A punching device for leather uppers of combat boots

Abstract

The invention discloses a punching device for a leather upper of a combat boot, relates to the field of shoe processing, and solves the problems of poor tensile and wear resistance of the edge of the hole and loose installation of the shoe eye buckle in the traditional leather plate punching method. While a hollow drill bit cuts the leather plate, the elastic pressing and holding effect of a rotating drum and a pressing sleeve is utilized to achieve secondary extrusion and friction of the edge of the hole, so that a high-density leather surface layer is stably fitted on the cutting surface, thereby greatly improving the tensile resistance and wear resistance of the edge of the hole and meeting the high-intensity use requirements. While punching, the female buckle is pressed and held by the rotating ring of the rotating drum and squeezed and installed in the expanded shoelace hole, so that the shoe eye buckle is closely fitted to the hole wall and further shaped by friction, thereby significantly enhancing the tensile deformation resistance and firmness of the shoe eye buckle and reducing the risk of falling off during use.

Description

Technical Field

[0001] The invention relates to the field of shoe processing, in particular to a punching device for leather uppers of combat boots. Background Art

[0002] Combat boots are based on the quality requirements of special supply, with excellent overall material selection and more complicated processing technology, designed to meet the special operations or daily use in various environments, with extremely high durability and comfort. However, due to the complexity of the use environment, the shoelace holes are basically protected by shoe eyelets to improve their strength. The shoe eyelets are divided into sub-buckles and mother buckles, which are clamped and fixed on both sides of the shoelace holes to reduce the pulling on the cutting surface of the shoelace holes. The cutting surface formed by direct punching during the operation of the current punching equipment is often poor in wear resistance and tensile resistance, and needs to be When the eyelet buckle is installed separately, it is often not possible to fit the shoe eyelet tightly enough to pass through the shoe eyelet hole, and the shoe eyelet buckle is mainly subjected to the clamping force on both sides. Currently, the special design of the eyelet buckle for combat boots can greatly reduce the probability of falling off. However, due to the needs of complex use, it is still difficult to completely avoid the falling off of the eyelet buckle, which also causes the tension of the shoelace to directly act on the cutting surface of the shoelace hole after falling off, causing the hole diameter to expand with use, and the wear resistance and tensile resistance of the cutting surface are poor, which cannot meet the needs of continued high-intensity and safe use. Summary of the invention

[0003] The purpose of the present invention is to solve the problem that the traditional punching method of special combat boots leather cannot meet the use requirements, and to propose a punching device for the leather upper of combat boots.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a punching device for leather uppers of combat boots, comprising a supporting component and a hole-forming component and a hole-punching component installed thereon, and a control component for coordinating the hole-forming component and the hole-punching component to process a leather plate, and also comprising a female buckle and a sub-buckle placed on both sides of the leather plate, the supporting component comprising a shell and a slide frame vertically sliding on the shell, and a locking component for locking the height of the slide frame installed on the shell;

[0005] The punching assembly includes a hollow drill bit and a lifting frame rotatably connected to the side wall thereof, and a driving module for driving the hollow drill bit to rotate. The hole forming assembly includes a rotating drum, a thimble that penetrates and slides in the rotating drum and applies elastic pressure thereto, and a pressing sleeve that is slidably arranged on the rotating drum to position the female buckle.

[0006] The control assembly includes a control rod installed in the housing through a pin shaft and two swing arms coaxially fixed at the bottom ends thereof, and a first push plate and a second push plate symmetrically sliding on both sides of the swing arms, and also includes a pressure plate jointly arranged at the bottom of the first push plate and the slide frame, and an elastic telescopic rod jointly arranged at one side of the second push plate and the lifting frame;

[0007] When the leather plate is elastically pressed by the pressing sleeve and the rotating drum, the female buckle is calibrated to the drilling position. The hollow drill bit lifts and drills the leather plate to a predetermined thickness during the rotation process. After the ejector pin pierces the leather plate to a predetermined thickness, the rotating drum expands this area of ​​the leather plate under elastic pressure until the bottom end contacts the hollow drill bit. At this time, the predetermined thickness is expanded and attached to the cutting surface of the hollow drill bit. The hollow drill bit reacts with the rotating drum to rotate and continues to descend during the rotation. The rotating drum presses the female buckle in a rotating state and passes through the leather plate and then connects with the sub-buckle.

[0008] Through the innovatively designed joystick operation mechanism, the processing personnel only need one hand to realize the movement and precise control of the equipment, which simplifies the operation steps and allows the other hand to operate the leather plate. It is flexible and easy to operate. At the same time, the punching and shoe eyelet installation are carried out simultaneously, which greatly improves the overall operation efficiency.

[0009] As a further description of the above technical solution: the support assembly also includes two guide rails fixed on one side of the slide, and two slides fixed on the outer shell for sliding with the guide rails. One side of the slide is provided with a locking point for cooperating with the locking assembly to lock. Two return springs are fixed between the slide and the outer shell, and the upper surface of the outer shell is provided with a plurality of elastic pressure plates for auxiliary clamping of the leather plate.

[0010] As a further description of the above technical solution: the shell includes a panel and support ribs and side panels fixed on the panel, the surface of the panel is provided with an installation groove for placing the sub-button, the installation groove is provided with a through hole for the hollow drill bit to pass through, and the slide penetrates and slides on the surface of the panel.

[0011] As a further description of the above technical solution: the punching assembly also includes a sliding rod fixed on the lower surface of the panel, the surface of the sliding rod passes through and slides on the surface of the lifting frame, the surface of the lifting frame is fixedly connected with a buffer spring, and the other end of the buffer spring is fixed on the lower surface of the panel.

[0012] As a further description of the above technical solution: the driving module includes a motor frame fixed on the lower surface of the panel, a driver is installed on the motor frame, a driving gear is fixed to the output shaft of the driver, the surface of the driving gear is meshed with a driven gear fixed to the side wall of the hollow drill bit, and the driving gear and the driven gear are both linear gears.

[0013] As a further description of the above technical solution: the shell also includes a waste box, and the waste box is located below the hollow drill bit.

[0014] As a further description of the above technical solution: the hole-forming assembly also includes a force spring rotatably connected to the top of the rotating cylinder, the top of the force spring is fixedly connected to the top of the ejector pin, a rotating ring is rotatably provided on the surface of the rotating cylinder, the rotating ring slides on the inner wall of the pressing sleeve, a pressure-holding tension spring is fixed on the inner wall of the pressing sleeve and the rotating ring, the bottom of the pressing sleeve is arranged in an inclined opening shape, and a grinding ring is fixedly connected to the bottom end of the rotating cylinder.

[0015] As a further description of the above technical solution: the control component also includes a pressure wheel rotatably connected to the bottom end of the swing arm, and both ends of the first push plate and the second push plate are provided with guide slides for maintaining their horizontal sliding, and the guide slides are installed on the shell, and the two ends of the elastic telescopic rod are respectively connected to the lifting frame and the second push plate through pins, and the two ends of the pressure plate are respectively connected to the first push plate and the slide through pins.

[0016] As a further description of the above technical solution: a start-stop button for controlling the power on and off of the drive is arranged at the top end of the control rod.

[0017] As a further description of the above technical solution: the locking assembly includes a sleeve fixed on the side panel, the inner wall of the slide is limitedly slid with a lock core that cooperates with the locking point, the inner wall of the sleeve is provided with an ejection spring for elastically supporting the lock core, and also includes a brake line that passes through and is fixed on the side panel, and one end of the brake line is fixed to the lock core, and the other end of the brake line is provided with a tensioning handle.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0019] The scheme is to pull the control rod to control the slide to press the hole forming assembly down to the locking point and be positioned by the locking assembly when in use, so that the control rod can be reset to a vertical state. At this time, the pressure sleeve and the rotating drum of the hole forming assembly will elastically press the leather plate, and then press the start-stop button on the top of the control rod and pull the control rod, so that the drive module is powered on and the control rod is pushed to drive the hollow drill bit to rotate and lift, and cooperate with the rotating drum and the pressure sleeve to keep pressing on the upper side of the leather plate, and the hollow drill bit will frictionally drill the lower surface of the leather plate to a predetermined thickness. At this time, the control rod is released and pulled, and the handle is tightened to release the lock of the locking assembly, so that the slide continues to press down with the hole forming assembly, and the force spring contracts to elastically press the rotating drum. The elastic pressure gradually increases, and the drum is kept at a certain pressure on the position of the predetermined thickness until the ejector pierces the area. After the ejector pierces the predetermined thickness area of ​​the leather plate, the drum expands the leather plate in this area under elastic pressure until the bottom end contacts the hollow drill bit. At this time, the predetermined thickness is attached to the cutting surface of the hollow drill bit after expansion. The hollow drill bit reacts to the drum and then stops to complete the shoelace hole forming. This method can achieve the extrusion of the leather plate with a higher density on the cutting surface of the shoelace hole, and maintain a stable fit under the action of rotational friction. Compared with the traditional direct drilling method, the tensile and wear resistance of the cutting surface after drilling is greatly improved, meeting the needs of high-intensity use in various environments;

[0020] At the same time, the area pierced by the ejector pin expands during the downward squeezing during the descending of the rotating drum. After expanding to a certain area, the rotating drum presses the female buckle through the rotating ring on the surface and rotates through the leather plate to connect with the sub-buckle. In this solution, the female buckle is rotated in an extruded state to fit into the expanded shoelace hole (the hole drilled by the hollow drill bit), and the inner wall of the shoelace hole is rubbed during rotation to shape it, and the fit is higher. This method can complete the installation of the shoe eyelet buckle while punching the hole, and compared with the traditional clamping force method, the installed shoe eyelet buckle has sufficient extrusion force at the same time as the shoelace hole, and combined with the higher tensile deformation resistance of the shoe eyelet, the probability of the shoe eyelet buckle falling off is greatly reduced.

[0021] In summary, a new method of punching holes in leather surfaces is realized, and the whole device can realize the overall punching control by grasping the control lever with one hand and moving in two directions respectively. The overall use is simple and convenient, the operation is convenient, and the punching can realize the synchronous installation of the shoe eyelets at the same time, which has high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0023] Figure 2 A three-dimensional schematic diagram of another viewing angle of the present invention;

[0024] Figure 3 It is a cross-sectional schematic diagram of the present invention;

[0025] Figure 4 It is a three-dimensional cross-sectional schematic diagram of the present invention;

[0026] Figure 5 It is a cross-sectional schematic diagram of the hole-forming component of the present invention;

[0027] Figure 6 It is a three-dimensional cross-sectional schematic diagram of the punching assembly of the present invention;

[0028] Figure 7 It is a partial enlarged schematic diagram of location A of the present invention;

[0029] Figure 8 It is a three-dimensional cross-sectional schematic diagram of the locking assembly of the present invention;

[0030] Fig. 9 It is an exploded schematic diagram of the hole-forming assembly of the present invention;

[0031] Fig.10 It is a schematic diagram of the explosion outside of the present invention;

[0032] Fig.11 It is an explosion schematic diagram of the present invention;

[0033] Fig.12 It is a schematic diagram of the punching principle of the present invention.

[0034] Legend:

[0035] 10. Support assembly; 11. Housing; 111. Panel; 112. Mounting slot; 113. Perforation; 114. Support rib; 115. Side panel; 116. Waste box; 12. Slide; 13. Guide rail; 14. Slide; 15. Reset spring; 16. Locking point; 17. Elastic pressing piece;

[0036] 20. Hole forming assembly; 21. Ejector pin; 22. Rotating cylinder; 23. Rotating ring; 24. Pressing sleeve; 25. Pressing and holding tension spring; 26. Force spring; 27. Grinding ring;

[0037] 30. Punching assembly; 31. Driving module; 311. Motor frame; 312. Driver; 313. Driving gear; 314. Driven gear; 32. Hollow drill bit; 33. Lifting frame; 34. Sliding rod; 35. Buffer spring;

[0038] 40. Locking assembly; 41. Card sleeve; 42. Lock cylinder; 43. Ejection spring; 44. Brake line; 45. Tensioning handle;

[0039] 50. Control assembly; 51. Control rod; 52. First push plate; 53. Second push plate; 54. Guide slide; 55. Swing arm; 56. Press wheel; 57. Press plate; 58. Elastic telescopic rod;

[0040] 60. Start / stop button; 70. Leather plate; 80. Female buckle; 90. Female buckle. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] like Figure 1 - Fig.12 As shown, the present invention provides: a punching device for leather uppers of combat boots, comprising a support component 10 and a hole forming component 20 and a hole punching component 30 installed thereon, and a control component 50 for coordinating the hole forming component 20 and the hole punching component 30 to process a leather plate 70, and also comprising a female buckle 80 and a sub-buckle 90 placed on both sides of the leather plate 70, the support component 10 comprises a shell 11 and a slide 12 vertically sliding on the shell 11, and a locking component 40 for locking the height of the slide 12 is installed on the shell 11;

[0043] The punching assembly 30 includes a hollow drill bit 32 and a lifting frame 33 rotatably connected to the side wall thereof, and a driving module 31 for driving the hollow drill bit 32 to rotate. The hole forming assembly 20 includes a rotating cylinder 22 and a thimble 21 that penetrates and slides in the rotating cylinder 22 and applies elastic pressure thereto, and a pressing sleeve 24 that is slidably arranged on the rotating cylinder 22 to position the female buckle 80.

[0044] The control assembly 50 includes a control rod 51 installed in the housing 11 through a pin shaft, two swing arms 55 coaxially fixed at the bottom ends thereof, and a first push plate 52 and a second push plate 53 symmetrically sliding on both sides of the swing arm 55, and also includes a pressing plate 57 provided together with the first push plate 52 and the bottom of the slide 12, and an elastic telescopic rod 58 provided together with the second push plate 53 and one side of the lifting frame 33;

[0045] A new method of punching holes in a leather plate 70 is achieved by combining mechanical cooperation with elastic pressure control. Based on the traditional direct drilling method, a rotating drum 22 and a pressing sleeve 24 assembly are introduced to perform secondary extrusion and friction on the edge of the hole through the action of elastic pressure, so that the high-density leather surface layer of the leather plate 70 covers the cutting surface. This design effectively enhances the tensile strength and wear resistance of the edge of the hole, breaking through the technical bottleneck of the difficulty in improving the quality of the cutting surface in traditional processes. In addition, the synchronous operation of punching and eyelet installation is achieved while ensuring the quality of punching. By setting a rotating ring 23 on the surface of the rotating drum 22, the female buckle 80 rotates through the expanded shoelace hole during the extrusion process and is shaped by friction on the inner wall of the shoelace hole, thereby ensuring a high degree of fit and stability between the female buckle 80 and the inner wall of the shoelace hole, which not only greatly reduces the risk of the eyelet falling off, but also achieves a high degree of integration of equipment functions and improves overall work efficiency.

[0046] The above process is controlled by the bidirectional movement of the control rod 51, thereby achieving the precise positioning of the slide 12, the stable downward pressing of the hole forming assembly 20, and the efficient drilling and lifting of the hollow drill bit 32. This one-hand operation design simplifies the use steps and significantly improves the convenience and flexibility of the device.

[0047] When the leather plate 70 is elastically pressed by the pressure sleeve 24 and the rotating drum 22, the female buckle 80 is calibrated to the drilling position, and the hollow drill bit 32 lifts and drills the leather plate 70 to a predetermined thickness during the rotation process. After the ejector pin 21 pierces the leather plate 70 to a predetermined thickness, the rotating drum 22 expands this area of ​​the leather plate 70 under elastic pressure until the bottom end contacts the hollow drill bit 32. At this time, the predetermined thickness is expanded and attached to the cutting surface of the hollow drill bit 32. The hollow drill bit 32 reacts with the rotating drum 22 to rotate and continues to descend during the rotation. The rotating drum 22 presses the female buckle 80 to rotate through the leather plate 70 and then connects with the sub-buckle 90.

[0048] Specifically, Figure 4 As shown: the support assembly 10 also includes two guide rails 13 fixed on one side of the slide 12, and two slides 14 fixed on the outer shell 11 to cooperate with the guide rails 13 to slide. A locking point 16 for cooperating with the locking assembly 40 is provided on one side of the slide 12. Two return springs 15 are fixed between the slide 12 and the outer shell 11. The upper surface of the outer shell 11 is provided with a plurality of elastic pressing plates 17 for auxiliary clamping of the leather plate 70.

[0049] The two guide rails 13 of the support assembly 10 are located on the slide 12, and the sliding member 14 sliding on the surface thereof is fixed on the housing 11. When the slide 12 moves, the guide rails 13 on the surface slide in the sliding member 14 to maintain the stability of the movement of the slide 12. At the same time, when the slide 12 moves downward, the return spring is extended under the tension, and can provide a return force for the slide 12 after losing the force.

[0050] The elastic pressing piece 17 can adjust the angle to facilitate the auxiliary positioning of the leather plate 70, avoid displacement, and ensure the accuracy of the punching position.

[0051] Specifically, Fig.10 As shown: the housing 11 includes a panel 111 and a supporting rib 114 and a side panel 115 fixed on the panel 111. The surface of the panel 111 is provided with a mounting groove 112 for placing the sub-button 90. The mounting groove 112 is provided with a through hole 113 for the hollow drill bit 32 to pass through. The slide 12 penetrates and slides on the surface of the panel 111.

[0052] The support ribs 114 can support the panel 111, and the side panels 115 can cooperate with the support ribs 114 to be closed to form an internal protection mechanism. The mounting groove 112 on the panel 111 can position the sub-buckle 90 to avoid displacement, and the through hole 113 in the mounting groove 112 can keep the hollow drill bit 32 accurately passing through the sub-buckle 90 without interference.

[0053] Specifically, Figure 6 As shown: the punching assembly 30 also includes a slide rod 34 fixed on the lower surface of the panel 111, the surface of the slide rod 34 penetrates and slides on the surface of the lifting frame 33, the surface of the lifting frame 33 is fixedly connected with a buffer spring 35, and the other end of the buffer spring 35 is fixed on the lower surface of the panel 111.

[0054] The slide bar 34 can keep the lifting frame 33 in position, and the height of the lifting frame 33 can be limited by the slide 12 to maintain the stability of the lifting frame 33. The buffer spring 35 can provide a downward pressure on the lifting frame 33. When the elastic telescopic rod 58 is lifted by squeezing the lifting frame 33, it needs to overcome the elastic force of the buffer spring 35 to raise its height. The elastic force in two directions also gradually increases, which greatly improves the stability of the hollow drill bit 32 during high-speed rotation. It can avoid up and down shaking, and can keep the hollow drill bit 32 elastically pressed on the surface of the leather plate 70 for drilling, and the drilled waste can fall.

[0055] Specifically, Figure 6 As shown: the driving module 31 includes a motor frame 311 fixed on the lower surface of the panel 111, a driver 312 is installed on the motor frame 311, a driving gear 313 is fixed to the output shaft of the driver 312, and the surface of the driving gear 313 is meshed with a driven gear 314 fixed to the side wall of the hollow drill bit 32, and the driving gear 313 and the driven gear 314 are both linear gears.

[0056] The driver 312 of the driving module 31 drives the driving gear 313 to rotate, and when the height of the hollow drill bit 32 changes, the driven gear 314 on the surface moves, and the driven gear 314 can maintain a meshing state with the driving gear 313 when moving.

[0057] Specifically, Fig.11 As shown, the housing 11 further comprises a waste box 116 , which is located below the hollow drill bit 32 .

[0058] By providing a waste box 116 , which is located below the hollow drill bit 32 and slides under the panel 111 , the waste drilled by the hollow drill bit 32 can be collected for convenient unified treatment.

[0059] Specifically, Figure 5 and Fig. 9 As shown: the hole forming assembly 20 also includes a force spring 26 rotatably connected to the top of the rotating cylinder 22, the top of the force spring 26 is fixedly connected to the top of the ejector pin 21, a rotating ring 23 is rotatably provided on the surface of the rotating cylinder 22, the rotating ring 23 slides on the inner wall of the pressing sleeve 24, a holding tension spring 25 is fixed on the inner wall of the pressing sleeve 24 and the rotating ring 23, the bottom of the pressing sleeve 24 is arranged in an inclined opening shape, and a grinding ring 27 is fixedly connected to the bottom end of the rotating cylinder 22.

[0060] The ejector pin 21 of the hole forming assembly 20 moves with the movement of the slide 12. The ejector pin 21 moves downward with the rotating drum 22 through the force spring 26. When the rotating drum 22 moves downward, the rotating ring 23 on its surface can pull the holding spring when it moves downward, and apply an elastic pressure to the pressing sleeve 24 through the holding spring. The trumpet-shaped opening at the bottom of the pressing sleeve 24 accurately positions the female buckle 80 and is in an axial position with the child buckle 90. Then the pressing sleeve 24 is pressed on the surface of the leather plate 70 under the elastic pressure until the rotating drum 22 contacts the surface of the leather plate 70. At this time, the sliding distance of the slide 12 downward reaches the position where the locking point 16 is locked by the locking assembly 40, and the slide 12 is kept at this height to continuously hold the hole forming assembly 20.

[0061] After the punching assembly 30 punches a hole in the leather plate 70, the locking assembly 40 is released to keep pressing the slide 12. The slide 12 is pressed down to continuously hold the ejector pin 21, so that the ejector pin 21 moves to compress the force applying spring 26, and provides a larger holding force to the rotating cylinder 22 through the force until the ejector pin 21 pierces the leather plate 70. At this time, the rotating cylinder 22 in the power storage state penetrates and expands the damaged part on the surface of the leather plate 70 until the grinding ring 27 at the bottom end of the rotating cylinder 22 contacts the hollow drill bit 32, and the grinding ring 27 is in meshing state with the top cutting edge of the hollow drill bit 32, so that the rotating cylinder 22 can be rotated when the hollow drill bit 32 is rotated.

[0062] Specifically, Figure 4As shown: the control component 50 also includes a pressure wheel 56 rotatably connected to the bottom end of the swing arm 55, and both ends of the first push plate 52 and the second push plate 53 are provided with guide slides 54 to maintain their horizontal sliding, and the guide slides 54 are installed on the shell, and the two ends of the elastic telescopic rod 58 are respectively movably connected to the lifting frame 33 and the second push plate 53 through pins, and the two ends of the pressure plate 57 are respectively movably connected to the first push plate 52 and the slide 12 through pins.

[0063] The push and pull of the control assembly 50 can be deflected by the swing arm 55 and form a lever force. At the same time, the swing arm 55 can be pressed in two directions by the pressure wheel 56, so that it can slide with the first push plate 52 and the second push plate 53;

[0064] The guide slide 54 can maintain the stable sliding of the first push plate 52 and the second push plate 53 .

[0065] Specifically, Figure 1 As shown: a start / stop button 60 for controlling the power on / off of the driver 312 is provided at the top of the control rod 51 .

[0066] The start / stop button 60 is provided and located at the top of the control rod 51 , so that it is convenient to press it when pushing or pulling the control rod 51 , and the tensioning handle 45 can be conveniently controlled at the same time.

[0067] Specifically, Figure 8 As shown: the locking assembly 40 includes a sleeve 41 fixed on the side panel 115, the inner wall of the slide 14 is limitedly slidable with a lock core 42 that cooperates with the locking point 16, the inner wall of the sleeve 41 is provided with an ejection spring 43 for elastically supporting the lock core 42, and also includes a brake line 44 that passes through and is fixed on the side panel 115, and one end of the brake line 44 is fixed to the lock core 42, and the other end of the brake line 44 is provided with a tensioning handle 45.

[0068] The locking assembly 40 can operate the tensioning handle 45 so that it can slide in the slide 14 with the lock core 42 through the brake line 44. The ejector spring 43 keeps the lock core 42 in contact with one side of the slide 12. When the slide 12 moves to this position, it can automatically slide into the locking point 16 to achieve locking. By tensioning the handle 45 and the brake line 44, the ejector spring 43 can slide out of the locking point 16.

[0069] When the present solution is in use, the control rod 51 of the control assembly 50 is pulled, and the control rod 51 deflects with the swing arm 55 through the coaxial, wherein the pressure wheel 56 at the bottom end of the swing arm 55 moves in an arc trajectory and contacts and presses the first push plate 52 to slide horizontally, the first push plate 52 squeezes one end of the pressure plate 57, and the other end of the pressure plate 57 presses the slide 12 to move downward and stretch the two reset springs 15, wherein the locking point 16 of the slide 12 is positioned by the locking assembly 40, and the reset control rod 51 is in a vertical state, at which time the slide 12 is maintained in a downward pressed state, and the pressing sleeve 24 and the rotating drum 22 of the hole forming assembly 20 elastically press the leather plate 70;

[0070] At this time, the start / stop button 60 at the top of the control rod 51 is pressed and the control rod 51 is pulled, so that the driver 312 of the driving module 31 drives the driven gear 314 to rotate through the driving gear 313. When the driven gear 314 rotates, it also rotates the hollow drill bit 32. When the control rod 51 is pulled, compared with the above-mentioned pushing motion trajectory, its pressure wheel 56 pushes the second push plate 53 to slide horizontally. The second push plate 53 presses the lifting frame 33 to lift through the elastic telescopic rod 58. The lifting frame 33 moves up with the hollow drill bit 32 and the driven gear 314 on the surface at the same time and presses the buffer spring 35 to shrink. At this time, the rotating drum 22 and the pressing sleeve 24 keep pressing on the upper part of the leather plate 70, and cooperate with the hollow drill bit 32 to drill the lower surface of the leather plate 70 to a predetermined thickness through friction.

[0071] After releasing the control rod 51, pull it until it cannot be pulled anymore, then hold the tensioning handle 45 to release the lock assembly 40 from locking the slide 12, so that the slide 12 and the hole forming assembly 20 are continuously pressed down, and at this time, the force spring 26 contracts and the elastic pressure on the rotating drum 22 gradually increases, so that the rotating drum 22 has a certain pressure on the position of the predetermined thickness until the ejector 21 pierces the area, and after the ejector 21 pierces the predetermined thickness area of ​​the leather plate 70, the rotating drum 22 expands the leather plate 70 under the elastic pressure until the bottom end contacts the hollow drill bit 32, and at this time, the predetermined thickness area is expanded and attached to the cutting surface of the hollow drill bit 32, and the start-stop button 60 is pressed, and the hollow drill bit 32 reacts to rotate the rotating drum 22 that is in contact with its top end for a period of time to complete the punching, so that the surface layer of the leather plate 70 with a higher density is extruded and covers the cutting surface of the leather plate 70 by the hollow drill bit 32;

[0072] At the same time, the rotating drum 22 presses the female buckle 80 through the rotating ring 23 on the surface, so that the female buckle 80 can be squeezed through the leather plate 70 and is located in the installation groove 112 under the squeezing to be fixed with the sub-buckle 90.

[0073] like Fig.12As shown, S1 is the state of preparing to drill after the preparation work is completed, S2 is the state in which the rotary drum 22 and the pressing sleeve 24 press and hold the leather plate 70, and calibrate and position the female buckle 80, and the hollow drill bit 32 lifts and drills the leather plate 70 to a predetermined thickness, S3 is the state in which the ejector pin 21 pierces the predetermined thickness area, and applies pressure to the rotary drum 22 through the force spring 26 to expand the predetermined area of ​​the leather plate 70, S4 is the state in which the rotary drum 22 presses the female buckle 80 to move through the rotating ring 23, and at the same time the rotary drum 22 presses down the hollow drill bit 32 (at this time the buffer spring 35 is extended and the elastic telescopic rod 58 is contracted) and the rotary drum 22 rubs the inner wall of the drilled shoelace hole until the female buckle 80 is pressed down and the sub-buckle 90 is fixed under appropriate pressure, and then the drive module 31 can be closed.

[0074] The above are only preferred specific implementation modes of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solutions and inventive concepts of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A punching device for a leather upper of a combat boot, comprising a support component (10) and a hole forming component (20) and a hole punching component (30) mounted thereon, and a control component (50) for coordinating the hole forming component (20) and the hole punching component (30) in processing a leather plate (70), and also comprising a female buckle (80) and a sub-buckle (90) placed on both sides of the leather plate (70), characterized in that: The support assembly (10) comprises a housing (11) and a slide frame (12) sliding vertically thereon, and a locking assembly (40) for locking the height of the slide frame (12) is mounted on the housing (11); The punching assembly (30) comprises a hollow drill bit (32) and a lifting frame (33) rotatably connected to the side wall thereof, and a driving module (31) for driving the hollow drill bit (32) to rotate. The hole forming assembly (20) comprises a rotating cylinder (22), a thimble (21) that slides through the rotating cylinder (22) and applies elastic pressure thereto, and a pressing sleeve (24) that is slidably disposed on the rotating cylinder (22) and positions the female buckle (80). The control assembly (50) comprises a control rod (51) installed in the housing (11) via a pin shaft, two swing arms (55) coaxially fixed at the bottom ends thereof, and a first push plate (52) and a second push plate (53) symmetrically sliding on both sides of the swing arm (55), and also comprises a pressing plate (57) provided together at the bottom of the first push plate (52) and the slide frame (12), and an elastic telescopic rod (58) provided together at one side of the second push plate (53) and the lifting frame (33); The hole forming assembly (20) further comprises a force spring (26) rotatably connected to the top end of the rotating cylinder (22); the top end of the force spring (26) is fixedly connected to the top end of the ejector pin (21); a rotating ring (23) is rotatably provided on the surface of the rotating cylinder (22); the rotating ring (23) slides on the inner wall of the pressing sleeve (24); a holding tension spring (25) is fixedly provided on the inner wall of the pressing sleeve (24) and the rotating ring (23); the bottom of the pressing sleeve (24) is arranged in an inclined opening shape; and a grinding ring (27) is fixedly connected to the bottom end of the rotating cylinder (22).

2. The punching device for leather uppers of combat boots according to claim 1, characterized in that: The support assembly (10) further comprises two guide rails (13) fixed on one side of the slide (12), and two slides (14) fixed on the housing (11) and slidingly cooperating with the guide rails (13); a locking point (16) for cooperating with the locking assembly (40) is provided on one side of the slide (12); two return springs (15) are fixed between the slide (12) and the housing (11); and a plurality of elastic pressing plates (17) for auxiliary clamping of the leather plate (70) are provided on the upper surface of the housing (11).

3. The punching device for leather uppers of combat boots according to claim 2, characterized in that: The housing (11) comprises a panel (111) and a supporting rib (114) and a side panel (115) fixed on the panel (111); a mounting groove (112) for placing a sub-button (90) is provided on the surface of the panel (111); a through hole (113) for a hollow drill bit (32) to pass through is provided in the mounting groove (112); and the slide (12) penetrates and slides on the surface of the panel (111).

4. The punching device for leather uppers of combat boots according to claim 3, characterized in that: The punching assembly (30) further comprises a sliding rod (34) fixed to the lower surface of the panel (111); the surface of the sliding rod (34) penetrates and slides on the surface of the lifting frame (33); the surface of the lifting frame (33) is fixedly connected to a buffer spring (35); the other end of the buffer spring (35) is fixed to the lower surface of the panel (111).

5. The punching device for leather uppers of combat boots according to claim 3, characterized in that: The driving module (31) comprises a motor frame (311) fixed to the lower surface of the panel (111), a driver (312) being mounted on the motor frame (311), a driving gear (313) being fixed to the output shaft of the driver (312), a driven gear (314) being meshed with the surface of the driving gear (313) and being fixed to the side wall of the hollow drill bit (32), and both the driving gear (313) and the driven gear (314) being linear gears.

6. The punching device for leather uppers of combat boots according to claim 1, characterized in that: The housing (11) further comprises a waste box (116), wherein the waste box (116) is located below the hollow drill bit (32).

7. The punching device for leather uppers of combat boots according to claim 6, characterized in that: The control assembly (50) further comprises a pressure wheel (56) rotatably connected to the bottom end of the swing arm (55); both ends of the first push plate (52) and the second push plate (53) are provided with guide slides (54) for maintaining their horizontal sliding; the guide slides (54) are mounted on the housing; both ends of the elastic telescopic rod (58) are movably connected to the lifting frame (33) and the second push plate (53) via pins, respectively; and both ends of the pressure plate (57) are movably connected to the first push plate (52) and the slide (12) via pins, respectively.

8. The punching device for leather uppers of combat boots according to claim 5, characterized in that: A start / stop button (60) for controlling the power on and off of the driver (312) is provided at the top end of the control rod (51).

9. The punching device for leather uppers of combat boots according to claim 3, characterized in that: The locking assembly (40) includes a sleeve (41) fixed on the side panel (115), the inner wall of the slide (14) is limitedly slidable with a lock core (42) cooperating with the locking point (16), the inner wall of the sleeve (41) is provided with an ejection spring (43) for elastically supporting the lock core (42), and also includes a brake line (44) passing through and fixed on the side panel (115), one end of the brake line (44) is fixed to the lock core (42), and the other end of the brake line (44) is provided with a tensioning handle (45).

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