Ultra-large type deep-cavity municipal garbage can mold with internal and external synchronous cooling systems

Abstract

The utility model belongs to the technical field of molds, and particularly relates to an ultra-large type deep-cavity municipal garbage can mold with an inner and outer synchronous cooling system. The garbage can forming die comprises a garbage can forming lower die, a garbage can forming middle die and a garbage can forming upper die. After injection molding is completed, cooling water is introduced into the first mold outer cooling part, the second mold outer cooling part and the third mold outer cooling part, the garbage can forming upper mold, the garbage can forming middle mold and the garbage can forming lower mold are subjected to mold outer cooling, the cooling water is injected into the garbage can forming embedded block through the mold inner cooling part, and then the garbage can forming upper mold, the garbage can forming middle mold and the garbage can forming lower mold are formed. The quality and smoothness of the inner side and the outer side of the plastic part are greatly improved, uneven cooling of the inner side and the outer side of the plastic part is avoided, the cooling area is large, and the cooling effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an ultra-large deep-cavity municipal garbage can mold with an internal and external synchronous cooling system. Background Art

[0002] At present, molds are present in all industrial production. In mass production, molds have greatly improved the production speed and driven the rapid development of modern industry. The mold manufacturing industry occupies a special position in the product manufacturing system, and its development level determines the overall level of the manufacturing industry. Existing municipal plastic trash cans are generally manufactured with injection molds. When the existing injection molds are used to produce municipal trash cans, due to the deep depth of the municipal trash cans, there is a lack of cooling structure on the inside of the trash can during the cooling process, making it difficult to achieve internal and external synchronous cooling, resulting in differences in the quality and smoothness of the inside and outside of the plastic parts, and uneven cooling. Therefore, it is urgent to design an ultra-large deep-cavity municipal trash can mold with an internal and external synchronous cooling system that can overcome the above defects.

[0003] In order to overcome the shortcomings of the prior art, people have proposed various solutions through continuous exploration. For example, a Chinese patent discloses a large deep-cavity thick-walled municipal trash can injection molding mold [application number: 202320597000.9], which includes an upper template, a middle template and a lower template. The lower template is provided with a molding insert inserted into the middle template. A barrel bottom molding structure for forming a pedal mounting position at the bottom of the barrel is also provided between the molding insert and the upper template. The barrel bottom molding structure includes two support foot molding blocks and a mounting position molding block arranged between the two support foot molding blocks. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a super-large deep-cavity municipal garbage can mold with an internal and external synchronous cooling system.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A super-large deep-cavity municipal trash can mold with an internal and external synchronous cooling system comprises a trash can molding lower mold, a trash can molding middle mold and a trash can molding upper mold, an injection molded diverter is arranged above the trash can molding upper mold, a trash can molding embedded block is arranged between the trash can molding middle mold and the trash can molding upper mold, an alignment part is arranged at the bottom of the trash can molding lower mold, the trash can molding embedded block corresponds to the position of the alignment part, a first mold-outside cooling part is arranged in the trash can molding upper mold, a second mold-outside cooling part is arranged in the trash can molding middle mold, a third mold-outside cooling part is arranged in the trash can molding lower mold, and an in-mold cooling part is arranged in the trash can molding embedded block.

[0007] In the above-mentioned ultra-large deep-cavity municipal trash can mold with internal and external synchronous cooling system, the in-mold cooling part includes an in-mold cooling water channel arranged in the trash can molding embedded block, and the in-mold cooling water channel runs through the trash can molding embedded block.

[0008] In the above-mentioned ultra-large deep-cavity municipal trash can mold with internal and external synchronous cooling system, an in-mold water inlet channel is provided in the trash can molding lower mold, and the in-mold water inlet channel is connected with the in-mold cooling water channel.

[0009] In the above-mentioned ultra-large deep-cavity municipal trash can mold with internal and external synchronous cooling system, the first external mold cooling part includes a plurality of upper mold cooling water channels arranged in the trash can forming upper mold, and the plurality of upper mold cooling water channels are parallel to each other.

[0010] In the above-mentioned ultra-large deep-cavity municipal trash can mold with internal and external synchronous cooling systems, the upper mold cooling water channel runs through the trash can molding upper mold.

[0011] In the above-mentioned super-large deep-cavity municipal trash can mold with internal and external synchronous cooling system, the second mold outer cooling part includes a plurality of middle mold cooling water channels arranged in the trash can forming middle mold, and the plurality of middle mold cooling water channels are parallel to each other.

[0012] In the above-mentioned super-large deep-cavity municipal trash can mold with internal and external synchronous cooling systems, the middle mold cooling water channel runs through the trash can molding middle mold.

[0013] In the above-mentioned ultra-large deep-cavity municipal trash can mold with internal and external synchronous cooling system, the third external mold cooling part includes a plurality of lower mold cooling water channels arranged in the trash can molding lower mold, and the plurality of lower mold cooling water channels are parallel to each other.

[0014] In the above-mentioned ultra-large deep-cavity municipal trash can mold with internal and external synchronous cooling system, the injection molded diverter component includes an injection molded main board and an injection molded diverter plate arranged above the trash can molding upper mold.

[0015] In the above-mentioned ultra-large deep-cavity municipal trash can mold with internal and external synchronous cooling system, the alignment part includes an insert alignment groove arranged at the bottom of the trash can molding lower mold, and the trash can molding inner insert block abuts against the insert alignment groove.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] The utility model, during the injection molding process, brings the trash can molding lower mold, the trash can molding middle mold and the trash can molding upper mold close to each other, so that the trash can molding lower mold, the trash can molding middle mold and the trash can molding upper mold wrap the trash can molding inner-lined block, aligns the bottom of the trash can molding inner-lined block through the aligning part, and the aligning is accurate to form a complete trash can plastic part cavity, and the molten material is injected into the cavity through the injection molding diverter. After the injection molding is completed, cooling water is introduced into the first mold outer cooling part, the second mold outer cooling part and the third mold outer cooling part, and the trash can molding upper mold, the trash can molding middle mold and the trash can molding lower mold are respectively cooled outside the mold, and the cooling water is injected into the trash can molding inner-lined block through the mold inner cooling part to complete the mold inner cooling, so as to realize the internal and external synchronous cooling of the inner and outer sides of the plastic part, greatly improve the quality and smoothness of the inner and outer sides of the plastic part, avoid the uneven cooling of the inside and outside of the plastic part, and the cooling area is large and the cooling effect is good.

[0018] 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

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 It is a top view of the utility model.

[0021] Figure 3 yes Figure 2 Schematic diagram of the cross section at AA in the middle.

[0022] Figure 4 It is a structural schematic diagram of the lower mold for forming a trash can.

[0023] In the figure: a trash can molding lower mold 1, a trash can molding middle mold 2, a trash can molding upper mold 3, an injection molding diverter 4, a trash can molding inner block 5, an alignment part 6, a first mold outer cooling part 7, a second mold outer cooling part 8, a third mold outer cooling part 9, an in-mold cooling part 10, an in-mold cooling water channel 11, an in-mold water inlet channel 111, an upper mold cooling water channel 12, a middle mold cooling water channel 13, a lower mold cooling water channel 14, an injection molding main board 15, an injection molding diverter plate 16, and an insert block alignment groove 17. DETAILED DESCRIPTION

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

[0025] like Figure 1-4As shown, a super-large deep-cavity municipal trash can mold with an internal and external synchronous cooling system includes a trash can molding lower mold 1, a trash can molding middle mold 2 and a trash can molding upper mold 3, an injection molding diverter 4 is provided above the trash can molding upper mold 3, a trash can molding embedded block 5 is provided between the trash can molding middle mold 2 and the trash can molding upper mold 3, a positioning part 6 is provided at the bottom of the trash can molding lower mold 1, and the position of the trash can molding embedded block 5 corresponds to the positioning part 6, a first mold-out cooling part 7 is provided in the trash can molding upper mold 3, a second mold-out cooling part 8 is provided in the trash can molding middle mold 2, a third mold-out cooling part 9 is provided in the trash can molding lower mold 1, and an in-mold cooling part 10 is provided in the trash can molding embedded block 5.

[0026] In this embodiment, during the injection molding process, the trash can molding lower mold 1, the trash can molding middle mold 2 and the trash can molding upper mold 3 are brought close to each other, so that the trash can molding lower mold 1, the trash can molding middle mold 2 and the trash can molding upper mold 3 wrap the trash can molding inner block 5, and the bottom of the trash can molding inner block 5 is aligned by the alignment part 6, and the alignment is accurate to form a complete trash can plastic part cavity, and the molten material is injected into the cavity through the injection molding diverter 4. After the injection molding is completed, the cooling water is passed into the first mold outside cooling part 7, the second mold outside cooling part 8 and the third mold outside cooling part 9, and the trash can molding upper mold 3, the trash can molding middle mold 2 and the trash can molding lower mold 1 are cooled outside the mold respectively, and the cooling water is injected into the trash can molding inner block 5 through the mold inside cooling part 10 to complete the mold inside cooling, so as to realize the internal and external synchronous cooling of the inner and outer sides of the plastic part, greatly improve the quality and smoothness of the inner and outer sides of the plastic part, avoid the uneven cooling of the inside and outside of the plastic part, and have a large cooling area and a good cooling effect.

[0027] Combination Figure 1-4 As shown, the in-mold cooling part 10 includes an in-mold cooling water channel 11 arranged in the trash can molding embedded block 5, and the in-mold cooling water channel 11 passes through the trash can molding embedded block 5. The trash can molding lower mold 1 is provided with an in-mold water inlet channel 111, and the in-mold water inlet channel 111 is connected to the in-mold cooling water channel 11.

[0028] Specifically, after the injection molding is completed, the cooling water is injected into the in-mold cooling water channel 11 through the in-mold water inlet channel 111, so that the cooling water circulates in the trash can molding embedded block 5, completing the in-mold cooling, and realizing internal and external synchronous cooling of the inside and outside of the plastic part, which greatly improves the quality and smoothness of the inside and outside of the plastic part, avoids uneven cooling of the inside and outside of the plastic part, has a large cooling area, and has a good cooling effect.

[0029] Combination Figure 1 , Figure 2As shown, the first external mold cooling portion 7 includes a plurality of upper mold cooling water channels 12 disposed in the trash can molding upper mold 3 , the plurality of upper mold cooling water channels 12 are parallel to each other, and the upper mold cooling water channels 12 penetrate through the trash can molding upper mold 3 .

[0030] In this embodiment, after the injection molding is completed, cooling water is introduced into the upper mold cooling water channel 12 to complete the outer mold cooling of the upper mold.

[0031] Combination Figure 2 As shown, the second outer mold cooling part 8 includes a plurality of middle mold cooling water channels 13 arranged in the trash can molding middle mold 2, the plurality of middle mold cooling water channels 13 are parallel to each other, and the middle mold cooling water channels 13 penetrate through the trash can molding middle mold 2.

[0032] In this embodiment, after the injection molding is completed, cooling water is introduced into the cooling water channel 13 of the middle mold to complete the external cooling of the middle mold.

[0033] Combination Figure 1-2 As shown, the third external mold cooling part 9 includes a plurality of lower mold cooling water channels 14 arranged in the trash can molding lower mold 1, and the plurality of lower mold cooling water channels 14 are parallel to each other.

[0034] In this embodiment, after the injection molding is completed, cooling water is introduced into the lower mold cooling water channel 14 to complete the outer mold cooling of the lower mold.

[0035] Combination Figure 1-2 As shown, the injection molded flow diverter 4 includes an injection molded main board 15 and an injection molded flow diverter plate 16 which are arranged above the trash can molding upper mold 3 .

[0036] In this embodiment, during injection molding, the molten material is injected through the injection molding main board 15 and then diverted through the injection molding diverter plate 16, thereby accelerating the injection molding rate and improving the injection molding efficiency.

[0037] Combination Figure 1-4 As shown, the alignment portion 6 includes an insert alignment groove 17 provided at the bottom of the trash can molding lower mold 1 , and the trash can molding inner insert block 5 abuts against the insert alignment groove 17 .

[0038] In this embodiment, when the mold is closed, the bottom of the trash can forming embedded block 5 is aligned by the trash can forming embedded block 5, and the alignment is accurate.

[0039] The working principle of the utility model is:

[0040] During the injection molding process, the trash can molding lower mold 1, the trash can molding middle mold 2 and the trash can molding upper mold 3 are brought close to each other, so that the trash can molding lower mold 1, the trash can molding middle mold 2 and the trash can molding upper mold 3 wrap the trash can molding inner block 5, and the bottom of the trash can molding inner block 5 is aligned by the trash can molding inner block 5, and the alignment is accurate to form a complete trash can plastic part cavity, and the molten material is injected through the injection molding main board 15, and then diverted through the injection molding diverter plate 16, which speeds up the injection molding rate and improves the injection molding efficiency. After the injection molding is completed, cooling water is passed through the mold. The water inlet channel 111 is injected into the cooling water channel 11 in the mold, so that the cooling water circulates in the trash can molding embedded block 5 to complete the in-mold cooling, and the cooling water is passed into the upper mold cooling water channel 12 to complete the outer mold cooling of the upper mold, and the cooling water is passed into the middle mold cooling water channel 13 to complete the outer mold cooling of the middle mold, and the cooling water is passed into the lower mold cooling water channel 14 to complete the outer mold cooling of the lower mold, so as to achieve internal and external synchronous cooling of the inside and outside of the plastic part, greatly improve the quality and smoothness of the inside and outside of the plastic part, avoid uneven cooling of the inside and outside of the plastic part, and have a large cooling area and good cooling effect.

[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 trash can molding lower mold 1, trash can molding middle mold 2, trash can molding upper mold 3, injection molding diverter 4, trash can molding inner block 5, alignment part 6, first mold outer cooling part 7, second mold outer cooling part 8, third mold outer cooling part 9, mold inner cooling part 10, mold inner cooling water channel 11, mold inner water inlet channel 111, upper mold cooling water channel 12, middle mold cooling water channel 13, lower mold cooling water channel 14, injection molding main board 15, injection molding diverter plate 16, and block alignment groove 17, it does not exclude the possibility of using other terms. The use of these terms is only to more conveniently describe and explain the essence of the utility model, and interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. An ultra-large deep-cavity municipal trash can mold with an internal and external synchronous cooling system, comprising a trash can molding lower mold (1), a trash can molding middle mold (2) and a trash can molding upper mold (3), characterized in that: An injection molding diverter (4) is provided above the trash can molding upper mold (3), a trash can molding inner-line block (5) is provided between the trash can molding middle mold (2) and the trash can molding upper mold (3), a positioning portion (6) is provided at the bottom of the trash can molding lower mold (1), and the positions of the trash can molding inner-line block (5) and the positioning portion (6) correspond to each other, a first outer-mold cooling portion (7) is provided inside the trash can molding upper mold (3), a second outer-mold cooling portion (8) is provided inside the trash can molding middle mold (2), a third outer-mold cooling portion (9) is provided inside the trash can molding lower mold (1), and an inner-mold cooling portion (10) is provided inside the trash can molding inner-line block (5).

2. The ultra-large deep cavity municipal trash can mold with internal and external synchronous cooling system according to claim 1 is characterized in that: The in-mold cooling portion (10) comprises an in-mold cooling water channel (11) arranged in the trash can molding inline block (5), and the in-mold cooling water channel (11) penetrates through the trash can molding inline block (5).

3. The ultra-large deep cavity municipal trash can mold with internal and external synchronous cooling system according to claim 2 is characterized in that: An in-mold water inlet channel (111) is provided in the trash can molding lower mold (1), and the in-mold water inlet channel (111) is connected to the in-mold cooling water channel (11).

4. The ultra-large deep cavity municipal trash can mold with internal and external synchronous cooling system according to claim 3 is characterized in that: The first external mold cooling portion (7) comprises a plurality of upper mold cooling water channels (12) arranged in the trash can molding upper mold (3), and the plurality of upper mold cooling water channels (12) are parallel to each other.

5. The ultra-large deep cavity municipal trash can mold with internal and external synchronous cooling system according to claim 4, characterized in that: The upper mold cooling water channel (12) passes through the trash can forming upper mold (3).

6. The ultra-large deep cavity municipal trash can mold with internal and external synchronous cooling system according to claim 5, characterized in that: The second external mold cooling portion (8) comprises a plurality of middle mold cooling water channels (13) arranged in the trash can molding middle mold (2), and the plurality of middle mold cooling water channels (13) are parallel to each other.

7. The ultra-large deep cavity municipal trash can mold with internal and external synchronous cooling system according to claim 6, characterized in that: The middle mold cooling water channel (13) passes through the trash can molding middle mold (2).

8. The ultra-large deep cavity municipal trash can mold with internal and external synchronous cooling system according to claim 7, characterized in that: The third external mold cooling portion (9) comprises a plurality of lower mold cooling water channels (14) arranged in the trash can molding lower mold (1), and the plurality of lower mold cooling water channels (14) are parallel to each other.

9. The super-large deep-cavity municipal trash can mold with internal and external synchronous cooling system according to claim 8, characterized in that: The injection molded flow diverter (4) comprises an injection molded main board (15) and an injection molded flow diverter plate (16) which are arranged above the trash can molding upper mold (3).

10. The super-large deep-cavity municipal trash can mold with internal and external synchronous cooling system according to claim 9, characterized in that: The alignment portion (6) comprises an insert alignment groove (17) arranged at the bottom of the trash can molding lower mold (1), and the trash can molding inner insert block (5) abuts against the insert alignment groove (17).

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