CN105345164A - Clamping mechanism having double bevel gears and return tension springs - Google Patents
Clamping mechanism having double bevel gears and return tension springs Download PDFInfo
- Publication number
- CN105345164A CN105345164A CN201510852154.8A CN201510852154A CN105345164A CN 105345164 A CN105345164 A CN 105345164A CN 201510852154 A CN201510852154 A CN 201510852154A CN 105345164 A CN105345164 A CN 105345164A
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- CN
- China
- Prior art keywords
- clamping
- clamping limb
- tension spring
- reset tension
- grip block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/02—Loading, unloading or chucking arrangements for workpieces
- B23F23/06—Chucking arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rehabilitation Tools (AREA)
Abstract
The invention discloses a clamping mechanism having double bevel gears and return tension springs. The clamping mechanism comprises a mounting base, wherein a mounting cavity is formed in the mounting base; at least three clamping arms are arranged in the mounting cavity; the clamping arms are uniformly distributed in an annular form; the head parts of the clamping arms forwards extend outside the mounting cavity; the middle parts of the clamping arms are respectively hinged with the mounting base; one clamping arm ejector rod is inserted in the mounting base behind the clamping arms; the front end of the clamping arm ejector rod is aligned to the tail parts of the clamping arms; when the clamping arm ejector rod advances, the tails of the clamping arms are pushed to correspondingly separate, and the heads are correspondingly clamped; the clamping arm ejector rod is driven by a jacking device having double bevel gears; and clamping arm return tension springs are respectively arranged between the tails of adjacent two clamping arms, and pull the tails of the clamping arms to correspondingly clamp to return. The clamping mechanism realizes the clamping of bevel gear shafts with different diameters, and is simple in operation and wide in application range.
Description
Technical field
The invention belongs to machining tool clamp field, be specifically related to a kind of clamp system with bipyramid gear and reset tension spring.
Background technology
Bevel gear is also bevel gear, is widely used in industrial drive apparatus, differential for vehicles, locomotive, boats and ships, power plant, steel mill, railroad track detection etc.Need in bevel gear making process to use fixture to be fixed by bevel gear shaft, then processing and forming is carried out to bevel gear, normally used bevel gear shaft fixture is only a columnar clamping device, therefore the bevel gear shaft for different-diameter needs workman to change the suitable cartridge clamp of internal diameter, not only waste resource, need the cartridge clamp preparing various different model, also waste time and energy, reduce production efficiency, overcome the above problems and become the task of top priority.
Summary of the invention
For solving above technical problem, the invention provides a kind of structure ingenious, applicability is high, can the clamp system with bipyramid gear and reset tension spring of firm grip different-diameter bevel gear shaft.
For achieving the above object, technical solution of the present invention is as follows:
A kind of clamp system with bipyramid gear and reset tension spring, comprise mount pad (8), be provided with in this mount pad (8) and cavity (81) is installed, at least three clamping limbs (B) are provided with in this installation cavity (81), this clamping limb (B) hoop is uniformly distributed, its main points are: the head of described clamping limb (B) stretches out forward described installation cavity (81) respectively, the middle part of this clamping limb (B) is hinged with mount pad (8) respectively, same clamping limb push rod (9) is equipped with in the mount pad (8) at described clamping limb (B) rear, the afterbody of described clamping limb (B) is aimed in the front end of this clamping limb push rod (9), when this clamping limb push rod (9) advances, the afterbody promoting described clamping limb (B) relatively separately and head clamps relatively, described clamping limb push rod (9) is driven by jacking apparatus (C), described jacking apparatus (C) comprises housing (10), in this housing (10), driving shaft (13) and driven shaft (12) are installed, wherein on driving shaft (13), drive bevel gear (15) is installed, described driven shaft (12) is provided with driven wheel of differential (14), described drive bevel gear (15) and described driven wheel of differential (14) engagement, one end of described driven shaft (12) passes forward described housing (10) and is connected with the rear end axial thread of clamping limb push rod (9) afterwards, turning handle (11) is connected with after one end of described driving shaft (13) passes described housing (10), be respectively equipped with clamping limb reset tension spring (7) between the afterbody of adjacent two described clamping limbs (B), this clamping limb reset tension spring (7) pulls the afterbody of described clamping limb (B) relatively clamp and reset.
Adopt above structure, clamping limb push rod (9) travels forward, order about clamping limb (B) head to close, clamping cone gear shaft, be convenient to the follow-up processing to bevel gear, machine rear clamping limb (B) to reset under the effect of clamping limb reset tension spring (7), the diameter of the bevel gear shaft clamped as required due to the large I of clamping limb (B) folding of this structure adjusts flexibly, therefore applied widely, and simple to operate, be easy to left-hand seat.
As preferably: described clamping limb (B) comprises clamping lever (1), and the front portion of this clamping lever (1) is hinged with movable clamping head (2).Adopt above structure, movable clamping head (2) is automatic rotation adjustment angle according to the diameter of the bevel gear shaft of clamping, makes its firm grip bevel gear shaft.
As preferably: the rear portion inwardly protruding of described clamping lever (1), form upset top-joining part (6), it is right that this upset top-joining part (6) and described clamping limb push rod (9) front is rectified.Adopt above structure, make clamping limb (B) that the less bevel gear shaft of diameter can be clamped.
As preferably: described movable clamping head (2) comprises two just to the grip block installing plate (21) arranged, be connected with grip block (22) between the inward flange of two these grip block installing plates (21), the front portion of described clamping lever (1) is arranged between two described grip block installing plates (21) by movable rotation-shaft (5).Adopt above structure, be beneficial to movable clamping head (2) clamping cone gear shaft.
As preferably: the clamping end face of described grip block (22) is curved.Adopt above structure, increase the contact area of grip block (22) and bevel gear shaft, and then increasing friction force, be beneficial to clamping cone gear shaft.
As preferably: be provided with extension spring installing hole (3) at the rear portion of described clamping lever (1), the termination, two ends of described clamping limb reset tension spring (7) respectively extension spring installing hole (3) described with adjacent two is connected.Adopt above structure, can effectively reset to clamping limb (B).
As preferably: described grip block installing plate (21) and described grip block (22) integrated molding.Adopt above structure, make movable clamping head (2) structure more firm.
As preferably: the middle part of described clamping limb (B) is hinged in described installation cavity (81) by lever installation shaft (4).Adopt above structure, simple and reliable.
Beneficial effect: the clamp system with bipyramid gear and reset tension spring adopting above technical scheme, structure is simply novel, is easy to realize, by the rotation of clamping limb (B), realize the clamping to different-diameter bevel gear shaft, simple to operate, and applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of clamping limb B of the present invention;
Fig. 3 is the sectional view along A-A place in Fig. 2.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of clamp system with bipyramid gear and reset tension spring, comprise mount pad 8, be provided with in this mount pad 8 and cavity 81 is installed, three clamping limb B are provided with in this installation cavity 81, this clamping limb B hoop is uniformly distributed, the head of described clamping limb B stretches out forward described installation cavity 81 respectively, the middle part of this clamping limb B is hinged with mount pad 8 respectively, namely the middle part of described clamping limb B is hinged in described installation cavity 81 by lever installation shaft 4, same clamping limb push rod 9 is equipped with in the mount pad 8 at described clamping limb B rear, the afterbody of described clamping limb B is aimed in the front end of this clamping limb push rod 9, when this clamping limb push rod 9 advances, the afterbody promoting described clamping limb B relatively separately and head clamps relatively, described clamping limb push rod 9 is driven by jacking apparatus C, clamping limb reset tension spring 7 is respectively equipped with between the afterbody of adjacent two described clamping limb B, this clamping limb reset tension spring 7 pulls the afterbody of described clamping limb B relatively clamp and reset, namely be provided with extension spring installing hole 3 at the rear portion of described clamping lever 1, the termination, two ends of described clamping limb reset tension spring 7 is connected with this extension spring installing hole 3 of adjacent two clamping limb B respectively.
Refer to Fig. 1, described jacking apparatus C comprises housing 10, in this housing 10, driving shaft 13 and driven shaft 12 are installed, wherein on driving shaft 13, drive bevel gear 15 is installed, described driven shaft 12 is provided with driven wheel of differential 14, described drive bevel gear 15 and described driven wheel of differential 14 engage, one end of described driven shaft 12 is connected with the rear end axial thread of clamping limb push rod 9 after passing forward described housing 10, is connected with turning handle 11 after one end of described driving shaft 13 passes described housing 10.
See Fig. 1 and Fig. 2, described clamping limb B comprises clamping lever 1, and the front portion of this clamping lever 1 is hinged with movable clamping head 2, the rear portion inwardly protruding of described clamping lever 1, forms upset top-joining part 6, and this upset top-joining part 6 is front proper right with described clamping limb push rod 9.
As shown in Figure 3, described movable clamping head 2 comprises two just to the grip block installing plate 21 arranged, grip block 22 is connected with between the inward flange of two these grip block installing plates 21, the clamping end face of described grip block 22 is curved, described grip block installing plate 21 and described grip block 22 integrated molding, the front portion of described clamping lever 1 is arranged between two described grip block installing plates 21 by movable rotation-shaft 5.
During use, rotary motion handle 11 drives driving shaft 13 to rotate, driving shaft 13 drives driving gear 15 to rotate, driving gear 15 drives driven gear 14 to rotate, driven gear 14 drives driven shaft 12 to rotate, driven shaft 12 drives clamping limb push rod 9 to back down forward top-joining part 6, after clamping limb is rotated, clamping head 2 closes, clamping cone gear shaft, start to process bevel gear, after machining, reversely rotate turning handle 11, order about clamping limb push rod 9 to retreat, clamping limb B resets under the effect of clamping limb reset tension spring 7, clamping head 2 is opened, take out the bevel gear machined.
Finally need explanation; foregoing description is only the preferred embodiments of the present invention, those skilled in the art under enlightenment of the present invention, under the prerequisite without prejudice to present inventive concept and claim; can make like multiple types and representing, such conversion all falls within protection scope of the present invention.
Claims (8)
1. the clamp system with bipyramid gear and reset tension spring, comprise mount pad (8), be provided with in this mount pad (8) and cavity (81) is installed, at least three clamping limbs (B) are provided with in this installation cavity (81), this clamping limb (B) hoop is uniformly distributed, and it is characterized in that:
The head of described clamping limb (B) stretches out forward described installation cavity (81) respectively, the middle part of this clamping limb (B) is hinged with mount pad (8) respectively, same clamping limb push rod (9) is equipped with in the mount pad (8) at described clamping limb (B) rear, the afterbody of described clamping limb (B) is aimed in the front end of this clamping limb push rod (9), when this clamping limb push rod (9) advances, relatively separately and head clamps relatively, described clamping limb push rod (9) is driven by jacking apparatus (C) afterbody promoting described clamping limb (B);
Described jacking apparatus (C) comprises housing (10), in this housing (10), driving shaft (13) and driven shaft (12) are installed, wherein on driving shaft (13), drive bevel gear (15) is installed, described driven shaft (12) is provided with driven wheel of differential (14), described drive bevel gear (15) and described driven wheel of differential (14) engagement, one end of described driven shaft (12) passes forward described housing (10) and is connected with the rear end axial thread of clamping limb push rod (9) afterwards, turning handle (11) is connected with after one end of described driving shaft (13) passes described housing (10),
Be respectively equipped with clamping limb reset tension spring (7) between the afterbody of adjacent two described clamping limbs (B), this clamping limb reset tension spring (7) pulls the afterbody of described clamping limb (B) relatively clamp and reset.
2. the clamp system with bipyramid gear and reset tension spring according to claim 1, it is characterized in that: described clamping limb (B) comprises clamping lever (1), the front portion of this clamping lever (1) is hinged with movable clamping head (2).
3. the clamp system with bipyramid gear and reset tension spring according to claim 2, it is characterized in that: the rear portion inwardly protruding of described clamping lever (1), form upset top-joining part (6), this upset top-joining part (6) is front proper right with described clamping limb push rod (9).
4. the clamp system with bipyramid gear and reset tension spring according to Claims 2 or 3, it is characterized in that: described movable clamping head (2) comprises two just to the grip block installing plate (21) arranged, be connected with grip block (22) between the inward flange of two these grip block installing plates (21), the front portion of described clamping lever (1) is arranged between two described grip block installing plates (21) by movable rotation-shaft (5).
5. the clamp system with bipyramid gear and reset tension spring according to claim 4, is characterized in that: the clamping end face of described grip block (22) is curved.
6. the clamp system with bipyramid gear and reset tension spring according to Claims 2 or 3, it is characterized in that: be provided with extension spring installing hole (3) at the rear portion of described clamping lever (1), the termination, two ends of described clamping limb reset tension spring (7) respectively extension spring installing hole (3) described with adjacent two is connected.
7. the clamp system with bipyramid gear and reset tension spring according to claim 4, is characterized in that: described grip block installing plate (21) and described grip block (22) integrated molding.
8. the clamp system with bipyramid gear and reset tension spring according to claim 1, is characterized in that: the middle part of described clamping limb (B) is hinged in described installation cavity (81) by lever installation shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852154.8A CN105345164A (en) | 2015-11-30 | 2015-11-30 | Clamping mechanism having double bevel gears and return tension springs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510852154.8A CN105345164A (en) | 2015-11-30 | 2015-11-30 | Clamping mechanism having double bevel gears and return tension springs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105345164A true CN105345164A (en) | 2016-02-24 |
Family
ID=55321303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510852154.8A Pending CN105345164A (en) | 2015-11-30 | 2015-11-30 | Clamping mechanism having double bevel gears and return tension springs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105345164A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0805278B1 (en) * | 1996-05-03 | 2000-08-02 | Etablissements CAILLAU | Pneumatic actuating device |
| CN1436114A (en) * | 2000-06-14 | 2003-08-13 | 汉斯奥蒂克机械及装置制造股份公司 | Pneumatic precision pliers |
| CN201573126U (en) * | 2010-01-12 | 2010-09-08 | 荆州市元泽石油设备有限公司 | Automatic mechanical pincer device |
| CN203019282U (en) * | 2012-12-04 | 2013-06-26 | 河南省第二建设集团有限公司 | Screw driver |
| CN203245755U (en) * | 2013-04-08 | 2013-10-23 | 杭州宇丰锻造有限公司 | Fast workpiece clamping device |
| CN204019385U (en) * | 2014-09-01 | 2014-12-17 | 天津市祥泰带钢有限公司 | A kind of pliers with screw-tightened function |
| CN204621788U (en) * | 2015-05-20 | 2015-09-09 | 四川制动科技股份有限公司 | A kind of clamp structure |
-
2015
- 2015-11-30 CN CN201510852154.8A patent/CN105345164A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0805278B1 (en) * | 1996-05-03 | 2000-08-02 | Etablissements CAILLAU | Pneumatic actuating device |
| CN1436114A (en) * | 2000-06-14 | 2003-08-13 | 汉斯奥蒂克机械及装置制造股份公司 | Pneumatic precision pliers |
| CN201573126U (en) * | 2010-01-12 | 2010-09-08 | 荆州市元泽石油设备有限公司 | Automatic mechanical pincer device |
| CN203019282U (en) * | 2012-12-04 | 2013-06-26 | 河南省第二建设集团有限公司 | Screw driver |
| CN203245755U (en) * | 2013-04-08 | 2013-10-23 | 杭州宇丰锻造有限公司 | Fast workpiece clamping device |
| CN204019385U (en) * | 2014-09-01 | 2014-12-17 | 天津市祥泰带钢有限公司 | A kind of pliers with screw-tightened function |
| CN204621788U (en) * | 2015-05-20 | 2015-09-09 | 四川制动科技股份有限公司 | A kind of clamp structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160224 |