Perforating device for leather bag production

Abstract

The utility model discloses a punching device for leather bag production, and relates to the technical field of leather bag production, the punching device comprises a workbench, the top of the workbench is provided with a punching mechanism, the top of the workbench is provided with a flattening clamping mechanism used for keeping the flatness of leather during clamping, the flattening clamping mechanism comprises a flattening assembly, a punching assembly and a clamping assembly, the device is arranged at the top of a workbench and comprises a mounting frame fixedly mounted at the top of the workbench, an air cylinder is fixedly mounted at the top of the mounting frame, a connecting block is fixedly mounted at the bottom end of an output shaft of the air cylinder, and a first connecting rod and a second connecting rod are mounted in the connecting block in a hinged mode; and the clamping assembly is arranged at the top of the workbench and used for clamping the leather, an air cylinder operates to drive a connecting block to descend, a first rolling wheel and a second rolling wheel make contact with the leather, and a first connecting rod and a second connecting rod reversely rotate with a first gear and a second gear as the axis at the same time, so that flattening treatment on the surface of the leather is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a leather bag production technology field, specifically is a kind of punching device for leather bag production. BACKGROUND

[0002] Leather goods are made of leather furniture or leather tools, such as leather sofa, leather chair, leather bed, leather bag, leather whip, leather gloves and other leather products. Broadly speaking, leather goods also include leather clothing, leather shoes and other leather products. Among them, leather goods also include many, such as: this book, universal manual, manager bag, briefcase, luggage, wallet, key bag and other leather goods.

[0003] According to the search, the publication (announcement) number: CN213447175U discloses a precise punching device for leather bag cloth production, which comprises a punching device main body, a first limiting mechanism and a second limiting mechanism, the top of the punching device main body is provided with the first limiting mechanism, the first limiting mechanism comprises a main limiting plate main body, a first limiting screw, a main limiting plate, a first threaded hole and an auxiliary soft pad, the main limiting plate main body is fixedly installed on the top of the punching device main body, and the main limiting plate is fixedly installed on the top of the two main limiting plate main bodies through the adjusting assembly, the bottom of the main limiting plate is fixedly installed with the auxiliary soft pad, the existing technology is usually manually pressed and fixed by the user, which causes great safety hazards to the user, and the utility model is installed with the first limiting mechanism on the punching device main body, so that the leather goods can be fixed and adapted to leather goods of different lengths and thicknesses, thereby bringing great convenience to the user.

[0004] However, based on the above-mentioned prior art, the existing punching device for leather bag production still has the following problems: when the existing punching device for leather bag production is used for clamping and punching leather, improper operation during clamping often causes wrinkles on the leather, which not only affects the accuracy of punching, but also may damage the leather. Therefore, the utility model provides a punching device for leather bag production. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a punching device for leather bag production, which solves the problems of the existing punching device for leather bag production, that is, when the existing punching device for leather bag production is used for clamping and punching leather, improper operation during clamping often causes wrinkles on the leather, which not only affects the accuracy of punching, but also may damage the leather.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a punching device for leather bag production, comprising a workbench, a punching mechanism is arranged on the top of the workbench, a flat clamping mechanism is arranged on the top of the workbench for keeping the leather flat during clamping, and the flat clamping mechanism comprises

[0007] The leveling assembly is arranged on the top of the workbench and comprises a mounting frame fixedly arranged on the top of the workbench, a cylinder fixedly arranged on the top of the mounting frame, a connecting block fixedly arranged on the bottom end of the output shaft of the cylinder, a first connecting rod and a second connecting rod hingedly arranged in the connecting block, a first roller rotatably arranged on the lower side of the first connecting rod, and a second roller rotatably arranged on the lower side of the second connecting rod.

[0008] The clamping assembly is arranged on the top of the workbench and is used for clamping the leather.

[0009] Preferably, the leveling assembly further comprises a first gear fixedly arranged in the top end of the first connecting rod, and a second gear fixedly arranged in the top end of the second connecting rod.

[0010] Preferably, the clamping assembly comprises a fixing rod fixedly arranged on the outer ring of the output shaft of the cylinder, sliding columns arranged on the two ends of the fixing rod, a stop block fixedly arranged on the outer ring of the sliding column, a compression spring arranged on the outer ring of the sliding column, and a pressing frame fixedly arranged on the bottom end of the sliding column.

[0011] Preferably, a tension spring is fixedly arranged between the first connecting rod and the second connecting rod.

[0012] Preferably, the second gear is meshingly arranged with the first gear.

[0013] Preferably, the compression spring is arranged between the stop block and the fixing rod.

[0014] The utility model provides a kind of punching device for leather bag production. Compared with prior art, the following

[0015] Beneficial effects:

[0016] (1), the punching device for leather bag production, cylinder operation drives connecting block to descend, first roller and second roller contact with leather, first connecting rod and second connecting rod simultaneously reverse rotation with first gear and second gear as pivot, to realize the surface of leather is leveled.

[0017] (2), the punching device for leather bag production, first connecting rod and second connecting rod are connected by tension spring, so that first connecting rod and second connecting rod have the force of opposite rotation, so that there is a downward clamping force on leather when leveling, to prevent leather from deviating during leveling. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is right view solid structure diagram of the utility model;

[0019] Figure 2The utility model discloses a flat clamping mechanism three-dimensional structure diagram.

[0020] Figure 3 The utility model discloses a flat assembly three-dimensional structure diagram.

[0021] Figure 4 The utility model discloses a clamping assembly three-dimensional structure diagram.

[0022] In the drawing: 1 - workbench, 2 - flat clamping mechanism, 21 - flat assembly, 211 - mounting bracket, 212 - pneumatic cylinder, 213 - connecting block, 214 - first connecting rod, 215 - first gear, 216 - first roller, 217 - tension spring, 218 - second connecting rod, 219 - second gear, 2110 - second roller, 22 - clamping assembly, 221 - fixed rod, 222 - sliding column, 223 - compression spring, 224 - stopper, 225 - pressing frame, 3 - punching mechanism. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a kind of technical scheme:

[0025] A punching device for leather bag production, including workbench 1, the top of workbench 1 is provided with punching mechanism 3, the top of workbench 1 is provided with flat clamping mechanism 2 for keeping flatness when clamping leather, including in flat clamping mechanism 2:

[0026] Flat assembly 21, setting in the top of workbench 1, including fixedly installed mounting bracket 211 in the top of workbench 1, the top of mounting bracket 211 is fixedly installed with pneumatic cylinder 212, the output shaft bottom end of pneumatic cylinder 212 is fixedly installed with connecting block 213, the inside of connecting block 213 is hingedly installed with first connecting rod 214 and second connecting rod 218, the lower side of one side of first connecting rod 214 is rotatably installed with first roller 216, the lower side of one side of second connecting rod 218 is rotatably installed with second roller 2110;

[0027] Clamping assembly 22, setting in the top of workbench 1, and being used for clamping leather.

[0028] In this embodiment, the flattening assembly 21 further comprises a first gear 215 fixedly installed at the top end of the first connecting rod 214, and the top end of the second connecting rod 218 is fixedly installed with a second gear 219.

[0029] The cylinder 212 is of the model DSNU-20-50-PPV-A, is electrically connected with an external power supply, and is controlled to be turned on or off by a person through a control panel.

[0030] The cylinder 212 is operated to drive the connecting block 213 to descend, the first roller 216 and the second roller 2110 are in contact with the leather, and the first connecting rod 214 and the second connecting rod 218 are simultaneously reversely rotated with the first gear 215 and the second gear 219 as the axis, so that the surface of the leather is flattened.

[0031] The first connecting rod 214 and the second connecting rod 218 are connected through the tension spring 217, so that the first connecting rod 214 and the second connecting rod 218 have a force of opposite rotation, so that there is a downward clamping force on the leather during the flattening of the leather, preventing the leather from deviating during the flattening process.

[0032] The punching mechanism 3 is operated to move the puncher to the position where the punching is needed through the three-axis movement mechanism.

[0033] In this embodiment, the clamping assembly 22 comprises a fixed rod 221 fixedly installed at the outer circle of the output shaft of the cylinder 212, both ends of the fixed rod 221 are penetrated and installed with sliding columns 222, the outer circle of the sliding column 222 is fixedly installed with a stop block 224, the outer circle of the sliding column 222 is sleeved with a compression spring 223, and the bottom end of the sliding column 222 is fixedly installed with a pressing frame 225.

[0034] The clamping assembly 22 is driven by the output shaft of the cylinder 212 to move up and down, so that the pressing frame 225 clamps the leather, and the stop block 224 pushes the stop block 224 and the sliding column 222 to drive the pressing frame 225 to clamp the leather by the elastic force of the stop block 224, and the two sliding columns 222 slide up and down in the inner two ends of the fixed rod 221, and the top of the sliding column 222 is fixedly installed with a limiting disc for limiting the movement of the sliding column 222.

[0035] In this embodiment, the first connecting rod 214 and the second connecting rod 218 are fixedly installed with a tension spring 217.

[0036] The compression spring 223 is installed between the stop block 224 and the fixed rod 221, so that the tension spring 217 is reset by the elastic force of the tension spring 217 to drive the first connecting rod 214 and the second connecting rod 218 to rotate towards each other.

[0037] In this embodiment, the second gear 219 is meshingly installed with the first gear 215.

[0038] The second gear 219 is engaged with the first gear 215, so that the first connecting rod 214 and the second connecting rod 218 are synchronously moved through the engagement of the first gear 215 and the second gear 219.

[0039] In this embodiment, the compression spring 223 is installed between the stop block 224 and the fixed rod 221.

[0040] The compression spring 223 is installed between the stop block 224 and the fixed rod 221, so that the stop block 224 pushes the stop block 224 and the sliding column 222 through the elastic force of the stop block 224 to drive the pressing frame 225 to press and clamp the leather.

[0041] Meanwhile, the contents not described in detail in this specification all belong to the prior art known to those skilled in the art.

[0042] In operation, first, the user connects the device to an external power source, the cylinder 212 operates to lower the output shaft to lower the connecting block 213, the first roller 216 and the second roller 2110 contact the leather, the first connecting rod 214 and the second connecting rod 218 simultaneously rotate in opposite directions with the first gear 215 and the second gear 219 as the center, and the first connecting rod 214 and the second connecting rod 218 are synchronously moved through the engagement of the first gear 215 and the second gear 219, to perform the leveling treatment on the surface of the leather, at the same time, the pressing frame 225 contacts the leather, the stop block 224 pushes the stop block 224 and the sliding column 222 through the elastic force of the stop block 224 to drive the pressing frame 225 to press and clamp the leather, at this time, the punching mechanism 3 operates to move the punch to the position where the punching is needed through the three-axis movement mechanism to punch;

[0043] Then, when taking the leather, the cylinder 212 operates to raise the output shaft to raise the connecting block 213, at this time, the extension spring 217 pulls the first connecting rod 214 and the second connecting rod 218 to rotate towards each other through the elastic force of the extension spring 217 to reset, the first roller 216 and the second roller 2110 are separated from the surface of the leather, at the same time, the pressing frame 225 is separated from the leather when the pressing frame 225 is moved synchronously with the output shaft of the cylinder 212, and the taking is completed.

[0044] It should be noted that, in this document, the relationship terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0045] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A punching device for leather bag production, comprising a workbench (1), the top of the workbench (1) is provided with a punching mechanism (3), characterized in that: The top of the workbench (1) is provided with a flat clamping mechanism (2) for keeping the leather flat when clamped, which comprises: A flattening assembly (21) is arranged on the top of the workbench (1) and comprises a mounting frame (211) fixedly installed on the top of the workbench (1), a gas cylinder (212) fixedly installed on the top of the mounting frame (211), a connecting block (213) fixedly installed on the bottom end of the output shaft of the gas cylinder (212), a first connecting rod (214) and a second connecting rod (218) hingedly installed in the connecting block (213), a first roller (216) rotatably installed below one side of the first connecting rod (214), and a second roller (2110) rotatably installed below one side of the second connecting rod (218). A clamping assembly (22) is arranged on the top of the workbench (1) and used for clamping the leather.

2. The punching device for leather bag production according to claim 1, characterized in that: The flattening assembly (21) further comprises a first gear (215) fixedly installed in the top end of the first connecting rod (214), and a second gear (219) fixedly installed in the top end of the second connecting rod (218).

3. The punching device for leather bag production according to claim 1, characterized in that: The clamping assembly (22) comprises a fixed rod (221) fixedly installed on the outer circle of the output shaft of the gas cylinder (212), sliding columns (222) penetratingly installed at both ends of the fixed rod (221), stop blocks (224) fixedly installed on the outer circle of the sliding columns (222), compression springs (223) sleeved on the outer circle of the sliding columns (222), and a pressing frame (225) fixedly installed on the bottom end of the sliding columns (222).

4. The punching device for leather bag production according to claim 1, characterized in that: A tension spring (217) is fixedly installed between the first connecting rod (214) and the second connecting rod (218).

5. The punching device for leather bag production according to claim 2, characterized in that: The second gear (219) is meshingly installed with the first gear (215).

6. The punching device for leather bag production according to claim 3, characterized in that: The compression spring (223) is installed between the stop block (224) and the fixed rod (221).

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