CN218227740U

CN218227740U - Bijection double-mold high-efficiency injection molding structure

Info

Publication number: CN218227740U
Application number: CN202222233897.5U
Authority: CN
Inventors: 李伟增; 叶师炜
Original assignee: Fuzhou Fuguang Rubber And Plastic Co ltd
Current assignee: Fuzhou Fuguang Rubber And Plastic Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-01-06
Anticipated expiration: 2032-08-24

Abstract

The utility model relates to an injection mold technical field especially relates to a high-efficient injection structure of bijection bimodulus, including conveyer pipe, fixed mould, hydraulic stem, movable mould, extraction pipe and kicking block, fixed mould upper end is provided with movable mould, the movable mould upper end is provided with the hydraulic stem, the hydraulic stem both sides are provided with first injection tube and second injection tube, the inside mounting groove of having seted up of fixed mould, the inside kicking block that is provided with of mounting groove, the kicking block lower extreme is provided with the spring, the inside runner of having seted up of fixed mould, fixed mould both sides are provided with conveyer pipe and extraction pipe, the conveyer pipe is provided with electromagnetic sliding block with extraction pipe lower extreme, electromagnetic sliding block lower extreme is provided with the guide rail. The utility model discloses have quick refrigerated function, behind the inside coolant medium of carrying of runner, the cold volume exchange is realized to the liquid material for the cooling of liquid material improves drawing of patterns efficiency and production efficiency, has solved current bijection bimodulus injection mold and has not possessed quick refrigerated function.

Description

Bijection double-mold high-efficiency injection molding structure

Technical Field

The utility model relates to an injection mold technical field especially relates to a high-efficient injection structure of bijection bimodulus.

Background

The plastic injection circulation is utilized twice, plastic raw materials with different materials or different colors are combined to form a single product, namely, the double injection molding is adopted, the post-process of the molded product is simplified, the production yield is improved, and the service life of the double injection finished product is longer compared with products such as spray painting thunder carving or IMR.

Through retrieval, patent publication No. CN212472191U discloses a double-injection-mold rotating-structure optimizing mold, which comprises a fixed mold bottom plate, a fixed mold plate, a movable mold plate, square iron, a movable mold bottom plate, a first hot injection nozzle, a second hot injection nozzle, a guide seat, two drag hooks, two pull rods, two slide blocks and two oil cylinders; the first hot nozzle and the second hot nozzle are fixedly installed on the fixed die plate, the guide seat is fixed in the movable die plate, the draw hook is connected in the guide groove of the guide seat in a sliding mode and is connected with two oil cylinder piston rods, the oil cylinders are fixed on the movable die plate, the sliding block is movably sleeved in the movable die plate, the bottom surface of the sliding block is abutted against the top surface of the draw hook in an inclined plane matching mode, and the top surfaces of the two sliding blocks extend into the first cavity and the second cavity respectively. Because the utility model discloses make overall structure more succinct stable at the cover half than the slider design with the slider design at the movable mould, can reciprocate and be fit for the compound gluey position of shaping, the space that the structure occupy is less, though make overall structure more succinct stable at the cover half than the slider design at the movable mould with the slider design among the prior art CN212472191U in use, can reciprocate and be fit for the compound gluey position of shaping, the space that the structure occupies is less, the drag hook design becomes "Z" font, make drag hook bottom surface and medial surface can cooperate and fix a position with the guide holder, drag hook top inclined plane can press the slider with the slider cooperation and play the effect of drag hook sand grip, reach a thing multi-purpose, accurate complex effect.

But has the following defects: the existing double-injection double-mold injection mold does not have a quick cooling function, liquid materials in the mold need to be cooled and shaped, and the natural cooling efficiency is low, so that the mold opening time of the mold is prolonged, the production efficiency is reduced, and in view of the above, a double-injection double-mold efficient injection structure is provided, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient injection structure of bijection bimodulus to the problem that exists among the background art.

The technical scheme of the utility model: the utility model provides a high-efficient injection structure of bijection bimodulus, includes conveyer pipe, fixed mould, hydraulic stem, movable mould, extraction pipe and kicking block, the fixed mould upper end is provided with movable mould, the movable mould upper end is provided with the hydraulic stem, the hydraulic stem both sides are provided with first injection tube and second injection tube respectively, first injection tube and second injection tube lower extreme all run through movable mould, the inside mounting groove of seting up symmetric distribution of fixed mould, the inside kicking block that is provided with of mounting groove, the kicking block lower extreme is provided with the spring, the inside runner of having seted up of fixed mould, the fixed mould both sides are provided with conveyer pipe and extraction pipe respectively, conveyer pipe and extraction pipe lower extreme all are provided with the electromagnetism slider, electromagnetism slider lower extreme all is provided with the guide rail.

When a high-efficient injection structure of bijection bimodulus in this scheme of use, the movable mould passes through hydraulic stem function decline, the locating piece is pegged graft inside the constant head tank, movable mould and fixed mould are laminated each other, first injection tube and second injection tube are respectively to the inside injection material of die cavity, electromagnetic sliding block slides on the guide rail upper end this moment, conveyer pipe transport cooling medium enters into the inside runner of fixed mould, cooling medium more needs to choose for use, cooling medium carries out cold volume to the liquid material of fixed mould and movable mould inside and hands over, after the cooling, close conveyer pipe inside valve, open the inside valve of extraction pipe, extract to the inside cooling medium of runner, avoid the leakage of cooling medium, accelerate the cooling of liquid material, the stock realizes rapid prototyping, the movable mould passes through the hydraulic stem lifting, receive the extrusion that the ejecting piece loses the extrusion of movable mould this moment, the spring promotes the ejecting piece through self elasticity and shifts out the mounting groove, jack-up the stock, realize the automatic drawing of stock.

Preferably, the outer walls of the first injection cylinder and the second injection cylinder are sleeved with mounting plates, and the mounting plates are sleeved on the outer wall of the hydraulic rod. First injection cylinder and second injection cylinder distribute the different liquid materials of injection, and it is fixed to first injection cylinder and second injection cylinder through the mounting panel, and hydraulic stem synchronous movement is followed in first injection cylinder and second injection cylinder realization.

Preferably, the lower end of the movable mold is provided with positioning blocks which are symmetrically distributed, the upper end of the fixed mold is internally provided with positioning grooves which are symmetrically distributed, and the positioning blocks correspond to the positioning grooves. The setting element of kicking block when moving mould longitudinal movement and fixed mould butt joint, the locating piece is pegged graft inside the constant head tank, ensures moving mould and fixed mould's effective butt joint.

Preferably, valves are arranged in the conveying pipe and the extracting pipe. The valve controls the opening and closing of the conveying pipe and the pumping pipe.

Preferably, the electromagnetic slider is slidably mounted with the guide rail. The electromagnetic slider realizes the sliding on the upper end of the guide rail.

Preferably, the lower end of the spring is connected with the inner wall of the lower end of the mounting groove. Elastic mounting is realized inside the mounting groove by the kicking block.

Preferably, sealing gaskets are arranged inside the connecting opening of the flow channel. When the conveying pipe and the extraction pipe are spliced with the openings at the two ends of the flow channel, the sealing gasket ensures the sealing performance of the openings.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. the device utilizes the force channel in the movable mould, the conveying pipe and the extraction pipe slide on the guide rail through the electromagnetic slide block, so that the cooling medium is conveyed to the interior of the flow channel, the cooling medium cools the movable mould, the heat in the mould cavity is absorbed, the rapid cooling and shaping of liquid materials are accelerated, the mould opening time of the movable mould is shortened, and the production efficiency is improved;

2. when the ejector block arranged by the device lifts the movable mould, the ejector block and the spring lose the extrusion of the movable mould, the stress is finished, the spring pushes the ejector block to lift, the blank is jacked, and the quick demoulding of the blank is realized.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

fig. 2 is a schematic view of the main sectional enlarged structure of the top block in fig. 1 of the present invention.

Reference numerals:

1. a valve; 2. a delivery pipe; 3. a guide rail; 4. an electromagnetic slider; 5. fixing a mold; 6. a first syringe; 7. a flow channel; 8. a hydraulic rod; 9. moving the mold; 10. a second injection tube; 11. mounting a plate; 12. an extraction pipe; 13. positioning blocks; 14. positioning a groove; 15. a gasket; 16. a spring; 17. mounting grooves; 18. and (7) a top block.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.

The first embodiment is as follows:

as shown in fig. 1 and 2, the utility model provides a high-efficient injection structure of bijection bimodulus, including conveyer pipe 2, decide mould 5, hydraulic stem 8, move mould 9, extraction tube 12 and kicking block 18, decide mould 5 upper end and be provided with move mould 9, move mould 9 upper end and be provided with hydraulic stem 8, hydraulic stem 8 both sides are provided with first injection tube 6 and second injection tube 10 respectively, mounting panel 11 has all been cup jointed to first injection tube 6 and second injection tube 10 outer wall, mounting panel 11 cup joints in hydraulic stem 8 outer wall, first injection tube 6 and second injection tube 10 lower extreme all run through move mould 9, move mould 9 lower extreme and be provided with symmetric distribution's locating piece 13, the inside constant head tank 14 who offers symmetric distribution in the upper end of deciding mould 5, locating piece 13 is corresponding with constant head tank 14, the inside runner 7 of having seted up of deciding mould 5, the inside sealed pad 15 that all is provided with of runner 7 connection opening part, decide mould 5 both sides respectively conveyer pipe is provided with 2 and extraction tube 12, conveyer pipe 2 and extraction tube 12 inside all is provided with valve 1, conveyer pipe 2 and extraction tube 12 lower extreme all are provided with electromagnetic slider 4, electromagnetic slider 4 lower extreme all is provided with electromagnetic slide guide rail 3, electromagnetic slide installation guide rail 4 and electromagnetic guide rail 3.

In this embodiment: the operation of hydraulic stem 8 drives movable mould 9 to descend, locating piece 13 is pegged graft inside constant head tank 14, movable mould 9 laminates with fixed mould 5 each other, first injection tube 6 and second injection tube 10 are respectively to the inside injection material of die cavity, electromagnetic slide block 4 slides on guide rail 3 upper end this moment, conveyer pipe 2 all is provided with the hose with the one end of extraction pipe 12, make the effective removal of conveyer pipe 2 and extraction pipe 12, extrusion sealing gasket 15 when conveyer pipe 2 and extraction pipe 12 peg graft with runner 7 opening part, guarantee the leakproofness when conveyer pipe 2 and extraction pipe 12 and runner 7 both ends opening part are laminated, conveyer pipe 2 carries cooling medium and enters into runner 7 inside fixed mould 5, cooling medium more needs to choose for use, cooling medium carries out cold volume to the liquid material of fixed mould 5 and movable mould 9 inside, after the cooling, close conveyer pipe 2 inside valve 1, open extraction pipe 12 inside valve 1, extract the inside cooling medium of runner, avoid the leakage of cooling medium, accelerate the cooling of liquid material, the quick shaping of stock realization, the die sinking time of stock has been reduced.

Example two:

as shown in fig. 1 and fig. 2, the utility model provides a high-efficient injection structure of bijection bimodulus compares in embodiment one, and this embodiment still includes: the inside mounting groove 17 of seting up the symmetric distribution of decide mould 5, the inside kicking block 18 that is provided with of mounting

groove

17, 18 lower extremes of kicking block are provided with spring 16, and the lower extreme of spring 16 is connected with mounting groove 17 lower extreme inner wall.

In this embodiment, the movable mold 9 is lifted by the hydraulic rod 8, the ejection block 18 subjected to extrusion loses the extrusion of the movable mold 9, the spring 16 pushes the ejection block 18 to move out of the installation groove 17 through the elasticity of the spring, and the blank is ejected, so that the automatic demolding of the blank inside the fixed mold 5 is realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high-efficient injection structure of bijection bimodulus, includes conveyer pipe (2), fixed mould (5), hydraulic stem (8), movable mould (9), extraction tube (12) and kicking block (18), its characterized in that: the injection molding machine is characterized in that a movable mold (9) is arranged at the upper end of the fixed mold (5), a hydraulic rod (8) is arranged at the upper end of the movable mold (9), first injection tubes (6) and second injection tubes (10) are respectively arranged on two sides of the hydraulic rod (8), the movable mold (9) is penetrated by the lower ends of the first injection tubes (6) and the second injection tubes (10), symmetrically distributed mounting grooves (17) are formed in the fixed mold (5), ejector blocks (18) are arranged in the mounting grooves (17), springs (16) are arranged at the lower ends of the ejector blocks (18), runners (7) are formed in the fixed mold (5), conveying pipes (2) and extracting pipes (12) are respectively arranged on two sides of the fixed mold (5), electromagnetic sliders (4) are respectively arranged at the lower ends of the conveying pipes (2) and the extracting pipes (12), and guide rails (3) are respectively arranged at the lower ends of the electromagnetic sliders (4).

2. A two-shot, two-mold, high efficiency injection molding structure as claimed in claim 1, wherein: first injection cylinder (6) and second injection cylinder (10) outer wall all cup jointed mounting panel (11), mounting panel (11) cup joint in hydraulic stem (8) outer wall.

3. A two-shot, two-mold, high efficiency injection molding structure as claimed in claim 1, wherein: the lower end of the movable mold (9) is provided with symmetrically distributed positioning blocks (13), symmetrically distributed positioning grooves (14) are formed in the upper end of the fixed mold (5), and the positioning blocks (13) correspond to the positioning grooves (14).

4. A two-shot, two-mold, high efficiency injection molding structure as claimed in claim 1, wherein: the conveying pipe (2) and the extracting pipe (12) are internally provided with valves (1).

5. A two-shot, two-mold, high efficiency injection molding structure as claimed in claim 1, wherein: the electromagnetic slide block (4) is slidably mounted with the guide rail (3).

6. A two-shot, two-mold, high efficiency injection molding structure as claimed in claim 1, wherein: the lower end of the spring (16) is connected with the inner wall of the lower end of the mounting groove (17).

7. The structure of claim 1, wherein the structure comprises: and sealing gaskets (15) are arranged inside the connecting openings of the flow channels (7).