CN111561852A - Test fixture zero point positioning tool structure - Google Patents
Test fixture zero point positioning tool structure Download PDFInfo
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- CN111561852A CN111561852A CN202010434354.2A CN202010434354A CN111561852A CN 111561852 A CN111561852 A CN 111561852A CN 202010434354 A CN202010434354 A CN 202010434354A CN 111561852 A CN111561852 A CN 111561852A
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- test fixture
- zero point
- supporting part
- positioning tool
- point positioning
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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
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- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a test fixture zero point positioning tool structure, which is characterized in that: the test fixture tool comprises a test fixture tool body and a zero point positioning tool, wherein the test fixture tool body comprises an upper test fixture and a lower test fixture, the zero point positioning tool is arranged between the upper test fixture and the lower test fixture, a first supporting part and a second supporting part which are used for fixing the upper test fixture and the lower test fixture are arranged at two ends of the zero point positioning tool, a positioning part used for performing zero point positioning on the test fixture tool body is arranged between the first supporting part and the second supporting part, and two ends of the positioning part are respectively connected with the first supporting part and the second supporting part. The invention can solve the problems of low precision and large error of the tested value caused by adopting a nonstandard zero point positioning tool mode, and has reliable connection and convenient operation; meanwhile, the test direction of X, Y is convenient to adjust, the accuracy of the numerical value of the test result can be more accurately ensured, and the design and production of the product drawing can be better guided.
Description
Technical Field
The invention relates to a zero point positioning tool structure of a test fixture.
Background
When the experimental test fixture tool works, zero point positioning needs to be carried out on the upper fixture tool and the lower fixture tool, a generally used zero point positioning mode is that a reference plane is designed for the upper test fixture body and the lower test fixture body, and a position needing to be scaled is converted by defining a Y-direction position after the contact of the upper test fixture body and the lower test fixture body is stopped as a zero point. To different products, the testing jig tool is tested in reality, because of the difference of the shape and the structure, the positioning mode of the standard zero point can not meet the positioning of different types of products, and sometimes the interference can occur with the testing jig tool, so that the zero point positioning tool for the testing jig needs to be designed, and the accurate positioning of the upper and lower testing jig X, Y is realized.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the problem that the zero positioning of the existing experimental test fixture tool cannot meet the positioning requirements of different types of products.
In order to solve the above problems, the technical solution of the present invention is to provide a test fixture zero point positioning tool structure, which is characterized in that: the test fixture tool comprises a test fixture tool body and a zero point positioning tool, wherein the test fixture tool body comprises an upper test fixture and a lower test fixture, the zero point positioning tool is arranged between the upper test fixture and the lower test fixture, a first supporting part and a second supporting part which are used for fixing the upper test fixture and the lower test fixture are arranged at two ends of the zero point positioning tool, a positioning part used for performing zero point positioning on the test fixture tool body is arranged between the first supporting part and the second supporting part, and two ends of the positioning part are respectively connected with the first supporting part and the second supporting part.
Preferably, the first support part and the second support part are vertically arranged support plates.
Preferably, two ends of the lower surface of the upper test fixture are provided with first recesses, two ends of the upper surface of the lower test fixture are provided with second recesses, and the first recesses and the second recesses form first clamping grooves for mounting the first supporting parts and second clamping grooves for mounting the second supporting parts.
Preferably, the lower surface of the upper test fixture comprises a horizontal section, a slope section and an arc section, the horizontal section is connected with the arc section through the slope section, and the arc section is lower than the horizontal section.
Preferably, the horizontal section is connected with the slope section in a smooth transition mode, and the slope section is connected with the circular arc section in a smooth transition mode.
Preferably, location portion is the locating plate, and the upper surface of locating plate is unanimous with the shape of last test fixture lower surface, and the upper surface of locating plate and the laminating of last test fixture lower surface, the lower surface of locating plate is parallel with the upper surface of locating plate.
Preferably, one end of the positioning plate is lower than the top end of the first support part and is connected with the first support part, a step structure I is formed with the top end of the first support part, the other end of the positioning plate is higher than the bottom end of the second support part and is connected with the bottom end of the second support part, and a step structure II is formed with the bottom end of the second support part.
Preferably, the zero positioning tool is made of LY hard aluminum.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the upper and lower test fixtures are fixed through the zero point positioning tool, the step limiting and profiling radian are designed between the zero point positioning tool and the test fixture tool body, and the contact surface position is the zero point position, so that the connection between the test fixture tool body and the standard zero point positioning tool is realized, the problems of low precision and large test numerical value error caused by adopting a non-standard zero point positioning tool mode can be solved, the connection is reliable, and the operation is convenient; meanwhile, the test X, Y direction adjustment is convenient, one-time design is carried out on one product, the precision is high, the accuracy of the test result value can be more accurately ensured, and the design and production of the product drawing can be better guided.
Drawings
FIG. 1 is a schematic structural view of a zero point positioning fixture for a test fixture according to the present invention;
FIG. 2 is a schematic structural view of a zero positioning fixture;
fig. 3 is a schematic structural view of a test fixture tool body.
Detailed Description
In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the zero point positioning tool structure of the test fixture of the present invention includes a test fixture tool body 1 and a zero point positioning tool 2, wherein the zero point positioning tool 2 is made of LY hard aluminum. The test fixture tool body 1 comprises an upper test fixture 11 and a lower test fixture 12, the zero point positioning tool 2 is installed between the upper test fixture 11 and the lower test fixture 12, a first supporting portion 21 and a second supporting portion 22 which are used for fixing the upper test fixture 11 and the lower test fixture 12 are machined at two ends of the zero point positioning tool 2, and the first supporting portion 21 and the second supporting portion 22 are vertically arranged supporting plates. A positioning part 23 used for carrying out zero point positioning on the test fixture tool body 1 is arranged between the first supporting part 21 and the second supporting part 22, and two ends of the positioning part 23 are respectively connected with the first supporting part 21 and the second supporting part 22. The first recess 3 is formed in two ends of the lower surface of the upper test fixture 11, the second recess 4 is formed in two ends of the upper surface of the lower test fixture 12, and the first recess 3 and the second recess 4 form a first clamping groove 5 for mounting the first supporting portion 21 and a second clamping groove 6 for mounting the second supporting portion 22. The lower surface of the upper test fixture 11 comprises a horizontal section 11-1, a slope section 11-2 and an arc section 11-3, the horizontal section 11-1 is connected with the arc section 11-3 through the slope section 11-2, and the position of the arc section 11-3 is lower than that of the horizontal section 11-1. The horizontal section 11-1 is connected with the slope section 11-2 in a smooth transition mode, and the slope section 11-2 is connected with the arc section 11-3 in a time smooth transition mode. The positioning part 23 is a positioning plate, the upper surface of the positioning plate is consistent with the lower surface of the upper test fixture 11 in shape, the upper surface of the positioning plate is attached to the lower surface of the upper test fixture 11, and the lower surface of the positioning plate is parallel to the upper surface of the positioning plate. One end of the positioning plate is lower than the top end of the first support part 21 and is connected with the first support part 21, a step structure I7 is formed between the top end of the first support part 21 and the positioning plate, the other end of the positioning plate is higher than the bottom end of the second support part 22 and is connected with the bottom end of the second support part 22, and a step structure II 8 is formed between the bottom end of the second support part 22 and the positioning plate.
The upper test fixture 11 and the lower test fixture 12 are fixed through the zero point positioning fixture 2, and the contact surface position of the first step structure 7 of the zero point positioning fixture 2 and the lower surface of the upper test fixture 11 is the zero point position.
Claims (8)
1. The utility model provides a test fixture zero point location frock structure which characterized in that: including test fixture frock body (1) and zero point location frock (2), test fixture frock body (1) is including test fixture (11) and test fixture (12) down, zero point location frock (2) are located test fixture (11) and are tested between fixture (12) down, and zero point location frock (2) both ends are equipped with supporting part one (21) and supporting part two (22) that are used for fixed test fixture (11) and test fixture (12) down, be equipped with between supporting part one (21) and supporting part two (22) and be used for carrying out the location portion (23) at zero point to test fixture frock body (1), the both ends of location portion (23) are connected with supporting part one (21) and supporting part two (22) respectively.
2. The zero positioning tool structure for the test fixture according to claim 1, wherein: the first supporting part (21) and the second supporting part (22) are vertically arranged supporting plates.
3. The zero positioning tool structure for the test fixture according to claim 1, wherein: the two ends of the lower surface of the upper test fixture (11) are provided with a first recess (3), the two ends of the upper surface of the lower test fixture (12) are provided with a second recess (4), and the first recess (3) and the second recess (4) form a first clamping groove (5) for installing a first supporting part (21) and a second clamping groove (6) for installing a second supporting part (22).
4. The zero positioning tool structure for the test fixture according to claim 1, wherein: the lower surface of the upper test fixture (11) comprises a horizontal section (11-1), a slope section (11-2) and an arc section (11-3), the horizontal section (11-1) is connected with the arc section (11-3) through the slope section (11-2), and the position of the arc section (11-3) is lower than that of the horizontal section (11-1).
5. The zero positioning tool structure for the test fixture according to claim 4, wherein: the horizontal section (11-1) is connected with the slope section (11-2) in a smooth transition mode, and the slope section (11-2) is connected with the arc section (11-3) in a smooth transition mode.
6. The zero positioning tool structure for the test fixture according to claim 1, wherein: the positioning part (23) is a positioning plate, the upper surface of the positioning plate is consistent with the lower surface of the upper test fixture (11) in shape, the upper surface of the positioning plate is attached to the lower surface of the upper test fixture (11), and the lower surface of the positioning plate is parallel to the upper surface of the positioning plate.
7. The zero positioning tool structure for the test fixture according to claim 6, wherein: one end of the positioning plate is lower than the top end of the first supporting portion (21) and is connected with the first supporting portion (21), a step structure I (7) is formed with the top end of the first supporting portion (21), the other end of the positioning plate is higher than the bottom end of the second supporting portion (22) and is connected with the bottom end of the second supporting portion (22), and a step structure II (8) is formed with the bottom end of the second supporting portion (22).
8. The zero positioning tool structure for the test fixture according to claim 1, wherein: and the zero point positioning tool (2) is made of LY hard aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434354.2A CN111561852A (en) | 2020-05-21 | 2020-05-21 | Test fixture zero point positioning tool structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010434354.2A CN111561852A (en) | 2020-05-21 | 2020-05-21 | Test fixture zero point positioning tool structure |
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| Publication Number | Publication Date |
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| CN111561852A true CN111561852A (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010434354.2A Pending CN111561852A (en) | 2020-05-21 | 2020-05-21 | Test fixture zero point positioning tool structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088532A (en) * | 2021-12-16 | 2022-02-25 | 上海荣南科技股份有限公司 | Tool structure of automobile skylight sealing strip test fixture |
-
2020
- 2020-05-21 CN CN202010434354.2A patent/CN111561852A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088532A (en) * | 2021-12-16 | 2022-02-25 | 上海荣南科技股份有限公司 | Tool structure of automobile skylight sealing strip test fixture |
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