Metal cutting machine tool

Abstract

The utility model discloses a metal cutting machine tool and belongs to the technical field of machine tools, the metal cutting machine tool comprises a machine tool body and a machine tool clamp installed on the machine tool body, a clamping cavity is formed in the center of the machine tool clamp, and a plurality of clamping blocks are installed on the side wall of the machine tool clamp in an annular array in an embedded mode. A mounting groove is formed in the inner wall of the clamping block, a rotating rod is detachably mounted in the mounting groove, a mounting hole and a positioning hole are formed in the two sides of the inner wall of the mounting groove respectively, a positioning rod clamped with the positioning hole is elastically arranged at one end of the rotating rod, and a mounting rod inserted into the mounting hole in a matched mode is fixed to the other end of the rotating rod. According to the metal cutting machine tool, the rotating rods with the clamping plates in different shapes are convenient to replace and mount, the metal cutting machine tool is suitable for clamping and fixing workpieces in different sizes, and the workpiece clamping stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of processing machine tools, and in particular relates to a metal cutting processing machine tool. Background Art

[0002] The three-jaw chuck is a machine tool accessory that utilizes the radial movement of three movable jaws evenly distributed on the chuck body to clamp and position the workpiece. With the development of society and the advancement of science and technology, the existing three-jaw chuck can no longer meet people's needs. It is inconvenient to clamp special-shaped workpieces and cannot be changed according to the shape of the workpiece. After a long period of processing, the workpiece and the fixture become loose, making it difficult to ensure firmness.

[0003] The patent with application number 202321250693.0 discloses a metal part clamping device for metal cutting machine tools, which relates to the field of metal processing equipment, including a connecting rod and a chuck fixedly connected to the output shaft of the machine tool, the connecting rod is fixedly connected to the chuck, and a chuck is movably connected inside the chuck, and a plurality of movable rods for clamping the workpiece are evenly distributed on the chuck, one end of the movable rod passes through the outer surface of the chuck, and a clamping plate is provided at the end of the movable rod away from the chuck, two opposite mounting grooves are provided on one side of the clamping plate, and a movable clamp is hinged in the mounting groove, when the chuck is rotated, a plurality of movable rods will move in the chuck, and the workpiece will be clamped by the movable clamp at one end of the plurality of movable rods, and since one end of the movable clamp is hinged in the mounting groove and can be movable, it is convenient to clamp special-shaped workpieces.

[0004] The above technical solution uses a rotatable movable clamp to adjust the chuck angle on the machine tool. However, since the clamping plate on the movable clamp is an arc-shaped structure, the contact area of ​​the arc-shaped clamping plate is small when clamping the horizontal parts, and the clamping stability is poor, resulting in poor stability of the processing machine tool for clamping workpieces of different shapes. Utility Model Content

[0005] (1) Technical issues to be resolved

[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a metal cutting machine tool, which aims to solve the technical problem that the arc-shaped clamping plate on the movable clamp in the prior art has a small contact area when clamping the horizontal parts, and the clamping stability is poor, resulting in poor stability of the processing machine tool in clamping workpieces of different shapes.

[0007] (2) Technical solution

[0008] In order to solve the above technical problems, the utility model provides a metal cutting machine tool, which includes a machine tool body and a machine tool fixture installed on the machine tool body, a clamping cavity is opened at the center position of the machine tool fixture, and a plurality of clamping blocks are embedded and installed in a circular array on the side wall of the machine tool fixture, an installation groove is opened on the inner wall of the clamping block, a rotating rod is detachably installed in the installation groove, and an installation hole and a positioning hole are respectively opened on both sides of the inner wall of the installation groove, a positioning rod elastically arranged at one end of the rotating rod and clamped with the positioning hole, and a mounting rod is fixed to the other end of the rotating rod and is matched and inserted in the installation hole.

[0009] When using the metal cutting processing machine tool of the present technical scheme, a rotating rod is arranged in the installation groove, and the rotating rod rotates in the installation groove through the positioning rod and the installation rod, and the angle of the clamping plate is adjusted during the rotation, and a telescopic groove is opened on the side wall of the rotating rod, and the mounting rod at one end of the rotating rod is inserted into the mounting hole, and the spring at the other end of the rotating rod pushes the positioning rod to be inserted into the positioning hole and abuts against the side wall of the button, so that the rotating rod is rotatably installed in the installation groove. When clamping workpieces of different sizes, the button is squeezed to push the positioning rod out of the positioning hole, and the rotating rod is pulled to move horizontally in the installation groove, and the mounting rod is separated from the mounting hole during the movement, and the rotating rod is removed from the installation groove after the mounting rod and the positioning rod are separated, which is convenient for replacing and installing rotating rods with clamps of different shapes, suitable for clamping and fixing workpieces of different sizes, and improves the stability of workpiece clamping.

[0010] Preferably, the side wall of the machine tool fixture is provided with a plurality of slide grooves communicated with the clamping cavity, and the clamping block is slidably inserted in the slide grooves.

[0011] Furthermore, the outer wall of the machine tool clamp is rotatably mounted with adjusting bolts in a circular array, and the adjusting bolts drive the multiple clamping blocks to slide.

[0012] Furthermore, a clamping plate is fixed to one end of the rotating rod extending into the clamping cavity, and a plurality of anti-slip teeth are provided on the inner wall of the clamping plate.

[0013] Furthermore, a button is protruding from the side wall of the clamping block, and the button is slidably inserted in the positioning hole.

[0014] Furthermore, one end of the mounting rod extending into the positioning hole abuts against a button, and the button is snap-fitted with an inner wall of the positioning hole.

[0015] Furthermore, a telescopic groove is provided on the side wall of the rotating rod, a spring is embedded in the telescopic groove, and the positioning rod is slidably inserted in the telescopic groove.

[0016] A mounting shaft is fixed to the side wall of the machine tool fixture, and an axial positioning groove is formed on the outer wall of the mounting shaft.

[0017] (3) Beneficial effects

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model discloses a rotating rod is rotatably arranged in the installation groove, and the rotating rod rotates in the installation groove through the positioning rod and the installation rod, and the angle of the clamping plate is adjusted during the rotation, and a telescopic slot is opened in the side wall of the rotating rod, and the mounting rod at one end of the rotating rod is inserted into the mounting hole, and a spring at the other end of the rotating rod pushes the positioning rod to be inserted into the positioning hole and abuts against the side wall of the button, so that the rotating rod is rotatably installed in the installation groove. When clamping workpieces of different sizes, the button is squeezed to push the positioning rod to move out of the positioning hole, and the rotating rod is pulled to move horizontally in the installation groove, and the mounting rod is separated from the mounting hole during the movement, and the rotating rod is removed from the installation groove after the mounting rod and the positioning rod are separated, which is convenient for replacing and installing the rotating rod with clamping plates of different shapes, is suitable for clamping and fixing workpieces of different sizes, and improves the stability of workpiece clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the machine tool fixture of the utility model;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of the clamping block of the utility model;

[0024] Figure 4 For the utility model Figure 3 A schematic diagram of the structure enlargement in the middle;

[0025] Figure 5 For the utility model Figure 3 Enlarged schematic diagram of the structure at point B in the middle.

[0026] The markings in the attached drawings are: 1. Machine tool body; 2. Machine tool fixture; 3. Axial positioning groove; 4. Mounting shaft; 5. Adjusting bolt; 6. Slide groove; 7. Clamping block; 8. Clamping cavity; 9. Clamping plate; 10. Anti-slip teeth; 11. Mounting groove; 12. Rotating rod; 13. Spring; 14. Telescopic groove; 15. Positioning rod; 16. Positioning hole; 17. Button; 18. Mounting hole; 19. Mounting rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] This specific implementation is a metal cutting machine tool, and its structural schematic diagram is as follows Figure 1 , Figure 2 and Figure 3 As shown, the metal cutting machine tool includes a machine tool body 1 and a machine tool fixture 2 installed on the machine tool body 1, a clamping cavity 8 is opened at the center position of the machine tool fixture 2, and a plurality of clamping blocks 7 are embedded and installed in a circular array on the side wall of the machine tool fixture 2, a mounting groove 11 is opened on the inner wall of the clamping block 7, a rotating rod 12 is detachably installed in the mounting groove 11, and a mounting hole 18 and a positioning hole 16 are respectively opened on both sides of the inner wall of the mounting groove 11, a positioning rod 15 that is clamped with the positioning hole 16 is elastically provided at one end of the rotating rod 12, and a mounting rod 19 that is fitted and inserted in the mounting hole 18 is fixed at the other end of the rotating rod 12.

[0029] The side wall of the machine tool fixture 2 is provided with a plurality of slide grooves 6 connected with the clamping cavity 8, and the clamping block 7 is slidably inserted in the slide groove 6. The outer wall of the machine tool clamp is rotatably installed with adjusting bolts 5 in a circular array, and the plurality of clamping blocks 7 are driven to slide through the adjusting bolts 5. A clamping plate 9 is fixed at one end of the rotating rod 12 extending into the clamping cavity 8, and a plurality of anti-slip teeth 10 are provided on the inner wall of the clamping plate 9. The rotating rod 12 rotates in the mounting groove 11 through the positioning rod 15 and the mounting rod 19, and the angle of the clamping plate 9 is adjusted during the rotation. A mounting shaft 4 is fixed to the side wall of the machine tool fixture 2, and an axial positioning groove 3 is provided on the outer wall of the mounting shaft 4.

[0030] like Figure 4 and Figure 5As shown, the side wall of the clamping block 7 is protrudingly provided with a button 17, the button 17 is slidably inserted in the positioning hole 16, the end of the mounting rod 19 extending into the positioning hole 16 abuts against the button 17, the button 17 is clamped with the inner wall of the positioning hole 16, the side wall of the rotating rod 12 is provided with a telescopic groove 14, the telescopic groove 14 is embedded with a spring 13, the positioning rod 15 is slidably inserted in the telescopic groove 14, the mounting rod 19 at one end of the rotating rod 12 is inserted into the mounting hole 18, the spring 13 at the other end of the rotating rod 12 pushes The movable positioning rod 15 is inserted into the positioning hole 16 and abuts against the side wall of the button 17, so that the rotating rod 12 is rotatably installed in the installation groove 11. When clamping workpieces of different sizes, the button 17 is squeezed to push the positioning rod 15 out of the positioning hole 16, and at the same time, the rotating rod 12 is pulled to move horizontally in the installation groove 11, and the installation rod 19 is separated from the installation hole 18 during the movement, and the rotating rod 12 is removed from the installation groove 11 after the installation rod 19 and the positioning rod 15 are separated.

[0031] The schematic diagram of the structure of the machine tool fixture 2 of the metal cutting machine tool is as follows Figure 2 As shown, the cross-sectional structure diagram of the clamping block 7 is as shown Figure 3 As shown, its Figure 3 The enlarged schematic diagram of the structure at A is as follows Figure 4 As shown, its Figure 3 The enlarged schematic diagram of the structure at B is as follows Figure 5 shown.

[0032] Working principle: When the metal cutting machine tool of the present technical solution is used, when fixing the workpiece, the clamping block 7 is driven to move by adjusting the bolt 5 to clamp the workpiece in the clamping cavity 8, and the rotating rod 12 is rotated in the mounting groove 11 through the positioning rod 15 and the mounting rod 19, and the angle of the clamping plate 9 is adjusted during the rotation process, and the mounting rod 19 at one end of the rotating rod 12 is inserted into the mounting hole 18, and the spring 13 at the other end of the rotating rod 12 pushes the positioning rod 15 to be inserted into the positioning hole 16, and abuts against the side wall of the button 17, so that the rotating rod 12 It is rotatably installed in the mounting groove 11. When clamping workpieces of different sizes, the button 17 is squeezed to push the positioning rod 15 out of the positioning hole 16, and the rotating rod 12 is pulled to move laterally in the mounting groove 11. During the movement, the mounting rod 19 is separated from the mounting hole 18, and the rotating rod 12 is removed from the mounting groove 11 after the mounting rod 19 and the positioning rod 15 are separated. This facilitates the replacement and installation of the rotating rod 12 with different shapes of clamping plates 9, is suitable for clamping and fixing workpieces of different sizes, and improves the stability of workpiece clamping.

[0033] All technical features in this embodiment can be freely combined according to actual needs.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A metal cutting machine tool, comprising a machine tool body (1) and a machine tool fixture (2) mounted on the machine tool body (1), characterized in that: A clamping cavity (8) is provided at the center of the machine tool fixture (2), and a plurality of clamping blocks (7) are embedded and installed in a circular array on the side wall of the machine tool fixture (2), a mounting groove (11) is provided on the inner wall of the clamping block (7), a rotating rod (12) is detachably installed in the mounting groove (11), and a mounting hole (18) and a positioning hole (16) are respectively provided on both sides of the inner wall of the mounting groove (11), one end of the rotating rod (12) is elastically provided with a positioning rod (15) that is clamped with the positioning hole (16), and the other end of the rotating rod (12) is fixed with a mounting rod (19) that is inserted into the mounting hole (18).

2. A metal cutting machine tool according to claim 1, characterized in that: The side wall of the machine tool fixture (2) is provided with a plurality of slide grooves (6) which are in communication with the clamping cavity (8), and the clamping block (7) is slidably inserted in the slide grooves (6).

3. A metal cutting machine tool according to claim 2, characterized in that: The outer wall of the machine tool clamp is rotatably mounted with adjusting bolts (5) in a ring array, and the adjusting bolts (5) drive a plurality of clamping blocks (7) to slide.

4. A metal cutting machine tool according to claim 1, characterized in that: A clamping plate (9) is fixed to one end of the rotating rod (12) extending into the clamping cavity (8), and a plurality of anti-slip teeth (10) are provided on the inner wall of the clamping plate (9).

5. The metal cutting machine tool according to claim 1, characterized in that: A button (17) is protruding from the side wall of the clamping block (7), and the button (17) is slidably inserted in the positioning hole (16).

6. A metal cutting machine tool according to claim 5, characterized in that: One end of the mounting rod (19) extending into the positioning hole (16) abuts against the button (17), and the button (17) is snap-fitted to the inner wall of the positioning hole (16).

7. A metal cutting machine tool according to claim 6, characterized in that: A telescopic slot (14) is formed on the side wall of the rotating rod (12), a spring (13) is embedded in the telescopic slot (14), and the positioning rod (15) is slidably inserted in the telescopic slot (14).

8. The metal cutting machine tool according to claim 1, characterized in that: A mounting shaft (4) is fixed to the side wall of the machine tool fixture (2), and an axial positioning groove (3) is formed on the outer wall of the mounting shaft (4).

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