Opposite-punching separation type stack mold for forming small food-grade plastic toys

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to a hedging separation type stack mold for forming small food-grade plastic toys. The mold comprises an upper mold plate, a supporting block and a limiting plate assembly are arranged below the upper mold plate, an upper-layer heat preservation block is arranged below the supporting block, a middle-layer heat preservation block is pressed below the upper-layer heat preservation block, a lower-layer heat preservation block is arranged below the middle-layer heat preservation block, and a runner block is arranged between the middle-layer heat preservation block and the lower-layer heat preservation block. According to the utility model, the upper part of the whole mold is arranged to be a hedging separation type stacked mold, the simultaneous injection molding of two components can be carried out, and the injection molding of various products can be carried out by one mold, so that the cost is reduced, the production cycle is shortened, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds and relates to a counter-separation stack mold for molding small food-grade plastic toys. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of injection molding are fast production speed, high efficiency, automated operation, a wide variety of patterns and colors, shapes ranging from simple to complex, and sizes ranging from large to small. Furthermore, the product dimensions are precise, the product is easily updated, and it can produce parts with complex shapes. Injection molding is suitable for mass production and other molding processes involving complex shapes. Existing small food-grade plastics are molded according to different types during injection molding, resulting in a wide variety of molds for manufacturers, increasing production costs and production cycles, and reducing work efficiency. Therefore, to address the above issues, a hedge-type split stack mold for molding small food-grade plastic toys is proposed. Utility Model Content

[0003] The purpose of the utility model is to solve the above problems and provide a counter-separation stack mold for molding small food-grade plastic toys.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A hedge separation stack mold for molding small food-grade plastic toys, comprising an upper template, support blocks are provided on both sides of the lower portion of the upper template, and a limit plate assembly is provided in the middle portion of the lower portion of the upper template, an upper insulation block is provided below the support block, and a first heater is provided on one side of the upper insulation block and the support block, a middle insulation block is provided below the upper insulation block, an upper core block is provided in the middle portion of the middle insulation block, and the upper core block is placed in the bottom portion of the upper insulation block, and a lower insulation block is provided below the middle insulation block. Block, and a second heater is provided on one side of the middle insulation block and the lower insulation block, a lower core block is provided below the middle insulation block, a runner block is provided above the lower insulation block, a diversion injection nozzle is provided in the runner block, and the top and bottom of the diversion injection nozzle are respectively placed in the upper core block and the lower core block, an injection port assembly is inserted in the upper template, the limiting plate assembly, the upper insulation block, the middle insulation block, the runner block and the lower insulation block, and an external driving column is provided on the other side of the upper insulation block and the lower insulation block.

[0006] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, the two sides of the lower side of the upper template are fixedly connected to the support blocks, and there is a distance between the two support blocks. The middle part of the lower side of the upper template is fixedly connected to the limit plate assembly, and there is a gap between the two sides of the limit plate assembly and the inside of the two support blocks. The lower side of the support block is fixedly connected to the two sides of the upper side of the upper insulation block, and there is a distance between the top of the upper insulation block and the bottom of the limit plate assembly.

[0007] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, one side of the upper insulation block is fixedly connected to the lower inner side of the first heater, and the upper inner side of the first heater is fixedly connected to the outside of one end of the back support block, and there is a distance between the first heater and the protruding end of the limit plate assembly.

[0008] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, the middle insulation block is pressed under the upper insulation block, and two first clamping grooves are opened at the bottom of the upper insulation block, and a clamping groove portion is opened above the middle insulation block, and the upper core block is fixedly connected in the clamping groove portion, and the upper core block is inserted into the sliding connection first clamping groove.

[0009] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, the lower part of the middle insulation block is fixedly connected to the lower insulation block, one side of the lower insulation block is fixedly connected to the lower inside of the second heater, and the upper inside of the second heater is fixedly connected to one side of the middle insulation block.

[0010] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, an upper flow channel groove is opened at the bottom of the middle insulation block, and a lower flow channel groove is opened above the lower insulation block. A fixed connection flow channel block is inserted into the lower flow channel groove, and the upper part of the flow channel block is inserted into the upper flow channel groove.

[0011] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, the upper template, the limit plate assembly, the upper insulation block, the middle insulation block, the runner block and the lower insulation block are inserted with a fixedly connected injection port assembly, and the injection port assembly is connected to the runner block.

[0012] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, diverter injection nozzles are inserted and fixedly connected on both sides of the runner block, and the diverter injection nozzles are communicated with the injection port assembly.

[0013] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, a second clamping groove is provided at the bottom of the lower insulation block, and the lower core block is clamped and fixedly connected in the second clamping groove.

[0014] In the above-mentioned hedge separation stack mold for molding small food-grade plastic toys, the upper part of the diverter injection nozzle is inserted into the upper core block for fixed connection, and the lower part of the diverter injection nozzle passes through the lower layer insulation block and the lower core block for fixed connection.

[0015] Compared with the existing technology, the advantages of this utility model are:

[0016] The utility model has a support block and a limit plate assembly under the upper template, an upper insulation block under the support block, a middle insulation block pressed under the upper insulation block, and a lower insulation block under the middle insulation block, a runner block between the middle insulation block and the lower insulation block, and a diversion injection nozzle on both sides of the runner block, and the upper and lower core blocks are connected to the diversion injection nozzle respectively. The upper part of the entire mold is set as a hedge separation stack mold, which can carry out simultaneous injection molding of two components and injection molding of multiple products with one mold, thereby reducing costs and production cycles and increasing work efficiency.

[0017] Other advantages, objectives and features of the present invention will be reflected 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

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall bottom view of the utility model

[0020] Figure 3 This is a schematic exploded top view of the entire utility model;

[0021] Figure 4 This is a schematic diagram of an overall explosion viewed from above of the present invention;

[0022] Figure 5 It is a schematic diagram of the internal matching structure of the utility model.

[0023] In the figure: 1. Upper template; 2. Injection port assembly; 3. Support block; 31. Limit plate assembly; 4. Upper insulation block; 41. First clamping slot; 5. Middle insulation block; 51. Upper runner slot; 52. Clamping slot; 6. Lower insulation block; 61. Lower runner slot; 62. Second clamping slot; 7. Runner block; 8. Diverter injection nozzle; 9. Upper core block; 10. Lower core block; 11. First heater; 12. Second heater; 13. External drive column. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings.

[0025] like Figure 1-5As shown, a hedge separation stack mold for molding small food-grade plastic toys includes an upper template 1, support blocks 3 are provided on both sides below the upper template 1, and a limit plate assembly 31 is provided in the middle of the lower part of the upper template 1, an upper insulation block 4 is provided below the support block 3, and a first heater 11 is provided on one side of the upper insulation block 4 and the support block 3, a middle insulation block 5 is provided below the upper insulation block 4, an upper core block 9 is provided in the middle of the middle insulation block 5, and the upper core block 9 is placed above the bottom of the upper insulation block 4, and a lower insulation block 6 is provided below the middle insulation block 5. A second heater 12 is provided on one side of the middle insulation block 5 and the lower insulation block 6, a lower core block 10 is provided below the middle insulation block 5, a runner block 7 is provided above the lower insulation block 6, a diversion injection nozzle 8 is provided in the runner block 7, and the top and bottom of the diversion injection nozzle 8 are respectively placed in the upper core block 9 and the lower core block 10, an injection port assembly 2 is inserted in the upper template 1, the limiting plate assembly 31, the upper insulation block 4, the middle insulation block 5, the runner block 7 and the lower insulation block 6, and an external drive column 13 is provided on the other side of the upper insulation block 4 and the lower insulation block 6.

[0026] The support blocks 3 are fixedly connected on both sides of the lower part of the upper template 1, and there is a distance between the two support blocks 3. The limit plate assembly 31 is fixedly connected to the middle part of the lower part of the upper template 1, and there is a gap between the two sides of the limit plate assembly 31 and the inside of the two support blocks 3. The lower part of the support block 3 is fixedly connected to the two sides of the upper part of the upper insulation block 4, and there is a distance between the top of the upper insulation block 4 and the bottom of the limit plate assembly 31.

[0027] Furthermore, one side of the upper insulation block 4 is fixedly connected to the lower inner side of the first heater 11, and the upper inner side of the first heater 11 is fixedly connected to one end of the back support block 3, and there is a distance between the first heater 11 and the protruding end of the limiting plate assembly 31.

[0028] A support block 3 and a limit plate assembly 31 are provided below the upper template 1, and an upper insulation block 4 is provided below the support block 3. In this way, the upper template 1, the support block 3 and the upper insulation block 4 form a whole. An external driving column 13 is provided on the outside. The external driving column 13 is used to connect external equipment to move the upper insulation block 4 and the upper components.

[0029] The middle insulation block 5 is pressed under the upper insulation block 4, and two first clamping grooves 41 are opened at the bottom of the upper insulation block 4, and a clamping groove portion 52 is opened above the middle insulation block 5. The upper core block 9 is fixedly connected in the clamping groove portion 52, and the upper core block 9 is inserted into the first clamping groove 41 for sliding connection.

[0030] After the middle insulation block 5 is pressed under the upper insulation block 4 , the upper insulation block 4 and the middle insulation block 5 are separated or attached to each other under the action of the external driving column 13 .

[0031] Furthermore, the lower insulation block 6 is fixedly connected to the middle insulation block 5 below, one side of the lower insulation block 6 is fixedly connected to the lower inner side of the second heater 12, and the upper inner side of the second heater 12 is fixedly connected to one side of the middle insulation block 5.

[0032] Furthermore, an upper flow channel groove 51 is opened at the bottom of the middle insulation block 5, and a lower flow channel groove 61 is opened above the lower insulation block 6. The flow channel block 7 is fixedly connected in the lower flow channel groove 61, and the upper part of the flow channel block 7 is inserted into the upper flow channel groove 51.

[0033] A lower insulation block 6 is provided below the middle insulation block 5 to form an integral body, and an external driving column 13 is provided on the outer side of the lower insulation block 6 so that the external driving column 13 can drive the entire body to move.

[0034] Furthermore, the upper template 1 , the limiting plate assembly 31 , the upper insulation block 4 , the middle insulation block 5 , the runner block 7 and the lower insulation block 6 are inserted into and fixedly connected to the injection port assembly 2 , and the injection port assembly 2 is communicated with the runner block 7 .

[0035] Furthermore, diverter injection nozzles 8 are inserted and fixedly connected on both sides of the runner block 7 , and the diverter injection nozzles 8 are communicated with the injection port assembly 2 .

[0036] After the runner block 7 provided inside is connected with the injection port assembly 2, injection molding is performed thereon, and the diverter injection nozzle 8 is used to divert the injection liquid to perform injection molding in the mold below.

[0037] Furthermore, a second clamping groove 62 is provided at the bottom of the lower heat-insulating block 6 , and the lower core block 10 is clamped and fixedly connected in the second clamping groove 62 .

[0038] Furthermore, the upper portion of the diverter injection nozzle 8 is inserted into and fixedly connected to the upper core block 9 , and the lower portion of the diverter injection nozzle 8 passes through and fixedly connects the lower insulation block 6 and the lower core block 10 .

[0039] Diversion injection nozzles 8 are provided on both sides above the runner block 7 to perform layered injection molding in the lower mold, and the interior of the mold can be divided into different products for injection molding, and the mold can be opened twice.

[0040] Working principle:

[0041] A support block 3 and a limit plate assembly 31 are provided below the upper template 1, and an upper insulation block 4 is provided below the support block 3. At the same time, a first heater 11 is provided outside the upper insulation block 4 and the support block 3. A middle insulation block 5 is pressed below the upper insulation block 4, and a lower insulation block 6 is provided below the middle insulation block 5. In this way, the upper insulation block 4 and the middle insulation block 5 are divided into two components at the joint, and the same injection molding liquid can be injected to form different product parts. A runner block 7 is provided between the middle insulation block 5 and the lower insulation block 6, and a diversion injection molding nozzle 8 is provided on both sides of the runner block 7. The injection molding liquid is diverted downward by the diversion injection molding nozzle 8 to different products for injection molding. The upper core block 9 and the lower core block 10 are connected to the upper and lower parts of the diversion injection molding nozzle 8 respectively and then fixed. At the same time, the diversion injection molding nozzle 8 uses the lower core block 10 to perform grouping and layering injection molding in the cavity inside the lower mold.

[0042] 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 with similar methods, without departing from the spirit of the present invention.

[0043] Although this article frequently uses terms such as 1. upper mold plate; 2. injection port assembly; 3. support block; 31. limit plate assembly; 4. upper insulation block; 41. first clamping slot; 5. middle insulation block; 51. upper runner slot; 52. clamping slot portion; 6. lower insulation block; 61. lower runner slot; 62. second clamping slot; 7. runner block; 8. diverter injection nozzle; 9. upper core block; 10. lower core block; 11. first heater; 12. second heater; 13. external drive column, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention. Interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A stacked mold for forming small food-grade plastic toys, comprising an upper mold plate (1), characterized in that: Support blocks (3) are provided on both sides below the upper template (1), and a limit plate assembly (31) is provided in the middle of the lower part of the upper template (1); an upper insulation block (4) is provided below the support block (3), and a first heater (11) is provided on one side of the upper insulation block (4) and the support block (3); a middle insulation block (5) is provided below the upper insulation block (4); an upper core block (9) is provided in the middle of the middle insulation block (5), and the upper core block (9) is placed in the bottom of the upper insulation block (4); a lower insulation block (6) is provided below the middle insulation block (5), and a first heater (11) is provided on one side of the middle insulation block (5) and the lower insulation block (6); A second heater (12) is provided, a lower core block (10) is provided below the middle insulation block (5), a runner block (7) is provided above the lower insulation block (6), a diversion injection nozzle (8) is provided in the runner block (7), and the top and bottom of the diversion injection nozzle (8) are respectively placed in the upper core block (9) and the lower core block (10), the upper template (1), the limit plate assembly (31), the upper insulation block (4), the middle insulation block (5), the runner block (7) and the lower insulation block (6) are all provided with an injection port assembly (2), and an external drive column (13) is provided on the other side of the upper insulation block (4) and the lower insulation block (6).

2. The stack mold for forming small food-grade plastic toys according to claim 1, characterized in that: Both sides of the lower portion of the upper template (1) are fixedly connected to support blocks (3), and there is a distance between the two support blocks (3). The middle portion of the lower portion of the upper template (1) is fixedly connected to a limit plate assembly (31), and there is a gap between the two sides of the limit plate assembly (31) and the inside of the two support blocks (3). The lower portion of the support block (3) is fixedly connected to both sides of the upper portion of the upper insulation block (4), and there is a distance between the top of the upper insulation block (4) and the bottom of the limit plate assembly (31).

3. The hedge separation stack mold for molding small food-grade plastic toys according to claim 2, characterized in that: One side of the upper heat-insulating block (4) is fixedly connected to the lower inner side of the first heater (11), and the upper inner side of the first heater (11) is fixedly connected to the outside of one end of the back support block (3), and there is a distance between the first heater (11) and the protruding end of the limiting plate assembly (31).

4. The offset separation stack mold for molding small food-grade plastic toys according to claim 3, characterized in that: The middle insulation block (5) is pressed onto the bottom of the upper insulation block (4), and two first clamping slots (41) are provided at the bottom of the upper insulation block (4). A clamping slot portion (52) is provided above the middle insulation block (5), and an upper core block (9) is fixedly connected to the clamping slot portion (52), and the upper core block (9) is inserted into the first clamping slot (41) for sliding connection.

5. The offset separation stack mold for molding small food-grade plastic toys according to claim 4, characterized in that: The lower portion of the middle insulation block (5) is fixedly connected to the lower insulation block (6), one side of the lower insulation block (6) is fixedly connected to the lower inner side of the second heater (12), and the upper inner side of the second heater (12) is fixedly connected to one side of the middle insulation block (5).

6. The offset separation stack mold for molding small food-grade plastic toys according to claim 5, characterized in that: An upper flow channel groove (51) is provided at the bottom of the middle layer heat-insulating block (5), and a lower flow channel groove (61) is provided above the lower layer heat-insulating block (6). A flow channel block (7) is fixedly connected to the lower flow channel groove (61), and the upper portion of the flow channel block (7) is inserted into the upper flow channel groove (51).

7. The offset separation stack mold for molding small food-grade plastic toys according to claim 6, characterized in that: The upper template (1), the limiting plate assembly (31), the upper insulation block (4), the middle insulation block (5), the runner block (7) and the lower insulation block (6) are inserted into and fixedly connected to the injection port assembly (2), and the injection port assembly (2) is communicated with the runner block (7).

8. The offset separation stack mold for molding small food-grade plastic toys according to claim 7, characterized in that: A diversion injection nozzle (8) is inserted and fixedly connected to both sides of the flow channel block (7), and the diversion injection nozzle (8) is communicated with the injection port assembly (2).

9. The offset separation stack mold for molding small food-grade plastic toys according to claim 8, characterized in that: A second clamping groove (62) is provided at the bottom of the lower heat-insulating block (6), and the lower core block (10) is clamped and fixedly connected in the second clamping groove (62).

10. The offset separation stack mold for molding small food-grade plastic toys according to claim 9, characterized in that: The upper portion of the diverter injection nozzle (8) is inserted into the upper core block (9) for fixed connection, and the lower portion of the diverter injection nozzle (8) passes through the lower portion for fixed connection with the lower heat-insulating block (6) and the lower core block (10).

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