Integrated circuit board processing and manufacturing equipment

Abstract

This invention discloses an integrated circuit board processing and manufacturing equipment, belonging to the field of integrated circuit boards. It includes a transmission base, with two storage boxes disposed on the left side of the upper surface of the transmission base. Symmetrical through-slots are formed on the lower front and rear surfaces of each storage box. Segmenting pieces are slidably connected inside the through-slots. Movable slots are formed on the upper surfaces of the segmenting pieces. Fixed pieces are fixedly connected to both sides of the upper surface of each segmenting piece. A stop piece is fixedly connected to the front surface of each segmenting piece near the movable slot. Fixed pieces are fixedly connected to the front and rear surfaces of each storage box. A shaft is rotatably connected to the lower surface of the fixed pieces via a rotating shaft. Starting a drive motor rotates a dial, which meshes with a gear two via an arc-shaped rack, intermittently rotating a transmission wheel. Under the connection of the rotating shaft, two transmission belts are intermittently driven.

Description

Technical Field

[0001] The invention relates to the field of integrated circuit boards, and in particular to an integrated circuit board processing and manufacturing device. Background Art

[0002] Integrated circuit boards are made by using semiconductor manufacturing technology to manufacture many transistors, resistors, capacitors and other components on a small single-crystal silicon wafer, and then combine the components into a complete electronic circuit by multi-layer wiring or tunnel wiring. With the continuous growth of market demand for miniaturized handheld electronic devices, the integration of electronic device packaging and circuit boards is becoming more and more dense and multi-layered, which requires the through-holes on the circuit board to be smaller and more precise, so processing drilling equipment is often used.

[0003] Patent Publication No. (CN108428652A) discloses an integrated circuit board drilling device in the field of drilling device technology, wherein a hydraulic telescopic rod is arranged on the left side of the bottom of the fixing rod, the bottom of the sleeve rod is movably connected to the drill bit fixing rod through a matching vertical internal threaded hole and the threaded rod, a fixing hole is arranged on the left side of the transverse clamping bolt, a drill bit is arranged on the bottom of the drill bit fixing rod, a clamping block is arranged on the rear end face of the fixing plate, an inner fixing plate is arranged on the right rear end face of the feed platform, and a conveyor belt control device is arranged on the right bottom of the front end face of the feed platform. The integrated circuit board drilling device has a simple structure and is easy to operate. The drill bit fixing rod and the drill bit are an integrated structure, which is threadedly connected to the sleeve rod through the threaded rod arranged on the drill bit fixing rod, and then fixedly connected through the transverse clamping bolt, and an auxiliary motor is added to drive the conveying device arranged on the feed platform to perform transmission movement, and a fixed clamping block and a movable clamping block are used to fix and clamp the material;

[0004] In the above technology, drilling is performed by a single drill bit, the working effect is low, and the integrated circuit board cannot be automatically placed with the transmission, so it needs to be improved. For this reason, we propose an integrated circuit board processing and manufacturing equipment. Summary of the invention

[0005] Purpose of the invention: The purpose of the present invention is to provide a device with higher drilling efficiency; another purpose of the present invention is to provide a device that is convenient for automatic transmission of circuit boards.

[0006] Technical solution: An integrated circuit board processing and manufacturing equipment comprises a transmission seat, two storage boxes are arranged on the left side of the upper surface of the transmission seat, and through-type through grooves are symmetrically opened at the lower part of the front surface and the lower part of the rear surface of the storage box, a split piece is slidably connected inside the through groove, a movable groove is opened on the upper surface of the split piece, a fixing piece 1 is fixedly connected to both sides of the upper surface of the split piece, a butt piece is fixedly connected to the front surface of the split piece near the movable groove, a fixing piece 2 is fixedly connected to the front and rear surfaces of the storage box, a shaft rod is rotatably connected to the lower surface of the fixing piece 2 through a rotating shaft, the bottom end of the shaft rod passes through the two movable grooves opposite to each other in upper and lower directions, and is fixedly connected to a gear 1, an outer wall of the shaft rod is fixedly connected to an extrusion cam near the butt piece, and the outer wall of the extrusion cam is connected to the outer wall of the butt piece;

[0007] The inner front surface and the inner rear surface of the transmission seat are rotatably connected to two transmission wheels 1 via a rotating shaft, and the outer side walls of the two transmission wheels 1 opposite to each other on the left and right are commonly connected to a transmission belt for transmission, the inner front surface and the inner rear surface of the transmission seat are located on the inner sides of the two transmission belts and are rotatably connected to transmission wheels 2 via a rotating shaft, and the opposite ends of the central axes of the two transmission wheels 2 are located on the outer sides of the transmission seat and are fixedly connected to double-headed cams, and tooth plates are provided on both sides of the double-headed cams, and the tooth plates are meshed with the gear 1, and two drilling mechanisms are provided on the right side of the transmission seat.

[0008] Furthermore, a spring 1 is fixedly connected between the fixing plate 1 and the storage box.

[0009] Furthermore, a plurality of supporting legs are fixedly connected to the bottom of the transmission seat.

[0010] Furthermore, a plurality of support plates are fixedly connected between the transmission seat and the storage box.

[0011] Furthermore, a transverse groove is provided on the front surface of the tooth plate, and a fixing block is fixedly connected to the front and rear surfaces of the transmission seat inside the plurality of transverse grooves, and a spring 2 is fixedly connected between the fixing block and the transverse groove, and a linkage ring groove is provided on the side of the double-headed cam away from the transmission seat, and a connecting column is fixedly connected to the rear surface of the tooth plate inside the linkage ring groove.

[0012] Furthermore, a driving motor is fixedly connected to the front surface of the transmission seat, a dial is fixedly connected to the front end of the output shaft of the driving motor, an arc-shaped rack is fixedly connected to the outer wall of the dial, a gear 2 is fixedly connected to the front end of the central axis of the transmission wheel 1 located at the right front inside the transmission seat, the arc-shaped rack is meshed with the gear 2, and a rotating rod is fixedly connected between the two transmission wheels 1 facing each other.

[0013] Furthermore, the inner lower surface of the transmission seat is located below the two drilling mechanisms and is fixedly connected to two hollow tubes, a piston is slidably connected inside the hollow tube, an extension rod is fixedly connected to the upper surface of the piston, the top ends of the two extension rods are commonly fixedly connected to a lower support plate, two drilling holes are provided on the upper surface of the lower support plate, the outer wall of the hollow tube is located below the transmission seat and is fixedly connected to a connecting nozzle, a spring three is fixedly connected between the piston and the hollow tube, and a sealing ring is fixedly connected to the inner wall of the hollow tube and located on the outside of the extension rod.

[0014] The top end of the elastic air bag is located above the U-shaped frame and is fixedly connected to the lifting plate, and the upper surface of the lifting plate is fixedly connected to two guide rods, and the bottom end of the guide rod passes through the top of the U-shaped frame and is slidably connected to the U-shaped frame.

[0015] Furthermore, a dual-axis motor is fixedly connected to the bottom of the sliding block 2, a drill bit is fixedly connected to the bottom end of the output shaft of the dual-axis motor, the bottom end of the output shaft of the dual-axis motor passes through the sliding block 2 and is fixedly connected to a round block, two notches are provided on the upper surface of the round block, and a wedge block is fixedly connected to the lower surface of the sliding block 1 located on the inner side of the notch.

[0016] Beneficial effects:

[0017] Start the driving motor to drive the dial to rotate, which is meshed with the second gear through the arc-shaped rack, and then the first transmission wheel is rotated intermittently, and the two transmission belts are driven to perform intermittent transmission under the connection of the rotating rod;

[0018] During the reciprocating rotation of the gear, the two upper and lower opposite pressing cams can alternately push the two upper and lower opposite abutting pieces, so that the two upper and lower opposite splitting pieces can alternately pass through the through slot and extend into the storage box. Then, when multiple circuit boards are stacked in the storage box, the alternately interacting splitting pieces can be used to control the feeding and unloading of a single circuit board. There are two storage boxes with a larger storage capacity, so two circuit boards can be fed at a time, which speeds up the feeding speed.

[0019] There are two drilling mechanisms, and the drilling efficiency is higher. Starting the dual-axis motor can drive the drill bit to rotate. At the same time, the notch cooperates with the wedge block so that the lifting plate can be lowered during the rotation of the drill bit, so that it is easy to fit close to the circuit board and facilitate the drill bit to drill holes. The sliding block one and the sliding block two are moved and fixed in position by controlling the bolts to adjust the drilling position of the drill bit.

[0020] With the help of an external pipeline, the connecting nozzle and the ventilation nozzle are connected to each other, so that the dual-axis motor is started, driving the drill bit to rotate and drill. As the lifting plate moves up and down repeatedly to squeeze the elastic airbag, the inside of the hollow tube can be repeatedly inflated and exhausted, and then the lower support plate is controlled to rise or fall, so that the circuit board can be supported during drilling and a drilling placement platform can be provided. After descending, it is convenient to continue to transport the circuit board after drilling, and to facilitate subsequent collection and storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the transmission seat of the present invention;

[0023] Figure 3 is a schematic side view of the storage box of the present invention;

[0024] Figure 4 It is a structural schematic diagram of the tooth plate of the present invention;

[0025] Figure 5 is a side structural schematic diagram of the drilling mechanism of the present invention;

[0026] Figure 6 is a schematic diagram of the side view connection structure of the shaft rod and the extrusion cam of the present invention;

[0027] Figure 7 It is a schematic diagram of the internal structure of the hollow tube of the present invention.

[0028] In the figure: 1, transmission seat; 2, storage box; 3, through slot; 4, split plate; 5, fixed plate 1; 6, drilling mechanism; 7, abutment plate; 8, fixed plate 2; 9, shaft; 10, gear 1; 11, extrusion cam; 12, transmission wheel 1; 13, transmission belt; 14, transmission wheel 2; 15, double-headed cam; 16, toothed plate; 17, spring 1; 18, supporting leg; 19, supporting plate; 20, transverse slot; 21, fixed block; 22, spring 2; 23, linkage ring slot; 24, connecting column; 25, driving motor; 26, toggle plate; 27, arc rack; 28, gear 2; 29. Rotating rod; 30. Hollow tube; 31. Piston; 32. Extension rod; 33. Lower support plate; 34. Drilling hole; 35. Connecting nozzle; 36. Spring three; 37. Movable slot; 601. U-shaped frame; 602. Lifting plate; 603. Guide rod; 604. Spring four; 605. Moving slot; 606. Limiting slot; 607. Sliding block one; 608. Sliding block two; 609. Bolt; 610. Nut; 611. Elastic airbag; 612. Ventilation nozzle; 613. Dual-axis motor; 614. Drill bit; 615. Round block; 616. Notch; 617. Wedge block. DETAILED DESCRIPTION

[0029] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Example 1

[0031] like Figure 1 , Figure 2 and Figure 3 As shown in the figure: an integrated circuit board processing and manufacturing device is provided, including a transmission seat 1, a driving motor 25 is fixedly connected to the front surface of the transmission seat 1, a toggle plate 26 is fixedly connected to the front end of the output shaft of the driving motor 25, an arc-shaped rack 27 is fixedly connected to the outer wall of the toggle plate 26, a gear 28 is fixedly connected to the front end of the central axis of a transmission wheel 12 located at the right front of the transmission seat 1, the arc-shaped rack 27 is meshed with the gear 28, a rotating rod 29 is fixedly connected between two front and rear opposite transmission wheels 12, the inner front surface and the inner rear surface of the transmission seat 1 are both rotatably connected to two transmission wheels 12 through a rotating shaft, and the outer walls of the two left and right opposite transmission wheels 12 are jointly connected to a transmission belt 13;

[0032] The driving motor 25 is started to drive the dial 26 to rotate, which is meshed with the gear 2 28 through the arc-shaped rack 27, and then the transmission wheel 1 12 is intermittently driven to rotate, and under the connection of the rotating rod 29, the two transmission belts 13 are driven to perform intermittent transmission;

[0033] The inner front surface and the inner rear surface of the transmission seat 1 are located on the inner sides of the two transmission belts 13 and are rotatably connected to the transmission wheel 2 14 through the rotating shaft. The opposite ends of the central axes of the two transmission wheels 2 14 are located on the outer side of the transmission seat 1 and are fixedly connected to the double-headed cam 15. Tooth plates 16 are provided on both sides of the double-headed cam 15. The tooth plates 16 are meshed and connected with the gear 10. A plurality of supporting legs 18 are fixedly connected to the bottom of the transmission seat 1. A plurality of supporting plates 19 are fixedly connected between the transmission seat 1 and the storage box 2. A transverse groove 20 is provided on the front surface of the tooth plate 16. A fixing block 21 is fixedly connected to the front and rear surfaces of the transmission seat 1 located inside the plurality of transverse grooves 20. A spring 22 is fixedly connected between the fixing block 21 and the transverse groove 20. A linkage ring groove 23 is provided on the side of the double-headed cam 15 away from the transmission seat 1. A connecting column 24 is fixedly connected to the rear surface of the tooth plate 16 located inside the linkage ring groove 23.

[0034] During the transmission process of the transmission belt 13, the double-headed cam 15 can be driven intermittently through the transmission wheel 2 14, and then under the connection of the linkage ring groove 23 and the connecting column 24, the toothed plate 16 can be pulled to move left and right along the outer side of the fixed block 21 repeatedly, and then the gear 10 can be driven back and forth to rotate.

[0035] Two storage boxes 2 are arranged on the left side of the upper surface of the transmission seat 1, and through-type through grooves 3 are symmetrically opened at the lower part of the front surface and the lower part of the rear surface of the storage box 2, and a split piece 4 is slidably connected inside the through groove 3, and a movable groove 37 is opened on the upper surface of the split piece 4, and a fixing piece 1 5 is fixedly connected to both sides of the upper surface of the split piece 4, and a retaining piece 7 is fixedly connected to the front surface of the split piece 4 near the movable groove 37, and a fixing piece 2 8 is fixedly connected to the front and rear surfaces of the storage box 2, and a shaft rod 9 is rotatably connected to the lower surface of the fixing piece 2 8 through a rotating shaft, and the bottom end of the shaft rod 9 passes through two movable grooves 37 opposite to each other in the upper and lower parts, and is fixedly connected to a gear 10, and an extrusion cam 11 is fixedly connected to the outer wall of the shaft rod 9 near the retaining piece 7, and a spring 17 is fixedly connected between the fixing piece 1 5 and the storage box 2 at the junction of the outer wall of the extrusion cam 11 and the outer wall of the retaining piece 7;

[0036] During the reciprocating rotation of the gear 10, the two upper and lower opposite pressing cams 11 can alternately push the two upper and lower opposite resisting pieces 7, so that the two upper and lower opposite dividing pieces 4 can alternately pass through the through slots 3 and extend into the storage box 2. Then, when multiple circuit boards are stacked inside the storage box 2, the alternating and interactive dividing pieces 4 can be used to control the delivery of a single circuit board. Since there are two storage boxes 2 with a larger storage capacity, two circuit boards can be delivered at a time, which speeds up the delivery.

[0037] Two drilling mechanisms 6 are arranged on the right side of the transmission seat 1, and the drilling mechanism 6 includes a U-shaped frame 601, the bottom of the U-shaped frame 601 is fixedly connected to the upper surface of the transmission seat 1, and the inner side of the U-shaped frame 601 is slidably connected with a lifting plate 602, and the upper surface of the lifting plate 602 is fixedly connected with two guide rods 603, and the bottom end of the guide rod 603 penetrates to the top of the U-shaped frame 601 and is slidably connected to the U-shaped frame 601, and the outer wall of the guide rod 603 is provided with a spring four 604, and the upper surface of the lifting plate 602 and the upper surface of the U-shaped frame 601 are both provided with a moving groove 605, and the inner front surface of the moving groove 605 is provided with a through-type limiting groove 606, and the inner parts of the upper and lower opposite moving grooves 605 are respectively slidably connected with a sliding block 1 607 and a sliding block 2 608, and the sliding block 1 60 The front surface of the U-shaped frame 601 and the front surface of the second sliding block 608 are both fixedly connected with bolts 609, the front end of the bolts 609 passes through the limiting groove 606 and is fixedly connected with a nut 610, two elastic air bags 611 are fixedly connected between the U-shaped frame 601 and the lifting plate 602, the upper surface of the elastic air bag 611 is located above the U-shaped frame 601 and is fixedly connected with a ventilating nozzle 612, a dual-axis motor 613 is fixedly connected below the second sliding block 608, a drill bit 614 is fixedly connected to the bottom end of the output shaft of the dual-axis motor 613, the bottom end of the output shaft of the dual-axis motor 613 passes through the second sliding block 608, and is fixedly connected with a round block 615, the upper surface of the round block 615 is provided with two notches 616, and the lower surface of the sliding block 1 607 is located inside the notch 616 and is fixedly connected with a wedge block 617;

[0038] There are two drilling mechanisms 6, and the drilling efficiency is higher. Starting the dual-axis motor 613 can drive the drill bit 614 to rotate. At the same time, the notch 616 cooperates with the wedge block 617 so that the lifting plate 602 can be lowered during the rotation of the drill bit 614, so that it is convenient to fit close to the circuit board and facilitate the drill bit to drill holes. By controlling the bolt 607, the sliding block 1 607 and the sliding block 2 608 are moved and fixed in position to adjust the drilling position of the drill bit 614.

[0039] The inner lower surface of the transmission seat 1 is located below the two drilling mechanisms 6 and is fixedly connected to two hollow tubes 30. A piston 31 is slidably connected inside the hollow tube 30. An extension rod 32 is fixedly connected to the upper surface of the piston 31. The top ends of the two extension rods 32 are commonly fixedly connected to a lower support plate 33. Two drilling holes 34 are provided on the upper surface of the lower support plate 33. The outer wall of the hollow tube 30 is located below the transmission seat 1 and is fixedly connected to a connecting nozzle 35. A spring 36 is fixedly connected between the piston 31 and the hollow tube 30. A sealing ring 38 is fixedly connected to the inner wall of the hollow tube 30 and located outside the extension rod 32.

[0040] With the help of an external pipeline, the connecting nozzle 35 is connected to the ventilation nozzle 612, so that the dual-axis motor 613 is started, driving the drill bit 614 to rotate and drill. As the lifting plate 612 moves up and down repeatedly to squeeze the elastic airbag 611, the hollow tube 30 can be repeatedly inflated and exhausted, and then the lower support plate 33 can be controlled to rise or fall, so that the circuit board can be supported during drilling, providing a drilling placement platform. After descending, it is convenient to continue to transport the circuit board after drilling, and to facilitate subsequent collection and storage.

[0041] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. An integrated circuit board manufacturing device, comprising a transmission seat (1), characterized in that: Two storage boxes (2) are arranged on the left side of the upper surface of the transmission seat (1), and through-type through grooves (3) are symmetrically provided below the front surface and the rear surface of the storage box (2), and a splitting piece (4) is slidably connected inside the through groove (3), and a movable groove (37) is provided on the upper surface of the splitting piece (4), and a fixed piece (5) is fixedly connected to both sides of the upper surface of the splitting piece (4), and a stop piece (7) is fixedly connected to the front surface of the splitting piece (4) near the movable groove (37). ), the front surface and the rear surface of the storage box (2) are fixedly connected with a fixing plate 2 (8), the lower surface of the fixing plate 2 (8) is rotatably connected with a shaft (9) via a rotating shaft, the bottom end of the shaft (9) passes through two movable grooves (37) opposite to each other in upper and lower directions, and is fixedly connected with a gear 1 (10), the outer wall of the shaft (9) is fixedly connected with an extrusion cam (11) near the abutment plate (7), and the outer wall of the extrusion cam (11) is connected with the outer wall of the abutment plate (7); The inner front surface and the inner rear surface of the transmission seat (1) are both rotatably connected to two transmission wheels (12) via a rotating shaft, and the outer side walls of the two opposite transmission wheels (12) are jointly connected to a transmission belt (13). The inner front surface and the inner rear surface of the transmission seat (1) are located on the inner side of the two transmission belts (13) and are both rotatably connected to transmission wheels (14) via a rotating shaft. The opposite ends of the central axes of the two transmission wheels (14) are located on the outer side of the transmission seat (1) and are fixedly connected to double-headed cams (15). Tooth plates (16) are provided on both sides of the double-headed cam (15), and the tooth plates (16) are meshed with the gear (10). Two drilling mechanisms (6) are provided on the right side of the transmission seat (1); The front surface of the tooth plate (16) is provided with a transverse groove (20), the front surface and the rear surface of the transmission seat (1) are located inside the plurality of transverse grooves (20) and are fixedly connected with a fixing block (21), a spring 2 (22) is fixedly connected between the fixing block (21) and the transverse groove (20), a linkage ring groove (23) is provided on the side of the double-headed cam (15) away from the transmission seat (1), and the rear surface of the tooth plate (16) is located inside the linkage ring groove (23) and is fixedly connected with a connecting column (24); The front surface of the transmission seat (1) is fixedly connected to a driving motor (25), the front end of the output shaft of the driving motor (25) is fixedly connected to a dial (26), the outer wall of the dial (26) is fixedly connected to an arc-shaped rack (27), the front end of the central axis of the transmission wheel 1 (12) located at the right front inside the transmission seat (1) is fixedly connected to a gear 2 (28), the arc-shaped rack (27) is meshedly connected to the gear 2 (28), and a rotating rod (29) is fixedly connected between the two transmission wheels 1 (12) facing each other.

2. The integrated circuit board manufacturing equipment according to claim 1, characterized in that: A spring (17) is fixedly connected between the fixing plate (5) and the storage box (2).

3. The integrated circuit board manufacturing equipment according to claim 1, characterized in that: A plurality of supporting legs (18) are fixedly connected to the bottom of the transmission seat (1).

4. The integrated circuit board manufacturing equipment according to claim 1, characterized in that: A plurality of support plates (19) are fixedly connected between the transmission seat (1) and the storage box (2).

5. The integrated circuit board manufacturing equipment according to claim 1, characterized in that: The inner lower surface of the transmission seat (1) is located below the two drilling mechanisms (6) and is fixedly connected to two hollow tubes (30); a piston (31) is slidably connected inside the hollow tube (30); an extension rod (32) is fixedly connected to the upper surface of the piston (31); the top ends of the two extension rods (32) are commonly fixedly connected to a lower support plate (33); two drilling holes (34) are provided on the upper surface of the lower support plate (33); the outer wall of the hollow tube (30) is located below the transmission seat (1) and is fixedly connected to a connecting nozzle (35); a spring three (36) is fixedly connected between the piston (31) and the hollow tube (30); and a sealing ring (38) is fixedly connected to the inner wall of the hollow tube (30) and located outside the extension rod (32).

6. The integrated circuit board manufacturing equipment according to claim 1, characterized in that: The drilling mechanism (6) comprises a U-shaped frame (601), the bottom of the U-shaped frame (601) is fixedly connected to the upper surface of the transmission seat (1), the inner side of the U-shaped frame (601) is slidably connected to a lifting plate (602), the upper surface of the lifting plate (602) is fixedly connected to two guide rods (603), the bottom ends of the guide rods (603) penetrate to the top of the U-shaped frame (601) and are slidably connected to the U-shaped frame (601), the outer wall of the guide rod (603) is provided with a spring four (604), the upper surface of the lifting plate (602) and the upper surface of the U-shaped frame (601) are both provided with a moving groove (605), and the moving groove (605) is A through-type limiting groove (606) is provided on the inner front surface, and a sliding block 1 (607) and a sliding block 2 (608) are slidably connected inside the upper and lower opposite movable grooves (605), respectively. The front surface of the sliding block 1 (607) and the front surface of the sliding block 2 (608) are both fixedly connected with bolts (609), and the front end of the bolt (609) passes through the limiting groove (606) and is fixedly connected with a nut (610). Two elastic air bags (611) are fixedly connected between the U-shaped frame (601) and the lifting plate (602), and the upper surface of the elastic air bag (611) is located above the U-shaped frame (601) and is fixedly connected with a ventilation nozzle (612).

7. The integrated circuit board manufacturing equipment according to claim 6, characterized in that: A dual-axis motor (613) is fixedly connected to the bottom of the sliding block 2 (608), and a drill bit (614) is fixedly connected to the bottom end of the output shaft of the dual-axis motor (613). The bottom end of the output shaft of the dual-axis motor (613) passes through the sliding block 2 (608) and is fixedly connected to a round block (615). Two notches (616) are provided on the upper surface of the round block (615), and a wedge block (617) is fixedly connected to the lower surface of the sliding block 1 (607) located on the inner side of the notch (616).

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