Motor flange spin riveting device and method

Abstract

The motor flange spin riveting device comprises a machining table, and a feeding and discharging conveying belt, a material moving mechanical arm, a spin riveting mechanism, a flatness detection mechanism and a waste recovery unit are arranged on the machining table; the spin riveting mechanism, the flatness detection mechanism and the waste recovery unit are sequentially distributed in the material moving direction of the material moving mechanical arm. The material moving mechanical arm is used for taking and placing workpieces from the feeding and discharging conveying belt. The spin riveting mechanism comprises a material carrying table, a material carrying tray and a transverse moving unit for driving the material carrying tray to transversely move, and the material carrying tray is transversely and rotationally connected with the movable end of the transverse moving unit; a riveting frame is arranged on the material carrying table, and a riveting unit, a pressing head for pressing a flange and a lifting unit for driving the pressing head to ascend and descend are arranged on the riveting frame; according to the invention, automatic riveting detection can be realized, automatic initialization can be realized during riveting, the riveting position can be found accurately, the rotation of the motor shell during riveting is completed in a pressing state, the time consumption of the link can be effectively saved, and the riveting efficiency is obviously improved.

Description

Technical Field

[0001] The present invention relates to the technical field of motor processing, and more specifically to a motor flange riveting device and method. Background Art

[0002] The machining process of some motors involves the process of riveting a flange at the end of the motor housing. When performing this process, multiple riveting structures are often formed on the housing, and corresponding riveting grooves are formed on the flange. Each position is riveted one by one and rotated at a certain angle after each riveting. Although this method can complete the riveting, the workpiece is prone to shaking during riveting and needs to be re-tightened and repositioned, which makes the efficiency of the entire riveting very low. Taking a motor with 8 riveting feet as an example, it usually takes more than 1 minute to complete the riveting operation of the 8 feet. There is a need for a motor flange riveting device and method that can improve the flange riveting efficiency. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a motor flange riveting device and a motor flange riveting method in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A motor flange riveting device is constructed, which includes a processing table, on which a loading and unloading conveyor belt, a material shifting robot, a riveting mechanism, a flatness detection mechanism and a waste recovery unit are arranged; the riveting mechanism, the flatness detection mechanism and the waste recovery unit are distributed in sequence along the material shifting direction of the material shifting robot; the material shifting robot is used to pick up and place workpieces from the loading and unloading conveyor belt; the riveting mechanism includes a loading platform, a loading tray and a transverse movement unit that drives the loading tray to move transversely, and the loading tray is laterally rotatably connected to the movable end of the transverse movement unit; a riveting frame is arranged on the loading platform, and a riveting unit, a pressing head for pressing the flange and a lifting unit for driving the pressing head to rise and fall are arranged on the riveting frame; the pressing head includes a connecting arm, and a first pressing arm and a second pressing arm, both of which are arc-shaped, are arranged at the front end of the connecting arm; the first pressing arm and the second pressing arm enclose a pressing arm to form a pressing arm Ring, and there are gaps at both ends of the first pressing arm and the second pressing arm; of the two gaps, one is used for the passage of the power shaft, and the other is directly opposite to the riveting head of the riveting unit and has a guiding surface on the circumferential side surface; the lower surfaces of the first pressing arm and the second pressing arm are both provided with avoidance grooves for avoiding the un-riveted connecting head on the motor housing; the lower surface of the connecting arm is provided with a toggle wheel for rotating the motor housing and a driving unit for driving the toggle wheel to rotate, the driving unit includes a sensor, a delay relay, a driving motor and an initialization unit, the sensor senses that the riveting head has riveted downward once and then sends an induction signal to control the driving motor to delay operation once under the action of the delay relay, and the motor drives the toggle wheel to rotate when it runs; the initialization unit is used to control the operation of the driving motor to rotate the motor housing to a set initial position.

[0006] The motor flange riveting device described in the present invention is characterized in that the driving motor is invertedly mounted on the lower surface of the connecting arm; the initialization unit includes a sensing head penetrated through the guide surface, and the sensing head is used to sense the notch groove on the flange; when initializing, the driving motor drives the connecting arm, records the notch groove position sensed by the sensing head, and selects any notch groove position as the initial position, controls the driving motor to rotate the motor housing, and makes the selected notch groove reach the initial position; when in the initial position, an un-riveted connecting head on the motor housing reaches the riveting position.

[0007] The motor flange riveting device described in the present invention, wherein the initialization unit includes a driven gear rotatably arranged on the lower surface of the connecting arm and a rotary encoder for detecting the driven gear, a driving gear is coaxially arranged on the toggle wheel, and the driving gear is meshed with the driven gear; the driven gear is located on the rear side of the toggle wheel.

[0008] The motor flange riveting device described in the present invention is characterized in that a longitudinal mounting plate is longitudinally slidably arranged on the riveting frame, and the connecting arm and the reinforcing plate are fixed on the mounting plate; the reinforcing plate is longitudinally arranged and one side edge is fixedly connected to the mounting plate, and the bottom edge is fixedly connected to the connecting arm.

[0009] The motor flange riveting device described in the present invention, wherein the lifting unit includes a lifting cylinder and a coupling, and the coupling is connected to the lower end of the mounting plate.

[0010] The motor flange riveting device of the present invention is characterized in that a slide rail slider connected to the mounting plate is provided on the riveting frame.

[0011] The motor flange riveting device of the present invention is characterized in that a plurality of glass beads for pressing the upper surface of the motor casing are arranged on the inner top of the avoidance groove.

[0012] The motor flange riveting device described in the present invention, wherein the flatness detection mechanism includes a detection frame and a cylinder that drives the detection frame to rise and fall, and the detection frame is provided with a detection cylinder and a pressure sensor that monitors the pressure of the detection cylinder; the outer diameter of the detection cylinder is equivalent to the motor housing.

[0013] The motor flange riveting device described in the present invention, wherein the detection frame includes a vertical plate, a horizontal plate is fixed at the lower end of the vertical plate, a plurality of guide rods are fixed on the horizontal plate, the detection tube is slidably passed through the guide rod, a first spring is sleeved on the guide rod, one end of the first spring is connected to the horizontal plate, and the other end is connected to the detection tube; an inverted concave frame for mounting the pressure sensor is provided on the horizontal plate, a second spring for transmitting pressure is passed on the horizontal plate, one end of the second spring is connected to the detection tube, and the other end is connected to the detection end of the pressure sensor.

[0014] A motor flange riveting method, using the motor flange riveting device as described above, wherein the method comprises the steps of:

[0015] After the flange is put on the motor housing, it is transported to the material taking position by the loading and unloading conveyor belt. The material transfer robot takes the material and places it on the loading tray.

[0016] The lateral movement unit moves the loading tray to the bottom of the riveting unit, and the motor shaft passes through the gap on the outside. At the same time, the lifting unit drives the pressing head down, and the unriveted connector on the motor housing enters the avoidance groove. The toggle wheel contacts and presses the motor housing laterally.

[0017] The initialization unit controls the operation of the driving motor and rotates the motor housing to a set initial position;

[0018] Execute riveting operation: the riveting unit runs and drives the riveting head to move downward for one time. After the sensor senses that the riveting head moves downward for one time, it sends a sensing signal to control the driving motor to delay running once under the action of the delay relay. When the motor runs, it drives the toggle wheel to rotate;

[0019] Repeat the riveting operation until the riveting is completed;

[0020] The lateral movement unit operates to move the loading tray to reset, and the material transfer robot grabs the motor housing and moves it to the flatness detection mechanism to detect the flatness of the upper surface of the motor housing;

[0021] The material transfer robot puts the motor casings that do not meet the flatness requirements into the waste recovery unit, and moves the motor casings that meet the flatness requirements back to the loading and unloading conveyor belt.

[0022] The beneficial effects of the present invention are as follows: after the flange is sleeved on the motor casing, it is transported to the material picking position by the loading and unloading conveyor belts, and the material transfer robot picks up the material and places it on the loading tray; the lateral movement unit operates to move the loading tray to the right below the riveting unit, and the motor shaft passes through the outer gap, while the lifting unit operates to drive the pressing head down, and the unriveted connector on the motor casing enters the avoidance groove, and the toggle wheel contacts and laterally presses the motor casing; the initialization unit controls the driving motor to operate and rotates the motor casing to the set initial position; the riveting operation is performed: the riveting unit operates to drive the riveting head The ram moves downward to perform riveting once. After the sensor senses that the ram has moved downward to perform riveting once, it sends a sensing signal to control the drive motor to delay operation once under the action of the delay relay. When the motor is running, the transmission unit drives the toggle wheel to rotate; the riveting operation is repeated until the riveting is completed; the transverse unit moves and resets the loading tray, and the material transfer robot grabs the motor housing and moves it to the flatness detection mechanism to detect the flatness of the upper surface of the motor housing; the material transfer robot puts the motor housing that does not meet the flatness requirements into the waste recovery unit, and the motor housing that meets the flatness requirements is moved back to the loading and unloading conveyor belt;

[0023] By applying the improved method of the present application, automatic riveting detection can be realized. During riveting, automatic initialization can be achieved to find the correct riveting position. At the same time, the rotation of the motor housing during riveting is completed in the holding state, which can effectively save the time of this link. Taking a motor with 8 riveting feet as an example, the time to complete the riveting operation of 8 feet can be shortened to less than 30 seconds, which significantly improves the riveting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work:

[0025] Figure 1 It is a structural schematic diagram of a motor flange riveting device according to a preferred embodiment of the present invention;

[0026] Figure 2 1 is a top view of a motor flange riveting device according to a preferred embodiment of the present invention;

[0027] Figure 3 yes Figure 1 The enlarged schematic diagram at A in the middle;

[0028] Figure 4 It is a schematic diagram of the structure of the riveting mechanism of the motor flange riveting device of the preferred embodiment of the present invention;

[0029] Figure 5 It is a schematic diagram of the assembly structure of the motor driving motor of the motor flange riveting device according to a preferred embodiment of the present invention;

[0030] Figure 6 This is a principle block diagram of an initialization unit of a motor flange riveting device according to a preferred embodiment of the present invention;

[0031] Figure 7 It is a schematic diagram of the motor structure after the motor flange is riveted by the motor flange riveting device of the preferred embodiment of the present invention;

[0032] Figure 8 The present invention is a flow chart of a motor flange riveting method according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the following will be described clearly and completely in combination with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are partial embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention.

[0034] The motor flange riveting device of the preferred embodiment of the present invention is as follows: Figure 1 See also Figure 2-Figure 7 , including a processing table 1, on which a loading and unloading conveyor belt 2, a material transfer robot 3, a riveting mechanism 4, a flatness detection mechanism 5 and a waste recovery unit 6 are arranged; the riveting mechanism 4, the flatness detection mechanism 5 and the waste recovery unit 6 are sequentially distributed along the material transfer direction of the material transfer robot 3; the material transfer robot 3 is used to take and place workpieces from the loading and unloading conveyor belt 2;

[0035] The rotary riveting mechanism 4 includes a loading platform 40, a loading tray 41 and a lateral movement unit 42 for driving the loading tray 41 to lateral movement, and the loading tray 41 is lateral rotationally connected to the movable end of the lateral movement unit 42; a riveting press frame 43 is provided on the loading platform 40, and a riveting press unit 44, a holding head 45 for holding the flange, and a lifting unit 46 for driving the holding head 45 to rise and fall are provided on the riveting press frame 43;

[0036] The pressing head 45 includes a connecting arm 450, and the front end of the connecting arm 450 is provided with a first pressing arm 451 and a second pressing arm 452, both of which are arc-shaped; the first pressing arm 451 and the second pressing arm 452 are enclosed to form a pressing ring, and there are gaps between the two ends of the first pressing arm 451 and the two ends of the second pressing arm 452; one of the two gaps is used for the passage of the motor shaft, and the other is directly opposite to the riveting head of the riveting unit 44 and has a guide surface 453 on the circumferential side surface; the lower surfaces of the first pressing arm 451 and the second pressing arm 452 are both provided with an avoidance groove 454 for avoiding the unriveted connector on the motor housing; the connecting arm 4 The lower surface of the 50 is provided with a toggle wheel 455 for rotating the motor housing and a driving unit 456 for driving the toggle wheel to rotate. The driving unit 456 includes a sensor 4560, a delay relay 4561, a driving motor 4562 and an initialization unit 4563. After the sensor 4560 senses that the riveting head has riveted downward once, it sends a sensing signal to control the driving motor 4562 to delay running once under the action of the delay relay 4561. When the driving motor 4562 runs, it drives the toggle wheel 455 to rotate; the initialization unit 4563 is used to control the driving motor 4562 to run and rotate the motor housing to a set initial position;

[0037] After the flange is sleeved on the motor housing, it is transported to the material taking position by the loading and unloading conveyor belt 2, and the material transfer robot 3 takes the material and places it on the loading tray 41;

[0038] The lateral movement unit 42 moves the loading tray 41 to the right below the riveting unit 44, and the motor shaft passes through the outer gap. At the same time, the lifting unit 46 drives the pressing head 45 to descend, and the unriveted connector on the motor housing enters the avoidance groove 454, and the toggle wheel 455 contacts and presses the motor housing laterally;

[0039] The initialization unit 4563 controls the driving motor 4562 to operate and rotate the motor housing to a set initial position;

[0040] Execute riveting operation: the riveting unit 44 runs to drive the riveting head to move downward for one time, and after the sensor senses that the riveting head moves downward for one time, it sends a sensing signal to control the driving motor to delay running once under the action of the delay relay, and the driving motor drives the toggle wheel to rotate when it runs;

[0041] Repeat the riveting operation until the riveting is completed;

[0042] The lateral movement unit 42 operates to move the material loading tray 41 to reset, and the material moving manipulator 3 grabs the motor housing and moves to the flatness detection mechanism 5 to detect the flatness of the upper surface of the motor housing;

[0043] The material transfer robot 3 puts the motor housing that does not meet the flatness requirement into the waste recovery unit 6, and transfers the motor housing that meets the flatness requirement back to the loading and unloading conveyor belt 1;

[0044] By applying the improved method of the present application, automatic riveting detection can be realized. During riveting, automatic initialization can be achieved to find the correct riveting position. At the same time, the rotation of the motor housing during riveting is completed in the holding state, which can effectively save the time of this link. Taking a motor with 8 riveting feet as an example, the time to complete the riveting operation of 8 feet can be shortened to less than 30 seconds, which significantly improves the riveting efficiency.

[0045] Preferably, the drive motor 4562 is invertedly mounted on the lower surface of the connecting arm 450; the initialization unit includes a sensing head 45630 4563 inserted into the guide surface, and the sensing head 45630 is used to sense the notch groove on the flange; during initialization, the drive motor 4562 drives the motor housing to rotate, records the notch groove position sensed by the sensing head 45630, and selects any notch groove position as the initial position, controls the drive motor 4562 to rotate so that the motor housing rotates, so that the selected notch groove reaches the initial position; when it is in the initial position, an un-riveted connector on the motor housing reaches the riveting position; in this way, the positioning mechanism can be omitted, and initialization and positioning can be automatically performed. After initialization, the riveting operation at the first connector can be performed directly. After this riveting operation, the flange and the motor housing have a preliminary connection (one foot completes the riveting), and the subsequent action can find the rotation drive angle very accurately through the recorded notch groove position to ensure the processing accuracy.

[0046] Preferably, the initialization unit 4563 includes a driven gear 45631 rotatably arranged on the lower surface of the connecting arm 450 and a rotary encoder 45632 for detecting the driven gear. A driving gear 4550 is coaxially arranged on the toggle wheel 455, and the driving gear 4550 is meshed with the driven gear 45631; the driven gear 45631 is located on the rear side of the toggle wheel 455; the driven gear 45631 can serve as a transition to facilitate the rotary encoder 45632 to obtain the actual number of rotations of the toggle wheel 455 for precise measurement, and also provides a supporting force for the toggle wheel 455 to ensure the reliability of the toggle wheel 455.

[0047] Preferably, a longitudinal mounting plate 430 is longitudinally slidably arranged on the riveting frame 43, and a connecting arm 450 and a reinforcing plate 431 are fixed on the mounting plate 430; the reinforcing plate 431 is longitudinally arranged and one side edge is fixedly connected to the mounting plate 430, and the bottom edge is fixedly connected to the connecting arm 450; the lifting unit 46 includes a lifting cylinder 460 and a coupling 461, and the coupling 461 is connected to the lower end of the mounting plate 430; a sliding rail slider 432 connected to the mounting plate 430 is arranged on the riveting frame 43; the structure is simple, reasonable and compact, and has high strength.

[0048] Preferably, a plurality of glass beads for pressing the upper surface of the motor housing are provided on the inner top of the avoidance groove 454, thereby ensuring the pressing effect while ensuring the smoothness of the rotation of the motor housing.

[0049] Preferably, the flatness detection mechanism 5 includes a detection frame 50 and a cylinder 51 for driving the detection frame to rise and fall. The detection frame 50 is provided with a detection cylinder 52 and a pressure sensor 53 for monitoring the pressure of the detection cylinder; the outer diameter of the detection cylinder 52 is equivalent to the motor housing; the detection frame 50 includes a vertical plate 500, a horizontal plate 501 is fixed at the lower end of the vertical plate 500, and a plurality of guide rods 502 are fixed on the horizontal plate 501, and the detection cylinder 52 is slidably passed through the guide rod 502, and a first spring is sleeved on the guide rod 502, one end of the first spring is connected to the horizontal plate 501, and the other end is connected to the horizontal plate 501. Detection cylinder 52; an inverted concave frame 503 for installing a pressure sensor is provided on the horizontal plate 501, and a second spring 504 for transmitting pressure is passed through the horizontal plate 501, one end of the second spring 504 is connected to the detection cylinder 52, and the other end is connected to the detection end of the pressure sensor 53; during detection, the detection cylinder 52 is driven downward by the cylinder 51, and the pressure sensor reading is used to convert the corresponding height value of the detection cylinder 52. If the riveting is relatively flat at this time, the height value will meet the set threshold, otherwise it will exceed the set value, thereby achieving the effect of quickly detecting the flatness.

[0050] A motor flange riveting method, using the motor flange riveting device as described above, such as Figure 8 As shown, the method comprises the steps of:

[0051] S01: After the flange is mounted on the motor housing, it is transported to the material taking position by the loading and unloading conveyor belt. The material transfer robot takes the material and places it on the loading tray.

[0052] S02: The lateral movement unit moves the loading tray to the bottom of the riveting unit, and the motor shaft passes through the gap on the outside. At the same time, the lifting unit drives the pressing head down, and the unriveted connector on the motor housing enters the avoidance groove. The toggle wheel contacts and presses the motor housing laterally.

[0053] S03: The initialization unit controls the driving motor to operate and rotates the motor housing to a set initial position;

[0054] S04: Execute riveting operation: the riveting unit runs and drives the riveting head to move downward and perform riveting once. After the sensor senses that the riveting head moves downward and performs riveting once, it sends a sensing signal to control the driving motor to delay running once under the action of the delay relay. When the driving motor runs, it drives the toggle wheel to rotate;

[0055] S05: Repeat the riveting operation until the riveting is completed;

[0056] S06: The lateral movement unit operates to move the loading tray to reset, and the material transfer robot grabs the motor housing and moves it to the flatness detection mechanism to detect the flatness of the upper surface of the motor housing;

[0057] S07: The material transfer robot puts the motor housing that does not meet the flatness requirements into the waste recovery unit, and transfers the motor housing that meets the flatness requirements back to the loading and unloading conveyor belt;

[0058] By applying the improved method of the present application, automatic riveting detection can be realized. During riveting, automatic initialization can be achieved to find the correct riveting position. At the same time, the rotation of the motor housing during riveting is completed in the holding state, which can effectively save the time of this link. Taking a motor with 8 riveting feet as an example, the time to complete the riveting operation of 8 feet can be shortened to less than 30 seconds, which significantly improves the riveting efficiency.

[0059] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the appended claims of the present invention.

Claims

1. A motor flange riveting device, characterized in that: The present invention comprises a processing table, on which a loading and unloading conveyor belt, a material shifting robot, a riveting mechanism, a flatness detection mechanism and a waste recovery unit are arranged; the riveting mechanism, the flatness detection mechanism and the waste recovery unit are sequentially distributed along the material shifting direction of the material shifting robot; the material shifting robot is used to pick up and place workpieces from the loading and unloading conveyor belt; the riveting mechanism comprises a loading platform, a loading tray and a transverse movement unit that drives the loading tray to move transversely, and the loading tray is laterally rotatably connected to the movable end of the transverse movement unit; a riveting frame is arranged on the loading platform, and a riveting unit, a pressing head for pressing a flange and a lifting unit for driving the pressing head to rise and fall are arranged on the riveting frame; the pressing head comprises a connecting arm, and a first pressing arm and a second pressing arm, both of which are arc-shaped, are arranged at the front end of the connecting arm; the first pressing arm and the second pressing arm are enclosed to form a pressing ring, and the first pressing arm There are gaps at both ends of the arm and at both ends of the second pressing arm; of the two gaps, one is used for the passage of the power shaft, and the other is directly opposite to the riveting head of the riveting unit and has a guiding surface on the circumferential side surface; the lower surfaces of the first pressing arm and the second pressing arm are both provided with avoidance grooves for avoiding the un-riveted connecting heads on the motor housing; the lower surface of the connecting arm is provided with a toggle wheel for rotating the motor housing and a driving unit for driving the toggle wheel to rotate, the driving unit includes a sensor, a delay relay, a driving motor and an initialization unit, the sensor senses that the riveting head has riveted downward once, and then sends a sensing signal to control the driving motor to delay operation once under the action of the delay relay, and the driving motor drives the toggle wheel to rotate when it runs; the initialization unit is used to control the operation of the driving motor to rotate the motor housing to a set initial position.

2. The motor flange riveting device according to claim 1, characterized in that: The driving motor is installed in an inverted position on the lower surface of the connecting arm; the initialization unit includes a sensing head penetrated on the guide surface, and the sensing head is used to sense the notch groove on the flange; during initialization, the driving motor drives the connecting arm, records the notch groove position sensed by the sensing head, and selects any notch groove position as the initial position, controls the driving motor to rotate the motor housing, and makes the selected notch groove reach the initial position; when at the initial position, an un-riveted connecting head on the motor housing reaches the riveting position.

3. The motor flange riveting device according to claim 2, characterized in that: The initialization unit includes a driven gear rotatably arranged on the lower surface of the connecting arm and a rotary encoder for detecting the driven gear, and a driving gear is coaxially arranged on the toggle wheel, and the driving gear is meshed with the driven gear; The driven gear is located at the rear side of the shifting wheel.

4. The motor flange riveting device according to claim 1, characterized in that: A longitudinal mounting plate is longitudinally slidably arranged on the riveting frame, and the connecting arm and the reinforcing plate are fixed on the mounting plate; the reinforcing plate is longitudinally arranged, and one side edge is fixedly connected to the mounting plate, and the bottom edge is fixedly connected to the connecting arm.

5. The motor flange riveting device according to claim 4, characterized in that: The lifting unit includes a lifting cylinder and a coupling, and the coupling is connected to the lower end of the mounting plate.

6. The motor flange riveting device according to claim 4, characterized in that: The riveting frame is provided with a slide rail slider connected to the mounting plate.

7. The motor flange riveting device according to claim 1, characterized in that: The inner top of the avoidance groove is provided with a plurality of glass beads for pressing the upper surface of the motor housing.

8. The motor flange riveting device according to claim 1, characterized in that: The flatness detection mechanism comprises a detection frame and a cylinder for driving the detection frame to rise and fall. The detection frame is provided with a detection cylinder and a pressure sensor for monitoring the pressure of the detection cylinder. The outer diameter of the detection cylinder is equivalent to the motor housing.

9. The motor flange riveting device according to claim 8, characterized in that: The detection frame includes a vertical plate, a horizontal plate is fixed at the lower end of the vertical plate, a plurality of guide rods are passed through and fixed on the horizontal plate, the detection tube is slidably passed through the guide rods, a first spring is sleeved on the guide rods, one end of the first spring is connected to the horizontal plate, and the other end is connected to the detection tube; an inverted concave frame for mounting the pressure sensor is provided on the horizontal plate, a second spring for transmitting pressure is passed through the horizontal plate, one end of the second spring is connected to the detection tube, and the other end is connected to the detection end of the pressure sensor.

10. A motor flange riveting method, using the motor flange riveting device as claimed in any one of claims 1 to 9, characterized in that: The method comprises the steps of: After the flange is put on the motor housing, it is transported to the material taking position by the loading and unloading conveyor belt. The material transfer robot takes the material and places it on the loading tray. The lateral movement unit moves the loading tray to the bottom of the riveting unit, and the motor shaft passes through the gap on the outside. At the same time, the lifting unit drives the pressing head down, and the unriveted connector on the motor housing enters the avoidance groove. The toggle wheel contacts and presses the motor housing laterally. The initialization unit controls the operation of the driving motor and rotates the motor housing to a set initial position; Execute riveting operation: the riveting unit runs and drives the riveting head to move downward for one time. After the sensor senses that the riveting head moves downward for one time, it sends a sensing signal to control the driving motor to delay running once under the action of the delay relay. When the driving motor runs, it drives the toggle wheel to rotate; Repeat the riveting operation until the riveting is completed; The lateral movement unit moves and resets the loading tray, and the material transfer robot grabs the motor housing and moves it to the flatness detection mechanism to detect the flatness of the upper surface of the motor housing; The material transfer robot puts the motor casings that do not meet the flatness requirements into the waste recovery unit, and moves the motor casings that meet the flatness requirements back to the loading and unloading conveyor belt.

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