Perforating device for cylindrical hardware

Abstract

The punching device comprises a bottom box, a middle frame is welded to the top of the bottom box, a top box is welded to the top of the middle frame, a containing table is welded to the opposite faces of sliding plates, punching grooves are formed in the two sides of the inner wall of the middle frame, shaft rings are fixedly connected to one ends of the inner walls of the punching grooves, and shaft cores are rotationally connected to the inner walls of the shaft rings. Firstly, the hardware is placed on a placing table, then a forward and reverse rotation motor is started, when the forward and reverse rotation motor drives a second gear to rotate, a gear belt can enable the rotating second gear to drive a first gear to rotate together, and at the moment, a shaft core and a threaded column on the opposite face of the first gear also rotate along with the first gear; and meanwhile, the threaded sleeves and the telescopic square columns can move back and forth on the outer wall of the rotating threaded column, then hardware clamping structures installed on the telescopic square columns can also move back and forth along with the threaded columns, the two sets of telescopic square columns can only move in the opposite direction or the opposite direction at the same time, and therefore the functions of clamping and loosening hardware are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware component manufacturing equipment, in particular to a punching device for cylindrical hardware. Background Art

[0002] Hardware refers to various small parts made of metal, which are usually used for connection, fixation and support in the construction, furniture, automobile and other industries. Common hardware includes screws, nuts, bolts, rivets, hinges, latches, slide rails, etc. Due to its wide range of uses, the quality and performance of hardware are crucial to the quality and safety of the product. When selecting and using hardware, it is necessary to consider its material, strength, corrosion resistance, aesthetics and other aspects. At the same time, the correct installation and maintenance of hardware is also an important factor in ensuring its service life.

[0003] After searching, the prior art, patent application number CN201721354317.0, discloses a cylindrical hardware punching mechanism with a flange, in which the flange of the workpiece to be processed is inserted into the circular placement groove, and then the push rod of the rotating cylinder is rotated so that the clamping plate is above the edge of the flange, and pushed by the push rod of the clamping cylinder, so that the outer side of the flange of the workpiece to be processed is in the groove and clamped between the top surface of the groove and the top surface of the circular placement groove, and the elastic positioning rod is inserted into the through hole on the flange of the workpiece to be processed to achieve further fixation, and then the push rod of the processing lifting cylinder is lowered, and the drilling motor is running to drill the column on the middle top surface of the workpiece to be processed, which has good effect and high efficiency.

[0004] The above technical solution also has the following defects: the internal dimensions of the circular placement groove in the punching device cannot be adjusted, and the range of rotation of the rotating plate with the clamping plate is also fixed. Therefore, the punching device can only punch holes in cylindrical workpieces of specified sizes. Since the hole-turning motor in the device can only move up and down with the lifting cylinder, and there is a lack of structure for changing the horizontal position of the lifting cylinder, the device can only punch holes at fixed positions on the cylindrical workpiece, which seriously affects the use efficiency of the punching device. Summary of the invention

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] A punching device for cylindrical hardware comprises a bottom box, a middle frame is welded on the top of the bottom box, a top box is welded on the top of the middle frame, perforated frames are fixedly connected to the top ends of both sides of the inner wall of the bottom box, slide plates are slidably connected to the inner walls of the perforated frames, a placing table is welded to the opposite sides of the slide plates, perforated grooves are opened on both sides of the inner wall of the middle frame, a shaft ring is fixedly connected to one end of the inner wall of the perforated groove, a shaft core is rotatably connected to the inner wall of the shaft ring, a first gear is fixedly connected to one end face of the shaft core, a threaded column is fixedly connected to the other end face of the shaft core, a threaded sleeve is threadedly connected to the outer wall of the threaded sleeve, and the outer wall of the threaded sleeve is threadedly connected to the outer wall of the threaded sleeve. The walls are fixedly connected with telescopic square columns, the outer walls of the telescopic square columns are slidably connected to the other end of the inner wall of the perforated groove, the opposite surfaces of the telescopic square columns are fixedly connected with mounting plates, plug rods are passed through the mounting plates, the tops of the plug rods are fixedly connected with top blocks, the other ends of the bottoms of the top blocks are fixedly connected with arc-shaped clamping blocks, the tops of the vertical symmetry axes on both sides of the inner walls of the top box are fixedly connected with slide groove frames, a sliding slider is installed inside the slide groove frames, a load-bearing plate is welded at one end of the bottom of the slider, a cylinder is fixedly connected to the bottom of the load-bearing plate, a servo motor is fixedly connected to the output end of the cylinder, and a drill is installed below the servo motor.

[0008] As a further description of the above technical solution: a recovery box is sleeved on the bottom end of the inner wall of the bottom box, a top frame is sleeved on the top end of the inner wall of the recovery box, a first screen is fixedly connected to the bottom end of the inner wall of the top frame, and a support ring is fixedly connected to the top end of the outer wall of the top frame; by setting up the recovery box, the used cleaning water can be recycled.

[0009] As a further description of the above technical solution: a first plug shaft is sleeved on both ends of the inner wall of the top frame, a first bolt is threadedly connected to the inner wall at the top center of the first plug shaft, a bottom frame is fixedly connected to the bottom of the first plug shaft, and a second screen is fixedly connected to the bottom end of the inner wall of the bottom frame; by setting the first screen and the second screen, the cleaning water after use can be filtered and screened.

[0010] As a further description of the above technical solution: a first shell is fixedly connected to the top end of the outer wall on one side of the bottom box and the bottom end of the outer wall on one side of the top box, a second shell is fixedly connected to the top end of the outer wall on the other side of the bottom box and the bottom end of the outer wall on the other side of the top box, a first rotating shaft is fixedly connected to the inner wall of the rear end of the first shell, a forward and reverse motor is fixedly connected to the inner wall of the rear end of the second shell, the output end of the forward and reverse motor and the movable end of the first rotating shaft are fixedly connected to the second gear, the outer walls of the first gear and the second gear are meshed with a gear belt, and a connecting rod is welded at the center of the opposite surface of the second gear; by setting the connecting rod, the forward and reverse motor can rotate with the two sets of second gears, and the gear belt can be used to rotate the rotating second gear with the first gear.

[0011] As a further description of the above technical solution: a water pump is fixedly connected to the center of one side of the inner wall of the top box, a telescopic water outlet pipe is fixedly connected to the output end of the water pump, a control module is fixedly connected to the center of the other side of the inner wall of the top box, a first data line is fixedly connected to the top of the cylinder, the top of the first data line is fixedly connected to the top of the outer wall of one side of the control module, a second data line is fixedly connected to the outer wall of one side of the servo motor, the top of the second data line is fixedly connected to the bottom of the outer wall of one side of the control module; by setting a connection structure between the control module, the first data line and the second data line, the control module can control the cylinder and the servo motor.

[0012] As a further description of the above technical solution: a second rotating shaft is fixedly connected to the center of both sides of the inner wall of the slide groove frame, and the movable ends of the second rotating shaft are fixedly connected to a turntable, a threaded rod is welded at the center of the opposite surface of the turntable, and the outer wall of the threaded rod is threadedly connected to the inner wall of the slider; by setting the second rotating shaft, the turntable and the threaded rod can rotate.

[0013] As a further description of the above technical solution: a rotating plate is fixedly connected to the output end of the servo motor, and the second plug-in shaft is fixedly connected to both ends of the bottom of the rotating plate, and the second plug-in shaft is threadedly connected to the inner wall at the bottom center of the second plug-in shaft, and the outer wall of the second plug-in shaft is sleeved with a bottom plate, and the bottom center of the bottom of the bottom plate is fixedly connected to the top of the drill bit, and a sliding frame is fixedly connected to the same side of the front end of the bottom box, the middle frame and the top box, and the inner wall of the sliding frame is slidably connected to a box door; by setting the box door, the punching device can be covered to prevent debris from flying out during the punching process.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: (1) first place the hardware on the placement table, and then turn on the forward and reverse motors. When the forward and reverse motors drive the second gear to rotate, the gear belt can allow the rotating second gear to drive the first gear to rotate together. At this time, the shaft core and the threaded column on the opposite side of the first gear will also rotate together. At the same time, the threaded sleeve and the telescopic square column can move back and forth on the outer wall of the rotating threaded column. Then, the hardware clamping structure installed on the telescopic square column will also move back and forth together. The two sets of telescopic square columns can only move in relative directions or in opposite directions at the same time, thereby clamping and loosening the hardware. This structure can clamp cylindrical hardware of various sizes. When the turntable is rotated manually, the threaded rod will also rotate together. At this time, the slider can move back and forth on the outer wall of the rotating threaded rod. At the same time, the punching mechanism installed under the slider will also move back and forth together, thereby adjusting the punching position, which is beneficial to further improve the use effect of the punching device.

[0015] (2) Since the punching mechanism can only move horizontally, the hardware can be manually rotated during the process of loosening the hardware, thereby expanding the punching range of the hardware. By setting the first screen and the second screen, the used cleaning water can be filtered and screened. Before the used cleaning water falls into the recycling bin, the first screen and the second screen will separate the dust and debris mixed in the cleaning water. The treated cleaning water will directly flow into the recycling bin for storage. The stored cleaning water can be used again, which not only reduces the waste of water resources, but also reduces the cost expenditure in the hardware production process. The separated dust and debris will accumulate on the surface of the first screen and the second screen. After the hardware processing work is completed, the staff can take out the top frame and the bottom frame, and uniformly treat the dust and debris on the first screen and the second screen.

[0016] (3) By providing a simple connection method between the second plug shaft, the base plate and the second bolt, the disassembly and assembly steps of the drill bit are made more convenient and quick. By providing a telescopic water outlet pipe, the staff can stretch and bend it so that the water outlet is aligned with the drilling position of the hardware. The cleaning water sprayed from the telescopic water outlet pipe can not only cool the drilling position of the hardware, but also quickly remove the dust and debris generated by the drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional diagram of a punching device for cylindrical hardware proposed by the utility model.

[0018] Figure 2 The utility model is a front view of a punching device for cylindrical hardware.

[0019] Figure 3 The utility model is a front cross-sectional view of a punching device for cylindrical hardware.

[0020] Figure 4 The utility model is a rear view of a punching device for cylindrical hardware.

[0021] Figure 5 The utility model provides a three-dimensional diagram of a placement platform and a middle frame in a punching device for cylindrical hardware.

[0022] Figure 6 A punching device for cylindrical hardware proposed by the utility model Figure 3 A partial enlarged view of area A.

[0023] Figure 7 A punching device for cylindrical hardware proposed by the utility model Figure 3 A partial enlarged view of area B in the middle.

[0024] Figure 8 A punching device for cylindrical hardware proposed by the utility model Figure 3 A partial enlarged view of area C in the middle.

[0025] Fig. 9 A punching device for cylindrical hardware proposed by the utility model Figure 3 A partial enlarged view of area D in the middle.

[0026] The corresponding relationship between the annotations and component names in the figure is as follows: 1. bottom box; 2. middle frame; 3. top box; 4. perforated frame; 5. slide plate; 6. placement table; 7. recycling box; 8. top frame; 9. first screen; 10. support ring; 11. first plug shaft; 12. first bolt; 13. bottom frame; 14. second screen; 15. perforated groove; 16. shaft ring; 17. shaft core; 18. first gear; 19. threaded column; 20. threaded sleeve; 21. telescopic square column; 22. mounting plate; 23. plug rod; 24. top block; 25. arc clamp block; 26. first A housing; 27, a second housing; 28, a first rotating shaft; 29, a forward and reverse motor; 30, a second gear; 31, a gear belt; 32, a water pump; 33, a telescopic water outlet pipe; 34, a control module; 35, a slide frame; 36, a second rotating shaft; 37, a turntable; 38, a threaded rod; 39, a slider; 40, a load-bearing plate; 41, a cylinder; 42, a first data line; 43, a servo motor; 44, a second data line; 45, a rotating plate; 46, a second plug shaft; 47, a second bolt; 48, a bottom plate; 49, a drill bit; 50, a slide frame; 51, a box door; 52, a connecting rod. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0029] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0030] Reference Figure 1-9The utility model provides an embodiment of a punching device for cylindrical hardware, comprising a bottom box 1, a middle frame 2 is welded on the top of the bottom box 1, a top box 3 is welded on the top of the middle frame 2, the top ends of both sides of the inner wall of the bottom box 1 are fixedly connected with perforated frames 4, the internal cavity of the perforated frame 4 is set to be square, the length of the perforated frame 4 is the same as the thickness of the inner wall of the bottom box 1, the inner wall of the perforated frame 4 is slidably connected with a slide plate 5, and a placement table 6 is welded on the opposite surface of the slide plate 5. By setting the slide plate 5, it can play a role in supporting the placement table 6, and it also helps to move the placement table 6 back and forth, so as to facilitate the adjustment of the position of the perforation inside the placement table 6. In the process of the slide plate 5 moving back and forth, the perforated frame 4 can remove the dust and debris accumulated on the top surface of the slide plate 5, and the bottom end of the inner wall of the bottom box 1 is sleeved with a recovery box 7. By setting the recovery box 7, the cleaning water after use can be recycled.

[0031] A top frame 8 is sleeved on the top of the inner wall of the recycling box 7, and a first screen 9 is fixedly connected to the bottom end of the inner wall of the top frame 8. A support ring 10 is fixedly connected to the top of the outer wall of the top frame 8. The shape and size of the bottom surface of the support ring 10 are the same as the shape and size of the top surface of the recycling box 7. By setting the support ring 10, the filtering and screening structure placed in the recycling box 7 can be supported. A first plug shaft 11 is sleeved on both ends of the inner wall of the top frame 8. The inner wall at the top center of the first plug shaft 11 is threadedly connected with a first bolt 12. The bottom of the first plug shaft 11 is fixedly connected to a bottom frame 13, and a second screen 14 is fixedly connected to the bottom end of the inner wall of the bottom frame 13. Through holes are opened at both ends of the top frame 8, and the first plug shaft 11 can be inserted vertically upward into the through hole, and then the first plug shaft 11 is installed vertically downward on the first plug shaft 1 from the top of the top frame 8. 1, so that it is convenient to fix the bottom frame 13 and the top frame 8. By setting the first screen 9 and the second screen 14, the cleaning water after use can be filtered and screened. Before the cleaning water after use falls into the recycling box 7, the first screen 9 and the second screen 14 will separate the dust and debris mixed in the cleaning water, and the cleaned cleaning water will directly flow into the recycling box 7 for storage. The stored cleaning water can be used again, which not only reduces the waste of water resources, but also reduces the cost expenditure in the hardware production process. The separated dust and debris will accumulate on the surface of the first screen 9 and the second screen 14. After the hardware processing work is completed, the staff can take out the top frame 8 and the bottom frame 13, and uniformly treat the dust and debris on the first screen 9 and the second screen 14.

[0032] The inner wall of the middle frame 2 is provided with a perforated groove 15 on both sides, and the cavity inside the perforated groove 15 is set in a square shape. The perforated groove 15 runs through the outer walls of both sides of the middle frame 2 in the horizontal direction. One end of the inner wall of the perforated groove 15 is fixedly connected to a shaft ring 16, and the inner wall of the shaft ring 16 is rotatably connected to a shaft core 17. One end surface of the shaft core 17 is fixedly connected to a first gear 18, and the other end surface of the shaft core 17 is fixedly connected to a threaded column 19. The first gear 18 can rotate with the shaft core 17 and the threaded column 19. The threaded column 19 The outer walls are all threadedly connected with threaded sleeves 20, and the outer walls of the threaded sleeves 20 are fixedly connected with telescopic square columns 21. When the threaded column 19 rotates, the threaded sleeves 20 and the telescopic square columns 21 can move back and forth on the outer wall of the rotating threaded column 19. At this time, the hardware clamping structure installed on the telescopic square columns 21 will also move back and forth. The two groups of telescopic square columns 21 can only move in relative directions or in opposite directions at the same time. The outer walls of the telescopic square columns 21 are slidably connected to the other end of the inner wall of the perforated groove 15.

[0033] The opposite surfaces of the telescopic square column 21 are fixedly connected with a mounting plate 22, and a plug rod 23 passes through the mounting plate 22. The top of the plug rod 23 is fixedly connected with a top block 24, and the other end of the bottom of the top block 24 is fixedly connected with an arc-shaped clamping block 25. A through hole running through the top and bottom is opened in the mounting plate 22, and the plug rod 23 is vertically inserted into the through hole downward to install the arc-shaped clamping block 25. By setting a simple connection method between the plug rod 23 and the mounting plate 22, the disassembly and assembly steps of the arc-shaped clamping block 25 are more convenient and quick, and it is also convenient to replace, repair or clean the arc-shaped clamping block 25.

[0034] A first shell 26 is fixedly connected to the top end of the outer wall on one side of the bottom box 1 and the bottom end of the outer wall on one side of the top box 3, a second shell 27 is fixedly connected to the top end of the outer wall on the other side of the bottom box 1 and the bottom end of the outer wall on the other side of the top box 3, a first rotating shaft 28 is fixedly connected to the inner wall at the rear end of the first shell 26, a forward and reverse motor 29 is fixedly connected to the inner wall at the rear end of the second shell 27, an output end of the forward and reverse motor 29 and a movable end of the first rotating shaft 28 are fixedly connected to a second gear 30, the outer walls of the first gear 18 and the second gear 30 are meshed with a gear belt 31, a connecting rod 52 is welded at the center of the opposite surface of the second gear 30, by setting the first shell 26 and the second shell 27, the first gear 18, the second gear 30 and the gear belt 31 structure can be protected, by setting the connecting rod 52, the forward and reverse motor 29 can rotate with the two groups of second gears 30, and the gear belt 31 can be used to rotate the rotating second gear 30 with the first gear 18.

[0035] A water pump 32 is fixedly connected to the center of one side of the inner wall of the top box 3, and a telescopic water outlet pipe 33 is fixedly connected to the output end of the water pump 32. By setting the telescopic water outlet pipe 33, the staff can stretch and bend it, so as to align the water outlet with the punching position of the hardware. The cleaning water sprayed from the telescopic water outlet pipe 33 can not only cool the punching position of the hardware, but also quickly remove the dust and debris generated by the punching. A control module 34 is fixedly connected to the center of the other side of the inner wall of the top box 3, and a slide frame 35 is fixedly connected to the top of the vertical symmetry axis on both sides of the inner wall of the top box 3. The centers of the two sides of the inner wall of the slide frame 35 are fixedly connected to the second rotary The shaft 36 and the movable end of the second rotating shaft 36 are fixedly connected to the turntable 37, and a threaded rod 38 is welded at the center of the opposite surface of the turntable 37. The outer wall of the threaded rod 38 is threadedly connected to a slider 39, and the outer walls on both sides of the slider 39 are slidably connected to the other two sides of the inner wall of the slide frame 35. By setting the second rotating shaft 36, the turntable 37 and the threaded rod 38 can rotate. When the turntable 37 is rotated manually, the threaded rod 38 will also rotate together. At this time, the slider 39 can move back and forth on the outer wall of the rotating threaded rod 38, and the punching mechanism installed under the slider 39 will also move back and forth together, thereby playing a role in adjusting the punching position.

[0036] A load-bearing plate 40 is welded to one end of the bottom of the slider 39, and a cylinder 41 is fixedly connected to the bottom end of the load-bearing plate 40. A first data line 42 is fixedly connected to the top of the cylinder 41, and the top of the first data line 42 is fixedly connected to the top of the outer wall of one side of the control module 34. A servo motor 43 is fixedly connected to the output end of the cylinder 41, and a second data line 44 is fixedly connected to the outer wall of one side of the servo motor 43, and the top of the second data line 44 is fixedly connected to the bottom of the outer wall of one side of the control module 34. By setting a connection structure between the control module 34, the first data line 42 and the second data line 44, the control module 34 can control the cylinder 41 and the servo motor 43. A rotating plate 45 is fixedly connected to the output end of the servo motor 43, and both ends of the bottom of the rotating plate 45 are fixedly connected. A second plug shaft 46 is connected, and a second bolt 47 is threadedly connected to the inner wall at the bottom center of the second plug shaft 46, and a bottom plate 48 is sleeved on the outer wall of the second plug shaft 46. A drill bit 49 is fixedly connected to the bottom center of the bottom plate 48. Through holes are opened at both ends of the bottom plate 48 and penetrate upward and downward. After the second plug shaft 46 is vertically inserted into the through hole downward, the second bolt 47 is installed vertically upward on the second plug shaft 46 from the bottom of the bottom plate 48, so as to fix the drill bit 49 structure. By setting a simple connection method between the second plug shaft 46, the bottom plate 48 and the second bolt 47, the disassembly and assembly steps of the drill bit 49 are more convenient and quick. A sliding frame 50 is fixedly connected to the same side of the front ends of the bottom box 1, the middle frame 2 and the top box 3, and a box door 51 is slidably connected to the inner wall of the sliding frame 50.

[0037] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A punching device for cylindrical hardware, comprising a bottom box (1), characterized in that: The top of the bottom box (1) is welded with a middle frame (2), the top of the middle frame (2) is welded with a top box (3), the tops of both sides of the inner wall of the bottom box (1) are fixedly connected with perforated frames (4), the inner walls of the perforated frames (4) are slidably connected with slide plates (5), the opposite surfaces of the slide plates (5) are welded with a placement table (6), both sides of the inner wall of the middle frame (2) are provided with perforated grooves (15), one end of the inner wall of the perforated groove (15) is fixedly connected with a shaft ring (16), the inner wall of the shaft ring (16) is rotatably connected with a shaft core (17), one end surface of the shaft core (17) is fixedly connected with a first gear (18), the other end surface of the shaft core (17) is fixedly connected with a threaded column (19), the outer wall of the threaded column (19) is threadedly connected with a threaded sleeve (20), and the outer wall of the threaded sleeve (20) is fixedly connected with a telescopic square column (21 ), the outer wall of the telescopic square column (21) is slidably connected to the other end of the inner wall of the perforated groove (15), the opposite surface of the telescopic square column (21) is fixedly connected with a mounting plate (22), a plug rod (23) is passed through the mounting plate (22), the top of the plug rod (23) is fixedly connected with a top block (24), the other end of the bottom of the top block (24) is fixedly connected with an arc clamping block (25), the top of the vertical symmetry axis on both sides of the inner wall of the top box (3) is fixedly connected with a slide frame (35), a sliding slider (39) is installed inside the slide frame (35), a load-bearing plate (40) is welded to one end of the bottom of the slider (39), the bottom end of the load-bearing plate (40) is fixedly connected with a cylinder (41), the output end of the cylinder (41) is fixedly connected with a servo motor (43), and a drill bit (49) is installed below the servo motor (43).

2. A cylindrical hardware punching device according to claim 1, characterized in that: The bottom end of the inner wall of the bottom box (1) is sleeved with a recovery box (7), the top end of the inner wall of the recovery box (7) is sleeved with a top frame (8), the bottom end of the inner wall of the top frame (8) is fixedly connected to a first screen (9), and the top end of the outer wall of the top frame (8) is fixedly connected to a support ring (10).

3. A cylindrical hardware punching device according to claim 2, characterized in that: The first plug shaft (11) is sleeved on both ends of the inner wall of the top frame (8), the inner wall at the top center of the first plug shaft (11) is threadedly connected with a first bolt (12), the bottom of the first plug shaft (11) is fixedly connected to the bottom of the bottom frame (13), and the bottom end of the inner wall of the bottom frame (13) is fixedly connected to a second screen (14).

4. The punching device for cylindrical hardware according to claim 1, characterized in that: A first shell (26) is fixedly connected to the top end of the outer wall of one side of the bottom box (1) and the bottom end of the outer wall of one side of the top box (3); a second shell (27) is fixedly connected to the top end of the outer wall of the other side of the bottom box (1) and the bottom end of the outer wall of the other side of the top box (3); a first rotating shaft (28) is fixedly connected to the inner wall at the rear end of the first shell (26); a forward and reverse motor (29) is fixedly connected to the inner wall at the rear end of the second shell (27); a second gear (30) is fixedly connected to the output end of the forward and reverse motor (29) and the movable end of the first rotating shaft (28); a gear belt (31) is meshed between the outer walls of the first gear (18) and the second gear (30); and a connecting rod (52) is welded at the center of the opposite surface of the second gear (30).

5. The punching device for cylindrical hardware according to claim 1, characterized in that: A water pump (32) is fixedly connected at the center of one side of the inner wall of the top box (3), and a telescopic water outlet pipe (33) is fixedly connected to the output end of the water pump (32). A control module (34) is fixedly connected at the center of the other side of the inner wall of the top box (3). A first data line (42) is fixedly connected to the top of the cylinder (41), and the top of the first data line (42) is fixedly connected to the top of the outer wall of one side of the control module (34). A second data line (44) is fixedly connected to the outer wall of one side of the servo motor (43), and the top of the second data line (44) is fixedly connected to the bottom of the outer wall of one side of the control module (34).

6. The punching device for cylindrical hardware according to claim 1, characterized in that: A second rotating shaft (36) is fixedly connected at the center of both sides of the inner wall of the slide groove frame (35), and a rotating disk (37) is fixedly connected to the movable end of the second rotating shaft (36). A threaded rod (38) is welded at the center of the opposite surface of the rotating disk (37), and the outer wall of the threaded rod (38) is threadedly connected to the inner wall of the sliding block (39).

7. The punching device for cylindrical hardware according to claim 1, characterized in that: The output end of the servo motor (43) is fixedly connected to a rotating plate (45), and both ends of the bottom of the rotating plate (45) are fixedly connected to a second plug shaft (46), and the inner wall at the bottom center of the second plug shaft (46) is threadedly connected to a second bolt (47), and the outer wall of the second plug shaft (46) is sleeved with a bottom plate (48), and the bottom center of the bottom of the bottom plate (48) is fixedly connected to the top of the drill bit (49), and the front ends of the bottom box (1), the middle frame (2) and the top box (3) are fixedly connected to a sliding frame (50), and the inner wall of the sliding frame (50) is slidably connected to a box door (51).

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