CN107932878B - Bottle blowing machine and bottom die and die opening and closing action linkage cam mechanism thereof - Google Patents
Bottle blowing machine and bottom die and die opening and closing action linkage cam mechanism thereof Download PDFInfo
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- CN107932878B CN107932878B CN201711404267.7A CN201711404267A CN107932878B CN 107932878 B CN107932878 B CN 107932878B CN 201711404267 A CN201711404267 A CN 201711404267A CN 107932878 B CN107932878 B CN 107932878B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 238000007664 blowing Methods 0.000 title claims abstract description 24
- 230000009471 action Effects 0.000 title claims abstract description 13
- 230000008859 change Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/4236—Drive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The invention relates to a bottle blowing machine and a bottom die thereof as well as a die opening and closing action linkage cam mechanism, which comprises a die frame support, a right die, a left die, a die opening and closing control mechanism and a bottom die lifting control mechanism, wherein the die opening and closing control mechanism comprises a swing arm, a swing rod, a die opening and closing roller and a die opening and closing guide rail; the bottom die lifting control mechanism comprises a bottom die support, a small cam and an adjusting rod, wherein the bottom die support is arranged at the lower part of the die carrier support in a sliding mode, a linkage roller is arranged on the upper part of the bottom die support, an arc-shaped guide groove is formed in the inner side of the small cam, the corner of the small cam is hinged to the lower part of the die carrier support, the linkage roller is arranged in the arc-shaped guide groove to move, one end of the adjusting rod is connected with the swing arm through a spherical hinge, and the other end of the adjusting rod is hinged to the other side wall of the small cam. The rotary bottle blowing machine has low running noise and convenient adjustment.
Description
Technical Field
The invention relates to the field of liquid packaging equipment, in particular to a bottle blowing machine and a bottom die and opening and closing die action linkage cam mechanism thereof.
Background
The up-and-down motion of the bottom die and the motion of the left half die and the right half die of the existing rotary large die frame bottle blowing machine are respectively controlled by cam guide rails, and when the die frame rotates along with a rotary main body, the following continuous inertia motion exists: putting in bottle blank, lifting the bottom die, closing the left die and the right die, blowing the bottle, opening the right die frame, lowering the bottom die, taking out the bottle, and the actions are circulated to continuously carry out production.
In the conventional rotary large die frame bottle blowing machine shown in fig. 1 and 2, a swing arm 8 and a swing rod 10 are fixedly connected through a swing shaft 11, the swing rod can control the opening and closing actions of a left die 3 and a right die 2 through a connecting rod 9 hinged to the left die 3 and the right die 2, the other end of the swing arm is connected with an opening and closing die roller 7 for enabling the swing arm to swing, the opening and closing die roller 7 is driven by an opening and closing die cam guide rail (not shown in the figure), the bottom end of a bottom die support 4 is also connected with a bottom die roller 5, and the bottom die roller 5 is controlled to move up and down by the bottom die cam guide rail 6.
The existing rotary bottle blowing machine mainly has the following defects: 1. the bottom die cam guide rail controls the bottom dies of the die cavities, and the height of the bottom die is not easy to adjust to be consistent. 2. The bottom die cam guide rail is in a curve non-closed state, and when the bottom die roller enters and exits the bottom die cam guide rail, noise always exists, and the higher the yield is, the larger the noise is.
In addition, the left and right molds of the existing rotary bottle blowing machine are generally locked by adopting a spring ejector rod mechanism, when the left and right molds are in an open state, the mold locking shaft is locked by the ejector rods, when the left and right molds are in a closed state, the mold unlocking shaft is released by the ejector rods, and the left and right molds are locked upwards by the lock pins;
as shown in fig. 7, when the left mold 3 and the right mold 2 are in an open state, the ejector rod 23 locks the counter bore of the mold locking shaft 22 through the shoulder part thereof, so that the mold locking shaft 22 is always at the bottom, and the connecting rod 24 and the mold locking pin 25 connected with the mold locking shaft are in a bottom state; as shown in fig. 8, when the left die 3 and the right die 2 are combined, the collision block 27 touches the ejector rod 23, so that the locking state of the die locking shaft 25 is released to move upwards, and the connecting rod 24 and the die locking pin 25 are driven to lock the left die 3 and the right die 2 upwards; the left die 3 and the right die 2 are in a closed state; when the left mold 3 and the right mold 2 need to be opened again, the cam guide rails (not shown) need to enable the driving rollers 26 to drive the mold locking pins 25 and the mold locking shafts 22 to move downwards, and meanwhile, the opening and closing of the left mold 3 and the right mold 2 are completed by driving the opening and closing mold cam guide rails (also not shown).
The existing rotary bottle blowing machine mainly has the following defects: 1. the impact mass produces noise when striking the knock pin, the more pronounced the higher the machine is; 2. because the driving rollers are controlled to move by the cam guide rails, when a plurality of dies rotate, the driving rollers are required to be on the same horizontal plane, and the adjustment difficulty is high.
Disclosure of Invention
In order to solve the above technical problems, a first object of the present invention is to provide a bottom die and an opening and closing die action linkage cam mechanism of a rotary bottle blowing machine with low noise and convenient adjustment, and a second object of the present invention is to provide a rotary bottle blowing machine.
In order to achieve the first object, the present invention adopts the following technical scheme:
the bottom die and the opening and closing die action linkage cam mechanism of the bottle blowing machine comprises a die frame support, a right die, a left die, an opening and closing die control mechanism and a bottom die lifting control mechanism, wherein the right die and the left die are hinged to the upper portion of the die frame support through the same shaft, the opening and closing die control mechanism comprises a swing arm, a swing rod, an opening and closing die roller and an opening and closing die guide rail, connecting rods are hinged to the outer side walls of the right die and the left die respectively, the other ends of the connecting rods are hinged to the swing rod, the swing rod is fixed with the swing arm through a swing shaft which is longitudinally arranged, the opening and closing die roller is arranged at the lower end of the swing arm, and the opening and closing die roller moves along the opening and closing die guide rail; the bottom die lifting control mechanism comprises a bottom die support, a small cam and an adjusting rod, wherein the bottom die support is arranged at the lower part of the die frame support in a sliding mode, a linkage roller is arranged on the upper part of the bottom die support, an arc-shaped guide groove is formed in the inner side of the small cam, the corner of the small cam is hinged to the lower part of the die frame support, the distance from the hinging point of the small cam to the two end points of the arc-shaped guide groove is different, the linkage roller is arranged in the arc-shaped guide groove to move, one end of the adjusting rod is connected with a swing arm through a spherical hinge, the other end of the adjusting rod is hinged to the other side wall of the small cam, when the die opening and closing roller moves on a die opening and closing cam guide rail, the position of the swing arm and the bottom die support changes, on one hand, the swing arm also changes through a swing shaft, so that the connecting rod is further driven to push or pull a left die and a right die is opened, and on the other hand, the position change of the swing arm is transmitted to the small cam, so that the small cam rotates, the linkage roller on the die support moves in the arc-shaped guide groove, and the bottom die support slides up and down on the die frame.
As a preferable scheme: the middle part of the small cam is also provided with a triangular through hole, the adjusting rod is hinged on one side of the small cam far away from the die carrier support, and the hinging point of the adjusting rod is positioned below the triangular through hole.
As a preferable scheme: the swing arm is fan-shaped, the die opening and closing roller is arranged at the lower end of the corner of the swing arm, and a triangular fixing block used for hinging the adjusting rod is fixed at the upper end of the corner of the swing arm.
As a preferable scheme: and the connecting line of the hinging points of the linkage roller and the small cam on the die carrier support is a plumb line.
As a preferable scheme: the die carrier support is provided with a ball guide rail, the bottom die support is provided with a ball sliding block, and the die carrier support and the bottom die support are in sliding connection up and down through the cooperation of the ball guide rail and the ball sliding block.
In order to achieve the second object, the present invention adopts the following technical scheme:
a rotary bottle blowing machine comprises the bottom die and an opening and closing die action linkage cam mechanism.
The rotary bottle blowing machine is characterized in that the mold opening and closing control mechanism and the bottom mold lifting control mechanism are arranged in a linkage manner, the swing arm is used for driving the swing rod and the connecting rod so as to enable the mold opening and closing to act, and meanwhile, the swing arm is also used for driving the adjusting rod and the cam so as to enable the bottom mold to act downwards, so that the mold opening and closing and the bottom mold are linked. Such a structure has the following advantages: the small cam curve is closed, and the running noise is lower; (2) The bottom die of each die cavity system is independently adjustable, thereby being beneficial to production maintenance.
Drawings
Fig. 1 and 2 are schematic perspective views of a mold opening/closing control mechanism and a bottom mold lifting control mechanism of a conventional bottle blowing machine.
Fig. 3 is a schematic perspective view of one side of the mold opening and closing control mechanism, the bottom mold lifting control mechanism and the adjusting lever according to the present invention.
Fig. 4 is a schematic perspective view of the other side of the mold opening and closing control mechanism, the bottom mold lifting control mechanism and the adjusting lever according to the present invention.
Fig. 5 is a schematic plan view of one side of the mold opening/closing control mechanism, the bottom mold lifting control mechanism and the adjusting lever according to the present invention.
Fig. 6 is a schematic plan view of the other side of the mold opening and closing control mechanism, the bottom mold lifting control mechanism and the adjusting lever according to the present invention.
Fig. 7 is a schematic structural view of a mold opening/closing lock mechanism in a state where left and right molds of a conventional bottle blowing machine are opened.
Fig. 8 is a schematic structural view of a mold opening/closing lock mechanism in a state where left and right molds of a conventional bottle blowing machine are closed.
Fig. 9 is a schematic structural view of the mold opening/closing lock mechanism in the left and right mold open state of the present invention.
Fig. 10 is a schematic structural view of the mold opening/closing lock mechanism in the left and right mold closed state of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
The rotary bottle blowing machine as shown in fig. 3 to 6 comprises a die frame support 1, a right die 2, a left die 3, a die opening and closing control mechanism, a bottom die lifting control mechanism and a left die locking mechanism, wherein the right die 2 and the left die 3 are hinged to the upper part of the die frame support 1 through the same shaft, the die opening and closing control mechanism comprises a swing arm 8, a swing rod 10, a die opening and closing roller 7 and a die opening and closing cam guide rail 17, connecting rods 9 are respectively hinged to the outer side walls of the right die 2 and the left die 3, the other ends of the connecting rods 9 are hinged to the swing rod 10, the swing rod 10 is fixed with the swing arm 8 through a swing shaft 11 which is longitudinally arranged, the die opening and closing roller 7 is arranged at the lower end of the swing arm 8, and the die opening and closing roller 7 moves along the die opening and closing cam guide rail 17; the bottom die lifting control mechanism comprises a bottom die support 4, a small cam 14 and an adjusting rod 13, the bottom die support 4 is arranged at the lower part of the die carrier support 1 in a sliding mode, a linkage roller 15 is arranged at the upper part of the bottom die support 4, an arc-shaped guide groove 16 is formed in the inner side of the small cam 14, the corner of the small cam 14 is hinged to the lower part of the die carrier support 1, the distances from the hinging point of the small cam 14 and the die carrier support 1 to two end points of the arc-shaped guide groove 16 are different, the difference in the distances is the lifting height of the bottom die support, the linkage roller 15 is arranged in the arc-shaped guide groove 16 to move, one end of the adjusting rod 13 is connected with the swing arm 8 through a spherical hinge 12, and the other end of the adjusting rod 13 is hinged to the other side wall of the small cam 14.
When the die opening and closing roller 7 moves on the die opening and closing cam guide rail 17, the positions of the swing arm 8 and the bottom die support 4 are changed, on one hand, the swing arm 8 enables the position of the swing rod 10 to be changed through the swing shaft 11, so that the connecting rod 9 is further driven to push or pull the left die and the right die, the opening and closing of the left die and the right die are completed, on the other hand, the position change of the swing arm 8 is transmitted to the small cam 14 through the adjusting rod, the small cam 14 is enabled to rotate, the linkage roller 15 on the bottom die support 4 moves in the arc-shaped guide groove 16, and the bottom die support slides up and down on the die carrier.
The middle part of the small cam 14 is also provided with a triangular through hole, the adjusting rod 13 is hinged on one side of the small cam 14 far away from the die carrier support 1, and the hinging point of the adjusting rod 13 and the small cam 14 is positioned below the triangular through hole.
The swing arm 8 is fan-shaped, the die opening and closing roller 7 is arranged at the lower end of the corner of the swing arm 8, and a triangular fixing block used for hinging the adjusting rod 13 is fixed at the upper end of the corner of the swing arm 8. The connecting line of the hinging points of the linkage roller 15 and the small cam 14 on the die carrier support 1 is a plumb line.
The die carrier support 1 is provided with a ball guide rail, the bottom die support 4 is provided with a ball slide block, and the die carrier support 1 and the bottom die support 4 are in sliding connection up and down through the cooperation of the ball guide rail and the ball slide block.
As shown in fig. 9 and 10, the left mold 3 is provided with at least one left connecting boss 36, the left connecting boss 36 is provided with a pin hole 35, the right mold 2 is provided with a right connecting boss 37 matched with the left connecting boss 36, the left and right mold locking mechanism comprises a mold locking shaft 22 penetrating through the right connecting boss 37, the mold locking pin 25 is in linkage with the mold locking shaft 22 through a connecting rod 24, a lever 32 arranged on the right mold 2 is rotated through a hinge shaft 33, an elastic supporting piece 31 and a driving pendulum shaft 30, the lever 32 is movably arranged on the hinge shaft 33 in a penetrating manner, the mold locking pin 25 can be telescopically arranged in the right connecting boss 37, a spring 21 is further arranged between the upper end of the mold locking shaft 22 and the right connecting boss 37, the driving pendulum shaft 30 is hinged to the lower part of the right mold 2, one end of the driving pendulum shaft 30 drives the mold locking shaft 22 to move up and down, one end of the driving pendulum shaft 30 is provided with a driving roller 26, the other end of the driving pendulum shaft 30 is hinged to one end of the lever 32, one end of the other end of the elastic supporting piece 31 is hinged to the other end of the lever 32, and the other end of the elastic supporting piece 31 is hinged to the elastic supporting piece 31.
When the left mould and the right mould are slowly close, the driving pendulum shaft is gradually lifted by the cam guide rail through the driving roller, the lever rotates and slides in the hinge shaft to force the elastic supporting piece to close towards the driving pendulum shaft, the left mould and the right mould are closed when or before the elastic supporting piece is overlapped with the driving pendulum shaft, when the elastic supporting piece rotates through the overlapping point of the elastic supporting piece and the driving pendulum shaft, the force of the elastic supporting piece drives the elastic supporting piece to be far away from the driving pendulum shaft again, the elastic supporting piece completes the process of switching from the outer side of the driving pendulum shaft 30 to the inner side, the elastic supporting piece 31 enables the driving pendulum shaft 30 to be locked at a high position, and the driving block 38 drives the mould locking shaft 22 and drives the mould locking pin 25 to extend upwards to the right connecting boss 37 to extend into the pin hole 35 so as to lock the left mould 3 and the right mould 2.
When the left die and the right die are ready to be opened, the cam guide rail gradually descends the driving pendulum shaft through the driving roller, meanwhile, the lever rotates and slides in the hinge shaft to force the elastic supporting piece to be close to the driving pendulum shaft, when the elastic supporting piece rotates to pass through the coincidence point of the elastic supporting piece and the driving pendulum shaft, the force of the elastic supporting piece drives the elastic supporting piece to be far away from the driving pendulum shaft again, the elastic supporting piece finishes the process of switching from the inner side of the driving pendulum shaft 30 to the outer side, the driving pendulum shaft 30 is locked in a low bottom state by the elastic supporting piece 31, the driving block 38 drives the die locking shaft 22 and the die locking pin 25 to be in a bottom state, and at the moment, the left die and the right die can be slowly opened.
The lower extreme of mode locking axle 22 is equipped with drive block 38, mode locking axle 22 runs through drive block 38, and the end of mode locking axle 22 is equipped with the screw thread to spacing mode locking axle 22 through assorted nut, adjusting nut just can make the spring of mode locking axle 22 upper end further compress or loosen simultaneously, and then realizes the regulation of drive roller's initial position. The driving block 38 is provided with a strip-shaped groove, the lower end of the driving pendulum shaft 30 is fixedly penetrated by a shaft, the inner end of the shaft is limited in the strip-shaped groove and can move in the strip-shaped groove, and the driving roller 26 is arranged at the outer end of the shaft. The shaft may also be replaced by a pin and the recess may be replaced by a through hole.
The elastic support piece 31, the lever 32 and the driving pendulum shaft 30 enclose a triangle, and the elastic support piece 31 adopts a telescopic rod with a compression spring sleeved outside.
The driving pendulum shaft 30 is L-shaped, and the corner of the driving pendulum shaft 30 and the lower end of the elastic support member 31 are connected to the right mold 2 through the same hinge shaft. The mold locking pin 25 and the mold locking shaft 22 are disposed parallel to each other.
When a plurality of left connecting bosses 36 are provided, the spacing distance between two adjacent left connecting bosses 36 is greater than or equal to the length of the mode locking pin 25. The top end of the clamping shaft 22 is provided with a convex edge, one section of the spring is propped against the convex edge, and the other end of the spring is propped against the right connecting boss 37.
The left and right mold locking mechanism adopts the technical scheme of adopting the elastic support piece, the lever and the driving pendulum shaft to enclose the city triangle, and the direction of force is changed to lock different states of the mold locking shaft through the change of the angle of the elastic support piece, so the structure has the following advantages:
(1) The position of the elastic supporting piece is easy to adjust left and right, so that the initial position of the driving roller is easy to adapt to a cam guide rail (not shown in the figure); the noise is reduced, and the low-level state of the existing structure can be adjusted only by using the gasket; (2) The loading force of the spring at the upper end of the mode locking shaft is reduced, and the service life of the mode locking shaft is prolonged; (3) The ejector rod in the prior art is eliminated, and the noise of mutual collision between the ejector rod and the collision block is eliminated.
It should be noted that the above embodiments are merely representative examples of the present invention. Many variations of the invention are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the principles of the present invention should be considered to fall within the scope of the present invention.
Claims (4)
1. The utility model provides a die block of bottle blowing machine and mould action linkage cam mechanism that opens and shuts which characterized in that: the mold frame comprises a mold frame support (1), a right mold (2), a left mold (3), an opening and closing mold control mechanism and a bottom mold lifting control mechanism, wherein the right mold (2) and the left mold (3) are hinged to the upper portion of the mold frame support (1) through the same shaft, the opening and closing mold control mechanism comprises a swing arm (8), a swing rod (10), an opening and closing mold roller (7) and an opening and closing mold cam guide rail (17), connecting rods (9) are hinged to the outer side walls of the right mold (2) and the left mold (3) respectively, the other ends of the connecting rods (9) are hinged to the swing rod (10), the swing rod (10) is fixed with the swing arm (8) through a swing shaft (11) which is longitudinally arranged, the opening and closing mold roller (7) is arranged at the lower end of the swing arm (8), and the opening and closing mold roller (7) moves along the opening and closing mold cam guide rail (17). The bottom die lifting control mechanism comprises a bottom die support (4), a small cam (14) and an adjusting rod (13), wherein the bottom die support (4) is slidably arranged at the lower part of the die frame support (1), a linkage roller (15) is arranged at the upper part of the bottom die support (4), an arc-shaped guide groove (16) is arranged at the inner side of the small cam (14), the corner of the small cam (14) is hinged at the lower part of the die frame support (1), the distances from the hinging point of the small cam (14) and the die frame support (1) to two end points of the arc-shaped guide groove (16) are different, the linkage roller (15) is arranged in the arc-shaped guide groove (16) to move, one end of the adjusting rod (13) is connected with the swing arm (8) through a spherical hinge (12), the other end of the adjusting rod (13) is hinged on the other side wall of the small cam (14), when the die opening and closing roller (7) moves on a die opening and closing cam guide rail (17), the positions of the swing arm (8) and the bottom die support (4) are changed, on one hand, the swing arm (8) is further driven by the swing rod (10) to change the position of the swing rod (14) through the swing die, on the other hand, the swing die (9) is further changed, and on the other hand, the swing die (14) is driven to change, and the position of the swing die is further caused by the swing rod (14), the linkage roller (15) on the bottom die support (4) moves in the arc-shaped guide groove (16), and the bottom die support slides up and down on the die carrier support;
the left die (3) is provided with at least one left connecting boss (36), the left connecting boss (36) is provided with a pin hole (35), the right die (2) is provided with a right connecting boss (37) matched with the left connecting boss (36), the left and right die locking mechanism comprises a die locking shaft (22) penetrating through the right connecting boss (37), a die locking pin (25) which is in linkage with the die locking shaft (22) through a connecting rod (24), a lever (32) which is rotatably arranged on the right die (2) through a hinge shaft (33), an elastic supporting piece (31) and a driving pendulum shaft (30), the lever (32) is movably arranged on the hinge shaft (33), the die locking pin (25) can be telescopically arranged in the right connecting boss (37), a spring (21) is further arranged between the upper end of the die locking shaft (22) and the right connecting boss (37), one end of the driving pendulum shaft (30) drives the die locking shaft (22) to move upwards and downwards, one end of the driving pendulum shaft (30) is hinged with one end of the driving lever (30), one end of the driving pendulum shaft (30) is hinged with one end of the driving roller (32), the other end of the elastic supporting piece (31) is hinged with the right die (2);
the middle part of the small cam (14) is also provided with a triangular through hole, the adjusting rod (13) is hinged on one side of the small cam (14) far away from the die carrier support (1), and the hinging point of the adjusting rod (13) and the small cam (14) is positioned below the triangular through hole;
the connecting line of the hinging points of the linkage roller (15) and the small cam (14) on the die carrier support (1) is a plumb line.
2. The bottom die and die opening and closing action linkage cam mechanism of a bottle blowing machine according to claim 1, wherein: the swing arm (8) is fan-shaped, the die opening and closing roller (7) is arranged at the lower end of the corner of the swing arm (8), and a triangular fixing block used for hinging the adjusting rod (13) is fixed at the upper end of the corner of the swing arm (8).
3. The bottom die and die opening and closing action linkage cam mechanism of a bottle blowing machine according to claim 1, wherein: the die carrier support (1) is provided with a ball guide rail, the bottom die support (4) is provided with a ball sliding block, and the die carrier support (1) and the bottom die support (4) are in sliding connection up and down through the cooperation of the ball guide rail and the ball sliding block.
4. A rotary bottle blowing machine which is characterized in that: a bottom die and open-die action linkage cam mechanism comprising the bottom die of any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404267.7A CN107932878B (en) | 2017-12-22 | 2017-12-22 | Bottle blowing machine and bottom die and die opening and closing action linkage cam mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711404267.7A CN107932878B (en) | 2017-12-22 | 2017-12-22 | Bottle blowing machine and bottom die and die opening and closing action linkage cam mechanism thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107932878A CN107932878A (en) | 2018-04-20 |
| CN107932878B true CN107932878B (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711404267.7A Active CN107932878B (en) | 2017-12-22 | 2017-12-22 | Bottle blowing machine and bottom die and die opening and closing action linkage cam mechanism thereof |
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| CN (1) | CN107932878B (en) |
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| CN108621406A (en) * | 2018-05-16 | 2018-10-09 | 临海市大格格兰压缩机有限公司 | Bottle blowing machine blow-moulding mould-closing mechanism |
| CN109228258B (en) * | 2018-10-12 | 2024-04-05 | 江苏新美星包装机械股份有限公司 | Die carrier linkage mechanism of bottle blowing machine |
| CN110053240B (en) * | 2019-02-19 | 2024-05-24 | 广州达意隆包装机械股份有限公司 | Locking mechanism and blow molding die carrier device |
| CN110406076B (en) * | 2019-07-08 | 2023-11-17 | 江苏新美星包装机械股份有限公司 | Connecting rod type linkage mechanism for bottle blowing machine die carrier |
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| CN112318856B (en) * | 2020-10-30 | 2024-07-09 | 江苏新美星包装机械股份有限公司 | Single die opening mechanism of bottle blowing machine |
| CN113619072B (en) * | 2021-07-12 | 2024-08-20 | 杭州中亚机械股份有限公司 | Die carrier assembly |
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| CN107932878A (en) | 2018-04-20 |
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