Motor slot wedge machining device

Abstract

The motor slot wedge machining device comprises supporting legs and further comprises a driving assembly, an adsorption assembly and a clamping assembly, a machine body is fixedly connected to the tops of the supporting legs, a supporting column is fixedly connected to the top of the machine body, a driving frame is fixedly connected to the top of the supporting column, and a movable adjusting assembly is arranged at the top in the driving frame; the bottom of the movable adjusting assembly is fixedly connected with a driving motor. In the process that an electric telescopic rod is controlled to drive a lifting plate to ascend, a stretching plate on the front side of the lifting plate pulls an air bag I, at the moment, an electromagnetic valve at the joint of the air bag I and a connecting hose is closed, meanwhile, a pressure release valve at the bottom of the air bag I is closed, and negative pressure is generated in the air bag I. When a suction cup makes contact with the bottom of a slot wedge, the electromagnetic valve is opened; the negative pressure in the first air bag is guided into the suction cup through the connecting hose and the connecting pipe frame, the suction cup adsorbs the bottom of the slot wedge, the slot wedge is clamped more stably in the subsequent machining process, and meanwhile edge warping generated after the slot wedge is broken in the subsequent machining process is prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of motor processing, in particular to a motor slot wedge processing device. Background Art

[0002] Motor slot wedges are mainly used in the stator core of generators and are essential components in the motor winding processing process. According to their materials and performance, motor slot wedges can be divided into many types, such as 3240 epoxy cloth slot wedges, pull-out slot wedges, magnetic slot wedges, silicone slot wedges, semiconductor slot wedges, etc., to meet the needs of motors of different types and insulation grades.

[0003] When machining the motor slot wedge, it is necessary to cut it to meet the required size. During the cutting process, the cutting point is subjected to force, and the position near the cutting point is prone to warping during cutting, resulting in reduced stability when clamping the slot wedge during subsequent processing. Improvements are needed to address this problem. Summary of the Invention

[0004] The object of the present invention is to provide a motor slot wedge processing device to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a motor slot wedge processing device, comprising a supporting foot, a driving assembly, an adsorption assembly and a clamping assembly, the top of the supporting foot is fixedly connected to an organic body, the top of the organic body is fixedly connected to a supporting column, the top of the supporting column is fixedly connected to a driving frame, a movable adjustment assembly is provided at the top of the driving frame, the bottom of the movable adjustment assembly is fixedly connected to a driving motor, the driving motor has an output shaft, and the output shaft of the driving motor is fixedly connected to a cutting tool.

[0006] Wherein, the driving component includes:

[0007] The lifting guide box is fixedly connected to the middle of the top of the machine body, and a positioning rotating frame is fixedly connected to the upper left and right sides of the lifting guide box inside the machine body. The bottom of the lifting guide box is fixedly connected to an electric telescopic rod, and the electric telescopic rod has a telescopic end, and the telescopic end of the electric telescopic rod is fixedly connected to a lifting plate. The left and right sides of the lifting plate are rotatably connected to extrusion arms, and the side of the extrusion arm away from the lifting plate is rotatably connected to an auxiliary frame, and the top of the auxiliary frame is fixedly connected to an adjusting rotating arm plate, and the side of the adjusting rotating arm plate away from the positioning rotating frame is fixedly connected to an adjusting extrusion plate.

[0008] According to the above technical solution, the adsorption assembly includes a stretching plate, a fixed plate, an airbag 1, a connecting hose, a limiting groove, a spring 1, a lifting card plate, a suction cup and a connecting pipe rack. The stretching plate is fixedly connected to the front of the lifting plate, the fixed plate is fixedly connected to the bottom of the front of the lifting guide box, the airbag 1 is fixedly connected to the top of the fixed plate, the connecting hose is fixedly connected to the outside of the airbag 1, the limiting groove is opened at the top of the adjusting rotating arm plate, the spring 1 is fixedly connected to the bottom of the limiting groove, the lifting card plate is fixedly connected to the top of the spring 1, the suction cup is fixedly connected to the middle part of the lifting card plate, and the connecting pipe rack is fixedly connected to the front side of the bottom of the adjusting rotating arm plate.

[0009] According to the above technical solution, the clamping assembly includes airbag 2, a connecting pipe, a clamping drive frame, a clamping drive box, spring 2, a piston plate, a drive column and a clamping extrusion plate. The airbag 2 is fixedly connected to the left and right sides of the top of the machine body, the connecting pipe is fixedly connected to the top of airbag 2, the clamping drive frame is fixedly connected to the top of the machine body, the clamping drive box is fixedly connected to the top inside the clamping drive frame, the spring 2 is fixedly connected to the top inside the clamping drive box, the piston plate is fixedly connected to the bottom end of spring 2, the drive column is fixedly connected to the bottom of the piston plate, and the clamping extrusion plate is fixedly connected to the bottom of the drive column.

[0010] According to the above technical solution, the adjusting rotating arm plate is rotatably connected to the middle part of the positioning rotating frame near one side of the positioning rotating frame, the telescopic end of the electric telescopic rod passes through the bottom of the lifting guide box and extends into the lifting guide box and is fixedly connected to the bottom of the lifting plate, and rectangular grooves are provided on the left and right sides of the lifting guide box to accommodate the lifting of the lifting plate, and a circular storage groove is provided on the inner wall of the top of the body to accommodate the insertion of the suction cup.

[0011] According to the above technical solution, the back of the connecting pipe rack is fixedly connected to the bottom of the suction cup, and the connecting pipe rack is communicated with the inside of the suction cup. A movable circular groove is opened in the middle of the adjusting rotating arm plate, and the lower side of the suction cup is slidably connected to the inner wall of the movable circular groove.

[0012] According to the above technical solution, a sliding groove is provided on the front of the lifting guide box, a sliding block is fixedly connected to the middle of the front of the lifting plate, and the lifting plate is fixedly connected to the back of the stretching plate through the sliding block.

[0013] According to the above technical solution, a solenoid valve is provided inside the interface between the airbag 1 and the connecting hose, and a pressure relief valve is provided at the bottom of the airbag 1. The bottom of the pressure relief valve passes through the fixed plate and extends to the lower side of the fixed plate.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: in the present invention, when the motor slot wedge needs to be processed, the slot wedge is placed in the middle of the top of the machine body, and then the electric telescopic rod is started. When working, the electric telescopic rod pushes the lifting plate to rise, so that the lifting plate pushes the extrusion arm when it rises. When the extrusion arm is subjected to force, the extrusion arm pushes the auxiliary frame, so that the auxiliary frame is subjected to force. At the same time, the auxiliary frame is forced to push the adjustment rotating arm plate, so that the adjustment rotating arm plate rotates inside the positioning rotating frame, so that the suction cup is exposed from the positioning groove on the top of the machine body, so that the top of the suction cup contacts the bottom of the slot wedge, supports the bottom of the slot wedge, and at the same time adjusts the adjustment extrusion plate on the rotating arm plate. The second spring is pressed against the top of the wedge and presses it, and the first spring is compressed, and the lifting card and the suction cup are moved downward, so that the bottom of the wedge contacts the top of the machine body, and the clamping and squeezing plate squeezes the wedge to position it, so that the device can prevent the wedge from being dislocated when in use, and is convenient for processing the wedge later.

[0015] When the electric telescopic rod is controlled to drive the lifting plate to rise, the stretching plate on the front side of the lifting plate pulls the airbag 1. At this time, the solenoid valve at the interface between the airbag 1 and the connecting hose is closed, and the pressure relief valve at the bottom of the airbag 1 is closed, so that negative pressure is generated inside the airbag 1. When the suction cup contacts the bottom of the slot wedge, the solenoid valve is opened, so that the negative pressure in the airbag 1 is introduced into the suction cup through the connecting hose and the connecting pipe rack, so that the suction cup adsorbs the bottom of the slot wedge, making the slot wedge more stable during subsequent processing, and preventing the slot wedge from warping after breaking during subsequent processing;

[0016] The cam is then released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released, and the cam is released

[0017] When the slot wedge needs to be processed, the moving adjustment assembly is controlled to adjust the position of the cutting tool, and then the moving adjustment assembly is controlled to work, the drive motor is started, and the drive motor drives the cutting tool to work, so that the cutting tool rotates to cut the slot wedge. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the interior of the body of the present invention;

[0021] Figure 3 This is a schematic diagram of an explosion at the lifting plate of the present invention;

[0022] Figure 4 It is a schematic diagram of the auxiliary frame of the present invention;

[0023] Figure 5 This is a schematic diagram of an explosion of a spring of the present invention;

[0024] Figure 6 It is a schematic diagram of the connecting pipe of the present invention;

[0025] Figure 7 It is a schematic diagram of the spring of the present invention.

[0026] Figure: 1. Support legs; 2. Machine body; 3. Support columns; 4. Drive frame; 5. Movable adjustment assembly; 6. Drive motor; 7. Cutting tool; 8. Drive assembly; 801. Lifting guide box; 802. Positioning and rotating frame; 803. Electric telescopic rod; 804. Lifting plate; 805. Extrusion arm; 806. Auxiliary frame; 807. Adjustable rotating arm plate; 808. Adjustable extrusion plate; 9. Adsorption assembly; 901. Stretching plate ;902, fixed plate; 903, airbag one; 904, connecting hose; 905, limit groove; 906, spring one; 907, lifting clamp; 908, suction cup; 909, connecting pipe rack; 10, clamping assembly; 101, airbag two; 102, connecting pipe; 103, clamping drive frame; 104, clamping drive box; 105, spring two; 106, piston plate; 107, drive column; 108, clamping extrusion plate. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-4 The present invention provides a technical solution: a motor slot wedge processing device, including a supporting foot 1, and also including a driving component 8, an adsorption component 9 and a clamping component 10. The top of the supporting foot 1 is fixedly connected to the body 2, the top of the body 2 is fixedly connected to the supporting column 3, the top of the supporting column 3 is fixedly connected to the driving frame 4, the top of the driving frame 4 is provided with a movable adjustment assembly 5, the bottom of the movable adjustment assembly 5 is fixedly connected to the driving motor 6, the driving motor 6 has an output shaft, and the output shaft of the driving motor 6 is fixedly connected to the cutting tool 7.

[0029] The driving assembly 8 includes:

[0030] The lifting guide box 801 is fixedly connected to the middle of the top of the body 2. A positioning rotating frame 802 is fixedly connected to the upper left and right sides of the lifting guide box 801 inside the body 2. An electric telescopic rod 803 is fixedly connected to the bottom of the lifting guide box 801. The electric telescopic rod 803 has a telescopic end. The telescopic end of the electric telescopic rod 803 is fixedly connected to a lifting plate 804. The lifting plate 804 is rotatably connected to the squeezing arm 805 on the left and right sides. The squeezing arm 805 is rotatably connected to the auxiliary frame 806 on the side away from the lifting plate 804. The top of the auxiliary frame 806 is fixedly connected to an adjusting rotating arm plate 807. The adjusting rotating arm plate 807 is fixedly connected to the adjusting squeezing plate 808 on the side away from the positioning rotating frame 802.

[0031] The adjusting rotating arm plate 807 is rotatably connected to the middle part of the positioning rotating frame 802 near one side of the positioning rotating frame 802, and the telescopic end of the electric telescopic rod 803 passes through the bottom of the lifting guide box 801 and extends into the lifting guide box 801 and is fixedly connected to the bottom of the lifting plate 804. Rectangular grooves are provided on the left and right sides of the lifting guide box 801 to accommodate the lifting of the lifting plate 804, and a circular storage groove is provided on the inner wall of the top of the body 2 to accommodate the insertion of the suction cup 908.

[0032] See also Figure 1-7The present invention provides a technical solution: the adsorption component 9 includes a stretching plate 901, a fixed plate 902, an airbag 903, a connecting hose 904, a limiting groove 905, a spring 906, a lifting card plate 907, a suction cup 908 and a connecting pipe rack 909. The stretching plate 901 is fixedly connected to the front of the lifting plate 804, the fixed plate 902 is fixedly connected to the bottom of the front of the lifting guide box 801, the airbag 903 is fixedly connected to the top of the fixed plate 902, the connecting hose 904 is fixedly connected to the outside of the airbag 903, the limiting groove 905 is opened at the top of the adjusting rotating arm plate 807, the spring 906 is fixedly connected to the bottom of the limiting groove 905, the lifting card plate 907 is fixedly connected to the top of the spring 906, the suction cup 908 is fixedly connected to the middle part of the lifting card plate 907, and the connecting pipe rack 909 is fixedly connected to the front side of the bottom of the adjusting rotating arm plate 807.

[0033] The clamping assembly 10 includes airbag 2 101, a connecting pipe 102, a clamping drive frame 103, a clamping drive box 104, a spring 2 105, a piston plate 106, a drive column 107 and a clamping extrusion plate 108. The airbag 2 101 is fixedly connected to the left and right sides of the top inside the body 2, the connecting pipe 102 is fixedly connected to the top of the airbag 2 101, the clamping drive frame 103 is fixedly connected to the top of the body 2, the clamping drive box 104 is fixedly connected to the top inside the clamping drive frame 103, the spring 2 105 is fixedly connected to the top inside the clamping drive box 104, the piston plate 106 is fixedly connected to the bottom of the spring 2 105, the drive column 107 is fixedly connected to the bottom of the piston plate 106, and the clamping extrusion plate 108 is fixedly connected to the bottom of the drive column 107.

[0034] The back of the connecting pipe rack 909 is fixedly connected to the bottom of the suction cup 908, and the connecting pipe rack 909 is connected to the inside of the suction cup 908. A movable circular groove is opened in the middle of the adjusting rotating arm plate 807, and the lower side of the suction cup 908 is slidably connected to the inner wall of the movable circular groove.

[0035] A sliding groove is provided on the front of the lifting guide box 801, and a sliding block is fixedly connected to the middle of the front of the lifting plate 804. The lifting plate 804 is fixedly connected to the back of the stretching plate 901 through the sliding block.

[0036] An electromagnetic valve is provided inside the interface between the airbag 1 903 and the connecting hose 904 , and a pressure relief valve is provided at the bottom of the airbag 1 903 . The bottom of the pressure relief valve passes through the fixed plate 902 and extends to the lower side of the fixed plate 902 .

[0037] When the motor slot wedge needs to be processed, the slot wedge is placed in the middle of the top of the machine body 2, and then the electric telescopic rod 803 is started. When working, the electric telescopic rod 803 pushes the lifting plate 804 to rise, so that the lifting plate 804 pushes the squeezing arm 805 when it rises. When the squeezing arm 805 is under force, the squeezing arm 805 pushes the auxiliary frame 806, so that the auxiliary frame 806 is under force. At the same time, the auxiliary frame 806 is forced to push the adjusting rotating arm plate 807, so that the adjusting rotating arm plate 807 rotates inside the positioning rotating frame 802, so that the suction cup 908 is exposed from the positioning groove at the top of the machine body 2, so that the top of the suction cup 908 contacts the bottom of the slot wedge to support the bottom of the slot wedge, and at the same time, the adjusting squeezing plate 808 on the adjusting rotating arm plate 807 contacts and presses the air at the top of the machine body 2. The second airbag 101 is squeezed, so that the air in the second airbag 101 is sent into the clamping drive box 104 through the connecting tube 102, so that the air pressure at the top of the clamping drive box 104 increases, and the piston plate 106 moves down in the clamping drive box 104. At the same time, the second spring 105 is stretched, so that the piston plate 106 drives the driving column 107 and the clamping and squeezing plate 108 when moving down, so that the clamping and squeezing plate 108 presses down to contact the top of the slot wedge and squeezes it. When the slot wedge is squeezed, the spring 1 906 is compressed, and the lifting card 907 and the suction cup 908 can move down, so that the bottom of the slot wedge contacts the top of the body 2, so that the clamping and squeezing plate 108 squeezes and positions the slot wedge, so that the device can prevent the slot wedge from being dislocated when in use, and facilitates the later processing of the slot wedge.

[0038] In the process of controlling the electric telescopic rod 803 to drive the lifting plate 804 to rise, the stretching plate 901 on the front side of the lifting plate 804 pulls the airbag 1 903. At this time, the solenoid valve at the interface between the airbag 1 903 and the connecting hose 904 is closed, and the pressure relief valve at the bottom of the airbag 1 903 is closed, so that negative pressure is generated inside the airbag 1 903. When the suction cup 908 contacts the bottom of the slot wedge, the solenoid valve is opened, so that the negative pressure in the airbag 1 903 is introduced into the suction cup 908 through the connecting hose 904 and the connecting pipe rack 909, so that the suction cup 908 adsorbs the bottom of the slot wedge, making the slot wedge more stably clamped during subsequent processing, and preventing the slot wedge from warping after breaking during subsequent processing.

[0039] After the slot wedge is cut, it needs to be disassembled. At this time, the pressure relief valve is opened to discharge the negative pressure in the airbag 903 through the pressure relief valve. At the same time, the negative pressure in the suction cup 908 disappears, so that the suction force of the suction cup 908 on the bottom of the slot wedge disappears. At the same time, the electric telescopic rod 803 is started to drive the lifting plate 804 to move downward, so that the lifting plate 804 pulls the squeezing arm 805. At the same time, the squeezing arm 805 pulls the auxiliary frame 806, so that the auxiliary frame 806 pulls the adjusting rotating arm plate 807, so that the adjusting rotating arm plate 807 and the adjusting squeezing plate 808 are positioned and rotated. The frame 802 rotates, and at the same time, the extrusion plate 808 is adjusted to separate from the airbag 2 101, so that the elasticity in the airbag 2 101 is restored, and the elasticity of the spring 2 105 in the clamping drive box 104 is restored. At the same time, the air in the clamping drive box 104 flows back to the airbag 2 101 through the connecting pipe 102. At this time, the clamping extrusion plate 108 rises, so that the clamping extrusion plate 108 is separated from the top of the slot wedge. At the same time, the clamping extrusion plate 108 cannot press down the slot wedge, so that the slot wedge is easy to take out, so that the device has the function of quick clamping and disassembly when in use.

[0040] When the slot wedge needs to be processed, the moving adjustment assembly 5 is controlled to adjust the position of the cutting tool 7, and then the moving adjustment assembly 5 is controlled to work, and the drive motor 6 is started, so that the drive motor 6 drives the cutting tool 7 to work, and the cutting tool 7 rotates to cut the slot wedge.

[0041] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A motor slot wedge processing device, comprising a support foot (1), characterized in that: It also includes a driving component (8), an adsorption component (9) and a clamping component (10), wherein the top of the supporting foot (1) is fixedly connected to the body (2), the top of the body (2) is fixedly connected to a supporting column (3), the top of the supporting column (3) is fixedly connected to a driving frame (4), the top of the driving frame (4) is provided with a moving adjustment assembly (5), the bottom of the moving adjustment assembly (5) is fixedly connected to a driving motor (6), the driving motor (6) has an output shaft, and the output shaft of the driving motor (6) is fixedly connected to a cutting tool (7); Wherein, the driving component (8) comprises: A lifting guide box (801) is fixedly connected to the middle of the top of the machine body (2). A positioning rotating frame (802) is fixedly connected to the upper left and right sides of the lifting guide box (801) inside the machine body (2). An electric telescopic rod (803) is fixedly connected to the bottom of the lifting guide box (801). The electric telescopic rod (803) has a telescopic end. The telescopic end of the electric telescopic rod (803) is fixedly connected to a lifting plate (804). The lifting plate (804) is rotatably connected to squeezing arms (805) on the left and right sides. The squeezing arms (805) are rotatably connected to an auxiliary frame (806) on the side away from the lifting plate (804). The top of the auxiliary frame (806) is fixedly connected to an adjusting rotating arm plate (807). The side of the adjusting rotating arm plate (807) away from the positioning rotating frame (802) is fixedly connected to an adjusting squeezing plate (808).

2. The motor slot wedge processing device according to claim 1, characterized in that: The adsorption assembly (9) includes a stretching plate (901), a fixing plate (902), an airbag (903), a connecting hose (904), a limiting groove (905), a spring (906), a lifting plate (907), a suction cup (908) and a connecting pipe rack (909), wherein the stretching plate (901) is fixedly connected to the front of the lifting plate (804), the fixing plate (902) is fixedly connected to the bottom of the front of the lifting guide box (801), and the airbag (903) is fixedly connected to the fixing plate (902). ) top, the connecting hose (904) is fixedly connected to the outside of the airbag one (903), the limiting groove (905) is opened at the top of the adjusting rotating arm plate (807), the spring one (906) is fixedly connected to the bottom of the limiting groove (905), the lifting card plate (907) is fixedly connected to the top of the spring one (906), the suction cup (908) is fixedly connected to the middle of the lifting card plate (907), and the connecting pipe frame (909) is fixedly connected to the front side of the bottom of the adjusting rotating arm plate (807).

3. The motor slot wedge processing device according to claim 2, characterized in that: The clamping assembly (10) includes an airbag (101), a connecting pipe (102), a clamping drive frame (103), a clamping drive box (104), a spring (105), a piston plate (106), a drive column (107) and a clamping extrusion plate (108), wherein the airbag (101) is fixedly connected to the left and right sides of the top of the body (2), the connecting pipe (102) is fixedly connected to the top of the airbag (101), and the clamping drive frame (10 3) is fixedly connected to the top of the machine body (2), the clamping drive box (104) is fixedly connected to the top of the clamping drive frame (103), the spring 2 (105) is fixedly connected to the top of the clamping drive box (104), the piston plate (106) is fixedly connected to the bottom of the spring 2 (105), the drive column (107) is fixedly connected to the bottom of the piston plate (106), and the clamping extrusion plate (108) is fixedly connected to the bottom of the drive column (107).

4. The motor slot wedge processing device according to claim 3, characterized in that: The regulating rotating arm plate (807) is rotatably connected to the middle part of the positioning rotating frame (802) near one side of the positioning rotating frame (802); the telescopic end of the electric telescopic rod (803) passes through the bottom of the lifting guide box (801) and extends into the lifting guide box (801) and is fixedly connected to the bottom of the lifting plate (804); the left and right sides of the lifting guide box (801) are provided with rectangular grooves for accommodating the lifting of the lifting plate (804); and the top inner wall of the body (2) is provided with a receiving circular groove for accommodating the insertion of the suction cup (908).

5. The motor slot wedge processing device according to claim 4, characterized in that: The back of the connecting pipe frame (909) is fixedly connected to the bottom of the suction cup (908), and the connecting pipe frame (909) is connected to the inside of the suction cup (908). A movable circular groove is opened in the middle of the adjusting rotating arm plate (807), and the lower side of the suction cup (908) is slidably connected to the inner wall of the movable circular groove.

6. The motor slot wedge processing device according to claim 5, characterized in that: The front of the lifting guide box (801) is provided with a sliding groove, the middle of the front of the lifting plate (804) is fixedly connected with a sliding block, and the lifting plate (804) is fixedly connected to the back of the stretching plate (901) via the sliding block.

7. The motor slot wedge processing device according to claim 6, characterized in that: A solenoid valve is provided inside the interface between the airbag 1 (903) and the connecting hose (904), and a pressure relief valve is provided at the bottom of the airbag 1 (903). The bottom of the pressure relief valve passes through the fixed plate (902) and extends to the lower side of the fixed plate (902).

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