CN109648496B - Multifunctional rapid clamping mechanism - Google Patents
Multifunctional rapid clamping mechanism Download PDFInfo
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- CN109648496B CN109648496B CN201811651338.8A CN201811651338A CN109648496B CN 109648496 B CN109648496 B CN 109648496B CN 201811651338 A CN201811651338 A CN 201811651338A CN 109648496 B CN109648496 B CN 109648496B
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- driving plate
- limiting
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- hole
- screw rod
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- 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)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The invention discloses a multifunctional rapid clamping mechanism.A guide sleeve is fixed in a smooth hole at the upper end of the center of a base body, and a sliding shaft penetrates through the guide sleeve; the upper end of the sliding shaft is fixed at the lower end of the driving plate; after the screw rod passes through the screw rod through hole A on the driving plate and the screw rod through hole B of the sliding shaft, the screw rod is fixed in the threaded hole of the base body in a threaded manner; a spring is sleeved on the screw rod between the lower end surface of the sliding shaft and the step of the variable-diameter hole of the base body; the upper end part of the screw rod is provided with a wide cap with two walls, a pin shaft is fixed between the two walls, and a cam wrench is rotatably arranged on the pin shaft; one end of the driven plate is rotatably arranged at one end, close to the sliding shaft, of the upper end face of the driving plate through a pin shaft, a handle is detachably fixed at the end part of the free end of the other end of the driven plate, a handle blocking groove is formed in the corresponding position of the front side of the driving plate, and pressing heads are respectively fixed at the free ends of the driving plate and the driven plate. The clamping device can be used universally for most workpieces, and is wide in application range, high in clamping speed, high in clamping efficiency, high in operation safety coefficient, simple in structure and convenient to use.
Description
Technical Field
The invention belongs to the technical field of clamps, and relates to a multifunctional rapid clamping mechanism.
Background
The equipment manufacturing industry in China is developing rapidly, new functional products are pushed out continuously, the pre-compression mode of common workpieces is mostly manual compression, some compression tools are adopted for compression, but the compression tools are only suitable for single products, and the universality is poor. Along with the progress of science and technology, the work piece of various structures and shape is more and more, and the special frock preparation time of single product single model can not keep up with the development of product, so most still adopt the manual work to compress tightly, and to requiring under the tight condition of quick clamp, the operation that the manual work compressed tightly, it is more troublesome to use, and the efficiency of centre gripping is lower, and factor of safety is low.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide the multifunctional rapid clamping mechanism which can be used for most workpieces and has the advantages of high clamping speed, high clamping efficiency and high operation safety coefficient.
In order to achieve the purpose, the technical solution of the invention is as follows: a multifunctional rapid clamping mechanism comprises a base body, a screw rod, a cam wrench, a sliding shaft, a driving plate, a driven plate, two pressing heads and a handle;
the center of the base body is provided with a reducing hole, the lower end of the reducing hole is a threaded hole with the diameter matched with the thread on the screw rod, and the upper end of the reducing hole is a unthreaded hole with a large diameter; a guide sleeve is fixed in the unthreaded hole, and a sliding shaft with a screw rod through hole B in the center penetrates through the guide sleeve; the upper end of the sliding shaft is fixed at the lower end of the driving plate; a screw rod through hole A which is concentric with the screw rod through hole B of the sliding shaft and has the same diameter is formed in the driving plate; after the screw rod passes through the screw rod through hole A and the screw rod through hole B, the screw rod is fixed in the threaded hole of the base body in a threaded manner; a spring is sleeved on the screw rod between the lower end surface of the sliding shaft and the step of the variable-diameter hole of the base body; the upper end part of the screw rod is provided with a wide cap, the wide cap is provided with two walls, a pin shaft is fixed between the two walls, a cam wrench is rotatably arranged on the pin shaft and presses down the wrench, the cam of the wrench is pressed on the driving plate, the wrench is lifted, and the cam of the wrench leaves the driving plate; a driving plate rotation limiting mechanism is fixed on the upper end surface of the base body;
one end of the driven plate is rotatably arranged at one end, close to the sliding shaft, of the upper end face of the driving plate through a pin shaft, a handle is detachably fixed at the end part of the free end of the other end of the driven plate, a handle blocking groove is formed in the corresponding position of the front side of the driving plate, and the free ends of the driving plate and the driven plate are respectively fixed with a compression head; the driving plate is provided with a driven plate rotation limiting mechanism.
Further preferably, the invention also comprises a limiting seat, wherein the limiting seat is far away from the base body and can be fixed on the same workbench with the base body; the upper end surface of the limiting seat is provided with a limiting groove; the handle of driven plate lower extreme has worn the pressure spring, and its lower extreme is fixed with spacing head, and the diameter of spacing head upper end is about being greater than spacing groove diameter, and its lower extreme indent can go deep into the spacing inslot, just in time the joint of spacing head on spacing notch promptly. Spacing seat provides the supporting role for the handle to for driving plate and driven plate provide supporting role, when avoiding the mechanism out of work, driven plate and driving plate fall because of weight, avoid its damage coupling mechanism, reduce life's emergence. The spring can make the spacing head compress tightly in the spacing inslot.
Further preferably, the pressing head is an adjusting bolt with a spherical or planar bottom surface, the adjusting bolt is fixed in the bolt mounting holes of the driving plate and the driven plate through threads, and the upper end of the adjusting bolt is locked and fixed through a locking nut. The adjusting bolt can adjust the depth of the adjusting bolt fixed in the driving plate or the driven plate, thereby adjusting the height of the adjusting bolt pressing the workpiece. The use is very convenient.
Further preferably, the driving plate rotation limiting mechanism fixed on the upper end surface of the base body is a limiting screw, and the limiting screw is fixed on the upper end surface of the base body through threads. Simple structure and convenient implementation. The maximum displacement of the active plate rotation is limited.
Further preferably, the driven plate rotation limiting mechanism on the driving plate is formed by forming a limiting hole or a limiting groove on the driving plate, and the driven plate is provided with a limiting plunger matched with the limiting hole or the limiting groove. When the driven plate rotates relative to the driving plate, the limiting plunger can slide on the driving plate, and when the limiting plunger slides to the limiting hole or the limiting groove on the driving plate, the limiting plunger is limited to the limiting hole or the limiting groove under the action of the spring and cannot slide, so that the maximum displacement of the driven plate in rotation is limited.
Further preferably, the structure that one end of the driven plate is rotatably mounted on one end of the upper end surface of the driving plate close to the sliding shaft through a pin shaft is as follows: the lower end of the pin shaft is provided with an edge bulge limit, the upper end of the pin shaft is provided with a circle of groove, the pin shaft penetrates through the through pin shaft holes of the driving plate and the driven plate from the lower end, and an elastic retainer ring is clamped in the groove at the upper end for limiting; and the pin shaft is tightly assembled with the driving plate. Simple structure, practicality, easy assembly.
Further preferably, the upper end of the sliding shaft is fixed at the lower end of the driving plate by a screw.
When the handle does not work, the cam wrench is lifted and loosened, and the driving plate and the driven plate rotate together, and then the limiting head of the handle is parked on the limiting groove. When the device is used, firstly, the depth of a screw rod screwed into a threaded hole of a base body is adjusted according to the height of a workpiece, a driving plate reaches the highest height under the action of a spring, after the screw rod is adjusted, a handle is rotated, so that a driven plate is driven to rotate, the driving plate is pushed by hand or rotated by dead weight, when the driving plate and the driven plate rotate to the position required by the workpiece, a pressing head is over against the position required to be pressed by the workpiece, a cam wrench is pressed down, the driving plate and the driven plate move downwards under the compression of a cam, the cam wrench presses the driving plate and the driven plate, and finally, the height of the pressing head is adjusted to be; after the work is finished, the cam wrench is loosened, the handle is held by hand to drive the driven plate to rotate, after the driving plate is touched, the handle is clamped in the handle blocking groove and also drives the driving wheel to rotate, and the action is stopped until the limiting head is clamped in the limiting seat. The height of the driving plate and the height of the driven plate can be adjusted by adjusting the height of the screw rod, the height of the pressure adjusting pressing heads can be adjusted, the height of the pressing position can be adjusted slightly, the driving plate and the driven plate can be pressed tightly by the two pressing heads on the driving plate and the driven plate, the driving plate and the driven plate can rotate relative to each other, an included angle between the driving plate and the driven plate can be adjusted, namely the position between the pressing heads on the driving plate and the driven plate can be adjusted, therefore, a plurality of workpieces with different shapes and sizes can be used, and when small workpieces or large workpieces need to be pressed tightly by a single point, the driving plate can be used for pressing. In a word, the clamping device can be used universally for most workpieces, is wide in application range, can clamp and release the workpieces quickly, and is high in clamping speed, high in clamping efficiency, high in operation safety coefficient, simple in structure and convenient to use.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention when not in operation;
FIG. 2 is a top plan view of the present invention in its inoperative position;
FIG. 3 is a front view of the present invention in operation;
fig. 4 is a top view of the present invention in operation.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, 2, 3 and 4, the present embodiment includes a base body 1, a screw 2, a cam wrench 7, a slide shaft 6, a driving plate 4, a driven plate 5, two pressing heads, and a handle 10.
The center of the base body 1 is provided with a reducing hole, the lower end of the reducing hole is a threaded hole with the diameter matched with the thread on the screw rod 2, and the upper end of the reducing hole is a unthreaded hole with a large diameter; a guide sleeve 9 is fixed in the light hole, and a sliding shaft 6 with a screw rod through hole B in the center penetrates through the guide sleeve 9. The upper end of the sliding shaft 6 is fixed at the lower end of the driving plate 4 by screws. The driving plate 4 is provided with a screw rod through hole A which is concentric with the screw rod through hole B of the sliding shaft 6 and has the same diameter. And the screw rod 2 is fixed in the threaded hole of the base body 1 in a threaded manner after penetrating through the screw rod through hole A and the screw rod through hole B. The screw rod 2 between the lower end surface of the sliding shaft 6 and the step 17 of the reducing hole of the base body 1 is sleeved with a spring 8. The upper end part of the screw rod 2 is provided with a wide cap, the wide cap is provided with two walls, a pin shaft 71 is fixed between the two walls, a cam wrench 7 is rotatably arranged on the pin shaft 71, the wrench 7 is pressed downwards, a cam 72 of the wrench is pressed on the driving plate 4, the wrench 7 is lifted, and the cam 72 of the wrench is separated from the driving plate 4. The upper end surface of the base body 1 is fixed with a driving plate rotation limiting mechanism, preferably, the limiting mechanism is a limiting screw 3, and the limiting screw is fixed on the upper end surface of the base body 1 in a threaded mode.
One end of the driven plate 5 is rotatably installed at one end, close to the sliding shaft 6, of the upper end face of the driving plate 4 through a pin shaft 18, the preferable structure is that the lower end of the pin shaft 18 is limited by an edge protrusion, the upper end of the pin shaft 18 is provided with a circle of groove, the pin shaft 18 penetrates through pin shaft holes of the driving plate 4 and the driven plate 5 from the lower end, and an elastic check ring 20 is clamped in the groove at the upper end for limitation. The pin 18 is tightly assembled with the driving plate 4. A handle 10 is detachably fixed at the end part of the free end at the other end of the driven plate 5, a handle stop groove 21 is formed in the corresponding position of the front side of the driving plate 4, and the free ends of the driving plate 4 and the driven plate 5 are respectively fixed with a compression head; preferably, the pressing head is an adjusting bolt 13 with a spherical or planar bottom surface, the adjusting bolt is fixed in the bolt mounting holes of the driving plate 4 and the driven plate 5 through threads, and the upper end of the adjusting bolt is locked and fixed through a locking nut 16. The driving plate 4 is provided with a driven plate rotation limiting mechanism, preferably, the structure is that a limiting hole or a limiting groove is formed in the driving plate 4, and a limiting plunger 14 matched with the limiting hole or the limiting groove is installed on the driven plate 5. When the driven plate 5 rotates relative to the driving plate 4, the limiting plunger 14 can slide on the driving plate 4, and when the limiting plunger 14 slides to the limiting hole or the limiting groove on the driving plate 4, the limiting plunger 14 is limited to the limiting hole or the limiting groove under the action of the spring and cannot slide, so that the maximum displacement of the driven plate in rotation is limited.
Preferably, the present embodiment further includes a limiting seat 15, and the limiting seat 15 is far away from the base 1, does not form interference, and can be fixed on the same workbench as the base 1. The upper end surface of the limiting seat 15 is provided with a limiting groove 151. The handle 10 at the lower end of the driven plate 5 is provided with a pressure spring 11 in a penetrating manner, the lower end of the driven plate is fixed with a limiting head 12 through a screw, the diameter of the upper end of the limiting head 12 is larger than that of the limiting groove 151, the lower end of the limiting head is concave, the limiting groove 151 can be deeply inserted into the limiting groove, and the limiting head 12 is just clamped on the limiting groove opening 151.
The solution described above is preferred and exemplary, and a person skilled in the art may make several technical equivalents on the basis thereof, all of which are within the scope of the patent claims.
Claims (10)
1. The utility model provides a multi-functional quick clamping mechanism which characterized in that: the device comprises a base body, a screw rod, a cam wrench, a sliding shaft, a driving plate, a driven plate, two pressing heads and a handle;
the center of the base body is provided with a reducing hole, the lower end of the reducing hole is a threaded hole with the diameter matched with the thread on the screw rod, and the upper end of the reducing hole is a unthreaded hole; a guide sleeve is fixed in the unthreaded hole, and a sliding shaft with a screw rod through hole B in the center penetrates through the guide sleeve; the upper end of the sliding shaft is fixed at the lower end of the driving plate; a screw rod through hole A which is concentric with the screw rod through hole B of the sliding shaft and has the same diameter is formed in the driving plate; after the screw rod passes through the screw rod through hole A and the screw rod through hole B, the screw rod is fixed in the threaded hole of the base body in a threaded manner; a spring is sleeved on the screw rod between the lower end surface of the sliding shaft and the step of the variable-diameter hole of the base body; the upper end part of the screw rod is provided with a wide cap, the wide cap is provided with two walls, a pin shaft is fixed between the two walls, a cam wrench is rotatably arranged on the pin shaft and is pressed downwards, a cam of the cam wrench is pressed on the driving plate, the cam wrench is lifted, and the cam of the cam wrench leaves the driving plate; a driving plate rotation limiting mechanism is fixed on the upper end surface of the base body;
one end of the driven plate is rotatably arranged at one end, close to the sliding shaft, of the upper end face of the driving plate through a pin shaft, a handle is detachably fixed at the end part of the free end of the other end of the driven plate, a handle blocking groove is formed in the corresponding position of the front side of the driving plate, and the free ends of the driving plate and the driven plate are respectively fixed with a compression head; the driving plate is provided with a driven plate rotation limiting mechanism.
2. The multi-functional quick clamping mechanism of claim 1, wherein: the limiting seat is far away from the base body and can be fixed on the same workbench with the base body; the upper end surface of the limiting seat is provided with a limiting groove; the pressure spring has been worn on the handle of driven plate lower extreme, and the handle lower extreme is fixed with spacing head, and spacing head upper end diameter is greater than spacing groove diameter, and spacing head lower extreme indent can go deep into the spacing inslot, just in time the joint of spacing head on spacing notch promptly.
3. The multifunctional rapid clamping mechanism according to claim 1 or 2, characterized in that: the pressing head is an adjusting bolt with a spherical or planar bottom surface, the adjusting bolt is fixed in bolt mounting holes of the driving plate and the driven plate through threads, and the upper end of the adjusting bolt is locked and fixed through a locking nut.
4. The multi-functional quick clamping mechanism of claim 3, wherein: the driving plate rotation limiting mechanism fixed on the upper end face of the base body is a limiting screw, and the limiting screw is fixed on the upper end face of the base body through threads.
5. The multi-functional quick clamping mechanism of claim 4, wherein: the driven plate rotation limiting mechanism on the driving plate is characterized in that a limiting hole or a limiting groove is formed in the driving plate, and a limiting plunger matched with the limiting hole or the limiting groove is installed on the driven plate.
6. The multi-functional quick clamping mechanism of claim 5, wherein: the structure that driven plate one end is installed the one end that the up end of driving plate is close to the slip shaft through round pin axle is rotatable is: the lower end of the pin shaft is provided with an edge bulge limit, the upper end of the pin shaft is provided with a circle of groove, the pin shaft penetrates through the through pin shaft holes of the driving plate and the driven plate from the lower end, and an elastic retainer ring is clamped in the groove at the upper end for limiting; and the pin shaft is tightly assembled with the driving plate.
7. The multi-functional quick clamping mechanism of claim 6, wherein: the upper end of the sliding shaft is fixed at the lower end of the driving plate through a screw.
8. The multifunctional rapid clamping mechanism according to claim 1 or 2, characterized in that: the driving plate rotation limiting mechanism fixed on the upper end face of the base body is a limiting screw, and the limiting screw is fixed on the upper end face of the base body through threads.
9. The multi-functional quick clamping mechanism of claim 8, wherein: the driven plate rotation limiting mechanism on the driving plate is characterized in that a limiting hole or a limiting groove is formed in the driving plate, and a limiting plunger matched with the limiting hole or the limiting groove is installed on the driven plate.
10. The multi-functional quick clamping mechanism of claim 9, further comprising: the structure that driven plate one end is installed the one end that the up end of driving plate is close to the slip shaft through round pin axle is rotatable is: the lower end of the pin shaft is provided with an edge bulge limit, the upper end of the pin shaft is provided with a circle of groove, the pin shaft penetrates through the through pin shaft holes of the driving plate and the driven plate from the lower end, and an elastic retainer ring is clamped in the groove at the upper end for limiting; and the pin shaft is tightly assembled with the driving plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651338.8A CN109648496B (en) | 2018-12-31 | 2018-12-31 | Multifunctional rapid clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811651338.8A CN109648496B (en) | 2018-12-31 | 2018-12-31 | Multifunctional rapid clamping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109648496A CN109648496A (en) | 2019-04-19 |
| CN109648496B true CN109648496B (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811651338.8A Active CN109648496B (en) | 2018-12-31 | 2018-12-31 | Multifunctional rapid clamping mechanism |
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| CN (1) | CN109648496B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113776405A (en) * | 2021-09-09 | 2021-12-10 | 安徽江淮汽车集团股份有限公司 | Rotation type benchmark detection mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9423316D0 (en) * | 1994-11-18 | 1995-01-11 | Churchill V L Ltd | Fixture |
| CN202292519U (en) * | 2011-11-10 | 2012-07-04 | 上海瑞尔实业有限公司 | Quickly manual corner clamping mechanism |
| CN204248707U (en) * | 2014-11-07 | 2015-04-08 | 长春合心机械制造有限公司 | Portable Camlock quick clamping mechanism |
| CN107717522A (en) * | 2016-08-12 | 2018-02-23 | 成都中源红科技有限公司 | The portable multidirectional clamping device of pressing plate |
| CN107081692B (en) * | 2017-05-14 | 2018-11-13 | 费晓杰 | A kind of clamping device can be used for different-thickness steel plate |
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2018
- 2018-12-31 CN CN201811651338.8A patent/CN109648496B/en active Active
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| CN109648496A (en) | 2019-04-19 |
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