CN108724074A - A kind of electric screwdriver device - Google Patents

A kind of electric screwdriver device Download PDF

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Publication number
CN108724074A
CN108724074A CN201810540404.8A CN201810540404A CN108724074A CN 108724074 A CN108724074 A CN 108724074A CN 201810540404 A CN201810540404 A CN 201810540404A CN 108724074 A CN108724074 A CN 108724074A
Authority
CN
China
Prior art keywords
screw
positioning
positioning pipe
electric screwdriver
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810540404.8A
Other languages
Chinese (zh)
Inventor
王松林
戴甲洪
何云敖
李月
龚彭娜
赖环宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangtze Normal University
Original Assignee
Yangtze Normal University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangtze Normal University filed Critical Yangtze Normal University
Priority to CN201810540404.8A priority Critical patent/CN108724074A/en
Publication of CN108724074A publication Critical patent/CN108724074A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02Arrangements for handling screws or nuts
    • B25B23/04Arrangements for handling screws or nuts for feeding screws or nuts
    • B25B23/06Arrangements for handling screws or nuts for feeding screws or nuts using built-in magazine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B23/00Details of, or accessories for, spanners, wrenches, screwdrivers
    • B25B23/02Arrangements for handling screws or nuts
    • B25B23/08Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation
    • B25B23/12Arrangements for handling screws or nuts for holding or positioning screw or nut prior to or during its rotation using magnetic means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)

Abstract

The invention discloses a kind of electric screwdriver devices,Including electric screwdriver ontology,Electric screwdriver body interior is provided with motor,Motor and the screwdriver bit for stretching out electric screwdriver ontology front end are drivingly connected,It further include the storage device being arranged in electric screwdriver ontology front end,Positioning device,Feed device and guide frame,Storage device is located above electric screwdriver ontology front end and for realizing the storing of screw,Positioning device is located at below storage device and for realizing the positioning in front of screw face screwdriver bit,Feed device linking will be sent into positioning device between storage device and positioning device and for that will be located at storage device bottom screw,Guide frame is set between positioning device and electric screwdriver ontology and is slided backwards for realizing positioning device,And so that screwdriver bit can penetrate positioning device and the screw release completion screw in it is screwed on when sliding.Storage device, positioning device, feed device and guide frame are matched and are continuously assembled using realization screw.

Description

A kind of electric screwdriver device
Technical field
The present invention relates to screwdrivers, more particularly to a kind of electric screwdriver device.
Background technology
Screw is common connector in manufacturing industry and construction industry.At present for needing a large amount of fields for using screw connection Closing mostly is the front end for the screwdriver bit that the screw head of screw is placed in screwdriver, then is directed at the place to be screwed togather and screws in, and completion is once spirally connected Or spiral shell consolidates operation.Mostly it is by operating personnel manually to positive screw head and screwdriver bit front end in specific connection procedure, per complete At the primary operation that is spirally connected, it is required for again to just.
Existing screw connection manner cannot be assembled continuously, it is necessary to be one one and be assembled by manually mode, and deposit In security risk, it is exposed to outer screwdriver bit and screw is likely to that the hand of operating personnel or other body parts can be produced Raw injury, further screw cannot be fixed, in assembly screw cannot perpendicular to be assembled surface be likely to result in screw or Screw thread stripped thread causes the damage of parts or part.
Invention content
The technical problem to be solved in the present invention is:How a kind of electric screwdriver device is provided so that screw can connect Continuous assembly, improves efficiency, while improving safety and the installation quality of screw installation procedure.
In order to solve the above-mentioned technical problem, present invention employs the following technical solutions.
A kind of electric screwdriver device, including electric screwdriver ontology, electric screwdriver body interior are provided with motor, horse The screwdriver bit for reaching and stretching out electric screwdriver ontology front end is drivingly connected, which is characterized in that further includes being arranged in electric screwdriver sheet Storage device, positioning device, feed device and the guide frame of body front end, the storage device include a storing shell, storage It is formed above material shell body there are one the screw placement cavity that upper end has screw merging opening, the length of screw placement cavity is located at Between the length of 1-2 times of screw ready for use, the storage device be located above electric screwdriver ontology front end and for realizing To the storing of screw ready for use, the positioning device includes the first positioning pipe being arranged along the longitudinal direction, the first positioning pipe and Screwdriver bit is coaxially disposed, and the first positioning bore is between the one times of outer diameter and two times of outer diameters of the stub end of screw ready for use and just To being set in front of screwdriver bit, the length of the first positioning pipe is more than the length of screw ready for use, and the positioning device is located at storing Below device and for realizing the positioning in front of screw face screwdriver bit ready for use, the feed device linking in storage device and It will be sent into positioning device between positioning device and for storage device bottom screw will to be located at, the guide frame is set to positioning It is slided backwards between device and electric screwdriver ontology and for realizing positioning device, and so that screwdriver bit can penetrate positioning when sliding Screw release completion screw in it is simultaneously screwed on by device.
In this way, screw is fixed in positioning device by the device, realize screw and screwdriver bit to just, avoiding screwdriver bit in this way And screw is exposed to generating injury to the hand of operating personnel or other body parts.Storage device conveniently takes for storing With feed device send the screw of storage into positioning device, facilitates continuous use.Guide frame facilitates completion screw to squeeze into rotation The process connect.It in this way can be to avoid the hand assembled of screw and to just, improving efficiency, and screw by the device Will not be exposed in positioning device, it avoids generating injury to human body.The setting of screw placement cavity is convenient to feed from top, uses It is more convenient.The length of screw placement cavity is located between the length of 1-2 times of screw ready for use.In this way, conveniently passing through positioning Device realization is fed one by one.
Preferably, the bottom of the first positioning pipe inner peripheral surface is provided with the first shrapnel paid upwards diagonally forward, the One shrapnel, which is in, falls into a mouthful medium position, and the upper surface of the first shrapnel is horizontal plane, and the horizontal plane is along the first positioning pipe axial direction Width is more than the screw pitch of screw thread section ready for use, and the first positioning pipe inner peripheral surface bottom is in wedge block and the first shrapnel bottom Between position to raised straight up, height of projection is the radius of the first positioning pipe and screw stub end radius ready for use Difference, initial value of the first shrapnel upper surface at a distance from the axis of the first positioning pipe are the major diameter of screw thread section to be used Half.
In this way, wherein initial value be screw to be used thread segment put up after value.Screw is fallen by falling into mouth in this way Fall behind stub end and vertical projection contacts, thread segment is located on the upper surface of shrapnel, and screw axis and the may be implemented in this way One screwed pipe axis overlaps, convenient to be subsequently screwed on screwdriver bit to just.
Preferably, the first positioning pipe inner peripheral surface also sets up two the second shrapnels, two the second shrapnels are by the first shrapnel edge First positioning pipe axis or so is rotated by 90 ° to obtain respectively.
In this way, the setting of the second shrapnel preferably positioning screw can avoid screw from being rotated along own axes direction.It is more square Just completion is screwed on process.
Preferably, the guide frame includes leading of being located at that one formed below storing shell is arranged along the longitudinal direction To chamber, guiding chamber cross section is rounded and is coaxially disposed with screwdriver bit, and guide frame further includes being located at the first positioning pipe rear end A guide end, the guide end coordinates in directed cavity room in which can slide back and forth.
In this way, guide frame is simple and reliable so that the first positioning pipe can be slided backward swimmingly and make the spiral shell in it Nail is gone out by nail.
It is formed in the guide cylinder that one is fixed as one with storing shell preferably, being oriented to chamber, the guiding knot Structure further includes the resetting spring that an annular is set in outside guide cylinder, and coaxial fixing sleeve sets that there are one the outside first positioning pipe The coaxial isometric alignment of two positioning pipes, the first positioning pipe front end and the second positioning pipe is arranged and front end is fixed as one, the first positioning There are the gap being caught in is slided for guide cylinder between pipe and the second positioning pipe rear end, the second positioning pipe rear end and resetting spring abut Load.
In this way, resetting spring is the helical spring in compressive state, the setting of spring can easily realize positioning dress The rebound set, convenient after completing a screw and being screwed on, automatically reseting to be screwed on for screw next time preferably prepares.
Preferably, the feed device includes a wedge block, wedge block upper surface is inclined wedge shape forward and up Face, wedge block are fixed on the second positioning pipe upper surface back-end location, and the screw placement cavity bottom is provided with along the longitudinal direction The lozenges top of guide slit, the wedge block extends upwardly into guide slit, screw placement cavity front bulkhead lower part and rear end Wall lower part all have can for wedge block by resigning breach, the resigning breach of screw placement cavity front bulkhead lower part can allow Screw passes through, and first positioning pipe and the second positioning pipe upper surface middle part are located at position in front of wedge block respectively there are one along front and back for tool What direction opened up falls into mouth, falls into confession screw and drops into the first positioning pipe.
In this way, wedge block mainly conveniently ticks the screw ready for use in screw placement cavity, spring makes Second positioning pipe moves forward, and wedge block is positioned into first in tube cavity for ticking screw, and by falling into mouth at this time, It is convenient so easily to realize that continuous bookbinding is realized in self-feeding, improve efficiency.
Preferably, resetting spring is installed in a spring installation cavity outside guide cylinder, spring installation cavity is formed Between a spring mounting cylinder and guide cylinder, spring mounting cylinder upper end has what is be pierced by and slide back and forth for wedge block to allow Position seam.
In this way, the setting of spring mounting cylinder can better position reset spring, and protect the rear end of the second positioning pipe, Avoid the rear end that movement coordinates exposed.
Preferably, storing shell includes front side board, back side panel, left plate, right plate and partition board, wherein front side board is with after The equal parallel baffle setting of side plate and the front and back side for being located at partition board, left plate and right plate are respectively perpendicular front and back side plate setting, Lower section is extended with guide plate in the diagonal for the inside of left plate lower part and the lower part of right plate, and two pieces of guide plates are to being mutually arranged, and two The opposite two lower gaps setting of block guide plate constitutes the guide slit, partition board front side board, left plate and right plate and guiding Plate constitutes the screw placement cavity, and partition board constitutes the rear chamber slid into for wedge block with front side board, left plate and right plate, The resigning breach is located at below front side board and back side panel and is connected to seam of stepping down.
In this way, above structure discloses screw placement cavity and the specific set-up mode of guide slit, what is be arranged obliquely leads Screw is facilitated to roll down in guide slit to plate, by ticking for wedge block, realization is continuously used cooperatively.
Preferably, further including a shell, the storage device, positioning device, feed device and guide frame are solid On the shell, case nose forms the socket structure for being connect with electric screwdriver ontology front end taper surface cover for fixed setting.
In this way, outer housing can be stored individually, convenient for splitting and storage, fast and easy combines when utilization.When it is implemented, Can also be directly shell subject under discussion is fixed at it is easy to use on electric screw.
Preferably, the screwdriver bit is magnetic screwdriver bit.
In this way, screw is irony, magnetic screwdriver bit, which can be conveniently accomplished, attracts screw to complete to positive process, and use is more square Just.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of electric screwdriver device provided in an embodiment of the present invention;
Fig. 2 is that first positioning pipe and the second positioning pipe connect and compose in a kind of electric screwdriver device provided in an embodiment of the present invention Component structural schematic diagram.
Wherein, 1 it is socket structure, 2 be screwdriver bit, 3 be spring mounting cylinder, 4 be resetting spring, 5 be guide cylinder, 6 is second Positioning pipe, 7 be the first positioning pipe, 8 be back side panel, 9 be partition board, 10 be front side board, 11 be guide plate, 12 be wedge block, 13 be Limiting plate, 14 are the first shrapnel.
Specific implementation mode
The present invention is described in detail with reference to the accompanying drawings and examples.
The invention discloses a kind of electric screwdriver device, including electric screwdriver ontology, electric screwdriver body interiors It is provided with motor, motor and the screwdriver bit 2 for stretching out electric screwdriver ontology front end are drivingly connected, which is characterized in that further include setting In the storage device of electric screwdriver ontology front end, positioning device, feed device and guide frame, the storage device is located at electricity Above dynamic screwdriver ontology front end and for realizing the storing to screw ready for use, the positioning device is located under storage device Just and for realizing the positioning in 2 front of screw face screwdriver bit ready for use, the feed device linking is in storage device and positioning It will be sent into positioning device between device and for storage device bottom screw will to be located at, the guide frame is set to positioning device It is slided backwards between electric screwdriver ontology and for realizing positioning device, and so that screwdriver bit 2 can penetrate positioning dress when sliding It sets and the screw in it is released into completion screw and be screwed on.
In this way, screw is fixed in positioning device by the device, realize screw with screwdriver bit 2 to just, avoiding criticizing in this way First 2 and screw it is exposed to generating injury to the hand of operating personnel or other body parts.Storage device is convenient for storing It takes, feed device send the screw of storage into positioning device, facilitates continuous use.Guide frame facilitates completion screw to squeeze into The process being screwed on.It in this way can be to avoid the hand assembled of screw and to just, improving efficiency, and spiral shell by the device Nail will not be exposed in positioning device, avoids generating injury to human body.
In the present embodiment, the storage device includes a storing shell, and there are one upper ends for the top formation of storing shell Screw placement cavity with screw merging opening.
In this way, convenient feed from top, it is more convenient to use.
In the present embodiment, the length of screw placement cavity is located between the length of 1-2 times of screw ready for use.
In this way, convenient be fed one by one by positioning device realization.
In the present embodiment, the positioning device includes the first positioning pipe 7 being arranged along the longitudinal direction, the first positioning pipe 7 It is coaxially disposed with screwdriver bit 2,7 internal diameter of the first positioning pipe is between the one times of outer diameter and two times of outer diameters of the stub end of screw ready for use And face is set to 2 front of screwdriver bit, the length of the first positioning pipe 7 is more than the length of screw ready for use.It is carried out with tubular element Positioning, simple in structure, positioning is reliable, and facilitates and carry out being slidably matched so that screw is released backward.
Simple in structure in this way, positioned with tubular element, positioning is reliable, and facilitate carry out backward be slidably matched with It is released for screw.
In the present embodiment, the bottom of 7 inner peripheral surface of the first positioning pipe is provided with the first shrapnel 14 paid upwards diagonally forward, First shrapnel 14, which is in, falls into a mouthful medium position, and the upper surface of the first shrapnel 14 is horizontal plane, and the horizontal plane is along the first positioning pipe 7 Axial width is more than the screw pitch of screw thread section ready for use, and 7 inner peripheral surface bottom of the first positioning pipe is in wedge block 12 and the To protrusion straight up, height of projection is the radius of the first positioning pipe 7 and spiral shell ready for use at position between one shrapnel, 14 bottom The difference of stub end radius is followed closely, initial value of 14 upper surface of the first shrapnel at a distance from the axis of the first positioning pipe 7 is to be used The half of the major diameter of screw thread section.
In this way, wherein initial value be screw to be used thread segment put up after value.Screw is fallen by falling into mouth in this way Fall behind stub end and vertical projection contacts, thread segment is located on the upper surface of shrapnel, and screw axis and the may be implemented in this way One screwed pipe axis overlaps, convenient to be subsequently screwed on screwdriver bit to just.
In the present embodiment, 7 inner peripheral surface of the first positioning pipe also sets up two the second shrapnels, and two the second shrapnels are by the first bullet Piece is rotated by 90 ° to obtain respectively along 14 first positioning pipe, 7 axis or so.
In this way, the setting of the second shrapnel preferably positioning screw can avoid screw from being rotated along own axes direction.It is more square Just completion is screwed on process.Specific first shrapnel and the second shrapnel can be V-arrangement shrapnel, and the setting forward of V-arrangement shrapnel opening, first is fixed The lower end and left and right ends of position 7 inner peripheral surface of pipe are respectively arranged with V-arrangement shrapnel, and the quantity of V-arrangement shrapnel is three, and V-arrangement shrapnel side is solid It is scheduled on 7 inner peripheral surface of the first positioning pipe, the axis of the other side towards the first positioning pipe 7 tilts, and tilting the end of side can prop up The thread segment for supportting screw ready for use makes screw axis be overlapped with 7 axis of the first positioning pipe.
In the present embodiment, the guide frame includes being located at one formed below storing shell to be along the longitudinal direction arranged Guiding chamber, be oriented to chamber cross section it is rounded and with screwdriver bit 2 be coaxially disposed, guide frame further include be located at the first positioning pipe One guide end of 7 rear ends, the guide end coordinate in directed cavity room in which can slide back and forth.
In this way, guide frame is simple and reliable so that the first positioning pipe 7 can be slided backward swimmingly and make the spiral shell in it Nail is gone out by nail.
In the present embodiment, chamber is oriented to be formed in the guide cylinder 5 that one is fixed as one with storing shell, it is described to lead Further include the resetting spring 4 that an annular is set in outside guide cylinder 5 to structure, coaxial fixation is arranged first positioning pipe 7 outside There are one the second positioning pipe 6,7 front end of the first positioning pipe and the 6 coaxial isometric alignment setting of the second positioning pipe and front end are fixed as one Body, there are sliding the gap being caught in for guide cylinder 5 between 6 rear end of the first positioning pipe 7 and the second positioning pipe, after the second positioning pipe 6 End and resetting spring 4 abut load.
In this way, resetting spring 4 is the helical spring in compressive state, the setting of spring can easily realize positioning dress The rebound set, convenient after completing a screw and being screwed on, automatically reseting to be screwed on for screw next time preferably prepares.
In the present embodiment, the feed device includes a wedge block 12, and 12 upper surface of wedge block is to incline forward and up Oblique lozenges, wedge block 12 are fixed on 6 upper surface back-end location of the second positioning pipe, and the screw placement cavity bottom is before and after Direction is provided with guide slit, and the lozenges top of the wedge block 12 extends upwardly into guide slit, screw placement cavity front end Wall lower part and aft bulkhead lower part all have can for wedge block 12 by resigning breach, screw placement cavity front bulkhead lower part Resigning breach can allow screw to pass through, and 7 and second positioning pipe of the first positioning pipe, 6 upper surface middle part is located at 12 front of wedge block There are one what is opened up along the longitudinal direction to fall into mouth for each tool in position, falls into confession screw and drops into the first positioning pipe 7.
In this way, wedge block 12 mainly conveniently ticks the screw ready for use in screw placement cavity, spring makes It is moved forward in the second positioning pipe 6, wedge block 12 enters the first positioning pipe 7 for ticking screw, and by falling into mouth at this time So that it is convenient to can easily realize that continuous bookbinding is realized in self-feeding in inner cavity, efficiency is improved.
In the present embodiment, resetting spring 4 is installed in a spring installation cavity outside guide cylinder 5, spring installation Chamber is formed between a spring mounting cylinder 3 and guide cylinder 5, and 3 upper end of spring mounting cylinder has to be pierced by simultaneously for wedge block 12 The resigning seam slid back and forth.
In this way, the setting of spring mounting cylinder 3 can better position reset spring 4, and protecting will be after the second positioning pipe 6 End avoids the rear end that movement coordinates exposed.
In the present embodiment, storing shell includes front side board 10, back side panel 8, left plate, right plate and partition board 9, wherein before Side plate 10 is arranged with 8 equal parallel baffle 9 of back side panel and is located at the front and back side of partition board 9, and left plate and right plate are respectively perpendicular Front and back side plate 8 is arranged, and lower section is extended with guide plate 11 in the diagonal for the inside of the lower part of left plate lower part and right plate, and two pieces are led To plate 11 to being mutually arranged, two opposite lower gaps of two pieces of guide plates 11, which are arranged, constitutes the guide slit, 9 front side board 10 of partition board, Left plate and right plate and guide plate 11 constitute the screw placement cavity, partition board 9 and front side board 10, left plate and right plate Constitute the rear chamber that is slid into for wedge block 12, the resigning breach be located at below front side board 10 and back side panel 8 and with allow Position seam connection.
In this way, above structure discloses screw placement cavity and the specific set-up mode of guide slit, what is be arranged obliquely leads Screw is facilitated to roll down in guide slit to plate 11, by ticking for wedge block 12, realization is continuously used cooperatively.
In the present embodiment, further include a shell, the storage device, positioning device, feed device and guide frame It is fixedly installed on the shell, case nose forms the socket structure 1 for being connect with electric screwdriver ontology front end taper surface cover.
In this way, outer housing can be stored individually, convenient for splitting and storage, fast and easy combines when utilization.When it is implemented, Can also be directly shell subject under discussion is fixed at it is easy to use on electric screw.
In the present embodiment, the both sides for falling into mouth of the second positioning pipe 6 along being extended with one end straight panel, straight panel upwards outward Upper end is connected with upward outwardly directed limiting plate 13, is offered on front side board 10 and partition board 9 for limiting plate 13 and straight panel insertion Crack, two straight panels cooperation opened up on spring mounting cylinder 3 resigning seam in, two limiting plates 13 are located at two guide plates 11 Lower section.
In this way, the setting of limiting plate 13 mainly constitutes a targeting port, prevent from falling outside screw.Simultaneously report is limited to also act as The effect that limitation feed device rotates in a circumferential direction, it is ensured that wedge block 12 preferably limits and to just.
In the present embodiment, screwdriver bit 2 is magnetic screwdriver bit.
In this way, screw is irony, magnetic screwdriver bit, which can be conveniently accomplished, attracts screw to complete to positive process, and use is more square Just.

Claims (10)

1. a kind of electric screwdriver device, including electric screwdriver ontology, electric screwdriver body interior are provided with motor, motor It is drivingly connected with the screwdriver bit for stretching out electric screwdriver ontology front end, which is characterized in that further include being arranged in electric screwdriver ontology Storage device, positioning device, feed device and the guide frame of front end, the storage device include a storing shell, storing It is formed above shell there are one the screw placement cavity that upper end has screw merging opening, the length of screw placement cavity is located at 1- Between the length of 2 times of screws ready for use, the storage device is located above electric screwdriver ontology front end and for realizing right The storing of screw ready for use, the positioning device include the first positioning pipe being arranged along the longitudinal direction, the first positioning pipe and batch Head coaxial arrangement, the first positioning bore is between the one times of outer diameter and two times of outer diameters of the stub end of screw ready for use and face It is set in front of screwdriver bit, the length of the first positioning pipe is more than the length of screw ready for use, and the positioning device is located at storing dress It sets lower section and for realizing the positioning in front of screw face screwdriver bit ready for use, the feed device linking is in storage device and determines It will be sent into positioning device between the device of position and for storage device bottom screw will to be located at, the guide frame is set to positioning dress It sets between electric screwdriver ontology and is slided backwards for realizing positioning device, and so that screwdriver bit can penetrate positioning dress when sliding It sets and the screw in it is released into completion screw and be screwed on.
2. electric screwdriver device as described in claim 1, which is characterized in that the bottom of the first positioning pipe inner peripheral surface is set It is equipped with the first shrapnel paid upwards diagonally forward, shrapnel, which is in, falls into a mouthful medium position, and the upper surface of the shrapnel is horizontal plane, should Horizontal plane is more than the screw pitch of screw thread section ready for use, the first positioning pipe inner peripheral surface bottom along the width of the first positioning pipe axial direction Position between wedge block and shrapnel bottom raises up, and height of projection is the radius of the first positioning pipe and spiral shell ready for use The difference of stub end radius is followed closely, initial value of the first shrapnel upper surface at a distance from the axis of the first positioning pipe is screw to be used The half of the major diameter of thread segment.
3. electric screwdriver device as claimed in claim 2, which is characterized in that the first positioning pipe inner peripheral surface also sets up two Two shrapnels, two the second shrapnels are rotated by 90 ° to obtain respectively by the first shrapnel along first positioning pipe axis or so.
4. electric screwdriver device as described in claim 1, which is characterized in that the guide frame includes being located at storing shell The guiding chamber being arranged along the longitudinal direction that lower section is formed, guiding chamber cross section is rounded and is coaxially disposed with screwdriver bit, Guide frame further includes a guide end positioned at the first positioning pipe rear end, and the guide end coordinates in which can slide back and forth to be oriented to In chamber.
5. electric screwdriver device as claimed in claim 4, which is characterized in that be oriented to chamber and be formed in one and storing shell In the guide cylinder being fixed as one, the guide frame further includes the resetting spring that an annular is set in outside guide cylinder, described Coaxial fixing sleeve is set there are one the second positioning pipe outside first positioning pipe, and the first positioning pipe and the coaxial isometric alignment of the second positioning pipe are set It sets and front end is fixed as one, there are sliding the gap that is caught in for guide cylinder between the first positioning pipe and the second positioning pipe rear end, Second positioning pipe rear end and resetting spring abut load.
6. electric screwdriver device as claimed in claim 5, which is characterized in that the feed device includes a wedge block, Wedge block upper surface is inclined lozenges forward and up, and wedge block is fixed on the second positioning pipe upper surface back-end location, described Screw placement cavity bottom is provided with guide slit along the longitudinal direction, and the lozenges top of the wedge block extends upwardly into guide slit It is interior, screw placement cavity front bulkhead lower part and aft bulkhead lower part all have can for wedge block by resigning breach, screw puts Emptying the resigning breach of chamber front bulkhead lower part can allow screw to pass through, first positioning pipe and the second positioning pipe upper surface middle part Positioned at position in front of wedge block, respectively there are one what is opened up along the longitudinal direction to fall into mouth for tool, falls into confession screw and drops into the first positioning pipe It is interior.
7. electric screwdriver device as claimed in claim 6, which is characterized in that resetting spring is installed on outside guide cylinder In one spring installation cavity, spring installation cavity is formed between a spring mounting cylinder and guide cylinder, on the spring mounting cylinder Hold the resigning seam for having and being pierced by and slide back and forth for wedge block.
8. electric screwdriver device as claimed in claim 6, which is characterized in that storing shell includes front side board, back side panel, a left side Side plate, right plate and partition board, wherein front side board are arranged with the equal parallel baffle of back side panel and are located at the front and back side of partition board, left side Plate and right plate are respectively perpendicular front and back side plate and are arranged, and lower section is stretched out in the diagonal for the inside of the lower part of left plate lower part and right plate There is guide plate, for two pieces of guide plates to being mutually arranged, the opposite two lower gaps setting of two pieces of guide plates constitutes the guide slit, partition board Front side board, left plate and right plate and guide plate constitute the screw placement cavity, partition board and front side board, left plate and right side Plate constitutes the rear chamber slid into for wedge block, and the resigning breach is located at below front side board and back side panel and is stitched with stepping down Connection.
9. electric screwdriver device as claimed in claim 8, which is characterized in that further include a shell, the storage device, Positioning device, feed device and guide frame are fixedly installed on the shell, and case nose, which is formed, to be used for and electric screwdriver sheet The socket structure that body front end taper surface cover connects.
10. 1-9 any one of them electric screwdriver device as claimed in claim, which is characterized in that the screwdriver bit is magnetism Screwdriver bit.
CN201810540404.8A 2018-05-30 2018-05-30 A kind of electric screwdriver device Withdrawn CN108724074A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810540404.8A CN108724074A (en) 2018-05-30 2018-05-30 A kind of electric screwdriver device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810540404.8A CN108724074A (en) 2018-05-30 2018-05-30 A kind of electric screwdriver device

Publications (1)

Publication Number Publication Date
CN108724074A true CN108724074A (en) 2018-11-02

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CN201810540404.8A Withdrawn CN108724074A (en) 2018-05-30 2018-05-30 A kind of electric screwdriver device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110561320A (en) * 2019-09-17 2019-12-13 长江师范学院 Automatic screw releasing device of multifunctional electric drill

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CN202825665U (en) * 2012-08-25 2013-03-27 石家庄冀电培训服务中心 Screw driver facilitating location of screws
CN103302622A (en) * 2013-06-18 2013-09-18 昆山杰迪克电子有限公司 Screw feeding fixture
CN104907983A (en) * 2014-03-10 2015-09-16 苏州宝时得电动工具有限公司 Electric screwdriver

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CN110561320B (en) * 2019-09-17 2021-12-03 长江师范学院 Automatic screw releasing device of multifunctional electric drill

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