Self-heating plastic suction mold

Abstract

The utility model discloses a self-heating plastic uptake mold, and relates to the technical field of plastic uptake molds, the self-heating plastic uptake mold comprises a mold body, side plates are fixedly connected to the outer surfaces of the two sides of the mold body, a motor is fixedly mounted on one side of the mold body, and four guide rods are fixedly connected to the upper surfaces of the side plates; the outer surface of the guide rod is slidably sleeved with a lifting plate, the lower surface of the lifting plate is fixedly connected with a heating plate, the lead screw penetrates through the lifting plate and is in threaded connection with one side of the lifting plate in a sleeving mode, the output end of the motor is fixedly connected with the bottom end of the lead screw, and a temperature control module is fixedly installed on the upper surface of the top plate; according to the sheet heating device, the lead screw and the heating plate are arranged, automatic lifting of the heating plate is achieved with the help of the temperature control module, and therefore the automatic and adjustable heating effect on sheets is achieved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of blister molds, in particular to a self-heating blister mold. BACKGROUND

[0002] The blister mold is a tool for plastic processing, which is mainly used for heating and softening flat plastic hard sheet material, and then vacuum adsorbing the hard sheet material on the surface of the mold, and forming after cooling. The mold is widely used in the plastic packaging, lighting, advertising, decoration and other industries. The cost of the blister mold is the lowest in the plaster mold, followed by the electroplated copper mold, and the most expensive is the aluminum mold. The mold has small holes for vacuum adsorption of the heated hard plastic sheet to form the blister product.

[0003] According to the related technology in the above, the inventor believes that some blister molds need to rely on external heating equipment when heating. The heating equipment needs to be moved to a specified position or the mold needs to be placed in the heating equipment. The process is time-consuming and inefficient. Moreover, the heating height and depth cannot be adjusted according to the demand, resulting in uneven heating of the sheet material, slow adsorption and low blister efficiency. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a self-heating blister mold to solve the problem of not being able to heat the sheet material.

[0005] The self-heating blister mold provided by the present application adopts the following technical solution:

[0006] A self-heating blister mold, comprising a mold body and a fixing device, both sides of the outer surface of the mold body are fixedly connected with side plates, one side of the mold body is fixedly installed with a motor, the upper surface of the side plate is fixedly connected with four guide rods, the outer surface of the guide rod is slidably sleeved with a lifting plate, the lower surface of the lifting plate is fixedly connected with a heating plate, the top end of the guide rod is fixedly connected with a top plate, the upper surface of one of the side plates and the lower surface of the lifting plate are jointly rotatably connected with a lead screw, the lead screw penetrates through the lifting plate and is threadedly sleeved with one side of the lifting plate, the output end of the motor is fixedly connected with the bottom end of the lead screw, the upper surface of the top plate is fixedly installed with a temperature control module, and the lower surface of the top plate is fixedly connected with four limiting pins.

[0007] By adopting the above technical solution, the lifting plate can stably move up and down under the stability of the four guide rods through the rotating lead screw, helping the heating plate to control the lifting height, and the temperature of the heating plate is adjusted through the temperature control module, helping the sheet material to better adhere to the outer surface of the cavity.

[0008] Optionally, the fixing device comprises a lower pressing plate and a spring shaft, the bottom end of the lower pressing plate is fixedly connected with the upper surface of the mold body, a plurality of upper pressing plates are fixedly inserted on the outer surface of the spring shaft, the bottom end of the upper pressing plate is fixedly connected with the upper surface of the lower pressing plate, a plurality of threaded grooves are formed on the outer surface of the spring shaft, and a threaded knob is inserted in the threaded groove in a threaded manner, and the bottom end of the threaded knob is rotatably connected with the upper surface of the lower pressing plate.

[0009] By adopting the above technical scheme, the spring shaft and the lower pressing plate are tightly pressed and fitted, the periphery of the sheet is tightly fixed, the plurality of upper pressing plates provide elastic force for the tight pressing of the spring shaft, and self-adaptive adjustment of the sheet with different thicknesses is facilitated.

[0010] Optionally, the upper surface of the mold body is provided with a cavity, and a vacuum pump is fixedly installed in the mold body.

[0011] By adopting the above technical scheme, the air in the cavity is exhausted by the vacuum pump to form a negative pressure state, and the softened sheet is adsorbed on the surface of the cavity in the negative pressure state, so as to form a predetermined shape and size.

[0012] Optionally, a plurality of ceramic heating sheets are installed on the lower surface of the heating plate, and the ceramic heating sheets are arranged in a rectangular array.

[0013] By adopting the above technical scheme, the ceramic heating sheets arranged in a rectangular array are arranged to facilitate the uniform transmission of heat energy generated by the heating plate on the sheet, so that the sheet is uniformly heated and softened, and the vacuum forming efficiency is improved.

[0014] Optionally, the guide rod and the limiting pin are arranged in a rectangular array.

[0015] By adopting the above technical scheme, the purpose is to help the lifting plate and the heating plate move up and down more stably, and the four limiting pins play a limiting role on the lifting plate to prevent the lifting plate from exceeding the rising height.

[0016] Optionally, the fixing device is in the shape of a "mouth", and the lower pressing plate and the spring shaft are both in the shape of "L".

[0017] By adopting the above technical scheme, the fixing device in the shape of "mouth" is used to tightly fix the periphery of the sheet, and the lower pressing plate and the spring shaft in the shape of "L" cooperate with each other to form a clamping groove for clamping the sheet at one end.

[0018] Optionally, the upper pressing plate and the threaded knob are arranged at equal intervals.

[0019] By adopting the technical scheme, the upper pressing plates and the threaded knobs in equidistant distribution are used to more evenly disperse the pressing force on the sheet material, and help the spring shaft always adhere to the surface of the sheet material during the pressing process.

[0020] Optionally, a control panel is fixedly installed on one side outer surface of the mold body.

[0021] By adopting the technical scheme, the control panel is used to help the operator control the lifting height and temperature of the lifting plate and the heating plate controlled by the motor and the temperature control module respectively.

[0022] To sum up, the present application has at least one of the following beneficial technical effects:

[0023] 1. The heating plate and the fixing device can automatically lift, the ceramic heating sheet at the bottom of the heating plate can uniformly heat the sheet material, the heating height can be effectively adjusted under the cooperation of the rotation of the lead screw and the cylinder, and the sheet material is better adhered to the outer surface of the cavity. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic view of the present application.

[0025] Figure 2 is a structural schematic view of the present application.

[0026] Figure 3 is a structural schematic view of the fixing device of the present application.

[0027] In the figure, 1, mold body; 2, fixing device; 10, cavity; 11, side plate; 12, motor; 13, lead screw; 14, guide rod; 15, lifting plate; 16, top plate; 17, temperature control module; 18, limit pin; 19, heating plate; 20, control panel; 21, lower pressing plate; 22, upper pressing plate; 23, spring shaft; 24, threaded groove; 25, threaded knob. DETAILED DESCRIPTION

[0028] The following will be described in detail in combination with the accompanying - the accompanying Figure 1 - the accompanying Figure 3 The present application will be further described in detail.

[0029] A self-heating blister mold, referring to Figure 1, including the mold body 1, the side plate 11, the top plate 16, the inside of the mold body 1 is provided with a vacuum pump, the upper surface of the side plate 11 is fixedly provided with four guide rods 14 arranged in a rectangular array, the upper surface of the mold body 1 is provided with a cavity 10, the shape of the cavity 10 determines the size and shape of the plastic plate part, the upper surface of the cavity 10 is provided with a vacuum hole communicated with the cavity 10, the vacuum hole is connected with the vacuum pump, the air in the cavity 10 can be pumped out by starting the vacuum pump, forming a negative pressure environment, so that the plate part is better attached to the outer surface of the cavity 10, the side plate 11 is located on both sides of the mold body 1, the top plate 16 is located on the top of the mold body 1, the top ends of the four guide rods 14 are fixedly connected with the lower surface of the top plate 16, helping the mold body 1 to support the upper part of the assembly, for increasing the stability and supporting force of the mold.

[0030] Referring to Figure 1 , one side of the mold body 1 is fixedly provided with a motor 12, the upper surface of one of the side plates 11 is rotatably connected with the lower surface of the top plate 16 through a rotating shaft, and a lead screw 13 is fixedly connected with the bottom end of the motor 12, which provides power for the lead screw 13, the outer surfaces of the four guide rods 14 are jointly sleeved with a lifting plate 15, the lead screw 13 penetrates through the lifting plate 15 and is threadedly sleeved with one side of the lifting plate 15, achieving the transmission between the lead screw 13 and the lifting plate 15, when the motor 12 is started, the lead screw 13 will rotate and drive the lifting plate 15 to move up and down, the four guide rods 14 are used to guide the lifting plate 15 to move up and down, providing movement guide for the lifting plate 15 to move up and down, preventing the lifting plate 15 from deviating during movement, and ensuring the stability of movement.

[0031] Referring to Figure 2 , the lower surface of the top plate 16 is fixedly connected with four limiting pins 18 arranged in a rectangular array, the upper surface of the top plate 16 is fixedly provided with a temperature control module 17, the lower surface of the top plate 16 is fixedly connected with four limiting pins 18 arranged in a rectangular array, the lower surface of the lifting plate 15 is fixedly connected with a heating plate 19, the bottom end of the temperature control module 17 penetrates through the top plate 16 and is elastically connected with the heating plate 19, the outer surface of the heating plate 19 is provided with a plurality of ceramic heating sheets arranged in a rectangular array, the lower surface of the heating plate 19 corresponds to the cavity 10, and the heating plate 19 is used for heating the plate part, a control panel 20 is fixedly installed on one side of the mold body 1 by bolts, and is used for controlling and adjusting the temperature of the heating system, the operator can start the temperature control module 17 through the control panel 20 to adjust the relative position between the heating plate 19 and the cavity 10 and the heating temperature, so that the plate part material is tightly attached to the surface of the cavity 10.

[0032] Referring to Figure 3, the fixing device 2 comprises a lower pressing plate 21 and a spring shaft 23, both of which are "L" shaped, the bottom end of the lower pressing plate 21 is fixed to the upper surface of the mold body 1 through bolts, a plurality of threaded grooves 24 are formed on the outer surface of the spring shaft 23, the threaded grooves 24 are inserted with a plurality of threaded knobs 25, the bottom end of the threaded knob 25 is rotatably connected to the upper surface of the lower pressing plate 21, a plurality of upper pressing plates 22 are fixedly connected to the upper surface of the lower pressing plate 21 and the lower surface of the spring shaft 23, the plurality of upper pressing plates 22 provide elastic pressure, so that the spring shaft 23 can be self-adaptively adjusted according to the thickness of the plate, the lower pressing plate 21 cooperates with the spring shaft 23 to ensure that the plate can be tightly fitted between the clamping grooves at one end through the cooperation of the upper pressing plate 22, and the operator can drive the spring shaft 23 to be pressed tightly by rotating the threaded knob 25, thereby helping to clamp and fix the plate around.

[0033] The implementation principle of the embodiment of the present application is that when the plate needs to be fixed, the operator rotates the threaded knob 25 in the fixing device 2, so that the threads on the outer surface of the threaded knob 25 drive the threaded grooves 24 in the spring shaft 23 to move up and down along the threads, the moving spring shaft 23 helps the spring shaft 23 to move up and down more stably through the four upper pressing plates 22, the plate is placed in the pressing groove end of the lower pressing plate 21 and the spring shaft 23, and as the threaded knob 25 rotates to drive the spring shaft 23 to move downward, the plate is tightly fixed by the pressing groove formed by the lower pressing plate 21 and the spring shaft 23 at one end, thereby realizing the fixing operation of the vacuum forming plate.

[0034] When vacuum forming is needed, the operator starts the motor 12 through the control panel 20, the output end of the motor 12 drives the lead screw 13 to rotate, the rotating lead screw 13 drives the lifting plate 15 sleeved with it to move through the threads on the outer surface, the moving lifting plate 15 stably and horizontally moves up and down under the support sliding of the four guide rods 14, as the lifting plate 15 moves downward, the moving lifting plate 15 drives the heating plate 19 to move downward to a certain height, and the heating plate 19 starts to heat, the bottom end of the heating plate 19 uniformly heats and softens the fixed plate through a plurality of ceramic heating sheets, and at the same time, the plate is extracted by the vacuum pump started by the control panel 20, so that a vacuum state is formed in the cavity 10, thereby forcing the plate to press downward and gradually fit the outer surface of the cavity 10, and the operator can control the relative position between the heating plate 19 and the cavity 10 and the heating temperature by controlling the motor 12 and the temperature control module 17 through the control panel 20, so as to ensure that the plate material is tightly fitted on the surface of the cavity 10.

[0035] The embodiments of the present application are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, wherein the same parts are denoted by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A self-heating blister mold comprising a mold body (1) and a securing device (2), characterized in that: Both sides of the mold body (1) are fixedly connected with side plates (11), one side of the mold body (1) is fixedly installed with a motor (12), the upper surface of the side plate (11) is fixedly connected with four guide rods (14), the outer surface of the guide rod (14) is slidably sleeved with a lifting plate (15), the lower surface of the lifting plate (15) is fixedly connected with a heating plate (19), the top end of the guide rod (14) is fixedly connected with a top plate (16), the upper surface of one of the side plates (11) and the lower surface of the lifting plate (15) are rotatably connected with a lead screw (13), the lead screw (13) penetrates through the lifting plate (15) and is threadedly sleeved with one side of the lifting plate (15), the output end of the motor (12) is fixedly connected with the bottom end of the lead screw (13), the upper surface of the top plate (16) is fixedly installed with a temperature control module (17), the lower surface of the top plate (16) is fixedly connected with four limit pins (18).

2. A self-heating blister pack mold according to claim 1, wherein: The fixing device (2) comprises a lower pressing plate (21) and a spring shaft (23), the bottom end of the lower pressing plate (21) is fixedly connected with the upper surface of the mold body (1), a plurality of upper pressing plates (22) are fixedly inserted on the outer surface of the spring shaft (23), the bottom end of the upper pressing plate (22) is fixedly connected with the upper surface of the lower pressing plate (21), a plurality of threaded grooves (24) are formed on the outer surface of the spring shaft (23), a threaded knob (25) is threadedly inserted in the threaded groove (24), and the bottom end of the threaded knob (25) is rotatably connected with the upper surface of the lower pressing plate (21).

3. The self-heating blister pack mold of claim 1, wherein: The upper surface of the mold body (1) is provided with a cavity (10), and the inside of the mold body (1) is fixedly installed with a vacuum pump.

4. The self-heating blister pack mold of claim 1, wherein: The lower surface of the heating plate (19) is provided with a plurality of ceramic heating sheets, and the ceramic heating sheets are arranged in a rectangular array.

5. The self-heating blister pack of claim 1, wherein: The guide rod (14) and the limit pin (18) are arranged in a rectangular array.

6. A self-heating blister pack mold according to claim 2, wherein: The fixing device (2) is in the shape of a "mouth", and the lower pressing plate (21) and the spring shaft (23) are both in the shape of "L".

7. A self-heating blister pack mold according to claim 2, wherein: The upper pressing plate (22) and the threaded knob (25) are both arranged at equal intervals.

8. The self-heating blister pack of claim 1, wherein: The side surface of the mold body (1) is fixedly installed with a control panel (20).

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