CN210702379U

CN210702379U - Core for rotor base casting mold

Info

Publication number: CN210702379U
Application number: CN201921567730.4U
Authority: CN
Inventors: 陈卫东; 陆岁红
Original assignee: Shanghai Jinfan Machinery Casting Co Ltd
Current assignee: Shanghai Jinfan Machinery Casting Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-06-09
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a core for rotor seat casting mould, relate to casting mould technical field, it includes the die core body, be formed with the molding side on the die core body, the both sides that the molding side corresponds half rotor seat molding curved surface all are provided with the butt joint curved surface, the position that corresponds arbitrary a set of molding curved surface on the die core body has seted up the spout to the internal direction of die core, inlay in the spout and be equipped with the sliding block, and the sliding block slides in the spout along the outside spout in the inboard direction reciprocating of die core body, the butt joint curved surface shaping is on the lateral wall of sliding block, the position that the die core body deviates from the molding side still is provided with the driving piece that is used for driving the sliding block to slide in the spout in reciprocating; and the sliding groove, the sliding block and the driving piece are in one-to-one correspondence with the butt joint curved surfaces. The utility model has the advantages of reduce half rotor seat and die core body and contradict to the condition emergence of decreasing.

Description

Core for rotor base casting mold

Technical Field

The utility model belongs to the technical field of the casting mould technique and specifically relates to a rotor seat casting core for mould is related to.

Background

The casting mould is used for obtaining the structural shape of the part, other easily-formed materials are made into the structural shape of the part in advance, then the mould is placed in a sand mould, a cavity with the same structural size as the part is formed in the sand mould, and then the flowing liquid is poured into the cavity, so that the part with the same structural shape as the mould is formed after the liquid is cooled and solidified. In order to form a required cavity in a part, a core is generally arranged in advance on a movable die or a lower die of a casting die, and the cavity can be formed on a casting after molten metal is poured and condensed.

At present, referring to fig. 1, there is a rotor base for a compressor, which is produced by splitting it into two parts, one by one, wherein a mounting chamber 61 is provided inside a half rotor base 6, and molding curved surfaces 62 are formed on inner walls of two opposite sides of the mounting chamber 61.

In the prior art, the demolding operation of the part is often to directly push or pull the part away from the core. However, when the half rotor seats 6 are pushed or pulled away from the core, the contoured surfaces 62 of the half rotor seats 6 easily interfere with the core and cause damage to the half rotor seats, which is something to be desired.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a rotor seat casting core for mould, with the help of the driving piece drive sliding block reciprocal the sliding in the groove of sliding to dodge half rotor seat molding curved surface, thereby reduce half rotor seat and contradict to the condition of losing with the core body and take place.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a mold core for a rotor seat casting mold comprises a mold core body, wherein a molding side is formed on the mold core body, butt-joint curved surfaces are arranged on two sides of the molding side, which correspond to the molding curved surfaces of a rotor seat half part, a sliding groove is formed in the mold core body in the direction towards the interior of the mold core body corresponding to the position of any one group of molding curved surfaces, a sliding block is embedded in the sliding groove, the sliding block slides in the sliding groove in a reciprocating manner along the direction from the outward sliding groove to the inner side of the mold core body, the butt-joint curved surfaces are formed on the outer side wall of the sliding block, and a driving piece for driving the sliding block to slide in the sliding groove in a reciprocating manner is further; the sliding groove, the sliding block and the driving piece are in one-to-one correspondence with the butt joint curved surfaces.

Through adopting above-mentioned technical scheme, after half rotor seat casting finishes, the movable mould and the cover half separation of casting mould to drive two sliding blocks respectively by two driving pieces and slide to the core body inboard in the spout, thereby make two sliding blocks dodge half rotor seat molding curved surface, thereby reduce half rotor seat and the conflict of core body and take place to the condition of losing, realize half rotor seat and the safe operation of withdrawing from on the core body.

The utility model discloses further set up to: the core body deviates from one side of molding side and has seted up the mounting groove, the driving piece is for driving actuating cylinder, it fixes in the mounting groove to drive actuating cylinder, the axial direction that drives actuating cylinder's piston rod is on a parallel with the direction that the sliding block slided, just the tip that drives actuating cylinder piston rod is towards the sliding block and is fixed with the sliding block.

Through adopting above-mentioned technical scheme, promote the sliding block by driving actuating cylinder and slide in the spout to realize the automatic drive operation to the sliding block in the spout, help guaranteeing half normal operation of withdrawing from of rotor seat on the type core.

The utility model discloses further set up to: a positioning step surface is arranged in the middle of the sliding groove along the sliding direction of the sliding block, the step surface faces the direction of the sliding groove on the inner side of the core body, and a positioning flange is arranged on one side of the sliding block, which is far away from the butt-joint curved surface; when the locating flange is abutted to the locating stepped surface, the butt joint curved surface is merged into the modeling side.

By adopting the technical scheme, the positioning flange is in interference fit with the positioning ladder, so that the butt joint positioning operation of the butt joint curved surface and the modeling side is greatly facilitated.

The utility model discloses further set up to: the chute is formed with a limiting plate at the inner side of the core body.

Through adopting above-mentioned technical scheme, when half rotor seat withdrawed from the core body, driving piece drive sliding block moved to the core body inboard to by the scope that the limiting plate restriction sliding block slided, thereby shortened sliding block's the stroke that slides, help promoting half rotor seat and withdraw from the efficiency of operation.

The utility model discloses further set up to: the mould core body is provided with a plurality of mould core bodies, each mould core body is provided with a mould core body corresponding to the mould surface, each mould core body is provided with an embedded groove, each embedded groove is embedded with an installation base block, each sliding groove is arranged on the corresponding installation base block, and each mould core body is provided with a fixing piece used for disassembling the fixed connection mould core body and the installation.

By adopting the technical scheme, in long-time operation, the sliding block and the sliding groove are worn to a certain degree, and a gap is easily formed between the butt joint curved surface and the modeling side; at this time, the worker can perform the replacement work of the mounting base block and the sliding block, thereby contributing to the guarantee of the production quality of the half rotor base.

The utility model discloses further set up to: the mounting is countersunk head bolt, the mounting base block is worn to establish from spout one side by countersunk head bolt, just the type core is worn to establish and will install base block locking on the type core to countersunk head bolt's tip screw thread.

Through adopting above-mentioned technical scheme, will install the base block locking in the embedded groove by countersunk head bolt, help making things convenient for the change operation of staff to installing the base block.

The utility model discloses further set up to: one side of the sliding block close to the driving air cylinder is rotatably provided with a connecting column, the axial direction of the connecting column is collinear with the axis of the piston rod of the driving air cylinder, and a threaded sleeve is in threaded connection between the connecting column and the piston rod of the driving air cylinder.

Through adopting above-mentioned technical scheme, connect drive actuating cylinder piston rod and spliced pole by the thread bush, make things convenient for the staff greatly to the connection operation between drive actuating cylinder and the sliding block.

The utility model discloses further set up to: and a rotating nut is fixedly arranged on one side of the connecting column close to the sliding block.

Through adopting above-mentioned technical scheme, fixed the setting rotates the nut on the spliced pole, makes things convenient for the rotation operation of staff to the spliced pole greatly to help making things convenient for the connection operation between staff to drive actuating cylinder piston rod and the spliced pole.

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

(1) the two sliding blocks are driven to slide in the sliding grooves in a reciprocating manner by the two driving pieces respectively, and the half rotor seat modeling curved surface is avoided, so that the situation that the half rotor seat is collided with the core body to be damaged is reduced;

(2) the driving cylinder piston rod and the connecting column are connected through the threaded sleeve, and the rotating nut is fixedly arranged on the connecting column, so that the connecting operation of the driving cylinder piston rod and the connecting column by workers is greatly facilitated.

Drawings

FIG. 1 is a schematic view of an overall configuration of a contoured surface embodying primarily a half rotor seat;

FIG. 2 is a schematic view of a core structure for a rotor base casting mold according to the present embodiment;

FIG. 3 is a schematic diagram of the present embodiment mainly showing the structure of the sliding block and the driving cylinder;

fig. 4 is a schematic diagram mainly showing the structure of the mounting base block in the present embodiment.

Reference numerals: 1. a core body; 11. modeling side; 12. a groove is embedded; 13. mounting grooves; 2. installing a base block; 21. a chute; 211. positioning the step surface; 22. a countersunk bolt; 23. a limiting plate; 231. an avoidance groove; 3. a sliding block; 31. butting curved surfaces; 32. positioning the flange; 33. connecting columns; 331. rotating the nut; 4. a driving cylinder; 5. a threaded sleeve; 6. a half rotor base; 61. installing a chamber; 62. and (5) modeling a curved surface.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example (b):

referring to fig. 2 and 3, the core for the rotor seat casting mold comprises a core body 1, wherein a modeling side 11 is formed on the core body 1, and two sides of the modeling side 11 corresponding to a modeling curved surface 62 of a half-part rotor seat 6 are provided with butt-joint curved surfaces 31. The embedded groove 12 (refer to fig. 3) has been seted up to the mould core 1 internal direction to the position of corresponding arbitrary a set of molding curved surface 62 on the mould core 1, the embedded installation base block 2 that is equipped with in the embedded groove 12, spout 21 has been seted up to outside-in on the installation base block 2, it is equipped with sliding block 3 to inlay in the spout 21, and sliding block 3 slides in the spout 21 is reciprocal along the direction by outside spout 21 at the mould core 1 inboard, the shaping of butt joint curved surface 31 is on sliding block 3's lateral wall, the position that mould core 1 deviates from molding side 11 still is provided with and is used for driving sliding block 3 the drive cylinder 4 that slides in spout 21 is reciprocal. And the embedded groove 12, the mounting base block 2, the sliding block 3 and the driving cylinder 4 are in one-to-one correspondence with the butt curved surface 31. After the half rotor seat 6 is cast, the movable mold and the fixed mold of the casting mold are separated, and the two driving parts respectively drive the two sliding blocks 3 to slide towards the inner side of the core body 1 in the sliding grooves 21, so that the two sliding blocks 3 avoid the modeling curved surface 62 of the half rotor seat 6.

The mounting base blocks 2, the sliding blocks 3 and the driving cylinders 4 corresponding to the two sets of modeling surfaces 62 are all mounted in the same manner, and the mounting base blocks 2, the sliding blocks 3 and the driving cylinders 4 corresponding to one set of modeling surfaces 62 are taken as an example for explanation.

Referring to fig. 2 and 3, a countersunk bolt 22 is arranged on the mounting base block 2, the countersunk bolt 22 penetrates through the mounting base block 2 from one side of the sliding groove 21, and the end thread of the countersunk bolt 22 penetrates through the core body 1 and locks and fixes the mounting base block 2 on the core body 1. When the installation base block 2 is worn, the worker can loosen the countersunk head bolt 22 to unload the installation base block 2 from the mold core body 1, replace the installation base block 2, and fix a new installation base block 2 through the countersunk head bolt 22.

The middle position of spout 21 along the sliding direction of sliding block 3 is provided with location stair surface 211, and location stair surface 211 is towards spout 21 in the inboard direction of core body 1, and one side that sliding block 3 kept away from butt joint curved surface 31 sets up location flange 32. The slide groove 21 is formed with a stopper plate 23 at a position inside the core body 1. When the positioning rib 32 abuts against the positioning stepped surface 211, the butt curved surface 31 merges into the modeling side 11; when the half rotor seat 6 retreats from the core body 1, the driving cylinder 4 drives the sliding block 3 to move towards the inner side of the core body 1, and the limiting plate 23 limits the sliding range of the sliding block 3, thereby shortening the sliding stroke of the sliding block 3.

Installation groove 13 has been seted up to type core 1 between two installation base blocks 2, drives actuating cylinder 4 and fixes in installation groove 13, and the axial direction that drives actuating cylinder 4's piston rod is on a parallel with the direction that sliding block 3 slided, has seted up on the limiting plate 23 and has dodged groove 231, and the tip orientation that drives actuating cylinder 4 piston rod corresponds sliding block 3 and wears to establish and dodge groove 231, and the tip that drives actuating cylinder 4 piston rod can dismantle fixedly with sliding block 3. One side of the sliding block 3 close to the driving cylinder 4 is provided with a connecting column 33 in a rotating mode through a bearing, the axial direction of the connecting column 33 is collinear with the axis of the piston rod of the driving cylinder 4, and a threaded sleeve 5 is coaxially connected between the connecting column 33 and the piston rod of the driving cylinder 4 in a threaded mode. In order to facilitate the rotation of the connecting column 33 by the staff, a rotating nut 331 is fixedly arranged on one side of the connecting column 33 close to the sliding block 3. In the actual installation, the staff can be with 5 threaded connection of thread bush at the piston rod tip who drives actuating cylinder 4 to rotation spliced pole 33 for spliced pole 33 screw in thread bush 5, thereby realize sliding block 3 and drive and can dismantle between the 4 piston rods of actuating cylinder fixedly, help making things convenient for the installation and the uninstallation operation of staff to sliding block 3.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A core for a rotor seat casting mold comprises a core body (1), wherein a modeling side (11) is formed on the core body (1), the modeling side (11) is provided with a butt joint curved surface (31) corresponding to the two sides of the modeling curved surface (62) of the half-part rotor seat (6), it is characterized in that a sliding groove (21) is arranged on the position of the core body (1) corresponding to any one group of modeling curved surfaces (62) towards the inner direction of the core body (1), a sliding block (3) is embedded in the sliding groove (21), and the sliding block (3) slides in the sliding groove (21) in a reciprocating manner along the direction from the outside to the inside of the mold core body (1) along the sliding groove (21), the butt joint curved surface (31) is formed on the outer side wall of the sliding block (3), and a driving piece for driving the sliding block (3) to slide in the sliding groove (21) in a reciprocating mode is further arranged at the position, deviating from the molding side (11), of the core body (1); and the sliding groove (21), the sliding block (3) and the driving piece are in one-to-one correspondence with the butt joint curved surface (31).

2. The core for the rotor base casting mold as claimed in claim 1, wherein a mounting groove (13) is formed in one side of the core body (1) away from the molding side (11), the driving member is a driving cylinder (4), the driving cylinder (4) is fixed in the mounting groove (13), an axial direction of a piston rod of the driving cylinder (4) is parallel to a sliding direction of the sliding block (3), and an end portion of the piston rod of the driving cylinder (4) faces the sliding block (3) and is fixed with the sliding block (3).

3. The core for the rotor seat casting mold according to claim 1, wherein a positioning stepped surface (211) is arranged in the middle position of the sliding groove (21) along the sliding direction of the sliding block (3), the positioning stepped surface (211) faces the direction of the sliding groove (21) on the inner side of the core body (1), and a positioning rib (32) is arranged on one side of the sliding block (3) far away from the butt curved surface (31);

when the positioning flange (32) is abutted to the positioning stepped surface (211), the butt joint curved surface (31) is merged into the modeling side (11).

4. A core for a rotor seat casting mold according to claim 1, characterized in that the runner (21) is formed with a stopper plate (23) at a position inside the core body (1).

5. The core for the rotor base casting mold according to claim 1, wherein an embedded groove (12) is formed in the core body (1) at a position corresponding to the modeling curved surface (62) on the core body (1), the installation base block (2) is embedded in the embedded groove (12), the sliding groove (21) is formed in the installation base block (2), and a fixing member for detachably and fixedly connecting the core body (1) and the installation base block (2) is arranged on the core body (1).

6. The core for the rotor holder casting mold according to claim 5, wherein the fixing member is a countersunk bolt (22), the countersunk bolt (22) penetrates through the mounting base block (2) from one side of the sliding groove (21), and an end thread of the countersunk bolt (22) penetrates through the core body (1) and locks the mounting base block (2) on the core body (1).

7. The core for the rotor base casting mold as claimed in claim 2, wherein a connecting column (33) is rotatably arranged on one side of the sliding block (3) close to the driving cylinder (4), the axial direction of the connecting column (33) is collinear with the axis of the piston rod of the driving cylinder (4), and a threaded sleeve (5) is in threaded connection between the connecting column (33) and the piston rod of the driving cylinder (4).

8. A core for a rotor holder casting mold as claimed in claim 7, wherein a rotation nut (331) is fixedly provided at a side of the connection post (33) close to the sliding block (3).