CN203831300U - Three-jaw calipers clamping device - Google Patents
Three-jaw calipers clamping device Download PDFInfo
- Publication number
- CN203831300U CN203831300U CN201420187597.0U CN201420187597U CN203831300U CN 203831300 U CN203831300 U CN 203831300U CN 201420187597 U CN201420187597 U CN 201420187597U CN 203831300 U CN203831300 U CN 203831300U
- Authority
- CN
- China
- Prior art keywords
- chuck
- clamp arm
- leading screw
- hinged
- rear end
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model discloses a three-jaw calipers clamping device. A screw rod (1) is sleeved with a nut sleeve support (2), the front end of the screw rod (1) extends into a first clamping head (7), balance arms (5) are symmetrically arrange on two sides of the first clamping head (7), clamping arms (6) are arranged between each balance arm (5) and the first clamping head (7), and each clamping arm (6) is in an involute shape. Limiting pins (8) are symmetrically arranged on two sides of the rear end of the first clamping head (7), returning supports (9) are arranged between each clamping arm (6) and the first clamping head (7), and returning springs (10) are arranged between the returning supports (9) and the first clamping head (7). The three-jaw calipers clamping device is simple in structure and convenient to operate and saves labor, parts can be clamped and positioned accurately by rotating the screw rod, the part assembly difficulty is reduced, assembly efficiency is improved, and part assembly precision is effectively guaranteed.
Description
Technical field
The utility model belongs to Assembly of the parts technical field, specifically, and particularly a kind of three-pawl type clamp clamping device.
Background technology
At present; in the installation process of some transmission mechanisms; often can run into and radially have the assembling of the axle of assembly relation; owing to there is no special-purpose instrument; on some smooth axles, be not only difficult for finding supporting-point, and also can run into the problem to tooth difficulty when gear assembles, thereby in assembling process; not only assembly manipulation is loaded down with trivial details, labour intensity is large, efficiency of assembling is low, and is difficult to reach required precision after assembling.
Utility model content
Technical problem to be solved in the utility model is to provide the three-pawl type clamp clamping device that a kind of energy is convenient for assembly, also can guarantee assembly precision.
The technical solution of the utility model is as follows: a kind of three-pawl type clamp clamping device, at the upper suit of leading screw (1) nut sleeve support (2), both threaded engagement, the front end of leading screw (1) stretches in the first chuck (7), leading screw (1) can rotate relative to the first chuck (7) original place, bilateral symmetry at described the first chuck (7) is provided with counter-jib (5), the rear end of each counter-jib (5) is articulated with on nut sleeve support (2), the outer end of the front end of one of them counter-jib (5) and the second chuck (3) is hinged, the outer end of the front end of another counter-jib (5) and the 3rd chuck (4) is hinged, between counter-jib described in each (5) and the first chuck (7), be provided with clamp arm (6), clamp arm (6) is involute shape, the rear end of each clamp arm (6) is articulated with on nut sleeve support (2), the middle part of the front end of one of them clamp arm (6) and the second chuck (3) is hinged, and the middle part of the front end of another clamp arm (6) and the 3rd chuck (4) is hinged, bilateral symmetry in described the first chuck (7) rear end is arranged on spacer pin (8), this spacer pin (8) reclines with the lateral surface of corresponding clamp arm (6), between each clamp arm (6) and the first chuck (7), be provided with return support (9), the front end of this return support (9) and the first chuck (7) are hinged, the medial surface butt of the rear end of return support (9) and corresponding clamp arm (6), and be provided with return spring (10) between described return support (9) and the first chuck (7).
Adopt above technical scheme, when the part clamping position to needs assembling, first with holding jack panel cover support, then rotating threaded shaft, leading screw is moved backward with respect to nut sleeve support, because leading screw can rotate relative to the first chuck original place, when leading screw is mobile backward, drive the first chuck to move backward thereupon, because the rear end of return support is resisted against the medial surface of clamp arm under the effect of spring, clamp arm is involute shape, and the lateral surface of clamp arm is spacing by spacer pin, like this at the first chuck backward in mobile process, the medial surface of the relative clamp arm in rear end of return support slides, the pin joint of the clamp arm that makes both sides around its rear end rotates in the opposite direction, the second chuck and the 3rd chuck open laterally with angle simultaneously, counter-jib moves together in clamp arm action, this counter-jib provides equilibrant force for clamp arm, the clamp arm on both sides is only moved in same plane, and the stationarity of motion is good, can there is not askew moving, after chuck opens, between the first chuck, the second chuck, the 3rd chuck three, form certain accommodation space, now the part of needs clamping is put into this accommodation space, rotate backward again leading screw, screw mandrel is travelled forward together with the first chuck, two clamp arms rotate towards relative direction simultaneously, until three chucks tightly block the outward flange of part, realize the clamping position to part.As can be seen here, the utility model is not only simple in structure, easy to operate, quick, laborsaving, and can assemble circle, cylindrical component or gear by the utility model, and the accuracy of part clamping position is good, has effectively guaranteed that assembling essence is high.
Described the first chuck (7) is " soil " font of accumbency, the two ends of the front crosspiece of the first chuck (7) are hinged with the front end of two return supports (9) respectively, after the first chuck (7), the two ends of crosspiece are provided with groove, in described clamp arm (6) groove that crosspiece is corresponding from the first chuck (7), pass through, at the notch mounting limit pin (8) of described groove.The first chuck moulding is simple, regular on the one hand for above structure, is easy to processing and fabricating; On the other hand, the first chuck, for return support, clamp arm and spacer pin provide rigging position, when guaranteeing that return support and clamp arm go slick, can effectively reduce the volume of whole device, makes device compacter.
Middle part in described the first chuck (7) rear end has been arranged side by side two locking square cotters (11), and locking square cotter (11) and leading screw (1) are perpendicular, and the shank of these two locking square cotters (11) is embedded in the annular groove that leading screw (1) correspondence position offers.More than arrange on the one hand and guaranteed that the first chuck and leading screw can relatively rotate, screw mandrel is rotated more flexible; On the other hand, can there is not axially (fore-and-aft direction) and move in screw mandrel and the first chuck, and the synchronism that both seesaw is good, and meanwhile, the front end of leading screw can not come off out from the first chuck.
The inner of the front end of the first chuck (7) and second, third chuck (3,4) is prong structure, and the tip of second, third chuck (3,4) the inner is towards the tip of the first chuck (7) front end.Above structure can not only be carried out clamping position by part exactly, and in clamping gear, the chuck of each chuck snaps in the backlash of gear, can prevent gear slipping or come off.
In order being more convenient for, leading screw to be rotated to operation, in the rear end of described leading screw (1), to be fixedly equipped with handle (12), this handle (12) is perpendicular with leading screw (1).
Beneficial effect: the utility model is simple in structure, easy to operate, laborsaving, by rotational lead screw, can realize part is carried out to clamping position accurately, both simplified the assembly difficulty of part, improved efficiency of assembling, effectively guaranteed again the assembly precision of part.
Accompanying drawing explanation
Fig. 1 is stereogram of the present utility model.
Fig. 2 is open mode figure of the present utility model.
Fig. 3 is closed state diagram of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, Figure 2, Figure 3 shows, in the rear end of leading screw 1, be fixedly equipped with handle 12, this handle 12 is small column structure, and perpendicular with leading screw 1.On the thread segment in leading screw 1 stage casing, be set with nut sleeve support 2, both threaded engagement, can relatively rotate.Front end at leading screw 1 arranges the first chuck 7, and this first chuck 7 is " soil " font of accumbency, and the termination of the first chuck 7 front ends is prong structure.The front end of described leading screw 1 stretches in the first chuck 7 from back to front, both matched in clearance, at the middle part of the first chuck 7 rear crosspieces, two locking square cotters 11 have been arranged side by side, locking square cotter 11 is perpendicular with leading screw 1, and the shank of these two locking square cotters 11 is embedded in the annular groove that leading screw 1 correspondence position offers, leading screw 1 can rotate relative to the first chuck 7 original places like this, and leading screw 1 and the first chuck 7 can be at fore-and-aft direction synchronizing movings.
As Fig. 1, Fig. 2, shown in Fig. 3, bilateral symmetry at described the first chuck 7 is provided with counter-jib 5, the rear end of each counter-jib 5 is articulated with on nut sleeve support 2, the outer end of the front end of one of them counter-jib 5 and the second chuck 3 is hinged, the outer end of the front end of another counter-jib 5 and the 3rd chuck 4 is hinged, described the second chuck 3 and the 3rd chuck 4 are the fold-line-shaped of 150 ° of left and right of angle, and second, the 3rd chuck 3, 4 inner termination is prong structure, second, the 3rd chuck 3, the tip of 4 the inners is towards the tip of the first chuck 7 front ends, described the first chuck 7, the second chuck 3, the 3rd chuck 4 threes' tip is uniformly distributed on circumference.
As shown in Figure 1, Figure 2, Figure 3 shows, described in each, between counter-jib 5 and the first chuck 7, be provided with 6, two clamp arms 6 of clamp arm symmetrical with respect to screw mandrel 1.Described clamp arm 6 is involute shape, and the leading portion of this clamp arm 6 is outwardly with respect to screw mandrel 1, back segment with respect to screw mandrel 1 to projecting inward.The rear end of each clamp arm 6 is articulated with on nut sleeve support 2, and the middle part of the front end of one of them clamp arm 6 and the second chuck 3 is hinged, and the middle part of the front end of another clamp arm 6 and the 3rd chuck 4 is hinged.Two ends at described the first chuck 7 rear crosspieces are provided with groove, in described clamp arm 6 groove that crosspiece is corresponding from the first chuck 7, pass through, and at the notch mounting limit pin 8 of described groove, this spacer pin 8 reclines with the lateral surface of corresponding clamp arm 6.The front end that is provided with 9, two return supports 9 of return support between each clamp arm 6 and the first chuck 7 is hinged with the two ends of the first chuck 7 front crosspieces respectively, the medial surface butt of the rear end of each return support 9 and corresponding clamp arm 6.Between described return support 9 and the first chuck 7, be provided with return spring 10, return spring 10 is in normal compressive state.
Operation principle of the present utility model is as follows:
When the part clamping position to needs assembling, first with holding jack panel cover support 2, then control crank 12 rotating threaded shafts 1, leading screw 1 is moved backward with respect to nut sleeve support 2, because leading screw 1 can rotate relative to the first chuck 7 original places, when leading screw 1 is mobile backward, drive the first chuck 7 to move backward thereupon; Because the rear end of return support 9 is resisted against the medial surface of clamp arm 6 under the effect of spring 10, clamp arm 6 is involute shape, and the lateral surface of clamp arm 6 is spacing by spacer pin 8, like this at the first chuck 7 backward in mobile process, the medial surface of the relative clamp arm 6 in rear end of return support 9 slides, the pin joint of the clamp arm 6 that makes both sides around its rear end rotates in the opposite direction, and the second chuck 3 and the 3rd chuck 4 open laterally with angle simultaneously, and counter-jib 5 rotates with clamp arm 6; After chuck opens, between the first chuck 7, the second chuck 3, the 3rd chuck 4 threes, form certain accommodation space, now the part of needs clamping is put into this accommodation space, rotate backward again leading screw 1, screw mandrel 1 is travelled forward together with the first chuck 7, two clamp arms 6 rotate towards relative direction simultaneously, until three chucks tightly block the outward flange of part, realize the clamping position to part.
Claims (5)
1. a three-pawl type clamp clamping device, it is characterized in that: at the upper suit of leading screw (1) nut sleeve support (2), both threaded engagement, the front end of leading screw (1) stretches in the first chuck (7), leading screw (1) can rotate relative to the first chuck (7) original place, bilateral symmetry at described the first chuck (7) is provided with counter-jib (5), the rear end of each counter-jib (5) is articulated with on nut sleeve support (2), the outer end of the front end of one of them counter-jib (5) and the second chuck (3) is hinged, the outer end of the front end of another counter-jib (5) and the 3rd chuck (4) is hinged, between counter-jib described in each (5) and the first chuck (7), be provided with clamp arm (6), clamp arm (6) is involute shape, the rear end of each clamp arm (6) is articulated with on nut sleeve support (2), the middle part of the front end of one of them clamp arm (6) and the second chuck (3) is hinged, and the middle part of the front end of another clamp arm (6) and the 3rd chuck (4) is hinged, bilateral symmetry in described the first chuck (7) rear end is arranged on spacer pin (8), this spacer pin (8) reclines with the lateral surface of corresponding clamp arm (6), between each clamp arm (6) and the first chuck (7), be provided with return support (9), the front end of this return support (9) and the first chuck (7) are hinged, the medial surface butt of the rear end of return support (9) and corresponding clamp arm (6), and be provided with return spring (10) between described return support (9) and the first chuck (7).
2. three-pawl type clamp clamping device according to claim 1, it is characterized in that: described the first chuck (7) is " soil " font of accumbency, the two ends of the front crosspiece of the first chuck (7) are hinged with the front end of two return supports (9) respectively, after the first chuck (7), the two ends of crosspiece are provided with groove, in described clamp arm (6) groove that crosspiece is corresponding from the first chuck (7), pass through, at the notch mounting limit pin (8) of described groove.
3. three-pawl type clamp clamping device according to claim 1 and 2, it is characterized in that: the middle part in described the first chuck (7) rear end has been arranged side by side two locking square cotters (11), locking square cotter (11) and leading screw (1) are perpendicular, and the shank of these two locking square cotters (11) is embedded in the annular groove that leading screw (1) correspondence position offers.
4. three-pawl type clamp clamping device according to claim 2, it is characterized in that: the inner of the front end of the first chuck (7) and second, third chuck (3,4) is prong structure, and the tip of second, third chuck (3,4) the inner is towards the tip of the first chuck (7) front end.
5. three-pawl type clamp clamping device according to claim 1, is characterized in that: in the rear end of described leading screw (1), be fixedly equipped with handle (12), this handle (12) is perpendicular with leading screw (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187597.0U CN203831300U (en) | 2014-04-16 | 2014-04-16 | Three-jaw calipers clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187597.0U CN203831300U (en) | 2014-04-16 | 2014-04-16 | Three-jaw calipers clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203831300U true CN203831300U (en) | 2014-09-17 |
Family
ID=51509188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420187597.0U Withdrawn - After Issue CN203831300U (en) | 2014-04-16 | 2014-04-16 | Three-jaw calipers clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203831300U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921238A (en) * | 2014-04-16 | 2014-07-16 | 力帆实业(集团)股份有限公司 | Three-jaw clamp |
| CN105328281A (en) * | 2015-11-30 | 2016-02-17 | 重庆市首业机械制造有限公司 | Clamping mechanism provided with lead screw and reset tension springs |
| CN105345158A (en) * | 2015-11-28 | 2016-02-24 | 重庆市首业机械制造有限公司 | Clamping tool with screw rod and reset torsion springs |
| CN105414677A (en) * | 2015-11-30 | 2016-03-23 | 重庆市首业机械制造有限公司 | Clamping mechanism with lead screw and reset magnets |
| CN107718188A (en) * | 2017-09-30 | 2018-02-23 | 台山市东扩钢构有限公司 | A kind of simple splicing board tooling with electromagnet |
| CN110994507A (en) * | 2019-11-19 | 2020-04-10 | 承庚机械科技(上海)有限公司 | Make things convenient for cable retaining member of dismouting |
| CN113605441A (en) * | 2021-08-10 | 2021-11-05 | 中交二公局第六工程有限公司 | Reinforced retaining wall and construction method |
-
2014
- 2014-04-16 CN CN201420187597.0U patent/CN203831300U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103921238A (en) * | 2014-04-16 | 2014-07-16 | 力帆实业(集团)股份有限公司 | Three-jaw clamp |
| CN103921238B (en) * | 2014-04-16 | 2015-09-30 | 力帆实业(集团)股份有限公司 | Three-jaw clamp |
| CN105345158A (en) * | 2015-11-28 | 2016-02-24 | 重庆市首业机械制造有限公司 | Clamping tool with screw rod and reset torsion springs |
| CN105328281A (en) * | 2015-11-30 | 2016-02-17 | 重庆市首业机械制造有限公司 | Clamping mechanism provided with lead screw and reset tension springs |
| CN105414677A (en) * | 2015-11-30 | 2016-03-23 | 重庆市首业机械制造有限公司 | Clamping mechanism with lead screw and reset magnets |
| CN107718188A (en) * | 2017-09-30 | 2018-02-23 | 台山市东扩钢构有限公司 | A kind of simple splicing board tooling with electromagnet |
| CN110994507A (en) * | 2019-11-19 | 2020-04-10 | 承庚机械科技(上海)有限公司 | Make things convenient for cable retaining member of dismouting |
| CN113605441A (en) * | 2021-08-10 | 2021-11-05 | 中交二公局第六工程有限公司 | Reinforced retaining wall and construction method |
| CN113605441B (en) * | 2021-08-10 | 2022-10-04 | 中交二公局第六工程有限公司 | Reinforced retaining wall and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203831300U (en) | Three-jaw calipers clamping device | |
| CN203330739U (en) | Connecting rod type centering and clamping device | |
| CN203818136U (en) | Three-degree-of-freedom high-speed parallel-connection robot | |
| CN103921238B (en) | Three-jaw clamp | |
| CN204321646U (en) | The clamping device of cylindrical parts | |
| CN204487116U (en) | A kind of horizontal press | |
| CN209427718U (en) | A kind of quick disassembled clamping device | |
| CN203316743U (en) | Live center capable of performing axial motion | |
| CN105313121A (en) | Self-adaptive clamping manipulator for disc parts | |
| CN203928318U (en) | Air conditioning for automobiles bulb connection for transmission device | |
| CN105563177A (en) | Rhombic clamp | |
| CN106736769B (en) | A kind of optical sight objective end processing automatic clamping device | |
| CN203863386U (en) | Clamping workpiece used for numerical control lathe | |
| CN105108742B (en) | Decoupling type two-translation one-rotation parallel robot | |
| CN204021172U (en) | A kind of axis being applicable to bicycle | |
| CN204397092U (en) | A kind of internal-expansion type clamping device | |
| CN104014830A (en) | Automatic turning pipe clamp chuck device | |
| CN103624566A (en) | Centering mechanism | |
| CN203585204U (en) | Flywheel mandrel fixing mechanism | |
| CN104730269A (en) | Tip head withdraw lever device | |
| CN105415170A (en) | Feeding device for valve rod end face grinding machine | |
| CN203901226U (en) | Device for realizing clamping between clamp spring and motor shaft | |
| CN103912566A (en) | Spline assembly centring guiding structure and processing method thereof | |
| CN203679127U (en) | Barb machining device | |
| CN104858860B (en) | Parallel mechanism with two translation and one rotation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140917 Effective date of abandoning: 20150930 |
|
| RGAV | Abandon patent right to avoid regrant |