CN217968337U - Bottle blowing mechanism of bottle blowing machine for inclined-mouth bottles - Google Patents

Abstract

The utility model provides a bottle blowing mechanism of a bottle blowing machine for inclined-mouth bottles, which comprises a rear die; the front die can be transversely movably arranged on one side of the rear die; the transverse moving driving source is arranged on the other side of the rear die and drives the front die to move; the front die and the rear die are respectively provided with a front groove and a rear groove; when the front mold is attached to the rear mold, the front groove and the rear groove are connected to form a plastic cavity; the rear mold includes: a fixed part; the rotating part is rotatably arranged above the fixed part; a bottle body groove is formed on the fixed part, a bottle mouth groove is formed on the rotating part, and the bottle body groove and the bottle mouth groove are connected to form a rear groove; when the rotating part rotates to the state that the lower surface of the rotating part abuts against the upper surface of the fixing part, the bottle opening groove is obliquely arranged relative to the bottle body groove and is communicated with the bottle body groove. Therefore, the bottle mouth groove which is inclined relative to the bottle body groove and is arranged in a rotating mode can be used for simply processing the bottle with the inclined mouth, the required structure is simple, the operation required by a producer is simple and labor-saving, and therefore the production cost is reduced and meanwhile certain production efficiency can be improved.

Description

Bottle blowing mechanism of bottle blowing machine for inclined-mouth bottles

Technical Field

The utility model relates to a bottle blowing machine technical field especially relates to a bottle blowing mechanism of bevel connection bottle blowing machine.

Background

A bottle blowing machine is used as a device for manufacturing bottles, the conventional manufacturing steps of the bottle blowing machine are that a bottle blank is placed into a shaping cavity formed by connecting a front film and a rear die after being heated, then an air blowing device, generally an air pipe, is inserted into the bottle blank, the bottle blank is stressed to expand and deform in the shaping cavity through the acting force of air, then the bottle blank can deform into a bottle shape corresponding to the shape of the inner wall of the shaping cavity designed by a manufacturer due to the limiting effect of the inner wall of the shaping cavity, finally the front die and the rear die of the bottle blowing machine are separated, the shaping cavity is opened, and a conveying device of the bottle blowing machine can convey the shaped bottle to the next process.

However, the conventional bottle blowing machine can only be used for processing normal straight vertical bottle, the bottle blank of the oblique bottle cannot be effectively placed into the molding cavity due to the inclined bottle mouth, the normal bottle blank cannot be bent in the molding cavity, and the oblique bottle after molding can not be easily separated from the molding cavity due to the shape of the oblique bottle. Conventional bottle blowing machines are generally incapable of processing diagonal-mouth bottles.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a bottle blowing mechanism of bottle blowing machine for bevel connection bottle, its bottleneck groove that crosses and incline mutually with the body groove and rotate the setting solves the unable problem of processing the bevel connection bottle of conventional bottle blowing machine.

In order to solve the technical problem, the technical scheme of the utility model is that:

a bottle blowing mechanism of a bottle blowing machine for inclined-mouth bottles comprises

A rear mold;

a front mold which is transversely movably disposed at one side of the rear mold; and

a transverse moving driving source which is arranged at the other side of the rear mould and is used for driving the front mould to move;

wherein, a front groove and a rear groove are respectively formed on the front die and the rear die; when the front mold is attached to the rear mold, the front groove and the rear groove are connected to form a plastic cavity;

the rear mold includes:

a fixed part; and

a rotating part rotatably disposed above the fixing part;

the lifting driving source is connected with the rotating part and is used for driving the rotating part to rotate;

a bottle body groove is formed in the fixing part, a bottle mouth groove is formed in the rotating part, and the bottle body groove and the bottle mouth groove are connected to form the rear groove;

when the lower surface of the rotating part is abutted against the upper surface of the fixing part, the bottleneck groove is obliquely arranged relative to the bottle body groove and is communicated with the bottle body groove;

the upper side of the rotating part is provided with an upper inclined plane, and the upper opening of the bottleneck groove is arranged on the upper inclined plane.

An air blowing device capable of moving up and down is arranged above the rotating part, the air blowing device comprises an air blowing channel, a lower inclined surface is arranged on the lower side of the air blowing device, and an opening of the air blowing channel is arranged on the lower inclined surface;

when the blowing device moves downwards to abut against the rotating part, the lower inclined surface is abutted against the upper inclined surface, and the blowing channel is communicated with the bottle mouth groove.

Preferably, a sealing ring is arranged on the lower inclined surface and is positioned on the periphery of the opening of the air blowing channel; when the lower inclined plane is attached to the upper inclined plane, the sealing ring is attached to the inner wall of the bottleneck groove.

Preferably, the air blowing device includes:

a vertical driving source in which a driving rod is provided; and

the air blowing piece is connected with a driving rod of a vertical driving source, and the vertical driving source drives the air blowing piece to move up and down; the lower inclined surface is arranged on the lower side of the air blowing piece;

a pressing driving source is arranged on the upper side of the vertical driving source, a pressing rod is connected to the pressing driving source, and the pressing driving source drives the pressing rod to move vertically; a guide hole is formed in the vertical driving source, extends into the air blowing piece and is communicated with the air blowing channel; the pressing rod penetrates through the guide hole and is used for stretching into the molding cavity to press the bottle blank.

Preferably, the lower end part of the pressing rod is provided with a pressing block made of a flexible material, and the pressing block is in contact with the inner wall of the bottle blank.

Preferably, the week side of vertical driving source is provided with the fixed plate, be provided with spacing hole on the fixed plate, wear to be equipped with the gag lever post on the spacing hole to the both sides of vertical driving source all are provided with the gag lever post, the gag lever post of both sides is connected with the both sides of the piece of blowing respectively, and vertical driving source drives the gag lever post simultaneously and reciprocates with the piece of blowing, and the rotation of the piece of blowing is restricted to the gag lever post.

Preferably, the rear mold further comprises an installation plate, the fixed part is fixedly arranged on the installation plate, and the rotating part is rotatably arranged on the installation plate;

the mounting plate is provided with a rotating shaft, a rotating hole is formed in the rotating portion, and the rotating shaft penetrates through the rotating hole to achieve rotation of the fixing portion in the mounting plate.

Preferably, the rotating hole is formed in a corner of the rotating portion, which is close to the fixing portion, one side of the rotating portion rotates around the rotating shaft, and the other side of the rotating portion swings up and down.

Preferably, a limit block is arranged above one side of the rotating part, and the upper surface of the rotating part abuts against the limit block to limit the rotation of the rotating part.

Preferably, the circumferential surface of the air blowing piece is provided with an air inlet, and the air inlet extends towards the inner side of the air blowing piece and is communicated with the air blowing channel.

Preferably, the front die is provided with a front inclined plane matched with the upper inclined plane, and the opening of the front groove is arranged on the front inclined plane and matched with the opening of the bottleneck groove.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a slope mutually and rotate the bottleneck groove that sets up with body groove and can simply realize the processing to the bevel connection bottle, required simple structure, the required operation of producer is also simple laborsaving to also can improve certain production efficiency in the time of reduction in production cost.

2. The utility model discloses the slope plays certain positioning action on crossing, makes vertical male bottle embryo lean on the angle that can the accurate bending to set for after the application of force through rotation portion, finally improves the yields of finished product bevel connection bottle.

3. The utility model discloses a sealing ring seals the space between inclined plane and the inclined plane that has a down dip, can be inseparabler when making gas blowing device blow to the bottle embryo, thereby gaseous gap that can not bottleneck groove week side flows and influences the dilatational strain effect of bottle embryo.

4. The utility model discloses a guiding hole leads to compressing tightly the pole. The pressing rod is used for stretching into the molding cavity to press the bottle blank, so that the bottle blank can be more stable when being bent by the force application of the rotating part.

5. The utility model discloses a stopper makes the rotation restriction of rotation portion at the certain limit to guarantee that the rotation of rotation portion can not take place to interfere with the motion of other devices, the stopper also can play certain positioning action simultaneously, lets rotation portion can accurately reach the settlement position, so that placing of bottle embryo.

Drawings

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

fig. 2 is a schematic view of the back structure of the present invention;

FIG. 3 is a schematic view of a connecting structure of the rear mold and the air blowing device;

FIG. 4 is a sectional view of the air blowing device.

Reference numerals are as follows: 1. a traverse driving source;

2. a front mold; 21. a front groove; 22. a forward inclined plane;

3. a rear mold; 31. a fixed part; 32. a rotating part; 321. an upper inclined plane; 322. rotating the hole; 33. a rear groove; 331. a bottle body groove; 332. a bottleneck slot; 34. mounting a plate; 341. a rotating shaft; 35. a lifting drive source; 36. a limiting block;

4. a plastic cavity;

5. a blowing device; 51. a vertical drive source; 511. a drive rod; 512. a guide hole; 52. an air blowing member; 521. a lower inclined surface; 522. an air inlet; 53. an air blowing channel; 54. a seal ring; 55. a fixing plate; 551. a limiting hole; 56. a limiting rod; 57. a pressing drive source; 58. a hold down bar; 581. a compression block;

6. a bevel-mouth bottle.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

As shown in fig. 1-4, a bottle blowing mechanism of a bottle blowing machine for an oblique-mouth bottle comprises a front mold 2, a rear mold 3 and a traverse driving source 1. In the embodiment, the front mold 2 is transversely movably arranged on one side of the rear mold 3, and the traverse driving source 1 is arranged on the other side of the rear mold 3 and is used for driving the front mold 2 to move, so that the front mold 2 and the rear mold 3 are close to and separated from each other. Wherein, the front die 2 and the rear die 3 are respectively provided with a front groove 21 and a rear groove 33; when the front mold 2 is attached to the rear mold 3, the front groove 21 is connected with the rear groove 33 to form the plastic cavity 4, the heated bottle blank is arranged in the plastic cavity 4, the blowing device 5 of the bottle blowing machine can blow the bottle blank to enable the bottle blank to expand and deform, and finally the bottle blank is molded into a set bottle shape according to the shape track of the plastic cavity 4 designed by a producer, so that the processing from the bottle blank to a finished product bottle is completed. After the front mold 2 is separated from the rear mold 3, the finished product bottles can be taken out and conveyed to the next procedure.

With reference to fig. 1 and 3, the rear mold 3 includes a fixing portion 31, a rotating portion 32, and a mounting plate 34. The fixing portion 31 is fixedly provided on the mounting plate 34. The rotating portion 32 is rotatably provided on the mounting plate 34 and is located above the fixing portion 31. A body groove 331 is formed in the fixing portion 31, a mouth groove 332 is formed in the rotating portion 32, and the body groove 331 and the mouth groove 332 are connected to form the rear groove 33. When the lower surface of the rotating portion 32 abuts against the upper surface of the fixing portion 31, the mouth groove 332 is inclined with respect to the body groove 331 and communicates with the body groove 331.

In this embodiment, a producer may rotate the rotating portion 32 to keep the space between the mouth groove 332 and the body groove 331 on the same axis, then insert the bottle blank into the rear groove 33 from the opening of the mouth groove 332 until the lower end of the bottle blank enters the body groove 331, and then rotate the rotating portion 32 to reset to abut against the bottle blank to apply force to the bottle blank, so that the upper end of the bottle blank is bent and deformed in an inclined manner, thereby forming a primary bottle blank of the inclined-mouth bottle 6. Meanwhile, when the lower surface of the rotating portion 32 abuts against the upper surface of the fixing portion 31, and the bottle body groove 331 is communicated with the bottle opening groove 332, the shape of the whole rear groove 33 is the shape of the bevel bottle 6, the front mold 2 is only required to be close to the rear mold 3 at the moment, so that the front mold and the rear mold 3 are attached to complete mold closing, then the blowing device 5 blows air to enable the preliminary bottle blank of the bevel bottle 6 to be stressed and expanded to form the bevel bottle 6, the machining of the bevel bottle 6 is completed, and the structure is simple and the operation is convenient. Later only need front mould 2 to keep away from back mould 3, then rotate rotation portion 32, make rotation portion 32 rotate to the removal that inclined mouth bottle 6 no longer blocks inclined mouth bottle 332, the producer can make inclined mouth bottle 6 break away from back groove 33 to transport inclined mouth bottle 6 to next process, the producer also can insert next bottle embryo into bottle mouth groove 332 by the way, accomplishes the processing preparation of next bottle embryo, thereby effectively improves production efficiency.

Thereby this embodiment through with body groove 331 slope mutually and rotate the bottleneck groove 332 that sets up can simply realize the processing to the bevel connection bottle 6, required simple structure, the required operation of producer is also simple laborsaving to also can improve certain production efficiency when reduction in production cost.

Referring to fig. 1 and 3, an upper inclined surface 321 is provided on an upper side of the rotating portion 32, and an upper opening of the mouth groove 332 is provided on the upper inclined surface 321. Therefore, a producer only needs to rotate the upper inclined surface 321 to the horizontal position, the axes of the bottle mouth groove 332 and the bottle body groove 331 can be kept on the same straight line, and then the producer only needs to simply insert a bottle blank into the rear groove 33 from the opening of the bottle mouth groove 332 vertically, so that the bottle blank can be installed at the set position simply and quickly. This embodiment plays certain positioning action through last inclined plane 321, makes vertical male bottle embryo lean on can the accurate angle of bending to the settlement after the application of force through rotating part 32, finally improves the yields of finished product bevel connection bottle 6.

With reference to fig. 1, 3 and 4, an air blowing device 5 capable of moving up and down is disposed above the rotating portion 32, the air blowing device 5 includes an air blowing channel 53, a lower inclined surface 521 is disposed on a lower side of the air blowing device 5, and an opening of the air blowing channel 53 is disposed on the lower inclined surface 521. When the air-blowing device 5 moves downward against the rotating portion 32, the lower inclined surface 521 abuts against the upper inclined surface 321, and the air-blowing passage 53 communicates with the mouth groove 332. Therefore, the air blowing device 5 is matched with the rotating part 32, the air blowing channel 53 can be matched with the opening of the bottle mouth groove 332, so that air can accurately enter a bottle blank, the bottle blank can be more accurately stressed and expanded, and the quality of a finished product of the bevel-mouth bottle 6 is finally ensured.

Further, with reference to fig. 1, 3 and 4, a sealing ring 54 is disposed on the lower inclined surface 521, and is located on the periphery of the opening of the air blowing channel 53; when the lower inclined surface 521 is attached to the upper inclined surface 321, the sealing ring 54 is attached to the inner wall of the bottleneck groove 332, so that the gap between the upper inclined surface 321 and the lower inclined surface 521 is sealed, the blowing device 5 can blow air to the bottle blank more tightly, and the air does not flow out from the gap around the bottleneck groove 332 to influence the expansion deformation effect of the bottle blank.

As shown in fig. 4, the air blowing device 5 includes a vertical driving source 51 and an air blowing member 52, and a driving rod 511 is provided in the vertical driving source 51. The blowing member 52 is connected to the driving lever 511 of the vertical driving source 51, the vertical driving source 51 drives the blowing member 52 to move up and down through the driving lever 511, and the lower inclined surface 521 is provided at the lower side of the blowing port, thereby achieving the movement of the blowing device 5 to match the movement of the rotation part 32. The vertical driving source 51 is preferably an air cylinder. The upper side of the vertical driving source 51 is provided with a pressing driving source 57, a pressing rod 58 is connected to the pressing driving source 57, and the pressing driving source 57 drives the pressing rod 58 to move vertically. A guide hole 512 is formed in the vertical driving source 51, and the guide hole 512 extends into the blowing piece 52 and is communicated with the blowing channel 53; the pressing rod 58 is inserted into the guide hole 512, so that the pressing rod 58 is guided by the guide hole 512. The compressing rod 58 is used for extending into the plastic cavity 4 to compress the bottle blank, so that the bottle blank can be more stable when being bent by the force applied by the rotating part 32.

Wherein, the diameter that compresses tightly pole 58 is less, and the angle of buckling of bottle embryo is also less, so the bottleneck position of bottle embryo in the bending process and buckle the back all can not take place the contact with compressing tightly pole 58 to guarantee the effect of buckling of bottle embryo and prevent to appear compressing tightly the pole 58 and driven the possibility of buckling.

The lower end of the pressing rod 58 is provided with a pressing block 581 made of flexible material, and the pressing block 581 is in contact with the inner wall of the bottle blank. Therefore, the flexible pressing block 581 enables the pressing rod 58 to be in softer contact with the bottle blank, the possibility that the bottle blank is damaged due to the fact that the pressing rod 58 presses the bottle blank too tightly is reduced, and the final yield of the bottle blowing machine is improved.

The air inlet of the vertical driving source 51 and the air inlet 522 of the air blowing member 52 may also be independent, for example, the air inlet of the vertical driving source 51 may be disposed on the peripheral surface of the vertical driving source 51, the air inlet 522 of the air blowing member 52 may be disposed on the peripheral surface of the air blowing member 52, and the air inlet 522 extends toward the inner side of the air blowing member 52 and is communicated with the air blowing channel 53, so as to realize the circulation of the air flow in the air blowing channel 53. Thereby realizing the independent driving of the vertical driving source 51 and the air blowing piece 52 and ensuring that the bottle blowing machine for the bevel-mouth bottles 6 can operate more flexibly.

Referring to fig. 1, 3 and 4, a fixing plate 55 is disposed on a peripheral side of the vertical driving source 51, and the vertical driving source 51 may be fixed to another mechanism or a fixing surface by the fixing plate 55. The fixing plate 55 is provided with a limiting hole 551, a limiting rod 56 penetrates through the limiting hole 551, the limiting rods 56 are arranged on two sides of the vertical driving source 51, the limiting rods 56 on the two sides are respectively connected with two sides of the air blowing piece 52, the vertical driving source 51 drives the limiting rods 56 and the air blowing piece 52 to move up and down simultaneously, and therefore the air blowing piece 52 is limited to rotate by the limiting rods 56 on the two sides, and the air blowing piece 52 can stably keep a set angle to move up and down.

With reference to fig. 1 and 3, the rear mold 3 further includes a mounting plate 34, the fixing portion 31 is fixedly disposed on the mounting plate 34, and the rotating portion 32 is rotatably disposed on the mounting plate 34. The mounting plate 34 is provided with a rotating shaft 341, the rotating portion 32 is provided with a rotating hole 322, and the rotating shaft 341 is inserted into the rotating hole 322 to realize the rotation of the fixing portion 31 on the mounting plate 34. Rotating structure is simple and simple to operate.

As shown in fig. 3, the rotation hole 322 is provided at a corner of the rotation portion 32 near the fixing portion 31, and one side of the rotation portion 32 rotates around the rotation shaft 341 and the other side swings up and down. Namely, one ends of the rotating part 32 and the fixed part 31 are always connected, and the other ends of the rotating part 32 and the fixed part 31 can be separated and close to each other, so that the rotating part 32 can rotate in a fan shape, correspondingly, the rotation of the bottle opening groove 332 can also be in a fan shape, and the corresponding fan-shaped acting areas are matched with the shapes of the bottle blank and the finished bevel-mouth bottle 6. Further, when one end of the rotating portion 32 rotates toward the fixed portion 31, the bottle blank can be bent, and when one end of the rotating portion 32 rotates toward the fixed portion 31, the displacement restriction on the bevel-mouth bottle 6 can be released, so that the bevel-mouth bottle 6 can be separated from the rear groove 33.

Further, referring to fig. 1 and 3, a lifting driving source 35 is disposed on the mounting plate 34, and the lifting driving source 35 is connected to the rotating portion 32 for driving the rotating portion 32 to rotate. Thereby realizing the automation of the bottle blowing machine for rotating the rotating part 32.

Further, a limit block 36 is arranged above the swinging side of the rotating portion 32, and the upper surface of the rotating portion 32 abuts against the limit block 36 to limit the swinging of the rotating portion 32, so that the rotation of the rotating portion 32 is limited within a certain range, and the rotation of the rotating portion 32 is ensured not to interfere with the movement of other devices. Meanwhile, when the rotating portion 32 abuts against the limiting block 36, the upper inclined surface 321 on the rotating portion 32 keeps horizontal, and the opening of the bottleneck slot 332 is also in the horizontal position, so that the bottle blank can be placed more conveniently. Therefore, the limiting block 36 can also play a certain positioning role, so that the rotating part 32 can accurately reach the set position, and the bottle blank can be conveniently placed.

As shown in fig. 2, the front mold 2 is provided with a front inclined plane 22 adapted to the upper inclined plane 321, and the opening of the front groove 21 is arranged on the front inclined plane 22 and adapted to the opening of the mouth groove 332, so that when the rotating part 32 abuts against the fixing part 31, the front mold 2 and the rear mold 3 can be fitted together to form the shaping cavity 4 of the bevel bottle 6 set by the manufacturer, thereby shaping the bevel bottle 6.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims (10)

1. A bottle blowing mechanism of a bottle blowing machine for an oblique-mouth bottle is characterized by comprising

A rear mold (3);

a front mold (2) which is arranged on one side of the rear mold (3) in a transversely movable manner; and

a traversing driving source (1) which is arranged on the other side of the rear die (3) and is used for driving the front die (2) to move;

wherein a front groove (21) and a rear groove (33) are respectively formed on the front die (2) and the rear die (3); when the front die (2) is attached to the rear die (3), the front groove (21) is connected with the rear groove (33) to form a plastic cavity (4);

the rear mold (3) comprises:

a fixed part (31); and

a rotating part (32) rotatably provided above the fixing part (31);

a lifting driving source (35) connected with the rotating part (32) and used for driving the rotating part (32) to rotate;

a bottle body groove (331) is formed in the fixing portion (31), a bottle mouth groove (332) is formed in the rotating portion (32), and the bottle body groove (331) is connected with the bottle mouth groove (332) to form the rear groove (33);

when the rotating part (32) rotates to the state that the lower surface of the rotating part abuts against the upper surface of the fixing part (31), the bottle mouth groove (332) is obliquely arranged relative to the bottle body groove (331) and is communicated with the bottle body groove (331);

an upper inclined surface (321) is arranged on the upper side of the rotating part (32), and an upper opening of the bottleneck groove (332) is arranged on the upper inclined surface (321);

an air blowing device (5) capable of moving up and down is arranged above the rotating part (32), the air blowing device (5) comprises an air blowing channel (53), a lower inclined surface (521) is arranged on the lower side of the air blowing device (5), and an opening of the air blowing channel (53) is arranged on the lower inclined surface (521);

when the air blowing device (5) moves downward against the rotating portion (32), the lower inclined surface (521) abuts against the upper inclined surface (321), and an air blowing passage (53) communicates with the mouth groove (332).

2. The bottle blowing mechanism of the bottle blowing machine for the bevel-mouth bottle as claimed in claim 1, which is characterized in that: the lower inclined surface (521) is provided with a sealing ring (54) which is positioned on the peripheral side of the opening of the air blowing channel (53); when the lower inclined surface 521 abuts against the upper inclined surface 321, the seal ring 54 abuts against the inner wall of the mouth groove 332.

3. The bottle blowing mechanism of the bottle blowing machine for the bevel-mouth bottle as claimed in claim 1, which is characterized in that: the blowing device (5) comprises:

a vertical drive source (51) in which a drive rod (511) is provided; and

the air blowing piece (52) is connected with the driving rod (511) of the vertical driving source (51), and the vertical driving source (51) drives the air blowing piece (52) to move up and down; the lower inclined surface (521) is arranged on the lower side of the air blowing piece (52);

a pressing driving source (57) is arranged on the upper side of the vertical driving source (51), a pressing rod (58) is connected to the pressing driving source (57), and the pressing driving source (57) drives the pressing rod (58) to move vertically; a guide hole (512) is formed in the vertical driving source (51), and the guide hole (512) extends into the air blowing piece (52) and is communicated with the air blowing channel (53); the pressing rod (58) penetrates through the guide hole (512) and is used for stretching into the plastic cavity (4) to press the bottle blank.

4. The bottle blowing mechanism of the bottle blowing machine for the bevel-mouth bottle as claimed in claim 3, which is characterized in that: the lower end part of the pressing rod (58) is provided with a pressing block (581) made of flexible materials, and the pressing block (581) is in contact with the inner wall of the bottle blank.

5. The bottle blowing mechanism of the bottle blowing machine for the bevel-mouth bottle as claimed in claim 3, which is characterized in that: the periphery of the vertical driving source (51) is provided with a fixing plate (55), the fixing plate (55) is provided with a limiting hole (551), a limiting rod (56) penetrates through the limiting hole (551), the limiting rod (56) is arranged on each of two sides of the vertical driving source (51), the limiting rods (56) on the two sides are respectively connected with two sides of the air blowing piece (52), the vertical driving source (51) drives the limiting rods (56) to move up and down with the air blowing piece (52), and the limiting rods (56) limit the rotation of the air blowing piece (52).

6. The bottle blowing mechanism of the bevel-mouth bottle blowing machine according to any one of claims 1 to 5, which is characterized in that: the rear mould (3) further comprises an installation plate (34), the fixing part (31) is fixedly arranged on the installation plate (34), and the rotating part (32) is rotatably arranged on the installation plate (34);

the mounting plate (34) is provided with a rotating shaft (341), the rotating part (32) is provided with a rotating hole (322), and the rotating shaft (341) penetrates through the rotating hole (322) to realize the rotation of the fixing part (31) on the mounting plate (34).

7. The bottle blowing mechanism of the bottle blowing machine for the bevel-mouth bottle as claimed in claim 6, which is characterized in that: the rotating hole (322) is formed in a corner of the rotating portion (32) close to the fixing portion (31), one side of the rotating portion (32) rotates around the rotating shaft (341), and the other side of the rotating portion swings up and down.

8. The bottle blowing mechanism of the bottle blowing machine for the bevel-mouth bottle as claimed in claim 7, which is characterized in that: a limit block (36) is arranged above one side, swinging, of the rotating portion (32), and the upper surface of the rotating portion (32) abuts against the limit block (36) to limit swinging of the rotating portion (32).

9. The bottle blowing mechanism of the bevel-mouth bottle blowing machine according to claim 3, which is characterized in that: the peripheral surface of the air blowing piece (52) is provided with an air inlet (522), and the air inlet (522) extends towards the inner side of the air blowing piece (52) and is communicated with the air blowing channel (53).

10. The bottle blowing mechanism of the bevel-mouth bottle blowing machine according to claim 1 is characterized in that: the front die (2) is provided with a front inclined surface (22) matched with the upper inclined surface (321), and the opening of the front groove (21) is arranged on the front inclined surface (22) and matched with the opening of the bottleneck groove (332).

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