ILM automatic assembling machine

Abstract

The utility model discloses an automatic ILM assembling machine, which is applied to the technical field of automatic ILM assembling machines, and is characterized by comprising a base, an upper cover bin assembly and a lower cover bin assembly which are used for feeding upper covers and lower covers are fixedly arranged on the base, and a conveying assembly used for positioning and conveying PCBs is fixedly connected to the base. The conveying assembly is fixedly connected with a lower cover positioning assembly used for achieving positioning of a lower cover and an upper cover overturning and positioning assembly used for achieving positioning of an upper cover and overturning, buckling and positioning the upper cover to the PCB. The base is fixedly connected with an upper cover conveying and assembling assembly and a lower cover conveying and assembling assembly respectively, wherein the upper cover conveying and assembling assembly and the lower cover conveying and assembling assembly are used for conveying upper covers and lower covers from the upper cover stock bin assembly and the lower cover stock bin assembly to the lower cover positioning assembly and the upper cover overturning and positioning assembly respectively and conducting screw locking. The utility model has the technical effects that the structure is simple, the assembly efficiency is high, and the assembly cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to ILM automatic assembly machine technical field, especially ILM automatic assembly machine. BACKGROUND

[0002] After installing and fixing the radiator to the PCB board, ILM cover plate needs to be used to lock and fix, because HSK radiator is arranged on the front and back of the PCB board, so the front and back of the PCB board needs to be installed with ILM cover plate and locked and fixed by using screw, and in the prior art, ILM cover plate is usually assembled and locked by screw by using artificial, the assembly efficiency is low and the artificial cost is high, and the possibility of missing screw is also existed, so it is necessary to improve. INVENTION CONTENTS

[0003] The utility model discloses a kind of ILM automatic assembly machines, its advantages are simple structure, high assembly efficiency, reduce the cost of assembly.

[0004] The above technical purpose of the utility model is realized by the following technical scheme: an ILM automatic assembly machine, including pedestal;The pedestal is respectively fixed with upper cover warehouse subassembly and lower cover warehouse subassembly for realizing upper cover and lower cover feeding, the pedestal is fixedly connected with conveying assembly for positioning and conveying PCB board, the conveying assembly is fixedly connected with lower cover positioning assembly for realizing lower cover positioning and upper cover turnover positioning assembly for realizing upper cover positioning and turning over and buckling positioning to PCB board on, the pedestal is respectively fixedly connected with upper cover conveying assembly and lower cover conveying assembly for conveying upper cover and lower cover from the upper cover warehouse subassembly and the lower cover warehouse subassembly to the lower cover positioning assembly and the upper cover turnover positioning assembly respectively and carrying out screw locking.

[0005] The utility model is further provided: the upper cover warehouse subassembly and the lower cover warehouse subassembly include warehouse plate based on adjusting assembly symmetrically fixedly connected on the pedestal and split plate for separating upper warehouse and receiving warehouse fixedly connected in the middle of the warehouse plate along vertical direction, the first lifting lead screw sliding table is fixedly connected with lifting plate in the sliding end of the first lifting lead screw sliding table, the receiving warehouse is fixedly connected with discharging plate along horizontal direction, the pedestal is fixedly connected with feeding conveying line for inputting the material plate storing upper cover or lower cover into the warehouse plate.

[0006] The utility model further sets up: the adjusting assembly includes the adjusting slide rail fixed connection in the base on along perpendicular to the conveying direction of the material feeding conveying line and the adjusting slide block fixed connection in the bottom of the bunker plate, the base is connected with the adjusting screw rod and the rotation handle of driving the adjusting screw rod rotation along the direction of parallel to the adjusting slide rail rotation, the bunker plate is set up with the screw rod hole of cooperation with the adjusting screw rod.

[0007] The utility model further sets up: the lower cover positioning component includes the lifting slide of sliding connection in the base along the vertical direction and the lifting electric jar of fixed connection in the base for driving the lifting slide slips, the lifting slide is fixedly connected with the lower positioning seat for realizing the PCB board positioning, a plurality of first positioning components for realizing the lower cover positioning fixation are fixedly connected in the lower positioning seat.

[0008] The utility model further sets up: the upper cover overturning positioning component includes the second lifting screw rod slide of fixed connection in the base along the vertical direction and the slip seat of fixed connection in the second lifting screw rod slide slip end, the slip seat is rotatably connected with the overturning seat based on the overturning motor, the overturning seat with the lower positioning seat between realizes mutual positioning based on the positioning plug-in component, a plurality of second positioning components for realizing the upper cover positioning fixation are fixedly connected on the overturning seat.

[0009] The utility model further sets up: the first positioning component and the second positioning component same structure, the first positioning component includes the positioning block of fixed setting in the lower positioning seat and the positioning slot of setting on the positioning block, the lower positioning seat is slidably connected with the first positioning abutment plate and the second positioning abutment plate for abutting the side wall and the end wall of lower cover based on the first slide rail and the second slide rail respectively on, the lower positioning seat is fixedly connected with the first positioning abutment cylinder and the second positioning abutment cylinder respectively for driving the first positioning abutment plate and the second positioning abutment plate slip.

[0010] The utility model further sets up: the positioning plug-in component includes the positioning rod of diagonal fixed connection in the lower positioning seat for cooperating with the positioning hole on the PCB board, the overturning seat is diagonally fixedly connected with the positioning plug rod, the lower positioning seat is set up with the positioning sleeve of cooperation with the positioning plug rod to realize the mutual positioning between the overturning seat with the lower positioning seat.

[0011] The utility model further sets up: the upper cover conveying assembly component and lower cover conveying assembly component structure are same, the upper cover conveying assembly component includes the mechanical arm fixed connection in the base and the mounting plate fixed connection on the mechanical arm, the mounting plate one end based on the lifting cylinder has the adsorption seat along the vertical direction swing joint, a plurality of vacuum nozzles for adsorbing upper cover are fixedly connected on the adsorption seat, the mounting plate other end based on third lifting screw rod sliding table has the electric screwdriver for screw locking along the vertical direction swing joint, the electric screwdriver end is equipped with the screw nozzle for sucking screw, the base is fixedly connected with screw feeder for realizing screw feeding.

[0012] In summary, the utility model has the following beneficial effects:

[0013] 1. through setting up conveying assembly for positioning conveying PCB board on the base and being equipped with lower cover positioning assembly and upper cover turnover positioning assembly respectively on conveying assembly, simultaneously setting up upper cover conveying assembly component and lower cover conveying assembly component on the base, when carrying out ILM assembly, first through upper cover conveying assembly component and lower cover conveying assembly component, upper cover and lower cover are taken out from upper cover bin assembly and lower cover bin assembly and are conveyed to the second positioning assembly of upper cover turnover positioning assembly and the first positioning assembly of lower cover positioning assembly and are positioned, subsequently, PCB board is conveyed to lower cover positioning assembly through conveying assembly and is positioned on lower positioning seat, the relative position between lower cover and PCB board is determined at this time, subsequently, the turnover motor of upper cover turnover positioning assembly drives turnover seat to overturn 180 ° and is inverted on the top of PCB board, simultaneously, the mutual positioning between turnover seat and lower positioning seat is realized through positioning plug-in assembly, the relative position between upper cover and PCB board is determined at this time, finally, screw locking is carried out through upper cover conveying assembly component and lower cover conveying assembly component to realize that upper cover and lower cover are locked and installed on PCB board, simple structure, improve the efficiency of assembly, reduce the cost of locking screw. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the whole of this embodiment;

[0015] Figure 2 It is the structure schematic diagram of upper cover bin assembly of this embodiment;

[0016] Figure 3 It is the structure schematic diagram of upper cover conveying assembly component of this embodiment;

[0017] Figure 4 It is the structure schematic diagram of lower cover positioning assembly and upper cover turnover positioning assembly of this embodiment;

[0018] Figure 5 It is Figure 4An enlarged schematic view of the middle A part;

[0019] Figure 6 is a structural schematic view of the first positioning assembly of the embodiment;

[0020] Figure 7 is a structural schematic view of the upper cover overturning positioning assembly of the embodiment.

[0021] Reference signs: 1, base; 2, upper cover bin assembly; 21, adjusting assembly; 211, adjusting sliding rail; 212, adjusting sliding block; 213, adjusting screw rod; 214, rotating handle; 22, bin plate; 23, partition plate; 24, upper bin; 25, collecting bin; 26, first lifting screw rod sliding table; 27, lifting plate; 28, discharging plate; 29, feeding conveying line; 3, lower cover bin assembly; 4, conveying assembly; 5, lower cover positioning assembly; 51, lifting sliding table; 52, lifting electric cylinder; 53, lower positioning seat; 54, first positioning assembly; 541, positioning block; 542, positioning groove; 543, first sliding rail; 544, second sliding rail; 545, first positioning abutting plate; 546, second positioning abutting plate; 6, upper cover overturning positioning assembly; 61, second lifting screw rod sliding table; 62, sliding seat; 63, overturning motor; 64, overturning seat; 65, second positioning assembly; 7, upper cover conveying assembly component; 71, mechanical arm; 72, mounting plate; 73, lifting air cylinder; 74, adsorption seat; 75, vacuum suction nozzle; 76, third lifting screw rod sliding table; 77, electric wrench; 78, screw suction nozzle; 79, screw feeder; 8, lower cover conveying assembly component; 9, positioning plug-in assembly; 91, positioning rod; 92, positioning plug-in rod; 93, positioning sleeve. DETAILED DESCRIPTION

[0022] The utility model will be made further detailed explanation below combining with the drawings.

[0023] Embodiment:

[0024] Reference Figures 1 to 7The utility model provides an ILM automatic assembly machine, including base 1, be respectively fixed with the upper cover warehouse subassembly 2 and lower cover warehouse subassembly 3 for realizing upper cover and lower cover feeding on base 1, fixedly connected with the conveying assembly 4 for positioning conveying PCB board on base 1, and the conveying assembly 4 uses the form of conveying assembly line and positioning block 541 cooperation to realize the positioning of PCB board along the both sides of conveying direction, and the blocking block is arranged on the positioning block 541 to realize the location of PCB board, thereby realizing the positioning of PCB board, fixedly connected with the lower cover positioning assembly 5 for realizing lower cover positioning and the upper cover turnover positioning assembly 6 for realizing upper cover positioning and overturning and being buckled and positioned to PCB board on conveying assembly 4, realize the positioning between lower cover and PCB board through lower cover positioning assembly 5, and realize the positioning between upper cover and PCB board through upper cover turnover positioning assembly 6, fixedly connected with the upper cover conveying assembly 7 and lower cover conveying assembly 8 for conveying and assembling respectively for respectively conveying upper cover and lower cover from upper cover warehouse subassembly 2 and lower cover warehouse subassembly 3 to lower cover positioning assembly 5 and upper cover turnover positioning assembly 6 and carrying out screw locking on base 1.

[0025] Reference Figures 1 to 2, specifically, the upper cover bin assembly 2 and the lower cover bin assembly 3 comprise bin plates 22 symmetrically fixedly connected to the base 1 based on the adjusting assembly 21, and a partition plate 23 fixedly connected in the middle of the bin plate 22 along the vertical direction for separating the upper bin 24 and the receiving bin 25, the first lifting lead screw sliding table 26 is fixedly connected in the upper bin 24 along the vertical direction, the lifting plate 27 is fixedly connected to the sliding end of the first lifting lead screw sliding table 26, the discharging plate 28 is fixedly connected in the receiving bin 25 along the horizontal direction, the feeding conveying line 29 for feeding the bin plate storing the upper cover or the lower cover into the bin plate 22 is fixedly connected to the base 1, taking the upper cover bin assembly 2 as an example, the upper cover bin plate carrying the upper cover is fed into the upper bin 24 from the feeding assembly line, the lifting plate 27 is lifted by the first lifting lead screw sliding table 26 to lift the upper cover bin plate, the upper cover conveying assembly 7 sucks the upper cover from the upper cover bin plate and conveys it to the second positioning assembly 65 for positioning, the recovery conveying seat for conveying the empty bin plate in the upper bin 24 to the receiving bin 25 is also slidably connected to the bin plate 22 based on the lead screw sliding table, the recovery disc is provided on the recovery conveying seat based on the lifting cylinder 73, and a plurality of vacuum suction nozzles 75 are provided on the recovery disc to realize the adsorption of the bin plate. The adjusting assembly 21 comprises an adjusting sliding rail 211 fixedly connected to the base 1 along the direction perpendicular to the conveying direction of the feeding conveying line 29, and an adjusting sliding block 212 fixedly connected to the bottom of the bin plate 22, the adjusting lead screw 213 and the rotating handle 214 driving the adjusting lead screw 213 to rotate are rotatably connected to the base 1 along the direction parallel to the adjusting sliding rail 211, the lead screw hole matched with the adjusting lead screw 213 is formed in the bin plate 22, and the adjusting lead screw 213 is composed of two lead screws with the same axis and opposite rotation directions to realize synchronous opposite movement of the two bin plates 22, thereby adapting to the feeding demand of the bin plate of different specifications.

[0026] Reference Figures 4 to 6Specifically, the lower cover positioning assembly 5 comprises a lifting slide 51 connected to the base 1 in a sliding manner along the vertical direction, a lifting cylinder 52 fixedly connected to the base 1 and used to drive the lifting slide 51 to slide, a lower positioning seat 53 fixedly connected to the lifting slide 51 and used to position the PCB, and a plurality of first positioning assemblies 54 fixedly connected to the lower positioning seat 53 and used to position and fix the lower cover. The upper cover overturning positioning assembly 6 comprises a second lifting lead screw slide 61 fixedly connected to the base 1 in a vertical direction, a sliding seat 62 fixedly connected to a sliding end of the second lifting lead screw slide 61, an overturning seat 64 rotatably connected to the sliding seat 62 based on an overturning motor 63, and a plurality of second positioning assemblies 65 fixedly connected to the overturning seat 64 and used to position and fix the upper cover. The first positioning assemblies 54 and the second positioning assemblies 65 are of the same structure. The first positioning assembly 54 comprises a positioning block 541 fixedly arranged on the lower positioning seat 53 and a positioning groove 542 formed in the positioning block 541. The lower positioning seat 53 is slidably connected with a first positioning abutting plate 545 and a second positioning abutting plate 546 based on a first sliding rail 543 and a second sliding rail 544, respectively, and the first positioning abutting plate 545 and the second positioning abutting plate 546 are used to abut against the side wall and the end wall of the lower cover. The lower positioning seat 53 is fixedly connected with a first positioning abutting cylinder 547 and a second positioning abutting cylinder 548, respectively, which are used to drive the first positioning abutting plate 545 and the second positioning abutting plate 546 to slide. When the lower cover is placed in the positioning groove 542, the first positioning abutting plate 545 and the second positioning abutting plate 546 are driven by the first positioning abutting cylinder 547 and the second positioning abutting cylinder 548 to abut against the side wall and the end wall of the lower cover, so as to position the lower cover in the positioning groove 542. The second positioning assembly 65 is of the same structure, so as to position the upper cover in the positioning groove 542. The back of the second positioning assembly 65 is further provided with a screw guide cylinder for guiding the screw. The upper cover and the lower cover share a screw hole on the PCB, and the screw hole cooperates with the screw guide cylinder to facilitate screw locking.

[0027] Reference Figures 4 to 5Specifically, the positioning and inserting assembly 9 includes positioning rods 91 fixedly connected to the lower positioning seat 53 at opposite angles and used for cooperating with the positioning holes on the PCB, positioning inserting rods 92 fixedly connected to the turnover seat 64 at opposite angles, positioning sleeves 93 provided on the lower positioning seat 53 and used for cooperating with the positioning inserting rods 92 to realize the mutual positioning between the turnover seat 64 and the lower positioning seat 53, the positioning between the PCB and the lower positioning seat 53 realized by the cooperation between the positioning rods 91 and the positioning holes on the PCB, and the positioning between the turnover seat 64 and the lower positioning seat 53 realized by the positioning between the positioning sleeves 93 and the positioning inserting rods 92. When assembling the ILM, the upper cover and the lower cover are first taken out from the upper cover warehouse assembly 2 and the lower cover warehouse assembly 3 respectively and transported to the second positioning assembly 65 of the upper cover turnover positioning assembly 6 and the first positioning assembly 54 of the lower cover positioning assembly 5 for positioning by the upper cover and lower cover transporting and assembling assemblies 7 and 8. Then, the PCB is transported to the lower cover positioning assembly 5 by the transporting assembly 4 and positioned on the lower positioning seat 53, so that the relative position between the lower cover and the PCB is determined. Then, the turnover motor 63 of the upper cover turnover positioning assembly 6 drives the turnover seat 64 to turn over by 180° and be inverted on the upper side of the PCB, and the mutual positioning between the turnover seat 64 and the lower positioning seat 53 is realized by the positioning and inserting assembly 9. At this time, the relative position between the upper cover and the PCB is determined. Finally, the upper cover and lower cover transporting and assembling assemblies 7 and 8 are used to screw and lock, so that the upper cover and the lower cover are locked and mounted on the PCB, and the structure is simple.

[0028] Reference Figure 1 and Figure 3 Specifically, the upper cover transporting and assembling assembly 7 and the lower cover transporting and assembling assembly 8 have the same structure. The upper cover transporting and assembling assembly 7 includes a mechanical arm 71 fixedly connected to the base 1 and a mounting plate 72 fixedly connected to the mechanical arm 71. An adsorption seat 74 is movably connected to the mounting plate 72 at one end along the vertical direction based on a lifting cylinder 73, and a plurality of vacuum nozzles 75 for adsorbing the upper cover are fixedly connected to the adsorption seat 74. The adsorption seat 74 and the vacuum nozzles 75 are lifted by the lifting cylinder 73. An electric screwdriver 77 for screw locking is movably connected to the mounting plate 72 at the other end along the vertical direction based on a third lifting lead screw sliding table 76, and a screw nozzle 78 for sucking the screw is arranged at the end of the electric screwdriver 77. A screw feeder 79 for realizing screw feeding is fixedly connected to the base 1. The screw is sucked from the screw feeder 79 by the screw nozzle 78, and then the electric screwdriver 77 realizes locking by using the screw.

[0029] Brief description of the use process: when assembling ILM, firstly, the upper cover and the lower cover are respectively taken out from the upper cover warehouse assembly 2 and the lower cover warehouse assembly 3 and transported to the second positioning assembly 65 of the upper cover turnover positioning assembly 6 and the first positioning assembly 54 of the lower cover positioning assembly 5 for positioning by the upper cover conveying assembly 7 and the lower cover conveying assembly 8, then the PCB is conveyed to the lower cover positioning assembly 5 by the conveying assembly 4 and positioned on the lower positioning seat 53, at this time, the relative position between the lower cover and the PCB is determined, then the turnover motor 63 of the upper cover turnover positioning assembly 6 drives the turnover seat 64 to turn over 180° and is inverted on the top of the PCB, at the same time, the mutual positioning between the turnover seat 64 and the lower positioning seat 53 is realized by the positioning plug-in assembly 9, at this time, the relative position between the upper cover and the PCB is determined, finally, the screw locking is performed by the upper cover conveying assembly 7 and the lower cover conveying assembly 8 to realize the locking and installation of the upper cover and the lower cover on the PCB, and the structure is simple.

[0030] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model. Those skilled in the art can make modifications with creative contributions according to the needs after reading the specification, and as long as the modifications are within the scope of the claims of the utility model, they are protected by the patent law.

Claims

1. An ILM automatic assembly machine comprising a base (1); characterized by, The base (1) is respectively fixed with an upper cover bin assembly (2) and a lower cover bin assembly (3) for realizing upper cover and lower cover feeding, the base (1) is fixedly connected with a conveying assembly (4) for positioning and conveying PCB boards, the conveying assembly (4) is fixedly connected with a lower cover positioning assembly (5) for realizing lower cover positioning and an upper cover turnover positioning assembly (6) for realizing upper cover positioning and turnover buckling positioning on the PCB board, and the base (1) is respectively fixedly connected with an upper cover conveying assembly (7) and a lower cover conveying assembly (8) for conveying the upper cover and the lower cover from the upper cover bin assembly (2) and the lower cover bin assembly (3) to the lower cover positioning assembly (5) and the upper cover turnover positioning assembly (6) respectively and screwing.

2. The ILM automatic assembly machine according to claim 1, characterized in that, The upper cover bin assembly (2) and the lower cover bin assembly (3) comprise a bin plate (22) fixedly connected to the base (1) based on an adjusting assembly (21) and a partition plate (23) fixedly connected to the middle of the bin plate (22) along the vertical direction for separating an upper bin (24) and a receiving bin (25), the base (1) is fixedly connected with a first lifting lead screw sliding table (26) in the upper bin (24) along the vertical direction, the sliding end of the first lifting lead screw sliding table (26) is fixedly connected with a lifting plate (27), the receiving bin (25) is fixedly connected with a discharging plate (28) along the horizontal direction, and the base (1) is fixedly connected with an inlet conveying line (29) for inputting the bin plate storing the upper cover or the lower cover into the bin plate (22).

3. The ILM automatic assembly machine according to claim 2, wherein, The adjusting assembly (21) comprises an adjusting sliding rail (211) fixedly connected to the base (1) along the direction perpendicular to the conveying direction of the inlet conveying line (29) and an adjusting sliding block (212) fixedly connected to the bottom of the bin plate (22), the base (1) is rotationally connected with an adjusting lead screw (213) along the direction parallel to the adjusting sliding rail (211) and a rotating handle (214) for driving the adjusting lead screw (213) to rotate, and the bin plate (22) is provided with a lead screw hole matched with the adjusting lead screw (213).

4. The ILM automatic assembly machine according to claim 1, wherein, The lower cover positioning assembly (5) comprises a lifting sliding table (51) slidingly connected to the base (1) along the vertical direction and a lifting electric cylinder (52) fixedly connected to the base (1) for driving the lifting sliding table (51) to slide, the lifting sliding table (51) is fixedly connected with a lower positioning seat (53) for realizing PCB board positioning, and a plurality of first positioning assemblies (54) for realizing lower cover positioning and fixing are fixedly connected in the lower positioning seat (53).

5. The ILM automatic assembly machine according to claim 4, wherein, The upper cover turnover positioning assembly (6) comprises a second lifting lead screw sliding table (61) fixedly connected to the base (1) along the vertical direction and a sliding seat (62) fixedly connected to the sliding end of the second lifting lead screw sliding table (61), a turnover seat (64) is rotatably connected to the sliding seat (62) based on a turnover motor (63), the turnover seat (64) and the lower positioning seat (53) are positioned relative to each other based on a positioning plug-in assembly (9), and a plurality of second positioning assemblies (65) for realizing upper cover positioning and fixation are fixedly connected to the turnover seat (64).

6. The ILM automatic assembly machine according to claim 5, wherein, The first positioning assembly (54) and the second positioning assembly (65) are the same in structure, the first positioning assembly (54) comprises a positioning block (541) fixedly arranged on the lower positioning seat (53) and a positioning groove (542) formed in the positioning block (541), and a first positioning abutting plate (545) and a second positioning abutting plate (546) for abutting against the side wall and the end wall of the lower cover are slidingly connected to the lower positioning seat (53) based on a first sliding rail (543) and a second sliding rail (544) respectively, and a first positioning abutting cylinder (547) and a second positioning abutting cylinder (548) for driving the first positioning abutting plate (545) and the second positioning abutting plate (546) to slide are fixedly connected to the lower positioning seat (53) respectively.

7. The ILM automatic assembly machine according to claim 5, wherein, The positioning plug-in assembly (9) comprises positioning rods (91) fixedly connected to the lower positioning seat (53) at opposite angles and used for cooperating with positioning holes on a PCB, positioning plug-in rods (92) are fixedly connected to the turnover seat (64) at opposite angles, and positioning sleeves (93) are formed in the lower positioning seat (53) and cooperate with the positioning plug-in rods (92) to realize the mutual positioning between the turnover seat (64) and the lower positioning seat (53).

8. The ILM automatic assembly machine according to claim 1, wherein, The upper cover conveying and assembling assembly (7) and the lower cover conveying and assembling assembly (8) are the same in structure, the upper cover conveying and assembling assembly (7) comprises a mechanical arm (71) fixedly connected to the base (1) and a mounting plate (72) fixedly connected to the mechanical arm (71), one end of the mounting plate (72) is movably connected with a suction seat (74) along the vertical direction based on a lifting cylinder (73), a plurality of vacuum nozzles (75) for sucking the upper cover are fixedly connected to the suction seat (74), the other end of the mounting plate (72) is movably connected with an electric screwdriver (77) for screw locking along the vertical direction based on a third lifting lead screw sliding table (76), a screw suction nozzle (78) for sucking screws is arranged at the end of the electric screwdriver (77), and a screw feeder (79) for realizing screw feeding is fixedly connected to the base (1).

Images