CN215587782U - Chill fixing device for sand casting - Google Patents

Abstract

The utility model discloses a chill fixing device for sand casting, which comprises a die, a chill and a positioning handle, wherein an insertion groove is formed in the inner side of the die, the insertion groove is in insertion assembly with the chill, the positioning handle comprises a handle main body, a first guide post and a second guide post, the first guide post is fixedly arranged at one end of the handle main body, the second guide post is fixedly arranged at one end, far away from the handle main body, of the first guide post, a clamping block is fixedly arranged at one end, close to the second guide post, of the circumferential surface of the first guide post, a limiting frame is fixedly arranged on the outer surface of the die, a first through hole for inserting the second guide post is formed in one side, close to the die, of the limiting frame and the die, the first through hole is communicated with the insertion groove, a blind hole for inserting the second guide post is formed in the chill, and a clamping groove is formed in one side, far away from the die, of the limiting frame. This device is convenient for fix a position the chill after the assembly of pegging graft in the grafting inslot through the cooperation of location handle and spacing frame isotructure, promotes chill positioning accuracy, and dismantles the convenience.

Description

Chill fixing device for sand casting

Technical Field

The utility model relates to the technical field of casting, in particular to a chill fixing device for sand casting.

Background

The sand casting refers to a casting method for producing castings in sand molds, the wall thickness of each part of the castings is inconsistent due to structural requirements, the parts with larger wall thickness are cooled slowly, the parts with smaller wall thickness are cooled quickly, so that the problem of uneven cooling speed of each part of the same casting is solved, the problem of shrinkage cavity, shrinkage porosity or tensile crack of the parts with thin walls is easily caused, and the chilling blocks are fixed on the parts with larger wall thickness, so that the cooling speed of the parts is accelerated, and the cooling speed of each part of the casting is consistent as much as possible.

For the fully processed casting product, the quantity of the chills is large, the chills are not accurately positioned in a mode of arranging the splicing slots on the inner side of the die for assembling the chills, the chills are easy to loosen, the position inaccuracy of one of the chills can cause that the formed product can not meet the process requirements, and in order to solve the problems, the chiller fixing device for sand casting is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chill fixing device for sand casting, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a chill fixing device for sand casting, which comprises a die, chill and location handle, the inserting groove has been seted up to the inboard of mould, inserting groove and chill grafting assembly, the location handle includes the handle main part, first guide post and second guide post, first guide post fixed mounting is in the one end of handle main part, the one end that handle main part was kept away from at first guide post is fixed mounting to second guide post, the one end fixed mounting that first guide post circumference surface is close to the second guide post has the joint piece, the quantity of joint piece is two and symmetry setting, the outer fixed surface of mould installs spacing frame, spacing frame is close to one side of mould and all offers the first through-hole that is used for pegging graft second guide post with the mould, first through-hole intercommunication inserting groove, the blind hole that is used for pegging graft second guide post is offered to the chill, spacing frame is kept away from one side of mould and is offered the joint groove.

Preferably, the clamping groove comprises a second through hole for inserting the first guide post and a rectangular through groove for inserting the clamping block, and the rectangular through groove is symmetrically arranged on two sides of the second through hole.

Preferably, the inboard of spacing frame is provided with the spring part, and the spring part cup joints the assembly with the second guide post, and the spring part is close to the one end and the spacing frame fixed assembly of mould, and the one end and the laminating of first guide post that the mould was kept away from to the spring part.

Preferably, the second guide post is kept away from the one end fixed mounting of first guide post and is inhaled the piece to first magnetism, and the blind end fixed mounting of blind hole has the second to inhale the piece to magnetism.

Preferably, the circumference surface symmetry of handle main part is carved and is equipped with first alignment line, and first alignment line aligns with the joint piece, and the spacing frame is kept away from one side surface of mould and is carved and be equipped with the second alignment line, and the contained angle of second alignment line and the logical central line of rectangle through groove is ninety degrees.

Compared with the prior art, the utility model has the beneficial effects that: this chill fixing device for sand casting can be through the cooperation of location handle and spacing frame isotructure, is convenient for fix a position the chill after the assembly of pegging graft in the plug-in groove, promotes the positioning accuracy of chill, and dismantles the convenience, guarantees the shaping quality of product.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the positioning handle of the present invention;

FIG. 3 is a schematic left side view of the structure of the position-limiting frame of the present invention.

In the figure: the die comprises a die 1, a chill 2, a blind hole 3, a first magnetic suction block 4, a second magnetic suction block 5, a second guide post 6, a spring part 7, a limiting frame 8, a clamping block 9, a first guide post 10, a handle body 11, a first alignment line 12, a clamping groove 13, a first through hole 14, a second through hole 15, a rectangular through groove 16, a positioning handle 17, a second alignment line 18 and a splicing groove 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a chill fixing device for sand casting comprises a mold 1, a chill 2 and a positioning handle 17, wherein an inserting groove 19 is formed in the inner side of the mold 1, the inserting groove 19 is formed in a part of a model to be cooled, the inserting groove 19 is inserted and assembled with the chill 2, the chill 2 is convenient to position in the vertical direction and rapidly assemble and disassemble, the positioning handle 17 comprises a handle main body 11, a first guide column 10 and a second guide column 6, the first guide column 10 is fixedly arranged at one end of the handle main body 11, the second guide column 6 is fixedly arranged at one end, far away from the handle main body 11, of the first guide column 10, clamping blocks 9 are fixedly arranged at one end, close to the second guide column 6, of the circumferential surface of the first guide column 10, the quantity of the clamping blocks 9 is two and are symmetrically arranged, a limiting frame 8 is fixedly arranged on the outer surface of the mold 1, a first through hole 14 for inserting the second guide column 6 is formed in one side, close to the mold 1, of the limiting frame 8 and the mold 1, the first through hole 14 is communicated with the inserting groove 19, the cold iron 2 is provided with a blind hole 3 for inserting the second guide column 6, and one side of the limiting frame 8, which is far away from the die 1, is provided with a clamping groove 13.

The clamping groove 13 comprises a second through hole 15 for inserting the first guide column 10 and a rectangular through groove 16 for inserting the clamping block 9, and the rectangular through groove 16 is symmetrically arranged on two sides of the second through hole 15.

The inboard of spacing frame 8 is provided with spring part 7, and spring part 7 cup joints the assembly with second guide post 6, and spring part 7 is close to the one end and the spacing frame 8 fixed mounting of mould 1, and the one end and the laminating of first guide post 10 that mould 1 was kept away from to spring part 7.

Can peg graft second guide post 6 in first through-hole 14 and blind hole 3 through holding handle main part 11, carry out the location of vertical direction to chill 2, peg graft in second through-hole 15 simultaneously first guide post 10, joint piece 9 is inboard through the logical groove 16 entering spacing frame 8 of rectangle, compression spring part 7, rotating handle main part 11 ninety degrees this moment, can drive joint piece 9 and rotate ninety degrees, with joint groove 13 dislocation joint, through the extension restoring force of spring part 7, can make joint piece 9 and 8 internal surfaces of spacing frame closely laminate, avoid 6 not hard up droops under one's command of second guide post to drop.

One end fixed mounting that first guide post 10 was kept away from to second guide post 6 has first magnetism to inhale piece 4, and the closed end fixed mounting of blind hole 3 has second magnetism to inhale piece 5, and when second guide post 6 was pegged graft in first through-hole 14 and blind hole 3, first magnetism was inhaled piece 4 and second magnetism and is inhaled piece 5 and adsorb the laminating, plays the positioning action of horizontal direction to chill 2.

The circumference surface symmetry of handle main part 11 is carved with first alignment line 12, and first alignment line 12 aligns with joint piece 9 respectively, and spacing frame 8 is kept away from one side surface of mould 1 and is carved with second alignment line 18, and the contained angle of second alignment line 18 and the logical 16 central line of rectangle through groove is ninety degrees.

Ninety degree rotates handle main part 11, drives joint piece 9 and rotates ninety degrees, and when misplacing the joint with joint groove 13, first alignment line 12 rotates along with handle main part 11, when aligning with second alignment line 18, is right ninety degrees for rotating, the operation of being convenient for.

The working principle is as follows:

the cold iron 2 is respectively inserted and assembled in the insertion groove 19, the handle body 11 is held to insert the second guide column 6 in the first through hole 14 and the blind hole 3, the cold iron 2 is positioned in the vertical direction, meanwhile, the first magnetic suction block 4 and the second magnetic suction block 5 are attracted and attached, the cold iron 2 is positioned in the horizontal direction, the first guide column 10 is inserted in the second through hole 15, the clamping block 9 enters the inner side of the limiting frame 8 through the rectangular through groove 16 to compress the spring part 7, the handle body 11 is rotated at the moment, the first alignment line 12 rotates along with the handle body 11 and is rotated ninety degrees when being aligned with the second alignment line 18, the clamping block 9 is driven to rotate ninety degrees and is clamped with the clamping groove 13 in a staggered mode, the clamping block 9 can be tightly attached to the inner surface of the limiting frame 8 through the extending reset force of the spring part 7, and the positioning is completed; after the sand casting is accomplished, reverse turning handle main part 11, joint piece 9 aligns with joint groove 13 again, through the extension restoring force of spring part 7 with the ejecting spacing frame 8 of joint piece 9, the piece 5 separation is inhaled with the second magnetism to first magnetism 4, the dismantlement of the location handle 17 of being convenient for to the chill 2's of being convenient for dismantlement.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 (5)

1. The utility model provides a chill fixing device for sand casting, includes mould (1), chill (2) and location handle (17), its characterized in that: the inner side of the die (1) is provided with an inserting groove (19), the inserting groove (19) is assembled with the chilling block (2) in an inserting mode, the positioning handle (17) comprises a handle main body (11), a first guide column (10) and a second guide column (6), the first guide column (10) is fixedly installed at one end of the handle main body (11), the second guide column (6) is fixedly installed at one end, far away from the handle main body (11), of the first guide column (10), one end, close to the second guide column (6), of the circumferential surface of the first guide column (10) is fixedly installed with clamping blocks (9), the number of the clamping blocks (9) is two and the clamping blocks are symmetrically arranged, the outer surface of the die (1) is fixedly installed with a limiting frame (8), one side, close to the die (1), of the limiting frame (8) and the die (1) are provided with first through holes (14) for inserting the second guide column (6), and the first through holes (14) are communicated with the inserting groove (19), the cold iron (2) is provided with a blind hole (3) for inserting the second guide post (6), and one side of the limiting frame (8) far away from the die (1) is provided with a clamping groove (13).

2. A chill fixing device for sand casting according to claim 1, characterized in that: the clamping groove (13) comprises a second through hole (15) for inserting the first guide column (10) and a rectangular through groove (16) for inserting the clamping block (9), and the rectangular through groove (16) is symmetrically arranged on two sides of the second through hole (15).

3. A chill fixing device for sand casting according to claim 1, characterized in that: the inboard of spacing frame (8) is provided with spring part (7), and spring part (7) cup joint the assembly with second guide post (6), and spring part (7) are close to the one end and the spacing frame (8) fixed mounting of mould (1), and the one end and the first guide post (10) laminating of mould (1) are kept away from in spring part (7).

4. A chill fixing device for sand casting according to claim 1, characterized in that: one end of the second guide post (6) far away from the first guide post (10) is fixedly provided with a first magnetic attraction block (4), and the closed end of the blind hole (3) is fixedly provided with a second magnetic attraction block (5).

5. A chill fixing device for sand casting according to claim 1, characterized in that: the handle is characterized in that a first aligning line (12) is symmetrically carved on the circumferential surface of the handle main body (11), the first aligning line (12) is respectively aligned with the clamping block (9), a second aligning line (18) is carved on the surface of one side, far away from the die (1), of the limiting frame (8), and the included angle between the second aligning line (18) and the center line of the rectangular through groove (16) is ninety degrees.

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