Scattered motor vibration shaping device

Abstract

The utility model discloses a bulk motor vibration shaping device which comprises a bottom plate, a shaping tool seat is arranged on the bottom plate, a core shaft is arranged on the shaping tool seat, the core shaft is vertically arranged, and a guide shaft is further arranged on the core shaft. The bottom plate is further provided with a vibration element acting on the shaping tool base, and the vibration element is used for applying lateral vibration force. According to the scattered piece motor vibration shaping device, a certain lateral vibration force is applied to the shaping tool seat, so that compressor motor stator scattered pieces placed on the shaping tool seat can obtain the vibration force, the stator scattered pieces slide downwards in the direction of the mandrel of the shaping tool under the action of vibration energy, and the stator scattered pieces are shaped. And the mounting surface of the stator scattered sheet is in uniform contact with the supporting surface of the tool, so that the precision of an inner hole of the stator can be improved, and the assembly precision and the production efficiency of a scattered sheet motor are improved by more than 50%.

Description

Technical Field

[0001] The utility model relates to the technical field of motor assembly, in particular to a vibration shaping device for a loose-piece motor. Background Art

[0002] In traditional technology, the stator core of the motor is made by clips, self-stack riveting, welding and other process methods. The punching sheets of the stator core are relatively fixedly connected to each other by physical means to form a whole. The accuracy of the inner hole size and its verticality relative to the mounting surface are relatively stable. When the motor with this structure is working, it will generate large eddy current losses, affecting the efficiency of the motor. In the current scattered-piece motor process technology, the stator core punching sheets of the motor are scattered. The punching sheets of the stator core are not fixedly connected to each other, and there is a blueing layer between the punching sheets for insulation. When the motor is working, the eddy current generated is small.

[0003] However, since the stator punching sheets of the loose-piece motor process are not relatively fixed to each other, it is easy for the stator punching sheets to be misaligned during the motor stator production, material flow and transportation process, which affects the dimensional accuracy of the stator inner hole and the verticality relative to the installation surface, and ultimately affects the quality of the assembly process and production efficiency. Summary of the invention

[0004] The utility model aims to provide a vibration shaping device for a loose-piece motor in view of the problems existing in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A loose-piece motor vibration shaping device comprises a base plate, a shaping tool seat is provided on the base plate, a core shaft is provided on the shaping tool seat, the core shaft is arranged vertically, and a guide shaft is also provided on the core shaft; a vibration element acting on the shaping tool seat is also provided on the base plate, and the vibration element is used to apply lateral vibration force.

[0007] The vibration shaping device for the loose-piece motor applies a certain lateral vibration force to the shaping tool seat, so that the stator loose pieces of the compressor motor placed thereon can also obtain vibration force. Under the action of the vibration energy, the stator loose pieces slide downward along the core axis direction of the shaping tool seat, so that the mounting surface of the stator loose pieces is in uniform contact with the supporting surface of the tool seat, thereby improving the accuracy of the stator inner hole and improving the assembly accuracy and production efficiency of the loose-piece motor by more than 50%.

[0008] The vibration element is used as a vibration source to provide lateral vibration, that is, reciprocating vibration force in the horizontal direction, and excessive vertical vibration is not desired. The arrangement of the mandrel allows the stator segments to be sleeved thereon for vibration shaping; the guide shaft is arranged above the mandrel to facilitate the insertion of the stator segments.

[0009] When the stator of the loose-piece motor is put into the assembly workshop, the stator loose pieces are put on the core shaft of the shaping device, and the vibrating element is used to apply lateral vibration to the shaping tooling to level the punching pieces of the stator (iron core), so that the size accuracy of the inner hole of the stator core is close to the punching accuracy, and the verticality of the inner hole of the stator relative to the mounting surface meets the design requirements.

[0010] Furthermore, the shaping tooling seat has a cylindrical connecting sleeve, a retaining ring is arranged inside the connecting sleeve, the core shaft is inserted into the connecting sleeve and connected to the retaining ring by screws, so that the core shaft can be conveniently connected and fixed, and the connecting sleeve can maintain the stability and verticality of the core shaft so that it will not deviate.

[0011] Furthermore, the lower portion of the core shaft is a stepped shaft, and the inner circumference of the connecting sleeve is provided with a step that matches the stepped shaft, which can form better support in the connecting sleeve.

[0012] Furthermore, a connecting column is provided at the upper end of the core shaft, and the guide shaft is sleeved on the connecting column and fixed by an axial screw, which is convenient for connection and disassembly.

[0013] Furthermore, the verticality of the core shaft relative to the horizontal supporting surface is not greater than 0.05.

[0014] Furthermore, the outer diameter of the core shaft is 0.05-0.1 mm smaller than the inner hole diameter of the stator segment to be shaped.

[0015] Furthermore, the vibration element is a linear vibrator, the linear vibrator is mounted on the base plate, and the shaping tooling seat is mounted on the linear vibrator.

[0016] Alternatively, the vibration element is an impact hammer, the impact hammer is mounted on an impact hammer mounting seat through an impact hammer mounting block, the impact hammer mounting seat is mounted on the bottom plate, and the impact hammer is facing the side wall of the shaping tooling seat.

[0017] Furthermore, a plurality of spring sheets are connected to the lower side of the shaping tooling seat, and the spring sheets are connected to a connecting plate, and the connecting plate is mounted on the bottom plate.

[0018] Furthermore, the maximum load of the vibration element is not less than 5Kg, the vibration frequency is 30-50HZ, the vibration voltage is 150-260V, and each vibration time is 3-5 seconds.

[0019] Compared with the prior art, the utility model has the following beneficial effects: 1. The vibration shaping device for the scattered-piece motor applies a certain lateral vibration force to the shaping tool seat, so that the stator scattered pieces of the compressor motor placed thereon can also obtain vibration force. Under the action of the vibration energy, the stator scattered pieces slide downward along the core axis direction of the shaping tool seat, so that the mounting surface of the stator scattered pieces and the supporting surface of the tool seat are in uniform contact, thereby improving the accuracy of the inner hole of the stator, and improving the assembly accuracy and production efficiency of the scattered-piece motor by more than 50%; 2. The vibration element is used as a vibration source, and its function It provides lateral vibration, that is, reciprocating vibration force in the horizontal direction; the setting of the core shaft allows the stator fragments to be sleeved on it for vibration shaping; the guide shaft is arranged above the core shaft to facilitate the insertion of the stator fragments; 3. When the scattered-fragment motor stator is put into the assembly workshop, the stator fragments are sleeved on the core shaft of the shaping device, and the vibration element is used to apply lateral vibration to the shaping tooling to level the stator (iron core) punching sheets, so that the size accuracy of the stator core inner hole is close to the punching sheet accuracy, and the verticality of the stator inner hole relative to the mounting surface meets the design requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a vibration shaping device for a loose-piece motor according to the utility model;

[0021] Figure 2 This is a schematic diagram of the overall structure of another loose-piece motor vibration shaping device of the utility model;

[0022] In the figure: 1, bottom plate; 2, shaping tool seat; 201, connecting sleeve; 202, retaining ring; 3, core shaft; 301, connecting column; 4, guide shaft; 5, linear vibrator; 6, impact hammer; 7, impact hammer mounting block; 8, impact hammer mounting seat; 9, spring sheet; 10, connecting plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution 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.

[0024] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as "middle", "upper", "lower", "left", "right", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0025] like Figure 1 Or as shown in 2, a loose-piece motor vibration shaping device comprises a base plate 1, a shaping tool seat 2 is provided on the base plate 1, a core shaft 3 is provided on the shaping tool seat 2, the core shaft 3 is vertically arranged, and a guide shaft 4 is also provided on the core shaft 3; the base plate 1 is also provided with a vibration element acting on the shaping tool seat 2, and the vibration element is used to apply lateral vibration force.

[0026] The vibration shaping device for the loose-piece motor applies a certain lateral vibration force to the shaping tool seat 2, so that the stator loose pieces of the compressor motor placed thereon can also obtain vibration force. Under the action of the vibration energy, the stator loose pieces slide downward along the core axis direction of the shaping tool, so that the mounting surface of the stator loose pieces is in uniform contact with the supporting surface of the tool, thereby improving the accuracy of the stator inner hole and improving the assembly accuracy and production efficiency of the loose-piece motor by more than 50%.

[0027] The vibration element serves as a vibration source, and its function is to provide lateral vibration, that is, reciprocating vibration force in the horizontal direction, and excessive vertical vibration is not desired.

[0028] The arrangement of the core shaft 3 allows the stator segments to be sleeved thereon for vibration shaping; the guide shaft 4 is arranged above the core shaft 3 to facilitate the sleeved insertion of the stator segments.

[0029] When the stator of the loose-piece motor is put into the assembly workshop, the stator loose pieces are put on the core shaft 3 of the shaping device, and the vibrating element is used to apply lateral vibration to the shaping tooling to level the punching sheets of the stator (iron core), so that the size accuracy of the inner hole of the stator core is close to the punching accuracy, and the verticality of the inner hole of the stator relative to the mounting surface meets the design requirements.

[0030] Furthermore, the shaping fixture seat 2 has a cylindrical connecting sleeve 201, a retaining ring 202 is arranged inside the connecting sleeve 201, and the core shaft 3 is inserted into the connecting sleeve 201 and connected to the retaining ring 202 by screws.

[0031] Through these settings, the mandrel 3 can be conveniently connected and fixed, the connecting sleeve 201 can maintain the stability and verticality of the mandrel 3 so that it will not deflect, and the retaining ring 202 can support and connect the mandrel 3. The upper end surface of the connecting sleeve 201 is a supporting surface, which can support the motor stator to be shaped. The connecting sleeve and the shaping fixture seat are both detachably connected, which is convenient for replacing mandrels of different sizes for shaping.

[0032] Furthermore, the lower part of the mandrel 3 is a stepped shaft, and the inner circumference of the connecting sleeve 201 is provided with a step that matches the stepped shaft. The diameter of the part of the mandrel 3 sleeved in the connecting sleeve is gradually reduced, which can form a better support in the connecting sleeve.

[0033] Furthermore, a connecting column 301 is provided at the upper end of the core shaft 3, and the guide shaft 4 is sleeved on the connecting column 301 and fixed by an axial screw, which is convenient for connection and disassembly.

[0034] Furthermore, the verticality of the core shaft 3 relative to the horizontal support surface is about 0.05, that is, the verticality accuracy of the core shaft 3 is relatively high, which is conducive to ensuring the verticality and inner hole accuracy of the motor stator to be shaped.

[0035] Furthermore, the outer diameter of the core shaft 3 is 0.05 to 0.1 mm smaller than the inner hole diameter of the stator segments to be shaped, and the stator segments are not sleeved on the core shaft in an interference fit relationship, but there is a small gap between the two, which is a gap matching, which also allows a certain amount of displacement in the radial direction, thereby achieving vibration shaping.

[0036] Furthermore, the operating parameters of the vibration element are as follows: maximum load not less than 5Kg, vibration frequency 30-50HZ, vibration voltage 150-260V, each vibration time 3-5 seconds. By setting the above performance parameters, the stator of the scattered motor can be effectively shaped.

[0037] In some embodiments, Figure 1 As shown, the vibration element is a linear vibrator 5 , and the linear vibrator 5 is installed on the base plate 1 , and the shaping fixture seat 2 is installed on the linear vibrator 5 .

[0038] The linear vibrator 5 can not only support the shaping fixture 2, but also generate a horizontal reciprocating vibration force to make the shaping fixture 2 above it vibrate synchronously, thereby achieving the purpose of stator segment shaping. The linear vibrator 5 is fixed to the bottom plate 1 by a plurality of bolts, and the shaping fixture 2 is installed on the linear vibrator 5 by screws.

[0039] In other embodiments, Figure 2 As shown, the vibration element is an impact hammer 6, and the impact hammer 6 is mounted on an impact hammer mounting seat 8 through an impact hammer mounting block 7. The impact hammer mounting seat 8 is mounted on the base plate 1, and the impact hammer 6 is facing the side wall of the shaping tooling seat.

[0040] The impact hammer 6 can directly apply vibration force to the side of the shaping fixture 2, so that the shaping fixture 2 vibrates to achieve the shaping of the stator fragments. The impact energy of the impact hammer 6 is 2-5 joules. The impact hammer mounting block 7 can fix the impact hammer to keep it in a horizontal impact state. The impact hammer mounting block 7 can be fixed to the impact hammer mounting seat 8 by screws, and the impact hammer mounting seat can lift the impact hammer to a certain height.

[0041] Furthermore, a plurality of spring sheets 9 are connected to the lower part of the shaping fixture seat 2, and the spring sheets 9 are connected to a connecting plate 10, and the connecting plate 10 is mounted on the bottom plate 1. The spring sheets 9 are spring steel plates, and multiple sheets can be stacked together and connected to the shaping fixture seat and the connecting plate.

[0042] Using the spring sheet 9 to support the shaping tool seat allows the shaping tool seat 2 to follow the vibration when subjected to lateral vibration, rather than being rigidly connected to the base plate. At the same time, the setting of the spring sheet 9 also has a certain vibration reduction effect, preventing the vibration from being transmitted to the connecting plate and base plate below.

[0043] The outer circumference of the connecting sleeve 201 of the shaping fixture seat and the outer circumference of the connecting plate 10 are respectively provided with a plurality of mounting grooves in a one-to-one correspondence, and the upper and lower ends of the spring sheet 9 can be respectively arranged in the mounting grooves and connected and fixed to the shaping fixture seat or the connecting plate by screws.

[0044] Although 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 vibration shaping device for a loose-piece motor, characterized in that: It comprises a bottom plate, on which a shaping tooling seat is arranged, on which a mandrel is arranged vertically, and on which a guide shaft is arranged; a vibration element acting on the shaping tooling seat is also arranged on the bottom plate, and the vibration element is used to apply lateral vibration force.

2. The vibration shaping device for a loose-piece motor according to claim 1, characterized in that: The shaping fixture seat has a cylindrical connecting sleeve, a retaining ring is arranged inside the connecting sleeve, and the core shaft is inserted into the connecting sleeve and connected to the retaining ring through screws.

3. The vibration shaping device for a loose-piece motor according to claim 2, characterized in that: The lower part of the core shaft is a stepped shaft, and the inner circumference of the connecting sleeve is provided with a step that matches the stepped shaft.

4. The vibration shaping device for a loose-piece motor according to claim 1, characterized in that: A connecting column is provided at the upper end of the core shaft, and the guide shaft is sleeved on the connecting column and fixed by an axial screw.

5. The vibration shaping device for a loose-piece motor according to claim 1, characterized in that: The verticality of the core shaft relative to the horizontal supporting surface is not greater than 0.

05.

6. The vibration shaping device for a loose-piece motor according to claim 1, characterized in that: The outer diameter of the core shaft is 0.05-0.1 mm smaller than the inner hole diameter of the stator fragment to be shaped.

7. The vibration shaping device for a loose-piece motor according to claim 1, characterized in that: The vibration element is a linear vibrator, which is mounted on the bottom plate, and the shaping tooling seat is mounted on the linear vibrator.

8. The vibration shaping device for a loose-piece motor according to claim 1, characterized in that: The vibration element is an impact hammer, which is mounted on an impact hammer mounting seat through an impact hammer mounting block, and the impact hammer mounting seat is mounted on the bottom plate. The impact hammer faces the side wall of the shaping tooling seat.

9. The vibration shaping device for a loose-piece motor according to claim 8, characterized in that: A plurality of spring sheets are connected to the lower side of the shaping tooling seat. The spring sheets are connected to a connecting plate, and the connecting plate is mounted on the bottom plate.

10. The vibration shaping device for a loose-piece motor according to claim 1, characterized in that: The maximum load of the vibration element is not less than 5Kg, the vibration frequency is 30-50HZ, the vibration voltage is 150-260V, and each vibration time is 3-5 seconds.

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