CN112643970A - Multicolor hot mold injection molding machine with controllable cooling speed - Google Patents

Multicolor hot mold injection molding machine with controllable cooling speed Download PDF

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Publication number
CN112643970A
CN112643970A CN202011188292.8A CN202011188292A CN112643970A CN 112643970 A CN112643970 A CN 112643970A CN 202011188292 A CN202011188292 A CN 202011188292A CN 112643970 A CN112643970 A CN 112643970A
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CN
China
Prior art keywords
injection molding
block
shell
cavity
molding machine
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Pending
Application number
CN202011188292.8A
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Chinese (zh)
Inventor
黄进忠
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Quanzhou Three Sichuan Machinery Co ltd
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Quanzhou Three Sichuan Machinery Co ltd
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Application filed by Quanzhou Three Sichuan Machinery Co ltd filed Critical Quanzhou Three Sichuan Machinery Co ltd
Priority to CN202011188292.8A priority Critical patent/CN112643970A/en
Publication of CN112643970A publication Critical patent/CN112643970A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1671—Making multilayered or multicoloured articles with an insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/03—Injection moulding apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/2608—Mould seals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/43—Removing or ejecting moulded articles using fluid under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/72—Heating or cooling
    • B29C45/73—Heating or cooling of the mould

Abstract

The invention discloses a multicolor hot mold injection molding machine with a controllable cooling speed, which comprises a hopper, a first cooling pump, a water tank and a second cooling pump, wherein an injector is fixedly installed on the left side of the hopper, a first shell is placed on the left side of the hopper, a secondary movable mold is fixedly installed inside the upper side of the first shell, an inner cavity is formed in the inner side of the secondary movable mold, a first cooling liquid cavity is formed inside the secondary movable mold, an injection molding cavity is formed in the middle side of the secondary movable mold, the front side of the bottom of the first shell is fixedly connected with the first cooling pump, a circulating liquid pipe is arranged above the first cooling pump, the water tank is fixedly installed on the rear side of the bottom of the first shell, and a second shell is placed on the left side of the first shell. The multicolor hot mold injection molding machine with the controllable cooling speed is convenient for producing multicolor plastic products, controlling the cooling speed of the molded plastic products and unloading.

Description

Multicolor hot mold injection molding machine with controllable cooling speed
Technical Field
The invention relates to the technical field related to multi-color hot mold injection molding, in particular to a multi-color hot mold injection molding machine with controllable cooling speed.
Background
The hot film injection molding machine is a production device which is very common in factories, is widely applied to the industry of plastic products, and is used for manufacturing plastic products with various shapes by injecting plastic in a molten state into a mold.
The general hot mold injection molding machine is inconvenient for producing multicolor plastic products, controlling the cooling speed of a molded mold, and unloading, and has low practicability, so that the multicolor hot mold injection molding machine with controllable cooling speed is provided, and the problems provided in the prior art are solved.
Disclosure of Invention
The invention aims to provide a multicolor hot mold injection molding machine with controllable cooling speed, which aims to solve the problems that the common hot mold injection molding machine in the background art is inconvenient to produce multicolor plastic products, control the cooling speed of a molded mold, and is low in practicability and inconvenient to unload.
In order to achieve the purpose, the invention provides the following technical scheme: a multicolor hot mold injection molding machine with controllable cooling speed comprises a hopper, a first cooling pump, a water tank and a second cooling pump, wherein an injector is fixedly installed on the left side of the hopper, a first shell is placed on the left side of the hopper, a secondary movable mold is fixedly installed inside the upper side of the first shell, an inner cavity is arranged on the inner side of the secondary movable mold, a first cooling liquid cavity is arranged inside the secondary movable mold, an injection molding cavity is formed inside the middle side of the secondary movable mold, the bottom front side of the first shell is fixedly connected with the first cooling pump, a circulating liquid pipe is arranged above the first cooling pump, the water tank is fixedly installed on the bottom rear side of the first shell, a second shell is placed on the left side of the first shell, a first adjusting rod is rotatably connected to the bottom rear side of the second shell, a motor is fixedly connected to the bottom left side of the second shell, a transmission disc is fixedly installed on the outer wall of the lower end of the first adjusting, the outer part of the transmission disc is connected with a connecting belt, the upper end of the first adjusting rod is connected with a bearing block, and the outer part of the upper side of the first adjusting rod is connected with an adjusting block;
the inner side of the adjusting block is fixedly connected with a third shell, the interior of the third shell is connected with a connecting block, a second adjusting rod is connected above the bearing block, a third adjusting rod is connected inside the front side of the connecting belt, the left side of the connecting block is fixedly provided with a movable block, the right side of the connecting block is fixedly connected with an automatic telescopic rod, a cross bar is fixedly arranged on the right side of the middle part of the movable block, the right end of the automatic telescopic rod is fixedly connected with a connecting plate, and the right side of the connecting plate is fixedly provided with a bearing block, the right side of the bearing block is fixedly connected with a main moving die, a second cooling liquid cavity is arranged inside the driving die, an air bag is arranged in the middle of the right side of the connecting plate, and the right side of the gasbag is fixedly provided with a catheter, the outside of the left side of the bearing block is fixedly provided with a second cooling pump, and the inside of the bearing block is provided with a ventilation cavity.
Preferably, the secondary moving die is symmetrically installed about a horizontal middle vertical line of the first shell, the size of an inner cavity in the secondary moving die on the lower side of the first shell and the aperture size of an injection molding cavity are respectively larger than the size of the inner cavity in the secondary moving die on the first shell and the aperture size of the injection molding cavity, and rubber gaskets are fixedly connected to inner walls of the upper side and the lower side of the secondary moving die.
Preferably, the front side of the first cooling liquid cavity is communicated with a plurality of circulating liquid pipes, the longitudinal section of the injection molding cavity on the inner side of the first cooling liquid cavity is in a splayed shape, and the position of the injection molding cavity is arranged corresponding to the left end of the injection molding device.
Preferably, the output end of the motor is connected with the lower side of the first adjusting rod in a meshing manner, and the first adjusting rod is connected with the bearing block in a rotating manner.
Preferably, the adjusting block is connected with the first adjusting rod in a threaded manner, and the adjusting block is symmetrically arranged about the central point of the connecting block.
Preferably, the joint block forms a sliding structure in the second housing through a movable block, and the movable block is symmetrically installed about a horizontal middle vertical line of the joint block.
Preferably, the lower end of the third adjusting rod is also provided with a transmission disc, and the transmission disc is connected with the connecting belt in a meshing manner.
Preferably, the movable block is connected with the second shell in a clamping manner, and the cross section of the movable block is L-shaped.
Preferably, the inner part of the connecting plate is provided with a groove-shaped structure, and the groove-shaped structure is correspondingly arranged relative to the position of the cross rod.
Preferably, the balloon is communicated with the ventilation cavity through a guide pipe, the central line of the balloon is superposed with the central line of the cross rod, and the right longitudinal section of the cross rod is arc-shaped.
Compared with the prior art, the invention has the beneficial effects that: the multicolor hot mold injection molding machine with the controllable cooling speed is convenient for producing multicolor plastic products, controlling the cooling speed of the molded plastic products and unloading;
1. the secondary coloring injection molding device is provided with a secondary movable mold and an inner cavity, the secondary movable mold is symmetrically installed about a horizontal perpendicular bisector of the first shell, secondary coloring injection molding is convenient to be carried out on a molded plastic product, then the size of the inner cavity of the secondary movable mold on the lower side of the first shell and the aperture size of the injection molding cavity are respectively larger than the size of the inner cavity of the secondary movable mold on the upper side of the first shell and the aperture size of the injection molding cavity, the secondary coloring injection molding effect is improved, injection molding is prevented from being unsuccessful, rubber sealing gaskets are fixedly connected to the inner walls of the upper side and the lower side of the secondary movable mold, the sealing performance;
2. the first cooling liquid cavity and the circulating liquid pipes are arranged, and the front side of the first cooling liquid cavity is communicated with the plurality of circulating liquid pipes, so that the first cooling pump can control the flow rate of the cooling liquid by controlling the number of switches of the circulating liquid pipes, the cooling effect of the first cooling liquid cavity on the formed mold is controlled, the purpose of controlling the cooling speed is further achieved, and the practicability is improved;
3. be equipped with the gasbag and ventilate the chamber, through the central line coincidence of the central line of gasbag and horizontal pole, the horizontal pole of being convenient for extrudees the gasbag to the inside air of discharge gasbag, because the gasbag passes through the pipe and ventilates the chamber and be linked together again, make the air of being extruded in the gasbag can discharge through ventilating the chamber, thereby blow off the plastic products after the shaping, and then be convenient for unload.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 4 is a side sectional view of the second housing and adjustment block connection of the present invention;
FIG. 5 is a schematic top view of the present invention;
FIG. 6 is a side view of the first coolant chamber and the coolant pipe connection according to the present invention.
In the figure: 1. a hopper; 2. an injection molding machine; 3. a first housing; 4. secondary moving die; 5. an inner cavity; 6. a first coolant cavity; 7. an injection molding cavity; 8. a first cooling pump; 9. a circulating liquid pipe; 10. a water tank; 11. a second housing; 12. a first adjusting lever; 13. a motor; 14. a drive plate; 15. a splicing tape; 16. a bearing block; 17. an adjusting block; 18. a third housing; 19. a second adjusting lever; 20. a joining block; 21. a third adjusting rod; 22. a movable block; 23. automatically telescoping the rod; 24. a cross bar; 25. a connector tile; 26. a bearing block; 27. an air bag; 28. a main moving die; 29. a second coolant cavity; 30. a second cooling pump; 31. a conduit; 32. a vent lumen.
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. 1-6, the present invention provides a technical solution: a multicolor hot mold injection molding machine with controllable cooling speed comprises a hopper 1, an injector 2, a first shell 3, a secondary movable mold 4, an inner cavity 5, a first cooling liquid cavity 6, an injection molding cavity 7, a first cooling pump 8, a circulating liquid pipe 9, a water tank 10, a second shell 11, a first adjusting rod 12, a motor 13, a driving disc 14, a connecting belt 15, a bearing block 16, an adjusting block 17, a third shell 18, a second adjusting rod 19, a connecting block 20, a third adjusting rod 21, a movable block 22, an automatic telescopic rod 23, a cross rod 24, a connecting plate 25, a bearing block 26, an air bag 27, a main movable mold 28, a second cooling liquid cavity 29, a second cooling pump 30, a guide pipe 31 and a ventilation cavity 32, wherein the injector 2 is fixedly installed on the left side of the hopper 1, the first shell 3 is placed on the left side of the hopper 1, the secondary movable mold 4 is fixedly installed inside the upper side of the first shell 3, the inner cavity 5 is arranged on the inner side of the, a first cooling liquid cavity 6 is arranged inside the secondary moving die 4, an injection molding cavity 7 is formed inside the middle side of the secondary moving die 4, a first cooling pump 8 is fixedly connected to the front side of the bottom of the first shell 3, a circulating liquid pipe 9 is arranged above the first cooling pump 8, a water tank 10 is fixedly mounted on the rear side of the bottom of the first shell 3, a second shell 11 is placed on the left side of the first shell 3, a first adjusting rod 12 is rotatably connected to the rear side of the bottom of the second shell 11, a motor 13 is fixedly connected to the left side of the bottom of the second shell 11, a transmission disc 14 is fixedly mounted on the outer wall of the lower end of the first adjusting rod 12, a connecting belt 15 is connected to the outside of the transmission disc 14, a bearing block 16 is connected to the upper end of the first adjusting rod 12, and an adjusting block 17 is connected to the outside of the upper;
the inner side of the adjusting block 17 is fixedly connected with a third shell 18, the inside of the third shell 18 is connected with a connecting block 20, the upper part of the bearing block 16 is connected with a second adjusting rod 19, the inside of the front side of the connecting belt 15 is connected with a third adjusting rod 21, the left side of the connecting block 20 is fixedly provided with a movable block 22, and the right side of the connecting block 20 is fixedly connected with an automatic telescopic rod 23, a cross bar 24 is fixedly arranged on the right side of the middle part of the movable block 22, a connecting plate 25 is fixedly connected with the right end of the automatic telescopic rod 23, and the right side of the connecting plate 25 is fixedly provided with a bearing block 26, the right side of the bearing block 26 is fixedly connected with a main moving die 28, and a second cooling liquid cavity 29 is formed inside the active die 28, an air bag 27 is formed in the middle of the right side of the joint plate 25, and a guide tube 31 is fixedly installed at the right side of the air bag 27, a second cooling pump 30 is fixedly installed at the outer part of the left side of the bearing block 26, and a ventilation cavity 32 is arranged inside the bearing block 26.
As shown in fig. 1 and 2, the secondary movable mold 4 is symmetrically installed about a horizontal perpendicular bisector of the first housing 3, the size of the inner cavity 5 in the secondary movable mold 4 on the lower side of the first housing 3 and the aperture size of the injection molding cavity 7 are respectively larger than the size of the inner cavity 5 in the secondary movable mold 4 on the upper side of the first housing 3 and the aperture size of the injection molding cavity 7, and rubber gaskets are fixedly connected to the inner walls on the upper side and the lower side of the secondary movable mold 4, so that secondary coloring injection molding can be conveniently performed on a molded plastic product, the secondary coloring injection molding effect is improved, unsuccessful injection molding is prevented, the sealing performance is improved, and the secondary coloring injection molding effect;
as shown in fig. 1, 2 and 6, the front side of the first cooling liquid cavity 6 is communicated with a plurality of circulating liquid pipes 9, the longitudinal section of the injection molding cavity 7 inside the first cooling liquid cavity 6 is in a shape of Chinese character 'ba', and the position of the injection molding cavity 7 is arranged corresponding to the left end of the injection molding device 2, so that the first cooling pump 8 can control the flow rate of the cooling liquid by controlling the number of switches of the circulating liquid pipes 9, thereby controlling the cooling effect of the first cooling liquid cavity 6 on the molded mold, further achieving the purpose of controlling the cooling speed, improving the practicability and improving the injection molding quality;
as shown in fig. 1 and 4, the output end of the motor 13 is connected with the lower side of the first adjusting rod 12 in a meshing manner, the first adjusting rod 12 is connected with the receiving block 16 in a rotating manner, so as to drive the adjusting block 17 to lift, the adjusting block 17 is connected with the first adjusting rod 12 in a threaded manner, and the adjusting block 17 is symmetrically arranged about the center point of the joining block 20, so as to drive the joining block 20 to lift, and improve the stability of the joining block 20;
as shown in fig. 1, 4 and 5, the joint block 20 forms a sliding structure in the second housing 11 through the movable block 22, and the movable block 22 is symmetrically installed about the horizontal perpendicular bisector of the joint block 20, so as to further improve the stability of the joint block 20, the lower end of the third adjusting rod 21 is also provided with the driving disc 14, and the driving disc 14 is connected with the joint belt 15 in a meshing manner, so that the third adjusting rod 21 and the first adjusting rod 12 can synchronously rotate, so as to prevent the joint block 20 from shifting, the movable block 22 is connected with the second housing 11 in a clamping manner, and the cross section of the movable block 22 is in an "L" shape, so as to further improve the stability of the joint block 20, and prevent the joint block 20 from falling off;
as shown in fig. 1 and 3, the inside of the connecting plate 25 is provided with a groove-shaped structure, and the groove-shaped structure is correspondingly arranged with respect to the position of the cross bar 24, so that the cross bar 24 can extrude the bearing block 26, the air bag 27 is communicated with the vent cavity 32 through the conduit 31, the center line of the air bag 27 is coincident with the center line of the cross bar 24, and the right longitudinal section of the cross bar 24 is arc-shaped, so that the air in the air bag 27 can be discharged to the outside, and the air extruded in the air bag 27 can be discharged through the vent cavity 32, so that the formed plastic product is blown off, and the unloading is facilitated.
The working principle is as follows: when the multicolor hot mold injection molding machine with the controllable cooling speed is used, firstly, as shown in fig. 1, fig. 2 and fig. 6, the automatic telescopic rod 23 is started to drive the bearing block 26 to clamp the active mold 28 in the inner cavity 5, the injector 2 on the upper side of the hopper 1 is started to inject molten plastic into a gap between the inner cavity 5 and the bearing block 26 through the injection mold cavity 7, rubber gaskets are fixedly connected to the inner walls of the upper side and the lower side of the secondary mold 4 to improve the sealing performance and the injection molding effect, after the injection molding is completed, the first cooling pump 8 is started to enable the circulating liquid pipe 9 to circulate cooling liquid in the first cooling liquid cavity 6 through the water tank 10, so as to cool the injection molded plastic product, the plurality of circulating liquid pipes 9 are communicated with the front side of the first cooling liquid cavity 6, so that the first cooling pump 8 can control the flow speed of the cooling liquid by controlling the number of the circulating liquid pipes 9, thereby controlling the cooling effect of the first cooling liquid cavity 6 on the formed die, further achieving the purpose of controlling the cooling speed, improving the practicability, and after the cooling is finished, the formed plastic product is attached to the outside of the active die 28;
then, as shown in fig. 1, 4 and 5, the starting motor 13 drives the first adjusting rod 12 to rotate, the first adjusting rod 12 drives the adjusting block 17 to go up and down, so that the third housing 18 drives the connecting block 20 to go down, the first adjusting rod 12 drives the transmission disc 14 to rotate while rotating, the connecting belt 15 drives the third adjusting rod 21 to rotate, and the third adjusting rod 21 rotates synchronously with the first adjusting rod 12, so that the connecting block 20 is prevented from inclining and the stability of the connecting block is improved, the adjusting block 17 on the upper side of the connecting block 20 slides on the second adjusting rod 19 while the connecting block 20 goes down, the stability of the connecting block 20 is further improved, the movable block 22 is clamped and slides on the second housing 11, the connecting block 20 is prevented from falling off, and the stability of the connecting block 20 is further improved;
referring to fig. 1, 4 and 5, when the adjusting block 17 on the upper side of the connecting block 20 slides onto the receiving block 16, the active mold 28 just corresponds to the position of the inner cavity 5 on the lower side of the first housing 3, the automatic telescopic rod 23 is started to clamp the active mold 28 with the inner cavity 5 on the lower side of the first housing 3, the injection molding machine 2 on the lower side of the hopper 1 is started, the molten plastic with another color is filled in the injection molding machine 2 on the lower side, so as to perform secondary coloring injection molding on the molded plastic product, then the size of the inner cavity 5 in the secondary mold 4 on the lower side of the first housing 3 and the aperture size of the injection molding cavity 7 are respectively larger than the size of the inner cavity 5 in the secondary mold 4 on the upper side of the first housing 3 and the aperture size of the injection molding cavity 7, thereby preventing unsuccessful injection molding and improving the secondary coloring injection molding effect, after the secondary injection molding, the first cooling pump 8 and the, after cooling is finished;
finally, as shown in fig. 1 and 3, the automatic telescopic rod 23 drives the main mold 28 to move to the left, and a groove-shaped structure is formed inside the connecting plate 25 and is correspondingly arranged relative to the position of the cross bar 24, so that the cross bar 24 can extrude the bearing block 26, and air in the air bag 27 can be discharged to the outside, and the air bag 27 is communicated with the ventilation cavity 32 through the guide pipe 31, so that the air extruded in the air bag 27 can be discharged through the ventilation cavity 32, and the molded plastic product is blown down to complete discharging, which is the whole process of the use of the multi-color hot mold injection molding machine with controllable cooling speed.
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 (10)

1. The utility model provides a controllable polychrome hot mold injection moulding machine of cooling rate, includes hopper (1), first cooling pump (8), water tank (10) and second cooling pump (30), its characterized in that: the left side of the hopper (1) is fixedly provided with an injection molding device (2), the left side of the hopper (1) is provided with a first shell (3), a secondary movable mold (4) is fixedly arranged inside the upper side of the first shell (3), an inner cavity (5) is arranged inside the secondary movable mold (4), a first cooling liquid cavity (6) is arranged inside the secondary movable mold (4), an injection molding cavity (7) is formed inside the middle side of the secondary movable mold (4), the bottom front side of the first shell (3) is fixedly connected with a first cooling pump (8), a circulating liquid pipe (9) is arranged above the first cooling pump (8), the bottom rear side of the first shell (3) is fixedly provided with a water tank (10), the left side of the first shell (3) is provided with a second shell (11), and the bottom rear side of the second shell (11) is rotatably connected with a first adjusting rod (12), a motor (13) is fixedly connected to the left side of the bottom of the second shell (11), a transmission disc (14) is fixedly mounted on the outer wall of the lower end of the first adjusting rod (12), a connecting belt (15) is connected to the outside of the transmission disc (14), a bearing block (16) is connected to the upper end of the first adjusting rod (12), and an adjusting block (17) is connected to the outside of the upper side of the first adjusting rod (12);
the inboard fixedly connected with third casing (18) of regulation piece (17), and the internal connection of third casing (18) has a joint piece (20), the top of bearing piece (16) is connected with second regulation pole (19), the front side internal connection of joining area (15) has a third regulation pole (21), the left side fixed mounting of joint piece (20) has movable block (22), and the right side fixed connection of joint piece (20) has automatic telescopic link (23), and the right-hand fixed mounting in middle part of movable block (22) has horizontal pole (24), the right-hand member fixed connection of automatic telescopic link (23) links up board (25), and the right side fixed mounting of linking up board (25) has carrier block (26), the right side fixed connection of carrier block (26) has initiative mould (28), and the inside of initiative mould (28) is provided with second cooling liquid chamber (29), the right middle part of the connecting plate (25) is provided with an air bag (27), the right side of the air bag (27) is fixedly provided with a guide pipe (31), the left outer part of the bearing block (26) is fixedly provided with a second cooling pump (30), and the inside of the bearing block (26) is provided with a ventilation cavity (32).
2. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: inferior movable mould (4) are installed about the horizontal median perpendicular symmetry of first casing (3), and the size of inner chamber (5) in inferior movable mould (4) of first casing (3) downside and the aperture size of moulding chamber (7) are greater than the size of inner chamber (5) in inferior movable mould (4) on first casing (3) respectively and the aperture size of moulding chamber (7) to the equal fixedly connected with rubber packing pad of upper and lower both sides inner wall of inferior movable mould (4).
3. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: the front side of the first cooling liquid cavity (6) is communicated with a plurality of circulating liquid pipes (9), the longitudinal section of the injection molding cavity (7) on the inner side of the first cooling liquid cavity (6) is in a splayed shape, and the position of the injection molding cavity (7) is arranged corresponding to the left end of the injection molding device (2).
4. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: the output end of the motor (13) is connected with the lower side of the first adjusting rod (12) in a meshing mode, and the first adjusting rod (12) is connected with the bearing block (16) in a rotating mode.
5. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: the adjusting block (17) is connected with the first adjusting rod (12) in a threaded mode, and the adjusting block (17) is symmetrically arranged relative to the central point of the connecting block (20).
6. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: the joint block (20) forms a sliding structure in the second shell (11) through a movable block (22), and the movable block (22) is symmetrically arranged relative to the horizontal middle vertical line of the joint block (20).
7. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: the lower end of the third adjusting rod (21) is also provided with a transmission disc (14), and the transmission disc (14) is connected with the connecting belt (15) in a meshing manner.
8. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: the movable block (22) is connected with the second shell (11) in a clamping mode, and the cross section of the movable block (22) is L-shaped.
9. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: the inner part of the connecting plate (25) is provided with a groove-shaped structure, and the groove-shaped structure is correspondingly arranged relative to the position of the cross rod (24).
10. A multicolor hot-mold injection molding machine with controllable cooling speed according to claim 1, wherein: the air bag (27) is communicated with the ventilation cavity (32) through a guide pipe (31), the center line of the air bag (27) is superposed with the center line of the cross rod (24), and the right side longitudinal section of the cross rod (24) is arc-shaped.
CN202011188292.8A 2020-10-30 2020-10-30 Multicolor hot mold injection molding machine with controllable cooling speed Pending CN112643970A (en)

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Application publication date: 20210413