CN220362682U

CN220362682U - Granulator clearance adjustment device

Info

Publication number: CN220362682U
Application number: CN202321500616.6U
Authority: CN
Inventors: 周葵; 熊富强; 李丰; 卿山勇; 赵冬魁
Original assignee: Truking Technology Ltd
Current assignee: Truking Technology Ltd
Priority date: 2023-06-13
Filing date: 2023-06-13
Publication date: 2024-01-19
Anticipated expiration: 2033-06-13

Abstract

The utility model discloses a clearance adjusting device of a granulator, which comprises a granulating cutter and a net rack arranged in a machine case, wherein an adjusting hole is formed in the net rack, an eccentric rod for adjusting the clearance between the net rack and the granulating cutter is arranged in the adjusting hole, the eccentric rod is connected with a worm and gear mechanism, a knob and a dial are arranged on a worm of the worm and gear mechanism and are rotationally connected with each other, the dial and the knob are both arranged on the outer side of the machine case, a guide groove is formed in the net rack, and a guide rod is arranged in the guide groove in a sliding manner. Compared with the prior art, the rotary table disclosed by the utility model drives the eccentric rod to rotate through the knob, so that the net rack is driven to slide along the guide rod, and the distance between the net rack and the grain sizing knife is adjusted. The distance that makes the rack remove for the whole grain sword through the slip mode is unanimous, has ensured the whole grain effect of whole grain sword. By setting the dial, the corresponding relation between the rotation angle and the whole grain gap is established, and the online adjustment of the whole grain gap is realized.

Description

Granulator clearance adjustment device

Technical Field

The utility model relates to the technical field of dry-method granulators, in particular to a granulator gap adjusting device.

Background

The gap between the sizing screen and the sizing knife of the dry granulator is often required to be adjusted according to actual needs. The common adjusting mode of the products on the market at present is to disassemble the front panel of the front cover door, and manually adjust the eccentric rod by using a tool, so that the screen frame generates translation to achieve the aim of adjusting the whole grain gap. Recently, a novel adjusting mode appears in a high-airtight dry-method granulator, namely one end of a steering speed change mechanism is connected with an eccentric rod, and the other end of the steering speed change mechanism is connected with a knob, so that the adjusting gap can be adjusted without disassembling a front cover door. For example, the patent with publication number CN214915826U discloses a whole grain screen cloth gap adjusting device in dry granulator production process, including frame, whole grain sword and the screen assembly in whole grain sword outside, the screen assembly includes U type screen cloth and is used for installing the bracket of screen cloth, is equipped with the production clearance between U type screen cloth medial surface and the whole grain sword, and bracket one side is connected with the frame through the guiding axle, and the bracket opposite side is equipped with the regulation hole, has inserted the one end of eccentric shaft in the regulation hole, and the eccentric shaft other end is connected with reversing mechanism's output, and reversing mechanism's input is connected external regulating hand wheel. The U-shaped screen is driven by the eccentric shaft to rotate around the guide shaft, so that the gap between the U-shaped screen and the granule shaping cutter is adjusted, however, when the U-shaped screen rotates around the guide shaft, the rotation amplitude of one side of the U-shaped screen, which is close to the guide shaft, is small, and the rotation amplitude of one side, which is far away from the guide shaft, of the U-shaped screen is large, so that the gap between the U-shaped screen and the granule shaping cutter is uneven. Secondly, the adjusting method cannot read the whole particle gap value, belongs to blind adjustment, and cannot realize online accurate adjustment of the machine.

Disclosure of Invention

The utility model provides a clearance adjusting device of a granulator, which is used for solving the problems that the distance adjustment between a U-shaped screen and a granule finishing cutter in the prior art is uneven and the granule finishing clearance cannot be accurately adjusted on line.

The utility model provides a clearance adjusting device of a granulator, which comprises a granulating cutter and a net rack arranged in a machine case, wherein an adjusting hole is formed in the net rack, an eccentric rod for adjusting the clearance between the net rack and the granulating cutter is arranged in the adjusting hole, the eccentric rod is connected with a worm and gear mechanism, a knob and a dial are arranged on a worm of the worm and gear mechanism and are rotationally connected, the dial and the knob are both arranged on the outer side of the machine case, a guide groove is formed in the net rack, and a guide rod is arranged in the guide groove in a sliding manner.

Preferably, the knob is provided with a score line matched with the scale of the dial,

preferably, the number of the guide grooves is two, and the adjusting hole is positioned between the two guide grooves.

Preferably, the worm wheel and worm mechanism further comprises a box body, the worm is connected with the box body through a ball bearing, and the worm wheel of the worm wheel and worm mechanism is connected with the box body through the ball bearing.

Preferably, the ball bearing is fixed on the box body through a bearing seat, and an oil seal is arranged in the bearing seat at the turbine.

Preferably, one end of the net frame is provided with a limit groove matched with the screen, and the other end of the net frame is provided with a fastener for fixing the screen.

Preferably, the device further comprises a handle, wherein the handle is fixed with the worm through a connecting sleeve, and one end, far away from the worm, of the handle is fixed with the knob.

Preferably, the eccentric rod passes through the turbine and is connected with a fixing plate, and the fixing plate fixes the eccentric rod on the turbine through a screw.

Preferably, a sealing ring is arranged between the bearing seat at the fixing plate and the box body.

Preferably, a cover plate is arranged at the top end of the box body.

Compared with the prior art, the worm wheel and worm mechanism drives the worm to rotate through the knob, the worm drives the worm wheel to rotate so as to drive the eccentric rod to rotate, and the eccentric rod rotates to drive the net rack to slide along the guide rod so as to adjust the distance between the net rack and the grain sizing knife. The distance that makes the rack remove for the whole grain sword through the slip mode is unanimous, does not have the near problem of the long side adjustment of rack one side adjustment to the whole grain effect of whole grain sword has been ensured. By setting the dial, the corresponding relation between the rotation angle and the whole grain gap is established. And then according to the corresponding relation, the knob is rotated for a certain angle to obtain the corresponding granule trimming gap, so that the online adjustment of the granule trimming gap is realized.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of the present utility model on a granulator;

FIG. 2 is a schematic view of another view of FIG. 1;

FIG. 3 is a schematic diagram of the structure of the present utility model;

FIG. 4 is a schematic view of a portion of the structure of the present utility model;

FIG. 5 is a schematic cross-sectional view of the worm gear mechanism of the present utility model;

fig. 6 is a schematic cross-sectional view of another worm gear mechanism of the present utility model.

Reference numerals:

1. the tool comprises a case, 2, a grain sizing tool, 3, a net rack, 4, an eccentric rod, 5, a turbine worm mechanism, 6, a knob, 7, a dial, 8, a guide rod, 9, a fastener, 31, a regulating hole, 32, a guide groove, 51, a case, 52, a worm, 53, a turbine, 54, a ball bearing, 55, a bearing seat, 56, an oil seal, 57, a handle, 58, a connecting sleeve, 61, a score line, 59, a fixing plate, 100, a sealing ring, 200, a cover plate, 300, a limiting groove and 400 and a clamping groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, this embodiment provides a whole grain clearance adjusting device, including setting up whole grain sword 2 and rack 3 in quick-witted case 1, open on the rack 3 has regulation hole 31, be equipped with the eccentric rod 4 in the regulation hole 31 that adjusts the clearance of rack 3 and whole grain sword 2, eccentric rod 4 is connected with worm gear mechanism 5, be equipped with knob 6 and calibrated scale 7 on worm 52 of worm gear mechanism 5, calibrated scale 7 and worm 52 rotate to be connected, calibrated scale 7 is fixed on quick-witted case 1, calibrated scale 7 and knob 6 all locate the outside of quick-witted case 1, open on the rack 3 has guide way 32, the guide way 32 is provided with guide bar 8 in the slip. The worm wheel and worm mechanism 5 drives the worm 52 to rotate through the knob 6, so that the eccentric rod 4 is driven to rotate, the eccentric rod 4 rotates to drive the net rack 3 to slide along the guide rod 8, and the distance between the net rack 3 and the granule finishing cutter 2 is adjusted. The distance that the net rack 3 moves relative to the grain sizing knife 2 is consistent in a sliding mode, and the problem that one side of the net rack 3 is adjusted far and the other side of the net rack is adjusted near is avoided, so that the grain sizing effect of the grain sizing knife 2 is good. By setting the dial 7, a correspondence between the rotation angle and the whole grain gap is established. Then according to the corresponding relation, the knob 6 is rotated for a certain angle, and then the corresponding granule finishing gap can be obtained. One specific structure of the guide bar 8: the cross section of the guide rod 8 is rectangular.

The knob 6 is provided with a scribing line 61 matched with the scale of the dial 7, and the scribing line 61 is arranged, so that the knob 6 can be conveniently and accurately rotated to a preset angle.

As another implementation of the utility model: the guide grooves 32 and the guide rods 8 are two, and the adjusting hole 31 is located between the two guide grooves 32, and at this time, the cross section of the guide rod 8 may be circular.

As another implementation of the utility model: the dial 7 is rotatably provided on the casing 1. The knob 6 is rotated, the gap delta between the sizing knife 2 and the net frame 3 is manually measured, and when the gap delta is minimum, the dial 7 is rotated so that the 0 position on the dial 7 is aligned with the knob 6 scribe line 61 at that time, and the dial 7 is fixed. This structure sets up, and the correspondence of convenient follow-up rotation angle through calibrated scale 7 record knob 6 and whole grain clearance delta.

As another implementation of the utility model: referring to fig. 5 and 6, the worm gear and worm mechanism 5 further includes a housing 51, a worm 52 is connected to the housing 51 through a ball bearing 54, a worm wheel 53 of the worm gear and worm mechanism 5 is connected to the housing 51 through the ball bearing 54, the worm 52 is engaged with the worm wheel 53, the worm wheel 53 is fixedly connected to the eccentric rod 4, and the worm wheel 52 is rotated to thereby drive the eccentric rod 4 to rotate. The ball bearing 54 is adopted, so that the friction coefficient is small and the efficiency is high.

Specifically, the ball bearing 54 is fixed to the housing 51 through a bearing block 55.

As another implementation of the utility model: an oil seal 56 is provided in a bearing housing 55 at the turbine 53 to maintain the working performance of the bearing.

As another implementation of the utility model: one end of the net rack 1 is provided with a limit groove 300 matched with the screen, the other end of the net rack is provided with a fastener 9 for fixing the screen, the net rack 1 is U-shaped, the fastener 9 comprises a bolt and two clamping plates, a clamping groove 400 is formed between the two clamping plates, the clamping plates are in threaded connection with the bolt, two ends of the screen respectively extend into the limit groove 300 and the clamping groove 400, and the screen is fixed between the two clamping plates through the bolt. The net rack 1 has long service life, the screen is easy to wear and needs to be replaced frequently, the screen is pushed in along the limit groove 300 and the clamping groove 400, and then the end of the screen is fixed in the clamping groove 400 through bolts. The screen cloth is convenient to install and replace by the aid of the structural design.

The embodiment further comprises a handle 57, the handle 57 is fixed to the worm 52 by a connecting sleeve 58, and one end of the handle 57 away from the worm 52 is fixed to the knob 6.

As another implementation of the utility model: the eccentric rod 4 passes through the turbine 53 to be connected with the fixing plate 59, the eccentric rod 4 is connected with the turbine 53 through a pin, the fixing plate 59 fixes the eccentric rod 4 on the turbine 53 through a screw, and the other end of the eccentric rod 4 is installed in the hole of the front panel.

As another implementation of the utility model: a cover plate 200 is provided at the top end of the case 51.

As another implementation of the utility model: a sealing ring 100 is provided between the bearing housing 55 and the case 51 at the fixing plate 59 to improve sealability of the bearing housing 55.

During assembly, the eccentric rod 4 and the guide rod 8 are respectively assembled in the fixing holes of the front panel, and the net rack 3 passes through the eccentric rod 4 and the guide rod 8 to be attached to the front plane of the front panel. The worm wheel 53 of the worm wheel and worm mechanism 5 is fitted over the eccentric rod 4 from the rear surface of the front panel, and then the fixing plate 59 is locked by screws. The case 51 is fixed to the front panel by bolts.

The knob 6 is rotated, the gap δ between the sizing knife 2 and the net frame 3 is manually measured, and when δ is minimum, the dial 7 is rotated so that the 0 position on the dial 7 is aligned with the knob 6 scribe line 61 at that time, and the dial 7 is fixed. The knob 6 is continuously rotated while the full grain gap delta is manually measured, the position of the knob 6 score line 61 is recorded when delta is maximum, and the delta value measured at this time is marked at the position of the dial 7 corresponding to the knob 6 score line 61, where the maximum full grain gap is, for example, 1mm, and 1mm is marked at the position on the dial 7 indicated by the knob 6 score line 61. Similarly, other values of the whole grain gap (typically at intervals of 0.2 mm) are marked on the dial 7, for example, the finishing gap is 0.6mm, and then 0.6mm is marked on the dial 7 at the position indicated by the scribe line 61 of the knob 6. So far, the scale value of the dial 7 of the knob 6 has been marked, and the dial 7 has also been fixed. During operation of the machine, the corresponding whole grain gap delta can be obtained by only rotating the knob 6 to the corresponding scale.

According to the worm and gear mechanism 5 disclosed by the utility model, the worm 52 is driven to rotate through the knob 6, the worm 52 drives the worm wheel 53 to rotate so as to drive the eccentric rod 4 to rotate, and the eccentric rod 4 rotates so as to drive the net rack 3 to slide along the guide rod 8 so as to adjust the distance between the net rack 3 and the grain sizing knife 2. The distance that the net rack 3 moves relative to the grain sizing knife 2 is consistent in a sliding mode, and the problem that one side of the net rack 3 is adjusted far and the other side of the net rack is adjusted near is avoided, so that the grain sizing effect of the grain sizing knife 2 is good. According to the utility model, the corresponding relation between the rotation angle of the knob 6 and the granule gap is established through the dial 7, and the corresponding granule gap can be obtained by rotating the knob 6 by a preset angle in the running process of the machine, so that the accurate adjustment is realized, and the improvement of the working efficiency is facilitated. The whole structure is simple, and the assembly is easy. Thirdly, the precision of adjusting the whole grain gap is high and can reach 0.1mm.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. The utility model provides a granulator clearance adjustment device, its characterized in that, including setting up whole grain sword (2) and rack (3) in quick-witted case (1), it has regulation hole (31) to open on rack (3), be equipped with eccentric rod (4) in regulation hole (31) of adjusting the clearance of rack (3) and whole grain sword (2), eccentric rod (4) are connected with worm gear (5), be equipped with knob (6) and calibrated scale (7) on worm (52) of worm gear (5), calibrated scale (7) and worm (52) rotate to be connected, the outside of quick-witted case (1) is all located to calibrated scale (7) and knob (6), it has guide way (32) to open on rack (3), the slip is provided with guide way (8) in guide way (32).

2. Granulator gap adjustment device according to claim 1, characterized in that the knob (6) is provided with score lines (61) which cooperate with the graduations of the dial (7).

3. The granulator gap adjustment device according to claim 1, characterized in that the number of guide grooves (32) is two, the adjustment aperture (31) being located between the two guide grooves (32).

4. The granulator gap adjustment device according to claim 1, characterized in that the worm gear (5) further comprises a housing (51), the worm (52) is connected to the housing (51) by means of ball bearings (54), and the worm wheel (53) of the worm gear (5) is connected to the housing (51) by means of ball bearings (54).

5. The clearance adjusting device of a granulator according to claim 4, characterized in that the ball bearing (54) is fixed on the box (51) by a bearing seat (55), and an oil seal (56) is arranged in the bearing seat (55) at the turbine (53).

6. The clearance adjusting device of a granulator according to claim 1, wherein one end of the net frame is formed with a limit groove (300) adapted to the screen, and the other end is provided with a fastener (9) for fixing the screen.

7. The granulator gap adjustment device according to claim 1, characterized by further comprising a handle (57), the handle (57) being fixed to the worm (52) by means of a connecting sleeve (58), the end of the handle (57) remote from the worm (52) being fixed to the knob (6).

8. The granulator gap adjustment device according to claim 5, characterized in that the eccentric rod (4) is connected to a fixing plate (59) through the turbine (53), the fixing plate (59) fixing the eccentric rod (4) to the turbine (53) by means of screws.

9. The granulator gap adjustment device according to claim 8, characterized in that a sealing ring (100) is provided between the bearing housing (55) at the fixing plate (59) and the housing (51).

10. The granulator gap adjustment device according to claim 4, characterized in that the top of the box (51) is provided with a cover plate (200).