CN213795297U - Good automobile water pump impeller drilling fixing tool of stability - Google Patents
Good automobile water pump impeller drilling fixing tool of stability Download PDFInfo
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- CN213795297U CN213795297U CN202021610702.9U CN202021610702U CN213795297U CN 213795297 U CN213795297 U CN 213795297U CN 202021610702 U CN202021610702 U CN 202021610702U CN 213795297 U CN213795297 U CN 213795297U
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- impeller
- positioning shaft
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- water pump
- drilling
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Abstract
The utility model discloses a good-stability drilling and fixing tool for automobile water pump impellers, relating to the technical field of fixing tools; the device comprises a base, a positioning shaft, a radial positioning shaft, a die, a plurality of drill bit through holes, a pressing plate, a pressing device and an anti-rotation mechanism, wherein the lower end of the positioning shaft is fixed on the base and is used for being inserted into a central hole of an impeller, the lower end of the radial positioning shaft is fixed on the base and is used for preventing the impeller from rotating, the die is sleeved on the positioning shaft and is abutted against the upper side of the impeller, the drill bit through holes are positioned on the die, the pressing plate is used for pressing the die onto the impeller, the pressing device is used for applying downward force to the pressing plate, and the anti-rotation mechanism is used for preventing the die from rotating; the impeller comprises a plurality of blades which are in an annular array by taking the central hole as the center, and the upper end of the radial positioning shaft is inserted between two of the blades. The impeller rotates when the radial positioning shaft is arranged to prevent drilling, and in addition, when the anti-rotation mechanism is arranged to prevent drilling, the mold rotates.
Description
Technical Field
The utility model belongs to the technical field of fixed frock, in particular to fixed frock of automobile water pump impeller drilling that stability is good.
Background
When the impeller is machined, a plurality of balance holes need to be drilled on the impeller, and the impeller needs to be fixed on the base when the holes are drilled.
After the existing fixing tool is fixed, the impeller is easy to rotate in the drilling process, so that the drilling precision is affected.
Disclosure of Invention
The utility model aims at overcoming the shortcoming of prior art poor stability, provide a fixed frock of automobile water pump impeller drilling that stability is good.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a drilling and fixing tool for an automobile water pump impeller with good stability comprises a base, a positioning shaft, a radial positioning shaft, a mold, a plurality of drill bit through holes, a pressing plate, a pressing device and an anti-rotation mechanism, wherein the lower end of the positioning shaft is fixed on the base and used for inserting a central hole of the impeller, the lower end of the radial positioning shaft is fixed on the base and used for preventing the impeller from rotating, the mold is sleeved on the positioning shaft and abutted against the upper side of the impeller, the drill bit through holes are located on the mold, the pressing plate is used for pressing the mold onto the impeller, the pressing device is used for applying downward force to the pressing plate, and the anti-rotation mechanism is used for preventing the mold from rotating; the impeller comprises a plurality of blades which are in an annular array by taking the central hole as the center, and the upper end of the radial positioning shaft is inserted between two of the blades. The impeller rotates when the radial positioning shaft is arranged to prevent drilling, and in addition, when the anti-rotation mechanism is arranged to prevent drilling, the mold rotates.
Preferably, the rotation-preventing mechanism comprises a positioning rod, a ring-shaped gear, an upright post, a fixing bolt and a brake mechanism, wherein one end of the positioning rod is fixed on the outer edge of the mold; the gear positioning shafts are coaxial; the brake mechanism comprises a brake gear meshed with the gear; the brake gear is rotationally connected to the base; the brake mechanism also comprises a sliding shaft penetrating through the base, a friction plate connected to the upper end of the sliding shaft and used for rubbing with the upper side of the brake gear, a spring used for applying downward force to the sliding shaft, and a support cylinder used for supporting the friction plate upwards.
Preferably, the support cylinder is an electric cylinder.
Preferably, the pressing means is a cylinder.
The utility model has the advantages that: the utility model provides a fixed frock of automobile water pump impeller drilling that stability is good. The impeller rotates when the radial positioning shaft is arranged to prevent drilling, and in addition, when the anti-rotation mechanism is arranged to prevent drilling, the mold rotates.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a braking mechanism;
fig. 3 is a bottom view of the impeller.
In the figure: the drilling machine comprises a base 1, an impeller 2, a central hole 3, a positioning shaft 4, a radial positioning shaft 5, a mold 6, a drill bit through hole 7, a pressing plate 8, a positioning rod 9, a gear 10, an upright post 11, a fixing bolt 12, a brake gear 13, a sliding shaft 14, a friction plate 15, a spring 16, a supporting cylinder 17, a blade 18 and a balance hole 20.
Detailed Description
The invention will be further explained in detail with reference to the drawings and the following detailed description:
example (b):
referring to fig. 1 to 3, an automobile water pump impeller drilling fixing tool with good stability comprises a base 1, a positioning shaft 4 with a lower end fixed on the base 1 and used for inserting a center hole 3 of an impeller 2, a radial positioning shaft 5 with a lower end fixed on the base 1 and used for preventing the impeller 2 from rotating, a mold 6 sleeved on the positioning shaft 4 and abutted against the upper side of the impeller 2, a plurality of drill bit through holes 7 positioned on the mold 6, a pressing plate 8 used for pressing the mold 6 on the impeller 2, a pressing device used for applying downward force to the pressing plate 8, and an anti-rotation mechanism used for preventing the mold 6 from rotating;
the impeller 2 comprises a plurality of blades 18 which are in an annular array by taking the central hole 3 as a center, and the upper end of the radial positioning shaft 5 is inserted between two of the blades 18.
The anti-rotation mechanism comprises a positioning rod 9, one end of which is fixed on the outer edge of the die 6, a ring-shaped gear 10, the lower end of which is fixedly connected with the gear 10, an upright post 11, a fixing bolt 12 and a brake mechanism, wherein the fixing bolt 12 penetrates through the upright post 11 and is in threaded connection with the positioning rod 9;
the positioning shafts 4 of the gears 10 are coaxial;
the brake mechanism comprises a brake gear 13 meshed with the gear 10;
the brake gear 13 is rotationally connected to the base 1;
the brake mechanism further comprises a sliding shaft 14 penetrating through the base plate 1, a friction plate 15 connected to an upper end of the sliding shaft 14 for rubbing against an upper side of the brake gear 13, a spring 16 for applying a downward force to the sliding shaft 14, and a support cylinder 17 for supporting the friction plate 15 upward.
The support cylinder 17 is an electric cylinder. The pressing device is a cylinder.
Principle of embodiment:
when the drilling machine is used, the impeller is placed on the positioning shaft 4, and then the die 6 is sleeved on the positioning shaft 4, at the moment, the upper end of the radial positioning shaft 5 is located between two blades 18, so that the impeller is prevented from rotating during drilling. Then the supporting cylinder 17 operates, the spring 16 contracts, the friction plate 15 and the brake gear 13 are separated, then the upright post 11 rotates, then the fixing bolt 12 penetrates through the upright post 11 and is connected with the positioning rod 9, then the supporting cylinder 17 operates in the reverse direction, under the action of the spring 16, the friction plate 15 is matched with the brake gear 13, the gear 10 cannot rotate continuously, then the pressing plate 8 moves downwards under the action of a pressing device to press the die 6 tightly, and when drilling is conducted, a drill passes through the drill through hole 7 to drill a balance hole 20 for the impeller.
Claims (4)
1. A drilling and fixing tool for an automobile water pump impeller with good stability is characterized by comprising a base, a positioning shaft, a radial positioning shaft, a mold, a plurality of drill bit through holes, a pressing plate, a pressing device and an anti-rotating mechanism, wherein the lower end of the positioning shaft is fixed on the base and is used for inserting a central hole of the impeller;
the impeller comprises a plurality of blades which are in an annular array by taking the central hole as the center, and the upper end of the radial positioning shaft is inserted between two of the blades.
2. The automobile water pump impeller drilling and fixing tool with good stability as claimed in claim 1, wherein the rotation preventing mechanism comprises a positioning rod, a ring-shaped gear, an upright post, a fixing bolt and a brake mechanism, wherein one end of the positioning rod is fixed on the outer edge of the mold;
the gear positioning shafts are coaxial;
the brake mechanism comprises a brake gear meshed with the gear;
the brake gear is rotationally connected to the base;
the brake mechanism also comprises a sliding shaft penetrating through the base, a friction plate connected to the upper end of the sliding shaft and used for rubbing with the upper side of the brake gear, a spring used for applying downward force to the sliding shaft, and a support cylinder used for supporting the friction plate upwards.
3. The good fixed frock of automobile water pump impeller drilling of stability of claim 2, characterized in that, the support cylinder is the electric jar.
4. The good automobile water pump impeller drilling and fixing tool of claim 1, wherein the pressing device is a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021610702.9U CN213795297U (en) | 2020-08-05 | 2020-08-05 | Good automobile water pump impeller drilling fixing tool of stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021610702.9U CN213795297U (en) | 2020-08-05 | 2020-08-05 | Good automobile water pump impeller drilling fixing tool of stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213795297U true CN213795297U (en) | 2021-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021610702.9U Active CN213795297U (en) | 2020-08-05 | 2020-08-05 | Good automobile water pump impeller drilling fixing tool of stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213795297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905066A (en) * | 2022-06-07 | 2022-08-16 | 航天科工哈尔滨风华有限公司 | Turbine rotor shaft dynamic unbalance blade de-weighting drilling positioning clamping tool and using method |
-
2020
- 2020-08-05 CN CN202021610702.9U patent/CN213795297U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114905066A (en) * | 2022-06-07 | 2022-08-16 | 航天科工哈尔滨风华有限公司 | Turbine rotor shaft dynamic unbalance blade de-weighting drilling positioning clamping tool and using method |
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