Rubber coating mold

Abstract

The utility model provides a rubber coating mould which comprises an upper mould and a lower mould, the upper mould is arranged on the upper side of the lower mould, the upper mould and the lower mould are connected through a push-pull adjusting screw, a flow channel is arranged between the upper mould and the lower mould, the flow channel is a clothes hanger type flow channel, and the flow channel is respectively arranged on the lower side face of the upper mould and the upper side face of the lower mould. The inner side face of the runner is coated with a chromium plating layer, and heating rods are further arranged in the upper die and the lower die in a built-in mode. And an upper die embedding strip, an adjusting sleeve, a mouth die adjusting screw sleeve and an inner hexagonal adjusting bolt are also arranged in the upper part of the upper die, and the upper die embedding strip, the adjusting sleeve and the mouth die adjusting screw sleeve are sequentially arranged from bottom to top and are all sleeved on the inner hexagonal adjusting bolt. According to the utility model, the inner side of the runner is coated with the chromium coating, so that the strength of the upper die is improved, the smoothness is provided, the stable flowing of melt materials can be ensured, the flowing direction is controllable, and the yield of products is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of coating molds, in particular to a rubber coating mold. Background Art

[0002] A rubber coating mold is a tool used to form rubber products with a certain shape and dimensional accuracy within a cavity of a specific shape. A rubber coating mold is usually composed of a metal core plate and a rubber layer coated on it. This structure gives the mold both the high strength of metal and the high elasticity and compressibility of rubber.

[0003] In the prior art, when a coating mold is used to prepare rubber materials into products, the flow channel of the coating mold itself has low strength and low smoothness, resulting in poor fluidity of the molten raw material when it flows in the flow channel, variable flow direction, and difficulty in control, which easily leads to a large amount of waste and low yield of the products. Utility Model Content

[0004] The utility model aims to provide a rubber coating mold to overcome the above problems or at least partially solve the above problems.

[0005] In order to achieve the above-mentioned purpose, the technical solution of the present utility model is specifically implemented as follows:

[0006] The utility model provides a rubber coating mold, including an upper mold and a lower mold, the upper mold is arranged on the upper side of the lower mold, and the upper mold and the lower mold are connected by a push-pull adjustment screw, a flow channel is also provided between the upper mold and the lower mold, the flow channel is a hanger-type flow channel, and the flow channel is respectively opened on the lower side of the upper mold and the upper side of the lower mold, the inner side of the flow channel is coated with a chrome-plated layer, and a heating rod is also built-in inside the upper mold and the lower mold.

[0007] An upper die inlay strip, an adjustment sleeve, a die adjustment screw sleeve and a hexagonal adjusting bolt are also provided in the upper part of the upper die. The upper die inlay strip, the adjustment sleeve and the die adjustment screw sleeve are arranged in sequence from bottom to top and are all sleeved on the hexagonal adjusting bolt. The die adjustment screw sleeve is fixedly connected to the upper die, and the die adjustment screw sleeve is engaged with the hexagonal adjusting bolt through a thread. The upper die inlay strip is arranged at the tail of the hexagonal adjusting bolt and moves along the upper die.

[0008] A mouth die is further provided between the lower side of the upper die and the upper side of the lower die. The mouth die is connected to the upper die through bolts, and the upper side of the mouth die contacts the tail end of the hexagonal adjusting bolt.

[0009] As a further solution of the present invention, an annular hole groove is formed on the outer peripheral surface of the upper mold insert strip, and a sealing strip is sleeved on the annular hole groove.

[0010] As a further solution of the present invention, a plurality of temperature measuring holes are provided on the upper die and the lower die, and thermocouples are provided on the temperature measuring holes.

[0011] As a further solution of the present invention, a heating rod hole is opened on the front side of the upper mold and the lower mold, and the heating rod is built into the heating rod hole.

[0012] As a further solution of the present invention, two groups of upper and lower dies are provided, and the two groups of upper and lower dies are symmetrically arranged front to back. Support plates are fixedly connected to the left and right sides of the upper and lower dies, and the two support plates on the same side are connected by adjusting bolts.

[0013] As a further solution of the present invention, a thickness plate is further fixed to the inner side surface of the support plate.

[0014] As a further solution of the present invention, the front sides of the upper mold and the lower mold are fixedly connected to a junction box, and a 24-core rectangular socket is also fixedly connected to the outside of the junction box, and the 24-core rectangular socket is connected to the heating rod through a wire.

[0015] As a further solution of the present invention, the thickness of the chrome plating layer ranges from 0.05 to 0.07 mm, and the coating hardness is HRC65-70.

[0016] The utility model provides a rubber coating mold, which has the beneficial effect of: by coating the inner side of the flow channel with a chrome plating layer, the strength of the upper mold is improved, and the smoothness is also provided, thereby ensuring the stable flow of the molten material and the controllable flow direction, thereby ensuring the yield rate of the product;

[0017] The upper mold inlay strip, adjustment sleeve and sealing strip further provide the sealing of the mold, which is convenient for mold assembly. By adjusting the mouth mold, the thickness and quality of the product can also be controlled. The built-in heating rod can fully heat the upper and lower molds, improve the heating efficiency and sufficiency, and also reduce the heat dissipation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a structural diagram of the present utility model.

[0020] Figure 2 It is a side view of the present utility model.

[0021] Figure 3 It is a top view of the utility model.

[0022] Figure 4 It is a partial schematic diagram of the utility model.

[0023] Figure 5 It is a structural schematic diagram of the upper mold in the utility model.

[0024] Figure 6 It is a structural schematic diagram of the lower mold in the utility model.

[0025] In the figure: 1. Upper die; 2. Lower die; 3. Upper die inlay strip; 4. Adjustment sleeve; 5. Mouth die adjustment screw sleeve; 6. Mouth die; 7. Junction box; 8. Support plate; 9. Thickness plate; 10. Heating rod; 11. Adjustment bolt; 12. Runner; 13. Thermocouple; 14. Hexagon socket adjustment bolt; 15. 24-core rectangular socket. DETAILED DESCRIPTION

[0026] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0027] See also Figure 1-6 , an embodiment of the present invention provides a rubber coating mold, including an upper mold 1 and a lower mold 2, the upper mold 1 is arranged on the upper side of the lower mold 2, and the upper mold 1 and the lower mold 2 are connected by a push-pull adjustment screw, a runner 12 is further provided between the upper mold 1 and the lower mold 2, the runner 12 is a hanger-type runner, and the runner 12 is respectively opened on the lower side of the upper mold 1 and the upper side of the lower mold 2, the inner side of the runner 12 is coated with a chrome-plated layer, the chrome-plated layer thickness range is 0.05-0.07mm, the coating hardness is HRC65-70, the surface of the runner 12 is polished to Ra0.025-0.05μm, and the surfaces of other runners 12 are polished to Ra 0.1-0.15μm. The structure of the runner 12 has been optimized multiple times through big data analysis to ensure rationality and reduce material accumulation. A heating rod 10 is also built into the upper mold 1 and the lower mold 2.

[0028] The upper part of the upper die 1 is also provided with an upper die inlay strip 3, an adjustment sleeve 4, a die adjustment screw sleeve 5 and a hexagonal adjusting bolt 14. The upper die inlay strip 3, the adjustment sleeve 4, and the die adjustment screw sleeve 5 are arranged in sequence from bottom to top and are all sleeved on the hexagonal adjusting bolt 14. The die adjustment screw sleeve 5 is fixedly connected to the upper die 1, and the die adjustment screw sleeve 5 is engaged with the hexagonal adjusting bolt 14 through a thread. The upper die inlay strip 3 is arranged at the tail of the hexagonal adjusting bolt 14 and moves along the upper die 1.

[0029] A mouth die 6 is provided between the lower side of the upper die 1 and the upper side of the lower die 2 . The mouth die 6 is connected to the upper die 1 via bolts, and the upper side of the mouth die 6 contacts the tail end of the hexagon socket adjustment bolt 14 .

[0030] An annular hole groove is formed on the outer peripheral surface of the upper mold insert strip 3 , and a sealing strip is sleeved on the annular hole groove, thereby improving the sealing between the upper mold insert strip 3 and the upper mold 1 .

[0031] A plurality of temperature measuring holes are provided on both the upper die 1 and the lower die 2 , and thermocouples 13 are provided on the temperature measuring holes to facilitate uniform temperature measurement of the upper die 1 and the lower die 2 through the thermocouples 13 .

[0032] The front sides of the upper mold 1 and the lower mold 2 are both provided with heating rod holes, and the heating rod 10 is built into the heating rod holes. The front side surfaces of the upper mold 1 and the lower mold 2 are fixedly connected to the junction box 7, and a 24-core rectangular socket 15 is also fixedly connected to the outside of the junction box 7, and the 24-core rectangular socket 15 is connected to the heating rod 10 through a wire. It adopts a 230V single-phase power supply, a built-in stainless steel heating rod, and is equipped with high-temperature resistant electrical accessories. The heating temperature is controlled at <300℃, and fully enclosed wiring is adopted. The high-temperature wire is placed in an independent wire trough and closed with a metal cover. The terminal is equipped with an aviation plug for easy replacement.

[0033] There are two groups of upper molds 1 and lower molds 2, and the two groups of upper molds 1 and lower molds 2 are symmetrically arranged with each other front and back. The left and right sides of the upper mold 1 and the lower mold 2 are fixedly connected with support plates 8, and the two support plates 8 on the same side are connected by adjusting bolts 11. The inner side of the support plate 8 is also fixed with a thickness plate 9, which can enable the two groups of molds to work at the same time, and the distance between the two groups of molds can be adjusted by adjusting the bolts 11, thereby facilitating the adjustment of the connection between the inlet of the runner 12 and the external feeding equipment.

[0034] During use of the present invention, the upper mold 1 and the lower mold 2 are first hoisted to the working station through the hoisting holes on the upper mold 1 and the lower mold 2 and the external hoisting equipment, and the alignment and mold closing operations are performed. Then, the upper mold 1 and the mouth mold 6 are adjusted through the hexagonal adjusting bolts 14, so as to adjust the gap between the upper mold 1 and the lower mold 2 to control the shape and size of the product. Then, the feed port of the runner 12 is connected to the feeding end of the external feeding equipment. The material is fed into the runner 12 between the upper mold 1 and the lower mold 2 and heated by the heating rod 10 to achieve molding of the material.

[0035] The above are merely embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should all be included within the scope of the claims of the present application.

Claims

1. A rubber coating mold, comprising an upper mold (1) and a lower mold (2), wherein the upper mold (1) is arranged on the upper side of the lower mold (2), and the upper mold (1) and the lower mold (2) are connected by a push-pull adjustment screw, characterized in that: A flow channel (12) is further provided between the upper mold (1) and the lower mold (2), the flow channel (12) being a clothes hanger type flow channel, and the flow channel (12) is respectively opened on the lower side surface of the upper mold (1) and the upper side surface of the lower mold (2), the inner side surface of the flow channel (12) is coated with a chrome-plated layer, and a heating rod (10) is also built-in inside the upper mold (1) and the lower mold (2); An upper die inserting strip (3), an adjustment sleeve (4), a die adjusting screw sleeve (5) and an inner six angle adjustment bolt (14) are further provided in the upper portion of the upper die (1). The upper die inserting strip (3), the adjustment sleeve (4) and the die adjusting screw sleeve (5) are sequentially provided from bottom to top and are all sleeved on the inner six angle adjustment bolt (14). The die adjusting screw sleeve (5) is fixedly connected to the upper die (1), and the die adjusting screw sleeve (5) is meshed with the inner six angle adjustment bolt (14) through a thread. The upper die inserting strip (3) is provided at the tail of the inner six angle adjustment bolt (14) and moves along the upper die (1). A mouth die (6) is further provided between the lower side of the upper die (1) and the upper side of the lower die (2). The mouth die (6) is connected to the upper die (1) via bolts, and the upper side of the mouth die (6) contacts the tail end of the hexagonal adjusting bolt (14).

2. A rubber coating mold according to claim 1, characterized in that: An annular hole groove is formed on the outer peripheral surface of the upper mold insert strip (3), and a sealing strip is sleeved on the annular hole groove.

3. The rubber coating mold according to claim 1, characterized in that: A plurality of temperature measuring holes are provided on the upper die (1) and the lower die (2), and thermocouples (13) are provided on the temperature measuring holes.

4. The rubber coating mold according to claim 1, characterized in that: The front sides of the upper mold (1) and the lower mold (2) are both provided with heating rod holes, and the heating rod (10) is built into the heating rod holes.

5. The rubber coating mold according to claim 1, characterized in that: The upper mold (1) and the lower mold (2) are each provided with two groups, and the two groups of upper molds (1) and lower molds (2) are symmetrically arranged with respect to each other front and back. The left and right sides of the upper mold (1) and the lower mold (2) are both fixedly connected with support plates (8), and the two support plates (8) on the same side are connected by adjusting bolts (11).

6. The rubber coating mold according to claim 5, characterized in that: A thickness plate (9) is also fixed to the inner side surface of the support plate (8).

7. The rubber coating mold according to claim 1, characterized in that: The front sides of the upper mold (1) and the lower mold (2) are both fixedly connected to a junction box (7), and a 24-core rectangular socket (15) is also fixedly connected to the outside of the junction box (7), and the 24-core rectangular socket (15) is connected to the heating rod (10) through a wire.

8. The rubber coating mold according to claim 1, characterized in that: The thickness of the chrome plating layer ranges from 0.05 to 0.07 mm, and the coating hardness is HRC65-70.

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