JP6924601B2 - Sheet material supply device and sheet material supply method - Google Patents

Description

The present invention relates to a sheet material supply device and a sheet material supply method.

For example, in Patent Document 1, the decorative sheet taken out from the accommodating device is conveyed to the relay stand, and the decorative sheet placed on the relay stand is sucked by the suction holes formed in the relay stand. A cosmetic sheet supply device for manufacturing a game machine, which sucks with a suction pad, peels off the decorative sheet from the relay stand, and supplies the decorative sheet to the game board on the sheet sticking line, is disclosed.

In such Patent Document 1, even if two decorative sheets are taken from the accommodating device, the two decorative sheets are separated on the relay stand and only one decorative sheet is adsorbed by the relay suction transport mechanism. It can be sucked with a pad and supplied to the next process.

Japanese Unexamined Patent Publication No. 2003-24537

However, in Patent Document 1, when three or more decorative sheets are stacked from the accommodating device, only the lowermost decorative sheet in contact with the relay stand is sucked and separated on the relay stand, and other than that. There is a risk that a plurality of decorative sheets will be supplied to the next process.

Further, in Patent Document 1, it is necessary to separately prepare a relay stand or the like in order to separate the two decorative sheets taken from the accommodating device.

That is, in the technique disclosed in Patent Document 1, there is room for further improvement from the viewpoint of taking out the sheet materials one by one from the case in which a large number of sheet materials are stacked.

The sheet material supply device of the present invention protrudes from the inner peripheral surface of the take-out port of the case and is provided on the entire circumference of the take-out port so that the entire outer peripheral edge of the sheet material taken out from the take-out port can be slidable. A protruding wall that comes into contact and gives the sheet material a deformation that becomes convex toward the outside of the case, and the air inside the case is sucked to negatively affect the inside of the case when the sheet material passes through the take-out port. It is characterized by having a suction drawing device you to pressure, the.

According to the present invention, the sheet material is deformed so as to have a convex shape toward the outside of the case so that a gap is formed between the stacked sheet materials, and the sheet material is subjected to a negative pressure inside the case. An inward downward force can be applied.

Therefore, in the sheet material supply device of the present invention, the stacked sheet materials can be easily separated, and the stacking of the sheet materials such as double-layering can be reliably suppressed.

An explanatory view schematically showing a specific embodiment of the first embodiment of the sheet material supply device according to the present invention. An explanatory view corresponding to a plan view of the sheet material supply device in FIG. 1 as viewed from the direction indicated by arrow A. Explanatory drawing schematically showing the relative positional relationship between a sheet material and a guide member. The process explanatory drawing which showed the movement of the sheet material supply apparatus of 1st Example side by side in chronological order. The explanatory view which schematically showed the specific form of the 2nd Example of the sheet material supply apparatus which concerns on this invention. The explanatory view which shows typically the protruding wall in the sheet material supply apparatus of 2nd Example. FIG. 7 is an explanatory diagram schematically showing an air blow hole and an air supply path to the air blow hole in the second embodiment.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an explanatory view schematically showing a specific embodiment for carrying out the sheet material supply device and the sheet material supply method according to the present invention, and shows the sheet material supply device 1 of the first embodiment. ing.

The sheet material 2 supplied by the sheet material supply device 1 is, for example, a rectangular plate-shaped member made of a resin material such as polypropylene and having a thickness of about 1 mm.

This sheet material 2 is used, for example, in a module of a lithium ion secondary battery for an automobile. The sheet material 2 is made of metal in order to avoid direct contact between the cell and the metal case, for example, when a plurality of cells having a thin laminated structure are housed in a metal case and modularized. It is sandwiched between the case and the case. At this time, an adhesive is applied to both the front and back surfaces of the sheet material 2. That is, in order to apply the adhesive to both the front and back surfaces of the sheet material 2 in advance, it is necessary to take out the sheet material 2 one by one and apply the adhesive.

The sheet material supply device 1 takes out the sheet materials 2 one by one and supplies them to, for example, a step of applying an adhesive to both the front and back surfaces. The step of applying the adhesive to both the front and back surfaces of the sheet material 2 is carried out prior to the step of accommodating a plurality of cells in a metal case and modularizing them.

The sheet material supply device 1 has a box-shaped (square-shaped) case 3, a transport mechanism 5 for taking out the sheet material 2 in the case 3 from the take-out port 4 of the case 3, and a protrusion from the inner peripheral surface of the take-out port 4 of the case 3. An air nozzle 8 capable of supplying air between a protruding wall 6 to be formed, a vacuum pump 7 as a suction device for sucking air in a case 3, and a plurality of sheet materials 2 stacked by a transport mechanism 5. It is roughly composed of a pump 9 that supplies air to the air nozzle 8 and a guide member 10 that can guide the sheet material 2 to a predetermined position in the case 3. Reference numeral 11 in FIG. 1 is an ionizer for removing static electricity arranged on the outside of the case 3. The ionizer 11 can suppress static electricity generated in the sheet material 2 in the case 3, and can reduce the force of bringing the sheet materials 2 into close contact with each other.

The case 3 has a box shape (rectangular parallelepiped shape), and one of the six surrounding surfaces is open as an outlet 4 for the sheet material 2. In other words, the case 3 has a bottomed square tube shape, and the upper opening constitutes the take-out port 4 of the sheet material 2.

A large number of sheet materials 2 housed in the case 3 are stacked on an elevating table 12 arranged in the case 3, for example, with four corners aligned. That is, a plurality of sheet materials 2 are housed in the case 3 in a stacked state.

The lift 12 can be adjusted so that the top sheet material 2 among the sheet materials 2 laminated by a drive source such as a motor (not shown) has a constant height position. For example, a sensor (for example, a non-contact type presence sensor) is arranged at a predetermined height position in the case 3. Then, when the sheet material 2 is no longer detected by this sensor, the elevating table 12 is raised until the sheet material 2 can be detected by the sensor. By repeating this, the top sheet material 2 of the sheet material 2 laminated on the elevating table 12 is adjusted to a constant height position in the case 3.

The transport mechanism 5 has a plurality of vacuum pads (vacuum cups) 13 capable of sucking the sheet material 2, and a robot hand 14 to which the plurality of vacuum pads 13 are attached to the tips thereof.

The transport mechanism 5 can control the movement of the robot hand 14 by using, for example, a motor (not shown) as a drive source, and can move the vacuum pad 13 in the vertical direction and the horizontal direction. That is, the robot hand 14 of the transport mechanism 5 can lower the tip portion thereof until the vacuum pad 13 comes into contact with the top sheet material 2 of the sheet material 2 stacked in the case 3. Then, the robot hand 14 of the transport mechanism 5 can raise the tip portion thereof in order to take out the sheet material 2 adsorbed by the vacuum pad 13 from the case.

The transport mechanism 5 can take out the sheet materials 2 in the case 3 one by one from the top to the outside of the case 3 from the take-out port 4 and supply them to a predetermined position.

The vertical direction in FIG. 1 is a vertical direction, and the horizontal direction in FIG. 1 is a horizontal direction orthogonal to the vertical direction.

The vacuum pad 13 has a suction force so that the sheet material 2 sucked by the negative pressure generated in the case 3 when the entire outer peripheral edge of the sheet material 2 is in contact with the protruding wall 6 is not separated. It has been adjusted.

The protruding wall 6 is made of an elastic material such as silicon rubber, and is provided on the entire inner peripheral surface of the take-out port 4 as shown in FIG. FIG. 2 is an explanatory view schematically showing the sheet material supply device 1, and is an explanatory view corresponding to a plan view of the sheet material supply device 1 in FIG. 1 as viewed from the direction indicated by the arrow A.

The amount of protrusion from the inner peripheral surface of the take-out port 4 is set so that the protruding wall 6 can come into contact with the entire outer peripheral edge of the sheet material 2 when the sheet material 2 is taken out from the case 3. Further, the protruding wall 6 has a wedge-shaped cross section, and is formed so as to project upward toward the inner peripheral side of the take-out port 4.

The protruding wall 6 is formed so that the entire outer peripheral edge of the sheet material 2 taken out from the take-out port 4 is slidably contacted, and the sheet material 2 is deformed so as to be convex toward the outside of the case 3. There is. In other words, the protruding wall 6 is formed so that the entire outer peripheral edge of the sheet material 2 taken out from the take-out port 4 is slidably contacted to give the sheet material 2 a deformation that becomes convex upward. There is.

The protruding wall 6 is set so that, for example, the opening area on the inner peripheral side of the maximum protruding position from the inner peripheral surface of the take-out port 4 is the minimum area through which the sheet material 2 can pass.

The vacuum pump 7 is connected to the case 3 via a regulator 15 and an electric vacuum valve 16. The vacuum pump 7 sucks the air in the case 3 from one place in the case 3. The negative pressure in the case 3 can be adjusted by the regulator 15. Further, when the vacuum valve 16 is opened, the air in the case 3 can be sucked by the vacuum pump 7. The vacuum pump 7 is turned on / off in synchronization with the opening / closing of the vacuum valve 16, for example. That is, for example, the vacuum pump 7 starts operating when the vacuum valve 16 opens, and stops operating when the vacuum valve 16 closes.

The suction of air in the case 3 by the vacuum pump 7 is started by opening the vacuum valve 16 at the timing when the transfer mechanism 5 starts lifting the sheet material 2 sucked by the vacuum pad 13, for example.

Further, the suction of air in the case 3 by the vacuum pump 7 ends, for example, by closing the vacuum valve 16 at the timing when the transfer mechanism 5 finishes the operation of lifting the sheet material 2 sucked by the vacuum pad 13.

The means for sucking the air in the case 3 is not limited to the vacuum pump 7. That is, the air in the case 3 may be sucked by using a suction device different from the vacuum pump 7.

As shown in FIGS. 1 and 2, a plurality of air nozzles 8 (six in this embodiment) are arranged at positions above the protruding wall 6 and on the outer peripheral side of the take-out port 4 of the case 3. There is. When a plurality of sheet materials 2 are stacked by the transport mechanism 5, the air nozzle 8 provides air between the sheet materials 2 that have passed through the protruding wall 6 (matching surface) when the sheet material 2 is taken out from the case 3. It is possible to supply (air blow).

The pump 9 can simultaneously supply air to each air nozzle 8 via the air pipe 17. Further, in the first embodiment, one pump 9 supplies air to each air nozzle 8 at the same time.

The air blow from the air nozzle 8 is performed, for example, in synchronization with the suction of air in the case 3 by the vacuum pump 7. That is, for example, when the vacuum pump 7 starts sucking the air in the case 3, the air blow from the air nozzle 8 starts, and when the vacuum pump 7 finishes sucking the air in the case 3, the air blow from the air nozzle 8 ends. do. The air blow from the air nozzle 8 may be intermittent or continuous.

The guide member 10 is, for example, a round bar-shaped (circular cross-section) member made of a metal material such as stainless steel, and as shown in FIGS. 1 and 3, a large number of sheet materials 2 stacked on the elevating table 12 A plurality (8 in this embodiment) are arranged so as to surround the periphery. More specifically, two guide members 10 are arranged on the outer peripheral side of each side of the sheet material 2.

Here, FIG. 3 is an explanatory view schematically showing the relative positional relationship between the sheet material 2 and the guide member 10, and when the sheet material supply device 1 in FIG. 1 is viewed from the direction indicated by arrow A. It is explanatory drawing which showed the positional relationship between the sheet material 2 and the guide member 10 in the case 3. FIG.

The guide member 10 can guide the sheet material 2 that falls into the case 3 from the vicinity of the take-out port 4 of the case 3 to the uppermost portion of a large number of sheet materials 2 on the elevating table 12. In other words, the guide member 10 can be aligned when the sheet material 2 peeled off from the sheet material 2 stacked on the transport mechanism 5 returns to the inside of the case 3. That is, the guide member 10 can guide the sheet material 2 returning to the inside of the case 3 so as to overlap the uppermost sheet material 2 on a large number of sheet materials 2 stacked in the case 3 at a predetermined position. ..

Further, the guide member 10 is formed so that the tip portion 10a on the side of the take-out port 4 of the case 3 is curved outward.

The guide member 10 is a sheet material stacked on the elevating table 12 so as not to interfere with the supply of the sheet material 2 into the case 3, the elevating and lowering of the elevating table 12, the operation of the robot hand 14 of the transport mechanism 5, and the like. It is located on the outer peripheral side of No. 2, and is arranged so as to be orthogonal to the sheet material 2 stacked on the elevating table 12 except for the tip portion 10a.

Each guide member 10 is arranged so that the base end side thereof has a gap between the guide member 10 and the periphery of the sheet material 2. Therefore, although the sheet material 2 that falls from the vicinity of the take-out port 4 of the case 3 is guided by the guide member 10, it is suppressed from being caught by the guide member 10.

FIG. 4 is a process explanatory view showing the movements of the sheet material supply device 1 of the first embodiment arranged in chronological order.

The sheet material 2 has a smooth surface, is stacked flat in the case 3, and is in contact with the upper and lower sheet materials 2. Therefore, a force is exerted between the sheet materials 2 stacked in the case 3 to bring them into close contact with each other due to atmospheric pressure, static electricity, or the like. That is, when the sheet material 2 is taken out from the case 3 by the transport mechanism 5, a plurality of sheet materials 2 may be stacked.

FIG. 4A shows a state in which the two sheet materials 2a and 2b are overlapped when the robot hand 14 of the transport mechanism 5 is pulled up. At this time, the suction of air in the case 3 by the vacuum pump 7 has already started. At this point, since air flows into the case 3 from the outlet 4, the case 3 does not have a negative pressure.

FIG. 4B shows a state in which the two sheet materials 2a and 2b are overlapped with each other, and the entire outer peripheral edge of the sheet material 2a adsorbed on the vacuum pad 13 is in contact with the protruding wall 6. ing. The sheet materials 2a and 2b are deformed by the protruding wall 6 so as to be convex toward the outside of the case 3 (upper side in FIG. 1). Therefore, a gap is likely to occur between the two stacked sheet materials 2a and 2b due to the deformation provided by the protruding wall 6. Further, when the entire circumference of the outer peripheral edge of the sheet material 2a adsorbed on the vacuum pad 13 comes into contact with the protruding wall 6, the degree of sealing of the case 3 is increased, and the inside of the case 3 becomes a negative pressure.

The suction force of the vacuum pad 13 is generated in the case 3 when the force due to the atmospheric pressure acting on the sheet material 2a adsorbed by the vacuum pad 13 or when the entire outer peripheral edge of the sheet material 2 is in contact with the protruding wall 6. It is larger than the force due to the negative pressure. Therefore, the sheet material 2a does not come off from the suction of the vacuum pad 13.

In FIG. 4C, the robot hand 14 is further pulled up, and the outer peripheral edge of the lower sheet material 2b of the two overlapping sheet materials 2a and 2b extends over the entire circumference to the protruding wall 6. It shows a state in which the boundary between the two sheet materials 2a and 2b that are in contact with each other and are overlapped over the protruding wall 6.

At this time, atmospheric pressure acts on the boundary between the two stacked sheet materials 2a and 2b. That is, of the two stacked sheet materials 2a and 2b, the lower sheet material 2b is peeled off from the upper sheet material 2a by a downward force toward the inside of the case 3 due to the negative pressure in the case 3. The force to try works. The downward force due to this negative pressure is larger than the adhesion force due to the atmospheric pressure of the two stacked sheet materials 2a and 2b. Therefore, a gap is generated between the two stacked sheet materials 2a and 2b. Then, the two stacked sheet materials 2a and 2b are separated.

Further, an air blow is performed by the air nozzle 8 in order to allow air to enter between the two stacked sheet materials 2a and 2b.

FIG. 4D shows a state in which a gap is formed between the two stacked sheet materials 2a and 2b.

If there is any gap between the two stacked sheet materials 2a and 2b, air will flow in from the surroundings, and the adhesion between the two stacked sheet materials 2a and 2b will be eliminated. (Loss of adhesion).

The air blow by the air nozzle 8 promotes the inflow of air between the two stacked sheet materials 2a and 2b.

FIG. 4 (e) shows a state in which the two stacked sheet materials 2a and 2b are separated from each other. Of the two stacked sheet materials 2a and 2b, the lower sheet material 2b on which the vacuum pad 13 is not adsorbed is affected by negative pressure, gravity, etc., and is guided by the guide member 10 while being guided by the case. It falls into 3.

The sheet material 2 stacked by the vacuum pad 13 is simply deformed to be convex toward the outside of the case 3 (upper side in FIG. 1) by the protruding wall 6, and the sheet material 2 is stacked. There may be no gap between them. Further, it is difficult to create a gap between the sheet materials 2 stacked by the vacuum pad 13 only by supplying air between the sheet materials 2 stacked by the vacuum pad 13 by the air nozzle 8.

Therefore, in the sheet material supply device 1 and the sheet material supply method of the first embodiment described above, when the sheet material 2 taken out from the case 3 by the transport mechanism 5 passes through the take-out port 4, the sheet material 2 is subjected to the case 3 A deformation that becomes convex toward the outside (upper side in FIG. 1) is applied to the outside of the case 3, and the inside of the case 3 is negatively pressed.

By creating a negative pressure inside the case 3, a force is generated between the sheet material 2 to which the vacuum pad 13 is adsorbed and the sheet material 2 which is in close contact with the sheet material 2 to which the vacuum pad 13 is adsorbed. Can be done. For example, when two sheet materials 2 are stacked, the pressure inside the case 3 is set to negative pressure, so that the lower sheet material 2b of the two sheet materials 2a and 2b has a negative pressure inside the case 3. As a result, it is possible to apply a downward force toward the inside of the case 3, that is, a force to peel off from the upper sheet material 2.

That is, the sheet material supply device 1 imparts the sheet material 2 to a deformation that is convex toward the outside of the case 3 so that a gap is formed between the overlapped sheet materials 2, and the sheet material 2 is deformed. The negative pressure inside the case 3 exerts a downward force toward the inside of the case 3.

As a result, the sheet material supply device 1 can surely form a gap between the stacked sheet materials 2. That is, in the sheet material supply device 1, the stacked sheet materials 2 can be easily separated, and the stacking of the sheet materials 2 such as two sheets can be reliably suppressed.

The air nozzle 8 can send air to the mating surfaces of the stacked sheet materials 2. Therefore, the sheet materials 2 are generated by imparting a deformation that is convex toward the outside of the case 3 (upper side in FIG. 1) to the sheet material 2, or by generating a negative pressure in the case 3. It is possible to promote the inflow of air into the gap between the mating surfaces. That is, the separation of the stacked sheet materials 2 can be further promoted.

Further, the guide member 10 can guide the sheet material 2 separated from the stacked sheet material 2 onto a large number of sheet materials 2 stacked in the case 3. That is, the sheet material 2 that has been overlapped but separated and returned to the case 3 is returned to a predetermined position without causing misalignment or the like, so that the desired position is adsorbed on the vacuum pad 13. Therefore, it is possible to prevent the sheet material 2 that has been overlapped and returned into the case 3 from interfering with the case 3 and the equipment outside the case 3 when the sheet material 2 is taken out from the case 3 by the transport mechanism 5. be able to.

Since the protruding wall 6 is made of an elastic material, the sheet material 2 is less likely to be damaged when the sheet material 2 comes into contact with the sheet material 2.

Next, a second embodiment of the present invention will be described. The same components as those in the first embodiment described above are designated by the same reference numerals, and duplicate description will be omitted as appropriate.

FIG. 5 is an explanatory view schematically showing a specific embodiment for carrying out the sheet material supply device 21 and the sheet material supply method according to the present invention, and shows the sheet material supply device 21 of the second embodiment. Shown.

In the case where the protruding wall 6 has one step as in the sheet material supply device 1 of the first embodiment, if the posture of the sheet material 2 when passing through the take-out port 4 is tilted, the entire circumference of the sheet material 2 is covered. It may not be possible to contact the protruding wall 6 at the same time.

Therefore, the sheet material supply device 21 of the second embodiment has substantially the same configuration as the sheet material supply device 1 of the first embodiment described above, but the protruding wall 22 moves up and down on the inner peripheral surface of the take-out port 4. It is formed by arranging four steps in the direction.

The vertical direction in FIG. 5 is a vertical direction, and the horizontal direction in FIG. 5 is a horizontal direction orthogonal to the vertical direction.

In the sheet material supply device 21 of the second embodiment, instead of the air nozzle 8 of the first embodiment, air blow can be performed between the projecting wall 22 and the projecting wall 22 and above the uppermost projecting wall 22. A plurality of air blow holes 23 as air nozzles are provided. In other words, protruding walls 22 and air blow holes 23 are alternately provided on the inner peripheral surface of the take-out port 4 along the vertical direction.

In the sheet material supply device 21 of the second embodiment, as shown in FIGS. 5 and 6, four-stage protruding walls 22 having the same shape and the same dimensions are formed in the take-out port 4 of the case 3. ..

FIG. 6 is an explanatory view schematically showing a four-stage protruding wall 22 in the sheet material supply device 21 of the second embodiment.

The protruding wall 22 is made of an elastic material such as silicon rubber, and is provided on the entire inner peripheral surface of the take-out port 4.

The amount of protrusion from the inner peripheral surface of the take-out port 4 is set so that the protruding wall 22 can come into contact with the entire outer peripheral edge of the sheet material 2 when the sheet material 2 is taken out from the case 3. Further, the protruding wall 22 has a wedge-shaped cross section, and is formed so as to project downward toward the inner peripheral side of the take-out port 4.

The protruding wall 22 is formed so that the entire outer peripheral edge of the sheet material 2 taken out from the take-out port 4 is slidably contacted, and the sheet material 2 is deformed so as to be convex toward the outside of the case 3. There is. In other words, the protruding wall 22 is formed so that the entire outer peripheral edge of the sheet material 2 taken out from the take-out port 4 is slidably contacted to give the sheet material 2 a deformation that becomes convex upward. There is.

The protruding wall 22 is set so that, for example, the opening area on the inner peripheral side of the maximum protruding position from the inner peripheral surface of the take-out port 4 is the minimum area through which the sheet material 2 can pass.

Further, the number of steps of the protruding wall 22 formed on the inner peripheral surface of the take-out port 4 is not limited to four, and the number of steps of the protruding wall 22 may be a plurality of steps other than four.

A plurality of air blow holes 23 are provided on the upper side of each protruding wall 22. A plurality of air blow holes 23 formed between the projecting wall 22 and the projecting wall 22 are provided over the entire circumference at predetermined intervals, for example, along the circumferential direction of the inner peripheral surface of the take-out port 4. A plurality of air blow holes 23 provided on the upper side of the uppermost protruding wall 22 are provided over the entire circumference at predetermined intervals, for example, along the circumferential direction of the inner peripheral surface of the take-out port 4.

When a plurality of sheet materials 2 are stacked by the transport mechanism 5, the air blow holes 23 are provided between the sheet materials 2 that have passed through the protruding wall 22 (matching surfaces) when the sheet materials 2 are taken out from the case 3. It is possible to supply air (air blow).

Therefore, the sheet materials 2 are generated by imparting a deformation that is convex toward the outside of the case 3 (upper side in FIG. 5) to the sheet material 2, or by generating a negative pressure in the case 3. It is possible to promote the inflow of air into the gap between the mating surfaces. That is, as in the first embodiment described above, the separation of the stacked sheet materials 2 can be further promoted.

As shown in FIGS. 5 and 7, air can be simultaneously supplied to each air blow hole 23 from one pump 24. Here, FIG. 7 is an explanatory diagram schematically showing the air blow hole 23 and the air supply path to the air blow hole 23 in the second embodiment.

As shown in FIG. 7, each air blow hole 23 communicates with the common air supply path 25 on the upstream side. The air supply path 25 is located so as to surround the outer circumference of the take-out port 4. Specifically, the air supply path 25 is formed, for example, in the side wall of the case 3 forming the inner peripheral surface of the take-out port 4. Air is supplied to the air supply path 25 from one pump 24.

The air blow from the air blow hole 23 is performed, for example, in synchronization with the suction of air in the case 3 by the vacuum pump 7. That is, for example, when the suction of air in the case 3 by the vacuum pump 7 is started, the air blow from the air blow hole 23 is started, and when the suction of the air in the case 3 by the vacuum pump 7 is completed, the air blow from the air blow hole 23 is started. To finish. The air blow from the air blow hole 23 may be intermittent or continuous.

The suction of air in the case 3 by the vacuum pump 7 is the same as in the first embodiment described above. For example, the vacuum valve 16 is opened at the timing when the transport mechanism 5 starts lifting the sheet material 2 adsorbed by the vacuum pad 13. And start.

Further, the suction of air in the case 3 by the vacuum pump 7 is the same as in the first embodiment described above. For example, the vacuum is created at the timing when the transfer mechanism 5 finishes the operation of lifting the sheet material 2 adsorbed by the vacuum pad 13. The valve 16 is closed to end the process.

The sheet material supply device 21 and the sheet material supply method of the second embodiment also have substantially the same effects as those of the first embodiment described above.

Further, in the second embodiment, since the protruding walls 22 are formed in a plurality of stages along the vertical direction, the sheet material 2 can be taken out even when the posture of the sheet material 2 is not horizontal (tilted). When passing through 4, it is possible to generate a state in which the entire circumference of the sheet material 2 comes into contact with any of the protruding walls 22 at the same time.

Therefore, in the second embodiment, when the sheet material 2 passes through the take-out port 4, the inside of the case 3 can be more reliably set to a negative pressure, and the sheet material 2 such as two sheets can be stacked. Can be suppressed more reliably.

In each of the above-described embodiments, the number of guide members 10 arranged on the outer peripheral side of each side of the sheet material 2 is not limited to two, and may be one or three or more. Is. Further, in each of the above-described embodiments, the guide member 10 can be omitted.

Further, in each of the above-described embodiments, ionized air may be injected from the air nozzle 8 or the air blow hole 23.

The timing of performing the air blow in each of the above-described embodiments may be, for example, the timing at which the sheet material 2 taken out from the case 3 by the transport mechanism 5 passes through the take-out port 4 of the case 3. Furthermore, the timing of performing the air blow in each of the above-described embodiments may be, for example, the timing at which the sheet material 2 adsorbed by the vacuum pad 13 gets over the protruding wall 6 or the protruding wall 22.

If the timing at which the tip portion of the robot hand 14 starts to rise from the inside of the case 3 and the rising speed of the robot hand 14 are known, the position of the sheet material 2 adsorbed on the vacuum pad 13 in the case 3 and the like can be estimated. Further, by detecting the position of the tip portion of the robot hand 14 or the vacuum pad 13 with a sensor or the like, it is possible to predict the timing at which the sheet material 2 passes through the take-out port 4.

1 ... Sheet material supply device 2 ... Sheet material 3 ... Case 4 ... Extraction port 5 ... Conveyance mechanism 6 ... Protruding wall 7 ... Vacuum pump 8 ... Air nozzle 9 ... Pump 10 ... Guide member 11 ... Ionizer

Claims (9)

A case for accommodating the above-mentioned multiple sheets in a state where a plurality of sheets are stacked, and a case for accommodating the above-mentioned multiple sheets.
A transport mechanism that takes out the sheet materials one by one from the top one by one from the outlet of the case to the outside of the case.
Along with protruding from the inner peripheral surface of the take-out port, the entire outer peripheral edge of the sheet material taken out from the take-out port is slidably contacted with the sheet material provided on the entire circumference of the take-out port, and the outside of the case is brought into contact with the sheet material. A protruding wall that gives a convex deformation toward
It has a suction device that sucks the air in the case and makes the inside of the case negative pressure when the sheet material passes through the take-out port.
The sheet material is a sheet material supply device made of a resin material and having a thickness of 1 mm or less. A case for accommodating the above-mentioned multiple sheets in a state where a plurality of sheets are stacked, and a case for accommodating the above-mentioned multiple sheets.
A transport mechanism that adsorbs to the top sheet material in the case and takes out the sheet material from the top in order from the outlet of the case to the outside of the case.
Along with protruding from the inner peripheral surface of the take-out port, the entire outer peripheral edge of the sheet material taken out from the take-out port is slidably contacted with the sheet material provided on the entire circumference of the take-out port, and the outside of the case is brought into contact with the sheet material. A protruding wall that gives a convex deformation toward
It has a suction device that sucks the air in the case and makes the inside of the case negative pressure when the sheet material passes through the take-out port.
The sheet material supply device is characterized in that when the protruding wall comes into contact with the sheet material, the sheet material is deformed so as to be convex toward the outside of the case, and the sheet material is taken out one by one from the take-out port. The sheet material supply device according to claim 1 or 2, wherein the protruding walls are formed in a plurality of stages side by side at the take-out port. An air nozzle that can supply air between the sheet materials that pass through the outlet, and
The sheet material supply device according to any one of claims 1 to 3, further comprising a pump for supplying air to the air nozzle. An air nozzle located between the protruding walls and capable of supplying air between the sheet materials,
The sheet material supply device according to claim 3, further comprising a pump for supplying air to the air nozzle. The sheet material supply device according to any one of claims 1 to 5, wherein the protruding wall is made of an elastic material. The sheet material supply device according to any one of claims 1 to 6, wherein a guide member capable of guiding the sheet material to a predetermined position in the case is arranged in the case. A sheet material supply method in which the sheet materials are taken out one by one from the case in which the plurality of sheet materials are stacked in a stacked state from the top to the outside of the case. There,
The sheet material is made of a resin material and has a thickness of 1 mm or less.
With projecting from the inner circumferential surface of the upper Symbol outlet, to come in contact with the outer peripheral edge entire periphery of the sheet material to be taken out from the outlet port to the protruding wall provided in the entire periphery of the outlet, the sheet material of the case A method for supplying a sheet material, which comprises imparting a deformation that becomes convex toward the outside, sucking air in the case, and creating a negative pressure inside the case when the sheet material passes through the take-out port. .. In a state where a plurality of sheet materials are stacked, the top sheet material in the case accommodating the plurality of sheet materials is adsorbed, and the sheet materials are sequentially arranged one by one from the outlet of the case. It is a method of supplying a sheet material to be taken out of the above case.
When the sheet material comes into contact with the protruding walls provided on the entire circumference of the take-out port, the sheet material is deformed so as to be convex toward the outside of the case.
The protruding wall projects from the inner peripheral surface of the outlet.
The entire outer peripheral edge of the sheet material taken out from the take-out port is brought into contact with the protruding wall to give the sheet material a deformation that becomes convex toward the outside of the case, and the air inside the case is sucked to suck the sheet. A method for supplying a sheet material, which comprises creating a negative pressure inside the case when the material passes through the take-out port.

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