Trimming device for papermaking felt production

By designing an adjustable height slide and a heated roller trimming device, the problem of existing devices being unable to adapt to blankets of different sizes has been solved, achieving efficient trimming and wrinkle smoothing, and extending the service life of blankets.

CN223866974UActive Publication Date: 2026-02-03ZHENGZHOU FEERTE NET BLANKET CO LTD
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Patent Information

Application Number
CN202520127784.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-02-03
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing papermaking felt trimming devices are not suitable for felts of different sizes and have low trimming efficiency.

Method used

A trimming device comprising a base plate, a slide table, gears, a heating roller, and a motor was designed. The height of the slide table is adjusted by the motor-driven bracket to accommodate blankets of different thicknesses. A pressure plate is used to smooth out wrinkles, and the heating roller is used to repair the edges of the blanket.

Benefits of technology

It improves trimming efficiency and adaptability, can adapt to blankets of different thicknesses, smooths wrinkles, and enhances the lifespan and trimming effect of blankets.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a trimming device for papermaking felt production, and belongs to the technical field of felt production. The trimming device for papermaking felt production further comprises sliding tables arranged on the two sides of the bottom plate correspondingly. The outer side of the sliding table is rotationally connected with a pair of gears; the pair of gears are meshed with each other; the gear on each side is fixedly connected with a combing roller and a heating roller from the front side to the rear side. Heating wires are arranged on the inner sides of the heating rollers on the two sides; the sliding table on each side is fixedly connected with a second motor. The output ends of the second motors on the two sides are fixedly connected with the gear on the front side. The outer side of each sliding table is slidably connected with a support. The upper side of each support is fixedly connected with a first motor. The output end of the first motor is fixedly connected with a lead screw. Each lead screw is in threaded connection with the sliding table on the same side; by arranging the first motor, the support and the sliding table, the output end of the first motor drives the support to rotate, so that the height of the sliding table is adjusted to adapt to papermaking felts of different thicknesses, the trimming efficiency is improved, and practicability is higher.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to blanket production technical field, more specifically, relate to a kind of trimming device for papermaking blanket production. BACKGROUND

[0002] Papermaking blanket refers to the fabric felt used for paper forming and conveying in paper industry. According to the position on paper machine, it can be divided into wet blanket, upper blanket and dry blanket.

[0003] During the operation of papermaking blanket on paper machine, the two sides inevitably rub against the deflector of paper machine. After rubbing, the warp yarn of bottom net papermaking blanket is easily separated from the blanket to form burr. The existence of burr will cause the warp yarn of blanket to be continuously pulled out, and the pulled-out warp yarn will be wound on the roller of paper machine, affecting the normal operation of paper machine and reducing the service life of papermaking blanket.

[0004] For example, patent application No. CN202120359931.6, a trimming device for papermaking blanket, includes a heating trimming device and a suspension fixing device. The heating trimming device includes a connecting support rod connected to the suspension fixing device. A heating connecting frame is provided on the right side of the connecting support rod. A heating operation slot is provided on the right side of the heating connecting frame. Heating plates are provided on the top and bottom surfaces of the heating operation slot. The device is installed in the middle of the papermaking blanket, and the edge of the papermaking blanket passes through the middle of the heating plate. The edge burr of the papermaking blanket can be heated during work to make the edge flat and avoid thread breakage, thereby improving the service life of the papermaking blanket. The device is simple in structure, easy to install and fix, and the heating trimming device can repair the edge burr of the papermaking blanket.

[0005] Although the above-mentioned trimming device for papermaking blanket can repair the edge of the blanket, it cannot be applied to papermaking blankets of different sizes, and the trimming efficiency needs to be improved. UTILITY MODEL CONTENTS

[0006] The utility model provides a trimming device for papermaking blanket production to solve the above technical problems, improve the trimming efficiency and have better practicality.

[0007] The utility model discloses an edge trimming device for papermaking blanket production, including the bottom plate, still including the slide platform that sets up respectively at the both sides of bottom plate, the slide platform outside rotation connects a pair of gear, a pair The gear is engaged, and the gear of each side is fixedly connected comb roller, heating roller from the front side to the back side respectively, and both sides The heating roller all sets up heating wire in the inside, and the slide platform fixedly connected motor no.

[0008] Preferably, each heating roller is made of metal.

[0009] Preferably, two front sides of the bracket are fixedly connected with a support respectively, and a pressing plate is rotatably connected between the two supports.

[0010] Preferably, the lower end of the torsion spring is provided with a rounded corner, and the lower end of the screw rod is provided with a bearing.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] (1) By setting the pressing plate, the pressing plate is rotatably connected with the support, and the pressing plate is used to smooth the wrinkles on the papermaking blanket, thereby improving the edge trimming effect.

[0013] (2) By setting the motor, the bracket and the slide platform, the output end of the motor is used to drive the bracket to rotate, thereby adjusting the height of the slide platform, adapting to papermaking blankets of different thicknesses, improving the edge trimming efficiency and being more practical. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole structure schematic diagram of the utility model;

[0015] Figure 2 It is the main structure schematic diagram of the utility model.

[0016] Explanation of reference numerals in the drawing: 10, bottom plate; 11, bracket; 12, motor; 13, support; 14, pressing plate; 15, screw rod; 16, torsion spring; 17, slide platform; 18, gear; 19, heating roller; 20, comb roller; 21, motor; 22, bearing. DETAILED DESCRIPTION

[0017] Specific embodiment one: please refer to Figures 1-2A trimming device for papermaking felt production includes a base plate 10; it also includes slides 17 respectively disposed on both sides of the base plate 10; a pair of gears 18 are rotatably connected to the outer side of each slide 17; the pair of gears 18 mesh with each other; each gear 18 on each side is fixedly connected to a comb roller 20 and a heating roller 19 from the front to the rear side respectively; heating wires are provided on the inner side of each heating roller 19; a second motor 21 is fixedly connected to each slide 17 on each side; the output end of the second motor 21 on both sides is fixedly connected to the gear 18 on the front side; a bracket 11 is slidably connected to the outer side of each slide 17; a first motor 12 is fixedly connected to the upper side of each bracket 11; a lead screw 15 is fixedly connected to the output end of the first motor 12; each lead screw 15 is threadedly connected to the slide 17 on the same side; by setting up the first motor 12, the bracket 11, and the slide 17, the output end of the first motor 12 drives the bracket 11 to rotate, thereby adjusting the height of the slide 17 to adapt to papermaking felt of different thicknesses, improving trimming efficiency and making it more practical.

[0018] Please see Figure 2 Each of the heating rollers 19 is made of metal.

[0019] Please see Figure 1 The two supports 11 are respectively fixedly connected to the front side of the support 13; the two supports 13 are rotatably connected to the pressure plate 14; torsion springs 16 are respectively provided between the pressure plate 14 and the supports 13 on both sides; by setting the pressure plate 14, the pressure plate 14 is rotatably connected to the support 13, and the pressure plate 14 is used to smooth the wrinkles on the papermaking blanket, thereby improving the trimming effect.

[0020] Please see Figure 2 The lower end of the torsion spring 16 is provided with a rounded corner; the lower ends of the lead screws 15 on both sides are provided with bearings 22.

[0021] During operation, the pressure plate 14 is first opened to convey the papermaking felt to the upper end of the base plate 10. Then, the pressure plate 14 is released so that it abuts against the papermaking felt, smoothing out the wrinkles on the papermaking felt, and the papermaking felt is conveyed forward. The motor 21 is started. After the papermaking felt is combed by the combing roller 20, it is then heated and pressed by the heating roller 19, so that the fibers on the papermaking felt are pressed tightly onto the papermaking felt by the heating roller 19. Then it is conveyed to the front side for subsequent processing.

[0022] When processing papermaking blankets of different thicknesses, start motor 12. The output end of motor 12 drives the lead screw 15 to rotate, and then slide 17 is lifted. After the height of slide 17 is adjusted to a suitable position, motor 12 is turned off, and then heating roller 19 presses against the papermaking blanket.

[0023] The specification and claims use certain terms to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0024] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes said element.

[0025] The foregoing description presents and describes several preferred embodiments of this application. However, as mentioned above, it should be understood that this application is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the application concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this application should be within the protection scope of the appended claims.

Claims

1. A trimming device for papermaking felt production, comprising a base plate (10); characterized in that, It also includes slides (17) respectively set on both sides of the base plate (10); a pair of gears (18) are rotatably connected to the outer side of the slides (17); the pair of gears (18) mesh with each other; the gears (18) on each side are fixedly connected to the comb roller (20) and the heating roller (19) from the front to the back respectively; the heating rollers (19) on both sides are provided with heating wires on the inner side; the slides (17) on each side are fixedly connected to the second motor (21); the output end of the second motor (21) on both sides is fixedly connected to the gear (18) on the front side; the outer side of each slide (17) is slidably connected to the bracket (11); the upper side of each bracket (11) is fixedly connected to the first motor (12); the output end of the first motor (12) is fixedly connected to the lead screw (15); each lead screw (15) is threadedly connected to the slide (17) on the same side respectively.

2. The trimming device for papermaking blanket production according to claim 1, characterized in that: Each of the heating rollers (19) is made of metal.

3. The trimming device for papermaking felt production according to claim 1, characterized in that: The front sides of the two brackets (11) are respectively fixedly connected to the support (13); the two supports (13) are rotatably connected to the pressure plate (14); the pressure plate (14) and the supports (13) on both sides are respectively provided with torsion springs (16).

4. The trimming device for papermaking felt production according to claim 3, characterized in that: The lower end of the torsion spring (16) is provided with a rounded corner; the lower ends of the lead screws (15) on both sides are provided with bearings (22).

Citation Information

Patent Citations

  • Trimming device for papermaking felt

    CN215366509U