Blanking mechanism for secondary framework pin installation

Abstract

The utility model discloses a blanking mechanism for secondary skeleton pin installation, and relates to the technical field of secondary skeleton pin production, the blanking mechanism comprises a material carrying disc, the bottom end of the material carrying disc is fixedly provided with a fixed shaft, the upper end of the material carrying disc is fixedly provided with four positioning columns at equal intervals, the positioning columns are respectively provided with a sliding plate in a sliding manner, and the sliding plates are arranged on the material carrying disc. The intermittent assembly is arranged in the operation table, the material guiding pipe is fixedly arranged at the upper end of the operation table, the discharging mechanism is arranged in the operation table, and the collecting mechanism is arranged on one side of the operation table. And meanwhile, a first gear is matched with a rack to enable a fixed push rod to push a sleeving push rod to move, so that discharging can be conducted at the same time, meanwhile, a third transmission shaft can drive a reciprocating lead screw to rotate, the reciprocating lead screw drives a storage box to move, and finished product secondary framework insertion pins can be continuously collected conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of secondary skeleton pin production, in particular to a blanking mechanism for installing secondary skeleton pins. Background Art

[0002] As automotive gasoline engines develop towards high speeds, high compression ratios, high power, low fuel consumption, and low emissions, traditional ignition devices are no longer suitable for these requirements. The core components of an ignition device are the ignition coil and the switch device. Increasing the energy of the ignition coil allows the spark plug to produce a sufficiently energetic spark, which is essential for the ignition device to adapt to modern engine operation. In the production of pencil-type ignition coils, high-voltage pins must be connected to the secondary bobbin. During production, the secondary bobbin must be placed on a rotating material tray for continuous switching to ensure continuous production. After production is completed, the finished product must be removed from the rotating material tray for reloading. Existing unloading methods mostly rely on manual or robotic unloading. Manual unloading can cause fatigue over time, reducing work efficiency. Robotic unloading, on the other hand, allows for extended work periods.

[0003] However, when the robotic arm is unloading the materials, it usually takes the finished products off and places them in the storage trough, causing the finished products to pile up randomly, which is inconvenient for subsequent packaging and storage. It is necessary to manually place the finished products one by one in the storage tray, which adds a process to the production process and affects the processing efficiency.

[0004] Based on this, a blanking mechanism for installing secondary skeleton pins is now provided, which can eliminate the disadvantages of the existing device. Utility Model Content

[0005] The purpose of the utility model is to provide a blanking mechanism for installing secondary skeleton pins, so as to solve the problem in the background art that it is inconvenient to collect the finished secondary skeleton pins.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] A material unloading mechanism for installing a secondary skeleton pin comprises a loading tray, a fixed shaft is fixedly provided at the bottom end of the loading tray, the fixed shaft is rotatably arranged in the mounting hole at the upper end of the operating table, a ceiling is fixedly provided at the upper end of the operating table, four positioning columns are fixedly provided at equal intervals at the upper end of the loading tray, a sliding plate is slidably provided on the positioning columns, an intermittent component for driving the loading tray to rotate intermittently is provided inside the operating table, a material guide pipe is fixedly provided at the upper end of the operating table, the material guide pipe is arranged at an angle, a material unloading mechanism for pushing the sliding plate to move for unloading is provided inside the operating table, and a collecting mechanism for collecting the secondary skeleton pins is provided at a position corresponding to one end of the material guide pipe on one side of the operating table.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional scheme: the intermittent component includes a groove wheel, which is fixed on a fixed shaft, and a first support plate is rotatably provided at one end of the fixed shaft, and the first support plate is fixed inside the operating table, and a plurality of toggle grooves are provided on the groove wheel, and a round pin is slidingly provided in one of the toggle grooves, and the round pin is fixed at one end of the toggle plate, and the toggle plate is fixed at the bottom end of the dial, and the dial is fixed on the output end of the motor, and the motor is fixed at the upper end of the second support plate, and the second support plate is fixed inside the operating table.

[0010] In an optional solution: the unloading mechanism includes an electric push rod and a sleeve push rod, the bottom end of the sliding plate is fixed with a sleeve push rod, the inside of the operating table is provided with a fixed push rod at a position corresponding to one end of the material guide tube, one end of the fixed push rod is aligned with one end of the sleeve push rod, a rectangular through-hole is provided at the upper end of the operating table corresponding to one end of the fixed push rod, the fixed push rod is fixed at the upper end of the fixed frame, fixed plates are fixed on both sides of the fixed frame, the bottom ends of the fixed plates are fixedly connected to the output ends of the tension spring telescopic rods, the two tension spring telescopic rods are fixed at the bottom end of the operating table, and one side of the fixed frame is fixed A rack is fixedly provided, and a first gear is meshed on the rack. The first gear is fixedly provided at one end of the first transmission shaft, and a first bevel gear is fixedly provided at the other end of the first transmission shaft. A support frame is rotatably provided on the first transmission shaft, and the support frame is fixedly provided at the bottom end of the operating table. The electric push rod is fixedly provided inside the fixed tube, and the fixed tube is fixedly provided on one side of the second protective cover. A push plate is fixedly provided at the output end of the electric push rod, and the second protective cover is fixedly provided at the bottom end of the ceiling. The second protective cover is aligned with one end of the positioning column, and a driving component for driving the fixed push rod to move is provided on the first bevel gear.

[0011] In an optional solution: the drive assembly includes a second bevel gear, the second bevel gear is fixed on the second transmission shaft, the second transmission shaft is rotatably arranged on the support frame, the second transmission shaft is fixed with a second gear, the second gear is meshed with an incomplete gear, the incomplete gear is fixed at the output end of the motor, and the teeth on the incomplete gear are arranged in a relative position to the shift plate.

[0012] In an optional solution: a connecting sleeve is fixedly provided at one end of the sleeve push rod, and the connecting sleeve is sleeve-fitted with one end of the fixed push rod.

[0013] In an optional solution: a first protective cover is fixedly provided on the upper end of each sliding plate.

[0014] In an optional scheme: the collecting mechanism includes a material storage box, a plurality of collecting troughs are provided at the upper end of the material storage box, a mounting bracket is closely provided on the outside of the material storage box, a first connecting plate and two second connecting plates are fixedly provided at the bottom end of the mounting bracket, a wire hole is provided on one side of the first connecting plate, a reciprocating screw rod is cooperated with in the wire hole, mounting brackets are rotatably provided at both ends of the reciprocating screw rod, the mounting brackets are fixed on one side of the operating table, a rectangular through-hole is provided on one side of the second connecting plate, a guide slide rod is slidably provided in the rectangular through-hole, the guide slide rod is fixed between the two mounting brackets, and a linkage component for driving the mounting bracket to move back and forth is provided at one end of the reciprocating screw rod.

[0015] In an optional scheme: the linkage assembly includes a third bevel gear, the third bevel gear is fixed at one end of the third transmission shaft, the third transmission shaft is rotatably arranged in a rotating hole on one side of the operating table, the other end of the third transmission shaft is fixed with a driving wheel, the driving wheel is connected to the driven wheel through a belt, the driven wheel is fixed at one end of the reciprocating screw, the third bevel gear is meshed with a fourth bevel gear, and the fourth bevel gear is fixed at one end of the fixed shaft.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] The utility model fixes a dial and an incomplete gear on the output end of the motor, and the dial plate on the dial and the gear teeth on the incomplete gear are arranged in a relative position, so that after the round pin and the groove wheel cooperate to drive the loading plate to rotate to switch the positioning column, the external loading component and the processing component can simultaneously load and process the secondary skeleton pins on different positioning columns, and then the incomplete gear can drive the first gear to rotate, and the first gear cooperates with the rack to make the fixed push rod push the sleeve push rod to move, so that the material can be unloaded at the same time, and when the loading plate rotates and switches, the third transmission shaft can drive the reciprocating screw to rotate, so that the reciprocating screw drives the storage box to move, so that the collecting trough is aligned with one end of the guide tube, and with the intermittent rotation of the loading plate, the storage box can intermittently reciprocate, thereby facilitating the continuous collection of the finished secondary skeleton pins, so that the secondary skeleton pin installation and unloading mechanism can simultaneously perform the unloading and collecting processes, thereby speeding up production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] Figure 2 This is a schematic diagram of the internal structure of the operating table of the utility model.

[0020] Figure 3 This is a schematic diagram of the installation of the electric push rod of the utility model.

[0021] Figure 4 This is a schematic diagram of the structure of the groove wheel, dial and motor of the utility model.

[0022] Figure 5 This is a schematic diagram of the rack installation of the utility model.

[0023] Figure 6 This is a schematic diagram of the structure of the mounting frame of the utility model.

[0024] Notes on figure numbers: 11 loading tray, 12 positioning column, 13 sliding plate, 14 first protective cover, 15 second protective cover, 16 electric push rod, 17 groove wheel, 18 dial, 19 electric motor, 20 sleeve push rod, 21 fixed push rod, 22 fixed frame, 23 tension spring telescopic rod, 24 rack, 25 first bevel gear, 26 incomplete gear, 27 material guide tube, 28 storage box, 29 mounting frame, 30 reciprocating screw, 31 third bevel gear, 32 operating table. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0026] In one embodiment, Figures 1-6The top of the loading platform 11 is fixed with four positioning posts 12 at equal intervals, and the positioning posts 12 are all slidably provided with sliding plates 13. An intermittent component is provided inside the operating platform 32 for driving the loading platform 11 to rotate intermittently. A guide tube 27 is fixedly provided on the upper end of the operating platform 32. The guide tube 27 is inclined. A unloading mechanism is provided inside the operating platform 32 for pushing the sliding plate 13 to move for unloading. A collecting mechanism for collecting the pins of the secondary skeleton is provided at a position corresponding to one end of the guide tube 27 on one side of the operating platform 32. The unloading mechanism facilitates the sliding plate 13 to move, so that the finished secondary skeleton is pushed into the guide tube 27 for unloading. The collecting mechanism facilitates the arrangement and collection of the finished secondary skeleton.

[0027] The intermittent assembly includes a groove wheel 17, which is fixed on a fixed shaft. A first support plate is rotatably provided at one end of the fixed shaft. The first support plate is fixed inside the operating table 32. The groove wheel 17 is provided with a plurality of toggle slots. A round pin is slidably provided in one of the toggle slots. The round pin is fixed at one end of the toggle plate. The toggle plate is fixed at the bottom end of the dial 18. The dial 18 is fixed at the output end of the motor 19. The motor 19 is fixed at the upper end of the second support plate. The second support plate is fixed at the operating table 32. 2 internally, when in use, when it is necessary to produce the secondary skeleton, the motor 19 is started, and the output end of the motor 19 drives the dial 18 to rotate. The dial 18 rotates one circle, and the groove wheel 17 rotates 90 degrees through the dial plate and the round pin. The groove wheel 17 drives the loading tray 11 to rotate 90 degrees through the fixed shaft, so that the positioning column 12 at the upper end of the loading tray 11 is switched, and the secondary skeleton pins are loaded and processed through the external loading components and processing components. After the processing is completed, the secondary skeleton pins are rotated to the corresponding position at one end of the guide tube 27 for unloading.

[0028] The unloading mechanism includes an electric push rod 16 and a sleeve push rod 20. The bottom end of the sliding plate 13 is fixed with a sleeve push rod 20. A fixed push rod 21 is provided inside the operating table 32 at a position corresponding to one end of the guide tube 27. One end of the fixed push rod 21 is aligned with one end of the sleeve push rod 20. A rectangular through-hole is provided at the upper end of the operating table 32 corresponding to one end of the fixed push rod 21. The fixed push rod 21 is fixedly provided at the upper end of the fixed frame 22. Fixed plates are fixed on both sides of the fixed frame 22. The bottom ends of the fixed plates are fixedly connected to the output ends of the tension spring telescopic rod 23. The two tension spring telescopic rods 23 are fixed at the bottom ends of the operating table 32. One end of the fixed frame 22 is aligned with one end of the sleeve push rod 20. A rack 24 is fixed on the side, and a first gear is meshed on the rack 24. The first gear is fixed on one end of the first transmission shaft, and a first bevel gear 25 is fixed on the other end of the first transmission shaft. A support frame is rotatably provided on the first transmission shaft, and the support frame is fixed at the bottom end of the operating table 32. The electric push rod 16 is fixed inside the fixed tube, and the fixed tube is fixed on one side of the second protective cover 15. A push plate is fixed at the output end of the electric push rod 16, and the second protective cover 15 is fixed at the bottom end of the ceiling. The second protective cover 15 is aligned with one end of the positioning column 12. A drive assembly for driving the fixed push rod 21 to move is provided on the first bevel gear 25.

[0029] The driving assembly includes a second bevel gear, which is fixed on the second transmission shaft, and the second transmission shaft is rotatably arranged on the support frame. The second transmission shaft is fixed with a second gear, and the second gear is meshed with an incomplete gear 26. The incomplete gear 26 is fixed at the output end of the motor 19. The gear teeth on the incomplete gear 26 are arranged in a relative position to the dial plate. During use, when it is necessary to unload the finished product, the dial 18 drives the loading tray 11 to rotate 90 degrees, so that the finished product rotates to the bottom of the second protective cover 15, and then the round pin disengages the groove wheel 17. As the output end of the motor 19 rotates, the gear teeth part of the incomplete gear 26 engages with the second gear, and the second gear drives the second transmission shaft to rotate. The second transmission shaft engages with the first bevel gear 25 through the second bevel gear to rotate the first transmission shaft, and the first transmission shaft drives the first gear At the same time, under the action of the deadweight of the sliding plate 13 and the sleeve push rod 20, the sliding plate 13 is in close contact with the upper end of the loading tray 11, thereby completing the unloading.

[0030] One end of the sleeve push rod 20 is fixed with a connecting sleeve, and the connecting sleeve is sleeved and matched with one end of the fixed push rod 21. When in use, it is convenient to increase the stability of the connection between one end of the fixed push rod 21 and one end of the sleeve push rod 20.

[0031] The upper end of the sliding plate 13 is fixed with a first protective cover 14. When in use, when the sliding plate 13 moves, the first protective cover 14 cooperates with the second protective cover 15 to prevent the finished product from tilting to other positions, so that the material can be unloaded better.

[0032] The collecting mechanism includes a material storage box 28, and a plurality of collecting troughs are provided at the upper end of the material storage box 28. A mounting bracket 29 is tightly attached to the outer side of the material storage box 28. A first connecting plate and two second connecting plates are fixedly provided at the bottom end of the mounting bracket 29. A wire hole is provided on one side of the first connecting plate, and a reciprocating screw rod 30 is fitted in the wire hole. Both ends of the reciprocating screw rod 30 are rotatably provided with mounting brackets, and the mounting brackets are fixed on one side of the operating table 32. A rectangular through-hole is provided on one side of the second connecting plate, and a guide slide rod is slidably provided in the rectangular through-hole. The guide slide rod is fixed between the two mounting brackets, and one end of the reciprocating screw rod 30 is provided with a linkage component for driving the mounting bracket 29 to move back and forth.

[0033] The linkage assembly includes a third bevel gear 31, the third bevel gear 31 is fixedly arranged at one end of the third transmission shaft, the third transmission shaft is rotatably arranged in a rotating hole on one side of the operating table 32, the other end of the third transmission shaft is fixedly provided with a driving wheel, the driving wheel is connected to the driven wheel through a belt, the driven wheel is fixedly provided at one end of the reciprocating screw rod 30, and a fourth bevel gear is meshed on the third bevel gear 31, and the fourth bevel gear is fixedly provided at one end of the fixed shaft. When in use, when the dial 18 drives the groove wheel 17 to rotate, the groove wheel 17 drives the fixed shaft to rotate, and the fixed shaft drives the third bevel gear 31 in cooperation with the fourth bevel gear. The third transmission shaft rotates, the third driven wheel drives the driving wheel to rotate, and the driving wheel drives the reciprocating screw rod 30 to rotate through the belt, and the reciprocating screw rod 30 cooperates with the thread hole on one side of the first connecting plate to move the mounting frame 29, and the mounting frame 29 drives the storage box 28 to move, so that a collecting groove on the storage box 28 is aligned with one end of the guide tube 27, and then the finished product can slide from the inside of the guide tube 27 and fall into the collecting groove for collection. When the groove wheel 17 rotates again to switch the positioning column 12 at the upper end of the loading tray 11, the reciprocating screw rod 30 can drive the storage box 28 to move, so that the collection groove is switched, thereby facilitating continuous collection.

[0034] The above embodiment discloses a blanking mechanism for installing a secondary skeleton pin, wherein when the secondary skeleton needs to be produced, the motor 19 is started, and the output end of the motor 19 drives the dial 18 to rotate. The dial 18 rotates one circle and drives the groove wheel 17 to rotate 90 degrees through the dial plate and the round pin. The groove wheel 17 drives the loading tray 11 to rotate 90 degrees through the fixed shaft, so that the positioning column 12 at the upper end of the loading tray 11 is switched, and the secondary skeleton pins are loaded and processed through the external loading components and processing components. After the processing is completed, the dial 18 drives the loading tray 11 to rotate 90 degrees, so that the finished product rotates to the bottom of the second protective cover 15, and then the round pin is separated from the groove wheel. 17. As the output end of the motor 19 rotates, the gear teeth of the incomplete gear 26 mesh with the second gear, and the second gear drives the second transmission shaft to rotate. The second transmission shaft meshes with the first bevel gear 25 through the second bevel gear, so that the first transmission shaft rotates. The first transmission shaft drives the first gear to rotate, and the first gear meshes with the rack 24, so that the fixed frame 22 drives the fixed push rod 21 to move. The fixed push rod 21 first fits tightly with one end of the sleeve push rod 20, and pushes the sliding plate 13 to slide on the positioning column 12 through the sleeve push rod 20, so that the finished product slides on the positioning column 12. When the upper end of the sliding plate 13 and one end of the positioning column 12 are in the same plane, , start the electric push rod 16, the output end of the electric push rod 16 pushes the finished product to tilt, so that the finished product falls into the guide tube 27. Since the guide tube 27 is tilted, the finished product slides, and then the gear teeth on the incomplete gear 26 disengage from the second gear. Under the action of the tension spring telescopic rod 23, the fixed push rod 21 returns to the initial position and disengages one end of the sleeve push rod 20. At the same time, under the deadweight of the sliding plate 13 and the sleeve push rod 20, the sliding plate 13 is in close contact with the upper end of the loading tray 11, thereby completing the unloading. At the same time, when the dial 18 toggles the groove wheel 17 to rotate, the groove wheel 17 drives the fixed shaft to rotate, and the fixed shaft is connected to the fourth cone gear 31 through the third cone gear 31. The gear cooperates to drive the third transmission shaft to rotate, and the third driven wheel drives the driving wheel to rotate. The driving wheel drives the reciprocating screw rod 30 to rotate through the belt. The reciprocating screw rod 30 cooperates with the thread hole on one side of the first connecting plate to move the mounting bracket 29, and the mounting bracket 29 drives the storage box 28 to move, so that a collecting groove on the storage box 28 is aligned with one end of the guide tube 27. Then the finished product can slide from the inside of the guide tube 27 and fall into the collecting groove for collection. When the groove wheel 17 rotates again to switch the positioning column 12 at the upper end of the loading tray 11, the reciprocating screw rod 30 can drive the storage box 28 to move, so that the collection groove is switched, thereby facilitating continuous collection.

[0035] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. A secondary skeleton pin installation unloading mechanism, comprising a loading tray (11), a fixed shaft fixed at the bottom end of the loading tray (11), the fixed shaft rotatably arranged in a mounting hole at the upper end of an operating table (32), a ceiling fixed at the upper end of the operating table (32), and four positioning columns (12) fixed at equal intervals at the upper end of the loading tray (11), characterized in that: A sliding plate (13) is slidably provided on each of the positioning columns (12); an intermittent assembly for driving the loading tray (11) to intermittently rotate is provided inside the operating table (32); a material guide tube (27) is fixedly provided on the upper end of the operating table (32); the material guide tube (27) is arranged in an inclined manner; a material unloading mechanism for pushing the sliding plate (13) to move for unloading is provided inside the operating table (32); a collecting mechanism for collecting secondary skeleton pins is provided at a position corresponding to one end of the material guide tube (27) on one side of the operating table (32).

2. A blanking mechanism for secondary skeleton pin installation according to claim 1, characterized in that: The intermittent component includes a groove wheel (17), the groove wheel (17) is fixed on a fixed shaft, a first support plate is rotatably provided at one end of the fixed shaft, the first support plate is fixed inside the operating table (32), a plurality of toggle grooves are provided on the groove wheel (17), a round pin is slidably provided in one of the toggle grooves, the round pin is fixed at one end of the toggle plate, the toggle plate is fixed at the bottom end of the dial (18), the dial (18) is fixed at the output end of the motor (19), the motor (19) is fixed at the upper end of the second support plate, and the second support plate is fixed inside the operating table (32).

3. A blanking mechanism for secondary skeleton pin installation according to claim 2, characterized in that: The unloading mechanism includes an electric push rod (16) and a sleeve push rod (20), the bottom end of the sliding plate (13) is fixed with a sleeve push rod (20), the inside of the operating table (32) is provided with a fixed push rod (21) at a position corresponding to one end of the guide tube (27), one end of the fixed push rod (21) is aligned with one end of the sleeve push rod (20), the upper end of the operating table (32) is provided with a rectangular through hole at a position corresponding to one end of the fixed push rod (21), the fixed push rod (21) is fixed to the upper end of the fixed frame (22), fixed plates are fixed on both sides of the fixed frame (22), the bottom ends of the fixed plates are fixedly connected to the output ends of the tension spring telescopic rod (23), the two tension spring telescopic rods (23) are fixed to the bottom end of the inside of the operating table (32), the fixed frame ( 22) A rack (24) is fixedly provided on one side of the interior, a first gear is meshed on the rack (24), the first gear is fixed on one end of the first transmission shaft, a first bevel gear (25) is fixed on the other end of the first transmission shaft, a support frame is rotatably provided on the first transmission shaft, the support frame is fixed at the bottom end of the interior of the operating table (32), the electric push rod (16) is fixed inside the fixed tube, the fixed tube is fixed on one side of the second protective cover (15), a push plate is fixed at the output end of the electric push rod (16), the second protective cover (15) is fixed at the bottom end of the ceiling, the second protective cover (15) is aligned with one end of the positioning column (12), and a driving component for driving the fixed push rod (21) to move is provided on the first bevel gear (25).

4. A blanking mechanism for secondary skeleton pin installation according to claim 3, characterized in that: The driving assembly includes a second bevel gear, the second bevel gear is fixed on a second transmission shaft, the second transmission shaft is rotatably mounted on a support frame, a second gear is fixed on the second transmission shaft, an incomplete gear (26) is meshed with the second gear, the incomplete gear (26) is fixed on the output end of the motor (19), and the gear teeth on the incomplete gear (26) are arranged in a relative position to the shift plate.

5. A blanking mechanism for secondary skeleton pin installation according to claim 3, characterized in that: One end of the sleeve push rod (20) is fixed with a connecting sleeve, and the connecting sleeve is sleeve-fitted with one end of the fixed push rod (21).

6. A blanking mechanism for secondary skeleton pin installation according to claim 3, characterized in that: A first protective cover (14) is fixedly provided on the upper end of each sliding plate (13).

7. A blanking mechanism for secondary skeleton pin installation according to claim 3, characterized in that: The collecting mechanism comprises a material storage box (28), a plurality of collecting troughs are provided at the upper end of the material storage box (28), a mounting frame (29) is closely provided on the outer side of the material storage box (28), a first connecting plate and two second connecting plates are fixedly provided at the bottom end of the mounting frame (29), a wire hole is provided on one side of the first connecting plate, a reciprocating screw rod (30) is matched in the wire hole, mounting frames are rotatably provided at both ends of the reciprocating screw rod (30), the mounting frames are fixed on one side of the operating table (32), a rectangular through hole is provided on one side of the second connecting plate, a guide slide rod is slidably provided in the rectangular through hole, the guide slide rod is fixed between the two mounting frames, and a linkage assembly for driving the mounting frame (29) to move back and forth is provided at one end of the reciprocating screw rod (30).

8. A blanking mechanism for secondary skeleton pin installation according to claim 7, characterized in that: The linkage assembly includes a third bevel gear (31), the third bevel gear (31) is fixedly arranged at one end of a third transmission shaft, the third transmission shaft is rotatably arranged in a rotation hole on one side of an operating table (32), a driving wheel is fixedly arranged at the other end of the third transmission shaft, the driving wheel is connected to the driven wheel through a belt, the driven wheel is fixedly arranged at one end of a reciprocating screw rod (30), a fourth bevel gear is meshed with the third bevel gear (31), and the fourth bevel gear is fixedly arranged at one end of the fixed shaft.

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