CN201346735Y

CN201346735Y - Polishing machine with improved series-parallel moving device

Info

Publication number: CN201346735Y
Application number: CNU2009200665974U
Authority: CN
Inventors: 孙勇
Original assignee: Shanghai Roddex Bath Hardware Co Ltd
Current assignee: Shanghai Roddex Bath Hardware Co Ltd
Priority date: 2009-01-07
Filing date: 2009-01-07
Publication date: 2009-11-18
Anticipated expiration: 2019-01-07

Abstract

The utility model relates to the technical field of polishing machines, in particular to a polishing machine with an improved series-parallel moving device; based on the prior three-slide plate fixed-rod length mechanism, three- free-degree universal hinges at the ends of two equal fixing rods in each group are improved to be different horizontal heights; the lateral force resistance and the capability of bending moment of a moving platform are improved; and another three rotating shafts are connected in series below the moving platform, so that workpieces can move at six free degrees. Compared with the prior art, the utility model solves the difficult problem of low-cost and automatic polishing machine, particularly realizes the rough polishing and fine polishing automation of water taps with special multidimensional curved surfaces in complex artistic shapes, and realizes the unmanned operation manufacture.

Description

A kind of polishing machine that improves the series parallel movement device

[technical field]

The utility model relates to the polishing machine technical field, specifically a kind of polishing machine that improves the series parallel movement device.

[background technology]

The polishing of existing bathroom faucet, be with manually on belt sander and cloth turbine polishing, its shortcoming be that copper powder dirt is big, harmful because the polishing frictional heating is very hot, this method injury human body, physical demands greatly, inefficiency.

Adopt six general joint one armed robots in addition, the configuration jaw, catch workpiece, give surface finish on belt sander and cloth wheel, but efficient and manual polishing are quite, robot costs an arm and a leg, use cost is high, enterprise's one-time investment is too big, and particularly for the very low small lot variation product of interest rate, its investment is reclaimed extremely slow.

[summary of the invention]

The purpose of this utility model is in order to overcome the deficiencies in the prior art, on the basis of the long parallel institution of existing three slide plate fixed bars, the Three Degree Of Freedom universal coupling of two isometric fixed bar one ends in every group is improved to differentiated levels, has improved motion platform lateral force resistance and moment of flexure ability; And below its motion platform, string has in addition three gyroaxises, makes workpiece can carry out the six-freedom degree motion, carries out on belt sander and burlap wheel that automation is thick, finishing polish.

For achieving the above object, a kind of polishing machine that improves the series parallel movement device of design, comprise motion, polissoir, it is characterized in that motion is: be the bottom of fixing a root post 2 on three corner positions of positive triangle respectively on the base 1, adopt pull bar 3 to connect between the top of three root posts 2, the medial surface of every root post 2 longitudinally is provided with two rolling guides 6, four guideway slide block 7 one ends adopt slide plates 8 to be fixed into rectangle, the other end of four guideway slide blocks 7 in twos one group place respectively in two rolling guides 6; Be provided with ball-screw nut 9 in the middle of the slide plate 8, ball-screw nut 9 couplings have ball-screw 10, ball-screw 10 place near to the upper end adopt lead screw shaft bearing 11 to be fixed on column 2 inboards, synchronous pulley 12 is equipped with on the top of ball-screw 10, the outside, column 2 upper ends is provided with servomotor 15, servomotor 15 output shafts connect another synchronous pulley 14 vertically upward, and synchronous pulley 12 and another synchronous pulley 14 outer employings of being in same horizontal plane are with 13 to link synchronously; Adopt two Three Degree Of Freedom universal couplings 16 to connect two upper ends respectively on slide plate 8 sides with the fixed bar 17 of length at differentiated levels, the lower end of fixed bar 17 also adopts Three Degree Of Freedom universal coupling 16 ' to be connected on the motion platform 18, motion platform 18 centers are provided with another servomotor 19, the output shaft of another servomotor 19 belows inserts in the axis hole of reducing motor 20, and the upper surface of reducing motor 20 is fixed on the lower surface of motion platform 18, the lower surface of reducing motor 20 is fixed with vertically to rotating shaft 21, rotating shaft 21 Lower Halves are provided with lateral aperture, another reducing motor 22 is housed in the lateral aperture, the output shaft that inserts another servomotor 23 in the axis hole of the right-hand member of another reducing motor 22 is also fixedly connected, the left side of another reducing motor 22 is fixed with level to turning arm 24, the left end of turning arm 24 is provided with upright opening, another reducing motor 25 is housed in the upright opening, a servomotor 26 again is equipped with in the upper surface of another reducing motor 25, the coaxial connection take-off lever 27 of the output shaft of the below of another reducing motor 25, pneumatic pinch cylinder 28 is equipped with in take-off lever 27 lower ends, and pneumatic pinch cylinder 28 belows are fixed with the clamp arm 29 of hollow.

The two ends of pull bar 3 are fixed with ball joint bearing 4, and both sides, column 2 top are fixed with bearing block 5, ball joint bearing 4 connecting axle bearings 5, thus column 2 and pull bar 3 are linked up.The output shaft of a servomotor 26 connects with the power shaft of another reducing motor 25 is coaxial again.

On base 1 below the clamp arm 29 of hollow,, also be provided with the belt sander of burlap turbine and multi-curvature radius according to the polishing needs.

The belt sander of described multi-curvature radius adopts the motor 36 of horizontal positioned to make power set, the below that the horizontal output shaft of motor 36 passes the rest pad 36-1 of vertical placement connects the left end of driving shaft 35, driving shaft 35 is connected with the driving wheel 34 of at least two different radii from left to right in turn, the left end of the bolster 32 parallel with driving shaft 35 is fixed in the top of rest pad 36-1, the corresponding from left to right driving wheel of bolster 32 34 places also are respectively equipped with the bogie wheel 31 of different radii, driving wheel 34 and bogie wheel 31 outer employing abrasive band 33 sockets.

Described burlap turbine adopts excircle to be the burlap wheel 38 of axial loose stack shape, the inner periphery of burlap wheel 38 adopts industrial sewing machine to press the concentric circles sewing together, burlap is taken turns 38 centers of circle and is set on buff spindle 39 1 ends, buff spindle 39 other ends are with belt pulley 40, and the motor pulley 42 that belt pulley 40 adopts belt 41 to connect on another motor 43 is formed.

The utility model is compared with prior art, has solved a low-cost automatic polishing machine difficult problem, has solved especially, and the tap of space hypersurface with complicated artistic shape is slightly thrown, smartly thrown automation, realizes unmanned operation production.

[description of drawings]

Fig. 1 is the series parallel movement polisher structural representation that adopts the 6DOF of belt sander among the utility model embodiment.

Fig. 2 is the partial enlarged drawing in the frame of broken lines shown in Figure 1.

Fig. 3 is the series parallel movement polisher structural representation that adopts the 6DOF of burlap turbine among the utility model embodiment.

Fig. 4 is that the M of series parallel movement polisher of 6DOF shown in Fig. 1 is to diagrammatic sketch.

Appointment Fig. 1 is a Figure of abstract.

Referring to accompanying drawing 1-Fig. 4,1 is base; 2 is column; 3 is pull bar; 4 is ball joint bearing; 5 is bearing block; 6 is rolling guide; 7 is the guideway slide block; 8 is slide plate; 9 is ball-screw nut; 10 is ball-screw; 11 is the lead screw shaft bearing; 12 is synchronous pulley; 13 is to be with synchronously; 14 is another synchronous pulley; 15 is servomotor; 16 and 16 ' is the Three Degree Of Freedom universal coupling, lays respectively at the upper and lower end of fixed bar; 17 is fixed bar; 18 is motion platform; 19 is another servomotor; 20 is reducing motor; 21 is rotating shaft; 22 is another reducing motor 22; 23 another servomotors; 24 is turning arm; 25 is another reducing motor; 26 are a servomotor again; 27 is take-off lever; 28 is the pneumatic pinch cylinder; 29 is clamp arm; 30 is part; 31,31-1,31-2 are respectively the emery wheel of different radii; 32 is bolster; 33,33-1,33-2 are the abrasive band; 34,34-1,34-2 are respectively the driving wheel of different radii; 35 is driving shaft; 36 is motor; 37 is feeding conveying belt; 38 are the burlap wheel; 39 is buff spindle; 40 is belt pulley; 41 is belt; 42 is motor pulley; 43 is another motor; 44 is product conveying belt.

[specific embodiment]

Below in conjunction with accompanying drawing the utility model is further described, the utility model is still more clearly concerning those skilled in the art.

Referring to accompanying drawing 1-4, the utility model is on the base 1 of polishing machine, by in positive position, triangle summit one root post 2 being set respectively among Fig. 4, every root post 2 lower ends are screwed on base 1, adopt ball joint bearing 4 three columns 2 to be the equilateral triangle tension between three root posts, the 2 lateral surfaces upper end with bearing block 5 supporting 3, three pull bars 3 of three horizontal pull bars that are connected;

The inner face of column 2 is vertically arranged with two linear rolling tracks 6, one end face of four guideway slide blocks 7 is fixed on the slide plate 8 and is rectangle, the other end of four guideway slide blocks 7 in twos one group place in two rolling guides 6, ball-screw nut 9 is housed in the middle of the slide plate 8, ball-screw nut 9 couplings have ball-screw 10, the nearly upper end of ball-screw 10 adopts lead screw shaft bearing 11 to be fixed on the column 2, synchronous pulley 12 is equipped with on the top of ball-screw 10, the outside, column 2 upper ends is provided with servomotor 15, servomotor 15 output shafts connect another synchronous pulley 14 vertically upward, and synchronous pulley 12 and another synchronous pulley 14 outer employings of being in same horizontal plane are with 13 to link synchronously;

Adopt two Three Degree Of Freedom universal couplings 16 to connect two upper ends respectively on slide plate 8 sides with the fixed bar 17 of length at differentiated levels, the lower end of fixed bar 17 also adopts Three Degree Of Freedom universal coupling 16 ' to be connected on the motion platform 18, therefore, two of the below Three Degree Of Freedom universal couplings 16 ' are also at differentiated levels;

In sum, always have three slide plates, 12 Three Degree Of Freedom hinges, one group in twos of the fixed bar 17 of six roots of sensation equal length, be between every adjacent one group fixed bar on 120 ° of three sides that are connected in the motion platform 18 that is equilateral triangle, three slide plates 8 are driven by three servomotors 15 respectively, when servomotor 15 output shafts rotate, drive another synchronous pulley 14 by being with 13 to drag synchronous pulley 12 synchronously, synchronous pulley 12 drives ball-screw 10 rotations, ball-screw nut 9 drives slide plate 8 and moves up and down, and changes the diverse location of three slide plates 8 in Z-direction, makes fixed length fixed bar 17 drive motion platform 18 and is X, Y, Z-motion.

Referring to accompanying drawing 2, the intracardiac servomotor 19 that is provided with in moving platform 18, the output shaft of servomotor 19 belows inserts in the axis hole of reducing motor 20, the upper surface of reducing motor 20 is fixed on the lower surface of motion platform 18, the lower surface of reducing motor 20 is fixed with rotating shaft 21, another reducing motor 22 is housed in the lower horizontal hole of rotating shaft 21, the left side of another reducing motor 22 is fixed with level to turning arm 24, the right-hand member of another reducing motor 22 is fixed with another servomotor 23, the output shaft of another servomotor 23 left ends inserts in the axis hole of reductor 22 simultaneously, another reducing motor 25 fixedly is housed in the upright opening that described turning arm 24 left ends are provided with, the fixing servomotor 26 again in the upper surface of another reducing motor 25, the output shaft of a servomotor 26 connects with the power shaft of reductor 25 is coaxial more simultaneously, the output shaft of another reducing motor 25 and the take-off lever 27 coaxial one that are connected in, pneumatic pinch cylinder 28 fixedly is equipped with in take-off lever 27 lower ends, and pneumatic pinch cylinder 28 belows are fixed with the clamp arm 29 of hollow.Like this, when servomotor 19 output shafts rotate, turning arm 21 coaxial deceleration rotations, promptly finishing with the Z axle is that C is to motion in the center; When the output shaft of another servomotor 23 rotates, turning arm 24 coaxial decelerations rotations, promptly finishing with the X-axis is that A is to motion in the center; When the output shaft of a servomotor 26 rotates again, take-off lever 27 is done coaxial deceleration rotation, driving promptly that clamp arm 29 finishes with the X-axis is that B is to rotatablely moving in the center, when clamp arm 29 picks up part to be processed 30, part 30 can be made A, B, C to rotatablely moving, and when clamping the ventilation of cylinder 28 lower ends, part 30 is clamped on the clamp arm 29, when clamping the ventilation of cylinder upper end, the part on the clamp arm 29 unclamps.To sum up structure can make part finish X, Y, Z, A, B, the motion of C six-freedom degree in the space, satisfies the many curved surfaces of part, multi-faceted polishing demand.

Above-mentioned 6DOF motion series-parallel connection polishing machine also includes accompanying drawing 1, belt sander shown in Figure 2, its structure is described as: on bolster 32, coaxial emery wheel 31,31-1, the 31-2 that be equipped with different radii, the grinding of satisfying many curved surfaces, being used to each arc radius of connection face more, with the bolster 32 parallel driving shafts 35 that are equipped with, coaxial driving wheel 34,34-1, the 34-2 that different radii fixedly is housed on 35 has identical grinding linear velocity to guarantee abrasive band 33,33-1,33-2; Described abrasive band inner surface is looped around on the bogie wheel and driving wheel as emery wheel, and outer surface pastes and scribbles diamond dust; Described driving shaft 35 connects with the output shaft of motor 36 is coaxial, when the output shaft of motor 36 rotates, 35 rotations of a band driving shaft, drive driving wheel 34,34-1,34-2 rotation, and drive abrasive band 33,33-1,33-2 around bogie wheel 31,31-1,31-2 rotation, the shaping polishing is carried out to part 30 in the abrasive band under high-speed line speed.

6DOF motion series-parallel connection polishing machine also includes the burlap turbine that carries out brilliant polish shown in the accompanying drawing 3, be mainly: burlap wheel 38 is fixed on the buff spindle 39 with one heart, burlap is taken turns 38 excircles and is axially loose being formed by stacking, inner periphery is pressed the concentric circles sewing together with industrial sewing machine, to improve burlap wheel hardness, excircle is loose shape, part can be included in the burlap wheel excircle, to satisfy many curved surfaces, be used to the connection face more, the part of multi-curvature radius is when brilliant polish and do not have the dead angle, belt pulley 40 also fixedly is housed on the buff spindle 39, the motor pulley 42 that belt pulley 40 connects on another motor 43 output shafts by belt 41, during the motor output shaft rotation, drive pulley 42 rotates, and then pulling belt 41 also rotates belt pulley 40, and belt pulley 40 drives buff spindle 39 rotations again, the burlap wheel 38 of polishing usefulness rotates simultaneously, and part is carried out brilliant polish.

The following description of whole 6DOF series parallel movement polisher auto-programming, by the CNC program of being compiled and edited, after work starts, clamp arm 29, move to other feeding conveying belt 37 tops that are provided with of 6DOF series parallel movement polisher, insert in the hole in piece part clamp arm 29 lower ends, clamp the ventilation of cylinder 28 lower ends, make part 30 be clamped at the lower end of clamp arm 29, the contact of part follow procedure rotates at bogie wheel 31,31-1, the abrasive band 33 that high speed on the 31-2 rotates, 33-1, the 33-2 outer surface, with X, Y, Z, A, B, the motion of C six-freedom degree, each curved surface of part is carried out abrasive band form grinding polishing, behind the polishing, part carries out brilliant polish again in the excircle of burlap wheel 38, part moves to other product conveying belt 44 tops that are provided with of 6DOF series parallel movement polisher, clamp the ventilation of cylinder 28 upper ends, part unclamps from clamp arm 29 lower ends, part vertically drops on above the product conveying belt 44, be admitted to the finished product district, finish the automatic polishing overall process one time, carry out automatic polishing with this next part of extracting that goes round and begins again.

Claims

1, a kind of polishing machine that improves the series parallel movement device, comprise motion, polissoir, it is characterized in that motion is: the bottom of on three corner positions that are positive triangle on the base (1), fixing a root post (2) respectively, adopt pull bar (3) to connect between the top of three root posts (2), the medial surface of every root post (2) longitudinally is provided with two rolling guides (6), four guideway slide block (7) one ends adopt slide plate (8) to be fixed into rectangle, the other end of four guideway slide blocks (7) in twos one group place respectively in two rolling guides (6), be provided with ball-screw nut (9) in the middle of the slide plate (8), ball-screw nut (9) coupling has ball-screw (10), ball-screw (10) place near to the upper end adopts lead screw shaft bearing (11) to be fixed on column (2) inboard, synchronous pulley (12) is equipped with on the top of ball-screw (10), the outside, column (2) upper end is provided with servomotor (15), servomotor (15) output shaft connects another synchronous pulley (14) vertically upward, and the synchronous pulley (12) and outer employing of another synchronous pulley (14) that are in same horizontal plane are with (13) to link synchronously; Adopt two upper ends that connect two fixed bars (17) at the Three Degree Of Freedom universal coupling (16) of differentiated levels respectively on slide plate (8) side with length, the lower end of fixed bar (17) also adopts Three Degree Of Freedom universal coupling (16 ') to be connected on the motion platform (18), motion platform (18) center is provided with another servomotor (19), the output shaft of another servomotor (19) below inserts in the axis hole of reducing motor (20), and the upper surface of reducing motor (20) is fixed on the lower surface of motion platform (18), the lower surface of reducing motor (20) is fixed with vertically to rotating shaft (21), rotating shaft (21) Lower Half is provided with lateral aperture, another reducing motor (22) is housed in the lateral aperture, the output shaft that inserts another servomotor (23) in the axis hole of the right-hand member of another reducing motor (22) is also fixedly connected, the left side of another reducing motor (22) is fixed with level to turning arm (24), the left end of turning arm (24) is provided with upright opening, another reducing motor (25) is housed in the upright opening, a servomotor (26) is equipped with in the upper surface of another reducing motor (25) again, the coaxial connection take-off lever of the output shaft of the below of another reducing motor (25) (27), pneumatic pinch cylinder (28) is equipped with in take-off lever (27) lower end, and pneumatic pinch cylinder (28) below is fixed with the clamp arm (29) of hollow.

2, a kind of polishing machine that improves the series parallel movement device as claimed in claim 1, it is characterized in that: the two ends of pull bar (3) are fixed with ball joint bearing (4), column (2) both sides, top are fixed with bearing block (5), ball joint bearing (4) connecting axle bearing (5), thus column (2) and pull bar (3) are linked up.

3, a kind of polishing machine that improves the series parallel movement device as claimed in claim 1 is characterized in that: coaxial connection of power shaft of the output shaft of a servomotor (26) and another reducing motor (25) again.

4, a kind of polishing machine that improves the series parallel movement device as claimed in claim 1 is characterized in that: according to the polishing needs, also be provided with the belt sander of burlap turbine and multi-curvature radius on the base 1 of clamp arm (29) below of hollow.

5, a kind of polishing machine that improves the series parallel movement device as claimed in claim 4, it is characterized in that: the belt sander of described multi-curvature radius adopts the motor (36) of horizontal positioned to make power set, the below that the horizontal output shaft of motor (36) passes the rest pad (36-1) of vertical placement connects the left end of driving shaft (35), driving shaft (35) is connected with the driving wheel (34) of at least two different radii from left to right in turn, the left end of the bolster (32) parallel with driving shaft (35) is fixed in the top of rest pad (36-1), the corresponding from left to right driving wheel of bolster (32) (34) locates also to be respectively equipped with the bogie wheel (31) of different radii, driving wheel (34) and the outer employing of bogie wheel (31) abrasive band (33) socket.

6, a kind of polishing machine that improves the series parallel movement device as claimed in claim 4, it is characterized in that: described burlap turbine adopts excircle to be the burlap wheel (38) of axial loose stack shape, the inner periphery of burlap wheel (38) adopts industrial sewing machine to press the concentric circles sewing together, burlap wheel (38) center of circle is set on buff spindle (39) one ends, buff spindle (39) other end is with belt pulley (40), and the motor pulley (42) that belt pulley (40) adopts belt (41) to connect on another motor (43) is formed.