EPDM (ethylene-propylene-diene monomer) sponge roller
By employing a grooved structure and limiting mechanism between the rubber sleeve and PVC pipe in the EPDM sponge roller, the problem of delamination is solved, resulting in a smooth surface, strong acid and alkali resistance, extended service life, reduced costs, and improved production efficiency.
Patent Information
- Application Number
- CN202520234722.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing EPDM sponge rollers are prone to adhesive detachment when directly wrapped with cotton after applying glue to the outside of PVC pipes, resulting in rough surfaces, holes, powder shedding, contamination of the chemical bath, and impact on PCB quality.
The groove between the rubber sleeve and the PVC pipe is used instead of glue, and combined with the limiting mechanism, it ensures a stable connection between the rubber sleeve and the PVC pipe. The surface of the rubber cotton is smooth, and HPVC material is used to improve acid and alkali resistance and chemical resistance.
It avoids degumming, has a smooth surface without powdering, extends service life, reduces overall costs, and improves production yield.
Smart Images
Figure CN223670949U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of sponge roller, concretely relates to a EPDM sponge roller. BACKGROUND
[0002] Sponge roller is a tool made of sponge material, the surface is covered with abrasive, and is mainly used for polishing, grinding, cleaning and decontamination. It is usually composed of sponge, glue, abrasive, processing technology and other materials, and the EPDM sponge roller is a roller with a sponge-like tire material surface, which has multiple properties and wide application fields.
[0003] The existing EPDM sponge roller is directly sleeved with cotton after brushing glue on the PVC pipe, which may cause delamination, and the cotton surface is rough and has holes after grinding after the PVC pipe is processed in concentricity, which may cause powder pollution of the medicine tank and dirt adsorption in the holes, and the PCB may have quality problems due to reverse sticking on the plate surface.
[0004] Therefore, it is necessary to provide an EPDM sponge roller to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model discloses a kind of EPDM sponge rollers, recess is equipped between glue sleeve and PVC pipe, compared with the way of traditional gluing, avoid the occurrence of delamination, and rubber cotton is set on the outside of PVC pipe, and compared with traditional cotton, the surface is smooth, there is no phenomenon of powder dropping, while HPVC is more resistant to acid and alkali and drug, longer in use cycle, help customers reduce comprehensive cost, improve production yield, to solve the problems that the existing EPDM sponge roller in the above background technology appears delamination after brushing glue on the PVC pipe, and then directly sleeving cotton, PVC pipe is processed in concentricity after grinding after sleeving cotton, the surface of cotton is rough and has holes, which may cause powder pollution of the medicine tank and dirt adsorption in the holes, and the PCB may have quality problems due to reverse sticking on the plate surface.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of EPDM sponge roller, including glue sleeve;
[0007] PVC pipe is arranged in the glue sleeve, recess is formed on the outside of the PVC pipe, rubber cotton is arranged on the outside of the PVC pipe, limit slot is formed on the inside of the PVC pipe, and copper core is fixedly arranged in the inside of the PVC pipe.
[0008] Mounting block is mounted on the two sides of PVC pipe, and is used for splicing installation, limit mechanism is arranged in the inside of the mounting block, and connecting rod is fixedly connected to the rear side of the mounting block.
[0009] Preferably, the rubber sleeve is attached to the PVC pipe, and the grooves are arranged at equal intervals on the PVC pipe.
[0010] Preferably, the rubber sleeve is made of HPVC (high polymerization degree polyvinyl chloride), and the rubber cotton is made of EPDM / NBR (ethylene propylene diene monomer / nitrile rubber).
[0011] Preferably, the limiting mechanism comprises a movable block, the movable block is slidably connected to the upper and lower sides of the mounting block, the rear side of the movable block is fixedly connected with a connecting plate, the rear side of the connecting plate is fixedly provided with a first spring, the lower inner side of the connecting plate is fixedly connected with a plug, one end of the plug is movably sleeved with a pressing block, and the inner surface of the pressing block is provided with an inclined groove.
[0012] Preferably, the movable block, the connecting plate and the plug are integrally arranged, one end of the plug is arranged at an oblique angle, and the inclined groove of the pressing block is used in cooperation with the plug.
[0013] Preferably, the lower side of the pressing block is fixedly provided with a second spring, and the upper side of the pressing block is fixedly connected with a limiting column.
[0014] In the above technical solution, the technical effects and advantages of the present application are provided:
[0015] 1. By arranging the rubber sleeve, the PVC pipe, the grooves and the rubber cotton, the grooves arranged between the rubber sleeve and the PVC pipe can avoid the occurrence of glue separation compared with the traditional glue coating method. The rubber cotton arranged outside the PVC pipe is grinded and then sleeved with the rubber sleeve. Compared with the traditional cotton, the surface of the rubber sleeve is smooth and does not have the phenomenon of powder falling. The HPVC has stronger acid and alkali resistance and drug resistance, has a longer service life, reduces the comprehensive cost of customers and improves the production yield.
[0016] 2. By arranging the limiting mechanism, the PVC pipe can be conveniently installed. The mounting block is attached to the two sides of the PVC pipe. After the mounting block is attached to the PVC pipe, the first spring at the rear side of the pressing movable block and the connecting plate is extruded. The plug is driven to move, so that the plug leaves the inclined groove in the pressing block. The pressing block loses the extrusion of the plug. The second spring below is used to rebound and push the limiting column to be inserted into the grooves on the upper and lower sides of the PVC pipe, so that the installation is completed. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.
[0018] Figure 1 It is a schematic diagram of the overall structure of the present application.
[0019] Figure 2 It is the structure schematic diagram of PVC pipe and rubber sleeve of the utility model;
[0020] Figure 3 It is the structure schematic diagram of mounting block of the utility model;
[0021] Figure 4 It is the structure schematic diagram of limiting mechanism of the utility model;
[0022] Figure 5 It is the structure schematic diagram of limiting column of the utility model.
[0023] Mark explanation:
[0024] 1, rubber sleeve, 2, PVC pipe, 3, groove, 4, rubber cotton, 5, limiting groove, 6, copper core, 7, mounting block, 8, limiting mechanism, 801, movable block, 802, connecting plate, 803, first spring, 804, plug, 805, extrusion block, 806, inclined slot, 807, second spring, 808, limiting column, 9, connecting rod. Specific implementation
[0025] In order to make the technical personnel in the field better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.
[0026] The utility model provides a kind of EPDM sponge roller as shown in Figures 1-5 Including rubber sleeve 1,
[0027] PVC pipe 2 is arranged inside rubber sleeve 1, recess 3 is formed in the outside of PVC pipe 2, rubber cotton 4 is arranged on the both sides of the outside of PVC pipe 2, limiting groove 5 is formed in the both sides of the inside of PVC pipe 2, and copper core 6 is fixedly arranged in the inside of PVC pipe 2.
[0028] Mounting block 7 is mounted on the both sides of PVC pipe 2, for splicing installation, limiting mechanism 8 is arranged in the inside of mounting block 7, connecting rod 9 is fixedly connected to the rear side of mounting block 7, recess 3 is arranged between rubber sleeve 1 and PVC pipe 2, compared with the traditional gluing mode, avoid the occurrence of degumming, and rubber cotton 4 is arranged on the outside of PVC pipe 2, after grinding, rubber sleeve 1 is sleeved, compared with traditional cotton, surface is smooth, there is no phenomenon of powder falling, PVC is more resistant to acid and alkali and more resistant to drugs, and the use cycle is longer, the comprehensive cost of customer is reduced, and the production yield is improved.
[0029] As shown in Figure 1 、 Figure 2 And Figure 3As shown, the rubber sleeve 1 is attached to the PVC pipe 2, and the grooves 3 are evenly distributed on the PVC pipe 2. The rubber sleeve 1 is sleeved on the PVC pipe 2, and the multiple grooves 3 on the outer part of the PVC pipe 2 replace the gluing to avoid the occurrence of delamination.
[0030] As shown in Figure 1 and Figure 2 , the material of the rubber sleeve 1 is HPVC high polymer polyvinyl chloride, and the material of the rubber cotton 4 is EPDM / NBR nitrile rubber. After the rubber cotton 4 on the outer part of the PVC pipe 2 is ground, the rubber sleeve 1 is sleeved. Compared with traditional cotton, the surface is smooth and there is no phenomenon of powder falling. At the same time, HPVC is more resistant to acid and alkali and more resistant to drugs, has a longer service life, helps customers reduce comprehensive costs, and improves production yield.
[0031] As shown in Figure 3 , Figure 4 and Figure 5 , the limiting mechanism 8 includes a movable block 801 slidably connected to the upper and lower sides inside the mounting block 7. The rear side of the movable block 801 is fixedly connected with a connecting plate 802, and the rear side of the connecting plate 802 is fixedly provided with a first spring 803. The lower inner side of the connecting plate 802 is fixedly connected with a plug block 804, one end of the plug block 804 is movably sleeved with an extrusion block 805, and the inner surface of the extrusion block 805 is provided with an inclined groove 806. The mounting block 7 is attached to the two sides of the PVC pipe 2, and after the mounting block 7 is attached to the PVC pipe 2, the first spring 803 on the rear side of the extrusion movable block 801 and the connecting plate 802 is extruded, and the plug block 804 is driven by the connecting plate 802 during movement, so that the plug block 804 is separated from the inclined groove 806 in the interior of the extrusion block 805, and the extrusion block 805 loses the extrusion of the plug block 804. The second spring 807 below is used to rebound and push the limiting column 808 to be inserted into the grooves 3 on the upper and lower sides of the PVC pipe 2, thereby completing the installation.
[0032] As shown in Figure 4 and Figure 5 , the movable block 801 is integrally provided with the connecting plate 802 and the plug block 804. One end of the plug block 804 is provided at an inclined angle, and the inner inclined groove 806 of the extrusion block 805 is used in cooperation with the plug block 804. When the plug block 804 is separated from the inclined groove 806 in the interior of the extrusion block 805, the extrusion block 805 will rebound and stretch using the second spring 807 below. At the same time, when the plug block 804 is inserted into the inclined groove 806 in the interior of the extrusion block 805, the extrusion block 805 will be extruded and drive the extrusion block 805 and the limiting column 808 above to descend.
[0033] As shown in Figure 4 and Figure 5As shown, the lower part of the extrusion block 805 is fixedly provided with a second spring 807, and the upper part of the extrusion block 805 is fixedly connected with a limiting column 808, when the extrusion block 805 loses the limiting of the plug block 804, the second spring 807 under the extrusion block 805 is extruded to push the limiting column 808 on the upper part to insert into the groove 3 in the PVC pipe 2 to form a limiting installation.
[0034] The utility model works as follows: the groove 3 between the rubber sleeve 1 and the PVC pipe 2 is used, compared with the traditional gluing method, the rubber sleeve 1 is avoided from being separated from the PVC pipe 2, the rubber cotton 4 outside the PVC pipe 2 is ground and then the rubber sleeve 1 is sleeved, compared with the traditional cotton, the surface is smooth and no powder phenomenon occurs, the HPVC is more resistant to acid and alkali and more resistant to drugs, the use cycle is longer, the comprehensive cost of the customer is reduced, the production yield is improved, then the mounting block 7 is attached to the two sides of the PVC pipe 2, the first spring 803 on the rear side of the extrusion movable block 801 and the connecting plate 802 is extruded after the mounting block 7 is attached to the PVC pipe 2, the plug block 804 is driven to make the plug block 804 leave the inclined groove 806 in the extrusion block 805, the extrusion block 805 loses the extrusion of the plug block 804, the second spring 807 under the extrusion block 805 is extruded to push the limiting column 808 to be inserted into the groove 3 in the PVC pipe 2, so that the installation is completed, and the use process of the EPDM sponge roller is completed.
[0035] The above only describes some exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways, therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.
Claims
1. An EPDM sponge roller characterized by: Including rubber sleeve (1); PVC pipe (2) is arranged inside rubber sleeve (1), recess (3) is set up on the outside of PVC pipe (2), rubber cotton (4) is arranged on the both sides of the outside of PVC pipe (2), limit slot (5) is set up on the both sides of the inside of PVC pipe (2), copper core (6) is fixedly arranged in the inside of PVC pipe (2); Mounting block (7) is installed on the both sides of PVC pipe (2), is used for splicing installation, limit mechanism (8) is arranged in the inside of mounting block (7), connecting rod (9) is fixedly connected on the rear side of mounting block (7).
2. The EPDM sponge roller as claimed in claim 1, wherein: The rubber sleeve (1) is attached to the PVC pipe (2), and the recess (3) is distributed at equal intervals on the PVC pipe (2).
3. The EPDM sponge roller as claimed in claim 1, wherein: The material of the rubber sleeve (1) is HPVC high polymerization degree polyvinyl chloride, and the material of the rubber cotton (4) is EPDM / NBR butyronitrile rubber.
4. The EPDM sponge roller of claim 1, wherein: The limit mechanism (8) includes a movable block (801), the movable block (801) is slidably connected inside the mounting block (7) up and down, the rear side of the movable block (801) is fixedly connected with a connecting plate (802), the rear side of the connecting plate (802) is fixedly provided with a first spring (803), the lower inner side of the connecting plate (802) is fixedly connected with an insertion block (804), one end of the insertion block (804) is movably sleeved with an extrusion block (805), and the inner surface of the extrusion block (805) is provided with an inclined groove (806).
5. An EPDM sponge roller as claimed in claim 4, characterized in that: The movable block (801) is integrally arranged with the connecting plate (802) and the insertion block (804), one end of the insertion block (804) is arranged at an oblique angle, and the inclined groove (806) of the extrusion block (805) is used in cooperation with the insertion block (804).
6. An EPDM sponge roller as claimed in claim 4, wherein: The lower side of the extrusion block (805) is fixedly provided with a second spring (807), and the upper side of the extrusion block (805) is fixedly connected with a limit column (808).