Blow molding machine for large-capacity single-layer beer filling bottle

By using a servo motor-driven beer bottle conveyor belt, a hydraulic cylinder-driven mold connector, and a guide slide structure, combined with the design of an air mandrel separation and blow molding channel, the problem of damage caused by impact during the beer bottle molding process is solved, achieving stable separation and efficient molding of beer bottles.

CN223918645UActive Publication Date: 2026-02-17ZHEJIANG LEBAO PLASTICS EQUIP FACTORY
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Patent Information

Application Number
CN202520513849.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-17
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

In existing technologies, the distance between the formed beer bottles and the conveying mechanism is relatively large, resulting in a large impact force between the freely falling beer bottles and the conveyor belt, which can easily cause damage to the beer bottles and reduce the pass rate.

Method used

The beer bottle conveyor belt is driven by a servo motor, combined with a mold connecting seat and guide slide structure driven by a hydraulic cylinder to reduce the distance between the mold and the conveyor belt. Stable separation of beer bottles is achieved through an air mandrel and air supply pipeline. Blow molding is performed using a blow molding channel and a melt feed seat, and a support pad is provided for cushioning.

Benefits of technology

It effectively reduces wear and tear on beer bottles, improves the molding qualification rate, ensures stable separation and molding quality of beer bottles, and enhances production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223918645U_ABST
Patent Text Reader

Abstract

The utility model provides a large-capacity single-layer beer filling bottle blow molding machine which comprises a first machine frame, a second machine frame, a back plate and a servo motor, the back face of the back plate is installed on the top of the second machine frame through bolts, and a mold connecting base is installed on the front face of the back plate. The second forming die is installed on the front face of the die connecting base through bolts, the first forming die and the second forming die are connected in a combined mode, an oil cylinder is installed on the top of the front face of the back plate, and an output shaft of the oil cylinder is connected with the die connecting base; the oil cylinder is installed on the top of the front face of the back plate, and the output shaft of the oil cylinder is connected with the die connecting base. The oil cylinder can drive the mold connecting seat to move up and down, so that the heights from the first forming mold and the second forming mold to the belt conveying frame are reduced, the impact force of falling beer bottles is reduced, the abrasion of the beer bottles is reduced, and meanwhile, a guide sliding strip is arranged, so that better guiding is facilitated; and the mold connecting seat is good in stability and high in movement precision in the up-and-down movement process.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to blow molding machine technical field relates to large capacity single layer beer filling bottle blow molding machine. BACKGROUND

[0002] Most of large capacity single layer beer filling bottle is pet beer bottle, which is a beer bottle made of polyethylene terephthalate as material, after high temperature heating, through blow molding, extrusion blow molding or injection molding beer filling container.

[0003] Prior art such as patent application publication no. CN220198457U discloses a filling machine filling bottle forming structure, including support seat, the support seat is installed with automatic opening and closing mechanism, two moulds are installed on the automatic opening and closing mechanism, the automatic opening and closing mechanism includes: transmission rod, first screw thread, second screw thread, first screw thread sleeve, second screw thread sleeve, limit rod, lengthening plate and first motor, transmission rod is rotatably connected on the support seat, first motor is fixed on the support seat, the output shaft of first motor is connected with transmission rod, the left half of transmission rod is provided with first screw thread, the outside of first screw thread is installed with first screw thread sleeve, the right half of transmission rod is provided with second screw thread, the outside of second screw thread is installed with the second screw thread sleeve matched therewith, the first screw thread sleeve and the second screw thread sleeve are all installed with one limit rod inserted into the support seat, the first screw thread sleeve and the second screw thread sleeve are all fixed with one lengthening plate. The scheme is convenient for blanking, convenient for material collection, and high in working efficiency.

[0004] The above-mentioned mechanism has the following disadvantages: although the blanking is convenient, the distance between the formed beer bottle and the conveying mechanism is large, and the impact force between the free-falling beer bottle and the conveying belt can cause damage to the newly formed beer bottle, thereby reducing the qualified rate. Therefore, we design a large capacity single layer beer filling bottle blow molding machine. SUMMARY

[0005] The utility model discloses a large capacity single layer beer filling bottle blow molding machine to solve the problems raised in the above background.

[0006] The utility model discloses a large capacity single layer beer filling bottle blow molding machine, including first frame, second frame, backboard, servo motor, first forming die and second forming die, the top of first frame is provided with the belt conveying frame, and the conveying roller shaft department of belt conveying frame is installed with beer bottle conveying belt, and the main conveying roller shaft department of belt conveying frame is connected with servo motor and drives beer bottle conveying belt reciprocating motion, the back of backboard is installed on the top of second frame through bolt, the front surface of backboard is installed with die connecting seat, second forming die is installed on the front surface of die connecting seat through bolt and first forming die is connected with second forming die, and the blow molding cavity of beer bottle is arranged between first forming die and second forming die, the top of backboard front surface is installed with oil cylinder, and the output shaft of oil cylinder is connected with die connecting seat, both ends of die connecting seat are installed with guide slide strip, the front surface of backboard is provided with two open grooves, the guide slide strip is corresponded to the open groove in slide and makes die connecting seat go up along the front surface of backboard, the top of die connecting seat is provided with horizontal rail, the bottom of horizontal rail is installed with electric drive sliding block, the bottom of electric drive sliding block is provided with L type connecting frame, and the vertical frame of L type connecting frame is bolted with the side portion of first forming die.

[0007] In the above-mentioned large capacity single layer beer filling bottle blow molding machine, the inner side of the second forming die is provided with two air jacks, the two air jacks correspond to the beer bottle blow molding cavity, and the end of the air jack is flush with the outer contour of the beer bottle blow molding cavity. A gas supply pipeline is installed on the gas path of each air jack inside the inner wall of the second forming die, and the gas supply pipeline is connected to an external gas source. The purpose of this arrangement is to separate the formed beer filling bottle from the beer bottle blow molding cavity, and after the first forming die and the second forming die are separated, the beer filling bottle can be separated from the second forming die and fall on the beer bottle conveying belt under the action of gravity, achieving good separation effect and ensuring the effectiveness of separation.

[0008] In the above-mentioned large capacity single layer beer filling bottle blow molding machine, the top of the first forming die and the second forming die forms a blow molding channel which communicates with the beer bottle blow molding cavity. A blow molding pipe is arranged inside the blow molding channel, the blow molding pipe is inserted into the inside of the beer bottle blow molding cavity, and a molten material feeding seat is installed at the end of the blow molding pipe. A flow divider body is arranged at the top of the molten material feeding seat. The purpose of this arrangement is to facilitate the connection of the gas source and the injection molding machine for conveying hot molten raw materials through the flow divider body. When the hot molten raw materials enter the beer bottle blow molding cavity, the gas source supplies gas and blows up, causing the hot molten raw materials to be blown onto the beer bottle blow molding cavity, thereby producing beer bottles.

[0009] In the large-capacity single-layer beer filling bottle blow molding machine, the bottom end of the back plate is provided with a stop plate, the top end of the stop plate is provided with a guide column, and the guide column is connected with a guide channel at the bottom end of the mold connecting base.

[0010] In the large-capacity single-layer beer filling bottle blow molding machine, the top end of the beer bottle conveying belt is provided with a plurality of supporting pads.

[0011] Compared with the prior art, the large-capacity single-layer beer filling bottle blow molding machine has the advantages that: the oil cylinder is installed at the top of the front surface of the back plate, and the output shaft of the oil cylinder is connected with the mold connecting base; the oil cylinder can drive the mold connecting base to move up and down, so that the height of the first forming mold and the second forming mold from the belt conveying frame is reduced, the impact force of the falling beer bottles is reduced, the wear of the beer bottles is reduced, and the guide slide is provided, the mold connecting base is moved up along the front surface of the back plate through the sliding seat in the opening sliding groove, and the guide column is connected with the guide channel at the bottom end of the mold connecting base, so that the mold connecting base is better guided, stable during up and down movement, and high in movement precision.

[0012] Two air jacks are arranged on the inner side of the second forming mold, the air jacks correspond to the beer bottle blow molding cavity, the end of the air jacks is flush with the outer contour of the beer bottle blow molding cavity, a gas supply pipeline is arranged on the inner wall of the second forming mold at the gas path of the two air jacks, and the gas supply pipeline is connected with an external gas source; the formed beer filling bottle can be separated from the beer bottle blow molding cavity, the beer filling bottle can be separated from the second forming mold after the first forming mold and the second forming mold are separated, and the beer filling bottle falls on the beer bottle conveying belt under the action of gravity, has good separation effect, and ensures the effectiveness of separation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a perspective structural schematic view of the large-capacity single-layer beer filling bottle blow molding machine.

[0014] Figure 2 is a perspective structural schematic view of the blow molding pipe of the large-capacity single-layer beer filling bottle blow molding machine, which is connected with the first forming mold and the second forming mold.

[0015] Figure 3It is the three-dimensional structure schematic view of the mold connecting seat of the large-capacity single-layer beer filling bottle blow molding machine.

[0016] Figure 4 It is the structural schematic view of the beer bottle blow molding cavity of the large-capacity single-layer beer filling bottle blow molding machine.

[0017] In the figure, 1, first rack; 2, second rack; 3, backboard; 4, belt conveying frame; 5, servo motor; 6, beer bottle conveying belt; 7, supporting pad; 8, first forming die; 9, second forming die; 10, stop plate; 11, oil cylinder; 12, mold connecting seat; 13, guide slide; 14, transverse rail; 15, electric drive sliding block; 16, L-shaped connecting frame; 17, blow molding channel; 18, blow molding pipe; 19, molten material feeding seat; 20, shunt valve body; 21, guide column; 22, opening sliding groove; 23, beer bottle blow molding cavity; 24, air top head; 25, gas supply pipeline. DETAILED DESCRIPTION

[0018] The following is a specific embodiment of the utility model and is combined with the drawings, and the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0019] As Figure 1 , Figure 2 , Figure 3 and Figure 4 indicated, the utility model discloses a large-capacity single-layer beer filling bottle blow molding machine,

[0020] Embodiment one: the molding machine includes but is not limited to the following structure: first rack 1, second rack 2, backboard 3, servo motor 5, first forming die 8 and second forming die 9, the top of first rack 1 is provided with belt conveying frame 4, the conveying roller shaft of belt conveying frame 4 is installed with beer bottle conveying belt 6, and the main conveying roller shaft of belt conveying frame 4 is connected with servo motor 5 and drives beer bottle conveying belt 6 to reciprocate.

[0021] The back of the back plate 3 is bolted to the top of the second frame 2. A mold connecting seat 12 is installed on the front of the back plate 3. The second forming mold 9 is bolted to the front of the mold connecting seat 12, and the first forming mold 8 and the second forming mold 9 are connected in a mold-closing manner. A hydraulic cylinder 11 is installed at the top of the front of the back plate 3. The output shaft of the hydraulic cylinder 11 is connected to the mold connecting seat 12. Guide slides 13 are installed at both ends of the mold connecting seat 12. Two open slide grooves 22 are opened on the front of the back plate 3. The guide slides 13 are aligned with the open slide grooves 22 through the slide blocks, so that the mold connecting seat 12 moves upward along the front of the back plate 3. A transverse rail 14 is provided at the top of the mold connecting seat 12. An electric drive slider 15 is installed at the bottom of the transverse rail 14. An L-shaped connecting frame 16 is provided at the bottom of the electric drive slider 15. The vertical frame of the L-shaped connecting frame 16 is bolted to the side of the first forming mold 8.

[0022] The solution aims to reduce the impact of falling beer bottles and minimize wear and tear on them.

[0023] Example 2: The molding machine includes, but is not limited to, the following structure: a first frame 1, a second frame 2, a back plate 3, a servo motor 5, a first molding die 8 and a second molding die 9. A belt conveyor frame 4 is provided at the top of the first frame 1. A beer bottle conveyor belt 6 is installed at the conveyor roller shaft of the belt conveyor frame 4. The main conveyor roller shaft of the belt conveyor frame 4 is connected to the servo motor 5 and drives the beer bottle conveyor belt 6 to reciprocate.

[0024] The back of the back plate 3 is bolted to the top of the second frame 2. The front of the back plate 3 is equipped with a mold connecting seat 12. The distance between the mold connecting seat 12 and the belt conveyor frame 4 is greater than the height of the molded beer bottle.

[0025] like Figure 4 As shown, two air mandrels 24 are provided on the inner side of the second molding mold 9. The two air mandrels 24 correspond to the beer bottle blow molding cavity 23 and the ends of the air mandrels 24 are flush with the outer contour of the beer bottle blow molding cavity 23. Air supply pipes 25 located on the inner wall of the second molding mold 9 are installed at the air passages of the two air mandrels 24 and the air supply pipes 25 are connected to an external air source.

[0026] The solution is designed to separate the molded beer bottle from the beer bottle blow molding cavity. After the first molding mold 8 and the second molding mold 9 are separated, the beer bottle can be separated from the second molding mold 9 and fall onto the beer bottle conveyor belt 6 under the action of gravity, which has a good separation effect and ensures the effectiveness of the separation.

[0027] In both the first and second embodiments, a beer bottle blow molding cavity 23 is provided between the first molding mold 8 and the second molding mold 9. A blow molding channel 17 is formed on the top of the first molding mold 8 and the second molding mold 9, and the blow molding channel 17 communicates with the beer bottle blow molding cavity 23. A blow molding tube 18 is provided inside the blow molding channel 17. The blow molding tube 18 is inserted into the beer bottle blow molding cavity 23, and a melt feed seat 19 is installed at the end of the blow molding tube 18. A diversion valve body 20 is provided at the top of the melt feed seat 19.

[0028] The diversion valve body 20 is a valve structure that allows gas and hot molten raw materials to enter the corresponding blow molding tube 18 and molten material feed seat 19 through different flow channels.

[0029] Furthermore, such as Figure 1 and Figure 3 As shown, in order to ensure that the mold connecting seat 12 has a certain position limiting effect during the movement, the mold connecting seat 12, after being in position, allows the first forming mold 8 and the second forming mold 9 to contact the beer bottle conveyor belt 6. A stop plate 10 is installed at the bottom of the back plate 3, and a guide post 21 is provided at the top of the stop plate 10. The guide post 21 is connected to the guide channel at the bottom of the mold connecting seat 12.

[0030] Furthermore, to ensure a good cushioning effect and better support the beer bottles, multiple support pads 7 are provided at the top of the beer bottle conveyor belt 6. The support pads 7 can be arranged at equal intervals to ensure sufficient time for beer bottle forming, while also saving on the amount of support pads 7 used.

[0031] Contents not described in detail herein are existing technologies known to those skilled in the art. The specific embodiments described herein are merely illustrative examples illustrating the spirit of this invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this invention or exceeding the scope defined by the appended claims.

Claims

1. A large-capacity single-layer beer bottle blow molding machine, comprising a first frame (1), a second frame (2), a back plate (3), a servo motor (5), a first molding die (8), and a second molding die (9), wherein a belt conveyor frame (4) is provided at the top of the first frame (1), a beer bottle conveyor belt (6) is installed at the conveyor roller shaft of the belt conveyor frame (4), and the main conveyor roller shaft of the belt conveyor frame (4) is connected to the servo motor (5) and drives the beer bottle conveyor belt (6) to reciprocate, characterized in that, The back of the back plate (3) is bolted to the top of the second frame (2). A mold connecting seat (12) is mounted on the front of the back plate (3). The second molding mold (9) is bolted to the front of the mold connecting seat (12), and the first molding mold (8) and the second molding mold (9) are connected in a mold-closing connection. A beer bottle blow molding cavity (23) is provided between the first molding mold (8) and the second molding mold (9). A hydraulic cylinder (11) is mounted on the top of the front of the back plate (3), and the output shaft of the hydraulic cylinder (11) is connected to the mold connecting seat (12). The mold connecting seat (12) has... Guide slides (13) are installed at both ends. Two open slide grooves (22) are opened on the front of the back plate (3). The guide slides (13) correspond to the open slide grooves (22) through the slide block, so that the mold connecting seat (12) moves up along the front of the back plate (3). A transverse rail (14) is provided at the top of the mold connecting seat (12). An electric drive slider (15) is installed at the bottom of the transverse rail (14). An L-shaped connecting frame (16) is provided at the bottom of the electric drive slider (15). The vertical frame of the L-shaped connecting frame (16) is bolted to the side of the first forming mold (8).

2. The large-capacity single-layer beer bottle blow molding machine according to claim 1, characterized in that, The inner side of the second molding die (9) is provided with two air mandrels (24), which correspond to the beer bottle blow molding cavity (23) and the ends of the air mandrels (24) are flush with the outer contour of the beer bottle blow molding cavity (23).

3. The large-capacity single-layer beer bottle blow molding machine according to claim 2, characterized in that, Both of the air mandrels (24) are equipped with air supply pipes (25) located on the inner wall of the second molding die (9), and the air supply pipes (25) are connected to an external air source.

4. The large-capacity single-layer beer bottle blow molding machine according to claim 1, characterized in that, The top of the first molding die (8) and the second molding die (9) are formed with a blow molding channel (17) and the blow molding channel (17) is connected to the beer bottle blow molding cavity (23). The blow molding channel (17) is provided with a blow molding tube (18), which is inserted into the beer bottle blow molding cavity (23) and a melt feed seat (19) is installed at the end of the blow molding tube (18). The top of the melt feed seat (19) is provided with a diversion valve body (20).

5. The large-capacity single-layer beer bottle blow molding machine according to claim 1, characterized in that, The bottom end of the back plate (3) is equipped with a stop plate (10), and the top end of the stop plate (10) is provided with a guide post (21). The guide post (21) is connected to the guide channel at the bottom end of the mold connecting seat (12).

6. The large-capacity single-layer beer bottle blow molding machine according to claim 1, characterized in that, The top of the beer bottle conveyor belt (6) is provided with multiple support pads (7).

Citation Information

Patent Citations

  • Filling bottle forming structure of filling machine

    CN220198457U