CN216882766U - Crankshaft turning and positioning tool - Google Patents
Crankshaft turning and positioning tool Download PDFInfo
- Publication number
- CN216882766U CN216882766U CN202123297152.7U CN202123297152U CN216882766U CN 216882766 U CN216882766 U CN 216882766U CN 202123297152 U CN202123297152 U CN 202123297152U CN 216882766 U CN216882766 U CN 216882766U
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- crankshaft
- fixing
- positioning tool
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- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Turning (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model provides a crankshaft turning positioning tool which comprises a fixing part and a moving part, wherein a fixing disc is arranged at one end of the fixing part, and side plates are vertically arranged on two sides of the end part of the fixing part, which deviates from the fixing disc; a positioning pin is horizontally arranged between the two side plates, a positioning through hole is horizontally arranged at the rear end of the moving part, and the positioning through hole is matched and connected with the positioning pin; the upper end of the fixing part is provided with scale marks, and the two side plates are also provided with adjusting screws. The center of the moving part and the center of the fixed part are deviated through the adjusting screw rod, the moving distance of the moving part can be accurately marked through the scale marks, and the device is simple in structure and easy to operate.
Description
Technical Field
The utility model relates to the technical field of auxiliary equipment for crankshaft machining, in particular to a crankshaft turning and positioning tool.
Background
The crankshaft is an important component in an engine, and has a complex structure, large production batch and high precision requirement. The crankshaft is mainly used for turning and grinding a main journal and a connecting rod journal of the crankshaft, and the centers of the main journal and the connecting rod journal are not on the same straight line, so that the conventional processing means cannot be adopted, and the crankshaft needs to be processed on a precisely customized numerically controlled lathe.
When a crankshaft is used for cutting a connecting rod neck on a common lathe, a special clamp needs to be installed in order to ensure the concentricity of the connecting rod neck and a lathe spindle, a chuck is arranged in a chuck of the lathe in a common mode, the distance between the centers of the two chucks is adjusted by adding a gasket and the like, the machining size of the crankshaft is changed every time, the distance needs to be corrected again, and the crankshaft is difficult to assemble and disassemble, and wastes time and labor. There is therefore a need for further improvements to the prior art crankshaft turning tooling.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a crankshaft turning positioning tool which can position and fasten a main journal and adjust the eccentric length between the main journal and a connecting rod journal according to actual requirements.
In order to achieve the purpose of the utility model, the crankshaft turning positioning tool comprises a fixed part and a movable part, wherein a fixed disc is arranged at one end of the fixed part, and side plates are vertically arranged at two sides of the end part of the fixed part, which is far away from the fixed disc;
the front end of the moving part is provided with a clamping mechanism, the center of the clamping mechanism is provided with a V-shaped groove, the rear end of the moving part is provided with a positioning sleeve, and the centers of the V-shaped groove and the positioning sleeve are positioned on the same axis;
a positioning pin is horizontally arranged between the two side plates, a positioning through hole is horizontally arranged at the rear end of the moving part, and the positioning through hole is matched and connected with the positioning pin;
the upper end of the fixing part is provided with a scale mark, and the extending direction of the scale mark is parallel to the central axis of the positioning pin;
the two side plates are further provided with adjusting screw rods, second threaded holes are horizontally formed in two sides of the moving portion, and the adjusting screw rods are connected with the second threaded holes in a matched mode.
According to the crankshaft turning positioning tool, the fixed disc is connected with the lathe spindle, horizontal positioning pins are arranged on two sides of the fixed part, a horizontal positioning through hole is formed in the rear end of the moving part, and the positioning pins penetrate through the positioning through hole, so that the moving part can horizontally move along the positioning pins; adjusting screws are arranged on both sides of the fixed part, and the center of the movable part and the center of the fixed part are deviated through the adjusting screws; the fixed part is provided with the scale mark apart from the one end of fixed disk, marks the distance that the removal portion removed accurately.
Furthermore, the clamping mechanism comprises a lower clamping block and an upper clamping block, and the V-shaped groove is formed in the lower clamping block; the two sides of the V-shaped groove are vertically provided with first threaded holes, and the two sides of the upper clamping block are provided with tightening screw rods matched with the first threaded holes.
Further, a convex pointer is arranged at the upper end of the moving part and points to the scale mark.
Further, the pointer is located at the center of the upper end of the moving part.
Furthermore, a horizontal sliding groove is formed in one side, away from the fixed disc, of the fixed portion, and a sliding strip matched with the sliding groove is arranged at the rear end of the moving portion.
Further, the positioning through hole is positioned in the slide bar.
Further, the spout with the draw runner is two sets of, and two sets of draw runners are located the upper end and the lower extreme of removal portion respectively.
Compared with the prior art, the crankshaft turning and positioning tool has the following advantages that:
1. the movable part is positioned by the positioning pin, the adjusting screw is fastened and tightly connected with the fixed part, and the adjusting screw can conveniently adjust the deviation distance of the movable part.
2. The main journal of the crankshaft is matched with the positioning sleeve pipe by the V-shaped groove to limit the position, and the centrality of the main journal of the crankshaft in rotation is ensured.
3. The movable part is horizontally displaced along the positioning pin, and the scale marks at the upper end of the fixed part visually indicate the eccentric length between the main journal and the connecting rod journal.
Drawings
FIG. 1 is a schematic structural view of a crankshaft turning and positioning tool of the present invention;
FIG. 2 is a schematic view of the connection of the fixed portion and the movable portion;
fig. 3 is a front view of a crankshaft turning and positioning tool of the present invention.
Reference numerals: 1. a fixed part; 2. a moving part; 3. a clamping mechanism; 4, V-shaped grooves; 5. positioning the sleeve; 6. fixing the disc; 7. positioning pins; 8. positioning the through hole; 9. a side plate; 10. scale lines; 11. an indicator needle; 12. adjusting the screw rod; 13. a second threaded hole; 14. an upper clamping block; 15. a lower clamping block; 16. a first threaded hole; 17. tightening the screw rod; 18. a chute; 19. and (4) a slide bar.
Detailed Description
The utility model is further described below with reference to the following figures and specific examples.
The crankshaft turning positioning tool shown in fig. 1 to 3 comprises a fixed part 1 and a movable part 2, wherein two sides of the fixed part 1 are vertically provided with side plates 9 for fixing the position of the movable part 2, and one end of the fixed part 1 is provided with a fixed disc 6 for connecting with a lathe spindle; the front end of the moving part 2 is provided with a clamping mechanism 3, the center of the clamping mechanism 3 is provided with a V-shaped groove 4, the rear end of the moving part 2 is provided with a positioning sleeve 5, the centers of the V-shaped groove 4 and the positioning sleeve 5 are located on the same axis, the V-shaped groove 4 is matched with the positioning sleeve 5, a crankshaft main shaft to be machined is stably clamped, the crankshaft is enabled to be stable when rotating, and machining precision is improved.
In this embodiment, the clamping mechanism 3 includes a lower clamping block 15 and an upper clamping block 14, the V-shaped groove 4 is disposed on the lower clamping block 15, first threaded holes 16 are vertically disposed on two sides of the V-shaped groove 4, fastening screws 17 corresponding to the first threaded holes 16 are disposed on two sides of the upper clamping block 14, and the upper clamping block 14 and the lower clamping block 15 cooperate to clamp the crankshaft to maintain the tightness of connection with the crankshaft.
A positioning pin 7 is horizontally arranged between the two side plates 9, a horizontal positioning through hole 8 is arranged at the rear end of the moving part 2, and the positioning through hole 8 is connected with the positioning pin 7 in a matched mode. The moving part 2 is placed between the two side plates 9, the moving part 2 and the fixed part 1 are connected by the positioning pin 7, and the moving part 2 can move in the horizontal direction along the surface of the fixed part 1. The upper end of the fixed part 1 is provided with a scale line 10, the extending direction of the scale line 10 is parallel to the central axis of the positioning pin 7, and the length of the deviation of the center of the moving part 2 relative to the center of the fixed part 1 can be judged according to the numerical representation on the scale line 10. Further, the center of the upper end of the moving part 2 is provided with a protruding pointer 11 for precisely indicating the position of the moving part 2.
Specifically, a horizontal sliding groove 18 is arranged on one side of the fixed part 1 away from the fixed disc 6, and a sliding strip 19 matched with the sliding groove 18 is arranged at the rear end of the moving part 2; the slide 19 and the slider cooperate to enhance the tightness of the connection between the mobile part 2 and the fixed part 1. Further, the positioning through hole 8 is located in the slide bar 19, and the positioning pin 7 passes through the slide groove 18 to be connected with the moving part 2. The slide grooves 18 and the slide bars 19 are provided in two sets, and the slide bars 19 are respectively provided at the upper end and the lower end of the moving portion 2. Two sets of slide bars 19 are respectively positioned at the upper end and the lower end of the moving part 2 to assist in positioning the mounting position of the moving part 2 and further enhance the connection between the moving part 2 and the fixed part 1.
Adjusting screw rods 12 are further arranged on the two side plates 9, second threaded holes 13 are horizontally formed in two sides of the moving portion 2, the adjusting screw rods 12 are connected with the second threaded holes 13 in a matched mode, and the positions of the moving portion 2 are adjusted by operating the adjusting screw rods 12 on the two sides.
The fixed disk 6 of the fixed part 1 is connected with a rotating chuck of a lathe or a tailstock of the lathe, the adjusting screw 12 on one side is loosened, the moving part 2 can move along the positioning pin 7 by adjusting the adjusting screw 12 on the other side, and the distance between the center of the moving part 2 and the center of the fixed part 1 is adjusted according to the scale mark 10 at the upper end of the moving part 2; after the position is selected, the adjusting screws 12 on both sides are locked, so that the moving part 2 is fixed at the position to be processed. The center of the fixed disc 6 represents the position of a connecting rod neck, the center of the moving part 2 represents the position of a main journal, the main journal of a crankshaft to be machined penetrates through the V-shaped hole and extends into the positioning sleeve 5, the upper clamping block 14 and the lower clamping block 15 are fixed into a whole through the fastening screw 17, the main journal is clamped together, and at the moment, the connecting rod neck of the crankshaft can be turned.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the utility model is not limited to the embodiments disclosed, but is capable of various modifications and substitutions without departing from the spirit of the utility model.
Claims (7)
1. The utility model provides a location frock is cut to bent axle car which characterized in that: the fixing device comprises a fixing part and a moving part, wherein a fixing disc is arranged at one end of the fixing part, and side plates are vertically arranged on two sides of the end part of the fixing part, which deviates from the fixing disc;
the front end of the moving part is provided with a clamping mechanism, the center of the clamping mechanism is provided with a V-shaped groove, the rear end of the moving part is provided with a positioning sleeve, and the centers of the V-shaped groove and the positioning sleeve are positioned on the same axis;
a positioning pin is horizontally arranged between the two side plates, a positioning through hole is horizontally arranged at the rear end of the moving part, and the positioning through hole is matched and connected with the positioning pin;
the upper end of the fixing part is provided with a scale mark, and the extending direction of the scale mark is parallel to the central axis of the positioning pin;
the two side plates are further provided with adjusting screw rods, second threaded holes are horizontally formed in two sides of the moving portion, and the adjusting screw rods are connected with the second threaded holes in a matched mode.
2. The crankshaft turning and positioning tool according to claim 1, characterized in that: the clamping mechanism comprises a lower clamping block and an upper clamping block, and the V-shaped groove is formed in the lower clamping block; the two sides of the V-shaped groove are vertically provided with first threaded holes, and the two sides of the upper clamping block are provided with tightening screws matched with the first threaded holes.
3. The crankshaft turning and positioning tool according to claim 1, characterized in that: the upper end of the moving part is provided with a convex indicating needle, and the indicating needle points to the scale marks.
4. The crankshaft turning and positioning tool according to claim 3, characterized in that: the pointer is located at the center of the upper end of the moving part.
5. The crankshaft turning and positioning tool according to any one of claims 1 to 4, wherein: one side of the fixed part, which is far away from the fixed disc, is provided with a horizontal sliding groove, and the rear end of the moving part is provided with a sliding strip matched with the sliding groove.
6. The crankshaft turning and positioning tool according to claim 5, wherein: the positioning through hole is positioned in the slide bar.
7. The crankshaft turning and positioning tool according to claim 5, wherein: the spout with the draw runner is two sets ofly, and two sets of draw runners are located the upper end and the lower extreme of removal portion respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123297152.7U CN216882766U (en) | 2021-12-24 | 2021-12-24 | Crankshaft turning and positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123297152.7U CN216882766U (en) | 2021-12-24 | 2021-12-24 | Crankshaft turning and positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216882766U true CN216882766U (en) | 2022-07-05 |
Family
ID=82208266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123297152.7U Active CN216882766U (en) | 2021-12-24 | 2021-12-24 | Crankshaft turning and positioning tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216882766U (en) |
-
2021
- 2021-12-24 CN CN202123297152.7U patent/CN216882766U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240606 Address after: 443007, No. 188 Fengqiao Road, Xiaoting District, Yichang City, Hubei Province Patentee after: HUBEI CHUYUE AUTOMATION TECHNOLOGY Co.,Ltd. Country or region after: China Address before: 224000 Building 1, No. 13, Hetai Road, Bufeng Town, Yancheng Economic and Technological Development Zone, Jiangsu Province Patentee before: Jiangsu Ruiding metal products Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |