Blow molding machine for corrugated inner pipe

Abstract

The utility model discloses a corrugated inner pipe blow molding machine, which relates to the technical field of corrugated inner pipe production, and comprises a bottom plate, a support rod is fixedly connected to the upper part of the bottom plate, a top plate is fixedly connected to the upper part of the support rod, an air cylinder is fixedly mounted on the top plate, and the output end of the air cylinder penetrates through the top plate and is fixedly connected with a lifting plate; the lower portion of the lifting plate is fixedly connected with an upper die, the supporting rod penetrates through the lifting plate and is connected with the lifting plate in a sliding mode, and the bottom plate is fixedly connected with a lower die. By arranging the electric push rod, the upper mold and the lower mold, the upper mold and the lower mold can be separated, the separation space is increased, and a product is easy to take; and cooling water can be injected into the upper mold and the lower mold through the upper water injection pipe and the lower water injection pipe, product forming is facilitated, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated inner tube production, in particular to a corrugated inner tube blow molding machine. Background Art

[0002] Blow molding, also known as hollow blow molding, is a rapidly developing plastic processing method. In this method, a thermoplastic parison is softened and then inflated to fit against the cooled surface of a closed mold. The inflated parison then solidifies to form a hollow plastic product.

[0003] In the existing technology, during blow molding, the parison in the hollow mold is inflated by an inflation device. Although the blow molding function can be completed, it is laborious to remove the product from the hollow mold, and it is inconvenient to remove the product from the mold, which is not convenient to use. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a corrugated inner tube blow molding machine. By setting an electric push rod, an upper mold and a lower mold, the upper mold can be separated from the lower mold, the separation space is increased, and it is easier to take the product; the upper water injection pipe and the lower water injection pipe are set, and cooling water can be injected into the upper mold and the lower mold, which facilitates product molding and improves production efficiency.

[0005] One of the objectives of the utility model is achieved by the following technical solution: a corrugated inner tube blow molding machine, comprising a base plate, the upper part of the base plate is fixedly connected to a support rod, the upper part of the support rod is fixedly connected to a top plate, a cylinder is fixedly installed on the top plate, the output end of the cylinder passes through the top plate and is fixedly connected to a lifting plate, the lower part of the lifting plate is fixedly connected to an upper mold, the support rod passes through the lifting plate and is slidably connected to each other, the bottom plate is fixedly connected to a lower mold, the left end of the lower mold is fixedly connected to an end plate, the left side of the upper mold is fixedly connected to an upper water injection pipe, the left side of the lower mold is fixedly connected to a lower water injection pipe, an electric push rod is fixedly installed on the lower part of the base plate, the output end of the electric push rod is fixedly connected to a connecting frame, the connecting frame is fixedly connected to a moving plate, the moving plate is fixedly connected to a blow molding cylinder, and the blow molding cylinder is fixedly connected to a blow molding tube. The electric push rod, upper mold and lower mold can be separated from each other to increase the separation space and make it easier to take the product. The upper water injection pipe and lower water injection pipe can inject cooling water into the upper mold and the lower mold to facilitate product molding and improve production efficiency.

[0006] According to the corrugated inner tube blow molding machine, the number of the support rods is four and they are axisymmetrically arranged.

[0007] According to the corrugated inner tube blow molding machine, mold cavities are provided on opposite sides of the upper mold and the lower mold.

[0008] According to the corrugated inner tube blow molding machine, the circumferential side wall of the blow molding cylinder is evenly provided with blow molding ports.

[0009] According to the corrugated inner tube blow molding machine, cooling cavities are provided inside the upper mold and the lower mold, and the upper water injection pipe and the lower water injection pipe are respectively connected to the cooling cavities.

[0010] According to the corrugated inner tube blow molding machine, the blow molding cylinder is smaller than the mold cavity.

[0011] According to the corrugated inner tube blow molding machine, the blow molding tube is connected to an external inflation device.

[0012] According to the corrugated inner tube blow molding machine, the lower mold is located on the inner side of the support rod.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model can separate the upper mold from the lower mold by setting the electric push rod, the upper mold and the lower mold, thereby increasing the separation space and making it easier to take the product; the upper water injection pipe and the lower water injection pipe can inject cooling water into the upper mold and the lower mold, thereby facilitating product molding and improving production efficiency.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural schematic diagram of a corrugated inner tube blow molding machine of the utility model;

[0018] Figure 2 It is a structural schematic diagram of a corrugated inner tube blow molding machine of the utility model from another perspective;

[0019] Figure 3 It is a schematic diagram of the structure of a corrugated inner tube blow molding machine from a bottom angle of the present invention;

[0020] Figure 4 It is a side view of a corrugated inner tube blow molding machine of the utility model.

[0021] Legend:

[0022] 1. Bottom plate; 2. Support rod; 3. Upper mold; 4. Upper water injection pipe; 5. Lifting plate; 6. Top plate; 7. Cylinder; 8. Blow molding cylinder; 9. End plate; 10. Lower water injection pipe; 11. Lower mold; 12. Moving plate; 13. Electric push rod; 14. Connecting frame; 15. Blow molding tube; 301. Mold cavity. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4The utility model embodiment is a corrugated inner tube blow molding machine, which includes a bottom plate 1, a support rod 2 is fixedly connected to the upper part of the bottom plate 1, the number of the support rods 2 is four, and they are axially symmetrically arranged, the upper part of the support rod 2 is fixedly connected to the top plate 6, the top plate 6 is fixedly mounted with a cylinder 7, the output end of the cylinder 7 passes through the top plate 6 and is fixedly connected to a lifting plate 5, the lower part of the lifting plate 5 is fixedly connected to an upper mold 3, the upper mold 3 and the lower mold 11 are both provided with a mold cavity 301 on the opposite side, the support rod 2 passes through the lifting plate 5, and is mutually The bottom plate 1 is connected with a lower mold 11 fixedly, and the lower mold 11 is located on the inner side of the support rod 2. The left end of the lower mold 11 is fixedly connected with an end plate 9, the left side of the upper mold 3 is fixedly connected with an upper water injection pipe 4, and the left side of the lower mold 11 is fixedly connected with a lower water injection pipe 10. An electric push rod 13 is fixedly installed at the lower part of the bottom plate 1, and the output end of the electric push rod 13 is fixedly connected with a connecting frame 14. Cooling cavities are provided inside the upper mold 3 and the lower mold 11, and the upper water injection pipe 4 and the lower water injection pipe 10 are respectively connected to the cooling cavity Correspondingly connected, the connecting frame 14 is fixedly connected with a movable plate 12, and the movable plate 12 is fixedly connected with a blow molding cylinder 8, the blow molding cylinder 8 is smaller than the mold cavity 301, and the circumferential side wall of the blow molding cylinder 8 is evenly provided with a blow molding port, and the blow molding cylinder 8 is fixedly connected with a blow molding tube 15, and the blow molding tube 15 is connected to an external inflation device. When in use, the external molded body is placed on the blow molding cylinder 8, and the electric push rod 13 is powered on to work, driving the connecting frame 14 to move, and the connecting frame 14 drives the blow molding cylinder 8 to move, so that the molded body is placed on the lower mold 11. In the mold cavity 301, the cylinder 7 then drives the lifting plate 5 to move downward under the action of the external air source, and the lifting plate 5 drives the upper mold 3 to move downward, and the upper mold 3 and the lower mold 11 contact each other, and then the external water pump injects water into the upper mold 3 and the lower mold 11 through the upper water injection pipe 4 and the lower water injection pipe 10, and then the external inflation device blows air into the blow molding cylinder 8 through the blow molding pipe 15, and then blows out from the blow molding port on the outer wall of the blow molding cylinder 8, and the mold is blow-molded. The mold contacts the mold cavity 301 and the molding of the corrugated inner tube is completed. The electric push rod 13, the upper mold 3, and the lower mold 11 can be separated from the upper mold 3 and the lower mold 11, the separation space is increased, and it is easier to take the product; the upper water injection pipe 4 and the lower water injection pipe 10 can be used to inject cooling water into the upper mold 3 and the lower mold 11, which is convenient for product molding and improves production efficiency.

[0025] Working principle: When in use, the external preform is placed on the blow molding cylinder 8, the electric push rod 13 is energized to work, driving the connecting frame 14 to move, and the connecting frame 14 drives the blow molding cylinder 8 to move, so that the preform is placed in the mold cavity 301 of the lower mold 11, and then the cylinder 7 drives the lifting plate 5 to move downward under the action of the external air source, and the lifting plate 5 drives the upper mold 3 to move downward, and the upper mold 3 and the lower mold 11 contact each other, and then the external water pump injects water into the upper mold 3 and the lower mold 11 through the upper water injection pipe 4 and the lower water injection pipe 10, and then the external inflation equipment blows air into the blow molding cylinder 8 through the blow molding pipe 15, and then blows it out from the blow molding port on the outer wall of the blow molding cylinder 8, the preform is blow-molded, the preform contacts the mold cavity 301, and the molding of the corrugated inner tube is completed.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A corrugated inner tube blow molding machine, comprising a bottom plate (1), characterized in that: The upper part of the bottom plate (1) is fixedly connected to a support rod (2), the upper part of the support rod (2) is fixedly connected to a top plate (6), a cylinder (7) is fixedly mounted on the top plate (6), the output end of the cylinder (7) passes through the top plate (6) and is fixedly connected to a lifting plate (5), the lower part of the lifting plate (5) is fixedly connected to an upper mold (3), the support rod (2) passes through the lifting plate (5), and they are slidably connected to each other, the bottom plate (1) is fixedly connected to a lower mold (11), and the left end of the lower mold (11) is fixedly An end plate (9) is connected, the left side of the upper mold (3) is fixedly connected to an upper water injection pipe (4), the left side of the lower mold (11) is fixedly connected to a lower water injection pipe (10), an electric push rod (13) is fixedly installed at the lower part of the base plate (1), the output end of the electric push rod (13) is fixedly connected to a connecting frame (14), the connecting frame (14) is fixedly connected to a movable plate (12), the movable plate (12) is fixedly connected to a blow molding cylinder (8), and the blow molding cylinder (8) is fixedly connected to a blow molding tube (15).

2. A corrugated inner tube blow molding machine according to claim 1, characterized in that: The number of the support rods (2) is four and they are arranged axially symmetrically.

3. A corrugated inner tube blow molding machine according to claim 1, characterized in that: A mold cavity (301) is provided on one side opposite to the upper mold (3) and the lower mold (11).

4. A corrugated inner tube blow molding machine according to claim 1, characterized in that: The circumferential side wall of the blow molding cylinder (8) is evenly provided with blow molding ports.

5. The corrugated inner tube blow molding machine according to claim 1, characterized in that: The upper mold (3) and the lower mold (11) are both provided with cooling cavities, and the upper water injection pipe (4) and the lower water injection pipe (10) are respectively connected to the cooling cavities.

6. A corrugated inner tube blow molding machine according to claim 1, characterized in that: The blow molding cylinder (8) is smaller than the mold cavity (301).

7. A corrugated inner tube blow molding machine according to claim 1, characterized in that: The blow molding tube (15) is connected to an external inflation device.

8. The corrugated inner tube blow molding machine according to claim 1, characterized in that: The lower mold (11) is located on the inner side of the support rod (2).

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