CN116117117A

CN116117117A - Metallurgical casting die convenient for demolding and discharging

Info

Publication number: CN116117117A
Application number: CN202211490885.9A
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-16

Abstract

The invention discloses a metallurgical casting die convenient for demolding and blanking, which belongs to the technical field of casting equipment and comprises a shell, a lower die and an upper die, wherein a lifting table is slidably arranged in the shell, the lower die is arranged on the lifting table, and the upper die is arranged above the lower die. According to the invention, in the lifting process of the lifting piece, the telescopic rod is matched with the sliding block, the scraper is automatically controlled to move along the side wall of the lower die plate, the forming piece is automatically separated from the side wall of the lower die plate, the adhesion between the periphery of the forming piece and the lower die plate is reduced, the demolding is convenient, and when the telescopic rod rotates to a vertical position, the upper die plate is dragged to lift, so that the demolding efficiency is improved; through controlling the scraper blade to remove, the shaping piece is pushed away from the lower bolster voluntarily to clear up the lower bolster inner wall in scraper blade removal in-process voluntarily, the remaining metal chip of lower bolster inner wall has improved the surface quality of shaping piece.

Description

Metallurgical casting die convenient for demolding and discharging

Technical Field

The invention belongs to the technical field of casting equipment, and particularly relates to a metallurgical casting die convenient for demolding and blanking.

Background

The importance of casting molds as a domestic large-scale basic industry has been recognized by more and more people, and with the rapid development of domestic automobile, machinery and other industries, the demands of the casting industry on casting molds are increasing. In the metallurgical casting process, in the process of forming and demolding of a metal material in a mold, due to improper control of temperature and the like, the periphery of a formed part is easy to adhere to the inner wall of the mold, so that demolding is difficult, and the metallurgical casting mold capable of reducing the adhesion between the material and the mold and facilitating demolding and blanking is provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention aims to provide a metallurgical casting die which is convenient for demoulding and blanking.

The aim of the invention can be achieved by the following technical scheme:

the metallurgical casting die comprises a shell, a lower die and an upper die, wherein a lifting table is slidably arranged in the shell, the lower die is arranged on the lifting table, and the upper die is arranged above the lower die;

the lower die comprises a lower die plate fixedly arranged on the upper surface of a lifting table, one side of the lower die plate is communicated, the other side of the lower die plate is provided with a limiting groove, an L-shaped pushing piece is connected in the limiting groove in a sliding mode, one end of the L-shaped pushing piece is fixedly connected with a scraping plate, the lifting table is fixedly connected with a plurality of bearing seats, a reciprocating screw rod is connected in the bearing seats in a rotating mode, and the other end of the L-shaped pushing piece is connected with the reciprocating screw rod in a threaded mode;

the top of bed die is equipped with the cope match-plate pattern, the cope match-plate pattern is including rotating the first lead screw of establishing in the casing, threaded connection has the lifting piece on the first lead screw, the both ends of lifting piece are equipped with two sets of connecting pieces, be equipped with the telescopic link on the connecting piece, the bottom of telescopic link is equipped with the slider, install the scraper on the slider, the bottom of first lead screw is equipped with spacing disc, the below of spacing disc is equipped with the cope match-plate pattern, be equipped with many slide rails on the cope match-plate pattern, and slider sliding connection is inside the slide rail, the inside rotation of casing is equipped with a plurality of second lead screws, threaded connection has the thread bush on the second lead screw, the mould baffle is installed to the bottom of thread bush, a plurality of pouring mouths have been seted up on the cope match-plate pattern.

The invention has the beneficial effects that:

1. according to the invention, in the lifting process of the lifting piece, the telescopic rod is matched with the sliding block, the scraper is automatically controlled to move along the side wall of the lower die plate, the forming piece is automatically separated from the side wall of the lower die plate, the adhesion between the periphery of the forming piece and the lower die plate is reduced, the demolding is convenient, and when the telescopic rod rotates to a vertical position, the upper die plate is dragged to lift, so that the demolding efficiency is improved;

2. according to the invention, the scraper is controlled to move, so that the formed part is automatically pushed away from the lower die plate, the inner wall of the lower die plate is automatically cleaned in the moving process of the scraper, and the metal scraps remained on the inner wall of the lower die plate are automatically cleaned, so that the surface quality of the formed part is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic diagram I of the upper mold;

FIG. 3 is a schematic diagram II of the upper mold;

FIG. 4 is an enlarged view of a portion of FIG. 2 at A;

FIG. 5 is a schematic view of the structure of the telescopic rod;

fig. 6 is a schematic view of the structure of the lower die.

The reference numerals in the figures illustrate:

1. a housing; 2. a steering motor; 3. an upper die; 301. a movable groove; 302. a slide rail; 303. a slide block; 304. a connecting piece; 305. an upper template; 306. a thread sleeve; 307. a telescopic rod; 3071. a sleeve; 3072. a cylindrical slider; 3073. a loop bar; 308. a second screw rod; 309. a first driven wheel; 310. a first belt; 311. a driving wheel; 312. a first screw rod; 313. a guide rod; 314. double-groove driven wheel; 315. a second belt; 316. a second driven wheel; 317. pouring the port; 318. a scraper; 319. a limit rod; 320. a die baffle; 321. a limit disc; 322. a lifting member; 4. a connecting shaft; 5. a first bevel gear; 6. a second bevel gear; 7. a lower die; 701. a lower template; 702. an Chacao; 703. a scraper; 704. a limiting hole; 705. a limit groove; 706. an L-shaped pushing piece; 707. a reciprocating screw rod; 8. a hydraulic cylinder; 9. and a lifting platform.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Referring to fig. 1 to 6, a metallurgical casting mold convenient for demolding and blanking comprises a housing 1, wherein a plurality of hydraulic cylinders 8 are fixedly installed in the housing 1, a lifting table 9 is connected in the housing 1 in a sliding manner, the lower surface of the lifting table 9 is fixedly connected with the output end of the hydraulic cylinders 8, a lower mold 7 is arranged on the upper surface of the lifting table 9, the lower mold 7 comprises a lower mold plate 701 fixedly installed on the upper surface of the lifting table 9, one side of the lower mold plate 701 is communicated, the other side of the lower mold plate 701 is provided with a limit groove 705, the inside of the limit groove 705 is connected with an L-shaped pushing piece 706 in a sliding manner, one end of the L-shaped pushing piece 706 is fixedly connected with a scraping plate 703, the scraping plate 703 not only can be used for cleaning metal slag remained on the inner wall of the lower mold plate 701, but also can be used for automatically pushing a formed piece away from the lower mold plate 701, the lifting table 9 is fixedly connected with a plurality of bearing seats, the bearing seats are rotationally connected with a reciprocating screw rod 707, the other end of the L-shaped pushing piece 706 is in threaded connection with the reciprocating screw rod 707, two insert grooves 702 are formed in the lower mold plate 701, and a plurality of limit holes 704 are formed in the lower mold plate 701;

the inside of the shell 1 is rotationally connected with a connecting shaft 4, the bottom end of the connecting shaft 4 is fixedly connected with a first bevel gear 5, one end of a reciprocating screw rod 707 is fixedly connected with a second bevel gear 6, the first bevel gear 5 and the second bevel gear 6 are meshed for transmission, a power source is provided for the movement of an L-shaped pushing piece 706, and the top end of the shell 1 is provided with a steering motor 2;

the upper die 3 is arranged above the lower die 7, the upper die 3 comprises a first screw rod 312 which is rotatably arranged in the shell 1, the top end of the first screw rod 312 is fixedly connected with the output end of the steering motor 2, a driving wheel 311 is fixedly sleeved outside the first screw rod 312, a lifting piece 322 is connected with the first screw rod 312 in a threaded manner, two groups of connecting pieces 304 are symmetrically arranged at two ends of the lifting piece 322, a telescopic rod 307 is arranged on the connecting pieces 304, the telescopic rod 307 comprises a sleeve 3071 hinged on the connecting pieces 304, a cylindrical sliding block 3072 is sleeved in the sleeve 3071 in a sliding manner, the bottom end of the cylindrical sliding block 3072 is fixedly connected with a sleeve 3073, the bottom end of the sleeve 3073 is hinged with a sliding block 303, a scraper 318 is fixedly connected with the bottom end of the sliding block 303, the lifting piece 322 is controlled to move through the telescopic rod 307 in the lifting process, the forming piece is automatically separated from the lower die plate 701, the adhesion between the periphery of the forming piece and the lower die plate 701 is reduced, the convenient drawing of patterns, the inside symmetry sliding connection of lifting piece 322 has two guide bars 313, and the top of guide bar 313 and the top inner wall fixed connection of casing 1, the bottom fixedly connected with limit disc 321 of two guide bars 313, and the bottom and the limit disc 321 of first lead screw 312 rotate to be connected, the below of limit disc 321 is equipped with cope match-plate pattern 305, the symmetry is equipped with two slide rails 302 on the cope match-plate pattern 305, and slider 303 and slide rail 302 sliding connection, movable groove 301 has been seted up to the symmetry on cope match-plate pattern 305, and movable groove 301 is located slide rail 302, scraper 318 passes movable groove 301, move in movable groove 301, the inside symmetry rotation of casing 1 is connected with two second lead screws 308, the outside fixed cover of one of them second lead screw 308 is equipped with double-groove driven wheel 314, the outside fixed cover of another second lead screw 308 is equipped with first driven wheel 309, action wheel 311, the outer parts of the double-groove driven wheel 314 and the first driven wheel 309 are sleeved with a first belt 310, the outer threads of the second screw rod 308 are connected with a thread sleeve 306, the thread sleeve 306 penetrates through the upper template 305, the bottom end of the thread sleeve 306 is fixedly connected with a die baffle 320, the lower surface of the upper template 305 is fixedly connected with a plurality of limiting rods 319, when the upper template 305 is combined on the lower template 701, the limiting rods 319 are inserted into limiting holes 704, the stability of the connection between the upper template 305 and the lower template 701 is improved, meanwhile, the two die baffles 320 are inserted into An Chacao, a forming cavity is formed between the two sides and the bottom of the lower template 701, a plurality of pouring ports 317 are formed in the upper template 305, and metal solution is injected into the forming cavity through the pouring ports 317;

the second driven wheel 316 is fixedly sleeved outside the connecting shaft 4, and a second belt 315 is sleeved outside the second driven wheel 316 and the double-groove driven wheel 314.

Working principle: firstly, starting a steering motor 2, controlling an output shaft of the steering motor 2 to rotate positively, controlling a first screw rod 312 to rotate positively, controlling a lifting piece 322 to descend, controlling a telescopic rod 307 to descend through a connecting piece 304, driving an upper template 305 to descend through a sliding block 303, enabling a limiting rod 319 to be smoothly inserted into a limiting hole 704, after the limiting rod 319 is completely inserted into the limiting hole 704, enabling the first screw rod 312 to continue rotating positively, enabling the sliding block 303 to rotate outwards around a hinging point at the top end of a sleeve 3071, automatically pushing a scraper 318 out of a forming cavity, simultaneously enabling a driving wheel 311 to drive a first driven wheel 309 and a double-groove driven wheel 313 to rotate through a belt 310, controlling two second screw rods 308 to rotate positively, controlling a threaded sleeve 306 to descend, enabling a die baffle 320 to descend, and smoothly inserting An Chacao, and then closing the steering motor 2, and then injecting metal molten paste into the forming cavity through a pouring opening 317;

after the material is formed, the steering motor 2 is started again, the output shaft of the steering motor 2 is controlled to rotate reversely, the first screw rod 312 is controlled to rotate reversely, the first belt 310 is used for driving, the two second screw rods 308 are controlled to rotate reversely, the threaded sleeve 306 is controlled to ascend, the die baffle 320 is separated from An Chacao 702, meanwhile, the first screw rod 312 is also controlled to ascend, the two adjacent telescopic rods 307 in the same group rotate around the hinging point on the connecting piece 304, the two sliding blocks 303 are mutually close to each other, the scraper 318 is driven to move along the side wall of the lower die plate 701, the formed piece is automatically separated from the lower die plate 701, and when the telescopic rods 307 are in a vertical state, the first screw rod 312 continues to rotate, and the upper die plate 305 is dragged by the sliding blocks 303 to ascend and separate from the lower die plate 701;

meanwhile, the double-groove driven wheel 314 drives the second driven wheel 316 to rotate through the second belt 315, so that the connecting shaft 4 is driven to rotate reversely, the first bevel gear 5 is driven to rotate reversely, after the upper die plate 305 is separated from the lower die plate 701, the lifting table 9 is controlled to descend through the hydraulic cylinder 8, the first bevel gear 5 is meshed with the second bevel gear 6 to drive, so that the reciprocating screw rod 707 is controlled to rotate, the L-shaped pushing piece 706 is controlled to move, the scraper 703 is pushed to move towards the forming cavity, the forming piece is automatically pushed away from the lower die plate 701, after the forming piece is pushed away from the lower die plate 701, the L-shaped pushing piece 706 controls the scraper 703 to return to the initial position, in the first removing process of the scraper 703, not only the forming piece is pushed away from the lower die plate 701, but also metal scraps remained on the inner wall of the lower die plate 701 are automatically scraped, the influence of the metal scraps on the forming piece is reduced, and the surface quality of the forming piece at the next time is improved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims

1. The metallurgical casting die convenient for demoulding and blanking comprises a shell (1), a lower die (7) and an upper die (3), and is characterized in that a lifting table (9) is slidably arranged in the shell (1), the lower die (7) is arranged on the lifting table (9), and the upper die (3) is arranged above the lower die (7);

the lower die (7) comprises a lower die plate (701) fixedly arranged on the upper surface of a lifting table (9), one side of the lower die plate (701) is communicated, a limit groove (705) is formed in the other side of the lower die plate, an L-shaped pushing piece (706) is connected in the limit groove (705) in a sliding mode, a scraping plate (703) is fixedly connected to one end of the L-shaped pushing piece (706), a plurality of bearing seats are fixedly connected to the lifting table (9), a reciprocating screw rod (707) is connected to the bearing seats in a rotating mode, and the other end of the L-shaped pushing piece (706) is in threaded connection with the reciprocating screw rod (707);

the top of bed die (7) is equipped with mould (3), go up mould (3) including rotating first lead screw (312) of establishing in casing (1), threaded connection has lifting piece (322) on first lead screw (312), the both ends of lifting piece (322) are equipped with two sets of connecting pieces (304), be equipped with telescopic link (307) on connecting piece (304), the bottom of telescopic link (307) is equipped with slider (303), install scraper (318) on slider (303), the bottom of first lead screw (312) is equipped with spacing disc (321), the below of spacing disc (321) is equipped with cope match-plate pattern (305), be equipped with many slide rails (302) on cope match-plate pattern (305), and slider (303) sliding connection is inside slide rail (302), the inside rotation of casing (1) is equipped with a plurality of second lead screws (308), threaded connection has thread bush (306) on second lead screw (308), mould baffle (320) are installed to the bottom of thread bush (306), cope match-plate pattern (305) have seted up a plurality of mouths (317).

2. The metallurgical casting die convenient for demolding and blanking according to claim 1, characterized in that the telescopic rod (307) comprises a sleeve (3071) hinged on the connecting piece (304), a cylindrical sliding block (3072) is sleeved in the sleeve (3071) in a sliding way, and a sleeve rod (3073) is connected to the bottom end of the cylindrical sliding block (3072).

3. The metallurgical casting die convenient for demoulding and blanking according to claim 1, wherein a plurality of hydraulic cylinders (8) are arranged in the shell (1), and the lower surface of the lifting table (9) is connected with the output end of the hydraulic cylinders (8).

4. The metallurgical casting die convenient for demoulding and blanking according to claim 1, wherein two inserting grooves (702) are formed in the lower die plate (701), and forming cavities are formed between the two die baffle plates (320) and the two sides and the bottom of the lower die plate (701).

5. The metallurgical casting die convenient for demoulding and blanking according to claim 1, wherein a plurality of guide rods (313) are fixedly connected in the shell (1), the guide rods (313) are slidably connected with the lifting pieces (322), and the bottom ends of the guide rods (313) are fixedly connected with the limiting discs (321).

6. The metallurgical casting die convenient for demoulding and blanking according to claim 1, characterized in that a connecting shaft (4) is rotationally arranged in the shell (1), the bottom end of the connecting shaft (4) is fixedly connected with a first bevel gear (5), one end of the reciprocating screw rod (707) is provided with a second bevel gear (6), the top end of the shell (1) is provided with a steering motor (2), and the output end of the steering motor (2) is connected with the first screw rod (312).

7. The metallurgical casting die convenient for demoulding and blanking according to claim 1, wherein a plurality of limiting holes (704) are formed in the upper surface of the lower die plate (701), and a plurality of limiting rods (319) are fixedly connected to the lower surface of the upper die plate (305).

8. The metallurgical casting die convenient for demoulding and blanking according to claim 1, wherein a plurality of movable grooves (301) are formed in the upper die plate (305), and the movable grooves (301) are located in the sliding rails (302).

9. The metallurgical casting die convenient for demoulding and blanking according to claim 1, wherein a driving wheel (311) is fixedly sleeved on the first screw rod (312), a double-groove driven wheel (314) is fixedly sleeved on one of the second screw rods (308), a first driven wheel (309) is fixedly sleeved on the other of the second screw rods (308), a first belt (310) is sleeved outside the driving wheel (311), the double-groove driven wheel (314) and the first driven wheel (309), a second driven wheel (316) is fixedly sleeved on the connecting shaft (4), and a second belt (315) is sleeved outside the second driven wheel (316) and the double-groove driven wheel (314).