Odor-proof outdoor garbage can cover injection mold

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an anti-peculiar-smell outdoor garbage can cover injection mold. The mold comprises an upper mold plate, a connecting plate assembly and a supporting block are arranged below the upper mold plate, an upper mold base is arranged below the supporting block, a runner column is arranged above the upper mold base, a ring groove part and a protruding part are arranged below the upper mold base, and a first mold core block assembly and a second mold core block assembly are inserted into one side of the upper mold base. A third die core block assembly and a fourth die core block assembly are arranged on one side of the lower portion of the upper die base, a groove part is arranged on the upper portion of the lower die base, wedge block assemblies are arranged on the two sides of the lower die base, and meanwhile a lower die plate is arranged on the lower portion of the lower die base. And a product piece cannot be touched or pulled during demolding, so that the deformation or pull damage of the barrel cover is prevented, the rejection rate is reduced, the cost and the labor force are reduced, and secondary remodeling is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds and relates to an injection mold for an odor-proof outdoor garbage can lid. Background Art

[0002] An injection mold is a tool for producing plastic products; it is also a tool that gives plastic products a complete structure and precise dimensions. Injection molding is a processing method used in the mass production of certain parts with complex shapes. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by an injection molding machine, and after cooling and solidification, a molded product is obtained. The shape of the existing trash can lid is relatively complex. After the injection molding is completed, it is easy to get stuck on the internal structure of the mold, and many parts are removed when the material is hot, which will cause the lid to deform or break, resulting in a high scrap rate, increased production costs and labor, and secondary reshaping. Therefore, in response to the above problems, an injection mold for an odor-proof outdoor trash can lid is proposed. Utility Model Content

[0003] The utility model aims to solve the above problems and provides an injection mould for an odour-proof outdoor trash can lid.

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

[0005] An injection mold for an odor-proof outdoor trash can lid comprises an upper mold plate, a connecting plate assembly is provided in the middle of the lower part of the upper mold plate, and support blocks are provided on both sides of the lower part of the upper mold plate, and an injection port assembly is passed through the middle of the upper mold plate and the connecting plate assembly, an upper mold base is provided below the support block, and a runner column and a support column are respectively provided above the upper mold base, and the lower part of the injection port assembly is inserted in the runner column, a first mold core block assembly and a second mold core block assembly are respectively inserted on one side of the upper mold base, a third mold core block assembly and a fourth mold core block assembly are provided on one side of the lower part of the upper mold base, and the third mold core block assembly and the fourth mold core block assembly cooperate with the bottom of the first mold core block assembly and the bottom of the second mold core block assembly, and the bottom of the first mold core block assembly, the bottom of the second mold core block assembly, the third mold core block assembly and the fourth mold core block assembly are placed in one side above the lower mold base, wedge block assemblies are provided on both sides above the lower mold base, and a product part is provided between the upper mold base and the lower mold base.

[0006] In the above-mentioned injection mold for the anti-odor outdoor trash can lid, the middle part of the lower part of the upper template is fixedly connected to the connecting plate assembly, and the two sides of the lower part of the upper template are fixedly connected to the positioning columns. At the same time, positioning holes are opened on both sides of the connecting plate assembly. The positioning columns are inserted into the sliding connection positioning holes, and the middle of the upper template is inserted and fixedly connected to the top of the injection port assembly.

[0007] In the above-mentioned injection mold for the anti-odor outdoor trash can lid, support blocks are fixedly connected on both sides of the lower side of the upper mold plate, and there is a gap between the two support blocks placed on the sides of the connecting plate assembly. A through hole portion is opened in the middle of the connecting plate assembly, and the through hole portion passes through the middle of the injection port assembly.

[0008] In the above-mentioned injection mold for the anti-odor outdoor trash can lid, the support block is fixedly connected to the upper parts of both sides of the upper mold base at the bottom, and the runner column is fixedly connected to the middle of the upper mold base. At the same time, the injection port assembly is inserted into the runner column. The support column is fixedly connected to the top of the upper mold base, and the top of the support column is tightly fitted with the bottom of the connecting plate assembly.

[0009] In the above-mentioned injection mold for the anti-odor outdoor trash can lid, a ring groove portion and a protrusion portion are provided at the bottom of the upper mold base, and the ring groove portion is placed one circle outside the protrusion portion. At the same time, the bottom of the protrusion portion is flush with the bottom of the injection port assembly. The lower mold base is pressed under the upper mold base, and a groove portion is opened on the top of the lower mold base.

[0010] In the above-mentioned injection mold for the anti-odor outdoor trash can lid, the third core block assembly and the fourth core block assembly are fixedly connected inside one side of the ring groove portion, and the outer step portion below the third core block assembly is stuck at the edge of one side of the groove portion, while the fourth core block assembly is inserted into the middle of one side of the groove portion.

[0011] In the above-mentioned injection mold for the anti-odor outdoor trash can lid, one side of the upper mold base is inserted into the middle of the first mold core block assembly and the second mold core block assembly for sliding connection, and the tops of the first mold core block assembly and the second mold core block assembly are fixedly connected to the bottom of the connecting plate assembly.

[0012] In the above-mentioned injection mold for the anti-odor outdoor trash can lid, the front and rear ends of the bottom of the first core block assembly are flush with the bottom of the protrusion and the bottom of the third core block assembly respectively, and the bottom of the second core block assembly is flush with the bottom of the protrusion.

[0013] In the above-mentioned injection mold for the anti-odor outdoor trash can lid, the wedge block assemblies are fixedly connected on both sides of the lower mold base, and the upper side of the wedge block assembly is inserted into the sliding connection between the two sides of the upper mold base, and at the same time, the inner convex end of the wedge block assembly is inserted into the two sides of the third mold core block assembly with a gap.

[0014] In the above-mentioned injection mold for the odor-proof outdoor trash can lid, the bottom of the lower mold base is fixedly connected to the lower mold plate.

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

[0016] The utility model has a connection plate assembly and a support block below the upper template, an upper mold base below the support block, a flow channel column above the upper mold base, a ring groove portion and a protruding portion below the upper mold base, a first mold core block assembly and a second mold core block assembly are inserted on one side of the upper mold base, a third mold core block assembly and a fourth mold core block assembly are provided on one side below the upper mold base, a groove portion is provided above the lower mold base, wedge block assemblies are provided on both sides of the lower mold base, and a lower mold base is provided below the lower mold base. The mold core of the internal combination mode of the mold is used to obtain the complex part of the product part, and the product part will not be touched or pulled during demolding, so that the barrel cover is prevented from being deformed or pulled, the scrap rate is reduced, the cost and labor are reduced, and secondary reshaping is avoided.

[0017] Other advantages, objectives and features of the present invention will be embodied 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 an overall exploded top view of the utility model.

[0020] Figure 3 It is an overall exploded bottom view schematic diagram of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the lower die base of the utility model;

[0022] Figure 5 It is a front view schematic diagram of the bottom of the upper die seat of the utility model.

[0023] In the figure: 1. upper mold plate; 2. injection port assembly; 3. connecting plate assembly; 31. through hole portion; 32. positioning hole portion; 4. support block; 5. upper mold base; 51. groove portion; 52. protrusion portion; 6. lower mold base; 61. groove portion; 7. first core block assembly; 8. second core block assembly; 9. runner column; 10. positioning column; 11. support column; 12. third core block assembly; 13. fourth core block assembly; 14. wedge block assembly; 15. lower mold plate; 16. product part. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-5As shown, an injection mold for an odor-proof outdoor trash can lid comprises an upper mold plate 1, a connecting plate assembly 3 is provided in the middle of the lower part of the upper mold plate 1, and support blocks 4 are provided on both sides of the lower part of the upper mold plate 1, and the middle parts of the upper mold plate 1 and the connecting plate assembly 3 pass through the injection port assembly 2, an upper mold base 5 is provided below the support block 4, and a runner column 9 and a support column 11 are respectively provided above the upper mold base 5, and the lower part of the injection port assembly 2 is inserted in the runner column 9, and a first mold core block assembly 7 and a second mold core block assembly 8 are respectively inserted on one side of the upper mold base 5, A third core block assembly 12 and a fourth core block assembly 13 are provided on one side below the upper mold base 5, and the third core block assembly 12 and the fourth core block assembly 13 cooperate with the bottom of the first core block assembly 7 and the bottom of the second core block assembly 8. At the same time, the bottom of the first core block assembly 7, the bottom of the second core block assembly 8, the third core block assembly 12 and the fourth core block assembly 13 are placed on one side above the lower mold base 6, wedge block assemblies 14 are provided on both sides above the lower mold base 6, and a product part 16 is provided between the upper mold base 5 and the lower mold base 6.

[0026] The connecting plate assembly 3 is fixedly connected through the middle part of the lower part of the upper template 1, and the positioning columns 10 are fixedly connected on both sides of the lower part of the upper template 1. At the same time, positioning holes 32 are opened on both sides of the connecting plate assembly 3. The positioning columns 10 are inserted into the sliding connection positioning holes 32, and the middle of the upper template 1 is inserted and fixedly connected to the top of the injection port assembly 2.

[0027] Furthermore, support blocks 4 are fixedly connected to both sides of the lower side of the upper mold plate 1, and there is a gap between the two support blocks 4 placed on the sides of the connecting plate assembly 3. A through hole portion 31 is opened in the middle of the connecting plate assembly 3, and the through hole portion 31 passes through the middle of the injection port assembly 2.

[0028] Furthermore, the support block 4 is fixedly connected to the upper parts of the two sides of the upper mold base 5 at the bottom, and the middle of the upper mold base 5 is fixedly connected to the runner column 9. At the same time, the injection port assembly 2 is inserted into the runner column 9. The upper part of the upper mold base 5 is fixedly connected to the support column 11, and the top of the support column 11 is tightly fitted with the bottom of the connecting plate assembly 3.

[0029] Among them, a connecting plate assembly 3, a support block 4 and an upper mold base 5 are provided below the upper mold plate 1, and the connecting plate assembly 3 uses the space between the support block 4 and the upper mold base 5 to make it easy to dissipate heat in the internal structure and have a buffering effect. A runner column 9 is provided in the middle of the upper mold base 5. The injection port assembly 2 is inserted from the top of the upper mold plate 1 and inserted into the runner column 9 and the upper mold base 5 to inject injection liquid into the entire mold.

[0030] Furthermore, a groove portion 51 and a protrusion 52 are provided at the bottom of the upper mold base 5, and the groove portion 51 is arranged outside the protrusion 52, and the bottom of the protrusion 52 is flush with the bottom of the injection port assembly 2. The lower mold base 6 is pressed under the upper mold base 5, and a groove portion 61 is opened inside the upper part of the lower mold base 6.

[0031] Furthermore, the third core block assembly 12 and the fourth core block assembly 13 are fixedly connected inside one side of the ring groove portion 51, and the outer step portion below the third core block assembly 12 is stuck on the edge of one side of the groove portion 61, and the fourth core block assembly 13 is inserted into the middle of one side of the groove portion 61.

[0032] The ring groove 51 and the protrusion 52 provided below the upper die seat 5 are inserted into the groove 61 above the lower die seat 6, and the interior is sealed by the fitting of the upper die seat 5 and the lower die seat 6, so that a cavity is formed inside.

[0033] Furthermore, one side of the upper mold base 5 is inserted into the middle of the first mold core block assembly 7 and the second mold core block assembly 8 for sliding connection, and the tops of the first mold core block assembly 7 and the second mold core block assembly 8 are fixedly connected to the bottom of the connecting plate assembly 3.

[0034] Furthermore, the front and rear ends of the bottom of the first core block assembly 7 are flush with the bottom of the protrusion 52 and the bottom of the third core block assembly 12 respectively, and the bottom of the second core block assembly 8 is flush with the bottom of the protrusion 52 .

[0035] The first core block assembly 7 and the second core block assembly 8 inserted into the upper mold base 5 cooperate with the third core block assembly 12 and the fourth core block assembly 13 on one side of the ring groove portion 51 to form a cavity at the connection on one side of the barrel cover.

[0036] The wedge block assembly 14 is fixedly connected to both sides of the lower mold base 6, and the upper part of the wedge block assembly 14 is inserted into the sliding connection of the upper mold base 5. At the same time, the inner convex end of the wedge block assembly 14 is inserted into the two sides of the third mold core block assembly 12 with a gap.

[0037] Furthermore, the bottom of the lower mold base 6 is fixedly connected to the lower mold plate 15 .

[0038] A wedge assembly 14 is provided on the lower die base 6, and the wedge assembly 14 is used to first position the upper die base 5 when it is pressed together, and then the inner side of the wedge assembly 14 is inserted into the side end of the third core block assembly 12 to form a cavity for the connecting hole of the barrel cover.

[0039] Working principle:

[0040] A connecting plate assembly 3 and a support block 4 are provided below the upper mold plate 1, and an upper mold base 5 is provided below the support block 4, a runner column 9 is provided above the upper mold base 5, and the runner column 9 and the upper mold base 5 are inserted below the injection port assembly 2, so that the injection liquid is injected into the mold through the injection port assembly 2, a ring groove portion 51 and a protrusion 52 are provided below the upper mold base 5, and a first mold core block assembly 7 and a second mold core block assembly 8 are inserted on one side of the upper mold base 5, and a third mold core block assembly 12 and a fourth mold core block assembly 13 are provided on one side below the upper mold base 5 , using the mutual cooperation of the bottom of the first core block assembly 7, the bottom of the second core block assembly 8, the third core block assembly 12, and the fourth core block assembly 13, and then inserting them together into the groove portion 61 on the lower mold base 6, at this time, a wedge block assembly 14 is provided above the lower mold base 6 and inserted into the inner side of the third core block assembly 12 at both ends, so as to form a complete cavity. When demolding, the upper mold base 5 and the structure above it are directly pulled apart under the external force, and the product part 16 is formed in the groove portion 61 of the lower mold base 6 and can be taken out from it.

[0041] 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 in similar ways without departing from the spirit of the present invention.

[0042] Although this article uses more terms such as 1, upper mold plate; 2, injection port assembly; 3, connecting plate assembly; 31, through hole portion; 32, positioning hole portion; 4, support block; 5, upper mold base; 51, ring groove portion; 52, protrusion portion; 6, lower mold base; 61, groove portion; 7, first core block assembly; 8, second core block assembly; 9, runner column; 10, positioning column; 11, support column; 12, third core block assembly; 13, fourth core block assembly; 14, wedge block assembly; 15, lower mold plate; 16, product part, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. An injection mold for an odor-proof outdoor trash can lid, comprising an upper mold plate (1), characterized in that: A connecting plate assembly (3) is provided in the middle of the lower part of the upper mold plate (1), and support blocks (4) are provided on both sides of the lower part of the upper mold plate (1). At the same time, the middle parts of the upper mold plate (1) and the connecting plate assembly (3) pass through the injection port assembly (2). An upper mold base (5) is provided below the support block (4), and a flow channel column (9) and a support column (11) are provided above the upper mold base (5). At the same time, the lower part of the injection port assembly (2) is inserted into the flow channel column (9). A first mold core block assembly (7) and a second mold core block assembly (8) are respectively inserted on one side of the upper mold base (5). There are a third mold core block assembly (12) and a fourth mold core block assembly (13), and the third mold core block assembly (12) and the fourth mold core block assembly (13) cooperate with the bottom of the first mold core block assembly (7) and the bottom of the second mold core block assembly (8). At the same time, the bottom of the first mold core block assembly (7), the bottom of the second mold core block assembly (8), the third mold core block assembly (12) and the fourth mold core block assembly (13) are placed on one side above the lower mold base (6), and wedge block assemblies (14) are provided on both sides above the lower mold base (6), and a product part (16) is provided between the upper mold base (5) and the lower mold base (6).

2. The injection mold for the odor-proof outdoor trash can lid according to claim 1, characterized in that: The middle part of the lower part of the upper template (1) is fixedly connected to the connecting plate assembly (3), and the two sides of the lower part of the upper template (1) are fixedly connected to the positioning columns (10), and at the same time, the two sides of the connecting plate assembly (3) are provided with positioning holes (32), and the positioning columns (10) are inserted into the sliding connection positioning holes (32), and the middle of the upper template (1) is inserted and fixedly connected to the top of the injection port assembly (2).

3. The injection mold for the odor-proof outdoor trash can lid according to claim 2, characterized in that: Support blocks (4) are fixedly connected to both sides of the lower side of the upper template (1), and a gap is formed between the two support blocks (4) placed on the sides of the connecting plate assembly (3). A through hole (31) is provided in the middle of the connecting plate assembly (3), and the through hole (31) passes through the middle of the injection port assembly (2).

4. The injection mold for the odor-proof outdoor trash can lid according to claim 3, characterized in that: The support block (4) is fixedly connected to the upper parts of both sides of the upper mold base (5) at the bottom, and the middle of the upper mold base (5) is fixedly connected to the runner column (9), and the injection port assembly (2) is inserted into the runner column (9). The upper part of the upper mold base (5) is fixedly connected to the support column (11), and the top of the support column (11) is tightly fitted with the bottom of the connecting plate assembly (3).

5. The injection mold for the odor-proof outdoor trash can lid according to claim 4, characterized in that: The bottom of the upper mold base (5) is provided with a ring groove portion (51) and a protruding portion (52), and the ring groove portion (51) is arranged outside the protruding portion (52), and the bottom of the protruding portion (52) is flush with the bottom of the injection port assembly (2). The lower mold base (6) is pressed under the upper mold base (5), and a groove portion (61) is opened on the top of the lower mold base (6).

6. The injection mold for the odor-proof outdoor trash can lid according to claim 5, characterized in that: The third mold core block assembly (12) and the fourth mold core block assembly (13) are fixedly connected inside one side of the ring groove portion (51), and the outer step portion below the third mold core block assembly (12) is clamped on the edge of one side of the groove portion (61), while the fourth mold core block assembly (13) is inserted into the middle of one side of the groove portion (61).

7. The injection mold for the odor-proof outdoor trash can lid according to claim 6, characterized in that: One side of the upper mold base (5) is inserted into and slidably connected to the middle of the first mold core block assembly (7) and the second mold core block assembly (8), and the tops of the first mold core block assembly (7) and the second mold core block assembly (8) are fixedly connected to the bottom of the connecting plate assembly (3).

8. The injection mold for the odor-proof outdoor trash can lid according to claim 7, characterized in that: The front and rear ends of the bottom of the first core block assembly (7) are respectively flush with the bottom of the protruding portion (52) and the bottom of the third core block assembly (12), and the bottom of the second core block assembly (8) is flush with the bottom of the protruding portion (52).

9. The injection mold for the odor-proof outdoor trash can lid according to claim 8, characterized in that: Both sides of the lower die base (6) are fixedly connected to the wedge block assembly (14), and the upper side of the wedge block assembly (14) is inserted into the sliding connection of the two sides of the upper die base (5), and at the same time, the inner convex end of the wedge block assembly (14) is inserted into the two sides of the third mold core block assembly (12) with a gap between them.

10. The injection mold for the odor-proof outdoor trash can lid according to claim 9, characterized in that: The bottom of the lower die base (6) is fixedly connected to the lower die plate (15).

Images