CN218341513U - Clamping mechanism for machining precision parts - Google Patents
Clamping mechanism for machining precision parts Download PDFInfo
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- CN218341513U CN218341513U CN202222362086.5U CN202222362086U CN218341513U CN 218341513 U CN218341513 U CN 218341513U CN 202222362086 U CN202222362086 U CN 202222362086U CN 218341513 U CN218341513 U CN 218341513U
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Abstract
The utility model discloses a clamping mechanism for processing precise parts, which comprises a base, wherein a chip groove is arranged on the upper surface of the base, a baffle is inserted into the left side of an inner cavity of the chip groove along the front-back direction, an angle adjusting mechanism is arranged at the right end of the upper surface of the base, and a rotatable clamping mechanism is arranged at the top end of the left side of the angle adjusting mechanism; the angle adjustment mechanism includes: the vertical plate is fixedly connected to the right end of the upper surface of the base and is hollow; the shaft sleeve is fixedly connected to the center of the top end of the left side of the vertical plate along the left-right direction; and the rotating shaft is rotatably arranged in the inner cavity of the shaft sleeve through a roller bearing. When in actual use, possess the inside and outside dual mode centre gripping of cylinder class work piece, the work piece comprehensive processing of being convenient for, moreover, can change the processing position of work piece as required at will, use in a flexible way, reduce the staff and operate the degree of difficulty, great satisfied the demand of work piece centre gripping.
Description
Technical Field
The utility model belongs to the technical field of the spare part processing, specifically be a clamping mechanism is used in accurate spare part processing.
Background
The precision parts comprise various high-precision accessories such as hardware, automobile accessories, flanges and the like, and for cylindrical accessories, the inner wall and the outer wall of the accessory are mainly processed, and the accessory needs to be clamped by a clamping mechanism in the processing process;
the anchor clamps that adopt at present can only be to urceolus or inner tube centre gripping, can't realize that the inside and outside two sides of accessory carry out the dual mode centre gripping, and the clamping position is not convenient for change, and comprehensive processing is comparatively difficult, can't change the angle by the machined surface at will moreover, and the staff operation degree of difficulty is big, and is not nimble enough, is difficult to satisfy the demand of using.
SUMMERY OF THE UTILITY MODEL
The utility model provides a clamping mechanism is used in processing of accurate spare part aims at solving the single problem that changes with the centre gripping angle of present centre gripping mode.
The utility model is realized in such a way, the clamping mechanism for processing the precision parts comprises a base, wherein the upper surface of the base is provided with a chip groove, the left side of the inner cavity of the chip groove is inserted with a baffle plate along the front-back direction, the right end of the upper surface of the base is provided with an angle adjusting mechanism, and the top end of the left side of the angle adjusting mechanism is provided with a rotatable clamping mechanism;
aim at adjusts the position of work piece when processing, angle adjustment mechanism includes: the vertical plate is fixedly connected to the right end of the upper surface of the base and is hollow; the shaft sleeve is fixedly connected to the center of the top end of the left side of the vertical plate in the left-right direction; the rotating shaft is rotatably arranged in the inner cavity of the shaft sleeve through a roller bearing; the worm wheel is connected to the right end of the outer wall of the rotating shaft in a key mode and is positioned in the inner cavity of the vertical plate; the worm can be rotatably arranged in the middle of the inner cavity of the vertical plate through a bearing in the front-back direction and is meshed and connected with the worm wheel; the positioning groove is formed in the front side of the vertical plate and corresponds to the worm in position; the spring is sleeved on the front side of the outer wall of the worm; the limiting plate is arranged at the front end of the worm; the knob is sleeved on the outer wall of the limiting plate, and the spring is located in an inner cavity of the knob.
Furthermore, the inner cavity of the positioning groove and the outer wall of the knob are both in a gear shape.
Furthermore, the outer wall of the limiting plate is in a regular polygon shape.
Still further, it is an object to provide both inner and outer wall clamping of a workpiece, the clamping mechanism comprising: the shell is fixedly connected to the left end of the rotating shaft and is coaxial with the rotating shaft; the cylinder is arranged on the right side of the inner cavity of the shell; the push-pull plate is arranged at the output end of the air cylinder; the number of the connecting rods is at least three, and one end of each connecting rod is rotatably arranged on the outer edge of the left side wall of the push-pull plate through a pin shaft along the circumferential direction; the sliding blocks are the same as the connecting rods in number and are inserted into the left side of the outer wall of the shell along the circumferential direction, and the inner side of the right side wall of each sliding block is connected with the other end of each connecting rod through a pin shaft; the clamping plate is fixedly connected to the outer side of the sliding block; the rubber pads, the quantity is a plurality of, bonds respectively on the upper and lower surface of splint.
Furthermore, a plurality of the sliding blocks are equidistantly distributed on the outer wall of the shell along the circumferential direction, and the sliding blocks are I-shaped.
Further, the splint is arc-shaped.
About implementing the utility model discloses a beneficial effect does: drive the push-and-pull board through the cylinder and remove to the left or to the right side, can make the connecting rod pull the slider and outwards or move to the inboard, to work piece inner wall centre gripping when splint move to the outside, to work piece outer wall centre gripping when splint move to the inboard, through knob antedisplacement separation constant head tank, the drive knob drives clockwise or anticlockwise rotation of worm, and then make the worm wheel drive pivot anticlockwise or clockwise rotation, realize the angular adjustment of work piece, therefore, when the in-service use, possess the inside and outside two kinds of mode centre gripping of cylinder class work piece, the comprehensive processing of work piece of being convenient for, moreover, can change the machined position of work piece as required at will, it is nimble to use, reduce the staff operation degree of difficulty, great demand that has satisfied the work piece centre gripping.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front sectional view of the angle adjustment mechanism and the clamping mechanism;
FIG. 3 is a left side sectional view of the angle adjustment mechanism;
FIG. 4 is an enlarged view at A;
fig. 5 is a schematic view of the clamping mechanism.
In the figure: 1. the automatic cutting device comprises a base, 2, a chip groove, 3, a baffle, 4, an angle adjusting mechanism, 5, a clamping mechanism, 41, a vertical plate, 42, a shaft sleeve, 43, a rotating shaft, 44, a worm wheel, 45, a worm, 46, a positioning groove, 47, a spring, 48, a limiting plate, 49, a knob, 51, a shell, 52, a cylinder, 53, a push-pull plate, 54, a connecting rod, 55, a sliding block, 56, a clamping plate, 57 and a rubber pad.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-5, the utility model relates to a clamping mechanism for processing precision parts, which comprises a base 1, wherein the upper surface of the base 1 is provided with a scrap groove 2 for collecting scraps generated during processing, the left side of the inner cavity of the scrap groove 2 is inserted with a baffle 3 along the front-back direction, the baffle 3 plays a role of blocking the scraps, the right end of the upper surface of the base 1 is provided with an angle adjusting mechanism 4, and the top end of the left side of the angle adjusting mechanism 4 is provided with a rotatable clamping mechanism 5;
the angle adjusting mechanism 4 comprises a vertical plate 41, a shaft sleeve 42, a rotating shaft 43, a worm wheel 44, a worm 45, a positioning groove 46, a spring 47, a limiting plate 48 and a knob 49, wherein the vertical plate 41 is fixedly connected to the right end of the upper surface of the base 1, and the vertical plate 41 is hollow; the shaft sleeve 42 is fixedly connected to the center of the top end of the left side of the vertical plate 41 along the left-right direction and is used for supporting the rotating shaft 43; the rotating shaft 43 is rotatably arranged in the inner cavity of the shaft sleeve 42 through a roller bearing; the worm wheel 44 is in key connection with the right end of the outer wall of the rotating shaft 43, and the worm wheel 44 is positioned in the inner cavity of the vertical plate 41; the worm 45 can be rotatably arranged in the middle of the inner cavity of the vertical plate 41 through a bearing in the front-back direction, the worm 45 is meshed with the worm wheel 44, and when the worm 45 rotates clockwise or anticlockwise, the worm wheel 44 can rotate anticlockwise or clockwise; the positioning groove 46 is formed in the front side of the vertical plate 41, and the positioning groove 46 corresponds to the worm 45; the spring 47 is sleeved on the front side of the outer wall of the worm 45, and the knob 49 is driven to move backwards under the action of the elastic force of the spring 47 and stay in the positioning groove 46; the limiting plate 48 is arranged at the front end of the worm 45, the outer wall of the limiting plate 48 is in a regular polygon shape, so that the knob 49 and the limiting plate 48 can synchronously rotate, and the worm 45 is driven to rotate through the knob 49; the knob 49 is sleeved on the outer wall of the limiting plate 48, and the spring 47 is positioned in the inner cavity of the knob 49;
when the workpiece machining position needs to be adjusted, the knob 49 is pulled forwards to enable the knob 49 to move out of the positioning groove 46, the knob 49 extrudes the spring 47, the positioning groove 46 does not limit the knob 49 at the moment, the knob 49 is screwed clockwise or anticlockwise, the limiting plate 48 can drive the worm 45 to rotate clockwise or anticlockwise, the worm wheel 44 further rotates anticlockwise or clockwise, the rotating shaft 43 drives the workpiece to rotate anticlockwise or clockwise, the workpiece position is changed, the knob 49 is loosened, the spring 47 pushes the knob 49 to move backwards and insert into the positioning groove 46 under the action of self elasticity, the worm 45 is braked, and therefore the adjustment of the workpiece machining position is achieved.
Specifically, the inner cavity of the positioning groove 46 and the outer wall of the knob 49 are both in a gear shape, and the knob 49 can be inserted into the positioning groove 46 from a plurality of rotation angles in the rotation process.
Specifically, the clamping mechanism 5 comprises a shell 51, an air cylinder 52, a push-pull plate 53, a connecting rod 54, a sliding block 55, a clamping plate 56 and a rubber pad 57, wherein the shell 51 is fixedly connected to the left end of the rotating shaft 43, and the shell 51 and the rotating shaft 43 are coaxial; the cylinder 52 is arranged on the right side of the inner cavity of the shell 51, and the push-pull plate 53 is driven to move left and right by the cylinder 52; the push-pull plate 53 is arranged at the output end of the air cylinder 52; the number of the connecting rods 54 is at least three, one end of each connecting rod 54 is rotatably arranged on the outer edge of the left side wall of the push-pull plate 53 through a pin shaft along the circumferential direction, and when the push-pull plate 53 moves left and right, the sliding block 55 can be pulled to move outwards or inwards through the connecting rods 54; the number of the sliding blocks 55 is the same as that of the connecting rods 54, the sliding blocks are inserted into the left side of the outer wall of the shell 51 along the circumferential direction, and the inner side of the right side wall of each sliding block 55 is connected with the other end of each connecting rod 54 through a pin shaft; the clamping plate 56 is fixedly connected to the outer side of the sliding block 55, the clamping plate 56 is arc-shaped, the surface of the clamping plate 56 is matched with the outer wall box of the workpiece, the contact surface area of the clamping plate 56 and the workpiece is enlarged, and the clamping stability is further improved; the rubber pads 57 are bonded to the upper surface and the lower surface of the clamping plate 56 respectively, and the rubber pads 57 have elasticity so as to prevent the workpiece from being scratched by the clamping plate 56;
the push-pull plate 53 is driven by the air cylinder 52 to move leftwards or rightwards, the connecting rod 54 is driven to pull the sliding block 55 to move outwards or outwards, the distance between the clamping plates 56 can be increased or decreased, a workpiece is sleeved on the clamping plates 56, the clamping plates 56 move outwards, rubber pads 57 at different positions simultaneously press the inner wall of the workpiece, clamping of the workpiece is achieved from the inside of the workpiece, the workpiece is placed between the clamping plates 56, the clamping plates 56 move inwards, the rubber pads 57 press the outer wall of the workpiece, and clamping of the workpiece is achieved from the outside of the workpiece.
Specifically, a plurality of sliders 55 are equidistantly distributed on the outer wall of the shell 51 along the circumferential direction, so that the sliders 55 can synchronously contact with a workpiece from a plurality of positions, the clamping stability is ensured, the sliders 55 are I-shaped, and the sliders 55 can stably slide on the shell 51 by utilizing the complex appearance characteristic of the sliders 55.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (6)
1. A clamping mechanism for machining precision parts comprises a base (1) and is characterized in that a chip groove (2) is formed in the upper surface of the base (1), a baffle (3) is inserted into the left side of an inner cavity of the chip groove (2) in a front-back direction in an inserting mode, an angle adjusting mechanism (4) is installed at the right end of the upper surface of the base (1), and a clamping mechanism (5) capable of rotating is installed at the top end of the left side of the angle adjusting mechanism (4);
the angle adjustment mechanism (4) includes:
the vertical plate (41) is fixedly connected to the right end of the upper surface of the base (1), and the vertical plate (41) is hollow;
the shaft sleeve (42) is fixedly connected to the center of the top end of the left side of the vertical plate (41) along the left-right direction;
a rotating shaft (43) rotatably mounted in the inner cavity of the shaft sleeve (42) through a roller bearing;
the worm wheel (44) is in key connection with the right end of the outer wall of the rotating shaft (43), and the worm wheel (44) is positioned in the inner cavity of the vertical plate (41);
the worm (45) is rotatably arranged in the middle of the inner cavity of the vertical plate (41) through a bearing along the front-back direction, and the worm (45) is meshed and connected with the worm wheel (44);
the positioning groove (46) is formed in the front side of the vertical plate (41), and the positioning groove (46) corresponds to the worm (45) in position;
the spring (47) is sleeved on the front side of the outer wall of the worm (45);
a limit plate (48) mounted at the front end of the worm (45);
the knob (49) is sleeved on the outer wall of the limiting plate (48), and the spring (47) is located in the inner cavity of the knob (49).
2. The clamping mechanism for machining precise parts according to claim 1, wherein the inner cavity of the positioning groove (46) and the outer wall of the knob (49) are both in the shape of gears.
3. The clamping mechanism for machining precision parts according to claim 1, wherein the outer wall of the limiting plate (48) is in a regular polygon shape.
4. The clamping mechanism for machining precision parts according to claim 1, wherein the clamping mechanism (5) comprises:
the shell (51) is fixedly connected to the left end of the rotating shaft (43), and the shell (51) and the rotating shaft (43) are coaxial;
a cylinder (52) mounted on the right side of the inner cavity of the housing (51);
a push-pull plate (53) mounted at the output end of the cylinder (52);
at least three connecting rods (54) are arranged, and one end of each connecting rod can be rotatably arranged on the outer edge of the left side wall of the push-pull plate (53) through a pin shaft along the circumferential direction;
the number of the sliding blocks (55) is the same as that of the connecting rods (54), the sliding blocks are inserted into the left side of the outer wall of the shell (51) along the circumferential direction, and the inner side of the right side wall of each sliding block (55) is connected with the other end of each connecting rod (54) through a pin shaft;
a clamping plate (56) fixedly connected to the outer side of the sliding block (55);
a plurality of rubber pads (57) respectively adhered to the upper and lower surfaces of the clamping plate (56).
5. The clamping mechanism for machining the precision parts as claimed in claim 4, wherein a plurality of the sliding blocks (55) are equidistantly distributed on the outer wall of the shell (51) along the circumferential direction, and the sliding blocks (55) are I-shaped.
6. The clamping mechanism for machining precision parts according to claim 4, wherein the clamping plate (56) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222362086.5U CN218341513U (en) | 2022-09-05 | 2022-09-05 | Clamping mechanism for machining precision parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222362086.5U CN218341513U (en) | 2022-09-05 | 2022-09-05 | Clamping mechanism for machining precision parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218341513U true CN218341513U (en) | 2023-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222362086.5U Active CN218341513U (en) | 2022-09-05 | 2022-09-05 | Clamping mechanism for machining precision parts |
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| Country | Link |
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| CN (1) | CN218341513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116372591A (en) * | 2023-04-06 | 2023-07-04 | 常州欧朗汽车零部件有限公司 | Machining positioning tool and positioning method for high-precision connection of automobile pipelines |
-
2022
- 2022-09-05 CN CN202222362086.5U patent/CN218341513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116372591A (en) * | 2023-04-06 | 2023-07-04 | 常州欧朗汽车零部件有限公司 | Machining positioning tool and positioning method for high-precision connection of automobile pipelines |
| CN116372591B (en) * | 2023-04-06 | 2024-02-09 | 常州欧朗汽车零部件有限公司 | Machining positioning tool and positioning method for high-precision connection of automobile pipelines |
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