Plastic sheet positive pressure thermal forming equipment for processing food packaging container

Abstract

The utility model discloses plastic sheet positive pressure thermal forming equipment for processing a food packaging container, and relates to the field of food packaging processing devices. The plastic sheet positive pressure thermal forming equipment for processing the food packaging container comprises a pressure thermal forming unit, the pressure thermal forming unit comprises a hot pressing forming machine and a material receiving machine arranged on the side wall of the hot pressing forming machine, and the pressure thermal forming unit further comprises an arc-shaped plate and a first spring which are arranged on the top side of the hot pressing forming machine and used for fixing a plastic sheet; and a baffle and a clamping plate which are used for limiting the drinking utensils are arranged at the top of the receiving machine. According to the plastic sheet positive-pressure thermal forming equipment for processing the food packaging container, the arc-shaped plate is arranged on the side wall of the material rolling shaft on the hot-pressing forming machine, used plastic sheet waste can be clamped between the arc-shaped plate and the material rolling shaft to be fixed and rolled, meanwhile, the baffle convenient to store is arranged on the side wall of the hot-pressing forming machine, and therefore the plastic sheet waste can be conveniently stored. And the hot-pressing forming machine can be limited through the baffle.

Description

Technical Field

[0001] The utility model relates to the technical field of food packaging and processing, in particular to a plastic sheet positive pressure thermoforming device for processing food packaging containers. Background Art

[0002] With the rapid development of science and technology and economy in my country, plastic packaging products have been widely used. Plastic packaging containers are mainly made by plastic air compression molding machines, which mainly heat the plastic sheet to soften it, and under gas pressure, rely on compressed air to stretch and pressurize the heat-softened plastic sheet to make it close to the mold surface, and cool and shape it. It is mainly used in the production of disposable tableware, plastic bowls, milk tea lids and other products.

[0003] At present, it is laborious to manually press the plastic sheet onto the reel shaft of the air pressure forming machine for fixed reeling, and the packaging drinkware falls to the ground and causes pollution when the drinkware is pneumatically unloaded;

[0004] The reason for this problem is that, the current plastic air compression molding machine needs to press and reel the plastic sheet preliminarily after hot compression molding. Since the position of the reel shaft is relatively high and the width of the plastic sheet is relatively wide, it is quite laborious to manually press the edge of the plastic sheet on the reel shaft for fixing. Secondly, the plastic beverage utensils after hot compression molding will be sprayed to the receiving machine by the air nozzle inside the hot compression molding machine for centralized collection. Since the plastic beverage utensils are relatively light, they are easy to float to both sides during the blowing process, causing the beverage utensils to fall to the ground and cause pollution. In view of the shortcomings of the existing technology, we propose a plastic sheet positive pressure thermoforming equipment for processing food packaging containers to solve the above problems. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a positive pressure thermoforming device for processing plastic sheets for food packaging containers, which solves the problem that it is quite laborious to manually press the plastic sheet onto the coil shaft on the pneumatic forming machine for fixed winding, and the problem that the packaged drinking utensils fall to the ground and cause pollution when the packaging drinking utensils are pneumatically unloaded.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: A plastic sheet positive pressure thermoforming device for processing food packaging containers, comprising a thermoforming unit, the thermoforming unit comprising a thermoforming machine and a material receiving machine arranged on the side wall of the thermoforming machine, the thermoforming unit also comprising a fixing unit and a limiting unit;

[0007] The fixing unit comprises an arc plate and a first spring arranged on the top side of the hot pressing molding machine, wherein the arc plate is used to fix the plastic sheet, and the first spring is used to reset the arc plate;

[0008] The limiting unit includes a baffle plate arranged on the top of the material receiving machine and a clamping plate arranged on the side wall of the hot pressing molding machine. The baffle plate is used to limit the drinking utensil, and the clamping plate is used to fix the baffle plate.

[0009] Preferably, a coiling shaft is provided on the top side of the thermoforming machine, and a circular groove is provided on the side wall of the coiling shaft.

[0010] Preferably, a round rod is fixedly connected to the side wall of the arc-shaped plate, and the round rod is inserted into the inside of the circular groove.

[0011] Preferably, the first spring is sleeved on the outer peripheral wall of the round rod, and two ends of the first spring are fixedly connected between the circular groove and the round rod.

[0012] Preferably, the baffle is rotatably connected to the top of the material receiving machine, and the clamping plate is clamped on both sides of the baffle;

[0013] A square groove is provided on the side wall of the thermoforming machine, a shaft rod is fixedly connected inside the square groove, and the clamping plate is rotatably connected to the outer peripheral wall of the shaft rod.

[0014] Preferably, a slot is formed on the side wall of the thermoforming machine, an I-shaped rod penetrates the side wall of the clamping plate, and the I-shaped rod is inserted into the slot.

[0015] Preferably, a second spring is sleeved on the outer peripheral wall of the I-shaped rod, and the second spring is fixedly connected to the side wall of the I-shaped rod and the inside of the clamping plate, and the second spring is used to reset the I-shaped rod.

[0016] The utility model discloses a positive pressure thermoforming device for processing plastic sheets of food packaging containers, which has the following beneficial effects: by arranging an arc plate on the side wall of a coiling shaft on a hot pressing molding machine, the used plastic sheet waste can be clamped between the arc plate and the coiling shaft by stretching the arc plate for fixed winding, thereby avoiding the current laborious process of holding the plastic sheet and pressing it on the coiling shaft for winding, and at the same time, by arranging a baffle plate on the side wall of the hot pressing molding machine for easy storage, the hot pressing molding machine can be limited by the baffle plate, thereby avoiding the situation that the plastic drinking utensils after molding are easily dropped to the outside when the hot pressing molding machine blows the formed plastic drinking utensils to the receiving machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1It is a structural schematic diagram of the hot pressing forming machine of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the curved plate of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the card board of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the I-shaped rod of the utility model.

[0022] In the figure: 1, hot pressing forming machine; 101, material receiving machine; 102, square groove; 103, clamping groove; 2, winding shaft; 201, round groove; 3, arc plate; 301, round rod; 302, first spring; 4, baffle; 5, clamping plate; 501, shaft rod; 502, I-shaped rod; 503, second spring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0024] The embodiment of the present application provides a positive pressure thermoforming device for processing plastic sheets for food packaging containers, thereby solving the current problem that it is quite laborious to manually press the plastic sheet onto the reel shaft of the pneumatic forming machine for fixed reeling, and the problem that the packaged drinking utensils fall to the ground and cause pollution when the packaging drinking utensils are pneumatically unloaded.

[0025] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] The utility model embodiment discloses a plastic sheet positive pressure thermoforming device for processing food packaging containers.

[0027] According to the attached Figure 1-4 As shown, a plastic sheet positive pressure thermoforming device for processing food packaging containers includes a thermoforming unit, the thermoforming unit includes a thermoforming machine 1 and a material receiving machine 101 arranged on the side wall of the thermoforming machine 1, and the thermoforming unit also includes a fixing unit and a limiting unit;

[0028] The specific functions and operations of the thermoforming machine 1 and the material receiving machine 101 can refer to the thermoforming machine model SXF-800.

[0029] The fixing unit includes an arc plate 3 and a first spring 302 arranged on the top side of the hot pressing molding machine 1, the arc plate 3 is used to fix the plastic sheet, and the first spring 302 is used to reset the arc plate 3;

[0030] The limiting unit includes a baffle 4 arranged on the top of the material receiving machine 101 and a clamping plate 5 arranged on the side wall of the thermoforming machine 1 . The baffle 4 is used to limit the drinking utensil, and the clamping plate 5 is used to fix the baffle 4 .

[0031] A coil shaft 2 is disposed on the top side of the thermoforming machine 1 , and a circular groove 201 is formed on the side wall of the coil shaft 2 .

[0032] A round rod 301 is fixedly connected to the side wall of the arc-shaped plate 3 , and the round rod 301 is inserted into the inside of the circular groove 201 .

[0033] The first spring 302 is sleeved on the outer wall of the round rod 301, and the two ends of the first spring 302 are fixedly connected between the circular groove 201 and the round rod 301. After pulling the arc plate 3 outward, the plastic sheet of waste after hot pressing is placed between the arc plate 3 and the winding shaft 2. At this time, when the arc plate 3 is released, the arc plate 3 will move inward due to the elastic force of the first spring 302, and the arc plate 3 will clamp the plastic sheet on the winding shaft 2, avoiding the need to hold the plastic sheet by hand for winding.

[0034] The baffle plate 4 is rotatably connected to the top of the material receiving machine 101, and the clamping plate 5 is clamped on both sides of the baffle plate 4;

[0035] A square groove 102 is formed on the side wall of the thermoforming machine 1 . A shaft 501 is fixedly connected inside the square groove 102 . The clamping plate 5 is rotatably connected to the outer peripheral wall of the shaft 501 .

[0036] A card slot 103 is provided on the side wall of the hot pressing forming machine 1, and an I-shaped rod 502 is passed through the side wall of the card plate 5. The I-shaped rod 502 is inserted into the inside of the card slot 103. By pulling the I-shaped rod 502 outward to make it slide out of the card slot 103, and then rotating the card plate 5, the card plate 5 will be connected to the two sides of the baffle 4 to fix the baffle 4.

[0037] The outer peripheral wall of the I-shaped rod 502 is sleeved with a second spring 503, and the second spring 503 is fixedly connected to the side wall of the I-shaped rod 502 and the inside of the clamping plate 5. The second spring 503 is used to reset the I-shaped rod 502. After the I-shaped rod 502 is released, the I-shaped rod 502 will be inserted into the clamping slot 103 by the elastic force of the second spring 503 to fix the clamping plate 5.

[0038] When the utility model is in use, the baffle plate 4 is first rotated upward to block the two sides of the hot pressing molding machine 1, and then the I-shaped rod 502 is pulled outward to slide out of the slot 103, and then the card plate 5 is rotated. The card plate 5 will be connected to the two sides of the baffle plate 4 to fix the baffle 4. Secondly, the hot pressing molding machine 1 can be driven to heat the rotating plastic sheet, and rely on compressed air to stretch and pressurize the heat-softened plastic sheet so that it is tightly attached to the mold surface to form plastic drinking utensils. The drinking utensils will be sprayed by the gas inside the hot pressing molding machine 1 to the material receiving machine 101 for receiving the material, and at the same time, the arc plate 3 is pulled outward. At this time, the used plastic sheet waste can be placed between the arc plate 3 and the winding shaft 2. At this time, when the arc plate 3 is released, the arc plate 3 will move inward through the elastic force of the first spring 302, and the arc plate 3 will clamp the plastic sheet on the winding shaft 2 for winding.

[0039] To sum up, compared with the prior art, the present invention has the following beneficial effects: by arranging an arc plate 3 on the side wall of the winding shaft 2 on the hot pressing molding machine 1, the used plastic sheet waste can be placed between the arc plate 3 and the winding shaft 2 for fixed winding by stretching the arc plate 3, thereby avoiding the current laborious process of holding the plastic sheet and pressing it on the winding shaft 2 for winding, and at the same time, by arranging a baffle 4 for easy storage on the side wall of the hot pressing molding machine 1, the baffle 4 can be used to limit the hot pressing molding machine 1, thereby avoiding the situation where the hot pressing molding machine 1 blows the molded plastic drinking utensils to the receiving machine 101, and the drinking utensils are easily dropped to the outside.

[0040] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A plastic sheet positive pressure thermoforming device for processing food packaging containers, comprising a thermoforming unit, the thermoforming unit comprising a thermoforming machine (1) and a material receiving machine (101) arranged on the side wall of the thermoforming machine (1), characterized in that: The thermoforming unit further comprises a fixing unit and a limiting unit; The fixing unit comprises an arc-shaped plate (3) and a first spring (302) arranged on the top side of the hot pressing molding machine (1); the arc-shaped plate (3) is used to fix the plastic sheet, and the first spring (302) is used to reset the arc-shaped plate (3); The limiting unit comprises a baffle (4) arranged on the top of the material receiving machine (101) and a clamping plate (5) arranged on the side wall of the hot pressing molding machine (1); the baffle (4) is used to limit the drinking utensil, and the clamping plate (5) is used to fix the baffle (4).

2. The positive pressure thermoforming equipment for plastic sheets for processing food packaging containers according to claim 1, characterized in that: A coiling shaft (2) is arranged on the top side of the hot pressing forming machine (1), and a circular groove (201) is provided on the side wall of the coiling shaft (2).

3. The positive pressure thermoforming equipment for plastic sheets for processing food packaging containers according to claim 1, characterized in that: A round rod (301) is fixedly connected to the side wall of the arc-shaped plate (3), and the round rod (301) is inserted into the inside of the circular groove (201).

4. The positive pressure thermoforming equipment for plastic sheets for processing food packaging containers according to claim 1, characterized in that: The first spring (302) is sleeved on the outer peripheral wall of the round rod (301), and two ends of the first spring (302) are fixedly connected between the round groove (201) and the round rod (301).

5. The positive pressure thermoforming equipment for plastic sheets for processing food packaging containers according to claim 1, characterized in that: The baffle plate (4) is rotatably connected to the top of the material receiving machine (101), and the clamping plate (5) is clamped on both sides of the baffle plate (4); A square groove (102) is provided on the side wall of the hot pressing molding machine (1), a shaft (501) is fixedly connected inside the square groove (102), and the clamping plate (5) is rotatably connected to the outer peripheral wall of the shaft (501).

6. The positive pressure thermoforming equipment for plastic sheets for processing food packaging containers according to claim 1, characterized in that: A slot (103) is provided on the side wall of the thermoforming machine (1), an I-shaped rod (502) penetrates the side wall of the clamping plate (5), and the I-shaped rod (502) is inserted into the slot (103).

7. The positive pressure thermoforming equipment for plastic sheets for processing food packaging containers according to claim 6, characterized in that: A second spring (503) is sleeved on the outer peripheral wall of the I-shaped rod (502); the second spring (503) is fixedly connected to the side wall of the I-shaped rod (502) and the inside of the clamping plate (5); the second spring (503) is used to reset the I-shaped rod (502).

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