CN117681070A - Precise grinding machine - Google Patents

Abstract

The invention relates to the technical field of grinding machines, in particular to a precise grinding machine, which comprises a supporting bottom frame, wherein an inner convex bearing plate is fixedly arranged in the supporting bottom frame, an electric telescopic rod is fixedly arranged on the inner convex bearing plate, guide fixing rods are fixedly arranged on the supporting bottom frame at the opposite positions of the supporting bottom frame and the inner convex bearing plate, mounting vertical plates are symmetrically and fixedly arranged on two sides of the supporting bottom frame, mounting through holes are formed in the mounting vertical plates, when a winding roller with rubber cloth is mounted, the winding roller with the rubber cloth is placed on a bearing moving plate, a rectangular bearing column is contacted with a positioning movable block, positioning of the winding roller is further achieved, then the electric telescopic rod is started to drive the winding roller to move upwards, automatic mounting of the winding roller is achieved, and when the winding roller is dismounted, the electric telescopic rod is started again to enable the winding roller to move upwards again, so that automatic dismounting of the winding roller is achieved, and the convenience is achieved.

Description

Precise grinding machine

Technical Field

The invention relates to the technical field of grinding machines, in particular to a precise grinding machine.

Background

The rubber cloth is a cloth with good flexibility, ultraviolet resistance, water resistance and air tightness, and is widely applied in various fields, and particularly fully applied in flood control and rescue engineering.

The rubber cloth is produced, then rubber particles exist on the surface of the rubber cloth, the surface of the rubber cloth needs to be polished to ensure the smoothness of the surface of the rubber cloth, at present, the rubber cloth is precisely polished through the polishing roller, the polishing quality can be well ensured, but the rubber cloth is still insufficient, namely, when the rubber cloth is polished, the roller which is wound with the rubber cloth is required to be installed on the polishing machine, then the rubber cloth is supported and released through a plurality of rollers to reach the polishing roller for polishing, the roller which is wound with the rubber cloth is wound after polishing, the weight of the roller is relatively large, the installation of the roller is carried out manually, the whole installation process is very labor-consuming, the installation is troublesome, more time is required to be consumed, and the polishing efficiency of the rubber cloth is affected.

Disclosure of Invention

The present invention is directed to a precision grinding machine, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a precision grinding machine, includes the support underframe, the inside fixed interior protruding carrier plate that is provided with of support underframe, fixed mounting has electric telescopic handle on the interior protruding carrier plate, fixedly on the support underframe with interior protruding carrier plate relative position be provided with the direction dead lever, and the both sides symmetry of support underframe is fixed to be provided with the installation riser, the installation through-hole has been seted up on the installation riser, and the fixed upper end of installation riser is provided with protruding carrier, the cooperation removal hole has been seted up on the protruding carrier, is provided with the convenient quick install and tear mechanism of wind-up roll between the installation riser, installs the wind-up roll through the convenient quick install and tear mechanism of wind-up roll, the both ends symmetry of wind-up roll is fixed to be provided with the rectangle and holds the post.

Preferably, the convenient installing and detaching mechanism of wind-up roll includes the rotating disc body, bears movable board, activity carrier block, buffer spring, location movable block, coupling spring, cooperation drive slat, reset spring and removal block, the rotating disc body is two, and the symmetry is installed on the installation riser, and the symmetry is fixed to be provided with the protrusion disc on the rotating disc body, and the connection jack has been seted up to one side of rotating disc body, the inside symmetry of connection jack has been seted up the cooperation spacing groove, and the rectangle cooperation chamber has been seted up to the opposite side of rotating disc body, the wind-up roll is in between two rotating disc bodies, has pegged graft the rectangle in the rectangle cooperation chamber and has held the post.

Preferably, the connecting jack is inserted with a rotating cylinder, the rotating cylinder is symmetrically and fixedly provided with a limiting matching strip, the limiting matching strip is inserted into a matching limiting groove, the rotating cylinder is sleeved with a first bearing, the first bearing is installed in an installation through hole, the rotating disc body is sleeved with a connecting driving ring, the connecting driving ring is located between two protruding discs, the upper end of the connecting driving ring is fixedly provided with an upper protruding connecting frame, the inside of the connecting driving ring is provided with a second bearing, and the second bearing is sleeved on the rotating disc body.

Preferably, the bearing moving plate is fixedly arranged on the electric telescopic rod, two ends of the bearing moving plate are symmetrically and fixedly provided with two limiting fixed vertical plates, the number of the limiting fixed vertical plates at each end is two, the inner sides of the limiting fixed vertical plates are provided with matched downward moving grooves, and the bearing moving plate between the two limiting fixed vertical plates at each end is provided with an inserting through hole.

Preferably, the supporting protruding plates are fixedly arranged on each of the limiting fixing vertical plates of the bearing moving plate, limiting supporting strips are symmetrically and fixedly arranged on two sides of the supporting protruding plates, the fixing protruding plates are fixedly arranged on the supporting protruding plates, limiting ejector rods are fixedly arranged on the fixing protruding plates, the supporting protruding plates are hinged with hinged rotatable plates, and the lower end faces of the hinged rotatable plates are in contact with the limiting supporting strips.

Preferably, the two sides of the bearing moving plate are symmetrically and fixedly provided with protruding fixing bearing blocks, the protruding fixing bearing blocks are provided with matching through holes and connecting through holes, the protruding fixing bearing blocks are fixedly provided with lower inserting locating strips, and the lower inserting locating strips face downwards vertically.

Preferably, the movable bearing blocks are symmetrically arranged at two ends of the bearing moving plate, the two ends of the movable bearing blocks are symmetrically and fixedly provided with matched sliding blocks, the matched sliding blocks are inserted into the matched downward moving grooves, the lower ends of the movable bearing blocks are fixedly provided with matched supporting rods, the matched supporting rods are inserted into the insertion through holes, and the matched supporting rods are sleeved with buffer springs.

Preferably, the lower extreme of location movable block is fixed and is provided with down and prolong the connecting plate, down prolong the connecting plate and peg graft in the cooperation through-hole, and down prolong the lower extreme handing-over of connecting plate and have the articulated actuating lever, the upper end of articulated actuating lever articulates there is by the movable frame that pushes up, by the last cooperation runner of installing of movable frame that pushes up, and by the fixed loading and installing pole that is provided with on the movable frame that pushes up, the last connecting spring that has cup jointed of loading and installing pole, and the loading and installing pole peg graft in the connecting through-hole.

Preferably, the lower extreme that the cooperation drove the slat has offered the direction mating hole, it has the direction dead lever to peg graft in the direction mating hole, reset spring has been cup jointed on the direction dead lever, the cooperation drove the lower extreme bilateral symmetry of slat and is fixedly provided with cooperation side slat, set up positioning groove on the cooperation side slat, and the cooperation side slat is last to be fixedly provided with vertical pushing strip, the cooperation drove fixedly on the slat and is provided with the support setting plate, the bilateral symmetry of support setting plate is fixedly provided with fixed drive board, be provided with the cooperation inclined plane on the fixed drive board, the upside of cooperation inclined plane is provided with vertical mating surface, and the cooperation of support setting plate upside drives fixedly mounted on the slat and has position sensor.

Preferably, the cooperation drives the fixed upper top connecting plate that is provided with of upper top connecting plate, the fixed slope connecting strip that is provided with in both sides symmetry of upper top connecting plate, the inboard of slope connecting strip is provided with slope connecting channel, and is connected with between the slope connecting strip and remove the block, the fixed cooperation passageway post that is provided with in both sides of removal block, cooperation passageway post is pegged graft in slope connecting channel, and the fixed linking inserted bar that is provided with in lower extreme of removal block, linking inserted bar is pegged graft in the cooperation and is removed the hole, and links up the fixed connection bottom plate that is provided with in lower extreme of inserted bar, the bilateral symmetry of connection bottom plate articulates there is the drive hinge pole, the lower extreme that drives the hinge pole articulates there is protruding link.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality and has the following advantages:

1. when carrying out the installation of wind-up roll that the rolling has the rubber blanket, place it on bearing the movable plate, the rectangle holds the post and is contacted with the location movable block, and then realize the location of wind-up roll, then start electric telescopic handle and can drive the wind-up roll and reciprocate, realize the automatic installation of wind-up roll, when carrying out the dismantlement of wind-up roll, only need to start electric telescopic handle again and make it reciprocate again, and then realize the automatic dismantlement of wind-up roll, very convenient, need not the manual work and carry out the ann of wind-up roll and tear open, the ann of wind-up roll of having made things convenient for greatly and tear the work open, the going on of staff's work has been made things convenient for.

2. When the wind-up roll is installed, the electric telescopic rod drives the wind-up roll to move upwards, and simultaneously, the bearing moving plate drives the matching to drive the ribbon board to move, and then the two rotating disc bodies can be driven to move back to back under the action of the matching driving ribbon board, when the wind-up roll moves between the two rotating disc bodies, the matching is driven to reversely move under the action of the reset spring, and then the rectangular bearing column is spliced in the two rotating disc bodies to automatically install the wind-up roll.

3. When bearing the movable plate and down moving, articulated rotatable plate rotates upwards, and then bear the movable plate and can not promote the cooperation and drive the slat and remove, like this make bear the movable plate and cross fixed riser smoothly and reset, insert the location strip simultaneously down and peg graft in positioning groove, make the cooperation drive the slat and can not take place to remove, and then guaranteed the stability of wind-up roll installation, and when dismantling, bear the movable plate and upwards remove, make wind-up roll and rotating disk body separation, the wind-up roll falls down on bearing the movable plate voluntarily, and can play certain cushioning effect to it through buffer spring, realize its dismantlement smoothly.

Drawings

Fig. 1 is an assembly schematic of a precision grinder.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 1.

Fig. 4 is an enlarged schematic view at C in fig. 1.

FIG. 5 is an exploded view of the wind-up roll and rotating disc assembly.

Fig. 6 is a first view schematic diagram of a carrier moving plate assembly.

Fig. 7 is a second view schematic diagram of the carrier moving plate assembly.

Fig. 8 is a schematic structural view of the carrying moving plate.

Fig. 9 is an exploded view of the assembly of the cooperating driven flights and moving blocks.

In the figure: 1. a supporting bottom frame; 10. an inner convex bearing plate; 11. an electric telescopic rod; 12. a guide fixing rod; 13. installing a vertical plate; 14. mounting through holes; 15. an upper convex bearing frame; 16. matching with the moving hole; 2. a wind-up roll; 21. rectangular support columns; 3. rotating the disc body; 31. a protruding disc; 32. a connection jack; 33. a limit groove is matched; 34. a rectangular mating cavity; 35. rotating the column; 36. a limit matching strip; 37. a first bearing; 38. connecting a drive ring; 381. an upward protruding connecting frame; 39. a second bearing; 4. carrying a moving plate; 41. limiting and fixing the vertical plate; 42. matching with a downward moving groove; 43. inserting through holes; 44. supporting the protruding plate; 45. limiting support strips; 46. fixing the protruding plate; 47. limiting ejector rod; 48. hinging the rotatable plate; 49. protruding a fixed bearing block; 491. a mating through hole; 492. inserting a positioning strip downwards; 493. a connecting through hole; 5. a movable bearing block; 51. matching with the sliding block; 52. a supporting rod is matched; 53. a buffer spring; 6. positioning the movable block; 61. a lower extension connecting plate; 62. a hinged driving rod; 63. a quilt top movable frame; 64. matching with a rotating wheel; 65. a load-bearing mounting bar; 66. a connecting spring; 7. the strip plates are driven in a matched manner; 71. a guide fitting hole; 72. a return spring; 73. matching the side strips; 74. a positioning groove; 75. a vertical pushing bar; 76. a support setting plate; 77. fixing a driving plate; 771. matching with the inclined plane; 772. a vertical mating surface; 78. a position sensor; 79. a top connection plate; 791. tilting the connecting strip; 792. an inclined connecting channel; 8. moving the block; 81. matching the channel column; 82. connecting the inserted link; 83. a connecting bottom plate; 831. driving the hinge rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1 to 9, the present invention provides a technical solution:

the utility model provides a precision grinding machine, including supporting underframe 1, the inside fixed interior protruding carrier plate 10 that is provided with of supporting underframe 1, fixed mounting has electric telescopic handle 11 on the interior protruding carrier plate 10, fixedly on the supporting underframe 1 with interior protruding carrier plate 10 relative position on be provided with direction dead lever 12, and the both sides symmetry of supporting underframe 1 is fixed to be provided with installation riser 13, install through-hole 14 has been seted up on the installation riser 13, and the fixed upper end of installation riser 13 is provided with protruding carrier 15, the cooperation removal hole 16 of having seted up on the protruding carrier 15, be provided with the convenient safety of wind-up roll and tear the mechanism between the installation riser 13, install wind-up roll 2 through the convenient safety of wind-up roll and tear the mechanism open, the both ends symmetry of wind-up roll 2 is fixed and is provided with rectangle support post 21.

The convenient installing and detaching mechanism of the wind-up roll comprises a rotating disc body 3, a bearing moving plate 4, a movable bearing block 5, a buffer spring 53, a positioning moving block 6, a connecting spring 66, a matched driving slat 7, a reset spring 72 and a moving block 8, wherein the rotating disc body 3 is symmetrically arranged on an installing vertical plate 13, a protruding disc 31 is symmetrically and fixedly arranged on the rotating disc body 3, a connecting jack 32 is formed in one side of the rotating disc body 3, a matched limiting groove 33 is symmetrically formed in the connecting jack 32, a rectangular matched cavity 34 is formed in the other side of the rotating disc body 3, the wind-up roll 2 is positioned between the two rotating disc bodies 3, a rectangular supporting column 21 is inserted in the rectangular matched cavity 34, and the surface of the rectangular supporting column 21 is in contact with the inner wall of the rectangular matched cavity 34.

The connection jack 32 is inserted with a rotation cylinder 35, the rotation cylinder 35 is symmetrically and fixedly provided with a limit matching strip 36, the limit matching strip 36 is inserted into the matching limit groove 33, the rotation cylinder 35 is sleeved with a first bearing 37, the first bearing 37 is installed in the installation through hole 14, the rotation disc body 3 is sleeved with a connection driving ring 38, the connection driving ring 38 is positioned between two protruding discs 31, the upper end of the connection driving ring 38 is fixedly provided with an upward protruding connection frame 381, the inside of the connection driving ring 38 is provided with a second bearing 39, the second bearing 39 is sleeved on the rotation disc body 3, and in addition, the connection driving ring 38 is contacted with the protruding discs 31.

The bearing moving plate 4 is fixedly arranged on the electric telescopic rod 11, two ends of the bearing moving plate 4 are symmetrically and fixedly provided with limiting fixed vertical plates 41, two limiting fixed vertical plates 41 are arranged at each end, a matched downward moving groove 42 is formed in the inner side of each limiting fixed vertical plate 41, and a plugging through hole 43 is formed in the bearing moving plate 4 between the two limiting fixed vertical plates 41 at each end.

The supporting protruding plates 44 are fixedly arranged on each of the limiting and fixing vertical plates 41 of the bearing moving plate 4, limiting supporting strips 45 are symmetrically and fixedly arranged on two sides of the supporting protruding plates 44, the fixing protruding plates 46 are fixedly arranged on the supporting protruding plates 44, limiting ejector rods 47 are fixedly arranged on the fixing protruding plates 46, the supporting protruding plates 44 are hinged with hinged rotatable plates 48, and the lower end faces of the hinged rotatable plates 48 are in contact with the limiting supporting strips 45.

The two sides of the bearing moving plate 4 are symmetrically and fixedly provided with a convex fixing bearing block 49, the convex fixing bearing block 49 is provided with a matching through hole 491 and a connecting through hole 493, and the convex fixing bearing block 49 is fixedly provided with a lower inserting locating strip 492, and the lower inserting locating strip 492 faces downwards vertically.

The movable bearing blocks 5 are symmetrically arranged at two ends of the bearing moving plate 4, the two ends of the movable bearing blocks 5 are symmetrically and fixedly provided with matched sliding blocks 51, the matched sliding blocks 51 are inserted into the matched downward moving grooves 42, the lower ends of the movable bearing blocks 5 are fixedly provided with matched supporting rods 52, the matched supporting rods 52 are inserted into the insertion through holes 43, the matched supporting rods 52 are sleeved with buffer springs 53, the two ends of the buffer springs 53 are respectively welded on the bearing moving plate 4 and the movable bearing blocks 5, and the movable bearing blocks 5 are positioned between the two limiting fixed vertical plates 41 of each end of the bearing moving plate 4.

The lower extreme of location movable block 6 is fixed to be provided with down and prolong connecting plate 61, down prolong connecting plate 61 grafting in cooperation through-hole 491, and down prolong the lower extreme handing-over of connecting plate 61 and have articulated actuating lever 62, articulated actuating lever 62's upper end has by the movable frame 63 that pushes up, by the cooperation runner 64 of installing on the movable frame 63 that pushes up, and by the fixed loading and installing pole 65 that is provided with on the movable frame 63 that pushes up, the connecting spring 66 has been cup jointed on the loading and installing pole 65, and loading and installing pole 65 grafting is in the connecting through-hole 493, the both ends of connecting spring 66 weld respectively on protruding fixed spanners 49 and by the movable frame 63 that pushes up.

The lower extreme of cooperation drive slat 7 has seted up the direction mating hole 71, peg graft in the direction mating hole 71 and have had the direction dead lever 12, the last reset spring 72 that has cup jointed of direction dead lever 12, the both ends of reset spring 72 weld respectively on supporting underframe 1 and cooperation drive slat 7, cooperation drive slat 7's lower extreme bilateral symmetry is fixed to be provided with cooperation side slat 73, set up positioning groove 74 on the cooperation side slat 73, and fixed being provided with on the cooperation side slat 73 vertical pushing strip 75, fixed being provided with on the cooperation drive slat 7 supports setting plate 76, the both sides symmetry of supporting setting plate 76 is fixed and is provided with fixed drive plate 77, be provided with cooperation inclined plane 771 on the fixed drive plate 77, the upside of cooperation inclined plane 771 is provided with vertical fitting face 772, fixed mounting has position sensor 78 on the cooperation drive slat 7 of support setting plate 76 upside, in addition, vertical pushing strip 75 contacts with cooperation runner 64, before bearing moving plate 4 does not shift up, insert down positioning strip 492 peg graft in positioning groove 74.

The cooperation drives the upper end of slat 7 and fixedly is provided with top connection board 79, the both sides symmetry of top connection board 79 is fixedly provided with slope connecting strip 791, the inboard of slope connecting strip 791 is provided with slope connecting channel 792, and be connected with between the slope connecting strip 791 and remove block 8, the both sides symmetry of removing block 8 is fixedly provided with cooperation passageway post 81, cooperation passageway post 81 is pegged graft in slope connecting channel 792, cooperation passageway post 81 contacts with the inner wall of slope connecting channel 792, and the lower extreme of removing block 8 is fixedly provided with links up inserted bar 82, link up inserted bar 82 peg graft in cooperation removal hole 16, and the lower extreme of links up inserted bar 82 is fixedly provided with connecting bottom plate 83, the bilateral symmetry of connecting bottom plate 83 articulates there is drive hinge pole 831, drive hinge pole 831's lower extreme articulates there is protruding link 381.

One of the rotating columns 35 is connected with a motor in the prior art so as to drive the wind-up roll 2 to rotate, when the wind-up roll 2 with rubber cloth is installed, the wind-up roll is placed on the bearing moving plate 4, so that the rectangular bearing column 21 is lapped on the movable bearing block 5, the movable bearing block 5 moves downwards, the lower end surface of the movable bearing block 5 contacts with the inner bottom surface of the matched downward moving groove 42, the head of the rectangular bearing column 21 contacts with the positioning movable block 6, the wind-up roll 2 is positioned, the installation position of the wind-up roll 2 is accurate, then the electric telescopic rod 11 can be started to drive the bearing moving plate 4 to move upwards, the lower inserting positioning strip 492 is firstly withdrawn from the positioning groove 74 along with the upward movement of the bearing moving plate 4, the matched driving strip 7 is in an active state along with the upward movement of the bearing moving plate 4, the hinged rotatable plate 48 will be brought into contact with the mating inclined surface 771, and since the hinged rotatable plate 48 cannot rotate downwards under the action of the limit supporting strip 45, the hinged rotatable plate 48 will push the mating driving slat 7 to move away from the bearing movable plate 4, thus the movable block 8 will be driven to move downwards under the action of the inclined connecting channel 792, the two rotating disks 3 will be driven to move away from each other under the action of the driving hinge 831, at the same time the vertical pushing strip 75 will push the pushed movable frame 63 to move towards the direction approaching to the bearing movable plate 4 along with the movement of the mating driving slat 7, thus the positioning movable block 6 will be pushed to move downwards under the action of the hinge driving rod 62, so that it is no longer blocked at the rectangular bearing post 21, when the hinged rotatable plate 48 contacts with the vertical mating surface 772, the mating driving slat 7 will not move any more, until the hinged rotatable plate 48 passes over the vertical matching surface 772 and reaches the height of the position sensor 78, at this time, the electric telescopic rod 11 stops extending, the wind-up roll 2 reaches the installation position, the support of the hinged rotatable plate 48 is lost, the matching driving slat 7 is reset under the action of the reset spring 72, the movable block 8 moves upwards, the rotating disk body 3 is driven to reset under the action of the driving hinge rod 831, the rectangular bearing column 21 is spliced into the rectangular matching cavity 34, the installation of the wind-up roll 2 is realized, then the electric telescopic rod 11 is started to drive the bearing movable plate 4 to move downwards, meanwhile, the hinged rotatable plate 48 rotates upwards under the action of the fixed driving plate 77, the smooth downward movement of the bearing movable plate 4 is ensured, and the limiting ejector rod 47 can play a limiting role on the hinged rotatable plate 48, when the movable block passes over the fixed driving plate 77, the device can smoothly reset under the action of gravity, after the bearing moving plate 4 resets, the lower inserting locating strip 492 is inserted into the locating groove 74, plays a role in locating the matched driving slat 7, so that the slat 7 can not move, and further ensures the installation stability of the winding roller 2, after the rubber cloth on the winding roller 2 is released, the electric telescopic rod 11 is started to drive the bearing moving plate 4 to move upwards, the hinged movable plate 48 moves upwards without passing over the fixed driving plate 77, the two rotating disc bodies 3 are pushed to move oppositely, the winding roller 2 loses support and falls down onto the bearing moving plate 4 under the action of gravity, the rectangular bearing column 21 contacts with the movable bearing block 5, the movable bearing block 5 is pressed to move downwards until the lower end face of the matched sliding block 51 contacts with the inner bottom face of the matched downward moving groove 42, the buffer spring 53 can be buffered to a certain extent under the action of the buffer spring in the process, so that the disassembly is realized smoothly, the whole process is very convenient, the disassembly and assembly of the wind-up roller 2 are not needed manually, and the work of staff is greatly facilitated.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a precision polisher, includes support underframe (1), its characterized in that: an inner convex bearing plate (10) is fixedly arranged in the supporting bottom frame (1), an electric telescopic rod (11) is fixedly arranged on the inner convex bearing plate (10), guide fixing rods (12) are fixedly arranged on the supporting bottom frame (1) and at the opposite positions of the inner convex bearing plate (10), mounting vertical plates (13) are symmetrically and fixedly arranged on two sides of the supporting bottom frame (1), mounting through holes (14) are formed in the mounting vertical plates (13), an upper convex bearing frame (15) is fixedly arranged at the upper end of the mounting vertical plates (13), a matched moving hole (16) is formed in the upper convex bearing frame (15), a winding roller convenient mounting and dismounting mechanism is arranged between the mounting vertical plates (13), the winding roller (2) is installed through a winding roller convenient assembling and disassembling mechanism, rectangular bearing columns (21) are symmetrically and fixedly arranged at two ends of the winding roller (2), the winding roller convenient assembling and disassembling mechanism comprises a rotating disc body (3), a bearing moving plate (4), a movable bearing block (5), a buffer spring (53), a positioning movable block (6), a connecting spring (66), a matched driving slat (7), a reset spring (72) and a moving block (8), the number of the rotating disc bodies (3) is two, the rotating disc bodies are symmetrically arranged on an installation vertical plate (13), protruding discs (31) are symmetrically and fixedly arranged on the rotating disc body (3), and connection jack (32) have been seted up to one side of rotating disk body (3), cooperation spacing groove (33) have been seted up to the inside symmetry of connection jack (32), rectangular cooperation chamber (34) have been seted up to the opposite side of rotating disk body (3), wind-up roll (2) are in between two rotating disk bodies (3), peg graft in rectangular cooperation chamber (34) have rectangle to hold post (21).

2. A precision grinding machine according to claim 1, characterized in that: connect grafting in jack (32) have rotation cylinder (35), the fixed spacing cooperation strip (36) that is provided with of symmetry on rotation cylinder (35), spacing cooperation strip (36) are pegged graft in cooperation spacing groove (33), and cup jointed first bearing (37) on rotation cylinder (35), first bearing (37) are installed in installation through-hole (14), connect drive ring (38) have been cup jointed on rotation disk body (3), connect drive ring (38) be in between two protruding disc (31), and connect drive ring (38) upper end fixed be provided with protruding link (381), connect drive ring (38) internally mounted have second bearing (39), second bearing (39) cup joint on rotation disk body (3).

3. A precision grinding machine according to claim 2, characterized in that: the bearing moving plate (4) is fixedly arranged on the electric telescopic rod (11), two ends of the bearing moving plate (4) are symmetrically and fixedly provided with limiting fixing vertical plates (41), the number of the limiting fixing vertical plates (41) of each end is two, the inner side of each limiting fixing vertical plate (41) is provided with a matched downward moving groove (42), and the bearing moving plate (4) between the two limiting fixing vertical plates (41) of each end is provided with an inserting through hole (43).

4. A precision grinding machine according to claim 3, characterized in that: the bearing movable plate is characterized in that a supporting protruding plate (44) is fixedly arranged on each of the limiting fixing vertical plates (41) of the bearing movable plate (4), limiting supporting strips (45) are symmetrically and fixedly arranged on two sides of the supporting protruding plate (44), a fixing protruding plate (46) is fixedly arranged on the supporting protruding plate (44), a limiting ejector rod (47) is fixedly arranged on the fixing protruding plate (46), a hinged rotatable plate (48) is hinged on the supporting protruding plate (44), and the lower end face of the hinged rotatable plate (48) is in contact with the limiting supporting strips (45).

5. The precision grinding machine of claim 4, wherein: the bearing moving plate is characterized in that protruding fixing bearing blocks (49) are symmetrically and fixedly arranged on two sides of the bearing moving plate (4), matching through holes (491) and connecting through holes (493) are formed in the protruding fixing bearing blocks (49), lower inserting locating strips (492) are fixedly arranged on the protruding fixing bearing blocks (49), and the lower inserting locating strips (492) face downwards vertically.

6. A precision grinding machine according to claim 5, characterized in that: the movable bearing blocks (5) are symmetrically arranged at two ends of the bearing moving plate (4), the two ends of the movable bearing blocks (5) are symmetrically and fixedly provided with matched sliding blocks (51), the matched sliding blocks (51) are inserted into the matched downward moving grooves (42), the lower ends of the movable bearing blocks (5) are fixedly provided with matched supporting rods (52), the matched supporting rods (52) are inserted into the insertion through holes (43), and the matched supporting rods (52) are sleeved with buffer springs (53).

7. The precision grinding machine of claim 6, wherein: the lower extreme of location movable block (6) is fixed to be provided with down and is extended connecting plate (61), down extend connecting plate (61) and peg graft in cooperation through-hole (491), and down extend the lower extreme handing-over of connecting plate (61) and have articulated actuating lever (62), articulated upper end that has by top movable frame (63) of articulated actuating lever (62), install cooperation runner (64) on by top movable frame (63), and by fixedly being provided with on top movable frame (63) bear installation pole (65), bear and cup jointed connecting spring (66) on installation pole (65), and bear installation pole (65) and peg graft in connecting through-hole (493).

8. The precision grinding machine of claim 7, wherein: the cooperation drives lower extreme of slat (7) and has offered direction mating hole (71), peg graft in direction mating hole (71) has direction dead lever (12), reset spring (72) have been cup jointed on direction dead lever (12), and the cooperation drives lower extreme bilateral symmetry of slat (7) and fixedly is provided with cooperation side slat (73), locating groove (74) have been seted up on cooperation side slat (73), and fixedly are provided with vertical pushing strip (75) on cooperation side slat (73), the cooperation drives fixedly on slat (7) and is provided with support setting plate (76), the bilateral symmetry of support setting plate (76) is fixedly provided with fixed drive board (77), be provided with cooperation inclined plane (771) on fixed drive board (77), the upside of cooperation inclined plane (771) is provided with vertical mating surface (772), and the cooperation of support setting plate (76) upside drives fixedly on slat (7) and installs position sensor (78).

9. A precision grinding machine according to claim 8, characterized in that: the cooperation drives the upper end of slat (7) and fixedly is provided with top connecting plate (79), the both sides symmetry of top connecting plate (79) is fixed and is provided with slope connecting strip (791), the inboard of slope connecting strip (791) is provided with slope connecting channel (792), and is connected with between slope connecting strip (791) and remove block (8), the both sides symmetry of removing block (8) is fixed and is provided with cooperation passageway post (81), cooperation passageway post (81) are pegged graft in slope connecting channel (792), and the lower extreme of removing block (8) is fixed and is provided with and link up inserted bar (82), link up inserted bar (82) and peg graft in cooperation removal hole (16), and link up the lower extreme of inserted bar (82) and be fixedly provided with connecting bottom plate (83), the both sides symmetry of connecting bottom plate (83) articulates there is drive hinge rod (831), the lower extreme of drive hinge rod (831) articulates has protruding link up (381).