Runner intercepting mechanism of injection mold for children's toilet accessories

Abstract

The utility model discloses a flow channel intercepting mechanism of an injection mold for children toilet bowl accessories, which belongs to the technical field of injection molds for toilet bowls and comprises a mold body and an injection hole channel, the injection hole channel is arranged in the middle of the mold body, and a first main flow channel, a second main flow channel and a third main flow channel are arranged on the inner surface of the mold body. A plurality of symmetrically distributed forming cavity sub-runners are arranged on the inner surface of the mold body, the first main runner, the second main runner and the third main runners communicate with the forming cavity sub-runners correspondingly, and the two third main runners communicate with the two forming cavity sub-runners in the middle correspondingly; according to the mold, a molding cavity runner which does not need to be subjected to injection molding can be selectively closed in various different modes, and the mold is suitable for different injection molding requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to a toilet injection mold technical field, specifically is a children's toilet accessory injection mold flow channel cut flow mechanism. BACKGROUND

[0002] In recent years, with the sustained development of economy and the improvement of residents' living standards, the children's toilet market has gradually attracted widespread attention. In 2019, China's children's toilet market size has reached a certain level, and has maintained a same proportion growth. In the next few years, driven by the growth of newborns and the upgrading of household consumption, the market size will continue to maintain a high growth trend.

[0003] At present, the children's toilet is usually made of plastic material, and some accessories are injection molded by injection mold. The existing children's toilet accessory injection mold can form a large number of accessories in one mold during injection molding. However, the injection flow of the existing one-mold injection mold is interconnected, and in some special injection molding, some molding cavities do not need to add plastic melt. Therefore, it is necessary to put forward a children's toilet accessory injection mold flow channel cut flow mechanism. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a children's toilet accessory injection mold flow channel cut flow mechanism to at least partly solve the above technical problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including mold body, injection hole, injection hole is arranged in the middle part of mold body, the inner surface of mold body is provided with first main flow channel, second main flow channel and third main flow channel, the inner surface of mold body is provided with a plurality of symmetrically distributed molding cavity shunt, first main flow channel, second main flow channel and third main flow channel are communicated with a plurality of molding cavity shunt respectively, wherein the third main flow channel is two respectively with the two molding cavity shunt of middle part, the middle part of mold body is inserted with cut-off block, cut-off block respectively first main flow channel, second main flow channel and third main flow channel are separated from each other;

[0006] The outer wall of the cut-off block is provided with a through hole communicating with the injection hole, the through hole is communicated with the first main flow channel, the inner surface of the cut-off block is symmetrically provided with three communicating butt joints at the through hole part, and the butt joints are used to convey plastic solution to the first main flow channel, the second main flow channel and the third main flow channel.

[0007] The cut-off block is fixed by bolts, and a plurality of cut-off adjusting holes are formed in the middle part of the mold body for installing the cut-off block.

[0008] Preferably, the flow interception adjusting hole comprises a first screw hole, a second screw hole, a third screw hole and a fourth screw hole, when the bolt is located in the first screw hole, one of the butt flow channels is in butt communication with the first main flow channel, when the bolt is located in the second screw hole, two butt flow channels are in butt communication with the first main flow channel and the second main flow channel respectively, when the bolt is located in the third screw hole, two butt flow channels are in butt communication with two third main flow channels respectively, and when the bolt is located in the fourth screw hole, the butt flow channel is in butt communication with the second main flow channel.

[0009] Preferably, the first main flow channel is distributed below the mold body, the second main flow channel is distributed above the mold body, and the third main flow channel is distributed at the middle part of the mold body.

[0010] Preferably, the plurality of forming cavity distribution channels are longitudinally distributed on both sides of the middle part of the mold body.

[0011] Preferably, the connection part of the flow interception block and the mold body is tightly fitted.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: when the utility model is used, the injection solution can be respectively delivered into the forming cavities needing injection molding through the rotation of the flow interception block and the plurality of butt flow channels arranged on the flow interception block, the first main flow channel, the second main flow channel and the third main flow channel can be closed through the rotation of the flow interception block, the injection solution can be delivered into different forming cavities according to the injection molding demand of products, the injection molding cycle can be shortened, and the material waste phenomenon can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0014] Figure 1 It is the mold injection flow channel surface structure schematic diagram of this embodiment;

[0015] Figure 2 It is the flow interception block extraction structure schematic diagram of this embodiment;

[0016] Figure 3 It is the flow interception block adjustment structure schematic diagram of this embodiment; Figure 2

[0017] Figure 4 It is the flow interception block adjustment structure schematic diagram of this embodiment;

[0018] Figure 5 It is the flow interception block adjustment structure schematic diagram of this embodiment;​

[0019] Figure 6 Fig. 4 is a schematic view of the structure of the flow blocking block after adjustment.

[0020] In the drawings, the components represented by the reference numbers are listed as follows:

[0021] 1, mold body; 11, injection channel; 12, flow blocking adjustment hole; 13, first screw hole; 14, second screw hole; 15, third screw hole; 16, fourth screw hole; 2, molding cavity distribution channel; 3, first main channel; 4, second main channel; 5, third main channel; 6, flow blocking block; 61, butt joint channel; 7, bolt. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-6 The present application provides a technical solution: a flow blocking mechanism for a child toilet accessory injection mold runner, comprising a mold body 1, an injection channel 11, the injection channel 11 being arranged at the middle part of the mold body 1, a first main channel 3, a second main channel 4 and a third main channel 5 being arranged on the inner surface of the mold body 1, a plurality of symmetrically distributed molding cavity distribution channels 2 being arranged on the inner surface of the mold body 1, the first main channel 3, the second main channel 4 and the third main channel 5 being respectively communicated with the plurality of molding cavity distribution channels 2, wherein the third main channel 5 is two and respectively communicated with two molding cavity distribution channels 2 at the middle part, a flow blocking block 6 being inserted into the middle part of the mold body 1, the flow blocking block 6 respectively separating the first main channel 3, the second main channel 4 and the third main channel 5 from each other;

[0024] A through hole communicated with the injection channel 11 is arranged on the outer wall of the flow blocking block 6, the through hole is communicated with the first main channel 3, three butt joint channels 61 communicated with each other are symmetrically arranged on the inner surface of the flow blocking block 6 at the position of the through hole, and the butt joint channels 61 are used for conveying plastic solution to the first main channel 3, the second main channel 4 and the third main channel 5;

[0025] The flow blocking block 6 is fixed by a bolt 7, and a plurality of flow blocking adjustment holes 12 are arranged on the middle part of the mold body 1 for installing the flow blocking block 6;

[0026] The injection molding solution is respectively transported into the molding cavity of the mold body 1 through the plurality of molding cavity distribution channels 2 arranged on the injection molding surface of the mold body 1, the first main flow channel 3, the second main flow channel 4 and the third main flow channel 5 are respectively separated by the intercepting block 6 arranged at the middle part of the mold body 1, the injection molding solution can be respectively transported into the molding cavity needing injection molding through the plurality of butt flow channels 61 arranged on the intercepting block 6 by rotating the intercepting block 6, and the first main flow channel 3, the second main flow channel 4 and the third main flow channel 5 can be closed by rotating the intercepting block 6, the injection molding solution can be transported into different molding cavities according to the injection molding demand, the injection molding cycle can be shortened and the material waste phenomenon can be reduced.

[0027] Further preferably, the intercepting adjusting hole 12 includes a first screw hole 13, a second screw hole 14, a third screw hole 15 and a fourth screw hole 16, when the bolt 7 is located in the first screw hole 13, one of the butt flow channels 61 is in butt connection with the first main flow channel 3, when the bolt 7 is located in the second screw hole 14, two butt flow channels 61 are respectively in butt connection with the first main flow channel 3 and the second main flow channel 4, when the bolt 7 is located in the third screw hole 15, two butt flow channels 61 are respectively in butt connection with two third main flow channels 5, and when the bolt 7 is located in the fourth screw hole 16, the butt flow channel 61 is in butt connection with the second main flow channel 4;

[0028] When the bolt 7 is fixed in the first screw hole 13 through the intercepting block 6, one of the butt flow channels 61 is in complete butt connection with the first main flow channel 3 below, and the other two butt flow channels 61 are not in butt connection with other main flow channels, the third main flow channel 5 and the third main flow channel 5 can be closed at the same time, when the bolt 7 is located in the second screw hole 14, two butt flow channels 61 are respectively in butt connection with the first main flow channel 3 and the second main flow channel 4, and two third main flow channels 5 on both sides can be closed, when the bolt 7 is located in the third screw hole 15, two butt flow channels 61 are respectively in butt connection with two third main flow channels 5, the first main flow channel 3 and the second main flow channel 4 are closed, when the bolt 7 is located in the fourth screw hole 16, one of the butt flow channels 61 is in butt connection with the third flow channel 4, the first main flow channel 3 and the second main flow channel 4 are closed, the molding cavity flow channel not needing injection molding can be closed in a variety of different ways, and it is suitable for different injection molding demands.

[0029] Further preferably, the first main flow channel 3 is distributed below the mold body 1, the second main flow channel 4 is distributed above the mold body 1, and the third main flow channel 5 is distributed at the middle part of the mold body 1.

[0030] The first main flow channel 3 is located above the mold body 1 and is used for transporting the solution to the molding cavity below the mold body 1, the second main flow channel 4 is used for transporting the solution to the molding cavity above, and the third main flow channel 5 is used for transporting the solution to the molding cavity at the middle part.

[0031] Further preferably, the plurality of molding cavity distribution channels 2 are two rows and are respectively longitudinally distributed on both sides of the middle part of the mold body 1.

[0032] Further preferably, the intercepting block 6 is tightly attached to the connecting part of the mold body 1.

[0033] The intercepting block 6 is inserted into the middle part of the mold body 1 and can rotate without leaking the plastic solution into the connecting gap between the intercepting block 6 and the mold body 1, thus not affecting the delivery of the solution.

[0034] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0035] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the present application can be understood according to the specific meaning of the above-mentioned terms in the present application according to the specific circumstances.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A flow channel interception mechanism for an injection mold of a child toilet seat accessory, comprising a mold body (1) and an injection channel (11), wherein the injection channel (11) is disposed in the middle part of the mold body (1), characterized in that: The inner surface of the mold body (1) is provided with a first main channel (3), a second main channel (4) and a third main channel (5). The inner surface of the mold body (1) is provided with a plurality of symmetrically distributed molding cavity sub-channels (2). The first main channel (3), the second main channel (4) and the third main channel (5) are respectively connected to the plurality of molding cavity sub-channels (2). The third main channel (5) consists of two channels that are respectively connected to the two molding cavity sub-channels (2) in the middle part. A flow-blocking block (6) is inserted into the middle part of the mold body (1). The flow-blocking block (6) separates the first main channel (3), the second main channel (4) and the third main channel (5) from each other. The outer wall of the intercepting block (6) is provided with an opening that communicates with the injection channel (11). The opening is connected to the first main channel (3). The inner surface of the intercepting block (6) is symmetrically provided with three interconnecting flow channels (61) at the opening. The flow channels (61) are used to deliver plastic solution to the first main channel (3), the second main channel (4) and the third main channel (5). The flow-blocking block (6) is fixed by bolts (7), and multiple flow-blocking adjustment holes (12) are provided in the middle of the mold body (1) for installing the flow-blocking block (6).

2. The flow interception mechanism for the injection mold of a child toilet seat accessory according to claim 1, characterized in that: The flow control hole (12) includes a first screw hole (13), a second screw hole (14), a third screw hole (15) and a fourth screw hole (16). When the bolt (7) is located in the first screw hole (13), one of the connecting flow channels (61) is connected to the first main flow channel (3). When it is located in the second screw hole (14), the two connecting flow channels (61) are connected to the first main flow channel (3) and the second main flow channel (4) respectively. When it is located in the third screw hole (15), the two connecting flow channels (61) are connected to the two third main flow channels (5) respectively. When it is located in the fourth screw hole (16), the connecting flow channel (61) is connected to the second main flow channel (4).

3. The flow interception mechanism for the injection mold of a child toilet seat accessory according to claim 1, characterized in that: The first main channel (3) is located below the mold body (1), the second main channel (4) is located above the mold body (1), and the third main channel (5) is located in the middle part of the mold body (1).

4. The flow interception mechanism for the injection mold of a child toilet seat accessory according to claim 1, characterized in that: The multiple forming cavity distribution channels (2) are arranged in two rows longitudinally on both sides of the middle of the mold body (1).

5. The flow interception mechanism for the injection mold of a child toilet seat accessory according to claim 4, characterized in that: The flow interceptor (6) is closely fitted to the connection part of the mold body (1).

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