Forming device for front end cover of aluminum alloy motor shell

Abstract

The utility model relates to the technical field of motor casing forming, and discloses an aluminum alloy motor casing front end cover forming device which comprises a sand box. By arranging a moving plate, a third sand leakage through hole, a second sand leakage through hole and a bearing plate, the moving plate can be driven to move through a hydraulic push rod after a casting is formed, so that the inner space of the third sand leakage through hole communicates with the inner space of the second sand leakage through hole; at the moment, dry sand in the sand box enters a second sand leakage through hole through gravity and enters a sand receiving box through a moving plate, at the moment, a sliding block drives a second spring to move, the second spring drives a fixed bearing plate to move, and a casting is lifted to one side of the top of the sand box from the interior of the sand box; the casting and dry sand do not need to be poured out of the sand box, residual dry sand on the surface of the casting placed on the top of the bearing plate can be shaken off through vibration of the vibration motor, manual cleaning is not needed, the dry sand can be poured into the sand box again through the sand receiving box, manual shoveling is not needed, the process is relatively time-saving and labor-saving, and use is relatively convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of motor shell forming, in particular to a front end cover forming device for an aluminum alloy motor shell. Background Art

[0002] A motor is an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. It is divided into electric motors (symbol M) and generators (symbol G). According to the type of working power supply, it can be divided into DC motors and AC motors. Permanent magnet DC motors are composed of stator poles, rotors, brushes, and housings. The stator poles are made of permanent magnets (permanent magnetic steel), such as ferrite, aluminum nickel cobalt, and neodymium iron boron. According to its structural form, it can be divided into several types, such as cylindrical and tile types. Most of the motors used in recorders are cylindrical magnets, while most of the motors used in power tools and automotive electrical appliances use special block magnets.

[0003] At present, some existing aluminum alloy motor housing front end covers are cast using the lost foam process. During casting, a foam model with a similar size and shape to the casting needs to be bonded together to form a model cluster, which is coated with refractory coating and dried, and then buried in dry quartz sand for vibration molding. The model is poured under negative pressure to gasify the model, and liquid metal occupies the position of the model. After solidification and cooling, a new casting method is formed to form a casting. However, after the casting is formed, the sand box needs to be tilted to pour out the dry sand and the casting together, and then the casting is taken out of the dry sand and cleaned. After taking it out, the dry sand is shoveled into the sand box for reuse. The process is relatively time-consuming and labor-intensive, and relatively inconvenient to use. For this reason, we propose a front end cover forming device for an aluminum alloy motor housing to solve or improve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a front end cover forming device for an aluminum alloy motor housing, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solution: it includes a sand box, the inner surface of the sand box is provided with a slide groove, a vibration motor is fixed to the bottom of the sand box, a supporting foot is fixed to the bottom of the sand box, a slider is slidably installed inside the slide groove provided on the inner surface of the sand box, a second spring is fixed to the top of the slider, a bearing plate is fixed to the top of the second spring, a first sand leakage through hole is provided at the top of the bearing plate, and a threaded rod is rotatably installed inside the slide groove provided on the inner surface of the sand box through a bearing.

[0006] Furthermore, a driving motor is fixed inside the sand box, and the top end of the output shaft of the driving motor is fixed to the bottom end of the threaded rod.

[0007] Furthermore, a slot is provided at the bottom of the sand box, a movable plate is inserted into the slot, a hydraulic push rod is fixed to the inner surface of the slot, and an output shaft of the hydraulic push rod is fixed to the surface of the movable plate.

[0008] Furthermore, a second sand leakage through hole is opened at the bottom of the sand box, and a plurality of second sand leakage through holes are opened at the bottom of the sand box. A third sand leakage through hole is opened inside the movable plate, and a plurality of third sand leakage through holes are opened inside the movable plate.

[0009] Furthermore, a sleeve is inserted into one side of the bottom of the supporting foot, a first spring is fixed between the sleeve and the supporting foot, and the first spring is sleeved on the surface of one end of the bottom of the supporting foot.

[0010] Furthermore, a sand receiving box is placed on one side of the bottom of the sand box, and the sand receiving box is located on one side of the bottom of the movable plate.

[0011] Compared with the prior art, the utility model has the following beneficial effects: by arranging the movable plate, the third sand leakage through hole, the second sand leakage through hole and the supporting plate, the movable plate can be driven to move by the hydraulic push rod after the casting is formed so that the internal space of the third sand leakage through hole is connected with the internal space of the second sand leakage through hole. At this time, the dry sand inside the sand box will enter the interior of the second sand leakage through hole through gravity and enter the interior of the sand receiving box through the movable plate. At this time, the slider will drive the second spring to move, so that the second spring drives the fixed supporting plate to move, and the casting is lifted from the interior of the sand box to the top side of the sand box, without pouring the casting and dry sand out of the sand box, and the dry sand remaining on the surface of the casting placed on the top of the supporting plate can be shaken off by the vibration of the vibration motor, without manual cleaning, and the dry sand can be poured back into the interior of the sand box through the sand receiving box without manual shoveling. The process is relatively time-saving and labor-saving, and it is relatively convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the internal structure of the sand box of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the load-bearing plate of the utility model;

[0015] Figure 4 This is a schematic diagram of the structure of the movable plate of the utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the drive motor of the utility model;

[0017] Figure 6 This is a schematic diagram of the internal structure of the casing of the utility model.

[0018] In the figure: 1. Sand box; 2. Sand receiving box; 3. Vibration motor; 4. Support foot; 5. First spring; 6. Casing; 7. Threaded rod; 8. Slider; 10. Loading plate; 11. First sand leakage hole; 12. Second spring; 13. Second sand leakage hole; 14. Moving plate; 15. Third sand leakage hole; 16. Driving motor; 17. Hydraulic push rod;. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-6 , including a sand box 1, the inner surface of the sand box 1 is provided with a slide groove, and the slide groove is provided in several groups inside the sand box 1, a vibration motor 3 fixed to the bottom of the sand box 1, a supporting foot 4 fixed to the bottom of the sand box 1, and the supporting foot 4 is fixed in several groups at the bottom of the sand box 1, and a sleeve 6 is inserted on one side of the bottom of the supporting foot 4, and a first spring 5 is fixed between the sleeve 6 and the supporting foot 4, one end of the first spring 5 is fixed to the bottom of the supporting foot 4, and the other end is fixed to the top of the sleeve 6, and the supporting foot 4 can be supported to a certain extent by the first spring 5 and can make the supporting foot 4 move up and down in a small range, the first spring 5 is sleeved on the surface of one end of the bottom of the supporting foot 4, and the slider 8 is slidably installed in the slide groove provided on the inner surface of the sand box 1, and the slider 8 is inside the sand box 1 There are several groups of sliding installations, the second spring 12 is fixed to the top of the slider 8, and the second spring 12 is fixed to the top of the slider 8 in several groups, the bearing plate 10 is fixed to the top of the second spring 12, and a limiting rod is fixed to the bottom of the bearing plate 10, the limiting rod passes through the interior of the slider 8 and is slidably connected to the slider 8, the limiting rod can limit the position of the bearing plate 10 to prevent the bearing plate 10 from tilting during movement, the second spring 12 is sleeved on the surface of the limiting rod, the first sand leakage through hole 11 is opened at the top of the bearing plate 10, and the first sand leakage through hole 11 is opened in several groups on the top of the bearing plate 10, the threaded rod 7 is rotatably installed in the slide groove opened on the inner surface of the sand box 1 through a bearing, and the number of threaded rods 7 is the same as the number of slide grooves opened inside the sand box 1.

[0021] A driving motor 16 is fixed inside the sand box 1. The top of the output shaft of the driving motor 16 is fixed to the bottom of the threaded rod 7. The driving motor 16 can drive the threaded rod 7 fixed at the top of the output shaft to rotate. The threaded rod 7 passes through the inside of the slider 8 and is threadedly connected to the slider 8. When the threaded rod 7 rotates, it can drive the threaded slider 8 to move. When the slider 8 moves, it will drive the fixed second spring 12 to move. When the second spring 12 moves, it will drive the fixed bearing plate 10 to move. A slot is provided at the bottom of the sand box 1. A moving plate 14 is inserted into the slot. A hydraulic push rod 17 is fixed to the inner surface of the slot. The output shaft of the hydraulic push rod 17 is fixed to the surface of the moving plate 14. The hydraulic push rod 17 It can drive the movable plate 14 fixed on the top of the output shaft to move, a sand receiving box 2 is placed on one side of the bottom of the sand box 1, the sand receiving box 2 is located on one side of the bottom of the movable plate 14, a lifting ring is fixed on the top of the sand receiving box 2, and the lifting ring can be conveniently connected to the sand box 2 for moving using a lifting device, a second sand leakage through hole 13 is opened at the bottom of the sand box 1, and several groups of the second sand leakage through holes 13 are opened at the bottom of the sand box 1, a third sand leakage through hole 15 is opened inside the movable plate 14, and several groups of the third sand leakage through holes 15 are opened inside the movable plate 14, when the movable plate 14 moves, the third sand leakage through hole 15 will be driven to move, so that the position of the third sand leakage through hole 15 coincides with the position of the second sand leakage through hole 13.

[0022] Working principle: when casting is needed, the mold is placed on the top of the supporting plate 10 and dry sand is introduced into the sand box 1. At this time, the vibration motor 3 will drive the sand box 1 to vibrate, so that the iron sand inside the sand box 1 is reduced or eliminated. At this time, the technical melt can be injected or introduced into the mold to complete the casting of the front end cover of the aluminum alloy motor housing. When the casting is completed, the hydraulic push rod 17 will drive the moving plate 14 to move, so that the moving plate 14 drives the third sand leakage through hole 15 to move. When the third sand leakage through hole 15 moves to the position where it coincides with the second sand leakage through hole 13, the dry sand inside the sand box 1 will pass through the second sand leakage through hole 13 and the moving plate 14 and fall into the sand receiving box 2. The vibration motor 3 drives the sand box 1 to vibrate, so that the sand box 1 can be connected with the threaded rod 7 and the slider 8 through the threaded rod 7 and the slider 8. The second spring 12 drives the supporting plate 10 to vibrate, and shakes the dry sand off the surface of the casting placed on the top of the supporting plate 10. After the casting is vibrated and cleaned, the threaded rod 7 is driven to rotate by the driving motor 16, so that the threaded rod 7 drives the slider 8 to move. The slider 8 drives the supporting plate 10 to move through the second spring 12, and lifts the casting from the inside of the sand box 1 to the top side of the sand box 1, which is convenient for employees to take it and also convenient for employees to place the mold on the top of the supporting plate 10. There is no need to pour the casting and dry sand out of the inside of the sand box 1, and the dry sand remaining on the surface of the supporting plate 10 can be shaken off by the vibration of the vibration motor 3, without manual cleaning, and the dry sand can be poured back into the sand box 1 through the sand receiving box 2 without manual shoveling. The process is relatively time-saving and labor-saving, and it is relatively convenient to use.

[0023] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A front end cover forming device for an aluminum alloy motor housing, characterized in that: It comprises a sand box (1), the inner surface of the sand box (1) is provided with a slide groove, a vibration motor (3) fixed to the bottom of the sand box (1), and a support foot (4) fixed to the bottom of the sand box (1); A slider (8), the slider (8) is slidably mounted inside a slide groove provided on the inner surface of the sand box (1); A second spring (12), the second spring (12) being fixed to the top of the slider (8); A bearing plate (10), the bearing plate (10) being fixed on the top of the second spring (12); A first sand leakage through hole (11), the first sand leakage through hole (11) being opened on the top of the carrying plate (10); The threaded rod (7) is rotatably mounted in a slide groove provided on the inner surface of the sand box (1) via a bearing.

2. The aluminum alloy motor housing front end cover forming device according to claim 1, characterized in that: A driving motor (16) is fixed inside the sand box (1), and the top end of the output shaft of the driving motor (16) is fixed to the bottom of the threaded rod (7).

3. The aluminum alloy motor housing front end cover forming device according to claim 1, characterized in that: The bottom of the sand box (1) is provided with a slot, a movable plate (14) is inserted into the slot, a hydraulic push rod (17) is fixed to the inner surface of the slot, and an output shaft of the hydraulic push rod (17) is fixed to the surface of the movable plate (14).

4. The aluminum alloy motor housing front end cover forming device according to claim 3, characterized in that: A second sand leakage through hole (13) is provided at the bottom of the sand box (1), and a plurality of groups of the second sand leakage through holes (13) are provided at the bottom of the sand box (1). A third sand leakage through hole (15) is provided inside the movable plate (14), and a plurality of groups of the third sand leakage through holes (15) are provided inside the movable plate (14).

5. The aluminum alloy motor housing front end cover forming device according to claim 1, characterized in that: A sleeve (6) is inserted into one side of the bottom of the support leg (4), a first spring (5) is fixed between the sleeve (6) and the support leg (4), and the first spring (5) is sleeved on the surface of one end of the bottom of the support leg (4).

6. The aluminum alloy motor housing front end cover forming device according to claim 3, characterized in that: A sand receiving box (2) is placed on one side of the bottom of the sand box (1), and the sand receiving box (2) is located on one side of the bottom of the movable plate (14).

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