CN104043978A - Overload protection clamp - Google Patents
Overload protection clamp Download PDFInfo
- Publication number
- CN104043978A CN104043978A CN201310675412.0A CN201310675412A CN104043978A CN 104043978 A CN104043978 A CN 104043978A CN 201310675412 A CN201310675412 A CN 201310675412A CN 104043978 A CN104043978 A CN 104043978A
- Authority
- CN
- China
- Prior art keywords
- fixed block
- clamp
- screw
- steel ball
- spring
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/066—Bench vices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention discloses an overload protection clamp and belongs to the field of clamps. The overload protection clamp comprises a clamp base, a left fixed block, a left screw rod, a left clamping block, a right clamping, a right screw rod and a right fixed block, wherein the clamp base is provided with a dovetail groove; two ends of the dovetail groove are provided with the left fixed block and the right fixed block; the overload protection clamp further comprises a safety clutch mechanism, a fixed base, a regulating rod, an outer ring, a screw, a spring, a steel ball and a square shank; the regulating rod is assembled in a threaded hole of the fixed base; the square shank is connected with the regulating rod; the screw is assembled in a threaded hole of the outer ring; the steel ball is pressed on the surface of the square shank; the spring is arranged between the screw and the steel ball. The overload protection clamp can be used for solving the problems of difficulty in clamping force control and workpiece damage caused by high excessive clamping possibility of an existing clamp, and has the advantages of simple structure, reasonable design, and easiness for manufacturing.
Description
Technical field
The invention belongs to fixture field, more particularly, relate to a kind of overload prevention fixture for preventing that piece-holder is excessive.
Background technology
In machine industry, utilize lathe to process all kinds of workpiece, utilize clamping device that workpiece is fixed adding man-hour requirement, thereby realize cylindrical, end face, screw thread and the axial machining such as cut-out.When current existing fixture work, clamping frequently and loosen in process, conventionally act on workpiece and judge the degree of tightness situation of piece-holder by hand, expend time in more, increased labour intensity, reduced operating efficiency.Because clamping force is wayward, too pine does not have positioning action, too tightly damages surface of the work, even compression failure workpiece simultaneously.
Summary of the invention
Wayward, the easy clamping of clamping force that causes for existing fixture excessively and the problem of defective work piece the invention provides a kind of overload prevention fixture.
For addressing the above problem, the present invention adopts following technical scheme.
A kind of overload prevention fixture, comprises clamping fixture seat, left fixed block, left screw rod, left clamp, right clamp, right screw rod, right fixed block, on clamping fixture seat, be provided with dovetail groove, and be provided with left fixed block and right fixed block at dovetail groove two ends, on left fixed block and right fixed block, be equipped with screwed hole, left clamp and right clamp are all assemblied in the dovetail groove on clamping fixture seat, and left screw rod one end and left clamp are connected, the threaded engagement of the other end and left fixed block, right screw rod one end and right clamp are connected, and the other end is assemblied in the screwed hole of right fixed block, also comprises insurance clutch, holder, adjusting rod, outer ring, screw, spring, steel ball, Fang Bing, described holder is fixed on clamping fixture seat, and is provided with screwed hole, and described adjusting rod is assemblied in the screwed hole of holder, and described insurance clutch is by outer ring, screw, spring, steel ball, side's handle composition, described outer ring is connected with guide rod, and described square handle is connected with adjusting rod, and described screw is assemblied in the screwed hole of outer ring, and described handle surface, the steel ball side of being pressed on, is provided with spring between described screw and steel ball.
Described spring is Compress Spring.
Than prior art, beneficial effect of the present invention is:
(1) the present invention utilizes insurance clutch to prevent that piece-holder is excessive, according to different conditions of work, the spring of different-stiffness is set, in the time of work, only need rotary regulating lever, until square handle skids in insurance clutch, both ensured that piece-holder was reliable, prevented again that piece-holder was excessive.
(2) the present invention is simple in structure, reasonable in design, is easy to manufacture.
Brief description of the drawings
Fig. 1 is front view of the present invention;
Fig. 2 is the cutaway view along A-A line in Fig. 1;
Fig. 3 is the cutaway view along B-B line in Fig. 1.
In figure: 1-clamping fixture seat, 2-left fixed block, 3-left screw rod, 4-left clamp, 5-right clamp, 6-right screw rod, 7-right fixed block, 8-insurance clutch, 9-holder, 10-adjusting rod, 11-outer ring, 12-screw, 13-spring, 14-steel ball, 15-square handle.
Detailed description of the invention
Describe the present invention below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, shown in Fig. 3, overload prevention fixture comprises clamping fixture seat 1, left fixed block 2, left screw rod 3, left clamp 4, right clamp 5, right screw rod 6, right fixed block 7, on clamping fixture seat 1, be provided with dovetail groove, and be provided with left fixed block 2 and right fixed block 7 at dovetail groove two ends, on left fixed block 2 and right fixed block 7, be equipped with screwed hole, left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, and left screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, right screw rod 6 one end and right clamp 5 are connected, and the other end is assemblied in the screwed hole of right fixed block 7, also comprise insurance clutch 8, holder 9, adjusting rod 10, outer ring 11, screw 12, spring 13, steel ball 14, side's handle 15, described holder 9 is fixed on clamping fixture seat 1, and is provided with screwed hole, and described adjusting rod 10 is assemblied in the screwed hole of holder 9, and described insurance clutch 8 is by outer ring 11, screw 12, spring 13, steel ball 14, side's handle 15 forms, described outer ring 11 is connected with guide rod 6, and described square handle 15 is connected with adjusting rod 10, and described screw 12 is assemblied in the screwed hole of outer ring 11, described steel ball 14 side's of being pressed on handle 15 surfaces, are provided with spring 13 between described screw 12 and steel ball 14.
Described spring 13 is Compress Spring.
embodiment 1
As Fig. 1, Fig. 2, shown in Fig. 3, overload prevention fixture comprises clamping fixture seat 1, left fixed block 2, left screw rod 3, left clamp 4, right clamp 5, right screw rod 6, right fixed block 7, on clamping fixture seat 1, be provided with dovetail groove, and be provided with left fixed block 2 and right fixed block 7 at dovetail groove two ends, on left fixed block 2 and right fixed block 7, be equipped with screwed hole, left clamp 4 and right clamp 5 are all assemblied in the dovetail groove on clamping fixture seat 1, and left screw rod 3 one end and left clamp 4 are connected, the threaded engagement of the other end and left fixed block 2, right screw rod 6 one end and right clamp 5 are connected, and the other end is assemblied in the screwed hole of right fixed block 7, also comprise insurance clutch 8, holder 9, adjusting rod 10, outer ring 11, screw 12, spring 13, steel ball 14, side's handle 15, described holder 9 is fixed on clamping fixture seat 1, and is provided with screwed hole, and described adjusting rod 10 is assemblied in the screwed hole of holder 9, and described insurance clutch 8 is by outer ring 11, screw 12, spring 13, steel ball 14, side's handle 15 forms, described outer ring 11 is connected with guide rod 6, and described square handle 15 is connected with adjusting rod 10, and described screw 12 is assemblied in the screwed hole of outer ring 11, described steel ball 14 side's of being pressed on handle 15 surfaces, are provided with spring 13 between described screw 12 and steel ball 14.
Described spring 13 is Compress Spring, and its cross section is circular; Described steel ball 14 is stainless shot.
Claims (2)
1. an overload prevention fixture, comprises clamping fixture seat (1), left fixed block (2), left screw rod (3), left clamp (4), right clamp (5), right screw rod (6), right fixed block (7), clamping fixture seat is provided with dovetail groove on (1), and be provided with left fixed block (2) and right fixed block (7) at dovetail groove two ends, on left fixed block (2) and right fixed block (7), be equipped with screwed hole, left clamp (4) and right clamp (5) are all assemblied in the dovetail groove on clamping fixture seat (1), left screw rod (3) one end and left clamp (4) are connected, the threaded engagement of the other end and left fixed block (2), right screw rod (6) one end and right clamp (5) are connected, the other end is assemblied in the screwed hole of right fixed block (7), it is characterized in that, also comprise insurance clutch (8), holder (9), adjusting rod (10), outer ring (11), screw (12), spring (13), steel ball (14), side's handle (15), it is upper that described holder (9) is fixed on clamping fixture seat (1), and be provided with screwed hole, and described adjusting rod (10) is assemblied in the screwed hole of holder (9), and described insurance clutch (8) is by outer ring (11), screw (12), spring (13), steel ball (14), side's handle (15) composition, described outer ring (11) is connected with guide rod (6), described square handle (15) is connected with adjusting rod (10), described screw (12) is assemblied in the screwed hole of outer ring (11), described steel ball (14) side's of being pressed on handle (15) surface, is provided with spring (13) between described screw (12) and steel ball (14).
2. overload prevention fixture according to claim 1, is characterized in that, described spring (13) is Compress Spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675412.0A CN104043978A (en) | 2013-12-13 | 2013-12-13 | Overload protection clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310675412.0A CN104043978A (en) | 2013-12-13 | 2013-12-13 | Overload protection clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104043978A true CN104043978A (en) | 2014-09-17 |
Family
ID=51497633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310675412.0A Pending CN104043978A (en) | 2013-12-13 | 2013-12-13 | Overload protection clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104043978A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942622A (en) * | 2015-07-06 | 2015-09-30 | 哈尔滨理工大学 | Universal flat tongs allowing torque to be adjustable |
| CN105364680A (en) * | 2015-12-28 | 2016-03-02 | 常熟市尚高机械设备有限公司 | Novel grinding device |
| CN107377818A (en) * | 2017-09-13 | 2017-11-24 | 王传忠 | Rebar fixing device used in a kind of Architecture Field |
| CN109483277A (en) * | 2018-11-30 | 2019-03-19 | 郑州亨睿精密机械科技有限公司 | A kind of pressing device of anti-over-voltage |
| CN110439979A (en) * | 2019-09-11 | 2019-11-12 | 深圳市兆威机电股份有限公司 | Feed screw nut pair, safe transmission device and elevating mechanism |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2016751C1 (en) * | 1990-09-10 | 1994-07-30 | Центральный аэрогидродинамический институт им. проф.Н.Е.Жуковского | Quick-acting clamp |
| JP2005505431A (en) * | 2001-10-16 | 2005-02-24 | アトラス・コプコ・ツールス・アクチボラグ | Handheld power tool with rotating output shaft and overload protection device |
| CN103433779A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Composite fixture with controllable pressure |
| CN103433776A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Composite fixture with measurable pressure |
| CN103737345A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Worm self-locking anti-loose type overload protective clamp |
| CN103769883A (en) * | 2013-12-12 | 2014-05-07 | 芜湖市天雄新材料科技有限公司 | Limiting and looseness-preventing type overload protective clamp |
| CN103769915A (en) * | 2013-12-12 | 2014-05-07 | 芜湖市天雄新材料科技有限公司 | Pawl anti-loosening type overload protection clamp |
| CN203679791U (en) * | 2013-12-13 | 2014-07-02 | 芜湖市天雄塑料科技有限公司 | Overload protection fixture |
-
2013
- 2013-12-13 CN CN201310675412.0A patent/CN104043978A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2016751C1 (en) * | 1990-09-10 | 1994-07-30 | Центральный аэрогидродинамический институт им. проф.Н.Е.Жуковского | Quick-acting clamp |
| JP2005505431A (en) * | 2001-10-16 | 2005-02-24 | アトラス・コプコ・ツールス・アクチボラグ | Handheld power tool with rotating output shaft and overload protection device |
| CN103433779A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Composite fixture with controllable pressure |
| CN103433776A (en) * | 2013-08-22 | 2013-12-11 | 芜湖奕辰模具科技有限公司 | Composite fixture with measurable pressure |
| CN103737345A (en) * | 2013-12-12 | 2014-04-23 | 芜湖市天雄新材料科技有限公司 | Worm self-locking anti-loose type overload protective clamp |
| CN103769883A (en) * | 2013-12-12 | 2014-05-07 | 芜湖市天雄新材料科技有限公司 | Limiting and looseness-preventing type overload protective clamp |
| CN103769915A (en) * | 2013-12-12 | 2014-05-07 | 芜湖市天雄新材料科技有限公司 | Pawl anti-loosening type overload protection clamp |
| CN203679791U (en) * | 2013-12-13 | 2014-07-02 | 芜湖市天雄塑料科技有限公司 | Overload protection fixture |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942622A (en) * | 2015-07-06 | 2015-09-30 | 哈尔滨理工大学 | Universal flat tongs allowing torque to be adjustable |
| CN104942622B (en) * | 2015-07-06 | 2017-08-25 | 哈尔滨理工大学 | A kind of universal flat-nose pliers of adjusting torque |
| CN105364680A (en) * | 2015-12-28 | 2016-03-02 | 常熟市尚高机械设备有限公司 | Novel grinding device |
| CN107377818A (en) * | 2017-09-13 | 2017-11-24 | 王传忠 | Rebar fixing device used in a kind of Architecture Field |
| CN109483277A (en) * | 2018-11-30 | 2019-03-19 | 郑州亨睿精密机械科技有限公司 | A kind of pressing device of anti-over-voltage |
| CN110439979A (en) * | 2019-09-11 | 2019-11-12 | 深圳市兆威机电股份有限公司 | Feed screw nut pair, safe transmission device and elevating mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: WUHU TIANXIONG PLASTIC SCIENCE & TECHNOLOGY CO., LTD. Document name: Notice of non patent agency Addressee: WUHU TIANXIONG PLASTIC SCIENCE & TECHNOLOGY CO., LTD. Document name: Notification to Make Rectification |
|
| DD01 | Delivery of document by public notice |
Addressee: WUHU TIANXIONG PLASTIC SCIENCE & TECHNOLOGY CO., LTD. Document name: Notification of Passing Examination on Formalities |
|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140917 |