1. An electrically conductive power transmission belt, comprising:

the rubber base material (3) is provided with a groove on the surface, a conductive belt (1) in an annular seamless state is arranged in the groove, and a plurality of core wires (2) arranged at intervals are solidified in the rubber base material (3); two side surfaces of the conductive band (1) along the width direction are embedded into the grooves of the rubber base material (3), so that the side surfaces of the conductive band (1) are in an insulating state, and a first distance (a) and a second distance (b) are respectively arranged between the two side surfaces of the conductive band (1) and the edges of the rubber base material (3) in the width direction.

2. The conductive power transmission belt of claim 1,

the inner side surface of the rubber base material (3) is a plane, and the conductive transmission belt belongs to a flat belt structure; alternatively, the first and second electrodes may be,

synchronous teeth are integrally arranged on the inner side surface of the rubber base material (3), and the conductive transmission belt belongs to a synchronous belt structure; alternatively, the first and second electrodes may be,

the inner side face of the rubber base material (3) is integrally provided with a plurality of wedge-shaped structures which are arranged at equal intervals, and the conductive transmission belt belongs to a multi-wedge-belt structure.

3. The conductive belt according to claim 1, characterized in that said grooves are fixed to said conductive band (1) by gluing.

4. The conductive power transmission belt according to any one of claims 1 to 3,

the rubber base material (3) is made of thermoplastic polyurethane elastomer rubber;

the conductive belt (1) is made of copper, aluminum, titanium, conductive silica gel or other soft conductive materials;

the core wire (2) is made of stainless steel, nylon or fiber materials.

5. The conductive power transmission belt according to any one of claims 1 to 3,

the core wires (2) are arranged at intervals of 15mm-20 mm;

the thickness of the conductive belt (1) is 0.1mm-3 mm.

6. A thin film water electroplating apparatus comprising the conductive power transmission belt according to any one of claims 1 to 5.

7. A method of manufacturing the conductive power transmission belt according to any one of claims 1 to 5, comprising:

core wire (2): embedding the core wire (2) in a mold;

filling a base material: injecting a rubber base material (3) into the mold, and enabling the rubber base material (3) to wrap the core wire (2);

and (3) cooling and forming: cooling the mould to solidify the rubber base material (3) so as to form the belt;

processing a groove: processing a groove on the surface of the belt after the belt is molded;

mounting a conductive tape (1): and after the groove is processed, the conductive belt (1) is tightly attached to the rubber base material (3) through glue at the position of the groove.

8. The method of making an electrically conductive power transmission belt according to claim 7, further comprising:

after the conductive belt (1) is attached, pressing the surface of the conductive belt (1) by using calendering equipment to enable the conductive belt (1) and the rubber base material (3) to be attached tightly and smoothly.

9. A method of manufacturing the conductive power transmission belt according to any one of claims 1 to 5, comprising:

putting the core wire (2) and the conductive belt (1) into a customized model in advance;

adding a liquid rubber base material (3) into the customized model, and wrapping the conductive belt (1) and the core wire (2);

adding a cooling medium into the customized model to solidify the rubber base material (3), wherein the solidified rubber base material (3), the core wire (2) and the conductive belt (1) form a stable integral structure;

after the conductive transmission belt is formed, taking out the conductive transmission belt, and trimming the conductive belt (1) and the core wire (2) exposed out of the side surface of the conductive transmission belt by using a cutting knife;

and processing the surface of the conductive transmission belt by using a surface grinding machine device, and grinding the rubber base material (3) on the surface layer of the conductive belt (1).

10. The method of making a conductive power transmission belt according to claim 9 wherein the custom mold comprises: cooling tube (4), interior cavity (6) and outer cavity (5), interior cavity (6) with outer cavity (5) constitute the shaping space, cooling tube (4) distribute interior cavity (6) with the inside of outer cavity (5).

Background

With the development of technology, hydroelectric plating equipment is commonly used in industrial production to plate flexible film substrates. In the process of electroplating with water, a conductive roller is usually used to conduct electricity to the substrate, so as to realize the function of electroplating the substrate.

In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:

due to the inherent defect of the design of the conductive roller, a copper plating layer is easily formed on the surface of the conductive roller in the production process, and the copper plating layer punctures or scratches the film, so that the yield of conductive film products is greatly reduced, and the integral production efficiency of enterprises is seriously influenced.

Disclosure of Invention

The invention aims to provide a conductive transmission belt, a preparation method thereof and film water electroplating equipment, which are used for solving the problems that the existing conductive roller design is inherently insufficient, a copper plating layer is easily formed on the surface of the conductive roller in the production process, and the copper plating layer punctures or scratches a film, so that the yield of conductive film products is greatly reduced, and the overall production efficiency of an enterprise is seriously influenced.

In order to achieve the above object, in a first aspect, a conductive transmission belt is provided, which includes a rubber substrate, a groove is formed on a surface of the rubber substrate, a conductive belt in an annular seamless state is disposed in the groove, and a plurality of core wires arranged at intervals are cured inside the rubber substrate; two side faces of the conductive band along the width direction of the conductive band are embedded into the grooves of the rubber base material, so that the side faces of the conductive band are in an insulation state, and a first distance and a second distance are respectively reserved between the two side faces of the conductive band and the edges of the rubber base material in the width direction.

In addition, the present invention provides another conductive power transmission belt comprising: a conductive tape, a core wire and a rubber base material;

the side surface and the bottom surface of the conductive band are wrapped in the rubber base material, and the upper surface of the conductive band is exposed out of the rubber base material; the core wire is wholly wrapped in the rubber base material.

In some embodiments, the inner side of the rubber substrate is a plane, and the conductive transmission belt is of a flat belt structure; or the inner side surface of the rubber substrate is integrally provided with synchronous teeth, and the conductive transmission belt belongs to a synchronous belt structure; or a plurality of wedge-shaped structures are integrally arranged on the inner side surface of the rubber base material, the wedge-shaped structures are arranged at equal intervals, and the conductive transmission belt belongs to a multi-wedge-belt structure.

In some embodiments, the groove and the conductive strip are adhesively secured by glue.

In some embodiments, the material of the rubber substrate includes: thermoplastic polyurethane elastomer rubber.

In some embodiments, the conductive tape is made of: copper, aluminum, titanium, conductive silicone or other soft conductive materials.

In some embodiments, the core wire is made of a material comprising: stainless steel, nylon or other fibrous materials.

In some embodiments, a plurality of the core wires are arranged at a pitch interval of 15mm to 20 mm. The thickness of the conductive band is between 0.1mm and 3 mm.

In a second aspect, there is provided a thin film water electroplating apparatus comprising any one of the above-described conductive transmission belts.

In a third aspect, a method of making a conductive power transmission belt is provided, comprising the steps of:

core wire embedding: embedding the core wire into a mold;

filling a base material: injecting a rubber base material into the mold, and enabling the rubber base material to wrap the core wire;

and (3) cooling and forming: cooling the mold to solidify the rubber substrate, and further molding the belt;

processing a groove: processing a groove on the surface of the belt after the belt is molded;

mounting a conductive belt: and after the groove is processed, the conductive belt is tightly attached to the rubber substrate through the position of the glue in the groove.

Further, the method further comprises: after the conductive strips are attached, pressing the surfaces of the conductive strips by using calendering equipment to enable the conductive strips to be attached to the rubber base material tightly and smoothly.

In a fourth aspect, a method of making a conductive power transmission belt is provided, comprising the steps of:

placing the core wire and the conductive strip into a custom model in advance;

adding a liquid rubber base material into the customized model, and wrapping the conductive belt and the core wire;

adding a cooling medium into the customized model to solidify the rubber base material, wherein the solidified rubber base material, the core wire and the conductive belt form a stable integral structure;

after the conductive transmission belt is formed, taking out the conductive transmission belt, and trimming the conductive belt and the core wire exposed out of the side surface of the conductive transmission belt by using a cutting knife;

and processing the surface of the conductive transmission belt by using a surface grinding machine device, and grinding the rubber base material on the surface layer of the conductive belt.

In some embodiments, the custom mold comprises a cooling duct, an inner chamber and an outer chamber, said inner chamber and said outer chamber constituting the molding space, the cooling duct being distributed inside the inner chamber and the outer chamber.

In some embodiments, the core wire and the conductive strip are secured by a clamping mechanism on the outer chamber after the core wire and the conductive strip are pre-placed in the custom mold.

In some embodiments, the cooling temperature within the inner chamber and the outer chamber is the same.

In some embodiments, the cooling medium is cooling water or cooling gas.

In some embodiments, the cords are arranged in a custom mold according to their position in the belt, and are connected in a loop.

In some embodiments, the specific dimensions of the grooves are determined by the dimensions of the conductive strips.

The technical scheme has the following beneficial effects:

the embodiment of the invention can solve the problem that the transmission belt does not have the conductive capability, and can prevent the conductive roller from being damaged by copper plating. The embodiment of the invention can be used in the water electroplating industry to replace a conductive roller, thereby avoiding the problem of substrate puncture caused by copper plating of the conductive roller, effectively improving the yield of products and improving the productivity. The embodiment of the invention can also be used in the transmission industry with antistatic requirements.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of an electrically conductive power transmission belt according to an embodiment of the present invention;

FIG. 2 is a first state diagram of the construction of the conductive belt of the present embodiment;

FIG. 3 is a second state diagram of the construction of the conductive transmission belt of the embodiment of the present invention;

FIG. 4 is a state diagram III of the construction of the conductive power transmission belt of the embodiment of the present invention;

FIG. 5 is a flow chart of a first method of making the conductive power transmission belt of an embodiment of the present invention;

FIG. 6 is a flow chart of a second method of making the conductive power transmission belt of an embodiment of the present invention;

FIG. 7 is a state view of the conductive belt of an embodiment of the present invention as formed in a custom mold;

the reference numbers illustrate:

1-conductive band, 2-core wire, 3-rubber substrate, 4-cooling pipeline, 5-outer chamber, 6-inner chamber, a-first distance, b-second distance.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. In the drawings and the following description, at least some well-known structures and techniques have not been shown in detail in order to avoid unnecessarily obscuring the present invention; also, the dimensions of some of the structures may be exaggerated for clarity. Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

The embodiment of the invention is to attach a conductive layer on the surface of the transmission belt, so that the transmission belt has good conductive capability. Meanwhile, the side edge of the conducting layer is completely embedded into the rubber surface of the conveying belt, so that the conducting capacity of only the surface layer is realized. The conductive transmission belt is a transmission belt which can realize power transmission and can conduct electricity.

Referring to fig. 1 to 4, the conductive transmission belt includes a rubber substrate 3, a groove is formed on a surface of the rubber substrate 3, a conductive band 1 is disposed in the groove, and a plurality of core wires 2 are disposed inside the rubber substrate 3. In some examples, the conductive strip 1 is not mechanically and electrically connected to the core 2, and in other examples, the conductive strip 1 is electrically connected to the core 2.

Referring to fig. 1, fig. 1 is a schematic cross-sectional view of an exemplary conductive power transmission belt along its width, in which an end surface of a conductive belt 1 is embedded in a rubber base material 3 to insulate the side surface of the conductive belt 1. The distance dimension a and the dimension b from the side surface of the conductive strip 1 to the edge can be the same or different.

In some embodiments, referring to fig. 1 and 2, the inner side of the rubber substrate 3 is a flat surface, and the conductive transmission belt is of a flat belt structure. Referring to fig. 3, the inner side of the rubber substrate 3 is integrally provided with a synchronous tooth, and the conductive transmission belt belongs to a synchronous belt structure. Referring to fig. 4, a plurality of wedge structures are integrally arranged on the inner side surface of the rubber substrate 3, the wedge structures are arranged at equal intervals, and the conductive transmission belt belongs to a multi-wedge belt structure.

In some embodiments, referring to fig. 1, the cords 2 are equally spaced within the rubber substrate 3. The material of the rubber substrate 3 is thermoplastic polyurethane elastomer rubber. The conductive belt 1 is made of copper, aluminum, titanium, conductive silica gel or other soft conductive materials. The core wire 2 is made of stainless steel, nylon or other fiber materials.

As shown in fig. 5, an embodiment of the present invention further provides a method for manufacturing a conductive transmission belt, including the following steps:

s110, burying the core wire 2: the core wire 2 is embedded in the mold. Specifically, the above-described core wires 2 are arranged in the mold in accordance with the positions of the core wires 2 in the belt, and the core wires 2 are made into a loop shape that is reliably connected.

S120, base material filling step: the rubber base material 3 is injected into the mold, and the core wire 2 is wrapped with the rubber base material 3.

S130, cooling and forming: the mold is cooled to solidify the rubber substrate 3, and the belt is molded.

S140, groove machining: and processing a groove on the surface of the belt after the belt is molded. Wherein the specific dimensions of the grooves are determined according to the dimensions of the conductive strips 1.

S150, mounting the conductive belt 1: after the groove is processed, the conductive belt 1 is tightly attached to the rubber substrate 3 through the position of the glue in the groove.

Further, the method further comprises a pressing step S160 of: after the lamination, the surface of the conductive belt 1 is pressed by calendering equipment, so that the conductive belt 1 and the rubber substrate 3 are tightly and flatly laminated.

As shown in fig. 6, an embodiment of the present invention further provides a method for manufacturing a conductive transmission belt, including the following steps:

s210, putting the core wire 2 and the conductive belt 1 into a custom model in advance.

Specifically, referring to fig. 7, the custom mold may include a cooling duct 4, an inner chamber 6, and an outer chamber 5, the inner chamber 6 and the outer chamber 5 constituting a molding space, and a plurality of cooling ducts 4 distributed inside the inner chamber 6 and the outer chamber 5. The core wire 2 and the conductive tape 1 are previously set in the custom mold and then fixed by a holding mechanism on the outer chamber 5. The cooling medium is cooling water or cooling gas. In an alternative embodiment, no cooling pipe is arranged in the inner chamber 6 and the outer chamber 5, but the inner chamber 6 and the outer chamber 5 are both made of heat conducting material, and a through hole is arranged in the inner chamber 6 and the outer chamber 5, and the through hole can be used for a cooling medium to pass through so as to solidify the rubber substrate 3.

S220, adding the liquid rubber base material 3 into the customized model, and wrapping the conductive belt 1 and the core wire 2.

Specifically, referring to fig. 7, this step extrudes the liquid rubber substrate 3 into a custom mold, in which the rubber substrate 3 fills the gap between the inner chamber 6 and the outer chamber 5, and at the same time wraps the conductive tape 1 and the core wire 2 fixed between the inner chamber 6 and the outer chamber 5.

And S230, adding a cooling medium into the customized model to solidify the rubber base material 3, wherein the solidified rubber base material 3, the core wire 2 and the conductive belt 1 form a stable integral structure.

Preferably, this step can control the cooling synchronization of the inner chamber 6 and the outer chamber 5, for example, the cooling temperature of the cooling medium in the inner chamber 6 and the cooling medium in the outer chamber 5 are controlled to be the same, so that the curing speed in the inner and outer directions is the same, and the curing effect is better.

S240, after the conductive transmission belt is formed, the conductive transmission belt is taken out, and the conductive belt 1 and the core wire 2 which are exposed out of the side surface of the conductive transmission belt are trimmed by a cutting knife so that the surface of the conductive transmission belt is smooth.

Specifically, after the conductive transmission belt is formed, the connection between the core wire 2 and the conductive belt 1 and the outer cavity 5 is released, and the conductive belt 1 and the core wire 2 exposed out of the side surface of the belt are trimmed by a cutting knife so that the surface and the side surface of the belt are smooth. The belt is also a semi-finished product, and a part of the rubber substrate 3 is adhered to a surface of the belt at a certain position.

And S250, processing the surface of the conductive transmission belt by using a surface grinder device, and grinding off the rubber base material 3 on the surface layer of the conductive belt 1.

The preparation method has the advantages that: the conductive belt 1 is well combined with the rubber base material 3, and in the using process, the conductive belt 1 is not easy to separate from the rubber base material 3, so that the service life of the belt is long.

In some embodiments, the mold is arranged according to the position of the cords 2 in the belt and such that the cords 2 form a securely connected loop. The specific number of the core wires 2 is determined according to the overall width, and is generally arranged at a pitch of 15 to 20 mm. The specific size of the groove is determined according to the size of the conductive strip 1. The conductive band 1 is in a ring-shaped seamless state, the width of the conductive band 1 can be wide or narrow according to specific requirements, the thickness of the conductive band 1 is determined according to actual conductive requirements, and the general thickness is between 0.1mm and 3 mm.

Accordingly, an embodiment of the present invention further provides a manufacturing apparatus for the above conductive transmission belt, where the manufacturing apparatus includes a customized model, and the customized model includes: the cooling pipeline 4, inner chamber 6 and outer chamber 5 constitute the shaping space, and the cooling pipeline 4 distributes in inner chamber 6 and the inside of outer chamber 5.

Further, the outer chamber 5 is provided with a clamping mechanism for fixing the core wire 2 and the conductive tape 1 after placing the core wire 2 and the conductive tape 1 into the custom mold.

Further, the manufacturing apparatus may further include: a cold source device for supplying a cooling medium to the cooling pipe 4; the trimming equipment is used for trimming the conductive belt 1 and the core wire 2 exposed out of the side surface of the conductive belt after the conductive belt is formed, so that the surface of the conductive belt is smooth; and the surface grinding machine equipment is used for processing the surface of the conductive transmission belt and grinding off the rubber base material 3 on the surface layer of the conductive belt 1.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.