CN115139166A

CN115139166A - Reciprocating type grinding device of electricity main shaft circumferential surface

Info

Publication number: CN115139166A
Application number: CN202211075512.5A
Authority: CN
Inventors: 向家福
Original assignee: Xuzhou Xupeichen Machinery Technology Co ltd
Current assignee: Xuzhou Xupeichen Machinery Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-10-04

Abstract

The invention relates to the technical field of electric spindle polishing, in particular to a reciprocating polishing device for the circumferential surface of an electric spindle, which comprises a base, wherein clamping seats symmetrically arranged along the length direction of the base are arranged on the upper end surface of the base, each clamping seat consists of a rectangular seat and a triangular seat arranged at the top of the rectangular seat, a sliding clamping groove is formed in the upper end surface of the base, one rectangular seat is connected with the sliding clamping groove in a sliding mode, the other rectangular seat is fixedly connected with the base, and arc bearings arranged in a regular triangle mode are arranged on the opposite surfaces of the two triangular seats. According to the invention, the rotating shaft is placed between the two arc supports, the abutting discs on two sides of the rotating shaft are clamped and fixed in an extrusion mode, and then the abutting discs and the rotating shaft are driven to rotate in a reciprocating mode through the rotating shaft, so that the surface of the rotating shaft is polished by the polishing strip, and the problem that the rotating shaft clamping part is difficult to polish when the rotating shaft is fixed through the traditional clamping rotating shaft is solved.

Description

Reciprocating type grinding device of electricity main shaft circumferential surface

Technical Field

The invention relates to the technical field of electric spindle grinding, in particular to a reciprocating grinding device for the circumferential surface of an electric spindle.

Background

The electric spindle is a new technology for integrating a machine tool spindle and a spindle motor into a whole in the field of numerical control machines, and is combined with a linear motor technology and a high-speed cutter technology to promote high-speed processing to a new era.

The mode that present grinding device adopted is that the mode of both ends centre gripping or the mode of one end centre gripping are fixed the pivot of electricity main shaft, then recycle grinding tool and polish the surface of pivot, but no matter adopt the fixed mode of both ends centre gripping or the fixed mode of one end centre gripping, the in-process grinding tool of polishing all is difficult to polish to the centre gripping position at the in-process of polishing, later need carry out the secondary and polish to the centre gripping position of pivot, it is once only unified quick polishing to be difficult to the pivot, the length of time and intensity of labour that the pivot was polished have been increased, the efficiency of polishing of pivot has been reduced.

Meanwhile, the rotating shaft is of a stepped structure, and the rotating shaft needs to be polished by a polishing tool matched with the rotating shaft in structure in the polishing process, so that the polishing tool in the polishing device needs to be replaced, the replacement and installation of the polishing tool consume time and labor, and the replacement efficiency of the polishing tool is reduced.

Disclosure of Invention

In order to solve the problems, the invention adopts the following technical scheme that the reciprocating type grinding device for the circumferential surface of the electric spindle comprises a base, clamping seats symmetrically arranged along the length direction of the base are arranged on the upper end face of the base, each clamping seat consists of a rectangular seat and a triangular seat installed at the top of the rectangular seat, a sliding clamping groove is formed in the upper end face of the base, one rectangular seat is connected with the sliding clamping groove in a sliding mode, the other rectangular seat is fixedly connected with the base, arc bearings distributed in a regular triangle mode are installed on the opposite faces of the two triangular seats, the radius of each arc bearing fixed on the triangular seat on the base through the rectangular seat is larger than that of the arc bearing on the other side distributed along the length direction of the base, rotating shafts are jointly placed on the two corresponding arc bearings distributed along the length direction of the base, the rotating shafts distributed in the regular triangle mode are rotatably connected to the opposite faces of the two triangular seats, the centers of the rotating shafts are aligned with the centers of the arc bearings one by one another, supporting discs are installed on the end faces of the rotating shafts close to the rotating shafts, a supporting disc, one end face, which is far away from the supporting disc, which is concentric with the arc bearing with the large-diameter rotating shaft, a fixing sleeve penetrates through the triangular seat is arranged, and is arranged on the rotating shaft, and is connected with the belt pulley through the belt.

Preferably, two the lead spout that is regular triangle and arranges is all seted up to the triangle-shaped seat opposite face, and the top of leading the spout runs through the triangle-shaped seat, sliding connection leads the slide bar in the lead spout, three on the same triangle-shaped seat leads the slide bar top and installs the connection skeleton jointly, the fixed plate is installed at the top of triangle-shaped seat, the spout is all opened down to the opposite face of two fixed plates, be connected with the connection skeleton through gliding slider from top to bottom in the spout down, arrange and install the bar seat between two corresponding lead slide bars along base length direction, the one end that the bar seat is close to the belt is connected with leading the slide bar through the connecting block, the one end that the belt was kept away from to the bar seat has seted up the receipts groove, be connected through the expansion plate between receipts groove and the corresponding slide bar of leading, the bottom of bar seat can be dismantled and be connected with the polishing strip, the bottom and the laminating of rotating shaft lateral wall of polishing strip.

Preferably, the bottom of the strip-shaped seat is provided with a slot, the polishing strip is connected in the slot in a sliding manner, the top of the slot is provided with rectangular jacks uniformly distributed along the length direction of the strip-shaped seat, rectangular plugs uniformly distributed along the length direction of the polishing strip and corresponding to the rectangular jacks one by one are mounted on the polishing strip, two sides of each rectangular plug along the length direction of the polishing strip are provided with abutting holes, each abutting hole is of a conical structure, the diameter of each abutting hole is gradually reduced from the outer wall of each rectangular plug inwards, the inner side wall of each rectangular jack along the length direction of the polishing strip is provided with a containing groove, abutting heads tightly matched with the abutting holes are connected in the containing grooves in a sliding manner, the strip-shaped seat is provided with moving grooves symmetrically distributed along the width direction of the strip-shaped seat, and driving strips are connected in the moving grooves in a sliding manner, the rectangle jack is located between two shifting chutes, drive groove has all been seted up on two receipts grooves of rectangle jack both sides, it feeds through drive groove and one of them shifting chute to receive the groove, support to install the L type pole that runs through behind the drive groove and drive strip fixed connection on the head, the circular port that all feeds through with two shifting chutes is seted up at the middle part of bar seat, circular downthehole mode through screw-thread fit is connected with the check lock lever, the spout has been seted up on the check lock lever, the top of check lock lever is rotated and is run through the bar seat, the circular port internal rotation is connected with the gear that the cover was established on the check lock lever, install the guide block with spout sliding connection on the gear, all install on two drive strips with gear engagement driven rack.

Preferably, a rubber gasket is arranged on the end face, away from the rotating shaft, of the abutting disc.

Preferably, three groups of supporting components that evenly arrange along its width direction are installed at the top of base, and supporting component is located the pivot under, and the supporting component of every group is installed jointly on two supporting legs and two supporting legs along base length direction symmetrical arrangement and is the support that accepts the arc form and constitute, and it supports the pivot to accept the seat.

Preferably, the end face of the arc bearing far away from the triangular seat, the concave arc-shaped face of the arc bearing and the three end faces of the concave arc-shaped face of the bearing seat are all in rolling connection with antifriction beads which are evenly distributed along the length direction of the bearing seat and the axial direction of the bearing seat.

Preferably, the arc-shaped bearing and the bearing seat are provided with chip removal grooves which are uniformly distributed along the length direction of the base, the chip removal grooves are of Y-shaped structures, and the chip removal grooves and the antifriction beads are distributed in a staggered mode.

Preferably, the top of base is installed along the type of falling V frame that its width direction was evenly arranged, and the type of falling V frame that is located the middle part highly is higher than the type of falling V frame height of both sides, and the type of falling V frame is located the below of accepting the seat, and the supporting leg runs through type of falling V frame, and the top of base is installed along the upper and lower bits groove that link up that its width direction was evenly arranged, and the bits groove that falls staggers with type of falling V frame and arranges.

Preferably, the triangular seat which is slidably connected to the sliding clamping groove on the rectangular seat is provided with the scrap guide plates which are arranged in a regular triangle shape on the end face close to the rotating shaft, and the scrap guide plates are located below the corresponding arc-shaped supports.

The invention has the beneficial effects that: 1. the invention discloses a reciprocating type grinding device for the circumferential surface of an electric spindle, which is characterized in that a rotating shaft is placed between two arc-shaped supports, then supporting discs on two sides of the rotating shaft are clamped and fixed in an extrusion mode, and then the supporting discs and the rotating shaft are driven to rotate in a reciprocating mode through the rotating shaft, so that grinding strips grind the surface of the rotating shaft, the problem that when the rotating shaft is fixed through a traditional clamping rotating shaft, the clamping part of the rotating shaft is difficult to grind is solved, the rotating shaft is ground in a one-time and unified mode, the problem that time and labor are wasted in secondary grinding is solved, meanwhile when the grinding strips are installed, the grinding strips are only required to be inserted into slots, then the locking rods are rotated until the locking rods cannot rotate, the grinding strips can be fixedly connected onto a strip-shaped seat, convenience in grinding strip replacement is improved, the problem that time and labor are wasted in grinding strip installation is solved, and accordingly the efficiency in grinding strip replacement is improved.

2. The abutting hole is of a conical structure, the diameter of the conical structure is gradually reduced from the outer wall of the rectangular plug to the inside, so that the abutting head is tightly attached to the abutting hole, the abutting force on the polishing strip is increased, and the stability of the fixed connection of the polishing strip is improved.

3. According to the scrap guide device, the scrap guide plates which are arranged in a regular triangle shape are arranged on the end face, close to the rotating shaft, of the triangular seat which is connected to the sliding clamping groove in a sliding mode, on the rectangular seat, the scrap guide plates are located below the corresponding arc supports, and the scrap guide plates are used for preventing the problem that scraps falling from the arc supports fall into the sliding clamping groove to affect the movement of the rectangular seat.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic main perspective structure of the present invention.

Fig. 2 is a partial perspective view of the present invention.

FIG. 3 is a schematic perspective view of the support leg, the receptacle, the anti-attrition bead and the chip groove of the present invention.

Fig. 4 is a top view of the present invention.

Fig. 5 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 4 in accordance with the present invention.

Fig. 6 is an enlarged view of the invention at B in fig. 5.

Fig. 7 is an enlarged view of the invention at C in fig. 5.

Fig. 8 is a top cross-sectional view of the strip-shaped socket of the present invention connected to a rectangular plug.

In the figure: 1. a base; 10. supporting legs; 11. a bearing seat; 110. antifriction beads; 111. chip groove (ii) a; 12. an inverted V-shaped frame; 13. a chip groove is formed; 2. a rectangular base; 20. a scrap guide plate; 3. a triangular base; 30. a guide chute; 31. a guide slide bar; 32. connecting the framework; 33. a fixing plate; 34. a lower chute; 35. a strip-shaped seat; 350. a rectangular jack; 351. a rectangular plug; 352. abutting and fixing the hole; 353. a receiving groove; 354. abutting and fixing the head; 355. a moving groove; 357. a driving strip; 359. an L-shaped rod; 358. a driving groove; 360. a circular hole; 361. a locking lever; 362. a gear; 363. a guide block; 364. a rack; 36. connecting blocks; 37. sliding and collecting the groove; 38. a retractable plate; 39. polishing the strips; 4. a slide clamp groove; 5. carrying out arc support; 6. a rotating shaft; 7. a rotating shaft; 8. disc pushing; 80. a rubber gasket.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

Referring to fig. 1, fig. 2 and fig. 6, a reciprocating type grinding device of electricity main shaft circumference surface, which comprises a base 1, the up end of base 1 is provided with along its length direction symmetrical arrangement's grip slipper, the grip slipper comprises rectangle seat 2 and the triangle seat 3 of the installation of rectangle seat 2 top, slide groove 4 has been seted up to the up end of base 1, one of them rectangle seat 2 and slide groove 4 sliding connection, another rectangle seat 2 and base 1 fixed connection, the arc bearing 5 that is regular triangle and arranges is all installed to the opposite face of two triangle seats 3, wherein the radius of the arc bearing 5 of fixing on the triangle seat 3 on base 1 through rectangle seat 2 is greater than the radius of the arc bearing 5 of the opposite side of arranging along base 1 length direction, arrange and placed pivot 6 jointly on two corresponding arc bearings 5 along base 1 length direction, the opposite face of two triangle seats 3 all rotates and is connected with the rotation axis 7 that is regular triangle and arranges with the centre of a circle of rotation axis 7 of rotation axis 5, the centre of a circle of rotation axis 7 is close to the end of rotation axis 6 and installs and supports a set 8, the one end of rotation axis 7 with big arc 5 concentric is kept away from supporting and is equipped with supporting belt pulley through connecting between the triangle seat 3 and is connected through the belt pulley.

Referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 7, two the opposite faces of the triangular seat 3 are all provided with a guide chute 30 arranged in a regular triangle, the top of the guide chute 30 runs through the triangular seat 3, a guide slide bar 31 is slidably connected in the guide chute 30, a connecting framework 32 is jointly installed at the tops of three guide slide bars 31 on the same triangular seat 3, a fixing plate 33 is installed at the top of the triangular seat 3, lower slide grooves 34 are respectively provided on the opposite faces of the two fixing plates 33, a slide block sliding up and down in the lower slide grooves 34 is connected with the connecting framework 32, bar seats 35 are arranged along the length direction of the base 1 and are installed between the two corresponding guide slide bars 31, one ends of the bar seats 35 close to the belt are connected with the guide slide bars 31 through connecting blocks 36, one ends of the bar seats 35 far away from the belt are provided with sliding grooves 37, the sliding grooves 37 are connected with the corresponding guide slide bars 31 through telescopic plates 38, the bottoms of the bar seats 35 can be detachably connected with polishing strips 39, and the bottoms of the polishing strips 39 are attached to the side walls of the rotating shaft 6.

Three arc bearings 5 on the triangular seat 3 are arranged in a triangular shape, a plurality of rotating shafts 6 are convenient to be placed and fixed one by one, meanwhile, scraps on the rotating shafts 6 are convenient to be ground and fall downwards, when the three arc bearings 5 are in operation, the rotating shafts 6 are placed on the two corresponding arc bearings 5, the arc bearings 5 support the rotating shafts 6, then the rectangular seats 2 in sliding connection with the sliding clamp grooves 4 drive the triangular seats 3 at the upper ends of the rotating shafts to move towards the rotating shafts 6, until the rotating shafts 6 are abutted against and fixed with the abutting discs 8 at two sides of the rotating shafts 6, the rotating shafts 6 are abutted against and fixed through the abutting discs 8 at two sides, so that the problem that when the rotating shafts 6 are fixed through the traditional clamping rotating shafts 6 is avoided, the clamping parts of the rotating shafts 6 are difficult to be ground, the rotating shafts 6 are ground in a unified mode, the problem that time and labor are wasted in secondary grinding later is avoided, one of the rotating shafts 7 provided with belt wheels is connected with external driving equipment (such as a forward and reverse rotating motor), the external driving equipment to rotate the rotating shafts 7 to rotate forward and reverse rotating the other rotating shafts 7 through the belt wheels, and the rotating shafts 6 are driven by the tightening force in a reciprocating grinding process of rotating the rotating shafts 39.

Before the rotating shaft 6 is placed, the sliding guide rod 31, the strip-shaped seat 35 and the polishing strip 39 are driven to move upwards through the slider until the slider abuts against the top of the lower sliding groove 34, so that the rotating shaft 6 can be placed on the two arc-shaped supports 5, then the rotating shaft 6 is clamped tightly, when the rectangular seat 2 connected with the sliding clamping groove 4 drives the triangular seat 3 at the upper end of the rectangular seat to move towards the rotating shaft 6, the expansion plate 38 contracts towards the sliding receiving groove 37 until the two ends of the rotating shaft 6 are abutted and fixed by the abutting discs 8, after the rotating shaft 6 is fixed, the slider drives the sliding guide rod 31, the strip-shaped seat 35 and the polishing strip 39 to move downwards until the polishing strip 39 is tightly attached to the side wall at the top of the rotating shaft 6, the polishing strip 39 is completely attached to the side wall of the rotating shaft 6, the one-time comprehensive polishing function of the rotating shaft 6 is realized, the problem that the rotating shaft 6 is subjected to secondary polishing after time and labor is avoided, meanwhile, the clamping and the disassembling connection between the polishing strip 39 and the strip seat 35 is convenient for replacing the damaged polishing strip 39, and the polishing of different rotating shafts with different structures is convenient, and the applicable range is expanded.

Referring to fig. 6, a rubber gasket 80 is installed on an end surface of the thrust disc 8 away from the rotating shaft 7, and the rubber gasket 80 is used for increasing the friction force between the thrust disc 8 and the rotating shaft 6.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, three groups of supporting components evenly arranged along its width direction are installed at the top of base 1, and supporting component is located pivot 6 under, and the supporting component of every group comprises the bearing seat 11 that is the arc form of installing jointly on two supporting legs 10 and two supporting legs 10 along 1 length direction symmetrical arrangement of base, and bearing seat 11 supports pivot 6, prevents that the holding power of pivot 6 bottom is not enough, the placing of pivot 6 of also being convenient for simultaneously.

Referring to fig. 3, 5 and 6, the end face of the arc bearing 5 far away from the triangular seat 3, the concave arc face of the arc bearing 5 and the three end faces of the concave arc face of the bearing seat 11 are all connected with antifriction beads 110 uniformly distributed along the length direction of the bearing seat 11 and the axial direction of the bearing seat 11 in a rolling manner, and the antifriction beads 110 are used for reducing the friction force of the rotating shaft 6 in the rotating process, so that the rotating shaft 7 can drive the rotating shaft 6 to rotate.

Referring to fig. 5, 7 and 8, the bottom of the bar-shaped seat 35 is provided with a slot, the polishing strip 39 is slidably connected in the slot, the top of the slot is provided with rectangular jacks 350 uniformly arranged along the length direction of the bar-shaped seat 35, the polishing strip 39 is provided with rectangular plugs 351 uniformly arranged along the length direction and corresponding to the rectangular jacks 350 one by one, two sides of the rectangular plugs 351 along the length direction of the polishing strip 39 are provided with abutting holes 352, the abutting holes 352 are conical structures with diameters gradually decreasing from the outer wall of the rectangular plugs 351 inward, the inner side wall of the rectangular jacks 350 along the length direction of the polishing strip 39 is provided with accommodating grooves 353, the accommodating grooves 353 are slidably connected with abutting heads 354 tightly matched with the abutting holes 352, the bar-shaped seat 35 is provided with moving grooves 355 symmetrically arranged along the width direction, the moving grooves 355 are slidably connected with driving strips 357, rectangle jack 350 is located between two shifting chutes 355, drive groove 358 has all been seted up on two grooves 353 of accomodating of rectangle jack 350 both sides, accomodate groove 353 and one of them shifting chute 355 intercommunication through driving groove 358, install on the support head 354 and run through behind the drive groove 358 with drive strip 357 fixed connection's L type pole 359, circular port 360 with two shifting chute 355 all communicate is seted up at the middle part of bar seat 35, be connected with check lock lever 361 through screw-thread fit's mode in the circular port 360, the spout has been seted up on the check lock lever 361, the top of check lock lever 361 is rotated and is run through bar seat 35, circular port 360 internal rotation is connected with the gear 362 of cover establishing on check lock lever 361, install the guide block 363 with spout sliding connection on the gear 362, all install on two drive strips 357 and gear 362 meshing driven rack 364.

The polishing strip 39 is inserted into the slot, so that the rectangular plug 351 enters the rectangular jack 350, then the locking rod 361 is rotated, the locking rod 361 slides downwards in a threaded matching mode in the rotating process, meanwhile, the locking rod 361 drives the gear 362 to rotate, the gear 362 drives the two driving strips 357 connected with the two racks 364 to move in opposite directions through meshing with the racks 364 on the two sides in the rotating process, the driving strips 357 drives the abutting heads 354 to move towards the abutting holes 352 through the L-shaped rods 359 in the moving process, until the abutting heads 354 abut against the abutting holes 352 to fix the polishing strip 39, and the abutting holes 352 are of a conical structure with the diameter gradually reduced from the outer wall of the rectangular plug 351 inwards, so that the abutting heads 354 are tightly attached to the abutting holes 352, the abutting force on the polishing strip 39 is increased, the stability of the fixed connection of the polishing strip 39 is improved, and meanwhile, the removal and the replacement of the polishing strip 39 are more convenient.

Referring to fig. 1, fig. 3, fig. 5 and fig. 6, the arc bearing 5 and the receptacle 11 are both provided with chip discharge grooves 111 uniformly arranged along the length direction of the base 1, the chip discharge grooves 111 are Y-shaped structures, and the chip discharge grooves 111 and the wear reducing beads 110 are arranged in a staggered manner, so that the chip discharge grooves 111 fall downwards in order to facilitate the concentration of chips, and meanwhile, the problem of insufficient supporting capability caused by the too small bearing area of the arc bearing 5 and the receptacle 11 is avoided by the Y-shaped structure of the chip discharge grooves 111.

Refer to fig. 1, the type of falling V frame 12 of evenly arranging along its width direction is installed at base 1's top, the type of falling V frame 12 that is located the middle part highly is higher than the type of falling V frame 12 height of both sides, type of falling V frame 12 is located the below of accepting seat 11, and supporting leg 10 runs through type of falling V frame 12, the upper and lower bits groove 13 that falls that link up that evenly arranges along its width direction is installed at base 1's top, the bits groove 13 that falls and the type of falling V frame 12 crisscross arrangement, the piece that type of falling V frame 12 was convenient for polish falls to the bits groove 13 landing to in order to concentrate the collection to the piece.

Referring to fig. 1, the end face of the triangular seat 3, which is close to the rotating shaft 6, of the rectangular seat 2, which is connected to the sliding clamping groove 4 in a sliding manner, is provided with the scrap guide plate 20 arranged in a regular triangle, the scrap guide plate 20 is located below the corresponding arc-shaped support 5, and the scrap guide plate 20 is used for preventing the problem that the scraps falling from the arc-shaped support 5 fall into the sliding clamping groove 4 to affect the movement of the rectangular seat 2.

During operation, in the first step, place pivot 6 on two corresponding arc bearings 5, arc bearing 5 supports pivot 6, then drives the trigonometry 3 of its upper end to pivot 6 removal with 4 sliding connection's of sliding clamp groove rectangle seat 2, supports tightly fixedly until pivot 6 and the support dish 8 of its both sides.

Secondly, after the rotating shaft 6 is fixed, the sliding block drives the guide slide rod 31, the strip-shaped seat 35 and the polishing strip 39 to move downwards until the polishing strip 39 is tightly attached to the top side wall of the rotating shaft 6.

And thirdly, one of the rotating shafts 7 provided with the belt wheel is connected with external driving equipment (such as a forward and reverse rotating motor), the external driving equipment drives the rotating shaft 7 connected with the external driving equipment to rotate in a forward and reverse rotating mode, the rotating shaft 7 drives the other rotating shafts 7 to rotate through the belt wheel and a belt, the rotating shaft 7 drives the rotating shaft 6 to rotate through abutting force in the rotating process, and the grinding strip 39 performs reciprocating rotation grinding on the spindle in the rotating process of the rotating shaft 6.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a reciprocating type grinding device of electricity main shaft circumferential surface which characterized in that: comprises a base (1), the upper end face of the base (1) is provided with clamping seats symmetrically arranged along the length direction, each clamping seat consists of a rectangular seat (2) and triangular seats (3) installed at the top of the rectangular seat (2), the upper end face of the base (1) is provided with a sliding clamping groove (4), one rectangular seat (2) is in sliding connection with the sliding clamping groove (4), the other rectangular seat (2) is fixedly connected with the base (1), the opposite faces of the two triangular seats (3) are provided with arc bearings (5) arranged in a regular triangle, wherein the radius of the arc bearing (5) fixed on the triangular seat (3) on the base (1) through the rectangular seat (2) is larger than that of the arc bearing (5) arranged on the other side along the length direction of the base (1), the arc bearings (5) arranged along the length direction of the base (1) and provided with a rotating shaft (6) on the two corresponding arc bearings (5), the opposite faces of the two triangular seats (3) are rotatably connected with a rotating shaft (7) arranged in a regular triangle, the arc circle center of the rotating shaft (7) is aligned with the arc bearing (5), one end face of the rotating shaft (7) which is provided with a supporting belt pulley (8) which runs through the rotating shaft (7) and is arranged concentrically, the belt wheels are in transmission connection through a belt;

two guiding chute (30) that are regular triangle and arrange are all seted up to triangular seat (3) opposite face, and guiding chute (30)'s top runs through triangular seat (3), sliding connection has guiding slide bar (31) in guiding chute (30), three guiding slide bar (31) top on same triangular seat (3) is installed jointly and is connected skeleton (32), fixed plate (33) are installed at the top of triangular seat (3), spout (34) are all opened to the opposite face of two fixed plate (33), be connected with connecting skeleton (32) through gliding slider from top to bottom in gliding chute (34), arrange and install bar seat (35) between corresponding two guiding slide bar (31) along base (1) length direction, bar seat (35) are close to the one end of belt and are connected through connecting block (36) and guiding slide bar (31), one end that the belt was kept away from to bar seat (35) has been seted up collection groove (37), collection groove (37) and corresponding guiding slide bar (31) are connected through expansion plate (38), the bottom of bar seat (35) is connected with can dismantle the strip of polishing (39), the pivot (6) of polishing and laminating.

2. The motorized spindle circumferential surface reciprocating abrading device of claim 1, the method is characterized in that: the bottom of the bar-shaped seat (35) is provided with a slot, the polishing strips (39) are slidably connected in the slot, the top of the slot is provided with rectangular jacks (350) which are uniformly distributed along the length direction of the bar-shaped seat (35), the polishing strips (39) are provided with rectangular plugs (351) which are uniformly distributed along the length direction of the polishing strips and correspond to the rectangular jacks (350) one by one, the rectangular plugs (351) are provided with abutting holes (352) along the two sides of the length direction of the polishing strips (39), the abutting holes (352) are conical structures of which the diameters are gradually reduced inwards from the outer walls of the rectangular plugs (351), the rectangular jacks (350) are provided with accommodating grooves (353) along the inner side walls of the length direction of the polishing strips (39), the accommodating grooves (353) are slidably connected with abutting heads (354) which are tightly matched with the abutting holes (352) in an abutting mode, the bar-shaped seat (35) is provided with moving grooves (355) which are symmetrically distributed along the width direction of the bar-shaped seat, the moving grooves (355) are slidably connected with the moving strips (357), the rectangular jacks (350), the moving grooves (353) drive the moving grooves (358) to drive the moving rods (358) to pass through the moving grooves (358) which are communicated with the fixed bars (358), circular port (360) with two moving groove (355) equal intercommunications are seted up at the middle part of bar seat (35), be connected with locking lever (361) through screw-thread fit's mode in circular port (360), the spout has been seted up on locking lever (361), bar seat (35) are run through in the top rotation of locking lever (361), circular port (360) internal rotation is connected with gear (362) that the cover was established on locking lever (361), install guide block (363) with spout sliding connection on gear (362), all install on two drive strip (357) and mesh driven rack (364) with gear (362).

3. The motorized spindle circumferential surface reciprocating abrading device of claim 1, wherein: and a rubber gasket (80) is arranged on the end face, far away from the rotating shaft (7), of the abutting disc (8).

4. The motorized spindle circumferential surface reciprocating abrading device of claim 1, wherein: three groups of supporting assemblies which are evenly distributed along the width direction of the base are installed at the top of the base (1), the supporting assemblies are located under the rotating shaft (6), each group of supporting assemblies is composed of two supporting legs (10) which are symmetrically arranged along the length direction of the base (1) and two supporting legs (10), the supporting seats (11) which are jointly installed and are arc-shaped are arranged on the supporting legs, and the supporting shafts (6) are supported by the supporting seats (11).

5. The motorized spindle circumferential surface reciprocating abrading device of claim 4, wherein: the grinding reduction device is characterized in that the end face, far away from the triangular seat (3), of the arc bearing (5), the concave arc face of the arc bearing (5) and the three end faces, far away from the concave arc face of the bearing seat (11), of the concave arc face of the bearing seat (11) are connected with grinding reduction beads (110) which are evenly distributed along the length direction of the bearing seat (11) and the axial direction of the bearing seat (11) in a rolling mode.

6. The motorized spindle circumferential surface reciprocating abrading device of claim 5, wherein: the arc-shaped bearing (5) and the bearing seat (11) are provided with chip grooves (111) which are uniformly distributed along the length direction of the base (1), the chip grooves (111) are Y-shaped structures, and the chip grooves (111) and the antifriction beads (110) are distributed in a staggered mode.

7. The motorized spindle circumferential surface reciprocating abrading device of claim 5, wherein: the utility model discloses a chip falling machine, including base (1), the top of base (1) is installed and is followed the type of falling V frame (12) that its width direction evenly arranged, the type of falling V frame (12) that is located the middle part highly is higher than the type of falling V frame (12) height of both sides, type of falling V frame (12) are located the below of accepting seat (11), and supporting leg (10) run through type of falling V frame (12), the upper and lower bits groove (13) that link up that evenly arrange along its width direction is installed at the top of base (1), the bits groove (13) that fall staggers with type of falling V frame (12) and arranges.

8. The motorized spindle circumferential surface reciprocating abrading device of claim 1, wherein: triangular seat (3) of sliding connection on rectangle seat (2) on sliding clamp groove (4) is close to the terminal surface of pivot (6) and installs chip guide plate (20) that are regular triangle and arrange, and chip guide plate (20) are located the below of corresponding arc bearing (5).