CN220407917U - CNC slide rail type internal stay clamp - Google Patents
CNC slide rail type internal stay clamp Download PDFInfo
- Publication number
- CN220407917U CN220407917U CN202321606006.4U CN202321606006U CN220407917U CN 220407917 U CN220407917 U CN 220407917U CN 202321606006 U CN202321606006 U CN 202321606006U CN 220407917 U CN220407917 U CN 220407917U
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- thimble
- movable rod
- inner support
- rod
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000005855 radiation Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 13
- 238000003825 pressing Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000003801 milling Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of clamps, and particularly discloses a CNC sliding rail type internal supporting clamp which is controllable in pressing force, difficult to damage a workpiece and high in positioning efficiency and processing efficiency, comprising an installation seat, a driving body and an internal supporting jig, wherein the top surface of the installation seat is radially provided with a plurality of guide grooves, the driving body is accommodated in the installation seat and is provided with a lifting movable rod, the top part of the movable rod is provided with a thimble, and the width of at least the part connected with the movable rod on the thimble is larger than the width of the movable rod; the inner supporting jig comprises a plurality of movable pieces which are arranged on the top surface of the mounting seat in a sliding manner, positioning blocks are respectively arranged at the tops of the movable pieces, and the movable pieces are jointly enclosed to form a slot for penetrating the movable rod and the thimble; the bottom of each movable piece is correspondingly inserted into a guide groove, the bottom of each movable piece is respectively fixed with a pull rod, one end of each pull rod is elastically connected with the inner side surface of the guide groove through a spring, the other ends of the pull rods jointly enclose an inserting channel, and the width of the inserting channel when the spring naturally stretches is between the width of the bottom of the thimble and the width of the movable rod.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a CNC sliding rail type inner support clamp.
Background
Before the workpiece is processed on a CNC (Computer number control) milling machine, the workpiece needs to be positioned, so that the problem of poor processing caused by displacement of the workpiece in the processing process is prevented. At present, the workpiece on the CNC milling machine is positioned by adopting universal fixtures such as a chuck, a vice, a T-shaped screw and a pressing plate, and because the application range of the universal fixtures is larger, the structure of the fixture cannot be completely adapted to the outline of the workpiece, and the workpiece reference alignment and adjustment are required to be performed for a long time before each machining, so that the auxiliary machining time of the CNC milling machine is prolonged, the production efficiency of the CNC milling machine is insufficient, and the fixture is mainly suitable for numerical control machining of single parts and small batches of parts. Aiming at numerical control processing of parts with concave holes, wherein the base of the bottom surface and the side surface of the parts are planes in large batches, the bottom surface of the workpiece is usually positioned by adopting a supporting nail or a positioning plane, and is further tensioned by a magnetic base or a vacuum chuck; the side surface of the workpiece is positioned by a supporting plate or a supporting nail, and is directly clamped and fixed by a screw. The workpiece can be positioned quickly by the mode, but when the workpiece is clamped and fastened directly by the screw, the pressing force applied to the workpiece is totally dependent on the experience of workers, and the excessive pressing force can cause deformation and increase of positioning errors of the workpiece, so that the reject ratio of workpiece processing is improved; the adjustment of the workpiece in the clamping process also increases the auxiliary processing time of the milling machine and reduces the processing efficiency of the workpiece.
Disclosure of Invention
Based on the above, it is necessary to provide a CNC slide rail type inner support clamp with controllable pressing force, less damage to the workpiece, and high positioning efficiency and processing efficiency.
A CNC slide rail type inner support clamp, comprising:
the mounting seat is provided with a plurality of guide grooves which are radially arranged and communicated with each other, and the communication part of the guide grooves is a radial center;
the driving body is accommodated in the mounting seat and provided with a movable rod penetrating out of the top surface of the mounting seat and lifting in the vertical direction, the top of the movable rod is connected with a thimble, and the width of at least the part connected with the movable rod on the thimble is larger than that of the movable rod; and
the inner supporting jig comprises a plurality of movable pieces which are arranged on the top surface of the mounting seat in a sliding manner and correspond to the guide grooves in number, and positioning blocks are respectively arranged at the tops of the movable pieces so as to jointly form a positioning part for supporting a workpiece to be processed; the movable pieces are enclosed together to form a slot which extends from the bottom surface of the inner support jig to the top of the inner support jig and is used for penetrating the movable rod and the thimble; the bottom of each movable piece is correspondingly inserted into a guide groove, the bottom of each movable piece is respectively fixed with a pull rod, one end of each pull rod is elastically connected with the side surface of the guide groove, which is far away from the radiation center, through a spring, the other end of each pull rod is positioned at the radiation center, one end of each pull rod positioned at the radiation center is jointly enclosed into an inserting channel, and the width of the inserting channel when the spring naturally stretches is between the width of the bottom of the thimble and the width of the movable rod.
In one embodiment, the mounting seat comprises a bottom plate, two supporting plates oppositely arranged on the top surface of the bottom plate, and a fixing plate which is positioned above the bottom plate and fixedly connected with the tops of the two supporting plates respectively, wherein the bottom plate, the supporting plates and the fixing plate jointly enclose to form a containing space for containing the driving body.
In one embodiment, the driving body is a cylinder communicated with an external air pump, or the driving body is an electric cylinder electrically connected with an external power supply.
In one embodiment, the movable member is integrally formed with the positioning block.
In one embodiment, the movable member is screwed or snapped to the positioning block.
In one embodiment, the bottom of the thimble is a spherical surface, or a conical surface with a wide upper part and a narrow lower part.
In one embodiment, an expansion head is arranged at one end of the pull rod, which is positioned at the radial center, one side of the expansion head is abutted with the side surface of the bottom of the movable piece, and an inclined surface or an arc surface which is adaptive to the bottom shape of the thimble is arranged at the other side of the expansion head.
In one embodiment, the ejector pin is integrally formed with the movable rod.
In one embodiment, the ejector pin is screwed, snapped, glued or welded to the top of the movable rod.
In one embodiment, the inner support jig comprises two movable pieces arranged oppositely, or three or more movable pieces arranged at intervals along the circumferential direction.
According to the CNC sliding rail type internal supporting clamp, the driving body is used for providing power for lifting the ejector pins, the lifting distance of the ejector pins can be accurately controlled by adjusting the stroke of the movable rod at the movable end of the driving body in the process of clamping a workpiece, the movable part is driven by the ejector pins to be far away from the inserting channel to open the positioning part by the pushing force of the ejector pins to the pull rod, or the movable part is driven by the spring to be reset by the pull rod to be close to the inserting channel to shrink the positioning part when the pushing force of the ejector pins to the pull rod is relieved, so that the pressing force of the positioning part to the workpiece is accurately controlled, deformation or damage of the workpiece caused by overlarge stress is avoided, and the defective rate of the workpiece is reduced; the driving body with the liftable movable rod is selected, so that the workpiece with the concave holes is rapidly positioned, the workpiece positioning efficiency is improved, the workpiece processing time is shortened, and the workpiece processing efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a CNC sliding rail type inner support clamp according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a CNC sliding rail type inner support clamp according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a CNC sliding rail type inner support clamp in another state according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a structure of a fixing plate according to an embodiment of the present utility model;
fig. 5 is a schematic structural view of a single movable member in an embodiment of the present utility model.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
Referring to fig. 1-3, the utility model discloses a CNC sliding rail type internal support fixture 10 with controllable pressing force, difficult damage to a workpiece, high positioning efficiency and high processing efficiency, wherein the CNC sliding rail type internal support fixture 10 comprises a mounting seat 100, a driving body 200 and an internal support fixture 300, wherein the mounting seat 100 is used for providing support for other components and limiting the driving body 200. In this embodiment, the mount 100 is supported by a metal material having high mechanical strength, and for example, the mount 100 is made of an aluminum alloy, cast iron, or stainless steel material. Further, the mounting seat 100 includes a bottom plate 110, two support plates 120 disposed on the top surface of the bottom plate 110, and a fixing plate 130 disposed above the bottom plate 110 and fixedly connected to the tops of the two support plates 120, where the bottom plate 110, the support plates 120, and the fixing plate 130 together enclose a receiving space for receiving the driving body 200. The base plate 110, the support plate 120 and the fixing plate 130 may be integrally formed, and the support plate 120 may be connected to the base plate 110 and the fixing plate 130 by bolts or screws, respectively, so that when a part of the components are damaged, the damaged components are individually replaced.
In this embodiment, a plurality of guide grooves 140 are radially disposed and communicated on the top surface of the mounting base 100, the communication part of the plurality of guide grooves 140 is a radial center, and a through hole 150 for the movable rod and the thimble to pass through is formed in the radial center. That is, a plurality of guide grooves 140 are radially provided on the fixing plate 130, and when the number of guide grooves 140 is four, each guide groove 140 is provided in an "X" shape on the fixing plate 130, and when the number of guide grooves 140 is six, each guide groove 140 is provided in an "X" shape on the fixing plate 130, and when the number of guide grooves 140 is eight, each guide groove 140 is provided in a "m" shape on the fixing plate 130. The guide groove 140 is used for limiting the moving path of the movable member on the fixed plate 130, so as to avoid collision of each movable member during the moving process, and ensure the moving reliability of the movable member.
The driving body 200 is used for providing power for lifting the ejector pins, in other words, the driving body 200 is used for indirectly providing power for moving the movable member on the fixed plate 130. Specifically, the driving body 200 is accommodated in the mounting seat 100 and has a movable rod 210 penetrating through the top surface of the mounting seat 100 and lifting in the vertical direction, in this embodiment, the driving body 200 is an air cylinder communicating with an external air pump, or the driving body 200 is an electric cylinder electrically connected with an external power supply. Preferably, the driving body 200 is a cylinder. The driving body 200 is fixed to the bottom plate 110 or to the bottom of the fixing plate 130 by bolts. The top of movable rod 210 is connected with thimble 220, and the width of the position of being connected with movable rod 210 is greater than the width of movable rod 210 on the thimble 220 at least to when guaranteeing that movable rod 210 drove thimble 220 and go up and down, only thimble 220 provides the power that is used for driving the movable part to remove, so, through shape and the size of the position of being connected with movable rod 210 on the control thimble 220, can accurate control the travel distance of movable part.
In one embodiment, the ejector pin 220 is integrally formed with the movable rod 210. In another embodiment, the ejector pin 220 is threaded, screwed, snap-fit, glued, or welded to the top of the movable rod 210. The threaded connection between the ejector pin 220 and the movable rod 210 comprises two forms, wherein the top of the movable rod 210 is provided with external threads, and the bottom of the ejector pin 220 is provided with a threaded hole in threaded connection with the movable rod 210; and the top of the movable rod 210 is provided with a thread groove, and the bottom of the thimble 220 is provided with a stud in threaded connection with the thread groove. The adhesion of the ejector pin 220 and the movable rod 210 is suitable for the case that both are made of plastic materials, and the welding of the ejector pin 220 and the movable rod 210 is suitable for the case that both are made of metal materials. Further, the bottom of the thimble 220 is a spherical surface, or a conical surface with a wide upper part and a narrow lower part; correspondingly, when the bottom of the thimble 220 is a spherical surface, that is, the bottom of the thimble 220 is a round head, and the part of the pull rod matched with the thimble 220 is also a spherical surface; when the bottom of the ejector pin 220 is a conical surface or a conical surface with a wide top and a narrow bottom, the part of the pull rod matched with the ejector pin 220 is also a conical surface or a conical surface, so that the pull rod is pushed to move in a direction away from the center of the ejector pin 220 by the downward pressing of the ejector pin 220.
The inner support jig 300 is used for expanding or contracting under the action of the ejector pins 220 to clamp or unclamp the workpiece 20 to be machined. Specifically, the inner support fixture 300 includes a plurality of movable members 310 slidably disposed on the top surface of the mounting base 100 and corresponding to the guide slots 140, and positioning blocks 320 are respectively disposed on the top of each movable member 310 to form a positioning portion for supporting the workpiece 20 to be processed. In an embodiment, the inner support fixture 300 includes two movable members 310 disposed oppositely, or includes three or more movable members 310 disposed at intervals along the circumferential direction, each movable member 310 is disposed uniformly along the circumferential direction on the top of the fixed plate 130, the cross section of each movable member 310 at the radial center is in a fan-shaped structure, the sum of central angles of the fan-shaped structures of each movable member 310 is 360 °, and the part of each movable member 310 far from the radial center may be in a circular arc structure or may be in a continuous folded structure. In one embodiment, the movable member 310 and the positioning block 320 are integrally formed. In another embodiment, the movable member 310 is screwed or snapped to the positioning block 320, that is, the positioning block 320 is detachably mounted on the top of the movable member 310, so that the positioning block 320 with a replaceable shape adapted to the inner contour shape of the positioning hole on the workpiece 20 to be processed is mounted to ensure the positioning stability of the workpiece.
Referring to fig. 1-5, each movable member 310 encloses together to form a slot 330 extending from the bottom surface of the inner support jig 300 to the top of the inner support jig 300 and used for penetrating the movable rod 210 and the ejector pin 220, and in this embodiment, the slot 330 has an equal width structure. In addition, the positioning block 320 is disposed on the top of the movable member 310 and adjacent to the radiation center, and the distance from the edge of the positioning block 320 to the radiation center is smaller than the distance from the edge of the movable member 310 to the radiation center, in other words, the positioning block 320 protrudes from the top of the movable member 310, so, when the positioning blocks 320 on the top of each movable member 310 abut, slots 330 for inserting the movable rod 210 and the ejector pins 220 are always formed between each movable member 310, so as to ensure smooth lifting of the ejector pins 220. The bottom of each movable member 310 is correspondingly inserted into a guide slot 140, and the bottom of each movable member 310 is respectively fixed with a pull rod 340, and the pull rods 340 can be fixed at the bottom of the movable member 310 by screws or at the bottom of the movable member 310 by fastening. Preferably, the bottom of the movable member 310 is bent away from the slot 330 and forms a mounting portion 311, and the mounting portion 311 is provided with a threaded hole for inserting a screw, so as to realize screw connection between the movable member 310 and the pull rod 340.
One end of each pull rod 340 is elastically connected with the side surface, far away from the radial center, in the guide groove 140 through a spring 350, the other end of each pull rod 340 is positioned at the radial center, one end of each pull rod 340 positioned at the radial center jointly encloses an inserting channel 360, and the width of the inserting channel 360 when the spring 350 naturally stretches is between the width of the bottom of the thimble 220 and the width of the movable rod 210. In this embodiment, the spring 350 is used to provide a restoring force for restoring the pull rod 340 when the ejector pin 220 releases the pressure on the pull rod 340. In order to prevent the spring 350 from falling off from the guide groove 140 when being co-extruded by the inner wall of the guide groove 140 and the pull rod 340, the side surface of the guide groove 140 far away from the radial center is protruded to form a positioning pin, one end of the spring 350 is sleeved on the positioning pin, the other end of the spring 350 is sleeved on the pull rod 340, and of course, both ends of the spring 350 can be fixed on the inner wall of the guide groove 140 and the pull rod 340 through hooks respectively, or concave holes are formed in the inner wall of the guide groove 140, so that the positioning of the spring 350 is realized. In another embodiment, while the pull rod 340 is fixed to the bottom of the movable member 310, one end of the pull rod 340 far away from the radial center is inserted into the hole 141 on the inner wall of the guide slot 140, the spring 350 is sleeved on the pull rod 340, and two ends of the spring 350 are respectively abutted against the inner wall of the guide slot 140 and the side edges of the pull rod 340. By setting the plugging channel 360 to have a width between the width of the bottom of the ejector pin 220 and the width of the movable rod 210 when the spring 350 naturally stretches, it is ensured that the movable rod 210 does not squeeze the pull rod 340 when the ejector pin 220 leaves the pull rod 340; when the ejector pin 220 approaches and presses the pull rod 340, the pull rod 340 drives the movable piece 310 to move under the action of the ejector pin 220, so that the movement of the pull rod 340 and the movable piece 310 is controlled only through the lifting of the ejector pin 220, and the reliability of the movement control of the movable piece 310 is ensured.
Further, an expansion head 341 is disposed at one end of the pull rod 340 at the radial center, one side of the expansion head 341 is abutted against the bottom side of the movable member 310, and an inclined plane or an arc surface corresponding to the bottom shape of the ejector pin 220 is disposed at the other side of the expansion head 341. In this way, in the lifting process of the ejector pin 220, the ejector pin 220 is only abutted and extruded with the expansion head 341, so that abrasion of the ejector pin 220 caused by surface contact with the movable part 310 is avoided, the relation between the stroke of the driving part and the movement distance of the movable part 310 caused by the size change of the ejector pin 220 is prevented from being changed, the accuracy and the reliability of the movement of the ejector pin 220 for driving the pull rod 340 are ensured, and the service life of the ejector pin 220 is prolonged. In addition, in the present embodiment, the ejector pin 220 drives the pull rod 340 and the movable member 310 to move, so that the projection area of the positioning portion formed by the positioning blocks 320 at the top of each movable member 310 on the fixed plate 130 is changed, and thus the surface of the positioning portion leaves or abuts against the inner surface of the workpiece positioning hole, so as to facilitate the removal or installation of the workpiece.
According to the CNC sliding rail type internal stay fixture 10, the driving body 200 provides the lifting power for the ejector pins 220, the lifting distance of the ejector pins 220 can be accurately controlled by adjusting the stroke of the movable rod 210 at the movable end of the driving body 200 in the process of clamping a workpiece, the movable piece 310 is driven by the ejector pins 340 to be far away from the inserting channel 360 so as to open the positioning part through the pushing force of the ejector pins 220, or the movable piece 310 is driven by the spring 350 to be reset so as to be close to the inserting channel 360 so as to shrink the positioning part when the pushing force of the ejector pins 220 to the pull rod 340 is relieved, so that the pressing force of the positioning part to the workpiece is accurately controlled, the deformation or damage of the workpiece caused by overlarge stress is avoided, and the defective rate of the workpiece is reduced; the selection of the driving body 200 with the liftable movable rod 210 realizes the rapid positioning of the workpiece with the concave holes, improves the workpiece positioning efficiency, is beneficial to shortening the workpiece processing time and further improves the workpiece processing efficiency.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. CNC slide rail formula internal stay anchor clamps, a serial communication port, include:
the mounting seat is provided with a plurality of guide grooves which are radially arranged and communicated with each other, and the communication part of the guide grooves is a radial center;
the driving body is accommodated in the mounting seat and provided with a movable rod penetrating out of the top surface of the mounting seat and lifting in the vertical direction, the top of the movable rod is connected with a thimble, and the width of at least the part connected with the movable rod on the thimble is larger than that of the movable rod; and
the inner supporting jig comprises a plurality of movable pieces which are arranged on the top surface of the mounting seat in a sliding manner and correspond to the guide grooves in number, and positioning blocks are respectively arranged at the tops of the movable pieces so as to jointly form a positioning part for supporting a workpiece to be processed; the movable pieces are enclosed together to form a slot which extends from the bottom surface of the inner support jig to the top of the inner support jig and is used for penetrating the movable rod and the thimble; the bottom of each movable piece is correspondingly inserted into a guide groove, the bottom of each movable piece is respectively fixed with a pull rod, one end of each pull rod is elastically connected with the side surface of the guide groove, which is far away from the radiation center, through a spring, the other end of each pull rod is positioned at the radiation center, one end of each pull rod positioned at the radiation center is jointly enclosed into an inserting channel, and the width of the inserting channel when the spring naturally stretches is between the width of the bottom of the thimble and the width of the movable rod.
2. The CNC sliding rail type inner support clamp according to claim 1, wherein the mounting base comprises a bottom plate, two support plates oppositely arranged on the top surface of the bottom plate, and a fixing plate positioned above the bottom plate and fixedly connected with the tops of the two support plates respectively, and the bottom plate, the support plates and the fixing plate are enclosed together to form a containing space for containing the driving body.
3. The CNC slide rail type inner support clamp according to claim 2, wherein the driving body is a cylinder communicated with an external air pump or an electric cylinder electrically connected with an external power supply.
4. The CNC slide rail type inner support clamp according to claim 3, wherein the movable member is integrally formed with the positioning block.
5. The CNC slide rail type inner support clamp according to claim 3, wherein the movable member is screw-connected or snap-connected to the positioning block.
6. The CNC slide rail type inner support clamp according to claim 4 or 5, wherein the bottom of the thimble is a spherical surface, or a conical surface with a wide upper part and a narrow lower part.
7. The CNC sliding rail type inner supporting clamp according to claim 6, wherein an expansion head is arranged at one end of the pull rod, which is positioned at the radial center, one side of the expansion head is abutted against the bottom side surface of the movable piece, and an inclined surface or an arc surface which is adapted to the bottom shape of the thimble is arranged at the other side of the expansion head.
8. The CNC slide rail type inner support clamp according to claim 7, wherein the ejector pin is integrally formed with the movable rod.
9. The CNC slide rail inner support clamp of claim 8, wherein the ejector pin is threaded, screwed, snap-fit, glued or welded to the top of the movable rod.
10. The CNC slide rail type inner support jig according to claim 9, wherein the inner support jig comprises two movable members arranged opposite to each other or three or more movable members arranged at intervals in a circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321606006.4U CN220407917U (en) | 2023-06-21 | 2023-06-21 | CNC slide rail type internal stay clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321606006.4U CN220407917U (en) | 2023-06-21 | 2023-06-21 | CNC slide rail type internal stay clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220407917U true CN220407917U (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321606006.4U Active CN220407917U (en) | 2023-06-21 | 2023-06-21 | CNC slide rail type internal stay clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220407917U (en) |
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2023
- 2023-06-21 CN CN202321606006.4U patent/CN220407917U/en active Active
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