Polyethylene terephthalate (PET) material blister tray forming mold

Abstract

The utility model relates to the technical field of plastic uptake molds, and discloses a PET material plastic uptake tray forming mold which comprises a box body, a fixing plate is arranged at the top end of the box body, a pressing plate is arranged on one side of the box body in a hinged mode, a handle is arranged on one side of the pressing plate, and the PET material plastic uptake tray forming mold further comprises a plastic uptake assembly. The interior of the box body is of a hollow structure, a plurality of forming cavities are formed in the fixing plate, and the plastic uptake assembly is arranged in the box body and can conduct uniform plastic uptake on the four corners in the forming cavities. An air blowing assembly; the air blowing assembly is arranged in the box body and can conduct air blowing operation from the middle position of each forming cavity. A locking structure; and the clamping plates are respectively arranged on one side of the box body and the pressing plate and are mutually matched for use. Compared with the prior art, the mold has the advantages that the air exhaust holes are formed in the four corners in the mold cavity, a base material is uniformly adsorbed from the four corners, the processing quality of subsequent products is ensured, air can be directly blown from the middle position in the mold cavity, demolding is convenient, and the processing efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a blister mold technical field, specifically point to a kind of PET material blister tray forming die. BACKGROUND

[0002] PET plastic packaging tray is a common packaging material, with good transparency, heat resistance, impact resistance, chemical resistance and recyclability and other characteristics, has been widely used in packaging, textile, building, electronics and other industries, in the production and processing of PET plastic packaging tray, often need to use blister mold.

[0003] Traditional blister mold is processed, it is mostly that the base material after heating is directly placed on the mold, then the vacuum suction is carried out inside the mold, the base material is directly adsorbed on the mold under the action of air pressure difference, and the tray is made after demolding after cooling, but the traditional mold can be not formed locally, the details are fuzzy due to insufficient number of vacuum holes and uneven distribution, the number of some vacuum holes is more, which can cause the problem of obvious "pitting" on the surface of product, and the base material is tightly attached to the mold cavity when shrinking, the demolding resistance is large, or the cooling is insufficient, and the sticking situation is easily appeared, which affects the demolding efficiency. UTILITY MODEL CONTENTS

[0004] I. Technical problems to be solved

[0005] The utility model solves the technical problems to be solved, provides a kind of PET material blister tray forming die, four corners in the mold cavity are provided with suction hole, four corners are uniformly adsorbed to base material, the processing quality of subsequent product is ensured, and gas can be directly blown from the middle position in the mold cavity, which is convenient for demolding, and the processing efficiency is high.

[0006] II. Technical scheme

[0007] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a kind of PET material blister tray forming die, including box, the top of the box is equipped with fixed plate, one side of the box is hingedly equipped with pressing plate, one side of the pressing plate is equipped with handle, further comprising:

[0008] Blister assembly;The box is hollow structure, the fixed plate is equipped with a plurality of forming cavities, and the blister assembly is arranged in the box, which can uniformly blister four corners in the forming cavity;

[0009] Gas blowing assembly;Gas blowing assembly is arranged in the box, and can be blown from the middle position of each forming cavity;

[0010] Locking structure;Respectively arranged in one side of box and pressing plate, mutually cooperate and use, can fix the box and pressing plate integrally.

[0011] As improvement, the blowing assembly comprises blowing holes, connecting pipes and a blowing pipe; a plurality of blowing holes are arranged at middle positions of the forming cavities, a plurality of connecting pipes are arranged at bottom ends of the blowing holes, the blowing pipe is arranged at a side of the box body away from the air suction pipe, one end of the blowing pipe is connected with an external blowing device, and the other end of the blowing pipe is connected with the connecting pipes.

[0012] As improvement, the blowing assembly comprises blowing holes, connecting pipes and a blowing pipe; a plurality of blowing holes are arranged at middle positions of the forming cavities, a plurality of connecting pipes are arranged at bottom ends of the blowing holes, the blowing pipe is arranged at a side of the box body away from the air suction pipe, one end of the blowing pipe is connected with an external blowing device, and the other end of the blowing pipe is connected with the connecting pipes.

[0013] As improvement, the locking structure comprises a rotating shaft and an arc-shaped buckle; one side of the box body is provided with a first fixed block, both sides of the top end of the first fixed block are provided with vertical plates, the rotating shaft is rotatably connected between the two vertical plates, and the arc-shaped buckle is fixedly connected to the rotating shaft.

[0014] The locking structure further comprises an arc-shaped buckle slot; one side of the pressing plate is provided with a second fixed plate, and the arc-shaped buckle slot is arranged on the second fixed plate and cooperates with the arc-shaped buckle.

[0015] III. Beneficial effects

[0016] Compared with the prior art, the PET material blister tray forming mold has the following advantages:

[0017] 1. The air suction holes at the four corners, the air suction pipe and the external air suction device are matched, the air suction holes are arranged at the four corners in the mold cavity, the base material is adsorbed from the four corners, the adsorption force is good, and the processing quality of the subsequent product is ensured.

[0018] 2. The blowing holes at the middle positions, the connecting pipes and the blowing pipe are matched, the blowing is performed from the middle positions in the mold cavity, demolding is facilitated, and the processing efficiency is high.

[0019] 3. The first fixed block, the vertical plate, the rotating shaft, the arc-shaped buckle, the second fixed plate and the arc-shaped buckle slot are matched, the pressing plate and the fixed plate are connected together, the base material is pressed, and subsequent blistering is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a three-dimensional schematic view of the PET material blister tray forming mold of the utility model Figure 1 .

[0021] Figure 2 is a three-dimensional schematic view of the PET material blister tray forming mold of the utility model Figure 2 .

[0022] Figure 3It is the sectional view structure schematic diagram of the PET material blister tray forming die of the utility model.

[0023] Figure 4 It is the front view schematic diagram of the PET material blister tray forming die of the utility model.

[0024] Figure 5 It is the PET material blister tray forming die of the utility model. Figure 1 The A part detail enlarged view of the PET material blister tray forming die.

[0025] Figure 6 It is the local sectional view structure schematic diagram of the PET material blister tray forming die of the utility model.

[0026] As shown in the figure: 1, box body; 2, fixed plate; 3, pressing plate; 4, handle; 5, forming cavity; 6, air extraction hole; 7, air blowing hole; 8, connecting pipe; 9, air blowing pipe; 10, air extraction pipe; 11, first fixed block; 12, vertical plate; 13, rotating shaft; 14, arc buckle; 15, second fixed plate; 16, arc clamping groove. DETAILED DESCRIPTION

[0027] In the description of the utility model, it needs to understand that the orientation or position relation indicated by the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, construct and operate in a particular orientation, therefore, it cannot be understood as the limitation to the utility model.In addition, the terms "first", "second" are only for the description purpose, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features.Thus, the features limited with "first", "second" can explicitly or implicitly include one or more of the features.In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two.In addition, the term "include" and any variation thereof, intends to cover the non-exclusive inclusion.

[0028] The utility model will be further described in detail in combination with the drawings.

[0029] In order to facilitate the blister operation, ensure the processing quality, in combination with the drawings Figure 1 , attached Figure 3 and attached Figure 4The utility model provides a PET material blister tray forming die, including the box body 1, the top of box body 1 is equipped with fixed plate 2, one side of box body 1 is hingedly equipped with pressing plate 3, one side of pressing plate 3 is equipped with handle 4, still include: blister subassembly, the inside of box body 1 is hollow structure, be equipped with multiple forming cavities 5 on fixed plate 2, and the blister subassembly is arranged in box body 1, can carry out even blister to four corners in forming cavity 5, and the blister subassembly includes suction hole 6 and suction pipe 10, and multiple suction holes 6 are arranged at the four corners of forming cavity 5 respectively, and suction pipe 10 is arranged at one side of box body 1, one end of suction pipe 10 is communicated with the inside of box body 1, and the other end of suction pipe 10 is connected with external suction equipment. Suction pipe 10 is connected with external suction equipment, and vacuum operation is carried out in box body 1, and the heated substrate is directly adsorbed on the die under the action of pressure difference, and the substrate is adsorbed from four corners by setting suction hole 6 at the four corners in the die cavity, and the whole is evenly adsorbed, avoids the problem that the local tray is not formed and the detail is fuzzy due to the insufficient number of vacuum holes and uneven distribution, or the problem that the surface of product can appear obvious "pockmark" due to the large number of vacuum holes, and the processing quality of subsequent product is ensured.

[0030] In order to facilitate demolding, combined with the accompanying drawings Figure 3 and the accompanying drawings Figure 4 , blowing assembly; blowing assembly is arranged in the box body 1, can carry out blowing operation from the middle position of each forming cavity 5, blowing assembly includes blowing hole 7, connecting pipe 8 and blowing pipe 9, multiple blowing holes 7 are arranged at the middle position of forming cavity 5, and several connecting pipes 8 are arranged at the bottom end of blowing hole 7, and blowing pipe 9 is arranged at the side of box body 1 away from suction pipe 10, one end of blowing pipe 9 is connected with external blowing equipment, and the other end of blowing pipe 9 is connected with several connecting pipes 8. Blowing pipe 9 is connected with external blowing equipment, and gas is continuously sent into connecting pipe 8 and blowing hole 7, since blowing hole 7 is arranged at the middle position in the die cavity, blowing is carried out from the middle position in the die cavity, which facilitates demolding and improves processing efficiency.

[0031] In order to facilitate pressing the heated substrate, facilitate blistering, combined with the accompanying drawings Figure 2 , the accompanying drawings Figure 5 and the accompanying drawings Figure 6The locking structure is arranged on one side of the box body 1 and the pressing plate 3 respectively and is used in cooperation with each other, so that the box body 1 and the pressing plate 3 are fixed and integrated. The locking structure comprises a rotating shaft 13 and an arc-shaped buckle 14. One side of the box body 1 is provided with a first fixing block 11, and vertical plates 12 are arranged on the top end of the first fixing block 11. The rotating shaft 13 is rotatably connected between the two vertical plates 12, and the arc-shaped buckle 14 is fixedly connected to the rotating shaft 13. The locking structure further comprises an arc-shaped clamping groove 16. One side of the pressing plate 3 is provided with a second fixing plate 15, and the arc-shaped clamping groove 16 is arranged on the second fixing plate 15 and cooperates with the arc-shaped buckle 14. The heated base material is placed on the fixing plate 2, and then the pressing plate 3 is covered on the box body 1, so that the base material is pressed around, and the rotating shaft 13 is rotated to drive the arc-shaped buckle 14 to be clamped in the arc-shaped clamping groove 16, thereby conveniently and quickly fixing the box body 1 and the pressing plate 3.

[0032] In the specific implementation of the utility model:

[0033] First, the pressing plate 3 is lifted, the heated base material is placed on the fixing plate 2, and then the pressing plate 3 is covered on the box body 1, so that the base material is pressed around, and then the rotating shaft 13 is rotated to drive the arc-shaped buckle 14 to be clamped in the arc-shaped clamping groove 16, thereby conveniently and quickly fixing the box body 1 and the pressing plate 3, and facilitating subsequent plastic suction operation.

[0034] Then, the air suction pipe 10 is connected with external air suction equipment, vacuum operation is conducted on the box body 1, the heated base material is directly adsorbed on the mold under the action of pressure difference, and the base material is adsorbed from four corners through the air suction holes 6 arranged in the four corners of the mold cavity, so that the base material is uniformly adsorbed, and the problems of local non-molding and fuzzy details of the tray caused by insufficient number of vacuum holes and uneven distribution are avoided, or the problem of obvious "pitting" on the surface of the product caused by too many vacuum holes is avoided, and the processing quality of the subsequent product is ensured.

[0035] When the base material is cooled, the air blowing pipe 9 is connected with external air blowing equipment, and gas is continuously sent into the connecting pipe 8 and the air blowing hole 7. Since the air blowing hole 7 is arranged at the middle position of the mold cavity, air blowing can be conducted from the middle position of the mold cavity, demolding is convenient, and the processing efficiency is high.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0037] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A PET material blister tray forming mold, comprising a box body (1), a fixing plate (2) provided at the top of the box body (1), a pressure plate (3) hinged to one side of the box body (1), and a handle (4) provided on one side of the pressure plate (3), characterized in that, Also includes: Vacuum forming components; The box (1) has a hollow structure inside. The fixing plate (2) is provided with multiple forming cavities (5). The vacuum forming component is set inside the box (1) and can uniformly vacuum form the four corners inside the forming cavity (5). Air blowing assembly; the air blowing assembly is located inside the housing (1) and can perform air blowing operation from the middle position of each molding cavity (5); Locking structure; respectively set on one side of the box (1) and the pressure plate (3), and used together to fix the box (1) and the pressure plate (3) into one piece.

2. The PET material blister tray forming mold according to claim 1, characterized in that: The vacuum forming assembly includes air extraction holes (6) and air extraction pipes (10); multiple air extraction holes (6) are respectively set at the four corners of the forming cavity (5), and the air extraction pipes (10) are set on one side of the box body (1). One end of the air extraction pipes (10) is connected to the inside of the box body (1), and the other end of the air extraction pipes (10) is connected to an external air extraction device.

3. The PET material blister tray forming mold according to claim 2, characterized in that: The air blowing assembly includes air blowing holes (7), connecting pipes (8) and air blowing pipes (9); multiple air blowing holes (7) are respectively located in the middle of the molding cavity (5), several connecting pipes (8) are respectively located at the bottom of the air blowing holes (7), and the air blowing pipes (9) are located on the side of the housing (1) away from the suction pipe (10). One end of the air blowing pipe (9) is connected to an external air blowing device, and the other end of the air blowing pipe (9) is connected to several connecting pipes (8).

4. The PET material blister tray forming mold according to claim 1, characterized in that: The locking structure includes a rotating shaft (13) and an arc-shaped buckle (14); a first fixing block (11) is provided on one side of the box (1), and vertical plates (12) are provided on both sides of the top of the first fixing block (11). The rotating shaft (13) is rotatably connected between the two vertical plates (12), and the arc-shaped buckle (14) is fixedly connected to the rotating shaft (13). The locking structure also includes an arc-shaped slot (16); a second fixing plate (15) is provided on one side of the pressure plate (3), and the arc-shaped slot (16) is set on the second fixing plate (15) and used in conjunction with the arc-shaped buckle (14).

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