CN210281442U - Frock clamp and anchor clamps rotary device - Google Patents

Abstract

The utility model provides a frock clamp and anchor clamps rotary device, axial displacement through anchor clamps angle interface can make external tooth and internal tooth mesh or phase separation, and then when external tooth meshes with the internal tooth mutually, anchor clamps angle interface is injectd for the circumference degree of freedom of anchor clamps base, and when external tooth and internal tooth phase separation, can freely adjust the circumference angle of anchor clamps angle interface for the anchor clamps base. With the adoption of the configuration, the circumferential angle of the clamp angle interface relative to the clamp base can be adjusted by adjusting the relative meshing position of the external teeth and the internal teeth, and the range of free adjustment is wide. In addition, the fixture angle interface and the fixture base are connected through tooth meshing, and the positioning accuracy is high and stable. In addition, when the required angle is changed, the tool does not need to be disassembled, and the machining angle can be quickly adjusted only through the axial movement of the angle interface of the clamp, so that time and labor are saved.

Description

Frock clamp and anchor clamps rotary device

Technical Field

The utility model relates to a machining technology field, in particular to frock clamp and anchor clamps rotary device.

Background

At present, the surgical tools for hip and knee joints of medical instruments are various and fine, and various procedures are involved in the processing process of the surgical tools, including: machining center, slow wire moving machine, turning and the like. Because the surgical tools are different according to different patient groups, the angles of the characteristics are also different, wherein the angle holes and the angle grooves of the tools are formed by processing slow threads. The chinese patent application publication No. CN101121258A discloses a device for completing machining by matching an angle clamp with a tool when machining an angle feature on a slow wire 3 shaft, which can save the cost of adding a B shaft, avoid wire swinging and improve the machining precision by setting the angle clamp. However, when different required angles are machined, the tool needs to be installed back and forth, and the machining precision can be influenced by repeated installation. The patent publication No. CN207656288U discloses an angle clamp, which can realize the change of the processing angle without disassembling the tool, but it can only rotate 30 °, 45 ° and its multiple, and the adjustable range is small. In addition, when the angle is changed, the quick-change connector matched with the tool needs to be taken down, the required angle is adjusted, and then the installation is carried out, and if the clamped product is too heavy, the labor and the time are consumed. In addition, the device is after angle adjustment, and the locate mode is the pinhole location, and positioning accuracy is relatively poor, connects unstably.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frock clamp and anchor clamps rotary device to in solving current frock clamp, be difficult to conveniently adjust the problem of processing angle.

In order to solve the technical problem, the utility model provides a tool clamp, it includes:

the clamp base comprises a first inner cavity, and inner teeth are arranged on the inner wall of the first inner cavity along the circumferential direction;

at least one part of the clamp angle interface is axially and movably arranged in the first inner cavity, and outer teeth matched with the inner teeth are circumferentially arranged on the outer wall of the clamp angle interface; and

the tool body is used for loading a workpiece and is connected with the clamp angle interface;

wherein the clamp angle interface is configured to move axially to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base when the external teeth engage the internal teeth; the clamp angle interface is further configured to move axially to disengage the outer teeth from the inner teeth to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base.

Optionally, the inner teeth are evenly distributed on the inner wall of the first inner cavity along the circumferential direction.

Optionally, the outer teeth are disposed at one end of the clamp angle interface, the first inner cavity has an open end, the inner teeth are disposed at the open end, and the outer teeth are disposed at one end of the clamp angle interface close to the open end.

Optionally, the fixture angle interface includes a first limiting surface, and the first limiting surface is disposed at an end away from the external teeth; the fixture base further comprises a positioning pin which extends into the first inner cavity along the radial direction, and the positioning pin is configured to limit axial displacement of the fixture angle interface towards the direction of the outer tooth end by abutting against the first limiting surface.

Optionally, the fixture angle interface further includes a second limiting surface, and the second limiting surface is located between the first limiting surface and the external teeth; the positioning pin is further configured to abut against the second limiting surface to limit axial displacement of the clamp angle interface in the direction away from the end provided with the external teeth.

Optionally, a locking mechanism is further included to define an axial degree of freedom of the clamp angle interface relative to the clamp base.

Optionally, the first inner cavity has a closed end, the closed end has a bolt through hole, and an end of the clamp angle interface facing the closed end has a threaded hole; the locking mechanism comprises a locking bolt, the locking bolt penetrates through the bolt through hole and is matched with the threaded hole, and the locking bolt is configured to lock the clamp angle interface by rotating the locking bolt.

Optionally, one of the fixture angle interface and the fixture base is provided with a dial, and the other is provided with a scale pointer.

Optionally, the tool body is connected with the fixture angle interface through a quick-change interface.

In order to solve the technical problem, the utility model also provides an anchor clamps rotary device, it includes:

the clamp base comprises a first inner cavity, and inner teeth are arranged on the inner wall of the first inner cavity along the circumferential direction; and

at least one part of the clamp angle interface is axially and movably arranged in the first inner cavity, and outer teeth matched with the inner teeth are circumferentially arranged on the outer wall of the clamp angle interface;

wherein the clamp angle interface is configured to move axially to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base when the external teeth engage the internal teeth; the clamp angle interface is further configured to move axially to disengage the outer teeth from the inner teeth to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base.

To sum up, in the utility model provides an among frock clamp and the anchor clamps rotary device, axial displacement through anchor clamps angle interface can make external tooth and internal tooth mesh or phase separation, and then when external tooth and internal tooth mesh, anchor clamps angle interface is injectd for the circumference degree of freedom of anchor clamps base, and when external tooth and internal tooth phase separation, can freely adjust the circumference angle of anchor clamps angle interface for the anchor clamps base. With the adoption of the configuration, the circumferential angle of the clamp angle interface relative to the clamp base can be adjusted by adjusting the relative meshing position of the external teeth and the internal teeth, and the range of free adjustment is wide. In addition, the fixture angle interface and the fixture base are connected through tooth meshing, and the positioning accuracy is high and stable. In addition, when the required angle is changed, the tool does not need to be disassembled, and the machining angle can be quickly adjusted only through the axial movement of the angle interface of the clamp, so that time and labor are saved.

Drawings

Those skilled in the art will appreciate that the drawings are provided for a better understanding of the invention and do not constitute any limitation on the scope of the invention. Wherein:

fig. 1 is a perspective view of a tool holder according to an embodiment of the present invention;

FIG. 2 is another angle of the tooling fixture shown in FIG. 1;

fig. 3 is a front view of a tooling fixture according to an embodiment of the present invention, wherein the scale is 0 °;

fig. 4 is an axial sectional view of a tool holder according to an embodiment of the present invention, in which external teeth are engaged with internal teeth;

fig. 5 is an axial sectional view of a tool holder according to an embodiment of the present invention, in which external teeth are separated from internal teeth;

fig. 6 is a front view of the tooling fixture according to an embodiment of the present invention, wherein the scale is 45 °.

In the drawings:

2-a clamp base; 20-a first lumen; 21-base datum level; 22-internal teeth; 23-a locating pin; 3-clamp angle interface; 31-interface boss; 32-external teeth; 33-clamp angle interface body; 34-a limit concave table; 35-a first limiting surface; 36-a second limiting surface; 4-quick change interface; 5-a tool body; 6-locking the bolt.

Detailed Description

To make the objects, advantages and features of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in simplified form and are not to scale, but rather are provided for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the content clearly dictates otherwise. As used in this specification and the appended claims, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise.

The utility model discloses a core thought lies in providing a frock clamp and anchor clamps rotary device, frock clamp includes anchor clamps base, anchor clamps angle interface and is used for loading the frock body of work piece. The clamp base comprises a first inner cavity, and inner teeth are arranged on the inner wall of the first inner cavity along the circumferential direction; at least one part of the clamp angle interface is axially and movably arranged in the first inner cavity, and outer teeth matched with the inner teeth are circumferentially arranged on the outer wall of the clamp angle interface; the tool body is connected with the clamp angle interface; wherein the clamp angle interface is configured to move axially to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base when the external teeth engage the internal teeth; the clamp angle interface is further configured to move axially to disengage the outer teeth from the inner teeth to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base. With this configuration, the external teeth and the internal teeth can be engaged with or disengaged from each other by the axial movement of the clamp angle interface, and further, when the external teeth and the internal teeth are engaged with each other, the circumferential degree of freedom of the clamp angle interface with respect to the clamp base is limited, and when the external teeth and the internal teeth are disengaged with each other, the circumferential angle of the clamp angle interface with respect to the clamp base can be freely adjusted. With the adoption of the configuration, the circumferential angle of the clamp angle interface relative to the clamp base can be adjusted by adjusting the relative meshing position of the external teeth and the internal teeth, and the range of free adjustment is wide. In addition, the fixture angle interface and the fixture base are connected through tooth meshing, and the positioning accuracy is high and stable. In addition, when the required angle is changed, the tool does not need to be disassembled, and the machining angle can be quickly adjusted only through the axial movement of the angle interface of the clamp, so that time and labor are saved.

The following description refers to the accompanying drawings.

Please refer to fig. 1 to 6, wherein, fig. 1 is a perspective view of a tooling fixture provided by an embodiment of the present invention, fig. 2 is another angle of the tooling fixture shown in fig. 1, fig. 3 is a front view of the tooling fixture provided by an embodiment of the present invention, in which the scale is 0 °, fig. 4 is an axial sectional view of the tooling fixture provided by an embodiment of the present invention, in which the outer teeth are engaged with the inner teeth, fig. 5 is an axial sectional view of the tooling fixture provided by an embodiment of the present invention, in which the outer teeth are separated from the inner teeth, fig. 6 is a front view of the tooling fixture provided by an embodiment of the present invention, in which the scale is 45 °.

As shown in fig. 1 and 2, the present embodiment provides a tool holder, which includes: the fixture comprises a fixture base 2, a fixture angle interface 3 and a fixture body 5 for loading a workpiece. Referring to fig. 5, the clamp base 2 includes a first inner cavity 20, and inner teeth 22 are circumferentially provided on an inner wall of the first inner cavity 20; at least one part of the clamp angle interface 3 is axially and movably arranged in the first inner cavity 20, and outer teeth 32 matched with the inner teeth 22 are circumferentially arranged on the outer wall of the clamp angle interface 3; the tool body 5 is connected with the clamp angle interface 3; wherein the clamp angle interface 3 is configured to move axially to define a circumferential degree of freedom of the clamp angle interface 3 relative to the clamp base 2 when the external teeth 32 engage with the internal teeth 22; the clamp angle interface 3 is further configured to be axially displaced to release the definition of the circumferential degree of freedom of the clamp angle interface 3 relative to the clamp base 2 when the outer teeth 32 are disengaged from the inner teeth 22. Here, the axial direction and the circumferential direction refer to a circumferential direction of the bottom surface of the jig angle port 3, that is, a direction of the rotation center axis of the jig angle port 3, and the circumferential direction refers to a direction of the rotation around the axial direction, respectively, when the jig angle port 3 is regarded as a cylinder.

During practical application, the fixture base 2 can be fixedly installed on the machining equipment in advance (in practice, the fixture base 2 does not need to be disassembled), then the fixture body 5 and the fixture provided by the embodiment are assembled and connected, then a workpiece to be machined is fixedly installed on the fixture body 5, and then the fixture body 5 can be machined according to a preset angle (such as the direction perpendicular to the fixture body 5). Based on the above configuration, if the angle of the tool body 5 with respect to its own axis is adjusted, the angle of the workpiece to be machined with respect to the machining apparatus, that is, the machining angle can be adjusted.

Referring to fig. 4 and 5, in an alternative embodiment, the fixture angle interface 3 includes a cylindrical fixture angle interface body 33, an outer diameter of which is matched with an inner diameter of the first inner cavity 20 (the outer diameter of the fixture angle interface body 33 is slightly smaller than the inner diameter of the first inner cavity 20), the fixture angle interface body 33 is inserted into the first inner cavity 20, and the fixture base 2 defines a radial degree of freedom of the fixture angle interface 3 by abutting the fixture angle interface body 33 against an inner wall of the first inner cavity 20, that is, the fixture angle interface 3 can move axially and rotate circumferentially relative to the fixture base 2, but cannot move radially. Preferably, the external teeth 32 are disposed at one end of the fixture angle interface 3, the first inner cavity 20 has an open end, the internal teeth 22 are disposed at the open end, and the external teeth 32 are disposed at one end of the fixture angle interface 3 close to the open end, so as to be engaged with the external teeth 32 of the fixture angle interface 3. As shown in fig. 4 and 5, the external teeth 32 are disposed at the right end of the clamp angle interface 3, and the open end of the first inner cavity 20 faces the right side of the drawing, so that the external teeth 32 can be separated from or engaged with the internal teeth 22 by moving (pulling out or inserting) the clamp angle interface 3 axially by a small distance.

Preferably, as shown in fig. 1 and 3, the inner teeth 22 are uniformly distributed on the inner wall of the first inner cavity 20 along the circumferential direction, so that the angle of the clamp angle interface 3 can be continuously adjusted along 360 degrees along the circumferential direction. Meanwhile, the external teeth 32 of the fixture angle interface 3 are not limited to be evenly distributed on the entire periphery of the fixture angle interface 3 along the circumferential direction, and the external teeth 32 may be disposed along the outer peripheral portion of the fixture angle interface 3 so as to reduce the resistance when the fixture angle interface 3 is inserted into the first inner cavity 20 along the axial direction.

In an exemplary embodiment, the number of the internal teeth 22 is 120, and when two adjacent external teeth 32 of the clamp angle interface 3 are respectively engaged with the same internal teeth 22, the clamp angle interface 3 generates an angle change of 3 ° with respect to the first inner cavity 20. So dispose, among the frock clamp, anchor clamps angle interface 3 can be 3 for the circumferential angle of anchor clamps base 2 and be an adjustment cardinal number, 360 freedom adjustment, and the adjustable range of relative prior art is bigger, more nimble. Of course, the number of the inner teeth 22 is not limited to 120, and those skilled in the art can set the number of the inner teeth 22 differently, such as 90 or 72, as needed, to meet the requirements of different adjustment bases.

As shown in fig. 3, preferably, one of the fixture angle interface 3 and the fixture base 2 is provided with a dial, and the other is provided with a scale pointer. For example, a base reference surface 21 perpendicular to the axis of the first cavity 20 is provided on the open end side of the first cavity 20 of the jig base 2, and a scale is provided on the base reference surface 21, and the scale is divided at intervals of 15 ° and is marked with an angle. In conjunction with this, the clamp angle interface 3 is provided with an interface boss 31 adjacent to the outer teeth 32, and the interface boss 31 is provided with a scale pointer which can correspond to the scale on the dial to identify the specific angle of the clamp angle interface 3 relative to the clamp base 2. Optionally, when the scale pointer on the interface boss 31 aligns with the 0 ° scale mark on the base reference surface 21, the bottom surface of the fixture body 5 is parallel to the mounting bottom surface of the fixture base 2, and generally, the mounting bottom surface of the fixture base 2 is perpendicular to the machining angle of the machining device, so that the machining angle is perpendicular to the workpiece fixed on the fixture body 5, and the deflection angle is 0 °. Therefore, the scale indicated by the scale pointer on the interface boss 31 corresponds to the deflection angle of the machining angle of the workpiece. As shown in fig. 6, the scale pointer on the interface boss 31 is aligned with the 45 ° scale line on the base reference surface 21, and the deflection angle of the machining angle to the workpiece is 45 °.

With continued reference to fig. 4 and fig. 5, preferably, the fixture angle interface 3 includes a first limiting surface 35, and the first limiting surface 35 is disposed at an end away from the external teeth 32; the fixture base 2 further includes a positioning pin 23, the positioning pin 23 radially extends into the first inner cavity 20, and the positioning pin 23 is configured to limit axial displacement of the fixture angle interface 3 toward the end provided with the external teeth 32 by abutting against the first limiting surface 35. One end of the fixture angle interface body 33 far away from the external teeth 32 can be provided with a limit concave table 34, the limit concave table 34 is a section area of the fixture angle interface body 33 recessed along the circumferential direction, the outer diameter of the limit concave table 34 is smaller than the outer diameter of the fixture angle interface body 33, and the distance between the outer wall of the limit concave table 34 and the inner wall of the first inner cavity 20 is slightly larger than the distance of the positioning pin 23 extending into the first inner cavity 20, so that the limit concave table 34 can not contact with the positioning pin 23 in the process of the fixture angle interface 3 moving along the axial direction. The first stopper surface 35 is formed at an end of the stopper recess 34 away from the external teeth 32, which faces in the direction of the external teeth 32. So dispose, when anchor clamps angle interface 3 orientation be equipped with the direction axial displacement of external tooth 32 one end (be about to anchor clamps angle interface 3 and extract first inner chamber 20), make first spacing face 35 and locating pin 23 contact and lean on when, locating pin 23 prevents anchor clamps angle interface 3 to further move towards the direction axial displacement that is equipped with external tooth 32 one end promptly to can prevent anchor clamps angle interface 3 at angle of adjustment's in-process pulled from anchor clamps base 2, guaranteed the security.

Further, the fixture angle interface 3 further includes a second limiting surface 36, and the second limiting surface 36 is located between the first limiting surface 35 and the external teeth 32; the positioning pin 23 is further configured to limit the axial displacement of the fixture angle interface 3 away from the end provided with the external teeth 32 by abutting against the second limiting surface 36. The second limit surface 36 may be formed at an end of the limit recess 34 near the external teeth 32, which faces away from the external teeth 32. So dispose, keep away from the direction axial displacement who is equipped with external tooth 32 one end (being about to anchor clamps angle interface 3 and inserting first inner chamber 20) when anchor clamps angle interface 3, make spacing face 36 of second contact with locating pin 23 and lean on when, locating pin 23 prevents anchor clamps angle interface 3 to further keep away from the direction axial displacement who is equipped with external tooth 32 one end promptly to can prevent anchor clamps angle interface 3 excessively to stretch into anchor clamps base 2 at angle adjustment's in-process, further guaranteed the security.

Preferably, the tool fixture further comprises a locking mechanism for defining an axial degree of freedom of the fixture angle interface 3 with respect to the fixture base 2. Optionally, the locking mechanism may lock at least the axial degree of freedom of the fixture angle interface 3 with respect to the fixture base 2, and preferably may also lock the circumferential degree of freedom of the fixture angle interface 3 with respect to the fixture base 2, and after the angle adjustment is completed, the fixture angle interface 3 and the fixture base 2 may be locked by the locking mechanism, so that the workpiece is more stable and reliable in the machining process. In one example, the first inner cavity 20 has a closed end disposed opposite to the open end, i.e., the first inner cavity 20 is a blind cavity, the closed end has a bolt through hole, and the end of the clamp angle connector 3 facing the closed end has a threaded hole; the locking mechanism comprises a locking bolt 6, the locking bolt 6 is arranged in the bolt through hole in a penetrating mode and matched with the threaded hole, and the locking bolt 6 is configured to lock the clamp angle interface 3 by rotating the locking bolt 6. Specifically, a threaded hole is formed in an end of the jig angle interface body 33 away from the external teeth (i.e., an end facing the closed end), and the threaded hole matches with the thread of the locking bolt 6. The inner wall of the bolt through hole may not have a thread, and its inner diameter is slightly larger than the outer diameter of the locking bolt 6 to facilitate the insertion of the locking bolt 6. With such a configuration, when the fixture angle interface 3 is inserted into the first inner cavity 20 until the second limiting surface 36 abuts against the positioning pin 23, the locking bolt 6 is screwed into the threaded hole of the fixture angle interface body 33 until the fixture angle interface 3 and the fixture base 2 are screwed, so as to lock the fixture angle interface 3 and the fixture base 2. Otherwise, the locking bolt 6 is reversely rotated until being separated from the threaded hole, so that the locking of the clamp angle interface 3 and the clamp base 2 can be released, and the clamp angle interface 3 can be pulled out at the moment to adjust the angle. It should be noted that the locking mechanism is not limited to the above-mentioned exemplary embodiments, and those skilled in the art can change the locking mechanism according to the requirement, for example, the locking mechanism can be a snap or a latch, which can achieve similar effects.

Optionally, the tool body 5 is connected to the fixture angle interface 3 through a quick-change interface 4. Through the setting of quick change interface 4, frock body 5 with anchor clamps angle interface 3 can be connected or dismantle fast. Under some circumstances, can carry out the processing of the same angle to a plurality of frock bodies 5 that are fixed with the work piece, accessible quick change interface 4 this moment replaces frock body 5 and does not plug 3 angle of adjustment of anchor clamps angle interface, has further improved the flexibility of processing. The specific structure and principle of the quick-change interface 4 can refer to the prior art, and the detailed description of the embodiment is omitted.

The present embodiment also provides a jig rotating apparatus, which includes: a clamp base 2 and a clamp angle interface 3. The clamp base 2 comprises a first inner cavity 20, and inner teeth 22 are arranged on the inner wall of the first inner cavity 20 along the circumferential direction; at least one part of the clamp angle interface 3 is axially and movably arranged in the first inner cavity 20, and outer teeth 32 matched with the inner teeth 22 are circumferentially arranged on the outer wall of the clamp angle interface 3; wherein the clamp angle interface 3 is configured to move axially to define a circumferential degree of freedom of the clamp angle interface 3 relative to the clamp base 2 when the external teeth 32 engage with the internal teeth 22; the clamp angle interface 3 is further configured to be axially displaced to release the definition of the circumferential degree of freedom of the clamp angle interface 3 relative to the clamp base 2 when the outer teeth 32 are disengaged from the inner teeth 22. The specific structure and principle of the fixture rotating device can refer to the fixture, and are not described in detail herein.

To sum up, in the utility model provides an among frock clamp and the anchor clamps rotary device, axial displacement through anchor clamps angle interface can make external tooth and internal tooth mesh or phase separation, and then when external tooth and internal tooth mesh, anchor clamps angle interface is injectd for the circumference degree of freedom of anchor clamps base, and when external tooth and internal tooth phase separation, can freely adjust the circumference angle of anchor clamps angle interface for the anchor clamps base. With the adoption of the configuration, the circumferential angle of the clamp angle interface relative to the clamp base can be adjusted by adjusting the relative meshing position of the external teeth and the internal teeth, and the range of free adjustment is wide. In addition, the fixture angle interface and the fixture base are connected through tooth meshing, and the positioning accuracy is high and stable. In addition, when the required angle is changed, the tool does not need to be disassembled, and the machining angle can be quickly adjusted only through the axial movement of the angle interface of the clamp, so that time and labor are saved.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.

Claims (10)

1. The utility model provides a frock clamp which characterized in that includes:

the clamp base comprises a first inner cavity, and inner teeth are arranged on the inner wall of the first inner cavity along the circumferential direction;

at least one part of the clamp angle interface is axially and movably arranged in the first inner cavity, and outer teeth matched with the inner teeth are circumferentially arranged on the outer wall of the clamp angle interface; and

the tool body is used for loading a workpiece and is connected with the clamp angle interface;

wherein the clamp angle interface is configured to move axially to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base when the external teeth engage the internal teeth; the clamp angle interface is further configured to move axially to disengage the outer teeth from the inner teeth to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base.

2. The tooling clamp of claim 1, wherein the internal teeth are evenly circumferentially distributed over the inner wall of the first inner cavity.

3. The tooling fixture of claim 1, wherein the first internal cavity has an open end, the internal teeth being disposed at the open end, the external teeth being disposed at an end of the fixture angular interface proximate the open end.

4. The tooling clamp of claim 3, wherein the clamp angle interface comprises a first limiting surface disposed at an end distal from the external teeth; the fixture base further comprises a positioning pin which extends into the first inner cavity along the radial direction, and the positioning pin is configured to limit axial displacement of the fixture angle interface towards the direction of the outer tooth end by abutting against the first limiting surface.

5. The tooling fixture of claim 4, wherein the fixture angle interface further comprises a second stop surface, the second stop surface being located between the first stop surface and the external teeth; the positioning pin is further configured to abut against the second limiting surface to limit axial displacement of the clamp angle interface in the direction away from the end provided with the external teeth.

6. The tool clamp of claim 1, further comprising a locking mechanism to define an axial degree of freedom of the clamp angle interface relative to the clamp base.

7. The tool clamp of claim 6, wherein the first interior cavity has a closed end with a bolt through hole, and an end of the clamp angle interface facing the closed end has a threaded hole; the locking mechanism comprises a locking bolt, the locking bolt penetrates through the bolt through hole and is matched with the threaded hole, and the locking bolt is configured to lock the clamp angle interface by rotating the locking bolt.

8. The tooling fixture of claim 1 wherein one of the fixture angle interface and the fixture base is provided with a dial and the other is provided with a scale pointer.

9. The tool clamp of claim 1, wherein the tool body is connected to the clamp angle interface through a quick-change interface.

10. A jig rotating apparatus, comprising:

the clamp base comprises a first inner cavity, and inner teeth are arranged on the inner wall of the first inner cavity along the circumferential direction; and

at least one part of the clamp angle interface is axially and movably arranged in the first inner cavity, and outer teeth matched with the inner teeth are circumferentially arranged on the outer wall of the clamp angle interface;

wherein the clamp angle interface is configured to move axially to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base when the external teeth engage the internal teeth; the clamp angle interface is further configured to move axially to disengage the outer teeth from the inner teeth to define a circumferential degree of freedom of the clamp angle interface relative to the clamp base.

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