Clamping mechanism for numerical control machine tool machining

By designing a CNC machine tool clamping mechanism containing motor drive, high precision clamping of workpieces is achieved using springs and support rods, and providing buffering through sealing rings and plug-in rods, the low firmness of the clamping device in the prior art is solved. and accuracy issues improve processing effect.

CN222154742UActive Publication Date: 2024-12-13FENGCHENG DINGDONG PRECISION MACHINERY CO LTD
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Patent Information

Application Number
CN202420909665.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2024-12-13
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

The clamping device of existing CNC machine tools is single, has low firmness, and can easily lead to wear and accuracy of the workpiece surface during processing.

Method used

A clamping mechanism including a base, mounting base, moving groove, fixing plate, support rod, clamping block, spring, adjustment mechanism and other components is designed. The motor drives the transmission system to drive the moving block and fixed plate to move, and the spring and The support rod clamping block fits the workpiece and provides buffering and limiting functions through sealing rings and plug-in rods.

Benefits of technology

It improves the clamping firmness and machining accuracy of the workpiece, reduces the surface wear of the workpiece, and enhances the adjustability and stability of the clamping mechanism.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a clamping mechanism for numerical control machine tool machining, and belongs to the technical field of numerical control machine tools. The clamping mechanism for numerical control machine tool machining comprises a base and a clamping mechanism body, a mounting seat is fixedly mounted at the top of the base, a moving groove is formed in the top of the mounting seat, a moving block is slidably mounted on the inner wall of the moving groove, an adjusting mechanism is arranged at the top of the base, a fixing plate is mounted at the top of the moving block, and a supporting rod is fixedly mounted on the inner side of the fixing plate. The adjusting mechanism and the clamping mechanism are arranged, the clamping block is installed on the inner side of the fixing plate, the inner side of the supporting rod penetrates to the inner side of the supporting groove, and the spring is fixedly installed on the inner side of the fixing plate. And the adjusting mechanism can conveniently move the clamping mechanism inwards to clamp the workpiece, so that a user can conveniently use the clamping mechanism to clamp the workpiece and then machine the workpiece.
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Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machine tools, in particular to a clamping mechanism for numerical control machine tool processing. Background Art

[0002] CNC machine tool is the abbreviation of digital control machine tool. It is an automated machine tool equipped with a program control system. The control system can logically process programs specified by control codes or other symbolic instructions, decode them, and express them in coded numbers. The information carrier is input into the CNC device, and various control signals are sent out by the CNC device after calculation and processing to control the movement of the machine tool. The parts are automatically processed according to the shape and size required by the drawing. CNC machine tools have better solved the problems of complex, precise, small batch and multi-variety parts processing. They are flexible and high-efficiency automated machine tools, representing the development direction of modern machine tool control technology, and are a typical mechatronics product.

[0003] However, in the prior art, the clamping device of the CNC machine tool usually utilizes two sets of clamping plates to fully fit the outer surface of the workpiece to fix the workpiece. The fixing method is relatively simple and has low firmness. In addition, since the workpiece will vibrate during machining, it is easy to cause friction between the clamping plates, which not only reduces the accuracy of workpiece machining, but also causes wear on a larger area of ​​the workpiece surface. Utility Model Content

[0004] In order to make up for the above deficiencies, the utility model provides a clamping mechanism for CNC machine tool processing that overcomes the above technical problems or at least partially solves the above problems.

[0005] The utility model is achieved in this way:

[0006] The utility model provides a clamping mechanism for CNC machine tool processing, comprising a base, a mounting seat is fixedly installed on the top of the base, a moving groove is opened on the top of the mounting seat, a moving block is slidably installed on the inner wall of the moving groove, and an adjustment mechanism is opened on the top of the base;

[0007] The clamping mechanism comprises:

[0008] A fixed plate, the fixed plate being mounted on the top of the moving block;

[0009] A support rod, wherein the support rod is fixedly mounted on the inner side of the fixing plate;

[0010] A clamping block, the clamping block being mounted on the inner side of the fixing plate;

[0011] A support groove, wherein the inner side of the support rod penetrates into the inner side of the support groove;

[0012] A spring is fixedly mounted on the inner side of the fixing plate, and one end of the spring away from the fixing plate is fixedly connected to the outer side of the clamping block.

[0013] In a preferred embodiment, the adjustment mechanism includes a fixing groove, which is opened at the top of the base and extends to the bottom of the mounting seat. A motor is fixedly installed on the inner wall of the fixing groove, and a transmission helical gear is fixedly installed on the output end of the motor. The surfaces of the transmission helical gears are meshed with driven helical gears, and a moving component is opened at the bottom of the moving groove.

[0014] In a preferred embodiment, the moving component includes a sliding groove, which is opened at the bottom of the inner wall of the moving groove, a screw is fixedly installed on the outer side of the driven bevel gear, the outer side of the screw passes through the sliding groove, the surface of the screw is threadedly connected with a screw sleeve, and a sliding block is fixedly installed on the surface of the screw sleeve, and the top of the sliding block is fixedly connected to the bottom of the moving block.

[0015] In a preferred solution, a limiting ring is fixedly installed on the inner wall of the sliding groove, and the limiting ring is sleeved on the surface of the screw.

[0016] In a preferred solution, a plug-in rod is fixedly installed on the inner side of the fixing plate, two groups of the plug-in rod are provided, and a plug-in groove is provided on the outer side of the clamping block.

[0017] In a preferred solution, a fixing disk is fixedly mounted on a side of the plug rod away from the fixing plate, a sealing ring is fixedly mounted on the surface of the fixing disk, and the surface of the sealing ring is slidably matched with the inner wall of the plug slot.

[0018] In a preferred solution, an insert block is fixedly mounted on the outer side of the fixed plate, a slot is provided on the inner side of the movable block, and the insert block is plugged into and matched with the slot.

[0019] In a preferred embodiment, a limiting groove is provided on the top of the movable block, the limiting groove penetrates into the slot and extends to the top of the insertion block, a limiting frame is inserted into the limiting groove, and an adsorption block is fixedly installed on the bottom of the limiting frame.

[0020] The utility model provides a clamping mechanism for CNC machine tool processing, and its beneficial effects include:

[0021] 1. By setting the adjusting mechanism and the clamping mechanism, it is convenient for the user to start the adjusting mechanism to drive the clamping mechanism to move, and it is convenient for the adjusting mechanism to move the clamping mechanism inward to clamp the workpiece, so that the user can use the clamping mechanism to clamp the workpiece for processing.

[0022] 2. By arranging the plug-in rod, the plug-in slot, the fixed disk and the sealing ring, the plug-in slot can be inserted into the plug-in slot after the plug-in rod is installed on the fixed plate, so that the fixed disk can be installed after the plug-in slot is inserted into the plug-in slot, thereby facilitating the installation of the sealing ring on the surface of the fixed disk, so that the sealing ring can fit with the inner wall of the plug-in slot, and the space between the fixed disk and the plug-in slot can buffer the clamping block when the clamping block is squeezed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is an overall stereogram provided by the embodiment of the utility model;

[0025] Figure 2 A schematic diagram of a three-dimensional cross-sectional structure provided for an embodiment of the utility model;

[0026] Figure 3 A schematic diagram of a three-dimensional cross-sectional structure of a moving block provided in an embodiment of the utility model;

[0027] Figure 4 The utility model embodiment provides Figure 2 The enlarged structural diagram at A in the middle;

[0028] In the figure: 1. base; 2. mounting seat; 3. moving groove; 4. moving block; 5. adjusting mechanism; 51. fixed groove; 52. motor; 53. driving bevel gear; 54. driven bevel gear; 55. moving assembly; 551. sliding groove; 552. screw; 553. screw sleeve; 554. sliding block; 6. clamping mechanism; 61. fixed plate; 62. support rod; 63. clamping block; 64. support groove; 65. spring; 7. limiting ring; 8. plug-in rod; 9. plug-in groove; 10. fixed plate; 11. sealing ring; 12. plug-in block; 13. slot; 14. limiting groove; 15. limiting frame; 16. adsorption block. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the implementation of the utility model clearer, the technical solution in the implementation of the utility model will be clearly and completely described below in conjunction with the drawings in the implementation of the utility model. Obviously, the described implementation is a part of the implementation of the utility model, not all of the implementations. Based on the implementation of the utility model, all other implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example

[0031] Reference Figure 1-Figure 4 The utility model provides a technical solution: a clamping mechanism for CNC machine tool processing, including a base 1 and a clamping mechanism 6, a mounting seat 2 is fixedly installed on the top of the base 1, a moving groove 3 is opened on the top of the mounting seat 2, a moving block 4 is slidably installed on the inner wall of the moving groove 3, and an adjusting mechanism 5 is opened on the top of the base 1, so that the base 1 can be installed on the mounting seat 2, so that the user can install the moving block 4 on the moving groove 3, and the moving seat can be installed on the clamping mechanism 6, so that the user can start the adjusting mechanism 5 and drive the clamping mechanism 6 to move, so that the user can move the clamping mechanism 6 to clamp and limit the workpiece to be clamped, so that the workpiece can be processed after clamping.

[0032] Reference Figure 1-Figure 4 In a preferred embodiment, a clamping mechanism 6 is provided, the clamping mechanism 6 includes a fixed plate 61, a support rod 62, a clamping block 63, a support groove 64 and a spring 65, the fixed plate 61 is installed on the top of the moving block 4, the support rod 62 is fixedly installed on the inner side of the fixed plate 61, the clamping block 63 is installed on the inner side of the fixed plate 61, the inner side of the support rod 62 penetrates to the inner side of the support groove 64, the spring 65 is fixedly installed on the inner side of the fixed plate 61, and one end of the spring 65 away from the fixed plate 61 is fixedly connected to the outer side of the clamping block 63, so that the fixed plate 61 can be installed on the moving block 4. The support rod 62 is installed on the block 4, so that the support rod 62 can be inserted into the support groove 64 after being installed on the fixed plate 61, so that the support rod 62 can support the clamping block 63, thereby facilitating the spring 65 to support the clamping block 63, and the clamping block 63 can be moved by the spring 65 and the support rod 62 when the movable block 4 drives the fixed plate 61 to move, so that the user can use the clamping block 63 to fit with the workpiece, so as to facilitate the workpiece to be processed after the clamping block 63 limits the workpiece, wherein the inner clamping part of the clamping block 63 is made of elastic material.

[0033] The adjusting mechanism 5 comprises a fixed groove 51, which is arranged at the top of the base 1 and extends to the bottom of the mounting seat 2. A motor 52 is fixedly installed on the inner wall of the fixed groove 51. A transmission bevel gear 53 is fixedly installed on the output end of the motor 52. The surfaces of the transmission bevel gear 53 are meshed with driven bevel gears 54. A moving assembly 55 is arranged at the bottom of the moving groove 3, which enables the motor 52 to be installed after the fixed groove 51 is opened, so that the user can start the motor 52 by powering on and driving the transmission bevel gear 53 to rotate, so that the transmission gear can drive the driven gear to rotate, so that the driven gear can drive the moving assembly 55 to rotate. The moving assembly 55 comprises a sliding groove 551, which is arranged at the bottom of the inner wall of the moving groove 3. A screw 552 is fixedly installed on the outer side of the driven bevel gear 54. The outer side of the screw 552 extends into the sliding groove 551. The surface of the screw 552 is meshed with the driven bevel gear 54. The surface is threadedly connected with a screw sleeve 553, and a sliding block 554 is fixedly installed on the surface of the screw sleeve 553. The top of the sliding block 554 is fixedly connected to the bottom of the moving block 4, so that the sliding groove 551 can be used to install the screw rod 552, so that the driven gear can drive the screw rod 552 to rotate when it rotates, so that the screw rod 552 can drive the screw sleeve 553 to move, and the screw sleeve 553 can drive the sliding block 554 to move when it moves, so that the sliding block 554 can drive the moving block 4 to move, and the moving block 4 can drive the fixed plate 61 to move, so that it is convenient to clamp the workpiece for processing. At the same time, a limiting ring 7 is fixedly installed on the inner wall of the sliding groove 551, and the limiting ring 7 is sleeved on the surface of the screw rod 552, so that the limiting ring 7 can be installed on the sliding groove 551 to limit the screw rod 552, so that the screw rod 552 can rotate to move the screw sleeve 553.

[0034] Reference Figure 1-Figure 4In a preferred embodiment, a plug-in rod 8 is fixedly installed on the inner side of the fixing plate 61, and the plug-in rod 8 is provided with two groups. A plug-in groove 9 is opened on the outer side of the clamping block 63, and a fixing disk 10 is fixedly installed on the side of the plug-in rod 8 away from the fixing plate 61. A sealing ring 11 is fixedly installed on the surface of the fixing disk 10, and the surface of the sealing ring 11 is slidably matched with the inner wall of the plug-in groove 9, so that after the plug-in rod 8 is installed on the fixing plate 61 and inserted into the plug-in groove 9, it is convenient for the plug-in rod 8 to install the fixing disk 10, thereby facilitating the installation of the sealing ring 11 by the fixing disk 10, and enabling the sealing ring 11 to seal the plug-in groove 9, so that when the clamping block 63 squeezes the workpiece, the air in the plug-in groove 9 will be squeezed, so as to facilitate the buffering of the clamping block 63. The clamping block 63 is convenient for clamping and limiting the workpiece, and an insert block 12 is fixedly installed on the outer side of the fixed plate 61, and a slot 13 is provided on the inner side of the movable block 4. The insert block 12 is plugged into the slot 13. A limiting groove 14 is provided on the top of the movable block 4. The limiting groove 14 penetrates into the slot 13 and extends to the top of the insert block 12. A limiting frame 15 is inserted into the inside of the limiting groove 14, and an adsorption block 16 is fixedly installed on the bottom of the limiting frame 15, so that the plug block installed on the fixed plate 61 can be inserted into the plug slot 9, so that the user can insert the limiting frame 15 into the limiting groove 14, so that the adsorption block 16 can adsorb the insert block 12, so that the limiting frame 15 can limit the insert block 12, and the user can install and disassemble the fixed plate 61.

[0035] Specifically, the working process or working principle of the clamping mechanism for CNC machine tool processing is as follows: when in use, the user inserts the insert block 12 into the slot 13, and then the user inserts the limit frame 15 into the limit slot 14, so as to facilitate the limiting of the insert block 12. When the user clamps the workpiece, the user starts the motor 52, so that the motor 52 drives the transmission bevel gear 53, which can make the transmission bevel gear 53 drive the driven bevel gear 54 to rotate, so that the driven bevel gear 54 drives the screw rod 552 to rotate, so that the screw rod 552 drives the screw sleeve 553 to move, so as to facilitate the rotation of the screw rod 552. The screw sleeve 553 can drive the fixed plate 61 to move through the moving block 4, and the fixed plate 61 can move the clamping block 63 through the support rod 62, the spring 65 and the plug-in rod 8, so that the clamping block 63 is in contact with the surface of the workpiece. After the clamping block 63 is in contact with the surface of the workpiece, the clamping block 63 can be squeezed and moved. When the clamping block 63 is squeezed and moved, the space between the spring 65 and the fixed disk 10 and the plug-in slot 9 can be squeezed, so that the gas is squeezed to produce an obstruction, thereby facilitating the buffering of the clamping block 63 and facilitating the clamping and limiting of the workpiece.

[0036] It should be noted that the motor 52 is a device or equipment existing in the prior art, or a device or equipment that can be realized in the prior art. Its power supply, specific composition and principle are clear to those skilled in the art, so they are not described in detail.

Claims

1. A clamping mechanism for CNC machine tool processing, comprising a base (1), a mounting seat (2) fixedly mounted on the top of the base (1), a moving groove (3) formed on the top of the mounting seat (2), a moving block (4) slidably mounted on the inner wall of the moving groove (3), characterized in that; An adjustment mechanism (5) is provided on the top of the base (1); A clamping mechanism (6), the clamping mechanism (6) comprising: A fixed plate (61), the fixed plate (61) being mounted on the top of the moving block (4); A support rod (62), wherein the support rod (62) is fixedly mounted on the inner side of the fixing plate (61); A clamping block (63), wherein the clamping block (63) is mounted on the inner side of the fixing plate (61); A support groove (64), wherein the inner side of the support rod (62) penetrates into the inner side of the support groove (64); A spring (65) is fixedly mounted on the inner side of the fixing plate (61), and one end of the spring (65) away from the fixing plate (61) is fixedly connected to the outer side of the clamping block (63).

2. A clamping mechanism for CNC machine tool processing according to claim 1, characterized in that: The adjusting mechanism (5) comprises a fixing groove (51), the fixing groove (51) being provided at the top of the base (1), the fixing groove (51) penetrating to the bottom of the mounting seat (2), a motor (52) being fixedly mounted on the inner wall of the fixing groove (51), a transmission bevel gear (53) being fixedly mounted on the output end of the motor (52), the surfaces of the transmission bevel gear (53) being meshed with driven bevel gears (54), and a moving assembly (55) being provided at the bottom of the moving groove (3).

3. A clamping mechanism for CNC machine tool processing according to claim 2, characterized in that: The moving component (55) comprises a sliding groove (551), wherein the sliding groove (551) is provided at the bottom of the inner wall of the moving groove (3), a screw rod (552) is fixedly mounted on the outer side of the driven helical tooth (54), the outer side of the screw rod (552) penetrates into the sliding groove (551), a threaded sleeve (553) is threadedly connected to the surface of the screw rod (552), a sliding block (554) is fixedly mounted on the surface of the screw sleeve (553), and the top of the sliding block (554) is fixedly connected to the bottom of the moving block (4).

4. A clamping mechanism for CNC machine tool processing according to claim 3, characterized in that: A limiting ring (7) is fixedly mounted on the inner wall of the sliding groove (551), and the limiting ring (7) is sleeved on the surface of the screw rod (552).

5. The clamping mechanism for CNC machine tool processing according to claim 1, characterized in that: A plug-in rod (8) is fixedly mounted on the inner side of the fixing plate (61), and two groups of the plug-in rods (8) are provided. A plug-in groove (9) is provided on the outer side of the clamping block (63).

6. The clamping mechanism for CNC machine tool processing according to claim 5, characterized in that: A fixing plate (10) is fixedly mounted on the side of the plug rod (8) away from the fixing plate (61), a sealing ring (11) is fixedly mounted on the surface of the fixing plate (10), and the surface of the sealing ring (11) is slidably matched with the inner wall of the plug groove (9).

7. The clamping mechanism for CNC machine tool processing according to claim 1, characterized in that: An insert block (12) is fixedly mounted on the outer side of the fixed plate (61), a slot (13) is provided on the inner side of the movable block (4), and the insert block (12) is plugged into and matched with the slot (13).

8. The clamping mechanism for CNC machine tool processing according to claim 7, characterized in that: A limiting groove (14) is provided on the top of the moving block (4), the limiting groove (14) penetrates into the slot (13) and extends to the top of the insert block (12), a limiting frame (15) is inserted into the interior of the limiting groove (14), and an adsorption block (16) is fixedly installed at the bottom of the limiting frame (15).