A high efficiency hole punching device for a drawbar

Abstract

A high-efficiency drilling device for tie rods includes a base, a first feeding platform, a transmission device, several drilling devices, and a controller. The transmission device includes a fixed frame, a first sliding base, a second sliding base, several connecting bases, pneumatic clamping claws, a first hydraulic cylinder, and a second hydraulic cylinder. The first feeding platform is provided with a limiting groove. The drilling device includes a first drilling assembly, a second drilling assembly, several first pushing assemblies, and several second pushing assemblies. The first drilling assembly includes a first drilling base, a third sliding base, a first punching element, and a third hydraulic cylinder. The second drilling assembly includes a second drilling base, a fourth sliding base, a second punching element, and a fourth hydraulic cylinder. The first pushing assembly includes a first positioning base and a fifth hydraulic cylinder. The second pushing assembly includes a second positioning base and a sixth hydraulic cylinder. Both the first and second positioning bases are provided with limiting grooves.

Description

Technical Field

[0001] This utility model relates to the technical field of tie rod processing equipment, and in particular to a high-efficiency drilling device for tie rods. Background Technology

[0002] Pull handles are common components in suitcases, primarily used to assist users in lifting and pulling the suitcase, saving them effort. Since users have different heights and arm lengths, the extension length of the pull handle varies. To facilitate user use, several fixing holes are usually drilled on the pull handle for secure mounting. Currently, the drilling process typically involves workers manually placing the pull handle on a workstation, completing drilling on one side, and then manually rotating the pull handle to drill the other end. This process requires aligning the pull handle twice, significantly reducing production efficiency. Furthermore, manual feeding can lead to inaccurate placement of the pull handle, affecting drilling precision and resulting in defective products. Summary of the Invention

[0003] To address the aforementioned problems, this invention provides a high-efficiency drilling device for tie rods that can improve production efficiency and drilling accuracy.

[0004] The technical solution of this utility model: A high-efficiency drilling device for tie rods, comprising a device base, a first feeding platform connected to the device base, a transmission device connected to the device base, a plurality of drilling devices and a controller connected to the device base. The transmission device includes a fixed frame fixedly connected to the device base, a first sliding base slidably connected to the fixed frame, a second sliding base slidably connected to the first sliding base, a plurality of connecting bases connected to the second sliding base, pneumatic clamping claws connected to the connecting bases, a first hydraulic cylinder for driving the first sliding base to slide horizontally, and a first hydraulic cylinder for driving the second sliding base to slide vertically. The second hydraulic cylinder moves towards the first feeding platform, which is provided with a limiting groove that matches the cross-sectional shape of the pull rod to be processed. The drilling device includes several first drilling assemblies connected to the equipment base, several second drilling assemblies connected to the equipment base, several first pushing assemblies connected to the equipment base, and several second pushing assemblies connected to the equipment base. The first drilling assembly includes a first drilling base fixedly connected to the equipment base, a third sliding base slidably connected to the first drilling base, a first punching element fixedly connected to the third sliding base, and a component for driving the third sliding base vertically. The third hydraulic cylinder for movement; the second punching assembly includes a second punching base fixedly connected to the equipment base, a fourth sliding base slidably connected to the second punching base, a second punching element fixedly connected to the fourth sliding base, and a fourth hydraulic cylinder for driving the fourth sliding base to move vertically; the first pushing assembly includes a first positioning base slidably connected to the equipment base and a fifth hydraulic cylinder for driving the first positioning base to move horizontally; the second pushing assembly includes a second positioning base slidably connected to the equipment base and a sixth hydraulic cylinder for driving the second positioning base to move horizontally; the first pushing... The number of components and the second pushing component are the same as the number of the first drilling component and the second drilling component. The positions of the first pushing component and the second pushing component correspond one-to-one with the positions of the first drilling component and the second drilling component. Both the first positioning base and the second positioning base are provided with limiting grooves. The limiting grooves are adapted to the shape and size of the pull rod to be processed. The first drilling component and the second drilling component are respectively arranged on the left and right sides of the second sliding base. The controller is electrically connected to the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder, the fourth hydraulic cylinder, the fifth hydraulic cylinder, the sixth hydraulic cylinder and the pneumatic clamping claw.

[0005] Using the above technical solution, firstly, the pull rod to be processed can be manually placed on the first unloading platform by the operator, or the pull rod can be transferred to the first unloading platform using existing automatic feeding equipment, such as a conveyor belt or mechanical gripper. After the pull rod is placed on the first unloading platform, the controller controls the first hydraulic cylinder to drive the first sliding base to move towards the first unloading platform until the pneumatic clamping claw is directly above the first unloading platform. Then, the controller controls the second hydraulic cylinder to drive the second sliding base to move vertically downward, while simultaneously controlling the pneumatic clamping claw to clamp the pull rod to be processed. Then, the second hydraulic cylinder drives the second sliding base to reset, and then the first hydraulic cylinder drives the first sliding base to slide a certain distance, so that the pull rod clamped by the pneumatic clamping claw is directly above the first positioning base. Then, the second hydraulic cylinder drives the second sliding base to move vertically downward, and the pneumatic clamping claw releases the pull rod, so that the pull rod is placed in the limiting groove of the first positioning base. Then, the fifth hydraulic cylinder drives the first positioning base to move vertically downward, and the pneumatic clamping claw releases the pull rod, so that the pull rod is placed in the limiting groove of the first positioning base. The base slides towards the first punching base, so that one end of the pull rod is directly below the first punching element. Then, the controller controls the third hydraulic cylinder to drive the third sliding base to move vertically downward, completing the punching work on the pull rod. Then, the first positioning base resets, and the pneumatic clamping claws pick up the pull rod. The first hydraulic cylinder drives the first sliding base to move a certain distance horizontally, so that the pull rod is directly above the second positioning base. Then, the controller controls the sixth hydraulic cylinder to drive the second positioning base to slide a certain distance. Since the first punching component and the second punching component are located on opposite sides of the second sliding base, the other end of the pull rod can be directly below the second punching element. Then, the fourth hydraulic cylinder drives the fourth sliding base to move vertically downward, completing the punching work on the other end of the pull rod. Compared with traditional punching devices, this device can greatly improve punching efficiency and quickly complete the punching work on both ends of the pull rod. At the same time, since the sliding distance of the first sliding base is fixed, the accuracy of the punching position can be guaranteed. A further feature of this invention includes a position detection device. The position detection device comprises several first detection components and several second detection components connected to the equipment base. Each first detection component includes a third fixed base connected to the equipment base and a first photoelectric sensor fixedly connected to the third fixed base. Each second detection component includes a fourth fixed base connected to the equipment base and a second photoelectric sensor fixedly connected to the fourth fixed base. The first and second photoelectric sensors are respectively located below the first and second punching elements. When the pull rod is pushed to contact the first photoelectric sensor by the first push rod or to contact the second photoelectric sensor by the second push rod, the pull rod is located directly below the first punching element and the second punching element. The first and second photoelectric sensors are electrically connected to the controller.

[0006] Using the above technical solution, when the first pushing assembly pushes the pull rod to be processed to the position directly below the first punching element, the first photoelectric sensor sends an electrical signal to the controller, which then controls the fifth hydraulic cylinder to stop working, thereby ensuring the accurate loading position of the pull rod and thus ensuring the accuracy of the punching position. Similarly, when the second pushing assembly pushes the pull rod to be processed to the position directly below the second punching element, the second photoelectric sensor sends an electrical signal to the controller, which then controls the sixth hydraulic cylinder to stop working, thereby ensuring the accurate loading position of the other end of the pull rod. Therefore, this can greatly improve the overall punching accuracy of the pull rod.

[0007] A further feature of this invention is a defective product screening device. This device includes a first CCD vision inspection instrument connected to the equipment base, a second feeding platform connected to the equipment base, a qualified product collection frame connected to the equipment base, a defective product collection frame connected to the equipment base, a connecting block slidably connected to the equipment base, a guide plate fixedly connected to the connecting block, and a seventh hydraulic cylinder for driving the connecting block to move horizontally. The first CCD vision inspection instrument is located directly above the second feeding platform. When the pneumatic clamping claw and the guide plate are both in their initial states, the pneumatic clamping claw is located directly above the defective product collection frame, and the guide plate is located between the pneumatic clamping claw and the defective product collection frame. One end of the guide plate corresponds to the position of the qualified product collection frame. The controller is electrically connected to both the first CCD vision inspection instrument and the seventh hydraulic cylinder.

[0008] Using the above technical solution, after the drilling work is completed, the processed pull rod is placed on the second feeding platform by a pneumatic clamping claw. The pull rod is inspected by a first CCD vision inspection instrument. If it is a qualified product, it is directly clamped into the guide plate by the pneumatic clamping claw and slid into the qualified product collection box by the guide plate. If it is a defective product, the seventh hydraulic cylinder is controlled by the controller to drive the connecting block to slide a certain distance so that the guide plate no longer covers the position of the defective product collection box. Then, the product is released by the pneumatic clamping claw and placed into the defective product collection box to complete the automatic screening work. This can further improve the product qualification rate.

[0009] A further feature of this invention includes a position adjustment device, comprising a second CCD vision inspection instrument connected to the equipment base, a fixed base connected to the equipment base, a first clamping plate slidably connected to the fixed base, a second clamping plate slidably connected to the fixed base, a first transmission base slidably connected to the equipment base, a second transmission base slidably connected to the equipment base, a first clamping rod movably connected to the first transmission base, a second clamping rod movably connected to the second transmission base, an eighth hydraulic cylinder for driving the first clamping plate to move horizontally, and a ninth hydraulic cylinder for driving the second clamping plate to move horizontally. A tenth hydraulic cylinder for driving the first transmission base to move horizontally, an eleventh hydraulic cylinder for driving the second transmission base to move horizontally, a first rotary motor for driving the first clamping rod to rotate, and a second rotary motor for driving the second clamping rod to rotate. The movement directions of the first clamping plate and the second clamping plate are perpendicular to the movement directions of the first transmission base and the second transmission base, respectively. The second CCD vision inspection instrument is located directly above the fixed base. The controller is electrically connected to the eighth, ninth, tenth, and eleventh hydraulic cylinders, the first rotary motor, the second rotary motor, and the second CCD vision inspection instrument, respectively.

[0010] Using the above technical solution, firstly, the pneumatic clamping jaws place the pull rod to be processed on the fixed base. Then, the controller controls the eighth and ninth hydraulic cylinders to drive the first and second clamping plates to move towards each other, thereby clamping the pull rod. Next, a second CCD vision inspection instrument checks the position. If the position is correct, no adjustment is needed. If the position is incorrect, the second CCD vision inspection instrument sends an electrical signal to the controller. The controller then controls the tenth and eleventh hydraulic cylinders to drive the first and second transmission bases to move in the direction of the pull rod, thereby clamping both ends of the pull rod with the first and second clamping rods. The controller then controls the first and second rotary motors to rotate the first and second clamping rods in the same direction until the pull rod is positioned correctly for standard drilling. Finally, the pneumatic clamping jaws drive the pull rod for subsequent processing. This further improves the automation level of the device, reduces labor costs, and increases drilling accuracy. Attached Figure Description

[0011] Appendix Figure 1 This is a schematic diagram of the structure of a high-efficiency drilling device for a tie rod according to a specific embodiment of the present invention.

[0012] Appendix Figure 2 This is a schematic diagram of the structure of the second drilling component, the second pushing component, and the second detection component in a high-efficiency drilling device for a pull rod according to a specific embodiment of the present invention.

[0013] Appendix Figure 3 This is a schematic diagram of the position adjustment device in a high-efficiency drilling device for a tie rod according to a specific embodiment of the present invention.

[0014] Appendix Figure 4 This is a schematic diagram of the structure of the first detection component in a high-efficiency drilling device for a tie rod according to a specific embodiment of the present invention.

[0015] 1-Equipment base, 2-First feeding platform, 3-Transfer device, 4-Drilling device, 5-Controller, 6-Fixed frame, 7-First sliding base, 8-Second sliding base, 9-Connecting base, 10-Pneumatic clamping claw, 11-First hydraulic cylinder, 12-Second hydraulic cylinder, 13-Limiting groove, 14-First drilling assembly, 15-Second drilling assembly, 16-First pushing assembly, 17-Second pushing assembly, 18-First drilling base, 19-Third sliding base, 20-First punching element, 21-Third hydraulic cylinder, 22-Second drilling base, 23-Fourth sliding base, 24-Second punching element, 25-Fourth hydraulic cylinder, 26-First positioning base, 27-Fifth hydraulic cylinder, 28-Second positioning base, 29-Sixth hydraulic cylinder, 30-Position detection device, 31-First detection Components, 32-Second detection component, 33-Third fixed base, 34-First photoelectric sensor, 35-Fourth fixed base, 36-Second photoelectric sensor, 37-Defective product screening device, 38-First CCD vision inspection instrument, 39-Second feeding platform, 40-Qualified product collection frame, 41-Defective product collection frame, 42-Connecting block, 43-Guide plate, 44-Seventh hydraulic cylinder, 45-Position adjustment device, 46-Second CCD vision inspection instrument, 47-Fixed base, 48-First clamping plate, 49-Second clamping plate, 50-First transmission base, 51-Second transmission base, 52-First clamping rod, 53-Second clamping rod, 54-Eighth hydraulic cylinder, 55-Ninth hydraulic cylinder, 56-Tenth hydraulic cylinder, 57-Eleventh hydraulic cylinder, 58-First rotary motor, 59-Second rotary motor. Detailed Implementation

[0016] like Figure 1-4As shown, a high-efficiency drilling device for tie rods includes a base 1, a first feeding platform 2 connected to the base 1, a transmission device 3 connected to the base 1, a plurality of drilling devices 4 connected to the base 1, and a controller 5. The transmission device 3 includes a fixed frame 6 fixedly connected to the base 1, a first sliding base 7 slidably connected to the fixed frame 6, a second sliding base 8 slidably connected to the first sliding base 7, a plurality of connecting bases 9 connected to the second sliding base 8, pneumatic clamping claws 10 connected to the connecting bases 9, a first hydraulic cylinder 11 for driving the first sliding base 7 to slide horizontally, and a second hydraulic cylinder 12 for driving the second sliding base 8 to move vertically. The material platform 2 is provided with a limiting groove 13, which is adapted to the cross-sectional shape of the pull rod to be processed. The drilling device 4 includes several first drilling assemblies 14 connected to the equipment base 1, several second drilling assemblies 15 connected to the equipment base 1, several first pushing assemblies 16 connected to the equipment base 1, and several second pushing assemblies 17 connected to the equipment base 1. The first drilling assembly 14 includes a first drilling base 18 fixedly connected to the equipment base 1, a third sliding base 19 slidably connected to the first drilling base 18, a first punching element 20 fixedly connected to the third sliding base 19, and a third hydraulic cylinder 21 for driving the third sliding base 19 to move vertically. The second punching assembly 15 includes a second punching base 22 fixedly connected to the equipment base 1, a fourth sliding base 23 slidably connected to the second punching base 22, a second punching element 24 fixedly connected to the fourth sliding base 23, and a fourth hydraulic cylinder 25 for driving the fourth sliding base 23 to move vertically. The first pushing assembly 16 includes a first positioning base 26 slidably connected to the equipment base 1 and a fifth hydraulic cylinder 27 for driving the first positioning base 26 to move horizontally. The second pushing assembly 17 includes a second positioning base 28 slidably connected to the equipment base 1 and a sixth hydraulic cylinder 29 for driving the second positioning base 28 to move horizontally. The first pushing assembly 16 and the second pushing assembly... The number of 17 is the same as the number of the first drilling assembly 14 and the second drilling assembly 15. The positions of the first pushing assembly 16 and the second pushing assembly 17 correspond one-to-one with the positions of the first drilling assembly 14 and the second drilling assembly 15. The first positioning base 26 and the second positioning base 28 are both provided with limiting grooves 13. The limiting grooves 13 are adapted to the shape and size of the pull rod to be processed. The first drilling assembly 14 and the second drilling assembly 15 are respectively set on the left and right sides of the second sliding base 8. The controller 5 is electrically connected to the first hydraulic cylinder 11, the second hydraulic cylinder 12, the third hydraulic cylinder 21, the fourth hydraulic cylinder 25, the fifth hydraulic cylinder 27, the sixth hydraulic cylinder 29 and the pneumatic clamping claw 10.

[0017] First, the pull rod to be processed can be manually placed on the first unloading platform 2 by the operator, or it can be transferred to the first unloading platform 2 by existing automatic feeding equipment, such as a conveyor belt or mechanical gripper. After the pull rod is placed on the first unloading platform 2, the controller 5 controls the first hydraulic cylinder 11 to move the first sliding base 7 towards the first unloading platform 2 until the pneumatic clamping claw 10 is directly above the first unloading platform 2. Then, the controller 5 controls the second hydraulic cylinder 12 to move the second sliding base 8 vertically downwards. The pneumatic gripper 10 clamps the pull rod to be processed. Then, the second hydraulic cylinder 12 drives the second sliding base 8 to reset. The first hydraulic cylinder 11 then drives the first sliding base 7 to slide a certain distance, so that the pull rod clamped by the pneumatic gripper 10 is directly above the first positioning base 26. Then, the second hydraulic cylinder 12 drives the second sliding base 8 to move vertically downward, and the pneumatic gripper 10 releases the pull rod, so that the pull rod is placed in the limiting groove 13 of the first positioning base 26. Then, the fifth hydraulic cylinder 27 drives the first positioning base 26 to move vertically downward. The rod slides towards the first punching base 18, so that one end of the pull rod is directly below the first punching element 20. Then, the controller 5 controls the third hydraulic cylinder 21 to drive the third sliding base 19 to move vertically downward, completing the punching operation on the pull rod. Then, the first positioning base 26 resets, and the pneumatic clamping claw 10 clamps the pull rod. The first hydraulic cylinder 11 drives the first sliding base 7 to move horizontally a certain distance, so that the pull rod is directly above the second positioning base 28. Then, the controller 5 controls the sixth hydraulic cylinder 29 to drive the second positioning base 28. The base 28 slides a certain distance. Since the first punching component 14 and the second punching component 15 are located on both sides of the second sliding base 8, the other end of the pull rod can be positioned directly below the second punching element 24. Then, the fourth hydraulic cylinder 25 drives the fourth sliding base 23 to move vertically downward to complete the punching work at the other end of the pull rod. Compared with the traditional punching device 4, this device can greatly improve the punching efficiency and quickly complete the punching work at both ends of the pull rod. At the same time, since the sliding distance of the first sliding base 7 is fixed, the accuracy of the punching position can be guaranteed.

[0018] It also includes a position detection device 30, which includes a plurality of first detection components 31 and a plurality of second detection components 32 connected to the equipment base 1. The first detection components 31 include a third fixed base 33 connected to the equipment base 1 and a first photoelectric sensor 34 fixedly connected to the third fixed base 33. The second detection components 32 include a fourth fixed base 35 connected to the equipment base 1 and a second photoelectric sensor 36 fixedly connected to the fourth fixed base 35. The first photoelectric sensor 34 and the second photoelectric sensor 36 are respectively located below the first punching element 20 and the second punching element 24. When the pull rod is pushed by the first push rod to contact the first photoelectric sensor 34 or by the second push rod to contact the second photoelectric sensor 36, the pull rod is located directly below the first punching element and the second punching element 24. The first photoelectric sensor 34 and the second photoelectric sensor 36 are respectively electrically connected to the controller 5.

[0019] When the first pusher assembly 16 pushes the pull rod to be processed directly below the first punching element 20, the first photoelectric sensor 34 sends an electrical signal to the controller 5. The controller 5 then controls the fifth hydraulic cylinder 27 to stop working, thereby ensuring the accurate loading position of the pull rod and thus ensuring the accuracy of the punching position. Similarly, when the second pusher assembly 17 pushes the pull rod to be processed directly below the second punching element 24, the second photoelectric sensor 36 sends an electrical signal to the controller 5. The controller 5 then controls the sixth hydraulic cylinder 29 to stop working, thereby ensuring the accurate loading position of the other end of the pull rod. Therefore, this can greatly improve the overall punching accuracy of the pull rod.

[0020] It also includes a defective product screening device 37, which includes a first CCD vision inspection instrument 38 connected to the equipment base 1, a second feeding platform 39 connected to the equipment base 1, a qualified product collection frame 40 connected to the equipment base 1, a defective product collection frame 41 connected to the equipment base 1, a connecting block 42 slidably connected to the equipment base 1, a guide plate 43 fixedly connected to the connecting block 42, and a seventh hydraulic cylinder 44 for driving the connecting block 42 to move horizontally. The first CCD vision inspection instrument 38 is located directly above the second feeding platform 39. When the pneumatic clamping claw 10 and the guide plate 43 are both in the initial state, the pneumatic clamping claw 10 is located directly above the defective product collection frame 41, and the guide plate 43 is located between the pneumatic clamping claw 10 and the defective product collection frame 41. One end of the guide plate 43 corresponds to the position of the qualified product collection frame 40. The controller 5 is electrically connected to the first CCD vision inspection instrument 38 and the seventh hydraulic cylinder 44 respectively.

[0021] After the drilling is completed, the processed pull rod is placed on the second feeding table 39 by the pneumatic clamping claw 10. The pull rod is inspected by the first CCD vision inspection instrument 38. If it is a qualified product, it is directly clamped into the guide plate 43 by the pneumatic clamping claw 10 and slid into the qualified product collection box 40 by the guide plate 43. If it is a defective product, the seventh hydraulic cylinder 44 is controlled by the controller 5 to drive the connecting block 42 to slide a certain distance so that the guide plate 43 no longer covers the position of the defective product collection box 41. Then the product is released by the pneumatic clamping claw 10 and placed into the defective product collection box 41 to complete the automatic screening work. This can further improve the product qualification rate.

[0022] It also includes a position adjustment device 45, which includes a second CCD vision inspection instrument 46 connected to the equipment base 1, a fixed base 47 connected to the equipment base 1, a first clamping plate 48 slidably connected to the fixed base 47, a second clamping plate 49 slidably connected to the fixed base 47, a first transmission base 50 slidably connected to the equipment base 1, a second transmission base 51 slidably connected to the equipment base 1, a first clamping rod 52 movably connected to the first transmission base 50, a second clamping rod 53 movably connected to the second transmission base 51, an eighth hydraulic cylinder 54 for driving the first clamping plate 48 to move horizontally, a ninth hydraulic cylinder 55 for driving the second clamping plate 49 to move horizontally, and a first transmission base 56 for driving the first transmission base 48 to move horizontally. The base 50 has a tenth hydraulic cylinder 56 that moves horizontally, an eleventh hydraulic cylinder 57 that drives the second transmission base 51 to move horizontally, a first rotary motor 58 that drives the first clamping rod 52 to rotate, and a second rotary motor 59 that drives the second clamping rod 53 to rotate. The movement directions of the first clamping plate 48 and the second clamping plate 49 are perpendicular to the movement directions of the first transmission base 50 and the second transmission base 51, respectively. The second CCD vision inspection instrument 46 is located directly above the fixed base 47. The controller 5 is electrically connected to the eighth hydraulic cylinder 54, the ninth hydraulic cylinder 55, the tenth hydraulic cylinder 56, the eleventh hydraulic cylinder 57, the first rotary motor 58, the second rotary motor 59, and the second CCD vision inspection instrument 46.

[0023] First, the pneumatic clamping jaws 10 place the pull rod to be processed on the fixed base 47. Then, the controller 5 controls the eighth hydraulic cylinder 54 and the ninth hydraulic cylinder 55 to drive the first clamping plate 48 and the second clamping plate 49 to move towards each other, thereby clamping the pull rod to be processed. Then, the second CCD vision inspection instrument 46 inspects it. If its position is correct, no position adjustment is required. If its position is incorrect, the second CCD vision inspection instrument 46 sends an electrical signal to the controller 5. The controller 5 then controls the tenth hydraulic cylinder 56 and the eleventh hydraulic cylinder 57 to drive the first clamping plate 48 and the second clamping plate 49 to move towards each other. The moving base 50 and the second transmission base 51 move in the direction of the pull rod, so that the first clamping rod 52 and the second clamping rod 53 clamp the two ends of the pull rod respectively. Then, the controller 5 controls the first rotary motor 58 and the second rotary motor 59 to drive the first clamping rod 52 and the second clamping rod 53 to rotate in the same direction until the position of the pull rod is the same as the position required for standard drilling. Then, the pneumatic clamping jaw 10 drives the pull rod to perform subsequent processing work. This can further improve the automation level of the device, reduce labor costs, and improve the drilling accuracy.

Claims

1. A high efficiency hole punch device for a drawbar characterized by: The device includes a base, a first feeding platform connected to the base, a transmission device connected to the base, several punching devices connected to the base, and a controller. The transmission device includes a fixed frame fixedly connected to the base, a first sliding base slidably connected to the fixed frame, a second sliding base slidably connected to the first sliding base, several connecting bases connected to the second sliding base, pneumatic clamping claws connected to the connecting bases, a first hydraulic cylinder for driving the first sliding base to slide horizontally, and a second hydraulic cylinder for driving the second sliding base to move vertically. The first feeding platform... A limiting groove is provided, which is adapted to the cross-sectional shape of the pull rod to be processed. The drilling device includes several first drilling assemblies connected to the equipment base, several second drilling assemblies connected to the equipment base, several first pushing assemblies connected to the equipment base, and several second pushing assemblies connected to the equipment base. The first drilling assembly includes a first drilling base fixedly connected to the equipment base, a third sliding base slidably connected to the first drilling base, a first punching element fixedly connected to the third sliding base, and a third hydraulic cylinder for driving the third sliding base to move vertically. The second punching assembly includes a second punching base fixedly connected to the equipment base, a fourth sliding base slidably connected to the second punching base, a second punching element fixedly connected to the fourth sliding base, and a fourth hydraulic cylinder for driving the fourth sliding base to move vertically. The first pushing assembly includes a first positioning base slidably connected to the equipment base and a fifth hydraulic cylinder for driving the first positioning base to move horizontally. The second pushing assembly includes a second positioning base slidably connected to the equipment base and a sixth hydraulic cylinder for driving the second positioning base to move horizontally. The number of material components is the same as the number of the first and second punching components. The positions of the first and second pushing components correspond one-to-one with the positions of the first and second punching components. Both the first and second positioning bases are provided with limiting grooves, which are adapted to the shape and size of the pull rod to be processed. The first and second punching components are respectively located on the left and right sides of the second sliding base. The controller is electrically connected to the first, second, third, fourth, fifth, and sixth hydraulic cylinders and the pneumatic clamping claws.

2. A high efficiency hole punch device for a drawbar as defined in claim 1, wherein: It also includes a position detection device, which comprises several first detection components and several second detection components connected to the equipment base. The first detection component includes a third fixed base connected to the equipment base and a first photoelectric sensor fixedly connected to the third fixed base. The second detection component includes a fourth fixed base connected to the equipment base and a second photoelectric sensor fixedly connected to the fourth fixed base. The first photoelectric sensor and the second photoelectric sensor are respectively located below the first punching element and the second punching element. When the pull rod is pushed to contact the first photoelectric sensor by the first push rod or to contact the second photoelectric sensor by the second push rod, the pull rod is located directly below the first punching element and the second punching element. The first photoelectric sensor and the second photoelectric sensor are respectively electrically connected to the controller.

3. A high efficiency hole punch for a drawbar as defined in claim 1, wherein: It also includes a defective product screening device, which includes a first CCD vision inspection instrument connected to the equipment base, a second feeding platform connected to the equipment base, a qualified product collection frame connected to the equipment base, a defective product collection frame connected to the equipment base, a connecting block slidably connected to the equipment base, a guide plate fixedly connected to the connecting block, and a seventh hydraulic cylinder for driving the connecting block to move horizontally. The first CCD vision inspection instrument is located directly above the second feeding platform. When the pneumatic clamping claw and the guide plate are both in the initial state, the pneumatic clamping claw is located directly above the defective product collection frame, and the guide plate is located between the pneumatic clamping claw and the defective product collection frame. One end of the guide plate corresponds to the position of the qualified product collection frame. The controller is electrically connected to the first CCD vision inspection instrument and the seventh hydraulic cylinder respectively.

4. A high efficiency hole punch for a drawbar as defined in claim 1, wherein: It also includes a position adjustment device, which comprises a second CCD vision inspection instrument connected to the equipment base, a fixed base connected to the equipment base, a first clamping plate slidably connected to the fixed base, a second clamping plate slidably connected to the fixed base, a first transmission base slidably connected to the equipment base, a second transmission base slidably connected to the equipment base, a first clamping rod movably connected to the first transmission base, a second clamping rod movably connected to the second transmission base, an eighth hydraulic cylinder for driving the first clamping plate to move horizontally, a ninth hydraulic cylinder for driving the second clamping plate to move horizontally, and a ninth hydraulic cylinder for driving the first clamping plate to move horizontally. The system includes a tenth hydraulic cylinder for horizontal movement of the transmission base, an eleventh hydraulic cylinder for driving the second transmission base to horizontal movement, a first rotary motor for driving the first clamping rod to rotate, and a second rotary motor for driving the second clamping rod to rotate. The movement directions of the first clamping plate and the second clamping plate are perpendicular to the movement directions of the first transmission base and the second transmission base, respectively. The second CCD vision inspection instrument is located directly above the fixed base. The controller is electrically connected to the eighth, ninth, tenth, and eleventh hydraulic cylinders, the first rotary motor, the second rotary motor, and the second CCD vision inspection instrument, respectively.

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