A welding positioning protection device for motor winding terminals

Abstract

The present invention discloses a motor winding terminal welding positioning protection device, and relates to the technical field of welding positioning equipment. The present invention comprises a frame, a winding body is movably placed on the top of the frame, a plurality of end wires are arranged on the top of the winding body, a winding clamping mechanism that drives the winding body to rotate in a controlled manner is installed on the lower part of the frame, a guide frame is fixedly installed on the upper part of the frame, a wire end processing mechanism and a terminal welding mechanism are slidably connected to the inner wall of the guide frame, two horizontally arranged shift push rods are installed inside the guide frame, the movable ends of the two shift push rods are fixedly connected to the wire end processing mechanism and the terminal welding mechanism, and a wire end positioning mechanism is installed on the top surface of the winding clamping mechanism. The present invention enables the device to automatically complete the positioning welding operation of the motor winding terminal by arranging the winding clamping mechanism, the wire end positioning mechanism, the wire end processing mechanism and the terminal welding mechanism.

Description

Technical Field

[0001] The invention belongs to the technical field of welding positioning equipment, and in particular relates to a welding positioning protection device for motor winding terminals. Background Art

[0002] The motor stator is an important component of motors such as generators and starters. The stator consists of three parts: the stator core, the stator winding and the frame. After the stator winding is installed, it is necessary to form a winding terminal at the end of the stator winding. The winding terminal is welded by copper joints and terminal blocks. It is difficult to fix the copper joints and terminal blocks during welding, and they are prone to dislocation, which increases the difficulty of operation and greatly affects the efficiency of the welding operation.

[0003] In the prior art, a patent document with publication number CN114734194A discloses a motor winding terminal welding positioning protection device, which adopts a winding terminal limit seat to clamp the winding terminal, thereby avoiding the winding shaking to hinder the terminal welding. At the same time, the winding terminal limit seat can prevent high temperature from scalding the winding. The clamping device on the winding terminal limit seat can adapt to winding sizes of different specifications and has a wide range of uses. When the above device realizes the positioning of the terminal, it relies on manual operation and has a low degree of automation. When the above device is working, it cannot realize automatic trimming of the electronic winding end line. Based on this, the present invention provides a motor winding terminal welding positioning protection device to solve the problems raised in the above background technology. Summary of the invention

[0004] The object of the present invention is to provide a motor winding terminal welding positioning protection device, which solves the problems of low automation degree and inability to realize automatic trimming of electronic winding end wires in existing motor winding terminal welding positioning protection devices through the arrangement of a winding clamping mechanism, a wire end positioning mechanism, a wire end processing mechanism and a terminal welding mechanism.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention is a motor winding terminal welding positioning and protection device, comprising a frame, a winding body is movably placed on the top of the frame, a plurality of end wires are arranged on the top of the winding body, a winding clamping mechanism which drives the winding body to rotate in a controlled manner is installed on the lower part of the frame, a guide frame is fixedly installed on the upper part of the frame, a wire end processing mechanism and a terminal welding mechanism are respectively slidably connected to the inner wall of the guide frame, two horizontally arranged shift push rods are installed inside the guide frame, the movable ends of the two shift push rods are respectively fixedly connected to the wire end processing mechanism and the terminal welding mechanism, and a wire end positioning mechanism is installed on the top surface of the winding clamping mechanism.

[0007] Preferably, the winding clamping mechanism includes a supporting rotatable frame rotatably connected to the frame, a swivel shaft is installed at the bottom axis position of the supporting rotatable frame, the circumferential side surface of the swivel shaft is rotatably connected to the frame, a rotating motor connected to the swivel shaft transmission is installed inside the frame, a group of clamping seats distributed in a circular array are slidably connected to the inner wall of the supporting rotatable frame, a clamping rod matching the winding body is fixedly installed on the top of each of the clamping seats, a transmission ring is slidably connected to the circumferential side surface of the swivel shaft, and a lifting plate is rotatably connected to the bottom surface of the transmission ring, both ends of the lifting plate are slidably connected to the frame, a group of vertically arranged clamping push rods are installed between the relative surfaces of the lifting plate and the frame, and a connecting rod is hinged between each of the clamping seats and the relative surfaces of the transmission ring.

[0008] Preferably, a driven bevel gear is fixedly mounted on the bottom end of the rotating shaft, a transmission bevel gear meshing with the driven bevel gear is fixedly mounted on the output shaft end of the rotating motor, and the cross section of the clamping rod is circular.

[0009] Preferably, the wire end positioning mechanism includes an aluminum-magnesium soft rod fixedly connected to the supporting rotating frame, an outer clamp is fixedly installed on the top end of the aluminum-magnesium soft rod, an inner clamp is hinged on the inner wall of the outer clamp, a torsion spring is fixedly arranged at the hinge between the outer clamp and the inner clamp, the outer clamp and the inner clamp are both arc-shaped structures, and silicone clips are installed on the surface of the outer clamp opposite to the inner clamp and on the side of the inner clamp opposite to the outer clamp.

[0010] The top surface of the transmission frame is fixedly provided with a cutting tool, and the movable end of the cutting tool is fixedly provided with a cutting tool and the movable end of the cutting tool is fixedly provided with a cutting tool.

[0011] Preferably, the screw adjustment module respectively includes an adjusting motor fixedly connected to the transmission frame and an adjusting screw rotatably connected to the inner wall of the transmission frame, the circumferential side surface of the adjusting screw is symmetrically provided with a forward threaded portion and a reverse threaded portion, the output shaft end of the adjusting motor is fixedly connected to the adjusting screw, and the circumferential side surfaces of the forward threaded portion and the reverse threaded portion are respectively transmission-connected to two wire clamps.

[0012] Preferably, the cross section of the cutter is "V"-shaped, a semi-arc clamping block is installed at the bottom of the semi-arc clamping cavity, and the semi-arc pad is made of silicone.

[0013] Preferably, the terminal welding mechanism includes a welding frame slidably connected to the guide frame, the surface of the welding frame is fixedly connected to the other shift push rod, a second screw lifting module is vertically installed inside the welding frame, the peripheral side of the second screw lifting module is transmission-connected with a welding platform, the peripheral side of the welding platform is slidably connected to the welding frame, a terminal receiving groove with a top opening is fixedly opened inside the welding frame, a wire entry tube vertically arranged and connected to the terminal receiving groove is fixedly installed at the bottom end of the welding platform, a bracket is fixedly installed on the surface of the welding platform, a group of pressure push rods are fixedly installed on the side of the bracket opposite to the terminal receiving groove, a welding pressure head matching the terminal receiving groove is fixedly installed on the movable end of the pressure push rod, and a stripping notch is provided on the wire entry tube and a surface of the terminal receiving groove opposite to the welding pressure head.

[0014] Preferably, the first screw lifting module and the second screw lifting module both include a vertically arranged lifting screw and a lifting motor for driving the lifting screw to rotate.

[0015] The present invention has the following beneficial effects:

[0016] The present invention enables the device to automatically complete the positioning and welding operations of the motor winding terminals through the settings of the winding clamping mechanism, the wire end positioning mechanism, the wire end processing mechanism and the terminal welding mechanism. During operation, the preliminary positioning operation of the end wire in the winding body can be automatically completed through the setting of the wire end positioning mechanism. The twisting of the motor end wire into strips and the automatic cutting and trimming of the excess end wire can be automatically completed through the setting of the wire end processing mechanism. The welding process after the end wire is formed and trimmed can be automatically completed through the setting of the terminal welding mechanism. By achieving the above-mentioned technical effects, the degree of automation of the device and the position stability and accuracy during welding of the motor winding terminals are effectively improved.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a structural schematic diagram of a motor winding terminal welding positioning protection device;

[0020] Figure 2 for Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0021] Figure 3 It is a schematic diagram of the structure of the supporting rotating frame and welding frame;

[0022] Figure 4 It is a schematic diagram of the cross-sectional structure of the supporting rotating frame and the clamping push rod;

[0023] Figure 5 It is a structural schematic diagram of the servo motor and the rotating frame;

[0024] Figure 6 It is a structural schematic diagram of the wire clamp;

[0025] Figure 7 It is a schematic diagram of the structure of the pressure push rod and the welding pressure head;

[0026] Figure 8 It is a structural diagram of the welding station.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1. Frame; 2. Winding body; 3. End wire; 4. Guide frame; 5. Shift push rod; 6. Supporting rotating frame; 7. Rotating shaft; 8. Rotating motor; 9. Clamping seat; 10. Clamping rod; 11. Transmission ring; 12. Lifting plate; 13. Clamping push rod; 14. Connecting rod; 15. Aluminum-magnesium soft rod; 16. External clamp; 17. Internal clamp; 18. Processing table; 19. Cutting plate; 20. Rotating frame; 21. Servo motor; 22. First screw lifting module; 23. Transmission frame; 24. Screw pitch adjustment module; 25. Wire clamp; 26. Half arc clamping cavity; 27. Cutting groove; 28. Cutting push rod; 29. ​​Cutter; 30. Welding frame; 31. Second screw lifting module; 32. Welding table; 33. Terminal containing groove; 34. Pressure push rod; 35. Welding pressure head; 36. Stripping notch DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-8 The present invention is a motor winding terminal welding positioning protection device, comprising a frame 1, a winding body 2 is movably placed on the top of the frame 1, three end wires 3 are arranged on the top of the winding body 2, and a winding clamping mechanism that drives the winding body 2 to rotate in a controlled manner is installed at the lower part of the frame 1;

[0031] The winding clamping mechanism comprises a supporting rotating frame 6 rotatably connected to the frame 1, a rotating shaft 7 is installed at the bottom axis position of the supporting rotating frame 6, the peripheral side of the rotating shaft 7 is rotatably connected to the frame 1, and a rotating motor 8 drivingly connected to the rotating shaft 7 is installed inside the frame 1;

[0032] A driven bevel gear is fixedly mounted on the bottom end of the rotating shaft 7, and a transmission bevel gear meshing with the driven bevel gear is fixedly mounted on the output shaft end of the rotating motor 8;

[0033] The rotary motor 8 is used to drive the winding body 2 to rotate at a set angle, thereby changing the position of the end and the processing step;

[0034] The inner wall of the supporting rotating frame 6 is slidably connected with a group of clamping seats 9 distributed in a circumferential array, and a clamping rod 10 matched with the winding body 2 is fixedly installed on the top of each clamping seat 9, and the cross section of the clamping rod 10 is circular;

[0035] The peripheral side surface of the rotating shaft 7 is slidably connected with a transmission ring 11, and the bottom surface of the transmission ring 11 is rotatably connected with a lifting plate 12. Both ends of the lifting plate 12 are slidably connected to the frame 1, and a group of vertically arranged clamping push rods 13 are installed between the relative surfaces of the lifting plate 12 and the frame 1;

[0036] A connecting rod 14 is hinged between each clamping seat 9 and the opposite surface of the transmission ring 11;

[0037] After the position of the lifting plate 12 is changed, the layout height of the transmission ring 11 is changed. After the layout height of the transmission ring 11 is changed, the position of a group of clamping tables inside the supporting rotating frame 6 and the clamping inner diameter formed by a group of clamping rods 10 are changed synchronously.

[0038] A wire end positioning mechanism is installed on the top surface of the winding clamping mechanism;

[0039] The wire end positioning mechanism includes an aluminum-magnesium soft rod 15 fixedly connected to the supporting rotating frame 6. The layout angle and shape of the aluminum-magnesium soft rod 15 can be freely changed, and after the angle and shape of the aluminum-magnesium soft rod 15 are changed, the changed shape and angle can be self-limited;

[0040] An outer clamp 16 is fixedly installed on the top of the aluminum-magnesium soft rod 15, and an inner clamp 17 is hinged on the inner wall of the outer clamp 16. A torsion spring is fixedly arranged at the hinge between the outer clamp 16 and the inner clamp 17. The function of the torsion spring is to make the inner clamp cavity have a tendency to automatically clamp in the direction of the outer clamp 16.

[0041] The outer clamp 16 and the inner clamp 17 are both arc-shaped structures, and a silicone clip is installed on the surface of the outer clamp 16 opposite to the inner clamp 17 and on the side of the inner clamp 17 opposite to the outer clamp 16. Through the arrangement of the outer clamp 16 and the inner clamp 17, a group of end wires 3 on the winding body 2 can be effectively positioned;

[0042] A guide frame 4 is fixedly installed on the upper part of the frame 1, and the inner wall of the guide frame 4 is slidably connected with a wire end processing mechanism and a terminal welding mechanism. Two horizontally arranged shift push rods 5 are installed inside the guide frame 4, and the movable ends of the two shift push rods 5 are fixedly connected with the wire end processing mechanism and the terminal welding mechanism respectively;

[0043] The wire end processing mechanism includes a processing table 18 and a cutting plate 19 which are slidably connected to the guide frame 4, the surface of the processing table 18 is fixedly connected to a shift push rod 5, the inner wall of the processing table 18 is rotatably connected to a rotating frame 20, a servo motor 21 is fixedly installed on the top surface of the processing table 18, the output shaft end of the servo motor 21 is fixedly connected to the rotating frame 20, a vertically arranged first screw rod lifting module 22 is installed on the inner wall of the rotating frame 20, the peripheral side of the first screw rod lifting module 22 is transmission-connected to a transmission frame 23, the peripheral side of the transmission frame 23 is slidably connected to the rotating frame 20, a horizontally arranged screw rod pitch adjustment module 24 is installed inside the transmission frame 23, and the peripheral side of the screw rod pitch adjustment module 24 is transmission-connected to two symmetrically arranged and adjustable-distance wire clamps 25;

[0044] A vertically arranged semi-arc clamping cavity 26 is fixedly provided inside the wire clamp 25, and a semi-arc clamping block is installed at the bottom of the semi-arc clamping cavity 26, and the semi-arc pad is made of silicone material;

[0045] A cutting groove 27 connected to the semi-arc clamping cavity 26 is fixedly provided on the upper part of the wire clamp 25, and a group of horizontally arranged cutting push rods 28 are installed on the top surface of the transmission frame 23. The movable ends of the group of cutting push rods 28 are fixedly connected to the cutting plate 19. A cutter 29 is fixedly installed on one surface of the cutting plate 19 opposite to the cutting groove 27, and the cross-section of the cutter 29 is "V" shaped.

[0046] The screw pitch adjustment module 24 includes an adjustment motor fixedly connected to the transmission frame 23 and an adjustment screw rotatably connected to the inner wall of the transmission frame 23. The peripheral side of the adjustment screw is symmetrically provided with a positive thread portion and a reverse thread portion. The output shaft end of the adjustment motor is fixedly connected to the adjustment screw. The peripheral side of the positive thread portion and the reverse thread portion are respectively connected to the two wire clamps 25.

[0047] By setting the forward threaded portion and the reverse threaded portion, the two wire clamps 25 can be synchronously moved closer to each other or moved away from each other, and the distance between the two wire clamps 25 is changed by the two wire clamps 25 being synchronously moved closer to each other or moving away from each other.

[0048] The terminal welding mechanism includes a welding frame 30 slidably connected to the guide frame 4, the surface of the welding frame 30 is fixedly connected to another displacement push rod 5, and a second screw lifting module 31 is vertically installed inside the welding frame 30;

[0049] The first screw rod lifting module 22 and the second screw rod lifting module 31 both include a vertically arranged lifting screw and a lifting motor driving the lifting screw to rotate;

[0050] The side surface of the second screw lifting module 31 is connected to a welding platform 32 in a transmission manner. The side surface of the welding platform 32 is slidably connected to the welding frame 30. The welding frame 30 is fixedly provided with a terminal receiving groove 33 with a top opening. The terminal receiving groove 33 is used to place the finished terminal.

[0051] A wire entry tube which is vertically arranged and connected to the terminal receiving groove 33 is fixedly installed at the bottom end of the soldering station 32, a bracket is fixedly installed on the surface of the soldering station 32, a group of pressure push rods 34 are fixedly installed on the side of the bracket opposite to the terminal receiving groove 33, a welding pressure head 35 which cooperates with the terminal receiving groove 33 is fixedly installed on the movable end of the pressure push rod 34, and a surface of the wire entry tube and the terminal receiving groove 33 opposite to the welding pressure head 35 are both provided with a stripping notch 36.

[0052] The device is mainly suitable for welding positioning operations of motor winding terminals. When in use, the winding body 2 is placed on the supporting rotating frame 6. After the winding body 2 is placed, under the action of the clamping push rod, the position of a group of clamping rods 10 is changed synchronously, and then the winding body 2 is clamped. After the winding body 2 is clamped, the aluminum-magnesium soft rod 15 is used to change the spatial layout position and layout angle of the outer clamp 16 and the inner clamp 17. After the spatial layout position and layout angle of the outer clamp 16 and the inner clamp 17 are changed, the outer clamp 16 and the inner clamp 17 cooperate with each other to preliminarily position a group of end wires 3 on the winding body 2. After the end wire 3 is positioned, under the action of the rotating motor 8 and the shifting push rod 5, the end wire 3 to be processed is moved to the bottom of the wire clamp 25. After the movement is completed, the end wire 3 is clamped between the two wire clamps 25 with the assistance of manual labor. After clamping, the cutting push rod 28 drives the cutter 29 to operate, and then the redundant part of the end wire 3 is cut. The wire end processing mechanism 20 is automatically reset, and the end wire 3 is moved to the bottom of the terminal welding mechanism under the action of the rotating motor 8. When the terminal welding mechanism is working, the terminal to be welded is placed in the terminal receiving groove 33. After placement, the twisted end wire 3 is inserted into the interior of the terminal through the wire entry tube. After the insertion is completed, the welding pressure head 35 presses the terminal for welding. After the pressing is completed, the welding table 32 moves down to a set height. After moving down, the welding frame 30 moves horizontally, so that the finished terminal end wire 3 after welding is removed from the stripping notch 36. After the welding process of one end wire 3 is completed, the above operation is repeated to complete the continuous processing of the end wire 3.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A motor winding terminal welding positioning protection device, comprising a frame (1), characterized in that: A winding body (2) is movably placed on the top of the frame (1), and a plurality of end wires (3) are arranged on the top of the winding body (2). A winding clamping mechanism that drives the winding body (2) to rotate in a controlled manner is installed at the bottom of the frame (1). A guide frame (4) is fixedly installed on the top of the frame (1). The inner wall of the guide frame (4) is slidably connected to a wire end processing mechanism and a terminal welding mechanism. Two horizontally arranged shift push rods (5) are installed inside the guide frame (4). The movable ends of the two shift push rods (5) are fixedly connected to the wire end processing mechanism and the terminal welding mechanism respectively. A wire end positioning mechanism is installed on the top surface of the winding clamping mechanism. The wire end positioning mechanism comprises an aluminum-magnesium soft rod (15) fixedly connected to the supporting rotating frame (6), an outer clamp (16) is fixedly installed on the top of the aluminum-magnesium soft rod (15), an inner clamp (17) is hingedly connected to the inner wall of the outer clamp (16), a torsion spring is fixedly arranged at the hinge between the outer clamp (16) and the inner clamp (17), the outer clamp (16) and the inner clamp (17) are both arc-shaped structures, and a silicone clip is installed on the surface of the outer clamp (16) opposite to the inner clamp (17) and the side of the inner clamp (17) opposite to the outer clamp (16), and the wire end processing mechanism comprises a processing table (18) slidably connected to the guide frame (4) and a cutting plate (19), the surface of the processing table (18) is fixedly connected to a displacement push rod (5), the inner wall of the processing table (18) is rotatably connected to a rotating frame (20), a servo motor (21) is fixedly installed on the top surface of the processing table (18), the output shaft end of the servo motor (21) is fixedly connected to the rotating frame (20), the inner wall of the rotating frame (20) is installed with a vertically arranged first screw lifting module (22), the peripheral side surface of the first screw lifting module (22) is transmission-connected to a transmission frame (23), the peripheral side surface of the transmission frame (23) is slidably connected to the rotating frame (20), and a water-tight seal is installed inside the transmission frame (23). A screw pitch adjustment module (24) is arranged horizontally, and the side surface of the screw pitch adjustment module (24) is transmission-connected to two symmetrically arranged wire clamps (25) with adjustable spacing, the inside of the wire clamp (25) is fixedly provided with a vertically arranged semi-arc clamping cavity (26), and the upper part of the wire clamp (25) is fixedly provided with a cutting groove (27) connected to the semi-arc clamping cavity (26), and the top surface of the transmission frame (23) is installed with a group of horizontally arranged cutting push rods (28), and the movable ends of the group of cutting push rods (28) are fixedly connected to the cutting plate (19), and a cutting knife (29) is fixedly installed on a surface of the cutting plate (19) opposite to the cutting groove (27).

2. A motor winding terminal welding positioning protection device according to claim 1, characterized in that: The winding clamping mechanism comprises a supporting rotating frame (6) rotatably connected to the frame (1); a rotating shaft (7) is installed at the bottom axis position of the supporting rotating frame (6); the peripheral side surface of the rotating shaft (7) is rotatably connected to the frame (1); a rotating motor (8) connected to the rotating shaft (7) is installed inside the frame (1); a group of clamping seats (9) distributed in a circumferential array are slidably connected to the inner wall of the supporting rotating frame (6); a winding body is fixedly installed on the top of each clamping seat (9). The rotating shaft (7) is provided with a clamping rod (10) matched with the body (2), the peripheral side surface of the rotating shaft (7) is slidably connected with a transmission ring (11), the bottom surface of the transmission ring (11) is rotatably connected with a lifting plate (12), both ends of the lifting plate (12) are slidably connected with the frame (1), a group of vertically arranged clamping push rods (13) are installed between the relative surfaces of the lifting plate (12) and the frame (1), and a connecting rod (14) is hinged between each relative surface of the clamping seat (9) and the transmission ring (11).

3. A motor winding terminal welding positioning protection device according to claim 2, characterized in that: A driven bevel gear is fixedly mounted on the bottom end of the rotating shaft (7), a transmission bevel gear meshing with the driven bevel gear is fixedly mounted on the output shaft end of the rotating motor (8), and the cross section of the clamping rod (10) is circular.

4. A motor winding terminal welding positioning protection device according to claim 3, characterized in that: The screw pitch adjustment module (24) comprises an adjustment motor fixedly connected to the transmission frame (23) and an adjustment screw rotatably connected to the inner wall of the transmission frame (23); the circumferential side surface of the adjustment screw is symmetrically provided with a forward threaded portion and a reverse threaded portion; the output shaft end of the adjustment motor is fixedly connected to the adjustment screw; and the circumferential side surfaces of the forward threaded portion and the reverse threaded portion are respectively transmission-connected to two wire clamps (25).

5. A motor winding terminal welding positioning protection device according to claim 4, characterized in that: The cross section of the cutting knife (29) is "V"-shaped, and a semi-arc clamping block is installed at the bottom of the semi-arc clamping cavity (26), and the semi-arc clamping block is made of silicone material.

6. A motor winding terminal welding positioning protection device according to claim 5, characterized in that: The terminal welding mechanism comprises a welding frame (30) slidably connected to the guide frame (4); the surface of the welding frame (30) is fixedly connected to the other displacement push rod (5); a second screw rod lifting module (31) is vertically installed inside the welding frame (30); the peripheral side surface of the second screw rod lifting module (31) is drivingly connected to a welding platform (32); the peripheral side surface of the welding platform (32) is slidably connected to the welding frame (30); and a terminal receiving groove (33) with a top opening is fixedly opened inside the welding frame (30). The bottom end of the soldering station (32) is fixedly provided with a wire entry tube which is vertically arranged and communicates with the terminal receiving groove (33); a bracket is fixedly provided on the surface of the soldering station (32); a group of pressure push rods (34) are fixedly provided on a side of the bracket opposite to the terminal receiving groove (33); a welding pressure head (35) which cooperates with the terminal receiving groove (33) is fixedly provided on the movable end of the pressure push rod (34); and a stripping notch (36) is provided on a surface of the wire entry tube and the terminal receiving groove (33) opposite to the welding pressure head (35).

7. A motor winding terminal welding positioning protection device according to claim 6, characterized in that: The first screw lifting module (22) and the second screw lifting module (31) both comprise a vertically arranged lifting screw and a lifting motor for driving the lifting screw to rotate.

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