CN218749031U

CN218749031U - Injection mold

Info

Publication number: CN218749031U
Application number: CN202222803136.9U
Authority: CN
Inventors: 曹斌
Original assignee: Sanli Hengye Xiamen Technology Co ltd
Current assignee: Sanli Hengye Xiamen Technology Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-03-28
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to an injection mold technical field discloses an injection mold, including cover half, movable mould, fly leaf and base, cover half front end one side intercommunication has the water inlet, cover half front end opposite side intercommunication has the delivery port, cover half top middle part is provided with the die cavity, the inside refrigerant pipe that is provided with of cover half, the equal fixedly connected with activity post in fly leaf top four corners department, a plurality of thimbles of fixedly connected with in fly leaf top middle part, the equal fixedly connected with spring beam in base top four corners department. The utility model discloses in, after the completion of moulding plastics in the die cavity, cold water pours into the water inlet into, and cold water can flow in the refrigerant pipe afterwards, and then takes away a large amount of heats from the cover half, makes its rapid cooling, pours plastics into to the die cavity through the mouth of moulding plastics, treats product shaping back, and the movable mould rebound upwards promotes the fly leaf through spring elastic's effect afterwards, and then makes thimble rebound through two ejecting drawing of patterns of the product with the die cavity inside of preformed hole.

Description

Injection mold

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold.

Background

The injection mould is a tool for producing plastic products, also a tool for endowing the plastic products with complete structures and accurate dimensions, and particularly relates to an injection moulding method for injecting heated and melted plastics into a mould cavity from an injection moulding machine at high pressure and obtaining a formed product after cooling and solidification.

Present injection mold need the later stage to cool off the drawing of patterns when moulding plastics, but some injection mold now all are direct to cool off the drawing of patterns by mould self heat dissipation, the radiating effect is not good, and forming speed is slow, complete fashioned product not, can lead to the product to warp at the in-process of drawing of patterns at last, influence product quality, present injection mold does not mostly possess the function of automatic drawing of patterns in addition, traditional drawing of patterns adopts the mode of artifical thimble, utilize artifical drawing of patterns not only efficiency lower, and waste time and energy.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an injection mold.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an injection mold, includes cover half, movable mould, fly leaf and base, cover half top four corners department is provided with preformed hole one, cover half front end one side intercommunication has the water inlet, cover half front end opposite side intercommunication has the delivery port, cover half top middle part is provided with the die cavity, the die cavity top is provided with a plurality of preformed hole two, both ends all are provided with two screw one about the cover half, the inside refrigerant pipe that is provided with of cover half, refrigerant pipe one end intercommunication water inlet refrigerant pipe other end intercommunication delivery port, movable mould top middle part is provided with the mouth of moulding plastics, the equal fixedly connected with activity post in fly leaf top four corners department, activity post outer wall middle part runs through preformed hole one, a plurality of thimbles of fly leaf top middle part fixedly connected with, the thimble top runs through preformed hole two, the equal fixedly connected with spring beam in base top four corners department, the spring beam surface is provided with the spring, the base left and right sides surface all is provided with screw two, the inside threaded connection of screw has the bolt, the bolt top is threaded connection with screw.

As a further description of the above technical solution:

the movable mould is arranged above the fixed mould.

As a further description of the above technical solution:

the refrigerant pipes are arranged in the fixed die in an S shape.

As a further description of the above technical solution:

both ends all are provided with two sliders about the fly leaf, base left and right sides inner wall all is provided with two spouts, the spout is sliding connection with the slider.

As a further description of the above technical solution:

one end of the spring is connected with the base, and the other end of the spring is connected with the movable column.

As a further description of the above technical solution:

the four corners of the bottom end of the movable mold are provided with connecting holes, and the upper side of the outer wall of the movable column is located inside the connecting holes at the bottom end of the movable mold.

As a further description of the above technical solution:

the middle part of the bottom end of the movable column is provided with a connecting hole, and the upper side of the outer wall of the spring rod is positioned inside the connecting hole in the middle part of the bottom end of the movable column.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, through the water inlet and the delivery port that set up on the cover half to and inside refrigerant pipe, after the injection molding accomplishes in the die cavity, cold water can pour into through the water inlet, cold water can flow in the refrigerant pipe afterwards, and then takes away a large amount of heats from the cover half, makes its rapid cooling, cold water can follow the delivery port outflow after taking away the heat, utilizes water-cooled effect to cover half rapid cooling for product shaping speed, avoid appearing the condition of warping in the in-process product of follow-up drawing of patterns, product quality has been promoted.

2. The utility model discloses in, through fixing thimble and the activity post on the fly leaf to and fixed spring beam and spring on the base, through moulding plastics mouthful injection moulding in to the die cavity, treat product shaping back, movable mould rebound upwards promotes the fly leaf through spring elastic's effect afterwards, and then makes thimble rebound through two ejecting drawing of patterns of product with the die cavity inside of preformed hole, has saved hand labor power, has improved drawing of patterns efficiency.

Drawings

Fig. 1 is a perspective view of an injection mold according to the present invention;

fig. 2 is an exploded view of an injection mold according to the present invention;

fig. 3 is a schematic view of an operating state of an injection mold according to the present invention;

fig. 4 is the utility model provides an injection mold's inside refrigerant tubular construction of cover half sketch map.

Illustration of the drawings:

1. fixing a mold; 2. reserving a first hole; 3. a water inlet; 4. a water outlet; 5. a mold cavity; 6. reserving a second hole; 7. a first screw hole; 8. moving the mold; 9. an injection molding port; 10. a movable plate; 11. a movable post; 12. a thimble; 13. a slider; 14. a base; 15. a chute; 16. a spring lever; 17. a spring; 18. a second screw hole; 19. a bolt; 20. a refrigerant pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an injection mold comprises a fixed mold 1, a movable mold 8, a movable mold plate 10 and a base 14, wherein an injection port 9 is arranged in the middle of the top end of the movable mold 8, a first reserved hole 2 is arranged at the four corners of the top end of the fixed mold 1, a mold cavity 5 is arranged in the middle of the top end of the fixed mold 1, a plurality of second reserved holes 6 are arranged at the top end of the mold cavity 5, two first screw holes 7 are respectively arranged at the left end and the right end of the fixed mold 1, a movable column 11 is fixedly connected to the four corners of the top end of the movable mold 10, the first reserved hole 2 penetrates through the middle of the outer wall of the movable column 11, a plurality of ejector pins 12 are fixedly connected to the middle of the top end of the movable plate 10, the second reserved holes 6 penetrate through the top ends of the ejector pins 12, when the movable mold 8 moves towards the fixed mold 1, the movable mold 8 firstly contacts with the movable column 11 in the moving process, then the movable column 11 moves downwards, and then the movable plate 10 and the ejector pins 12 slide downwards until the movable mold 8 completely contacts with the fixed mold 1, and then the injection port 9 injects the injection mold into the mold cavity 5, one side of the front end of the fixed die 1 is communicated with a water inlet 3, the other side of the front end of the fixed die 1 is communicated with a water outlet 4, a refrigerant pipe 20 is arranged in the fixed die 1, one end of the refrigerant pipe 20 is communicated with the water inlet 3, the other end of the refrigerant pipe 20 is communicated with the water outlet 4, after injection molding is completed in the die cavity 5, cold water is injected through the water inlet and then flows in the refrigerant pipe 20, heat on the fixed die 1 can be taken away during the process, the cold water is discharged from the water outlet 4 after the heat is taken away, the fixed die 1 is rapidly cooled by utilizing the water cooling effect, the product molding speed is accelerated, spring rods 16 are fixedly connected at four corners of the top end of the base 14, springs 17 are arranged on the surfaces of the spring rods 16, screw holes two 18 are arranged on the surfaces of the left side and the right side of the base 14, bolts 19 are connected with the screw holes one 7 in a threaded manner inside the screw holes 19, after the product is molded, the movable mold 8 moves upwards, and then the movable plate 10 is pushed upwards by the elastic action of the spring 17 on the surface of the spring rod 16, so that the ejector pin 12 moves upwards to eject the product molded inside the mold cavity 5 through the second reserved hole 6, and the demolding efficiency is improved.

The movable mould 10 is located the base 14 top, the cover half 1 is located the movable mould 10 top, the movable mould 8 is located the cover half 1 top, refrigerant pipe 20 arranges inside the cover half 1 for the S type, can make refrigerant pipe 20 contact surface inside the cover half 1 wider, promote the radiating efficiency, both ends all are provided with two sliders 13 about the movable mould 10, base 14 left and right sides inner wall all is provided with two spout 15, spout 15 and slider 13 are sliding connection, make more stable when the movable mould 10 reciprocates, spring 17 one end links to each other with base 14, the spring 17 other end links to each other with

movable post

11, 8 bottom four corners department in movable mould all is provided with the connecting hole, activity post 11 outer wall upside is located inside the connecting hole of movable mould 8 bottom, activity post 11 bottom middle part is provided with the connecting hole, the outer wall upside of spring bar 16 is located inside the connecting hole of activity post 11 bottom middle part, the connecting hole that sets up in movable mould 8 bottom and activity post 11 bottom, contact with movable mould 8 on activity post 11 top, and when spring bar 16 contacts with activity post 11 bottom, stability has been promoted.

The working principle is as follows: firstly, the movable mold 8 moves close to the fixed mold 1, the movable mold 8 is firstly contacted with the movable column 11 in the moving process, then the movable column 11 moves downwards, the movable plate 10 and the ejector pin 12 slide downwards until the movable mold 8 is completely contacted with the fixed mold 1, then injection molding is carried out on the inner portion of the mold cavity 5 through the injection molding opening 9, after injection molding in the mold cavity 5 is completed, cold water is injected through the water inlet and then flows in the refrigerant pipe 20, heat on the fixed mold 1 is taken away in the process, the temperature of the fixed mold is rapidly reduced, the cold water is discharged from the water outlet 4 after taking away the heat, the temperature of the fixed mold 1 is rapidly reduced by utilizing the water cooling effect, the product molding speed is accelerated, after a product is molded, the movable mold 8 moves upwards, then the movable plate 10 is pushed upwards under the elastic action of the spring 17 on the surface of the spring rod 16, and then the ejector pin 12 moves upwards to eject the product molded in the mold cavity 5 through the reserved hole two 6, so that the product is successfully demolded.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides an injection mold, includes cover half (1), movable mould (8), fly leaf (10) and base (14), its characterized in that: the improved structure is characterized in that a first reserved hole (2) is formed in the four corners of the top end of the fixed die (1), a water inlet (3) is communicated with one side of the front end of the fixed die (1), a water outlet (4) is communicated with the other side of the front end of the fixed die (1), a die cavity (5) is arranged in the middle of the top end of the fixed die (1), a plurality of second reserved holes (6) are formed in the top end of the die cavity (5), two first screw holes (7) are formed in the left end and the right end of the fixed die (1), a refrigerant pipe (20) is arranged in the fixed die (1), one end of the refrigerant pipe (20) is communicated with the water inlet (3), the other end of the refrigerant pipe (20) is communicated with the water outlet (4), an injection molding port (9) is formed in the middle of the top end of the movable die (8), movable columns (11) are fixedly connected with the four corners of the top end of the movable plate (10), a first reserved hole (2) is formed in the middle of the outer wall of the movable column (11), a plurality of ejector pins (12) are fixedly connected with the top ends of the ejector pins (12), two reserved holes (6), two screw holes (18) are formed in the four corners of the top end of the base (14), two screw holes (16) are fixedly connected with screw holes (18), two screw holes (18) are formed in the surface of the base (18), and two screw holes in the base (18), the top end of the bolt (19) is in threaded connection with the first screw hole (7).

2. An injection mold according to claim 1, wherein: the movable mould is characterized in that the movable plate (10) is located above the base (14), the fixed mould (1) is located above the movable plate (10), and the movable mould (8) is located above the fixed mould (1).

3. An injection mould according to claim 1, characterized in that: the refrigerant pipes (20) are arranged in the fixed die (1) in an S shape.

4. An injection mold according to claim 1, wherein: both ends all are provided with two slider (13) about fly leaf (10), base (14) left and right sides inner wall all is provided with two spout (15), spout (15) are sliding connection with slider (13).

5. An injection mold according to claim 1, wherein: one end of the spring (17) is connected with the base (14), and the other end of the spring (17) is connected with the movable column (11).

6. An injection mold according to claim 1, wherein: the four corners of the bottom end of the movable mold (8) are provided with connecting holes, and the upper side of the outer wall of the movable column (11) is positioned in the connecting holes at the bottom end of the movable mold (8).

7. An injection mould according to claim 1, characterized in that: the middle of the bottom end of the movable column (11) is provided with a connecting hole, and the upper side of the outer wall of the spring rod (16) is positioned in the connecting hole in the middle of the bottom end of the movable column (11).