Positioning fixture for motor production and assembly

Abstract

The utility model discloses a positioning fixture for motor production and assembly, which comprises a shell, a screw rod is rotatably connected in the shell, a threaded cylinder is mounted on the outer side of the screw rod, limiting plates are uniformly mounted on the outer side of the threaded cylinder, and limiting grooves are formed in the limiting plates; a plurality of through grooves are evenly formed in the shell, connecting plates are evenly installed on the inner side wall of the shell, connecting rods are rotationally connected to the connecting plates, a lead screw is driven by a motor to rotate, then a plurality of clamping plates expand outwards, and therefore the motor shell is clamped and fixed in the motor shell. According to the motor fixing device, the situation that the outer side of a motor shell is scratched due to a traditional fixing mode is avoided, meanwhile, the device is not affected by the use environment, the motor can be clamped only by being fixed to a certain position, the overall use efficiency is improved, and the overall use range is widened.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor production technical field, concretely is a kind of positioning fixture for motor production and assembly. BACKGROUND

[0002] With the continuous development of mechanical industry, the use of motor is more and more widely, gradually replace manual operation of various engineering.

[0003] In the production and processing of motor, the shell of motor often needs to be polished, drilled or installed on the motor shell, and in these processing, the motor shell needs to be clamped and fixed, but the traditional fixing method is clamped on the outside of the shell, which can easily cause scratches on the outside of the motor, and sometimes the clamps can affect the processing range.

[0004] Chinese authorized patent: CN201822178452.5 discloses an inner expansion clamp for producing motor shell, which relates to the field of metal processing, and comprises a clamp body, the clamp body includes a clamping part and a positioning part for fixing the workpiece, the inside of the positioning part is provided with a positioning assembly, the side wall of the positioning part is provided with an abutting plate for positioning the workpiece, the abutting plate is connected to the positioning assembly, and the positioning assembly includes a sliding rod connected to the inside of the positioning part and having a square cross section.

[0005] Although it can clamp the motor shell on the inside of the motor, it needs to use the tailstock center of the machine tool to apply pressure to the end of the sliding rod, and drive the abutting plate to expand radially through the positioning assembly, so as to position and fix the workpiece. This method can only be used on the machine tool, but the motor shell cannot be on the machine tool all the time during production, and often needs to be transferred for different processes, so its use range is small and cannot meet the needs of motor production.

[0006] Therefore, a positioning clamp for motor production and assembly is proposed. SUMMARY

[0007] The utility model aims at providing a positioning clamp for motor production and assembly to solve the problems in the above background technology.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a positioning clamp for motor production and assembly, comprising a shell, a screw rod is rotatably connected inside the shell, a threaded cylinder is installed on the outside of the screw rod, a limiting plate is uniformly installed on the outside of the threaded cylinder, and a limiting groove is formed in the limiting plate.

[0009] The plurality of through grooves are evenly arranged on the shell, and the inner side wall of the shell is evenly provided with a connecting plate, the connecting plate is rotationally connected with a connecting rod, one end of the connecting rod is slidably connected with the inner part of a limiting groove, and the other end of the connecting rod is hingedly connected with a clamping plate.

[0010] Preferably, a baffle is arranged on the outer side of the shell.

[0011] Preferably, an infrared sensor is arranged on the outer surface of the shell.

[0012] Preferably, a motor is arranged on one end of the shell to drive the rotation of a lead screw.

[0013] Preferably, the clamping plate is arc-shaped, and the inner diameter of the clamping plate is the same as the outer diameter of the shell.

[0014] Preferably, a rubber pad is arranged on the outer side of the clamping plate.

[0015] Preferably, the connecting plate is arranged on both sides of the through groove.

[0016] Preferably, a column is arranged on both sides of one end of the connecting rod, and the column is slidably connected with the inner part of the limiting groove.

[0017] Compared with the prior art, the motor-driven lead screw is rotated, and then the plurality of clamping plates are expanded outward, so that the motor housing is clamped and fixed inside the motor housing, avoiding the scratch on the outer side of the motor housing caused by the traditional fixing mode, and the device can be fixed in a certain place to clamp the motor, improving the overall use efficiency and range. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic view of the utility model;

[0019] Figure 2 It is a structural sectional view of the utility model.

[0020] In the figure: 1, shell; 2, baffle; 3, motor; 4, infrared sensor; 5, through groove; 6, clamping plate; 7, connecting plate; 8, limiting groove; 9, connecting rod; 10, threaded cylinder; 11, limiting plate; 12, lead screw; 13, column. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model.

[0022] EMBODIMENT

[0023] Please refer to Figures 1-2The utility model provides a technical scheme: a positioning fixture for motor production and assembly, including casing 1, the inside rotation of casing 1 is connected with screw rod 12, the outside installation of screw rod 12 has screw drum 10, the outside even installation of screw drum 10 has limit stop 11, and the limit stop 11 is opened with the limit groove 8 on it;

[0024] The casing 1 is evenly provided with a plurality of through grooves 5, and the inner side wall of the casing 1 is evenly provided with a connecting plate 7, the connecting plate 7 is rotatably connected with a connecting rod 9, one end of the connecting rod 9 is slidably connected to the inside of the limit groove 8, and the other end of the connecting rod 9 is hingedly connected with a clamping plate 6.

[0025] As Figure 1 The outer side of the casing 1 is provided with a baffle 2; through the above setting, the position of the placed motor shell can be limited, so as to facilitate the fixing work.

[0026] As Figure 1 The outer surface of the casing 1 is provided with an infrared sensor 4 for sensing the motor shell; through the above setting, when the infrared sensor 4 senses the motor shell, the motor 3 can be controlled to run through the controller, so as to clamp and fix the motor shell.

[0027] As Figure 1 And Figure 2 The end of the casing 1 is provided with a motor 3 for driving the rotation of the screw rod 12; through the above setting, the motor 3 can more conveniently and quickly drive the rotation of the screw rod 12, so that the equipment can normally operate, and the device can be used anywhere without being limited by the use environment.

[0028] As Figure 1 And Figure 2 The clamping plate 6 is arc-shaped, and the inner diameter of the clamping plate 6 is the same as the outer diameter of the casing 1; through the above setting, when not in use, the clamping plate 6 can be tightly attached to the outside of the casing 1, so that the dust entering the inside of the casing 1 is avoided.

[0029] As Figure 1 The outer side of the clamping plate 6 is provided with a rubber pad; through the above setting, a certain buffering effect can be achieved, the inner wall of the motor shell is protected, and the scratching condition is avoided.

[0030] As Figure 2 The connecting plate 7 is located on both sides of the through groove 5; through the above setting, the position of the connecting rod 9 can be more conveniently limited, so that it can be more conveniently and quickly rotated.

[0031] As Figure 2As shown: one end of the connecting rod 9 is installed with the column body 13 on both sides, the column body 13 is slidably connected to the inside of the limiting groove 8; through the above setting, through the cooperation of the column body 13 and the limiting groove 8, when the connecting rod 9 rotates, the situation that the connecting rod 9 is stuck is avoided, so that the normal operation of the device is guaranteed.

[0032] Working principle: first, the shell of the motor is sleeved on the outside of the shell 1, when the motor shell triggers the infrared sensor 4, the motor 3 is driven to run through the controller, so that the lead screw 12 rotates, the rotation of the lead screw 12 can make the threaded barrel 10 move, the connecting rod 9 can rotate around the connecting plate 7 through the limiting plate 11 and the limiting groove 8 on the threaded barrel 10, so that the clamping plate 6 extends outward, and then the clamping plate 6 and the inner wall of the motor shell are in contact with each other, the clamping and fixing work of the motor shell is completed.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning fixture for assembling an electric machine, comprising a housing (1), characterized in that: The inside of the shell (1) is rotationally connected with a lead screw (12), the outside of the lead screw (12) is mounted with a threaded cylinder (10), the outside of the threaded cylinder (10) is uniformly mounted with a limiting plate (11), the limiting plate (11) is provided with a limiting slot (8). The shell (1) is uniformly provided with a plurality of through grooves (5), the inside wall of the shell (1) is uniformly mounted with a connecting plate (7), the connecting plate (7) is rotationally connected with a connecting rod (9), one end of the connecting rod (9) is slidingly connected in the inside of the limiting slot (8), the other end of the connecting rod (9) is hingedly connected with a clamping plate (6).

2. A positioning fixture for assembling an electrical machine according to claim 1, characterized in that: The outside of the shell (1) is mounted with a baffle (2).

3. The positioning fixture for assembling an electric machine according to claim 1, characterized in that: The outside of the shell (1) is mounted with an infrared sensor (4) of an induction motor shell.

4. The positioning fixture for assembling an electric machine according to claim 1, characterized in that: One end of the shell (1) is mounted with a motor (3) for driving the rotation of the lead screw (12).

5. The positioning fixture for assembling an electric machine according to claim 1, characterized in that: The clamping plate (6) is arc-shaped, the inner diameter of the clamping plate (6) is the same as the outer diameter of the shell (1).

6. A positioning fixture for assembling an electrical machine according to claim 5, characterized in that: The outside of the clamping plate (6) is mounted with a rubber pad.

7. The positioning fixture for assembling an electrical machine according to claim 1, characterized in that: The connecting plate (7) is located on both sides of the through groove (5).

8. The positioning fixture for assembling an electrical machine according to claim 1, characterized in that: One end of the connecting rod (9) is mounted with a column (13) on both sides, the column (13) is slidingly connected in the inside of the limiting slot (8).

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