Perforating device for leather processing
By using a combination of electric push rods and hydraulic rods in the leather punching device, the position of the fixed block is adjusted, and the waste is discharged by inflating the cavity plate and annular cutter, which solves the inconvenience of fixing and scrap stuck in the prior art. The problem of the device improves the applicability and fixing effect.
Patent Information
- Application Number
- CN202420611229.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-03-27
AI Technical Summary
Existing leather hole punching devices are difficult to adapt to the fixation of leathers of different sizes, and waste materials are easily stuck in the device after hole punching and are difficult to discharge.
A leather hole punching device including a fixed plate, a vertical plate, an electric push rod, a hydraulic rod and an annular cutter is designed. Through the cooperation of the electric push rod and a hydraulic rod, the position of the fixed block is adjusted, and the cavity plate and annular shape are used. The cutter and conduit are arranged to flush the waste out by inflating.
It realizes flexible fixation and convenient waste discharge for leathers of different sizes, improves the practicality and fixing effect of the device, avoids the movement of the leather during drilling, and affects the quality of the drilling.
Smart Images

Figure CN222349031U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of punching devices, and more specifically, to a punching device for leather processing. Background Art
[0002] Leather is a denatured and non-perishable animal skin obtained through physical and chemical processing such as depilation and tanning. The leather industry covers the main industries such as leather making, shoe making, leather clothing, leather goods, fur and its products, as well as supporting industries such as leather chemicals, leather hardware, leather machinery, and accessories. It plays a vital role in boosting the economy. In the process of leather processing, it is generally necessary to punch holes in the leather. Leather punching is generally done manually using a punching machine or a punching machine.
[0003] The current punching device needs to fix the leather before punching, but the position of the fixing structure is mostly fixed, which makes it difficult to fix leather of different sizes. After the punching is completed, the leather waste is easy to get stuck in the punch knife and is difficult to discharge. Utility Model Content
[0004] (1) Technical issues to be solved
[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a punching device for leather processing, which has the characteristics of being easy to adjust the fixed structure position and easy to discharge waste.
[0006] (2) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides a punching device for leather processing, comprising a fixing plate, both sides of the fixing plate are fixedly connected with vertical plates, the two vertical plates are penetrated with a first electric push rod, one end of the two first electric push rods are fixedly connected with a fixing bar through a connecting plate, a group of second electric push rods are penetrated on the two fixing bars, the bottoms of the two groups of second electric push rods are fixedly connected with a fixing block, a through hole is opened on the top of the fixing plate, a bracket is fixedly connected to one side of the top of the fixing plate, a hydraulic rod is penetrated on the bracket, the bottom of the hydraulic rod is fixedly connected to a cavity plate, the bottom of the cavity plate is connected to an annular cutter, and one side of the cavity plate is connected to a conduit.
[0008] When a leather processing punching device according to the technical solution is used, the first electric push rod, the fixing bar and the second electric push rod work together to facilitate adjusting the position of the fixing block according to the size of the leather to be punched, so that it can be suitable for fixing leathers of different sizes, thereby improving the practicality of the device. Through the arrangement of the cavity plate, the annular cutter and the conduit, it is convenient to flush out the leather waste in the annular cutter by inflation after the punching is completed.
[0009] Furthermore, four corners of the bottom of the fixing plate are fixedly connected with supporting legs.
[0010] Furthermore, a controller is provided on the front side of the fixing plate.
[0011] Furthermore, clamping strips are fixedly connected to both sides of the bottom of the fixed plate, movable strips are slidably connected inside the two clamping strips, and the same hollow box is fixedly connected to the opposite sides of the two movable strips.
[0012] Furthermore, anti-slip pads are fixedly connected to the bottoms of the two groups of fixing blocks.
[0013] Furthermore, both sides of the cavity plate are fixedly connected with limit blocks, and limit rods are movably provided on the two limit blocks. Springs are sleeved on the two limit rods, and one end of the two springs is respectively fixedly connected to the bottom of the limit blocks, and the other ends of the two springs are respectively fixedly connected to the bottom of the two limit rods.
[0014] (3) Beneficial effects
[0015] In summary, the utility model has the following beneficial effects:
[0016] 1. Through the joint action of the first electric push rod, the fixing bar and the second electric push rod, the position of the fixing block can be adjusted according to the size of the leather to be punched, so that it can be used to fix leather of different sizes, thereby improving the practicability of the device. Through the arrangement of the cavity plate, the annular cutter and the conduit, it is convenient to flush out the leather waste in the annular cutter by means of inflation after the punching is completed;
[0017] 2. The anti-slip pad is provided to improve the fixing effect of the leather. The limit block, limit rod and spring are provided to fix the leather again during punching to avoid the movement of the leather when punching is pressed down, which would affect the punching effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0020] Figure 2 for Figure 1 Schematic diagram of the partial cross-sectional structure of the middle fixing plate.
[0021] The symbols in the accompanying drawings are:
[0022] 1. Fixed plate; 2. Support legs; 3. Controller; 4. Vertical plate; 5. First electric push rod; 6. Fixed bar; 7. Second electric push rod; 8. Fixed block; 9. Anti-skid pad; 10. Through hole; 11. Bracket; 12. Hydraulic rod; 13. Cavity plate; 14. Annular cutter; 15. Conduit; 16. Limit block; 17. Limit rod; 18. Spring; 19. Card strip; 20. Movable strip; 21. Hollow box. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, rather than all styles.
[0024] Example:
[0025] The following is combined with Figure 1-2 The utility model is described in further detail.
[0026] See also Figure 1-2 The utility model provides a technical solution: a punching device for leather processing, comprising a fixed plate 1, both sides of the fixed plate 1 are fixedly connected with vertical plates 4, the two vertical plates 4 are penetrated with first electric push rods 5, one end of the two first electric push rods 5 are fixedly connected with a fixing strip 6 through a connecting plate, a group of second electric push rods 7 are penetrated with the two fixing strips 6, the bottoms of the two groups of second electric push rods 7 are fixedly connected with a fixing block 8, through the joint action of the first electric push rod 5, the fixing strip 6 and the second electric push rod 7, it is convenient to adjust the fixing block 8 according to the size of the leather to be punched. The position can be adjusted to make it suitable for fixing leathers of different sizes, thereby improving the practicability of the device. A through hole 10 is opened on the top of the fixing plate 1, and a bracket 11 is fixedly connected to one side of the top of the fixing plate 1. A hydraulic rod 12 is passed through the bracket 11, and a cavity plate 13 is fixedly connected to the bottom of the hydraulic rod 12. The bottom of the cavity plate 13 is connected to an annular cutter 14, and one side of the cavity plate 13 is connected to a conduit 15. Through the arrangement of the cavity plate 13, the annular cutter 14 and the conduit 15, it is convenient to flush out the leather waste in the annular cutter 14 by inflation after the punching is completed.
[0027] Specifically, the four corners of the bottom of the fixed plate 1 are fixedly connected with supporting legs 2, a controller 3 is provided on the front side of the fixed plate 1, the two sides of the bottom of the fixed plate 1 are fixedly connected with clamping strips 19, the two clamping strips 19 are slidably connected with movable bars 20, and the opposite sides of the two movable bars 20 are fixedly connected with the same hollow box 21.
[0028] By adopting the above technical solution, the controller 3 can be a conventional known device such as a computer for control. The controller 3 is electrically connected to the first electric push rod 5, the second electric push rod 7 and the hydraulic rod 12 through wires. By setting a hollow box 21, the fallen leather waste can be collected.
[0029] Specifically, the bottoms of the two groups of fixed blocks 8 are fixedly connected with anti-slip pads 9, and the two sides of the cavity plate 13 are fixedly connected with limiting blocks 16. Limiting rods 17 are movably penetrated on the two limiting blocks 16, and springs 18 are sleeved on the two limiting rods 17. One ends of the two springs 18 are respectively fixedly connected to the bottoms of the limiting blocks 16, and the other ends of the two springs 18 are respectively fixedly connected to the bottoms of the two limiting rods 17.
[0030] By adopting the above technical solution and setting the anti-slip pad 9, the fixing effect of the leather is improved. By setting the limit block 16, the limit rod 17 and the spring 18, the leather is fixed again when punching, so as to avoid the movement of the leather when pressing down to punch, which affects the punching effect.
[0031] The working principle of the utility model is as follows: when in use, the device is connected to an external power source, one end of the conduit 15 is connected to the air pump, the leather is laid flat on the fixed plate 1, the first electric push rod 5 is extended to push the fixed bar 6 to move, and the position of the fixed block 8 is adjusted, and then the second electric push rod 7 is extended to push the fixed block 8 to fall, and the leather is pressed tightly above the fixed plate 1 to fix the leather, the hydraulic rod 12 is extended to push the cavity plate 13 and the annular cutter 14 to fall, and the limit block 16 is against the leather, as the cavity plate 13 continues to fall, the limit rod 17 squeezes the spring 18 to contract, and the limit rod 17 is extended through the limit block 16, the annular cutter 14 passes through the leather and enters the through hole 10, the air pump works, and the cavity plate 13 is inflated through the conduit 15, the gas enters the annular cutter 14, and impacts the leather waste, causing it to fall into the hollow box 21 for collection.
[0032] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
Claims
1. A punching device for leather processing, comprising a fixing plate (1), characterized in that: Both sides of the fixed plate (1) are fixedly connected to the vertical plates (4), the two vertical plates (4) are each provided with a first electric push rod (5), one end of each of the two first electric push rods (5) is fixedly connected to a fixing bar (6) through a connecting plate, a group of second electric push rods (7) is each provided on the two fixing bars (6), the bottoms of the two groups of second electric push rods (7) are fixedly connected to a fixing block (8), a through hole (10) is provided on the top of the fixed plate (1), a bracket (11) is fixedly connected to one side of the top of the fixed plate (1), a hydraulic rod (12) is provided on the bracket (11), the bottom of the hydraulic rod (12) is fixedly connected to a cavity plate (13), the bottom of the cavity plate (13) is connected to an annular cutter (14), and one side of the cavity plate (13) is connected to a conduit (15).
2. A leather processing punching device according to claim 1, characterized in that: The four corners of the bottom of the fixed plate (1) are fixedly connected with supporting legs (2).
3. A leather processing punching device according to claim 1, characterized in that: A controller (3) is provided on the front side of the fixing plate (1).
4. A leather processing punching device according to claim 1, characterized in that: Both sides of the bottom of the fixed plate (1) are fixedly connected with clamping strips (19), and movable strips (20) are slidably connected inside the two clamping strips (19), and the opposite sides of the two movable strips (20) are fixedly connected with the same hollow box (21).
5. The leather processing punching device according to claim 1, characterized in that: The bottoms of the two groups of fixed blocks (8) are fixedly connected with anti-skid pads (9).
6. The leather processing punching device according to claim 1, characterized in that: Both sides of the cavity plate (13) are fixedly connected to limit blocks (16), and limit rods (17) are movably inserted into the two limit blocks (16). Springs (18) are sleeved on the two limit rods (17), and one end of the two springs (18) is respectively fixedly connected to the bottom of the limit blocks (16), and the other ends of the two springs (18) are respectively fixedly connected to the bottom of the two limit rods (17).