Full-automatic plastic uptake forming machine and plastic uptake forming process thereof

Through the fully automatic blister forming machine and forming process, the use of hot air blower heating, negative pressure pump vacuum adsorption and 3D printing molds has solved the problems of cumbersome operation and low degree of automation in the existing technology, and achieved efficient and precise blister processing.

CN120663513APending Publication Date: 2025-09-19YANCHENG HANYANG TECH CO LTD
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Patent Information

Application Number
CN202510743195.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-05
Publication Date
2025-09-19

AI Technical Summary

Technical Problem

The existing blister forming process is complicated to operate, has a low degree of automation, low production efficiency, and poor quality of finished products, making it difficult to promote its use.

Method used

A fully automatic blister forming machine was designed, which included a support component, a processing component, a material feeding component and a film blowing component. A hot air blower was used for uniform heating, a negative pressure pump was used for vacuum adsorption, a 3D printer was used to make the blister mold, and trimming equipment was used for trimming to achieve fully automated processing.

Benefits of technology

It improves the molding quality and production efficiency, shortens the mold making cycle, improves the durability of the mold and the dimensional accuracy of the plastic sheet, and significantly improves the efficiency of hydraulic blistering.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a full-automatic plastic uptake forming machine and a plastic uptake forming process thereof, and relates to the technical field of plastic uptake processing.The full-automatic plastic uptake forming machine comprises a supporting assembly, a processing assembly, a material feeding assembly and a film blowing assembly, the processing assembly is fixedly installed at the bottom of the supporting assembly, and the processing assembly comprises a plastic uptake machine body and a negative pressure pump; the supporting assembly comprises a supporting plate and an electric conveying belt, the electric conveying belt is fixedly installed in the supporting plate, and the material putting assembly is fixedly installed at the top of the supporting assembly. According to the plastic uptake forming machine, plastic uptake pulling is more uniform, the sheet material forming quality is high, the later-stage mold treatment time is short, the plastic uptake product size precision is high, the mold durability is high, plastic sheets obtained after plastic uptake forming are cooled and hardened according to the preset plastic uptake forming time, the hydraulic plastic uptake efficiency is remarkably improved, and the hot air blower conveys hot air to the raw material sheets subsequently, so that the plastic uptake forming efficiency is improved. The heating uniformity is improved, the quality is improved, and meanwhile the production efficiency can be effectively improved.
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Description

Technical Field

[0001] The invention relates to the technical field of blister processing, in particular to a full-automatic blister forming machine and a blister forming process thereof. Background Art

[0002] Blister forming is a plastics processing technology that heats and softens a flat, rigid plastic sheet, then vacuum-adsorbs it onto a mold surface. After cooling, it forms the finished product. It is widely used in industries such as plastic packaging, lighting, advertising, and decoration. Blister forming, also known as vacuum forming, is a thermoplastic forming method. Sheet or plate material is clamped to the frame of a vacuum forming machine. After heating and softening, it is vacuum-adsorbed onto the mold through air channels along the mold edge. After a short cooling period, the finished plastic product is obtained.

[0003] The existing blister processing has a relatively simple molding process, the operation is very cumbersome, the quality of the finished product is poor, the degree of automation is low, and production needs to be carried out in steps, which affects production efficiency and is not easy to promote and use.

[0004] In order to solve the problems existing in the prior art, the present invention provides a full-automatic plastic suction forming machine and a plastic suction forming process thereof. Summary of the Invention

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: A fully automatic blister forming machine includes a support assembly, a processing assembly, a material feeding assembly and a film blowing assembly. The processing assembly is fixedly installed at the bottom of the support assembly. The processing assembly includes a blister machine body and a negative pressure pump. The support assembly includes a support plate and an electric conveyor belt. The electric conveyor belt is fixedly installed inside the support plate. The material feeding assembly is fixedly installed on the top of the support assembly. The material feeding assembly includes a material reel, an electric heating inner tube and a mounting frame. The material reel is rotatably connected to the inside of the mounting frame. The film blowing assembly is fixedly installed on the top of the support plate. The film blowing assembly includes a hot air blower, a discharge barrel and a support rod.

[0006] A further improvement of the technical solution of the present invention is that a top plate is fixedly installed on the top of the support rod, air-permeable grilles are provided on both sides of the hot air blower, the hot air blower is fixedly installed on the top of the top plate, and a nozzle is fixedly installed on the bottom of the hot air blower.

[0007] A further improvement of the technical solution of the present invention is that a mounting rod is fixedly installed at the bottom of the support rod, the discharge barrel is rotatably connected between the two mounting rods, the mounting rod is fixedly installed on the top of the support plate, and a controller is fixedly installed on the front of the support rod.

[0008] A further improvement of the technical solution of the present invention is that: a mounting base is fixedly installed on the bottom of the mounting frame, the mounting base is fixedly installed on the top of the support plate, a feeding motor is fixedly installed on the front of the mounting frame, the output end of the feeding motor is fixed to one end of the material reel, a welding rod is fixedly installed on the top of the mounting base, the electric heating inner tube is fixedly installed inside the welding rod, one of the electric heating inner tubes is rotatably connected to the first limiting cylinder, and the other electric heating inner tube is rotatably connected to the second limiting cylinder.

[0009] A further improvement of the technical solution of the present invention is that: a support frame is fixedly installed on the bottom of the support plate, a processing groove is opened through the top of the support plate, and a mounting groove is provided in the first section of the support plate.

[0010] A further improvement of the technical solution of the present invention is that: the negative pressure pump is fixedly installed inside the main body of the blister machine, an air pipe is fixedly installed on one side of the main body of the blister machine, one end of the air pipe is connected to the negative pressure pump, and a mounting frame is fixedly installed on the top of the main body of the blister machine, and the mounting frame is fixedly installed on the bottom of the support plate, a blister groove is provided inside the mounting frame, and a negative pressure air hole is provided at the bottom of the blister groove.

[0011] A blister forming process, comprising the following: S1. Prepare production materials: Prepare blister molds of appropriate sizes according to processing and production requirements, and select raw material sheets of different thicknesses according to product usage requirements; S2. Material preheating: Place the selected raw material sheet inside the feeding mechanism and feed the sheet into the heating component. The heating component heats the raw material sheet until it is completely softened. The heating component is controlled at 160-200°C. The heating component uses a roller to limit the raw material sheet so that the raw material sheet is aligned and adheres to the surface of the heating roller to complete the heating and softening. S3, processing and molding: After the raw material sheet is heated and softened, it is continued to be conveyed to the bottom of the hot air equipment, and the hot air equipment is turned on for blowing. Under the action of the hot air flow, the raw material sheet bulges downward, and the negative pressure pump is turned on to vacuum the mold at the bottom of the raw material sheet. Under vacuum adsorption, the raw material sheet is attached to the inner wall of the blister mold for molding; S4. Finished product cutting: After the raw material sheet forming process is completed, wait for it to cool and harden. After cooling and hardening, the cooled and formed semi-finished product is transported through a conveyor belt. The conveyor belt transports the semi-finished product to the cutting and polishing area, and the trimming equipment is used to trim the semi-finished product scraps to complete the finished product processing and thus complete the entire process.

[0012] A further improvement of the technical solution of the present invention is that when preparing the blister mold, a 3D printer is used to print a blister mold blank of corresponding size according to the actual size of the object, and then the staff uses an electric milling machine to further process the shape of the blister mold to obtain a blister mold for production.

[0013] Due to the adoption of the above technical solution, the present invention has the following technical advancements compared to the prior art: The present invention provides a fully automatic blister forming machine and a blister forming process thereof. Hot air equipment is used for blowing. Under the action of the hot air flow, the raw material sheet is blown downward, the sheet is pulled more evenly by blister forming, the sheet forming quality is high, the edge trimming equipment is used to trim the semi-finished product scraps, the mold is made by using a 3D printer to print a blister mold of corresponding size, the production cycle is moderate, the later mold processing time is short, the blister product size accuracy is high, the mold durability is strong, the plastic sheet after blister forming is cooled and hardened according to the predetermined blister forming time, and the hydraulic blister forming efficiency is significantly improved.

[0014] The present invention provides a fully automatic plastic blister forming machine and a plastic blister forming process thereof. Under the action of a hot air blower, the hot air blower subsequently conveys hot air to the raw material sheet, thereby improving the uniformity of heating, improving the quality and effectively improving the production efficiency.

[0015] The present invention provides a fully automatic plastic suction forming machine and its plastic suction forming process. Under the joint action of a first limiting cylinder and a second limiting cylinder, the first limiting cylinder and the second limiting cylinder are respectively rotatably connected to the outside of two electrically heated inner tubes. The first limiting cylinder and the second limiting cylinder limit the raw material sheet and heat it at the same time, thereby realizing fully automatic processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the fully automatic plastic blister forming machine of the present invention; Figure 2 It is a structural schematic diagram of the support assembly of the present invention; Figure 3 It is a structural schematic diagram of the material delivery component of the present invention; Figure 4 It is a structural schematic diagram of the film blowing assembly of the present invention; Figure 5 It is a structural schematic diagram of the processing assembly of the present invention; Figure 6 It is a schematic diagram of the process structure of the plastic suction molding process of the present invention.

[0017] In the figure: 1. Support assembly; 11. Support plate; 12. Support frame; 13. Processing trough; 14. Electric conveyor belt; 15. Mounting trough; 2. Processing assembly; 21. Mounting frame; 22. Vacuum forming machine body; 23. Negative pressure pump; 24. Air pipe; 25. Vacuum forming trough; 26. Negative pressure air hole; 3. Material feeding assembly; 31. Mounting base; 32. Mounting frame; 33. Material reel; 34. Feeding motor; 35. Welding rod; 36. First limiting cylinder; 37. Second limiting cylinder; 38. Electric heating inner tube; 4. Film blowing assembly; 41. Mounting rod; 42. Support rod; 43. Controller; 44. Hot air blower; 45. Breathable grille; 46. Nozzle; 47. Discharge barrel; 48. Top plate. DETAILED DESCRIPTION

[0018] The present invention is described in further detail below in conjunction with the embodiments: like Figure 1-5 As shown, the present invention provides a fully automatic blister forming machine, including a support component 1, a processing component 2, a material feeding component 3 and a film blowing component 4, the processing component 2 is fixedly installed at the bottom of the support component 1, the processing component 2 includes a blister machine body 22 and a negative pressure pump 23, the support component 1 includes a support plate 11 and an electric conveyor belt 14, the electric conveyor belt 14 is fixedly installed inside the support plate 11, a support frame 12 is fixedly installed at the bottom of the support plate 11, a processing groove 13 is opened through the top of the support plate 11, and a mounting groove 15 is provided in the first section of the support plate 11, the material feeding component 3 is fixedly installed on the top of the support component 1, the material feeding component 3 includes a material reel 33, an electric heating inner tube 38 and a mounting frame 32, the material reel 33 is rotatably connected to the inside of the mounting frame 32, the film blowing component 4 is fixedly installed on the top of the support plate 11, and the film blowing component 4 includes a hot air blower 44, a discharge barrel 47 and a support rod 42.

[0019] A top plate 48 is fixedly installed on the top of the support rod 42, and air grilles 45 are provided on both sides of the hot air blower 44. The hot air blower 44 is fixedly installed on the top of the top plate 48. During production, the hot air blower 44 is used to transport hot air to the raw material sheets, thereby improving the uniformity of heating, improving the quality and effectively improving the production efficiency. A nozzle 46 is fixedly installed on the bottom of the hot air blower 44, and a mounting rod 41 is fixedly installed on the bottom of the support rod 42. The discharge cylinder 47 is rotatably connected between the two mounting rods 41. The mounting rod 41 is fixedly installed on the top of the support plate 11. A controller 43 is fixedly installed on the front of the support rod 42. A mounting base plate 31 is fixedly installed on the bottom of the mounting frame 32. The mounting base plate 31 is fixedly installed on the top of the support plate 11. A feeding motor 34 is fixedly installed on the front of the mounting frame 32. The output end of the feeding motor 34 is connected to the material reel. One end of 33 is fixed, and a welding rod 35 is fixedly installed on the top of the mounting base 31. The electric heating inner tube 38 is fixedly installed inside the welding rod 35. The outside of one electric heating inner tube 38 is rotatably connected to the first limiting cylinder 36, and the outside of the other electric heating inner tube 38 is rotatably connected to the second limiting cylinder 37. The first limiting cylinder 36 and the second limiting cylinder 37 limit the raw material sheet while heating it to achieve fully automatic processing. The negative pressure pump 23 is fixedly installed inside the blister machine body 22, and an air pipe 24 is fixedly installed on one side of the blister machine body 22. One end of the air pipe 24 is connected to the negative pressure pump 23. The top of the blister machine body 22 is fixedly installed with a mounting frame 21, and the mounting frame 21 is fixedly installed on the bottom of the support plate 11. A blister groove 25 is provided inside the mounting frame 21, and a negative pressure air hole 26 is provided at the bottom of the blister groove 25.

[0020] like Figure 6 As shown, the present invention provides a blister forming process, including the following contents: S1. Prepare production materials: Prepare blister molds of appropriate sizes according to processing and production requirements, select raw material sheets of different thicknesses according to product usage requirements, and use a 3D printer to print blister mold blanks of corresponding sizes according to the actual size of the item when preparing the blister mold. Then, the staff uses an electric milling machine to further process the shape of the blister mold to obtain the blister mold for production; S2. Material preheating: Place the selected raw material sheet inside the feeding mechanism and feed the sheet into the heating component. The heating component heats the raw material sheet until it is completely softened. The heating component is controlled at 160-200°C. The heating component uses a roller to limit the raw material sheet so that the raw material sheet is aligned and adheres to the surface of the heating roller to complete the heating and softening. S3, processing and molding: After the raw material sheet is heated and softened, it is continued to be conveyed to the bottom of the hot air equipment, and the hot air equipment is turned on for blowing. Under the action of the hot air flow, the raw material sheet bulges downward, and the negative pressure pump is turned on to vacuum the mold at the bottom of the raw material sheet. Under vacuum adsorption, the raw material sheet is attached to the inner wall of the blister mold for molding; S4. Finished product cutting: After the raw material sheet forming process is completed, wait for it to cool and harden. After cooling and hardening, the cooled and formed semi-finished product is transported through a conveyor belt. The conveyor belt transports the semi-finished product to the cutting and polishing area, and the trimming equipment is used to trim the semi-finished product scraps to complete the finished product processing and thus complete the entire process.

[0021] The following is a detailed description of the working principle of the fully automatic blister forming machine and its blister forming process.

[0022] like Figure 1-6As shown, according to the processing and production requirements, a blister mold of appropriate size is prepared, and raw material sheets of different thicknesses are selected according to the use requirements of the product. When preparing the blister mold, a blister mold blank of corresponding size is printed using a 3D printer according to the actual size of the object. Subsequently, the staff uses an electric milling machine to perform deep processing on the shape of the blister mold to obtain a blister mold for production. The selected raw material sheet is placed inside the feeding mechanism, and the sheet is fed into the heating component. The heating component heats the raw material sheet until it is completely softened. The heating component is controlled at 160-200°C. The heating component uses a roller to limit the raw material sheet so that the raw material sheet is aligned and adheres to the surface of the heating roller to complete heating and softening. After the raw material sheet is heated and softened, it continues to be conveyed to the bottom of the hot air device, and the hot air device is turned on for blowing. Under the action of the hot air flow, the raw material sheet bulges downward, and the negative pressure pump 23 is turned on to vacuum the bottom mold of the raw material sheet. Under vacuum adsorption, the raw material sheet is adhered to the inner wall of the blister mold for forming. The hot air device is used for blowing. Under the action of the hot air flow, the raw material sheet bulges downward. The plastic pulling is more uniform, the sheet forming quality is high, the edge trimming equipment is used to trim the semi-finished product scraps, the mold making uses a 3D printer to print the corresponding size of the blister mold, the production cycle is moderate, the later mold processing time is short, the blister product size accuracy is high, the mold durability is strong, and the plastic sheet after blister forming is cooled and hardened according to the predetermined blister forming time, which significantly improves the efficiency of hydraulic blister forming. After the raw material sheet forming process is completed, wait for it to cool and harden. After cooling and hardening, the cooled and formed semi-finished product is conveyed through a conveyor belt, and the conveyor belt conveys the semi-finished product to At the cutting and grinding area, trimming equipment is used to trim the semi-finished scraps to complete the finished product processing and thus complete the entire process. The hot air blower 44 is fixedly installed on the top of the top plate 48. During production, the hot air blower 44 is used to transport hot air to the raw material sheets to improve the uniformity of heating, improve the quality and effectively improve production efficiency. The first limiting cylinder 36 and the second limiting cylinder 37 are respectively rotatably connected to the outside of the two electric heating inner tubes 38. The first limiting cylinder 36 and the second limiting cylinder 37 limit the raw material sheets while heating them to achieve fully automatic processing.

[0023] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made based on the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A fully automatic vacuum forming machine, comprising a support assembly (1), a processing assembly (2), a material feeding assembly (3) and a film blowing assembly (4), characterized in that: The processing assembly (2) is fixedly mounted on the bottom of the support assembly (1), the processing assembly (2) includes a vacuum forming machine body (22) and a negative pressure pump (23), the support assembly (1) includes a support plate (11) and an electric conveyor belt (14), the electric conveyor belt (14) is fixedly mounted inside the support plate (11), the material delivery assembly (3) is fixedly mounted on the top of the support assembly (1), the material delivery assembly (3) includes a material reel (33), an electric heating inner tube (38) and a mounting frame (32), the material reel (33) is rotatably connected to the inside of the mounting frame (32), the film blowing assembly (4) is fixedly mounted on the top of the support plate (11), and the film blowing assembly (4) includes a hot air blower (44), a discharge barrel (47) and a support rod (42).

2. The fully automatic plastic blister forming machine according to claim 1, characterized in that: A top plate (48) is fixedly mounted on the top of the support rod (42), air permeable grilles (45) are provided on both sides of the hot air blower (44), the hot air blower (44) is fixedly mounted on the top of the top plate (48), and a nozzle (46) is fixedly mounted on the bottom of the hot air blower (44).

3. The fully automatic plastic blister forming machine according to claim 2, characterized in that: A mounting rod (41) is fixedly mounted on the bottom of the support rod (42), the discharge cylinder (47) is rotatably connected between the two mounting rods (41), the mounting rod (41) is fixedly mounted on the top of the support plate (11), and a controller (43) is fixedly mounted on the front of the support rod (42).

4. The fully automatic plastic blister forming machine according to claim 1, characterized in that: A mounting base plate (31) is fixedly mounted on the bottom of the mounting frame (32), and the mounting base plate (31) is fixedly mounted on the top of the support plate (11). A feeding motor (34) is fixedly mounted on the front of the mounting frame (32), and the output end of the feeding motor (34) is fixed to one end of the material reel (33). A welding rod (35) is fixedly mounted on the top of the mounting base plate (31), and the electric heating inner tube (38) is fixedly mounted inside the welding rod (35). The outside of one of the electric heating inner tubes (38) is rotatably connected to a first limiting cylinder (36), and the outside of the other electric heating inner tube (38) is rotatably connected to a second limiting cylinder (37).

5. The fully automatic plastic blister forming machine according to claim 1, characterized in that: A support frame (12) is fixedly mounted on the bottom of the support plate (11), a processing groove (13) is provided through the top of the support plate (11), and a mounting groove (15) is provided on the first section of the support plate (11).

6. The fully automatic plastic blister forming machine according to claim 1, characterized in that: The negative pressure pump (23) is fixedly installed inside the blister machine body (22); an air pipe (24) is fixedly installed on one side of the blister machine body (22); one end of the air pipe (24) is communicated with the negative pressure pump (23); a mounting frame (21) is fixedly installed on the top of the blister machine body (22); the mounting frame (21) is fixedly installed on the bottom of the support plate (11); a blister groove (25) is provided inside the mounting frame (21); and a negative pressure air hole (26) is provided at the bottom of the blister groove (25).

7. A blister forming process comprising the following, characterized in that: S1. Prepare production materials: Prepare blister molds of appropriate sizes according to processing and production requirements, and select raw material sheets of different thicknesses according to product usage requirements; S2. Material preheating: Place the selected raw material sheet inside the feeding mechanism and feed the sheet into the heating component. The heating component heats the raw material sheet until it is completely softened. The heating component is controlled at 160-200°C. The heating component uses a roller to limit the raw material sheet so that the raw material sheet is aligned and adheres to the surface of the heating roller to complete the heating and softening. S3, processing and molding: After the raw material sheet is heated and softened, it is continued to be conveyed to the bottom of the hot air equipment, and the hot air equipment is turned on for blowing. Under the action of the hot air flow, the raw material sheet bulges downward, and the negative pressure pump is turned on to vacuum the mold at the bottom of the raw material sheet. Under vacuum adsorption, the raw material sheet is attached to the inner wall of the blister mold for molding; S4. Finished product cutting: After the raw material sheet forming process is completed, wait for it to cool and harden. After cooling and hardening, the cooled and formed semi-finished product is transported through a conveyor belt. The conveyor belt transports the semi-finished product to the cutting and polishing area, and the trimming equipment is used to trim the semi-finished product scraps to complete the finished product processing and thus complete the entire process.

8. The blister forming process according to claim 7, characterized in that: When preparing the blister mold, a 3D printer is used to print the blister mold blank of the corresponding size according to the actual size of the object. Then the staff uses an electric milling machine to further process the shape of the blister mold to obtain the blister mold for production.