CN212824019U - Clamp for machining piston - Google Patents
Clamp for machining piston Download PDFInfo
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- CN212824019U CN212824019U CN202021268694.4U CN202021268694U CN212824019U CN 212824019 U CN212824019 U CN 212824019U CN 202021268694 U CN202021268694 U CN 202021268694U CN 212824019 U CN212824019 U CN 212824019U
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- piston
- vertical plate
- clamp
- transmission mechanism
- fixture
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Abstract
The utility model provides a piston machining's anchor clamps, is including the supporting seat that is used for placing the piston, the supporting seat place on the anchor clamps body, the supporting seat both sides are provided with the clamping device who is used for restricting the supporting seat and removes, piston top be provided with middle power transmission mechanism, middle power transmission mechanism goes up to open porosely, has passed fixed guide on the hole, fixed guide contacts with the piston, anchor clamps body front end be provided with the tool setting device that corresponds with the piston. The utility model discloses the realization is got to the stable clamp of piston, can also carry out the purpose of accurate positioning to the piston of getting to the clamp, improves work efficiency, reduces piston processing cost.
Description
Technical Field
The utility model relates to an anchor clamps technical field, in particular to piston machining's anchor clamps.
Background
As one of the parts of the internal combustion engine, a piston reciprocates at high speed for a long time when the engine is operated. And the piston processing is to roughly grind the top from the first procedure to ensure the central line symmetry until the valve avoiding pit is processed at the back. The top is coarsely ground, so that the subsequent positioning of the piston is facilitated, and the smooth processing of all the subsequent procedures is ensured. The valve avoiding pit is a structure of the top surface part of the piston, and the valve and the piston valve avoiding pit have fixed positions and certain gaps in the working process of the piston. If the valve pit is not in proper position, the valve and the edge of the valve avoiding pit interfere, noise is generated, and the piston is damaged.
However, in the process of developing practical work at the present stage, the traditional special fixture adopted by the piston is troublesome in positioning the piston, and the piston cannot be guaranteed to be in the axis position of the fixture, so that the working efficiency is low, and the working quality is low.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model aims to provide a piston machining's anchor clamps realizes getting the stable clamp of piston, can also carry out the purpose of accurate positioning to the piston of getting to the clamp, improves work efficiency, reduces piston processing cost.
In order to realize the purpose, the utility model discloses a technical scheme is:
the utility model provides a piston machining's anchor clamps, is including the supporting seat 7 that is used for placing piston 2, supporting seat 7 place on the anchor clamps body 28, supporting seat 7 both sides are provided with the clamping device 32 that is used for restricting supporting seat 7 and removes, piston 2 top be provided with middle power transmission mechanism 36, it has the hole to open on the middle power transmission mechanism 36, has passed fixed guide 3 on the hole, fixed guide 3 contacts with piston 2, the anchor clamps body 28 front end be provided with the tool setting device 33 that corresponds with piston 2.
The clamping device 32 comprises a clamping element 34 for limiting the movement of the piston 2, an intermediate force transmission mechanism 36 is arranged above the clamping element 34, and a force source device 35 is arranged on the intermediate force transmission mechanism 36.
The anchor clamps body 28 include the anchor clamps base 15 of bottom, be located anchor clamps base 15 upper surface front and back and be provided with left riser 29 and right riser 30 respectively, be located anchor clamps base 15 upper surface between left riser 29 and the right riser 30 front and back and be provided with bellied ring 31 respectively, ring 31 between open and to have the locating hole, ring 31 upper surface is provided with supporting seat 7.
The clamp base 15 is connected with a left vertical plate 29 on the left side through a bolt, and is connected with a right vertical plate 30 on the right side through a bolt, and a circular ring 31 is arranged in the middle of the clamp base 15 and is connected with the clamp base through a bolt.
The supporting seat 7 and the fixture body 28 are fixedly connected through a positioning bolt 12, a key 6 is arranged at the tail end of the positioning bolt and clamped with the supporting seat 7, and the positioning bolt 12 penetrates through the positioning hole.
The left vertical plate 29 is provided with a hole, the hole is penetrated by a tool setting device 33, the tool setting device 33 comprises a tool setting block 37, the left side of the tool setting device 33 is provided with a spiral handle 13, a gasket 8 is arranged close to the spiral handle 13, the right end of the tool setting block 37 is provided with a feeler gauge 38, and the feeler gauge 38 reaches the position of the piston 2 through the hole of the left vertical plate 29 and the hole of the clamping element 34.
The hole on the left vertical plate 29 is provided with a guide 9, a bush 10 and a taper pin 27 for fixing a tool setting device 33.
The novel vertical plate is characterized in that a middle force transmission mechanism 36 is arranged between the tops of the left vertical plate 29 and the right vertical plate 30, the left vertical plate 29 and the middle force transmission mechanism 36 are fixed through a hexagon socket head cap screw 1, and the right vertical plate 30 and the middle force transmission mechanism 36 are fixedly connected with a nut 5 through a stud A4.
The front and the rear of the clamp body 28 are provided with screw clamping devices 39 for fixing the piston 2.
The screw clamping device 39 is connected with the support plate 21 and the clamp base 15 through a stud bolt B20 at a position close to the piston 2, a slotted pan head screw 18 is arranged at the upper part of the stud bolt B20, a stud bolt C22 is also arranged at a position far away from the piston 2 and used for connecting the support plate 21 and the clamp base 15, and a reinforcing ring 23 is arranged on the stud bolt.
The utility model has the advantages that:
the clamp clamping device adopts a spiral clamping device, and has the advantages of simple mechanism, large clamping stroke, good self-locking performance and large reinforcement ratio. The piston can be effectively fixed on the fixture body, and the piston is convenient to process.
This piston machining anchor clamps, reasonable in design, simple structure.
Drawings
Fig. 1 is a schematic structural diagram of a front view of the present invention.
Fig. 2 is a schematic structural diagram of the left side view of the present invention.
Fig. 3 is a schematic structural diagram of a top view of the present invention.
Fig. 4 is a schematic view of the structure of the clamp body of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-4: comprises a clamping device 32, a tool setting device 33 and a clamp body 28;
the clamping device 32 consists of a clamping element 34, a force source device 35 and an intermediate force transmission mechanism 36. The processed piston 2 is placed between the clamping element 34 and the supporting seat 7 above the circular ring 31 on the clamp body 28, and the piston 2 is pressed against the piston 2 through the fixed guide 3 passing through the hole on the middle force transmission mechanism 36;
the supporting seat 7 and the clamp body 28 are fixedly connected through a positioning bolt 12, and a key 6 at the tail end of the positioning bolt is clamped with the supporting seat 7;
the middle force transmission mechanism 36 plays a role in self-locking and changing the magnitude, direction and action point of force in the process of force transmission;
the tool setting device 33 mainly comprises a tool setting block 37 and a feeler 38, and is used for determining the relative position of a clamp and a tool;
the left side of the tool setting device 33 is provided with a spiral handle 13, a gasket 8 is arranged close to the spiral handle 13, the right end of a tool setting block 37 is provided with a feeler 38 which reaches the position of the piston 2 through a hole of a left vertical plate 29 and a hole of a clamping element 34, and a guide 9, a bush 10 and a taper pin 27 are arranged at the position of the hole of the left vertical plate 29 for fixing the tool setting device 33;
the clamp body 28 comprises a clamp base 15, the clamp base 15 is connected with a left vertical plate 29 on the left side of the clamp base through a bolt, the clamp base is connected with a right vertical plate 30 on the right side of the clamp base through a bolt, and a circular ring 31 is arranged in the middle of the clamp base 15 and connected with the clamp base through a bolt;
the socket head cap screw 1 plays a role in connecting and fixing the left vertical plate 29 and the middle force transmission mechanism 36 in the clamp body 28;
the stud A4 and the nut 5 play a role in connecting and fixing the right vertical plate 30 and the middle force transmission mechanism 36 in the clamp body 28;
the front and the rear of the clamp body 28 are provided with screw clamping devices 39 for fixing the piston 2;
the screw clamping device 39 is connected with the support plate 21 and the clamp base 15 through a stud B20 at a position close to the piston 2, a slotted pan head screw 18 is arranged at the upper part of the stud, a stud C22 is also arranged at a position far away from the piston 2 to connect the support plate 21 and the clamp base 15, and a reinforcing ring 23 is arranged on the stud;
the screw clamp (see fig. 2) connects the clamp base 15 to the support plate 21 with a stud C22 and is clamped to the clamp base 15 with a slotted pan head screw 18 through a hole in the support plate 21.
The piston machining fixture is designed from the aspects of the structure of the piston machining fixture and the like on the basis of theories such as material mechanics, modern structure tests, optimized design and the like by utilizing technologies such as three-dimensional modeling software, mechanical optimized design and the like.
The clamp for piston machining is innovatively designed, a clamping device of the clamp adopts a spiral clamping mechanism and is provided with a tool setting device, and the device effectively avoids the situation that a tool is in direct contact with a tool setting block to damage a cutting edge or cause premature wear of the tool setting block. The piston can be fixedly processed.
The clamping technology established by the design of the piston machining clamp can overcome the defects of the traditional common clamping technology, the purpose of clamping the piston once and processing the piston is realized, the working efficiency is improved, and the processing cost is reduced.
The utility model discloses a theory of operation:
when the piston 2 protection device works, the piston 2 is firstly placed on the supporting seat 7, and then the clamp base 15 and the circular ring 31 are fixed with the supporting seat 7 through the positioning bolt 12, so that the supporting seat 7 is prevented from moving, and the piston 2 is effectively protected. The feeler unit 33 is then inserted through the hole of the left vertical plate 29, and the feeler block 37 is controlled by rotating the screw handle 13, so that the feeler 38 on the feeler block 37 is operated. The support plate 21 and the jig base 15 are clamped and fixed by screw clamps 39 at the front and rear of the clamp 32 so that the piston 2 does not move up and down. After the piston 2 does not move up and down and left and right, the piston 2 is processed. In the clamping process, the positioning bolt 12 and the spiral clamping device 39 are clamped and fixed, so that the working efficiency is improved. After the machining is finished, the piston 2 can be loosened by rotating, and the piston 2 can be taken out.
Claims (10)
1. The utility model provides a piston machining's anchor clamps, its characterized in that, is including supporting seat (7) that are used for placing piston (2), supporting seat (7) place on the anchor clamps body (28), supporting seat (7) both sides are provided with clamping device (32) that are used for restricting supporting seat (7) and remove, piston (2) top be provided with middle power transmission mechanism (36), it is porose to open on middle power transmission mechanism (36), has passed on the hole and has fixed guide (3), fixed guide (3) contact with piston (2), anchor clamps body (28) front end be provided with tool setting device (33) that correspond with piston (2).
2. A piston machining clamp according to claim 1, characterized in that the clamping means (32) comprise a clamping element (34) for limiting the movement of the piston (2), and above the clamping element (34) is an intermediate force transmission mechanism (36), and the intermediate force transmission mechanism (36) is provided with a force source device (35).
3. The piston machining clamp as claimed in claim 1, wherein the clamp body (28) comprises a bottom clamp base (15), a left vertical plate (29) and a right vertical plate (30) are respectively arranged in front of and behind the upper surface of the clamp base (15), raised circular rings (31) are respectively arranged in front of and behind the upper surface of the clamp base (15) between the left vertical plate (29) and the right vertical plate (30), positioning holes are formed between the circular rings (31), and a supporting seat (7) is arranged on the upper surface of each circular ring (31).
4. A piston machining fixture as claimed in claim 3, characterised in that the fixture base (15) is bolted to the left riser (29) on its left side and to the right riser (30) on its right side, and in that a ring (31) is bolted to the centre of the fixture base (15).
5. A piston machining fixture as claimed in claim 3, characterised in that the support (7) and the fixture body (28) are connected and fixed by a locating bolt (12), a key (6) at the end of the locating bolt is clamped with the support (7), and the locating bolt (12) passes through the locating hole.
6. A piston machining fixture according to claim 3, characterized in that the left vertical plate (29) is provided with a hole, a tool setting device (33) passes through the hole, the tool setting device (33) comprises a tool setting block (37), the left side of the tool setting device (33) is provided with a screw handle (13), a gasket (8) is arranged close to the screw handle (13), the right end of the tool setting block (37) is provided with a feeler gauge (38), and the feeler gauge (38) reaches the position of the piston (2) through the hole of the left vertical plate (29) and the hole of the clamping element (34).
7. A piston machining fixture as claimed in claim 3, characterised in that the guide (9), bushing (10) and taper pin (27) are mounted at the hole in the left riser (29) to secure the feeler device (33).
8. The piston machining clamp according to claim 3, characterized in that an intermediate force transmission mechanism (36) is arranged between the tops of the left vertical plate (29) and the right vertical plate (30), the left vertical plate (29) and the intermediate force transmission mechanism (36) are fixed through the hexagon socket head cap screws (1), and the right vertical plate (30) and the intermediate force transmission mechanism (36) are fixedly connected with the nuts (5) through the stud bolts A (4).
9. A piston machining fixture as claimed in claim 3, characterised in that the fixture body (28) is provided with screw clamping means (39) at the front and rear for securing the piston (2).
10. A piston machining fixture as claimed in claim 9, characterised in that the screw clamp (39) is connected to the support plate (21) and the fixture base (15) by a stud B (20) near the piston (2), a slotted pan head screw (18) is provided at the upper part of the stud B (20), a stud C (22) is provided far from the piston (2) for connecting the support plate (21) and the fixture base (15), and a reinforcing ring (23) is provided on the stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021268694.4U CN212824019U (en) | 2020-07-01 | 2020-07-01 | Clamp for machining piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021268694.4U CN212824019U (en) | 2020-07-01 | 2020-07-01 | Clamp for machining piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212824019U true CN212824019U (en) | 2021-03-30 |
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ID=75180775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021268694.4U Active CN212824019U (en) | 2020-07-01 | 2020-07-01 | Clamp for machining piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212824019U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434177A (en) * | 2022-02-22 | 2022-05-06 | 西安石油大学 | Four-axis milling fixture for piston cylinder shell |
-
2020
- 2020-07-01 CN CN202021268694.4U patent/CN212824019U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114434177A (en) * | 2022-02-22 | 2022-05-06 | 西安石油大学 | Four-axis milling fixture for piston cylinder shell |
| CN114434177B (en) * | 2022-02-22 | 2024-04-30 | 西安石油大学 | Four-axis milling clamp for piston cylinder shell |
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