CN112060546A

CN112060546A - Blow mold is used in beverage bottle production with cutting device in mould

Info

Publication number: CN112060546A
Application number: CN202010800527.8A
Authority: CN
Inventors: 张建发
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2020-12-11

Abstract

The invention discloses a blow molding die with an in-mold cutting device for beverage bottle production, which comprises a first template, a control box and a refrigeration box, wherein hinges are respectively arranged on the upper side and the lower side of the right side surface of the first template, a second template is arranged on the right side of the hinges, die grooves are respectively formed in the middle positions of the inner surfaces of the second template and the first template, a temperature sensor is arranged at the inner bottom of the first template, an air cylinder is arranged at the upper left corner of the first template, the control box is embedded in the middle position of the outer surface of the first template, a display screen is arranged on the front surface of the control box, an acoustic hole is arranged below the display screen, a handle is arranged above the display screen, a cooling groove is formed in the outer side of the die grooves, the refrigeration box is arranged on the inner right side of the first template, and a water inlet pipe is arranged between the refrigeration box and. The invention is provided with the cutting knife which can cut the redundant material of the plastic parison bottleneck, thereby ensuring the smoothness of the bottleneck.

Description

Blow mold is used in beverage bottle production with cutting device in mould

Technical Field

The invention relates to the technical field of blow molds, in particular to a blow mold with an in-mold cutting device for beverage bottle production.

Background

Blow molding, also known as blow molding, is a rapidly developing plastic processing method. The blow molding process began during world war ii for the production of low density polyethylene vials. In the late 50 s, the blow molding technology has been widely used with the advent of high density polyethylene and the development of blow molding machines. The volume of the hollow container can reach thousands of liters, and computer control is adopted in some production. Suitable plastics for blow molding are polyethylene, polyvinyl chloride, polypropylene, polyester, etc., and the resulting hollow containers are widely used as industrial packaging containers. The blow molding can be divided into extrusion blow molding and injection blow molding according to the parison manufacturing method, newly developed multilayer blow molding and stretch blow molding are adopted, beverage bottles are generally manufactured and molded by adopting a blow molding die, a tubular plastic parison obtained by extrusion or injection molding of thermoplastic resin is placed in a split die when the parison is hot (or heated to a softening state), compressed air is introduced into the parison immediately after the die is closed, so that the plastic parison is blown to cling to the inner wall of the die, and various hollow products can be obtained after cooling and demolding.

However, the cooling rate of the blow mold in the current market is slow when the blow mold is used, the temperature measurement is not convenient in the mold, the mold opening time cannot be reasonably mastered, the mold is not convenient for self-checking and positioning, the alarm is difficult to perform when the mold is inaccurate, the problem that the parison at the position of the mold opening is not convenient to cut is still existed in the existing blow mold, and therefore the blow mold with the in-mold cutting device and higher practicability for beverage bottle production is provided.

Disclosure of Invention

The invention aims to provide a blow mold with an in-mold cutting device for beverage bottle production, which solves the problems that the cooling rate of the blow mold in the current market is low, the temperature inside the mold is inconvenient to measure, the mold opening time cannot be reasonably mastered, the mold is inconvenient to carry out self-checking and positioning, the alarm is difficult to be carried out when the mold opening is inaccurate, and the parison at the mouth of the mold cannot be cut conveniently in the existing blow mold.

In order to achieve the purpose, the invention provides the following technical scheme: a blow mold with an in-mold cutting device for beverage bottle production comprises a first template, a control box and a refrigeration box, wherein hinges are installed on the upper side and the lower side of the right side face of the first template, a second template is installed on the right side of each hinge, mold cavities are formed in the middle positions of the inner surfaces of the second template and the first template, a temperature sensor is installed at the inner bottom of the first template, fixture blocks are fixed on the upper side and the lower side of the left side face of the first template, laser correlation receivers are embedded in the four corners of the inner surface of the first template, locking plates are installed on the upper side and the lower side of the right side face of the second template, laser correlation transmitters are embedded in the four corners of the inner surface of the second template, an air cylinder is installed at the upper left corner of the first template, a control box is embedded in the middle position of the outer surface of the first template, a display screen is installed on the front face of the control box, and, and the top of display screen is provided with the handle, the cooling bath has been seted up in the outside of die cavity, the refrigeration case is installed on the inside right side of first template, and installs the inlet tube between the refrigeration case is adjacent with the cooling bath, the inner wall of refrigeration case is fixed with the refrigeration piece, and the right side of refrigeration case is connected with the circulating pump, the right side of cooling bath is connected with communicating pipe, and installs the bellows between the adjacent of communicating pipe, there is the outlet pipe below of circulating pump through bellows connection, the internally mounted of control box has the controller, and the below of controller is provided with bee calling organ, the air pump is installed to the top outer wall of inflator, and the left side of air pump is connected with the trachea, the inside right side of inflator is connected with the piston rod, and the right-hand member of piston rod installs the knife rest, the.

Preferably, the temperature sensor is tightly attached to the bottom of the die cavity, the temperature sensor is electrically connected with the input end of the controller through a wire, and the output end of the controller is electrically connected with the display screen through a wire.

Preferably, the middle position of the locking plate is provided with a through hole, the locking plate is hinged with the second template in a connecting mode, and the locking plate forms a clamping structure with the clamping block through the through hole.

Preferably, the laser correlation transmitter and the laser correlation receiver are mutually matched, and the horizontal center line of the laser correlation transmitter and the horizontal center line of the laser correlation receiver are mutually overlapped.

Preferably, the inflator forms a communicating structure with the air pump through the air pipe, and the inflator and the piston rod are matched with each other to form a telescopic structure.

Preferably, the longitudinal axis central line of the sound hole and the longitudinal axis central line of the buzzer are overlapped, the sound hole is communicated with the inside of the control box, and the buzzer is electrically connected with the controller through a lead.

Preferably, the shape structure of the cooling tank is fan-shaped, and the cooling tank is communicated with the corrugated pipe through a communicating pipe.

Preferably, the cooling tank is communicated with the refrigeration box through a water inlet pipe, and the refrigeration box is communicated with the interior of the water outlet pipe through a circulating pump and a corrugated pipe.

Preferably, the outer edge of the joint of the piston rod and the tool holder penetrates through the bolt, and the piston rod and the tool holder form a detachable structure through the bolt.

Compared with the prior art, the invention has the following beneficial effects:

1. the temperature sensor is arranged to detect the temperature of the die cavity, and the temperature information can be displayed on the display screen through the cooperation with the controller, so that the temperature information can be conveniently checked by a worker, the worker can conveniently know the temperature information in the die in time, the die opening can be conveniently carried out at a proper temperature, the danger of die opening when the temperature is too high is avoided, and the production efficiency is prevented from being influenced by too long cooling time;

2. the locking plate and the clamping block are arranged to correspond to each other and are connected together through the clamping action, so that the first template and the second template can be connected and fixed, the two templates can be opened very conveniently due to the clamping action, the corrugated pipe has certain deformation capacity, a good communication effect can be ensured when the templates are closed and opened, and the stable and safe delivery of cooling water is ensured;

3. according to the invention, the laser correlation emitter and the laser correlation receiver are arranged to correspond to each other, so that whether the positioning between the two templates is accurate when the two templates are closed is detected through the signal connection between the laser correlation emitter and the laser correlation receiver, and the buzzer can be started to give an alarm when the positioning is not accurate, so that the blow molding operation can be avoided when the positioning of the templates is not accurate, the production of malposed defective products can be avoided, and certain economic loss can be reduced;

4. the cutting knife is arranged to cut the redundant material at the mouth of the plastic parison, so that the smoothness of the mouth is ensured, the air pump can convey air into the air cylinder through the air pipe, the air cylinder is driven to stretch and retract with the piston rod in a pneumatic mode, the pneumatic stretching is smooth and stable, the cutting knife is convenient to cut, the piston rod and the knife rest can be detached, the bolt is detached simply and conveniently, and convenience is provided for replacing a new cutting knife at the later stage;

5. the cooling tank is arranged to be tightly attached to the die cavity, cooling water can be filled into the cooling tank, so that the die cavity can be cooled, the cooling time can be shortened, the cooling efficiency of the whole die is improved, the temperature of the cooling water in the refrigerating box is effectively reduced by the refrigerating sheet, the cooling effect is prevented from being influenced by overhigh heat absorption temperature of the cooling water, the circulating pump is arranged to ensure that the cooling water is always in a circulating state, and the cooling efficiency of the cooling water is further improved.

Drawings

FIG. 1 is a schematic view of an open configuration of a first and second template of the present invention;

FIG. 2 is a schematic view of the closed structure of the first and second forms of the present invention;

FIG. 3 is a schematic top view of the first and second forms of the present invention;

FIG. 4 is a schematic view of the internal structure of the control box according to the present invention;

FIG. 5 is a schematic view of the mounting structure of the inflator and the cutter of the present invention.

In the figure: 1. a first template; 2. a hinge; 3. a second template; 4. a die cavity; 5. a temperature sensor; 6. a clamping block; 7. a locking plate; 8. a laser correlation emitter; 9. a laser correlation receiver; 10. an air cylinder; 11. a control box; 12. a display screen; 13. a sound hole; 14. a handle; 15. a cooling tank; 16. a refrigeration case; 17. a water inlet pipe; 18. a refrigeration plate; 19. a circulation pump; 20. a communicating pipe; 21. a water outlet pipe; 22. perforating; 23. a bellows; 24. a controller; 25. a buzzer; 26. an air pump; 27. an air tube; 28. a piston rod; 29. a tool holder; 30. a cutting knife.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a blow mold for beverage bottle production with an in-mold cutting device comprises a first mold plate 1, a hinge 2, a second mold plate 3, a mold cavity 4, a temperature sensor 5, a fixture block 6, a locking plate 7, a laser correlation emitter 8, a laser correlation receiver 9, an air cylinder 10, a control box 11, a display screen 12, a sound hole 13, a handle 14, a cooling tank 15, a refrigeration box 16, a water inlet pipe 17, a refrigeration sheet 18, a circulation pump 19, a communication pipe 20, a water outlet pipe 21, a perforation 22, a corrugated pipe 23, a controller 24, a buzzer 25, an air pump 26, an air pipe 27, a piston rod 28, a knife rest 29 and a cutting knife 30, wherein the hinge 2 is installed on the upper and lower sides of the right side surface of the first mold plate 1, the second mold plate 3 is installed on the right side of the hinge 2, the mold cavity 4 is opened in the middle position of the inner surfaces of the second mold plate 3 and the first mold plate 1, the upper side and the lower side of the left side face of the first template 1 are both fixed with fixture blocks 6, four corners of the inner surface of the first template 1 are all inlaid with laser correlation receivers 9, the upper side and the lower side of the right side face of the second template 3 are all mounted with locking plates 7, four corners of the inner surface of the second template 3 are all inlaid with laser correlation transmitters 8, an air cylinder 10 is mounted at the upper left corner of the first template 1, a control box 11 is inlaid at the middle position of the outer surface of the first template 1, a display screen 12 is mounted on the front face of the control box 11, a sound hole 13 is arranged below the display screen 12, a handle 14 is arranged above the display screen 12, a cooling groove 15 is formed in the outer side of the mold groove 4, a refrigeration box 16 is mounted on the inner right side of the first template 1, and a water inlet pipe 17 is mounted between the refrigeration;

the inner wall of the refrigeration box 16 is fixed with a refrigeration piece 18, the right side of the refrigeration box 16 is connected with a circulating pump 19, the right side of the cooling tank 15 is connected with a communicating pipe 20, a corrugated pipe 23 is arranged between the adjacent communicating pipes 20, the lower part of the circulating pump 19 is connected with a water outlet pipe 21 through the corrugated pipe 23, a controller 24 is arranged inside the control box 11, a buzzer 25 is arranged below the controller 24, the temperature sensor 5 is tightly attached to the bottom of the mold groove 4, the temperature sensor 5 is electrically connected with the input end of the controller 24 through a wire, the output end of the controller 24 is electrically connected with the display screen 12 through a wire, the temperature sensor 5 is arranged to detect the temperature of the mold groove 4, the temperature information can be displayed on the display screen 12 through the matching with the controller 24, the temperature information can be conveniently checked by a worker, and the worker can conveniently know the temperature information inside the, the mold opening is convenient to carry out at a proper temperature, so that the danger of mold opening at an overhigh temperature is avoided, and the influence on the production efficiency caused by overlong cooling time is also prevented;

an air pump 26 is arranged on the outer wall of the upper portion of the air cylinder 10, an air pipe 27 is connected to the left side of the air pump 26, a piston rod 28 is connected to the right side of the inner portion of the air cylinder 10, a cutter rest 29 is installed at the right end of the piston rod 28, a cutting knife 30 is fixed below the cutter rest 29, a through hole 22 is formed in the middle of the locking plate 7, the locking plate 7 is hinged to the second template 3, a clamping structure is formed between the locking plate 7 and the clamping block 6 through the through hole 22, the locking plate 7 and the clamping block 6 are arranged to correspond to each other and connected together through a clamping effect, so that the first template 1 and the second template 3 can be connected and fixed conveniently, the two templates can be opened conveniently due to the clamping effect, the laser correlation emitter 8 and the laser correlation receiver 9 are matched with each other, and the horizontal center line of the laser correlation emitter 8 and the horizontal center, the longitudinal axis center line of the sound hole 13 and the longitudinal axis center line of the buzzer 25 are coincident with each other, the sound hole 13 is communicated with the inside of the control box 11, the buzzer 25 is electrically connected with the controller 24 through a lead, the laser correlation emitter 8 and the laser correlation receiver 9 are arranged to correspond to each other in position, so that whether the positioning between the two templates is accurate when the two templates are closed is detected through signal connection between the laser correlation emitter 8 and the laser correlation receiver 9, the buzzer 25 can be started to give an alarm when the positioning is not accurate, the blow molding operation is favorably avoided when the positioning of the templates is not accurate, the production of misplaced defective goods is avoided, and certain economic loss is favorably reduced;

the inflator 10 and the air pump 26 form a communicating structure through the air pipe 27, the inflator 10 and the piston rod 28 are matched with each other to form a telescopic structure, the outer edge of the joint of the piston rod 28 and the knife rest 29 penetrates through the bolt, the piston rod 28 and the knife rest 29 form a detachable structure through the bolt, the cutting knife 30 is arranged to cut the redundant material at the mouth of the plastic parison, the smoothness of the mouth of the bottle is ensured, the air pump 26 can convey air to the interior of the inflator 10 through the air pipe 27, so that the air cylinder 10 and the piston rod 28 are driven to stretch and retract pneumatically, the pneumatic stretching is stable and stable, the cutting knife 30 is convenient to cut, the piston rod 28 and the knife rest 29 can be detached, the bolt is simple and convenient to detach, and convenience is provided for the;

the appearance structure of the cooling tank 15 is fan-shaped, the cooling tank 15 is communicated with the corrugated pipe 23 through the communicating pipe 20, the cooling tank 15 forms a communicating structure with the refrigeration box 16 through the water inlet pipe 17, the refrigeration box 16 is communicated with the interior of the water outlet pipe 21 through the circulating pump 19 and the corrugated pipe 23, the cooling tank 15 is arranged to be tightly attached to the mold cavity 4, cooling water can be filled into the cooling tank 15, so that the mold cavity 4 can be cooled, the cooling time required by cooling can be shortened, the cooling efficiency of the whole mold can be further improved, the temperature of the cooling water in the refrigeration box 16 can be effectively reduced through the refrigeration sheet 18, the cooling effect caused by overhigh heat absorption temperature of the cooling water can be avoided, the circulating pump 19 is arranged to ensure that the cooling water is always in a circulating state, the cooling efficiency of the cooling water is further improved, the corrugated pipe 23 has certain deformation capacity, so that good communicating effect can be ensured when, the stable and safe conveying of the cooling water is ensured.

The working principle is as follows: for the blow mold with the in-mold cutting device for beverage bottle production, firstly, a tubular plastic parison is placed inside a mold cavity 4, then a handle 14 is held, a second template 3 is rotated, the second template 3 rotates around a hinge 2, so that a first template 1 and a second template 3 are closed together, a laser correlation emitter 8 and a laser correlation receiver 9 are opposite, when the laser correlation emitter 8 and the laser correlation receiver 9 are staggered and cannot receive signals mutually, a controller 24 inside a control box 11 controls a buzzer 25 to be started, the buzzer 25 sends out sound to be transmitted out of the control box 11 through a sound hole 13 for warning, when the laser correlation emitter 8 and the laser correlation receiver 9 are aligned to receive signals mutually, the whole mold does not alarm, at the moment, a locking plate 7 can be rotated, so that a fixture block 6 passes through a through hole 22, the locking plate 7 and the fixture block 6 are clamped together, immediately introducing compressed air into the parison after the mold is closed, and performing blow molding;

then a plug above the refrigeration box 16 is opened, cooling water is injected into the refrigeration box 16, when the cooling water in the refrigeration box 16 is fully filled, the cooling water can enter the cooling tank 15 in the first template 1 along the water inlet pipe 17, after the cooling tank 15 is filled with the cooling water, the cooling water enters the cooling tank 15 in the second template 3 along the two communicating pipes 20 and the first corrugated pipe 23, after the cooling tank 15 is filled with the cooling water, the cooling water flows back into the refrigeration box 16 along the water outlet pipe 21, the second corrugated pipe 23 and the circulating pump 19, the circulating pump 19 is started, the circulating pump 19 can accelerate the circulation of the cooling water, the refrigeration piece 18 is started, the cooling water in the refrigeration box 16 is cooled again by the refrigeration piece 18, and the mold cavity 4 is cooled by the cooling tank 15;

then the air pump 26 is started, the air pump 26 inflates the interior of the air cylinder 10 through the air pipe 27, the air in the air cylinder 10 is increased, the pressure is increased, the piston rod 28 is pushed by the pressure to extend out of the air cylinder 10, the cutter 30 is driven by the cutter frame 29 to cut the bottle mouth residual material, the temperature sensor 5 can detect the temperature of the mold cavity 4 and transmit the temperature information to the controller 24, and the controller 24 transmits the temperature information to the display screen 12 for displaying, so that the use process of the whole blow mold for producing beverage bottles with the in-mold cutting device is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a blow mold is used in beverage bottle production with cutting device in mould, includes first template (1), control box (11) and refrigeration case (16), its characterized in that: the device is characterized in that hinges (2) are installed on the upper side and the lower side of the right side face of a first template (1), a second template (3) is installed on the right side of the hinges (2), die grooves (4) are formed in the middle positions of the inner surfaces of the second template (3) and the first template (1), a temperature sensor (5) is installed at the inner bottom of the first template (1), clamping blocks (6) are fixed on the upper side and the lower side of the left side face of the first template (1), laser correlation receivers (9) are embedded in the four corners of the inner surface of the first template (1), locking plates (7) are installed on the upper side and the lower side of the right side face of the second template (3), laser correlation emitters (8) are embedded in the four corners of the inner surface of the second template (3), air cylinders (10) are installed at the upper left corner of the first template (1), and a control box (11) is embedded in the middle position of the outer surface of the, and the front of the control box (11) is provided with a display screen (12), the lower part of the display screen (12) is provided with a sound hole (13), a handle (14) is arranged above the display screen (12), a cooling tank (15) is arranged on the outer side of the die cavity (4), the refrigeration box (16) is arranged on the right side of the interior of the first die plate (1), a water inlet pipe (17) is arranged between the refrigeration box (16) and the cooling tank (15), the inner wall of the refrigeration box (16) is fixed with a refrigeration sheet (18), the right side of the refrigeration box (16) is connected with a circulating pump (19), the right side of the cooling tank (15) is connected with a communicating pipe (20), a corrugated pipe (23) is arranged between the adjacent communicating pipes (20), the lower part of the circulating pump (19) is connected with a water outlet pipe (21) through the corrugated pipe (23), the controller (24) is arranged inside the control box (11), and a buzzer (25) is arranged below the controller (24), an air pump (26) is installed on the outer wall of the upper portion of the air cylinder (10), an air pipe (27) is connected to the left side of the air pump (26), a piston rod (28) is connected to the right side of the interior of the air cylinder (10), a cutter rest (29) is installed at the right end of the piston rod (28), and a cutter (30) is fixed below the cutter rest (29).

2. A blow mold for beverage bottle production with an in-mold cutting device according to claim 1, characterized in that: the temperature sensor (5) is tightly attached to the bottom of the die cavity (4), the temperature sensor (5) is electrically connected with the input end of the controller (24) through a lead, and the output end of the controller (24) is electrically connected with the display screen (12) through a lead.

3. A blow mold for beverage bottle production with an in-mold cutting device according to claim 1, characterized in that: perforation (22) have been seted up to the intermediate position of locking plate (7), and the connected mode between locking plate (7) and second template (3) is for articulated to constitute the block structure between locking plate (7) through perforation (22) and fixture block (6).

4. A blow mold for beverage bottle production with an in-mold cutting device according to claim 1, characterized in that: the laser correlation transmitter (8) and the laser correlation receiver (9) are matched with each other, and the horizontal center line of the laser correlation transmitter (8) and the horizontal center line of the laser correlation receiver (9) are overlapped with each other.

5. A blow mold for beverage bottle production with an in-mold cutting device according to claim 1, characterized in that: the air cylinder (10) and the air pump (26) form a communicating structure through the air pipe (27), and the air cylinder (10) and the piston rod (28) are matched with each other to form a telescopic structure.

6. A blow mold for beverage bottle production with an in-mold cutting device according to claim 1, characterized in that: the longitudinal axis central line of the sound hole (13) and the longitudinal axis central line of the buzzer (25) are overlapped, the sound hole (13) is communicated with the inside of the control box (11), and the buzzer (25) is electrically connected with the controller (24) through a conducting wire.

7. A blow mold for beverage bottle production with an in-mold cutting device according to claim 1, characterized in that: the cooling tanks (15) are fan-shaped in appearance structure, and the cooling tanks (15) are communicated with each other through a communication pipe (20) and a corrugated pipe (23).

8. A blow mold for beverage bottle production with an in-mold cutting device according to claim 1, characterized in that: the cooling tank (15) is communicated with the refrigerating box (16) through a water inlet pipe (17), and the refrigerating box (16) is communicated with the inside of the water outlet pipe (21) through a circulating pump (19) and a corrugated pipe (23).

9. A blow mold for beverage bottle production with an in-mold cutting device according to claim 1, characterized in that: the outer edge of the joint of the piston rod (28) and the tool holder (29) penetrates through the bolt, and the piston rod (28) and the tool holder (29) form a detachable structure through the bolt.