CN219724529U

CN219724529U - Gear box casing casting device

Info

Publication number: CN219724529U
Application number: CN202321232369.6U
Authority: CN
Inventors: 夏全国; 张金得; 贾祥苓
Original assignee: Longkou Jiuyun Machinery Parts Co ltd
Current assignee: Longkou Jiuyun Machinery Parts Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-09-22
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the technical field of gear box shell casting, in particular to a gear box shell casting device, and aims to realize a casting device capable of forming a threaded hole of a gear box shell cover at one time. The utility model provides a gear box casing casting device, includes roof and base, install four sets of montants between roof and the base, the upper mould shell is installed through the propelling movement cylinder to the below of roof, the lifter plate is installed through the lift cylinder to the top of base, the top of lifter plate is provided with down the mould shell, the corner and the four montants fixed connection of lower mould shell. According to the utility model, the plurality of jacking posts are arranged to drive the corresponding screw rods to rotate circumferentially, and the screw rods are matched with the threaded grooves of the gear box cover, so that the gear box cover moves upwards again to be separated from the screw rods, and therefore, the casting device with integrally formed threaded holes is realized when the gear box cover is cast and discharged, secondary processing of the threaded holes is saved, and the casting forming efficiency of the gear box cover is improved.

Description

Gear box casing casting device

Technical Field

The utility model relates to the technical field of gear box shell casting, in particular to a gear box shell casting device.

Background

In the process of casting the gear box shell by using the precoated sand, the mould shell is required to be filled with the precoated sand, and then casting and forming are carried out. The materials commonly used at present for the gear case shell are HT250 gray cast iron, QT500 nodular cast iron, ZG270-500 nodular cast iron, TA2 pure titanium and the like.

In the casting process of the gear box shell cover, as the screw hole is formed in the corner of the shell cover, after the existing gear box shell cover is cast, the inner wall of the screw hole is smooth when the gear box shell cover is demoulded, and secondary screw thread polishing is needed to influence the casting efficiency of the gear box shell cover, the gear box shell casting device is provided, and the casting device capable of forming the screw hole of the gear box shell cover at one time is realized.

Disclosure of Invention

The utility model aims to provide a gear box shell casting device, which can realize one-step molding of a threaded hole of a gear box shell cover.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a gear box casing casting device, includes roof and base, install four sets of montants between roof and the base, the upper die shell is installed through the propelling movement cylinder to the below of roof, the lifter plate is installed through the lift cylinder to the top of base, the top of lifter plate is provided with down the mould shell, the corner and the four sets of montants fixed connection of lower mould shell, the corner and the four sets of montants slip cap of upper die shell establish, upper die shell middle part is provided with the casting gate, be provided with the die cavity in the lower mould shell, be provided with a plurality of screws in the die cavity, the bottom coaxial center connection jack-post of screw, the external diameter of jack-post is greater than the external diameter of screw, the bottom of jack-post runs through to the below of lower mould shell, the gear sleeve has been cup jointed to the bottom of jack-post, uses synchronous toothed belt transmission to connect between a plurality of gear sleeves, the bottom of jack-post uses bearing sleeve and lifter plate swing joint, install the motor on the lifter plate, the output shaft transmission of motor is connected with the driving gear, driving gear and one of them gear sleeve meshing cooperation.

Preferably, a mold core is arranged on the lower end face of the upper mold shell, the mold core is inserted into the top of the lower mold shell, and a plurality of screw holes matched with the screw rods are formed in the mold core.

Preferably, the screw rod pouring state is that the screw rod penetrates to the upper side of the gear box shell cover, and the top column is in sliding fit with the lower mould shell.

Preferably, the motor of the driving gear is a servo motor.

Preferably, the lifting cylinder drives the lifting plate to move upwards until the gearbox shell cover ejects the die cavity.

Preferably, the device further comprises an electric control box for controlling the pushing cylinder, the lifting cylinder and the motor to operate.

The utility model has at least the following beneficial effects:

1. through setting up a plurality of jack posts and driving the screw rod circumference rotation that corresponds, screw rod and the screw groove cooperation of gear box cap to make gear box cap upward movement to break away from with the screw rod again, thereby realize the casting device of screw hole integrated into one piece when gear box cap casting ejection of compact, saved the secondary operation of screw hole, improved the pouring shaping efficiency of gear box cap.

2. Meanwhile, the motor is arranged to drive the driving gear to rotate, the driving gear drives the plurality of gear sleeves to rotate, the motor is a servo motor, forward rotation or reverse rotation of the screw rod can be realized, and the screw hole of the gear box shell cover is corrected for a plurality of times.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a gear case housing casting apparatus;

FIG. 2 is an open schematic view of an upper and lower formwork;

FIG. 3 is an inside schematic view of an upper form;

FIG. 4 is a schematic view of the inside of the lower mold shell;

fig. 5 is a schematic view of the structure of the lifting plate, the top column and the screw.

In the figure: 1. a top plate; 2. a base; 3. a pushing cylinder; 4. a lifting cylinder; 5. a vertical rod; 6. an upper mould shell; 7. a casting nozzle; 8. a lower mould shell; 9. a gear box cover; 10. a screw; 11. a mold core; 12. a screw hole; 13. a mold cavity; 14. a top column; 15. a gear sleeve; 16. a drive gear; 17. and a lifting plate.

Description of the embodiments

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1-5, a gear box shell casting device comprises a top plate 1 and a base 2, four groups of vertical rods 5 are installed between the top plate 1 and the base 2, an upper die shell 6 is installed below the top plate 1 through a pushing cylinder 3, a lifting plate 17 is installed above the base 2 through a lifting cylinder 4, a lower die shell 8 is arranged above the lifting plate 17, the corners of the lower die shell 8 are fixedly connected with the four groups of vertical rods 5, the corners of the upper die shell 6 are slidably sleeved with the four groups of vertical rods 5, a casting port 7 is arranged in the middle of the upper die shell 6, a die cavity 13 is arranged in the lower die shell 8, a plurality of screws 10 are arranged in the die cavity 13, the bottom ends of the screws 10 are coaxially connected with a jacking column 14, the outer diameter of the jacking column 14 is larger than the outer diameter of the screws 10, the bottom ends of the jacking column 14 penetrate to the lower side of the lower die shell 8, the bottom ends of the jacking column 14 are sleeved with gear sleeves 15, the bottom ends of the jacking column 14 are movably connected with the lifting plate 17 through a bearing sleeve, a plurality of the gear sleeves 15 through synchronous toothed belts in transmission connection, the bottom ends of the jacking column 14 are movably connected with the lifting plate 17, a motor is installed on the lifting plate 17, the corners of the upper die shell 6 are slidably connected with the four groups of the vertical rods 5, a driving gear 16 is meshed with one of the driving gear 16, and the driving gear 16 is meshed with the gear sleeve 15;

the scheme comprises the following working processes: through controlling pushing cylinder 3 downward movement, upper die shell 6 closes tightly with lower die shell 8, then begin pouring thick liquids through casting gate 7, after the cooling shaping, pushing cylinder 3 upward movement breaks away from upper die shell 6 and lower die shell 8, then lift cylinder 4 upward movement, make jack post 14 upwards jack post 14 die cavity 13 with fashioned gear box cap 9, then restart the motor, make a plurality of jack posts 14 drive corresponding screw rod 10 circumference rotation, screw rod 10 cooperates with the screw groove of gear box cap 9, so that gear box cap 9 upwards moves to breaking away from with screw rod 10 again, thereby realized the casting device of gear box cap 9 and screw hole integrated into one piece, the secondary work of screw hole has been saved, the pouring shaping efficiency of gear box cap 9 has been improved.

Further, a mold core 11 is installed on the lower end face of the upper mold shell 6, the mold core 11 is inserted into the top of the lower mold shell 8, a plurality of screw holes 12 matched with the screw rods 10 are formed in the mold core 11, the screw rods 10 are in a pouring state of penetrating to the upper side of the gear box shell cover 9, the top columns 14 are in sliding fit with the lower mold shell 8, specifically, the mold core 11 stretches into the lower mold shell 8, and the mold core 11 is arranged for positioning the screw rods 10 before pouring slurry.

Further, the motor of the driving gear 16 is a servo motor, and in particular, the servo motor can be used for driving the four screws 10 to rotate forward or reversely, so as to correct the threaded holes of the gear box cover for multiple times.

Further, the lifting cylinder 4 drives the lifting plate 17 to move upwards until the gear box cover 9 ejects the die cavity 13, specifically, the gear box cover 9 is output upwards to the outside of the die cavity 13, and automatic demolding of the gear box cover 9 can be completed.

Further, the automatic control device further comprises an electric control box for controlling the pushing cylinder 3, the lifting cylinder 4 and the motor to operate, and specifically, a PLC control module is arranged in the electric control box, wherein the operation of the pushing cylinder 3, the lifting cylinder 4 and the motor can be automatically controlled or manually controlled.

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

Claims

1. The utility model provides a gear box casing casting device, its characterized in that includes roof (1) and base (2), install four montants (5) between roof (1) and base (2), install upper die shell (6) through propelling movement cylinder (3) in the below of roof (1), lifter plate (17) are installed through lifting cylinder (4) in the top of base () (2), the top of lifter plate (17) is provided with lower die shell (8), the corner and four montants (5) fixed connection of lower die shell (8), the corner and four montants (5) slip cap of upper die shell (6) are established, upper die shell (6) middle part is provided with casting gate (7), be provided with die cavity (13) in lower die shell (8), be provided with a plurality of screw rods (10) in die cavity (13), the bottom homocenter of screw rod (10) connects jack post (14), the external diameter of jack post (14) is greater than the external diameter of screw rod (10), the bottom of jack post (14) runs through lower die shell (8) and is connected with the jack post (14) through the gear of lower die shell (15) for making between jack post (15) and the movable sleeve, the lifting plate (17) is provided with a motor, an output shaft of the motor is connected with a driving gear (16) in a transmission manner, and the driving gear (16) is meshed and matched with one of the gear sleeves (15).

2. The gear box shell casting device according to claim 1, wherein a mold core (11) is installed on the lower end face of the upper mold shell (6), the mold core (11) is inserted into the top of the lower mold shell (8), and a plurality of screw holes (12) matched with the screw rods (10) are formed in the mold core (11).

3. A gear box shell casting device according to claim 1, wherein the screw (10) is in a casting state penetrating to the upper part of the gear box shell cover (9), and the top column (14) is in sliding fit with the lower mould shell (8).

4. A gearbox housing casting arrangement according to claim 1, characterised in that the motor of the driving gear (16) is a servo motor.

5. A gear box housing casting device according to claim 1, characterized in that the lifting cylinder (4) drives the lifting plate (17) upwards to the gear box housing cover (9) to eject the mould cavity (13).

6. A gear box housing casting device according to claim 1, further comprising an electronic control box to control the operation of the pushing cylinder (3), the lifting cylinder (4) and the motor.