CN215281601U

CN215281601U - Clamping device

Info

Publication number: CN215281601U
Application number: CN202120126101.9U
Authority: CN
Inventors: 王靖辉; 吴志敏; 邓水冰
Original assignee: Jiangxi Oumaisi Microelectronics Co Ltd
Current assignee: Jiangxi Oumaisi Microelectronics Co Ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-12-24
Anticipated expiration: 2031-01-18

Abstract

The application provides a clamping device, includes: the base is provided with an operating surface; the fixing piece is arranged on the operation surface; the clamping part comprises a clamping part and a moving part connected with the clamping part, the clamping part is movably arranged on one side of the fixing part, the moving part is movably arranged in the base, and the moving part is provided with an internal thread hole; and the rotation piece, the part that rotates the piece rotationally locates in the base, the outside that rotates the piece has the external screw thread, it locates to rotate the piece the internal thread hole, it is in to rotate the downthehole rotation of internal thread is in order to drive the card portion of holding is close to or keeps away from the mounting. The clamping device can clamp products with different sizes, and different clamping devices do not need to be replaced when the products with different sizes are tested or tested, so that the clamping device is short in operation time, high in efficiency, and low in use cost and maintenance cost.

Description

Clamping device

Technical Field

The application relates to the technical field of processing devices, in particular to a clamping device.

Background

When an existing product is used for reliability tests (such as torsion tests and thrust tests) and product tests (such as focusing tests and final inspection tests), the product needs to be clamped and fixed in advance.

In the process of implementing the present application, the inventor finds that at least the following problems exist in the prior art: for products with different sizes, the products need to be clamped and fixed on different clamping devices during testing, and when the sizes of the products are various, the products need to be matched with various corresponding clamping devices for use, so that the operation is long in time consumption and low in efficiency, and the use cost and the maintenance cost of the clamping devices can be increased.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a clamping device to solve the above problems.

An embodiment of the present application provides a clamping device, includes:

the base is provided with an operating surface;

the fixing piece is arranged on the operation surface;

the clamping part comprises a clamping part and a moving part connected with the clamping part, the clamping part is movably arranged on one side of the fixing part, the moving part is movably arranged in the base, and the moving part is provided with an internal thread hole; and

rotate the piece, the part that rotates the piece rotationally locates in the base, the outside that rotates the piece has the external screw thread, it locates to rotate the piece the internal thread hole, it is in to rotate the downthehole rotation of internal thread is in order to drive the card portion of holding is close to or keeps away from the mounting.

The rotating part and the clamping part in the clamping device are connected through threads, the rotating part can drive the moving part to move along a straight line when rotating, so that the clamping part is driven to be close to or far away from the fixing part, a product is clamped or loosened, the distance between the clamping part and the fixing part can be adjusted, products in different sizes can be clamped, different clamping devices do not need to be replaced when product tests or tests in different sizes are carried out, the time consumption is short, the efficiency is high, and the maintenance cost and the use cost are also low.

In some embodiments, the fixing member includes a first fixing portion and a second fixing portion arranged at an included angle, the holding portion is arranged opposite to the first fixing portion, and the second fixing portion is located between the first fixing portion and the holding portion.

So, first fixed part and the cooperation of second fixed part can fix a position two faces of product, and the card portion of holding is close to first fixed part and removes and can realize the centre gripping to the product, and the precision is higher.

In some embodiments, a receiving groove is formed in a side surface of the base, the moving portion is movably disposed in the receiving groove, the operating surface is formed with a sliding groove communicated with the receiving groove, the retaining member further includes a sliding portion disposed in the sliding groove, and two sides of the sliding portion are respectively connected to the retaining portion and the moving portion.

So, can drive sliding part and card portion when removal and hold the extension direction removal along the spout to the realization is to the centre gripping of product or unclamp.

In some embodiments, the surfaces of the fixed member and the retaining member that are adjacent to each other are provided with a retaining structure for retaining the product.

Therefore, the clamping structure of the fixing part and the clamping structure of the clamping part are matched with each other, so that the product can be clamped more stably.

In some embodiments, further comprising:

the sealing piece is arranged on one side of the base, the sealing piece is arranged in the containing groove in a covering mode, and the poking end penetrates through the sealing piece.

Thus, foreign matters such as dust can be prevented from entering the accommodating groove, and the movement of the moving part can be prevented from being influenced.

In some embodiments, further comprising:

the two bushings are respectively sleeved outside the two opposite ends of the rotating piece, one of the bushings is arranged in the base, and the other bushing is arranged in the cover sealing piece.

Therefore, the friction between the rotating piece and the base is reduced, and the rotating piece rotates more smoothly.

In some embodiments, the rotating member further has a limiting end opposite to the dialing end, the limiting end is provided with a first limiting groove, the clamping device further includes a first limiting member, the first limiting member is detachably disposed in the first limiting groove, and the first limiting member is configured to limit the axial movement of the rotating member.

Thus, the rotor can be prevented from moving in the axial direction thereof and affecting the moving accuracy of the moving portion.

In some embodiments, further comprising:

the guide is arranged in the base, the guide is the same as the extending direction of the rotating piece, the moving portion is provided with a guide hole, and the guide is arranged in the guide hole in a penetrating mode and guides the movement of the moving portion.

Thus, the movement of the moving part can be guided, which is beneficial to improving the movement precision of the moving part.

In some embodiments, the guide member includes a guide rod and a limiting block, the guide rod has a first end and a second end, the first end and the second end are disposed oppositely and respectively extend out of the base, the limiting block is disposed at the first end, the second end is provided with a second limiting groove, the clamping device further includes a second limiting member, the second limiting member is detachably disposed in the second limiting groove, and the second limiting member and the limiting block are used for limiting the axial movement of the guide rod.

Therefore, the second limiting part and the limiting block can limit the axial movement of the guide rod under the combined action, and the moving precision of the moving part is improved.

In some embodiments, the base is provided with an accommodating hole, the guide member is arranged in the accommodating hole, the accommodating hole comprises a first hole and a second hole which are communicated with each other, the aperture of the first hole is larger than that of the second hole, the guide member comprises a guide rod and a limiting block, the guide rod is provided with a first end and a second end which are opposite to each other, the limiting block is arranged in the second hole and connected with the first end, the second end extends out of the base, and the second end is provided with a second limiting groove; the clamping device further comprises a second limiting part, the second limiting part is detachably arranged in the second limiting groove, and the second limiting part and the limiting block are used for limiting the axial movement of the guide rod.

Therefore, the second limiting part and the limiting block can limit the axial movement of the guide rod under the combined action, the moving precision of the moving part is improved, and the appearance of the whole device is simple.

Drawings

Fig. 1 is a schematic perspective view of a clamping device according to an embodiment of the present application.

Figure 2 is an exploded view of the chuck assembly shown in figure 1.

Figure 3 is a cross-sectional view of the chuck as shown in figure 1 taken along the direction III-III.

Figure 4 is a cross-sectional view of the chuck assembly shown in figure 1 taken along the direction IV-IV.

Description of the main elements

Clamping device 100

Base 10

Control panel 11

Mounting surface 12

Accommodating groove 13

Chute 14

Receiving hole 15

First hole 151

Second hole 152

Fixing member 20

First fixed part 21

Second fixed part 22

Accommodating space 23

Machining the hole 24

Retaining member 30

Catch 31

Moving part 32

Female screw hole 321

Guide hole 322

Sliding part 33

Rotating member 40

External thread 41

Toggle end 42

Striking part 43

Limiting end 44

First limit groove 45

First position limiting member 50

Closure member 60

Bushing 70

Guide 80

Guide rod 81

First end 811

Second end 812

Second limiting groove 813

Limiting block 82

Second limiting member 90

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1, the embodiment of the present application provides a clamping device 100 for clamping products with different sizes. The product may include, but is not limited to, a lens. The clamping device 100 includes a base 10, a fixed member 20, a clamping member 30 and a rotating member 40.

Referring to fig. 2, the base 10 has an operation surface 11. The mount 20 is provided on the operation surface 11. The holding member 30 includes a holding portion 31 and a moving portion 32 connected to the holding portion 31, the holding portion 31 is movably disposed on one side of the fixing member 20, the moving portion 32 is movably disposed in the base 10, and the moving portion 32 has an internal threaded hole 321. The rotating member 40 is partially rotatably disposed in the base 10, the rotating member 40 has an external thread 41 on the outside thereof, the rotating member 40 is inserted into the threaded hole and is connected to the internal thread of the internal threaded hole 321 through the external thread 41, and the rotating member 40 can drive the moving portion 32 to move along a straight line when rotating, so as to drive the holding portion 31 to approach or leave the fixing member 20.

The base 10 has a substantially rectangular parallelepiped structure. The mounting surface 12 of the base 10 is provided with a receiving groove 13, and the mounting surface 12 is one side surface of the base 10 and is arranged adjacent to the operating surface 11. The housing groove 13 is a substantially rectangular groove and extends in the X-axis direction. The moving portion 32 has an outline similar to the shape of the housing groove 13 and is movably disposed in the housing groove 13, and it can be understood that the moving portion 32 is movable in the housing groove 13 in the X-axis direction.

The fixing member 20 includes a first fixing portion 21 and a second fixing portion 22 arranged at an included angle, the holding portion 31 is arranged opposite to the first fixing portion 21, and the second fixing portion 22 is located between the first fixing portion 21 and the holding portion 31. The first fixing portion 21 and the second fixing portion 22 are both block-shaped structures, the first fixing portion 21 extends along the Y-axis direction, the second fixing portion 22 extends along the X-axis direction, one end of the first fixing portion 21 is connected with one end of the second fixing portion 22, that is, the first fixing portion 21 and the second fixing portion 22 are vertically arranged, so that the first fixing portion 21 and the second fixing portion 22 form an L-shaped structure together, an accommodating space 23 is formed among the first fixing portion 21, the second fixing portion 22 and the operation surface 11, a product can be placed in the accommodating space 23, and positioning in the two-dimensional direction in a plane is performed through the first fixing portion 21 and the second fixing portion 22.

In some embodiments, the operation surface 11 is provided with a plurality of mounting holes at intervals along the X-axis direction, the fixing member 20 is detachably connected to one of the mounting holes, the distance between the fixing member 20 and the retaining member 30 can be adjusted by adjusting the position of the fixing member 20 in the mounting holes, and the moving stroke of the retaining member 30 is limited, so that the size of the product held by the fixing member 20 and the retaining member 30 can be increased, and the product can be better adapted to products with different sizes.

In some embodiments, the size and shape of the fixing member 20 can be set to be various to match the clamping of different-sized products.

In some embodiments, the surfaces of the fixed member 20 and the retaining member 30 that are adjacent to each other are provided with a retaining structure for retaining the product. In this way, the holding structure of the fixing member 20 and the holding structure of the holding member 30 cooperate with each other, so that the product can be held more stably. The clamping structure can be an arc-shaped surface, a clamping groove and a clamping jaw, but is not limited to the clamping structure.

It is understood that, in other embodiments, the included angle between the first fixing portion 21 and the second fixing portion 22 may also be 30 degrees, 60 degrees, etc., but is not limited thereto, and may be specifically set according to actual needs.

In this embodiment, the joint of the first fixing portion 21 and the second fixing portion 22 is provided with a processing hole 24 communicated with the accommodating space 23, and the processing hole 24 extends from the side of the first fixing portion 21 away from the operation surface 11 to the operation surface 11, because the right angle formed by the first fixing portion 21 and the second fixing portion 22 is difficult to process, and the processing process of the first fixing portion 21 and the second fixing portion 22 after the processing hole 24 is formed is difficult.

In the present embodiment, the first fixing portion 21 and the second fixing portion 22 are an integral structure. It is understood that, in other embodiments, the first fixing portion 21 and the second fixing portion 22 are separate structures, and a gap exists between the ends of the first fixing portion 21 and the second fixing portion 22 close to each other.

It is understood that in other embodiments, the second fixing portion 22 may be omitted.

It will be appreciated that in some embodiments, a pressure sensor is provided in the first fixing portion 21 and/or the second fixing portion 22 to sense the clamping force of the product during clamping to prevent damage of the product due to overpressure. Further, a display panel electrically connected to the pressure sensor may be disposed on the first fixing portion 21 and/or the second fixing portion 22 to display a pressure value to which the product is subjected.

It is understood that, in some embodiments, the first fixing portion 21, the second fixing portion 22 and the retaining portion 31 are made of flexible materials, or the first fixing portion 21, the second fixing portion 22 and the retaining portion 31 are all provided with a scratch-proof layer, such as a silicon gel layer, to prevent the product from being scratched.

The holding member 30 further includes a sliding portion 33, two sides of the sliding portion 33 are respectively connected to the holding portion 31 and the moving portion 32, wherein the size of the sliding portion 33 is smaller than the size of the holding portion 31 and the moving portion 32, and the sliding portion 33 and the holding portion 31 and the moving portion 32 form an i-shaped structure. The operation surface 11 is provided with a sliding groove 14 communicated with the accommodating groove 13, the sliding groove 14 extends along the X-axis direction and penetrates through the mounting surface 12, the sliding groove 14 is positioned right above the rotating member 40, and the sliding part 33 is slidably arranged in the sliding groove 14. In some embodiments, a distance sensor is disposed on a side of the catching portion 31 close to the first fixing portion 21 for sensing a distance between the catching portion 31 and the product, and the rotation speed of the rotating member 40 is adjusted when the catching portion 31 is close to the product, so as to prevent the product from being damaged due to over-pressure.

Referring to fig. 3, the rotating member 40 is a rotating body. In the present embodiment, the external thread 41 is a coarse thread, specifically, the external thread 41 is a thread of M6, and the internal thread hole 321 is a thread hole of M6. It will be appreciated that in other embodiments, the external thread 41 of the rotating member 40 includes a coarse thread section and a fine thread section, the coarse thread section is close to the mounting surface 12 relative to the fine thread section, and in use, the coarse thread section is adjusted coarsely, the retaining portion 31 is close to the first fixing portion 21, and then the fine thread section is adjusted finely, so that the product can be effectively prevented from being damaged by overpressure.

The rotary member 40 has opposite dial 42 and limit 44 ends.

The poking end 42 extends through the mounting surface 12 of the base 10, and the poking end 42 is provided with a poking part 43 for poking the rotating member 40 to rotate. In the present embodiment, the toggle portion 43 has a cylindrical structure, the diameter of the toggle portion 43 is larger than that of the rotating member 40, and the toggle portion 43 and the rotating member 40 are integrated. It is understood that in other embodiments, the dial portion 43 and the rotating member 40 may be separate structures.

The limiting end 44 extends out of the side surface of the base 10 opposite to the mounting surface 12. The outer peripheral surface of the limiting end 44 is provided with an annular first limiting groove 45, and the clamping device 100 further includes a first limiting member 50, wherein the first limiting member 50 is detachably disposed in the first limiting groove 45 and is used for being stopped at the side surface of the base 10 opposite to the mounting surface 12 to limit the axial movement of the rotating member 40. In this embodiment, the first position-limiting member 50 is a snap spring.

In some embodiments, the clamping device 100 further comprises a cover member 60, two bushings 70, and two guides 80.

The closure member 60 is a rectangular parallelepiped structure. The cover member 60 is disposed on the mounting surface 12 of the base 10 and covers the receiving groove 13, so that foreign objects such as dust are prevented from entering the receiving groove 13 and affecting the movement of the moving portion 32. In the present embodiment, the cover 60 is fixed to the mounting surface 12 by two bolts. In the present embodiment, the dial end 42 of the rotating member 40 extends through the cover member 60, and the dial portion 43 is located at a side of the cover member 60 away from the base 10, so that the first limiting member 50 and the dial portion 43 cooperate to limit the axial movement of the rotating member 40.

Both bushings 70 are of annular configuration. The two bushings 70 are respectively sleeved outside the two opposite ends of the rotating member 40, one of the bushings 70 is disposed in the base 10, and the other bushing 70 is disposed in the cover member 60. Thus, friction between the rotating member 40 and the base 10 is advantageously reduced, and the rotating member 40 rotates more smoothly. It is understood that the two bushings 70 may be replaced by two bearings, such as ball bearings, to ensure the rotational fluency of the rotating member 40.

The two guide members 80 are disposed in the base 10 at intervals along the Y-axis direction and are located at opposite sides of the rotating member 40. Each guide 80 extends in the same direction as the rotation member 40, i.e., in the X-axis direction. The moving part 32 is provided with a guide hole 322, the guide hole 322 extends along the X-axis direction, and the guide piece 80 is arranged in the guide hole 322 in a penetrating way so as to guide the movement of the moving part 32 and improve the moving precision of the moving part 32.

Specifically, referring to fig. 4, the base 10 is provided with an accommodating hole 15, the accommodating hole 15 includes a first hole 151 and a second hole 152 which are communicated with each other, the aperture of the first hole 151 is smaller than that of the second hole 152, the guide member 80 includes a guide rod 81 and a stop block 82, the guide rod 81 penetrates through the first hole 151 and the guide hole 322, the guide rod 81 has a first end 811 and a second end 812 which are opposite to each other, the stop block 82 is of a cylindrical structure, the stop block 82 is disposed in the second hole 152 and connected with the first end 811, and the size of the stop block 82 is larger than that of the first hole 151; the second end 812 extends through the base 10 and the cover member 60, an annular second limiting groove 813 is formed in the outer peripheral surface of the second end 812, the clamping device 100 further includes a second limiting member 90, the second limiting member 90 is detachably disposed in the second limiting groove 813 and is used for being stopped at a side of the cover member 60 away from the base 10, and the second limiting member 90 and the limiting member cooperate to limit the axial movement of the guide rod 81. In this embodiment, the limiting block 82 and the guide rod 81 are an integral structure. The second limiting member 90 is a snap spring.

It is understood that, in other embodiments, the guide member 80 includes a guide rod 81 and a limit block 82, the guide rod 81 has a first end 811 and a second end 812 opposite to each other, the first end 811 extends through a side surface of the base 10 opposite to the cover member 60, the second end 812 extends through the base 10 and the cover member 60, the limit block 82 is disposed at the first end 811, the second end 812 is provided with a second limit groove 813, the clamping apparatus 100 further includes a second limit member 90, the second limit member 90 is detachably disposed in the second limit groove 813, and the second limit member 90 and the limit block can limit the axial movement of the guide rod 81.

The implementation process of the embodiment is as follows: when a product needs to be clamped, the product is located in the accommodating space 23 and abuts against the first fixing portion 21 and the second fixing portion 22 respectively, the poking portion 43 is poked to rotate rightwards, the rotating member 40 rotates correspondingly, and the rotating member 40 is connected with the moving portion 32 through threads (the threads are right-handed), so that the axial direction of the rotating member 40 does not move, and the rotating member 40 rotates to drive the moving portion 32 to move linearly in the direction close to the first fixing portion 21 until the product is clamped.

When the product needs to be loosened, the toggle part 43 is toggled to rotate to the left, the rotating part 40 correspondingly rotates, and since the rotating part 40 is connected with the moving part 32 through threads (the threads are right-handed), the axial direction of the rotating part 40 does not move, so that the rotating part 40 can drive the moving part 32 to linearly move in the direction away from the first fixing part 21 until the product is clamped.

The rotating part 40 and the clamping part 30 in the clamping device 100 are in threaded connection, the rotating part 40 can drive the moving part 32 to move along a straight line when rotating, so that the clamping part 31 is driven to be close to or far away from the fixing part 20 to clamp or loosen a product, the distance between the clamping part 31 and the fixing part 20 can be adjusted, products with different sizes can be clamped, different clamping devices 100 do not need to be replaced when tests or tests of products with different sizes are carried out, and therefore the clamping device 100 is short in operation time, high in efficiency, and low in use cost and maintenance cost.

It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A clamping device, comprising:

the base is provided with an operating surface;

the fixing piece is arranged on the operation surface;

2. The clamping device as recited in claim 1, wherein the fixing member includes a first fixing portion and a second fixing portion disposed at an angle, the clamping portion being disposed opposite the first fixing portion, the second fixing portion being disposed between the first fixing portion and the clamping portion.

3. The clamping device as recited in claim 2, wherein a receiving slot is defined in a side surface of the base, the moving portion is movably disposed in the receiving slot, the operating surface defines a sliding slot communicating with the receiving slot, the clamping member further includes a sliding portion disposed in the sliding slot, and two sides of the sliding portion are respectively connected to the clamping portion and the moving portion.

4. The holder of claim 3, wherein the surfaces of the fixed member and the retaining member that are adjacent to each other are provided with a retaining structure for retaining the product.

5. The clamping device of claim 4, further comprising:

the cover sealing piece is arranged on one side of the base, the cover sealing piece is arranged on the containing groove in a covering mode, and the poking end of the rotating piece penetrates through the cover sealing piece.

6. The clamping device of claim 5, further comprising:

7. The clamping device as recited in claim 1, wherein the rotatable member has a limiting end, the limiting end is provided with a first limiting groove, the clamping device further comprises a first limiting member, the first limiting member is detachably disposed in the first limiting groove, and the first limiting member is configured to limit axial movement of the rotatable member.

8. The clamping device of claim 7, further comprising:

9. The clamping device according to claim 8, wherein the base has an accommodating hole, the guide member includes a guide rod and a limiting block, the guide rod is inserted into the accommodating hole and the guide hole, the guide rod has a first end and a second end, the first end and the second end are disposed opposite to each other and respectively extend out of the base, the limiting block is disposed at the first end, the second end is provided with a second limiting groove, the clamping device further includes a second limiting member, the second limiting member is detachably disposed in the second limiting groove, and the second limiting member and the limiting block are used for limiting axial movement of the guide rod.

10. The clamping device according to claim 8, wherein the base is provided with an accommodating hole, the accommodating hole comprises a first hole and a second hole which are communicated with each other, the aperture of the first hole is larger than that of the second hole, the guide member comprises a guide rod and a limiting block, the guide rod is inserted into the accommodating hole and the guide hole, the guide rod is provided with a first end and a second end which are opposite to each other, the limiting block is arranged in the second hole and connected with the first end, the second end extends out of the base, and the second end is provided with a second limiting groove; the clamping device further comprises a second limiting part, the second limiting part is detachably arranged in the second limiting groove, and the second limiting part and the limiting block are used for limiting the axial movement of the guide rod.