CN113695945A - Clamping device for assisting in machining of top surface of piston and clamping process of clamping device - Google Patents
Clamping device for assisting in machining of top surface of piston and clamping process of clamping device Download PDFInfo
- Publication number
- CN113695945A CN113695945A CN202111046289.7A CN202111046289A CN113695945A CN 113695945 A CN113695945 A CN 113695945A CN 202111046289 A CN202111046289 A CN 202111046289A CN 113695945 A CN113695945 A CN 113695945A
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- threaded rod
- piston
- bidirectional threaded
- clamping
- moving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the technical field of pistons, in particular to a clamping device for assisting in processing of a top surface of a piston, which comprises a shell, wherein the shell is of a cylindrical structure, and a clamping mechanism is arranged in the shell: the clamping mechanism comprises a plurality of clamping blocks, a plurality of limiting grooves, a moving plate and a plurality of moving blocks, the moving plate is abutted to the inner wall of the shell, the limiting grooves are circumferentially arranged on the moving plate at equal intervals, the moving blocks are slidably arranged in the limiting grooves, the clamping blocks are fixedly connected to the moving blocks, and the moving mechanism is arranged at the lower ends of the moving blocks. The invention ensures that the axes of the processed cutter and the piston are coincident, and prevents the condition of deviation when concentric pin cutting is carried out.
Description
Technical Field
The invention relates to the technical field of pistons, in particular to a clamping device for assisting in machining of the top surface of a piston and a clamping process thereof.
Background
The automobile piston is more important than the central part of an automobile engine when the engine is started. Automobile piston is used for bearing gas pressure, and let the connecting rod order about the bent axle rotation through the piston pin, the piston top is the component of combustion chamber still, add man-hour to the top surface of piston, it presss from both sides tightly to need to use clamping device to the top surface of piston, because the piston is cylindrically, thereby simultaneously because the diameter of piston is inequality, lead to when fixing the piston, be difficult to with the axis of piston and the axis of device coincide mutually, thereby add man-hour, be not convenient for find the axis of piston, lead to the cutter of processing and the axis of piston to do not coincide, the condition of skew leads to easily when carrying out piston concentric round pin and surely.
Disclosure of Invention
The invention aims to solve the defects that a tool for machining is not coincident with the axis of a piston and the offset is easily caused when the piston is concentrically pinned in the prior art, and provides a clamping device for assisting in machining of the top surface of the piston and a clamping process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a clamping device for assisting in processing of the top surface of a piston and a clamping process thereof, and the clamping device comprises a shell, wherein the shell is of a cylindrical structure, and a clamping mechanism is arranged in the shell:
the clamping mechanism comprises a plurality of clamping blocks, a plurality of limiting grooves, a moving plate and a plurality of moving blocks, the moving plate is abutted to the inner wall of the shell, the circumferences of the limiting grooves are equidistantly arranged on the moving plate, the moving blocks are slidably arranged in the limiting grooves, the clamping blocks are fixedly connected to the moving blocks, and the moving mechanism is arranged at the lower ends of the moving blocks.
Preferably, the moving mechanism includes a second bidirectional threaded rod, a through cavity, two first bearing seats, a third bidirectional threaded rod, a worm wheel, a worm, and a second bearing seat, the two bearing seats are fixedly connected to the moving plate, the second bidirectional threaded rod is rotatably connected between the two bearing seats, the two second bearing seats are fixedly connected to the moving plate, the third bidirectional threaded rod is rotatably connected between the two second bearing seats, both ends of the third bidirectional threaded rod and the second bidirectional threaded rod are both in threaded through connection with the moving block, the worm wheel is fixedly connected to the third bidirectional threaded rod, the worm is fixedly connected to the second bidirectional threaded rod, the worm is engaged with the worm wheel, the transmission ratio of the worm wheel to the worm is 1, the through cavity is opened on the housing, one end of the second bidirectional threaded rod extends out of the through cavity.
Preferably, the moving plate is provided with an adjusting mechanism.
Preferably, adjustment mechanism includes two articulated arms, two stop collars, first double-direction threaded rod pass through the bearing with the casing rotates to be connected, two stop collar threaded connection in the both ends of first double-direction threaded rod, two articulated arm one end with the stop collar is articulated mutually, two the other end of articulated arm with the removal board is articulated mutually.
Preferably, the first bidirectional threaded rod and the second bidirectional threaded rod are both provided with knobs.
Preferably, the lower end of the housing is threadedly connected with a collecting tray.
Preferably, the opposite surfaces of the clamping blocks are fixedly connected with elastic layers.
The invention also provides a clamping process for assisting in processing the top surface of the piston, which is characterized by comprising the following steps of:
s1, placing the piston to be processed on the moving plate;
s2, rotating the second bidirectional threaded rod to enable the second bidirectional threaded rod to drive the worm to rotate, enabling the worm to drive the worm wheel to rotate, enabling the third bidirectional threaded rod to rotate, enabling the moving block to move towards the circle center direction of the moving plate, driving the clamping block to move, enabling the clamping block to clamp the skirt portion of the piston, and enabling the axis of the piston to coincide with the moving plate;
s3, adjusting the position of the limiting sleeve by rotating the first bidirectional threaded rod, so that the inclination angles of the two hinged rods are adjusted to drive the movable plate to move, and the top end of the piston is exposed out of the shell.
The clamping device for assisting in processing the top surface of the piston and the clamping process thereof have the beneficial effects that: the four clamping blocks are driven by the moving mechanism to move towards the circle center of the moving plate, so that the piston is clamped, the axis of the piston coincides with the axis of the moving plate, the situation that a machined cutter and the axis of the piston do not coincide when the top surface is machined is avoided, and the situation that the cutter deviates when the concentric pin is machined is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a clamping device for assisting in processing a top surface of a piston and a clamping process thereof according to the present invention;
FIG. 2 is a first cross-sectional view of a clamping apparatus for assisting in machining a top surface of a piston and a clamping process thereof according to a first perspective view of the present invention;
FIG. 3 is a second cross-sectional view of a perspective view of a clamping device for assisting in machining of the top surface of a piston and a clamping process thereof according to the present invention;
FIG. 4 is a front view of the clamping apparatus for assisting in machining the top surface of the piston and the clamping process thereof shown in FIG. 2;
fig. 5 is an enlarged view of a portion a in fig. 3 of a clamping apparatus for assisting in processing a top surface of a piston according to the present invention and a clamping process thereof.
In the figure: the device comprises a shell 1, a clamping block 2, a limiting groove 3, a hinge rod 4, a limiting sleeve 5, a first bidirectional threaded rod 6, a collecting disc 7, a moving plate 8, a moving block 9, a second bidirectional threaded rod 10, a through cavity 11, a first bearing seat 12, a third bidirectional threaded rod 13, a worm wheel 14, a worm 15 and a second bearing seat 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a clamping device for assisting in processing of a top surface of a piston comprises a housing 1, wherein the housing 1 is of a cylindrical structure, and a clamping mechanism is arranged in the housing 1:
the clamping mechanism comprises a plurality of clamping blocks 2, a plurality of limiting grooves 3, a moving plate 8, a plurality of moving blocks 9, the moving plate 8 is abutted to the inner wall of the shell 1, the circumferences of the limiting grooves 3 are equidistantly arranged on the moving plate 8, the moving blocks 9 can be slidably arranged in the limiting grooves 3, the clamping blocks 2 are fixedly connected to the moving blocks 9, the lower ends of the moving blocks 9 are provided with moving mechanisms, the moving mechanisms drive the clamping blocks 2 to move towards the axis direction of the moving plate 8, when the piston is clamped, the axis of the piston is overlapped with the axis of the moving plate 8, therefore, the situation that a machined tool is not overlapped with the axis of the piston when the top surface is machined is avoided, the situation that the piston is deviated when concentric pin cutting is carried out is prevented, the clamping blocks 2 are of arc-shaped structures, and the contact area is increased when the clamping is facilitated.
The moving mechanism comprises a second bidirectional threaded rod 10, a through cavity 11, two first bearing seats 12, a third bidirectional threaded rod 13, a worm wheel 14, a worm 15 and a second bearing seat 16, the two bearing seats 12 are fixedly connected to the moving plate 8, the second bidirectional threaded rod 10 is rotatably connected between the two bearing seats 12, the two second bearing seats 16 are fixedly connected to the moving plate 8, the third bidirectional threaded rod 13 is rotatably connected between the two second bearing seats 16, both ends of the third bidirectional threaded rod 13 and the second bidirectional threaded rod 10 are both in threaded through connection with a moving block 9, the worm wheel 14 is fixedly connected to the third bidirectional threaded rod 13, the worm 15 is fixedly connected to the second bidirectional threaded rod 10, the worm 15 is meshed with the worm wheel 14, the transmission ratio of the worm wheel 14 to the worm 15 is 1, the through cavity 11 is arranged on the shell 1, one end of the second bidirectional threaded rod 10 extends out of the through cavity 11, when clamping is carried out, the worm 15 is driven to rotate by rotating the second bidirectional threaded rod 10, and the worm 15 is meshed with the worm wheel 14, so that the worm wheel 14 is driven to rotate, and the transmission ratio is 1, when the third bidirectional threaded rod 13 is driven to rotate, the third bidirectional threaded rod 13 and the second bidirectional threaded rod 10 rotate at the same speed, so that when clamping is performed, because the third bidirectional threaded rod 13, the second bidirectional threaded rod 10 and the moving block 9 are in threaded through connection, and simultaneously because the limiting groove 3 has a limiting effect on the moving block 9, when the second bidirectional threaded rod 10 is rotated, the four clamping blocks 2 are simultaneously moved towards the axis of the moving plate 8 at the same speed, the piston is coaxially clamped, the axis of the piston is ensured to be coincident with the axis of the moving plate 8, therefore, the accuracy of the position of the concentric hole groove machined on the top surface is ensured, and the condition of deviation is avoided.
An adjusting mechanism is arranged on the movable plate 8, the adjusting mechanism comprises two hinged rods 4, two limiting sleeves 5 and a first bidirectional threaded rod 6, the first bidirectional threaded rod 6 is rotatably connected with the shell 1 through a bearing, the two limiting sleeves 5 are in threaded connection with two ends of the first bidirectional threaded rod 6, one ends of the two hinged rods 4 are hinged with the limiting sleeves 5, the other ends of the two hinged rods 4 are hinged with the movable plate 8, knobs are arranged on the first bidirectional threaded rod 6 and the second bidirectional threaded rod 10, because the lengths of pistons of different specifications are different, when the pistons are placed in the shell 1, the top surfaces of the pistons cannot be exposed out of the shell 1, the processing of the pistons is not facilitated, the positions of the limiting sleeves 5 at two ends of the first bidirectional threaded rod 6 are adjusted by rotating the first bidirectional threaded rod 6, so that the inclination angle of the hinged rods 4 is adjusted, and the movable plate 8 is driven to move, the position of the piston is adjusted so that the upper end of the piston extends out of the housing 1.
The lower extreme threaded connection of casing 1 has catch tray 7, adding man-hour, can lead to the piece of processing to drop from spacing groove 3, through the design that adopts catch tray 7, play the effect of collection to the piece that drops, so that carry out unified pouring to the piece, the equal fixedly connected with elastic layer of opposite face of a plurality of clamp splice 2, the elastic layer adopts rubber materials to make, compares in adopting rigid material, has avoided appearing the condition of mar to the piston when pressing from both sides tightly.
The invention also provides a clamping process for assisting in processing the top surface of the piston, which comprises the following steps:
s1, placing the piston to be processed on the moving plate 8;
s2, rotating the second bidirectional threaded rod 10 to enable the second bidirectional threaded rod 10 to drive the worm 15 to rotate, enabling the worm 15 to drive the worm wheel 14 to rotate, enabling the third bidirectional threaded rod 13 to rotate, enabling the moving block 9 to move towards the circle center direction of the moving plate 8, driving the clamping block 2 to move, enabling the clamping block 2 to clamp the skirt portion of the piston, and enabling the axis of the piston to coincide with the moving plate 8;
s3, adjusting the positions of the two limiting sleeves 5 by rotating the first bidirectional threaded rod 6, so that the inclination angles of the two hinged rods 4 are adjusted, the moving plate 8 is driven to move, and the top ends of the pistons are exposed out of the shell 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a clamping device of supplementary piston top surface processing which characterized in that, includes casing (1), casing (1) is cylindrical structure, be provided with clamping mechanism in casing (1):
the clamping mechanism comprises a plurality of clamping blocks (2), a plurality of limiting grooves (3), a moving plate (8) and a plurality of moving blocks (9), the moving plate (8) is abutted to the inner wall of the shell (1), the peripheries of the limiting grooves (3) are equidistantly arranged on the moving plate (8), the moving blocks (9) are slidably arranged in the limiting grooves (3), the clamping blocks (2) are fixedly connected to the moving blocks (9), and the moving mechanism is arranged at the lower ends of the moving blocks (9).
2. The clamping device for assisting in machining of the top surface of the piston as claimed in claim 1, wherein the moving mechanism comprises a second bidirectional threaded rod (10), a through cavity (11), two first bearing blocks (12), a third bidirectional threaded rod (13), a worm wheel (14), a worm (15), and a second bearing block (16), the two bearing blocks (12) are fixedly connected to the moving plate (8), the second bidirectional threaded rod (10) is rotatably connected between the two bearing blocks (12), the two second bearing blocks (16) are fixedly connected to the moving plate (8), the third bidirectional threaded rod (13) is rotatably connected between the two second bearing blocks (16), and the moving block (9) is in threaded through connection with both ends of the third bidirectional threaded rod (13) and the second bidirectional threaded rod (10), worm wheel (14) fixed connection be in on third two-way threaded rod (13), worm (15) fixed connection be in on second two-way threaded rod (10), worm (15) with worm wheel (14) mesh mutually, worm wheel (14) with the drive ratio of worm (15) is 1, logical chamber (11) are seted up on casing (1), second two-way threaded rod (10) one end is extended lead to chamber (11).
3. The clamping device for assisting the processing of the top surface of the piston as claimed in claim 2, wherein the moving plate (8) is provided with an adjusting mechanism.
4. The clamping device for assisting in machining of the top surface of the piston as claimed in claim 3, wherein the adjusting mechanism comprises two hinged rods (4), two limiting sleeves (5) and a first bidirectional threaded rod (6), the first bidirectional threaded rod (6) is rotatably connected with the housing (1) through a bearing, the two limiting sleeves (5) are connected to two ends of the first bidirectional threaded rod (6) in a threaded manner, one ends of the two hinged rods (4) are hinged to the limiting sleeves (5), and the other ends of the two hinged rods (4) are hinged to the moving plate (8).
5. The clamping device for assisting the processing of the top surface of the piston as claimed in claim 4, characterized in that the first bidirectional threaded rod (6) and the second bidirectional threaded rod (10) are provided with knobs.
6. A clamping device for assisting the machining of the top surface of a piston as claimed in claim 1, characterised in that the lower end of the housing (1) is screwed with a collecting disc (7).
7. The clamping device for assisting the processing of the top surface of the piston as claimed in claim 1, wherein an elastic layer is fixedly connected to each of the opposite surfaces of the plurality of clamping blocks (2).
8. A clamping process for assisting in the machining of a top surface of a piston as claimed in any one of claims 1 to 7, comprising the steps of:
s1, placing the piston to be processed on the moving plate (8);
s2, rotating the second bidirectional threaded rod (10), enabling the second bidirectional threaded rod (10) to drive the worm (15) to rotate, enabling the worm (15) to drive the worm wheel (14) to rotate, enabling the third bidirectional threaded rod (13) to rotate, enabling the moving block (9) to move towards the circle center direction of the moving plate (8), driving the clamping block (2) to move, enabling the clamping block (2) to clamp the skirt portion of the piston, and enabling the axis of the piston to coincide with the moving plate (8);
s3, through rotating first bidirectional threaded rod (6), adjust two the position of stop collar (5) to adjust the inclination of two articulated arms (4), drive movable plate (8) move, expose casing (1) with the top of piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111046289.7A CN113695945A (en) | 2021-09-08 | 2021-09-08 | Clamping device for assisting in machining of top surface of piston and clamping process of clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111046289.7A CN113695945A (en) | 2021-09-08 | 2021-09-08 | Clamping device for assisting in machining of top surface of piston and clamping process of clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113695945A true CN113695945A (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111046289.7A Pending CN113695945A (en) | 2021-09-08 | 2021-09-08 | Clamping device for assisting in machining of top surface of piston and clamping process of clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113695945A (en) |
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| CN204486829U (en) * | 2015-02-05 | 2015-07-22 | 杭州泽宁机电有限公司 | The two dynamic four paws centering chuck of twin columns |
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| CN210878663U (en) * | 2019-10-16 | 2020-06-30 | 般德阀门科技有限公司 | Drilling equipment is used in butterfly valve processing |
| CN111804994A (en) * | 2020-07-09 | 2020-10-23 | 深圳市壹闻科技有限公司 | Sawing machine with good clamping effect |
| CN111941116A (en) * | 2020-08-20 | 2020-11-17 | 傅荣煌 | Positioning and clamping device for machining |
| CN112264971A (en) * | 2020-11-18 | 2021-01-26 | 郑州大学 | Auxiliary device is used in bearing processing convenient to use |
| CN112476283A (en) * | 2020-11-23 | 2021-03-12 | 江苏巨杰机电有限公司 | Rotor detection auxiliary device for motor production |
| WO2021046871A1 (en) * | 2019-09-10 | 2021-03-18 | 苏州莱锦机电自动化科技有限公司 | Efficient vibration-damping device for mechanical apparatus |
| CN112621285A (en) * | 2020-12-07 | 2021-04-09 | 郴州市远利机械设备制造有限公司 | Positioning and clamping device for machining |
| CN213002825U (en) * | 2020-09-25 | 2021-04-20 | 深圳市鸿盛数控机床有限公司 | Clamping device for high-speed numerical control drilling and tapping center |
| CN113021023A (en) * | 2019-12-09 | 2021-06-25 | 天津市静海县家旭言液压机械有限公司 | Clamp for turning cylinder body of oil cylinder |
-
2021
- 2021-09-08 CN CN202111046289.7A patent/CN113695945A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204486829U (en) * | 2015-02-05 | 2015-07-22 | 杭州泽宁机电有限公司 | The two dynamic four paws centering chuck of twin columns |
| CN209754106U (en) * | 2019-05-10 | 2019-12-10 | 衢州职业技术学院 | Five curved surfaces on-line processing clamping device |
| WO2021046871A1 (en) * | 2019-09-10 | 2021-03-18 | 苏州莱锦机电自动化科技有限公司 | Efficient vibration-damping device for mechanical apparatus |
| CN210878663U (en) * | 2019-10-16 | 2020-06-30 | 般德阀门科技有限公司 | Drilling equipment is used in butterfly valve processing |
| CN113021023A (en) * | 2019-12-09 | 2021-06-25 | 天津市静海县家旭言液压机械有限公司 | Clamp for turning cylinder body of oil cylinder |
| CN111804994A (en) * | 2020-07-09 | 2020-10-23 | 深圳市壹闻科技有限公司 | Sawing machine with good clamping effect |
| CN111941116A (en) * | 2020-08-20 | 2020-11-17 | 傅荣煌 | Positioning and clamping device for machining |
| CN213002825U (en) * | 2020-09-25 | 2021-04-20 | 深圳市鸿盛数控机床有限公司 | Clamping device for high-speed numerical control drilling and tapping center |
| CN112264971A (en) * | 2020-11-18 | 2021-01-26 | 郑州大学 | Auxiliary device is used in bearing processing convenient to use |
| CN112476283A (en) * | 2020-11-23 | 2021-03-12 | 江苏巨杰机电有限公司 | Rotor detection auxiliary device for motor production |
| CN112621285A (en) * | 2020-12-07 | 2021-04-09 | 郴州市远利机械设备制造有限公司 | Positioning and clamping device for machining |
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