CN105458916A - Inner clamping clamp for casing pipe - Google Patents
Inner clamping clamp for casing pipe Download PDFInfo
- Publication number
- CN105458916A CN105458916A CN201510879754.3A CN201510879754A CN105458916A CN 105458916 A CN105458916 A CN 105458916A CN 201510879754 A CN201510879754 A CN 201510879754A CN 105458916 A CN105458916 A CN 105458916A
- Authority
- CN
- China
- Prior art keywords
- jaw
- screw rod
- pedestal
- pressure screw
- top pressure
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses an inner clamping clamp for a casing pipe and relates to an inner clamping clamp. The inner clamping clamp for the casing pipe comprises a base, clamping jaws, a jacking screw and jacking steel balls. The base is cylindrical, three sliding grooves are evenly distributed in the base in the radial direction, and a threaded hole is formed in the center of the base. The clamping jaws are installed in the sliding grooves in a sliding manner and the ends, facing the threaded hole, of the clamping jaws are provided with wedge faces. The upper plane of each clamping jaw is provided with a limiting groove, and limiting screws are inserted in the limiting grooves and screwed to the base. The jacking screw is a stepped shaft, the upper end of the jacking screw is larger than the lower end, the large end of the jacking screw is provided with an external thread matched with the threaded hole in the center of the base, and the jacking screw is screwed into the threaded hole of the base. The jacking steel balls are arranged between the large end of the jacking screw and the clamping jaws. By the adoption of the inner clamping clamp, the casing pipe can be clamped from the interior of the casing pipe.
Description
Technical field
The present invention relates to a kind of inner clamps clamper, particularly relate to a kind of inner clamps clamper of sleeve pipe.
Background technology
Some cover tubing workpiece all can be run in a lot of auto parts machineries, the inner ring outer ring of such as bearing, the lining be also widely used, lining is a kind of wearing piece, in moving component, the wearing and tearing of part are caused because of long-term friction, must renewal part when the gap in axle and hole may wear to a certain degree time, therefore select that hardness is lower, the good material of wearability is axle sleeve or lining, the wearing and tearing of axle and seat can be reduced like this, when axle sleeve or liner wear are changed to a certain extent, the cost because changing axle or seat can be saved like this.In order to make lining reduce wearing and tearing as much as possible to axle and hole, just need to carry out grinding to inside and outside lining, to make the roughness of sleeve surface less; When carrying out grinding to the outer surface of lining, because fixture is the periphery of clamping lining, so normally carry out grinding respectively from the two ends of lining, therefore make the grinding efficiency of lining periphery not high, and middle joint have the vestige of docking.
Summary of the invention
The invention is intended to the inner clamps clamper that a kind of sleeve pipe is provided, with the inside from sleeve pipe, sleeve pipe is clamped.
The inner clamps clamper of base case sleeve pipe of the present invention, comprises pedestal, jaw, top pressure screw rod; Also comprise top pressing steel balls; Described pedestal is cylindric, and the lower end of pedestal has limit convex edge, and the radial direction of pedestal is evenly distributed with at least three chutes, and base central is provided with a screwed hole; Described jaw is slidably mounted in chute, and jaw is provided with the cammed surface being partial to top towards screw thread nose end; The upper plane of described jaw is also provided with a stopper slot, and has stop screw and be inserted in stopper slot, described stop screw is screwed on described pedestal; Described top pressure screw rod is multidiameter, and the upper end of top pressure screw rod is large end, lower end is small end, and the large end of top pressure screw rod is provided with the external screw thread closed with the corresponding threaded holes of described base central, pushes up pressure screw rod and is screwed in the screwed hole of pedestal; Between the large end that top pressing steel balls is arranged on described top pressure screw rod and described jaw.
In this base case, can by welding handle on the pressure screw rod of top, or rotate top pressure screw rod by spanner, rotate top pressure screw rod, top pressure screw rod can move up and down relative to pedestal, when pushing up pressure screw rod and moving down, top pressure screw rod can extrude top pressing steel balls, extruding force is delivered in the cammed surface of jaw by the meeting of simultaneously pushing up pressing steel balls, thus jaw is outwards slided, just can from the inside of workpiece by Workpiece clamping with this.Rotating top pressure screw rod makes top press screw rod to move up relative to pedestal, and top pressing steel balls will reduce gradually to the extruding of jaw, finally unclamp workpiece.
In the present invention, the limit convex of pedestal lower end is along the effect had workpiece, and limit convex is along also can be used for fixing this fixture simultaneously.And jaw is at least three, can make the clamping force of workpiece evenly, thus make the clamping of workpiece more stable.Coordinating of limit sliding chutes on jaw and stop screw can make this fixture when non-clamping work pieces, and jaw can not be deviate from from chute.The small end of top pressure screw rod has the effect spacing to top pressing steel balls, if the end diameter of top pressure screw rod changes, just need the diameter changing top pressing steel balls, thus can by the end diameter of top pressure screw rod with push up pressing steel balls diameter mate the size controlling this fixture, thus make the size of this fixture not too large.When pushing up pressure bolt rotary, top pressing steel balls also can rotate, thus make between top pressure screw rod and top pressing steel balls, the wearing and tearing of pushing up between pressing steel balls and jaw reduce greatly.
By this base case, just can clamp workpiece from the inside of workpiece, thus make can once carry out when carrying out grinding to sleeve pipe, and can grinding efficiency be improved.
Preferred version one, as the further optimization to base case, pressure screw rod upper end, described top is provided with interior hexagonal; Because the size of top pressure screw rod is comparatively large, so it is comparatively suitable to arrange interior hexagonal.
Preferred version two, as the further optimization to base case, the cross section of the bare terminal end of described jaw is the V-shaped caved inward; The cross section of bare terminal end is the V-shaped caved inward, the bare terminal end of jaw is made to form two edges of a knife, thus make the contact area of jaw and workpiece less, then the deformation of jaw surfaces is larger, with this jaw and absorption surface tightr, thus the frictional force between jaw and workpiece is increased, therefore the more favourable workpiece that prevents rotates.
Preferred version three, as the further optimization to base case, extension spring is provided with in the stopper slot of described jaw, the two ends of extension spring are hung on described stop screw and described stopper slot sidewall, arrange this extension spring jaw can be made to unclamp workpiece rear clip-claw can be fully retracted in chute, thus to make to load workpiece convenient next time.
Accompanying drawing explanation
Fig. 1 is the structural representation of the inner clamps clamper embodiment of sleeve pipe;
Fig. 2 is the part sectioned view of the inner clamps clamper embodiment of sleeve pipe.
Detailed description of the invention
Below by detailed description of the invention, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: pedestal 1, jaw 2, top pressure screw rod 3, stop screw 4, workpiece 5, top pressing steel balls 6, screwed hole 11, limit convex along 12, stopper slot 21, cammed surface 22, interior hexagonal 31, extension spring 41.
Embodiment is substantially as shown in accompanying drawing 1, Fig. 2: the inner clamps clamper of sleeve pipe comprises pedestal 1, jaw 2, top pressure screw rod 3 and top pressing steel balls 6.Wherein pedestal 1 is cylindric, and the lower end of pedestal 1 has limit convex along 12, and the radial direction of pedestal 1 is evenly distributed with three chutes, and pedestal 1 center is provided with a screwed hole 11; As shown in the figure, jaw 2 is arranged in the chute on pedestal 1, and jaw 2 can slide in chute; Jaw 2 is provided with the cammed surface 22 being partial to top towards screwed hole 11 end; And jaw 2 is the bare terminal end of jaw 2 towards outer end, the cross section of the bare terminal end of jaw 2 is the V-shaped caved inward, and makes the bare terminal end of jaw 2 form two edges of a knife; The upper plane of jaw 2 is also provided with a stopper slot 21, and has stop screw 4 and be inserted in stopper slot 21, stop screw 4 is screwed on pedestal 1.
As shown in Figure 2, top pressure screw rod 3 is multidiameter, and the upper end of top pressure screw rod 3 is large end, and lower end is small end, and the large end of top pressure screw rod 3 is provided with the external screw thread matched with the screwed hole 11 at pedestal 1 center; Top pressure screw rod 3 is screwed in the screwed hole 11 of pedestal 1, and is provided with top pressing steel balls 6 between the large end and jaw 2 of top pressure screw rod 3.
As shown in Figure 2, pressure screw rod 3 upper end, top is provided with interior hexagonal 31, top pressure screw rod 3 is rotated by interior hexagonal 31 spanner, top can be made to press screw rod 3 to move up and down relative to pedestal 1, when pushing up pressure screw rod 3 and moving down, top pressure screw rod 3 can extrude top pressing steel balls 6, and extruding force is delivered in the cammed surface 22 of jaw 2 by the meeting of simultaneously pushing up pressing steel balls 6, thus jaw 2 is outwards slided, just from the inside of workpiece 5, workpiece 5 is clamped with this.Rotating top pressure screw rod 3 makes top press screw rod 3 to move up relative to pedestal 1, and the extruding of top pressing steel balls 6 pairs of jaws 2 will reduce gradually, finally unclamp workpiece 5; Unclamp workpiece 5 rear clip-claw 2 to make jaw 2 can be fully retracted in chute, so be provided with extension spring 41 in the stopper slot 21 of jaw 2, the two ends of extension spring 41 are hung on stopper slot 21 sidewall of stop screw 4 and jaw 2, thus to make to load workpiece 5 convenient next time.
Claims (4)
1. an inner clamps clamper for sleeve pipe, comprises pedestal, jaw, top pressure screw rod; It is characterized in that, also comprise top pressing steel balls; Described pedestal is cylindric, and the lower end of pedestal has limit convex edge, and the radial direction of pedestal is evenly distributed with at least three chutes, and base central is provided with a screwed hole; Described jaw is slidably mounted in chute, and jaw is provided with the cammed surface being partial to top towards screw thread nose end; The upper plane of described jaw is also provided with a stopper slot, and has stop screw and be inserted in stopper slot, described stop screw is screwed on described pedestal; Described top pressure screw rod is multidiameter, and the upper end of top pressure screw rod is large end, lower end is small end, and the large end of top pressure screw rod is provided with the external screw thread closed with the corresponding threaded holes of described base central, pushes up pressure screw rod and is screwed in the screwed hole of pedestal; Between the large end that top pressing steel balls is arranged on described top pressure screw rod and described jaw.
2. the inner clamps clamper of sleeve pipe according to claim 1, is characterized in that, pressure screw rod upper end, described top is provided with interior hexagonal.
3. the inner clamps clamper of sleeve pipe according to claim 1, is characterized in that, the cross section of the bare terminal end of described jaw is the V-shaped caved inward.
4. the inner clamps clamper of sleeve pipe according to claim 1, is characterized in that, is provided with extension spring in the stopper slot of described jaw, and the two ends of extension spring are hung on described stop screw and described stopper slot sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879754.3A CN105458916B (en) | 2015-12-05 | 2015-12-05 | A kind of inside clamping device of sleeve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879754.3A CN105458916B (en) | 2015-12-05 | 2015-12-05 | A kind of inside clamping device of sleeve pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105458916A true CN105458916A (en) | 2016-04-06 |
| CN105458916B CN105458916B (en) | 2017-12-26 |
Family
ID=55597304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510879754.3A Active CN105458916B (en) | 2015-12-05 | 2015-12-05 | A kind of inside clamping device of sleeve pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105458916B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750433A (en) * | 2016-05-09 | 2016-07-13 | 成都市松川金属材料有限公司 | Pipe perforator capable of rapid clamping |
| CN110756677A (en) * | 2019-11-27 | 2020-02-07 | 嘉善盛立服饰辅料厂(普通合伙) | Positioning device for die casting equipment |
| CN111321289A (en) * | 2020-04-13 | 2020-06-23 | 中国人民解放军空军工程大学 | Laser shock strengthening method for pre-deformed hole end face |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106224A (en) * | 1985-08-19 | 1987-02-18 | 冈本工业株式会社 | A kind of device of clamping tube internally |
| CN201076923Y (en) * | 2007-07-18 | 2008-06-25 | 牟燕云 | Highly effective pneumatic chuck |
| CN103009113A (en) * | 2012-12-06 | 2013-04-03 | 重庆市南川区富民科技推广中心 | Interior clamping device |
| CN103009286A (en) * | 2012-12-03 | 2013-04-03 | 符书贤 | Internal stationary fixture |
| CN103042486A (en) * | 2012-12-12 | 2013-04-17 | 重庆舰帏机械有限公司 | Sliding clamping device |
| CN205325452U (en) * | 2015-12-05 | 2016-06-22 | 重庆市成吉思机械制造有限公司 | Inside clamping jig of sheathed tube |
-
2015
- 2015-12-05 CN CN201510879754.3A patent/CN105458916B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106224A (en) * | 1985-08-19 | 1987-02-18 | 冈本工业株式会社 | A kind of device of clamping tube internally |
| CN201076923Y (en) * | 2007-07-18 | 2008-06-25 | 牟燕云 | Highly effective pneumatic chuck |
| CN103009286A (en) * | 2012-12-03 | 2013-04-03 | 符书贤 | Internal stationary fixture |
| CN103009113A (en) * | 2012-12-06 | 2013-04-03 | 重庆市南川区富民科技推广中心 | Interior clamping device |
| CN103042486A (en) * | 2012-12-12 | 2013-04-17 | 重庆舰帏机械有限公司 | Sliding clamping device |
| CN205325452U (en) * | 2015-12-05 | 2016-06-22 | 重庆市成吉思机械制造有限公司 | Inside clamping jig of sheathed tube |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105750433A (en) * | 2016-05-09 | 2016-07-13 | 成都市松川金属材料有限公司 | Pipe perforator capable of rapid clamping |
| CN110756677A (en) * | 2019-11-27 | 2020-02-07 | 嘉善盛立服饰辅料厂(普通合伙) | Positioning device for die casting equipment |
| CN111321289A (en) * | 2020-04-13 | 2020-06-23 | 中国人民解放军空军工程大学 | Laser shock strengthening method for pre-deformed hole end face |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105458916B (en) | 2017-12-26 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200914 Address after: 221000 No.56, paoche street, Pizhou City, Xuzhou City, Jiangsu Province Patentee after: Pizhou Jingpeng Venture Capital Co., Ltd Address before: Chongqing Huayan Jiulongpo happy village four Patentee before: CHONGQING CHENGJISI MACHINERY MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right |