U-shaped glue feeding mechanism of electric vehicle pedal injection molding mold

Abstract

The utility model provides a U-shaped glue feeding mechanism of an electric vehicle pedal injection molding mold, and belongs to the technical field of molds. The mold comprises an upper mold plate and a lower mold plate, a molding cavity is arranged between the upper mold plate and the lower mold plate, the molding cavity is formed by combining an upper molding surface arranged on the upper mold plate and a lower molding surface arranged on the lower mold plate, and a U-shaped glue feeding structure connected with the side part of the molding cavity is also arranged between the upper mold plate and the lower mold plate. The forming cavity composed of the upper forming face and the lower forming face can be used for forming the electric vehicle pedal in an injection molding mode, and injection molding liquid can be injected into the forming cavity from the side portion of the forming cavity through the U-shaped glue inlet structure arranged between the upper mold plate and the lower mold plate. Therefore, the glue opening can be formed in the side portion of the pedal product so as to reduce the influence of the glue opening on the quality of the outer surface of the product, the U-shaped glue inlet structure can also inject injection molding liquid into the forming cavity from two points at the same time after the injection molding liquid is shunted, and the injection molding efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a U-shaped glue feeding mechanism of an injection molding mold for an electric vehicle pedal. Background Art

[0002] The pedals of electric vehicles are generally molded by injection molding. During the injection molding of the pedal mold in the prior art, glue is generally injected directly into the molding cavity from the upper side through an injection tube. However, in this way, a glue hole will be formed on the upper surface of the product after the product is injection molded, which will affect the outer surface quality of the pedal product.

[0003] For example, a Chinese patent discloses a pedal injection mold [application number: 201920388239.9], comprising a first side plate, a first template, a second template and a second side plate, wherein an injection molding groove is formed between the first template and the second template, the first side plate is arranged on the outside of the first template, and an injection molding runner and a slider are arranged on the first side plate, and during injection molding, the injection molding runner and the slider pass through the first template and extend into the injection molding groove, wherein the front end of the slider is at an end position of the workpiece that is easy to break, a plurality of springs are arranged between the first side plate and the first template, and the springs are in a compressed state during injection molding, the second side plate is arranged on the outside of the second template, and a push rod is arranged on the second side plate to be inserted into the second template, a side plate driving device is arranged on one side of the second template, and the second side plate is driven to move by the side plate driving device. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a U-shaped glue feeding mechanism for an injection molding die of an electric vehicle pedal.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A U-shaped glue feeding mechanism of an injection molding mold for an electric vehicle pedal comprises an upper template and a lower template, a molding cavity is arranged between the upper template and the lower template, the molding cavity is formed by a combination of an upper molding surface arranged on the upper template and a lower molding surface arranged on the lower template, a U-shaped glue feeding structure connected to the side of the molding cavity is also arranged between the upper template and the lower template, and a pedal mounting column molding structure is also arranged on the lower template.

[0007] In the above-mentioned U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold, the U-shaped glue feeding structure includes a U-shaped glue feeding channel which is recessed inwardly and arranged on the upper template and the lower template. The U-shaped glue feeding channels on the upper template and the lower template are arranged correspondingly, and the U-shaped glue feeding channel is connected to the side of the molding cavity through two glue outlets.

[0008] In the above-mentioned U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold, the pedal mounting column molding structure includes three groups of pedal mounting column molding grooves respectively arranged on the left side, middle and right side of the lower template, each group of pedal mounting column molding grooves is composed of three pedal mounting column molding grooves, and the cross-section of the pedal mounting column molding groove is circular and is concave inwardly arranged on the lower template.

[0009] In the above-mentioned U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold, a top plate is also provided on the lower side of the lower template, and a plurality of mounting column connecting hole forming rods corresponding to the pedal mounting column forming grooves are provided on the top plate. The mounting column connecting hole forming rods are vertically inserted into the pedal mounting column forming grooves, and the outer diameter of the mounting column connecting hole forming rods is smaller than the inner diameter of the pedal mounting column forming grooves.

[0010] In the U-shaped glue feeding mechanism of the injection molding mold for the electric vehicle pedal, a plurality of straight push rods are also provided on the top plate, and the top ends of the straight push rods vertically penetrate the lower mold plate and are flush with the top end of the lower mold plate.

[0011] In the U-shaped glue feeding mechanism of the injection molding mold for the electric vehicle pedal, a pedal reinforcing rib plate molding structure is also provided on the lower mold plate.

[0012] In the U-shaped glue feeding mechanism of the injection molding mold of the electric vehicle pedal, the pedal reinforcing rib plate molding structure includes a plurality of transverse rib plate molding grooves and longitudinal rib plate molding grooves which are recessed inwardly and arranged on the lower mold plate.

[0013] In the U-shaped glue feeding mechanism of the injection molding mold for the electric vehicle pedal, the upper mold plate is also provided with an anti-slip portion molding structure.

[0014] In the above-mentioned U-shaped glue feeding mechanism of the injection molding mold for the electric vehicle pedal, the anti-slip portion molding structure includes two anti-slip portion molding parts symmetrically arranged on both sides of the upper molding surface.

[0015] In the above-mentioned U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold, the anti-slip part molding structure also includes a plurality of anti-slip strip molding grooves recessed inwardly on the lower molding surface, and the plurality of anti-slip strip molding grooves are arranged in parallel and between the two anti-slip part molding parts.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. The molding cavity composed of the upper molding surface and the lower molding surface can be used for injection molding of the electric vehicle pedal. The U-shaped injection structure provided between the upper mold plate and the lower mold plate can be used to inject the injection liquid into the molding cavity from the side of the molding cavity, so that the injection port can be formed on the side of the pedal product to reduce the influence of the injection port on the outer surface quality of the product. The U-shaped injection structure can also divert the injection liquid and inject it into the molding cavity from two points at the same time, which can improve the injection efficiency.

[0018] 2. The pedal mounting column molding structure can form a mounting column for mounting the pedal at the bottom of the pedal during the injection molding of the pedal product, without the need for post-processing, which can improve the production efficiency of the pedal product.

[0019] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the external structure of the utility model;

[0021] Figure 2 It is a partial structural schematic diagram of the utility model;

[0022] Figure 3 It is a structural diagram of the lower template;

[0023] Figure 4 It is a structural diagram of the upper template.

[0024] In the figure, an upper template 1, a lower template 2, an upper molding surface 3, a lower molding surface 4, a U-shaped glue inlet structure 5, a pedal mounting column molding structure 6, a U-shaped glue inlet channel 7, a pedal mounting column molding groove 8, a top plate 9, a mounting column connecting hole molding rod 10, a straight top rod 11, a transverse rib plate molding groove 12, a longitudinal rib plate forming groove 13, an anti-slip portion molding portion 14, and an anti-slip strip molding groove 15. DETAILED DESCRIPTION

[0025] As Figure 1-Figure 4 As shown, a U-shaped glue feeding mechanism of an injection molding mold for an electric vehicle pedal comprises an upper template 1 and a lower template 2, a molding cavity is arranged between the upper template 1 and the lower template 2, the molding cavity is formed by a combination of an upper molding surface 3 arranged on the upper template 1 and a lower molding surface 4 arranged on the lower template 2, a U-shaped glue feeding structure 5 connected to the side of the molding cavity is also arranged between the upper template 1 and the lower template 2, and a pedal mounting column molding structure 6 is also arranged on the lower template 2.

[0026] In the utility model, the molding cavity composed of the upper molding surface 3 and the lower molding surface 4 can be used for injection molding of the electric vehicle pedal. The U-shaped injection structure 5 arranged between the upper mold plate and the lower mold plate 2 can be used to inject the injection liquid into the molding cavity from the side of the molding cavity, so that the injection port can be molded on the side of the pedal product to reduce the influence of the injection port on the outer surface quality of the product. The U-shaped injection structure 5 can also divert the injection liquid and inject it into the molding cavity from two points at the same time, which can improve the injection efficiency.

[0027] Secondly, the pedal mounting column molding structure 6 can form a mounting column for mounting the pedal at the bottom of the pedal during the injection molding of the pedal product, without the need for post-processing, thereby improving the production efficiency of the pedal product.

[0028] Specifically, the U-shaped glue inlet structure 5 includes a U-shaped glue inlet flow channel 7 which is recessed inwardly and arranged on the upper mold plate 1 and the lower mold plate 2. The U-shaped glue inlet flow channels 7 on the upper mold plate 1 and the lower mold plate 2 are arranged correspondingly, and the U-shaped glue inlet flow channel 7 is connected to the side of the molding cavity through two glue outlets. The injection liquid can be injected into the integrity cavity from the two glue outlets to the side of the molding cavity through the U-shaped glue inlet flow channel 7, so that the glue outlet can be formed on the side of the pedal product to reduce the influence of the glue outlet on the outer surface quality of the product, and the injection efficiency can be improved by injecting glue into the molding cavity through the two glue outlets.

[0029] Specifically, the pedal mounting column forming structure 6 includes three groups of pedal mounting column forming grooves 8 respectively arranged on the left side, the middle and the right side of the lower template 2, each group of pedal mounting column forming grooves 8 is composed of three pedal mounting column forming grooves 8, and the cross-section of the pedal mounting column forming grooves 8 is circular and inwardly concave and arranged on the lower template 2. The three groups of pedal mounting column forming grooves 8 can form three groups of outwardly protruding pedal mounting columns at the bottom of the foot pedal product, without the need for post-processing, and can improve the production efficiency of the foot pedal product.

[0030] Specifically, a top plate 9 is further provided on the lower side of the lower template 2, and a plurality of mounting column connection hole forming rods 10 corresponding to the pedal mounting column forming grooves 8 are provided on the top plate 9, and the mounting column connection hole forming rods 10 are vertically inserted into the pedal mounting column forming grooves 8, and the outer diameter of the mounting column connection hole forming rods 10 is smaller than the inner diameter of the pedal mounting column forming grooves 8. The mounting column connection hole forming rods can form mounting column connection holes in the pedal mounting column, and when the product is ejected, the top plate moves upward to apply an upward thrust to the pedal mounting column through the mounting column connection hole forming rods, thereby assisting the ejection of the product.

[0031] Specifically, a plurality of straight push rods 11 are provided on the top plate 9, and the top ends of the straight push rods 11 vertically penetrate the lower mold plate 2 and are flush with the top end of the lower mold plate 2. After the product is injection molded, the top plate moves upward to apply a vertical upward thrust to the product through the plurality of straight push rods, and the molded rods in the connection holes of the mounting columns can eject the product without damage.

[0032] Preferably, a pedal reinforcing rib plate forming structure is further provided on the lower template 2, and the pedal reinforcing rib plate forming structure includes a plurality of transverse rib plate forming grooves 12 and longitudinal rib plate forming grooves 13 which are recessed inwardly and arranged on the lower template 2. The plurality of transverse rib plate forming grooves 12 and longitudinal rib plate forming grooves 13 can form a plurality of transverse rib plates and a plurality of longitudinal rib plates at the bottom of the pedal product to enhance the overall strength of the pedal product.

[0033] Preferably, the upper mold plate 1 is also provided with an anti-skid portion forming structure, which includes two anti-skid portion forming parts 14 symmetrically arranged on both sides of the upper molding surface 3, and the anti-skid portion forming structure also includes a plurality of anti-skid strip forming grooves 15 recessed inwardly arranged on the lower molding surface 4, and the plurality of anti-skid strip forming grooves 15 are arranged in parallel and arranged between the two anti-skid portion forming parts 14. The two anti-skid portion forming parts 14 can form anti-skid portions on both sides of the top of the pedal product to increase the friction on both sides of the top of the pedal, and the plurality of anti-skid strip forming grooves 15 can form a plurality of anti-skid strips at the middle position of the top of the pedal product to increase the friction at the middle position of the pedal.

[0034] The working principle of the utility model is as follows: the molding cavity composed of the upper molding surface 3 and the lower molding surface 4 can be used for injection molding of the electric vehicle pedal. The U-shaped glue inlet structure 5 arranged between the upper template and the lower template 2 can be used to inject the injection liquid into the molding cavity from the side of the molding cavity, so that the glue port can be molded on the side of the pedal product to reduce the influence of the glue port on the outer surface quality of the product, and the U-shaped glue inlet structure 5 can also divert the injection liquid and inject it into the molding cavity from two points at the same time, which can improve the injection molding efficiency. The pedal mounting column molding structure 6 can form a mounting column for mounting the pedal at the bottom of the pedal when the pedal product is injection molded, without the need for post-processing, which can improve the production efficiency of the pedal product. The injection liquid can be injected into the integrity cavity from the two glue outlets to the side of the molding cavity through the U-shaped glue inlet flow channel 7, so that the glue port can be molded on the side of the pedal product to reduce the influence of the glue port on the outer surface quality of the product, and the injection molding efficiency can be improved by injecting glue into the molding cavity through the two glue outlets.

[0035] The three groups of pedal mounting column forming grooves 8 can form three groups of pedal mounting columns protruding outward at the bottom of the pedal product, without the need for post-processing, which can improve the production efficiency of the pedal product. The mounting column connecting hole forming rod can form a mounting column connecting hole in the pedal mounting column, and when the product is ejected, the top plate moves upward to apply an upward thrust to the pedal mounting column through the mounting column connecting hole forming rod, thereby assisting the product in ejecting. After the product is injection molded, the top plate moves upward to apply a vertical upward thrust to the product through a number of straight ejector rods, and the mounting column connecting hole forming rod can be used to eject the product without damage. A number of transverse rib plate forming grooves 12 and longitudinal rib plate forming grooves 13 can form a number of transverse rib plates and a number of longitudinal rib plates at the bottom of the pedal product to enhance the overall strength of the pedal product.

[0036] Two anti-slip forming parts 14 can form anti-slip parts on both sides of the top of the pedal product to increase the friction on both sides of the top of the pedal. Several anti-slip strip forming grooves 15 can form several anti-slip strips in the middle position of the top of the pedal product to increase the friction in the middle position of the pedal.

[0037] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0038] Although this article makes frequent use of the upper template 1, lower template 2, upper molding surface 3, lower molding surface 4, U-shaped glue inlet structure 5, pedal mounting column molding structure 6, U-shaped glue inlet channel 7, pedal mounting column molding groove 8, top plate 9, mounting column connecting hole molding rod 10, straight top rod 11, transverse rib plate molding groove 12, longitudinal rib plate molding groove 13, anti-slip portion molding portion 14, anti-slip strip molding groove 15, etc., these terms are used only to more conveniently describe and explain the essence of the present utility model; interpreting them as any additional restrictions is contrary to the spirit of the present utility model.

Claims

1. A U-shaped glue feeding mechanism for an injection molding mold for an electric vehicle pedal, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that: A molding cavity is provided between the upper mold plate (1) and the lower mold plate (2), and the molding cavity is formed by a combination of an upper molding surface (3) provided on the upper mold plate (1) and a lower molding surface (4) provided on the lower mold plate (2). A U-shaped glue inlet structure (5) connected to the side of the molding cavity is also provided between the upper mold plate (1) and the lower mold plate (2), and a pedal mounting column molding structure (6) is also provided on the lower mold plate (2).

2. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 1 is characterized in that: The U-shaped glue feeding structure (5) comprises a U-shaped glue feeding channel (7) which is recessed inwardly and arranged on the upper template (1) and the lower template (2); the U-shaped glue feeding channel (7) on the upper template (1) and the lower template (2) are arranged correspondingly; and the U-shaped glue feeding channel (7) is connected to the side of the molding cavity through two glue outlets.

3. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 2 is characterized in that: The pedal mounting column forming structure (6) comprises three groups of pedal mounting column forming grooves (8) respectively arranged on the left side, the middle and the right side of the lower template (2), each group of pedal mounting column forming grooves (8) is composed of three pedal mounting column forming grooves (8), and the cross-section of the pedal mounting column forming grooves (8) is circular and inwardly recessed and arranged on the lower template (2).

4. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 3 is characterized in that: A top plate (9) is also provided on the lower side of the lower template (2), and a plurality of mounting column connection hole forming rods (10) corresponding one to one with the pedal mounting column forming grooves (8) are provided on the top plate (9), and the mounting column connection hole forming rods (10) are vertically inserted into the pedal mounting column forming grooves (8), and the outer diameter of the mounting column connection hole forming rods (10) is smaller than the inner diameter of the pedal mounting column forming grooves (8).

5. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 4 is characterized in that: A plurality of straight push rods (11) are also provided on the top plate (9), and the top ends of the straight push rods (11) vertically penetrate the lower template (2) and are flush with the top end of the lower template (2).

6. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 1 is characterized in that: The lower template (2) is also provided with a pedal reinforcing rib plate forming structure.

7. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 6 is characterized in that: The pedal reinforcing rib plate forming structure comprises a plurality of transverse rib plate forming grooves (12) and longitudinal rib plate forming grooves (13) which are recessed inwardly and arranged on the lower template (2).

8. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 1 is characterized in that: The upper template (1) is also provided with an anti-slip forming structure.

9. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 8, characterized in that: The anti-slip part forming structure comprises two anti-slip part forming parts (14) symmetrically arranged on both sides of the upper forming surface (3).

10. The U-shaped glue feeding mechanism of the electric vehicle pedal injection molding mold according to claim 9, characterized in that: The anti-slip portion forming structure further comprises a plurality of anti-slip strip forming grooves (15) which are recessed inwardly and arranged on the lower forming surface (4); the plurality of anti-slip strip forming grooves (15) are arranged in parallel and between the two anti-slip portion forming parts (14).

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