CN219686381U

CN219686381U - Precise injection mold of modular combined plastic frame

Info

Publication number: CN219686381U
Application number: CN202223139360.9U
Authority: CN
Inventors: 周传生
Original assignee: Suzhou Yiyaoming Molding Technology Co ltd
Current assignee: Kunshan Junqi Precision Electronic Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-09-15
Anticipated expiration: 2032-11-25

Abstract

The utility model provides a precise injection mold for a modular combined plastic frame, and relates to the field of injection molds. Including the outer mould, the inside four sides of outer mould all are seted up flutedly, the inside of a plurality of recesses all is provided with the side form board, the equal fixedly connected with rack in left and right sides of one of them side form board rear side surface, two first cavitys have been seted up to the rear side surface of outer mould, the rear end of two racks all runs through the rear side of recess inner wall to the rear side surface of outer mould, the downside surface of two racks all meshes to be connected with the spur gear, the inner wall community fixedly connected with bull stick of two spur gears, the equal fixedly connected with two screws of opposite side surface of a plurality of corresponding side form boards. According to the utility model, the side frames are injection molded in a module mode, so that the side templates are moved out of the side frames after the injection molding is finished, the side frames are conveniently taken out, and the trouble that the side templates are clamped on the side templates and inconvenient to take out is avoided.

Description

Precise injection mold of modular combined plastic frame

Technical Field

The utility model relates to the field of injection molds, in particular to a precise injection mold of a modular combined plastic frame.

Background

The mold used for plastic injection molding is called an injection molding mold, which is called an injection mold for short, and the injection mold can mold plastic products with complex appearance, high dimensional accuracy or inserts at one time.

The structure of the injection mold is determined by the type of the injection molding machine and the structural characteristics of the plastic part, each auxiliary mold consists of a movable mold and a fixed mold, the movable mold is arranged on a movable plate of the injection molding machine, the fixed mold is arranged on a fixed plate of the injection molding machine, and a pouring system and a cavity are formed after the movable mold and the fixed mold are closed during injection molding.

When current frame was moulded plastics, because the frame production comes out to be the fretwork to when carrying out moulding plastics, after injection moulding, have the dog between interior mould and the outer mould to need take out the frame after the shaping, avoided not having blocked in the bellied dog in the mould easily in the hole on the frame, want to take out the frame, the frame has avoided can not produce deformation even damage.

Disclosure of Invention

The utility model aims to provide a precise injection mold for a modular combined plastic frame, which solves the problems that when the prior frame is injection molded, the frame is hollowed out, so that when injection molding is carried out, a stop block is arranged between an inner mold and an outer mold after injection molding, the molded frame needs to be taken out, holes in the frame cannot be easily blocked in the convex stop block in the mold, and the frame cannot be deformed or even damaged when the frame is taken out.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a precision injection mold of module formula combination plastic frame, includes the outer mould, the inside four sides of outer mould are all seted up flutedly, a plurality of the inside of recess all is provided with the side form, one of them the left and right sides of side form rear side surface all fixedly connected with rack, two first cavitys have been seted up to the rear side surface of outer mould, two the rear end of rack all runs through the rear side of recess inner wall to the rear side surface of outer mould, two the equal meshing of downside surface of rack is connected with the spur gear, two the inner wall community fixedly connected with bull stick of spur gear, a plurality of corresponding the equal fixedly connected with of opposite side surface of side form two screw rods, two second cavitys have all been seted up to the left and right sides and the front side surface of outer mould, a plurality of the inner wall of second cavity all rotates and is connected with the internal thread loop bar, a plurality of the opposite one end of screw rod all runs through the inside of corresponding recess inner wall to the second cavity, a plurality of the pole wall of screw rods all with the internal thread connection of corresponding internal thread loop bar.

Preferably, the third cavity has all been seted up around the outer mould, a plurality of the equal fixedly connected with worm wheel in surface of internal thread loop bar, two corresponding the downside surface joint meshing of worm wheel is connected with the worm, and a plurality of the both ends of worm all run through the inside of one side to the third cavity of second cavity inner wall, a plurality of the both ends of worm all fixedly connected with first bevel gear, two corresponding the opposite side surface meshing of first bevel gear is connected, the left and right sides both ends of bull stick all run through the inside of opposite side to the third cavity inner wall of first cavity, the left and right sides both ends of bull stick all fixedly connected with second bevel gear, two the downside surface all with the corresponding first bevel gear surface meshing is connected.

Preferably, the rear side surface of the outer die is rotationally connected with a screw rod, a rod wall of the screw rod is in threaded connection with a moving plate, the left side and the right side of the front side surface of the moving plate are respectively fixedly connected with the rear end of the rack, and the rear end of the screw rod is fixedly connected with a rotating button.

Preferably, a bottom template is arranged below the inner part of the outer die, two telescopic rods are fixedly connected to the lower side surface of the outer die, the upper ends of the two telescopic rods penetrate through the lower side surface of the outer die to the inner part of the outer die, and the upper ends of the two telescopic rods are fixedly connected with the lower side surface of the bottom template.

Preferably, an inner die is arranged in the outer die, limiting plates are fixedly connected to the upper sides of the peripheries of the inner die, and limiting grooves matched with the limiting plates are formed in the upper side surfaces of the outer die.

Preferably, bolts are fixedly connected to four sides of the upper side surface of the outer die, and a plurality of rod walls of the bolts are in threaded connection with pressing plates.

Preferably, the left side and the right side of the upper side surface of the inner die are provided with injection molding openings, two piston blocks are arranged in the injection molding openings, push rods are fixedly connected to the upper side surfaces of the piston blocks, and pull rings are fixedly connected to the upper ends of the push rods.

The utility model has the technical effects and advantages that:

1. by arranging the outer die, the side die plates, the racks, the spur gears, the rotating rods, the screws and the internal thread loop bars, the utility model adopts a module mode to carry out injection molding on the side die plates, so that the side die plates are moved out of the side die plates after the injection molding is finished, the side die plates are conveniently taken out, and the trouble that the side die plates are clamped on the side die plates and inconvenient to take out is avoided.

2. Through setting up outer mould, internal thread loop bar, worm wheel, worm, first bevel gear, second bevel gear, bull stick for the bull stick can drive all worms and rotate under the effect of first bevel gear and second bevel gear, thereby makes the side form of four sides can remove simultaneously, when carrying out the drawing of patterns, carries out the drawing of patterns to the frame simultaneously from the side form of four sides.

3. Through setting up outer mould, die block board, telescopic link, under the effect of die block board and telescopic link, conveniently release the frame from outer mould to for operating personnel, it is convenient to take out the frame and bring, avoids the frame card in outer mould.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model.

FIG. 2 is a schematic diagram showing the upper cross-sectional structure of the outer mold of the present utility model.

Fig. 3 is a schematic perspective view of a sideform according to the present utility model.

Fig. 4 is a schematic perspective view of a rack according to the present utility model.

In the figure: 1. an outer mold; 2. a side form; 3. a rack; 4. spur gears; 6. a rotating rod; 7. a screw; 8. an internally threaded shank; 9. a worm wheel; 10. a worm; 11. a first bevel gear; 12. a second bevel gear; 13. a screw rod; 14. a moving plate; 15. a rotary knob; 16. a bottom template; 17. an inner mold; 18. a telescopic rod; 19. a limiting plate; 20. a limit groove; 21. a bolt; 22. a pressing plate; 23. an injection molding port; 24. a piston block; 25. a push rod; 26. and (5) a pull ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a precision injection mold for a modular combined plastic frame, as shown in fig. 1-4, which comprises an outer mold 1, wherein four sides of the inner part of the outer mold 1 are respectively provided with grooves, the inner parts of a plurality of grooves are respectively provided with a side mold plate 2, the left side and the right side of the rear side surface of one side mold plate 2 are respectively fixedly connected with racks 3, the rear side surface of the outer mold 1 is provided with two first cavities, the rear ends of the racks 3 penetrate through the rear side of the inner walls of the grooves to the rear side surface of the outer mold 1, the lower side surfaces of the racks 3 are respectively meshed with a spur gear 4, the inner wall joint body of the two spur gears 4 is fixedly connected with a rotary rod 6, the opposite side surfaces of a plurality of corresponding side mold plates 2 are respectively fixedly connected with two threaded rods 7, the left side and the right side surfaces of the outer mold 1 and the front side surfaces of the corresponding side mold plates are respectively provided with two second cavities, the inner walls of the second cavities are respectively rotatably connected with an inner threaded sleeve rod 8, the opposite ends of the plurality of the threaded rods 7 penetrate through the opposite sides of the inner walls of the corresponding grooves to the inner sides of the second cavities of the outer mold 1, the corresponding side walls of the side mold plates are respectively meshed with the spur gears 4, the corresponding side frames are respectively, the inner side frames of the corresponding screw rods 7 are respectively connected with the inner side frames 8, and the corresponding side frames 2 are not conveniently taken out, and the side frames 2 are conveniently removed from the side frames, and the side frames are conveniently connected in a mode of the injection mold, and the side frames are conveniently removed, and the side frames are conveniently connected.

As shown in fig. 1-2, the periphery of the outer mold 1 is provided with a third cavity, the surfaces of a plurality of internal thread loop bars 8 are fixedly connected with worm gears 9, the lower side surfaces of two corresponding worm gears 9 are in meshed connection with worms 10, both ends of the plurality of worms 10 penetrate through one side of the inner wall of the second cavity to the inside of the third cavity, both ends of the plurality of worms 10 are fixedly connected with first bevel gears 11, the opposite side surfaces of two corresponding first bevel gears 11 are in meshed connection, the left end and the right end of a rotating rod 6 penetrate through the opposite side of the inner wall of the first cavity to the inside of the third cavity, the left end and the right end of the rotating rod 6 are fixedly connected with second bevel gears 12, the lower side surfaces of the two second bevel gears 12 are in meshed connection with one side surface of the corresponding first bevel gears 11, under the action of the first bevel gears 11 and the second bevel gears 12, so that the rotating rod 6 can drive all the worms 10 to rotate, the side mold plates 2 on four sides can simultaneously move, during demolding, the side mold plates 2 on four sides simultaneously carry out side demolding, the side frames are simultaneously, the left side mold plates 2 are fixedly connected with the rear side mold plates 13, the rear side mold plates 13 are fixedly connected with the screw rods 13, the rear side frames 13 are fixedly connected with the rear side surfaces of the screw rods 13, the screw rods 13 move, and the screw rods 13 move on the rear side mold plates 13 move, and the front side frames are conveniently move, and the side frames are connected with the front side frames, and move 13, and are convenient to move.

As shown in fig. 1, a bottom template 16 is arranged below the inside of an outer die 1, two telescopic rods 18 are fixedly connected to the lower side surface of the outer die 1, the upper ends of the two telescopic rods 18 penetrate through the lower side surface of the outer die 1 to the inside of the outer die, the upper ends of the two telescopic rods 18 are fixedly connected with the lower side surface of the bottom template 16, a frame is conveniently pushed out of the outer die 1 under the action of the bottom template 16 and the telescopic rods 18, so that convenience is brought to operators, the frame is prevented from being clamped in the outer die 1, an inner die 17 is arranged in the outer die 1, limiting plates 19 are fixedly connected to the upper sides of the periphery of the inner die 17, limiting grooves 20 matched with the limiting plates 19 are formed in the upper side surface of the outer die 1, and sealing between the outer die 1 and the inner die 17 can be kept under the action of the limiting plates 19 and the limiting grooves 20.

As shown in fig. 1, four sides of the upper side surface of the outer mold 1 are fixedly connected with bolts 21, rod walls of the bolts 21 are in threaded connection with a pressing plate 22, under the action of the pressing plate 22, a limiting plate 19 on the inner mold 17 is conveniently pressed, so that stability and sealing between the outer mold 1 and the inner mold 17 are kept, injection molding openings 23 are formed in the left side and the right side of the upper side surface of the inner mold 17, piston blocks 24 are arranged in the two injection molding openings 23, push rods 25 are fixedly connected with the upper side surfaces of the two piston blocks 24, pull rings 26 are fixedly connected with the upper ends of the two push rods 25, and materials in the injection molding openings 23 are pushed into the outer mold 1 under the action of the moving plate 14, so that the materials are prevented from being molded in the injection molding openings 23.

The working principle of the utility model is as follows: when the device is used, the inner die 17 is placed in the outer die 1, the limiting plate 19 on the inner die 17 is clamped into the limiting groove 20 on the outer die 1, the pressing plate 22 is rotated, the pressing plate 22 rotates on the bolt 21 and moves downwards, the limiting plate 19 is clamped, the inner die 17 is kept stable, the rotating button 15 is rotated at the moment, the screw rod 13 is driven to rotate, the rack 3 on the moving plate 14 is driven to move, the side die plate 2 on the rear side is pushed to be in contact with the rear side of the inner die 17, and when the side die plate 2 on the rear side is moved, the rack 3 drives the rotary rod 6 to rotate through the spur gear 4, all the worms 10 are driven to rotate through driving between the first bevel gear 11 and the second bevel gear 12, all the worm gears 9 on the internal thread sleeve rods 8 are driven to rotate, all the side die plates 2 are driven to move in the internal thread sleeve rods 8 through the screw rods 7, and all the side die plates 2 support four sides of the inner die 17;

the bottom template 16 is driven by the telescopic rod 18 to prop against the lower side of the inner mold 17 and prop against the lower side surfaces of all the side templates 2, injection molding liquid is injected into the outer mold 1 through the injection molding opening 23, after the injection molding liquid enters the outer mold 1, the injection molding liquid is dispersed in the side templates 2 and the bottom template 16, after the injection molding is finished, a piston block 24 on the push rod 25 is placed in the injection molding opening 23, and the push rod 25 is pushed by the pull ring 26, so that the injection molding liquid in the injection molding opening 23 completely enters the outer mold 1;

after injection moulding, the inner mould tool 17 is removed from the outer mould tool 1, whereupon the knob 15 is turned so that the moving plate 14 moves backwards, thereby bringing the four side mould plates 2 back into the recess, demoulding the four sides of the product and pushing the product out of the outer mould tool 1 via the telescopic rod 18.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a precision injection mold of modular combination plastic frame, includes outer mould (1), its characterized in that: the inside four sides of outer mould (1) all are seted up flutedly, a plurality of the inside of recess all is provided with sideform (2), one of them sideform (2) the left and right sides of rear side surface all fixedly connected with rack (3), two first cavitys have been seted up on the rear side surface of outer mould (1), two the rear end of rack (3) all runs through the rear side of recess inner wall to the rear side surface of outer mould (1), two the downside surface of rack (3) all meshes and is connected with spur gear (4), two the inner wall community fixedly connected with bull stick (6) of spur gear (4), a plurality of corresponding the equal fixedly connected with of opposite side surface of sideform (2) two screw rods (7), two second cavitys have all been seted up on the left and right sides and the front side surface of outer mould (1), a plurality of the inner wall of second cavity all rotates and is connected with internal thread loop bar (8), a plurality of the opposite one end of screw rods (7) all run through the inner wall of corresponding recess inner wall (1) and the corresponding internal thread loop bar (8).

2. The precision injection mold of a modular composite plastic rim of claim 1, wherein: the outer die (1) is characterized in that a third cavity is formed in the periphery of the outer die (1), the surfaces of the internal thread loop bars (8) are fixedly connected with worm wheels (9), two corresponding lower side surfaces of the worm wheels (9) are connected with worms (10) in a meshed mode, two ends of the worms (10) penetrate through one side of the inner wall of the second cavity to the inside of the third cavity, two corresponding opposite side surfaces of the first bevel gears (11) are connected in a meshed mode, the left end and the right end of the rotating rod (6) penetrate through the opposite side of the inner wall of the first cavity to the inside of the third cavity, two corresponding lower side surfaces of the rotating rod (6) are fixedly connected with second bevel gears (12), and the lower side surfaces of the two second bevel gears (12) are connected with one side surface of the corresponding first bevel gears (11) in a meshed mode.

3. The precision injection mold of a modular composite plastic rim of claim 1, wherein: the novel outer die is characterized in that a screw rod (13) is rotationally connected to the rear side surface of the outer die (1), a moving plate (14) is connected to the rod wall of the screw rod (13) through threads, the left side and the right side of the front side surface of the moving plate (14) are fixedly connected with the rear end of the rack (3) respectively, and a rotary button (15) is fixedly connected to the rear end of the screw rod (13).

4. The precision injection mold of a modular composite plastic rim of claim 1, wherein: the lower part inside of outer mould (1) is provided with die block (16), the downside surface fixedly connected with of outer mould (1) two telescopic link (18), two the downside surface to its inside of outer mould (1) is all run through to the upper end of telescopic link (18), two the upside surface fixed connection of telescopic link (18) and die block (16).

5. The precision injection mold of a modular composite plastic rim of claim 1, wherein: the novel plastic composite mold is characterized in that an inner mold (17) is arranged in the outer mold (1), a limiting plate (19) is fixedly connected to the upper side of the periphery of the inner mold (17), and a limiting groove (20) matched with the limiting plate (19) is formed in the upper side surface of the outer mold (1).

6. The precision injection mold of a modular composite plastic rim of claim 1, wherein: four sides of the upper side surface of the outer die (1) are fixedly connected with bolts (21), and the rod walls of a plurality of bolts (21) are in threaded connection with pressing plates (22).

7. The precision injection mold for a modular composite plastic rim of claim 5, wherein: injection molding openings (23) are formed in the left side and the right side of the upper side surface of the inner die (17), piston blocks (24) are arranged in the injection molding openings (23), push rods (25) are fixedly connected to the upper side surfaces of the piston blocks (24), and pull rings (26) are fixedly connected to the upper ends of the push rods (25).