CN219360202U

CN219360202U - Ultrathin plastic part injection mold

Info

Publication number: CN219360202U
Application number: CN202320906014.4U
Authority: CN
Inventors: 匡宁波; 李俊; 方志轻
Original assignee: Shenzhen Jieqida Industrial Co ltd
Current assignee: Shenzhen Jieqida Industrial Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-07-18
Anticipated expiration: 2033-04-21

Abstract

The utility model relates to the technical field of injection molding and discloses an ultrathin plastic part injection mold, which comprises a base, wherein two ends of the upper surface of the base are fixedly connected with support columns, a transmission rod is rotationally connected between the two support columns, two sides of the surface of the transmission rod are fixedly connected with brake gears, two sides of the upper surface of the base are fixedly connected with shells, the top ends of the shells are movably inserted with screw rods, and the upper surface of the shells is rotationally connected with driven gears. This ultra-thin plastic part injection mold through being provided with motor, transfer line, screw rod, roof, can be ejecting with the plastic part that moulds plastics, carries out the drawing of patterns, and during the use, pour into the plastic part solution into the injection moulding inslot, start electric telescopic handle, drive the bed die decline, make the bed die be connected with last mould, plastic part solution is at the shaping of injection moulding inslot plastic, after the injection moulding, start electric telescopic handle and rise the bed die, later start motor.

Description

Ultrathin plastic part injection mold

Technical Field

The utility model relates to the technical field of injection molding, in particular to an injection mold for an ultrathin plastic part.

Background

With the rapid development of the plastic industry and the continuous improvement of the plastic performance, plastic parts are widely applied and are indispensable parts in household appliances, automobiles, mobile phones, PCs, medical appliances and lighting appliances, and more products are pursued to be light, thin and small for the purpose of more convenient use, so that thin-wall injection molding is a development trend.

Patent number CN115339058A discloses a thin-wall plastic part injection mold and a method, and the upper mold, the lower mold and the mold core are all arranged into a hollow structure, so that the contact area between the mold core and circulating water is increased, the mold is rapidly cooled and formed, and the production efficiency is greatly improved.

At present, after carrying out injection molding processing on plastic parts, entering a demolding stage, the plastic parts after injection molding are usually stuck on a cavity, and a worker is difficult to take down the plastic parts, so that the worker is required to push out the plastic parts by using a push rod, the operation steps of the worker are increased, the cooling time of the existing mold is too long, the thin-wall injection molding part is cooled and molded for a long time, the raw materials can not be molded quickly due to flowing, air lines, trapped air and other phenomena are caused, and the product quality is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an ultrathin plastic part injection mold which has the advantages of rapid demolding and good cooling effect, and solves the problems in the background art.

The utility model provides the following technical scheme: the utility model provides an ultra-thin plastic injection mold, includes the base, the equal fixedly connected with support column in upper surface both ends of base, two rotate between the support column and be connected with the transfer line, the equal fixedly connected with brake gear in surface both sides of transfer line, the equal fixedly connected with shell in upper surface both sides of base, the top activity of shell has pegged graft the screw rod, the upper surface of shell rotates and is connected with driven gear, driven gear cup joints at the screw rod surface, driven gear and brake gear intermeshing, driven gear's lower surface and the laminating of the upper surface of shell, the sleeve has been cup jointed in the top activity of screw rod, telescopic upper surface fixedly connected with goes up the mould, the injection molding groove has been seted up to the upper surface of last mould.

Preferably, a side plate is fixedly connected with one side surface of the base, an electric telescopic rod is fixedly mounted on the upper surface of the side plate, a lower die is fixedly connected with an output shaft of the electric telescopic rod, a water pump is fixedly mounted on one side surface of the upper die, an input end of the water pump penetrates through one side of the upper die, a cooler is fixedly connected with an output end of the water pump, a first telescopic pipe is fixedly connected with one end of the cooler, one end of the first telescopic pipe penetrates through one side surface of the lower die, a second telescopic pipe is fixedly connected with one side surface of the lower die, and one end of the second telescopic pipe penetrates through one side surface of the upper die.

Preferably, the four corners of the upper surface of the base are fixedly connected with bottom rods, the surfaces of the bottom rods are movably sleeved with lantern rings, the inner threads of the lantern rings are connected with inserted bars, one ends of the inserted bars are fixedly connected with top plates, and the top plates are located at the bottoms of the injection molding grooves.

Preferably, sealing rings are fixedly arranged at four corners of the bottom of the injection molding groove, and are sleeved on the surface of the top plate.

Preferably, a support is fixedly connected to one side of the support column, a motor is fixedly installed on the upper surface of the support, and an output shaft of the motor is fixedly connected with one end of the first transmission rod.

Preferably, the upper die and the lower die are hollow and filled with cooling liquid.

Compared with the prior art, the utility model has the following beneficial effects:

1. this ultra-thin plastic part injection mold, through being provided with the motor, the transfer line, the screw rod, the roof, can be ejecting with the plastic part that moulds plastics, carry out the drawing of patterns, during the use, pour into the injection moulding inslot with plastic part solution, start electric telescopic handle, drive the lower mould decline, make the lower mould be connected with last mould, plastic part solution is at injection moulding inslot plastic shaping, after the end of moulding plastics, start electric telescopic handle and rise the lower mould, afterwards start the motor, the motor drives the transfer line and rotates, thereby drive braking gear and rotate, can drive driven gear and rotate, thereby drive the screw rod downward movement, the screw rod descends and drives sleeve and last mould decline simultaneously, thereby drive plastic part decline and roof contact, can make the ejecting plastic part of roof, four roof can make more stable when ejecting, personnel's operation and understanding of being convenient for.

2. This ultra-thin plastic part injection mold, through being provided with the lantern ring, the inserted link, first flexible pipe, the flexible pipe of second, can adjust the height of roof, but be applicable to different degree of depth injection grooves, but thin wall injection molding carries out effective cooling simultaneously, when adjusting the roof height, rotate the lantern ring, make the inserted link reciprocate in the inslot of lantern ring, thereby adjust the height of inserted link and roof, be convenient for personnel to adjust, can cool off the injection molding in the injection molding through the inside coolant liquid of last mould and bed die, when frequently using the coolant liquid temperature to rise, start the water pump, can inhale the cooler with the coolant liquid after the intensification, cool off through the cooler, after flow into the bed die through first flexible pipe, thereby flow into in the last mould through the flexible pipe of second. The cooling efficiency of the forming die is improved by the circulation, the upper die and the lower die are filled with cooling liquid, the contact area between the cooling liquid and the injection molding piece can be increased, and the injection molding piece is rapidly formed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the device of the present utility model;

FIG. 2 is a schematic view of a base structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the collar of the present utility model;

FIG. 4 is a schematic view of the upper mold structure of the present utility model;

FIG. 5 is a schematic view of the structure of the injection molding cavity of the present utility model.

In the figure: 1. a base; 2. a support column; 3. a bracket; 4. a motor; 5. a transmission rod; 6. a brake gear; 7. a housing; 8. a screw; 9. a driven gear; 10. a sleeve; 11. an upper die; 12. a die injection groove; 13. an electric telescopic rod; 14. a lower die; 15. a bottom bar; 16. a collar; 17. a rod; 18. a top plate; 19. a water pump; 20. a cooler; 21. a first telescopic tube; 22. a second telescopic tube; 23. a side plate; 24. and (3) sealing rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an injection mold for ultrathin plastic parts comprises a base 1, wherein two ends of the upper surface of the base 1 are fixedly connected with support columns 2, a transmission rod 5 is rotatably connected between the two support columns 2, two sides of the surface of the transmission rod 5 are fixedly connected with a brake gear 6, two sides of the upper surface of the base 1 are fixedly connected with a shell 7, the top end of the shell 7 is movably inserted with a screw rod 8, the upper surface of the shell 7 is rotatably connected with a driven gear 9, the driven gear 9 is sleeved on the surface of the screw rod 8, the driven gear 9 is meshed with the brake gear 6, the lower surface of the driven gear 9 is attached to the upper surface of the shell 7, the top end of the screw rod 8 is movably sleeved with a sleeve 10, the upper surface of the sleeve 10 is fixedly connected with an upper mold 11, an injection groove 12 is formed in the upper surface of the upper mold 11, the injection molded plastic parts can be ejected out for demolding, and four top plates 18 can enable the ejection to be more stable, so that the operation and understanding of personnel are facilitated.

Wherein; one side surface fixedly connected with curb plate 23 of base 1, the last fixed surface of curb plate 23 installs electric telescopic handle 13, electric telescopic handle 13's output shaft fixedly connected with bed die 14, one side surface fixed mounting of bed die 11 has water pump 19, the input of water pump 19 runs through in one side of bed die 11, the output fixedly connected with cooler 20 of water pump 19, the one end fixedly connected with first flexible pipe 21 of cooler 20, one end of first flexible pipe 21 runs through in one side surface of bed die 14, one side surface fixedly connected with second flexible pipe 22 of bed die 14, one end of second flexible pipe 22 runs through in one side surface of bed die 11, when frequently using the coolant temperature to rise, start water pump 19, can inhale cooler 20 with the coolant liquid after the intensification, cool off through cooler 20.

Wherein; the four corners of the upper surface of the base 1 are fixedly connected with bottom rods 15, the surfaces of the bottom rods 15 are movably sleeved with lantern rings 16, the inner threads of the lantern rings 16 are connected with inserted rods 17, one ends of the inserted rods 17 are fixedly connected with top plates 18, the top plates 18 are located at the bottoms of the injection molding grooves 12, the lantern rings 16 are rotated to enable the inserted rods 17 to move up and down in the grooves of the lantern rings 16, and therefore the heights of the inserted rods 17 and the top plates 18 are adjusted, and personnel can conveniently adjust the height.

Wherein; sealing rings 24 are fixedly arranged at four corners of the bottom of the injection molding groove 12, the sealing rings 24 are sleeved on the surface of the top plate 18, and the sealing rings 24 can seal the top plate 18 and the injection molding groove 12.

Wherein; one side fixedly connected with support 3 of support column 2, the upper surface fixed mounting of support 3 has motor 4, and the output shaft of motor 4 and the one end fixed connection of first transfer line 5 utilize motor 4 drive, reducible personnel's labour.

Wherein; the upper die 11 and the lower die 14 are hollow and are filled with cooling liquid, so that the contact area between the cooling liquid and the injection molding piece can be increased, the injection molding piece can be rapidly molded, and phenomena such as air marks and air trapping of the plastic piece are prevented.

When the injection molding device is used, a plastic part solution is poured into the injection molding groove 12, the electric telescopic rod 13 is started, the lower die 14 is driven to descend, the lower die 14 is connected with the upper die 11, the plastic part solution is molded in the injection molding groove 12, cooling liquid in the injection molding process can be used for cooling injection molding parts through cooling liquid in the upper die 11 and the lower die 14, when the temperature of the cooling liquid is frequently increased, the water pump 19 is started, the warmed cooling liquid can be sucked into the cooler 20, the cooling liquid can be cooled through the cooler 20, and then flows into the lower die 14 through the first telescopic pipe 21, and the cooling liquid flows into the upper die 11 through the second telescopic pipe 22. With this circulation improvement forming die's cooling efficiency, go up mould 11 and bed die 14 all and fill with the coolant liquid, can increase the area of contact of coolant liquid with the injection molding, after moulding plastics, start electric telescopic handle 13 with bed die 14 rise, afterwards start motor 4, motor 4 drives transfer line 5 rotation, thereby drive brake gear 6 rotation, can drive driven gear 9 rotation, thereby drive screw rod 8 downstream, screw rod 8 descends and drives sleeve 10 and last mould 11 simultaneously and descend, thereby drive the plastic part decline and roof 18 contact, can make roof 18 ejecting plastic part.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. An ultra-thin plastic part injection mold, includes base (1), its characterized in that: the novel automatic mold is characterized in that support columns (2) are fixedly connected to the two ends of the upper surface of the base (1), a transmission rod (5) is rotationally connected between the support columns (2), braking gears (6) are fixedly connected to the two sides of the surface of the transmission rod (5), a shell (7) is fixedly connected to the two sides of the upper surface of the base (1), a screw rod (8) is movably inserted into the top end of the shell (7), a driven gear (9) is rotationally connected to the upper surface of the shell (7), the driven gear (9) is sleeved on the surface of the screw rod (8), the driven gear (9) is meshed with the braking gears (6) in a mutually meshed mode, the lower surface of the driven gear (9) is attached to the upper surface of the shell (7), a sleeve (10) is movably sleeved on the top end of the screw rod (8), an upper mold (11) is fixedly connected to the upper surface of the sleeve (10), and a mold injection groove (12) is formed in the upper surface of the upper mold (11).

2. The ultra-thin plastic part injection mold of claim 1, wherein: one side fixed surface of base (1) is connected with curb plate (23), the last fixed surface of curb plate (23) installs electric telescopic handle (13), the output shaft fixedly connected with bed die (14) of electric telescopic handle (13), one side fixed surface of last mould (11) installs water pump (19), the input of water pump (19) runs through in one side of last mould (11), the output fixedly connected with cooler (20) of water pump (19), the one end fixedly connected with first flexible pipe (21) of cooler (20), one end of first flexible pipe (21) runs through in one side surface of bed die (14), one side fixed surface of bed die (14) is connected with flexible pipe of second (22), one end of flexible pipe of second (22) runs through in one side surface of last mould (11).

3. The ultra-thin plastic part injection mold of claim 1, wherein: the novel injection molding machine is characterized in that bottom rods (15) are fixedly connected to four corners of the upper surface of the base (1), lantern rings (16) are movably sleeved on the surfaces of the bottom rods (15), inserting rods (17) are connected to the inner threads of the lantern rings (16), a top plate (18) is fixedly connected to one end of each inserting rod (17), and the top plate (18) is located at the bottom of the injection molding groove (12).

4. The ultra-thin plastic part injection mold of claim 1, wherein: sealing rings (24) are fixedly arranged at four corners of the bottom of the injection molding groove (12), and the sealing rings (24) are sleeved on the surface of the top plate (18).

5. The ultra-thin plastic part injection mold of claim 1, wherein: one side fixedly connected with support (3) of support column (2), the last surface mounting of support (3) has motor (4), the output shaft of motor (4) is connected with one end fixed connection of first transfer line (5).

6. The ultra-thin plastic part injection mold of claim 1, wherein: the upper die (11) and the lower die (14) are hollow in the inside and are filled with cooling liquid.