CN114290105A - Device for machining mechanical parts and using method thereof - Google Patents
Device for machining mechanical parts and using method thereof Download PDFInfo
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- CN114290105A CN114290105A CN202210145430.7A CN202210145430A CN114290105A CN 114290105 A CN114290105 A CN 114290105A CN 202210145430 A CN202210145430 A CN 202210145430A CN 114290105 A CN114290105 A CN 114290105A
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Abstract
A device for machining mechanical parts and a using method thereof belong to the field of die fixing and limiting. The top end of the sliding rod is fixedly connected with an arc-shaped block, and the concave side of the arc-shaped block faces the circle center of the bottom plate; the side surface of the sliding rod is provided with two clamping grooves which are vertically arranged, the inner sides of the clamping grooves are provided with sliding grooves I, the other end of the spring I is fixedly connected with a limiting plate, the side surface of the limiting plate is fixedly connected with a sliding block, and the sliding block is in sliding fit with the sliding grooves I; the sliding rods are in sliding fit with the corresponding arc-shaped grooves, the two limiting strips are respectively positioned in the two clamping grooves, the two limiting plates are both positioned between the two limiting strips, and the two springs I are always in a compressed state; the invention not only can fix conventional cylindrical parts, but also can fix the conical parts more stably through the hard rubber plate and the limiting rod, so that the conical parts can be processed for the second time, the waste of materials is avoided, and meanwhile, the elastic telescopic rod is propped against the side surface of the workpiece, so that the workpiece can be more stable during processing, and the vibration generated during processing the workpiece is reduced.
Description
Technical Field
The invention relates to a device for machining mechanical parts and a using method thereof, and belongs to the field of die fixing and limiting.
Background
When machining a conical part by using machining equipment, the method used at present is to fix a round rod on a lathe, then a conical surface is machined, the conical surface is machined according to the required length after machining is finished, and cutting and intercepting are carried out, but in actual operation, the phenomenon that a worker has flaws to perform secondary machining due to misoperation in conical surface machining can occur, but because the workpiece is originally used for fixing the position to be cut, the conical surface bottom end of the conical part can only be clamped by a chuck during secondary machining, if the angle of the conical workpiece is deviated, the conical workpiece can be firmly fixed on the equipment without a method, so that the workpiece cannot be subjected to secondary machining and can only be abandoned, and material waste is caused.
Disclosure of Invention
The present invention is directed to solving the above problems in the background art, and provides a machine part machining apparatus and a method of using the same.
The invention achieves the purpose, and adopts the following technical scheme:
a device for machining mechanical parts comprises a connecting rod, a connecting plate, a base and a fixing device; the base comprises a bottom plate, a placing hole is formed in the center of the bottom plate, a rubber pad is arranged at the bottom of the placing hole, two arc-shaped grooves are arranged on the upper end face of the bottom plate in a centrosymmetric mode, the distance between the two ends of each arc-shaped groove and the center of the bottom plate is unequal, two vertically-arranged limiting strips are fixedly connected to the inner wall of one side of each arc-shaped groove, the limiting strip located above the arc-shaped groove is obliquely arranged, the limiting strip located below the arc-shaped groove is horizontally arranged, and the distance between the two limiting strips is gradually reduced from one end far away from the center of the bottom plate to one end close to the center of the bottom plate;
the fixing device comprises two limiting devices, and each limiting device comprises an arc-shaped block, a sliding rod, two limiting plates, two springs I and a sliding block; the top end of the sliding rod is fixedly connected with an arc-shaped block, and the concave side of the arc-shaped block faces the circle center of the bottom plate; the side face of the sliding rod is provided with two clamping grooves which are vertically arranged, the inner sides of the clamping grooves are provided with sliding grooves I, one end of each spring I is vertically and fixedly connected into the clamping groove, the other end of each spring I is fixedly connected with a limiting plate, the side face of each limiting plate is fixedly connected with a sliding block, and the sliding block is in sliding fit with the sliding grooves I; the sliding rod is in sliding fit with the corresponding arc-shaped groove, the two limiting strips are respectively positioned in the two clamping grooves, the two limiting plates are both positioned between the two limiting strips, and the two springs I are always in a compressed state;
the bottom plate is fixedly connected to the upper end of the connecting plate, and the connecting rod is fixedly connected to the center of the bottom end of the connecting plate.
A method of using a device for machining a mechanical part, the method comprising the steps of:
the method comprises the following steps: vertically placing the part to be fixed in the placing hole;
step two: pushing the arc-shaped block to move along the arc-shaped groove, so that the hard rubber plate and the elastic telescopic rod are close to the part to be fixed;
step three: and rotating the connecting cylinder to connect the connecting cylinder to the sleeve through threads, and finally rotating the round block to enable the limiting rod to abut against the side face of the part to be fixed.
Compared with the prior art, the invention has the beneficial effects that: the invention not only can fix conventional cylindrical parts, but also can fix the conical parts more stably through the hard rubber plate and the limiting rod, so that the conical parts can be processed for the second time, the waste of materials is avoided, and meanwhile, the elastic telescopic rod is propped against the side surface of the workpiece, so that the workpiece can be more stable during processing, and the vibration generated during processing the workpiece is reduced.
Drawings
FIG. 1 is a front view of an apparatus for machining a mechanical part of the present invention;
FIG. 2 is a cross-sectional view of the base of an apparatus for machining a mechanical part according to the present invention;
FIG. 3 is a top view of the base of an apparatus for machining a mechanical part of the present invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is a front view of a fixture of the apparatus for machining a mechanical part of the present invention;
FIG. 6 is a front view of a restraining device of an apparatus for machining a mechanical part according to the present invention;
FIG. 7 is an enlarged schematic view of B of FIG. 6;
FIG. 8 is a front view of a movable assembly of an apparatus for machining a mechanical part of the present invention;
fig. 9 is a plan view of a connecting device of the apparatus for machining a mechanical part of the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1 to 9, the present embodiment describes an apparatus for machining a machine part, including a connecting rod 1, a connecting plate 2, a base 3, and a fixing device 4; the base 3 comprises a bottom plate 31, a placing hole 32 is formed in the center of the bottom plate 31, a rubber pad 36 is arranged at the bottom of the placing hole 32, two arc-shaped grooves 34 are arranged on the upper end face of the bottom plate 31 in a centrosymmetric manner, the distance between the two ends of each arc-shaped groove 34 and the center of the bottom plate 31 is unequal, two vertically arranged limiting strips 35 are fixedly connected to the inner wall of one side of each arc-shaped groove 34, the limiting strip 35 positioned above is obliquely arranged, the limiting strip 35 positioned below is horizontally arranged, and the distance between the two limiting strips 35 is gradually reduced from one end far away from the circle center of the bottom plate 31 to one end close to the circle center of the bottom plate;
the fixing device 4 comprises two limiting devices 41, wherein each limiting device 41 comprises an arc-shaped block 411, a sliding rod 415, two limiting plates 417, two springs I418 and a sliding block 419; the top end of the sliding rod 415 is fixedly connected with an arc-shaped block 411, and the concave side of the arc-shaped block 411 faces to the center of the bottom plate 31; the side surface of the sliding rod 415 is provided with two clamping grooves 416 which are vertically arranged, the inner sides of the clamping grooves 416 are provided with sliding grooves I4110, one end of each spring I418 is vertically and fixedly connected into the clamping groove 416, the other end of each spring I418 is fixedly connected with a limiting plate 417, the side surface of each limiting plate 417 is fixedly connected with a sliding block 419, and the sliding block 419 is in sliding fit with the sliding groove I4110; the sliding rod 415 is in sliding fit with the corresponding arc-shaped groove 34, the two limiting strips 35 are respectively positioned in the two clamping grooves 416, the two limiting plates 417 are respectively positioned between the two limiting strips 35, and the two springs I418 are always in a compressed state;
The second embodiment is as follows: as shown in fig. 1-4, the present embodiment is further described with respect to the first embodiment, and the distance between the two slots 416 is smaller than the minimum distance between the two position-limiting strips 35.
The third concrete implementation mode: as shown in fig. 2-4, in this embodiment, as a further description of the first embodiment, two grooves 33 are further disposed at the upper end of the bottom plate 31, each groove 33 is communicated with a corresponding arc-shaped groove 34, the arrangement directions of the grooves 33 and the arc-shaped grooves 34 are the same, and the grooves 33 are located at one side of the corresponding arc-shaped grooves 34 close to the center of the bottom plate 31;
the limiting device 41 further comprises a push rod 414, a cross rod 4111, a spring II 4112, a rotating rod 4113 and an elastic telescopic rod 4114; the push rod 414 is fixedly connected to the lower end of the arc block 411; a T-shaped sliding block is arranged on the side face of the cross rod 4111, T-shaped sliding grooves parallel to a central shaft are formed in opposite faces of the two sliding rods 415, the cross rod 4111 is in sliding fit with the T-shaped sliding grooves through the T-shaped sliding block, the cross rod 4111 is in sliding fit with the groove 33, a rotating rod 4113 is further hinged to the upper end of the cross rod 4111, the other end of the rotating rod 4113 is hinged to the fixed end of an elastic telescopic rod 4114, one end of a spring II 4112 is fixedly connected to the upper end of the cross rod 4111, and the other end of the spring II 4112 is fixedly connected to the lower end of the rotating rod 4113; the push rod 414 is located above the rotating rod 4113.
The fourth concrete implementation mode: as shown in fig. 6 and 7, this embodiment is further described with respect to the first embodiment, a cavity 413 is formed inside the arc block 411, and a plurality of sets of holes are formed on the inner circumferential surface of the arc block 411, each set of holes including two vertically arranged through holes 412; the fixation device 4 further comprises a mobile device 42, the mobile device 42 being arranged in the cavity 413.
The fifth concrete implementation mode: as shown in fig. 8, this embodiment is further described with respect to the first embodiment, and the movable device 42 includes a fixed rod 421, a shaft 422, a bidirectional elastic telescopic rod 423, two connecting rods 424, and two hard rubber plates 425; one end of the fixing rod 421 is fixedly connected in the cavity 413, and the other end of the fixing rod 421 faces the center of the arc block 411 and is fixedly connected with a shaft rod 422; the center of the bidirectional elastic telescopic rod 423 is connected to the shaft rod 422 through a bearing, two ends of the bidirectional elastic telescopic rod 423 are respectively hinged with a corresponding connecting rod 424, each connecting rod 424 is in sliding fit with a corresponding through hole 412, and the other end of each connecting rod 424 is hinged with a hard rubber plate 425.
The sixth specific implementation mode: as shown in fig. 9, in this embodiment, which is a further description of the first embodiment, the hard rubber plate 425 has an arc shape.
The seventh embodiment: as shown in fig. 5, this embodiment is further described with respect to the first embodiment, and the fixing device 4 further includes a connecting device 43.
The specific implementation mode is eight: as shown in fig. 9, this embodiment is further described with respect to the first embodiment, and the connecting device 43 includes a sleeve 431, a screw 432, a connecting cylinder 433, a round block 435, and a limiting rod 436; the sleeve 431 and the screw 432 are respectively fixedly connected to the opposite surfaces of the two arc-shaped blocks 411, threads are arranged on the outer circular surface of the sleeve 431, a circular hole is formed in the sleeve 431, and the screw 432 is in sliding fit with the circular hole; the middle of the connecting cylinder 433 is connected to the screw 432 through threads, two ends of the connecting cylinder 433 are respectively provided with a threaded hole I434 and a threaded hole II, and the threaded hole I434 is matched with threads on the outer circular surface of the sleeve 431; the round block 435 is sleeved on the screw 432 and is in sliding fit with the screw 432, external threads are arranged on the outer side of the round block 435 and are in threaded fit with the threaded hole II through the external threads, and a limiting rod 436 is fixedly connected to the outer circular surface of the round block 435.
The specific implementation method nine: as shown in fig. 1 to 9, the present embodiment describes a method of using an apparatus for machining a machine part, the method including the steps of:
the method comprises the following steps: the part to be fixed is vertically placed in the placing hole 32;
step two: pushing the arc block 411 to move along the arc slot 34, so that the hard rubber plate 425 and the elastic telescopic rod 4114 abut against the part to be fixed;
step three: the connecting cylinder 433 is rotated so that the connecting cylinder 433 is screwed onto the sleeve 431, and finally the round block 435 is rotated so that the limit lever 436 abuts against the side of the part to be fixed.
The working principle of the invention is as follows: when the device is used, the bottom of the part to be fixed is vertically placed in the placing hole 32; then, the arc-shaped block 411 is pushed, so that the arc-shaped block 411 drives the sliding rod 415 to move along the arc-shaped groove 34, the arc-shaped block 411 moves from one end, away from the center of the bottom plate 31, of the arc-shaped groove 34 to one end, close to the center of the bottom plate 31, of the arc-shaped groove 34, the distance between the arc-shaped block 411 and the part to be fixed is gradually reduced, further, the distance between the sliding rod 415, the cross rod 4111 and the part to be fixed is gradually reduced, and when the arc-shaped block 411 approaches the center of the bottom plate 31, the movable device 42 in the cavity 413 is also driven to approach the part to be fixed; when the sliding rod 415 approaches to a part to be fixed, the clamping slot 416 on the side surface of the sliding rod 415 moves along with the sliding rod 415, in the moving process, as the limiting strip 35 is in sliding fit with the limiting strip 35 and the limiting strip 35 positioned above is arranged in a downward inclined manner, the distance between the two limiting strips 35 is gradually reduced, therefore, when the sliding rod 415 moves, the distance between the two limit plates 417 gradually decreases, and the spring i 418 is compressed, because the elastic force and the stress of the two springs I418 are the same, the lengths of the two springs I418 are the same, so that the connecting part between the two springs I418 (the convex part between the two clamping grooves 416) is always positioned at the middle position of the two limiting strips 35, therefore, the connecting part between the two springs I418 moves downwards along the upper limiting strip 35, and drives the sliding rod 415 to move downwards, the sliding rod 415 drives the arc-shaped block 411 to move downwards, and the arc-shaped block 411 drives the movable device 42 to move downwards;
when the part to be fixed is a cylinder, after the movable device 42 approaches the part to be fixed and contacts the surface of the part to be fixed, the surface of the part to be fixed blocks the end of the movable device 42 with a relatively long extension amount from moving, so that the end of the movable device 42 with a relatively long extension amount drives the bidirectional elastic telescopic rod 423 to move, and further drives the other connecting rod 424 to extend outwards until the hard rubber plates 425 on the two connecting rods 424 are both contacted with the surface of the part to be fixed, and then the rotation is stopped, so that the part to be fixed is fixed;
when the surface of the part to be fixed is conical, the movable device 42 moves according to the above manner to fix the bottom end of the part to be fixed, and meanwhile, the sliding rod 415 moves downwards in the moving process to drive the movable device 42 to move downwards, so that the hard rubber plate 425 can abut against the conical surface of the part to be fixed, the friction force is increased, and a better fixing effect is achieved;
meanwhile, when the sliding rod 415 moves along the arc-shaped groove 34 to generate downward displacement, the sliding rod 415 drives the arc-shaped block 411 to move downward, and further drives the push rod 414 at the lower end of the arc-shaped block 411 to move downward, so that the distance between the push rod 414 and the cross rod 4111 is reduced, and further the push rod 414 pushes the rotating rod 4113 to move downward and compress the spring II 4112, the rotating rod 4113 pushes the elastic telescopic rod 4114 to move toward the part to be fixed, so that the movable end of the elastic telescopic rod 4114 abuts against the side face of the part to be fixed, and the elastic telescopic rod 4114 is positioned below the movable device 42, so that the part to be fixed is vertically provided with a plurality of contact points with the device, and further the vibration of the workpiece during processing is reduced, and the workpiece is more stable;
finally, because two limiting devices 41 can be close to each other when moving along the arc-shaped groove 34, the screw rod 432 can move into the sleeve 431, when the hard rubber blocks 425 on the same movable device 42 are all abutted against the surface of the part to be fixed, the connecting cylinder 433 is rotated to enable the connecting cylinder 433 to be connected onto the sleeve 431 through threads, then the position fixing columns of the screw rod 432 and the sleeve 431 are fixed, then the round block 435 is rotated, the round block 435 drives the limiting rod 436 to rotate, the limiting rod 436 is abutted against the side face of the part to be fixed, and the part to be fixed is further ensured to be more stable.
And finally, the connecting rod 1 is placed in a vice or a chuck for processing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a device is used in machine part processing which characterized in that: comprises a connecting rod (1), a connecting plate (2), a base (3) and a fixing device (4); the base (3) comprises a bottom plate (31), a placing hole (32) is formed in the center of the bottom plate (31), a rubber pad (36) is arranged at the bottom of the placing hole (32), two arc-shaped grooves (34) are arranged on the upper end face of the bottom plate (31) in a centrosymmetric mode, the distance between the two ends of each arc-shaped groove (34) and the center of the bottom plate (31) is unequal, two vertically-arranged limiting strips (35) are fixedly connected to the inner wall of one side of each arc-shaped groove (34), the limiting strips (35) located above are obliquely arranged, the limiting strips (35) located below are horizontally arranged, and the distance between the two limiting strips (35) is gradually reduced from one end far away from the circle center of the bottom plate (31) to one end close to the circle center of the bottom plate;
the fixing device (4) comprises two limiting devices (41), wherein each limiting device (41) comprises an arc-shaped block (411), a sliding rod (415), two limiting plates (417), two springs I (418) and a sliding block (419); the top end of the sliding rod (415) is fixedly connected with an arc-shaped block (411), and the concave side of the arc-shaped block (411) faces to the circle center of the bottom plate (31); two clamping grooves (416) which are vertically arranged are formed in the side face of the sliding rod (415), a sliding groove I (4110) is formed in the inner side of each clamping groove (416), one end of each spring I (418) is vertically and fixedly connected into the clamping groove (416), the other end of each spring I (418) is fixedly connected with a limiting plate (417), a sliding block (419) is fixedly connected to the side face of each limiting plate (417), and the sliding block (419) is in sliding fit with the sliding groove I (4110); the sliding rod (415) is in sliding fit with the corresponding arc-shaped groove (34), the two limiting strips (35) are respectively positioned in the two clamping grooves (416), the two limiting plates (417) are respectively positioned between the two limiting strips (35), and the two springs I (418) are always in a compressed state;
bottom plate (31) fixed connection is in the upper end of connecting plate (2), and connecting rod (1) fixed connection is in the bottom center of connecting plate (2).
2. The apparatus for machining a mechanical part according to claim 1, wherein: the distance between the two clamping grooves (416) is smaller than the minimum distance between the two limiting strips (35).
3. The apparatus for machining a mechanical part according to claim 2, wherein: the upper end of the bottom plate (31) is also provided with two grooves (33), each groove (33) is communicated with the corresponding arc-shaped groove (34), the arrangement directions of the grooves (33) and the arc-shaped grooves (34) are the same, and the grooves (33) are positioned on one side of the corresponding arc-shaped grooves (34) close to the circle center of the bottom plate (31);
the limiting device (41) further comprises a push rod (414), a cross rod (4111), a spring II (4112), a rotating rod (4113) and an elastic telescopic rod (4114); the push rod (414) is fixedly connected to the lower end of the arc-shaped block (411); the side face of the cross rod (4111) is provided with a T-shaped sliding block, opposite faces of the two sliding rods (415) are provided with T-shaped sliding grooves parallel to a central shaft, the cross rod (4111) is in sliding fit with the T-shaped sliding grooves through the T-shaped sliding blocks, the cross rod (4111) is in sliding fit with the groove (33), the upper end of the cross rod (4111) is further hinged with a rotating rod (4113), the other end of the rotating rod (4113) is hinged with a fixed end of an elastic telescopic rod (4114), one end of a spring II (4112) is fixedly connected to the upper end of the cross rod (4111), and the other end of a spring II (4112) is fixedly connected to the lower end of the rotating rod (4113); the push rod (414) is positioned above the rotating rod (4113).
4. The apparatus for machining a mechanical part according to claim 3, wherein: a cavity (413) is formed in the arc block (411), a plurality of groups of holes are formed in the inner circular surface of the arc block (411), and each group of holes comprises two through holes (412) which are vertically arranged; the fixing device (4) further comprises a moving device (42), and the moving device (42) is arranged in the cavity (413).
5. The apparatus for machining a mechanical part according to claim 4, wherein: the movable device (42) comprises a fixed rod (421), a shaft rod (422), a bidirectional elastic telescopic rod (423), two connecting rods (424) and two hard rubber plates (425); one end of the fixed rod (421) is fixedly connected in the cavity (413), and the other end of the fixed rod (421) faces the center of the arc-shaped block (411) and is fixedly connected with a shaft lever (422); the center of the bidirectional elastic telescopic rod (423) is connected to the shaft rod (422) through a bearing, two ends of the bidirectional elastic telescopic rod (423) are respectively hinged with a corresponding connecting rod (424), each connecting rod (424) is in sliding fit with a corresponding through hole (412), and the other end of each connecting rod (424) is hinged with a hard rubber plate (425).
6. The apparatus for machining a mechanical part according to claim 5, wherein: the hard rubber plate (425) is formed in an arc shape.
7. The apparatus for machining a mechanical part according to claim 6, wherein: the fixing device (4) further comprises a connecting device (43).
8. The apparatus for machining a mechanical part according to claim 7, wherein: the connecting device (43) comprises a sleeve (431), a screw (432), a connecting cylinder (433), a round block (435) and a limiting rod (436); the sleeve (431) and the screw rod (432) are respectively and fixedly connected to opposite surfaces of the two arc-shaped blocks (411), threads are arranged on the outer circle surface of the sleeve (431), a circular hole is formed in the sleeve (431), and the screw rod (432) is in sliding fit with the circular hole; the middle position of the connecting cylinder (433) is connected to the screw rod (432) through threads, two ends of the connecting cylinder (433) are respectively provided with a threaded hole I (434) and a threaded hole II, and the threaded hole I (434) is matched with threads on the outer circular surface of the sleeve (431) in a threaded manner; the round block (435) is sleeved on the screw rod (432) and is in sliding fit with the screw rod, external threads are arranged on the outer side of the round block (435), the external threads are in threaded fit with the threaded hole II, and a limiting rod (436) is fixedly connected to the outer circular surface of the round block (435).
9. The use method of the device for machining a mechanical part according to claim 8, characterized in that: the using method comprises the following steps:
the method comprises the following steps: vertically placing the part to be fixed in the placing hole (32);
step two: pushing the arc-shaped block (411) to move along the arc-shaped groove (34) so that the hard rubber plate (425) and the elastic telescopic rod (4114) abut against a part to be fixed;
step three: the connecting cylinder (433) is rotated to connect the connecting cylinder (433) to the sleeve (431) by screw thread, and finally the round block (435) is rotated to make the limiting rod (436) abut against the side surface of the part to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210145430.7A CN114290105B (en) | 2022-02-17 | 2022-02-17 | Device for machining mechanical parts and using method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210145430.7A CN114290105B (en) | 2022-02-17 | 2022-02-17 | Device for machining mechanical parts and using method thereof |
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| CN114290105A true CN114290105A (en) | 2022-04-08 |
| CN114290105B CN114290105B (en) | 2022-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116886182A (en) * | 2023-09-06 | 2023-10-13 | 山东智光通信科技有限公司 | Strong magnetic field transmission performance detection equipment of optic fibre |
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| CN113732334A (en) * | 2021-09-01 | 2021-12-03 | 泰州市万鑫泵阀配件有限公司 | Chuck type clamp for fixing tool |
| CN113681484A (en) * | 2021-09-07 | 2021-11-23 | 齐齐哈尔大学 | Multifunctional flexible positioning fixture and positioning method |
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| CN116886182A (en) * | 2023-09-06 | 2023-10-13 | 山东智光通信科技有限公司 | Strong magnetic field transmission performance detection equipment of optic fibre |
| CN116886182B (en) * | 2023-09-06 | 2023-12-08 | 山东智光通信科技有限公司 | Strong magnetic field transmission performance detection equipment of optic fibre |
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