CN220384271U

CN220384271U - Adjusting device for tooth gaps between paper cutting drum wheel and cutter roller transmission gear of cigarette making machine

Info

Publication number: CN220384271U
Application number: CN202321835956.4U
Authority: CN
Inventors: 李俊; 杨雪蓉; 周恒继; 杨皓; 聂超; 李晓毅; 陈生平; 陶文; 彭辉; 林斌; 姚劲; 陈波; 李敏; 王鹏
Original assignee: Hongta Tobacco Group Co Ltd
Current assignee: Hongta Tobacco Group Co Ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-26
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a device for adjusting the tooth gap between a paper cutting drum and a cutter roller transmission gear of a cigarette making machine, which comprises a tooth gap adjusting and dividing device, an indexing center device, a measuring disc and a dial indicator, wherein the tooth gap adjusting and dividing device is arranged on a transmission shaft of the paper cutting drum, the indexing center device is arranged on the tooth gap adjusting and dividing device, the measuring disc is arranged on the transmission shaft of the cutter roller, and the dial indicator and the measuring disc are matched for use. The gear gap adjusting and dividing device consists of a sleeve and an dividing outer ring, wherein the sleeve is fixed on the gear box body, and the dividing outer ring is rotatably arranged at the end part of the sleeve. The first indexing grooves are arranged on the outer wall of the indexing outer ring and correspond to the second indexing grooves on the outer wall of the measuring disc one by one. The device can be used for rapidly and accurately adjusting the backlash between two gears, ensures that the adjusted backlash meets the running requirement of equipment, and improves the backlash adjusting efficiency and accuracy.

Description

Adjusting device for tooth gaps between paper cutting drum wheel and cutter roller transmission gear of cigarette making machine

Technical Field

The utility model belongs to the technical field of cigarette equipment, and relates to a device for adjusting tooth gaps between a paper cutting drum wheel and a cutter roller transmission gear of a cigarette making machine.

Background

At present, the PROTOS series cigarette making machines are all shear type cut tipping papers, the tipping paper cutting drum wheels and the cutter rollers synchronously rotate in opposite directions and mutually cooperate to form a shearing effect, the tipping papers coated with glue are cut to form tipping paper sheets with equal width, and the tipping paper sheets are prepared for the tipping procedures of cigarettes and filter tips. In order to achieve synchronous matching of the paper cutting drum and the cutter roller to form an accurate shearing action, gear transmission is adopted, and tooth gaps between two transmission gears are required to be adjusted to be minimum, so that accurate matching of the paper cutting drum and the cutter roller is ensured, and the cut tipping paper sheet meets the process standard required by production.

Adjusting the backlash of the paper cutting drum and cutter roll drive gear is a heart-resistant and time-consuming process. In order to ensure that the tooth gaps of the gear teeth of the two gears at the meshing positions after adjustment are uniform and meet the standard, different positions are required to be selected for adjustment, the adjusted tooth gaps are ensured to be minimum in an error range, and the tooth gaps at the different positions are basically the same.

In the current backlash adjustment process, maintenance experience is used, different points are marked for repeated adjustment, and the backlash is continuously repaired until the backlash is less than or equal to 0.04mm, so that the time consumption is extremely long. For repairmen with less maintenance experience, the error of the adjustment result is large due to uneven marking points, and finally, the condition that tipping paper is cut continuously or the cut difference is large during operation and even the blade on the knife roll is damaged is caused seriously.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide the adjusting device for the backlash of the paper cutting drum and the cutter roller transmission gear of the cigarette making machine, which can be used for adjusting the backlash between two gears rapidly and accurately, ensuring that the adjusted backlash meets the running requirement of equipment and improving the backlash adjusting efficiency and accuracy.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a cigarette machine cuts paper drum and cutter roller drive gear tooth clearance's adjusting device, includes tooth clearance adjustment indexing means, graduation top device, measuring dish and percentage table, and tooth clearance adjustment indexing means installs on the transmission shaft of cutting paper drum, and graduation top device installs on tooth clearance adjustment indexing means, and measuring dish installs on the transmission shaft of cutter roller, and percentage table and measuring dish cooperation are used. The gear gap adjusting and dividing device consists of a sleeve and an dividing outer ring, wherein the sleeve is fixed on the gear box body, and the dividing outer ring is rotatably arranged at the end part of the sleeve. The first indexing grooves are arranged on the outer wall of the indexing outer ring and correspond to the second indexing grooves on the outer wall of the measuring disc one by one.

Preferably, the sleeve and the indexing outer ring are mounted through a deep groove ball bearing, the inner ring of the deep groove ball bearing is in interference fit with the end step of the sleeve, and the outer ring of the deep groove ball bearing is arranged in the indexing outer ring and is in interference fit with the indexing outer ring. The inner ring and the sleeve of the deep groove ball bearing are fixed, and the outer ring and the indexing outer ring of the deep groove ball bearing can synchronously rotate.

Preferably, the indexing outer ring is fixed with a transmission shaft of the paper cutting drum through a locking screw, and a handle is arranged on the outer side of the indexing outer ring. The handle is convenient for rotating the indexing outer ring, and the indexing outer ring drives the transmission shaft of the paper cutting drum wheel to rotate, so that the corresponding gear is rotated.

Preferably, the indexing center device is composed of a base, a limit mounting sleeve and a movable assembly, wherein the base is of a Z-shaped structure and is fixed on the sleeve through a screw, the limit mounting sleeve is of a hollow cylinder structure and welded on one side of the upper part of the base, the movable assembly is mounted on the limit mounting sleeve in a matched manner, the variable acting force can be generated on the indexing outer ring, and the indexing accuracy and stability are improved when the indexing outer ring and the transmission shaft of the paper cutting drum are rotated.

Preferably, the movable assembly is composed of a positioning screw, a spring and an indexing center, wherein the positioning screw, the spring and the indexing center are positioned in the limiting mounting sleeve and are sequentially mounted from top to bottom, the bottom of the indexing center extends out from the bottom end of the limiting mounting sleeve, and the movable assembly can move up and down under the action of the spring and is in contact with the indexing outer ring.

Preferably, the indexing center is provided with a through hole groove, two bolt holes are arranged at the lower part of the limit mounting sleeve, long bolts penetrate through the through hole groove and the two bolt holes and are matched with nuts, and the indexing center is mounted on the limit mounting sleeve. The through hole groove is used for realizing the up-and-down movement of the indexing center, and the long bolt prevents the indexing center from being separated from the limiting mounting sleeve.

Preferably, the upper inner wall of the limit mounting sleeve is provided with threads, and the limit mounting sleeve is adapted to the positioning screw which is screwed into the limit mounting sleeve through the threads. The pressure exerted by the spring on the indexing center is adjusted by adjusting the position depth of the positioning screw in the limiting mounting sleeve.

Preferably, the first indexing groove and the second indexing groove are respectively provided with eight indexing grooves, and the eight indexing grooves are respectively and uniformly arranged along the outer wall of the indexing outer ring and the outer wall of the measuring disc.

Preferably, the middle part of the measuring disc is clamped at the end part of the transmission shaft of the cutter roller and is fixed by three screws.

When the adjusting device for the tooth gaps of the paper cutting drum and the cutter roller transmission gear of the cigarette making machine provided by the utility model is used, the tooth gap adjusting dividing device, the measuring disc and the dial indicator are matched, and under the action of the dividing center device, the maintenance work of the tooth gap adjustment is quicker and more accurate, the situations of uneven division caused by insufficient experience or uneven tooth gap adjustment caused by inaccurate searching of an adjusting point can be effectively reduced, meanwhile, the error fluctuation can be reduced, the maintenance frequency and the use cost of the paper cutting drum and the cutter roller assembly are reduced, and the service life of an assembly part is shortened.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an assembled view of the backlash adjustment indexing device and the indexing center device according to the present utility model;

FIG. 3 is an exploded view of the backlash adjustment indexing device of the present utility model;

FIG. 4 is an exploded view of the indexing tip device of the present utility model;

fig. 5 is a schematic view of the structure of the measuring disc in the present utility model.

Fig. 6 is a schematic structural diagram of an auxiliary tool for adjusting backlash.

Description of main reference numerals:

1 gear box body

2 drive shaft of paper cutting drum

3 transmission shaft of cutter roller

4-tooth gap adjustment and indexing device

41 sleeve; 411 steps; 42 indexing an outer ring; 421 mounting slots; 422 threaded through hole; 423 first indexing grooves; 43 deep groove ball bearings; 44 locking screws; 45 handle

5-division center device

A 51 base; 52 limiting and installing sleeve; 521 bolt holes; 53 a movable assembly; 531 set screw; 532 springs; 533 dividing center; 5331 a through-hole slot; 54 screws; 55 long bolts; 56 nut

6 measuring disk

61 a second indexing groove; 62 mounting round hole

Detailed Description

The technical scheme of the embodiment of the adjusting device for the tooth gaps of the paper cutting drum and the cutter roller transmission gear of the cigarette making machine provided by the utility model is clearly and completely described below by combining the drawings in the embodiment of the utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1, the gear housing 1 is of a conventional structure, and internally provided with a paper cutting drum driving wheel and a cutter roller driving gear, and externally provided with a paper cutting drum driving shaft 2 and a cutter roller driving shaft 3. The utility model provides a device for adjusting the tooth gap between a paper cutting drum wheel and a cutter roller transmission gear of a cigarette making machine, which comprises a tooth gap adjusting and dividing device 4, an dividing center device 5, a measuring disc 6 and a dial indicator (not shown). The tooth gap adjusting and dividing device 4 is arranged on the transmission shaft 2 of the paper cutting drum, the dividing center device 5 is arranged on the tooth gap adjusting and dividing device 4, the measuring disc 6 is arranged on the transmission shaft 3 of the cutter roller, and the dial indicator and the measuring disc 6 are matched.

As shown in fig. 1, 2 and 3, the backlash adjustment indexing device 4 is composed of a sleeve 41 and an indexing outer ring 42, the inner diameter of the sleeve 41 is adapted to the outer diameter of the transmission shaft 2 of the paper cutting drum, the sleeve is fitted over the transmission shaft 2 of the paper cutting drum, and the end of the sleeve 41 is fixed to the gear housing 1. The sleeve 41 and the reference circle outer ring 42 are mounted through a deep groove ball bearing 43, a step 411 is arranged at the end part of the sleeve 41, the inner ring of the deep groove ball bearing 43 is sleeved on the step 411 and is in interference fit with the step 411, and the sleeve 41 and the inner ring of the deep groove ball bearing 43 are fixed. The inside one side of the reference circle outer ring 42 is provided with a mounting groove 421, the outer ring of the deep groove ball bearing 43 is arranged in the mounting groove 421, the deep groove ball bearing 43 is in interference fit with the reference circle outer ring 42, and the outer ring of the deep groove ball bearing 43 can synchronously rotate along with the reference circle outer ring 42.

The indexing outer ring 42 is provided with a threaded through hole 422, and the locking screw 44 penetrates through the threaded through hole 422 and is screwed into the transmission shaft 2 of the paper cutting drum, so that the indexing outer ring 42 is fixed with the transmission shaft 2 of the paper cutting drum, and the indexing outer ring 42 can drive the transmission shaft 2 of the paper cutting drum to rotate. To facilitate rotation of the indexing outer race 42, a handle 45 is provided on the outside of the indexing outer race 42, the handle 45 being secured to the indexing outer race 42 by threads or by welding. The outer wall of the indexing outer ring 42 is provided with a plurality of first indexing grooves 423, and in this embodiment, eight first indexing grooves 423 are provided and are uniformly arranged along the outer wall of the indexing outer ring 42.

As shown in fig. 1, 2 and 4, the indexing center device 5 is composed of a base 51, a limit mounting sleeve 52 and a movable component 53. The base 51 has a "Z" -shaped structure, or may be provided in an "L" -shaped structure, and is fixed to the sleeve 41 by two screws 54. The bottom surface of the base 41 is arc-shaped and is attached to the outer wall of the sleeve 41, so that the indexing center device 5 is fixed more firmly. The limit mounting sleeve 52 is of a hollow cylinder structure and is welded on one side of the upper part of the base 51 or integrally formed with the base 51 through a die.

The movable component 53 is composed of a positioning screw 531, a spring 532 and an indexing tip 533, the large end diameter of the indexing tip 533 is matched with the inner diameter of the limit mounting sleeve 52, the small end diameter of the indexing tip 533 is matched with the opening diameter of the bottom of the limit mounting sleeve 52, and the bottom of the indexing tip 533 extends out from the bottom end of the limit mounting sleeve 52. The indexing tip 533 is provided with a through hole slot 5331, two bolt holes 521 are arranged at the lower part of the limit mounting sleeve 52, and a long bolt 55 passes through the through hole slot 5331 and the two bolt holes 521 and is matched with the screw cap 56, so that the indexing tip 533 is mounted on the limit mounting sleeve 52. The indexing tip 533 after the installation is contacted with the indexing outer ring 42, and the tip part of the indexing tip 533 is adapted to the shape of the first indexing groove 423.

The set screw 531 and the spring 532 are both positioned in the limit mounting sleeve 52, and threads are arranged on the inner wall of the upper part of the limit mounting sleeve 52 and are matched with the set screw 531, and the set screw 531 is screwed into the limit mounting sleeve 52 through the threads. The spring 532 is located between the positioning screw 531 and the indexing tip 533, and generates a force on the indexing tip 533, so as to more accurately index and position the indexing outer ring 42.

As shown in fig. 1, 2 and 5, the outer wall of the measuring disc 6 is provided with a plurality of second indexing grooves 61, the second indexing grooves 61 are "U" -shaped grooves, the second indexing grooves 61 are in one-to-one correspondence with the first indexing grooves 423, and in this embodiment, eight second indexing grooves 61 are also provided and are uniformly arranged along the outer wall of the measuring disc 6. The middle part of the measuring disc 6 is provided with a mounting round hole 62, and the measuring disc 6 is clamped at the end part of the transmission shaft 3 of the cutter roller through the mounting round hole 62 and is fixed through three screws, so that the measuring disc 6 can rotate along with the transmission shaft 3 of the cutter roller.

By adopting the adjusting device for the tooth gaps between the paper cutting drum and the cutter roller transmission gear of the cigarette making machine, the handle 45 is rotated to enable the indexing outer ring 42 to drive the transmission shaft 2 of the paper cutting drum and the corresponding gear to rotate for a certain angle, in the process, the indexing center 533 moves to one of the first indexing grooves 423 from the surface of the indexing outer ring 42 under the action of the spring 532, so that one-time accurate positioning is realized. Then, an auxiliary tool for adjusting the backlash (shown in fig. 6) is used, and the auxiliary tool is placed in an adjusting hole formed in a gear corresponding to the transmission shaft 3 of the cutter roller, and the gear is slightly rotated by using the auxiliary tool to adjust the backlash between two teeth. At the same time, the backlash size adjusted by using a dial indicator is measured and corrected at the second indexing groove 61 on the measuring disc 6, thereby completing the backlash adjustment for one position. The handle 45 is turned again to place the indexing tip 533 into the next first indexing recess 423, the backlash adjustment for the second position is completed as described above, and so on.

It should be noted that: the above description is only of the preferred embodiments of the present utility model and should not be construed as limiting the scope of the utility model at a time. Any modification, equivalent replacement, improvement, etc. which are within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The device is characterized by comprising a gear gap adjusting and dividing device, an indexing center device, a measuring disc and a dial indicator, wherein the gear gap adjusting and dividing device is arranged on a transmission shaft of the paper cutting drum, the indexing center device is arranged on the gear gap adjusting and dividing device, the measuring disc is arranged on a transmission shaft of the cutter roller, the dial indicator and the measuring disc are matched for use,

the gear gap adjusting and dividing device consists of a sleeve and an dividing outer ring, the sleeve is fixed on the gear box body, the dividing outer ring is rotatably arranged at the end part of the sleeve,

the first indexing grooves are arranged on the outer wall of the indexing outer ring and the second indexing grooves are arranged on the outer wall of the measuring disc in one-to-one correspondence.

2. The device for adjusting the tooth gap between the paper cutting drum wheel of the cigarette making machine and the transmission gear of the cutter roller according to claim 1, wherein the sleeve and the indexing outer ring are installed through a deep groove ball bearing, the inner ring of the deep groove ball bearing is in interference fit with the end step of the sleeve, and the outer ring of the deep groove ball bearing is arranged in the indexing outer ring and is in interference fit with the inner ring of the indexing outer ring.

3. The device for adjusting the tooth gap between the paper cutting drum and the cutter roller transmission gear of the cigarette making machine according to claim 1, wherein the indexing outer ring is fixed with the transmission shaft of the paper cutting drum through a locking screw, and a handle is arranged on the outer side of the indexing outer ring.

4. The device for adjusting the tooth gap between the paper cutting drum wheel of the cigarette making machine and the transmission gear of the cutter roller according to claim 1, wherein the indexing center device is composed of a base, a limit mounting sleeve and a movable component, the base is of a Z-shaped structure and is fixed on the sleeve through screws, the limit mounting sleeve is of a hollow cylinder structure and is welded on one side of the upper part of the base, and the movable component is mounted on the limit mounting sleeve in a matched manner and can generate variable acting force on the indexing outer ring.

5. The device for adjusting the tooth gap between the paper cutting drum and the cutter roller transmission gear of the cigarette making machine according to claim 4, wherein the movable assembly consists of a positioning screw, a spring and an indexing center, the positioning screw, the spring and the indexing center are arranged in the limiting mounting sleeve, the positioning screw, the spring and the indexing center are sequentially arranged from top to bottom, the bottom of the indexing center extends out from the bottom end of the limiting mounting sleeve, and the movable assembly can move up and down under the action of the spring and is contacted with the indexing outer ring.

6. The device for adjusting the tooth gap between the paper cutting drum and the cutter roller transmission gear of the cigarette making machine according to claim 5, wherein the indexing center is provided with a through hole groove, two bolt holes are arranged at the lower part of the limit mounting sleeve, and long bolts penetrate through the through hole groove and the two bolt holes and are matched with nuts, so that the indexing center is mounted on the limit mounting sleeve.

7. The device for adjusting the tooth gap between the paper cutting drum and the cutter roller transmission gear of the cigarette making machine according to claim 5, wherein the upper inner wall of the limit mounting sleeve is provided with threads, and the locating screw is adapted to the locating screw and screwed into the limit mounting sleeve through the threads.

8. The device for adjusting the tooth gaps between the paper cutting drum and the cutter roller transmission gear of the cigarette making machine according to claim 1, wherein eight first indexing grooves and eight second indexing grooves are uniformly formed along the outer wall of the indexing outer ring and the outer wall of the measuring disc respectively.

9. The device for adjusting the tooth gap between the paper cutting drum and the cutter roller transmission gear of the cigarette making machine according to claim 1, wherein the middle part of the measuring disc is clamped at the end part of the transmission shaft of the cutter roller and is fixed by three screws.