Fixing clamp for square graphite stock

Abstract

The utility model relates to a graphite square stock fixing clamp which comprises clamping arms, three clamping blocks and sliding blocks, each clamping block is fixedly connected with one clamping arm, the clamping arms are fixed to a main shaft of a numerical control lathe through the sliding blocks, the three clamping blocks are defined as the first clamping block, the second clamping block and the third clamping block respectively, and the first clamping block, the second clamping block and the third clamping block are fixed to the main shaft of the numerical control lathe through the sliding blocks. The first clamping block, the second clamping block and the third clamping block are spliced to define a square containing cavity, and during operation, the graphite square stock is placed in the containing cavity, and the first clamping block, the second clamping block and the third clamping block clamp the graphite square stock. According to the fixing clamp, the clamping force can be controlled by adjusting the positions of the clamping blocks, and therefore the situation that the square graphite stock is damaged due to the fact that the clamping force is too large is effectively prevented.

Description

Technical Field

[0001] The present application relates to graphite processing technology, and in particular to a fixing fixture for graphite square materials. Background Art

[0002] At present, in the field of graphite processing technology, due to the characteristics of graphite itself, graphite raw materials are basically square materials, but many graphite parts are round in shape. In order to facilitate processing, it is necessary to process the graphite square materials into round rods, and then carry out the finished product processing of graphite parts. At present, the clamps used to clamp graphite square materials can only be used for one size of square materials, and the graphite blank is easily destroyed due to excessive clamping force. Utility Model Content

[0003] In order to overcome the above-mentioned defects, the present application provides a fixing clamp for graphite square materials, which can control the clamping force by adjusting the position of the clamping block, thereby effectively preventing the graphite square materials from being destroyed due to excessive clamping force.

[0004] The technical solution adopted by this application to solve its technical problems is:

[0005] A fixing fixture for graphite square material comprises a clamping arm, three clamping blocks and a slider, each of the clamping blocks is fixedly connected to a clamping arm, the clamping arm is fixed to the main shaft of a CNC lathe through the slider, the three clamping blocks are respectively defined as a first clamping block, a second clamping block and a third clamping block, the first clamping block, the second clamping block and the third clamping block are spliced ​​to form a square accommodating cavity, during operation, the graphite square material is placed in the accommodating cavity, and the first clamping block, the second clamping block and the third clamping block clamp the graphite square material.

[0006] Optionally, a slide groove is opened on the bottom surface of the clamping arm, the slider is fixedly installed in the slide groove, a first screw hole is opened on the clamping arm, and a second screw hole is opened on the slider. When fixing, the screw passes through the first screw hole and the second screw hole in sequence to fix the clamping arm on the main shaft.

[0007] Optionally, the longitudinal cross-section of the slider is a T-shaped structure, and the bottom surface of the clamping arm is a wavy structure.

[0008] Optionally, a groove is provided on the end surface of the clamping arm, the outer wall of the first clamping block extends outward to form a first protrusion, the outer wall of the second clamping block extends outward to form a second protrusion, and the outer wall of the third clamping block extends outward to form a third protrusion, and the first protrusion, the second protrusion and the third protrusion are all fixed in the groove.

[0009] Optionally, the end surface of the clamping arm is in an arc-shaped structure, and the outer side wall of the first clamping block, the outer side wall of the second clamping block and the outer side wall of the third clamping block are all in an arc-shaped structure.

[0010] Optionally, the first clamping block is provided with a first clamping surface and a second clamping surface, the first clamping surface and the second clamping surface are perpendicular to each other, the second clamping block is provided with a third clamping surface and a fourth clamping surface, the third clamping surface and the fourth clamping surface are perpendicular to each other, the third clamping block is provided with a fifth clamping surface, and the first clamping surface, the second clamping surface, the third clamping surface, the fourth clamping surface and the fifth clamping surface form a square accommodating cavity.

[0011] Optionally, a third screw hole is provided on the clamping arm, a first positioning hole is provided on the first protrusion, a second positioning hole is provided on the second protrusion, and a third positioning hole is provided on the third protrusion. The screw is locked in the third screw hole and the first positioning hole to fix the first clamping block to the clamping arm, the screw is locked in the third screw hole and the second positioning hole to fix the second clamping block to the clamping arm, and the screw is locked in the third screw hole and the third positioning hole to fix the third clamping block to the clamping arm.

[0012] The beneficial effects of the present application are as follows: the first clamping block, the second clamping block and the third clamping block are used to clamp the graphite square material together, and the clamping force can be controlled by adjusting the positions of the first clamping block, the second clamping block and the third clamping block, thereby effectively preventing the graphite square material from being destroyed due to excessive clamping force; at the same time, the purpose of holding graphite square materials of different sizes is achieved, the scope of use of the fixing fixture is broadened, and the effect of clamping materials efficiently and stably is achieved. During the processing, the fixing fixture clamps the graphite square material through the self-centering function of the three clamping blocks, and because the three clamping blocks move radially by equal amounts when clamping the square material, the graphite square material within a certain range can be clamped uniformly and stably. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the fixing fixture in this application;

[0014] Figure 2 An exploded view of the fixing fixture in this application;

[0015] Figure 3 It is a schematic diagram of the structure of the clamping arm in this application;

[0016] Figure 4 This is a schematic diagram of the structure of the first clamping block in this application;

[0017] Figure 5 This is a schematic diagram of the structure of the second clamping block in this application;

[0018] Figure 6 This is a schematic diagram of the structure of the third clamping block and the clamping arm in this application;

[0019] Figure 7 This is a diagram of the use status of the fixing fixture in this application;

[0020] In the figure: 10-clamping arm, 11-groove, 12-slide groove, 13-first screw hole, 14-third screw hole, 20-first clamping block, 21-first protrusion, 22-first positioning hole, 23-first clamping surface, 24-second clamping surface, 30-second clamping block, 31-second protrusion, 32-second positioning hole, 33-third clamping surface, 34-fourth clamping surface, 40-third clamping block, 41-third protrusion, 42-third positioning hole, 43-fifth clamping surface, 50-slider, 51-second screw hole, 60-graphite square material, 70-screw. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the embodiments described in the present application are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the following drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the objects used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0023] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0024] Example: Figure 1-7 As shown, a fixing fixture for graphite square material includes a clamping arm 10, three clamping blocks and a slider 50, each of the clamping blocks is fixedly connected to a clamping arm 10, and the clamping arm 10 is fixed to the spindle of a CNC lathe through the slider 50. The three clamping blocks are respectively defined as a first clamping block 20, a second clamping block 30 and a third clamping block 40. The first clamping block 20, the second clamping block 30 and the third clamping block 40 are spliced ​​to form a square accommodating cavity. During operation, the graphite square material 60 is placed in the accommodating cavity, and the first clamping block 20, the second clamping block 30 and the third clamping block 40 clamp the graphite square material 60. The three clamping blocks are made of a cylindrical disc. The center of the disc is processed into a cubic groove of a certain size by wire cutting. Then the disc is evenly divided into three clamping blocks. Each clamping block is fixed on a clamping arm 10. The clamping arm 10 is fixed on the spindle. When the three clamping arms 10 are close to the center, Figure 7 As shown, three clamping blocks clamp the graphite square material 60. The accommodation cavity formed by splicing the first clamping block 20, the second clamping block 30, and the third clamping block 40 is a trough body of a cube structure, and the size of the graphite square material 60 is equal to or greater than the size of the accommodation cavity. In the present application, the first clamping block, the second clamping block, and the third clamping block are used to clamp the graphite square material together. The clamping force can be controlled by adjusting the positions of the first clamping block, the second clamping block, and the third clamping block, thereby effectively preventing the graphite square material from being destroyed due to excessive clamping force; at the same time, the purpose of holding graphite square materials of different sizes is achieved, the scope of use of the fixing fixture is broadened, and the effect of clamping materials efficiently and stably is achieved. During the processing, the fixing fixture clamps the graphite square material through the self-centering function of the three clamping blocks, and because the three clamping blocks move radially in equal amounts when clamping the square material, the graphite square material within a certain range can be clamped uniformly and stably.

[0025] like Figure 1-3 and Figure 6 As shown, a slide groove 12 is provided on the bottom surface of the clamping arm 10, and the slider 50 is fixedly installed in the slide groove 12. A first screw hole 13 is provided on the clamping arm 10, and a second screw hole 51 is provided on the slider 50. When fixing, the screw 70 passes through the first screw hole 13 and the second screw hole 51 in sequence to fix the clamping arm 10 on the main shaft.

[0026] The longitudinal cross section of the slider 50 is T-shaped, and the bottom surface of the clamping arm 10 is a wave-shaped structure. Figure 6 As shown, in this embodiment, two first screw holes 13 are formed on the clamping arm 10, and two second screw holes 51 are also formed on the slider 50. Two screws 70 are passed through the first screw holes 13 and the second screw holes 51 and locked on the main shaft to fix the clamping arm 10 on the main shaft.

[0027] like Figure 3-6 As shown, a groove 11 is provided on the end surface of the clamping arm 10, the outer wall of the first clamping block 20 extends outward to form a first protrusion 21, the outer wall of the second clamping block 30 extends outward to form a second protrusion 31, and the outer wall of the third clamping block 40 extends outward to form a third protrusion 41. The first protrusion 21, the second protrusion 31 and the third protrusion 41 are all fixed in the groove 11.

[0028] The end face of the clamping arm 10 is an arc-shaped structure, and the outer side walls of the first clamping block 20, the second clamping block 30 and the third clamping block 40 are all arc-shaped structures. The clamping block is fixed to the clamping arm 10 by using the protrusion and the groove 11, and the arc-shaped outer side wall of the clamping block and the arc-shaped end face of the clamping arm 10 are mutually fitted to stably fix the clamping block to the clamping arm 10. The first clamping block 20, the second clamping block 30 and the third clamping block 40 are all made of 45 steel after quenching and surface blackening process, and the size of the accommodating cavity formed by the three clamping blocks determines the size range of the reinforced graphite square material.

[0029] like Figure 4-6As shown, the first clamping block 20 is provided with a first clamping surface 23 and a second clamping surface 24, the first clamping surface 23 and the second clamping surface 24 are perpendicular to each other, the second clamping block 30 is provided with a third clamping surface 33 and a fourth clamping surface 34, the third clamping surface 33 and the fourth clamping surface 34 are perpendicular to each other, the third clamping block 40 is provided with a fifth clamping surface 43, the first clamping surface 23, the second clamping surface 24, the third clamping surface 33, the fourth clamping surface 34 and the fifth clamping surface 43 form a square accommodating cavity. The first clamping surface 23 and the third clamping surface 33 are spliced ​​to clamp one of the four sides of the square material, and the second clamping surface 24, the fourth clamping surface 34 and the fifth clamping surface 43 respectively clamp the remaining three sides of the four sides of the square material.

[0030] like Figure 3-6 As shown, the clamping arm 10 is provided with a third screw hole 14, the first protrusion 21 is provided with a first positioning hole 22, the second protrusion 31 is provided with a second positioning hole 32, the third protrusion 41 is provided with a third positioning hole 42, the screw 70 is locked in the third screw hole 14 and the first positioning hole 22 to fix the first clamping block 20 to the clamping arm 10, the screw 70 is locked in the third screw hole 14 and the second positioning hole 32 to fix the second clamping block 30 to the clamping arm 10, and the screw 70 is locked in the third screw hole 14 and the third positioning hole 42 to fix the third clamping block 40 to the clamping arm 10. That is, the clamping arm 10 is respectively fixed to the three clamping blocks by screws 70, each clamping arm 10 and a clamping block form a whole, the three clamping blocks are evenly distributed in three equal parts on the lathe spindle, and the three clamping arms 10 are used to move radially in equal amounts to achieve the clamping or loosening of the graphite square material.

[0031] It should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these modifications and improvements are all within the scope of protection of the present application. Therefore, the scope of protection of the patent of the present application shall be subject to the attached claims.

Claims

1. A fixing fixture for graphite square material, characterized in that: It comprises a clamping arm (10), three clamping blocks and a slider (50), each of the clamping blocks is fixedly connected to one of the clamping arms (10), the clamping arm (10) is fixed to the main shaft of a numerically controlled lathe through the slider (50), the three clamping blocks are respectively defined as a first clamping block (20), a second clamping block (30) and a third clamping block (40), the first clamping block (20), the second clamping block (30) and the third clamping block (40) are spliced ​​to form a square accommodating cavity, during operation, the graphite square material (60) is placed in the accommodating cavity, and the first clamping block (20), the second clamping block (30) and the third clamping block (40) clamp the graphite square material (60); A slide groove (12) is provided on the bottom surface of the clamping arm (10), and the slider (50) is fixedly installed in the slide groove (12). A first screw hole (13) is provided on the clamping arm (10), and a second screw hole (51) is provided on the slider (50). When fixing, the screw (70) passes through the first screw hole (13) and the second screw hole (51) in sequence to fix the clamping arm (10) on the main shaft.

2. The fixing fixture for graphite square material according to claim 1, characterized in that: The longitudinal cross section of the slider (50) is in a T-shaped structure, and the bottom surface of the clamping arm (10) is in a wavy structure.

3. The fixing fixture for graphite square material according to claim 1, characterized in that: A groove (11) is provided on the end surface of the clamping arm (10); the outer wall of the first clamping block (20) extends outward to form a first protrusion (21); the outer wall of the second clamping block (30) extends outward to form a second protrusion (31); the outer wall of the third clamping block (40) extends outward to form a third protrusion (41); the first protrusion (21), the second protrusion (31) and the third protrusion (41) are all fixed in the groove (11).

4. The fixing fixture for graphite square material according to claim 3, characterized in that: The end surface of the clamping arm (10) is in an arc-shaped structure, and the outer wall of the first clamping block (20), the outer wall of the second clamping block (30) and the outer wall of the third clamping block (40) are all in an arc-shaped structure.

5. The fixing fixture for graphite square material according to claim 3, characterized in that: The first clamping block (20) is provided with a first clamping surface (23) and a second clamping surface (24), and the first clamping surface (23) and the second clamping surface (24) are perpendicular to each other. The second clamping block (30) is provided with a third clamping surface (33) and a fourth clamping surface (34), and the third clamping surface (33) and the fourth clamping surface (34) are perpendicular to each other. The third clamping block (40) is provided with a fifth clamping surface (43), and the first clamping surface (23), the second clamping surface (24), the third clamping surface (33), the fourth clamping surface (34) and the fifth clamping surface (43) form a square accommodating cavity.

6. The fixing fixture for graphite square material according to claim 3, characterized in that: The clamping arm (10) is provided with a third screw hole (14), the first protrusion (21) is provided with a first positioning hole (22), the second protrusion (31) is provided with a second positioning hole (32), and the third protrusion (41) is provided with a third positioning hole (42). The screw (70) is locked in the third screw hole (14) and the first positioning hole (22) to fix the first clamping block (20) to the clamping arm (10), the screw (70) is locked in the third screw hole (14) and the second positioning hole (32) to fix the second clamping block (30) to the clamping arm (10), and the screw (70) is locked in the third screw hole (14) and the third positioning hole (42) to fix the third clamping block (40) to the clamping arm (10).

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