CN212498763U - Novel injection mold - Google Patents

Novel injection mold Download PDF

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Publication number
CN212498763U
CN212498763U CN202021149016.6U CN202021149016U CN212498763U CN 212498763 U CN212498763 U CN 212498763U CN 202021149016 U CN202021149016 U CN 202021149016U CN 212498763 U CN212498763 U CN 212498763U
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China
Prior art keywords
plate
mold
supporting plate
die
injection mold
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CN202021149016.6U
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Chinese (zh)
Inventor
李越星
陈海波
周俊杰
沈森棋
蔡伟
王鑫
姜力强
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Hangzhou Qianshi Technology Co ltd
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Hangzhou Qianshi Technology Co ltd
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Priority to CN202021149016.6U priority Critical patent/CN212498763U/en
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Abstract

The utility model discloses a novel injection mold, which comprises an upper mold, a lower mold, an upper supporting plate and a lower supporting plate, wherein the upper supporting plate is horizontally arranged above the upper mold, the lower mold is arranged below the upper mold in a matching way, the lower supporting plate is correspondingly arranged below the lower mold, and the novel injection mold also comprises a cooling pipe; the four top corners of the upper supporting plate are vertically provided with a first guide rod; the top end of the first guide rod is fixedly connected with the upper supporting plate, and the bottom end of the first guide rod is movably inserted into the sleeve; the bottom end of the upper supporting plate is connected with the upper die through a lifting cylinder; the middle part of the upper die is provided with an injection molding opening. The middle part of the lower die is provided with a groove; a lower die cavity with a spiral cooling pipe wound on the surface is arranged in the groove; a die cavity is formed between the lower die cavity and the upper die; the right side of the cooling pipe is connected with the water tank through a water inlet pipe and a water outlet pipe respectively, and the upper end of the left side of the cooling pipe is connected with an air inlet pipe. The utility model discloses not only can prevent corrosion in the injection mold, prolong life, can carry out rapid prototyping moreover, improve shaping speed.

Description

Novel injection mold
Technical Field
The utility model relates to an injection mold especially relates to a novel injection mold.
Background
The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.
The existing injection mold has more defects, for example, in order to accelerate the forming speed in the mold cavity, the mold cavity is often cooled by water, after cooling, some water is remained in a water channel in the mold, the interior of the mold is easily rusted for a long time, and the service life of the mold is shortened.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a novel injection mold.
In order to solve the technical problem, the utility model discloses a technical scheme is: a novel injection mold comprises an upper mold, a lower mold, an upper support plate and a lower support plate, wherein the upper support plate is horizontally arranged above the upper mold, the lower mold is arranged below the upper mold in a matching manner, the lower support plate is correspondingly arranged below the lower mold, and the novel injection mold also comprises a cooling pipe; the four top corners of the upper supporting plate are vertically provided with a first guide rod; the top end of the first guide rod is fixedly connected with the upper supporting plate, and the bottom end of the first guide rod is movably inserted into the sleeve; the bottom end of the upper supporting plate is connected with the upper die through a lifting cylinder; the middle part of the upper die is provided with an injection molding opening;
a moving plate is horizontally arranged at the bottom of the lower die; a connecting plate is arranged below the moving plate in parallel; the moving plate is connected with the connecting plate through a sleeve; a plurality of telescopic second guide rods are vertically arranged on the bottom surface of the moving plate; a lower supporting plate is arranged below the connecting plate; the lower supporting plate is connected with the lower die through a second guide rod; a plurality of springs are arranged between the lower supporting plate and the connecting plate;
the middle part of the lower die is provided with a groove; a lower die cavity with a spiral cooling pipe wound on the surface is arranged in the groove; a die cavity is formed between the lower die cavity and the upper die; the right side of the cooling pipe is connected with the water tank through a water inlet pipe and a water outlet pipe respectively, and the upper end of the left side of the cooling pipe is connected with an air inlet pipe.
Furthermore, a lifting plate is transversely arranged between the lifting cylinder and the upper die; the lifting plate is connected with a hydraulic rod of the lifting cylinder at the top end, and the middle part of the bottom end is fixedly connected with the upper die; the bottom surface of the upper die is symmetrically provided with sealing gaskets.
Further, the injection molding opening penetrates through the upper mold and the lifting plate upwards in sequence; the outer wall of the injection molding opening is sleeved with a heating sleeve; the upper end of the die cavity is communicated with the injection molding opening.
Furthermore, a clamping groove which is sunken downwards is formed in the surface of the connecting plate; the top of the sleeve is fastened and connected with the movable plate, and the bottom of the sleeve is embedded in the clamping groove on the surface of the connecting plate.
Furthermore, the number of the second guide rods is four, and the four second guide rods are uniformly arranged at the bottom of the moving plate; the connecting plate is provided with a guide hole in a matching way, and the second guide rod penetrates through the guide hole.
Furthermore, a first valve is respectively arranged on the water inlet pipe and the water outlet pipe; the air inlet pipe is provided with a second valve.
Further, a water pump is arranged at the joint of the water inlet pipe and the water tank.
The utility model discloses not only can prevent corrosion in the injection mold, prolong life, can carry out rapid prototyping moreover, improve shaping speed, have extensive suitability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. an upper die; 2. a lower die; 3. an upper support plate; 4. a lower support plate; 5. a lifting cylinder; 6. a lifting plate; 7. a first guide rod; 8. an injection molding port; 9. a groove; 10. a connecting plate; 11. a second guide rod; 12. a spring; 13. a water inlet pipe; 14. a water outlet pipe; 15. an air inlet pipe; 16. a cooling tube; 17. a lower die cavity; 18. a water tank; 19. a water pump; 20. a sleeve; 21. and (5) moving the plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the novel injection mold comprises an upper mold 1, a lower mold 2, an upper support plate 3, a lower support plate 4, an upper support plate 3 horizontally arranged above the upper mold 1, a lower mold 2 arranged below the upper mold in a matching manner, a lower support plate 4 correspondingly arranged below the lower mold 2, and a cooling pipe 16; four top corners of the upper supporting plate 3 are vertically provided with a first guide rod 7; the top ends of the first guide rods 7 are fixedly connected with the upper supporting plate 3, and the bottom ends of the first guide rods are movably inserted into the sleeve 20; the bottom end of the upper supporting plate 3 is connected with the upper die 1 through a lifting cylinder 5; the middle part of the upper die 1 is provided with an injection molding opening 8;
a moving plate 21 is horizontally arranged at the bottom of the lower die 2; a connecting plate 10 is arranged below the moving plate 21 in parallel; the moving plate 21 is connected with the connecting plate 10 through a sleeve 20; a plurality of telescopic second guide rods 11 are vertically arranged on the bottom surface of the moving plate 21; a lower support plate 4 is arranged below the connecting plate 10; the lower supporting plate 4 is connected with the lower die 2 through a second guide rod 11; a plurality of springs 12 are arranged between the lower supporting plate 4 and the connecting plate 10;
the middle part of the lower die 2 is provided with a groove 9; a lower die cavity 17 with a spiral cooling pipe 16 wound on the surface is arranged in the groove 9; a die cavity is formed between the lower die cavity 17 and the upper die 1; the right side of the cooling pipe 16 is connected with a water tank 18 through a water inlet pipe 13 and a water outlet pipe 14, and the upper end of the left side is connected with an air inlet pipe 15.
Two lifting cylinders 5 are provided, and a lifting plate 6 is transversely arranged between the lifting cylinders 5 and the upper die 1; the lifting plate 6 is connected with a hydraulic rod of the lifting cylinder 5 at the top end, and the middle part of the bottom end is fixedly connected with the upper die 1; the bottom surface of the upper die 1 is symmetrically provided with sealing gaskets. The sealing performance of the sealing gasket can be further improved, and the injection molding quality is ensured.
The injection molding opening 8 sequentially penetrates through the upper die 1 and the lifting plate 6 upwards; the outer wall of the injection molding opening 8 is sleeved with a heating sleeve; a spiral electric heating wire is wound in the heating sleeve. The upper end of the mould cavity is communicated with the injection port 8. Go up mould 1 and lower mould 2 through lift cylinder 5 control and carry out the compound die, mould plastics through moulding plastics mouth 8, at the in-process of moulding plastics, electric heating wire in the heating jacket can heat the melting plastics, prevents that the melting plastics from taking place the solidification in advance.
A clamping groove which is sunken downwards is formed in the surface of the connecting plate 10; the top of the sleeve 20 is fastened with the moving plate 21, and the bottom is embedded in the slot on the surface of the connecting plate 10. The clamping grooves on the surface of the connecting plate 10 can fix the sleeve 20 and play a role in positioning, so that the upper die 1 and the lower die 2 are precisely aligned. The matching of the first guide rod 7, the sleeve 20 and the connecting plate 10 clamping groove can ensure the accuracy of the die assembly between the upper die 1 and the lower die 2.
The number of the second guide rods 11 is four, and the four second guide rods are uniformly arranged at the bottom of the moving plate 21; the connecting plate 10 is provided with a guide hole in a matching way, and the second guide rod 11 penetrates through the guide hole. The second guide rod 11 can play a guiding role when the connecting plate 10 moves up and down.
The water inlet pipe 13 and the water outlet pipe 14 are respectively provided with a first valve; the air inlet pipe 15 is provided with a second valve. A water pump 19 is arranged at the joint of the water inlet pipe 13 and the water tank 18. After the completion of moulding plastics, can be through inlet tube 13 and outlet pipe 14 to the cooling tube 16 in continuous let in cold water to lower the temperature of die cavity, improve shaping speed, after the cooling is accomplished, with intake pipe 15 connection air pump, thereby utilize intake pipe 15 to blow off the water in the injection mold, prevent the inside corrosion of injection mold, prolonged life.
The utility model discloses a use does: the lifting air cylinder 5 drives the upper die 1 to move downwards, the lifting plate 6 slides downwards along the first guide rod 7, after the upper die 1 moves to the upper end of the lower die 2 and is matched with the lower die cavity 17, the upper die 1 continues to slide downwards along the lifting plate 6, the lower die 2 applies a downward acting force to the connecting plate 10 through the sleeve 20, the connecting plate 10 slides downwards along the second guide rod 11 until the connecting plate cannot move, after the upper die 1 and the lower die cavity 17 are matched, materials are injected into the die cavity, before the materials are not solidified, cold water is continuously introduced into the cooling pipe 16 through the water inlet pipe 13 and the water outlet pipe 14, so that the temperature of the die cavity is reduced, the forming speed is improved, after the cooling is finished, the air inlet pipe 15 is connected with an air pump, and the water in the injection die; after the material is solidified, the mold is opened, after the upper mold 1 is removed, the force of the upper mold 1 acting on the lower mold 2 and the moving plate 21 disappears, the connecting plate 10 is jacked upwards under the action of the spring 12, the sleeve 20 is jacked upwards by the connecting plate 10, the sleeve 20 is jacked upwards to drive the moving plate 21 to jack the lower mold 2 upwards, and the stress of the whole injection molding part is uniform.
The utility model discloses an inlet tube and outlet pipe constantly let in cold water to the cooling tube to lower the temperature to the die cavity, improve shaping speed, after the cooling is accomplished, utilize the intake pipe to blow off the water in with injection mold, prevent corrosion in the injection mold, prolonged life. In addition, the design structure is simple, the use is convenient, and the injection mold can be widely applied to various injection molds.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a novel injection mold, includes last mould (1), lower mould (2), goes up backup pad (3), bottom suspension fagging (4), the top level of going up mould (1) is provided with backup pad (3), the below matches and is provided with lower mould (2), the below correspondence of lower mould (2) is provided with bottom suspension fagging (4), its characterized in that: it also comprises a cooling tube (16); the four top corners of the upper supporting plate (3) are vertically provided with a first guide rod (7); the top ends of the first guide rods (7) are fixedly connected with the upper supporting plate (3), and the bottom ends of the first guide rods are movably inserted into the sleeve (20); the bottom end of the upper supporting plate (3) is connected with the upper die (1) through a lifting cylinder (5); an injection molding opening (8) is formed in the middle of the upper die (1);
a moving plate (21) is horizontally arranged at the bottom of the lower die (2); a connecting plate (10) is arranged below the moving plate (21) in parallel; the moving plate (21) is connected with the connecting plate (10) through a sleeve (20); a plurality of telescopic second guide rods (11) are vertically arranged on the bottom surface of the moving plate (21); a lower supporting plate (4) is arranged below the connecting plate (10); the lower supporting plate (4) is connected with the lower die (2) through a second guide rod (11); a plurality of springs (12) are arranged between the lower supporting plate (4) and the connecting plate (10);
a groove (9) is formed in the middle of the lower die (2); a lower die cavity (17) with a spiral cooling pipe (16) wound on the surface is arranged in the groove (9); a die cavity is formed between the lower die cavity (17) and the upper die (1); the right side of the cooling pipe (16) is connected with the water tank (18) through a water inlet pipe (13) and a water outlet pipe (14), and the upper end of the left side is connected with an air inlet pipe (15).
2. The new injection mold of claim 1, wherein: a lifting plate (6) is transversely arranged between the lifting cylinder (5) and the upper die (1); the lifting plate (6) is connected with a hydraulic rod of the lifting cylinder (5) at the top end, and the middle part of the bottom end is fixedly connected with the upper die (1); sealing gaskets are symmetrically arranged on the bottom surface of the upper die (1).
3. The new injection mold of claim 2, wherein: the injection molding opening (8) penetrates through the upper mold (1) and the lifting plate (6) upwards in sequence; the outer wall of the injection molding opening (8) is sleeved with a heating sleeve; the upper end of the die cavity is communicated with an injection molding opening (8).
4. A novel injection mold according to claim 3, characterized in that: a clamping groove which is sunken downwards is formed in the surface of the connecting plate (10); the top of the sleeve (20) is fixedly connected with the movable plate (21), and the bottom of the sleeve is embedded in the clamping groove on the surface of the connecting plate (10).
5. The new injection mold of claim 4, wherein: the number of the second guide rods (11) is four, and the four second guide rods are uniformly arranged at the bottom of the moving plate (21); the connecting plate (10) is provided with guide holes in a matching mode, and the second guide rods (11) penetrate through the guide holes.
6. The new injection mold of claim 5, wherein: the water inlet pipe (13) and the water outlet pipe (14) are respectively provided with a first valve; and a second valve is arranged on the air inlet pipe (15).
7. The new injection mold of claim 6, wherein: and a water pump (19) is arranged at the joint of the water inlet pipe (13) and the water tank (18).
CN202021149016.6U 2020-06-19 2020-06-19 Novel injection mold Active CN212498763U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021149016.6U CN212498763U (en) 2020-06-19 2020-06-19 Novel injection mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021149016.6U CN212498763U (en) 2020-06-19 2020-06-19 Novel injection mold

Publications (1)

Publication Number Publication Date
CN212498763U true CN212498763U (en) 2021-02-09

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ID=74389332

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021149016.6U Active CN212498763U (en) 2020-06-19 2020-06-19 Novel injection mold

Country Status (1)

Country Link
CN (1) CN212498763U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113290788A (en) * 2021-05-28 2021-08-24 江苏弘扩信息科技有限公司 Plastic injection mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113290788A (en) * 2021-05-28 2021-08-24 江苏弘扩信息科技有限公司 Plastic injection mold

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