CN210496560U

CN210496560U - Three-roller grinding machine with adjustable roller swing

Info

Publication number: CN210496560U
Application number: CN201920889434.XU
Authority: CN
Inventors: 宣荣高
Original assignee: Lanzhou Limac Machinery Works Corp
Current assignee: Lanzhou Limac Machinery Works Corp
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-05-12
Anticipated expiration: 2029-06-13

Abstract

The utility model provides a three-roller grinding machine with adjustable roller swing, which comprises a slow roller, a middle roller and a fast roller, wherein the three rollers are arranged in a nonlinear way, and the middle roller is respectively adjacent to the slow roller and the fast roller and arranged in a V shape; the slow roller is connected with a slow roller speed reducer, the middle roller is connected with a middle roller speed reducer, and the fast roller is connected with a fast roller speed reducer; the slow roller bearing seat, the middle roller bearing seat and the fast roller bearing seat are respectively connected to the rack through positioning pins, the middle roller is fixedly mounted on the rack relative to the corresponding positioning pins, namely the middle roller cannot rotate around the positioning pins, the slow roller and the fast roller are respectively connected with adjusting devices, and the adjusting devices respectively adjust the slow roller and the fast roller to swing around the corresponding positioning pins. The gap between the rollers is convenient to adjust, the gap is stable during operation, and the production efficiency can be improved; the noise of the operation is reduced, and the working environment is improved.

Description

Three-roller grinding machine with adjustable roller swing

Technical Field

The utility model provides a grind machine with adjustable running roller gap often is applied to trades such as chemical industry, printing ink, coating, improves the stability and the grinding efficiency that the running roller ground the machine, noise reduction.

Background

The multi-roller grinding technology is widely applied to the industries of chemical industry, printing ink, coating and the like. The traditional grinding machine mainly comprises three rollers which are arranged in parallel and a parallel gear reducer with three output shafts and one input shaft. As shown in fig. 1, three output shafts of the speed reducer in the prior art are coaxially and rigidly connected with three rollers, so that the adjustment of the gap between the rollers is related to the meshing gap of the gears on the output shafts of the speed reducer. The larger the roller clearance is, the larger the gear clearance is, and the larger the noise is when the speed reducer operates.

As shown in figure 2, an adjusting device is arranged between the other two rollers and used for adjusting the gap between the two rollers, and the adjusting mode is mainly that the screw rod compresses the spring to reset. The gap between the rollers is opened by a compression spring, so that the gap is unstable and uniform. The screw rod for adjusting the gap between the rollers is not provided with a locking device, and the screw rod can vibrate and loosen when the machine runs, so that the gap between the rollers is changed.

Disclosure of Invention

The utility model provides a three-roller grinding machine with adjustable running roller swing that can reduce above-mentioned defect.

In order to achieve the above object, the present invention provides the following solutions: a three-roller grinding machine with adjustable roller swing comprises a slow roller, a middle roller and a fast roller, wherein the three roller wheels are arranged in a non-linear mode, and the middle roller is respectively adjacent to the slow roller and the fast roller and arranged in a V shape; the slow roller is connected with a slow roller speed reducer, the middle roller is connected with a middle roller speed reducer, and the fast roller is connected with a fast roller speed reducer; the slow roller bearing seat, the middle roller bearing seat and the fast roller bearing seat are respectively connected to the rack through positioning pins, the middle roller is further fixed on the rack through fastening bolts, namely the middle roller cannot rotate around the positioning pins, the slow roller and the fast roller are respectively connected with adjusting devices, and the adjusting devices respectively adjust the slow roller and the fast roller to swing around the corresponding positioning pins.

The slow roller and the fast roller can swing left and right by taking the positioning pin as a rotation center, and the swing amplitude is 5 for each of the left and the right^o－10^o. The three rollers are designed in a non-linear mode, and the rolling wheel gap can be adjusted by swinging of the slow roller and the fast roller. The adjusting mode has the advantages that the gap between the rollers is stable, and the operation efficiency is high.

The utility model discloses further set up to: the adjusting device comprises a screw rod, an adjusting nut, a universal joint, an adjusting rod, a locking device and a hand wheel, the slow roller and the fast roller are respectively connected with the adjusting device, the two adjusting devices are identical in structure, the slow roller bearing seat and the fast roller bearing seat are respectively provided with the adjusting nut, the adjusting nut is connected with the middle roller bearing seat through the screw rod, one end of the adjusting rod is connected through the universal joint, the other end of the adjusting rod is connected with the hand wheel, and the locking device locks and fixes the adjusting rod on the frame. By adopting the technical scheme, when the gap of the roller is adjusted, the locking device is firstly loosened, and the hand wheel is rotated to drive the universal joint to drive the nut to rotate through the adjusting rod; because the screw rod is relatively fixed, the adjusting nut drives the slow roller or the fast roller to do swinging motion, the purpose of adjusting the gap of the roller wheel is achieved, and then the locking device is fastened. The adjusting device has the advantages of convenient adjustment of the gap between the rollers, stable gap and high operation efficiency.

The utility model discloses further set up to: the locking device consists of an inner sleeve, an outer sleeve, a nut and the like; a steel sleeve is welded on the frame, the outer sleeve is in over-fit connection with the steel sleeve, and the inner sleeve is in clearance fit connection with the adjusting rod; the inner and outer sleeves are connected in a cone fit manner. The locking device can lock the roller after the adjustment of the gap of the roller is finished, so that the gap between the two rollers can not be changed when the machine runs. When in operation, the nut is rotated to enable the inner sleeve and the outer sleeve to do relative coaxial linear motion, and the outer sleeve is provided with the open slot and can be expanded, thereby achieving the purpose of locking the adjusting rod.

The utility model discloses further set up to: the power of the three rollers is separated, the three speed reducers are respectively and directly connected by three motors, the speed reducers are connected with the bearing seats by bolts, and the bearing seats are connected on the rack; the roller shaft is directly sleeved on the speed reducer; the motor is connected with the speed reducer through bolts. By adopting the technical scheme, the three rollers are respectively driven by the three speed reducers, and the speed reducer gears have independent lubricating and running spaces, so that the noise is greatly reduced, and the running environment of the machine is improved.

The utility model discloses a three-roller grinds machine with adjustable roller swing compares in traditional three-roller that the three-roller is coaxial and rigid connection grinds the machine, the three-roller is ground machine with adjustable roller swing is carried out the different axle with three running roller and is arranged, adjusts the clearance between the running roller through the wobbling mode of running roller, and the center running roller is fixed promptly, and the both sides running roller can swing in the certain limit. And meanwhile, a locking device is additionally arranged, so that the gap between the two rollers cannot change when the machine runs. The utility model discloses can high accuracy control running roller clearance, increase the stability and the grinding efficiency of running roller, reduce noise.

Drawings

FIG. 1 is a plan view of a roller and transmission structure of a conventional three-roller coaxial grinder;

FIG. 2 is a schematic diagram of the adjustment of the roll gap of a conventional three-roll coaxial grinder;

FIG. 3 is a schematic diagram of the adjustment of the gap between the rollers of the three-roller grinder with adjustable roller swing according to the present invention;

FIG. 4 is a schematic view of a roller adjusting device of a three-roller grinder with adjustable roller swing according to the present invention;

fig. 5 is a plan view of the transmission structure of the three-roller grinder with adjustable roller swing of the present invention.

Reference numerals: 1. a slow roll; 2. a middle roller; 3. carrying out fast rolling; 4. a slow roll bearing seat; 5. a middle roll bearing seat; 6. a fast roll bearing seat; 7. positioning pins; 8. tightening the bolt; 9. A screw rod; 10. adjusting the nut; 11. a universal joint; 12. an adjusting lever; 13. a locking device; 14. a hand wheel; 15. a frame; 16. A slow roll reducer; 17. a middle roller speed reducer; 18. a fast rolling speed reducer; 19. an electric motor.

Detailed Description

The present invention will be described in further detail with reference to fig. 3 to 5.

As shown in figure 3, the three-roller grinding machine with the adjustable roller swing comprises a slow roller 1, a middle roller 2 and a fast roller 3, wherein the three rollers are arranged in a non-linear mode, and the middle roller is respectively adjacent to the slow roller and the fast roller and arranged in a V shape. The slow roller bearing seat 4, the middle roller bearing seat 5 and the fast roller bearing seat 6 are respectively connected to a rack 15 through positioning pins 7, the middle roller 2 is further fixed on the rack 15 through fastening bolts 8 and cannot rotate around the positioning pins 7, and the slow roller 1 and the fast roller 3 are respectively connected with adjusting devices. As shown in FIG. 4, the adjusting device packageThe device comprises a screw rod 9, a nut 10, a universal joint 11, an adjusting rod 12, a locking device 13 and a hand wheel 14. The adjusting devices connected with the slow roller 1 and the fast roller 3 have the same structure, and the adjusting devices connected with the slow roller 1 are further explained. The screw rod 9 is fixed on the middle roller bearing block 5 through a movable joint; an adjusting nut 10 is fixed on the slow roller bearing seat 4 through a movable joint, one end of a universal joint 11 is connected to the adjusting nut 10, the other end of the universal joint is connected with one end of an adjusting rod 12, and the other end of the adjusting rod 12 is connected with a hand wheel 14. The adjusting rod 12 is also provided with a locking device 13, and the locking device 13 comprises an inner sleeve, an outer sleeve, a nut and the like; a steel sleeve is welded on the frame, the outer sleeve is in over-fit connection with the steel sleeve, and the inner sleeve is in clearance fit connection with the adjusting rod; the inner and outer sleeves are connected in a cone fit manner. The locking device 13 can lock and fix the adjusting rod 12 on the frame 15. When the gap of the roller is adjusted, the locking device 13 is firstly loosened; the rotating hand wheel 14 rotates through the adjusting rod 12 and the universal joint 11 to drive the adjusting nut 10, and further drives the slow roller 1 to swing around the positioning pin 7, so that the purpose of adjusting the gap of the roller is achieved. The locking device 13 can lock the slow roller after the adjustment of the roller gap is finished, so that the gap between the three rollers is stable and does not change when the machine runs. In concrete work, the swing width is generally set to 5 on the left and right sides respectively^o－10^o. The gap between the slow roll 1 and the middle roll 2 is generally adjusted to be in the range of 0.3 to 0.5mm, and the gap between the fast roll 3 and the middle roll 2 is generally adjusted to be in the range of 0.05 to 0.15 mm. After finishing the grinding, the tightening device 13 is loosened and the machine is cleaned for the next grinding.

The transmission connection of the grinder is shown in fig. 5, wherein the slow roller 1 is connected with a slow roller reducer 16, the middle roller 2 is connected with a middle roller reducer 17, and the fast roller 3 is connected with a fast roller reducer 18. The three speed reducers are respectively connected with different motors 19. Three speed reducers are used for driving three rollers respectively, and the speed reducer gears have independent lubricating and running spaces, so that the noise is greatly reduced, and the running environment of the machine is improved. Meanwhile, the degree of freedom of the roller can be increased, and the relative position of the roller can be adjusted.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a three-roller grinds machine with adjustable roller swing, includes slow roller (1), well roller (2) and fast roller (3), its characterized in that: the slow rollers (1), the middle rollers (2) and the fast rollers (3) are arranged in a non-linear mode, and the middle rollers (2) are respectively adjacent to the slow rollers (1) and the fast rollers (3); the slow roll (1) is connected with a slow roll speed reducer (16), the middle roll (2) is connected with a middle roll speed reducer (17), and the fast roll (3) is connected with a fast roll speed reducer (18); slow roller bearing frame (4), well roller bearing frame (5), fast roller bearing frame (6) are connected to frame (15) through locating pin (7) respectively, and well roller (2) are still fixed in frame (15) through tightly deciding bolt (8), slow roller (1) and fast roller (3) are connected with adjusting device respectively, adjusting device adjusts respectively slow roller (1) and fast roller (3) are around corresponding locating pin (7) swing.

2. The three-roller grinding machine with adjustable roller swing according to claim 1, characterized in that: the adjusting device comprises: the device comprises a screw rod (9), an adjusting nut (10), a universal joint (11), an adjusting rod (12), a locking device (13) and a hand wheel (14); the slow roll bearing seat (4) and the fast roll bearing seat (6) are respectively connected with an adjusting nut (10); the adjusting nut (10) is connected with the middle roller bearing seat (5) through a screw rod (9) and is connected with one end of an adjusting rod (12) through a universal joint (11); the other end of the adjusting rod (12) is connected with a hand wheel (14), and the adjusting rod (12) is locked and fixed on the frame (15) by a locking device (13).

3. The three-roll grinder with adjustable roller swing according to claim 1 or 2, characterized in that: the slow roller speed reducer (16), the middle roller speed reducer (17) and the fast roller speed reducer (18) are respectively connected with three motors (19).