CN216939454U - Quick clamping structure and mechanical clamping device - Google Patents
Quick clamping structure and mechanical clamping device Download PDFInfo
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- CN216939454U CN216939454U CN202220420091.4U CN202220420091U CN216939454U CN 216939454 U CN216939454 U CN 216939454U CN 202220420091 U CN202220420091 U CN 202220420091U CN 216939454 U CN216939454 U CN 216939454U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model provides a quick clamping structure and a mechanical clamping device, wherein the quick clamping structure comprises a fixing device and an interchanging device, the fixing device comprises a fixing base and a clamping plate, the fixing base is provided with a frustum-shaped positioning through groove with a wide upper part and a narrow lower part, and the clamping plate can be movably arranged at the bottom of the positioning through groove in a pulling manner and is provided with a large opening and a small opening which are communicated; the exchange device comprises a fixing plate, a positioning block and a connecting block, wherein the positioning block and the connecting block are respectively fixed on the fixing plate, the connecting block is used for connecting an operation jig, the positioning block is of a frustum-shaped structure matched with the appearance of the positioning through groove, a clamping head is arranged at the bottom of the positioning block, the exchange device is positioned in the positioning through groove formed in the fixing base through the positioning of the positioning block, the clamping head penetrates through a large opening of the clamping plate, and the small opening and the clamping head are clamped by the drawing of the clamping plate to fix the fixing device and the exchange device. Clamping operation tool that can be quick, accurate.
Description
Technical Field
The utility model relates to the field of machining, in particular to a quick clamping structure and a mechanical clamping device.
Background
Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. For the slow wire process in the prior art, a processing jig (vice) used in the original processing needs to singly correct a workpiece in a machine tool, and the alignment and invalid actions of a machine halt part waste to cause long correction time, so that the machine halt time is long, and the utilization rate of a machine table is low. With the increase of the amount of tasks and the accumulation of parts, the delivery time is delayed and the cost is increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a quick clamping structure and a mechanical clamping device, which can be used for quickly and accurately clamping a working jig; effectively improve the utilization rate of the machine.
In order to achieve the purpose, the technical scheme provided by the utility model is as follows:
a quick clamping structure comprises a fixing device and an interchanging device, wherein the fixing device comprises a fixing base and a clamping plate, the fixing base is provided with a frustum-shaped positioning through groove with a wide upper part and a narrow lower part, and the clamping plate is movably arranged at the bottom of the positioning through groove in a drawing mode and is provided with a large opening and a small opening which are communicated; the interchange device comprises a fixing plate, a positioning block and a connecting block, wherein the positioning block and the connecting block are respectively fixed on the fixing plate, the connecting block is used for connecting a working jig, the positioning block is of a frustum-shaped structure matched with the appearance of the positioning through groove, a clamping head is arranged at the bottom of the positioning block, the interchange device is positioned and inserted into the positioning through groove of the fixing base through the positioning block to realize positioning, the clamping head penetrates through a large opening of the clamping plate, and the small opening of the clamping plate is clamped with the clamping head through drawing of the clamping plate to realize fixing of the fixing device and the interchange device.
Furthermore, the inclined angles of the inclined planes of the positioning through groove and the positioning block and the vertical normal line are 4-6 degrees.
Furthermore, a bolt is fixed at the bottom of the positioning block, and a nut part of the bolt is used as the chuck.
Further, exchange device still includes the connecting plate, the top of locating piece is fixed in the bottom of connecting plate, be fixed with the lug on the connecting plate, the lug has the spherical arc surface, the spherical arc surface protrusion of lug is in the upper surface of connecting plate and connects in the bottom of fixed plate, be provided with a plurality of adjusting bolt on the fixed plate, and a plurality of adjusting bolt are located the periphery of lug and the butt on the surface of connecting plate.
Furthermore, a fine adjustment cam is arranged between the connecting block and the fixing plate to adjust the relative position between the connecting block and the fixing plate.
A mechanical clamping device comprises a processing machine tool, a fixing device, an interchanging device and an operation jig, wherein the interchanging device is used for being assembled on the fixing device; the number of the fixing devices is at least two, and the fixing devices are used for switching between an external preset position and an internal position of the processing machine tool; the fixing device comprises a fixing base and a clamping plate, wherein the fixing base is provided with a frustum-shaped positioning through groove with a wide upper part and a narrow lower part, and the clamping plate is movably arranged at the bottom of the positioning through groove in a drawing mode and is provided with a large opening and a small opening which are communicated; exchange the device and include the fixed plate and fix locating piece and the connecting block on the fixed plate respectively, connecting block fixed connection the operation tool, the locating piece is the frustum shape structure of leading to groove appearance looks adaptation with the location, the bottom of locating piece is provided with the dop, exchange the device and insert the location that locates unable adjustment base through the locating piece location and lead to the inslot and realize the location, the dop passes the macrostoma of cardboard, the pull of cardboard makes osculum and dop looks joint and realizes fixing device and exchange device's fixed.
Furthermore, the inclined angles of the inclined planes of the positioning through groove and the positioning block and the vertical normal line are 4-6 degrees.
Furthermore, a bolt is fixed at the bottom of the positioning block, and a nut part of the bolt is used as the chuck.
Further, exchange device still includes the connecting plate, the top of locating piece is fixed in the bottom of connecting plate, be fixed with the lug on the connecting plate, the lug has the spherical arc surface, the spherical arc surface protrusion of lug is in the upper surface of connecting plate and connects in the bottom of fixed plate, be provided with a plurality of adjusting bolt on the fixed plate, and a plurality of adjusting bolt are located the periphery of lug and the butt on the surface of connecting plate.
Furthermore, a fine adjustment cam is arranged between the connecting block and the fixing plate to adjust the relative position between the connecting block and the fixing plate.
Through the technical scheme provided by the utility model, the method has the following beneficial effects:
the quick clamping structure that this scheme provided, fixing device can realize quick, accurate positioning assembly with exchanging the device.
The mechanical clamping device provided by the scheme is provided with at least two fixing devices capable of switching between the external preset position and the internal position, the interchanging device connected with the operation jig can be assembled on the fixing device at the external preset position firstly and then switched into the processing machine tool (namely the internal position) for operation, and the fixing devices and the interchanging device can realize quick and accurate positioning and assembly; reduce the machine tool down time, improve the board utilization ratio.
Drawings
FIG. 1 is a schematic view showing an assembled structure of a fixing device and an interchanging device in the embodiment;
FIG. 2 is a schematic view showing the structure of the fixing device and the interchanging device in the disassembled state in the embodiment;
FIG. 3 is a top view of the structure of FIG. 2;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a perspective view of the fixing device in the embodiment;
FIG. 7 is a top view of the fastening device of the embodiment;
FIG. 8 is a schematic perspective view of the interchanging device in the embodiment;
FIG. 9 is a perspective view of the interchanging device of the embodiment at another angle;
fig. 10 shows a side view of the interchanging device in the embodiment.
Detailed Description
To further illustrate the various embodiments, the utility model provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The utility model will now be further described with reference to the accompanying drawings and detailed description.
Example one
The embodiment provides a quick clamping structure, as shown in fig. 1 to 10, which includes a fixing device 10 and an interchanging device 20, where the fixing device 10 includes a fixing base 11 and a clamping plate 12, the fixing base 11 is provided with a positioning through groove 111 in a frustum shape with a wide upper part and a narrow lower part, and the clamping plate 12 is movably disposed at the bottom of the positioning through groove 111 and has a large opening 121 and a small opening 122 that are communicated with each other. The large opening 121 is used for abdicating, and the small opening 122 is used for clamping.
More specifically, the fixing base 11 has a slot 113 transversely disposed thereon, and the slot 113 is located at the bottom of the positioning through slot 111; the card board 12 is movably disposed in the slot 113.
The interchanging device 20 comprises a fixing plate 21 and a positioning block 22 and a connecting block 24 which are respectively fixed on the fixing plate 21, wherein the connecting block 24 is used for connecting an operation jig 30 (such as a vice for a slow wire process), the positioning block 22 is a frustum-shaped structure matched with the shape of a positioning through groove 111, a clamping head 23 is arranged at the bottom of the positioning block 22, the interchanging device 20 is positioned by inserting the positioning block 22 into the positioning through groove 111 of the fixing base 11, the clamping head 23 penetrates through a large opening 121 of the clamping plate 12, and the small opening 122 is clamped with the clamping head 23 by drawing the clamping plate 12 to fix the fixing device 10 and the interchanging device 20.
When assembling, the positioning block 22 of the interchanging device 20 is aligned and inserted into the positioning through groove 111 of the fixed base 11, and then the clamping plate 12 is pulled, so that the interchanging device 20 (and the working jig 30 thereon) can be fixed; and the rapid and accurate positioning assembly is realized.
Further, in the present embodiment, the positioning through groove 111 and the positioning block 22 are both of a square structure, that is, the positioning through groove 111 and the positioning block 22 have four inclined side surfaces, such as the side surface 112 of the positioning through groove 111 and the side surface 222 of the positioning block 22; after positioning, the side surface 112 of the positioning through groove 111 is attached to the side surface 222 of the positioning block 22. So set up, can not squint at the circumference direction after the assembly, and the contact surface is big, supports better. Of course, in other embodiments, the utility model is not limited to this, and other structures, such as triangle, hexagon, etc., may also be adopted; preferably of non-circular cross-section.
Further, in this embodiment, the inclined planes of the positioning through groove 111 and the positioning block 22 (i.e., the side surface 112 of the positioning through groove 111 and the side surface 222 of the positioning block 22) are inclined at an angle a of 4 ° -6 ° with respect to the vertical normal; so set up to guarantee the uniformity of its appearance precision in the cutting process of slow silk. Too small or too large an angle may affect the machining accuracy. A more preferred angle is 5 °.
Further, in this embodiment, a bolt is fixed to the bottom of the positioning block 22, and a nut portion of the bolt serves as the chuck 23. With such an arrangement, the chuck 23 is simple in structure.
Further, in this embodiment, the outer end of the fixed base 11 is formed with a pressing seat 114 above the slot 113, that is, the pressing seat 114 is also located above the card board 12 inserted into the slot 113. The pressing base 114 is provided with an abutting bolt (not shown) corresponding to the clamping plate 12, that is, the pressing base 114 is provided with a screw hole 115, the abutting bolt is assembled in the screw hole 115, and when the clamping head 23 is clamped by the clamping plate 12, the abutting bolt downwardly abuts against the clamping plate 12 to fix the interchanging device 20. So configured, operation is facilitated, although in other embodiments, the utility model is not so limited.
Further, in this embodiment, the interchanging device 20 further includes a connecting plate 25, the top of the positioning block 22 is fixed to the bottom of the connecting plate 25, a protrusion 28 is fixed on the connecting plate 25, the protrusion 28 has a spherical arc surface, and the spherical arc surface of the protrusion 28 protrudes from the upper surface of the connecting plate 25 and is connected to the bottom of the fixing plate 21, so that a certain gap exists between the connecting plate 25 and the fixing plate 21. Specifically, the fixing plate 21 is provided with a connecting bolt (not shown) which passes through the fixing plate 21 and is connected to the protrusion 28, the connecting plate 25 and the positioning block 22, so that a single-point connection of the connecting plate 25, the fixing plate 21, the protrusion 28 and the positioning block 22 is realized.
A plurality of adjusting bolts 27, specifically, four adjusting bolts 27 in this embodiment, are disposed on the fixing plate 21. And four adjusting bolts 27 are located at the periphery of the projection 28, and more specifically, located in the front, rear, left and right directions of the projection 28. The adjusting bolt 27 abuts on the upper surface of the connecting plate 25. So set up, can be through adjusting the said adjusting bolt 27 of different positions, thus adjust the levelness of the dead plate 21; the adjustment effect is better.
Specifically, the connecting block 24 is located at one side of the positioning block 22, the connecting block 24 is vertically arranged, the top of the connecting block is fixed on the fixing plate 21, and the bottom of the connecting block is fixedly connected with the operation jig 30. Further, a fine adjustment cam 26 is disposed between the connecting block 24 and the fixing plate 21 to adjust the relative position between the connecting block 24 and the fixing plate 21. More specifically, an elliptical hole is formed in the top of the connecting block 24, a cam of the fine adjustment cam 26 is matched in the elliptical hole of the connecting block 24, the fine adjustment cam 26 extends upwards and protrudes out of the fixing plate 21 so as to facilitate adjustment operation, and the connecting block 24 can be translated relative to the fixing plate 21 by rotating the fine adjustment cam 26 to achieve fine adjustment; such as by rotating trim cam 26 to move attachment block 24 away from fixture 10 or closer to fixture 10. So that the position of the working fixture 30 is more accurate.
Example two
The embodiment provides a mechanical clamping device, which comprises a processing machine tool, a fixing device, an interchanging device and an operation jig, wherein the interchanging device is used for being assembled on the fixing device; the number of the fixing devices is at least two, and the fixing devices are used for switching between an external preset position and an internal position of the processing machine tool; therefore, the operation jig can be assembled at the preset position outside the machine, and then transferred into the machine tool (namely the position inside the machine) to operate after the operation is finished, so that the operation jig can be prevented from being installed and replaced due to long-time shutdown.
Specifically, the mounting structure of the fixing device and the interchanging device is the same as the quick clamping structure of the first embodiment, specifically: referring to fig. 1 to 10, the fixing device 10 includes a fixing base 11 and a clamping plate 12, a positioning through groove 111 having a frustum shape with a wide upper part and a narrow lower part is formed in the fixing base 11, and the clamping plate 12 is movably disposed at the bottom of the positioning through groove 111 in a drawable manner and has a large opening 121 and a small opening 122 that are communicated with each other. The large opening 121 is used for abdicating, and the small opening 122 is used for clamping.
More specifically, the fixing base 11 has a transversely disposed slot 113, and the slot 113 is located at the bottom of the positioning through slot 111; the card board 12 is movably disposed in the slot 113.
The interchanging device 20 comprises a fixing plate 21 and a positioning block 22 and a connecting block 24 which are respectively fixed on the fixing plate 21, the connecting block 24 is connected with an operation jig 30 (such as a vice for a slow wire process), the positioning block 22 is a frustum-shaped structure matched with the shape of a positioning through groove 111, a clamping head 23 is arranged at the bottom of the positioning block 22, the interchanging device 20 is positioned by inserting the positioning block 22 into the positioning through groove 111 of the fixing base 11, the clamping head 23 penetrates through a large opening 121 of the clamping plate 12, and the small opening 122 is clamped with the clamping head 23 by drawing the clamping plate 12, so that the fixing device 10 and the interchanging device 20 are fixed.
The mechanical clamping device provided by the scheme is provided with at least two fixing devices 10 capable of switching between the external preset position and the internal position, and the interchanging device 20 connected with the operation jig 30 can be assembled on the fixing device 10 at the external preset position firstly and then switched to the internal position for operation. Meanwhile, when the interchanging device 20 is assembled on the fixing device 10, the positioning block 22 of the interchanging device 20 is aligned and inserted into the positioning through groove 111 of the fixing base 11, and then the clamping plate 12 is pulled out, so that the interchanging device 20 (and the working jig 30 thereon) can be fixed; the rapid and accurate positioning and assembly are realized; reduce the machine tool down time, improve the board utilization ratio.
Further, in the present embodiment, the positioning through groove 111 and the positioning block 22 are both of a square structure, that is, the positioning through groove 111 and the positioning block 22 have four inclined side surfaces, such as the side surface 112 of the positioning through groove 111 and the side surface 222 of the positioning block 22; after positioning, the side surface 112 of the positioning through groove 111 is attached to the side surface 222 of the positioning block 22. So set up, can not squint at the circumference direction after the assembly, and the contact surface is big, supports better. Of course, in other embodiments, without being limited thereto, other structures, such as triangle, hexagon, etc., may be adopted; preferably of non-circular cross-section.
Further, in this embodiment, the inclined planes of the positioning through groove 111 and the positioning block 22 (i.e., the side surface 112 of the positioning through groove 111 and the side surface 222 of the positioning block 22) are inclined at an angle a of 4 ° -6 ° with respect to the vertical normal; so set up to guarantee the uniformity of its appearance precision in the cutting process of slow silk. Too small or too large an angle may affect the machining accuracy. A more preferred angle is 5 °.
Further, in this embodiment, a bolt is fixed to the bottom of the positioning block 22, and a nut portion of the bolt serves as the chuck 23. With the arrangement, the chuck 23 is simple in structure.
Further, in this embodiment, the outer end of the fixed base 11 is formed with a pressing seat 114 above the slot 113, that is, the pressing seat 114 is also located above the card board 12 inserted into the slot 113. The pressing base 114 is provided with an abutting bolt (not shown) corresponding to the clamping plate 12, that is, the pressing base 114 is provided with a screw hole 115, the abutting bolt is assembled in the screw hole 115, and when the clamping head 23 is clamped by the clamping plate 12, the abutting bolt downwardly abuts against the clamping plate 12 to fix the interchanging device 20. So configured, operation is facilitated, although in other embodiments, it is not so limited.
Further, in this embodiment, the interchanging device 20 further includes a connecting plate 25, the top of the positioning block 22 is fixed to the bottom of the connecting plate 25, a protrusion 28 is fixed on the connecting plate 25, the protrusion 28 has a spherical arc surface, and the spherical arc surface of the protrusion 28 protrudes from the upper surface of the connecting plate 25 and is connected to the bottom of the fixing plate 21, so that a certain gap exists between the connecting plate 25 and the fixing plate 21. Specifically, the fixing plate 21 is provided with a connecting bolt (not shown) which passes through the fixing plate 21 and is connected to the protrusion 28, the connecting plate 25 and the positioning block 22, so that a single-point connection of the connecting plate 25, the fixing plate 21, the protrusion 28 and the positioning block 22 is realized.
The fixing plate 21 is provided with a plurality of adjusting bolts 27, specifically, four adjusting bolts 27 in this embodiment. And four adjusting bolts 27 are located at the periphery of the projection 28, and more specifically, located in the front, rear, left and right directions of the projection 28. The adjusting bolt 27 abuts on the upper surface of the connecting plate 25. So set up, can be through adjusting the said adjusting bolt 27 of different positions, thus adjust the levelness of the dead plate 21; the adjustment effect is better.
Specifically, the connecting block 24 is located on one side of the positioning block 22, the connecting block 24 is vertically arranged, the top of the connecting block is fixed on the fixing plate 21, and the bottom of the connecting block is fixedly connected with the operation jig 30. Further, a fine adjustment cam 26 is disposed between the connecting block 24 and the fixing plate 21 to adjust the relative position between the connecting block 24 and the fixing plate 21. More specifically, an elliptical hole is formed in the top of the connecting block 24, a cam of the fine adjustment cam 26 is fitted in the elliptical hole of the connecting block 24, the fine adjustment cam 26 extends upwards and protrudes out of the fixing plate 21 so as to facilitate adjustment operation, and the connecting block 24 can translate relative to the fixing plate 21 to achieve fine adjustment by rotating the fine adjustment cam 26; such as by rotating fine adjustment cam 26 to move connecting block 24 away from fixture 10 or closer to fixture 10. So that the position of the working fixture 30 is more accurate.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The utility model provides a quick clamping structure which characterized in that: the device comprises a fixing device and an interchanging device, wherein the fixing device comprises a fixing base and a clamping plate, the fixing base is provided with a frustum-shaped positioning through groove with a wide upper part and a narrow lower part, and the clamping plate is movably arranged at the bottom of the positioning through groove in a drawing manner and is provided with a large opening and a small opening which are communicated; the exchange device comprises a fixing plate, a positioning block and a connecting block, wherein the positioning block and the connecting block are respectively fixed on the fixing plate, the connecting block is used for connecting an operation jig, the positioning block is of a frustum-shaped structure matched with the appearance of the positioning through groove, a clamping head is arranged at the bottom of the positioning block, the exchange device is positioned in the positioning through groove formed in the fixing base through the positioning of the positioning block, the clamping head penetrates through a large opening of the clamping plate, and the small opening and the clamping head are clamped by the drawing of the clamping plate to fix the fixing device and the exchange device.
2. The quick clamping structure according to claim 1, wherein: the inclined angles of the inclined planes of the positioning through groove and the positioning block and the vertical normal line are 4-6 degrees.
3. The quick clamping structure according to claim 1, wherein: and a bolt is fixed at the bottom of the positioning block, and a nut part of the bolt is used as the chuck.
4. The quick clamping structure according to claim 1, wherein: the interchanging device further comprises a connecting plate, the top of the positioning block is fixed to the bottom of the connecting plate, a bump is fixed on the connecting plate and provided with a spherical arc surface, the spherical arc surface of the bump protrudes out of the upper surface of the connecting plate and is connected to the bottom of the fixing plate, a plurality of adjusting bolts are arranged on the fixing plate and located on the periphery of the bump and abutted to the surface of the connecting plate.
5. The quick clamping structure according to claim 1, wherein: and a fine adjustment cam is further arranged between the connecting block and the fixing plate to adjust the relative position between the connecting block and the fixing plate.
6. A mechanical clamping device is characterized in that: comprises a processing machine tool, a fixing device, an interchanging device used for being assembled on the fixing device and an operation jig assembled on the interchanging device; the number of the fixing devices is at least two, and the fixing devices are used for switching between an external preset position and an internal position of a processing machine tool; the fixing device comprises a fixing base and a clamping plate, wherein the fixing base is provided with a frustum-shaped positioning through groove with a wide upper part and a narrow lower part, and the clamping plate is movably arranged at the bottom of the positioning through groove in a drawing mode and is provided with a large opening and a small opening which are communicated; the interchange device comprises a fixing plate, a positioning block and a connecting block, wherein the positioning block and the connecting block are respectively fixed on the fixing plate, the connecting block is fixedly connected with the operation jig, the positioning block is of a frustum-shaped structure matched with the appearance of the positioning through groove, a clamping head is arranged at the bottom of the positioning block, the interchange device is positioned and inserted into the positioning through groove of the fixing base through the positioning block to realize positioning, the clamping head penetrates through a large opening of the clamping plate, and the small opening of the clamping plate is clamped with the clamping head to fix the fixing device and the interchange device.
7. The mechanical clamping device of claim 6, wherein: the inclined angles of the inclined planes of the positioning through groove and the positioning block and the vertical normal line are 4-6 degrees.
8. The mechanical clamping device of claim 6, wherein: and a bolt is fixed at the bottom of the positioning block, and a nut part of the bolt is used as the chuck.
9. The mechanical clamping device of claim 6, wherein: the interchanging device further comprises a connecting plate, the top of the positioning block is fixed to the bottom of the connecting plate, a bump is fixed on the connecting plate and provided with a spherical arc surface, the spherical arc surface of the bump protrudes out of the upper surface of the connecting plate and is connected to the bottom of the fixing plate, a plurality of adjusting bolts are arranged on the fixing plate and located on the periphery of the bump and abutted to the surface of the connecting plate.
10. The mechanical clamping device of claim 6, wherein: and a fine adjustment cam is further arranged between the connecting block and the fixing plate to adjust the relative position between the connecting block and the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220420091.4U CN216939454U (en) | 2022-02-25 | 2022-02-25 | Quick clamping structure and mechanical clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220420091.4U CN216939454U (en) | 2022-02-25 | 2022-02-25 | Quick clamping structure and mechanical clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN216939454U true CN216939454U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220420091.4U Active CN216939454U (en) | 2022-02-25 | 2022-02-25 | Quick clamping structure and mechanical clamping device |
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| Country | Link |
|---|---|
| CN (1) | CN216939454U (en) |
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2022
- 2022-02-25 CN CN202220420091.4U patent/CN216939454U/en active Active
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