CN216421819U - Clamping device and processing equipment for rough machining of steel piston pin hole - Google Patents
Clamping device and processing equipment for rough machining of steel piston pin hole Download PDFInfo
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- CN216421819U CN216421819U CN202122615937.8U CN202122615937U CN216421819U CN 216421819 U CN216421819 U CN 216421819U CN 202122615937 U CN202122615937 U CN 202122615937U CN 216421819 U CN216421819 U CN 216421819U
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Abstract
The utility model discloses a clamping device and processing equipment of steel piston pin hole rough machining relates to mechanical clamping instrument technical field, has solved the unable automatic identification steel piston direction of current steel piston processingequipment and can't guarantee the problem of steel piston pin hole machining dimension uniformity, has improved machining efficiency, and concrete scheme is as follows: the steel piston compression device comprises a positioning base, wherein a compression mechanism is arranged at the upper part of the positioning base, a mistake-proofing positioning block is arranged on the side surface of the compression mechanism, and the compression mechanism is matched with the mistake-proofing positioning block to realize mistake-proofing positioning and compression of the steel piston; the positioning base is provided with a plurality of air inlets.
Description
Technical Field
The utility model belongs to the technical field of mechanical clamping instrument technique and specifically relates to a clamping device and processing equipment of steel piston pin hole rough machining.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
The steel piston is mostly applied to the engine of a heavy truck, has higher strength and durability than an aluminum piston, and can meet the compression resistance and wear resistance indexes of a high-performance diesel engine and reduce the emission requirement. At present, the domestic piston manufacturing industry generally forms a production line by a general machine tool and a special piston machine, and the processing of a steel piston has higher processing difficulty, so that special equipment and special tools become the most important equipment for cutting and processing the piston, and the precision and the performance of the equipment directly influence the performance and the index of a formed product.
In the existing piston processing flow, the existing piston is mostly an aluminum piston, relatively speaking, the material hardness of the steel piston is higher, the steel piston is generally formed by forging, today when the lightweight of an engine is pursued, the processing technology provides high requirements, and the difficulty in the processing process is higher. Because the forging deviation and the precision problem that the blank itself exists, the uniformity of blank is difficult to control, for example the handling capacity that the size reservation of pinhole is great, this just needs to carry out rough machining earlier.
The inventor finds that the traditional processing mode is that the steel piston is processed on a machine tool, the consistency of the processing size of the pin hole of the steel piston cannot be ensured, and the rejection rate is high; and the steel piston needs the manual work to carry out the inspection one by one after placing on the lathe to avoid the steel piston to place the direction mistake, machining efficiency is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a clamping device and a processing device for rough machining of a steel piston pin hole, which are provided with a positioning base and a pressing mechanism, realize the positioning of the steel piston through the matching of the positioning base and the pressing mechanism, and ensure the consistency of the processing size of the pin hole; the setting of mistake proofing mechanism makes clamping device automatic identification steel piston's direction, has solved the unable automatic identification steel piston direction's of current steel piston clamping device problem.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
in a first aspect, an embodiment of the utility model provides a clamping device for rough machining of a steel piston pin hole, which comprises a positioning base, wherein the upper part of the positioning base is provided with a pressing mechanism, the side surface of the pressing mechanism is provided with a mistake-proofing positioning block, and the pressing mechanism is matched with the mistake-proofing positioning block to realize mistake-proofing positioning and pressing of the steel piston;
the positioning base is provided with a plurality of air inlets.
As a further implementation mode, the middle part of the positioning base is of a positioning counter-sunk hole structure.
As a further implementation manner, the pressing mechanism is composed of a pressing block, a top plate and an ejector pin, the top of the top plate is fixedly connected with the pressing cylinder, the bottom of the top plate is fixedly connected with the pressing block, and the ejector pin is fixedly arranged at the bottom of the pressing block.
As a further implementation mode, the pressing blocks are provided with a plurality of pressing blocks, and the pressing blocks are tightly attached to the inner cavity of the steel piston.
As a further implementation mode, the side surface of the bottom of the top plate is fixedly provided with an error-proof positioning block.
As a further implementation, the mistake-proofing positioning block is used for fitting and pressing the long edge of the skirt bottom of the steel piston.
As a further implementation, the positioning base is used for placing the head of the steel piston.
As a further implementation, the positioning base is circular.
In a second aspect, an embodiment of the present invention further provides a machining apparatus for rough machining of a steel piston pin hole, including the clamping device of the first aspect.
As a further implementation mode, the positioning device further comprises a machine tool, and the positioning base is fixedly connected with the machine tool through a positioning sleeve and a countersunk head bolt.
Above-mentioned the utility model has the advantages as follows:
1) the utility model discloses the location base passes through position sleeve and countersunk head bolt and lathe platform fixed connection, and position sleeve furthest's assurance in the course of working the joint strength and the stability of base and lathe platform, and countersunk head bolt can fix the base with the location and does not influence the clamping of steel piston when the lathe platform.
2) The utility model discloses with hold-down mechanism and mistake proofing mechanism fixed connection, and arrange the inner chamber of steel piston in respectively and the location that the shirt rim realized the steel piston compresses tightly, when the error was placed to steel piston shirt rim direction, the mistake proofing structure can compress tightly not in place, make the unable steel piston that compresses tightly of hold-down mechanism, thereby the gas leakage phenomenon appears in the unable gas pocket that blocks up on the location base of steel piston, lead to the unable work of equipment, through hold-down mechanism, the automatic mistake proofing of steel piston has been realized in the cooperation of mistake proofing mechanism and location base, need not artifical inspection, and the machining efficiency is improved.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
Fig. 1 is a schematic diagram of the overall structure of a clamping device for rough machining of a steel piston pin hole according to one or more embodiments of the present invention;
fig. 2 is a schematic cross-sectional view of the overall structure of a clamping device for roughing a steel piston pin hole according to one or more embodiments of the present invention;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1, positioning the base; 2. a hold-down mechanism; 2-1, briquetting; 2-2, a top plate; 2-3, a thimble; 3. and a mistake-proofing positioning block.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Just as the introduction of background art, current steel piston processingequipment has the problem of unable automatic identification steel piston direction and unable assurance steel piston pin hole rough machining's machining dimension uniformity, for solving above-mentioned problem, the utility model provides a clamping device and processing equipment of steel piston pin hole rough machining.
Example 1:
the utility model discloses a typical embodiment, as shown in fig. 1-2, provides a clamping device of steel piston pin hole rough machining, includes location base 1, hold-down mechanism 2 and mistake proofing mechanism.
The positioning base 1 is a bearing main body and plays a role in supporting and limiting, and the bottom of the positioning base 1 is fixedly arranged on a machine tool platform; the pressing mechanism 2 is positioned at the upper part of the positioning base 1, is fixedly connected with the pressing cylinder and is used for pressing the steel piston with the positioning base 1; the mistake proofing structure is fixedly connected with the pressing mechanism 2, and the mistake proofing effect is achieved.
The positioning base 1 can be in a round or square structure, and the positioning base can be determined to be preferably round according to the shape of the steel piston, without any limitation.
The positioning base 1 is fixed by a machine tool platform, specifically, the middle part of the positioning base 1 is of a positioning countersunk hole structure and is fixedly connected with the machine tool platform through a positioning sleeve and a countersunk bolt, and the use of the positioning sleeve can ensure the stability of the positioning base 1 fixed on the machine tool platform in the machining process of the steel piston to the maximum extent; the use of the countersunk head bolt can fix the positioning base 1 on the machine tool platform and simultaneously can not influence the clamping of the steel piston.
It will be appreciated that in order to enable the positioning base 1 to perform an accurate positioning function, the positioning base 1 should be dimensioned and manufactured in production according to the head size of the steel piston to be machined.
The positioning base 1 is provided with four air inlets, and the four air inlets can be blocked after the steel piston is clamped in place, so that whether a workpiece is clamped in place can be detected quickly and accurately.
In the embodiment, four air inlet holes are provided, and in other embodiments, different numbers of air inlet holes can be designed according to the specific size and shape of the steel piston, which is not limited herein.
The pressing mechanism 2 consists of pressing blocks 2-1, a top plate 2-2 and ejector pins 2-3, wherein the top of the top plate 2-2 is fixedly connected with a pressing cylinder, the bottom of the top plate 2-2 is provided with a plurality of pressing blocks 2-1, and the bottom of each pressing block 2-1 is fixedly provided with an ejector pin 2-3, so that the steel piston is automatically aligned and pressed.
Specifically, the pressing block 2-1 is manufactured according to the shape of the inner cavity of the steel piston to be machined, so that the steel piston can be attached to the maximum, when the deviation of the placement position of the steel piston is too large, the pressing block 2-1 can automatically align the steel piston in the process of pressing the piston, after the pressing block 2-1 aligns the steel piston, the ejector pin 2-3 can further press the steel piston, and the steel piston cannot move in the machining process.
The mistake proofing mechanism is fixedly connected with the pressing mechanism 2, specifically, the mistake proofing mechanism is composed of a mistake proofing positioning block 3, and the mistake proofing positioning block 3 is fixedly arranged on the side face of the bottom of the top plate 2-2 and used for pressing the skirt edge of the steel piston to play a mistake proofing role.
Mistake proofing locating piece 3 forms according to the shape design at the bottom of the steel piston skirt, and is concrete, has two kinds of limits at the bottom of the steel piston skirt, long limit and minor face promptly, and mistake proofing locating piece 3 is made according to long limit profile modeling, can with the long limit perfect laminating at the bottom of the steel piston skirt, when the orientation of steel piston is placed correctly, the bottom of mistake proofing locating piece 3 compresses tightly the top on the long limit of steel piston.
The mistake proofing function of the mistake proofing mechanism is realized by matching the positioning base 1 and the pressing mechanism 2 together, namely, the subsequent rough machining can be carried out only after the mistake proofing mechanism is pressed in place.
Specifically, in order to prevent the machining part from being placed askew or from being pressed by a pressing block 2-1 when a gap is formed between the machining part and the positioning base 1 due to iron cutting, the equipment starts to be machined to cause waste parts, the piston is in surface contact with the positioning base 1 under normal conditions to block an exhaust device on the positioning base 1, and the machining equipment does not leak air, so that the machining equipment starts to machine;
when the position is placed when the piston is reverse, when the position of placing of long limit and minor face is wrong at the bottom of the steel piston skirt promptly, the top of minor face at the bottom of the steel piston skirt can be pressed to mistake proofing locating piece 3, because mistake proofing locating piece 3 is according to the design of shape at the bottom of the steel piston skirt, the condition that the roof pressure is not in place can appear after mistake proofing locating piece 3 presses the minor face at the bottom of the skirt, 2-3 can not compress tightly the piston in this moment thimbles, the gas pocket on the location base 1 of steel piston lower part just can not be stopped up by the steel piston and produce the gas leakage phenomenon, pressure can not reach, processing equipment can not start, thereby play the purpose of mistake proofing.
In order to improve the processing efficiency and ensure the consistency of rough machining sizes, two stations can be arranged, each station is provided with 3 clamping devices, and one station is used for clamping the other station during processing, so that the processing time is greatly shortened.
Example 2:
the embodiment provides a machining device for rough machining of a steel piston pin hole, which comprises the clamping device according to embodiment 1, wherein a positioning base 1 of the clamping device is fixedly connected with a machine tool platform through a positioning sleeve and a countersunk head bolt.
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 (10)
1. A clamping device for rough machining of a steel piston pin hole is characterized by comprising a positioning base, wherein a pressing mechanism is arranged at the upper part of the positioning base, a mistake-proofing positioning block is arranged on the side surface of the pressing mechanism, and the pressing mechanism is matched with the mistake-proofing positioning block to realize mistake-proofing positioning and pressing of a steel piston;
the positioning base is provided with a plurality of air inlets.
2. The clamping device for roughing the steel piston pin hole as recited in claim 1, wherein the middle portion of the positioning base is a positioning counter bore structure.
3. The clamping device for roughing the steel piston pin hole as recited in claim 1, wherein said pressing mechanism is composed of a pressing block, a top plate and a thimble, the top of the top plate is fixedly connected with the pressing cylinder, the bottom of the top plate is fixedly connected with the pressing block, and the thimble is fixedly arranged at the bottom of the pressing block.
4. The clamping device for roughing the pin hole of the steel piston as recited in claim 3 wherein a plurality of said pressing blocks are provided, said pressing blocks closely fitting the inner cavity of the steel piston.
5. The clamping device for roughing the steel piston pin hole as recited in claim 3, wherein a mistake-proofing positioning block is fixedly arranged on the side surface of the bottom of the top plate.
6. The clamping device for roughing the steel piston pin hole as recited in claim 1, wherein said anti-mistake positioning block is used for fitting and pressing the long edge of the steel piston skirt bottom.
7. The clamping device for roughing the pin hole of the steel piston as recited in claim 1 wherein said locating base is used for placing the head of the steel piston.
8. The clamping device for roughing a steel piston pin bore as recited in claim 1 wherein said locating base is circular.
9. A machining apparatus for roughing a steel piston pin bore comprising a clamping device as claimed in any one of claims 1 to 8.
10. The machining equipment for rough machining of the steel piston pin hole according to claim 9, further comprising a machine tool, wherein the positioning base is fixedly connected with the machine tool through a positioning sleeve and a countersunk head bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615937.8U CN216421819U (en) | 2021-10-28 | 2021-10-28 | Clamping device and processing equipment for rough machining of steel piston pin hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122615937.8U CN216421819U (en) | 2021-10-28 | 2021-10-28 | Clamping device and processing equipment for rough machining of steel piston pin hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216421819U true CN216421819U (en) | 2022-05-03 |
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ID=81333612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122615937.8U Active CN216421819U (en) | 2021-10-28 | 2021-10-28 | Clamping device and processing equipment for rough machining of steel piston pin hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216421819U (en) |
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2021
- 2021-10-28 CN CN202122615937.8U patent/CN216421819U/en active Active
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