CN209850015U - Pushing tool for shaft bushing hole of starter end cover - Google Patents
Pushing tool for shaft bushing hole of starter end cover Download PDFInfo
- Publication number
- CN209850015U CN209850015U CN201920212004.4U CN201920212004U CN209850015U CN 209850015 U CN209850015 U CN 209850015U CN 201920212004 U CN201920212004 U CN 201920212004U CN 209850015 U CN209850015 U CN 209850015U
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- China
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- hole
- push broach
- end cover
- section
- tool body
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model provides a push cutting tool for a shaft bushing hole of a starter end cover, which comprises a tool body and a push broach, wherein the middle part of the tool body is provided with a notch; the top of the tool body is inwards sunken to form an accommodating part, a first through hole is formed in the center of the bottom surface of the accommodating part, and the side wall of the notch exceeds the side wall of the first through hole; the lower part of the push broach is provided with a cutting section, and when the push broach is in a working state, the lower part of the push broach extends into the first through hole. The utility model discloses simple structure, novelty, convenient operation, the steady quality is reliable, and work efficiency is high.
Description
[ technical field ] A method for producing a semiconductor device
The utility model particularly relates to a frock is cut to pushing away of starter end cover bush hole.
[ background of the invention ]
Starter cover 200 includes cover body 201 and bushing 202 (shown in fig. 1), and since the shaft of the rotor runs at high speed in bushing 202 during operation, it must satisfy:
1. the size precision and the roughness of the inner hole of the bushing 202 meet the design requirements;
2. the coaxiality of the inner hole of the bushing 202 and the inner spigot 2011 of the end cover body 201 requires.
The material of the bushing 202 is copper-based oil-containing powder metallurgy, the bushing 202 and the end cover body 201 are in interference fit, the material hardness of the bushing 202 is low, and after the bushing 202 is pressed into the end cover body 201, the inner hole of the bushing 202 is easy to shrink, so that one-step push-cutting processing is needed for the inner hole of the bushing 202.
[ Utility model ] content
For overcoming the defect that existing equipment exists, the utility model provides a frock is cut in pushing away of starter end cover bush hole.
The utility model discloses a realize like this: a push cutting tool for a shaft bushing hole of a starter end cover comprises a tool body and a push broach, wherein a notch is formed in the middle of the tool body; the top of the tool body is inwards sunken to form an accommodating part, a first through hole is formed in the center of the bottom surface of the accommodating part, and the side wall of the notch exceeds the side wall of the first through hole; the lower part of the push broach is provided with a cutting section, and when the push broach is in a working state, the lower part of the push broach extends into the first through hole.
Preferably, the push broach is also provided with a front guide section, a calibration section and a handle section, and the front guide section, the cutting section, the calibration section and the handle section are arranged in sequence from bottom to top.
Preferably, a second through hole is formed in the center of the bottom of the tool body, and when the push broach passes through the first through hole, the push broach falls into the second through hole.
Preferably, a sponge pad is arranged in the second through hole.
Preferably, the push broach further comprises a positioning piece, a central hole is formed in the center of the positioning piece, and the positioning piece is sleeved in the push broach through the central hole.
Preferably, the positioning member is circular, and the outer edge of the positioning member is recessed inwards to form four notches.
The utility model has the advantages that: simple structure, novelty, convenient operation, stable and reliable quality and high working efficiency.
[ description of the drawings ]
The invention will be further described with reference to the following examples with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a starter cover in the prior art.
Fig. 2 is a schematic view of a first usage state of the push cutting tool for a shaft bushing hole of a starter end cover of the present invention.
Fig. 3 is a schematic view of a second usage state of the push cutting tool for a shaft bushing hole of a starter end cover according to the present invention.
Fig. 4 is a schematic structural view of the middle tool body of the present invention.
Fig. 5 is a schematic structural view of the middle push broach according to the present invention.
Fig. 6 is a schematic structural view of the positioning member of the present invention.
[ detailed description ] embodiments
Referring to fig. 2 and 5, a push cutting tool for a shaft bushing hole of a starter end cover comprises a tool body 1, a push broach 2 and a positioning member 3, wherein a notch 11 is formed in the middle of the tool body 1; the top of the tool body 1 is recessed inwards to form a containing part 12, a first through hole 13 is arranged at the center of the bottom surface of the containing part 12, and the side wall 111 of the notch 11 exceeds the side wall 131 of the first through hole 13; the lower part of the push broach 2 is provided with a cutting section 21, and when in the working state, the lower part of the push broach 2 extends into the first through hole 13. The push broach 2 further has a front guide section 22, a calibration section 23 and a handle section 24, and the front guide section 22, the cutting section 21, the calibration section 23 and the handle section 24 are sequentially arranged from bottom to top.
Referring to fig. 2-4, a second through hole 14 is formed in the center of the bottom of the tool body 1, and when the push broach 2 passes through the first through hole 13, the push broach falls into the second through hole 14. The second through hole 14 is internally provided with a spongy cushion 4 which is used for preventing the push broach 2 from impacting and bouncing when falling. The height of the notch 11, the height h from the bottom plane of the tool body 1 to the notch 11 and the diameter of the second through hole 14 are scientifically and reasonably designed, so that the push broach 2 can naturally and stably stand in the second through hole 14 in an inclined mode after falling down, and can be conveniently taken out to process the next workpiece.
Referring to fig. 5-6, a center hole 31 is formed in the center of the positioning member 3, and the positioning member 3 is sleeved in the push broach 2 through the center hole 31, i.e., sleeved on the handle section 24 of the push broach 2, so as to vertically position the push broach 2 during the push cutting operation. The positioning member 3 is circular, and the outer edge of the positioning member 3 is recessed inwards to form four notches 32, so that the positioning member 3 can be conveniently grabbed by fingers when being loaded or taken out. The outer edge of the back of the positioning piece 3 is annularly provided with an arc-shaped inclined plane 33, so that the outer circle of the positioning piece 3 is matched with the inner spigot 2011 of the end cover body 201, and when the positioning piece 3 works, the positioning piece 3 is arranged in the end cover body 201, and the outer circle of the positioning piece 3 is clamped in the inner spigot 2011.
Referring to fig. 2-3 again, when the present invention is applied, the operation steps are as follows:
(1) bolts penetrate through two through holes 15 on the lower plane of the notch 11 of the tool body 1, and the tool body 1 is fixed on a workbench right below a piston rod 300 of the pneumatic press.
(2) The front end face 2014 of the starter end cover 200 is inserted downwards into the accommodating part 12 at the top of the tool body 1, then the front guide section 22 of the push broach 2 is inserted downwards into the inner hole of the bushing 202, the central hole 31 of the positioning member 3 is sleeved into the handle section 24 of the push broach 2, and meanwhile, the outer circle of the positioning member 3 falls into the inner spigot 2011 of the end cover body 201.
(3) And starting the pneumatic press, descending a piston rod 300 of the pneumatic press to push the push broach 2 to move downwards, cutting the inner hole of the bushing 202 by the cutting edges of the cutting section 21 and the calibration section 23 of the push broach 2, naturally dropping the push broach 2 when the cutting is finished, stably and obliquely standing in the second through hole 14, and finishing the push-cutting work of the inner hole of the bushing 202.
The utility model has the advantages of it is following: simple structure, novelty, convenient operation, stable and reliable quality and high working efficiency.
Claims (6)
1. The utility model provides a frock is cut to pushing away of starter end cover bush hole which characterized in that: the tool comprises a tool body and a push broach, wherein a notch is formed in the middle of the tool body; the top of the tool body is inwards sunken to form an accommodating part, a first through hole is formed in the center of the bottom surface of the accommodating part, and the side wall of the notch exceeds the side wall of the first through hole; the lower part of the push broach is provided with a cutting section, and when the push broach is in a working state, the lower part of the push broach extends into the first through hole.
2. The thrust cutting tool for the bushing hole of the starter end cover of claim 1, wherein: the push broach still has preceding section, calibration section and stalk portion section, just preceding section, cutting section, calibration section and stalk portion section set gradually from supreme down.
3. The thrust cutting tool for the bushing hole of the starter end cover of claim 1, wherein: and a second through hole is formed in the center of the bottom of the tool body, and when the push broach passes through the first through hole, the push broach falls into the second through hole.
4. The thrust cutting tool for the bushing hole of the starter end cover as claimed in claim 3, wherein: a spongy cushion is arranged in the second through hole.
5. The thrust cutting tool for the bushing hole of the starter end cover of claim 1, wherein: the positioning device is characterized by further comprising a positioning piece, a center hole is formed in the center of the positioning piece, and the positioning piece is sleeved into the push broach through the center hole.
6. The thrust cutting tool for the bushing hole of the starter end cover as claimed in claim 5, wherein: the positioning piece is circular, and the outer edge of the positioning piece is inwards sunken to form four notches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212004.4U CN209850015U (en) | 2019-02-18 | 2019-02-18 | Pushing tool for shaft bushing hole of starter end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920212004.4U CN209850015U (en) | 2019-02-18 | 2019-02-18 | Pushing tool for shaft bushing hole of starter end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209850015U true CN209850015U (en) | 2019-12-27 |
Family
ID=68931791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920212004.4U Active CN209850015U (en) | 2019-02-18 | 2019-02-18 | Pushing tool for shaft bushing hole of starter end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209850015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759647A (en) * | 2019-02-18 | 2019-05-17 | 福建永强力加动力设备有限公司 | A kind of broaching tooling in starter end cap bushing hole |
-
2019
- 2019-02-18 CN CN201920212004.4U patent/CN209850015U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759647A (en) * | 2019-02-18 | 2019-05-17 | 福建永强力加动力设备有限公司 | A kind of broaching tooling in starter end cap bushing hole |
| CN109759647B (en) * | 2019-02-18 | 2024-02-06 | 福建永强力加动力设备有限公司 | Pushing tool for shaft bushing hole of starter end cover |
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