CN201922257U - Two-freedom parallel machine tool - Google Patents
Two-freedom parallel machine tool Download PDFInfo
- Publication number
- CN201922257U CN201922257U CN2010206740558U CN201020674055U CN201922257U CN 201922257 U CN201922257 U CN 201922257U CN 2010206740558 U CN2010206740558 U CN 2010206740558U CN 201020674055 U CN201020674055 U CN 201020674055U CN 201922257 U CN201922257 U CN 201922257U
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- Prior art keywords
- connecting rod
- motor
- platform
- slide block
- interlock
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
A two-freedom parallel machine tool comprises a base and a parallel mechanism erected on the base, wherein the base consists of a bottom plate and support columns perpendicular to the bottom plate. The parallel mechanism includes a beam, motors, guide rails, sliders, connecting rods and a platform, wherein the beam is fixed onto the support columns of the base, the motors and the guide rails are fixed onto the beam, the sliders in linkage with the corresponding motors slide vertically along the corresponding guide rails, the connecting rods are in linkage with the sliders, and the platform is in linkage with the connecting rods. The first motor, the second motor and the third motor are arranged on the beam; each motor corresponds to one guide rail and slider combination; each slider is connected with one connecting rod; the first connecting rod in linkage with the first motor is positioned between the second connecting rod and the third connecting rod; the second connecting rod is in linkage with the second motor; the third connecting rod is in linkage with the third motor; both the first connecting rod and the second connecting rod are hinged with the platform; and the third connecting rod is hinged with the middle of the first connecting rod. The two-freedom parallel machine tool has the advantages of fine bearing capacity, excellent processing and assembling manufacturability, compact mechanism and high precision and rigidity.
Description
Technical field
The utility model relates to a kind of two free parallel machines.
Technical background
Parallel robot has compact conformation, big, the precision advantages of higher of rigidity, has been subjected to the attention of Chinese scholars, has waited until in fields such as machining, space flight and aviation and material handling letter sortings widely and has used.
At present, majority two-freedom travel mechanism adopts the parallelogram branched structure to realize that the two-freedom of terminal platform moves, as CN1628939A, CN2700064Y, CN2693428Y, CN1715009A and CN2741730Y, these schemes can move by the implementation space two-freedom, its direction that moves both vertically stressed less, and each moving link is yielding, and rigidity is less.CN1718574A proposes to increase by two bound branch structures, does not fundamentally improve the low problem of its vertical plane rigidity, and its control difficulty is bigger.Peng Binbin has proposed a kind of two-freedom translation robot, and this mechanism adopts the ball pivot form, and each motion rod member tilts to install, and its processing is relatively poor with assembly process process.
The utility model content
For overcoming the above-mentioned shortcoming of prior art, the utility model provides a kind of bearing capacity good, and processing and assembling is good, mechanism's compactness, the high and two big free parallel machines of rigidity of precision.
A kind of two free parallel machines comprise the pedestal of forming by base plate with perpendicular to the support column of base plate and are set up in parallel institution on the pedestal;
Described parallel institution comprises the crossbeam that is fixed on the base supports post, is fixed in motor and guide rail on the crossbeam, the slide block that slides up and down with the motor interlock, along guide rail, with the connecting rod of slide block interlock and with the platform of connecting rod interlock;
Described crossbeam is provided with first motor, second motor and the 3rd motor, and each motor is corresponding to a guide rail and slide block combination, and each slide block connects a connecting rod; And the head rod of the described first motor interlock and second connecting rod of the described second motor interlock and and the 3rd connecting rod of described the 3rd motor interlock between, described head rod and described second connecting rod are all hinged with described platform, and the middle part of described the 3rd connecting rod and described head rod is hinged.
Further, described first motor, second motor and the 3rd motor are linear electric motors.
Further, the hinged end of described connecting rod all is the U type, and described slide block or platform embed in the U type opening of connecting rod hinged end, and a bearing pin is arranged in connecting rod and slide block or connecting rod and the platform.
Technical conceive of the present utility model is: the utility model is controlled corresponding connecting rod respectively by three motors.When first, second motor drove on the slide block corresponding with it simultaneously or move down, whole platform was elevated or reduces.Only on its corresponding slide block of second motor-driven or down during motion, platform is that fulcrum is swung up or down with the interface point of itself and head rod.When only its corresponding slide block of first motor-driven moved up or down, platform was that fulcrum is swung up or down with the interface point of itself and second connecting rod, and this moment platform under the effect of the 3rd connecting rod, by a small margin to the right or swing left.When its corresponding slide block of the 3rd motor-driven moved up or down, the 3rd connecting rod drove head rod and swings to the left or to the right, and platform is swing to the left or to the right therefore.
Three motors of the present utility model work alone, thus the motion up and down in same plane of implementation platform.
Hinged place of the present utility model all directly wears with bearing pin, has assembling simply, the advantage that bearing capacity is big.
It is good to the utlity model has bearing capacity, and processing and assembling is good, mechanism's compactness, the high and big advantage of rigidity of precision.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model.
The specific embodiment
With reference to accompanying drawing, further specify the utility model:
A kind of two free parallel machines comprise the pedestal of forming by base plate 11 with perpendicular to the support column 12 of base plate 11 1 and are set up in parallel institution on the pedestal 1;
Described parallel institution comprises the crossbeam 2 that is fixed on the base supports post, is fixed in motor and guide rail on the crossbeam 2, the slide block that slides up and down with the motor interlock, along guide rail, with the connecting rod of slide block interlock and with the platform of connecting rod interlock;
Described crossbeam is provided with first motor 31, second motor 32 and the 3rd motor 33, and each motor is corresponding to a guide rail 5 and slide block 6 combinations, and each slide block 6 connects a connecting rod; And the head rod 41 of described first motor, 31 interlocks and second connecting rod 42 of described second motor, 32 interlocks and and the 3rd connecting rod 43 of described the 3rd motor 33 interlocks between, described head rod 41 and described second connecting rod 42 are all hinged with described platform 7, and the middle part of described the 3rd connecting rod 43 and described head rod 41 is hinged.
Described first motor 31, second motor 32 and the 3rd motor 33 are linear electric motors.
The hinged end of described connecting rod 41,42,43 all is the U type, and described slide block 6 or platform 7 embed in the U type opening of connecting rod hinged end, and a bearing pin is arranged in connecting rod and slide block or connecting rod and the platform.
Technical conceive of the present utility model is: the utility model is controlled corresponding connecting rod respectively by three motors.When first, second motor 31,32 drove on the slide block corresponding with it simultaneously or move down, whole platform 7 was elevated or reduces.Only second motor 32 drives on its corresponding slide blocks or down during motion, and platform 7 is that fulcrum is swung up or down with the interface point of itself and head rod 41.When only first motor 31 drove its corresponding slide blocks and moves up or down, platform 7 was that fulcrum is swung up or down with its interface point with second connecting rod 42, and this moment platform 7 under the effect of the 3rd connecting rod 43, swing to the right or left by a small margin.When the 3rd motor 33 its corresponding slide blocks of driving moved up or down, the 3rd connecting rod 43 drove head rods 41 and swings to the left or to the right, and platform 7 is swing to the left or to the right therefore.
Three motors of the present utility model work alone, thus the motion up and down in same plane of implementation platform 7.
Hinged place of the present utility model all directly wears with bearing pin, has assembling simply, the advantage that bearing capacity is big.
The described content of this specification embodiment only is enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (3)
1. free parallel machine is characterized in that: comprise the pedestal of forming by base plate with perpendicular to the support column of base plate and be set up in parallel institution on the pedestal;
Described parallel institution comprises the crossbeam that is fixed on the base supports post, is fixed in motor and guide rail on the crossbeam, the slide block that slides up and down with the motor interlock, along guide rail, with the connecting rod of slide block interlock and with the platform of connecting rod interlock;
Described crossbeam is provided with first motor, second motor and the 3rd motor, and each motor is corresponding to a guide rail and slide block combination, and each slide block connects a connecting rod; And the head rod of the described first motor interlock and second connecting rod of the described second motor interlock and and the 3rd connecting rod of described the 3rd motor interlock between, described head rod and described second connecting rod are all hinged with described platform, and the middle part of described the 3rd connecting rod and described head rod is hinged.
2. as claimed in claim 1 two free parallel machines is characterized in that: described first motor, second motor and the 3rd motor are linear electric motors.
3. as claimed in claim 1 or 2 two free parallel machines, it is characterized in that: the hinged end of described connecting rod all is the U type, described slide block or platform embed in the U type opening of connecting rod hinged end, and a bearing pin is arranged in connecting rod and slide block or connecting rod and the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206740558U CN201922257U (en) | 2010-12-22 | 2010-12-22 | Two-freedom parallel machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206740558U CN201922257U (en) | 2010-12-22 | 2010-12-22 | Two-freedom parallel machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201922257U true CN201922257U (en) | 2011-08-10 |
Family
ID=44426126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206740558U Expired - Fee Related CN201922257U (en) | 2010-12-22 | 2010-12-22 | Two-freedom parallel machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201922257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069394A (en) * | 2010-12-22 | 2011-05-25 | 浙江工业大学 | Two-freedom parallel machine tool |
-
2010
- 2010-12-22 CN CN2010206740558U patent/CN201922257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069394A (en) * | 2010-12-22 | 2011-05-25 | 浙江工业大学 | Two-freedom parallel machine tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20131222 |