CN217097253U - Piston pin hole processing device - Google Patents
Piston pin hole processing device Download PDFInfo
- Publication number
- CN217097253U CN217097253U CN202220721185.5U CN202220721185U CN217097253U CN 217097253 U CN217097253 U CN 217097253U CN 202220721185 U CN202220721185 U CN 202220721185U CN 217097253 U CN217097253 U CN 217097253U
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- screw rod
- connecting plate
- plate
- piston
- pin hole
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- 239000000725 suspension Substances 0.000 abstract 4
- 230000001174 ascending effect Effects 0.000 abstract 1
- 238000009826 distribution Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000306 component Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a piston pin hole processingequipment, its characterized in that: the device includes the connecting plate, be provided with the connecting hole that a plurality of array distributions become on the connecting plate, be connected with backup pad and bottom suspension fagging respectively at the upper and lower both ends of connecting plate, upward be provided with two reference columns between backup pad and the bottom suspension fagging, and these two reference columns use the vertical ascending center of connecting plate to distribute as the axial symmetry, threaded connection has the screw rod in the bottom suspension fagging, the bottom of screw rod is provided with the handle, and the top of screw rod then rotates with the center that is located the clamp plate of bottom suspension fagging top to be connected, and the top of connecting plate still is provided with the stroke screw rod, the activity of stroke screw rod is worn to connect in the via hole of seting up on the lathe limiting plate, be connected with the nut on the stroke screw rod, the lathe limiting plate is located between the end on nut and stroke screw rod top.
Description
Technical Field
The utility model relates to a machine tooling field, especially a piston pin hole processingequipment.
Background
The piston is a core component of an engine, the processing quality of the piston directly influences the service life and the safety of the engine, and therefore the processing precision of the components is required to be strictly controlled in the processing process of each component of the piston. The piston is provided with a pin hole with a relatively large diameter, the pin hole is distributed along the radial direction of the piston and penetrates through the side wall of the piston, the roughness of the pin hole cannot be finished on the traditional numerical control machine tool, and the requirement can be met only by honing on a honing machine. The clamping and positioning operations consume a large amount of time and labor, and the working efficiency of machining is seriously influenced. There is therefore a need for a method or apparatus that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve the above-mentioned not enough that prior art exists, provide a simple structure, design benefit, rationally distributed, can be fast, convenient and realize the device of piston pin hole processing accurately.
The technical solution of the utility model is that: the utility model provides a piston pin hole processingequipment which characterized in that: the device comprises a connecting plate 1, a plurality of connecting holes 2 distributed in an array manner are arranged on the connecting plate 1, an upper supporting plate 3 and a lower supporting plate 4 are respectively connected to the upper end and the lower end of the connecting plate 1, two positioning columns 5 are arranged between the upper supporting plate 3 and the lower supporting plate 4, the two positioning columns 5 are axially and symmetrically distributed by taking the longitudinal center of the connecting plate 1 as the center, a screw rod 6 is connected to the lower supporting plate 4 in a threaded manner, a handle 7 is arranged at the bottom end of the screw rod 6, a tightening nut 16 positioned below the lower supporting plate 4 is also connected to the screw rod 6 in a threaded manner, the top end of the screw rod 6 is rotatably connected with the center of a clamping plate 8 positioned above the lower supporting plate 4, a stroke screw rod 9 is also arranged at the top end of the connecting plate 1, the stroke screw rod 9 is movably penetrated in a through hole arranged on a machine tool limiting plate 10, and a nut 11 is connected to the stroke screw rod 9, the machine tool limiting plate 10 is positioned between the nut 11 and the end head of the top end of the stroke screw 9,
the device also comprises a positioning pin cylinder 12 matched with the piston pin hole, a pin hole 13 matched with the positioning pin cylinder 12 is arranged on the connecting plate 1, a positioning pin handle 14 is also arranged at the end part of the positioning pin cylinder 12,
and the connecting plate 1 is also in threaded connection with a locking screw, and the outer end of the locking screw is connected with a locking handle 17.
Compared with the prior art, the utility model, have following advantage:
the piston pin hole processing device with the structural form is simple in structure, ingenious in design and reasonable in layout, aims at the problems existing in the traditional piston pin hole processing process, designs a special structure, utilizes a pair of positioning columns which are symmetrically distributed to radially position a piston, utilizes a positioning pin cylinder to circumferentially position the piston, and finally utilizes a clamping plate to axially clamp the piston, can quickly, conveniently and accurately realize the positioning and clamping operation of the piston through the positioning mode, can greatly improve the working efficiency during the fine processing of the piston pin hole, lightens the workload of operators, can also ensure the accuracy of clamping, and is simple in manufacturing process and low in manufacturing cost, so that the piston pin hole processing device has various advantages and is particularly suitable for popularization and application in the field, the market prospect is very wide.
Drawings
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a side view of the connection plate, the upper support plate and the lower support plate in the embodiment of the present invention.
Detailed Description
The following description will explain embodiments of the present invention with reference to the drawings. As shown in fig. 1 and 2: a piston pin hole processing device comprises a connecting plate 1, a plurality of connecting holes 2 distributed in an array are arranged on the connecting plate 1, an upper supporting plate 3 and a lower supporting plate 4 are respectively connected with the upper end and the lower end of the connecting plate 1, two positioning columns 5 are arranged between the upper supporting plate 3 and the lower supporting plate 4, the two positioning columns 5 are axially and symmetrically distributed by taking the longitudinal center of the connecting plate 1 as the center, a screw rod 6 is connected with the lower supporting plate 4 in a threaded manner, a handle 7 is arranged at the bottom end of the screw rod 6, a tightening nut 16 positioned below the lower supporting plate 4 is also connected with the screw rod 6 in a threaded manner, the top end of the screw rod 6 is rotatably connected with the center of a clamping plate 8 positioned above the lower supporting plate 4, a stroke screw rod 9 is also arranged at the top end of the connecting plate 1, and the stroke screw rod 9 is movably penetrated in a through hole arranged on a machine tool limiting plate 10, the travel screw 9 is connected with a nut 11, the machine tool limiting plate 10 is positioned between the nut 11 and the end head of the top end of the travel screw 9,
the device also comprises a positioning pin cylinder 12 matched with the piston pin hole, a pin hole 13 matched with the positioning pin cylinder 12 is arranged on the connecting plate 1, a positioning pin handle 14 is also arranged at the end part of the positioning pin cylinder 12,
and the connecting plate 1 is also in threaded connection with a locking screw, and the outer end of the locking screw is connected with a locking handle 17.
The utility model discloses piston pin hole processingequipment's working process as follows: connecting a connecting plate 1 with a sliding table on a machining center through a connecting hole 2 formed in the connecting plate, then penetrating a stroke screw 9 arranged at the top of the connecting plate 1 into a through hole formed in a limiting plate 10 of a machine tool, and adjusting the relative position of a nut 11 on the stroke screw 9 according to actual needs, wherein the distance between the nut 11 and the end of the stroke screw 9 is the stroke of the connecting plate 1;
when a piston pin hole on a processed piston 15 needs to be finely processed, firstly, the processed piston 15 is placed on the device, specifically, the processed piston 15 is placed on the clamping plate 8, then the handle 7 is used for driving the screw rod 6 to rotate, the clamping plate 8 is driven to move upwards, namely, the processed piston 15 is clamped by the clamping plate 8 and the upper support plate 3, after the processed piston 15 is preliminarily clamped, the clamping plate 8 is locked by screwing the backup nut 16, meanwhile, an operator holds the positioning pin handle 14 to insert the positioning pin cylinder 12 into the piston pin hole which is preliminarily roughly processed on the processed piston 15, the end part of the positioning pin cylinder 12 penetrates through the processed piston 15 and then is inserted into the pin hole 13 which is arranged on the connecting plate 1, the processed piston 15 is limited and positioned, and then the handle 7 is continuously rotated, so that the clamping plate 8 and the upper support plate 3 clamp the processed piston 15; at this time, the positioning pin cylinder 12 can be drawn out from the processed piston 15;
after the clamping operation is finished, an operator pushes the connecting plate 1 upwards until the connecting plate 1 and the machined piston 7 clamped on the connecting plate enter the honing machine together and are close to the end of the stroke screw 9, the locking handle 17 is manually rotated, and the connecting plate 1 and the machining piston 7 are locked and positioned together by the locking screw. After the piston 7 moves to the right position, the piston 7 to be processed is positioned at the processing position, the honing head on the honing machine extends out, and the piston pin hole on the piston 7 to be processed is honed; after the honing process is finished, the operator rotates the locking handle 17 reversely, the locking screw is loosened, the operator pulls the sliding connecting plate 1 downwards and returns to the feeding position together with the processed piston 7 after finish machining, and then the operator rotates the handle 7 reversely and takes down the processed piston 7.
Claims (1)
1. The utility model provides a piston pin hole processingequipment which characterized in that: the device comprises a connecting plate (1), a plurality of connecting holes (2) distributed in an array manner are arranged on the connecting plate (1), an upper supporting plate (3) and a lower supporting plate (4) are respectively connected to the upper end and the lower end of the connecting plate (1), two positioning columns (5) are arranged between the upper supporting plate (3) and the lower supporting plate (4), the two positioning columns (5) are axially and symmetrically distributed by taking the longitudinal center direction of the connecting plate (1), a screw rod (6) is connected to the lower supporting plate (4) in a threaded manner, a handle (7) is arranged at the bottom end of the screw rod (6), a tightening nut (16) positioned below the lower supporting plate (4) is also connected to the screw rod (6) in a threaded manner, the top end of the screw rod (6) is rotationally connected with the center of a clamping plate (8) positioned above the lower supporting plate (4), and a stroke screw rod (9) is also arranged at the top end of the connecting plate (1), the stroke screw (9) is movably penetrated and connected in a through hole arranged on a machine tool limiting plate (10), the stroke screw (9) is connected with a nut (11), the machine tool limiting plate (10) is positioned between the nut (11) and the end head at the top end of the stroke screw (9),
the device also comprises a positioning pin cylinder (12) matched with the piston pin hole, a pin hole (13) matched with the positioning pin cylinder (12) is arranged on the connecting plate (1), a positioning pin handle (14) is also arranged at the end part of the positioning pin cylinder (12),
and the connecting plate (1) is also in threaded connection with a locking screw, and the outer end of the locking screw is connected with a locking handle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220721185.5U CN217097253U (en) | 2022-03-31 | 2022-03-31 | Piston pin hole processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220721185.5U CN217097253U (en) | 2022-03-31 | 2022-03-31 | Piston pin hole processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217097253U true CN217097253U (en) | 2022-08-02 |
Family
ID=82578247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220721185.5U Active CN217097253U (en) | 2022-03-31 | 2022-03-31 | Piston pin hole processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217097253U (en) |
-
2022
- 2022-03-31 CN CN202220721185.5U patent/CN217097253U/en active Active
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