CN112729043A - Special gauge for measuring die misalignment of triangular fork forging - Google Patents
Special gauge for measuring die misalignment of triangular fork forging Download PDFInfo
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- CN112729043A CN112729043A CN202110150078.1A CN202110150078A CN112729043A CN 112729043 A CN112729043 A CN 112729043A CN 202110150078 A CN202110150078 A CN 202110150078A CN 112729043 A CN112729043 A CN 112729043A
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- block
- shaped
- shaped mounting
- triangular fork
- cushion block
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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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Abstract
The invention discloses a special checking fixture for measuring die misalignment of a triangular fork forging, which relates to the field of transmission shaft part detection and comprises a bottom plate and the like, wherein a V-shaped mounting block, a linear guide rail and a cushion block are fixedly arranged on the bottom plate, the linear guide rail is contacted with the edge of one side of the cushion block, the V-shaped mounting block is arranged on the other side of the cushion block, and a triangular fork to be detected is arranged on the cushion block; the V-shaped mounting block is provided with a fixed V-shaped block in an embedded manner, and the opening of the fixed V-shaped block faces the cushion block; the lower part of the V-shaped mounting block is provided with a groove for placing a sliding block, the bottom of the sliding block is provided with a bearing which enables the sliding block to freely move back and forth and left and right in the groove, the top of the sliding block is fixedly provided with a movable V-shaped block, and the opening of the movable V-shaped block faces to a cushion block for the lower die at the top angle of the triangular fork to extend into and contact and position; and a dial indicator is fixedly arranged on the V-shaped mounting block to detect the offset of the upper die and the lower die of the triangular fork. The method has the advantages that the measured value is accurate and credible, the workpiece does not need to be held by hands for measurement in the detection process, the labor intensity is reduced, the safety coefficient is improved, and the accuracy of the detection tool can be calibrated at any time.
Description
Technical Field
The invention relates to the field of transmission shaft part detection, in particular to a special detection tool for measuring die misalignment of a triangular fork forging.
Background
In the prior art, the length of the diagonal line of an upper die and a lower die at two corners of a triangular fork is measured by a vernier caliper to measure the error modulus of a left position, a right position and a rotation position, and because the upper die and the lower die are provided with a draft and a contour fillet, the difference of measurement points during measurement is different, and the measurement results are also different. The front and rear dislocation dies can only judge the dislocation modulus by the height of the trimming edge relative to the upper and lower dies, and can not obtain the true data of dislocation of the upper and lower dies. The existing detection mode has the following defects:
1. because the upper die and the lower die are provided with the draft angle and the profile fillet, an accurate measuring point is difficult to find, and the human error is large;
2. the front and rear dislocation dies can only be measured by visual observation or by using a depth gauge of a caliper with the cut edge as a reference, and the result is not credible;
3. the staff measures with holding the work piece, and intensity of labour is big and unsafe.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the special checking fixture for measuring the offset of the triangular fork forging, which has the advantages of convenience in use, high detection precision, time saving and labor saving.
The purpose of the invention is achieved by the following technical scheme: the special checking fixture for measuring the offset mold of the triangular fork forging comprises a bottom plate and a triangular fork, wherein a V-shaped mounting block, a linear guide rail and a cushion block are fixedly arranged on the bottom plate, the linear guide rail is in contact with and vertical to one side edge of the cushion block, the V-shaped mounting block is arranged on the other side of the cushion block, and the triangular fork to be detected is arranged on the cushion block; a fixed V-shaped block is embedded on one side, close to the cushion block, of the V-shaped mounting block, a V-shaped opening of the fixed V-shaped block faces the cushion block, and an upper die at the top angle of the triangular fork extends into the V-shaped mounting block and is in contact positioning with the V-shaped opening; the lower part of the V-shaped mounting block is provided with a groove for placing a sliding block, the bottom of the sliding block is provided with a bearing which enables the sliding block to freely move back and forth and left and right in the groove, the top of the sliding block is fixedly provided with a movable V-shaped block, and a V-shaped opening of the movable V-shaped block faces to a cushion block for the lower die at the top angle of the triangular fork to extend into and contact and position; two side surfaces of the V-shaped mounting block are respectively and fixedly provided with a dial indicator, and each dial indicator penetrates through the V-shaped mounting block and is propped against the sliding block so as to detect the offset of an upper die and a lower die of the triangular fork; the linear guide rail is connected with a sliding block in a sliding mode, the sliding block is movably connected with an alignment block through a constant force spring, and the alignment block is in contact with and tightly pushed against bottom feet on two sides of the triangular fork.
As a further technical scheme, the V-shaped mounting block is fixedly connected with the bottom plate through an M5 screw rod.
As a further technical scheme, the fixed V-shaped block is fixed with the V-shaped mounting block through an M4 screw rod.
As a further technical scheme, the dial indicator is fixed with the V-shaped mounting block through a jacking screw rod.
As a further technical scheme, the alignment block is fixedly connected with the sliding block through an M5 screw rod.
As a further technical scheme, the linear guide rail is fixedly connected with the bottom plate through an M4 screw rod.
As a further technical scheme, the cushion block is fixedly connected with the bottom plate through an M6 screw rod.
The invention has the beneficial effects that: the measured value is accurate and credible, does not need to hold the workpiece to measure in the detection, reduces labor intensity, and the factor of safety improves, can calibrate the accuracy of examining the utensil at any time.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the structure of the present invention.
Fig. 3 is a structural sectional view of the present invention.
Description of reference numerals: the device comprises a bottom plate 1, a V-shaped mounting block 2, a movable V-shaped block 3, a fixed V-shaped block 4, a bearing 5, a sliding block 6, a dial indicator 7, a triangular fork 8, an alignment block 9, a sliding block 10, a linear guide rail 11, a cushion block 12, a jacking screw 13, an M5 screw 14, an M6 screw 15 and an M4 screw 16.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in fig. 1-3, the special gauge for measuring the offset mold of the triangular fork forging comprises a bottom plate 1 and a triangular fork 8, wherein a V-shaped mounting block 2, a linear guide rail 11 and a cushion block 12 are fixedly mounted on the bottom plate 1, the cushion block 12 is fixedly connected with the bottom plate 1 through an M6 screw 15, the linear guide rail 11 is fixedly connected with the bottom plate 1 through an M4 screw 16 and is in contact with and perpendicular to one side edge of the cushion block 12, the V-shaped mounting block 2 is arranged on the other side of the cushion block 12 and is fixedly connected with the bottom plate 1 through an M5 screw 14, and the triangular fork 8 to be detected is arranged on the cushion block 12; a fixed V-shaped block 4 (fixed with the V-shaped mounting block 2 through an M4 screw 16) is embedded and mounted on one side, close to the cushion block 12, of the V-shaped mounting block 2, and a V-shaped opening of the fixed V-shaped block 4 faces the cushion block 12 so that an upper die at the top corner of the triangular fork 8 can extend into and be in contact with the cushion block for positioning; the lower part of the V-shaped mounting block 2 is provided with a groove for placing a sliding block 6, the bottom of the sliding block 6 is provided with a bearing 5 which enables the sliding block 6 to freely move back and forth and left and right in the groove, the top of the sliding block 6 is fixedly provided with a movable V-shaped block 3, a V-shaped opening of the movable V-shaped block 3 also faces to a cushion block 12 for the lower die at the top angle of the triangular fork 8 to extend into and contact and position; two side surfaces of the V-shaped mounting block 2 are respectively and fixedly provided with one dial indicator 7, each dial indicator 7 penetrates through the V-shaped mounting block 2 and is propped against the sliding block 6 so as to detect the offset of an upper die and a lower die of the triangular fork 8, and the dial indicators 7 are fixed with the V-shaped mounting block 2 through a propping screw rod 13; the linear guide rail 11 is connected with a sliding block 10 in a sliding mode, the sliding block 10 is movably connected with an alignment block 9 through a constant force spring, the alignment block 9 is in contact with and abuts against feet on two sides of the triangular fork 8, and the tail portion of the alignment block 9 is fixedly connected with the sliding block 10 through an M5 screw 14.
The working process of the invention is as follows: during testing, the standard part is placed on the cushion block 12, the aligning block 9 is pulled to the upper die at two corners of the bottom of the standard part for alignment, at the moment, the semi-circle of the vertex angle of the standard part is in contact with the fixed V-shaped block 4 and the movable V-shaped block 3, the dial indicator 7 is respectively set to be zero, then the aligning block 9 is returned, and the standard part is taken out. And then placing the triangular fork 8 to be detected on the cushion block 12, pushing the triangular fork 8 to the top angle upper die to be in good contact with the fixed V-shaped block 4 by using the alignment block 9, and displaying different numerical values on the dial indicator 7 due to the action of the offset of the upper die and the lower die of the triangular fork 8 on the movable V-shaped block 3, wherein the value is the real staggered modulus of the upper die and the lower die of the triangular fork 8. Since the measurements are compared with standard components, the three angles of the fork 8 to be detected must be measured separately.
The upper die of the triangular fork forging is fixed by the fixed V-shaped block and the alignment block 9 with constant force, and the movable V-shaped block can move front and back and left and right and has certain elasticity, so that the measuring point of the lower die can be accurately found, the edge of the forging is left between the fixed V-shaped block and the movable V-shaped block, and the measured value is credible. In addition, the triangle fork forging piece is placed on the cushion block for measurement, and is safe, reliable and easy to use. Because the adopted method is a comparative measurement, the accuracy of the checking fixture can be calibrated at any time.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (7)
1. The utility model provides a measure special use of triangle fork forging piece dislocation mould examines utensil which characterized in that: the detection device comprises a bottom plate (1) and a triangular fork (8), wherein a V-shaped mounting block (2), a linear guide rail (11) and a cushion block (12) are fixedly arranged on the bottom plate (1), the linear guide rail (11) is in contact with and vertical to one side edge of the cushion block (12), the V-shaped mounting block (2) is arranged on the other side of the cushion block (12), and the triangular fork (8) to be detected is arranged on the cushion block (12); a fixed V-shaped block (4) is embedded and mounted on one side, close to the cushion block (12), of the V-shaped mounting block (2), a V-shaped opening of the fixed V-shaped block (4) faces towards the cushion block (12), and an upper die at the top angle of the triangular fork (8) can stretch into and contact with the cushion block for positioning; the lower part of the V-shaped mounting block (2) is provided with a groove for placing a sliding block (6), the bottom of the sliding block (6) is provided with a bearing (5) to enable the sliding block (6) to freely move back and forth and left and right in the groove, the top of the sliding block (6) is fixedly provided with a movable V-shaped block (3), a V-shaped opening of the movable V-shaped block (3) also faces to the cushion block (12) for the lower die at the top angle of the triangular fork (8) to extend into and contact and position; two side surfaces of the V-shaped mounting block (2) are respectively and fixedly provided with a dial indicator (7), and each dial indicator (7) penetrates through the V-shaped mounting block (2) and is propped against the sliding block (6) so as to detect the offset of an upper die and a lower die of the triangular fork (8); the linear guide rail (11) is connected with a sliding block (10) in a sliding mode, the sliding block (10) is connected with an alignment block (9) through a constant force spring in a movable mode, and the alignment block (9) is in contact with and tightly pushed against bottom feet on two sides of the triangular fork (8).
2. The special gauge for measuring the offset mold of the triangular fork forging piece according to claim 1, is characterized in that: the V-shaped mounting block (2) is fixedly connected with the bottom plate (1) through an M5 screw (14).
3. The special gauge for measuring the offset mold of the triangular fork forging piece according to claim 1, is characterized in that: the fixed V-shaped block (4) is fixed with the V-shaped mounting block (2) through an M4 screw (16).
4. The special gauge for measuring the offset mold of the triangular fork forging piece according to claim 1, is characterized in that: the dial indicator (7) is fixed with the V-shaped mounting block (2) through a jacking screw rod (13).
5. The special gauge for measuring the offset mold of the triangular fork forging piece according to claim 1, is characterized in that: the alignment block (9) is fixedly connected with the sliding block (10) through an M5 screw rod (14).
6. The special gauge for measuring the offset mold of the triangular fork forging piece according to claim 1, is characterized in that: the linear guide rail (11) is fixedly connected with the bottom plate (1) through an M4 screw rod (16).
7. The special gauge for measuring the offset mold of the triangular fork forging piece according to claim 1, is characterized in that: the cushion block (12) is fixedly connected with the bottom plate (1) through an M6 screw rod (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150078.1A CN112729043A (en) | 2021-02-03 | 2021-02-03 | Special gauge for measuring die misalignment of triangular fork forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150078.1A CN112729043A (en) | 2021-02-03 | 2021-02-03 | Special gauge for measuring die misalignment of triangular fork forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112729043A true CN112729043A (en) | 2021-04-30 |
Family
ID=75595468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110150078.1A Pending CN112729043A (en) | 2021-02-03 | 2021-02-03 | Special gauge for measuring die misalignment of triangular fork forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112729043A (en) |
-
2021
- 2021-02-03 CN CN202110150078.1A patent/CN112729043A/en active Pending
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