Redirection roller polyurethane pouring device

By designing a polyurethane casting device for redirecting rollers including base, cylinder body and upper cover, the combination of adjusting screw and cylinder body is used to solve the problem of a wide variety of molds caused by the divergent size of redirecting rollers, and the efficiency of the polyurethane layer is achieved Pouring and cost reduction.

CN222346096UActive Publication Date: 2025-01-14江苏沙钢荣盛工程技术有限公司 +1
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Patent Information

Application Number
CN202421219914.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-01-14
Estimated Expiration
2034-05-31

AI Technical Summary

Technical Problem

Due to the diverse sizes and models of redirection rollers, polyurethane casting molds need to be designed with multiple specifications, resulting in high cost of molds, inconvenient management, and easy to waste.

Method used

Design a redirected roller polyurethane casting device including a base, a cylinder body and an upper cover. The centering of the roller shaft and the mold is achieved by adjusting the screw, and the diameter of the roller surface is achieved by increasing or decreasing the number of cylinder bodies to adapt to different roller surface widths to achieve the same roller surface diameter. The directional roller only requires a set of molds to pour the polyurethane layer.

Benefits of technology

Through this device, the types and costs of molds are reduced, the convenience of use management is improved, waste is avoided, and efficient casting of the polyurethane layer is achieved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222346096U_ABST
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Abstract

The utility model relates to a turnabout roll polyurethane pouring device which comprises a base, a plurality of adjusting screw rods I are arranged on the base, and the adjusting screw rods I are used for adjusting a shaft head at one end of a turnabout roll to be centered with the base; the cylinder body is a cylinder formed by rolling a steel plate, the cylinder body is internally used for containing a cylinder main body of the redirection roller, and a gap used for injecting polyurethane to pour the redirection roller is formed between the inner wall of the cylinder body and the outer wall of the redirection roller; the upper cover is provided with a plurality of second adjusting screw rods, and the second adjusting screw rods are used for adjusting the shaft head at the other end of the redirection roller to be centered with the upper cover. The turnabout roll polyurethane pouring device is mainly composed of the base, the cylinder body and the upper cover, centering of the turnabout roll and a mold is achieved through the ingenious design of the structure and the adjusting screw rods in the base and the upper cover, the turnabout roll polyurethane pouring device adapts to different roll face widths by increasing or decreasing the number of cylinder body sections, and the turnabout roll polyurethane pouring device is simple in structure and convenient to use. Therefore, the turnabout roller with the same roller surface diameter can realize the pouring of the polyurethane layer only by one set of mold.
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Description

Technical Field

[0001] The utility model relates to the technical field of cold-rolled plate production, in particular to a redirecting roller polyurethane casting device. Background Art

[0002] The redirecting roller is a common component of belt conveyor equipment. Its function is to change the running direction of the conveyor belt, increase the wrapping angle and contact area between the conveyor belt and the conveyor driving roller, increase the friction between the belt and the driving roller, and prevent the belt from slipping.

[0003] There are many redirecting rollers on the cold-rolled plate production line. In order not to damage the surface of the steel strip, a polyurethane isolation layer needs to be cast on the surface of the redirecting roller. During production activities, the redirecting roller is a consumable item and the polyurethane layer on the surface needs to be repaired frequently. During repair, the residual polyurethane on the surface is first turned clean, and then the redirecting roller is placed in a customized mold, and liquid polyurethane is injected. After solidification, the redirecting roller is taken out and the outer diameter is turned to the required size.

[0004] However, since the redirecting roller has various diameters, multiple types need to be made to match the redirecting rollers. Even for redirecting rollers with the same diameter, due to the difference in roller surface width and shaft head diameter, a set of polyurethane casting molds needs to be made for each specification, resulting in a large number of molds, which are inconvenient to use and manage in production activities. Utility Model Content

[0005] To this end, the technical problem to be solved by the utility model is to overcome the problem in the prior art that since the redirecting rollers have various types of sizes and models, the polyurethane casting mold also needs to be designed in various specifications, which leads to high mold costs and easy waste.

[0006] In order to solve the above technical problems, the utility model provides a polyurethane casting device for a redirecting roller, comprising: a base, which is arranged at the lower end of the casting device as a bottom support, and the base is provided with a plurality of adjusting screws 1, and the plurality of adjusting screws 1 are arranged in a circular array, and the plurality of adjusting screws 1 are used to adjust the alignment of the shaft head at one end of the redirecting roller with the base; a barrel, which is provided with at least one, and the barrel is a cylinder made of steel plates, and the lower end of the barrel is connected to the base, and the barrel is used to accommodate a cylindrical main body of the redirecting roller, and a gap is provided between the inner wall of the barrel and the outer wall of the redirecting roller, and the gap is used to inject polyurethane to cast the redirecting roller; an upper cover, which is connected to the upper end of the barrel, and the upper cover is provided with a plurality of adjusting screws 2, and the plurality of adjusting screws 2 are arranged in a circular array, and the plurality of adjusting screws 2 are used to adjust the alignment of the shaft head at the other end of the redirecting roller with the upper cover.

[0007] In one embodiment of the utility model, the base includes flange 1, flange 2, a plurality of connecting plates 1 and sleeve 1, the flange 1 and flange 2 are both circular flanges, and flange 1 and flange 2 are coaxially arranged, the plurality of connecting plates 1 are arranged between flange 1 and flange 2, and the sleeve 1 and flange 2 are connected to the opposite end faces of flange 1.

[0008] In one embodiment of the utility model, the sleeve one is a circular cylinder, and the sleeve one, flange one and flange two are coaxially arranged, the plurality of adjusting screws one are arranged on the sleeve one in a circular array with the center of the sleeve one as the center of the circle, and the shaft head at one end of the redirecting roller extends into the sleeve one.

[0009] In one embodiment of the utility model, a circular step is provided on the end surface of the flange 1 opposite to the barrel, an annular groove is provided on the inner wall at one end of the barrel in the axial direction, and the step is arranged in the annular groove.

[0010] In one embodiment of the utility model, two ends of the outer wall of the barrel in the axial direction are respectively provided with a connecting flange 1 and a connecting flange 2, and the flange 1 and the connecting flange 1 are locked by fasteners.

[0011] In one embodiment of the utility model, a reinforcement flange is provided on the outer wall of the cylinder body, and the reinforcement flange is located in the middle position of the outer wall of the cylinder body.

[0012] In one embodiment of the present invention, the connecting flange 1 and the connecting flange 2 are welded to the outer wall of the barrel.

[0013] In one embodiment of the utility model, the upper cover includes a flange three, a sleeve two and a positioning sleeve, the flange three, the sleeve two and the positioning sleeve are coaxially arranged, the sleeve two and the positioning sleeve are both connected to the flange three, the several adjusting screws two are arranged on the sleeve two, and the positioning sleeve is used to press the redirecting roller.

[0014] In one embodiment of the utility model, a plurality of protrusions are provided on the outer wall of the flange three, and the plurality of protrusions are arranged in a circular array, and the protrusions are in contact with the inner wall of the barrel.

[0015] In one embodiment of the utility model, the flange plate 3 is provided with a plurality of weight-reducing holes, and the weight-reducing holes are circular through holes.

[0016] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0017] The polyurethane casting device for the redirecting roller described in the utility model is mainly composed of three parts (a base, a barrel and an upper cover). Through the ingenious design of the structure, the centering of the redirecting roller and the mold is achieved by using the adjusting screws in the base and the upper cover. By increasing or decreasing the number of barrel sections, it can adapt to different roller surface widths. In this way, a redirecting roller with a roller surface diameter only needs one set of molds to realize the casting of the polyurethane layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0019] Figure 1 This is an overall assembly diagram of the redirection roller polyurethane pouring device in the preferred embodiment of the utility model;

[0020] Figure 2 It is a cross-sectional view of the base in the preferred embodiment of the utility model;

[0021] Figure 3 A top view of the base in a preferred embodiment of the utility model;

[0022] Figure 4 It is a cross-sectional view of the barrel in the preferred embodiment of the utility model;

[0023] Figure 5 This is a partial enlargement of the barrel in the preferred embodiment of the utility model. Figure 1 ;

[0024] Figure 6 This is a partial enlargement of the barrel in the preferred embodiment of the utility model. Figure 2 ;

[0025] Figure 7 It is a cross-sectional view of the upper cover in the preferred embodiment of the utility model;

[0026] Figure 8 It is a top view of the upper cover in the preferred embodiment of the utility model.

[0027] Explanation of the reference numerals in the specification: base 1, adjusting screw 11, flange 12, circular through hole 121, step 122, mounting hole 123, flange 2 13, circular through hole 2 131, connecting plate 14, sleeve 15, barrel 2, annular groove 21, connecting flange 1 22, mounting hole 221, connecting flange 2 23, reinforcing flange 24, step 25, upper cover 3, adjusting screw 2 31, flange 3 32, protrusion 321, weight reduction hole 322, circular through hole 323, sleeve 2 33, positioning sleeve 34. DETAILED DESCRIPTION

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0029] Reference Figure 1 As shown, the polyurethane casting device of the redirecting roller of the utility model comprises three parts: a base 1, a barrel 2 and an upper cover 3; the base 1 is arranged at the lower end of the casting device as a bottom support, and the base 1 is provided with a plurality of adjusting screws 11, and the plurality of adjusting screws 11 are arranged in a circular array, and the plurality of adjusting screws 11 are used to adjust the alignment of the shaft head at one end of the redirecting roller with the base 1; the barrel 2 is provided with at least one, and the barrel 2 is a cylinder made of steel plate, and the lower end of the barrel 2 is connected to the base 1, and the barrel 2 is used to accommodate the cylindrical body of the redirecting roller, and a gap is provided between the inner wall of the barrel 2 and the outer wall of the redirecting roller, and the gap is used to inject polyurethane for casting the redirecting roller; the upper cover 3 is connected to the upper end of the barrel 2, and the upper cover 3 is provided with a plurality of adjusting screws 2 31, and the plurality of adjusting screws 2 31 are arranged in a circular array, and the plurality of adjusting screws 2 31 are used to adjust the alignment of the shaft head at the other end of the redirecting roller with the upper cover 3. Preferably, the number of the plurality of adjusting screws 11 is four, and the number of the plurality of adjusting screws 2 31 is four.

[0030] Reference Figure 2 , 3 As shown, the base 1 includes a flange 12, a flange 2 13, a plurality of connecting plates 14 and a sleeve 15. The flange 12 and the flange 2 13 are both circular flanges, and the flange 12 and the flange 2 13 are coaxially arranged. The plurality of connecting plates 14 are arranged between the flange 12 and the flange 2 13. The sleeve 15 and the flange 2 13 are connected to the end faces opposite to the flange 12. A circular through hole 121 is provided at the center of the flange 12, and a circular through hole 2 131 is provided at the center of the flange 2 13. The diameter of the circular through hole 2 131 is smaller than that of the circular through hole 121.

[0031] In the above structure, the sleeve 15 is a circular cylinder, and the sleeve 15, the flange 12 and the flange 2 13 are coaxially arranged, the plurality of adjusting screws 11 are arranged on the sleeve 15 in a circular array with the center of the sleeve 15 as the center, and the shaft head of one end of the redirecting roller extends into the sleeve 15. The diameter of the sleeve 15 is smaller than the circular through hole 121, and the inner diameter of the sleeve 15 is the same as the diameter of the circular through hole 121, so that the inner wall of the sleeve 15 and the inner wall of the circular through hole 121 are located on the same circumference.

[0032] In the above structure, a circular step 122 is provided on the end surface of the flange 12 opposite to the barrel 2, and an annular groove 21 is provided on the inner wall of one end of the barrel 2 in the axial direction, and the step 122 is arranged in the annular groove 21. A step 25 is provided at the other end of the barrel 2 in the axial direction. When several barrels 2 need to be spliced, several barrels 2 are connected together in a straight line in sequence, and the step 25 of the adjacent barrel 2 is embedded in the annular groove 21 of another barrel 2.

[0033] Reference Figure 4-6 As shown, the two ends of the outer wall of the barrel 2 in the axial direction are respectively provided with a connecting flange 1 22 and a connecting flange 2 23, the connecting flange 1 22 and the connecting flange 2 23 are welded to the outer wall of the barrel 2, and the flange 1 12 and the connecting flange 1 22 are locked by fasteners. The connecting flange 1 22 and the connecting flange 2 23 are arranged along the radial direction of the barrel 2, the outer circumference of the flange 1 12 is provided with a plurality of mounting holes 1 123 according to an annular array, and the connecting flange 1 22 is provided with a plurality of mounting holes 2 221 according to an annular array, the plurality of mounting holes 1 123 and the plurality of mounting holes 2 221 are arranged one by one, and bolts are arranged in the mounting holes 1 123 and the corresponding mounting holes 2 221, and the bolts are locked by nuts. A reinforcing flange 24 is provided on the outer wall of the barrel 2, and the reinforcing flange 24 is located at the middle position of the outer wall of the barrel 2.

[0034] Reference Figure 7 , 8 As shown, the upper cover 3 includes a flange 32, a sleeve 233 and a positioning sleeve 34. The flange 32, the sleeve 233 and the positioning sleeve 34 are coaxially arranged. The sleeve 233 and the positioning sleeve 34 are both connected to the flange 32. The plurality of adjusting screws 231 are arranged on the sleeve 23. The positioning sleeve 34 is used to press the redirecting roller. The outer wall of the flange 32 is provided with a plurality of protrusions 321. The plurality of protrusions 321 are arranged in a circular array. The protrusions 321 are in contact with the inner wall of the barrel 2. The flange 32 is provided with a plurality of weight-reducing holes 322. The weight-reducing holes 322 are circular through holes. The center of the flange 32 is provided with a circular through hole 323. The sleeve 233 is arranged on the inner wall of the circular through hole 323.

[0035] When the redirecting roller polyurethane pouring device of the utility model is used:

[0036] The arrangement order of the base 1, the barrel 2 and the upper cover 3 is from bottom to top. The base 1 is placed horizontally on a stable installation surface in the axial direction, and then the base 1 is sleeved on one end of the redirecting roller, and four adjusting screws 11 are adjusted to make the shaft head of one end of the redirecting roller align with the base 1, and then the redirecting roller is taken off the base 1, and the base 1 is changed to be set in the vertical direction of the axis, and the barrel 2 is assembled and connected with the base 1 in sequence, and the redirecting roller is vertically inserted into the barrel 2, and the shaft head of the lower end of the redirecting roller is located between the four adjusting screws 11, and then the upper cover 3 is sleeved on the shaft head at the upper end of the redirecting roller, and several adjusting screws 31 are adjusted to make the upper cover 3 and the redirecting roller align, and the upper cover 3 is embedded in the mold barrel, and the protrusions 321 around the upper cover 3 are clearance-matched with the inner wall of the barrel 2, so as to realize the centering of the barrel 2 and the upper cover 3, and the mold is assembled, and polyurethane is injected into the gap between the redirecting roller and the barrel 2 of the mold to complete the casting.

[0037] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A redirecting roller polyurethane casting device, characterized in that: include, A base, which is arranged at the lower end of the casting device as a bottom support, and the base is provided with a plurality of adjusting screws, which are arranged in a circular array and are used to adjust the alignment between the shaft head at one end of the redirecting roller and the base; A cylinder body, which is provided with at least one, the cylinder body is a cylinder made of rolled steel plates, the lower end of the cylinder body is connected to the base, the cylinder body is used to accommodate the cylinder body of the redirecting roller, a gap is provided between the inner wall of the cylinder body and the outer wall of the redirecting roller, and the gap is used to inject polyurethane to cast the redirecting roller; The upper cover is connected to the upper end of the barrel, and is provided with a plurality of adjusting screws 2 arranged in a circular array, and is used to adjust the alignment of the shaft head at the other end of the redirecting roller with the upper cover.

2. The polyurethane casting device for redirecting rollers according to claim 1, characterized in that: The base includes flange 1, flange 2, a plurality of connecting plates 1 and sleeve 1. Flange 1 and flange 2 are both circular flanges, and flange 1 and flange 2 are coaxially arranged. The plurality of connecting plates 1 are arranged between flange 1 and flange 2. The sleeve 1 and flange 2 are connected to the opposite end faces of flange 1.

3. The polyurethane casting device for redirecting roller according to claim 2 is characterized in that: The sleeve one is a circular cylinder, and the sleeve one, flange one and flange two are coaxially arranged. The plurality of adjusting screws one are arranged on the sleeve one in a circular array with the center of the sleeve one as the center of the circle, and the shaft head at one end of the redirecting roller extends into the sleeve one.

4. The polyurethane casting device for redirecting rollers according to claim 2 or 3, characterized in that: A circular step is provided on the end surface of the flange 1 opposite to the barrel, and an annular groove is provided on the inner wall at one end of the barrel in the axial direction, and the step is arranged in the annular groove.

5. The polyurethane casting device for redirecting rollers according to claim 4 is characterized in that: The two ends of the outer wall of the barrel in the axial direction are respectively provided with a connecting flange 1 and a connecting flange 2, and the flange 1 and the connecting flange 1 are locked by fasteners.

6. The polyurethane casting device for redirecting rollers according to claim 4, characterized in that: A reinforcement flange is arranged on the outer wall of the cylinder body, and the reinforcement flange is located at the middle position of the outer wall of the cylinder body.

7. The polyurethane casting device for redirecting rollers according to claim 5, characterized in that: The connecting flange 1 and the connecting flange 2 are welded to the outer wall of the barrel.

8. The polyurethane casting device for redirecting roller according to claim 1, characterized in that: The upper cover includes a flange three, a sleeve two and a positioning sleeve. The flange three, sleeve two and the positioning sleeve are coaxially arranged. The sleeve two and the positioning sleeve are both connected to the flange three. The plurality of adjusting screws two are arranged on the sleeve two. The positioning sleeve is used to press the redirecting roller.

9. The polyurethane casting device for redirecting rollers according to claim 8, characterized in that: A plurality of protrusions are arranged on the outer wall of the flange three, and the plurality of protrusions are arranged in a circular array. The protrusions are in contact with the inner wall of the cylinder body.

10. The polyurethane casting device for redirecting rollers according to claim 9, characterized in that: The flange plate 3 is provided with a plurality of weight-reducing holes, and the weight-reducing holes are circular through holes.