CN203592417U - Supporting device for workpiece positioning clamping and disassembling - Google Patents
Supporting device for workpiece positioning clamping and disassembling Download PDFInfo
- Publication number
- CN203592417U CN203592417U CN201320704047.7U CN201320704047U CN203592417U CN 203592417 U CN203592417 U CN 203592417U CN 201320704047 U CN201320704047 U CN 201320704047U CN 203592417 U CN203592417 U CN 203592417U
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- Prior art keywords
- connecting axle
- base
- crank
- workpiece
- workpiece positioning
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Abstract
The utility model discloses a supporting device for workpiece positioning clamping and disassembling, and belongs to the technical field of tool clamps. The device comprises a base, wherein the upper surface of the base is provided with two positioning blocks and two positioning pins, the lower surface of the base is provided with a first connection shaft and a second connection shaft, the first connection shaft is provided with at least one cam, the second connection shaft is provided with at least two cams, each cam is connected with a supporting pin, the supporting pin is provided with a force bearing end and a supporting end, a reset spring is arranged between the force bearing end of the supporting pin and the base, a connection rod mechanism is arranged between the end of the first connection shaft and the end of the second connection shaft, the first connection shaft or the second connection shaft is provided with a handle, and the base is provided with a limiting element. The device guarantees the positioning faces of the positioning blocks and precision of the positioning pins, improves machining quality of a workpiece, and is convenient to assemble and disassemble, high in efficiency, simple in structure, low in manufacturing cost, wide in application range and especially suitable for finish machining of a heavy workpiece.
Description
Technical field
The utility model belongs to technical field of tooling clamps, relates in particular to a kind of workpiece positioning and clamping and dismounting bracing or strutting arrangement.
Background technology
At present, in mechanical processing industry, plane and two pits location is that housing, lid class part are processed conventional locate mode.But, for a part compared with heavy workpiece, especially in the time of finishing step, because workpiece is heavier, it can not parallel or vertical importing with the alignment pin of plane and two pits positioner, the hidden danger that causes alignment pin to have larger stress or collide with, thus affect workpiece positioning precision, not only cause workpiece position stability poor, and must frequently change alignment pin.
Utility model content
Technical problem to be solved in the utility model is: a kind of workpiece positioning and clamping and dismounting bracing or strutting arrangement are provided, and to solve in the time processing compared with heavy workpiece, plane and two pits positioner not only position stability is poor, and must the frequent technical problem of changing alignment pin.
For solving the problems of the technologies described above, the technical solution of the utility model is: workpiece positioning and clamping and dismounting bracing or strutting arrangement, comprise base; The upper surface of described base is provided with two locating pieces that are oppositely arranged, and on described base, is being provided with two alignment pins described in two between locating piece, two fabrication hole settings described in two on the corresponding described workpiece of alignment pin difference; The lower surface of described base is provided with the first connecting axle and the second connecting axle that are oppositely arranged, described the first connecting axle is provided with at least one cam, described the second connecting axle is provided with at least two cams, each cam is all connected with a supporting pin, described supporting pin has the load end offseting with described cam and stretches out the support end of described base, between described load end and described base, is provided with back-moving spring; Between described the first connecting axle and the end of the second connecting axle, be provided with for making the synchronous linkage of all described camming movement, on described the first connecting axle or the second connecting axle, the end relative with described linkage is provided with handle, and described base is provided with the limit element for limiting described handle position.
Improve as one, the lower surface of described base is provided with two installing plates, and described the first connecting axle and the second connecting axle are separately positioned between two installing plates; Described limit element is arranged on described installing plate.
As further improvement, described linkage comprises the first crank and the second crank that be arranged in parallel, described the first crank is fixedly connected on described the first connecting axle, described the second crank is fixedly connected on described the second connecting axle, between described the first crank and the second crank, be provided with connecting rod, the two ends of described connecting rod are articulated with respectively on described the first crank and the second crank.
As further improvement, on described the first connecting axle and the second connecting axle, be equipped with two cams.
As further improvement, the lower surface of described base is provided with back-up block, and described the first connecting axle and the second connecting axle are rotatably installed in respectively on described back-up block.
As further improvement, described limit element is two spacer pins, and described in two, spacer pin is arranged on the both sides of described handle.
Adopt after technique scheme, the beneficial effects of the utility model are: due to workpiece positioning and clamping and dismounting bracing or strutting arrangement, comprise base, the upper surface of described base has designed two locating pieces and two alignment pins, the lower surface of described base is provided with the first connecting axle and the second connecting axle, described the first connecting axle is provided with at least one cam, described the second connecting axle is provided with at least two cams, each cam is all connected with a supporting pin, described supporting pin has load end and support end, between described load end and described base, is provided with back-moving spring; Between described the first connecting axle and the end of the second connecting axle, be provided with for making the synchronous linkage of all described camming movement, described the first connecting axle or the second connecting axle are provided with handle, and described base is provided with limit element; Before clamping workpiece, rotary handle, it is contacted with limit element, under the drive of linkage, the first connecting axle and the second connecting axle rotate simultaneously, thereby drive all cams to rotate, and promote all supporting pin compressing back-moving springs along the hole upward sliding on base, reach and exceed locating piece and alignment pin revolves entry position, form workpiece locating surface; Then workpiece is placed on supporting pin, adjusts the location of workpiece, the fabrication hole of workpiece is overlapped with chamfer place on alignment pin; Then counter-rotate handle, it is contacted with limit element, under the drive of linkage, the first connecting axle and the second connecting axle rotate backward simultaneously, thereby drive all cams to rotate backward, supporting pin is moved down by back-moving spring is parallel, now workpiece is parallel moves down, the parallel alignment pin that slips into, and contact with locating piece, complete clamping action, after Work-sheet pressing, can process; After workpiece completion of processing, remove hold down gag, rotary handle again, makes by the first connecting axle, the second connecting axle, cam and linkage that supporting pin is parallel to move up, now alignment pin disengaging parallel with fabrication hole, and depart from locating piece, complete dismounting.The utility model has guaranteed the precision of locating surface and the alignment pin of locating piece, makes it does not collided with and clash into; Easy to loading and unloading, indeformable while guaranteeing alignment pin and clamping workpiece and dismounting, without oblique, lateral stress, guarantee positioning precision and position degree, and then improved the crudy of workpiece; Simple in structure, cost of manufacture is low; Simple to operate, utilize lever arm of force and cam rotary principle rapid operation, improve the operating efficiency of workpiece positioning and clamping and dismounting; Applied widely, be particularly useful for compared with heavy workpiece fine finishining, and Support Position can be adjusted flexibly according to Workpiece structure.
Because the lower surface of described base is provided with back-up block, described the first connecting axle and the second connecting axle are rotatably installed in respectively on described back-up block, in the time that the length of the first connecting axle and the second connecting axle is longer, back-up block plays support and fixation to the first connecting axle and the second connecting axle, thereby make in the first connecting axle and the second connecting axle course of work not yieldingly, increased the stability of its work.
Because described limit element is two spacer pins, described in two, spacer pin is arranged on the both sides of described handle, and the scope of rotating for limiting handle is simple in structure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the rearview of Fig. 1;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is stereogram of the present utility model;
Fig. 5 is another visual angle view of the present utility model;
In figure: 1, base, 2, locating piece, 3, alignment pin, 41, the first connecting axle, 42, the second connecting axle, 5, installing plate, 6, back-up block, 7, cam, 8, supporting pin, 81, load end, 82, support end, 9, back-moving spring, 10, linkage, 101, the first crank, 102, the second crank, 103, connecting rod, 11, handle, 12, limit element.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 1 to Fig. 5 is common, workpiece positioning and clamping and dismounting bracing or strutting arrangement, comprise base 1, the upper surface of base 1 is provided with two locating piece being oppositely arranged 2, two locating pieces 2 determines the locating surface of workpiece, on base 1, is being provided with the two fabrication hole settings on corresponding workpiece respectively of two alignment pin 3, two alignment pins 3 between two locating pieces 2, the lower surface of base 1 is provided with the first connecting axle 41 and the second connecting axle 42 that are oppositely arranged, concrete, and the lower surface of base 1 is provided with two installing plate 5, the first connecting axles 41 and the second connecting axle 42 is separately positioned between two installing plates 5, the lower surface of base 1 is provided with back-up block 6, the first connecting axle 41 and the second connecting axle 42 are rotatably installed in respectively on back-up block 6, in the time that the length of the first connecting axle 41 and the second connecting axle 42 is longer, back-up block 6 supports and fixation the first connecting axle 41 and 42 of the second connecting axles, thereby make in the first connecting axle 41 and second connecting axle 42 courses of work not yielding, increase the stability that the first connecting axle 41 and the second connecting axle 42 are worked, the first connecting axle 41 is provided with at least one cam 7, the second connecting axle 42 is provided with at least two cams 7, preferably, on the first connecting axle 41 and the second connecting axle 42, be equipped with two cams 7, each cam 7 is all connected with a supporting pin 8, supporting pin 8 has the load end 81 that offsets with cam 7 and the support end 82 of protuberate basic unit 1, between load end 81 and base 1, is provided with back-moving spring 9, between the first connecting axle 41 and the end of the second connecting axle 42, be provided with the linkage 10 for making all cam 7 synchronized movement, preferably, linkage 10 comprises the first crank 101 and the second crank 102 that be arranged in parallel, the first crank 101 is fixedly connected on the first connecting axle 41, the second crank 102 is fixedly connected on the second connecting axle 42, between the first crank 101 and the second crank 102, be provided with connecting rod 103, the two ends of connecting rod 103 are articulated with respectively on the first crank 101 and the second crank 102, on the first connecting axle 41 or the second connecting axle 42, the end relative with linkage 10 is provided with handle 11, base 1 is provided with the limit element 12 for limiting handle 11 positions, concrete, limit element 12 is arranged on installing plate 5.
Preferably, limit element 12 is two spacer pins, and two spacer pins are arranged on the both sides of handle 11, and the scope of rotating for limiting handle 11 is simple in structure; Certainly, limit element 12 also can select limited block, baffle plate etc. to realize, and those skilled in the art can select according to actual conditions, do not repeat them here.
Before clamping workpiece, rotary handle 11, it is contacted with limit element 12, under the drive of linkage 10, the first connecting axle 41 and the second connecting axle 42 rotate simultaneously, thereby drive all cams 7 to rotate, and promote supporting pin 8 and oppress back-moving spring 9 along the hole upward sliding on base 1, reach and exceed locating piece 2 and alignment pin 3 revolves entry position, form workpiece locating surface; Then workpiece is placed on supporting pin 8, adjusts the location of workpiece, the fabrication hole of workpiece is overlapped with chamfer place on alignment pin 3; Then counter-rotate handle 11, it is contacted with limit element 12, under the drive of linkage 10, the first connecting axle 41 and the second connecting axle 42 rotate backward simultaneously, thereby drive all cams 7 to rotate backward, supporting pin 8 is moved down by back-moving spring 9 is parallel, now workpiece is parallel moves down, the parallel alignment pin 3 that slips into, and contact with locating piece 2, complete clamping action, after Work-sheet pressing, can process; After workpiece completion of processing, remove hold down gag, again rotary handle 11, make by the first connecting axle 41 and the second connecting axle 42, cam 7 and linkage 10 that supporting pin 8 is parallel to move up, now alignment pin 3 disengaging parallel with fabrication hole, and depart from locating piece 2, complete dismounting.
The workpiece positioning and clamping that the utility model provides and dismounting bracing or strutting arrangement, guaranteed the precision of locating surface and the alignment pin 3 of locating piece 2 to make it does not collided with and clash into; Easy to loading and unloading, indeformable while guaranteeing alignment pin 3 with clamping workpiece and dismounting, without oblique, lateral stress, guarantee positioning precision and position degree, and then improved the crudy of workpiece; Simple in structure, cost of manufacture is low; Simple to operate, utilize lever arm of force and cam rotary principle rapid operation, improve the operating efficiency of workpiece positioning and clamping and dismounting; Applied widely, be particularly useful for compared with heavy workpiece fine finishining, and Support Position can be adjusted flexibly according to Workpiece structure.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. workpiece positioning and clamping and dismounting bracing or strutting arrangement, comprise base; The upper surface of described base is provided with two locating pieces that are oppositely arranged, and on described base, is being provided with two alignment pins described in two between locating piece, two fabrication hole settings described in two on the corresponding described workpiece of alignment pin difference; It is characterized in that, the lower surface of described base is provided with the first connecting axle and the second connecting axle that are oppositely arranged, described the first connecting axle is provided with at least one cam, described the second connecting axle is provided with at least two cams, each cam is all connected with a supporting pin, described supporting pin has the load end offseting with described cam and stretches out the support end of described base, between described load end and described base, is provided with back-moving spring; Between described the first connecting axle and the end of the second connecting axle, be provided with for making the synchronous linkage of all described camming movement, on described the first connecting axle or the second connecting axle, the end relative with described linkage is provided with handle, and described base is provided with the limit element for limiting described handle position.
2. workpiece positioning and clamping according to claim 1 and dismounting bracing or strutting arrangement, is characterized in that, the lower surface of described base is provided with two installing plates, and described the first connecting axle and the second connecting axle are separately positioned between two installing plates; Described limit element is arranged on described installing plate.
3. workpiece positioning and clamping according to claim 2 and dismounting bracing or strutting arrangement, it is characterized in that, described linkage comprises the first crank and the second crank that be arranged in parallel, described the first crank is fixedly connected on described the first connecting axle, described the second crank is fixedly connected on described the second connecting axle, between described the first crank and the second crank, be provided with connecting rod, the two ends of described connecting rod are articulated with respectively on described the first crank and the second crank.
4. workpiece positioning and clamping according to claim 3 and dismounting bracing or strutting arrangement, is characterized in that, on described the first connecting axle and the second connecting axle, is equipped with two cams.
5. workpiece positioning and clamping according to claim 4 and dismounting bracing or strutting arrangement, is characterized in that, the lower surface of described base is provided with back-up block, and described the first connecting axle and the second connecting axle are rotatably installed in respectively on described back-up block.
6. workpiece positioning and clamping according to claim 5 and dismounting bracing or strutting arrangement, is characterized in that, described limit element is two spacer pins, and described in two, spacer pin is arranged on the both sides of described handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704047.7U CN203592417U (en) | 2013-11-08 | 2013-11-08 | Supporting device for workpiece positioning clamping and disassembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320704047.7U CN203592417U (en) | 2013-11-08 | 2013-11-08 | Supporting device for workpiece positioning clamping and disassembling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592417U true CN203592417U (en) | 2014-05-14 |
Family
ID=50673356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320704047.7U Expired - Lifetime CN203592417U (en) | 2013-11-08 | 2013-11-08 | Supporting device for workpiece positioning clamping and disassembling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493754A (en) * | 2014-12-22 | 2015-04-08 | 苏州博众精工科技有限公司 | Cam-linkage clamping mechanism |
-
2013
- 2013-11-08 CN CN201320704047.7U patent/CN203592417U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493754A (en) * | 2014-12-22 | 2015-04-08 | 苏州博众精工科技有限公司 | Cam-linkage clamping mechanism |
| CN104493754B (en) * | 2014-12-22 | 2016-04-06 | 苏州博众精工科技有限公司 | A kind of cam link clamp system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |