CN214417604U

CN214417604U - Iron mold uniform sand coating device for casting automobile axle housing

Info

Publication number: CN214417604U
Application number: CN202023168289.8U
Authority: CN
Inventors: 李朝阁
Original assignee: Xixia Senchi Auto Parts Co ltd
Current assignee: Xixia Senchi Auto Parts Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-10-19
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses an even sand device that covers of iron mold for automobile axle housing casting, including base, bearing platform, axle housing iron mold body and penetrate the sand subassembly, the upper end mid-mounting of base has the bearing platform, and the upper end of bearing platform is provided with axle housing iron mold body to the inside embedding of base installs first motor, the output key of first motor is connected with the screw rod, and the middle part thread bush of screw rod is equipped with the movable block, and installs the fixed block in the upper end of movable block, the mid-mounting of base has the stand, and the inside of stand is seted up flutedly to the right side fixed mounting of stand has the second motor, the output of second motor runs through the internally connected with reciprocal lead screw of recess. This automobile axle housing casting is with even sand device that covers of swage is convenient for fix axle housing swage body, reduces work burden to when evenly covering the sand film to the axle housing, can improve thermosetting speed, promote production efficiency.

Description

Iron mold uniform sand coating device for casting automobile axle housing

Technical Field

The utility model relates to an automobile axle housing casting technical field specifically is an automobile axle housing casting is with even sand device that covers of iron mold.

Background

The automobile axle housing is necessary on the car and holds carrier and pass power piece for support and protect inside reduction gear, differential mechanism etc. of installing of car, in automobile axle housing processing, require the axle housing to have higher intensity, rigidity and fatigue life, wherein sand-lined metal mold casting is one of them casting process of axle housing, penetrate sand through compressed air and cover a thin layer tectorial membrane at automobile axle housing iron mold inner chamber, so that follow-up deep-processing carries out, however current automobile axle housing casting still has following problem with the even sand-lined metal mold device:

the inconvenient car axle housing swage of iron mold evenly covering sand device for casting of current car axle housing is fixed, increases staff's work burden, and the even sand device that covers of iron mold for casting of current car axle housing covers a thin layer to car axle housing iron mold inner chamber after covering a thin layer tectorial membrane simultaneously, and is slower to the speed of the thermosetting of tectorial membrane, and it is long when the extension processing, reduction production efficiency.

We have proposed an apparatus for uniformly coating sand on an iron mold for casting an automotive axle housing, so as to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile axle housing casting is with even sand device that covers of iron mold to solve the inconvenient automobile axle housing iron mold that fixes of the even sand device that covers of iron mold for automobile axle housing casting that has now on the existing market that above-mentioned background art provided, increase the processing burden, the thermocuring effect is relatively poor simultaneously, reduces production efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an even sand device that coats of iron mold for automobile axle housing casting, includes base, bearing platform, axle housing iron mold body and penetrates the sand subassembly, the upper end mid-mounting of base has the bearing platform, and the upper end of bearing platform is provided with axle housing iron mold body to the inside embedding of base installs first motor, the output key of first motor is connected with the screw rod, and the middle part screw thread cover of screw rod is equipped with the movable block to the fixed block is installed to the upper end of movable block, the mid-mounting of base has the stand, and the inside of stand is seted up flutedly to the right side fixed mounting of stand has the second motor, the output of second motor runs through the internally connected of recess and has reciprocal lead screw, and the middle part cover of reciprocal lead screw is equipped with and penetrates the sand subassembly.

Preferably, the number of the screw rods is 2 about the center symmetry of the base, a transmission belt is arranged between the 2 screw rods, and the two ends of the screw rods are arranged in a reverse thread structure.

Preferably, the movable block and the fixed block form an L-shaped structural design, the fixed block is attached to the side of the axle housing iron-type body, and the fixed block and the base form a sliding connection.

Preferably, the first air bag and the second air bag are respectively arranged in the groove, and the lower end of the second air bag is uniformly provided with hot air spray heads at equal intervals.

Preferably, the shortest distance between the first air bags on the two sides of the groove is smaller than the cross-sectional thickness of the horizontal plane where the central axis of the reciprocating screw rod of the sand shooting assembly is located, and the centers of the hot air spray heads arranged on the second air bags on the two sides of the groove are not located on the end face of the axle housing iron-type body.

Preferably, one side of the first balloon is formed in a serpentine shape, and the first balloon and the second balloon communicate with each other.

Compared with the prior art, the beneficial effects of the utility model are that: the iron mold uniform sand coating device for casting the automobile axle housing;

1. the movable blocks and the fixed blocks are arranged, so that after the axle housing iron-type body is placed on the bearing table, the first motor is started to drive the screw rod to rotate, 2 movable blocks sleeved in the middle of the screw rod can realize relative movement under the arrangement of reverse threads until one side of the fixed block arranged at the upper end of each movable block is attached to the side part of the axle housing iron-type body, and the axle housing iron-type body can be fixed;

2. be provided with first gasbag and second gasbag for when the second motor drives through reciprocal lead screw and penetrates the sand subassembly and make a round trip evenly to cover the sand film, penetrate the sand subassembly and can promote the inside hot gas flow of second gasbag to spout to the lateral part of axle housing swage body from the hot gas shower nozzle through extruding first gasbag, promote the solidification of the inside film of axle housing swage body through heating the outer wall, improve production efficiency.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the top-down structure of the present invention;

FIG. 3 is a schematic side sectional view of the fixing block of the present invention;

fig. 4 is a schematic view of the bottom-up structure of the reciprocating screw rod of the present invention.

In the figure: 1. a base; 2. a receiving table; 3. an axle housing iron-type body; 4. a first motor; 5. a transmission belt; 6. a screw; 7. a movable block; 8. a fixed block; 9. a column; 10. a groove; 11. a second motor; 12. a reciprocating screw rod; 13. a sand shooting assembly; 14. a first air bag; 15. a second air bag; 16. a hot gas spray head.

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: an iron mold uniform sand coating device for casting an automobile axle housing comprises a base 1, a bearing platform 2, an axle housing iron mold body 3, a first motor 4, a transmission belt 5, a screw rod 6, a movable block 7, a fixed block 8, an upright post 9, a groove 10, a second motor 11, a reciprocating screw rod 12, a sand shooting assembly 13, a first air bag 14, a second air bag 15 and a hot air nozzle 16, wherein the bearing platform 2 is installed in the middle of the upper end of the base 1, the axle housing iron mold body 3 is arranged at the upper end of the bearing platform 2, the first motor 4 is installed in the base 1 in an embedded mode, the screw rod 6 is connected with the output end of the first motor 4 in a key mode, the movable block 7 is sleeved on the middle of the screw rod 6 in a threaded mode, the fixed block 8 is installed at the upper end of the movable block 7, the upright post 9 is installed in the middle of the base 1, the groove 10 is formed in the upright post 9, and the second motor 11 is fixedly installed on the right side of the upright post 9, the output end of the second motor 11 penetrates through the inside of the groove 10 and is connected with a reciprocating screw rod 12, and a sand shooting assembly 13 is sleeved in the middle of the reciprocating screw rod 12;

the number of the screws 6 is 2 about the center of the base 1, and the transmission belt 5 is arranged between the 2 screws 6, and the two ends of the screw rod 6 are arranged in a reverse thread structure, the movable block 7 and the fixed block 8 form an L-shaped structural design, the fixed block 8 is attached to the side part of the axle housing iron-type body 3, and the fixed block 8 and the base 1 form a sliding connection, so that after the axle housing iron-type body 3 is placed on the bearing platform 2, starting the first motor 4, the first motor 4 can drive 2 screws 6 to synchronously rotate through the

transmission belt

5, 2 movable blocks 7 sleeved on the screws 6 are under the design of reverse thread structures at two ends of the screws 6, the axle housing iron-type body 3 can move relatively until one side of a fixed block 8 arranged at the upper end of the movable block 7 is attached to the side part of the axle housing iron-type body 3, so that the axle housing iron-type body 3 can be fixed conveniently for subsequent sand film coating;

the first air bags 14 and the second air bags 15 are respectively arranged in the grooves 10, the lower ends of the second air bags 15 are uniformly provided with hot air spray heads 16 at equal intervals, the shortest distance between the first air bags 14 at two sides of the grooves 10 is smaller than the transverse thickness of a horizontal plane where the sand shooting component 13 is located by the central axis of the reciprocating screw rod 12, the centers of the hot air spray heads 16 arranged on the second air bags 15 arranged at two sides of the grooves 10 are not located on the end face of the axle housing iron-type body 3, one side of each first air bag 14 is in a winding shape, the first air bags 14 are communicated with the second air bags 15, so that after the two ends of the axle housing iron-type body 3 are fixed under the action of the fixing blocks 8, the second motor 11 is started, the second motor 11 can drive the reciprocating screw rod 12 to rotate, the sand shooting component 13 sleeved on the reciprocating screw rod 12 can reciprocate, and therefore the inner wall of the axle housing iron-type body 3 can be uniformly coated with sand films, meanwhile, when the sand shooting assembly 13 is driven by the reciprocating screw rod 12 to reciprocate in the groove 10, the first air bags 14 arranged at two sides of the groove 10 are in a winding shape, and the distance between the first air bags 14 and the second air bags 14 is smaller than the transverse thickness of the horizontal plane where the central axis of the sand shooting assembly 13 is located by the reciprocating screw rod 12, so that the sand shooting assembly 13 continuously extrudes the first air bags 14, and the first air bags 14 are communicated with the second air bags 15, so that hot air in the second air bags 15 can be sprayed out of the hot air spray heads 16 by the sand shooting assembly 13, the centers of the hot air spray heads 16 are not located on the end face of the axle housing iron-shaped body 3, a certain inclination angle exists, the forming condition of an internal thin film can not be influenced, meanwhile, the forming of the thin film is promoted by heating the outer wall of the axle housing iron-shaped body 3, and the production efficiency is improved.

The working principle is as follows: when the iron mold uniform sand coating device for casting the automobile axle housing is used, as shown in fig. 1-3, after an axle housing iron mold body 3 is placed on a bearing platform 2, a first motor 4 is started, the first motor 4 can drive 2 screw rods 6 to synchronously rotate through a

transmission belt

5, 2 movable blocks 7 sleeved on the screw rods 6 can relatively move under the design of reverse thread structures at two ends of the screw rods 6 until one side of a fixed block 8 arranged at the upper end of each movable block 7 is attached to the side part of the axle housing iron mold body 3, so that the axle housing iron mold body 3 can be fixed conveniently for subsequent sand coating;

as shown in fig. 1-2 and fig. 4, after the two ends of the axle housing iron-type body 3 are fixed by the fixing block 8, the second motor 11 is started, the second motor 11 can drive the reciprocating screw rod 12 to rotate, the sand shooting assembly 13 sleeved on the reciprocating screw rod 12 can reciprocate, so as to uniformly coat the sand on the inner wall of the axle housing iron-type body 3, meanwhile, when the sand shooting assembly 13 reciprocates in the groove 10 under the drive of the reciprocating screw rod 12, the first air bags 14 installed at the two sides of the groove 10 are in a serpentine shape, and the distance is smaller than the transverse thickness of the horizontal plane where the central axis of the reciprocating screw rod 12 is located of the sand shooting assembly 13, so that the sand shooting assembly 13 continuously extrudes the first air bags 14, and the first air bags 14 are communicated with the second air bags 15, so that the sand shooting assembly 13 can eject hot air in the second air bags 15 from the nozzle 16, and the center of hot gas shower nozzle 16 is not located the terminal surface of axle housing swage body 3, has certain inclination promptly, so when can not influencing the inside film shaping condition, through heating the shaping that promotes the film to the outer wall of axle housing swage body 3, improves production efficiency.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automobile axle housing casting is with even sand device that covers of swage, includes base (1), accepting table (2), axle housing swage body (3) and penetrates sand subassembly (13), its characterized in that: the utility model discloses a sand shooting device, including base (1), bearing platform (2), and bearing platform (2), the upper end of base (1) mid-mounting has bearing platform (2), and the upper end of bearing platform (2) is provided with axle housing swage body (3) to first motor (4) are installed in the inside embedding of base (1), the output key connection of first motor (4) has screw rod (6), and the middle part screw thread cover of screw rod (6) is equipped with movable block (7), and fixed block (8) are installed to the upper end of movable block (7), the mid-mounting of base (1) has stand (9), and the inside of stand (9) is seted up fluted (10), and the right side fixed mounting of stand (9) has second motor (11), the output of second motor (11) runs through the internally connected with reciprocal lead screw (12) of recess (10), and the middle part cover of reciprocal lead screw (12) is equipped with and penetrates sand subassembly (13).

2. The iron mold uniform sand coating device for the casting of the automobile axle housing as claimed in claim 1, wherein: the screw rod (6) are symmetrically provided with 2 about the center of the base (1), a transmission belt (5) is installed between the 2 screw rods (6), and the two ends of each screw rod (6) are arranged in a reverse thread structure.

3. The iron mold uniform sand coating device for the casting of the automobile axle housing as claimed in claim 1, wherein: the movable block (7) and the fixed block (8) form an L-shaped structural design, the fixed block (8) is attached to the side portion of the axle housing iron-type body (3), and the fixed block (8) and the base (1) form sliding connection.

4. The iron mold uniform sand coating device for the casting of the automobile axle housing as claimed in claim 1, wherein: the inside of recess (10) is installed first gasbag (14) and second gasbag (15) respectively, and the lower extreme of second gasbag (15) is equidistant evenly seted up hot gas shower nozzle (16).

5. The iron mold uniform sand coating device for the casting of the automobile axle housing as claimed in claim 4, wherein: the shortest distance between the first air bags (14) on the two sides of the groove (10) is smaller than the transverse thickness of the horizontal plane of the sand shooting assembly (13) on which the central axis of the reciprocating screw rod (12) is located, and the centers of the hot air spray heads (16) arranged on the second air bags (15) arranged on the two sides of the groove (10) are not located on the end face of the axle housing iron-type body (3).

6. The iron mold uniform sand coating device for the casting of the automobile axle housing as claimed in claim 4, wherein: one side of the first air bag (14) is in a winding shape, and the first air bag (14) and the second air bag (15) are communicated with each other.