CN115383489A - Shell machining clamp - Google Patents

Abstract

The invention discloses a shell processing clamp, which comprises: a support; the support table is arranged on the support and provided with three support positions, each support position can support one shell, each shell is an L-shaped shell, each L-shaped shell is provided with an inner wall, a first outer wall and a second outer wall, the first outer wall is opposite to the inner wall, the second outer wall is adjacent to the first outer wall, the three support positions comprise a first support position, a second support position and a third support position, the first support position can support the inner wall, the second support position can support the first outer wall, and the third support position can support the second outer wall, so that the numerical control machine can process different side walls of the three shells on the support table; the limiting device is arranged on the supporting table and can limit the shell positioned on the supporting table; and the pressing device is arranged on the support and can press and fix the shell positioned on the support table. The shell machining clamp can reduce machining errors of the shell and improve machining accuracy.

Description

Shell processing fixture

technical field

The invention relates to the technical field of tooling fixtures, in particular to a shell processing fixture.

Background technique

A speaker refers to a device that converts an audio signal into sound. In layman's terms, it refers to the built-in power amplifier in the main box of the speaker or the subwoofer box. After the audio signal is amplified, the sound is played back by the speaker itself to make the sound louder. The reason why the speaker exists in the box is mainly to prevent the sound wave signals on the front and back of the speaker diaphragm from directly forming a loop, so that only high-frequency and intermediate-frequency sounds with small wavelengths can be transmitted, while other sound signals are superimposed and canceled out. up.

In the related art, the box is generally made of wooden materials, and it is necessary to install a shell made of metal material on the edge of the wooden box to protect the wooden box. The shell generally has a radian, and different surfaces of the shell need to be adjusted during processing. And different positions for processing, many processing procedures. When the CNC machine tool is machining the shell, it is necessary to position and then fix the shell with a fixture. After completing one processing surface of the shell, it is necessary to change the fixture or readjust the control parameters of the CNC machine tool to process the other surfaces of the shell. However, after changing the fixture, it is necessary to reinstall the The shell is positioned and fixed, and the machining errors are easy to accumulate, resulting in inaccurate machining, and the operation of adjusting the control parameters of the CNC machine tool multiple times is cumbersome.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the present invention proposes a shell processing jig, which can reduce the processing error of the shell, improve processing efficiency and accuracy, and has a simple structure.

The shell processing jig according to the embodiment of the first aspect of the present invention includes:

bracket;

The support platform is arranged on the bracket, and the support platform is provided with three support positions, and each support position can support a shell, the shell is an L-shaped shell, and the L-shaped shell has an inner wall, A first outer wall and a second outer wall, the first outer wall is opposite to the inner wall, the second outer wall is adjacent to the first outer wall, and the three support positions include a first support position, a second support position and The third support position, the first support position can support the inner wall, the second support position can support the first outer wall, and the third support position can support the second outer wall, so that the CNC machine tool can process different side walls of the three housings on the support platform;

A limiting device is arranged on the supporting platform, and the limiting device can limit the housing on the supporting platform;

A pressing device is arranged on the bracket, and the pressing device can press and fix the housing on the support platform.

The shell processing jig according to the embodiment of the present invention has at least the following beneficial effects: the shell processing jig is provided with three support positions, and each support position can fix a shell, and the shell processing jig is provided with a limiting device and a pressing device , the limit device can position the shell, and the pressing device can fix the shell. Since the exposed side walls of the shell on each support position are different, the CNC machine tool can be processed on the same shell processing fixture. Multiple processing procedures are completed without frequently changing fixtures, reducing the number of times to adjust the control parameters of the CNC machine tool, simplifying the operation steps, and improving production efficiency.

According to some embodiments of the present invention, the inner wall has a first surface and a second surface, the first support position is a protrusion, and the protrusion abuts against the first surface and the second surface, and makes The first outer wall and the second outer wall are exposed.

According to some embodiments of the present invention, the second support position is a first groove, the first outer wall abuts against the bottom of the first groove, and the second outer wall abuts against the bottom of the first groove The side wall exposes the inner wall and makes the first surface along the vertical direction.

According to some embodiments of the present invention, the third support position is a second groove, the second outer wall abuts against the bottom of the second groove, and the first outer wall abuts against the bottom of the second groove The side wall exposes the inner wall and makes the second surface vertical.

According to some embodiments of the present invention, the limiting device is provided with a first limiting component, and the first limiting component includes two first limiting blocks, and the two first limiting blocks are arranged on the At opposite ends of the support platform, the first limiting block at least partially protrudes from the second supporting position and the third supporting position, and the first limiting component can simultaneously control the second supporting position and the third supporting position. The housing limit of the third support position.

According to some embodiments of the present invention, the limiting device is further provided with a second limiting component, and the second limiting component includes two second limiting blocks, and the two second limiting blocks are arranged on the The opposite ends of the support table are located near the first support position, and the second position limiting component can limit the housing on the first support position.

According to some embodiments of the present invention, the pressing device includes a first cylinder assembly and a second cylinder assembly, the first cylinder assembly is located close to the first support position and the second support position, and can compressing the housing on the first support position and the second support position, the second cylinder assembly is located close to the third support position and can be pressed against the third support position of the housing.

According to some embodiments of the present invention, the first air cylinder assembly includes a first air cylinder and a first pressure block, the first pressure block is arranged at the end of the first guide rod of the first air cylinder, and the first air cylinder The cylinder can drive the first pressing block to move in the vertical direction, and the first pressing block can cooperate with the support table to compress the housing.

According to some embodiments of the present invention, the second cylinder assembly includes a second cylinder and a second pressing block, the second pressing block is rotatably connected to the end of the second guide rod of the second cylinder, and the second The pressure block can rotate under the action of the second cylinder, and cooperate with the support table to compress the housing.

According to some embodiments of the present invention, the second cylinder assembly is further provided with a third pressing block and a connecting block, the third pressing block and the second pressing block are connected through the connecting block, and the third pressing block A block can follow the movement of the second pressure block and compress the housing.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, wherein:

FIG. 1 is a schematic diagram of a shell processing jig provided by an embodiment of the present invention;

Fig. 2 is a schematic diagram of another perspective of the shell processing jig;

Fig. 3 is a side view of the shell processing fixture;

Fig. 4 is the schematic diagram of housing;

Fig. 5 is a schematic diagram of another viewing angle of the casing;

Fig. 6 is a front view of the shell processing jig.

Reference signs:

Bracket 100, bottom plate 110, support plate 120, switch 130, mounting plate 140, support platform 200, first support position 210, second support position 220, third support position 230, housing 300, inner wall 310, first surface 311 , the second surface 312, the first outer wall 320, the second outer wall 330, the limiting device 400, the first limiting block 410, the second limiting block 420, the pressing device 500, the first cylinder assembly 510, the first cylinder 511 , the first pressing block 512 , the second cylinder assembly 520 , the second air cylinder 521 , the second pressing block 522 , the fixed part 5221 , the rotating part 5222 , the third pressing block 523 , and the connecting block 524 .

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, several means one or more, and multiple means two or more. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, and connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

A speaker refers to a device that converts an audio signal into sound. In layman's terms, it refers to the built-in power amplifier in the main box of the speaker or the subwoofer box. After the audio signal is amplified, the sound is played back by the speaker itself to make the sound louder. The reason why the speaker exists in the box is mainly to prevent the sound wave signals on the front and back of the speaker diaphragm from directly forming a loop, so that only high-frequency and intermediate-frequency sounds with small wavelengths can be transmitted, while other sound signals are superimposed and canceled out. up.

In the related art, the box is generally made of wooden materials, and it is necessary to install a shell made of metal material on the edge of the wooden box to protect the wooden box. The shell generally has a radian, and different surfaces of the shell need to be adjusted during processing. And different positions for processing, many processing procedures. When the CNC machine tool processes the shell, it is necessary to position and fix the shell with a fixture. After completing a machining process, it is necessary to change the fixture to process other positions of the shell. However, after changing the fixture, the shell needs to be repositioned and fixed, and the control of the CNC machine tool The parameters need to be readjusted, the operation is cumbersome, and the processing errors are easy to accumulate, resulting in inaccurate processing.

Aiming at the technical defects caused by this type of fixture, the present invention provides a shell processing fixture. The shell processing fixture is provided with three support positions, and each support position can fix a side wall of the shell. The shell processing fixture A limiting device and a pressing device are arranged on it, the limiting device can position the shell, and the pressing device can fix the shell, since the limiting devices of different support positions are set on the same shell processing fixture, That is, when the shell needs to change the processing procedure, it is not necessary to change the fixture for repositioning, which reduces the accumulation of processing errors and improves the processing accuracy. At the same time, three support positions on one shell processing jig can fix three shells, and the processing procedures of each support position can be different, that is, multiple processing processes can be completed on the same shell processing fixture, reducing the need for adjustments. The number of control parameters of the CNC machine tool simplifies the operation steps and improves the production efficiency.

It should be noted that the support positions on the shell processing jig are not limited to the three provided by the embodiment of the present invention, which will not be repeated here.

Referring to Fig. 1 and Fig. 2, the housing 300 processing fixture provided by the embodiment of the present invention includes: a bracket 100; a support platform 200, which is arranged on the bracket 100, and the support platform 200 is provided with a first support position 210, a second support position 220 and a second support position 220 Three support positions 230, the first support position 210 can support the inner wall 310 of the housing 300, the second support position 220 can support the first outer wall 320 of the housing 300, and the third support position 230 can support the second outer wall 330 of the housing 300 The limiting device 400 is arranged on the support platform 200, and the limiting device 400 can limit the housing 300 located on the supporting platform 200; the pressing device 500 is arranged on the support 100, and the pressing device 500 can be pressed against the support The housing 300 on the stage 200.

It should be noted that the bracket 100 includes a base plate 110 and a support plate 120. There are four support plates 120 arranged evenly on the base plate 110. The support plate 120 is arranged perpendicular to the base plate 110. The support platform 200 is arranged on the support plate 120. There is a space between the support table 110 and the support table 200 to install the pressing device 500 . The bottom plate 110 , the support plate 120 and the support platform 200 can be connected by screws or formed by welding.

It should be noted that the number of support positions of the support platform 200 is not unique. In the embodiment of the present invention, the support platform 200 is provided with three support positions, namely the first support position 210, the second support position 220 and the third support position 230. , three support positions are arranged side by side on the support platform 200 . The shape of the shell 300 processed by the shell 300 processing jig is L-shaped, and the L-shaped shell 300 has a curvature. The first outer wall 320 is opposite to the inner wall, and the second outer wall 330 is opposite to the inner wall and adjacent to the first outer wall.

Specifically, as shown in FIGS. 3 and 4 , the first support position 210 of the support platform 200 is a bump, and the bump abuts against the inner wall, that is, the bump abuts against the inner wall 310 , so that the first outer wall 320 and the second outer wall 330 exposed for processing. The second support position 220 is the first groove, and the first outer wall abuts against the bottom of the first groove, that is, the inner wall 310 abuts against the bottom of the first groove, so that the inner wall 310 is exposed for processing, as shown in FIG. 5 , The inner wall 310 is composed of a first surface 311 and a second surface 312 . The first surface 311 is relative to the first outer wall 320, and the second surface 312 is relative to the second outer wall 330. Since the inner wall 310 abuts against the bottom of the first groove, when the housing 300 is fixed in the first groove, the first surface 311 Along the horizontal direction, the second surface 312 is vertical, which is convenient for processing the second surface 312 of the inner wall 310 . The third supporting position 230 is a second groove, and the second outer wall abuts against the bottom of the second groove, that is, the second outer wall 330 abuts against the bottom of the second groove. At this time, the first surface 311 is along the vertical direction, and the second The surface 312 is along the horizontal direction, which is convenient for processing the first surface 311 of the inner wall 310 .

It should be noted that the support table 200 can place three shells 300 at the same time, and process the three shells 300 at the same time. The first support position 210 is the first processing step, the second support position 220 is the second processing step, and the third support position 230 is the third processing step. In one processing process, the CNC machine tool completes three processing procedures on the housing 300 processing fixture. After completing one processing process, the housing 300 at the previous support position is moved to the next support position for positioning and fixing, and then A supporting position 210 is supplemented with the original shell 300, and then the next processing is performed. The processing jig and the processing method can reduce the number of times for the housing 300 to change different jigs, thereby reducing the accumulation of errors and improving the machining accuracy.

1 and 2, the limiting device 400 is provided with a first limiting component, the first limiting component includes two first limiting blocks 410, and the two first limiting blocks 410 are arranged on opposite sides of the support table 200. end, the first limiting block 410 at least partially protrudes from the second supporting position 220 and the third supporting position 230, and the first limiting component can limit the housing 300 on the second supporting position 220 and the third supporting position 230 at the same time . The limit device 400 is also provided with a second limit assembly, the second limit assembly includes two second limit blocks 420, the two second limit blocks 420 are arranged at opposite ends of the support table 200, and are located near the first At a position of a support position 210 , the second limit component can limit the housing 300 on the first support position 210 .

As shown in Figure 3, one end of the first limiting block 410 protrudes from the second supporting position 220, and the other end protrudes from the third supporting position 230, so that only two first limiting blocks 410 are required for the second supporting position. The housing 300 on the second support position 220 and the housing 300 on the third support position 230 are limited. Specifically, the two first limit blocks 410 are limited from both ends of the housing 300, that is, the housing 300 It is clamped between the two first limit blocks 410 . The same is true for the second limit block 420 , which will not be repeated here. The number of limiting blocks of the first limiting component and the second limiting component is not unique. The number of limiting blocks provided by the embodiment of the present invention is an optimal solution, which can save materials, and reducing the number of limiting blocks as much as possible can reduce the number of limiting blocks. Small positioning errors between different support levels.

1 and 6, the pressing device 500 includes a first cylinder 511 assembly 510 and a second cylinder 521 assembly 520, the first cylinder 511 assembly 510 is located near the first support position 210 and the second support position 220, and can Press the housing 300 on the first support position 210 and the second support position 220 , the second cylinder 521 assembly 520 is located near the third support position 230 and can compress the housing 300 on the third support position 230 .

It should be noted that there are multiple first cylinder 511 assemblies 510, the first cylinder 511 assembly 510 includes a first cylinder 511 and a first pressure block 512, and the first pressure block 512 is arranged on the first guide rod of the first cylinder 511 end, the first pressing block 512 can cooperate with the support table 200 to compress the casing 300 . Specifically, the first air cylinder 511 is arranged on the base plate 110 and is located in the space between the base plate 110 and the support platform 200, the support platform 200 is provided with a plurality of through holes, the first guide rod can pass through the through holes, and the first pressure block 512 Located on the top of the support table 200, the first pressing block 512 moves vertically following the first guide rod. When the first pressing block 512 moves downward, the first pressing block 512 presses the first supporting position 210 or the second The shell 300 on the supporting position 220 is fixed. The shape of the first pressing block 512 can be designed as a rectangle, a circle or other shapes, which will not be repeated here. The plurality of first cylinders 511 are connected by conduits, so that the plurality of first pressing blocks 512 can be controlled by a switch 130 to perform synchronous movement, that is, the plurality of first pressing blocks 512 work at the same time.

It should be noted that the second air cylinder 521 assembly 520 includes a second air cylinder 521 and a second pressing block 522, the second pressing block 522 is rotatably connected to the end of the second guide rod of the second air cylinder 521, and the second pressing block 522 can be The second cylinder 521 rotates and cooperates with the supporting platform 200 to compress the casing 300 . The second cylinder 521 assembly 520 is also provided with a third pressing block 523 and a connecting block 524, the third pressing block 523 and the second pressing block 522 are connected through the connecting block 524, the third pressing block 523 can follow the movement of the second pressing block 522, And compress the housing 300 . The base plate 110 is also provided with a mounting plate 140, and the second cylinder 521 is disposed on the mounting plate 140. There are two second cylinders 521, and the two second cylinders 521 are connected to the plurality of first cylinders 511 through conduits as well. , A switch 130 is arranged on the bottom plate 110, and the switch 130 controls a plurality of first air cylinders 511 and two second air cylinders 521 to work simultaneously.

Specifically, referring to FIG. 3 , the second pressing block 522 is provided with a fixed part 5221 and a rotating part 5222 , the rotating part 5222 is rotatably mounted on the fixed part 5221 , the fixed part 5221 is fixed on the second cylinder 521 , and the second cylinder 521 The guide rod passes through the fixed part 5221 and is connected to one end of the rotating part 5222, wherein, when the second guide rod moves upwards, the rotating part 5222 rotates and presses down to the housing 300 of the third support position 230, and when the second guide rod moves downward The rotating part 5222 rotates and breaks away from the housing 300 on the third supporting position 230 , and releases the fixing of the housing 300 on the third supporting position 230 .

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and within the scope of knowledge of those of ordinary skill in the art, various modifications can be made without departing from the spirit of the present invention. Variety.

Claims (10)

1. Casing adds clamping apparatus, its characterized in that includes:

a support;

the support table is arranged on the support and provided with three support positions, each support position can support one shell, each shell is an L-shaped shell, each L-shaped shell is provided with an inner wall, a first outer wall and a second outer wall, the first outer wall is opposite to the inner wall, the second outer wall is adjacent to the first outer wall, the three support positions comprise a first support position, a second support position and a third support position, the first support position can support the inner wall, the second support position can support the first outer wall, and the third support position can support the second outer wall, so that the numerical control machine can process different side walls of the three shells on the support table;

the limiting device is arranged on the supporting table and can limit the shell positioned on the supporting table;

and the pressing device is arranged on the support and can press and fix the shell on the support table.

2. The housing machining jig of claim 1, wherein the inner wall has a first face and a second face, and the first support location is a tab that abuts the first face and the second face and exposes the first outer wall and the second outer wall.

3. The housing machining jig of claim 2, wherein the second support location is a first groove, the first outer wall abuts a bottom of the first groove, and the second outer wall abuts a side wall of the first groove, exposing the inner wall and allowing the first face to be in a vertical orientation.

4. The housing machining jig of claim 3, wherein the third support location is a second groove, the second outer wall abuts a bottom of the second groove, and the first outer wall abuts a side wall of the second groove, exposing the inner wall and presenting the second face in a vertical orientation.

5. The housing processing fixture of claim 1, wherein the limiting device is provided with a first limiting assembly, the first limiting assembly comprises two first limiting blocks, the two first limiting blocks are disposed at two opposite ends of the supporting platform, the first limiting blocks at least partially protrude from the second supporting position and the third supporting position, and the first limiting assembly can limit the housing in the second supporting position and the third supporting position at the same time.

6. The shell machining clamp according to claim 5, wherein the limiting device is further provided with a second limiting assembly, the second limiting assembly comprises two second limiting blocks, the two second limiting blocks are arranged at two opposite ends of the supporting platform and are located at positions close to the first supporting position, and the second limiting assembly can limit the shell on the first supporting position.

7. The housing machining jig of claim 1, wherein the pressing means includes a first cylinder assembly located adjacent to the first support position and the second support position and capable of pressing the housing in the first support position and the second support position, and a second cylinder assembly located adjacent to the third support position and capable of pressing the housing in the third support position.

8. The housing machining jig of claim 7, wherein the first cylinder assembly comprises a first cylinder and a first pressing block, the first pressing block is disposed at an end of a first guide rod of the first cylinder, the first cylinder can drive the first pressing block to move in a vertical direction, and the first pressing block can press the housing in cooperation with the support table.

9. The shell machining clamp according to claim 8, wherein the second air cylinder assembly comprises a second air cylinder and a second pressing block, the second pressing block is rotatably connected with the end of a second guide rod of the second air cylinder, and the second pressing block can rotate under the action of the second air cylinder and is matched with the supporting table to press the shell.

10. The housing machining jig of claim 9, wherein the second cylinder assembly is further provided with a third pressing block and a connecting block, the third pressing block and the second pressing block are connected by the connecting block, and the third pressing block can follow the second pressing block and press the housing.

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