Positive and negative pressure three-station thermoplastic forming machine

Abstract

The utility model discloses a positive and negative pressure three-station thermoplastic forming machine, which relates to the technical field of thermoplastic forming machines, solves the problem that plastic frames remain on the edges of packaging boxes, and comprises a thermoplastic forming device, a control panel is fixedly connected to the front side of the thermoplastic forming device, and a punching device is fixedly connected to the right side of the thermoplastic forming device. A discharging opening is formed in the right side of the punching device. The scraping plate is arranged in the shape of a sharp triangle, so that residual plastic frames at the edge of the packaging box can be effectively scraped.

Description

TECHNICAL FIELD

[0001] The utility model relates to thermoplastic forming machine technical field especially is related to a positive pressure and negative pressure three station thermoplastic forming machine. BACKGROUND

[0002] Thermoplastic forming machine (also called blister machine) utilizes the vacuum suction force generated by vacuum pump to suck the PVC, PE, PP and other heat plastic sheet materials after being heated and softened through the mold to form various shapes of vacuum cover, blister tray, bubble shell and the like. Therefore, it is widely used in the packaging or plastic thin-walled product forming of hardware, toys, stationery, medicines and the like;

[0003] In the conventional plastic packaging box processing process, the plastic sheet needs to be first heat processed and formed; then the edge of the formed packaging box is punched, and in the punching process, the packaging box body is not completely separated from the plastic frame; then the packaging box body is completely separated from the plastic frame by the adsorption device, and is conveyed to the packing table for packing treatment. However, due to uneven cutting, the packaging box body cannot be completely separated from the plastic frame in the adsorption process, which may cause the packaging box body to drive part of the plastic frame to be conveyed to the packing table, thereby affecting the packing of the packaging box body. SUMMARY

[0004] In order to improve the problem of residual plastic frame at the edge of the packaging box, the utility model provides a new positive pressure and negative pressure three station thermoplastic forming machine.

[0005] The utility model provides a positive pressure and negative pressure three station thermoplastic forming machine, adopts the following technical scheme: including thermoplastic forming device, the positive face fixed connection control panel of thermoplastic forming device, the right side fixed connection of thermoplastic forming device punch cutting device, the right side of punch cutting device is set up discharge gate, its characterized in that: the positive below of discharge gate is equipped with conveyer belt no.

[0006] The upper surfaces of the conveyer belt no. and the conveyer belt no. 2 are provided with axisymmetric guide columns, the guide column surfaces are sleeved with electric sliding sleeves, a sliding rod is arranged between every two electric sliding sleeves, the sliding rod is provided with an adsorption assembly, and the upper surface of the conveyer belt no. is provided with a plurality of limiting frame assemblies.

[0007] The left and right side walls of the discharge gate are provided with guide plates.

[0008] By adopting the above technical scheme, when the device as a whole is working, the phenomenon that the plastic frame of the packaging box is not separated can be effectively avoided.

[0009] Optionally, the adsorption assembly is in an inverted "concave" shape as a whole, the adsorption assembly comprises an electric suction cup and a cutting tool, the electric suction cup is fixedly installed on the inner wall of the adsorption assembly, the cutting tool is fixedly installed on the left and right sides of the adsorption assembly, and the cutting tool is made of soft steel.

[0010] By adopting the above technical scheme, when the adsorption assembly adsorbs the packaging box, the plastic frame left on the edge of the packaging box can be cut off by the cutting tool.

[0011] Optionally, the limiting frame assembly comprises a scraper, a fixed plate, a damper one, a damper two and a clamping plate, the limiting frame assembly is in a "concave" shape as a whole, the diameter of the limiting frame assembly is consistent with the diameter of the adsorption assembly, and the limiting frame assembly is in a left-low and right-high arrangement.

[0012] By adopting the above technical scheme, the limiting frame assembly can limit the processed packaging box, so that the uneven phenomenon is avoided, and the shape of the limiting frame assembly can effectively enable the packaging box to enter the inside of the limiting frame assembly.

[0013] Optionally, the scraper is embedded in the right inner wall of the limiting frame assembly, the right end surface of the scraper is provided with the damper one, and the other end of the damper one is fixedly connected with the fixed plate.

[0014] By adopting the above technical scheme, the plastic frame left on the edge of the packaging box can be further removed by the scraper.

[0015] Optionally, a plurality of scrapers can be arranged in a protruding long and short vertical arrangement, and the shape of the scraper is in a sharp triangular shape.

[0016] By adopting the above technical scheme, the fine plastic frame left on the edge of the packaging box can be effectively removed.

[0017] Optionally, a groove is formed in the left inner wall of the limiting frame assembly, the groove is internally provided with an axisymmetric damper two, the other end of the damper two is fixedly connected with a clamping plate, the clamping plate is in a rectangular shape, the diameter of the clamping plate is consistent with the diameter of the groove, and the clamping plate is always attached to the inner wall of the groove.

[0018] By adopting the above technical scheme, the packaging box can be effectively limited.

[0019] Optionally, the flow guide plates are arranged on the left and right sides of the discharge port and extend to the inside of the conveying belt one, the flow guide plates are in a semi-concave shape, the surface of the flow guide plates is provided with a plurality of flow guide particles, and the flow guide particles are in a rollable state.

[0020] By adopting the above technical scheme, the packaging box can smoothly enter the inside of the limiting frame assembly.

[0021] Optionally, the conveying belt one is arranged immediately below the discharge port and closely matches the position of the discharge port.

[0022] By adopting the above technical scheme, the falling phenomenon of the packaging box is avoided, and the packaging box can directly enter the limiting frame assembly.

[0023] In summary, the utility model has the following beneficial effects:

[0024] The plastic frame remaining at the edge of the packaging box can be effectively scraped off by the scraper, and since the limiting frame assembly is arranged with the left part being lower than the right part, when the suction assembly suctions the packaging box, the electric suction disc will generate suction force, first suctioning the left side of the packaging box, and the right side will pass through the different scrapers in layers, so that the scraper can scrape off the plastic frame remaining at the edge of the packaging box, and when the packaging box enters the limiting frame assembly, the scrapers with different lengths can scrape off the remaining plastic frame at the edge of the packaging box once, and when the suction assembly suctions the packaging box, the scrapers can scrape off the remaining plastic frame at the edge of the packaging box again. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a schematic view of the overall structure of the utility model.

[0026] Figure 2 is a schematic view of the limiting frame structure of the utility model.

[0027] Figure 3 is a schematic view of the suction assembly structure of the utility model.

[0028] Figure 4 is a schematic view of the deflector structure of the utility model

[0029] MARKS OF THE DRAWINGS:

[0030] 1, thermoplastic forming device;101, control panel;2, punching device;201, discharge port;3, conveying belt one;301, motor;302, guide column;303, electric sliding sleeve;304, sliding rod;4, suction assembly;401, electric suction disc;402, chip cutter;5, limiting frame assembly;501, scraper;502, fixed plate;503, damper one;504, damper two;505, clamping plate;6, deflector;601, deflector particle, 7, conveying belt two. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings of the embodiments of the utility model Figures 1-4The technical solutions of the embodiments of the present application are clearly and completely described, and obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] Please refer to Figures 1-4 A positive and negative pressure three-station thermoplastic forming machine, comprising a thermoplastic forming device 1, the thermoplastic forming device 1 is fixedly connected with a control panel 101 in front, the right side of the thermoplastic forming device 1 is fixedly connected with a punching device 2, the right side of the punching device 2 is provided with a discharge port 201, characterized in that: the lower side of the discharge port 201 is provided with a conveying belt one 3, the lower side of the conveying belt one 3 is fixedly connected with a motor 301, the right side of the conveying belt one 3 is provided with a conveying belt two 7, and the output end of the motor 301 is in driving connection with the conveying belt one 3 and the conveying belt two 7 through external transmission shafts.

[0033] The upper surfaces of the conveying belt one 3 and the conveying belt two 7 are provided with axisymmetric guide columns 302, the guide columns 302 are provided with electric sliding sleeves 303, each two electric sliding sleeves 303 are provided with a sliding rod 304, the sliding rod 304 is provided with a suction assembly 4, and the upper surface of the conveying belt one 3 is provided with a plurality of limiting frame assemblies 5.

[0034] The left and right side walls of the discharge port 201 are provided with flow guides 6.

[0035] The thermoplastic forming device 1, the punching device 2, the motor 301, the electric sliding sleeve 303 and the electric suction disc 401 are electrically connected with the control panel 101, the packaging box is discharged from the discharge port 201 after being processed by the thermoplastic forming device 1 and the punching device 2, at this time, the packaging box is smoothly introduced into the limiting frame assemblies 5 through the flow guides 6, the electric sliding sleeve 303 is started to drive the suction assembly 4 to move up and down and left and right at the guide columns 302 and the sliding rod 304, so as to suck the packaging box, and since a group of guide columns 302 are arranged on the surface of the conveying belt two 7, the suction assembly can drive the packaging box to move to the conveying belt two 7, and further processing of the packaging box is completed.

[0036] Refer to Figure 1 , Figure 2 and Figure 3, the adsorption assembly 4 is integrally arranged in an inverted "concave" shape, the adsorption assembly 4 comprises an electric suction cup 401 and a cutting chip knife 402, wherein the electric suction cup 401 is fixedly installed on the inner wall of the adsorption assembly 4, the cutting chip knife 402 is fixedly installed on the left and right sides of the adsorption assembly 4, and the cutting chip knife 402 is made of soft steel, the limiting frame assembly 5 comprises a scraper 501, a fixed plate 502, a damper one 503, a damper two 504 and a clamping plate 505, the limiting frame assembly 5 is integrally arranged in a "concave" shape, and the diameter of the limiting frame assembly 5 is consistent with the diameter of the adsorption assembly 4, a groove is formed in the left inner wall of the limiting frame assembly 5, and the inside of the groove is provided with the axisymmetric damper two 504, and the other end of the damper two 504 is fixedly connected with the clamping plate 505, the clamping plate 505 is arranged in a rectangular shape, and the diameter of the clamping plate 505 is consistent with the diameter of the groove, and the clamping plate 505 is always attached to the inner wall of the groove, and the limiting frame assembly 5 is arranged in a left-low and right-high manner, when the packaging box is discharged from the discharge port 201, the packaging box falls into the inside of the limiting frame assembly 5, and since the packaging box is made of plastic material, the packaging box will form gravity when falling, so that the packaging box changes along with the shape of the limiting frame assembly 5, and at this time the right side of the packaging box is pressed against the scraper 501, so that the left side of the packaging box is pressed into the left groove of the limiting frame assembly 5, and at this time the damper two 504 is driven to shrink the clamping plate 505 under pressure, so as to limit the left side of the packaging box.

[0037] And the scraper 501 can effectively scrape off the plastic frame remaining at the edge of the packaging box, and since the limiting frame assembly 5 is integrally arranged in a left-low and right-high manner, when the adsorption assembly 4 adsorbs the packaging box, the electric suction cup 401 will generate suction, first the left side of the packaging box will be sucked out, and the right side will pass through the different layers of protruding scrapers 501, at this time the scraper 501 can scrape off the plastic frame remaining at the edge of the packaging box.

[0038] Referring to Figure 2 , the scraper 501 can be provided in multiple numbers and arranged vertically by protruding lengths, and the shape of the scraper 501 is arranged in a sharp triangular shape, when the packaging box enters the inside of the limiting frame assembly 5, the scrapers 501 with different lengths can scrape off the remaining edge of the packaging box once, and when the adsorption assembly 4 adsorbs the packaging box, the scraper 501 can scrape off the remaining edge of the packaging box again.

[0039] Referring to Figure 2 and Figure 3The guide plate 6 is arranged on the left and right sides of the discharge port 201 and extends to the inner side of the conveying belt 3. The guide plate 6 is arranged in a semi-concave manner, and the surface of the guide plate 6 is provided with a plurality of guide particles 601. The guide particles 601 are arranged in a rollable state. The conveying belt 3 is arranged directly below the discharge port 201 and closely adheres to the position of the discharge port 201. When the packaging box is discharged from the discharge port 201, the packaging box is guided into the inside of the limiting frame assembly 5 by the guide plate 6. Since the guide plate 6 is arranged in a semi-concave manner, the guide plate 6 is located outside the limiting frame assembly 5 and is 5 cm away from the outside of the limiting frame assembly 5. In addition, the conveying belt 3 is located directly below the discharge port 201, so that when the packaging box is discharged from the discharge port 201, it can smoothly enter the inside of the limiting frame assembly 5.

Claims

1. A positive and negative pressure three-station thermoplastic molding machine, comprising a thermoplastic molding device (1), a control panel (101) fixedly connected to the front of the thermoplastic molding device (1), a punching device (2) fixedly connected to the right side of the thermoplastic molding device (1), and a discharge port (201) opened on the right side of the punching device (2), characterized in that: The lower side of the discharge port (201) is provided with a conveying belt one (3), the lower side of the conveying belt one (3) is fixedly connected with a motor (301), the right side of the conveying belt one (3) is provided with a conveying belt two (7), and the output end of the motor (301) is connected with the conveying belt one (3) and the conveying belt two (7) through external transmission shafts. The upper surfaces of the conveying belt one (3) and the conveying belt two (7) are provided with axisymmetric guide columns (302), the guide columns (302) are provided with electric sliding sleeves (303), every two electric sliding sleeves (303) are provided with sliding rods (304), the sliding rods (304) are provided with suction assemblies (4), and the upper surface of the conveying belt one (3) is provided with a plurality of limiting frame assemblies (5). The left and right side walls of the discharge port (201) are provided with guide plates (6).

2. The positive and negative pressure three-station thermoforming machine of claim 1, wherein: The suction assembly (4) is provided in an inverted "concave" shape, the suction assembly (4) comprises an electric suction disc (401) and a cutting chip knife (402), the electric suction disc (401) is fixedly installed on the inner wall of the suction assembly (4), the cutting chip knife (402) is fixedly installed on the left and right sides of the suction assembly (4), and the cutting chip knife (402) is made of soft steel.

3. The positive and negative pressure three-station thermoforming machine of claim 1, wherein: The limiting frame assembly (5) comprises a scraper (501), a fixed plate (502), a damper one (503), a damper two (504) and a clamping plate (505), the limiting frame assembly (5) is provided in a "concave" shape, the diameter of the limiting frame assembly (5) is consistent with the diameter of the suction assembly (4), and the limiting frame assembly (5) is provided in a left-low and right-high manner.

4. The positive and negative pressure three-station thermoforming machine of claim 3, wherein: The right end surface of the scraper (501) is provided with the damper one (503), and the other end of the damper one (503) is fixedly connected with the fixed plate (502).

5. The positive and negative pressure three-station thermoforming machine of claim 3, wherein: The limiting frame assembly (5) is provided with a plurality of scrapers (501) arranged in a protruding lengthwise vertical manner, and the scrapers (501) are all provided in a sharp triangular shape.

6. The positive and negative pressure three-station thermoforming machine of claim 1, wherein: The left inner wall of the limiting frame assembly (5) is provided with a groove, the groove is provided with axisymmetric dampers two (504) in the inside, the other end of the damper two (504) is fixedly connected with the clamping plate (505), the clamping plate (505) is provided in a rectangular shape, the diameter of the clamping plate (505) is consistent with the diameter of the groove, and the clamping plate (505) is always attached to the inner wall of the groove.

7. The positive and negative pressure three-station thermoforming machine of claim 1, wherein: The guide plates (6) are arranged on the left and right sides of the discharge port (201) and extend to the inside of the conveying belt one (3), the guide plates (6) are provided in a half concave shape, and the guide plates (6) are provided with a plurality of guide particles (601) on the surfaces, and the guide particles (601) are provided in a rollable state.

8. The positive and negative pressure three-station thermoforming machine of claim 1, wherein: The conveying belt one (3) is arranged directly below the discharge port (201) and closely attached to the position of the discharge port (201).

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