Plastic uptake heating forming device

Abstract

The utility model discloses a plastic uptake thermoforming device, which relates to the field of plastic uptake forming and comprises a working table, a mold is connected to the top of the working table, an air pump is connected to the bottom of the working table and communicated with the mold through an air suction pipe, an exhaust pipe is connected to the left side of the air pump, and an L-shaped support is connected to the top of the working table. The double-shaft motor is used for driving the threaded rod to rotate, the threaded rod drives the threaded barrel to move, the threaded barrel pulls the movable plate, the movable plate pulls the I-shaped piece, the I-shaped piece slides in the strip-shaped opening, the movable plate pulls the first heating plate and the second heating plate, and the first heating plate and the second heating plate on the two sides are spliced; the first heating plate is arranged on the mold, the second heating plate penetrates through the opening in the mold, the first heating plate can be located at the top of the plastic plate, the second heating plate is located at the bottom of the plastic plate, the two sides of the plastic plate can be conveniently heated at the same time, and therefore the heating efficiency of the plastic plate is improved.

Description

Technical Field

[0001] The utility model relates to the field of vacuum forming, in particular to a vacuum forming heating device. Background Art

[0002] Blistering is a plastic processing technology. The main principle is to heat and soften the flat plastic hard sheet, then use vacuum adsorption to the mold surface, and then cool it down to form. It is widely used in plastic packaging, lighting, advertising, decoration and other industries.

[0003] At present, before the plastic plate is subjected to vacuum forming, the plastic plate needs to be heated first. However, the prior art mostly adopts a method of heating the top of the plastic plate, which is a single-sided heating. The plastic plate is heated slowly, which will affect the vacuum forming efficiency of the plastic plate.

[0004] Therefore, it is necessary to invent a blister heating forming device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a thermoforming device for vacuum forming to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vacuum forming heating forming device, comprising a workbench, a mold is connected to the top of the workbench, an air pump is connected to the bottom of the workbench, the air pump is connected to the mold through an air suction pipe, an exhaust pipe is connected to the left side of the air suction pump, an L-shaped bracket is connected to the top of the workbench, a hydraulic cylinder is connected to the bottom of the L-shaped bracket, a cross plate is connected to the bottom of the hydraulic cylinder, a dual-axis motor is connected to the bottom of the cross plate, both output ends of the dual-axis motor are connected to a threaded rod, the other end of the threaded rod is threadedly connected to a threaded barrel, the other end of the threaded barrel is connected to a movable plate, the top of the movable plate is connected to a work-shaped piece, a strip-shaped opening corresponding to the work-shaped piece is opened on the surface of the cross plate, a first heating plate and a second heating plate are connected to opposite sides of the two movable plates, and openings corresponding to the second heating plate are opened on the left and right sides of the mold.

[0007] Preferably, a limiting rod is connected to the top of the workbench, and a limiting hole corresponding to the limiting rod is opened on the surface of the cross plate.

[0008] Preferably, a protective cover is provided on the outer side of the dual-axis motor, the protective cover is connected to the bottom of the transverse plate, and the left and right sides of the protective cover are connected to the outer wall of the threaded rod through bearings.

[0009] Preferably, a plurality of supporting legs are connected to the bottom of the workbench, a supporting plate is connected between the plurality of supporting legs, and a top of the supporting plate is connected to the bottom of the vacuum pump.

[0010] Preferably, the bottom of the transverse plate is connected to two fixing plates, and the bottoms of the two fixing plates are commonly connected to a rectangular pressing frame corresponding to the mold.

[0011] Technical effects and advantages of the utility model:

[0012] By using a dual-axis motor to drive the threaded rod to rotate, the threaded rod drives the threaded barrel to move, the threaded barrel pulls the moving plate, the moving plate pulls the workpiece, so that the workpiece slides in the strip mouth, the moving plate pulls the first heating plate and the second heating plate, so that the first heating plate and the second heating plate on both sides are spliced, and the second heating plate passes through the opening on the mold, so that the first heating plate can be located on the top of the plastic plate, and the second heating plate can be located at the bottom of the plastic plate, so that both sides of the plastic plate can be heated at the same time, thereby improving the heating efficiency of the plastic plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 For this utility model Figure 1 A schematic cross-sectional structure diagram of;

[0015] Figure 3 For this utility model Figure 2 Schematic diagram of part of the structure.

[0016] In the figure: 1. workbench; 2. mold; 3. vacuum pump; 4. exhaust pipe; 5. L-shaped bracket; 6. hydraulic cylinder; 7. cross plate; 8. dual-axis motor; 9. threaded rod; 10. threaded barrel; 11. movable plate; 12. workpiece; 13. first heating plate; 14. second heating plate; 15. limit rod; 16. protective cover; 17. support leg; 18. support plate; 19. fixed plate; 20. rectangular clamping frame. DETAILED DESCRIPTION

[0017] 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 in 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.

[0018] The utility model provides Figure 1-3The thermoforming device shown in the figure comprises a workbench 1, a mold 2 is connected to the top of the workbench 1, an air pump 3 is connected to the bottom of the workbench 1, the air pump 3 is connected to the mold 2 through an air suction pipe, an exhaust pipe 4 is connected to the left side of the air pump 3, an L-shaped bracket 5 is connected to the top of the workbench 1, a hydraulic cylinder 6 is connected to the bottom of the L-shaped bracket 5, a cross plate 7 is connected to the bottom of the hydraulic cylinder 6, a double-axis motor 8 is connected to the bottom of the cross plate 7, both output ends of the double-axis motor 8 are connected to a threaded rod 9, the other end of the threaded rod 9 is threadedly connected to a threaded barrel 10, the other end of the threaded barrel 10 is connected to a moving plate 11, the top of the moving plate 11 is connected to a work-shaped piece 12, a strip opening corresponding to the work-shaped piece 12 is provided on the surface of the cross plate 7, a first heating plate 13 and a second heating plate 14 are connected to the opposite sides of the two moving plates 11, and a heating plate 13 and a second heating plate 14 are provided on the left and right sides of the mold 2, which are opposite to the second heating plate 14. The corresponding opening is formed by using the hydraulic cylinder 6 to push the cross plate 7, the cross plate 7 pushes the two moving plates 11, the moving plate 11 pulls the first heating plate 13 and the second heating plate 14 downward, and the first heating plate 13 and the second heating plate 14 are moved to the specified position, and the dual-axis motor 8 is used to drive the threaded rod 9 to rotate, the threaded rod 9 drives the threaded cylinder 10 to move, the threaded cylinder 10 pulls the moving plate 11, and the moving plate 11 pulls the I-shaped piece 12, so that the I-shaped piece 12 slides in the strip-shaped mouth, and the moving plate 11 pulls the first heating plate 13 and the second heating plate 14, so that the first heating plates 13 and the second heating plates 14 on both sides are spliced, and the second heating plate 14 passes through the opening on the mold 2, so that the first heating plate 13 is located at the top of the plastic plate, and the second heating plate 14 is located at the bottom of the plastic plate, which can conveniently heat both sides of the plastic plate at the same time, thereby improving the heating efficiency of the plastic plate.

[0019] The top of the workbench 1 is connected with a limiting rod 15 , and the surface of the cross plate 7 is provided with limiting holes corresponding to the limiting rod 15 , so as to facilitate the limiting of the cross plate 7 .

[0020] A protective cover 16 is provided on the outside of the dual-axis motor 8, and the protective cover 16 is connected to the bottom of the cross plate 7. The left and right sides of the protective cover 16 are connected to the outer wall of the threaded rod 9 through bearings, which can conveniently protect the dual-axis motor 8.

[0021] A plurality of supporting legs 17 are connected to the bottom of the workbench 1 , a supporting plate 18 is connected between the plurality of supporting legs 17 , and the top of the supporting plate 18 is connected to the bottom of the vacuum pump 3 , which can conveniently improve the stability of the vacuum pump 3 .

[0022] Two fixed plates 19 are connected to the bottom of the transverse plate 7, and the bottoms of the two fixed plates 19 are commonly connected to a rectangular clamping frame 20 corresponding to the mold 2. When the hydraulic cylinder 6 pushes the transverse plate 7 downward, the transverse plate 7 pushes the fixed plates 19, and the fixed plates 19 push the rectangular clamping frame 20, and the plastic plate is compressed by the rectangular clamping frame 20.

[0023] Working principle of this utility model:

[0024] The plastic plate is placed on the mold 2, and the hydraulic cylinder 6 is used to push the horizontal plate 7. When the hydraulic cylinder 6 pushes the horizontal plate 7 downward, the horizontal plate 7 pushes the fixed plate 19, and the fixed plate 19 pushes the rectangular pressing frame 20. The plastic plate is pressed by the rectangular pressing frame 20, and the horizontal plate 7 pushes the two movable plates 11. The movable plate 11 pulls the first heating plate 13 and the second heating plate 14 downward to move the first heating plate 13 and the second heating plate 14 to the specified position. The dual-axis motor 8 is used to drive the threaded rod 9 to rotate, and the threaded rod 9 drives the threaded rod 9 to rotate. The cylinder 10 moves, the threaded cylinder 10 pulls the moving plate 11, the moving plate 11 pulls the I-shaped piece 12, so that the I-shaped piece 12 slides in the strip-shaped opening, and the moving plate 11 pulls the first heating plate 13 and the second heating plate 14, so that the first heating plates 13 and the second heating plates 14 on both sides are spliced, and the second heating plate 14 passes through the opening on the mold 2, so that the first heating plate 13 is located at the top of the plastic plate, and the second heating plate 14 is located at the bottom of the plastic plate, so that both sides of the plastic plate can be heated at the same time.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thermoforming device, comprising a workbench, the top of which is connected to a mold, the bottom of which is connected to an air pump, the air pump is connected to the mold through an air suction pipe, the left side of the air pump is connected to an exhaust pipe, and the characteristics are: The top of the workbench is connected to an L-shaped bracket, the bottom of the L-shaped bracket is connected to a hydraulic cylinder, the bottom of the hydraulic cylinder is connected to a cross plate, the bottom of the cross plate is connected to a dual-axis motor, the two output ends of the dual-axis motor are connected to threaded rods, the other end of the threaded rod is threadedly connected to a threaded barrel, the other end of the threaded barrel is connected to a movable plate, the top of the movable plate is connected to a work-shaped piece, the surface of the cross plate is provided with a strip opening corresponding to the work-shaped piece, the opposite sides of the two movable plates are connected to a first heating plate and a second heating plate, and the left and right sides of the mold are provided with openings corresponding to the second heating plate.

2. A thermoforming device according to claim 1, characterized in that: The top of the workbench is connected with a limiting rod, and the surface of the transverse plate is provided with a limiting hole corresponding to the limiting rod.

3. The thermoforming device according to claim 1, characterized in that: A protective cover is arranged on the outer side of the dual-axis motor, and the protective cover is connected to the bottom of the horizontal plate. The left and right sides of the protective cover are connected to the outer wall of the threaded rod through bearings.

4. The thermoforming device according to claim 1, characterized in that: The bottom of the workbench is connected to a plurality of supporting legs, a supporting plate is connected between the plurality of supporting legs, and the top of the supporting plate is connected to the bottom of the vacuum pump.

5. The thermoforming device according to claim 1, characterized in that: The bottom of the transverse plate is connected to two fixing plates, and the bottoms of the two fixing plates are commonly connected to a rectangular pressing frame corresponding to the mold.

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