CN215029281U

CN215029281U - Multi-roller grinding device

Info

Publication number: CN215029281U
Application number: CN202120718539.6U
Authority: CN
Inventors: 岳胜武
Original assignee: Shenzhen Kanglibang Technology Co ltd
Current assignee: Shenzhen Kanglibang Technology Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-07
Anticipated expiration: 2031-04-08

Abstract

The utility model relates to a multi-roller grinding device, which comprises a frame, a plurality of grinding roller and discharge mechanism, a plurality of grinding roller levels set up, discharge mechanism includes the stock guide, be used for with the scraping portion of grinding roller laminating and be used for adjusting the regulating part of scraping portion and the distance between the grinding roller, scraping portion sets up in the stock guide and is close to the one side that is located the grinding roller on the discharge end, be provided with the regulation auxiliary that is used for strengthening the laminating effect between scraping portion and the grinding roller in the frame, adjust the auxiliary including setting up in the locating piece of frame and be used for with locating piece screw-thread fit's auxiliary rod, the one end that the locating piece was kept away from to the auxiliary rod is provided with the supplementary pressure spring that is used for with stock guide lower surface contact. This application has and is favorable to reducing the gap size between scraping portion and the grinding roller that is located on the discharge end for scraping the better laminating of portion of scraping on the stock guide in grinding roller, the effect of the efficiency of scraping of improvement material.

Description

Multi-roller grinding device

Technical Field

The application relates to the field of organic silicon material grinding equipment, in particular to a multi-roller grinding device.

Background

The raw materials of the organosilicon materials often contain a large amount of micro particles, which affect the quality of products, so the raw materials also need to be ground by a multi-roller grinding device. The multi-roller grinding device has the working principle that the multi-roller grinding device achieves the grinding effect by mutual extrusion and friction at different speeds of the surfaces of a plurality of horizontal rollers; the multi-roller grinding device is the most effective grinding and dispersing equipment for high-viscosity materials.

The utility model discloses a refer to utility model patent that bulletin number is CN205628085U, this utility model discloses a three-roller grinding device, including the frame main part, frame main part upper portion is equipped with preceding grinding roller, well grinding roller and back grinding roller, frame main part lower part be equipped with through transmission respectively with the drive arrangement that preceding grinding roller, well grinding roller and back grinding roller are connected, frame main part top is equipped with grinds the groove, preceding grinding roller, well grinding roller and back grinding roller are arranged in this grinds the groove, grinds the groove front end and is equipped with the discharge frame (promptly this utility model in the discharge gate).

The discharge frame of the existing multi-roller grinding device is usually fixed through bolts, and due to the vibration of the multi-roller grinding device during working, a gap is easy to appear between the discharge frame and the grinding roller, so that the scraping effect of materials on the grinding roller is influenced, and further the grinding efficiency of the multi-roller grinding device is influenced.

SUMMERY OF THE UTILITY MODEL

In order to reduce the gap size that grinder appears between play work progress discharge frame and grinding roller, this application provides a multi-roll grinder.

The application provides a multi-roll grinding device adopts following technical scheme:

the utility model provides a multi-roller grinding device, includes the frame, sets up in a plurality of grinding rollers of frame and is used for striking off the discharge mechanism with the direction to the material, and is a plurality of grinding roller level sets up, discharge mechanism sets up in the discharge end of a plurality of grinding rollers, discharge mechanism includes the stock guide, be used for and be located the scraping part of the grinding roller laminating on the discharge end and be used for adjusting the regulating part of the distance between the grinding roller on scraping part and the discharge end, the stock guide slope sets up downwards in the one side that is located the grinding roller on the discharge end, scraping part sets up in the stock guide one side of being close to the grinding roller that is located on the discharge end, be provided with in the frame and be used for strengthening the regulation auxiliary member of the laminating effect between scraping part and the grinding roller, adjust the auxiliary member including setting up in the locating piece of frame and be used for with locating piece screw-thread fit's auxiliary rod, the one end that the locating piece was kept away from to the auxiliary rod is provided with the auxiliary pressure spring that is used for with stock guide lower surface contact.

Through adopting above-mentioned technical scheme, through the regulating part take the lead to adjust the distance that strikes off the portion distance and be located the distance between the grinding roller on the discharge end, afterwards through rotating the auxiliary rod, adjust the distance that the auxiliary rod is apart from between the stock guide, thereby adjust the elasticity that the auxiliary pressure spring acted on the stock guide, and then realize the supporting role of auxiliary pressure spring to the stock guide, the spring gives the supporting role of stock guide and is favorable to reducing the gap size between the grinding roller that strikes off the portion and be located the discharge end, make the better laminating of portion of striking off on the stock guide in grinding roller, improve the effect of striking off of material.

Preferably, adjust the auxiliary member still including being used for rotating the guide block of being connected with the auxiliary rod, the guide block sets up in the frame, the guide block is located the locating piece top, one side fixedly connected with dead lever that the locating piece was kept away from to the guide block, supplementary pressure spring is used for the cover to locate on the dead lever, the one end that the guide block was kept away from to supplementary pressure spring extends the one end that the dead lever kept away from the guide block, the one end that the guide block was kept away from to supplementary pressure spring is used for with guide plate lower surface contact.

Through adopting above-mentioned technical scheme, the guide block plays the effect of direction to the auxiliary rod, is favorable to reducing the deformation of auxiliary rod, and the stopper rod plays the effect of location to supplementary pressure spring, is favorable to reinforcing supplementary pressure spring to the supporting role of stock guide.

Preferably, the scraping part comprises a connecting plate and a scraper, the connecting plate is fixedly connected to one end, close to the grinding roller located on the discharge end, of the guide plate, the scraper is fixedly connected to one end, far away from the guide plate, of the connecting plate, an obtuse angle is formed between the connecting plate and the guide plate, and one side, far away from the connecting plate, of the scraper is used for contacting with the grinding roller located on the discharge end.

Through adopting above-mentioned technical scheme, the material flows downwards along the stock guide through the discharge end after grinding on a plurality of grinding rollers, and the setting of scraping off portion is convenient for the scraper to strike off the adnexed material on the grinding roller outer wall, makes it flow downwards along the stock guide.

Preferably, the regulating part is including setting up in the fixed arm of frame, setting up in the regulation roof beam of stock guide and be used for with fixed arm screw-thread fit's regulating spindle, fixed arm and regulating spindle all are provided with two, every the regulating spindle corresponds and sets up an adjusting knob, two the fixed arm is located the both sides of stock guide ejection of compact direction respectively, the fixed arm is worn to establish in proper order by the regulating spindle and the regulation roof beam, the one end that the fixed arm was kept away from to the regulating spindle is rotated and is connected in the regulation roof beam.

Through adopting above-mentioned technical scheme, rotate the regulating spindle, change the distance between the grinding roll on regulating spindle and the discharge end to change the scraper apart from the discharge end and go up the distance between the grinding roll, and then adjust the laminating degree of grinding roll on scraper and the discharge end, be favorable to adjusting the scraper and strike off the discharge end and go up adnexed material on the grinding roll outer wall.

Preferably, the number of the grinding rollers is three, the three grinding rollers are respectively defined as a first grinding roller, a second grinding roller and a third grinding roller, a feeding end is arranged above the first grinding roller and the second grinding roller, and the third grinding roller is a discharging end; be provided with four sets of roll spacing adjustment mechanism in the frame, the both ends of first grinding roller and the both ends of third grinding roller correspond respectively and set up a set of roll spacing adjustment mechanism, first grinding roller and the equal sliding connection of third grinding roller in frame, the sliding direction perpendicular to of first grinding roller and third grinding roller grinds the length direction of roller, roll spacing adjustment mechanism is used for adjusting the distance that the roller was ground to the relative second of first grinding roller and the distance that the roller was ground to the relative second of third grinding roller.

Through adopting above-mentioned technical scheme, to the material of different viscosity and according to the material of required different particle size, adjust the distance between two adjacent grinding rollers, four roll spacing adjustment mechanism's setting is convenient for grind the regulation of roller position, convenient and fast to first grinding roller and third.

Preferably, two sliding opening have been seted up to the frame, two sliding opening is located the both ends of grinding the roller respectively, sliding opening's roof and diapire all are provided with the sliding strip, the second is ground the roller both ends and is rotated and be connected with and be used for setting up in sliding opening's fixed block, the first both ends of grinding the roller and the third both ends of grinding the roller all rotate and are connected with the sliding block, the up end of sliding block and lower terminal surface are seted up respectively and are used for with two sliding strip sliding fit's sliding tray.

Through adopting above-mentioned technical scheme, being provided with of fixed block does benefit to the stability that improves the second and grinds roller operation, and the setting up of sliding block is convenient for first grinding roller and the regulation of third grinding roller position, convenient and fast.

Preferably, the roller spacing adjusting mechanism comprises an adjusting rod in threaded fit with the frame, one end of the adjusting rod is positioned outside the sliding opening, and the other end of the adjusting rod is used for being rotatably connected to a sliding block corresponding to the grinding roller.

Through adopting above-mentioned technical scheme, through rotating the regulation pole to change and adjust the pole and stretch into to the intraoral degree of depth of sliding, and then adjust the distance between first grinding roller and/or third grinding roller and the second grinding roller, convenient and fast.

Preferably, the adjusting rod sleeve is provided with an adjusting pressure spring, the adjusting pressure spring is positioned in the sliding opening, and the adjusting pressure spring is positioned between the sliding block and the side wall at the end part of the sliding opening.

Through adopting above-mentioned technical scheme, the power of a buffering when adjusting the setting of pressure spring and giving grinding roller adjusting position is favorable to avoiding the sliding block to collide with the inner wall of slip opening tip.

Preferably, the fixed block is close to the both sides difference fixedly connected with gag lever post of first grinding roller and third grinding roller, the cover is equipped with the spring on the gag lever post, the one end fixed connection of spring in fixed block, the other end of spring extends the gag lever post and keeps away from the one end of fixed block and be used for contradicting with adjacent sliding block.

Through adopting above-mentioned technical scheme, when first grinding roller and third grinding roller all grind the roller contact with the second, the gag lever post is kept away from and is provided with the interval between the one end of fixed block and the adjacent sliding block to be favorable to avoiding gag lever post and adjacent sliding block to collide with each other.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the auxiliary rod and the auxiliary pressure spring are arranged, so that the elastic force of the auxiliary pressure spring acting on the material guide plate is adjusted, the supporting effect of the auxiliary pressure spring on the material guide plate is further realized, the supporting effect of the spring on the material guide plate is favorable for reducing the size of a gap between the scraping part and the grinding roller positioned on the discharge end, the scraping part on the material guide plate is enabled to be better attached to the grinding roller, and the scraping effect of materials is improved;

2. by arranging the adjusting piece, the joint degree of the scraper and the third grinding roller can be conveniently adjusted, so that the supporting effect of the adjusting auxiliary piece on the material guide plate can be favorably improved, and the size of a gap between the knife and the third grinding roller can be favorably reduced;

3. through setting up roll spacing adjustment mechanism, be convenient for adjust the distance between two adjacent grinding rollers according to the material needs of difference, improve grinding efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

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

Fig. 3 is a schematic structural diagram of another view angle according to an embodiment of the present application.

Fig. 4 is an enlarged schematic view of B in fig. 3.

Fig. 5 is a schematic structural diagram of another view angle according to an embodiment of the present application.

Fig. 6 is an enlarged schematic view of the structure at C in fig. 5.

Description of reference numerals: 1. a frame; 101. a base; 102. a support arm; 103. a slide opening; 104. a slide bar; 105. a through opening; 2. a first grinding roller; 3. a second grinding roller; 4. a third grinding roller; 5. a slider; 6. a fixed block; 7. adjusting a rod; 8. an adjustment wheel; 9. mounting blocks; 10. rotating the hole; 11. a limiting rod; 12. a spring; 13. a material guide plate; 14. a scraping section; 141. a connecting plate; 142. a scraper; 15. a baffle plate; 16. a fixed arm; 17. adjusting the beam; 18. an adjustment shaft; 19. an adjusting knob; 20. an auxiliary lever; 21. an auxiliary knob; 22. positioning blocks; 23. a guide block; 24. fixing the rod; 25. and (5) auxiliary compression springs.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses multi-roller grinding device. Referring to fig. 1, the multi-roller grinding device comprises a frame 1, a plurality of grinding rollers, a driving mechanism, a roller spacing adjusting mechanism and a discharging mechanism, wherein the frame 1 comprises a base 101 and two opposite supporting arms 102 arranged on the base 101, two ends of each grinding roller are respectively connected to the two supporting arms 102 in a rotating manner, the grinding rollers are horizontally arranged, and the roller spacing adjusting mechanism is used for adjusting the distance between every two adjacent grinding rollers. In the present embodiment, the example of providing three grinding rollers is given, and the number of grinding rollers is not limited. For the convenience of distinguishing, name three grinding roller respectively first grinding roller 2, second grinding roller 3 and third grinding roller 4, regard as the feed end between first grinding roller 2 and the second grinding roller 3, discharge mechanism sets up in third grinding roller 4 one side, actuating mechanism is connected with three grinding roller respectively through transmission, the three grinding roller of actuating mechanism drive rotates in order to grind the material, the material is carried to discharge mechanism from the feed end between first grinding roller 2 and the second grinding roller 3.

Sliding opening 103 has all been seted up to two support arms 102, sliding opening 103's the equal protruding slide bar 104 that is equipped with of roof and diapire, the both ends of first grinding roller 2 and third grinding roller 4 are rotated and are connected with sliding block 5, sliding block 5's up end and lower terminal surface are seted up respectively and are used for and slide opening 103 in two slide bar 104 sliding fit's sliding tray, sliding block 5's slip direction sets up along the length direction of slide bar 104, the length direction perpendicular to of slide bar 104 grinds the length direction of roller. Both ends of the second grinding roller 3 are rotatably connected with fixing blocks 6, and the fixing blocks 6 are fixedly connected in the sliding openings 103.

The roll spacing adjusting mechanisms are arranged in four groups, wherein two groups of roll spacing adjusting mechanisms are arranged at two ends of the first grinding roll 2, and the other two groups of roll spacing adjusting mechanisms are arranged at two ends of the third grinding roll 4; the distance between the first grinding roller 2 and the second grinding roller 3 is adjusted through adjusting the roller spacing adjusting mechanism, and the distance between the third grinding roller 4 and the second grinding roller 3 is adjusted, so that the distance between the two adjacent grinding rollers is adjusted.

The roller spacing adjusting mechanism comprises an adjusting rod 7 and an adjusting wheel 8, and the adjusting wheel 8 is fixedly connected to one end of the adjusting rod 7; the side walls of the two ends of the sliding opening 103 are provided with through openings 105 for the adjusting rods 7 to penetrate through, the central axis of the through openings 105 is perpendicular to the central axis of the grinding roller, the outer surface of the adjusting rods 7 is provided with threads, and the adjusting rods 7 are used for being in threaded fit with the through openings 105; the adjusting wheel 8 is positioned outside the sliding opening 103, and one end of the adjusting rod 7 far away from the adjusting wheel 8 is rotatably connected to the sliding block 5 corresponding to the grinding roller. By rotating the adjusting wheel 8, the depth of the adjusting rod 7 extending into the sliding opening 103 is changed, and the distance between the first grinding roller 2 and/or the third grinding roller 4 and the second grinding roller 3 is adjusted.

Specifically, the sliding block 5 is convexly provided with an installation block 9 on one side close to the end of the sliding opening 103, the installation block 9 is provided with a rotation hole 10, a bearing is arranged in the rotation hole 10, one end of the adjusting rod 7, which is far away from the adjusting wheel 8, is arranged on the inner ring of the bearing, and the central axis of the bearing is perpendicular to the central axis of the grinding roller. The adjusting rod 7 is sleeved with an adjusting pressure spring, the adjusting pressure spring is located in the sliding opening 103, the adjusting pressure spring is located between the sliding block 5 and the end portion of the corresponding sliding opening 103, the adjusting pressure spring is set to give a buffering force when the position of the grinding roller is adjusted, and the sliding block 5 is favorably prevented from colliding with the inner wall of the end portion of the sliding opening 103.

Referring to fig. 1 and 2, two opposite sides of the fixing block 6 are fixedly connected with limiting rods 11 respectively, and the two limiting rods 11 are located on one side of the fixing block 6 close to the first grinding roller 2 and the third grinding side respectively; the cover is equipped with spring 12 on the gag lever post 11, and the axis of the perpendicular grinding roller of axis of spring 12, spring 12's one end fixed connection in fixed block 6, and spring 12's the other end extends gag lever post 11 and keeps away from the one end of fixed block 6 and is used for contradicting with adjacent sliding block 5. When first grinding roller 2 and third grinding roller 4 all grind the roller 3 contact with the second, be provided with the interval between the one end that the fixed block 6 was kept away from to gag lever post 11 and adjacent sliding block 5 to be favorable to avoiding gag lever post 11 and adjacent sliding block 5 to collide with each other.

The discharging mechanism is used for scraping and guiding materials so that workers can collect the materials. The discharging mechanism comprises a material guide plate 13, a scraping part 14 and a baffle 15, the scraping part 14 is fixedly connected to one side of the material guide plate 13, the scraping part 14 is used for abutting against the third grinding roller 4, and the material guide plate 13 is arranged obliquely downwards; the number of the baffle plates 15 is two, the two baffle plates 15 are respectively arranged on two opposite sides of the material guide plate 13, the length direction of the baffle plates 15 is perpendicular to the length direction of the grinding roller, and a main channel for materials to pass through is formed between the two baffle plates 15 and the material guide plate 13.

The scraping part 14 includes a connecting plate 141 and a scraper 142, the connecting plate 141 is fixedly connected to one end of the material guiding plate 13 close to the third grinding roller 4, the scraper 142 is fixedly connected to one end of the connecting plate 141 close to the third grinding roller 4, an obtuse angle is formed between the connecting plate 141 and the material guiding plate 13, one side of the scraper 142 away from the connecting plate 141 is used for contacting with the third grinding roller 4, so as to scrape off the material attached to the outer wall of the third grinding roller 4, and the material flows downwards along the material guiding plate 13, and the baffle 15 is mainly used for blocking the flowing material and preventing the flowing material from flowing out from two sides of the material guiding plate 13.

Referring to fig. 3 and 4, the discharging mechanism further includes an adjusting member for adjusting the distance between the scraper 142 and the third grinding roller 4, the adjusting member including a fixing arm 16, an adjusting beam 17, an adjusting shaft 18, and an adjusting knob 19; the fixed arm 16 and the adjusting shaft 18 are provided with two adjusting buttons 19, and each adjusting shaft 18 is provided with one adjusting button 19. The two fixing arms 16 are respectively fixedly connected to the two supporting arms 102, and the two fixing arms 16 are respectively located at two sides of the main channel material flowing direction. The adjusting beam 17 is fixedly connected to the material guide plate 13, the length direction of the adjusting beam 17 is arranged along the length direction of the grinding roller, two ends of the adjusting beam 17 extend out of two sides of the material flow direction on the material guide plate 13, and the adjusting beam 17 is closer to the third grinding roller 4 than the fixing arm 16; the adjusting knob 19 is fixedly connected to one end of the adjusting shaft 18, which is far away from the adjusting knob 19, sequentially penetrates through the fixed arm 16 and one end of the adjusting beam 17, which extends out of the material guide plate 13, one end of the adjusting shaft 18, which is far away from the adjusting knob 19, is rotatably connected to the adjusting beam 17 through a bearing, threads are arranged on the outer surface of the adjusting shaft 18, and the adjusting shaft 18 is in threaded fit with the fixed arm 16.

Rotate adjusting knob 19, change the distance between adjusting shaft 18 and the third grinding roller 4 to change the scraper 142 apart from the distance between the third grinding roller 4, and then adjust the laminating degree of scraper 142 and third grinding roller 4, be favorable to adjusting scraper 142 and strike off the adnexed material on the outer wall of third grinding roller 4.

Referring to fig. 5 and 6, the frame 1 is provided with an adjusting auxiliary member, and the adjusting auxiliary member is used for assisting the grinding device to have a good fitting effect between the scraper 142 and the third grinding roller 4 in the grinding process, so that the gap between the scraper 142 and the third grinding roller 4 in the vibration process of the grinding device can be reduced. The adjusting auxiliary part comprises an auxiliary rod 20, an auxiliary knob 21, a positioning block 22 and a guide block 23, the auxiliary knob 21 is fixedly connected to one end of the auxiliary rod 20, the positioning block 22 is fixedly connected to the base 101, one end, far away from the auxiliary knob 21, of the auxiliary rod 20 penetrates through the positioning block 22 and the guide block 23 in sequence, one end, far away from the auxiliary knob 21, of the auxiliary rod 20 is rotatably connected to the guide block 23 through a bearing, and the guide block 23 is fixedly connected to the base. One side fixedly connected with dead lever 24 that locating piece 22 was kept away from to guide block 23, dead lever 24 cover is equipped with supplementary pressure spring 25, and the one end that the guide block 23 was kept away from to supplementary pressure spring 25 extends the one end that dead lever 24 kept away from guide block 23. One end of the auxiliary pressure spring 25 away from the guide block 23 is used for contacting with the lower surface of the guide plate 13.

Through rotating supplementary knob 21, adjust the distance between auxiliary rod 20 and the stock guide 13, thereby adjust supplementary pressure spring 25 and act on the elasticity of stock guide 13, and then realize the supporting role of supplementary pressure spring 25 to stock guide 13, produce vibrations to grinder at the course of the work and make the gap that appears between scraper 142 and the third grinding roller 4, the supporting role that spring 12 on the regulation auxiliary gave stock guide 13 is favorable to reducing the gap between scraper 142 and the third grinding roller 4, make the better laminating in the third grinding roller 4 of scraper 142 on the stock guide 13, improve the effect of scraping of material.

The implementation principle of the multi-roller grinding device in the embodiment of the application is as follows: the utility model discloses in the practical application process, the material that will wait to mix adds the feed end between first grinding roller 2 and the second grinding roller 3, along with the rotation of first grinding roller 2, second grinding roller 3 and third grinding roller 4, the material is carried by third grinding roller 4 to stock guide 13 when mixing, installs scraper 142 in the side of third grinding roller 4, adjusts the position of scraper 142 through the cooperation of fixed arm 16, adjusting beam 17 and regulating shaft 18, makes one end of scraper 142 hug closely the outer surface of third grinding roller 4, is favorable to high-efficiently striking off the material outside third grinding roller 4; according to the material of difference, adjust the clearance between the grinding roller through the cooperation of sliding block 5, regulation pole 7, installation piece 9 and spring 12, be favorable to improving the grinding effect of material.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A multi-roll grinding device is characterized in that: comprises a frame (1), a plurality of grinding rollers arranged on the frame (1) and a discharging mechanism used for scraping and guiding materials, wherein the grinding rollers are horizontally arranged, the discharging mechanism is arranged at the discharging ends of the grinding rollers, the discharging mechanism comprises a guide plate (13), a scraping part (14) used for being attached to the grinding rollers positioned at the discharging ends and an adjusting piece used for adjusting the distance between the scraping part (14) and the grinding rollers positioned at the discharging ends, the guide plate (13) is obliquely and downwards arranged at one side of the grinding rollers positioned at the discharging ends, the scraping part (14) is arranged at one side of the guide plate (13) close to the grinding rollers positioned at the discharging ends, an adjusting auxiliary piece used for enhancing the attaching effect between the scraping part (14) and the grinding rollers is arranged on the frame (1), the adjusting auxiliary piece comprises a positioning block (22) arranged on the frame (1) and an auxiliary rod (20) used for being in threaded fit with the positioning block (22), and one end of the auxiliary rod (20) far away from the positioning block (22) is provided with an auxiliary pressure spring (25) which is used for being in contact with the lower surface of the material guide plate (13).

2. The multi-roll grinding apparatus according to claim 1, wherein: adjust the auxiliary member still including being used for rotating guide block (23) of being connected with auxiliary rod (20), guide block (23) set up in frame (1), guide block (23) are located locating piece (22) top, one side fixedly connected with dead lever (24) of locating piece (22) are kept away from in guide block (23), supplementary pressure spring (25) are used for the cover to locate on dead lever (24), the one end that guide block (23) were kept away from in supplementary pressure spring (25) extends dead lever (24) and keeps away from the one end of guide block (23), the one end that guide block (23) were kept away from in supplementary pressure spring (25) is used for with guide plate (13) lower surface contact.

3. The multi-roll grinding apparatus according to claim 1, wherein: the scraping part (14) comprises a connecting plate (141) and a scraper (142), the connecting plate (141) is fixedly connected to one end, close to the grinding roller positioned on the discharging end, of the material guide plate (13), the scraper (142) is fixedly connected to one end, far away from the material guide plate (13), of the connecting plate (141), an obtuse angle is formed between the connecting plate (141) and the material guide plate (13), and one side, far away from the connecting plate (141), of the scraper (142) is used for being in contact with the grinding roller positioned on the discharging end.

4. The multi-roll grinding apparatus according to claim 1, wherein: the regulating part is including setting up in fixed arm (16) of frame (1), setting up in regulation roof beam (17) of stock guide (13) and be used for with fixed arm (16) screw-thread fit's regulating spindle (18), fixed arm (16) and regulating spindle (18) all are provided with two, every regulating spindle (18) correspond and set up an adjusting knob (19), two fixed arm (16) are located the both sides of stock guide (13) ejection of compact direction respectively, fixed arm (16) and regulation roof beam (17) are worn to establish in proper order in regulating spindle (18), the one end rotation of keeping away from fixed arm (16) in regulating spindle (18) is connected in regulating beam (17).

5. The multi-roll grinding apparatus according to claim 1, wherein: the grinding rollers are three, the three grinding rollers are respectively defined as a first grinding roller (2), a second grinding roller (3) and a third grinding roller (4), a feeding end is arranged above the first grinding roller (2) and the second grinding roller (3), and the third grinding roller (4) is a discharging end; be provided with four groups of roll spacing adjustment mechanism on frame (1), the both ends of first grinding roller (2) and the both ends of third grinding roller (4) correspond respectively and set up a set of roll spacing adjustment mechanism, first grinding roller (2) and the equal sliding connection in frame (1) of third grinding roller (4), the sliding direction perpendicular to that first grinding roller (2) and third grinding roller (4) grinds the length direction of roller, roll spacing adjustment mechanism is used for adjusting the distance that first grinding roller (2) second grinding roller (3) relatively and the distance that third grinding roller (4) second grinding roller (3) relatively.

6. The multi-roll grinding apparatus according to claim 5, wherein: two slip openings (103) have been seted up in frame (1), two slip opening (103) are located the both ends of grinding the roller respectively, the roof and the diapire of slip opening (103) all are provided with sliding strip (104), second grinding roller (3) both ends are rotated and are connected with fixed block (6) that are used for setting up in slip opening (103), the both ends of first grinding roller (2) and the both ends of third grinding roller (4) are all rotated and are connected with sliding block (5), the up end and the lower terminal surface of sliding block (5) are seted up respectively and are used for with two sliding strip (104) sliding fit's sliding tray.

7. The multi-roll grinding apparatus according to claim 6, wherein: the roller spacing adjusting mechanism comprises an adjusting rod (7) in threaded fit with the rack (1), one end of the adjusting rod (7) is located outside the sliding opening (103), and the other end of the adjusting rod (7) is used for being rotatably connected to a sliding block (5) corresponding to the grinding roller.

8. The multi-roll grinding apparatus according to claim 7, wherein: the adjusting rod (7) is sleeved with an adjusting pressure spring, the adjusting pressure spring is located in the sliding opening (103), and the adjusting pressure spring is located between the sliding block (5) and the side wall of the end portion of the sliding opening (103).

9. The multi-roll grinding apparatus according to claim 6, wherein: fixed block (6) are close to the both sides difference fixedly connected with gag lever post (11) of first grinding roller (2) and third grinding roller (4), the cover is equipped with spring (12) on gag lever post (11), the one end fixed connection of spring (12) in fixed block (6), the other end of spring (12) extends gag lever post (11) and keeps away from the one end of fixed block (6) and is used for conflicting with adjacent sliding block (5).