CN210969788U

CN210969788U - Oblique ejection mechanism for anti-sticking mold

Info

Publication number: CN210969788U
Application number: CN201921860046.5U
Authority: CN
Inventors: 汪霞光
Original assignee: Dongguan Teyi Mould Making Co ltd
Current assignee: Dongguan Teyi Mould Making Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-07-10
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to the technical field of mold processing, in particular to an anti-sticking oblique ejection mechanism, which comprises an insert, an oblique ejection head part, an oblique ejection seat and an oblique ejector rod, wherein the oblique ejection seat is provided with a mounting groove, the oblique ejector rod is obliquely arranged, one end of the oblique ejector rod is mounted in the mounting groove of the oblique ejection seat, the oblique ejection head part is fixed at the other end of the oblique ejector rod, one side surface of the oblique ejection head part is an inclined surface, the other side surface of the oblique ejection head part is a straight surface, the oblique ejection head part is provided with a first through groove, the insert is provided with a U groove, a pin is arranged in the U groove, two ends of the pin are respectively fixed on the inner walls of the first through groove of the oblique ejection head part, the insert is movably connected with the first through groove of the oblique ejection head part through the mutual cooperation of the U groove and the pin, and one side end of the insert extends out of the first through, and the mechanism is simple and convenient to operate, and can greatly improve the production efficiency when used for demoulding.

Description

Oblique ejection mechanism for anti-sticking mold

Technical Field

The utility model relates to a mould processing technology field, concretely relates to antiseized mould push up mechanism to one side.

Background

The mould is a common tool in the process of forming plastic products, and the plastic products with various forms can be injection-molded through the mould so as to meet the requirements of people. After the injection molding process is completed, core pulling treatment needs to be performed on the product to realize demolding.

The product is buckled and often need utilize the ejecting product of oblique top slant to realize the drawing of patterns when the position can not the drawing of patterns, to some needs the darker ejector pin complex products of position of bone, because the row position packing power that the ejector pin position is darker is great, the product can glue on the oblique top when the die sinking, leads to unable direct drawing of patterns, influences the production of moulding plastics of product greatly. At present, products are generally separated from slide positions in the industry through a manual piece taking mode or a mechanical arm piece taking mode, however, the injection molding cycle is affected by the manual piece taking mode or the mechanical arm piece taking mode, and the injection molding production efficiency of the products is low.

Therefore, there is a need in the industry for a solution to the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an antiseized mould's oblique top mechanism to prior art not enough. The purpose of the utility model can be realized by the technical scheme as follows.

An oblique jacking mechanism for preventing a mold from sticking comprises an insert, an oblique jacking head part, an oblique jacking seat and an oblique jacking rod, wherein the oblique jacking seat is provided with an installation groove, the inclined ejector rod is arranged in an inclined manner, one end of the inclined ejector rod is arranged in the mounting groove of the inclined ejector seat, the inclined ejector head is fixed at the other end of the inclined ejector rod, one side surface of the inclined ejector head is an inclined surface, the other side surface of the inclined top head part is a straight surface, the inclined top head part is provided with a first through groove, the first through groove penetrates through the inclined surface and the straight surface of the inclined top head part, the insert is provided with a U groove, a pin is arranged in the U groove in a penetrating manner, and two ends of the pin are respectively fixed on the inner walls of two sides of the first through groove of the inclined top head part, the insert is movably connected with the first through groove of the inclined top head part through the mutual matching of the U-shaped groove and the pin, and one side end of the insert extends out of the first through groove from one side of the straight surface of the inclined top head.

Preferably, one end of the oblique ejector rod, which is located in the oblique ejector seat mounting groove, is provided with a through hole, a positioning shaft penetrates through the through hole, and the oblique ejector rod is mounted in the mounting groove through the positioning shaft.

Preferably, the insert comprises an upper insert part and a lower insert part, and the upper insert part and the lower insert part are integrally molded.

Preferably, the U-shaped groove is formed in the joint of the upper insert part and the lower insert part, the two sides of the lower insert part are inclined planes, a limiting groove is formed in one end, close to the inclined plane of the pitched roof head, of the upper insert part, a first limiting block is correspondingly arranged on the pitched roof head, and the other end of the upper insert part is a straight surface.

Preferably, a second limiting block is arranged on the oblique ejector rod and provided with an oblique through groove, and the second limiting block is sleeved on the oblique ejector rod through the oblique through groove.

Preferably, the ejector pin plate further comprises an upper ejector pin plate and a lower ejector pin plate, the inclined ejector bases are fixed on the upper ejector pin plate, and the lower ejector pin plate and the bottom of the upper ejector pin plate are mutually covered.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a clinostatism mechanism of antiseized mould, when the production product of moulding plastics, the straight face of the oblique top head portion of this mechanism and the straight face of back mould overhead tank are in opposite directions, make the mold insert that stretches out outside first logical groove from the straight face of the oblique top head portion roof pressure the straight face cell wall of back mould, when carrying out the drawing of patterns earlier push up whole mechanism and move upwards through the injection molding machine, because the oblique ejector pin is the slope setting, the oblique ejector pin is pushing up and is moving to the upper left with its back mould that cooperates the injection moulding production product, under the straight face cell wall effort of back mould overhead tank, the mold insert keeps motionless in the horizontal direction, the pin that both ends are fixed at first logical groove inner wall slides to the left in the U inslot along with the oblique top head portion, at this moment mold insert and oblique top head portion produce relative motion, make the product of shaping on the mold insert with break away from the oblique top, injection molding machine continues the application of force and is pushing up whole mechanism upwards, after the oblique top, the mold insert no longer receives the reaction force of the straight-face groove wall of the rear mold top groove, the pin retreats to the original position in the U groove, and the mold insert moves upwards left along with the inclined top part at the moment, so that the mold release of the product ejected obliquely is realized, the product can be effectively prevented from being stuck on the inclined top to cause direct mold release, and the inclined top mechanism is simple and convenient to operate and is used for demolding, so that the production efficiency can be greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of an oblique-roof mechanism in an embodiment of the present invention.

Fig. 2 is a schematic structural view of the insert and the pin in the embodiment of the present invention.

Fig. 3 is a schematic structural view of the angle ejector head and the angle ejector rod in the embodiment of the present invention.

Fig. 4 is a schematic view of the lifter mechanism in an embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following specific embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

To the product of some needs the darker oblique top cooperation production of bone position, in order to solve because the darker oblique top packing power of bone position greatly causes the product to glue the problem on pushing up to one side, the utility model provides an oblique top mechanism of antiseized mould makes the mold insert that sets up in the first logical inslot of pushing up the head to one side produce relative motion in order to drive the product and break away from oblique top through the oblique top groove of cooperation back mould, then continues the ejecting product completion drawing of patterns of application of force again, and easy operation is convenient, can improve production efficiency greatly.

In order to better explain the technical scheme, technical terms related to industry in the technical scheme are explained. The insert is an irregular mold part specially used for being embedded in a mold and plays a role in fixing the space in the mold. The inclined top is a mechanism used for forming an internal barb of a product in the design of a die and has the function of inclined ejection at a place where a product buckle position cannot be demoulded.

An anti-sticking mold lifter mechanism is shown in fig. 1 to 4 and comprises an insert 1, a lifter head 2, a lifter base 3 and a lifter rod 4, wherein the lifter base 3 is provided with a mounting groove 31 for mounting the lifter rod 4. The inclined ejector rod 4 is obliquely arranged, and the inclined ejector rod 4 can adapt to obliquely ejecting products of the whole mechanism through oblique arrangement. One end of the inclined ejector rod 4 is installed in the installation groove 31 of the inclined ejector seat 3, the inclined ejector head part 2 is fixed at the other end of the inclined ejector rod 4, one side surface of the inclined ejector head part 2 is an inclined surface 21, the inclined surface 21 of the inclined ejector head part 2 is convenient to adapt to the mechanism to carry out inclined ejection of products, the other side surface of the inclined ejector head part 2 is a straight surface 22, and the straight surface 22 of the inclined ejector head part 2 is matched with the straight surface groove wall of the rear mold ejector groove 8. The inclined ejector head 2 is provided with a first through groove 23, the first through groove 23 penetrates through the inclined surface and the straight surface of the inclined ejector head 2, the insert 1 is provided with a U groove 11, a pin 12 penetrates through the U groove 11, two ends of the pin 12 are respectively fixed on the inner walls of two sides of the first through groove 23 of the inclined ejector head 2, the insert 1 is movably connected with the first through groove 23 of the inclined ejector head 2 through the mutual matching of the U groove 11 and the pin 12, namely the pin 12 is fixedly connected with the inclined ejector head 2, the insert 1 is matched with the pin 12 through the U groove 11, the first through groove 23 is in relative motion, and one side end of the insert 1 extends out of the first through groove 23 from one side of the straight surface of the inclined ejector head 2 to press the straight surface groove wall of the rear mold ejector groove 8.

Specifically, the oblique ejection mechanism for preventing the mold from being stuck provided in this embodiment is matched with product molding in the injection molding process, and obliquely ejects the product when demolding is performed after the injection molding is completed. As shown in fig. 4, in order to realize the function of the pitched roof, when a product is produced by injection molding, the straight surface 22 of the pitched roof head part 2 of the mechanism is opposite to the straight surface of the rear mold roof groove 8, so that the insert 1 extending out of the first through groove 23 from one side of the straight surface 22 of the pitched roof head part 2 is pressed against the straight groove wall of the rear mold 7. When demoulding is carried out, the whole mechanism is pushed to move upwards by the injection molding machine, the inclined ejector rod 4 is obliquely arranged, the inclined ejector rod 4 pushes a rear mold 7 matched with the inclined ejector rod to move towards the upper left, the insert 1 is kept still in the horizontal direction under the action of a straight-face groove wall of a rear mold ejector groove 8, pins 12 fixed at two ends of the inner wall of the first through groove 23 slide towards the left in the U groove 11 along with the inclined ejector head 2, at the moment, the insert 1 and the inclined ejector head 2 generate relative motion, so that a product formed on the insert 1 is separated from the inclined ejector, then the injection molding machine continuously applies force to push the whole mechanism upwards, after the inclined ejector head 2 is separated from the rear mold ejector groove 8, the insert 1 is not subjected to the action force of the straight-face groove wall of the rear mold ejector groove 8, the pins 12 retreat to the original position in the U groove 11, at the moment, the insert 1 moves towards the upper left along with the inclined ejector head 2, and the phenomenon that the product cannot be, and the mechanism is simple and convenient to operate, and can greatly improve the production efficiency when used for demoulding.

In the oblique ejecting mechanism for the anti-sticking mold provided in the embodiment, as shown in fig. 1, a through hole is formed in one end, located in the installation groove 31 of the oblique ejecting rod 4, of the oblique ejecting seat 3, a positioning shaft 24 penetrates through the through hole, the oblique ejecting rod 4 is installed in the installation groove 31 through the positioning shaft 24, the angle of the mechanism for ejecting a product can be adjusted by adjusting the positioning shaft 24, and the oblique ejecting mechanism is suitable for injection molding products of different molds.

In the mold-sticking-preventing pitched roof mechanism provided in this embodiment, as shown in fig. 2, the insert 1 includes an upper insert portion 13 and a lower insert portion 14, the upper insert portion 13 and the lower insert portion are integrally formed 14, so that the mold-sticking-preventing pitched roof mechanism is convenient to use, and the upper insert portion 13 and the lower insert portion 14 are prevented from being separated from each other by an external force. Specifically, the U-shaped groove 11 is formed at the joint of the upper insert part 13 and the lower insert part 14, inclined surfaces 16 are formed at two sides of the lower insert part 14 and are adapted to the obliquely arranged lifter rod 4, a limiting groove 17 is formed at one end of the upper insert part 13 close to the inclined surface of the obliquely-ejecting head part 2, and a first limiting block (not shown) is correspondingly arranged on the obliquely-ejecting head part 2 to prevent the insert 1 from separating from a predetermined moving position in a first through groove 23 of the obliquely-ejecting head part 2. The other end of the upper insert part 13 is a straight surface 15 for jacking the straight surface groove wall of the rear mold jacking groove 8, so that the product can be smoothly separated from the inclined roof under the action of the straight surface groove wall of the jacking groove, and demolding is facilitated.

The oblique ejection mechanism of antiseized mould that provides in this embodiment, as shown in fig. 1, be equipped with second stopper 5 on the ejector pin 4 to one side, second stopper 5 is equipped with oblique through groove, second stopper 5 passes through oblique through groove cover is located on the ejector pin 4 to one side, when carrying out the ejecting product of slant, second stopper 5 can prevent that ejector pin 4 from deviating the range too big and breaking away from predetermined track in the ejecting product of slant.

The utility model provides a pair of oblique thimble mechanism of antiseized mould, as shown in fig. 1, still include the thimble board, the thimble board includes thimble board 61 and lower thimble board 62, goes up thimble board 61 and provides the position for the installation of this mechanism, footstock 3 is fixed in go up thimble board last 61, down the thimble board 62 with the bottom of going up thimble board 61 covers each other, through this design, when carrying out ejecting product application of force, can to the application of force of lower thimble board 62, no longer directly to the 3 application of force of the oblique footstock of this mechanism, not to last thimble 61 application of force moreover, can not lead to the fact the influence to the position of oblique footstock 3, avoid the application of force to lead to the fact the damage to the structure of this mechanism.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims

1. An oblique jacking mechanism for preventing a mold from sticking is characterized by comprising an insert, an oblique jacking head part, an oblique jacking seat and an oblique jacking rod, the inclined top seat is provided with an installation groove, the inclined top rod is obliquely arranged, one end of the inclined top rod is installed in the installation groove of the inclined top seat, the inclined ejector head is fixed at the other end of the inclined ejector rod, one side surface of the inclined ejector head is an inclined surface, the other side surface of the inclined top head part is a straight surface, the inclined top head part is provided with a first through groove, the first through groove penetrates through the inclined surface and the straight surface of the inclined top head part, the insert is provided with a U groove, a pin is arranged in the U groove in a penetrating manner, and two ends of the pin are respectively fixed on the inner walls of two sides of the first through groove of the inclined top head part, the insert is movably connected with the first through groove of the inclined top head part through the mutual matching of the U-shaped groove and the pin, and one side end of the insert extends out of the first through groove from one side of the straight surface of the inclined top head.

2. The mold release mechanism according to claim 1, wherein a through hole is formed at an end of the slanted ejecting rod located in the slanted ejecting seat mounting groove, a positioning shaft is inserted into the through hole, and the slanted ejecting rod is mounted in the mounting groove through the positioning shaft.

3. The mold release ramp top mechanism of claim 1 wherein the insert comprises an upper insert portion and a lower insert portion, the upper insert portion and the lower insert portion being integrally formed.

4. The mold release-resistant pitched roof mechanism according to claim 3, wherein the U-shaped groove is provided at the junction of the upper insert part and the lower insert part, the two sides of the lower insert part are inclined surfaces, a limiting groove is provided at the end of the upper insert part close to the inclined surface of the pitched roof head, the pitched roof head is correspondingly provided with a first limiting block, and the other end of the upper insert part is a straight surface.

5. The oblique ejecting mechanism for preventing the mold from being stuck as claimed in claim 1, wherein a second limiting block is arranged on the oblique ejecting rod, the second limiting block is provided with an oblique through groove, and the second limiting block is sleeved on the oblique ejecting rod through the oblique through groove.

6. The mold release-resistant inclined ejector mechanism is characterized by further comprising an ejector plate, wherein the ejector plate comprises an upper ejector plate and a lower ejector plate, the inclined ejector seat is fixed on the upper ejector plate, and the lower ejector plate and the bottom of the upper ejector plate are mutually covered.