JP4237770B2 - Assembly-type circulation transfer conveyor - Google Patents

Description

  The present invention relates to a chain rail unit provided with an endless chain conveyor for circulating and transporting a top plate, a counter table unit connected in the horizontal direction on the passenger seat side of the unit, and these chain rail unit and counter table unit The counter side of the food that you want to eat and drink from various foods and drinks that have been transported by the top plate, such as sushi, fruits, vegetable cooked foods and beverages, etc. The present invention relates to an assembly-type circulation transfer conveyor that can be taken out and eaten or used for processing work or the like.

In the conventional assembly-type circulation transfer conveyor, the chain conveyor unit is screwed with the inner part of the bottom wall to the upper surface side of the machine base unit, and the part of the bottom wall closer to the passenger seat side in the horizontal direction of the upper end of the column member. It is held on the upper surface of the arranged beam member. Further, the counter table disposed in the longitudinal direction below the chain conveyor unit is a horizontal J-shaped counter table support that is attached to the part of the lower decorative plate and the mounting frame superimposed on the outer surface of the column member. The upper surface of the counter table unit close to the support member is held in contact with the lower surface of the lower bent portion of the upper decorative plate attached to the lower portion of the chain conveyor unit. The chain conveyor unit and the counter table unit are connected to each other by connecting portions provided at both ends in the length direction, and are formed in an endless shape.
Japanese Patent Laid-Open No. 10-174644

  However, in the conventional assembly-type circulating transfer conveyor configuration, both the chain conveyor unit and the counter table unit holding method are complicated and require many parts. Will be required. Moreover, in the configuration in which the chain conveyor units and the connection portions of the counter table units are formed at both ends in the length direction, the configuration of the circulating transfer conveyor can be changed every time the orderer's request is different. Each time the pattern is changed, the components must be recreated in accordance with the change. Therefore, when changing or changing the pattern, there is an inconvenience that the labor and cost required for them are increased.

  The present invention has been made to eliminate these disadvantages, and not only the chain rail unit and the counter table unit but also their lengthwise connection can be easily performed, and a circulation loop can be formed by these combined bodies. In addition, it is possible to easily remove the formed circulation loop at the leg part attached to the assembly part of the four units, and design, change or redesign the circulation transfer conveyor according to the request of the orderer. The purpose of the present invention is to provide an assembly-type circulation transfer conveyor that can be efficiently performed with less labor and cost.

In order to achieve the above object, in the assembly-type circulating transfer conveyor according to the present invention, a chain rail unit having an upper support part of a chain conveyor connected by a top plate, and a counter table connected to the passenger seat side of the unit In the assembly-type circulation transfer conveyor comprising a unit, an electric motor that drives the chain conveyor, and a leg portion that holds an assembly of four units in which the units are connected in the length direction and the width direction, the chain rail The part unit has a dovetail joint portion consisting of a rectangular depression formed on the lower part of both end faces in the width direction and a locking protrusion protruding from the upper and lower ends of the depression to the upper side of the depression. is formed over the entire engaging side said dovetail coupling portion is formed inside the side surface of the counter table unit, its It is connected to the dovetail groove fitting part comprising a protruding portion protruding upper and lower ends, the length direction of the two units, by engaging contact plate which is inserted into coupling plate coupling portion formed on the bottom surface of each of lower A circulation loop is formed by the connection, and the assembly part of the four units connected in the length direction and the width direction is held by the leg part via a unit connection plate attached to the upper end of the leg part. is there.

  If you want to make it easier to install the guide rail of the top plate that transports food and drink, the curved part can be easily deformed and bent into a predetermined shape by forming the guide rail with a plastic integrally molded product. The light-weight guide rail can be easily attached to the rail installation location of the chain rail unit with double-sided tape.

  In order to facilitate the formation of the circulation loop in the circulation transfer conveyor, both units may be used by cutting an integrally molded product formed of aluminum or an alloy thereof. If it does in this way, various connection parts can be easily formed in the required part of each of these units at a low cost. In addition to the chain rail unit and counter table unit, which are the main components of the circulating transfer conveyor, not only can various connecting parts be formed easily in the entire length direction, but also cutting can be performed at the necessary parts. Since it can be performed easily, the formation of the circulation loop can be performed efficiently.

  If you want to make it easier to form the curved part in the circulation conveyor, the chain rail unit and the counter table unit are the same as the unitary molded product that is formed in a straight line with aluminum or its alloy that can be easily cut. What is necessary is just to cut | disconnect and connect to the isosceles trapezoid which has an angle. In this case, the shorter side of the cut isosceles trapezoid is arranged so that the shorter side is on the same side, and the direction of the adjacent unit is connected to the connecting plate coupling portion formed on the bottom side of each cutting unit piece. The curved portion can be formed naturally by simply inserting the engagement connecting plate having the same conversion angle as the conversion angle and connecting the required number.

If you want to form a circulation loop by connecting the chain rail unit and the counter table unit, or if you want to be able to easily disassemble the connection of the formed circulation loop into each component unit, it is attached to the upper end of the leg What is necessary is just to attach a unit connection board to the connection assembly part of four units. In this way, since the connecting unit of the four units can be easily held by the unit connecting plate of one leg, the time and labor required to form a circulation loop or to disassemble it are reduced. Can be reduced. In addition, the joint pins used for attaching the legs can be easily connected to the bottom surface of each unit by pulling or releasing the knob, and the connection can be easily released. It can be even better.
If you want to make it easier to attach or remove the legs to the main body of the food counter where the chain rail unit and counter table unit are connected, pull the knob in a straight direction instead of a screw or release it, and the nose will be pulled by the force of the built-in spring. A return-type joint pin that returns to a state in which it retracts or protrudes may be used.
If you want to make it easier to attach or remove the legs, pull the knob to retract the nose, rotate it 90 degrees while pulling the knob, and lock it with the nose retracted. What is necessary is just to use the joint pin of the rest position type which returns to the original state where the nose protrudes when it rotates.

According to the assembly-type circulation transfer conveyor of the present invention, by connecting the dovetail groove fitting portion on the inner side surface of the counter table unit to the dovetail groove joint portion of the chain rail portion unit, Can be easily combined. On the other hand, in the connection in the length direction, each unit is connected in the length direction by inserting the corresponding engagement connection plate into the connection plate connection portion on the lower side of the bottom surface of each adjacent unit. The body part of the assembly and circulation transfer conveyor can be created. Also, in the aggregated part of the four units connected in the width direction and the length direction, insert both ends of the unit coupling plate attached to the upper end of the leg part into the coupling plate coupling part of both units, and make the central part trapezoidal When the deformed separation part is brought into contact with the projecting surface of the lower end of the coupling plate coupling part, and the parts separated from the bottom surface of each unit on both sides thereof are coupled to the bottom surface by the joint pins, the assembly-type circulation transfer conveyor with fewer legs Not only can be held firmly, but also the loops can be easily connected and disconnected.
Also, when the chain rail part unit and the counter table unit are made by cutting an integrally molded product extruded with aluminum or its alloy, not only dovetail joints and dovetail fitting parts formed on the sides of both units, In addition to facilitating the formation of the connecting plate joint formed on the bottom side of the bottom, the weight of both units can be reduced due to the materials used, so assembly and separation of the food counter It is easy to do and can improve work efficiency.
And, since the attachment of the leg to the unit connection body is done using a joint pin, there is no need to rotate the tightening parts to attach or remove the leg, and the knob can be pulled or released, If you turn the knob 90 degrees with the knob pulled, you can lock it with the nose retracted, and if you pull the knob and rotate it 90 degrees, you can return the locked nose to its original state. And disassembly can be performed efficiently with less effort and cost.

  Hereinafter, the assembly-type circulation transfer conveyor of the present invention will be described in more detail based on examples.

  1 is a front view showing a part of one embodiment of the present invention in cross section, FIG. 2 is an enlarged view of the main part of FIG. 1, FIG. 3 is a side view showing a part of FIG. 1 is a plan view of FIG. 1, FIG. 5 is an exploded perspective view of a curved portion to which an electric motor is not attached, FIG. 6 is an exploded perspective view of the intermediate assembly state of FIG. 5, and FIG. 8 is an exploded perspective view of the bending portion on the motor mounting side, FIG. 9 is an exploded perspective view of the intermediate assembled state of FIG. 8, FIG. 10 is a perspective view of the assembled state of FIG. 8, and FIG. FIG. 12 is a fragmentary cross-sectional view showing the engagement relationship between the chain conveyor and the guide member.

The assembly-type circulation transfer conveyor of the present invention is mainly composed of a chain rail unit 1, a counter table unit 2, and legs 3.
The chain rail unit 1 has a rectangular cross section, and dovetail groove coupling portions 6 and 7 are formed over the entire length direction on the lower portions of both side surfaces 4 and 5 in the width direction. The dovetail coupling portions 6 and 7 include rectangular recesses 6a and 7a formed on the side surfaces 4 and 5, and two locking protrusions protruding from the upper and lower ends of the rectangular recesses 6a and 7a, respectively. 4a and 5a (see FIGS. 2, 5, and 12).
Further, the lower portion of the bottom surface 8 of the chain rail unit 1 is connected to the bottom surface 8 by engaging protrusions 4b and 5b obtained by bending the lower end protruding portions of the side surfaces 4 and 5 inward in the width direction. A plate coupling portion 9 is formed over the entire length direction.
On the other hand, on the upper surface side of the chain rail unit 1, an upper depression 12 a having a shallow cross-sectional rectangle holding the top plate 10 and a lower depression 12 b for the chain conveyor 11 formed at the center thereof. Is provided. A plastic guide rail 13 is attached to the bottom surface of the upper recess 12a by a double-sided tape 13a so that a part of the guide recess 13 protrudes in the direction of the lower recess 12b (see FIGS. 11 and 12). Further, the chain conveyor 11 disposed in the lower depression 12b is engaged with a driving sprocket 16 that is rotated at a low speed set by an electric motor 14 and a speed reducer 15 provided in the curved portion ( FIG. 11).

The counter table unit 2 has a horizontally long rectangular shape having substantially the same height as the dovetail joint portion 6 formed on the side surface 4 on the passenger seat side of the chain rail unit 1, and corresponds to the dovetail joint portion 6. The dovetail groove fitting portion 17 is formed in the length direction on the inner side surface 2a. The dovetail fitting portion 17 includes a protruding portion 2c having a size that fits exactly between the locking ridges 4a and 4a of the chain rail portion unit 1, and a rectangular recess 6a of the unit 1 at the protruding end. It is formed by the engaging side surface 2d which has the length to engage (refer FIG. 2, FIG. 11).
Further, the lower portion of the bottom surface 18 of the counter table unit 2 is provided with a locking protrusion 2e, 2f formed by bending the downward projecting ends of the side surfaces 2a, 2b inward in the width direction. Further, the connecting plate coupling portion 19 is formed over the entire length direction (see FIG. 5).

Each of the chain rail unit 1 and the counter table unit 2 having the above-described configuration is formed by cutting an integrally formed product formed into a straight shape by extrusion using aluminum or an alloy thereof into a predetermined length or shape. Is done.
FIG. 5 is a perspective view showing the units 1 and 2 cut into a predetermined length and shape and the engaging connection plates 20 and 21 for connecting the units 1 and 2 at positions to be connected.
Formation of the circulation loop of the main body portion in the circulation transfer conveyor is performed by the following procedure.
First, the dovetail groove fitting portion 17 of the counter table unit 2 to be coupled to the dovetail groove coupling portion 6 on the passenger seat side of each chain rail portion unit 1 is fitted, and both units 1 and 2 are extended over the entire length direction. Link. Next, engagement connecting plates 20 and 21 formed so as to be insertable are connected to the connecting plate coupling portions 9 and 19 on the lower side of the bottom surface which are opened at both ends in the length direction of the both connected units 1 and 2. When inserted to the position of the center line, it becomes as shown in FIG.

In this case, the engagement connecting plates 20 and 21 are changed in direction by the same angle in accordance with the direction changing angle in the connecting portion of both the units 1 and 2, and each engagement connecting plate 20 and 21 is symmetric with respect to the symmetric center line. The left and right are the same shape. The shapes of the engagement connection plates 20 and 21 are as shown in FIG. 5, and the counter table units 2 located on the passenger seat side are connected to each other as compared to the engagement connection plate 20 that connects the chain rail unit 1 to each other. The engagement connecting plate 21 is considerably larger.
The two units 1 and 2 into which the engagement connecting plates 20 and 21 are inserted in half are next to the remaining portions of the engagement connection plates 20 and 21 protruding from the connection plate coupling portions 9 and 19 by half. The connecting plate coupling portions 9 and 19 of both the units 1 and 2 are coupled. When this coupling is repeated, a circulation loop of the main body portion in the food and drink counter is formed.

The connected state of the curved parts connected by the above procedure is as shown in FIG. 7 in the part where the motor 14 and the speed reducer 15 are not attached, and in the part where the motor 14 and the speed reducer 15 are attached in FIG. As shown. In this case, each upper portion of the lower depression 12 b of each chain rail unit 1 where the electric motor 14 and the speed reducer 15 are installed is cut out so that the drive sprocket 16 can engage with the chain conveyor 11. From each of these notches 22A, the tooth tip side of the drive sprocket 16 protrudes into each lower recess 12b and engages with the chain conveyor 11, and the chain conveyor 11 is set in the lower recess 12b at a set low speed. Move. On the upper side of each notch 22A, an upper cover 23 that forms a gap for projecting the drive sprocket 16 is attached to the upper recess 12a.
The electric motor 14 and the speed reducer 15 are formed by an engagement connecting plate 20A inserted into the connecting plate coupling portion 9 and a drive base 24 and a drive cover 25 held on the upper side in the inner portion of the chain rail portion unit 1 of the curved portion. It is attached. A drive shaft 26 projects upward from the speed reducer 15. A plurality of guide members 27 are attached to the curved portion in the lower recess 12b where the electric motor 14 and the speed reducer 15 are not installed so that the chain conveyor 11 can bend along the correct transfer path ( (See FIG. 12).

The leg 3 that holds the connecting body of the chain rail unit 1 and the counter table unit 2 at a set height position is provided with a unit connecting plate 28 that holds the connecting body of both units 1 and 2 at the upper end. The horizontal stabilizing leg 3a having a circular cross section in the width direction of the units 1 and 2 is attached to the lower end of the leg part 3 by welding or the like.
This horizontal stabilizing leg 3a is slightly shorter than the length in the width direction of both units 1 and 2, and both ends have adjustment legs that can be finely adjusted in the height direction and the horizontality of both units 1 and 2 can be adjusted. 3b and 3b are screwed in the height direction. Reference numeral 29 denotes a nut for positioning each adjustment leg 3b having been adjusted in height or horizontal direction at the adjustment position.
Further, both ends of the unit connecting plate 28 attached to the upper end of the leg portion 3 are inserted and held in connecting plate coupling portions 9 and 19 formed on the lower side of the bottom surfaces of both units 1 and 2, respectively. The inner surface is deformed into a trapezoidal shape having symmetry so that it can come into contact with the projecting side end surfaces of the coupling plate coupling portions 9 and 19 projecting below the coupling portions of both units 1 and 2. As shown in FIGS. 2 and 3, the unit connecting plate 28 includes both units 1 and 2 connected in the width direction and the same type of units (1, 1) and (2, 2) connected in the length direction. In the four gathering parts, the four joint pins 30 that are attached to the upper side part that is deformed into a trapezoidal shape, straddle both sides of the connecting plate coupling parts 9 and 19, are attached to the bottom faces 8 and 18 of both units 1 and 2. It is connected with each unit 1 and 2 through the provided pin hole.
When the knob 30a is pulled in the pulling direction, the nose 30b is retracted, and when the knob 30a is released, the joint pin 30 returns to its original protruding state by the action of a built-in spring, or rotates 90 degrees when pulled out. The rest position type is used that is locked as it is, and is pulled slightly and rotated 90 degrees to return to the original protruding state.

As in the present invention, when a chain rail unit and a counter table unit are made by integral molding using aluminum or an alloy thereof, dovetail coupling portions or dovetail fitting portions are formed on these side surfaces, Since it becomes easy to form the connecting plate coupling part below the bottom surface, when both units are cut to the set length and shape, just by fitting the dovetail fitting part into those dovetail coupling parts, Connection in the width direction can be easily performed. In addition, when a coupling operation is performed simply by inserting a suitable engagement connecting plate into the opening portions at both ends of both coupled units, both units coupled in the width direction can be easily coupled in the length direction to eat and drink. A counter circulation loop can be formed.
In addition, the attachment of the leg to the connection unit formed with the circulation loop is performed by inserting both ends of the unit connection plate attached to the upper end of the leg into the connection plate coupling part in the width direction of both units, and holding it. Since it is only necessary to couple the four joint pins attached to the unit connecting plate to the bottom surface of each unit, it is possible to efficiently perform the coupling and separation of the assembly-type circulation transfer conveyor with less labor and cost.
Moreover, since the number of parts constituting the food and beverage counter is small and the weight of both units can be reduced, handling work during assembly and disassembly can be performed very easily.
Then, the legs are attached to the unit connection body by inserting both ends of the unit connection plate attached to the upper end of the leg portion into the connecting plate connecting portions in the width direction of both units, and attaching them to the unit connection plate. Since it is only necessary to connect the four joint pins to the bottom surface of each unit, the unit connection body can be held firmly in a stable state, and the assembly-type circulation transfer conveyor can be connected and separated with less effort. And cost-effective.

It is the front view which showed a part of one Example of this invention in the cross section. It is a principal part enlarged view of II-II of FIG. It is the side view which notched and showed a part of III-III of FIG. It is a top view of FIG. It is a disassembled perspective view of the chain rail part unit and counter table unit of the curved part to which the electric motor is not attached. It is a disassembled perspective view which shows the intermediate assembly state of FIG. It is a perspective view which shows the state at the time of the assembly completion of FIG. It is a disassembled perspective view of the chain rail part unit and counter table unit of the curved part to which an electric motor is attached. It is a disassembled perspective view which shows the intermediate | middle assembly state of FIG. It is a perspective view which shows the state at the time of the assembly completion of FIG. It is principal part sectional drawing which shows the engagement relation of a drive sprocket and a chain conveyor. It is principal part sectional drawing which shows the engagement relationship of a chain conveyor and a guide member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Chain rail part unit 2 Counter table unit 3 Leg part 4,5 Side surface 4a, 5a Locking protrusion 6,7 Dovetail joint part 6a, 7a Rectangular hollow 8,18 Bottom face 9,19 Connecting plate coupling part 10 Top plate DESCRIPTION OF SYMBOLS 11 Chain conveyor 13 Guide rail 14 Electric motor 17 Dovetail fitting part 20, 20A, 21 Engagement connection board 28 Unit connection board 30 Joint pin

Claims (7)

A chain rail unit having an upper part of a support portion of the chain conveyor connected by a top plate, a counter table unit connected to a passenger seat side or an operator side of the unit, an electric motor for driving the chain conveyor, In the assembly-type circulatory transfer conveyor, which is composed of four legs connected to each other in the length direction and the width direction, the chain rail unit is formed on the lower part of both side surfaces in the width direction. A dovetail groove coupling portion comprising a rectangular hollow portion to be formed and a locking ridge projecting from the upper and lower ends to the upper side of the hollow portion is formed over the entire length direction, and the dovetail groove coupling portion is formed on the counter table. engaging side is formed on the inner side of the unit, is connected to the dovetail groove fitting part comprising a projection projecting to the upper and lower ends In the length direction of both the units, a circulation loop is formed by connection by an engagement connection plate inserted into a connection plate coupling portion formed on the lower side of each bottom surface, and connected in the length direction and the width direction 4. An assembly-type circulation transfer conveyor characterized in that a collective portion of two units is held by the leg portion via a unit connecting plate attached to the upper end of the leg portion .   The assembly-type circulatory transfer conveyor according to claim 1, wherein the guide rail contacting the lower surface of the top plate is formed of plastic, and the guide rail is bonded to a place where the chain rail unit is installed by double-sided tape.   The assembly-type circulation transfer conveyor according to claim 1 or 2, wherein each of the chain rail unit and the counter table unit is obtained by cutting a molded product integrally formed of aluminum or an alloy thereof.   The curved part that forms the circulation loop of the chain rail unit and the counter table unit is an isosceles trapezoid with a set length and angle formed from a linear molded product in which both units are integrally formed of aluminum or an alloy thereof. Combine the cut ones and the trapezoidal ones cut at the symmetrical center line, and match the direction change angles of the two adjacent units to the connecting plate joints formed on the bottom side of the two units. The assembly-type circulation transfer conveyor according to any one of claims 1 to 3, wherein the assembly connection circulation plate is formed by inserting an engagement connecting plate whose direction is changed.   The unit connecting plate at the upper end of the leg is inserted into the connecting plate connecting portion on the lower side of the bottom surface of each unit connected in the width direction in the unit of four units connected in the length and width directions. And the lower side of the connecting plate connecting part protruding below the bottom surface at the side connecting part of both units is brought into contact with the upper side part obtained by deforming the central part of the unit connecting plate into a trapezoidal shape, and the lower end The assembly-type circulation transfer conveyor according to any one of claims 1 to 4, wherein upper side portions on both sides of the projecting surface are coupled to the bottom surfaces of the four units by joint pins.   The joint pin attached to the upper end of the leg portion is a return type that returns to a state in which the nose is retracted when the knob is pulled in the pulling direction and is released by the force of the built-in spring when the knob is released. Assembly-type circulation transfer conveyor.   When the joint pin is pulled in the direction of pulling out the knob, the nose retracts, and if the knob is pulled and rotated 90 degrees, it can be locked with the nose retracted, and further, the knob is pulled slightly and rotated 90 degrees to release the knob. The assembly-type circulatory transfer conveyor according to claim 5 or 6, which is of a rest position type that returns to its original state in which the nose protrudes by the force of a spring.

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