Roller replacement auxiliary device
By designing an auxiliary device for roll replacement, and using lifting components and linear modules to adjust the roll height, the problems of low efficiency, significant safety hazards, and insufficient precision in traditional roll replacement have been solved, achieving an efficient and safe roll replacement process.
Patent Information
- Application Number
- CN202520286256.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Traditional roll replacement methods are inefficient, pose significant safety risks, lack precision, and are labor-intensive, making them difficult to meet the needs of modern industry.
A roll replacement auxiliary device was designed, which uses a lifting component and a linear module in conjunction with a screw to adjust the roll height. Combined with a load-bearing component and a guide sleeve, it can achieve rapid positioning and precise installation of the roll, reduce the intensity of manual operation and improve safety.
It significantly improves roll replacement efficiency, reduces safety risks, ensures operational accuracy and equipment stability, and reduces labor costs and downtime losses.
Smart Images
Figure CN223748245U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of roll replacement, and particularly relates to a roll replacement auxiliary device. BACKGROUND
[0002] In the metallurgical, papermaking, mechanical manufacturing and other industries, the roll is an important part of the core equipment, and is widely used in rolling mill, calender, coating machine and other equipment. The roll is easy to appear problems such as wear, crack, deformation and the like in the long-term running process due to the influence of factors such as high temperature, high pressure, friction and corrosion, which leads to the performance decline of equipment, and affects product quality and production efficiency. Therefore, the regular replacement of the roll is the key link to ensure the normal operation of equipment and maintain efficient production.
[0003] The traditional roll replacement method mainly relies on manual operation, and uses simple tools such as jacks, hoisting equipment and the like to disassemble and install the roll. This method has the following problems:
[0004] 1. Low efficiency: manual operation takes a long time, especially in the replacement process of heavy rolls, which requires multiple people to cooperate, and the efficiency is low.
[0005] 2. Safety hazards: there is a high safety risk in the disassembly and installation process of heavy rolls, and equipment damage or personnel casualty accidents are easy to occur.
[0006] 3. Insufficient precision: manual operation is difficult to guarantee the installation precision of the roll, which may lead to poor cooperation between the roll and the bearing seat, affecting the running stability of the equipment.
[0007] 4. High labor intensity: the roll replacement operation needs to consume a lot of physical strength, and the physical quality requirement of the operator is high. INVENTION CONTENTS
[0008] The utility model provides a roll replacement auxiliary device aiming at the above problems.
[0009] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0010] A roll replacement auxiliary device, comprising a bottom plate, a bearing plate is arranged above the bottom plate, a plurality of guide sleeves are arranged between the bearing plate and the bottom plate, a guide column is slidably arranged in the guide sleeve, the upper end of the guide column is fixedly connected with a work plate through the bearing plate, a lifting assembly is fixedly installed at the middle part of the bearing plate, the lifting rod of the lifting assembly is fixedly connected with the lower surface of the work plate, a linear module is fixedly installed on the upper surface of the work plate, sliding plates are fixedly connected on both sides of the slider of the linear module, the sliding plates are slidably arranged in the sliding groove, the sliding groove is fixedly installed on the upper surface of the work plate, a receiving assembly is installed on the upper surface of the sliding plate, and is used for placing a roll assembly.
[0011] Further, a bearing assembly is arranged between the bottom plate and the bearing plate, and the bearing assembly is arranged below the lifting assembly, so as to protect the bearing plate.
[0012] Still further, the bearing assembly comprises a fixed groove fixedly arranged on the upper surface of the bottom plate, a bearing frame arranged in the fixed groove, a first positioning column arranged on the lower end surface of the bearing frame, a first positioning hole corresponding to the first positioning column arranged in the fixed groove, a plurality of second positioning holes arranged on the upper surface of the bearing frame, and a plurality of second positioning columns corresponding to the second positioning holes fixedly arranged on the lower surface of the bearing plate.
[0013] Still further, a plurality of rollers are fixedly arranged on the lower surface of the sliding plate, and a belt is arranged on the plurality of rollers, so as to reduce the friction during the movement of the sliding plate.
[0014] Still further, the bearing assembly comprises two groups of lower hinged plates fixedly arranged on the upper surface of the sliding plate, the lower hinged plates are hinged to the lower ends of a first connecting rod, a second connecting rod is hinged to the middle part of the first connecting rod, the upper end of the second connecting rod is hinged to an upper hinged plate, a lower sliding block and an upper sliding block are respectively hinged to the lower end of the second connecting rod and the upper end of the first connecting rod, the lower sliding block and the upper sliding block are respectively slidably connected in grooves in the lower hinged plate and the upper hinged plate, the two lower sliding blocks are threadedly connected to a lead screw, one end of the lead screw is fixedly connected to the output shaft of a motor, the motor is fixedly arranged on the upper surface of the sliding plate, the two upper hinged plates are fixedly connected to the lower surface of a bearing plate, and the bearing plate is used for placing a roller assembly.
[0015] Still further, a limiting block is fixedly arranged at the front end of the bearing plate, so as to prevent the roller assembly from sliding off the bearing plate.
[0016] Still further, a plurality of universal wheels are arranged on the lower surface of the bottom plate, so as to facilitate the movement of the device.
[0017] Still further, the lifting assembly is a worm gear lifting machine.
[0018] Compared with the prior art, the device has the following advantages:
[0019] 1. The device can quickly adjust the height of the roller assembly through the lifting assembly, drive the roller assembly to extend into the rolling mill through the linear module, and finely adjust the height of the roller assembly through the lead screw, thereby solving the problem that the traditional roller changing device cannot adapt to various roller changing scenes due to the fixed height, and significantly improving the versatility and flexibility of the device, and the device is suitable for rolling mill equipment of various specifications.
[0020] 2, The utility model discloses reduced labor intensity of manual operation, reduced manpower cost, avoided the equipment damage or safety accident of the improper manual operation simultaneously. Effectively reduce the operation risk, avoid the security risk such as the possible roll drop, equipment collision of traditional roll changing process, guarantee the safety of operating personnel.
[0021] 3, The utility model discloses significantly improved roll changing efficiency, shortened roll changing time, reduced the downtime loss of the roll changing, created higher economic efficiency for enterprise. DRAWINGS
[0022] Figure 1 It is the structure schematic drawing of the utility model;
[0023] Figure 2 It is the structure schematic drawing of the utility model;
[0024] Figure 3 It is the structure schematic drawing of the utility model;
[0025] Figure 4 It is the structure schematic drawing of the utility model Figure 3 It is the local enlarged view of circle A;
[0026] In the drawing, bottom plate 1, bearing plate 2, guide sleeve 3, guide column 4, work plate 5, lifting assembly 6, linear module 7, sliding plate 8, sliding slot 9, fixed slot 10, receiving frame 11, No. 1 positioning column 12, No. 2 positioning hole 13, gyro wheel 14, belt 15, lower hinged plate 16, No. 1 connecting rod 17, No. 2 connecting rod 18, upper hinged plate 19, lower sliding block 20, upper sliding block 21, recess 22, lead screw 23, motor 24, receiving plate 25, limit block 26, universal wheel 27. DETAILED DESCRIPTION
[0027] In order to further illustrate the technical scheme of the utility model, the utility model is further illustrated by embodiment below.
[0028] As Figures 1 to 4As shown, a roll replacement auxiliary device includes a bottom plate 1, a plurality of universal wheels 27 are installed on the lower surface of the bottom plate 1 to facilitate the movement of the device, a bearing plate 2 is arranged above the bottom plate 1, a plurality of guide sleeves 3 are arranged between the bearing plate 2 and the bottom plate 1, a guide column 4 is slidably arranged in the guide sleeve 3, the upper end of the guide column 4 is fixedly connected with a working plate 5 through the bearing plate 2, a bearing assembly is arranged between the bottom plate 1 and the bearing plate 2, and the bearing assembly is below a lifting assembly 6 to facilitate the protection of the bearing plate 2, a lifting assembly 6 is fixedly installed in the middle of the bearing plate 2, the lifting assembly 6 is a worm gear lifting machine, the lifting rod of the lifting assembly 6 is fixedly connected with the lower surface of the working plate 5, a linear module 7 is fixedly installed on the upper surface of the working plate 5, sliding plates 8 are fixedly connected on both sides of the sliding block of the linear module 7, the sliding plates 8 are slidably arranged in sliding grooves 9, the sliding grooves 9 are fixedly installed on the upper surface of the working plate 5, a plurality of rollers 14 are fixedly installed on the lower surface of the sliding plates 8, a belt 15 is commonly arranged on the plurality of rollers 14 to reduce the frictional force in the movement of the sliding plates 8, and a receiving assembly is installed on the upper surface of the sliding plates 8 for placing a roll assembly.
[0029] The bearing assembly includes a fixed groove 10 fixedly installed on the upper surface of the bottom plate 1, a receiving frame 11 is arranged in the fixed groove 10, a first positioning column 12 is arranged on the lower end surface of the receiving frame 11, a first positioning hole corresponding to the first positioning column 12 is arranged in the fixed groove 10, a plurality of second positioning holes 13 are arranged on the upper surface of the receiving frame 11, and a second positioning column corresponding to the second positioning hole 13 is fixedly arranged on the lower surface of the bearing plate 2.
[0030] The receiving assembly includes two groups of lower hinged plates 16 fixedly arranged on the upper surface of the sliding plates 8, the lower hinged plates 16 are hingedly connected with the lower end of a first connecting rod 17, a second connecting rod 18 is hingedly connected in the middle of the first connecting rod 17, the upper end of the second connecting rod 18 is hingedly connected with an upper hinged plate 19, a lower sliding block 20 and an upper sliding block 21 are respectively hingedly connected on the lower end of the second connecting rod 18 and the upper end of the first connecting rod 17, the lower sliding block 20 and the upper sliding block 21 are respectively slidably connected in recesses 22 of the lower hinged plates 16 and the upper hinged plates 19, both of the lower sliding blocks 20 are threadedly connected on a lead screw 23, one end of the lead screw 23 is fixedly connected with the output shaft of a motor 24, the motor 24 is fixedly installed on the upper surface of the sliding plates 8, both of the upper hinged plates 19 are fixedly connected with the lower surface of a receiving plate 25, the receiving plate 25 is used for placing the roll assembly, and a limiting block 26 is fixedly arranged at the front end of the receiving plate 25 to prevent the roll assembly from sliding off the receiving plate 25.
[0031] The main features and advantages of the present application are shown and described above, for those skilled in the art, it is clear that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.
[0032] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.
Claims
1. A roll change assisting device, characterized by: The utility model provides a rolling mill, including bottom plate (1), be provided with the load bearing plate (2) above bottom plate (1), be provided with a plurality of guide bushings (3) between load bearing plate (2) and bottom plate (1), be provided with guide column (4) inside the guide bushing (3) sliding, the upper end of guide column (4) passes through load bearing plate (2) and is fixedly connected with work plate (5), the middle part of load bearing plate (2) is fixedly installed with lifting assembly (6), the lifting rod of lifting assembly (6) is fixedly connected with the lower surface of work plate (5), the upper surface of work plate (5) is fixedly installed with linear module (7), the both sides of the slider of linear module (7) are fixedly connected with sliding plate (8), sliding plate (8) slidingly sets up in the sliding slot (9), the sliding slot (9) is fixedly installed on the upper surface of work plate (5), the upper surface of sliding plate (8) is installed with receiving assembly, is used for placing roll assembly.
2. A roll changing aid according to claim 1, characterised in that: Be provided with load bearing assembly between bottom plate (1) and load bearing plate (2), and the load bearing assembly is located below lifting assembly (6), to facilitate the protection of load bearing plate (2).
3. A roll changing aid according to claim 2, characterised in that: The load bearing assembly includes a fixed groove (10) fixedly installed on the upper surface of the bottom plate (1), a receiving frame (11) is provided in the fixed groove (10), a first positioning column (12) is provided on the lower end surface of the receiving frame (11), a first positioning hole corresponding to the first positioning column (12) is provided in the fixed groove (10), a plurality of second positioning holes (13) are provided on the upper surface of the receiving frame (11), and a second positioning column corresponding to the second positioning hole (13) is fixedly provided on the lower surface of the load bearing plate (2).
4. A roll changing aid according to claim 1, characterised in that: A plurality of rollers (14) are fixedly installed on the lower surface of the sliding plate (8), and a belt (15) is commonly provided on the plurality of rollers (14) to reduce the frictional force during the movement of the sliding plate (8).
5. A roll changing aid according to claim 1, characterized in that: The receiving assembly includes two groups of lower hinge plates (16) fixedly provided on the upper surface of the sliding plate (8), the lower hinge plates (16) are hingedly connected to the lower ends of a first connecting rod (17), a second connecting rod (18) is hingedly connected to the middle part of the first connecting rod (17), the upper end of the second connecting rod (18) is hingedly connected to an upper hinge plate (19), a lower sliding block (20) and an upper sliding block (21) are respectively hingedly connected to the lower end of the second connecting rod (18) and the upper end of the first connecting rod (17), the lower sliding block (20) and the upper sliding block (21) are respectively slidingly connected in recesses (22) of the lower hinge plates (16) and the upper hinge plate (19), both the lower sliding blocks (20) are threadedly connected to a lead screw (23), one end of the lead screw (23) is fixedly connected to an output shaft of a motor (24), the motor (24) is fixedly installed on the upper surface of the sliding plate (8), both the upper hinge plates (19) are fixedly connected to the lower surface of a receiving plate (25), and the receiving plate (25) is used for placing the roll assembly.
6. A roll changing aid according to claim 5, characterised in that: A limiting block (26) is fixedly provided at the front end of the receiving plate (25) to prevent the roll assembly from sliding off the receiving plate (25).
7. A roll changing aid according to claim 1, characterized in that: A plurality of universal wheels (27) are mounted on the lower surface of the base plate (1) to facilitate movement of the device.
8. A roll changing aid according to claim 1, characterized in that: The lifting assembly (6) is a worm gear lifting machine.