CN216263921U - Automatic grinding device - Google Patents

Abstract

The utility model belongs to the technical field of grinding, and relates to an automatic grinding device which is used for grinding threads on a workpiece. The clamping assembly comprises a clamping assembly and a jacking assembly, the driving assembly drives the clamping assembly to rotate, and the jacking assembly, the limiting assembly, the monitoring assembly and the driving assembly are installed on the base. The device clamps a first workpiece through the clamping assembly, and tightly pushes the first workpiece through the jacking assembly, so that the first workpiece keeps the rotation stability in the driving and rotating process of the driving assembly. And the rotation of the second workpiece is limited by the limiting assembly, so that the first workpiece and the second workpiece coaxially and relatively rotate, and the second workpiece grinds the first workpiece. Meanwhile, the grinding process of the first workpiece is monitored through the monitoring assembly, the grinding progress is mastered in real time, and the grinding quality in the grinding process is ensured to be controllable.

Description

Automatic grinding device

Technical Field

The utility model relates to the technical field of grinding, in particular to an automatic grinding device.

Background

The screw rod is a cylinder with a spiral groove cut on the outer surface or a cone with a conical spiral groove cut on the outer surface, and the screw rod is matched with a member with internal threads such as a nut and the like to realize the function of mechanical connection or mechanical transmission. In the actual use process of the screw nut, in order to improve the occlusion quality between the screw and the nut and improve the stability of the screw nut in the use process, before the screw nut is put into use, the threads of the screw nut need to be ground, so that the threads of the screw nut are prevented from being occluded, broken and the like in the use process.

When grinding the screw rod, need guarantee the rotational stability of screw rod, guarantee that the screw rod grinds in specific rotatory tolerance of beating to guarantee the grinding quality of screw rod. However, the conventional screw grinding mechanism cannot ensure the rotation stability of the screw, thereby affecting the grinding quality of the screw.

In order to solve the problems, the applicant designs an automatic grinding mechanism after keen innovation, and the automatic grinding mechanism ensures the rotation stability of the screw rod and further ensures the grinding quality of the screw rod.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to solve the technical problem of ensuring the rotation stability of a grinding workpiece in the automatic grinding process.

In order to solve the above technical problems, an embodiment of the present invention provides an automatic grinding apparatus, which adopts the following technical solutions:

the automatic grinding device includes: the grinding device comprises a base, a driving assembly, a clamping assembly and a limiting assembly, wherein the clamping assembly is used for clamping a first workpiece to be ground, the limiting assembly is used for enabling a second workpiece and the first workpiece to coaxially and relatively rotate, the clamping assembly comprises a clamping assembly and a jacking assembly, the driving assembly is connected with the clamping assembly and drives the clamping assembly to rotate, and the jacking assembly, the limiting assembly and the driving assembly are arranged on the base; the tight subassembly in top includes: the ejector pin component, the ejector pin base, the base slide rail, the elbow clamp and the push rod component are arranged on the ejector pin base; the thimble assembly is installed on the thimble base, the thimble base slides and sets up on the base slide rail, the base slide rail is installed on the base, the elbow clamp is fixed installation on the base, the elbow clamp passes through push rod assembly connects the thimble base.

Further, the drive assembly comprises a drive motor, a hollow rotating platform connected with the drive motor and a motor mounting seat. The driving motor and the hollow rotating platform are installed on the base through the motor installation seat.

Further, the clamping assembly comprises a rotating bottom plate, a cam plate, a cover plate and a clamping plate which are connected with the hollow rotating platform; the cam plate is provided with a track groove, the cover plate is provided with an open groove, and the clamping plate is provided with a first sliding part and a second sliding part; the cover plate is fixedly installed on the rotating base plate, the cam plate is arranged between the cover plate and the rotating base plate, the first sliding portion is installed in the track groove in a sliding mode, and the second sliding portion is matched with the opening groove in a sliding mode and used for enabling the clamping plate to displace in the radial direction of the cover plate.

Further, a knob handle for assisting in rotating the cam plate is arranged on the cam plate.

Further, the automatic grinding device also comprises a monitoring assembly used for monitoring the grinding process of the first workpiece, and the monitoring assembly is arranged between the clamping assembly and the jacking assembly.

Further, the monitoring assembly comprises a first photoelectric sensor and a second photoelectric sensor, and the first photoelectric sensor and the second photoelectric sensor are arranged between the clamping assembly and the jacking assembly.

Further, the ejector pin assembly comprises a rotating seat and an ejector pin component, and the ejector pin component is installed on the ejector pin base through the rotating seat.

Further, it is characterized in that the push rod assembly comprises a connecting rod and a push rod spring, and the push rod spring is connected between the connecting rod and the ejector pin base.

Further, the automatic grinding device also comprises a receiving assembly for collecting scraps, and the receiving assembly is arranged between the clamping assembly and the jacking assembly.

Further, the receiving assembly comprises a receiving base and a receiving box, and the receiving box is mounted on the receiving base; the limiting assembly is installed on the accommodating base, and the limiting assembly is in sliding fit with the second workpiece so as to limit the first workpiece to translate along the axial direction of the limiting assembly.

Compared with the prior art, the automatic grinding device provided by the embodiment of the utility model mainly has the following beneficial effects:

the automatic grinding device clamps the first workpiece through the clamping component of the clamping component, tightly pushes the first workpiece through the jacking component of the clamping component, so that the first workpiece keeps the rotation stability of the first workpiece in the driving rotation process of the driving component, the jumping tolerance of the first workpiece in the rotation grinding process is ensured to meet the requirement, and the grinding quality is further ensured. Meanwhile, the rotation of the second workpiece is limited through the limiting assembly, so that the second workpiece and the first workpiece coaxially and relatively rotate, and the purpose of grinding the first workpiece by using the second workpiece is achieved. In addition, the grinding process of the first workpiece is monitored through the monitoring assembly, the grinding progress of the first workpiece is mastered in real time, and the grinding quality in the grinding process is ensured to be controllable. Moreover, as the automatic grinding device is provided with the storage assembly, the chips generated in the grinding process of the first workpiece are collected, so that the ring is prevented from being polluted by the chips.

Drawings

In order to illustrate the solution of the utility model more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the utility model, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort. Wherein:

FIG. 1 is a schematic perspective view of an automatic polishing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of the driving assembly and the clamping assembly shown in FIG. 1;

FIG. 3 is a perspective view of the clamping assembly of FIG. 1;

FIG. 4 is a schematic perspective view of the receiving assembly and the first and second workpieces of FIG. 1;

FIG. 5 is a schematic perspective view of the monitoring assembly of FIG. 1;

FIG. 6 is a schematic perspective view of the clamping plate of FIG. 1;

fig. 7 is a schematic perspective view of the second workpiece of fig. 1.

The reference numbers in the drawings are as follows:

1-a base; 2-a drive assembly; 21-a drive motor; 22-hollow rotating platform; 23-a motor mount; 3-a clamping assembly; 31-a clamping assembly; 311-rotating the bottom plate; 312-a cam plate; 3121-a track groove; 3122-knob handle; 313-a cover plate; 3131-open slots; 314-a clamping chuck; 3141-a first sliding part; 3142-a second sliding part; 32-a jacking assembly; 321-a thimble assembly; 3211-a rotary base; 3212-ejector pin member; 322-thimble base; 323-base slide rail; 324-elbow clip; 325-a pushrod assembly; 3251-connecting rod; 3252-push rod spring; 4-a motion limiting assembly; 5-a monitoring component; 51-a first photosensor; 52-a second photosensor; 6-a receiving assembly; 61-a receiving base; 62-a storage box; 7-a first workpiece; 8-a second workpiece; 81-anti-rotation part; 100-automatic grinding device.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model, e.g., the terms "length," "width," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc., refer to an orientation or position based on that shown in the drawings, are for convenience of description only and are not to be construed as limiting of the present disclosure.

The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the description of the above figures are intended to cover non-exclusive inclusions; the terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order.

In the description and claims of the present invention and in the description of the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it may be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The automatic polishing apparatus 100 can be used in a polishing process of a screw nut, and can also be applied to other suitable processes, such as polishing of a surface of a shaft member.

An embodiment of the present invention provides an automatic polishing apparatus 100, as shown in fig. 1 to 3, the automatic polishing apparatus 100 including: the grinding machine comprises a base 1, a driving assembly 2, a clamping assembly 3 used for clamping a first workpiece 7 to be ground and a limiting assembly 4 used for enabling a second workpiece 8 and the first workpiece 7 to coaxially and relatively rotate, wherein the clamping assembly 3 comprises a clamping assembly 31 and a jacking assembly 32, the driving assembly 2 is connected with the clamping assembly 31 and drives the clamping assembly 31 to rotate, and the jacking assembly 32, the limiting assembly 4 and the driving assembly 2 are installed on the base 1; the tightening assembly 32 includes: a thimble assembly 321, a thimble base 322, a base slide 323, an elbow clamp 324 and a push rod assembly 325; thimble assembly 321 installs on thimble base 322, thimble base 322 slides and sets up on the base slide rail 323, base slide rail 323 is installed on the base 1, elbow clamp 324 fixed mounting be in on the base 1, elbow clamp 324 passes through push rod assembly 325 connects thimble base 322.

It should be noted that, in the present embodiment, the first workpiece 7 is a part with an external thread, such as a screw rod; the second workpiece 8 is a part with internal threads, such as a nut or the like.

It will be appreciated that the principle of operation of the automated milling unit 100 is generally as follows: in the automatic grinding apparatus 100, the driving assembly 2 is connected to the clamping assembly 31 of the clamping assembly 3 to provide a rotational drive to the clamping assembly 31. Meanwhile, the clamping assembly 31 clamps the first workpiece 7, and the first workpiece 7 is tightly pressed through the pressing assembly 32 in the clamping assembly 3, so that the rotation stability of the first workpiece 7 in the rotation process is ensured, and the rotation run-out tolerance of the first workpiece 7 is kept in a reasonable range. In addition, the second workpiece 8 is sleeved on the first workpiece 7, and the second workpiece 8 is limited by the limiting component 4, so that the second workpiece 8 and the first workpiece 7 make coaxial relative rotation movement, and the threads of the first workpiece 7 are rubbed by the threads of the second workpiece 8 under the relative movement of the second workpiece 8, so that the purpose of grinding the first workpiece 7 is achieved.

In summary, compared with the prior art, the automatic polishing apparatus 100 has at least the following advantages: the automatic grinding device 100 limits the first workpiece 7 through the clamping assembly 31 and the jacking assembly 32, and ensures the rotation stability of the first workpiece 7 in the grinding process.

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

In one embodiment, as shown in fig. 1-3, fig. 5 and fig. 6, a base 1, a driving assembly 2, a clamping assembly 3 for clamping a first workpiece 7 to be ground, and a limiting assembly 4 for allowing a second workpiece 8 and the first workpiece 7 to make coaxial relative rotation movement, wherein the clamping assembly 3 comprises a clamping assembly 31 and a tightening assembly 32, the driving assembly 2 is connected with the clamping assembly 31 and drives the clamping assembly 31 to rotate, and the tightening assembly 32, the limiting assembly 4 and the driving assembly 2 are mounted on the base 1; the tightening assembly 32 includes: a thimble assembly 321, a thimble base 322, a base slide 323, an elbow clamp 324 and a push rod assembly 325; thimble assembly 321 installs on thimble base 322, thimble base 322 slides and sets up on the base slide rail 323, base slide rail 323 is installed on the base 1, elbow clamp 324 fixed mounting be in on the base 1, elbow clamp 324 passes through push rod assembly 325 connects thimble base 322.

The ejector pin assembly 321 is abutted against one end of the first workpiece 7, so that the first workpiece 7 maintains rotational stability under the combined action of the ejector pin assembly 321 and the clamping chuck plate 314. Since the ejector pin base 322 is slidably connected to the base slide rail 323, and the elbow clamp 324 is connected to the ejector pin base 322 through the push rod assembly 325, when the elbow clamp 324 is fastened, the ejector pin base 322 slides along the base slide rail 323 under the push of the push rod assembly 325, and drives the ejector pin assembly 321 to move, thereby tightly ejecting the first workpiece 7.

As shown in fig. 2, the driving assembly 2 includes: the device comprises a driving motor 21, a hollow rotating platform 22 and a motor mounting seat 23, wherein the hollow rotating platform 22 is connected with the driving motor 21, and the driving motor 21 and the hollow rotating platform 22 are mounted on the base 1 through the motor mounting seat 23.

The hollow rotary platform 22 is connected to an output end of the driving motor 21, and the driving motor 21 drives the hollow rotary platform 22 to rotate.

As shown in fig. 3 and 6, the clamping assembly 31 includes: a rotary bottom plate 311, a cam plate 312, a cover plate 313 and a clamping chuck plate 314 which are connected with the hollow rotary platform 22; the cover plate 313 is fixedly arranged on the rotating bottom plate 311 through a cam plate 312, and the clamping plate 314 is slidably arranged on the cover plate 313; the cam plate 312 is provided with a track groove 3121, the cover plate 313 is provided with an open groove 3131, and the clamping plate 314 is provided with a first sliding portion 3141 and a second sliding portion 3142; the first sliding portion 3141 is slidably mounted in the track groove 3121, and the second sliding portion 3142 is slidably mounted in the opening groove 3131 and slidably engaged with the opening groove 3131, so as to allow the clamping plate 314 to displace in the radial direction of the cover plate 313.

As shown in fig. 2, the cam plate 312 is provided with a knob handle 3122 for assisting in rotating the cam plate 312.

Wherein the clamp assembly 31 further includes a knob handle 3122 coupled to the cam plate 312. The cover plate 313 is fixedly connected to the rotating bottom plate 311 through a long screw, the cam plate 312 is connected between the rotating bottom plate 311 and the cover plate 313, and the cam plate 312 can rotate coaxially and relatively with the rotating bottom plate 311 and the cover plate 313.

Note that a cross-sectional line of a center plane parallel to the axis of the cam plate 312 in the locus groove 3121 is an involute curve. When a straight line parallel to the axis of the cam plate 312 is translated along the cross-sectional line, the distance of the straight line from the center axial direction of the cam plate 312 changes. Meanwhile, the opening groove 3131 of the cover plate 313 is a rectangular opening in a radial direction of the cover plate 313.

In summary, the clamping chuck 314 is in sliding fit with the track groove 3121 of the cam plate 312 through the first sliding portion 3141, and the track groove 3121 drives the first sliding portion 3141 to slide; the second sliding portion 3142 is slidably fitted into the opening groove 3131 of the cover plate 313, and the second sliding portion 3142 is restricted from moving in the radial direction of the cover plate 313.

Therefore, when the rotation knob handle 3122 rotates the cam plate 312, the track groove 3121 of the cam plate 312 drives the first sliding portion 3141 to move in the track groove 3121, and at the same time, the opening groove 3131 of the cover plate 313 restricts the second sliding portion 3142 from moving in the radial direction of the cover plate 313.

Therefore, the cam plate 312 drives the clamping plate 314 to move along the opening groove 3131 in the radial direction of the cover plate 313, so as to clamp or release the first workpiece 7.

In the present embodiment, the number of the track grooves 3121, the open grooves 3131, and the clamping tabs 314 is 3. In other embodiments, the number of track grooves 3121, open grooves 3131, and clamping tabs 314 is the same and greater than 1, e.g., 4, etc.

As shown in fig. 5, the automatic grinding apparatus 100 further includes a monitoring assembly 5 for monitoring the grinding progress of the first workpiece 7, wherein the monitoring assembly 5 is disposed between the clamping assembly 31 and the tightening assembly 32.

As shown in fig. 5, the monitoring assembly 5 includes a first photoelectric sensor 51 and a second photoelectric sensor 52, and the first photoelectric sensor and the second photoelectric sensor 52 are disposed between the clamping assembly 31 and the tightening assembly 32.

In the present embodiment, the monitoring assembly 5 further includes a torque monitoring element (not shown in the figure) for monitoring the output torque of the driving motor 21. Furthermore, the first and second photosensors 51, 52 are each used to monitor the position of the second workpiece 8 on the first workpiece 7. The first position of the second workpiece 8 is read by the first photosensor 51, and the second position of the second workpiece 8 is read by the second photosensor 52, and the difference in position between the first photosensor 51 and the second photosensor 52 is the length of the second workpiece 8 to be polished on the first workpiece 7.

The grinding process of the first workpiece 7 and the second workpiece 8 is monitored through the monitoring assembly 5, so that the grinding progress and the grinding effect of the first workpiece 7 are mastered in real time, the problems occurring in the grinding process are found in time, grinding is adjusted in time, and processing is carried out, so that the grinding quality of the first workpiece 7 is guaranteed, and the visualization of the grinding process is realized.

It should be noted that, in the present embodiment, the distance between the first photosensor 51 and the second photosensor 52 in the monitoring assembly 5 is adjustable, so that the monitoring of the polishing length of the first workpiece 7 is adjustable.

As shown in fig. 3, the thimble assembly 321 includes a rotating seat 3211 and a thimble member 3212, and the thimble member 3212 is mounted on the thimble base 322 through the rotating seat 3211.

In this embodiment, the rotating seat 3211 is a bearing. The pin member 3212 is mounted on the pin base 322 via a rotary base 3211, and the pin member 3212 rotates together with the first workpiece 7 with the support of the rotary base 3211 after abutting against the first workpiece 7. Thereby ensuring rotational stability of the first workpiece 7.

As shown in fig. 3, the push rod assembly 325 includes a connecting rod 3251 and a push rod spring 3252, and the push rod spring 3252 is connected between the connecting rod 3251 and the needle base 322.

The thimble base 322 is connected to the connection rod 3251 by a push rod spring 3252. When the elbow clip 324 is fastened, the elbow clip 324 pushes the ejector pin base 322 via the push rod assembly 325, so that the ejector pin member 3212 abuts against the first workpiece 7. Because the pin base 322 is slidably connected to the base slide rail 323, when the pin base 322 abuts against the first workpiece 7 on the pin member 3212, there is a tendency of reverse displacement, which causes the pin member 3212 to be unable to tightly abut against the first workpiece 7, so that the pin member 3212 can provide a tightening force to the pin base 322 through the push rod spring 3252, so as to tightly abut against the first workpiece 7, thereby ensuring the rotational stability of the first workpiece 7.

As shown in fig. 3 and 4, the automatic grinding apparatus 100 further includes a receiving assembly 6 for collecting the waste, and the receiving assembly 6 is disposed between the clamping assembly 31 and the tightening assembly 32.

The accommodating component 6 is arranged between the clamping component 31 and the jacking component 32, namely the accommodating component 6 is arranged at the bottom of the first workpiece 7 and the bottom of the second workpiece 8 and is used for collecting chips generated during grinding of the first workpiece 7 and the second workpiece 8 and preventing the chips from spilling and polluting the environment.

As shown in fig. 4, the storage assembly 6 includes a storage base 61 and a storage box 62, and the storage box 62 is mounted on the storage base 61; the motion-limiting assembly 4 is mounted on the receiving base 61, and the motion-limiting assembly 4 is in sliding fit with the second workpiece 8 to limit the first workpiece 7 to translate along the axial direction of the motion-limiting assembly 4.

Wherein, the containing base 61 is installed on the base 1, and the containing box 62 is sleeved on the containing base 61. In this embodiment, the storage box 62 can be drawn out of the storage base 61, and the cleaning of the debris is facilitated.

Further, in the present embodiment, the stopper assembly 4 is a cylindrical member.

As shown in fig. 7, in the present embodiment, the second workpiece 8 is provided with a rotation preventing portion 81. The rotation-preventing part 81 on the second workpiece 8 is matched with the limiting component 4 and is used for preventing the second workpiece 8 and the first workpiece 7 from rotating coaxially and in the same direction. It should be noted that, since the rotation preventing portion 81 on the second workpiece 8 is in sliding fit with the motion limiting assembly 4 in the axial direction of the motion limiting assembly 4, the second workpiece 8 can be driven by the first workpiece 7 to translate along the axial direction of the motion limiting assembly 4, so as to finish grinding the first workpiece 7.

In addition, in other embodiments, the movement limiting assembly 4 and the rotation preventing portion 81 can be configured as other mutually-matched rotation preventing structures, such as a structure in which the movement limiting assembly 4 is a regular hexagon with an inner through hole, and the rotation preventing portion 81 is a regular hexagon shape matched with the inner through hole.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. An automatic grinding apparatus for grinding a thread on a first workpiece by cooperation of the first workpiece and a second workpiece, the automatic grinding apparatus comprising:

a base, a driving component, a clamping component used for clamping a first workpiece to be ground, and a limiting component used for enabling the second workpiece and the first workpiece to do coaxial relative rotation motion,

the clamping assembly comprises a clamping assembly and a jacking assembly, the driving assembly is connected with the clamping assembly and drives the clamping assembly to rotate, and the jacking assembly, the limiting assembly and the driving assembly are arranged on the base;

the tight subassembly in top includes: the ejector pin component, the ejector pin base, the base slide rail, the elbow clamp and the push rod component are arranged on the ejector pin base;

the thimble assembly is installed on the thimble base, the thimble base slides and sets up on the base slide rail, the base slide rail is installed on the base, the elbow clamp is fixed installation on the base, the elbow clamp passes through push rod assembly connects the thimble base.

2. The automated abrading apparatus of claim 1, wherein the drive assembly comprises:

a driving motor, a hollow rotating platform connected with the driving motor and a motor mounting seat,

the driving motor and the hollow rotating platform are installed on the base through the motor installation seat.

3. The automated abrading apparatus of claim 2, wherein the clamping assembly comprises:

the rotary bottom plate, the cam plate, the cover plate and the clamping snap-gauge are connected with the hollow rotary platform;

the cover plate is fixedly arranged on the rotating bottom plate through a cam plate, and the clamping plate is slidably arranged on the cover plate;

the cam plate is provided with a track groove, the cover plate is provided with an open groove, and the clamping plate is provided with a first sliding part and a second sliding part;

the first sliding part is slidably mounted in the track groove, and the second sliding part is slidably mounted in the open groove and is in sliding fit with the open groove so as to enable the clamping plate to displace in the radial direction of the cover plate.

4. The automated milling apparatus of claim 3, wherein said cam plate is provided with a knob handle to assist in rotating said cam plate.

5. The automated abrading apparatus of claim 1, further comprising a monitoring assembly for monitoring progress of abrading the first workpiece, the monitoring assembly being disposed between the clamping assembly and the jacking assembly.

6. The automated abrading apparatus of claim 5, wherein the monitoring assembly comprises a first photosensor and a second photosensor, the first photosensor and the second photosensor being disposed between the gripping assembly and the puller assembly.

7. The automated grinding apparatus of claim 1, wherein the spike assembly includes a rotary base and a spike member, the spike member being mounted on the spike base by the rotary base.

8. The automated grinding apparatus of claim 1, wherein the push rod assembly includes a connecting rod and a push rod spring, the push rod spring being connected between the connecting rod and the ejector pin base.

9. The automated grinding apparatus of claim 1, further comprising a receiving assembly for collecting debris, the receiving assembly being disposed between the clamping assembly and the puller assembly.

10. The automated grinding apparatus of claim 9, wherein the receiver assembly includes a receiver base and a receiver mounted on the receiver base; the limiting assembly is installed on the accommodating base, and the limiting assembly is in sliding fit with the second workpiece so as to limit the first workpiece to translate along the axial direction of the limiting assembly.

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