CN210968479U

CN210968479U - Fine grinding machine

Info

Publication number: CN210968479U
Application number: CN201920928102.8U
Authority: CN
Inventors: 傅鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-07-10
Anticipated expiration: 2029-06-19

Abstract

The utility model provides a refiner, refiner includes board, motor, transmission, sand blasting unit, the motor is installed on the board, transmission is many connecting rod transmission, many connecting rod transmission includes the disc, rotates connecting rod, swing arm, the disc is installed on the motor, the one end of rotating the connecting rod links to each other with the disc is rotatable, the disc links to each other with the one end of swing arm through rotating the connecting rod, the arm of force length of rotating the connecting rod and the continuous one end of disc is less than arm of force length of swing arm rotation in-process, the motor links to each other with the sand blasting unit transmission through many connecting rod transmission, and the motor rotates the in-process and drives sand blasting unit reciprocating motion through many connecting rod transmission. The utility model discloses an adopt many connecting rod transmission to link to each other with the motor, avoided the motor to carry out positive and negative direction pivoted switching, effectively improved the sandblast efficiency of refiner.

Description

Fine grinding machine

Technical Field

The utility model relates to a refiner especially relates to a high-efficient refiner.

Background

Refiners are an important industrial facility and are used in wood processing. The existing refiner mainly adopts a motor to drive the position of a sand blasting head, so that sand is blasted above a wood plate of the sand blasting head in a reciprocating motion. The refiner mainly utilizes the positive rotation and the negative rotation of the motor to adjust the motion direction of the sand blasting head so as to ensure that the sand blasting head can carry out reciprocating motion. However, the switching efficiency of the forward rotation and the reverse rotation of the motor is low, and after the unidirectional rotation is completed, the motor needs to undergo the processes of speed reduction, stop and re-acceleration, so that the longer switching time is needed between the forward rotation and the reverse rotation of the motor, the movement efficiency of the sand blasting head is seriously influenced, and the sand blasting efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a refiner to solve the problem of the sand blasting head sandblast inefficiency of refiner among the prior art at least.

The utility model provides a refiner, including board, motor, transmission, sand blasting unit, the motor is installed on the board, transmission is many connecting rod transmission, many connecting rod transmission includes the disc, rotates connecting rod, swing arm, the disc is installed on the motor, the one end of rotating the connecting rod links to each other with the disc is rotatable, the disc links to each other with the one end of swing arm through rotating the connecting rod, the arm of force length of rotating the connecting rod and the continuous one end of disc is less than the arm of force length of swing arm rotation in-process, the motor is installed on the board, the motor links to each other with the sand blasting unit transmission through many connecting rod transmission, the motor rotates the in-process and drives sand blasting unit reciprocating motion through many connecting rod transmission.

Further, sand blasting unit includes a sand blasting structure, a sand blasting structure includes first sliding stand, first dead lever, install a plurality of sandblast head on the first dead lever, first dead lever is installed on first sliding stand, be equipped with first guide rail on the board, first sliding stand slidable mounting is on first guide rail, many connecting rod transmission still include transmission shaft, rocking arm, first connecting rod, the rotatable horizontal installation of transmission shaft is on the board, the both ends of transmission shaft link to each other with the other end of swing arm, the center of rocking arm is fixed respectively, the one end of rocking arm is passed through first connecting rod and is rotatable continuous with first sliding stand.

Furthermore, the sand blasting device further comprises a second sliding table and a second fixing rod, a plurality of sand blasting heads are mounted on the second fixing rod, the second fixing rod is mounted on the second sliding table, a second guide rail is arranged on the machine table, the second sliding table is slidably mounted on the second guide rail, the multi-link transmission device further comprises a second connecting rod, and one end, far away from the first connecting rod, of the rotating arm is rotatably connected with the second sliding table through the second connecting rod.

Furthermore, the first guide rail is a V-shaped rail, a V-shaped bearing group is arranged on the first sliding table and consists of a plurality of V-shaped bearings, and the first sliding table is slidably mounted on the V-shaped rail through the V-shaped bearing group.

Furthermore, first sandblast structure still includes first lifter, first dead lever is installed on first sliding stand through first lifter liftable, first sandblast structure still includes first lift slide rail, first lift slide rail fixed mounting is on the board, be equipped with the spout of both ends kickup on the first lift slide rail, be equipped with the change gear on the first dead lever, change gear slidable mounting is in the spout of first lift slide rail.

Furthermore, sand blasting unit includes sandblast pendulum rod group, sandblast pendulum rod group includes horizontal drive rod, a plurality of sandblast pendulum rod, the sandblast pendulum rod includes sandblast head, pendulum rod upper end fixed mounting is on horizontal drive rod, the sandblast head is installed at the pendulum rod lower extreme, the swing arm links to each other with horizontal drive rod is fixed, the motor rotates the in-process and drives horizontal drive rod reciprocating type swing through many connecting rod transmission.

Furthermore, the number of the sand blasting swing rod groups is not less than two, the sand blasting swing rod groups are placed in parallel, a synchronous transmission device is arranged between every two adjacent sand blasting swing rod groups, and the motor is connected with one or more transmission devices in the sand blasting swing rod groups through a first multi-connecting-rod transmission device.

Furthermore, the refiner also comprises a heterodromous sand blasting swing rod group, the heterodromous sand blasting swing rod group comprises a heterodromous horizontal transmission rod and a plurality of heterodromous sand blasting swing rods, the heterodromous sand blasting swing rods comprise heterodromous sand blasting heads and heterodromous swing rods, the upper ends of the heterodromous swing rods are fixedly arranged on the heterodromous horizontal transmission rod, the heterodromous sand blasting heads are arranged at the lower ends of the heterodromous swing rods, the transmission device also comprises a heterodromous disc, a heterodromous rotating connecting rod and a heterodromous swing arm, the heterodromous rotary disc is arranged on a motor, one end of the heterodromous rotating connecting rod is rotatably connected with the heterodromous rotary disc, the heterodromous rotary disc is connected with one end of the heterodromous swing arm through the heterodromous rotating connecting rod, the force arm length of the heterodromous, the motor drives the anisotropic horizontal transmission rod to swing in a reciprocating mode in the rotating process, and the swinging directions of the anisotropic horizontal transmission rod and the horizontal transmission rod are different.

Furthermore, the refiner also comprises a double-shaft reduction box, power output shafts are arranged on two sides of the double-shaft reduction box, the motor is in transmission connection with the double-shaft reduction box, and the turntable and the counter-rotating turntable are respectively in transmission connection with the power output shafts on two sides of the double-shaft reduction box

Further, elevating gear includes elevator motor, transmission structure, lift lead screw, the lift lead screw includes lead screw, elevating platform, the board links to each other with the elevating platform, elevator motor passes through the transmission structure and links to each other with the lead screw transmission.

Compared with the prior art, the utility model, link to each other with the motor through adopting many connecting rod transmission, make the rotary motion of motor turn into the reciprocating type slip of first sliding stand, avoided the motor to carry out positive and negative direction pivoted switching, effectively improved the sandblast efficiency of refiner.

Drawings

Fig. 1 is a schematic perspective view of embodiment 1 of the present invention;

fig. 2 is a front view of embodiment 1 of the present invention;

fig. 3 is a cross-sectional view of embodiment 1 of the present invention;

fig. 4 is a right side view of embodiment 1 of the present invention;

fig. 5 is a rear view of embodiment 1 of the present invention;

fig. 6 is a schematic perspective view of embodiment 2 of the present invention;

fig. 7 is a right side view of embodiment 2 of the present invention;

fig. 8 is a left side view of embodiment 2 of the present invention;

fig. 9 is a cross-sectional view of a sealing structure in embodiment 2 of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Example 1

The embodiment of the utility model discloses refiner, as shown in fig. 1, 2, 5, including board 1, motor 2, transmission 3, sand blasting unit, motor 2 installs on board 1, transmission 3 is many connecting rod transmission 3, sand blasting unit includes first sandblast structure, first sandblast structure includes first sliding table 41, first dead lever 42, install a plurality of sandblast head on the first dead lever 42, first dead lever 42 is installed on first sliding table 41, be equipped with first guide rail on

board

1, 41 slidable mounting of first sliding table is on first guide rail, motor 2 links to each other through many connecting rod transmission 3 and the transmission of first sliding table 41, motor 2 rotates the in-process and drives the reciprocating type swing of first sliding table 41 through many connecting rod transmission 3.

Optionally, as shown in fig. 1, 2, and 5, the sand blasting apparatus further includes a second sliding table 51 and a second fixing rod 52, a plurality of sand blasting heads are installed on the second fixing rod 52, the second fixing rod 52 is installed on the second sliding table 51, a second guide rail is arranged on the machine table 1, the second sliding table 51 is installed on the second guide rail in a sliding manner, the motor 2 is connected with the second sliding table 51 through the multi-link transmission device 3 in a transmission manner, and the motor 2 drives the second sliding table 51 to swing in a reciprocating manner through the multi-link transmission device 3 during a rotation process.

Specifically, as shown in fig. 1, 2, and 5, the multi-link transmission device 3 includes a disc 31, a rotating link 32, a swing arm 33, a transmission shaft 34, a rotating arm 35, a first link 36, and a second link, the disc 31 is installed on the motor 2, one end of the rotating link 32 is rotatably connected to the disc 31, the disc 31 is connected to one end of the swing arm 33 through the rotating link 32, the transmission shaft 34 is rotatably and horizontally installed on the machine platform 1, two ends of the transmission shaft 34 are respectively fixedly connected to the other end of the swing arm 33 and a center of the rotating arm 35, two ends of the rotating arm 35 are respectively rotatably connected to the first sliding platform 41 and the second sliding platform 51 through the first link 36 and the second link, and a moment arm length at an end of the rotating link 32 connected to the disc 31 is smaller than a moment arm length during the rotation of the swing arm 33.

As shown in fig. 1, 2 and 5, a plurality of sand blasting heads may be installed on the first fixing rod 42, and the fine grinding process is performed using the sand blasting heads.

The embodiment of the utility model provides a link to each other with the motor through adopting many connecting rod transmission, make the rotary motion of motor turn into the reciprocating type slip of first sliding stand, avoided the motor to carry out positive and negative direction pivoted switching, effectively improved the sandblast efficiency of refiner. And simultaneously, the embodiment of the utility model provides a force arm length through linking to each other one end with the carousel with the rotation connecting rod is less than the swing arm rotates the arm of force length of in-process, makes the carousel drive rotate connecting rod one end after the round, the swing arm can only swing (being less than 180 °) in fixed angle, turns into the swing of rocking arm with the rotation of motor to utilize the rocking arm to carry out the push-and-pull to first sliding stand, second sliding stand, form reciprocating motion. Furthermore, the embodiment of the utility model provides a through adopting many connecting rod transmission, make a motor can drive first sliding stand and second sliding stand simultaneously and move on the equidirectional not, increase the correct grinding mode of refiner, improve correct grinding efficiency.

Optionally, as shown in fig. 1, 2 and 5, the first sand blasting structure further includes a first lifting rod, and the first fixing rod 42 is installed on the first sliding table 41 in a lifting manner through the first lifting rod.

Optionally, as shown in fig. 4, the first guide rail is a V-shaped rail 11, a V-shaped bearing set 411 is disposed on the first sliding table 41, the V-shaped bearing set 411 is composed of a plurality of V-shaped bearings, and the first sliding table 41 is slidably mounted on the V-shaped rail 11 through the V-shaped bearing set 411.

Particularly, as shown in fig. 1, 2, and 5, the first sliding table 41 is further provided with a roller, the machine table 1 is provided with a guide groove matched with the roller, and the roller of the first sliding table 41 is slidably mounted in the guide groove.

Particularly, as shown in fig. 1, 2, and 5, the first sand blasting structure further includes a first lifting slide rail 43, the first lifting slide rail 43 is fixedly installed on the machine platform 1, a slide groove 431 with two ends bent upwards is formed on the first lifting slide rail 43, a hanging wheel 421 is formed on the first fixing rod 42, and the hanging wheel 421 is slidably installed in the slide groove 431 of the first lifting slide rail 43.

As shown in fig. 1, 2 and 5, the second sliding table 51 and the second fixing rod 52 in the present embodiment have the same structure as the first sliding table 41 and the first fixing rod 42, and both have a first lifting rod, so that the second fixing rod 52 can move up and down relative to the second sliding table 51. The V-shaped rail 11 is a horizontal rail, and the V-shaped bearing sets 411 are positioned at two sides of the V-shaped rail 11, so that the V-shaped bearing sets 411 are slidably clamped on the V-shaped rail.

The embodiment of the utility model provides a through adopting V type rail, V type bearing group structure, when guaranteeing that first sliding stand can effectively be gliding, tremble about avoiding first sliding stand, improve stability. And simultaneously, the embodiment of the utility model provides a through adopting first lifter, make first dead lever can carry out the up-and-down motion by relative first sliding stand, reach the effect of control sandblast head and sandblast face distance. And simultaneously, the embodiment of the utility model provides a through adopting first lift slide rail, make the change gear can drive first dead lever according to the spout structure and carry out the elevating movement in the motion process, increase the mode of sandblast correct grinding.

Optionally, the refiner further comprises a lifting device, and the machine table 1 is connected with the lifting device.

Particularly, the lifting device comprises a lifting screw rod, the lifting screw rod comprises a screw rod 61 and a lifting table 62, and the machine table 1 is connected with the lifting table 62.

In particular, the lifting device further comprises a lifting motor 65 and a transmission structure 64, and the lifting motor 65 is in transmission connection with the screw rod 61 through the transmission structure 64.

As shown in fig. 1-3, lifting screws are disposed on both sides of the refiner table 1, the transmission structure 64 is a transmission belt 64, the top of the screw structure has a gear structure 63, the transmission belt 64 is engaged with the screw top gear 63 of each lifting screw, and the lifting motor 65 is engaged with the transmission belt 64. The elevating motor 65 drives the screw rods 61 to rotate simultaneously through the belt 64, so that the elevating platforms 62 ascend or descend simultaneously.

The embodiment of the utility model provides a through adopting elevating gear, can effective control sandblast head and the distance of finish grinding face, control correct grinding effect. Furthermore, the embodiment of the utility model provides a through adopting elevator motor, transmission structure, lift lead screw, make elevator motor can drive the height of elevating platform on each lift lead screw simultaneously, realize the effective control to the sandblast head height.

Example 2

The utility model provides a refiner, as shown in fig. 6-8, including board 21, motor 22, sand blasting unit, first transmission 24, motor 22 installs on board 21, sand blasting unit includes sandblast pendulum rod group 23, sandblast pendulum rod group 23 includes horizontal transfer line 231, a plurality of sandblast pendulum rod, the sandblast pendulum rod includes sandblast head 233, pendulum rod 232 upper end fixed mounting is on horizontal transfer line 231, sandblast head 233 installs at pendulum rod 232 lower extreme, first transmission 24 is a many connecting rod transmission 24, motor 22 links to each other with horizontal transfer line 231 transmission through a many connecting rod transmission 24, motor 22 rotates the in-process and drives the reciprocating type swing of horizontal transfer line 231 through a many connecting rod transmission 24.

Alternatively, as shown in fig. 6 to 8, there are not less than two sandblasting pendulum rod sets 23, each sandblasting pendulum rod set 23 is disposed in parallel, a synchronous transmission device 234 is disposed between each adjacent sandblasting pendulum rod set 23, and the motor 22 is in transmission connection with one or more of the sandblasting pendulum rod sets 23 through the first multi-link transmission device 24.

Optionally, as shown in fig. 6 to 8, the refiner further includes a second transmission device and an anisotropic sand blasting swing rod set 25, the anisotropic sand blasting swing rod set 25 includes an anisotropic horizontal transmission rod and a plurality of anisotropic sand blasting swing rods, each anisotropic sand blasting swing rod includes an anisotropic sand blasting head and an anisotropic swing rod, the upper end of each anisotropic swing rod is fixedly mounted on the anisotropic horizontal transmission rod 211, each anisotropic sand blasting head is mounted at the lower end of each anisotropic swing rod, the second transmission device 211 is a second multi-link transmission device 211, the motor 22 is in transmission connection with the anisotropic horizontal transmission rod through the second multi-link transmission device 211, the motor 22 drives the anisotropic horizontal transmission rod to reciprocate through the second multi-link transmission device 211 during rotation, and the anisotropic horizontal transmission rod and the horizontal transmission rod 231 swing in different directions.

Particularly, as shown in fig. 6 to 8, a plane of the movement locus of the swing rod 232 is not coincident with a plane of the movement locus of the opposite swing rod, so as to avoid collision between the swing rod 232 and the opposite swing rod during the swing process.

The actual structures of the different-direction sand blasting swing rod group 25 and the sand blasting swing rod group 23 are the same, the different-direction horizontal transmission rod is horizontal to the horizontal transmission rod 241, and as shown in fig. 6-8, the swing rod 232 and the different-direction swing rod are enabled to swing oppositely or separately in the moving process by adjusting the first multi-link transmission device 24 and the second multi-link transmission device 211. The synchronous transmission device 234 is a multi-link structure, so that the horizontal transmission rod 241 (or the different-direction horizontal transmission rod) in transmission connection with the motor can drive other same sand blasting swing rod groups 23 (or asynchronous sand blasting swing rod groups 23) to synchronously move.

In particular, as shown in fig. 6 to 8, each of the first multi-link transmission device 24 and the second multi-link transmission device 211 is a disc-type link transmission structure 24, the disc-type link transmission structure 24 includes a disc 241 drivingly connected to the motor 22, a rotating link 242, and a swing arm 243 drivingly connected to a horizontal transmission rod (or asynchronous horizontal transmission rod), and the disc 241 is connected to the swing arm 243 through the rotating link 242. Wherein the length of the rotating arm at the connecting end of the rotating link 242 and the disc 241 is less than that of the rotating arm 243.

Specifically, as shown in fig. 6 to 8, the swing refiner further comprises a double-shaft reduction box 29, power output shafts are arranged on two sides of the double-shaft reduction box 29, the motor 22 is in transmission connection with the double-shaft reduction box 29, and the first transmission device 24 and the second transmission device 211 are in transmission connection with the power output shafts on two sides of the double-shaft reduction box 29 respectively.

As shown in fig. 6 to 8, the refiner further comprises a sand box connected with the sand blasting head 233 and the anisotropic sand blasting head through flexible pipes. The first transmission device 24 and the second transmission device 211 are respectively arranged at two sides of the double-shaft reduction box 29.

The embodiment of the utility model provides a link to each other with the motor through adopting first many connecting rod transmission, the many connecting rod transmission of second, make the rotary motion of motor turn into the reciprocating type swing of horizontal transfer line, avoided the motor to carry out positive and negative direction pivoted switching, effectively improved the sandblast efficiency of refiner. Furthermore, the embodiment of the utility model provides a through adopting incorgruous horizontal transfer line and horizontal transfer line, make a motor can drive incorgruous horizontal transfer line and move on the equidirectional not, increase the correct grinding mode of refiner, improve correct grinding efficiency. If the refiner adopts one-way swing for a long time, the potential energy change that the swing in-process formed can cause the damage to machinery for a long time, the embodiment of the utility model discloses through adopting incorgruous sandblast pendulum rod group 25, make incorgruous sandblast pendulum rod group 25 carry out reverse motion with sandblast pendulum rod group 23, can effectively offset the potential energy change in the course of the work, improve the stability in use of machine.

Optionally, as shown in fig. 6 to 8, the refiner further comprises a lifting device, and the table 21 is connected with the lifting device.

Specifically, as shown in fig. 6 to 8, the lifting device includes a lifting motor 261, a transmission structure 262, and a lifting screw rod, the lifting screw rod includes a screw rod 263 and a lifting table, the machine table 21 is connected to the lifting table, and the lifting motor 261 is connected to the screw rod 263 through the transmission structure 262.

As shown in fig. 6-8, lifting screws are disposed at four corners of the refiner, the transmission structure 262 is a transmission belt 262, the transmission belt 262 is engaged with the top of each screw 263 of the lifting screw, and the lifting motor 261 is engaged with the transmission belt 262. The lifting motor 261 can drive the screw rods 263 to rotate simultaneously through the transmission belt 262, so that the lifting platforms can be lifted or lowered simultaneously.

The embodiment of the utility model provides a through adopting elevating gear, can effective control sandblast head, incorgruous sandblast head and the distance of finish grinding face, control correct grinding effect. Furthermore, the embodiment of the utility model provides a through adopting elevator motor, transmission structure, lift lead screw, make elevator motor can drive the height of elevating platform on each lift lead screw simultaneously, realize the effective control to sandblast head, incorgruous sandblast head height.

Specifically, as shown in fig. 9, sealing plates 27 are further provided at both sides of the blasting device, both ends of the horizontal transmission rod 231 rotatably penetrate the sealing plates 27, respectively, and one end of the horizontal transmission rod 231 rotatably penetrates the sealing plates 27 and is rotatably connected to the first transmission device 24.

In particular, as shown in fig. 9, the refiner further comprises a plurality of sealing structures 210, wherein each sealing structure 210 comprises a sealing shaft sleeve 2102, a rubber ring 2101 and a sponge pad 2103, the rubber ring 2101 and the sealing shaft sleeve 2102 are sleeved on the horizontal transmission rod 231, the rubber ring 2101 and the sealing shaft sleeve 2102 are respectively positioned on two sides of the sealing plate 27, the rubber ring 2101 is positioned on one side of the sealing plate 27 close to the sand blasting swing rod, and the sponge pad 2103 is installed between the sealing shaft sleeve 2101 and the horizontal transmission rod 231.

Wherein a sponge pad 2103 is tightly fitted between the sealing hub 2101 and the horizontal driving rod 231, as shown in fig. 9.

The embodiment of the utility model provides a through the seal structure who adopts sealed axle sleeve, rubber circle, foam-rubber cushion to constitute, utilize rubber circle, foam-rubber cushion to form double-deck seal structure, effectively keep apart the dull polish, avoid revealing of dull polish.

It should be finally noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, it should be understood by those skilled in the art that after reading the present specification, the technical personnel can still modify or equivalently replace the specific embodiments of the present invention, but these modifications or changes do not depart from the scope of the claims of the present application.

Claims

1. The utility model provides a refiner, its characterized in that, the refiner includes board, motor, transmission, sand blasting unit, the motor is installed on the board, transmission is many connecting rod transmission, many connecting rod transmission includes the disc, rotates connecting rod, swing arm, the disc is installed on the motor, the one end and the disc rotatable linking to each other of rotating the connecting rod, the disc links to each other through the one end of rotating the connecting rod with the swing arm, the arm of force length that the connecting rod links to each other one end with the disc is less than arm of force length of swing arm rotation in-process, the motor is installed on the board, the motor links to each other with the sand blasting unit transmission through many connecting rod transmission, the motor rotates the in-process and drives sand blasting unit reciprocating motion through many connecting rod transmission.

2. The refiner of claim 1, wherein the sand blasting device comprises a first sand blasting structure, the first sand blasting structure comprises a first sliding table and a first fixing rod, a plurality of sand blasting heads are mounted on the first fixing rod, the first fixing rod is mounted on the first sliding table, a first guide rail is arranged on the machine table, the first sliding table is slidably mounted on the first guide rail, the multi-link transmission device further comprises a transmission shaft, a rotating arm and a first connecting rod, the transmission shaft is rotatably and horizontally mounted on the machine table, two ends of the transmission shaft are respectively fixedly connected with the other end of the swinging arm and the center of the rotating arm, and one end of the rotating arm is rotatably connected with the first sliding table through the first connecting rod.

3. The refiner of claim 2, wherein the sand blasting device further comprises a second sliding table, a second fixing rod, the second fixing rod is provided with a plurality of sand blasting heads, the second fixing rod is provided on the second sliding table, the machine table is provided with a second guide rail, the second sliding table is slidably mounted on the second guide rail, the multi-link transmission device further comprises a second link, one end of the rotating arm far away from the first link is rotatably connected with the second sliding table through the second link, the first guide rail is a V-shaped rail, the first sliding table is provided with a V-shaped bearing set, the V-shaped bearing set comprises a plurality of V-shaped bearings, and the first sliding table is slidably mounted on the V-shaped rail through the V-shaped bearing set.

4. The refiner of claim 2, wherein the first sand blasting structure further comprises a first lifting rod, the first fixing rod is installed on the first sliding table in a lifting manner through the first lifting rod, the first sand blasting structure further comprises a first lifting slide rail, the first lifting slide rail is fixedly installed on the machine table, a sliding groove with two ends bent upwards is formed in the first lifting slide rail, a hanging wheel is arranged on the first fixing rod, and the hanging wheel is installed in the sliding groove of the first lifting slide rail in a sliding manner.

5. The refiner of claim 1, wherein the sand blasting device comprises a sand blasting swing rod group, the sand blasting swing rod group comprises a horizontal transmission rod and a plurality of sand blasting swing rods, each sand blasting swing rod comprises a sand blasting head and a swing rod, the upper end of each swing rod is fixedly arranged on the horizontal transmission rod, the sand blasting heads are arranged at the lower end of the swing rods, the swing arms are fixedly connected with the horizontal transmission rods, and the motor drives the horizontal transmission rods to swing in a reciprocating manner through a multi-link transmission device in the rotating process.

6. The refiner of claim 5 wherein there are no more than two blast pendulum bar sets, each blast pendulum bar set is disposed in parallel, a synchronous drive is disposed between each adjacent blast pendulum bar set, and the motor is drivingly connected to one or more of the blast pendulum bar sets by a first multi-link drive.

7. The refiner of claim 5, wherein the refiner further comprises a counter-rotating sandblasting swing rod group, the counter-rotating sandblasting swing rod group comprises a counter-rotating horizontal transmission rod and a plurality of counter-rotating sandblasting swing rods, the counter-rotating sandblasting swing rods comprise counter-rotating sandblasting heads and counter-rotating swing rods, the upper ends of the counter-rotating swing rods are fixedly arranged on the counter-rotating horizontal transmission rod, the counter-rotating sandblasting heads are arranged at the lower ends of the counter-rotating swing rods, the transmission device further comprises a counter-rotating disc, a counter-rotating connecting rod and a counter-rotating swing arm, the counter-rotating disc is arranged on a motor, one end of the counter-rotating connecting rod is rotatably connected with the counter-rotating disc, the counter-rotating disc is connected with one end of the counter-rotating swing arm through the counter-rotating connecting rod, the length of the force arm at the end of the counter-rotating connecting rod connected with the counter-rotating disc is smaller than the length of the counter-rotating force arm in the rotating process of the, the motor drives the anisotropic horizontal transmission rod to swing in a reciprocating mode in the rotating process, and the swinging directions of the anisotropic horizontal transmission rod and the horizontal transmission rod are different.

8. The refiner of claim 7, further comprising a double-shaft reduction box, wherein power output shafts are arranged on two sides of the double-shaft reduction box, the motor is in transmission connection with the double-shaft reduction box, and the disc and the counter-rotating disc are in transmission connection with the power output shafts on two sides of the double-shaft reduction box respectively.

9. The refiner of claim 1, wherein the refiner is further provided with a lifting device, the lifting device comprises a lifting motor, a transmission structure and a lifting screw rod, the lifting screw rod comprises a screw rod and a lifting platform, the machine platform is connected with the lifting platform, and the lifting motor is in transmission connection with the screw rod through the transmission structure.