CN210552793U

CN210552793U - Exhaust structure of injection mold

Info

Publication number: CN210552793U
Application number: CN201920733157.3U
Authority: CN
Inventors: 周兵
Original assignee: Suzhou Huana Precise Tooling Co ltd
Current assignee: Suzhou Huana Precise Tooling Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-05-19
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses an injection mold exhaust structure, which comprises a die, the middle part fixedly connected with support column of mould bottom, the equal fixedly connected with quarter butt in both sides of mould bottom to the bottom fixedly connected with gear of quarter butt, the fixed surface of gear is connected with the dwang to the rotation groove has been seted up on the surface of dwang, the inner wall that rotates the groove rotates through the connecting piece and is connected with the air discharge duct to the air discharge duct has been seted up on the surface of air discharge duct, the top of air discharge duct runs through the bottom of mould and extends to the inside of mould, the top of air discharge duct just is located the inside fixedly connected with baffle of mould, the top of mould is provided with the die cover to the exhaust hole has been seted up at the middle part at die cover top, the utility model relates to an injection mold technical. This injection mold exhaust structure has solved the exhaust mode of current mould can't be quick, effectual with the air escape's of mould die cavity problem.

Description

Exhaust structure of injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is an injection mold exhaust structure.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

In the structures of some plastic products, the injection molding process of the mold needs high-speed filling of an injection molding machine, the air in the cavity of the mold cannot be quickly and effectively exhausted by the traditional exhaust mode, and particularly, the part of the product far away from the glue injection sprue is prone to air trapping, so that the product is lack of materials or the surface of the product is burnt by high-temperature gas, and the appearance or the function of the product is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an injection mold exhaust structure has solved the exhaust mode of current mould can't be fast, effectual with the air escape's of mould die cavity problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an exhaust structure of an injection mold comprises the mold, a support pillar is fixedly connected with the middle part of the bottom of the mold, short rods are fixedly connected with both sides of the bottom of the mold, the bottom end of the short rod is fixedly connected with a gear, the surface of the gear is fixedly connected with a rotating rod, and the surface of the rotating rod is provided with a rotating groove, the inner wall of the rotating groove is rotatably connected with an exhaust rod through a connecting piece, and the surface of the exhaust rod is provided with an exhaust groove, the top end of the exhaust rod penetrates through the bottom of the mold and extends to the interior of the mold, a baffle plate is fixedly connected at the top end of the exhaust rod and positioned in the mold, a mold cover is arranged at the top of the mold, and the exhaust hole has been seted up at the middle part at mould lid top, the top of mould lid and the left side that is located the exhaust hole have seted up the hole of moulding plastics, two one side that the gear deviates from mutually all is provided with resilient means.

Preferably, the bottom fixedly connected with mounting panel of support column, the bottom fixedly connected with bottom plate of mounting panel.

Preferably, the springback mechanism comprises vertical plates, the bottoms of the vertical plates are fixedly connected with the top of the bottom plate through connecting pieces, and sliding plates are connected between the opposite sides of the two vertical plates through sliding blocks in a sliding mode.

Preferably, the vertical plate is internally provided with a sliding groove matched with the sliding block, one side, opposite to the two sliding plates, of each sliding plate is fixedly connected with a tooth block, and the sliding plates are meshed with the gears through the tooth blocks.

Preferably, the bottom of the sliding plate is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with the top of the bottom plate, the top of the sliding plate is fixedly connected with a second spring, and the bottom end of the second spring is fixedly connected with the top of the vertical plate through a fixing member.

Preferably, one side of the sliding block, which is far away from the sliding plate, is fixedly connected with an adjusting rod, one end of the adjusting rod, which is far away from the sliding block, penetrates through and extends to one side of the vertical plate, and vertical grooves matched with the adjusting rods are formed in the two sides, which are far away from the sliding block, of the vertical plate.

Advantageous effects

The utility model provides an injection mold exhaust structure. The method has the following beneficial effects:

(1) this injection mold exhaust structure, when the raw materials gets into the mould through the hole of moulding plastics inside, the inside air of mould is partly discharged through the exhaust hole, and the air of the inside bottom of mould is discharged through the air discharge duct, extrudees the baffle downwards when the raw materials is leading-in, and the bottom contact formation of baffle and mould inner wall is sealed when the mould is filled to the raw materials, has solved the exhaust mode of current mould can't be fast, effectual with the air escape's of mould die cavity problem.

(2) This injection mold exhaust structure, the die cover is opened after the raw materials cools off, then pulls down the regulation pole and drives the sliding plate and slide down to thereby it promotes the exhaust pole rebound through the transmission of dwang to drive the gear clockwise rotation and conveniently takes out the product.

Drawings

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

fig. 2 is a partially enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1 mould, 2 support columns, 3 short rods, 4 gears, 5 rotating rods, 6 rotating grooves, 7 exhaust rods, 8 exhaust grooves, 9 partition plates, 10 mould covers, 11 exhaust holes, 12 injection molding holes, 13 mounting plates, 14 bottom plates, 15 vertical plates, 16 sliding blocks, 17 sliding plates, 18 sliding grooves, 19 tooth blocks, 20 first springs, 21 second springs, 22 fixing pieces, 23 adjusting rods and 24 vertical grooves.

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. 1-2, the present invention provides a technical solution: an exhaust structure of an injection mold comprises a mold 1, a support column 2 is fixedly connected to the middle of the bottom of the mold 1, short rods 3 are fixedly connected to two sides of the bottom of the mold 1, gears 4 are fixedly connected to the bottom ends of the short rods 3, rotating rods 5 are fixedly connected to the surfaces of the gears 4, rotating grooves 6 are formed in the surfaces of the rotating rods 5, exhaust rods 7 are rotatably connected to the inner walls of the rotating grooves 6 through connecting pieces, exhaust grooves 8 are formed in the surfaces of the exhaust rods 7, the top ends of the exhaust rods 7 penetrate through the bottom of the mold 1 and extend into the mold 1, partition plates 9 are fixedly connected to the top ends of the exhaust rods 7 and are located in the mold 1, a mold cover 10 is arranged at the top of the mold 1, exhaust holes 11 are formed in the middle of the top of the mold cover 10, injection molding holes 12 are formed in the left sides, opposite to the two gears 4, and a, the exhaust holes 11 may function as auxiliary exhaust holes to make the air inside the mold 1 exhausted to be cleaner.

Further, the bottom of the supporting column 2 is fixedly connected with a mounting plate 13, and the bottom of the mounting plate 13 is fixedly connected with a bottom plate 14.

Further, the springback mechanism comprises vertical plates 15, the bottoms of the vertical plates 15 are fixedly connected with the top of the bottom plate 14 through connecting pieces, and sliding plates 17 are connected between the opposite sides of the two vertical plates 15 in a sliding mode through sliding blocks 16.

Furthermore, a sliding groove 18 matched with the sliding block 16 is formed in the vertical plate 15, a tooth block 19 is fixedly connected to one side opposite to the two sliding plates 17, and the sliding plates 17 are meshed with the gear 4 through the tooth block 19.

Further, a first spring 20 is fixedly connected to the bottom of the sliding plate 17, the bottom end of the first spring 20 is fixedly connected to the top of the bottom plate 14, a second spring 21 is fixedly connected to the top of the sliding plate 17, the bottom end of the second spring 21 is fixedly connected to the top of the vertical plate 15 through a fixing member 22, and after the product is taken out, the partition plate returns to the original position under the actions of the first spring 20 and the second spring 21 so as to be used next time.

Further, slider 16 keeps away from one side fixedly connected with regulation pole 23 of sliding plate 17, adjust the one end that slider 16 was kept away from to pole 23 and run through and extend to one side of riser 15, two riser 15 one sides that deviate from mutually all set up with the perpendicular groove 24 of adjusting pole 23 looks adaptation, open die cover 10 after the raw materials cooling, then pull regulation pole 23 downwards and drive sliding plate 17 and slide downwards to thereby drive gear 4 clockwise rotation and promote exhaust rod 7 and upwards remove through the transmission of dwang 5 and conveniently take out the product.

During the use, at first through moulding plastics hole 12 with inside the leading-in mould 1 of raw materials, then inside air of mould 1 partly discharges through exhaust hole 11, and the air of the inside bottom of mould discharges through exhaust duct 8, extrude baffle 9 downwards when the raw materials is leading-in, the bottom contact of baffle and mould inner wall forms sealedly when the mould 1 is filled to the raw materials, open the mould lid 10 after the raw materials cooling, then pull adjusting lever 23 downwards and drive sliding plate 17 and slide downwards, thereby drive gear 4 clockwise rotation promote exhaust rod 7 through the transmission of dwang 5 and upwards remove thereby conveniently take out the product, take out after the product under first spring 20 and second spring 21 bestriding the effect the baffle and get back to the normal position so that use next time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 an injection mold exhaust structure, includes mould (1), its characterized in that: the middle part of the bottom of the mold (1) is fixedly connected with a support column (2), both sides of the bottom of the mold (1) are fixedly connected with short rods (3), the bottom of each short rod (3) is fixedly connected with a gear (4), the surface of each gear (4) is fixedly connected with a rotating rod (5), the surface of each rotating rod (5) is provided with a rotating groove (6), the inner wall of each rotating groove (6) is rotatably connected with an exhaust rod (7) through a connecting piece, the surface of each exhaust rod (7) is provided with an exhaust groove (8), the top end of each exhaust rod (7) penetrates through the bottom of the mold (1) and extends into the mold (1), the top end of each exhaust rod (7) is positioned on a partition board (9) fixedly connected with the inner part of the mold (1), the top of the mold (1) is provided with a mold cover (10), and the middle part of the top of the mold cover, the top of mould lid (10) just is located the left side of exhaust hole (11) and has seted up injection molding hole (12), two one side that gear (4) deviate from mutually all is provided with resilient mounting.

2. An injection mold vent structure as in claim 1, wherein: the bottom fixedly connected with mounting panel (13) of support column (2), the bottom fixedly connected with bottom plate (14) of mounting panel (13).

3. An injection mold vent structure as in claim 1, wherein: the springback mechanism comprises vertical plates (15), the bottoms of the vertical plates (15) are fixedly connected with the top of the bottom plate (14) through connecting pieces, and sliding plates (17) are connected between the opposite sides of the two vertical plates (15) through sliding blocks (16).

4. An injection mold vent structure as in claim 3, wherein: the sliding plate is characterized in that a sliding groove (18) matched with the sliding block (16) is formed in the vertical plate (15), two opposite sides of the sliding plates (17) are fixedly connected with tooth blocks (19), and the sliding plates (17) are meshed with the gear (4) through the tooth blocks (19).

5. An injection mold vent structure as in claim 4, wherein: the bottom of the sliding plate (17) is fixedly connected with a first spring (20), the bottom end of the first spring (20) is fixedly connected with the top of the bottom plate (14), the top of the sliding plate (17) is fixedly connected with a second spring (21), and the bottom end of the second spring (21) is fixedly connected with the top of the vertical plate (15) through a fixing piece (22).

6. An injection mold vent structure as in claim 3, wherein: one side fixedly connected with that slider (16) is kept away from sliding plate (17) adjusts pole (23), adjust pole (23) and keep away from the one end of slider (16) and run through and extend to one side of riser (15), two perpendicular groove (24) with adjusting pole (23) looks adaptation are all seted up to one side that riser (15) deviate from mutually.