A buffer structure for special-shaped plate palletizer

Abstract

The present invention relates to the technical field of palletizers, and more specifically, to a buffer structure for a palletizer for special-shaped plates, including a mounting sleeve, wherein the outer wall of the mounting sleeve is provided with a plurality of bearings, a rotating ring is fixedly installed at the rotating end of each bearing, and a groove is provided on the surface of the opposite side of each two rotating rings. In the present invention, after the special-shaped plate moves to the top of the pallet, the staff starts the motor so that the output shaft drives the second screw to rotate, so that the lifting plate drives the pressing plate to descend, and then the staff controls the mounting sleeve to descend, and the connecting plate moves with the limiting rod, so that the special-shaped plate fits with the pallet or other special-shaped plates on the pallet. When the connecting plate moves, the top block can push the pressing plate, the second spring is compressed, and the suction cup no longer adsorbs the special-shaped plate, so that the special-shaped plate is stacked on the pallet or the upper end of other special-shaped plates. During the palletizing process, the special-shaped plate fits with the pallet or other special-shaped plates to prevent damage to the special-shaped plate.

Description

Technical Field

[0001] The invention relates to the technical field of palletizers, and in particular to a buffer structure for a special-shaped plate palletizer. Background Art

[0002] The special-shaped plate stacker is an automated stacking device designed specifically for handling special-shaped plates. It can automatically stack the special-shaped plates loaded on containers or conveyors onto pallets or cargo trays according to the preset process requirements and arrangement methods to achieve multi-layer stacking. For example, the palletizer proposed in the publication number "CN211109952U" has a lifting mechanism installed on a hollow frame connected on both sides, and a lifting bottom plate that is lifted and lowered with the lifting mechanism installed inside. The frame is also equipped with a suction cup group and a telescopic cylinder that drives the suction cup group to lift and lower through a transplanting mechanism. When working, the pallet for stacking products is placed on the lifting bottom plate, and then the lifting mechanism drives the pallet to rise to the position opposite to the production line. The transplanting mechanism drives the suction cup group to stack the products on the production line onto the pallet. After one layer is stacked, the lifting mechanism drives the pallet to drop one layer to continue stacking, and then the above process is repeated until the stacking is completed. The palletizer works fast and stably, and its structure is simple and its size is small. It can be conveniently placed on the side of the production line for palletizing operations. The lifting mechanism and the transplanting mechanism are independent of each other, which can not only improve work efficiency, but also facilitate installation and maintenance, and make the work more accurate and stable.

[0003] However, in the above technical solution, when the lifting mechanism of the above-mentioned palletizer drives the product to descend and palletize, there is a small distance between the product and the pallet. This distance is difficult to be recognized by the sensor equipment, resulting in the product falling and colliding with the pallet below or other products after the staff controls the suction cup to stop adsorption, which can easily cause damage to the product and increase production costs. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a buffer structure for a palletizer for special-shaped plates, which solves the problem that when the lifting mechanism of the palletizer in the prior art drives the product to descend and perform palletizing, there is a small distance between the product and the pallet, and this distance is difficult to be recognized by the sensor equipment, resulting in the product falling after the staff controls the suction cup to stop adsorption, and collides with the pallet below or other products, which can easily cause damage to the product and increase production costs.

[0005] To achieve the above object, the technical solution adopted by the present invention is:

[0006] A buffer structure for a special-shaped plate palletizer, comprising a mounting sleeve, wherein the outer wall of the mounting sleeve is provided with a plurality of bearings, a rotating ring is fixedly installed at the rotating end of each bearing, and a groove is provided on the surface of the opposite side of each two rotating rings;

[0007] The outer walls of the two rotating rings located at the top are fixedly mounted with a first horizontal plate through a support frame, and the outer walls of the two rotating rings located at the bottom are fixedly mounted with a second horizontal plate through a right-angle frame. A plurality of limit rods are slidably arranged on the upper surfaces of the two first horizontal plates and the second horizontal plates, and a first spring is sleeved on one side of the rod body of each limit rod;

[0008] The lower ends of the adjacent limiting rods are commonly fixed with a connecting plate, the lower end of each connecting plate is movably provided with a plurality of movable plates, and the lower surface of each movable plate is provided with a plurality of suction cups;

[0009] A three-way hose is commonly arranged on one side of the adjacent connecting plates, and a vacuum pumping assembly for vacuuming is installed in the installation sleeve.

[0010] Preferably, the vacuum assembly includes a mounting plate, which is fixedly installed in a mounting sleeve, a vacuum pump is provided on the lower surface of the mounting plate, a connecting pipe is fixedly installed at the lower end of the vacuum pump, a plurality of vacuum hoses are fixedly installed through the bottom of the connecting pipe, and one end of each vacuum hose is fixedly connected to a corresponding three-way hose.

[0011] Preferably, a blocking plate is provided at the pipe opening of the connecting pipe;

[0012] A fixing frame is fixedly mounted on the lower surface of the blocking plate, a motor is fixedly mounted on one side of the lower surface of the fixing frame, a second screw is fixedly mounted on the output shaft end of the motor, a lifting plate is threadedly arranged on one side of the second screw, and a pressing plate is fixedly mounted on the lower surface of the lifting plate through a vertical rod;

[0013] A positioning rod is fixedly mounted on the other side of the lower surface of the fixing frame, and the lifting plate is slidably arranged on one side of the positioning rod body;

[0014] A plurality of support rods are fixedly installed at the bottom of the connecting pipe, and the blocking plates are slidably arranged on one side of each support rod, and a second spring is sleeved on one side of each support rod;

[0015] A bottom plate is fixedly mounted on the lower end of the mounting sleeve, a moving rod is slidably arranged on the upper surface of the bottom plate, and a top block is fixedly mounted on the upper end of the moving rod.

[0016] Preferably, rotating columns are rotatably installed on both sides of the lower surface of each connecting plate, and the lower end of each rotating column is fixedly connected to the corresponding movable plate.

[0017] Preferably, a support groove is formed through one side surface of each rotating column body, and a first screw rod is rotatably installed between two sides of the inner wall of each supporting groove;

[0018] A support block is slidably arranged in each of the support grooves, each of the support blocks is threadedly arranged on one side of the corresponding first screw rod body, and a pressure ring is fixedly installed on the lower surface of each of the support blocks;

[0019] The upper end of each of the first screw rods passes through the corresponding rotating column and is fixedly mounted with a rotating wheel.

[0020] Preferably, a support plate is fixedly installed in the middle of the lower surface of each connecting plate, a slide groove is opened on the lower surface of each supporting plate, a slider is slidably arranged in each slide groove, and the lower surface of each slider is fixedly connected to the corresponding movable plate;

[0021] A control structure for controlling the movement of the sliding block is respectively arranged in each of the sliding grooves.

[0022] Preferably, the control structure includes a threaded rod, which is rotatably installed between the two sides of the corresponding inner wall of the slide groove, and the slider thread is arranged on one side of the corresponding threaded rod body. One end of each threaded rod passes through the corresponding support plate and is fixedly installed with a handwheel.

[0023] Preferably, a plurality of limit grooves are formed through the inner wall surface of the installation sleeve, a cross plate is slidably disposed in each limit groove, and a positioning ring is fixedly mounted on the lower surface of the cross plate;

[0024] A driving structure for driving the cross plate to move is arranged in the installation sleeve.

[0025] Preferably, the driving structure comprises a circular plate, the circular plate is fixedly mounted in a mounting sleeve, a cylinder is fixedly mounted on the lower surface of the circular plate, and an output end of the cylinder is fixedly connected to a cross plate.

[0026] Preferably, the mounting sleeve body is provided with a flange.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. After the special-shaped plate moves to the top of the pallet, the staff starts the motor to make its output shaft drive the second screw to rotate, so that the lifting plate drives the pressure plate to descend, and then the staff controls the installation sleeve to descend. At this time, under the sliding action of the limit rod, the connecting plate follows the limit rod to move, so that the special-shaped plate fits with the pallet or other special-shaped plates on the pallet. While the connecting plate moves, the special-shaped plate can push the moving rod, so that the top block can push the pressure plate, so that the blocking plate moves along the direction of the support rod, and the second spring is compressed. After the outside air enters the vacuum pump through the gap between the connecting pipe orifice and the blocking plate, the suction cup no longer absorbs the special-shaped plate, so that the special-shaped plate is stacked on the pallet or the upper end of other special-shaped plates. During the stacking process, the special-shaped plate is placed in close contact with the pallet or other special-shaped plates to prevent damage to the special-shaped plate.

[0029] 2. When the staff needs to use suction cups to absorb special-shaped plates of different shapes, the staff rotates the first horizontal plate and the second horizontal plate to facilitate the staff to adjust the positions of the corresponding suction cups under the first horizontal plate and the second horizontal plate according to the shapes and center of gravity of the different special-shaped plates.

[0030] 3. The staff rotates the corresponding movable plate to make it rotate based on the rotating column. After rotating the movable plate and the suction cup thereunder to a suitable angle, the staff rotates the rotating wheel to drive the first screw to rotate, so that the support block can move along the support groove. After the pressure ring presses the connecting plate, the position of the rotating column is fixed, so that the staff can further adjust the angle of the corresponding suction cup according to the shape and center of gravity of the special-shaped plate, thereby further increasing the flexibility of adjustment.

[0031] 4. The staff rotates the rotating wheel to drive the threaded rod to rotate, so that the slider and the corresponding suction cup move along the slide groove, which is convenient for the staff to further adjust the position of the suction cup according to the center of gravity and shape of the special-shaped plate, thereby further increasing the flexibility of adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the overall structure of a buffer structure for a special-shaped plate palletizer of the present invention;

[0033] Figure 2 This is a schematic structural diagram of the other side of a buffer structure for a special-shaped plate palletizer according to the present invention;

[0034] Figure 3 It is a schematic diagram of a top view of a buffer structure for a special-shaped plate palletizer according to the present invention;

[0035] Figure 4 A buffer structure for a special-shaped plate palletizer according to the present invention Figure 3 Schematic diagram of the cross-section structure at AA in the middle;

[0036] Figure 5 A buffer structure for a special-shaped plate palletizer according to the present invention Figure 3 Schematic diagram of the cross-section structure at BB in the middle;

[0037] Figure 6 A buffer structure for a special-shaped plate palletizer according to the present invention Figure 1 The enlarged structural diagram at C in the middle;

[0038] Figure 7 A buffer structure for a special-shaped plate palletizer according to the present invention Figure 4 The enlarged structural diagram at D in the middle;

[0039] Figure 8 A buffer structure for a special-shaped plate palletizer according to the present invention Figure 4 The enlarged structural diagram at E in the middle;

[0040] Fig. 9 A buffer structure for a special-shaped plate palletizer according to the present invention Figure 5 Schematic diagram of the enlarged structure at F in the middle.

[0041] In the figure: 1, mounting sleeve; 2, bearing; 3, rotating ring; 4, groove; 5, supporting frame; 6, first horizontal plate; 7, right angle frame; 8, second horizontal plate; 9, limiting rod; 901, first spring; 10, connecting plate; 11, moving plate; 12, suction cup; 13, three-way hose; 14, vacuum assembly; 1401, mounting plate; 1402, vacuum pump; 1403, connecting pipe; 1404, exhaust hose; 15, rotating column; 16, supporting groove; 17, first screw rod; 18, supporting block; 19, pressure ring; 20, rotating wheel; 2 1. Support plate; 22. Slide groove; 23. Slider; 24. Control structure; 2401. Threaded rod; 2402. Hand wheel; 25. Limiting groove; 26. Cross plate; 27. Positioning ring; 28. Driving structure; 2801. Round plate; 2802. Cylinder; 29. ​​Blocking plate; 30. Fixed frame; 31. Motor; 32. Second screw rod; 33. Lifting plate; 34. Vertical rod; 35. Pressing plate; 36. Positioning rod; 37. Support rod; 38. Second spring; 39. Bottom plate; 40. Moving rod; 41. Top block; 42. Flange. DETAILED DESCRIPTION

[0042] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0043] like Figure 1-Figure 9As shown, a buffer structure for a special-shaped plate palletizer includes a mounting sleeve 1, a plurality of bearings 2 are sleeved on the outer wall of the mounting sleeve 1, a rotating ring 3 is fixedly mounted on the rotating end of each bearing 2, and a groove 4 is formed on the surface of the opposite side of each two rotating rings 3;

[0044] The outer walls of the two upper rotating rings 3 are fixedly mounted with first transverse plates 6 through support frames 5, and the outer walls of the two lower rotating rings 3 are fixedly mounted with second transverse plates 8 through right-angle frames 7. A plurality of limit rods 9 are slidably disposed on the upper surfaces of the two first transverse plates 6 and the second transverse plates 8, and a first spring 901 is sleeved on one side of the rod body of each limit rod 9;

[0045] The lower ends of adjacent limiting rods 9 are commonly fixed with connecting plates 10, and the lower end of each connecting plate 10 is movably provided with a plurality of movable plates 11, and the lower surface of each movable plate 11 is provided with a plurality of suction cups 12;

[0046] A three-way hose 13 is commonly provided on one side of the adjacent connecting plates 10 , and a vacuum pumping assembly 14 for vacuuming is installed in the mounting sleeve 1 .

[0047] The vacuum assembly 14 includes a mounting plate 1401, which is fixedly installed in the mounting sleeve 1. A vacuum pump 1402 is arranged on the lower surface of the mounting plate 1401. A connecting pipe 1403 is fixedly installed at the lower end of the vacuum pump 1402. A plurality of vacuum hoses 1404 are fixedly installed through the bottom of the connecting pipe 1403. One end of each vacuum hose 1404 is fixedly connected to the corresponding three-way hose 13.

[0048] A blocking plate 29 is provided at the pipe opening of the connecting pipe 1403;

[0049] A fixing frame 30 is fixedly mounted on the lower surface of the blocking plate 29, a motor 31 is fixedly mounted on one side of the lower surface of the fixing frame 30, a second screw rod 32 is fixedly mounted on the output shaft end of the motor 31, a lifting plate 33 is threadedly arranged on one side of the shaft of the second screw rod 32, and a pressing plate 35 is fixedly mounted on the lower surface of the lifting plate 33 through a vertical rod 34;

[0050] A positioning rod 36 is fixedly installed on the other side of the lower surface of the fixing frame 30, and the lifting plate 33 is slidably arranged on one side of the rod body of the positioning rod 36;

[0051] A plurality of support rods 37 are fixedly installed at the bottom of the connecting tube 1403, and a blocking plate 29 is slidably arranged on one side of each support rod 37, and a second spring 38 is sleeved on one side of each support rod 37;

[0052] A bottom plate 39 is fixedly mounted on the lower end of the mounting sleeve 1 , a moving rod 40 is slidably disposed through the upper surface of the bottom plate 39 , and a top block 41 is fixedly mounted on the upper end of the moving rod 40 .

[0053] Through the above technical solution, the staff controls the installation sleeve 1 to move to the position of the special-shaped plate, and then the staff controls the installation sleeve 1 to descend. Under the elastic force generated by the compression of the first spring 901, the suction cup 12 can fit the special-shaped plate firmly. Then the staff starts the vacuum pump 1402 to evacuate the inside of the suction cup 12 so that the suction cup 12 can adsorb the special-shaped plate. After the special-shaped plate moves to the top of the pallet, the staff starts the motor 31 so that its output shaft drives the second screw 32 to rotate, so that the lifting plate 33 drives the pressure plate 35 to descend, and then the staff controls the installation sleeve 1 to descend. At this time, under the sliding action of the limit rod 9, the connecting plate 10 moves with the limit rod 9, so that the special-shaped plate and the pallet or other special-shaped plates on the pallet are fixed to each other. Fitting, when the connecting plate 10 moves, the special-shaped plate can push the moving rod 40, so that the top block 41 can push the pressure plate 35, so that the sealing plate 29 moves along the direction of the support rod 37, and the second spring 38 is compressed. After the outside air enters the vacuum pump 1402 through the gap between the pipe mouth of the connecting pipe 1403 and the sealing plate 29, the suction cup 12 no longer adsorbs the special-shaped plate, so that the special-shaped plate is stacked on the pallet or the upper end of other special-shaped plates, thereby completing palletizing, and during the palletizing process, the special-shaped plate is placed in close contact with the pallet or other special-shaped plates to avoid the special-shaped plate falling a certain distance after the suction cup 12 stops adsorbing, causing it to collide with the pallet or other special-shaped plates below, thereby preventing damage to the special-shaped plate and reducing production costs.

[0054] When the staff needs to use the suction cup 12 to absorb the special-shaped plates of different shapes, the staff can rotate the first horizontal plate 6 and the second horizontal plate 8, so that the staff can adjust the positions of the corresponding suction cups 12 under the first horizontal plate 6 and the second horizontal plate 8 according to the shapes and center of gravity of the different special-shaped plates.

[0055] like Figure 1 , Fig. 9 As shown, in this embodiment, rotating columns 15 are rotatably installed through both sides of the lower surface of each connecting plate 10 , and the lower end of each rotating column 15 is fixedly connected to the corresponding moving plate 11 .

[0056] like Figure 1 , Fig. 9 As shown, it should be noted that a support groove 16 is formed through the surface of one side of the column body of each rotating column 15, and a first screw rod 17 is rotatably installed between the two sides of the inner wall of each supporting groove 16;

[0057] A support block 18 is slidably disposed in each support groove 16, and each support block 18 is threadedly disposed on one side of the corresponding first screw rod 17, and a pressure ring 19 is fixedly mounted on the lower surface of each support block 18;

[0058] The upper end of each first screw rod 17 passes through the corresponding rotating column 15 and is fixedly mounted with a rotating wheel 20 .

[0059] The staff rotates the corresponding movable plate 11 to make it rotate based on the rotating column 15. After rotating the movable plate 11 and the suction cup 12 thereunder to a suitable angle, the staff rotates the rotating wheel 20 to drive the first screw 17 to rotate, so that the support block 18 can move along the support groove 16. After the pressure ring 19 presses the connecting plate 10, the position of the rotating column 15 is fixed, so that the staff can further adjust the angle of the corresponding suction cup 12 according to the shape and center of gravity of the special-shaped plate, thereby further increasing the flexibility of adjustment.

[0060] like Figure 2 , Figure 4 , Figure 5 As shown, it can be understood that in the present application, a support plate 21 is fixedly installed in the middle of the lower surface of each connecting plate 10, a slide groove 22 is opened on the lower surface of each support plate 21, a slider 23 is slidably arranged in each slide groove 22, and the lower surface of each slider 23 is fixedly connected to the corresponding moving plate 11;

[0061] A control structure 24 for controlling the movement of the slider 23 is disposed in each slide groove 22 .

[0062] The control structure 24 includes a threaded rod 2401, which is rotatably installed between the two sides of the inner wall of the corresponding slide groove 22, and the slider 23 is threadedly arranged on one side of the rod body of the corresponding threaded rod 2401. One end of each threaded rod 2401 passes through the corresponding support plate 21 and is fixedly installed with a handwheel 2402.

[0063] The staff turns the hand wheel 2402 to drive the threaded rod 2401 to rotate, so that the slider 23 and the corresponding suction cup 12 move along the slide groove 22, which is convenient for the staff to further adjust the position of the suction cup 12 according to the center of gravity and shape of the special-shaped plate, further increasing the flexibility of adjustment.

[0064] like Figure 1 , Figure 5 , Figure 7 As shown, it can be understood that in the present application, a plurality of limit grooves 25 are formed through the inner wall surface of the installation sleeve 1, a cross plate 26 is slidably disposed in each limit groove 25, and a positioning ring 27 is fixedly mounted on the lower surface of the cross plate 26;

[0065] A driving structure 28 for driving the cross plate 26 to move is arranged in the mounting sleeve 1 .

[0066] The driving structure 28 includes a circular plate 2801 , which is fixedly mounted in the mounting sleeve 1 . A cylinder 2802 is fixedly mounted on the lower surface of the circular plate 2801 , and an output end of the cylinder 2802 is fixedly connected to the cross plate 26 .

[0067] The staff starts the cylinder 2802 so that its output end drives the cross plate 26 to move, so that the cross plate 26 drives the positioning ring 27 to descend, so that the positioning ring 27 can press the first cross plate 6 and the second cross plate 8 to fix their positions.

[0068] like Figure 1 As shown, it can be understood that in the present application, the mounting sleeve 1 is provided with a flange 42 on its sleeve body.

[0069] By providing the flange 42 , the worker can install the installation sleeve 1 on the moving end of the manipulator.

[0070] The working principle of the buffer structure for special-shaped plate palletizer:

[0071] When in use, first, the staff controls the installation sleeve 1 to move to the position of the special-shaped plate, and then the staff controls the installation sleeve 1 to descend. Under the elastic force generated by the compression of the first spring 901, the suction cup 12 can fit the special-shaped plate firmly. Then the staff starts the vacuum pump 1402 to evacuate the inside of the suction cup 12 so that the suction cup 12 can adsorb the special-shaped plate. After the special-shaped plate moves to the top of the tray, the staff starts the motor 31 so that its output shaft drives the second screw rod 32 to rotate, so that the lifting plate 33 drives the pressing plate 35 to descend, and then the staff controls the installation sleeve 1 to descend. At this time, under the sliding action of the limit rod 9, the connecting plate 10 follows the limit rod 9 to move, so that the special-shaped plate is attached to the tray or other special-shaped plates on the tray. When the connecting plate 10 moves, the special-shaped plate can push the moving rod 40, so that the top block 41 can push the pressure plate 35, so that the sealing plate 29 moves along the direction of the support rod 37, and the second spring 38 is compressed. After the outside air enters the vacuum pump 1402 through the gap between the connecting pipe 1403 and the sealing plate 29, the suction cup 12 no longer adsorbs the special-shaped plate, so that the special-shaped plate is stacked on the pallet or the upper end of other special-shaped plates, thereby completing palletizing. In the palletizing process, the special-shaped plate is placed in close contact with the pallet or other special-shaped plates to avoid the special-shaped plate falling a certain distance after the suction cup 12 stops adsorbing, causing it to collide with the pallet or other special-shaped plates below, thereby preventing damage to the special-shaped plate and reducing production costs.

[0072] The above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A buffer structure for a special-shaped plate palletizer, comprising a mounting sleeve (1), characterized in that: The outer wall of the mounting sleeve (1) is provided with a plurality of bearings (2), a rotating ring (3) is fixedly mounted on the rotating end of each bearing (2), and a groove (4) is provided on the surface of the opposite side of each two rotating rings (3); The outer walls of the two rotating rings (3) located at the top are fixedly mounted with a first transverse plate (6) via a support frame (5); the outer walls of the two rotating rings (3) located at the bottom are fixedly mounted with a second transverse plate (8) via a right-angle frame (7); a plurality of limit rods (9) are slidably disposed through the upper surfaces of the two first transverse plates (6) and the second transverse plates (8); and a first spring (901) is sleeved on one side of the rod body of each limit rod (9); A connecting plate (10) is fixedly mounted on the lower ends of adjacent limiting rods (9), a plurality of movable plates (11) are movably arranged on the lower end of each connecting plate (10), and a plurality of suction cups (12) are arranged on the lower surface of each movable plate (11); A three-way hose (13) is commonly provided on one side of the adjacent connecting plates (10), and a vacuum pumping assembly (14) for vacuuming is installed in the installation sleeve (1); The vacuum pumping assembly (14) comprises a mounting plate (1401), the mounting plate (1401) being fixedly mounted in the mounting sleeve (1), a vacuum pump (1402) being arranged on the lower surface of the mounting plate (1401), a connecting pipe (1403) being fixedly mounted on the lower end of the vacuum pump (1402), a plurality of vacuum hoses (1404) being fixedly mounted through the bottom of the connecting pipe (1403), one end of each of the vacuum hoses (1404) being fixedly connected to a corresponding three-way hose (13); A blocking plate (29) is provided at the pipe opening of the connecting pipe (1403); A fixing frame (30) is fixedly mounted on the lower surface of the blocking plate (29); a motor (31) is fixedly mounted on one side of the lower surface of the fixing frame (30); a second screw rod (32) is fixedly mounted on the output shaft end of the motor (31); a lifting plate (33) is threadedly mounted on one side of the shaft of the second screw rod (32); and a pressing plate (35) is fixedly mounted on the lower surface of the lifting plate (33) via a vertical rod (34); A positioning rod (36) is fixedly mounted on the other side of the lower surface of the fixing frame (30), and the lifting plate (33) is slidably arranged on one side of the rod body of the positioning rod (36); A plurality of support rods (37) are fixedly mounted on the bottom of the connecting tube (1403); the blocking plate (29) is slidably mounted on one side of the shaft of each support rod (37); and a second spring (38) is sleeved on one side of the shaft of each support rod (37); A bottom plate (39) is fixedly mounted on the lower end of the mounting sleeve (1), a moving rod (40) is slidably disposed through the upper surface of the bottom plate (39), and a top block (41) is fixedly mounted on the upper end of the moving rod (40).

2. The buffer structure for a special-shaped plate palletizer according to claim 1, characterized in that: A rotating column (15) is rotatably mounted through both sides of the lower surface of each connecting plate (10), and the lower end of each rotating column (15) is fixedly connected to the corresponding movable plate (11).

3. The buffer structure for a special-shaped plate palletizer according to claim 2, characterized in that: A support groove (16) is formed through the surface of one side of the body of each rotating column (15), and a first screw rod (17) is rotatably mounted between two sides of the inner wall of each supporting groove (16); A support block (18) is slidably disposed in each of the support grooves (16); each of the support blocks (18) is threadedly disposed on one side of the corresponding first screw rod (17); and a pressure ring (19) is fixedly mounted on the lower surface of each of the support blocks (18); The upper end of each of the first screw rods (17) passes through the corresponding rotating column (15) and is fixedly mounted with a rotating wheel (20).

4. The buffer structure for a special-shaped plate palletizer according to claim 3, characterized in that: A support plate (21) is fixedly mounted on the middle of the lower surface of each connecting plate (10), a slide groove (22) is provided on the lower surface of each supporting plate (21), a slider (23) is slidably arranged in each slide groove (22), and the lower surface of each slider (23) is fixedly connected to the corresponding movable plate (11); A control structure (24) for controlling the movement of the sliding block (23) is provided in each of the sliding grooves (22).

5. The buffer structure for a special-shaped plate palletizer according to claim 4, characterized in that: The control structure (24) comprises a threaded rod (2401), wherein the threaded rod (2401) is rotatably mounted between two sides of the inner wall of the corresponding slide groove (22), the slider (23) is threadedly arranged on one side of the rod body of the corresponding threaded rod (2401), and one end of each threaded rod (2401) passes through the corresponding support plate (21) and is fixedly mounted with a hand wheel (2402).

6. The buffer structure for a special-shaped plate palletizer according to claim 1, characterized in that: The inner wall surface of the installation sleeve (1) is provided with a plurality of limit grooves (25), each of the limit grooves (25) is slidably provided with a cross plate (26), and a positioning ring (27) is fixedly installed on the lower surface of the cross plate (26); A driving structure (28) for driving the cross plate (26) to move is arranged in the installation sleeve (1).

7. The buffer structure for a special-shaped plate palletizer according to claim 6, characterized in that: The driving structure (28) comprises a circular plate (2801), wherein the circular plate (2801) is fixedly mounted in the mounting sleeve (1), a cylinder (2802) is fixedly mounted on the lower surface of the circular plate (2801), and an output end of the cylinder (2802) is fixedly connected to the cross plate (26).

8. The buffer structure for a special-shaped plate palletizer according to claim 1, characterized in that: The installation sleeve (1) is provided with a flange (42) on its sleeve body.

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