A turning device and operation method for processing transformer insulation paperboard

Abstract

The present invention discloses a turning device and operating method for processing transformer insulating paperboard, comprising a base and a frame connected to the top of the base, the frame being connected to a support mechanism for supporting the insulating paperboard, the support mechanism comprising a motor, two U-shaped plates, two turntables, studs, and a pressure plate, the base being connected to a collection mechanism for collecting waste, the collection mechanism comprising a collection box, two wedge-shaped blocks, four drive plates, four support blocks, and two cross plates, the cross plates being connected to a clamping mechanism for positioning the turntables, and the base being connected to a drive mechanism for driving the two cross plates toward or away from each other. The present invention achieves comprehensive fixation of the sheet material, improves the stability of the sheet material, and also achieves the purpose of centering, placing the sheet material in an appropriate position for subsequent processing. The waste produced by the processing is temporarily stored in the collection box, achieving waste collection, facilitating the turning of the sheet material, and facilitating the turning of the turned surface.

Description

Technical Field

[0001] The invention relates to the technical field of transformer insulation paperboard processing, in particular to a turning device and an operating method for transformer insulation paperboard processing. Background Art

[0002] A power transformer is a static electrical device used to convert an AC voltage (current) of a certain value into another or several different voltages (currents) of the same frequency. In order to transmit electrical energy, a static device with two or more windings converts the AC voltage and current of one system into the voltage and current of another system at the same frequency through electromagnetic induction. These current and voltage values ​​are usually different. Existing power transformers require insulating cardboard during assembly. During processing, the cardboard is usually manually lifted and flipped, and then the position of the cardboard is adjusted multiple times to position it for processing. This operation is laborious and time-consuming. Furthermore, the waste residue generated during processing is randomly scattered on the workbench, making it difficult to clean and difficult to collect, causing significant pollution to the workbench. Summary of the Invention

[0003] The purpose of the present invention is to provide a turning device and operating method for processing transformer insulating paperboard, which has the advantages of improving the stability of the board and achieving the centering purpose, so that the board is in a suitable position, which is convenient for subsequent processing. The waste produced by the processing is temporarily stored in a collection box to realize the collection of the waste, and it is also convenient to turn over the board and facilitate the processing of the turned surface, thereby solving the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a turning device for processing transformer insulating paperboard, comprising a base and a frame connected to the top of the base, the frame being connected to a supporting mechanism for supporting the insulating paperboard, the supporting mechanism comprising a motor 1, two U-shaped plates, two turntables, a stud, and a pressure plate, the motor 1 being used to drive the two U-shaped plates to rotate synchronously, the U-shaped plates being connected to the inner sides of the corresponding turntables, the turntables being rotatably connected to the frame, the studs being connected to the U-shaped plates, and the studs being used to drive the pressure plates to rise and fall, the base being connected to a collecting mechanism for collecting waste, the collecting mechanism comprising a collection box, two wedge blocks, four drive plates, four support blocks, and two cross plates, the two sides of the collection box being connected to the wedge blocks, the two ends of the drive plate being connected to the collection box and the corresponding support blocks, and the support blocks being slidably connected to the top of the base, the two ends of the cross plate being connected to the corresponding two support blocks, the cross plate being connected to a pressing mechanism for positioning the turntable, and the base being connected to a driving mechanism for driving the two cross plates to approach or move away from each other;

[0005] When the insulating paperboard is in a positioned state, the collecting box is supported on the insulating paperboard, the two wedge blocks are pressed against the front and rear ends of the insulating paperboard, and the pressing mechanism is pressed against the turntable.

[0006] Preferably, the support mechanism further includes a handle, the handle is connected to the top of the stud, the bottom of the stud is rotatably connected to the pressure plate, and the stud is threadedly connected to the U-shaped plate.

[0007] Preferably, a vertical groove is provided on the inner side of the U-shaped plate, and the pressing plate is slidably connected to the vertical groove.

[0008] Preferably, the motor 1 is fixed to the frame, and the power output end of the motor 1 is connected to the corresponding turntable.

[0009] Preferably, the top of the aggregate box is open, and an aggregate trough is provided in the aggregate box.

[0010] Preferably, the clamping mechanism includes a movable plate, a fixed cylinder, a pressing rod, a spring, a sliding block, and a positioning head. The two ends of the pressing rod are connected to the sliding block and the positioning head. The sliding block is slidably connected in the fixed cylinder. The two ends of the spring are connected to the sliding block and the fixed cylinder. The fixed cylinder is fixed to the movable plate, and the end of the movable plate is connected to the horizontal plate.

[0011] Preferably, two positioning grooves are provided on one side of the turntable, and the positioning head matches the positioning grooves.

[0012] Preferably, a guide groove is provided at the bottom of the movable plate, a support plate is installed at the top of the base, and the top of the support plate is slidably connected to the guide groove.

[0013] Preferably, the driving mechanism includes a second motor and a screw, the second motor is fixed to the base, and the power output end of the second motor is connected to the screw, the screw passes through the two movable plates, and the screw is threadedly connected to the two movable plates.

[0014] A method for operating a flip device, comprising the following steps:

[0015] Step 1: Insert both ends of the plate into the U-shaped plate, rotate the two handles to drive the corresponding studs to rotate, so that the pressure plate presses on the end of the plate to achieve initial limit.

[0016] Step 2: Motor 2 drives the screw to rotate, which can make the two moving plates approach each other, that is, the two horizontal plates approach each other, and the horizontal plates apply thrust to the corresponding two support blocks, which can make the support blocks move toward the middle direction of the base, that is, the support blocks apply thrust to the driving plate, which can lift the aggregate box; at the same time, the movement of the moving plate drives the fixed cylinder, the pressing rod, and the positioning head to move forward. When the aggregate box is pressed on the bottom of the plate, the two wedge blocks are connected to the front and rear end of the plate, which can not only realize the comprehensive positioning of the plate, but also realize the centering purpose. The processed waste is temporarily stored in the aggregate box to realize the collection of the waste. The positioning head is pressed against the corresponding positioning groove to realize the positioning and locking of the turntable, thereby improving the stability of the U-shaped plate and further improving the stability of the plate.

[0017] Step 3: When a certain surface of the plate is processed, motor 2 drives the screw to rotate, so that the two movable plates move away from each other, that is, the two horizontal plates approach each other, and the horizontal plates apply pulling force to the two corresponding support blocks, so that the support blocks move in the middle direction away from the base, driving the aggregate box to move downward. At the same time, the positioning head is separated from the positioning slot to loosen the turntable. When the aggregate box moves down to an appropriate position, motor 1 drives the two turntables to rotate 180°, thereby driving the flipping of the plate, and repeating step 2 to fix the plate again to facilitate the processing of the flipped surface.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention is provided with a supporting mechanism, a collecting mechanism, and a pressing mechanism. The supporting mechanism includes a motor 1, two U-shaped plates, two turntables, a stud, a pressure plate, and a handle. The collecting mechanism includes a collection box, two wedge blocks, four driving plates, four support blocks, and two cross plates. The pressing mechanism includes a movable plate, a fixed cylinder, a pressing rod, a spring, a sliding block, and a positioning head. The two ends of the plate are inserted into the two U-shaped plates, and the rotating handle drives the stud to rotate so that the pressure plate is pressed against the plate to achieve preliminary limiting of the plate. Motor 2 can drive the two movable plates to approach each other, and then drive the corresponding support blocks to move toward the middle direction of the base, and apply thrust to the driving plate to lift the collection box. At the same time, the movement of the movable plate can drive the fixed cylinder, the pressing rod, and the positioning head to move forward. When the collection box is pressed tightly against the bottom of the plate, the two wedge blocks are connected At the front and rear ends of the plate, the plate is fully fixed, the stability of the plate is improved, and the centering purpose is achieved, so that the plate is in a suitable position for subsequent processing, and the waste produced by processing is temporarily stored in the collection box to collect the waste. At the same time, the positioning head is pressed against the corresponding positioning groove, and the turntable is locked, which can improve the stability of the U-shaped plate and prevent rotation, further ensuring the stability of the plate. The operation is flexible and convenient, and the practicality is strong. When a certain surface is processed, the second motor drives the screw to rotate, so that the support block moves away from the middle direction of the base, driving the collection box to move downward. At the same time, the positioning head is separated from the positioning groove to loosen the turntable. When the collection box moves down to a suitable position, the first motor drives the two turntables to rotate 180°, thereby driving the flipping of the plate, and repeating the above steps to fix the plate again for the convenience of processing the flipped surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front perspective view of the present invention; (the insulating paperboard is in a positioned state)

[0020] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0021] Figure 3 It is a structural schematic diagram of the pressing mechanism of the present invention;

[0022] Figure 4 A perspective view of the present invention (without insulating cardboard)

[0023] Figure 5 It is a schematic diagram of the bottom structure of the aggregate box of the present invention.

[0024] In the figure: 1. Base; 2. Frame; 3. Motor 1; 4. Positioning groove; 5. Turntable; 6. Stud; 7. U-shaped plate; 8. Collecting box; 9. Wedge block; 10. Drive plate; 11. Bracket; 12. Fixed cylinder; 13. Pressing rod; 14. Moving plate; 15. Motor 2; 16. Support plate; 17. Screw; 18. Slide; 19. Support block; 20. Handle; 21. Pressing plate; 22. Spring; 23. Sliding block; 24. Positioning head; 25. Pressing surface; 26. Collecting trough; 27. Reinforcement plate; 28. Horizontal plate; 29. ​​Guide groove. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figures 1 to 5 The present invention provides a turning device for processing transformer insulating paperboard, comprising a base 1 and a frame 2 connected to the top of the base 1, the frame 2 being connected to a supporting mechanism for supporting the insulating paperboard, the supporting mechanism comprising a motor 3, two U-shaped plates 7, two turntables 5, a stud 6, and a pressing plate 21, the motor 3 being used to drive the two U-shaped plates 7 to rotate synchronously, the U-shaped plates 7 being connected to the inner sides of the corresponding turntables 5, the turntables 5 being rotatably connected to the frame 2, which can improve the rotation stability of the turntable 5, the studs 6 being connected to the U-shaped plates 7, and the studs 6 being used to drive the pressing plate 21 to rise and fall. The base 1 is connected to a collection mechanism for collecting waste. The collection mechanism includes a collection box 8, two wedge blocks 9, four drive plates 10, four support blocks 19, and two cross plates 28. The two sides of the collection box 8 are connected to the wedge blocks 9. The two ends of the drive plate 10 are hinged to the collection box 8 and the corresponding support blocks 19. The support blocks 19 are slidably connected to the chute 18 provided on the top of the base 1. The chute 18 provides a good guide for the support blocks 19, ensuring stable reciprocating movement. The two ends of the cross plates 28 are connected to the corresponding two support blocks 19. The cross plates 28 are connected to a clamping mechanism for positioning the turntable 5. The base 1 is connected to a drive mechanism for driving the two cross plates 28 toward or away from each other.

[0027] The two ends of the plate are inserted into the two U-shaped plates 7, and the rotating handle 20 drives the stud 6 to rotate, so that the pressure plate 21 is pressed on the plate to achieve preliminary limit of the plate. The motor 2 15 drives the screw 17 to rotate, and then drives the two movable plates 14 to approach each other, driving the corresponding support blocks 19 to move toward the middle direction of the base 1, applying thrust to the driving plate 10, and the collection box 8 can be lifted up; at the same time, the movement of the movable plate 14 can drive the fixed cylinder 12, the pressing rod 13, and the positioning head 24 to move forward. When the collection box 8 is pressed tightly against the bottom of the plate, the two wedge blocks 9 are connected to the front and rear ends of the plate, thereby achieving comprehensive fixation of the plate, improving the stability of the plate, and also achieving the purpose of centering, so that the plate is in a suitable position for subsequent processing, and the waste produced by processing is temporarily stored in the collection box 8 to achieve waste collection, and at the same time, the positioning head 24 is pressed tightly against the corresponding positioning groove 4, thereby locking the turntable 5, which can improve the stability of the U-shaped plate 7 and prevent rotation, further ensuring the stability of the plate and flexible and convenient operation.

[0028] When a certain surface is processed, motor 2 15 drives the screw 17 to rotate, so that the support block 19 moves away from the middle direction of the base 1, driving the aggregate box 8 to move downward. At the same time, the positioning head 24 is separated from the positioning groove 4, and the turntable 5 is loosened. When the aggregate box 8 moves down to an appropriate position, motor 1 3 drives the two turntables 5 to rotate 180°, thereby driving the flipping of the plate. Repeat the above steps and fix the plate again to facilitate the processing of the flipped surface.

[0029] The support mechanism also includes a handle 20 connected to the top of the stud 6. The bottom of the stud 6 is rotatably connected to a pressure plate 21, and the stud 6 is threadedly connected to the U-shaped plate 7. When the handle 20 is rotated to drive the pressure plate 21 to press the plate, the pressure of the pressure plate 21 on the plate is appropriate to prevent slipping during the turning process. It does not need to be locked, providing a good foundation for the subsequent centering of the plate by the wedge block 9.

[0030] A vertical groove is provided on the inner side of the U-shaped plate 7 , and the pressing plate 21 is slidably connected to the vertical groove, thereby improving the stability of the pressing plate 21 when it is lifted or lowered.

[0031] Motor 1 3 is fixed to the frame 2 , and the power output end of motor 1 3 is connected to the corresponding turntable 5 .

[0032] The top of the collection box 8 is open, and a collection trough 26 is provided inside the collection box 8. When the plate is processed, the collection trough 26 can collect the waste very well. At the same time, when the top of the collection box 8 is connected to the plate, the phenomenon of suspended particles of the waste being lifted up is reduced, and it is prevented from being scattered into the surrounding air, thereby creating a better working environment. The top of the collection box 8 is connected to a reinforcing plate 27. The top of the reinforcing plate 27 is aligned with the top of the collection box 8, which can not only strengthen the structure of the collection box 8, but also provide good support for the plate, reducing the deformation of the plate during processing. For example, when drilling near the middle of the plate, the impact force of the drill bit is large, which can easily cause deformation of the plate, and the reinforcing plate 27 makes the plate evenly stressed.

[0033] The clamping mechanism includes a movable plate 14, a fixed cylinder 12, a pressing rod 13, a spring 22, a sliding block 23, and a positioning head 24. The pressing rod 13 has two ends connected to the sliding block 23 and positioning head 24. The sliding block 23 is slidably connected within the fixed cylinder 12. The spring 22 has two ends connected to the sliding block 23 and the fixed cylinder 12. The fixed cylinder 12 is fixed to the movable plate 14, and the end of the movable plate 14 is connected to the cross plate 28. When the positioning head 24 is connected to the positioning slot 4, the material collection box 8 has not yet contacted the plate, thus limiting the position of the turntable 5 to prevent rotation. This, in turn, limits the position of the U-shaped plate 7, allowing the plate to be in a horizontal position, providing a good foundation for the subsequent support of the material collection box 8. When the top of the material collection box 8 is pressed against the plate, the positioning head 24 is pressed against the positioning slot 4, and the sliding block 23 moves forward relative to the fixed cylinder 12, and the spring 22 is in a compressed state.

[0034] Two positioning grooves 4 are provided on one side of the turntable 5. The positioning heads 24 match the positioning grooves 4. The two positioning grooves 4 are located on the same straight line, that is, when one positioning groove 4 is directly below, the other positioning groove 4 is directly above, and the plate is in a horizontal state.

[0035] A guide groove 29 is provided at the bottom of the movable plate 14, and a support plate 16 is installed on the top of the base 1. The top of the support plate 16 is slidably connected to the guide groove 29, which can not only improve the stability of the movement of the movable plate 14, but also provide good support for the movable plate 14.

[0036] The driving mechanism includes a second motor 15 and a screw 17. The second motor 15 is fixed to the base 1, and the power output end of the second motor 15 is connected to the screw 17. The screw 17 passes through the two movable plates 14, and the screw 17 is threadedly connected to the two movable plates 14. The internal threads of the two movable plates 14 are in opposite directions.

[0037] A bracket 11 is installed at the top center of the base 1. When the plate is not processed, the collection box 8 is connected to the bracket 11 to provide good support for the collection box 8, and the screw 17 is rotatably connected to the support plate 16 and the bracket 11, which can improve the stability of the rotation of the screw 17.

[0038] A pressing surface 25 is provided on one side of the wedge block 9. The pressing surface 25 is a smooth inclined surface. When the aggregate box 8 moves upward, the front and rear ends of the plate slide on the pressing surface 25, gradually adjusting the position of the plate until it is in the middle position.

[0039] When the plate is processed, that is, the collecting box 8 is supported on the bracket 11, the motor 3 can drive the plate to rotate 360 ​​degrees, which is convenient for people to observe in all directions.

[0040] A method for operating a turning device, characterized by comprising the following steps:

[0041] Step 1: Insert the two ends of the plate into the U-shaped plate 7, rotate the two handles 20 to drive the corresponding studs 6 to rotate, so that the pressure plate 21 presses on the end of the plate to achieve preliminary limiting.

[0042] Step 2: Motor 2 15 drives the screw 17 to rotate, which can make the two movable plates 14 approach each other, that is, the two cross plates 28 approach each other, and the cross plates 28 apply a thrust to the corresponding two support blocks 19, which can make the support blocks 19 move toward the middle direction of the base 1, that is, the support blocks 19 apply a thrust to the driving plate 10, which can lift the collection box 8; at the same time, the movement of the movable plate 14 drives the fixed cylinder 12, the pressing rod 13, and the positioning head 24 to move forward. When the collection box 8 is pressed on the bottom of the plate, the two wedge blocks 9 are connected to the front and rear ends of the plate, which can not only achieve comprehensive positioning of the plate, but also achieve the purpose of centering, and the processed waste is temporarily stored in the collection box 8 to achieve waste collection, and the positioning head 24 is pressed against the corresponding positioning groove 4 to achieve positioning and locking of the turntable 5, thereby improving the stability of the U-shaped plate 7 and further improving the stability of the plate;

[0043] Step 3: When a certain surface of the plate is processed, the motor 2 15 drives the screw 17 to rotate, so that the two movable plates 14 move away from each other, that is, the two horizontal plates 28 approach each other, and the horizontal plates 28 apply a pulling force to the two corresponding support blocks 19, so that the support blocks 19 move in the middle direction away from the base 1, driving the aggregate box 8 to move downward. At the same time, the positioning head 24 separates from the positioning groove 4 to loosen the turntable 5. When the aggregate box 8 moves down to an appropriate position, the motor 1 3 drives the two turntables 5 to rotate 180°, thereby driving the flipping of the plate, and repeating step 2 to fix the plate again to facilitate the processing of the flipped surface.

[0044] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A turning device for transformer insulation paperboard processing, characterized in that: The invention comprises a base (1) and a frame (2) connected to the top of the base (1), wherein the frame (2) is connected to a support mechanism for supporting insulating paperboard, wherein the support mechanism comprises a motor (3), two U-shaped plates (7), two turntables (5), a stud (6), and a pressure plate (21), wherein the motor (3) is used to drive the two U-shaped plates (7) to rotate synchronously, wherein the U-shaped plates (7) are connected to the inner sides of the corresponding turntables (5), wherein the turntables (5) are rotatably connected to the frame (2), wherein the stud (6) is connected to the U-shaped plates (7), and wherein the stud (6) is used to drive the pressure plate (21) to rise and fall, and wherein the base (1) is connected to a collection mechanism for collecting waste. The collecting mechanism includes a material collecting box (8), two wedge blocks (9), four driving plates (10), four support blocks (19), and two transverse plates (28). Both sides of the material collecting box (8) are connected to the wedge blocks (9). Both ends of the driving plate (10) are connected to the material collecting box (8) and the corresponding support blocks (19). The support blocks (19) are slidably connected to the top of the base (1). Both ends of the transverse plate (28) are connected to the corresponding two support blocks (19). The transverse plate (28) is connected to a clamping mechanism for positioning the turntable (5). The base (1) is connected to a driving mechanism for driving the two transverse plates (28) to move closer to or away from each other. When the insulating cardboard is in a positioned state, the collecting box (8) is supported on the insulating cardboard, the two wedge blocks (9) are pressed against the front and rear ends of the insulating cardboard, and the pressing mechanism is pressed against the turntable (5); The pressing mechanism includes a movable plate (14), a fixed cylinder (12), a pressing rod (13), a spring (22), a sliding block (23), and a positioning head (24); both ends of the pressing rod (13) are connected to the sliding block (23) and the positioning head (24); the sliding block (23) is slidably connected in the fixed cylinder (12); both ends of the spring (22) are connected to the sliding block (23) and the fixed cylinder (12); the fixed cylinder (12) is fixed to the movable plate (14); and the end of the movable plate (14) is connected to the transverse plate (28); Two positioning grooves (4) are provided on one side of the turntable (5), and the positioning heads (24) match the positioning grooves (4).

2. The turning device for transformer insulation paperboard processing according to claim 1 is characterized in that: The support mechanism further comprises a handle (20), wherein the handle (20) is connected to the top of the stud (6), the bottom of the stud (6) is rotatably connected to the pressure plate (21), and the stud (6) is threadedly connected to the U-shaped plate (7).

3. The turning device for transformer insulation paperboard processing according to claim 2, characterized in that: A vertical groove is provided on the inner side of the U-shaped plate (7), and the pressing plate (21) is slidably connected to the vertical groove.

4. The turning device for transformer insulation paperboard processing according to claim 1, characterized in that: The motor 1 (3) is fixed to the frame (2), and the power output end of the motor 1 (3) is connected to the corresponding turntable (5).

5. The turning device for transformer insulation paperboard processing according to claim 1, characterized in that: The top of the material collection box (8) is open, and a material collection trough (26) is provided in the material collection box (8).

6. The turning device for transformer insulation paperboard processing according to claim 1, characterized in that: A guide groove (29) is provided at the bottom of the movable plate (14), a support plate (16) is installed at the top of the base (1), and the top of the support plate (16) is slidably connected to the guide groove (29).

7. The turning device for transformer insulation paperboard processing according to claim 1, characterized in that: The driving mechanism comprises a second motor (15) and a screw (17), wherein the second motor (15) is fixed to the base (1), and the power output end of the second motor (15) is connected to the screw (17), and the screw (17) passes through the two movable plates (14), and the screw (17) is threadedly connected to the two movable plates (14).

8. The method for operating a turning device according to any one of claims 1 to 7, characterized in that: The following steps are included: Step 1: Insert the two ends of the plate into the U-shaped plate (7), rotate the two handles (20) to drive the corresponding studs (6) to rotate, so that the pressure plate (21) presses on the end of the plate to achieve preliminary limit; Step 2: Motor 2 (15) drives the screw (17) to rotate, so that the two movable plates (14) are moved closer to each other, that is, the two transverse plates (28) are moved closer to each other, and the transverse plates (28) apply a thrust to the corresponding two support blocks (19), so that the support blocks (19) can move toward the middle direction of the base (1), that is, the support blocks (19) apply a thrust to the driving plate (10), so that the collection box (8) can be lifted up; at the same time, the movement of the movable plate (14) drives the fixed cylinder (12), the pressing rod (13), and the positioning head (24) to move forward. When the collection box (8) is pressed on the bottom of the plate, the two wedge blocks (9) are connected to the front and rear ends of the plate, which can achieve full positioning of the plate and the purpose of centering. The waste produced by processing is temporarily stored in the collection box (8) to achieve the collection of the waste. The positioning head (24) is pressed against the corresponding positioning groove (4) to achieve the positioning and locking of the turntable (5), thereby improving the stability of the U-shaped plate (7) and further improving the stability of the plate; Step 3: When a certain surface of the plate is processed, the motor 2 (15) drives the screw (17) to rotate, so that the two movable plates (14) move away from each other, that is, the two transverse plates (28) move closer to each other, and the transverse plates (28) apply a pulling force to the two corresponding support blocks (19), so that the support blocks (19) move in the middle direction away from the base (1), driving the collection box (8) to move downward. At the same time, the positioning head (24) is separated from the positioning groove (4), and the turntable (5) is loosened. When the collection box (8) moves down to a suitable position, the motor 1 (3) drives the two turntables (5) to rotate 180 degrees, thereby driving the plate to flip. Repeat step 2 and fix the plate again to facilitate the processing of the flipped surface.

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