CN214346819U

CN214346819U - Adjustable three-roller grinding machine

Info

Publication number: CN214346819U
Application number: CN202023060851.5U
Authority: CN
Inventors: 吕晓正; 王勇; 严玉; 吕军俊
Original assignee: Changzhou Qinyuan New Material Co ltd
Current assignee: Changzhou Qinyuan New Material Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-10-08
Anticipated expiration: 2030-12-17

Abstract

The application relates to an adjustable three-roller grinding machine which comprises a mounting seat, wherein three grinding rollers are mounted on the mounting seat, each grinding roller comprises a thick core shaft and thin core shafts arranged at two ends of the thick core shaft, one end of each thin core shaft is connected with a grinding motor, two groups of transmission belts are arranged on the thin core shafts, the grinding rollers are slidably mounted on the mounting seat, and the sliding direction of the grinding rollers is perpendicular to the central axis of the grinding rollers; the mounting seat is provided with an adjusting component and a driving component; the adjusting assembly comprises an adjusting sleeve rod and a limiting piece, the adjusting sleeve rod is arranged between the adjacent thin mandrel shafts and is used for driving the thin mandrel shafts to slide, the adjusting sleeve rod comprises a thin rod and a thick cylinder, and one end, close to the thin rod, of the thick cylinder is sleeved on the thin rod; the thin core shaft is sleeved with a rotating ring which is fixedly connected with the adjusting sleeve rod; the limiting piece is used for limiting the grinding roller after sliding; the driving assembly is used for controlling the fine mandrel to slide. This application has the distance of being convenient for control between the grinding roller, is convenient for obtain the effect of the raw materials of different fineness.

Description

Adjustable three-roller grinding machine

Technical Field

The application relates to the field of grinding equipment, especially, relate to an adjustable three-roller grinds machine.

Background

The production process of the coating material encounters a grinding procedure, and the common coating material grinding machines comprise: three-roll mills, horizontal mills, vertical mills and basket mills. These coating mills are also used for milling production of medium and high viscosity liquid raw materials such as paints, inks, pigments, resins, etc. The liquid raw material is conveyed into a closed grinding cylinder by a pump, then the meson grinding beads are pushed by a main machine to run at a high speed, so that the coating raw material is pressurized and impacted by high-speed rotation in a narrow grinding bead gap to generate grinding functions of mixing, emulsifying, dispersing, rubbing, rolling and the like, thereby achieving the fineness required by the raw material, and the raw material is conveyed out of the grinding cylinder through a hard tungsten steel separation gap rotating at a high speed after being ground.

For example, chinese patent with publication No. CN205965979U discloses a three-roller grinder, which comprises a grinder body, the grinder body includes a mounting seat, the mounting seat is provided with a grinding motor and three grinding rollers, wherein the grinding roller at one end is connected with the grinding connection, the grinding rollers include a thick mandrel and thin mandrels arranged at two ends of the thick mandrel, the mounting seat is provided with a mounting hole for the thin mandrel to pass through, and the aperture of the mounting hole is slightly larger than the diameter of the end face of the thin mandrel; still be equipped with transmission between grinding motor and the grinding roller, transmission is including the drive belt that is used for realizing two adjacent grinding roller linkages. After the driving motor is started, the driving device is driven to operate, so that the three grinding rollers are driven to rotate, and grinding is carried out.

In view of the above-mentioned related technologies, the inventor thinks that the fineness required by different raw materials is different, and the fine mandrel passes through the mounting hole, and the distance between the grinding rollers is difficult to adjust, so that the extrusion degree of the grinding rollers to the raw materials during grinding is difficult to adjust, and thus raw materials with different fineness are difficult to obtain.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the regulation to grind the distance between the roller to be convenient for obtain the raw materials of different fineness, this application provides an adjustable three-roller grinds machine.

The application provides a pair of adjustable three-roller grinding machine adopts following technical scheme:

an adjustable three-roller grinding machine comprises a mounting seat, wherein three grinding rollers are mounted on the mounting seat, each grinding roller comprises a thick core shaft and thin core shafts arranged at two ends of the thick core shaft, one end of each thin core shaft is connected with a grinding motor, a transmission belt is arranged on each thin core shaft, the grinding rollers are slidably mounted on the mounting seat, and the sliding direction of the grinding rollers is perpendicular to the central axis of the grinding rollers; the mounting seat is provided with an adjusting component and a driving component; the adjusting assembly comprises an adjusting sleeve rod and a limiting piece, the adjusting sleeve rod is arranged between the adjacent thin mandrel shafts and is used for driving the thin mandrel shafts to slide, the adjusting sleeve rod comprises a thin rod and a thick cylinder, and one end, close to the thin rod, of the thick cylinder is sleeved on the thin rod; the thin core shaft is sleeved with a rotating ring which is fixedly connected with the adjusting sleeve rod; the limiting piece comprises a positioning bolt, the positioning bolt is arranged on the thick cylinder, and the positioning bolt can penetrate through the thick cylinder to abut against the thin rod; the driving assembly is used for controlling the coarse barrel to slide.

Through adopting above-mentioned technical scheme, the steerable thick section of thick bamboo of drive assembly slides to drive thin dabber and slide, thereby drive the grinding roller and slide. Can make the grinding roller slide to the required position back according to the fineness requirement of raw materials, screw up positioning bolt, make positioning bolt and slender pole offset, carry on spacingly through the locating part to the grinding roller, make the grinding roller after the regulation difficult continuation slide, grind, effectively controlled the distance between the grinding roller to the extrusion degree of raw materials when effectively controlled grinding roller, be convenient for obtain the raw materials of different fineness.

Optionally, the limiting member further includes a limiting block, one end of the limiting block is fixedly connected to the rotating ring at one end, and the other end of the limiting block is connected to the driving assembly.

By adopting the technical scheme, the limiting block is simple in structure and convenient to process, and is arranged on the rotating ring at the end part and convenient to install; the accessible drive stopper to drive the rotating ring and slide, thereby drive thick section of thick bamboo and slide, thereby drive thin dabber and slide, thereby drive the grinding roller and slide. After sliding the grinding roller to the required position, stop to drive the stopper, the stopper alright carry on spacingly to the grinding roller that is located the tip, carry out dual spacing, stability when effectively having improved the grinding. The grinding roller can be driven to slide through the limiting block, the fine core shaft can be further limited, and the grinding roller is convenient to operate and convenient to operate for a user.

Optionally, the driving assembly includes a driving motor and a buffer member, the buffer member is disposed between the driving motor and the limiting block, and the driving motor can drive the limiting block to move through the buffer member.

Through adopting above-mentioned technical scheme, because the grinding roller is heavier, make the displacement of grinding roller need great power. The driving motor can drive the limiting block to move through the buffer piece, so that the grinding roller is driven to move. The driving motor is widely applied and simple to operate, and compared with a manual moving grinding roller, the grinding roller is effective and labor-saving and is convenient to use by a user.

Optionally, the buffer comprises a gear set and a buffer rod, the gear set comprises a pinion and a bull gear, the pinion is engaged with the bull gear, and the pinion is fixedly connected with a rotating shaft of the driving motor; one end of the buffer rod is in threaded connection with the limiting block, and the other end of the buffer rod is fixedly connected with the large gear; the cross section of stopper is not circular, fixedly is provided with the spacing ring on the mount pad, and the spacing ring cover is located on the stopper and with stopper looks adaptation.

Through adopting above-mentioned technical scheme, because the distance that the regulation grinding roller slided is less, and driving motor's rotational speed is very fast, easily leads to the distance that the grinding roller slided great or less, is difficult for reaching the distance that requires to difficult fineness of grind that reaches the requirement. And through the setting of gear train, the pinion is connected with driving motor, and the pinion rotates many rings, and the gear wheel just rotates the round, has effectively slowed down the rotational speed of gear wheel to effectively slowed down the rotational speed of buffer beam, thereby effectively slowed down the translation rate of spacing section of thick bamboo, thereby be convenient for grind the regulation of roller sliding distance.

Optionally, the adjusting assembly further comprises a damping spring, the damping spring is sleeved on the adjusting sleeve rod, and the length of the damping spring is smaller than the natural length of the damping spring.

Through adopting above-mentioned technical scheme, because the grinding roller during operation, the grinding roller incessantly rotates, easily produces vibrations, easily leads to the regulation loop bar between the thin dabber to damage, and damping spring can effectively the shock attenuation, is difficult for making the regulation loop bar damage, has effectively improved the life of adjusting the loop bar.

Optionally, a connecting piece is arranged on the fine mandrel, the connecting piece includes a first connecting piece and a second connecting piece, the first connecting piece is arranged between the rotating shaft of the grinding motor and the fine mandrel close to the grinding motor, the first connecting piece is detachably connected with the rotating shaft of the grinding motor, and the first connecting piece is detachably connected with the fine mandrel; the fine core shafts positioned in the middle of the three fine core shafts close to the grinding motor comprise first shafts and second shafts, the first shafts are far away from the coarse core shaft compared with the second shafts, the center lines of the first shafts and the second shafts are overlapped, gaps exist between the end faces, close to each other, of the first shafts and the second shafts, the second connecting pieces are detachably connected with the first shafts, and the second connecting pieces are detachably connected with the second shafts; the two groups of transmission belts are respectively positioned at two sides of the second connecting piece.

By adopting the technical scheme, the transmission belt is easy to loosen or tighten after the grinding roller slides. After the transmission belt is loosened, the transmission belt is easy to slip to generate squeaking noise, the transmission efficiency is reduced, the transmission belt is also likely to fall off due to the loosening, the three grinding rollers are not easy to be driven to rotate simultaneously, and the normal use of the grinding machine is inconvenient; the tension can be increased by over-tightening the driving belt, so that the driving belt is easy to break and fracture suddenly under the working condition of high temperature and high load, and the service life of the driving belt is shortened. And too big pulling force can add the work load of grinding motor, easily makes grinding motor damage. And through setting up the connecting piece, after the grinding roller moved the position that requires, be convenient for change suitable drive belt, the normal use of the machine of being convenient for has effectively improved the life of drive belt and grinding motor.

Optionally, a protective cover is arranged on the mounting seat, and the gear set is located in the protective cover.

Through adopting above-mentioned technical scheme, because the gear train is comparatively sharp, easy fish tail is established to the gear train during operation user when being close to, the gear train can be covered to the safety cover to make the user be difficult for by the fish tail, effectively improved the security.

Optionally, the adjusting assemblies are provided with two groups and located at two sides of the mounting seat respectively, and the driving assemblies are provided with two groups and located at two sides of the mounting seat respectively.

Through adopting above-mentioned technical scheme, can make the both ends of grinding the roller slide simultaneously, be difficult for making the distance between the grinding roller big on one side little, the grinding roller of being convenient for grinds evenly, has effectively improved the homogeneity of the raw materials after grinding.

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

1. according to the fineness requirement of the raw materials, after the grinding roller slides to a required position, the sliding of the grinding roller is limited through the limiting part, so that the grinding roller is not easy to continue to slide and grind. The distance between the grinding rollers is effectively controlled, so that the extrusion degree of the grinding rollers to the raw materials during grinding is effectively controlled, and the raw materials with different fineness can be conveniently obtained;

2. through the setting of gear train, the pinion is connected with driving motor, and the pinion rotates many rings, and the gear wheel just rotates the round, has effectively slowed down the rotational speed of gear wheel to effectively slowed down the rotational speed of buffer beam, thereby effectively slowed down the translation rate of spacing section of thick bamboo, thereby be convenient for grind the regulation of roller sliding distance.

Drawings

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

Fig. 2 is a schematic structural view after the protective cover and part of the shock absorbing spring are hidden.

Fig. 3 is an enlarged view of a in fig. 2.

Description of reference numerals: 1. a mounting seat; 11. a side plate; 111. installing a through groove; 12. grinding the motor; 13. a first connecting cylinder; 14. a second connecting cylinder; 15. a transmission belt; 16. a limiting ring; 17. a protective cover; 2. a grinding roller; 21. a coarse mandrel; 22. a fine mandrel; 221. a first shaft; 222. a second shaft; 3. an adjustment assembly; 31. a rotating ring; 32. adjusting the loop bar; 321. a thin rod; 322. coarse tube; 3221. positioning the bolt; 33. a limiting block; 4. a drive assembly; 41. a gear set; 411. a pinion gear; 412. a bull gear; 42. a drive motor; 43. a buffer rod; 5. a shock absorbing spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses adjustable three-roller grinds machine. Referring to fig. 1, the adjustable three-roller grinder includes a mounting base 1, and three grinding rollers 2, an adjusting assembly 3 and a driving assembly 4 are mounted on the mounting base 1.

Referring to fig. 2 and 3, the grinding roller 2 includes a thick mandrel 21 and thin mandrels 22 integrally formed at two ends of the thick mandrel 21, the mounting seat 1 includes two side plates 11 vertically arranged, the two side plates 11 are oppositely arranged, the mounting through groove 111 has been all opened on the outer side surfaces of the two side plates 11, the distance between the upper side surface of the inner side wall of the mounting through groove 111 and the lower side surface of the inner side wall of the mounting through groove 111 is slightly larger than the diameter of the end surface of the thin mandrel 22, the left thin mandrel 22 passes through the left mounting through groove 111, and the right thin mandrel 22 passes through the right mounting through groove 111.

Referring to fig. 2 and 3, a grinding motor 12 is mounted on the mounting base 1, and a connecting piece is mounted on the thin mandrel 22 and comprises a first connecting piece and a second connecting piece, wherein the first connecting piece is a first connecting cylinder 13, and the second connecting piece is a second connecting cylinder 14; the first connecting cylinder 13 is located between the rotating shaft of the grinding motor 12 and the thin mandrel 22 close to the rear side of the mounting seat 1, one end of the first connecting cylinder 13 is connected with the rotating shaft of the grinding motor 12 through a bolt, and the other end of the first connecting cylinder is connected with the thin mandrel 22 close to the rear side of the mounting seat 1 through a bolt. Among the three thin mandrels 22 positioned on the left side of the mounting seat 1, the thin mandrel 22 positioned in the middle comprises a first shaft 221 and a second shaft 222, the first shaft 221 is far away from the thick mandrel 21 compared with the second shaft 222, the center lines of the first shaft 221 and the second shaft 222 are overlapped, a gap exists between the end faces of the first shaft 221 and the second shaft 222, which are close to each other, one end of the second connecting cylinder 14 is connected with the first shaft 221 through a bolt, and the other end of the second connecting cylinder is connected with the second shaft 222 through a bolt; in the three thin mandrels 22 on the left side of the mounting seat 1, the transmission belts 15 are installed on the adjacent thin mandrels 22, two groups of transmission belts 15 are installed on the transmission belts 15, and the two groups of transmission belts 15 are respectively located on two sides of the second connecting cylinder 14.

Referring to fig. 2 and 3, two groups of adjusting assemblies 3 are installed and located on the left side and the right side of the installation base 1 respectively, each adjusting assembly 3 comprises a rotating ring 31, an adjusting loop bar 32 and a limiting piece, each thin mandrel 22 is sleeved with the rotating ring 31, and the inner diameter of each rotating ring 31 is slightly larger than the diameter of the end face of the thin mandrel 22; the length of the rotating ring 31 close to the rear side of the mounting seat 1 is larger than that of the rotating ring 31 close to the front side of the mounting seat 1, and the rotating ring 31 close to the rear side of the mounting seat 1 is fixedly installed on the side plate 11. The adjusting loop bar 32 is arranged between the adjacent rotating rings 31, and both ends of the adjusting loop bar 32 are fixedly connected with the rotating rings 31; the adjusting sleeve rod 32 comprises a thin rod 321 and a thick cylinder 322, one end of the thick cylinder 322 close to the thin rod 321 is sleeved on the thin rod 321, and the thick cylinder 322 can move along the thin rod 321. The thick cylinder 322 far away from the grinding motor 12 is provided with a positioning bolt 3221 for abutting against the thin rod 321, and after the thick cylinder 322 moves along the thin rod 321, the thick cylinder 322 can be limited by screwing the positioning bolt 3221, so that the grinding roller 2 is limited. All the cover is equipped with damping spring 5 on every group regulation loop bar 32, and damping spring 5's length is less than damping spring 5's initial length all the time, has effectively slowed down the vibrations that grinding roller 2 during operation produced. The limiting part comprises a limiting block 33, one end of the limiting block 33 is fixedly connected with the rotating ring 31 close to the front side of the mounting seat 1, and the other end of the limiting block 33 is connected with the driving assembly 4. The mounting seat 1 is fixedly provided with a limiting ring 16, and the limiting ring 16 is sleeved on the limiting block 33 and is matched with the limiting block 33.

Referring to fig. 2 and 3, two sets of driving assemblies 4 are installed and located at the left and right sides of the installation base 1 respectively, each driving assembly 4 includes a driving motor 42 and a buffer member, each buffer member includes a gear set 41 and a buffer rod 43, each gear set 41 includes a pinion 411 and a bull gear 412 meshed with the pinion 411, and a rotating shaft of the driving motor 42 is fixedly connected with the pinion 411; one end of the limiting block 33 far away from the rotating ring 31 is provided with a threaded hole, one end of the buffer rod 43 is in threaded connection with the limiting block 33 through the threaded hole, and the other end of the buffer rod is fixedly connected with the large gear 412. Driving motor 42 can drive pinion 411 and rotate, and pinion 411 drives gear wheel 412 and rotates to drive buffer rod 43 and rotate, thereby drive stopper 33 and remove, thereby drive thick section of thick bamboo 322 and remove, thereby drive grinding roller 2 and remove, effectively adjusted the distance between the grinding roller 2, be convenient for grind the raw materials of different fineness. The rotation speed of the driving motor 42 is fast, and the rotation speed of the large gear 412 is effectively slowed down by the arrangement of the small gear 411 and the large gear 412, so that the moving speed of the grinding roller 2 is effectively slowed down, and the moving distance of the grinding roller 2 is conveniently controlled.

Referring to fig. 1 and 2, the left side and the right side of the mounting seat 1 are respectively provided with a protective cover 17, and the driving motor 42 and the gear set 41 are both positioned in the protective covers 17, so that an operator is not easily scratched by the gear set 41, and the safety is effectively improved.

The implementation principle of adjustable three-roller grinding machine of the embodiment of the application is as follows: start driving motor 42, driving motor 42 drives pinion 411 and rotates, and pinion 411 drives gear wheel 412 and rotates to drive buffer rod 43 and rotate, buffer rod 43 and stopper 33 screw-thread fit drive stopper 33 and remove, thereby drive thick section of thick bamboo 322 and remove, thereby drive thin dabber 22 and remove, thereby drive grinding roller 2 and remove. After moving to the required position, close driving motor 42, screw up positioning bolt 3221 simultaneously, make grinding roller 2 be difficult for continuing to move, effectively controlled the distance between grinding roller 2 to grinding roller 2 is to the extrusion degree of raw materials when effectively having adjusted the grinding, is convenient for grind the raw materials of different fineness.

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. The utility model provides an adjustable three-roller grinding machine, includes mount pad (1), installs three grinding roller (2) on mount pad (1), grinds grinding roller (2) and includes thick dabber (21) and thin dabber (22) of setting at thick dabber (21) both ends, and the one end of thin dabber (22) is connected with grinding motor (12), is equipped with drive belt (15) on thin dabber (22), its characterized in that: the grinding roller (2) is slidably mounted on the mounting seat (1), and the sliding direction of the grinding roller (2) is vertical to the central axis of the grinding roller (2); the mounting seat (1) is provided with an adjusting component (3) and a driving component (4); the adjusting assembly (3) comprises adjusting sleeve rods (32), rotating rings (31) and limiting pieces, the adjusting sleeve rods (32) are arranged between the adjacent thin mandrel (22) and are used for driving the thin mandrel (22) to slide, the adjusting sleeve rods (32) comprise thin rods (321) and thick tubes (322), and one end, close to the thin rods (321), of each thick tube (322) is sleeved on the corresponding thin rod (321); a rotating ring (31) is sleeved on the thin mandrel (22), and the rotating ring (31) is fixedly connected with an adjusting sleeve rod (32); the limiting piece comprises a positioning bolt (3221), the positioning bolt (3221) is arranged on the thick cylinder (322), and the positioning bolt (3221) can penetrate through the thick cylinder (322) to abut against the thin rod (321); the driving component (4) is used for controlling the fine mandrel (22) to slide.

2. The adjustable three-roller grinder of claim 1, wherein: the limiting part comprises a limiting block (33), one end of the limiting block (33) is fixedly connected with the rotating ring (31) at one end, and the other end of the limiting block is connected with the driving assembly (4).

3. The adjustable three-roller grinder of claim 2, wherein: the driving assembly (4) comprises a driving motor (42) and a buffer piece, the buffer piece is arranged between the driving motor (42) and the limiting block (33), and the driving motor (42) can drive the limiting block (33) to move through the buffer piece.

4. The adjustable three-roller grinder of claim 3, wherein: the buffer piece comprises a gear set (41) and a buffer rod (43), the gear set (41) comprises a small gear (411) and a large gear (412), the small gear (411) is meshed with the large gear (412), and the small gear (411) is fixedly connected with a rotating shaft of the driving motor (42); one end of the buffer rod (43) is in threaded connection with the limiting block (33), and the other end of the buffer rod is fixedly connected with the large gear (412); the cross section of the limiting block (33) is not circular, a limiting ring (16) is fixedly arranged on the mounting seat (1), and the limiting block (33) is sleeved with the limiting ring (16) and is matched with the limiting block (33).

5. The adjustable three-roller grinder of claim 1, wherein: the adjusting component (3) further comprises a damping spring (5), the damping spring (5) is sleeved on the adjusting sleeve rod (32), and the length of the damping spring (5) is smaller than the natural length of the damping spring (5).

6. The adjustable three-roller grinder of claim 1, wherein: the thin core shaft (22) is provided with a connecting piece, the connecting piece comprises a first connecting piece and a second connecting piece, the first connecting piece is arranged between the rotating shaft of the grinding motor (12) and the thin core shaft (22) close to the grinding motor (12), the first connecting piece is detachably connected with the rotating shaft of the grinding motor (12), and the first connecting piece is detachably connected with the thin core shaft (22); the middle thin mandrel (22) comprises a first shaft (221) and a second shaft (222), the first shaft (221) is far away from the thick mandrel (21) compared with the second shaft (222), the center lines of the first shaft (221) and the second shaft (222) are overlapped, a gap exists between the end faces, close to each other, of the first shaft (221) and the second shaft (222), a second connecting piece is detachably connected with the first shaft (221), and the second connecting piece is detachably connected with the second shaft (222); two groups of transmission belts (15) are respectively positioned at two sides of the second connecting piece.

7. The adjustable three-roller grinder of claim 4, wherein: be equipped with safety cover (17) on mount pad (1), gear train (41) are located safety cover (17).

8. The adjustable three-roller grinder of claim 1, wherein: the adjusting assembly (3) is provided with two groups of adjusting assemblies which are respectively located on two sides of the mounting seat (1), and the driving assembly (4) is provided with two groups of adjusting assemblies which are respectively located on two sides of the mounting seat (1).