Right-angle refraction pouring gate structure achieved through pitched roof

By using the angled top and right-angle gate channel design, the problem of gate residue affecting the appearance during the injection molding of the left and right side panels of the car rear door is solved, realizing the concealment of gate residue on the inside of the product and convenient mold operation.

CN223701546UActive Publication Date: 2025-12-23ZHEJIANG WANHAO MOLD & PLASTIC
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Patent Information

Application Number
CN202423312706.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-23
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

During the injection molding process of the left and right side panels of the car's rear door, gate residue causes unevenness on the product surface, affecting its appearance and aesthetics.

Method used

The right-angle refraction gate structure, achieved by using a sloping top, ensures that the gate residue is located inside the product through the design of the sloping top and right-angle gate channel, thus avoiding affecting the appearance.

Benefits of technology

It effectively conceals gate residue, improves product appearance quality and strength, and facilitates mold installation and disassembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of molds, in particular to a right-angle refraction sprue structure realized through a pitched roof, which comprises a top plate, a heat flow template arranged on the top plate, a female template arranged at the bottom end of the heat flow template and a male template arranged at the bottom end of the female template, and is characterized in that square iron is arranged at the bottom end of the male template and is fixedly connected with a bottom plate; a base is arranged on the bottom plate, and a submarine gate and an injection molding cavity are formed between the female mold plate and the male mold plate. When a product is subjected to injection molding production through the injection molding assembly, plastic enters the right-angle sprue channel through the submarine gate and then reaches the injection molding cavity to enable the product to be subjected to injection molding, and the inclined top right-angle sprue channel is designed on the basis of the submarine gate to be matched with the submarine gate, so that sprue residues of the produced product appear on the inner side of the back surface of the product; the appearance is not influenced, the performance strength is high and the quality is good.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially relates to a right angle refraction sprue structure is realized through bevel. BACKGROUND

[0002] Mould realizes the processing of article appearance mainly through the change of the physical state of the formed material, is an indispensable part in industrial production, it has the title of " industry mother " widely used in blanking, die forging, cold heading, extrusion, powder metallurgy part press, pressure casting, and the pressure plastic or injection molding of engineering plastics, rubber, ceramic products forming processing.

[0003] In the production process of the left and right side guards of the back door on the car, in most cases, the left and right side guards of the back door are injection molded in the mold, due to the deviation of the precision of the mold due to long-term use or design reasons, or the influence of injection molding process and injection molding machine stability and other factors, so that there is a little sprue residual in the injection molding process, and most of the structures are simple in the injection molding process, and the injection molding is completed by the feeding of the straight-through bottom end of the latent sprue, so that the sprue residual appears on the outer end face or the bottom end face of the product, and the appearance of the sprue residual on the outer end face or the bottom end face will cause the product surface to be uneven, affecting the touch feeling and appearance.

[0004] Therefore, a right angle refraction sprue structure realized by bevel is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a right angle refraction sprue structure realized by bevel to solve the problem of sprue residual on the top end face of the left and right side guards of the back door in the background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a right angle refraction sprue structure realized by bevel, including top plate, hot flow template arranged on the top plate, mother template arranged at the bottom end of the hot flow template and male template arranged at the bottom end of the mother template, characterized in that the bottom end of the male template is provided with square iron, the square iron is fixedly connected with bottom plate, the bottom plate is provided with base, the mother template and the male template form latent sprue and injection cavity; the male template is provided with injection assembly for changing the position of product sprue residual, the injection assembly includes straight rod arranged in the male template, the straight rod is provided with bevel, the bevel is fixedly connected with sliding block, the bevel is provided with right angle sprue channel, and the right angle sprue channel is communicated with the injection cavity.

[0007] Preferably, the connecting table is provided with lifting assembly, the straight rod is fixedly connected with the lifting assembly, and the straight rod is slidingly connected in the male template.

[0008] Preferably, the inclined top is provided with a sliding groove, and the sliding block is slidably connected in the sliding groove.

[0009] Preferably, the bottom plate is provided with a limiting groove, and the clamping plate is slidably connected in the limiting groove.

[0010] Preferably, the bottom plate is rotatably connected with a threaded rod, and the threaded rod is threadedly connected with the moving block.

[0011] Preferably, the bottom plate is slidably connected with a clamping plate, and the clamping plate is fixedly connected with the spring between the bottom plate and the base.

[0012] Preferably, the base is provided with a clamping groove matched with the clamping plate and a clamping hole matched with the clamping plate, and the two sides of the moving block are provided in an inclined manner with the same angle as the end of the clamping plate.

[0013] The present application has the following beneficial effects:

[0014] 1. The injection molding assembly enables the product to be injection molded when the product is injection molded, the plastic enters the right-angle gate channel through the latent gate and reaches the injection molding cavity, the product is injection molded, the inclined top right-angle gate channel is designed on the basis of the latent gate, the product gate residue appears on the inside of the back of the product, the appearance is not affected, the performance strength is high, and the quality is good.

[0015] 2. The threaded rod can move the clamping plate and the moving block, so that the clamping plate is connected in the clamping groove, and the clamping plate is moved into the clamping hole for limiting connection when the moving block moves, that is, the bottom plate is limited and fixed in the horizontal and vertical positions of the bottom plate, so that the entire mold device is limited and fixed in the base, and the entire device is convenient for installation and disassembly of the mold device. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a whole structure schematic view of the right-angle refraction gate structure realized by the inclined top of the embodiment of the present application.

[0018] Figure 2 It is an inclined top structure schematic view of the right-angle refraction gate structure realized by the inclined top of the embodiment of the present application.

[0019] Figure 3 Figure 1 is a schematic diagram of a public template part sectional structure of a right-angle refraction gate structure realized by an inclined top according to an embodiment of the present application;

[0020] Figure 4 Figure 2 is a schematic diagram of a public template structure of a right-angle refraction gate structure realized by an inclined top according to an embodiment of the present application;

[0021] Figure 5 Figure 3 is a schematic diagram of a right-angle refraction gate structure realized by an inclined top according to an embodiment of the present application; Figure 4 Figure 4 is a schematic diagram of an enlarged structure at A in Figure 3;

[0022] Figure 6 Figure 5 is a schematic diagram of a molded product structure of a right-angle refraction gate structure realized by an inclined top according to an embodiment of the present application;

[0023] Figure 7 Figure 6 is a schematic diagram of a bottom plate sectional structure of a right-angle refraction gate structure realized by an inclined top according to an embodiment of the present application.

[0024] In the figure, 1 is a top plate, 2 is a hot flow template, 201 is a female template, 202 is a public template, 3 is a square iron, 4 is a bottom plate, 5 is a base, 6 is a latent gate, 7 is an injection cavity, 8 is a straight rod, 9 is an inclined top, 10 is a sliding block, 11 is a right-angle gate channel, 12 is a lifting assembly, 13 is a sliding groove, 14 is a clamping plate, 15 is a moving block, 16 is a threaded rod, 17 is a through hole, 18 is a clamping plate, 19 is a spring, 20 is a clamping groove, and 21 is a bayonet. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below with specific embodiments.

[0026] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present application should be understood as the common meanings understood by those skilled in the art to which the present application belongs. The terms "first", "second" and similar terms used in the present application do not represent any order, number or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects listed before the terms cover the elements or objects listed after the terms and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships may also change accordingly.

[0027] As Figures 1 to 7 shown, the utility model discloses a right-angle refraction gate structure realized through inclined roof, including roof 1, the hot flow template 2 of being arranged on roof 1, the female die plate 201 of being arranged at the bottom end of hot flow template 2 and the male die plate 202 of being arranged at the bottom end of female die plate 201, the bottom end of male die plate 202 is equipped with square iron 3, and square iron 3 is fixedly connected with bottom plate 4, and bottom plate 4 is equipped with pedestal 5, and female die plate 201 and male die plate 202 form latent gate 6 and injection cavity 7 between, be equipped with injection assembly for changing product gate residual position in male die plate 202, through setting injection assembly, the gate residual that product leaves can not influence normal use of product when producing injection, and will not influence its appearance quality in use process, and injection assembly includes straight rod 8 in male die plate 202, be equipped with inclined roof 9 in straight rod 8, and inclined roof 9 is fixedly connected with sliding block 10, and be equipped with right-angle gate channel 11 in inclined roof 9, and right-angle gate channel 11 is communicated with injection cavity 7.

[0028] As Figures 1 to 7 shown, specifically, when product injection molding, plastic enters between female die plate 201 and male die plate 202 through latent gate 6, enters right-angle gate channel 11 in inclined roof 9 through connected latent gate 6, latent gate 6 is dotted line part, then under the action of pressure, plastic enters injection cavity 7 through right-angle gate channel 11 and gradually forms, to form product, at this time, after product molding, because the residual position of right-angle gate channel 11 connected injection cavity 7 is located in the inside of product, as Figure 7As shown, so that the gate remains will appear in the inner side of the product, and the traditional mold after forming, due to the different position of injection channel, its gate remains position is in the outer side or the bottom end of the product, at this time, the design of the right angle gate channel 11 in the application makes the gate remains position different, plus the installation position of the product in the car, when installed, the inner side is in the hidden state, outsiders can't see and also can't touch, so that the change of the gate remains position makes the product after forming, installation and use, there will be no quality influence on the appearance, and the traditional remains after cutting and polishing, the traces left will affect the product quality and strength, therefore, compared with the traditional mold, although the gate remains in various reasons will more or less appear, but the design of the right angle gate channel 11 makes the gate remains not affect the appearance quality, the square iron 3 is provided with a lifting assembly 12, the straight rod 8 is fixedly connected to the lifting assembly 12, and the straight rod 8 is slidingly connected in the male mold plate 202, the inclined top 9 is provided with a sliding groove 13, and the sliding block 10 is slidingly connected in the sliding groove 13, the bottom end of the inclined top 9 is in a suspended state, the inclined top 9 is inclinedly placed in the male mold plate 202, and after injection molding, the female mold plate 201 is opened, the lifting assembly 12 is started to move the straight rod 8 upward, so as to drive the inclined top 9 to move upward, since the inclined top 9 is inclinedly placed in the male mold plate 202, the inclined top 9 is in an inclined state in the male mold plate 202 and moves upward, so that the sliding block 10 on the inclined top 9 moves in the sliding groove 13, the inclined top 9 moves upward, so as to gradually push the product at the top away from the male mold plate 202 to realize demolding, and the inclined top 9 is inclined upward when ejecting, which can more effectively push the product out of the male mold plate 202, and the inclined movement mode can increase the ejection force and ensure that the product can smoothly separate from the mold.

[0029] As Figures 1 to 7As shown, in particular, and in the production process of the mold is frequently replaced, so as to use production not type accessories, the bottom plate 4 is provided with a limiting slot, and the limiting slot is slidably connected with the clamping plate 14, the clamping plate 14 is fixedly connected with the moving block 15, the bottom plate 4 is rotatably connected with the threaded rod 16, and the threaded rod 16 is threadedly connected with the moving block 15, the threaded rod 16 is a bidirectional threaded rod, the base 5 is provided with a through hole 17 for the tool to rotate the threaded rod 16, and in the process of frequently replacing the mold, the bottom plate 4 and the top end of the mold components are placed into the base 5, the threaded rod 16 is rotated through the through hole 17 by the tool, so that the moving block 15 and the clamping plate 14 move in the limiting slot, the bottom plate 4 is slidably connected with the buckle plate 18, and the buckle plate 18 is fixedly connected with the spring 19 between the base 5, the base 5 is provided with a clamping groove 20 matched with the clamping plate 14 and a clamping hole 21 matched with the buckle plate 18, the two sides of the moving block 15 and the end of the buckle plate 18 are arranged in the same angle of inclination, the clamping plate 14 gradually moves into the clamping groove 20 in the base 5, so as to realize the limiting connection between the bottom plate 4 and the base 5, that is, the limiting connection of the whole mold in the base 5 is completed, and in the moving process of the moving block 15, the moving block 15 gradually contacts the buckle plate 18, and because the two sides of the moving block 15 and the end of the buckle plate 18 are arranged in the same angle of inclination, the buckle plate 18 gradually moves into the clamping hole 21 in the base 5 for limiting connection, and the movement of the buckle plate 18 makes the spring 19 shrink under stress to generate a reaction force, at this time, the clamping plate 14 is limitedly connected in the clamping groove 20, the buckle plate 18 is limitedly connected in the clamping hole 21, that is, the whole mold is quickly installed in the base 5, the base 5 is fixed by bolts for a long time, and when the whole mold assembly needs to be disassembled, the threaded rod 16 is reversely rotated to make the moving block 15 and the clamping plate 14 move back to disengage from the clamping groove 20, the moving block 15 moves back to disengage from the buckle plate 18, so that the buckle plate 18 is no longer extruded by the moving block 15 and moves back under the reaction force of the spring 19, at this time, the whole mold device is no longer limited by the connection of the clamping plate 14 and the buckle plate 18, so that the whole mold device can be removed.

[0030] Those of ordinary skill in the art will understand that the above discussion of any embodiment is only exemplary and is not intended to limit the scope of the present application (including claims) to these examples; the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0031] The present application is intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any and all such alternations, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A right-angle refraction gate structure achieved by an inclined top, comprising a top plate (1), a hot flow template (2) disposed on the top plate (1), a female template (201) disposed at the bottom end of the hot flow template (2), and a male template (202) disposed at the bottom end of the female template (201), characterized in that, The bottom end of the male template (202) is provided with a square iron (3), and a base plate (4) is fixedly connected to the square iron (3). A base (5) is provided on the base plate (4). A submerged gate (6) and an injection cavity (7) are formed between the female template (201) and the male template (202). The public template (202) is provided with an injection molding component for changing the residual position of the product gate. The injection molding component includes a straight rod (8) provided in the public template (202). The straight rod (8) is provided with an inclined top (9). A slider (10) is fixedly connected to the inclined top (9). A right-angle gate channel (11) is opened in the inclined top (9), and the right-angle gate channel (11) is connected to the injection cavity (7).

2. The right-angle refraction gate structure achieved by an inclined top according to claim 1, characterized in that, The square iron (3) is provided with a lifting assembly (12), the straight rod (8) is fixedly connected to the lifting assembly (12), and the straight rod (8) is slidably connected in the template (202).

3. The right-angle refraction gate structure achieved by an inclined top according to claim 1, characterized in that, The inclined top (9) has a groove (13) and the slider (10) is slidably connected in the groove (13), and the bottom end of the inclined top (9) is in a suspended state.

4. The right-angle refraction gate structure achieved by an inclined top according to claim 1, characterized in that, The base plate (4) is provided with a limiting groove, and a card plate (14) is slidably connected in the limiting groove. A moving block (15) is fixedly connected on the card plate (14).

5. The right-angle refraction gate structure achieved by an inclined top according to claim 4, characterized in that, A threaded rod (16) is rotatably connected in the base plate (4), and the threaded rod (16) is threadedly connected to the moving block (15). The threaded rod (16) is a bidirectional threaded rod. A through hole (17) is provided in the base (5) for the tool to pass through and rotate the threaded rod (16).

6. The right-angle refraction gate structure achieved by an inclined top according to claim 4, characterized in that, A buckle plate (18) is slidably connected to the base plate (4), and a spring (19) is fixedly connected between the buckle plate (18) and the base (5).

7. A right-angle refraction gate structure achieved by an inclined top according to claim 6, characterized in that, The base (5) is provided with a slot (20) that matches the card plate (14) and a latch (21) that matches the buckle plate (18). The two sides of the moving block (15) are inclined at the same angle as the end of the buckle plate (18).