Die tool for automatically removing slitter edges of rubber products

Abstract

The utility model discloses a mold tool for automatically removing slitter edges of rubber products in the field of rubber molds, which comprises a top plate and a bottom plate, a movable mold plate fixedly connected is arranged below the top plate, and a fixed mold plate fixedly connected is arranged above the bottom plate; female dies distributed in an array mode are arranged in the movable die plate, edge tearing groove protrusions are arranged on the outer sides of the female dies, threaded holes distributed in an array mode are formed in the inner side and the outer side of each edge tearing groove protrusion, cylinders are arranged in the threaded holes, external threads are arranged on the upper half portions of the cylinders, and the upper ends of the cylinders are inserted into the threaded holes to be fixed; male dies distributed in an array mode are arranged in the fixed die plate, an edge tearing groove concave part is formed in the outer side of each male die, and straight holes distributed in an array mode are formed in the inner side and the outer side of each edge tearing groove concave part. Only one edge is machined in the edge tearing groove, so that the slitter edge is separated from a product more smoothly, the threads on the upper surface of the cylinder are responsible for lifting up the slitter edge and stripping the slitter edge from the product when the die is opened, the edge tearing groove and the cylinder are suspended, and the protruding part on the lower surface of the cylinder is convenient for cleaning by a rolling brush.

Description

Technical Field

[0001] The utility model relates to the field of rubber moulds, in particular to a mould tooling for automatically removing waste edges of rubber products. Background Art

[0002] For rubber mold development, in the production process of rubber products, the problem of waste edge cleaning on the mold and product must also be considered. At present, most products are demoulded with waste edges coming out together with the product, or the waste edges remain in the mold and need to be manually cleaned, which will increase the auxiliary time; if a subsequent process is arranged to clean the waste edges, it will also increase some costs. In order to improve production efficiency, there will be an increase in the number of cavities during mold development to fundamentally improve production capacity. But at the same time, the more cavities there are, the lower the efficiency of workers in cleaning rubber waste edges during product production, resulting in an increase in auxiliary time, lower mold temperature, and a greater chance of product problems. Therefore, in order to solve the problem of many cavities and difficult waste edge cleaning, it is necessary to optimize the mold structure. Moreover, whether it is a flat mold or an injection mold, there will be waste edges at the parting position of the product. The existence of waste edges means an extra step to clean the waste edges on the mold or product, which will increase the auxiliary time of mold production and the cost of workers trimming flash. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a mold tooling for automatically removing waste edges of rubber products to solve the problems raised in the above background technology.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A mold tooling for automatically removing waste edges of rubber products comprises a top plate and a bottom plate, a movable mold plate fixedly connected to the bottom of the top plate and a fixed mold plate fixedly connected to the top of the bottom plate;

[0006] The movable platen is provided with a matrix-distributed concave die inside, a tearing groove protrusion is provided on the outside of the concave die, threaded holes arranged in an array are provided on both the inside and outside of the tearing groove protrusion, a cylinder is provided inside the threaded hole, an external thread is provided on the upper half of the cylinder, and the upper end of the cylinder is inserted into the threaded hole for fixing;

[0007] An array of punches is arranged inside the fixed template, the punches and the concave dies are coaxially arranged, a tearing groove is arranged on the outside of the punch, the tearing groove has the same diameter as the tearing groove protrusion, straight holes arranged in an array are arranged on both the inner and outer sides of the tearing groove, and the straight holes on the fixed template are coaxially arranged with the threaded holes on the movable template.

[0008] Preferably, the depth of the threaded hole and the straight hole is 6-10 mm.

[0009] Preferably, the tear edge groove is processed with a groove with a depth of 0.2-0.3 mm.

[0010] Preferably, the tear edge groove only processes a single-side protrusion of the moving template.

[0011] Preferably, a reciprocating roller brush frame is provided on the side of the mold tooling, the roller brush frame penetrates into between the movable mold plate and the fixed mold plate, and a rotatably connected roller brush is provided at the front end of the roller brush frame.

[0012] Beneficial effects of the utility model:

[0013] The utility model discloses a mold tooling for automatically removing the waste edge of rubber products. In the tearing groove, only one side is processed, so that the waste edge and the product are separated more smoothly. The thread on the upper surface of the cylinder is responsible for bringing up the waste edge when the mold is opened, and separating it from the product. The tearing groove and the cylinder are suspended in the air, and the protruding part of the lower surface of the cylinder is convenient for cleaning with a roller brush. The matching surface of the connecting part of the waste edge and the cylinder at the tearing groove is reduced by 0.2mm-0.3mm, so that the parting thickness here is between 0.2mm-0.3mm, and it is ensured that the waste edge will not be disconnected when cleaning.

[0014] The utility model provides a mold tooling for automatically removing waste edges of rubber products. The surface of the roller brush has layers of protrusions, and the roller brush is controlled to clean up the waste edges of rubber products when rotating at high speed. At the same time, the designed roller brush is used to clean up the residual waste edges in the mold through high-speed rotation. The efficiency is high and the auxiliary time is short, and the safety can also be guaranteed. The designed tooling roller brush cleans the waste edges of rubber products in the mold in a rotating manner, and there is no need for workers to perform dangerous actions to deal with the residual waste edges in the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural cross-sectional view of the mold tooling in the embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the partial structure of the mold tooling in the embodiment of the utility model Figure 1 ;

[0018] Figure 3 This utility model Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0019] Figure 4 This is a schematic diagram of the partial structure of the mold tooling in the embodiment of the utility model Figure 2 ;

[0020] Figure 5 This utility model Figure 1 A schematic diagram of the structure enlargement in the middle;

[0021] Figure 6 It is a schematic cross-sectional view of a part of the structure after the mold tooling is opened and closed in the embodiment of the utility model;

[0022] Figure 7 This is a schematic diagram of the running track of the roller brush frame in the embodiment of the utility model;

[0023] In the figure: 1, top plate; 2, bottom plate; 3, movable template; 4, fixed template; 5, roller brush holder; 31, concave die; 32, tear edge groove protrusion; 33, cylinder; 41, punch; 43, tear edge groove concave; 51, roller brush. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 7 As shown, this embodiment provides a mold tooling for automatically removing waste edges of rubber products, including a top plate 1 and a bottom plate 2. A movable mold plate 3 is fixedly connected below the top plate 1, and a fixed mold plate 4 is fixedly connected above the bottom plate 2.

[0026] Furthermore, an array-distributed die 31 is provided inside the movable template 3, a tearing groove protrusion 32 is provided on the outside of the die 31, and array-arranged threaded holes are provided on both the inside and outside of the tearing groove protrusion 32. The depth of the threaded hole is 6-10mm, and a cylinder 33 is provided inside the threaded hole. The upper half of the cylinder 33 is provided with an external thread, and the upper end of the cylinder 33 is inserted into the threaded hole for fixation.

[0027] Furthermore, an array of convex molds 41 are arranged inside the fixed mold plate 4, and the convex mold 41 is coaxially arranged with the concave mold 31. A tearing groove concave 43 is arranged on the outside of the convex mold 41. The tearing groove concave 43 has the same diameter as the tearing groove protrusion 32. Both the inner and outer sides of the tearing groove concave 43 are provided with array-arranged straight holes, and the depth of the straight holes is 6-10mm. The straight holes on the fixed mold plate 4 are coaxially arranged with the threaded holes on the movable mold plate 3. When the movable mold plate 3 and the fixed mold plate 4 are closed, the tearing groove protrusion 32 is inserted into the tearing groove concave 43, and a groove with a depth of 0.2-0.3mm is processed in one circle of the tearing groove. The lower half of the cylinder 33 is inserted into the straight hole on the fixed template 4, and the tearing groove is only processed on one side to ensure smoother separation of the waste edge and the product. The thread on the upper surface of the cylinder is responsible for bringing up the waste edge when the mold is opened and peeling it off from the product. The tearing groove and the cylinder are suspended in the air, and the protruding part of the lower surface of the cylinder is convenient for cleaning with a roller brush. The matching surface of the waste edge at the tearing groove and the connecting part of the cylinder is reduced by 0.2mm-0.3mm, so that the parting thickness here is between 0.2mm-0.3mm, ensuring that the waste edge will not be disconnected when cleaning, and the matching surface between the product and the tearing groove does not need to be avoided, the thinner the better.

[0028] The top plate 1 drives the movable template 3 to rise and fall, and the bottom plate 2 drives the fixed template 4 to fix its position. After the rubber fills the cavity, the excess rubber will fill the groove. When the mold is opened, the rubber product and the waste edge are separated. The rubber at the threaded hole will absorb the waste edge on the surface of the upper or lower mold, and the rubber at the straight hole will extend out a section.

[0029] A reciprocating roller brush rack 5 is provided on the side of the mold tooling, and a rotatably connected roller brush 51 is provided at the front end of the roller brush rack 5. The designed roller brush surface has layers of protrusions, which control the roller brush to clean up the waste edges of rubber products when rotating at high speed. At the same time, the designed roller brush is used to clean up the waste edges remaining in the mold through high-speed rotation, which is highly efficient and has a short auxiliary time. Safety can also be guaranteed. The designed tooling roller brush cleans the waste edges of rubber products in the mold in a rotating manner. Workers do not need to take dangerous actions to deal with the residual waste edges in the mold.

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" and "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A mold tool for automatically removing waste edges of rubber products, characterized in that: It comprises a top plate (1) and a bottom plate (2), wherein a movable plate (3) is fixedly connected below the top plate (1), and a fixed plate (4) is fixedly connected above the bottom plate (2); The movable platen (3) is provided with an array of concave dies (31) inside, a tearing groove protrusion (32) is provided outside the concave dies (31), threaded holes arranged in an array are provided inside and outside the tearing groove protrusion (32), and cylinders (33) are provided inside the threaded holes, and the upper half of the cylinder (33) is provided with external threads, and the upper end of the cylinder (33) is inserted into the threaded hole for fixing; The fixed mold plate (4) is provided with an array of convex molds (41) inside, the convex molds (41) and the concave mold (31) are arranged coaxially, the outer side of the convex mold (41) is provided with a tearing groove recess (43), the tearing groove recess (43) and the tearing groove protrusion (32) have the same diameter, and the tearing groove recess (43) is provided with array-arranged straight holes on both sides inside and outside, and the straight hole on the fixed mold plate (4) is coaxially arranged with the threaded hole on the movable mold plate (3).

2. The mold tooling for automatically removing waste edges of rubber products according to claim 1 is characterized in that: The depth of the threaded hole and the straight hole is 6-10 mm.

3. The mold tooling for automatically removing waste edges of rubber products according to claim 1 is characterized in that: The tear edge groove is processed with a groove with a depth of 0.2-0.3mm.

4. The mold tooling for automatically removing waste edges of rubber products according to claim 1 is characterized in that: The tearing edge groove only processes a single-side protrusion of the moving template (3).

5. The mold tooling for automatically removing waste edges of rubber products according to claim 1 is characterized in that: A reciprocating roller brush frame (5) is provided on the side of the mold tooling. The roller brush frame (5) is inserted deep between the movable mold plate (3) and the fixed mold plate (4). A rotatably connected roller brush (51) is provided at the front end of the roller brush frame (5).

Images