CN116160661A - Forming mold device for continuous blow-fill-seal equipment and continuous blow-fill-seal equipment - Google Patents

Abstract

The invention discloses a forming die device of continuous blowing and filling equipment, which comprises two forming die assemblies, wherein each forming die assembly comprises a plurality of forming dies, the forming dies are annularly arranged, a die closing forming area is formed between the two forming die assemblies, each forming die comprises a first rolling part, a guide rail matched with the first rolling part is arranged on the inner side of each forming die assembly, a die closing positioning lug is fixedly arranged on one guide rail, a first die closing driving part is arranged on the upper side of the other guide rail, a second die closing driving part is arranged on the lower side of the other guide rail, a first die closing lug is arranged on the first die closing driving part, a second die closing lug is arranged on the second die closing driving part, and the pressure of the first die closing driving part is larger than that of the second die closing driving part. The continuous blowing and filling and sealing equipment comprises the forming die device of the continuous blowing and filling and sealing equipment. The invention has simple and reliable structure and is beneficial to improving the molding quality of the container.

Description

Forming mold device for continuous blow-fill-seal equipment and continuous blow-fill-seal equipment

technical field

The invention relates to the technical field of food and medicine packaging equipment, in particular to a forming mold device of continuous blow-fill-seal equipment and continuous blow-fill-seal equipment.

Background technique

The continuous blow-fill-seal machine (BFS) can complete a series of processes of continuous molding, filling and sealing of molten plastic tube blanks without cutting. Compared with traditional reciprocating BFS equipment, it can greatly Increase productivity. The left and right molds of the existing continuous blowing, filling and sealing equipment have unstable pressure when closing the molds, and the left mold (or right mold) is prone to over-push or improper mold clamping, resulting in mold damage or poor container molding. And in the container forming stage and the pressure holding stage after forming, the clamping force remains unchanged, which is not conducive to ensuring the forming quality of the container.

Contents of the invention

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a molding die device for continuous blow-fill-seal equipment that is simple in structure, reliable, and conducive to improving the quality of container molding.

The present invention further provides a continuous blow-fill-seal equipment comprising the forming mold device of the above-mentioned continuous blow-fill-seal equipment.

In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions:

A forming mold device for continuous blow-fill-seal equipment, comprising two sets of forming mold assemblies, the forming mold assemblies comprising a plurality of forming molds, the plurality of forming molds arranged in a ring shape, between the two sets of forming mold assemblies A mold clamping forming area is formed, the forming mold includes a first rolling member, and guide rails cooperating with the first rolling member are provided on the inside of the forming mold assembly, wherein one of the guide rails is fixed with a mold clamping positioning protrusion block, the other said guide track is provided with a first clamping driver on the upper side, and a second mold clamping driver on the lower side, said first mold clamping driver is provided with a first mold clamping projection, said The second mold clamping driving member is provided with a second mold clamping projection, and the pressure of the first mold clamping driving member is greater than the pressure of the second mold clamping driving member.

As a further improvement of the above technical solution: the forming mold also includes a transmission chain link, two adjacent transmission chain links are hinged and a second rolling member is provided on the hinge shaft, and a drive wheel is provided inside the forming mold assembly and the driven wheel, the mold clamping area is located between the driving wheel and the driven wheel, and the driving wheel and the driven wheel are provided with a plurality of transmission wheels that cooperate with the second rolling member along the circumferential direction. department.

As a further improvement of the above technical solution: a transmission gear is installed on the axle of the driving wheel, the transmission gears of the two sets of forming mold assemblies mesh and one of the transmission gears is connected to a rotating drive member.

As a further improvement of the above technical solution: at least one of the driving wheels is connected with an adjustment disc, and the transmission gear and/or the adjustment disc are provided with a plurality of waist-shaped adjustment holes along the circumferential direction, and the transmission gear and the The adjusting disc is fixedly connected by a fastener arranged in the waist circular adjusting hole.

As a further improvement of the above technical solution: a tensioning mechanism is provided on the side of the forming mold assembly far away from the mold clamping area, and the tensioning mechanism includes a swing rod, and the swing rod is provided with the second The arc-shaped tension block matched with the rolling element, the swing end of the swing link is connected with the first elastic element.

As a further improvement of the above technical solution: the swing end of the swing rod is sleeved on a guide rod, and the first elastic member is a spring and is sleeved on the guide rod.

As a further improvement of the above technical solution: a tensioning positioning assembly is provided between the arc-shaped tensioning block and the driven wheel, and the tensioning positioning assembly includes a tensioning shaft. The supporting and guiding block matched with the second rolling element and the positioning rolling element located on the side of the forming mold.

As a further improvement of the above technical solution: As a further improvement of the above technical solution: a guide is provided on the transmission chain link, a second elastic member is provided between the guide and the transmission chain link, and the guide A mold mounting block is provided on the outer circumference, and a forming mold body is arranged on the mold mounting block, and the guide part abuts against the forming mold body.

As a further improvement of the above technical solution: both the first mold clamping driver and the second mold clamping driver are oil cylinders.

A continuous blow-fill-seal equipment, comprising the above-mentioned forming mold device of the continuous blow-fill-seal equipment.

Compared with the prior art, the present invention has the advantages of: the forming mold device of the continuous blow-fill-seal equipment disclosed in the present invention, wherein the mold clamping positioning projections of a group of forming mold components are fixedly installed, and the forming mold moves to The position of the mold clamping molding area is constant, and the first mold clamping lug and the second mold clamping lug of the other component mold assembly adopt movable installation, and the mold clamping position can be adjusted according to the first mold clamping driver, the second mold clamping Adjusting the stroke of the mold driving part can prevent the pressure from being unstable when the forming molds on the left and right sides are closed, and the left mold (or right mold) is over-pushed or the mold is not closed properly, resulting in mold damage or poor product molding; The pressure of the first mold clamping driver is greater than the pressure of the second mold clamping driver, which is convenient for the first mold clamping projection to cooperate with the mold clamping positioning projection for mold forming, and the second mold clamping projection is used for cooperation with the mold clamping positioning projection It is beneficial to improve the quality of container molding by maintaining the pressure of the mold; in the equipment debugging stage, the first mold clamping driver and the second mold clamping driver respectively drive the first mold clamping bump and the second mold clamping bump to position away from the mold clamping One side of the bump moves, so that the forming molds on the left and right sides are separated from each other when they reach the mold clamping area, so as to avoid damage to the forming mold when the equipment is running empty. The structure is simple and reliable.

The continuous blow-fill-seal equipment disclosed in the present invention includes the above-mentioned forming mold device of the continuous blow-fill-seal equipment, so it also has the above-mentioned advantages.

Description of drawings

Fig. 1 is a schematic structural view of the front of the present invention.

Fig. 2 is a structural schematic diagram of the back side of the present invention.

Fig. 3 is a structural schematic diagram of the driving wheel and the transmission gear in the present invention.

Fig. 4 is a schematic structural view of the front of the tensioning mechanism in the present invention.

Fig. 5 is a structural schematic diagram of the back side of the tension positioning assembly in the present invention.

Fig. 6 is a schematic top view of the tension positioning assembly in the present invention.

Fig. 7 is a three-dimensional schematic view of the molding die in the present invention.

Fig. 8 is a schematic perspective view of the three-dimensional sectional structure of the molding die in the present invention.

Fig. 9 is a schematic diagram of the structure of the present invention in the debugging stage.

Each label in the figure indicates: 1. Forming mold assembly; 11. Clamping forming area; 2. Forming mold; 21. First rolling element; 22. Transmission chain link; 23. Second rolling element; 24. Guide element; 25 , forming mold body; 26, second elastic member; 27, mold mounting block; 3, guide rail; 31, clamping positioning projection; 32, first clamping drive member; 33, second clamping drive member; 34 , the first clamping bump; 35, the second clamping bump; 40, the driving wheel; 41, the driven wheel; 42, the transmission part; 43, the transmission gear; 44, the rotating drive member; 45, the adjustment disc; 46, Waist circular adjustment hole; 47, fastener; 48, driving gear; 5, tensioning mechanism; 51, pendulum; 52, arc-shaped tensioning block; Tensioning and positioning assembly; 61, tensioning shaft; 62, supporting guide block; 63, positioning rolling element.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Embodiment one

Figures 1 to 9 show an embodiment of the molding die device of the continuous blow-fill-seal equipment of the present invention, the molding die device of the continuous blow-fill-seal equipment of this embodiment includes two sets of molding die assemblies 1, forming Mold assembly 1 comprises a plurality of molding dies 2, and a plurality of molding dies 2 is annularly arranged (in Fig. 1, Fig. 2 and Fig. Part 33, the first clamping lug 34 and the second clamping lug 35 hide most of the molding dies 2), the mold clamping molding area 11 is formed between the two sets of molding die components 1, and the molding die 2 includes the first rolling Parts 21 (such as rollers, rolling bearings, etc.), the inner side of the molding die assembly 1 is provided with guide rails 3 that cooperate with the first rolling member 21, one of the guide rails 3 is fixedly provided with mold clamping positioning projections 31, and the other guide The upper side of the track 3 is provided with a first mold clamping driver 32, the lower side is provided with a second mold clamping driver 33, the first mold clamping driver 32 is provided with a first mold clamping projection 34, and the second mold clamping driver 33 is provided with a second mold clamping projection 35 , and the pressure of the first mold clamping driver 32 is greater than the pressure of the second mold clamping driver 33 .

In the forming mold device of the continuous blow-fill-seal equipment, the clamping positioning projection 31 of the molding mold assembly 1 on the right is fixedly installed, and the position of the forming mold 2 to the mold clamping forming area 11 is constant each time the molding mold 2 moves, and the left side The first mold clamping lug 34 and the second mold clamping lug 35 of the forming mold assembly 1 adopt movable installation, and the mold clamping position can be adjusted according to the stroke of the first mold clamping driver 32 and the second mold clamping driver 33, which can be Prevent the pressure from being unstable when the forming molds 2 on the left and right sides are closed, and the left mold (or right mold) is over-pushed or the mold is not clamped in place, resulting in mold damage or poor product molding; the pressure of the first mold clamping driver 32 Greater than the pressure of the second mold clamping driver 33, it is convenient for the first mold clamping projection 34 to cooperate with the mold clamping positioning projection 31 for mold forming, and the second mold clamping projection 35 cooperates with the mold clamping positioning projection 31 for mold forming Maintaining pressure is beneficial to improve the quality of container molding. Referring specifically to Fig. 9, in the equipment debugging stage, the first mold clamping driver 32 and the second mold clamping driver 33 respectively drive the first mold clamping protrusion 34 and the second mold clamping protrusion 35 to move to the left, so that the left and right sides The forming dies 2 on the side are separated from each other when they reach the mold clamping forming area 11, so as to avoid damage to the forming die 2 when the equipment is running empty, and the structure is simple and reliable.

Further, in this embodiment, the molding die 2 also includes a transmission chain link 22, two adjacent transmission chain links 22 are hinged and a second rolling member 23 (such as a roller, a rolling bearing, etc.) is provided on the hinge shaft, forming The inner side of the mold assembly 1 is provided with a driving wheel 40 and a driven wheel 41, the mold clamping forming area 11 is located between the driving wheel 40 and the driven wheel 41, and the driving wheel 40 and the driven wheel 41 are provided with a plurality of second rolling elements along the circumferential direction. 23 with the transmission part 42 (see Fig. 2 and Fig. 3 for details, the transmission part 42 preferably adopts an arc-shaped groove structure). The forming molds 2 on the left and right sides are in surface-to-surface contact when the mold is closed in the mold clamping area 11. Compared with other transmission forms, it is easier to realize the function by using the transmission chain link 22 to transmit power; the two adjacent transmission chain links 22 is hinged and provided with a second rolling member 23 on the hinge shaft. The driving wheel 40 and the driven wheel 41 drive the second rolling member 23 to move through the transmission part 42, which is beneficial to ensure that the ring-shaped forming mold assembly 1 runs smoothly.

Furthermore, in this embodiment, a transmission gear 43 is mounted on the axle of the driving wheel 40 , the transmission gears 43 of the two sets of molding die assemblies 1 are meshed and one of the transmission gears 43 is connected to a rotary driving member 44 . The rotary driving member 44 can be, for example, a motor, etc., and the motor can drive one of the transmission gears 43 to rotate through the drive gear 48 or other transmission methods. During work, the rotating driving member 44 drives the transmission gear 43 to rotate, and the transmission gear 43 is used as a driving gear to drive another transmission gear 43 meshed with it to rotate. 42 drives the second rolling member 23 to move, and the forming mold 2 moves with the second rolling member 23, which is conducive to keeping the left and right two forming mold assemblies 1 running synchronously. The structure is simple and compact, takes up less space, and has high reliability.

As a preferred embodiment, at least one driving wheel 40 is connected with an adjustment disc 45, and the transmission gear 43 and/or the adjustment disc 45 are provided with a plurality of waist-shaped adjustment holes 46 along the circumferential direction, and the transmission gear 43 and the adjustment disc 45 pass through the The fastener 47 in the waist circular adjustment hole 46 is fixedly connected. In the assembly stage, the relative position of the driving wheel 40 and the transmission gear 43 in the circumferential direction can be changed by relatively rotating the driving wheel 40 and the adjustment disc 45, and then the relative position of the transmission gear 43 and the adjustment disc 45 is fixed by the fastener 47, Then ensure that the relative positions of the driving wheels 40 and the transmission gear 43 in the left and right two groups of forming die assemblies 1 are the same in the circumferential direction, and ensure that the left and right groups of forming die assemblies 1 operate synchronously. The structure is simple, reliable, and easy to adjust.

Further, in this embodiment, a tensioning mechanism 5 is provided on the side of the forming mold assembly 1 away from the mold clamping forming area 11, and the tensioning mechanism 5 includes a swing rod 51, and a swing rod 51 is provided on the swing rod 51 to cooperate with the second rolling member 23. The arc-shaped tension block 52 is connected to the swing end of the swing rod 51 with a first elastic member 53 . The chain formed by a plurality of transmission chain links 22 is in a tensioned state when in the mold-closing molding area 11, and is in a relaxed state when it is parallel to the mold-closing molding area 11. If it is not tensioned, when the chain is in a loose state and moves to When closing the molding area 11, it is easy to cause the molding mold assembly 1 to interfere and fail to operate. By arranging the tensioning mechanism 5 on the side of the molding die assembly 1 away from the clamping molding area 11, the polygonal effect of the chain drive can be eliminated and the smooth operation of the molding die assembly 1 can be ensured. Specifically, the arc-shaped tensioning block 52 is always in close contact with the second rolling member 23, and the chain is always kept in a tensioned state through the swing of the swing rod 51 and the telescopic movement of the first elastic member 53. The structure is simple and effective.

As a preferred embodiment, the swing end of the swing rod 51 is sleeved on a guide rod 54 , and the first elastic member 53 is a spring and sleeved on the guide rod 54 . When the second rolling member 23 moves along the arc-shaped tension block 52 , the arc-shaped tension block 52 is squeezed, which drives the swing rod 51 to swing, and the swing rod 51 further compresses the first elastic member 53 . After the second rolling member 23 is separated from the arc-shaped tension block 52, under the elastic force of the first elastic member 53, the swing rod 51 resets, and the guide rod 54 can provide a guiding function for the swing rod 51, while preventing the first elastic member 53 from Distorted after being squeezed, the structure is simple and reliable.

Furthermore, in this embodiment, a tensioning positioning assembly 6 is provided between the arc-shaped tensioning block 52 and the driven wheel 41, and the tensioning positioning assembly 6 includes a tensioning shaft 61, and the tensioning shaft 61 is provided with a second The supporting guide block 62 matched with the rolling element 23 and the positioning rolling element 63 (such as a roller, a rolling bearing, etc.) located on the side of the forming mold 2 (specifically, the side of the mold mounting block 27). The supporting guide block 62 provides support and guidance for the second rolling element 23, so that the chain is kept tense, and the positioning rolling element 63 positions the forming mold 2, so that the forming mold 2 maintains the same position during the movement process, which is beneficial to further improve the forming process. The smoothness and reliability of the mold assembly 1 during operation.

Further, in this embodiment, a guide member 24 is provided on the transmission chain link 22, and a second elastic member 26 is provided between the guide member 24 and the transmission chain link 22 (preferably, the second elastic member 26 also adopts a spring), The outer periphery of the guide piece 24 is provided with a mold mounting block 27 , and the mold mounting block 27 is provided with a forming mold body 25 , and the guide piece 24 abuts against the forming mold body 25 . When the forming molds 2 on the left and right sides are closed, the forming mold bodies 25 lean against each other, and the second elastic member 26 is compressed by the guide member 24, effectively preventing the forming mold 2 from being damaged due to other factors when closing the molds. After the forming mold 2 leaves the mold clamping forming area 11, the second elastic member 26 drives the mold mounting block 27 and the forming mold body 25 to reset, and so on.

As a preferred embodiment, both the first mold clamping driver 32 and the second mold clamping driver 33 are oil cylinders, correspondingly, the oil pressure of the oil cylinder as the first mold clamping driver 32 is higher than that of the second mold clamping driver 33 oil pressure of the oil cylinder. The oil cylinder technology is mature and reliable, and can provide sufficient mold clamping pressure. Of course, in other embodiments, other components can also provide mold clamping pressure.

Embodiment two

The continuous blow-fill-seal equipment of this embodiment includes the molding die device of the above-mentioned continuous blow-fill-seal equipment.

The continuous blow-fill-seal equipment of this embodiment includes the molding die device of the above-mentioned continuous blow-fill-seal equipment, so it also has the above-mentioned advantages.

Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person familiar with the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent implementation of equivalent changes example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. A molding die device of continuous blow-fill-seal equipment, comprising two groups of molding die assemblies (1), said molding die assembly (1) comprising a plurality of molding dies (2), a plurality of said molding dies (2 ) is arranged in a ring shape, and a clamping molding area (11) is formed between two groups of the molding die assemblies (1), and it is characterized in that: the molding die (2) includes a first rolling element (21), and the molding die The inner side of the assembly (1) is provided with guide rails (3) that cooperate with the first rolling member (21), one of the guide rails (3) is fixed with a mold clamping positioning projection (31), and the other is fixed on the guide rail (3). The upper side of the guide track (3) is provided with a first mold clamping driver (32), the lower side is provided with a second mold clamping driver (33), and the first mold clamping driver (32) is provided with a first mold clamping driver (32). clamping bump (34), the second clamping drive (33) is provided with a second clamping bump (35), and the pressure of the first clamping drive (32) is greater than that of the second clamping drive (33). The pressure of the clamping drive (33). 2. The forming mold device of continuous blow-fill-seal equipment according to claim 1, characterized in that: the forming mold (2) also includes a transmission chain link (22), and two adjacent transmission chain links (22) It is hinged and the second rolling member (23) is provided on the hinged shaft. The driving wheel (40) and the driven wheel (41) are arranged on the inner side of the forming mold assembly (1), and the mold clamping area (11) Located between the driving wheel (40) and the driven wheel (41), the driving wheel (40) and the driven wheel (41) are provided with a plurality of rolling elements ( 23) Cooperating transmission part (42). 3. The molding die device of continuous blow-fill-seal equipment according to claim 2, characterized in that: a transmission gear (43) is installed on the axle of the driving wheel (40), and two groups of the molding die assembly ( 1) The transmission gears (43) are meshed and one of the transmission gears (43) is connected with a rotary drive member (44). 4. The forming mold device of continuous blow-fill-seal equipment according to claim 3, characterized in that: at least one of the driving wheels (40) is connected with an adjustment disc (45), and the transmission gear (43) and/or Or the adjusting disc (45) is provided with a plurality of waist circular adjusting holes (46) along the circumferential direction, and the transmission gear (43) and the adjusting disc (45) pass through the waist circular adjusting holes ( Fastener (47) in 46) is fixedly connected. 5. The forming mold device of continuous blow-fill-seal equipment according to any one of claims 2 to 4, characterized in that: the forming mold assembly (1) is far away from the mold clamping area (11) A tensioning mechanism (5) is provided on the side, and the tensioning mechanism (5) includes a swing rod (51), and the swing rod (51) is provided with an arc-shaped tension member that cooperates with the second rolling member (23). The tight block (52), the swing end of the swing rod (51) is connected with a first elastic member (53). 6. The forming mold device of continuous blow-fill-seal equipment according to claim 5, characterized in that: the swing end of the swing rod (51) is sleeved on a guide rod (54), and the first elastic The part (53) is a spring and is sheathed on the guide rod (54). 7. The forming mold device of continuous blow-fill-seal equipment according to claim 5, characterized in that: a tension positioning assembly is arranged between the arc-shaped tension block (52) and the driven wheel (41) (6), the tensioning positioning assembly (6) includes a tensioning shaft (61), and a supporting guide block (62) cooperating with the second rolling member (23) is provided on the tensioning shaft (61) And be positioned at the positioning rolling part (63) of molding die (2) side. 8. The forming mold device of continuous blow-fill-seal equipment according to any one of claims 2 to 4, characterized in that: the transmission chain link (22) is provided with a guide (24), and the guide A second elastic member (26) is provided between the member (24) and the transmission chain link (22), and the outer circumference of the guide member (24) is provided with a mold installation block (27), and the mold installation block (27 ) is provided with a molding die body (25), and the guide piece (24) abuts against the molding die body (25). 9. The forming mold device of continuous blow-fill-seal equipment according to any one of claims 1 to 4, characterized in that: the first mold clamping driver (32) and the second mold clamping driver (33) are oil cylinders. 10. A continuous blow-fill-seal equipment, characterized in that it comprises the forming mold device of the continuous blow-fill-seal equipment according to any one of claims 1 to 9.

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