Tool clamping claw structure for tool magazine of numerical control machine tool

Abstract

The utility model discloses a tool clamping claw structure for a tool magazine of a numerical control machine tool, which comprises a tool clamping claw main body, the end part of the tool clamping claw main body is of an arc-shaped concave structure, and a plurality of groups of threaded holes are formed in the surface of the tool clamping claw main body. Under the arrangement of the positioning pin, the mounting direction of the cutter main body can be positioned, a user can quickly mount the cutter main body, when the cutter needs to be mounted, the cutter main body and the cutter clamping block are attached together, then the cutter main body is pushed, the cutter main body enters along the guide inclined plane of the cutter clamping block, and the cutter main body can be quickly mounted. The cutter body enables the cutter clamping block and the cutter clamping spring piece to move downwards, under the arrangement of the cutter clamping spring piece, the cutter clamping spring piece resets after the cutter body is installed in place, the cutter body is clamped by the cutter clamping block, convenient installation of the cutter body is achieved, and meanwhile follow-up replacement or maintenance of the cutter body is facilitated. The tool chain structure can be fixed, and overturning torque generated by a heavy tool is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field related to numerical control machine tools, in particular to a tool magazine clamping tool claw structure for numerical control machine tools. Background Art

[0002] CNC machine tools are an efficient and precise processing method with a wide range of applications and an important market position. When performing processing, CNC machine tools need to be equipped with corresponding tools. The stability of the tools affects the processing of CNC machine tools. Therefore, a tool claw structure for the tool magazine of CNC machine tools is needed to clamp the tools.

[0003] The existing technology has the following deficiencies: when the existing CNC machine tools clamp the tool, most of them use a bolt structure to clamp and limit the tool, but when changing the tool or performing maintenance, the user needs to perform relatively cumbersome operation steps, which is relatively troublesome. At the same time, when clamping heavy tools, the clamping effect is poor. Utility Model Content

[0004] The purpose of the utility model is to provide a tool magazine clamping claw structure for a CNC machine tool to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tool clamping claw structure for a tool magazine of a CNC machine tool, comprising a tool clamping claw main body, the end of the tool clamping claw main body is an arc-shaped concave structure, a plurality of groups of threaded holes are provided on the surface of the tool clamping claw main body, a tool clamping assembly is installed under the tool clamping claw main body, and the tool clamping assembly can limit and fix the tool body.

[0006] As a further preferred embodiment of the present technical solution, the knife clamping assembly includes a knife clamping spring sheet, two groups of knife clamping blocks, a positioning pin, a knife sleeve, an upper roller, a shaft sleeve and a lower roller. The knife clamping spring sheet is arranged at the bottom of the knife clamping claw body, and the two groups of knife clamping blocks are symmetrically installed on the top of one end of the knife clamping spring sheet. The positioning pin is installed through one end of the knife clamping claw body, and the knife sleeve is installed at the bottom of the knife clamping claw body by a bolt. The upper roller is installed on the top of the knife sleeve, the shaft sleeve is embedded in the knife sleeve, and the lower roller is installed at the bottom of the knife sleeve.

[0007] As a further preferred embodiment of the present technical solution, the knife clamping assembly also includes two groups of roller shafts, side rollers, a No. 1 retaining spring, a first gasket, a second gasket and a No. 2 retaining spring. The two groups of roller shafts are installed in the knife sleeve, the side roller sleeve is installed on the outside of one end of the roller shaft, the No. 1 retaining spring sleeve is installed on the outside of the roller shaft, the first gasket sleeve is installed on the outside of one end of the roller shaft, the second gasket sleeve is installed on the outside of the other end of the roller shaft, and the No. 2 retaining spring sleeve is installed on the outside of the roller shaft.

[0008] As a further preferred embodiment of the present technical solution, a tool body is installed at one end of the tool clamping claw body, and the tool body is arranged corresponding to the tool clamping block and the positioning pin.

[0009] As a further preferred embodiment of the present technical solution, the knife clamping spring piece is in a U-shaped structure as a whole, and the surface portion of the knife clamping block is arranged in an inclined surface.

[0010] As a further preferred embodiment of the present technical solution, the first gasket is located between the No. 1 retaining spring and the knife sleeve, and the second gasket is located between the No. 2 retaining spring and the knife sleeve.

[0011] The utility model provides a tool magazine clamping claw structure for a CNC machine tool, which has the following beneficial effects:

[0012] The utility model can position the installation direction of the tool body under the setting of the positioning pin, which is beneficial for the user to quickly install the tool body. When the tool needs to be installed, the tool body is fitted together with the knife block, and then the tool body is pushed. The tool body enters along the guide inclined surface of the knife block, and the tool body causes the knife block and the knife spring piece to move downward. Under the setting of the knife spring piece, after installation, the knife spring piece is reset and the knife block clamps the tool body, realizing convenient installation of the tool body and facilitating subsequent replacement or maintenance of the tool body. Under the setting of the upper roller, the lower roller and the two sets of side rollers, the knife chain structure can be fixed to prevent the heavy knife from generating overturning torque. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall side structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the overall side structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the overall cross-sectional structure of the present utility model.

[0017] In the figure: 1. Knife clamping claw body; 2. Knife clamping spring sheet; 3. Knife clamping block; 4. Positioning pin; 5. Knife sleeve; 6. Upper roller; 7. Roller shaft; 8. Side roller; 9. No. 1 retaining spring; 10. First gasket; 11. Tool body; 12. Shaft sleeve; 13. Lower roller; 14. Second gasket; 15. No. 2 retaining spring. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0019] The utility model provides technical scheme: such as Figure 1 And Figure 4 As shown in the figure, in the embodiment, a tool magazine clamping jaw structure for a numerical control machine tool comprises a clamping jaw main body 1, the end of the clamping jaw main body 1 is arc-shaped and recessed, a plurality of threaded holes are formed on the surface of the clamping jaw main body 1, a clamping tool assembly is installed below the clamping jaw main body 1, the clamping tool assembly can limit and clamp the tool main body 11, the clamping tool assembly comprises a clamping tool spring piece 2, two clamping tool blocks 3, a positioning pin 4, a tool sleeve 5, an upper roller 6, a shaft sleeve 12, a lower roller 13, two roller shafts 7, a side roller 8, a No. 1 clamping spring 9, a first gasket 10, a second gasket 14 and a No. 2 clamping spring 15, the clamping tool spring piece 2 is arranged at the bottom of the clamping jaw main body 1, the two clamping tool blocks 3 are symmetrically installed at the top of one end of the clamping tool spring piece 2, the positioning pin 4 is installed at one end of the clamping jaw main body 1, the tool sleeve 5 is installed at the bottom of the clamping jaw main body 1 through bolts, the upper roller 6 is installed at the top of the tool sleeve 5, the shaft sleeve 12 is embedded in the tool sleeve 5, the lower roller 13 is installed at the bottom of the tool sleeve 5, the two roller shafts 7 are installed in the tool sleeve 5, the side roller 8 is installed outside one end of the roller shaft 7, the No. 1 clamping spring 9 is installed outside the roller shaft 7, the first gasket 10 is installed outside one end of the roller shaft 7, the second gasket 14 is installed outside the other end of the roller shaft 7, and the No. 2 clamping spring 15 is installed outside the roller shaft 7, one end of the clamping jaw main body 1 is provided with the tool main body 11, the tool main body 11 is correspondingly arranged with the clamping tool block 3 and the positioning pin 4, the clamping tool spring piece 2 has a U-shaped structure as a whole, the surface of the clamping tool block 3 is partially provided with an inclined surface, the first gasket 10 is located between the No. 1 clamping spring 9 and the tool sleeve 5, the second gasket 14 is located between the No. 2 clamping spring 15 and the tool sleeve 5, and the installation direction of the tool main body 11 can be positioned under the arrangement of the positioning pin 4, which is beneficial to the quick installation of the tool main body 11 by the user, when the tool needs to be installed, the tool main body 11 is attached to the clamping tool block 3, then the tool main body 11 is pushed, the tool main body 11 enters along the guide inclined surface of the clamping tool block 3, the tool main body 11 causes the clamping tool block 3 and the clamping tool spring piece 2 to move downward, after installation, the clamping tool spring piece 2 resets, the clamping tool block 3 clamps the tool main body 11, the tool main body 11 is conveniently installed, and the tool main body 11 is convenient to replace or maintain subsequently, the tool chain structure can be fixed under the arrangement of the upper roller 6, the lower roller 13 and the two side rollers 8, and the overturning torque of the heavy tool can be prevented.

[0020] The utility model provides a kind of tool magazine clamping jaw structure for numerical control machine tool, specific working principle as follows:

[0021] When the tool clamping jaw structure is used, the positioning direction of the tool body 11 can be positioned under the setting of the positioning pin 4, which is beneficial for the user to quickly install the tool body 11. When the tool needs to be installed, the tool body 11 is attached to the tool clamping block 3, then the tool body 11 is pushed in along the guide inclined surface of the tool clamping block 3, the tool body 11 causes the tool clamping block 3 and the tool clamping spring plate 2 to move downward, under the setting of the tool clamping spring plate 2, the tool clamping spring plate 2 resets after installation, the tool clamping block 3 clamps the tool body 11, realizing convenient installation of the tool body 11, and facilitating subsequent replacement or maintenance of the tool body 11. Under the setting of the upper roller 6, the lower roller 13 and the two groups of side rollers 8, the tool chain structure can be fixed to prevent the heavy tool from generating overturning torque.

[0022] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tool magazine clamping claw structure for a CNC machine tool, characterized in that: It comprises a knife clamping claw body (1), the end of the knife clamping claw body (1) is an arc-shaped concave structure, a plurality of threaded holes are provided on the surface of the knife clamping claw body (1), and a knife clamping assembly is installed below the knife clamping claw body (1), and the knife clamping assembly can limit and fix the tool body (11); The knife clamping assembly comprises a knife clamping spring sheet (2), two groups of knife clamping blocks (3), a positioning pin (4), a knife sleeve (5), an upper roller (6), a shaft sleeve (12) and a lower roller (13), wherein the knife clamping spring sheet (2) is arranged at the bottom of the knife clamping claw body (1), the two groups of knife clamping blocks (3) are symmetrically mounted on the top of one end of the knife clamping spring sheet (2), the positioning pin (4) is penetrated and mounted on one end of the knife clamping claw body (1), the knife sleeve (5) is mounted on the bottom of the knife clamping claw body (1) by means of bolts, the upper roller (6) is mounted on the top of the knife sleeve (5), the shaft sleeve (12) is embedded in the knife sleeve (5), and the lower roller (13) is mounted on the bottom of the knife sleeve (5); The knife clamping assembly further comprises two groups of roller shafts (7), side rollers (8), a No. 1 retaining spring (9), a first gasket (10), a second gasket (14) and a No. 2 retaining spring (15). The two groups of roller shafts (7) are installed in the knife sleeve (5), the side rollers (8) are installed on the outside of one end of the roller shaft (7), the No. 1 retaining spring (9) is installed on the outside of the roller shaft (7), the first gasket (10) is installed on the outside of one end of the roller shaft (7), the second gasket (14) is installed on the outside of the other end of the roller shaft (7), and the No. 2 retaining spring (15) is installed on the outside of the roller shaft (7).

2. The tool magazine clamping claw structure for a CNC machine tool according to claim 1, characterized in that: A tool body (11) is mounted on one end of the tool clamping claw body (1), and the tool body (11) is arranged correspondingly to the tool clamping block (3) and the positioning pin (4).

3. The tool magazine clamping claw structure for a CNC machine tool according to claim 1, characterized in that: The knife clamping spring piece (2) is in a U-shaped structure as a whole, and the surface portion of the knife clamping block (3) is arranged in an inclined surface.

4. The tool magazine clamping claw structure for a CNC machine tool according to claim 1, characterized in that: The first gasket (10) is located between the No. 1 retaining spring (9) and the knife sleeve (5), and the second gasket (14) is located between the No. 2 retaining spring (15) and the knife sleeve (5).

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