CN105345497B - Linkage type floating clamp - Google Patents
Linkage type floating clamp Download PDFInfo
- Publication number
- CN105345497B CN105345497B CN201510706717.2A CN201510706717A CN105345497B CN 105345497 B CN105345497 B CN 105345497B CN 201510706717 A CN201510706717 A CN 201510706717A CN 105345497 B CN105345497 B CN 105345497B
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- base
- clamping arm
- ejector rod
- inclined wedge
- clamping
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The patent discloses a linkage type floating clamp, which comprises a fixing mechanism, a left clamping mechanism and a right clamping mechanism, wherein the fixing mechanism comprises a base, an L-shaped base and a bulge arranged on the base; the left clamping mechanism comprises a lower clamping arm and a screw, a lower inclined wedge block, a lower ejector rod and a lower limiting block are arranged between the base and the base, one end of the lower ejector rod is fixedly connected with the lower inclined wedge block, and the other end of the lower ejector rod is opposite to the lower clamping arm; the right clamping mechanism comprises an upper clamping arm and a limiting rod, one end of the limiting rod is hinged with the upper clamping arm, the other end of the limiting rod is fixedly connected with the base, an upper inclined wedge block, an upper ejector rod and an upper limiting block are arranged between the base and the base, one end of the upper ejector rod is fixedly connected with the upper inclined wedge block, and the other end of the upper ejector rod is opposite to the upper clamping arm; the base is provided with a locating pin, a spring piece is arranged between the locating pin and one end, far away from the clamping workpiece, of the upper clamping arm, and the upper inclined wedge block abuts against the lower inclined wedge block. The problem that current mould structure is complicated, complex operation, work efficiency is low has been solved to this scheme.
Description
Technical Field
The invention relates to the field of clamps, in particular to a linkage type floating clamp.
Background
In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in the process may be referred to as a fixture. Such as welding jigs, inspection jigs, assembly jigs, machine jigs, etc. Machine tool fixtures are among the most common and often simply referred to as fixtures. When a workpiece is machined on a machine tool, the workpiece must be assembled and clamped before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified by a drawing. The clamp is generally composed of a positioning element, a clamping device, a tool setting guide element, an indexing device, a connecting element, a clamp body, and the like.
Clamps and clamp devices are well known and widely used in the manufacturing industry. In particular, the fixture has various datum surfaces and points that allow for accurate positioning of the part or tool. This is common to clamp components during many processes so that the components can be held in proper juxtaposition during, for example, stamping, riveting, welding, bonding or setting. Clamps are considered to be an essential component in the machining industry, and are also an important component in calculating machining costs, as well as an important component requiring logistical considerations in the production process. The existing die is complex in structure and complex in operation, and the work efficiency of machining workpieces is reduced.
Disclosure of Invention
The invention aims to provide a linkage type floating clamp which is simple in structure, convenient to operate and high in working efficiency.
In order to achieve the above purpose, the basic scheme of the invention is as follows: the linkage type floating clamp comprises a fixing mechanism, a left clamping mechanism and a right clamping mechanism, wherein the fixing mechanism comprises a base, an L-shaped base and a bulge for clamping a workpiece, and the bulge is arranged on the base; the left clamping mechanism comprises a lower clamping arm used for clamping a workpiece and a screw used for pressing the lower clamping arm, wherein the screw is connected with a screw cap arranged on the lower clamping arm, a first spring piece is arranged between the lower clamping arm and a base, a lower inclined wedge, a lower ejector rod driving the lower inclined wedge to slide and a lower limiting block limiting the lower ejector rod are arranged between the base and the base, a horizontal second spring piece is arranged between the lower inclined wedge and the base, one end of the lower ejector rod is fixedly connected with the lower inclined wedge, and the other end of the lower ejector rod penetrates through the lower limiting block and is opposite to one end, far away from the clamped workpiece, of the lower clamping arm; the right clamping mechanism comprises an upper clamping arm and a limiting rod, wherein the upper clamping arm is used for clamping a workpiece, one end of the limiting rod is hinged with the upper clamping arm, the other end of the limiting rod is fixedly connected with a base, an upper inclined wedge, an upper ejector rod for driving the upper inclined wedge to slide and an upper limiting block for limiting the upper ejector rod are arranged between the base and the base, one end of the upper ejector rod is fixedly connected with the upper inclined wedge, and the other end of the upper ejector rod penetrates through the upper limiting block and is opposite to one end, far away from the clamped workpiece, of the upper clamping arm; the base is provided with a locating pin opposite to one end, far away from the clamping workpiece, of the upper clamping arm, a third spring piece is arranged between the locating pin and one end, far away from the clamping workpiece, of the upper clamping arm, and the upper inclined wedge block abuts against the lower inclined wedge block.
Principle of basic scheme: when the clamping device is operated, the lower inclined wedge block is arranged between the base and the base, one end of the lower ejector rod is fixedly connected with the lower inclined wedge block, the other end of the lower ejector rod penetrates through the lower limiting block to be opposite to one end, far away from the clamping workpiece, of the lower clamping arm, the upper inclined wedge block is arranged between the base and the base in the same way, one end of the upper ejector rod is fixedly connected with the upper inclined wedge block, and the other end of the upper ejector rod penetrates through the upper limiting block to be opposite to the lower end of the upper clamping arm; then screw nut on the screw is screwed, the lower clamping arm is extruded to move towards the base, so that the lower clamping arm is propped against the left end of the workpiece, the first spring piece is in a compression state, the lower clamping arm extrudes the lower ejector rod to drive the lower inclined wedge to move rightwards, the second spring piece is in a compression state, the lower inclined wedge extrudes the upper ejector rod to drive the upper ejector rod to move upwards, the upper ejector rod extrudes one end of the upper clamping arm far away from the clamped workpiece to rotate anticlockwise around the hinging point, the upper clamping arm moves downwards to prop against the right end of the workpiece, and the third spring piece is in a stretching state; finally, the workpiece is clamped by the bulges, the upper clamping arms and the lower clamping arms. On the contrary, the nut on the screw is loosened, the first spring part pushes the lower clamping arm to move leftwards, the second spring part pushes the lower inclined wedge to drive the lower ejector rod to move leftwards, the lower ejector rod also pushes the lower clamping arm to move leftwards, meanwhile, the lower inclined wedge does not squeeze the upper inclined wedge any more, the upper inclined wedge drives the upper ejector rod to move downwards, the third spring part drives the right end of the upper clamping arm to move clockwise around the hinging point, and the left end of the upper clamping arm moves upwards to loosen a workpiece.
The basic scheme has the advantages that: according to the scheme, the nut on the screw is screwed down, the lower clamping arm extrudes the lower ejector rod to drive the lower inclined wedge to move rightwards, the lower inclined wedge extrudes the upper ejector rod to drive the upper ejector rod to move upwards, the upper ejector rod extrudes the upper clamping arm to rotate anticlockwise around the hinge point, the workpiece is clamped by the bulge, the lower clamping arm and the upper clamping arm, the whole structure is simple, the operation is convenient, and the work efficiency of processing the workpiece is effectively improved.
The first preferred scheme is as follows: as a preferable scheme of the basic scheme, one surface of the upper inclined wedge and the lower inclined wedge, which are attached to the base, is respectively provided with an upper chute and a lower chute, the base is respectively provided with an upper stop screw opposite to the upper chute and a lower stop screw opposite to the lower chute, through the arrangement, the upper inclined wedge and the lower inclined wedge respectively slide in a gap between the base and the base, and the positions of the upper stop screw and the lower stop screw, which are propped against the upper chute and the lower chute, are also different due to different sizes of workpieces, and the stop screws further limit the movement of the upper inclined wedge and the lower inclined wedge.
And a second preferred scheme is as follows: as another preferable scheme of the basic scheme, the first spring piece is an upper pressure spring, the second spring piece is a lower pressure spring, and the third spring piece is a tension spring, through the arrangement, the pressure springs have strong compression capacity, and when a workpiece is clamped, the upper pressure spring and the lower pressure spring are both in a compression state, and the tension spring is in a stretching state; when the workpiece is loosened, the upper pressure spring gives a leftward pushing force to the lower clamping arm, the lower pressure spring gives a leftward pushing force to the lower wedge block, and the tension spring gives a downward pulling force to the right end of the upper clamping arm, so that the time for loosening the workpiece is effectively saved.
And a preferred scheme III: as a further preferable scheme of the basic scheme, the hinge point is fixed through the pin shaft, and through the arrangement, the pin shaft enables the limiting rod to be more stable when rotating around the hinge point, and is convenient to assemble and disassemble.
Drawings
FIG. 1 is a schematic diagram of a floating clamp embodiment of the present invention.
Detailed Description
The invention is described in further detail below by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a base 1, a base 2, a bulge 3, an upper limiting block 4, an upper wedge block 5, an upper ejector rod 6, a lower limiting block 7, a lower wedge block 8, a lower ejector rod 9, an upper clamping arm 10, a lower clamping arm 11, a screw 12, a limiting rod 13, a nut 14, an upper pressure spring 15, a lower pressure spring 16, an upper chute 17, a lower chute 18, an upper stop screw 19, a lower stop screw 20, a tension spring 21 and a pin 22.
An example is substantially as shown in figure 1: the linkage type floating clamp comprises a fixing mechanism, a left clamping mechanism and a right clamping mechanism, wherein the fixing mechanism comprises a base 1, an L-shaped base 2 and a bulge 3 for clamping a workpiece, and the bulge 3 is arranged on the base 1; the left clamping mechanism comprises a lower clamping arm 11 for clamping a workpiece and a screw 12 for pressing the lower clamping arm 11, the lower clamping arm 11 is opposite to the left end of the base 1, the screw 12 is connected with a nut 14 arranged on the lower clamping arm 11, an upper pressure spring 15 is arranged between the lower clamping arm 11 and the base 1, a lower inclined wedge 8, a lower ejector rod 9 for driving the lower inclined wedge 8 to slide and a lower limiting block 7 for limiting the lower ejector rod 9 are arranged in a transverse gap between the base 1 and the base 2, a horizontal lower pressure spring 16 is arranged between the lower inclined wedge 8 and the base 2, the right end of the lower ejector rod 9 is fixedly connected with the lower inclined wedge 8, and the left end of the lower ejector rod 9 passes through the lower limiting block 7 and is opposite to the lower end of the lower clamping arm 11; the right clamping mechanism comprises an upper clamping arm 10 and a limiting rod 13, wherein the upper clamping arm 10 is opposite to the upper end of the base 1, a round hole is formed in the right end of the upper clamping arm 10, the upper end of the limiting rod 13 is hinged to the upper clamping arm 10 through a pin shaft 22, the lower end of the limiting rod 13 is in threaded connection with the base 1, a nut 14 arranged on the base 1 is connected to the limiting rod 13, an upper inclined wedge 5, an upper ejector rod 6 for driving the upper inclined wedge 5 to slide and an upper limiting block 4 for limiting the upper ejector rod 6 are arranged in a vertical gap between the base 1 and the base 2, the lower end of the upper ejector rod 6 is fixedly connected with the upper inclined wedge 5, and the upper end of the upper ejector rod 6 penetrates through the upper limiting block 4 and is opposite to the far right end of the upper clamping arm 10; the right end of the base 2 is provided with a locating pin opposite to the round hole, a tension spring 21 is arranged between the locating pin and the round hole of the upper clamping arm 10, the upper wedge 5 is propped against the lower wedge 8, one surface of the upper wedge 5 and the lower wedge 8, which is attached to the base 2, is respectively provided with an upper chute 17 and a lower chute 18, and the base 2 is respectively provided with an upper stop screw 19 opposite to the upper chute 17 and a lower stop screw 20 opposite to the lower chute 18.
In this embodiment, during operation, the lower wedge block 8 is firstly disposed in a transverse gap between the base 1 and the base 2, the right end of the lower ejector rod 9 is fixedly connected with the lower wedge block 8, the left end of the lower ejector rod 9 passes through the lower limiting block 7 and is opposite to one end of the lower clamping arm 11 far away from the clamping workpiece, and similarly, the upper wedge block 5 is disposed in a vertical gap between the base 1 and the base 2, the lower end of the upper ejector rod 6 is fixedly connected with the upper wedge block 5, and the upper end of the upper ejector rod 6 passes through the upper limiting block 4 and is opposite to the lower end of the upper clamping arm 10; then, a nut 14 on the screw 12 is screwed down, the lower clamping arm 11 is extruded to move towards the base 1, so that the upper end of the lower clamping arm 11 is propped against the left end of a workpiece, the upper pressure spring 15 is in a compression state, meanwhile, the lower clamping arm 11 extrudes the lower ejector rod 9 to drive the lower wedge block 8 to move rightwards, the lower pressure spring 16 is in a compression state, the lower wedge block 8 extrudes the upper wedge block 5 to drive the upper ejector rod 6 to move upwards, the upper ejector rod 6 extrudes the right end of the upper clamping arm 10 to rotate anticlockwise around a hinging point, the left end of the upper clamping arm 10 moves downwards to prop against the right end of the workpiece, the nut 14 on the limiting rod 13 is screwed down, the upper stop screw 19 is screwed down against the upper chute 17, the lower stop screw 20 is screwed down against the lower chute 18, and the tension spring 21 is in a stretching state; finally, the workpiece is clamped by the protrusions 3, the upper end of the upper clamping arm 10 and the left end of the lower clamping arm 11.
Conversely, the nut 14 on the screw 12, the nut 14 on the limiting rod 13, the upper stop screw 19 and the lower stop screw 20 are loosened, the upper pressure spring 15 pushes the lower clamping arm 11 to move leftwards, the lower pressure spring 16 pushes the lower inclined wedge 8 to drive the lower ejector rod 9 to move leftwards, the lower ejector rod 9 also pushes the lower clamping arm 11 to move leftwards, and meanwhile, the lower inclined wedge 8 does not press the upper inclined wedge 5 any more, so that the upper inclined wedge 5 drives the upper ejector rod 6 to move downwards, the tension spring 21 drives the right end of the upper clamping arm 10 to move clockwise around a hinge point, and the left end of the upper clamping arm 10 moves upwards to loosen a workpiece. According to the scheme, the nut 14 on the screw 12 is screwed down, the lower clamping arm 11 extrudes the lower ejector rod 9 to drive the lower inclined wedge 8 to move rightwards, the lower inclined wedge 8 extrudes the upper inclined wedge 5 to drive the upper ejector rod 6 to move upwards, the upper ejector rod 6 extrudes the upper clamping arm 10 to rotate anticlockwise around the hinge point, and the workpiece is clamped by the bulge 3, the right end of the lower clamping arm 11 and the left end of the upper clamping arm 10.
The foregoing is merely exemplary of the present invention and the specific structures and/or characteristics of the present invention that are well known in the art have not been described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (1)
1. The utility model provides a linkage floating clamp, includes fixed establishment, left clamping mechanism and right clamping mechanism, its characterized in that: the fixing mechanism comprises a base, an L-shaped base and a protrusion for clamping a workpiece, and the protrusion is arranged on the base; the left clamping mechanism comprises a lower clamping arm used for clamping a workpiece and a screw used for clamping the lower clamping arm, wherein the screw is connected with a screw cap arranged on the lower clamping arm, a first spring piece is arranged between the lower clamping arm and a base, a lower inclined wedge, a lower ejector rod driving the lower inclined wedge to slide and a lower limiting block limiting the lower ejector rod are arranged between the base and the base, a horizontal second spring piece is arranged between the lower inclined wedge and the base, one end of the lower ejector rod is fixedly connected with the lower inclined wedge, and the other end of the lower ejector rod penetrates through the lower limiting block and is opposite to one end, far away from the clamped workpiece, of the lower clamping arm; the right clamping mechanism comprises an upper clamping arm and a limiting rod, wherein the upper clamping arm is used for clamping a workpiece, one end of the limiting rod is hinged with the upper clamping arm, a hinge point is fixed through a pin shaft, the other end of the limiting rod is fixedly connected with a base, an upper inclined wedge, an upper ejector rod driving the upper inclined wedge to slide and an upper limiting block limiting the upper ejector rod are arranged between the base and the base, one end of the upper ejector rod is fixedly connected with the upper inclined wedge, and the other end of the upper ejector rod penetrates through the upper limiting block and is opposite to one end, far away from the clamped workpiece, of the upper clamping arm; a positioning pin opposite to one end of the upper clamping arm, which is far away from the clamping work, is arranged on the base, a third spring piece is arranged between the positioning pin and one end of the upper clamping arm, which is far away from the clamping work, and the upper inclined wedge block is propped against the lower inclined wedge block; an upper chute and a lower chute are respectively arranged on one surface of the upper wedge block and one surface of the lower wedge block, which are attached to the base, and an upper stop screw opposite to the upper chute and a lower stop screw opposite to the lower chute are respectively arranged on the base; the first spring piece is an upper pressure spring, the second spring piece is a lower pressure spring, and the third spring piece is a tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510706717.2A CN105345497B (en) | 2015-10-27 | 2015-10-27 | Linkage type floating clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510706717.2A CN105345497B (en) | 2015-10-27 | 2015-10-27 | Linkage type floating clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105345497A CN105345497A (en) | 2016-02-24 |
| CN105345497B true CN105345497B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510706717.2A Active CN105345497B (en) | 2015-10-27 | 2015-10-27 | Linkage type floating clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105345497B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113941823B (en) * | 2021-11-18 | 2023-01-13 | 湖南泰嘉新材料科技股份有限公司 | Device for adhering and grinding jaw of gear splitting machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006102887A (en) * | 2004-10-06 | 2006-04-20 | Sagami Precision Kk | Workpiece clamping device |
| CN103100994A (en) * | 2012-12-09 | 2013-05-15 | 重庆巨康建材有限公司 | Double-inclined-block clamping device |
| CN203062627U (en) * | 2012-12-14 | 2013-07-17 | 周家莉 | Reset type jacking column clamping device |
| CN103624571A (en) * | 2013-11-19 | 2014-03-12 | 重庆风过旗扬科技发展有限公司 | Pneumatic wedge-block clamping device |
| CN104400465A (en) * | 2014-11-29 | 2015-03-11 | 重庆红旗缸盖制造有限公司 | End surface wedge clamping mechanism |
| CN104551760A (en) * | 2014-12-20 | 2015-04-29 | 重庆市西华机械制造有限公司 | Clamping device for shaft milling slot |
| CN205166414U (en) * | 2015-10-27 | 2016-04-20 | 重庆市永川区植成家俱厂 | Coordinated type anchor clamps that float |
-
2015
- 2015-10-27 CN CN201510706717.2A patent/CN105345497B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006102887A (en) * | 2004-10-06 | 2006-04-20 | Sagami Precision Kk | Workpiece clamping device |
| CN103100994A (en) * | 2012-12-09 | 2013-05-15 | 重庆巨康建材有限公司 | Double-inclined-block clamping device |
| CN203062627U (en) * | 2012-12-14 | 2013-07-17 | 周家莉 | Reset type jacking column clamping device |
| CN103624571A (en) * | 2013-11-19 | 2014-03-12 | 重庆风过旗扬科技发展有限公司 | Pneumatic wedge-block clamping device |
| CN104400465A (en) * | 2014-11-29 | 2015-03-11 | 重庆红旗缸盖制造有限公司 | End surface wedge clamping mechanism |
| CN104551760A (en) * | 2014-12-20 | 2015-04-29 | 重庆市西华机械制造有限公司 | Clamping device for shaft milling slot |
| CN205166414U (en) * | 2015-10-27 | 2016-04-20 | 重庆市永川区植成家俱厂 | Coordinated type anchor clamps that float |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105345497A (en) | 2016-02-24 |
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