Punching machine with cooling structure

By designing a cooling structure on the punching machine and using an electric motor to drive a gear system to drive a water spray assembly to cool the punch, the problem of expansion and deformation caused by lack of cooling in the punching machine is solved, thereby improving the stability and quality of the punching dimensions.

CN224010987UActive Publication Date: 2026-03-20SUZHOU MAICHENG LASER EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing punching machines lack cooling devices, causing the punching components to expand due to heat after prolonged operation, which affects the punching size and workpiece quality, increasing the defect rate.

Method used

A punching machine with a built-in cooling structure was designed. The electric motor drives the gear system to drive the water spray assembly to cool the punch, ensuring that the punch temperature does not exceed the limit and avoiding workpiece deformation and dimensional deviation.

Benefits of technology

It effectively reduces punch temperature, ensures the stability and accuracy of punching dimensions, reduces defect rate, and improves punching quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224010987U_ABST
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Abstract

The utility model belongs to the technical field of cooling of punching machines, and discloses a punching machine with a cooling structure, which comprises a workbench, a fixing frame is fixedly arranged on the top surface of the workbench, a sliding sleeve is arranged in the fixing frame in a sliding manner, an electric motor is fixedly arranged in the sliding sleeve, and the electric motor is connected with the workbench. A main gear is fixedly arranged at the tail end of a main shaft of the electric motor, a driven gear is connected to the outer side of the main gear in a meshed mode, a fixing sleeve is fixedly arranged on the bottom face of the driven gear, connecting sleeves are fixedly arranged on the two sides of the fixing sleeve, and water spraying assemblies are rotationally arranged in the connecting sleeves. The problems that after a metal workpiece is punched for a long time, the temperature of a punch rises, and consequently a part expands and the workpiece deforms are solved, meanwhile, the stability and accuracy of the punching size are guaranteed, the punching quality is guaranteed, and the defective rate is reduced.
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Description

Technical Field

[0001] This utility model belongs to the field of punching machine cooling technology, specifically a punching machine with a built-in cooling structure. Background Technology

[0002] A punching machine is a mechanical device that, after the raw material is installed, uses a power mechanism to drive a punching die to punch a hole in the material. Punching machines can perform operations such as sheet metal processing, stamping, die pressing, and embossing, forcing metal into the die.

[0003] After prolonged use, the internal temperature of a punching machine and the temperature of the punching device will rise. Increased internal temperature can lead to malfunctions in internal electrical components, such as motor overheating or electronic control unit failure. Increased temperature in the punching device can cause thermal expansion of components and deformation of the workpiece, thus affecting the subsequent punching dimensions. Deviations in workpiece dimensions will undoubtedly affect product quality and increase the defect rate.

[0004] Meanwhile, the patent specification with publication number CN 217665770 U discloses an automatic punching machine, including a feeding module, a product guide groove, and a punching module connected in sequence; the feeding module includes a push rod with an actuator and a product stacking groove, the bottom of the product stacking groove has an opening, the free end of the push rod abuts against one side of the opening, and the opposite side of the opening is connected to the product guide groove; the punching module includes an upper die, a lower die, and a guide device disposed between the upper die and the lower die.

[0005] However, in implementing the relevant technology, the following problems were found with the above-mentioned automatic punching machine: due to the lack of a cooling device, the punching components are prone to thermal expansion after long-term operation, which in turn affects the punching size and the quality of the workpiece. Utility Model Content

[0006] To address the problems mentioned in the background section, this invention provides a punching machine with a built-in cooling structure, which has the advantage of cooling and temperature reduction. This invention can cool and reduce the temperature of the punch, thereby solving the problem of the punch temperature rising after long-term punching of metal workpieces, leading to component expansion and workpiece deformation. It also ensures the stability and accuracy of the punching dimensions, ensuring the quality of punching and reducing the defect rate.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A punching machine with cooling structure, including work table, the top surface fixed setting of work table has the fixed frame, the inside of fixed frame is provided with the sliding sleeve, the inside fixed setting of sliding sleeve has motor, the main shaft end of motor is fixed with main gear, the outside of main gear is connected with the pinion of meshing tooth, the bottom surface fixed setting of pinion has fixed sleeve, the both sides fixed setting of fixed sleeve has connecting sleeve, the inside rotation of connecting sleeve is provided with water spraying assembly, the bottom outside fixed setting of water spraying assembly has the idler wheel, and the idler wheel is connected with the work table slidingly.

[0008] Preferably, the inside of the sliding sleeve is fixedly provided with a long shaft, and the bottom of the long shaft is rotatably connected with the main gear.

[0009] Preferably, a long groove is formed in one side of the top surface of the workbench, and a filter screen is communicated below the long groove and fixedly connected with the workbench.

[0010] Preferably, a water storage chamber is fixedly arranged outside the filter screen, and a water pipe is communicated in the water storage chamber.

[0011] Preferably, a motor is fixedly arranged on one side of the fixed frame, a threaded rod is fixedly arranged at the main shaft end of the motor and threadedly connected with the sliding sleeve, and a punch body is fixedly arranged in the sliding sleeve.

[0012] Preferably, the water spraying assembly comprises a connecting pipe, a round head is fixedly arranged at the bottom end of the connecting pipe, a waterproof sleeve is sleeved outside the round head, and a spray head is fixedly arranged outside the waterproof sleeve.

[0013] Preferably, a corrugated hose is fixedly arranged outside the top of the connecting pipe, and the corrugated hose is fixedly connected with the water pipe through the sliding sleeve.

[0014] Compared with the prior art, the utility model has the beneficial effects as follows:

[0015] 1、The utility model discloses a motor drives the rotation of the main gear, the main gear drives the pinion, the pinion drives the rotation of the fixed sleeve, the fixed sleeve drives the rotation of the connecting sleeve on both sides, the connecting sleeve drives the reciprocating rotation of the water spraying assembly, starts the cooling of the four -around punch body, avoids the deviation of the size of workpiece processing caused by the temperature of punch body being too high, the utility model discloses a punch cooling of punching machine, thereby solve the problem that the temperature of punch rises after long -time punching of metal workpiece, causes the expansion of part and the deformation of workpiece, guarantees the stability and accuracy of punching size simultaneously, ensures the quality of punching, reduces the rate of defective products.

[0016] 2, the utility model discloses a round head at the top of connecting pipe, thereby adjusting the angle of the spray head, and the waterproof sleeve is used to prevent water leakage, thereby ensuring the sealing performance, and then the cooling treatment can be carried out on the multiple areas of the vertical direction of the punch body, and the integrity of the cooling work and the flexibility of the device are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and are used to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0018] Figure 1 It is a whole structure schematic diagram of the punching machine with cooling structure of the utility model;

[0019] Figure 2 It is a corrugated hose mounting structure schematic diagram of the utility model;

[0020] Figure 3 It is a workbench cross section structure schematic diagram of the utility model;

[0021] Figure 4 It is an electric motor mounting structure schematic diagram of the utility model;

[0022] Figure 5 It is a sliding sleeve cross section structure schematic diagram of the utility model.

[0023] In the drawings:

[0024] 1, workbench, 2, fixed frame, 3, sliding sleeve, 4, electric motor, 5, main gear, 6, from the gear, 7, fixed sleeve, 8, connecting sleeve;

[0025] 9, water spraying assembly, 901, connecting pipe, 902, round head, 903, waterproof sleeve, 904, spray head;

[0026] 10, idler, 11, punch body, 12, corrugated hose, 13, water pipe, 14, water storage chamber, 15, filter screen, 16, motor, 17, threaded rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] For example, Figures 1 to 5The utility model provides a punch with cooling structure, including work table 1, the top surface fixed setting of work table 1 has fixed frame 2, the inside slide of fixed frame 2 is provided with sliding sleeve 3, the inside fixed setting of sliding sleeve 3 has motor 4, the main shaft end of motor 4 is fixed with main gear 5, the outside of main gear 5 is connected with from gear 6 and is meshed, the bottom surface fixed setting of from gear 6 has fixed sleeve 7, the both sides fixed setting of fixed sleeve 7 has connecting sleeve 8, the inside rotation of connecting sleeve 8 is provided with water spraying subassembly 9, the bottom outside fixed setting of water spraying subassembly 9 has gyro wheel 10, and gyro wheel 10 is connected with work table 1 slidingly, rotates through motor 4 and drives main gear 5, main gear 5 drives from gear 6, from gear 6 drives fixed sleeve 7 to rotate, fixed sleeve 7 drives both sides connecting sleeve 8 to rotate, connecting sleeve 8 drives water spraying subassembly 9 reciprocating rotation, starts the four around punch body 11 cooling cooling, avoids the size deviation that punch body 11 temperature is too high and leads to workpiece processing, solves the punch temperature rise after long time punch processing to metal workpiece, leads to the problem of component expansion and workpiece deformation, guarantees the stability and accuracy of punch size simultaneously also, ensure the quality of punching, reduce the rate of defective products.

[0029] Specifically, the inside of the sliding sleeve 3 is fixedly provided with a long shaft, and the bottom of the long shaft is rotatably connected with the main gear 5. The long shaft is mainly used to ensure the installation and normal use of the main gear 5.

[0030] Further, a long groove is formed on one side of the top surface of the workbench 1, and a filter screen 15 is communicated below the long groove. The filter screen 15 is fixedly connected with the workbench 1. The excess metal pieces punched out can be collected through the filter screen 15 for subsequent centralized treatment. At the same time, the water used for cooling can also be collected and filtered.

[0031] Still further, a water storage chamber 14 is fixedly arranged on the outside of the filter screen 15. A water pipe 13 is communicated in the water storage chamber 14. The filtered cooling water can enter the inside of the water storage chamber 14 for recycling.

[0032] It is worth noting that a motor 16 is fixedly arranged on one side of the fixed frame 2. A threaded rod 17 is fixedly arranged at the end of the main shaft of the motor 16 and is threadedly connected with the sliding sleeve 3. A punch body 11 is fixedly arranged in the inside of the sliding sleeve 3. The motor 16 drives the sliding sleeve 3 to move through the threaded rod 17, so as to punch multiple areas of the workpiece.

[0033] It is worth noting that the water spraying assembly 9 comprises a connecting pipe 901. A round head 902 is fixedly arranged at the bottom end of the connecting pipe 901. A waterproof sleeve 903 is sleeved on the outside of the round head 902. A spray head 904 is fixedly arranged on the outside of the waterproof sleeve 903. The angle of the spray head 904 can be adjusted. Then the multiple areas in the vertical direction of the punch body 11 can be cooled, so as to ensure the integrity of the cooling work.

[0034] It is worth mentioning that the top outside of the connecting pipe 901 is fixedly provided with a corrugated hose 12, and the corrugated hose 12 is fixedly connected with a water pipe 13 penetrating the sliding sleeve 3; when the sliding sleeve 3 moves, the corrugated hose 12 also moves due to its own characteristics, thereby providing continuous cooling water.

[0035] Among them, the electric motor 4 and the servo 16 are prior art, and will not be described again; at the same time, the utility model also includes a power supply, a controller and a switch, which are not the main technical points of the patent, and will not be described again; the 'front, rear, left and right' perspective of the device is taken as the reference direction of the drawing. Figure 1

[0036] Working principle:

[0037] When the punching machine with the cooling structure is used, first, the workpiece is placed on the top surface of the workbench 1, and then the punch body 11 in the sliding sleeve 3 is used for punching process, and the motor 16 outside the movable fixing frame 2 can also drive the threaded rod 17 to move, the threaded rod 17 drives the fixing frame 2 to move, thereby processing different areas of the workpiece; when some metal material workpieces are processed, the temperature of the punch body 11 will rise after a long time of work, at this time, the punch body 11 needs to be cooled, the water source in the water storage chamber 14 reaches the inside of the corrugated hose 12 through the water pipe 13, and then is sprayed out through the water spraying assembly 9, thereby cooling the punch body 11, the switch of the electric motor 4 is turned on, the electric motor 4 drives the main gear 5 to rotate, the main gear 5 drives the gear 6, the gear 6 drives the fixed sleeve 7 to rotate, the fixed sleeve 7 drives the connecting sleeves 8 on both sides to rotate, the connecting sleeves 8 drive the water spraying assembly 9 to reciprocating rotate, the rollers 10 outside the water spraying assembly 9 can promote the rotation of the water spraying assembly 9, and the four sides of the punch body 11 are cooled, thereby avoiding that the size of the workpiece processed by the punch body 11 with high temperature is deviated, the nozzle 904 outside the connecting pipe 901 can be rotated, thereby adjusting the angle of water spraying, thereby cooling multiple areas of the punch body 11 in the vertical direction, the waterproof sleeve 903 is used for preventing water leakage, the round head 902 is convenient for adjusting the angle of the nozzle 904, the metal sheet punched and the cooling water used can also be filtered through the filter screen 15, the metal sheet is concentratedly treated, and the cooling water is recycled after being filtered, the utility model can cool the punch of the punching machine, thereby solving the problems that the temperature of the punch rises after the metal workpiece is punched for a long time, the parts expand and the workpiece deforms, and ensuring the stability and accuracy of the punching size, thereby ensuring the quality of the punching and reducing the rate of defective products.

[0038] ​Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A punching machine with a built-in cooling structure, comprising a worktable (1), characterized in that: A fixed frame (2) is fixedly installed on the top surface of the workbench (1). A sliding sleeve (3) is slidably installed inside the fixed frame (2). An electric motor (4) is fixedly installed inside the sliding sleeve (3). A main gear (5) is fixedly installed at the end of the main shaft of the electric motor (4). A driven gear (6) is meshed on the outer side of the main gear (5). A fixed sleeve (7) is fixedly installed on the bottom surface of the driven gear (6). Connecting sleeves (8) are fixedly installed on both sides of the fixed sleeve (7). A water spray assembly (9) is rotatably installed inside the connecting sleeve (8). A roller (10) is fixedly installed on the outer bottom of the water spray assembly (9), and the roller (10) is slidably connected to the workbench (1).

2. A punching machine with a built-in cooling structure according to claim 1, characterized in that: The sliding sleeve (3) has a long shaft fixedly installed inside, and the bottom of the long shaft is rotatably connected to the main gear (5).

3. A punching machine with a built-in cooling structure according to claim 1, characterized in that: A long groove is provided on one side of the top surface of the workbench (1), and a filter screen (15) is connected to the bottom of the long groove, and the filter screen (15) is fixedly connected to the workbench (1).

4. A punching machine with a built-in cooling structure according to claim 3, characterized in that: A water storage chamber (14) is fixedly provided on the outside of the filter screen (15), and a water pipe (13) is connected inside the water storage chamber (14).

5. A punching machine with a built-in cooling structure according to claim 1, characterized in that: A motor (16) is fixedly installed on one side of the fixed frame (2). A threaded rod (17) is fixedly installed at the end of the main shaft of the motor (16), and the threaded rod (17) is threadedly connected to the sliding sleeve (3). A punch body (11) is fixedly installed inside the sliding sleeve (3).

6. A punching machine with a built-in cooling structure according to claim 1, characterized in that: The water spray assembly (9) includes a connecting pipe (901), a round head (902) is fixedly provided at the bottom end of the connecting pipe (901), a waterproof sleeve (903) is sleeved on the outside of the round head (902), and a nozzle (904) is fixedly provided on the outside of the waterproof sleeve (903).

7. A punching machine with a built-in cooling structure according to claim 6, characterized in that: A corrugated hose (12) is fixedly installed on the top outer side of the connecting pipe (901), and the corrugated hose (12) passes through the sliding sleeve (3) and is fixedly connected to the water pipe (13).

Citation Information

Patent Citations

  • Automatic punching machine

    CN217665770U