Plate conveying device

Abstract

The utility model provides a plate conveying device which comprises a stock bin, a conveying device and a conveying device. The output mechanism is used for outputting the plates in the stock bin in the first direction, and the output mechanism is installed at the bottom of the stock bin; the positioning mechanism is used for positioning the plates conveyed by the output mechanism, and the positioning mechanism is installed at the discharging end of the output mechanism; and the conveying mechanism is used for sucking the plates on the positioning mechanism and supporting the plates to convey the plates in the second direction, the feeding end of the conveying mechanism is located in the middle of the positioning mechanism, and the second direction is perpendicular to the first direction. The plate can be conveyed in the second direction through the conveying mechanism, due to the fact that the positioning mechanism positions the position of the plate, the position of the plate can be accurately positioned when the conveying mechanism sucks the plate, and in the conveying process of the conveying mechanism, due to the fact that the plate is sucked by the conveying mechanism, the position of the plate is accurately controlled; and therefore, the plate material can be accurately bent into the box body.

Description

Technical Field

[0001] This application belongs to the technical field of packaging box processing, and more specifically, relates to a sheet material transmission device. Background Art

[0002] When processing a packaging box, a grey board is bent to form a box body. When the grey board is bent, the bending mechanism is located below the mold, and the grey board is located between the bending mechanism and the mold. It is necessary to horizontally transmit the grey board to between the bending mechanism and the mold and control and position the grey board. The existing grey board feeding device usually transmits the grey board along the length direction of the mold to the lower side of the mold, and it is not easy to control the position of the grey board along the width direction of the mold when the grey board is bent. Utility Model Content

[0003] The purpose of the embodiments of this application is to provide a sheet material transmission device to solve the technical problem in the existing technology that it is not easy to control the position of the grey board along the width direction of the mold when the grey board is bent.

[0004] To achieve the above purpose, the technical solution adopted in this application is: to provide a sheet material transmission device, including:

[0005] A storage bin for storing sheet materials;

[0006] An output mechanism for outputting the sheet material in the storage bin along a first direction, and the output mechanism is installed at the bottom of the storage bin;

[0007] A positioning mechanism for positioning the sheet material transmitted by the output mechanism, and the positioning mechanism is installed at the discharge end of the output mechanism;

[0008] A conveying mechanism for sucking the sheet material on the positioning mechanism and supporting the sheet material to transmit the sheet material along a second direction, and the feeding end of the conveying mechanism is located in the middle of the positioning mechanism, where the second direction is perpendicular to the first direction.

[0009] By adopting the output mechanism, the sheet material in the storage bin can be output along the first direction. By adopting the positioning mechanism, the position of the sheet material can be positioned to facilitate controlling the position of the sheet material at the feeding end of the conveying mechanism. By adopting the conveying mechanism, the sheet material can be transmitted along the second direction. Since the positioning mechanism positions the position of the sheet material, the position of the sheet material can be accurately positioned when the conveying mechanism sucks the sheet material, and since the sheet material is subjected to the suction force of the conveying mechanism during the transmission process of the conveying mechanism, it can prevent the sheet material from sliding relative to the conveying mechanism when being transmitted along the second direction, thereby precisely controlling the position of the sheet material to facilitate transmitting the sheet material to between the bending mechanism and the mold mechanism to be bent into a box body.

[0010] In one embodiment, the positioning mechanism includes a stop component for stopping and positioning one end of the sheet material and a push plate component for pushing the sheet material to the stop component. The stop component and the push plate component are respectively located on opposite sides of the incoming material end of the conveying mechanism.

[0011] By adopting the above technical means, the position of the sheet material in the first direction can be positioned.

[0012] In one embodiment, the stop component includes a first stop seat disposed opposite to the push plate component, a second stop seat located on one side of the first stop seat close to the outgoing material end of the conveying mechanism, a first driver for driving the second stop seat to lift, and a first support. The first stop seat and the first driver are mounted on the first support, and the power output end of the first driver is connected to the second stop seat.

[0013] By adopting the above technical means, two adjacent sides of the sheet material can be positioned to control the position of the sheet material on the conveying mechanism.

[0014] In one embodiment, a second driver for driving the conveying mechanism to lift is mounted on the stop component. The power output end of the second driver is connected to the conveying mechanism, and the conveying mechanism is slidably connected to the stop component.

[0015] By adopting the above technical means, the conveying mechanism can be driven to rise to avoid interference with the positioning mechanism when the sheet material is transported in the second direction.

[0016] In one embodiment, the conveying mechanism includes a suction plate, a first linear drive component for driving the suction plate to move linearly, and a second support for supporting the first linear drive component. The first linear drive component is mounted on the second support, the power output end of the first linear drive component is connected to the suction plate, the suction plate is slidably connected to the second support, the second support is slidably connected to the stop component, and the power output end of the second driver is connected to the second support.

[0017] By adopting the above technical means, the sheet material can be controlled to be transported in the second direction and the sheet material can be prevented from sliding during the transportation process.

[0018] In one embodiment, the first linear drive component includes a first fixed seat, a first synchronous belt connected to the first fixed seat, a first driving wheel, a first driven wheel that cooperates with the first driving wheel to support the first synchronous belt, and a first motor for driving the first driving wheel to rotate. The first motor and the first driven wheel are mounted on the second support, the rotating shaft of the first motor is connected to the first driving wheel, and the first fixed seat is connected to the suction plate.

[0019] By adopting the above technical means, it is possible to control the suction plate to move along the second direction.

[0020] In one embodiment, the pushing plate assembly includes a pushing claw, a second linear driving assembly for driving the pushing claw to reciprocate, and a third support for supporting the second linear driving assembly. The power output end of the second linear driving assembly is connected to the pushing claw.

[0021] By adopting the above technical means, it is possible to push the sheet material to the stop assembly to position the sheet material in the first direction.

[0022] In one embodiment, the second linear driving assembly includes a second fixed seat, a second synchronous belt connected to the second fixed seat, a second driving wheel, a second driven wheel that cooperates with the second driving wheel to support the second synchronous belt, and a second motor for driving the second driving wheel. The second motor and the second driven wheel are installed on the third support. The second driving wheel is connected to the rotating shaft of the second motor, and the second fixed seat is connected to the pushing claw.

[0023] By adopting the above technical means, it is possible to drive the pushing claw to move linearly in a reciprocating manner.

[0024] In one embodiment, a limiting member for stopping and positioning the sheet material is provided on one side of the third support away from the discharge end of the conveying mechanism.

[0025] By adopting the above technical means, it is possible to position the side edge of the sheet material.

[0026] In one embodiment, the output mechanism is a belt transmission mechanism, and the belt transmission mechanism is installed below the storage bin; and / or,

[0027] A bending mechanism for bending the sheet material and a die mechanism for cooperating with the bending mechanism to form a box body are installed at the output end of the conveying mechanism.

[0028] By adopting the above technical means, it is possible to facilitate the continuous feeding of the sheet material; it is possible to bend the sheet material at the output end of the conveying mechanism and form a box body on the die mechanism. Description of the Drawings

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0030] Figure 1Schematic perspective view of the sheet metal transfer device provided by the embodiment of the present application;

[0031] Figure 2 is Figure 1 Schematic perspective view of the middle bin, push plate assembly and limiting member;

[0032] Figure 3 is Figure 2 Exploded view of the middle structure;

[0033] Figure 4 is Figure 2 Schematic perspective view of the conveying mechanism and the stop assembly in Figure 1 ;

[0034] Figure 5 is Figure 2 Schematic perspective view of the conveying mechanism and the stop assembly in Figure 2 .

[0035] Among them, the reference numerals in the figure are as follows:

[0036] 10, machine platform;

[0037] 20, bin;

[0038] 30, output mechanism;

[0039] 40, positioning mechanism; 41, stop assembly; 411, first stop seat; 412, second stop seat; 413, first driver; 414, first support; 42, push plate assembly; 421, push claw; 422, second linear drive assembly; 4221, second fixed seat; 4222, second synchronous belt; 4223, second driving wheel; 4224, second driven wheel; 4225, second motor; 423, third support; 424, limiting plate; 425, support arm; 43, limiting member;

[0040] 50, conveying mechanism; 51, suction plate; 52, first linear drive assembly; 521, first fixed seat; 522, first synchronous belt; 523, first driving wheel; 524, first driven wheel; 525, first motor; 53, second support; 54, second driver;

[0041] 60, bending mechanism;

[0042] 70, die mechanism;

[0043] 80, sheet metal. Detailed implementation manners

[0044] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0045] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0046] It should be understood that the orientation or positional relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0047] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present application, "a plurality of" means two or more, unless otherwise specifically defined.

[0048] Please refer to Figures 1 to 5, the sheet metal transfer device provided by the embodiments of the present application will be described hereinafter. The sheet metal transfer device includes a magazine 20, an output mechanism 30, a positioning mechanism 40, and a transfer mechanism 50; the magazine 20 is used to store the sheet metal 80; the output mechanism 30 is used to output the sheet metal 80 in the magazine 20 along the first direction Y, and the output mechanism 30 is installed at the bottom of the magazine 20; the positioning mechanism 40 is used to position the sheet metal 80 transferred by the output mechanism 30, and the positioning mechanism 40 is installed at the discharge end of the output mechanism 30; the transfer mechanism 50 is used to suck the sheet metal 80 on the positioning mechanism 40 and support the sheet metal 80 to transfer the sheet metal 80 along the second direction X, and the feeding end of the transfer mechanism 50 is located in the middle of the positioning mechanism 40, wherein the second direction X is perpendicular to the first direction Y. By adopting the output mechanism 30, the sheet metal 80 in the magazine 20 can be output along the first direction Y, and by adopting the positioning mechanism 40, the position of the sheet metal 80 can be positioned to facilitate controlling the position of the sheet metal 80 on the feeding end of the transfer mechanism 50; by adopting the transfer mechanism 50, the sheet metal 80 can be transferred along the second direction X. Since the positioning mechanism 40 positions the position of the sheet metal 80, the position of the sheet metal 80 can be accurately positioned when the transfer mechanism 50 sucks the sheet metal 80, and during the transfer process of the transfer mechanism 50, since the sheet metal 80 is subjected to the suction force of the transfer mechanism 50, the sheet metal 80 can be prevented from sliding relative to the transfer mechanism 50 when being transferred along the second direction X, thereby accurately controlling the position of the sheet metal 80 to facilitate transferring the sheet metal 80 between the bending mechanism 60 and the die mechanism 70 to be bent into a box body.

[0049] In one embodiment of the present application, please refer to Figures 1 to 3 , the sheet metal transfer device further includes a machine table 10, and the magazine 20, the positioning mechanism 40, the bending mechanism 60, and the die mechanism 70 are installed on the machine table 10. This can keep the positions of the magazine 20, the positioning mechanism 40, the bending mechanism 60, and the die mechanism 70 stable to facilitate the installation and transportation of the sheet metal transfer device.

[0050] In one embodiment of the present application, please refer to Figures 1 to 5 , the positioning mechanism 40 includes a stop component 41 for stopping and positioning one end of the sheet metal 80 and a push plate component 42 for pushing the sheet metal 80 to the stop component 41. The stop component 41 and the push plate component 42 are respectively located on opposite sides of the transfer mechanism 50 along the second direction X. The stop component 41 can stop and position one end of the sheet metal 80, while the push plate component 42 can push the sheet metal 80 towards the stop component 41, and the push plate component 42 can cooperate with the stop component 41 to clamp and position both ends of the sheet metal 80 to facilitate controlling the position of the sheet metal 80 on the transfer mechanism 50 along the first direction Y. Optionally, the stop component 41 and the push plate component 42 are installed on the machine table 10 to ensure the stability of the positions of the stop component 41 and the push plate component 42.

[0051] In one embodiment of the present application, please refer to Figures 1 to 5, the stopper assembly 41 includes a first stopper seat 411, a second stopper seat 412, a first driver 413, and a first support 414. The first stopper seat 411 is disposed opposite to the push plate assembly 42. The second stopper seat 412 is located on one side of the first stopper seat 411 close to the discharge end of the conveying mechanism 50. The first driver 413 is used to drive the second stopper seat 412 to move up and down. The first stopper seat 411 and the first driver 413 are mounted on the first support 414, and the power output end of the first driver 413 is connected to the second stopper seat 412. In this way, when the first driver 413 drives the first stopper seat 411 to rise, the position of one side edge of the sheet material 80 can be positioned, so as to control the position of the sheet material 80 on the conveying mechanism 50 along the second direction X. When the first driver 413 drives the first stopper seat 411 to descend to the lower side of the sheet material 80, it can prevent the first stopper seat 411 from hindering the movement of the sheet material 80 along the second direction X, so as to facilitate the transmission of the sheet material 80 to the die mechanism 70. Optionally, the first support 414 is connected to the machine table 10. In this way, the position stability of the stopper assembly 41 on the machine table 10 can be maintained.

[0052] Optionally, the first driver 413 can be a cylinder or a linear motor, etc. In this way, the second stopper seat 412 can be driven to move along the vertical direction Z.

[0053] In an embodiment of the present application, please refer to Figures 1 to 5 , a second driver 54 for driving the conveying mechanism 50 to move up and down is mounted on the stopper assembly 41. The power output end of the second driver 54 is connected to the conveying mechanism 50, and the conveying mechanism 50 is slidably connected to the stopper assembly 41. In this way, when the second driver 54 drives the stopper assembly 41 to rise to a high position, the position of the sheet material 80 can be positioned. When the second driver 54 drives the stopper assembly 41 to descend to a low position, it can avoid the sheet material 80, so as to facilitate the movement of the sheet material 80 along the second direction X. Optionally, the second driver 54 can be a cylinder or a linear motor, etc. In this way, the conveying mechanism 50 can be driven to move along the vertical direction Z.

[0054] In an embodiment of the present application, please refer to Figures 1 to 5 , the conveying mechanism 50 includes a suction plate 51, a first linear driving assembly 52 for driving the suction plate 51 to move linearly, and a second support 53 for supporting the first linear driving assembly 52. The first linear driving assembly 52 is mounted on the second support 53, the power output end of the first linear driving assembly 52 is connected to the suction plate 51, the suction plate 51 is slidably connected to the second support 53, the second support 53 is slidably connected to the stopper assembly 41, and the power output end of the second driver 54 is connected to the second support 53. By using the suction plate 51, the sheet material 80 can be adsorbed and fixed, so as to ensure the position stability of the sheet material 80 relative to the suction plate 51 during the transmission along the second direction X.

[0055] Optionally, the second driver 54 is connected to the bottom of the first support 414 or the machine table 10, and the output shaft of the second driver 54 is connected to the first support 414. In this way, the lifting of the transfer mechanism 50 can be controlled.

[0056] Optionally, the middle part of the output shaft of the second driver 54 is connected to the second support 53, and the distal end of the second driver 54 is slidably connected to the top of the first support 414. In this way, the stability between the second support 53 and the first support 414 can be improved.

[0057] Optionally, a vacuum chamber is provided in the suction plate 51, and a plurality of adsorption holes communicating with the vacuum chamber are provided on the suction plate 51. The adsorption holes are located on the top surface of the suction plate 51. Through the adsorption holes, the lower surface of the sheet material 80 can be adsorbed, so as to facilitate the transmission of the sheet material 80 between the die mechanism 70 and the bending mechanism 60.

[0058] In an embodiment of the present application, please refer to Figures 2 to 5 , the first linear drive assembly 52 includes a first fixed seat 521, a first synchronous belt 522 connected to the first fixed seat 521, a first driving wheel 523, a first driven wheel 524 that cooperates with the first driving wheel 523 to support the first synchronous belt 522, and a first motor 525 for driving the first driving wheel 523 to rotate. The first motor 525 and the first driven wheel 524 are installed on the second support 53. The rotating shaft of the first motor 525 is connected to the first driving wheel 523, and the first fixed seat 521 is connected to the suction plate 51. In this way, the first motor 525 can be used to drive the first synchronous belt 522 to operate, so as to drive the suction plate 51 to move linearly.

[0059] Optionally, a guide rail is installed on the second support 53, and a slider slidably engaged with the guide rail is installed on the suction plate 51. In this way, through the sliding cooperation between the guide rail and the slider, the stability of the suction plate 51 can be improved, which is beneficial to improving the position accuracy of the suction plate 51.

[0060] In an embodiment of the present application, please refer to Figures 2 to 5 , the push plate assembly 42 includes a pusher claw 421, a second linear drive assembly 422 for driving the pusher claw 421 to reciprocate, and a third support 423 for supporting the second linear drive assembly 422. The power output end of the second linear drive assembly 422 is connected to the pusher claw 421. Through the pusher claw 421, the sheet material 80 can be pushed towards the stop assembly 41, and can cooperate with the first stop seat 411 to clamp and position the sheet material 80, so as to facilitate the control of the position of the sheet material 80 along the first direction Y.

[0061] In an embodiment of the present application, please refer to Figures 2 to 5, the second linear drive assembly 422 includes a second fixed seat 4221, a second synchronous belt 4222 connected to the second fixed seat 4221, a second driving pulley 4223, a second driven pulley 4224 that cooperates with the second driving pulley 4223 to support the second synchronous belt 4222, and a second motor 4225 for driving the second driving pulley 4223. The second motor 4225 and the second driven pulley 4224 are installed on a third support 423. The second driving pulley 4223 is connected to the rotating shaft of the second motor 4225, and the second fixed seat 4221 is connected to the pusher claw 421. In this way, the second synchronous belt 4222 can be driven to operate by the second motor 4225 to drive the pusher claw 421 to reciprocate. Optionally, the third support 423 can be installed on the machine table 10 or the magazine 20 to ensure the stability of the position of the pushing plate assembly 42.

[0062] Optionally, the number of pusher claws 421 is multiple, and the multiple pusher claws 421 are arranged at intervals along the second direction X. In this way, the forces on both ends of the sheet material 80 can be kept consistent when pushing the sheet material 80.

[0063] Optionally, a slide bar is installed on the third support 423, and a slide sleeve is installed on the second fixed seat 4221. The slide sleeve is slidably sleeved on the slide bar. In this way, the slide bar and the slide sleeve can be slidably engaged to guide the pusher claw 421 to move linearly along the first direction Y, improving the stability of the movement of the pusher claw 421.

[0064] In an embodiment of the present application, please refer to Figures 1 to 5 , a limiting member 43 for stopping and positioning the sheet material 80 is provided on one side of the third support 423 away from the discharge end of the conveying mechanism 50. The side edge of the sheet material 80 can be positioned through the limiting member 43 to facilitate controlling the position of the sheet material 80 along the second direction X. Specifically, the limiting member 43 can be a plate member, and the limiting member 43 and the second stopping seat 412 are respectively located on opposite sides of the pushing plate assembly 42 along the second direction X, so that the position of the sheet material 80 along the second direction X can be positioned in cooperation with each other.

[0065] In an embodiment of the present application, please refer to Figures 2 to 5 , a support arm 425 is installed on the third support 423, and the support arm 425 is used for slidably supporting the sheet material 80. In this way, the position of the sheet material 80 along the vertical direction Z can be controlled during conveying. Optionally, the number of support arms 425 is multiple, and the multiple support arms 425 are arranged at intervals along the second direction X, and the pusher claw 421 is located between two adjacent support arms 425. In this way, it is convenient for the pusher claw 421 to extend out of the upper side of the support arm 425 to facilitate pushing the sheet material 80 towards the stopping assembly 41 to slide.

[0066] In an embodiment of the present application, please refer to Figures 1 to 5, on both sides of the third support 423 along the second direction X, limit plates 424 are installed. The limit plates 424 are used to limit the sliding of the sheet material 80 along the second direction X, so as to facilitate controlling the position of the sheet material 80 on the suction plate 51.

[0067] In an embodiment of the present application, please refer to Figures 1 to 3 , the output mechanism 30 is a belt transmission mechanism, and the belt transmission mechanism is installed below the bin 20. In this way, the sheet material 80 can be output from the bottom of the bin 20. Specifically, the bin 20 is vertically through, and a discharge port communicating with the bottom of the bin 20 is provided on one side of the bin 20 close to the positioning mechanism 40. In this way, it is convenient to load the sheet material 80 without stopping the machine, ensuring the continuous feeding of the sheet material 80.

[0068] In an embodiment of the present application, please refer to Figures 1 to 5 , a bending mechanism 60 for bending the sheet material 80 and a die mechanism 70 for cooperating with the bending mechanism 60 to form a box body are installed at the output end of the conveying mechanism 50. By using the bending mechanism 60, the sheet material 80 can be bent, so as to form a box body on the die mechanism 70.

[0069] Optionally, the first support 414 and the third support 423 are connected to the machine table 10, and the second driver 54 is connected to the machine table 10. In this way, the stop assembly 41, the push plate assembly 42 and the second driver 54 can be installed and fixed.

[0070] The above are only the preferred embodiments of the present application, and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sheet material transmission device, characterized in that: include: Silo, used to store sheet materials; An output mechanism, used for outputting the sheet material in the silo along a first direction, the output mechanism being installed at the bottom of the silo; A positioning mechanism, used for positioning the sheet material transmitted by the output mechanism, wherein the positioning mechanism is installed at the output end of the output mechanism; The conveying mechanism is used to absorb the sheet material on the positioning mechanism and support the sheet material to transport the sheet material along a second direction, and the incoming end of the conveying mechanism is located in the middle of the positioning mechanism, wherein the second direction is perpendicular to the first direction.

2. The sheet material transmission device according to claim 1, characterized in that: The positioning mechanism includes a stop assembly for stopping and positioning one end of the sheet material and a push plate assembly for pushing the sheet material to the stop assembly. The stop assembly and the push plate assembly are respectively located on opposite sides of the conveying mechanism along the second direction.

3. The sheet material transmission device according to claim 2, characterized in that: The stop assembly includes a first stop seat arranged opposite to the push plate assembly, a second stop seat located on the side of the first stop seat close to the discharge end of the conveying mechanism, a first driver and a first support for driving the second stop seat to rise and fall, the first stop seat and the first driver are installed on the first support, and the power output end of the first driver is connected to the second stop seat.

4. The sheet material transmission device according to claim 2, characterized in that: The stop assembly is provided with a second driver for driving the conveying mechanism to rise and fall, a power output end of the second driver is connected to the conveying mechanism, and the conveying mechanism is slidably connected to the stop assembly.

5. The sheet material transmission device according to claim 4, characterized in that: The transmission mechanism includes a suction plate, a first linear drive component for driving the suction plate to move linearly, and a second support supporting the first linear drive component, the first linear drive component is installed on the second support, the power output end of the first linear drive component is connected to the suction plate, the suction plate is slidably connected to the second support, the second support is slidably connected to the stop assembly, and the power output end of the second driver is connected to the second support.

6. The sheet material transmission device according to claim 5, characterized in that: The first linear drive assembly includes a first fixed seat, a first synchronous belt connected to the first fixed seat, a first driving wheel, a first driven wheel that cooperates with the first driving wheel to support the first synchronous belt, and a first motor for driving the first driving wheel to rotate, the first motor and the first driven wheel are installed on the second support, the rotating shaft of the first motor is connected to the first driving wheel, and the first fixed seat is connected to the suction plate.

7. The sheet material transmission device according to claim 2, characterized in that: The push plate assembly includes a push claw, a second linear drive assembly for driving the push claw to move back and forth, and a third support supporting the second linear drive assembly, and a power output end of the second linear drive assembly is connected to the push claw.

8. The sheet material transmission device according to claim 7, characterized in that: The second linear drive assembly includes a second fixed seat, a second synchronous belt connected to the second fixed seat, a second driving wheel, a second driven wheel cooperating with the second driving wheel to support the second synchronous belt, and a second motor for driving the second driving wheel, the second motor and the second driven wheel are installed on the third support, the second driving wheel is connected to the rotating shaft of the second motor, and the second fixed seat is connected to the pushing claw.

9. The sheet material transmission device according to claim 7, characterized in that: A limiting member for stopping and positioning the sheet material is provided on one side of the third support away from the material discharging end of the conveying mechanism.

10. The sheet material conveying device according to any one of claims 1 to 9, characterized in that: The output mechanism is a belt transmission mechanism, and the belt transmission mechanism is installed below the silo; and / or, The output end of the conveying mechanism is equipped with a bending mechanism for bending the sheet material and a mold mechanism for cooperating with the bending mechanism to form a box body.

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