CN219254865U - Clamp - Google Patents

Abstract

The application relates to a clamp, the clamp includes: the substrate is provided with a front surface and a side surface connected with the front surface; the clamping assembly is arranged on the front surface and used for clamping a workpiece; the cleaning assembly comprises a driving piece arranged on the side face and a profiling air dividing block connected with the driving piece, and the driving piece can drive the profiling air dividing block to rotate so that the profiling air dividing block has a first position and a second position opposite to the first position; in the first position, the profiling air dividing block corresponds to the side face, and in the second position, the profiling air dividing block is higher than the front face and can blow air to the inner cavity of the workpiece. The clamping assembly can clamp the workpiece, the tool is convenient to process the workpiece, the profiling air dividing block is located at the first position, the profiling air dividing block and the driving piece are in an avoidance effect corresponding to the side face, normal processing of the workpiece is not affected, after the workpiece is processed, the driving piece drives the profiling air dividing block to rotate to the second position, and accordingly the inner cavity of the workpiece is cleaned in a blowing mode.

Description

Clamp

Technical Field

The application relates to the technical field of machining equipment, in particular to a clamp.

Background

At present, after the cavity type part is machined, scraps generated in the machining process can enter the cavity of the part, and the scraps in the cavity need to be cleaned manually after the machining is finished, so that the problems of time consumption and labor consumption exist.

Disclosure of Invention

Based on this, it is necessary to provide a clamp that enables quick cleaning of the scrap.

A clamp, comprising:

a substrate having a front surface and a side surface connected to the front surface;

the clamping assembly is arranged on the front surface and used for clamping a workpiece; a kind of electronic device with high-pressure air-conditioning system

The cleaning assembly comprises a driving piece arranged on the side face and a profiling air dividing block connected with the driving piece, and the driving piece can drive the profiling air dividing block to rotate so as to enable the profiling air dividing block to have a first position and a second position opposite to the first position; and when the profiling air dividing block is in the first position, the profiling air dividing block corresponds to the side surface, and when the profiling air dividing block is in the second position, the profiling air dividing block is higher than the front surface and can blow air into the inner cavity of the workpiece.

In the clamp, the workpiece can be clamped by the clamping assembly, so that the workpiece can be machined by the tool conveniently, and in addition, the cleaning assembly is arranged, so that the inner cavity of the workpiece can be blown after the workpiece is machined, and the rapid cleaning of scraps inside the workpiece can be automatically realized. Further, the clamping component and the workpiece are both positioned on the front surface of the substrate, and the cleaning component is positioned on the side surface of the substrate, so that when the workpiece is processed by the cutter, the profiling air dividing block can be positioned at the first position, and is positioned outside the processing area of the workpiece corresponding to the side surface together with the driving component, so that the avoidance effect is achieved, the normal processing of the workpiece is not influenced, and after the processing of the workpiece is finished, the driving component can drive the profiling air dividing block to rotate to the second position, so that air is blown into the inner cavity of the workpiece, the cleaning of the inner cavity of the workpiece is realized, and the profiling air dividing block is simple and convenient to operate, time-saving and labor-saving.

In one embodiment, an air supply channel is formed in the profiling air distribution block, one end of the air supply channel is connected with a pipe joint, and the other end of the air supply channel is in the second position and can be communicated with the inner cavity of the workpiece.

In one embodiment, the profiling air dividing block is provided with an attaching surface, and one end of the air supply channel, which is far away from the pipe joint, is positioned on the attaching surface; in the second position, the abutting surface can be abutted against the end surface of the workpiece.

In one embodiment, the abutting surface is an inclined surface inclined relative to the rotation plane of the profiling air dividing block.

In one embodiment, the fixture includes an in-place sensor mounted to the front face and configured to sense an end face of the workpiece.

In one embodiment, a plurality of air supply channels are arranged, and the plurality of air supply channels are communicated with each other in the profiling air distribution block and share one pipe joint; and/or the plurality of air supply channels are communicated with the plurality of inner cavities of the workpiece in a one-to-one correspondence manner.

In one embodiment, the clamping assembly comprises a first clamping assembly and a second clamping assembly, wherein the first clamping assembly clamps and fixes the workpiece along the direction vertical to the front surface, and the second clamping assembly clamps and fixes the workpiece along the direction parallel to the front surface; the first clamping assemblies and the second clamping assemblies are multiple, the first clamping assemblies are arranged at intervals, the second clamping assemblies are arranged at intervals, and the second clamping assemblies are arranged between any two adjacent first clamping assemblies.

In one embodiment, the first clamping assembly comprises a supporting block, a pressing block and a first power piece, wherein the first power piece is connected with the pressing block so as to drive the pressing block to be close to or far away from the supporting block, and the pressing block is matched with the supporting block so as to be capable of jointly clamping the workpiece along the direction perpendicular to the front face; and/or the number of the groups of groups,

the second clamping assembly comprises a fixed clamping block, a movable clamping block and a second power piece, wherein the second power piece is connected with the movable clamping block so as to drive the movable clamping block to be close to or far away from the fixed clamping block, and the fixed clamping block is matched with the movable clamping block so as to be capable of clamping the workpiece together along a direction parallel to the front face.

In one embodiment, the fixture comprises two seats and two turntables, and the two turntables are in one-to-one corresponding rotary connection with the two seats; two ends of the base plate are respectively connected with the two turntables and rotate along with the rotation of the turntables relative to the base body.

In one embodiment, the fixture comprises a third power member, wherein the third power member is mounted on one of the two base bodies and can drive the turntable to rotate relative to the base bodies.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view and an enlarged partial structural view of a clamp according to an embodiment of the present application;

FIG. 2 is a schematic structural view of the clamp shown in FIG. 1 in another state and a partially enlarged schematic structural view thereof;

reference numerals illustrate:

1. a clamp; 10. a substrate; 11. a front face; 12. a side surface; 13. fixing the bridge plate; 20. a cleaning assembly; 21. a driving member; 211. a flip arm; 22. profiling air dividing blocks; 221. a gas supply channel; 222. a bonding surface; 23. a pipe joint; 30. a first clamping assembly; 31. a support block; 32. briquetting; 33. a first power member; 40. a second clamping assembly; 41. fixing the clamping blocks; 42. a movable clamping block; 43. a second power member; 50. a base; 60. a turntable; 70. a third power member; 80. a workpiece; 81. an inner cavity; 82. an end face; 83. a first surface; 84. a second surface.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 and 2, the present application provides a fixture 1, where the fixture 1 includes a substrate 10, a clamping assembly, and a cleaning assembly 20. The substrate 10 has a front surface 11 and a side surface 12 connected to the front surface 11. A clamping assembly is mounted to the front face 11 for clamping the workpiece 80. The cleaning unit 20 includes a driving member 21 mounted on the side 12 and a profiling air dividing block 22 connected to the driving member 21, wherein the driving member 21 can drive the profiling air dividing block 22 to rotate so that the profiling air dividing block 22 has a first position (as shown in fig. 1) and a second position (as shown in fig. 2) opposite to the first position, the profiling air dividing block 22 corresponds to the side 12 in the first position, and the profiling air dividing block 22 is higher than the front 11 in the second position, and can blow air into the inner cavity 81 of the workpiece 80.

It will be appreciated that in the above-mentioned fixture 1, the workpiece 80 can be clamped by setting the clamping assembly, so as to facilitate the tool to process the workpiece 80, and in addition, by setting the cleaning assembly 20, the inner cavity 81 of the workpiece 80 can be blown after the processing of the workpiece 80 is completed, so as to automatically realize the rapid cleaning of the scraps inside the workpiece 80. Further, the clamping assembly and the workpiece 80 are both located on the front surface 11 of the substrate 10, and the cleaning assembly 20 is located on the side surface 12 of the substrate 10, so that when the workpiece 80 is processed by the tool, the profiling air dividing block 22 can be located at the first position, so that the profiling air dividing block and the driving member 21 are located outside the processing area of the workpiece 80 corresponding to the side surface 12, so as to play a role in avoiding, normal processing of the workpiece 80 is not affected, and after the workpiece 80 is processed, the driving member 21 can drive the profiling air dividing block 22 to rotate to the second position, so that air is blown into the inner cavity 81 of the workpiece 80, cleaning of the inner cavity 81 of the workpiece 80 is achieved, and the profiling air dividing block is simple and convenient to operate, time-saving and labor-saving.

In the present application, the protection level of the driving member 21 and the profile air dividing block 22 is 7, so that the present utility model can be applied to a severe processing environment.

Specifically, the driving member 21 is a turnover cylinder that can rotate the profiling block 22 by 90 ° so that the profiling block 22 rotates by 90 ° from the first position to the second position. Specifically, the driving member 21 is fixedly mounted to the side 12 of the base plate 10 by the fixed bridge 13, and the profile-modeling air dividing block 22 is connected to the flip arm 211 of the driving member 21 so as to move from the first position to the second position as the flip arm 211 rotates.

Specifically, in the present application, the air supply channel 221 is formed inside the profiling air dividing block 22, one end of the air supply channel 221 is connected to the pipe joint 23, and the other end of the air supply channel can communicate with the inner cavity 81 of the workpiece 80 at the second position. An external fan (not shown) may be connected to the pipe joint 23 through a pipe, and when the driving member 21 drives the profiling air dividing block 22 to rotate to the second position, air flows into the air supply channel 221 through the pipe joint 23 and enters the inner cavity 81 of the workpiece 80 from the other end of the air supply channel 221, so that the scraps are discharged from the other end of the workpiece 80 under the blowing force of the air flow.

Further, the plurality of air supply channels 221 are provided in the profiling block 22, and the plurality of air supply channels 221 communicate with each other in the profiling block 22 and share one pipe joint 23. In this way, the air flow generated by the external fan is split in the profiling air dividing block 22 after passing through one pipe joint 23, and a plurality of air flows are formed. It should be noted that, the pipe joint 23 may be installed at the end of each air supply channel 221, and the plurality of pipes connected to the external fan may be connected to the plurality of pipe joints 23 in a one-to-one correspondence manner, so that the air flow supplied from the external fan enters the plurality of air supply channels 221 through the plurality of pipe joints 23, thereby forming a plurality of air flows.

For the workpiece 80, the workpiece 80 is provided with a plurality of inner cavities 81 which are mutually divided, and a plurality of air supply channels 221 of the profiling air dividing block 22 are communicated with the plurality of inner cavities 81 of the workpiece 80 in a one-to-one correspondence manner, so that air flows in the plurality of air supply channels 221 clean the plurality of inner cavities 81 in a one-to-one correspondence manner.

As shown in fig. 1 and 2, in particular, in the present application, the profiling air dividing block 22 has an abutment surface 222, and an end of the air supply channel 221 away from the pipe joint 23 is located on the abutment surface 222, and in the second position, the abutment surface 222 can be abutted against the end surface 82 of the workpiece 80. Through setting up the faying surface 222 to profile modeling minute air block 22 to when driving piece 21 drove profile modeling minute air block 22 rotatory to the second position, faying surface 222 just laminates with the terminal surface 82 of work piece 80 mutually, thereby can strengthen the effect of blowing, avoid appearing the condition of gas leakage, make the cleaning effect obtain promoting.

Specifically, the abutment surface 222 is an inclined surface inclined with respect to the rotation plane of the profile modeling gas separation block 22. It will be appreciated that by providing the abutment surface 222 as a ramp, the vertical distance between the abutment surface 222 and the end surface 82 of the workpiece 80 can be gradually reduced during the rotation of the contoured air distribution block 22 from the first position to the second position by the driving member 21, and the abutment surface 222 is precisely abutted against the end surface 82 of the workpiece 80 when the contoured air distribution block 22 moves to the second position.

It will be appreciated that if the abutment surface 222 is a plane parallel to the plane of rotation of the contoured air separation block 22, then when the contoured air separation block 22 does not reach the second position, a portion of the abutment surface 222 will already abut the end surface 82 of the workpiece 80, such that as the contoured air separation block 22 continues to move toward the second position, the abutment surface 222 will rub against the end surface 82 of the workpiece 80 and the abutment surface 222 will gradually increase in area, which will cause wear to both the abutment surface 222 and the end surface 82 of the workpiece 80. By setting the bonding surface 222 to be an inclined surface, the foregoing problem can be effectively solved, and the bonding between the bonding surface 222 and the end surface 82 of the workpiece 80 in the second position is ensured.

Specifically, the ends of the plurality of air supply passages 221 remote from the pipe joint 23 are located on the fitting surface 222. When the bonding surface 222 is bonded to the end surface 82 of the workpiece 80, one ends of the plurality of air supply pipes far away from the pipe joint 23 are just in one-to-one correspondence with the plurality of inner cavities 81 of the workpiece 80, so that the air flow in the plurality of air supply channels 221 is in one-to-one cleaning on the plurality of inner cavities 81.

In particular in this application, the fixture 1 includes an in-place sensor (not shown) mounted to the front face 11 and adapted to sense an end face 82 of the workpiece 80. It will be appreciated that the in-place sensor serves as a reference for the installation of the end face 82 of the workpiece 80 in place and may emit a sensing signal when the workpiece 80 is installed in place. Through setting up the inductor in place, can guarantee that the terminal surface 82 of work piece 80 is located the established position to this guarantees that driving piece 21 is when the motion of drive profile modeling gas separation block 22 to the second position, laminating face 222 just can accurately laminate with the terminal surface 82 of work piece 80.

As shown in fig. 1 and 2, in particular, in the present application, the clamping assembly includes a first clamping assembly 30 and a second clamping assembly 40, wherein the first clamping assembly 30 clamps and fixes the workpiece 80 in a direction perpendicular to the front surface 11, and the second clamping assembly 40 clamps and fixes the workpiece 80 in a direction parallel to the front surface 11. The first clamping assemblies 30 and the second clamping assemblies 40 are multiple, the first clamping assemblies 30 are arranged at intervals, the second clamping assemblies 40 are arranged at intervals, and the second clamping assemblies 40 are arranged between any two adjacent first clamping assemblies 30.

It will be appreciated that the first clamping assembly 30 cooperates with the second clamping assembly 40 to clamp the workpiece 80 in a direction perpendicular to the front face 11 and in a direction parallel to the front face 11, thereby achieving stable clamping of the workpiece 80 on the substrate 10. In addition, the plurality of first clamping assemblies 30 cooperate with the plurality of second clamping assemblies 40 to provide stable clamping of the workpiece 80 at a plurality of locations. The positions of the first clamping assemblies 30 and the second clamping assemblies 40 may be set according to the shape of the workpiece 80 and the clamping requirement of the workpiece 80.

In addition, the workpiece 80 has, in addition to the two end faces 82, two first surfaces 83 having a smaller area and two second surfaces 84 having a larger area, the two second surfaces 84 being arranged perpendicularly to the front face 11, the two first surfaces 83 being connected between the two second surfaces 84. It will be appreciated that the first clamping assembly 30 clamps the workpiece 80 against the first surface 83 and the second clamping assembly 40 clamps the workpiece 80 against the second surface 84. By providing the second clamping assembly 40 between the two first clamping assemblies 30, it is ensured that the larger area of the second surface 84 is effectively clamped, and the clamping stability of the workpiece 80 is improved.

Specifically, in the embodiment of the present application, the first clamping assembly 30 includes a support block 31, a pressing block 32, and a first power member 33, where the first power member 33 is connected to the pressing block 32 to drive the pressing block 32 to approach or separate from the support block 31, and the pressing block 32 cooperates with the support block 31 to be capable of jointly clamping the workpiece 80 in a direction perpendicular to the front surface 11. It will be appreciated that the first power member 33 drives the press block 32 in a direction perpendicular to the front face 11 such that the press block 32 and the support block 31 abut against the two first surfaces 83 of the workpiece 80, respectively. Specifically, when the workpiece 80 is clamped, the weight of the workpiece 80 acts on the supporting block 31, the supporting block 31 supports the workpiece 80, and the first power piece 33 drives the pressing block 32 to move, so that the pressing block 32 is pressed on the first surface 83, far away from the supporting block 31, of the workpiece 80, and the workpiece 80 is pre-pressed. To avoid damage to the first surface 83 of the workpiece 80 by the press block 32, a flexible pad may be mounted on the press block 32, the flexible pad being capable of undergoing flexible deformation, thereby providing a cushioning protection for the workpiece 80.

In particular, in the present application, the second clamping assembly 40 includes a fixed clamping block 41, a movable clamping block 42, and a second power member 43, where the second power member 43 is connected to the movable clamping block 42 to drive the movable clamping block 42 toward or away from the fixed clamping block 41, and the fixed clamping block 41 cooperates with the movable clamping block 42 to be capable of jointly clamping the workpiece 80 in a direction parallel to the front face 11. It will be appreciated that the second power member 43 drives the movable clamp block 42 in a direction parallel to the front face 11 such that the movable clamp block 42 and the fixed clamp block 41 abut against the two second surfaces 84 of the workpiece 80, respectively. Specifically, when the workpiece 80 is clamped, the fixed clamping blocks 41 of the plurality of second clamping assemblies 40 cooperate together to be used as a reference surface of the workpiece 80 in a direction parallel to the front face 11 to be closely attached to the second surface 84 of the workpiece 80, and then after the second power piece 43 drives the movable clamping block 42 to move, the movable clamping block 42 can press the workpiece 80 from the other side of the workpiece 80, so that the fixed clamping block 41 cooperates with the movable clamping block 42 to clamp the workpiece 80. Considering that both the second surfaces 84 are surfaces to be processed of the workpiece 80, in order to avoid damage to the second surfaces 84 of the workpiece 80, flexible pads may be mounted on both the fixed clamping block 41 and the movable clamping block 42, and the flexible pads may be flexibly deformed, so as to play a role in buffering and protecting the workpiece 80.

In this application, the first power member 33 and the second power member 43 are both cylinders.

In this application, the fixture 1 includes two base bodies 50 and two turntables 60, the two turntables 60 are rotatably connected with the two base bodies 50 in a one-to-one correspondence manner, and two ends of the substrate 10 are respectively connected with the two turntables 60 and rotate along with the rotation of the turntables 60 relative to the base bodies 50. By connecting the base plate 10 between the two turntables 60, the posture of the workpiece 80 can be changed by rotating the two turntables 60 relative to the two base bodies 50 after the workpiece 80 is clamped on the base plate 10, thereby facilitating the machining of different positions of the workpiece 80 by the tool. It will be appreciated that in this application, the two turntables 60 are coaxially disposed.

Further, the fixture 1 includes a third power member 70, wherein the third power member 70 is mounted on one of the two base bodies 50, and is capable of driving the turntable 60 to rotate relative to the base bodies 50. By providing the third power member 70, rotation of the dial 60 relative to the housing 50 may be powered. In the present application, the third power member 70 is a motor capable of outputting a rotational motion, and the third power member 70 may drive the turntable 60 to rotate via a gear transmission.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A clamp, comprising:

a substrate having a front surface and a side surface connected to the front surface;

the clamping assembly is arranged on the front surface and used for clamping a workpiece; a kind of electronic device with high-pressure air-conditioning system

The cleaning assembly comprises a driving piece arranged on the side face and a profiling air dividing block connected with the driving piece, and the driving piece can drive the profiling air dividing block to rotate so as to enable the profiling air dividing block to have a first position and a second position opposite to the first position; and when the profiling air dividing block is in the first position, the profiling air dividing block corresponds to the side surface, and when the profiling air dividing block is in the second position, the profiling air dividing block is higher than the front surface and can blow air into the inner cavity of the workpiece.

2. The fixture of claim 1, wherein the profiling air dividing block is internally provided with an air supply channel, one end of the air supply channel is connected with a pipe joint, and the other end of the air supply channel can be communicated with an inner cavity of the workpiece at the second position.

3. The clamp of claim 2, wherein the contoured air separation block has a mating face, an end of the air supply channel remote from the tube joint being located at the mating face; in the second position, the abutting surface can be abutted against the end surface of the workpiece.

4. A clamp according to claim 3, wherein the abutment surface is a bevel inclined relative to the plane of rotation of the profiled air distribution block.

5. A fixture according to claim 3, wherein the fixture comprises an in-place sensor mounted to the front face and adapted to sense an end face of the workpiece.

6. The clamp according to claim 2, wherein a plurality of said air supply channels are provided, and a plurality of said air supply channels are communicated with each other inside said profile modeling air dividing block and share one of said pipe joints; and/or the plurality of air supply channels are communicated with the plurality of inner cavities of the workpiece in a one-to-one correspondence manner.

7. The clamp of claim 1, wherein the clamping assembly comprises a first clamping assembly that clamps and secures the workpiece in a direction perpendicular to the front face and a second clamping assembly that clamps and secures the workpiece in a direction parallel to the front face; the first clamping assemblies and the second clamping assemblies are multiple, the first clamping assemblies are arranged at intervals, the second clamping assemblies are arranged at intervals, and the second clamping assemblies are arranged between any two adjacent first clamping assemblies.

8. The clamp of claim 7, wherein the first clamping assembly comprises a support block, a press block, and a first power member coupled to the press block to drive the press block toward or away from the support block, the press block cooperating with the support block to be capable of co-clamping the workpiece in a direction perpendicular to the front face; and/or the number of the groups of groups,

the second clamping assembly comprises a fixed clamping block, a movable clamping block and a second power piece, wherein the second power piece is connected with the movable clamping block so as to drive the movable clamping block to be close to or far away from the fixed clamping block, and the fixed clamping block is matched with the movable clamping block so as to be capable of clamping the workpiece together along a direction parallel to the front face.

9. The fixture of claim 1, wherein the fixture comprises two seats and two turntables, and the two turntables are in one-to-one corresponding rotary connection with the two seats; two ends of the base plate are respectively connected with the two turntables and rotate along with the rotation of the turntables relative to the base body.

10. The clamp of claim 9, including a third power member mounted to one of the two housings and capable of driving the turntable to rotate relative to the housing.

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