CN214392230U

CN214392230U - Flange casting mould

Info

Publication number: CN214392230U
Application number: CN202022874826.4U
Authority: CN
Inventors: 于智帆
Original assignee: Yuzhou Yihong Machinery Co Ltd
Current assignee: Yuzhou Yihong Machinery Co Ltd
Priority date: 2020-12-02
Filing date: 2020-12-02
Publication date: 2021-10-15
Anticipated expiration: 2030-12-02

Abstract

The utility model relates to the technical field of mold, specifically speaking relates to a flange casting mould, including front mould and back mould, install back mold core and thimble board on the back mould, seted up back mould cavity on the back mold core, install the paper clip on the thimble board, the guide pillar is still installed at the top of back mould, be provided with on the back mould and add the structure, add the structure and include the framed outer panel and add the mold core, the middle part of adding the mold core has been seted up and has been added the die cavity, add the size of die cavity and the size looks adaptation of back mould cavity, it has the lug to add the both ends homogeneous formability about the mold core, two lugs overlap respectively and take the inslot and pass through bolt and framed outer fixed connection. This flange casting mould adds the structure through the bolt installation between front mould and back mould, can reach the purpose that increases the mould die cavity degree of depth, reaches the purpose that increases the finished product thickness of cast flange, need not to dismantle repeatedly front mould and back mould.

Description

Flange casting mould

Technical Field

The utility model relates to the technical field of mold, specifically speaking relates to a flange casting mould.

Background

In the installation of the power transmission line, the line pipe fittings need to be firmly connected through flanges, and the flanges need to be cast and formed by using a casting mold. In order to reduce the production cost, when the flanges with the same outer diameter and different thicknesses are cast and processed, the same die frame is usually used, and the die cores of the die cavities with different depths are replaced according to production requirements, so that when the flanges with different thicknesses are produced, the die needs to be repeatedly disassembled, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flange casting mould to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flange casting mould comprises a front mould and a rear mould, wherein a rear mould core is arranged at the top of the rear mould through bolts, a rear mould cavity is formed in the rear mould core, an ejector plate is arranged in the rear mould, a return pin is arranged on the ejector plate, guide pillars are sleeved at four corners of the top of the rear mould, a detachable adding structure is arranged at the top of the rear mould through bolts, the adding structure comprises an outer frame plate and an adding mould core fixed on the outer frame plate through bolts, a sleeve cavity for installing the adding mould core is formed in the middle of the outer frame plate, overlapping grooves are formed in the left end edge and the right end edge of the sleeve cavity, a plurality of clearance holes corresponding to the return pin are formed in the outer frame plate, an extension column is sleeved in each clearance hole and fixedly connected with the return pin through bolts, an adding cavity is formed in the middle of the adding mould core, and the size of the adding cavity is matched with the size of the rear mould cavity, the left end and the right end of the added mold core are provided with lugs in a forming manner, and the two lugs are respectively overlapped in the overlapping grooves and fixedly connected with the outer frame plate through bolts.

Preferably, a groove is formed in the edge of one side of the rear die, a marking groove is formed in the surface of the outer frame plate on the same side as the groove, and the marking groove corresponds to the groove in position.

Preferably, the inner diameter of the clearance hole is larger than the diameter of the return pin, and the diameter of the extension column is smaller than the diameter of the return pin.

Preferably, the four corners of the outer frame plate are provided with clearance grooves for clearance guide pillars.

Preferably, the inner wall of the front side of the sleeve cavity is provided with a fool-proof groove, the front end of the additional mold core is integrally formed with a convex block, and the convex block extends into the fool-proof groove.

Preferably, the top surface of the rear mold core is provided with a plurality of positioning pin holes, the bottom of the additional mold core is provided with a plurality of pin columns through bolts, and the pin columns stretch into the positioning pin holes.

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

this flange casting mould adds the structure through the bolt installation between front mould and back mould, can reach the purpose that increases the mould die cavity degree of depth, reaches the purpose that increases the finished product thickness of cast flange, need not to dismantle repeatedly front mould and back mould.

Drawings

Fig. 1 is a schematic view of the overall structure of the utility model;

FIG. 2 is an installation diagram of an additional structure of the utility model;

FIG. 3 is a schematic structural view of the outer frame plate of the utility model;

fig. 4 is a schematic structural view of an additional mold core in the utility model.

In the figure: 1. a front mold; 2. a rear mold; 21. a rear mold core; 211. a rear mold cavity; 212. a positioning pin hole; 22. an ejector plate; 221. needle return; 23. a guide post; 24. a groove; 3. adding a structure; 31. an outer frame plate; 311. a sleeve cavity; 312. groove lapping; 313. avoiding a void; 314. extending the column; 315. an empty avoiding groove; 316. marking a groove; 317. a fool-proof groove; 32. adding a mold core; 321. adding a cavity; 322. a lug; 323. a pin; 324. and (4) a bump.

Detailed Description

The technical solution in the present invention will be clearly and completely described below with reference to the drawings in the present invention, and it is obvious that the described utility model is only a part of the utility model rather than the whole utility model. Based on utility model provides a, all other utility model that the ordinary skilled person in the art obtained under the prerequisite of not making creative work all belong to the utility model discloses the scope of protection.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Further, "a number" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a flange casting mold comprises a front mold 1 and a rear mold 2, a rear mold core 21 for forming a flange is installed at the top of the rear mold 2 through bolts, a rear mold cavity 211 is formed in the rear mold core 21, an ejector plate 22 for ejecting a flange finished product is installed inside the rear mold 2, a return pin 221 playing a guiding role is installed on the ejector plate 22, the ejector plate 22 can drive an ejector pin to move in the rear mold 2, guide posts 23 are sleeved on four corners of the top of the rear mold 2, a detachable adding structure 3 is installed at the top of the rear mold 2 through bolts, the adding structure 3 comprises an outer frame plate 31 and an adding mold core 32 fixed on the outer frame plate 31 through bolts, the thickness of the outer frame plate 31 is the same as that of the adding mold core 32, a sleeve cavity 311 for installing the adding mold core 32 is formed in the middle of the outer frame plate 31, grooves 312 are formed in the edges of the left end and the right end of the sleeve cavity 311, lugs 322 are formed in the integral mode of the left end and the right end of the adding mold core 32, the size of the lug 322 is matched with that of the lap groove 312, and the two lugs 322 are respectively lapped in the lap groove 312 and fixedly connected with the outer frame plate 31 through bolts. Set up a plurality of and the corresponding clearance hole 313 in clip 221 position on the ectoframe board 31, the cover is equipped with extension post 314 in clearance hole 313, extension post 314 passes through the bolt respectively with clip 221 fixed connection, the middle part that adds mold core 32 has been seted up and has been increased the die cavity 321, the size that adds die cavity 321 and the size looks adaptation of back die cavity 211, when adding structure 3 and installing on back mould 2 through the bolt, it is aligned with the inner wall that adds die cavity 321 and back die cavity 211, reach the purpose that increases the mould die cavity degree of depth, and then make the thickness increase of fashioned flange.

Specifically, one side edge of the rear mold 2 is provided with the groove 24, the surface of the outer frame plate 31 on the same side as the groove 24 is provided with the mark groove 316, and the mark groove 316 corresponds to the groove 24 in position, so that the situation that the adding structure 3 is reversely installed when being installed on the rear mold 2 is prevented.

Further, the inner diameter of clearance hole 313 is greater than the diameter of paper clip 221, the diameter of extension post 314 is less than the diameter of paper clip 221, the height of extension post 314 is the same with the thickness of outer deckle board 31 for when extension post 314 passes through the bolt and installs back 221 top, because the diameter of extension post 314 is less than the diameter of paper clip 221, when making back 221 withdraw from the state of stretching out, the bottom of extension post 314 can not be hung at the edge of clearance hole 313, prevents that thimble board 22 from appearing the dead condition of card.

In addition, the clearance groove 315 that is used for keeping away empty guide pillar 23 is all offered to four corners of outer deckle board 31, makes the top surface of placing back mould 2 that adds structure 3 can be smooth and with the laminating of the top surface of back mould 2 to it is fixed to use the bolt will add structure 3.

It is worth noting that the inner wall of the front side of the sleeve cavity 311 is provided with a fool-proof groove 317, the front end of the additional mold core 32 is integrally formed with a convex block 324, and the convex block 324 extends into the fool-proof groove 317 to prevent the additional mold core 32 from being reversely installed.

It is worth to say that a plurality of locating pin holes 212 are arranged on the top surface of the rear mold core 21, a plurality of pins 323 are mounted at the bottom of the additional mold core 32 through bolts, the pins 323 extend into the locating pin holes 212, the pins 323 play a locating role, and under the action of the pins 323, the additional mold cavity 321 can be aligned with the rear mold cavity 211, so that the influence on the quality of a flange finished product due to dislocation of the additional mold cavity 321 and the rear mold cavity 211 is prevented.

The utility model discloses a flange casting mould is when using, at first will install to add that mold core 32 adds structure 3 and remove to the top of back mould 2 and make mark groove 316 and recess 24 align, then will add structure 3 vertical downwards and finally place on the top surface of back mould 2, add mold core 32 at this moment and brush locating pin hole 212 on round pin 323 and the back mold core 21 and insert in locating pin hole 212, when adding structure 3 and laminating on back mould 2 completely, use the bolt will add structure 3 and fix on back mould 2 and will prolong post 314 and install respectively on back needle 221 through the bolt, add the inner wall of die cavity 321 and back mould die cavity 211 at this moment and align, reach the purpose that increases the mould die cavity degree of depth, and then make the thickness of fashioned flange increase, need not to dismantle the mould repeatedly, at last when the flange of original size needs to be processed, can will add structure 3 and tear apart through dismantling the fixed bolt that adds structure 3 and extension post 314, so as to carry out the casting processing of the original flange product.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The technical personnel of this trade should understand, the utility model does not receive the restriction of above-mentioned utility model, and what describe in above-mentioned utility model and the description only does the preferred example of the utility model to need not restrict the utility model, under the prerequisite that does not deviate from the spirit and scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the scope of the utility model that claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flange casting mould, includes front mould (1) and back mould (2), back mold core (21) are installed through the bolt in the top of back mould (2), have seted up back mould cavity (211) on back mold core (21), and the internally mounted of back mould (2) has thimble board (22), installs back needle (221) on thimble board (22), and four corners at back mould (2) top all overlap and are equipped with guide pillar (23), its characterized in that: the top of the rear mold (2) is provided with a detachable adding structure (3) through a bolt, the adding structure (3) comprises an outer frame plate (31) and an adding mold core (32) fixed on the outer frame plate (31) through a bolt, the middle part of the outer frame plate (31) is provided with a sleeve cavity (311) for installing the adding mold core (32), the edges of the left end and the right end of the sleeve cavity (311) are respectively provided with a lapping groove (312), the outer frame plate (31) is provided with a plurality of clearance holes (313) corresponding to the positions of the return pins (221), the clearance holes (313) are internally sleeved with extension columns (314), the extension columns (314) are respectively and fixedly connected with the return pins (221) through bolts, the middle part of the adding mold core (32) is provided with an adding cavity (321), the size of the adding cavity (321) is matched with the size of the rear mold cavity (211), the left end and the right end of the adding mold core (32) are respectively integrally formed with lugs (322), the two lugs (322) are respectively lapped in the lapping grooves (312) and fixedly connected with the outer frame plate (31) through bolts.

2. The flange casting mold of claim 1, wherein: a groove (24) is formed in one side edge of the rear die (2), a marking groove (316) is formed in the surface of the outer frame plate (31) on the same side as the groove (24), and the marking groove (316) corresponds to the groove (24).

3. The flange casting mold of claim 1, wherein: the inner diameter of the clearance hole (313) is larger than the diameter of the back needle (221), and the diameter of the extension column (314) is smaller than the diameter of the back needle (221).

4. The flange casting mold of claim 1, wherein: and the four corners of the outer frame plate (31) are provided with clearance grooves (315) for clearance guide pillars (23).

5. The flange casting mold of claim 1, wherein: the inner wall of the front side of the sleeve cavity (311) is provided with a fool-proof groove (317), the front end of the additional mold core (32) is integrally formed with a convex block (324), and the convex block (324) extends into the fool-proof groove (317).

6. The flange casting mold of claim 1, wherein: the top surface of the rear mold core (21) is provided with a plurality of positioning pin holes (212), the bottom of the additional mold core (32) is provided with a plurality of pins (323) through bolts, and the pins (323) extend into the positioning pin holes (212).