CN210453605U

CN210453605U - Ejecting and reset structure of flip-chip mold

Info

Publication number: CN210453605U
Application number: CN201921135098.6U
Authority: CN
Inventors: 白远文; 李�杰
Original assignee: Qingyuan Minhui Auto Parts Co ltd
Current assignee: Qingyuan Minhui Auto Parts Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-05-05
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a flip-chip mould ejecting and reset structure, including first mould, roof, accessory plate, elastic unit and second mould, the both sides face of roof is provided with a spout respectively, installs the dog in the spout, and the both sides face of first mould is equipped with the guide block respectively, is equipped with the guiding hole in the guide block, and a guide block disposes a pull rod, and each pull rod includes stiff end and free end, and the stiff end is in the side of second mould, and the free end is equipped with the portion of colluding that can catch on the dog, and guide block and free end are equipped with the inclined plane respectively, still include the backstitch unit. In the die opening process, the second die is far away from the first die, the hook part is in contact with the stop block to drive the stop block and the top plate to move, the top plate drives the ejection mechanism to eject out a product in the first die, the stop block is driven to retract into the top plate on the inclined surface of the guide block after the stop block continues to move, and the top plate is reset under the action of the needle returning unit; in the die closing process, the inclined surface of the free end drives the stop block to retract into the top plate.

Description

Ejecting and reset structure of flip-chip mold

Technical Field

The utility model relates to a mould, especially a flip-chip mould's ejecting and reset structure in the automobile parts production research field.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. The ejection and resetting of the flip-chip mold are generally performed by an oil cylinder. And the action of the oil cylinder is controlled by the neutron function of the injection molding machine. The neutrons on the injection molding machine table are loose cores and comprise advancing and retreating actions, namely actions on a movable mold or a fixed mold of the injection molding machine. There is a need for a structure that does not require cylinder ejection and resetting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flip-chip mould ejecting and structure that resets, it utilizes opening and shutting of first mould and second mould to realize ejecting and resetting.

The utility model provides a solution of its technical problem is: the utility model provides an ejecting and reset structure of flip-chip mould, includes first mould, roof, accessory plate and second mould, and the both sides face of roof is provided with a spout respectively, install the dog in the spout, be equipped with elastic unit between the lateral wall of dog and spout, the both sides face of first mould is equipped with the guide block respectively, be equipped with the guiding hole in the guide block, a guide block configuration pull rod, each pull rod includes stiff end and free end, the stiff end is in the side of second mould, and the free end is equipped with one and can catches on the portion of colluding of dog, and guide block and free end are equipped with the inclined plane of ordering about the dog and removing along the spout respectively, still include the back needle unit of connecting accessory plate, roof and first mould.

As a further improvement of the technical scheme, the stop block is provided with a strip-shaped hole for limiting the moving position of the stop block.

As a further improvement of the technical scheme, the elastic unit comprises at least two stop block springs, one ends of the stop block springs are in pressure contact with the stop blocks, and the other ends of the stop block springs extend into the spring holes in the side walls of the sliding chutes.

As a further improvement of the technical scheme, the inner side surface of the free end is provided with a mounting groove and a threaded hole communicated with the mounting groove, and the hook part is mounted in the mounting groove and then passes through the threaded hole and the hook part through a bolt.

As a further improvement of the technical scheme, the inner side surface of the free end is provided with a limiting groove, and the mounting groove is positioned beside the limiting groove.

As a further improvement of the technical scheme, a convex block and two mounting holes are arranged on the inner side surface of the fixed end, and the convex block is positioned between the two mounting holes.

As a further improvement of the above technical solution, the needle return unit includes a plurality of needle return bars and a plurality of needle return springs, one end of each needle return bar passes through the auxiliary plate, the top plate and the first die, the needle return springs are sleeved on the outer surfaces of the needle return bars, one end of each needle return spring is in pressure contact with the top plate, and the other end of each needle return spring is in pressure contact with the first die.

The utility model has the advantages that: the utility model discloses a set up pull rod and dog, in the die sinking process, the second mould is kept away from the first mould, colludes portion and orders about dog and roof removal after the dog contact, the roof orders about ejection mechanism and pushes out the product in the first mould, after the dog continues to move, orders about the dog to retract in the roof at the inclined plane of guide block, the roof resets under the effect of back of the needle unit; in the die closing process, the inclined surface of the free end drives the stop block to retract into the top plate. The utility model discloses utilize opening and shutting of first mould and second mould to realize ejecting and reseing.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the installation of the stopper of the present invention;

FIG. 3 is a schematic structural view of the present invention after the first and second dies are separated;

fig. 4 is a schematic structural view of the middle pull rod of the present invention.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions.

Referring to fig. 1 to 4, an ejection and reset structure of a flip-chip mold includes a first mold 11, a top plate 14, an auxiliary plate 16, and a second mold 12, where two side surfaces of the top plate 14 are respectively provided with a sliding groove 17, a stopper 15 is installed in the sliding groove 17, an elastic unit is disposed between the stopper 15 and a side wall of the sliding groove 17, two side surfaces of the first mold 11 are respectively provided with a guide block 10, a guide hole is disposed in the guide block 10, one guide block 10 is provided with a pull rod 13, each pull rod 13 includes a fixed end and a free end, the fixed end is disposed on a side surface of the second mold 12, the free end is provided with a hook portion 19 capable of hooking the stopper 15, the guide block 10 and the free end are respectively provided with an inclined surface for driving the stopper 15 to move along the sliding groove 17, and the structure further includes a needle return unit for connecting the auxiliary plate 16. The inclined surface provided on the guide block 10 is a first inclined surface 31 and the inclined surface provided on the free end is a second inclined surface 32. A third inclined surface is arranged on the end surface of the block 15 close to the first die.

In the process of opening the mold, the second mold 12 is far away from the first mold 11, the distance between the hook part 19 and the stop block 15 can enable the second mold 12 to be separated from a glue position surface, the stop block 15 and the top plate 14 are driven to move after the hook part 19 is contacted with the stop block 15, the top plate 14 drives the ejection mechanism to eject a product in the first mold 11, after the stop block 15 continues to move, the stop block 15 is driven to retract into the top plate 14 by the inclined surface of the guide block 10, the top plate 14 is reset under the action of the needle returning unit, the second mold 12 is separated from the first mold 11, and the stop block 15 is reset under the action of the elastic unit; during the mold closing process, the inclined surface of the free end drives the stop block 15 to retract into the top plate 14, and after the hook part 19 exceeds the position of the stop block 15, the stop block 15 is reset under the action of the elastic unit. The ejection mechanism is a plurality of ejector rods mounted on the top plate 14.

The stopper 15 is provided with a strip-shaped hole 24 for limiting the moving position of the stopper 15. And the bolt passes through the strip-shaped hole 24 and then is fixed on the top plate 14. Elongated aperture 24 limits the maximum travel of stop 15 out of top panel 14 and back into top panel 14.

The elastic unit comprises at least two stop block springs, one ends of the stop block springs are in pressure contact with the stop blocks 15, and the other ends of the stop block springs extend into spring holes 18 in the side walls of the sliding grooves 17. The stopper spring provides an elastic force for the restoration of the stopper 15.

The inside surface of free end is equipped with mounting groove 20 and the screw hole 21 of intercommunication mounting groove 20, collude portion 19 and install behind mounting groove 20, pass screw hole 21 and collude portion 19 through the bolt. The hook part 19 is hardened by heat treatment, so that the service life of the pull rod 13 is prolonged. The bolt is fixed in a manner that facilitates replacement of the damaged hook 19.

The medial surface of free end is equipped with spacing groove 23, mounting groove 20 is located by spacing groove 23. In the mold closing process, the stop block 15 is driven to retract into the top plate 14 by the inclined surface of the free end, the stop block 15 is reset under the action of the elastic unit after the hook part 19 exceeds the position of the stop block 15, and the stop block 15 moves into the limiting groove 23 after the pull rod 13 continues to move. The side wall of the limit groove 23 is used for limiting the maximum travel of the pull rod 13.

The medial surface of stiff end is equipped with lug 22 and two mounting holes, lug 22 is located between two mounting holes. The second die 12 is provided with a groove matching with the bump 22, and after the bump 22 is embedded in the groove, the bolt is screwed into the second die 12 after passing through the mounting hole. The clamping mode and the bolt connection mode are matched for use, and the connection stability of the pull rod 13 and the second die 12 is improved.

The needle returning unit comprises a plurality of needle returning rods and a plurality of needle returning springs, one end of each needle returning rod penetrates through the auxiliary plate 16, the top plate 14 and the first die 11, the needle returning springs are sleeved on the outer surfaces of the needle returning rods, one end of each needle returning spring is in pressure contact with the top plate 14, and the other end of each needle returning spring is in pressure contact with the first die 11. The limit end of the needle returning rod is pressed against the auxiliary plate 16. When the mold is opened, the top plate 14 moves towards the first mold 11 to compress the needle return spring, and after the hook part 19 is separated from the stop block 15, the needle return spring is reset to drive the top plate 14 to reset along the needle return rod.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides an ejection and reset structure of flip-chip mould which characterized in that: the needle return device comprises a first die, a top plate, an auxiliary plate and a second die, wherein two side faces of the top plate are respectively provided with a sliding groove, a stop block is installed in the sliding groove, an elastic unit is arranged between the stop block and the side wall of the sliding groove, two side faces of the first die are respectively provided with a guide block, a guide hole is formed in each guide block, one guide block is provided with a pull rod, each pull rod comprises a fixed end and a free end, the fixed end is arranged on the side face of the second die, the free end is provided with a hook part capable of hooking the stop block, the guide blocks and the free ends are respectively provided with inclined planes for driving the stop block to move along the sliding groove, and the needle return device further comprises a needle.

2. The ejection and return structure of a flip-chip mold of claim 1, wherein: the stop block is provided with a strip-shaped hole for limiting the moving position of the stop block.

3. The ejection and return structure of a flip-chip mold of claim 1, wherein: the elastic unit comprises at least two stop block springs, one ends of the stop block springs are in press contact with the stop blocks, and the other ends of the stop block springs extend into the spring holes in the side walls of the sliding grooves.

4. The ejection and return structure of a flip-chip mold of claim 1, wherein: the inner side surface of the free end is provided with a mounting groove and a threaded hole communicated with the mounting groove, and the hook part is mounted behind the mounting groove and penetrates through the threaded hole and the hook part through a bolt.

5. The ejection and return structure of a flip-chip mold of claim 4, wherein: the medial surface of free end is equipped with the spacing groove, the mounting groove is located the spacing groove side.

6. The ejection and return structure of a flip-chip mold of claim 1, wherein: the medial surface of stiff end is equipped with lug and two mounting holes, the lug is located between two mounting holes.

7. The ejection and return structure of a flip-chip mold of claim 1, wherein: the needle returning unit comprises a plurality of needle returning rods and a plurality of needle returning springs, one end of each needle returning rod penetrates through the auxiliary plate, the top plate and the first die, the needle returning springs are sleeved on the outer surfaces of the needle returning rods, one end of each needle returning spring is in pressure contact with the top plate, and the other end of each needle returning spring is in pressure contact with the first die.