A sheet product packer

Abstract

The sheet product boxing machine comprises a rack provided with a material box bearing table, a cover shell provided with a material box taking and placing window, and a pushing mechanism for pushing the sheet product, the pushing mechanism comprising a support, a conveying belt, and a transfer plate, a lifting plate and a pushing plate connected in sequence. The support is movably arranged behind the bearing table in up-down and left-right directions. The conveying belt comprises first and second conveying belts which are synchronously rotated and arranged in parallel and at intervals. The sheet product can be conveyed forward by the conveying belt. The lifting plate drives the pushing plate to move downward and extend into the conveying belt. Then the transfer plate drives the pushing plate to move forward to realize pushing. The second conveying belt is movably arranged in left-right directions, so that the sheet product with different widths can be conveyed, and the universality is good. The elastic element is arranged between the pushing plate and the lifting plate. The elastic element can absorb the pushing force when the sheet product is clamped, so that the sheet product is not easily squeezed. The pressure sensor on the pushing plate can limit the pushing force.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of sheet product unloading, and particularly relates to a sheet product boxing machine. BACKGROUND

[0002] Sheet products are common finished products and semi-finished products in the field of industrial manufacturing, such as PCB boards, carriers, substrates, etc. After processing, the sheet products need to be loaded into a magazine by a boxing machine for storage and transfer. For sheet products, the thickness difference between different models is small, while the width difference is large. Traditional boxing machines can mostly only adapt to the boxing operation of sheet products of one width, and have poor versatility, and are difficult to adapt to flexible production lines for mixed production of different models. At the same time, most of such boxing machines do not have a buffer device. When the sheet product and the magazine slot are misaligned, the sheet product is easily squeezed. When the misalignment is small, although the sheet product can be forced into the magazine, the pushing force is difficult to control, and if the force is too large, the sheet product will also be damaged. SUMMARY

[0003] The purpose of the present application is to overcome the shortcomings of the prior art, and provide a sheet product boxing machine with good versatility, which is not easy to squeeze the sheet product and can control the pushing force.

[0004] To achieve the above-mentioned purpose, the technical solution provided by the present application is a sheet product boxing machine, comprising:

[0005] A rack, wherein the rack is provided with a bearing table for placing a magazine, and the bearing table can simultaneously place at least two magazines for sheet products;

[0006] A cover shell is arranged on the rack, and a magazine taking and placing window corresponding to the bearing table is formed in the front part of the cover shell;

[0007] A pushing mechanism for pushing the sheet product into the magazine on the bearing table;

[0008] The pushing mechanism comprises a bracket, a conveying belt, a transfer plate, a lifting plate and a pushing plate, the bracket is movably arranged in the housing and located at the rear of the bearing table, the conveying belt is rotatably arranged on the bracket, the conveying belt is used for conveying the sheet product forward, the conveying belt comprises a first conveying belt and a second conveying belt which are rotatably arranged in parallel and synchronously, the second conveying belt is movably arranged relative to the first conveying belt, the transfer plate is movably connected to the bracket, the lifting plate is movably connected to the transfer plate, the pushing plate is movably connected to the front end of the lifting plate, the pushing plate can move downward with the lifting plate and extend into the gap between the first conveying belt and the second conveying belt to push the sheet product, an elastic member is arranged between the pushing plate and the lifting plate, the elastic member has a tendency to drive the pushing plate to move forward, and the front end of the pushing plate is provided with a pressure sensor which protrudes forward relative to the lifting plate.

[0009] Preferably, the bracket comprises a first mounting plate for mounting the first conveying belt and a second mounting plate for mounting the second conveying belt, a rotatable drive shaft and a rotatable screw are connected to the first mounting plate, the drive shaft and the screw are arranged in parallel, the drive shaft and the screw penetrate the second mounting plate, the drive shaft is used to drive the first and second conveying belts to rotate synchronously, and the screw cooperates with a screw nut arranged on the second mounting plate to drive the second mounting plate to move left and right relative to the first mounting plate.

[0010] Further preferably, the cross section of the drive shaft is polygonal, and the drive shaft is also used to guide the movement of the second mounting plate.

[0011] Further preferably, the bottom of the second mounting plate is connected to the bottom plate of the bracket through a first slide rail pair.

[0012] Further preferably, the bottom plate is provided with a conveying motor for driving the drive shaft and a pitch adjusting motor for driving the screw to rotate.

[0013] Preferably, the pushing plate is connected to the lifting plate through a second slide rail pair, the second slide rail pair extends in the front and rear directions, the two ends of the elastic member are connected to the sliding block and the lifting plate, and the elastic member comprises a tension spring.

[0014] Further preferably, the pressure value when the pressure sensor is triggered is less than or equal to the maximum tension value of the tension spring.

[0015] Preferably, the pressure sensor is in the shape of a cylinder, and the front end of the pressure sensor is provided with a transverse protruding strip which matches the sheet product.

[0016] Preferably, the pushing mechanism has two groups, and the two groups of the pushing mechanism are symmetrically arranged along the left-right direction.

[0017] Preferably, the front part of the bracket is provided with a liftable material blocking plate located between the first conveying belt and the second conveying belt.

[0018] Thanks to the above technical scheme, the present application has the following advantages compared with the prior art:

[0019] The sheet product boxing machine provided by the present application comprises a rack, a cover, and a pushing mechanism. The rack is provided with a bearing table for placing a box. The cover is arranged on the rack. A box taking and placing window corresponding to the bearing table is formed in the front part of the cover. The pushing mechanism is used for pushing a sheet product into a box on the bearing table. The pushing mechanism comprises a bracket, a conveying belt, a transferring plate, a lifting plate, and a pushing plate. The bracket is movably arranged in the cover and located behind the bearing table. The conveying belt is rotatably arranged on the bracket. The conveying belt comprises a first conveying belt and a second conveying belt which are synchronously rotated and arranged in parallel and at intervals. The transferring plate is movably connected to the bracket. The lifting plate is movably connected to the transferring plate. The pushing plate is movably connected to the front end of the lifting plate. The sheet product can be conveyed forward by the conveying belt, and the pushing plate can be moved downward into the conveying belt by the lifting plate, and then the pushing plate can be moved forward by the transferring plate to push the sheet product. The second conveying belt is movably arranged relative to the first conveying belt. The interval between the two conveying belts can be adjusted by the left-right movement of the second conveying belt, so as to adapt to the conveying of sheet products with different widths. The universal property is good. The elastic member is arranged between the pushing plate and the lifting plate. The elastic member has a tendency to move the pushing plate forward. The elastic member can absorb the pushing force of the pushing plate on the sheet product when the sheet product is stuck, so as to prevent the sheet product from being easily squeezed. The pressure sensor is arranged on the front end of the pushing plate and protrudes forward from the lifting plate. The pressure sensor can detect the size of the pushing force on the sheet product. When the pushing force is too large, the transferring plate is stopped from moving by the triggering of the pressure sensor, so as to control the size of the pushing force. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a front view of a preferred embodiment of the present application.

[0021] Figure 2 is Figure 1 is a perspective view of the present application. The cover is hidden and the viewing angle is adjusted for better display.

[0022] Figure 3 is Figure 2 is a partial enlarged view of A in

[0023] Figure 4 , Figure 5is Figure 2 A perspective view of the pushing mechanism.

[0024] Figure 6 is Figure 4 A partial enlarged view at B in the middle.

[0025] Wherein: 10. frame; 11. bearing table; 12. material box; 20. cover; 21. material box taking and placing window; 30. pushing mechanism; 31. support; 311. first mounting plate; 312. second mounting plate; 313. bottom plate; 314. first slide rail pair; 321. first conveying belt; 322. second conveying belt; 33. moving plate; 331. moving electric cylinder; 34. lifting plate; 341. lifting air cylinder; 35. pushing plate; 351. pressure sensor; 352. second slide rail pair; 353. transverse convex strip; 354. trigger strip; 36. elastic member; 361. buffer sensor; 37. driving shaft; 371. conveying motor; 38. lead screw; 381. lead screw nut; 382. distance adjusting motor; 39. material blocking plate; 391. material blocking air cylinder. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present application are described in detail below with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the scope of protection of the present application is more clearly defined.

[0027] The up-down, left-right, front-rear directions described in the present application refer to Figure 1 The up-down, left-right, front-rear directions in the

[0028] As Figures 1 to 6As shown, the sheet product boxing machine provided by the present application comprises a rack 10, a cover 20 and a pushing mechanism 30, wherein the rack 10 is provided with a bearing table 11 for placing a box 12, the bearing table 11 can simultaneously place at least two boxes 12 for sheet products, specifically, the bearing table 11 has two layers and is arranged in a spaced manner along the up-down direction, and each layer of the bearing table 11 can place ten boxes 12; the cover 20 is arranged on the rack 10, and a box taking and placing window 21 corresponding to the bearing table 12 is formed in the front part of the cover 20; the pushing mechanism 30 is used for pushing the sheet product into the box 12 placed on the bearing table 12, specifically, the pushing mechanism 30 comprises a support 31, a conveying belt, a moving plate 33, a lifting plate 34 and a pushing plate 35, wherein the support 31 is movably arranged in the cover 20 and located at the rear of the bearing table 11, the conveying belt is rotatably arranged on the support 31, the conveying belt is used for conveying the sheet product forward, the conveying belt comprises a first conveying belt 321 and a second conveying belt 322 which rotate synchronously and are arranged in parallel and spaced apart, and are respectively used for bearing the left and right sides of the bottom of the sheet product, so that the conveying belt can be used for conveying the sheet product forward, the moving plate 33 is movably connected to the support 31 through a moving cylinder 331, the lifting plate 34 is movably connected to the moving plate 33 through a lifting cylinder 341, the pushing plate 35 is movably connected to the front end of the lifting plate 34 and located above the conveying belt, when the lifting plate 34 moves downward, the pushing plate 35 can move downward together with the lifting plate 34 and extend into the gap between the first conveying belt 321 and the second conveying belt 322, and then, in cooperation with the forward movement of the moving plate 33, the sheet product is pushed into the box 12, the second conveying belt 322 can move left and right relative to the first conveying belt 321, so that the distance between the second conveying belt 322 and the first conveying belt 321 is adjustable, thereby adapting to the conveying of sheet products with different widths and having good versatility, an elastic element 36 is arranged between the pushing plate 35 and the lifting plate 34, the elastic element 36 has a tendency to drive the pushing plate 35 to move forward, when the positions of the sheet product and the box are misaligned, the pushing force applied to the sheet product by the moving plate 33 through the lifting plate 34 and the pushing plate 35 can be absorbed by the deformation of the elastic element 36, so that the sheet product is not easily damaged, when the misalignment is slight, the energy released after the deformation of the elastic element 36 can apply an additional pushing force (impact force) to the sheet product, so that the front end of the sheet product is slightly deformed (without damaging the sheet product), thereby entering the box 12, in order to limit the size of the pushing force (impact force) and avoid partial damage due to excessive deformation of the sheet product, a pressure sensor 351 protruding forward from the lifting plate 34 is arranged at the front end of the pushing plate 35, the pushing plate 35 pushes against the rear end of the sheet product through the pressure sensor 351, the pressure sensor 351 is electrically connected with the controller of the moving cylinder 331, when the pressure sensor 351 is triggered, the moving cylinder 331 stops moving,In order to avoid that the sheet product is completely damaged when the material is blocked due to the failure (not triggering) of the pressure sensor 351, the buffer sensor 361 for detecting the deformation amount of the elastic member 36 is arranged on the lifting plate 34, and the buffer sensor 361 is electrically connected with the controller of the transfer electric cylinder 331. When the buffer sensor 361 is triggered, the transfer electric cylinder 331 stops moving. The advantage of this arrangement is that when the material is blocked with slight misalignment, the sheet product can be slightly deformed by being pushed to realize the pushing of the material into the box, and the deformation degree of the sheet product can be controlled by the pressure sensor to avoid partial damage of the sheet product due to excessive deformation. In addition, when the pressure sensor fails, the deformation amount of the elastic member can be detected by the buffer sensor to avoid complete damage of the sheet product, thereby realizing the function of double protection.

[0029] In the embodiment, the support 31 comprises a first mounting plate 311 for mounting the first conveying belt 321 and a second mounting plate 312 for mounting the second conveying belt 322. The first mounting plate 311 is connected with a rotatable drive shaft 37 and a rotatable lead screw 38. The drive shaft 37 and the lead screw 37 are arranged in parallel. The drive shaft 37 and the lead screw 38 both penetrate the second mounting plate 312. The drive shaft 37 is connected with a conveying motor 371 arranged on the bottom plate 313 of the support 31, for driving the first conveying belt 321 and the second conveying belt 322 to rotate synchronously. The lead screw 38 cooperates with a lead nut 381 arranged on the second mounting plate 312, and is connected with a distance adjusting motor 382 arranged on the bottom plate 313. The lead screw 38 is used to drive the second mounting plate 312 to move left and right relative to the first mounting plate 311.

[0030] The advantage of this arrangement is that the drive shaft can be used to drive the two conveying belts to rotate synchronously, the lead screw and the lead nut can be used to drive the second mounting plate to move left and right, and the drive shaft, the lead screw and the lead nut can be used to guide the second mounting plate.

[0031] In order to realize the function of transmission and guidance of the drive shaft 37 and facilitate the arrangement, in the embodiment, the cross section of the drive shaft 37 is a regular hexagon. Whether the drive shaft 37 rotates or not, the drive shaft 37 can guide the movement of the second mounting plate 312.

[0032] In order to reduce the load of the drive shaft 37 and the lead screw 38 during the guidance, in the embodiment, the bottom of the second mounting plate 312 is connected with the bottom plate 313 of the support 31 through a first slide rail pair 314.

[0033] In the embodiment, the pushing plate 35 is connected to the lifting plate 34 through a second slide rail pair 352, the second slide rail pair 352 extends in the front-rear direction, the two ends of the elastic member 36 are respectively connected to the sliding block of the second slide rail pair 352 and the lifting plate 34, the elastic member 36 is a tension spring, the pressure value when the pressure sensor 351 triggers is less than the maximum tension value of the tension spring, the pressure sensor 351 is in a cylindrical shape, the front end of the pressure sensor 351 is provided with a transverse convex strip matched with the sheet product, in another embodiment, the pressure value when the pressure sensor 351 triggers is adjustable, and the sheet product in the corresponding box 12 can be automatically matched according to the moving position of the support 31.

[0034] In the embodiment, in order to improve the boxing efficiency of the sheet product, the pushing mechanism 30 has two groups, and the two groups of pushing mechanisms 30 are symmetrically arranged along the left-right direction.

[0035] In order to facilitate the alignment of the sheet product and avoid deflection, the front part of the support 31 is provided with a liftable blocking plate 39, the blocking plate 39 is located between the first conveying belt 321 and the second conveying belt 322, and the blocking plate 39 is connected to the blocking cylinder 391 connected to the support 31.

[0036] It should be noted that the slide rail pair in the application includes a slide rail and a sliding block, and the sheet product in the application includes a PCB board, a carrier and a substrate.

[0037] The above embodiments are only for illustrating the technical concept and characteristics of the application, and the purpose is to enable those skilled in the art to understand the content of the application and implement it, and cannot limit the protection scope of the application. Any equivalent changes or modifications made according to the spirit and essence of the application shall be covered within the protection scope of the application.

Claims

1. A cartoning machine for sheet products, comprising: It is equipped with a frame for placing material boxes on a support platform; The cover mounted on the frame has a material box loading and unloading window at the front that corresponds to the support platform. A pushing mechanism for pushing sheet products into a material box on a carrier platform includes a support, a conveyor belt, a transfer plate, a lifting plate, and a pushing plate. The support is movable up and down and left and right inside the housing and located behind the carrier platform. The conveyor belt is rotatably mounted on the support and is used to transport sheet products forward. The conveyor belt includes a first conveyor belt and a second conveyor belt that rotate synchronously and are arranged in parallel intervals. The second conveyor belt is movable left and right relative to the first conveyor belt. The transfer plate is movable back and forth on the support via a transfer cylinder. The lifting plate is movable up and down on the transfer plate. The pushing plate is movable back and forth on the front end of the lifting plate. The pushing plate can move downward with the lifting plate and extend into the gap between the first and second conveyor belts to push the product. An elastic element is provided between the pushing plate and the lifting plate, and the elastic element has a tendency to drive the pushing plate forward. Its features are: The front end of the pusher plate is equipped with a cylindrical pressure sensor that protrudes forward from the lifting plate. The pusher plate presses against the rear end of the sheet product through the pressure sensor. The front end of the pressure sensor is equipped with a transverse protrusion that matches the sheet product. The pressure value when the pressure sensor is triggered is adjustable and is less than or equal to the maximum tensile force of the elastic element. The pressure sensor is electrically connected to the controller of the transfer cylinder. When it is triggered, the transfer cylinder stops moving.

2. The sheet product cartoning machine according to claim 1, characterized in that: The bracket includes a first mounting plate for mounting the first conveyor belt and a second mounting plate for mounting the second conveyor belt. A rotatable drive shaft and a rotatable lead screw are connected to the first mounting plate. The drive shaft and the lead screw are arranged in parallel and both pass through the second mounting plate. The drive shaft is used to drive the first and second conveyor belts to rotate synchronously. The lead screw cooperates with a nut on the second mounting plate to drive the second mounting plate to move left and right relative to the first mounting plate.

3. The sheet product cartoning machine according to claim 2, characterized in that: The drive shaft has a polygonal cross-section and is also used to guide the movement of the second mounting plate.

4. The sheet product cartoning machine according to claim 2, characterized in that: The bottom of the second mounting plate is connected to the base plate of the bracket via a first slide rail pair.

5. The sheet product cartoning machine according to claim 4, characterized in that: The base plate is equipped with a conveyor motor for driving the drive shaft and an adjustable pitch motor for driving the lead screw to rotate.

6. The sheet product cartoning machine according to claim 1, characterized in that: The pusher plate is connected to the lifting plate via a second slide rail pair, which extends in the front-to-back direction. The two ends of the elastic element are connected to the slider of the second slide rail pair and the lifting plate. The elastic element includes a tension spring.

7. The sheet product cartoning machine according to claim 1, characterized in that: There are two sets of the pushing mechanism, which are symmetrically arranged in the left-right direction.

8. The sheet product cartoning machine according to claim 1, characterized in that: The front of the support is provided with a liftable baffle plate, which is located between the first conveyor belt and the second conveyor belt.

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