CN209919779U - Copper sheathing dismounting device - Google Patents
Copper sheathing dismounting device Download PDFInfo
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- CN209919779U CN209919779U CN201920611891.2U CN201920611891U CN209919779U CN 209919779 U CN209919779 U CN 209919779U CN 201920611891 U CN201920611891 U CN 201920611891U CN 209919779 U CN209919779 U CN 209919779U
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- conical surface
- mandrel
- taper sleeve
- opening taper
- sleeve
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Abstract
A copper bush dismounting device comprises a conical surface mandrel, a nut and an opening taper sleeve, wherein threads are arranged on the outer surface of the left end of the conical surface mandrel, the nut is sleeved on the outer surface of the left end of the conical surface mandrel and is in threaded connection with the outer surface of the left end of the conical surface mandrel, the outer surface of the right end of the conical surface mandrel is a conical surface, the diameter of the right side of the conical surface mandrel is larger than that of the conical surface mandrel, and the opening taper sleeve is sleeved on the outer surface of the right end of the conical surface mandrel; the outer diameter of the opening taper sleeve is matched with the inner diameter of the copper sleeve, a tapered through hole is formed in the opening taper sleeve, the taper of the through hole in the opening taper sleeve is consistent with the taper of the conical surface at the right end of the conical surface mandrel, and more than two open grooves are formed in the periphery of the right side face of the opening taper sleeve; simple structure has improved the success rate of dismantling the blind hole copper sheathing greatly, reduces artifical intensity of labour, and convenient and fast improves production efficiency.
Description
Technical Field
The utility model belongs to the technical field of extracting tool technique and specifically relates to a copper sheathing dismounting device is related to.
Background
On some parts with higher processing cost, designers often design a copper sleeve at a part which is easy to wear so as to ensure that only the copper sleeve needs to be replaced after the parts are worn, and the whole parts are not damaged or scrapped. The design concept is utilized in the design of a certain working roller, a counter bore is arranged at the opening part of a threaded hole at two ends of the working roller, and a copper sleeve is arranged in the counter bore; when the working roll surface is repaired, the copper sleeve needs to be taken down, although the copper sleeve is in transition fit with the mounting hole, the copper sleeve is difficult to disassemble or even cannot be disassembled due to no stress point, and therefore the production efficiency is low.
Disclosure of Invention
The utility model aims to overcome the above-mentioned not enough of prior art and provide a copper sheathing dismounting device, simple structure has improved the success rate of dismantling the blind hole copper sheathing greatly, reduces artificial intensity of labour, and convenient and fast improves production efficiency.
The technical scheme of the utility model is that: the utility model provides a copper sheathing dismounting device which characterized in that: the nut is sleeved on the outer surface of the left end of the conical surface mandrel and is in threaded connection with the outer surface of the left end of the conical surface mandrel, the outer surface of the right end of the conical surface mandrel is a conical surface, the diameter of the right side of the conical surface mandrel is larger than that of the conical surface mandrel, and the opening taper sleeve is sleeved on the outer surface of the right end of the conical surface mandrel;
the opening taper sleeve is characterized in that the outer diameter of the opening taper sleeve is matched with the inner diameter of the copper sleeve, a conical through hole is formed in the opening taper sleeve, the taper size of the through hole in the opening taper sleeve is consistent with the taper of the conical surface at the right end of the conical surface mandrel, and more than two open grooves are formed in the periphery of the right side face of the opening taper sleeve.
Four open slots are arranged on the periphery of the right side face of the open taper sleeve.
The four open grooves are uniformly distributed on the periphery of the right side surface of the open taper sleeve.
And knurling is arranged on the outer circular surface of the opening taper sleeve.
The left side surface of the conical surface mandrel is also provided with a bulge, the bulge is provided with a hole for pulling out the whole copper bush dismounting device, and the hole penetrates through the upper surface and the lower surface of the bulge.
The protrusion is a square.
And the outer surface of the left end of the conical surface mandrel is sleeved with a gasket, and the gasket is positioned between the nut and the opening taper sleeve.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model sets the inner hole of the opening taper sleeve and the right end of the conical mandrel into the inverted conical surfaces which are matched with each other, and the periphery of the right end surface of the opening taper sleeve is provided with more than two open slots, and the nut assembled on the conical mandrel is locked in a rotating way, so that the rear conical mandrel moves leftwards, and the right end of the opening taper sleeve expands under the extrusion of the conical mandrel and forms friction force with the copper sleeve, thereby being beneficial to applying tension force; the utility model discloses improved the success rate of dismantling blind hole copper sheathing greatly, reduced artificial intensity of labour, convenient and fast improves production efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a split taper sleeve configuration;
FIG. 3 is a front view of an open cone;
in the figure: 1. a conical mandrel; 2. a nut; 3. a gasket; 4. opening taper sleeves; 5 copper sleeve.
Detailed Description
The technical solution in the embodiments of the present invention will now be clearly and completely described with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the present invention.
According to the figure 1, the utility model comprises a conical surface mandrel 1, a nut 2 and an opening taper sleeve 4, wherein the outer surface of the left end of the conical surface mandrel 1 is provided with threads and is provided with the nut 2 and a gasket 3, the nut 2 is in threaded connection with the outer surface of the left end of the conical surface mandrel 1, and the gasket 3 is positioned between the nut 2 and the opening taper sleeve 4; the outer surface of the right end of the conical surface mandrel 1 is a conical surface, the diameter of the right side of the conical surface mandrel 1 is larger than that of the conical surface mandrel 1, and the opening taper sleeve 4 is sleeved on the outer surface of the right end of the conical surface mandrel 1; the outer diameter of the opening taper sleeve 4 is matched with the inner diameter of the copper sleeve 5, the nut 2 is guaranteed to be smoothly installed in the copper sleeve 5 before being locked, a tapered through hole is formed in the opening taper sleeve 4, the taper of the through hole in the opening taper sleeve 4 is consistent with the taper of the conical surface at the right end of the conical surface mandrel 1, and more than two open grooves are formed in the periphery of the right side face of the opening taper sleeve 4; furthermore, a bulge is further arranged on the left side surface of the conical surface mandrel 1, a hole for pulling out the whole copper bush dismounting device is formed in the bulge, the hole penetrates through the upper surface and the lower surface of the bulge, and the bulge is a square body.
As shown in fig. 2-3, four open grooves are formed in the periphery of the right side surface of the open taper sleeve 4, and are uniformly distributed on the periphery of the right side surface of the open taper sleeve 4, the right end of the open taper sleeve 4 is divided into four equally divided parts, and the nut 2 assembled on the conical surface mandrel 1 is rotated and locked to make the rear conical surface mandrel 1 move leftwards, so that the four parts at the right end of the open taper sleeve 4 expand under the extrusion of the conical surface mandrel 1 and are in close contact with the copper sleeve 5 to form friction force, thereby being beneficial to applying tension; furthermore, the outer circular surface of the opening taper sleeve 4 is provided with knurls.
When the conical surface mandrel is used, firstly, the conical surface mandrel 1 is sleeved with the opening taper sleeve 4, the gasket 3 and the nut 2 from right to left in sequence, then the right end of the conical surface mandrel 1 sleeved with the opening taper sleeve 4 is deeply inserted into the copper sleeve 5 in the counter bore, and then the nut 2 is locked to rotate, in the process, the conical surface mandrel 1 moves leftwards, so that the right end of the opening taper sleeve 4 is expanded under the extrusion of the conical surface mandrel 1, and forms friction force with the copper sleeve, thereby being beneficial to applying tension, and then external force is applied to the bulge on the left side surface of the conical surface mandrel 1, so that the copper sleeve 5 is pulled out along with the copper sleeve dismounting device; the utility model discloses improved the success rate of dismantling blind hole copper sheathing greatly, reduced artificial intensity of labour, convenient and fast improves production efficiency.
Claims (7)
1. The utility model provides a copper sheathing dismounting device which characterized in that: the opening taper sleeve is characterized by comprising a conical surface mandrel (1), a nut (2) and an opening taper sleeve (4), wherein threads are arranged on the outer surface of the left end of the conical surface mandrel (1), the nut (2) is sleeved on the outer surface of the left end of the conical surface mandrel (1) and is in threaded connection with the outer surface of the left end of the conical surface mandrel (1), the outer surface of the right end of the conical surface mandrel (1) is a conical surface, the diameter of the right side surface of the conical surface mandrel (1) is larger than that of the conical surface mandrel (1), and the opening taper sleeve (4) is sleeved on the outer surface of the right end;
the opening taper sleeve is characterized in that the outer diameter of the opening taper sleeve (4) is matched with the inner diameter of the copper sleeve (5), a conical through hole is formed in the opening taper sleeve (4), the taper size of the through hole in the opening taper sleeve (4) is consistent with the taper of the conical surface of the right end of the conical surface mandrel (1), and more than two open grooves are formed in the periphery of the right side face of the opening taper sleeve (4).
2. The copper bush dismounting device according to claim 1, characterized in that: four open grooves are formed in the periphery of the right side face of the opening taper sleeve (4).
3. The copper bush dismounting device according to claim 2, characterized in that: the four open grooves are uniformly distributed on the periphery of the right side surface of the open taper sleeve (4).
4. The copper bush dismounting device according to claim 1, characterized in that: and knurls are arranged on the outer circular surface of the opening taper sleeve (4).
5. The copper bush dismounting device according to claim 1, characterized in that: the left side surface of the conical surface mandrel (1) is also provided with a bulge, the bulge is provided with a hole for pulling out the whole copper bush dismounting device outwards, and the hole penetrates through the upper surface and the lower surface of the bulge.
6. The copper bush dismounting device according to claim 5, characterized in that: the protrusion is a square.
7. The copper bush dismounting device according to claim 1, characterized in that: the outer surface of the left end of the conical surface mandrel (1) is further sleeved with a gasket (3), and the gasket (3) is located between the nut (2) and the opening taper sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920611891.2U CN209919779U (en) | 2019-04-30 | 2019-04-30 | Copper sheathing dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920611891.2U CN209919779U (en) | 2019-04-30 | 2019-04-30 | Copper sheathing dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209919779U true CN209919779U (en) | 2020-01-10 |
Family
ID=69089213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920611891.2U Active CN209919779U (en) | 2019-04-30 | 2019-04-30 | Copper sheathing dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209919779U (en) |
-
2019
- 2019-04-30 CN CN201920611891.2U patent/CN209919779U/en active Active
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