CN215432967U - Processing device for circumferentially uniformly distributing flat positions - Google Patents
Processing device for circumferentially uniformly distributing flat positions Download PDFInfo
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- CN215432967U CN215432967U CN202122028853.4U CN202122028853U CN215432967U CN 215432967 U CN215432967 U CN 215432967U CN 202122028853 U CN202122028853 U CN 202122028853U CN 215432967 U CN215432967 U CN 215432967U
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- needle valve
- long needle
- sleeve
- positioning seat
- adjusting
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Abstract
The utility model belongs to the technical field of diesel engines, and discloses a processing device with flat positions uniformly distributed in the circumferential direction, which comprises a fixing mechanism and a surface grinding machine, wherein the fixing mechanism comprises a positioning seat, a sleeve, an adjusting component and a locking component, the sleeve part is arranged in the positioning seat, the sleeve is provided with an accommodating cavity, a long needle valve comprises a first end arranged in the accommodating cavity and a second end extending out of the accommodating cavity, the adjusting component is configured to extend into the accommodating cavity and abut against the first end of the long needle valve, the adjusting component is used for adjusting the length of the second end of the long needle valve, and the locking component is encircled on the long needle valve and connected to the sleeve; the surface grinding machine comprises a workbench and a grinding wheel, the workbench can be attached to the positioning seat, the grinding wheel is perpendicular to the second end of the long needle valve, and the grinding wheel is used for grinding the second end of the long needle valve to form a pair of flat positions. The processing device with the flat positions uniformly distributed in the circumferential direction improves the flat position processing precision and the processing efficiency of the long needle valve.
Description
Technical Field
The utility model relates to the technical field of diesel engines, in particular to a processing device with flat positions uniformly distributed in the circumferential direction.
Background
The fuel injection system of the diesel engine mainly comprises an oil nozzle and an oil injector body, and fuel is injected into a combustion chamber of the engine through the oil nozzle. The fuel injection quantity is accurately controlled by opening or closing the fuel injector. The oil sprayer comprises a valve body, a needle valve, a return spring, an armature and an electromagnetic coil, wherein the oil spraying characteristics of the oil sprayer are directly influenced by three pairs of flat processing qualities of the needle valve in the oil sprayer. Three pairs of flat positions are uniformly distributed in 120 degrees, the existing three pairs of flat positions are processed by indexing and positioning long needle valves through an external grinding machine head frame, a circular grinding wheel gradually cuts into the long needle valves for grinding to form the flat positions, and the positions are uniformly distributed in 120 degrees through the rotary positioning of the external grinding machine head frame. However, the index head of the headstock of the cylindrical grinding machine has a rotation run-out error, which reduces the processing precision of three pairs of flat positions. In addition, the planar shape of a flat position finally formed by the cut-in grinding mode of the cylindrical grinding machine is fit with the shape of a circular grinding wheel, the flat position is slightly concave and is not a complete plane, the circular grinding wheel is always close to the outer wall of the long needle valve in the machining process, the ground part cannot effectively dissipate heat, and the surface of a part is easily burnt.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a processing device with flat positions uniformly distributed in the circumferential direction, and the processing precision of the flat positions is improved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a processingequipment of flat position of circumference equipartition, includes:
the fixing mechanism comprises a positioning seat, a sleeve, an adjusting component and a locking component, wherein the sleeve is partially arranged in the positioning seat, the sleeve is provided with an accommodating cavity, the long needle valve comprises a first end arranged in the accommodating cavity and a second end extending out of the accommodating cavity, the adjusting component is configured to extend into the accommodating cavity and abut against the first end of the long needle valve, the adjusting component is used for adjusting the length of the long needle valve extending out of the second end of the accommodating cavity, and the locking component is embraced in the long needle valve and connected to the sleeve;
the surface grinding machine comprises a workbench and a grinding wheel, the positioning seat can be attached to the workbench, the grinding wheel is perpendicular to the second end of the long needle valve, and the grinding wheel is used for grinding the second end of the long needle valve to form a pair of flat positions.
Preferably, the sleeve is provided with three first abutting portions evenly arranged along the circumferential direction of the sleeve, the positioning seat is provided with a second abutting portion corresponding to the first abutting portion, the second abutting portion is provided with a threaded hole, and the abutting bolt is in threaded connection with the threaded hole and abuts against the first abutting portion.
Preferably, the positioning seat is further provided with three positioning portions uniformly arranged along the circumferential direction of the positioning seat, two of the positioning portions are provided with one of the second abutting portions in a clamping manner, and the positioning portions can be attached to the workbench.
Preferably, the locking assembly comprises a chuck and a nut, the chuck embraces the long needle valve and partially extends into the accommodating cavity, and the nut is sleeved on the chuck and is in threaded connection with the sleeve.
Preferably, the chuck comprises a small-end chuck and a large-end chuck sleeved with a nut, and the small-end chuck extends into the accommodating cavity and abuts against the inner wall of the accommodating cavity.
Preferably, the fixing mechanism further includes a stopper, the stopper is connected to the positioning seat, and the stopper abuts against one end of the sleeve to limit the relative position of the sleeve and the positioning seat.
Preferably, the adjusting assembly comprises an adjusting bolt, and the adjusting bolt penetrates through the stop block and abuts against the first end of the long needle valve.
Preferably, the adjusting assembly further comprises an adjusting nut, wherein the adjusting nut is connected to the adjusting bolt in a threaded mode and abuts against the stop block.
Preferably, the stop block is provided with a threaded hole, and the threaded hole is used for the adjusting bolt to pass through.
Preferably, the stop block is provided with a first mounting hole, the positioning seat is provided with a second mounting hole corresponding to the first mounting hole, and the first bolt penetrates through the first mounting hole and is in threaded connection with the second mounting hole.
The utility model has the beneficial effects that:
according to the processing device with the circumferentially uniformly distributed flat positions, the length of the second end of the long needle valve is adjusted through the adjusting assembly, so that the length of the second end of the long needle valve can be conveniently adjusted to a length suitable for processing the flat positions; the long needle valve is locked by the locking assembly and is prevented from moving during machining, so that the machining precision is not accurate. According to the utility model, the fixture is turned over manually, so that three pairs of flat positions can be uniformly distributed, a rotating mechanism is not required, and the design difficulty is reduced. Carry out the flat position of abrasive machining on flat grinder, adopt to vibrate the grinding mode, can make the flat position of processing reach higher plane degree quality to vibrate the in-process, the emery wheel leaves the part surface, makes the cooling more abundant, avoids burning part surface, and has improved machining efficiency.
Drawings
FIG. 1 is a schematic structural view of a fixing mechanism clamping a long needle valve provided by an embodiment of a processing device with flat positions uniformly distributed in the circumferential direction;
FIG. 2 is a schematic structural diagram of a positioning seat provided in an embodiment of the processing device with flat positions uniformly distributed in the circumferential direction;
FIG. 3 is a schematic structural diagram of a sleeve provided by an embodiment of the processing device with flat positions uniformly distributed in the circumferential direction;
fig. 4 is a schematic structural diagram of a stop block provided by the embodiment of the processing device with flat positions uniformly distributed in the circumferential direction.
In the figure:
100. a long needle valve;
1. positioning seats; 11. a second abutting portion; 12. a positioning part; 13. an abutment bolt;
2. a sleeve; 21. a sleeve body; 211. a first abutting portion; 22. a sleeve interface;
3. an adjustment assembly; 31. adjusting the bolt; 32. adjusting the nut;
4. a locking assembly; 41. a chuck; 42. a nut;
5. a stopper; 51. a threaded hole; 52. a first mounting hole;
6. and (5) grinding wheels.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The existing long needle valve flat position processing 100 adopts a cylindrical grinding machine to process, and a dividing head of a headstock of the cylindrical grinding machine has a rotation jumping error, so that the processing precision of three pairs of flat position heights is further reduced. In addition, the cylindrical grinding machine adopts a cut-in type flat position grinding mode, the flat shape of the finally formed flat position is fitted with the shape of the circular grinding wheel, the flat position is slightly concave and is not a complete plane, the circular grinding wheel is always close to the outer wall of the long needle valve 100 in the machining process, the ground part cannot effectively dissipate heat, and the surface of a part is easily burnt.
In order to improve the machining precision of the flat position of production length needle valve 100, this embodiment provides a processingequipment of the flat position of circumference equipartition, as shown in fig. 1, the processingequipment of the flat position of circumference equipartition includes fixed establishment and flat grinder, fixed establishment includes positioning seat 1, sleeve 2, adjusting part 3 and locking Assembly 4, establish and fix in positioning seat 1 with 2 covers of sleeve, seted up on sleeve 2 and held the chamber, set up the first end setting of length needle valve 100 and holding the intracavity, expose its second end and set up and holding the chamber outside, the second end is used for processing flat position. The adjusting component 3 is arranged in the accommodating cavity and abutted to the first end of the long needle valve 100, and the abutting first end of the adjusting component 3 can adjust the length of the second end of the long needle valve 100 extending out of the accommodating cavity, so that the flat position of the long needle valve 100 can be conveniently processed. The locking assembly 4 is wrapped around the long needle valve 100 and connected to the sleeve 2, and when the machining length of the second end of the long needle valve 100 is adjusted, the locking assembly 4 fixes the long needle valve 100 to prevent the long needle valve 100 from moving during machining.
Referring to fig. 1, the positioning seat 1 is placed on a table of a surface grinder and attached to the table, so as to position the flat position machining angle of the long needle valve 100, the grinding wheel 6 is vertically arranged with the second end of the long needle valve 100, a boss is arranged on the grinding wheel 6, and the grinding wheel 6 is used to grind the second end of the long needle valve 100, thereby completing a pair of flat positions. The constructor makes the positioning seat 1 rotate 120 degrees and then attach to the workbench, the positioning seat 1 drives the long needle valve 100 to rotate 120 degrees, and the grinding wheel 6 is used again to grind the second end of the long needle valve 100, so that a second flat alignment is processed.
According to the processing device with the circumferentially uniformly distributed flat positions, the length of the second end of the long needle valve 100 is adjusted through the adjusting component 3, so that the length of the second end of the long needle valve can be conveniently adjusted to a proper length for processing the flat positions; the long needle valve 100 is locked by the locking assembly 4 and is prevented from moving during machining, so that the machining precision is not accurate. This embodiment passes through artifical upset anchor clamps, can reach the equipartition of three pairs of flat positions, need not set up rotary mechanism, has reduced the design degree of difficulty. Carry out the flat position of abrasive machining on flat grinder, adopt to vibrate the grinding mode, can make the flat position of processing reach higher plane degree quality to vibrate the in-process, emery wheel 6 leaves the part surface, makes the cooling more abundant, avoids burning part surface, and improves machining efficiency greatly.
Optionally, as shown in fig. 1 to fig. 3, the sleeve 2 includes a sleeve main body 21 and a sleeve interface 22, the sleeve main body 21 is sleeved in the positioning seat 1, and the sleeve interface 22 is disposed outside the positioning seat 1. Three first abutting parts 211 are uniformly arranged on the sleeve main body 21 along the circumferential direction, a second abutting part 11 is arranged on the outer wall of the positioning seat 1 corresponding to the first abutting part 211, a threaded hole is formed in the second abutting part 11, and the abutting bolt 13 is in threaded connection with the threaded hole and abutted against the first connecting part, so that the sleeve 2 is fixed and prevented from moving. Meanwhile, the position of the sleeve 2 in the positioning seat 1 can be finely adjusted by adjusting the ejection distance of the abutting bolt 13.
Specifically, as shown in fig. 1 to 3, three positioning portions 12 are uniformly arranged on the outer wall of the positioning seat 1 along the circumferential direction thereof, the three positioning portions 12 are distributed on the outer wall of the positioning seat 1 at 120 °, the positioning portions 12 and the second abutting portions 11 are arranged at intervals, one second abutting portion 11 is clamped between the two positioning portions 12, the positioning portions 12 of the positioning seat 1 are attached to the workbench of the surface grinding machine, after one pair of flat positions is processed, the positioning seat 1 is rotated, the other positioning portion 12 is attached to the workbench, and then the next pair of flat positions is processed, so that the adjustment of the processing angles of the three pairs of flat positions is realized, and the implementation is convenient. Meanwhile, the ejection distance of the abutting bolt 13 is adjusted, so that the distances from the central position of the sleeve 2 to the three position parts 12 of the positioning seat 1 are equal, and the processing precision of the flat position is improved.
Alternatively, as shown in fig. 1 to 3, the locking assembly 4 includes a collet 41 and a nut 42, the collet 41 is inserted into the accommodating cavity, the long needle valve 100 is inserted into the collet 41, the collet 41 embraces the outer wall of the long needle valve 100, the nut 42 is sleeved on the collet 41 and is screwed to the sleeve interface 22 of the sleeve 2, and the nut 42 is screwed until the long needle valve 100 is clamped, so as to fix the long needle valve 100 and prevent the long needle valve 100 from shaking when processing the flat position.
Specifically, the chuck 41 includes a small-end chuck and a large-end chuck provided with a nut 42, the small-end chuck is inserted into the sleeve interface 22, and the nut 42 is screwed up by rotation, so that the small-end chuck abuts against the inner wall of the sleeve interface 22, the small-end chuck and the conical surface of the sleeve interface 22 are positioned, the fixed long needle valve 100 is more stable, and the clamping effect is more remarkable.
Optionally, referring to fig. 1 and fig. 4, the fixing mechanism further includes a stopper 5, and the stopper 5 is detachably connected to the positioning seat 1 and abuts against one end of the sleeve 2, so as to limit the relative position of the sleeve 2 and the positioning seat 1. And the stopper 5 blocks the containing cavity of the sleeve 2 to prevent dust or sundries from entering the containing cavity.
Specifically, dog 5 has seted up first mounting hole 52, and positioning seat 1 has seted up the second mounting hole corresponding first mounting hole 52, and first bolt is worn to locate first mounting hole 52 and threaded connection in the second mounting hole to realize dog 5 and positioning seat 1's connection, fixed dog 5 prevents that it from losing or shifting and exposes and hold the chamber.
Alternatively, referring to fig. 1, the adjusting assembly 3 includes an adjusting bolt 31, the adjusting bolt 31 passes through the stopper 5 and is disposed in the accommodating cavity, an end of the adjusting bolt 31 abuts against a first end of the long needle valve 100, and a length of a second end of the long needle valve 100 is adjusted by screwing the adjusting bolt 31.
Specifically, referring to fig. 1 and 4, a threaded hole 51 is formed in the stopper 5, the adjusting bolt 31 passes through the threaded hole and abuts against the first end of the long needle valve 100, and the adjusting bolt 31 is in threaded connection with the threaded hole 51, so that the adjusting bolt 31 abuts against the first end of the long needle valve 100.
Specifically, referring to fig. 1, the adjusting assembly 3 further includes an adjusting nut 32, the adjusting nut 32 is sleeved on the adjusting bolt 31, the adjusting nut 32 is tightened and abutted against the stopper 5, so that the adjusting nut 31 is fixed to prevent the long needle valve 100 from being pushed by a shaking error, the adjusting nut is matched with the locking assembly 4 to fix the position of the long needle valve 100, and the long needle valve 100 is prevented from moving.
In the description of the present embodiments, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In this embodiment, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the utility model. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a processingequipment of flat position of circumference equipartition which characterized in that includes:
fixing mechanism, fixing mechanism includes positioning seat (1), sleeve (2), adjusting part (3) and locking Assembly (4), sleeve (2) part sets up in positioning seat (1), sleeve (2) are provided with and hold the chamber, long needle valve (100) including set up in hold the intracavity first end with stretch out hold the second end in chamber, adjusting part (3) are configured to stretch into hold the intracavity and butt in the first end of long needle valve (100), adjusting part (3) are used for adjusting the length that long needle valve (100) stretches out the second end in holding the chamber, locking Assembly (4) embrace in long needle valve (100) and be connected in sleeve (2);
the surface grinding machine comprises a workbench and a grinding wheel (6), the positioning seat (1) can be attached to the workbench, the grinding wheel (6) is perpendicular to the second end of the long needle valve (100), and the grinding wheel (6) is used for grinding the second end of the long needle valve (100) to form a pair of flat positions.
2. The processing device of the circumferentially uniformly distributed flat positions according to claim 1, wherein the sleeve (2) has three first abutting portions (211) uniformly arranged along the circumferential direction thereof, the positioning seat (1) has a second abutting portion (11) corresponding to the first abutting portions (211), the second abutting portion (11) has a threaded hole, and an abutting bolt (13) is in threaded connection with the threaded hole and abuts against the first abutting portions (211).
3. The processing device of the circumferentially uniformly distributed flat positions according to claim 2, wherein the positioning seat (1) is further provided with three positioning portions (12) uniformly arranged along the circumferential direction thereof, one second abutting portion (11) is clamped between the two positioning portions (12), and the positioning portions (12) can be attached to the workbench.
4. The processing device of the circumferentially uniformly distributed flat positions as claimed in claim 1, wherein the locking assembly (4) comprises a chuck (41) and a nut (42), the chuck (41) embraces the long needle valve (100) and partially extends into the accommodating cavity, and the nut (42) is sleeved on the chuck (41) and is in threaded connection with the sleeve (2).
5. The processing device of the circumferentially uniformly distributed flat positions as claimed in claim 4, wherein the chucks (41) comprise a small end chuck and a large end chuck provided with a nut (42) in a sleeved mode, and the small end chuck extends into the accommodating cavity and abuts against the inner wall of the accommodating cavity.
6. The machining device for evenly distributed flat positions in the circumferential direction according to claim 1, wherein the fixing mechanism further comprises a stop block (5), the stop block (5) is connected to the positioning seat (1), and the stop block (5) abuts against one end of the sleeve (2) so as to limit the relative positions of the sleeve (2) and the positioning seat (1).
7. A machining device with circumferentially evenly distributed flat positions according to claim 6, characterized in that the adjusting assembly (3) comprises an adjusting bolt (31), and the adjusting bolt (31) penetrates through the stop block (5) and abuts against the first end of the long needle valve (100).
8. The machining device for evenly distributed flat positions in the circumferential direction according to claim 7, wherein the adjusting assembly (3) further comprises an adjusting nut (32), and the adjusting nut (32) is in threaded connection with the adjusting bolt (31) and abuts against the stop block (5).
9. The machining device for evenly distributed flat positions in the circumferential direction is characterized in that the stop block (5) is provided with a threaded hole (51), and the adjusting bolt (31) is in threaded connection with the threaded hole (51).
10. The machining device for the circumferentially uniformly distributed flat positions according to claim 6, wherein the stopper (5) is provided with a first mounting hole (52), the positioning seat (1) is provided with a second mounting hole corresponding to the first mounting hole (52), and a first bolt is inserted into the first mounting hole (52) and is in threaded connection with the second mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028853.4U CN215432967U (en) | 2021-08-26 | 2021-08-26 | Processing device for circumferentially uniformly distributing flat positions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028853.4U CN215432967U (en) | 2021-08-26 | 2021-08-26 | Processing device for circumferentially uniformly distributing flat positions |
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| Publication Number | Publication Date |
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| CN215432967U true CN215432967U (en) | 2022-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122028853.4U Active CN215432967U (en) | 2021-08-26 | 2021-08-26 | Processing device for circumferentially uniformly distributing flat positions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420169A (en) * | 2022-09-14 | 2022-12-02 | 一汽解放汽车有限公司 | End face distance measuring device and method |
-
2021
- 2021-08-26 CN CN202122028853.4U patent/CN215432967U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115420169A (en) * | 2022-09-14 | 2022-12-02 | 一汽解放汽车有限公司 | End face distance measuring device and method |
| CN115420169B (en) * | 2022-09-14 | 2024-05-14 | 一汽解放汽车有限公司 | End face distance measuring device and method |
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