Disassembling and assembling device for eccentric assembly of feeding trolley of tobacco cutter

By designing a disassembly and assembly device for the eccentric component of the feeding trolley of the shredder, offline adjustment of the eccentric component was achieved using the shaft platform and marking lines. This solved the problems of difficult disassembly and assembly and long adjustment time in the existing technology, and improved maintenance efficiency and safety.

CN223749551UActive Publication Date: 2026-01-02CHINA TOBACCO ANHUI IND CO LTD
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Patent Information

Application Number
CN202520356091.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-02
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

In the existing technology, the disassembly and assembly of the eccentric component of the feeding trolley of the shredder is labor-intensive and difficult to adjust. In particular, the online adjustment of the two bearing seats is time-consuming and difficult to accurately position, resulting in low maintenance efficiency.

Method used

A device for disassembling and assembling the eccentric component of a shredder feeding trolley was designed. The device utilizes a movable frame and a shaft table for offline adjustment of the eccentric component. The positioning holes and marking lines on the shaft table enable precise positioning of the two bearings with seats, simplifying the disassembly and assembly process.

Benefits of technology

It enables rapid and accurate assembly and disassembly of eccentric components, reduces labor intensity, improves maintenance efficiency, eliminates safety hazards, and ensures the accuracy of bearing spacing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dismounting device for an eccentric component of a feeding trolley of a tobacco cutter, the eccentric component comprises a mounting shaft and an eccentric bearing mounted on the mounting shaft, the left end and the right end of the mounting shaft are rotatably supported by two mounted bearings, the dismounting device comprises a movable rack, and a mounting platform is arranged at the top of the movable rack. Two plummer blocks which are bilaterally symmetrical are fixedly arranged on the mounting platform, the top surface of each plummer block is a horizontal mounting surface, two positioning holes which are distributed front and back are formed in the mounting surface of each plummer block, and the two positioning holes in the top surfaces of the plummer blocks are in one-to-one correspondence with two waist-shaped holes of the mounted bearing respectively; front-back marking lines extending in the front-back direction are arranged in the middles of the front end and the rear end of the mounting face of the pillow block respectively, and left-right marking lines extending in the left-right direction are arranged in the middle of the mounting face of the pillow block. Compared with the prior art, the eccentric assembly has the advantages that off-line adjustment of the positions of the two mounted bearings of the eccentric assembly is achieved, the adjustment process is convenient and fast, and the maintenance efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to auxiliary device technical field for cigarette processing equipment, especially, is a kind of eccentric assembly dismounting device of feeding trolley of tobacco cutter. BACKGROUND

[0002] Tobacco factory prepares silk workshop and is equipped with tobacco cutter, and feeding trolley is used to transport incoming tobacco leaves as important component of tobacco cutter.When feeding trolley appears abnormal sound fault, maintenance personnel need to check eccentric assembly. Through abnormal sound source judgment, we may need to replace eccentric bearing of eccentric assembly, and need to dismount eccentric assembly when replacing. Eccentric assembly is heavy in overall weight, and labor intensity is large in carrying transfer process, and it is not easy to clamp in disassembly process, causing dismounting difficulty.

[0003] Eccentric assembly includes mounting shaft and eccentric bearing installed in the middle section of mounting shaft, and mounting shaft is supported and positioned by two bearing blocks in axial direction, with high precision requirement, and bearing block is self-aligning bearing. In the process of replacing and adjusting eccentric assembly, maintenance personnel need to adjust the position of two bearing blocks online repeatedly, to ensure that the distance of two bearing blocks is unchanged, to avoid uneven force on eccentric assembly causing damage to related parts. At present, the position of two bearing blocks is adjusted directly on feeding trolley, which is difficult to adjust, takes nearly 60 minutes, and has high labor intensity. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiency of prior art, and provides a kind of eccentric assembly dismounting device of feeding trolley of tobacco cutter, to realize the offline adjustment of the position of two bearing blocks of eccentric assembly, and the adjustment process is convenient and fast, to improve maintenance efficiency.

[0005] The utility model is realized by the following technical solutions:

[0006] A kind of eccentric assembly dismounting device of feeding trolley of tobacco cutter, eccentric assembly includes mounting shaft and eccentric bearing installed on mounting shaft, and mounting shaft is rotatably supported by two bearing blocks at left and right ends, and bearing block is installed on feeding trolley by waist-shaped hole at front and back ends, the dismounting device includes movable rack, and movable rack top is equipped with installation platform, and two shaft platforms that are symmetric left and right are fixedly arranged on installation platform, and the top surface of each shaft platform is horizontal installation surface, two positioning holes of the installation surface of shaft platform are arranged in front and back, the two waist-shaped holes of bearing block are one-to-one corresponding with the two positioning holes of the top surface of shaft platform, and the middle section of the installation surface of shaft platform is equipped with front and back mark lines extending along front and back direction, and the middle section of the installation surface of shaft platform is equipped with left and right mark lines extending along left and right direction.

[0007] As the preferred scheme of the above dismounting device, the positioning hole on the installation surface of the shaft platform is threaded hole.

[0008] As a preferred scheme of the above dismounting device, the front and rear marking lines and the left and right marking lines on the mounting surface of the shaft pedestal are all slots embedded in the interior of the shaft pedestal.

[0009] As a preferred scheme of the above dismounting device, the movable frame comprises a base, four supporting wheels are arranged at the bottom of the base, four supporting legs are arranged at the top of the base, and the mounting platform is fixedly connected with the top of the four supporting legs.

[0010] As a preferred scheme of the above dismounting device, a push-pull handle is arranged at the front side of the mounting platform.

[0011] Compared with the prior art, the dismounting device has the following advantages:

[0012] The dismounting device of the eccentric assembly of the feeding trolley of the shredding machine has the following advantages: two shaft pedestals with constant spacing are arranged, two bearing shafts for mounting the eccentric assembly are arranged, front and rear marking lines and left and right marking lines are arranged on the shaft pedestals, and the bearing shafts are accurately positioned in the front and rear directions and the left and right directions, so that the accurate positioning of the spacing between the two bearing shafts during the dismounting of the eccentric assembly is ensured, the accuracy of the spacing between the two bearing shafts of the eccentric assembly after adjustment and mounting is ensured, the offline adjustment of the eccentric assembly is realized, the step of online adjustment is avoided, the maintenance efficiency is improved, the labor intensity of carrying the eccentric assembly is reduced, and the safety hidden danger caused by insecure clamping during the dismounting of the eccentric assembly is eliminated. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural schematic view of the utility model.

[0014] Figure 2 is a structural schematic view of the shaft pedestal of the utility model.

[0015] Figure 3 is a structural schematic view of the installation of the utility model and the eccentric assembly.

[0016] Figure 4 is Figure 3 a structural schematic view of the dismounting state of the eccentric assembly.

[0017] Marked numbers in the figure: 1 mounting shaft; 2 eccentric bearing; 3 bearing shaft; 4 waist-shaped hole; 5 mounting platform; 6 base; 7 supporting wheel; 8 supporting leg; 9 push-pull handle; 10 shaft pedestal; 11 mounting surface; 12 positioning hole; 13 front and rear marking lines; 14 left and right marking lines; 15 first reference line; 16 second reference line. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are explained in detail below, the embodiments are implemented under the premise of the technical scheme of the utility model, detailed implementation modes and specific operation processes are given, but the protection scope of the utility model is not limited to the following embodiments.

[0019] Referring to Figures 1 to 4 The embodiment discloses a cutting machine feeding trolley eccentric assembly dismounting device, the eccentric assembly includes the mounting shaft 1 and the eccentric bearing 2 installed on the mounting shaft 1, the mounting shaft 1 left and right two ends are rotatably supported through two bearing blocks 3, the bearing block 3 is installed on the feeding trolley through the waist-shaped hole 4 at the front and back ends, and the dismounting device includes a movable rack, the movable rack top is equipped with the mounting platform 5, and the movable rack includes the base 6, the four supporting wheels 7 are arranged on the bottom of the base 6, among the four supporting wheels 7, the front two are universal wheels with brakes;The base 6 top is equipped with four supporting legs 8, and the mounting platform 5 is fixedly connected with the top of the four supporting legs 8.

[0020] The mounting platform 5 is fixedly provided with two symmetrical shaft platforms 10, the top surface of each shaft platform 10 is a horizontal mounting surface 11, two positioning holes 12 are formed in the mounting surface 11 of the shaft platform 10 and arranged in front and back, the positioning holes 12 are threaded holes, and the two positioning holes 12 on the top surface of the shaft platform 10 correspond to the two waist-shaped holes 4 of the bearing block 3 one by one.

[0021] The middle part of the mounting surface 11 of the shaft platform 10 at the front and back ends is respectively provided with a front and back marking line 13 extending in the front and back directions, and the middle section of the mounting surface 11 of the shaft platform 10 is provided with a left and right marking line 14 extending in the left and right directions. The front and back marking line 13 and the left and right marking line 14 on the mounting surface 11 of the shaft platform 10 are all gaps embedded in the inside of the shaft platform 10. The front and back marking line 13 and the left and right marking line 14 are used for positioning the bearing block 3 in the front and back directions and the left and right directions. The middle part of the front and back ends of the bearing block 3 is respectively provided with a first reference line 15, and the middle part of the left and right ends is respectively provided with a second reference line 16.

[0022] When the eccentric assembly needs to be dismounted, the dismounting device is moved to the feeding trolley, the entire eccentric assembly is dismounted from the feeding trolley and transferred to the dismounting device, so that the bearing blocks 3 at the two ends of the mounting shaft 1 are respectively arranged on the two shaft platforms 10, the two waist-shaped holes 4 of the bearing block 3 correspond to the two mounting holes on the shaft platform 10 respectively, and the first reference lines 15 at the front and back ends of the bearing block 3 are aligned with the front and back marking lines 13 on the shaft platform 10 respectively, and the second reference lines 16 at the left and right ends of the bearing block 3 are aligned with the left and right marking lines 14 on the shaft platform 10, then the screw is passed through the waist-shaped hole 4 of the bearing block 3 and is screwed in the positioning hole 12 on the shaft platform 10, and the installation of the eccentric assembly on the dismounting device is realized.

[0023] Then, the dismounting device is transferred to the maintenance station by the push-pull handle 9, and then the eccentric assembly itself can be disassembled and assembled. When the eccentric assembly is disassembled, the bearing with seat 3 on one side is disassembled from the mounting shaft 1 and removed from the shaft base 10, and then the eccentric bearing 2 is disassembled and assembled for inspection. According to the situation, it is determined whether the eccentric bearing 2 needs to be replaced. If the eccentric bearing 2 needs to be replaced, the replacement operation of the eccentric bearing 2 on the mounting shaft 1 is performed. After the inspection is completed, the eccentric assembly is installed. When installing, after the remaining parts are installed, the bearing with seat 3 is installed, and the position of the bearing with seat 3 is adjusted by the front and rear mark lines 13 and the left and right mark lines 14 on the shaft base 10. After positioning, the bearing with seat 3 is installed and locked on the shaft base 10 by two screws. After the installation and adjustment of the bearing with seat 3 on one side are completed, the bearing with seat 3 on the other side is disassembled and assembled in the same way. Since the distance between the two bearings is constant, the distance between the two bearings with seat 3 can be accurately ensured. After all the adjustments are completed, the assembled eccentric assembly is transferred to the feeding trolley to complete the installation.

[0024] The dismounting device provided by the embodiment realizes the offline and accurate adjustment of the distance between the bearings with seat 3 on both sides of the eccentric assembly. After the adjustment is completed, the assembled eccentric assembly is transferred to the feeding trolley to complete the installation and adjustment, and the maintenance efficiency is improved.

[0025] The above is only a preferred embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A device for disassembling and assembling an eccentric component of a shredder feeding trolley, the eccentric component comprising a mounting shaft and an eccentric bearing mounted on the mounting shaft, the left and right ends of the mounting shaft being rotatably supported by two seated bearings, the seated bearings being mounted on the feeding trolley through oblong holes at the front and rear ends, characterized in that: The disassembly and assembly device includes a mobile frame with an installation platform on top. Two symmetrical shafts are fixedly mounted on the installation platform. The top surface of each shaft is a horizontal mounting surface. Two positioning holes are arranged in a front-to-back pattern on the mounting surface of the shaft. The two positioning holes on the top surface of the shaft correspond one-to-one with the two oblong holes of the bearing seat. The middle part of the front and rear ends of the mounting surface of the shaft is provided with front and rear marking lines extending in the front-to-back direction. The middle section of the mounting surface of the shaft is provided with left and right marking lines extending in the left-to-right direction.

2. The eccentric assembly disassembly and assembly device for the feeding trolley of a shredder as described in claim 1, characterized in that: The positioning holes on the mounting surface of the shaft assembly are threaded holes.

3. The eccentric assembly disassembly and assembly device for the feeding trolley of a shredder as described in claim 1, characterized in that: The front and rear marking lines and the left and right marking lines on the mounting surface of the shaft are all gaps embedded inside the shaft.

4. The eccentric assembly disassembly and assembly device for the feeding trolley of a shredder as described in claim 1, characterized in that: The mobile rack includes a base with four support wheels at the bottom and four legs at the top. The mounting platform is fixedly connected to the top of the four legs.

5. The eccentric assembly disassembly and assembly device for the feeding trolley of a shredder as described in claim 1, characterized in that: The installation platform is equipped with a push-pull handle on the front side.