CN110549287B

CN110549287B - Screw arranging and conveying frame for electric drill

Info

Publication number: CN110549287B
Application number: CN201910946769.5A
Authority: CN
Inventors: 孙艳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-07
Filing date: 2019-10-07
Publication date: 2021-03-19
Anticipated expiration: 2039-10-07
Also published as: CN110549287A

Abstract

The invention discloses an electric drill screw gang-feeding frame which comprises a screw pushing mechanism, a screw arranging mechanism and a screw rotating mechanism, wherein the screw pushing mechanism comprises a frame plate, a through pipe and a push bolt, the upper bottom end of a horizontally-arranged electric drill on the frame plate is clamped with an electric drill body, the through pipe at the front end and the push bolt at the rear end of the frame plate are linearly arranged, a middle clamping seat moves a screw box clamped with the screw arranging mechanism, bottom cavities of clamping bins and front and rear through holes in the box are respectively aligned with the through pipe and the push bolt in a positioning mode, the rear end of a bolt rod of the screw rotating mechanism is elastically moved and clamped in a bolt seat on one side of the frame plate, a concave cone clamping port of a folded plate at the top end of a rotating rod is arranged in front of a through pipe bundle port, or the concave cone clamping port of a forward moving folded plate of the rotating rod is rotated to be in front of an electric drill screw driver rod.

Description

Screw arranging and conveying frame for electric drill

Technical Field

The invention belongs to the technical field of electric drills, and particularly relates to a screw arranging and conveying device for a handheld electric drill.

Background

The electric drill screws are widely used, manual screw conveying is very troublesome, the screws are easy to lose and incline, in the prior art, the automatic arrangement and conveying of the electric drill screws mostly adopt a mode of sucking the screws by a vacuum pump, other equipment needs to be configured, the carrying and operating difficulty is high, the arrangement and conveying of the electric drill screws are also innovated, and the technical scheme that a feeding component at the head of a screwdriver is connected with an inclined air pressure feeding pipe is adopted in a novel patent of 'an automatic feeding electric screwdriver' (the patent number is 200820151815. X); the utility model discloses an automatic screw locking machine (patent number: 2013203296291), which adopts two material guiding pipes to respectively transmit screws with different diameters to a plurality of vertical through holes on a material distributing block, when the material distributing block horizontally moves a single through hole to be concentric with a material guiding hole, the screws with different diameters fall to the material guiding hole; although the technology improves the efficiency, the method still has the limitations that the long rod screw cannot be conveyed when the feeding pipe is inclined, the electric driving cost is high, the equipment is inconvenient to carry and operate, the application range is small, and the like.

Disclosure of Invention

The electric drill screw arranging and conveying frame comprises a nail pushing mechanism, a nail arranging mechanism and a nail rotating mechanism, wherein the nail pushing mechanism comprises a frame plate, a through pipe and a push bolt, the frame plate is horizontally arranged on an electric drill, the bottom end of the frame plate is clamped and fixed with an electric drill body, the through pipe at the front end of the frame plate and the push bolt at the rear end of the frame plate are linearly arranged, a nail box clamped with the nail arranging mechanism is moved on a clamping seat arranged in the middle of the frame plate, a bottom cavity of each clamping cabin and front and rear through holes in the nail box are respectively moved to be aligned with the through pipe and the push bolt in a positioning mode, the rear end of a rotating rod of the nail rotating mechanism is elastically clamped in a bolt seat on one side of the frame plate, a concave cone clamping opening of a folded plate at the top end of the rotating rod is arranged in front of.

A single through pipe with a fixed circular diameter is fixedly connected to the front end of the frame plate, and the circular diameter of the pipe corresponds to the circular diameter of the maximum screw cap; or the rear ends of the through pipes with different circular diameters are respectively fixedly connected with the front through hole sides of the nail box with the corresponding circular diameters of the bottom cavities of the clamping bins.

The front pipe orifice of the through pipe is an elastic cone claw beam orifice, a plurality of elastic sheets on the periphery of the pipe orifice extend forwards and are radially enclosed, and the diameter of the cone top beam orifice corresponds to the diameter of a screw rod.

The bolt rod with a bullet piece is arranged in the bolt pushing seat at the rear end of the frame plate, the top end of the bolt rod is positioned at the rear through hole of the bottom cavity of the nail box clamping bin, the bolt rod moves forwards and respectively penetrates through the bottom cavity, the front through hole, the rear through hole and the through pipe to the through pipe bundle opening, and the circular diameter of the bolt rod corresponds to the circular diameter of the built-in minimum nail cap.

The nail box in rectangular column shape can be moved and positioned at two sides, at least one front-back clamping bin is arranged in the box, screws are transversely stacked in a T-shaped groove or a clamping ring of the clamping bin which is communicated with each other, the clamping spaces of the clamping bins on which the nail caps are stacked are communicated, the upper part of the clamping bins is open, the width of each clamping bin is larger than the diameter of a circle of the built-in screw cap, and the length and the depth of each clamping bin are equal.

The circle diameters of the bottom cavity at the lowest end of the nail box clamping bin and the front and rear through holes correspond to the circle diameter of the screw cap.

The hollow clamping part at the rear end of the nail box is provided with a spring pressing part, the spring pressing part is of a spring rib structure, a plurality of vertical rods with bottom ring blocks are fixedly connected below the pressing plate corresponding to the shape of the upper opening of the hollow clamping part of the nail box, the spring ribs penetrate through the bottom ring blocks of the plurality of vertical rods and then are fixedly connected with the rib adjusting disc at two ends, and the vertical rods are positioned at two sides of each nail cap in the hollow clamping part of the nail box; or the spring pressing piece is of a spring rod structure, the lower ends of a plurality of spring pressing vertical rods which are slidably mounted on the pressing plate are fixedly connected with a bottom ring block, the bottom ring block correspondingly presses down screw caps in each clamping space, and the clamping piece on one side of the pressing plate is fixedly positioned and clamped with the nail box rear plate.

The nail mechanism comprises a rotating rod, a folded plate and a bolt seat, wherein the rear end of the rotating rod is sleeved with an elastic piece and clamped in the bolt seat, and the top end of the folded plate, which is vertically and fixedly connected with the top end of the rotating rod, is provided with at least one concave conical clamping opening.

The folded plate comprises a straight plate and an arc plate, one end of the straight plate is vertically and fixedly connected with the top end of the rotating rod, the other end of the straight plate is provided with a single elastic clamping opening, clamping blocks on two sides of the single elastic clamping opening can be elastically opened and closed, the two elastic clamping blocks are respectively of a structure that the front side is a semicircular slope surface and the rear side is a semicircular straight hole corresponding to the through pipe binding opening, and the two elastic clamping blocks are closed to form a funnel-shaped concave cone clamping opening and can vertically and elastically clamp screw rods with different circular diameters; or the circle center of the arc plate is vertically and fixedly connected with the top end of the rotating rod, a plurality of fixed concave cone clamping openings corresponding to the nail rods with different circular diameters are arranged on the arc edge of the arc plate, and the screw rods can be laterally separated from the fixed concave cone clamping openings.

The invention has the beneficial effects that: the screw arranging and conveying frame is arranged on the handheld electric drill, and the screw pressing mechanism solves the problems of sequential arrangement and sequential arrangement of screws with different diameters and lengths in different bins; the nail pushing mechanism solves the problem that long rod screws cannot be pushed due to the fact that the material pipe inclines; the screw rotating mechanism solves the problems of vertical clamping and installation of screws and difficult separation of clamping openings and screws; the screw machine has the advantages of simple structure, low cost, no need of electrically driven chain riveting, change of the current situations of heavy carrying, complex operation and small application range of the screw machine in the prior art, and the product has competitiveness and wide market prospect.

Drawings

FIG. 1 is a front view of a concave cone clamp opening on a rotating rod folded plate in front of a through tube bundle opening.

Fig. 2 is a front elevational view of a female tapered jaw of the stem flap of the present invention positioned on the drill driver shaft.

FIG. 3 is a front left side view of a concave tapered jaw of a rotary arm flap of the present invention positioned on a driver shaft of an electric drill;

FIG. 4 is the front left view of the concave conic jaw on the turning rod folding plate in the through tube bundle opening.

Fig. 5 is a perspective view of a concave tapered jaw of the stem flap of the present invention positioned in front of a driver shaft of an electric drill.

FIG. 6 is a perspective view of the concave cone clamping opening of the turning bar folded plate in front of the through tube bundle opening.

FIG. 7 is a perspective view of the multiple through pipes and the through holes of the nail box of the present invention.

Fig. 8 is a perspective view of the single through pipe at the front end of the frame plate and the through hole of the movable nail box in positioning and butt joint.

Fig. 9 is a perspective view of the arc folding plate vertically connected with the rotating rod provided with a plurality of concave cone clamping openings.

Fig. 10 is a perspective view of a flap depending from a stem of the present invention with a single resilient female tapered opening.

FIG. 11 is a perspective view of the spring tab of the present invention in a ribbed manner.

Fig. 12 is a perspective view of the manner in which the biasing member biases the drop bar according to the present invention.

Reference numerals are used.

The nail pushing mechanism 1, the frame plate 11, the clamping seat 111, the clamping piece 112, the side plate 113, the through pipe 12, the binding opening 121, the pushing bolt 13, the bolt seat 131, the bolt rod 132, the elastic piece 133, the nail arranging mechanism 2, the nail box 21, the clamping cabin 211, the T-shaped groove 2111, the clamping cavity 2112, the bottom cavity 2113, the through hole 2114, the elastic pressing piece 22, the pressing plate 221 vertical rod 222, the bottom ring block 223, the bottom ring 2231, the elastic rib 224, the rib adjusting disc 225, the nail rotating mechanism 3, the rotating rod 31, the folded plate 32, the concave conical clamping opening 321, the clamping block 3211, the electric drill 4, the machine body 41, the clamping head 42, the screwdriver rod 43, the screw 5, the screw cap 51 and the screw rod 52.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in the figure, the electric drill screw arranging and feeding frame comprises a screw pushing mechanism 1, a screw arranging mechanism 2 and a screw rotating mechanism 3.

1. A nail pushing mechanism.

As shown in fig. 1 to 6, the nail pushing mechanism includes a frame plate 11, a through pipe 12, and a pushing bolt 13, the frame plate 11 is disposed on the electric hand drill 4, a fastener 112 on the bottom surface is fastened and fastened with the front end of the electric drill body 41, the through pipe 12 is installed on the front end of the frame plate for transmitting a screw 5, the middle is a fastener seat 111 for positioning and fastening a nail box 21 which can move to both sides, the pushing bolt 13 is installed on the rear end for pushing the screw 5 in each bottom cavity 2113 of the nail box into the through pipe, the through pipe 12 and the pushing bolt 13 are in the same straight line, and a side plate 113 perpendicular to one side of the frame plate is fixedly connected with a bolt seat 131 with a bolt 132.

The front end of the through pipe 12 is located on the upper side of an electric drill chuck 42, the rear end of the pipe and front through holes 2114 of each clamping bin bottom cavity at the lower end of the nail box are respectively positioned, superposed and communicated, a front pipe opening of the through pipe is an elastic cone claw binding opening 121, the structure is that a plurality of elastic sheets around the pipe opening extend forwards and naturally and centripetally enclose to form a cone shape, a cone top is a round hole corresponding to the round diameter of a screw rod, the screw rod passes through the binding opening and can be kept not inclined, the nut is vertically inserted into a folded plate concave cone clamping opening 321 at the front end of the binding opening, the nut passes through the binding opening to extrude the elastic sheet to be outwards stretched.

As shown in fig. 8, the through pipe 12 can be fixed on the front section of the frame plate 11, a single pipe is arranged, the pipe diameter corresponds to the maximum nut diameter, and the screw can pass through the pipe, and the through pipe integrally designed with the nail box is not described here.

As shown in fig. 1 and 5, the bolt seat 131 of the push bolt 13 is fixedly installed at the rear section of the frame plate 11, a bolt rod 132 and a spring 133 are installed in a bolt seat slide chamber, the top end of the bolt rod is located outside a rear through hole 2114 of a bottom cavity at the lower end of the nail box clamping bin in a natural state, the bolt rod is pushed forward, a rod body penetrates through the bottom cavity of the nail box, the front through hole, the rear through hole and the through pipe, the rod top reaches the opening of the through pipe, and meanwhile, a screw 5 in the bottom cavity of the nail box is pushed into a folded plate concave cone clamping opening 321 of the nail rotating mechanism outside the opening of the.

The clamping seat 111 in the middle of the frame plate comprises a clamping groove and a clamping rail which are arranged in the vertical direction of the frame plate, the nail box moves towards two sides, and a positioning clamping piece 112, such as a ball-hitting clamping bolt, is arranged, so that the bottom cavity 2113 and the front and rear through holes 2114 of each clamping cabin can be respectively positioned to be in butt joint with the through pipe 12 and the push bolt 13 and are positioned on the same straight line.

2. And a nail arranging mechanism.

As shown in fig. 7, 8 and 11, the strip nail mechanism comprises a nail box 21 and a pressing member 22, the nail box is rectangular column-shaped, at least one clamping bin 211 in the front and back direction is arranged in the nail box, the clamping bin is a t-shaped groove 2111 which is through up and down and has a shape corresponding to a horizontal screw, nail tips are stacked in multiple layers at the back of a front nail cap, clamping spaces 2112 of the clamping bins for clamping the nail caps are communicated, the upper part of each clamping bin is open, so that the pressing member 22 can be conveniently installed, or two sides of the root part of a screw rod 52 in the clamping bin are provided with vertical clamping strips, and a screw cap 51 is positioned in the clamping space 2112 behind the.

The width of each clamping bin is different, the width of each clamping bin is larger than the diameter of a screw cap, so that a vertical rod of a spring pressing piece can be inserted into a clamping cavity of each clamping bin, the length and the depth of each clamping bin are uniform, screws 5 with different diameters and different lengths can be stacked respectively, the lowest layer of each clamping bin is a straight cylindrical bottom cavity 2113, through holes 2114 are formed in the front and the back of each clamping bin, the circular diameter of each through hole corresponds to the screw cap located in the bottom cavity, the screws 5 can move forwards into the through pipes 12, the screws above the bottom cavities can only move downwards and cannot move forwards due to limitation, after screws in the bottom cavities are pushed out, the bolt rods retreat out of the bottom cavities, the screws on the upper layers are pressed to fall into the bottom cavities, the space of the bottom cavities and the upper layers of the clamping bins are designed compactly, and the screws in the bottom.

As shown in fig. 11 and 12, the hollow part at the rear end of the nail box 21 is provided with a spring 22, and the structure is as follows: the lower part of a pressing plate 221 corresponding to the shape of an upper opening of a staple box clamping space is fixedly connected with a hanging rod 222, the lower end of the hanging rod is fixedly connected with a rectangular or circular bottom ring 2231, the length of the hanging rod corresponds to the depth of the staple box, two ends of a spring rib 224 are fixedly connected with a rib adjusting disc 225 at two ends of the pressing plate, the spring rib penetrates through a plurality of hanging rod bottom rings 2231, the tightness of the spring rib is adjusted, a spring pressing piece 22 is inserted and clamped by the staple box clamping space 2112, the hanging rod is located at the position between the corresponding clamping spaces at the rear end of the staple box, the spring rib 224 between the two hanging rods tightens and presses down a staple cap 51 in each clamping space, so that the screw has downward moving force, the pressure on the staple cap in each clamping space is basically balanced due to the fact that the spring rib in the hanging rod bottom ring can be adjusted in a sliding mode, the screw in the clamping space is slightly influenced by the screw, the tightness of the spring rib can be adjusted by the rib adjusting disc, and the vertical opening hanging plate at the rear side.

The elastic pressing mode of the hanging rod can also be adopted, the hanging rod 222 is vertically moved and installed on the pressing plate 221, the lower end of the hanging rod is fixedly connected with a bottom ring block 223, an elastic piece 133 is sleeved on the rod body from the bottom ring block to the pressing plate, the shape of the bottom ring block 223 of each hanging rod corresponds to the shape of the pressed clamping space, and a separation plate is arranged between each clamping space.

As shown in fig. 7 and 8, the nail box has two structures, including a non-through pipe nail box and a through pipe nail box.

The non-through pipe nail box 21 is matched with a single fixed through pipe 12 at the front end of the frame plate for use, through holes 2114 with corresponding circular diameters are formed in the front and the back of each bin bottom cavity 2113 in the nail box, the nail box 21 is clamped on the frame plate clamping seat 111 and can move on two sides, each bin front through hole 2114 can be positioned and overlapped with the opening of the frame plate fixed single through pipe 12, the positioned bin bottom cavity 2113, the through holes 2114 and the push bolt 13 are linear, and the operation of pushing the screw 5 can be carried out.

The nail box of the drainage pipe comprises: the plurality of through pipes 12 are integrally provided with the staple cartridge 21: the nail box 21 is fixedly connected with the through hole 2114 in the front of each bottom cavity of the clamping bin, the through pipe 12 with the corresponding pipe diameter is fixedly connected with the frame plate 11, and the fixed through pipe is not arranged on the frame plate 11, so that when the nail box is used, only the nail box of the row through pipe on the frame plate clamping seat needs to be moved, and the through hole 2114 in the back of the bottom cavity of the clamping bin, which is internally provided with the required round diameter screw, is.

The diameter of the bolt 132 of the push bolt corresponds to the minimum nut diameter, so that the bolt can be inserted into each bottom cavity 2113 of the clamping bin and the front and rear through holes 2114 to push the screws 5, the running length of the bolt 132 is equal to the distance from the rear through hole 2114 of the bottom cavity of the nail box to the through pipe bundle opening 121, and the screws 5 in the bottom cavity of the nail box can be pushed into the concave cone clamping openings 321 of the rotating rod folded plate.

3. The nail rotating mechanism.

As shown in fig. 5 and 6, the dowel mechanism 3 includes a rotating rod 31, a folded plate 32, and a bolt seat 131, the bolt seat is fixedly connected with the side plate 113 of the shelf board, the top end of the rotating rod is vertically fixedly connected with the folded plate 32, the rear end of the rotating rod is provided with a spring 133, and the spring 133 is slidably clamped in the bolt seat 131.

The folded plate 32 comprises a straight plate and an arc plate, one end of the straight plate is vertically and fixedly connected with the top end of the rotating rod, the other end of the straight plate is provided with a single elastic clamping opening, or the arc center of the arc plate is vertically and fixedly connected with the top end of the rotating rod, the arc edge is provided with a plurality of fixed concave cone clamping openings 321 with different sizes, clamping blocks 3211 on two sides of the single elastic clamping opening can be elastically opened and closed, the two elastic clamping blocks are respectively a rear half circular straight hole with a front semicircular slope surface and a rear half circular straight hole with a rear half circular straight hole corresponding to the pipe bundle opening 121 and are closed to form a funnel-shaped concave cone clamping opening, the tip of a screw rod is easy to slide into the circular straight hole at the cone top when touching the slope surface of the clamping opening, a screw rod 52 opens a clamping surface and inserts into the elastic clamping opening; the arc periphery of the arc plate is provided with a plurality of fixed concave cone clamping openings corresponding to the screws with different circular diameters, and the different clamping openings can be positioned to be correspondingly clamped with the screws with different circular diameters according to requirements.

The radial distance from the rotating rod to the folded plate concave cone clamping opening 321 corresponds to the radial distance from the rotating rod to the through pipe beam opening and from the rotating rod to the electric drill starter rod, namely, the distance from the rotating rod to the folded plate concave cone clamping opening is used as a radius to draw an arc, the through pipe beam opening 121 and the electric drill starter rod 43 are both positioned on the same-diameter arc line, under a natural state, the rotating rod rebounds, the concave cone clamping opening 321 of the rotating rod folded plate is positioned in front of the through pipe beam opening 121, the rotating rod forwards moves and rotates for a proper angle, and the concave cone clamping opening 321 of the folded plate is positioned in front of the electric drill starter rod 43.

4. The working principle is as follows.

As shown in fig. 1 to 12, a frame plate 11 is horizontally arranged on an electric drill 4, a clamping piece 112 at the bottom of the plate is clamped and fixed with a front machine body 41 of the electric drill, a single through pipe 12 is arranged at the front end of the frame plate and is in the same straight line with a push bolt 13 at the rear end, a rear pipe orifice of the through pipe 12 is respectively positioned and superposed with a front through hole 2114 of each clamping bin bottom cavity of a non-through pipe nail box 21, screws 5 with different circular diameters are respectively superposed in T-shaped grooves or clamping grooves of each clamping bin 211 in the nail box, a nail cap 51 is arranged in the clamping bin 2112 at the rear end, a spring pressing piece 22 is inserted into the clamping bin 2112 at the rear end of the nail box and is clamped and fixed, a bottom ring 2231 of a vertical rod is arranged between two nuts 51 in the clamping bin, a spring rib 224 between the two vertical rods presses each nut downwards, or a movable vertical rod bottom ring block 223 of a pressing plate is arranged in each clamping bin 2112 which is separated and presses downwards, the nail box 21 provided with a spring pressing piece is clamped and arranged on the, Between the push bolts 13, the through pipe 12, the screw 5 in the bottom cavity and the bolt rod 132 are arranged in a straight line, the bolt rod 132 is pushed forward, the rod top passes through the rear through hole 2114 of the bottom cavity of the nail box clamping bin, the push screw 5 moves forward, at the moment, the screw 5 on the upper layer cannot move forward due to the limitation of a T-shaped groove or a clamping strip, and the bolt rod 132 cannot fall down in the bottom cavity because of the operation, the screw 5 on the bottom layer passes through the through pipe binding opening 121 and then is inserted into the concave cone clamping opening 321 of the rotating rod folded plate in front of the binding opening, the rotating rod is moved forward and rotated by a proper angle, so that the screw 5 clamped in the concave cone clamping opening of the folded plate is positioned in front of the electric drill screw driver rod 43, the screw driver rod tip abuts against the tail part of the screw 5, the electric drill is started, the screw is drilled into an object, the concave cone clamping opening of the folded plate is separated from the screw, the screw is screwed down under the action of natural elasticity, the concave cone clamping opening of, the next operation can be carried out, and the screw replacement can be realized only by moving the screw box to ensure that the clamping bin of the required round screw is correspondingly and linearly arranged with the through pipe and the push bolt.

The row through pipe nail box 21 directly aligns the rear through hole 2114 of the clamping bin bottom cavity of the required round diameter screw with the push bolt 13 at the rear end, and the front through pipe bundle opening 121 is aligned with the concave cone clamping opening 321 corresponding to the rotating rod folded plate.

The horizontal moving distance of the rotating rod corresponds to the distance from the front end of the through beam opening 121 to the top end of the screwdriver rod 43.

Claims

1. Electric drill screw arranges and send frame its characterized in that: including pushing away nail mechanism, chain riveting mechanism, commentaries on classics nail mechanism, pushing away the nail mechanism and including frame plate, siphunculus, push away the bolt, on the electric drill was arranged in to the frame plate tie, the frame plate bottom was blocked admittedly with the electric drill solid, the siphunculus of frame plate front end, the push away of rear end is sharp setting, moves the nail box that the chain riveting mechanism was put to the card on the cassette that sets up in the middle of the frame plate, and each presss from both sides storehouse bottom chamber and preceding, back through-hole and remove respectively and align with siphunculus, push away the bolt location in the nail box, changes the commentaries on classics nail mechanism's bull stick rear end elasticity joint in the key seat of frame plate one side, and the concave cone of bull stick top folded plate presss from both sides the mouth and arranges the siphuncul.

2. The electric drill screw racking rack of claim 1, wherein: the through pipe of the single fixed pipe is fixedly connected with the front end of the frame plate, and the pipe diameter corresponds to the diameter of the maximum screw cap; or the rear ends of the through pipes with different circular diameters are respectively fixedly connected with the front through hole sides of the nail box with the corresponding circular diameters of the bottom cavities of the clamping bins.

3. The electric drill screw racking rack of claim 2, wherein: the front pipe orifice of the through pipe is an elastic cone claw beam orifice, a plurality of elastic sheets on the periphery of the pipe orifice extend forwards and are radially enclosed, and the diameter of the cone top beam orifice corresponds to the diameter of a screw rod.

4. The electric drill screw racking rack of claim 1, wherein: the bolt rod with a bullet piece is arranged in the bolt pushing seat at the rear end of the frame plate, the top end of the bolt rod is positioned at the rear through hole of the bottom cavity of the nail box clamping bin, the bolt rod moves forwards and respectively penetrates through the bottom cavity, the front through hole, the rear through hole and the through pipe to the through pipe bundle opening, and the circular diameter of the bolt rod corresponds to the circular diameter of the built-in minimum nail cap.

5. The electric drill screw racking rack of claim 1, wherein: the nail box in a rectangular column shape can be movably positioned at two sides, at least one front-back clamping bin is arranged in the nail box, screws are transversely stacked in vertically through T-shaped grooves or clamping grooves of the clamping bins, clamping spaces of the clamping bins on which the nail caps are stacked are communicated, the upper part of each clamping bin is open, the width of each clamping bin is larger than the diameter of a circle of the built-in screw cap, and the length and the depth of each clamping bin are equal.

6. An electric drill screw racking rack as claimed in claim 5, wherein: the circle diameters of the bottom cavity at the lowest end of the nail box clamping bin and the front and rear through holes correspond to the circle diameter of the screw cap.

7. An electric drill screw racking rack as claimed in claim 5, wherein: the hollow clamping part at the rear end of the nail box is provided with a spring pressing part, the spring pressing part is of a spring rib structure, a plurality of vertical rods with bottom rings at the bottom ends are fixedly connected with the lower surface of a pressing plate corresponding to the shape of an upper opening of the hollow clamping part of the nail box, the spring ribs penetrate through the bottom rings of the plurality of vertical rods and then are fixedly connected with the rib adjusting disc at the two ends, the vertical rods are positioned at the two sides of each nail cap in the hollow clamping part of the nail box, and the clamping part at one side of the pressing plate is fixedly positioned with; or the elastic pressing piece is of an elastic rod structure, the lower ends of a plurality of elastic pressing vertical rods which are slidably arranged on the pressing plate corresponding to the shape of the upper opening of the nail box clamping space are fixedly connected with a bottom ring block, the bottom ring block correspondingly presses down screw caps in the clamping spaces, and the clamping piece on one side of the pressing plate is fixedly positioned and clamped with the nail box rear plate.

8. The electric drill screw racking rack of claim 1, wherein: the nail rotating mechanism comprises a rotating rod, a folded plate and a bolt seat, wherein the rear end of the rotating rod is sleeved with a spring piece and clamped in the bolt seat, and the top end of the folded plate, which is vertically and fixedly connected with the top end of the rotating rod, is provided with at least one concave conical clamping opening.

9. An electric drill screw racking rack as defined in claim 8, wherein: the folded plate is a straight plate, one end of the straight plate is vertically and fixedly connected with the top end of the rotating rod, the other end of the straight plate is provided with a single elastic clamping opening, clamping blocks on two sides of the single elastic clamping opening can be elastically opened and closed, the two elastic clamping blocks are respectively of a structure with a semicircular slope surface on the front side and a semicircular straight hole on the rear side corresponding to the through pipe bundle opening, and the folded plate is closed to form a funnel-shaped concave cone clamping opening which can vertically and elastically clamp screw rods with different circular diameters; or the folded plate is an arc plate, the circle center of the arc plate is vertically and fixedly connected with the top end of the rotating rod, a plurality of fixed concave cone clamping openings corresponding to the nail rods with different circular diameters are arranged on the arc edge of the arc plate, and the screw rods can be laterally separated from the fixed concave cone clamping openings.