Stator slot wedge inserting machine

Abstract

The utility model provides a stator slot wedge inserting machine, which relates to the field of stator slot wedge processing and comprises a stator slot wedge assembling table and a positioning table, the upper end of the stator slot wedge assembling table is connected with the positioning table through a rotating disc, and the upper end face of the stator slot wedge assembling table is connected with a lifting frame through a sliding table. The right side of the lifting frame is movably connected with a supporting vertical plate and a wedge inserting pressing block, the lower end of the supporting vertical plate is in limiting connection with a fixing bottom plate, a pressure sensor is installed in the fixing bottom plate, a clamping plate penetrates through an inner side groove of the wedge inserting pressing block, an adsorption hole is formed in the lower surface of the wedge inserting pressing block, and a vacuum pipe is connected to the cavity wall of the upper end of the adsorption hole. According to the utility model, the problem that the stator slot wedge is damaged due to uneven stress when one end of the stator slot wedge is knocked by a knocking mechanism in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the field of stator slot wedge processing, in particular to a stator slot wedge inserting machine. Background Art

[0002] The stator slot wedge is a fixed component between the stator slot and the coil of the motor, usually made of plastic or rubber material. Its main function is to fix the coil, prevent the coil from moving or vibrating, and maintain the shape and position of the coil. When processing the motor, the insulating slot wedge is generally inserted into the slot wedge mounting hole of the motor stator. After searching, the prior art (application number: CN202023102612.1) records that "the mechanized assembly device of the stator slot wedge uses a knocking mechanism instead of the operator who swings a hammer to knock, and cooperates with the feed output mechanism to advance the knocking mechanism so that the slot wedge can be pushed to the designed position. The utility model replaces the traditional manual knocking method to assemble the generator stator slot wedge, which improves the stator wedge assembly efficiency. The invention improves the efficiency of stator slot wedge assembly; uses machines to replace manual dangerous knocking actions, thereby improving the safety of operators; uses mechanized assembly of stator slot wedges. Compared with manual assembly, the device for assembling stator slot wedges can knock in slot wedges with higher preload force, thereby improving the quality of generator products; uses mechanized assembly of stator slot wedges, and operators do not need to enter the stator chamber and bend over to exert force, which reduces the labor intensity of operators and also reduces the physical loss of operators. However, in the prior art, when the knocking mechanism knocks one end of the stator slot wedge, it is easy to cause the stator slot wedge to be damaged due to uneven force. Utility Model Content

[0003] In order to overcome the defects of the prior art, a stator slot wedge insertion machine is provided to solve the problem that the stator slot wedge is easily damaged due to uneven force when the knocking mechanism knocks one end of the stator slot wedge in the prior art.

[0004] In order to achieve the above object, a stator slot wedge insertion machine is provided, comprising: a stator slot wedge assembly platform and a positioning platform, wherein the upper end of the stator slot wedge assembly platform is connected to the positioning platform via a rotating disk,

[0005] The upper end surface of the stator slot wedge assembly platform is connected to a lifting frame through a sliding table, and the right side of the lifting frame is movably connected with a supporting vertical plate and a wedge pressure block, the lower end of the supporting vertical plate is limitedly connected to a fixed bottom plate, a pressure sensor is installed inside the fixed bottom plate, a clamping plate passes through the inner groove of the wedge pressure block, and an adsorption hole is arranged on the lower surface of the wedge pressure block, and a vacuum tube is connected to the cavity wall at the upper end of the adsorption hole.

[0006] Furthermore, a stepper motor is installed inside the stator slot wedge assembly platform, a rotating disk is connected to the upper end shaft of the stepper motor, and the lifting frame is located at the left end of the positioning platform.

[0007] Furthermore, the inner side of the lifting frame is connected to a wedge pressure block via a first screw transmission mechanism, and the inner side of the lifting frame is connected to a fixed bottom plate via a second screw transmission mechanism.

[0008] Furthermore, a limiting plate is fixed on the lower end surface of the supporting vertical plate; and the limiting plate is connected in the fixed bottom plate groove, and the pressure sensor is in contact with the limiting plate at the lower end of the supporting vertical plate.

[0009] Furthermore, a connecting block is attached to the upper surface of the wedge-inserting pressure block, a clamping plate is inserted into the inner side of the connecting block, and the adsorption hole and the supporting vertical plate are in the same vertical direction.

[0010] Furthermore, the clamping plates are symmetrically distributed on the left and right sides of the adsorption hole, the side ends of the connecting blocks are connected to the wedge pressing blocks through small electric push rods, and sponge pads are bonded to the sides of the clamping plates.

[0011] Furthermore, the support vertical plate, the wedge pressure block, the pressure sensor, the vacuum tube, the clamping plate, and the adsorption hole constitute an insertion type assembly mechanism.

[0012] The beneficial effect of the utility model is that the stator slot wedge insertion machine of the utility model clamps and absorbs the upper end of the stator slot wedge by using the clamping plates and adsorption holes on both sides of the slot of the wedge pressure block, and presses the stator slot wedge in the middle by the wedge pressure block and the supporting vertical plate, so that the screw transmission mechanism synchronously drives the wedge pressure block and the supporting vertical plate to move downward, and inserts the middle stator slot wedge into the stator slot, so that the stator slot wedge can be inserted into the stator slot of the motor efficiently and accurately, and the stator slot wedge can be inserted with balanced force, so as to prevent the stator slot wedge from being broken and damaged due to excessive force, and reduce the cost loss of stator slot wedge assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of a stator slot wedge insertion machine according to an embodiment of the utility model.

[0014] Figure 2 It is a front view cross-sectional structural schematic diagram of a stator slot wedge insertion machine according to an embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the front cross-sectional connection structure of the supporting vertical plate and the wedge pressing block according to an embodiment of the utility model.

[0016] Figure 4 The figure is a schematic top view of the structure of the wedge-inserting pressing block according to an embodiment of the utility model.

[0017] In the figure: 1. stator slot wedge assembly table; 2. support vertical plate; 21. fixed bottom plate; 22. pressure sensor; 3. wedge pressure block; 31. connecting block; 32. small electric push rod; 33. vacuum tube; 34. clamping plate; 35. sponge pad; 36. adsorption hole; 4. lifting frame; 41. first screw transmission mechanism; 42. second screw transmission mechanism; 5. positioning table; 51. rotating disk; 52. stepping motor. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 4 As shown, the utility model provides a stator slot wedge insertion machine, comprising: a stator slot wedge assembly platform 1 and a positioning platform 5, wherein the upper end of the stator slot wedge assembly platform 1 is connected to the positioning platform 5 via a rotating disk 51,

[0019] The upper end surface of the stator slot wedge assembly table 1 is connected to the lifting frame 4 through a slide, and the right side of the lifting frame 4 is movably connected to the supporting vertical plate 2 and the wedge pressure block 3, the lower end of the supporting vertical plate 2 is limitedly connected to the fixed bottom plate 21, and a pressure sensor 22 is installed inside the fixed bottom plate 21, and a clamping plate 34 passes through the inner groove of the wedge pressure block 3, and an adsorption hole 36 is provided on the lower surface of the adsorption hole 36. The upper end cavity wall of the adsorption hole 36 is connected to a vacuum tube 33.

[0020] When assembling the stator slot wedge, first fix the motor stator on the positioning platform 5, adjust the position of the lifting frame 4, so that the support vertical plate 2 on the right side of the lifting frame 4 is inserted from the lower end of the stator slot and passes through the upper end, and then the upper end surface of the assembled stator slot wedge is adsorbed and fitted with the adsorption hole 36 of the wedge pressing block 3, and the stator slot wedge fitted with the surface of the adsorption hole 36 is clamped by pushing the clamping plate 34, and then the wedge pressing block 3 is lowered to support the support vertical plate 2 at the lower surface of the stator slot wedge, forming an upper and lower pressure on the stator slot wedge, and then the screw transmission mechanism 41 is controlled to rotate synchronously, so that the support vertical plate 2 and the wedge pressing block 3 drive the stator slot wedge to descend and insert into the stator slot to complete the current stator slot wedge assembly process.

[0021] In this embodiment, a stepper motor 52 is installed inside the stator slot wedge assembly platform 1 , a rotating disk 51 is connected to the upper end of the stepper motor 52 , and the lifting frame 4 is located at the left end of the positioning platform 5 .

[0022] As a preferred embodiment, the stepper motor 52 is convenient for controlling the rotation angle of the rotating disk 51 , so that the unassembled stator slots of the motor stator sleeved on the surface of the positioning platform 5 move to the top of the supporting vertical plate 2 .

[0023] In this embodiment, the inner side of the lifting frame 4 is connected to the wedge pressing block 3 via a first screw transmission mechanism 41 , and the inner side of the lifting frame 4 is connected to the fixed bottom plate 21 via a second screw transmission mechanism 42 .

[0024] As a preferred embodiment, the first screw transmission mechanism 41 and the second screw transmission mechanism 42 respectively drive the support vertical plate 2 and the wedge pressure block 3 to move downward synchronously, so that the stator slot wedge pressed between the support vertical plate 2 and the wedge pressure block 3 is inserted into the stator slot wedge.

[0025] In this embodiment, a limiting plate is fixed to the lower end surface of the supporting vertical plate 2 ; and the limiting plate is connected to the groove of the fixed bottom plate 21 , and the pressure sensor 22 is in contact with the limiting plate at the lower end of the supporting vertical plate 2 .

[0026] As a preferred embodiment, the upper end of the support vertical plate 2 is supported on the lower surface of the stator slot wedge, and the downward pressure of the stator slot wedge is detected by the pressure sensor 22, so as to control the upward and downward pressure of the wedge pressure block 3 and the support vertical plate 2 to avoid damage to the stator slot wedge caused by excessive pressure.

[0027] In this embodiment, a connection block 31 is attached to the upper surface of the wedge pressing block 3, a clamping plate 34 is inserted into the inner side of the connection block 31, and the adsorption hole 36 is in the same vertical direction as the supporting vertical plate 2. The clamping plates 34 are symmetrically distributed on the left and right sides of the adsorption hole 36, and the side end of the connection block 31 is connected to the wedge pressing block 3 through a small electric push rod 32, and a sponge pad 35 is bonded to the side of the clamping plate 34.

[0028] As a preferred embodiment, the connecting block 31 facilitates the clamping plate 34 to move left and right, thereby clamping the upper end of the stator slot wedge. When the stator slot wedge is partially inserted into the stator slot, the clamping clamping plate 34 is released to avoid hindering the stator slot wedge from moving downward. The adsorption hole 36 facilitates the negative pressure adsorption column stator slot wedge, strengthens the clamping of the clamping plate 34, and prevents the stator slot wedge from slipping.

[0029] In this embodiment, the support vertical plate 2, the wedge pressure block 3, the pressure sensor 22, the vacuum tube 33, the clamping plate 34, and the adsorption hole 36 constitute an insertion type assembly mechanism.

[0030] As a preferred embodiment, the insertion assembly mechanism facilitates the efficient and accurate insertion of the stator slot wedge into the stator slot of the motor, ensures that the stator slot wedge is inserted with balanced force, prevents the stator slot wedge from being broken or damaged due to excessive force, and reduces the cost loss of stator slot wedge assembly.

[0031] The stator slot wedge insertion machine of the utility model can effectively solve the problem in the prior art that the stator slot wedge is easily damaged due to uneven force when the knocking mechanism knocks one end of the stator slot wedge, and is convenient for efficiently and accurately inserting the stator slot wedge into the stator slot of the motor, ensuring that the stator slot wedge is inserted with balanced force, preventing the stator slot wedge from being broken or damaged due to excessive force, and reducing the cost loss of stator slot wedge assembly. The utility model is suitable for the stator slot wedge insertion machine.

Claims

1. A stator slot wedge inserting machine, comprising: A stator slot wedge assembly platform (1) and a positioning platform (5), wherein the upper end of the stator slot wedge assembly platform (1) is connected to the positioning platform (5) via a rotating disk (51), and is characterized in that: The upper end surface of the stator slot wedge assembly platform (1) is connected to a lifting frame (4) through a slide, and the right side of the lifting frame (4) is movably connected to a supporting vertical plate (2) and a wedge pressure block (3), the lower end of the supporting vertical plate (2) is limitedly connected to a fixed bottom plate (21), a pressure sensor (22) is installed inside the fixed bottom plate (21), a clamping plate (34) passes through the inner groove of the wedge pressure block (3), and an adsorption hole (36) is arranged on the lower surface of the wedge pressure block (3), and a vacuum tube (33) is connected to the upper end cavity wall of the adsorption hole (36).

2. A stator slot wedge inserting machine according to claim 1, characterized in that: A stepper motor (52) is installed inside the stator slot wedge assembly platform (1), and a rotating disk (51) is connected to the upper end of the stepper motor (52). The lifting frame (4) is located at the left end of the positioning platform (5).

3. A stator slot wedge inserting machine according to claim 1, characterized in that: The inner side of the lifting frame (4) is connected to the wedge pressing block (3) via a first screw transmission mechanism (41), and the inner side of the lifting frame (4) is connected to the fixed base plate (21) via a second screw transmission mechanism (42).

4. A stator slot wedge inserting machine according to claim 1, characterized in that: A limiting plate is fixed on the lower end surface of the supporting vertical plate (2); the limiting plate is connected to the groove of the fixed bottom plate (21); and the pressure sensor (22) is in contact with the limiting plate at the lower end of the supporting vertical plate (2).

5. The stator slot wedge inserting machine according to claim 1, characterized in that: The upper surface of the wedge-inserting pressure block (3) is fitted with a connection block (31), the inner side of the connection block (31) is plugged with a clamping plate (34), and the adsorption hole (36) and the supporting vertical plate (2) are in the same vertical direction.

6. A stator slot wedge inserting machine according to claim 5, characterized in that: The clamping plates (34) are symmetrically distributed on the left and right sides of the adsorption hole (36); the side ends of the connection blocks (31) are connected to the wedge pressing blocks (3) via small electric push rods (32); and the side surfaces of the clamping plates (34) are bonded with sponge pads (35).

7. The stator slot wedge inserting machine according to claim 1, characterized in that: The supporting vertical plate (2), the inserting wedge pressure block (3), the pressure sensor (22), the vacuum tube (33), the clamping plate (34), and the adsorption hole (36) constitute an insertion type assembly mechanism.

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