CN216658706U

CN216658706U - Hot melt injection molding device for processing injection mold of electronic device

Info

Publication number: CN216658706U
Application number: CN202123259014.XU
Authority: CN
Inventors: 史昕松; 李让; 史桂玲
Original assignee: Tianjin Tu'an Electronic Technology Co ltd
Current assignee: Tianjin Tu'an Electronic Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-03
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to a hot-melting injection molding device for processing an injection mold of an electronic device, which comprises a supporting base, wherein the top of the supporting base is fixedly connected with a fixed support, an injection molding unit is fixedly arranged at the top of the fixed support, the top of the injection molding unit is provided with a feeding hole, the top of the feeding hole is fixedly connected with a supporting frame, the top of the supporting frame is provided with a rotating groove, and the top of the supporting frame is fixedly provided with a driving motor. Drive the pivot through setting up driving motor and rotate, the pivot drives the column spinner and rotates, the column spinner drives the stirring semicircle board and rotates, the rotational speed through control driving motor controls the speed that the material flows into the unit of moulding plastics, prevent that it from leading to the fact when the velocity of flow is too fast that the raw materials in the barrel is piled up or the velocity of flow influences off-the-shelf effect of making when too little, carry out kibbling function to the material simultaneously, thereby make the material of blocking more even in crushing back hot melt, the quality of production is improved.

Description

Hot melt injection molding device for processing injection mold of electronic device

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to a hot-melting injection molding device for processing an injection mold of an electronic device.

Background

The hot-melt injection molding device applies high pressure to hot-melt plastic to inject the hot-melt plastic to fill a mold cavity, so that plastic product molding equipment with various shapes can be manufactured, and the hot-melt injection molding device is widely applied in various fields.

However, the conventional hot-melt injection molding device has two problems: firstly, the traditional hot melting injection molding device can not control the speed of the material flowing into the machine barrel, can not prevent the raw material accumulation in the machine barrel when the flow speed is too high or prevent the influence on the finished product production effect when the flow speed is too low, and simultaneously has the influence on the production quality because the hot melting is not uniform enough after the blocked material enters the machine barrel; secondly, the traditional hot melting injection molding device can change the cavity formed by the two molds under the high-speed injection action of the nozzle, so that the quality of the finished product is easily reduced, and the use cost of injection molding is improved.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the hot-melting injection molding device for processing the injection mold of the electronic device, which has the advantages of cost saving, high efficiency and controllable flow rate and solves the problems in the background technology.

The utility model provides the following technical scheme:

a hot-melting injection molding device for processing an injection mold of an electronic device comprises a supporting base, wherein a fixed support is fixedly connected to the top of the supporting base, an injection molding unit is fixedly mounted at the top of the fixed support, a feed inlet is formed in the top of the injection molding unit, a supporting frame is fixedly connected to the top of the feed inlet, a rotating groove is formed in the top of the supporting frame, a driving motor is fixedly mounted at the top of the supporting frame, a rotating shaft is fixedly sleeved in the rotating groove through an output shaft of the driving motor, a rotating column is fixedly sleeved at the bottom of the rotating shaft, a stirring semicircular plate is arranged on the outer edge of the rotating column, a nozzle is arranged on the left side of the injection molding unit, a second mold is arranged on the left side of the nozzle, a first limiting groove is formed in the back side of the second mold, a second limiting groove is communicated with the front side of the first limiting groove, and a limiting stop block is arranged on the inner wall of the second limiting groove, the utility model discloses a spacing groove two, including spacing groove two, the one end fixedly connected with dead lever of spacing groove two, compression spring has been cup jointed along the activity outward to the one end fixedly connected with of dead lever, and the one end fixed mounting of dead lever has the trombone slide, the left side fixedly connected with backup pad at support base top, the right side fixed mounting of backup pad has hydraulic telescoping cylinder, the support base top is located the right side fixedly connected with supporting seat of backup pad, the top fixedly connected with mounting bracket of supporting seat, the first mould of right side fixedly connected with of mounting bracket, hydraulic telescoping cylinder runs through one side fixedly connected with finished product push pedal of mounting bracket, the right side fixedly connected with mounting bar of first mould, spacing draw-in groove has been seted up at the back of mounting bar.

And one side of the limiting arc strip, which is close to the first die, is arranged to be arc-shaped, and the limiting arc strip is clamped with the limiting clamping groove.

And, the quantity of limit stop is eight, and eight limit stop distributes in the four corners department of a spacing groove inner wall.

And the compression spring is positioned between the two limit stops, and the area of the second limit groove is larger than that of the first limit groove.

And the rotating shaft is sleeved by a bearing to realize rotation, and the outer edge of the stirring semicircular plate is provided with a knife edge.

And the shape of the stirring semicircular plate is semicircular, and the diameter of the stirring semicircular plate is slightly smaller than that of the inner wall of the feeding hole.

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

1. this hot melt injection molding device of electronic part injection mold processing, drive the pivot through setting up driving motor and rotate, the pivot drives the column spinner rotation, the column spinner drives the stirring semicircle board and rotates, the rotational speed through control driving motor controls the speed that the material flows in the unit of moulding plastics, prevent that its velocity of flow from leading to the fact when too fast that the raw materials in the barrel is piled up or the velocity of flow influences off-the-shelf effect of making when too little, carry out kibbling function to the material simultaneously, thereby make the material of blocking more even in crushing back hot melt, the quality of production has been improved.

2. This hot melt injection molding device of electron electrical part injection mold processing, move right through setting up the finished product push pedal of hydraulic telescoping cylinder drive, the finished product push pedal drives first mould and moves right, under compression spring's effect, the spacing draw-in groove and the spacing arc strip looks joint of first mould, fix between two moulds, even under the high-speed jet effect of nozzle, the die cavity that can not make two moulds form changes, difficult messenger's off-the-shelf quality descends to some extent, the use cost who moulds plastics has been reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the backside structure of the inventive mold;

FIG. 3 is a schematic top view of a feed inlet of the present invention;

FIG. 4 is a schematic side view of a feedwell according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4;

FIG. 6 is a schematic side sectional view of a second mold of the present invention.

Description of the reference numerals

1. A support base; 2. fixing a bracket; 3. an injection unit; 4. a feed inlet; 5. a rotating shaft; 6. rotating the column; 7. stirring the semicircular plate; 8. a support frame; 9. a drive motor; 10. a nozzle; 11. a supporting seat; 12. a first mold; 13. a second mold; 14. a first limiting groove; 15. a second limiting groove; 16. a limit stop block; 17. pulling a pin; 18. a fixing rod; 19. a compression spring; 20. limiting arc strips; 21. a limiting clamping groove; 22. a hydraulic telescopic cylinder; 23. a support plate; 24. a mounting frame; 25. a finished product push plate; 26. a rotating groove; 27. and (7) mounting the bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-6, a hot melt injection molding device for electronic device injection mold processing comprises a supporting base 1, a fixed support 2 is fixedly connected to the top of the supporting base 1, an injection molding unit 3 is fixedly installed on the top of the fixed support 2, a feed inlet 4 is arranged on the top of the injection molding unit 3, a support frame 8 is fixedly connected to the top of the feed inlet 4, a rotating groove 26 is formed in the top of the support frame 8, a driving motor 9 is fixedly installed on the top of the support frame 8, a rotating shaft 5 is fixedly sleeved inside the rotating groove 26 by an output shaft of the driving motor 9, a rotating column 6 is fixedly sleeved at the bottom of the rotating shaft 5, a stirring semicircular plate 7 is arranged on the outer edge of the rotating column 6, a nozzle 10 is arranged on the left side of the injection molding unit 3, a second mold 13 is arranged on the left side of the nozzle 10, a first limit groove 14 is formed on the back side of the second mold 13, and a second limit groove 15 is communicated with the front side of the first limit groove 14, the inner wall of spacing groove two 15 is equipped with limit stop 16, the inside swing joint of spacing groove two 15 has spacing arc strip 20, the one end fixedly connected with dead lever 18 of spacing arc strip 20, compression spring 19 has been cup jointed along the activity to the outer of dead lever 18, and the one end fixed mounting of dead lever 18 has a draw pin 17, support the left side fixedly connected with backup pad 23 at 1 top of base, the right side fixed mounting of backup pad 23 has hydraulic telescoping cylinder 22, support 1 top of base and be located the right side fixedly connected with supporting seat 11 of backup pad 23, the top fixedly connected with mounting bracket 24 of supporting seat 11, the first mould 12 of right side fixedly connected with of mounting bracket 24, hydraulic telescoping cylinder 22 runs through one side fixedly connected with finished product push pedal 25 of mounting bracket 24, the right side fixedly connected with mounting bar 27 of first mould 12, spacing draw-in groove 21 has been seted up at the back of mounting bar 27.

Spacing arc strip 20 is close to one side of first mould 12 and is established to the arc form, and spacing arc strip 20 and spacing draw-in groove 21 looks joint, promotes right when merging with second mould 13 at finished product push pedal 25 to first mould 12, and under compression spring 19's effect, spacing arc strip 20 follows the spacing draw-in groove 21 that the effort inserted mounting bar 27 of first mould 12 and offered to accomplish fixing between the mould, increased the frictional force between the mould.

The number of the limit stops 16 is eight, and the eight limit stops 16 are distributed at four corners of the inner wall of the first limit groove 14 to limit the compression spring 19, so that the compression spring 19 is prevented from falling off the fixing rod 18, the limit clamping groove 21 formed in the first die 12 is clamped with the limit arc strip 20, and defective products are prevented from being generated due to overlarge pressure.

The compression spring 19 is positioned between the two limit stops 16, the area of the second limit groove 15 is larger than that of the first limit groove 14, the two dies are fixed, even under the high-speed injection action of the nozzle 10, a cavity formed by the two dies cannot be changed, and the quality of a finished product is improved.

The pivot 5 cup joints with the bearing and realizes rotating, and the outer edge of stirring semicircle board 7 is equipped with the edge of a knife for pivot 5 is rotatory more easily, has also guaranteed pivot 5 stability of rotating the in-process simultaneously, makes feed inlet 4 possess kibbling function to the material, thereby makes the material of blocking more even at crushing back hot melt.

The shape of stirring semicircle board 7 is semi-circular, and the diameter of stirring semicircle board 7 slightly is lighter than the diameter of the 4 inner walls of feed inlet, and column spinner 6 drives stirring semicircle board 7 and rotates, and the slew velocity through control driving motor 9 controls the speed that the material flows in unit 3 of moulding plastics, prevents that it from causing the raw materials in the barrel to pile up or influence off-the-shelf effect of making when the velocity of flow is too fast.

The working principle of the utility model is as follows:

the material is loaded into the feeding hole 4, the switch of the driving motor 9 is started, the driving motor 9 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the rotating column 6 to rotate, the rotating column 6 drives the stirring semicircular plate 7 to rotate, the speed of the material flowing into the injection unit 3 is controlled by controlling the rotating speed of the driving motor 9, and the material is crushed at the same time, so that the block material is more uniformly hot-melted after being crushed, the production quality is improved, the material is heated and melted by the injection unit 3, the finished product push plate 25 is driven by the hydraulic telescopic cylinder 22 to move rightwards, the finished product push plate 25 drives the first mold 12 to move rightwards, under the action of the compression spring 19, the limit clamping groove 21 of the first mold 12 is clamped with the limit arc strip 20 to fix the two molds, at the moment, under the action of high-pressure pushing, the liquid is sprayed into the cavity formed by the closing of the second mold 13 and the first mold 12 through the nozzle 10, even under the high-speed spraying action of the nozzle 10, the first die 12 is not moved, and the quality of the finished product is improved.

To sum up, the hot melting injection molding device for processing the injection mold of the electronic device drives the rotating shaft 5 to rotate by arranging the driving motor 9, the rotating shaft 5 drives the rotating column 6 to rotate, the rotating column 6 drives the stirring semicircular plate 7 to rotate, the speed of the material flowing into the injection molding unit 3 is controlled by controlling the rotating speed of the driving motor 9, the raw material accumulation in the machine barrel when the flow speed is too high or the finished product manufacturing effect when the flow speed is too low is prevented from being influenced, and meanwhile, the material is crushed, so that the blocked material is more uniformly hot melted after being crushed, and the production quality is improved; through setting up hydraulic telescoping cylinder 22 and driving finished product push pedal 25 and move right, finished product push pedal 25 drives first mould 12 and moves right, under compression spring 19's effect, first mould 12's spacing draw-in groove 21 and spacing arc 20 looks joint are fixed between two moulds, even under the high-speed injection effect of nozzle 10, can not make the die cavity that two moulds formed change, difficult messenger's off-the-shelf quality has descended to some extent, has reduced the use cost who moulds plastics.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hot melt injection molding device of electronic device injection mold processing, includes support base (1), its characterized in that: the injection molding device is characterized in that a fixed support (2) is fixedly connected to the top of the supporting base (1), an injection molding unit (3) is fixedly mounted at the top of the fixed support (2), a feeding port (4) is arranged at the top of the injection molding unit (3), a supporting frame (8) is fixedly connected to the top of the feeding port (4), a rotating groove (26) is formed in the top of the supporting frame (8), a driving motor (9) is fixedly mounted at the top of the supporting frame (8), a rotating shaft (5) is fixedly sleeved on the inner portion, located in the rotating groove (26), of an output shaft of the driving motor (9), a rotating column (6) is fixedly sleeved at the bottom of the rotating shaft (5), a stirring semicircular plate (7) is arranged on the outer edge of the rotating column (6), a nozzle (10) is arranged on the left side of the injection molding unit (3), a second mold (13) is arranged on the left side of the nozzle (10), the back of the second mold (13) is provided with a first limiting groove (14), the front of the first limiting groove (14) is communicated with a second limiting groove (15), the inner wall of the second limiting groove (15) is provided with a limiting stop (16), the inside of the second limiting groove (15) is movably connected with a limiting arc strip (20), one end of the limiting arc strip (20) is fixedly connected with a fixed rod (18), the outer edge of the fixed rod (18) is movably sleeved with a compression spring (19), one end of the fixed rod (18) is fixedly provided with a pull pin (17), the left side of the top of the supporting base (1) is fixedly connected with a supporting plate (23), the right side of the supporting plate (23) is fixedly provided with a hydraulic telescopic cylinder (22), the top of the supporting base (1) is positioned at the right side of the supporting plate (23) and is fixedly connected with a supporting seat (11), the top of the supporting seat (11) is fixedly connected with an installation frame (24), the right side fixedly connected with first mould (12) of mounting bracket (24), one side fixedly connected with finished product push pedal (25) that mounting bracket (24) was run through in hydraulic telescoping cylinder (22), the right side fixedly connected with mounting bar (27) of first mould (12), spacing draw-in groove (21) have been seted up at the back of mounting bar (27).

2. A hot-melt injection molding apparatus for electronic device injection mold processing according to claim 1, wherein: one side of the limiting arc strip (20) close to the first die (12) is arc-shaped, and the limiting arc strip (20) is clamped with the limiting clamping groove (21).

3. A hot-melt injection molding apparatus for electronic device injection mold processing according to claim 1, wherein: the number of the limit stops (16) is eight, and the eight limit stops (16) are distributed at four corners of the inner wall of the first limit groove (14).

4. A hot-melt injection molding apparatus for electronic device injection mold processing according to claim 1, wherein: the compression spring (19) is positioned between the two limit stops (16), and the area of the second limit groove (15) is larger than that of the first limit groove (14).

5. A hot-melt injection molding apparatus for electronic device injection mold processing according to claim 1, wherein: the rotating shaft (5) is sleeved by a bearing to realize rotation, and a knife edge is arranged on the outer edge of the stirring semicircular plate (7).

6. A hot-melt injection molding apparatus for electronic device injection mold processing according to claim 1, wherein: the shape of the stirring semicircular plate (7) is semicircular, and the diameter of the stirring semicircular plate (7) is slightly smaller than that of the inner wall of the feed port (4).