Electromagnetic wire raw material conveying device

Abstract

The utility model relates to raw material conveying technical field especially a kind of electromagnetic wire raw material conveying device, comprising: bottom plate;Two groups of portal frame, set in the upper side of the bottom plate;The surface of the portal frame is equipped with slide;Carrying assembly, set in the slide, and by the slide and two groups The sliding connection of portal frame;Rotary structure, set in the upper end of the bottom plate;The rotary structure includes: placing plate, the placing plate is used to place raw material;Alignment structure, set in the upper of the bottom plate, and located close to the rotary structure one end, for aligning raw material. By operating alignment structure, alignment structure will promote the raw material on placing plate to middle, so that multiple sets of raw material alignment, so that subsequent carrying process is more stable, avoid the phenomenon that gravity center deviates, will not affect the conveying of raw material.

Description

Technical Field

[0001] This utility model relates to the field of raw material conveying technology, specifically to an electromagnetic wire raw material conveying device. Background Technology

[0002] Electromagnetic wire, also known as winding wire, is an insulated wire used to manufacture coils or windings in electrical products. Electromagnetic wire is generally classified into enameled wire, wrapped wire, enameled and wrapped wire, and inorganic insulated wire. In the production of electromagnetic wire, raw materials such as copper plates are transported to a furnace for melting, a process that requires a raw material conveying device.

[0003] However, existing raw material conveying devices for electromagnetic wire production involve rotating a horizontally placed copper plate next to the furnace at a certain angle, then using a vacuum suction cup to fix the outermost copper plate in a vertical position. The copper plate is then clamped by grippers and moved above the furnace. However, since the copper plate is placed horizontally by a forklift, deviations can easily occur during placement, resulting in the copper plate being uneven. This causes the rotated copper plate to deviate from its center position, causing the copper plate to slip off the clamp after being fixed by the grippers due to the shift in the center of gravity. This makes it impossible to align the copper plate before conveying, affecting the delivery of raw materials. Utility Model Content

[0004] The purpose of this invention is to solve the problem that existing raw material conveying devices for electromagnetic wire production cannot align copper plates before conveying, which affects the conveying of raw materials.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] An electromagnetic wire material conveying device, comprising:

[0007] Base plate;

[0008] Two sets of gantry frames are installed on both sides above the base plate; the surface of the gantry frames is provided with slide rails;

[0009] The transport assembly is disposed in the slide rail and is slidably connected to the two sets of the gantry frames via the slide rail;

[0010] A rotating structure is disposed at one upper end of the base plate; the rotating structure includes a placement plate for placing raw materials.

[0011] An alignment structure is disposed above the base plate and located at one end near the rotating structure, for aligning raw materials.

[0012] Preferably, the alignment structure includes:

[0013] Two sets of limiting members are disposed above the placement plate, and the distance between the two sets of limiting members is greater than the length of the placement plate;

[0014] Two sets of movable components, each set consisting of a vertical rod and two sets of horizontal rods, with both ends of the vertical rod fixedly connected to one end of each of the two sets of horizontal rods; the other end of the upper horizontal rod is fixedly connected to the outside of the movable component.

[0015] A sliding assembly, the two ends of which are fixedly connected to the surfaces of the two sets of vertical rods;

[0016] Two sets of movable blocks, the bottom end of each set of movable blocks is fixedly connected to the surface of the crossbar below;

[0017] Two sets of threaded rods, each set of threaded rods passing through the movable block and threadedly connected to the movable block;

[0018] A dual-axis motor, wherein both ends of the dual-axis motor are fixedly connected to one end of the two sets of threaded rods;

[0019] The third electric actuator, the output end of which is fixedly connected to the outside of the dual-axis motor.

[0020] Preferably, the sliding component includes:

[0021] A sleeve, wherein a through hole is provided inside the sleeve;

[0022] A sliding rod, one end of which extends into the through hole and is slidably connected to the sleeve through the through hole.

[0023] Preferably, it further includes: a limiting plate; the limiting plate is disposed above the placement plate and located at the end away from the limiting member, and is used to cooperate with the limiting member to align the raw material.

[0024] Preferably, the rotating structure further includes:

[0025] Two sets of spur gears are symmetrically arranged on both sides of the placement plate, and the shaft of the spur gears is fixedly connected to the placement plate;

[0026] Two sets of racks, each set of racks being disposed on the edge of the spur gear and meshing with the spur gear;

[0027] A movable rod, the two ends of which are fixedly connected to two sets of racks;

[0028] The output end of the second electric push rod is fixedly connected to the surface of the moving rod.

[0029] Preferably, it further includes: two sets of limiting components; each set of the limiting components is connected to the spur gear and is used to limit the rotation of the spur gear.

[0030] Preferably, each set of the limiting components includes:

[0031] A limiting pin, one end of which extends into the tooth gap of the spur gear;

[0032] The connector consists of a disc, a first round rod, and a second round rod. One end of the first round rod is fixedly connected to the axis of the disc, and the other end is fixedly connected to the other end of the limiting pin. The edge of the disc near the first round rod is fixedly connected to the second round rod.

[0033] A support rod is sleeved on the outside of the first round rod and rotatably connected to the first round rod; a groove is provided on the side of the support rod near the disk;

[0034] An elastic element is disposed between the support rod and the disc, and is sleeved on the outside of the first round rod.

[0035] Preferably, the elastic element is a torsion spring; one end of the elastic element is located in the groove, and the other end is in contact with the second round rod, so that the elastic element can be compressed when the connecting member rotates.

[0036] Preferably, it further includes: an adsorption structure; the adsorption structure is disposed at the upper middle position of the base plate and is used to adsorb raw materials.

[0037] Preferably, the adsorption structure includes:

[0038] Support frame;

[0039] A vacuum suction cup is disposed on the side of the support frame near the placement plate;

[0040] A vacuum pump, the output end of which passes through the support frame and is connected to the vacuum suction cup;

[0041] The first electric actuator has its output end fixedly connected to the support frame.

[0042] The beneficial effects proposed by this utility model are as follows: by operating the alignment structure, the alignment structure will push the raw materials on the placement plate towards the center, so that multiple sets of raw materials are aligned, making the subsequent handling process more stable, avoiding the phenomenon of center of gravity shift, and not affecting the conveying of raw materials. Attached Figure Description

[0043] Figure 1 This is a schematic diagram of the structure of this utility model;

[0044] Figure 2 for Figure 1 Left-view stereoscopic diagram of the central connecting structure;

[0045] Figure 3 for Figure 2 Enlarged 3D schematic diagram of the central connecting structure;

[0046] Figure 4 for Figure 3 A three-dimensional diagram of the central connecting structure viewed from below;

[0047] Figure 5 for Figure 3 Enlarged 3D schematic diagram of the central connecting structure;

[0048] Figure 6 for Figure 5 Right-view stereoscopic diagram of the central connecting structure;

[0049] Figure 7 for Figure 4 Enlarged 3D schematic diagram of the central connecting structure;

[0050] Figure 8 for Figure 7 Top view of the central connection structure

[0051] Figure 9 for Figure 8 Schematic diagram of the connection structure at point A in the middle.

[0052] In the diagram: 1. Base plate, 2. Placement plate, 3. Gantry frame, 4. Handling assembly, 5. Support frame, 6. Vacuum suction cup, 7. Vacuum pump, 8. First electric push rod, 9. Second electric push rod, 10. Moving rod, 11. Rack, 12. Spur gear, 13. Limiting pin, 14. Connecting piece, 15. Support rod, 16. Elastic element, 17. Limiting plate, 18. Limiting element, 19. Moving part, 20. Moving block, 21. Threaded rod, 22. Dual-axis motor, 23. Third electric push rod, 24. Sleeve, 25. Slide rod. Detailed Implementation

[0053] The present invention will be further described below with reference to the accompanying drawings:

[0054] This embodiment:

[0055] Please see Figure 1-9 In this embodiment: an electromagnetic wire raw material conveying device includes: a base plate 1, two sets of gantry frames 3, a conveying assembly 4, a rotating structure and an alignment structure.

[0056] In this embodiment, two sets of gantry frames 3 are arranged on the upper sides of the base plate 1; the surface of the gantry frame 3 is provided with a slide rail; the transport component 4 is arranged in the slide rail and is slidably connected to the two sets of gantry frames 3 through the slide rail.

[0057] In this embodiment, the conveying component 4 can slide along the slide rail on the gantry 3. The conveying component 4 consists of a fixed structure, a vertical moving structure, and a horizontal moving structure. The fixed structure is used to fix the raw materials. The fixed structure can be fixed by an electric gripper or by other means, as long as it can fix the raw materials. The vertical moving structure is used to drive the fixed structure to move vertically. The vertical moving structure can be driven by a hydraulic cylinder or by other means, as long as it can move vertically. The horizontal moving structure is used to move the fixed structure horizontally. The horizontal moving structure can be moved along the slide by a combination of a motor and rollers, or by other means, as long as it can move horizontally. The structures used in the conveying component 4 are all common equipment on the market and are mature existing technologies, which will not be described in detail here.

[0058] The rotating structure is located at one end above the base plate 1; the rotating structure includes a placement plate 2, which is used to place raw materials.

[0059] In this embodiment, by operating the rotating structure, the placement plate 2 can be rotated, thereby rotating the horizontally placed raw material to an inclined position, and then transported to the furnace by the conveying component 4.

[0060] The alignment structure is located above the base plate 1 and at one end near the rotating structure, and is used to align the raw materials.

[0061] In this embodiment, by operating the alignment structure, the alignment structure will push the raw materials on the placement plate 2 towards the center, so that multiple sets of raw materials are aligned, making the subsequent handling process more stable, avoiding the phenomenon of center of gravity shift, and not affecting the conveying of raw materials.

[0062] like Figure 5 and Figure 6 As shown, the alignment structure includes: two sets of limiting members 18, two sets of moving members 19, a sliding assembly, two sets of moving blocks 20, two sets of threaded rods 21, a dual-axis motor 22, and a third electric push rod 23.

[0063] Two sets of limiting members 18 are disposed above the placement plate 2, and the distance between the two sets of limiting members 18 is greater than the length of the placement plate 2.

[0064] In this embodiment, the two sets of limiting members 18 will first move towards the center to align the raw material, and then move towards the direction of the rotating structure to push the raw material to move, and cooperate with the limiting plate 17 to align it.

[0065] Each set of movable components 19 consists of a vertical rod and two sets of horizontal rods. The two ends of the vertical rod are fixedly connected to one end of each of the two sets of horizontal rods; the other end of the upper horizontal rod is fixedly connected to the outside of the movable component 19.

[0066] In this embodiment, the moving member 19 can drive the limiting member 18 to move.

[0067] The two ends of the sliding component are fixedly connected to the surfaces of the two sets of vertical rods.

[0068] In this embodiment, the sliding component can restrict the movement direction of the two sets of moving parts 19.

[0069] The bottom end of each set of movable blocks 20 is fixedly connected to the surface of the lower crossbar; each set of threaded rods 21 passes through the movable block 20 and is threadedly connected to the movable block 20.

[0070] In this embodiment, when the threaded rod 21 rotates, the moving block 20 will move horizontally, and the moving block 20 will simultaneously drive the moving part 19 to move.

[0071] The two ends of the dual-axis motor 22 are fixedly connected to one end of the two sets of threaded rods 21.

[0072] In this embodiment, the dual-axis motor 22 has two output terminals, and the rotation directions of the two output terminals are the same. The model of the dual-axis motor 22 is selected according to actual needs, as long as it meets the working conditions. This dual-axis motor 22 is a technologically mature device on the market, and its internal structure is existing technology, so it will not be described in detail here.

[0073] The output end of the third electric push rod 23 is fixedly connected to the outside of the dual-axis motor 22.

[0074] In this embodiment, the model of the third electric push rod 23 is selected according to actual needs, as long as it meets the working conditions; the output end of the third electric push rod 23 can drive the dual-axis motor 22 to move, thereby driving the limiting member 18 to move.

[0075] When alignment is required, the dual-axis motor 22 is started. The two output ends of the dual-axis motor 22 drive the two sets of threaded rods 21 to rotate in the same direction. Since the thread directions of the two sets of threaded rods 21 are opposite, the two sets of moving blocks 20 move towards the center at the same time. The moving blocks 20 drive the limiting parts 18 to move through the moving parts 19. The two sets of limiting parts 18 work together to center and align the raw materials. Then, the third electric push rod 23 is adjusted. The output end of the third electric push rod 23 retracts to move the entire alignment structure towards the placement plate 2. With the cooperation of the limiting parts 18 and the limiting plate 17, the raw materials are aligned again, making the subsequent handling process more stable and avoiding the phenomenon of center of gravity shift, so as not to affect the conveying of raw materials.

[0076] like Figure 2 and Figure 6 As shown, the sliding assembly includes a sleeve 24 and a slide bar 25.

[0077] The sleeve 24 has a through hole inside; one end of the slide rod 25 extends into the through hole and is slidably connected to the sleeve 24 through the through hole.

[0078] In this embodiment, by sliding between the slide bar 25 and the sleeve 24, when the threaded rod 21 rotates, the moving block 20 and the moving part 19 can only move horizontally and cannot rotate.

[0079] like Figure 2 and Figure 8 As shown, the electromagnetic wire raw material conveying device also includes: a limiting plate 17; the limiting plate 17 is disposed above the placement plate 2 and located at the end away from the limiting member 18, and is used to cooperate with the limiting member 18 to align the raw material.

[0080] like Figure 8 and Figure 9 As shown, the rotating structure also includes: two sets of spur gears 12, two sets of racks 11, a moving rod 10, and a second electric push rod 9.

[0081] Two sets of spur gears 12 are symmetrically arranged on both sides of the placement plate 2, and the shaft of the spur gears 12 is fixedly connected to the placement plate 2.

[0082] In this embodiment, the rotation of the spur gear 12 drives the placement plate 2 to rotate, thereby tilting the raw material.

[0083] Each set of racks 11 is disposed on the edge of the spur gear 12 and meshes with the spur gear 12.

[0084] In this embodiment, when the rack 11 moves, the spur gear 12 will rotate; both the spur gear 12 and the rack 11 are made of high-strength steel and can withstand the weight of the raw materials.

[0085] The two ends of the moving rod 10 are fixedly connected to two sets of racks 11; the output end of the second electric push rod 9 is fixedly connected to the surface of the moving rod 10.

[0086] In this embodiment, the model of the second electric push rod 9 is selected according to actual needs, as long as it meets the working conditions; the output end of the second electric push rod 9 can push the moving rod 10 to move, and the moving rod 10 will simultaneously drive the two sets of racks 11 to move.

[0087] When it is necessary to rotate the raw material, adjust the second electric push rod 9. By retracting the output end of the second electric push rod 9, the moving rod 10 is pushed to move. The moving rod 10 will simultaneously drive the two sets of racks 11 to move. The racks 11 will cause the spur gear 12 to rotate, and the spur gear 12 will simultaneously rotate the placement plate 2, thereby tilting the raw material.

[0088] After tilting is completed, since there is no self-locking capability between the rack 11 and the spur gear 12, the self-locking is only achieved by the second electric push rod 9, which can easily damage the second electric push rod 9.

[0089] To address the aforementioned issues, this embodiment proposes an implementation method in which the electromagnetic wire raw material conveying device further includes: two sets of limiting components; each set of limiting components is connected to the spur gear 12 and is used to limit the rotation of the spur gear 12.

[0090] like Figure 8 and Figure 9 As shown, each set of limiting components includes: a limiting pin 13, a connector 14, a support rod 15, and an elastic element 16.

[0091] Specifically, one end of the limiting pin 13 extends into the tooth gap of the spur gear 12.

[0092] In this embodiment, the direction in which the placement plate 2 is tilted is the forward rotation, and the direction in which the placement plate 2 is reset is the reverse rotation; the reverse rotation of the spur gear 12 is prevented by inserting the limiting pin 13 into the tooth gap of the spur gear 12.

[0093] The connector 14 consists of a disc, a first round rod, and a second round rod. One end of the first round rod is fixedly connected to the axis of the disc, and the other end is fixedly connected to the other end of the limiting pin 13. The edge of the disc near the first round rod is fixedly connected to the second round rod.

[0094] In this embodiment, when the spur gear 12 rotates in the forward direction, it will push the limiting pin 13 outward, causing the limiting pin 13 to rotate outward, and the limiting pin 13 will simultaneously drive the connecting piece 14 to rotate.

[0095] The support rod 15 is sleeved on the outside of the first round rod and is rotatably connected to the first round rod; a groove is provided on the side of the support rod 15 near the disk.

[0096] In this embodiment, the support rod 15 can support the rotation of the connector 14.

[0097] The elastic element 16 is disposed between the support rod 15 and the disk, and is sleeved on the outside of the first round rod.

[0098] like Figure 7 and Figure 9 As shown, the elastic element 16 is a torsion spring; one end of the elastic element 16 is located in the groove, and the other end is in contact with the second round rod, so that when the connecting member 14 rotates, it can compress the elastic element 16.

[0099] In this embodiment, when the limiting pin 13 rotates away from the spur gear 12, the second round rod on the connecting member 14 will squeeze the torsion spring, thereby compressing the elastic member 16; the elastic member 16 is currently in a compressed state.

[0100] The electromagnetic wire material conveying device also includes an adsorption structure; the adsorption structure is located at the middle position above the base plate 1 and is used to adsorb the material.

[0101] like Figure 3 and Figure 4 As shown, the adsorption structure includes: a support frame 5, a vacuum suction cup 6, a vacuum pump 7, and a first electric push rod 8.

[0102] The vacuum suction cup 6 is located on the side of the support frame 5 near the placement plate 2.

[0103] In this embodiment, the vacuum suction cup 6 is placed on the surface of the raw material, and the space between the vacuum suction cup 6 and the raw material is extracted, thereby sucking up the raw material.

[0104] The output end of the vacuum pump 7 passes through the support frame 5 and is connected to the vacuum suction cup 6.

[0105] In this embodiment, the model of the vacuum pump 7 is selected according to actual needs, as long as it meets the working conditions; the vacuum pump 7 is a technologically mature device on the market, and its internal structure is existing technology, so it will not be described in detail here.

[0106] The output end of the first electric push rod 8 is fixedly connected to the support frame 5.

[0107] In this embodiment, the model of the first electric push rod 8 is selected according to actual needs, as long as it meets the working conditions; the output end of the first electric push rod 8 can push the support frame 5 to move horizontally, so that the vacuum suction cup 6 comes into contact with the raw material.

[0108] Working principle:

[0109] When using this electromagnetic wire raw material conveying device, the raw material is placed on the placement plate 2. When alignment is required, the dual-axis motor 22 is started. The two output ends of the dual-axis motor 22 drive the two sets of threaded rods 21 to rotate in the same direction. Since the thread directions of the two sets of threaded rods 21 are opposite, the two sets of moving blocks 20 move towards the center at the same time. The moving blocks 20 drive the limiting parts 18 to move through the moving parts 19. The two sets of limiting parts 18 work together to center and align the raw material. Then, the third electric push rod 23 is adjusted. The output end of the third electric push rod 23 retracts to move the entire alignment structure towards the placement plate 2. With the cooperation of the limiting parts 18 and the limiting plate 17, the raw material is aligned again, making the subsequent handling process more stable and avoiding the phenomenon of center of gravity shift, so as not to affect the conveying of raw materials.

[0110] When it is necessary to rotate the raw material, adjust the second electric push rod 9. By retracting the output end of the second electric push rod 9, the moving rod 10 is pushed to move. The moving rod 10 will simultaneously drive the two sets of racks 11 to move. The racks 11 will cause the spur gear 12 to rotate, and the spur gear 12 will simultaneously rotate the placement plate 2, thereby tilting the raw material.

[0111] As the spur gear 12 rotates, when the tooth tip contacts the limiting pin 13, it pushes the limiting pin 13 outward. At the same time, the limiting pin 13 drives the connecting piece 14 to rotate. The second round rod on the connecting piece 14 cooperates with the support rod 15 to compress the elastic element 16. When the tooth gap contacts the limiting pin 13, the elastic element 16 will rebound, causing the limiting pin 13 to insert into the tooth gap, preventing the spur gear 12 from rotating and completing the self-locking.

[0112] Subsequently, the first electric push rod 8 is adjusted, and the output end of the first electric push rod 8 pushes the support frame 5 to move towards the placement plate 2, so that the vacuum suction cup 6 comes into contact with the raw material. At this time, the vacuum pump 7 is started, and the vacuum pump 7 will extract the air between the vacuum suction cup 6 and the raw material, thereby sucking up the raw material and making the tilted raw material into a vertical state. Then, the material is picked up by the conveying component 4 and sent to the furnace to realize the conveying of the raw material.

[0113] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. An electromagnetic wire raw material conveying device, characterized in that: include: Base plate (1); Two sets of gantry frames (3) are set on the upper sides of the base plate (1); the surface of the gantry frames (3) is provided with slide rails; The transport assembly (4) is disposed in the slide rail and is slidably connected to the two sets of the gantry frames (3) through the slide rail; A rotating structure is disposed at one end above the base plate (1); the rotating structure includes a placement plate (2) for placing raw materials; An alignment structure is disposed above the base plate (1) and located at one end near the rotating structure, for aligning raw materials.

2. The electromagnetic wire raw material conveying device according to claim 1, characterized in that: The alignment structure includes: Two sets of limiting members (18) are disposed above the placement plate (2), and the distance between the two sets of limiting members (18) is greater than the length of the placement plate (2); Two sets of movable parts (19), each set of movable parts (19) consists of a vertical rod and two sets of horizontal rods, the two ends of the vertical rod are fixedly connected to one end of the two sets of horizontal rods; the other end of the upper horizontal rod is fixedly connected to the outside of the movable part (19); A sliding assembly, the two ends of which are fixedly connected to the surfaces of the two sets of vertical rods; Two sets of movable blocks (20), the bottom end of each set of movable blocks (20) is fixedly connected to the surface of the crossbar below; Two sets of threaded rods (21), each set of threaded rods (21) passing through the movable block (20) and threadedly connected to the movable block (20); A dual-axis motor (22) is fixedly connected at both ends to one end of two sets of threaded rods (21); The third electric push rod (23) is fixedly connected to the outside of the dual-axis motor (22) at its output end.

3. The electromagnetic wire raw material conveying device according to claim 2, characterized in that: The sliding component includes: Sleeve (24), the sleeve (24) having a through hole inside; A slide rod (25), one end of which extends into the through hole and is slidably connected to the sleeve (24) through the through hole.

4. The electromagnetic wire raw material conveying device according to claim 2, characterized in that: Also includes: Limiting plate (17); The limiting plate (17) is disposed above the placement plate (2) and located at the end away from the limiting member (18), and is used to cooperate with the limiting member (18) to align the raw material.

5. The electromagnetic wire raw material conveying device according to claim 1, characterized in that: The rotating structure further includes: Two sets of spur gears (12) are symmetrically arranged on both sides of the placement plate (2), and the axis of the spur gears (12) is fixedly connected to the placement plate (2); Two sets of racks (11), each set of racks (11) is disposed on the edge of the spur gear (12) and meshes with the spur gear (12); The movable rod (10) has its two ends fixedly connected to the two sets of racks (11); The output end of the second electric push rod (9) is fixedly connected to the surface of the moving rod (10).

6. The electromagnetic wire raw material conveying device according to claim 5, characterized in that: Also includes: Two sets of limiting components; each set of the limiting components is connected to the spur gear (12) to limit the rotation of the spur gear (12).

7. The electromagnetic wire raw material conveying device according to claim 6, characterized in that: Each set of limiting components includes: A limiting pin (13), one end of which extends into the tooth gap of the spur gear (12); The connector (14) consists of a disc, a first round rod, and a second round rod. One end of the first round rod is fixedly connected to the axis of the disc, and the other end is fixedly connected to the other end of the limiting pin (13). The edge of the disc near the first round rod is fixedly connected to the second round rod. A support rod (15) is sleeved on the outside of the first round rod and is rotatably connected to the first round rod; the support rod (15) has a groove on the side near the disc; An elastic element (16) is disposed between the support rod (15) and the disk, and is sleeved on the outside of the first round rod.

8. The electromagnetic wire raw material conveying device according to claim 7, characterized in that: The elastic element (16) is a torsion spring; one end of the elastic element (16) is located in the groove, and the other end is in contact with the second round rod, so that when the connecting member (14) rotates, the elastic element (16) can be compressed.

9. The electromagnetic wire raw material conveying device according to claim 1, characterized in that: Also includes: Adsorption structure; the adsorption structure is located at the middle position above the base plate (1) and is used to adsorb raw materials.

10. The electromagnetic wire raw material conveying device according to claim 9, characterized in that: The adsorption structure includes: Support frame (5); A vacuum suction cup (6) is disposed on the side of the support frame (5) near the placement plate (2); A vacuum pump (7) has its output end passing through the support frame (5) and connected to the vacuum suction cup (6); The first electric push rod (8) is fixedly connected to the support frame (5) at its output end.

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