CN209919698U - Material positioning mechanism and material testing equipment with same - Google Patents
Material positioning mechanism and material testing equipment with same Download PDFInfo
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- CN209919698U CN209919698U CN201920273682.1U CN201920273682U CN209919698U CN 209919698 U CN209919698 U CN 209919698U CN 201920273682 U CN201920273682 U CN 201920273682U CN 209919698 U CN209919698 U CN 209919698U
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Abstract
The utility model discloses a material positioning mechanism and material testing equipment with the same, the material positioning mechanism comprises a base, a bracket, a supporting component and a pneumatic claw component, the pneumatic claw component comprises a driving piece and a first clamping jaw and a second clamping jaw which are respectively connected with the driving piece in a transmission way, and the driving piece can drive the first clamping jaw and the second clamping jaw to move in opposite directions or in opposite directions; the supporting component comprises a supporting plate, a supporting block and a telescopic cylinder, the supporting plate is arranged at the top of the support and located between the first clamping jaw and the second clamping jaw, the top surface of the supporting plate is provided with a through hole and is provided with a supporting structure, and a cylinder rod of the telescopic cylinder is connected with the supporting block so as to drive the supporting block to enter or leave the top space of the supporting plate through the through hole. The material is positioned by matching the supporting block and the supporting plate, and the posture of the material is corrected by the first clamping jaw and the second clamping jaw, so that the accurate positioning in the material testing process is realized, and the testing precision is further ensured.
Description
Technical Field
The utility model relates to an electronic component tests technical field, especially relates to a material positioning mechanism. The utility model discloses still relate to a material test equipment.
Background
The material is used as an energy conversion device for completing the conversion of electric signals and acoustic signals, thereby being widely applied to the life of people. With the continuous progress of science and technology, electronic products are becoming more and more integrated and miniaturized, such as mobile phones or tablet computers, and in order to satisfy the speaker demand of the electronic products, micro materials are widely used.
Miniature material sends sound to the external world through sound outlet, in order to satisfy the heat dissipation demand of miniature material, is equipped with leakage opening at the rear cavity of miniature material, and miniature material during operation leakage opening also can send small sound. In order to ensure the reliability of the product, besides the sound outlet and the leakage port, other positions of the micro material (a gluing position, an ultrasonic welding line or an internal injection molding steel sheet) need to be ensured to have good tightness, so that the micro material needs to be subjected to an air tightness test before leaving a factory, and the air tightness of the micro material meets the requirement.
When the material is tested for air tightness, the material is placed on the positioning mechanism of the testing equipment by the feeding mechanism, the material is positioned by the positioning mechanism, and the testing mechanism is contacted with the material, so that the air tightness test for the material is completed.
Among the prior art, the last cover shape structure of having seted up of positioning mechanism (promptly with the groove structure of product appearance looks adaptation), feed mechanism places the material and covers in the shape structure, the structure that the utilization covered the shape structure realizes the location to the material, however, feed mechanism is when carrying out the material loading, the material is placed and is covered in the shape structure, the material can cover the shape structure relatively and appear the displacement, can't effectively guarantee the gesture of material in covering the shape structure, the precision that leads to the gas tightness test can't effectively be guaranteed, and simultaneously, owing to the structure complicacy that covers the shape structure, lead to the testing cost increase.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to solve at least one of the above problems, and the object is achieved by the following technical solutions.
The utility model provides a material positioning mechanism, be in including base and setting support on the base, positioning mechanism still includes:
the pneumatic claw assembly comprises a driving piece, a first clamping jaw and a second clamping jaw, wherein the first clamping jaw and the second clamping jaw are respectively in transmission connection with the driving piece;
the supporting assembly comprises a supporting plate, a supporting block and a telescopic cylinder, the supporting plate is arranged at the top of the support and is positioned between the first clamping jaw and the second clamping jaw, a through hole is formed in the top surface of the supporting plate, a supporting structure is arranged on the top surface of the supporting plate, and a cylinder rod of the telescopic cylinder is connected with the supporting block so as to drive the supporting block to enter or leave the top space of the supporting plate through the through hole.
Optionally, a receiving groove is formed on the support structure, and the shape of the receiving groove is matched with the outer contour of the material.
Optionally, the supporting block is a rectangular block, the through hole is a rectangular hole, and the size of the rectangular hole is larger than that of the rectangular block.
Optionally, the supporting block is a circular block, the through hole is a circular hole, and the diameter of the circular hole is larger than that of the circular block.
Optionally, the top surface of the supporting block is provided with a positioning pin, and the positioning pin is matched with a positioning hole formed in the material.
Optionally, one end of the positioning pin, which is far away from the supporting plate, is of a conical structure.
Optionally, the number of the positioning pins is multiple, the positioning pins are arranged on the top surface of the supporting plate at intervals, and the number of the positioning holes is consistent with the number of the positioning pins.
Optionally, the telescopic cylinder is an air cylinder, a cylinder body of the air cylinder is fixedly connected with the top surface of the base, and a cylinder rod of the air cylinder is fixedly connected with the bottom surface of the supporting block.
Optionally, the first clamping jaw and the second clamping jaw are both L-shaped structures, the first clamping jaw and the second clamping jaw form a rectangular limiting space, and an opening of the rectangular limiting space faces to the placement direction of the material.
The utility model also provides a material test equipment has feed mechanism and accredited testing organization, material test equipment still has positioning mechanism, positioning mechanism be as above material positioning mechanism, feed mechanism be used for with the material place in positioning mechanism, accredited testing organization is used for having been the material of positioning mechanism location tests first clamping jaw second clamping jaw.
The utility model provides a material positioning mechanism, including the base and set up the support on the base, positioning mechanism still includes supporting component and gas claw subassembly, the gas claw subassembly includes driving piece and the first clamping jaw and the second clamping jaw that are connected with the driving piece transmission respectively, the driving piece can drive first clamping jaw and second clamping jaw and move in opposite directions or apart from each other; the supporting component comprises a supporting plate, a supporting block and a telescopic cylinder, the supporting plate is arranged at the top of the support and located between the first clamping jaw and the second clamping jaw, the top surface of the supporting plate is provided with a through hole and is provided with a supporting structure, and a cylinder rod of the telescopic cylinder is connected with the supporting block so as to drive the supporting block to enter or leave the top space of the supporting plate through the through hole. Specifically, the base is connected with the test equipment, the support sets up the top surface at the base, the backup pad sets up the top surface at the support, driving piece and leg joint, first clamping jaw and second clamping jaw are put in the both sides of backup pad respectively, and first clamping jaw and second clamping jaw can be in the top of backup pad or move from each other under the driving at the driving, the cylinder body rigid coupling of telescoping cylinder is at the upper surface of base, the jar pole and the supporting shoe of telescoping cylinder are connected, the jar pole of telescoping cylinder can drive the supporting shoe through set up the through-hole on the supporting shoe and get into or leave the headspace of backup pad.
When a material is subjected to air tightness test, a cylinder rod of the telescopic cylinder is in an extending state, at the moment, the supporting block is positioned in the top space of the supporting plate, the material is placed on the supporting plate by the feeding structure, at the moment, the material is respectively contacted with the top surface of the supporting plate and the top surface of the supporting block, the driving piece drives the first clamping jaw and the second clamping jaw to move in opposite directions, the first clamping jaw and the second clamping jaw are respectively abutted against the side wall of the material, the posture of the material on the supporting plate is adjusted to meet the test requirement, after an air tightness cover plate (not shown in the figure) of the test equipment is pressed down on the upper, thereby driving the supporting block to separate from the surface of the material and leave the top space of the supporting plate, the driving piece drives the first clamping jaw and the second clamping jaw to move away from each other, therefore, the first clamping jaw and the second clamping jaw are separated from the side wall of the material respectively, and the air tightness test is carried out on the material through the air tightness cover plate.
Above-mentioned structure realizes the location to the material after the material loading through the cooperation of supporting shoe and backup pad, realizes carrying out the correction of gesture to the material after the material loading through first clamping jaw and second clamping jaw to keep the gesture of material to the gas tightness apron pushes down the material, thereby to the accurate positioning in the material testing process, and then guarantee the precision of test.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural view of a material positioning mechanism provided by the present invention;
fig. 2 is a schematic structural view of another view angle of the material positioning mechanism provided by the present invention;
FIG. 3 is a cross-sectional view of the material positioning mechanism A-A shown in FIG. 2;
FIG. 4 is a cross-sectional view of the material positioning mechanism B-B shown in FIG. 2;
FIG. 5 is a schematic structural view of the support assembly shown in FIG. 1 (support plate not shown);
FIG. 6 is a schematic structural view of the gas claw assembly shown in FIG. 1;
fig. 7 is a schematic structural view of the support plate shown in fig. 1.
Reference numerals
1 is a base;
2 is a bracket;
3, a supporting component, 31, a supporting plate, 311, 312, 3121, a receiving groove, 32, a positioning pin, 33, a driving piece, and 34, a through hole, a supporting structure, a supporting block;
4 is the gas claw component, 41 is the first clamping jaw, 42 is the second clamping jaw, and 43 is the telescoping cylinder.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In a specific embodiment, please refer to fig. 1 to 4, the utility model provides a material positioning mechanism, which includes a base 1 and a bracket 2 disposed on the base 1, the positioning mechanism further includes a supporting component 3 and a gas claw component 4, the gas claw component 4 includes a driving component 33 and a first clamping jaw 41 and a second clamping jaw 42 respectively connected with the driving component 33 in a transmission manner, the driving component 33 can drive the first clamping jaw 41 and the second clamping jaw 42 to move towards or away from each other; the supporting assembly 3 comprises a supporting plate 31, a supporting block 34 and a telescopic cylinder 43, the supporting plate 31 is arranged at the top of the bracket 2 and is located between the first clamping jaw 41 and the second clamping jaw 42, a through hole 311 is opened on the top surface of the supporting plate 31 and is provided with a supporting structure 312, and a cylinder rod of the telescopic cylinder 43 is connected with the supporting block 34 so as to drive the supporting block 34 to enter or leave the top space of the supporting plate 31 through the through hole 311. Specifically, the base 1 is connected with the testing equipment, the support 2 is arranged on the top surface of the base 1, the support plate 31 is arranged on the top surface of the support 2, the driving part 33 is connected with the support 2, the first clamping jaw 41 and the second clamping jaw 42 are respectively arranged on two sides of the support plate 31, the first clamping jaw 41 and the second clamping jaw 42 can move towards or away from each other above the support plate 31 under the driving of the driving part 33, the cylinder body of the telescopic cylinder 43 is fixedly connected on the upper surface of the base 1, the cylinder rod of the telescopic cylinder 43 is connected with the support block 34, and the cylinder rod of the telescopic cylinder 43 can drive the support block 34 to enter or leave the top space of the support plate 31 through the through hole 311 arranged on the support block 34.
When a material is subjected to an air tightness test, a cylinder rod of the telescopic cylinder 43 is in an extending state, at the moment, the supporting block 34 is located in a top space of the supporting plate 31, the material is placed on the supporting plate 31 by the feeding structure, at the moment, the material is respectively contacted with the top surface of the supporting plate 31 and the top surface of the supporting block 34, the driving piece 33 drives the first clamping jaw 41 and the second clamping jaw 42 to move oppositely, the first clamping jaw 41 and the second clamping jaw 42 are respectively abutted against the side wall of the material, the posture of the material on the supporting plate 31 is adjusted to meet the test requirement, after an air tightness cover plate (not shown in the figure) of the test equipment is pressed down on the upper surface of the material, the cylinder rod of the telescopic cylinder 43 retracts, so that the supporting block 34 is driven to be separated from the surface of the material and leave the top space of the supporting plate 31, the driving piece 33 further drives the first clamping jaw 41, and the air tightness test is carried out on the material by the air tightness cover plate.
The above structure realizes the positioning of the material after being loaded through the matching of the supporting block 34 and the supporting plate 31, realizes the correction of the posture of the material after being loaded through the first clamping jaw 41 and the second clamping jaw 42, and keeps the posture of the material to the air tightness cover plate to press the material, thereby accurately positioning the material in the testing process and further ensuring the testing precision.
It should be noted that the driving member 33 is a pneumatic structure, and the first jaw and the second jaw move in the opposite direction or away from each other through the pneumatic structure, so that the pneumatic structure can react quickly and effectively improve the speed of material posture adjustment. Simultaneously, the position setting that is close to the material box with positioning mechanism's material loading end can make the feed structure carry out direct feeding through this structure, has reduced the rotation action of feed mechanism material loading in-process to avoid because the condition that the feed structure rotation accuracy deviation leads to the material loading precision to worsen, and shortened the time of material loading, improved the efficiency of test. In addition, the feeding mechanism is generally a vacuum chuck, the feeding mechanism is simple in structure and high in feeding speed, and the feeding speed can be effectively guaranteed, so that the smooth performance of the test process is guaranteed.
It is further understood that, referring to fig. 7, the supporting structure 312 is formed with a receiving groove 3121, and the shape of the receiving groove 3121 is adapted to the outer contour of the material. Holding tank 3121 sets up the top surface at bearing structure 312, after the material is by the feed mechanism material loading, the surface of material supports and leans on bearing structure 312, and the material enters into holding tank 3121 with the structure that holding tank 3121 corresponds in, the top surface through bearing structure 312 and holding tank 3121 realize the effective support to the material on the one hand, on the other hand can utilize the structural shape realization of holding tank 3121 to spacing to the material, thereby the position after the material loading has been guaranteed, make the precision of test obtain guaranteeing.
Further, referring to fig. 5 and 7, the supporting block 34 is a rectangular block, and the through hole 311 is a rectangular hole having a size larger than that of the rectangular block. Before the material is loaded, the cylinder rod of the telescopic cylinder 43 is in an extending state, at this time, the supporting block 34 is driven by the cylinder rod to be in the top space of the supporting plate 31, that is, the supporting block 34 protrudes out of the upper surface of the supporting plate 31, the material is loaded and then abuts against the upper surface of the supporting plate 31 and the upper surface of the supporting block 34, when the airtight cover plate is pressed on the material, the cylinder rod of the telescopic cylinder 43 retracts, the supporting block 34 is separated from the surface of the material, and the cylinder rod of the telescopic cylinder 43 drives the supporting block 34 to leave the top space of the supporting block 34 through the rectangular hole. On the one hand, the material can be effectively supported and positioned after being loaded, the positioning precision of the material is guaranteed, on the other hand, the material is effectively separated from the material in the test process, and therefore the supporting block 34 is prevented from influencing the test precision in the test process.
It will be appreciated that the size of the rectangular aperture is slightly larger than the size of the rectangular block, thereby ensuring that the support block 34 can effectively enter and exit the through hole 311.
It should be noted that the supporting block 34 has a stepped structure, wherein the small end is used for supporting and positioning the material, the large end is connected with the cylinder rod of the telescopic cylinder 43, the through hole 311 has a structural stepped structure matched with the supporting block 34, when the cylinder rod of the telescopic cylinder 43 is in an extended state, the large end of the supporting block 34 abuts against the stepped position of the through hole 311, the small end of the supporting block 34 enters the top space of the supporting block 34 at this time, and after the cylinder rod of the telescopic cylinder 43 retracts, the small end of the supporting block 34 leaves the top space of the supporting block 34 through the through hole 311, and the position of the supporting block 34 can be positioned through the above structure, so that the extended height of the supporting block 34 is controlled, and the requirement of the material testing process is effectively met.
Furthermore, the supporting block 34 can also be a circular block, and the through hole 311 is a circular hole matched with the supporting block 34, and the diameter of the circular hole is larger than that of the circular block.
Further, with continued reference to fig. 7, the top surface of the supporting block 34 is provided with a positioning pin 32, and the positioning pin 32 is adapted to a positioning hole provided on the material. The material is provided with the positioning hole, the positioning hole corresponds to the positioning pin 32, when the material is fed by the feeding structure, the positioning hole is aligned to the positioning pin 32, and when the material is discharged, the positioning hole is sleeved outside the positioning pin 32 and passes through the positioning pin 32, so that the material is effectively positioned after being fed, and the testing precision of the material is ensured.
It should be understood that the diameter of locating pin 32 is slightly less than the diameter of locating hole, and when the locating hole suit was in the outside of locating pin 32, the locating hole can remove relative to locating pin 32, and at this moment, rethread gas claw subassembly 4 was to the correction of material gesture to the positioning accuracy of material has been guaranteed. This structure can reduce the stroke of gas claw subassembly 4, finely tunes the material through gas claw subassembly 4 promptly to the time of location has been shortened, and then has improved the efficiency of test.
Further, with continued reference to fig. 7, the end of the positioning pin 32 away from the supporting plate 31 is tapered. The locating hole of the material of being convenient for of this structure can effectively suit in the outside of locating pin 32 fast to guaranteed that the material can effective material loading, and then shortened the time of material loading, makeed the efficiency of test obtain improving.
Further, the number of the positioning pins 32 is plural, the positioning pins 32 are arranged on the top surface of the support plate 31 at intervals, the number of the positioning holes is the same as the number of the positioning pins 32, and the positions of the positioning pins 32 correspond to the positions of the positioning holes one to one. Through setting up a plurality of locating pins 32, can realize carrying out the multiple spot location to the material to effectively improve the positioning accuracy of material, and then guaranteed the measuring accuracy of material.
Further, the telescopic cylinder 43 is a cylinder, a cylinder body of the cylinder is fixedly connected with the top surface of the base 1, and a cylinder rod of the cylinder is fixedly connected with the bottom surface of the supporting block 34. The cylinder has the advantages of simple structure and high reaction speed, and can effectively improve the positioning speed of materials, thereby improving the testing efficiency.
It should be noted that the telescopic cylinder 43 may also be a cylinder.
It is to be specifically understood that, referring to fig. 1 and 6, the first jaw 41 has a first L-shaped configuration and the second jaw 42 has a second L-shaped configuration. When the posture of the material is corrected, the first L-shaped structure of the first clamping jaw 41 and the second L-shaped structure of the second clamping jaw 42 are respectively abutted against the outer side wall of the material, and the material is effectively corrected and positioned through the structures of the first clamping jaw 41 and the second clamping jaw 42, so that the positioning accuracy of the material is ensured, and further the positioning accuracy of the material is ensured.
Specifically, please continue to refer to fig. 1 and fig. 6, the first L-shaped structure and the second L-shaped structure form a rectangular limiting space, and an opening of the rectangular limiting space faces the placing direction of the material. One lateral wall of first L type structure and one lateral wall parallel and level of second L type, another lateral wall of first L type structure and another lateral wall of second L type structure are parallel to the material box sets up the outside at two parallel lateral walls, when carrying out the material loading, feed mechanism carries out the material loading between another lateral wall of first L type structure and another lateral wall of second L type structure, thereby the material loading action of feed mechanism has been simplified, make the material loading time shorten, and then improved the efficiency of test.
When the material positioning mechanism works, the cylinder rod of the telescopic cylinder 43 is in an extending state, the supporting block 34 is positioned in the top space of the supporting plate 31 at the moment, the material is taken out from the material box positioned on the side of the positioning mechanism by the feeding mechanism to carry out feeding operation, the positioning hole on the material is aligned with the positioning pin 32 on the supporting plate 31 by the feeding mechanism in the feeding process, the material is placed on the supporting plate 31 by the feeding mechanism, the positioning hole is sleeved outside the positioning pin 32, after the material feeding is finished, the material is respectively contacted with the top surface of the supporting plate 31 and the top surface of the supporting block 34, the first clamping jaw 41 and the second clamping jaw 42 move oppositely and respectively abut against the outer side wall of the material, the position of the material is adjusted by the structure between the first clamping jaw 41 and the second clamping jaw 42, the air tightness cover plate of the testing mechanism abuts against the top surface of the material, and, the supporting block 34 is separated from the outer surface of the material, the first clamping jaw 41 and the second clamping jaw 42 move away from each other and are respectively separated from the side wall of the material, and the air tightness test is carried out on the material by the air tightness cover plate.
The utility model provides a material test equipment has feed mechanism, accredited testing organization and positioning mechanism, positioning mechanism is as above material positioning mechanism, feed mechanism is used for placing the material in positioning mechanism, accredited testing organization is used for testing the material that has been fixed a position at positioning mechanism, other parts of this material test equipment please refer to prior art, no longer describe herein this application repeatedly.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a material positioning mechanism, includes the base and sets up support on the base, its characterized in that, positioning mechanism still includes:
the pneumatic claw assembly comprises a driving piece, a first clamping jaw and a second clamping jaw, wherein the first clamping jaw and the second clamping jaw are respectively in transmission connection with the driving piece;
the supporting assembly comprises a supporting plate, a supporting block and a telescopic cylinder, the supporting plate is arranged at the top of the support and is positioned between the first clamping jaw and the second clamping jaw, a through hole is formed in the top surface of the supporting plate, a supporting structure is arranged on the top surface of the supporting plate, and a cylinder rod of the telescopic cylinder is connected with the supporting block so as to drive the supporting block to enter or leave the top space of the supporting plate through the through hole.
2. The material positioning mechanism of claim 1, wherein the support structure has a receiving groove formed therein, the receiving groove having a shape that conforms to an outer contour of the material.
3. The material positioning mechanism as claimed in claim 1, wherein the support block is a rectangular block, and the through hole is a rectangular hole having a size larger than that of the rectangular block.
4. The material positioning mechanism of claim 1, wherein the support block is a circular block, the through hole is a circular hole, and the diameter of the circular hole is larger than the diameter of the circular block.
5. The material positioning mechanism according to claim 1, wherein the top surface of the support block is provided with a positioning pin, and the positioning pin is matched with a positioning hole formed in the material.
6. The material positioning mechanism of claim 5, wherein an end of the positioning pin remote from the support plate is tapered.
7. The material positioning mechanism according to claim 6, wherein the number of the positioning pins is plural, the positioning pins are arranged on the top surface of the supporting plate at intervals, and the number of the positioning holes is the same as the number of the positioning pins.
8. The material positioning mechanism as claimed in claim 1, wherein the telescopic cylinder is a cylinder, a cylinder body of the cylinder is fixedly connected with the top surface of the base, and a cylinder rod of the cylinder is fixedly connected with the bottom surface of the supporting block.
9. The material positioning mechanism according to claim 1, wherein the first clamping jaw and the second clamping jaw are both L-shaped structures, the first clamping jaw and the second clamping jaw form a rectangular limiting space, and an opening of the rectangular limiting space faces to a placement direction of the material.
10. A material testing device, which has a feeding mechanism and a testing mechanism, and is characterized in that the material testing device also has a positioning mechanism, the positioning mechanism is the material positioning mechanism according to any one of claims 1-9, the feeding mechanism is used for placing the material on the positioning mechanism, and the testing mechanism is used for testing the material positioned by the positioning mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273682.1U CN209919698U (en) | 2019-03-04 | 2019-03-04 | Material positioning mechanism and material testing equipment with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273682.1U CN209919698U (en) | 2019-03-04 | 2019-03-04 | Material positioning mechanism and material testing equipment with same |
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| Publication Number | Publication Date |
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| CN209919698U true CN209919698U (en) | 2020-01-10 |
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| CN201920273682.1U Active CN209919698U (en) | 2019-03-04 | 2019-03-04 | Material positioning mechanism and material testing equipment with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388042A (en) * | 2021-01-18 | 2021-02-23 | 宁波昌扬机械工业有限公司 | High-precision workpiece positioning mechanism |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388042A (en) * | 2021-01-18 | 2021-02-23 | 宁波昌扬机械工业有限公司 | High-precision workpiece positioning mechanism |
| CN112388042B (en) * | 2021-01-18 | 2021-04-23 | 宁波昌扬机械工业有限公司 | High-precision workpiece positioning mechanism |
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