CN112171329B - Special-shaped part machining clamping positioner - Google Patents
Special-shaped part machining clamping positioner Download PDFInfo
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- CN112171329B CN112171329B CN202011015024.6A CN202011015024A CN112171329B CN 112171329 B CN112171329 B CN 112171329B CN 202011015024 A CN202011015024 A CN 202011015024A CN 112171329 B CN112171329 B CN 112171329B
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
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Abstract
The invention relates to the technical field of machining and discloses a special-shaped part machining, clamping and positioning device which comprises a base, wherein four groups of weight holes are formed in the top wall surface of the base, rectangular grooves are formed in the ends, close to the central point, of the side walls of the four groups of weight holes, corresponding to the positions, of the four groups of weight holes, springs are arranged inside the base, and the ends, close to the central point, of the four groups of springs are fixedly connected with one side wall surface, close to the central point, of the four groups of weight holes, corresponding to the positions, of the rectangular grooves. According to the special-shaped part machining clamping and positioning device, the rotating blocks on the four rotating rods are sequentially rotated to sequentially move the four moving blocks towards the direction close to the central point, then the four groups of ejector rods are rotated, and the four groups of pressing plates are respectively rotated towards the direction of the central point around the limiting rods on the corresponding moving blocks, so that the rubber blocks are tightly attached to the side walls of the special-shaped part, the contact area between the rubber blocks and the special-shaped part is increased, and the effect of improving the fixing effect is achieved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a clamping and positioning device for machining of special-shaped parts.
Background
Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining.
Existing machining technology needs to use positioner on the existing market, when carrying out machining to the part, can meet special-shaped part inevitable, because the irregularity of special-shaped part shape, calliper on the positioner and special-shaped part's area of contact can diminish, because calliper fixed position leads to positioner can not be with the stable fixed of special-shaped part. Therefore, a clamping and positioning device for machining of special-shaped parts is provided.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a clamping and positioning device for machining of special-shaped parts.
In order to achieve the purpose, the invention adopts the following technical scheme that the clamping and positioning device for machining the special-shaped part comprises a base, wherein four groups of weight holes are formed in the top wall surface of the base, rectangular grooves are formed in the ends, close to the central point, of the side walls of the corresponding positions of the four groups of weight holes, springs are arranged in the base, one ends, close to the central point, of the four groups of springs are fixedly connected with one side wall surfaces, close to the central point, of the corresponding positions of the rectangular grooves of the four groups of weight holes respectively, fixture blocks are arranged in the four groups of weight holes, the top wall surfaces of the four groups of fixture blocks are in an inclined shape, the height of the end, far away from the central point, of the top wall surfaces of the four groups of fixture blocks is lower, one ends, close to the center, of the side walls of the four groups of fixture blocks are fixedly connected with one ends, far away from the central point, of the four groups of springs are respectively, four groups of movable blocks are provided with four groups of movable blocks, rectangular grooves are provided with circular holes in the corresponding positions, the bottom surfaces and the top wall surfaces of the rectangular grooves of the four groups of the movable blocks are provided with circular holes respectively, the four groups of moving blocks are all fixedly provided with bearings, limiting rods are arranged inside the four groups of moving blocks, the top ends and the bottom ends of the side walls of the four groups of limiting rods are respectively fixedly connected with the wall surfaces of positions corresponding to the holes in the two groups of bearings inside the four groups of moving blocks, pressing plates are arranged outside the four groups of moving blocks, circular holes are formed in the top wall surfaces of the four groups of pressing plates, the wall surfaces of the corresponding positions of the circular holes in the four groups of pressing plates are respectively fixedly connected with the side walls of the four groups of limiting rods, one side wall surface of each group of pressing plates, which is close to a central point, is fixedly provided with a rubber block, the bottom wall surfaces of the four groups of moving blocks are respectively provided with a T-shaped block, four groups of T-shaped grooves are formed in the top wall surface of the base, the side walls of the four groups of T-shaped blocks are respectively attached to the corresponding position wall surfaces of the four groups of T-shaped grooves, threaded holes are formed in one side wall surfaces, which are close to the central points, of the four groups of T-shaped grooves, and circular holes are formed in the four groups of T-shaped grooves.
Preferably, four sets of T type groove upper circular hole correspond the equal fixed mounting in position wall have the bearing, and four sets of T type piece keep away from the one end of central point and all are provided with the bull stick, and four sets of bull sticks of being close to the one end of central point extend to the inside of base through the screw hole on four sets of T type pieces respectively.
Preferably, one ends of the side walls of the four groups of rotating rods, which are close to the central point, are fixedly connected with wall surfaces at positions corresponding to the holes in the four groups of bearings in the base respectively, and rotating blocks are fixedly mounted on the wall surfaces of one sides of the four groups of rotating rods, which are far away from the central point.
Preferably, fixed blocks are fixedly mounted on the right side wall surfaces of the four groups of moving blocks, threaded holes are formed in one side wall surface, far away from the center, of each group of fixed blocks, ejector rods are arranged outside the four groups of fixed blocks, and the side wall surfaces, close to the center point, of the four groups of ejector rods are arc-shaped.
Preferably, one ends of the four groups of ejector rods close to the central point extend to the outside of the fixed block through threaded holes in the four groups of fixed blocks respectively, the ends of the four groups of ejector rods far away from the central point are fixedly provided with rotating blocks, and the ends of the four groups of ejector rods close to the central point are respectively attached to one side wall surface of the four groups of pressing plates far away from the central point.
Advantageous effects
The invention provides a clamping and positioning device for machining of special-shaped parts. The method has the following beneficial effects:
(1) this special-shaped part machining clamping positioner, place the special-shaped part in the top wall intermediate position of base, the commentaries on classics piece on the four groups bull sticks of rotation in proper order removes four groups of movable blocks to the direction that is close to the central point in proper order, a lateral wall that four groups of rubber blocks are close to the central point is laminated with the lateral wall of special-shaped part respectively, four group's ejector pins of rotation again, it is rotatory to the direction of central point around the gag lever post on a set of corresponding movable block respectively with four group's clamp plates, increase the area of contact of rubber block and special-shaped part when making the lateral wall of rubber block and special-shaped part closely laminate, the effect of fixed effect has been reached and has been improved.
(2) This special-shaped part machining clamping positioner, because the processing part is the dysmorphism, so the weight that different positions bore on base top wall is also different, places some kind of batching pieces to the inside of weight port, makes as far as possible and bears the same weight on the base top wall, when avoiding the base rotatory, the base top wall bears the different condition that leads to the base to rock of strength and takes place.
(3) This special-shaped part machining clamping positioner, the top wall of four group's fixture blocks is personally submitted the one end height that keeps away from the central point more and is lower slope form, when needs place the balancing weight to the inside of weight port, directly with the lower one end laminating of height on the bottom of balancing weight and the top wall of fixture block, the fixture block can be removed to the inside of rectangular channel on the weight port, let out sufficient space and place the balancing weight, when the balancing weight is placed and is finished, the inside spring of weight port can remove the fixture block to the direction of keeping away from the center, the top of weight port can be sealed up, the effect of easy to assemble has been reached.
Drawings
FIG. 1 is a front view of a clamping and positioning device for machining a special-shaped part according to the present invention;
FIG. 2 is a sectional view of the clamping and positioning device for machining a special-shaped part according to the invention;
FIG. 3 is a schematic view of the position of the stop lever according to the present invention;
FIG. 4 is a schematic view of the platen position of the present invention;
FIG. 5 is a schematic view showing the shapes of the fixture block, the pressing plate and the ejector pin according to the present invention.
Illustration of the drawings:
the device comprises a base 1, a weight port 2, a spring 3, a clamping block 4, a moving block 5, a bearing 6, a limiting rod 7, a pressing plate 8, a rubber block 9, a T-shaped block 10, a T-shaped groove 11, a rotating rod 12, a rotating block 13, a fixing block 14 and an ejector rod 15.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.
Example (b): as shown in fig. 1-5, a clamping and positioning device for machining a special-shaped part comprises a base 1, wherein four groups of weight holes 2 are formed in the top wall surface of the base 1, rectangular grooves are formed in the ends, close to a central point, of the side walls of the corresponding positions of the four groups of weight holes 2, springs 3 are arranged in the base 1, one ends, close to the central point, of the four groups of springs 3 are fixedly connected with one side wall surface, close to the central point, of the corresponding positions of the rectangular grooves of the four groups of weight holes 2, fixture blocks 4 are arranged in the four groups of weight holes 2, the top wall surfaces of the four groups of fixture blocks 4 are in an inclined shape, the height of the end, far away from the central point, of the side walls of the four groups of fixture blocks 4 is lower, the end, close to the center, of the four groups of springs 3 is fixedly connected with one end, far away from the central point, four groups of moving blocks 5 are in a trapezoidal shape, rectangular grooves are formed in one side wall surface, close to the four groups of the moving blocks 5, the bottom and top wall surfaces of the corresponding positions of the rectangular grooves on the four groups of moving blocks 5 are respectively provided with a circular hole, two groups of circular holes on the four groups of moving blocks 5 are respectively fixedly provided with a bearing 6, the inner parts of the four groups of moving blocks 5 are respectively provided with a limiting rod 7, the top ends and the bottom ends of the side walls of the four groups of limiting rods 7 are respectively fixedly connected with the wall surfaces of the corresponding positions of the holes on the two groups of bearings 6 in the four groups of moving blocks 5, the outer parts of the four groups of moving blocks 5 are respectively provided with a pressing plate 8, the top wall surfaces of the four groups of pressing plates 8 are respectively provided with a circular hole, the corresponding position wall surfaces of the circular holes on the four groups of pressing plates 8 are respectively fixedly connected with the side walls of the four groups of limiting rods 7, one side wall surface of the four groups of pressing plates 8 close to the central point is respectively and fixedly connected with a rubber block 9, the bottom wall surfaces of the four groups of moving blocks 5 are respectively and fixedly provided with a T-shaped block 10, the top wall surface of the base 1 is provided with four groups of T-shaped grooves 11, one side wall surface far away from the central point of the four groups of T-shaped blocks 10 is provided with a threaded hole, one side wall surface near the central point of the four groups of T-shaped grooves 11 is provided with a circular hole, the wall surfaces at the positions corresponding to the circular holes on the four groups of T-shaped grooves 11 are fixedly provided with a bearing 6, one end far away from the central point of the four groups of T-shaped blocks 10 is provided with a rotating rod 12, one end near the central point of the four groups of rotating rods 12 respectively extends into the base 1 through the threaded holes on the four groups of T-shaped blocks 10, one end near the central point of the side walls of the four groups of rotating rods 12 is respectively fixedly connected with the wall surfaces at the positions corresponding to the holes on the four groups of bearings 6 in the base 1, one side wall surface far away from the central point of the four groups of rotating rods 12 is fixedly provided with a rotating block 13, the right side wall surface on the four groups of moving blocks 5 is fixedly provided with a fixed block 14, one side wall surface far away from the central point of the four groups of fixed blocks 14 is provided with a threaded hole, and the outer part of the four groups of fixed blocks 14 is provided with a top rod 15, one side wall surface of each group of the four ejector rods 15 close to the central point is arc-shaped, one ends of the four groups of the ejector rods 15 close to the central point extend to the outside of the fixed block 14 through threaded holes in the four groups of the fixed blocks 14 respectively, the rotating blocks 13 are fixedly mounted at one ends of the four groups of the ejector rods 15 far away from the central point, and one ends of the four groups of the ejector rods 15 close to the central point are attached to one side wall surface of the four groups of the pressing plates 8 far away from the central point respectively.
The working principle of the invention is as follows:
when the special-shaped part fixing device is used, the special-shaped part is placed in the middle of the top wall surface of the base 1, the rotating blocks 13 on the four groups of rotating rods 12 are sequentially rotated to sequentially move the four groups of moving blocks 5 towards the direction close to the central point, one side wall surfaces, close to the central point, of the four groups of rubber blocks 9 are respectively attached to the side walls of the special-shaped part, then the four groups of ejector rods 15 are rotated, the four groups of pressing plates 8 are respectively rotated towards the direction of the central point around the limiting rods 7 on the corresponding group of moving blocks 5, the contact area between the rubber blocks 9 and the special-shaped part is increased while the rubber blocks 9 are tightly attached to the side walls of the special-shaped part, and the effect of improving the fixing effect is achieved.
Because the processing part is the dysmorphism, so the weight that different positions born on base 1 top wall is also different, places some kind of batching pieces to the inside of weight port 2, makes as far as possible bear the same weight on the base 1 top wall, avoids base 1 when getting up rotatoryly, and base 1 top wall bears the power difference and leads to the condition emergence that base 1 rocked.
The top wall of four group fixture blocks 4 personally submits the one end height slope form that keeps away from the central point more and less, when needs place the balancing weight to the inside of weight port 2, directly laminate the bottom of balancing weight and the lower one end of height on the top wall of fixture block 4, fixture block 4 can be to the inside removal of rectangular channel on the weight port 2, let out sufficient space and place the balancing weight, when the balancing weight is placed and is finished, the inside spring of weight port 2 can be removed fixture block 4 to the direction of keeping away from the center, the top of weight port 2 can be sealed, the effect of easy to assemble has been reached.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (4)
1. The utility model provides a dysmorphism part machining clamping positioner, includes base (1), its characterized in that: four groups of moving blocks (5) are arranged at the top of the base (1), one side wall surface of each moving block (5) close to a central point is provided with a rectangular groove, the bottom and the top wall surface of the corresponding position of the rectangular groove on each moving block (5) are provided with circular holes, two groups of circular holes on each moving block (5) are fixedly provided with bearings (6), limiting rods (7) are arranged inside each moving block (5), the outer parts of the moving blocks (5) are provided with pressing plates (8), one side wall surface of each pressing plate (8) close to the central point is fixedly connected with rubber blocks (9), the bottom wall surfaces of the moving blocks (5) are fixedly provided with T-shaped blocks (10), the top wall surface of the base (1) is provided with four groups of T-shaped grooves (11), the side walls of the T-shaped blocks (10) are respectively mutually attached to the corresponding position wall surfaces on the T-shaped grooves (11), one side wall surface far away from the central point on the four groups of T-shaped blocks (10) is provided with a threaded hole, one side wall surface near the central point on the four groups of T-shaped grooves (11) is provided with a circular hole, the wall surfaces at the positions corresponding to the circular holes on the four groups of T-shaped grooves (11) are fixedly provided with bearings (6), one end far away from the central point on the four groups of T-shaped blocks (10) is provided with a rotating rod (12), one side wall surface far away from the central point on the four groups of rotating rods (12) is fixedly provided with a rotating block (13), the right side wall surface on the four groups of moving blocks (5) is fixedly provided with a fixed block (14), one side wall surface far away from the center on the four groups of fixed blocks (14) is provided with a threaded hole, the outer part of each group of fixed blocks (14) is provided with a push rod (15), one side wall surfaces near the central point on the four groups of push rods (15) are all arc-shaped, one end near the central point on the four groups of push rods (15) extends to the outer part of the fixed blocks (14) through the threaded holes on the four groups of fixed blocks (14), one ends of the four groups of ejector rods (15) far away from the central point are fixedly provided with rotating blocks (13), and one ends of the four groups of ejector rods (15) close to the central point are respectively attached to one side wall surface of the four groups of pressing plates (8) far away from the central point;
four groups of weight holes (2) are formed in the top wall surface of the base (1), springs (3) are arranged inside the base (1), clamping blocks (4) are arranged inside the four groups of weight holes (2), the top wall surfaces of the four groups of clamping blocks (4) are inclined, the heights of the ends of the top wall surfaces of the four groups of clamping blocks are lower, the ends of the side walls of the four groups of clamping blocks (4), which are close to the center, are fixedly connected with the ends, far away from the center, of the four groups of springs (3) respectively;
rectangular grooves are formed in the ends, close to the central point, of the side walls of the four groups of weight holes (2) at the corresponding positions, and one ends, close to the central point, of the four groups of springs (3) are fixedly connected with the side wall surfaces, close to the central point, of the four groups of weight holes (2) at the corresponding positions of the rectangular grooves;
the top wall of four group fixture blocks (4) is personally submitted the one end height slope form that keeps away from the central point more and lower more, when the balancing weight is placed to the inside of weight port (2) to needs, directly with the lower one end laminating of height on the bottom of balancing weight and the top wall of fixture block (4), fixture block (4) can be removed to the inside of rectangular channel on weight port (2), let out sufficient space and place the balancing weight, when the balancing weight was placed and is accomplished, the inside spring of weight port (2) can remove fixture block (4) to the direction of keeping away from the center, the top of weight port (2) can be sealed up.
2. The special-shaped part machining, clamping and positioning device as claimed in claim 1, wherein: the top ends and the bottom ends of the side walls of the four groups of limiting rods (7) are respectively and fixedly connected with the wall surfaces of the corresponding positions of the holes in the two groups of bearings (6) in the four groups of moving blocks (5).
3. The special-shaped part machining, clamping and positioning device as claimed in claim 1, wherein: circular holes are formed in the top wall surfaces of the four groups of pressing plates (8), and the corresponding position wall surfaces of the circular holes in the four groups of pressing plates (8) are fixedly connected with the side walls of the four groups of limiting rods (7) respectively.
4. The special-shaped part machining, clamping and positioning device as claimed in claim 1, wherein: one ends of the four groups of rotating rods (12) close to the central point respectively extend into the base (1) through threaded holes in the four groups of T-shaped blocks (10), and one ends of the side walls of the four groups of rotating rods (12) close to the central point are respectively fixedly connected with the wall surfaces of positions corresponding to the holes in the four groups of bearings (6) in the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015024.6A CN112171329B (en) | 2020-09-24 | 2020-09-24 | Special-shaped part machining clamping positioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011015024.6A CN112171329B (en) | 2020-09-24 | 2020-09-24 | Special-shaped part machining clamping positioner |
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| Publication Number | Publication Date |
|---|---|
| CN112171329A CN112171329A (en) | 2021-01-05 |
| CN112171329B true CN112171329B (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011015024.6A Active CN112171329B (en) | 2020-09-24 | 2020-09-24 | Special-shaped part machining clamping positioner |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114425909B (en) * | 2021-12-28 | 2023-05-09 | 长沙建宇网印机电设备有限公司 | Screen printing clamping and positioning platform for special-shaped plane printing stock |
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| CN210550662U (en) * | 2019-09-18 | 2020-05-19 | 青岛凯合精密机械有限公司 | Multifunctional adjustable tool clamp |
| CN211414413U (en) * | 2019-12-13 | 2020-09-04 | 谷城华文汽车零部件有限公司 | Connecting rod joint shaft hole end face machining device |
| CN111604549A (en) * | 2020-06-18 | 2020-09-01 | 无锡蠡湖增压技术股份有限公司 | Device is used in processing of compressor spiral case air inlet |
Also Published As
| Publication number | Publication date |
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| CN112171329A (en) | 2021-01-05 |
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Effective date of registration: 20220112 Address after: 528211 Xiqiao Haizhou Development Zone, Nanhai District, Foshan City, Guangdong Province Applicant after: FOSHAN NANHAI CHAOHAO HARDWARE PARTS Co.,Ltd. Address before: 313000 No.400 Liji West Road, Zhili Town, Wuxing District, Huzhou City, Zhejiang Province Applicant before: Hou Shixian |
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Denomination of invention: A clamping and positioning device for machining irregular parts Effective date of registration: 20230606 Granted publication date: 20220208 Pledgee: Bank of China Limited Foshan Nanhai Xiqiao Sub-branch Pledgor: FOSHAN NANHAI CHAOHAO HARDWARE PARTS Co.,Ltd. Registration number: Y2023980042927 |