CN215034214U - Clamp for diesel engine injection pump gear - Google Patents
Clamp for diesel engine injection pump gear Download PDFInfo
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- CN215034214U CN215034214U CN202120776891.5U CN202120776891U CN215034214U CN 215034214 U CN215034214 U CN 215034214U CN 202120776891 U CN202120776891 U CN 202120776891U CN 215034214 U CN215034214 U CN 215034214U
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- diesel engine
- gear
- injection pump
- engine injection
- clamp
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Abstract
The utility model belongs to the technical field of gear production and processing, concretely relates to diesel engine injection pump anchor clamps for gear, it includes: the center of the first clamping part is provided with a positioning mandrel for positioning the gear; the second clamping part is provided with a pressing surface which is a circular surface and is used for pressing the gear; and the ejectable jacking block assemblies are respectively arranged in the first clamping part and the second clamping part and are used for pressing the end face grooves of the gear. This anchor clamps for diesel engine injection pump gear can further press from both sides tight gear through the area of contact of kicking block subassembly increase and gear end face when processing the teeth of a cogwheel, reaches better clamp tightly and prevents following the effect of changeing and skidding.
Description
Technical Field
The utility model belongs to the technical field of gear production and processing, concretely relates to diesel engine injection pump anchor clamps for gear.
Background
The diesel engine fuel injection pump is used for injecting diesel oil to a cylinder, and is an important component of the diesel engine, and the fuel injection pump gear is used as a motion transmission part, and the stable operation of the fuel injection pump gear is an important guarantee for the stable operation of the diesel engine. When the gear teeth are machined, the gear is easy to slip and rotate, so that machining accuracy is insufficient, and the transmission performance of the gear of the fuel injection pump is affected. In the prior art, the plane is usually directly adopted to compress the end face of the gear to be processed, and the clamping effect on the gear with the groove on the processed end face is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a diesel engine injection pump anchor clamps for gear to solve to lead to the gear to skid easily with the technical problem who changes to the tight area of gear clamp of processed end face recess.
In order to solve the technical problem, the utility model provides a diesel engine injection pump anchor clamps for gear, include: the center of the first clamping part is provided with a positioning mandrel for positioning the gear; the second clamping part is provided with a pressing surface which is a circular surface and is used for pressing the gear; and the jacking block assemblies are respectively arranged in the first clamping part and the second clamping part in pairs, and pop up end face grooves for pressing the gears from two sides of the gears after the gears are positioned by the clamp.
Further, the jacking block assemblies are uniformly arranged on the opposite surfaces of the first clamping part and the second clamping part by taking the positioning mandrel as a center.
Furthermore, the pressing part of the jacking block assembly is in a waist-shaped column shape, and the concave surface of the pressing part faces the positioning mandrel.
Furthermore, the compressing part is driven by a driving part, and the driving part is a telescopic rod with one end connected with the compressing part.
Furthermore, the pressing part and one end of the driving part form detachable connection through screws arranged in the radial direction.
Furthermore, the kicking block subassembly still includes the limiting plate that links to each other with the drive division other end, and it is discoid and passes through fastening screw to fix at the back of clamp portion.
Furthermore, the first clamping part and the second clamping part are respectively provided with a first channel and a second channel so as to accommodate the driving part.
Further, for one end face of the gear, the sum of the contact areas of the ejector block assemblies in the end face groove is not less than 70% of the area in the end face groove.
Furthermore, the contact surface of the ejector block assembly and the end face groove is a frosted surface.
The utility model provides a diesel engine injection pump anchor clamps for gear pass through the positioning core axle and realize the gear location, through the preliminary clamp of first clamp part and second clamp part realization gear tight, through the area of contact of kicking block subassembly increase and gear end face, further press from both sides tight gear recess, reach better clamp and tightly prevent following the effect of changeing and skidding.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a clamp for a diesel engine fuel injection pump gear;
FIG. 2 is a schematic view of a first clamp pressing surface;
fig. 3 is a schematic structural view of the second clip compressing surface.
In the figure:
a first clamp 1, a first channel 11;
positioning the mandrel 2;
the second clip portion 3, the second channel 31;
the top block assembly 4, the pressing part 41, the driving part 42, the limiting plate 43 and the fastening screw 431;
and (6) a screw.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1, the present embodiment provides a fixture for a diesel engine injection pump gear, which may include: the center of the first clamping part 1 is provided with a positioning mandrel 2 for positioning a gear; the second clamping part 3 is provided with a pressing surface which is a circular surface and is used for pressing the gear 5; and a plurality of ejector block assemblies 4 which are respectively arranged in the first clamping part 1 and the second clamping part 3 in pairs, and pop up end face grooves 51 which press the gear from two sides of the gear after the gear is positioned by the clamp.
The diesel engine fuel injection pump anchor clamps for gear that this embodiment provided pass through positioning core 2 and realize the gear location, through first clamp 1 and the preliminary tight of the tight of second clamp 3 realization gear 5 of clamp, through kicking block subassembly 4 increase with terminal surface recess 51 area of contact, further press from both sides tight terminal surface recess 51, reach better clamp and prevent following the effect of changeing and skidding.
In the present embodiment, in order to make the end face grooves 51 uniformly stressed, the top block assemblies 4 may be uniformly arranged on the opposite surfaces of the first clamp part 1 and the second clamp part 3 centering on the positioning mandrel 2.
In this embodiment, the pressing portion 41 is driven by a driving portion 42, and the driving portion 42 is a telescopic rod having one end connected to the pressing portion 41, and the driving force can be provided by an oil cylinder.
In the present embodiment, in order to be able to adapt to different end surface grooves 51, the pressing portion 41 is detachably connected to one end of the driving portion 42 through a radially arranged screw 6.
In the present embodiment, in order to prevent the top block assembly 4 from falling or being ejected from the back, a stopper plate 43 is provided at the other end of the driving portion 42, and the stopper plate 43 is fixed to the back of the clip portion by a fastening screw 431 in a disk shape.
In this embodiment, the first clip part 1 and the second clip part 3 are respectively opened with a first channel 11 and a second channel 31 to accommodate the driving part 42, and each of the limiting plates 43 respectively covers the rear ends of the first channel 11 and the second channel 31.
In the present embodiment, for better clamping effect, the sum of the contact areas of the pressing portions 41 in each top block assembly 4 in the end face groove 51 is not less than 70% of the area in the end face groove 51 for one end face of the gear 5.
In the present embodiment, in order to prevent slippage between the pressing portion 41 and the end face groove 51 in the top block assembly 4, a frosted surface is used as a contact surface between the pressing portion 41 and the end face groove 51.
As shown in fig. 2 and 3, in the present embodiment, in order to make the pressing portion 41 more fit to the contour of the end surface groove 51 and to increase the contact area between the pressing portion 41 and the end surface groove as much as possible, the pressing portion 41 has a kidney shape with a concave surface facing the positioning core shaft 2.
In conclusion, this anchor clamps for diesel engine injection pump gear when processing the teeth of a cogwheel, realize the location of gear 5 through positioning core axle 2, realize the preliminary clamp tight of gear 5 through first clamp 1 and second clamp 3, increased through kicking block subassembly 4 with the area of contact of gear 5 terminal surface, further press from both sides the concave part of gear, reached and prevented that gear 5 from following the effect of changeing, skidding, promoted the stability and the precision of teeth of a cogwheel processing.
The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.
In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a diesel engine injection pump anchor clamps for gear which characterized in that includes:
the center of the first clamping part (1) is provided with a positioning mandrel (2) for positioning the gear;
the second clamping part (3) is provided with a pressing surface which is a circular surface and is used for pressing the gear (5); and
and the jacking block assemblies (4) are respectively arranged in the first clamping part (1) and the second clamping part (3) in pairs, and pop up end face grooves (51) for pressing the gears from two sides of the gears after the gears are positioned by the clamp.
2. The clamp for the diesel engine injection pump gear according to claim 1,
the ejector block assembly (4) is uniformly arranged on the opposite surfaces of the first clamping part (1) and the second clamping part (3) by taking the positioning mandrel (2) as a center.
3. The jig for a diesel engine injection pump gear according to claim 2,
the pressing part (41) of the ejector block component (4) is in a waist-shaped column shape, and the concave surface of the pressing part faces the positioning mandrel (2).
4. The jig for a diesel engine injection pump gear according to claim 3,
the pressing part (41) is driven by a driving part (42), and the driving part (42) is a telescopic rod with one end connected with the pressing part (41).
5. The clamp for the diesel engine injection pump gear according to claim 4,
the pressing part (41) and one end of the driving part (42) are detachably connected through a screw (6) arranged in the radial direction.
6. The clamp for the diesel engine injection pump gear according to claim 4,
the top block assembly (4) further comprises:
and a limiting plate (43) connected with the other end of the driving part (42) and fixed on the back of the clamp part in a disc shape through a fastening screw (431).
7. The jig for a diesel engine injection pump gear according to claim 2,
the first clamping part (1) and the second clamping part (3) are respectively provided with a first channel (11) and a second channel (31) so as to accommodate the driving part (42).
8. The clamp for the diesel engine injection pump gear according to claim 1,
for one end face of the gear (5), the sum of the contact areas of the ejector block assemblies (4) in the end face groove (51) is not less than 70% of the area in the end face groove (51).
9. The clamp for the diesel engine injection pump gear according to claim 1,
the contact surface of the ejector block assembly (4) and the end face groove (51) is a frosted surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120776891.5U CN215034214U (en) | 2021-04-15 | 2021-04-15 | Clamp for diesel engine injection pump gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120776891.5U CN215034214U (en) | 2021-04-15 | 2021-04-15 | Clamp for diesel engine injection pump gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215034214U true CN215034214U (en) | 2021-12-07 |
Family
ID=79105262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120776891.5U Active CN215034214U (en) | 2021-04-15 | 2021-04-15 | Clamp for diesel engine injection pump gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215034214U (en) |
-
2021
- 2021-04-15 CN CN202120776891.5U patent/CN215034214U/en active Active
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