Novel motor sealing ring die

Abstract

The utility model discloses a novel motor sealing ring die, which comprises a lower die plate, an upper die plate, an upper die plate and a lower die plate, the upper template is arranged on the middle template; the first mold cavity is formed in the upper surface of the middle mold plate, and a runner is formed in the edge of the inner side of the first mold cavity; the closure boss is fixed on the inner side of the runner, and the height of the closure boss is lower than the depth of the runner so as to slow down the flow velocity of the sizing material; the inner side of the runner is provided with the cut-off boss at a proper height position, the situation that the vulcanization effect is affected due to the fact that the upper mold plate is filled with rubber but the first cavity in the inner side of the middle mold plate is not filled with rubber during rubber injection is avoided, the filling speed of the upper mold plate is reduced conveniently through the cut-off boss, the effect that the upper mold and the lower mold are filled with rubber at the same time is achieved, and the service life of the upper mold and the lower mold is prolonged. The first cavity and the second cavity are staggered, so that most of products on the inner side of the lower mold are naturally exposed after the mold is opened, and the mold stripping efficiency is improved.

Description

Technical Field

[0001] The utility model specifically relates to a new type of motor seal ring mold. Background Technique

[0002] A motor is a device that converts electrical energy into mechanical energy. Motors are widely used in various devices and machinery, such as household appliances and industrial equipment. The seal ring of a motor is a component used to prevent dust, moisture, or other contaminants from entering the interior of the motor, and at the same time prevent lubricating oil or other liquids from leaking. During production, it is mass-produced through a mold.

[0003] In actual processing of the existing motor seal ring mold, since the flow rate of the lower die rubber material in the runner is relatively fast, it often occurs that the four cavities of the upper die are already filled with rubber material, while the four cavities of the lower die are not yet filled, which affects the vulcanization effect. In addition, as shown in the existing mold Figure 5 When using a symmetric parting of the upper and lower cavities at the center, the product is prone to sticking to the upper die during demolding, and the product gets stuck in the lower die and needs to be manually pulled out, resulting in a long demolding auxiliary time and low efficiency. For this reason, we propose a new type of motor seal ring mold. Content of the Utility Model

[0004] The purpose of the utility model is to provide a new type of motor seal ring mold to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A new type of motor seal ring mold, comprising:

[0006] A lower template, on which a middle template is arranged;

[0007] An upper template, arranged on the middle template;

[0008] A first cavity, arranged on the upper surface of the middle template, and a runner is arranged on the inner edge of the first cavity;

[0009] A flow intercepting boss, fixed inside the runner, and its height is lower than the depth of the runner to slow down the flow rate of the rubber material.

[0010] Preferably, the cross-section of the runner is trapezoidal.

[0011] Preferably, the height difference between the upper surface of the flow intercepting boss and the upper surface of the first cavity is 0.2 mm - 0.4 mm.

[0012] Preferably, the lower surface of the upper template has a second cavity, and the second cavity is offset from the first cavity in the height direction.

[0013] Preferably, a lifting frame is fixed on the side wall of the middle template.

[0014] Preferably, a guide hole is provided on the inner edge of the middle template, and the guide hole passes through the lower template and the upper template.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] This patent sets a cut-off boss at a suitable height on the inner side of the flow channel to avoid the situation where the upper template is already filled with rubber while the first cavity on the inner side of the middle template is not yet filled during glue injection, which affects the vulcanization effect. This device uses the cut-off boss to slow down the filling speed of the upper template, thereby achieving the effect of filling the upper and lower molds at the same time. By staggering the first cavity and the second cavity, most of the product on the inner side of the lower mold is naturally exposed after the mold is opened. When the product is demolded, the upper mold does not need to be pulled and the product is automatically ejected without manual pulling, thereby improving the demolding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the intercepting boss of the utility model;

[0020] Figure 4 This is a schematic diagram of the staggered structure of the mold cavity of the utility model;

[0021] Figure 5 This is a schematic diagram of the existing cavity symmetry parting.

[0022] In the figure: 1, lower template; 2, middle template; 3, upper template; 4, lifting frame; 5, flow channel; 6, first cavity; 7, guide hole; 8, flow cut-off boss. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] See also Figures 1 - 5 The utility model provides a technical solution: a new motor sealing ring mold, comprising:

[0025] A lower template 1, on which a middle template 2 is arranged;

[0026] The upper template 3 is arranged on the middle template 2, which is convenient for processing multiple sealing ring molds simultaneously through the three templates, improving the processing efficiency;

[0027] The first cavity 6 is arranged on the upper surface of the middle template 2, and a runner 5 is arranged on the inner edge of the first cavity 6;

[0028] The intercepting boss 8 is fixed inside the runner 5, and its height is lower than the depth of the runner 5 to slow down the flow rate of the rubber compound, which is convenient for slowing down the flow speed of the rubber compound inside the runner 5, so as to ensure that the filling speed of the rubber compound in the first cavity 6 and the second cavity on the upper template 3 is close or consistent.

[0029] In this embodiment, preferably, the cross-section of the runner 5 is trapezoidal, which is convenient for intercepting and slowing down the flow rate of the rubber compound.

[0030] In this embodiment, preferably, the height difference between the upper surface of the intercepting boss 8 and the upper surface of the first cavity 6 is 0.2 mm - 0.4 mm. The height of the intercepting boss 8 can be set according to actual needs, so as to realize the simultaneous filling of the rubber compound in the upper and lower molds. After simultaneous filling, the rubber temperature, pressure and curing conditions are the same, so as to reduce filling defects, air bubbles and uncured areas and improve the qualified rate of products.

[0031] In this embodiment, preferably, the lower surface of the upper template 3 has a second cavity, and the second cavity is offset from the first cavity 6 in the height direction. Compared with the existing Figure 5 As shown, the upper and lower are symmetrically divided at the center. For example, Figure 4 As shown in the offset parting, it can well ensure that most of the products inside the middle template 2 are naturally exposed after the mold is opened, which is convenient for the automatic ejection of the products, reduces the inconvenience of manual pulling, and improves the demolding efficiency.

[0032] In this embodiment, preferably, a lifting frame 4 is fixed on the side wall of the middle template 2, which is convenient for adjusting the position of the middle template 2 in the later stage, so as to take out the sealing ring from between the middle template 2 and the upper template 3.

[0033] In this embodiment, preferably, a guiding hole 7 is arranged on the inner edge of the middle template 2, and the guiding hole 7 penetrates through the lower template 1 and the upper template 3, which is convenient for the vertical up and down movement of the template.

[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of motor seal ring mold, characterized in that Comprising: A lower template (1) with a middle template (2) disposed thereon; An upper template (3) disposed on the middle template (2); A first cavity (6) disposed on the upper surface of the middle template (2), and a runner (5) is provided on the inner edge of the first cavity (6); A flow cutoff boss (8) fixed inside the runner (5), and its height is lower than the depth of the runner (5) to slow down the flow rate of the rubber compound.

2. The novel motor seal ring mold according to claim 1, characterized in that: The cross-section of the runner (5) is trapezoidal.

3. A novel motor seal ring mold according to claim 1, characterized in that: The height difference between the upper surface of the flow cutoff boss (8) and the upper surface of the first cavity (6) is 0.2 mm - 0.4 mm.

4. A novel motor seal ring mold according to claim 1, characterized in that: The lower surface of the upper template (3) has a second cavity, and the second cavity is offset from the first cavity (6) in the height direction.

5. A novel motor seal ring mold according to claim 1, characterized in that: A lifting frame (4) is fixed to the side wall of the middle template (2).

6. A novel motor seal ring mold according to claim 1, characterized in that: A guiding hole (7) is provided on the inner edge of the middle template (2), and the guiding hole (7) penetrates through the lower template (1) and the upper template (3).

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