Plastic sheet heating and plastic uptake forming device

Abstract

The invention relates to a plastic sheet heating blister forming device, and relates to the technical field of blister machines, the plastic sheet heating blister forming device comprises a clamping mechanism arranged on a blister forming main body, the clamping mechanism is arranged on the upper surface of the blister forming main body, and an ejection assembly is arranged on the inner side surface of the blister forming main body; and an adjusting mechanism is arranged on the upper surface of the plastic molding main body. Compared with the prior art, when thermoplastic forming is conducted on the plastic sheet, the plastic sheet is fixed through the clamping mechanism, the drying assembly is driven through the adjusting mechanism to soften the plastic sheet, then the plastic sheet is shaped through the ejection assembly, and therefore the working efficiency is improved.

Description

Technical Field

[0001] This application relates to the technical field of plastic vacuum forming machines, and in particular to a plastic sheet heating and vacuum forming device. Background Art

[0002] A plastic vacuum forming machine, also known as a blister machine, is a machine that sucks heated and plasticized thermoplastic plastic coils such as PVC, PET, HIPS, etc. into various shapes of high-grade packaging boxes, frames and other products. Using the vacuum suction generated by a pump, the heated and softened sheets such as PVC and PET are vacuum formed into various shapes of blister shells, etc. Therefore, there is a particular need for a plastic sheet heating and vacuum forming device.

[0003] During the process of thermoforming plastic sheets using a thermoforming machine, the placement and installation of the thermoforming plate are essential parts to ensure the quality of the formed plastic sheets. In the existing technology, usually during the thermoforming process of plastic sheets, vacuum suction is required to shape the plastic sheets. Moreover, when fixing the plastic sheets, it often requires manual operation. And the fixing of the plastic sheets is carried out after the thermoforming machine has completed the shaping process. Then, the operator places and installs the unprocessed plastic sheets through a fixing component.

[0004] However, due to the structure of the fixing component itself, after the operator fixes and installs the plastic sheet, the plastic sheet is fixed by locking the fixing component in reverse. Therefore, it often leads to an increase in operating steps, which affects work efficiency. And the forming property of the thermoforming machine is often that the plastic sheet is fixed by manual pressing. Therefore, there are certain safety hazards for the operator in each fixing during the forming process. Summary of the Invention

[0005] The purpose of this application is to provide a plastic sheet heating and vacuum forming device.

[0006] In the first aspect, a plastic sheet heating and vacuum forming device provided by this application adopts the following technical solution: A plastic sheet heating and vacuum forming device includes a clamping mechanism arranged on the vacuum forming main body. The clamping mechanism is arranged on the upper surface of the vacuum forming main body. A jacking component is arranged on the inner surface of the vacuum forming main body. An adjusting mechanism is arranged on the upper surface of the vacuum forming main body.

[0007] By adopting the above technical solution, relevant operators place the unprocessed plastic sheet into the thermoforming main body, fix the plastic sheet through the clamping mechanism, then conveniently move the heating component through the adjusting mechanism to soften the plastic sheet. After the thermoplastic processing is completed, the mold is ejected through the ejecting component to shape the plastic sheet. Then, the air is pumped out from between the mold and the plastic sheet through the vacuum pump in the thermoforming main body, so that the plastic sheet closely adheres to the surface of the mold to form the required shape.

[0008] Optionally, the clamping mechanism includes placing blocks, anti-slip pads, first power sources and clamping plates. Two placing blocks are fixedly connected to the upper surface of the thermoforming main body. An anti-slip pad is placed on the upper surface of the placing block. First power sources are respectively arranged at both ends of the placing block, and the output ends of the first power sources are fixedly connected to the clamping plates.

[0009] By adopting the above technical solution, after the operator puts the plastic sheet into the thermoforming main body, the first power source is driven according to the parameters set by the operator to raise the clamping plate. After placing the plastic sheet between the clamping plate and the anti-slip pad, the first power source then drives the clamping plate to squeeze downward, thereby clamping the placed plastic sheet. At the same time, the anti-slip pad installed above the placing block prevents the clamping plate from sliding during the clamping process, avoiding the plastic sheet from falling off. Then, the mold is ejected through the ejecting component to shape the plastic sheet. The first power source is a micro cylinder.

[0010] Optionally, the two placing blocks are symmetrically installed along the width central axis of the thermoforming main body, and the two first power sources are symmetrically installed along the length central axis of the placing block.

[0011] By adopting the above technical solution, the two placing blocks are symmetrically installed along the width central axis of the thermoforming main body, and the two first power sources are symmetrically installed along the length central axis of the placing block. After the operator finishes placing the plastic sheet, the first power source is started to fix it, and the anti-slip pad prevents the plastic sheet from sliding.

[0012] Optionally, the outer surface size of the anti-slip pad matches the inner surface size of the clamping plate, and the bottom size of the anti-slip pad fits the upper surface size of the placing block.

[0013] The outer surface size of the anti-slip pad matches the inner surface size of the clamping plate, and the bottom size of the anti-slip pad fits the upper surface size of the placing block. After placing the plastic sheet, when the anti-slip pad is subjected to the extrusion of the first power source, the friction force of the plastic sheet is increased, making it not easy to slide.

[0014] Optionally, the thermoformed body includes an operating table and a control member, and the control member is disposed on the outer surface of the operating table.

[0015] By adopting the above technical solution, when processing a plastic sheet, the plastic sheet is placed above the operating table, softened by the heating component, and then shaped by the ejecting component. During the shaping process, the vacuum pump inside the operating table evacuates the air between the module and the plastic sheet according to the parameters set by the control member.

[0016] Optionally, the ejecting component includes a placement groove, a second power source, a connecting plate, a module, and an air extraction hole. A placement groove is formed on the upper surface of the operating table, and the second power source is equidistantly installed on the inner surface of the placement groove. The output end of the second power source is fixedly connected to the connecting plate, and the upper surface of the connecting plate is fixedly connected to the module. An air extraction hole is formed on the upper surface of the module.

[0017] By adopting the above technical solution, when the plastic sheet is heated and softened by the heating component, the second power source then pushes the connecting plate to drive the module to eject, shaping the softened plastic sheet. Then, the vacuum pump extracts the air between the module and the plastic sheet through the air extraction hole, enabling the plastic sheet to closely adhere to the module. When the second power source ejects, the module can be flush with the first power source, allowing the module to fit with the plastic sheet, thereby shaping the plastic sheet.

[0018] Optionally, the second power sources are symmetrically installed along the length central axis of the inner surface of the placement groove, and the outer surface size of the connecting plate matches the inner surface size of the placement groove.

[0019] The second power sources are symmetrically installed along the length central axis of the inner surface of the placement groove, and the outer surface size of the connecting plate matches the inner surface size of the placement groove. By evenly arranging the second power sources in the placement groove, the lifting operation of the connecting plate can be more stable.

[0020] Optionally, the air extraction holes are symmetrically formed along the length central axis of the module.

[0021] The air extraction holes are symmetrically formed along the length central axis of the module. After the module fits with the plastic sheet, the air between the module and the plastic sheet is extracted by the vacuum pump, preventing the shaped product from being unqualified due to the presence of air.

[0022] Second, a plastic sheet heating and thermoforming device provided by the present application adopts the following technical solution: Optionally, the adjustment mechanism includes an electric slide table, a connecting block, and a heating component. An electric slide table is provided on the upper surface of the operating table. A connecting block is slidably connected to the inner surface of the electric slide table, and a heating component is provided on the outer surface of the connecting block.

[0023] By adopting the above technical solution, after the plastic sheet is fixed and placed, the electric slide table is started, and it drives the heating component to move through the connecting block, so as to heat and soften the plastic sheet, so that it can be moved more conveniently.

[0024] Optionally, the heating component includes a mounting frame, mounting grooves, heating rods, and a heat conduction plate. The mounting frame is fixedly connected to the outer surface of the connecting block. Mounting grooves are equidistantly formed on the inner surface of the mounting frame. A plurality of heating rods are sequentially and equidistantly mounted on the inner surfaces of the plurality of mounting grooves. The heat conduction plate is fixedly connected to the inner surface of the mounting frame.

[0025] By adopting the above technical solution, when the heating component moves to a suitable position, the heating rods installed in the mounting grooves in the mounting frame start to operate. The heating rods heat the heat conduction plate, thereby softening the plastic sheet, so that the mold plate can compress it.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. After the clamping mechanism is installed on the operating table, when placing the plastic sheet, it can clamp and fix plastic sheets of different thicknesses, and the anti-slip pads increase the friction force of the plastic sheet, making it less likely to fall off during the fixing process; 2. It makes the movement of the heating component more portable by using the adjustment mechanism, optimizes the operation steps, and thus improves its working efficiency. Description of the Drawings

[0027] Figure 1 is the overall structural schematic diagram of Embodiment 1 of the present application; Figure 2 is the structural schematic diagram of the clamping mechanism of Embodiment 1 of the present application; Figure 3 is the structural schematic diagram of the ejecting component of Embodiment 1 of the present application; Figure 4 is the structural schematic diagram of the adjustment mechanism of Embodiment 2 of the present application; Figure 5 is the structural schematic diagram of the heating component of Embodiment 2 of the present application; Figure 6 is Figure 5 the partial enlarged schematic diagram of part A in

[0028] Description of reference numerals: 1, thermoforming main body; 2, clamping mechanism; 3, ejecting assembly; 4, adjusting mechanism; 11, operating table; 12, control member; 21, placing block; 22, anti-slip pad; 23, first power source; 24, clamping plate; 31, placing groove; 32, second power source; 33, connecting plate; 34, module; 35, air extraction hole; 41, electric sliding table; 42, connecting block; 43, heating assembly; 431, mounting frame; 432, mounting groove; 433, heating rod; 434, heat conduction plate. Detailed implementation manners

[0029] The following will Figure 1 - with reference to Figure 6 the accompanying drawings, further elaborate on this application.

[0030] Embodiment 1: A plastic sheet heating and thermoforming device, including a clamping mechanism 2 arranged on the thermoforming main body 1, a clamping mechanism 2 is arranged on the upper surface of the thermoforming main body 1, an ejecting assembly 3 is arranged on the inner surface of the thermoforming main body 1, and an adjusting mechanism 4 is arranged on the upper surface of the thermoforming main body 1.

[0031] Relevant operators place the unprocessed plastic sheet into the thermoforming main body 1, fix the plastic sheet through the clamping mechanism 2, then conveniently move the heating assembly 43 through the adjusting mechanism 4 to soften the plastic sheet. After completing the thermoplastic processing, the mold is ejected through the ejecting assembly 3 to shape the plastic sheet. Then, the air between the mold and the plastic sheet is pumped out by the vacuum pump in the thermoforming main body 1, so that the plastic sheet closely adheres to the surface of the mold to form the required shape.

[0032] The clamping mechanism 2 includes a placing block 21, an anti-slip pad 22, a first power source 23 and a clamping plate 24. Two placing blocks 21 are fixedly connected to the upper surface of the thermoforming main body 1, an anti-slip pad 22 is placed on the upper surface of the placing block 21, the first power source 23 is arranged at both ends of the placing block 21 respectively, and the output end of the first power source 23 is fixedly connected to the clamping plate 24.

[0033] After the operator places the plastic sheet into the thermoforming main body 1, the first power source 23 is driven according to the parameters set by the operator to lift the clamping plate 24. After placing the plastic sheet between the clamping plate 24 and the anti-slip pad 22, then the first power source 23 drives the clamping plate 24 to press downward, so as to clamp the placed plastic sheet. At the same time, the anti-slip pad 22 installed above the placing block 21 prevents the clamping plate 24 from sliding during the clamping process, avoiding the plastic sheet from falling off. Then, the mold is ejected through the ejecting assembly 3 to shape the plastic sheet. The first power source 23 is a micro cylinder.

[0034] Two placement blocks 21 are symmetrically installed along the width central axis of the thermoformed main body 1, and two first power sources 23 are symmetrically installed along the length central axis of the placement block 21. After the operator places the plastic sheet, it is fixed by activating the first power source 23, and the anti-slip pad 22 prevents the plastic sheet from sliding.

[0035] The outer surface size of the anti-slip pad 22 matches the inner surface size of the clamping plate 24, and the bottom size of the anti-slip pad 22 fits the upper surface size of the placement block 21. When the anti-slip pad 22 is facing the extrusion of the first power source 23 after placing the plastic sheet, it increases the friction of the plastic sheet and makes it not easy to slide.

[0036] The thermoformed main body 1 includes an operating table 11 and a control member 12, and the control member 12 is arranged on the outer surface of the operating table 11.

[0037] When the plastic sheet needs to be processed, the plastic sheet is placed above the operating table 11, softened by the heating component 43, and then shaped by the ejecting component 3. During the shaping process, the vacuum pump inside the operating table 11 evacuates the air between the module 34 and the plastic sheet according to the parameters set by the control member 12.

[0038] The ejecting component 3 includes a placement groove 31, a second power source 32, a connecting plate 33, a module 34, and an air extraction hole 35. A placement groove 31 is opened on the upper surface of the operating table 11, the second power source 32 is equidistantly installed on the inner surface of the placement groove 31, the output end of the second power source 32 is fixedly connected to the connecting plate 33, the module 34 is fixedly connected to the upper surface of the connecting plate 33, and an air extraction hole 35 is opened on the upper surface of the module 34.

[0039] When the plastic sheet is heated and softened by the heating component 43, the second power source 32 then pushes the connecting plate 33 to drive the module 34 to eject, shaping the softened plastic sheet. Then the vacuum pump extracts the air between the module 34 and the plastic sheet through the air extraction hole 35, enabling the plastic sheet to closely adhere to the module 34. When the second power source 32 ejects, the module can be just flush with the first power source 23. For example, the height between the first power source 23 and the operating table 11 is 5 cm. After the second power source 32 ejects the module 34, the connecting plate 33 can fit the upper part of the placement groove 31. At this time, the distance between the bottom of the module 34 after ejection and the operating table 11 is also 5 cm, enabling the module to fit the plastic sheet and thus shaping the plastic sheet.

[0040] The second power source 32 is symmetrically installed along the length central axis of the inner surface of the placement groove 31, and the outer surface size of the connecting plate 33 matches the inner surface size of the placement groove 31. By being evenly arranged in the placement groove 31, the second power source 32 enables a more stable lifting operation of the connecting plate 33.

[0041] The air extraction holes 35 are symmetrically opened along the length central axis of the module 34. After the module 34 is attached to the plastic sheet, the air between the module 34 and the plastic sheet is pumped out by a vacuum pump to prevent the shaped finished product from being unqualified due to the presence of air.

[0042] The implementation principle of the embodiments of this application is as follows: Relevant operators place the unprocessed plastic sheet into the thermoforming main body 1, fix the plastic sheet through the clamping mechanism 2, and then conveniently move the heating component 43 through the adjusting mechanism 4 to soften the plastic sheet. After completing the thermoplastic processing, the mold is ejected through the ejecting component 3 to shape the plastic sheet. Then, the vacuum pump in the thermoforming main body 1 extracts the air from between the mold and the plastic sheet, making the plastic sheet closely adhere to the surface of the mold to form the required shape. When the operator places the plastic sheet into the thermoforming main body 1, the set parameters drive the first power source 23 to lift the clamping plate 24. After placing the plastic sheet between the clamping plate 24 and the anti-slip pad 22, the first power source 23 drives the clamping plate 24 to press downward, thereby clamping the placed plastic sheet. At the same time, the anti-slip pad 22 installed above the placing block 21 prevents the clamping plate 24 from sliding during the clamping process and avoids the plastic sheet from falling off. Then, the mold is ejected through the ejecting component 3 to shape the plastic sheet. The first power source 23 is a micro cylinder. The two placing blocks 21 are symmetrically installed along the width central axis of the thermoforming main body 1, and the two first power sources 23 are symmetrically installed along the length central axis of the placing block 21. After the operator finishes placing the plastic sheet, the first power source 23 is started to fix it. The anti-slip pad 22 prevents the plastic sheet from sliding. The outer surface size of the anti-slip pad 22 matches the inner surface size of the clamping plate 24, and the bottom size of the anti-slip pad 22 fits the upper surface size of the placing block 21. When the anti-slip pad 22 is placed with the plastic sheet and is subjected to the extrusion of the first power source 23, it increases the friction of the plastic sheet and makes it not easy to slide. When the plastic sheet needs to be processed, the plastic sheet is placed above the operating table 11, and the plastic sheet is softened by the heating component 43. Then, the plastic sheet is shaped through the ejecting component 3. During the shaping process, the vacuum pump inside the operating table 11 evacuates the air between the module 34 and the plastic sheet according to the parameters set by the control part 12. When the plastic sheet is heated and softened by the heating component 43, at this time, the second power source 32 pushes the connecting plate 33 to drive the module 34 to eject and shape the softened plastic sheet. Then, the vacuum pump extracts the air between the module 34 and the plastic sheet through the air extraction hole 35, so that the plastic sheet can closely adhere to the module 34. When the second power source 32 ejects, the module can just be flush with the first power source 23. For example, the height between the first power source 23 and the operating table 11 is 5 cm. After the second power source 32 ejects the module 34, the connecting plate 33 can fit above the placing groove 31. At this time, the distance between the bottom of the module 34 after ejection and the operating table 11 is also 5 cm, so that the module and the plastic sheet can be adhered to each other to shape the plastic sheet.The second power source 32 is symmetrically installed along the length central axis of the inner surface of the placement groove 31, and the outer surface size of the connecting plate 33 matches the inner surface size of the placement groove 31. The second power source 32 is evenly arranged in the placement groove 31, enabling more stable lifting operation of the connecting plate 33. The air extraction holes 35 are symmetrically opened along the length central axis of the module 34. After the module 34 is attached to the plastic sheet, the air between the module 34 and the plastic sheet is pumped out by a vacuum pump to prevent the molded product from being unqualified due to the presence of air.

[0043] Embodiment 2: A plastic sheet heating and thermoforming device further includes an adjusting mechanism 4, which includes an electric sliding table 41, a connecting block 42, and a heating component 43. An electric sliding table 41 is arranged on the upper surface of the operating table 11. The inner surface of the electric sliding table 41 is slidably connected to a connecting block 42, and a heating component 43 is arranged on the outer surface of the connecting block 42.

[0044] After the plastic sheet is fixedly placed, the electric sliding table 41 is started, and it drives the heating component 43 to move through the connecting block 42, thereby heating and softening the plastic sheet for more convenient movement.

[0045] The heating component 43 includes a mounting frame 431, mounting grooves 432, heating rods 433, and a heat conduction plate 434. The outer surface of the connecting block 42 is fixedly connected to a mounting frame 431. The inner surface of the mounting frame 431 is equidistantly provided with mounting grooves 432, and a plurality of heating rods 433 are sequentially and equidistantly mounted on the inner surfaces of the plurality of mounting grooves 432. The inner surface of the mounting frame 431 is fixedly connected to a heat conduction plate 434.

[0046] When the heating component 43 moves to a suitable position, the heating rods 433 installed in the mounting grooves 432 in the mounting frame 431 start to operate. The heating rods 433 heat the heat conduction plate 434, thereby softening the plastic sheet so that the mold plate 14 can compress it.

[0047] The implementation principle of the embodiment of the present application is as follows: After the plastic sheet is fixedly placed, the electric sliding table 41 is started, and it drives the heating component 43 to move through the connecting block 42, thereby heating and softening the plastic sheet for more convenient movement. When the heating component 43 moves to a suitable position, the heating rods 433 installed in the mounting grooves 432 in the mounting frame 431 start to operate. The heating rods 433 heat the heat conduction plate 434, thereby softening the plastic sheet so that the mold plate 14 can compress it.

[0048] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. The same components are denoted by the same reference numerals. Therefore, all equivalent changes made according to the structure, shape, and principle of this application shall be covered within the protection scope of this application.

Claims

1. A plastic sheet heating blister molding device, comprising a clamping mechanism (2) arranged on a blister molding body (1), the clamping mechanism (2) being arranged on the upper surface of the blister molding body (1), an ejection assembly (3) being arranged on the inner surface of the blister molding body (1), and an adjustment mechanism (4) being arranged on the upper surface of the blister molding body (1).

2. A plastic sheet heating and vacuum forming device according to claim 1, characterized in that: The clamping mechanism (2) comprises a placement block (21), an anti-skid pad (22), a first power source (23) and a clamping plate (24), and the upper surface of the blister-molded body (1) is fixedly connected to two placement blocks (21), and the upper surface of the placement blocks (21) is provided with an anti-skid pad (22), and the first power source (23) is respectively arranged at both ends of the placement blocks (21), and the output end of the first power source (23) is fixedly connected to the clamping plate (24).

3. A plastic sheet heating and vacuum forming device according to claim 2, characterized in that: The two placement blocks (21) are symmetrically installed with respect to the width center axis of the vacuum-formed main body (1), and the two first power sources (23) are symmetrically installed with respect to the length center axis of the placement blocks (21).

4. A plastic sheet heating and vacuum forming device according to claim 2, characterized in that: The outer surface size of the anti-slip pad (22) matches the inner surface size of the clamping plate (24), and the bottom size of the anti-slip pad (22) matches the upper surface size of the placement block (21).

5. A plastic sheet heating and vacuum forming device according to claim 1, characterized in that: The vacuum forming body (1) comprises an operating table (11) and a control component (12), and the control component (12) is arranged on the outer surface of the operating table (11).

6. A plastic sheet heating and vacuum forming device according to claim 5, characterized in that: The ejection assembly (3) comprises a placement groove (31), a second power source (32), a connecting plate (33), a module (34) and an exhaust hole (35), and the placement groove (31) is provided on the upper surface of the operating table (11), and the second power source (32) is equidistantly installed on the inner surface of the placement groove (31), and the output end of the second power source (32) is fixedly connected to the connecting plate (33), and the upper surface of the connecting plate (33) is fixedly connected to the module (34), and the upper surface of the module (34) is provided with an exhaust hole (35).

7. A plastic sheet heating and vacuum forming device according to claim 6, characterized in that: The second power source (32) is installed symmetrically with respect to the length center axis of the inner surface of the placement groove (31), and the outer surface size of the connecting plate (33) matches the inner surface size of the placement groove (31).

8. A plastic sheet heating and vacuum forming device according to claim 6, characterized in that: The air extraction holes (35) are symmetrically opened with respect to the longitudinal center axis of the module (34).

9. A plastic sheet heating and vacuum forming device according to claim 5, characterized in that: The adjustment mechanism (4) comprises an electric slide (41), a connecting block (42) and a heating component (43), and the upper surface of the operating table (11) is provided with the electric slide (41), the inner surface of the electric slide (41) is slidably connected to the connecting block (42), and the outer surface of the connecting block (42) is provided with the heating component (43).

10. A plastic sheet heating and vacuum forming device according to claim 9, characterized in that: The heating component (43) comprises a mounting frame (431), a mounting groove (432), a heating rod (433) and a heat conduction plate (434), and the outer surface of the connecting block (42) is fixedly connected to the mounting frame (431), and the inner surface of the mounting frame (431) is provided with mounting grooves (432) at equal intervals, and the inner surfaces of the plurality of mounting grooves (432) are sequentially and correspondingly provided with a plurality of heating rods (433) at equal intervals, and the inner surface of the mounting frame (431) is fixedly connected to the heat conduction plate (434).

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