CN213440941U

CN213440941U - Shedder is used in plastics processing

Info

Publication number: CN213440941U
Application number: CN202021990620.1U
Authority: CN
Inventors: 王云飞
Original assignee: Shenyang Forster Equipment Manufacturing Co ltd
Current assignee: Shenyang Hongfengda Plastic Products Manufacturing Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-06-15
Anticipated expiration: 2030-09-11

Abstract

The utility model relates to a drawing of patterns technical field of moulding plastics, and disclose a shedder for plastic working, the on-line screen storage device comprises a base, the bottom surface welded fastening of base has the motor, up end middle part welded fastening of base has main spring beam, the top welded fastening of main spring beam has ejection die, the surface sliding connection of ejection die has the external mold, the up end of base and the outside that is located main spring beam rotate and be connected with vice spring beam, the top of vice spring beam is provided with shedder, the up end sliding connection of external mold has the slide bar, the top welded fastening of slide bar has the top cap, the bottom surface of top cap is provided with fastener. This shedder is used in plastics processing waits that it can obtain the shaping injection molding through pouring into the raw materials of moulding plastics into the external mold and wait that it cools off, and can make the injection molding break away from with the external mold fast when the drawing of patterns through shedder to can prevent through fastener that the injection molding from damaging when the drawing of patterns, thereby the drawing of patterns of being convenient for.

Description

Shedder is used in plastics processing

Technical Field

The utility model relates to a drawing of patterns technical field that moulds plastics specifically is a shedder for plastics processing.

Background

Injection molding, also known as injection molding, is a molding method of injection and molding, i.e. a method of injecting a cylindrical injection molding piece into a mold cavity at a certain temperature under high pressure, and obtaining a molded product after cooling and solidification, but most of the prior art adopts manual demolding when demolding the cylindrical injection molding piece, i.e. directly ejecting the injection molding piece out of the mold, so that the efficiency is low, the injection molding piece is easy to damage, and in addition, when demolding some injection molding pieces with strong viscosity, the injection molding piece is easy to stick to the mold, thereby increasing the difficulty of demolding.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a shedder is used in plastics processing has solved the problem of the drawing of patterns when plastics are moulded plastics.

(II) technical scheme

For the purpose of realizing the drawing of patterns when above-mentioned plastics are moulded plastics, the utility model provides a following technical scheme: the utility model provides a shedder for plastic working, includes the base, the bottom surface welded fastening of base has the motor, the up end middle part welded fastening of base has main spring beam, the top welded fastening of main spring beam has ejection mould, the surface sliding connection of ejection mould has the external mold, the up end of base and the outside that is located main spring beam rotate and be connected with vice spring beam, the top of vice spring beam is provided with shedder, the up end sliding connection of external mold has the slide bar, the top welded fastening of slide bar has the top cap, the bottom surface of top cap is provided with fastener.

Preferably, shedder includes side slot, external tooth, runner and internal tooth, the surface downside at the external mold is seted up to the side slot, external tooth welded fastening is at the surface of external mold and is located the port department of side slot, runner welded fastening is on the top of vice spring bar, internal tooth welded fastening is at the upper and lower terminal surface of runner, treat its cooling and can obtain the shaping injection molding through pouring into the raw materials of moulding plastics into the external mold, and main spring bar is in compression state this moment, and vice spring bar is in the state of stretching, and the top cap is in the joint state with the external mold, and when needs are to the injection molding drawing of patterns, slidable fastening rod makes its and external mold break away from each other, makes the fastening block joint at the surface of injection molding simultaneously, and main spring bar stretches out and drives ejecting mould and move up in the external mold inside this moment, and vice spring bar contracts and drives the external mold and move down, and the runner makes the external mold, therefore, the outer die can rotate while moving downwards, the injection molding part is prevented from being stuck to the inner wall of the outer die, and the demolding efficiency is accelerated.

Preferably, fastener includes top groove, fastening block, anchorage bar and spring, the bottom surface at the top cap is seted up to the top groove, fastening block sliding connection is in the inside in top groove, the outside surface of anchorage bar welded fastening at the fastening block, spring welded fastening is at the upper end inside surface of anchorage bar, through the surface with the fastening block joint at the injection molding, and then can make the injection molding prevent its top from rocking when the rebound, and the top cap drives the slide bar rebound simultaneously, and then can fasten it at the in-process of injection molding drawing of patterns through the slide bar to improve drawing of patterns quality.

Preferably, the outer surface of the outer die is welded and fixed with outer teeth at the upper part and the lower part of the side groove port, and the outer teeth are meshed with the inner teeth, so that the outer teeth drive the inner teeth to rotate conveniently.

Preferably, the rotating wheel is rotatably connected with the inner bottom surface of the side groove, so that the auxiliary spring rod retracts and simultaneously drives the outer die to move downwards, and further the moving directions of the outer die and the ejection die are opposite.

Preferably, the fastening block is in a circular arc shape, so that the cylindrical injection molding piece can be fastened conveniently.

Preferably, one end of the spring, which is close to the fastening block, is welded and fixed on the inner wall of the top groove, so that the fastening rod can drive the spring to stretch and contract while sliding.

Compared with the prior art, the utility model provides a shedder is used in plastics processing possesses following beneficial effect:

1. this shedder for plastics processing, wait that it can obtain the shaping injection molding to cool off in pouring into the external mold raw materials into, main spring rod is in compression state this moment, vice spring rod is in stretching state, top cap and external mold are in the joint state, and when needing to the injection molding drawing of patterns, slidable anchorage bar makes it break away from each other with the external mold, make the surface of fastening piece joint at the injection molding simultaneously, main spring rod stretches and drives the ejecting mould upwards to move in the external mold this moment, and vice spring rod contracts and drives the external mold and move downwards, the runner makes the external mold rotate through external tooth and internal tooth intermeshing simultaneously, thereby can make the external mold also can rotate when moving downwards, prevent that the injection molding from gluing in the inner wall of external mold, from accelerating drawing of patterns efficiency.

2. This shedder is used in plastics processing through the surface with the mounting block joint at the injection molding, and then can make the injection molding prevent its top from rocking when the rebound, and the top cap drives the slide bar rebound simultaneously, and then can fasten it at the in-process of injection molding drawing of patterns through the slide bar to improve drawing of patterns quality.

Drawings

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

FIG. 2 is a partial sectional view of the structure of the present invention;

fig. 3 is a front view of the structure of the present invention.

Wherein: 1. a base; 2. a motor; 3. a main spring rod; 4. ejecting the die; 5. an outer mold; 6. a side groove; 7. an outer tooth; 8. an auxiliary spring lever; 9. a rotating wheel; 10. internal teeth; 11. a slide bar; 12. a top cover; 13. a top groove; 14. a fastening block; 15. a fastening rod; 16. a spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a demoulding device for plastic processing, which comprises a base 1, a motor 2 is fixed on the bottom surface of the base 1 by welding, a main spring rod 3 is fixed on the middle part of the upper end surface of the base 1 by welding, an ejection mould 4 is fixed on the top end of the main spring rod 3 by welding, an outer mould 5 is connected on the outer surface of the ejection mould 4 in a sliding manner, an auxiliary spring rod 8 is rotatably connected on the upper end surface of the base 1 and positioned outside the main spring rod 3, a demoulding device is arranged on the top end of the auxiliary spring rod 8, a slide rod 11 is connected on the upper end surface of the outer mould 5 in a sliding manner, a top cover 12 is fixed on the top end of the slide rod 11 by welding, a fastening device is arranged on the bottom surface of the top cover 12, the demoulding device comprises a side groove 6, external teeth 7, a runner 9 and internal teeth 10, the side groove, the runner 9 is welded and fixed on the top end of the auxiliary spring rod 8, the internal teeth 10 are welded and fixed on the upper and lower end surfaces of the runner 9, injection molding raw materials are injected into the external mold 5 and cooled to obtain a molded injection molding part, at the moment, the main spring rod 3 is in a compressed state, the auxiliary spring rod 8 is in an extended state, the top cover 12 and the external mold 5 are in a clamping state, when the injection molding part needs to be demolded, the fastening rod 15 can be slid and separated from the external mold 5, meanwhile, the fastening block 14 is clamped on the outer surface of the injection molding part, at the moment, the main spring rod 3 is extended and drives the ejection mold 4 to move upwards in the external mold, the auxiliary spring rod 8 contracts and drives the external mold 5 to move downwards, meanwhile, the runner 9 is mutually meshed with the internal teeth 10 through the external teeth 7 to enable the external mold 5 to rotate downwards, the injection molding part is prevented from being adhered to the inner wall of the external, outer teeth 7 are welded and fixed on the outer surface of the outer die 5 and located at the upper and lower parts of the port of the side groove 6, the outer teeth 7 are meshed with the inner teeth 10, the outer teeth 7 drive the inner teeth 10 to rotate, the rotating wheel 9 is rotationally connected with the inner bottom surface of the side groove 6, the outer die 5 is driven to move downwards while the auxiliary spring rod 8 contracts, and the moving direction of the outer die 5 and the moving direction of the ejection die 4 are opposite, the fastening device comprises a top groove 13, a fastening block 14, a fastening rod 15 and a spring 16, the top groove 13 is formed in the bottom surface of the top cover 12, the fastening block 14 is slidably connected inside the top groove 13, the fastening rod 15 is fixedly welded on the outer side surface of the fastening block 14, the spring 16 is fixedly welded on the inner side surface of the upper end of the fastening rod 15, the fastening block 14 is clamped on the outer surface of the injection molding, the top end of the injection molding, and then can fasten it at the in-process of injection molding drawing of patterns through slide bar 11 to improve drawing of patterns quality, fastening block 14 is the circular arc shape, is convenient for fasten the injection molding of tube-shape, and the one end welded fastening of spring 16 near fastening block 14 is fixed at the inner wall of overhead tank 13, and the anchorage bar 15 of being convenient for can drive spring 16 when gliding and stretch and contract.

When the injection molding machine is used, injection molding raw materials are injected into the outer mold 5 and cooled to obtain a molded injection molding part, the main spring rod 3 is in a compression state, the auxiliary spring rod 8 is in an extension state, the top cover 12 and the outer mold 5 are in a clamping state, when the injection molding part needs to be demolded, the fastening rod 15 can slide and be separated from the outer mold 5, the fastening block 14 is clamped on the outer surface of the injection molding part, the main spring rod 3 extends and drives the ejection mold 4 to move upwards in the outer mold, the auxiliary spring rod 8 contracts and drives the outer mold 5 to move downwards, the rotating wheel 9 is meshed with the inner teeth 10 through the outer teeth 7 to rotate the outer mold 5, the outer mold 5 can move downwards and can also rotate, the injection molding part is prevented from being stuck on the inner wall of the outer mold 5, the demolding efficiency is improved, the fastening block 14 is clamped on the outer surface of the injection molding part, and the top end of the injection molding part can be prevented from shaking while moving upwards, meanwhile, the top cover 12 drives the sliding rod 11 to move upwards, and the sliding rod 11 can be fastened in the injection molding piece demoulding process, so that the demoulding quality is improved.

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 shedder is used in plastic working, includes base (1), its characterized in that: the utility model discloses a die casting machine, including base (1), bottom surface welded fastening of base (1) has motor (2), the up end middle part welded fastening of base (1) has main spring beam (3), the top welded fastening of main spring beam (3) has ejection mould (4), the surface sliding connection of ejection mould (4) has external mold (5), the up end of base (1) and the outside swivelling joint that is located main spring beam (3) have vice spring beam (8), the top of vice spring beam (8) is provided with shedder, the up end sliding connection of external mold (5) has slide bar (11), the top welded fastening of slide bar (11) has top cap (12), the bottom surface of top cap (12) is provided with fastener.

2. The demolding device for plastic processing as claimed in claim 1, wherein: shedder includes side channel (6), external tooth (7), runner (9) and internal tooth (10), the surface downside in external mold (5) is seted up in side channel (6), external tooth (7) welded fastening is at the surface of external mold (5) and is located the port department of side channel (6), runner (9) welded fastening is on the top of vice spring beam (8), internal tooth (10) welded fastening is at the upper and lower terminal surface of runner (9).

3. The demolding device for plastic processing as claimed in claim 1, wherein: fastening device includes top groove (13), fastening block (14), anchorage bar (15) and spring (16), the bottom surface at top cap (12) is seted up in top groove (13), fastening block (14) sliding connection is in the inside of top groove (13), anchorage bar (15) welded fastening is at the outside surface of fastening block (14), spring (16) welded fastening is at the upper end inside surface of anchorage bar (15).

4. The demolding device for plastic processing as claimed in claim 2, wherein: and outer teeth (7) are welded and fixed on the outer surface of the outer die (5) and positioned above and below the port of the side groove (6), and the outer teeth (7) are meshed with the inner teeth (10).

5. The demolding device for plastic processing as claimed in claim 2, wherein: the rotating wheel (9) is rotatably connected with the inner bottom surface of the side groove (6).

6. The demolding device for plastic processing as claimed in claim 3, wherein: the fastening block (14) is in a circular arc shape.

7. The demolding device for plastic processing as claimed in claim 3, wherein: one end of the spring (16) close to the fastening block (14) is welded and fixed on the inner wall of the top groove (13).