Motor assembling device and method for automatically screwing motor

Abstract

The application discloses a motor assembling equipment and an automobile motor assembling method of automatic screwing, relates to the motor assembling field, and comprises a feeding module and a screwing module. The screwing module comprises a mounting plate and a plurality of screwing assemblies. The screwing assemblies are all mounted on the mounting plate. The screwing assemblies can move vertically. The screwing assembly comprises a screwing head, a screwing chuck and a transmission rod. The transmission rod can drive the screwing chuck to rotate. The feeding module can deliver screws into the screwing head. When the screwing head is lowered and abuts against a workpiece, the transmission rod is lowered and rotated in the screwing head. The position of the mounting block can be adjusted on the plane of the mounting plate, which greatly enhances the flexibility of the equipment, so that the equipment can adapt to the change of the screw hole spacing of workpieces of different specifications. The connecting rod is connected with the transmission rod through a universal joint. Even if the position of the transmission rod is changed due to the movement of the screwing head, the rotary power can still be effectively transmitted to the transmission rod, so that the screwing function is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of motor assembly, in particular to a motor assembly equipment and an automobile motor assembly method with automatic screwing. BACKGROUND

[0002] The automobile motor refers to the motor system applied in various automobiles, and its core function is to realize the conversion between electric energy and mechanical energy. With the promotion of automobile electrification, the automobile motor has become a core component of modern automobiles (especially new energy automobiles), and mainly includes two categories of driving motors and auxiliary motors.

[0003] A large number of assembly equipment is used in the production and manufacturing of automobile motors for assembling and fixing various parts, and the automatic screwing machine usually automatically sorts and transports screws by a feeding system (vibrating disc, feeding pipe), realizes accurate grabbing, positioning, screwing and torque control of the screws by a high-precision electric or pneumatic screwdriver (batch head) cooperating with a servo driving system, and ensures that each screw meets the preset tightening torque requirement.

[0004] Chinese patent application CN106849531A discloses an automatic screwing motor assembly line, which comprises a machine table, an automatic screwing machine A, an automatic screwing machine B, a mechanical hand, a positioning jig, a jig guide rail, a transmission positioning cylinder A, a transmission positioning cylinder B, a sliding block, a sliding block guide rail and a metal sensor. The automatic screwing machine A, the automatic screwing machine B and the mechanical hand are arranged on the machine table from left to right, jig guide rails are arranged on the front and back of the machine table, positioning jigs are arranged on the jig guide rails, a sliding block guide rail is arranged on the left side of the machine table, a sliding block guide rail is arranged between the automatic screwing machine B and the mechanical hand, sliding blocks are arranged on the two sliding block guide rails, a jig guide rail is arranged on the sliding blocks, the transmission positioning cylinder A and the transmission positioning cylinder B are arranged at the left front of the automatic screwing machine A and the automatic screwing machine B respectively, and the metal sensor is arranged at the bottom of the automatic screwing machine A and the automatic screwing machine B. A large amount of manpower is saved, and the production efficiency is improved.

[0005] Chinese patent application CN104810986A discloses a micro reduction motor assembly machine, which comprises a box-type machine frame, a man-machine controller, a reducer feeding mechanism, a reducer transposition mechanism, a motor feeding mechanism, a motor transposition mechanism, a screw feeding mechanism, a screw transposition and screwing mechanism and a finished product storage mechanism. The reducer feeding mechanism, the finished product storage mechanism and the motor feeding mechanism are installed along the horizontal axis on the workbench of the box-type machine frame. The reducer transposition mechanism is located on the left side of the reducer feeding mechanism, the motor transposition mechanism is located on the right side of the motor feeding mechanism, the screw transposition and screwing mechanism is arranged on the rear side of the finished product storage mechanism, the screw feeding mechanism is arranged on the left side of the screw transposition and screwing mechanism, the man-machine controller is installed on the left side of the screw feeding mechanism, and the inside of the box-type machine frame is provided with a control circuit. The micro reduction motor assembly machine can replace workers to assemble the micro reduction motor, improve the production efficiency and reduce the production cost.

[0006] The above patent and prior art also has the following defects:

[0007] The number of locking structures cannot be conveniently adjusted, and the motor assembly cannot be applied to different numbers of locking points. The spacing and position of the locking structures cannot be conveniently adjusted in multiple locking structures, resulting in low versatility of the equipment in motor assembly with different locking points, and the number and position of the locking points are inconvenient to adjust.

[0008] Therefore, the present application provides a motor assembly equipment and an automatic screwing automobile motor assembly method to meet the needs. SUMMARY

[0009] The purpose of the present application is to provide a motor assembly equipment and an automatic screwing automobile motor assembly method. The design of the installation longitudinal groove and the installation horizontal groove cooperates with the installation bolt, so that the position of the installation block can be adjusted on the plane of the installation plate, greatly enhancing the flexibility of the equipment, making it able to adapt to the change of the screw hole spacing on different specifications of workpieces. The connecting rod is connected to the transmission rod through the universal joint. Even if the position of the transmission rod changes due to the movement of the tightening head, the rotary power can still be effectively transmitted to the transmission rod, ensuring the realization of the tightening function.

[0010] To achieve the above purpose, the present application provides the following technical scheme: a motor assembly equipment, comprising a feeding module and a tightening module, the tightening module comprising an installation plate and a plurality of tightening assemblies, the plurality of tightening assemblies being installed on the installation plate, the tightening assemblies being vertically movable, the tightening assemblies comprising a tightening head, a tightening bit and a transmission rod, the transmission rod being capable of driving the tightening bit to rotate, the feeding module being capable of conveying a screw into the tightening head, when the tightening head descends and abuts against a workpiece, the transmission rod descends and rotates in the tightening head.

[0011] A plurality of installation longitudinal grooves are formed on the installation plate, the installation plate is provided with an installation block, the installation block is provided with an installation horizontal groove, and installation bolts are arranged in the installation longitudinal grooves and the installation horizontal groove, the tightening assembly further comprises a connecting rod, and the bottom of the connecting rod is connected to the transmission rod through a universal joint.

[0012] Preferably, the feeding module and the screwing module are jointly installed on the workbench, the screwing module further comprises a fixing rod, a fixing cylinder, a connecting plate, a fixing plate, a lifting cylinder and a rotating motor, the fixing rod is fixedly installed on the workbench, the connecting plate is fixedly installed on the fixing rod, the fixing cylinder is slidably sleeved on the fixing rod, the fixing plate is slidably sleeved on the fixing cylinder, the mounting plate is fixedly installed on the fixing cylinder, the lifting cylinder is fixedly installed on the connecting plate, the output end of the lifting cylinder is fixedly installed on the fixing plate, and the rotating motor is fixedly installed on the fixing plate.

[0013] Preferably, the screwing assembly further comprises a screwing pipe, a sliding spring and a sliding rod, the connecting rod is hollow, the sliding spring is sleeved on the sliding rod, the sliding rod is inserted into the connecting rod, the top of the sliding rod is installed on the output end of the rotating motor through a universal joint, the screwing head is fixedly installed at the bottom of the screwing pipe, the screwing pipe is fixedly installed on the mounting block, the transmission rod is slidably fitted in the screwing pipe, the connecting rod is provided with a moving groove, the sliding rod is fixedly installed with a linkage block, and the linkage block is slidably fitted in the moving groove.

[0014] Preferably, the screwing module further comprises a reset rod and a reset spring, the reset rod is fixedly installed on the fixing plate, the reset rod penetrates through the mounting plate and is slidably fitted with the mounting plate, a anti-dropping block is fixedly installed at the bottom of the reset rod and abuts against the mounting plate, the top of the reset spring is fixedly installed on the fixing plate, the bottom of the reset spring is fixedly installed on the mounting plate, and the reset spring is sleeved on the reset rod.

[0015] Preferably, the screwing head comprises a screwing cylinder, a clamping spring and a clamping block, the screwing cylinder is fixedly installed at the bottom of the screwing pipe, an inlet pipe is fixedly and communicatively installed on the screwing cylinder, the inlet pipe is inclined, two clamping blocks are rotatably connected to the screwing cylinder, two clamping blocks are provided with a discharging groove, the two discharging grooves jointly form a funnel-shaped hole, one end of the clamping spring is fixedly installed on the corresponding clamping block, and the other end of the clamping spring is fixedly installed on the screwing cylinder.

[0016] Preferably, the screwing module further comprises a pushing cylinder and a placing tool, the pushing cylinder is fixedly installed on the workbench, the placing tool is fixedly installed on the output end of the pushing cylinder, and the placing tool is provided with a placing groove.

[0017] Preferably, the feeding module comprises a fixed shell, a discharging assembly and a blowing assembly, the discharging assembly and the blowing assembly are arranged in the fixed shell, the discharging assembly comprises a discharging shell, a discharging motor, a discharging plate, a plurality of rotating pieces, two guide pieces and a discharging strip, one end of the discharging strip is arranged in the discharging shell, the other end is arranged in the blowing assembly, the discharging motor is fixedly installed on the discharging shell, the discharging plate is fixedly installed on the output end of the discharging motor, a plurality of the rotating pieces are fixedly installed on the discharging plate, two the guide pieces are fixedly installed on the discharging strip, and the guide pieces are arranged obliquely, a discharging groove is arranged on the discharging strip, a vibrator is installed on the discharging strip, and the discharging strip is arranged obliquely.

[0018] Preferably, the discharging assembly further comprises a swing motor, a swing connecting rod, a swing rod and a swing piece, the swing motor is fixedly installed on the discharging shell, a driving eccentric block is fixedly installed on the output end of the swing motor, a driven eccentric block is fixedly installed on the swing rod, one end of the swing connecting rod is rotatably connected to the driving eccentric block, the other end of the swing connecting rod is rotatably connected to the driven eccentric block, the swing rod is rotatably connected in the discharging shell, and the swing piece is fixedly installed on the swing rod and arranged above the discharging strip.

[0019] Preferably, the blowing assembly comprises a moving frame, two receiving plates, a blocking block, a releasing block, a blowing block and a plurality of feeding pipes, the screw on the discharging strip can move between the two receiving plates, the receiving plates are arranged on the moving frame, the moving frame can move horizontally to switch between the receiving state and the discharging state, when the moving frame is in the receiving state, the two receiving plates abut against the discharging strip, when the moving frame is in the discharging state, the receiving plates correspond to the blowing block, the blocking block is located between the two receiving plates and can move between the two receiving plates, the blowing block is provided with a plurality of blowing holes, one end of the plurality of feeding pipes is fixedly installed on the blowing block and communicates with the blowing holes, the other end of the feeding pipes is fixedly connected to and communicates with the inlet pipe, during the switching process of the moving frame from the receiving state to the discharging state, the releasing block pushes the two receiving plates to move away from each other, so that the screw on the receiving plate falls into the blowing hole.

[0020] An automatic screw feeding method for automobile motor assembly, which uses the motor assembly device described above, comprises the following steps:

[0021] The feeding module is responsible for orderly feeding screws into each screwing head;

[0022] The workpiece is placed below the screwing head;

[0023] The screwing head moves downward, when the screwing head is pressed on the workpiece surface, the transmission rod moves downward in the screwing head and starts to rotate, the rotation of the transmission rod directly drives the screwing head to rotate, thereby screwing the screw into the workpiece;

[0024] When the position of the screwing head needs to be adjusted, the mounting bolt is loosened, the position of the mounting block is moved along the mounting longitudinal groove in the longitudinal direction and the mounting transverse groove in the transverse direction, the mounting block drives the screwing head to move, so that the screwing head corresponds to the screw hole on the workpiece.

[0025] In summary, the technical effects and advantages of the present application are:

[0026] 1、In the present application, the design of the mounting longitudinal groove and the mounting transverse groove cooperates with the mounting bolt, so that the position of the mounting block can be adjusted on the plane of the mounting plate, greatly enhancing the flexibility of the equipment, so that it can adapt to the change of the screw hole spacing on workpieces of different specifications, the connecting rod connects the transmission rod through the universal joint, even if the position of the transmission rod changes due to the movement of the screwing head, the rotary power can still be effectively transmitted to the transmission rod, ensuring the realization of the screwing function.

[0027] 2、In the present application, the inclined feeding pipe facilitates the sliding of the screw, the funnel-shaped clamping hole formed by the clamping block under the action of the clamping spring can guide the positioning of the screw and reliably clamp the screw, ensuring that the screw maintains the correct posture and does not fall off before the screwing head reaches, when the screwing head presses down the screw, the clamping block can automatically open to release the screw, the structure is simple and reliable, the clamping spring ensures the clamping force, and the clamping block can automatically reset and close after the screw is screwed in.

[0028] 3、In the present application, the inclined discharging strip moves under the action of vibration, so that the screws are arranged in order in the discharging groove with the screw heads on top and the rod parts clamped in the discharging groove and moving in a single column along the discharging groove to the air blowing assembly, realizing automatic arrangement, sorting and conveying of the screws, and efficiently arranging the disordered screws into a single column state with the rod parts downward and arranged in order, preparing for subsequent accurate feeding.

[0029] 4、In the present application, the excess screws and disordered screws stacked on the discharging strip or not correctly falling into the discharging groove are swept off, only the screws arranged in a single column in the discharging groove are allowed to pass, ensuring that the screws entering the subsequent air blowing assembly are in an orderly single column state, effectively preventing material jamming and poor feeding, and improving the reliability of the feeding system. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.

[0031] Figure 1 It is a schematic view of the three-dimensional structure of the present application;

[0032] Figure 2 It is a schematic view of the three-dimensional structure of the present application;

[0033] Figure 3 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0034] Figure 4 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application; Figure 3

[0035] Figure 5 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0036] Figure 6 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0037] Figure 7 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0038] Figure 8 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0039] Figure 9 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0040] Figure 10 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0041] Figure 11 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0042] Figure 12 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application; Figure 11

[0043] Figure 13 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application;

[0044] Figure 14 It is a schematic view of the structure of the fixed rod, fixed cylinder, fixed plate and rotating motor in the present application; ​​

[0045] Figure 15 For the application Figure 14 Enlarged view of part C in the application;

[0046] Figure 16 For the structure of the receiving plate and the blocking block in the application.

[0047] In the figure: 1, feeding module; 101, fixed shell; 102, discharge assembly; 1021, discharge shell; 1022, discharge motor; 1023, discharge plate; 1024, rotating piece; 1025, guide piece; 1026, discharge strip; 1027, swing motor; 1028, swing connecting rod; 1029, swing rod; 1020, swing piece; 103, air blowing assembly; 1031, moving frame; 1032, receiving plate; 1033, blocking block; 1034, release block; 1035, blowing block; 1036, feeding pipe; 1037, sliding block; 1038, moving block; 1039, adjusting screw; 1040, air blowing shell; 1041, connecting frame; 1042, pushing rod; 1043, pushing plate; 1044, release rod; 1045, pushing spring; 1046, pushing block; 1047, partition plate; 1048, air pump; 1049, switching cylinder; 2, tightening module; 201, mounting plate; 2011, mounting block; 202, tightening assembly; 2021, tightening head; 20211, tightening cylinder; 20212, clamping spring; 20213, clamping block; 2022, tightening bit; 2023, transmission rod; 2024, connecting rod; 2025, tightening pipe; 2026, sliding spring; 2027, sliding rod; 203, fixed rod; 204, fixed cylinder; 205, connecting plate; 206, fixed plate; 207, lifting cylinder; 208, rotating motor; 209, reset rod; 210, reset spring; 211, pushing cylinder; 212, placement tool; 3, workbench. DETAILED DESCRIPTION

[0048] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0049] Example 1: reference Figures 1-14The motor assembly device shown comprises a feeding module 1 and a screwing module 2, the screwing module 2 comprises a mounting plate 201 and a plurality of screwing assemblies 202, the plurality of screwing assemblies 202 are all mounted on the mounting plate 201, the screwing assembly 202 can move vertically, the screwing assembly 202 comprises a screwing head 2021, a screwing chuck 2022 and a transmission rod 2023, the transmission rod 2023 can drive the screwing chuck 2022 to rotate, the feeding module 1 can deliver a screw into the screwing head 2021, when the screwing head 2021 descends and abuts against a workpiece, the transmission rod 2023 descends and rotates in the screwing head 2021;

[0050] A plurality of mounting vertical grooves are formed in the mounting plate 201, the mounting plate 201 is provided with a mounting block 2011, a mounting horizontal groove is formed in the mounting block 2011, mounting bolts are arranged in the mounting vertical grooves and the mounting horizontal groove, the screwing assembly 202 further comprises a connecting rod 2024, the bottom of the connecting rod 2024 is connected with the transmission rod 2023 through a universal joint.

[0051] The feeding module 1 is responsible for delivering screws into the screwing head 2021 in an orderly manner, the screwing assembly 202 as a whole can move vertically under the driving of the device, when the screwing head 2021 descends and is pressed against the surface of the workpiece, the transmission rod 2023 moves downward in the screwing head 2021 and starts to rotate, the rotation of the transmission rod 2023 directly drives the screwing chuck 2022 to rotate, so that the screw is screwed into the workpiece, the mounting block 2011 is fixed on the mounting plate 201 through the mounting bolts, the mounting bolts pass through the mounting horizontal groove on the mounting block 2011 and the mounting vertical groove on the mounting plate 201, by loosening the mounting bolts, the position of the mounting block 2011 can be moved longitudinally along the mounting vertical groove and transversely along the mounting horizontal groove.

[0052] The design of the mounting vertical groove and the mounting horizontal groove, in cooperation with the mounting bolts, makes the position of the mounting block 2011 adjustable on the plane of the mounting plate 201, greatly enhancing the flexibility of the device, so that it can adapt to the change of the screw hole spacing on workpieces of different specifications, the connecting rod 2024 is connected with the transmission rod 2023 through the universal joint, even if the position of the transmission rod 2023 changes due to the movement of the screwing head 2021, the rotary power can still be effectively transmitted to the transmission rod 2023, ensuring the realization of the screwing function.

[0053] Further, the feeding module 1 and the screwing module 2 are jointly installed on the workbench 3, the screwing module 2 further comprises a fixing rod 203, a fixing cylinder 204, a connecting plate 205, a fixing plate 206, a lifting cylinder 207 and a rotating motor 208, the fixing rod 203 is fixedly installed on the workbench 3, the connecting plate 205 is fixedly installed on the fixing rod 203, the fixing cylinder 204 is slidingly sleeved on the fixing rod 203, the fixing plate 206 is slidingly sleeved on the fixing cylinder 204, the mounting plate 201 is fixedly installed on the fixing cylinder 204, the lifting cylinder 207 is fixedly installed on the connecting plate 205, the output end of the lifting cylinder 207 is fixedly installed on the fixing plate 206, and the rotating motor 208 is fixedly installed on the fixing plate 206.

[0054] When the lifting cylinder 207 is actuated, the fixing plate 206 is driven to ascend and descend along the fixing cylinder 204, and since the rotating motor 208 is fixed on the fixing plate 206, the output end of the rotating motor 208 also ascends and descends.

[0055] Further, the screwing assembly 202 further comprises a screwing pipe 2025, a sliding spring 2026 and a sliding rod 2027, the connecting rod 2024 is hollow, the sliding spring 2026 is sleeved on the sliding rod 2027, the sliding rod 2027 is inserted into the connecting rod 2024, the top of the sliding rod 2027 is installed on the output end of the rotating motor 208 through a universal joint, the screwing head 2021 is fixedly installed on the bottom of the screwing pipe 2025, the screwing pipe 2025 is fixedly installed on the mounting block 2011, the transmission rod 2023 is slidingly fitted in the screwing pipe 2025, the connecting rod 2024 is provided with a moving groove, the sliding rod 2027 is fixedly provided with a linkage block, and the linkage block is slidingly fitted in the moving groove.

[0056] Further, the output end of the rotating motor 208 drives the sliding rod 2027 to rotate through a universal joint, the sliding rod 2027 is inserted into the hollow connecting rod 2024, and the sliding rod 2027 and the connecting rod 2024 are slidingly fitted through the linkage block and the moving groove on the connecting rod 2024, so that the rotating power can be transmitted from the sliding rod 2027 to the connecting rod 2024, and the sliding rod 2027 is allowed to relatively slide in the axial direction relative to the connecting rod 2024, the sliding spring 2026 is arranged on the sliding rod 2027 and fixed to the top of the connecting rod 2024, and the sliding spring 2026 applies an upward elastic force to the sliding rod 2027, the screwing pipe 2025 is fixed to the mounting block 2011, the screwing head 2021 is fixed to the bottom of the screwing pipe 2025, the transmission rod 2023 can slide and rotate in the screwing pipe 2025, and the top of the transmission rod 2023 is connected to the bottom of the connecting rod 2024 through a universal joint, therefore, the rotation of the connecting rod 2024 drives the transmission rod 2023 and the screwing head 2022 to rotate.

[0057] Further, the screwing module 2 further comprises a reset rod 209, a reset spring 210, the reset rod 209 is fixedly installed on the fixed plate 206, the reset rod 209 penetrates the mounting plate 201 and is in sliding fit with the mounting plate 201, the anti-disengagement block is fixedly installed at the bottom of the reset rod 209 and abuts against the mounting plate 201, the top of the reset spring 210 is fixedly installed on the fixed plate 206, the bottom of the reset spring 210 is fixedly installed on the mounting plate 201, and the reset spring 210 is sleeved on the reset rod 209.

[0058] The reset rod 209 is fixed on the fixed plate 206 driven by the lifting cylinder 207, penetrates the hole on the mounting plate 201 and is in sliding fit with the mounting plate 201, the anti-disengagement block is located at the bottom of the reset rod 209 and prevents the mounting plate 201 from disengaging from the reset rod 209, the reset spring 210 is sleeved on the reset rod 209, and the two ends thereof are fixed on the fixed plate 206 and the mounting plate 201 respectively, when the fixed plate 206 is driven downward by the lifting cylinder 207, the reset spring 210 is compressed between the fixed plate 206 and the mounting plate 201, and pushes the mounting plate 201 and the fixed cylinder 204 and the screwing assembly 202 to move downward together, when the screwing head 2021 is blocked by the workpiece, the fixed plate 206 continues to move downward to further compress the reset spring 210, at this time, the mounting plate 201 stops moving downward and is blocked by the workpiece, while the fixed plate 206 and the rotating motor 208 continue to move downward, when the lifting cylinder 207 is retracted, the reset spring 210 is restored, and the anti-disengagement block drives the mounting plate 201 to move upward together with the fixed plate 206.

[0059] Embodiment 2, refer to Figures 1-14 Different from the above embodiment, the screwing head 2021 comprises a screwing cylinder 20211, clamping springs 20212 and clamping blocks 20213, the screwing cylinder 20211 is fixedly installed at the bottom of the screwing pipe 2025, the feeding pipe is fixedly connected to and communicates with the screwing cylinder 20211, the feeding pipe is obliquely arranged, the two clamping blocks 20213 are rotatably connected to the screwing cylinder 20211, the two clamping blocks 20213 are provided with discharge grooves, and the two discharge grooves jointly form a funnel-shaped hole, one end of the clamping spring 20212 is fixedly installed on the corresponding clamping block 20213, and the other end of the clamping spring 20212 is fixedly installed on the screwing cylinder 20211.

[0060] The screw enters the inside of the screwing cylinder 20211 through the inclined feeding pipe. The two clamping blocks 20213 are installed at the bottom of the screwing cylinder 20211 through the rotating shaft. Under the pushing action of the clamping spring 20212, the two clamping blocks 20213 are usually in the closed state. The discharging grooves on the two clamping blocks 20213 are combined into a funnel-shaped hole with a large upper part and a small lower part. The hole can guide the screw rod to move downward and clamps the head of the screw by relying on the inner wall of the clamping block 20213 and the force of the clamping spring 20212, so that the screw head can be kept in an upright state and prevented from falling before being screwed. When the screwing chuck 2022 is lowered to insert into the slot of the screw head and exerts downward pressure, the screw head will push open the clamping block 20213 to move downward and be completely screwed on the workpiece.

[0061] Embodiment 3, refer to Figures 1-14 Different from the above embodiments, the screwing module 2 further comprises a pushing cylinder 211 and a placing tool 212. The pushing cylinder 211 is fixedly installed on the workbench 3. The placing tool 212 is fixedly installed on the output end of the pushing cylinder 211. The placing tool 212 is provided with a placing groove.

[0062] The inclined feeding pipe facilitates the sliding of the screw. The funnel-shaped clamping hole formed by the clamping block 20213 under the action of the clamping spring 20212 can guide the positioning of the screw and reliably clamp the screw, so as to ensure that the screw can keep the correct posture and will not fall off before the screwing chuck 2022 arrives. When the screwing chuck 2022 presses the screw, the clamping block 20213 can automatically open to release the screw. The structure is simple and reliable. The clamping spring 20212 ensures the clamping force and enables the clamping block 20213 to automatically reset and close after the screw is screwed in.

[0063] Embodiment 4, refer to Figures 1-14 Different from the above embodiments, the feeding module 1 comprises a fixed shell 101, a discharging assembly 102 and a gas blowing assembly 103. The discharging assembly 102 and the gas blowing assembly 103 are arranged in the fixed shell 101. The discharging assembly 102 comprises a discharging shell 1021, a discharging motor 1022, a discharging plate 1023, a plurality of rotating pieces 1024, two guide pieces 1025 and a discharging strip 1026. One end of the discharging strip 1026 is arranged in the discharging shell 1021, and the other end is arranged in the gas blowing assembly 103. The discharging motor 1022 is fixedly installed on the discharging shell 1021. The discharging plate 1023 is fixedly installed on the output end of the discharging motor 1022. The plurality of rotating pieces 1024 are fixedly installed on the discharging plate 1023. The two guide pieces 1025 are fixedly installed on the discharging strip 1026 and are arranged in an inclined manner. The discharging strip 1026 is provided with a discharging groove. A vibrator is installed on the discharging strip 1026. The discharging strip 1026 is arranged in an inclined manner.

[0064] Screws are poured into the discharge shell 1021, the discharge motor 1022 drives the discharge plate 1023 to rotate, the rotating piece 1024 fixed on the discharge plate 1023 rotates with it, lifts the screws from the bottom of the discharge shell 1021 to a higher position, and the screws at the top fall into the starting end of the discharge strip 1026 from the rotating piece 1024. The guide piece 1025 arranged obliquely helps guide the falling screws into the discharge groove. The vibrator makes the discharge strip 1026 continuously vibrate, and the inclined discharge strip 1026 is arranged under the action of vibration, so that the screws are arranged neatly in the discharge groove, the head part is clamped in the discharge groove, and the rod part is moved along the discharge groove to the air blowing assembly 103 direction, realizing automatic arrangement, sorting and conveying of the screws, and efficiently arranging the messy screws into a single column state with the rod part downward and arranged in order, preparing for subsequent accurate feeding.

[0065] Embodiment 5, refer to Figures 1-14 Different from the above embodiment, the discharge assembly 102 further comprises a swing motor 1027, a swing connecting rod 1028, a swing rod 1029 and a swing piece 1020. The swing motor 1027 is fixedly installed on the discharge shell 1021, the driving eccentric block is fixedly installed on the output end of the swing motor 1027, the driven eccentric block is fixedly installed on the swing rod 1029, one end of the swing connecting rod 1028 is rotatably connected to the driving eccentric block, the other end of the swing connecting rod 1028 is rotatably connected to the driven eccentric block, the swing rod 1029 is rotatably connected in the discharge shell 1021, and the swing piece 1020 is fixedly installed on the swing rod 1029. The swing piece 1020 is arranged above the discharge strip 1026.

[0066] The swing motor 1027 drives the driving eccentric block to rotate, the driving eccentric block drives the driven eccentric block to swing through the swing connecting rod 1028, the driven eccentric block drives the swing rod 1029 to reciprocate around its rotating shaft, and the swing piece 1020 fixed on the swing rod 1029 reciprocates above the discharge strip 1026, which can sweep off the excess screws and messy screws stacked on the discharge strip 1026 or fail to fall into the discharge groove correctly, only allows the screws arranged in a single column in the discharge groove to pass through, ensures that the screws entering the subsequent air blowing assembly 103 are in a single column state, effectively prevents material jamming and poor feeding, and improves the reliability of the feeding system.

[0067] Embodiment 6, refer to Figures 1-14Different from the above-mentioned embodiments, the air blowing assembly 103 comprises a moving frame 1031, two receiving plates 1032, a blocking block 1033, a releasing block 1034, a blowing block 1035 and a plurality of feeding pipes 1036, the screws on the discharging strip 1026 can be moved to between the two receiving plates 1032, the receiving plates 1032 are arranged on the moving frame 1031, the moving frame 1031 can be horizontally moved to switch between the receiving state and the discharging state, when the moving frame 1031 is in the receiving state, the two receiving plates 1032 abut against the discharging strip 1026, when the moving frame 1031 is in the discharging state, the receiving plates 1032 correspond to the blowing block 1035, the blocking block 1033 is located between the two receiving plates 1032 and can be moved between the two receiving plates 1032, the blowing block 1035 is provided with a plurality of blowing holes, one end of the plurality of feeding pipes 1036 is fixedly installed on the blowing block 1035 and communicates with the blowing holes, the other end of the feeding pipes 1036 is fixedly connected to the feeding pipe, during the switching process of the moving frame 1031 from the receiving state to the discharging state, the releasing block 1034 pushes the two receiving plates 1032 to move away from each other, so that the screws on the receiving plates 1032 fall into the blowing holes.

[0068] The ordered screws conveyed from the end of the discharging strip 1026 enter the area between the two receiving plates 1032 and are blocked and positioned by the movable blocking block 1033, at this time, the moving frame 1031 is in the receiving state, the receiving plates 1032 abut against the end of the discharging strip 1026 to prevent the screws from falling in advance, when the feeding is needed, the moving frame 1031 is horizontally moved to the discharging state, during the moving process, the releasing block 1034 makes the two receiving plates 1032 open away from each other, the screw heads originally supported by the receiving plates 1032 lose support, and the screws immediately fall vertically into the blowing holes corresponding to the blowing block 1035, the blowing holes are connected to the feeding pipe of the screwing head 2021 through the feeding pipes 1036, and the position of the blocking block 1033 determines the number of screws that stay on the receiving plates 1032 and wait for release each time.

[0069] Further, the air blowing assembly 103 further comprises a sliding block 1037, a moving block 1038 and an adjusting screw 1039, the receiving plates 1032 are provided with sliding grooves, the sliding block 1037 is fixedly installed on the blocking block 1033, the sliding block 1037 is slidingly fitted in the sliding groove, the sliding block 1037 is provided with a moving hole, the moving block 1038 is slidingly fitted in the moving hole, the two ends of the moving block 1038 are fixedly installed with clutches, and the adjusting screw 1039 is rotationally connected in the sliding groove, the adjusting screw 1039 passes through the moving block 1038 and threadedly cooperates with the moving block 1038.

[0070] The blocking block 1033 is installed in the sliding groove of the receiving plate 1032 through the sliding block 1037, can move in the sliding groove, the moving hole is opened on the sliding block 1037, the moving block 1038 can slide in the hole, the stop ring at both ends limits it to escape, the adjusting screw 1039 passes through the moving block 1038 and is screwed with it, when the adjusting screw 1039 is rotated, the moving block 1038 is restricted by the stop ring and the moving hole and cannot be rotated, that is, the moving block 1038 and the moving hole are rectangularly arranged, the movement of the moving block 1038 drives the sliding block 1037 and the blocking block 1033 to move in the sliding groove of the receiving plate 1032, so that the position of the blocking block 1033 between the two receiving plates 1032 can be conveniently fine adjusted, thereby changing the size of the receiving area, accurately controlling the number of screws that are stopped on the receiving plate 1032 and released each time, and being able to match different numbers of screwing heads 2021, thereby enhancing the adaptability of the equipment.

[0071] When the two receiving plates 1032 are opened, the receiving plate 1032 drives the adjusting screw 1039 and the moving block 1038 to move, the moving block 1038 moves in the moving hole, so that the position of the blocking block 1033 is unchanged.

[0072] Further, the air blowing assembly 103 further comprises an air blowing shell 1040, a connecting frame 1041, a pushing rod 1042, a pushing plate 1043, a release rod 1044, a pushing spring 1045 and a pushing block 1046, the connecting frame 1041 is fixedly installed on the moving frame 1031, the pushing rod 1042 is fixedly installed in the connecting frame 1041, the pushing plate 1043 is fixedly installed on the receiving plate 1032, the pushing plate 1043 is slidingly matched on the pushing rod 1042, one end of the pushing spring 1045 is fixedly installed on the pushing rod 1042, the other end of the pushing spring 1045 is fixedly installed on the pushing plate 1043, the pushing block 1046 is fixedly installed on the pushing plate 1043, the end of the pushing block 1046 is obliquely arranged, the release block 1034 is located in the connecting frame 1041, the release rod 1044 is fixedly installed on the top of the release block 1034, the air blowing shell 1040 is fixedly installed in the fixed shell 101, the air blowing shell 1040 is provided with a release hole, the release block 1034 is obliquely arranged, and the release rod 1044 is slidingly matched in the release hole.

[0073] When the moving frame 1031 moves from the receiving state to the feeding state, the connecting frame 1041 moves accordingly, and since the release rod 1044 is constrained to slide in the inclined release hole, the horizontal movement of the connecting frame 1041 forces the release rod 1044 to move along the inclined trajectory of the release hole, the moving release block 1034 extrudes the inclined surface of the pushing block 1046 with its inclined surface, overcoming the force of the pushing spring 1045, pushing the pushing block 1046 to move, the pushing block 1046 drives the pushing plate 1043 to slide along the pushing rod 1042, and the pushing plate 1043 drives the fixed receiving plate 1032 to move, so that the two receiving plates 1032 are opened away from each other, the release screw is ensured to be forced to release every time it moves to the feeding position, and the pushing spring 1045 ensures that the receiving plate 1032 can be reliably closed to hold the screw in the receiving state.

[0074] A limiting strip is fixedly installed on the pushing plate 1043, and a limiting slot is formed on the release block 1034, and the limiting strip is slidingly fitted in the limiting slot.

[0075] The cooperation of the limiting strip and the limiting slot restricts the relative movement direction between the release block 1034 and the pushing block 1046, ensures that when the release block 1034 extrudes the inclined surface of the pushing block 1046, the release block 1034 can only move in the direction of the limiting strip, prevents jamming or misplacement, and improves the reliability of the action.

[0076] Further, the air blowing assembly 103 further comprises a plurality of partition plates 1047, an air pump 1048 and a switching air cylinder 1049, the plurality of partition plates 1047 are fixedly installed in the air blowing shell 1040, a partition hole is formed in the moving frame 1031 corresponding to the partition plate 1047, the switching air cylinder 1049 is fixedly installed on the air blowing shell 1040, the connecting frame 1041 is fixedly installed on the output end of the switching air cylinder 1049, the air pump 1048 is fixedly installed in the air blowing shell 1040, one end of the plurality of shunt pipes is fixedly connected and communicated with the output end of the air pump 1048, and the other end of the plurality of shunt pipes is fixedly connected and communicated with the blowing material block 1035.

[0077] When the switching air cylinder 1049 acts, the switching air cylinder 1049 drives the connecting frame 1041 to move horizontally, and further drives the moving frame 1031 to move horizontally, the partition plates 1047 fixedly installed in the air blowing shell 1040 are inserted into the partition holes in the moving frame 1031 when the moving frame 1031 moves to the feeding state, thereby being located between adjacent screws to play a partitioning role, the air pump 1048 generates compressed air which is distributed to each blowing hole of the blowing material block 1035 through the shunt pipes, and when the screw falls into the blowing hole, the blowing hole is closed at the top by the reset of the moving frame 1031, the compressed air is blown out from the blowing hole to blow the screw through the feeding pipe 1036 into the corresponding tightening head 2021.

[0078] Further, the bottom of the moving frame 1031 is provided with a material falling hole corresponding to the material blowing hole, and the inner wall of the moving frame 1031 is inclined to the material falling hole, so as to prevent the screw from being stuck in the moving frame 1031.

[0079] As another preferred embodiment, the motor assembling device is applied to the assembling of a household appliance motor.

[0080] The automobile motor assembling method comprises the following steps:

[0081] The feeding module 1 is responsible for orderly feeding the screws into the screwing heads 2021;

[0082] The workpiece is placed below the screwing head 2021;

[0083] The screwing head 2021 moves downward, when the screwing head 2021 is lowered and pressed on the surface of the workpiece, the transmission rod 2023 moves downward in the screwing head 2021 and starts to rotate, the rotation of the transmission rod 2023 directly drives the screwing bit 2022 to rotate, so as to screw the screw into the workpiece;

[0084] When it is necessary to adjust the position of the screwing head 2021, the mounting bolt is loosened, the position of the mounting block 2011 is moved longitudinally along the longitudinal mounting groove and transversely along the transverse mounting groove, the mounting block 2011 drives the screwing head 2021 to move, so that the screwing head 2021 corresponds to the screw hole on the workpiece

[0085] The working principle of the present application is as follows:

[0086] The screw is placed in the discharging shell 1021, the discharging motor 1022 drives the discharging plate 1023 to rotate, the discharging plate 1023 drives the rotating pieces 1024 to rotate, the rotating pieces 1024 drive the screw in the discharging shell 1021 to move, when the screw moves to a high place and falls from the rotating pieces 1024 to the guide piece 1025, and enters the discharging slot on the discharging strip 1026 under the guidance of the guide piece 1025, the vibrator drives the discharging strip 1026 to vibrate, so that the screw rod part is righted into the discharging slot, and the screw head is above the discharging strip 1026, the swing motor 1027 drives the driving eccentric block to rotate, the driving eccentric block drives the swing connecting rod 1028 to rotate, the swing connecting rod 1028 drives the driven eccentric block to swing, the driven eccentric block drives the swing rod 1029 to swing, the swing rod 1029 drives the swing piece 1020 to swing, the swing piece 1020 pushes the disordered screws on the discharging strip 1026 to fall, the screws on the discharging strip 1026 move to the receiving plate 1032 under the action of vibration, the blocking block 1033 blocks the screws, so as to control the number of screws moving to the receiving plate 1032, the switching cylinder 1049 drives the connecting frame 1041 and the moving frame 1031 to move, the moving frame 1031 drives the two receiving plates 1032 to move, the partition plate 1047 moves between the plurality of screw rod parts, in the moving process, the release rod 1044 moves along the inclined track of the release hole, the release rod 1044 drives the release block 1034 to move, the release block 1034 extrudes the pushing block 1046 to move, the pushing block 1046 drives the pushing plate 1043 to move, the pushing plate 1043 drives the receiving plate 1032 to move, the two receiving plates 1032 move away from each other, the head of the screw is released, the screw falls into the blowing hole of the blowing block 1035, the air pump 1048 introduces compressed air into the blowing hole, the screw is blown into the screwing head 2021 through the feeding pipe 1036, the workpiece is placed in the placing tool 212, the pushing cylinder 211 drives the placing tool 212 to move, so that the workpiece moves to the lower side of the screwing head 2021, the lifting cylinder 207 drives the fixed plate 206 to move downward, the fixed plate 206 drives the mounting plate 201 to move downward through the return spring 210, the mounting plate 201 drives the screwing pipe 2025 to move downward, the screwing pipe 2025 drives the screwing head 2021 to move downward, the screwing head 2021 abuts against the screw hole on the workpiece, then the fixed plate 206 continues to descend to drive the rotating motor 208, the connecting rod 2024, the sliding rod 2027, the transmission rod 2023 and the screwing bit 2022 to continue to descend, the rotating motor 208 drives the sliding rod 2027 to rotate through the universal joint, the sliding rod 2027 drives the connecting rod 2024 to rotate, the connecting rod 2024 drives the transmission rod 2023 to rotate through the universal joint, the transmission rod 2023 drives the screwing bit 2022 to rotate, the screwing bit 2022 abuts against the screw and drives the screw to rotate, so that the screw is screwed into the workpiece.

[0087] When the distance between several screw heads 2021 needs to be adjusted, the mounting bolt is loosened, the mounting block 2011 is moved, at this time the mounting bolt moves in the mounting longitudinal groove and the mounting transverse groove, when the screw head 2021 is moved to the appropriate position, the mounting bolt is tightened, since the rotating motor 208 drives the screw head 2022 to rotate through the universal joint, the screw head 2021 can still drive the screw head 2022 to rotate after being moved to the appropriate position, since the sliding rod 2027 is slidably connected in the connecting rod 2024, and the connecting rod 2024 is provided with a sliding spring 2026, the screw head 2022 still has enough descending amount to tighten the screw after being adjusted to the appropriate position.

[0088] When the number of screw heads 2021 needs to be adjusted to match the workpieces with different numbers of screw holes, the number of screwing assemblies 202 is increased on the mounting plate 201, the mounting block 2011 is mounted in the mounting plate 201 through the mounting bolt and is adjusted to the appropriate position, at the same time, the adjusting screw 1039 is rotated, the adjusting screw 1039 drives the moving block 1038 to move, the moving block 1038 drives the sliding block 1037 to move, the sliding block 1037 drives the blocking block 1033 to move, the number of screws entering between the two receiving plates 1032 is adjusted, so that the number of screws is consistent with the number of screw heads 2021.

[0089] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. An electric machine assembly apparatus comprising a feed module and a screwing module, characterized in that: The screwing module comprises a mounting plate and a plurality of screwing assemblies, the screwing assemblies are mounted on the mounting plate, the screwing assemblies are vertically movable, the screwing assembly comprises a screwing head, a screwing chuck and a transmission rod, the transmission rod can drive the screwing chuck to rotate, the feeding module can feed a screw into the screwing head, when the screwing head is lowered and abuts against a workpiece, the transmission rod is lowered and rotated in the screwing head; A plurality of mounting longitudinal grooves are formed in the mounting plate, a mounting block is arranged on the mounting plate, a mounting transverse groove is formed in the mounting block, mounting bolts are arranged in the mounting longitudinal grooves and the mounting transverse groove, the screwing assembly further comprises a connecting rod, the bottom of the connecting rod is connected with the transmission rod through a universal joint; The screwing assembly further comprises a screwing pipe, a sliding spring and a sliding rod, the connecting rod is hollow, the sliding spring is sleeved on the sliding rod, the sliding rod is inserted into the connecting rod, the top of the sliding rod is mounted on the output end of the rotary motor through a universal joint, the screwing head is fixedly mounted on the bottom of the screwing pipe, the screwing pipe is fixedly mounted on the mounting block, the transmission rod is slidingly fitted in the screwing pipe, a moving groove is formed in the connecting rod, a linkage block is fixedly mounted on the sliding rod, and the linkage block is slidingly fitted in the moving groove; The screwing head comprises a screwing cylinder, a clamping spring and a clamping block, the screwing cylinder is fixedly mounted on the bottom of the screwing pipe, a feeding pipe is fixedly and communicatively arranged on the screwing cylinder, the feeding pipe is obliquely arranged, two clamping blocks are rotatably connected to the screwing cylinder, a discharging groove is formed in each clamping block, and the two discharging grooves jointly form a funnel-shaped hole, one end of the clamping spring is fixedly mounted on the corresponding clamping block, and the other end of the clamping spring is fixedly mounted on the screwing cylinder.

2. An electric machine assembly apparatus according to claim 1, wherein: The feeding module and the screwing module are jointly mounted on the workbench, the screwing module further comprises a fixing rod, a fixing cylinder, a connecting plate, a fixing plate, a lifting cylinder and a rotary motor, the fixing rod is fixedly mounted on the workbench, the connecting plate is fixedly mounted on the fixing rod, the fixing cylinder is slidingly sleeved on the fixing rod, the fixing plate is slidingly sleeved on the fixing cylinder, the mounting plate is fixedly mounted on the fixing cylinder, the lifting cylinder is fixedly mounted on the connecting plate, the output end of the lifting cylinder is fixedly mounted on the fixing plate, and the rotary motor is fixedly mounted on the fixing plate.

3. An electric machine assembly apparatus according to claim 2, wherein: The screwing module further comprises a reset rod and a reset spring, the reset rod is fixedly mounted on the fixing plate, the reset rod penetrates through the mounting plate and is slidingly fitted with the mounting plate, a anti-disengagement block is fixedly mounted on the bottom of the reset rod and abuts against the mounting plate, the top of the reset spring is fixedly mounted on the fixing plate, the bottom of the reset spring is fixedly mounted on the mounting plate, and the reset spring is sleeved on the reset rod.

4. An electric machine assembly apparatus according to claim 2, wherein: The screwing module further comprises a pushing cylinder and a placing tool, the pushing cylinder is fixedly mounted on the workbench, and the placing tool is fixedly mounted on the output end of the pushing cylinder.

5. An electric machine assembly apparatus according to claim 1, wherein: The feeding module comprises a fixed shell, a discharging assembly and a gas blowing assembly, the discharging assembly and the gas blowing assembly are arranged in the fixed shell, the discharging assembly comprises a discharging shell, a discharging motor, a discharging plate, a plurality of rotating pieces, two guide pieces and a discharging strip, one end of the discharging strip is arranged in the discharging shell, the other end of the discharging strip is arranged in the gas blowing assembly, the discharging motor is fixedly installed on the discharging shell, the discharging plate is fixedly installed on the output end of the discharging motor, the plurality of rotating pieces are fixedly installed on the discharging plate, the two guide pieces are fixedly installed on the discharging strip, the guide pieces are arranged in an inclined manner, a discharging groove is formed in the discharging strip, a vibrator is installed on the discharging strip, and the discharging strip is arranged in an inclined manner.

6. An electric machine assembly apparatus according to claim 5, wherein: The discharging assembly further comprises a swinging motor, a swinging connecting rod, a swinging rod and a swinging piece, the swinging motor is fixedly installed on the discharging shell, a driving eccentric block is fixedly installed on the output end of the swinging motor, a driven eccentric block is fixedly installed on the swinging rod, one end of the swinging connecting rod is rotatably connected to the driving eccentric block, the other end of the swinging connecting rod is rotatably connected to the driven eccentric block, the swinging rod is rotatably connected in the discharging shell, and the swinging piece is fixedly installed on the swinging rod and arranged above the discharging strip.

7. An electric machine assembly apparatus according to claim 5, wherein: The gas blowing assembly comprises a moving frame, two receiving plates, a blocking block, a releasing block, a blowing block and a plurality of feeding pipes, the screw on the discharging strip can move between the two receiving plates, the receiving plates are arranged on the moving frame, the moving frame can move horizontally to switch between the receiving state and the discharging state, when the moving frame is in the receiving state, the two receiving plates abut against the discharging strip, when the moving frame is in the discharging state, the receiving plates correspond to the blowing block, the blocking block is located between the two receiving plates and can move between the two receiving plates, the blowing block is provided with a plurality of blowing holes, one end of the plurality of feeding pipes is fixedly installed on the blowing block and communicates with the blowing holes, the other end of the feeding pipes is fixedly connected to the inlet pipe, and during the switching of the moving frame from the receiving state to the discharging state, the releasing block pushes the two receiving plates to move away from each other, so that the screw on the receiving plate falls into the blowing hole.

8. An automobile motor assembly method for automatic screwing, using the motor assembly apparatus according to any one of claims 1 to 7, characterized by: The method comprises the following steps: The feeding module is responsible for orderly feeding screws into each screwing head; The workpiece is placed below the screwing head; The screwing head moves downward, when the screwing head is lowered and pressed on the surface of the workpiece, the transmission rod moves downward in the screwing head and starts to rotate, the rotation of the transmission rod directly drives the screwing head to rotate, so that the screw is screwed into the workpiece; When it is necessary to adjust the position of the screwing head, the mounting bolt is loosened, the position of the mounting block is moved longitudinally along the mounting longitudinal groove and transversely along the mounting transverse groove, the mounting block drives the screwing head to move to the position, so that the screwing head corresponds to the screw hole on the workpiece.

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