CN108344341B - Positioning fine-tuning device for hole position measurement - Google Patents
Positioning fine-tuning device for hole position measurement Download PDFInfo
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- CN108344341B CN108344341B CN201710058454.8A CN201710058454A CN108344341B CN 108344341 B CN108344341 B CN 108344341B CN 201710058454 A CN201710058454 A CN 201710058454A CN 108344341 B CN108344341 B CN 108344341B
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- 238000005259 measurement Methods 0.000 title claims abstract description 43
- 210000000078 claw Anatomy 0.000 claims abstract description 92
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims 3
- 230000037431 insertion Effects 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 12
- 238000012545 processing Methods 0.000 abstract description 11
- 230000008569 process Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 13
- 230000006978 adaptation Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a positioning fine-tuning device for hole position measurement, which is arranged on a hole position measurement tool bottom plate, and comprises a base, a fixed frame and a locking cover plate which are sequentially arranged on the hole position measurement tool bottom plate from bottom to top, wherein a positioning mechanism is arranged in the fixed frame, the positioning mechanism penetrates through the locking cover plate along the vertical direction, a pair of fine-tuning claw adjusting mechanisms which are mutually perpendicular and are respectively in transmission connection with the positioning mechanism are arranged on the fixed frame, and the positions of the positioning mechanism are respectively adjusted in the X-axis direction and the Y-axis direction by the two fine-tuning claw adjusting mechanisms. Compared with the prior art, the positioning fine adjustment can be finished by one-time adjustment on the three-coordinate measuring instrument, so that the repeated change of the number of the gaskets and the repeated processing of the thickness of the gaskets in the manner of increasing and decreasing the fine adjustment of the gaskets are avoided, the processing process of the hole position degree measuring tool is simplified, the processing efficiency and the processing precision are improved, the universality is good, the operation is easy, and the production cost and the labor cost are low.
Description
Technical Field
The invention belongs to the technical field of sheet metal part detection, and relates to a positioning fine-tuning device for hole position measurement.
Background
Sheet metal is a comprehensive cold working process for metal sheets (usually below 6 mm), and comprises shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming (such as automobile bodies) and the like, and the remarkable characteristic is that the thickness of the same part is consistent. The product processed by the sheet metal process is called a sheet metal part. The sheet metal part is often provided with a plurality of holes, and the hole position degree is measured by adopting measuring equipment such as a three-coordinate system, a projector, an imager and the like, and the measuring precision is high, and the measured data can be directly read out. Therefore, in actual production, hole position measurement tools are often adopted to finish measurement of all hole positions through one-time clamping of products, and whether the holes are qualified or not is judged.
When the existing hole position measurement tool is processed and manufactured, the positions of all measurement points are difficult to process accurately at one time due to the influence of manufacturing errors, so that the positions of the measurement points are mostly finely adjusted by adopting a method of increasing and decreasing gaskets to compensate the manufacturing errors, namely, the measurement tool is placed on an instrument for detection after the preliminary manufacturing is finished, the measurement tool is taken down for reprocessing adjustment according to the manufacturing errors reflected by the detection results, and then the measurement tool is placed on the instrument for detection after adjustment, and the operation is repeated for multiple times until the positions of all the measurement points on the measurement tool meet the requirements. But the processing is inconvenient when the hole position degree measuring tool is manufactured by the method, the measuring tool is required to be repeatedly processed and adjusted for many times, the processing efficiency is low, the capability and experience of operators are high, the measuring tool is special, the hole position degree measuring tool of one product cannot be used for measuring other products, and the detection cost of the product is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the positioning fine adjustment device for hole position measurement, which is easy to process and has good universality.
The aim of the invention can be achieved by the following technical scheme:
A location micromatic setting for hole position degree measurement, the device setting is on hole position degree measurement frock bottom plate, the device include from bottom to top set gradually base, fixed frame, the locking apron on hole position degree measurement frock bottom plate, fixed frame in be equipped with positioning mechanism, this positioning mechanism runs through the locking apron along vertical direction, fixed frame on be equipped with a pair of mutually perpendicular and respectively with positioning mechanism transmission connection's fine setting claw adjustment mechanism, two fine setting claw adjustment mechanism adjust positioning mechanism's position respectively in X axis direction, Y axis direction. The base, the fixed frame and the locking cover plate are sequentially and fixedly connected together through locking screws.
The hole position degree measurement tool bottom plate on set up a plurality of mounting holes, the base include with the spliced block of mounting hole looks adaptation, set up the fixed plate on the spliced block and set up on the fixed plate and with the base boss of the inboard looks adaptation of fixed frame, the base insert through the spliced block and establish on hole position degree measurement tool bottom plate, the fixed frame pass through the base boss card and establish on the fixed plate. The inside of fixed frame is hollow structure, and the base boss card is on the medial surface of fixed frame, fixes and spacing to fixed frame. According to the number and position distribution of the holes to be measured on the sheet metal part, a corresponding number of positioning fine adjustment devices are arranged, each positioning fine adjustment device corresponds to a positioning reference hole of one hole to be measured, the positions of the positioning mechanisms in each positioning fine adjustment device are respectively adjusted, and the positions of all the positioning mechanisms can meet the position measurement requirements of the holes of the sheet metal part.
As the preferable technical scheme, the mounting hole is a square mounting hole, the plug-in block is a square plug-in block matched with the square mounting hole, and the square plug-in block is inserted in the square mounting hole so as to fix the positioning fine-tuning device on the hole position measurement tool bottom plate.
As the preferable technical scheme, the fixed plate is a square fixed plate, four corners of the square fixed plate are respectively provided with fixed plate screw holes, and the fixed frame and the locking cover plate are respectively provided with fixed frame screw holes and locking cover plate screw holes which are matched with the fixed plate screw holes. The locking screw sequentially penetrates through the locking cover plate screw hole, the fixing frame screw hole and the fixing plate screw hole, and the locking cover plate, the fixing frame and the base are sequentially and fixedly connected together.
The positioning mechanism comprises a positioning seat arranged on the base in a sliding manner along the horizontal direction, a positioning column arranged on the positioning seat and a positioning pin arranged at the top of the positioning column, and the positioning column penetrates through the locking cover plate along the vertical direction. The locating column passes the locking apron, makes the locating pin expose the locking apron outward, and the locating pin of being convenient for is fixed a position and is detected the hole on the sheet metal part. The positioning seat is arranged on the base boss in a sliding way.
The positioning seat is provided with a positioning hole, and the bottom of the positioning column is inserted into the positioning hole. So as to fixedly connect the positioning column and the positioning seat together.
The fine adjustment claw adjusting mechanism comprises fine adjustment claw components and springs, wherein the fine adjustment claw components and the springs are arranged on the fixed frame and are respectively located on two sides of the positioning seat, the fine adjustment claw components are in transmission connection with one side of the positioning seat, and the springs are in elastic connection with the other side of the positioning seat. The fine adjustment claw assembly is adjusted, so that the positioning seat moves in the horizontal plane, the spring is always positioned between the positioning seat and the fixed frame and in a compressed state, the side face of the positioning seat and the fine adjustment claw assembly are tightly pressed together, the two sides of the positioning seat are guaranteed to be respectively connected with the fine adjustment claw assembly and the spring all the time, the spring can play a role in eliminating gaps, the position stability of the positioning seat is guaranteed, and the resetting of the positioning seat can be realized. The two fine adjustment claw adjusting mechanisms are mutually perpendicular and respectively conduct fine adjustment on the positioning seat in the X-axis direction and the Y-axis direction.
Two adjacent side surfaces of the positioning seat are in transmission connection with the fine adjustment claw assembly, and the other two side surfaces are in elastic connection with the springs.
The fine tuning claw assembly comprises a first fine tuning claw and a second fine tuning claw which are symmetrically arranged on the inner side of the fixed frame and respectively connected with the side face of the positioning seat in a transmission mode, a fine tuning guide jacking block respectively connected with the inner ends of the first fine tuning claw and the second fine tuning claw in a transmission mode, and an adjusting screw connected with the fine tuning guide jacking block in a transmission mode. And the adjusting screw is screwed, the adjusting screw drives the fine adjustment guide jacking block to move towards the inside of the fixed frame, and the fine adjustment guide jacking block simultaneously drives the first fine adjustment claw and the second fine adjustment claw to rotate, so that the positioning seat moves towards one side of the spring. The fine adjustment claw assembly converts the rotation stroke of the adjustment screw into the linear displacement of the fine adjustment guide jacking block, further converts the linear displacement into the micro linear displacement of the positioning seat through the rotation of the first fine adjustment claw and the second fine adjustment claw, eliminates the gap between the side surface of the positioning seat and the inner side of the fixed frame through the elastic expansion of the spring, and the adjustment process is continuous linear adjustment, and the adjustment precision can reach 0.01mm. The position of the positioning seat can be adjusted through the fine adjustment claw adjusting mechanism on the three-coordinate measuring instrument, and the positioning of the positioning seat can be completed only by one-time adjustment, so that the repeated change of the number of gaskets and the repeated processing of the thickness of the gaskets in the gasket fine adjustment mode are avoided, the processing process of the hole position measurement tool is simplified, and the processing efficiency is improved.
As a preferable technical scheme, the adjusting screw is an inner hexagonal adjusting screw, the outer end face of the inner hexagonal adjusting screw is an inner hexagonal face, and the inner end face is a plane.
The fixed frame on set up respectively with the adjustment screw hole of adjusting screw looks adaptation, with the fine setting direction kicking block spout of fine setting direction kicking block looks adaptation and with the fine setting claw installation die cavity of first fine setting claw and second fine setting claw looks adaptation respectively, adjustment screw hole, fine setting direction kicking block spout and fine setting claw installation die cavity be linked together in proper order. The adjusting screw is arranged in the adjusting screw hole along the horizontal direction, the fine adjustment guide jacking block is arranged in the fine adjustment guide jacking block sliding groove in a sliding mode, and the first fine adjustment claw and the second fine adjustment claw are arranged in the fine adjustment claw mounting cavity.
The fixed frame on still set up the spring mounting groove with spring looks adaptation, the one end setting of spring in the spring mounting groove, the other end and positioning seat elastic connection.
The first fine tuning claw is provided with a first cambered surface matched with the fine tuning claw mounting cavity, a second cambered surface matched with the side surface of the positioning seat, a third cambered surface matched with the second fine tuning claw and a fourth cambered surface matched with the fine tuning guide jacking block. The second fine tuning claw and the first fine tuning claw are symmetrically arranged and have the same shape and structure. The first fine tuning claw is contacted with the inner side surface of the fine tuning claw mounting cavity through a first cambered surface and can relatively rotate; the first fine adjustment claw is contacted with the side surface of the positioning seat through the second cambered surface, and when the first fine adjustment claw rotates around the first cambered surface under the drive of the fine adjustment guide jacking block, the second cambered surface is always contacted with the side surface of the positioning seat and presses the positioning seat to one side of the spring through the second cambered surface or moves in the opposite direction; the first fine tuning claw and the third cambered surface of the second fine tuning claw are in contact with each other, so that the first cambered surface can be always in contact with the inner side surface of the fine tuning claw mounting cavity; the fine adjustment guide jacking block is in transmission connection with the first fine adjustment claw and the second fine adjustment claw through the fourth cambered surface.
The locking cover plate is provided with a through hole for the positioning column to pass through, and a positioning column movable gap is arranged between the edge of the through hole and the side surface of the positioning column. The positioning seat drives the positioning column to move in the horizontal plane, and the movable gap of the positioning column provides a moving space for the positioning column, so that the locking cover plate is prevented from limiting the moving range of the positioning column.
The lower part of the locking cover plate is provided with a locking cover plate boss which is matched with the inner side of the fixed frame. The locking cover plate boss is clamped on the inner side of the fixed frame, so that the locking cover plate is clamped on the fixed frame.
The working principle of the invention is as follows: the distance ratio between the rotation center of the first fine adjustment claw (namely, the first cambered surface) and the contact point of the first fine adjustment claw and the positioning seat (namely, the second cambered surface) and between the first fine adjustment claw and the contact point of the fine adjustment guide jacking block (namely, the fourth cambered surface) are 1:5, so that the adjusting screw moves by 1mm along the axial direction of the adjusting screw, the positioning seat can be driven to move by 0.2mm, the screw pitch of the adjusting screw is 0.5mm, the adjusting screw rotates for one circle, the positioning seat moves by 0.1mm, the positioning pin can respectively generate +/-0.25 mm of movement in the X-axis direction and the Y-axis direction through the rotation of the two adjusting screws which are mutually perpendicular in the horizontal plane, the adjusting precision is high, in addition, the spring always extrudes the positioning seat through the other side surface, deviating from the fine adjustment claw component, between the positioning seat and the fixed frame, and the adjusting moving precision is ensured.
When the positioning fine adjustment device is actually applied, positioning fine adjustment devices with corresponding numbers are arranged on a bottom plate of a hole position degree measurement tool according to the number and position distribution of holes to be measured on a sheet metal part; loosening the locking screw, rotating the adjusting screw to enable the adjusting screw to generate axial displacement and drive the fine adjustment guide jacking block to move, and enabling the first fine adjustment claw and the second fine adjustment claw to swing synchronously along with the fine adjustment guide jacking block to adjust the positioning seat to a preset position; then tightening the locking screw to clamp the positioning seat together with the base by the locking cover plate, so as to fix the position of the positioning column; and respectively adjusting each positioning fine adjustment device to finish positioning of all measuring points on the bottom plate of the hole position degree measuring tool.
Compared with the prior art, the invention has the following characteristics:
1) Firstly, according to the number and position distribution of holes to be measured on a sheet metal part, positioning fine adjustment devices with corresponding numbers are arranged on a bottom plate of a hole position measurement tool and are used for preliminary positioning, then the positioning mechanism is subjected to high-precision adjustment through a fine adjustment claw adjusting mechanism, positioning fine adjustment can be completed through one-time adjustment on a three-coordinate measuring instrument, and the number of gaskets and the thickness of the gaskets are prevented from being changed for multiple times in a gasket fine adjustment mode, so that the processing process of the hole position measurement tool is simplified, and the processing efficiency is improved;
2) The device is suitable for measuring hole positions of various sheet metal parts by changing the shape of the positioning column, has good universality, reduces the cost of replacing a measuring tool when detecting different products, has a simple structure, is convenient to maintain and adjust, can be easily operated by common operators, and reduces the production cost and the labor cost of the device;
3) The rotary stroke of the adjusting screw is converted into micro linear displacement of the positioning seat, the gap between the side surface of the positioning seat and the inner side of the fixed frame is eliminated through elastic expansion of the spring, the adjusting process is continuous linear adjustment, the adjusting precision is high, and the accuracy of hole position measurement is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a positioning mechanism according to the present invention;
FIG. 3 is a schematic view of the fine adjustment pawl adjustment mechanism according to the present invention;
FIG. 4 is a schematic view of the structure of the first fine adjustment pawl according to the present invention;
The figure indicates:
1-base, 2-fixed frame, 3-first fine setting claw, 31-first cambered surface, 32-second cambered surface, 33-third cambered surface, 34-fourth cambered surface, 4-second fine setting claw, 5-positioning seat, 6-spring, 7-fine setting guide ejector block, 8-adjusting screw, 9-reference column, 10-locating pin, 11-locking cover plate, 12-locking screw.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
Examples:
The positioning fine-tuning device for hole position measurement is shown in fig. 1, and is arranged on a hole position measurement tool bottom plate, and comprises a base 1, a fixed frame 2 and a locking cover plate 11 which are sequentially arranged on the hole position measurement tool bottom plate from bottom to top, wherein the base 1, the fixed frame 2 and the locking cover plate 11 are sequentially and fixedly connected through locking screws 12. The fixed frame 2 is internally provided with a positioning mechanism which penetrates through the locking cover plate 11 along the vertical direction, the fixed frame 2 is provided with a pair of fine adjustment claw adjusting mechanisms which are mutually perpendicular and respectively connected with the positioning mechanism in a transmission way, and the positions of the positioning mechanism are respectively adjusted by the two fine adjustment claw adjusting mechanisms in the X-axis direction and the Y-axis direction.
Wherein, a plurality of mounting holes have been seted up on the hole site degree measurement frock bottom plate, base 1 include with the spliced block of mounting hole looks adaptation, set up the fixed plate on the spliced block and set up on the fixed plate and with the base boss of the inboard looks adaptation of fixed frame 2, base 1 inserts through the spliced block and establishes on hole site degree measurement frock bottom plate, and fixed frame 2 passes through the base boss card and establishes on the fixed plate.
As shown in fig. 2, the positioning mechanism comprises a positioning seat 5 arranged on the base 1 in a sliding manner along the horizontal direction, a positioning column 9 arranged on the positioning seat 5, and a positioning pin 10 arranged on the top of the positioning column 9, wherein the positioning column 9 penetrates through a locking cover plate 11 along the vertical direction. The positioning seat 5 is provided with a positioning hole, and the bottom of the positioning column 9 is inserted into the positioning hole.
As shown in fig. 3, the fine adjustment claw adjusting mechanism comprises fine adjustment claw components and springs 6, wherein the fine adjustment claw components and the springs 6 are arranged on the fixed frame 2 and are respectively positioned on two sides of the positioning seat 5, the fine adjustment claw components are in transmission connection with one side of the positioning seat 5, and the springs 6 are in elastic connection with the other side of the positioning seat 5. The fine tuning claw assembly comprises a first fine tuning claw 3 and a second fine tuning claw 4 which are symmetrically arranged on the inner side of the fixed frame 2 and respectively connected with the side face of the positioning seat 5 in a transmission manner, a fine tuning guide jacking block 7 respectively connected with the inner ends of the first fine tuning claw 3 and the second fine tuning claw 4 in a transmission manner, and an adjusting screw 8 connected with the fine tuning guide jacking block 7 in a transmission manner. The fixed frame 2 is respectively provided with an adjusting screw hole matched with the adjusting screw 8, a fine adjusting guide ejector block chute matched with the fine adjusting guide ejector block 7 and a fine adjusting claw installation cavity matched with the first fine adjusting claw 3 and the second fine adjusting claw 4 respectively, and the adjusting screw hole, the fine adjusting guide ejector block chute and the fine adjusting claw installation cavity are sequentially communicated.
As shown in fig. 4, the first fine tuning claw 3 is provided with a first cambered surface 31 adapted to the fine tuning claw mounting cavity, a second cambered surface 32 adapted to the side surface of the positioning seat 5, a third cambered surface 33 adapted to the second fine tuning claw 4, and a fourth cambered surface 34 adapted to the fine tuning guide jacking block 7.
The locking cover plate 11 is provided with a through hole for the positioning column 9 to pass through, and a positioning column movable gap is arranged between the edge of the through hole and the side surface of the positioning column 9. The lower part of the locking cover plate 11 is provided with a locking cover plate boss which is matched with the inner side of the fixed frame 2.
When the device is practically applied, positioning fine-tuning devices with corresponding numbers are arranged on a bottom plate of the hole position degree measurement tool according to the number and position distribution of holes to be measured on the sheet metal part; loosening the locking screw 12, rotating the adjusting screw 8 to enable the adjusting screw 8 to generate axial displacement and drive the fine adjustment guide jacking block 7 to move, and synchronously swinging the first fine adjustment claw 3 and the second fine adjustment claw 4 along with the axial displacement to adjust the positioning seat 5 to a preset position; then, the locking screw 12 is screwed, so that the locking cover plate 11 and the base 1 clamp the positioning seat 5 together, and the position of the positioning column 9 is fixed; and respectively adjusting each positioning fine adjustment device to finish positioning of all measuring points on the bottom plate of the hole position degree measuring tool.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present invention. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present invention.
Claims (4)
1. The positioning fine-tuning device for hole position measurement is arranged on a hole position measurement tool bottom plate and is characterized by comprising a base (1), a fixed frame (2) and a locking cover plate (11) which are sequentially arranged on the hole position measurement tool bottom plate from bottom to top, wherein a positioning mechanism is arranged in the fixed frame (2), the positioning mechanism penetrates through the locking cover plate (11) along the vertical direction, a pair of fine-tuning claw adjusting mechanisms which are mutually perpendicular and are respectively in transmission connection with the positioning mechanism are arranged on the fixed frame (2), and the positions of the positioning mechanism are respectively adjusted in the X-axis direction and the Y-axis direction by the two fine-tuning claw adjusting mechanisms;
the positioning mechanism comprises a positioning seat (5) arranged on the base (1) in a sliding manner along the horizontal direction, a positioning column (9) arranged on the positioning seat (5) and a positioning pin (10) arranged at the top of the positioning column (9), wherein the positioning column (9) penetrates through the locking cover plate (11) along the vertical direction;
The positioning seat (5) is provided with a positioning hole, and the bottom of the positioning column (9) is inserted into the positioning hole;
the fine adjustment claw adjusting mechanism comprises fine adjustment claw components and springs (6), wherein the fine adjustment claw components and the springs are arranged on the fixed frame (2) and are respectively positioned at two sides of the positioning seat (5), the fine adjustment claw components are in transmission connection with one side of the positioning seat (5), and the springs (6) are elastically connected with the other side of the positioning seat (5);
the fine tuning claw assembly comprises a first fine tuning claw (3) and a second fine tuning claw (4) which are symmetrically arranged at the inner side of the fixed frame (2) and respectively connected with the side surface of the positioning seat (5) in a transmission way, a fine tuning guide jacking block (7) respectively connected with the inner ends of the first fine tuning claw (3) and the second fine tuning claw (4) in a transmission way, and an adjusting screw (8) connected with the fine tuning guide jacking block (7) in a transmission way;
The fixed frame (2) is respectively provided with an adjusting screw hole matched with the adjusting screw (8), a fine adjusting guide jacking block chute matched with the fine adjusting guide jacking block (7) and a fine adjusting claw mounting cavity matched with the first fine adjusting claw (3) and the second fine adjusting claw (4), and the adjusting screw hole, the fine adjusting guide jacking block chute and the fine adjusting claw mounting cavity are sequentially communicated;
the first fine adjustment claw (3) is provided with a first cambered surface (31) matched with the fine adjustment claw mounting cavity, a second cambered surface (32) matched with the side surface of the positioning seat (5), a third cambered surface (33) matched with the second fine adjustment claw (4) and a fourth cambered surface (34) matched with the fine adjustment guide jacking block (7).
2. The positioning fine-tuning device for hole position measurement according to claim 1, wherein the hole position measurement tool bottom plate is provided with a plurality of mounting holes, the base (1) comprises an insertion block matched with the mounting holes, a fixing plate arranged on the insertion block and a base boss arranged on the fixing plate and matched with the inner side of the fixing frame (2), the base (1) is inserted on the hole position measurement tool bottom plate through the insertion block, and the fixing frame (2) is clamped on the fixing plate through the base boss.
3. The positioning fine-tuning device for hole position measurement according to claim 1, wherein the locking cover plate (11) is provided with a through hole for the positioning column (9) to pass through, and a positioning column movable gap is arranged between the edge of the through hole and the side surface of the positioning column (9).
4. A positioning fine-tuning device for hole position measurement according to any one of claims 1 to 3, wherein the lower part of the locking cover plate (11) is provided with a locking cover plate boss adapted to the inner side of the fixed frame (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058454.8A CN108344341B (en) | 2017-01-23 | 2017-01-23 | Positioning fine-tuning device for hole position measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710058454.8A CN108344341B (en) | 2017-01-23 | 2017-01-23 | Positioning fine-tuning device for hole position measurement |
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| Publication Number | Publication Date |
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| CN108344341A CN108344341A (en) | 2018-07-31 |
| CN108344341B true CN108344341B (en) | 2024-06-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20220001211A1 (en) * | 2018-10-26 | 2022-01-06 | Shenzhen Our New Medical Technologies Development Co., Ltd. | Positioning mechanism and radiotherapy device |
| CN111097107A (en) * | 2018-10-26 | 2020-05-05 | 深圳市奥沃医学新技术发展有限公司 | Positioning mechanism and radiotherapy equipment |
| CN109443164B (en) * | 2018-12-27 | 2020-05-22 | 江铃汽车股份有限公司 | Door hinge detects frock |
| CN112325819B (en) * | 2020-11-10 | 2022-10-04 | 宁波夏拓智能科技有限公司 | Rapid positioning device and positioning method suitable for spline detection |
| CN113400139A (en) * | 2021-07-23 | 2021-09-17 | 江西吉铖光电有限公司 | Coaxiality correcting mechanism for installing lens grinding tool |
| CN116465276A (en) * | 2023-04-12 | 2023-07-21 | 广州宁武科技股份有限公司 | Hole position degree detection device |
| CN117283260B (en) * | 2023-11-03 | 2024-03-12 | 哈尔滨工业大学 | Assembly mechanism and method for adjusting gap of guide groove of air floatation guide rail |
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| CN206469800U (en) * | 2017-01-23 | 2017-09-05 | 上海英祺精密零件制造有限公司 | A kind of positioning trimming device measured for hole location |
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| CN108344341A (en) | 2018-07-31 |
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