CN201862510U - Combined spraying robot based on planar three-degree-of-freedom parallel mechanism - Google Patents

Combined spraying robot based on planar three-degree-of-freedom parallel mechanism Download PDF

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Publication number
CN201862510U
CN201862510U CN2010205690299U CN201020569029U CN201862510U CN 201862510 U CN201862510 U CN 201862510U CN 2010205690299 U CN2010205690299 U CN 2010205690299U CN 201020569029 U CN201020569029 U CN 201020569029U CN 201862510 U CN201862510 U CN 201862510U
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China
Prior art keywords
spraying
chain
connect
rod
mobile
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Expired - Lifetime
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CN2010205690299U
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Chinese (zh)
Inventor
仇洪根
刘辛军
王立平
谢福贵
陈祥
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Jiangsu Changhong Automobile Equipment Group Co Ltd
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Jiangsu Changhong Automobile Equipment Group Co Ltd
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Abstract

The utility model relates to a combined spraying robot based on a planar three-degree-of-freedom parallel mechanism. The combined spraying robot comprises a gantry frame and four spraying modular units, wherein each spraying modular unit is formed by a planar three-degree-of-freedom parallel robot mounted on the gantry frame; a first spraying module and a second spraying module are identical in structure and symmetrically mounted on two upright posts of the gantry frame respectively; a third spraying module and a fourth spraying module are identical in structure and fixedly connected onto respective moving slide blocks respectively; the moving slide blocks are connected with an upper cross beam of the gantry frame through sliding pairs and can horizontally reciprocate on an upper cross beam guide rail; the gantry frame can horizontally move on horizontal guide rails; and through the combination of the horizontal movement of the gantry frame and the movement of the spraying modular units, the position and orientation of the jet head of each spraying modular unit can be controlled, so as to complete spraying operations on an entire part to be sprayed. The combined spraying robot has the advantages of symmetric structure, good mobility, high precision and rigidity, easiness in manufacture, convenience for control, easiness in realization of modularization and high degree of flexibility, and can be used for performing spraying operations on different complete automobiles.

Description

Combination spray robot based on the planar three freedom parallel institution
Technical field
The utility model relates to mechanical manufacturing field, is specifically related to a kind of modular combination spray robot that can be applied to the vehicle complete vehicle spraying.
Background technology
Along with developing rapidly of Hyundai Motor industry, the continuous adjustment of automobile model and car body design, domestic automobile production to extensive, high-quality and cheaply direction develop, the body of a motor car spraying is one of topmost production technology in the automobile making, it not only can improve the corrosion resistance of automobile product, prolong automotive service life, it has also the most directly embodied the quality of automobile-exterior face look, gloss and brightness quality, be that people estimate the most intuitively to car mass, so it is to the most direct influence that has of automobile market competitiveness.Under this background, traditional hand spray can't satisfy the requirement of most of car load factory car body coating, spraying technology having developed into robot of today from the spraying of hand spray, semi-automatic spray gun and spray automatically step by step has only the production requirement of adopting robot could adapt to this frequent variations.The effect of robot is the control spray gun, makes it in spraying process to keep correct angle and constant distance with sprayed surface.Up to the present, spray robot has become one of maximum industrial robot of utilization on the domestic market.
Spray robot becomes auto industry spray-painting production line and preferred unit, yet because the limitation of China's industrial robot technology, the spray robot of independent research often exists precision not enough, the shortcoming that control ability is low, the most of automobile coating production lines of China are still adopting automatic spraying machine equipment at present, the automatic spraying robot major part that minority enterprise is adopted all is from external equipment manufacturers, these equipment of package import not only cost an arm and a leg, and maintenance cost height, in case equipment breaks down, maintenance cycle is longer, might cause the stopping production of whole production line what is more in the maintenance period, cause the huge wasting of resources of enterprise and property loss, therefore realize the production domesticization of automatic electrostatic coating equipment, raising is to the research level of spray robot, and the technical monopoly of breaking foreign vendor becomes the current problem of needing solution badly, and this is significant for China robot industry and automobile industry.
Find that by investigation the conventional spray paint robot that has now used all is the serial machine people who adopts copy man arm, by making rational planning for of movement locus finished the automatic spraying operation.But because the restriction of China's manufacturing industry overall technology level, so far fail serial machine people's the not high problem of precision is made substantial breakthrough, the control of tandem spray robot is relatively complicated, and this tandem robot is difficult to obtain intellectual property and breaks through because version is single.
Parallel institution is the closed loop mechanism that is made of a plurality of side chains, have the following advantages with respect to traditional serial mechanism: simple and compact for structure, rigidity is high, big, the error free accumulation of bearing capacity on the Unit Weight, heavy moving parts are little, be easy to realize high-speed motion, track is easy to advantages such as control.These advantages have remedied the deficiency of serial mechanism to a certain extent.
The utility model content
In order to address the above problem, the utility model is designed the modular combination spray robot based on the planar three freedom parallel institution that a kind of convenience is made, is easy to control, this assembly robot has the advantage of parallel institution and serial mechanism simultaneously, more can adapt to vehicle complete vehicle spraying operation task.
The utility model provides a kind of combination spray robot based on the planar three freedom parallel institution, it comprises a gantry stand and four spraying operation modular units, described spraying operation modular unit constitutes by the planar three freedom parallel robot that is installed on the gantry stand, described spraying operation modular unit comprises the first spraying operation module, the second spraying operation module, the 3rd spraying operation module and the 4th spraying operation module, the described first spraying operation module is identical with the second spraying operation modular structure, and symmetry is installed on two columns of gantry stand respectively; Described the 3rd spraying operation module is identical with the 4th spraying operation modular structure, be fixed in respectively on the motion slide block separately, the entablature of described motion slide block and gantry stand is connected by moving sets, can be implemented on the entablature guide rail and back and forth move horizontally, described gantry stand can be realized moving horizontally on horizontal guide rail, combine with the motion of described spraying operation modular unit by horizontal movement gantry stand, can control the pose of the shower nozzle of each spray module unit, thereby finish spraying operation whole part to be sprayed.
Combination spray robot described in the utility model, wherein the first spraying operation module and the second spraying operation module all are 3-dof parallel robots, all has frame, left side chain and right side chain between moving platform support and connection frame and the moving platform support, and connect rotation side chain between right side chain and the moving platform support, described left side chain and right branched structure symmetry, wherein left side chain comprises left connecting rod, the left slider and the first kinematic pair group, the described first kinematic pair group is made up of three kinematic pairs: connect the revolute pair between frame and the left slider, connect the moving sets between left slider and the left connecting rod, connect the revolute pair between left connecting rod and the moving platform support; Right side chain comprises right connecting rod, the right slide block and the second kinematic pair group, the described second kinematic pair group is made up of three kinematic pairs: connect the revolute pair between frame and the right slide block, connect the moving sets between right slide block and the right connecting rod, connect the revolute pair between right connecting rod and the moving platform support, described rotation side chain comprises turning block, pivot link and the 3rd kinematic pair group, described the 3rd kinematic pair group is made up of three kinematic pairs: connect the revolute pair between the right connecting rod in turning block and the right side chain, connect the moving sets between turning block and the pivot link, connect the revolute pair between pivot link and the moving platform support.
Combination spray robot described in the utility model, the position of the moving platform support of wherein left side chain and right side chain control installation side atomizer is rotated side chain and is controlled the attitude of the moving platform support that the side atomizer is installed to realize an one rotational freedom to realize two one-movement-freedom-degree.
Combination spray robot described in the utility model, wherein the 3rd spraying operation module and the 4th spraying operation module all are 3-dof parallel robots, all has the motion frame, moving platform, connect the mobile left side chain between motion frame and the moving platform and move right side chain, connect the rotation left side side chain that moves between left side chain and the hinged block, connect the right side chain of the rotation of moving between right side chain and the hinged block, described mobile left side chain comprises mobile left slider, move left connecting rod and kinematic pair group I, described kinematic pair group I is made up of three kinematic pairs: connect the revolute pair between mobile left slider and the motion frame, connect the moving sets between mobile left slider and the mobile left connecting rod, connect the revolute pair that moves between left connecting rod and the moving platform; Described mobile right side chain comprises mobile right slide block, mobile right connecting rod and kinematic pair group II, described kinematic pair group II is made up of three kinematic pairs: connect the revolute pair that moves between right slide block and the motion frame, connect the moving sets that moves between right slide block and the mobile right connecting rod, connect the revolute pair between mobile right connecting rod and the moving platform, the left side chain of described rotation comprises the rotation left slider, rotate left connecting rod and kinematic pair group III, described kinematic pair group III is made up of three kinematic pairs: connect the revolute pair of rotating between left slider and the mobile left connecting rod, connect to rotate left slider and rotate moving sets between the left connecting rod, connect the revolute pair of rotating between left connecting rod and the hinged block; The right side chain of described rotation comprises the right slide block of rotation, rotation right connecting rod and kinematic pair group IV, and described kinematic pair group IV is made up of three kinematic pairs: the revolute pair between right slide block and the mobile right connecting rod is rotated in connection, the revolute pair between right connecting rod and the hinged block is rotated in moving sets, the connection that connects between right slide block of rotation and the rotation right connecting rod.
Connect by moving sets between moving platform in the utility model and the hinged block, the top atomizer is installed on the moving platform, two one-movement-freedom-degree is realized in the position of mobile left side chain and mobile right side chain control moving platform, and the attitude of rotating the right side chain control of left side chain and rotation moving platform is with a realization one rotational freedom.
Four spraying operation modules in the utility model structurally can be identical.
Combination spray robot described in the utility model can be used for the spraying operation of vehicle complete vehicle.
The combination spray robot of mentioning in the utility model based on the planar three freedom parallel institution has following advantage: (1) symmetrical configuration, be easy to make, and cost is lower, easier realization modularization processing; (2) its speed is fast, flexibility good; (3) with respect to the easier control of serial mechanism, deposition accuracies is easy to guarantee; (4) working space is big, can realize moving on a large scale on guide rail; (5) flexible degree height can adapt to the spraying operation environment of different vehicle complete vehicles, more can increase the spraying operation unit module as required.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the 3rd, the 4th spraying operation module diagram of the utility model embodiment 1;
Fig. 3 is first, second spraying operation module diagram of the utility model embodiment 1;
Among the figure, 1.-first spraying operation module, 2.-the 4th spraying operation module, 3.-the 3rd spraying operation module, 4.-second spraying operation module, 15-base plate, 16-horizontal guide rail, 17-gantry stand, 18-the 3rd spraying operation block motion slide block, 19-entablature guide rail, 110-the 4th spraying operation block motion slide block, 111-automobile to be sprayed, 112-horizontal guide rail; 21-moving platform, 22-rotate right slide block, 23-and rotate right connecting rod, 24-and move right slide block, 25-and move right connecting rod, 26-motion frame, 27-and move left slider, 28-and move that left connecting rod, 29-rotate left connecting rod, 210-rotates left slider, 211-hinged block, 212-top atomizer; 31-moving platform support, 32-pivot link, 33-turning block, 34-right connecting rod, the right slide block of 35-, 36-frame, 37-left slider, 38-left side connecting rod, 39-side atomizer.
The specific embodiment
The modular combination automobile complete machine spray robot that the utility model proposes based on plane parallel mechanism, 1-3 and embodiment are described in detail as follows in conjunction with the accompanying drawings:
As shown in Figure 1, be a kind of vehicle complete vehicle to be finished the combination spray robot of automatic spraying operation, it comprises a gantry stand 17 and four spraying operation modular units.Described spraying operation module be respectively the first spraying operation module 1., the 4th spraying operation module 2., the 3rd spraying operation module 3., the second spraying operation module 4., these four spraying operation modular units all are planar three freedom parallel robots.Wherein, 1. 4. structure is identical with the second spraying operation module for the first spraying operation module, and symmetry is installed on two columns of gantry stand 17 respectively; 3. 2. structure is also identical with the 4th spraying operation module for described the 3rd spraying operation module, be fixedly connected on respectively on the 3rd spraying operation block motion slide block 18 and the 4th spraying operation block motion slide block 110, described motion slide block 18,110 is connected by moving sets with the entablature guide rail 19 of gantry stand 17 respectively, just can be implemented in moving horizontally on the entablature guide rail 19.This gantry stand 17 is movably, and it can realize moving horizontally on a large scale on horizontal guide rail 16,112.Combine with the motion of four spraying operation modular units by horizontal movement, can control the pose of the shower nozzle of each spray module unit, finish the car load spraying operation for the treatment of spray car 111 gantry stand 17.
As shown in Figure 2,3. 2. structure is identical with the 4th spraying operation module for the 3rd spraying operation module, it all is the planar three freedom parallel robot, include: the rotation left side side chain between left side chain and the hinged block is moved in the mobile left side chain of the symmetry between motion frame 26, moving platform 21 and connection motion frame 26 and the moving platform 21 and mobile right side chain and connection, the rotation right side side chain between mobile right side chain of connection and the hinged block.Described mobile left side chain comprises: mobile left slider 27, mobile left connecting rod 28 and kinematic pair group I, described kinematic pair group I is made up of three kinematic pairs: connect the revolute pair between mobile left slider 27 and the motion frame 26, connect the moving sets between mobile left slider 27 and the mobile left connecting rod 28, connect the revolute pair that moves between left connecting rod 28 and the moving platform 21; Described mobile right side chain comprises: move right slide block 24, mobile right connecting rod 25 and kinematic pair group II, described kinematic pair group II is made up of three kinematic pairs: connect the revolute pair that moves between right slide block 24 and the motion frame 26, connect the moving sets that moves between right slide block 24 and the mobile right connecting rod 25, connect the revolute pair between mobile right connecting rod 25 and the moving platform 21.The left side chain of described rotation comprises: rotate left slider 210, rotate left connecting rod 29, reach kinematic pair group III, described kinematic pair group III is made up of three kinematic pairs: connect the revolute pair of rotating between left slider 210 and the mobile left connecting rod 28, connect to rotate left slider 210 and rotate moving sets between the left connecting rod 29, connect the revolute pair of rotating between left connecting rod 29 and the hinged block 211; The right side chain of described rotation comprises: rotate right slide block 22, rotate right connecting rod 23, reach kinematic pair group IV, described kinematic pair group IV is made up of three kinematic pairs: connect the revolute pair of rotating between right slide block 22 and the mobile right connecting rod 25, connect the moving sets that rotates between right slide block 22 and the rotation right connecting rod 23, connect the revolute pair of rotating between right connecting rod 23 and the hinged block 211.Wherein connect by moving sets between moving platform 21 and the hinged block 211, top atomizer 212 is installed on the moving platform 21.Constitute first group of planar three freedom parallel robot together by above-mentioned motion frame 26, moving platform 21 and mobile left and right side chain, the left and right side chain of rotation, the attitude (rotational freedom) that left and right side chain is controlled moving platform 21 is rotated in the position (two one-movement-freedom-degrees) of wherein moving left side chain and moving right side chain control moving platform 21.
As shown in Figure 3,1. 4. structure is identical with the second spraying operation module for the first spraying operation module, all are planar three freedom parallel robots, include: frame 36, moving platform support 31 and connect left side chain and the right side chain between frame 36 and the moving platform support 31 and connect right side chain and moving platform support 31 between the rotation side chain.Described left side chain, right branched structure symmetry, wherein left side chain comprises: left connecting rod 38, left slider 37, and the first kinematic pair group, the described first kinematic pair group is made up of three kinematic pairs: connect the revolute pair between frame 36 and the left slider 37, connect the revolute pair between moving sets, the left connecting rod 38 of connection and the moving platform support 31 between left slider 37 and the left connecting rod 38; Right side chain comprises: right connecting rod 34, right slide block 35 and the second kinematic pair group, the described second kinematic pair group is made up of three kinematic pairs: connect the revolute pair between frame 36 and the right slide block 35, connect the revolute pair between moving sets, connection right connecting rod 34 and the moving platform support 31 between right slide block 35 and the right connecting rod 34.Described rotation side chain comprises: turning block 33, pivot link 32, and the 3rd kinematic pair group, described the 3rd kinematic pair group is made up of three kinematic pairs: connect revolute pair between the right connecting rod 34 in turning block 33 and the right side chain, connect the revolute pair between moving sets, connection pivot link 32 and the moving platform support 31 between turning block 33 and the pivot link 32.Constituted second group of planar three freedom parallel robot together by above-mentioned frame 36, moving platform support 31 and left side chain, right side chain, rotation side chain, the attitude (rotational freedom) that the moving platform support 31 of side atomizer 39 is installed in side chain control is rotated in the position (two one-movement-freedom-degrees) that the moving platform support 31 of side atomizer 39 is installed in wherein left and right side chain control.
During work, automobile 111 to be sprayed at the uniform velocity moves horizontally on base plate 15 by drag chain, and the gantry stand 17 that four spraying operation modules are installed moves back and forth on horizontal guide rail 112,16.By the horizontal movement of gantry stand 17 and the mechanism kinematic of four symmetrical spraying operation modules of placing are combined, can finish spraying operation to the overwhelming majority's vehicle complete vehicle.
In another embodiment of the present utility model, first group of planar three freedom mechanism and second group of planar three freedom mechanism are identical, and the structure of promptly described four spraying operation modules is identical.
In this embodiment, four spraying operation modules have been installed on the gantry stand, be understandable that, those skilled in the art can not exceed under the condition of the present utility model, suitably adjust the quantity of spraying operation module, and overall structure carried out conspicuous replacement or modification, adapt to the spraying operation environment of the automobile to be sprayed of difformity and specification.

Claims (6)

1. combination spray robot based on the planar three freedom parallel institution, it comprises a gantry stand and four spraying operation modular units, described spraying operation modular unit constitutes by the planar three freedom parallel robot that is installed on the gantry stand, described spraying operation modular unit comprises the first spraying operation module, the second spraying operation module, the 3rd spraying operation module and the 4th spraying operation module, the described first spraying operation module is identical with the second spraying operation modular structure, and symmetry is installed on two columns of gantry stand respectively; Described the 3rd spraying operation module is identical with the 4th spraying operation modular structure, be fixed in respectively on the motion slide block separately, the entablature of described motion slide block and gantry stand is connected by moving sets, can be implemented on the entablature guide rail and back and forth move horizontally, described gantry stand can be realized moving horizontally on horizontal guide rail, combine with the motion of described spraying operation modular unit by horizontal movement gantry stand, can control the pose of the shower nozzle of each spray module unit, thereby finish spraying operation whole part to be sprayed.
2. combination spray robot as claimed in claim 1, wherein the first spraying operation module and the second spraying operation module all are 3-dof parallel robots, all has frame, left side chain and right side chain between moving platform support and connection frame and the moving platform support, and connect rotation side chain between right side chain and the moving platform support, described left side chain and right branched structure symmetry, wherein left side chain comprises left connecting rod, the left slider and the first kinematic pair group, the described first kinematic pair group is made up of three kinematic pairs: connect the revolute pair between frame and the left slider, connect the moving sets between left slider and the left connecting rod, connect the revolute pair between left connecting rod and the moving platform support; Right side chain comprises right connecting rod, the right slide block and the second kinematic pair group, the described second kinematic pair group is made up of three kinematic pairs: connect the revolute pair between frame and the right slide block, connect the moving sets between right slide block and the right connecting rod, connect the revolute pair between right connecting rod and the moving platform support, described rotation side chain comprises turning block, pivot link and the 3rd kinematic pair group, described the 3rd kinematic pair group is made up of three kinematic pairs: connect the revolute pair between the right connecting rod in turning block and the right side chain, connect the moving sets between turning block and the pivot link, connect the revolute pair between pivot link and the moving platform support.
3. combination spray robot as claimed in claim 2, the position of the moving platform support of wherein left side chain and right side chain control side installation atomizer is rotated side chain and is controlled the attitude of the moving platform support that the side atomizer is installed to realize an one rotational freedom to realize two one-movement-freedom-degree.
4. combination spray robot as claimed in claim 1, wherein the 3rd spraying operation module and the 4th spraying operation module all are 3-dof parallel robots, all has the motion frame, moving platform, connect the mobile left side chain between motion frame and the moving platform and move right side chain, connect the rotation left side side chain that moves between left side chain and the hinged block, connect the right side chain of the rotation of moving between right side chain and the hinged block, described mobile left side chain comprises mobile left slider, move left connecting rod and kinematic pair group I, described kinematic pair group I is made up of three kinematic pairs: connect the revolute pair between mobile left slider and the motion frame, connect the moving sets between mobile left slider and the mobile left connecting rod, connect the revolute pair that moves between left connecting rod and the moving platform; Described mobile right side chain comprises mobile right slide block, mobile right connecting rod and kinematic pair group II, described kinematic pair group II is made up of three kinematic pairs: connect the revolute pair that moves between right slide block and the motion frame, connect the moving sets that moves between right slide block and the mobile right connecting rod, connect the revolute pair between mobile right connecting rod and the moving platform, the left side chain of described rotation comprises the rotation left slider, rotate left connecting rod and kinematic pair group III, described kinematic pair group III is made up of three kinematic pairs: connect the revolute pair of rotating between left slider and the mobile left connecting rod, connect to rotate left slider and rotate moving sets between the left connecting rod, connect the revolute pair of rotating between left connecting rod and the hinged block; The right side chain of described rotation comprises the right slide block of rotation, rotation right connecting rod and kinematic pair group IV, and described kinematic pair group IV is made up of three kinematic pairs: the revolute pair between right slide block and the mobile right connecting rod is rotated in connection, the revolute pair between right connecting rod and the hinged block is rotated in moving sets, the connection that connects between right slide block of rotation and the rotation right connecting rod.
5. combination spray robot as claimed in claim 4, wherein connect by moving sets between moving platform and the hinged block, the top atomizer is installed on the moving platform, two one-movement-freedom-degree is realized in the position of mobile left side chain and mobile right side chain control moving platform, and the attitude of rotating the right side chain control of left side chain and rotation moving platform is with a realization one rotational freedom.
6. combination spray robot as claimed in claim 1, wherein four spraying operation modules structurally can be identical.
CN2010205690299U 2010-10-15 2010-10-15 Combined spraying robot based on planar three-degree-of-freedom parallel mechanism Expired - Lifetime CN201862510U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101966504A (en) * 2010-10-15 2011-02-09 江苏长虹涂装机械有限公司 Combined spraying robot based on planar three-freedom-degree parallel mechanism
CN104589311A (en) * 2015-01-13 2015-05-06 清华大学 Hybrid robot device used for automotive body spraying
CN104841594A (en) * 2015-05-14 2015-08-19 谢娟 Chimney internal surface vertically-slid paint spraying frame

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101966504A (en) * 2010-10-15 2011-02-09 江苏长虹涂装机械有限公司 Combined spraying robot based on planar three-freedom-degree parallel mechanism
CN101966504B (en) * 2010-10-15 2012-11-28 江苏长虹汽车装备集团有限公司 Combined spraying robot based on planar three-freedom-degree parallel mechanism
CN104589311A (en) * 2015-01-13 2015-05-06 清华大学 Hybrid robot device used for automotive body spraying
CN104589311B (en) * 2015-01-13 2016-08-24 清华大学 A kind of series-parallel robot device for body of a motor car spraying
CN104841594A (en) * 2015-05-14 2015-08-19 谢娟 Chimney internal surface vertically-slid paint spraying frame

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