CN214111305U

CN214111305U - Multi-cavity multi-material runner reversing structure of mold

Info

Publication number: CN214111305U
Application number: CN202023294817.4U
Authority: CN
Inventors: 温东晖; 宋康康
Original assignee: Yantai Rixin Aviation Technology Co ltd
Current assignee: Yantai Rixin Aviation Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-03
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a mould multicavity multiple material runner switching-over structure, including switching-over piece, spacing spring and latch, the upper surface of switching-over piece is provided with the dog, and the upper surface of switching-over piece has preset the locating hole, the outside surface of switching-over piece is run through by inlet pipe and discharging pipe respectively, and the upper surface mounting of switching-over piece has the regulating wheel, the surface mounting of regulating wheel has smooth tooth, and is connected with supporting spring between smooth tooth and the regulating wheel, the surface connection of regulating wheel has the driving gear, the surface from the driving wheel is provided with the latch. This mould multicavity multiple material runner switching-over structure is provided with from the driving wheel, makes the different baffle boxes lead to the different die cavitys with the melting material in the inlet pipe through rotating from the driving wheel for a plurality of die cavitys can the same mechanism of moulding plastics of concurrent use, effectually satisfied customer's this demand that falls under the prerequisite that does not reduce the technology level.

Description

Multi-cavity multi-material runner reversing structure of mold

Technical Field

The utility model relates to an injection mold technical field specifically is a mould multicavity multiple material runner switching-over structure.

Background

Injection moulding is the process of injecting molten plastic material into the die cavity and cooling the material to be moulded through pressure, and injection mould has then mainly played the effect moulding to the material, and injection mould all is often being applicable to the batch production of complicated part, but there are some problems in current injection mould in the in-service use process:

firstly, the existing injection mold is often subjected to the conditions that the product yield of customers is low, the product materials are different, and the customers require cost reduction during manufacturing, so that the existing injection mold can not meet the requirements of the customers any more and can achieve the purpose of reducing the production cost through adjustment;

secondly, the existing injection mold does not have a protection device, the switch of the injection port can be screwed at any time, and once the injection mold mistakenly touches the injection switch before the injection mold is not closed, the molten injection molding material can be sprayed out, so that great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mould multicavity multiple material runner switching-over structure to the problem that is unfavorable for adjusting and does not possess safeguard measure who proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-cavity multi-material runner reversing structure of a mold comprises a reversing block, a limiting spring and a latch, wherein a stop block is arranged on the upper surface of the reversing block, the upper surface of the reversing block is preset with a positioning hole, the outer side surface of the reversing block is respectively penetrated by a feed pipe and a discharge pipe, and the upper surface of the reversing block is provided with an adjusting wheel, the outer surface of the adjusting wheel is provided with a sliding tooth, a supporting spring is connected between the sliding tooth and the adjusting wheel, the outer surface of the adjusting wheel is connected with a driving gear, and the inner surface of the driving gear is provided with a clamping block, the upper surface of the reversing block is embedded with a driven wheel, the outer surface of the driven wheel is penetrated by the guide chute, the upper surface of the driven wheel is fixed with a rotating rod, the outer surface of one end of the rotating rod is penetrated by the clamping rod, and a limiting spring is connected between the clamping rod and the rotating rod, and the outer surface of the driven wheel is provided with clamping teeth.

Preferably, the positioning holes are distributed on the upper surface of the reversing block at equal angles, and the positioning holes and the clamping rod form a clamping structure.

Preferably, the adjusting wheel and the sliding tooth form a sliding structure, and the sliding tooth and the adjusting wheel form an elastic structure through a supporting spring.

Preferably, the sliding teeth and the clamping blocks form a clamping structure, and the clamping blocks are distributed in the driving gear at equal angles.

Preferably, the driving gear is in meshed connection with the driven gear, and the driven gear and the reversing block form a rotating structure.

Preferably, the clamping rod and the rotating rod form a sliding structure, and the clamping rod and the rotating rod form an elastic structure through a limiting spring.

Compared with the prior art, the beneficial effects of the utility model are that: this mould multicavity multiple material runner switching-over structure:

1. the driven wheel is arranged, so that different guide chutes guide the molten materials in the feeding pipe into different die cavities by rotating the driven wheel, and a plurality of die cavities can share one injection molding mechanism, thereby effectively meeting the cost reduction requirement of customers on the premise of not reducing the technological level;

2. the clamping rod is arranged, so that when the rotating rod is extruded, the rotating rod cannot rotate randomly to cause molten materials to enter an unmolded die cavity through clamping of the clamping rod and the positioning hole, the molten materials are sprayed out of the die cavity, the condition that workers are scalded due to spraying of the molten injection molding materials is avoided, and potential safety hazards are greatly reduced;

3. be provided with dog and regulating wheel, blockked by the dog when the latch is rotatory to dog department, avoid leading to the ejection of compact confusion from the excessive rotation of driving wheel, when can not rotate from the driving wheel, avoid the regulating wheel to force to drive from the driving wheel rotation through the driving gear through the slip of regulating wheel and smooth tooth simultaneously, lead to the cracked condition of latch to take place.

Drawings

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

FIG. 2 is a schematic overall front sectional view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is a schematic view of a sectional view of the connection between the sliding teeth and the supporting springs;

FIG. 5 is a schematic view of a sectional view of the chute of the present invention;

fig. 6 is the utility model discloses the switching-over piece with from driving wheel connection sectional structure schematic diagram that bows.

In the figure: 1. a commutation block; 2. a stopper; 3. positioning holes; 4. a feed pipe; 5. a discharge pipe; 6. a material guide chute; 7. an adjustment wheel; 8. sliding the teeth; 9. a support spring; 10. a driving gear; 11. a clamping block; 12. a driven wheel; 13. a rotating rod; 14. a clamping rod; 15. a limiting spring; 16. and (4) clamping teeth.

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. 1-6, the present invention provides a technical solution: a multi-cavity multi-material runner reversing structure of a mold comprises a reversing block 1, a stop block 2, a positioning hole 3, a feeding pipe 4, a discharging pipe 5, a guide chute 6, an adjusting wheel 7, a sliding tooth 8, a supporting spring 9, a driving gear 10, a clamping block 11, a driven wheel 12, a rotating rod 13, a clamping rod 14, a limiting spring 15 and a clamping tooth 16, wherein the stop block 2 is arranged on the upper surface of the reversing block 1, the positioning hole 3 is preset on the upper surface of the reversing block 1, the outer side surface of the reversing block 1 is respectively penetrated by the feeding pipe 4 and the discharging pipe 5, the adjusting wheel 7 is arranged on the upper surface of the reversing block 1, the sliding tooth 8 is arranged on the outer surface of the adjusting wheel 7, the supporting spring 9 is connected between the sliding tooth 8 and the adjusting wheel 7, the driving gear 10 is connected to the outer surface of the adjusting wheel 7, the clamping block 11 is arranged on the inner surface of the driving gear 10, the driven wheel 12 is installed on the upper surface of the reversing block 1 in an embedded manner, the outer surface of the driven wheel 12 is penetrated by the guide chute 6, the rotating rod 13 is fixed on the upper surface of the driven wheel 12, the outer surface of one end of the rotating rod 13 is penetrated by the clamping rod 14, the limiting spring 15 is connected between the clamping rod 14 and the rotating rod 13, and the outer surface of the driven wheel 12 is provided with clamping teeth 16.

The positioning holes 3 are distributed on the upper surface of the reversing block 1 at equal angles, the positioning holes 3 and the clamping rods 14 form a clamping structure, and the positioning holes 3 and the clamping rods 14 are clamped, so that the relative position between the driven wheel 12 and the reversing block 1 is fixed.

The adjusting wheel 7 and the sliding tooth 8 form a sliding structure, the sliding tooth 8 and the adjusting wheel 7 form an elastic structure through the supporting spring 9, the sliding tooth 8 is extruded when the adjusting wheel 7 cannot rotate, and the sliding tooth 8 slides towards the inside of the adjusting wheel 7 and compresses the supporting spring 9.

The sliding tooth 8 and the fixture block 11 form a clamping structure, the fixture blocks 11 are distributed in the driving gear 10 at equal angles, and the sliding tooth 8 and the fixture blocks 11 are clamped to drive the driving gear 10 to rotate.

The driving gear 10 is engaged with the driven gear 12, the driven gear 12 and the reversing block 1 form a rotating structure, and the driving gear 10 rotates and drives the driven gear 12 to rotate through engagement with the driven gear 12.

The clamping rod 14 and the rotating rod 13 form a sliding structure, the clamping rod 14 and the rotating rod 13 form an elastic structure through the limiting spring 15, the clamping rod 14 slides and stretches the limiting spring 15, the clamping rod 14 is separated from the clamping with the positioning hole 3, and at the moment, the driven wheel 12 can rotate to change the communication relation between the feeding pipe 4 and the discharging pipe 5.

The working principle is as follows: when the multi-cavity multi-material runner reversing structure of the mold is used, in the normal injection molding process, as shown in fig. 1-6, a feeding pipe 4 on the outer surface of a reversing block 1 guides a molten injection molding material to a discharging pipe 5 through a guide chute 6, the discharging pipe 5 guides the molten injection molding material into a mold cavity to complete injection molding, when an injection molding channel needs to be adjusted, a clamping rod 14 slides upwards and stretches a limiting spring 15, the clamping rod 14 slides relative to a rotating rod 13 and is separated from clamping with a positioning hole 3, so that a driven wheel 12 can rotate, an adjusting wheel 7 rotates, the adjusting wheel 7 is clamped with a clamping block 11 through a sliding tooth 8 supported by a supporting spring 9, so that the sliding tooth 8 drives a driving gear 10 to rotate through the clamping block 11, the driving gear 10 drives the driven wheel 12 to rotate through meshing with the driven wheel 12, the driven wheel 12 drives the guide chute 6 to rotate, so that the relative positions of different guide chutes 6 and the feeding pipe 4 are changed, the other guide chute 6 guides the molten injection molding material injected from the feeding pipe 4 to the other discharging pipe 5, so that the material flow channel is reversed, when the clamping tooth 16 rotates to the position of the stop block 2 due to misoperation of a worker, the stop block 2 blocks the clamping tooth 16, so that the driven wheel 12 cannot rotate, and the condition that the molten injection molding material is sprayed out of the wrong discharging pipe 5 due to dislocation of the guide chute 6 and the feeding pipe 4 caused by over-rotation is avoided;

when the worker does not slide the clamping rod 14 upwards and the misoperation causes the adjusting wheel 7 to rotate, as shown in fig. 1-6, the adjusting wheel 7 drives the sliding tooth 8 to rotate, at the moment, the driven wheel 12 is limited by the clamping rod 14 and the positioning hole 3 and can not rotate, and the driving gear 10 meshed with the driven wheel 12 can not rotate, so that the sliding tooth 8 is extruded by the clamping block 11 to slide towards the inside of the adjusting wheel 7 and compress the supporting spring 9, the phenomenon that the adjusting wheel 7 forcibly drives the driven wheel 12 to rotate through the driving gear 10 to cause the breakage of the clamping tooth 16 is avoided, and the overall practicability 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 mould multicavity multiple material runner switching-over structure, includes switching-over piece (1), spacing spring (15) and latch (16), its characterized in that: the material feeding device is characterized in that a stop block (2) is arranged on the upper surface of the reversing block (1), a positioning hole (3) is formed in the upper surface of the reversing block (1) in advance, the outer side surface of the reversing block (1) is penetrated through by a material feeding pipe (4) and a material discharging pipe (5) respectively, an adjusting wheel (7) is arranged on the upper surface of the reversing block (1), a sliding tooth (8) is arranged on the outer surface of the adjusting wheel (7), a supporting spring (9) is connected between the sliding tooth (8) and the adjusting wheel (7), a driving gear (10) is connected to the outer surface of the adjusting wheel (7), a clamping block (11) is arranged on the inner surface of the driving gear (10), a driven wheel (12) is installed on the upper surface of the reversing block (1) in an embedded mode, the outer surface of the driven wheel (12) is penetrated through by a material guide groove (6), a rotating rod (13) is fixed on the upper surface of the driven wheel (12), and the outer surface of one end of the rotating rod (13) is penetrated by a clamping rod (14), and a limiting spring (15) is connected between the clamping rod (14) and the rotating rod (13), and clamping teeth (16) are arranged on the outer surface of the driven wheel (12).

2. The multi-cavity multi-material flow channel reversing structure of the mold according to claim 1, wherein: the positioning holes (3) are distributed on the upper surface of the reversing block (1) at equal angles, and the positioning holes (3) and the clamping rods (14) form a clamping structure.

3. The multi-cavity multi-material flow channel reversing structure of the mold according to claim 1, wherein: the adjusting wheel (7) and the sliding teeth (8) form a sliding structure, and the sliding teeth (8) and the adjusting wheel (7) form an elastic structure through a supporting spring (9).

4. The multi-cavity multi-material flow channel reversing structure of the mold according to claim 1, wherein: the sliding teeth (8) and the clamping blocks (11) form a clamping structure, and the clamping blocks (11) are distributed in the driving gear (10) at equal angles.

5. The multi-cavity multi-material flow channel reversing structure of the mold according to claim 1, wherein: the driving gear (10) is in meshed connection with the driven wheel (12), and the driven wheel (12) and the reversing block (1) form a rotating structure.

6. The multi-cavity multi-material flow channel reversing structure of the mold according to claim 1, wherein: the clamping rod (14) and the rotating rod (13) form a sliding structure, and the clamping rod (14) and the rotating rod (13) form an elastic structure through a limiting spring (15).