Multi-channel type injection mold

Abstract

The utility model discloses a multi-channel type injection mold which comprises an upper mold and a lower mold, the upper mold is arranged above the lower mold, a sprue channel is arranged on the surface of the upper mold, an assembling groove is formed in the surface of the lower mold, the bottom of the lower mold is fixedly connected with a base through a supporting seat, and supports are symmetrically installed at the bottom of the base; air suction assemblies are symmetrically installed on the surface of the lower die, a purification groove is formed in the surface of the base, and the purification groove of the base extends to the lower surface of the lower die. And an exhaust fan is fixedly connected to the interior of the purification tank of the base. When injection molding is carried out, the exhaust fan is normally started through external control equipment, part of gas generated in the injection molding process enters the exhaust fan along the gas suction pipe under the action of negative pressure at the opening position of the gas suction cover, and centralized collection and treatment of tail gas are achieved; tail gas enters the filter box along the gas guide pipe and is filtered and purified through the filter element, the tail gas is effectively purified, the comfort degree of the working environment is improved, and environmental protection is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds, and in particular relates to a multi-channel injection mold. Background Art

[0002] Injection molds are tools for producing plastic products; they are also tools that give plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the process of injecting heated and melted plastic into the mold cavity under high pressure by an injection molding machine, and then cooling and solidifying to obtain a molded product;

[0003] After searching, patent announcement number CN218857612U discloses a multi-channel injection mold, including a support plate and a mixing box body, wherein the mixing box body is provided with a feed port on the top, and a conveying pipe and a multi-channel injection molding box on the bottom, and also includes: a demolding auxiliary component, wherein the demolding auxiliary component is located below the multi-channel injection molding box, and the demolding auxiliary component is driven by a power source to move upward in a vertical direction to assist in demolding the raw materials that have been injected in the multi-channel injection molding box. The utility model sets a demolding auxiliary component, and the demolding auxiliary component enters the injection mold in the reverse direction to push the injected raw materials, so that the injected raw materials become loose in the injection mold and are no longer stuck in the injection mold. At this time, the injected raw materials are easy to fall off the injection mold and be collected;

[0004] In the current existing technology, when using injection molds to produce and process products, the molding area will be accompanied by a pungent smell of molten material, which is directly discharged into the production workshop, easily causing respiratory diseases to on-site workers and is not conducive to environmental protection. Therefore, it is necessary to design a multi-channel injection mold to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-channel injection mold to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-channel injection mold, comprising an upper mold and a lower mold, the upper mold is arranged at an upper position of the lower mold, a gate is arranged on the surface of the upper mold, an assembly groove is opened on the surface of the lower mold, the bottom of the lower mold is fixedly connected to the base through a support seat, and a bracket is symmetrically installed on the bottom of the base; an air suction component is symmetrically installed on the surface of the lower mold, a purification groove is opened on the surface of the base, and the purification groove of the base extends to the lower surface of the lower mold; an exhaust fan is fixedly connected to the inside of the purification groove of the base, and a filter component is installed below the exhaust fan.

[0007] Preferably, the air suction assembly includes an air suction hood, a support plate and an air suction pipe. Grooves are provided on both side walls of the lower mold. The air suction hood is fixedly connected to the bottom ends of the grooves on the support plate and the two side walls of the lower mold. The air suction hood is conductively connected to the air suction end of the exhaust fan through the air suction pipe.

[0008] Preferably, air guide channels are symmetrically provided on the surface of the lower mold, and the air guide channels are located on one side of the opening of the air suction hood.

[0009] Preferably, the exhaust end of the exhaust fan is connected to an exhaust pipe, and a sealing ring is sleeved on the outer side of the exhaust pipe.

[0010] Preferably, the filter assembly includes an air duct, a filter box, a filter element and a box cover, the air inlet end of the filter box is connected to the air duct, the air duct and the exhaust pipe are plug-in connected, and the plug-in end of the air duct fits with the sealing ring.

[0011] Preferably, a filter element is detachably connected to the inside of the filter box, a box cover is clamped at the bottom open end of the filter box, and an exhaust window is provided on the surface of the box cover.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The lower mold surface is symmetrically installed with an air suction component, which includes an air suction hood, a support plate and an air suction pipe. During the injection molding process, the exhaust fan is turned on through an external control device. Under the negative pressure at the opening position of the air suction hood, part of the gas generated during the injection molding process enters the exhaust fan along the air suction pipe, realizing the centralized collection and treatment of the exhaust gas.

[0014] 2. A filter assembly is installed below the exhaust fan, and the filter assembly includes an air duct, a filter box, a filter element and a box cover. The exhaust gas enters the filter box along the air duct, and is filtered and purified by the filter element, thereby effectively purifying the exhaust gas, improving the comfort of the working environment, and being beneficial to environmental protection. The air duct and the exhaust pipe are plug-in connected to facilitate the assembly and disassembly of the filter box and the exhaust fan. The bottom opening end of the filter box is clamped with a box cover. Opening the box cover facilitates the replacement of the filter element and improves the purification performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the lower mold of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the lower mold and the filter assembly of the utility model.

[0018] In the figure: 1. upper mold; 2. lower mold; 201. assembly groove; 202. air guide channel; 3. support seat; 4. base; 5. bracket; 6. air suction hood; 7. support plate; 8. air suction pipe; 9. exhaust fan; 901. exhaust pipe; 902. sealing ring; 10. air guide pipe; 11. filter box; 12. filter element; 13. box cover. DETAILED DESCRIPTION

[0019] 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.

[0020] Example 1: Please refer to Figures 1 to 3 The utility model provides a technical solution for a multi-channel injection mold: it includes an upper mold 1 and a lower mold 2, the upper mold 1 is arranged above the lower mold 2, a gate channel is arranged on the surface of the upper mold 1, an assembly groove 201 is opened on the surface of the lower mold 2, the bottom of the lower mold 2 is fixedly connected with a base 4 through a support seat 3, and a bracket 5 is symmetrically installed on the bottom of the base 4; an air suction component is symmetrically installed on the surface of the lower mold 2, a purification groove is opened on the surface of the base 4, and the purification groove of the base 4 extends to the lower surface of the lower mold 2.

[0021] The air suction component includes an air suction hood 6, a support plate 7 and an air suction pipe 8. Grooves are provided on both side walls of the lower mold 2. The air suction hood 6 is fixedly connected to the bottom ends of the grooves on the two side walls of the lower mold 2 through the support plate 7. The air suction hood 6 is connected to the air suction end of the exhaust fan 9 through the air suction pipe 8. The surface of the lower mold 2 is symmetrically provided with air guide channels 202, and the air guide channels 202 are located on the opening side of the air suction hood 6.

[0022] From the above description, it can be seen that the utility model has the following beneficial effects: the upper mold 1 and the lower mold 2 are multi-channel injection molds, and the surface of the lower mold 2 is symmetrically equipped with an air suction component, the air suction component includes an air suction hood 6, a support plate 7 and an air suction pipe 8. When the injection molding process is performed, the exhaust fan 9 is always started through an external control device. Under the negative pressure at the opening position of the air suction hood 6, part of the gas generated during the injection molding process enters the exhaust fan 9 along the air suction pipe 8, thereby realizing the centralized collection and treatment of the exhaust gas.

[0023] Example 2: Please refer to Figures 1 to 3As shown, on the basis of Embodiment 1, the utility model provides a technical solution of a multi-channel injection mold: an exhaust fan 9 is fixedly connected to the inside of the purification tank of the base 4, a filter assembly is installed at a position below the exhaust fan 9, the exhaust end of the exhaust fan 9 is conductively connected to an exhaust pipe 901, a sealing ring 902 is sleeved on the outer side of the exhaust pipe 901, the filter assembly includes an air duct 10, a filter box 11, a filter element 12 and a box cover 13, the air inlet end of the filter box 11 is conductively connected to the air duct 10, the air duct 10 and the exhaust pipe 901 are plug-in connected, the plug-in end of the air duct 10 is fitted with the sealing ring 902, the filter element 12 is detachably connected to the inside of the filter box 11, the bottom open end of the filter box 11 is clamped with a box cover 13, and an exhaust window is provided on the surface of the box cover 13.

[0024] By adopting the above technical scheme, a filter assembly is installed below the exhaust fan 9, and the filter assembly includes an air duct 10, a filter box 11, a filter element 12 and a box cover 13. The exhaust gas enters the filter box 11 along the air duct 10, and is filtered and purified by the filter element 12, thereby effectively purifying the exhaust gas, improving the comfort of the working environment, and being beneficial to environmental protection; the air duct 10 and the exhaust pipe 901 are plug-in connected, which facilitates the assembly and disassembly between the filter box 11 and the exhaust fan 9, and the bottom open end of the filter box 11 is clamped with a box cover 13. Opening the box cover 13 facilitates the replacement of the filter element 12 and improves the purification performance.

[0025] The working principle and use process of the utility model are as follows: the upper mold 1 and the lower mold 2 are multi-channel injection molds, and the surface of the lower mold 2 is symmetrically equipped with an air suction component, which includes an air suction hood 6, a support plate 7 and an air suction pipe 8. When performing injection molding, the exhaust fan 9 is always started through an external control device. Under the negative pressure at the opening position of the air suction hood 6, part of the gas generated during the injection molding process enters the exhaust fan 9 along the air suction pipe 8, thereby realizing the centralized collection and treatment of the exhaust gas; a filter component is installed below the exhaust fan 9 The filter assembly includes an air duct 10, a filter box 11, a filter element 12 and a box cover 13. The exhaust gas enters the filter box 11 along the air duct 10, and is filtered and purified by the filter element 12, which effectively purifies the exhaust gas, improves the comfort of the working environment, and is beneficial to environmental protection. The air duct 10 and the exhaust pipe 901 are plug-in connected, which facilitates the assembly and disassembly between the filter box 11 and the exhaust fan 9. The bottom open end of the filter box 11 is clamped with a box cover 13. Opening the box cover 13 facilitates the replacement of the filter element 12 and improves the purification performance.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A multi-channel injection mold, comprising an upper mold (1) and a lower mold (2), wherein the upper mold (1) is arranged above the lower mold (2), a gate channel is arranged on the surface of the upper mold (1), and an assembly groove (201) is opened on the surface of the lower mold (2), characterized in that: The bottom of the lower mold (2) is fixedly connected to the base (4) via a support seat (3), and a bracket (5) is symmetrically mounted on the bottom of the base (4); an air suction component is symmetrically mounted on the surface of the lower mold (2), and a purification groove is provided on the surface of the base (4), and the purification groove of the base (4) extends to the lower surface of the lower mold (2); an exhaust fan (9) is fixedly connected inside the purification groove of the base (4), and a filter component is mounted below the exhaust fan (9).

2. A multi-channel injection mold according to claim 1, characterized in that: The air suction component comprises an air suction hood (6), a support plate (7) and an air suction pipe (8); grooves are provided at both side walls of the lower mold (2); the air suction hood (6) is fixedly connected to the bottom ends of the grooves at both side walls of the lower mold (2) via the support plate (7); and the air suction hood (6) is conductively connected to the air suction end of the exhaust fan (9) via the air suction pipe (8).

3. A multi-channel injection mold according to claim 1, characterized in that: The surface of the lower mould (2) is symmetrically provided with air guide channels (202), and the air guide channels (202) are located on one side of the opening of the air suction hood (6).

4. A multi-channel injection mold according to claim 1, characterized in that: The exhaust end of the exhaust fan (9) is conductively connected to an exhaust pipe (901), and a sealing ring (902) is sleeved on the outer side of the exhaust pipe (901).

5. A multi-channel injection mold according to claim 1, characterized in that: The filter assembly comprises an air duct (10), a filter box (11), a filter element (12) and a box cover (13); the air inlet end of the filter box (11) is connected to the air duct (10); the air duct (10) and the exhaust pipe (901) are connected by plugging; the plug-in end of the air duct (10) fits the sealing ring (902).

6. A multi-channel injection mold according to claim 5, characterized in that: A filter element (12) is detachably connected to the interior of the filter box (11); a box cover (13) is snap-fitted to the bottom open end of the filter box (11); and an exhaust window is provided on the surface of the box cover (13).

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