CN105690170A - Three-claw clamp - Google Patents
Three-claw clamp Download PDFInfo
- Publication number
- CN105690170A CN105690170A CN201610280777.7A CN201610280777A CN105690170A CN 105690170 A CN105690170 A CN 105690170A CN 201610280777 A CN201610280777 A CN 201610280777A CN 105690170 A CN105690170 A CN 105690170A
- Authority
- CN
- China
- Prior art keywords
- linkage section
- cylinder
- fixed disk
- chuck
- installing hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
- B23Q7/04—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting by means of grippers
- B23Q7/043—Construction of the grippers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The invention discloses a three-claw clamp which comprises a chuck and three clamping claws, wherein the three clamping claws are uniformly mounted on the chuck; one side of each of the three clamping claws is movably mounted on the chuck through a hinge piece; the other sides of the three clamping claws are mounted on a fixing disk through double-head studs; a cylinder is mounted on the fixing disk, and a cylinder rod is mounted in the cylinder and penetrates through the cylinder so as to be connected with the chuck through a hex nut; a protection cover is mounted on the outer side of the cylinder, and a threaded shank is mounted at the upper end of the cylinder; elastic antiskid pads are mounted on the clamping claws. The three-claw clamp provided by the invention is simple in structure and convenient to use; the clamping claws are mounted on the chuck and the fixing disk through the double-head studs and are convenient to remove and mount; the elastic antiskid pads are arranged on the clamping claws, so that micro deformation of a clamped piece in a clamping process can be prevented, and the product yield of the clamped piece is increased.
Description
Technical field
The present invention relates to clamp structure technical field, particularly relate to a kind of Three-jaw fixture。
Background technology
Progress along with science and technology, in process of production, especially when working environment is more severe, dangerous, manual operation is replaced to have become as a kind of inexorable trend by mechanical hand, mechanical hand replaces manual operation, both ensure that personal safety, it is also possible to improve work efficiency, it is to avoid the damage that manual operation error causes。
Three-jaw fixture is the most general a kind of fixture of the machining various part of clamping, and this fixture is easy to use, is widely used, and standardization already manufactures。The Three-jaw fixture of prior art includes a chuck and three jaws, and three described jaws are uniformly mounted on chuck。During use, be applied on three jaws by mechanical force so that the reciprocating motion crossing the chuck center of circle of three jaws and realize the clamping of held part and loosen。The Three-jaw fixture of said structure has the disadvantage that 1, three jaws directly contact with held part in clamping process in actual use procedure, and both to belong to be rigidly connected, therefore very easily wear and tear three jaws in large batch of production process, thus the problem that clamping loosens or clip position offsets occurs, if changing three jaws, then can bring again the increase in use cost；2, jaw is after reaching service life, not easily removes and installs；3, after using the clamping of present Three-jaw fixture, held part can produce micro-deformation, and it is fine that held part adds man-hour its circularity, but once unload held part, the held part processed can produce rebound phenomenon because of elastic deformation, and circularity just produces change, thus there is the bad problem of circularity。
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of Three-jaw fixture。
The present invention is achieved through the following technical solutions:
A kind of Three-jaw fixture, including a chuck and three jaws, three described jaws are uniformly mounted on described chuck, the side of three described jaws is movably arranged on chuck by articulated elements, the opposite side of three described jaws is arranged on fixed disk by studs, described fixed disk is provided with cylinder, and in described cylinder, cylinder rod is installed, described cylinder rod is connected through cylinder and by hex nut with chuck, in the outside of described cylinder, protective cover is installed, and in the upper end of cylinder, thread handle is installed, described jaw is provided with elastic anti-slip pad。
Further, described chuck includes a polygon plate body, wherein three sides of polygon plate body are separately installed with the first hinged ear, the second hinged ear and the 3rd hinged ear, and the first hinged ear, the second hinged ear and the 3rd hinged ear size are identical, first hinged ear, the second hinged ear and the 3rd hinged ear all offer installing hole A, and runs through in the centre position of described polygon plate body and offer a through hole。
Further, described jaw is by the first linkage section, second linkage section, 3rd linkage section, 4th linkage section is constituted, described first linkage section, second linkage section, 3rd linkage section and the 4th one-body molded setting of linkage section, end opens at described first linkage section has installing hole B, and offer installing hole C in the junction of described first linkage section and the second linkage section, and at described first linkage section, the end face of the second linkage section and the 3rd linkage section offers groove, elastic anti-slip pad is installed in a groove, the surface of described elastic anti-slip pad protrudes from the first linkage section, the end face of the second linkage section and the 3rd linkage section。
Further, described articulated elements entirety is rectangular structure, and on articulated elements, offer rectangular channel, the side of rectangular channel communicates with the outside of articulated elements, and offer installing hole D in the side of articulated elements, opposite side at articulated elements offers installing hole E, and the side near installing hole D is provided with fillet, and the side near installing hole E is provided with chamfering。
Further, described fixed disk is regular hexagon structure, a through hole is offered along its centerline direction in the centre position of described fixed disk, and top edge and the lower edge of described fixed disk is provided with fillet, the lower surface of described fixed disk is evenly arranged with three hinged lugs, respectively the first hinged lug, the second hinged lug and the 3rd hinged lug, and offer installing hole F on each hinged lug, described fixed disk offers four bolts hole。
Further, described cylinder includes cylinder block and is opened in four screwed holes below described cylinder block, when mounted, by bolt through four bolts hole on fixed disk and four screwed holes below cylinder block, thus cylinder being arranged on described fixed disk upper surface。
Further, described cylinder rod being provided with piston, described piston is positioned at cylinder block, and the internal cavities along cylinder block slides, thus driving cylinder rod to move up and down；Described cylinder rod is three-stage structure, and the outer surface of most end section is provided with screw thread。
After adopting technique scheme, present invention have the advantage that Three-jaw fixture simple in construction provided by the invention, easy to use, jaw is arranged on chuck and fixed disk by studs, it is simple to remove and install；By being provided with elastic anti-slip pad on jaw, it is possible to prevent held part from producing Light deformation in clamping process, improve the product yield of held part。
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of the present invention；
Fig. 2 is the structural representation removing protective cover of the present invention；
Fig. 3 is the top view of the present invention；
Fig. 4 is the upward view of the present invention；
Fig. 5 is the front view of the present invention；
Fig. 6 is the structural representation of chuck in the present invention；
Fig. 7 is the structural representation of jaw in the present invention；
Fig. 8 is the structural representation of articulated elements in the present invention；
Fig. 9 is the structural representation of fixed disk in the present invention；
Figure 10 is the structural representation of cylinder in the present invention；
Figure 11 is the structural representation of cylinder rod in the present invention；
Figure 12 is state diagram during jaw maximum open in the present invention；
Figure 13 is state diagram during jaw minimal openings in the present invention。
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated。
As Figure 1-Figure 5, including a chuck 1 and three jaws 2, three described jaws 2 are uniformly mounted on described chuck 1, the side of three described jaws 2 is movably arranged on chuck 1 by articulated elements 3, the opposite side of three described jaws 2 is arranged on fixed disk 5 by studs 4, described fixed disk 5 is provided with cylinder 6, and in described cylinder 6, cylinder rod 7 is installed, described cylinder rod 7 is connected through cylinder 6 and by hex nut 8 with chuck 1, in the outside of described cylinder 6, protective cover 9 is installed, and in the upper end of cylinder 6, thread handle 10 is installed。
As shown in Figure 6, described chuck 1 includes a polygon plate body 11, and in the present embodiment, this polygon plate body 11 is hexagon。Wherein three sides of polygon plate body 11 are separately installed with first hinged ear the 12, second hinged ear 13 and the 3rd hinged ear 14, and side, one, interval between described first hinged ear 12 and the second hinged ear 13, side, one, interval between second hinged ear 13 and the 3rd hinged ear 14, side, one, interval between the first hinged ear 12 and the 3rd hinged ear 14。And first hinged ear the 12, second hinged ear 13 and the 3rd hinged ear 14 size identical, first hinged ear the 12, second hinged ear 13 and the 3rd hinged ear 14 all offer installing hole A15。And run through in the centre position of described polygon plate body 11 and to offer a through hole 16。
As it is shown in fig. 7, described jaw 2 is made up of first linkage section the 21, second linkage section the 22, the 3rd linkage section the 23, the 4th linkage section 24, described first linkage section the 21, second linkage section the 22, the 3rd linkage section 23 and the 4th one-body molded setting of linkage section 24。End opens at described first linkage section 21 has installing hole B25, and offers installing hole C26 in the junction of described first linkage section 21 and the second linkage section 22。And offer groove on the end face of described first linkage section the 21, second linkage section 22 and the 3rd linkage section 23, being provided with elastic anti-slip pad 27 in a groove, the surface of described elastic anti-slip pad 27 protrudes from the end face of first linkage section the 21, second linkage section 22 and the 3rd linkage section 23。
As shown in Figure 8, described articulated elements 3 is overall in rectangular structure, and offers rectangular channel 31 on articulated elements 3, and the side of rectangular channel 31 communicates with the outside of articulated elements 3, and offering installing hole D32 in the side of articulated elements 3, the opposite side at articulated elements 3 offers installing hole E33。Side near installing hole D32 is provided with fillet 34, the side near installing hole E33 is provided with chamfering 35。
As shown in Figure 9, described fixed disk 5 is regular hexagon structure, a through hole 51 is offered along its centerline direction in the centre position of described fixed disk 5, and top edge and the lower edge of described fixed disk 5 is provided with fillet, the lower surface of described fixed disk 5 is evenly arranged with three hinged lugs, respectively first hinged lug the 52, second hinged lug 53 and the 3rd hinged lug 54, and offer installing hole F55 on each hinged lug, described fixed disk 5 offers four bolts hole 56。
As shown in Fig. 6-Fig. 9, when mounted, by studs 4 through the installing hole F55 on hinged lug and the installing hole B25 on jaw 2, thus one end of jaw 2 is arranged on the hinged lug of fixed disk 5。When mounted, by the installing hole A15 on hinged ear on studs 4 traverse the chuck 1 and installing hole D32 on articulated elements 3, thus articulated elements 3 is movably arranged on chuck 1, and by studs 4 through installing hole E33 on the articulated elements 3 and installing hole C26 on jaw 2, thus jaw 2 is flexibly connected with articulated elements 3。And at the two ends of described studs 4, serrated nut 41 is installed。
As shown in Figure 10, described cylinder 6 includes cylinder block 61 and is opened in four screwed holes 62 below described cylinder block 61, when mounted, by bolt through four bolts hole 56 on fixed disk 5 and four screwed holes 62 below cylinder block 61, thus cylinder 6 being arranged on described fixed disk 5 upper surface。
As shown in figure 11, described cylinder rod 7 being provided with piston 71, described piston 71 is positioned at cylinder block 61, and the internal cavities along cylinder block 61 slides, thus driving cylinder rod 7 to move up and down。Described cylinder rod 7 is three-stage structure, and the outer surface of most end section is provided with screw thread。When mounted, by two hex nuts 8 by cylinder rod 7 through the through hole 16 in the middle of chuck 1, thus cylinder rod 7 and chuck 1 are installed together。
As shown in Figure 12 and Figure 13, in use, by the effect of cylinder 6, cylinder rod 7 moves downward the present invention, thus driving chuck 1 to move downward, under the effect of chuck 1 and articulated elements 3, thus driving three jaws 2 to move, carries out capturing the process operations of held part。
So far, the use procedure of the Three-jaw fixture of the present invention is described。
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those skilled in the art are in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention。Therefore, protection scope of the present invention should be as the criterion with described scope of the claims。
Claims (7)
1. a Three-jaw fixture, including a chuck (1) and three jaws (2), three described jaws (2) are uniformly mounted on described chuck (1), it is characterized in that: the side of three described jaws (2) is movably arranged on chuck (1) by articulated elements (3), the opposite side of three described jaws (2) is arranged on fixed disk (5) by studs (4), described fixed disk (5) is provided with cylinder (6), and cylinder rod (7) is installed in described cylinder (6), described cylinder rod (7) is connected through cylinder (6) and by hex nut (8) with chuck (1), in the outside of described cylinder (6), protective cover (9) is installed, and in the upper end of cylinder (6), thread handle (10) is installed；Described jaw (2) is provided with elastic anti-slip pad (27)。
2. a kind of Three-jaw fixture according to claim 1, it is characterized in that: described chuck (1) includes a polygon plate body (11), wherein three sides of polygon plate body (11) are separately installed with the first hinged ear (12), second hinged ear (13) and the 3rd hinged ear (14), and the first hinged ear (12), second hinged ear (13) and the 3rd hinged ear (14) size are identical, at the first hinged ear (12), second hinged ear (13) and the 3rd hinged ear (14) all offer installing hole A (15), and run through in the centre position of described polygon plate body (11) and to offer a through hole (16)。
3. a kind of Three-jaw fixture according to claim 2, it is characterized in that: described jaw (2) is by the first linkage section (21), second linkage section (22), 3rd linkage section (23), 4th linkage section (24) is constituted, described first linkage section (21), second linkage section (22), 3rd linkage section (23) and the 4th linkage section (24) one-body molded setting, end opens described first linkage section (21) has installing hole B (25), and offer installing hole C (26) in the junction of described first linkage section (21) and the second linkage section (22), and described first linkage section (21), the end face of the second linkage section (22) and the 3rd linkage section (23) offers groove, elastic anti-slip pad (27) is installed in a groove, the surface of described elastic anti-slip pad (27) protrudes from the first linkage section (21), the end face of the second linkage section (22) and the 3rd linkage section (23)。
4. a kind of Three-jaw fixture according to claim 3, it is characterized in that: described articulated elements (3) is overall in rectangular structure, and on articulated elements (3), offer rectangular channel (31), the side of rectangular channel (31) communicates with the outside of articulated elements (3), and offer installing hole D (32) in the side of articulated elements (3), opposite side at articulated elements (3) offers installing hole E (33), side near installing hole D (32) is provided with fillet (34), side near installing hole E (33) is provided with chamfering (35)。
5. a kind of Three-jaw fixture according to claim 4, it is characterized in that: described fixed disk (5) is regular hexagon structure, a through hole (51) is offered along its centerline direction in the centre position of described fixed disk (5), and top edge and the lower edge of described fixed disk (5) is provided with fillet, the lower surface of described fixed disk (5) is evenly arranged with three hinged lugs, respectively the first hinged lug (52), second hinged lug (53) and the 3rd hinged lug (54), and on each hinged lug, offer installing hole F (55), described fixed disk (5) offers four bolts hole (56)。
6. a kind of Three-jaw fixture according to claim 5, it is characterized in that: described cylinder (6) includes cylinder block (61) and is opened in four screwed holes (62) of described cylinder block (61) lower section, when mounted, by bolt through four bolts hole (56) on fixed disk (5) and four screwed holes (62) below cylinder block (61), thus cylinder (6) being arranged on described fixed disk (5) upper surface。
7. a kind of Three-jaw fixture according to claim 6, it is characterized in that: described cylinder rod (7) is provided with piston (71), described piston (71) is positioned at cylinder block (61), internal cavities along cylinder block (61) slides, thus driving cylinder rod (7) to move up and down；Described cylinder rod (7) is three-stage structure, and the outer surface of most end section is provided with screw thread。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280777.7A CN105690170A (en) | 2016-04-28 | 2016-04-28 | Three-claw clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610280777.7A CN105690170A (en) | 2016-04-28 | 2016-04-28 | Three-claw clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105690170A true CN105690170A (en) | 2016-06-22 |
Family
ID=56217786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610280777.7A Pending CN105690170A (en) | 2016-04-28 | 2016-04-28 | Three-claw clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105690170A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107214730A (en) * | 2017-07-28 | 2017-09-29 | 中国科学院沈阳自动化研究所 | Cylinder transshipment acitivity |
| CN107253155A (en) * | 2017-07-25 | 2017-10-17 | 广州松兴电气股份有限公司 | A kind of hand screw type clamping device |
| CN107855819A (en) * | 2017-09-27 | 2018-03-30 | 宁波品上精密机床有限公司 | A kind of rotary grasping device for bar processing |
| CN108608327A (en) * | 2018-06-27 | 2018-10-02 | 安东石油技术（集团）有限公司 | Clamping-rotating device |
| CN108747737A (en) * | 2018-06-14 | 2018-11-06 | 安东石油技术（集团）有限公司 | Abrasive belt grinding machine |
| CN109366525A (en) * | 2018-12-13 | 2019-02-22 | 徐州蓝湖信息科技有限公司 | Intelligent logistics modularization transmits the embedded replacer of edges of boards mouth |
| CN110842967A (en) * | 2019-11-29 | 2020-02-28 | 勃肯特(镇江)机器人技术有限公司 | Motor cylinder clamping jaw mechanism based on parallel movable disc |
| CN111331415A (en) * | 2020-04-28 | 2020-06-26 | 海德曼（上海）自动化技术有限公司 | Floating paw |
| CN112621274A (en) * | 2020-12-28 | 2021-04-09 | 合肥市远大轴承锻造有限公司 | Clamping tool for machining large-size bearing ring |
| CN114800309A (en) * | 2022-03-29 | 2022-07-29 | 安徽工业大学 | Guide pin dust cover clamping detection device |
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| CN101973036A (en) * | 2010-10-21 | 2011-02-16 | 赵东辉 | Three-jaw grip device |
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| CN103273341A (en) * | 2013-06-20 | 2013-09-04 | 江苏三志电器有限公司 | Four-jaw linkage clamping mechanism |
| CN203557396U (en) * | 2013-09-18 | 2014-04-23 | 中国电器科学研究院有限公司 | Mechanical paw |
| CN104985606A (en) * | 2015-07-27 | 2015-10-21 | 苏州卫生职业技术学院 | Four-claw linkage type gas claw |
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Patent Citations (6)
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| CN101973036A (en) * | 2010-10-21 | 2011-02-16 | 赵东辉 | Three-jaw grip device |
| CN202967884U (en) * | 2012-12-05 | 2013-06-05 | 嘉兴顺联橡塑机械有限公司 | Four-claw fixture device |
| CN203045736U (en) * | 2013-02-19 | 2013-07-10 | 中山火炬职业技术学院 | Three-claw manipulator |
| CN103273341A (en) * | 2013-06-20 | 2013-09-04 | 江苏三志电器有限公司 | Four-jaw linkage clamping mechanism |
| CN203557396U (en) * | 2013-09-18 | 2014-04-23 | 中国电器科学研究院有限公司 | Mechanical paw |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253155A (en) * | 2017-07-25 | 2017-10-17 | 广州松兴电气股份有限公司 | A kind of hand screw type clamping device |
| CN107214730A (en) * | 2017-07-28 | 2017-09-29 | 中国科学院沈阳自动化研究所 | Cylinder transshipment acitivity |
| CN107855819A (en) * | 2017-09-27 | 2018-03-30 | 宁波品上精密机床有限公司 | A kind of rotary grasping device for bar processing |
| CN108747737A (en) * | 2018-06-14 | 2018-11-06 | 安东石油技术（集团）有限公司 | Abrasive belt grinding machine |
| CN108608327A (en) * | 2018-06-27 | 2018-10-02 | 安东石油技术（集团）有限公司 | Clamping-rotating device |
| CN109366525A (en) * | 2018-12-13 | 2019-02-22 | 徐州蓝湖信息科技有限公司 | Intelligent logistics modularization transmits the embedded replacer of edges of boards mouth |
| CN110842967A (en) * | 2019-11-29 | 2020-02-28 | 勃肯特(镇江)机器人技术有限公司 | Motor cylinder clamping jaw mechanism based on parallel movable disc |
| CN111331415A (en) * | 2020-04-28 | 2020-06-26 | 海德曼（上海）自动化技术有限公司 | Floating paw |
| CN112621274A (en) * | 2020-12-28 | 2021-04-09 | 合肥市远大轴承锻造有限公司 | Clamping tool for machining large-size bearing ring |
| CN112621274B (en) * | 2020-12-28 | 2022-03-04 | 合肥市远大轴承锻造有限公司 | Clamping tool for machining large-size bearing ring |
| CN114800309A (en) * | 2022-03-29 | 2022-07-29 | 安徽工业大学 | Guide pin dust cover clamping detection device |
| CN114800309B (en) * | 2022-03-29 | 2024-02-06 | 安徽工业大学 | Guide pin dust cover clamping detection device |
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Application publication date: 20160622 |