CN214559986U - Valve vertical hole extrusion grinding clamp - Google Patents
Valve vertical hole extrusion grinding clamp Download PDFInfo
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- CN214559986U CN214559986U CN202120822920.7U CN202120822920U CN214559986U CN 214559986 U CN214559986 U CN 214559986U CN 202120822920 U CN202120822920 U CN 202120822920U CN 214559986 U CN214559986 U CN 214559986U
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- supporting seat
- sealing ring
- upper cover
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Abstract
The utility model discloses a valve erects hole extrusion and grinds anchor clamps, including supporting seat and upper cover, there is the joint on supporting seat top right side, the inside neck bush that is provided with of supporting seat, and the supporting seat top is provided with the base, and the base middle part all is provided with the pipeline with the neck bush and switches on with connecting, and upper cover top middle part is provided with the mounting groove, and through hexagon socket head cap screw with upper cover fixed mounting on the pressure head on the lathe, the inside below of upper cover is provided with the back flow. The utility model seals the upper and lower sides of the base through the lower sealing ring of the base and the upper sealing ring of the base, and the upper sealing ring of the base is designed at the upper end of the base and the supporting part of the workpiece in order to ensure that the grinding agent does not leak in the extrusion process of the product; an upper sealing ring is designed on the upper end surface of the workpiece; the inner bushing is designed at the inner hole of the product, so that the grinding agent is prevented from generating flowing agent pressure on the inner hole of the product, the volume of the grinding agent in a high-pressure channel is reduced, the flow precision and the flow speed are improved, and the fine extrusion grinding of the hole is completed.
Description
Technical Field
The utility model relates to a valve erects hole anchor clamps field, in particular to valve erects hole extrusion and grinds anchor clamps.
Background
The high-pressure common rail electric injection technology refers to an oil supply mode which completely separates the generation of injection pressure and the injection process from each other in a closed loop system consisting of a high-pressure oil pump, a pressure sensor and an Electronic Control Unit (ECU). The high-pressure fuel oil is conveyed to a public oil supply pipe by a high-pressure oil pump, and the oil pressure in the public oil supply pipe is accurately controlled, so that the pressure of the high-pressure oil pipe is irrelevant to the rotating speed of an engine, and the degree of the oil supply pressure of a diesel engine changing along with the rotating speed of the engine can be greatly reduced, wherein a vertical hole needs to be processed on a high-pressure common rail valve.
The high pressure common rail valve vertical hole (micropore) requires the flow precision of hole higher in the course of the work, in order to guarantee the precision of product, improves flow precision and velocity of flow, improves hole surface roughness, need to grind the fine extrusion of hole, for this reason, we propose a valve vertical hole extrusion grinding anchor clamps and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a valve erects hole extrusion and grinds anchor clamps, can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a valve vertical bore extrusion grinding fixture, comprising: the supporting seat is fixedly arranged above the operating platform through bolts, a joint is arranged on the right side above the supporting seat, an inner bushing is arranged inside the supporting seat, a base is arranged above the supporting seat, pipelines are arranged in the middle of the base and the inner bushing to be communicated with the joint,
the upper cover is fixedly arranged on a press head on the machine tool through a hexagon socket head cap screw, a return pipe is arranged below the inner portion of the upper cover, and a plug is arranged inside the upper cover and used for sealing the return pipe.
Preferably, a lower base sealing ring is arranged between the supporting base and the base, an upper base sealing ring is arranged at the upper end of the base, and the upper side and the lower side of the base are sealed through the lower base sealing ring and the upper base sealing ring.
Preferably, an upper sealing ring is arranged below the upper cover, in order to ensure that grinding agents do not leak in the product extrusion process, a lower sealing ring of the base is designed at the lower end of the base, and an upper sealing ring of the base is designed at the upper end of the base and a workpiece supporting part.
Preferably, a circulation pipeline is arranged in the joint, and the high-pressure grinding agent output oil pipe of the equipment is connected to the joint.
Preferably, the right side of the upper end of the supporting seat is provided with a guide sleeve, the base is limited in position through the guide sleeve, and the mounting precision is improved.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the upper side and the lower side of the base are sealed through a lower base sealing ring and an upper base sealing ring, an installation groove is formed in the middle of the upper portion of the upper cover, the upper cover is fixedly installed on an upper press head of a machine tool through an inner hexagon bolt, the upper sealing ring is arranged below the upper cover, in order to ensure that grinding agents do not leak in the product extrusion process, the lower base sealing ring is designed at the lower end of the base, and the upper base sealing ring is designed at the upper end of the base and a workpiece supporting position; an upper sealing ring is designed on the upper end surface of the workpiece; the inner bushing is designed at the inner hole of the product, so that the grinding agent is ensured not to generate flowing agent pressure on the inner hole of the product, the volume of the grinding agent in the high-pressure channel is reduced, and the pressure loss of the high-pressure grinding agent is reduced.
2. The flowmeter is connected between the high-pressure cylinder and the joint, when the micropores of the workpiece are extruded, the flow passing through the micropores is changed from small to large, when the flow passing through the workpiece reaches the required set flow, the flowmeter sends a signal, the high-pressure pump of the grinding agent stops, the grinding agent flowing through the micropores stops, and thus the flow precision of the micropores of the workpiece is ensured.
Drawings
Fig. 1 is the whole structure diagram of the valve vertical hole extruding and grinding clamp of the utility model.
In the figure: 1. a supporting seat; 2. a joint; 3. a guide sleeve; 4. a lower sealing ring of the base; 5. a base; 6. a sealing ring is arranged on the base; 7. an upper cover; 8. an upper sealing ring; 9. a hexagon socket head cap screw; 10. a plug; 11. a return pipe; 12. an inner lining.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
Referring to fig. 1, a valve vertical hole extrusion grinding jig includes: the device comprises a supporting seat 1 and an upper cover 7, wherein the supporting seat 1 is fixedly arranged above an operating platform through bolts, the right side above the supporting seat 1 is provided with a joint 2, a circulating pipeline is arranged inside the joint 2, a high-pressure grinding agent output oil pipe of equipment is connected to the joint 2, an inner bushing 12 is arranged inside the supporting seat 1, a base 5 is arranged above the supporting seat 1, the middle part of the base 5 and the inner bushing 12 are both provided with pipelines to be communicated with the joint 2, the right side of the upper end of the supporting seat 1 is provided with a guide sleeve 3, the position of the base 5 is limited through the guide sleeve 3, and the mounting precision is improved,
a lower base sealing ring 4 is arranged between the supporting seat 1 and a base 5, an upper base sealing ring 6 is arranged at the upper end of the base 5, the upper side and the lower side of the base 5 are sealed through the lower base sealing ring 4 and the upper base sealing ring 6, an installation groove is arranged in the middle of the upper part of the upper cover 7, the upper cover 7 is fixedly installed on an upper press head of the machine tool through an inner hexagon bolt 9, an upper sealing ring 8 is arranged below the upper cover 7, the lower base sealing ring 4 is designed at the lower end of the base 5 in order to ensure that grinding agents do not leak in the product extrusion process, and the upper base sealing ring 6 is designed at the upper end of the base 5 and a workpiece supporting part; an upper sealing ring 8 is designed on the upper end surface of the workpiece; the inner bushing 12 is designed at the inner hole of the product, so that the grinding agent is ensured not to generate flowing agent pressure on the inner hole of the product, the volume of the grinding agent in a high-pressure channel is reduced, and the pressure loss of the high-pressure grinding agent is reduced;
a return pipe 11 is arranged below the inner part of the upper cover 7, a plug 10 is arranged inside the upper cover 7, the plug 10 is used for sealing the return pipe 11,
installing a phi 30 excircle on a clamp supporting seat 1 in a machine tool grinding agent collecting hole, connecting a high-pressure grinding agent output oil pipe of equipment to a joint 2, adjusting a return pipe 11 to be aligned to the position of a return hole on the supporting seat, and screwing a hexagon socket head cap screw 9; starting a machine tool, correctly placing a valve to be extruded into an upper sealing ring hole of a base 5, starting a machine tool pressing switch, descending an upper cover 7 arranged on a machine tool pressing cylinder, pressing the upper end surface of a workpiece by an upper sealing ring 8, and simultaneously enabling a return pipe 11 to enter a return channel of the base 1; starting an abrasive pressure pump, wherein high-pressure abrasive passes through an inner hole of the joint 2 from a high-pressure pipe channel, passes through a micropore to be extruded by a workpiece from the inner bushing 12, and returns to a machine tool abrasive recovery cylinder from a return channel of the upper cover 7, a return pipe and a return channel of the supporting seat 1;
because the high-pressure grinding agent enters the micropores to be extruded of the workpiece from the inner hole of the joint 2 and from the inner bushing 12, the high-pressure grinding agent is extruded when the micropores need to be extruded through the workpiece due to the small aperture of the micropores of the workpiece, so that the flow precision of the inner hole of the product and the roughness of the inner hole of the product are improved; after the grinding agent flows out of the workpiece, the upper cover 7, the return pipe 11 and the return channel on the supporting seat 1 have larger aperture, so that resistance is not generated to the returned grinding agent, and the outflow and collection of the grinding agent are ensured;
1 flowmeter is connected between the high-pressure cylinder and the joint 2, when the micropores of the workpiece are extruded, the flow passing through the micropores is changed from small to large, when the flow passing through the workpiece reaches the required set flow, the flowmeter sends 1 signal, the high-pressure pump of the grinding agent stops, the grinding agent passing through the micropores stops, and thus the flow precision of the micropores of the workpiece is ensured.
The utility model discloses a theory of operation is: a workpiece to be extruded is placed in an inner hole of an upper sealing ring 6 of a base 5, a machine tool starting button is pressed, a machine tool pressing cylinder moves downwards, and an upper cover 7 and an upper sealing ring 8 arranged in the upper cover 7 are driven to move downwards to press the upper end surface of the workpiece; the grinding agent pressure pump is started through a delay signal, so that the grinding agent is pressurized, the inner hole of the connector 2 and the inner lining 12 flow through micropores which are required to be extruded by a workpiece, the aperture of the channel is far larger than that of the micropores to be extruded by the workpiece, the high-pressure grinding agent extrudes the walls of the micropores when passing through the micropores of the workpiece, the roughness of the walls of the pores is improved, the flow of the holes is improved, the grinding agent flowing through the micropores of the workpiece passes through the inner hole of the upper sealing ring 8 and the backflow channel of the upper cover 7, the backflow channel 11 channel, the aperture of the backflow channel of the supporting seat 1 is enlarged, the resistance is not generated on the grinding agent, and the smooth backflow of the grinding agent is ensured. When the grinding flow of the micropores to be extruded reaches a preset target value, a flowmeter connected between the grinding agent inlet joint 2 and the high-pressure cylinder sends a signal, the high-pressure pump stops, the signal is sent to the pressing cylinder control unit in a delayed mode, the pressing cylinder starts to move upwards, the upper cover 7 and the upper sealing ring 8 are loosened, and the workpiece is taken out. This completes 1 cycle of operation.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a valve erects hole extrusion grinding anchor clamps, includes supporting seat (1) and upper cover (7), its characterized in that: the supporting seat (1) is fixedly arranged above the operating platform through bolts, the right side above the supporting seat (1) is provided with a joint (2), an inner bushing (12) is arranged inside the supporting seat (1), a base (5) is arranged above the supporting seat (1), the middle part of the base (5) and the inner bushing (12) are both provided with pipelines which are communicated with the joint (2),
the upper cover (7) is fixedly arranged on a press head on the machine tool through an inner hexagon bolt (9), and a return pipe (11) is arranged below the inner part of the upper cover (7).
2. The valve vertical hole extrusion grinding fixture of claim 1, wherein: a lower base sealing ring (4) is arranged between the supporting base (1) and a base (5), and an upper base sealing ring (6) is arranged at the upper end of the base (5).
3. The valve vertical hole extrusion grinding fixture of claim 2, wherein: an upper sealing ring (8) is arranged below the upper cover (7).
4. The valve vertical hole extrusion grinding fixture of claim 3, wherein: a circulation pipeline is arranged in the joint (2), and the high-pressure grinding agent output oil pipe of the equipment is connected to the joint (2).
5. The valve vertical hole extrusion grinding fixture of claim 1, wherein: and a plug (10) is arranged in the upper cover (7).
6. The valve vertical hole extrusion grinding fixture of claim 4, wherein: the right side of the upper end of the supporting seat (1) is provided with a guide sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822920.7U CN214559986U (en) | 2021-04-21 | 2021-04-21 | Valve vertical hole extrusion grinding clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120822920.7U CN214559986U (en) | 2021-04-21 | 2021-04-21 | Valve vertical hole extrusion grinding clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214559986U true CN214559986U (en) | 2021-11-02 |
Family
ID=78360923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120822920.7U Active CN214559986U (en) | 2021-04-21 | 2021-04-21 | Valve vertical hole extrusion grinding clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214559986U (en) |
-
2021
- 2021-04-21 CN CN202120822920.7U patent/CN214559986U/en active Active
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