Extrusion mechanism of laminating machine

Abstract

An extrusion mechanism of a laminating machine comprises a transversely and movably arranged platform, a first extrusion device and a second extrusion device, the first extrusion device and the second extrusion device are arranged on the platform, the first extrusion device and the second extrusion device comprise feeding assemblies and filtering assemblies, and the feeding assemblies are communicated with the filtering assemblies. The filter assemblies of the first extrusion device and the second extrusion device are respectively communicated with a distributor which is communicated with a mold. The two extrusion devices are arranged, raw materials are conveyed to the distributor through the two feeding assemblies, the distributor reasonably distributes the raw materials, the feeding speed is increased, and then the feeding requirement of a large mold is met, so that the platform is suitable for large-width products, the whole platform is lengthened so as to be matched with a large feeding barrel and a large screw rod, and the production efficiency is improved. The feeding requirement of a large mold is further met; the heat dissipation assembly is provided with two sets of fans, the two sets of fans suck external cold air into the fan cover at the same time so as to effectively cool the screw rod, then hot air is exhausted from the air outlet holes, and the cooling effect is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of laminating machines, in particular to an extrusion mechanism of a laminating machine. Background Art

[0002] Chinese patent document No. CN216182646U disclosed a laminating extrusion equipment on April 25, 2022, which includes a platform bracket, a power mechanism, a screw, a feeding hopper, a heat preservation and heating device, a barrel, a pressure doubling screen changer, a pressure doubling die neck and a mold. The power mechanism and the heat preservation and heating device are fixed on the platform bracket; the heat preservation and heating device is arranged on the outer periphery of the barrel, and the heat preservation and heating device is used to heat the raw materials in the barrel; the screw is fixed to the output end of the power mechanism, and the discharge port of the feeding hopper is connected to the feed end of the barrel through a feeding channel, and the screw passes through the feeding channel and the barrel, and the power mechanism is used to drive the screw to stir and extrude the raw materials in the barrel; the feed end of the pressure doubling screen changer is connected to the discharge end of the barrel, the discharge end of the pressure doubling screen changer is connected to the feed end of the pressure doubling die neck, and the discharge end of the pressure doubling die neck is connected to the mold. This laminating extrusion equipment is equipped with a single extrusion device, which is not suitable for large molds and therefore not suitable for wide products. In addition, the screw is cooled by a fan, but the cooling effect is average.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide an extrusion mechanism for a laminating machine with a simple and reasonable structure, high applicability, good filtering effect, good cooling effect and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] An extrusion mechanism of a laminating machine designed for this purpose is characterized by comprising a transversely movable platform, and a first extrusion device and a second extrusion device arranged on the platform, the first extrusion device and the second extrusion device comprising a feeding assembly and a filtering assembly, the feeding assembly being connected to the filtering assembly, the filtering assemblies of the first extrusion device and the second extrusion device being respectively connected to distributors, and the distributors being connected to the mold.

[0006] Several heat dissipation components are distributed laterally on the periphery of the feeding component. The heat dissipation components include a first fan, a second fan and an air hood. The air hood is mounted on the feeding component. An air outlet is provided on the top of the air hood, and a first air inlet and a second air inlet are provided on the bottom. The air outlet end of the first fan, the first air inlet, the inner cavity of the air hood and the air outlet are connected in sequence, and the air outlet end of the second fan, the second air inlet, the inner cavity of the air hood and the air outlet are connected in sequence.

[0007] The filter assembly includes a filter seat, a filter plate and a filter component installed on the filter plate. A filter tank is provided in the filter seat, the filter plate is provided on the filter tank, and the feeding assembly, the filter component and the distributor are connected in sequence.

[0008] The filter assembly also includes a first driver, which drives the connected filter plate. The filter plate is provided with a mounting hole, and the filter component is mounted on the mounting hole. The first driver drives the filter plate to move up and down on the filter tank to move the mounting hole into or out of the filter tank.

[0009] The distributor is provided with a first feed hole, a second feed hole and a discharge hole. The filter component of the first extrusion device is connected to the first feed hole, the filter component of the second extrusion device is connected to the second feed hole, the first feed hole and the second feed hole are respectively connected to the discharge hole, and the discharge hole is connected to the mold.

[0010] The diameter of the first feed hole is greater than the diameter of the second feed hole.

[0011] The feeding assembly includes a feeding barrel and a feeding screw rotatably arranged in the feeding barrel. The first extrusion device and the second extrusion device also include a second driver and a feeding hopper. The second driver drives the feeding screw, the feeding hopper is connected to the feeding barrel, and the feeding barrel is connected to the filtering assembly.

[0012] There are several groups of heating components distributed laterally on the periphery of the feeding barrel. The heating components are sleeved on the feeding barrel and located on the inner cavity of the wind cover. A temperature sensor is provided on the wind cover, and one end of the temperature sensor extends into the interior of the feeding barrel.

[0013] A mounting base is provided on the platform, the first extrusion device and the second extrusion device are installed on the corresponding mounting base, first rollers are respectively provided on both sides of the mounting base, a first guide rail is provided on the platform, and the first roller is rolled on the first guide rail so that the mounting base can be laterally movable on the platform.

[0014] The laminating machine also includes a mobile support lifting mechanism, a guide chassis, a support mechanism and a mobile lifting mechanism. The mobile support lifting mechanism is arranged on the guide chassis for transverse movement. One end of the platform is fixed on the mobile support lifting mechanism and the other end is fixed on the mobile lifting mechanism. The mobile lifting mechanism is arranged on the support mechanism for transverse movement. The mobile support lifting mechanism and the mobile lifting mechanism synchronously drive the platform to move laterally and up and down.

[0015] The utility model is provided with two extrusion devices, and then the raw materials are sent to the distributor through two groups of feeding components. The distributor reasonably distributes the raw materials, improves the feeding speed, and thus meets the feeding needs of large molds. Therefore, it is suitable for products with large widths. The platform is lengthened as a whole to adapt to large feeding barrels and large screws, further meeting the feeding needs of large molds; the heat dissipation component is provided with two groups of fans, and the two groups of fans simultaneously draw external cold air into the wind hood to effectively cool the screw, and then the hot air is discharged from the air outlet, which greatly improves the cooling effect; in addition, the raw materials are filtered by the filtering component to remove impurities in the raw materials, so that the molded products do not contain impurities, thereby improving product quality and environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a laminating machine in one embodiment of the present invention.

[0017] Figure 2 This is a partial structural diagram of the extrusion mechanism in one embodiment of the present utility model.

[0018] Figure 3 This is a partial structural diagram of another aspect of the extrusion mechanism in one embodiment of the present invention.

[0019] Figure 4 This is a cross-sectional view of the first extrusion device in one embodiment of the present invention.

[0020] Figure 5 The figure is a schematic diagram of the assembly structure of the first fan and the second fan in one embodiment of the present invention.

[0021] Figure 6 This is a schematic diagram of the overall structure of the wind shield in one embodiment of the present invention.

[0022] Figure 7 This is a schematic diagram of the overall structure of the wind shield in another aspect of an embodiment of the present invention.

[0023] Figure 8 This is a schematic diagram of the exploded structure of the filter assembly in one embodiment of the present invention.

[0024] Figure 9 This is a schematic diagram of the overall structure of a dispenser in one embodiment of the present invention.

[0025] Figure 10 This is a schematic diagram of the overall structure of the dispenser in another aspect in one embodiment of the present invention.

[0026] Figure 11 It is a schematic diagram of the partial structure of a laminating machine in one embodiment of the present utility model.

[0027] Figure 12 for Figure 11Schematic diagram of the enlarged structure at point A in the middle.

[0028] Figure 13 This is a schematic diagram of the assembly structure of the moving frame, the second drive device and the third drive device in one embodiment of the present utility model.

[0029] Figure 14 This is a schematic diagram of the assembly structure of the second driving device and the guide chassis in one embodiment of the utility model.

[0030] Figure 15 This is a working principle diagram of the mold and pressing roller device in one embodiment of the utility model. DETAILED DESCRIPTION

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] See also Figures 1-15 The extrusion mechanism of this laminating machine includes a platform 1 that is arranged to be movable horizontally, and a first extrusion device 2 and a second extrusion device 3 arranged on the platform 1. The first extrusion device 2 and the second extrusion device 3 include a feeding component 4 and a filtering component 5. The feeding component 4 is connected to the filtering component 5. The filtering components 5 of the first extrusion device 2 and the second extrusion device 3 are respectively connected to the distributor 6. The distributor 6 is connected to the mold 7, and the mold 7 is hoisted at the bottom of the distributor 6; the platform 1 is long and has an overall lengthened design.

[0033] The outer periphery of the feeding assembly 4 is laterally distributed with a number of heat dissipation components, the heat dissipation components include a first fan 8, a second fan 9 and a fan cover 10, the fan cover 10 is set on the feeding assembly 4, the top of the fan cover 10 is provided with an air outlet 11, and the bottom is provided with a first air inlet 12 and a second air inlet 13, the air outlet end of the first fan 8, the first air inlet 12, the inner cavity 14 of the fan cover 10 and the air outlet 11 are connected in sequence, the air outlet end of the second fan 9, the second air inlet 13, the inner cavity 14 of the fan cover 10 and the air outlet 11 are connected in sequence, the air inlet end of the first fan 8, the second air inlet 13, the inner cavity 14 of the fan cover 10 and the air outlet 11 are connected in sequence, The air inlet end of the fan 9 is connected to the outside world, and the air outlet 11 is connected to the outside world; when the feeding screw 24 exceeds the set temperature, the first fan 8 and the second fan 9 work, and the outside cold air is drawn into the inner cavity 14 of the wind hood 10 through the first air inlet 12 and the second air inlet 13 respectively. The cold air reaches the outside of the feeding barrel 23, thereby cooling the feeding screw 24, so that the feeding screw 24 is cooled to the set temperature, and the hot air in the inner cavity 14 is discharged to the outside through the air outlet 11, and then new cold air is added through the first air inlet 12 and the second air inlet 13 to improve the cooling effect.

[0034] The filter assembly 5 includes a filter seat 15, a filter plate 16 and a filter component installed on the filter plate 16. The filter component is a filter mesh. A filter tank 17 is provided in the filter seat 15. The filter plate 16 is provided on the filter tank 17. The feeding assembly 4, the filter component and the distributor 6 are connected in sequence.

[0035] The filter assembly 5 also includes a first driver 18, which drives the connected filter plate 16. A mounting hole 19 is provided on the filter plate 16, and the filter component is mounted on the mounting hole 19. The first driver 18 drives the filter plate 16 to move up and down on the filter tank 17 so that the mounting hole 19 moves into or out of the filter tank 17. When the mounting hole 19 moves into the filter tank 17, the feeding assembly 4, the filter component and the distributor 6 are connected in sequence. When the mounting hole 19 moves out of the filter tank 17, the filter component can be replaced; when the filter plate 16 moves downward, the mounting hole 19 moves into the filter tank 17, and when the filter plate 16 moves upward, the mounting hole 19 moves out of the filter tank 17; the first driver 18 is a cylinder.

[0036] The distributor 6 is provided with a first feed hole 20, a second feed hole 21 and a discharge hole 22. The filter assembly 5 (filter component) of the first extrusion device 2 is connected to the first feed hole 20 through a first pipe 32, and the filter assembly 5 (filter component) of the second extrusion device 3 is connected to the second feed hole 21 through a second pipe 33. The first feed hole 20 and the second feed hole 21 are respectively connected to the discharge hole 22, and the discharge hole 22 is connected to the mold 7.

[0037] The diameter of the first feed hole 20 is greater than that of the second feed hole 21. The distributor 6 can adjust the extrusion amount of the two feeding components 4, that is, adjust the extrusion amount of the two extrusion devices. The extrusion amount ratio of the first extrusion device 2 and the second extrusion device 3 is 7:3.

[0038] The feeding assembly 4 includes a feeding barrel 23 and a feeding screw 24 rotatably arranged in the feeding barrel 23. The first extrusion device 2 and the second extrusion device 3 also include a second driver 25 and a feeding hopper 26. The second driver 25 drives one end of the feeding screw 24, and the feeding hopper 26 is connected to the feeding barrel 23. The feeding barrel 23 is connected to the filter assembly 5 (filter component), and the other end of the feeding screw 24 is connected to the filter seat 15. The second driver 25 is a combination of a motor and a reducer.

[0039] There are several groups of heating components 27 distributed laterally on the periphery of the feed barrel 23. The heating components 27 are mounted on the feed barrel 23. The heating components 27 are cast iron heating rings. The heating components 27 are located on the inner cavity 14 of the wind hood 10, and the feed barrel 23 passes through the inner cavity 14 of the wind hood 10. When the extrusion mechanism is working, the second driver 25 drives the feeding screw 24 to rotate, and the feeding hopper 26 draws the raw materials into the feed barrel 23. The heating components 27 heat the feed barrel 23. When the granular raw materials enter the feed barrel 23, they are converted into fluid (i.e., rubber) through high temperature and extrusion of the feeding screw 24. Then the fluid enters the distributor 6 through the filter component, and then flows into the mold 7 after being distributed by the distributor 6.

[0040] A temperature sensor 28 is provided on the wind hood 10, one end of the temperature sensor 28 extends into the interior of the feeding barrel 23, and the temperature sensor 28 is used to detect the temperature of the feeding screw 24. When it is detected that the temperature of the feeding screw 24 is higher than the set temperature, the first fan 8 and the second fan 9 are started by the control circuit board.

[0041] A mounting base 29 is provided on the platform 1, and the first extrusion device 2 and the second extrusion device 3 are installed on the corresponding mounting base 29. First rollers 30 are respectively provided on both sides of the mounting base 29. A first guide rail 31 is provided on the platform 1, and the first roller 30 is rollingly set on the first guide rail 31 so that the mounting base 29 can be horizontally movably set on the platform 1, thereby adjusting the positions of the first extrusion device 2 and the second extrusion device 3 on the platform 1.

[0042] The laminating machine also includes a mobile support and lifting mechanism a, a guide base frame 32, a support mechanism b and a mobile lifting mechanism c. The mobile support and lifting mechanism a is arranged on the guide base frame 32 for horizontal movement. One end of the platform 1 is fixed on the mobile support and lifting mechanism a and the other end is fixed on the mobile lifting mechanism c. The mobile lifting mechanism c is arranged on the support mechanism b for horizontal movement. The mobile support and lifting mechanism a and the mobile lifting mechanism c synchronously drive the platform 1 to move horizontally and lift up and down to adapt to the lamination of films 34 of different widths and thicknesses.

[0043] The supporting mechanism b includes a supporting frame 35 and a second guide rail 36, and the movable lifting mechanism c includes a movable frame 37 and a first lifting device 38. The second guide rail 36 is supported and fixed on the supporting frame 35. Second rollers 39 are respectively provided at both ends of the movable frame 37. The second rollers 39 are rollingly set on the second guide rail 36. The first lifting device 38 is fixed on the movable frame 37, and the other end of the platform 1 is fixed on the first lifting device 38. The first lifting device 38 drives the platform 1 to move horizontally and move up and down, thereby driving the first extrusion device 2 and the second extrusion device 3 to move horizontally and move up and down.

[0044] The first lifting device 38 includes a third driver 40, a first transmission shaft 41 and a first lifting assembly. The third driver 40 drives the first transmission shaft 41, and the first transmission shaft 41 is connected to the first lifting assembly. The other end of the platform 1 is fixed on the first lifting assembly; the third driver 40 is a combination of a motor and a reducer, and the first transmission shaft 41 is respectively connected to both ends of the third driver 40.

[0045] The first lifting assembly includes a first worm gear 42 and a first lifting screw 43. The first worm gear 42 is connected to the first transmission shaft 41. The first lifting screw 43 is movably installed on the first worm gear 42. The first lifting screw 43 is connected to the other end of the platform 1. The first lifting screw 43 drives the platform 1 to move up and down to adjust the height of the first extrusion device 2 and the second extrusion device 3 relative to the pressing roller device 44.

[0046] The movable frame 37 includes a transversely arranged movable rod 45 and a longitudinally arranged connecting rod 46. The second roller 39 is arranged at the bottom of the movable rod 45. The movable rod 45 is respectively arranged at both ends of the connecting rod 46. The third driver 40 and the first worm gear 43 are installed on the connecting rod 46. The first lifting screw 43 passes through the connecting rod 46.

[0047] The mobile support lifting mechanism a includes a mobile frame assembly 47, a second drive device 48, a third drive device 49 and a lifting platform assembly 50. The second drive device 48 drives the connection to the mobile frame assembly 47, the third drive device 49 is installed on the mobile frame assembly 47, the third drive device 49 drives the connection to the lifting platform assembly 50, the lifting platform assembly 50 is arranged on the mobile frame assembly 47 for vertical movement, one end of the platform 1 is supported and fixed on the lifting platform assembly 50, the mobile frame assembly 47 is horizontally movably arranged on the guide base frame 32, and the lifting platform assembly 50 drives the platform 1 to move horizontally and lift up and down.

[0048] The second drive device 48 includes a fourth drive 51 and a sprocket assembly 52. ​​The fourth drive 51 drives one end of the sprocket assembly 52, and the other end of the sprocket assembly 52 is connected to the moving frame assembly 47. The fourth drive 51 is a combination of a motor and a reducer. The sprocket assembly 52 includes a driving sprocket, a driven sprocket and a chain.

[0049] The movable frame assembly 47 includes a movable frame 53, a connecting member 54, a third roller 55 and a rotating shaft 56. A third guide rail 57 is provided on the guide base 32. The third roller 55 is rotatably set on the third guide rail 57. The rotating shaft 56 is cooperated and connected with the third roller 55. The connecting member 54 is installed on the side of the movable frame 53. A bearing 58 is provided on the connecting member 54. The bearing 58 is rotatably connected to the rotating shaft 56. The second driving device 48 is fixed on the movable frame 53. The second driving device 48 drives the active sprocket, and the driven sprocket is connected to the rotating shaft 56.

[0050] When the moving frame 53 moves on the third guide rail 57 , the moving frame 37 follows and moves on the second guide rail 36 , that is, the moving frame 37 acts as a slave.

[0051] The third drive device 49 is installed on the mobile frame 53, which includes a fifth drive 59, a second transmission shaft 60, a commutator 61, a third transmission shaft 62 and a second lifting assembly. The fifth drive 59 drives and connects the second transmission shaft 60, the second transmission shaft 60 is connected to the commutator 61, the commutator 61 is connected to the third transmission shaft 62, the third transmission shaft 62 is cooperated with the second lifting assembly, the bottom support of the lifting platform assembly 50 is fixed on the second lifting assembly, the second transmission shaft 60 is respectively connected to the two ends of the fifth drive 59, the third transmission shaft 62 is respectively connected to the two ends of the commutator 61, and the fifth drive 59 is a combination of a motor and a reducer.

[0052] The second lifting assembly includes a second worm gear 63 and a second lifting screw 64. The third transmission shaft 62 is connected to the second worm gear 63. The second lifting screw 64 is movably installed on the second worm gear 63. The second lifting screw 64 is connected to the lifting platform assembly 50. The second lifting assembly is respectively arranged at the four corners of the movable frame 53, which can provide strong support for the lifting platform assembly 50. The second lifting screw 64 drives the platform 1 to move up and down to adjust the height of the first extrusion device 2 and the second extrusion device 3 relative to the pressing roller device 44.

[0053] When the laminating machine is working, the mobile support lifting mechanism a and the mobile lifting mechanism c drive the first extrusion device 2 and the second extrusion device 3 to move above the lamination roller device 44, the lifting platform assembly 50 and the first lifting device 38 drive the first extrusion device 2 and the second extrusion device 3 to descend, and the mold 7 laminates the adhesive onto the films 34 of the two lamination rollers, and then the two lamination rollers press the two films 34 to form a composite film.

[0054] The above is a preferred embodiment of the present invention, which illustrates and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. An extrusion mechanism of a laminating machine, characterized in that: The invention comprises a platform (1) arranged to be movable in a transverse direction, and a first extrusion device (2) and a second extrusion device (3) arranged on the platform (1); the first extrusion device (2) and the second extrusion device (3) comprise a feeding assembly (4) and a filtering assembly (5); the feeding assembly (4) is connected to the filtering assembly (5); the filtering assemblies (5) of the first extrusion device (2) and the second extrusion device (3) are respectively connected to a distributor (6); and the distributor (6) is connected to a mold (7).

2. The extrusion mechanism of the laminating machine according to claim 1, characterized in that: A plurality of heat dissipation components are laterally distributed on the periphery of the feeding component (4), and the heat dissipation components include a first fan (8), a second fan (9) and a fan cover (10). The fan cover (10) is mounted on the feeding component (4), and an air outlet (11) is arranged at the top of the fan cover (10), and a first air inlet (12) and a second air inlet (13) are arranged at the bottom. The air outlet end of the first fan (8), the first air inlet (12), the inner cavity (14) of the fan cover (10) and the air outlet (11) are sequentially connected, and the air outlet end of the second fan (9), the second air inlet (13), the inner cavity (14) of the fan cover (10) and the air outlet (11) are sequentially connected.

3. The extrusion mechanism of the laminating machine according to claim 1, characterized in that: The filter assembly (5) comprises a filter seat (15), a filter plate (16) and a filter component mounted on the filter plate (16); a filter tank (17) is arranged in the filter seat (15); the filter plate (16) is arranged on the filter tank (17); and the feed assembly (4), the filter component and the distributor (6) are connected in sequence.

4. The extrusion mechanism of the laminating machine according to claim 3, characterized in that: The filter assembly (5) further comprises a first driver (18), the first driver (18) driving the connected filter plate (16), the filter plate (16) being provided with a mounting hole (19), the filter component being mounted on the mounting hole (19), the first driver (18) driving the filter plate (16) to move up and down on the filter slot (17) so that the mounting hole (19) moves into or out of the filter slot (17).

5. The extrusion mechanism of the laminating machine according to claim 1, characterized in that: The distributor (6) is provided with a first feed hole (20), a second feed hole (21) and a discharge hole (22); the filter assembly (5) of the first extrusion device (2) is connected to the first feed hole (20); the filter assembly (5) of the second extrusion device (3) is connected to the second feed hole (21); the first feed hole (20) and the second feed hole (21) are respectively connected to the discharge hole (22); and the discharge hole (22) is connected to the mold (7).

6. The extrusion mechanism of the laminating machine according to claim 5, characterized in that: The diameter of the first feed hole (20) is greater than the diameter of the second feed hole (21).

7. The extrusion mechanism of the laminating machine according to claim 2, characterized in that: The feeding assembly (4) includes a feeding barrel (23) and a feeding screw (24) rotatably arranged in the feeding barrel (23). The first extrusion device (2) and the second extrusion device (3) also include a second driver (25) and a hopper (26). The second driver (25) drives the feeding screw (24), the hopper (26) is connected to the feeding barrel (23), and the feeding barrel (23) is connected to the filtering assembly (5).

8. The extrusion mechanism of the laminating machine according to claim 7, characterized in that: A plurality of groups of heating components (27) are distributed transversely on the outer periphery of the feeding barrel (23). The heating components (27) are sleeved on the feeding barrel (23). The heating components (27) are located on the inner cavity (14) of the wind hood (10). A temperature sensor (28) is provided on the wind hood (10). One end of the temperature sensor (28) extends into the interior of the feeding barrel (23).

9. The extrusion mechanism of the laminating machine according to claim 1, characterized in that: A mounting base (29) is provided on the platform (1), a first extrusion device (2) and a second extrusion device (3) are mounted on the corresponding mounting base (29), first rollers (30) are respectively provided on both sides of the mounting base (29), a first guide rail (31) is provided on the platform (1), and the first roller (30) is rotatably arranged on the first guide rail (31), so that the mounting base (29) is laterally movable on the platform (1).

10. The extrusion mechanism of the laminating machine according to claim 1, characterized in that: The laminating machine further comprises a movable support lifting mechanism (a), a guide base frame (32), a support mechanism (b) and a movable lifting mechanism (c); the movable support lifting mechanism (a) is arranged on the guide base frame (32) for transverse movement; one end of the platform (1) is fixed on the movable support lifting mechanism (a) and the other end is fixed on the movable lifting mechanism (c); the movable lifting mechanism (c) is arranged on the support mechanism (b) for transverse movement; the movable support lifting mechanism (a) and the movable lifting mechanism (c) synchronously drive the platform (1) to move transversely and to move up and down.

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