CN215999366U - Be applied to axle sleeve extrusion die of oil pump processing - Google Patents
Be applied to axle sleeve extrusion die of oil pump processing Download PDFInfo
- Publication number
- CN215999366U CN215999366U CN202122009537.2U CN202122009537U CN215999366U CN 215999366 U CN215999366 U CN 215999366U CN 202122009537 U CN202122009537 U CN 202122009537U CN 215999366 U CN215999366 U CN 215999366U
- Authority
- CN
- China
- Prior art keywords
- sliding column
- oil pump
- shaft sleeve
- large sliding
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model discloses a shaft sleeve extrusion die applied to machining of an oil pump, which comprises a base, wherein a central hole is formed in the base, a large sliding column capable of moving up and down in the central hole is arranged in the central hole, a spring is arranged at the bottom of the large sliding column, a small sliding column is arranged at the top end of the large sliding column, the central line of the large sliding column and the central line of the small sliding column are collinear, the diameter of the large sliding column is equal to the inner diameter of a shaft hole of the oil pump, and the diameter of the small sliding column is equal to the diameter of the shaft sleeve of the oil pump. According to the utility model, the shaft hole and the shaft sleeve are positioned through the large sliding column and the small sliding column, so that the position of the shaft sleeve is more accurate, defective products caused by misalignment of the shaft sleeve are not easy to occur during the extrusion operation of the shaft sleeve, and the processing qualification rate is improved.
Description
Technical Field
The utility model relates to the technical field of oil pumps, in particular to a shaft sleeve extrusion die applied to machining of oil pumps.
Background
The oil pump is a device for supplying high-pressure oil, is used for supplying oil to the device, and is widely applied to engines. The oil pump that uses at present in automobile engine is mostly rotor formula oil pump, and it includes the pump body and pump cover, is equipped with inner rotor and outer rotor in the pump body, and the inner rotor is connected with the pivot, all is equipped with the shaft hole that supplies the pivot to pass at the pump cover of the pump body, and in order to reduce friction loss, many oil pump manufacturers all set up the axle sleeve in the shaft hole of the pump body or pump cover, and the axle sleeve adopts copper or alloy material to support, and hardness is high, and the wearability is good.
In the existing process, the shaft sleeve needs to be installed in the shaft hole through extrusion, during extrusion, a worker aligns the shaft sleeve with the shaft hole, and then the shaft sleeve is extruded in the shaft hole through a male die on a press machine. During the extrusion operation, no matter manual extrusion or automatic extrusion, the pump body or the pump cover of the oil pump and the shaft sleeve needing to be extruded need to be manually aligned by a worker, and the pump body or the pump cover needs to be aligned with a male die of a press machine, so that in the actual production, extrusion defective products and even waste products caused by incomplete alignment of workpieces often occur due to continuous operation of the worker or unskilled operation of the worker, and the production efficiency is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a shaft sleeve extrusion die applied to machining of an oil pump, which has the advantages that when a shaft sleeve is extruded in a pump body or a pump cover of the oil pump, alignment of workpieces is assisted, so that the machining qualification rate is improved, and the production efficiency is improved.
The utility model aims to realize the purpose through the following technical scheme that the shaft sleeve extrusion die applied to machining of the oil pump comprises a base, wherein a central hole is formed in the base, a large sliding column capable of moving up and down in the central hole is arranged in the central hole, a spring is arranged at the bottom of the large sliding column, a small sliding column is arranged at the top end of the large sliding column, the central line of the large sliding column and the central line of the small sliding column are collinear, the diameter of the large sliding column is equal to the inner diameter of a shaft hole of the oil pump, and the diameter of the small sliding column is equal to the diameter of the shaft sleeve of the oil pump.
According to the technical scheme, when the shaft sleeve extruding die is used for extruding a shaft sleeve in an oil pump body or a pump cover, the pump body or the pump cover is placed on the base, the convex surface faces downwards, the large sliding column penetrates out of the shaft hole, then the shaft sleeve to be extruded is placed on the small sliding column, the shaft sleeve is aligned with the sliding column at the moment, the pressure head of the press machine applies pressure to the shaft sleeve to extrude the shaft sleeve into the shaft hole, and the shaft hole and the shaft sleeve are positioned through the large sliding column and the small sliding column, so that the position of the shaft sleeve is more accurate, defective products caused by misalignment of the shaft sleeve are not prone to occur during shaft sleeve extruding operation, and the processing qualified rate is improved.
The utility model is further set that the height of the small sliding column is not more than the length of the oil pump shaft sleeve.
Through above-mentioned technical scheme, when the axle sleeve was placed on little traveller, the top of little traveller was not higher than the top of axle sleeve, consequently, when extrusion operation, the pressure head of press can contact the axle sleeve in the very first time and extrude the axle sleeve, was favorable to reducing the extrusion stroke.
The utility model is further arranged that the top end edge of the small sliding column and the top end edge of the large sliding column are both provided with oblique angles.
Through the technical scheme, the large sliding column can easily enter the shaft hole, the small sliding column can easily enter the shaft sleeve, and the operation is facilitated.
The utility model is further set that the bottom of the large sliding column is provided with an end plate with a diameter larger than that of the large sliding column, the opening of the central hole is provided with a baffle which is annular, the large sliding column penetrates through the baffle, the outer diameter of the large sliding column is equal to the inner diameter of the baffle, and the diameter of the end plate is equal to that of the central hole.
Through above-mentioned technical scheme, when big traveller slided from top to bottom, received the location and the guide effect of end plate and baffle, big traveller is difficult for producing radial movement, and the position of big traveller is more accurate, and after processing finishes, because the big traveller rebound of spring rebound upwards moves, avoids big traveller to break away from the centre bore through the effect of blockking of baffle.
The utility model is further configured such that the upper surface of the baffle is coplanar with the top surface of the base.
Through the technical scheme, the upper surface of the baffle and the top surface of the base form a complete plane, and the positioning of the oil pump cover or the pump body is facilitated.
The utility model is further provided that mounting grooves are arranged on two sides of the base.
Through above-mentioned technical scheme, set up the mounting groove and be used for fixing the base installation on the platform of press.
The utility model is further provided with a plurality of positioning columns arranged on the base, the positioning columns are in threaded connection with the base, and the positioning columns are used for being in contact with the edge of a pump body or a pump cover of the oil pump so as to position the pump body or the pump cover.
Through the technical scheme, when the oil pump body or the pump cover is placed in extrusion operation, the pump body or the pump cover can be quickly positioned to the correct position through the plurality of positioning columns, so that the large sliding column can be quickly inserted into the shaft hole, and the processing efficiency is favorably improved.
In conclusion, the beneficial effects of the utility model are as follows:
1. the shaft holes and the shaft sleeves are positioned and aligned by arranging the large sliding columns and the small sliding columns, so that the shaft sleeves can be aligned with the shaft holes during extrusion operation, defective products caused by misalignment of the shaft sleeves are not easy to generate during extrusion operation of the shaft sleeves, and the processing qualification rate is improved;
2. the positioning column is arranged to position the oil pump body or the pump cover, so that the pump cover or the pump body can be conveniently and quickly placed to an appointed position, and efficiency is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention.
In the figure, 1, a base; 2. a central bore; 3. a large traveler; 4. a small traveler; 5. an end plate; 6. a baffle plate; 7. a spring; 8. mounting grooves; 9. and a positioning column.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
Example (b): referring to fig. 1-2, a shaft sleeve extrusion die applied to machining of an oil pump comprises a base 1, wherein a central hole 2 is formed in the base 1, a large sliding column 3 capable of moving up and down in the central hole 2 is arranged in the central hole 2, a spring 7 is arranged at the bottom of the large sliding column 3, a small sliding column 4 is arranged at the top end of the large sliding column 3, the central line of the large sliding column 3 and the central line of the small sliding column 4 are collinear, the diameter of the large sliding column 3 is equal to the inner diameter of an oil pump shaft hole, and the diameter of the small sliding column 4 is equal to the diameter of the oil pump shaft sleeve. When the shaft sleeve extruding die is used for extruding a shaft sleeve in an oil pump body or a pump cover, the pump body or the pump cover is placed on the base 1, the convex surface is downward, the large sliding column 3 penetrates out of a shaft hole, then the shaft sleeve to be extruded is placed on the small sliding column 4, the shaft sleeve is aligned with the sliding column at the moment, a pressure head of a press machine applies pressure to the shaft sleeve to extrude the shaft sleeve into the shaft hole, and the shaft hole and the shaft sleeve are positioned through the large sliding column 3 and the small sliding column 4, so that the position of the shaft sleeve is more accurate, defective products caused by misalignment of the shaft sleeve are not prone to occur during shaft sleeve extruding operation, and the processing qualified rate is improved.
The height of little traveller 4 is not more than the length of oil pump axle sleeve, and when the axle sleeve was placed on little traveller 4, the top of little traveller 4 was not higher than the top of axle sleeve, consequently, when extrusion operation, the pressure head of press can contact the axle sleeve very first time and extrude the axle sleeve, was favorable to reducing the extrusion stroke.
The top edge of the small sliding column 4 and the top edge of the large sliding column 3 are both provided with oblique angles. The bevel angle is arranged, so that the large sliding column 3 can easily enter the shaft hole, and the small sliding column 4 can easily enter the shaft sleeve, and the operation is facilitated. The bevel angle of the tip of the large spool 3 does not extend to the root of the small spool 4, i.e., the tip of the large spool 3 remains a horizontal plane of a certain width.
The bottom of big traveller 3 is equipped with end plate 5 that the diameter is greater than big traveller 3, the opening part of centre bore 2 is equipped with baffle 6, baffle 6 is the annular, big traveller 3 passes baffle 6, the external diameter of big traveller 3 equals the internal diameter of baffle 6, the diameter of end plate 5 equals the diameter of centre bore 2, when big traveller 3 slides from top to bottom, receive the location and the guide effect of end plate 5 and baffle 6, big traveller 3 is difficult for producing radial movement, the position of big traveller 3 is more accurate, and after finishing, because big traveller 3 of resilience of spring 7 moves upwards, avoid big traveller 3 to break away from centre bore 2 through the effect of blockking of baffle 6. The upper surface of the baffle 6 and the top surface of the base 1 are coplanar, and the upper surface of the baffle 6 and the top surface of the base 1 form a complete plane, so that the positioning of an oil pump cover or a pump body is facilitated.
The both sides of base 1 are equipped with mounting groove 8, set up mounting groove 8 and are used for fixing base 1 installation on the platform of press. During installation, the base 1 can be fixed on a platform of a press machine by using bolts and nuts.
The oil pump is characterized in that a plurality of positioning columns 9 are arranged on the base 1, the positioning columns 9 are in threaded connection with the base 1, and the positioning columns 9 are used for being in contact with the edge of a pump body or a pump cover of the oil pump to position the oil pump. In this embodiment, the positioning columns 9 are three, and the three are all arranged on the same side of the pump body or the pump cover. During extrusion operation, when an oil pump body or a pump cover is placed, the pump body or the pump cover can be quickly positioned to the correct position through the plurality of positioning columns 9, so that the large sliding column 3 can be quickly inserted into the shaft hole, and the processing efficiency is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (7)
1. The shaft sleeve extrusion die applied to machining of the oil pump is characterized by comprising a base (1), wherein a central hole (2) is formed in the base (1), a large sliding column (3) capable of moving up and down in the central hole (2) is arranged in the central hole (2), a spring (7) is arranged at the bottom of the large sliding column (3), a small sliding column (4) is arranged at the top end of the large sliding column (3), the central line of the large sliding column (3) and the central line of the small sliding column (4) are collinear, the diameter of the large sliding column (3) is equal to the inner diameter of a shaft hole of the oil pump, and the diameter of the small sliding column (4) is equal to the diameter of the shaft sleeve of the oil pump.
2. The shaft sleeve extrusion die applied to oil pump machining in claim 1 is characterized in that the height of the small sliding column (4) is not greater than the length of an oil pump shaft sleeve.
3. The shaft sleeve extrusion die applied to the oil pump machining is characterized in that the top end edge of the small sliding column (4) and the top end edge of the large sliding column (3) are provided with oblique angles.
4. The shaft sleeve extrusion die applied to oil pump machining according to claim 2 or 3, characterized in that an end plate (5) with a diameter larger than that of the large sliding column (3) is arranged at the bottom of the large sliding column (3), a baffle (6) is arranged at the opening of the central hole (2), the baffle (6) is annular, the large sliding column (3) penetrates through the baffle (6), the outer diameter of the large sliding column (3) is equal to the inner diameter of the baffle (6), and the diameter of the end plate (5) is equal to that of the central hole (2).
5. The bushing extrusion die applied to the oil pump machining is characterized in that the upper surface of the baffle (6) is coplanar with the top surface of the base (1).
6. The shaft sleeve extrusion die applied to oil pump machining according to claim 1, characterized in that mounting grooves (8) are formed in two sides of the base (1).
7. The shaft sleeve extrusion die applied to machining of the oil pump according to claim 1, wherein a plurality of positioning columns (9) are arranged on the base (1), the positioning columns (9) are in threaded connection with the base (1), and the positioning columns (9) are used for being in contact with the edge of a pump body or a pump cover of the oil pump to position the position of the pump body or the pump cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122009537.2U CN215999366U (en) | 2021-08-24 | 2021-08-24 | Be applied to axle sleeve extrusion die of oil pump processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122009537.2U CN215999366U (en) | 2021-08-24 | 2021-08-24 | Be applied to axle sleeve extrusion die of oil pump processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215999366U true CN215999366U (en) | 2022-03-11 |
Family
ID=80533501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122009537.2U Active CN215999366U (en) | 2021-08-24 | 2021-08-24 | Be applied to axle sleeve extrusion die of oil pump processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215999366U (en) |
-
2021
- 2021-08-24 CN CN202122009537.2U patent/CN215999366U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101069906A (en) | Metal tube shaping apparatus | |
| CN104526313A (en) | Pump body steel ball pressing fitting machine | |
| CN215999366U (en) | Be applied to axle sleeve extrusion die of oil pump processing | |
| CN212526742U (en) | Crank pin blocking press-fitting device | |
| CN203791455U (en) | Butt-punching tube piercing die | |
| CN104723601A (en) | Hydraulic locking device of pressure machine | |
| CN210254992U (en) | Split type main bearing bush press-fitting device | |
| CN114871732B (en) | Press-fitting structure of copper bush of diesel engine cylinder cover oil sprayer | |
| CN206286799U (en) | A kind of suspension electric pressing machine | |
| CN207953107U (en) | A kind of pressing machine of global needle bearing | |
| CN207076866U (en) | Thin plate swaging punching die component | |
| CN214442313U (en) | Punching die capable of reducing punching strain | |
| CN219817712U (en) | Floating material structure | |
| CN205522597U (en) | Four -column hydraulic press | |
| CN111590294A (en) | Crank pin blocking press-fitting device | |
| CN205085709U (en) | A clamping device for bearing housing | |
| CN219119666U (en) | Pneumatic assembly device for steel back bearing | |
| CN211759664U (en) | Bearing press-fitting machine for centrifugal pump motor | |
| CN215941240U (en) | Crank arm gear burnishing device | |
| CN217860099U (en) | Punching device | |
| CN213195296U (en) | Mould for flanging bush | |
| CN202045246U (en) | Punching device capable of synchronously hydroforming | |
| CN211052224U (en) | U type main part board die mould | |
| CN211679686U (en) | Material belt supporting device used between sub-dies | |
| CN103611749A (en) | Sheet stamping extrusion device for die-forging technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |