Disc on roller and machining die thereof

Abstract

The utility model relates to the technical field of silica gel discs, and discloses a disc on a roller and a processing mould thereof, the disc comprises an outer disc body, an inner disc body, a limiting bulge, a disc through hole and an anti-attrition layer, the outer disc body and the inner disc body are annularly arranged, the inner side of the outer disc body is connected with the outer side of the inner disc body, the limiting bulge is arranged on the inner side of the inner disc body, the disc through hole is arranged on the inner side of the inner disc body, and the anti-attrition layer is arranged on the outer side of the inner disc body. The center of the outer disc body, the center of the inner disc body and the center of the disc through hole are arranged on the same center line, and anti-attrition layers are arranged on the outer disc body, the inner disc body and the limiting protrusions. The processing mold comprises a fixed mold, a movable mold, a fixed mold cavity, a movable mold cavity, an injection molding runner and a glue injection port, the fixed mold cavity is arranged on the fixed mold, the movable mold cavity, the injection molding runner and the glue injection port are arranged on the movable mold, the injection molding runner is arranged on the movable mold cavity, the glue injection port is arranged above the injection molding runner, and the glue injection port is communicated with the movable mold cavity through the injection molding runner. And the movable mold cavity and the fixed mold cavity define a mold cavity for processing a disc on the roller. According to the silica gel disc, durability is achieved, and air friction resistance is reduced; and mass production of the silica gel disc can also be carried out.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silica gel disc, specifically relates to a disc on the roller and its processing mould. BACKGROUND

[0002] The silica gel wheel is a kind of wheel-shaped article formed by single vulcanization using room temperature silica gel as base material and adding fixed proportion hydrocarbon element material.It has multiple purposes and characteristics, and is suitable for different industrial fields.During processing, in order to save material and reduce the weight of the wheel, some hollow structure design is made to the middle part of the wheel.For the hollow structure on the silica gel wheel, the hollow structure is easy to adsorb some small objects during rotation, and also generates air friction resistance to air, which damages the power of the silica gel wheel and the durability of the silica gel wheel etc.Later, people increase protective cover on the outside of the silica gel wheel, similar to automobile hub cover.However, the protective cover on the market is single plastic material, some of which are hard material, and the protective cover is easy to be damaged.Some small objects are prevented by the protective cover, but the air friction resistance generated by the protective cover and air is increased, which affects the use effect of the silica gel wheel.The processing of the silica gel disc is complicated, and batch production of the silica gel disc cannot be well carried out etc.

[0003] Therefore, the technical field of the existing silica gel disc (protective cover) needs to be further designed. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at overcoming the phenomenon of easy breakage, increasing air friction resistance etc. in the technical field of the existing silica gel disc, and the problem of being unable to carry out batch production etc. Through rational design on the technology of silica gel disc, outer disc body, inner disc body, limiting protrusion, disc through hole and wear-reducing layer are used, the durability of the silica gel disc and the reduction of air friction resistance etc. can be realized, and fixed mould, movable mould, fixed mould cavity, movable mould cavity, injection flow channel and glue injection port are used, batch production of the silica gel disc etc. can be carried out.

[0005] The technical scheme of the utility model is as follows:

[0006] A disc on the roller and its processing mould, the disc on the roller comprises: outer disc body, inner disc body, limiting protrusion, disc through hole and wear-reducing layer, the outer disc body and the inner disc body are annularly arranged, the inner side of the outer disc body is connected with the outer side of the inner disc body, the limiting protrusion is arranged on the inner side of the inner disc body, the disc through hole is arranged on the inner side of the inner disc body, the centers of the outer disc body, the inner disc body and the disc through hole are arranged on the same center line, the wear-reducing layer is arranged on the outer disc body, the inner disc body and the limiting protrusion, and the wear-reducing layer is used to reduce the friction of objects.

[0007] Further, the thickness of the outer disc body is less than the thickness of the inner disc body.

[0008] Further, the cross section of the outer disc body is arranged in a right trapezoid shape.

[0009] Further, the inner disc body is arranged in a cylindrical ring shape.

[0010] Further, the outer disc body, the inner disc body, the limiting protrusions and the disc through hole are made of silica gel.

[0011] Further, the outer disc body, the inner disc body, the limiting protrusions and the disc through hole are integrally formed.

[0012] Further, the outer disc body, the inner disc body and the disc through hole are all arranged in a circular shape.

[0013] Further, the limiting protrusions are at least three, and the limiting protrusions are equally distributed on the inner disc body.

[0014] Further, the wear-reducing layer comprises an adhesive layer and a wear-reducing protective layer, the adhesive layer is arranged on the outer disc body, the inner disc body and the limiting protrusions, and the wear-reducing protective layer is arranged on the adhesive layer.

[0015] Further, the wear-reducing protective layer is a wear-reducing protective layer deposited on the adhesive layer by a magnetron sputtering technology with molybdenum disulfide and polytetrafluoroethylene.

[0016] Further, the adhesive layer is an adhesive layer made of organic silicone pressure-sensitive adhesive.

[0017] Further, the processing mold comprises a fixed mold, a movable mold, a fixed mold cavity, a movable mold cavity, an injection flow channel and a glue injection port, the fixed mold cavity is arranged on the fixed mold, the movable mold cavity, the injection flow channel and the glue injection port are arranged on the movable mold, the injection flow channel is arranged above the movable mold cavity, the glue injection port is arranged above the injection flow channel, the glue injection port is in communication with the movable mold cavity through the injection flow channel, and the movable mold cavity and the fixed mold cavity surround the mold cavity of the disc on the processing roller.

[0018] Further, the injection flow channel is arranged in an "X" shape, the ends of the injection flow channel are arranged in a "Y" shape, the ends of the injection flow channel are connected to the movable mold cavity, and the distance between the ends of the injection flow channel and the glue injection port is the same.

[0019] Further, the fixed mold comprises a fixed mold bottom plate and a fixed mold plate, the fixed mold plate is arranged on the fixed mold bottom plate, and the fixed mold cavity is arranged on the fixed mold bottom plate and the fixed mold plate.

[0020] Further, the movable mold comprises a movable mold plate and a movable mold top plate, the movable mold top plate is arranged on the movable mold plate, the glue injection port is arranged on the movable mold top plate, and the injection flow channel and the movable mold cavity are arranged on the movable mold plate.

[0021] Advantages

[0022] The utility model discloses a reasonable design to the technology of silica gel tray, adopts outer disc body, inner disc body, spacing protrusion, disc through -hole and wear -reducing layer, can realize silica gel tray's durability and reduce air friction resistance etc. ; Adopting fixed mould, movable mould, fixed mould cavity, movable mould cavity, injection flow channel and injection glue mouth, can carry out batch production such as silica gel tray. The inner disc body of protruding can make silica gel tray better clamping on the axle hole of gyro wheel, adopt spacing protrusion and the combination of inner disc body, can realize the effective spacing clamping of external clamping piece and silica gel tray, prevent the relative sliding of silica gel tray and external clamping piece etc. ; Adopt disc through -hole, can realize external clamping piece and gyro wheel and connect such as gyro wheel's rotating shaft connection etc. ; Adopt the adhesion layer and wear -reducing protective layer, especially through magnetron sputtering technology and deposit the wear -reducing protective layer and organic silicon pressure sensitive adhesive's adhesion layer of molybdenum disulfide and polytetrafluoroethylene on the adhesion layer, can realize the wear -reducing protective layer that better adheres on silica gel tray, reduces the air friction resistance when gyro wheel rotates etc. ; Adopt processing mould and can realize the batch production of eight silica gel trays of a injection glue mouth. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is structure schematic drawing of the disc on the gyro wheel of the utility model.

[0024] Figure 2 It is another angle structure schematic drawing of the disc on the gyro wheel of the utility model.

[0025] Figure 3 It is structure schematic drawing of the processing mould of the disc on the gyro wheel of the utility model.

[0026] Figure 4 It is explosion structure schematic drawing of the processing mould of the disc on the gyro wheel of the utility model.

[0027] Figure 5 It is another explosion structure schematic drawing of the processing mould of the disc on the gyro wheel of the utility model.

[0028] Figure 6 It is layer structure schematic drawing of the wear -reducing layer of the disc on the gyro wheel of the utility model.

[0029] Drawing reference: 01, outer disc body;02, inner disc body;03, spacing protrusion;04, disc through -hole;05, inner disc recess;11, injection glue mouth;12, movable mould top plate;13, movable mould plate;14, fixed mould plate;15, fixed mould bottom plate;16, injection flow channel;17, fixed mould cavity;18, movable mould cavity;21, wear -reducing protective layer;22, adhesion layer;23, silica gel layer. DETAILED DESCRIPTION

[0030] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] Referring to Figures 1-6 The disc on the roller provided by the present application comprises: an outer disc body 01, an inner disc body 02, a limiting protrusion 03, a disc through hole 04 and an anti-friction layer, the outer disc body 01, the inner disc body 02, the limiting protrusion 03 and the disc through hole 04 are all made of silica gel material; the outer disc body 01, the inner disc body 02 and the disc through hole 04 are all circular in shape;

[0032] The outer disc body 01 and the inner disc body 02 are both annular in shape, the inner side of the outer disc body 01 is connected to the outer side of the inner disc body 02, the inner side of the inner disc body 02 is provided with the limiting protrusion 03, the disc through hole 04 is arranged on the inner side of the inner disc body 02, the centers of the outer disc body 01, the inner disc body 02 and the disc through hole 04 are arranged on the same center line, the outer disc body 01, the inner disc body 02 and the limiting protrusion 03 are all provided with the anti-friction layer, and the anti-friction layer is used to reduce the friction of objects;

[0033] The inner disc body 02 is further provided with an inner disc groove 05 on the inner side, and the inner disc groove 05 is in contact with the limiting protrusion 03; the thickness of the outer disc body 01 is less than the thickness of the inner disc body 02; the cross section of the outer disc body 01 is in the shape of a right trapezoid; the inner disc body 02 is in the shape of a cylindrical ring; the outer disc body 01, the inner disc body 02, the limiting protrusion 03 and the disc through hole 04 are integrally formed; the limiting protrusion 03 is selected to be four, and the limiting protrusions 03 are equally distributed on the inner disc body 02;

[0034] The anti-friction layer comprises an adhesion layer 22 and an anti-friction protective layer 21, the adhesion layer 22 is arranged on the outer disc body 01, the inner disc body 02 and the limiting protrusion 03, that is, the adhesion layer 22 is arranged on the silica gel layer 23, and the anti-friction protective layer 21 is arranged on the adhesion layer 22; the anti-friction protective layer 21 is selected to be an anti-friction protective layer in which molybdenum disulfide and polytetrafluoroethylene are deposited on the adhesion layer 22 by a magnetic control sputtering technology; the adhesion layer 22 is selected to be an organic silicon pressure-sensitive adhesive;

[0035] The processing mold includes a fixed mold, a moving mold, a fixed mold cavity 17, a moving mold cavity 18, an injection runner 16, and a injection port 11. The fixed mold cavity 17 is located on the fixed mold. The moving mold cavity 18, the injection runner 16, and the injection port 11 are all located on the moving mold. The injection runner 16 is located above the moving mold cavity 18, and the injection port 11 is located above the injection runner 16. The injection port 11 communicates with the moving mold cavity 18 through the injection runner 16. The moving mold cavity 18 and the fixed mold cavity 17 form the mold cavity for the disc on the processing roller. The injection runner 16 is arranged in an "X" shape. The end of 16 is Y-shaped, and the end of each injection runner 16 is connected to the moving mold cavity 18. The distance between the end of each injection runner 16 and the injection port 11 is the same. The fixed mold includes a fixed mold base plate 15 and a fixed mold plate 14. The fixed mold plate 14 is disposed on the fixed mold base plate 15, and the fixed mold cavity 17 is disposed on the fixed mold base plate 15 and the fixed mold plate 14. The moving mold includes a moving mold plate 13 and a moving mold top plate 12. The moving mold top plate 12 is disposed on the moving mold plate 13, the injection port 11 is disposed on the moving mold top plate 12, and both the injection runner 16 and the moving mold cavity 18 are disposed on the moving mold plate 13.

[0036] The specific implementation method of this utility model is as follows: To manufacture the silicone disc, liquid silicone is injected into a processed injection mold to form the silicone disc. Eight silicone discs can be processed from one injection port. For the processed silicone disc, a 150μm thick organic silicone pressure-sensitive adhesive layer is coated on its surface. Molybdenum disulfide and polytetrafluoroethylene are then deposited onto the adhesive layer using magnetron sputtering technology to form a friction-reducing protective layer with a thickness of approximately 300μm, thus preparing the final silicone disc. Then, the protruding inner disc of the silicone disc is snapped into the shaft hole of a roller. A rotating shaft is inserted into the disc's through-hole, and nuts are tightened at both ends of the rotating shaft to secure the silicone disc to the roller. At this time, the limiting protrusion will contact the rotating shaft and the nut, providing a certain limiting effect and preventing relative slippage of the silicone disc.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A disc on a roller, characterized in that, The roller includes an outer disc, an inner disc, a limiting protrusion, a disc through hole, and a friction-reducing layer. Both the outer and inner discs are annular. The inner side of the outer disc is connected to the outer side of the inner disc. The limiting protrusion is provided on the inner side of the inner disc. The disc through hole is located on the inner side of the inner disc. The centers of the outer disc, the inner disc, and the disc through hole are aligned on the same center line. The friction-reducing layer is provided on the outer disc, the inner disc, and the limiting protrusion. The friction-reducing layer is used to reduce friction between objects.

2. The disc on a roller according to claim 1, characterized in that, The outer disc, inner disc, limiting protrusion, and disc through hole are all made of silicone.

3. The disc on a roller according to claim 2, characterized in that, The outer disc, inner disc, limiting protrusion, and disc through hole are integrally formed.

4. The disc on a roller according to claim 1, characterized in that, The outer disc, inner disc, and through-hole are all circular.

5. The disc on a roller according to claim 1, characterized in that, At least three limiting protrusions are selected, and the limiting protrusions are evenly distributed on the inner disc body.

6. The disc on a roller according to claim 1, characterized in that, The wear-reducing layer includes an adhesive layer and a wear-reducing protective layer. The adhesive layer is disposed on the outer disc, the inner disc, and the limiting protrusion, and the wear-reducing protective layer is disposed on the adhesive layer.

7. A disc on a roller according to claim 6, characterized in that, The anti-friction protective layer is selected by depositing molybdenum disulfide and polytetrafluoroethylene onto the adhesive layer using magnetron sputtering technology.

8. A disc on a roller according to claim 7, characterized in that, The adhesive layer is selected from the adhesive layer of silicone pressure-sensitive adhesive.

9. A machining mold for machining a disc on a roller as described in claim 3, characterized in that, The processing mold includes a fixed mold, a moving mold, a fixed mold cavity, a moving mold cavity, an injection runner, and a injection port. The fixed mold cavity is disposed on the fixed mold. The moving mold cavity, the injection runner, and the injection port are all disposed on the moving mold. The injection runner is disposed above the moving mold cavity. The injection port is disposed above the injection runner. The injection port is connected to the moving mold cavity through the injection runner. The moving mold cavity and the fixed mold cavity surround the mold cavity of the disc on the processing roller.

10. A processing mold for a disc on a roller according to claim 9, characterized in that, The injection runner is arranged in an "X" shape, and the end of the injection runner is arranged in a "Y" shape. The end of the injection runner is connected to the moving mold cavity, and the distance between the end of the injection runner and the injection port is the same.

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