A punching device for leather shoes production and its production process

Abstract

The present invention belongs to the field of shoe preparation technology, and particularly relates to a punching device for leather shoe production, comprising: a workbench; a first slide rail, two first slide rails are provided, and the two first slide rails are fixed above the workbench through a support plate; a switching device, slidably connected between the two first slide rails; a punching head, slidably connected to the lower end of the switching device; a pressing mechanism, located at the upper end of the workbench; wherein the punching head is tubular, the pressing mechanism comprises an elastic pressing plate and a fixed seat, the fixed seat is slidably connected to the upper end surface of the workbench, the elastic pressing plate is hinged to the fixed seat, a movable plate arranged along the length direction of the workbench is installed on one side of the fixed seat by screws, a ratchet is fixedly installed on the upper end of the movable plate, and a ratchet is provided at the lower end of the switching device for driving the movable plate to move to the right side of the workbench. The beneficial effects of the present invention are: the pressing mechanism cooperates with the punching device to realize efficient punching processing of leather fabrics, and effectively improves the yield rate.

Description

Technical Field

[0001] The invention relates to the technical field of shoe preparation, in particular to a punching device for leather shoe production and a production process thereof. Background Art

[0002] Leather shoes refer to shoes with natural leather uppers and leather or rubber, plastic, PU foam, PVC, etc. as soles, which are processed by sewing, gluing or injection molding. Leather shoes are breathable, moisture-absorbent, and have good hygiene properties. They are the highest-quality shoes among all kinds of shoes and boots. In the production of leather shoes, holes need to be punched in the leather so that the shoelaces can be put on. When punching holes in the leather manually, the punching speed is slow and the holes are uneven, which affects the subsequent use of the leather. Therefore, it is urgent to develop a leather punching equipment for leather shoe production that has a fast punching speed, uniform punching, and does not affect the subsequent use of the leather. Summary of the invention

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a punching device for leather shoe production and a production process thereof to solve the above problems.

[0004] The technical solution of the present invention is implemented as follows: a punching device for leather shoe production, comprising:

[0005] Workbench;

[0006] A first slide rail, wherein two first slide rails are provided, and the two first slide rails are fixed above the workbench through a support plate;

[0007] A switching device, slidably connected between the two first slide rails;

[0008] A punching head, slidably connected to the lower end of the switching device;

[0009] The material pressing mechanism is located at the upper end of the workbench;

[0010] Among them, the punching head is tubular, and the pressing mechanism includes an elastic pressure plate and a fixed seat. The fixed seat is slidably connected to the upper end surface of the workbench, the elastic pressure plate and the fixed seat are hinged, and a movable plate arranged along the length direction of the workbench is installed on one side of the fixed seat by screws. A ratchet is fixedly installed on the upper end of the movable plate, and a ratchet is provided at the lower end of the switching device for driving the movable plate to move to the right side of the workbench. A number of slag discharge holes connected to the external collection box are also provided at the upper end of the workbench.

[0011] Further, the switching device comprises:

[0012] The slide plate is located between the two first slide rails, and the adjacent sides of the two first slide rails are provided with first slide grooves for the two ends of the slide plate to be inserted into;

[0013] A first driving wheel, rotatably connected to the upper end surface of the slide plate;

[0014] A driving motor is fixedly mounted on the lower end surface of the slide plate, and an output shaft of the driving motor passes through the slide plate and is fixedly connected to the first driving wheel;

[0015] A second driving wheel is rotatably connected to the upper end surface of the slide plate and is arranged on the right side of the first driving wheel;

[0016] A third driving wheel, fixedly mounted on the upper end surface of the second driving wheel and coaxial with the second driving wheel;

[0017] Among them, the output shaft of the driving motor is coaxial with the first driving wheel, the first driving wheel and the second driving wheel are connected by a belt drive, an auxiliary mechanism that cooperates with the third driving wheel for transmission is fixedly installed on the support plate, and the ratchet is hinged on the lower end surface of the skateboard, and the ratchet can be folded to the right or rear side.

[0018] Furthermore, the supporting institutions include:

[0019] The transmission plate is arranged vertically, and the transverse cross section of the transmission plate is in a "U" shape. A U-shaped groove for inserting the transmission plate is provided in the middle of the right side of the support plate;

[0020] A plurality of first teeth are embedded on both side walls of the transmission plate along the length direction of the transmission plate;

[0021] Among them, a plurality of gear teeth meshing with the first teeth are integrally formed on half the circumference of the third driving wheel. When the gear teeth mesh with the first teeth on one side of the transmission plate, the first teeth on the other side of the transmission plate are separated from the gear teeth, and the transmission plate and the support plate are fixed by bolts.

[0022] Furthermore, the switching device further comprises:

[0023] An eccentric shaft is fixedly mounted on the upper end surface of the first driving wheel;

[0024] A first push block is located above the first driving wheel, the first push block is in the shape of an elongated strip, and a second slide groove for inserting the eccentric shaft is provided at the upper end of the first push block along the length direction thereof;

[0025] The second slide rail is fixedly mounted on the upper end surface of the slide plate and is located at the front and rear sides of the first driving wheel;

[0026] A first push rod is fixedly mounted on the middle of the left side of the first push block, a second push block is fixedly mounted on one end of the first push rod away from the first push block, and an oblique groove is formed through the rear side of the second push block;

[0027] A slot is provided through the upper end surface of the slide plate and is located below the second push block;

[0028] A vertical plate, which passes through the upper and lower ends of the slide plate through a slot, the vertical plate is slidably connected to the slot, and a limit rod that passes through the oblique slot is fixedly installed on one side outside the upper end of the vertical plate;

[0029] Among them, sliding blocks that slide in cooperation with the second sliding rail are fixedly installed on the front and rear sides of the first push block, and a transmission component for driving the punching head is provided at the lower end of the sliding block, and the transmission component is transmission-connected to the vertical plate.

[0030] Furthermore, the transmission assembly includes:

[0031] A first sleeve is fixedly mounted on the lower end surface of the slide plate;

[0032] A transmission shaft is rotatably connected between the inner side walls of the first sleeve, one end of the transmission shaft passes through the first sleeve and extends outward and is fixedly mounted with a gear;

[0033] A limit shaft is located above the transmission shaft, and both sides of the limit shaft are fixedly mounted on the inner wall of the first sleeve;

[0034] The third push block is provided with two pieces, and the two third push blocks are sleeved on both sides of the transmission shaft, and the two third push blocks are relatively symmetrical;

[0035] The second sleeve is slidably connected in the first sleeve, a spring is fixedly connected between the second sleeve and the lower end surface of the slide plate, the lower end of the second sleeve is funnel-shaped, and the punching head is fixedly connected to the middle part of the lower end of the second sleeve;

[0036] Among them, the outer side of the lower end of the vertical plate is integrally formed with a second tooth that meshes with the gear for transmission, threads are provided on both sides of the transmission shaft, and the threads on both sides of the transmission shaft are symmetrically arranged. The third push block is provided with a threaded hole that matches the thread of the transmission shaft and a through hole for the transmission shaft to pass through. A connecting rod is fixedly installed on the lower end of the third push block, and a roller is rotatably connected to the end of the connecting rod away from the third push block. Guide grooves are provided on both sides of the lower end of the second sleeve, and the lower end of the roller abuts against the bottom of the guide groove.

[0037] Furthermore, the switching device further comprises:

[0038] The cylinder is fixedly mounted on the upper end surface of the slide plate;

[0039] A first piston is slidably connected in the cylinder;

[0040] A second push rod is fixedly installed on the right side of the first push block, and one end of the second push rod extends into the cylinder and is fixedly connected to the first piston;

[0041] A second piston is slidably connected in the coring head;

[0042] The output end of the cylinder is connected with an air intake pipe, and one end of the air intake pipe passes through the first sleeve and is fixedly connected with the upper end of the coring head.

[0043] Furthermore, a cleaning assembly is installed outside the second sleeve, and the cleaning assembly includes:

[0044] A first tube body is welded to the lower right side of the second sleeve, and the first tube body is vertically arranged;

[0045] The second tube body is integrally formed at the middle part of the outer side of the first tube body, and the second tube body is integrally formed with a first threaded connector away from the first tube body;

[0046] The first metal hose is connected to the threaded connector of the second pipe body through threads;

[0047] An infrared distance sensor is fixedly mounted on the outer side wall of the first tube;

[0048] Among them, the output end of the first metal hose is arranged toward the punching head, the interior of the first tube body is connected with the interior of the second tube body, and a second threaded connector connected with the interior of the first tube body is integrally formed on one side outside the upper end of the first tube body, and the second threaded connector is connected with an external air pump through the second metal hose, the infrared distance sensor and the external air pump are electrically connected with the external PLC controller, and when the punching head penetrates the fabric, one of the slag discharge holes is located directly below the punching head, and the other slag discharge hole is located directly below the first tube body.

[0049] A production process of a punching device for leather shoe production comprises the following steps:

[0050] Step 1: The warehouse selects the leather fabrics and soles to be processed;

[0051] Step 2: Use a special template to cut out a single piece of shoe fabric;

[0052] Step 3, manually fix the cut fabric on the punching station of the punching device;

[0053] Step 4: Start the punching device, and drive the pressing mechanism to push the fabric to punch holes in sequence;

[0054] Step 5: Assemble and sew the punched fabrics according to the drawing and then put them on the last;

[0055] Step 6: Apply glue to the bottom, polish, oil, package and ship out.

[0056] The beneficial effects of the present invention are:

[0057] 1. Uniform punching, easy operation and high yield rate;

[0058] 2. The residues produced by drilling can be better collected and processed while drilling; BRIEF DESCRIPTION OF THE DRAWINGS

[0059] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0060] Figure 1 It is a cross-sectional view of a punching device according to a specific embodiment of the present invention;

[0061] Figure 2 It is a schematic diagram of the structure of a switching device according to a specific embodiment of the present invention. DETAILED DESCRIPTION

[0062] 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 in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention. In the description of this application, it should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and devices known to ordinary technicians in the relevant fields may not be discussed in detail, but in appropriate cases, the techniques, methods and devices should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0063] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0064] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0065] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0066] Embodiment 1:

[0067] like Figure 1 to Figure 2 As shown, the present invention discloses a punching device for leather shoe production, comprising:

[0068] Workbench 1;

[0069] A first slide rail 2, wherein two first slide rails 2 are provided, and the two first slide rails 2 are fixed above the workbench 1 through a support plate 3;

[0070] A switching device, slidably connected between the two first slide rails 2;

[0071] The punching head 4 is slidably connected to the lower end of the switching device;

[0072] The material pressing mechanism is located at the upper end of the workbench 1;

[0073] Among them, the punching head 4 is tubular, and the pressing mechanism includes an elastic pressure plate and a fixed seat. The fixed seat is slidably connected to the upper end surface of the workbench 1, the elastic pressure plate and the fixed seat are hinged, and a movable plate arranged along the length direction of the workbench 4 is installed on one side of the fixed seat by screws. A ratchet is fixedly installed on the upper end of the movable plate, and a ratchet is provided at the lower end of the switching device for driving the movable plate to move to the right side of the workbench 1. A plurality of slag discharge holes connected to an external collection box are also provided at the upper end of the workbench 1.

[0074] By adopting the above technical solution, the switching device can drive the punching head to move left and right while performing telescopic punching, without the need for manual punching operations. After the punching is completed, the leather remaining in the punching head is also pushed into the slag discharge hole and falls into the collection box for collection, thereby achieving good use effect.

[0075] Embodiment 2:

[0076] This embodiment provides a punching device for leather shoe production, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0077] The switching device comprises:

[0078] The slide plate 5 is located between the two first slide rails 2. The adjacent sides of the two first slide rails 2 are provided with first slide grooves 6 for the two ends of the slide plate 5 to be inserted into.

[0079] A first driving wheel 7, rotatably connected to the upper end surface of the slide plate 5;

[0080] A driving motor 8 is fixedly mounted on the lower end surface of the slide plate 5, and an output shaft of the driving motor 8 passes through the slide plate 5 and is fixedly connected to the first driving wheel 7;

[0081] The second driving wheel 9 is rotatably connected to the upper end surface of the slide plate 5 and is arranged on the right side of the first driving wheel 7;

[0082] The third driving wheel 10 is fixedly mounted on the upper end surface of the second driving wheel 9 and is coaxial with the second driving wheel 9;

[0083] Among them, the output shaft of the driving motor 8 is coaxial with the first driving wheel 7, the first driving wheel 7 and the second driving wheel 9 are connected by belt transmission, and an auxiliary mechanism that cooperates with the third driving wheel 10 for transmission is fixedly installed on the support plate 3, and the ratchet is hinged on the lower end surface of the skateboard 5, and the ratchet can be folded to the right or rear side.

[0084] By adopting the above technical solution, the driving motor drives the slide plate to move back and forth left and right through the first driving wheel, the second driving wheel and the third driving wheel in cooperation with the auxiliary mechanism. Every time a hole is punched, the switching device drives the punching head to retract, and at the same time, through the cooperation of the pawl and the ratchet, drives the moving plate to move, so that the moving plate drives the fixed seat to push the fabric to perform interval punching. Since the displacement of the slide plate is fixed, it can effectively achieve uniform punching of the leather fabric, thereby improving the yield rate.

[0085] Embodiment 3:

[0086] This embodiment provides a punching device for leather shoe production, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0087] Supporting agencies include:

[0088] The transmission plate 11 is arranged vertically, and the transverse cross section of the transmission plate 11 is "U"-shaped. A U-shaped groove for inserting the transmission plate 11 is provided in the middle of the right side of the support plate 3;

[0089] A plurality of first teeth 12 are embedded on both side walls of the transmission plate 11 along the length direction of the transmission plate 11;

[0090] Among them, a plurality of gear teeth 13 meshing with the first gear teeth 12 are integrally formed on the half circumference of the third driving wheel 10. When the gear teeth 13 mesh with the first gear teeth 12 on one side of the transmission plate 11, the first gear teeth 12 on the other side of the transmission plate 11 are separated from the gear teeth 13, and the transmission plate 11 and the support plate 3 are fixed by bolts.

[0091] By adopting the above technical solution, when the driving motor continues to rotate forward, the third driving wheel rotates clockwise synchronously, and when the gear teeth on the third driving wheel separate from the front teeth on the transmission plate, the skateboard is located at the far right, and the gear teeth on the third driving wheel begin to mesh with the rear teeth on the transmission plate. The skateboard is moved to the left through the force and the punching head is driven downward to punch holes in the leather. After the punching is completed, the gear teeth on the third driving wheel separate from the front teeth on the transmission plate and the rear teeth on the transmission plate at the same time. At this time, the punching head retracts and the skateboard shifts to the right, ready to punch the next hole and the driving motor does not need to switch the rotation direction.

[0092] Embodiment 4:

[0093] This embodiment provides a punching device for leather shoe production, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0094] The switching device also includes:

[0095] The eccentric shaft 14 is fixedly mounted on the upper end surface of the first driving wheel 7;

[0096] The first push block 15 is located above the first driving wheel 7. The first push block 15 is in the shape of an elongated strip. A second slide groove 16 for inserting the eccentric shaft 14 is provided at the upper end of the first push block 15 along the length direction thereof.

[0097] The second slide rail 17 is fixedly mounted on the upper end surface of the slide plate 5 and is located at the front and rear sides of the first driving wheel 7;

[0098] A first push rod 19 is fixedly mounted on the middle of the left side of the first push block 15. A second push block 20 is fixedly mounted on one end of the first push rod 19 away from the first push block 15. An oblique groove is formed through the rear side of the second push block 20.

[0099] A slot 21 is formed through the upper end surface of the slide plate 5 and is located below the second push block 20;

[0100] A vertical plate 22, which passes through the upper and lower ends of the slide plate 5 through the slot 21, and the vertical plate 22 is slidably connected to the slot 21, and a limiting rod 23 that passes through the oblique slot is fixedly installed on one side outside the upper end of the vertical plate 22;

[0101] Among them, the first push block 15 is fixedly installed with sliders 18 that slide with the second slide rail 17 on both sides of the front and rear. The lower end of the slide plate 5 is provided with a transmission component for driving the punching head 4, and the transmission component is connected to the vertical plate 22 in a transmission manner.

[0102] By adopting the above technical solution, when the eccentric shaft is located on the left side of the upper end of the first driving wheel, the gear teeth on the third driving wheel begin to mesh with the gear teeth on the rear side of the transmission plate, the vertical plate is at the lowest position, and then the vertical plate moves upward with the movement of the first push block to drive the transmission assembly to extend the punching head downward to punch holes. When the eccentric shaft is located on the leftmost side of the upper end of the first driving wheel, the punching head is in a state of penetrating the leather fabric. Then, the gear teeth on the third driving wheel begin to mesh with the gear teeth on the front side of the transmission plate, the vertical plate rises and drives the punching head to rise through the transmission assembly.

[0103] Embodiment 5:

[0104] This embodiment provides a punching device for leather shoe production, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0105] The transmission components include:

[0106] The first sleeve 24 is fixedly mounted on the lower end surface of the slide plate 5;

[0107] The transmission shaft 25 is rotatably connected between the inner side walls of the first sleeve 24. One end of the transmission shaft 25 passes through the first sleeve 24 and extends outwards and is fixedly mounted with a gear 26.

[0108] The limiting shaft is located above the transmission shaft 25, and both sides of the limiting shaft are fixedly mounted on the inner wall of the first sleeve 24;

[0109] A third push block 27, wherein two third push blocks 27 are provided, and the two third push blocks 27 are sleeved on both sides of the transmission shaft 25, and the two third push blocks 27 are relatively symmetrical;

[0110] The second sleeve 28 is slidably connected in the first sleeve 24. A spring is fixedly connected between the second sleeve 28 and the lower end surface of the slide plate 5. The lower end of the second sleeve 28 is funnel-shaped. The punching head 4 is fixedly connected to the middle part of the lower end of the second sleeve 28.

[0111] Among them, the outer side of the lower end of the vertical plate 22 is integrally formed with a second tooth that meshes with the gear 26 for transmission, threads are provided on both sides of the transmission shaft 25, and the threads on both sides of the transmission shaft 25 are symmetrically arranged. The third push block 27 is provided with a threaded hole that matches the thread of the transmission shaft 25 and a through hole for the transmission shaft 25 to pass through. A connecting rod is fixedly installed on the lower end of the third push block 27, and a roller is rotatably connected to the end of the connecting rod away from the third push block 27. Guide grooves are provided on both sides of the lower end of the second sleeve 28, and the lower end of the roller abuts against the bottom of the guide groove.

[0112] By adopting the above technical solution, when the vertical plate moves downward, the vertical plate cooperates with the gear through the second teeth to make the transmission shaft rotate clockwise. At this time, the third push block cooperates with the thread on the transmission shaft, and the two third push blocks are synchronously shifted to the middle respectively, and then the second sleeve drives the extended punching head to retract through the connecting rod and the roller in cooperation with the spring. When the vertical plate moves upward, it drives the transmission shaft to rotate counterclockwise. At this time, the two third push blocks are synchronously shifted to both sides, pushing the second sleeve to make the punching head extend out to punch holes, and the setting of the guide groove roller and the second sleeve cooperate more stably.

[0113] Embodiment 6:

[0114] This embodiment provides a punching device for leather shoe production, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0115] The switching device also includes:

[0116] The cylinder 29 is fixedly mounted on the upper end surface of the slide plate 5;

[0117] A first piston is slidably connected in the cylinder 29;

[0118] A second push rod 30 is fixedly mounted on the right side of the first push block 15, and one end of the second push rod 30 extends into the cylinder 29 and is fixedly connected to the first piston;

[0119] A second piston is slidably connected in the punching head 4;

[0120] The output end of the cylinder 29 is connected with an air intake pipe, and one end of the air intake pipe passes through the first sleeve 24 and is fixedly connected to the upper end of the punching head 4 .

[0121] By adopting the above technical solution, when the first push block moves to the left, the second push rod pushes the first piston to drive the second piston in the punching head to move downward, so that the leather remaining at the end of the punching head is quickly pushed out and removed, and the use effect is good.

[0122] Embodiment 7:

[0123] This embodiment provides a punching device for leather shoe production, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0124] A cleaning assembly is also installed outside the second sleeve 28, and the cleaning assembly includes:

[0125] The first tube body 30 is welded to the lower right side of the second sleeve 28, and the first tube body 30 is vertically arranged;

[0126] The second tube body 31 is integrally formed at the middle portion of the outer side of the first tube body 30 , and the second tube body 31 is integrally formed with a first threaded connector away from the first tube body 30 ;

[0127] The first metal hose 32 is connected to the threaded connector of the second tube body 31 through threads;

[0128] An infrared distance sensor is fixedly mounted on the outer wall of the first tube body 30;

[0129] Among them, the output end of the first metal hose 32 is arranged toward the punching head 4, the interior of the first tube body 30 is connected with the interior of the second tube body 31, and a second threaded connector connected with the interior of the first tube body 30 is integrally formed on the outer side of the upper end of the first tube body 30, and the second threaded connector is connected with the external air pump through the second metal hose 33. The infrared distance sensor and the external air pump are electrically connected with the external PLC controller. When the punching head 4 penetrates the fabric, one of the slag discharge holes is located directly below the punching head 4, and the other slag discharge hole is located directly below the first tube body 30.

[0130] By adopting the above technical scheme, the distance between the first tube body and the punching head is equal to the displacement of one movement of the slide plate. Through the setting of the cleaning device, when the punching head extends out to punch a hole, the infrared distance sensor senses the change in distance and feeds back to the controller. The controller controls the external air pump to start, and gas is introduced into the first tube body through the second metal hose to generate negative pressure in the second tube body, so that the air in the mouth area of ​​the first metal hose is sucked into the first tube body. Since the mouth of the first metal hose is facing the punching head, some fine residues generated by punching can be extracted and then sprayed from the first tube body to the slag discharge hole. When the first tube body sprays gas, it can also blow and clean the inner wall of the opened hole below, and the use effect is good.

[0131] Embodiment 8:

[0132] This embodiment provides a punching device for leather shoe production, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0133] A production process of a punching device for leather shoe production comprises the following steps:

[0134] Step 1: The warehouse selects the leather fabrics and soles to be processed;

[0135] Step 2: Use a special template to cut out a single piece of shoe fabric;

[0136] Step 3, manually fix the cut fabric on the punching station of the punching device;

[0137] Step 4: Start the punching device, and drive the pressing mechanism to push the fabric to punch holes in sequence;

[0138] Step 5: Assemble and sew the punched fabrics according to the drawing and then put them on the last;

[0139] Step 6: Apply glue to the bottom, polish, oil, package and ship out.

[0140] By adopting the above technical solution, the pressing mechanism cooperates with the punching device to realize efficient and accurate punching processing of leather fabrics, which effectively improves the yield rate.

[0141] In addition, all technologies not mentioned in the present invention are prior arts.

[0142] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A punching device for leather shoe production, It is characterized in that include: Workbench (1); A first slide rail (2), wherein two first slide rails (2) are provided, and the two first slide rails (2) are fixed above the workbench (1) via a support plate (3); A switching device, slidably connected between the two first slide rails (2); A punching head (4) is slidably connected to the lower end of the switching device; A material pressing mechanism, located at the upper end of the workbench (1); The punching head (4) is tubular, and the material pressing mechanism comprises an elastic pressure plate and a fixed seat, the fixed seat is slidably connected to the upper end surface of the workbench (1), the elastic pressure plate and the fixed seat are hinged, a movable plate arranged along the length direction of the workbench (4) is installed on one side of the fixed seat by screws, a ratchet is fixedly installed on the upper end of the movable plate, and a ratchet is provided at the lower end of the switching device for driving the movable plate to move to the right side of the workbench (1), and a plurality of slag discharge holes connected to an external collection box are also provided at the upper end of the workbench (1); The switching device comprises: The slide plate (5) is located between the two first slide rails (2), and the adjacent sides of the two first slide rails (2) are provided with first slide grooves (6) for the two ends of the slide plate (5) to be inserted into; A first driving wheel (7) is rotatably connected to the upper end surface of the slide plate (5); A driving motor (8) is fixedly mounted on the lower end surface of the slide plate (5), and an output shaft of the driving motor (8) passes through the slide plate (5) and is fixedly connected to the first driving wheel (7); A second driving wheel (9) is rotatably connected to the upper end surface of the slide plate (5) and is arranged on the right side of the first driving wheel (7); A third driving wheel (10) is fixedly mounted on the upper end surface of the second driving wheel (9) and is coaxial with the second driving wheel (9); The output shaft of the driving motor (8) is coaxial with the first driving wheel (7), the first driving wheel (7) and the second driving wheel (9) are connected via a belt transmission, an auxiliary mechanism for cooperating with the third driving wheel (10) for transmission is fixedly mounted on the support plate (3), a ratchet is hinged on the lower end surface of the slide plate (5), and the ratchet can be folded to the right or rear side; Supporting agencies include: The transmission plate (11) is arranged vertically, and the transverse cross section of the transmission plate (11) is in a "U" shape. A U-shaped groove for inserting the transmission plate (11) is provided in the middle of the right side of the support plate (3); A plurality of first teeth (12) are embedded on two side walls of the transmission plate (11) along the length direction of the transmission plate (11); A plurality of gear teeth (13) meshing with the first gear teeth (12) are integrally formed on a half circumference of the third driving wheel (10); when the gear teeth (13) mesh with the first gear teeth (12) on one side of the transmission plate (11), the first gear teeth (12) on the other side of the transmission plate (11) are separated from the gear teeth (13); and the transmission plate (11) and the support plate (3) are fixed by bolt connection; The switching device also includes: An eccentric shaft (14) is fixedly mounted on the upper end surface of the first driving wheel (7); A first push block (15) is located above the first driving wheel (7). The first push block (15) is in the shape of an elongated strip. A second slide groove (16) for inserting the eccentric shaft (14) is provided at the upper end of the first push block (15) along the length direction thereof. A second slide rail (17) is fixedly mounted on the upper end surface of the slide plate (5) and is located at the front and rear sides of the first drive wheel (7); A first push rod (19) is fixedly mounted on the middle portion of the left side of the first push block (15); a second push block (20) is fixedly mounted on one end of the first push rod (19) away from the first push block (15); and an oblique groove is formed through the rear side of the second push block (20); A slot (21), the slot (21) is formed through the upper end surface of the slide plate (5) and is located below the second push block (20); A vertical plate (22), the vertical plate (22) passes through the upper and lower ends of the slide plate (5) through the slot (21), the vertical plate (22) is slidably connected to the slot (21), and a limiting rod (23) is fixedly installed on one side of the upper end of the vertical plate (22) and passes through the oblique slot; Wherein, sliding blocks (18) are fixedly installed on the front and rear sides of the first push block (15) and slide in cooperation with the second slide rail (17); a transmission assembly for driving the punching head (4) is provided at the lower end of the slide plate (5); and the transmission assembly is in transmission connection with the vertical plate (22); The transmission components include: A first sleeve (24) is fixedly mounted on the lower end surface of the slide plate (5); A transmission shaft (25) is rotatably connected between two side walls of the first sleeve (24); one end of the transmission shaft (25) penetrates through the first sleeve (24) and extends outwardly and is fixedly mounted with a gear (26); A limit shaft is located above the transmission shaft (25), and two sides of the limit shaft are fixedly mounted on the inner wall of the first sleeve (24); A third push block (27), wherein two third push blocks (27) are provided, and the two third push blocks (27) are sleeved on both sides of the transmission shaft (25), and the two third push blocks (27) are relatively symmetrical; A second sleeve (28) is slidably connected in the first sleeve (24), a spring is fixedly connected between the second sleeve (28) and the lower end surface of the slide plate (5), the lower end of the second sleeve (28) is funnel-shaped, and the punching head (4) is fixedly connected to the middle part of the lower end of the second sleeve (28); The lower end of the vertical plate (22) is integrally formed with a second tooth meshing with the gear (26) for transmission, the transmission shaft (25) is provided with threads on both sides, and the threads on both sides of the transmission shaft (25) are symmetrically arranged, the third push block (27) is provided with a threaded hole matched with the thread of the transmission shaft (25) and a through hole for the transmission shaft (25) to pass through, the lower end of the third push block (27) is fixedly mounted with a connecting rod, one end of the connecting rod away from the third push block (27) is rotatably connected with a roller, and the lower end of the second sleeve (28) is provided with guide grooves on both sides of the lower end, and the lower end of the roller abuts against the bottom of the guide groove; The switching device also includes: The cylinder (29) is fixedly mounted on the upper end surface of the slide plate (5); A first piston is slidably connected in the cylinder (29); A second push rod (30) is fixedly mounted on the right side of the first push block (15), and one end of the second push rod (30) extends into the cylinder (29) and is fixedly connected to the first piston; A second piston is slidably connected to the perforating head (4); The output end of the cylinder (29) is connected to an air intake pipe, one end of which passes through the first sleeve (24) and is fixedly connected to the upper end of the perforating head (4); A cleaning assembly is also installed outside the second sleeve (28), and the cleaning assembly includes: A first tube body (30) is welded to the lower right side of the second sleeve (28), and the first tube body (30) is arranged vertically; The second tube body (31) is integrally formed at the middle portion of the outer side of the first tube body (30), and the second tube body (31) is integrally formed with a first threaded connector away from the first tube body (30); The first metal hose (32) is connected to the threaded connection head of the second tube body (31) through threads; An infrared distance sensor, fixedly mounted on the outer wall of the first tube (30); The output end of the first metal hose (32) is arranged toward the punching head (4), the interior of the first tube body (30) is connected to the interior of the second tube body (31), a second threaded connector connected to the interior of the first tube body (30) is integrally formed on one side of the upper end of the first tube body (30), the second threaded connector is connected to an external air pump through a second metal hose (33), the infrared distance sensor and the external air pump are electrically connected to an external PLC controller, and when the punching head (4) penetrates the fabric, one of the slag discharge holes is located directly below the punching head (4), and the other slag discharge hole is located directly below the first tube body (30).

2. A production process of the punching device for leather shoe production as claimed in claim 1, It is characterized in that The steps include: Step 1: The warehouse selects the leather fabrics and soles to be processed; Step 2: Use a special template to cut out a single piece of shoe fabric; Step 3, manually fix the cut fabric on the punching station of the punching device; Step 4: Start the punching device, and drive the pressing mechanism to push the fabric to punch holes in sequence; Step 5: Assemble and sew the punched fabrics according to the drawing and then put them on the last; Step 6: Apply glue to the bottom, polish, oil, package and ship out.

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