Bottle blowing mold capable of automatically popping up bottle bottom movable block

Abstract

The utility model discloses a bottle blowing mold capable of automatically ejecting a bottle bottom movable block, and relates to the technical field of bottle manufacturing. Comprising a left mold, a right mold and a pressing assembly, a forming cavity is formed between the left mold and the right mold, a bottle bottom movable block capable of vertically moving is arranged on the left mold, the forming cavity is communicated with the bottle bottom movable block, an elastic piece is arranged between the bottle bottom movable block and the left mold, and the elastic piece is used for enabling the bottle bottom movable block to be vertically away from the forming cavity; the pressing assembly is matched with the bottle bottom movable block so that the bottle bottom movable block can get close to the forming cavity. When a bottle needs to be blown, the left mold is close to the right mold, the pressing assembly is matched with the bottle bottom movable block, the bottle bottom movable block is close to the forming cavity, and the bottle bottom movable block is automatically ejected in the demolding process, so that the bottle bottom movable block is not prone to scraping down the bottle or scratching the bottle, automatic production is achieved, the bottle does not need to be taken out manually, and the production efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to bottle manufacturing technical field especially relates to a kind of bottle blowing mould that can automatically pop out bottle bottom movable block. BACKGROUND

[0002] Bottle blowing mould is a kind of mould specially designed for manufacturing hollow plastic products, usually using PET (polyethylene terephthalate) and other materials for production. This mould plays a vital role in the production process of plastic bottles, by placing heated plastic blank in the mould, using high-pressure air to blow it into a predetermined shape of bottle.

[0003] In the process of producing bottles, often need to be engraved on the bottle bottom mark, in the prior art, by setting bottle bottom movable block on mould, high-pressure air blow bottle, mark will be formed on the bottom of bottle by bottle bottom movable block, but in the prior art, bottle bottom movable block is usually fixed with mould, not movable, when demoulding, bottle is easily scraped down, so manual bottle is taken out, cannot carry out full automation production, production efficiency is lower. SUMMARY

[0004] The utility model provides a kind of bottle blowing mould that can automatically pop out bottle bottom movable block to overcome that bottle bottom movable block cannot automatically pop out, when demoulding, bottle is easily scraped down, so manual bottle is taken out, cannot carry out full automation production, production efficiency is lower.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of bottle blowing mould that can automatically pop out bottle bottom movable block, including left mould, right mould and compression assembly, the left mould and right mould form forming cavity, the left mould is equipped with the bottle bottom movable block that can be vertically moved, the forming cavity is communicated with the bottle bottom movable block, the bottle bottom movable block is equipped with elastic member between the left mould, the elastic member is used to make the bottle bottom movable block vertically away from the forming cavity, when the left mould is close to the right mould, the compression assembly is cooperated with the bottle bottom movable block and is used to make the bottle bottom movable block close to the forming cavity. As described above, the bottle blowing mould that can automatically pop out bottle bottom movable block, first guide inclined plane is equipped on the bottle bottom movable block, the compression assembly includes first compression piece, the first compression piece is equipped with second guide inclined plane, the first guide inclined plane is cooperated with the second guide inclined plane and is used to make the bottle bottom movable block close to the forming cavity.

[0007] As described above, the bottle blowing mould that can automatically pop out bottle bottom movable block, corresponding installation cavity is equipped on the left mould and bottle bottom movable block, and the installation cavity is used to install the elastic member.

[0008] The bottle bottom movable block of the bottle blowing mold capable of automatically popping out can be automatically popped out by the elastic member.

[0009] The bottle bottom movable block of the bottle blowing mold capable of automatically popping out can be automatically popped out by the elastic member.

[0010] The bottle bottom movable block of the bottle blowing mold capable of automatically popping out can be automatically popped out by the elastic member.

[0011] The bottle bottom movable block of the bottle blowing mold capable of automatically popping out can be automatically popped out by the elastic member.

[0012] The bottle bottom movable block of the bottle blowing mold capable of automatically popping out can be automatically popped out by the elastic member.

[0013] The bottle bottom movable block of the bottle blowing mold capable of automatically popping out can be automatically popped out by the elastic member.

[0014] Compared with the prior art, the bottle bottom movable block of the bottle blowing mold capable of automatically popping out can be automatically popped out by the elastic member.

[0015] Additional aspects and advantages of the present application will be made apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 is the schematic diagram of the explosion structure of the present application Figure 1 ;

[0018] Figure 2 is the schematic diagram of the explosion structure of the present application Figure 2 ;

[0019] Figure 3 is the schematic diagram of the bottle bottom movable block pop-up three-dimensional structure of the present application

[0020] Figure 4 is the schematic diagram of the bottle bottom movable block non-pop-up three-dimensional structure of the present application

[0021] Figure 5 is the schematic diagram of the bottle bottom movable block non-pop-up cross-section of the present application

[0022] Figure 6 is the schematic diagram of the bottle bottom movable block pop-up cross-section of the present application DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0024] As Figures 1 to 6The utility model provides an automatic bottle bottom movable block pop -out blow mould, including left mould 1, right mould 2 and compression assembly 5, the left mould 1 is formed with the moulding cavity 3 with right mould 2, be equipped with the bottle bottom movable block 4 of vertical movement on the left mould 1, the bottle bottom movable block 4 is connected with the left mould 1 and is equipped with elastic part 41, the elastic part 41 is used for making the bottle bottom movable block 4 vertical far away from the moulding cavity 3, when the left mould 1 is close to right mould 2, compression assembly 5 is cooperated with the bottle bottom movable block 4 for making the bottle bottom movable block 4 close to the moulding cavity 3. After adopting the utility model, because being equipped with bottle bottom movable block on the left mould, and bottle bottom movable block is equipped with elastic part between the left mould, when needing to demould, left mould is far away from right mould, and the elasticity of elastic part makes bottle bottom movable block far away from the moulding cavity, to realize automatic pop -out bottle bottom movable block, when needing to blow bottle, left mould is close to right mould, and compression assembly is cooperated with bottle bottom movable block, makes bottle bottom movable block close to the moulding cavity, in the process of demoulding, bottle bottom movable block automatically pops out, and therefore bottle bottom movable block is not easy to scrape down bottle and is not easy to scratch bottle, realizes automatic production, and manual bottle is not needed to take out, and production efficiency is higher.

[0025] As a specific embodiment, not limited, in order to make left mould 1 close to right mould 2, bottle bottom movable block 4 can close to moulding cavity 3, first guide inclined plane 42 is equipped on the bottle bottom movable block 4, and compression assembly 5 includes first compression piece 51, and first compression piece 51 is equipped with second guide inclined plane 511, and first guide inclined plane 42 is cooperated with second guide inclined plane 511 for making bottle bottom movable block 4 close to moulding cavity 3. Because first guide inclined plane 42 and second guide inclined plane 511 are a kind of inclined plane settings, and first guide inclined plane 42 is attached to second guide inclined plane 511, when left mould 1 is close to right mould 2, corresponding first guide inclined plane 42 is close to second guide inclined plane 511, and inclined plane is cooperated, therefore, with the continuous cooperation of first guide inclined plane 42 and second guide inclined plane 511, bottle bottom movable block 4 also approaches moulding cavity 3 movement, to reach the purpose that bottle bottom movable block 4 automatically approaches moulding cavity 3. In addition, compression assembly 5 also includes second compression piece 52, and first compression piece 51 is oppositely arranged with second compression piece 52, and second compression piece 52 is fixed on left mould 1. In the process of bottle bottom movable block 4 activity, second compression piece 52 can play a guiding role.

[0026] Further, in order to make the left mold 1 and the right mold 2 away from the bottle bottom movable block 4 automatically pop out, and perform demolding, the left mold 1 and the bottle bottom movable block 4 are provided with corresponding installation cavities 6, and the installation cavities 6 are used to install the elastic member 41. The elastic member 41 is a spring. One end of the elastic member 41 abuts against the left mold 1, and the other end abuts against the bottle bottom movable block 4. When the left mold 1 is away from the right mold 2, the bottle bottom movable block is upwardly popped out due to the elastic force of the elastic member 41, so that the purpose of automatic demolding is achieved.

[0027] As a specific embodiment but not limitation, in order to make the bottle bottom movable block 4 stably perform axial movement, the bottle bottom movable block 4 is provided with a blind hole 44, and guide columns 43 are arranged between the blind holes 44. One end of the guide column 43 is fixed to the left mold 1, and the other end is arranged in the blind hole 44. The bottle bottom movable block 4 moves axially along the guide column 43. The guide column 43 can be a screw with a thread at the bottom. The thread at the bottom is fixed by thread cooperation with the left mold. The top of the guide column 43 is provided with a hexagonal flat head, which cooperates with the blind hole, so that the bottle bottom movable block 4 can move axially along the guide column 43, but will not be separated from the guide column 43.

[0028] Further, in order to make the bottle bottom movable block 4 better installed between the left mold 1 and the right mold 2, the installation groove 7 is formed between the left mold 1 and the right mold 2. The forming cavity 3 is communicated with the installation groove 7. The installation groove 7 is used to install the bottle bottom movable block 4.

[0029] As a specific embodiment but not limitation, in order to make the bottle bottom movable block 4 not easily separated when moving on the installation groove 7, the installation groove 7 includes a left installation groove 71 arranged on the left mold 1. A limiting block 72 is arranged in the left installation groove 71. The limiting block 72 and the inner wall of the left installation groove 71 form an active groove 73 which can be used by the bottle bottom movable block 4. The installation groove 7 includes the left installation groove 71 and a right installation groove. The limiting block 72 is arranged on the left installation groove 71. The side wall of the limiting block 72 and the inner wall of the left installation groove 71 form the active groove 73. The bottle bottom movable block 4 moves along the active groove 73. The left installation groove 71 and the right installation groove form the installation groove 7 which can be used by the bottle bottom movable block 4.

[0030] Further, in order to conveniently form different styles of marks on the bottom of the bottle, the bottle bottom movable block 4 includes a bottle bottom plastic forming column 45 and a mounting seat 46. The bottle bottom plastic forming column 45 can be detachably fixed to the mounting seat 46. Since the bottle bottom plastic forming column 45 can be detached, when different styles of bottle bottoms need to be manufactured, the bottle bottom plastic forming column 45 with different marks is only needed to be installed to the mounting seat 46, and the manufacturing is completed.

[0031] As a specific embodiment rather than limitation, in order to make the mold not easy to be damaged during manufacturing, the left mold 1 is installed on the left back plate 8, and the right mold 2 is installed on the right back plate 9. When the bottle is manufactured, the left mold 1 and the right mold 2 are close to each other, and the left back plate 8 and the right back plate 9 can well absorb the impact, so as to avoid that the mold is damaged due to too large impact.

[0032] The specific working principle of the utility model is as follows:

[0033] When the bottle is blown, the raw material is in the forming cavity 3, and the left mold 1 is relatively close to the right mold 2, as shown in Figure 4 and Figure 5 The first guide slope 42 and the second guide slope 511 cooperate, so that the bottle bottom movable block 4 is close to the forming cavity 3, and the corresponding bottle bottom plastic column 45 enters the forming cavity 3. In the process of bottle forming, the identification is generated at the bottle bottom. After the bottle is processed, the left mold 1 is away from the right mold 2, as shown in Figure 3 and Figure 6 At this time, the elastic member makes the bottle bottom movable block 4 pop out, and the generated bottle is conveyed out of the mold, that is, the production of the bottle can be completed. In the demolding process, the bottle bottom movable block automatically pops out, so that the bottle bottom movable block is not easy to scratch the bottle and is not easy to scratch the bottle, realizes automatic production, does not need manual taking out of the bottle, and the production efficiency is higher.

[0034] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A blow mold capable of automatically ejecting a bottle bottom movable block, characterized by, The application relates to a bottle bottom moulding device, which comprises a left mould (1), a right mould (2) and a pressing assembly (5), a forming cavity (3) is formed between the left mould (1) and the right mould (2), a bottle bottom movable block (4) capable of vertically moving is arranged on the left mould (1), the forming cavity (3) is communicated with the bottle bottom movable block (4), an elastic element (41) is arranged between the bottle bottom movable block (4) and the left mould (1), the elastic element (41) is used for making the bottle bottom movable block (4) vertically move away from the forming cavity (3), when the left mould (1) approaches the right mould (2), the pressing assembly (5) is matched with the bottle bottom movable block (4) and is used for making the bottle bottom movable block (4) approach the forming cavity (3).

2. The bottle bottom ejecting mold according to claim 1, wherein A first guide inclined surface (42) is arranged on the bottle bottom movable block (4), the pressing assembly (5) comprises a first pressing element (51), the first pressing element (51) is provided with a second guide inclined surface (511), the first guide inclined surface (42) is matched with the second guide inclined surface (511) and is used for making the bottle bottom movable block (4) approach the forming cavity (3).

3. The bottle bottom ejecting mold according to claim 1, wherein Corresponding mounting cavities (6) are arranged on the left mould (1) and the bottle bottom movable block (4), and the mounting cavities (6) are used for mounting the elastic element (41).

4. The bottle bottom ejecting mold according to claim 1, wherein The bottle bottom movable block (4) is provided with a blind hole (44), guide columns (43) are arranged between the blind holes (44), one end of the guide columns (43) is fixed on the left mould (1), the other end is arranged in the blind hole (44), and the bottle bottom movable block (4) moves along the guide columns (43) in the axial direction.

5. The bottle bottom ejector mold according to claim 1, wherein, Mounting grooves (7) are formed between the left mould (1) and the right mould (2), the forming cavity (3) is communicated with the mounting grooves (7), and the mounting grooves (7) are used for mounting the bottle bottom movable block (4).

6. The bottle bottom ejecting mold according to claim 5, wherein The mounting grooves (7) comprise left mounting grooves (71) arranged on the left mould (1), limit blocks (72) are arranged in the left mounting grooves (71), and the limit blocks (72) and the inner walls of the left mounting grooves (71) form movable grooves (73) for the bottle bottom movable block (4).

7. The bottle bottom ejector mold according to claim 1, wherein, The bottle bottom movable block (4) comprises a bottle bottom plastic column (45) and a mounting base (46), and the bottle bottom plastic column (45) is detachably fixed on the mounting base (46).

8. The bottle bottom ejecting mold according to claim 3, wherein The elastic element (41) is a spring.

9. The bottle bottom ejector mold according to claim 1, wherein, The application further relates to a left back plate (8) and a right back plate (9), the left mould (1) is arranged on the left back plate (8), and the right mould (2) is arranged on the right back plate (9).

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