CN212635622U - Adjustable flat key press-fitting tool for three-cylinder crankshaft and four-cylinder crankshaft - Google Patents
Adjustable flat key press-fitting tool for three-cylinder crankshaft and four-cylinder crankshaft Download PDFInfo
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- CN212635622U CN212635622U CN202021163126.8U CN202021163126U CN212635622U CN 212635622 U CN212635622 U CN 212635622U CN 202021163126 U CN202021163126 U CN 202021163126U CN 212635622 U CN212635622 U CN 212635622U
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- cylinder crankshaft
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Abstract
The utility model discloses a flat key press fitting tool for an adjustable three-cylinder crankshaft and a four-cylinder crankshaft, wherein a right end supporting block is fixed in the middle of the upper end surface of a workbench; a left end supporting block is fixed at the left end of the upper end surface of the workbench; a central supporting block is fixed on the upper end surface of the workbench; a plurality of first auxiliary supporting blocks and second auxiliary supporting blocks are fixed on the upper end face of the workbench; the flat key press-fitting unit comprises a movable seat plate; the movable seat plate moves left and right and is arranged at the right end of the upper end surface of the workbench; a press mounting seat is fixed on the movable seat plate; a through hole which is penetrated left and right and is used for a front end shaft of the crankshaft to penetrate is formed at the lower part of the press mounting seat; left and right avoidance holes which are penetrated left and right and are used for flat keys to penetrate are formed at the upper end of the cylindrical surface penetrating through the through hole; a vertical moving groove is formed at the upper end of the cylindrical surface penetrating through the through hole; a pressure head is vertically arranged in the vertical moving groove in a moving mode; the utility model has the advantages that: the crankshaft flat key can be quickly and accurately pressed in place, burrs are not generated, the precision is guaranteed, and the production beat is guaranteed.
Description
Technical Field
The utility model relates to a technical field that the engine was made, concretely relates to three-cylinder bent axle and four-cylinder bent axle's parallel key pressure equipment frock with adjustable.
Background
Along with the development of the engine industry in China, the assembly requirement of a diesel engine is higher and higher, burrs can be generated when an original crankshaft flat key is pressed by a hammer, the assembly efficiency is poor, the production beat is influenced, and finally the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flat key pressure equipment frock of three jar bent axles and four jar bent axles with adjustable to current flat key assembly mode effect is poor and technical problem that production efficiency is low.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a flat key press-fitting tool for an adjustable three-cylinder crankshaft and a four-cylinder crankshaft comprises a workbench and a flat key press-fitting unit; a plurality of supporting legs which are uniformly distributed are arranged on the bottom surface of the workbench; a right end supporting block is fixed in the middle of the upper end face of the workbench; a left end supporting block is fixed at the left end of the upper end surface of the workbench; a central supporting block is fixed on the upper end surface of the workbench and is positioned between the right end supporting block and the left end supporting block; a semi-cylindrical groove for placing a front end shaft of the crankshaft is formed in the upper end face of the right end supporting block; a semi-cylindrical groove for placing a rear end shaft of the crankshaft is formed on the upper end surface of the left end supporting block; a semi-cylindrical groove for placing a crank journal of a crank is formed on the upper end surface of the central supporting block; a plurality of first auxiliary supporting blocks and second auxiliary supporting blocks are fixed on the upper end face of the workbench; the first auxiliary supporting block and the second auxiliary supporting block are used for supporting a connecting journal of the crank; the flat key press-fitting unit comprises a movable seat plate; the movable seat plate moves left and right and is arranged at the right end of the upper end surface of the workbench; a press mounting seat is fixed on the movable seat plate; a through hole which is penetrated left and right and is used for a front end shaft of the crankshaft to penetrate is formed at the lower part of the press mounting seat; left and right avoidance holes which are penetrated left and right and are used for flat keys to penetrate are formed at the upper end of the cylindrical surface penetrating through the through hole; a vertical moving groove is formed at the upper end of the cylindrical surface penetrating through the through hole; the vertical moving groove is internally provided with a pressure head in a vertical moving way.
Preferably, the upper end surface of the press mounting seat is formed with a swinging avoidance groove which penetrates through the press mounting seat from front to back; a press-fitting cam is rotatably arranged between the left side wall and the right side wall of the swing avoidance groove; the pressure head is vertically and elastically arranged in the vertical moving groove in a moving way; the upper end of the pressure head abuts against the surface of the press-fitting cam; the front end of the pressure head is fixed with a pressure handle.
Preferably, a spring placing groove is formed at the upper part of the vertical moving groove; the upper end of the pressure head is formed with a spring connecting part matched with the spring placing groove; a pressing pressure spring is sleeved on the pressure head; the upper end of the press-fitting pressure spring is fixed on the spring connecting part, and the lower end of the press-fitting pressure spring is fixed on the bottom surface of the spring accommodating groove.
Preferably, the outer end of the press-fitting handle is provided with a handle sleeve.
Preferably, a pair of left and right slide rails which are symmetrically arranged in front and back are fixed at the right end of the upper end surface of the workbench; a pair of left and right sliding blocks which are symmetrically arranged in front and back and matched with the left and right sliding rails are formed on the bottom surface of the movable seat plate.
Preferably, the bottom surfaces of the left and right sliders are formed with left and right isosceles trapezoid-shaped guide grooves which penetrate through the left and right sliders and are wide at the top and narrow at the bottom; the upper parts of the left and right slide rails are matched with the left and right guide grooves.
Preferably, the right part of the movable seat plate vertically penetrates through and is fixed with a guide sleeve; the upper part of the guide sleeve is in threaded connection with an adjusting shaft, and the lower part of the guide sleeve is vertically provided with a telescopic shaft in a telescopic way; a limiting pressure spring is fixed on the upper end surface of the telescopic shaft; the upper end of the limiting pressure spring is fixed on the lower end surface of the adjusting shaft; the lower end of the telescopic shaft is rotatably provided with a deep groove ball bearing; a linear driving groove is formed on the upper end surface of the adjusting shaft; a guide plate arranged in the left-right direction is fixed at the right end of the upper end surface of the workbench and is positioned between a pair of front, rear, left and right slide rails; the deep groove ball bearing abuts against the upper end face of the guide plate.
Preferably, a movable handle is fixed to a front end surface of the movable seat plate.
The beneficial effects of the utility model reside in that: the crankshaft flat key can be quickly and accurately pressed in place, burrs are not generated, the precision is guaranteed, and the production beat is guaranteed.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
fig. 3 is a structural schematic diagram of the flat key press-fitting unit 20 according to the present invention;
fig. 4 is a schematic structural view of the cross section a-a of fig. 3 according to the present invention;
in the figure, 10, a workbench; 11. supporting legs; 12. a right end supporting block; 13. a central support block; 14. a left end support block; 15. a first auxiliary support block; 16. a second auxiliary support block; 17. a left and a right slide rail; 18. a guide plate; 20. a flat key press-fitting unit; 21. moving the seat plate; 211. moving the handle; 212. a left slide block and a right slide block; 22. a press mounting seat; 220. swinging the avoidance groove; 221. a spring placing groove; 222. a vertical moving groove; 223. penetrating through the through hole; 224. left and right avoidance holes; 23. pressing a cam; 24. pressing the handle; 241. a handle cover; 25. a pressure head; 26. pressing a pressure spring; 27. a guide sleeve; 271. a limiting pressure spring; 28. an adjustment shaft; 29. a telescopic shaft; 291. provided is a deep groove ball bearing.
Detailed Description
As shown in fig. 1 to 4, the flat key press-fitting tool for the adjustable three-cylinder crankshaft and four-cylinder crankshaft comprises a workbench 10 and a flat key press-fitting unit 20; a plurality of supporting legs 11 which are uniformly distributed are arranged on the bottom surface of the workbench 10; a right end supporting block 12 is fixed in the middle of the upper end surface of the workbench 10; a left end supporting block 14 is fixed at the left end of the upper end surface of the workbench 10; a central supporting block 13 is fixed on the upper end surface of the workbench 10, and the central supporting block 13 is positioned between the right end supporting block 12 and the left end supporting block 14; a semi-cylindrical groove for placing a front end shaft of the crankshaft is formed on the upper end surface of the right end supporting block 12; a semi-cylindrical groove for placing a rear end shaft of the crankshaft is formed on the upper end surface of the left end supporting block 14; a semi-cylindrical groove for placing a crank journal of a crank is formed on the upper end surface of the central supporting block 13; a plurality of first auxiliary supporting blocks 15 and second auxiliary supporting blocks 16 are fixed on the upper end surface of the workbench 10; the first auxiliary support block 15 and the second auxiliary support block 16 are used for supporting the connecting journal of the crank; the flat key press-fitting unit 20 includes a movable seat plate 21; the movable seat plate 21 is arranged at the right end of the upper end surface of the workbench 10 in a left-right movement manner; a press-fitting seat 22 is fixed on the movable seat plate 21; a through hole 223 which is penetrated left and right and is used for the front end shaft of the crankshaft to penetrate is formed at the lower part of the press mounting seat 22; left and right avoidance holes 224 which are penetrated left and right and are used for flat keys to penetrate are formed at the upper end of the cylindrical surface penetrating through the through hole 223; a vertical moving groove 222 is formed at the upper end of the cylindrical surface penetrating the through hole 223; the ram 25 is vertically movably disposed in the vertical moving groove 222.
As shown in fig. 1 to 4, a swing avoiding groove 220 penetrating forward and backward is formed on the upper end surface of the press-fitting seat 22; a press-fitting cam 23 is rotatably provided between the left and right side walls of the swing escape groove 220; the pressing head 25 is vertically and elastically arranged in the vertical moving groove 222; the upper end of the pressing head 25 abuts against the surface of the press-fitting cam 23; the front end of the pressure head 25 is fixed with a press handle 24.
As shown in fig. 4, a spring seating groove 221 is formed at an upper portion of the vertical moving groove 222; a spring connecting part matched with the spring placing groove 221 is formed at the upper end of the pressure head 25; a pressure head 25 is sleeved with a press-fitting pressure spring 26; the upper end of the press-fitting pressure spring 26 is fixed to the spring connecting portion, and the lower end thereof is fixed to the bottom surface of the spring seating groove 221.
As shown in fig. 1 to 3, a handle cover 241 is provided at the outer end of the press-fitting handle 24.
As shown in fig. 1 to 4, a pair of left and right slide rails 17 symmetrically arranged in front and back are fixed at the right end of the upper end surface of the workbench 10; a pair of left and right sliders 212 which are symmetrically arranged in front and back and are matched with the left and right slide rails 17 are formed on the bottom surface of the movable seat plate 21.
As shown in fig. 1 and 3, the bottom surfaces of the left and right sliders 212 are formed with left and right isosceles trapezoid-shaped guide grooves which are left and right through and wide in top and narrow in bottom; the upper parts of the left and right slide rails 17 are matched with the left and right guide grooves.
As shown in fig. 1 to 4, a guide sleeve 27 vertically penetrates and is fixed to the right portion of the movable seat plate 21; the upper part of the guide sleeve 27 is in threaded connection with an adjusting shaft 28, and the lower part of the guide sleeve is vertically provided with a telescopic shaft 29 in a telescopic manner; a limiting pressure spring 271 is fixed on the upper end surface of the telescopic shaft 29; the upper end of the limiting compression spring 271 is fixed on the lower end surface of the adjusting shaft 28; the lower end of the telescopic shaft 29 is rotatably provided with a deep groove ball bearing 291; a linear driving groove is formed on the upper end surface of the adjusting shaft 28; a guide plate 18 arranged in the left-right direction is fixed at the right end of the upper end surface of the workbench 10, and the guide plate 18 is positioned between a pair of front, rear, left and right slide rails 17; the deep groove ball bearing 291 abuts against the upper end surface of the guide plate 18.
As shown in fig. 1 to 3, a moving handle 211 is fixed to a front end surface of the moving seat plate 21.
The working principle of the adjustable flat key press-fitting tool for the three-cylinder crankshaft and the four-cylinder crankshaft is that the four-cylinder crankshaft is connected with the four-cylinder crankshaft;
during operation, a crankshaft is placed on the right end supporting block 12, the center supporting block 13 and the left end supporting block 14, the crankshaft is positioned through the first auxiliary supporting blocks 15 and the second auxiliary supporting blocks 16, then a flat key is roughly positioned and placed in a key groove of the crankshaft, then the flat key press-mounting unit 20 moves leftwards, so that the press head 25 is positioned right above the flat key, finally the press-mounting cam 23 is driven to rotate through the press-mounting handle 24, and the press head 25 is driven to descend by the press-mounting cam 23, so that the flat key is pressed into the key groove of the crankshaft;
therefore, the flat key of the crankshaft can be quickly and accurately pressed in place, burrs are not generated, the precision is guaranteed, and the production beat is guaranteed.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (8)
1. The utility model provides a three-cylinder crankshaft and four-cylinder crankshaft's parallel key pressure equipment frock with adjustable, its characterized in that: comprises a workbench (10) and a flat key press-fitting unit (20); a plurality of supporting legs (11) which are uniformly distributed are arranged on the bottom surface of the workbench (10); a right end supporting block (12) is fixed in the middle of the upper end surface of the workbench (10); a left end supporting block (14) is fixed at the left end of the upper end surface of the workbench (10); a central supporting block (13) is fixed on the upper end face of the workbench (10), and the central supporting block (13) is positioned between the right end supporting block (12) and the left end supporting block (14); a semi-cylindrical groove for placing a front end shaft of the crankshaft is formed on the upper end surface of the right end supporting block (12); a semi-cylindrical groove for placing a rear end shaft of the crankshaft is formed on the upper end surface of the left end supporting block (14); a semi-cylindrical groove for placing a crank shaft neck of a crank is formed on the upper end surface of the central supporting block (13); a plurality of first auxiliary supporting blocks (15) and second auxiliary supporting blocks (16) are fixed on the upper end surface of the workbench (10); the first auxiliary supporting block (15) and the second auxiliary supporting block (16) are used for supporting a connecting journal of the crank; the flat key press-fitting unit (20) comprises a movable seat plate (21); the movable seat plate (21) is arranged at the right end of the upper end surface of the workbench (10) in a left-right movement manner; a press-fitting seat (22) is fixed on the movable seat plate (21); a through hole (223) which is penetrated left and right and is used for the front end shaft of the crankshaft to pass through is formed at the lower part of the press-fitting seat (22); left and right avoidance holes (224) which are penetrated left and right and are used for flat keys to penetrate are formed at the upper end of the cylindrical surface penetrating through the through hole (223); a vertical moving groove (222) is formed at the upper end of the cylindrical surface penetrating through the through hole (223); a pressure head (25) is vertically arranged in the vertical moving groove (222) in a moving mode.
2. The flat key press fitting tool for the three-cylinder crankshaft and the four-cylinder crankshaft, which can be adjusted, according to claim 1, is characterized in that: a swing avoidance groove (220) which penetrates through the upper end surface of the press mounting seat (22) from front to back is formed on the upper end surface of the press mounting seat; a press-fitting cam (23) is rotatably arranged between the left side wall and the right side wall of the swing avoidance groove (220); the pressure head (25) is vertically and elastically arranged in the vertical moving groove (222); the upper end of the pressure head (25) abuts against the surface of the press-fitting cam (23); the front end of the pressure head (25) is fixed with a pressing handle (24).
3. The flat key press fitting tool for the three-cylinder crankshaft and the four-cylinder crankshaft, which can be adjusted, according to claim 2, is characterized in that: a spring placing groove (221) is formed at the upper part of the vertical moving groove (222); a spring connecting part matched with the spring placing groove (221) is formed at the upper end of the pressure head (25); a pressing pressure spring (26) is sleeved on the pressure head (25); the upper end of the press-fitting pressure spring (26) is fixed on the spring connecting part, and the lower end is fixed on the bottom surface of the spring placing groove (221).
4. The flat key press fitting tool for the three-cylinder crankshaft and the four-cylinder crankshaft, which can be adjusted, according to claim 2, is characterized in that: the outer side end of the press-fitting handle (24) is provided with a handle sleeve (241).
5. The flat key press fitting tool for the three-cylinder crankshaft and the four-cylinder crankshaft, which can be adjusted, according to claim 1, is characterized in that: a pair of left and right slide rails (17) which are symmetrically arranged in front and back are fixed at the right end of the upper end surface of the workbench (10); a pair of left and right sliders (212) which are symmetrically arranged in front and back and matched with the left and right slide rails (17) are formed on the bottom surface of the movable seat plate (21).
6. The flat key press fitting tool for the three-cylinder crankshaft and the four-cylinder crankshaft, which can be adjusted, according to claim 5, is characterized in that: the bottom surfaces of the left and right sliding blocks (212) are formed with left and right through isosceles trapezoid-shaped left and right guide grooves which are wide at the top and narrow at the bottom; the upper parts of the left and right slide rails (17) are matched with the left and right guide grooves.
7. The flat key press fitting tool for the three-cylinder crankshaft and the four-cylinder crankshaft, which can be adjusted, according to claim 5 or 6, is characterized in that: the right part of the movable seat plate (21) vertically penetrates through and is fixed with a guide sleeve (27); the upper part of the guide sleeve (27) is screwed with an adjusting shaft (28), and the lower part is vertically provided with a telescopic shaft (29) in a telescopic way; a limiting pressure spring (271) is fixed on the upper end surface of the telescopic shaft (29); the upper end of the limiting compression spring (271) is fixed on the lower end surface of the adjusting shaft (28); the lower end of the telescopic shaft (29) is rotatably provided with a deep groove ball bearing (291); a linear driving groove is formed on the upper end surface of the adjusting shaft (28); a guide plate (18) arranged in the left-right direction is fixed at the right end of the upper end face of the workbench (10), and the guide plate (18) is positioned between a pair of front, rear, left and right slide rails (17); the deep groove ball bearing (291) abuts against the upper end face of the guide plate (18).
8. The flat key press fitting tool for the three-cylinder crankshaft and the four-cylinder crankshaft, which can be adjusted, according to claim 5, is characterized in that: a moving handle (211) is fixed on the front end surface of the moving seat plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163126.8U CN212635622U (en) | 2020-06-22 | 2020-06-22 | Adjustable flat key press-fitting tool for three-cylinder crankshaft and four-cylinder crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021163126.8U CN212635622U (en) | 2020-06-22 | 2020-06-22 | Adjustable flat key press-fitting tool for three-cylinder crankshaft and four-cylinder crankshaft |
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| Publication Number | Publication Date |
|---|---|
| CN212635622U true CN212635622U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021163126.8U Active CN212635622U (en) | 2020-06-22 | 2020-06-22 | Adjustable flat key press-fitting tool for three-cylinder crankshaft and four-cylinder crankshaft |
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| CN (1) | CN212635622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478259A (en) * | 2021-07-20 | 2021-10-08 | 广州市德奥模具有限公司 | Multi-station crankshaft jig and assembling method of crankshaft assembly |
-
2020
- 2020-06-22 CN CN202021163126.8U patent/CN212635622U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478259A (en) * | 2021-07-20 | 2021-10-08 | 广州市德奥模具有限公司 | Multi-station crankshaft jig and assembling method of crankshaft assembly |
| CN113478259B (en) * | 2021-07-20 | 2022-04-22 | 广州市德奥模具有限公司 | Multi-station crankshaft jig and assembling method of crankshaft assembly |
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