CN218657912U - Positioning device for large-area clamp of exhaust pipe drill - Google Patents
Positioning device for large-area clamp of exhaust pipe drill Download PDFInfo
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- CN218657912U CN218657912U CN202223223403.1U CN202223223403U CN218657912U CN 218657912 U CN218657912 U CN 218657912U CN 202223223403 U CN202223223403 U CN 202223223403U CN 218657912 U CN218657912 U CN 218657912U
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Abstract
The utility model discloses a blast pipe class bores big face anchor clamps positioner. The first positioning core tire comprises an X-direction positioning core tire, a limiting connecting rod, a first Y-direction positioning core tire, a first core tire guide sleeve, a first spring, a second spring and a nut; the X-direction positioning core tire and the first Y-direction positioning core tire are mutually vertical and are arranged in the first core tire guide sleeve; the limiting connecting rod is positioned in the center of the first core tire guide sleeve, and the bottom of the limiting connecting rod penetrates through the bottom of the first core tire guide sleeve and is connected with the nut; the first spring and the second spring are positioned in the first core tire guide sleeve; the first spring is sleeved on the limiting connecting rod and matched with the first Y-direction positioning core tire; the bottom of the second spring is fixed on the first core tire guide sleeve, and the top of the second spring is matched with the X-direction positioning core tire; the second springs are located on both sides of the first spring. The tightness of the core tire positioning point and the inner wall of the air passage is improved, the position deviation of the processing hole is reduced, and the product quality is improved.
Description
Technical Field
The utility model relates to an blast pipe processing location technical field especially relates to blast pipe class bores big face fixture positioning device.
Background
When the exhaust pipe machining is carried out, an air inlet end flange end face, an air outlet end flange end face and the like need to be machined, generally, the exhaust pipe needs to be fixed through a clamp, then the clamp is connected with a machining platform for machining, and after the machining is completed, the clamp and the exhaust pipe are dismounted together. However, because the structure of some exhaust pipes is complicated and the appearance is irregular, the operation of the conventional clamp is complicated when the exhaust pipe is fixed, and the clamping stability is poor, so that the exhaust pipe is easy to generate errors in the machining process and even is scrapped.
Positioning mechanisms for processing air inlet flange surface holes of two-cylinder exhaust manifolds are often positioned by adopting a three-petal structure. When the air duct mouth is not regular circle, lead to core child locating point and air flue inner wall subsides not really very easily to lead to processing hole positional deviation great, influence product quality.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a blast pipe class bores big face anchor clamps positioner improves the compactness of core child locating point and air flue inner wall, reduces the processing hole positional deviation, improves product quality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the exhaust pipe drill large-area fixture positioning device comprises a fixture body, a first positioning core tire and a second positioning core tire; the top of the clamp body is provided with a first positioning surface and a second positioning surface; the bottom of the first positioning core tire is matched with the first positioning surface; the bottom of the second positioning core tire is matched with the second positioning surface; the first positioning core tire comprises an X-direction positioning core tire, a limiting connecting rod, a first Y-direction positioning core tire, a first core tire guide sleeve, a first spring, a second spring and a nut; the X-direction positioning core tire and the first Y-direction positioning core tire are mutually vertical and are arranged in the first core tire guide sleeve; the limiting connecting rod is positioned in the center of the first core guiding sleeve, and the bottom of the limiting connecting rod penetrates through the bottom of the first core guiding sleeve to be connected with the nut; the first spring and the second spring are positioned in the first tire guide sleeve; the first spring is sleeved on the limiting connecting rod and matched with the first Y-direction positioning core tire; the bottom of the second spring is fixed on the first core tire guide sleeve, and the top of the second spring is matched with the X-direction positioning core tire; the second springs are located on both sides of the first spring.
Optionally, the second positioning core tire comprises a third spring, a second Y-direction positioning core tire, a second core tire guide sleeve, a fixing block, a limiting pin and a bolt; the second Y-direction positioning core tire is arranged in the second core tire guide sleeve; a limiting groove is formed in the side part of the second Y-direction positioning core tire; a limiting hole is formed in the second core tire guide sleeve corresponding to the side part of the limiting groove, and the limiting pin is laterally fixed in the limiting hole; the fixed block is fixed at the bottom of the second core tire guide sleeve; the third spring is positioned between the fixed block and the second Y-direction positioning core tire; the bolt penetrates through the fixing block and the third spring and is connected with the bottom of the second Y-direction positioning core tire.
Optionally, the first tire guiding sleeve is in transition fit with the first positioning surface; the second core tire guide sleeve is in transition fit with the second positioning surface, and the fixing block is connected with the bottom surface of the fixture body through a bolt.
Optionally, the upper end of the limiting connecting rod is in clearance fit with the inner walls of the X-direction positioning core tire and the first Y-direction positioning core tire by 0.02-0.04mm.
Optionally, the upper side portions of the X-direction positioning core tire, the first Y-direction positioning core tire and the second Y-direction positioning core tire are provided with inclined grooves facing outwards.
Optionally, the top of the clamp body is provided with a block, a switch valve and a switch valve handle; the top of the heightening block is provided with an oil cylinder; the switch valve is connected with the oil cylinder; the switch valve handle is connected with the switch valve.
The utility model discloses an actively beneficial effect:
the problem of two jar product air flue location inadequately is solved, improved two former jar class exhaust manifold (the air flue mouth shape is irregular circle) processing air inlet flange face hole location structure's defect, the core child locating point pastes closely with the air flue inner wall, has realized accurate location, quick clamping and processing on line.
Drawings
Fig. 1 is a schematic structural view of a positioning device for a large-area jig for an exhaust pipe drill according to embodiment 1 of the present invention;
fig. 2 is a schematic view of an external structure of a first positioning core tire provided in embodiment 1 of the present invention;
FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2 according to the present invention;
fig. 5 is an external structural view of a second positioning core tire provided in embodiment 1 of the present invention;
fig. 6 is a schematic view of an internal structure of a second positioning core tire according to embodiment 1 of the present invention.
1. A clamp body; 11. a first positioning surface; 12. a second positioning surface; 13. a padding block; 14. an on-off valve; 15. a switch valve handle; 2. a first positioning core; 21. positioning the core tire in the X direction; 22. a limit connecting rod; 23. a first Y-direction positioning core; 24. a first tire guiding sleeve; 25. a first spring; 26. a second spring; 27. a nut; 3. a second positioning core; 31. a third spring; 32. a second Y-direction positioning core; 33. a second core tire guide sleeve; 34. a fixed block; 35. a spacing pin; 36. a bolt; 37. a limiting groove; 38. a limiting hole; 4. a chute.
Detailed Description
The present invention will be further described with reference to some embodiments.
Example 1
As shown in fig. 1 to 6, the positioning device for the exhaust pipe drill jig comprises a jig body 1, a first positioning core 2 and a second positioning core 3; the top of the fixture body 1 is provided with a first positioning surface 11 and a second positioning surface 12; the bottom of the first positioning core tyre 2 is matched with the first positioning surface 11; the bottom of the second positioning core tyre 3 is matched with the second positioning surface 12; the first positioning core tyre 2 comprises an X-direction positioning core tyre 21, a limit connecting rod 22, a first Y-direction positioning core tyre 23, a first core tyre guide sleeve 24, a first spring 25, a second spring 26 and a nut 27; the X-direction positioning core tire 21 and the first Y-direction positioning core tire 23 are perpendicular to each other and are arranged in the first core tire guide sleeve 24; the limit connecting rod 22 is positioned at the center of the first core guiding sleeve 24, and the bottom of the limit connecting rod 22 passes through the bottom of the first core guiding sleeve 24 and is connected with the nut 27; the first spring 25 and the second spring 26 are located inside the first tire guide sleeve 24; the first spring 25 is sleeved on the limit connecting rod 22 and matched with the first Y-direction positioning core tyre 23; the bottom of the second spring 26 is fixed on the first core tire guide sleeve 24, and the top of the second spring is matched with the X-direction positioning core tire 21; the second spring 26 is located on both sides of the first spring 25.
For the processing of the four-cylinder exhaust manifold, three air passage openings can be selected for positioning, and three second positioning core tires 3 are adopted, wherein two of the positioning core tires are positioned in the Y direction, and one positioning core tire is positioned in the X direction. The utility model is used for on the two cylinder class exhaust manifold of heavy vapour processing air intake flange face hole anchor clamps, there are two gas ports bottom two cylinder exhaust manifold, adopt a first location core child 2 and a second location core child 3 to select respectively to fix a position in these two gas ports, first location core child 2 and second location core child 3 are fixed respectively on first locating surface 11 and the second locating surface 12 at anchor clamps body 1 top, second location core child 3 closely laminates with an air flue inner wall, the cooperation of X to location core child 21 and first Y to location core child 23 makes first location core child 2 closely laminate with another air flue inner wall, spacing connecting rod 22 passes X to location core child 21, first Y to location core child 23, first spring 25, first core child uide bushing 24 lower extreme is screwed up by nut 27, second spring 26 guarantees that X moves about to location core child 21 and moves about the alignment positioning center, the problem of not enough of air flue location has been solved through first location core child 2, the two cylinder class exhaust manifold of heavy vapour processing air intake flange face hole defect and quick processing precision.
Specifically, referring to fig. 5 and 6, the second positioning core tyre 3 comprises a third spring 31, a second Y-direction positioning core tyre 32, a second core tyre guide sleeve 33, a fixing block 34, a limiting pin 35 and a bolt 36; the second Y-direction positioning core 32 is arranged in the second core guide sleeve 33; a limiting groove 37 is arranged at the side part of the second Y-direction positioning core tyre 32; a limiting hole 38 is formed in the side portion, corresponding to the limiting groove 37, of the second core tire guide sleeve 33, and the limiting pin 35 is laterally fixed in the limiting hole 38; the fixing block 34 is fixed at the bottom of the second core tire guide sleeve 33; the third spring 31 is positioned between the fixed block 34 and the second Y-direction positioning core tyre 32; the bolt 36 passes through the fixing block 34 and the third spring 31 respectively and is connected with the bottom of the second Y-direction positioning core tyre 32. The third spring 31 provides elasticity for the second Y-direction positioning core tyre 32, and the manifold product is pressed and supports the core tyre by the spring force; the second Y-direction positioning core tyre 32 is used for positioning the air passage Y-direction, and the limiting pin 35 is used for limiting the moving distance of the second Y-direction positioning core tyre 32, so that the operation is more efficient.
The fixing mode is that the first core guiding sleeve 24 is in transition fit with the first positioning surface 11; the second core tire guide sleeve 33 is in transition fit with the second positioning surface 12, and the fixing block 34 is connected with the bottom surface of the fixture body 1 through a bolt 36.
The upper end part of the limiting connecting rod 22 is in clearance fit with the inner walls of the X-direction positioning core tyre 21 and the first Y-direction positioning core tyre 23 by 0.02-0.04mm. A certain clearance is reserved to prevent clamping stagnation and play a role in guiding.
The upper side parts of the X-direction positioning core tyre 21, the first Y-direction positioning core tyre 23 and the second Y-direction positioning core tyre 32 are all provided with inclined grooves 4 with outward directions. The X-direction positioning core tyre 21, the first Y-direction positioning core tyre 23 and the second Y-direction positioning core tyre 32 are gradually widened from top to bottom, and the contact degree with the inner wall of the air passage can be gradually improved when the core tyre is matched with the air passage.
Referring to fig. 1, a block 13, a switch valve 14 and a switch valve handle 15 are arranged on the top of the clamp body 1; an oil cylinder is arranged at the top of the heightening block 13; the switch valve 14 is connected with the oil cylinder; the on-off valve handle 15 is connected to the on-off valve 14. The heightening block 13 is used for heightening the oil cylinder to enable the height of the oil cylinder to be just capable of pressing manifold products, and the types of the oil cylinder are different in height of fixed products; the switch valve 14 is used for controlling the oil cylinder oil circuit to rotate the handle back and forth to switch the oil circuit action.
The operation process is as follows: placing the manifold product air passage positioning end on the first positioning surface 11 and the second positioning surface 12, and manually pressing downwards, wherein the first positioning core tyre 2 and the second positioning core tyre 3 are tightly attached to the inner wall of the product air passage; a main compression clamp manifold product; after the machining is completed, the main compression is released, and the manifold product is taken out.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. The positioning device for the exhaust pipe drill large-area clamp is characterized by comprising a clamp body, a first positioning core tire and a second positioning core tire; the top of the clamp body is provided with a first positioning surface and a second positioning surface; the bottom of the first positioning core tire is matched with the first positioning surface; the bottom of the second positioning core tire is matched with the second positioning surface; the first positioning core tire comprises an X-direction positioning core tire, a limiting connecting rod, a first Y-direction positioning core tire, a first core tire guide sleeve, a first spring, a second spring and a nut; the X-direction positioning core tire and the first Y-direction positioning core tire are mutually vertical and are arranged in the first core tire guide sleeve; the limiting connecting rod is positioned in the center of the first core guiding sleeve, and the bottom of the limiting connecting rod penetrates through the bottom of the first core guiding sleeve to be connected with the nut; the first spring and the second spring are located within the first tire guide sleeve; the first spring is sleeved on the limiting connecting rod and matched with the first Y-direction positioning core tire; the bottom of the second spring is fixed on the first core tire guide sleeve, and the top of the second spring is matched with the X-direction positioning core tire; the second springs are located on both sides of the first spring.
2. The exhaust pipe large-area drill jig positioning device as claimed in claim 1, wherein the second positioning core tire comprises a third spring, a second Y-direction positioning core tire, a second core tire guide sleeve, a fixing block, a limit pin and a bolt; the second Y-direction positioning core tire is arranged in the second core tire guide sleeve; a limiting groove is formed in the side part of the second Y-direction positioning core tire; the second core tire guide sleeve is provided with a limiting hole corresponding to the side part of the limiting groove, and the limiting pin is laterally fixed in the limiting hole; the fixed block is fixed at the bottom of the second core tire guide sleeve; the third spring is positioned between the fixed block and the second Y-direction positioning core tire; the bolt penetrates through the fixing block and the third spring and is connected with the bottom of the second Y-direction positioning core tire.
3. The exhaust pipe driver large face fixture positioning device of claim 2, wherein the first core guide sleeve is in transition fit with the first positioning surface; the second core tire guide sleeve is in transition fit with the second positioning surface, and the fixing block is connected with the bottom surface of the fixture body through a bolt.
4. The exhaust pipe drill jig positioning device as claimed in claim 1, wherein the upper end of the limiting connecting rod is in clearance fit with the inner walls of the X-direction positioning core tire and the first Y-direction positioning core tire by 0.02-0.04mm.
5. The exhaust pipe jig positioning device as claimed in claim 2, wherein the upper side portions of the X-direction positioning core tire, the first Y-direction positioning core tire and the second Y-direction positioning core tire are provided with inclined grooves which are directed outward.
6. The exhaust pipe drill jig positioning device as claimed in claim 1, wherein a block, a switch valve and a switch valve handle are arranged at the top of the jig body; the top of the block is provided with an oil cylinder; the switch valve is connected with the oil cylinder; the switch valve handle is connected with the switch valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223223403.1U CN218657912U (en) | 2022-12-01 | 2022-12-01 | Positioning device for large-area clamp of exhaust pipe drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223223403.1U CN218657912U (en) | 2022-12-01 | 2022-12-01 | Positioning device for large-area clamp of exhaust pipe drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218657912U true CN218657912U (en) | 2023-03-21 |
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ID=85542411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223223403.1U Active CN218657912U (en) | 2022-12-01 | 2022-12-01 | Positioning device for large-area clamp of exhaust pipe drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218657912U (en) |
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2022
- 2022-12-01 CN CN202223223403.1U patent/CN218657912U/en active Active
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