CN218111506U

CN218111506U - Injection molding device for ring main unit plastic shell

Info

Publication number: CN218111506U
Application number: CN202221493180.8U
Authority: CN
Inventors: 李明亮; 李宾; 潘丽红
Original assignee: Beijing Ruichi Electromechanical Equipment Co ltd
Current assignee: Beijing Ruichi Electromechanical Equipment Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-12-23
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a device of moulding plastics of looped netowrk cabinet plastic casing, the on-line screen storage device comprises a base, the base top is connected with the mount pad, the mount pad top is provided with the mechanism of moulding plastics, the base top is connected with the cover half, the cover half is located the front end of the mechanism of moulding plastics, set up in the cover half with the hole of moulding plastics of the mechanism intercommunication of moulding plastics, cover half rear side top is provided with exhaust mechanism, base top front end is provided with locking mechanism. Has the advantages that: the utility model discloses be provided with two closed blocks in the cover half, when moulding plastics, the injection molding material can be opened closed block extrusion to get into the mould, when stopping moulding plastics, under the effect of spring for two closed blocks are closed once more, with the inside and outside injection molding material disconnection of mould, thereby make the product of accomplishing of moulding plastics can not leave unnecessary afterbody, and set up exhaust mechanism on the cover half, make the mould inner air can discharge when moulding plastics, avoid appearing the bubble.

Description

Injection molding device for ring main unit plastic shell

Technical Field

The utility model relates to a technical field of moulding plastics especially relates to a looped netowrk cabinet plastic casing's device of moulding plastics.

Background

The ring main unit is a group of transmission and distribution electrical equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into electrical equipment of an assembled interval ring main power supply unit, the core part of the ring main unit adopts a load switch and a fuse, and the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and is widely used in distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large-scale public buildings, factory enterprises and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an injection molding device for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a device of moulding plastics of looped netowrk cabinet plastic casing, includes the base, the base top is connected with the mount pad, the mount pad top is provided with the mechanism of moulding plastics, the base top is connected with the cover half, the cover half is located the front end of the mechanism of moulding plastics, seted up in the cover half with the hole of moulding plastics of the mechanism intercommunication of moulding plastics, cover half rear side top is provided with exhaust mechanism, base top front end is provided with locking mechanism.

Preferably, two sliding grooves are formed in the fixed die, the two sliding grooves are obliquely arranged and are vertically symmetrical, and the sliding grooves are communicated with the injection molding holes.

Preferably, a sealing block is connected in the sliding groove, and a spring is connected to one side, close to the injection molding mechanism, of the sealing block.

Preferably, two the closed block is located both sides and symmetry setting about the hole of moulding plastics, closed block part is located the downthehole of moulding plastics, closed block front side with the cover half inner wall flushes.

Preferably, a transverse exhaust channel is formed in the top end of the fixed die, and a longitudinal exhaust channel communicated with the transverse exhaust channel is formed in the top of the fixed die.

Preferably, exhaust mechanism includes the motor frame, the motor frame connect in the top of cover half rear side, motor frame rear side is connected with the second motor, the output shaft of second motor has the spline housing, the integral key shaft is connected to the spline housing in, the integral key shaft is kept away from the one end of spline housing is connected with the closing rod, the closing rod stretches into in the horizontal exhaust passageway.

Preferably, the outer wall of the closing rod is provided with an external thread, the inner wall of the transverse exhaust channel is provided with an internal thread, and the closing rod is connected with the inner wall of the transverse exhaust channel through the thread.

Preferably, the spline shaft is movable inside the spline housing.

Preferably, the injection molding mechanism comprises an injection molding barrel, the injection molding barrel is arranged at the top of the mounting seat, the top of the injection molding barrel is connected with a feed hopper, the rear side of the injection molding barrel is connected with a first motor, an output shaft of the first motor is connected with a screw rod, the screw rod is positioned inside the injection molding barrel, and a plurality of heating rings are connected to the outer wall of the injection molding barrel.

Preferably, the die clamping mechanism comprises a telescopic cylinder, a fixed plate and a movable die, the fixed plate is connected to the front end of the top of the base, the rear side of the fixed plate is connected with the telescopic cylinder, and the rear end of an output shaft of the telescopic cylinder is connected with the movable die.

The beneficial effects are that: the utility model discloses be provided with two closed blocks in the cover half, when moulding plastics, the injection molding material can be opened closed block extrusion to get into the mould, when stopping moulding plastics, under the effect of spring for two closed blocks are closed once more, with the inside and outside injection molding material disconnection of mould, thereby make the product of accomplishing of moulding plastics can not leave unnecessary afterbody, and set up exhaust mechanism on the cover half, make the mould inner air can discharge when moulding plastics, avoid appearing the bubble.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a perspective view of an injection molding device for a ring main unit plastic casing according to the present invention;

fig. 2 is a top view of the injection molding device for the ring main unit plastic casing according to the present invention;

fig. 3 is a left side view of an injection molding mechanism of the injection molding device for the ring main unit plastic shell according to the present invention;

fig. 4 is the utility model discloses a looped netowrk cabinet plastic casing's the cover half inner structure left side view of the device of moulding plastics.

The reference numerals are illustrated below: 1. a base; 2. a mounting seat; 3. an injection molding mechanism; 301. an injection molding barrel; 302. a feed hopper; 303. a first motor; 304. a screw; 305. a heating ring; 4. fixing a mold; 401. injection molding holes; 402. a chute; 403. a closing block; 404. a spring; 405. a transverse exhaust channel; 406. a longitudinal exhaust passage; 5. an exhaust mechanism; 501. a motor frame; 502. a second motor; 503. a spline housing; 504. a spline shaft; 505. a closing rod; 6. a mold clamping mechanism; 601. a telescopic cylinder; 602. a fixing plate; 603. and (5) moving the mold.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The present invention will be further explained with reference to the accompanying drawings:

examples

As shown in fig. 1-4, an injection molding device for a ring main unit plastic shell comprises a base 1, wherein a mounting base 2 is connected to the top of the base 1, an injection molding mechanism 3 is arranged at the top of the mounting base 2, a fixed mold 4 is fixedly connected to the top of the base 1, the fixed mold 4 is located at the front end of the injection molding mechanism 3, an injection molding hole 401 communicated with the injection molding mechanism 3 is formed in the fixed mold 4, an exhaust mechanism 5 is arranged at the top end of the rear side of the fixed mold 4, and a mold clamping mechanism 6 is arranged at the front end of the top of the base 1.

In this embodiment, two sliding grooves 402 are formed in the fixed mold 4, the two sliding grooves 402 are obliquely arranged and are vertically symmetrical, and the sliding grooves 402 are communicated with the injection molding hole 401.

In this embodiment, a sealing block 403 is slidably connected in the sliding groove 402, a spring 404 is connected to a side of the sealing block 403 close to the injection mechanism 3, and the sealing block 403 moves obliquely along the sealing block 403 and compresses the spring 404 after being extruded by the injection molding material.

In this embodiment, two closed blocks 403 are located at the upper side and the lower side of the injection molding hole 401 and are symmetrically arranged, the closed blocks 403 are partially located in the injection molding hole 401, and the front side of the closed blocks 403 is flush with the inner wall of the fixed mold 4, so that the surface of a product after injection molding can be smooth.

In this embodiment, the fixed mold 4 has a transverse exhaust passage 405 formed at the top end thereof, the fixed mold 4 has a longitudinal exhaust passage 406 communicating with the transverse exhaust passage 405 formed at the top thereof, and air is discharged through the transverse exhaust passage 405 into the longitudinal exhaust passage 406.

In this embodiment, the exhaust mechanism 5 includes a motor frame 501, the motor frame 501 is welded to the top end of the rear side of the fixed mold 4, a second motor 502 is connected to the rear side of the motor frame 501 through a bolt, a spline housing 503 is fixedly connected to an output shaft of the second motor 502, a spline shaft 504 is connected in the spline housing 503, a closing rod 505 is welded to one end, away from the spline housing 503, of the spline shaft 504, the closing rod 505 extends into the transverse exhaust channel 405, the spline housing 503 is driven to rotate by the second motor 502, the spline housing 503 drives the spline shaft 504 to rotate, and therefore the closing rod 505 rotates.

In this embodiment, the outer wall of the closing rod 505 is provided with external threads, the inner wall of the transverse exhaust channel 405 is provided with internal threads, and the closing rod 505 is connected with the inner wall of the transverse exhaust channel 405 through threads.

In this embodiment, splined shaft 504 is movable within splined hub 503 to ensure that closure rod 505 can move within transverse exhaust passage 405 as it rotates.

In this embodiment, the injection molding mechanism 3 includes an injection molding barrel 301, the injection molding barrel 301 is disposed on the top of the mounting base 2, the top of the injection molding barrel 301 is connected with a feeding hopper 302, the rear side of the injection molding barrel 301 is connected with a first motor 303, an output shaft of the first motor 303 is connected with a screw 304, the screw 304 is located inside the injection molding barrel 301, the outer wall of the injection molding barrel 301 is connected with a plurality of heating rings 305, the screw 304 is driven by the first motor 303 to rotate to push materials, and plastics are melted through the heating rings 305.

In this embodiment, the clamping mechanism 6 includes a telescopic cylinder 601, a fixed plate 602, and a movable mold 603, the fixed plate 602 is connected to the front end of the top of the base 1, the telescopic cylinder 601 is connected to the rear side of the fixed plate 602, the movable mold 603 is connected to the rear end of the output shaft of the telescopic cylinder 601, and the movable mold 603 is driven by the telescopic cylinder 601 to move back and forth, so that the movable mold 603 and the fixed mold 4 are closed or separated.

The working principle is as follows: in use, plastic is added into the injection cylinder 301 through the feed hopper 302, the screw 304 is driven to rotate by the first motor 303, the screw 304 pushes the plastic to move forwards, the plastic is heated by the heating ring 305 to be melted to form injection molding material, the injection molding material enters between the fixed mold 4 and the movable mold 603 through the injection molding hole 401, the injection molding material extrudes the two closed blocks 403 during the process of passing through the injection molding hole 401, so that the closed blocks 403 move along the sliding groove 402, the spring 404 is compressed, after injection molding is completed, the two closed blocks 403 are closed again under the action of the spring 404, so that the injection molding material inside and outside the mold is disconnected, and an excessive tail is avoided.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. 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 looped netowrk cabinet plastic casing's device of moulding plastics, includes base (1), base (1) top is connected with mount pad (2), its characterized in that: mount pad (2) top is provided with the mechanism (3) of moulding plastics, base (1) top is connected with cover half (4), cover half (4) are located the front end of the mechanism (3) of moulding plastics, seted up in cover half (4) with mould plastics injection hole (401) of mechanism (3) intercommunication, cover half (4) rear side top is provided with exhaust mechanism (5), base (1) top front end is provided with locking mechanism (6).

2. The injection molding device for the ring main unit plastic shell according to claim 1, characterized in that: two sliding grooves (402) are formed in the fixed die (4), the two sliding grooves (402) are obliquely arranged and are vertically symmetrical, and the sliding grooves (402) are communicated with the injection molding hole (401).

3. The injection molding device for the ring main unit plastic shell according to claim 2, characterized in that: a sealing block (403) is connected in the sliding groove (402), and a spring (404) is connected to one side, close to the injection molding mechanism (3), of the sealing block (403).

4. The injection molding device for the ring main unit plastic shell according to claim 3, characterized in that: two block (403) are located both sides and symmetry setting about injection molding hole (401), block (403) part is located in injection molding hole (401), block (403) front side with cover half (4) inner wall flushes.

5. The injection molding device for the ring main unit plastic shell according to claim 1, characterized in that: horizontal exhaust passage (405) have been seted up to the top in cover half (4), cover half (4) top seted up with vertical exhaust passage (406) of horizontal exhaust passage (405) intercommunication.

6. The injection molding device for the ring main unit plastic shell according to claim 5, characterized in that: exhaust mechanism (5) include motor frame (501), motor frame (501) connect in the top of cover half (4) rear side, motor frame (501) rear side is connected with second motor (502), the output shaft of second motor (502) has spline housing (503), spline shaft (504) are connected in spline housing (503), spline shaft (504) are kept away from the one end of spline housing (503) is connected with enclosed rod (505), enclosed rod (505) stretch into in horizontal exhaust passage (405).

7. The injection molding device for the ring main unit plastic shell according to claim 6, characterized in that: the sealing rod (505) is provided with external threads on the outer wall, internal threads are arranged on the inner wall of the transverse exhaust channel (405), and the sealing rod (505) is connected with the inner wall of the transverse exhaust channel (405) through threads.

8. The injection molding device for the ring main unit plastic shell according to claim 6, characterized in that: the spline shaft (504) is movable inside the spline housing (503).

9. The injection molding device for the ring main unit plastic shell according to claim 1, wherein the injection molding mechanism (3) comprises an injection molding barrel (301), the injection molding barrel (301) is arranged on the top of the mounting seat (2), the top of the injection molding barrel (301) is connected with a feed hopper (302), the rear side of the injection molding barrel (301) is connected with a first motor (303), an output shaft of the first motor (303) is connected with a screw rod (304), the screw rod (304) is located inside the injection molding barrel (301), and the outer wall of the injection molding barrel (301) is connected with a plurality of heating rings (305).

10. The injection molding device for the ring main unit plastic shell according to claim 1, wherein the mold clamping mechanism (6) comprises a telescopic cylinder (601), a fixed plate (602) and a movable mold (603), the fixed plate (602) is connected to the front end of the top of the base (1), the telescopic cylinder (601) is connected to the rear side of the fixed plate (602), and the movable mold (603) is connected to the rear end of the output shaft of the telescopic cylinder (601).