A two-clamp three-axis jig for a CNC machine tool

By using a two-clamp three-axis fixture with buffer clamping and comprehensive heat dissipation design, the problems of clamping damage and poor heat dissipation of traditional fixtures are solved, achieving the effect of effectively protecting the workpiece surface and improving machining accuracy.

CN223588846UActive Publication Date: 2025-11-25DONGGUAN ZHUOBO METAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423271403.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-25
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional CNC machine tool fixtures are prone to causing workpiece surface damage during clamping and have poor heat dissipation, affecting machining quality and accuracy.

Method used

The fixture employs a two-clamp, three-axis design. The clamping plate and the gasket are driven by a cylinder to provide cushioning and clamping. It combines a cooling water plate, a fan, and a motor-driven fan for heat dissipation, using cold water circulation and the fan to accelerate heat dissipation.

Benefits of technology

It effectively protects the surface integrity of the workpiece, reduces the scrap rate, improves processing quality and precision, and extends the service life of the fixture.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223588846U_ABST
    Figure CN223588846U_ABST
Patent Text Reader

Abstract

The utility model relates to CNC machine tool technical field especially relates to a two -clamp three -axis fixture for CNC machine tool, the two -clamp three -axis fixture for CNC machine tool includes jig main part, and the inside fixedly connected with cooling water board of jig main part, and the lower fixedly connected with pneumatic cylinder of jig main part, and the fixedly connected with clamping plate of pneumatic cylinder drive department, and the inside of clamping plate is provided with empty groove, and the gasket is slidably connected on empty groove, the two -clamp three -axis fixture for CNC machine tool provided by the utility model can provide the buffer when clamping work piece through installing pneumatic cylinder, clamping plate, gasket and return spring, avoids the damage to work piece surface because of rigid contact, improves the cooling efficiency through installing motor, fan, water pipe and cooling water board simultaneously, guarantees that jig can keep the relatively stable temperature in the working process to improve the machining accuracy and the service life of jig.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to CNC machine tool technical field especially relates to a two -clamp three -axis fixture for CNC machine tool. BACKGROUND

[0002] In the CNC machine tool processing process, the performance of the fixture plays a crucial role in the machining quality and efficiency of the workpiece, with the continuous improvement of the machining precision requirement of modern manufacturing industry, the traditional fixture gradually exposes many problems in clamping and heat dissipation, in the clamping aspect, the traditional fixture often adopts rigid clamping mode, when clamping the workpiece, rigid contact is easy to cause indentation, scratch and other damage on the surface of the workpiece, especially for some high-precision parts with high surface precision requirement, such that the damage will seriously affect the integrity and machining quality of the workpiece, resulting in the increase of the scrap rate, the increase of the production cost and the machining cycle, in the heat dissipation aspect, the fixture will generate a large amount of heat due to the friction with the workpiece and the mechanical movement of itself during the machining process of the CNC machine tool, if the heat cannot be dissipated in time and effectively, the high temperature of the fixture will not only affect the mechanical properties and service life of itself, but also cause the workpiece to be deformed by heat, thereby affecting the machining precision.

[0003] Therefore, it is necessary to provide a new two -clamp three -axis fixture for CNC machine tool to solve the above technical problems. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a two -clamp three -axis fixture for CNC machine tool.

[0005] The two -clamp three -axis fixture for CNC machine tool provided by the utility model comprises a fixture main body, a cooling water plate fixedly connected in the fixture main body, the cooling water plate is a main heat dissipation component, a gas cylinder fixedly connected below the fixture main body, a clamping plate fixedly connected at the driving position of the gas cylinder, an empty slot arranged in the clamping plate, a gasket slidingly connected on the empty slot, the clamping plate is driven by the gas cylinder to clamp the workpiece, and the gasket can provide buffering when clamping the workpiece to avoid damage to the surface of the workpiece due to rigid contact.

[0006] Preferably, a motor is fixedly connected to one side of the fixture main body, a rotating shaft is fixedly connected at the driving position of the motor, a fan is fixedly connected to the other end of the rotating shaft, the motor is started by the background, the rotating shaft is driven to rotate, the rotating shaft drives the fan to rotate, the airflow generated by the fan blows towards the fixture main body, accelerates heat dissipation, and further enhances the heat dissipation effect.

[0007] Preferably, a heat transfer plate is fixedly connected to the front side of the cooling water plate, the heat transfer plate is in contact with the fixture main body, the heat transfer plate conducts the heat on the fixture main body to the cooling water plate, and the cold water is conveniently circulated and flows in the cooling water plate to absorb heat.

[0008] Preferably, the tool body is fixedly connected with a filter plate on the side away from the fan, which filters impurities in the air to prevent them from entering the tool and affecting the normal operation of the equipment.

[0009] Preferably, the tool body is fixedly connected with a filter plate on the side away from the fan, which filters impurities in the air to prevent them from entering the tool and affecting the normal operation of the equipment.

[0010] Preferably, the tool body is fixedly connected with a filter plate on the side away from the fan, which filters impurities in the air to prevent them from entering the tool and affecting the normal operation of the equipment.

[0011] Preferably, the tool body is fixedly connected with a filter plate on the side away from the fan, which filters impurities in the air to prevent them from entering the tool and affecting the normal operation of the equipment.

[0012] Preferably, the tool body is fixedly connected with a filter plate on the side away from the fan, which filters impurities in the air to prevent them from entering the tool and affecting the normal operation of the equipment.

[0013] Compared with the related art, the two-clamp three-axis jig for CNC machine tools has the following beneficial effects:

[0014] 1. The two-clamp three-axis jig for CNC machine tools can provide buffering when clamping workpieces, avoid damage to the surface of the workpiece due to rigid contact, effectively protect the integrity of the workpiece, reduce the scrap rate, and improve the machining quality.

[0015] 2. The two-clamp three-axis jig for CNC machine tools improves the cooling efficiency, ensures that the jig can maintain a relatively stable temperature during operation, and thus improves the machining precision and the service life of the jig. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure of a preferred embodiment of the two-clamp three-axis jig for CNC machine tools is shown in the accompanying drawings.

[0017] Figure 2 The two-clamp three-axis jig for CNC machine toolsFigure 1 The left view of the jig structure is shown.

[0018] Figure 3 The structure of the cooling water plate is shown. Figure 1

[0019] Figure 4 The structure of the clamping plate is shown. Figure 1

[0020] The structure of the gasket is shown. Figure 5 Figure 4

[0021] In the figure, 1 is a jig main body; 2 is an air cylinder; 3 is a support frame; 4 is a filter plate; 5 is a clamping plate; 6 is a water inlet hole; 7 is a water outlet hole; 8 is a cooling water plate; 9 is a motor; 10 is a rotating shaft; 11 is a fan; 12 is a heat transfer plate; 13 is a gasket; 14 is an empty slot; 15 is a return spring; 16 is a limiting block; 17 is a water inlet pipe; and 18 is a water outlet pipe. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and do not limit the utility model.

[0023] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0024] Please refer to Figures 1 to 5 The utility model discloses a two-clamping three-axis jig for CNC machine tool, which comprises a jig main body 1, wherein the jig main body 1 is internally fixedly connected with a cooling water plate 8, the cooling water plate 8 is a main heat dissipation component, the jig main body 1 is fixedly connected with an air cylinder 2 below, the air cylinder 2 is fixedly connected with a clamping plate 5 at a driving position, the clamping plate 5 is internally provided with an empty slot 14, and the empty slot 14 is slidably connected with a gasket 13; the clamping plate 5 is driven by the air cylinder 2 to clamp a workpiece; and the gasket 13 can provide buffering when clamping the workpiece, so that damage to the surface of the workpiece caused by rigid contact is avoided.

[0025] In the embodiment of the utility model, please refer to Figure 3 The jig main body 1 is fixedly connected with a motor 9 at one side in the inside, the motor 9 is fixedly connected with a rotating shaft 10 at a driving position, the rotating shaft 10 is fixedly connected with a fan 11 at the other end, the motor 9 is started by a background program, the rotating shaft 10 is driven to rotate, the rotating shaft 10 drives the fan 11 to rotate, and the airflow generated by the fan 11 blows towards the jig main body 1, so that heat dissipation is accelerated and the heat dissipation effect is further enhanced.

[0026] ​​​In the embodiment of the utility model, please refer to Figure 3 Cooling water plate 8 front side fixedly connected with heat transfer plate 12, heat transfer plate 12 is contacted with jig main body 1, heat transfer plate 12 conducts heat on jig main body 1 to cooling water plate 8, and cold water is conveniently circulated and flows in cooling water plate 8 and absorbs heat.

[0027] In the embodiment of the utility model, please refer to Figure 2 And Figure 3 Jig main body 1 is fixedly connected with filter plate 4 on the side away from fan 11, and filter plate 4 filters the impurities in air, prevents its entering jig inside and influences equipment normal operation.

[0028] In the embodiment of the utility model, please refer to Figure 1 And Figure 3 Water inlet hole 6 is arranged on the right side of jig main body 1, water inlet hole 6 is communicated with water inlet pipe 17, and the other end of water inlet pipe 17 is communicated with cooling water plate 8, cold water is introduced into cooling water plate 8 through the communication of water inlet hole 6 on the right side of jig main body 1 and water inlet pipe 17.

[0029] In the embodiment of the utility model, please refer to Figure 2 And Figure 3 Water outlet hole 7 is arranged on the left side of jig main body 1, and water outlet hole 7 is communicated with water outlet pipe 18, and the other end of water outlet pipe 18 is communicated with cooling water plate 8, and after cold water circulates and flows in cooling water plate 8 and absorbs heat, the cold water flows out from the left side water outlet hole 7 through water outlet pipe 18.

[0030] In the embodiment of the utility model, please refer to Figure 4 And Figure 5 Reset spring 15 is fixedly connected in the inside of air slot 14, and the reset spring 15 is fixedly connected below gasket 13, when cylinder 2 drives clamping plate 5 to clamp workpiece, gasket 13 is slid in air slot 14 under pressure, reset spring 15 is compressed, thereby generating buffer force, avoiding rigid contact of clamping plate 5 and workpiece, protecting workpiece surface precision, and the elastic restoring force of reset spring 15 can make gasket 13 return to initial position, and prepare for next clamping operation.

[0031] In the embodiment of the utility model, please refer to Figure 1 And Figure 5 Limiting block 16 is fixedly connected on both sides below gasket 13, and the existence of limiting block 16 ensures that gasket 13 can stably slide in air slot 14, and gasket 13 will not separate from air slot 14 due to large impact force or vibration, and jig main body 1 is fixedly connected with support frame 3 below, which provides stable support basis for the whole jig.

[0032] The working principle of the two-clamping three-axis jig for CNC machine tool is as follows:

[0033] Clamping:

[0034] The cylinder 2 below the jig body 1 is used as a power source, when the cylinder 2 is driven, the clamping plate 5 is moved, the clamping action of the workpiece is realized, the gasket 13 and the reset spring 15 in the clamping plate 5 can provide buffering when clamping the workpiece, avoid damage to the surface of the workpiece due to rigid contact, especially for the workpiece with high surface precision requirement, the buffering effect can effectively protect the integrity of the workpiece, reduce the scrap rate and improve the machining quality;

[0035] Heat dissipation:

[0036] The cooling water plate 8 is the main heat dissipation component, the water inlet hole 6 on the right side of the jig body 1 is communicated with the water inlet pipe 17, the cold water is introduced into the cooling water plate 8, and the heat transfer plate 12 conducts the heat on the jig body 1 to the cooling water plate 8, the cold water circulates in the cooling water plate 8, absorbs heat and then flows out from the water outlet hole 7 on the left side through the water outlet pipe 18, carries away the heat generated during the work of the jig, realizes heat exchange and heat dissipation, and the rear-end starting motor 9 drives the rotating shaft 10 to rotate, the rotating shaft 10 drives the fan 11 to rotate, the airflow generated by the fan 11 blows to the jig body 1, accelerates the heat dissipation, further enhances the heat dissipation effect, and the filter plate 4 filters out the impurities in the air to prevent them from entering the jig and affecting the normal operation of the equipment, by setting two cooling devices, the cooling efficiency is improved, the temperature of the jig can be kept relatively stable during the work process, so as to improve the machining precision and the service life of the jig.

[0037] The above only describes the embodiment of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A two-clamp three-axis fixture for CNC machine tools, characterized in that, include: Fixture body(1); Cooling water plate (8), the main body (1) of the fixture is fixedly connected to the cooling water plate (8); A gasket (13) is fixedly connected to a cylinder (2) below the main body (1) of the fixture. A clamping plate (5) is fixedly connected to the drive of the cylinder (2). A slot (14) is provided inside the clamping plate (5). A gasket (13) is slidably connected to the slot (14).

2. The two-clamp three-axis fixture for CNC machine tools according to claim 1, characterized in that, A motor (9) is fixedly connected to one side of the fixture body (1), a rotating shaft (10) is fixedly connected to the motor (9) drive, and a fan (11) is fixedly connected to the other end of the rotating shaft (10).

3. The two-clamp three-axis fixture for CNC machine tools according to claim 1, characterized in that, A heat transfer plate (12) is fixedly connected to the front side of the cooling water plate (8), and the heat transfer plate (12) is in contact with the fixture body (1).

4. The two-clamp three-axis fixture for CNC machine tools according to claim 2, characterized in that, A filter plate (4) is fixedly connected to the side of the fixture body (1) away from the fan (11).

5. The two-clamp three-axis fixture for CNC machine tools according to claim 1, characterized in that, The main body (1) of the fixture is provided with a water inlet (6) on the right side. The water inlet (6) is connected to the water inlet pipe (17), and the other end of the water inlet pipe (17) is connected to the cooling water plate (8).

6. The two-clamp three-axis fixture for CNC machine tools according to claim 1, characterized in that, The main body (1) of the fixture has a water outlet (7) on the left side, which is connected to the water outlet pipe (18), and the other end of the water outlet pipe (18) is connected to the cooling water plate (8).

7. The two-clamp three-axis fixture for CNC machine tools according to claim 1, characterized in that, A reset spring (15) is fixedly connected inside the slot (14), and the lower part of the reset spring (15) is fixedly connected to the pad (13).

8. The two-clamp three-axis fixture for CNC machine tools according to claim 1, characterized in that, Limiting blocks (16) are fixedly connected to both sides below the gasket (13), and a support frame (3) is fixedly connected to the bottom of the fixture body (1).