CN211888876U

CN211888876U - Positioning and fixing device for die head tree assembly for investment casting

Info

Publication number: CN211888876U
Application number: CN202020504686.9U
Authority: CN
Inventors: 葛珊
Original assignee: Dongwei Huai'an Hardware Industry Co ltd
Current assignee: Dongwei Huai'an Hardware Industry Co ltd
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2020-11-10
Anticipated expiration: 2030-04-09

Abstract

The utility model provides a die head tree group location fixing device for investment casting, including first outer cassette, first interior cassette, the connecting seat, right adjusting screw, the locating frame, left adjusting screw and support sleeve seat, it is equipped with first outer cassette to pour a right-hand member face card, it has first interior cassette to pour a left end face, the connecting seat is installed to first interior cassette left end face intermediate position, connecting seat left end face is connected with right adjusting screw, the welding of connecting seat left side has the locating frame, the support sleeve seat is installed to terminal surface left and right sides symmetry under the locating frame, original wax matrix has been solved in this design and has been scribbled the cracked problem of junction of hanging at the in-process very easy follow interior runner and foundry goods at the system shell, the utility model discloses rational in infrastructure, the location is effectual, is convenient for adjust the installation, simple structure, and the practicality is strong.

Description

Positioning and fixing device for die head tree assembly for investment casting

Technical Field

The utility model relates to a die head tree group location fixing device for investment casting belongs to investment casting apparatus technical field.

Background

The investment casting is also called lost wax casting, and comprises the procedures of wax pressing, wax trimming, tree forming, slurry dipping, wax melting, molten metal casting, post-treatment and the like. Lost wax casting is a process in which a wax pattern for a part to be cast is made of wax, and then the wax pattern is coated with slurry, that is, a clay pattern. And after the mud mold is dried, putting the mud mold into hot water to melt the internal wax mold. And taking out the clay mold after the wax mold is melted, and roasting to form the ceramic mold. Once calcined. The pouring gate is left when the general mud mould is made, then the molten metal is poured into the pouring gate from the pouring gate, after cooling, the required parts are made, however, the wax mould is easy to break from the connection part of the inner pouring gate and the casting in the process of making the shell and coating, and the main reason of the breakage is as follows: the wall thickness of the first casting is thin, namely the thickness of a wax pattern at the joint of the inner sprue and the casting is 4-8 mm, the weight of the wax pattern of the casting cannot be borne by the thickness, the front and back force application of the second sprue and a riser in the shell coating process is inconsistent, and a die head tree positioning and fixing device for investment casting is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a die head is organized tree and is fixed a position fixing device for investment casting to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the location is effectual, is convenient for adjust the installation, simple structure, and the practicality is strong.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a positioning and fixing device for a die head tree assembly for investment casting comprises a casting body, an inner casting end, a casting seat, a convenient positioning mechanism and an ejecting seat, wherein the inner casting end is symmetrically arranged on the left side and the right side of the upper end surface of the casting body, the casting seat is clamped on the annular side surface of the inner casting end, the ejecting seat is clamped on the left side of the casting seat, the convenient positioning mechanism is arranged on the upper side of the casting body and comprises a first outer clamping seat, a first inner clamping seat, a connecting seat, a right adjusting screw rod, a positioning frame, a left adjusting screw rod, a second inner clamping seat, a second outer clamping seat, a supporting plate, a supporting rod and a supporting sleeve seat, the first outer clamping seat is clamped on the right end surface of the casting seat, the first inner clamping seat is arranged on the left end surface of the casting seat, the connecting seat is arranged in the middle position of the left end surface of the first, the welding of connecting seat left side has the locating frame, the left and right sides symmetry is installed to the terminal surface under the locating frame and is supported the cover seat, the inside downside card cover of support cover seat has the bracing piece, the terminal surface welding has the backup pad under the bracing piece, emit a left end face and clamp the outer cassette of second, emit a right-hand member face and clamp the interior cassette of second, left adjusting screw is installed on the cassette right side in the second.

Furthermore, the left side and the right side inside the positioning frame are symmetrically provided with internal threads, the internal threads are meshed with the right adjusting screw and the left adjusting screw, and the positioning frame is made of aluminum alloy materials in a welded mode.

Further, the welding of right side adjusting screw right-hand member face has the anticreep piece, the welding of anticreep piece has two sets ofly, and two sets of anticreep piece specifications are the same, two sets of are installed to the connecting seat, and two sets of connecting seats all with anticreep piece phase-match.

Furthermore, the left side of the inside of the supporting sleeve seat is engaged with two sets of positioning screws, and the two sets of positioning screws are matched.

Furthermore, the first outer clamping seat and the first inner clamping seat are fixedly connected through a first connecting bolt, and the second outer clamping seat and the second inner clamping seat are fixedly connected through a second connecting bolt.

Furthermore, the inner wall of the first outer clamping seat and the inner wall of the first inner clamping seat are matched with the pouring seat, and the inner wall of the second outer clamping seat and the inner wall of the second inner clamping seat are matched with the cap seat.

The utility model has the advantages that: the utility model discloses a die head tree positioning fixing device for investment casting, because of the utility model discloses added first outer cassette, first interior cassette, connecting seat, right adjusting screw, posting, left adjusting screw, the interior cassette of second, the outer cassette of second, backup pad, bracing piece and support sleeve seat, this design is convenient fixes a position fixedly with the foundry goods junction internal sprue, has solved the cracked problem of junction of original wax matrix coating hanging in-process from internal sprue and foundry goods very easily at the system shell, has improved the utility model discloses a positioning effect is convenient for.

Because the left side and the right side inside the positioning frame are symmetrically provided with internal threads which are meshed with the right adjusting screw rod and the left adjusting screw rod, the positioning frame is welded by aluminum alloy materials, the design ensures that the positioning frame is lighter in weight, the internal threads ensure that the right adjusting screw rod and the left adjusting screw rod have left-right movement adjusting capability, because the left side inside the support sleeve seat is meshed with the positioning screw, two groups of positioning screws are arranged and are matched with each other, the positioning screws are convenient to position the support rod, because the inner wall of the first outer clamping seat and the inner wall of the first inner clamping seat are matched with the casting seat, the inner wall of the second outer clamping seat and the inner wall of the second inner clamping seat are matched with the emission seat, the design is convenient for the inner wall of the first outer clamping seat and the inner wall of the first inner clamping seat to clamp and position the casting seat and is convenient for the inner wall of the second outer clamping seat and the inner wall, the positioning effect is good, the adjustment and installation are convenient, the structure is simple, and the practicability is strong.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a positioning and fixing device for a mold head set tree for investment casting according to the present invention;

FIG. 2 is a front sectional view of a positioning mechanism of the positioning and fixing device for the die head set tree for investment casting of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

in the figure: 1-casting body, 2-inner casting end, 3-casting seat, 4-convenient positioning mechanism, 5-crown seat, 41-first outer clamping seat, 42-first inner clamping seat, 43-connecting seat, 44-right adjusting screw, 45-positioning frame, 46-left adjusting screw, 47-second inner clamping seat, 48-second outer clamping seat, 49-supporting plate, 411-supporting rod, 412-supporting sleeve seat, 441-anti-drop block, 451-internal thread and 4121-positioning screw.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a die head tree grouping location fixing device for investment casting, includes foundry goods body 1, the interior end of pouring 2, pours seat 3, the positioning mechanism 4 of being convenient for and emits

seat

5, and 1 up end of foundry goods body left and right sides bilateral symmetry is provided with the interior end of pouring 2, and 2 annular sides of the interior end of pouring clamp and have

pour seat

3, and 3 left sides of pouring seat clamp and have emitted

seat

5, and 1 upside of foundry goods body is provided with the positioning mechanism 4 of being convenient for.

The positioning mechanism 4 comprises a first outer clamping seat 41, a first inner clamping seat 42, a connecting seat 43, a right adjusting screw 44, a positioning frame 45, a left adjusting screw 46, a second inner clamping seat 47, a second outer clamping seat 48, a supporting plate 49, a supporting rod 411 and a supporting sleeve seat 412, the first outer clamping seat 41 is clamped on the right end surface of the pouring seat 3, the first inner clamping seat 42 is clamped on the left end surface of the pouring seat 3, the connecting seat 43 is arranged in the middle of the left end surface of the first inner clamping seat 42, the right adjusting screw 44 is connected on the left end surface of the connecting seat 43, the positioning frame 45 is welded on the left side of the connecting seat 43, the supporting sleeve seats 412 are symmetrically arranged on the left side and the right side of the lower end surface of the positioning frame 45, the supporting rod 411 is clamped and sleeved on the lower side inside of the supporting sleeve seat 412, the supporting plate 49 is welded on the lower end surface of the supporting rod 411, the second outer clamping seat 48, the design solves the problem that the original wax mould is easy to break from the connection part of the inner sprue and the casting in the shell-making and coating process.

The left side and the right side inside the positioning frame 45 are symmetrically provided with internal threads 451, the internal threads 451 are meshed with the right adjusting screw 44 and the left adjusting screw 46, the positioning frame 45 is made of aluminum alloy materials through welding, the design ensures that the positioning frame 45 is lighter, the internal thread 451 ensures that the right adjusting screw 44 and the left adjusting screw 46 have the capability of adjusting left and right movement, the anti-falling block 441 is welded on the right end face of the right adjusting screw 44, two groups of anti-falling blocks 441 are welded on the anti-falling blocks 441, and the two anti-drop blocks 441 have the same specification, two sets of connecting seats 43 are installed, and the two sets of connecting seats 43 are matched with the anti-drop blocks 441, the design improves the connection stability between the right adjusting screw 44 and the left adjusting screw 46 and the connecting seat 43, the left side inside the supporting sleeve seat 412 is engaged with two groups of positioning screws 4121, and two sets of set screws 4121 match, and set screws 4121 facilitate the location of the support rod 411.

First outer cassette 41 and first interior cassette 42 are connected fixedly through first connecting bolt, cassette 47 is connected fixedly in second outer cassette 48 and the second through second connecting bolt, first connecting bolt conveniently connects first outer cassette 41 and first interior cassette 42 fixedly, second connecting bolt conveniently connects second outer cassette 48 and second interior cassette 47 fixedly, first outer cassette 41 inner wall and first interior cassette 42 inner wall and pour seat 3 phase-match, cassette 47 inner wall and the second interior cassette 48 inner wall and emit seat 5 phase-match in second outer cassette 48 inner wall and the second, this design makes things convenient for first outer cassette 41 inner wall and first interior cassette 42 inner wall to carry out the centre gripping location to pouring seat 3 to and make things convenient for second outer cassette 48 inner wall and second interior cassette 47 inner wall to carry out the centre gripping location to emitting seat 5.

As an embodiment of the present invention: firstly loosening the positioning screw 4121 to adjust the height position of the supporting sleeve seat 412, simultaneously adjusting the height position of the positioning frame 45, adjusting to the required height, then screwing the positioning screw 4121, further positioning the supporting rod 411, then placing the positioning frame 45 at the designated position on the upper side of the casting body 1 to ensure that the lower end surface of the supporting plate 49 is jointed with the upper end surface of the casting body 1, then an operator holds the positioning frame 45 by one hand and respectively rotates the right adjusting screw 44 and the left adjusting screw 46 clockwise to ensure that the right adjusting screw 44 and the left adjusting screw 46 move outwards, meanwhile, the first inner clamping seat 42 and the second inner clamping seat 47 synchronously move to ensure that the right end surface of the first inner clamping seat 42 is jointed with the left end surface of the casting seat 3 and the left end surface of the second inner clamping seat 47 is jointed with the right end surface of the cap seat 5, so as to stop rotating the left adjusting screw 46 and the right adjusting screw 44, then connect fixedly first outer cassette 41 and first interior cassette 42 through first bolt, and then clamp the location to pouring seat 3, and the rethread second bolt is connected fixedly in second outer cassette 48 and the second cassette 47, and then clamps the location to emit seat 5 to avoid the fracture condition to appear between foundry goods body 1 and the interior end 2 of pouring.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a die head group tree location fixing device for investment casting, includes the foundry goods body, pours the end in, pours the seat, the positioning mechanism of being convenient for and emits the seat, its characterized in that: inner pouring ends are symmetrically arranged on the left side and the right side of the upper end face of the casting body, a pouring seat is clamped on the annular side face of each inner pouring end, a cap seat is clamped on the left side of each pouring seat, and a positioning mechanism is arranged on the upper side of the casting body;

the convenient positioning mechanism comprises a first outer clamping seat, a first inner clamping seat, a connecting seat, a right adjusting screw, a positioning frame, a left adjusting screw, a second inner clamping seat, a second outer clamping seat, a supporting plate, a supporting rod and a supporting sleeve seat, the right end surface of the pouring seat is clamped with a first outer clamping seat, the left end surface of the pouring seat is clamped with a first inner clamping seat, a connecting seat is arranged in the middle of the left end surface of the first inner clamping seat, the left end surface of the connecting seat is connected with a right adjusting screw rod, the left side of the connecting seat is welded with a positioning frame, the left side and the right side of the lower end surface of the positioning frame are symmetrically provided with supporting sleeve seats, a support rod is sleeved at the lower side in the support sleeve seat in a clamping manner, a support plate is welded on the lower end surface of the support rod, the left end face of the cap seat is clamped with a second outer clamping seat, the right end face of the cap seat is clamped with a second inner clamping seat, and the right side of the second inner clamping seat is provided with a left adjusting screw rod.

2. The apparatus of claim 1, wherein: the inside left and right sides symmetry of locating frame is provided with the internal thread, and the internal thread meshes with right adjusting screw and left adjusting screw mutually, the locating frame is made by the aluminum alloy material welding.

3. The apparatus of claim 1, wherein: the welding of right side adjusting screw right-hand member face has the anticreep piece, the welding of anticreep piece has two sets ofly, and two sets of anticreep piece specifications are the same, two sets of are installed to the connecting seat, and two sets of connecting seats all with anticreep piece phase-match.

4. The apparatus of claim 1, wherein: the left side of the inside of the supporting sleeve seat is meshed with two sets of positioning screws, and the two sets of positioning screws are matched.

5. The apparatus of claim 1, wherein: the first outer clamping seat and the first inner clamping seat are fixedly connected through a first connecting bolt, and the second outer clamping seat and the second inner clamping seat are fixedly connected through a second connecting bolt.

6. The apparatus of claim 1, wherein: the inner wall of the first outer clamping seat and the inner wall of the first inner clamping seat are matched with the pouring seat, and the inner wall of the second outer clamping seat and the inner wall of the second inner clamping seat are matched with the cap seat.