CN221018535U

CN221018535U - Gearbox foundry sand cleaning device

Info

Publication number: CN221018535U
Application number: CN202322741131.2U
Authority: CN
Inventors: 付雄; 郭亚军; 付红波
Original assignee: Baoji Zhonghai Machinery Equipment Co ltd
Current assignee: Baoji Zhonghai Machinery Equipment Co ltd
Priority date: 2023-10-12
Filing date: 2023-10-12
Publication date: 2024-05-28
Anticipated expiration: 2033-10-12

Abstract

The utility model provides a sand cleaning device for casting of a gearbox, which aims to solve the problems that in the prior art, casting sand of the gearbox is inconvenient to clean and the casting cleaning effect on caking is poor. The utility model can crush and screen larger impurities or agglomerated molding sand in the casting sand, and can automatically convey the casting sand meeting the requirements.

Description

Gearbox foundry sand cleaning device

Technical Field

The utility model belongs to the technical field of gearbox casting sand, and particularly relates to a gearbox casting sand cleaning device.

Background

The box of gearbox is generally for adopting sand casting production processing, in order to guarantee the casting quality of gearbox box, generally need carry out edulcoration clearance operation to the foundry sand before foundry sand uses, get rid of the foundry sand of impurity in the foundry sand and caking, the clearance of current foundry sand is generally clear away through the manual work, such cleaning efficiency is slower, moreover some existing foundry sand's cleaning equipment generally can not be fine to the foundry sand continuation breakage of caking and to some great foundry sand of granule can not reject well, and then can influence the casting quality of follow-up product.

Disclosure of utility model

In order to solve the problems that in the prior art, the casting sand of the gearbox is inconvenient to clean and the casting cleaning effect on caking is poor, the utility model provides the sand cleaning device for the gearbox casting, which can crush and screen larger impurities or caking sand in the casting sand and can automatically convey the casting sand meeting the requirements.

The utility model provides a sand cleaning device for casting of a gearbox, which comprises a support frame, wherein a conveying belt is arranged on the support frame, a cylinder body positioned above the conveying belt is arranged on the support frame, a cavity for cleaning molding sand is arranged in the cylinder body, a spiral auger is arranged in the cavity, a feed hopper communicated with the cavity is arranged at the upper part of the cylinder body, a first screen is formed on the side wall of the lower part of the cylinder body, a discharge hole is formed at one end of the first screen, a material guide plate is connected to the discharge hole, and one end of the material guide plate extends to one side of the conveying belt.

In this technical scheme, casting sand is before using, throw into the cavity of barrel through the feeder hopper, casting sand is extruded and carried under the effect of the spiral auger in the cavity, the spiral auger can play crushing effect to the casting sand of intracavity, help the clearance of the molding sand of caking, be equipped with first screen cloth on the lateral wall of the lower part of barrel moreover, under the effect of spiral auger, casting sand that the granule size accords with the requirement can fall on the conveyer belt through the mesh on the first screen cloth like this, and carry to storage position through the conveyer belt, great impurity and the casting sand that can't fracture can remove to discharge gate position and carry it to another storage position through the stock guide under the effect of spiral auger, the screening of meeting standard casting sand and impurity and separately deposit have been realized.

Preferably, the discharge port is provided with a material distributing cylinder, the bottom of the material distributing cylinder is provided with a second screen, and the sizes of the passing holes of the second screen and the first screen are consistent. The casting sand meeting the requirements entering the material distribution cylinder can be screened for the second time, so that the casting sand is prevented from being treated together with impurities, and the waste of the casting sand in the cleaning process is reduced.

Preferably, the side wall of the feed distributing cylinder is provided with an opening, one end of the guide plate is connected to the lower end of the opening, and the other end of the guide plate extends in a downward inclined mode. Impurities are discharged through the opening, one end of the guide plate is arranged in a downward inclined mode, so that the impurities can automatically slide under the action of self gravity, and the arrangement of the driving part is reduced.

Preferably, the second screen mesh is obliquely arranged in the feed distributing cylinder and is consistent with the inclination angle of the feed guiding plate, and the inclination angle of the feed guiding plate is 10-45 degrees. The slope setting of second screen cloth can avoid impurity to pile up the jam that causes in the feed cylinder bottom.

Preferably, the support frame is provided with baffles which are positioned on two sides of the conveying belt and protrude out of the conveying surface of the conveying belt, and the edges of the conveying belt are attached to the side walls of the baffles. The baffle sets up the both ends at the conveyer belt, can avoid casting sand to drop from the conveyer belt both sides in the transportation and cause extravagant problem.

Preferably, the conveying end of the conveying belt is provided with a storage box, one end of the storage box is provided with an inclined plate, one end of the inclined plate extends into the storage box, and the other end of the inclined plate extends to the lower end of the conveying belt in an upward inclined mode. The structure of the storage box and the inclined plate and the installation position can enable casting sand at the upper end of the conveying belt to conveniently enter the storage box.

Preferably, the first screen is in an arc-shaped structure, and the central angle of the arc-shaped structure of the first screen is 120-180 degrees. The arc structure of first screen cloth makes it can form the part of barrel, can not make the volume of cavity diminish, can improve the cleaning efficiency to foundry sand, and the angle setting of first screen cloth arc structure can avoid the unable accurate problem that falls to the conveyer belt of molding sand after the screening.

Preferably, one end of the cylinder is fixed with a first motor for driving the spiral auger, and the support frame is provided with a second motor for driving the conveying belt.

Preferably, the upper end of the feed hopper is provided with a conical feed body.

In summary, the technical scheme of the utility model has at least the following beneficial effects:

1. the method can crush and screen larger impurities or agglomerated molding sand in the casting sand;

2. Through the design of the conveying belt, casting sand meeting the requirements after cleaning can automatically fall on the conveying belt for conveying, so that the cleaning efficiency is improved;

3. Through the design of discharge gate, second screen cloth and stock guide, can carry out autosegregation to impurity and carry, realized impurity and the autosegregation, the transportation of casting sand that meet the requirements.

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 apparent that the drawings in the following description are only 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 front view of the overall structure of one embodiment of the present utility model;

FIG. 2 is a schematic side view of one embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 1 in accordance with the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 2 in accordance with the present utility model;

Fig. 5 is a schematic side view of a barrel structure according to one embodiment of the present utility model.

In the figure:

1. A support frame; 2. a conveyor belt; 3. a cylinder; 4. a spiral auger; 5. a feed hopper; 6. a first screen; 7. a discharge port; 8. a material guide plate; 9. a material distributing cylinder; 10. a second screen; 11. a baffle; 12. a storage bin; 13. a sloping plate; 14. a first motor; 15. and a second motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, one embodiment of the utility model provides a sand cleaning device for casting of a gearbox, which comprises a support frame 1, wherein a conveying belt 2 is arranged on the support frame 1, a second motor 15 for driving the conveying belt 2 is arranged on the support frame 1, a cylinder body 3 positioned above the conveying belt 2 is arranged on the support frame 1, a cavity for cleaning molding sand is arranged in the cylinder body 3, a spiral auger 4 is arranged in the cavity, a first motor 14 for driving the spiral auger 4 is fixed at one end of the cylinder body 3, a feed hopper 5 communicated with the cavity is arranged at the upper part of the cylinder body 3, a first screen 6 is formed on the side wall of the lower part of the cylinder body 3, a discharge hole 7 is arranged at one end of the first screen 6, a material guide plate 8 is connected on the discharge hole 7, and one end of the material guide plate 8 extends to one side of the conveying belt 2.

In the embodiment, before the casting sand is used, the casting sand is put into the cavity of the cylinder body 3 through the feeding hopper 5, wherein the conical feeding body is arranged at the upper end of the feeding hopper 5, so that the size of an inlet of the feeding hopper 5 is enlarged, casting sand is more conveniently put into the feeding hopper 5, the casting sand entering the cavity is extruded and conveyed under the action of the spiral auger 4, the extrusion of the spiral auger 4 can have a crushing effect on the casting sand in the cavity, and the cleaning of agglomerated molding sand is facilitated; in addition, a first screen 6 is arranged on the side wall of the lower part of the cylinder body 3, so that under the action of the spiral auger 4, casting sand with the particle size meeting the requirement can fall on the conveying belt 2 through meshes on the first screen 6, and is conveyed to a storage part through the conveying belt 2, and larger impurities and casting sand which cannot be crushed can move to a discharge hole 7 part under the action of the spiral auger 4 and are conveyed to another storage part through a material guide plate 8, so that screening and separate storage of casting sand and impurities meeting the standard are realized.

In order to achieve a better cleaning effect, a feed distributing cylinder 9 is arranged at the position of a discharge hole 7 of one embodiment of the utility model, a second screen 10 is arranged at the bottom of the feed distributing cylinder 9, and the sizes of the passing holes of the second screen 10 and the passing holes of the first screen 6 are consistent. The design of the feed distributing cylinder 9 and the second screen 10 in the embodiment can carry out secondary screening on the casting sand meeting the requirements entering the feed distributing cylinder 9, so that the casting sand is prevented from being treated together with impurities, and the waste of the casting sand in the cleaning process is reduced.

In order to facilitate the discharge of impurities, the side wall of the feed barrel 9 of one embodiment of the utility model is provided with an opening, one end of the feed guide plate 8 is connected to the lower end of the opening, and the other end of the feed guide plate 8 extends obliquely downwards. Impurities are discharged through the opening, one end of the guide plate 8 is arranged in a downward inclined mode, so that the impurities can automatically slide under the action of self gravity, and the arrangement of a driving part is reduced. In this embodiment, further, the second screen 10 is arranged inclined in the distributor cylinder 9 and coincides with the inclination angle of the guide plate 8, the inclination angle of the guide plate 8 being 10-45 °. The second screen 10 is obliquely arranged, so that the blockage caused by the accumulation of impurities at the bottom of the material distributing cylinder 9 can be avoided. It should be noted that, when setting up in practice, the inclination of stock guide 8 needs to set up in a certain extent, and too little probably leads to impurity unable in time to discharge, causes the jam, and too big can make follow the casting sand of meeting the requirements in the impurity entering feed cylinder 9 unable in time separate, causes the waste.

The support frame 1 of one embodiment of the utility model is provided with baffle plates 11 which are positioned on two sides of the conveyor belt 2 and protrude out of the conveying surface of the conveyor belt 2, and the edge of the conveyor belt 2 is attached to the side wall of the baffle plates 11. Baffle 11 sets up the both ends at conveyer belt 2, can avoid casting sand to drop from conveyer belt 2 both sides in the transportation and cause extravagant problem.

In order to better store casting sand meeting the requirements, the conveying end of the conveying belt 2 is provided with a storage box 12, one end of the storage box 12 is provided with an inclined plate 13, one end of the inclined plate 13 extends into the storage box 12, and the other end of the inclined plate 13 extends to the lower end of the conveying belt 2 in an upward inclined mode. The structure and the installation position of the storage box 12 and the inclined plate 13 can enable casting sand at the upper end of the conveyor belt 2 to conveniently enter the storage box 12.

The first screen 6 of one embodiment of the present utility model has an arc-shaped structure, and the central angle of the arc-shaped structure of the first screen 6 is 120-180 degrees. The arc structure of the first screen 6 makes it possible to form a part of the cylinder 3, so that the volume of the cavity is not reduced, the cleaning efficiency of casting sand can be improved, and the problem that the screened molding sand cannot accurately fall onto the conveyor belt 2 can be avoided due to the angle setting of the arc structure of the first screen 6.

The present embodiment is not limited in any way by the shape, material, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the scope of protection of the technical solution of the present utility model.

Claims

1. The utility model provides a sand cleaning device for gearbox foundry, its characterized in that, including support frame (1), be equipped with conveyer belt (2) on support frame (1), be equipped with barrel (3) that are located conveyer belt (2) top on support frame (1), be equipped with the cavity that is used for clearing up the molding sand in barrel (3), be equipped with spiral auger (4) in the cavity, the upper portion of barrel (3) be equipped with feeder hopper (5) of cavity intercommunication, be formed with first screen cloth (6) on the lateral wall of barrel (3) lower part, the one end of first screen cloth (6) is equipped with discharge gate (7), be connected with stock guide (8) on discharge gate (7), the one end of stock guide (8) extends to one side of conveyer belt (2).

2. The sand cleaning device for gearbox casting according to claim 1, wherein a feed distributing cylinder (9) is arranged at the position of the discharge outlet (7), a second screen (10) is arranged at the bottom of the feed distributing cylinder (9), and the sizes of the passing holes of the second screen (10) and the passing holes of the first screen (6) are consistent.

3. The sand cleaning device for casting of a gearbox according to claim 2, characterized in that an opening is arranged on the side wall of the feed distributing cylinder (9), one end of the feed guiding plate (8) is connected to the lower end of the opening, and the other end of the feed guiding plate (8) extends obliquely downwards.

4. A sand cleaning device for gearbox castings according to claim 3, characterized in that the second screen (10) is arranged inclined in the feed separation drum (9) and is in agreement with the inclination angle of the feed guide plate (8), the inclination angle of the feed guide plate (8) being 10-45 °.

5. The sand cleaning device for gearbox casting according to claim 1, wherein the supporting frame (1) is provided with baffle plates (11) which are positioned on two sides of the conveying belt (2) and protrude out of the conveying surface of the conveying belt (2), and the edge of the conveying belt (2) is attached to the side wall of the baffle plates (11).

6. The sand cleaning device for gearbox casting according to claim 1, wherein a storage box (12) is arranged at the conveying end of the conveying belt (2), one end of the storage box (12) is provided with an inclined plate (13), one end of the inclined plate (13) extends into the storage box (12), and the other end of the inclined plate (13) extends to the lower end of the conveying belt (2) in an upward inclined mode.

7. A sand cleaning device for gearbox castings according to claim 1, wherein the first screen (6) is of an arc-shaped configuration, and the central angle of the arc-shaped configuration of the first screen (6) is 120-180 °.

8. The sand cleaning device for gearbox casting according to claim 1, characterized in that one end of the cylinder (3) is fixed with a first motor (14) for driving the spiral auger (4), and the support frame (1) is provided with a second motor (15) for driving the conveyor belt (2).

9. A sand cleaning device for gearbox castings according to claim 1, characterized in that the upper end of the feed hopper (5) is provided with a conical feed body.