CN113400619A

CN113400619A - Bilateral bottle blowing equipment

Info

Publication number: CN113400619A
Application number: CN202110655871.7A
Authority: CN
Inventors: 陈忠勤
Original assignee: Guangzhou Shangen Industrial Co ltd
Current assignee: Guangzhou Shangen Industrial Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-09-17

Abstract

The utility model relates to a two side bottle blowing equipment, relate to the field of bottle blowing equipment, be used for blowing to baffle both sides in the body, it includes the frame, conveyor and the forming device of setting in the frame, conveyor includes a plurality of transport seat and is used for carrying the transport portion to forming device one by one with the transport seat, the vertical perforating hole of having seted up on the transport seat, forming device is including setting up two moulds in transport seat direction of delivery both sides, a high pressure subassembly of blowing that is used for driving two moulds and is close to each other or keep away from drive assembly and is located the transport seat below, the high pressure subassembly of blowing includes the air supply, blow gas spare and blowing nozzle, it is used for blowing out the high-pressure gas in the air supply from blowing nozzle to blow gas nozzle, blowing nozzle is provided with two, two blowing nozzles are used for wearing to establish in the perforating hole, and blow gas to baffle both sides in the bottle respectively. This application has the effect of avoiding plastic bottle baffle both sides to appear leaking.

Description

Bilateral bottle blowing equipment

Technical Field

The application relates to the field of bottle blowing equipment, in particular to double-side bottle blowing equipment.

Background

In the existing plastic bottle, as shown in fig. 1, the cross section of the bottle body is oval, one end of the bottle body is open, a partition board is fixedly arranged in the short diameter of the bottle body, the length direction of the partition board is the same as the length direction of the bottle body, the height of the partition board is the same as the height of the bottle body, and the partition board divides the interior of the bottle body into two chambers.

The plastic bottle is formed by blow molding a bottle blank with a circular cross section by a bottle blowing device to form a bottle body with an oval cross section, and then fixing a partition plate in the bottle body. In the forming mode, the partition board is fixed with the bottle body after the bottle body is formed, poor sealing can be avoided between the partition board and the bottle body, and leakage of the plastic bottle can easily occur on two sides of the partition board in the using process.

Disclosure of Invention

In order to avoid the situation that two sides of a plastic bottle partition plate leak, the application provides double-side bottle blowing equipment.

The application provides a two side bottle blowing equipment adopts following technical scheme:

the utility model provides a two side bottle blowing equipment, be used for blowing to baffle both sides in the body, which comprises a frame, conveyor and the forming device of setting in the frame, conveyor includes a plurality of transport seat and is used for carrying the transport portion of transport seat to forming device one by one, the vertical perforating hole of having seted up on the transport seat, forming device is including setting up two moulds in transport seat direction of delivery both sides, a high pressure subassembly of blowing that is used for driving two moulds and is close to each other or keeps away from and is located the transport seat below, the high pressure subassembly of blowing includes the air supply, blow piece and blowing nozzle, it is used for blowing out the high-pressure gas in the air supply from blowing nozzle to blow the piece, blowing nozzle is provided with two, two blowing nozzles are used for wearing to establish in the perforating hole, and blow to baffle both sides in the bottle respectively.

By adopting the technical scheme, before blow molding, the bottle body with the circular cross section and the partition plate are integrally injection molded to form a bottle blank. During blowing, place the bottle base on carrying the seat, and make opening and perforating hole on the bottle base just to placing, the transport unit can carry the seat to forming device department one by one, and drive the bottle base on the conveyer belt to forming device department, drive assembly can drive two moulds and be close to each other this moment, and press from both sides tightly in the both sides of bottle base, the piece of blowing in the high pressure subassembly simultaneously can blow in the both sides of baffle in the bottle base respectively with the air supply through two blowing mouths, make the bottle base blow molding between two die holders, thereby avoid fixing baffle and body after the body shaping again, ensure the sealed effect of baffle both sides in the plastic bottle, avoid the condition that the leakage appears in plastic bottle baffle both sides.

Optionally, the high pressure air blowing assembly further comprises a driving member for driving the air blowing nozzle to move in the vertical direction.

By adopting the technical scheme, when the conveying part conveys the conveying seat, the through hole on the conveying seat is just opposite to the air blowing nozzles, and the driving part drives the air blowing nozzles to vertically move upwards, so that the two air blowing nozzles are inserted into the through hole and are respectively inserted into two sides of the inner partition plate of the bottle blank from the through hole, and then the bottle blank is blown; after the plastic bottle is subjected to blow molding, the driving piece drives the air blowing nozzle to vertically move downwards, so that the air blowing nozzle is moved out of the plastic bottle and is moved out of the through hole in the conveying seat, and the influence of the air blowing nozzle on the conveying process of the conveying seat is avoided.

Optionally, the conveying part includes a plurality of conveying sprocket of rotation connection in the frame, the conveying chain that uses with a plurality of conveying sprocket cooperations and is used for driving one of them conveying sprocket pivoted conveying motor, and the conveying chain wears to establish between two moulds, and a plurality of transport seat is evenly fixed on the conveying chain along the conveying orbit of conveying chain.

Through adopting above-mentioned technical scheme, during the blow molding, one of them transport sprocket of transport motor drive rotates, because carry the chain setting between a plurality of transport sprockets to use with the transport sprocket cooperation, carry the chain can the transmission between all transport sprockets, and drive all transport sprockets and rotate simultaneously, carry the chain simultaneously and can drive and carry the seat along the transport orbit motion of carrying the chain, realize the transport effect to carrying the seat.

Optionally, two guide grooves which are respectively located at two sides of the conveying direction of the conveying chain are formed in the rack, the extending direction of the guide grooves is arranged along the conveying track of the conveying chain, and two sides of the conveying seat are rotatably connected with guide wheels which respectively roll in the two guide grooves.

By adopting the technical scheme, when the conveying chain drives the conveying seat to move along the conveying track, the guide wheels on two sides of the conveying seat roll in the two guide grooves on two sides of the conveying chain on the frame respectively, so that the moving process of the conveying seat is guided, and the conveying process of the conveying seat is more stable.

Optionally, one side of the forming device, which deviates from the conveying direction of the conveying seat, is provided with a preheating device, the preheating device comprises a plurality of preheating plates fixedly arranged on the rack, and the plurality of preheating plates are symmetrically arranged on two sides of the conveying direction of the conveying seat.

Through adopting above-mentioned technical scheme, during the blow molding, carry the seat to drive the bottle base and preheat through preheating device earlier, the preheating plate can heat the bottle base on carrying the seat, makes the bottle base temperature rise, is convenient for make bottle base blow molding at the in-process of blow molding.

Optionally, forming device still includes cooling module, and cooling module includes water tank, inlet tube, cooling tube, wet return and water pump, and the cooling tube is provided with two, and is located two moulds respectively, inlet tube one end and water tank intercommunication, and the other end all communicates with the one end of two cooling tubes, wet return one end and water tank intercommunication, and the other end all communicates with the one end that the inlet tube was kept away from to two cooling tubes, and the water pump is installed on the wet return.

Through adopting above-mentioned technical scheme, after bottle base blow molding, because the plastic bottle temperature is higher, take place to warp easily, consequently set up cooling module and carry out cooling to the plastic bottle that has just formed. During the cooling, the cooling water in the water tank can flow to the cooling tube in the mould through the inlet tube in to cool off just fashioned plastic bottle, the cooling water rethread wet return flows and stores in the water tank after the cooling, thereby realizes the cooling effect to the plastic bottle, has reduced the temperature of shaping back plastic bottle, avoids the plastic bottle after the shaping to take place to warp.

Optionally, one side of one of the dies, which is away from the conveying direction of the conveying seat, is fixedly provided with a positioning nail, the positioning nail faces one side of the conveying seat, and a positioning hole for inserting one end of the positioning nail is formed in the conveying seat.

Through adopting above-mentioned technical scheme, when placing the bottle base, make baffle in the bottle base and carry the locating hole on the seat to correspond and place, when two moulds were close to each other, can drive the location nail and remove towards the one side that is close to the transport seat, the location nail can insert the locating hole on the transport seat this moment, plays the positioning action to carrying seat and bottle base, ensures that two blowing nozzles can insert the both sides of the baffle in the bottle respectively in the blowing process.

Optionally, the driving assembly comprises a die holder, a driving seat, a connecting rod, and a first driving rod, the second actuating lever with drive actuating cylinder, the die holder is provided with two, two die holders are fixed respectively in the one side of keeping away from each other of two moulds, it is located one side that the mould was kept away from to drive the seat, the die holder with drive the direction sliding connection that the seat all was close to or kept away from each other along two moulds with the frame, the both ends of connecting rod respectively with drive the seat and keep away from the die holder fixed connection who drives the seat, first actuating lever and second actuating lever all are located and drive one side that the seat is close to the die holder, the one end that first actuating lever and second actuating lever are close to each other is articulated, the one end of keeping away from each other respectively with drive the seat, it is articulated to be close to the die holder that drives the seat, it vertically fixes in the frame to drive actuating cylinder, drive actuating cylinder's piston rod and first actuating lever, the articulated department fixed connection of second actuating lever.

Through adopting above-mentioned technical scheme, when needs make two moulds be close to each other or keep away from, it is flexible to drive the piston rod that actuating cylinder, make the articulated department of first actuating lever and second actuating lever remove along vertical direction, make the one end that first actuating lever and second actuating lever kept away from each other be close to or keep away from each other, and drive the die holder that drives the seat and be close to and drive the seat and be close to each other or keep away from, it can drive the die holder that keeps away from the seat of driving under the effect of connecting rod and remove thereupon to drive the seat, thereby drive two die holders and be close to each other or keep away from, make two moulds between two die holders be close to each other or keep away from, realize the die sinking and the compound die process's of mould drive action.

Optionally, the high-pressure air blowing assemblies are provided with two groups along the conveying direction of the conveying seat, two mold cavities are formed in the mold along the conveying direction of the conveying seat, and the distance between the air blowing nozzles of the two high-pressure air blowing assemblies and the distance between the two mold cavities are equal to the distance between the adjacent conveying seats.

Through adopting above-mentioned technical scheme, during the blowing, two die cavities departments on the mould are carried respectively with two adjacent transport seats to the transport portion, and two moulds are close to the back each other, and two sets of high pressure air blowing assemblies blow the bottle base on two transport seats respectively to realize the blowing process of two plastic bottles simultaneously, improved blowing efficiency.

Optionally, a placing hole coaxial with the through hole is formed in the top surface of the conveying seat, and the diameter of the placing hole is larger than that of the through hole.

Through adopting above-mentioned technical scheme, set up on carrying the seat and place the hole, can make the open end of bottle base insert and place downtheholely, play limiting displacement to the bottle base, avoid the bottle base to take place to shift or drop from carrying the seat in carrying and the forming process, improved the stability of bottle base.

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

1. by arranging the conveying device and the forming device, the high-pressure air blowing assembly in the forming device comprises the air source, the air blowing part and the two air blowing nozzles, high-pressure air in the air source can be respectively blown into two sides of the partition plate in the bottle blank through the two air blowing nozzles by the air blowing part, the partition plate and the bottle body are prevented from being fixed after the bottle body is formed, and the condition that the two sides of the partition plate in the plastic bottle are leaked is avoided;

2. the driving piece is arranged, so that the blowing nozzle can be driven to move along the vertical direction, and the blowing process of the blowing nozzle on the bottle blank is more convenient;

3. through setting up the location nail, can make the location nail insert the locating hole on carrying the seat before the blow molding, play the positioning action to carrying seat and bottle base, ensure that two gas blowing nozzle can insert the both sides of the interior baffle of bottle base.

Drawings

FIG. 1 is a schematic view of a plastic bottle of the background art;

FIG. 2 is a schematic structural diagram of an embodiment of the present application;

FIG. 3 is a partial schematic structural view of a conveying part in an embodiment of the present application;

FIG. 4 is a schematic diagram of a partial structure of a driving assembly according to an embodiment of the present application;

FIG. 5 is an exploded view of an embodiment of the present application, intended to show a high pressure blow assembly;

fig. 6 is an exploded schematic view of an embodiment of the present application intended to show a cooling assembly.

Description of reference numerals: 0. a bottle body; 01. a partition plate; 1. a frame; 11. a guide groove; 12. a chute; 2. a conveying device; 21. a conveying seat; 211. placing holes; 212. a through hole; 213. a guide wheel; 214. positioning holes; 22. a conveying section; 221. a conveying sprocket; 222. a conveying chain; 223. a conveying motor; 3. a preheating device; 4. a molding device; 41. a mold; 411. a mold cavity; 42. a drive assembly; 421. a die holder; 4211. a fixing plate; 4212. positioning nails; 422. a driving seat; 423. a connecting rod; 424. a first drive lever; 425. a second drive lever; 426. a driving cylinder; 43. a high pressure blow assembly; 431. a gas storage tank; 432. an air pump; 433. a blowing nozzle; 434. a lifting cylinder; 44. a cooling assembly; 441. a water tank; 442. a water inlet pipe; 443. a cooling tube; 444. a water return pipe; 445. and (4) a water pump.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses bilateral bottle blowing equipment. Referring to fig. 1 and 2, a two-sided bottle blowing device is used for blowing two sides of a partition plate 01 in a bottle body 0 simultaneously, and comprises a frame 1, wherein a conveying device 2, a preheating device 3 and a forming device 4 are arranged on the frame 1, the conveying device 2 comprises a plurality of conveying seats 21 and conveying parts 22 used for conveying the conveying seats 21 to the forming device 4 one by one, the preheating device 3 is positioned on one side of the forming device 4 departing from the conveying direction of the conveying seats 21 and used for preheating bottle blanks on the conveying seats 21, the forming device 4 comprises two molds 41 arranged on two sides of the conveying direction of the conveying seats 21, a driving assembly 42 used for driving the two molds 41 to be close to or far away from each other, a high-pressure blowing assembly 43 positioned below the conveying seats 21, and a cooling assembly 44 used for cooling the bottle blanks formed by blowing.

Referring to fig. 2 and 3, the top of the rack 1 is in a rectangular frame shape, the conveying part 22 includes four conveying sprockets 221, four conveying chains 222 and four conveying motors 223, the conveying sprockets 221 are respectively rotatably disposed at four corners of the rack 1, and the axis of the conveying sprocket 221 is along the vertical direction; the conveying chain 222 is sleeved outside the four conveying chain wheels 221 in a rectangular shape and is matched with the four conveying chain wheels 221 for use; the conveying motor 223 is fixedly arranged on the frame 1, and an output shaft of the conveying motor 223 is fixedly connected with one of the conveying chain wheels 221.

Referring to fig. 2 and 3, the plurality of conveying bases 21 are uniformly arranged along the conveying track of the conveying chain 222 and are fixedly arranged on the conveying chain 222. The cross section of the top of the conveying seat 21 is circular, a through hole 212 penetrating through the height of the conveying seat 21 is formed in the conveying seat 21 in the vertical direction, a placing hole 211 is formed in the top surface of the conveying seat 21, the placing hole 211 and the through hole 212 are coaxially arranged, the diameter of the placing hole 211 is larger than that of the through hole 212, and the diameter of the placing hole 211 is equal to that of the opening end of the bottle blank. Two guide grooves 11 have been seted up to frame 1 top surface, and the extending direction of two guide grooves 11 all is the same with the conveying orbit of conveying chain 222, and two guide grooves 11 are located the inboard and the outside of conveying chain 222 respectively, all rotate along conveying chain 222 direction of delivery's both sides on transport seat 21 and are connected with guide wheel 213, and the guide wheel 213 of transport seat 21 both sides rolls respectively and sets up in two guide grooves 11.

During blow molding, the bottle blanks are placed in the placing holes 211 on the conveying seat 21 one by one, the conveying motor 223 can drive the conveying chain wheels 221 connected with the conveying motor to rotate, the conveying chain wheels 222 drive the four conveying chain wheels 221 to rotate simultaneously under the action of the conveying chain wheels 222, the conveying chain wheels 222 are driven among the four conveying chain wheels 221, the conveying seat 21 and the bottle blanks are driven to move along the conveying track of the conveying chain wheels 221, the guide wheels 213 on two sides of the conveying seat 21 can roll in the two guide grooves 11 respectively, the conveying seat 21 is guided, and conveying effect on the conveying seat 21 is achieved.

Referring to fig. 2, the preheating device 3 includes a plurality of preheating plates symmetrically disposed on two sides of the conveying direction of the conveying base 21 and fixedly connected to the rack 1. When the conveying part 22 drives the conveying seat 21 to convey, the conveying seat 21 passes through the preheating plates symmetrically arranged at two sides of the conveying direction of the conveying seat 21, and the preheating plates heat the bottle blanks on the conveying seat 21 to raise the temperature of the bottle blanks, so that the bottle blanks can be conveniently subjected to blow molding.

Referring to fig. 4, the driving assembly 42 includes die holders 421, driving seats 422, a connecting rod 423, a first driving rod 424, a second driving rod 425 and a driving cylinder 426, the die holders 421 and the driving seats 422 are rectangular and vertically arranged, two die holders 421 are arranged, the two die holders 421 are respectively located at the inner side and the outer side of the conveying chain 222, and the two dies 41 are respectively and fixedly arranged at the side where the two die holders 421 are close to each other; the driving seat 422 is positioned on one side, far away from the dies 41, of the die holder 421 on the inner side of the chain, the rack 1 is provided with a chute 12, the length direction of the chute 12 is the direction in which the two dies 41 are close to or far away from each other, and the bottom ends of the die holder 421 and the driving seat 422 are both positioned in the chute 12 and are in sliding connection with the rack 1 along the length direction of the chute 12; the number of the connecting rods 423 is four, the four connecting rods 423 are respectively inserted into four corners of the die holder 421 close to the driving rod, the length direction of the connecting rods 423 is the same as the length direction of the sliding chute 12, and two ends of the connecting rods 423 are respectively fixedly connected with the driving rod and the die holder 421 far away from the driving seat 422; the first driving rod 424 and the second driving rod 425 are both arranged on one side of the driving seat 422 close to the die holder 421, one ends of the first driving rod 424 and the second driving rod 425 close to each other are hinged, one end of the first driving rod 424, far away from the second driving rod 425, is hinged with the driving seat 422, and one end of the second driving rod 425, far away from the first driving rod 424, is hinged with the die holder 421 close to the driving seat 422; the driving cylinder 426 is vertically fixed on the frame 1 and located below the first driving rod 424 and the second driving rod 425, and a piston rod of the driving cylinder 426 faces upwards and is fixedly connected with a hinged part of the first driving rod 424 and the second driving rod 425.

After the conveying seat 21 drives the bottle blank to move between two molds 41, the piston rod of the driving cylinder 426 vertically extends upwards, the hinged position of the first driving rod 424 and the second driving rod 425 vertically moves upwards, and the end, away from the driving cylinder 426, of the first driving rod 424 and the second driving rod 425 is driven to rotate downwards, and away from each other, at the moment, the first driving rod 424 and the second driving rod 425 can drive the driving seat 422 and the mold seat 421 close to the driving seat 422 to mutually separate at the inner side of the conveying chain 222, and meanwhile, the driving seat 422 can drive the connecting rod 423 and the mold seat 421 far away from the driving seat 422 to move along with the driving seat 422, so that the two mold seats 421 drive the two molds 41 to mutually approach, and the mold closing process is realized.

After bottle base injection moulding, the piston rod that drives actuating cylinder 426 contracts vertically downwards, make the vertical downstream of articulated department of first actuating lever 424 and second actuating lever 425, and drive first actuating lever 424 and second actuating lever 425 and keep away from the one end that drives actuating cylinder 426 and all upwards rotate, and be close to each other, first actuating lever 424 and second actuating lever 425 can drive this moment and drive seat 422 and be close to the die holder 421 that drives seat 422 and be close to each other in the inboard of carrying chain 222 and be close to each other, it can drive connecting rod 423 and keep away from the die holder 421 that drives seat 422 and move along with driving seat 422 to drive seat 422 simultaneously, make two die holders 421 drive two moulds 41 and keep away from each other, realize the die sinking process.

Referring to fig. 5, two cavities 411 are opened in the mold 41 along the conveying direction of the conveying base 21, and the distance between the two cavities 411 is equal to the distance between adjacent conveying bases 21. The high-pressure air blowing assemblies 43 are provided with two groups, each high-pressure air blowing assembly 43 comprises an air source, air blowing pieces, air blowing nozzles 433 and a driving piece, the air source is an air storage tank 431 for storing high-pressure air, the air blowing pieces are air pumps 432, the air blowing nozzles 433 are vertically arranged, the tops of the air blowing nozzles 433 are bifurcated into two parts along the conveying direction of the conveying seat 21, one ends of the air pumps 432 are communicated with the air storage tank 431, and the other ends of the air pumps 432 are communicated with the insides of the air blowing nozzles 433; the driving piece is a lifting cylinder 434, the lifting cylinder 434 is vertically arranged on the rack 1, and a piston rod of the lifting cylinder 434 is fixedly connected with the bottom end of the blowing nozzle 433. The blowing nozzles 433 on the two groups of high-pressure blowing assemblies 43 are arranged along the conveying direction of the conveying seats 21, and the distance between the blowing nozzles 433 of the two groups of high-pressure blowing assemblies 43 is equal to the distance between the adjacent conveying seats 21.

When the two conveying bases 21 move to the two mold cavities 411 on the mold 41, respectively, the driving assembly 42 drives the two molds 41 to be closed, then, the air pumps 432 of the two sets of high pressure air blowing assemblies 43 will deliver the high pressure air in the air storage tank 431 to the air blowing nozzles 433, the lifting air cylinders 434 drive the air blowing nozzles 433 to move vertically upwards, and the blowing nozzles 433 of the two groups of high-pressure blowing assemblies 43 are respectively inserted into the through holes 212 of the two conveying seats 21, and two blowing nozzles 433 at the top end of each group of high-pressure blowing components 43 are respectively inserted into two sides of the bottle blank inner partition plate 01, so that high-pressure gas can simultaneously blow two sides of the bottle blank inner partition plate 01, thereby realizing the simultaneous blowing process of two sides of the bottle blank inner partition plate 01, therefore, the situation that the partition board 01 and the bottle body 0 are fixed after the bottle body 0 is formed is avoided, the sealing effect of two sides of the partition board 01 in the plastic bottle is ensured, and the leakage of two sides of the partition board 01 in the plastic bottle is avoided.

Referring to fig. 5, a fixing plate 4211 is fixedly arranged on one side of the die holder 421 close to the driving seat 422, which is far away from the conveying direction of the conveying seat 21, a fixing plate 4211 is fixedly arranged on one side of the fixing plate 4211 along the conveying direction of the conveying seat 21, the distance between the two positioning nails 4212 is equal to the distance between the two adjacent conveying seats 21, the positioning nails 4212 are positioned on one side of the fixing plate 4211, which faces the conveying seat 21, one end of each positioning nail 4212, which is far away from the fixing seat, is pointed, and positioning holes 214 for inserting the tips of the positioning nails 4212 are formed in both sides of the conveying seat.

When the bottle preform is placed in the placing hole 211, the axis of the partition plate 01 in the bottle preform and the axis of the positioning hole 214 are positioned in the same vertical plane. When the conveying seat 21 moves to a position right opposite to the positioning nails 4212, the conveying seat 21 in front of the conveying direction of the conveying seat 21 just moves between the two molds 41, at this time, the two mold seats 421 can approach each other, and drive the fixing plate 4211 and the positioning nails 4212 to move towards one side close to the conveying seat 21 right opposite to the positioning nails 4212, at this time, the two positioning nails 4212 can be respectively inserted into the positioning holes 214 on the two adjacent conveying seats 21, so that the conveying seat 21 and the bottle blanks on the conveying seat 21 are positioned, and it is ensured that the two blowing nozzles 433 can be respectively inserted into two sides of the bottle blank internal partition plate 01 during blow molding.

Referring to fig. 6, the cooling module 44 includes a water tank 441, a water inlet pipe 442, a cooling pipe 443, a water return pipe 444, and a water pump 445, the water tank 441 and the water pump 445 are disposed below the molds 41, two cooling pipes 443 are disposed, the two cooling pipes 443 are respectively embedded in the two molds 41, one end of the cooling pipe 443 is communicated with one end of the water inlet pipe 442, the other end is communicated with one end of the water return pipe 444, ends of the water inlet pipe 442 and the water return pipe 444, which are far away from the cooling pipe 443, are both communicated with the water tank 441, and the water pump 445 is installed on the water return pipe 444.

After the plastic bottle is blow molded, the water pump 445 pumps the cooling water in the water tank 441 into the cooling pipe 443 through the water inlet pipe 442, cools the plastic bottle which is just molded, and then makes the cooling water in the cooling pipe 443 flow into the water tank 441 through the water return pipe 444 after cooling, so that the plastic bottle which is blow molded is cooled, and the plastic bottle which is molded is prevented from deforming.

The implementation principle of the bilateral bottle blowing equipment in the embodiment of the application is as follows: before blow molding, the bottle body 0 and the partition plate 01 are integrally injection molded to form a bottle blank. During blow molding, the bottle blanks are placed in the placing holes 211 of the conveying seat 21, the conveying part 22 conveys the conveying seat 21 and the bottle blanks between the two molds 41 one by one, the driving assembly 42 can drive the two molds 41 to approach each other and clamp the two molds on the two sides of the bottle blanks, the lifting cylinder 434 can enable the air blowing nozzles 433 to move upwards and insert the two air blowing nozzles 433 into the through holes 212, the two air blowing nozzles 433 are respectively inserted into the two sides of the inner partition plate 01 of the bottle blanks, then the air pump 432 can respectively blow high-pressure air in the air storage tank 431 into the two sides of the inner partition plate 01 of the bottle blanks through the two air blowing nozzles 433, so that the bottle blanks are blow molded between the two mold bases 421, the partition plate 01 and the bottle body 0 are prevented from being fixed after the bottle body 0 is molded, the sealing effect on the two sides of the inner partition plate 01 of the plastic bottles is ensured, and the leakage condition on the two sides of the inner partition plate 01 of the plastic bottles is avoided.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a two side bottle blowing equipment for blow to baffle (01) both sides in body (0), its characterized in that: the automatic forming device comprises a rack (1), a conveying device (2) and a forming device (4) which are arranged on the rack (1), wherein the conveying device (2) comprises a plurality of conveying seats (21) and conveying parts (22) used for conveying the conveying seats (21) to the forming device (4) one by one, through holes (212) are vertically formed in the conveying seats (21), the forming device (4) comprises two dies (41) arranged on two sides of the conveying direction of the conveying seats (21), a driving assembly (42) used for driving the two dies (41) to be close to or away from each other and a high-pressure air blowing assembly (43) located below the conveying seats (21), the high-pressure air blowing assembly (43) comprises an air source, an air blowing piece and two air blowing nozzles (433), the air blowing piece is used for blowing high-pressure air in the air source out of the air blowing nozzles (433), the two air blowing nozzles (433) are arranged in the through holes (212), and blowing air to two sides of the inner partition plate (01) of the bottle respectively.

2. The double-sided bottle blowing apparatus of claim 1, wherein: the high-pressure air blowing assembly (43) further comprises a driving piece for driving the air blowing nozzle (433) to move along the vertical direction.

3. The double-sided bottle blowing apparatus of claim 1, wherein: the conveying part (22) comprises a plurality of conveying chain wheels (221) rotatably connected to the rack (1), a conveying chain (222) matched with the conveying chain wheels (221) and a conveying motor (223) used for driving one of the conveying chain wheels (221) to rotate, the conveying chain (222) penetrates between the two molds (41), and the conveying seats (21) are uniformly fixed on the conveying chain (222) along the conveying track of the conveying chain (222).

4. The double-sided bottle blowing apparatus of claim 3, wherein: the conveying mechanism is characterized in that two guide grooves (11) which are respectively located on two sides of the conveying direction of the conveying chain (222) are formed in the rack (1), the extending direction of the guide grooves (11) is arranged along the conveying track of the conveying chain (222), and guide wheels (213) which respectively roll in the two guide grooves (11) are rotatably connected to two sides of the conveying seat (21).

5. The double-sided bottle blowing apparatus of claim 1, wherein: one side of the forming device (4) departing from the conveying direction of the conveying seat (21) is provided with a preheating device (3), the preheating device (3) comprises a plurality of preheating plates fixedly arranged on the rack (1), and the plurality of preheating plates are symmetrically arranged on two sides of the conveying direction of the conveying seat (21).

6. The double-sided bottle blowing apparatus of claim 5, wherein: forming device (4) still includes cooling module (44), cooling module (44) include water tank (441), inlet tube (442), cooling tube (443), wet return (444) and water pump (445), cooling tube (443) are provided with two, and be located two moulds (41) respectively, inlet tube (442) one end and water tank (441) intercommunication, the other end all communicates with the one end of two cooling tubes (443), wet return (444) one end and water tank (441) intercommunication, the one end that inlet tube (442) was kept away from to the other end and two cooling tubes (443) all communicates, water pump (445) are installed on wet return (444).

7. The double-sided bottle blowing apparatus of claim 1, wherein: one side of one of the dies (41) departing from the conveying direction of the conveying seat (21) is fixedly provided with a positioning nail (4212), the positioning nail (4212) faces one side of the conveying seat (21), and a positioning hole (214) for inserting one end of the positioning nail (4212) is formed in the conveying seat (21).

8. The double-sided bottle blowing apparatus of claim 1, wherein: the driving assembly (42) comprises die holders (421), two driving seats (422), two connecting rods (423), a first driving rod (424), a second driving rod (425) and a driving cylinder (426), the die holders (421) are respectively fixed on one sides, far away from the two dies (41), of the two die holders (421), the driving seat (422) is positioned on one side, far away from the dies (41), of one die holder (421), the die holders (421) and the driving seat (422) are respectively in sliding connection with the frame (1) along the directions, close to or far away from the two dies (41), two ends of the connecting rod (423) are respectively in fixed connection with the driving seats (422) and the die holders (421) far away from the driving seats (422), the first driving rod (424) and the second driving rod (425) are both positioned on one sides, close to the die holders (421), of the first driving rod (424) and the second driving rod (425) are hinged to one ends, close to each other, one end of each far away from is respectively hinged with the driving seat (422) and the die holder (421) close to the driving seat (422), the driving cylinder (426) is vertically fixed on the frame (1), and the piston rod of the driving cylinder (426) is fixedly connected with the hinged part of the first driving rod (424) and the second driving rod (425).

9. The double-sided bottle blowing apparatus of claim 1, wherein: the high-pressure air blowing assembly is characterized in that two groups of high-pressure air blowing assemblies (43) are arranged along the conveying direction of the conveying seat (21), two mold cavities (411) are formed in the mold (41) along the conveying direction of the conveying seat (21), and the distance between air blowing nozzles (433) of the two high-pressure air blowing assemblies (43) and the distance between the two mold cavities (411) are equal to the distance between the adjacent conveying seats (21).

10. The double-sided bottle blowing apparatus of claim 1, wherein: the top surface of the conveying seat (21) is provided with a placing hole (211) coaxial with the through hole (212), and the diameter of the placing hole (211) is larger than that of the through hole (212).