Calender convenient for adjusting roller gap

By designing a calender including a calender assembly and an adjustment assembly, the problems of inconvenient operation and low positioning accuracy of adjustment roller gaps in the prior art are solved, and convenient roller gap adjustment and high-precision relative positioning are achieved.

CN222610212UActive Publication Date: 2025-03-14HEBEI YUANKUN PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202420987357.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-03-14
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

The existing calenders are inconvenient to adjust the roller gap, and the relative positioning accuracy between the rollers after adjustment is not high, making it difficult to adapt to the calendering needs of different products.

Method used

A calender is designed including a calender assembly and an adjustment assembly. The calender assembly consists of a support frame, a positioning block, a support roller, a press roller and an adjustment assembly. The adjustment assembly drives the transmission shaft and reducer to rotate through the rotating driving part, drives the helical gear and the hoisting shaft to rotate, and then moves the extension block and the positioning block to adjust the height of the press roller.

Benefits of technology

The operation of easy adjustment of roller gap is realized, the adjustment accuracy is improved, the requirements of different calendering places are adapted, and the efficiency of adjustment at the roller is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of calendaring machines, in particular to a calendaring machine convenient for adjusting a roller gap, which comprises a calendaring assembly and an adjusting assembly, the calendaring assembly comprises a support frame, a positioning block II, a support roller, a compression roller and a positioning block I, the adjusting assembly comprises a first transmission shaft, an extension block, an adapter ring, a hoisting shaft, a first bevel gear, a second bevel gear, a second transmission shaft, a speed reducer and a rotary driving part, the extension block is connected to the first positioning block, the hoisting shaft is rotationally connected with the supporting frame, a through hole corresponding to the hoisting shaft is formed in the extension block, and the output end of the rotary driving part is connected with the first transmission shaft. The transmission shaft I is connected with the input end of the speed reducer, the output end of the speed reducer is connected with a transmission shaft II, the transmission shaft II is connected with a plurality of helical gears II, the hoisting shaft is connected with a plurality of helical gears I, and the helical gears I are meshed with the helical gears II. And the adjustment precision is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of calenders, in particular to a calender which is convenient for adjusting the gap between rollers. Background Art

[0002] The calender is an important industrial equipment, which is mainly composed of two or more rollers. Different roller gaps are required for calendering to adapt to different materials. In order to adapt to different calendered products, the spacing of the rollers at the calendering needs to be adjusted. The existing devices for adjusting the spacing often adjust each roller separately, which is inconvenient to operate. Moreover, the spacing between the rollers after adjustment is not conducive to the relative positioning accuracy between rollers at different positions, and it is not convenient to adjust the rollers for different products. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a calender that is easy to adjust the roller gap, has the function of adjusting the height of the calendering part, adapts to the needs of different calendering parts, is easy to operate, and improves the effect of adjustment accuracy.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a calender for adjusting the roller gap conveniently, comprising a calendering assembly and an adjustment assembly for adjusting the roller gap at the calendering location;

[0007] The calendering assembly includes a support frame, a second positioning block, a support roller, a pressure roller and a first positioning block. The support frame is provided with grooves corresponding to the second positioning block and the first positioning block. A plurality of second positioning blocks and a plurality of first positioning blocks are relatively arranged on both sides of the support frame. A plurality of second positioning blocks are rotatably connected with the support roller, and a plurality of first positioning blocks are rotatably connected with the pressure roller.

[0008] The adjustment assembly includes a transmission shaft 1, an extension block, an adapter ring, a lifting shaft, a bevel gear 1, a bevel gear 2, a transmission shaft 2, a reducer and a rotary drive unit. The positioning block 1 is connected to the extension block, and a plurality of adapter rings are installed on the extension block. The lifting shaft and the adapter ring are transmission-connected. The rotation of the lifting shaft can drive the adapter ring to move. The lifting shaft and the support frame are rotationally connected. The extension block is provided with a through hole corresponding to the lifting shaft. A plurality of reducers are installed on both sides of the support frame. The output end of the rotary drive unit is connected to the transmission shaft 1, and the transmission shaft 1 is connected to the input end of the reducer. The output end of the reducer is connected to the transmission shaft 2, and a plurality of bevel gears 2 are connected to the transmission shaft 2. The lifting shaft is connected to a plurality of bevel gears 1, and the bevel gear 1 is meshed with the bevel gear 2.

[0009] Preferably, it also includes an intermediate guide support assembly, which includes a lifter, a positioning plate and rollers. A plurality of lifters are installed on the support frame, and the output end of the lifter is connected to the positioning plate, and a plurality of rollers are rotatably connected to the positioning plate.

[0010] Preferably, the adjustment assembly also includes a seat bearing, a limit nut and a positioning boss. Several seat bearings are installed on the support frame. The lifting shaft passes through the seat bearing. The lifting shaft is provided with a positioning boss. The lifting shaft is connected with a limit nut through a thread. The limit nut and the positioning boss are located on both sides of the seat bearing.

[0011] Preferably, the calendering assembly further comprises a limit plate, and the groove end of the support frame is connected with a plurality of limit plates, and the limit plates can limit the positions of the positioning block two and the positioning block one.

[0012] Preferably, the intermediate guide support assembly further includes guide rails and sliders, a plurality of guide rails are connected to the support frame, a plurality of sliders are slidably connected to the guide rails, and the sliders are connected to the positioning plate.

[0013] Preferably, the intermediate guide support assembly also includes a second bearing seat, the second bearing seat is installed on the positioning plate, and the end of the roller is inserted into the middle bearing hole of the second bearing seat.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a calender that is easy to adjust the roller gap, and has the following beneficial effects:

[0016] The calendering machine, which is convenient for adjusting the roller gap, drives the transmission shaft 1 and the input end of the reducer to rotate through the rotary driving part, thereby effectively driving the output end of the reducer, the transmission shaft 2 and the bevel gear 2 to rotate, the bevel gear 2 is meshed with the bevel gear 1, the bevel gear 1 is connected to the lifting shaft, the lifting shaft is connected to the adapter ring, thereby driving the extension block and the positioning block 1 to move up and down, adjusting the height of the pressing roller, and then adjusting the height of the calendering place, so as to meet the needs of different calendering places, and the rotary driving part drives the reducer to rotate at the same time, which is conducive to driving the lifting shafts at multiple places to rotate at the same time, and conveniently driving the pressing rollers at various places to move at the same time, thereby improving the efficiency of adjusting the pressing rollers, facilitating operation, and improving the accuracy of adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0019] Figure 3 It is a left-side structural schematic diagram of the utility model;

[0020] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-sectional structure at AA in the middle;

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 6 For this utility model Figure 5 Schematic diagram of the local enlarged structure at point A in the middle.

[0023] Markings in the attached drawings: 1. Support frame; 2. Transmission shaft 1; 3. Positioning block 2; 4. Support roller; 5. Pressure roller; 6. Positioning block 1; 7. Extension block; 8. Adapter ring; 9. Lifting shaft; 10. Bearing seat 1; 11. Bevel gear 1; 12. Bevel gear 2; 13. Transmission shaft 2; 14. Reducer; 15. Rotary drive unit; 16. Lifter; 17. Positioning plate; 18. Roller; 19. Guide rail; 20. Slider; 21. Bearing seat 2; 22. Limit plate; 23. Limit nut; 24. Positioning boss. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example:

[0026] See also Figure 1-6 A calendering machine that is easy to adjust the roller gap includes a calendering component and an adjustment component for adjusting the roller gap at the calendering location.

[0027] The calendering assembly includes a support frame 1, a positioning block 2 3, a support roller 4, a pressure roller 5 and a positioning block 1 6. The support frame 1 is provided with grooves corresponding to the positioning block 2 3 and the positioning block 1 6. A plurality of positioning blocks 2 3 and a plurality of positioning blocks 1 6 are relatively arranged on both sides of the support frame 1. The support roller 4 is rotatably connected between the plurality of positioning blocks 2 3, and the pressure roller 5 is rotatably connected between the plurality of positioning blocks 1 6. The support roller 4 and the positioning block 2 3 are preferably rotatably connected via bearings, and the positioning block 1 6 and the pressure roller 5 are preferably rotatably connected via bearings.

[0028] The adjustment assembly includes a transmission shaft 1 2, an extension block 7, an adapter ring 8, a lifting shaft 9, a bevel gear 1 11, a bevel gear 2 12, a transmission shaft 2 13, a reducer 14 and a rotation drive unit 15. The positioning block 1 6 is connected to the extension block 7, and a plurality of adapter rings 8 are installed on the extension block 7. The lifting shaft 9 is connected to the adapter ring 8 by transmission. The rotation of the lifting shaft 9 can drive the adapter ring 8 to move. The lifting shaft 9 is connected to the support frame 1 in rotation. The extension block 7 is provided with a through hole corresponding to the lifting shaft 9. A plurality of reducers 14 are installed on both sides of the support frame 1. The rotation drive unit 15 The output end is connected to a transmission shaft 2, which is connected to the input end of a reducer 14, and the output end of the reducer 14 is connected to a transmission shaft 2 13, on which a plurality of helical gears 2 12 are connected, and on the hoisting shaft 9 a plurality of helical gears 11 are connected, which are meshed with the helical gears 11 and 12, and the hoisting shaft 9 and the adapter ring 8 are preferably connected by threads. As one of the connection methods, the hoisting shaft 9 uses a ball screw or a screw, and the seat bearing 10 uses a ball screw nut or a nut that matches the hoisting shaft 9, and the reducer 14 is preferably A worm gear type reducer is selected, and the rotation driving part 15 is a motor, preferably a motor with a reducer. As the calendering requirement is required, the support rollers 4 at different positions of the support frame 1 can be at different heights to adapt to the different spacings between the support rollers 4 and the pressure rollers 5 at different locations. The output end of the rotation driving part 15 and the transmission shaft 2 are preferably connected by a key or a coupling, and the rotation driving part 15 drives the transmission shaft 2 and the input end of the reducer 14 to rotate, thereby effectively driving the output end of the reducer 14, the transmission shaft 2 13 and the bevel gear 2 12 rotates, the bevel gear 2 12 and the bevel gear 1 1 are meshed, the bevel gear 1 11 is connected to the lifting shaft 9, the lifting shaft 9 and the adapter ring 8 are connected in transmission, thereby driving the extension block 7 and the positioning block 1 6 to move up and down, adjusting the height of the pressing roller 5, and then adjusting the height of the calendering place, to meet the needs of different calendering places, and driving the reducer 14 to rotate at the same time through the rotating drive part 15, which is conducive to driving multiple lifting shafts 9 to rotate at the same time, and conveniently driving the pressing rollers 5 at various places to move at the same time, thereby improving the efficiency of adjusting the pressing roller 5, facilitating operation, and improving the accuracy of adjustment.

[0029] Reference Figure 3, this calender also includes an intermediate guide support assembly, which includes a lifter 16, a positioning plate 17 and a roller 18. A plurality of lifters 16 are installed on the support frame 1, and the output end of the lifter 16 is connected to the positioning plate 17. A plurality of rollers 18 are rotatably connected to the positioning plate 17. A hand wheel is installed to the input end of the lifter 16 to facilitate the rotation of the input end of the lifter 16, or a motor is installed to the support frame 1, and the output shaft of the motor is connected to the input shaft of the lifter 16 to facilitate the rotation of the input shaft of the lifter 16. The lifter 16 is preferably a worm gear lifter 16, which drives the positioning plate 17 and the roller 18 to move, and can effectively drive the positioning plate 17 and the roller 18 to move to a suitable height, so as to conveniently limit the position of the transmitted material to be calendered in the middle of the support frame 1, which is beneficial to the guiding and supporting effect of the material to be calendered.

[0030] Reference Figure 2 The adjustment component also includes a seat bearing 10, a limit nut 23 and a positioning boss 24. A plurality of seat bearings 10 are installed on the support frame 1. The lifting shaft 9 passes through the seat bearing 10. A positioning boss 24 is arranged on the lifting shaft 9. The limit nut 23 is threadedly connected to the lifting shaft 9. The limit nut 23 and the positioning boss 24 are located on both sides of the seat bearing 10. The lifting shaft 9 and the positioning boss 24 are preferably integrally formed. The limit nut 23 and the positioning boss 24 cooperate to effectively connect the lifting shaft 9 and the seat bearing 10, so that the lifting shaft 9 and the support frame 1 can rotate without falling out.

[0031] Reference Figure 1 The calendering component also includes a limit plate 22. The groove end of the support frame 1 is connected with a plurality of limit plates 22. The limit plates 22 can limit the positions of the positioning blocks 23 and 16. By setting the limit plates 22, the positions of the positioning blocks 23 and 16 are effectively limited, reducing the possibility of the positioning blocks 23 and 16 falling off.

[0032] Reference Figure 3 The intermediate guide support assembly also includes a guide rail 19 and a slider 20. A plurality of guide rails 19 are connected to the support frame 1, and a plurality of sliders 20 are slidably connected to the guide rail 19. The slider 20 is connected to the positioning plate 17. Through the cooperation between the slider 20 and the guide rail 19, the moving position of the positioning plate 17 is limited, and the movement of the positioning plate 17 is effectively guided.

[0033] Reference Figure 6 The intermediate guide support assembly also includes a seat bearing 21, a seat bearing 21 is installed on the positioning plate 17, and the end of the roller 18 is inserted into the middle bearing hole of the seat bearing 21. Through the setting of the seat bearing 21, the rotation connection between the positioning plate 17 and the roller 18 is effectively realized, reducing the wear of the roller 18.

[0034] When in use, the material to be calendered is transmitted to the middle area between the support roller 4 and the pressure roller 5, and the transmitted material is pressed by the support roller 4 and the pressure roller 5 to perform a calendering operation on the material. When it is necessary to adjust the distance between the support roller 4 and the pressure roller 5, the rotary drive unit 15 is started, and the rotary drive unit 15 drives the transmission shaft 2 to rotate, and the transmission shaft 2 drives the input shaft of the reducer 14 to rotate, thereby effectively driving the output shaft of the reducer 14 to rotate, driving the bevel gear 2 12 to rotate, the bevel gear 2 12 and the bevel gear 1 11 to mesh, and then driving the lifting shaft 9 to rotate, the lifting shaft 9 and the adapter ring 8 cooperate, and then drive the extension block 7, the positioning block 6 and the pressure roller 5 to move up and down, and adjust the distance between the support roller 4 and the pressure roller 5.

[0035] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0036] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0037] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0038] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A calender for facilitating adjustment of roller gap, characterized in that: It includes a calendering component and an adjustment component for adjusting the gap between rollers at the calendering location; The calendering assembly comprises a support frame (1), a second positioning block (3), a support roller (4), a pressure roller (5) and a first positioning block (6); the support frame (1) is provided with grooves corresponding to the second positioning block (3) and the first positioning block (6); a plurality of second positioning blocks (3) and a plurality of first positioning blocks (6) are relatively arranged on two sides of the support frame (1); a plurality of second positioning blocks (3) are rotatably connected with the support roller (4); a plurality of first positioning blocks (6) are rotatably connected with the pressure roller (5); The adjustment assembly comprises a transmission shaft 1 (2), an extension block (7), an adapter ring (8), a lifting shaft (9), a bevel gear 1 (11), a bevel gear 2 (12), a transmission shaft 2 (13), a reducer (14) and a rotary drive unit (15); the positioning block 1 (6) is connected to the extension block (7); a plurality of adapter rings (8) are mounted on the extension block (7); the lifting shaft (9) and the adapter ring (8) are in transmission connection; the lifting shaft (9) can drive the adapter ring (8) to move when it rotates; the lifting shaft (9) and the support frame (1) are rotationally connected; the extension block (7) is connected to the transmission shaft 1 (2); the adapter ring (8) is installed on the extension block (7); the lifting shaft (9) and the support frame (1) are rotationally connected; the extension block (7) is connected to the transmission shaft 1 (2); the adapter ring (8) is installed on the extension block (7); the lifting shaft (9) and the adapter ring (8 ... adapter ring (8) is installed on the extension block (7); the lifting shaft (9) and the support frame (1) are rotationally connected; the extension block (7) is connected to the transmission shaft 1 (2); the adapter ring (8) is installed on the extension block (7); the lifting shaft (9) and the support frame (1) are rotationally connected; the adapter ring (8) is installed on the extension block (7); the adapter ring (8) is installed on the extension block (7); the lifting shaft (9) and the support frame (1) are rotationally connected; the adapter ring (8) is installed on the extension block ( The extension block (7) is provided with a through hole corresponding to the hoisting shaft (9), a plurality of reducers (14) are installed on both sides of the support frame (1), the output end of the rotary drive unit (15) is connected to the transmission shaft 1 (2), the transmission shaft 1 (2) is connected to the input end of the reducer (14), the output end of the reducer (14) is connected to the transmission shaft 2 (13), the transmission shaft 2 (13) is connected to a plurality of bevel gears 2 (12), the hoisting shaft (9) is connected to a plurality of bevel gears 1 (11), and the bevel gears 1 (11) and the bevel gears 2 (12) are meshed.

2. A calender for facilitating adjustment of roller gap according to claim 1, characterized in that: The invention also comprises an intermediate guide support assembly, wherein the intermediate guide support assembly comprises a lifter (16), a positioning plate (17) and rollers (18); a plurality of lifters (16) are installed on the support frame (1); the output end of the lifter (16) is connected to the positioning plate (17); and a plurality of rollers (18) are rotatably connected to the positioning plate (17).

3. A calender for adjusting the roller gap according to claim 1, characterized in that: The adjustment assembly also includes a seat bearing (10), a limiting nut (23) and a positioning boss (24); a plurality of seat bearings (10) are installed on the support frame (1); a lifting shaft (9) passes through the seat bearing (10); a positioning boss (24) is arranged on the lifting shaft (9); a limiting nut (23) is threadedly connected to the lifting shaft (9); the limiting nut (23) and the positioning boss (24) are located on both sides of the seat bearing (10).

4. A calender for facilitating adjustment of roller gap according to claim 1, characterized in that: The calendering assembly also includes a limiting plate (22), and the groove end of the support frame (1) is connected to a plurality of limiting plates (22), and the limiting plates (22) can limit the positions of the positioning block 2 (3) and the positioning block 1 (6).

5. A calender for facilitating adjustment of roller gap according to claim 2, characterized in that: The intermediate guide support assembly also includes guide rails (19) and sliders (20); the support frame (1) is connected to a plurality of guide rails (19); a plurality of sliders (20) are slidably connected to the guide rails (19); and the sliders (20) are connected to the positioning plate (17).

6. A calender for adjusting the roller gap according to claim 2, characterized in that: The intermediate guide support assembly also includes a second bearing seat (21), the second bearing seat (21) is installed on the positioning plate (17), and the end of the roller (18) is inserted into the middle bearing hole of the second bearing seat (21).