CN218488967U

CN218488967U - Water gap separation injection mold

Info

Publication number: CN218488967U
Application number: CN202222015176.7U
Authority: CN
Inventors: 杨鹏; 李超; 周亮
Original assignee: Gree Electric Appliances Inc of Zhuhai; Gree Wuhan Electric Appliances Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Gree Wuhan Electric Appliances Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-02-17
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a nozzle separation injection mold, which comprises a movable mold fixing plate, a movable mold plate and a thimble fixing structure; a product thimble; a nozzle tip; a drive member. The utility model discloses a mouth of a river separation injection mold, utilize the driving piece to drive mouth of a river ejecting piece can with thimble fixed knot construct relative movement, when the drawing of patterns is carried out at product and mouth of a river, the product thimble is ejecting earlier with the product, and mouth of a river ejecting piece makes the mouth of a river motionless for the movable mould board, relative movement between product and the mouth of a river makes product and mouth of a river separation this moment, then thimble fixed knot constructs and continues to drive product thimble and mouth of a river ejecting piece and remove and make product and mouth of a river all accomplish the drawing of patterns, the problem that needs the manual work to carry out product and mouth of a river separation and cause among the prior art is low and with high costs has been overcome, realize automated production, and the production efficiency is improved.

Description

Water gap separation injection mold

Technical Field

The utility model relates to a production facility technical field, more specifically the saying so, it relates to a mouth of a river separation injection mold.

Background

In the production process of the existing injection products, a runner is adopted to send materials into a cavity to form a product, and then the product in the cavity and a water gap in the runner are synchronously demoulded, as shown in figure 1, 1 is a product (a remote controller receiving window) and 2 is a water gap; however, when the nozzle connected to the product is manually broken by staff, because the manual operation is adopted, the manual operation and the mechanical path are different, some nozzles have residual nozzle materials after being manually broken, and the residual nozzle materials need to be repaired by an art designer knife, and the product is scrapped because the nozzles are broken by hands or the appearance surface of a receiving window of a remote controller is damaged by the art designer knife; the production quantity of the product is large, the working mode not only has large labor intensity for manual selection, but also discards the product and damage, wastes labor cost and increases production cost caused by discarding.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a mouth of a river separation injection mold has solved and has needed artifical separation product and mouth of a river and cause the low and with high costs problem of production efficiency among the prior art.

The utility model discloses a mouth of a river separation injection mold, including movable mould fixed plate and movable mould board, still include:

the thimble fixing structure is movably arranged between the movable mould fixing plate and the movable mould plate;

the product ejector pin is arranged on the ejector pin fixing structure, and the ejector pin fixing structure can drive the product ejector pin to protrude out of the movable template so as to eject a product;

the nozzle top piece is arranged on the thimble fixing structure, and the thimble fixing structure can drive the nozzle top piece to protrude out of the movable template so as to eject a nozzle;

the driving piece is connected to the water gap ejecting piece, the driving piece can enable the water gap ejecting piece to move towards the movable mould fixing plate, and when the ejector pin fixing structure is far away from the movable mould fixing plate, the driving piece can enable the water gap ejecting piece and the ejector pin fixing structure to move relatively.

The ejector pin fixing structure is characterized in that a sliding cavity is formed in the ejector pin fixing structure, part of the nozzle ejector piece is located in the sliding cavity, the driving piece is arranged in the sliding cavity, and the driving piece is connected to the nozzle ejector piece in the sliding cavity.

The driving piece comprises a spring, a bulge is formed on the water gap top piece and movably arranged in the sliding cavity, the spring is sleeved on the water gap top piece, one end of the spring is abutted to the bulge, and the other end of the spring is abutted to the end face, far away from the movable mold fixing plate, of the sliding cavity.

The nozzle top piece is provided with a first end and a second end which are opposite, the first end is used for ejecting the nozzle, the second end protrudes out of the ejector pin fixing structure, and the second end can be abutted with the movable mold fixing plate so that the spring is compressed.

The ejector pin fixing structure comprises an ejector pin base plate, the ejector pin base plate is located between the movable mold fixing plate and the movable mold plate, the product ejector pin is abutted to the ejector pin base plate, the water gap top piece is movably arranged on the ejector pin base plate, a first groove is formed in the ejector pin base plate, the first groove forms part of the sliding cavity, the protrusion is movably arranged in the first groove, and the second end of the water gap top piece protrudes out of the ejector pin base plate.

The thimble fixing structure further comprises a thimble panel, the thimble panel is arranged on the side face, facing the movable mould plate, of the thimble bottom plate, the product thimble is arranged in the thimble panel, a second groove is formed in the thimble panel, the first groove and the second groove are mutually communicated to form the sliding cavity, and the spring is arranged in the second groove.

The water gap top piece comprises a water gap ejector pin and a supporting pin, the joint of the water gap ejector pin and the supporting pin forms the protrusion, the water gap ejector pin is arranged in the ejector pin panel, and the supporting pin is movably arranged on the ejector pin bottom plate.

The end part of the supporting needle is provided with a supporting needle cup head, and the water gap thimble is abutted to the supporting needle cup head.

The maximum distance between the protrusion and the bottom surface of the first groove ranges from 3mm to 10mm.

The nozzle separation injection mold further comprises a guide piece, the guide piece is arranged between the movable mold fixing plate and the movable mold plate, the ejector pin fixing structure is movably arranged on the guide piece, and the driving direction of the driving piece is parallel to the guiding direction of the guide piece.

The utility model discloses a mouth of a river separation injection mold, utilize the driving piece to drive mouth of a river ejecting piece can with thimble fixed knot construct relative movement, when the drawing of patterns is carried out at product and mouth of a river, the product thimble is ejecting earlier with the product, and mouth of a river ejecting piece makes the mouth of a river motionless for the movable mould board, relative movement between product and the mouth of a river makes product and mouth of a river separation this moment, then thimble fixed knot constructs and continues to drive product thimble and mouth of a river ejecting piece and remove and make product and mouth of a river all accomplish the drawing of patterns, the problem that needs the manual work to carry out product and mouth of a river separation and cause among the prior art is low and with high costs has been overcome, realize automated production, and the production efficiency is improved.

Drawings

FIG. 1 is a schematic view of a prior art product and nozzle configuration;

fig. 2 is a schematic structural view of a nozzle split injection mold according to an embodiment of the present invention;

FIG. 3 is a partial schematic view at A of FIG. 2;

fig. 4 is another schematic structural view of a nozzle split injection mold according to an embodiment of the present invention;

FIG. 5 is a partial schematic view of FIG. 3 at B;

fig. 6 is another schematic structural view of a nozzle split injection mold according to an embodiment of the present invention;

FIG. 7 is a partial schematic view at C of FIG. 5;

legend: 1. a product; 2. a water gap; 10. a movable mold fixing plate; 20. moving the template; 30. a thimble fixing structure; 40. a product thimble; 50. a nozzle top; 60. a drive member; 31. a thimble base plate; 32. a first groove; 33. a thimble panel; 34. a second groove; 51. a protrusion; 52. a water gap thimble; 53. supporting a needle; 70. a guide member.

Detailed Description

The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.

As shown in fig. 2 to 7, the utility model discloses a mouth of a river separation injection mold, including movable mould fixed plate 10 and movable mould board 20, still include: the thimble fixing structure 30, the thimble fixing structure 30 is movably arranged between the movable die fixing plate 10 and the movable die plate 20; the product ejector pins 40 are arranged on the ejector pin fixing structure 30, and the ejector pin fixing structure 30 can drive the product ejector pins 40 to protrude out of the movable mold plate 20 so as to eject a product; the nozzle top piece 50 is arranged on the ejector pin fixing structure 30, and the ejector pin fixing structure 30 can drive the nozzle top piece 50 to protrude out of the movable template 20 so as to eject the nozzle; and a driving unit 60, wherein the driving unit 60 is connected to the nozzle tip 50, the driving unit 60 is capable of moving the nozzle tip 50 toward the movable mold fixing plate 10, and when the ejector pin fixing structure 30 is far away from the movable mold fixing plate 10, the driving unit 60 is capable of relatively moving the nozzle tip 50 and the ejector pin fixing structure 30.

Utilize driving piece 60 to drive mouth of a river top 50 can with thimble fixed knot construct 30 relative movement, when product and mouth of a river demould, product thimble 40 is ejecting earlier with the product, and mouth of a river top 50 makes the mouth of a river motionless for movable mould board 20, the relative movement between product and the mouth of a river makes product and mouth of a river separation this moment, then thimble fixed knot constructs 30 and continues to drive product thimble 40 and mouth of a river top 50 and remove and make product and mouth of a river all accomplish the drawing of patterns, the problem that needs the manual work to carry out product and mouth of a river separation and the production efficiency that causes is low and with high costs has been overcome in the prior art, realize automated production, and the production efficiency is improved.

When the injection molding machine is used, the water gap separation injection mold is firstly subjected to die assembly injection molding, when the injection molding is completed and the demolding is carried out, the movable mold plate 20 and the movable mold fixing plate 10 are far away from the fixed mold part, the ejector rod of the injection molding machine penetrates through the movable mold fixing plate 10 to enable the ejector pin fixing structure 30 to move towards the movable mold plate 20, at the moment, the product ejector pin 40 protrudes out of the movable mold plate 20 under the driving of the ejector pin fixing structure 30 to demold the product, and meanwhile, the driving piece 60 controls the water gap top piece 50 and the ejector pin fixing structure 30 to move relatively to keep the water gap and the movable mold plate 20 relatively static, namely, the product and the water gap generate relative movement to realize the separation of the product and the water gap;

then, the ejector rod of the injection molding machine continues to drive the ejector pin fixing structure 30 to move, at this time, the driving part 60 cannot continue to drive the nozzle top piece 50 and the ejector pin fixing structure 30 to move relatively, the nozzle top piece 50 protrudes out of the movable mold plate 20 under the driving of the ejector pin fixing structure 30 to demold the nozzle, and finally, the demolding of the product and the nozzle is completed, so that the next injection molding is convenient to use, and fig. 2 is a schematic structural diagram in mold closing and injection molding; FIG. 4 is a schematic view of the first ejection; fig. 6 is a schematic structural view during the second ejection.

During the mold closing process of the nozzle separation injection mold, the nozzle top piece 50 is forced to move relative to the ejector pin fixing structure 30, so that the driving piece 60 can drive the nozzle top piece 50 to move again, and the separation of the product and the nozzle is realized during the next demolding.

Specifically, a sliding cavity is provided in the ejector pin fixing structure 30, a part of the nozzle ejector 50 is located in the sliding cavity, the driving member 60 is disposed in the sliding cavity, and the driving member 60 is connected to the nozzle ejector 50 in the sliding cavity. By driving in the sliding chamber, the arrangement of the driving member 60 is facilitated while ensuring a reliable movement of the nozzle tip 50.

Preferably, the driving member 60 includes a spring, a protrusion 51 is formed on the nozzle top 50, the protrusion 51 is movably disposed in the sliding cavity, the spring is sleeved on the nozzle top 50, one end of the spring abuts against the protrusion 51, and the other end of the spring abuts against an end surface of the sliding cavity far away from the movable mold fixing plate 10. The spring can accumulate the elastic force to be the trend that the nozzle top piece 50 moves towards the movable mould fixing plate 10, when the driving piece 60 controls the nozzle top piece 50 and the thimble fixing structure 30 to move relatively and keep the relative rest between the nozzle and the movable mould plate 20, the spring gradually releases the elastic force and gradually recovers the length, the moving distance of the thimble fixing structure 30 is offset by the change of the length of the spring, so that the nozzle top piece 50 is kept not to move, when the bulge 51 is abutted on the end face of the sliding cavity close to the movable mould fixing plate 10, the thimble fixing structure 30 starts to drive the nozzle top piece 50 to move, so that the nozzle top piece 50 protrudes out of the movable mould plate 20 to eject the nozzle, and demoulding is completed.

The nozzle tip 50 has a first end and a second end opposite to each other, the first end is used for ejecting the nozzle, the second end protrudes from the needle fixing structure 30, and the second end can be abutted with the movable mold fixing plate 10 to compress the spring. During the mold clamping process, the second end abuts on the movable mold fixing plate 10, and as the distance between the pin fixing structure 30 and the movable mold fixing plate 10 gradually decreases, the gate top 50 gradually moves toward the movable mold plate 20, and at this time, the protrusion 51 gradually compresses the spring to accumulate the elastic force of the spring. And in the demoulding process, the second end is gradually far away from the movable mould fixing plate 10, so that the spring can release the elastic force and recover the length, and when the thimble fixing structure 30, the product thimble 40 and the product move towards the direction far away from the movable mould fixing plate 10, the spring gradually recovers the length to offset the movement of the thimble fixing structure, the product thimble 40 and the product, so that the water gap is kept relatively still on the movable mould plate 20, and the separation of the product and the water gap is completed.

The thimble fixing structure 30 includes a thimble base plate 31, the thimble base plate 31 is located between the movable mold fixing plate 10 and the movable mold plate 20, the product thimble 40 abuts on the thimble base plate 31, the nozzle top 50 is movably disposed on the thimble base plate 31, a first groove 32 is formed on the thimble base plate 31, the first groove 32 forms part of the sliding cavity, the protrusion 51 is movably disposed in the first groove 32, and the second end of the nozzle top 50 protrudes out of the thimble base plate 31.

The thimble fixing structure 30 further includes a thimble panel 33, the thimble panel 33 is disposed on the side of the movable die plate 20 facing the thimble base plate 31, the product thimble 40 is disposed in the thimble panel 33, a second groove 34 is formed on the thimble panel 33, the first groove 32 and the second groove 34 are mutually communicated to jointly form the sliding cavity, and the spring is disposed in the second groove 34.

In the clamped state, the spring is compressed in the second recess 34, with the projection 51 at a distance from the bottom of the first recess 32. In the demolding process, the second end is far away from the movable mold fixing plate 10, so that the elastic force of the spring can press the protrusion 51 into the first groove 32 until the end face of the protrusion 51 abuts against the bottom face of the first groove 32.

In order to facilitate the installation of the nozzle top 50, the nozzle top 50 includes a nozzle thimble 52 and a supporting needle 53, the joint of the nozzle thimble 52 and the supporting needle 53 forms the protrusion 51, the nozzle thimble 52 is disposed in the thimble panel 33, and the supporting needle 53 is movably disposed on the thimble base plate 31. During installation, the supporting pin 53 is placed in the first groove 32, the spring is sleeved on the nozzle top piece 50, then the nozzle top piece 50 is arranged in the second groove 34, the ejector pin base plate 31 and the ejector pin panel 33 are spliced, at this time, the first groove 32 and the second groove 34 are communicated, and the nozzle ejector pin 52 and the supporting pin 53 are connected with each other to form the nozzle top piece 50.

The end of the supporting needle 53 is provided with a supporting needle cup head, and the water gap thimble 52 is abutted to the supporting needle cup head. Specifically, the cross section of the needle supporting cup head is the same as that of the first groove 32, so that the needle support 53 is prevented from being incapable of reliably supporting the nozzle thimble 52, and reliable separation of a product from a nozzle is ensured.

The maximum distance between the protrusion 51 and the bottom surface of the first groove 32 ranges from 3mm to 10mm. That is, in the demolding process, after the product ejector pin 40 moves the maximum distance, the nozzle top piece 50 starts to move, so that a height difference with the same size as the maximum distance is formed between the product and the nozzle, and the product and the nozzle are separated. Taking the maximum distance as 5mm as an example, in the process of demolding, when the product ejector pin 40 moves 5mm, the product is also separated by 5mm, at this time, the distance between the protrusion 51 on the nozzle ejector piece 50 and the bottom surface of the first groove 32 is changed from 5mm to 0mm, that is, the protrusion 51 is abutted to the bottom surface of the first groove 32, the product ejector pin 40 and the nozzle ejector pin 52 continue to move under the effect of the ejector pin fixing structure 30 at the same time, so that demolding of the product and the nozzle is realized, because the product is demolded by 5mm first, the separation between the product and the nozzle can be completed by 5mm, and therefore, the purpose of automatic production separation is realized.

The nozzle separation injection mold further comprises a guide 70, the guide 70 is disposed between the movable mold fixing plate 10 and the movable mold plate 20, the ejector pin fixing structure 30 is movably disposed on the guide 70, and a driving direction of the driving member 60 is parallel to a guiding direction of the guide 70.

It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. The utility model provides a mouth of a river separation injection mold, includes movable mould fixed plate (10) and movable mould board (20), its characterized in that still includes:

the thimble fixing structure (30), the thimble fixing structure (30) is movably arranged between the movable mould fixing plate (10) and the movable mould plate (20);

the product ejector pin (40) is arranged on the ejector pin fixing structure (30), and the ejector pin fixing structure (30) can drive the product ejector pin (40) to protrude out of the movable template (20) so as to eject a product;

the nozzle top piece (50) is arranged on the ejector pin fixing structure (30), and the ejector pin fixing structure (30) can drive the nozzle top piece (50) to protrude out of the movable template (20) so as to eject a nozzle;

the driving part (60) is connected to the nozzle ejector (50), the driving part (60) can enable the nozzle ejector (50) to move towards the movable mold fixing plate (10), and when the ejector pin fixing structure (30) is far away from the movable mold fixing plate (10), the driving part (60) can enable the nozzle ejector (50) and the ejector pin fixing structure (30) to move relatively.

2. Nozzle split injection mould according to claim 1, wherein a sliding cavity is provided in said needle holding structure (30), part of said nozzle tip (50) is located in said sliding cavity, said driving member (60) is provided in said sliding cavity, and said driving member (60) is connected to said nozzle tip (50) in said sliding cavity.

3. The nozzle separation injection mold according to claim 2, wherein the driving member (60) comprises a spring, a protrusion (51) is formed on the nozzle top member (50), the protrusion (51) is movably disposed in the sliding cavity, the spring is sleeved on the nozzle top member (50), one end of the spring is disposed in abutment with the protrusion (51), and the other end of the spring is in abutment with an end surface of the sliding cavity far away from the movable mold fixing plate (10).

4. Nozzle split injection mould according to claim 3, wherein said nozzle top piece (50) has opposite first and second ends, said first end for ejecting the nozzle, said second end protruding said needle fixing structure (30) and said second end being capable of abutting said movable mould fixing plate (10) to cause said spring to be compressed.

5. The sprue gate-separating injection mold according to claim 4, wherein the ejector pin fixing structure (30) comprises an ejector pin base plate (31), the ejector pin base plate (31) is located between the movable mold fixing plate (10) and the movable mold plate (20), the product ejector pins (40) abut against the ejector pin base plate (31), the sprue gate top (50) is movably disposed on the ejector pin base plate (31), a first groove (32) is formed on the ejector pin base plate (31), the first groove (32) forms part of the sliding cavity, the protrusion (51) is movably disposed in the first groove (32), and the second end of the sprue gate top (50) protrudes out of the ejector pin base plate (31).

6. The mold for separating water gap injection molding according to claim 5, wherein the needle fixing structure (30) further comprises a needle panel (33), the needle panel (33) is disposed on a side surface of the needle base plate (31) facing the movable mold plate (20), the product needle (40) is disposed in the needle panel (33), a second groove (34) is formed on the needle panel (33), the first groove (32) and the second groove (34) are communicated with each other to jointly form the sliding cavity, and the spring is disposed in the second groove (34).

7. The sprue gate-split injection mold according to claim 6, wherein the sprue top (50) comprises a sprue needle (52) and a carrier needle (53), a junction of the sprue needle (52) and the carrier needle (53) forms the protrusion (51), the sprue needle (52) is disposed in the ejector pin plate (33), and the carrier needle (53) is movably disposed on the ejector pin base plate (31).

8. Nozzle split injection mould according to claim 7, characterized in that the end of the needle carrier (53) is provided with a needle carrier (53) cup, the nozzle needle (52) abutting against the needle carrier (53) cup.

9. Nozzle split injection mould according to claim 5, wherein the maximum distance between the protrusion (51) and the bottom surface of the first groove (32) is in the range of 3mm to 10mm.

10. The gate split injection mold according to claim 1, further comprising a guide (70), wherein the guide (70) is disposed between the movable mold fixing plate (10) and the movable mold plate (20), the needle fixing structure (30) is movably disposed on the guide (70), and a driving direction of the driving member (60) and a guiding direction of the guide (70) are parallel to each other.