Multifunctional integrated blow molding machine

By designing a multi-functional integrated blow molding machine with a mixing and feeding mechanism, the problems of uneven material distribution and mixing were solved, achieving uniform material input and improving bottle production efficiency.

CN223493844UActive Publication Date: 2025-10-31LIUYANG DAHAO PLASTIC IND CO LTD
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Patent Information

Application Number
CN202423006924.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-10-31
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

The anti-clogging components of existing blow molding machines are ineffective, resulting in uneven material feeding, which makes it easy for bubbles to form in the molten material and makes it impossible to effectively mix various masterbatches, thus reducing work efficiency.

Method used

A multi-functional integrated blow molding machine was designed, which includes a mixing mechanism and a feeding mechanism. The mixing tank and the conveying rod achieve uniform mixing of materials, and the threaded rod controls the speed at which the materials enter the extrusion module. Combined with the mold assembly and the processing mechanism, the machine can form bottles and cut off excess materials.

Benefits of technology

It achieves uniform material entry and thorough mixing, improving production efficiency. Furthermore, the cutting mechanism enhances bottle production efficiency and solves the problems of uneven material distribution and mixing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional integrated blow molding machine, which relates to the technical field of blow molding machines, and comprises a base, the top of the base is respectively provided with an extrusion module and a driving assembly, one end of the extrusion module is fixedly provided with an extrusion head, the top of the extrusion module is provided with a feeding mechanism, the top of the feeding mechanism is provided with a stirring mechanism, and the stirring mechanism is provided with a feeding mechanism. And the feeding mechanism comprises a feeding pipe, and the feeding pipe is fixedly mounted at the top of the extrusion module. Through the arrangement of the stirring mechanism and the feeding mechanism, various master batches can be added into the stirring mechanism to be stirred and mixed, then materials are uniformly added into the extrusion module through rotation of the material conveying rod, the feeding mechanism can control feeding of the materials, adjustment is facilitated according to specific use conditions, the practicability is improved, and the production efficiency is improved. And through the arrangement of the machining mechanism, redundant materials at the top and the bottom of the bottle can be cut after blow molding is completed, and the production efficiency of the bottle is improved.
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Description

Technical Field

[0001] This utility model relates to the field of blow molding machine technology, specifically a multi-functional integrated blow molding machine. Background Technology

[0002] Blow molding, also known as hollow blow molding, is a rapidly developing plastic processing method. The tubular plastic preform obtained by extrusion or injection molding of thermoplastic resin is placed in a split mold while hot. After the mold is closed, compressed air is immediately introduced into the preform, causing the plastic preform to inflate and adhere tightly to the inner wall of the mold. After cooling and demolding, various hollow products are obtained. Blow molding machines are required in the production of plastic bottles for beverages such as mineral water.

[0003] A blow molding machine, according to announcement number CN218366419U, includes a base and a blow molding machine body, with the machine body placed on the base. It also includes a feeding hopper and an anti-blocking component to prevent blockage of the feeding hopper's inner cavity. An anti-blocking shaft drives an anti-blocking paddle to rotate, which in turn draws material from the feeding hopper's outlet into the blow molding machine body for blow molding, preventing blockage of the feeding hopper's inner cavity. However, the anti-blocking component is ineffective, failing to ensure uniform material distribution within the extrusion module, leading to uneven material distribution. This results in air bubbles forming in the molten material, making it difficult to mix multiple masterbatches and requiring the direct addition of pre-mixed material, thus reducing work efficiency.

[0004] Based on this, a multi-functional integrated blow molding machine is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this invention is to provide a multi-functional integrated blow molding machine to solve the problems of poor performance of anti-clogging components and uneven material feeding in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A multi-functional integrated blow molding machine includes a base, and an extrusion module and a drive assembly are respectively provided on the top of the base. An extrusion head is fixedly installed at one end of the extrusion module.

[0008] The top of the extrusion module is provided with a feeding mechanism, and the top of the feeding mechanism is provided with a stirring mechanism. The feeding mechanism includes a feed pipe, which is fixedly installed on the top of the extrusion module. A branch pipe is fixedly connected to the outside of the feed pipe. One end of the branch pipe has a threaded rod with a threaded connection. One end of the threaded rod is provided with a knob, and the other end of the threaded rod is provided with a plug, which is located inside the branch pipe.

[0009] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0010] In one alternative embodiment: the stirring mechanism includes a stirring tank, which is fixedly installed on the top of the feed pipe. A top cover is fixedly installed on the top of the stirring tank. A first motor is fixedly installed at the center point of the top of the top cover. The output end of the first motor is provided with a drive shaft, which is located inside the stirring tank. Stirring blades are provided at equal intervals on the outside of the drive shaft. A conveying rod is fixedly connected to the bottom end of the drive shaft, and the bottom end of the conveying rod extends into the inside of the feed pipe. A feed trough is provided on one side of the top of the top cover.

[0011] In one alternative: support rods are fixedly installed in a ring at equal intervals at the bottom of the mixing tank, and the support rods are fixedly installed to the extrusion module.

[0012] In one alternative: the drive assembly includes a mounting slot, in which a lead screw is rotatably mounted, the input end of the lead screw is connected to a third motor, and the third motor is fixedly mounted to the base.

[0013] In one alternative: a mold assembly is provided on the outside of the lead screw.

[0014] In one alternative embodiment: the mold assembly includes a movable frame, which is threadedly connected to a lead screw. A limiting rod and a positive / negative screw are respectively provided on both sides of the inner side of the movable frame, and the positive / negative screw is rotatably mounted to the movable frame. A second motor is connected to the input end of the positive / negative screw, and the second motor is fixedly mounted to the movable frame. The mold body is symmetrically threaded to the outside of the positive / negative screw, and the mold body is slidably mounted to the limiting rod. A blow molding hole is provided at the top of the mold body.

[0015] In one alternative: a processing mechanism is provided on the outer side of the extrusion module.

[0016] In one alternative embodiment: the processing mechanism includes a fixed frame, which is fixedly installed on the outer side of the extrusion module. A first hydraulic cylinder is fixedly installed on one side of the fixed frame, and a blow molding tube is fixedly installed at the output end of the first hydraulic cylinder. A connecting pipe is fixedly connected to the outside of the blow molding tube. A sliding rod is slidably installed through the other side of the fixed frame. A cutting blade is fixedly installed at one end of the sliding rod, and a fixed plate is fixedly installed at the other end of the sliding rod. A second hydraulic cylinder is fixedly installed on one side of the fixed plate, and the second hydraulic cylinder is fixedly installed to the fixed frame.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] 1. This utility model, through the setting of a stirring mechanism and a feeding mechanism, allows multiple masterbatches to be added to the stirring mechanism for mixing, and then the material is evenly added to the extrusion module by rotating the conveyor rod. The feeding mechanism can control the entry of the material, which is convenient to adjust according to the specific use, thus improving practicality.

[0019] 2. By setting up a processing mechanism, this utility model can cut off the excess material at the top and bottom of the bottle after blow molding, thereby improving the efficiency of bottle production. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the feeding mechanism of this utility model.

[0022] Figure 3 This is a schematic diagram of the mold assembly structure of this utility model.

[0023] Figure 4 This is a schematic diagram of the processing mechanism of this utility model.

[0024] Figure reference numerals: 1. Base; 2. Extrusion module; 3. Feeding mechanism; 301. Feed pipe; 302. Branch pipe; 303. Threaded rod; 304. Knob; 305. Plug; 4. Stirring mechanism; 401. Stirring tank; 402. Top cover; 403. First motor; 404. Drive shaft; 405. Stirring blade; 406. Feeding rod; 407. Feed chute; 5. Mold assembly; 501. Moving frame; 502. 503. Limiting rod; 504. Forward and reverse screws; 505. Second motor; 506. Mold body; 507. Blow molding hole; 6. Machining mechanism; 608. Fixing frame; 609. First hydraulic cylinder; 600. Blow molding tube; 600. Connecting tube; 600. Slide rod; 601. Cutting blade; 602. Fixing plate; 603. Second hydraulic cylinder; 7. Mounting groove; 8. Lead screw; 9. Third motor; 10. Extrusion head; 11. Support rod. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0026] In one embodiment, such as Figures 1-4 As shown, a multi-functional integrated blow molding machine includes a base 1, and an extrusion module 2 and a drive assembly are respectively provided on the top of the base 1. An extrusion head 10 is fixedly installed at one end of the extrusion module 2.

[0027] The top of the extrusion module 2 is provided with a feeding mechanism 3, and the top of the feeding mechanism 3 is provided with a stirring mechanism 4. The feeding mechanism 3 includes a feed pipe 301, which is fixedly installed on the top of the extrusion module 2. A branch pipe 302 is fixedly connected to the outside of the feed pipe 301. One end of the branch pipe 302 is threaded through a threaded rod 303. One end of the threaded rod 303 is provided with a knob 304, and the other end of the threaded rod 303 is provided with a plug 305, which is located inside the branch pipe 302.

[0028] In this embodiment, both the extrusion module 2 and the extrusion head 10 are existing mature technologies for blow molding machines, and need not be elaborated further. First, the material is placed inside the mixing mechanism 4 and stirred. The stirred material then enters the extrusion module 2 through the feeding mechanism 3. The extrusion module 2 heats and melts the material and conveys it. Finally, it is extruded through the extrusion head 10. When the extrusion module 2 does not need to receive material, the screw rod 303 is rotated by turning the knob 304. The rotation of the screw rod 303 effectively changes the position of the plug 305, causing the plug 305 to enter the feed pipe 301 and block it, preventing the material from continuing to enter the extrusion module 2 through the feed pipe 301. At the same time, by changing the size of the internal space of the feed pipe 301 through the plug 305, the speed at which the material enters the extrusion module 2 can be adjusted. Alternatively, when the blow molding machine is not used for a long time, dust and water can be prevented from entering the extrusion module 2 through the feed pipe 301.

[0029] In one embodiment, such as Figure 1 and Figure 2As shown, the stirring mechanism 4 includes a stirring tank 401, which is fixedly installed on the top of the feed pipe 301. A top cover 402 is fixedly installed on the top of the stirring tank 401. A first motor 403 is fixedly installed at the center point of the top of the top cover 402. The output end of the first motor 403 is provided with a drive shaft 404, which is located inside the stirring tank 401. Stirring blades 405 are equidistantly arranged on the outside of the drive shaft 404. A conveying rod 406 is fixedly connected to the bottom end of the drive shaft 404, and the bottom end of the conveying rod 406 extends into the inside of the feed pipe 301. A feed groove 407 is opened on one side of the top of the top cover 402 for feeding. Tank 407 adds various masterbatches into the mixing tank 401. The first motor 403 drives the drive shaft 404 to rotate, which in turn drives the mixing blades 405 to rotate. This effectively mixes various specified amounts of masterbatches into the required material. At the same time, the drive shaft 404 drives the conveying rod 406 to rotate, which conveys the material upward, making the material more thoroughly mixed. After the material is mixed, the first motor 403 rotates in the opposite direction, and the conveying rod 406 rotates in the opposite direction to convey the material at a uniform speed into the feed pipe 301. This effectively prevents the feed pipe 301 from becoming blocked, and at the same time, the conveying speed is uniform, avoiding the formation of air pockets inside the extrusion module 2 due to uneven material distribution.

[0030] In one embodiment, such as Figure 1 and Figure 2 As shown, support rods 11 are fixedly installed in a ring at equal intervals at the bottom of the mixing tank 401, and the support rods 11 are fixedly installed with the extrusion module 2. The setting of support rods 11 improves the stability of the installation of the mixing mechanism 4.

[0031] In one embodiment, such as Figure 1 As shown, the drive assembly includes a mounting slot 7, in which a lead screw 8 is rotatably mounted. The input end of the lead screw 8 is connected to a third motor 9, and the third motor 9 is fixedly mounted to the base 1. The lead screw 8 is driven to rotate by the operation of the third motor 9.

[0032] In one embodiment, such as Figure 1 As shown, a mold assembly 5 is provided on the outside of the lead screw 8. The forward and reverse rotation of the lead screw 8 drives the mold assembly 5 to move left and right.

[0033] In one embodiment, such as Figure 3As shown, the mold assembly 5 includes a movable frame 501, which is threadedly connected to the lead screw 8. A limiting rod 502 and a positive / negative screw 503 are respectively provided on both sides of the inner side of the movable frame 501, and the positive / negative screw 503 is rotatably mounted to the movable frame 501. A second motor 504 is connected to the input end of the positive / negative screw 503, and the second motor 504 is fixedly mounted to the movable frame 501. The mold body 505 is symmetrically threadedly connected to the outer side of the positive / negative screw 503, and the mold body 505 is slidably mounted to the limiting rod 502. The top of the mold body 505 is provided with a blow molding hole 506. When the mold assembly 5 moves directly below the extrusion head 10, the extrusion module 2 works to extrude the molten material through the extrusion head 10. The second motor 504 works to drive the positive and negative screws 503 to rotate. The rotation of the positive and negative screws 503 drives the two mold bodies 505 to move together. The two mold bodies 505 move closer to each other, so that the extruded material is clamped between the two mold bodies 505. The material at the extrusion head 10 is cut off by the blade. The third motor 9 works to drive the mold assembly 5 to move directly below the blow molding tube 603.

[0034] In one embodiment, such as Figure 1 As shown, a processing mechanism 6 is provided on the outer side of the extrusion module 2. The processing mechanism 6 is used to complete blow molding and cutting of excess edge material.

[0035] In one embodiment, such as Figure 4 As shown, the processing mechanism 6 includes a fixing frame 601, which is fixedly installed on the outer side of the extrusion module 2. A first hydraulic cylinder 602 is fixedly installed on one side of the fixing frame 601, and a blow molding tube 603 is fixedly installed at the output end of the first hydraulic cylinder 602. A connecting pipe 604 is fixedly connected to the outside of the blow molding tube 603. A sliding rod 605 is slidably installed through the other side of the fixing frame 601. A cutting blade 606 is fixedly installed at one end of the sliding rod 605, and a fixing plate 607 is fixedly installed at the other end of the sliding rod 605. A second hydraulic cylinder 608 is fixedly installed on one side of the fixing plate 607, and the second hydraulic cylinder 608 is fixedly installed to the fixing frame 601. The first hydraulic cylinder 602 drives the blow molding tube 603 to move downwards. The blow molding tube 603 is inserted into the material through the blow molding hole 506. The connecting pipe 604 is connected to the air pump. When the air pump works, it pours air into the material through the connecting pipe 604. The material expands due to the air and adheres to the groove inside the mold body 505, thus completing the blow molding process. After the material cools and solidifies, the blow molding tube 603 moves upwards. The contraction of the second hydraulic cylinder 608 drives the fixed plate 607 to move. The fixed plate 607 drives the slide rod 605 to slide. The slide rod 605 drives the cutting blade 606 to move, effectively cutting off the excess material at the top and bottom of the mold body 505. Then the two mold bodies 505 are separated, and the blow-molded bottle is removed.

[0036] The above embodiment discloses a multi-functional integrated blow molding machine. Multiple masterbatches are added to the mixing tank 401 via the feeding trough 407. A first motor 403 drives a drive shaft 404 to rotate, which in turn drives a mixing blade 405 to rotate, effectively mixing multiple specified amounts of masterbatches into the desired material. Simultaneously, the drive shaft 404 drives a conveyor rod 406 to rotate, conveying the material upwards for more thorough mixing. After mixing, the first motor 403 rotates in the opposite direction, and the conveyor rod 406 rotates in the opposite direction to uniformly convey the material into the feeding pipe 301. When the mold assembly 5 moves directly below the extruder head 10, the extrusion module 2 extrudes the molten material through the extruder head 10. A second motor 504 drives a forward and reverse screw 503 to rotate, causing the two mold bodies 505 to move together, bringing them closer together. The extruded material is clamped between the two mold bodies 505. The material at the extrusion head 10 is cut off by the blade. The third motor 9 drives the mold assembly 5 to move directly below the blow molding tube 603. The first hydraulic cylinder 602 drives the blow molding tube 603 to move downward. The blow molding tube 603 is inserted into the material through the blow molding hole 506. The connecting pipe 604 is connected to the air pump. The air pump pours air into the material through the connecting pipe 604. The material expands due to the air and adheres to the groove inside the mold body 505, thus completing the blow molding process. After the material cools and solidifies, the blow molding tube 603 moves upward. The contraction of the second hydraulic cylinder 608 drives the fixed plate 607 to move. The fixed plate 607 drives the slide rod 605 to slide. The slide rod 605 drives the cutting blade 606 to move, effectively cutting off the excess material at the top and bottom of the mold body 505. Then the two mold bodies 505 are separated, and the blow-molded bottle is removed.

[0037] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A multi-functional integrated blow molding machine, comprising a base (1), wherein an extrusion module (2) and a drive assembly are respectively provided on the top of the base (1), and an extrusion head (10) is fixedly installed at one end of the extrusion module (2). Its features are, The top of the extrusion module (2) is provided with a feeding mechanism (3), and the top of the feeding mechanism (3) is provided with a stirring mechanism (4). The feeding mechanism (3) includes a feed pipe (301), which is fixedly installed on the top of the extrusion module (2). A branch pipe (302) is fixedly connected to the outside of the feed pipe (301). One end of the branch pipe (302) is connected to a threaded rod (303) with a threaded connection. One end of the threaded rod (303) is provided with a knob (304), and the other end of the threaded rod (303) is provided with a plug (305), which is located inside the branch pipe (302).

2. The multi-functional integrated blow molding machine according to claim 1, characterized in that, The stirring mechanism (4) includes a stirring tank (401), which is fixedly installed on the top of the feed pipe (301). A top cover (402) is fixedly installed on the top of the stirring tank (401). A first motor (403) is fixedly installed at the center point of the top of the top cover (402). The output end of the first motor (403) is provided with a drive shaft (404), and the drive shaft (404) is located inside the stirring tank (401). Stirring blades (405) are provided at equal intervals on the outside of the drive shaft (404). A conveying rod (406) is fixedly connected to the bottom end of the drive shaft (404), and the bottom end of the conveying rod (406) extends into the inside of the feed pipe (301). A feed groove (407) is opened on one side of the top of the top cover (402).

3. The multi-functional integrated blow molding machine according to claim 2, characterized in that, The bottom of the mixing tank (401) is fixedly equipped with support rods (11) at equal intervals in a ring, and the support rods (11) are fixedly installed with the extrusion module (2).

4. The multi-functional integrated blow molding machine according to claim 1, characterized in that, The drive assembly includes a mounting slot (7), in which a lead screw (8) is rotatably mounted. The input end of the lead screw (8) is connected to a third motor (9), and the third motor (9) is fixedly mounted to the base (1).

5. A multi-functional integrated blow molding machine according to claim 4, characterized in that, The lead screw (8) is provided with a mold assembly (5) on its exterior.

6. A multi-functional integrated blow molding machine according to claim 5, characterized in that, The mold assembly (5) includes a movable frame (501), which is threadedly connected to the lead screw (8). The movable frame (501) is provided with a limiting rod (502) and a positive and negative screw (503) on its inner two sides respectively. The positive and negative screw (503) is rotatably installed with the movable frame (501). The input end of the positive and negative screw (503) is connected to a second motor (504), and the second motor (504) is fixedly installed with the movable frame (501). The mold body (505) is symmetrically threadedly connected to the outside of the positive and negative screw (503), and the mold body (505) is slidably installed with the limiting rod (502). The top of the mold body (505) is provided with a blow molding hole (506).

7. A multi-functional integrated blow molding machine according to claim 1, characterized in that, The extrusion module (2) is provided with a processing mechanism (6) on its outer side.

8. A multi-functional integrated blow molding machine according to claim 7, characterized in that, The processing mechanism (6) includes a fixed frame (601), which is fixedly installed on the outer side of the extrusion module (2). A first hydraulic cylinder (602) is fixedly installed on one side of the fixed frame (601). A blow molding tube (603) is fixedly installed at the output end of the first hydraulic cylinder (602). A connecting pipe (604) is fixedly connected to the outside of the blow molding tube (603). A sliding rod (605) is slidably installed through the other side of the fixed frame (601). A cutting blade (606) is fixedly installed at one end of the sliding rod (605). A fixing plate (607) is fixedly installed at the other end of the sliding rod (605). A second hydraulic cylinder (608) is fixedly installed on one side of the fixing plate (607). The second hydraulic cylinder (608) and the fixed frame (601) are fixedly installed.

Citation Information

Patent Citations

  • Blow molding machine

    CN218366419U