CN112223683B

CN112223683B - Communication equipment shell injection mold of intelligence evacuation

Info

Publication number: CN112223683B
Application number: CN202010967518.8A
Authority: CN
Inventors: 吴思凡
Original assignee: Shenzhen Jinyifeng Plastic Electronics Co ltd
Current assignee: Shenzhen Jinyifeng Plastic Electronics Co.,Ltd.
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-08-03
Anticipated expiration: 2040-09-15
Also published as: CN112223683A

Abstract

The invention relates to the technical field of communication products and discloses an intelligent vacuumizing injection mold for a communication equipment shell, which comprises a movable mold, wherein the left end and the right end of the movable mold are rotatably connected with screw rods, a movable block is movably arranged in the movable mold, and a return spring is fixedly arranged between the lower end of the movable block and the movable mold. This communication equipment shell injection mold of intelligence evacuation, when closing the membrane to the cover half through the movable mould, the movable mould drives the fly leaf and moves to fixed frame, drive the inside rolling gear rotation of fixed frame, rolling gear drives the movable plate motion, rolling gear cooperates the connecting rod in the motion process and drives the slide bar horizontal slip in the fixed plate, slide bar cooperation extrusion pole can exert pressure for the gasbag, when the extrusion gasbag, the gasbag is to external gassing, the gasbag is when resuming the shape, can cooperate the intake pipe with the gas suction in the chamber of moulding plastics, thereby the effect of the chamber evacuation of moulding plastics has been realized.

Description

Communication equipment shell injection mold of intelligence evacuation

Technical Field

The invention relates to the technical field of communication products, in particular to an intelligent vacuumizing injection mold for a communication equipment shell.

Background

In the production process of communication products, molds of different types and models are required to manufacture the protective shells, injection molding solutions are injected into the molds by the injection molds, and then the molds are taken out after the molds are cooled, so that molded injection parts are taken out.

However, in the existing injection molding equipment used in the plastic production process, after the molten liquid is injected into the injection mold cavity, when the film is combined between the movable mold and the fixed mold, air exists in the injection mold cavity, which affects the quality of the injection molded part, so that air bubbles exist in the injection molded part, and the finished product is easy to break and has short service life.

In view of the above problems, there is a need for an intelligent vacuumized injection mold for communication equipment housings.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the communication equipment shell injection mold capable of intelligently vacuumizing, which has the advantages that the injection molding cavity can be vacuumized in the film closing process, the injection molding piece can be automatically ejected out in the mold stripping process, and the like, and the problem that the injection mold in the prior art does not have vacuumizing is solved.

(II) technical scheme

In order to realize the purposes of vacuumizing the injection molding cavity and automatically ejecting out an injection molding part during stripping in the film combining process, the invention provides the following technical scheme: an intelligent vacuumizing injection mold for a communication equipment shell comprises a movable mold, wherein the left end and the right end of the movable mold are both rotatably connected with a screw, a movable block is movably arranged in the movable mold, a reset spring is fixedly arranged between the lower end of the movable block and the movable mold, movable plates are fixedly arranged at the left end and the right end of the bottom of the movable mold, a fixed mold is fixedly arranged at the lower end of the screw, fixed frames are fixedly arranged at the left end and the right end of the upper end of the fixed mold, a movable plate is slidably connected in the fixed frames, a buffer spring is fixedly arranged between the lower end of the movable plate and the fixed frames, a rotating gear is connected between the movable plate and the movable plate in a meshing manner, a connecting rod is movably arranged on the rotating gear, an injection molding block is movably arranged at the upper end in the fixed mold, an injection molding cavity is formed in the injection molding block, and supporting rods are fixedly arranged at the left end and the right end of the injection molding block, the utility model discloses a bracing piece, including bracing piece, equal fixed mounting has the fixed plate on the looks back of bracing piece, the inside sliding connection of fixed plate has the slide bar, fixed mounting has the stripper bar on the inside of fixed plate and the terminal surface that is close to the bracing piece, the inside fixed mounting of stripper bar has the gasbag.

Preferably, the feed liquor pipe is installed to the upper end regulation of movable block, the connection relation of feed liquor pipe and movable mould is fixed connection, injects the solution of moulding plastics into the chamber of moulding plastics through the feed liquor pipe and carries out the injection moulding operation, and at the injection-moulding in-process, the device of moulding plastics can extrude the movable block, pushes down the movable block, and when the device of moulding plastics was taken up, under reset spring's effect, the movable block can upwards move.

Preferably, the link relation of fly leaf and fixed frame is sliding connection, equal fixed mounting has the tooth corresponding with the running gear between fly leaf and the movable plate, lets in the chamber of moulding plastics through the staff with the meltwater of moulding plastics, at first can exert a decurrent power to the movable block, the movable block extrudees the ejecting rod in the inside in chamber of moulding plastics, then extrudees the ejecting spring, after the meltwater shaping of moulding plastics, upwards ejecting rod under the effect of ejecting spring, ejecting rod can be directly with the ejecting chamber of moulding plastics of the formed part of moulding plastics to automatic ejecting effect has been realized.

Preferably, connecting rod movable mounting is in rotating gear's eccentric department, the connection of connecting rod and sliding rod is swing joint, when closing the membrane to the cover half through the movable mould, the movable mould drives the fly leaf and moves to fixed frame, drive the inside rotating gear rotation of fixed frame, rotating gear drives the movable plate motion, rotating gear cooperates the connecting rod in the motion process and drives the sliding rod horizontal slip in the fixed plate, sliding rod cooperation extrusion pole can exert pressure for the gasbag, when the extrusion gasbag, the gasbag is to external gassing, the gasbag can cooperate the intake pipe when resumeing the shape with the gas suction in the injection molding chamber, thereby the effect of injection molding chamber evacuation has been realized.

Preferably, the inside sliding connection of piece of moulding plastics has the pole of propping out, it is equipped with the spring of propping out to prop out the cover on the pole, and the spring of propping out can cooperate the pole of propping out to support the formed part of moulding plastics and prop out.

Preferably, the lower extreme fixed mounting of cover half inside has drive arrangement, drive arrangement's upper end fixed mounting has the device of propping out, the device of propping out and the incidence of moulding plastics of piece be fixed connection.

Preferably, the inside fixed mounting of bracing piece has the aspirating hole, the chamber of moulding plastics and aspirating hole are the intercommunication design, along with the continuous decline of fly leaf, can drive the rotating gear and rotate always, and the inside horizontal slip of cooperation slide bar at the fixed plate is resumeed to can be continuous to bleed to the chamber of moulding plastics.

Preferably, an air inlet pipe is fixedly mounted at the upper end of the fixing plate and in the supporting rod.

(III) advantageous effects

Compared with the prior art, the invention provides an intelligent vacuumizing communication equipment shell injection mold, which has the following beneficial effects:

1. this communication equipment shell injection mold of intelligence evacuation lets in the chamber of moulding plastics through the molten liquid of will moulding plastics of staff, at first can exert a decurrent power to the movable block, the movable block extrudees the liftout rod in the inside in chamber of moulding plastics, then extrudees the liftout spring, after the molten liquid shaping of moulding plastics, jack-up ejector rod makes progress under the effect of liftout spring, the liftout rod can be directly with the ejecting chamber of moulding plastics of the formed part of moulding plastics to automatic ejecting effect has been realized.

2. This communication equipment shell injection mold of intelligence evacuation, when closing the mould to the cover half through the movable mould, the movable mould drives the fly leaf and moves to fixed frame, drive the inside rolling gear of fixed frame and rotate, rolling gear drives the movable plate motion, rolling gear cooperates the connecting rod in the motion process and drives the slide bar horizontal slip in the fixed plate, slide bar cooperation extrusion pole can exert pressure for the gasbag, when the extrusion gasbag, the gasbag is to external gassing, the gasbag is when resuming the shape, can cooperate the intake pipe with the gas suction in the chamber of moulding plastics, thereby the effect of the chamber evacuation of moulding plastics has been realized.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic view of the moving mold structure of the present invention;

FIG. 3 is a schematic view of a fixed mold structure of the present invention;

FIG. 4 is a schematic view of the fixing frame structure of the present invention;

FIG. 5 is a schematic view of a movable plate structure of the present invention;

fig. 6 is a schematic structural view of a fixing plate according to the present invention.

In the figure: 1. moving the mold; 2. a screw; 3. a movable block; 4. a return spring; 5. a movable plate; 6. fixing a mold; 7. a fixing frame; 8. moving the plate; 9. a buffer spring; 10. a rotating gear; 11. a connecting rod; 12. an injection molding block; 13. an injection molding cavity; 14. a support bar; 15. a fixing plate; 16. a slide bar; 17. an extrusion stem; 18. an air bag.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an injection mold for a communication equipment housing with intelligent vacuum pumping comprises a movable mold 1, wherein a screw 2 is rotatably connected to both left and right ends of the movable mold 1, a movable block 3 is movably installed inside the movable mold 1, a liquid inlet pipe is installed at the upper end of the movable block 3 in a prescribed manner, the liquid inlet pipe is fixedly connected to the movable mold 1, an injection molding solution is injected into an injection molding cavity 13 through the liquid inlet pipe for injection molding operation, during the injection process, the injection molding device extrudes the movable block 3 to press the movable block 3 downward, the movable block 3 moves upward under the action of a return spring 4 when the injection molding device is taken up, the return spring 4 is fixedly installed between the lower end of the movable block 3 and the movable mold 1, movable plates 5 are fixedly installed at both left and right ends of the bottom of the movable mold 1, the movable plates 5 are slidably connected to a fixed frame 7, teeth corresponding to a rotating gear 10 are fixedly installed between the

movable plates

5 and 8, inject into the chamber 13 of moulding plastics through the staff with the meltwater of moulding plastics, at first can exert a decurrent power to movable block 3, movable block 3 extrudees the knock-out rod in the inside of moulding plastics chamber 13, then extrude the knock-out spring, after the meltwater shaping of moulding plastics, jack-up knock-out rod makes progress under the effect of knock-out spring, the knock-out rod can be directly with the ejecting chamber 13 of moulding plastics piece, thereby automatic ejecting effect has been realized, the inside lower extreme fixed mounting of cover half 6 has drive arrangement, drive arrangement's upper end fixed mounting has the knock-out device, the joint relation of knock-out device and injection moulding piece 12 is fixed connection.

The lower end of the screw rod 2 is fixedly provided with a fixed die 6, the left end and the right end of the upper end of the fixed die 6 are both fixedly provided with fixed dies 7, the interior of the fixed die 7 is connected with a moving plate 8 in a sliding manner, a buffer spring 9 is fixedly arranged between the lower end of the moving plate 8 and the fixed die 7, a rotating gear 10 is meshed and connected between the moving plate 8 and the moving plate 5, a connecting rod 11 is movably arranged on the rotating gear 10, the connecting rod 11 is movably arranged at the eccentric position of the rotating gear 10, the connecting relationship between the connecting rod 11 and a sliding rod 16 is movably connected, when the moving die 1 closes the film on the fixed die 6, the moving die 1 drives the moving plate 5 to move towards the fixed die 7 to drive the rotating gear 10 in the fixed die 7 to rotate, the rotating gear 10 drives the moving plate 8 to move, the rotating gear 10 cooperates with the connecting rod 11 to drive the sliding rod 16 to slide leftwards and rightwards in a fixed plate 15 in the moving process, the sliding rod 16 cooperates with an extrusion rod 17 to apply pressure to the air bag 18, when the air bag 18 is extruded, the air bag 18 deflates outwards, when the air bag 18 recovers the shape, the air bag can be matched with an air inlet pipe to suck out air in the injection molding cavity 13, so that the effect of vacuumizing the injection molding cavity 13 is achieved, the upper end inside the fixed die 6 is movably provided with the injection molding block 12, the inside of the injection molding block 12 is connected with a propping rod in a sliding manner, the propping rod is sleeved with a propping spring, the propping spring can be matched with the propping rod to prop out an injection molding piece, the injection molding cavity 13 is formed inside the injection molding block 12, the left end and the right end of the injection molding block 12 are both fixedly provided with the supporting rod 14, the inside of the supporting rod 14 is fixedly provided with an air suction hole, the injection molding cavity 13 and the air suction hole are in a communicated design, the rotating gear 10 can be driven to rotate along with the continuous descending of the movable plate 5, and then the sliding rod 16 slides leftwards and rightwards inside the fixing plate 15 so as to continuously suck air into the injection molding cavity 13, the fixing plate 15 is fixedly arranged on the opposite back surfaces of the supporting rod 14, an air inlet pipe is fixedly arranged at the upper end of the fixing plate 15 and inside the supporting rod 14, a sliding rod 16 is connected inside the fixing plate 15 in a sliding mode, an extrusion rod 17 is fixedly arranged inside the fixing plate 15 and on the end face close to the supporting rod 14, and an air bag 18 is fixedly arranged inside the extrusion rod 17.

The working principle is as follows: when the intelligent vacuumizing communication equipment shell injection mold is used, injection molding melt is introduced into the injection molding cavity 13 through a worker, a downward force is applied to the movable block 3 at first, the movable block 3 extrudes the propping rod in the injection molding cavity 13, then the propping spring is extruded, after the injection molding melt is molded, the propping rod is jacked upwards under the action of the propping spring, and the propping rod can directly push an injection molding piece out of the injection molding cavity 13, so that the automatic ejecting effect is realized; when the movable die 1 closes the film to the fixed die 6, the movable die 1 drives the movable plate 5 to move towards the fixed die 7, the rotating gear 10 inside the fixed die 7 is driven to rotate, the rotating gear 10 drives the movable plate 8 to move, the rotating gear 10 is matched with the connecting rod 11 to drive the sliding rod 16 to slide left and right in the fixed plate 15 in the moving process, the sliding rod 16 is matched with the extrusion rod 17 to apply pressure to the air bag 18, when the air bag 18 is extruded, the air bag 18 is deflated to the outside, and when the shape of the air bag 18 is restored, the air bag 18 can be matched with the air inlet pipe to suck out the gas in the injection molding cavity 13, so that the vacuumizing effect of the injection molding cavity 13 is realized.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a communication equipment shell injection mold of intelligence evacuation, includes movable mould (1), its characterized in that: the movable mould is characterized in that the left end and the right end of the movable mould (1) are both rotatably connected with a screw rod (2), the movable mould (1) is provided with a movable block (3), a reset spring (4) is fixedly arranged between the lower end of the movable block (3) and the movable mould (1), a movable plate (5) is fixedly arranged at the left end and the right end of the bottom of the movable mould (1), a fixed mould (6) is fixedly arranged at the lower end of the screw rod (2), a fixed mould (7) is fixedly arranged at the left end and the right end of the upper end of the fixed mould (6), a movable plate (8) is slidably connected inside the fixed mould (7), a buffer spring (9) is fixedly arranged between the lower end of the movable plate (8) and the fixed mould (7), a rotating gear (10) is engaged with the movable plate (8) and the movable plate (5), and a connecting rod (11) is movably arranged on the rotating gear (10), an injection molding block (12) is movably mounted at the upper end inside the fixed die (6), an injection molding cavity (13) is formed inside the injection molding block (12), supporting rods (14) are fixedly mounted at the left end and the right end of the injection molding block (12), fixing plates (15) are fixedly mounted on the opposite surfaces of the supporting rods (14), a sliding rod (16) is connected inside the fixing plate (15) in a sliding manner, an extrusion rod (17) is fixedly mounted inside the fixing plate (15) and on the end surface close to the supporting rods (14), and an air bag (18) is fixedly mounted inside the extrusion rod (17);

the movable plate (5) is connected with the fixed frame (7) in a sliding manner, and teeth corresponding to the rotating gears (10) are fixedly arranged between the movable plate (5) and the movable plate (8);

the connecting rod (11) is movably arranged at the eccentric position of the rotating gear (10), and the connecting relation between the connecting rod (11) and the sliding rod (16) is movable connection;

an air exhaust hole is fixedly arranged in the support rod (14), and the injection molding cavity (13) and the air exhaust hole are in a communicated design;

and an air inlet pipe is fixedly arranged at the upper end of the fixing plate (15) and in the supporting rod (14).

2. The communication equipment shell injection mold that intelligence was evacuated according to claim 1, characterized in that: the upper end of the movable block (3) is provided with a liquid inlet pipe in a specified way, and the liquid inlet pipe is fixedly connected with the movable mould (1).

3. The communication equipment shell injection mold that intelligence was evacuated according to claim 1, characterized in that: the inside sliding connection of injection molding piece (12) has the pole of propping out, it is equipped with the spring of propping out to prop out the cover on the pole.

4. The communication equipment shell injection mold that intelligence was evacuated according to claim 1, characterized in that: the lower extreme fixed mounting of cover half (6) inside has drive arrangement, drive arrangement's upper end fixed mounting has the device of propping out, the device of propping out is fixed connection with the relation of connection of injection molding piece (12).