CN108044488B - A multi-degree-of-freedom plane polishing machine - Google Patents

Abstract

The invention discloses a multi-degree-of-freedom planar polishing machine, which relates to the technical field of polishing machines. A hinge mechanism and a swing mechanism are respectively installed on both sides of the upper part of the frame, and a roller mechanism is fixed on both sides of the lower end of the frame. The mechanism and the swing mechanism are connected and installed inside the frame; the polishing mechanism is connected to the end of the main transmission mechanism and is located above the workbench. The polishing mechanism at the end of the transmission mechanism reciprocates. The invention realizes the mechanized polishing of metal plates with multiple degrees of freedom, which not only reduces the labor cost, but also greatly improves the polishing accuracy compared with manual polishing, thereby ensuring product quality; the polishing machine combines the main transmission mechanism, the pull rod mechanism and the hinge mechanism, The polishing mechanism has multiple degrees of freedom so that the surface of the workpiece can be fully polished, thereby ensuring the polishing accuracy of the workpiece and making the polishing machine have good stability.

Description

A multi-degree-of-freedom plane polishing machine

technical field

The invention relates to the technical field of polishing machines, in particular to a polishing machine for polishing metal plates.

Background technique

Sheet metal is a common material in industrial production, and its surface usually has a protruding superhard oxide layer. In order to facilitate subsequent processing of the sheet metal, the surface of the sheet metal needs to be polished. At present, many manufacturers in the market still use manual polishing, which not only has high labor intensity and low production efficiency, but also the polishing accuracy cannot be guaranteed. Therefore, some manufacturers use polishing machines instead of manual polishing.

Through patent search, there are the following known technical solutions:

Patent 1:

Application number: CN201611162378.7, application date: 2016.12.15, authorized announcement date: 2017.05.31, the invention discloses a reciprocating plane polishing machine, including a base, a workbench, and a polishing mechanism. on the chute and can slide left and right on the base, and the base is provided with a cylinder that drives the workbench to slide left and right. The polishing mechanism includes a polishing wheel, a motor that drives the polishing wheel to rotate, and a top wheel. The abrasive belt used for polishing is set on the On the polishing wheel and the top wheel, the present invention is equipped with a workbench that can reciprocate and slide left and right. The reciprocating polishing of the workpiece can be completed through the polishing wheel set above the workbench to drive the abrasive belt to press down. The cylinder is used to drive the workbench to slide and run Stable and reliable, it is very suitable for workpieces that require a very uniform surface, and the polishing effect is good.

This patent plays a certain role in the polishing of the workpiece, but there are still some problems. For example, the workbench of this polishing machine can only reciprocate in a single direction, and the polishing accuracy is difficult to guarantee. At the same time, this type of polishing machine does not have an automatic feeding mechanism. All the clamping needs to be manually operated, which is time-consuming.

Patent 2:

Application number: CN201510491014.2, application date: 2015.08.12, authorization announcement date: 2015.11.18, the invention discloses a polishing machine with a workpiece rotary support device, which includes a polishing machine bracket and is installed above the polishing machine bracket The grinding wheel cantilever is equipped with a grinding wheel at one end of the grinding wheel cantilever, and the base of the workpiece support device is fixedly connected to the bottom of the polishing machine bracket. The drive motor and the disc rotation support shaft are installed on the base of the workpiece support device. Four horizontal support rails are evenly distributed along the rotating support shaft on the disk, sliding grooves are set on the horizontal supporting rails, horizontal mounting plates are fixedly installed on the sliding grooves, and workpiece limiting devices are fixedly installed on the mounting plates. The advantages of the present invention are: it innovates from the supporting device of the workpiece, realizes that one polishing machine can complete the polishing of workpieces with multiple specifications, and does not need complicated design of the polishing wheel assembly, improves the working efficiency of the polishing machine, and significantly reduces the cost of the polishing machine .

This patent can polish the workpiece of multiple specifications, but there are still some problems in this patent: the used grinding wheel volume of polishing workpiece as this polishing machine is relatively small, and when polishing large-scale workpiece, it is longer to use time. At the same time, during the polishing operation, the polishing position of the grinding wheel needs to be adjusted manually, which may easily cause inconsistent polishing accuracy of various parts of the workpiece, and it is difficult to guarantee the polishing accuracy of the workpiece.

Patent 3:

Application number: CN201710932009.X, application date 2017.10.10, authorization announcement date: 2018.01.05, the invention discloses a multifunctional steel plate polishing machine, including an organic base, a translational polishing table and a polishing mechanism, and the translational polishing table is set on the machine On the seat, the polishing mechanism is set on the translational polishing table, which is characterized in that: the base is provided with an angle scale plate and a polishing positioning fixture on one side of the translational polishing table, and the polishing positioning fixture is mainly composed of a limit rod, a fixed seat , a connecting rod, two clamping rods and a limit plate; the arm surface of the connecting rod is provided with a long hole, and the clamping rod and the fixing seat adopt the structure of a screw; the polishing mechanism is mainly composed of a supporting steel frame, It consists of shaft sleeve, motor, polishing power shaft and polishing disc; the height adjustment handle of the polishing disc is provided on the supporting steel frame; Liquid ejection tube. The invention has the characteristics of simple structure, high work efficiency, high qualified rate, accurate positioning, and time-saving and labor-saving clamping.

This patent can polish the workpiece to a certain extent, but there are still some problems, such as this polishing machine has restrictions on the size and shape of the polished workpiece. When the shape and size of the polished workpiece exceed the range of the limit plate, The workpiece will not be clamped. At the same time, the polishing mechanism can only move in two directions to polish the workpiece during operation, and the polishing accuracy is difficult to guarantee.

Through the above search, it is found that the above technical solutions do not affect the novelty of the present invention; and the mutual combination of the above patent documents does not destroy the inventiveness of the present invention.

Contents of the invention

The present invention provides a multi-degree-of-freedom plane polishing machine just to avoid the shortcomings of the above-mentioned prior art.

In order to solve the technical problem, the present invention adopts the following technical solutions: a multi-degree-of-freedom plane polishing machine, including a frame for supporting connection and a workbench fixed on the lower part of the frame, and a hinge mechanism and a swing mechanism are respectively installed on the On both sides of the upper part of the frame, the roller mechanism is fixed on both sides of the lower end of the frame, and the main transmission mechanism is installed inside the frame by connecting with the hinge mechanism and the swing mechanism;

The polishing mechanism is connected to the end of the main transmission mechanism and is located above the workbench. The pull rod mechanism is fixed on the upper side of the frame and is hinged with the main transmission mechanism to drive the main transmission mechanism and connect to the The polishing mechanism at the end of the main transmission mechanism reciprocates.

Further, the central shaft is hollowly sleeved in the hollow shaft, the central large pulley and the planet carrier are respectively connected to the top and bottom of the hollow shaft, and the planetary driven pulley and cylindrical gear A are respectively connected to the top and bottom of the central shaft , the eccentric output shaft is installed in the planet carrier, the cylindrical gear B is installed on the eccentric output shaft, and meshes with the cylindrical gear A to form a main transmission unit;

The two main transmission units are installed at the two center positioning holes of the box body, the central shaft and the hollow shaft are located in the box body, and a short tensioner is installed on the top of the box body corresponding to the positions of the two main transmission units. plate and a long tension plate, the short tension plate and the long tension plate are arranged concentrically with the corresponding central axis and the hollow shaft; the ends of the long tension plate and the short tension plate are respectively installed with long tension plates Tension shaft and short tension shaft, a tension pulley is respectively installed on the long tension shaft and the short tension shaft, the planetary driving pulley is arranged on the top of the swing mechanism, and the center driving pulley is arranged on the hinge body top;

The tension pulleys on the center driving pulley and the two long tension shafts are located on the same plane as the planetary driven pulleys, and the synchronous belt A is installed on the center driving pulley and the two planetary driven pulleys, and It is tensioned by the tensioning pulleys on the two long tensioning shafts; the planetary driving pulley and the tensioning pulleys on the two short tensioning shafts are located on the same plane as the central large pulley, and the synchronous belt B is installed on the The above-mentioned planetary driving pulley and the two center large pulleys are tensioned by the tensioning pulleys on the two short tensioning shafts.

Further, the large central pulley is connected to the hollow shaft through a key, and the planet driven pulley is connected to the central shaft through a keyless bearing.

Further, the roller mechanism is composed of two floating roller units respectively arranged on both sides of the frame and two fixed roller units respectively arranged on both sides of the frame;

Two floating roller seats are symmetrically fixed on the frame, and the floating roller seats are provided with hexagonal head bolts, guide keys and bearings with sliders, and the hexagonal head bolts are used to drive the slider seat The bearing slides along the guide key, and the two ends of the floating roller are respectively connected to the two bearings with slider seats through bearings to form the floating roller unit;

Two fixed roller brackets are symmetrically fixed on the frame, and the fixed roller bracket is located under the floating roller seat, and the vertical seat bearing is fixed on it, and the two ends of the fixed roller are composed of two vertical bearings. The seat bearing is supported and fixed; the reduction motor is connected to the box body, and its output shaft is connected to the driving sprocket, and the driving sprocket is connected to the driven sprocket arranged at the end of the fixed roller close to the reduction motor through a chain , and is driven by the chain to form the fixed roller unit.

Further, the two brackets are fixedly connected to the frame and the box respectively, and the two ends of the rocker arm are respectively connected to the two brackets through two pin shafts A to form a hinge unit;

The small motor bracket is connected with the box body, the reduction motor A is installed on the small motor bracket, the central driving pulley is connected with the output shaft of the reduction motor A, and the two hinge units are arranged symmetrically about the central axis of the polishing machine , constituting the hinge mechanism.

Further, the two beams are arranged in parallel, and the I-shaped beams are connected to the tops of the two beams through four pressure plates provided at their four corners; a polished pressure plate is vertically arranged on both sides of the stainless steel substrate along the edge, and the two stainless steel substrates pass through their two sides respectively. The polishing pressing plate arranged on the side is connected and fixed with two beams to form the polishing mechanism; the eccentric output shaft is connected to the I-shaped beam through a connecting bearing seat, and the polishing mechanism is installed at the end of the main transmission mechanism.

Further, abrasive materials are pasted on the bottom of the stainless steel substrate.

Further, the motor bracket is connected to the box body, the reduction motor B is installed on the motor bracket, the planetary drive pulley is connected to the output shaft of the reduction motor B, and the roller bracket is connected to the outside of the motor bracket. There are rollers on it; the swing pressing plate is located above the rollers and connected to the frame to form the swing mechanism, and the rollers roll horizontally along the roller support under the limit of the swing pressing plate.

Further, the reduction motor C is installed on the frame, the output shaft of which is connected to the swing eccentric shaft, the front end of the pull rod is connected to the swing eccentric shaft through the self-lubricating joint bearing, and the tail end is connected to the device through the self-lubricating joint bearing and the pin shaft B. It is connected with the box swing seat on the box body to form the pull rod mechanism.

The invention provides a multi-degree-of-freedom plane polishing machine, which has the following beneficial effects:

1. Realize the mechanized polishing of metal plates with multiple degrees of freedom, replacing the original manual polishing, which not only reduces labor costs, but also greatly improves the polishing accuracy compared with manual polishing, thereby ensuring product quality;

2. The polishing machine combines the main transmission mechanism, the pull rod mechanism and the hinge mechanism, so that the polishing mechanism has multiple degrees of freedom, so that the surface of the workpiece can be fully polished, thereby ensuring the polishing accuracy of the workpiece, so that the polishing machine has a good stability;

3. There is no specific limit device to limit the metal plate, and it can polish metal plates of various shapes, with strong adaptability;

4. The automatic feeding of metal sheets is realized through the roller mechanism, which further reduces the labor intensity of workers and improves processing efficiency;

5. The setting of the floating roller unit makes the roller mechanism suitable for metal sheets of different thicknesses, which greatly improves the scope of application of the polishing machine and makes it more practical;

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the front view of the present invention;

Fig. 3 is the top view of the present invention;

Fig. 4 is the structural representation of polishing mechanism of the present invention;

Fig. 5 is a schematic diagram of the transmission structure of the present invention.

In the picture:

1. Frame; 21. Long tensioning wheel shaft, 22. Tensioning wheel, 23. Long tensioning plate, 24. Box body, 25. Large central pulley, 26. Central shaft, 27. Planetary passive pulley, 28 , short tension plate, 29, short tension wheel shaft, 210, planet carrier, 211, eccentric output shaft, 212, connecting bearing seat, 213, cylindrical gear B, 214, hollow shaft, 215, cylindrical gear A; 31, work Type beam, 32, beam, 33, pressure plate, 34, polished pressure plate, 35, stainless steel base plate; 4, workbench; 51, hexagon head bolt, 52, floating roller seat, 53, guide key, 54, belt slider seat Bearing, 55, driven sprocket, 56, bearing with vertical seat, 57, fixed roller bracket, 58, fixed roller, 59, floating roller, 510, chain, 511, driving sprocket, 512, reduction motor D; 61, bracket, 62, pin shaft A, 63, rocker arm, 64, reduction motor A, 65, center driving pulley, 66, small motor bracket, 67, synchronous belt A; 71, synchronous belt B, 72, Motor bracket, 73, deceleration motor B, 74, planetary driving pulley, 75, roller bracket, 76, swing pressure plate, 77, roller; 81, box swing seat, 82, deceleration motor C, 83, swing eccentric shaft, 84 , Self-lubricating joint bearing, 85, pull rod, 86, bearing pin B.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in Figures 1 to 5, its structural relationship is as follows: it includes a frame 1 for supporting and connecting and a workbench 4 fixed at the lower part of the frame 1, and the hinge mechanism and the swing mechanism are respectively installed on both sides of the upper part of the frame 1. The roller mechanism is fixed on both sides of the lower end of the frame 1, and the main transmission mechanism is installed inside the frame 1 by connecting with the hinge mechanism and the swing mechanism;

The polishing mechanism is connected to the end of the main transmission mechanism and is located above the workbench 4. The pull rod mechanism is fixed on the upper side of the frame 1 and is hinged with the main transmission mechanism to drive the main transmission mechanism and the polishing mechanism connected to the end of the main transmission mechanism to reciprocate.

Preferably, the central shaft 26 is hollowly sleeved in the hollow shaft 214, the central large pulley 25 and the planet carrier 210 are respectively connected to the top and bottom of the hollow shaft 214, and the planetary driven pulley 27 and the cylindrical gear A215 are respectively connected to the top of the central shaft 26 and the bottom end, the eccentric output shaft 211 is installed in the planet carrier 210, the cylindrical gear B213 is installed on the eccentric output shaft 211, and meshes with the cylindrical gear A215 to form the main transmission unit;

The two main transmission units are installed at the two center positioning holes of the box body 24, the central shaft 26 and the hollow shaft 214 are located in the box body 24, and a short tension plate 28 is arranged on the top of the box body 24 corresponding to the positions of the two main transmission units. And a long tension plate 23, the short tension plate 28 and the long tension plate 23 are concentrically arranged with the corresponding central axis 26 and the hollow shaft 214; the ends of the long tension plate 23 and the short tension plate 28 are respectively equipped with long tension shafts 21 and short tensioning shaft 29, a tensioning pulley 22 is respectively installed on the long tensioning shaft 21 and the short tensioning shaft 29, the planetary driving pulley 74 is located at the top of the swing mechanism, and the center driving pulley 65 is located at the top of the hinged mechanism;

The tension pulley 22 on the center driving pulley 65 and two long tensioning shafts 21 is on the same plane as the planetary driven pulley 27, and the synchronous belt A67 is installed on the center driving pulley 65 and the two planetary driven pulleys 27, and It is tensioned by the tension pulley 22 on the two long tension shafts 21; the planetary driving pulley 74 and the tension pulley 22 on the two short tension shafts 29 are located on the same plane as the central large pulley 25, and the timing belt B71 is installed On the planetary driving pulley 74 and the two central large pulleys 25, and by the tensioning pulley 22 tensioning on the two short tensioning shafts 29.

Preferably, the central large pulley 25 is connected to the hollow shaft 214 through a key, and the planetary driven pulley 27 is connected to the central shaft 26 through a keyless bearing.

Preferably, the roller mechanism is composed of two floating roller units respectively arranged on both sides of the frame 1 and two fixed roller units respectively arranged on both sides of the frame 1;

Two floating roller seats 52 are symmetrically fixed on the frame 1, and the floating roller seats 52 are provided with hexagon head bolts 51, guide keys 53 and bearings with slider seats 54, and the hexagon head bolts 51 are used to drive the bearings with slider seats 54 slides along the guide key 53, and the two ends of the floating roller 59 are respectively connected with two bearings 54 with slider seats through bearings to form a floating roller unit;

Two fixed roller brackets 57 are symmetrically fixed on the frame 1. The fixed roller brackets 57 are located below the floating roller seat 52, and the vertical seat bearings 56 are fixed on it. The two ends of the fixed roller 58 are composed of two vertical rollers. The seat bearing 56 is supported and fixed; the reduction motor 512 is connected to the casing 24, and its output shaft is connected to the driving sprocket 511, and the driving sprocket 511 is connected to the driven sprocket 55 located at the end of the fixed roller 58 near the reduction motor 512 through the chain 510 connected and driven by a chain 510 to form a fixed roller unit.

By adjusting the screw-in depth of the hexagon head bolt 51, the distance between the floating roller 59 and the fixed roller 58 can be controlled, so as to adapt to polishing workpieces of different thicknesses.

Preferably, the two brackets 61 are fixedly connected to the frame 1 and the box body 24 respectively, and the two ends of the rocker arm 63 are respectively connected to the two brackets 61 through two pin shafts A62 to form a hinge unit;

The small motor bracket 66 is connected with the box body 24, the geared motor A64 is installed on the small motor bracket 66, the central driving pulley 65 is connected with the output shaft of the geared motor A64, and the two hinged units are arranged symmetrically about the central axis of the polishing machine to form a hinged mechanism .

Preferably, two beams 32 are arranged in parallel, and the I-shaped beam 31 is connected to the tops of the two beams 32 through four pressing plates 33 respectively arranged at its four corners; a polished pressing plate 34 is vertically arranged on both sides of the stainless steel substrate 35 along the edge, and two The stainless steel substrate 35 is respectively connected and fixed to the two beams 32 through the polishing platen 34 provided on both sides to form a polishing mechanism; the eccentric output shaft 211 is connected to the I-shaped beam 31 through the connecting bearing seat 212, and the polishing mechanism is installed at the end of the main transmission mechanism .

Preferably, abrasive materials are pasted on the bottom of the stainless steel substrate 35 so as to polish the workpiece.

Preferably, the motor bracket 72 is connected to the casing 24, the geared motor B73 is installed on the motor bracket 72, the planetary driving pulley 74 is connected to the output shaft of the geared motor B73, and the roller bracket 75 is connected to the outside of the motor bracket 72. The roller 77; the swing pressing plate 76 is located above the roller 77 and is connected to the frame 1 to form a swing mechanism. The roller 77 rolls horizontally along the roller bracket 75 under the limit of the swing pressing plate 76.

Preferably, the reduction motor C82 is installed on the frame 1, its output shaft is connected to the swing eccentric shaft 83, the front end of the pull rod 85 is connected to the swing eccentric shaft 83 through the self-lubricating joint bearing 84, and the tail end is through the self-lubricating joint bearing 84 and the pin shaft B86 It is connected with the box swing seat 81 provided on the box body 24 to form a pull rod mechanism.

During specific use, according to the thickness of the workpiece, the distance between the floating roller 59 and the fixed roller 58 is adjusted to an appropriate value through the hex head bolt 51 . Put the workpiece between the fixed roller 58 and the floating roller 59, the reduction motor D512 drives the driving sprocket 511 to rotate, and then drives the fixed roller 58 to rotate through the transmission of the chain 510 and the driven sprocket 55 to drive the workpiece Go to workbench 4 and start polishing.

During polishing:

The reduction motor A64 drives the central driving pulley 65 to rotate, drives two planetary passive pulleys 27 and two central shafts 26 connected thereto to rotate through the synchronous belt A67, and the cylindrical tooth A215 connected to the bottom of the central shaft 26 follows the central shaft 26 to rotate, And drive the cylindrical gear B213 meshed with it to rotate, and then drive the eccentric output shaft 211 connected with the cylindrical gear B213 and the polishing mechanism connected with the eccentric output shaft 211 through the bearing seat 212 to move to polish the workpiece. Driven by the geared motor 64, the polishing mechanism itself performs a small high-speed swing motion.

The reduction motor B73 drives the planetary drive pulley 74 to rotate, drives the two central large pulleys 25 and the two hollow shafts 214 connected thereto to rotate through the synchronous belt B71, and the planet carrier 210 connected to the bottom of the hollow shaft 214 follows the rotation of the hollow shaft 214, The eccentric output shaft 211 drives the cylindrical gear B 213 to perform planetary motion around the cylindrical gear A215, and at the same time drives the polishing mechanism connected to the eccentric output shaft 211 to polish the workpiece. Driven by the reduction motor B73, the polishing mechanism drives the whole polishing mechanism to perform large-scale low-speed swinging motion.

The reduction motor C82 drives the swing eccentric shaft 83 to rotate, and the self-lubricating joint bearing 84 drives the pull rod 85 to drive the connected box 24 to move linearly reciprocating perpendicular to the feeding direction of the workpiece, and the polishing mechanism follows the box 24 to perform linear reciprocating motion synchronously to polish the workpiece.

When polishing the workpiece, use geared motor A64, geared motor B73 and geared motor C82 to jointly drive the polishing mechanism to perform compound motion polishing.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be described in the foregoing embodiments Modifications are made to the recorded technical solutions, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (8)

1. a kind of multiple-degree-of-freedom planar polishing machine, including being used to support the rack (1) of connection and being fixed on the rack (1) lower part Workbench (4), it is characterised in that: linkwork and swing mechanism are respectively arranged in the rack (1) top two sides, roller Structure is fixed on the rack (1) lower end two sides, and main drive gear is by connecting peace with the linkwork and the swing mechanism It is internal loaded on the rack (1)；Polishing mechanism is connected to the main drive gear end, is located above the workbench (4), draws Linkage is fixed on the upside of the rack (1), and hinged with the main drive gear, to drive the main drive gear and connection Polishing mechanism in the main drive gear end moves back and forth；

Central axis (26) is placed in hollow shaft (214), and center big belt wheel (25) and planet carrier (210) are connected in described Empty axis (214) top and bottom end, the passive belt wheel of planet (27) and roller gear A (215) are connected to the central axis (26) Top and bottom end, eccentric output shaft (211) are installed in the planet carrier (210), and roller gear B (213) is installed on described inclined It on heart output shaft (211), and is engaged with the roller gear A (215), constitutes main transmission unit；

Two main transmission units are installed at two center positioning holes of cabinet (24), the central axis (26) and the hollow shaft (214) it is located in the cabinet (24), corresponding two main transmission unit positions are respectively arranged one short at the top of the cabinet (24) Tight plate (28) and one long tensioning plate (23), the short tensioning plate (28) and the long tensioning plate (23) and corresponding central axis (26) it is arranged concentrically with hollow shaft (214)；The long tensioning plate (23) and the short tensioning plate (28) end install long respectively Mandrel (21) and short tensioning shaft (29), one tensioning wheel of each installation on the long tensioning shaft (21) and the short tensioning shaft (29) (22), planet driving pulley (74) is set at the top of the swing mechanism, and center driving pulley (65) is set to the linkwork top Portion；

Tensioning wheel (22) and the passive belt wheel of the planet on the center driving pulley (65) and two long tensioning shaft (21) (27) it is generally aligned in the same plane, synchronous belt A (67) is installed on the center driving pulley (65) and two passive belt wheels of planet (27) On, and be tensioned by the tensioning wheel (22) on two long tensioning shaft (21)；The planet driving pulley (74) and two short tensioning shafts (29) tensioning wheel (22) on is generally aligned in the same plane with the center big belt wheel (25), and synchronous belt B (71) is installed on the planet On driving pulley (74) and two center big belt wheels (25), and it is tensioned by the tensioning wheel (22) on two short tensioning shaft (29).

2. a kind of multiple-degree-of-freedom planar polishing machine according to claim 1, it is characterised in that: the center big belt wheel (25) It is connect by key with the hollow shaft (214), the passive belt wheel of planet (27) is by exempting from key bearing and the central axis (26) Connection.

3. a kind of multiple-degree-of-freedom planar polishing machine according to claim 1, it is characterised in that: the roller mechanism is by two It is respectively arranged and is respectively arranged in the floating roller unit of the rack (1) two sides and two in the fixation of the rack (1) two sides Roller unit is constituted；

Two dancer cylinder bases (52) are symmetrically fixed on the rack (1), and turret head is arranged on the dancer cylinder base (52) Bolt (51), feather key (53) and with take-up housing bearing (54), the hexagon-headed bolt (51) is for driving the band take-up housing Bearing (54) is slided along the feather key (53), and floating roller (59) both ends pass through bearing and two band take-up housing bearings respectively (54) it connects, constitutes the floating roller unit；

Two fixing roller tube stents (57) are symmetrically fixed on the rack (1), and the fixing roller tube stent (57) is located at described Below dancer cylinder base (52), be connected band plummer block housing bearing (56) thereon, and fixed roller (58) both ends are by two band plummer block housing axis (56) support is held to fix；Decelerating motor (512) is connected on the cabinet (24), is exported axis connection drive sprocket (511), institute Drive sprocket (511) are stated by chain (510) and are set to the fixed roller (58) close to the decelerating motor (512) one end Driven sprocket (55) connection, and be driven by the chain (510), constitute the fixed roller unit.

4. a kind of multiple-degree-of-freedom planar polishing machine according to claim 2, it is characterised in that: two brackets (61) respectively with The rack (1) and the cabinet (24) are connected, and rocker arm (63) both ends pass through two pin shaft A (62) and two brackets (61) respectively Connection constitutes hinge unit；

Small machine bracket (66) is connect with the cabinet (24), and decelerating motor A (64) is installed on the small machine bracket (66), The output axis connection of center driving pulley (65) and the decelerating motor A (64), two hinge units are about in the polishing machine Mandrel line is symmetrical arranged, and constitutes the linkwork.

5. a kind of multiple-degree-of-freedom planar polishing machine according to claim 2, it is characterised in that: two crossbeams (32) set in parallel It sets, drum beam (31) is connected at the top of two crossbeams (32) by respectively arranged four pressing plates (33) in its quadrangle；Stainless base steel (35) two lateral edge edge of plate is each to set a polishing pressing plate (34) vertically, and two stainless steel substrates (35) are arranged by its two sides respectively Polishing pressing plate (34) be connected and fixed with two crossbeams (32), constitute the polishing mechanism；The bias output shaft (211) passes through Connection bearing block (212) is connect with the drum beam (31), and the polishing mechanism is installed on the main drive gear end.

6. a kind of multiple-degree-of-freedom planar polishing machine according to claim 5, it is characterised in that: the stainless steel substrate (35) Paste abrasive material in bottom.

7. a kind of multiple-degree-of-freedom planar polishing machine according to claim 2, it is characterised in that: electric machine support (72) is connected to On the cabinet (24), decelerating motor B (73) is installed on the electric machine support (72), and planet driving pulley (74) subtracts with described The output axis connection of speed motor B (73), rolling wheel support (75) are connected on the outside of the electric machine support (72), set idler wheel thereon (77)；It swings pressing plate (76) to be located above the idler wheel (77), is connected on the rack (1), constitutes the swing mechanism, institute State idler wheel (77) rolling wheel support (75) horizontal rolling described in the limit lower edge for swinging pressing plate (76).

8. a kind of multiple-degree-of-freedom planar polishing machine according to claim 2, it is characterised in that: decelerating motor C (82) installation In on the rack (1), output axis connection swings eccentric shaft (83), and pull rod (85) front end passes through self-lubricating knuckle bearing (84) It is connect with eccentric shaft (83) are swung, tail end is by the self-lubricating knuckle bearing (84) and pin shaft B (86) and is set to the cabinet (24) cabinet swing seat (81) connection on, constitutes the drag link mechanism.