CN111113817A

CN111113817A - Evaporator shell casting mold

Info

Publication number: CN111113817A
Application number: CN202010007311.6A
Authority: CN
Inventors: 不公告发明人
Original assignee: Qin Fukui
Current assignee: Hunan Chengxin Sunan Refrigeration Equipment Co ltd
Priority date: 2020-01-04
Filing date: 2020-01-04
Publication date: 2020-05-08
Anticipated expiration: 2040-01-04
Also published as: CN111113817B

Abstract

The invention provides an evaporator shell casting mold, which comprises: the supporting seat, the backup pad, the fixed plate, the core, the push rod, the deflector, the guide bar, first spring, help and draw mechanism and chucking mechanism, it has the backup pad to support on the supporting seat, install the core through the fixed plate in the backup pad, the push rod passes the backup pad, fixed plate and core, the end fixing to the deflector that the push rod is located the backup pad below, the relative backup pad of push rod ability, fixed plate and core move in vertical direction, the deflector supplies a guide bar to pass, guide bar one end is fixed with the backup pad, first spring one end is fixed with the backup pad, the first spring other end is fixed with the deflector. Evaporimeter casing casting mould solves needs manual promotion push pedal and push rod and leads to the troublesome problem of operation among the prior art, solves the spring simultaneously and damages the back push rod and stretch into to the die cavity easily and lead to the obstructed problem of work piece shaping.

Description

Evaporator shell casting mold

Technical Field

The invention relates to equipment for evaporator production, in particular to an evaporator shell casting mold.

Background

Chinese patent discloses a CN201420415359.0 hot runner mold capable of improving the molding rate of the upper shell of the evaporator of the automobile, which includes: push pedal and release link, be provided with the release link on the top face of push pedal, the bottom and the push rod of release link are fixed, and the top of release link and the bottom mounting of backup pad have a spring to registrate on the outer wall of release link, the both ends of spring contact with push pedal fixed plate and backup pad respectively. The release link keeps realizing reset function with the mould after the action to carry out work next time, registrate the spring on the outer wall of release link, utilize the elasticity of spring, make to have an elastic force between release link and the backup pad all the time, and the both ends of spring be welded fastening in push pedal fixed plate and backup pad, reduce the direct hard contact of backup pad and supporting seat, can borrow spring force when the release link resets and reset, increase the life of release link, but this mould has following problem:

the push rod can be pushed to separate from the mold core only by manually pushing the push plate, so that the operation is troublesome, and the push rod is easy to stretch into the mold cavity before the workpiece is molded after the spring is damaged, so that the workpiece is molded under the action of the push rod, and the molded workpiece is possibly scrapped.

Disclosure of Invention

The invention provides an evaporator shell casting mold, which solves the problem of operation trouble caused by manually pushing a push plate and a push rod in the prior art, and simultaneously solves the problem of workpiece molding obstruction caused by the fact that the push rod is easy to extend into a mold cavity after a spring is damaged.

In order to achieve the purpose, the invention adopts the following technical scheme:

an evaporator shell casting mold comprising: the mold comprises a supporting seat, a supporting plate, a fixing plate, a mold core, a push rod, a guide plate, a guide rod, a first spring, a pull-assisting mechanism and a clamping mechanism, wherein the supporting plate is supported on the supporting seat, the mold core is installed on the supporting plate through the fixing plate, the push rod penetrates through the supporting plate, the fixing plate and the mold core, the end part of the push rod, which is positioned below the supporting plate, is fixed to the guide plate, the push rod can move in the vertical direction relative to the supporting plate, the fixing plate and the mold core, the guide plate is used for penetrating through the guide rod, one end of the guide rod is fixed to the supporting plate, one end of the first spring is fixed to the supporting plate, the other end of the first spring is fixed to the guide plate, a workpiece formed in the mold core can be ejected out under the elastic force of the first spring, the pull-assisting mechanism penetrates out, when the clamping mechanism clamps the pulling-assistant mechanism, the top surface of the push rod and the inner bottom surface of the mold core are on the same plane.

Compared with the prior art, the invention has the following beneficial effects:

1) the guide plate and the guide rod slide relatively, so that the workpiece in the mold core is pushed out under the elastic force of the first spring, and the operation is facilitated;

2) by arranging the pulling-assisted mechanism, the workpiece in the core can still be pushed after the spring is damaged, and meanwhile, the push rod is pulled to the position that the top surface of the push rod and the inner bottom surface of the core are on the same plane;

3) under the effect of the clamping mechanism, the top surface of the push rod is kept on the same plane with the inner bottom surface of the mold core before the workpiece is not formed, the push rod is prevented from influencing the forming of the workpiece, the quality of the workpiece is guaranteed, the push rod can be kept even if the spring is damaged, and the quality of the formed workpiece is further guaranteed.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a cross-sectional view of an evaporator shell casting mold;

fig. 2 is an enlarged view of a point a in fig. 1.

Reference numerals: the mold core assembling device comprises a supporting seat 11, a supporting plate 12, a fixing plate 13, a mold core 2, a push rod 3, a guide plate 4, a guide rod 5, a first spring 6, a pulling-assisted mechanism 7, a push rod 71, a push plate 72, a clamping mechanism 8, a clamping arm 81, a second spring 82, a clamping pin 83, a third spring 84, an auxiliary pushing mechanism 9, a mounting cylinder 91, a pressing rod 92, a mounting disc 93 and a fourth spring 94.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the functions of the invention clearer and easier to understand, the invention is further explained by combining the drawings and the detailed implementation mode:

as shown in fig. 1 and 2, the present invention provides an evaporator shell casting mold, including: the mold core pulling device comprises a supporting seat 11, a supporting plate 12, a fixing plate 13, a mold core 2, a push rod 3, a guide plate 4, a guide rod 5, a first spring 6, a pulling assisting mechanism 7 and a clamping mechanism 8, wherein the supporting plate 12 is supported on the supporting seat 11, the mold core 2 is installed on the supporting plate 12 through the fixing plate 13, the push rod 3 penetrates through the supporting plate 12, the fixing plate 13 and the mold core 2, the end part of the push rod 3, which is positioned below the supporting plate 12, is fixed to the guide plate 4, the push rod 3 can move in the vertical direction relative to the supporting plate 12, the fixing plate 13 and the mold core 2, the guide rod 5 is provided for the guide rod 5 to penetrate through, one end of the guide rod 5 is fixed to the supporting plate 12, one end of the first spring 6 is fixed to the supporting plate 12, the other end of the first spring 6 is fixed to the guide plate 4, a workpiece formed in the, and the pull-assisting mechanism 7 can move in the vertical direction relative to the supporting seat 11, the supporting seat 11 is provided with a clamping mechanism 8 for clamping the pull-assisting mechanism 7, and when the clamping mechanism 8 clamps the pull-assisting mechanism 7, the top surface of the push rod 3 and the inner bottom surface of the mold core 2 are on the same plane.

In order to design the pull-assisting mechanism 7 with a simple structure, and realize that the push rod 3 can move downwards by acting on the pull-assisting mechanism 7, the pull-assisting mechanism 7 comprises: the push rod 71 and the push plate 72, the push rod 71 is fixed with the guide plate 4, the support seat 11 is provided with a sliding groove for the push rod 71 to slide, and the push rod 71 is fixed with the push plate 72 outside the support seat 11.

In order to design convenient to use's chucking mechanism 8, realize releasing chucking mechanism 8 and can release catch plate 72 after pressing chucking mechanism 8, chucking mechanism 8 includes: chucking arm 81, second spring 82, bayonet lock 83 and third spring 84, the sunken mounting hole that forms of supporting seat 11 lateral wall, install chucking arm 81 in the mounting hole, chucking arm 81 is connected to second spring 82 one end, second spring 82 other end is fixed to the mounting hole inner wall, chucking arm 81 is sunken to form the bayonet hole, the sunken flexible hole that forms of mounting hole inner wall, install bayonet lock 83 in the flexible hole, third spring 84 one end is fixed to bayonet lock 83 one end, third spring 84 other end is fixed to the flexible downthehole wall, can keep bayonet lock 83 to stretch into to the bayonet hole under third spring 84 elasticity, the spacing hole that supplies chucking arm 81 to stretch into is seted up to the slurcam 72, chucking arm 81 is perpendicular with push rod 3, can keep chucking arm 81 to stretch into to spacing downthehole under second spring 82 elasticity, chucking arm 81 keeps away from spacing hole when bayonet lock 83 stretches into to the bayonet hole.

In order to prevent the clamping mechanism 8 from suddenly releasing the pushing plate 72 when a finger is positioned in the limiting hole and the pushing plate 72 from hurting the finger under the elastic force of the first spring 6, the pushing plate 72 is provided with the auxiliary pushing mechanism 9, and the auxiliary pushing mechanism 9 can push the clamping arm 81 to retract into the mounting hole when external force acts on the auxiliary pushing mechanism 9.

In order to design the auxiliary pushing mechanism 9 which is convenient to use and avoid the auxiliary pushing mechanism 9 from blocking the first spring 6 from bouncing so as to separate the workpiece in the core 2 from the core 2, the auxiliary pushing mechanism 9 comprises: the mounting device comprises a mounting cylinder 91, a pressing rod 92, a mounting disc 93 and a fourth spring 94, wherein the mounting cylinder 91 is mounted on one side, away from the clamping arm 81, of the pushing plate 72, the mounting cylinder 91 penetrates through the pressing rod 92, one end of the pressing rod 92 extends into the limiting hole, the other end of the pressing rod 92 is fixed to the mounting disc 93, the fourth spring 94 is connected between the mounting disc 93 and the mounting cylinder 91, the pressing rod 92 is parallel to the clamping arm 81, the pressing rod 92 can extend into the mounting hole, and the end, close to the clamping arm 81, of the pressing rod 92 is kept to be located in the limiting hole under the elastic force of the fourth spring 94.

The working principle of the embodiment is as follows: before casting materials are injected into the core 2, firstly, the pushing plate 72 is manually moved, so that the limiting hole in the pushing plate 72 is aligned with the clamping arm 81; then, the pressing rod 92 is pressed, the chucking arm 81 moves from the aligning position of the chucking hole and the chuck pin 83 to the direction away from the pressing rod 92, and the elasticity of the second spring 82 is greatly increased; finally, the pressing rod 92 is released, the clamping arm 81 rapidly moves towards the limiting hole under the elastic force of the second spring 82, the clamping pin 83 does not reach into the clamping hole due to the fact that the movement speed of the clamping arm 81 is high, the clamping hole goes over the clamping pin 83, meanwhile, the pressing rod 92 also retracts into the limiting hole under the elastic force of the fourth spring 94, and the limiting of the pushing plate 72 is achieved.

When the workpiece needs to be taken out after being formed, firstly, the pressing rod 92 is pressed to enable the clamping arm 81 to be retracted into the mounting hole, and the second spring 82 is deformed at the moment, so that the movement speed of the clamping arm 81 is slow, when the clamping hole is aligned with the clamping pin 83, the clamping arm extends into the clamping hole under the elastic force of the third spring 84, and meanwhile, the pressing rod 92 is also retracted into the limiting hole under the elastic force of the fourth spring 94; then, when the pressing rod 92 retracts into the limit hole, the guide plate 4 drives the push rod 3 to move towards the core 2 under the elastic force of the first spring 6, and the push rod 3 pushes the workpiece out of the core 2.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. An evaporator shell casting mold, comprising: the mold comprises a supporting seat, a supporting plate, a fixing plate, a mold core, a push rod, a guide plate, a guide rod, a first spring, a pull-assisting mechanism and a clamping mechanism, wherein the supporting plate is supported on the supporting seat, the mold core is installed on the supporting plate through the fixing plate, the push rod penetrates through the supporting plate, the fixing plate and the mold core, the end part of the push rod, which is positioned below the supporting plate, is fixed to the guide plate, the push rod can move in the vertical direction relative to the supporting plate, the fixing plate and the mold core, the guide plate is used for penetrating through the guide rod, one end of the guide rod is fixed to the supporting plate, one end of the first spring is fixed to the supporting plate, the other end of the first spring is fixed to the guide plate, a workpiece formed in the mold core can be ejected out under the elastic force of the first spring, the pull-assisting mechanism penetrates out, when the clamping mechanism clamps the pulling-assistant mechanism, the top surface of the push rod and the inner bottom surface of the mold core are on the same plane.

2. The evaporator shell casting mold of claim 1, wherein the pull-assist mechanism comprises: catch bar and catch plate, catch bar are fixed with the deflector, have seted up on the supporting seat and have supplied the gliding spout of catch bar, and the catch bar is fixed with the catch plate that is located outside the supporting seat.

3. The evaporator shell casting mold of claim 2, wherein the clamping mechanism comprises: the chucking arm, the second spring, bayonet lock and third spring, the sunken mounting hole that forms of supporting seat lateral wall, install the chucking arm in the mounting hole, the chucking arm is connected to second spring one end, second spring other end is fixed to the mounting hole inner wall, the sunken card hole that forms of chucking arm, the sunken flexible hole that forms of mounting hole inner wall, install the bayonet lock in the flexible hole, the fixed third spring one end of bayonet lock one end, the third spring other end is fixed to the flexible hole inner wall, can keep the bayonet lock to stretch into to the bayonet lock downthehole under third spring force, the spacing hole that supplies the chucking arm to stretch into is seted up to the slurcam, the chucking arm is perpendicular with the push rod, can keep the chucking arm to stretch into to spacing downthehole under second spring force, the chucking arm keeps away from spacing hole when the bayonet lock stretches into to.

4. The evaporator shell casting mold according to claim 3, wherein an auxiliary pushing mechanism is mounted on the pushing plate, and the auxiliary pushing mechanism can push the clamping arm to retract into the mounting hole when an external force acts on the auxiliary pushing mechanism.

5. The evaporator shell casting mold of claim 4, wherein the auxiliary urging mechanism comprises: the mounting cylinder, press the pole, mounting disc and fourth spring, deviate from chucking arm one side at the slurcam and install the mounting cylinder, the mounting cylinder has passed one and has pressed the pole, press pole one end to stretch into spacing downthehole, press the pole other end fixed to the mounting disc, be connected with the fourth spring between mounting disc and the mounting cylinder, press the pole and be parallel with the chucking arm, press the pole and can stretch into to the mounting hole in, keep pressing the pole to be close to the tip of chucking arm and be located spacing downthehole under fourth spring force.