JPH0641083B2 - Plate processing equipment - Google Patents

Description

TECHNICAL FIELD The present invention relates to a plate material processing apparatus, for example, for polishing and finishing the four sides of a plate glass with a grinder.

[Conventional technology]

2. Description of the Related Art Conventionally, a plate material processing apparatus such as a plate glass is generally configured such that the plate material is manually carried into a table of the processing apparatus.

There is also a device in which the plate member is supported by a vertically rotatable support frame, and the plate member is lifted together with the support frame to make the plate member horizontal and then sent to the table of the processing device.

[Problems to be Solved by the Invention]

In the above-mentioned conventional method, the method of manually loading the plate material requires an operator having a strong arm strength to handle a considerably heavy plate glass, and is also dangerous.

Further, the method of using a rotatable support frame is considerably easy to handle and increases safety, but it is not perfect because it requires human power.

An object of the present invention is to solve the above problems and to provide an apparatus capable of fully automatically moving a plate material to a processing portion for processing.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention provides a carrier which can move up and down at each end of left and right arms provided on a carrier frame which moves in the left-right direction, and holds a plate material at a standby position by the carrier. The loading / unloading means for carrying out the work to the front position and the carry-out position of the processing section, the function of supporting the plate material at the front position of the processing section and moving it to the processing position, and the machined plate material at the processing position. A swivel with supporting tools provided at both upper ends for supporting and returning to the front position of the processing unit, and a tool for moving the plate on the processing unit in the left-right direction and the front-back direction to perform arbitrary processing on the plate material at the processing position. An apparatus for processing a plate material including a tool base having a tool and a tool provided on the tool base is a grinder that rotates around a vertical axis to polish the peripheral edge of the plate material, and a rotatable grinder cover that surrounds the outer periphery of the grinder. In the A cutout portion is provided to expose a part of the outer periphery of the inder, the cutout portion of the grinder cover is always directed toward the peripheral edge of the plate material, and the grinder cover exposed at the cutout portion is always in contact with the peripheral edge of the plate material. A device provided with a drive device for driving

[Action]

Since the present invention has the above-mentioned configuration, the plate material at the standby position is held by the transport tool of the loading / unloading means and moved to the front position of the processing section. Since there is a swivel support in this position,
The plate material that has moved as described above rests on this support.

Then, when the swivel base swivels 180 ° and stops, the plate material processed in the previous step becomes the front position of the processing portion, and the new plate material becomes the processing position.

Next, the tool base is moved left and right and front and back, and the four sides of the plate material or a desired portion is processed by a tool such as a grinder.

During the above-described processing operation, the carry-in / carry-out means operates so that the processed plate material is at the carry-out position, and the next plate material is carried in at the front position of the processing section.

When the above-mentioned machining process is completed and the tool rest returns to the initial position, the swivel base swivels 180 ° to set the machined plate material to the front position and the new plate material to the machining position, and the same state as the previous time is obtained.

By repeating the above, new plate materials are successively fed into the processing section, and the processed plate material is delivered to the carry-out position.

In addition, the grinder cover that covers the outer periphery of the grinder changes its direction when polishing the four sides of the plate material in response to changes in the processing position, and the cutout is always directed toward the processing side, so that the grinder can be used as the processing part of the plate material. Making contact.

〔Example〕

In the embodiment shown in the drawings, 1 is a table provided on a frame 2, and a guide rail 3 in the left-right direction is provided above the front portion of the table 1.

As shown in FIG. 3, the guide rails 3 are a pair of upper and lower parallel rails, which are fixed to a support frame 4 in the left-right direction. Both ends of the support frame 4 are fixed on a stand 5 fixed to both ends of the frame 2.

Reference numeral 8 is a carriage that moves left and right along the guide rail 3, and the carriage 8 is driven by a chain 9.

The chain 9 is the left and right sprockets 1 provided on the support frame 4.
By engaging the folded-back portions at both ends with 0, a part of the chain 9 is fixed to the carriage 8, and one sprocket 10 is rotated in the forward and reverse directions by the drive device 11 including the motor and the speed reducer as shown in FIG. As a result, the carriage 8 is driven.

A pair of upper and lower guide rails 12 in the left-right direction are provided on the side surface of the carriage 8, and a transport frame 14 that moves left and right along the rails 12 is provided. The transport frame 14 is configured to move within a slight range with respect to the carriage 8 via the position adjuster 13 shown in FIG.

Arms 15 extending to the left and right are fixed to both sides of the carrier frame 14, and vertical cylinders 16 are fixed to the support plates 17 at the ends of the arms 15 as shown in FIG.

Piston rod 1 protruding from the lower end of the cylinder 16
The lower surface of the plate 19 fixed to the lower end of the
To provide.

The transport tool 20 may be of a vacuum suction type or a magnetic attraction type, but the one suitable for the material of the plate material to be transported is used.

As shown in FIG. 6, a pair of left and right guide rods 21 are erected on the plate 19, and the guide rods 21 are inserted into the pair of left and right guide cylinders 22 provided on the support plate 17 so that the carrier 20 does not tilt. I have to.

Further, stoppers 24 provided on both sides of the carrying frame 14 are fixed near both ends of the support frame 4, respectively.
The position of 4 is adjustable with screws, and the contact surface is made of rubber.

Reference numeral 25 is a swivel base provided on the central portion of the table 1.

The swivel base 25 is fixed to the upper end of a vertical shaft 26 rotatably mounted on a bearing provided in the center of the table 1.

Reference numeral 27 in FIG. 3 denotes a drive device for the shaft 26, which is composed of a motor and a speed reducer, and drives the shaft 26 by transmission means such as a belt.

A support member 28 made of a plate material is provided on each end of the swivel base 25.
The upper surface of the support 28 serves as a suction surface for the plate material, and suction is performed by vacuum or magnetic force.

As shown in FIG. 9, three supporting members 28 are provided on each end of the swivel base 25, and a positioning piece engaging portion 29 is formed in a V-groove shape outside the central supporting member 28.

Numeral 30 in FIGS. 1, 3, and 9 is a positioning piece which is attached to a guide cylinder 31 on the table 1 so as to be movable back and forth, and is moved forward and backward by an air cylinder 32.

Reference numerals 34 and 35 in FIGS. 1 and 9 denote proximity switches fixed on the table 1 for controlling the drive unit 27.

The proximity switches 34 and 35 detect the detection piece 36 at the end of the swivel base 25. The switch 34 is for deceleration and the switch 35 is for stop.

Reference numerals 37 in FIGS. 1, 2, and 7 denote front and rear guide rails fixed on supporting bases 38 at both ends of the table 1, and engaging grooves at lower ends of the moving base 39 are engaged with each other.

A rack gear 41 parallel to the guide rail 37 is fixed on the support base 38, and pinion gears 43 at both ends of a shaft 42 rotatably mounted on the rear side of the moving base 39 are attached to the rack gears 4.
The movable table 39 is moved in parallel by meshing with 1.

Reference numeral 45 in FIGS. 1, 7, and 8 denotes a ball screw shaft in the front-rear direction rotatably supported by an appropriate bearing on the outer side of the one support base 38.

The screw shaft 45 is screwed into a ball screw nut 46 attached to the lower end of the bracket 44 below one end of the moving table 39, and the driving device 47 such as a servomotor rotates the screw shaft 45 forward and backward to move the moving table 39 forward and backward. .

As shown in FIG. 4, guide rails 50 are provided in parallel on the upper part and the front part of the moving table 39, and the tool table 51 is slidably engaged with the guide rails 50.

Both ends of a ball screw shaft 52 are rotatably supported by bearings at both front ends of the moving base 39, and the ball screw shaft 52 is screwed into a ball screw nut 53 provided on the tool base 51.

Further, the ball screw shaft 52 is rotated in the forward and reverse directions by a driving device 54 such as a servo motor to move the tool base 51.

As shown in FIGS. 4 and 7, a bearing 55 is fixed to the front part of the tool base 51, and a vertical tool shaft 56 is rotatably supported by the bearing 55.

In the case of the embodiment, a grinder 57 is fixed to the lower end of the tool shaft 56 as a tool.

Reference numeral 60 denotes a grinder cover, which is made of rubber and covers the outer circumference of the grinder 57 except that a cutout 61 is provided in a part of the grinder cover to expose a part of the outer circumference of the grinder 57.
The lower part is open.

The grinder 5 is provided on the upper inside of the grinder cover 60.
The inner cover 62 covering the upper part of 7 is fixed.
The tubular portion 63 integrally provided on the upper portion of the second bearing 2 is rotatably attached to the lower portion of the bearing 55 via the bearing 64.

The gear 65 is fixed to the outer periphery of the upper portion of the tubular portion 63, and
Drive device 6 such as a servomotor with reduction gear fixed to 1
The pinion gear 67 driven by 6 meshes with the gear 65.

The gap 6 between the grinder cover 60 and the inner cover 62
9 is provided with a suction passage 68, and the suction passage 68 is communicated with a vacuum suction device by a flexible hose. The suction passage 68 faces the outer periphery of the grinder 57 between the center of the upper edge of the cutout 61 and the lower edge of the inner cover 62. The mouth 70 is provided as shown in FIG.

71 is a motor fixed to the tool base 51.
And the tool shaft 56 are linked by a transmission belt 72.

In the embodiment, the device of the present invention is applied to a device for polishing and finishing the four sides of the plate glass 73 by the grinder 57. The operation will be described below.

First, the first plate glass 73 is conveyed by a conveyor or the like and comes to the standby position a in FIG.

Then, the conveying tool 20 at the left end of the left arm 15 at the position shown in FIG. 1 descends to adsorb the plate glass 73 at the position a and rises to a predetermined height as shown in FIG. 14 moves to the right as shown by the arrow in FIG.
3 is moved to the front position b of the processing section B.

The plate glass 73 that has been moved to the position b as described above is the carrier 2
When it is lowered by 0, it is placed on the support 28 on the swivel base 25 standing by at the lower part thereof. Then, the transport tool 20 releases the adsorption of the plate glass 73 and rises while leaving the plate glass 73 on the support tool 28 as shown in FIG.

The support tool 28 that has received the plate glass 73 as described above holds the plate glass 73 by vacuum suction so that it does not move on the support tool 28, and then the drive device 27 is activated to rotate the shaft 26 to rotate it. Rotate the platform 25 180 °.

When the detection piece 36 at the end of the swivel base 25 operates the proximity switch 34 during the turning of the swivel base 25, the drive device 27 is decelerated, and when the detection piece 36 operates the proximity switch 35, the drive device 27 stops. .

Then, the air cylinder 32 operates and the positioning piece 30 engages with the engaging portion 29 of the swivel base 25 to fix the swivel base 25 at an accurate position, and the plate glass 73 is set to the first processing position c.

On the other hand, after the plate glass 73 is placed on the support tool 28 as described above, the transport frame 14 returns to the original position, and the next plate glass 73 is adsorbed by the transport tool 20.

As described above, when the plate glass 73 is fixed at the processing position c, the tool base 51 waiting at the position shown in FIG. 1 is driven by the driving device 54 to drive the ball screw shaft 52, as shown by the arrow B in FIG. Start running.

At this time, since the notch 61 of the grinder cover 60 faces rearward, the grinder 57 exposed from the notch 61 is rotated at a high speed by the motor 71, and the outer periphery of the grinder 57 polishes the front edge of the plate glass 73.

When the grinder 57 reaches the position of "c" by some detecting means, the driving device 54 stops and the driving device 66 of FIGS. 4 and 7 moves the cover 60 through the gears 67 and 65. The notch 61 is turned to the left by rotating 90 ° to the left, and then the driving device 47 rotates the ball screw shaft 45 to move the tool base 51 together with the moving base 39 toward the arrow D in FIG. Polish the right edge.

When the grinder 57 reaches the rear end of the right side edge of the plate glass 73, the drive device 47 stops, and the cover 60 rotates 90 ° counterclockwise to the front so that the cutout portion 61 faces forward, and then the drive device 54 moves the ball screw shaft 52. The grinder 57 is rotated in the reverse direction to move toward the arrow E to polish the rear edge of the plate glass 73.

When the grinder 57 reaches the left end of the rear edge of the plate glass 73, the drive device 54 stops, the cover 60 further rotates 90 ° to direct the cutout portion 61 to the right, and the drive device 47 rotates the ball screw shaft 45 in the reverse direction to cause the tool. Moving stand 39 together with stand 51
Is advanced in the direction of the arrow, and the left edge of the plate glass 73 is polished by the grinder 57.

When the grinder 57 returns to the initial position in this way, the drive device 47 stops, and then the cover 60 rotates 90 ° counterclockwise to the standby state.

When the polishing of the four sides of the plate glass 73 is completed by the above action and the tool base 51 stops at the standby position, the cylinder 32 operates to disengage the positioning piece 30 from the engaging portion 29 of the swivel base 25,
Then, when the driving device 27 is actuated and the swivel base 25 is swung by 180 °, the plate glass 73 that has undergone the polishing process becomes the position b in FIG. 1, and the plate glass 73 before processing becomes the processing position c.

At this time, the transport frame 14 is set to the position shown in FIG. 1, and the transport tool 20 at the ends of both arms 15 sucks the glass sheets 73 at the positions a and b, and then the transport frame 14 moves to the left,
The processed plate glass 73 is conveyed to the carry-out position d, the unprocessed plate glass 73 is moved onto the support tool 28, and then the conveyance frame 14 is returned to the initial position, and the processed plate glass 73 at the position d is conveyed to the conveyor ( (Not shown) and the like.

In the above polishing process, the driving devices 47 and 54 are driven in the X and Y directions by computer control to move the plate glass 73.
It is also possible to process the corners of the arc into an arc shape or any other desired shape.

Although the above embodiments describe processing of the four sides of the plate glass, they can be used for processing metal plates other than the plate glass, and can be used for arbitrary processing such as surface polishing in addition to polishing of the four sides.

〔The invention's effect〕

As described above, according to the present invention, the action of loading the unprocessed plate material to the front position of the processing section by providing the vertically movable transfer tools at the respective ends of the left and right arms provided in the transfer frame that moves in the left-right direction And, since it is possible to move the processed plate material at the same position to the carry-out position, when carrying in the plate material before processing,
It is possible to carry out the plate material after processing extremely efficiently.

Further, in the processing section, support tools are provided at both upper ends of the swivel frame, and the function of supporting the plate material carried in by the transport tool by the support tool and moving it to the processing position and the processed plate material in the front part of the processing section are provided. Since the returning action is carried out, the plate material before and after processing can be carried in and out very smoothly and efficiently without the use of manpower, in combination with the operation of the above-mentioned conveying tool.

Further, since the cover of the grinder attached to the tool base automatically rotates and the cutout portion is directed to the processing side, only the side of the outer periphery of the grinder that contacts the edge of the plate material is exposed. Therefore, the scattering of grinding dust generated by the processing is prevented, and even if the grinder is damaged, the fragments are prevented from scattering, which is extremely safe.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the device of the present invention, FIG. 2 is a partially cutaway vertical front view of the same as above, FIG. 3 is a partially cutaway vertical side view of the same, and FIG. FIG. 5 is a partially cutaway enlarged plan view of the loading / unloading means, FIG. 6 is a partially cutaway enlarged rear view of the same as above, and FIG. 8 is an enlarged front view in which a part is longitudinally cut, FIG. 8 is a left side view in which a part of the same is cut away, FIG. 9 is an enlarged plan view of a swivel base, and FIG. 10 is a plan view showing an action of a processing part. 14 ... Transport frame, 15 ... Arm, 20 ... Transport tool, 25 ... Revolving base, 28 ... Supporting tool, 39 ... Moving platform, 51 ... Tool platform, 57 ... Grinder, 73 ... Flat glass , A ... loading / unloading means, B ... machining part, a ... standby position, b ... front position of machining part, c ... machining position, d ... unloading position.

Claims (2)

[Claims] 1. A vertically movable carrier is provided at each end of left and right arms provided on a horizontally movable carrier frame.
Carrying-in / carrying-out means for holding the plate material at the standby position by the carrying tool and carrying it out to the front position and the carrying-out position of the processing section,
Supports for supporting the plate material in the front position of the processing part and moving it to the processing position and for supporting the plate material in the processing position and returning it to the front position of the processing part are provided at both upper ends. A plate material processing apparatus comprising a swivel base and a tool base having a tool that moves in the left-right direction and the front-back direction on a processing unit to perform arbitrary processing on a plate material at a processing position. 2. A tool provided on the tool base is a grinder that grinds a peripheral edge of a plate material by rotating about a vertical axis, and a rotatable grinder cover surrounding the outer circumference of the grinder has a part of the outer circumference of the grinder. A notch to expose
The drive device for driving the grinder cover is provided so that the cutout portion of the grinder cover is always directed toward the peripheral edge of the plate material and the outer periphery of the grinder exposed in the cutout portion is always in contact with the peripheral edge of the plate material. Plate material processing equipment.