CN211915828U - Rotary clamping device and marking equipment - Google Patents

Abstract

The utility model belongs to the technical field of marking device, especially, relate to a rotatory clamping device and marking device. The rotary clamping device comprises a driving mechanism, a mounting box, a rotating disc, a guide disc and a plurality of assembling fixtures, wherein the rotating disc is mounted on the driving mechanism, each assembling fixture is uniformly distributed on the rotating disc, an assembling notch is formed in the mounting box, the assembling notch and the rotating disc are concentric, the guide disc is fixedly arranged on the driving mechanism, the center of the guide disc coincides with the center of the rotating disc, each assembling fixture is provided with a guide block, and two adjacent guide blocks are staggered and respectively abutted to the outer edge of the guide disc and the inner edge of the assembling notch. Therefore, the staggered guiding function of the inner ring and the outer ring of each guide block is formed, so that the circle centers of two adjacent guide blocks belong to different circular arc tracks after the two guide blocks rotate to the marking position, and the centers of more than three guide blocks are positioned on the same straight line. The distance consistency of more than three parts to be marked which rotate to the position corresponding to the external laser relative to each laser is ensured.

Description

Rotary clamping device and marking equipment

Technical Field

The utility model belongs to the technical field of marking device, especially, relate to a rotatory clamping device and marking device.

Background

In the laser marking operation, utilize to rotate the platform and carry on a plurality of work pieces of waiting to mark usually and realize multistation laser marking operation, and when the mark station more than or equal to three of rotating the platform, because each work piece of waiting to mark needs to be led to by the positioning disk that sets up in rotating the platform, can cause like this that each work piece of waiting to mark rotates to the mark station that corresponds when, its center can not be in same straight line, also can lead to like this that each work piece of waiting to mark that is in on each mark station is inequality for the distance of each laser instrument.

In the prior art, the above problems are usually solved by adjusting the distance between each laser device and each workpiece to be marked on each marking station one by one, however, adjusting the distance between each laser device and each workpiece to be marked one by one often consumes time and labor and easily causes the deviation of the distance between each laser device and each marked part.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory clamping device and marking equipment aims at solving each laser instrument of adjustment one by one among the prior art and for being in each distance of marking the work piece of waiting to beat on each marking station, and is consuming time hard and easily cause each laser instrument to have the technical problem of deviation for each distance of marking the part.

In order to achieve the above object, the utility model adopts the following technical scheme: a rotary clamping device comprises a driving mechanism, a mounting box, a rotating disc, a guide disc and a plurality of assembling clamps for clamping parts to be marked, the driving mechanism is arranged in the mounting box, the rotating disc is arranged on the driving mechanism and can rotate under the driving of the driving mechanism, the assembling fixtures are uniformly distributed on the peripheral edge of the rotating disc, the top surface of the mounting box is provided with a circular assembly gap, the rotating disc is exposed out of the assembly gap, the circle center of the assembly notch and the circle center of the rotating disc are concentrically arranged, the guide disc is fixedly arranged on the driving mechanism, the central axis of the guide disc is coincident with the central axis of the rotating disc, the lower end of each assembling clamp is provided with a guide block, two adjacent guide blocks are arranged in a staggered way, the outer edge of the guide disc and the inner edge of the assembly notch are respectively abutted against two adjacent guide blocks.

Furthermore, the rotary clamping device further comprises a rotating mechanism, the rotating mechanism comprises a plurality of rotating motors and a plurality of clamping pieces, each rotating motor is arranged in the mounting box and is arranged corresponding to the movement path of each assembling fixture, each rotating motor is arranged corresponding to each marking position, and the clamping pieces are arranged on the output shafts of the corresponding rotating motors and are used for being clamped and matched with the corresponding guide blocks.

Furthermore, the rotating mechanism further comprises a plurality of support frames, each rotating motor is respectively installed in each support frame, each clamping piece is respectively and rotatably installed on each support frame, and the lower end of each clamping piece extends into the corresponding support frame and is connected with the output shaft of the corresponding rotating motor.

Further, each support frame all includes two vertical support boards and is used for connecting the horizontal mounting panel of rotating electrical machines, two vertical support boards all set up in the bottom of mounting box, horizontal mounting panel sets up in two vertical support boards are last and can be for two vertical support boards are fine motion on the horizontal plane, two vertical support boards with horizontal mounting panel encloses jointly and is established and be formed with the accommodation space that is used for the holding rotating electrical machines, the holder rotates to be installed in the corresponding horizontal mounting panel, just the lower extreme of holder wear to establish corresponding horizontal mounting panel and with the corresponding output shaft of rotating electrical machines is connected.

Further, each holder all includes installation department and two clamping parts, the installation department wears to establish the correspondence the horizontal mounting panel and connects in the correspondence on the output shaft of rotating electrical machines, two the clamping part all connect in on the installation department, and two be formed with between the clamping part and be used for the centre gripping to correspond the centre gripping clearance of guide block.

Furthermore, the two clamping parts protrude and extend towards one side of the clamping gap to form elastic pieces which are used for being abutted against the corresponding guide blocks.

Furthermore, two the clamping part orientation is corresponding one side of flexure strip all seted up the buffering and led to the chamber.

Further, each assembly fixture all includes clamping seat and rotation seat, a plurality of assembly through-holes have been seted up to the neighboring of rolling disc, rotate the seat and rotate and set up in corresponding in the assembly through-hole, just the lower extreme of rotating the seat is connected with correspondingly the guide block, clamping seat installs in corresponding rotate on the seat, just the clamping seat is seted up and is used for the clamping treat the centre gripping hole of beating the mark part, the pore wall of centre gripping hole runs through to inlay and is equipped with a plurality of elasticity butt pieces.

Furthermore, each of the assembly fixtures further includes a fastening sleeve, and the fastening sleeve is sleeved on the corresponding clamping seat and abuts against the corresponding elastic abutting pieces.

The utility model has the advantages that: the embodiment of the utility model provides a rotatory clamping equipment, the during operation, install the actuating mechanism drive rolling disc in the installation box and rotate, the rolling disc drives to install and beats the mark part rotation on assembly jig, and then realizes the rotatory conveying to beating the mark part. And the two adjacent guide blocks are arranged in a staggered manner, so that the outer edge of the guide disc and the inner edge of the assembly notch are respectively abutted against the two adjacent guide blocks. Because two adjacent guide blocks are respectively through the outer edge of the guide disc and the inner edge of the assembly notch in a butt mode to realize guiding, the staggered guiding effect of the inner ring and the outer ring of each guide block is actually formed, the circle centers of the two adjacent guide blocks are not on the same circular arc track but belong to different circular arc tracks after the two adjacent guide blocks rotate to the marking position, the distance between the inner edge of the assembly notch and the outer edge of the guide disc is only required to be set at the moment, and the centers of the more than three guide blocks are located on the same straight line. And then the distance consistency of more than three parts to be marked which rotate to the position corresponding to the external laser relative to each laser is ensured.

The utility model discloses another technical scheme be: a marking device comprises the rotary clamping device.

The utility model provides a marking device, owing to including foretell rotatory clamping device, and foretell rotatory clamping device can guarantee to rotate to beating the distance that mark part and each laser were beaten to treating more than three of mark position unanimous, just so also need not to adjust each laser for rotating to beating the distance of marking the mark part to each of mark position, and then showing the mark efficiency of beating that has promoted marking device.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a rotary clamping device of a rotary marking apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a part of a rotary clamping device of a rotary marking apparatus according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a rotary clamping device of a rotary marking apparatus according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rotating mechanism of a rotary marking device according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of a rotating mechanism of a rotary marking device according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a clamping member of a rotary marking apparatus according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an assembly fixture of a rotary marking apparatus according to an embodiment of the present invention;

fig. 8 is an exploded schematic view of an assembly jig of a rotary marking device according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-rotary clamping device 11-rotary disc 12-driving mechanism

13-assembly fixture 14-mounting box 15-guide disc

16-rotating mechanism 111-assembly through hole 131-guide block

132-clamping seat 133-rotating seat 134-clamping hole

135-elastic abutment 136-fastening sleeve 141-assembly notch

142-box cover 143-box body 144-clearance gap

161-rotating electrical machine 162-clamping member 163-support frame

164-vertical support plate 165-transverse mounting plate 166-mounting portion

167-holding part 168-holding gap 169-elastic piece

170-buffer through cavity 171-displacement sensor 172-assembly block

173-connecting pin 174-assembling ring 175-ring gasket

176-bearing member.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like 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 fig. 1 to 8 are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-3, the embodiment of the utility model provides a rotatory clamping device, including rolling disc 11, actuating mechanism 12, deflector 15, mounting box 14 and a plurality of assembly jig 13 that are used for the clamping to treat the mark part, actuating mechanism 12 installs on workstation 30, rolling disc 11 installs on actuating mechanism 12 and can rotate for workstation 30 under actuating mechanism 12's drive, actuating mechanism 12 installs in mounting box 14, assembly breach 141 has been seted up to the top surface of mounting box 14, specifically, mounting box 14 includes box body 143 and lid 142, lid 142 lid is located on box body 143, actuating mechanism 12 is located in box body 143, assembly breach 141 is formed on lid 142.

Further, the assembly notch 141 is circular, the center of the assembly notch 141 and the center of the rotating disc 11 are concentrically arranged, the rotating disc 11 is exposed out of the assembly notch 141, the guide disc 15 is fixedly arranged on the driving mechanism, the central axis of the guide disc 15 coincides with the central axis of the rotating disc 11, the lower end of each assembly fixture 13 is provided with a guide block 131, two adjacent guide blocks 131 are arranged in a staggered manner, and the outer edge of the guide disc 15 and the inner edge of the assembly notch 141 are respectively abutted to the two adjacent guide blocks 131.

The following is further explained the rotary marking device provided by the embodiment of the present invention: the embodiment of the utility model provides a rotatory clamping equipment, the during operation is installed in the 12 drive rolling discs 11 rotations of actuating mechanism in mounting box 14, and rolling discs 11 drives and installs the mark part rotation of beating on assembly jig 13, and then realizes beating the rotatory conveying of mark part. And the adjacent two guide blocks 131 are staggered, so that the outer edge of the guide disc 15 and the inner edge of the assembly notch 141 are respectively abutted against the adjacent two guide blocks 131. Therefore, the two adjacent guide blocks 131 are respectively abutted to the outer edge of the guide disc 15 and the inner edge of the assembly notch 141 to realize guiding, so that an inner and outer ring staggered guiding effect on each guide block 131 is actually formed, the circle centers of the two adjacent guide blocks 131 are not on the same circular arc track but belong to different circular arc tracks after rotating to the marking position, and at the moment, only the distance between the inner edge of the assembly notch 141 and the outer edge of the guide disc 15 needs to be set, so that the centers of more than three guide blocks 131 are positioned on the same straight line. And then the distance consistency of more than three parts to be marked which rotate to the position corresponding to the external laser relative to each laser is ensured.

In another embodiment of the present invention, as shown in fig. 4 to 6, the rotating and clamping device 10 further includes a rotating mechanism 16, the rotating mechanism 16 includes a plurality of rotating electrical machines 161 and a plurality of clamping pieces 162, each rotating electrical machine 161 is disposed in the mounting box 14 and is corresponding to the movement path of each assembling fixture 13, each rotating electrical machine 161 is corresponding to each marking position, the clamping pieces 162 are disposed on the output shaft of the corresponding rotating electrical machine 161 and are used for clamping and matching with the corresponding guide block 131, and simultaneously, the inner edge of the assembling gap 141 and the outer edge of the rotating disc 11 have been disposed with the clearance gap 144 in the corresponding position of each marking position, so as to accommodate the clamping pieces 162. Specifically, each of the rotating motors 161 may be respectively located at intersections of the laser beams emitted from the respective lasers 50 and the movement paths of the respective mounting jigs 13. Like this, when assembly fixture 13 moves to when marking the position, guide block 131 can be caught by the holder 162 that is provided with on the rotating electrical machines 161 output shaft, rotating electrical machines 161 can drive holder 162 and rotate this moment, holder 162 can drive guide block 131 and assembly fixture 13 rotation again, so just so realized assembly fixture 13's autogyration, also realized the centre gripping treat on assembly fixture 13 and mark the rotation of part for laser instrument 50, so just make laser instrument 50 can realize treating the optional position of marking the part and marking the operation, further promoted laser marking's flexibility.

In another embodiment of the present invention, as shown in fig. 4 and 5, the rotating mechanism 16 further includes a plurality of supporting frames 163, each rotating electrical machine 161 is installed in each supporting frame 163, each clamping member 162 is installed on each supporting frame 163 in a rotating manner, and the lower end of each clamping member 162 extends into the corresponding supporting frame 163 and is connected to the output shaft of the corresponding rotating electrical machine 161. In particular, thanks to the presence of the support 163, this provides, on the one hand, an assembly support for the rotary electric machine 161, enabling a stable mounting of the rotary electric machine 161, and, on the other hand, an effective support of the clamp 162.

In another embodiment of the present invention, as shown in fig. 4 and 5, each support frame 163 includes two vertical support plates 164 and a horizontal mounting plate 165 for connecting the corresponding rotating electric machine 161, the two vertical support plates 164 are all disposed at the bottom of the mounting box 14, the horizontal mounting plate 165 is disposed on the two vertical support plates 164 and can slightly move on the horizontal plane relative to the two vertical support plates 164, the two vertical support plates 164 and the horizontal mounting plate 165 jointly enclose and are provided with an accommodating space for accommodating the corresponding rotating electric machine 161, the clamping member 162 is rotatably mounted on the corresponding horizontal mounting plate 165, and the lower end of the clamping member 162 penetrates through the corresponding horizontal mounting plate 165 and is connected to the output shaft of the corresponding rotating electric machine 161. Specifically, the transverse mounting plate 165 can be mounted on the two vertical mounting plates by screws, and the hole diameter of the screw hole on the transverse mounting plate 165 can be larger than the diameter of the screw, so that the transverse mounting plate 165 can be mounted relatively loosely relative to the two vertical support plates 164, and further, the transverse mounting plate 165 can slightly move on a horizontal plane (a plane formed by an X axis and a Y axis) relative to the two vertical support plates 164. After the clamping piece 162 is matched with the guide block 131, the transverse mounting plate 165 can realize micro-motion, so that the output shaft of the rotating motor 161 and the clamping piece 162 can be allowed to rotate along with the guide block 131 within a certain range, the guide block 131 can be always firmly clamped on the clamping piece 162 in the rotating process, and the matching stability and accuracy of the clamping piece 162 and the guide block 131 are improved. Further, two assembling blocks 172 are further installed below the transverse installation plate 165, and the upper end and opposite sides of the rotating electric machine 161 are respectively bolted to the two assembling blocks 172 to achieve fixation relative to the transverse installation plate 165.

In another embodiment of the present invention, as shown in fig. 6, each clamping member 162 includes an installation portion 166 and two clamping portions 167, the installation portion 166 penetrates through the corresponding transverse mounting plate 165 and is connected to the output shaft of the corresponding rotating electric machine 161, the two clamping portions 167 are connected to the installation portion 166, and a clamping gap 168 for clamping the corresponding guide block 131 is formed between the two clamping portions 167. Specifically, by forming the clamping gap 168 between the two clamping portions 167, when the guide block 131 rotates to the two clamping portions 167, the guide block can slide into the clamping gap 168 and be limited by the two clamping portions 167, so that the output shaft of the rotating motor 161 and the guide block 131 are indirectly connected, and the guide block 131 can rotate under the driving of the output shaft, and drives the assembly fixture 13 and the part to be marked to rotate relative to the rotating disc 11 and the laser 50.

Further, a connecting pin 173 is provided at the lower end of the mounting portion 166, a through hole is provided in the horizontal mounting plate 165, a bearing member 176 is provided in the through hole, and the connecting pin 173 is inserted into the bearing member 176 and connected to the output shaft of the rotating electric machine 161. A ring washer 175 and a fitting ring 174 are further provided between the mounting portion 166 and the lateral mounting plate 165, and a displacement sensor 171 is mounted at one end of the fitting ring 174 so as to monitor the positional relationship of the guide block 131 with respect to the rotary electric machine 161.

In another embodiment of the present invention, as shown in fig. 6, the two clamping portions 167 are protruded toward one side of the clamping gap 168 to form an elastic piece 169 for abutting against the corresponding guide block 131. Specifically, due to the elastic pieces 169, the guide block 131 can be clamped and rotated along with the clamping piece 162 when the guide block 131 is rotated into the clamping gap 168 only through the two elastic pieces 169 without arranging a bead screw.

Furthermore, the clamping portion 167 is further provided with a buffer through cavity 170 on a side facing the corresponding elastic piece 169, and the buffer through cavity 170 is disposed corresponding to the elastic piece 169, so that the elastic piece 169 can move into the buffer through cavity 170 when being elastically deformed, and interference caused by the clamping portion 167 can be avoided.

In the utility model discloses a further embodiment, as shown in fig. 7 and 8, each assembly fixture 13 all includes clamping seat 132 and rotates seat 133, a plurality of assembly through-holes 111 have been seted up to the neighboring of rolling disc 11, it sets up in corresponding assembly through-hole 111 to rotate seat 133, and the lower extreme of rotating seat 133 is connected with corresponding guide block 131, clamping seat 132 installs on corresponding rotation seat 133, and clamping seat 132 offers and is used for the clamping to wait to beat the centre gripping hole 134 of marking the part, the pore wall of centre gripping hole 134 runs through to inlay and is equipped with a plurality of elasticity butt pieces 135. Specifically, through setting up clamping seat 132 and rotating seat 133, clamping seat 132 can treat through its centre gripping hole 134 and beat the mark part and realize effective centre gripping like this, and because run through on the centre gripping hole 134 pore wall and inlay and be equipped with a plurality of elasticity butt pieces 135, each elasticity butt piece 135 can be further realized accurate spacing to the part of waiting to beat that sets up in centre gripping hole 134 like this, makes it set up in centre gripping hole 134 more firmly.

In another embodiment of the present invention, as shown in fig. 7 and 8, each assembling jig 13 further includes a fastening sleeve 136, and the fastening sleeve 136 is sleeved on the corresponding clamping seat 132 and abuts against each elastic abutting member 135. The fastening sleeve 136 is sleeved on the corresponding clamping seat 132 and abuts against each elastic abutting piece 135. Specifically, by sleeving the fastening sleeve 136 outside the clamping seat 132, the fastening sleeve 136 can effectively limit each elastic abutting part 135, and prevent each elastic abutting part 135 from being separated from the clamping seat 132 under the extrusion and vibration effects of the part to be marked.

The embodiment of the utility model provides a marking device is still provided, including foretell rotatory clamping device.

The embodiment of the utility model provides a marking device, owing to including foretell rotatory clamping device, and foretell rotatory clamping device can guarantee to rotate to beating the distance that mark part and each laser were beaten to treating more than three of mark position unanimous, just so also need not to adjust each laser for rotating to beating the distance of marking the mark part to each treating of mark position, and then showing marking efficiency who has promoted marking device

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a rotatory clamping device which characterized in that: comprises a driving mechanism, a mounting box, a rotating disc, a guide disc and a plurality of assembling clamps for clamping parts to be marked, the driving mechanism is arranged in the mounting box, the rotating disc is arranged on the driving mechanism and can rotate under the driving of the driving mechanism, the assembling fixtures are uniformly distributed on the peripheral edge of the rotating disc, the top surface of the mounting box is provided with a circular assembly gap, the rotating disc is exposed out of the assembly gap, the circle center of the assembly notch and the circle center of the rotating disc are concentrically arranged, the guide disc is fixedly arranged on the driving mechanism, the central axis of the guide disc is coincident with the central axis of the rotating disc, the lower end of each assembling clamp is provided with a guide block, two adjacent guide blocks are arranged in a staggered way, the outer edge of the guide disc and the inner edge of the assembly notch are respectively abutted against two adjacent guide blocks.

2. The rotating clamping device according to claim 1, wherein: the rotary clamping device further comprises a rotating mechanism, the rotating mechanism comprises a plurality of rotating motors and a plurality of clamping pieces, each rotating motor is arranged in the mounting box and is arranged corresponding to the motion path of each assembling clamp, each rotating motor is arranged corresponding to each marking position, and the clamping pieces are arranged on the corresponding output shafts of the rotating motors and are used for being clamped and matched with the corresponding guide blocks.

3. The rotating clamping device according to claim 2, wherein: the rotating mechanism further comprises a plurality of supporting frames, each rotating motor is installed in each supporting frame, each clamping piece is installed on each supporting frame in a rotating mode, and the lower end of each clamping piece extends into the corresponding supporting frame and is connected with the output shaft of the corresponding rotating motor.

4. The rotating clamping device according to claim 3, wherein: each the support frame all includes two vertical support boards and is used for connecting the horizontal mounting panel of rotating electrical machines, two vertical support boards all set up in the bottom of mounting box, horizontal mounting panel sets up in two vertical support boards is last and can be for two vertical support boards are fine motion on the horizontal plane, two vertical support boards with horizontal mounting panel encloses jointly to be established and is formed with and is used for the holding rotating electrical machines's accommodation space, the holder rotates to be installed in corresponding on the horizontal mounting panel, just the lower extreme of holder is worn to establish the correspondence horizontal mounting panel and with corresponding the output shaft of rotating electrical machines is connected.

5. The rotating clamping device according to claim 4, wherein: each the holder all includes installation department and two clamping parts, the installation department wears to establish the correspondence the horizontal mounting panel and connects in the correspondence on the output shaft of rotating electrical machines, two the clamping part all connect in on the installation department, and two be formed with between the clamping part and be used for the centre gripping to correspond the centre gripping clearance of guide block.

6. The rotating clamping device according to claim 5, wherein: and one side of each clamping part facing the clamping gap is convexly extended to form an elastic sheet which is used for being abutted against the corresponding guide block.

7. The rotating clamping device according to claim 6, wherein: two the clamping part orientation corresponds one side of flexure strip all has seted up the buffering and leads to the chamber.

8. The rotary clamping device according to any one of claims 1 to 7, wherein: each assembly fixture all includes clamping seat and rotation seat, a plurality of assembly through-holes have been seted up to the neighboring of rolling disc, rotate the seat and rotate and set up in corresponding in the assembly through-hole, just the lower extreme of rotating the seat is connected with correspondingly the guide block, clamping seat installs in corresponding rotate on the seat, just the clamping seat is seted up and is used for the clamping treat the centre gripping hole of beating the mark part, the pore wall in centre gripping hole runs through to inlay and is equipped with a plurality of elasticity butt pieces.

9. The rotating clamping device according to claim 8, wherein: each assembling clamp further comprises a fastening sleeve, and the fastening sleeve is sleeved on the corresponding assembling clamp seat and is abutted against each corresponding elastic abutting part.

10. A marking device, characterized by: the rotary clamping device comprises the rotary clamping device as claimed in any one of claims 1 to 9.

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