CN210966869U

CN210966869U - Mold core feeding and withdrawing mechanism

Info

Publication number: CN210966869U
Application number: CN201921442899.7U
Authority: CN
Inventors: 俞冬晨; 陆岁红
Original assignee: Shanghai Jinfan Machinery Casting Co ltd
Current assignee: Shanghai Jinfan Machinery Casting Co ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2020-07-10
Anticipated expiration: 2029-08-31

Abstract

The utility model discloses a mould core feeds and withdraws from mechanism relates to casting mould technical field, it includes the mould body, the spout has been seted up from the extroversion in on the mould body, the die cavity of spout intercommunication mould body, it is provided with the core to slide in the spout, one side that the core is close to this internal die cavity of mould is formed with the molding end, the outside of mould body still is provided with and is used for driving the driving piece that the core slided in the spout, the outer wall of mould body is around being equipped with the elastic sleeve in spout week, the elastic sleeve can be dismantled and fix on the mould body, the core is worn to establish the elastic sleeve and is slided the cooperation with the elastic sleeve, and core and elastic sleeve. The utility model has the advantages of reduce debris and dust and be brought into the condition emergence of mould die cavity by the core.

Description

Mold core feeding and withdrawing mechanism

Technical Field

The utility model belongs to the technical field of the casting mould technique and specifically relates to a mould core feeds and withdrawing mechanism is related to.

Background

The core is commonly called as a loam core or a core. The casting is used for forming the internal structure of a casting, and is usually made of core sand prepared from raw sand and a binder (water glass, resin and the like) in a core box by hand or by machines (such as a core blowing machine, a core shooting machine and the like).

The current chinese patent with publication number CN201316794Y discloses a mechanism of loosing core of mould, and it includes hydro-cylinder, loose core board and the pull rod of loosing core, the hydro-cylinder be two, constitute the double-cylinder unit, two hydro-cylinders are fixed mounting respectively on the movable mould lagging of mould, the equal reverse installation of piston rod of two hydro-cylinders is in respective hydro-cylinder, two piston rods respectively with the board of loosing core connect, the piston rod drives at the removal in-process the board of loosing core links, the both ends of pull rod of loosing core are connected with the take-out core board and the slider seat of mould respectively, the pull rod of loosing core be located between two hydro-cylinders, two hydro-cylinders use the pull rod of loosing core to be the center and be symmetric distribution.

By adopting the scheme, the core-pulling plate and the core-pulling pull rod are pushed to move by the oil cylinder, so that the core is pulled out. However, in some casting molds, the outer portion of the core tends to be drawn out of the mold, and the outer portion of the core is easily contaminated with impurities and dust during long-term use, and easily enters the mold cavity as the core is reciprocally fed and withdrawn, which is an improvement.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a mould core advances to give withdrawing mechanism is by elastic sleeve and core interference fit to make the elastic sleeve and with the elastic sleeve cooperation of sliding, reduce debris and dust and take place by the condition that the core brought into the mould die cavity.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a mould core advances to give withdrawing mechanism, includes the mould body, the spout has been seted up from the extroversion inwards on the mould body, the die cavity of spout intercommunication mould body, it is provided with the core to slide in the spout, one side that the core is close to mould body die cavity is formed with the molding end, the outside of mould body still is provided with the driving piece that is used for driving the core and slides in the spout, the outer wall of mould body is around being equipped with the elastic sleeve in spout week, the elastic sleeve can be dismantled and fix on the mould body, the core is worn to establish the elastic sleeve and is slided the cooperation with the elastic sleeve, just the core is with the elastic sleeve interference.

By adopting the technical scheme, in actual work, the driving part drives the mold core to slide in the sliding chute in a reciprocating manner, and the mold core is completely fed and withdrawn on the mold body; meanwhile, the elastic sleeve is used for removing sundries and dust on the outer part of the core. Through this kind of mode, it takes place to reduce debris and the condition that the dust was brought into the mould die cavity by the core, helps guaranteeing the quality of shaping part to help guaranteeing the smooth and easy nature that the core slided in the spout.

The utility model discloses further set up to: the mold core comprises a sliding base body and a molding body, the molding body is positioned on one side of the sliding groove close to the mold cavity, and the sliding base body is positioned on one side of the molding body, which is far away from the mold cavity, and is detachably and fixedly connected with the molding body.

By adopting the technical scheme, after the modeling body is worn, the worker can replace the modeling body in time, so that the normal molding operation of parts is ensured, and the quality of the molded parts is ensured.

The utility model discloses further set up to: the joint groove has been seted up to one side that the base member that slides is close to the molding body, the molding body is close to one side shaping joint piece of the base member that slides, joint groove and joint piece all are the forked tail, just joint piece joint inserts the joint groove.

Through adopting above-mentioned technical scheme, by the cooperation of the joint piece that is the dovetail and joint groove, make things convenient for the change operation of staff to the molding body on the base member that slides greatly.

The utility model discloses further set up to: the mold core is fixedly provided with a positioning plate at one side of the chute away from the cavity; when the positioning plate is abutted against the mould body at the position of the sliding groove part, the mould core slides in the sliding groove.

Through adopting above-mentioned technical scheme, when the core feeds to the die cavity, during locating plate and mould body butt, the core feeds promptly and targets in place to reduce the condition emergence that the core overfeeded on the mould body, help guaranteeing the quality of shaping part.

The utility model discloses further set up to: the fixed mounting bracket that is provided with in one side of elastic sleeve of mould body, the mounting bracket is provided with the limiting plate that is used for restricting the type core and withdraws from the stroke scope along the fixed limiting plate that is provided with in one side that mould body was kept away from to the type core slip direction.

Through adopting above-mentioned technical scheme, when the core withdraws from keeping away from the die cavity, the limiting plate is kept away from one side butt of die cavity with the core, and the die cavity is withdrawed from to the core molding end promptly and is accomplished to help shortening the stroke scope that the core slided, reduce the useless acting of driving piece to the core.

The utility model discloses further set up to: the die body is provided with an embedded groove in the circumferential side position of the sliding groove far away from one side of the cavity, and the elastic sleeve is embedded into the embedded groove.

Through adopting above-mentioned technical scheme, with elastic sleeve embedding to the embedded groove in, help guaranteeing the stability of elastic sleeve on the mould body.

The utility model discloses further set up to: fixing bolts penetrate through the elastic sleeve from one side of the elastic sleeve, which deviates from the mold body, towards the mold body, and the end parts of the fixing bolts penetrate into the mold body and are in threaded connection with the mold body.

Through adopting above-mentioned technical scheme, fix the elastic sleeve lock on the mould body by fixing bolt to make things convenient for the change operation of staff to the elastic sleeve greatly.

The utility model discloses further set up to: the driving part is a driving electric cylinder, the driving electric cylinder is fixedly arranged on the frame, the axis of the output shaft of the driving electric cylinder is parallel to the sliding direction of the mold core, and the end part of the output shaft of the driving electric cylinder is fixed with one side of the mold core outside the mold body.

Through adopting above-mentioned technical scheme, set up the driving piece into the drive electric cylinder to by electric cylinder drive core in the spout slides, thereby promote the mould core and feed and the degree of automation of withdrawing mechanism, and help guaranteeing that the core feeds to target in place and withdraw from the stability of target in place.

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

(1) the elastic sleeve is in interference fit with the mold core and is in sliding fit with the elastic sleeve, so that the situation that sundries and dust are brought into a mold cavity by the mold core is reduced;

(2) by arranging the positioning plate and the limiting plate, the feeding and withdrawing operation of the mold core is greatly facilitated, and the feeding and withdrawing operation efficiency of the mold core is improved;

(3) the elastic sleeve is embedded in the embedded groove and is locked on the die body by the fixing bolt, so that the stability of the elastic sleeve on the die body is greatly improved, and the erasing operation of the elastic sleeve on sundries and dust on the outer side part of the core is favorably ensured.

Drawings

FIG. 1 is a schematic axial view of the present embodiment, showing primarily the overall construction of the mold core feed and ejection mechanism;

fig. 2 is an exploded view of the present embodiment, mainly showing the structure of the core and the runner.

Reference numerals: 1. a mold body; 11. a cavity; 12. a chute; 13. a groove is embedded; 2. a core; 21. a gliding matrix; 211. a clamping groove; 22. molding body; 221. a modeling end; 222. a clamping block; 3. driving an electric cylinder; 31. a support frame; 4. an elastic sleeve; 41. fixing the bolt; 5. positioning a plate; 6. a mounting frame; 61. and a limiting plate.

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. 1 and 2, a mold core feeding and withdrawing mechanism, including mold body 1 including last mould and lower mould, spout 12 has been seted up from outside to inside on mold body 1, spout 12 communicates mold cavity 11 of mold body 1, it is provided with core 2 to slide in spout 12, one side that core 2 is close to mold body 1 mold cavity 11 is formed with molding end 221, mold body 1's the outside still is provided with and is used for driving electric cylinder 3 of core 2 and slide in spout 12, mold body 1's outer wall is around being equipped with elastic sleeve 4 in spout 12 week, elastic sleeve 4 can be rubber materials, elastic sleeve 4 can be dismantled and fix on mold body 1, core 2 wears to establish elastic sleeve 4 and slides with elastic sleeve 4 and cooperates, and core 2 and elastic sleeve 4 interference. In actual work, the driving piece drives the mold core 2 to slide in the chute 12 in a reciprocating manner, and the mold core 2 is completely fed and withdrawn on the mold body 1; meanwhile, the elastic sleeve 4 is used for wiping off the foreign matters and dust on the outer part of the core 2.

The die body 1 is provided with an embedded groove 13 at the peripheral side position of the chute 12 far away from the cavity 11, and the elastic sleeve 4 is embedded into the embedded groove 13. Fixing bolt 41 is arranged on the elastic sleeve 4 in a penetrating manner from one side of the elastic sleeve departing from the die body 1 to the direction of the die body 1, and the end part of the fixing bolt 41 penetrates into the die body 1 and is in threaded connection with the die body 1. When the elastic sleeve 4 is damaged by friction, a worker can unload the fixing bolt 41 from the elastic sleeve 4 and the die body 1, replace the elastic sleeve 4, and lock a new elastic sleeve 4 on the die body 1 through the fixing bolt 41.

The core 2 comprises a slip matrix 21 and a moulding body 22, wherein the moulding body 22 is positioned on one side of the chute 12 close to the cavity 11, and the slip matrix 21 is positioned on one side of the moulding body 22 away from the cavity 11. The joint groove 211 has been seted up to one side that the base member 21 that slides is close to the molding body 22, and one side integrated into one piece that the molding body 22 is close to the base member 21 that slides has joint piece 222, and joint groove 211 and joint piece 222 all are the forked tail, and joint piece 222 joint income joint groove 211. When the molding body 22 is worn, the worker can replace the molding body 22 in time, which is helpful for ensuring normal molding operation of parts.

The mold body 1 is fixedly provided with a support frame 31 on the outer wall of one side of the chute 12 far away from the cavity 11, the driving electric cylinder 3 is fixed on one side of the support frame 31 far away from the mold body 1 along the sliding direction of the mold core 2, the axis of the output shaft of the driving electric cylinder 3 is parallel to the sliding direction of the mold core 2, and the end part of the driving electric cylinder 3 is fixed with one side of the mold core 2 far away from the cavity 11. In actual work, the driving electric cylinder 3 drives the mold core 2 to slide in the chute 12, and automatic feeding and withdrawing operation of the mold core 2 is realized.

The fixed locating plate 5 that is provided with of one end that the die cavity 11 was kept away from to core 2, and mould body 1 is fixed in one side of elastic sleeve 4 and is provided with mounting bracket 6, and mounting bracket 6 is fixed along one side that mould body 1 was kept away from to core 2 direction of sliding and is provided with limiting plate 61. When the core 2 is fed to the cavity 11, the positioning plate 5 is abutted against the die body 1, namely the core 2 is fed in place; when the core 2 is withdrawn and far away from the cavity 11, the limit plate 61 is abutted against one side of the locating plate 5 far away from the cavity 11, namely the withdrawal of the molding end 221 of the core 2 from the cavity 11 is completed.

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 mold core feeding and withdrawing mechanism comprises a mold body (1), a sliding groove (12) is arranged on the mold body (1) from outside to inside, the chute (12) is communicated with a cavity (11) of the die body (1), a mold core (2) is arranged in the chute (12) in a sliding manner, a molding end (221) is formed on one side of the core (2) close to the inner cavity (11) of the mold body (1), the outer side of the die body (1) is also provided with a driving piece for driving the mold core (2) to slide in the chute (12), it is characterized in that the outer wall of the die body (1) is provided with an elastic sleeve (4) around the periphery of the sliding chute (12), elastic sleeve (4) can be dismantled and fix on mould body (1), elastic sleeve (4) are worn to establish and slip cooperation with elastic sleeve (4) in core (2), just core (2) and elastic sleeve (4) interference fit.

2. A mold core feeding and withdrawing mechanism as claimed in claim 1, wherein said core (2) comprises a sliding base (21) and a molded body (22), said molded body (22) is located at one side of the slide groove (12) close to the cavity (11), said sliding base (21) is located at one side of the molded body (22) away from the cavity (11) and is detachably and fixedly connected with the molded body (22).

3. The mold core feeding and withdrawing mechanism as claimed in claim 2, wherein a clamping groove (211) is formed in one side of the sliding base body (21) close to the molding body (22), a clamping block (222) is formed in one side of the molding body (22) close to the sliding base body (21), the clamping groove (211) and the clamping block (222) are both in a dovetail shape, and the clamping block (222) is clamped into the clamping groove (211).

4. A mould core feeding and ejecting mechanism according to claim 1, characterized in that the core (2) is fixedly provided with a positioning plate (5) on the side of the runner (12) remote from the cavity (11);

when the positioning plate (5) is abutted against the mould body (1) at the part of the chute (12), the mould core (2) slides in place in the chute (12).

5. The mold core feeding and withdrawing mechanism as claimed in claim 1 or 4, wherein the mold body (1) is fixedly provided with a mounting bracket (6) at one side of the elastic sleeve (4), and a limiting plate (61) for limiting the withdrawing stroke range of the core (2) is fixedly arranged at one side of the mounting bracket (6) far away from the mold body (1) along the sliding direction of the core (2).

6. The mold core feeding and ejecting mechanism according to claim 1, wherein the mold body (1) is provided with an insertion groove (13) at a peripheral side position of the slide groove (12) on a side away from the cavity (11), and the elastic sleeve (4) is inserted into the insertion groove (13).

7. The mold core feeding and withdrawing mechanism as claimed in claim 1 or 6, wherein a fixing bolt (41) is inserted through the elastic sleeve (4) from a side thereof departing from the mold body (1) to the mold body (1), and an end of the fixing bolt (41) penetrates into the mold body (1) and is in threaded connection with the mold body (1).

8. The mold core feeding and withdrawing mechanism as claimed in claim 1, wherein the driving member is an electric driving cylinder (3), the electric driving cylinder (3) is fixed on the frame, the axis of the output shaft of the electric driving cylinder (3) is parallel to the sliding direction of the mold core (2), and the end of the output shaft of the electric driving cylinder (3) is fixed on one side of the mold core (2) outside the mold body (1).