CN206550890U - A kind of strength self-centering bench vice mechanism - Google Patents
A kind of strength self-centering bench vice mechanism Download PDFInfo
- Publication number
- CN206550890U CN206550890U CN201720164138.4U CN201720164138U CN206550890U CN 206550890 U CN206550890 U CN 206550890U CN 201720164138 U CN201720164138 U CN 201720164138U CN 206550890 U CN206550890 U CN 206550890U
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- China
- Prior art keywords
- threaded area
- threaded
- moving jaw
- screw rod
- bench vice
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Abstract
The utility model discloses a kind of strength self-centering bench vice mechanism, including base, guide rail, screw rod, left moving jaw and right moving jaw, the first threaded area and the second threaded area are provided with screw rod, first threaded area is opposite with the thread rotary orientation of the second threaded area, it is the first non-threaded area on the left of first threaded area and on the right side of the second threaded area, left moving jaw and right moving jaw are disposed with clamping section from top to bottom, sliding part and threaded joints, the threaded joints of left moving jaw and the first threaded area cooperate, the threaded joints of right moving jaw and the second threaded area cooperate, sliding part cooperates with guide rail, adjusting sleeve and thrust bearing are arranged with successively from inside to outside vertically in the first non-threaded area at screw rod two ends, end surface press plate is provided with the outside of thrust bearing, end surface press plate is fixed on base, the first through hole for accommodating screw rod is provided with end surface press plate.The mode positioned by using two ends, reduces manufacture difficulty, improves positioning precision.
Description
Technical field
The utility model is related to clamp art, more particularly to a kind of strength self-centering bench vice mechanism.
Background technology
Bench vice also known as vice, are a kind of universal fixturings, and it is the random annex of milling machine, drilling machine, is generally fixed in work
Make on platform, be processed for clamping workpiece.Bench vice is generally included by screw rod, moving jaw and base, according to screw flight
The different of type are divided into unilateral positioning bench vice and self-centering bench vice again.The screw flight of unilateral positioning bench vice be it is unidirectional, by with
The moving jaw that screw rod coordinates realizes the clamping of workpiece with the regular jaw being fixed on vice body；The screw rod of self-centering bench vice includes
The oppositely oriented screw thread in two ends, by setting moving jaw respectively in two sections of threaded portions, left and right two is made in rotary screw
Moving jaw relative movement at the uniform velocity on slide, so as to realize the centering and clamping to workpiece.In the processing of workpiece, often meet
The accuracy of form and position to workpiece is processing occasion on the basis of workpiece configurations center line, it is therefore desirable to determined while clamping
The heart, self-centering bench vice is thus widely used.
In the prior art, the non-threaded regions in the middle part of the screw rod of self-centering bench vice are machined with step, screw rod by step and
The boss being arranged on base coordinates positioning.But this screw-rod structure difficulty processes high dimensional accuracy, card heat treatment is difficult to ensure
Hardness, centering precision is not high；Dust and iron filings are easily fallen between screw rod step and base when using, and are influenceed centering precision, are subtracted
Few reverse-flighted screw life-span.
Utility model content
The purpose of this utility model is to provide a kind of strength self-centering bench vice mechanism, by setting tune respectively at screw rod two ends
A whole set of, thrust bearing and end surface press plate, by the way of being positioned using two ends, are reduced manufacture difficulty, improve positioning precision.
To achieve the above object, the utility model provides following scheme：
The utility model provides a kind of strength self-centering bench vice mechanism, including base, guide rail, screw rod, left moving jaw and
The first threaded area and the second threaded area, first threaded area and second spiral shell are provided with right moving jaw, the screw rod
The thread rotary orientation in line area is described on the contrary, be the first non-threaded area on the left of first threaded area and on the right side of second threaded area
Be the second non-threaded area between first threaded area and second threaded area, the left moving jaw and the right moving jaw by
Top to bottm is disposed with clamping section, sliding part and threaded joints, the threaded joints of the left moving jaw and institute
The mutual cooperation of the first threaded area is stated, the threaded joints of the right moving jaw cooperate with second threaded area,
The sliding part and the guide rail cooperate, in the first non-threaded area at the screw rod two ends vertically from inside to outside according to
Secondary be arranged with the outside of adjusting sleeve and thrust bearing, the thrust bearing is provided with end surface press plate, and the end surface press plate is fixed on institute
State on base, the first through hole for accommodating the screw rod is provided with the end surface press plate.
Further, the guide rail is two rectangular guideways being parallel to each other and is located at the forward and backward of the sliding part respectively
Both sides, the front and rear sides of the sliding part offers the U-lag coordinated with the rectangular guideway.
Further, the front side of the base and/or rear side are provided with window, and the window is by the area between the guide rail
Domain is connected with the perimeter of the guide rail.
Further, the clamping section is triangular structure of right angle and up-small and down-big, the right-angle side of two clamping sections
It is oppositely arranged；Or the clamping section is ladder structure of right angle and up-small and down-big, the right angle waist of two clamping sections is oppositely arranged.
Further, the opposite side of two clamping sections is provided with cushion block.
Further, first threaded area and second threaded area are trapezoidal thread.
Further, the base bottom is provided with two straight pins, the base and is provided with the second through hole.
Further, it is provided with inner hexagonal hole on the end face of the screw rod.
The utility model achieves following technique effect relative to prior art：
Thrust bearing is pushed down in the utility model screw rod two ends by end surface press plate, so that screw rod end positions be fixed, matches somebody with somebody
The length of two adjusting sleeves of mill can adjust pretightning force of the end surface press plate to thrust bearing, and simple in construction, dust tightness is good, reduces
Manufacture difficulty, improves positioning precision.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the utility model strength self-centering bench vice mechanism perspective view；
Fig. 2 is the utility model strength self-centering bench vice mechanism top view；
Fig. 3 is A-A directions sectional view in Fig. 2；
Fig. 4 is B-B directions sectional view in Fig. 2；
Fig. 5 is base perspective view；
Fig. 6 is screw rod schematic diagram；
Fig. 7 is left moving jaw or right moving jaw perspective view；
Fig. 8 is end surface press plate schematic diagram；
Description of reference numerals：1st, base；2nd, guide rail；3rd, screw rod；4th, left moving jaw；5th, right moving jaw；6th, the first spiral shell
Line area；7th, the second threaded area；8th, clamping section；9th, sliding part；10th, threaded joints；11st, the first non-threaded area；12nd, second without spiral shell
Line area；13rd, adjusting sleeve；14th, thrust bearing；15th, end surface press plate；16th, first through hole；17th, cushion block；18th, straight pin；19th, second
Through hole；20th, support frame；21st, inner hexagonal hole.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
The purpose of this utility model is to provide a kind of high strength self-centering bench vice mechanism of positioning precision.
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.
As shown in figures 1-8, the utility model provides a kind of strength self-centering bench vice mechanism, including base 1, guide rail 2, screw rod
3rd, left moving jaw 4 and right moving jaw 5.The upper surface of base 1 is provided with the support frame 20 for supporting guide 2, support frame 20
On offer window, the region between support frame is communicated with the front and rear sides of support frame, facilitate iron filings and cutting fluid to discharge.
Guide rail 2 is two rectangular guideways being parallel to each other, and the upper surface of support frame 20, screw rod 3, left moving jaw are fixed on by screw
4 and right moving jaw 5 be arranged between two closed slides 2.Two the opposite side of guide rail 2 stretches out support frame 20, so as to be formed
Rectangular stub.
As shown in fig. 6, the first threaded area 6 and the second threaded area 7 are provided with screw rod 3, the first threaded area 6 and the second screw thread
Area 7 is trapezoidal thread and thread rotary orientation on the contrary, the left side of the first threaded area 6 and the right side of the second threaded area 7 are the first non-threaded area
11, it is to be provided with interior hexagonal on the second non-threaded area 12, the two ends end face of screw rod 3 between the first threaded area 6 and the second threaded area 7
Hole 21.As shown in fig. 7, left moving jaw 4 and right moving jaw 5 are disposed with clamping section 8, sliding part 9 and spiral shell from top to bottom
Line connecting portion 10.
As Figure 1-4, the threaded joints 10 of left moving jaw 4 cooperate with the first threaded area 6, right moving jaw
5 threaded joints 10 cooperate with the second threaded area 7.It is ladder structure of right angle and up-small and down-big, two clamping sections to clamp 8
8 right angle waist is oppositely arranged, it is ensured that enough clamping rigidity, it is adaptable to the self-centering processing of large-scale workpiece.Two clamping sections 8
Opposite side be provided with cushion block 17, cushion block 17 is the cushions such as rubber, for preventing part from damaging by pressure or scratching.Sliding part 9
Front and rear sides offers U-lag, and U-lag is engaged with the rectangular stub of guide rail 2, increase guide rail 2 and left moving jaw 4,
The contact area of right moving jaw 5, makes structure more stable.In the first non-threaded area 11 at the two ends of screw rod 3 vertically from inside to outside
Adjusting sleeve 13 and thrust bearing 14 are arranged with successively, and the outside of thrust bearing 14 is provided with end surface press plate 15, two adjusting sleeves of match grinding
Length can adjust pretightning force of the end surface press plate to thrust bearing.Because the precision of thrust bearing 14 is high, long lifespan, it is ensured that machine
Structure has higher centering precision, and coefficient of friction is small, rotates screw rod 3 laborsaving.
It is provided with as shown in figure 8, end surface press plate 15 is fixed on by screw on the arranged on left and right sides of base 1, end surface press plate 15
First through hole 16 for accommodating screw rod 3.Thrust bearing 14 is hidden in end surface press plate 15, it is to avoid iron filings and dust are to thrust
The pollution of bearing 14, extends service life.
As shown in Figure 3-4, the second through hole 19 is provided with base 1, the lower surface of base 1 is provided with two straight pins 18,
Positioned by two straight pins 18, be fixed by screw through the second through hole, base can be arranged at platen
Etc. any desired occasion.
The inner hexagonal hole 21 at the two ends of spanner rotary screw 3 need to be only used when using, screw rod 3 drives left activity while rotation
Jaw 4 and right moving jaw 5 move at the uniform velocity in opposite directions on guide rail 2, so as to realize the clamping and centering to workpiece.
Apply specific case in this specification to be set forth principle of the present utility model and embodiment, the above is real
The explanation for applying example is only intended to help and understands method of the present utility model and its core concept；Simultaneously for the general of this area
Technical staff, according to thought of the present utility model, will change in specific embodiments and applications.To sum up institute
State, this specification content should not be construed as to limitation of the present utility model.
Claims (8)
1. a kind of strength self-centering bench vice mechanism, it is characterised in that including base, guide rail, screw rod, left moving jaw and right activity
The first threaded area and the second threaded area, first threaded area and second threaded area are provided with jaw, the screw rod
Thread rotary orientation is on the contrary, be the first non-threaded area, first spiral shell on the left of first threaded area and on the right side of second threaded area
It is the second non-threaded area between line area and second threaded area, the left moving jaw and the right moving jaw are from top to bottom
It is disposed with clamping section, sliding part and threaded joints, the threaded joints of the left moving jaw and described first
Threaded area cooperates, and the threaded joints of the right moving jaw cooperate with second threaded area, the cunning
Dynamic portion cooperates with the guide rail, is arranged successively from inside to outside vertically in the first non-threaded area at the screw rod two ends
Have and be provided with end surface press plate on the outside of adjusting sleeve and thrust bearing, the thrust bearing, the end surface press plate is fixed on the base
On, the first through hole for accommodating the screw rod is provided with the end surface press plate.
2. strength self-centering bench vice mechanism according to claim 1, it is characterised in that the guide rail is two and is parallel to each other
Rectangular guideway and be located at the front and rear sides of the sliding part respectively, the front and rear sides of the sliding part offer with it is described
The U-lag that rectangular guideway coordinates.
3. strength self-centering bench vice mechanism according to claim 2, it is characterised in that the front side of the base and/or after
Side is provided with window, and the window connects in the region between the guide rail with the perimeter of the guide rail.
4. strength self-centering bench vice mechanism according to claim 1, it is characterised in that the clamping section is right angled triangle
Structure and up-small and down-big, the right-angle side of two clamping sections is oppositely arranged；Or the clamping section be ladder structure of right angle and on
Small lower big, the right angle waist of two clamping sections is oppositely arranged.
5. strength self-centering bench vice mechanism according to claim 1, it is characterised in that relative the one of two clamping sections
Side is provided with cushion block.
6. strength self-centering bench vice mechanism according to claim 1, it is characterised in that first threaded area and described
Two threaded areas are trapezoidal thread.
7. strength self-centering bench vice mechanism according to claim 1, it is characterised in that the base bottom is provided with two
The second through hole is provided with straight pin, the base.
8. strength self-centering bench vice mechanism according to claim 1, it is characterised in that be provided with the end face of the screw rod
Inner hexagonal hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164138.4U CN206550890U (en) | 2017-02-23 | 2017-02-23 | A kind of strength self-centering bench vice mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720164138.4U CN206550890U (en) | 2017-02-23 | 2017-02-23 | A kind of strength self-centering bench vice mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206550890U true CN206550890U (en) | 2017-10-13 |
Family
ID=60360431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720164138.4U Expired - Fee Related CN206550890U (en) | 2017-02-23 | 2017-02-23 | A kind of strength self-centering bench vice mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206550890U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803680A (en) * | 2017-11-23 | 2018-03-16 | 浙江西子航空工业有限公司 | A kind of quick-clamping system |
| CN109210321A (en) * | 2018-09-28 | 2019-01-15 | 中国科学院长春光学精密机械与物理研究所 | Drift levelling mechanism |
| CN110155644A (en) * | 2019-06-03 | 2019-08-23 | 江苏金佳铁芯有限公司 | A kind of liftable and the automatically travelling bogie of dragging material walking |
| CN111906706A (en) * | 2019-05-10 | 2020-11-10 | 东佑达自动化科技股份有限公司 | Clamping device |
| CN114986212A (en) * | 2022-06-16 | 2022-09-02 | 霍山嘉远智能制造有限公司 | Machining is with spiral self-centering bench vice closing device |
-
2017
- 2017-02-23 CN CN201720164138.4U patent/CN206550890U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107803680A (en) * | 2017-11-23 | 2018-03-16 | 浙江西子航空工业有限公司 | A kind of quick-clamping system |
| CN107803680B (en) * | 2017-11-23 | 2023-08-15 | 浙江西子势必锐航空工业有限公司 | Quick clamping system |
| CN109210321A (en) * | 2018-09-28 | 2019-01-15 | 中国科学院长春光学精密机械与物理研究所 | Drift levelling mechanism |
| CN111906706A (en) * | 2019-05-10 | 2020-11-10 | 东佑达自动化科技股份有限公司 | Clamping device |
| CN110155644A (en) * | 2019-06-03 | 2019-08-23 | 江苏金佳铁芯有限公司 | A kind of liftable and the automatically travelling bogie of dragging material walking |
| CN114986212A (en) * | 2022-06-16 | 2022-09-02 | 霍山嘉远智能制造有限公司 | Machining is with spiral self-centering bench vice closing device |
| CN114986212B (en) * | 2022-06-16 | 2023-09-12 | 霍山嘉远智能制造有限公司 | Screw self-centering bench vice compression device for machining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |