Vacuum type full-automatic PS (polystyrene) plastic foam forming machine

Abstract

The utility model discloses a vacuum type full-automatic PS (polystyrene) plastic foam forming machine, which relates to the technical field of foam production equipment and comprises a device body, an upper die, a lower die and a feed port fixedly connected with the top surface of the device body. And a linkage assembly is arranged in the device body, the linkage assembly is driven by the transmission assembly to conduct mold opening while ejecting and demolding on a formed product, a box door is slidably connected to one face of the device body, and a feeding pipe is fixedly connected to the bottom end of the feeding opening. According to the utility model, the transmission assembly is driven to operate, the upper mold can be promoted to move upwards along with the operation of the transmission assembly, and the linkage assembly can be promoted to move upwards to eject a plastic product formed in the lower mold while the upper mold moves upwards, so that the effect of synchronously opening the mold and stripping the mold is achieved; and the production efficiency of plastic products is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of foam production equipment, especially to a vacuum type full-automatic PS plastic foam forming machine. BACKGROUND

[0002] The vacuum type full-automatic PS plastic foam forming machine is a device specially used for producing polystyrene foam plastic products, which mainly utilizes vacuum forming technology to make various shapes of foam products such as foam packaging materials, thermal insulation materials, and disposable tableware through a series of processes such as pre-foaming and forming.

[0003] The applicant found that a plastic foam forming machine was disclosed in a Chinese patent with the publication number CN218906083U. This patent mainly starts multiple cylinders to shrink to drive the upper mold to move upwards and separate from the lower mold. The multiple cylinders can stably support the weight of the upper mold, which is more suitable for larger-sized upper molds. After the upper mold and the lower mold are separated, the bracket is pushed upwards to drive the supporting plate to move synchronously and push the cooled and shaped plastic foam product away from the inner cavity of the lower mold, thereby facilitating ejection.

[0004] The above device can facilitate the ejection of the cooled and shaped plastic product. However, the device needs to be lifted first, and then the shaped product is manually ejected from the mold by the staff, which makes the ejection process complicated and slows down the product forming efficiency. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a vacuum type full-automatic PS plastic foam forming machine to solve the problem of the complicated ejection process affecting the product forming efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vacuum type full-automatic PS plastic foam forming machine, comprising a device body, an upper mold, a lower mold, and a feed inlet fixedly connected to the top surface of the device body. The inside of the device body is provided with a transmission assembly capable of rotating uniformly. The inside of the device body is provided with a linkage assembly that promotes one side to open the mold and the other side to eject the shaped product. One side of the device body is slidably connected with a box door. The bottom end of the feed inlet is fixedly connected with a feeding pipe. The end of the feeding pipe away from the feed inlet is fixedly connected with the top surface of the upper mold.

[0007] Preferably, the linkage assembly comprises a mounting bracket, the bottom surface of the mounting bracket is fixedly connected with the bottom surface of the inner wall of the device body, and one side of the mounting bracket is fixedly connected with one side of the lower mold.

[0008] Preferably, the linkage assembly further comprises two limiting grooves, the two limiting grooves are respectively arranged on opposite sides of the mounting frame, and inner walls of the two limiting grooves are both slidably connected with limiting blocks.

[0009] Preferably, the linkage assembly further comprises two control tooth plates, opposite sides of the two control tooth plates are respectively fixedly connected with opposite sides of the two limiting blocks, opposite sides of the two control tooth plates are both fixedly connected with connecting blocks, and opposite sides of the two connecting blocks are respectively fixedly connected with opposite sides of the upper die.

[0010] Preferably, the linkage assembly further comprises an ejection plate and a moving groove arranged on a bottom surface of the lower die, a surface of the ejection plate is slidably connected with an inner wall of the lower die, a bottom surface of the ejection plate is fixedly connected with a double-sided tooth plate, and a bottom end of the double-sided tooth plate extends to the bottom surface of the lower die through the moving groove.

[0011] Preferably, the transmission assembly comprises two first gears and two second gears, one side of each of the two first gears is rotatably connected with one side of the mounting frame, opposite sides of the two first gears are respectively meshingly connected with opposite sides of the double-sided tooth plate, one side of each of the two second gears is rotatably connected with one side of the mounting frame, opposite sides of the two second gears are respectively meshingly connected with opposite sides of the two first gears, and opposite sides of the two second gears are respectively meshingly connected with opposite sides of the two control tooth plates.

[0012] Preferably, the transmission assembly further comprises a motor, one side of the motor is fixedly connected with one side of the mounting frame, and an output end of the motor is fixedly connected with one side of one of the first gears.

[0013] Preferably, one side of the mounting frame is fixedly connected with a vacuum pump, the vacuum pump is connected with the inside of the upper die, and the inside of the upper die and the inside of the lower die are both provided with heating cavities.

[0014] The technical effects and advantages of the utility model are as follows: the utility model runs through the driving transmission assembly, then the running of the transmission assembly can promote the upper die to move upwards and promote the linkage assembly to move upwards to eject the plastic product formed in the inside of the lower die at the same time that the upper die moves upwards, so that the effect that mold opening and mold ejection are synchronously performed is achieved, and the production efficiency of the plastic product is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a front view cross section structure schematic view of the utility model.

[0017] Figure 3 It is the side view sectional structure schematic diagram of the utility model.

[0018] Figure 4 It is the utility model Figure 2 The enlarged structure schematic diagram of A place in the middle.

[0019] In the drawing: 1, device body; 2, transmission assembly; 3, linkage assembly; 5, feed inlet; 6, box door; 7, feeding pipe; 8, upper die; 9, lower die; 10, heating cavity; 11, vacuum pump; 201, first gear; 202, second gear; 203, motor; 301, mounting bracket; 302, connecting block; 303, control tooth plate; 304, limiting groove; 305, limiting block; 306, double-sided tooth plate; 307, moving groove; 308, ejection plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] As Figures 1 to 4 shown, the utility model first aspect embodiment of a kind of vacuum type full-automatic PS plastic foam forming machine, including device body 1, upper die 8, lower die 9 and with the feed inlet 5 of device body 1 top surface fixed connection, the inside of device body 1 is equipped with the transmission assembly 2 that can carry out uniform rotation, the inside of device body 1 is equipped with the linkage assembly 3 that in transmission assembly 2's promote one side carries out opening mould one side will the product of forming is ejected demoulding, one side of device body 1 is slidably connected with box door 6, the bottom end fixed connection of feed inlet 5 is equipped with feeding pipe 7, the end of feeding pipe 7 away from feed inlet 5 is fixedly connected with the top surface of upper die 8.

[0023] The technical effect reached by the above embodiment is: by driving transmission assembly 2 to run, then with the operation of transmission assembly 2 can promote upper die 8 to move upwards and can promote linkage assembly 3 to move upwards to eject the plastic product formed inside lower die 9 while upper die 8 moves upwards, to achieve the effect that opening mould and ejection are synchronous, in turn improve the production efficiency of plastic product.

[0024] Embodiment 2

[0025] As Figures 2 to 4As shown, a vacuum-type fully automatic PS plastic foam molding machine includes all the contents of Embodiment 1. In addition, the linkage component 3 includes a mounting frame 301, the bottom surface of which is fixedly connected to the bottom surface of the inner wall of the device body 1, and one side of which is fixedly connected to one side of the lower mold 9. The linkage component 3 also includes two limiting grooves 304, which are respectively opened on opposite sides of the mounting frame 301. Limiting blocks 305 are slidably connected to the inner walls of both limiting grooves 304. The linkage component 3 also includes two control toothed plates 303. The opposite side of 03 is fixedly connected to the opposite side of the two limiting blocks 305 respectively. The opposite side of the two control tooth plates 303 is fixedly connected to the connecting block 302. The opposite side of the two connecting blocks 302 is fixedly connected to the opposite side of the upper mold 8 respectively. The linkage component 3 also includes an ejector plate 308 and a moving groove 307 opened on the bottom surface of the lower mold 9. The surface of the ejector plate 308 is slidably connected to the inner wall of the lower mold 9. The bottom surface of the ejector plate 308 is fixedly connected to a double tooth plate 306. The bottom end of the double tooth plate 306 passes through the moving groove 307 and extends to the bottom surface of the lower mold 9.

[0026] The technical effect achieved by the above embodiment is as follows: the transmission component 2 can cooperate with the two control tooth plates 303 to make the two control tooth plates 303 slowly move upward under the action of the corresponding limit groove 304 and limit block 305. When moving, it drives the upper mold 8 to move upward to open the mold. Then, while the upper mold 8 moves upward, it can cause the double tooth plate 306 to drive the ejector plate 308 to move upward to eject the product formed in the lower mold 9 and demold it.

[0027] Example 3

[0028] like Figures 2 to 4 As shown, a vacuum-type fully automatic PS plastic foam molding machine includes all the contents of Embodiment 2. In addition, the transmission assembly 2 includes two first gears 201 and two second gears 202. One side of each of the two first gears 201 is rotatably connected to one side of the mounting frame 301, and the opposite sides of the two first gears 201 are respectively meshed with the opposite sides of the double-sided toothed plate 306. One side of each of the two second gears 202 is rotatably connected to one side of the mounting frame 301, and the opposite sides of the two second gears 202 are respectively meshed with the opposite sides of the two first gears 201. The opposite sides of the two second gears 202 are respectively meshed with the opposite sides of the two control toothed plates 303. The transmission assembly 2 also includes a motor 203. One side of the motor 203 is fixedly connected to one side of the mounting frame 301, and the output end of the motor 203 is fixedly connected to one side of one of the first gears 201.

[0029] The technical effect achieved by the above embodiment is that when the mold opening and demolding work needs to be performed, the motor 203 is first started, then the motor 203 drives one of the first gears 201 to rotate, the first gear 201 drives the double-sided toothed plate 306 to move upward when rotating, and the other first gear 201 also rotates, the rotation of the two first gears 201 drives the two second gears 202 to rotate, and then the two second gears 202 cooperate with the two control toothed plates 303 to achieve the effect of controlling the upper mold 8 to move upward to open the mold.

[0030] Embodiment 4

[0031] As shown in Figure 2 and Figure 3 A vacuum type full-automatic PS plastic foam forming machine, comprising all the contents of embodiment 3, in addition, one side of the mounting frame 301 is fixedly connected with a vacuum pump 11, the vacuum pump 11 is connected with the inside of the upper mold 8, and the inside of the upper mold 8 and the lower mold 9 is provided with a heating cavity 10.

[0032] The technical effect achieved by the above embodiment is that the vacuum pump 11 can extract the air inside the mold, so that the plastic particles can be tightly fitted to the mold under the action of negative pressure, and the heating cavity 10 arranged in the inside of the upper mold 8 and the lower mold 9 can heat the inside of the upper mold 8 and the lower mold 9 through the external heating element.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.

Claims

1. A vacuum type full-automatic PS plastic foam forming machine, comprising a device body (1), an upper mold (8), a lower mold (9), and a feeding port (5) fixedly connected with the top surface of the device body (1), characterized in that: The inside of the device body (1) is provided with a transmission assembly (2) capable of uniform rotation, the inside of the device body (1) is provided with a linkage assembly (3) for opening the mold on one side and ejecting the molded product on the other side, one side of the device body (1) is slidably connected with a box door (6), the bottom end of the feeding port (5) is fixedly connected with a feeding pipe (7), and the end away from the feeding port (5) of the feeding pipe (7) is fixedly connected with the top surface of the upper mold (8).

2. A full automatic PS plastic foam forming machine of vacuum type according to claim 1, characterized in that: The linkage assembly (3) comprises a mounting frame (301), the bottom surface of the mounting frame (301) is fixedly connected with the bottom surface of the inner wall of the device body (1), and one side of the mounting frame (301) is fixedly connected with one side of the lower mold (9).

3. A full automatic PS plastic foam forming machine of vacuum type according to claim 2, characterized in that: The linkage assembly (3) further comprises two limiting grooves (304), and the opposite sides of the two limiting grooves (304) are respectively provided on the opposite sides of the mounting frame (301). The inner walls of the two limiting grooves (304) are slidably connected with limiting blocks (305).

4. A full automatic PS plastic foam forming machine of vacuum type according to claim 3, characterized in that: The linkage assembly (3) further comprises two control toothed plates (303), and the opposite sides of the two control toothed plates (303) are respectively fixedly connected with the opposite sides of the two limiting blocks (305). The opposite sides of the two control toothed plates (303) are fixedly connected with connecting blocks (302), and the opposite sides of the two connecting blocks (302) are respectively fixedly connected with the opposite sides of the upper mold (8).

5. A full automatic PS plastic foam forming machine of vacuum type according to claim 4, characterized in that: The linkage assembly (3) further comprises an ejection plate (308) and a moving groove (307) formed in the bottom surface of the lower mold (9). The surface of the ejection plate (308) is slidably connected with the inner wall of the lower mold (9), and the bottom surface of the ejection plate (308) is fixedly connected with a double-sided toothed plate (306). The bottom end of the double-sided toothed plate (306) penetrates through the moving groove (307) and extends to the bottom surface of the lower mold (9).

6. A full automatic PS plastic foam forming machine of vacuum type according to claim 2, characterized in that: The transmission assembly (2) comprises two first gears (201) and two second gears (202). One side of each of the two first gears (201) is rotatably connected with one side of the mounting frame (301). The opposite sides of the two first gears (201) are respectively meshed with the opposite sides of the double-sided toothed plate (306). One side of each of the two second gears (202) is rotatably connected with one side of the mounting frame (301). The opposite sides of the two second gears (202) are respectively meshed with the opposite sides of the two first gears (201). The opposite sides of the two second gears (202) are respectively meshed with the opposite sides of the two control toothed plates (303).

7. A full automatic PS plastic foam forming machine of vacuum type according to claim 6, characterized in that: The transmission assembly (2) further comprises a motor (203), one side of the motor (203) is fixedly connected with one side of the mounting frame (301), and the output end of the motor (203) is fixedly connected with one side of one of the first gears (201).

8. A full automatic PS plastic foam forming machine of vacuum type according to claim 2, characterized in that: One side of the mounting frame (301) is fixedly connected with a vacuum pump (11), the vacuum pump (11) is connected with the inside of the upper mold (8), and heating cavities (10) are formed in the insides of the upper mold (8) and the lower mold (9).

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