CN215239341U - High-precision machining device for hydraulic piston - Google Patents
High-precision machining device for hydraulic piston Download PDFInfo
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- CN215239341U CN215239341U CN202022899941.7U CN202022899941U CN215239341U CN 215239341 U CN215239341 U CN 215239341U CN 202022899941 U CN202022899941 U CN 202022899941U CN 215239341 U CN215239341 U CN 215239341U
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- pressing plate
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Abstract
The utility model discloses a high-precision processing device for a hydraulic piston, which comprises a bottom plate, wherein a trimming pin fixing frame and a piston support are arranged on the bottom plate, a first positioning mandrel and a second positioning mandrel which have the same size are arranged at the top surface of the piston support at intervals, a pressing plate component is also arranged on the piston support, one end of a pressing plate is hinged with the top end of the pressing plate fixing frame, the other end of the pressing plate is provided with a limiting groove, a screw rod of a positioning bolt passes through the limiting groove and penetrates through the pressing plate to be connected with a positioning nut, the trimming pin fixing frame is provided with a first trimming pin and a second trimming pin, the first trimming pin faces to a first piston and corresponds to a first pin hole of the first piston, the second trimming pin faces to a second piston and corresponds to a second pin hole of the second piston, the processing device can simultaneously position and clamp two piston workpieces, therefore, the two piston workpiece pin holes can be simultaneously bored, the machining efficiency is improved, and the positioning accuracy and the clamping stability are guaranteed.
Description
Technical Field
The utility model relates to a hydraulic piston high accuracy processingequipment belongs to the frock clamp field.
Background
The clamp is a device used for fixing a processing object to be processed in a mechanical manufacturing process so that the processing object can occupy a correct position to receive construction or detection, and is broadly called a clamp in any process in a technological process, the device used for quickly, conveniently and safely installing a workpiece is required to be subjected to finish machining after rough machining and forming of a piston in piston processing, one step is to bore a pin hole of the piston so as to reduce the surface, namely further processing of forged, cast or drilled holes, the bore hole can enlarge the aperture, improve the precision and reduce the surface roughness, and the deviation of the original hole axis can be well corrected.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model relates to a hydraulic piston high accuracy processingequipment, this simple structure, reliable has effectively solved above-mentioned technical problem, is fit for using widely, in order to realize above-mentioned purpose, the utility model discloses a following technical scheme realizes:
a high-precision hydraulic piston processing device comprises a base plate, wherein a trimming pin fixing frame and a piston support are arranged on the base plate, a first positioning mandrel and a second positioning mandrel which are the same in size are arranged on the top surface of the piston support at intervals, a first piston is sleeved on the first positioning mandrel, a second piston is sleeved on the second positioning mandrel, a pressing plate assembly is further arranged on the piston support and comprises a pressing plate fixing frame, a pressing plate, a positioning bolt and a positioning nut, the pressing plate fixing frame is located on one side of the first piston, one end of the pressing plate is hinged to the top end of the pressing plate fixing frame, a limiting groove is formed in the other end of the pressing plate, a screw rod of the positioning bolt penetrates through the limiting groove and penetrates through the pressing plate to be connected with the positioning nut, the positioning bolt is located on one side, away from the first piston, of the second piston, and the trimming pin fixing frame is provided with a first trimming pin and a second trimming pin, the first chamfered pin faces the first piston and corresponds to a first pin hole of the first piston, the second chamfered pin faces the second piston and corresponds to a second pin hole of the second piston, and the axes of the first chamfered pin and the second chamfered pin are parallel.
On the basis of the above scheme and as a preferable scheme of the scheme: and a first air cylinder and a second air cylinder are arranged on one side, away from the piston support, of the trimming pin fixing frame, the output end of the first air cylinder is fixedly connected with the first trimming pin, and the output end of the second air cylinder is fixedly connected with the second trimming pin.
On the basis of the above scheme and as a preferable scheme of the scheme: the transverse section of the trimming pin fixing frame is L-shaped and is provided with a reinforcing rib plate.
On the basis of the above scheme and as a preferable scheme of the scheme: the longitudinal section of the piston support is T-shaped, and rib plates are symmetrically arranged on two sides of the piston support.
On the basis of the above scheme and as a preferable scheme of the scheme: the piston bracket and the bottom plate are integrally formed.
Compared with the prior art, the utility model outstanding and profitable technological effect is: the processing device that this embodiment relates to can fix a position the centre gripping to two piston work piece simultaneously to can carry out the bore hole to two piston work piece pinhole simultaneously, guarantee the stability of location accuracy and centre gripping when having improved machining efficiency, the piston work piece fixed also all comparatively convenient with the separation, simple structure is effective and reliable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the platen closing;
fig. 3 is a schematic view of the platen opening.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, however, the specific embodiments and embodiments described below are only for illustrative purposes and are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the directions or positional relationships shown in fig. 1, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
Example one
As shown in fig. 1 to 3, the present embodiment relates to a high-precision hydraulic piston machining apparatus, which is a boring jig and includes a bottom plate 1, wherein the bottom plate 1 is provided with a trimming pin fixing frame 2 and a piston support 3.
The piston support is characterized in that the longitudinal section of the piston support 3 is T-shaped, rib plates 4 are symmetrically arranged on two sides of the piston support 3, the piston support 3 and the bottom plate 1 are integrally formed and have a stable structure, the rib plates 4 are arranged to play a role of reinforcing the structural strength, a first positioning mandrel 5 and a second positioning mandrel 6 which are identical in size are arranged on the top surface of the piston support 3 at intervals, a first piston 7 is sleeved on the first positioning mandrel 5, a second piston 8 is sleeved on the second positioning mandrel 6, the first piston 7 and the second piston 8 are piston workpieces which are identical in size and specification and are subjected to rough machining forming and respectively provided with a first pin hole 9 and a second pin hole 10 to be bored, a pressure plate assembly is further arranged on the piston support 3 and comprises a pressure plate fixing frame 11, a pressure plate 12, a positioning bolt 13 and a positioning nut 14, the pressure plate fixing frame 11 is positioned on one side of the first piston 7, the bottom of clamp plate mount 11 is passed through the bolt spare and is fixed on bottom plate 1, the one end of clamp plate 12 is passed through the axis of rotation with the top of clamp plate mount 11 and is articulated, the other end of clamp plate 12 is equipped with the spacing groove 15 that runs through from top to bottom, the screw rod is located the one side that first piston 7 was kept away from to second piston 8, thereby positioning bolt 13's screw rod passes spacing groove 15 and runs through and is connected first piston 7 and second piston 8 with set nut 14 after clamp plate 12 compresses tightly, guarantees to add the centre gripping stability man-hour, takes place the shake when avoiding the bore hole, has improved the machining precision, and through the threaded connection dismouting facility, the separation is all comparatively convenient with fixed.
The transverse section of the trimming pin fixing frame 2 is L-shaped and is provided with a reinforcing rib plate 16, the reinforcing rib plate 16 is used for reinforcing the strength of the structure, the bottom end of the trimming pin is fixed on the bottom plate 1 through a bolt assembly, the trimming pin fixing frame 2 is convenient to disassemble and assemble, the trimming pin fixing frame 2 is provided with a first trimming pin 17 and a second trimming pin 18, the first trimming pin 17 and the second trimming pin 18 are the same in size and specification, the cross section of the end part of the first trimming pin is preferably rhombic, the first trimming pin 17 faces the first piston 7 and corresponds to a first pin hole 9 of the first piston 7, the second trimming pin 18 faces the second piston 8 and corresponds to a second pin hole 10 of the second piston 8, the axes of the first trimming pin 17 and the second trimming pin 18 are parallel, after the two trimming pins are respectively inserted into pin holes on the same side of two piston workpieces for positioning, a boring cutter processes the pin holes from the other side, the clamp related to the embodiment can simultaneously position and clamp the two piston workpieces, therefore, the two piston workpiece pin holes can be simultaneously bored, the positioning accuracy and the clamping stability are ensured while the machining efficiency is improved, and the piston workpieces are convenient to fix and separate.
Example two
On the basis of embodiment 1, this embodiment is further improved, a first cylinder 19 and a second cylinder 20 are arranged on one side of the trimming pin fixing frame 2 away from the piston support 3, an output end of the first cylinder 19 is fixedly connected with the first trimming pin 17, an output end of the second cylinder 20 is fixedly connected with the second trimming pin 18, and an output end of the driving cylinder can respectively drive the two trimming pins to extend out and retract, so that the structure is simple and effective.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made by the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (5)
1. The utility model provides a hydraulic piston high accuracy processingequipment which characterized in that: the edge cutting device comprises a bottom plate, wherein an edge cutting pin fixing frame and a piston support are arranged on the bottom plate, a first positioning mandrel and a second positioning mandrel which are the same in size are arranged on the top surface of the piston support at intervals, a first piston is sleeved on the first positioning mandrel, a second piston is sleeved on the second positioning mandrel, a pressing plate assembly is further arranged on the piston support and comprises a pressing plate fixing frame, a pressing plate, a positioning bolt and a positioning nut, the pressing plate fixing frame is positioned on one side of the first piston, one end of the pressing plate is hinged to the top end of the pressing plate fixing frame, the other end of the pressing plate is provided with a limiting groove, a screw rod of the positioning bolt penetrates through the limiting groove and penetrates through the pressing plate to be connected with the positioning nut, the positioning bolt is positioned on one side, away from the first piston, of the second piston, the edge cutting pin fixing frame is provided with a first edge cutting pin and a second edge cutting pin, the first edge cutting pin faces the first piston and corresponds to a first pin hole of the first piston, the second chamfered pin faces the second piston and corresponds to a second pin hole of the second piston, and the axes of the first chamfered pin and the second chamfered pin are parallel.
2. The hydraulic piston high-precision machining device according to claim 1, characterized in that: and a first air cylinder and a second air cylinder are arranged on one side, away from the piston support, of the trimming pin fixing frame, the output end of the first air cylinder is fixedly connected with the first trimming pin, and the output end of the second air cylinder is fixedly connected with the second trimming pin.
3. The hydraulic piston high-precision machining device according to claim 1, characterized in that: the transverse section of the trimming pin fixing frame is L-shaped and is provided with a reinforcing rib plate.
4. The hydraulic piston high-precision machining device according to claim 1, characterized in that: the longitudinal section of the piston support is T-shaped, and rib plates are symmetrically arranged on two sides of the piston support.
5. The hydraulic piston high-precision machining device according to claim 1, characterized in that: the piston bracket and the bottom plate are integrally formed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022899941.7U CN215239341U (en) | 2020-12-04 | 2020-12-04 | High-precision machining device for hydraulic piston |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022899941.7U CN215239341U (en) | 2020-12-04 | 2020-12-04 | High-precision machining device for hydraulic piston |
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CN215239341U true CN215239341U (en) | 2021-12-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114131392A (en) * | 2021-12-31 | 2022-03-04 | 山东中创重工科技有限公司 | Large-cylinder-diameter piston machining tool clamp |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114131392A (en) * | 2021-12-31 | 2022-03-04 | 山东中创重工科技有限公司 | Large-cylinder-diameter piston machining tool clamp |
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Effective date of registration: 20230718 Address after: 443300 Shilipu Industrial Park, Lucheng, Yidu City, Yichang City, Hubei Province Patentee after: Hubei Shenjiang Precision Forging Co.,Ltd. Address before: 314415 No. 36 Binhai Road, Jianshan new area, Haining City, Jiaxing City, Zhejiang Province Patentee before: Zhejiang Jinhong Auto Parts Co.,Ltd. |