Anti-deformation rubber roller

By designing compressive support members in the printing rubber roller, including the inner compressive frame and the inner support rib, the problem of insufficient compressive and deformation resistance of the existing rubber rollers is solved, and the compression and deformation resistance and service life of the rubber roller are significantly improved.

CN222844986UActive Publication Date: 2025-05-09ZHEJIANG HENGNAI POLYURETHANE TECH CO LTD
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Patent Information

Application Number
CN202421724386.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-20
Publication Date
2025-05-09
Estimated Expiration
2034-07-20

AI Technical Summary

Technical Problem

The existing printing rubber roller has a simple structure, poor compression and deformation resistance, easy to deform, not durable enough, and affects service life.

Method used

A deformation-resistant rubber roller is designed, including a roller core, a rubber roller sleeve, an end limit cover and a compressive support. The compression support is composed of an inner compression frame and an inner support rib. The inner compression frame is in an I-shaped shape, and the inner support rib is a hollow columnar structure. A bearing hole is provided on the inner support rib so that heat is brought out.

Benefits of technology

Through the design of the compressive support, good support effect is obtained between the rubber roller sleeve and the roller body, and the inner compressive frame connects the roller core and the rubber roller sleeve to prevent deformation and improve the compressive and deformation resistance and service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of rubber covered rollers, and particularly relates to an anti-deformation rubber covered roller, which comprises a roller core, a rubber covered roller and a rubber covered roller, the roller core is sleeved with the rubber roller sleeve; the end limiting cover is arranged on the roller shaft in a sleeving mode and abuts against the end face of the roller core and the end face of the rubber roller sleeve; and a plurality of uniformly distributed compression-resistant supporting pieces are arranged between the roller core and the rubber roller sleeve.
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Description

Technical Field

[0001] The utility model belongs to the technical field of rubber rollers, in particular to an anti-deformation rubber roller. Background Art

[0002] The rubber roller is a roll-shaped product made of metal or other materials as the core and rubber covered by vulcanization. It is an important component of the printing machine. The rubber roller has moderate hardness and elasticity, high oil resistance, washing solvent resistance, wear resistance and shape stability. However, the existing printing rubber roller has a simple structure and poor compression and deformation resistance, which makes it easy for the printing rubber roller to deform and is not durable enough, which affects the service life of the rubber roller. Utility Model Content

[0003] The purpose of the utility model is to provide a rubber roller with simple structure, long service life and pressure resistance in view of the above-mentioned technical problems.

[0004] In view of this, the utility model provides an anti-deformation rubber roller, comprising:

[0005] A roller core, with roller shafts formed at both ends of the roller core;

[0006] The rubber roller sleeve is arranged outside the roller core;

[0007] An end limit cover is sleeved on the roller shaft and abuts against the end surface of the roller core and the end surface of the rubber roller sleeve;

[0008] Compression-resistant support members: a plurality of evenly distributed compression-resistant support members are arranged between the roller core and the rubber roller sleeve.

[0009] In the above technical solution, further, the compression support member includes:

[0010] Internal compression frames, several internal compression frames are evenly distributed around the circumference;

[0011] One side of the inner pressure-resistant frame is connected to the roller core and the other side is connected to the rubber roller sleeve, and the roller core and the rubber roller sleeve are formed with pressure-resistant grooves for the inner pressure-resistant frame to be placed and matched, and the pressure-resistant grooves extend from one end surface of the roller core and the rubber roller sleeve to the other end surface.

[0012] In the above technical solution, further, the inner compression frame includes:

[0013] An upper support portion, the cross section of which is arc-shaped and is located on the rubber roller sleeve;

[0014] A lower support portion, the cross section of which is linear and located on the roller core;

[0015] A middle connecting portion, which extends from the middle of the upper supporting portion to the middle of the lower supporting portion and is formed in one piece;

[0016] And the internal compression frame is in an I-shape as a whole.

[0017] In the above technical solution, further, it also includes:

[0018] Internal supporting ribs, several internal supporting ribs are evenly distributed along the circumference, and the internal supporting ribs and the internal compression frames are distributed alternately.

[0019] In the above technical solution, further, the inner supporting rib is a hollow columnar structure connected at both ends, the inner supporting rib is arranged in the rubber roller sleeve, a supporting groove for the inner supporting rib is formed in the rubber roller sleeve, and the two ends of the rubber roller sleeve are flush with the end surface of the rubber roller sleeve.

[0020] In the above technical solution, further, it also includes:

[0021] The receiving holes are evenly distributed on the inner supporting ribs, and the receiving holes are connected with the hollow parts of the inner supporting ribs.

[0022] In the technical solution, the provision of the receiving hole can facilitate the heat in the rubber roller sleeve to be brought out, thereby increasing the service life of the entire rubber roller.

[0023] In the above technical solution, further, the cross-section of the internal supporting rib is a hollow structure with an isosceles trapezoidal shape.

[0024] In the above technical solution, further, it also includes:

[0025] Heat dissipation holes, a plurality of heat dissipation holes are evenly distributed on the end limit cover according to the circumference, and the heat dissipation holes are connected with the hollow part of the inner supporting rib.

[0026] The beneficial effects of the utility model are:

[0027] 1. The compression support plays a good supporting role between the rubber roller cover and the roller body;

[0028] 2. The internal compression frame connects the roller core and the rubber roller cover, and at the same time provides good support for the rubber roller cover to prevent the rubber roller from deforming. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the utility model;

[0030] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0031] The markings in the figure are as follows: 1-roller core, 2-rubber roller sleeve, 3-end limit cover, 4-inner pressure-resistant frame, 4a-upper support part, 4b-lower support part, 4c-middle connecting part, 5-inner support rib, 6-heat dissipation hole. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0033] Embodiment 1:

[0034] This embodiment provides an anti-deformation rubber roller, comprising:

[0035] A roller core 1, with roller shafts formed at both ends of the roller core 1;

[0036] The rubber roller cover 2 is sleeved outside the roller core 1;

[0037] An end limit cover 3 is sleeved on the roller shaft and abuts against the end surface of the roller core 1 and the end surface of the rubber roller sleeve 2;

[0038] Compression-resistant support members: a plurality of evenly distributed compression-resistant support members are arranged between the roller core 1 and the rubber roller cover 2 .

[0039] In the present technical scheme, the roller body plays a good supporting role in the rubber roller, and the roller shaft can facilitate the installation and fixation of the rubber roller; the rubber roller cover 2 is made of polyurethane rubber, and is sleeved outside the roller body and limited by the end limit cover 3, and the compression support member is assembled on the roller body after the rubber roller cover 2 is sleeved on the roller body; and the set compression support member plays a good supporting effect between the rubber roller cover 2 and the roller body, thereby improving the overall compression and deformation resistance and service life of the rubber roller.

[0040] Embodiment 2:

[0041] This embodiment provides an anti-deformation rubber roller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0042] The compression support includes:

[0043] An internal pressure-resistant frame 4, wherein a plurality of internal pressure-resistant frames 4 are evenly distributed around the circumference;

[0044] One side of the inner pressure-resistant frame 4 is connected to the roller core 1 and the other side is connected to the rubber roller cover 2, and pressure-resistant grooves for the inner pressure-resistant frame 4 to be placed and matched are formed on the roller core 1 and the rubber roller cover 2, and the pressure-resistant grooves extend from one end surface of the roller core 1 and the rubber roller cover 2 to the other end surface.

[0045] In the present technical solution, the internal compression frame 4 serves to connect the roller core 1 and the rubber roller cover 2, and at the same time can provide good support for the rubber roller cover 2; and the compression support is made of metal material, thereby improving the overall compression and deformation resistance of the rubber roller; at the same time, the provision of the compression support can improve the strength of the connection between the roller core 1 and the rubber roller cover 2, and better transmit torque, and enable the rubber roller cover 2 to be fixed to the roller core 1 without adhesive or the like, thereby facilitating the later maintenance of the rubber roller.

[0046] Embodiment 3:

[0047] This embodiment provides an anti-deformation rubber roller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0048] The inner compression frame 4 comprises:

[0049] The upper support portion 4a has an arc-shaped cross section and is located on the rubber roller cover 2;

[0050] A lower support portion 4b, the cross section of which is linear and is located on the roller core 1;

[0051] A middle connecting portion 4c, which extends from the middle of the upper supporting portion 4a to the middle of the lower supporting portion 4b and is integrally formed;

[0052] The inner compression frame 4 is in an I-shape as a whole.

[0053] In the present technical solution, the upper support portion 4a can provide good support for the rubber roller cover 2, thereby preventing the rubber roller cover 2 from being deformed; the lower support portion 4b can facilitate connection with the roller core 1, while ensuring the stability of the connection between the inner pressure-resistant frame 4 and the roller core 1; the middle connecting piece is used to connect the upper support portion 4a and the lower support portion 4b; and the inner pressure-resistant frame 4 is in an I-shape, thereby ensuring the overall structural strength and stability of the inner pressure-resistant frame 4.

[0054] Embodiment 4:

[0055] This embodiment provides an anti-deformation rubber roller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0056] Also includes:

[0057] Internal supporting ribs 5 , a plurality of internal supporting ribs 5 are evenly distributed along the circumference, and the internal supporting ribs 5 and the internal compression frames 4 are alternately distributed.

[0058] In the present technical solution, the arrangement of the inner supporting ribs 5 can further enhance the stability of the overall structure of the rubber roller.

[0059] Embodiment 5:

[0060] This embodiment provides an anti-deformation rubber roller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0061] The inner supporting rib 5 is a hollow columnar structure with two ends connected. The inner supporting rib 5 is arranged in the rubber roller sleeve 2. A supporting groove for accommodating the inner supporting rib 5 is formed in the rubber roller sleeve 2, and the two ends of the rubber roller sleeve 2 are flush with the end surface of the rubber roller sleeve 2.

[0062] In the present technical solution, the hollow cylindrical inner support ribs 5 reduce the overall weight of the inner support ribs 5 and ensure that the inner support ribs 5 play a good reinforcing role on the rubber roller cover 2 and further provide good support for the rubber roller cover 2, thereby preventing the rubber roller from deforming.

[0063] Embodiment 6:

[0064] This embodiment provides an anti-deformation rubber roller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0065] Also includes:

[0066] The receiving holes are evenly distributed on the inner supporting rib 5 , and the receiving holes are connected to the hollow part of the inner supporting rib 5 .

[0067] In the present technical solution, the provision of the receiving hole can facilitate the heat in the rubber roller sleeve 2 to be taken out, thereby increasing the service life of the entire rubber roller.

[0068] Embodiment 7:

[0069] This embodiment provides an anti-deformation rubber roller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0070] The cross section of the inner supporting rib 5 is an isosceles trapezoidal hollow structure.

[0071] In the present technical solution, the trapezoidal structure can better ensure the stability of the structure of the inner supporting rib 5, thereby preventing the rubber roller from being deformed.

[0072] Embodiment 8:

[0073] This embodiment provides an anti-deformation rubber roller, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0074] Also includes:

[0075] Heat dissipation holes 6 , a plurality of heat dissipation holes 6 are evenly distributed on the end limit cover 3 along a circumference, and the heat dissipation holes 6 are connected to the hollow part of the inner support rib 5 .

[0076] In the present technical solution, the provision of the heat dissipation holes 6 can better remove the heat in the rubber roller during the operation of the rubber roller, thereby further improving the service life of the rubber roller.

[0077] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. An anti-deformation rubber roller, characterized in that: include: A roller core (1), wherein roller shafts are formed at both ends of the roller core (1); A rubber roller cover (2), wherein the rubber roller cover (2) is sleeved outside the roller core (1); An end limit cover (3), wherein the end limit cover (3) is sleeved on the roller shaft and abuts against the end surfaces of the roller core (1) and the rubber roller sleeve (2); Compression-resistant support members: a plurality of evenly distributed compression-resistant support members are arranged between the roller core (1) and the rubber roller cover (2).

2. The anti-deformation rubber roller according to claim 1, characterized in that: The compression support includes: An internal pressure-resistant frame (4), wherein a plurality of the internal pressure-resistant frames (4) are evenly distributed along the circumference; One side of the inner pressure-resistant frame (4) is connected to the roller core (1) and the other side is connected to the rubber roller cover (2), and pressure-resistant grooves for the inner pressure-resistant frame (4) to be placed and matched are formed on the roller core (1) and the rubber roller cover (2).

3. The anti-deformation rubber roller according to claim 2, characterized in that: The inner compression frame (4) comprises: An upper support portion (4a), wherein the upper support portion (4a) has an arc-shaped cross section and is located on the rubber roller sleeve (2); A lower support portion (4b), wherein the lower support portion (4b) has a straight cross section and is located on the roller core (1); A middle connecting portion (4c), wherein the middle connecting portion (4c) extends from the middle portion of the upper supporting portion (4a) to the middle portion of the lower supporting portion (4b) and is integrally formed; The internal compression frame (4) is in an I-shape as a whole.

4. The anti-deformation rubber roller according to claim 3, characterized in that: Also includes: Internal support ribs (5), wherein a plurality of the internal support ribs (5) are evenly distributed along the circumference, and the internal support ribs (5) and the internal compression frames (4) are alternately distributed.

5. The anti-deformation rubber roller according to claim 4, characterized in that: The inner supporting rib (5) is in the form of a hollow columnar structure with two ends connected. The inner supporting rib (5) is arranged inside the rubber roller sleeve (2), and the two ends are flush with the end surface of the rubber roller sleeve (2).

6. The anti-deformation rubber roller according to claim 5, characterized in that: Also includes: The receiving holes are evenly distributed on the inner supporting rib (5), and the receiving holes are connected to the hollow part of the inner supporting rib (5).

7. The anti-deformation rubber roller according to claim 6, characterized in that: The cross section of the inner supporting rib (5) is an isosceles trapezoidal hollow structure.

8. The anti-deformation rubber roller according to claim 7, characterized in that: Also includes: Heat dissipation holes (6), wherein a plurality of the heat dissipation holes (6) are evenly distributed on the end limit cover (3) along a circumference, and the heat dissipation holes (6) are connected to the hollow part of the inner support rib (5).