CN112045977A

CN112045977A - Automatic blowing machine of adjustable mould length

Info

Publication number: CN112045977A
Application number: CN202010929996.XA
Authority: CN
Inventors: 邱特
Original assignee: Jining Yanbei Plastic Co Ltd
Current assignee: Jining Yanbei Plastic Co Ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2020-12-08

Abstract

The invention discloses an automatic blow molding machine capable of adjusting the length of a mold, which comprises a plastic uptake machine shell, wherein a working cavity is arranged in the plastic uptake machine shell, a mold adjusting assembly is arranged in the working cavity, the mold adjusting assembly comprises a movable support plate which is arranged on the inner wall of the rear side of the working cavity and can slide up and down, a fixed support which is fixedly arranged at the upper end of the movable support plate, rear baffles which are symmetrically and fixedly arranged at the front end and the rear end of the fixed support in a front-back mode, upper baffles which are symmetrically and fixedly arranged at the left end and the right end of the fixed support in a left-right mode, and an adjustable mold which is arranged at the lower end of the upper baffles and can slide left and right, the automatic mold adjusting device can adjust the commodities with different lengths by adjusting the distance between the left adjustable mold and the right adjustable mold, realizes that one device can adapt to the commodities with, and the plastic suction work of sheet processing is automatically finished, so that the danger possibly generated to workers is avoided.

Description

Automatic blowing machine of adjustable mould length

Technical Field

The invention relates to the technical field of blow molding machines, in particular to an automatic blow molding machine capable of adjusting the length of a mold.

Background

Some products, models are various, and are classified according to the purpose of use. When the products are packaged, the packaging plastics are usually produced in a plastic sucking mode and are attached with paperboards with commodity information in order to conveniently display the characteristics of the products.

Most current plastic suction machines can only carry out plastic suction work according to fixed moulds. And when the commodity with more types is subjected to plastic uptake production and packaging plastics, various molds need to be designed. Therefore, the method is not in accordance with the economic principle, the types of the molds are various, great troubles are brought to warehouse management, and the proper mold cannot be taken out in time according to the characteristics of the commodity during emergency calling.

And most of plastic suction machines adopt a manual operation mode, so that certain danger is caused to workers.

Disclosure of Invention

The object of the present invention is to provide an automatic blow molding machine with adjustable mold length, which overcomes the above-mentioned drawbacks of the prior art.

The automatic blow molding machine capable of adjusting the length of the mold comprises a plastic uptake machine shell, a working cavity is arranged in the plastic uptake machine shell, a mold adjusting assembly is arranged in the working cavity, the mold adjusting assembly comprises a movable support plate which is arranged on the inner wall of the rear side of the working cavity and can slide up and down, a fixed support which is fixedly arranged at the upper end of the movable support plate, rear baffles which are symmetrically and fixedly arranged at the front end and the rear end of the fixed support in a front-back mode, upper baffles which are symmetrically and fixedly arranged at the left end and the right end of the fixed support in a left-right mode, and an adjustable mold which is arranged at the lower end of the upper baffles and can slide left and right, the lower end of the adjustable mold, the upper end of the movable support plate and one end of the rear baffles, which is close to a symmetric center, are in sliding connection, a heating opening and closing, The rotary shaft support is rotatably connected with a first transmission shaft at the front end of the rotary shaft support, the heating cover is fixedly arranged on the first transmission shaft, the feeding through hole is formed in the inner wall of the upper side of the working cavity and communicated with the outside, and a power transmission assembly is further arranged in the working cavity.

Preferably, a vacuumizing device is fixedly arranged on the inner wall of the left side of the working cavity, a sheet support is fixedly arranged on the inner wall of the rear side of the working cavity, a supporting ring is fixedly arranged on the inner ring of the sheet support, and two sheet clamping grooves communicated with the working cavity are formed in the inner walls of the left side and the right side of the sheet support.

Wherein the mold adjusting assembly further comprises a linkage through hole which is arranged in the movable support plate and is vertically communicated, an adjusting cavity is arranged in the adjustable mold, a linkage rack is fixedly arranged on the inner wall of the upper side of the adjusting cavity, horizontal supports are symmetrically and fixedly arranged at the left and right ends of the two ends of the fixed support, the front end of each horizontal support is rotatably connected with a second transmission shaft, a linkage gear which is in friction connection with the lower end of the linkage rack is fixedly arranged on the second transmission shaft, a first bevel gear which is positioned at the front side of the linkage gear is fixedly arranged at the front end of the second transmission shaft, a third transmission shaft which extends leftwards and rightwards is rotatably connected with the fixed support, a second bevel gear which is in meshing connection with the first bevel gear is fixedly arranged at the two ends of the third transmission shaft, an auxiliary pulley is fixedly arranged on the third transmission shaft positioned at the left side of the, the right end of the vertical support is rotatably connected with a fourth transmission shaft, a main belt wheel is fixedly arranged on the fourth transmission shaft, a belt is connected between the main belt wheel and the auxiliary belt wheel, a vertical connecting rod which extends downwards through the linkage through hole is fixedly arranged at the lower end of the linkage rack, a connecting spring is connected between the vertical connecting rod and the fixed support, a horizontal connecting rod which extends leftwards is fixedly arranged at the lower end of the vertical connecting rod, a matching sliding block is fixedly arranged at one end of the horizontal connecting rod, which is far away from the symmetry center, two sliding supports which can slide leftwards and rightwards are arranged on the inner wall at the rear side of the working cavity in a bilateral symmetry manner, a matching cavity with an upper side opening is arranged in the sliding support, the inner wall of the matching cavity is in sliding connection with the matching sliding block, a fixed inclined plane block is fixedly arranged at the lower end of the sliding support at the left side, a, slide stopper upper end from a left side to the right side and be equipped with ten spacing grooves uniformly, just the spacing groove can with fixed inclined plane piece sliding connection, working chamber downside inner wall be equipped with external communicating pull rod slide, sliding connection have on the pull rod slide with slide stopper lower extreme fixed connection's the pull rod that resets, working chamber rear side inner wall set firmly with vertical support upper end fixed connection's commodity support, set firmly the commodity sliding connection's that can with required packing cooperation spout on the commodity support, inner wall through-hole rear side inner wall be equipped with external communicating inner wall through-hole.

The heating opening and closing assembly further comprises a fifth transmission shaft which is rotatably connected to the inner wall of the upper side of the working cavity and extends upwards to the outside, a fixed rotating wheel is fixedly arranged on the fifth transmission shaft in the working cavity, a main torsion spring is connected between the fixed rotating wheel and the inner wall of the upper side of the working cavity, a third bevel gear is fixedly arranged on the fifth transmission shaft in the outside, and a fourth bevel gear which is positioned on the front side of the heating cover and is meshed with the third bevel gear is fixedly arranged on the first transmission shaft.

Wherein, the power transmission component comprises an electromagnet fixedly arranged on the inner wall of the lower side of the working cavity, the inner wall of the lower side of the working cavity is provided with a magnetic support which can slide left and right and is positioned on the right side of the electromagnet, a linkage spring is connected between the magnetic support and the electromagnet, the magnetic support is rotatably connected with a sixth transmission shaft which extends left and right, the sixth transmission shaft positioned on the left side of the magnetic support is fixedly provided with a first coupling, the fourth transmission shaft is fixedly provided with a second coupling which is positioned on the right side of the main belt pulley and can be matched and connected with the first coupling, the inner wall of the right side of the working cavity is fixedly provided with a motor, the left end of the motor is in power connection with a seventh transmission shaft which is in splined connection with the sixth transmission shaft, the seventh transmission shaft is fixedly provided with a fifth bevel gear, the inner wall of the right side of the working cavity is fixedly provided with a fixed support plate, a sixth bevel gear meshed with the fifth bevel gear is fixedly arranged on the eighth transmission shaft positioned on the lower side of the fixed support plate, a power friction wheel is fixedly arranged on the eighth transmission shaft positioned on the upper side of the fixed support plate, a third coupler positioned on the upper side of the power friction wheel is fixedly arranged on the eighth transmission shaft, a ninth transmission shaft which extends up and down and is in friction connection with the fifth transmission shaft is rotatably connected to the movable support plate, a fourth coupler which can be matched and connected with the third coupler is fixedly arranged on the ninth transmission shaft positioned on the lower side of the movable support plate, a tenth transmission shaft which is positioned on the left side of the eighth transmission shaft and extends upwards is rotatably connected to the fixed support plate, a threaded part on the tenth transmission shaft is in threaded connection with an internal threaded part of the movable support plate, and a driven friction wheel in friction connection with the power friction wheel is fixedly arranged on the tenth transmission shaft, and an auxiliary torsion spring is connected between the driven friction wheel and the fixed support plate.

The invention has the beneficial effects that: the invention can adjust the distance between the left and right adjustable dies, can automatically adjust the dies of different lengths, realizes that one device is suitable for various types of goods, reduces the design and production of dies of various types, saves the cost, automatically finishes the blister work of sheet processing, and avoids the danger possibly generated to workers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic diagram of the overall construction of an adjustable mold length automated blow molding machine of the present invention;

FIG. 2 is a schematic enlarged view of the structure of "A" of FIG. 1;

FIG. 3 is a schematic enlarged view of the structure of "B" of FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-4, an automatic blow molding machine capable of adjusting mold length according to an embodiment of the present invention includes a plastic uptake machine housing 11, a working chamber 12 is disposed in the plastic uptake machine housing 11, a mold adjusting assembly 901 is disposed in the working chamber 12, the mold adjusting assembly 901 includes a movable support plate 29 disposed on a rear inner wall of the working chamber 12 and capable of sliding up and down, a fixed bracket 42 fixed on an upper end of the movable support plate 29, rear baffles 74 symmetrically disposed front and rear ends of the fixed bracket 42, upper baffles 53 symmetrically disposed left and right ends of the fixed bracket 42, an adjustable mold 35 disposed on a lower end of the upper baffles 53 and capable of sliding left and right, and a lower end of the adjustable mold 35 is slidably connected with an upper end of the movable support plate 29 and an end of the rear baffles 74 close to a symmetric center, by changing a distance between the adjustable molds 35 on the left and right sides, the mold adjustment is realized, a heating opening and closing assembly 902 is arranged at the upper end of the plastic uptake housing 11, the heating opening and closing assembly 902 comprises a rotating shaft support 40 fixedly arranged at the upper end of the plastic uptake housing 11, a first transmission shaft 39 rotatably connected to the front end of the rotating shaft support 40, a heating cover 32 fixedly arranged on the first transmission shaft 39 and capable of generating heat, and a feeding through hole 36 arranged on the inner wall of the upper side of the working cavity 12 and communicated with the outside, whether the working cavity 12 is communicated with the outside or not is controlled by rotating the heating cover 32, and a power transmission assembly 903 used for providing power for the mold adjustment assembly 901 and the heating opening and closing assembly 902 is further arranged in the working cavity 12.

Advantageously, a vacuum-pumping device 30 capable of performing vacuum-pumping operation is fixedly arranged on the inner wall of the left side of the working chamber 12, a sheet support 31 is fixedly arranged on the inner wall of the rear side of the working chamber 12, a supporting ring 34 is fixedly arranged on the inner ring of the sheet support 31, two sheet clamping grooves 33 communicated with the working chamber 12 are arranged on the inner walls of the left side and the right side of the sheet support 31, and a worker can clamp a sheet to be processed into the sheet clamping grooves 33 for fixing.

According to the embodiment, the mold adjusting assembly 901 will be described in detail below, the mold adjusting assembly 901 further includes a linkage through hole 41 disposed in the movable support plate 29 and penetrating up and down, an adjusting cavity 76 is disposed in the adjustable mold 35, a linkage rack 44 is fixedly disposed on an inner wall of an upper side of the adjusting cavity 76, horizontal brackets 77 are symmetrically and fixedly disposed at left and right ends of two ends of the fixed bracket 42, a second transmission shaft 46 is rotatably connected to a front end of the horizontal bracket 77, a linkage gear 51 frictionally connected to a lower end of the linkage rack 44 is fixedly disposed on the second transmission shaft 46, a first bevel gear 45 disposed at a front end of the linkage gear 51 is fixedly disposed at a front end of the second transmission shaft 46, a third transmission shaft 49 extending left and right is rotatably connected to the fixed bracket 42, a second bevel gear 50 engaged with the first bevel gear 45 is fixedly disposed at two ends of the third transmission shaft 49, the third transmission shaft 49 on the left side of the fixed support 42 is fixedly provided with an auxiliary pulley 78, the inner wall of the rear side of the working cavity 12 is fixedly provided with a vertical support 22, the right end of the vertical support 22 is rotatably connected with a fourth transmission shaft 18, the fourth transmission shaft 18 is fixedly provided with a main pulley 19, a belt 48 is connected between the main pulley 19 and the auxiliary pulley 78, the lower end of the linkage rack 44 is fixedly provided with a vertical connecting rod 52 extending downwards through the linkage through hole 41, a connecting spring 47 is connected between the vertical connecting rod 52 and the fixed support 42, the lower end of the vertical connecting rod 52 is fixedly provided with a horizontal connecting rod 54 extending leftwards, one end of the horizontal connecting rod 54 far away from the symmetry center is fixedly provided with a matching slide block 56, the inner wall of the rear side of the working cavity 12 is bilaterally and symmetrically provided with two slide supports 28 capable of sliding leftwards and rightwards, and the inner wall of, the right side the sliding support 28 left end with adjust chamber 76 right side inner wall parallel and level, be equipped with upside open-ended cooperation chamber 55 in the sliding support 28, just cooperation chamber 55 inner wall with cooperation slider 56 sliding connection, the left side the sliding support 28 lower extreme has set firmly fixed bevel block 27, vertical support 22 left end is equipped with the slip stopper 25 that can slide from top to bottom, be connected with reset spring 57 between slip stopper 25 and the working chamber 12 downside inner wall, slip stopper 25 upper end is equipped with ten spacing grooves 26 from a left side to the right side uniformly, just spacing groove 26 can with fixed bevel block 27 sliding connection, working chamber 12 downside inner wall is equipped with the communicating pull rod slide 23 with the external world, sliding connection has on the pull rod slide 23 with the reset pull rod 24 of slip stopper 25 lower extreme fixed connection, working chamber 12 rear side inner wall set firmly with vertical support 22 upper end fixed connection's commodity support 20, the commodity support 20 is fixedly provided with a matching chute 73 which can be in sliding connection with commodities to be packaged, the inner wall of the rear side of the inner wall through hole 21 is provided with an inner wall through hole 21 communicated with the outside, and a worker can place the commodities on the matching chute 73 through the inner wall through hole 21 and make the commodities in sliding connection with the matching chute 73.

According to an embodiment, the heating opening and closing assembly 902 is described in detail below, the heating opening and closing assembly 902 further includes a fifth transmission shaft 15 rotatably connected to an upper inner wall of the working chamber 12 and extending upward to the outside, a fixed rotating wheel 14 is fixedly disposed on the fifth transmission shaft 15 located in the working chamber 12, a main torsion spring 13 is connected between the fixed rotating wheel 14 and the upper inner wall of the working chamber 12, a third bevel gear 37 is fixedly disposed on the fifth transmission shaft 15 located in the outside, and a fourth bevel gear 38 which is located in front of the heating cover 32 and is engaged with the third bevel gear 37 is fixedly disposed on the first transmission shaft 39.

According to the embodiment, the power transmission assembly 903 is described in detail below, the power transmission assembly 903 includes an electromagnet 70 fixedly disposed on the inner wall of the lower side of the working chamber 12, the inner wall of the lower side of the working chamber 12 is provided with a magnetic support 68 capable of sliding left and right and located on the right side of the electromagnet 70, a linkage spring 69 is connected between the magnetic support 68 and the electromagnet 70, the magnetic support 68 is rotatably connected with a sixth transmission shaft 67 extending left and right, the sixth transmission shaft 67 located on the left side of the magnetic support 68 is fixedly provided with a first coupling 71, the fourth transmission shaft 18 is fixedly provided with a second coupling 72 located on the right side of the main belt wheel 19 and capable of being in fit connection with the first coupling 71, the inner wall of the right side of the working chamber 12 is fixedly provided with a motor 63, the left end of the motor 63 is power connected with a seventh transmission shaft 64 in spline connection with the sixth transmission shaft 67, a fifth bevel gear 66 is fixedly arranged on the seventh transmission shaft 64, a fixed support plate 62 is fixedly arranged on the inner wall of the right side of the working cavity 12, the fixed support plate 62 is rotatably connected with an eighth transmission shaft 65 extending up and down, a sixth bevel gear 43 meshed with the fifth bevel gear 66 is fixedly arranged on the eighth transmission shaft 65 positioned on the lower side of the fixed support plate 62, a power friction wheel 61 is fixedly arranged on the eighth transmission shaft 65 positioned on the upper side of the fixed support plate 62, a third coupler 60 positioned on the upper side of the power friction wheel 61 is fixedly arranged on the eighth transmission shaft 65, a ninth transmission shaft 17 extending up and down and frictionally connected with the fifth transmission shaft 15 is rotatably connected to the movable support plate 29, a fourth coupler 59 capable of being matched and connected with the third coupler 60 is fixedly arranged on the ninth transmission shaft 17 positioned on the lower side of the movable support plate 29, and a tenth transmission shaft 65 extending up and rotatably connected to the left side of the eighth transmission shaft 17 is fixedly arranged on the fixed support plate 62 The tenth transmission shaft 16 is screwed with the internal thread of the movable support plate 29, a driven friction wheel 58 frictionally connected with the power friction wheel 61 is fixedly arranged on the tenth transmission shaft 16, and an auxiliary torsion spring 75 is connected between the driven friction wheel 58 and the fixed support plate 62.

In an initial state, the distance between the left and right adjustable dies 35 is large, the sliding limiting blocks 25 are located at the upper limit positions, the distance between the left and right sliding supports 28 is large, the second coupler 72 is not in matched connection with the first coupler 71, the movable support plate 29 is located at the upper limit position, the heating cover 32 is not in butt connection with the upper end of the plastic uptake machine shell 11, and the fourth coupler 59 is not in matched connection with the third coupler 60.

When the plastic suction work needs to be carried out, a worker clamps the sheet on the sheet clamping groove 33, the commodity to be packaged is connected with the matching sliding groove 73 in a sliding mode, the electromagnet 70 is electrified and has magnetism, the magnetic bracket 68 moves leftwards at the moment, the linkage spring 69 accumulates elastic potential energy, the magnetic bracket 68 moving leftwards drives the first coupler 71 and the second coupler 72 to be connected in a matching mode through the sixth transmission shaft 67, the motor 63 is started, the seventh transmission shaft 64 rotates, the rotating seventh transmission shaft 64 drives the fourth transmission shaft 18 to rotate through the sixth transmission shaft 67, the first coupler 71 and the second coupler 72, the rotating fourth transmission shaft 18 drives the third transmission shaft 49 to rotate through the belt 48 and the auxiliary pulley 78, and the second cone of the rotating third transmission shaft 49 drives the linkage rack 44 to move towards the fixed bracket 42 through the gear 50, the first bevel gear 45 and the first bevel gear 45 in sequence, the movable linkage rack 44 drives the adjustable die 35 to move towards the position close to the fixed support 42, the movable linkage rack 44 drives the sliding support 28 to move towards the position close to the symmetrical center through the vertical connecting rod 52, the horizontal connecting rod 54 and the matching sliding block 56, the connecting spring 47 accumulates elastic potential energy, in the moving process of the sliding support 28, the left sliding support 28 drives the fixed inclined plane block 27 to be in sliding connection with the formation limiting groove 26, when the left and right sliding supports 28 clamp commodities to be packaged, the adjustable die 35 moves to a corresponding position, the electromagnet 70 is powered off and loses magnetism, the linkage spring 69 releases the elastic potential energy, and drives the first coupler 71 to be not matched and connected with the second coupler 72 through the magnetic support 68 and the sixth transmission shaft 67; the rotating seventh transmission shaft 64 drives the first coupler 71 to rotate through the sixth transmission shaft 67, the rotating seventh transmission shaft 64 sequentially drives the eighth transmission shaft 65 to rotate through the fifth bevel gear 66 and the sixth bevel gear 43, the rotating eighth transmission shaft 65 drives the power friction wheel 61 and the third coupler 60 to rotate, the rotating power friction wheel 61 drives the tenth transmission shaft 16 to rotate through the driven friction wheel 58, the auxiliary torsion spring 75 accumulates elastic potential energy, the rotating tenth transmission shaft 16 drives the movable support plate 29 and parts on the movable support plate 29 to move downwards together, when the downward moving movable support plate 29 drives the fourth coupler 59 and the third coupler 60 to be matched and connected through the ninth transmission shaft 17, the movable support plate 29 moves to a lower limit position, the friction force of the power friction wheel 61 on the driven friction wheel 58 does not drive the driven friction wheel 58 to rotate, and the rotating third coupler 60 sequentially drives the fourth coupler 59, the driven friction wheel 58 and the third coupler 60 to rotate, The ninth transmission shaft 17 drives the fifth transmission shaft 15 to rotate, the main torsion spring 13 accumulates elastic potential energy, the rotating fifth transmission shaft 15 sequentially passes through the third bevel gear 37, the fourth bevel gear 38 and the first transmission shaft 39 to drive the heating cover 32 to rotate anticlockwise, when the heating cover 32 abuts against the upper end of the plastic uptake machine shell 11, the friction force of the ninth transmission shaft 17 on the fifth transmission shaft 15 does not drive the fixed rotating wheel 14 to rotate any more, the heating cover 32 heats and softens the sheets clamped on the sheet clamping groove 33, when the temperature reaches a preset temperature, the motor 63 is turned off, the auxiliary torsion spring 75 releases the elastic potential energy and drives the movable support plate 29 to reset upwards through the driven friction wheel 58 and the tenth transmission shaft 16, the fourth coupler 59 is not matched and connected with the third coupler 60, and the fixed rotating wheel 14 releases the elastic potential energy and drives the fixed rotating wheel 14, the fifth transmission shaft 15 and the third bevel gear 37 to reset upwards through the fixed rotating wheel 14, the fourth, The fourth bevel gear 38 and the first transmission shaft 39 drive the heating cover 32 to reset, so that the adjustable die 35 pushes the sheet clamped on the sheet clamping groove 33 upwards, and the vacuum-pumping device 30 works to finally realize the vacuum-forming work. At this moment, the worker takes out the processed sheet, the worker finishes the work, manually pulls the reset pull rod 24 downwards to enable the limiting groove 26 on the sliding limiting block 25 to be not connected with the fixed bevel block 27 in a sliding mode, so that the connecting spring 47 releases elastic potential energy, the adjustable die 35 is reset through the driven friction wheel 58 and the linkage rack 44, finally the reset pull rod 24 is loosened, the sliding limiting block 25 resets under the action of the reset spring 57, and the device restores to the initial state.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides an automatic blowing machine of adjustable mould length, includes the plastic uptake casing, be equipped with the working chamber in the plastic uptake casing, its characterized in that: the mould adjusting assembly is arranged in the working cavity and comprises a movable support plate, a fixed support, a rear baffle, upper baffles and an adjustable mould, the movable support plate is arranged on the inner wall of the rear side of the working cavity and can slide up and down, the fixed support is fixedly arranged at the upper end of the movable support plate, the rear baffles are symmetrically and fixedly arranged at the front end and the rear end of the fixed support, the upper baffles are symmetrically and fixedly arranged at the left end and the right end of the fixed support, the adjustable mould is arranged at the lower end of the upper baffle and can slide left and right, the lower end of the adjustable mould, the upper end of the movable support plate and one end of the rear baffle, which is close to the symmetric center, are in sliding connection, the heating opening and closing assembly is arranged at the upper end of the plastic uptake machine shell and comprises a rotating shaft support, a first transmission shaft, a heating cover and a feeding through hole, the heating opening and closing assembly is rotatably connected, and a power transmission assembly is also arranged in the working cavity.

2. An automated mold length adjustable blow molding machine according to claim 1 wherein: the vacuum pumping device is fixedly arranged on the inner wall of the left side of the working cavity, the sheet support is fixedly arranged on the inner wall of the rear side of the working cavity, the supporting ring is fixedly arranged on the inner ring of the sheet support, and two sheet clamping grooves communicated with the working cavity are formed in the inner walls of the left side and the right side of the sheet support.

3. An automated mold length adjustable blow molding machine according to claim 1 wherein: the mould adjusting component also comprises a linkage through hole which is arranged in the movable support plate and is communicated up and down, an adjusting cavity is arranged in the adjustable mould, a linkage rack is fixedly arranged on the inner wall of the upper side of the adjusting cavity, horizontal supports are symmetrically and fixedly arranged at the left and right ends of the two ends of the fixed support, the front end of each horizontal support is rotatably connected with a second transmission shaft, a linkage gear which is in friction connection with the lower end of the linkage rack is fixedly arranged on the second transmission shaft, a first bevel gear which is positioned at the front side of the linkage gear is fixedly arranged at the front end of the second transmission shaft, a third transmission shaft which extends left and right is rotatably connected with the fixed support, a second bevel gear which is in meshing connection with the first bevel gear is fixedly arranged at the two ends of the third transmission shaft, a counter pulley is fixedly arranged on the third transmission shaft positioned at the left side of, the right end of the vertical support is rotatably connected with a fourth transmission shaft, a main belt wheel is fixedly arranged on the fourth transmission shaft, a belt is connected between the main belt wheel and the auxiliary belt wheel, a vertical connecting rod which extends downwards through the linkage through hole is fixedly arranged at the lower end of the linkage rack, a connecting spring is connected between the vertical connecting rod and the fixed support, a horizontal connecting rod which extends leftwards is fixedly arranged at the lower end of the vertical connecting rod, a matching sliding block is fixedly arranged at one end of the horizontal connecting rod, which is far away from the symmetry center, two sliding supports which can slide leftwards and rightwards are arranged on the inner wall at the rear side of the working cavity in a bilateral symmetry manner, a matching cavity with an upper side opening is arranged in the sliding support, the inner wall of the matching cavity is in sliding connection with the matching sliding block, a fixed inclined plane block is fixedly arranged at the lower end of the sliding support at the left side, a, slide stopper upper end from a left side to the right side and be equipped with ten spacing grooves uniformly, just the spacing groove can with fixed inclined plane piece sliding connection, working chamber downside inner wall be equipped with external communicating pull rod slide, sliding connection have on the pull rod slide with slide stopper lower extreme fixed connection's the pull rod that resets, working chamber rear side inner wall set firmly with vertical support upper end fixed connection's commodity support, set firmly the commodity sliding connection's that can with required packing cooperation spout on the commodity support, inner wall through-hole rear side inner wall be equipped with external communicating inner wall through-hole.

4. An automated mold length adjustable blow molding machine according to claim 1 wherein: the heating opening and closing assembly further comprises a fifth transmission shaft which is rotatably connected to the inner wall of the upper side of the working cavity and extends upwards to the outside, a fixed rotating wheel is fixedly arranged on the fifth transmission shaft in the working cavity, a main torsion spring is connected between the fixed rotating wheel and the inner wall of the upper side of the working cavity, a third bevel gear is fixedly arranged on the fifth transmission shaft in the outside, and a fourth bevel gear which is positioned on the front side of the heating cover and is meshed with the third bevel gear is fixedly arranged on the first transmission shaft.

5. An automated mold length adjustable blow molding machine according to claim 1 wherein: the power transmission assembly comprises an electromagnet fixedly arranged on the inner wall of the lower side of the working cavity, a magnetic support capable of sliding left and right and positioned on the right side of the electromagnet is arranged on the inner wall of the lower side of the working cavity, a linkage spring is connected between the magnetic support and the electromagnet, a sixth transmission shaft extending left and right is rotatably connected to the magnetic support, a first coupler is fixedly arranged on the sixth transmission shaft positioned on the left side of the magnetic support, a second coupler which is positioned on the right side of the main belt wheel and can be matched and connected with the first coupler is fixedly arranged on the fourth transmission shaft, a motor is fixedly arranged on the inner wall of the right side of the working cavity, the left end of the motor is in power connection with a seventh transmission shaft in splined connection with the sixth transmission shaft, a fifth bevel gear is fixedly arranged on the seventh transmission shaft, a fixed support plate is fixedly arranged on the inner wall of the right side of the working cavity, and an eighth, a sixth bevel gear meshed with the fifth bevel gear is fixedly arranged on the eighth transmission shaft positioned on the lower side of the fixed support plate, a power friction wheel is fixedly arranged on the eighth transmission shaft positioned on the upper side of the fixed support plate, a third coupler positioned on the upper side of the power friction wheel is fixedly arranged on the eighth transmission shaft, a ninth transmission shaft which extends up and down and is in friction connection with the fifth transmission shaft is rotatably connected to the movable support plate, a fourth coupler which can be matched and connected with the third coupler is fixedly arranged on the ninth transmission shaft positioned on the lower side of the movable support plate, a tenth transmission shaft which is positioned on the left side of the eighth transmission shaft and extends upwards is rotatably connected to the fixed support plate, a threaded part on the tenth transmission shaft is in threaded connection with an internal threaded part of the movable support plate, and a driven friction wheel in friction connection with the power friction wheel is fixedly arranged on the tenth transmission shaft, and an auxiliary torsion spring is connected between the driven friction wheel and the fixed support plate.