CN219986829U - Fixture for machining end face of common rail pipe joint - Google Patents
Fixture for machining end face of common rail pipe joint Download PDFInfo
- Publication number
- CN219986829U CN219986829U CN202320826770.6U CN202320826770U CN219986829U CN 219986829 U CN219986829 U CN 219986829U CN 202320826770 U CN202320826770 U CN 202320826770U CN 219986829 U CN219986829 U CN 219986829U
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- common rail
- face
- positioning
- supporting
- limiting
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- 238000003754 machining Methods 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Abstract
The utility model discloses a fixture for machining end faces of common rail pipe joints, which comprises a supporting and limiting unit, a positioning and clamping unit and a multidirectional jacking assembly, wherein supporting and limiting surfaces of a plurality of supporting and limiting units are respectively attached to the outer circumferential surface of a main pipe body of a common rail pipe in a supporting way, and the end face machining surface of the joint of the common rail pipe is arranged towards the right upper side; the positioning and clamping units are arranged corresponding to the mounting structures of the common rail pipe, are embedded and matched with positioning and mounting holes of the mounting structures, and are clamped and arranged relative to two opposite end faces of the mounting structures; the multiple jacks of the multidirectional jacking assembly are uniformly distributed and jacked on the outer circular surfaces of the two sides and the bottom of the main pipe body. The main pipe body is not easy to rotate, so that the processing precision and quality are improved when the end faces of all joints are processed.
Description
Technical Field
The utility model relates to the field of tool clamps, in particular to a tool clamp for machining an end face of a common rail pipe joint.
Background
The common rail pipe is an important part commonly used in a high-pressure common rail system, the side wall of the main pipe body of the common rail pipe is provided with a plurality of joints for correspondingly connecting a plurality of oil injectors, and the thickness of the annular wall of each lateral joint is required to be higher uniformly due to the requirement of high-pressure environment in the pipe, so that in the processing of the end face of the common rail pipe joint, the positioning accuracy of the end face processing end face is required to be ensured, the clamping stability of a material blank to be processed is ensured, the through holes at two ends of the main pipe are adopted as the reference for positioning in a common clamping mode, the outer circular face of the main pipe body is clamped and fixed, if the clamping is unstable, the pipe body is possibly caused to rotate, so that the end face processing end face of the joint is deviated, and the processing precision and the quality are influenced.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the tooling fixture for processing the end face of the common rail pipe joint, and the main pipe body is not easy to rotate, so that the processing precision and quality are improved when the end face of each joint is processed.
The technical scheme is as follows: in order to achieve the above purpose, the tooling fixture for processing the end face of the common rail pipe joint comprises a supporting and limiting unit, a positioning and clamping unit and a multi-directional jacking assembly, wherein the supporting and limiting surfaces of a plurality of supporting and limiting units are respectively attached to the outer round surface of a main pipe body of the common rail pipe in a supporting way, and the end face processing surface of the joint of the common rail pipe faces to the right upper side; the positioning and clamping units are arranged corresponding to the mounting structures of the common rail pipe, are embedded and matched with positioning and mounting holes of the mounting structures, and are clamped and arranged relative to two opposite end faces of the mounting structures; the multiple jacks of the multidirectional jacking assembly are uniformly distributed and jacked on the outer circular surfaces of the two sides and the bottom of the main pipe body.
Further, the supporting and limiting unit supports the end part of the main pipe body, and the multidirectional propping assembly is clamped and propped against the middle part of the main pipe body.
Further, the supporting and limiting unit comprises a height limiting block, the top end of the height limiting block is provided with a supporting and limiting surface, and the supporting and limiting surface is attached to the outer circular surface of the pipe body corresponding to one side of the mounting structure.
Further, the positioning and clamping unit comprises an angle limiting block, the side end face of the angle limiting block is attached to one side end face of the mounting structure, a side pressing block is pressed on the opposite side end face of the mounting structure, and the side pressing block is fixedly arranged at the output end of the rotary telescopic driving device.
Further, a positioning structure is arranged on the side end face of the angle limiting block, the positioning structure is sleeved and matched with the positioning mounting hole, and a through hole matched with the end part of the positioning structure is embedded and arranged on the compression end face of the side compression block.
Further, the top heads are respectively arranged corresponding to the bottom and two sides of the main pipe body.
Further, for the top rigid coupling that support spacing face one side set up is in initiative telescopic link tip, with the top rigid coupling that support spacing face homonymy set up is in buffering telescopic link tip, is located the top rigid coupling that the bottom side set up is in the lift ejector pin top, initiative telescopic link, buffering telescopic link and lift ejector pin all set up in flexible drive arrangement output, flexible drive arrangement all position distribution is arranged on the positioning base.
The beneficial effects are that: according to the tooling fixture for machining the end face of the common rail pipe joint, the main pipe body is basically positioned, and the positioning clamping unit is used for limiting the freedom degree of axial rotation of the main pipe body, so that the pipe body is prevented from rotating in machining, the deviation of the machined end face of the joint is prevented from generating precision errors, and finally the pipe body is clamped and fixed by the multidirectional jacking assembly, so that the clamping stability is ensured, and the precision and quality of machining the end face of the joint are effectively improved.
Drawings
FIG. 1 is a perspective view of an embodiment of the present solution;
FIG. 2 is a diagram showing a relationship between the position distribution structures of the modules according to an embodiment of the present utility model;
FIG. 3 is a schematic structural diagram of a supporting and limiting unit and a positioning and clamping unit according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a multidirectional tightening assembly according to an embodiment of the present utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
The fixture for machining the end face of the common rail pipe joint comprises a supporting and limiting unit 1, a positioning and clamping unit 2 and a multi-directional jacking assembly 3, wherein supporting and limiting surfaces 11 of the supporting and limiting units 1 are all attached to the outer circular surface of a main pipe body 4 of the common rail pipe in a supporting manner, and a joint end face machining surface 5 of the common rail pipe is arranged towards the right upper side; the positioning and clamping units 2 are arranged corresponding to the mounting structures 6 of the common rail pipe, and the positioning and clamping units 2 are embedded and matched with positioning and mounting holes 61 of the mounting structures 6 and are clamped and arranged relative to two opposite end surfaces of the mounting structures 6; the plugs 31 of the multidirectional jacking assembly 3 are uniformly distributed and jacked on the outer circumferential surfaces of the two sides and the bottom of the main pipe body 4.
According to the scheme, the basic positioning of the main pipe body is realized through the supporting and limiting unit, the positioning and clamping unit is utilized to perform positioning and matching on the mounting structure on the surface of the main pipe body, and the clamping and fixing are performed, so that the axial rotation freedom degree of the main pipe body is limited, the pipe body is prevented from rotating in the machining process, the pipe body is finally clamped and fixed by the multidirectional jacking component, the stability of clamping is guaranteed, and the precision and quality of the machining of the end face of the joint are improved.
As a preferred embodiment:
the supporting and limiting unit 1 supports the end part of the main pipe body 4, and the multidirectional propping assembly 3 is clamped and propped against the middle part of the main pipe body 4.
The supporting and limiting unit 1 comprises a height limiting block 12, the top end of the height limiting block 12 is provided with a supporting and limiting surface 11, and the supporting and limiting surface 11 is attached to the outer circular surface of the pipe body corresponding to one side of the mounting structure 6.
The positioning and clamping unit 2 comprises an angle limiting block 21, the side end face of the angle limiting block 21 is attached to the side end face of the mounting structure 6, a side pressing block 23 is pressed on the opposite side end face of the mounting structure 6, and the side pressing block 23 is fixedly arranged at the output end of the rotary telescopic driving device 25;
the mounting structure refers to an auxiliary structure for fixing and mounting the common rail pipe relative to a high-pressure common rail system in design, as shown in fig. 1, the common rail pipe is clamped, the mounting structure on the common rail pipe is a sheet metal part (mounting ear) provided with a through hole, the mounting ear is clamped by a side pressing block and an angle limiting block, and then the clamping and the fixing of the mounting ear can be realized.
A positioning structure 22 is arranged on the side end surface of the angle limiting block 21, the positioning structure 22 is sleeved and matched with the positioning mounting hole 61, and a through hole 24 which is embedded and matched with the end part of the positioning structure 22 is correspondingly arranged on the compression end surface of the side pressure block 23;
if the positioning structure is matched with the installation structure shown in fig. 3, the positioning structure adopts positioning pins, wherein a plurality of positioning and clamping units can be fixedly arranged only by part of the positioning pins for positioning and installing when the pipe blank is placed, the other part of the positioning and clamping units stretches out and matches with the corresponding positioning and installation holes after the pipe blank is positioned and placed, the operation of the manual work or the mechanical arm material placing process can be simplified, as shown in fig. 2, only two groups of positioning and clamping units are arranged, and the positioning and clamping units are respectively arranged corresponding to two installation structures on the main pipe body, so that any one of the two positioning structures stretches out and stretches back or is fixedly arranged.
The plugs 31 are respectively arranged at the bottom and two sides of the main pipe body 4, and apply pressure in a plurality of directions except the direction of the processing end face, so that the clamping and fixing of the pipe fitting are realized, and meanwhile, the external force applied to the pipe fitting blank by the cutter during processing can be counteracted, and the damage to the pipe fitting is avoided.
The top 31 arranged on one side relative to the supporting and limiting surface 11 is fixedly connected to the end part of the active telescopic rod 32, the top 31 arranged on the same side as the supporting and limiting surface 11 is fixedly connected to the end part of the buffer telescopic rod 33, the top 31 arranged on the bottom side is fixedly connected to the top end of the lifting ejector rod 34, the active telescopic rod 32, the buffer telescopic rod 33 and the lifting ejector rod 34 are all arranged at the output end of the telescopic driving device 35, and the telescopic driving devices 35 are respectively arranged on the positioning base 36 in opposite positions;
the three jacks can sequentially act, firstly, the corresponding jack is driven by the active telescopic rod to press the pipe body in the direction of the supporting limiting surface by the active telescopic rod, so that the pipe body is contacted with the jack on the opposite side, the buffer telescopic rod on the opposite side is utilized to play a role in buffering, the acting force of the jack on the end part of the active telescopic rod on the pipe body is slowed down, and then the corresponding jack is driven by the buffer telescopic rod to press the pipe body by the action, so that the pipe body is completely clamped and limited in the horizontal direction; and finally, the lifting ejector rod is driven by the air motion to apply supporting force to the pipe body from the bottom to the corresponding ejector head, so that the pipe body is further ensured to be clamped stably.
The specific clamping steps are as follows:
the pipe fitting blank to be processed is placed at the top end of the supporting and limiting unit according to the processing requirement of the end face of the joint, the position of the pipe fitting is adjusted, the positioning structure is matched with the corresponding positioning and mounting hole, the end face of the ear is matched with the angle limiting surface, then the two jacking heads in the horizontal direction are sequentially driven to jack up relative to the outer wall of the pipe body, then the corresponding mounting structure is clamped by the action of the side pressing block, and finally the jacking heads at the bottom side are driven to jack up, so that the whole clamping process is completed.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (7)
1. A frock clamp is used in processing of common rail coupling terminal surface, its characterized in that: the multi-direction support device comprises a support limiting unit (1), a positioning clamping unit (2) and a multi-direction jacking assembly (3), wherein support limiting surfaces (11) of the support limiting units (1) are attached to the outer circular surface of a main pipe body (4) of a common rail pipe in a supporting manner, and joint end surface machining surfaces (5) of the common rail pipe are arranged towards the right upper direction; the positioning and clamping units (2) are arranged corresponding to the mounting structures (6) of the common rail pipe, and the positioning and clamping units (2) are embedded and matched with positioning and mounting holes (61) of the mounting structures (6) and are clamped and arranged relative to two opposite end faces of the mounting structures (6); the plurality of top heads (31) of the multidirectional propping assembly (3) are uniformly distributed and propped against the two sides of the main pipe body (4) and the outer circular surface of the bottom.
2. The tooling fixture for machining the end face of the common rail pipe joint according to claim 1, wherein: the supporting and limiting unit (1) supports the end part of the main pipe body (4), and the multidirectional jacking component (3) is clamped and jacked on the middle part of the main pipe body (4).
3. The tooling fixture for machining the end face of the common rail pipe joint according to claim 2, wherein: the supporting and limiting unit (1) comprises a height limiting block (12), the top end of the height limiting block (12) is provided with a supporting and limiting surface (11), and the supporting and limiting surface (11) is attached to the outer circular surface of the pipe body corresponding to one side of the mounting structure (6).
4. The tooling fixture for machining the end face of the common rail pipe joint according to claim 3, wherein: the positioning and clamping unit (2) comprises an angle limiting block (21), wherein the side end face of the angle limiting block (21) is attached to one side end face of the mounting structure (6), a side pressing block (23) is pressed on the opposite side end face of the mounting structure (6), and the side pressing block (23) is fixedly arranged at the output end of the rotating and stretching driving device (25).
5. The tooling fixture for machining the end face of the common rail pipe joint as claimed in claim 4, wherein: the side end face of the angle limiting block (21) is provided with a positioning structure (22), the positioning structure (22) is sleeved and matched with the positioning mounting hole (61), and the compression end face of the side pressure block (23) is correspondingly provided with a through hole (24) which is embedded and matched with the end part of the positioning structure (22).
6. The tooling fixture for machining the end face of the common rail pipe joint according to claim 5, wherein: the top heads (31) are respectively arranged at the bottom and two sides of the main pipe body (4).
7. The tooling fixture for machining the end face of the common rail pipe joint as claimed in claim 6, wherein: the jack (31) which is arranged on one side of the supporting limiting surface (11) is fixedly connected to the end part of the active telescopic rod (32), the jack (31) which is arranged on the same side of the supporting limiting surface (11) is fixedly connected to the end part of the buffer telescopic rod (33), the jack (31) which is arranged on the bottom side is fixedly connected to the top end of the lifting ejector rod (34), the active telescopic rod (32), the buffer telescopic rod (33) and the lifting ejector rod (34) are all arranged at the output end of the telescopic driving device (35), and the telescopic driving device (35) is distributed on the positioning base (36) in a uniform position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320826770.6U CN219986829U (en) | 2023-04-14 | 2023-04-14 | Fixture for machining end face of common rail pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320826770.6U CN219986829U (en) | 2023-04-14 | 2023-04-14 | Fixture for machining end face of common rail pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219986829U true CN219986829U (en) | 2023-11-10 |
Family
ID=88608287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320826770.6U Active CN219986829U (en) | 2023-04-14 | 2023-04-14 | Fixture for machining end face of common rail pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219986829U (en) |
-
2023
- 2023-04-14 CN CN202320826770.6U patent/CN219986829U/en active Active
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