CN213856959U

CN213856959U - Sand box turning device suitable for casting of gearbox shell

Info

Publication number: CN213856959U
Application number: CN202022798307.4U
Authority: CN
Inventors: 付雄; 付红波; 郭亚军
Original assignee: Baoji Zhonghai Machinery Equipment Co ltd
Current assignee: Baoji Zhonghai Machinery Equipment Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-03
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a sand box turning device suitable for transmission case casting, the on-line screen storage device comprises a base, U type support, hollow post, the cavity has been seted up in the base, the symmetry is installed servo motor on the both sides wall of cavity, servo motor's output level rotates and is connected with the pivot, the cover is equipped with first bevel gear in the pivot, first bevel gear meshes there is second bevel gear, the coaxial lifter that is equipped with in the second bevel gear, be equipped with the screw thread on the lower extreme of lifter and have the sleeve through threaded connection, telescopic below is installed and is removed the wheel, the movable slot of being convenient for remove the wheel lift is seted up to the bottom surface bilateral symmetry of base. The first bevel gear, the second bevel gear, the lifting rod and the sleeve are matched with each other, so that the device is very convenient to retract and release the movable wheel; when the device works, the moving wheels are retracted into the cavity, so that the device can be prevented from moving carelessly when the sand box rotates, and the stability of the device is effectively improved.

Description

Sand box turning device suitable for casting of gearbox shell

Technical Field

The utility model relates to a casting equipment technical field especially relates to a sand box turning device suitable for transmission housing casting.

Background

The gearbox is a mechanism used for changing the rotating speed and the torque from an engine, a shell of the gearbox is used in sand casting, the molding and casting processes are usually carried out in a sand box, the sand box needs to be turned over in the molding process, and the sand box turning device on the market basically abandons the traditional manual turning mode, and is upgraded into automatic turning and is easy.

The existing sand box turnover device is large in size, so that the movable wheels are arranged at the bottom of the device to be convenient to move, but the movable wheels cannot be retracted into the device when needed. When the device works, because the sand box overturns at the middle upper part of the device, the force caused by the movement of the sand box easily causes the device to move on the ground, and the normal overturning of the sand box can be influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a sand box turnover device suitable for casting a transmission case, which is characterized in that a first bevel gear, a second bevel gear, a lifting rod and a sleeve are arranged to be matched with each other, so that the device is very convenient for winding and unwinding a movable wheel; when the device works, the moving wheels are retracted into the cavity, so that the device can be prevented from moving carelessly when the sand box rotates, and the stability of the device is effectively improved.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a sand box turning device suitable for transmission case casting, includes base, U type support, hollow post, sand box, the cavity has been seted up in the base, servo motor is installed to the symmetry on the both sides wall of cavity, servo motor's output level rotates and is connected with the pivot, the cover is equipped with first bevel gear in the pivot, first bevel gear meshes there is second bevel gear, the coaxial lifter that is equipped with in the second bevel gear, be equipped with the screw thread on the lower extreme of lifter and have the sleeve through threaded connection, the removal wheel is installed to telescopic below, the movable slot that the removal wheel of being convenient for goes up and down is seted up to the bottom surface bilateral symmetry of base.

As a preferred technical scheme of the utility model, the top bilateral symmetry welding of base has U type support, evenly distributed has a plurality of fixed frames on the U type support, the rigid coupling has spring assembly in the fixed frame, be provided with hollow post in the U type support, spring assembly's top is connected with the bottom outer wall of hollow post, the sliding block is equipped with to the both sides outer wall bottom symmetry of hollow post, be equipped with the slide rail with the big or small looks adaptation of sliding block on the both sides wall of U type support.

As a preferred technical scheme of the utility model, install positive reverse motor in the U type support, the vertical rotation of output of positive reverse motor is connected with the lead screw, the lift plate has been registrated on the lead screw, be fixed with rotating electrical machines on the lift plate, it is connected with the live-rollers to rotate on rotating electrical machines's the output, be fixed with the connecting plate on the live-rollers, two be fixed with the sand box between the connecting plate.

As an optimized technical scheme of the utility model, the surface of removing the wheel is equipped with anti-skidding line.

As a preferred technical scheme of the utility model, the quantity of spring unit is four groups at least.

As an optimal technical scheme of the utility model, pass through the bolt fastening between connecting plate and the sand box.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the arrangement of the first bevel gear, the second bevel gear, the lifting rod and the sleeve, the servo motor is in transmission fit with the two bevel gears through the rotating shaft, so that the lifting rod can ascend or descend, the lifting rod drives the movable wheel to move in the movable groove and the cavity through the sleeve in threaded connection with the lower end of the lifting rod, and the device is very convenient to retract and release the movable wheel; when the device works, the moving wheels are contracted into the cavity, so that the device can be prevented from moving carelessly when the sand box rotates, and the stability of the device is effectively improved;

2. through the sliding block that sets up, mutually supporting between slide rail and the spring unit, positive reverse motor is in the course of the work, the hollow post that its outside was equipped with subtract the burden through the spring unit who sets up between with U type support, spring unit absorbs the pressure that hollow post and positive reverse motor received through deformation, prevent that positive reverse motor from leading to partial component to damage because of long-term overload, played the guard action to the motor, prolonged positive reverse motor's life to a certain extent.

Drawings

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

FIG. 2 is an enlarged view of the point A of the present invention;

FIG. 3 is an enlarged view of the point B of the present invention;

wherein: 1. a base; 2. a U-shaped bracket; 3. a hollow column; 4. a positive and negative rotation motor; 5. a screw rod; 6. a lifting plate; 7. a rotating electric machine; 8. a sand box; 9. a rotating roller; 10. a servo motor; 11. a first bevel gear; 12. a second bevel gear; 13. a moving wheel; 14. a lifting rod; 15. a sleeve; 16. a thread; 17. a slider; 18. a spring assembly.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and 3, the utility model provides a sand box turning device suitable for casting of transmission case, including base 1, U type support 2, hollow post 3, sand box 8, open the cavity in the base 1, servo motor 10 is installed to the symmetry on the both sides wall of cavity, servo motor 10's output level is rotated and is connected with the pivot, the cover is equipped with first bevel gear 11 in the pivot, first bevel gear 11 meshes there is second bevel gear 12, coaxial lifter 14 that is equipped with in the second bevel gear 12, be equipped with screw thread 16 on the lower extreme of lifter 14 and be connected with sleeve 15 through screw thread 16, moving wheel 13 is installed to the below of sleeve 15, the bottom surface both sides symmetry of base 1 is seted up the movable groove of being convenient for moving wheel 13 to go up and down;

when the device works, a servo motor 10 is started, the servo motor 10 drives a first bevel gear 11 to rotate through a rotating shaft, the first bevel gear 11 drives a second bevel gear 12 meshed with the first bevel gear, the second bevel gear 12 rotates, a lifting rod 14 also rotates, a sleeve 15 connected with a lower end thread 16 of the lifting rod 14 moves upwards in the rotating process, the sleeve 15 drives a moving wheel 13 to move upwards and contract into a cavity, and the base 1 can directly contact the ground; when the device needs to move, the servo motor 10 is started to enable the rotation direction of the servo motor to be opposite to the previous rotation direction, the motor drives the rotating shaft to rotate, the rotating shaft drives the lifting rod to rotate through transmission between the two bevel gears, when the lifting rod rotates, the sleeve 15 connected with the lower end threads 16 moves downwards, the sleeve 15 drives the moving wheel 13 to move downwards until the moving wheel contacts the ground, and the device can move. Through the arrangement of the first bevel gear 11, the second bevel gear 12, the lifting rod 14 and the sleeve 15, the servo motor 10 is in transmission fit with the two bevel gears through a rotating shaft, so that the lifting rod 14 can ascend or descend, the lifting rod 14 drives the moving wheel 13 to move in the movable groove and the cavity through the sleeve 15 connected with the lower end threads 16 of the lifting rod 14, and the moving wheel 13 can be conveniently retracted and released by the device; when the device works, the moving wheel 13 is contracted into the cavity, so that the sand box 8 can be prevented from moving carelessly when rotating, and the stability of the device is effectively improved.

In another embodiment, as shown in fig. 1 and 2, the embodiment discloses that U-shaped brackets 2 are symmetrically welded on two sides of the top end of a base 1, a plurality of fixing frames are uniformly distributed on the U-shaped brackets 2, spring assemblies 18 are fixedly connected in the fixing frames, hollow columns 3 are arranged in the U-shaped brackets 2, the top ends of the spring assemblies 18 are connected with the outer walls of the bottom ends of the hollow columns 3, sliding blocks 17 are symmetrically arranged at the bottom ends of the outer walls of two sides of the hollow columns 3, and sliding rails matched with the sliding blocks 17 in size are arranged on two side walls of the U-shaped brackets 2;

when the device works, the forward and reverse rotating motor 4 can receive large pressure from the upper part, the forward and reverse rotating motor 4 drives the hollow column 3 to slightly move downwards due to the pressure, the sliding blocks 17 at the bottom ends of the outer walls of two sides of the hollow column 3 slide in the sliding rails and compress the spring assembly 18 in the downward movement process of the hollow column 3, and the spring assembly 18 recovers after being deformed to absorb the pressure received by the hollow column 3 and the forward and reverse rotating motor 4. Through the sliding block 17 that sets up, mutually support between slide rail and the spring unit 18, positive reverse motor 4 is in the course of the work, the hollow column 3 that its outside was equipped with subtracts the burden through the spring unit 18 that sets up between with U type support 2, spring unit 18 absorbs the pressure that hollow column 3 and positive reverse motor 4 received through deformation, prevent that positive reverse motor 4 from leading to partial component to damage because of long-term overload, the guard action has been played the motor, the life of positive reverse motor 4 has been prolonged to a certain extent.

In another embodiment, as shown in fig. 1, the embodiment discloses that a forward and reverse rotation motor 4 is installed in a U-shaped bracket 2, an output end of the forward and reverse rotation motor 4 is vertically and rotatably connected with a screw rod 5, a lifting plate 6 is sleeved on the screw rod 5, a rotating motor 7 is fixed on the lifting plate 6, a rotating roller 9 is rotatably connected on an output end of the rotating motor 7, a connecting plate is fixed on the rotating roller 9, and a sand box 8 is fixed between the two connecting plates;

the device is at the during operation, start positive and negative motor 4, positive and negative motor 4 corotation drives lead screw 5 and rotates, lead screw 5 is at rotation in-process lifter plate 6 and rises, when lifter plate 6 was located 5 intermediate positions of lead screw, close positive and negative motor 4, be fixed in between two connecting plates sand box 8, then start rotating electrical machines 7, rotating electrical machines 7 makes sand box 8 begin to rotate through live-rollers 9, when sand box 8 placed the upset in the device, the upset is steady, the sand mould is not fragile, easy operation.

In another embodiment, as shown in fig. 1, this embodiment discloses that the surface of the moving wheel 13 is provided with anti-skid lines;

the device can move through moving wheel 13, and the anti-skidding line that moves wheel 13 surface and be equipped with can increase its and ground between frictional force but not hinder its motion, prevents that the wheel surface from too smooth leading to the device to move in-process out of control.

In another embodiment, as shown in FIG. 1, the present embodiment discloses that the number of spring assemblies 18 is at least four;

when the device works, the positive and negative rotation motor 4 drives the screw rod 5, the lifting plate 6 drives the sand box 8 to rotate on the screw rod 5, the positive and negative rotation motor 4 can bear large pressure, the damping is carried out through the spring assemblies 18, the load reduction effect is achieved, the number of the spring assemblies 18 is at least four, the damping capacity can be improved, the load reduction effect is enhanced, and the service life of the positive and negative rotation motor 4 is prolonged to a certain extent.

In another embodiment, as shown in fig. 1, this embodiment discloses that the connecting plate and the flask 8 are fixed by bolts; when the device works, the sand box 8 is fixed between the two connecting plates, then the sand box 8 is overturned, and the sand box 8 and the connecting plates are fixed through bolts so as to be convenient for detaching the sand box 8.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sand box turning device suitable for transmission case casting, includes base (1), U type support (2), hollow post (3), sand box (8), its characterized in that: the cavity is opened in base (1), servo motor (10) are installed to the symmetry on the both sides wall of cavity, the output level of servo motor (10) is rotated and is connected with the pivot, the cover is equipped with first bevel gear (11) in the pivot, first bevel gear (11) meshing has second bevel gear (12), coaxial lifter (14) that is equipped with in second bevel gear (12), be equipped with on the lower extreme of lifter (14) screw thread (16) and be connected with sleeve (15) through screw thread (16), removal wheel (13) are installed to the below of sleeve (15), the movable groove of being convenient for remove wheel (13) and go up and down is seted up to the bottom surface bilateral symmetry of base (1).

2. The flask turnover device of claim 1, wherein: the utility model discloses a sliding block of base (1) is fixed on U type support (2), the top both sides symmetrical welding of base (1) has U type support (2), evenly distributed has a plurality of fixed frames on U type support (2), the rigid coupling has spring assembly (18) in the fixed frame, be provided with hollow post (3) in U type support (2), the top of spring assembly (18) is connected with the bottom outer wall of hollow post (3), sliding block (17) are equipped with to the both sides outer wall bottom symmetry of hollow post (3), be equipped with the slide rail with sliding block (17) size looks adaptation on the both sides wall of U type support (2).

3. The flask turnover device of claim 1, wherein: install in U type support (2) just reverse motor (4), the vertical rotation of output of just reverse motor (4) is connected with lead screw (5), the registrate lifter plate (6) has been gone up in lead screw (5), be fixed with rotating electrical machines (7) on lifter plate (6), it is connected with live-rollers (9) to rotate on the output of rotating electrical machines (7), be fixed with the connecting plate on live-rollers (9), two be fixed with sand box (8) between the connecting plate.

4. The flask turnover device of claim 1, wherein: the surface of the moving wheel (13) is provided with anti-skid grains.

5. The flask turnover device suitable for transmission case casting according to claim 2, wherein: the number of the spring assemblies (18) is at least four.

6. The flask turnover device suitable for transmission case casting according to claim 3, wherein: the connecting plate and the sand box (8) are fixed through bolts.