Quick loosening and tightening clamp for numerical control machine tool

By designing rotary components and fixture heads on CNC machine tools, the rapid positioning and clamping of workpieces are achieved, solving the problem of inconvenient positioning of workpieces in the prior art and improving machining efficiency.

CN222660792UActive Publication Date: 2025-03-25DONGGUAN YILISHA HARDWARE PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202420258329.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-02
Publication Date
2025-03-25
Estimated Expiration
2034-02-02

AI Technical Summary

Technical Problem

The fast elastic fixture of existing CNC machine tools requires manual operation, which leads to inconvenient positioning of the workpiece and reduces machining efficiency.

Method used

A fast elastic clamp of CNC machine tool is designed, using rotating components and fixture heads to achieve rapid positioning and clamping of workpieces through components such as reducer motors, driving shafts and worms.

Benefits of technology

The fixture can quickly position and clamp the workpiece through the provided end-face positioning members and side positioning members, thereby improving processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a numerical control machine tool fast loosening and tightening clamp which comprises a first fixing block, a top plate is fixedly installed on the outer surface of the upper end of the first fixing block, an installation groove is formed in one side of the outer surface of the upper end of the first fixing block, and a clamp head is arranged in the installation groove. A rotating assembly is mounted on one side of the outer surface of one end of the first fixing block, a mounting cavity is formed in the first fixing block, the rotating assembly comprises a gear motor, a driving shaft and a worm, a driven shaft is arranged on the lower portion of the clamp head, and the clamp head is fixedly connected with the outer wall of the middle of the driven shaft. A worm wheel is fixedly installed on the outer surface of one end of the driven shaft, an end face positioning piece is fixedly installed in the middle of one end of the outer surface of the upper end of the top plate, and side face positioning pieces are fixedly installed on the left side and the right side of one side of the outer surface of the upper end of the top plate. The quick loosening and tightening clamp for the numerical control machine tool has the advantages that a workpiece can be quickly positioned and limited conveniently, and the machining efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of machine tool quick clamps, in particular to a CNC machine tool quick loosening and tightening clamp. Background Art

[0002] A fixture is a device used to fix the object to be processed during the mechanical manufacturing process so that it occupies the correct position to receive processing.

[0003] In the prior art, the quick release and tightening clamps of CNC machine tools are generally fixed by traditional vise clamps, which require manual operation, are not convenient for quickly positioning the position of the workpiece, reduce the processing efficiency, and bring certain adverse effects to people's use process. Therefore, we propose a quick release and tightening clamp for CNC machine tools. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a quick tensioning clamp for a CNC machine tool, which is convenient for quickly positioning and limiting a workpiece, improves processing efficiency, and can effectively solve the problems in the background technology.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a quick loosening and tightening clamp for a CNC machine tool, comprising a first fixed block, a top plate is fixedly installed on the outer surface of the upper end of the first fixed block, a mounting groove is provided on one side of the outer surface of the upper end of the first fixed block, a clamp head is arranged in the mounting groove, a rotating component is installed on one side of the outer surface of one end of the first fixed block, a mounting cavity is arranged inside the first fixed block, and the rotating component comprises a reduction motor, a driving shaft and a worm, a driven shaft is arranged at the lower part of the clamp head, the clamp head is fixedly connected to the outer wall of the middle part of the driven shaft, a worm wheel is fixedly installed on the outer surface of one end of the driven shaft, an end face locating piece is fixedly installed in the middle part of one end of the outer surface of the upper end of the top plate, and side locating pieces are fixedly installed on the left and right sides of one side of the outer surface of the upper end of the top plate, the end face locating piece and the side locating piece have the same composition structure, and the end face locating piece and the side locating piece both comprise a second fixed block, an internal thread, a locating pin and an external thread, the worm wheel is located in the mounting cavity, and a support rod is fixedly installed at one end of the bottom of the mounting cavity.

[0008] Preferably, the lower outer surface of the second fixing block is fixedly connected to the upper outer surface of the top plate, the internal thread is provided on the upper part of the outer surface of one side of the second fixing block, and the external thread is provided on the outer wall of one end of the positioning pin.

[0009] Preferably, the positioning pin is threadably connected to the internal thread via an external thread.

[0010] Preferably, the reduction motor is fixedly mounted on one side of the outer surface of one end of the first fixed block, the driving shaft is connected to the outer surface of one end of the output shaft in the reduction motor, and the worm is fixedly mounted on the outer wall of the middle part of the driving shaft.

[0011] Preferably, the worm is located on the lower outer surface of the worm wheel, and the upper outer surface of the worm is meshed with the lower outer surface of the worm wheel.

[0012] Preferably, a sealed bearing is arranged between the driven shaft and the first fixed block, and the driven shaft is rotatably connected to the first fixed block through the sealed bearing. A sealed bearing is arranged between the driving shaft and the first fixed block, and the driving shaft is rotatably connected to the first fixed block through the sealed bearing. A coupling is arranged between the driving shaft and the reduction motor, and the outer surface of one end of the driving shaft is fixedly connected to the outer surface of one end of the output shaft in the reduction motor through the coupling.

[0013] (III) Beneficial effects

[0014] Compared with the prior art, the utility model provides a CNC machine tool quick release clamp, which has the following beneficial effects:

[0015] 1. This CNC machine tool quick release clamp facilitates quick positioning of a workpiece by means of an end face positioning piece and a side positioning piece.

[0016] 2. This CNC machine tool quick release clamp facilitates quick clamping and fixing of the workpiece through the provided rotating assembly and clamp head. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a quick tensioning clamp for a CNC machine tool.

[0018] Figure 2 The utility model is a structural schematic diagram of a first fixing block in a quick tensioning clamp for a CNC machine tool.

[0019] Figure 3 The utility model is a structural schematic diagram of a clamp head in a quick tension clamp for a CNC machine tool.

[0020] Figure 4 The utility model is a partial side view of a rotating component in a quick release clamp of a CNC machine tool.

[0021] Figure 5 The utility model is a schematic diagram of the structure of an end face positioning member and a side positioning member in a quick tensioning clamp for a CNC machine tool.

[0022] In the figure: 1. first fixed block; 2. top plate; 3. rotating assembly; 4. fixture head; 5. end face positioning piece; 6. side positioning piece; 7. mounting groove; 8. mounting cavity; 9. support rod; 10. driven shaft; 12. worm gear; 13. reduction motor; 14. driving shaft; 15. worm; 16. second fixed block; 17. internal thread; 18. positioning pin; 19. external thread. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] This embodiment is a quick release clamp for a numerically controlled machine tool.

[0025] like Figure 1-5 As shown, it includes a first fixed block 1, a top plate 2 is fixedly installed on the outer surface of the upper end of the first fixed block 1, a mounting groove 7 is opened on one side of the outer surface of the upper end of the first fixed block 1, a fixture head 4 is arranged in the mounting groove 7, a rotating component 3 is installed on one side of the outer surface of one end of the first fixed block 1, a mounting cavity 8 is opened inside the first fixed block 1, the rotating component 3 includes a reduction motor 13, a driving shaft 14 and a worm 15, a driven shaft 10 is arranged at the lower part of the fixture head 4, and the fixture head 4 is fixedly connected to the outer wall of the middle part of the driven shaft 10 A worm gear 12 is fixedly installed on the outer surface of one end of the driven shaft 10, an end face positioning member 5 is fixedly installed in the middle of the outer surface of the upper end of the top plate 2, and side positioning members 6 are fixedly installed on the left and right sides of one side of the outer surface of the upper end of the top plate 2. The end face positioning member 5 and the side positioning member 6 have the same composition structure. The end face positioning member 5 and the side positioning member 6 both include a second fixed block 16, an internal thread 17, a positioning pin 18 and an external thread 19. The worm gear 12 is located in the installation cavity 8, and a support rod 9 is fixedly installed at one end of the bottom of the installation cavity 8.

[0026] The outer surface of the lower end of the second fixed block 16 is fixedly connected to the outer surface of the upper end of the top plate 2, the internal thread 17 is provided on the upper part of the outer surface of one side of the second fixed block 16, and the external thread 19 is provided on the outer wall of one end of the positioning pin 18; the positioning pin 18 is threadedly connected with the internal thread 17 through the external thread 19; the reduction motor 13 is fixedly installed on one side of the outer surface of one end of the first fixed block 1, the driving shaft 14 is connected to the outer surface of one end of the output shaft in the reduction motor 13, and the worm 15 is fixedly installed on the outer wall of the middle part of the driving shaft 14; the worm 15 is located at the outer surface of the lower end of the worm wheel 12 surface, and the upper outer surface of the worm 15 is meshed with the lower outer surface of the worm wheel 12; a sealed bearing is arranged between the driven shaft 10 and the first fixed block 1, and the driven shaft 10 is rotatably connected to the first fixed block 1 through the sealed bearing, a sealed bearing is arranged between the driving shaft 14 and the first fixed block 1, and the driving shaft 14 is rotatably connected to the first fixed block 1 through the sealed bearing, a coupling is arranged between the driving shaft 14 and the reduction motor 13, and the outer surface of one end of the driving shaft 14 is fixedly connected to the outer surface of one end of the output shaft in the reduction motor 13 through the coupling.

[0027] It should be noted that the utility model is a quick loosening and tightening clamp for CNC machine tools, wherein the workpiece is placed on the outer surface of the upper end of the top plate 2, and an end face positioning member 5 and a side positioning member 6 are provided. One end of the workpiece is positioned by the end face positioning member 5, and one side of the workpiece is against the positioning pin 18 in the side positioning member 6, and is positioned by the side positioning member 6. The end face positioning member 5 and the side positioning member 6 provided are convenient for quickly positioning the workpiece, and the efficiency of clamping is improved. The positioning pin 18 is threadedly connected with the internal thread 17 through the support rod 9, which is convenient for disassembling the positioning pin 18; the workpiece is placed on the outer surface of the upper end of the top plate 2, and the operation of the reduction motor 13 drives the driving shaft 14 to rotate, and the driving shaft 14 drives the worm 15 to rotate, and the worm 15 drives the driven shaft 10 to rotate through the worm gear 12, and the driven shaft 10 drives the clamp head 4 to rotate, and the clamp head 4 clamps and fixes the workpiece, and the worm 15 and the worm gear 12 have a self-locking effect, thereby improving stability.

[0028] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used 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", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A quick release clamp for a CNC machine tool, comprising a first fixing block (1), characterized in that: A top plate (2) is fixedly mounted on the outer surface of the upper end of the first fixed block (1); a mounting groove (7) is provided on one side of the outer surface of the upper end of the first fixed block (1); a fixture head (4) is arranged in the mounting groove (7); a rotating assembly (3) is mounted on one side of the outer surface of one end of the first fixed block (1); a mounting cavity (8) is provided inside the first fixed block (1); the rotating assembly (3) comprises a reduction motor (13), a driving shaft (14) and a worm (15); a driven shaft (10) is arranged at the lower part of the fixture head (4); the fixture head (4) is fixedly connected to the outer wall of the middle part of the driven shaft (10); A worm gear (12) is fixedly mounted on the outer surface of one end of the shaft (10); an end face positioning member (5) is fixedly mounted in the middle of the outer surface of the upper end of the top plate (2); side positioning members (6) are fixedly mounted on the left and right sides of one side of the outer surface of the upper end of the top plate (2); the end face positioning member (5) and the side positioning member (6) have the same composition structure; the end face positioning member (5) and the side positioning member (6) both include a second fixing block (16), an internal thread (17), a positioning pin (18) and an external thread (19); the worm gear (12) is located in the installation cavity (8); a support rod (9) is fixedly mounted at one end of the bottom of the installation cavity (8).

2. A CNC machine tool quick release clamp according to claim 1, characterized in that: The lower outer surface of the second fixing block (16) is fixedly connected to the upper outer surface of the top plate (2), the internal thread (17) is provided on the upper part of the outer surface of one side of the second fixing block (16), and the external thread (19) is provided on the outer wall of one end of the positioning pin (18).

3. A quick release clamp for CNC machine tools according to claim 2, characterized in that: The positioning pin (18) is threadedly connected to the internal thread (17) via an external thread (19).

4. A quick release clamp for CNC machine tools according to claim 3, characterized in that: The reduction motor (13) is fixedly mounted on one side of the outer surface of one end of the first fixed block (1), the driving shaft (14) is connected to the outer surface of one end of the output shaft in the reduction motor (13), and the worm (15) is fixedly mounted on the outer wall of the middle part of the driving shaft (14).

5. The quick release clamp for CNC machine tools according to claim 4, characterized in that: The worm (15) is located on the lower outer surface of the worm wheel (12), and the upper outer surface of the worm (15) and the lower outer surface of the worm wheel (12) are meshed with each other.

6. A quick release clamp for CNC machine tools according to claim 5, characterized in that: A sealed bearing is provided between the driven shaft (10) and the first fixed block (1), and the driven shaft (10) is rotatably connected to the first fixed block (1) via the sealed bearing. A sealed bearing is provided between the driving shaft (14) and the first fixed block (1), and the driving shaft (14) is rotatably connected to the first fixed block (1) via the sealed bearing. A coupling is provided between the driving shaft (14) and the reduction motor (13), and an outer surface of one end of the driving shaft (14) is fixedly connected to an outer surface of one end of an output shaft in the reduction motor (13) via the coupling.