Plastic mold easy and convenient to assemble

Abstract

The utility model provides a plastic mould simple and convenient to assemble, which comprises a bottom mould assembly and an upper mould assembly, the upper mould assembly is movably arranged above the bottom mould assembly, and the bottom mould assembly comprises a lower fixing plate, a jacking piece, a male mould plate and a male mould core. Compared with the prior art, the mold has the advantages that the whole mold is composed of the bottom mold assembly and the upper mold assembly, the bottom mold assembly and the upper mold assembly can be formed by splicing a plurality of small modular parts, the assembling difficulty of the mold is greatly reduced, and the injection runner II and the injection runner I are arranged, so that the production efficiency is greatly improved. The second injection runner and the first injection runner can enable fused raw materials to rapidly flow into the position between the male mold core and the female mold cavity through the injection opening lining, and after the male mold core and the female mold core are separated, the second injection runner and the first injection runner which are of an open structure are completely exposed outside. And the situation that the injection runner II and the injection runner I are blocked by plastic raw materials is avoided, and the processing efficiency is ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of plastic molds, and particularly relates to a plastic mold which is easy to assemble. Background Art

[0002] A plastic mold is a tool used to produce plastic products. It is usually made of metal, such as steel or aluminum. The molten plastic is injected into the mold through processes such as injection molding. After cooling, the plastic product can be formed and demoulded.

[0003] The structure of some existing plastic molds is relatively complex, and the complex mold structure will increase the difficulty of assembly, requiring more time and effort to complete the assembly work, and it is also prone to assembly errors. The assembly of some complex plastic molds requires special tools or more complicated operating steps, which will increase the production cost of the mold and reduce production efficiency. Therefore, we hope to design a welding equipment with a new structure to solve this problem. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a plastic mold that is easy to assemble and solve the problems raised in the above background technology.

[0005] The utility model is realized by the following technical scheme: a plastic mold with simple assembly, comprising: a bottom mold assembly, an upper mold assembly, an upper mold assembly is movably installed above the bottom mold assembly, and the bottom mold assembly comprises a lower fixed plate, a lifting member, a male mold plate, and a male mold core;

[0006] A lifting piece is installed on the upper side of the lower fixed plate, a male mold plate is installed on the upper side of the lower fixed plate through a mold foot, and a male mold core is installed in the middle of the upper side of the male mold plate;

[0007] The upper mold assembly includes an upper fixed plate, a female mold core and a female mold plate. The female mold plate is installed on the lower surface of the upper fixed plate, and the female mold core is installed in the middle of the lower surface of the female mold plate.

[0008] As a preferred embodiment, the lifting member includes a lower ejector plate and an upper ejector plate, the lower ejector plate is fixed at the bottom of the lower fixed plate, the upper ejector plate is movably installed on the upper side of the lower ejector plate, and a group of ejector rods are respectively fixed on the left and right sides of the upper ejector plate. The arrangement of the ejector member can quickly eject the formed workpiece, so that it can be quickly demolded, thereby improving production efficiency.

[0009] As a preferred embodiment, a guide column is fixed to each of the four corners of the upper surface of the male template, the middle of the upper surface of the male template is recessed downward to form a groove 1, and the left and right sides of the bottom of the groove 1 respectively penetrate downward to form two groups of through holes.

[0010] As a preferred embodiment, two reset parts are slidably installed on the left and right ends of the male template, respectively, and the reset parts include a guide rod and a reset spring. The lower end of the guide rod is fixedly connected to the upper ejection plate, the lower side of the reset spring abuts against the upper surface of the upper ejection plate, the upper end of the reset spring movably abuts against the lower surface of the male template, and the upper end of the guide rod is slidably connected to the male template.

[0011] As a preferred embodiment, a male mold core is installed on the left side and the right side of the male mold core respectively, and the upper end of each group of ejector rods vertically penetrates the male mold core and the male mold core upward.

[0012] As a preferred embodiment, a sprue bushing is installed in the middle of the upper surface of the upper fixed plate, and the lower end of the sprue bushing vertically penetrates the female mold plate and the female mold core downward, and a female mold cavity is fixed on the left and right sides of the lower surface of the female mold core respectively, and a positioning rod is fixed on the front and rear sides of each female mold cavity respectively, and the positioning rod is movably inserted in the positioning holes on the front and rear sides of the male mold core.

[0013] As a preferred embodiment, each of the female mold cavities is provided with an injection channel 1 on the side close to the sprue bushing, the middle of the male mold core is recessed downward to form an injection channel 2, the middle of the injection channel 2 is recessed downward to form a blind hole, the left and right ends of the injection channel 2 are respectively connected to the inner end of an injection channel 1, the lower end of the sprue bushing is movably inserted on the upper side of the blind hole, and the blind hole is connected to the injection channel 2. By providing the injection channel 2 and the injection channel 1, the molten raw material can quickly flow into the space between the male mold core and the female mold cavity through the sprue bushing.

[0014] After adopting the above technical solution, the beneficial effect of the utility model is as follows: by setting the bottom mold assembly and the upper mold assembly, the entire mold is composed of two large integral parts, the bottom mold assembly and the upper mold assembly, and the bottom mold assembly and the upper mold assembly can be assembled from a plurality of small modular components, which greatly reduces the assembly difficulty of the entire mold during production and assembly, and does not require the use of special tools for assembly, greatly improving the assembly efficiency of the entire mold;

[0015] By setting up injection runner 2 and injection runner 1, the molten raw material can quickly flow into the space between the male mold core and the female mold cavity through the sprue bushing, and after the male mold core and the female mold core are separated, the injection runner 2 and injection runner 1 with open structures are completely exposed to the outside, and the plastic raw material will not block the injection runner 2 and injection runner 1, thereby ensuring processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 The utility model is a schematic diagram of the overall structure of a plastic mold which is easy to assemble.

[0018] Figure 2 The utility model is a schematic diagram of the internal structure of a bottom mold component and an upper mold component of a plastic mold which is easy to assemble.

[0019] Figure 3 The utility model is a schematic diagram of a bottom mold component and an upper mold component structure of a plastic mold with easy assembly.

[0020] Figure 4 The utility model is a schematic diagram of the lower surface structure of a bottom mold component of a plastic mold which is easy to assemble.

[0021] Figure 5 The utility model is a schematic diagram of the upper surface structure of an upper mold component of a plastic mold which is easy to assemble.

[0022] In the figure, 100-bottom mold assembly, 110-lower fixing plate, 120-lifting member, 130-male mold plate, 131-guide column, 132-reset member, 140-male mold core, 150-male mold core;

[0023] 200-upper mold assembly, 210-upper fixing plate, 211-injection nozzle bushing, 220-female mold core, 230-female mold cavity, 240-female mold plate. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] See also Figures 1 to 5 The utility model provides a technical solution: a plastic mold with simple assembly, comprising: a bottom mold assembly 100, an upper mold assembly 200, the upper mold assembly 200 is movably installed above the bottom mold assembly 100, and the bottom mold assembly 100 comprises a lower fixed plate 110, a lifting member 120, a male mold plate 130, and a male mold core 140;

[0026] A lifting member 120 is installed on the upper side of the lower fixed plate 110, a male mold plate 130 is installed on the upper side of the lower fixed plate 110 through a mold foot, and a male mold core 140 is installed in the middle of the upper side of the male mold plate 130;

[0027] The upper mold assembly 200 includes an upper fixed plate 210 , a female mold core 220 and a female mold plate 240 . The female mold plate 240 is installed on the lower surface of the upper fixed plate 210 , and the female mold core 220 is installed in the middle of the lower surface of the female mold plate 240 .

[0028] See also Figures 1 to 5 The ejector 120 includes a lower ejector plate and an upper ejector plate. The lower ejector plate is fixed at the bottom of the lower fixed plate 110, and the upper ejector plate is movably installed on the upper side of the lower ejector plate. A group of ejector rods are fixed on the left and right sides of the upper ejector plate respectively. The setting of the ejector can quickly eject the formed workpiece, so that it can be demolded quickly, thereby improving production efficiency.

[0029] A guide column 131 is fixed to each of the four corners of the upper surface of the male template 130 . The middle of the upper surface of the male template 130 is recessed downward to form a groove 1 . The left and right sides of the bottom of the groove 1 penetrate downward to form two groups of through holes.

[0030] Two reset components 132 are slidably installed on the left and right ends of the male template 130, respectively. The reset components 132 include a guide rod and a reset spring. The lower end of the guide rod is fixedly connected to the upper ejection plate, the lower side of the reset spring abuts against the upper surface of the upper ejection plate, the upper end of the reset spring movably abuts against the lower surface of the male template 130, and the upper end of the guide rod is slidably connected to the male template 130.

[0031] A male mold core 150 is installed on the left and right sides of the male mold core 140 respectively, and the upper end of each set of ejector rods vertically penetrates the male mold core 140 and the male mold core 150 upward.

[0032] A sprue bushing 211 is installed in the middle of the upper surface of the upper fixed plate 210, and the lower end of the sprue bushing 211 vertically penetrates the female template 240 and the female mold core 220 downward. A female mold cavity 230 is fixed on the left and right sides of the lower surface of the female mold core 220, and a positioning rod is fixed on the front and rear sides of each female mold cavity 230. The positioning rods are movably inserted into the positioning holes on the front and rear sides of the male mold core 150.

[0033] As the first embodiment of the utility model, by setting a bottom mold assembly 100 and an upper mold assembly 200, the entire mold is composed of two large components, the bottom mold assembly 100 and the upper mold assembly 200, and the bottom mold assembly 100 and the upper mold assembly 200 can be assembled from a plurality of small modular components, which greatly reduces the difficulty of assembling the entire mold during production and assembly, and does not require the use of special tools for assembly, thereby greatly improving the overall assembly efficiency of the mold.

[0034] See also Figures 1 to 3 Each female mold cavity 230 is provided with an injection channel 1 on the side close to the sprue bushing 211, the middle of the male mold core 140 is recessed downward to form an injection channel 2, the middle of the injection channel 2 is recessed downward to form a blind hole, the left and right ends of the injection channel 2 are respectively connected to the inner end of the injection channel 1, the lower end of the sprue bushing 211 is movably inserted on the upper side of the blind hole, and the blind hole is connected to the injection channel 2. By providing the injection channel 2 and the injection channel 1, the molten raw material can quickly flow into the space between the male mold core 150 and the female mold cavity 230 through the sprue bushing 211.

[0035] As the second embodiment of the present utility model, based on the above-mentioned first embodiment, in actual use, the bottom mold assembly 100 and the upper mold assembly 200 are combined together, at this time, the male mold core 140 and the female mold core 220 are docked and combined together, and the molten plastic raw material is transported to the blind hole of the injection runner 2 through the sprue bushing 211 on the upper fixed plate 210, and the molten plastic in the blind hole flows to the left and right sides of the injection runner, and enters the two injection runners 1 connected to the two ends of the injection runner, and then smoothly enters into the space between the female mold cavity 230 and the male mold core 150, and finally forms a product, the injection runner 2 and the injection runner 1 can make the molten raw material quickly flow into the space between the male mold core 150 and the female mold cavity 230 through the sprue bushing 211, and after the male mold core 140 and the female mold core 220 are separated, the injection runner 2 and the injection runner 1 of the open structure are completely exposed to the outside, and the plastic raw material will not block the injection runner 2 and the injection runner 1, thereby ensuring the processing efficiency.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A plastic mold that is easy to assemble, comprising: A bottom mold assembly (100) and an upper mold assembly (200), characterized in that an upper mold assembly (200) is movably installed above the bottom mold assembly (100), and the bottom mold assembly (100) comprises a lower fixed plate (110), a lifting member (120), a male mold plate (130), and a male mold core (140); A lifting member (120) is installed on the upper side of the lower fixing plate (110), a male mold plate (130) is installed on the upper side of the lower fixing plate (110) via a mold foot, and a male mold core (140) is installed in the middle of the upper side of the male mold plate (130); The upper mold assembly (200) comprises an upper fixed plate (210), a female mold core (220) and a female mold plate (240); the female mold plate (240) is installed on the lower surface of the upper fixed plate (210), and the female mold core (220) is installed in the middle of the lower surface of the female mold plate (240); Each female mold cavity (230) is provided with an injection channel 1 on one side close to the nozzle bushing (211); the middle of the male mold core (140) is recessed downward to form an injection channel 2; the middle of the injection channel 2 is recessed downward to form a blind hole; the left and right ends of the injection channel 2 are respectively connected to the inner end of the injection channel 1; the lower end of the nozzle bushing (211) is movably inserted on the upper side of the blind hole; and the blind hole is connected to the injection channel 2.

2. A plastic mold with easy assembly as claimed in claim 1, characterized in that: The lifting member (120) comprises a lower ejector plate and an upper ejector plate, wherein the lower ejector plate is fixed to the bottom of the lower fixed plate (110), and the upper ejector plate is movably mounted on the upper side of the lower ejector plate, and a group of ejector rods are respectively fixed on the left and right sides of the upper ejector plate.

3. A plastic mold with easy assembly as claimed in claim 2, characterized in that: A guide column (131) is fixed to each of the four corners of the upper surface of the male template (130). The middle of the upper surface of the male template (130) is recessed downward to form a groove 1. The left and right sides of the bottom of the groove 1 respectively penetrate downward to form two groups of through holes.

4. A plastic mold with easy assembly as claimed in claim 3, characterized in that: Two reset components (132) are slidably mounted on the left and right ends of the male template (130), respectively. The reset components (132) include a guide rod and a reset spring. The lower end of the guide rod is fixedly connected to the upper ejection plate, the lower side of the reset spring abuts against the upper surface of the upper ejection plate, the upper end of the reset spring movably abuts against the lower surface of the male template (130), and the upper end of the guide rod is slidably connected to the male template (130).

5. A plastic mold with easy assembly as claimed in claim 4, characterized in that: A male mold core (150) is installed on the left and right sides of the male mold core (140), respectively, and the upper end of each group of ejector rods vertically penetrates the male mold core (140) and the male mold core (150) upwards.

6. A plastic mold with easy assembly as claimed in claim 1, characterized in that: A sprue bushing (211) is installed in the middle of the upper surface of the upper fixed plate (210), and the lower end of the sprue bushing (211) vertically penetrates the female mold plate (240) and the female mold core (220) downward, and a female mold cavity (230) is fixed on the left and right sides of the lower surface of the female mold core (220), and a positioning rod is fixed on the front and rear sides of each female mold cavity (230), and the positioning rod is movably inserted into the positioning holes on the front and rear sides of the male mold core (150).

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