CN214137098U - Ejector sleeve exhaust ejection mechanism with inner package and outer package rubber injection - Google Patents

Abstract

The utility model discloses an department section of thick bamboo exhaust ejection mechanism of endocyst outsourcing glue injection, including lower base, lateral part and upper base, the symmetry is equipped with the ejector pin hole on the base, is equipped with the ejector pin in the ejector pin hole, and the ejector pin top is connected and is equipped with little faller, and the top surface symmetry of little faller is equipped with the faller apical pore, and faller apical pore in-connection is equipped with the faller apical piece, and faller apical piece top contact is equipped with big faller, and the symmetry is equipped with big faller thimble through-hole on the big faller direction of height, is equipped with the thimble in the thimble through-hole, and the upper base is equipped with upper base thimble through-hole at thimble position symmetry, and the thimble top is connected and is equipped with the roof the department section of thick bamboo is equipped with in the injection hole of big faller, little faller and upper base. The ejector sleeve exhaust ejection mechanism for internally wrapping and externally wrapping glue injection of the utility model has the advantages that the ejector sleeve is ejected out of the exhaust mechanism twice, so that the exhaust performance is better, the internal stress is removed, and no pit is formed in the middle; meanwhile, the surface A of the product is smoother and has consistent texture.

Description

Ejector sleeve exhaust ejection mechanism with inner package and outer package rubber injection

Technical Field

The utility model relates to an automobile parts production, especially an department's section of thick bamboo exhaust ejection mechanism of endocyst outsourcing glue injection.

Background

The inner package of the automobile is often provided with a screw column and a welding column structure on the product design, and for the products, a barrel mechanism is usually used for realizing the forming on the design of an injection mold; at present, when a glue injection and discharging mechanism of a ejector sleeve is designed, a product is ejected out of a thimble and the ejector sleeve simultaneously; the ejection mechanism has the defects that the thickness of an injection wall is required to be thick enough in the ejection design, if the injection wall is thin, the A surface is easy to be ejected, a pit is formed in the middle, and the exhaust effect is poor. For example, the chinese patent document discloses a cartridge structure, whose publication No. CN 205997288U. The ejector core is arranged in the ejector tube, the ejector tube is arranged at the head of the ejector tube sleeve, the ejector tube and the ejector tube sleeve can be ejected out together, the spring is arranged in the ejector tube sleeve, one end of the spring is fixed on the die bottom plate and sleeved on the ejector core, and the ejector tube sleeve is arranged on the die bottom plate; however, the ejector mechanism has the disadvantage that although the service life of the ejector mechanism can be prolonged, the ejector mechanism is still designed to be ejected together, so that the ejector mechanism is easy to be lifted and sunk.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome prior art and glue when annotating the wall thin, the poor problem of A face top height, middle pit and scheduling effect appears easily, provide one kind and effectively get rid of the internal stress, the smooth texture of A face is unanimous, does not have the pit in the middle of, arranges the department's section of thick bamboo exhaust ejection mechanism that effectual endocyst outsourcing was glued and is annotated.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an department's section of thick bamboo exhaust ejection mechanism of endocyst outsourcing glue notes, is including lower base, lateral mass and the upper base that is used for the mechanism installation, characterized by, the base symmetry be equipped with the ejector pin hole in the direction of height, the ejector pin downthehole ejector rod that all is equipped with, ejector rod top connect and be equipped with little faller, the top surface symmetry of little faller is equipped with the faller apical pore, faller apical pore in-connection be equipped with the faller apical piece, faller apical piece top contact be equipped with big faller, big faller direction of height on the symmetry be equipped with big faller thimble through-hole, the thimble through-hole in be equipped with the thimble, the upper base be equipped with upper base thimble through-hole at thimble position symmetry, thimble top connection be equipped with the roof, base bottom surface center be equipped with the hole of moulding plastics, big faller, little faller and upper base bottom surface center all, The small needle plate and the injection molding hole of the upper base are internally provided with an ejector sleeve, the center of the bottom surface of the top plate is provided with an insertion block, the top of the ejector sleeve is provided with an insertion block socket, and the insertion block is inserted in the insertion block socket; when the ejector sleeve ejection exhaust mechanism in the prior art is used, the ejector pin and the ejector sleeve are ejected simultaneously, so that the exhaust effect is poor in the use process, and the surface of an injection molding body is not smooth enough; in addition, stress concentration can occur inside, so that pits can occur inside; the utility model has the advantages that the large and small needle plates are ejected for the first time, so that a gap is generated between the ejector sleeve and the injection molding body, the discharged gas is more sufficient, and the processed surface is smoother; when ejecting for the second time, only with big faller and roof ejecting, the injection molding breaks away from the mould completely, can eliminate stress concentration simultaneously, the condition such as pit can not appear for final fashioned product quality is higher.

Preferably, the needle plate top block is a nylon buckle, and the large needle plate is provided with a nylon buckle insertion opening at the position corresponding to the nylon buckle; relative shake does not take place between big faller and the little faller at ejecting in-process of first time needs to guarantee, otherwise can influence final fashioned quality, and when ejecting for the second time, will make big faller can rebound again, so set up a nylon fastener, when ejecting for the first time, big faller can not and the little faller between take place relative movement, and when ejecting for the second time, the nylon fastener atress is too big can drop again, accomplishes twice ejecting process.

Preferably, the spring is sleeved on the ejection rod, only the small needle plate is ejected during the first ejection, and the required force does not need to be large, so that the spring is sleeved on the ejection rod, the spring is released during the first ejection to eject the small needle plate, and the whole mechanism is ejected upwards while the locking of the nylon buckle is not influenced.

Preferably, the ejection rod is a limit screw, a step surface is arranged in the ejection hole, and a screw head of the limit screw is arranged on the step surface; during the second ejection, the small needle plate is ensured not to move upwards, in order to ensure the normal work of the mechanism, a step surface is arranged in the ejection hole, the head of the positioning screw is not contacted with the step surface in the initial state, after the first ejection, the head of the screw is contacted with the step surface, and the head of the screw and the small needle plate are kept still together in the second ejection.

Preferably, the small needle plate comprises an upper small needle plate and a lower small needle plate, the lower small needle plate is provided with a screw hole at a position corresponding to the limit screw, and the needle plate top hole is arranged at a position corresponding to the needle plate top block of the upper small needle plate; the upper part of the small needle plate is used for fixing the needle plate ejector block in the using process, and the lower part of the small needle plate is used for fixing the limiting screw, so that the small needle plate is arranged into an upper small needle plate and a lower small needle plate which are fixedly connected in the using process, and the replacement of a mold is convenient.

Preferably, the injection molding hole is arranged in the upper small needle plate, and the bottom surface of the upper small needle plate is provided with a sleeve limiting hole; when setting up the department section of thick bamboo, only set up the department section of thick bamboo in last small needle board department, lower small needle board does not set up the department section of thick bamboo, passes the department section of thick bamboo spacing hole and the through-hole of department section of thick bamboo of last small needle board earlier, will go up lower small needle board fixed connection again together, realize the sealed of department section of thick bamboo and fix.

Preferably, the large needle plate comprises an upper large needle plate and a lower large needle plate, and the lower large needle plate is provided with a small needle plate insertion opening matched with the small needle plate; when the needle plate protective device is used, the small needle plate is exposed outside, the sealing performance of the small needle plate can be influenced due to external reasons, and external sundries can fall on the contact surface, so that the large needle plate is arranged into an upper large needle plate and a lower large needle plate, the lower large needle plate wraps the small needle plate, and a certain protective effect is achieved on the small needle plate.

Therefore, the utility model discloses following beneficial effect has: (1) the ejection is performed twice, so that the exhaust performance is better; (2) removing internal stress to ensure that no pit is formed in the middle; (3) the surface A of the product is beautiful and smooth, and the texture is consistent.

Drawings

FIG. 1 is a schematic structural view of a ejector sleeve exhaust ejection mechanism with inner and outer packages coated with glue

FIG. 2 is a schematic structural view before ejection in example 1;

FIG. 3 is a schematic view of the first ejection in embodiment 1;

fig. 4 is a schematic structural view at the time of the second ejection in embodiment 1.

1, a lower base; 2, side block; 3, an upper base; 4, ejecting a hole; 5, a limit screw; 6, a small needle plate; 7, pushing holes on the needle plate; 8, nylon buttons; 9, a large needle plate; 10, a large needle plate thimble through hole; 11, a thimble; 12, an upper base thimble through hole; 13, a top plate; 14, injection molding holes; 15, a driver barrel; 16, inserting blocks; 17, a plug socket; 18, nylon fastener insertion openings; 19, a spring; 20, a step surface; 601, mounting a small needle plate; 602, a small needle plate is arranged; 603, screw holes; 604, a sleeve limiting hole; 901, a large needle plate is arranged; and 902, a big needle plate is arranged at the bottom.

Detailed Description

The following provides a further description of embodiments of the present invention by way of examples and with reference to the accompanying drawings.

Example 1

As shown in embodiment 1 of fig. 1, an ejector sleeve exhaust ejection mechanism with an inner bag coated with glue comprises a lower base 1, a side block 2 and an upper base 3 for mechanism installation, wherein the base is symmetrically provided with ejection holes 4 in the height direction, the ejection holes are internally provided with ejection rods, the ejection rods are sleeved with springs 19 and are provided with limit screws 5, the ejection holes are internally provided with step surfaces 20, screw heads of the limit screws are arranged on the step surfaces, the tops of the ejection rods are connected with small needle plates 6, the top surfaces of the small needle plates are symmetrically provided with needle plate ejection holes 7, each small needle plate comprises an upper small needle plate 601 and a lower small needle plate 602, the lower small needle plate is provided with a screw hole 603 at the corresponding position of the limit screw, the needle plate ejection holes are arranged at the corresponding position of the needle plate ejection block of the upper small needle plate, and injection molding holes are arranged in the upper small needle plate, the upper small needle plate bottom surface is provided with an ejector sleeve limiting hole 604, a needle plate top block is arranged in the needle plate top hole in a connecting mode, the needle plate top block is a nylon buckle 8, a nylon buckle socket 18 is arranged at the position corresponding to the nylon buckle of the large needle plate, a large needle plate 9 is arranged at the top of the needle plate top block in a contacting mode, the large needle plate comprises an upper large needle plate 901 and a lower large needle plate 902, the lower large needle plate is provided with a small needle plate socket matched with the small needle plate, large needle plate thimble through holes 10 are symmetrically arranged in the height direction of the large needle plate, thimbles 11 are arranged in the thimble through holes, the upper base is provided with upper base thimble through holes 12 in the thimble position symmetry, the top of the thimbles is connected with a top plate 13, an injection molding hole 14 is arranged at the center of the base bottom surface, injection molding holes are arranged at the centers of the large needle plate, the small needle plate and the upper base, an ejector sleeve 15 is arranged in the injection holes of the large needle plate, the small needle plate and the upper base, the center of the bottom surface of the top plate is provided with an insertion block 16, the top of the ejector sleeve is provided with an insertion block socket 17, and the insertion block is inserted in the insertion block socket.

When the injection molding machine is used, after the injection molding process is completed, the upper small needle plate and the lower small needle plate are both positioned at the bottom end and are contacted with the lower base, when the injection molding process is performed for the first time, the spring is released and is ejected upwards, the upper small needle plate, the lower small needle plate, the nylon fastener and the internal ejector sleeve are all driven upwards for a small distance, the nylon fastener drives the upper large needle plate and the lower large needle plate to move for the same distance, the internal ejector pins are also driven for the same distance, the internal injection molded cylinder part is separated from the mold core, a gap is formed between the ejector sleeve and the cylinder, and the ejector sleeve starts to exhaust; after the exhaust is finished, the mechanism ejects for the second time, at the moment, the upper small needle plate and the lower small needle plate cannot be ejected out under the action of the limiting screws, and the nylon buckle and the ejector sleeve at the top cannot be ejected out and both keep static; go up big faller and big faller down and communicate the needle top and all upwards ejecting, the roof breaks away from the roof socket, holistic cylinder of moulding plastics this moment breaks away from the core completely to accomplish ejecting exhaust process, compare prior art ejecting device simultaneously in proper order, divide twice ejecting can make the exhaust effect better, get rid of the internal stress, the middle pit of this case that can not go out makes the processing rear surface more smooth simultaneously.

Claims (7)

1. An ejector sleeve exhaust ejection mechanism with an inner package and an outer package for glue injection comprises a lower base (1), a side block (2) and an upper base (3) which are used for mechanism installation, and is characterized in that ejection holes (4) are symmetrically arranged on the base in the height direction, ejection rods are arranged in the ejection holes, small needle plates (6) are connected to the tops of the ejection rods, needle plate ejection holes (7) are symmetrically arranged on the top surfaces of the small needle plates, needle plate ejection blocks are connected in the needle plate ejection holes and provided with large needle plates (9) in contact with the tops of the needle plate ejection blocks, large needle plate thimble through holes (10) are symmetrically arranged in the height direction of the large needle plates, thimbles (11) are arranged in the thimble through holes, the upper base is symmetrically provided with upper base thimble through holes (12) in the positions of the thimbles, the tops of the thimbles are connected and provided with a top plate (13), and an injection molding hole (14) is arranged in the center of the bottom surface of the base, the injection molding machine is characterized in that injection molding holes are formed in the centers of the bottom surfaces of the large needle plate, the small needle plate and the upper base, ejector sleeves (15) are arranged in the injection molding holes of the large needle plate, the small needle plate and the upper base, insertion blocks (16) are arranged in the center of the bottom surface of the top plate, insertion block insertion holes (17) are formed in the top of the ejector sleeves, and the insertion blocks are inserted into the insertion block insertion holes.

2. The ejector sleeve exhaust ejection mechanism with the inner bag covered with the outer bag and the glue injection as claimed in claim 1, wherein the needle plate ejector block is a nylon buckle (8), and the large needle plate is provided with a nylon buckle insertion opening (18) at a position corresponding to the nylon buckle.

3. The ejector sleeve exhausting and ejecting mechanism for internally and externally wrapping glue injection as claimed in claim 1, wherein the ejector rod is sleeved with a spring (19).

4. The ejector sleeve exhausting and ejecting mechanism with the inner bag coated with the glue and the outer bag coated with the glue as claimed in claim 1, wherein the ejecting rod is a limit screw (5), a step surface (20) is arranged in the ejecting hole, and a screw head of the limit screw is arranged on the step surface.

5. The ejector sleeve exhaust ejection mechanism for internally and externally wrapping glue injection as claimed in claim 4, wherein the small needle plate comprises an upper small needle plate (601) and a lower small needle plate (602), the lower small needle plate is provided with a screw hole (603) at a corresponding position of a limit screw, and the needle plate top hole is arranged at a corresponding position of a needle plate top block of the upper small needle plate.

6. The ejector sleeve exhausting and ejecting mechanism with the inner package and the outer package being coated with glue as claimed in claim 5, wherein the injection molding hole is formed in the upper small needle plate, and the bottom surface of the upper small needle plate is provided with an ejector sleeve limiting hole (604).

7. The ejector sleeve exhaust ejection mechanism with the inner package and the outer package being injected with glue as claimed in claim 1, wherein the large needle plate comprises an upper large needle plate (901) and a lower large needle plate (902), and the lower large needle plate is provided with a small needle plate socket matched with the small needle plate.

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