Machining fixing tool

Abstract

The utility model discloses a machining fixing tool which comprises a support and a clamping mechanism, the support comprises a bottom plate, a supporting column and a stabilizing ring, the supporting column is vertically installed at the position between the bottom plate and the stabilizing ring, and the clamping mechanism comprises an adjusting ring and evenly-distributed clamping assemblies. The clamping assembly comprises an electric push rod, a stabilizing frame, a clamping column and a contraction spring, the adjusting ring is installed in the stabilizing ring, the electric push rod is installed on the inner wall of the adjusting ring, the stabilizing frame is connected with the other end of the electric push rod, and one end of the clamping column penetrates through the contraction spring and is embedded into the stabilizing frame; when a round pipe workpiece is located between the evenly-distributed clamping columns, the evenly-distributed electric push rods operate at the same time, the stabilizing frame and the clamping columns move, the clamping columns clamp the round pipe workpiece, the round pipe workpiece is conveniently clamped and loosened, the length position of the round pipe workpiece is conveniently adjusted, an adjusting shaft is rotated, a driving gear drives an adjusting ring to rotate, and the purpose of changing the angle of the workpiece is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of tooling fixtures, and in particular relates to a mechanical processing fixing tool. Background Art

[0002] Fixed tooling is a kind of process equipment used in mechanical processing, which mainly plays the role of fixing the workpiece. Tooling refers to the general term for various tools used in the manufacturing process, including cutting tools, fixtures, molds, measuring tools, etc. The Chinese utility model patent application number CN202023122914.5 discloses a fixed tooling for mechanical processing. It is a conventional method to use fixed tooling fixtures to clamp workpieces in mechanical processing;

[0003] A round tube is a common workpiece in mechanical processing. When a fixed tooling fixture is used to fix the round tube, and the round tube is generally clamped by a clamping block during grinding and polishing machining, the tightness of the clamping block needs to be manually adjusted during clamping, and the angle and position of the round tube workpiece need to be manually adjusted frequently to facilitate grinding and polishing of different positions on its outer surface. The adjustment of the round tube workpiece is relatively cumbersome. When the round tube workpiece is subjected to grinding and polishing mechanical processing, there is a problem that the fixed tooling fixture clamps the round tube workpiece, and the angle and position of the round tube workpiece cannot be conveniently adjusted. For this reason, the present application proposes a fixed tooling for mechanical processing. Utility Model Content

[0004] The utility model aims to provide a mechanical processing fixing tool to solve the problem that the angle and position of a round tube workpiece cannot be conveniently adjusted in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanical processing fixing tool, including a bracket and a clamping mechanism, the bracket includes a base plate, a pillar and a stabilizing ring, the pillar is vertically installed at a position between the base plate and the stabilizing ring, the clamping mechanism includes an adjusting ring, an evenly distributed clamping assembly, the clamping assembly includes an electric push rod, a stabilizing frame, a clamping column and a contraction spring, the adjusting ring is installed inside the stabilizing ring, the electric push rod is installed on the inner wall of the adjusting ring, the stabilizing frame is connected to the other end of the electric push rod, one end of the clamping column passes through the contraction spring and is embedded in the stabilizing frame, a fixing box is provided on the bottom surface of the stabilizing ring, an adjusting shaft passes through the surface of the fixing box, a driving gear is provided inside the fixing box, a first ring groove is provided on the outer surface of the adjusting ring, and the adjusting ring is provided with fixing teeth in the first ring groove.

[0006] Preferably, the stabilizing frame is a "mouth"-shaped structure of a frame, one end of the clamping column is spherical, the clamping column passes through the contraction spring, and a limiting round block is provided on the end of the stabilizing frame, and the clamping column is slidably connected to the stabilizing frame.

[0007] Preferably, a connecting groove is provided on the bottom surface of the stabilizing ring, and the driving gear passes through the connecting groove.

[0008] Preferably, one end of the adjusting shaft is connected to the center of the driving gear, a handwheel is provided on the exposed end of the adjusting shaft, the driving gear is connected to the fixed box through a bearing, the driving gear is clearance-matched with the first ring groove, and driving teeth are provided on the outer surface of the driving gear, and the driving teeth and the fixed teeth on the driving gear are staggered.

[0009] Preferably, a positioning piece is provided inside the stabilizing ring, and the positioning piece includes an inner positioning ring, an outer positioning ring and symmetrically distributed connecting rods, and the connecting rods are installed between the inner positioning ring and the outer positioning ring, and the center of the positioning piece is on the same axis as the center of the stabilizing ring and the adjusting ring.

[0010] Preferably, a positioning block is provided on the outer positioning ring of the positioning member, a positioning ring cooperating with the outer positioning ring is provided on the side of the stabilizing ring, and a positioning groove cooperating with the positioning block is provided inside the positioning ring of the stabilizing ring.

[0011] Preferably, a pull-out box is slidably connected to the bottom plate, and a storage groove is provided on the top surface of the pull-out box.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, when the round tube workpiece is located between the evenly distributed clamping columns, the evenly distributed electric push rods operate simultaneously, the stabilizing frame and the clamping columns move, and the clamping columns clamp the round tube workpiece, which is convenient for clamping and releasing the round tube workpiece and is conducive to adjusting its length position. The adjusting shaft is rotated, and the driving gear drives the adjusting ring to rotate, thereby achieving the purpose of changing the angle of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0016] Figure 3 It is a side view structural schematic diagram of the stabilizing ring of the utility model;

[0017] Figure 4 This is a schematic diagram of the main structure of the positioning member of the utility model;

[0018] Figure 5 For the utility model Figure 3 BB direction structural diagram of the middle stabilizing ring 3;

[0019] Figure 6This is a schematic diagram of the main structure of the adjustment ring of the utility model;

[0020] In the figure: 1. bottom plate; 2. pillar; 3. stabilizing ring; 4. adjusting ring; 6. positioning piece; 7. fixing box; 8. adjusting shaft; 11. pull-out box; 31. positioning ring; 32. positioning groove; 33. connecting groove; 41. first ring groove; 42. fixing teeth; 51. electric push rod; 52. stabilizing frame; 53. clamping column; 54. contraction spring; 61. positioning block; 71. driving gear. DETAILED DESCRIPTION

[0021] 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.

[0022] Example

[0023] See also Figures 1 to 6The utility model provides a technical solution: a mechanical processing fixing tool, including a bracket and a clamping mechanism, the bracket includes a base plate 1, a pillar 2 and a stabilizing ring 3, the pillar 2 is vertically installed at a position between the base plate 1 and the stabilizing ring 3, the pillar 2 is screwed together with the base plate 1 and the stabilizing ring 3 by screws, the clamping mechanism includes an adjusting ring 4, a uniformly distributed clamping assembly, the clamping assembly includes an electric push rod 51, a stabilizing frame 52, a clamping column 53 and a contraction spring 54, the adjusting ring 4 is installed inside the stabilizing ring 3, the adjusting ring 4 is rotatably connected to the stabilizing ring 3, the stabilizing ring 3 positions the adjusting ring 4, the electric push rod 51 is installed on the inner wall of the adjusting ring 4, the electric push rod 51 is screwed together with the adjusting ring 4 by screws, the stabilizing frame 52 is connected to the other end of the electric push rod 51, the stabilizing frame 52 is screwed together with the electric push rod 51 by screws, one end of the clamping column 53 passes through the contraction spring 54 and is embedded in the stabilizing frame 52, The clamping column 53 plays the role of clamping the circular tube workpiece. When the circular tube workpiece is located between the evenly distributed clamping columns 53, the evenly distributed electric push rods 51 operate simultaneously, the stabilizing frame 52 and the clamping columns 53 move, and the clamping columns 53 clamp the circular tube workpiece, which is convenient for clamping and loosening the circular tube workpiece and is conducive to adjusting its length position; a fixing box 7 is provided on the bottom surface of the stabilizing ring 3, and the fixing box 7 is screwed together with the stabilizing ring 3 by screws. An adjusting shaft 8 passes through the surface of the fixing box 7, and a driving gear 71 is provided inside the fixing box 7. The adjusting shaft 8 rotates and causes the driving gear 71 to rotate, and the driving gear 71 drives the adjusting ring 4 to rotate. A first annular groove 41 is provided on the outer surface of the adjusting ring 4, and a fixed tooth 42 is provided in the first annular groove 41 for the adjusting ring 4. The driving gear 71 is meshed with the fixed tooth 42 on the outer surface of the adjusting ring 4, and can drive the adjusting ring 4 to rotate, so as to achieve the purpose of changing the angle of the workpiece.

[0024] In this embodiment, the stabilizing frame 52 is a "mouth"-shaped structure of the frame, one end of the clamping column 53 is in the shape of a spherical ball, the clamping column 53 passes through the contraction spring 54, and a limiting round block is provided on the end of the stabilizing frame 52. The clamping column 53 is slidably connected to the stabilizing frame 52. When the clamping column 53 clamps the round tube workpiece, the clamping column 53 slides relative to the stabilizing frame 52, and the contraction spring 54 is in a contracted state, which is suitable for round tube workpieces of different diameters.

[0025] In this embodiment, a connecting groove 33 is formed on the bottom surface of the stabilizing ring 3 , and the driving gear 71 passes through the connecting groove 33 . The stabilizing ring 3 is connected to the inside of the fixing box 7 , which facilitates the driving gear 71 to drive the adjusting ring 4 to rotate.

[0026] In this embodiment, one end of the adjusting shaft 8 is connected to the center of the driving gear 71, and a handwheel is provided on the exposed end of the adjusting shaft 8 to facilitate the rotation of the adjusting shaft 8. The driving gear 71 is connected to the fixed box 7 through a bearing, and the driving gear 71 is clearance-matched with the first ring groove 41. The outer surface of the driving gear 71 is provided with driving teeth, and the driving teeth on the driving gear 71 are staggered with the fixed teeth 42. The driving gear 71 is meshed with the fixed teeth 42, which can drive the adjusting ring 4 to rotate, thereby achieving the purpose of changing the angle of the workpiece.

[0027] In this embodiment, a positioning member 6 is provided in the stabilizing ring 3, and the positioning member 6 includes an inner positioning ring, an outer positioning ring and symmetrically distributed connecting rods. The connecting rods are installed at a position between the inner positioning ring and the outer positioning ring. The center of the positioning member 6 is on the same axis as the center of the stabilizing ring 3 and the adjusting ring 4. A positioning block 61 is provided on the outer positioning ring of the positioning member 6. A positioning ring 31 cooperating with the outer positioning ring is provided on the side of the stabilizing ring 3. The stabilizing ring 3 is located in the positioning ring 31 and is provided with a positioning groove 32 cooperating with the positioning block 61. The outer positioning ring of the positioning member 6 is installed in the positioning ring 31, and the positioning block 61 is embedded in the positioning groove 32. The positioning member 6 is positioned. The positioning member 6 and the adjusting ring 4 are split structures. Positioning members 6 with different inner diameters can be replaced, which is suitable for different round tube workpieces. The positioning member 6 plays a role in positioning the round tube workpiece.

[0028] In this embodiment, a pull-out box 11 is slidably connected to the bottom plate 1, and a storage groove is provided on the top surface of the pull-out box 11. The pull-out box 11 can be pulled out from the bottom plate 1, and different positioning members 6 can be placed inside the pull-out box 11, which is convenient for replacing positioning members 6 of different diameters.

[0029] To sum up: when the round tube workpiece is located between the evenly distributed clamping columns 53, the evenly distributed electric push rods 51 operate simultaneously, the stabilizing frame 52 and the clamping columns 53 move, and the clamping columns 53 clamp the round tube workpiece, which is convenient for clamping and releasing the round tube workpiece and facilitating the adjustment of its length position. The adjusting shaft 8 is rotated, and the driving gear 71 drives the adjusting ring 4 to rotate, thereby achieving the purpose of changing the angle of the workpiece.

[0030] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mechanical processing fixture, comprising a bracket and a clamping mechanism, characterized in that: The support comprises a base plate (1), a support column (2) and a stabilizing ring (3); the support column (2) is vertically mounted between the base plate (1) and the stabilizing ring (3); the clamping mechanism comprises an adjusting ring (4) and evenly distributed clamping components; the clamping components comprise an electric push rod (51), a stabilizing frame (52), a clamping column (53) and a contraction spring (54); the adjusting ring (4) is mounted inside the stabilizing ring (3); the electric push rod (51) is mounted on the inner wall of the adjusting ring (4); the stabilizing frame (52) is mounted on the inner wall of the adjusting ring (4); and the clamping component comprises an electric push rod (51) and a stabilizing frame (52). 2) connected to the other end of the electric push rod (51), one end of the clamping column (53) passes through the contraction spring (54) and is embedded in the stabilizing frame (52), a fixing box (7) is provided on the bottom surface of the stabilizing ring (3), an adjusting shaft (8) passes through the surface of the fixing box (7), a driving gear (71) is provided inside the fixing box (7), a first annular groove (41) is provided on the outer surface of the adjusting ring (4), and a fixing tooth (42) is provided on the adjusting ring (4) in the first annular groove (41).

2. A mechanical processing fixture according to claim 1, characterized in that: The stabilizing frame (52) is a "mouth"-shaped structure of a frame, one end of the clamping column (53) is in a spherical shape, the clamping column (53) passes through the contraction spring (54), and a limiting round block is provided on the end of the stabilizing frame (52), and the clamping column (53) is slidably connected to the stabilizing frame (52).

3. The mechanical processing fixture according to claim 1, characterized in that: A communicating groove (33) is provided on the bottom surface of the stabilizing ring (3), and the driving gear (71) passes through the communicating groove (33).

4. The mechanical processing fixture according to claim 1, characterized in that: One end of the adjusting shaft (8) is connected to the center of a driving gear (71); a hand wheel is provided on the exposed end of the adjusting shaft (8); the driving gear (71) is connected to the fixed box (7) via a bearing; the driving gear (71) is clearance-matched with the first annular groove (41); driving teeth are provided on the outer surface of the driving gear (71); and the driving teeth and the fixed teeth (42) on the driving gear (71) are staggered.

5. The mechanical processing fixture according to claim 1, characterized in that: A positioning member (6) is provided inside the stabilizing ring (3), and the positioning member (6) comprises an inner positioning ring, an outer positioning ring and symmetrically distributed connecting rods, the connecting rods are installed between the inner positioning ring and the outer positioning ring, and the center of the positioning member (6) is on the same axis as the center of the stabilizing ring (3) and the adjusting ring (4).

6. A mechanical processing fixture according to claim 5, characterized in that: A positioning block (61) is provided on the outer positioning ring of the positioning member (6), a positioning ring (31) cooperating with the outer positioning ring is provided on the side of the stabilizing ring (3), and a positioning groove (32) cooperating with the positioning block (61) is provided inside the positioning ring (31) of the stabilizing ring (3).

7. The mechanical processing fixture according to claim 1, characterized in that: A drawer box (11) is slidably connected to the bottom plate (1), and a storage groove is provided on the top surface of the drawer box (11).

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