CN114506107A

CN114506107A - Honeycomb panel composite equipment

Info

Publication number: CN114506107A
Application number: CN202210111040.8A
Authority: CN
Inventors: 何海潮; 刘红彬; 宋红伟
Original assignee: Suzhou Jwell Film Membrane Intelligent Equipment Co ltd
Current assignee: Suzhou Jwell Film Membrane Intelligent Equipment Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-05-17

Abstract

The honeycomb plate compounding equipment comprises a heating device, a compounding device, an oven, a cooling device, a trimming device, a cutting device, a conveying device and a collecting device which are sequentially arranged, wherein a deviation correcting device is arranged between the cooling device and the trimming device, and sensing devices for detecting two side edges of a plate are arranged between the cooling device and the deviation correcting device and between the trimming device and the cutting device; the deviation correcting mechanism comprises a bottom plate and a rotatable supporting frame arranged on the bottom plate, an upper conveying roller and a lower conveying roller which are used for conveying plates are arranged on the supporting frame, a driving piece used for driving the supporting frame to rotate is arranged on the bottom plate, and the driving piece and the sensing device are connected with a controller together. This application has the effect of correcting the direction of delivery of panel, improving holistic production efficiency.

Description

Honeycomb panel composite equipment

Technical Field

The application relates to the field of honeycomb panel preparation, in particular to honeycomb panel compound equipment.

Background

The PP cellular board generally consists of a polypropylene plastic surface layer, a polypropylene plastic cellular layer and a polypropylene plastic bottom layer, and has a cellular structure, so that the PP cellular board has excellent compressive strength and shear strength, and also has the characteristics of sound insulation, impact resistance and load sharing. The preparation process of the PP honeycomb plate generally comprises the steps of extrusion molding of a surface layer, a honeycomb layer and a bottom layer, preheating and compounding, tempering, cooling, trimming, cutting and collecting.

At present, the whole production process of the PP cellular board is automated, but in the actual production process, the deviation of the conveying direction of the board often occurs to cause the error of trimming, so that workers are required to detect the trimming operation in real time, and a machine is paused to adjust the conveying direction of the board, thereby causing the lower whole production efficiency. To this end, the present application provides a cellular board compounding device.

Disclosure of Invention

In order to improve the production efficiency of honeycomb panel, this application provides a honeycomb panel equipment complex.

The application provides a cellular board equipment complex adopts following technical scheme:

a honeycomb plate compounding device, which comprises a heating device, a compounding device, an oven, a cooling device, a trimming device, a cutting device, a conveying device and a collecting device which are arranged in sequence,

a deviation correcting device is arranged between the cooling device and the trimming device, and sensing devices for detecting two side edges of the plate are arranged between the cooling device and the deviation correcting device and between the trimming device and the cutting device;

the deviation correcting mechanism comprises a bottom plate and a rotatable supporting frame arranged on the bottom plate, an upper conveying roller and a lower conveying roller which are used for conveying plates are arranged on the supporting frame, a driving piece used for driving the supporting frame to rotate is arranged on the bottom plate, and the driving piece and the sensing device are connected with a controller together.

Through adopting above-mentioned technical scheme, whether the direction of delivery that utilizes induction system response panel takes place the skew, when taking place the skew, the signal is accepted to the controller, and steerable driving piece drive support frame rotates to make the effort that upper conveying roller and lower conveying roller took place the deflection for panel, make the direction of delivery of panel obtain correcting, and then can ensure off-the-shelf quality, improved holistic production efficiency.

In a specific can embodiment, the support frame includes two support columns and locates the mounting bracket on two support columns, go up conveying roller and lower conveying roller and install on the mounting bracket, two curved spouts have been seted up on the bottom plate, the support column is connected with the slider that is located the spout, is connected with the connecting rod between two support columns, the connecting rod rotates with the bottom plate to be connected, it has the actuating cylinder that drives to articulate on the bottom plate, the output lever that drives the actuating cylinder articulates in the connecting rod.

Through adopting above-mentioned technical scheme, when needing to rotate the support frame, drive actuating cylinder drive connecting rod and rotate to can make last conveying roller and lower conveying roller give panel and take place the effort that deflects, make the direction of transfer of panel obtain correcting.

In a specific embodiment, the sensing device comprises a mounting post, and an infrared sensor is arranged on the mounting post.

Through adopting above-mentioned technical scheme, utilize infrared inductor to detect the side of panel, when the direction of delivery of panel takes place to deflect, infrared inductor can give the controller with signal transmission, and then steerable actuating cylinder drive mounting bracket takes place to deflect.

In a specific implementation scheme, the trimming device comprises a bearing column, the bearing column is connected with a bearing rod, an installation cylinder is arranged on the bearing rod, a square installation rod is arranged in the installation cylinder in a sliding mode, a trimming knife is arranged on the installation rod, one end of the installation cylinder is closed and is in threaded connection with a rotatable adjusting rod, and one end of the adjusting rod is inserted into the installation cylinder and is connected with the installation rod in a rotating mode.

Through adopting above-mentioned technical scheme, when the thickness of panel is different, rotatable regulation pole to adjust the position of installation pole in the installation section of thick bamboo, make the thickness that the deburring sword can adapt to panel, better carry out the deburring to panel.

In a specific possible implementation scheme, a sliding sleeve is sleeved on the bearing rod, the mounting cylinder is arranged on the sliding sleeve, and a screw penetrating through the sliding sleeve and used for abutting against the bearing rod is arranged on the sliding sleeve.

By adopting the technical scheme, the position of the sliding sleeve on the bearing rod is adjusted to adjust the distance between the two trimming knives, so that the two trimming knives can be suitable for the width of the plate.

In a specific can implement embodiment, the elevating system that collection device goes up and down including collection board and drive collection board, be equipped with the limiting plate on the collection board and be located the striker plate of two relative settings on the collection board, the hole that slides is seted up to the collection board, the striker plate is equipped with the connecting plate that passes the hole that slides, the bottom of collection board is equipped with the threaded rod, the threaded rod be equipped with opposite direction's screw thread and respectively with two connecting plate threaded connection, be equipped with the driving motor who connects in the threaded rod on the collection board.

Through adopting above-mentioned technical scheme, utilize driving motor drive threaded rod to rotate for two connecting plates can be close to each other or keep away from, thereby the interval between two adjustable connecting plates, with the width of better adaptation panel.

In a specific implementation scheme, a stacking and aligning frame is arranged between the conveying device and the collecting device, a lifting support plate and a jacking cylinder for driving the support plate to lift are arranged on the stacking and aligning frame, and a movable material pushing plate and a material pushing cylinder for driving the material pushing plate to move are arranged on the support plate.

Through adopting above-mentioned technical scheme, after panel piles up on the collecting plate, usable lift cylinder rises the backup pad, utilizes to push away the material cylinder and promotes the scraping wings for the scraping wings can pile up the panel on the collecting plate together.

In a specific possible embodiment, the lifting mechanism comprises a bearing frame, a first lifting frame and a second lifting frame, one end of the first lifting frame is hinged with the bearing frame, and the other end of the first lifting frame is connected with the collecting plate in a sliding manner; one end of the second lifting frame is connected with the bearing frame in a sliding manner, and the other end of the second lifting frame is hinged with the collecting plate shaft; the first lifting frame is hinged with the second lifting frame through a shaft, a lifting cylinder is hinged on the first lifting frame, and an output rod of the lifting cylinder is hinged on the second lifting frame.

Through adopting above-mentioned technical scheme, utilize the lift cylinder so that first carriage and second carriage take place to rotate to can reach the purpose of lift collecting board, make the collecting board that the collecting board can be better collection panel.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the side edge of the plate is sensed by the sensing device to judge whether the conveying direction of the plate deviates or not, the driving piece is used for driving the supporting frame to deflect, so that the upper conveying roller and the lower conveying roller apply the acting force of the plate on deflection, the purpose of deviation correction is achieved, the cutting accuracy is ensured, the possibility that the conveying direction of the plate needs to be adjusted manually by equipment is reduced, and the overall production efficiency is effectively improved;

2. this application utilizes the scraping wings to sign indicating number panel on the board of collecting together, the staff of being convenient for transports panel.

Drawings

Fig. 1 is a schematic view of the overall structure of a honeycomb panel composite apparatus in the embodiment of the present application.

Fig. 2 is a schematic structural diagram of a heating device, a compounding device, an oven and a cooling device in the embodiment of the present application.

FIG. 3 is a schematic structural diagram of a sensing device, a deviation rectifying device and a cutting device in an embodiment of the present application.

Fig. 4 is a cross-sectional view of the mounting cartridge in an embodiment of the present application.

FIG. 5 is a schematic structural diagram of a cutting device and a conveying device in an embodiment of the present application.

Fig. 6 is a schematic structural diagram of the aligning device and the collecting device in the embodiment of the present application.

FIG. 7 is a cross-sectional view of a collection plate in an embodiment of the present application.

Description of reference numerals: 1. a heating device; 101. a working frame; 102. an upper heating roller; 103. a lower heating roller; 104. a heating motor; 11. a compounding device; 111. an upper compression roller; 112. a lower pressing roller; 113. a first motor; 12. a traction device; 121. an upper transfer roller; 122. a lower conveying roller; 123. a second motor; 13. an oven; 14. a cooling device; 141. an upper cooling roll; 142. a lower cooling roll; 143. a third motor; 2. an induction device; 21. mounting a column; 22. an infrared sensor; 3. a deviation correcting device; 31. a base plate; 311. a chute; 312. a driving cylinder; 32. a support column; 321. a connecting rod; 33. a mounting frame; 331. an upper conveying roller; 332. a lower conveying roller; 333. a fourth motor; 4. a trimming device; 41. a support post; 42. a support rod; 43. a sliding sleeve; 431. a screw; 44. mounting the cylinder; 441. mounting a rod; 442. trimming knives; 443. adjusting a rod; 5. a cutting device; 51. cutting the board; 52. a cutting frame; 53. a cutting cylinder; 54. cutting knife; 6. a conveying device; 61. a carriage; 62. a conveyor belt; 7. a neat stacking device; 71. stacking and aligning; 72. jacking a cylinder; 73. a guide bar; 74. a support plate; 75. a material pushing cylinder; 76. a material pushing plate; 8. a collection device; 81. a bearing frame; 811. a slide plate; 82. a collection plate; 821. a slideway; 822. an inner cavity; 823. a sliding hole; 824. a threaded rod; 825. a drive motor; 83. a first lifting frame; 831. a roller; 832. a lifting cylinder; 84. a second lifting frame; 841. a pulley; 85. a limiting plate; 86. a striker plate; 861. a connecting plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a cellular board composite device. Referring to fig. 1, a honeycomb panel compounding device comprises a heating device 1, a compounding device 11, a traction device 12, an oven 13 for destressing tempering, a cooling device 14, an induction device 2, a deviation correcting device 3, a trimming device 4, an induction device 2, a traction device 12, a cutting device 5, a conveying device 6, a stacking device 7 and a collecting device 8 which are sequentially arranged, wherein a surface layer, a honeycomb layer and a bottom layer which are formed through extrusion together penetrate through the heating device 1 and the compounding device 11 to initially form a honeycomb panel, and the honeycomb panel sequentially passes through a plurality of subsequent devices to be subjected to destressing tempering, trimming and cutting to form a final finished product.

Referring to fig. 2, the heating apparatus 1 includes a frame 101, an upper heating roller 102 and a lower heating roller 103 are disposed on the frame 101, a heating motor 104 connected to the upper heating roller 102 is disposed, and when a surface layer, a honeycomb layer, and a bottom layer pass between the upper heating roller 102 and the lower heating roller 103, the upper heating roller 102 and the lower heating roller 103 heat the three layers to combine and bond the three layers into a whole, thereby forming a honeycomb panel. Composite set 11 is including locating last compression roller 111 and lower compression roller 112 on the work frame 101, still is equipped with the first motor 113 who connects in last compression roller 111 on the work frame 101, and when honeycomb panel passed between last compression roller 111 and the lower compression roller 112, last compression roller 111 and lower compression roller 112 extruded honeycomb panel, and what messenger's top layer, honeycomb layer and bottom can bond is more firm.

The drawing device 12 also includes a work frame 101, an upper conveying roller 121 and a lower conveying roller 122 are disposed on the work frame 101, a second motor 123 connected to the upper conveying roller 121 is further disposed on the work frame 101, and the honeycomb board can be stably conveyed to the next process by using the upper conveying roller 121 and the lower conveying roller 122. Similarly, the cooling device 14 also includes a work frame 101, the work frame 101 is provided with an upper cooling roller 141 and a lower cooling roller 142, the work frame 101 is further provided with a third motor 143 connected to the upper cooling roller 141, and the upper cooling roller 141 and the lower cooling roller 142 cool the honeycomb plate when the honeycomb plate passes through between the upper cooling roller 141 and the lower cooling roller 142.

Referring to fig. 3, the sensing device 2 includes two mounting posts 21, each mounting post 21 is provided with an infrared sensor 22, and when the honeycomb panel passes through between the two mounting posts 21, the two infrared sensors 22 respectively detect two side edges of the honeycomb panel to detect whether the conveying direction of the honeycomb panel deviates.

The deviation correcting device 3 comprises a bottom plate 31, a support frame is arranged on the bottom plate 31, the support frame comprises two support columns 32 and an installation frame 33 arranged on the two support columns 32, an upper conveying roller 331, a lower conveying roller 332 and a fourth motor 333 connected with the upper conveying roller 331 are arranged on the installation frame 33, and the honeycomb plate is conveyed by the upper conveying roller 331 and the lower conveying roller 332. A connecting rod 321 is connected between the two supporting columns 32, a central shaft is arranged on the bottom plate 31, and the central shaft penetrates through the connecting rod 321 and the connecting rod 321 can rotate around the central shaft. Arc-shaped sliding grooves 311 are formed in two sides of the central shaft on the bottom plate 31, a sliding block located in the sliding grooves 311 is arranged at the bottom end of the supporting column 32, a driving cylinder 312 is hinged to the bottom plate 31, an output rod of the driving cylinder 312 is hinged to the connecting rod 321, and the driving cylinder 312 and the infrared sensor 22 are connected with a controller together. When the direction of delivery of honeycomb panel took place to squint, infrared inductor 22 produced the signal and transmitted for the controller, and controller control drives actuating cylinder 312 and drives connecting rod 321 and rotate to drive mounting bracket 33 and rotate, make upper conveying roller 331 and lower conveying roller 332 give honeycomb panel the effort that takes place to deflect, thereby can correct the direction of delivery of honeycomb panel.

Referring to fig. 3 and 4, the trimming device 4 includes two supporting columns 41, a supporting rod 42 is connected between the two supporting columns 41, two sliding sleeves 43 are sleeved on the supporting rod 42, an installation cylinder 44 is obliquely arranged on the sliding sleeves 43, one end of the installation cylinder 44 is open, the other end of the installation cylinder 44 is closed, a movable installation rod 441 is arranged in the installation cylinder 44, and a trimming knife 442 is arranged on the installation rod 441. An adjustment rod 443 is screwed to a closed end of the mounting cylinder 44, and an end of the adjustment rod 443 is inserted into the mounting rod 441 and is rotatable within the mounting rod 441. When the thickness of the honeycomb panel is changed, the adjustment rod 443 is rotated to drive the mounting rod 441 to move in the mounting cylinder 44, so that the distance between the trimming blade 442 and the honeycomb panel is adjusted, and the trimming blade 442 can better cut the side edge of the honeycomb panel. In order to enable the two trimming knives 442 to adapt to the width of the honeycomb panel, the sliding sleeve 43 can move on the supporting rod 42, and a screw 431 is screwed on the sliding sleeve 43, and the end of the screw 431 can be tightly pressed against the supporting rod 42.

Referring to fig. 5, the cutting device 5 includes a cutting plate 51 and a cutting frame 52 disposed on the cutting plate 51, a cutting cylinder 53 is mounted on the cutting frame 52, a cutting knife 54 is connected to an output rod of the cutting cylinder 53, and when the honeycomb panel moves onto the cutting plate 51, the cutting cylinder 53 drives the cutting knife 54 to move down to cut the honeycomb panel, thereby forming the honeycomb panel with a specific length. The conveying device 6 comprises a conveying frame 61 and a conveyor belt 62 arranged on the conveying frame 61, and the cut honeycomb plate can be conveyed to the collecting device 8 through the conveyor belt 62 to be collected.

Referring to fig. 6 and 7, the collecting device 8 includes a supporting frame 81 and a collecting plate 82 located above the supporting frame 81, a first lifting frame 83 and a second lifting frame 84 are connected between the supporting frame 81 and the collecting plate 82, and the first lifting frame 83 and the second lifting frame 84 are connected by a connecting shaft. One end of the first lifting frame 83 is hinged with the bearing frame 81 through a rotating shaft, the other end is provided with a roller 831, and the bottom surface of the collecting plate 82 is provided with a slideway 821 for the roller 831 to slide; one end of the second lifting frame 84 is connected with the collecting plate 82 through a rotating shaft in a shaft hinge mode, the other end of the second lifting frame 84 is provided with a pulley 841, and a sliding plate 811 with the pulley 841 sliding is arranged on the bearing frame 81. The first lifting frame 83 is hinged with a lifting cylinder 832 through a rotating shaft, and an output rod of the lifting cylinder 832 is hinged with the second lifting frame 84 through a rotating shaft. When the collecting plate 82 needs to descend after collecting the honeycomb panel, the first lifting frame 83 and the second lifting frame 84 are driven to rotate around the connecting shaft by the lifting cylinder 832, so that the purpose of lifting the collecting plate 82 is achieved.

Limiting plates 85 are installed at one ends of the collecting plates 82, material blocking plates 86 are arranged on two sides of each collecting plate 82, and the possibility that the honeycomb plates slide down from the collecting plates 82 is reduced by the aid of the limiting plates 85 and the material blocking plates 86. In order to enable the space between the two baffle plates 86 to be suitable for the width of the honeycomb plate, the collecting plate 82 is provided with an inner cavity 822, the top of the collecting plate 82 is provided with a sliding hole 823 communicated with the inner cavity 822, the baffle plates 86 are provided with connecting plates 861 positioned in the sliding hole 823, the collecting plate 82 is provided with threaded rods 824 positioned in the inner cavity 822, the threaded rods 824 are provided with threads in opposite directions, the threaded rods 824 penetrate through the two connecting plates 861 and are in threaded connection with the connecting plates 861, and the collecting plate 82 is connected with a driving motor 825 of the threaded rods 824. When the driving motor 825 drives the threaded rod 824 to rotate, the two connecting plates 861 can approach each other or move away from each other, so that the purpose of adjusting the distance between the two connecting plates 861 is achieved.

Referring to fig. 6, in order to stack the honeycomb plates on the collecting plate 82 in order for the workers to transport, the stacking and aligning device 7 includes a stacking and aligning frame 71, a jacking cylinder 72 and two guide rods 73 are installed on the stacking and aligning frame 71, a supporting plate 74 is penetrated through the two guide rods 73, and a material pushing cylinder 75 and a material pushing plate 76 connected to an output rod of the material pushing cylinder 75 are arranged on the supporting plate 74. When one honeycomb plate moves from the conveyor belt 62 to the collecting plate 82, the jacking cylinder 72 drives the supporting plate 74 to move upwards, the pushing cylinder 75 pushes the pushing plate 76, so that the pushing plate 76 pushes a plurality of honeycomb plates, and the honeycomb plates can be orderly stacked on the collecting plate 82 by combining the limiting of the limiting plate 85. After the material pushing plate 76 finishes pushing the honeycomb plate, the lifting cylinder 832 drives the supporting plate 74 to move downwards, so that the conveyor belt 62 continues to move the honeycomb plate to the collecting plate 82.

The implementation principle of the cellular board compound equipment in the embodiment of the application is as follows: the surface layer, the honeycomb layer and the bottom layer which are formed by extrusion pass through an upper heating roller 102 and a lower heating roller 103 together to be compounded and bonded to form an integral honeycomb plate, the honeycomb plate is extruded by a compounding device 11 to ensure that the surface layer, the honeycomb layer and the bottom layer are bonded more firmly, then the honeycomb plate is subjected to stress relief tempering operation by an oven 13, is cooled by a cooling device 14, and is collected by a collecting plate 82 after trimming and cutting; when the direction of delivery of panel takes place to squint, infrared inductor 22 gives the controller with signal transmission, and controller control drives actuating cylinder 312 and promotes connecting plate 861 for mounting bracket 33 takes place to rotate, thereby makes upper conveying roller 331 and lower conveying roller 332 give the honeycomb panel the effort that takes place to deflect, makes the direction of delivery of honeycomb panel obtain correcting automatically, has reduced the artifical possibility of correcting the honeycomb panel direction that needs pause equipment, has improved production efficiency on the whole.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A cellular board compound device, characterized in that: comprises a heating device (1), a compounding device (11), an oven (13), a cooling device (14), a trimming device (4), a cutting device (5), a conveying device (6) and a collecting device (8) which are arranged in sequence,

a deviation correcting device (3) is arranged between the cooling device (14) and the trimming device (4), and induction devices (2) for detecting two side edges of the plate are arranged between the cooling device (14) and the deviation correcting device (3) and between the trimming device (4) and the cutting device (5);

the deviation correcting mechanism comprises a bottom plate (31) and a rotatable supporting frame arranged on the bottom plate (31), wherein an upper conveying roller (331) and a lower conveying roller (332) which are used for conveying plates are arranged on the supporting frame, a driving piece used for driving the supporting frame to rotate is arranged on the bottom plate (31), and the driving piece and the sensing device (2) are connected with a controller together.

2. A cellular board assembly apparatus according to claim 1, wherein: the support frame includes two support columns (32) and locates mounting bracket (33) on two support columns (32), it installs on mounting bracket (33) to go up conveying roller (331) and lower conveying roller (332), two curved spout (311) have been seted up on bottom plate (31), support column (32) are connected with the slider that is located spout (311), are connected with connecting rod (321) between two support columns (32), connecting rod (321) rotate with bottom plate (31) to be connected, articulated on bottom plate (31) have and drive actuating cylinder (312), the output lever that drives actuating cylinder (312) articulates in connecting rod (321).

3. A cellular board assembly apparatus according to claim 1, wherein: the induction device (2) comprises a mounting column (21), and an infrared inductor (22) is arranged on the mounting column (21).

4. A cellular board assembly apparatus according to claim 1, wherein: the trimming device (4) comprises a bearing column (41), the bearing column (41) is connected with a bearing rod (42), an installation barrel (44) is arranged on the bearing rod (42), a square installation rod (441) is arranged in the installation barrel (44) in a sliding mode, a trimming knife (442) is arranged on the installation rod (441), one end of the installation barrel (44) is closed and is in threaded connection with an adjusting rod (443), and one end of the adjusting rod (443) is inserted into the installation barrel (44) and is rotatably connected with the installation rod (441).

5. The cellular board assembly apparatus of claim 4, wherein: the bearing rod (42) is sleeved with a sliding sleeve (43), the mounting cylinder (44) is arranged on the sliding sleeve (43), and a screw (431) penetrating through the sliding sleeve (43) and used for abutting against the bearing rod (42) is arranged on the sliding sleeve (43).

6. A cellular board assembly apparatus according to claim 1, wherein: collecting device (8) are including collecting board (82) and the elevating system that drive collecting board (82) goes up and down, be equipped with limiting plate (85) on collecting board (82) and be located two striker plate (86) of collecting board (82) and setting up relatively, collecting board (82) offer sliding hole (823), striker plate (86) are equipped with connecting plate (861) that pass sliding hole (823), the bottom of collecting board (82) is equipped with threaded rod (824), threaded rod (824) are equipped with opposite direction's screw thread and respectively with two connecting plate (861) threaded connection, be equipped with driving motor (825) of connecting in threaded rod (824) on collecting board (82).

7. The cellular board assembly apparatus of claim 6, wherein: the stacking and aligning device is characterized in that a stacking and aligning frame (71) is arranged between the conveying device (6) and the collecting device (8), a lifting support plate (74) and a jacking cylinder (72) used for driving the support plate (74) to lift are arranged on the stacking and aligning frame (71), and a movable material pushing plate (76) and a material pushing cylinder (75) used for driving the material pushing plate (76) to move are arranged on the support plate (74).

8. The cellular board assembly apparatus of claim 6, wherein: the lifting mechanism comprises a bearing frame (81), a first lifting frame (83) and a second lifting frame (84), one end of the first lifting frame (83) is hinged with the bearing frame (81), and the other end of the first lifting frame (83) is connected with the collecting plate (82) in a sliding manner; one end of the second lifting frame (84) is connected with the bearing frame (81) in a sliding manner, and the other end of the second lifting frame is hinged with the collecting plate (82) in a shaft manner; the first lifting frame (83) is in shaft hinge connection with the second lifting frame (84), a lifting cylinder (832) is hinged to the first lifting frame (83), and an output rod of the lifting cylinder (832) is hinged to the second lifting frame (84).