CN216027989U

CN216027989U - Aluminum alloy kappa wheel hub casting mould

Info

Publication number: CN216027989U
Application number: CN202121453575.0U
Authority: CN
Inventors: 何灿东; 陈木星
Original assignee: Binzhou Candong Mould Technology Co ltd
Current assignee: Binzhou Candong Mould Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-03-15
Anticipated expiration: 2031-06-29

Abstract

The utility model relates to an aluminum alloy truck hub casting mold which comprises a casting box, wherein a hydraulic cylinder is fixedly installed at the top of the casting box, a hydraulic rod is fixedly installed at the bottom of the hydraulic cylinder, an upper mold is fixedly installed at the bottom of a lifting plate, a lower mold is fixedly installed on the rear side wall of the casting box, and a cooling mechanism is fixedly installed inside the casting box. This aluminum alloy kappa wheel hub casting mould, through setting up cooling body, the pneumatic cylinder starts stretching out of driving the hydraulic stem, drive the lifter plate downstream simultaneously, the mutual extrusion between mould and the bed die makes the wheel hub shaping on realizing, then the pneumatic cylinder drives the hydraulic stem shrink, make the mould break away from fashioned wheel hub, this moment through starter motor, its output shaft drives the liquid nitrogen case and carries out the secondary cooling to the fashioned kappa wheel hub of casting, the liquid nitrogen case passes through adjusting device downstream to the normal position after the cooling is accomplished, so die-casting wheel hub just can improve intensity through thermal treatment, the cooling effect is better.

Description

Aluminum alloy kappa wheel hub casting mould

Technical Field

The utility model relates to the technical field of hub casting, in particular to an aluminum alloy kappa hub casting mold.

Background

The hub is a wheel core rotating part formed by connecting the inner profile steel of the tire through an upright post, the hub is various, the aluminum alloy hub has the advantages of light weight, good heat dissipation performance, attractive appearance and the like, and the aluminum alloy hub gradually replaces the steel hub.

At present, in the prior art, the cooling of a wheel hub mould has air cooling, water cooling and iron cooling modes, but when the cooling of the casting mould is carried out, the cooling efficiency of the casting mould is too low, the cooling of the bottom is too poor, the cooling is not uniform, the requirement of workers is difficult to achieve, and the aluminum alloy kappa wheel hub casting mould is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the aluminum alloy truck hub casting mold which has the advantages of high cooling efficiency and the like and solves the problem of uneven cooling.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an aluminum alloy truck wheel hub casting mould, includes the casting case, the top fixed mounting of casting case has the pneumatic cylinder, the bottom fixed mounting of pneumatic cylinder has the hydraulic stem, the bottom fixed mounting of hydraulic stem has the lifter plate, the bottom fixed mounting of lifter plate has the mould, the back lateral wall fixed mounting of casting case has the bed die, the inside fixed mounting of casting case has cooling body, cooling body includes threaded rod, toper from driving wheel, motor, dwang, toper action wheel, thread bush, spout, slider and liquid nitrogen case, the inside fixed mounting of casting case right side wall has the threaded rod, the surface fixed mounting of threaded rod has the toper from the driving wheel, the right side fixed mounting of casting case has the motor, the output shaft fixed mounting of motor has the dwang, the left side fixed mounting of dwang has the toper action wheel, the surface threaded connection of threaded rod has the thread bush, the spout has all been seted up to the left and right sides of casting incasement wall, the inside movable mounting of casting case left side wall has the slider, the inside movable mounting of casting case has liquid nitrogen case.

Further, the inside fixed mounting of casting case has the fixed slide bar that is located the mould left and right sides, two the equal movable mounting of surface of fixed slide bar has the sleeve.

Further, the lifter plate is located between two sleeves, and lifter plate and sleeve are fixed connection, threaded rod movable mounting is in the inside of right side spout.

Furthermore, the outer surface of the fixed slide bar is fixedly provided with a damping spring, and the damping spring is positioned on the upper side and the lower side of the sleeve.

Furthermore, a limiting rod is fixedly connected between the threaded sleeve and the liquid nitrogen box, and a connecting rod is fixedly connected between the sliding block and the liquid nitrogen box.

Further, ceramic layers are arranged on the surfaces of the upper die and the lower die, radiating holes are formed in the left side wall and the right side wall of the casting box, and the radiating holes are arranged at equal intervals.

Further, the inner wall of spout and the surface of slider are laminated mutually, the equal fixed mounting in upper and lower both sides of threaded rod has the bearing.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

the aluminum alloy truck hub casting mold is characterized in that a cooling mechanism is arranged, when the mold is started to perform die-casting work, a hydraulic cylinder is started, the hydraulic cylinder is started to drive a hydraulic rod to extend out, and simultaneously a lifting plate to move downwards so as to drive an upper mold to move downwards, so that the mutual extrusion between the upper mold and a lower mold is realized to form the hub, then the hydraulic cylinder drives the hydraulic rod to contract, and simultaneously drives the lifting plate and the upper mold to move upwards so as to separate the upper mold from the formed hub, at the moment, a motor drives a conical driving wheel to rotate through a rotating rod, the conical driving wheel is meshed with a conical driven wheel, a threaded rod is driven to rotate through a bearing, the threaded rod drives a threaded sleeve to perform upward linear motion, so that a sliding block is driven to move upwards in a sliding groove, meanwhile, a liquid nitrogen box is moved upwards to be parallel to the lower mold, and the truck hub molded through ultralow temperature casting of liquid nitrogen is subjected to secondary cooling, after the cooling is completed, the liquid nitrogen box moves downwards to the original position through the adjusting device, so that the strength of the die-casting hub can be improved through heat treatment, the elongation rate cannot be influenced, the reliability is guaranteed in the using process, the external heat dissipation of the die is facilitated through the effect of the rectangular vent holes, the cooling effect is better, and the efficiency is higher.

Drawings

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

FIG. 2 is a schematic view of the cooling mechanism of the present invention;

in the figure: 1 casting box, 2 hydraulic cylinders, 3 hydraulic rods, 4 lifting plates, 5 upper dies, 6 lower dies, 7 cooling mechanisms, 701 threaded rods, 702 conical driven wheels, 703 motors, 704 rotating rods, 705 conical driving wheels, 706 threaded sleeves, 707 sliding chutes, 708 sliding blocks and 709 liquid nitrogen boxes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the aluminum alloy truck hub casting mold in the embodiment includes a casting box 1, a hydraulic cylinder 2 is fixedly installed at the top of the casting box 1, a hydraulic rod 3 is fixedly installed at the bottom of the hydraulic cylinder 2, a lifting plate 4 is fixedly installed at the bottom of the hydraulic rod 3, an upper mold 5 is fixedly installed at the bottom of the lifting plate 4, fixed slide rods 8 located at the left and right sides of the upper mold 5 are fixedly installed inside the casting box 1, damping springs are fixedly installed on the outer surfaces of the fixed slide rods 8, the damping springs are beneficial to the stable movement of the upper mold 5 to avoid causing damage to the mold, a lower mold 6 is fixedly installed on the rear side wall of the casting box 1, ceramic layers are respectively installed on the surfaces of the upper mold 5 and the lower mold 6, the upper mold core and the lower mold core are smoother through the effect of the ceramic layers, the outer surface quality of a cast product is better, and the polishing time of a subsequent polishing process is shortened, radiating holes are formed in the left side wall and the right side wall of the casting box 1 and are arranged at equal intervals, heat generated during the casting work of the die is favorably radiated, the hydraulic cylinder 2 is started to drive the hydraulic rod 3 to extend out, and simultaneously the lifting plate 4 is driven to move downwards, so that the upper die 5 is driven to move downwards, the mutual extrusion between the upper die 5 and the lower die 6 is realized, and the hub is molded, a cooling mechanism 7 is fixedly arranged in the casting box 1, the cooling mechanism 7 comprises a threaded rod 701, a conical driven wheel 702, a motor 703, a rotating rod 704, a conical driving wheel 705, a threaded sleeve 706, a sliding chute 707, a sliding block 708 and a liquid nitrogen box 709 are fixedly arranged in the casting box 1, the threaded rod 701 is fixedly arranged in the right side wall of the casting box 1, the conical driven wheel 702 is fixedly arranged on the outer surface of the threaded rod 701, the motor 703 is fixedly arranged on the right side of the casting box 1, the motor 703 is Y132S1-2 in model, and a rotating rod 704 is fixedly arranged at the output shaft of the motor 703, the left side fixed mounting of dwang 704 has toper action wheel 705, and threaded rod 701's surface threaded connection has thread bush 706, and spout 707 has all been seted up to the left and right sides of casting case 1 inner wall, and the inside movable mounting of casting case 1 left side wall has slider 708, and the inside movable mounting of casting case 1 has liquid nitrogen case 709, carries out the secondary cooling to the fashioned card ba wheel hub of casting through the ultra-low temperature nature of liquid nitrogen, improves cooling efficiency.

When in implementation, the method comprises the following steps:

1) firstly, starting a power switch of the hydraulic cylinder 1 to drive the hydraulic rod 3 to extend out, and simultaneously driving the lifting plate 4 to move downwards, so that the upper die 5 and the lower die 6 are extruded mutually to form a hub;

2) then the hydraulic cylinder 2 drives the hydraulic rod 3 to contract and simultaneously drives the lifting plate 4 and the upper die 5 to move upwards, so that the upper die 5 is separated from the formed hub;

3) then starting the motor 703, and driving the liquid nitrogen box 709 to move upwards through an output shaft of the motor 703 so as to cool the hub for the second time;

4) finally, the liquid nitrogen tank 709 is lowered to the position where the bottom of the casting box 1 is attached.

To sum up, in the aluminum alloy truck hub casting mold, by providing the cooling mechanism 7, when the mold is started to perform die casting, the hydraulic cylinder 2 is started to drive the hydraulic rod 3 to extend out, and simultaneously the lifting plate 4 is driven to move downwards, so as to drive the upper mold 5 to move downwards, so as to realize mutual extrusion between the upper mold 5 and the lower mold 6 to form the hub, then the hydraulic cylinder 2 drives the hydraulic rod 3 to contract, and simultaneously the lifting plate 4 and the upper mold 5 are driven to move upwards, so as to separate the upper mold 5 from the formed hub, at this time, by starting the motor 703, the motor 703 drives the cone-shaped driving wheel 705 to rotate through the rotating rod 704, the cone-shaped driving wheel 705 is engaged with the cone-shaped driven wheel 702, the threaded rod 701 is driven to rotate through the bearing, the threaded rod 701 drives the threaded sleeve 706 to perform upward linear motion, so as to drive the slider 708 to move upwards inside the chute 707, make the top rebound of liquid nitrogen case 709 to the parallel department with bed die 6 simultaneously, carry out the secondary cooling to the fashioned kaba wheel hub of casting through the ultra-low temperature nature of liquid nitrogen, liquid nitrogen case 709 passes through adjusting device downstream to the normal position after the cooling is accomplished, so die-cast wheel hub just can improve intensity through thermal treatment, consequently, the elongation can not receive the influence, the reliability has obtained the assurance in the use, through the effect that sets up the rectangle ventilation hole, be favorable to the external heat dissipation of mould, the cooling effect is better, high efficiency.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aluminum alloy kappa wheel hub casting mould, includes casting case (1), its characterized in that: a hydraulic cylinder (2) is fixedly mounted at the top of the casting box (1), a hydraulic rod (3) is fixedly mounted at the bottom of the hydraulic cylinder (2), a lifting plate (4) is fixedly mounted at the bottom of the hydraulic rod (3), an upper mold (5) is fixedly mounted at the bottom of the lifting plate (4), a lower mold (6) is fixedly mounted on the rear side wall of the casting box (1), and a cooling mechanism (7) is fixedly mounted inside the casting box (1);

the cooling mechanism (7) comprises a threaded rod (701), a conical driven wheel (702), a motor (703), a rotating rod (704), a conical driving wheel (705), a threaded sleeve (706), a sliding groove (707), a sliding block (708) and a liquid nitrogen box (709), the threaded rod (701) is fixedly arranged inside the right side wall of the casting box (1), the conical driven wheel (702) is fixedly arranged on the outer surface of the threaded rod (701), the motor (703) is fixedly arranged on the right side of the casting box (1), the rotating rod (704) is fixedly arranged at the output shaft of the motor (703), the conical driving wheel (705) is fixedly arranged on the left side of the rotating rod (704), the threaded sleeve (706) is connected to the outer surface of the threaded rod (701), the sliding grooves (707) are respectively arranged on the left side and the right side of the inner wall of the casting box (1), and the sliding block (708) is movably arranged inside the left side wall of the casting box (1), the casting box (1) is internally and movably provided with a liquid nitrogen box (709).

2. The aluminum alloy kappa hub casting mold of claim 1, wherein: the inside fixed mounting of casting case (1) has fixed slide bar (8) that are located mould (5) left and right sides, two the equal movable mounting in surface of fixed slide bar (8) has sleeve (9).

3. The aluminum alloy kappa hub casting mold of claim 2, wherein: the lifting plate (4) is located between the two sleeves (9), the lifting plate (4) is fixedly connected with the sleeves (9), and the threaded rod (701) is movably mounted in the right sliding groove (707).

4. The aluminum alloy kappa hub casting mold of claim 2, wherein: and the outer surface of the fixed sliding rod (8) is fixedly provided with a damping spring, and the damping spring is positioned on the upper side and the lower side of the sleeve (9).

5. The aluminum alloy kappa hub casting mold of claim 1, wherein: the liquid nitrogen box is characterized in that a limiting rod is fixedly connected between the threaded sleeve (706) and the liquid nitrogen box (709), and a connecting rod is fixedly connected between the sliding block (708) and the liquid nitrogen box (709).

6. The aluminum alloy kappa hub casting mold of claim 1, wherein: ceramic layers are arranged on the surfaces of the upper die (5) and the lower die (6), radiating holes are formed in the left side wall and the right side wall of the casting box (1), and the radiating holes are arranged at equal intervals.

7. The aluminum alloy kappa hub casting mold of claim 1, wherein:

the inner wall of the sliding groove (707) is attached to the outer surface of the sliding block (708), and bearings are fixedly mounted on the upper side and the lower side of the threaded rod (701).