A mold locking mechanism suitable for a blow-fill-seal integrated machine

Abstract

The present application relates to a kind of mould locking mechanism suitable for blow fill seal integrated machine, including drive device mounting seat and power element mounting plate, the inner groove upper end of the both ends of drive device mounting seat is movably connected with one head mould swing arm, the inner groove lower end of the both ends of drive device mounting seat is movably connected with one bottle body mould swing arm;The rear side of power element mounting plate is connected with head mould power component and bottle body mould power component;Head mould power component is connected with two head mould swing arms by first swing arm component, and bottle body mould power component is connected with two bottle body mould swing arms by second swing arm component;The first swing arm component and second swing arm component are same structure, the present application can avoid the pollution caused by hydraulic cylinder leakage, more energy-saving, maintenance is convenient, cost is lower, improve use cost and equipment production product's qualified rate, improve economic benefits.

Description

Technical Field

[0001] This invention relates to a mold locking mechanism suitable for a blow-fill-seal integrated machine. Background Technology

[0002] The mold locking mechanism of the blow-fill-seal machine is installed on the machine frame. When the tube preform is extruded from the extruder die, it needs to be formed, filled and sealed in the mold. In conventional mold locking mechanisms, hydraulic cylinders are used as the power actuators. However, hydraulic cylinders have a major drawback: they are prone to leakage. Moreover, the mold locking mechanism is usually located in a clean area, which makes it easy to contaminate the clean area. Furthermore, leaked hydraulic oil is difficult to clean up.

[0003] In the production process of a blow-fill-seal machine, the first step is to form the preform extruded from the extruder die into the bottle mold. This process involves using a power actuator to close and lock the two parts of the bottle mold and maintain pressure for a period of time, allowing the preform to be formed into the bottle body through vacuum or air blowing. The second step is filling the formed bottle body. The third step is sealing, which involves using a power actuator to close and lock the two parts of the head mold and maintain pressure for a period of time, allowing the preform to be formed into the product head through vacuum or air blowing. These three steps complete the product production. Conventional bottle mold and head mold closing and locking mechanisms use hydraulic cylinders as the power actuator. However, hydraulic cylinders have a significant drawback: they are prone to leakage. Furthermore, the mold locking mechanism is usually located in a clean area, making it easy to contaminate the clean area, and leaked hydraulic oil is difficult to clean completely.

[0004] Therefore, a mold locking mechanism suitable for blow-fill-seal integrated machines is proposed to address the above problems. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of existing methods and provide a mold locking mechanism suitable for blow-fill-seal integrated machines. This mechanism can avoid pollution caused by hydraulic cylinder leakage, is more energy-efficient, easier to maintain, and has lower costs, thereby improving operating costs and the qualification rate of products produced by the equipment, and increasing economic benefits.

[0006] The technical solution to achieve the above objective is as follows: a mold locking mechanism suitable for a blow-fill-seal integrated machine, comprising a drive device mounting base and a power element mounting plate. A head mold swing arm is movably connected to the upper end of the inner groove at each end of the drive device mounting base, and a bottle mold swing arm is movably connected to the lower end of the inner groove at each end of the drive device mounting base. A head mold power assembly and a bottle mold power assembly are connected to the rear side of the power element mounting plate. The head mold power assembly connects two head mold swing arms via a first swing arm assembly, and the bottle mold power assembly connects two bottle mold swing arms via a second swing arm assembly. The first and second swing arm assemblies have identical structures. Multiple mold hinge seat guide rods are connected between the power element mounting plate and the drive device mounting base. The ends of the two head mold swing arms away from the power element mounting plate are connected to the head mold, and the ends of the two bottle mold swing arms away from the power element mounting plate are connected to the bottle mold.

[0007] Preferably, a mold swing arm rotating pin sleeve is provided in the middle of the head mold swing arm and the bottle body mold swing arm. The mold swing arm rotating pin passes through the mold swing arm rotating pin sleeve on the head mold swing arm and the bottle body mold swing arm respectively. The two ends of the mold swing arm rotating pin protrude from the upper and lower end faces of the drive device mounting base. The upper end face of the drive device mounting base is connected to a first pin positioning plate. One end of the first pin positioning plate is connected to the upper end of the mold swing arm rotating pin.

[0008] Preferably, each of the two bottle mold swing arms is provided with a bottle mold rolling bearing at the end away from the power element mounting plate, and the bottle mold rolling bearing is connected to the bottle mold swing arm through a bottle mold bearing pin.

[0009] Preferably, each of the two head mold swing arms is provided with a head mold rolling bearing at the end away from the power element mounting plate, and the head mold rolling bearing is connected to the head mold swing arm through a head mold bearing pin.

[0010] Preferably, the head mold power assembly includes a head mold motor transmission component and a head mold motor, and the bottle mold power assembly includes a bottle mold motor transmission component and a bottle mold motor. The bottle mold motor is connected to the bottle mold motor transmission component, and the head mold motor is connected to the head mold motor transmission component. The front ends of the head mold motor transmission component and the bottle mold motor transmission component are connected to the rear side of the power element mounting plate, and the head mold motor transmission component is located above the bottle mold motor transmission component.

[0011] Preferably, each of the two head mold swing arms and the two bottle mold swing arms is connected to a mold swing arm hinge seat at one end near the power element mounting plate. A mold swing arm connecting pin sleeve is provided in the hole concentric with the head mold swing arm and in the hole concentric with the bottle mold swing arm. The mold swing arm connecting pin passes through the mold swing arm connecting pin sleeve, and a second pin positioning plate is connected to the end of the mold swing arm connecting pin.

[0012] Preferably, the first swing arm assembly includes a mold hinge seat, a left mold connecting rod hinge seat, and a right mold connecting rod hinge seat. The left mold connecting rod hinge seat contains left and right mold connecting rod hinge seat sliding sleeves, and the right mold connecting rod hinge seat contains left and right mold connecting rod hinge seat pin sliding sleeves. The left and right mold connecting rod hinge seats are cross-joined within the mold hinge seat. The mold hinge seat, the left mold connecting rod hinge seat, and the right mold connecting rod hinge seat are concentric. The left and right mold connecting rod hinge seat pins pass sequentially through the mold hinge seat, the left mold connecting rod hinge seat, and the right mold connecting rod hinge seat. The right mold connecting rod hinge seat, the pin ends of the left and right mold connecting rod hinge seats are connected to the third pin positioning plate, the third pin positioning plate is connected to the upper end face of the mold hinge seat, the mold hinge seat is connected to the head mold motor transmission component, the left mold connecting rod hinge seat and the right mold connecting rod hinge seat are each connected to a mold swing arm connecting rod, the other ends of the two mold swing arm connecting rods are connected to the mold swing arm hinge seats on the two head mold swing arms; the two mold swing arm connecting rods in the second swing arm assembly are connected to the mold swing arm hinge seats on the two bottle body mold swing arms;

[0013] The mold hinge seat is connected to two limiting sleeves on both sides. A mold hinge seat sliding sleeve is provided inside the limiting sleeve. Mold hinge seat sliding sleeve retaining rings are provided at both ends of the inner side of the limiting sleeve. The limiting sleeve is sleeved on the mold hinge seat guide rod. The mold hinge seat sliding sleeve is in contact with the mold hinge seat guide rod.

[0014] An adjusting nut is provided on the upper end face of the mold hinge seat, and the upper end of the adjusting nut is connected to the adjusting nut pressure plate.

[0015] Preferably, the multiple mold hinge seat guide rods are connected to the power element mounting plate via multiple locking nuts.

[0016] The beneficial effects of this invention are as follows: The head mold swing arm and the bottle mold swing arm are movably connected by the inner grooves at both ends of the drive device mounting base; the rear side of the power element mounting plate connects the head mold power assembly and the bottle mold power assembly; the head mold power assembly connects the two head mold swing arms through the first swing arm assembly, and the bottle mold power assembly connects the two bottle mold swing arms through the second swing arm assembly; one end of each of the two head mold swing arms is connected to the head mold, and one end of each of the two bottle mold swing arms is connected to the bottle mold. This structure is simple, easy to operate, energy-saving, and easy to implement. It eliminates the drawback of traditional hydraulic cylinder leakage that easily contaminates clean areas, greatly improving production efficiency and product qualification rate. It solves the problem of clean area contamination caused by hydraulic oil leakage from the hydraulic power actuator in the mold locking mechanism, improving equipment utilization and reducing equipment operating costs. Attached Figure Description

[0017] Figure 1 This is a cross-sectional view of a mold locking mechanism applicable to a blow-fill-seal integrated machine according to the present invention;

[0018] Figure 2 This is a top view of the present invention;

[0019] Figure 3 This is a side view of the drive device mounting base of the present invention;

[0020] Figure 4 yes Figure 1 Enlarged view of point A in the middle;

[0021] Figure 5 yes Figure 1 Enlarged view at point B in the middle;

[0022] Figure 6 yes Figure 3 Enlarged view at point C;

[0023] Figure 7 yes Figure 1 Enlarged view at point D;

[0024] Figure 8 yes Figure 2 Enlarged view at point E in the middle;

[0025] Figure 9 yes Figure 1 Enlarged view at point G;

[0026] Figure 10 yes Figure 1 Enlarged view at point F;

[0027] Figure 11 This is an isometric view of the present invention.

[0028] In the diagram: 1. Drive unit mounting base; 2. Mold swing arm hinge base; 3. Mold hinge base; 4. Left mold connecting rod hinge base; 5. Right mold connecting rod hinge base; 6. Mold swing arm connecting rod; 7. Mold hinge base guide rod; 8. Mold swing arm connecting pin; 10. Adjusting nut; 11. Mold swing arm rotating pin; 13. Left and right mold connecting rod hinge base pins; 14. First pin positioning plate; 15. Adjusting nut pressure plate; 16. Power component mounting plate; 17. Bottle mold bearing pin; 18. Head mold bearing pin; 19. Head mold swing arm; 20. Bottle mold swing arm; 21. Mold swing arm rotating pin sliding sleeve; 22. Left and right mold connecting rod hinge seat sliding sleeve; 23. Mold hinge seat sliding sleeve; 24. Mold hinge seat sliding sleeve retaining ring; 25. Mold swing arm connecting pin sliding sleeve; 26. Left and right mold connecting rod hinge seat pin sliding sleeve; 27. Bottle mold rolling bearing; 28. Head mold rolling bearing; 29. ​​Locking nut; 30. Head mold motor transmission component; 31. Bottle mold motor; 32. Head mold motor; 33. Bottle mold motor transmission component; 34. Head mold; 35. Bottle mold; 141. Second pin positioning plate; 142. Third pin positioning plate; 301. Limiting collar. Detailed Implementation

[0029] The technical solution of the present invention will now be clearly and completely described in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] The invention will now be further described with reference to the accompanying drawings.

[0031] like Figure 1-11As shown, a mold locking mechanism suitable for a blow-fill-seal machine includes a drive unit mounting base 1 and a power element mounting plate 16. A head mold swing arm 19 is movably connected to the upper end of the inner groove at both ends of the drive unit mounting base 1, and a bottle mold swing arm 20 is movably connected to the lower end of the inner groove at both ends of the drive unit mounting base 1. A head mold power assembly and a bottle mold power assembly are connected to the rear side of the power element mounting plate 16. The head mold power assembly connects to the two head mold swing arms 19 via a first swing arm assembly, and the bottle mold power assembly connects to the two bottle mold swing arms 20 via a second swing arm assembly. The first and second swing arm assemblies have the same structure. Multiple mold hinge guide rods 7 are connected between the power element mounting plate 16 and the drive unit mounting base 1. The ends of the two head mold swing arms 19 away from the power element mounting plate 16 are connected to the head mold 34, and the ends of the two bottle mold swing arms 20 away from the power element mounting plate 16 are connected to the bottle mold 35. Multiple mold hinge seat guide rods 7 are connected to the power element mounting plate 16 through multiple locking nuts 29, and the drive device mounting base 1 is fixed on the blow-fill-seal equipment frame (not shown in the figure).

[0032] Specifically, the head mold power assembly includes a head mold motor transmission component 30 and a head mold motor 32, and the bottle mold power assembly includes a bottle mold motor transmission component 33 and a bottle mold motor 31. The bottle mold motor 31 is connected to the bottle mold motor transmission component 33, and the head mold motor 32 is connected to the head mold motor transmission component 30. The front ends of the head mold motor transmission component 30 and the bottle mold motor transmission component 33 are connected to the rear side of the power component mounting plate 16, and the head mold motor transmission component 30 is located above the bottle mold motor transmission component 33.

[0033] Specifically, a mold swing arm rotating pin sleeve 21 is provided in the middle of each of the head mold swing arm 19 and the bottle mold swing arm 20. The mold swing arm rotating pin 11 passes through the mold swing arm rotating pin sleeve 21 on the head mold swing arm 19 and the bottle mold swing arm 20 respectively. The two ends of the mold swing arm rotating pin 11 protrude from the upper and lower end faces of the drive device mounting base 1. The upper end face of the drive device mounting base 1 is connected to the first pin positioning plate 14, and one end of the first pin positioning plate 14 is connected to the upper end of the mold swing arm rotating pin 11. A bottle mold rolling bearing 27 is provided at the end of each of the two bottle mold swing arms 20 away from the power element mounting plate 16. The bottle mold rolling bearing 27 is connected to the bottle mold swing arm 20 through the bottle mold bearing pin 17. A head mold rolling bearing 28 is provided at the end of each of the two head mold swing arms 19 away from the power element mounting plate 16. The head mold rolling bearing 28 is connected to the head mold swing arm 19 through the head mold bearing pin 18.

[0034] Specifically, each of the two head mold swing arms 19 and the two bottle mold swing arms 20 is connected to a mold swing arm hinge seat 2 at one end near the power element mounting plate 16. A mold swing arm connecting pin sleeve 25 is provided in the hole concentric with the head mold swing arm 19 and in the hole concentric with the bottle mold swing arm 20. The mold swing arm connecting pin 8 passes through the mold swing arm connecting pin sleeve 25, and the end of the mold swing arm connecting pin 8 is connected to a second pin positioning plate 141.

[0035] Specifically, the first swing arm assembly includes a mold hinge seat 3, a left mold connecting rod hinge seat 4, and a right mold connecting rod hinge seat 5. The left mold connecting rod hinge seat 4 contains left and right mold connecting rod hinge seat sliding sleeves 22, and the right mold connecting rod hinge seat 5 contains left and right mold connecting rod hinge seat pin sliding sleeves 26. The left mold connecting rod hinge seat 4 and the right mold connecting rod hinge seat 5 are cross-joined and placed within the mold hinge seat 3. The mold hinge seat 3 and the left mold connecting rod hinge seat 4... Concentric with the right mold connecting rod hinge seat 5, the pins 13 of the left and right mold connecting rod hinge seats pass sequentially through the mold hinge seat 3, the left mold connecting rod hinge seat 4, and the right mold connecting rod hinge seat 5. The ends of the pins 13 of the left and right mold connecting rod hinge seats are connected to the third pin positioning plate 142, which is connected to the upper end face of the mold hinge seat 3. The mold hinge seat 3 is connected to the head mold motor transmission component 30. The left mold connecting rod hinge seat 4 and the right mold connecting rod hinge seat 5 are each connected to a mold swing arm connecting rod 6. The other ends of the two mold swing arm connecting rods 6 are connected to the mold swing arm hinges on the two head mold swing arms 19. Connecting seat 2; the two mold swing arm connecting rods 6 in the second swing arm assembly are connected to the mold swing arm hinge seat 2 on the two bottle body mold swing arms 20; the two sides of the mold hinge seat 3 are connected to the limiting sleeve 301, the limiting sleeve 301 is provided with the mold hinge seat sliding sleeve 23, the two ends of the inner side of the limiting sleeve 301 are provided with the mold hinge seat sliding sleeve retaining ring 24, the limiting sleeve 301 is sleeved on the mold hinge seat guide rod 7, and the mold hinge seat sliding sleeve 23 is in contact with the mold hinge seat guide rod 7; the upper end face of the mold hinge seat 3 is provided with the adjusting nut 10, and the upper end of the adjusting nut 10 is connected to the adjusting nut pressure plate 15.

[0036] Specifically, the bottle mold motor 31 rotates, causing the output rod of the bottle mold motor transmission component 33 to extend. The mold hinge seat 3 moves away from the bottle mold motor 31 on the mold hinge seat guide rod 7. The included angle between the mold swing arm connecting rods 6 connecting the two bottle mold swing arms 20 increases, and the two bottle mold swing arms 20 rotate around the mold swing arm rotation pin 11. The two bottle mold parts 35 at the far end of the bottle mold swing arms 20 approach each other. When the included angle reaches 180°, the two bottle mold parts 35 are in place. At this time, since the angle between the two mold swing arm connecting rods 6 is 180°, the required external holding force is very small. After the mold is closed, the bottle cavity is formed in the bottle mold 35. Since the upper part of the formed bottle cavity is open and the head mold 34 is in the open state, filling can be performed. The required product is filled into the formed bottle cavity through the filling system (not shown in the figure). After filling, sealing is required. At this time, the head mold motor 32 rotates, causing the output rod of the head mold motor transmission component 30 to extend. The mold hinge seat 3 moves away from the head mold motor 32 on the mold hinge seat guide rod 7. The included angle between the mold swing arm connecting rod 6 connecting the two head mold swing arms 19 becomes larger and larger. The two head mold swing arms 19 rotate around the mold swing arm rotation pin 11. The two parts of the head mold 34 at the far end of the head mold swing arm 19 approach each other. When the included angle reaches 180°, the two parts of the head mold 34 are closed in place. At this time, since the angle between the two mold swing arm connecting rods 6 is 180°, the required external holding force is very small. After holding the pressure for a period of time, the bottle mold 35 and the head mold 34... To allow for the next production cycle, the bottle mold 35 and head mold 34 need to be opened. The opening process involves the bottle mold motor 31 and head mold motor 32 rotating, which in turn drives the output rods of the bottle mold motor transmission component 33 and head mold motor transmission component 30 to retract. The mold hinge seat 3 then moves towards the bottle mold motor 31 along the guide rod 7. As the head mold motor 32 moves in the same direction, the included angle between the mold arm connecting rod 6 connecting the two bottle mold arms 20 and the mold arm connecting rod 6 connecting the two head mold arms 19 becomes smaller and smaller. The two bottle mold arms 20 and the two head mold arms 19 rotate around the mold arm rotation pin 11. The two bottle mold parts 35 at the far end of the bottle mold arm 20 and the two head mold parts 34 at the far end of the head mold arm 19 move closer and closer to each other. When the bottle mold motor 31 and the head mold motor 32 both reach the set position, they stop running. The two bottle mold parts 35 and the two head mold parts 34 are all in the mold opening position. The cycle then begins the next production cycle.

[0037] Working Principle: When the blow-fill-seal integrated machine is in production, the preform extruded from the extruder die head is first formed in the bottle mold 35. At this point, the bottle mold motor 31 closes and locks the two parts of the bottle mold, maintaining pressure for a period of time. Then, filling is performed on the formed bottle. After filling, the head mold motor 32 closes and locks the two parts of the head mold 34, maintaining pressure for a period of time. Finally, the bottle mold motor 31 and the head mold motor 32 simultaneously open the bottle mold 35 and the head mold 34, completing the blow-fill-seal production process. The specific implementation plan is as follows:

[0038] When the extruded preform flows into the middle of the bottle mold 35, the bottle mold motor 31 rotates, causing the output rod of the bottle mold motor transmission component 33 to extend. The mold hinge seat 3 moves away from the bottle mold motor 31 on the mold hinge seat guide rod 7. As the direction of movement increases, the angle between the connecting rods 6 of the mold arm arms 20 and the mold arm arms 20 rotates around the rotating pin 11. The two bottle mold parts 35 at the far ends of the bottle mold arm arms 20 move closer to each other. When the angle reaches 180°, the two bottle mold parts 35 are closed. At this point, because the angle between the connecting rods 6 of the two mold arms is 180°, the required external holding force is very small. After the bottle mold 35 is closed, the bottle cavity is formed in the bottle mold 35. Since the upper part of the formed bottle cavity is open and the head mold 34 is in the open state, filling can be performed. The required product is filled into the formed bottle cavity through the filling system (not shown in the figure). After filling, sealing is required. At this time, the head mold motor 32 rotates, causing the output rod of the head mold motor transmission component 30 to extend. The mold hinge seat 3 moves away from the head mold motor 32 on the mold hinge seat guide rod 7. The included angle between the mold swing arm connecting rod 6 connecting the two head mold swing arms 19 increases. The two head mold swing arms 19 rotate around the mold swing arm rotation pin 11. The two head mold parts 34 at the far end of the head mold swing arms 19 move closer to each other. When the included angle reaches 180°, the two head mold parts 34 are closed. At this time, since the angle between the two mold swing arm connecting rods 6 is 180°, the required external holding force is very small. After holding pressure for a period of time, the bottle mold 35 and the head mold 34 need to be opened for the next production cycle. The opening process of the bottle mold 35 and the head mold 34 is as follows: the bottle mold motor 31 and the head mold motor 32 rotate, driving the output rods of the bottle mold motor transmission component 33 and the head mold motor transmission component 30 to retract respectively. The mold hinge seat 3 moves away from the mold hinge seat guide rod 7. The cylinder moves upward toward the bottle mold motor 31 and the head mold motor 32. The included angle between the mold arm connecting rod 6 connecting the two bottle mold arms 20 and the mold arm connecting rod 6 connecting the two head mold arms 19 becomes smaller and smaller. The two bottle mold arms 20 and the two head mold arms 19 rotate around the mold arm rotation pin 11. The two bottle mold parts 35 at the far end of the bottle mold arm 20 and the two head mold parts 34 at the far end of the head mold arm 19 move closer and closer to each other. When the bottle mold motor 31 and the head mold motor 32 have both reached the set position, they stop running. The two bottle mold parts 35 and the two head mold parts 34 are all in the mold opening position. The cycle then begins to the next production cycle.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A mold locking mechanism suitable for a blow-fill-seal integrated machine, characterized in that, The device includes a drive unit mounting base (1) and a power element mounting plate (16). The upper end of the inner groove at both ends of the drive unit mounting base (1) is movably connected to a head mold swing arm (19), and the lower end of the inner groove at both ends of the drive unit mounting base (1) is movably connected to a bottle mold swing arm (20). The rear side of the power element mounting plate (16) is connected to a head mold power assembly and a bottle mold power assembly. The head mold power assembly connects two head mold swing arms (19) through a first swing arm assembly, and the bottle mold power assembly connects two bottle mold swing arms (20) through a second swing arm assembly. The first swing arm assembly and the second swing arm assembly have the same structure. Multiple mold hinge seat guide rods (7) are connected between the power element mounting plate (16) and the drive unit mounting base (1). The ends of the two head mold swing arms (19) away from the power element mounting plate (16) are connected to the head mold (34), and the ends of the two bottle mold swing arms (20) away from the power element mounting plate (16) are connected to the bottle mold (35). The head mold power assembly includes a head mold motor transmission component (30) and a head mold motor (32). The bottle mold power assembly includes a bottle mold motor transmission component (33) and a bottle mold motor (31). The bottle mold motor (31) is connected to the bottle mold motor transmission component (33). The head mold motor (32) is connected to the head mold motor transmission component (30). The front ends of the head mold motor transmission component (30) and the bottle mold motor transmission component (33) are connected to the rear side of the power element mounting plate (16). The head mold motor transmission component (30) is located above the bottle mold motor transmission component (33). Each of the two head mold swing arms (19) and the two bottle mold swing arms (20) near the power element mounting plate (16) is connected to a mold swing arm hinge seat (2). A mold swing arm connecting pin sleeve (25) is provided in the hole concentric with the head mold swing arm (19) and in the hole concentric with the bottle mold swing arm (20). The mold swing arm connecting pin (8) passes through the mold swing arm connecting pin sleeve (25). The end of the mold swing arm connecting pin (8) is connected to a second pin positioning plate (141). The first swing arm assembly includes a mold hinge seat (3), a left mold connecting rod hinge seat (4), and a right mold connecting rod hinge seat (5). A sliding sleeve (22) for the left and right mold connecting rod hinge seats is provided inside the left mold connecting rod hinge seat (4). A sliding sleeve (26) for the left and right mold connecting rod hinge seats is provided inside the right mold connecting rod hinge seat (5). The left mold connecting rod hinge seat (4) and the right mold connecting rod hinge seat (5) are placed crosswise within the mold hinge seat (3). The mold hinge seat (3), the left mold connecting rod hinge seat (4), and the right mold connecting rod hinge seat (5) are concentric. The pins (13) for the left and right mold connecting rod hinge seats pass sequentially through the mold hinge seat (3), the left mold connecting rod hinge seat (4), and the right mold connecting rod hinge seat (5). The connecting rod hinge seat (5) has a third pin positioning plate (142) connected to the end of the left and right mold connecting rod hinge seat pin (13). The third pin positioning plate (142) is connected to the upper end face of the mold hinge seat (3). The mold hinge seat (3) is connected to the head mold motor transmission component (30). The left mold connecting rod hinge seat (4) and the right mold connecting rod hinge seat (5) are each connected to a mold swing arm connecting rod (6). The other ends of the two mold swing arm connecting rods (6) are connected to the mold swing arm hinge seat (2) on the two head mold swing arms (19). The two mold swing arm connecting rods (6) in the second swing arm assembly are connected to the mold swing arm hinge seat (2) on the two bottle body mold swing arms (20). The mold hinge seat (3) is connected to two limiting sleeves (301) on both sides. A mold hinge seat slide sleeve (23) is provided inside the limiting sleeve (301). Mold hinge seat slide sleeve retaining rings (24) are provided at both ends of the inner side of the limiting sleeve (301). The limiting sleeve (301) is sleeved on the mold hinge seat guide rod (7). The mold hinge seat slide sleeve (23) is in contact with the mold hinge seat guide rod (7). An adjusting nut (10) is provided on the upper end face of the mold hinge seat (3), and the upper end of the adjusting nut (10) is connected to the adjusting nut pressure plate (15).

2. The mold locking mechanism for a blow-fill-seal integrated machine according to claim 1, characterized in that, A mold swing arm rotating pin sleeve (21) is provided in the middle of the head mold swing arm (19) and the bottle body mold swing arm (20). The mold swing arm rotating pin (11) passes through the mold swing arm rotating pin sleeve (21) on the head mold swing arm (19) and the bottle body mold swing arm (20) respectively. The two ends of the mold swing arm rotating pin (11) protrude from the upper and lower end faces of the drive device mounting base (1). The upper end face of the drive device mounting base (1) is connected to the first pin positioning plate (14). One end of the first pin positioning plate (14) is connected to the upper end of the mold swing arm rotating pin (11).

3. The mold locking mechanism for a blow-fill-seal integrated machine according to claim 1, characterized in that, Each of the two bottle mold swing arms (20) is provided with a bottle mold rolling bearing (27) at the end away from the power element mounting plate (16). The bottle mold rolling bearing (27) is connected to the bottle mold swing arm (20) through a bottle mold bearing pin (17).

4. The mold locking mechanism for a blow-fill-seal integrated machine according to claim 1, characterized in that, Each of the two head mold swing arms (19) is provided with a head mold rolling bearing (28) at one end away from the power element mounting plate (16), and the head mold rolling bearing (28) is connected to the head mold swing arm (19) through a head mold bearing pin (18).

5. The mold locking mechanism for a blow-fill-seal integrated machine according to claim 1, characterized in that, Multiple mold hinge seat guide rods (7) are connected to the power element mounting plate (16) via multiple locking nuts (29).

Images