CN212921021U

CN212921021U - Case shell for rear axle and casting mold thereof

Info

Publication number: CN212921021U
Application number: CN202021383463.8U
Authority: CN
Inventors: 王明; 邹志威
Original assignee: Jiashan North Machinery Co ltd
Current assignee: Jiashan North Machinery Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-09
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a case shell and casting mould for rear axle, its technical scheme main points are the installation component that sets up including the first axle shell that the level set up, the first axle shell outside of cooperation and set up in the lid seat at first axle shell both ends, it has first semi-axis cavity, transmission cavity, shaft coupling cavity and second semi-axis cavity to communicate in proper order in the first axle shell, the axle shell outside is equipped with the second axle shell that communicates transmission cavity perpendicularly, first axle shell, second axle shell, installation component and lid seat are the integrated into one piece structure. The utility model provides a bear the weight of intensity among the current problem and firmly inseparable relatively poor.

Description

Case shell for rear axle and casting mold thereof

Technical Field

The utility model relates to the technical field of agricultural machinery, the concrete field is a case shell and casting mould for rear axle.

Background

The axle is a shaft for transmitting power between a main speed reducer (differential) and drive wheels, and is mostly solid. The inner end of the differential is connected with a half axle gear of the differential, and the outer end of the differential is connected with a driving wheel hub. At present, the axle is divided into a front axle and a rear axle, and a box shell is arranged at the outer end of the rear axle when the rear axle is installed, so that the axle is installed and fixed and has a protection effect. At present, the rear axle box shells are mostly connected in a welding mode, and the bearing strength and firmness are required to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve among the current problem bearing strength with firmly inseparable relatively poor, provide a case shell and casting mould for rear axle.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a case shell for rear axle, includes the first axle housing that the level set up, the installation component that the cooperation first axle housing outside set up and set up in the lid seat at first axle housing both ends, first semi-axis cavity, transmission cavity, shaft coupling cavity and second semi-axis cavity have been communicate in proper order in the first axle housing, the axle housing outside is equipped with the second axle housing that communicates transmission cavity perpendicularly, first axle housing, second axle housing, installation component and lid seat are the integrated into one piece structure.

The utility model discloses further set up to, arbitrary the lid seat is equipped with the first through-hole of the first axle housing of intercommunication.

The utility model discloses further set up to, arbitrary the lid seat is equipped with a plurality of second through-holes around the opening.

The utility model discloses further set up to, the installation component is including setting up respectively in the first swing arm installed part and the second swing arm installed part of second axle shell both sides.

The utility model discloses further set up to, first swing arm installed part and second swing arm installed part all include around connecting in the first axle shell outside the connecting seat with set up respectively in the mounting hole at connecting seat both ends, arbitrary the same direction setting of mounting hole and second axle shell.

The utility model discloses further set up to, primary shaft shell cooperation second semi-axis cavity is equipped with the king pin groove.

The utility model discloses further set up to, first swing arm installed part with correspond and be equipped with the third axle housing between the lid seat.

The utility model provides a casting mould for case shell of rear axle, includes the mould sand box, the mould sand box includes box and lower box, the lower box is including riser seat, horizontal runner, runner seat, ingate and the first die cavity that communicates in proper order, go up the box including the vertical gate of cooperation runner seat, the riser of cooperation riser seat and the second die cavity of cooperation first die cavity.

The utility model discloses further set up to, first die cavity and second die cavity all are equipped with loam core head cavity.

The utility model discloses further set up to: the lower box body is provided with an air needle.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses well case shell has replaced the welded mode through integrated into one piece's mode, has improved bearing strength, has also ensured the firm inseparable of installation.

The utility model discloses a required sand box model is made to the die cavity, and mould simple structure goes up the box and cooperates perfectly with the die cavity in the lower box, and the box qualification rate of making is high, is fit for large-scale production, and its application prospect is very wide consequently.

The utility model provides a liquid casting material can reduce the volume in liquid casting material flow through clearance from the process of sprue inflow die cavity to the volume that has the waste material on the foundry goods blank after the shaping has been reduced, effectively reduced the wasting of resources.

Drawings

FIG. 1: is a schematic view of the middle box body of the utility model;

FIG. 2: is a top view schematic diagram of the middle box body of the utility model;

FIG. 3: is a cross-sectional view at a in fig. 1 of the present invention;

FIG. 4: is a left-view schematic diagram of the middle box body of the utility model;

FIG. 5: is a right-view schematic diagram of the middle box body of the utility model;

FIG. 6: is a cross-sectional view at F in fig. 1 of the present invention;

FIG. 7: is a cross-sectional view at D in fig. 1 of the present invention;

FIG. 8: is a schematic structural diagram of an upper box body in the drawing of the utility model;

FIG. 9: is a structural schematic diagram of the lower box body in the figure of the utility model;

in the figure: 1. a first shaft housing; 2. mounting the component; 3. a cover seat; 4. a first half shaft cavity; 5. a transmission cavity; 6. a coupling cavity; 7. a second half shaft cavity; 8. a second shaft housing; 9. a first through hole; 10. a second through hole; 11. a first swing arm mount; 12. a second swing arm mount; 13. a connecting seat; 14. mounting holes; 15. a king pin slot; 16. a third shaft housing; 17. an upper box body; 18. a lower box body; 19. a riser seat; 20. a side gate; 21. a sprue seat; 22. an inner gate; 23. a first cavity; 24. a second cavity; 25. erecting a pouring gate; 26. a riser; 27. a loam core head cavity; 28. air needle.

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 to 7, the present invention provides a technical solution: the utility model provides a case shell for rear wheel axle, includes the first axle housing 1 that the level set up, the installation component 2 that the first axle housing 1 outside of cooperation set up and set up in the lid seat 3 at first axle housing 1 both ends, first axle housing 1 is interior to communicate in proper order has first semi-axis cavity 4, transmission cavity 5, shaft coupling cavity 6 and second semi-axis cavity 7, the axle housing outside is equipped with the second axle housing 8 of intercommunication transmission cavity 5 perpendicularly, first axle housing 1, second axle housing 8, installation component 2 and lid seat 3 are the integrated into one piece structure.

Any one of the cover seats 3 is provided with a first through hole 9 communicated with the first shaft shell 1.

Any one of the cover bases 3 is provided with a plurality of second through holes 10 around the opening.

The mounting assembly 2 comprises a first swing arm mount 11 and a second swing arm mount 12 arranged on either side of the second axle housing 8.

The first swing arm mounting piece 11 and the second swing arm mounting piece 12 both comprise a connecting seat 13 connected to the outer side of the first shaft shell 1 and mounting holes 14 respectively arranged at two ends of the connecting seat 13, and the mounting holes 14 and the second shaft shell 8 are arranged in the same direction.

The first shaft shell 1 is provided with a main pin slot 15 matched with the second half shaft cavity 7.

A third shaft shell 16 is arranged between the first swing arm mounting piece 11 and the corresponding cover seat 3.

The utility model discloses in, penetrate the case shell with the rear axle level in, set up the transmission mounting in the linkage cavity, just can fix the rear axle activity in the case shell, and set up the drive arrangement of cooperation rear axle in transmission cavity 5, connect outside motor and drive arrangement through second axle shell 8, drive arrangement through outside motor to realize the work of rear axle.

In the utility model, the first through hole 9 is arranged in the steering knuckle inside the box body for matching; the second through holes 10 are fixedly connected with the cover body; first swing arm installed part 11 cooperation second swing arm installed part 12 is used for installing the swing arm axle, sets up installation component 2 on first axle housing 1 through integrative mode, has improved the steadiness of connecting. One end of the connecting seat 13 in the same direction as the third shaft shell 16 is arranged in a convex position, so that the balance is ensured, and the stability in the working process is improved.

Referring to fig. 8 to 9, the casting mold for the housing of the rear axle comprises a mold flask, the mold flask comprises an upper box body 17 and a lower box body 18, the lower box body 18 comprises a riser 26 seat 19, a horizontal sprue 20, a sprue seat 21, an inner sprue 22 and a first cavity 23 which are communicated in sequence, and the upper box body 17 comprises a vertical sprue 25 matched with the sprue seat 21, a riser 26 matched with the riser 26 seat 19 and a second cavity 24 matched with the first cavity 23.

The first cavity 23 and the second cavity 24 are both provided with a loam core head cavity 27.

The lower box 18 is provided with an air needle 28.

The utility model discloses in, liquid casting material gets into runner 20 through the sprue earlier, flow into rising head 26 cavity through runner 20 again, flow into the cavity that first die cavity 23 and second die cavity 24 cooperation set up at last, and be full of whole cavity, thereby form the casting body of the case shell of rear axle, the mode through the transition drainage makes liquid casting material be full of the die cavity, replenish the cavity in 26 cavities through the rising head, the quality of foundry goods has been improved, the work load of follow-up cutting and polishing has been reduced.

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

Claims

1. A housing for a rear axle, comprising: including installation component (2) that first axle housing (1), the first axle housing (1) outside of cooperation set up of level and set up in lid seat (3) at first axle housing (1) both ends, communicate in proper order in first axle housing (1) and have first semi-axis cavity (4), transmission cavity (5), shaft coupling cavity (6) and second semi-axis cavity (7), the second axle housing (8) that communicates transmission cavity (5) are equipped with perpendicularly in first axle housing (1) outside, first axle housing (1), second axle housing (8), installation component (2) and lid seat (3) are the integrated into one piece structure.

2. A housing for a rear axle as defined in claim 1, wherein: any one of the cover seats (3) is provided with a first through hole (9) communicated with the first shaft shell (1).

3. A housing for a rear axle as defined in claim 1, wherein: and a plurality of second through holes (10) are formed in the cover seat (3) around the opening.

4. A housing for a rear axle as defined in claim 1, wherein: the mounting assembly (2) comprises a first swing arm mounting piece (11) and a second swing arm mounting piece (12) which are arranged on two sides of the second shaft shell (8) respectively.

5. A housing for a rear axle as claimed in claim 4, wherein: first swing arm installed part (11) and second swing arm installed part (12) all include around connecting in connecting seat (13) in the first axle housing (1) outside and set up respectively in mounting hole (14) at connecting seat (13) both ends, arbitrary mounting hole (14) and the same direction setting of second axle housing (8).

6. A housing for a rear axle as defined in claim 1, wherein: the first shaft shell (1) is matched with the second half shaft cavity (7) and is provided with a main pin groove (15).

7. A housing for a rear axle as claimed in claim 4, wherein: and a third shaft shell (16) is arranged between the first swing arm mounting piece (11) and the corresponding cover seat (3).

8. A casting mold for the cabinet as defined in any one of claims 1 to 7, wherein: the mold comprises a mold sand box, the mold sand box comprises an upper box body (17) and a lower box body (18), the lower box body (18) comprises a riser seat (19), a sprue seat (21), an inner sprue (22) and a first cavity (23) which are sequentially communicated, and the upper box body (17) comprises a vertical sprue (25) and a horizontal sprue (20) which are matched with the sprue seat (21), a riser (26) which is matched with the riser seat (19) and a second cavity (24) which is matched with the first cavity (23).

9. The casting mold according to claim 8, wherein: the first cavity (23) and the second cavity (24) are both provided with a loam core head cavity (27).

10. The casting mold according to claim 8, wherein: the lower box body (18) is provided with an air needle (28).