CN214322639U - Special tool of automobile fuel injector nozzle hole processing - Google Patents
Special tool of automobile fuel injector nozzle hole processing Download PDFInfo
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- CN214322639U CN214322639U CN202120197881.6U CN202120197881U CN214322639U CN 214322639 U CN214322639 U CN 214322639U CN 202120197881 U CN202120197881 U CN 202120197881U CN 214322639 U CN214322639 U CN 214322639U
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Abstract
The utility model discloses a special tool for processing fuel injection holes of automobile fuel injectors, which comprises a bottom plate, wherein the upper surface of the bottom plate is provided with a vertical plate, the front surface of the vertical plate is divided into two fuel injection hole processing stations of the automobile fuel injectors side by side, and the upper part and the lower part of each fuel injection hole processing station of the automobile fuel injectors are provided with a group of guide pin assemblies, a group of positioning pin assemblies and a group of compression assemblies; each group of guide pin assemblies consists of a guide pin fixing seat and a guide pin, each group of positioning pin assemblies consists of a positioning pin mounting seat, a positioning pin, a floating joint, a thin cylinder and a pressure sensor, and each group of pressing assemblies consists of a telescopic cylinder, a connecting rod mechanism and a workpiece contact block. The utility model has the advantages of the location is accurate, presss from both sides tightly to loosen safe and reliable, and the work piece presss from both sides tightly to put in place and detects accurately, can improve machining efficiency and yields greatly, has satisfied the user demand of numerical control electric spark perforating machine tool, is particularly suitable for being used for automation line.
Description
Technical Field
The utility model belongs to processing tool field, concretely relates to special tool of auto injector nozzle opening processing.
Background
The automobile fuel injector is usually made of nichrome, and the nichrome has the characteristics of good rust prevention, high hardness and enough toughness. The rejection rate of machining the oil injection hole of the automobile oil injector by using the traditional machining method is high, and the quality is difficult to meet the use requirement, so that the oil injection hole machining of the automobile oil injector by using a numerical control machine has been carried out at present. However, the existing automobile fuel injector jig used in cooperation with a numerical control machine tool has the defects of low workpiece positioning accuracy, low safety and reliability of clamping and loosening, long response time, unstable work and the like, so that the requirement of an automatic production line is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The defect to prior art exists, the utility model provides a special tool of automobile fuel injector nozzle opening processing to satisfy the user demand of numerical control electric spark piercing machine tool, the manipulator loading and unloading of being convenient for simultaneously.
For solving the technical problem, realize above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
a special jig for machining the oil injection hole of an automobile oil injector comprises a bottom plate, wherein a vertical plate is arranged on the upper surface of the bottom plate, two automobile oil injector oil injection hole machining stations are divided on the front surface of the vertical plate side by side, and a group of guide pin assemblies for guiding and positioning, a group of positioning pin assemblies for accurately positioning and a group of pressing assemblies for pressing workpieces are arranged on the upper portion and the lower portion of each automobile oil injector oil injection hole machining station; each group of guide pin assemblies consists of a guide pin fixing seat and a guide pin, the guide pin fixing seat is fixedly arranged on the front surface of the vertical plate, and the guide pin is fixedly arranged at the front end of the guide pin fixing seat; each group of the positioning pin assemblies consists of a positioning pin mounting seat, a positioning pin, a floating joint and a thin cylinder, wherein the positioning pin mounting seat is fixedly mounted on the front surface of the vertical plate, the positioning pin is mounted at the front end of the positioning pin mounting seat in a manner of moving back and forth, a pressure sensor for detecting whether a workpiece is clamped in place is arranged at the front end of the positioning pin mounting seat, the thin cylinder is fixedly mounted on the rear surface of the vertical plate, a cylinder rod of the thin cylinder is connected with the tail end of the floating joint, and the head end of the floating joint penetrates through the positioning pin mounting seat and then is connected with the rear end of the positioning pin; each group of pressing assemblies comprises a telescopic cylinder, a connecting rod mechanism and a workpiece contact block, the telescopic cylinder is fixedly arranged on the front surface of the vertical plate, the connecting rod mechanism is rotatably arranged on a cylinder rod of the telescopic cylinder, and the workpiece contact block is fixedly arranged on the inner side surface of the connecting rod mechanism.
Furthermore, the guide pin assembly, the positioning pin assembly and the compression assembly which are positioned above or below are arranged on the front surface of the vertical plate side by side, the guide pin assembly is positioned in the middle and corresponds to a left assembling hole of the automobile fuel injector, the positioning pin assembly is positioned on the right side and corresponds to a right assembling hole of the automobile fuel injector, and the compression assembly is positioned on the left side.
Furthermore, four apex angle departments of bottom plate lower surface all are provided with the T type groove nut that is used for with lathe be assembled between/be connected.
Furthermore, four vertex angles of the upper surface of the bottom plate are provided with hoisting holes convenient to hoist.
Furthermore, a supporting plate for reinforcing is arranged between the rear surface of the vertical plate and the upper surface of the bottom plate.
Further, a jig shield is arranged at the rear part of the vertical plate.
Furthermore, the edge of the jig shield and the edge of the vertical plate are provided with sealing rubber pads.
Furthermore, an upper group of scrap blowing components and a lower group of scrap blowing components are arranged on each oil injection hole machining station of the automobile oil injector.
Furthermore, the workpiece contact block and the auxiliary compression column are made of brass.
Further, the positioning pin is a cylindrical pin or a diamond pin.
Further, the pressure sensor adopts an ISA3 pressure sensor.
Furthermore, each automobile fuel injector oil injection hole machining station is provided with a mistake-proofing plate for preventing other workpieces from being placed in the jig in a wrong mode, and the mistake-proofing plate is fixedly installed on the top of the front surface of the vertical plate.
The utility model has the advantages that:
the utility model discloses a fixed guide pin cooperation floating positioning pin's locate mode, realize automobile fuel injector's quick accurate location, and adopt pneumatic means to promote the tight safe reliability degree of loosening of clamp, shorten response time, improve job stabilization nature, adopt pressure sensor to detect automobile fuel injector's the tight state that targets in place of clamp simultaneously, consequently, this automobile fuel injector nozzle opening processing special tool has the location accurate, press from both sides to loosen safe and reliable, the work piece presss from both sides to target in place and detects advantages such as accuracy, machining efficiency and yields can be greatly improved, the user demand of numerical control electric spark perforating lathe has been satisfied, be particularly suitable for being used for automation line.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a side view of a guide pin assembly and a dowel assembly of the present invention;
FIG. 4 is a front view of an automotive fuel injector.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. The description as set forth herein is intended to provide a further understanding of the invention and forms a part of this application and the exemplary embodiments and descriptions thereof are presented for purposes of illustration and description and are not intended to limit the invention in any way.
Referring to fig. 1-4, a special jig for machining an oil injection hole of an automobile oil injector comprises a bottom plate 1, wherein a vertical plate 2 is arranged on the upper surface of the bottom plate 1, two automobile oil injector oil injection hole machining stations are divided on the front surface of the vertical plate 2 side by side, and a group of guide pin assemblies for guiding and positioning, a group of positioning pin assemblies for precise positioning and a group of pressing assemblies for pressing workpieces are arranged on the upper part and the lower part of each automobile oil injector oil injection hole machining station; each group of guide pin assemblies consists of a guide pin fixing seat 3 and a guide pin 4, the guide pin fixing seat 3 is fixedly arranged on the front surface of the vertical plate 2, and the guide pin 4 is fixedly arranged at the front end of the guide pin fixing seat 3; each group of the positioning pin assemblies consists of a positioning pin mounting seat 5, a positioning pin 6, a floating joint 7 and a thin cylinder 8, wherein the positioning pin mounting seat 5 is fixedly mounted on the front surface of the vertical plate 2, the positioning pin 6 is mounted at the front end of the positioning pin mounting seat 5 in a manner of moving back and forth, a pressure sensor for detecting whether a workpiece is clamped in place is arranged at the front end of the positioning pin mounting seat 5, the thin cylinder 8 is fixedly mounted on the rear surface of the vertical plate 2, a cylinder rod of the thin cylinder 8 is connected with the tail end of the floating joint 7, and the head end of the floating joint 7 penetrates through the positioning pin mounting seat 5 and then is connected with the rear end of the positioning pin 6; each group of the pressing assemblies comprises a telescopic cylinder 9, a link mechanism 10 and a workpiece contact block 11, the telescopic cylinder 9 is fixedly installed on the front surface of the vertical plate 2, the link mechanism 10 is rotatably installed on a cylinder rod of the telescopic cylinder 9, and the workpiece contact block 11 is fixedly installed on the inner side surface of the link mechanism 10.
Furthermore, four top corners of the lower surface of the bottom plate 1 are provided with T-shaped groove nuts 12 for being assembled and connected with a machine tool.
Furthermore, four top corners of the upper surface of the bottom plate 1 are provided with hoisting holes 13 convenient for hoisting.
Further, a supporting plate 14 for reinforcement is disposed between the rear surface of the upright plate 2 and the upper surface of the base plate 1.
Further, a jig shield is arranged at the rear part of the vertical plate 2.
Further, the edge of the jig shield and the edge of the vertical plate 2 are provided with sealing rubber pads.
Furthermore, an upper group of scrap blowing components and a lower group of scrap blowing components are arranged on each oil injection hole machining station of the automobile oil injector.
Furthermore, the workpiece contact block 11 and the auxiliary compression leg are made of brass.
Further, the positioning pin 6 is a cylindrical pin or a diamond pin.
Further, the pressure sensor adopts an ISA3 pressure sensor.
Furthermore, each automobile fuel injector oil injection hole machining station is provided with a mistake-proofing plate for preventing other workpieces from being placed in the jig in a wrong mode, and the mistake-proofing plate is fixedly installed on the top of the front surface of the vertical plate 2.
The working principle of the utility model is as follows:
the utility model can simultaneously punch two automobile fuel spray pipes, firstly, two automobile fuel spray pipes 15 to be processed are transferred to two automobile fuel spray hole processing stations by an automobile fuel spray pipe manipulator, the automobile fuel spray pipes 15 are roughly positioned by the upper and lower guide pins 4 of each station, then the upper and lower thin cylinders 8 of each station start working, the positioning pins 6 are driven to move forwards by the floating joints 7, thereby the automobile fuel spray pipes 15 are accurately positioned, the floating joints 7 can eliminate errors, the retardation phenomenon of the positioning pins 6 is avoided, then the upper and lower telescopic cylinders 9 of each station start working, the connecting rod mechanism 10 is driven to turn to the front surface of the automobile fuel spray pipes 15, the workpiece contact block 11 on the connecting rod mechanism 10 is enabled to tightly press the automobile fuel spray pipes 15, and then whether the automobile fuel spray pipes 15 are tightly clamped or not is detected by the air pressure sensor on the positioning pin mounting seat 5, and if the automobile oil injection pipe is not clamped in place, restarting the action after feeding, if the automobile oil injection pipe is clamped in place, informing the manipulator to withdraw, starting to perform electric spark punching on an oil injection hole of the automobile oil injection pipe 15 after receiving a manipulator withdrawal signal, after the machining is finished, driving the floating joint 7 to retract by the thin cylinder 8, returning the positioning pin 6, driving the connecting rod mechanism 10 to rotate away from the front surface of the automobile oil injection pipe 15 by the telescopic cylinder 9, and finally discharging the machined automobile oil injection pipe 15 by the automobile oil injection pipe manipulator.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a special tool of automobile fuel injector nozzle opening processing which characterized in that: the automobile fuel injector oil injection hole machining device comprises a bottom plate (1), wherein a vertical plate (2) is arranged on the upper surface of the bottom plate (1), two automobile fuel injector oil injection hole machining stations are divided on the front surface of the vertical plate (2) side by side, and a group of guide pin assemblies for guiding and positioning, a group of positioning pin assemblies for accurate positioning and a group of pressing assemblies for pressing workpieces are arranged on the upper portion and the lower portion of each automobile fuel injector oil injection hole machining station; each group of guide pin assemblies consists of a guide pin fixing seat (3) and a guide pin (4), the guide pin fixing seat (3) is fixedly arranged on the front surface of the vertical plate (2), and the guide pin (4) is fixedly arranged at the front end of the guide pin fixing seat (3); each group of locating pin assemblies consists of a locating pin mounting seat (5), a locating pin (6), a floating joint (7) and a thin cylinder (8), wherein the locating pin mounting seat (5) is fixedly mounted on the front surface of the vertical plate (2), the locating pin (6) can be mounted at the front end of the locating pin mounting seat (5) in a back-and-forth movement manner, a pressure sensor for detecting whether a workpiece is clamped in place is arranged at the front end of the locating pin mounting seat (5), the thin cylinder (8) is fixedly mounted on the back surface of the vertical plate (2), a cylinder rod of the thin cylinder (8) is connected with the tail end of the floating joint (7), and the head end of the floating joint (7) penetrates through the locating pin mounting seat (5) and then is connected with the back end of the locating pin (6); each group of pressing components comprises a telescopic cylinder (9), a connecting rod mechanism (10) and a workpiece contact block (11), the telescopic cylinder (9) is fixedly installed on the front surface of the vertical plate (2), the connecting rod mechanism (10) is rotatably installed on a cylinder rod of the telescopic cylinder (9), and the workpiece contact block (11) is fixedly installed on the inner side surface of the connecting rod mechanism (10).
2. The special tool of automobile injector nozzle hole processing of claim 1, characterized in that: four vertex angles of the lower surface of the bottom plate (1) are provided with T-shaped groove nuts (12) used for being assembled and connected with a machine tool.
3. The special tool of automobile injector nozzle hole processing of claim 1, characterized in that: four top corners of the upper surface of the bottom plate (1) are provided with hoisting holes (13) convenient to hoist.
4. The special tool of automobile injector nozzle hole processing of claim 1, characterized in that: a supporting plate (14) for reinforcement is arranged between the rear surface of the vertical plate (2) and the upper surface of the bottom plate (1).
5. The special tool of automobile injector nozzle hole processing of claim 1, characterized in that: and a jig shield is arranged at the rear part of the vertical plate (2).
6. The special tool of automobile injector nozzle hole processing of claim 5, characterized in that: and sealing rubber pads are arranged at the edges of the jig shield and the vertical plate (2).
7. The special tool of automobile injector nozzle hole processing of claim 1, characterized in that: and an upper group of scrap blowing components and a lower group of scrap blowing components are arranged on each oil injection hole machining station of the automobile oil injector.
8. The special tool of automobile injector nozzle hole processing of claim 1, characterized in that: the positioning pin (6) is a cylindrical pin or a diamond pin.
9. The special tool of automobile injector nozzle hole processing of claim 1, characterized in that: and each automobile fuel injector oil injection hole machining station is provided with a mistake-proofing plate for preventing other workpieces from being placed in the jig in a wrong mode, and the mistake-proofing plate is fixedly installed on the top of the front surface of the vertical plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120197881.6U CN214322639U (en) | 2021-01-25 | 2021-01-25 | Special tool of automobile fuel injector nozzle hole processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120197881.6U CN214322639U (en) | 2021-01-25 | 2021-01-25 | Special tool of automobile fuel injector nozzle hole processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214322639U true CN214322639U (en) | 2021-10-01 |
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ID=77906344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120197881.6U Active CN214322639U (en) | 2021-01-25 | 2021-01-25 | Special tool of automobile fuel injector nozzle hole processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214322639U (en) |
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2021
- 2021-01-25 CN CN202120197881.6U patent/CN214322639U/en active Active
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