CN218053737U

CN218053737U - Novel double-color hot runner mold

Info

Publication number: CN218053737U
Application number: CN202221675177.8U
Authority: CN
Inventors: 晏国标; 胡运伟
Original assignee: Shenzhen Rizhibang Electronics Co ltd
Current assignee: Shenzhen Rizhibang Electronics Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-16
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a novel double-colored hot runner mold, including movable mould subassembly and quiet mould subassembly, the movable mould subassembly includes first bottom plate, first bottom plate four corners is all opened there is the guiding hole, two first cushions are installed to first bottom plate right-hand member, two the A board is installed jointly to first cushion right-hand member, the pull rod is all installed in A board right-hand member four corners, spacing dish is installed to the pull rod right-hand member, A board right-hand member four corners has all been opened the locating hole, it has the compensation chamber to open at A board right-hand member middle part, it has the die cavity to open the left wall in compensation chamber, quiet mould subassembly includes the second bottom plate. The utility model discloses a set up compensation plate and thimble and accomplish ejecting of product jointly, reduced the probability that the product takes place deformation when ejecting, guaranteed product quality, be used for transporting plastic solution through the heating tube that sets up helical structure, prolonged plastic solution's heat time for plastic granules melts completely, ensures the smooth degree on product surface.

Description

Novel double-color hot runner mold

Technical Field

The utility model relates to an injection mold technical field, in particular to novel double-colored hot runner mold.

Background

Hot runners play a very large role in production molding. The hot runner system is a combination and does not refer to a single product. The hot runner system comprises a nozzle, a temperature controller, a splitter plate and the like, which form the hot runner system together. As a common component of injection molding systems, heat is applied to ensure that the plastic in the runner and sprue remains molten. Because the heating plate and the heating ring are arranged near or in the center of the runner, the whole runner from the nozzle outlet of the injection molding machine to the sprue is in a high-temperature state, so that plastics in the runner are kept molten, the runner is not required to be opened to take out the condensed materials after the machine is stopped, and the runner is only required to be heated to the required temperature when the machine is restarted.

When the appearance of a product is very strict and cannot be used as a pouring gate, the product needs to be reversely opened, the appearance is subjected to back mold, glue is fed from the back of the product, and thus the glue feeding system and the ejection system are on the same side, and the mold is called an inverted mold.

Current double-colored hot runner mold generally adopts the thimble structure ejecting with the product, the thimble generally sets up inside the product, when the product is ejecting, because the inhomogeneous easy deformation that takes place of atress around the product, and then influence the shaping quality of product, and the hot runner among the current double-colored hot runner mold is the linear type structure mostly, the plastic granules time of being heated in the hot runner is shorter, it is incomplete to easily lead to the plastic granules to melt, and then influence the smooth degree of product surface, therefore, we provide a novel double-colored hot runner mold, adopt flip-chip mold structural design.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a novel dual-color hot runner mold, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel double-colored hot runner mold, includes movable mould subassembly and quiet mould subassembly, the movable mould subassembly includes first bottom plate, the guiding hole has all been opened in first bottom plate four corners, two first cushions are installed to first bottom plate right-hand member, two the A board is installed jointly to first cushion right-hand member, the pull rod is all installed in A board right-hand member four corners, spacing dish is installed to the pull rod right-hand member, locating hole has all been opened in A board right-hand member four corners, open at A board right-hand member middle part has the compensation chamber, compensation chamber left side wall is opened there is the die cavity, quiet mould subassembly includes the second bottom plate, the guiding rod is all installed in second bottom plate left end four corners, two second cushions are installed to second bottom plate left end, two the B board is installed jointly to second cushion left end, B board left end mid-mounting has the type piece, type piece left end four corners all is provided with the thimble, type piece left end middle part is provided with two nozzles, the activity of type piece surface has cup jointed the compensation board, the compensation board left end four corners has all opened the trompil.

Preferably, four connecting rods are installed to the compensating plate right-hand member, four the movable frame is installed jointly to the connecting rod right-hand member, movable frame left end and thimble right-hand member fixed connection, the thimble alternates swing joint with the type piece, compensating plate and movable frame synchronous motion drive the thimble through the movable frame and move.

Preferably, four corners of the left end of the compensation plate are provided with through holes.

Preferably, the four corners of the left end of the B plate are respectively provided with a positioning rod, the four positioning rods respectively and movably penetrate through the four through holes, the right end of the B plate is provided with a splitter plate, the right end of the splitter plate is provided with two heating tubes, the two heating tubes are respectively connected with the two nozzles, and the splitter plate is internally provided with heating pieces.

Preferably, the middle part of the heating tube is of a spiral tubular structure, so that the heating time of the plastic solution is prolonged, and the plastic particles are completely melted.

Preferably, the pull rod is movably connected with the pull hole in an inserting manner, the guide rod is movably connected with the guide hole in an inserting manner, and the movable frame is movably connected with the flow distribution plate in an inserting manner.

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

1. the ejection of a product is completed through setting a compensation plate and an ejector pin together, when a mold is closed, a product forming cavity is formed between a mold block and the compensation plate together, plastic solutions with different colors are injected through two heating tubes, the plastic solutions are injected into the product forming cavity through a nozzle to form the product, the product is attached to the outer surface of the mold block, at the moment, the compensation plate is in close contact with the periphery of an opening of the product, a movable mold component is driven to be far away from a static mold component through stroke driving equipment such as a hydraulic cylinder, a plate A in the movable mold component drives a pull rod to move, the pull rod drives a limiting plate to move, after the limiting plate is in contact with the compensation plate, the compensation plate drives the product to be separated from the mold block, the compensation plate drives a movable frame to move through a connecting rod, the movable frame drives the ejector pin to move, the ejector pin enables the inner wall of the product to be separated from the mold block, the ejection of the product is realized through the inner and outer cooperation, the probability of deformation generated when the product is ejected is reduced, and the product quality is ensured;

2. the heating tube with the spiral structure is used for transporting the plastic solution, so that the heating time of the plastic solution is prolonged, plastic particles are completely melted, the smoothness of the surface of a product is ensured, and the practicability is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel double-color hot runner mold of the present invention;

fig. 2 is a schematic view of the overall structure of the novel two-color hot runner mold according to another view angle;

fig. 3 is a schematic view of the overall structure of a movable mold assembly of the novel double-color hot runner mold of the present invention;

fig. 4 is a schematic view of the overall structure of a stationary mold assembly of the novel two-color hot runner mold of the present invention;

fig. 5 is a schematic view of the overall structure of the thimble of the novel double-color hot runner mold of the present invention;

fig. 6 is a schematic view of the overall structure of a nozzle of the novel double-color hot runner mold of the present invention;

fig. 7 is a schematic cross-sectional structure view of a splitter plate of the novel two-color hot runner mold of the present invention;

fig. 8 is the utility model relates to a novel double-colored hot runner mold's heating tube's overall structure schematic diagram.

In the figure: 1. a movable die assembly; 2. a stationary die assembly; 11. a first base plate; 12. a first cushion block; 13. a, a plate; 14. a pull rod; 15. a limiting disc; 16. positioning holes; 17. a compensation chamber; 18. a cavity; 19. a guide hole; 21. a second base plate; 22. a guide bar; 23. a second cushion block; 24. b, plate; 25. molding blocks; 26. a nozzle; 27. a thimble; 28. a compensation plate; 29. hole drawing; 31. a through hole; 41. a connecting rod; 42. a movable frame; 51. positioning a rod; 52. a flow distribution plate; 53. a heat-generating tube; 54. a heating sheet.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

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," "second," and the like 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.

As shown in fig. 1-8, a novel double-color hot runner mold comprises a movable mold component 1 and a stationary mold component 2, the movable mold component 1 comprises a first bottom plate 11, guide holes 19 are formed in four corners of the first bottom plate 11, two first cushion blocks 12 are installed at the right end of the first bottom plate 11, an a plate 13 is installed at the right ends of the two first cushion blocks 12, pull rods 14 are installed at four corners of the right end of the a plate 13, limiting discs 15 are installed at the right ends of the pull rods 14, positioning holes 16 are formed in four corners of the right end of the a plate 13, a compensation cavity 17 is formed in the middle of the right end of the a plate 13, a cavity 18 is formed in the left wall of the compensation cavity 17, the stationary mold component 2 comprises a second bottom plate 21, guide rods 22 are installed at four corners of the left end of the second bottom plate 21, two second cushion blocks 23 are installed at the left end of the second bottom plate 21, a B plate 24 is installed at the left end of the two second cushion blocks 23, a block 24 is installed at the middle of the left end, ejector pins 27 are installed at four corners of the left end of the B plate 24, ejector pins 27 are installed at four corners of the left end of the stationary mold block 25, two nozzles 26, compensation plate 28 are installed at four corners of the outer surface of the compensation plate 29.

Four connecting rods 41 are installed at the right end of the compensation plate 28, a movable frame 42 is installed at the right ends of the four connecting rods 41 together, the left end of the movable frame 42 is fixedly connected with the right end of the ejector pin 27, the ejector pin 27 is movably connected with the molding block 25 in an inserting mode, the compensation plate 28 and the movable frame 42 move synchronously, and the ejector pin 27 is driven to move through the movable frame 42.

Preferably, four corners of the left end of the compensation plate 28 are provided with through holes 31.

Four positioning rods 51 are respectively arranged at four corners of the left end of the B plate 24, the four positioning rods 51 respectively and movably penetrate through the four through holes 31, a splitter plate 52 is arranged at the right end of the B plate 24, two heating tubes 53 are arranged at the right end of the splitter plate 52, the two heating tubes 53 are respectively connected with the two nozzles 26, and heating sheets 54 are arranged inside the splitter plate 52.

The middle part of the heating tube 53 is in a spiral tubular structure, so that the heating time of the plastic solution is prolonged, and the plastic particles are completely melted.

The pull rod 14 is movably connected with the pull hole 29 in a penetrating way, the guide rod 22 is movably connected with the guide hole 19 in a penetrating way, and the movable frame 42 is movably connected with the shunt plate 52 in a penetrating way.

It should be noted that, the utility model relates to a novel double-colored hot runner mold, accomplish the liftout of product jointly through setting up compensating plate 28 and thimble 27, during the compound die, die cavity 18, constitute product shaping chamber jointly between shaped block 25 and the compensating plate 28, the plastic solution of different colours is poured into through two heating tubes 53, the plastic solution forms the product after pouring into the product shaping chamber through nozzle 26, and the product is attached on the surface of shaped block 25, at this moment, compensating plate 28 is in close contact with all around with the opening of product, rethread stroke drive equipment such as pneumatic cylinder drive movable mould subassembly 1 and keep away from quiet mould subassembly 2, A board 13 drives pull rod 14 and removes in the movable mould subassembly 1, pull rod 14 drives spacing dish 15 and removes, after spacing dish 15 and compensating plate 28 contact, pull rod 14 drives compensating plate 28 and removes, compensating plate 28 makes the product break away from shaped block 25 all around, and compensating plate 28 drives movable frame 42 through connecting rod 41 and removes, movable frame 42 drives thimble 27 and removes, thimble 27 makes the inner wall of product break away from shaped block 25, realize the deformation through the cooperation jointly, product is taken place the probability when the liftout, the quality has been guaranteed; heating tube 53 through setting up helical structure is used for transporting plastic solution, has prolonged plastic solution's heat time for plastic granules melts completely, ensures the smooth degree on product surface, has improved the practicality.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel double-colored hot runner mould, includes movable mould subassembly (1) and quiet mould subassembly (2), its characterized in that: the movable mold component (1) comprises a first bottom plate (11), guide holes (19) are formed in four corners of the first bottom plate (11), two first cushion blocks (12) are arranged at the right end of the first bottom plate (11), an A plate (13) is arranged at the right ends of the two first cushion blocks (12) together, four corners of the right end of the A plate (13) are provided with pull rods (14), the right end of each pull rod (14) is provided with a limiting disc (15), positioning holes (16) are formed in four corners of the right end of the A plate (13), the middle part of the right end of the A plate (13) is provided with a compensation cavity (17), the left wall of the compensation cavity (17) is provided with a cavity (18), the static module assembly (2) comprises a second bottom plate (21), guide rods (22) are arranged at four corners of the left end of the second bottom plate (21), two second cushion blocks (23) are arranged at the left end of the second bottom plate (21), a B plate (24) is arranged at the left ends of the two second cushion blocks (23) together, a molding block (25) is arranged in the middle of the left end of the B plate (24), four corners of the left end of the molding block (25) are provided with ejector pins (27), two nozzles (26) are arranged in the middle of the left end of the molding block (25), a compensation plate (28) is movably sleeved on the outer surface of the block (25), four corners of the left end of the compensation plate (28) are provided with pull holes (29).

2. The novel bicolor hot runner mold of claim 1, wherein: four connecting rods (41) are installed, four to compensating plate (28) right-hand member movable frame (42) are installed jointly to connecting rod (41) right-hand member, movable frame (42) left end and thimble (27) right-hand member fixed connection, thimble (27) alternate swing joint with type piece (25).

3. The novel bicolor hot runner mold of claim 2, wherein: four corners of the left end of the compensation plate (28) are provided with through holes (31).

4. The novel bicolor hot runner mold of claim 3, wherein: locating levers (51) are all installed in B board (24) left end four corners, four locating levers (51) are the activity respectively and run through four through-holes (31), flow distribution plate (52) are installed to B board (24) right-hand member, flow distribution plate (52) right-hand member is provided with two heating tubes (53), two heating tubes (53) link to each other with two nozzles (26) respectively, flow distribution plate (52) internally mounted has heating plate (54).

5. The novel bicolor hot runner mold of claim 4, wherein: the middle part of the heating tube (53) is of a spiral tubular structure.

6. The novel bicolor hot runner mold of claim 5, wherein: the pull rod (14) is movably connected with the pull hole (29) in a penetrating mode, the guide rod (22) is movably connected with the guide hole (19) in a penetrating mode, and the movable frame (42) is movably connected with the flow distribution plate (52) in a penetrating mode.