CN220826272U - Limiting and demolding device for injection molding die carrier - Google Patents

Abstract

The utility model discloses a limiting and demolding device for an injection molding die carrier, which relates to the technical field of demolding devices and aims to solve the technical problem that the limiting and demolding device for the injection molding die carrier cannot automatically open and close dies in the prior art; the injection molding die set limiting and demolding device comprises an upper die set and a lower die set, wherein a demolding cavity is formed in the upper part of the lower die set, a push plate is arranged in the demolding cavity, a limiting rod is connected to the top end of the push plate, a limiting hole is formed in the top end of the lower die set, the limiting rod is fixedly connected with the bottom surface of the upper die set, a pressurizing cavity is formed in the lower die set, one side of the demolding cavity is connected with the pressurizing cavity through a pressurizing pipeline, the bottom end of the demolding cavity is connected with the pressurizing cavity through a demolding pipeline, a first electric valve is arranged on the pressurizing pipeline, and a second electric valve is arranged on the demolding pipeline; the injection molding die carrier limiting and demolding device can realize automatic die opening and closing through the cooperation of the pressurizing pipeline and the demolding pipeline.

Description

Limiting and demolding device for injection molding die carrier

Technical Field

The utility model belongs to the technical field of demolding devices, and particularly relates to a limiting demolding device for an injection molding die carrier.

Background

The injection molding die carrier comprises an upper die carrier and a lower die carrier, the heated and melted raw materials enter the die cavity, after cooling and solidification, a formed product is obtained, the existing plastic injection molding workpiece has the problem of poor cooling effect in use, a large amount of time is needed for cooling and radiating plastic, the efficiency of plastic injection molding production is reduced, the existing injection molding die carrier does not have an ejection molding workpiece, the molding workpiece is easy to adhere to the inner wall, and the taking out is inconvenient.

At present, the utility model patent with the patent number of CN216373136U discloses an injection mold frame demolding device, which can realize the effect of automatically demolding a workpiece, replace the existing manual demolding mode, improve the efficiency of the device, realize the aim of automatically cleaning the mold frame and improve the practicability of the device; but it cannot realize automatic mold opening and closing.

Disclosure of utility model

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a limiting and demolding device for an injection molding die carrier, which aims to solve the technical problem that automatic die opening and closing cannot be realized in the prior art.

(2) Technical proposal

In order to solve the technical problems, the utility model provides the limiting demolding device for the injection molding die set, which comprises an upper die set and a lower die set, wherein a demolding cavity is formed in the upper part of the lower die set, the demolding cavities are uniformly distributed in multiple groups, push plates are arranged in the demolding cavities in multiple groups, the top ends of the push plates are connected with limiting rods, multiple groups of limiting holes are formed in the top end of the lower die set, the limiting rods respectively penetrate through the multiple groups of limiting holes and are fixedly connected with the bottom surface of the upper die set, a pressurizing cavity is arranged in the lower die set, one sides of the multiple groups of demolding cavities are connected with the pressurizing cavity through a pressurizing pipeline, the bottom ends of the multiple groups of demolding cavities are connected with the pressurizing cavity through demolding pipelines, first electric valves are arranged on the pressurizing pipelines, and second electric valves are arranged on the demolding pipelines.

When the injection molding die set limiting and demolding device of the technical scheme is used, pressure is injected into the pressurizing cavity, so that the pressurizing pipeline and the demolding pipeline are utilized to inject pressure into the demolding cavity, when the first electric valve is closed and the second electric valve is opened, the demolding cavity applies pressure to the bottom surface of the pushing plate, the upper die set is separated from the lower die set, when the first electric valve is opened and the second electric valve is closed, the demolding cavity applies pressure to the top surface of the pushing plate, the upper die set and the lower die set are sealed and pressed, and automatic die closing and die opening of the injection molding die are realized.

Further, the top of lower die carrier is provided with multiunit buffer tube, multiunit buffer tube and multiunit the spacing hole one-to-one, and multiunit buffer tube set up in the multiunit respectively the top of spacing hole, and multiunit the gag lever post runs through the multiunit respectively the buffer tube, and multiunit the gag lever post is located all be provided with the buffer plate on the inside part of buffer tube, and multiunit the top surface of buffer tube all is provided with the venthole, and multiunit the diameter of venthole is five millimeters, just set up the mounting groove that multiunit and multiunit buffer tube correspond on the bottom surface of going up the die carrier, when using, utilize multiunit buffer tube and venthole, can make when the gag lever post rises, because the diameter of venthole is less, can smooth removal when the gag lever post drives the buffer plate slowly rising, when the gag lever post drives the buffer plate and accelerates suddenly, can utilize air pressure to reduce the removal speed of gag lever post, prevent that the device from receiving the impact and damaging.

Further, the top of lower die carrier has been seted up and has been formed the chamber, the inside of lower die carrier is provided with ejecting hole, just ejecting hole's inside is provided with the ejector pin, just ejecting hole's below is provided with ejecting chamber, just the one end of ejector pin set up in ejecting chamber's inside, just the ejector pin is located ejecting intracavity portion is provided with the closing plate, just ejecting chamber with the pressurization chamber passes through ejecting pipe connection, just be provided with the third electric valve on the ejection pipe, just ejecting intracavity portion is provided with reset spring, just reset spring's one end with the top fixed connection of closing plate, reset spring's the other end with ejecting chamber is connected, when using, utilize the pressurization chamber to apply pressure to ejecting intracavity to utilize the closing plate to drive ejector pin upwards to push out, thereby utilize the ejector pin to realize automatic drawing of patterns with forming intracavity portion's mould.

Further, the injection molding machine further comprises a side plate, the side plate is arranged on one side of the lower die frame, an electric telescopic rod is arranged on one side of the side plate, which is close to the lower die frame, a pushing plate is arranged on one end of the electric telescopic rod, which is close to the lower die frame, the horizontal plane where the bottom surface of the pushing plate is located coincides with the horizontal plane where the top surface of the lower die frame is located, and when the injection molding machine is used, the electric telescopic rod is used for driving the pushing plate to move, so that an injection molding piece fixed by an ejector rod is pushed, and the injection molding piece is pushed out between the upper die frame and the lower die frame.

Further, the lower die carrier is kept away from one side of curb plate is provided with the slip table, just the cross section of slip table is triangle-shaped structure, the slip table with lower die carrier fixed connection, the slip table is kept away from one side of lower die carrier is provided with the bin, the horizontal plane at the bottom surface place of slip table with the horizontal plane coincidence at the top surface place of bin, thereby when using, thereby utilize triangle-shaped structure's slip table can prevent that the injection molding from dropping suddenly when leaving lower die carrier and causing the damage, utilize the bin can store the injection molding.

Further, the below of going up the die carrier is provided with the core, the core with go up die carrier fixed connection, the inside of going up the die carrier is provided with the chamber of moulding plastics, just the chamber of moulding plastics extends to the bottom surface of core, just one of the chamber of moulding plastics extends to go up the top of die carrier, when using, utilize the shape of core and formation chamber formation mould to mould plastics and form the injection molding, utilize the chamber of moulding plastics can be to the plastics of formation intracavity portion injection fusion, in order to accomplish the injection molding.

Further, still include the shower nozzle, the shower nozzle set up in the inside of lower die carrier, the seal groove has been seted up to one side of formation chamber, just the bottom surface of core be provided with the baffle that corresponds with the seal groove, the shower nozzle set up in the inside of seal groove, just the shower nozzle has the holding vessel through release agent pipe connection, just be provided with the force (forcing) pump on the release agent pipeline, when using, utilize the force (forcing) pump can spout the release agent of holding vessel internal storage to form the intracavity portion, and utilize baffle and seal groove can hide the shower nozzle when the compound die, do not influence the shape of injection molding.

(3) Advantageous effects

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

1. According to the injection molding die set limiting and demolding device, pressure is injected into the pressurizing cavity, so that the pressurizing pipeline and the demolding pipeline are utilized to inject pressure into the demolding cavity, when the first electric valve is closed and the second electric valve is opened, the demolding cavity applies pressure to the bottom surface of the pushing plate to separate the upper die set from the lower die set, when the first electric valve is opened and the second electric valve is closed, the demolding cavity applies pressure to the top surface of the pushing plate to seal and tightly press the upper die set and the lower die set, and automatic die assembly and die opening of the injection molding die are realized;

2. The limiting and demolding device for the injection molding die carrier utilizes the plurality of groups of the buffer cylinders and the air outlet holes, so that when the limiting rod ascends, the air outlet holes can smoothly move when the limiting rod drives the buffer plate to slowly ascend, and when the limiting rod drives the buffer plate to suddenly accelerate, the moving speed of the limiting rod can be reduced by utilizing air pressure, and the device is prevented from being damaged by impact.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the structure of the front face of an embodiment of the present utility model;

FIG. 3 is a schematic view of a cross-section of an embodiment of the present utility model;

fig. 4 is a schematic view of a cross-section of an embodiment of the present utility model.

The marks in the drawings are: 1. a die carrier is arranged; 2. a lower die frame; 3. removing the mold cavity; 4. a push plate; 5. a limiting hole; 6. a limit rod; 7. a pressurized conduit; 8. demolding a pipeline; 9. a pressurized cavity; 10. a first electrically operated valve; 11. a second electrically operated valve; 12. a buffer tube; 13. a buffer plate; 14. an air outlet hole; 15. a mounting groove; 16. forming a cavity; 17. an ejection hole; 18. a push rod; 19. an ejection cavity; 20. a sealing plate; 21. ejecting the pipeline; 22. a third electrically operated valve; 23. a return spring; 24. a side plate; 25. an electric telescopic rod; 26. a pushing plate; 27. a sliding table; 28. a storage tank; 29. a spray head; 30. a mounting groove; 31. a release agent conduit; 32. a pressurizing pump; 33. a storage tank; 34. and a baffle.

Detailed Description

This embodiment is used for spacing shedder of die carrier of moulding plastics, its three-dimensional structure schematic diagram is shown in fig. 1, its positive structure schematic diagram is shown in fig. 2, this spacing shedder of die carrier of moulding plastics includes die carrier 1 and lower die carrier 2, the die cavity 3 has been seted up to the top inside of lower die carrier 2, the die cavity 3 sets up to the multiunit, multiunit die cavity 3 evenly distributed, multiunit die cavity 3 inside all is provided with push pedal 4, multiunit push pedal 4's top all is connected with gag lever post 6, multiunit spacing hole 5 has been seted up on the top of lower die carrier 2, multiunit gag lever post 6 passes multiunit spacing hole 5 and with the bottom surface fixed connection of last die carrier 1 respectively, the inside of lower die carrier 2 is provided with pressurization chamber 9, one side of multiunit die cavity 3 all is connected through pressurization pipeline 7 with pressurization chamber 9, the bottom of multiunit die cavity 3 all is connected through the drawing of patterns pipeline 8, all be provided with first electric valve 10 on the multiunit pressurization pipeline 7, multiunit drawing of patterns pipeline 8 is last all to be provided with second electric valve 11.

Wherein, the top of lower die carrier 2 is provided with multiunit buffer tube 12, multiunit buffer tube 12 and multiunit spacing hole 5 one-to-one, and multiunit buffer tube 12 sets up in multiunit spacing hole 5's top respectively, and multiunit gag lever post 6 runs through multiunit buffer tube 12 respectively, and multiunit gag lever post 6 all is provided with buffer plate 13 in the inside part of buffer tube 12, and multiunit buffer tube 12's top surface all is provided with venthole 14, and multiunit venthole 14's diameter is five millimeters, and has seted up multiunit and multiunit buffer tube 12 corresponding mounting groove 15 on the bottom surface of upper die carrier 1.

The schematic cross-sectional structure of the limiting demolding device for the injection molding die carrier is shown in fig. 3, the schematic cross-sectional structure is shown in fig. 4, the top end of the lower die carrier 2 is provided with a forming cavity 16, the inside of the lower die carrier 2 is provided with an ejection hole 17, the inside of the ejection hole 17 is provided with a push rod 18, the lower side of the ejection hole 17 is provided with an ejection cavity 19, one end of the push rod 18 is arranged in the ejection cavity 19, the part of the push rod 18 positioned in the ejection cavity 19 is provided with a sealing plate 20, the ejection cavity 19 is connected with the pressurizing cavity 9 through an ejection pipeline 21, the ejection pipeline 21 is provided with a third electric valve 22, the inside of the ejection cavity 19 is provided with a reset spring 23, one end of the reset spring 23 is fixedly connected with the top end of the sealing plate 20, the other end of the reset spring 23 is connected with the ejection cavity 19, the side plate 24 is further provided with one side plate 24, the side plate 24 is arranged on one side of the lower die carrier 2, one side of the side plate 24 is provided with an electric telescopic rod 25, one side of the electric telescopic rod 25 is arranged on one side of the lower die carrier 2, one end of the push plate 26 is arranged on the side of the push plate, the top surface of the push plate 20 is arranged on the side of the lower die carrier, the top surface of the push plate 18 is arranged on the side of the top surface of the push plate 20 is arranged on the side of the lower die carrier 2, the top surface 27 is arranged on the side of the top surface 27, the top surface of the top surface 27 is far away from the lower die carrier 2, and the top surface 27 is arranged on the side 27 is far from the side of the side 27, which is far from the side 27, and is far from the side of the upper surface 27, and is far from the side, and is arranged.

Simultaneously, the below of going up die carrier 1 is provided with the core, core and last die carrier 1 fixed connection, the inside of going up die carrier 1 is provided with the chamber of moulding plastics, and the chamber of moulding plastics extends to the bottom surface of core, and one of the chamber of moulding plastics extends to the top of going up die carrier 1, still include shower nozzle 29, shower nozzle 29 sets up in the inside of lower die carrier 2, seal groove 30 has been seted up to one side of formation chamber 16, and the bottom surface of core is provided with the baffle 34 that corresponds with seal groove 30, shower nozzle 29 sets up in the inside of seal groove 30, and shower nozzle 29 is connected with holding vessel 33 through release agent pipeline 31, and be provided with force (forcing) pump 32 on the release agent pipeline 31, when using, utilize force (forcing) pump 32 can spout the release agent of holding vessel 33 in the formation chamber 16 inside, and utilize baffle 34 and seal groove 30 can hide shower nozzle 29 when the compound die, do not influence the shape of moulding plastics.

When the injection molding die set limiting and demolding device of the technical scheme is used, pressure is injected into the pressurizing cavity 9, so that the pressurizing pipeline 7 and the demolding pipeline 8 are utilized to inject pressure into the demolding cavity 3, when the first electric valve 10 is closed and the second electric valve 11 is opened, the demolding cavity 3 applies pressure to the bottom surface of the pushing plate 4 to separate the upper die set 1 from the lower die set 2, when the first electric valve 10 is opened and the second electric valve 11 is closed, the demolding cavity 3 applies pressure to the top surface of the pushing plate 4 to seal and tightly press the upper die set 1 and the lower die set 2, the automatic die assembly and the die opening of the injection molding die are realized, the plurality of groups of buffer cylinders 12 and the air outlet holes 14 are utilized, so that when the limiting rod 6 ascends, the diameter of the air outlet holes 14 is smaller, when the limiting rod 6 drives the buffer plate 13 to slowly ascend, the limiting rod 6 drives the buffer plate 13 to smoothly move, and when the limiting rod 6 drives the buffer plate 13 to suddenly accelerate, the moving speed of the limiting rod 6 can be reduced by utilizing air pressure to prevent the device from being damaged by impact, the pressurizing cavity 9 is utilized to apply pressure to the ejection cavity 19, the sealing plate 20 is utilized to drive the ejector rod 18 to move upwards, the ejector rod 18 is utilized to eject the die inside the forming cavity 16, automatic demolding is realized, the electric telescopic rod 25 is utilized to drive the pushing plate 26 to move, the injection molding piece fixed by the ejector rod 18 is pushed to be pushed between the upper die frame 1 and the lower die frame 2, the sliding table 27 with a triangular structure can prevent the injection molding piece from suddenly falling when leaving the lower die frame 2 to cause damage, the storage box 28 can be utilized to store the injection molding piece, the mold core and the forming cavity 16 form the shape of the die, the injection molding piece is formed by injection molding, the injection molding cavity can be utilized to inject molten plastic inside the forming cavity 16, so as to complete injection molding, the release agent stored in the reservoir tank 33 can be sprayed into the forming chamber 16 by the pressurizing pump 32, and the nozzle 29 can be hidden by the baffle 34 and the seal groove 30 at the time of mold closing, so that the shape of the injection molded article is not affected.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims (7)

1. The injection molding die set limiting and demolding device comprises an upper die set (1) and a lower die set (2); the plastic demolding device is characterized in that a demolding cavity (3) is formed in the upper portion of the lower mold frame (2), the demolding cavities (3) are arranged into a plurality of groups, the demolding cavities (3) are uniformly distributed, the pushing plates (4) are arranged in the demolding cavities (3) in the plurality of groups, the top ends of the pushing plates (4) are connected with limiting rods (6), the top ends of the lower mold frame (2) are provided with a plurality of groups of limiting holes (5), the limiting rods (6) penetrate through the plurality of groups of limiting holes (5) respectively and are fixedly connected with the bottom surface of the upper mold frame (1), the pressurizing cavities (9) are arranged in the lower mold frame (2), one sides of the demolding cavities (3) are connected with the pressurizing cavities (9) through pressurizing pipelines (7), the bottom ends of the demolding cavities (3) are connected with the pressurizing cavities (9) through demolding pipelines (8), the pressurizing pipelines (7) are provided with first electric valves (10), and the demolding pipelines (8) are provided with second electric valves (11).

2. The injection molding die set limiting and demolding device according to claim 1, wherein a plurality of groups of buffer cylinders (12) are arranged above the lower die set (2), a plurality of groups of buffer cylinders (12) are in one-to-one correspondence with a plurality of groups of limiting holes (5), the buffer cylinders (12) are respectively arranged above the limiting holes (5), the limiting rods (6) penetrate through a plurality of groups of the buffer cylinders (12), the limiting rods (6) are positioned in the buffer cylinders (12), buffer plates (13) are arranged on the parts, inside the buffer cylinders (12), of the plurality of groups of the limiting rods (6), air outlet holes (14) are formed in the top surfaces of the buffer cylinders (12), the diameters of the air outlet holes (14) are five millimeters, and a plurality of groups of mounting grooves (15) corresponding to the buffer cylinders (12) are formed in the bottom surface of the upper die set (1).

3. The injection molding die set limit demolding device according to claim 2, characterized in that a forming cavity (16) is formed at the top end of the lower die set (2), an ejection hole (17) is formed in the lower die set (2), an ejector rod (18) is arranged in the ejection hole (17), an ejection cavity (19) is formed below the ejection hole (17), one end of the ejector rod (18) is arranged in the ejection cavity (19), a sealing plate (20) is arranged on the part of the ejector rod (18) located in the ejection cavity (19), the ejection cavity (19) is connected with the pressurizing cavity (9) through an ejection pipeline (21), a third electric valve (22) is arranged on the ejection pipeline (21), a reset spring (23) is arranged in the ejection cavity (19), one end of the reset spring (23) is fixedly connected with the top end of the sealing plate (20), and the other end of the reset spring (23) is connected with the ejection cavity (19).

4. A limiting demolding device for injection molding mold frames according to claim 3, further comprising a side plate (24), wherein the side plate (24) is arranged on one side of the lower mold frame (2), an electric telescopic rod (25) is arranged on one side of the side plate (24) close to the lower mold frame (2), a pushing plate (26) is arranged on one end of the electric telescopic rod (25) close to the lower mold frame (2), and the horizontal plane where the bottom surface of the pushing plate (26) is located coincides with the horizontal plane where the top surface of the lower mold frame (2) is located.

5. The injection molding die set limiting and demolding device according to claim 4, wherein a sliding table (27) is arranged on one side, far away from the side plate (24), of the lower die set (2), the cross section of the sliding table (27) is of a triangular structure, the sliding table (27) is fixedly connected with the lower die set (2), a storage box (28) is arranged on one side, far away from the lower die set (2), of the sliding table (27), and the horizontal plane where the bottom surface of the sliding table (27) is located coincides with the horizontal plane where the top surface of the storage box (28) is located.

6. The injection molding die set limiting and demolding device according to claim 5, wherein a core is arranged below the upper die set (1), the core is fixedly connected with the upper die set (1), an injection molding cavity is arranged in the upper die set (1), the injection molding cavity extends to the bottom surface of the core, and one of the injection molding cavities extends to the top end of the upper die set (1).

7. The injection molding die set limiting and demolding device according to claim 6, further comprising a nozzle (29), wherein the nozzle (29) is arranged in the lower die set (2), a sealing groove (30) is formed in one side of the forming cavity (16), a baffle (34) corresponding to the sealing groove (30) is arranged on the bottom surface of the core, the nozzle (29) is arranged in the sealing groove (30), the nozzle (29) is connected with a storage tank (33) through a demolding agent pipeline (31), and a pressurizing pump (32) is arranged on the demolding agent pipeline (31).