Extrusion molding structure of beverage bottle preform

Abstract

The utility model discloses an extrusion molding structure of a beverage bottle preform, and relates to the technical field of plastic extrusion molding, the extrusion molding structure comprises a base, the top side of the base is fixedly provided with a supporting seat, the top side of the supporting seat is provided with a driving assembly, and the top side of the driving assembly is provided with a first outer mold and a second outer mold; the inner mold is installed on the inner side of the second outer mold through the bolt, then the installation head is installed at the left end of the push rod through the screw, and therefore after a bottle preform is formed, the handle is pulled and then loosened again, then the bottle preform is demolded from the inner mold, use is convenient and fast, the demolding effect is good, and the overall production efficiency is improved; and in the raw material extrusion process, a cleaning rod is inserted into the inner side of the discharging cavity, so that cleaning in the extrusion process is facilitated, the situation that production is affected due to the fact that the discharging cavity is blocked is avoided, and the overall using effect and production efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic extrusion molding, in particular to an extrusion molding structure of a beverage bottle embryo. Background Art

[0002] In daily life, we use all kinds of plastic bottles, such as beverages and daily toiletries, and consume a large number of plastic bottles every day; PE is non-toxic and odorless, resistant to most acid and alkali corrosion, and inexpensive. It is now the main material used to make plastic bottles.

[0003] However, in the production process of beverage bottle preforms, when the injection molding machine is used for injection molding, the material unloading is more troublesome, and the demoulding takes a long time, which can easily lead to reduced production efficiency. At the same time, during the injection molding process, the injection head is prone to clogging, which makes cleaning troublesome and reduces production efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide an extrusion molding structure for a beverage bottle embryo, which can solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extrusion molding structure for a beverage bottle preform, comprising a base, a support base is fixedly installed on the top side of the base, a driving assembly is arranged on the top side of the support base, an outer mold No. 1 and an outer mold No. 2 are arranged on the top side of the driving assembly, an inner mold is installed on the inner side of the outer mold No. 2 by bolts, a demolding mechanism is arranged on the right side of the outer mold No. 2, a support frame is fixedly installed on the top side of the base, a cylinder No. 1 is arranged on the top side of the support frame, an injection molding box is fixedly installed on the driving end of the cylinder No. 1, an extrusion mechanism is arranged on the inner side of the injection molding box, and an extrusion head is fixedly installed on the bottom side of the injection molding box.

[0006] Preferably, the driving assembly includes a threaded rod, a limit rod and a motor, two threaded sleeves and a limit sleeve are respectively provided on the outer sides of the threaded rod and the limit rod, and threaded sleeves and limit sleeves are respectively fixedly installed on the bottom sides of the No. 1 outer mold and the No. 2 outer mold, and a motor is fixedly installed on the right end of the threaded rod.

[0007] Preferably, a fitting hole is respectively provided on the top side of the No. 1 outer mold and the No. 2 outer mold, and four groups of protrusions and grooves are respectively provided on the opposite sides of the No. 1 outer mold and the No. 2 outer mold, and the size and shape of the protrusions match the grooves.

[0008] Preferably, a mounting groove is provided on the left side of the inner mold, a connecting block is fixedly installed on the right side of the inner mold, and a threaded hole is provided on the right side of the connecting block, and the inner mold is a columnar structure.

[0009] Preferably, the demoulding mechanism includes a push rod, a mounting head and a handle, the mounting head is installed on the left side of the push rod by a screw, and the size and shape of the mounting head match the mounting slot, the handle is fixedly installed on the right end of the push rod, and a spring is fixedly installed between the handle and the second outer mold.

[0010] Preferably, the extrusion mechanism includes an extrusion plate, a cleaning rod and a No. 2 cylinder. The extrusion plate is arranged on the inner side of the injection molding box, the No. 2 cylinder is arranged between the top side of the extrusion plate and the injection molding box, and two cleaning rods are fixedly installed on the bottom side of the extrusion plate.

[0011] Preferably, a discharge cavity is provided inside the extruder head, and the size and shape of the discharge cavity match the cleaning rod, and a fitting sleeve is provided outside the extruder head, and the size and shape of the fitting sleeve match the fitting hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model uses bolts to install the inner mold on the inner side of the second outer mold, and then uses screws to install the installation head on the left end of the push rod, so that after the bottle embryo is formed, it is convenient to pull the handle and then loosen it again, and then the bottle embryo is demolded from the inner mold. The use is convenient and fast, the demolding effect is good, and the overall production efficiency is improved. Then, during production and in the process of extruding raw materials, the cleaning rod is inserted into the inner side of the discharge cavity, which is conducive to cleaning during the extrusion process, thereby avoiding clogging of the discharge cavity to affect production, thereby improving the overall use effect and production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0015] Figure 2 It is a front view cross-sectional structural diagram of the injection molding box of the utility model;

[0016] Figure 3 It is a front view cross-sectional structure schematic diagram of the No. 1 outer mold and the No. 2 outer mold of the utility model;

[0017] Figure 4 This is a three-dimensional structural schematic diagram of the injection molding box of the utility model;

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the connection between the support base and the outer mold of the utility model.

[0019] In the figure: 1. base; 2. support seat; 3. drive assembly; 4. outer mold No. 1; 5. outer mold No. 2; 6. inner mold; 7. demoulding mechanism; 8. support frame; 9. cylinder No. 1; 10. injection molding box; 11. extrusion mechanism; 12. extrusion head; 301. threaded rod; 302. limit rod; 303. motor; 401. fitting hole; 402. protrusion; 501. groove; 601. mounting groove; 602. connecting block; 701. push rod; 702. mounting head; 703. handle; 1101. extrusion plate; 1102. cleaning rod; 1103. cylinder No. 2; 1201. fitting sleeve; 1202. discharge cavity. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1 In the figure, an extrusion molding structure of a beverage bottle preform comprises a base 1, a support base 2 is fixedly installed on the top side of the base 1, a driving assembly 3 is arranged on the top side of the support base 2, a No. 1 outer mold 4 and a No. 2 outer mold 5 are arranged on the top side of the driving assembly 3, an inner mold 6 is installed on the inner side of the No. 2 outer mold 5 by bolts, a demoulding mechanism 7 is arranged on the right side of the No. 2 outer mold 5, a support frame 8 is fixedly installed on the top side of the base 1, a No. 1 cylinder 9 is arranged on the top side of the support frame 8, an injection molding box 10 is fixedly installed on the driving end of the No. 1 cylinder 9, an extrusion mechanism 11 is arranged on the inner side of the injection molding box 10, and an extrusion head 12 is fixedly installed on the bottom side of the injection molding box 10.

[0023] See also Figure 5 In the figure, the driving assembly 3 includes a threaded rod 301, a limiting rod 302 and a motor 303. Two threaded sleeves and a limiting sleeve are respectively provided on the outer sides of the threaded rod 301 and the limiting rod 302, and the bottom sides of the No. 1 outer mold 4 and the No. 2 outer mold 5 are respectively fixedly installed with threaded sleeves and limiting sleeves, and the motor 303 is fixedly installed on the right end of the threaded rod 301.

[0024] In this embodiment: the threaded rod 301 is driven to rotate by starting the motor 303, thereby driving the No. 1 outer mold 4 and the No. 2 outer mold 5 to move relative to each other and engage with each other under the action of the threaded sleeve, which is conducive to forming a closed space for molding production.

[0025] Working principle: When in use, the inner mold 6 is installed on the inner side of the second outer mold 5 by using bolts, and then the mounting head 702 is installed on the left end of the push rod 701 by using screws, so that after the preform is formed, the handle 703 is pulled and then loosened again, and then the preform is demolded from the inner mold 6. It is convenient and quick to use, with good demolding effect, and improves the overall production efficiency. Then, during production, the motor 303 is started to drive the threaded rod 301 to rotate, so that the first outer mold 4 and the second outer mold 5 are driven to move relative to each other and engage under the action of the threaded sleeve, and then the first outer mold 4 and the second outer mold 5 are driven to move relative to each other and engage with each other. Then, start the No. 1 cylinder 9 to drive the injection molding box 10 to move downward, so that the extrusion head 12 is engaged with the fitting hole 401, and then start the No. 2 cylinder 1103 to drive the extrusion plate 1101 to extrude the raw material, so that the raw material is squeezed into the inner side of the outer mold through the extrusion head 12 for molding. During the extrusion of the raw material, the cleaning rod 1102 is inserted into the inner side of the discharge cavity 1202, which is conducive to cleaning during the extrusion process, thereby avoiding blockage of the discharge cavity 1202 and affecting production, thereby improving the overall use effect and production efficiency.

[0026] Example 2

[0027] See also Figure 3 This embodiment further explains Example 1. In the figure, a fitting hole 401 is respectively provided on the top side of the No. 1 outer mold 4 and the No. 2 outer mold 5, and four groups of protrusions 402 and grooves 501 are respectively provided on the opposite sides of the No. 1 outer mold 4 and the No. 2 outer mold 5. The size and shape of the protrusion 402 match the groove 501.

[0028] In this embodiment: the threaded sleeve drives the No. 1 outer mold 4 and the No. 2 outer mold 5 to move relative to each other and engage with each other, which is beneficial to improve the stability between the No. 1 outer mold 4 and the No. 2 outer mold 5 during the engagement process through the cooperation between the protrusion 402 and the groove 501.

[0029] See also Figure 3 In the figure, a mounting groove 601 is provided on the left side of the inner mold 6, a connecting block 602 is fixedly installed on the right side of the inner mold 6, and a threaded hole is provided on the right side of the connecting block 602. The inner mold 6 is a columnar structure.

[0030] In this embodiment, the mounting head 702 is mounted through the mounting groove 601 , so that when the push rod 701 is pulled conveniently during demoulding, the mounting head 702 slides on the inner side of the mounting groove 601 .

[0031] See also Figure 3 and Figure 5In the figure, the demoulding mechanism 7 includes a push rod 701, a mounting head 702 and a handle 703. The mounting head 702 is installed on the left side of the push rod 701 by screws, and the size and shape of the mounting head 702 match the mounting groove 601. The handle 703 is fixedly installed on the right end of the push rod 701, and a spring is fixedly installed between the handle 703 and the second outer mold 5.

[0032] In this embodiment, the bottle blank is demoulded from the inner mold 6 by pulling the handle 703 and then releasing it. The use is convenient and quick, the demoulding effect is good, and the overall production efficiency is improved.

[0033] See also Figure 2 and Figure 4 As shown in the figure, the extrusion mechanism 11 includes an extrusion plate 1101, a cleaning rod 1102 and a No. 2 cylinder 1103. The extrusion plate 1101 is arranged on the inner side of the injection molding box 10, the No. 2 cylinder 1103 is arranged between the top side of the extrusion plate 1101 and the injection molding box 10, and two cleaning rods 1102 are fixedly installed on the bottom side of the extrusion plate 1101.

[0034] In this embodiment: by starting the No. 1 cylinder 9, the injection molding box 10 is driven to move downward, so that the extrusion head 12 is engaged with the fitting hole 401, and then the No. 2 cylinder 1103 is started to drive the extrusion plate 1101 to extrude the raw material, so that the raw material is squeezed into the inner side of the outer mold through the extrusion head 12 for molding.

[0035] See also Figure 2 In the figure, a discharge cavity 1202 is provided inside the extrusion head 12, and the size and shape of the discharge cavity 1202 match the cleaning rod 1102. A fitting sleeve 1201 is provided on the outside of the extrusion head 12, and the size and shape of the fitting sleeve 1201 match the fitting hole 401.

[0036] In this embodiment: during the extrusion of raw materials, the cleaning rod 1102 is inserted into the inner side of the discharge chamber 1202, which is beneficial for cleaning during the extrusion process, thereby avoiding blockage of the discharge chamber 1202 and affecting production, thereby improving the overall use effect and production efficiency.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An extrusion molding structure for a beverage bottle preform, comprising a base (1), characterized in that: A support seat (2) is fixedly mounted on the top side of the base (1), a driving assembly (3) is arranged on the top side of the support seat (2), a No. 1 outer mold (4) and a No. 2 outer mold (5) are arranged on the top side of the driving assembly (3), an inner mold (6) is installed on the inner side of the No. 2 outer mold (5) by bolts, a demoulding mechanism (7) is arranged on the right side of the No. 2 outer mold (5), a support frame (8) is fixedly mounted on the top side of the base (1), a No. 1 cylinder (9) is arranged on the top side of the support frame (8), an injection molding box (10) is fixedly mounted on the driving end of the No. 1 cylinder (9), an extrusion mechanism (11) is arranged on the inner side of the injection molding box (10), and an extrusion head (12) is fixedly mounted on the bottom side of the injection molding box (10).

2. The beverage bottle preform extrusion molding structure according to claim 1, characterized in that: The driving assembly (3) comprises a threaded rod (301), a limiting rod (302) and a motor (303); two threaded sleeves and a limiting sleeve are respectively arranged on the outer sides of the threaded rod (301) and the limiting rod (302); the threaded sleeves and the limiting sleeve are respectively fixedly mounted on the bottom sides of the No. 1 outer mold (4) and the No. 2 outer mold (5); and the motor (303) is fixedly mounted on the right end of the threaded rod (301).

3. The beverage bottle preform extrusion molding structure according to claim 1, characterized in that: A fitting hole (401) is respectively provided on the top side of the first outer mold (4) and the second outer mold (5), and four groups of protrusions (402) and grooves (501) are respectively provided on the opposite sides of the first outer mold (4) and the second outer mold (5), and the size and shape of the protrusions (402) match the grooves (501).

4. The beverage bottle preform extrusion molding structure according to claim 1, characterized in that: The left side of the inner mold (6) is provided with a mounting groove (601), the right side of the inner mold (6) is fixedly provided with a connecting block (602), and the right side of the connecting block (602) is provided with a threaded hole. The inner mold (6) is a columnar structure.

5. The beverage bottle preform extrusion molding structure according to claim 4, characterized in that: The demoulding mechanism (7) comprises a push rod (701), a mounting head (702) and a handle (703); the mounting head (702) is mounted on the left side of the push rod (701) by means of screws, and the size and shape of the mounting head (702) match the mounting groove (601); the handle (703) is fixedly mounted on the right end of the push rod (701), and a spring is fixedly mounted between the handle (703) and the second outer mold (5).

6. The beverage bottle preform extrusion molding structure according to claim 1, characterized in that: The extrusion mechanism (11) comprises an extrusion plate (1101), a cleaning rod (1102) and a second cylinder (1103); the extrusion plate (1101) is arranged on the inner side of the injection molding box (10); the second cylinder (1103) is arranged between the top side of the extrusion plate (1101) and the injection molding box (10); and two cleaning rods (1102) are fixedly installed on the bottom side of the extrusion plate (1101).

7. The beverage bottle preform extrusion molding structure according to claim 6, characterized in that: The extrusion head (12) is provided with a discharge cavity (1202) inside, and the size and shape of the discharge cavity (1202) match the cleaning rod (1102); the outer side of the extrusion head (12) is provided with a fitting sleeve (1201), and the size and shape of the fitting sleeve (1201) match the fitting hole (401).

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