CN112338831B - Anchor clamps suitable for toper thin wall part - Google Patents
Anchor clamps suitable for toper thin wall part Download PDFInfo
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- CN112338831B CN112338831B CN202011203013.0A CN202011203013A CN112338831B CN 112338831 B CN112338831 B CN 112338831B CN 202011203013 A CN202011203013 A CN 202011203013A CN 112338831 B CN112338831 B CN 112338831B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
The invention relates to the field of mechanical manufacturing, and particularly discloses a clamp suitable for a conical thin-wall part, which comprises a mandrel, wherein a compression ring, a positioning device and a fixing device are sequentially sleeved on the mandrel; the positioning device comprises a positioning ring which is detachably connected to the core shaft in a threaded manner, a plurality of pressing rods are distributed on the circumferential circular array of the positioning ring, the pressing rods incline towards the fixing device, the pressing rods are hinged to the edge of the positioning ring, and torsional springs are arranged at the hinged positions; the compression ring is detachably connected to the mandrel in a threaded manner; the fixing device comprises a fixing ring and a pushing ring, the fixing ring is fixedly connected to the mandrel, the pushing ring is connected to the mandrel in a sliding mode, a plurality of stop rods are distributed on the fixing ring, and the stop rods are hinged to the edge of the fixing ring; the periphery of the pushing ring is hinged with a plurality of connecting rods distributed in a circular array, the end parts of the connecting rods are hinged with the stop lever, and the pushing ring is also provided with a clamping device; the invention aims to solve the problem that the existing conical thin-wall part clamp cannot be applied to multi-angle conical thin-wall parts.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, and particularly discloses a clamp suitable for a conical thin-wall part.
Background
The clamp is a device which is used for fixing a processing object in the mechanical manufacturing process to enable the processing object to occupy the correct position so as to receive construction or detection, and is an impossible or scarce tool; in the machine manufacturing, the shapes of parts vary widely, and the types of jigs are also extremely large. The tapered thin-wall part (such as a tapered tube and the like) is special in shape, and a special clamp is usually required to be specially arranged, but the clamp of the tapered thin-wall part is generally designed specifically for the tapered angle, cannot be applied to tapered thin-wall parts at other angles, and cannot clamp and fix the part; the thickness of the conical thin-wall part is generally thin, the conical thin-wall part is very easy to deform in the machining process, and the conical thin-wall part can deform greatly in the machining process due to slight looseness.
Disclosure of Invention
The invention aims to provide a clamp suitable for a conical thin-wall part, and solves the problem that the existing clamp for the conical thin-wall part cannot be suitable for a multi-angle conical thin-wall part.
In order to achieve the purpose, the basic scheme of the invention is as follows:
a clamp suitable for a conical thin-wall part comprises a mandrel, wherein a compression ring, a positioning device and a fixing device are sequentially sleeved on the mandrel; the positioning device comprises a positioning ring which is detachably connected to the core shaft in a threaded manner, a plurality of pressing rods are distributed on the circumferential circular array of the positioning ring, the pressing rods incline towards the fixing device, the pressing rods are hinged to the edge of the positioning ring, and torsional springs are arranged at the hinged positions; the clamping ring is detachably connected to the mandrel in a threaded manner, the diameter of the clamping ring is larger than that of the positioning ring, and the edge of the end face of the clamping ring is an umbrella cover-shaped arc surface; the fixing device comprises a fixing ring and a pushing ring, the fixing ring is fixedly connected to the mandrel, the pushing ring is slidably connected to the mandrel, a plurality of stop levers are distributed on the periphery of the fixing ring in a circular array mode, the stop levers are hinged to the edge of the fixing ring, and the stop levers and the pressing lever are inclined at the same angle; the periphery of the pushing ring is hinged with a plurality of connecting rods distributed in a circular array, the end parts of the connecting rods are hinged with corresponding stop rods, and the pushing ring is further provided with a clamping device.
Furthermore, the clamping device comprises clamping plates fixed on the end parts of the pushing rings, the clamping plates are distributed in a circular array, and the free ends of the clamping plates face the direction far away from the pushing rings; the clamping plate is an elastic curved plate, a rubber layer is fixed on the inner wall of the clamping plate and is in contact with the mandrel, the thickness of the clamping plate is gradually increased, the clamping plate is in threaded connection with a positioning nut, and a limiting block is fixed on the free end of the clamping plate.
Furthermore, a supporting device is arranged on the fixing device and comprises a supporting plate arranged between adjacent stop levers, two through holes perpendicular to the stop levers are formed in the supporting plate, supporting rods are arranged in the through holes, the end parts of the opposite ends of the supporting rods are respectively connected with the corresponding stop levers in a spherical hinge mode, and annular clamping grooves which are uniformly distributed are formed in the supporting rods; a connecting hole is formed in the supporting plate and is vertical to the through hole, and a conical bolt is arranged in the connecting hole; the connecting hole both sides all set up the cross slot with the through-hole intercommunication, and equal sliding connection has the fixture block in the cross slot, all is fixed with the spring between fixture block and the cross slot, and the tip of fixture block stretches into the connecting hole and offsets with the bolt.
Furthermore, the two sides of the pressing rod are symmetrically hinged to auxiliary supporting plates, torsional springs are fixed at the hinged positions, the auxiliary supporting plates are parallel to the pressing rod, the cross sections of the auxiliary supporting plates are arc-shaped, and arc-shaped protrusions of the auxiliary supporting plates face the stop lever.
Further, compress tightly the pole and be crisscross setting with the pin, and compress tightly the pole and equal with the length of pin.
Further, the surfaces of the pressing rod, the stop lever and the auxiliary supporting plate are all provided with anti-skid rubber layers.
The working principle and the beneficial effects of the scheme are as follows:
1. in this scheme, compress tightly the pole and adopt articulated mode with the pin, can follow the toper angle swing of toper thin wall part, make it hug closely on the surface of part, applicable in the toper thin wall part of multi-angle, at the in-process of the toper thin wall part of processing multiple toper angle, need not to change anchor clamps, when improving machining efficiency, also reduced the type and the quantity of anchor clamps, reach resources are saved's purpose.
2. In this scheme, utilize to compress tightly the pole and carry out the centre gripping with the pin from the both sides of toper thin wall part, form centre gripping and support from the two sides, in fixed part, also support the thin wall of part, at the in-process of part at processing, can effectually prevent that the part from taking place deformation because of being too thin.
3. In the scheme, when parts of the same type are continuously machined, the push ring is kept fixed, and only the compression ring and the positioning ring are required to be taken down and installed, so that the clamping process is reduced, and the machining efficiency can be improved; in addition, can also pile up a plurality of the same toper thin wall parts simultaneously and install on the dabber, carry out centre gripping processing to a plurality of parts simultaneously, can effectual promotion part machining efficiency.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of an embodiment of the present invention;
fig. 3 is an enlarged schematic view of a point a in fig. 2.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: dabber 1, clamp ring 2, holding ring 3, compression bar 4, solid fixed ring 5, pin 6, push ring 7, pinch-off plate 8, dog 9, set nut 10, backup pad 11, bracing piece 12, bolt 13, fixture block 14, auxiliary stay board 15, connecting rod 16.
Examples
As shown in fig. 1, 2 and 3:
a clamp suitable for a conical thin-wall part comprises a mandrel 1, wherein a compression ring 2, a positioning device and a fixing device are sequentially sleeved on the mandrel 1; the positioning device comprises a positioning ring 3 which is detachably connected to the mandrel 1 in a threaded manner, four pressing rods 4 (the number of the pressing rods 4 and the stop rods 6 is four in the embodiment) are distributed on the circumference of the positioning ring 3 in a circular array, the pressing rods 4 incline towards the fixing device, the pressing rods 4 are hinged to the edge of the positioning ring 3, and torsion springs are arranged at the hinged positions; the compression ring 2 is detachably connected to the mandrel 1 in a threaded manner, the diameter of the compression ring 2 is larger than that of the positioning ring 3, and the edge of the end face of the compression ring 2 is an umbrella cover-shaped arc surface; the fixing device comprises a fixing ring 5 and a pushing ring 7, the fixing ring 5 is fixedly connected to the mandrel 1, the pushing ring 7 is connected to the mandrel 1 in a sliding mode, four stop levers 6 are distributed on the periphery of the fixing ring 5 in a circular array mode, the stop levers 6 are hinged to the edge of the fixing ring 5, and the stop levers 6 and the pressing rods 4 are inclined at the same angle; four connecting rods 16 distributed in a circular array are hinged to the periphery of the push ring 7, the end portions of the connecting rods 16 are hinged to the corresponding stop rods 6, and a clamping device is further arranged on the push ring 7.
Sleeving a conical thin-wall part on a mandrel 1, pushing the part to press a fixing ring 5, then installing a positioning ring 3 on the mandrel 1, rotating the positioning ring 3 to enable the positioning ring 3 to be attached to the part, clamping the middle shaft part of the part by the positioning ring 3 and the fixing ring 5 at the moment, and swinging a compression rod 4 and a stop lever 6 under the force of the thin wall of the part until the compression rod 4 and the stop lever 6 swing to the same angle with the thin wall of the part, wherein the compression rod 4 and the stop lever 6 are respectively attached to the inner wall and the outer wall of the part at the moment to clamp and support the thin wall of the part; the stop lever 6 drives the pushing ring 7 to slide on the mandrel 1 through the connecting rod 16 in the swinging process, and the pushing ring 7 is fixed after the stop lever 6 stops swinging, so that the stop lever 6 is fixed reversely, and the stop lever 6 is prevented from swinging again; then threaded connection clamp ring 2 again, rotatory clamp ring 2 makes the canopy shape arc surface of clamp ring 2 compress tightly on compression rod 4, fixes compression rod 4, prevents that compression rod 4 is not hard up.
1. Because the compressing rod 4 and the stop lever 6 are respectively connected to the positioning ring 3 and the fixing ring 5 in a hinged mode, the compressing rod 4 and the stop lever 6 can swing along with the taper angle of the taper thin-wall part to be tightly attached to the surface of the part, and the device is suitable for the taper thin-wall parts at multiple angles, and in the process of processing the taper thin-wall parts at multiple taper angles, the device does not need to replace a clamp, improves the processing efficiency, reduces the types and the number of the clamps, and achieves the purpose of saving resources.
2. The pressing rod 4 and the stop lever 6 are clamped from two sides of the conical thin-wall part, clamping and supporting are formed from two sides, the thin wall of the part is supported while the part is fixed, and the part can be effectively prevented from being deformed due to over-thinness in the processing process of the part.
3. When parts of the same type are continuously machined, the push ring 7 is kept fixed, and only the compression ring 2 and the positioning ring 3 are required to be taken down and installed, so that the clamping process is reduced, and the machining efficiency can be improved; in addition, can also pile up a plurality of the same toper thin wall parts simultaneously and install on dabber 1, carry out centre gripping processing to a plurality of parts simultaneously, can effectual promotion part machining efficiency.
Further, the clamping device comprises clamping plates 8 fixed on the end parts of the pushing rings 7, the clamping plates 8 are distributed in a circular array, and the free ends of the clamping plates 8 face the direction far away from the pushing rings 7; the clamping plate 8 is an elastic curved plate, a rubber layer is fixed on the inner wall of the clamping plate 8 and is in contact with the mandrel 1, the thickness of the clamping plate 8 is gradually increased, the clamping plate 8 is in threaded connection with a positioning nut 10, and a limiting block is fixed on the free end of the clamping plate 8.
After the pushing ring 7 stops moving, the positioning nut 10 is rotated to enable the positioning nut 10 to move towards the limiting block, the thickness of the clamping plate 8 is gradually increased, in the process that the positioning nut 10 moves towards the limiting block, the positioning nut 10 continuously extrudes the clamping plate 8 to enable the friction force between the clamping plate 8 and the mandrel 1 to be larger and larger, when the positioning nut 10 moves to a certain position, the friction force between the clamping plate 8 and the mandrel 1 is increased to a certain degree, the clamping plate 8 is fixed on the mandrel 1 to fix the pushing ring 7, a rubber layer is fixed on the clamping plate 8 to be in contact with the mandrel 1, the friction between the clamping plate 8 and the mandrel 1 is increased, and the stability between the clamping plate 8 and the mandrel 1 is enhanced; when the push ring 7 needs to be moved, only the positioning nut 10 needs to be rotated reversely, the fixing mode of the whole push ring 7 is simple and quick, and the processing efficiency can be effectively improved.
Furthermore, a supporting device is arranged on the fixing device, the supporting device comprises a supporting plate 11 arranged between adjacent stop levers 6, two through holes perpendicular to the stop levers 6 are formed in the supporting plate 11, supporting rods 12 are arranged in the through holes, the end parts of the opposite ends of the supporting rods 12 are respectively connected with the corresponding stop levers 6 in a spherical hinge mode, and annular clamping grooves which are uniformly distributed are formed in the supporting rods 12; a connecting hole is formed in the supporting plate 11 and is vertical to the through hole, and a conical bolt 13 is arranged in the connecting hole; the transverse grooves communicated with the through holes are formed in the two sides of the connecting holes, the clamping blocks 14 are connected in the transverse grooves in a sliding mode, springs are fixed between the clamping blocks 14 and the transverse grooves, and the end portions of the clamping blocks 14 extend into the connecting holes to abut against the bolts 13.
In the swinging process of the baffle, the baffle drives the support rods 12 to move together, so that the two support rods 12 slide in the connecting holes in the reverse direction; when the stop lever 6 stops swinging, the plug pin 13 is inserted into the connecting hole, the plug pin 13 pushes the fixture block 14 to slide in the transverse groove until the end part of the fixture block 14 extends into the through hole to be contacted with the support rod 12, the support rod 12 is fixed through the cooperation of the fixture block 14 and the clamping groove on the support rod 12, so that a support is formed between the baffle and the baffle, a bidirectional support is formed between the baffle and the baffle, the push ring 7 and the connecting rod 16 are used for reinforcing the stability of the baffle, the integral stability of the clamp is improved, and the loosening of parts is avoided; when the stop lever 6 needs to swing, the plug pin 13 is only required to be pulled out, the fixture block 14 reversely slides back to the initial position under the action of the spring, and the fixing of the support rod 12 is loosened; the whole operation process is simple and quick, and the machining efficiency can be effectively improved.
Further, the both sides of the pressing rod 4 are symmetrically hinged with auxiliary supporting plates 15, the hinged parts are fixed with torsion springs, the auxiliary supporting plates 15 are parallel to the pressing rod 4, the cross sections of the auxiliary supporting plates 15 are arc-shaped, and arc-shaped protrusions of the auxiliary supporting plates 15 face the stop lever 6. The supporting surface of the pressing rod 4 for the part is increased through the auxiliary supporting plate 15, and the clamping stability of the part is improved.
Further, the pressing rod 4 and the stop lever 6 are arranged in a staggered mode, and the length of the pressing rod 4 is equal to that of the stop lever 6.
Further, the surfaces of the pressing rod 4, the stop lever 6 and the auxiliary supporting plate 15 are all provided with anti-skid rubber layers.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (5)
1. The utility model provides a anchor clamps suitable for toper thin wall part which characterized in that: the clamping device comprises a mandrel, wherein a compression ring, a positioning device and a fixing device are sequentially sleeved on the mandrel; the positioning device comprises a positioning ring which is detachably connected to the core shaft in a threaded manner, a plurality of pressing rods are distributed on the circumferential circular array of the positioning ring, the pressing rods incline towards the fixing device, the pressing rods are hinged to the edge of the positioning ring, and torsional springs are arranged at the hinged positions; the clamping ring is detachably connected to the mandrel in a threaded manner, the diameter of the clamping ring is larger than that of the positioning ring, and the edge of the end face of the clamping ring is an umbrella cover-shaped arc surface; the fixing device comprises a fixing ring and a pushing ring, the fixing ring is fixedly connected to the mandrel, the pushing ring is slidably connected to the mandrel, a plurality of stop levers are distributed on the periphery of the fixing ring in a circular array mode, the stop levers are hinged to the edge of the fixing ring, and the stop levers and the pressing lever are inclined at the same angle; a plurality of connecting rods distributed in a circular array are hinged on the periphery of the pushing ring, the end parts of the connecting rods are hinged with corresponding stop rods, and a clamping device is further arranged on the pushing ring; the fixing device is provided with a supporting device, the supporting device comprises a supporting plate arranged between adjacent stop levers, two through holes perpendicular to the stop levers are formed in the supporting plate, supporting rods are arranged in the through holes, the end parts of the opposite ends of the supporting rods are respectively connected with the corresponding stop levers in a ball hinge mode, and annular clamping grooves which are uniformly distributed are formed in the supporting rods; a connecting hole is formed in the supporting plate and is vertical to the through hole, and a conical bolt is arranged in the connecting hole; the two sides of the connecting hole are provided with transverse grooves communicated with the through hole, clamping blocks are connected in the transverse grooves in a sliding mode, springs are fixed between the clamping blocks and the transverse grooves, and the end portions of the clamping blocks extend into the connecting hole to abut against the bolt.
2. The clamp suitable for the tapered thin-walled part according to claim 1, wherein: the clamping device comprises clamping plates fixed on the end parts of the pushing rings, the clamping plates are distributed in a circular array, and the free ends of the clamping plates face the direction far away from the pushing rings; the clamping plate is an elastic curved plate, a rubber layer is fixed on the inner wall of the clamping plate and is in contact with the mandrel, the thickness of the clamping plate is gradually increased, the clamping plate is in threaded connection with a positioning nut, and a limiting block is fixed on the free end of the clamping plate.
3. The clamp suitable for the tapered thin-walled part according to claim 2, wherein: the two sides of the pressing rod are symmetrically hinged to auxiliary supporting plates, torsional springs are fixed at the hinged positions, the auxiliary supporting plates are parallel to the pressing rod, the cross sections of the auxiliary supporting plates are arc-shaped, and arc-shaped protrusions of the auxiliary supporting plates face the stop lever.
4. A clamp suitable for tapered thin-walled parts according to claim 3, wherein: the pressing rods and the stop rods are arranged in a staggered mode, and the pressing rods and the stop rods are equal in length.
5. The clamp suitable for the tapered thin-walled part according to claim 4, wherein: the surfaces of the pressing rod, the stop lever and the auxiliary supporting plate are all provided with anti-skid rubber layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203013.0A CN112338831B (en) | 2020-11-02 | 2020-11-02 | Anchor clamps suitable for toper thin wall part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203013.0A CN112338831B (en) | 2020-11-02 | 2020-11-02 | Anchor clamps suitable for toper thin wall part |
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| Publication Number | Publication Date |
|---|---|
| CN112338831A CN112338831A (en) | 2021-02-09 |
| CN112338831B true CN112338831B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011203013.0A Active CN112338831B (en) | 2020-11-02 | 2020-11-02 | Anchor clamps suitable for toper thin wall part |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114378602B (en) * | 2022-03-25 | 2022-06-03 | 北京航天和兴科技股份有限公司 | Clamping mechanism of guided missile heat-proof sleeve turning and grinding processing equipment and equipment with clamping mechanism |
| CN115401305B (en) * | 2022-09-27 | 2024-10-18 | 陕西风润智能制造研究院有限公司 | Thin-wall cylinder welding assembly rounding device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CS253887B1 (en) * | 1985-12-23 | 1987-12-17 | Leopold Marek | Restoration apparatus for the spindle clamping cones |
| CN102689192A (en) * | 2011-03-23 | 2012-09-26 | 哈尔滨建成集团有限公司 | Clamp for turning thin-wall conical part |
| CN105014412A (en) * | 2015-07-28 | 2015-11-04 | 成都市松川金属材料有限公司 | Cone-shaped tube machining and locating fixture |
| CN208147450U (en) * | 2018-03-16 | 2018-11-27 | 陕西飞机工业（集团）有限公司 | It is a kind of for processing the turning attachment of thin-walled cast part |
| CN210997606U (en) * | 2019-11-08 | 2020-07-14 | 洛阳长峰电子科技有限公司 | Processing tool for circular truncated cone-shaped thin-walled cylinder |
| CN211590029U (en) * | 2019-12-18 | 2020-09-29 | 天津龙创恒盛实业有限公司 | Cone fixing and rotating device |
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