CN116117117A - Metallurgical casting die convenient for demolding and discharging - Google Patents

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

A metallurgical casting mold for convenient demoulding and blanking

technical field

The invention belongs to the technical field of casting equipment, and in particular relates to a metallurgical casting mold which is convenient for demoulding and blanking.

Background technique

As a large-scale basic industry in China, the importance of casting molds has been recognized by more and more people. With the rapid development of domestic automobile and machinery industries, the demand for casting molds in the foundry industry is also increasing. In the metallurgical casting process, during the molding and demoulding process of metal materials in the mold, due to improper temperature control, the periphery of the molded part is easy to stick to the inner wall of the mold, resulting in difficult demoulding. A method that can reduce the sticking of the material and the mold is proposed A metallurgical casting mold that is convenient for demoulding and blanking.

Contents of the invention

Aiming at the deficiencies of the prior art, the object of the present invention is to provide a metallurgical casting mold which is convenient for demoulding and blanking.

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

A metallurgical casting mold that is convenient for demoulding and blanking, comprising a shell, a lower mold and an upper mold, the inside of the shell is slidably provided with a lifting platform, the lifting platform is provided with a lower mold, and above the lower mold Equipped with an upper mold;

The lower mold includes a lower formwork fixedly installed on the upper surface of the lifting platform, one side of the lower formwork is penetrated, and the other side is provided with a limiting groove, and an L-shaped push piece is slidably connected to the inside of the limiting groove. One end of the L-shaped push piece is fixedly connected with a scraper, and the lifting platform is fixedly connected with a plurality of bearing seats, and a reciprocating screw rod is rotatably connected in the bearing seat, and the other end of the L-shaped push piece is threaded with the reciprocating screw rod. connect;

An upper mold is provided above the lower mold, and the upper mold includes a first screw rod installed in the casing for rotation, and a lifting member is threaded on the first screw rod, and two ends of the lifting member are provided. A set of connecting parts, the connecting part is provided with a telescopic rod, the bottom end of the telescopic rod is provided with a slider, the scraper is installed on the slider, and the bottom end of the first screw rod is provided with a limiting disc, An upper template is provided below the limit disc, and a plurality of slide rails are provided on the upper template, and the slider is slidably connected to the inside of the slide rails, and a plurality of second screw rods are provided for rotation inside the housing. A threaded sleeve is threadedly connected to the second screw rod, and a mold baffle is installed at the bottom end of the threaded sleeve, and a plurality of pouring openings are opened on the upper formwork.

Beneficial effects of the present invention:

1. The present invention automatically controls the movement of the scraper along the side wall of the lower formwork by means of the mutual cooperation of the telescopic rod and the slider during the lifting process of the lifting part, automatically separates the formed part from the side wall of the lower mold, and lowers the surrounding area of the formed part and the lower formwork. The amount of stickiness is convenient for demoulding, and when the telescopic rod is rotated to the vertical position, the upper formwork is dragged up, which improves the demoulding efficiency;

2. The present invention automatically pushes the formed parts away from the lower formwork by controlling the movement of the scraper, and automatically cleans the inner wall of the lower formwork during the movement of the scraper, automatically removes the residual metal debris on the inner wall of the lower formwork, and improves the safety of the formed parts. Surface Quality.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, In other words, other drawings can also be obtained from these drawings on the premise of not paying creative work.

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation I of upper mold;

Fig. 3 is the structural representation II of upper mold;

Fig. 4 is a partial enlarged view at A of Fig. 2;

Fig. 5 is a schematic structural view of the telescopic rod;

Fig. 6 is a structural schematic diagram of the lower mold.

Explanation of symbols in the figure:

1. Shell; 2. Steering motor; 3. Upper mold; 301. Movable slot; 302. Slide rail; 303. Slider; 304. Connector; 305. Upper template; 3071, sleeve; 3072, cylindrical slide block; 3073, sleeve rod; 308, the second screw mandrel; 309, the first driven wheel; 310, the first belt; 311, driving wheel; 312, the first screw mandrel; 313, Guide rod; 314, double groove driven wheel; 315, second belt; 316, second driven wheel; 317, pouring port; 318, scraper; 319, limit rod; 320, mold baffle plate; 321, limit disc ; 322, lifting piece; 4, connecting shaft; 5, the first bevel gear; 6, the second bevel gear; 7, the lower mold; 701, the lower template; Hole; 705, limit groove; 706, L-shaped push piece; 707, reciprocating screw mandrel; 8, hydraulic cylinder; 9, lifting platform.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In describing the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "surrounding" etc. Indicating orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention .

Please refer to Figures 1 to 6, a metallurgical casting mold that is convenient for demoulding and blanking, including a shell 1, a plurality of hydraulic cylinders 8 are fixedly installed in the shell 1, and a lifting platform is slidingly connected inside the shell 1 9. The lower surface of the lifting platform 9 is fixedly connected to the output end of the hydraulic cylinder 8. The upper surface of the lifting platform 9 is provided with a lower mold 7. The lower mold 7 includes a lower template 701 fixedly installed on the upper surface of the lifting platform 9. The lower template 701 One side of the L-shaped push piece 706 is fixedly connected with a scraper 703, and the scraper 703 can not only be used In order to clean up the residual metal slag on the inner wall of the lower template 701, the molded parts can also be automatically pushed away from the lower template 701. The lifting table 9 is fixedly connected with a plurality of bearing seats, and the bearing seat is connected with a reciprocating screw rod 707 for rotation, and the L-shaped push piece The other end of 706 is threadedly connected with the reciprocating screw rod 707, two mounting slots 702 are provided in the lower template 701, and a plurality of limit holes 704 are provided on the lower template 701;

The inside of the housing 1 is connected to the connecting shaft 4 for rotation, the bottom end of the connecting shaft 4 is fixedly connected to the first bevel gear 5, and one end of the reciprocating screw rod 707 is fixedly connected to the second bevel gear 6, through which the first bevel gear 5 and the second The bevel gear 6 meshes and drives to provide a power source for the movement of the L-shaped push piece 706, and the top of the housing 1 is equipped with a steering motor 2;

The top of the lower mold 7 is provided with an upper mold 3, and the upper mold 3 includes a first screw mandrel 312 that rotates and is located in the housing 1. The top of the first screw mandrel 312 is fixedly connected with the output end of the steering motor 2, and the first screw mandrel The outer fixing sleeve of 312 is provided with driving wheel 311, and the external screw thread of the first screw mandrel 312 is connected with lifting member 322, and the two ends of lifting member 322 are symmetrically provided with two groups of connectors 304, and connecting member 304 is provided with telescopic rod 307, The telescopic rod 307 includes a sleeve 3071 hinged on the connector 304. The inner sliding sleeve of the sleeve 3071 is provided with a cylindrical slider 3072. The bottom end of the cylindrical slider 3072 is fixedly connected with a sleeve rod 3073, and the bottom end of the sleeve rod 3073 is hinged. There is a slider 303, and the bottom end of the slider 303 is fixedly connected with a scraper 318. During the rising process of the lifting part 322, the movement of the scraper 318 is controlled by the telescopic rod 307, and the formed part is automatically separated from the lower template 701, and the periphery of the formed part and the lower template are lowered. The amount of stickiness of 701 is convenient for demoulding. There are two guide rods 313 symmetrically slidingly connected inside the lifting member 322, and the top of the guide rods 313 is fixedly connected to the top inner wall of the housing 1, and the bottom ends of the two guide rods 313 are fixed. Connect the limit disc 321, and the bottom end of the first screw rod 312 is connected to the limit disc 321 in rotation, the upper template 305 is arranged below the limit disc 321, and two slide rails 302 are symmetrically arranged on the upper template 305 , and the slider 303 is slidingly connected with the slide rail 302, the upper template 305 is symmetrically provided with movable grooves 301, and the movable groove 301 is located in the slide rail 302, the scraper 318 passes through the movable groove 301, moves in the movable groove 301, and the housing 1 is connected with two second screw rods 308 in symmetrical rotation, the outer fixed sleeve of one of the second screw rods 308 is provided with a double groove driven wheel 314, and the outer fixed sleeve of the other second screw rod 308 is provided with a first driven wheel 308. The driving wheel 309, the driving wheel 311, the double-groove driven wheel 314 and the first driven wheel 309 are sheathed with a first belt 310, and the external thread of the second screw mandrel 308 is connected with a threaded sleeve 306, and the threaded sleeve 306 passes through the upper template 305 , the bottom end of the threaded sleeve 306 is fixedly connected with a mold baffle 320, and the lower surface of the upper template 305 is fixedly connected with a plurality of limit rods 319. When the upper template 305 is closed on the lower template 701, the limit rods 319 are inserted into the limit holes 704, to increase the stability of the connection between the upper formwork 305 and the lower formwork 701. At the same time, two mold baffles 320 are inserted into the mounting slots 702 to form molding cavities with the two sides and the bottom of the lower formwork 701. There are multiple castings on the upper formwork 305. Port 317, the metal solution is injected into the molding cavity through the pouring port 317;

The outer fixed sheath of the connecting shaft 4 is provided with a second driven wheel 316 , and the outer sheath of the second driven wheel 316 and the double groove driven wheel 314 is provided with a second belt 315 .

Working principle: first start the steering motor 2, and control the output shaft of the steering motor 2 to rotate forward, thereby controlling the first screw rod 312 to rotate forward, thereby controlling the lifting part 322 to descend, and controlling the telescopic rod 307 to descend through the connecting part 304, and then through the slide The block 303 drives the upper template 305 to descend, so that the limit rod 319 is smoothly inserted into the limit hole 704. After the limit rod 319 is completely inserted into the limit hole 704, the first screw rod 312 continues to rotate forward, and the slider 303 is now around the sleeve. The hinge point at the top of the barrel 3071 rotates outward, automatically pushing the scraper 318 out of the molding cavity, and at the same time, the driving wheel 311 drives the first driven wheel 309 and the double-groove driven wheel 313 to rotate through the belt 310, thereby controlling the two second screw rods 308 Forward rotation, thereby controlling the descent of the threaded sleeve 306, causing the mold baffle 320 to descend, and smoothly inserted into the mounting slot 702, then turn off the steering motor 2, and then inject metal molten slurry into the molding cavity through the pouring port 317;

After the material is formed, start the steering motor 2 again, and control the output shaft of the steering motor 2 to reverse, thereby controlling the first screw mandrel 312 to reverse, and through the transmission of the first belt 310, thereby controlling the two second screw mandrels 308 to reverse, In this way, the threaded sleeve 306 is controlled to rise, so that the mold baffle 320 is separated from the mounting slot 702. At the same time, the first screw rod 312 is reversed and the lifting member 322 is controlled to rise, so that the two adjacent telescopic rods 307 of the same group go around the connecting member 304 The upper hinge point rotates, and makes the two sliders 303 close to each other, thereby driving the scraper 318 to move along the side wall of the lower template 701, and automatically separates the molded part from the lower template 701. When the telescopic rod 307 is in a vertical state, The first screw mandrel 312 continues to rotate, thereby dragging the upper template 305 through the slider 303 to rise and break away from the lower template 701;

At the same time, the double-groove driven wheel 314 also drives the second driven wheel 316 to rotate through the second belt 315, thereby driving the connecting shaft 4 to reverse, thereby driving the first bevel gear 5 to reverse. Cylinder 8 controls the lifting table 9 to descend, so that the first bevel gear 5 and the second bevel gear 6 are meshed for transmission, thereby controlling the rotation of the reciprocating screw rod 707, thereby controlling the movement of the L-shaped push piece 706, thereby pushing the scraper 703 to move toward the molding cavity , to automatically push the molded piece away from the lower template 701. When the molded piece is pushed away from the lower template 701, the L-shaped push piece 706 controls the scraper 703 to return to the initial position. The parts are pushed away from the lower template 701, and the residual metal slag on the inner wall of the lower template 701 is automatically scraped off, reducing the influence of the metal shavings on the molded parts, and improving the surface quality of the next molded part.

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

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements all fall within the scope of the claimed invention.

Claims (9)

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).

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