CN219507810U - Glass bottle blow molding device - Google Patents

Abstract

The utility model relates to a glass bottle blow-molding device which comprises a blowing part, two primary molds arranged on the machine base, an opening and closing part for driving the two primary molds to open and close, a funnel arranged on the machine base, a first driving part for driving the funnel to move, a blowing device arranged on the machine base and a second driving part for driving the blowing device to move, wherein the blowing part is arranged on the machine base and below the two primary molds, the blowing device comprises a blowing component and a choke plug arranged on the blowing component, the choke plug is provided with blowing holes, the air outlet end of the blowing component is communicated with the blowing holes, the choke plug is provided with a heat conducting cavity, the heat conducting cavity is filled with heat conducting oil, the choke plug is provided with a first heating part, and the first heating part is used for heating the heat conducting oil. The utility model can reduce the possibility of bursting of the glass bottle in the subsequent annealing step caused by overlarge temperature difference between the bottle body and the bottle bottom.

Description

Glass bottle blow molding device

Technical Field

The utility model relates to the technical field of glass bottle manufacturing, in particular to a glass bottle blow-press forming device.

Background

The process of forming a glass can refers to a series of combinations of mechanical, electronically controlled actions that are repeated in a given programmed sequence with the goal of producing a can having a desired specific shape. At present, two main processes exist in the production of glass bottle containers: blowing methods for narrow bottle openings and pressure blowing methods for use with larger caliber bottles and cans.

Wherein the blowing method comprises the following steps: the two primary moulds are tightly closed, glass gobs fall under the action of gravity and enter the primary moulds through a funnel between the two primary moulds, a choke plug at the top of the primary mould is embedded in the funnel for sealing, compressed air (namely, air is blown) is added into the tightly closed primary moulds through an air blowing mechanism, an air outlet path of the air blowing mechanism is arranged through the choke plug, and at the moment, the choke plug plays a role of blowing air to downwards press the glass gobs to enable glass at the mouth mould to be formed. The lower parts of the two primary dies are provided with blowing assemblies, the blowing pieces comprise cores and high-pressure blowing heads, and the cores are wrapped simultaneously in the process of downwards pressing glass gobs so as to form the inner diameter of the bottle mouth. And then the core is withdrawn, the funnel is withdrawn, the two primary moulds are plugged again by the movable choke plug, and at the moment, the high-pressure blowing head performs backward blowing, and the choke plug plays a role in plugging so as to form the primary mould material tire. And after the glass is preliminarily shaped, transferring the glass from the primary die to the forming die through a die so as to carry out final shaping.

The choke plug is not contacted with glass gob during the gas blowing, the choke plug is not heated and the temperature of the choke plug is reduced under the action of the gas blowing; when the choke plug contacts the glass gob, the temperature of the choke plug is lower, and when the choke plug contacts the glass gob, the surface temperature of the gob is suddenly reduced to form hard skin material, so that the temperature difference between the bottle body and the bottle bottom of the formed primary mold material is larger, and the bottle body and the bottle bottom are difficult to be completely melted and combined together to generate a gap due to the existence of the temperature difference, so that the glass bottle bursts in the subsequent annealing step.

Disclosure of Invention

In order to reduce the possibility of bursting of the glass bottle in the subsequent annealing step due to overlarge temperature difference between the bottle body and the bottle bottom, the utility model provides a glass bottle blow molding device.

The utility model provides a glass bottle blow molding device which adopts the following technical scheme:

the utility model provides a glass bottle blows pressure forming device, includes the piece of blowing, the piece of blowing is used for blowing in compressed gas between two initial moulds, still includes the frame, sets up in two initial moulds of frame, is used for driving the headstock of two initial moulds and opens and close the piece, sets up in the funnel of frame, is used for driving the first driving piece that the funnel removed, sets up in the gas device of blowing of frame and is used for driving the second driving piece that the gas device removed of blowing, the piece of blowing sets up in the frame, just the piece of blowing sets up in the below of two initial moulds, the gas device of blowing includes the gas subassembly and sets up in the choke plug of gas subassembly, the choke plug has seted up the gas pocket of blowing, the gas outlet end intercommunication of gas subassembly in the gas pocket of blowing, the heat conduction chamber has been seted up to the choke plug, the heat conduction intracavity is filled with the conduction oil, the choke plug is provided with first heating element, first heating element is used for heating the conduction oil.

Through adopting above-mentioned technical scheme, at first opening and close the piece and make two initial moulds tight, glass gob falls into between two initial moulds, through programming the setting with start first driving piece drive funnel removal and insert between two initial moulds, start the choke plug again and inlay in locating the funnel, open and blow down the gas piece and input compressed gas in to initial mould and push down glass gob for the glass shaping of bush department. And then the second driving piece drives the choke plug to withdraw from the funnel, the first driving piece drives the funnel to withdraw from between the two primary dies, and then the second driving piece drives the choke plug to be embedded between the two primary dies again so as to play a role in plugging. At this time, the air blowing member blows air reversely, the glass gob becomes a glass gob, and the gob gradually becomes larger and is pressed to contact the bulkhead. Because the choke plug is filled with high-temperature heat-conducting oil, the choke plug has higher temperature, so that when the glass material bubble contacts the choke plug, the surface temperature of the glass material bubble cannot suddenly drop to form hard coating, and the possibility of bursting of the glass bottle in the subsequent annealing step due to overlarge temperature difference between the bottle body and the bottle bottom is reduced.

Optionally, the first heating piece is including setting up in the heating cabinet of frame, setting up in the electric rod of heating cabinet inner wall, fixed and communicate in the oil feed pipe, the play oil pipe of heating cabinet and set up in the micropump of heating cabinet, the heating cabinet intussuseption is filled with the conduction oil, oil feed pipe and play oil pipe all fixed connection are in the choke plug and communicate in the heat conduction chamber.

Through adopting above-mentioned technical scheme, the heating rod heats the conduction oil in the heating cabinet, and the conduction oil after the heat is carried to the heat conduction intracavity of vexed head through the micropump again, constantly changes the conduction oil that the temperature in the heat conduction intracavity reduces to make the vexed head can keep higher temperature, when further reducing glass bleb contact vexed head, glass bleb's surface temperature takes place to drop suddenly and forms the possibility of hard skin material.

Optionally, the air-blowing component comprises an air source arranged on the machine base, an air pipe arranged on the air source and a second heating piece arranged on the air pipe, wherein the air pipe is communicated with the air source and is simultaneously fixed on the choke plug, and the air pipe is communicated with the air-blowing hole.

Through adopting above-mentioned technical scheme, the second heating piece heats the gas that the air supply passes through the trachea and carries for the gas temperature through the air hole of breathing is higher, in order to reduce the degree that the choke plug self temperature reduces when breathing, thereby further reduce when glass bleb contact choke plug, the surface temperature of glass bleb takes place to dip and forms the possibility of crust material.

Optionally, the second heating piece includes the heating pipe and sets up the heating wire in the heating pipe, heating pipe fixed connection is in the trachea inner wall, just heating pipe and trachea are with the central axis setting, the heating pipe is made by insulating material such as pottery.

Through adopting above-mentioned technical scheme, the heating wire heats the gas that the air supply was carried through the trachea for the gas temperature through the air hole of flapping is higher, and the heating pipe of insulating material such as by pottery is in order to protect the trachea.

Optionally, the opening and closing piece includes the axis of rotation of fixed connection in the frame and two all rotate the cylinder of opening and closing of connecting in the axis of rotation, two the flexible end of opening and closing the cylinder corresponds the rotation respectively and connects in two primary mould, two the equal rotation of primary mould is connected in the axis of rotation.

Through adopting above-mentioned technical scheme, the flexible end of two opening and close the cylinder stretches out and draws back simultaneously to drive two primary mould relatively and be close to or keep away from relatively, in order to realize closing or opening two primary mould stability, and the flexible end of two opening and close the cylinder stretches out can continuously provide power and can make two primary moulds closely laminating each other, in order to increase the gas tightness between two primary moulds when blowing with blowing backward, in order to reduce the glass bottle because of the uneven possibility that leads to glass bottle wall thickness when the shaping of atmospheric pressure.

Optionally, the first driving piece includes the first cylinder that sets up in the frame, sets up in the first servo motor of the flexible end of first cylinder and sets up in the first support of first servo motor drive shaft, the drive shaft of first servo motor is on a parallel with the flexible direction of the flexible end of first cylinder, the funnel sets up in first support.

Through adopting above-mentioned technical scheme, the flexible end of first cylinder is flexible to drive first servo motor and first support and is gone up and down along vertical direction, and first servo motor drives first support simultaneously and rotates on the horizontal plane for the funnel can realize the removal of vertical direction and horizontal plane simultaneously, opens and close through programming control first cylinder and first servo motor, with the drive funnel insert or withdraw from between two initial moulds, can reduce simultaneously that the line of funnel insert or withdraw from between two initial moulds is to the choke plug in the embedding withdraws from the funnel or the influence that the travel path between two initial moulds produced.

Optionally, the second driving piece includes the second cylinder that sets up in the frame, sets up in the second servo motor of the flexible end of second cylinder and sets up in the second support of second servo motor drive shaft, the drive shaft of second servo motor is on a parallel with the flexible direction of the flexible end of second cylinder, the choke subassembly and choke plug set up in the second support.

Through adopting above-mentioned technical scheme, the flexible end of second cylinder stretches out and draws back and drives second servo motor and second support along vertical direction, and second servo motor drives the second support simultaneously and rotates on the horizontal plane for the removal of vertical direction and horizontal plane can be realized simultaneously to the choke subassembly and choke plug, opens and shuts through programming control second cylinder and second servo motor, with drive choke subassembly and choke plug embedding or withdraw from between two initial moulds, can reduce simultaneously that choke plug and funnel produce the possibility of influence between the travel path between embedding or withdraw from two initial moulds.

Optionally, the first cylinder and the second cylinder are a double-shaft cylinder, a guide rod cylinder, a sliding table cylinder and the like.

By adopting the technical scheme, the double-shaft cylinder has bending resistance and torsion resistance, and the output force of the double-shaft cylinder is larger than that of the single-shaft cylinder; the guide rod cylinder can bear a certain transverse load; the slipway cylinder can resist torque, has strong load capacity and can realize looseness-free stable movement, so that the three cylinders can adapt to the torque generated on the telescopic end of the cylinder when the first servo motor drives the first bracket and the second servo motor drives the second bracket to rotate, the lifting of the first bracket and the second bracket is more stable, and the funnel or the choke plug can be relatively, stably and accurately embedded between two primary dies.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the choke plug is filled with high-temperature heat conducting oil, so that the choke plug has higher temperature, and when the glass material bubble contacts the choke plug, the surface temperature of the glass material bubble does not suddenly drop to form hard coating, thereby reducing the possibility of bursting of the glass bottle in the subsequent annealing step due to overlarge temperature difference between the bottle body and the bottle bottom;

2. the micro pump conveys the heated heat conduction oil into the heat conduction cavity of the choke plug, and the heat conduction oil with reduced temperature in the heat conduction cavity is continuously replaced, so that the choke plug can keep higher temperature, and the possibility that the surface temperature of the glass material bubble suddenly drops to form hard leather when the glass material bubble contacts the choke plug is further reduced;

3. the heating piece makes the gas temperature through the air-blowing holes higher so as to reduce the temperature reduction degree of the choke plug when the choke plug is blown, thereby further reducing the possibility that the surface temperature of the glass bleb suddenly drops to form hard skin when the glass bleb contacts the choke plug.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a schematic view of a first partial structure of an embodiment of the present utility model.

Fig. 3 is a second partial structure diagram of an embodiment of the present utility model.

Fig. 4 is a schematic view of a partial cross-sectional structure of a bulkhead according to an embodiment of the utility model.

Fig. 5 is a schematic view of a partial cross-sectional structure of a trachea in an embodiment of the utility model.

Reference numerals: 1. a base; 2. a primary mould; 21. an opening and closing member; 211. a rotating shaft; 212. opening and closing the cylinder; 3. a funnel; 31. a first driving member; 311. a first cylinder; 312. a first servo motor; 313. a first bracket; 3131. a first strut; 3132. a first cross arm; 4. a gas-blowing device; 41. a puff assembly; 411. a gas source; 412. an air pipe; 413. a second heating member; 4131. heating pipes; 4132. heating wires; 42. a choke plug; 421. air holes are formed; 5. a second driving member; 51. a second cylinder; 52. a second servo motor; 53. a second bracket; 531. a second strut; 532. a second cross arm; 6. a heat conducting cavity; 7. an air blowing member; 8. a first heating member; 81. a heating box; 82. an oil inlet pipe; 83. an oil outlet pipe; 84. a micropump.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a glass bottle blow molding device. Referring to fig. 1 and 2, the glass bottle blow molding device comprises a machine base 1, two primary molds 2, an opening and closing member 21, a funnel 3, a first driving member 31, an air blowing device 4, a second driving member 5 and an air blowing member 7, wherein the machine base 1 is horizontally arranged. The opening and closing member 21 includes a rotation shaft 211 fixedly connected to the housing 1 and two opening and closing cylinders 212, and the rotation shaft 211 is disposed perpendicular to the housing 1. The two primary dies 2 are both rotatably connected to the rotating shaft 211, and the opening directions of the die cavities of the two primary dies 2 are opposite. The cylinder bodies of the two opening and closing cylinders 212 are both rotationally connected to the rotating shaft 211, and the telescopic ends of the two opening and closing cylinders 212 are respectively correspondingly rotationally connected to the outer walls of the two primary dies 2. The blowing piece 7 is arranged on the machine base 1, the blowing piece 7 is arranged below the two primary dies 2, and the blowing piece 7 is used for blowing compressed gas between the two primary dies 2, so that glass gobs form gobs and the gobs become large.

Referring to fig. 1 and 3, the first driving member 31 includes a first cylinder 311, a first servo motor 312, and a first bracket 313, a cylinder body of the first cylinder 311 is fixedly connected to the base 1, and the first cylinder 311 is adjacently disposed to the blank mold 2. The first servo motor 312 is fixedly connected to the telescopic end of the first cylinder 311, and the driving shaft of the first servo motor 312 is parallel to the telescopic direction of the telescopic end of the first cylinder 311. The first support 313 includes a first support bar 3131 and a first cross arm 3132 fixedly connected to the first support bar 3131, the first support bar 3131 is fixedly connected to an output shaft of the first servo motor 312, and the funnel 3 is fixedly connected to the first cross arm 3132.

The telescopic end of the first cylinder 311 stretches and contracts to drive the first servo motor 312 and the first support 313 to lift along the vertical direction, and meanwhile, the first servo motor 312 drives the first support 313 to rotate on the horizontal plane, so that the funnel 3 can move along the vertical direction and the horizontal plane at the same time.

Referring to fig. 1 and 3, the second driving part 5 includes a second cylinder 51, a second servo motor 52 and a second bracket 53, the cylinder body of the second cylinder 51 is fixedly connected to the base 1, and the second cylinder 51 is adjacently disposed to the blank mold 2. The second servo motor 52 is fixedly connected to the telescopic end of the second cylinder 51, and the driving shaft of the second servo motor 52 is parallel to the telescopic direction of the telescopic end of the second cylinder 51. The second bracket 53 includes a second support rod 531 and a second cross arm 532 fixedly connected to the second support rod 531, the second support rod 531 is fixedly connected to the output shaft of the second servo motor 52, and the air-blowing device 4 is disposed on the second cross arm 532.

The telescopic end of the second air cylinder 51 stretches out and draws back to drive the second servo motor 52 and the second support 53 to rotate on the horizontal plane simultaneously by the second servo motor 52, so that the air-blowing component 41 and the choke plug 42 can simultaneously realize movement in the vertical direction and the horizontal plane, the opening and closing of the second air cylinder 51 and the second servo motor 52 are controlled through programming so as to drive the air-blowing component 41 and the choke plug 42 to be embedded into or withdrawn from between the two primary dies 2, and meanwhile the possibility that the choke plug 42 and the funnel 3 influence between moving paths embedded into or withdrawn from between the two primary dies 2 can be reduced.

Referring to fig. 1 and 3, the first cylinder 311 and the second cylinder 51 are a biaxial cylinder, a guide rod cylinder, a slide table cylinder, etc., and in the embodiment of the present utility model, the first cylinder 311 and the second cylinder 51 are guide rod cylinders. The double-shaft cylinder has bending resistance and torsion resistance, and the output force of the double-shaft cylinder is larger than that of the single-shaft cylinder; the guide rod cylinder can bear a certain transverse load; the sliding table cylinder can resist torque, has strong load capacity and can realize stable movement without looseness, so that the three cylinders can adapt to the torque generated on the telescopic end of the cylinder when the first servo motor 312 drives the first bracket 313 and the second servo motor 52 drives the second bracket 53 to rotate, the lifting of the cylinder to the first bracket 313 and the second bracket 53 is more stable, and the funnel 3 or the choke plug 42 can be relatively stably and accurately embedded between the two primary dies 2.

Referring to fig. 1, 3 and 4, the air-blowing device 4 includes an air-blowing component 41 disposed on the second cross arm 532 and a choke plug 42 disposed on the air-blowing component 41, the choke plug 42 is provided with air-blowing holes 421, the axis of the air-blowing holes 421 is vertically disposed, and the air-outlet end of the air-blowing component 41 is connected to the air-blowing holes 421. The bulkhead 42 is provided with a heat conducting cavity 6, and heat conducting oil is filled in the heat conducting cavity 6. The bulkhead 42 is provided with a first heating element 8, and the first heating element 8 is used for heating the heat transfer oil.

First, the two opening and closing cylinders 212 are started to tightly close the two primary molds 2, and glass gobs fall between the two primary molds 2. The first cylinder 311 and the first servo motor 312 are controlled to be opened and closed through programming so as to drive the funnel 3 to insert or withdraw from between the two primary molds 2, the second cylinder 51 and the second servo motor 52 are controlled to be opened and closed through programming so as to drive the air-blowing component 41 and the choke plug 42 to be embedded into the funnel 3, and the air-blowing component 41 is opened to input compressed air into the primary molds 2 to press glass gobs down, so that glass at the mouth molds is molded.

Then the second cylinder 51 and the second servo motor 52 drive the choke plug 42 to withdraw from the hopper 3, the first cylinder 311 and the first servo motor 312 drive the hopper 3 to withdraw from between the two primary dies 2, and then the second cylinder 51 and the second servo motor 52 drive the choke plug 42 to be embedded between the two primary dies 2 again so as to play a role in plugging. At this time, the blowing member 7 blows air reversely, the glass gob becomes a glass gob, and the gob gradually becomes larger and presses against the bulkhead 42. Because the choke plug 42 is filled with high-temperature heat-conducting oil, the choke plug 42 has higher temperature, so that when the glass bleb contacts the choke plug 42, the surface temperature of the glass bleb cannot suddenly drop to form hard coating, and the possibility of bursting of the glass bottle in the subsequent annealing step due to overlarge temperature difference between the bottle body and the bottle bottom is reduced.

Referring to fig. 1 and 5, the first heating member 8 includes a heating box 81, an electric heating rod, an oil inlet pipe 82, an oil outlet pipe 83, and a micro pump 84 provided in the heating box 81, the heating box 81 is fixedly connected to the second cross arm 532, and heat transfer oil is filled in the heating box 81. The electric heating rod is fixedly connected to the inner wall of the heating box 81, one ends of the oil inlet pipe 82 and the oil outlet pipe 83 are fixedly connected to the heating box 81, and the other ends of the oil inlet pipe 82 and the oil outlet pipe 83 are fixedly connected to the choke plug 42 and are communicated to the heat conducting cavity 6.

The heating rod heats the heat conduction oil in the heating box 81, and then the heated heat conduction oil is conveyed into the heat conduction cavity 6 of the choke plug 42 through the micropump 84, so that the heat conduction oil with reduced temperature in the heat conduction cavity 6 is continuously replaced, the choke plug 42 can keep higher temperature, and the possibility that the surface temperature of the glass bleb suddenly drops to form hard materials when the glass bleb contacts the choke plug 42 is further reduced.

Referring to fig. 1 and 3, the air-puff assembly 41 includes an air source 411 disposed on the base 1, an air pipe 412 disposed on the air source 411, and a second heating member 413 disposed on the air pipe 412, wherein one end of the air pipe 412 is connected to the air source 411, the other end of the air pipe 412 is fixed to the bulkhead 42, and the air pipe 412 is connected to the air-puff hole 421. The second heating element 413 includes a heating tube 4131 and a heating wire 4132 disposed in the heating tube 4131, the heating tube 4131 is fixedly connected to the inner wall of the air tube 412, and the heating tube 4131 and the air tube 412 are disposed at the same central axis, and the heating tube 4131 is made of an insulating material such as ceramic.

The heating wire 4132 heats the gas delivered by the gas source 411 through the gas pipe 412, so that the temperature of the gas passing through the gas-blowing holes 421 is higher, and the degree of temperature reduction of the choke plug 42 during gas blowing is reduced, thereby further reducing the possibility that the surface temperature of the glass bleb suddenly drops to form hard skin when the glass bleb contacts the choke plug 42. The air tube 412 is protected by a heating tube 4131 made of an insulating material such as ceramic.

The implementation principle of the blowing and pressing forming device for the glass bottle provided by the embodiment of the utility model is as follows: first, the two opening and closing cylinders 212 are started to tightly close the two primary molds 2, and glass gobs fall between the two primary molds 2. The first cylinder 311 and the first servo motor 312 are controlled to be opened and closed through programming so as to drive the funnel 3 to insert or withdraw from between the two primary molds 2, the second cylinder 51 and the second servo motor 52 are controlled to be opened and closed through programming so as to drive the air-blowing component 41 and the choke plug 42 to be embedded into the funnel 3, and the air-blowing component 41 is opened to input compressed air into the primary molds 2 to press glass gobs down, so that glass at the mouth molds is molded.

Then the second cylinder 51 and the second servo motor 52 drive the choke plug 42 to withdraw from the hopper 3, the first cylinder 311 and the first servo motor 312 drive the hopper 3 to withdraw from between the two primary dies 2, and then the second cylinder 51 and the second servo motor 52 drive the choke plug 42 to be embedded between the two primary dies 2 again so as to play a role in plugging. At this time, the blowing member 7 blows air reversely, the glass gob becomes a glass gob, and the gob gradually becomes larger and presses against the bulkhead 42.

Because the choke plug 42 is filled with high-temperature heat-conducting oil, the choke plug 42 has higher temperature, so that when the glass bleb contacts the choke plug 42, the surface temperature of the glass bleb cannot suddenly drop to form hard coating, and the possibility of bursting of the glass bottle in the subsequent annealing step due to overlarge temperature difference between the bottle body and the bottle bottom is reduced.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. The utility model provides a glass bottle blow-press forming device, includes blowing piece (7), blowing piece (7) are used for blowing in compressed gas between two primary mould (2), blowing piece (7) are used for making glass gob form the bleb and make the bleb grow, its characterized in that: still include frame (1), set up in two primary mould (2) of frame (1), be used for driving opening and close piece (21) of two primary mould (2) opening and close, set up in funnel (3) of frame (1), be used for driving first driving piece (31) of funnel (3) removal, set up in the air-blowing device (4) of frame (1) and be used for driving second driving piece (5) of air-blowing device (4) removal, air-blowing piece (7) set up in frame (1), just air-blowing piece (7) set up in the below of two primary mould (2), air-blowing device (4) including air-blowing subassembly (41) and set up in choke plug (42) of air-blowing subassembly (41), choke plug (42) have seted up air-blowing hole (421), air-out end intercommunication of air-blowing subassembly (41) is in air-blowing hole (421), heat conduction chamber (6) are filled with conduction oil in choke plug (42), choke plug (42) are provided with first heating piece (8), first heating piece (8) are used for heating heat conduction oil.

2. A glass bottle blow molding apparatus as in claim 1 wherein: the first heating piece (8) comprises a heating box (81) arranged on the machine base (1), an electric heating rod arranged on the inner wall of the heating box (81), an oil inlet pipe (82) fixed to the heating box (81) and communicated with the heating box (81), an oil outlet pipe (83) and a micropump (84) arranged on the heating box (81), heat conducting oil is filled in the heating box (81), and the oil inlet pipe (82) and the oil outlet pipe (83) are fixedly connected to a choke plug (42) and communicated with the heat conducting cavity (6).

3. A glass bottle blow molding apparatus as in claim 1 wherein: the air-blowing component (41) comprises an air source (411) arranged on the machine base (1), an air pipe (412) arranged on the air source (411) and a second heating piece (413) arranged on the air pipe (412), wherein the air pipe (412) is communicated with the air source (411), the air pipe (412) is simultaneously fixed on the choke plug (42), and the air pipe (412) is communicated with the air-blowing hole (421).

4. A glass bottle blow molding apparatus as in claim 3 wherein: the second heating element (413) comprises a heating tube (4131) and an electric heating wire (4132) arranged in the heating tube (4131), the heating tube (4131) is fixedly connected to the inner wall of the air tube (412), the heating tube (4131) and the air tube (412) are arranged on the same central axis, and the heating tube (4131) is made of an insulating material.

5. A glass bottle blow molding apparatus as in claim 1 wherein: the opening and closing piece (21) comprises a rotating shaft (211) fixedly connected to the machine base (1) and two opening and closing cylinders (212) which are all rotatably connected to the rotating shaft (211), the telescopic ends of the two opening and closing cylinders (212) are respectively correspondingly rotatably connected to the two primary dies (2), and the two primary dies (2) are all rotatably connected to the rotating shaft (211).

6. A glass bottle blow molding apparatus as in claim 1 wherein: the first driving piece (31) comprises a first air cylinder (311) arranged on the base (1), a first servo motor (312) arranged at the telescopic end of the first air cylinder (311) and a first support (313) arranged on the driving shaft of the first servo motor (312), the driving shaft of the first servo motor (312) is parallel to the telescopic direction of the telescopic end of the first air cylinder (311), and the funnel (3) is arranged on the first support (313).

7. The apparatus for blow molding glass bottles as defined in claim 6 wherein: the second driving piece (5) comprises a second air cylinder (51) arranged on the base (1), a second servo motor (52) arranged at the telescopic end of the second air cylinder (51) and a second bracket (53) arranged on the driving shaft of the second servo motor (52), the driving shaft of the second servo motor (52) is parallel to the telescopic direction of the telescopic end of the second air cylinder (51), and the air-blowing assembly (41) and the choke plug (42) are arranged on the second bracket (53).

8. The apparatus for blow molding glass bottles as defined in claim 7 wherein: the first cylinder (311) and the second cylinder (51) are a double-shaft cylinder, a guide rod cylinder and a sliding table cylinder.