CN219944577U - Press-fit type rail casting mold - Google Patents

Abstract

The utility model discloses a pressing type track casting die, which relates to the technical field of track casting dies and comprises a lower die holder, wherein four guide posts are fixedly connected to the upper surface of the lower die holder, the surfaces of the four guide posts are in sliding sleeve connection with an upper die holder, a male die is fixedly connected to the lower surface of the upper die holder, a die cavity is formed in the upper surface of the lower die holder, sliding grooves are formed in the front surface and the rear surface of the inner part of the die cavity, an extrusion device is arranged in the sliding grooves, the upper die holder drives the male die to slide upwards and separate from the inner part of the die cavity, after the upper die holder slides upwards and separate from the top of a pressing plate, a spring pushes a disc to slide, the disc slides to drive a slide rod to slide, the slide rod slides to drive the slide rod to slide into the inner part of the sliding groove and separate from the inner wall of an H-shaped track, and at the moment, a worker can directly suck the track out of the die cavity by using an electromagnet without disassembling a die.

Description

Press-fit type rail casting mold

Technical Field

The utility model relates to the technical field of rail casting molds, in particular to a pressing type rail casting mold.

Background

With the sustainable development of urban progress and the continuous improvement of urban level in China, the number of cities is not only increased, but also the scale of the cities is continuously enlarged, and the potential of the passenger transport market among the cities in the future is huge. In urban traffic system, rail traffic is more and more paid attention to by the advantages of small land, large energy, high speed, energy conservation, pollution reduction, economy of operation, good safety and the like, a rail production mold is generally adopted in the production process of the rail, then relevant casting materials are added in the production mold to produce the rail, and the rail production mold is generally used by matching an upper mold with a lower mold.

During the production process of the rail, a worker puts relevant casting materials into the forming cavity of the die, then extrudes the rail in the cavity of the die through the extrusion of the male die, the vertical section of the rail is generally of an H-shaped structure, after the rail is produced, the H-shaped rail is generally provided with an auxiliary extrusion forming structure, so that the rail is not convenient to take out from the rail, the formed rail can be taken out after the die is generally required to be disassembled, the workload of the worker is increased, and the production efficiency of the rail is influenced.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a press-fit type rail casting die which can solve the problems that after the rail is produced, the H-shaped rail is usually provided with an auxiliary extrusion molding structure, so that the H-shaped rail is inconvenient to take out from the rail, and the molded rail can be taken out only after the die is disassembled, so that the problem is complicated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pressfitting formula track casting mould, includes the die holder, the upper surface fixedly connected with four guide pillars of die holder, the surface sliding sleeve of four guide pillars has cup jointed the die holder, the lower surface fixedly connected with terrace die of die holder, the die cavity has been seted up to the upper surface of die holder, the inside sliding connection of surface and die cavity, the spout has all been seted up to the inside front and back surface of die cavity, the inside of spout is provided with extrusion device.

Preferably, the extrusion device comprises a sliding block, the sliding block is in sliding connection with the inside of the sliding groove, a sliding rod is fixedly connected with the surface of the sliding block, one end of the sliding rod, far away from the sliding block, slides to penetrate through the inside of the lower die holder and extends to the outside, and one end of the sliding rod, far away from the sliding block, is fixedly connected with a disc.

Preferably, the surface of the sliding rod is sheathed with a spring in a sliding way, the front end of the spring is fixedly connected to the rear surface of the lower die holder, and the rear end of the spring is fixedly connected to the surface of the disc.

Preferably, the upper surface of the sliding block is provided with a trapezoid groove, the front surface inside the trapezoid groove is an inclined plane, and the inner structures of the two sliding grooves are the same.

Preferably, the upper surface of die holder has seted up two logical grooves, and the inside in two logical grooves all communicates with the inside in groove that sideslips, and the inside sliding connection in logical groove has the clamp plate, and the lower extreme sliding connection in the inside in dovetail groove of clamp plate.

Preferably, the lower extreme of clamp plate is seted up flutedly, and the inside fixedly connected with axis of rotation of recess, the surface rotation of axis of rotation has cup jointed the gyro wheel, and the surface of gyro wheel contacts with the inner wall of dovetail groove, and the inner structure of two logical grooves is the same.

Compared with the prior art, the utility model has the beneficial effects that:

(1) This pressfitting formula track casting mould, two sliders slide extrusion track casting material simultaneously, and then extrude track casting material into H type structure, after the orbital shaping process of completion, the upper die base drives the terrace die and upwards slides and break away from the inside of die cavity, after the upper die base upwards sideslip breaks away from the top of clamp plate, the spring promotes the disc slip, the disc slides and drives the slide bar and slide, the slide bar slides and drives the inside of slider slip entering spout and break away from the orbital inner wall of H type, at this moment, the staff can use the electro-magnet directly to follow the inside suction of die cavity with the track, no longer need tear the die and just can take out fashioned track, not only can reduce staff's work load, can also promote orbital production efficiency.

(2) And in the pressing type track casting mold, the pressing plate drives the roller to slide downwards to extrude the inner wall of the trapezoid groove, the roller rotates on the surface of the rotating shaft through friction between the roller and the inner wall of the trapezoid groove, friction between the pressing plate and the inner wall of the trapezoid groove is reduced, and further, the sliding resistance of the pressing plate to the lower side is reduced, and the vertical sliding stability of the pressing plate in the through groove is ensured.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic diagram of the overall structure of a press-fit rail casting mold according to the present utility model;

FIG. 2 is a schematic view of the structure of the lower die holder of the present utility model;

FIG. 3 is a schematic view of the inner structure of the chute according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

Reference numerals: 1. a lower die holder; 2. a guide post; 3. an upper die holder; 4. a male die; 5. a cavity; 6. a chute; 7. a slide block; 8. a slide bar; 9. a disc; 10. a spring; 11. a through groove; 12. a pressing plate; 13. a trapezoid groove; 14. a groove; 15. a rotating shaft; 16. and a roller.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus 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 utility model.

In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a pressfitting formula track casting mould, includes die holder 1, and die holder 1's upper surface fixedly connected with four guide pillars 2, and the surface sliding sleeve of four guide pillars 2 has cup jointed die holder 3, and die holder 3's lower surface fixedly connected with terrace die 4, die cavity 5 has been seted up to die holder 1's upper surface, and the inside sliding connection of terrace die 4 and die cavity 5.

The upper side of upper die holder 3 is provided with sliding device, and sliding device drives upper die holder 3 to slide in the surface downside of four guide pillars 2, and upper die holder 3 slides to the downside and drives the terrace die 4 of bottom to slide downwards, carries out spacing to upper die holder 3 through four guide pillars 2, guarantees that upper die holder 3 and terrace die 4 slide vertically from top to bottom, and the staff puts into the inside of die cavity 5 the track casting material, and terrace die 4 sideslip slides downwards and gets into the inside extrusion track casting material of die cavity 5, and then through the inside extrusion track shaping at die cavity 5.

The inside front and back surface of die cavity 5 has all seted up spout 6, the inside sliding connection of spout 6 has slider 7, the fixed surface of slider 7 has slide bar 8, the one end that slider 7 was kept away from to slide and runs through the inside of die holder 1 to outside to slide bar 8, the one end fixedly connected with disc 9 of slider 7 is kept away from to slide bar 8, spring 10 has been cup jointed on the surface slip of slide bar 8, the front end fixed connection of spring 10 is at the rear surface of die holder 1, the rear end fixed connection of spring 10 is at the surface of disc 9, trapezoidal groove 13 has been seted up to the upper surface of slider 7, the inside front surface of trapezoidal groove 13 is the inclined plane, the internal structure of two spouts 6 is the same, two logical grooves 11 have been seted up to the upper surface of die holder 1, the inside of two logical grooves 11 all communicates with the inside of same sideslip groove 6, the inside sliding connection of logical groove 11 has clamp plate 12, the lower extreme sliding connection of clamp plate 12 is in the inside of trapezoidal groove 13, recess 14 has been seted up to the lower extreme sliding connection of clamp plate 12, the inside fixedly connected with axis of rotation 15, the surface rotation 16 has cup jointed gyro wheel 16, the surface of gyro wheel 16 contacts with the inside of two logical grooves 11, the same structure of two logical grooves 11.

In the process of extruding the track casting material by the male die 4, the upper die holder 3 slides downwards to extrude the pressing plate 12, the pressing plate 12 slides in the inner lower side of the through groove 11, the pressing plate 12 slides downwards and drives the roller 16 to slide downwards to extrude the inner wall of the trapezoid groove 13 through the rotating shaft 15, the sliding block 7 slides forwards under the extrusion action of the roller 16, the sliding block 7 slides forwards to drive the sliding rod 8 to slide forwards, the sliding rod 8 slides forwards to drive the disc 9 to slide forwards to extrude the spring 10, the spring 10 plays a role of elasticity of the disc 9 backwards, the sliding block 7 on the front side slides backwards, the two sliding blocks 7 simultaneously slide to extrude the track casting material, the track casting material is extruded into an H-shaped structure, after the track forming process is completed, the upper die holder 3 drives the male die 4 to slide upwards and separate from the inside of the cavity 5, the spring 10 pushes the disc 9 to slide upwards and separate from the top of the pressing plate 12, the disc 9 slides forwards to drive the sliding rod 8 at this moment, the sliding rod 8 slides to slide into the inside of the sliding groove 6 and separate from the inner wall of the H-shaped track, the sliding rod can be used by a worker to directly suck the track from the inside of the electromagnet from the cavity 5, and the working efficiency of the die can be reduced only by pulling out of the track can be produced.

In the process that the pressing plate 12 drives the roller 16 to slide downwards to extrude the inner wall of the trapezoid groove 13, the roller 16 rotates on the surface of the rotating shaft 15 through friction between the roller 16 and the inner wall of the trapezoid groove 13, so that friction between the pressing plate 12 and the inner wall of the trapezoid groove 13 is reduced, the sliding resistance of the pressing plate 12 to the lower side is further reduced, and the stability of the pressing plate 12 in the through groove 11 in an up-down sliding mode is ensured.

Working principle: the pressing type track casting mold drives the upper mold base 3 to slide downwards on the surfaces of the four guide posts 2 through sliding equipment when in use, the upper mold base 3 slides downwards to drive the bottom male mold 4 to slide downwards, the male mold 4 slides downwards to enter the inner extrusion track casting material of the cavity 5, the upper mold base 3 slides downwards to extrude the pressing plate 12, the pressing plate 12 slides inwards and downwards in the through groove 11, the pressing plate 12 slides downwards and drives the roller 16 to slide downwards through the rotating shaft 15 to extrude the inner wall of the trapezoid groove 13, the roller 16 rotates on the surface of the rotating shaft 15 through friction between the roller 16 and the inner wall of the trapezoid groove 13, further, the resistance of the pressing plate 12 sliding downwards is reduced, the sliding block 7 slides forwards under the extrusion action of the roller 16, the sliding block 7 slides forwards to drive the sliding rod 8 to slide forwards, the disc 9 slides forwards to extrude the spring 10, the spring 10 gives the disc 9 with the elasticity action of the back side, the sliding block 7 at the same time slides inwards to extrude the track casting material simultaneously, the track material is extruded into an H-shaped structure, the sliding block 4 slides upwards, the sliding rod 4 slides upwards to be separated from the inner wall of the cavity 5, and the sliding rod 8 is pulled out of the inner wall of the cavity 5 directly after the sliding rod is pulled out, and the sliding rod 8 slides upwards, and the sliding rod 8 is pulled out of the inner wall of the cavity 5 is required to slide 3 by the sliding rod 4.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. The utility model provides a pressfitting formula track casting mould, includes die holder (1), its characterized in that: four guide posts (2) are fixedly connected to the upper surface of the lower die holder (1), an upper die holder (3) is sleeved on the surfaces of the four guide posts (2) in a sliding mode, a male die (4) is fixedly connected to the lower surface of the upper die holder (3), a die cavity (5) is formed in the upper surface of the lower die holder (1), the surface of the male die (4) is in sliding connection with the inner portion of the die cavity (5), sliding grooves (6) are formed in the front surface and the rear surface of the inner portion of the die cavity (5), and an extrusion device is arranged in the sliding grooves (6).

2. The laminated track casting mold as claimed in claim 1, wherein: the extrusion device comprises a sliding block (7), the sliding block (7) is in sliding connection with the inside of a sliding groove (6), a sliding rod (8) is fixedly connected with the surface of the sliding block (7), one end, far away from the sliding block (7), of the sliding rod (8) penetrates through the inside of the lower die holder (1) to extend to the outside in a sliding mode, and a disc (9) is fixedly connected with one end, far away from the sliding block (7), of the sliding rod (8).

3. A compression rail casting mold as claimed in claim 2, wherein: the surface sliding sleeve of the sliding rod (8) is connected with a spring (10) in a sliding mode, the front end of the spring (10) is fixedly connected to the rear surface of the lower die holder (1), and the rear end of the spring (10) is fixedly connected to the surface of the disc (9).

4. A compression rail casting mold as claimed in claim 3, wherein: the upper surface of slider (7) has seted up dovetail groove (13), and dovetail groove (13) inside front surface is the inclined plane of slope, and the inner structure of two spouts (6) is the same.

5. The compression rail casting mold of claim 4, further comprising: two through grooves (11) are formed in the upper surface of the lower die holder (1), the interiors of the two through grooves (11) are communicated with the interiors of the same side sliding grooves (6), a pressing plate (12) is connected to the interiors of the through grooves (11) in a sliding mode, and the lower end of the pressing plate (12) is connected to the interiors of the trapezoid grooves (13) in a sliding mode.

6. The compression rail casting mold of claim 5, further comprising: the lower extreme of clamp plate (12) is seted up flutedly (14), and the inside fixedly connected with axis of rotation (15) of recess (14), the surface rotation of axis of rotation (15) has cup jointed gyro wheel (16), and the surface of gyro wheel (16) contacts with the inner wall of dovetail groove (13), and the inner structure of two logical grooves (11) is the same.