CN212634381U - Detection frock of taking one's place - Google Patents
Detection frock of taking one's place Download PDFInfo
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- CN212634381U CN212634381U CN202020915157.8U CN202020915157U CN212634381U CN 212634381 U CN212634381 U CN 212634381U CN 202020915157 U CN202020915157 U CN 202020915157U CN 212634381 U CN212634381 U CN 212634381U
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- piston
- compressed air
- air inlet
- place
- positioning
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Abstract
The utility model belongs to the technical field of the piston finish boring device, specifically, relate to a take one's place and detect frock, including location tang dish, be equipped with the air vent on the location terminal surface of location tang dish, the last location tang face of location terminal surface and piston contacts, and the lateral part of location tang dish is equipped with the compressed air inlet port, the air vent is linked together with the compressed air inlet port, the external connection of compressed air inlet port has the compressed air intake pipe, be equipped with pressure sensor in the compressed air intake pipe, pressure sensor is connected with the PLC controller electricity of piston finish boring lathe. The beneficial effects of the utility model are that, device simple structure, convenient operation can realize the piston and take one's place the short-term test of precision, and takes one's place and detect the precision and can reach 0.02mm to guarantee the machining precision of piston finish boring hole, prevent the processing waste product.
Description
Technical Field
The utility model belongs to the technical field of the piston finish boring hole device, specifically, relate to a take one's place and detect frock.
Background
The piston is the heart of the engine, the piston quality is directly related to the emission and the performance of the engine, the piston is matched with a piston pin through a pin hole and is connected with a connecting rod to move, and the form and position tolerance precision of the piston pin hole directly influences the movement of the piston in a cylinder sleeve; in the production process of the piston, the technological equipment and the processing technology of the pin hole fine boring process are the fundamental guarantee of the form and position tolerance of the pin hole. In the prior art, before the piston is precisely bored, the piston needs to be placed on a positioning spigot disc on a precise boring seat, and when sundries or installation errors exist in a spigot gasket of the piston, the boring precision of the piston is affected, and machining waste products appear.
Therefore, a new tool for detecting the position of the piston is needed to realize the quick detection of the position accuracy of the piston, ensure the boring accuracy of the piston and prevent the occurrence of processing waste products.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a take one's place and detect frock, including location tang dish, be equipped with the air vent on the location terminal surface of location tang dish, the last location tang face of location terminal surface and piston contacts, and the lateral part of location tang dish is equipped with the compressed air inlet port, the air vent is linked together with the compressed air inlet port, the external connection of compressed air inlet port has the compressed air intake pipe, be equipped with pressure sensor in the compressed air intake pipe, pressure sensor is connected with the PLC controller electricity of the piston finish boring lathe.
Preferably, the center of the positioning spigot disc is provided with a rotating shaft connecting hole, the positioning spigot disc is further provided with two piston positioning holes, and the two piston positioning holes are symmetrically arranged on two sides of the rotating shaft connecting hole, so that the positioning of the piston and the connection of the positioning spigot disc and a piston fine boring machine tool are facilitated.
Preferably, the vent hole and the compressed air inlet hole are respectively and symmetrically arranged along the axial direction of the positioning spigot disc, one vent hole corresponds to one compressed air inlet hole, when one vent hole is blocked, the other vent hole can still work normally, and the accuracy of in-place detection is ensured.
The vent hole can be round due to the position limitation, and also can be of special-shaped structures such as square, conical and semicircular structures, preferably round, so that the processing is convenient.
The utility model discloses still including can making this take one's place and detect other devices or subassemblies that the frock normally used, be the conventional technological means in this field. In addition, the device or the component which is not limited in the utility model adopts the conventional technical means in the field.
The working principle of the utility model is that when in use, the piston is placed on the positioning spigot disc, and the positioning end surface of the positioning spigot disc is contacted with the positioning spigot surface on the piston; under normal conditions, after the piston is installed in place, the vent hole is in contact with the locating spigot surface of the piston, the vent hole is sealed better, compressed air pressure is higher, the pressure sensor transmits a processing signal to the PLC of the piston fine boring machine tool, the PLC controls the piston fine boring machine tool to start normal processing, under abnormal conditions, the piston is not installed in place due to sundries or installation errors in the locating spigot surface of the piston, a gap exists between the vent hole and the locating spigot surface of the piston, the vent hole is not sealed well, compressed air pressure is reduced, the pressure sensor transmits an abnormal signal to the PLC of the piston fine boring machine tool, a processing stop signal is sent, the machine tool alarms and stops processing, and processing waste products are prevented from occurring.
The beneficial effects of the utility model are that, device simple structure, convenient operation can realize the piston and take one's place the short-term test of precision, and takes one's place and detect the precision and can reach 0.02mm to guarantee the machining precision of piston finish boring hole, prevent the processing waste product.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial sectional view of the structure of fig. 1 taken along line a-a.
Detailed Description
The present invention will be described more clearly with reference to the accompanying drawings and specific embodiments in the embodiments of the present invention, and the description herein is only for explaining the present invention, but not for limiting the present invention. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by those skilled in the art without creative efforts should be included in the protection scope of the present invention.
Examples
As shown in fig. 1-2, the utility model provides a take one's place and detect frock, including location tang dish 1, be equipped with air vent 3 on location terminal surface 2 of location tang dish 1, location terminal surface 2 contacts with the last location tang face of piston, and the lateral part of location tang dish 1 is equipped with compressed air inlet port 4, air vent 3 is linked together with compressed air inlet port 4, the external connection of compressed air inlet port 4 has compressed air intake pipe (not shown in the figure), be equipped with pressure sensor (not shown in the figure) in the compressed air intake pipe, pressure sensor is connected with the PLC controller (not shown in the figure) electricity of piston finish boring lathe. The center of the positioning spigot disc 1 is provided with a rotating shaft connecting hole 5, the positioning spigot disc 1 is further provided with two piston positioning holes 6, and the two piston positioning holes 6 are symmetrically arranged on two sides of the rotating shaft connecting hole 5, so that the positioning of the piston and the connection of the positioning spigot disc 1 and a piston fine boring machine tool are facilitated. The air vent 3 and the compressed air inlet hole 4 are symmetrically arranged along the axial direction of the positioning spigot disc 1, one air vent 3 corresponds to one compressed air inlet hole 4, when one air vent 3 is prevented from being blocked, the other path can still work normally, the accuracy of in-place detection is guaranteed, and the air vent 3 is circular and convenient to process.
The working principle of the utility model is that when in use, the piston is placed on the positioning spigot disc 1, and the positioning end face 2 of the positioning spigot disc 1 is contacted with the positioning spigot face on the piston; under the normal condition, after the piston is installed in place, the vent hole 3 is in contact with the locating spigot surface of the piston, the vent hole 3 is sealed better, the pressure of compressed air is higher, the pressure sensor transmits a processing signal to the PLC of the piston fine boring machine tool, the PLC controls the piston fine boring machine tool to start normal processing, under the abnormal condition, the piston is not installed in place due to sundries or installation errors in the locating spigot surface pad of the piston, a gap exists between the vent hole 3 and the locating spigot surface of the piston, the vent hole 3 is not sealed well, the pressure of the compressed air is reduced, the pressure sensor transmits an abnormal signal to the PLC of the piston fine boring machine tool, the processing stop signal is sent, the machine tool alarms and stops processing, and therefore processing waste products are prevented.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (4)
1. The utility model provides a take one's place and detect frock, includes location tang dish, its characterized in that: the positioning end face of the positioning spigot disc is provided with an air vent, the positioning end face is in contact with the upper positioning spigot face of the piston, a compressed air inlet hole is formed in the side portion of the positioning spigot disc, the air vent is communicated with the compressed air inlet hole, a compressed air inlet pipe is connected to the outside of the compressed air inlet hole, a pressure sensor is arranged on the compressed air inlet pipe, and the pressure sensor is electrically connected with a PLC (programmable logic controller) of a piston fine boring machine tool.
2. The in-place detection tool of claim 1, wherein: the center of the positioning spigot disc is provided with a rotating shaft connecting hole, the positioning spigot disc is further provided with two piston positioning holes, and the two piston positioning holes are symmetrically arranged on two sides of the rotating shaft connecting hole.
3. The in-place detection tool of claim 2, wherein: the air vent and the compressed air inlet are respectively and symmetrically arranged along the axial direction of the positioning spigot disc, and one air vent corresponds to one compressed air inlet.
4. The in-place detection tool according to any one of claims 1 to 3, characterized in that: the vent holes are circular.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020915157.8U CN212634381U (en) | 2020-05-26 | 2020-05-26 | Detection frock of taking one's place |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202020915157.8U CN212634381U (en) | 2020-05-26 | 2020-05-26 | Detection frock of taking one's place |
Publications (1)
Publication Number | Publication Date |
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CN212634381U true CN212634381U (en) | 2021-03-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202020915157.8U Active CN212634381U (en) | 2020-05-26 | 2020-05-26 | Detection frock of taking one's place |
Country Status (1)
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CN (1) | CN212634381U (en) |
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2020
- 2020-05-26 CN CN202020915157.8U patent/CN212634381U/en active Active
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