CN217192540U

CN217192540U - Mould is used in casting of elevator driving sheave

Info

Publication number: CN217192540U
Application number: CN202220319964.2U
Authority: CN
Inventors: 张俊生
Original assignee: Dalian Bosheng Machinery Manufacturing Co ltd
Current assignee: Dalian Bosheng Machinery Manufacturing Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-08-16
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a mould is used in casting of elevator driving sheave, which comprises a housing, the handle rotates through pivot and casing to be connected, the one end rigid coupling of handle has the worm, the one end and the friction disc of worm closely laminate, the top rigid coupling of friction disc has the pull rod, the pull rod passes through spout and casing sliding connection, the spring has been cup jointed to the outer wall of pull rod, the both ends of spring respectively with friction disc and casing looks rigid coupling, the edge and the worm wheel meshing of worm are connected. According to the mould for casting the elevator traction sheave, through the matching among the handle, the worm wheel, the pull rod and the spring, a user pulls the pull rod upwards, the pull rod drives the friction plate to move upwards and further compresses the spring, so that the friction plate is separated from the worm, the rotation of the worm is not limited, then the user rotates the handle, and the handle drives the worm to rotate, so that the problem that the mould for casting the elevator traction sheave is unstable after butt joint and is easy to separate, and the forming of the traction sheave fails is solved.

Description

Mould is used in casting of elevator driving sheave

Technical Field

The utility model relates to a casting mould technical field specifically is a mould is used in casting of elevator driving sheave.

Background

The traction sheave is a rope sheave on the traction machine, and is also called a traction rope sheave or a driving rope sheave; the mold is unstable and easy to separate after being butted, so that the forming of the traction sheave fails and the demolding is troublesome.

Disclosure of Invention

An object of the utility model is to provide a mould is used in casting of elevator driving sheave to what provide among the above-mentioned background art is unstable after the butt joint, and easy separation leads to driving sheave shaping failure problem.

In order to achieve the above object, the utility model provides a following technical scheme: a mould for casting a traction sheave of an elevator comprises a machine shell, wherein a butt joint device is arranged above the inside of the machine shell;

the butt joint device comprises a handle, a worm wheel, a rack, a friction plate, a pull rod and a spring;

the handle rotates with the casing through the pivot to be connected, the one end rigid coupling of handle has the worm, the one end and the friction disc of worm closely laminate, the top rigid coupling of friction disc has the pull rod, the pull rod passes through spout and casing sliding connection, the outer wall of pull rod has cup jointed the spring, the both ends of spring are respectively with friction disc and casing looks rigid coupling, the edge and the worm wheel meshing of worm are connected, the one end of worm wheel is rotated with the casing through the pivot and is connected, the edge meshing of worm wheel is connected with the rack, the rack passes through spout and casing sliding connection.

Preferably, the top of the rack on the left side is fixedly connected with a left half die.

Preferably, the top of the rack on the right side is fixedly connected with a right half die.

Preferably, a demoulding device is arranged below the inner part of the machine shell;

the demolding device comprises a servo motor, a first bevel gear, a second bevel gear, a connecting rod, a sliding block and a groove plate;

the outer wall of the servo motor is fixedly connected with the casing through a support, the output end of the servo motor is fixedly connected with a first bevel gear, the first bevel gear is meshed with the casing and is three, the first bevel gear is rotatably connected with the casing through a rotating shaft, two bevel gears are fixedly connected to one end of the first bevel gear and one end of the second bevel gear and are meshed with each other, a connecting rod is fixedly connected to the front end face of the second bevel gear, one end of the connecting rod is connected with a sliding block through a sliding groove, the outer wall of the sliding block is connected with a groove plate through a sliding groove, and the outer wall of the groove plate is fixedly connected with the casing.

Preferably, one end of the sliding block is tightly attached to the metal column, and the outer wall of the metal column is connected with the machine shell in a sliding mode through the sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that: the mold for casting the elevator traction wheel comprises a handle, a worm gear, a rack, a friction plate, a pull rod and a spring, wherein the handle, the worm gear, the rack, the friction plate, the pull rod and the spring are matched, a user pulls the pull rod upwards, the pull rod drives the friction plate to move upwards and further compresses the spring, the friction plate is separated from the worm, the rotation of the worm is not limited, then the handle is rotated, the handle drives the worm to rotate, the worm drives the worm gear to rotate, the rack on the left side moves inwards, the rack on the left side drives the left half mold to move rightwards, the rack on the right side drives the right half mold to move leftwards, the left half mold and the right half mold are connected in a butt joint mode, then the pull rod is loosened, the spring rebounds to enable the friction plate to move downwards, the friction plate is attached to the worm again to limit the rotation of the worm, the left half mold and the right half mold are prevented from being separated, and the problem that the mold for casting the elevator traction wheel is unstable after the butt joint is solved, easy separation, leading to the problem of failed forming of the traction sheave;

through the cooperation between servo motor, first bevel gear, second bevel gear, the connecting rod, slider and the frid, servo motor drives first bevel gear and rotates, first bevel gear drives second bevel gear and rotates, second bevel gear drives the connecting rod and rotates, the connecting rod drives the slider and rotates, the slider is sharp upward movement under the frid restriction, two sliders drive metal post downstream, with the metal post income device inside, because the driving sheave can't get into the device, release the metal post with the driving sheave, realize the drawing of patterns, the problem that the mould is more troublesome for the elevator driving sheave casting has been solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of the housing, the left half mold and the right half mold in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the worm, the worm wheel and the rack in FIG. 2;

fig. 4 is a schematic view of the connection structure of the first bevel gear, the second bevel gear and the connecting rod in fig. 2.

In the figure: 1. the mold comprises a machine shell, 2, a left half mold, 3, an abutting device, 301, a handle, 302, a worm, 303, a worm wheel, 304, a rack, 305, a friction plate, 306, a pull rod, 307, a spring, 4, a demolding device, 401, a servo motor, 402, a first bevel gear, 403, a second bevel gear, 404, a connecting rod, 405, a sliding block, 406, a groove plate, 5, a right half mold, 6 and a metal column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a mould for casting an elevator traction wheel comprises a machine shell 1, a plurality of machine doors for maintenance are installed on the machine shell 1, a butt joint device 3 is arranged above the inside of the machine shell 1, the butt joint device 3 comprises a handle 301, a worm 302, a worm wheel 303, a rack 304, a friction plate 305, a pull rod 306 and a spring 307, the structural belts of the butt joint devices 3 on the left side and the right side are identical, the handle 301 is rotatably connected with the machine shell 1 through a rotating shaft, the machine shell 1 rotatably supports the handle 301 through the rotating shaft, one end of the handle 301 is fixedly connected with the worm 302, the handle 301 drives the worm 302 to rotate, one end of the worm 302 is tightly attached to the friction plate 305, the friction plate 305 can limit the rotation of the worm 302, the pull rod 306 is fixedly connected to the top of the friction plate 305, the pull rod 306 drives the friction plate 305 to move up and down, the pull rod 306 is slidably connected with the machine shell 1 through a sliding groove, the machine shell 1 limits the moving direction of the pull rod 306 through the sliding groove, the outer wall of the pull rod 306 is sleeved with a spring 307, the spring 307 is in a slight compression state at present, the elastic coefficient of the spring 307 is 10-15N/cm, two ends of the spring 307 are fixedly connected with a friction plate 305 and a machine shell 1 respectively, the friction plate 305 moves upwards to further compress the spring 307, the edge of a worm 302 is meshed with a worm wheel 303, the worm 302 drives the worm wheel 303 to rotate, one end of the worm wheel 303 is rotatably connected with the machine shell 1 through a rotating shaft, the machine shell 1 rotatably supports the worm wheel 303 through the rotating shaft, the edge of the worm wheel 303 is meshed with a rack 304, the worm wheel 303 enables the rack 304 to move left and right, the rack 304 is slidably connected with the machine shell 1 through a sliding groove, the machine shell 1 limits the moving direction of the rack 304 through the sliding groove, the top of the left side rack 304 is fixedly connected with a left half mold 2, the left side rack 304 drives the left half mold 2 to move, the top of the right side rack 304 is fixedly connected with a right half mold 5, the right rack 304 drives the right half mold 5 to move, and pouring holes are formed in the tops of the left half mold 2 and the right half mold 5 and used for pouring liquid metal solution into the mold.

The demolding device 4 is arranged below the inside of the machine shell 1, the demolding device 4 comprises a servo motor 401, a first bevel gear 402, a second bevel gear 403, a connecting rod 404, a sliding block 405 and a groove plate 406, the structures of the second bevel gear 403, the connecting rod 404, the sliding block 405 and the groove plate 406 on the left side and the right side are completely the same, the outer wall of the servo motor 401 is fixedly connected with the machine shell 1 through a bracket, the model of the servo motor 401 is selected according to the actual use requirement and meets the work requirement, the output end of the servo motor 401 is fixedly connected with the first bevel gear 402, the servo motor 401 drives the first bevel gear 402 to rotate, the three first bevel gears 402 are mutually meshed and connected, the middle first bevel gear 402 drives the first bevel gears 402 on the two sides to rotate, the three first bevel gears 402 are rotatably connected with the machine shell 1 through rotating shafts, the machine shell 1 rotatably supports the first bevel gears 402 through rotating shafts, one end of the first bevel gears 402 on the two sides is fixedly connected with the second bevel gears 403, the first bevel gear 402 drives the second bevel gear 403 to rotate, the two second bevel gears 403 are meshed with each other and connected, a connecting rod 404 is fixedly connected to the front end face of the second bevel gear 403, the second bevel gear 403 drives the connecting rod 404 to rotate, one end of the connecting rod 404 is slidably connected with a sliding block 405 through a sliding groove, the connecting rod 404 drives the sliding block 405 to rotate, the outer wall of the sliding block 405 is slidably connected with a groove plate 406 through a sliding groove, the groove plate 406 limits the moving track of the sliding block 405 through a sliding groove, the outer wall of the groove plate 406 is fixedly connected with the machine shell 1, one end of the sliding block 405 is tightly attached to the metal column 6, the sliding block 405 drives the metal column 6 to move up and down, the outer wall of the metal column 6 is slidably connected with the machine shell 1 through a sliding groove, and the machine shell 1 limits the moving direction of the metal column 6 through a sliding groove.

When the mold for casting the elevator traction sheave is used, firstly, a user pulls a pull rod 306 upwards, the pull rod 306 drives a friction plate 305 to move upwards, and further compresses a spring 307, so that the friction plate 305 is separated from a worm 302, the rotation of the worm 302 is not limited, then, the user rotates a handle 301, the handle 301 drives the worm 302 to rotate, the worm 302 drives a worm wheel 303 to rotate, the worm wheel 303 enables a rack 304 to move inwards, the rack 304 on the left side drives a left half mold 2 to move rightwards, the rack 304 on the right side drives a right half mold 5 to move leftwards, the left half mold 2 and the right half mold 5 are butted together, then, the pull rod 306 is loosened, the spring 307 rebounds, the friction plate 305 moves downwards, the friction plate 305 is attached to the worm 302 again, the rotation of the worm 302 is limited, the left half mold 2 and the right half mold 5 are prevented from being separated, a solution is poured into a pouring hole above the left half mold 2 and the right half mold 5, starting plastic film, after waiting for a certain time, pulling the pull rod 306 upwards again, then reversely rotating the handle 301 to separate the left half mold 2 from the right half mold 5, leaving the fixed traction sheave on the metal column 6 because the middle metal column 6 cannot move left and right, then switching on an external power supply of the servo motor 401, starting the servo motor 401, the servo motor 401 driving the first bevel gear 402 to rotate, the first bevel gear 402 driving the second bevel gear 403 to rotate, the second bevel gear 403 driving the connecting rod 404 to rotate, the connecting rod 404 driving the sliding block 405 to rotate, the sliding block 405 moving upwards linearly under the restriction of the slot plate 406, the two sliding blocks 405 driving the metal column 6 to move downwards to take the metal column 6 into the device, because the traction sheave cannot enter the device, pushing the traction sheave out of the metal column 6 to realize demoulding, then reversely starting the servo motor 401 to return the metal column 6 to the original position, the use of the device is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mould for casting a traction sheave of an elevator comprises a machine shell (1), and is characterized in that; a butt joint device (3) is arranged above the inner part of the shell (1);

the butt joint device (3) comprises a handle (301), a worm (302), a worm wheel (303), a rack (304), a friction plate (305), a pull rod (306) and a spring (307);

handle (301) rotate with casing (1) through the pivot and are connected, the one end rigid coupling of handle (301) has worm (302), the one end and friction disc (305) of worm (302) closely laminate, the top rigid coupling of friction disc (305) has pull rod (306), pull rod (306) are through spout and casing (1) sliding connection, spring (307) have been cup jointed to the outer wall of pull rod (306), the both ends of spring (307) respectively with friction disc (305) and casing (1) looks rigid coupling, the edge and the worm wheel (303) meshing of worm wheel (302) are connected, the one end of worm wheel (303) is passed through the pivot and is rotated with casing (1) and be connected, the edge meshing of worm wheel (303) is connected with rack (304), rack (304) are through spout and casing (1) sliding connection.

2. The die for casting the traction sheave of the elevator as claimed in claim 1, wherein: the top of the rack (304) on the left side is fixedly connected with a left half mould (2).

3. The die for casting the traction sheave of the elevator as claimed in claim 1, wherein: the top of the rack (304) on the right side is fixedly connected with a right half mould (5).

4. The die for casting the traction sheave of the elevator as claimed in claim 1, wherein: a demoulding device (4) is arranged below the inner part of the machine shell (1);

the demolding device (4) comprises a servo motor (401), a first bevel gear (402), a second bevel gear (403), a connecting rod (404), a sliding block (405) and a groove plate (406);

the outer wall of the servo motor (401) is fixedly connected with the casing (1) through a support, the output end of the servo motor (401) is fixedly connected with a first bevel gear (402), the first bevel gears (402) are three and are meshed with each other, the first bevel gears (402) are three and are rotatably connected with the casing (1) through rotating shafts, two second bevel gears (403) are fixedly connected to one end of the first bevel gears (402) on two sides and are meshed with each other, a connecting rod (404) is fixedly connected to the front end face of each second bevel gear (403), one end of the connecting rod (404) is slidably connected with a sliding block (405) through a sliding groove, the outer wall of the sliding block (405) is slidably connected with a groove plate (406) through a sliding groove, and the outer wall of the groove plate (406) is fixedly connected with the casing (1).

5. The die for casting the traction sheave of the elevator as set forth in claim 4, wherein: one end of the sliding block (405) is tightly attached to the metal column (6), and the outer wall of the metal column (6) is connected with the shell (1) in a sliding mode through the sliding groove.