CN103047383A - Slider mechanism with elastic swing guide rods - Google Patents
Slider mechanism with elastic swing guide rods Download PDFInfo
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- CN103047383A CN103047383A CN2012105708934A CN201210570893A CN103047383A CN 103047383 A CN103047383 A CN 103047383A CN 2012105708934 A CN2012105708934 A CN 2012105708934A CN 201210570893 A CN201210570893 A CN 201210570893A CN 103047383 A CN103047383 A CN 103047383A
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- guide rod
- key element
- elastic
- guide rods
- sliding pair
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Abstract
The invention discloses a slider mechanism with elastic swing guide rods and belongs to the field of mechanical principles and theory of mechanism. The slider mechanism with elastic swing guide rods comprises a drive rotary arm, elastic guide rods, sliders and a frame. The elastic guide rods are connected with the sliders through revolute pairs C. The elastic guide rods are connected with the drive rotary arm through prismatic pairs B. Each elastic guide rod is provided with a plate spring K, and high-rigidity elastic connection relation between the drive rotary arm and the sliders is established. While angular displacement of the drive rotary arm is fixed, each slider in a parallel combination mechanism consisting of the elastic swing guide rods and sliders satisfies different displacement requirements of fastening points, multi-point synchronous reliable tightening is achieved, and the slider mechanism with elastic swing guide rods is simple in structural design and greatly lowered manufacturing cost.
Description
Technical field
The invention belongs to Der Grundsatz der Maschinen and mechanics field, more particularly, relate to a kind of elastics wing guide rod slide-block mechanism.
Background technique
During the design machine tool fixture, usually can run into the situation of on the hair side of workpiece a plurality of positions being carried out simultaneously synchronous clamping being held.In order to guarantee all to clamp reliably to be added and hold workpiece respectively stepping up a position, traditional way has two kinds substantially: one is according to the design philosophy of " single-point position drive ", namely at each clamping point an independently drive transmission device is set; Another way is to adopt the design philosophy of " with the multi-point synchronous drive of load balancing mechanism ", namely adopt a drive unit to drive simultaneously a plurality of clampings and carry out member, in order to guarantee that each clamps the execution member and all can play reliably clamping action, need to special load balancing mechanism be set clamp carrying out between member and the drive unit, such as leverage etc.The former needs a plurality of drive transmission devices, and the latter needs custom-designed load balancing mechanism, and the result is that the structure of machine tool fixture is comparatively complicated, manufacturing expense is higher.
Chinese patent application number: the patent document of 201010613123.4 applyings date: 2010-12-29, a kind of clamping mechanism of clamp of machine tool is disclosed, this mechanism comprises drive unit, drive link, push rod, bull stick, push rod, carry out bar, described drive unit is fixedly installed in the mechanism, described drive link one end and drive unit are in transmission connection, the other end and push rod are movably connected, described bull stick one end and mechanism are flexibly connected, the other end and push rod, push rod is flexibly connected, the described push rod the other end is flexibly connected with the execution bar, described execution bar middle part is flexibly connected by a fulcrum and mechanism, and the front end of execution bar is provided with the clamping element for clamping work pieces.The advantage of this invention is that volume is little, and compact structure can remedy drive unit swing space not enough and the installation that brings or the restriction of use.But the deficiency of the technological scheme of this invention is that the mechanism of this invention is too complicated, and manufacture cost is high.
Summary of the invention
1. the technical problem that will solve
The demand that synchronous clamping is arranged in a plurality of clamping points position for machine tool fixture, and the problem that the structure of machine tool fixture is comparatively complicated in the prior art, manufacturing expense is higher, the invention provides a kind of elastics wing guide rod slide-block mechanism, take this mechanism as the parallel combination unit, adopt the mode of centralized driving, can realize the synchronous reliable grip of machine tool fixture multi-point.
2. technological scheme
Principle of the present invention: by the elastic guide rod member is set, realize driving the large rigidity resilient connection between pivoted arm and the slide block, and consist of elastics wing guide rod slide-block mechanism by driving pivoted arm, elastic guide rod, slide block and frame.This mechanism has in the situation that the input displacement that drives pivoted arm remains unchanged, the kinetic characteristic that the displacement amount of slide block changes with its load; Take this elastics wing guide rod slide-block mechanism as elementary cell, carry out parallel combination by the mode of centralized driving, the output link of each elementary cell clamps as one and carries out member, realizes the multi-point of clamped object is clamped.
Purpose of the present invention is achieved through the following technical solutions.
A kind of elastics wing guide rod slide-block mechanism of the present invention, it comprises: drive pivoted arm, elastic guide rod, slide block and frame, described driving pivoted arm is installed on the described frame by revolute pair A, and described slide block is installed on the described frame by sliding pair D; Described elastic guide rod comprises three parts from left to right successively: revolute pair key element C I, flat spring K and sliding pair key element B II, revolute pair key element on described revolute pair key element C I and the described slide block consists of revolute pair C, and the sliding pair key element on described sliding pair key element B II and the described driving pivoted arm consists of sliding pair B; Described elastic guide rod connects with described slide block by revolute pair C, and described elastic guide rod connects with described driving pivoted arm by sliding pair B.
Preferably, the sliding pair key element on the described driving pivoted arm is female surface, and the sliding pair key element B II of described elastic guide rod is male surface.
Preferably, the sliding pair key element on the described driving pivoted arm is male surface, and the sliding pair key element B II of described elastic guide rod is female surface.
Preferably, the sliding pair key element on the described slide block is female surface or male surface.
The cross section of the revolute pair key element C I that preferably, contacts with described slide block on the described elastic guide rod is for circular.
3. beneficial effect
Than prior art, the invention has the advantages that:
(1) the present invention has designed a kind of elastic guide rod, this elastic guide rod comprises revolute pair key element C I, flat spring K and sliding pair key element B II, elastic guide rod connects with slide block by revolute pair C, elastic guide rod connects with the driving pivoted arm by sliding pair B, the flat spring K that employing has a spring function is that the present invention designs the most ingenious part as the main body of elastic guide rod, can effectively realize driving the large rigidity resilient connection between pivoted arm and the slide block, and consist of the slide-block mechanism with the elastics wing guide rod by driving pivoted arm, elastic guide rod, slide block;
(2) than the mentality of designing of " single-point position drive " of the prior art, " with the multi-point synchronous drive of load balancing mechanism ", the present invention has broken through traditional design, realized under the certain prerequisite of the angular displacement that drives pivoted arm, each slide block in the parallel combined mechanism that is made of elastics wing guide rod slide block can adapt to and respectively steps up the different displacement demand in a position, reach the purpose that multi-point reliably steps up synchronously, and structural design is simple, and manufacturing expense reduces greatly.
Description of drawings
Fig. 1 is the structural representation of sliding rod type elastics wing guide rod slide-block mechanism;
Fig. 2 is three groups of sliding rod type elastics wing guide rod slide block parallel combined mechanism plan views;
Fig. 3 is the axonometric drawing of sliding rod type elastic guide rod;
Fig. 4 is the structural representation of sliding bush type elastics wing guide rod slide-block mechanism;
Fig. 5 is the axonometric drawing of sliding bush type elastic guide rod.
Number in the figure title: 1, drive pivoted arm; 2, elastic guide rod; 3, slide block; 4, frame; 5, be held workpiece.
Embodiment
Below in conjunction with Figure of description and specific embodiment, the present invention is described in detail.
Embodiment 1
What present embodiment 1 designed is sliding rod type elastics wing guide rod slide-block mechanism.Concrete structure is as follows.
As shown in Figure 1, the sliding rod type elastics wing guide rod slide-block mechanism of present embodiment 1 comprises driving pivoted arm 1, elastic guide rod 2, slide block 3 and 4 four constituent elements of frame.
As shown in Figure 3, the main body of elastic guide rod 2 is flat spring K, the left end of flat spring K is provided with revolute pair key element C I, the right-hand member of flat spring K is provided with sliding pair key element B II, revolute pair key element on revolute pair key element C I and the slide block 3 consists of revolute pair C, and sliding pair key element B II consists of sliding pair B with the sliding pair key element that drives on the pivoted arm 1.The revolute pair key element C I that contacts with slide block 3 on the elastic guide rod 2 is for circular.The lower end surface of slide block 3 be held workpiece 5 and contact.
Drive pivoted arm 1 and be installed on the frame 4 by revolute pair A, slide block 3 is installed on the frame 4 by sliding pair D, and elastic guide rod 2 connects with slide block 3, connects with driving pivoted arm 1 by sliding pair B by revolute pair C.
When driving pivoted arm 1 rotates around it secondary A swing, move with the guide passage direction of movable slider 3 along its sliding pair D by elastic guide rod 2, the size H(of the displacement amount of the vertical direction of slide block 3 and frame 4 is that the rotation center of circle of revolute pair A is to the horizontal equivalent of the vertical straight line in place, the center of circle of the circular cross-section of the revolute pair key element C I of elastic guide rod 2), the angular displacement of driving pivoted arm 1 and the stiffness coefficient K(of elastic guide rod 2 can guarantee that 3 pairs of clamping point positions of slide block adapt to and the clamping force demand in the error of its Normal direction because the stiffness coefficient of elastic guide rod 2 is through custom-designed) relevant with the external force F on acting on slide block 3:
Such as Fig. 1, Fig. 3, the sliding pair key element on the driving pivoted arm 1 of present embodiment 1 is female surface, and sliding pair key element B II is male surface.Concrete structure is as follows: the outer surface of the sliding pair key element B II on the elastic guide rod 2 is the cylndrical surface; Such as Fig. 2, drive the sliding pair structural element that pivoted arm 1 is provided with three inner cylindrical surfaces, respectively with three groups of sliding rod type elastics wing guide rod slide-block mechanisms in elastic guide rod 2 on external cylindrical surface sliding pair key element B II match, formation is by the combined mechanism that drives three sliding rod type elastics wings of pivoted arm 1 centralized driving guide rod slide-block mechanism, and the group number of sliding rod type elastics wing guide rod slide-block mechanism can be selected as required.
What present embodiment 2 designed is sliding bush type elastics wing guide rod slide-block mechanism, and its basic system is with embodiment 1.Its difference is, the cross section of the revolute pair key element C I that contacts with described slide block 3 on the elastic guide rod 2 is rectangle, in addition, and as shown in Figure 4 and Figure 5, sliding pair key element on the driving pivoted arm 1 of present embodiment 2 is male surface, and the sliding pair key element B II on the elastic guide rod 2 is female surface.Concrete structure is as follows: such as Fig. 5, the sliding pair key element B II on the elastic guide rod 2 is provided with inner cylindrical surface; Such as Fig. 4, the sliding pair structural element that drives on the pivoted arm 1 is provided with external cylindrical surface, and the two cooperates formation sliding pair B.As required, the group number by sliding bush type elastics wing guide rod slide-block mechanism in the parallel combined mechanism that drives pivoted arm 1 centralized driving is selectable.
In addition, female surface or male surface for the sliding pair key element on the slide block 3 among embodiment 1, the embodiment 2, with above-mentioned sliding pair B, can design according to actual clamping demand, and the sectional shape of slide block 3 also can design conglobate, square, rectangle or other shapes according to actual needs.
Below schematically the invention and mode of execution thereof are described, this description does not have restricted, and shown in the accompanying drawing also is one of mode of execution of the invention, and actual structure is not limited to this.So, if those of ordinary skill in the art is enlightened by it, in the situation that does not break away from this creation aim, without the creationary mode of structure similar to this technological scheme and the embodiment of designing, all should belong to the protection domain of this patent.
Claims (5)
1. elastics wing guide rod slide-block mechanism, it comprises: drive pivoted arm (1), elastic guide rod (2), slide block (3) and frame (4), it is characterized in that: described driving pivoted arm (1) is installed on the described frame (4) by revolute pair A, and described slide block (3) is installed on the described frame (4) by sliding pair D; Described elastic guide rod (2) comprises three parts from left to right successively: revolute pair key element C I, flat spring K and sliding pair key element B II, revolute pair key element on described revolute pair key element C I and the described slide block (3) consists of revolute pair C, and the sliding pair key element on described sliding pair key element B II and the described driving pivoted arm (1) consists of sliding pair B; Described elastic guide rod (2) connects with described slide block (3) by revolute pair C, and described elastic guide rod (2) connects with described driving pivoted arm (1) by sliding pair B.
2. a kind of elastics wing guide rod slide-block mechanism according to claim 1, it is characterized in that: the sliding pair key element on the described driving pivoted arm (1) is female surface, the sliding pair key element B II of described elastic guide rod (2) is male surface.
3. a kind of elastics wing guide rod slide-block mechanism according to claim 1, it is characterized in that: the sliding pair key element on the described driving pivoted arm (1) is male surface, the sliding pair key element B II of described elastic guide rod (2) is female surface.
4. according to claim 2 or 3 described a kind of elastics wing guide rod slide-block mechanisms, it is characterized in that: the sliding pair key element on the described slide block (3) is female surface or male surface.
5. it is characterized in that according to claim 2 or 3 described a kind of elastics wing guide rod slide-block mechanisms: the cross section of the upper revolute pair key element C I that contact with described slide block (3) of described elastic guide rod (2) is circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570893.4A CN103047383B (en) | 2012-12-26 | 2012-12-26 | A kind of elastics wing guide rod slide-block mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210570893.4A CN103047383B (en) | 2012-12-26 | 2012-12-26 | A kind of elastics wing guide rod slide-block mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047383A true CN103047383A (en) | 2013-04-17 |
| CN103047383B CN103047383B (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210570893.4A Expired - Fee Related CN103047383B (en) | 2012-12-26 | 2012-12-26 | A kind of elastics wing guide rod slide-block mechanism |
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| Country | Link |
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| CN (1) | CN103047383B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707101A (en) * | 2013-12-26 | 2014-04-09 | 安庆市南方实业有限公司 | Fixing clamp |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989005210A1 (en) * | 1987-12-05 | 1989-06-15 | Renishaw Plc | Apparatus for changing a sensing device |
| JPH01210285A (en) * | 1988-02-19 | 1989-08-23 | Fuji Electric Co Ltd | Robot hand having grappling force detecting function |
| JPH08216078A (en) * | 1995-02-08 | 1996-08-27 | Fuji Electric Co Ltd | Handling device of assembling jig |
| CN102528498A (en) * | 2012-01-04 | 2012-07-04 | 南昌大学 | Wire-electrode cutting clamp for hemispheric workpiece |
| CN203035872U (en) * | 2012-12-26 | 2013-07-03 | 南京工程学院 | Elastic oscillating guide bar and slider mechanism |
-
2012
- 2012-12-26 CN CN201210570893.4A patent/CN103047383B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1989005210A1 (en) * | 1987-12-05 | 1989-06-15 | Renishaw Plc | Apparatus for changing a sensing device |
| JPH01210285A (en) * | 1988-02-19 | 1989-08-23 | Fuji Electric Co Ltd | Robot hand having grappling force detecting function |
| JPH08216078A (en) * | 1995-02-08 | 1996-08-27 | Fuji Electric Co Ltd | Handling device of assembling jig |
| CN102528498A (en) * | 2012-01-04 | 2012-07-04 | 南昌大学 | Wire-electrode cutting clamp for hemispheric workpiece |
| CN203035872U (en) * | 2012-12-26 | 2013-07-03 | 南京工程学院 | Elastic oscillating guide bar and slider mechanism |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103707101A (en) * | 2013-12-26 | 2014-04-09 | 安庆市南方实业有限公司 | Fixing clamp |
| CN103707101B (en) * | 2013-12-26 | 2016-03-16 | 安庆市南方实业有限公司 | A kind of stationary fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103047383B (en) | 2015-11-04 |
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Granted publication date: 20151104 Termination date: 20201226 |
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