CN1120989A - Screw feeder - Google Patents

Abstract

The screw feeder includes a housing, an extensible working part and a screw driver. The screw driver is detachably scarfed in front of the working part and the working part is clamped easily inside the housing. The tail part of the housing has a combining holder for connecting electric drill so that the screw feeder can rotate relatively to electric drill for changing holding direction and tightening screw.

Description

Screw feeder

The invention relates to a kind of screw feeder, be meant a kind of screw feeder fast and easy to use of assembling especially.

A kind of screw auto-feeder 1 in the past as shown in Figure 1, mainly comprises the shackle 11 that can be screwed together in electrical drilling machine, the driver 12 that can be driven, and can compressed master reply members such as element 13 because electrical drilling machine moves.Wherein driver 12 has two travelling gears 121 of engageable screw belt, and can drive in good time that travelling gear 121 rotates a set angle collude body 122.Simultaneously described auto-feeder 1 be provided with can with the guide plate 14 that colludes body 122 relative motions, and the front end of guide plate 14 can convexedly stretch in the outside.Cooperate again please that to consult Fig. 2 be that the auto-feeder of screw machine in the past is in the view that screws togather action, when auto-feeder 1 is screwed on the electrical drilling machine 2, the front end of its rotating shaft 21 will be stretched 121 of two travelling gears that place auto-feeder 1, and in alignment with 22 front ends of the screw on the screw belt (not shown), then, the front end of guide plate 14 touched to be against desire to screw togather on object 23 surfaces at place, then, starting electrical drilling machine 2 rotates, and apply a compressing power to object 23 surfaces, the rotating shaft 21 of electrical drilling machine 2 will drive that screw 22 rotates and reach, finish screw 22 and be screwed into the effect that screws togather in the object 23.When the front end of electrical drilling machine 2 touches location-plate 15, just represent that screw 22 finished the default action that screws togather, this moment, main answer element 13 is in confined state, and collude double wedge the place ahead that body 122 also moves forward to two travelling gears 121, and when releasing imposes on the compressing power of motor 2, the main element 13 of replying just can be by means of its back stretch and with electrical drilling machine 2 pushed home, move after simultaneously will colluding body 122 in the lump, make and collude body 122 and collude two travelling gears 121 and rotate a tooth pitch, and then the drive screw belt moves a setpoint distance, cause next screw to enter to rotating shaft 21 the place aheads of electrical drilling machine 2, so that screw togather use next time, thereby reach the effect of auto-feed screw.

Therefore, this auto-feeder 1 when screwing togather screw 22, its driver 12 collude the reach action that body 122 is only made camber line, the travelling gear 121 that can't drive driver 12 rotates, and also just screw belt is moved.But finish and during reinstatement when it screws togather, collude body 122 and drive screw belt via the transmission of travelling gear 121 and move, next screw is entered automatically screw togather the position, reach the effect of continuous feed screw.But, in order to reach the purpose of aforementioned auto-feed, the shackle of being carried before auto-feeder 1 had except need possess in the past 11, the main element 13 of replying, guide plate 14, driver 12 collude body 122 and travelling gear 121, outside the main member of location-plate 15 grades, the centre mount 16 of the travelling gear 121 that still must cooperation can be pivoted, with flexible member 171 and the slide 17 that colludes body 122 bindings, can drive time answer element 18 of slide 17 reinstatements, can be for colluding the arc road 123 that body 122 moves, and many elements such as housing 19 that each element of auto-feeder 1 can be coated.Therefore,, must earlier housing 19 be pulled down, then separate the element of desire maintenance again,, increase the degree of difficulty in the maintenance, also make the raising of maintenance cost because the element of required mounting or dismounting is many if when this auto-feeder 1 needs maintenance or maintenance.

In addition, auto-feeder 1 was to combine with screw-in version with electrical drilling machine 2 in the past, so the direction that is screwed into of its screw 22 must be the same with the gripping direction of electrical drilling machine 2, just, its place of screwing togather is restricted, when locating to desire to screw togather for some uneven or contiguous corners, corner etc., because of electrical drilling machine 2 can't relatively rotate with auto-feeder 1, be difficult to screw togather operation, therefore quite inconvenient in operation:

From the above mentioned as can be known, auto-feeder still has following shortcoming in the past:

1. assemble loaded down with trivial details and keep in repair and be difficult for:

The composed component of auto-feeder was quite a lot of in the past, the disappearance that increases manufacturing cost is not only arranged, and also constitute loaded down with trivial details tired the scratching of assembling, auto-feeder is to utilize a housing that its all members are coated in it in the past simultaneously, so when desiring to maintain or hinder maintenance, this shell must be pulled down just and can carry out, so easy-maintaining not really.

2. the direction that is screwed into of screw is restricted:

Auto-feeder and electrical drilling machine were to link mutually with screw-in version in the past, therefore screw is screwed into the gripping direction that direction is subject to electrical drilling machine, when needs change electrical drilling machine gripping direction and can not change the working environment that is screwed into direction again, auto-feeder just can't use in the past, had to use inconvenient disappearance.

Main purpose of the present invention provides a kind of screw feeder, have easy to use, assemble and keep in repair effect fast.

According to above-mentioned purpose, the present invention is characterized in that described screw feeder is simplified to casing, scalable mobile Actuator Division and the three big members such as drive portion that can drive Screw band of fit interlocking mutually, utilize the technology of concavo-convex interlocking and make drive portion can install and remove front end easily in the Actuator Division, and utilize the means of concavo-convex clamping again and make the Actuator Division can assemble the inside that is positioned casing easily, reach and reduce the composed component number and effect is fast keeped in repair in assembling.

The present invention comprises the casing of a hollow form, can stretch for one to place casing and casing and the Actuator Division of telescopic moving relatively, and one is embedded in the Actuator Division front end and can drives the main parts such as drive portion that Screw band moves in good time.Wherein, the front end of casing is provided with caulking groove, and the rear end of drive portion is formed with the clip bar of the caulking groove that can be embedded in casing, and the front end of Actuator Division also is formed with and can inserts the conduit of location for the clip bar of drive portion, and make the Actuator Division can be placed in the casing, utilize the clip bar of drive portion to locate simultaneously simultaneously and be embedded on casing and the Actuator Division, the effect that reaches quick assembling or disassemble screw feeder, and then have effect easy to repair.In addition, the tail end of casing is pivoted with a connecting support that can link electrical drilling machine, and screw feeder can be relatively rotated with electrical drilling machine, reaches conversion to grip the effectiveness that direction also can be screwed into screw.

Below in conjunction with drawings and Examples screw feeder of the present invention is elaborated:

Fig. 1 is the cutaway view of the auto-feeder of screw machine in the past.

Fig. 2 is the view of auto-feeder when screwing togather action of screw machine in the past.

Fig. 3 is the three-dimensional partly exploded view of a preferred embodiment of the present invention.

Fig. 4 is the Actuator Division of the above-mentioned preferred embodiment of the present invention and the three-dimensional partly exploded view of drive portion.

Fig. 5 is the longitudinal sectional view after the above-mentioned preferred embodiment assembling of the present invention.

Fig. 6 is the transverse sectional view after the above-mentioned preferred embodiment assembling of the present invention.

Fig. 7 is the longitudinal sectional view behind the above-mentioned preferred embodiment compressed action of the present invention.

Fig. 8 is the transverse sectional view behind the above-mentioned preferred embodiment compressed action of the present invention.

At first, what see also Fig. 3 a preferred embodiment of the present invention is three-dimensional partly shown in the exploded view, and by showing among the figure, the screw feeder of present embodiment includes a hollow form casing 3, can stretch the main part such as drive portion 5 grades that the Actuator Division 4, that places casing 3 is positioned Actuator Division 4 front ends for one.Wherein, casing 3 is to screw togather mutually and form with two shell sheets, and constitute the joint 30 of a ring-type at its tail end, simultaneously respectively be provided with relative caulking groove 31 (as shown in phantom in FIG.) in the front end both sides of casing 3 in addition, and each inwardly convexes with a stops 36 in casing 3 leading edges of described two caulking grooves 31 of next-door neighbour, and offers in addition a scarce hole 37 with casing 3 internal communication on one of them stops 36.Joint 30 places of casing 3 can set the connecting support 32 that an inside has screw thread 321 again, and described connecting support 32 is hollow forms and is provided with a locating ring 322 that protrudes in the one ora terminalis, described connecting support 32 can be sheathed on the joint 30 of casing 3.Offer a perforation 35 in addition in a side of casing 3, and in most the scrobicula traces 351 that have been peripherally installed with of described perforation 35, and the plectane 34 with eccentric projection 341 can be arranged in casing 3 inside, and its eccentric projection 341 can be stretched out by the perforation 35 of casing 3, utilize a turn-button 33 that can be fixed on the described eccentric projection 341 again, make plectane 34 can be hubbed at casing 3 inside, and can utilize the turn-button 33 of casing 3 outsides to rotate.Be equipped with two sensing steel balls 332 between turn-button 33 and casing 3 outer walls simultaneously, this two sensings steel ball 332 is when turn-button 33 does not rotate, its part pearl body is absorbed in any two scrobicula traces 351, and when turn-button 33 turns to predetermined angular, this two sensings steel ball 332 can move together and fall on other the two scrobicula traces 351, send the sound of " card " simultaneously, so just represent that plectane 34 has forwarded preposition to.In addition, the front end of Actuator Division 4 has a joint seat 41, respectively be provided with a conduit 412 in the two sides of joint seat 41, and in described, separative two hollow form guide pillars 413,414 are extended in the rear end of joint seat 41, simultaneously at 413,414 siphunculus 415 that are provided with a hollow form of two guide pillars, and the outer shroud at siphunculus 415 is arranged with an answer element 416 (as spring), and stretch two conduits 412 that place joint seat 41 respectively in the both sides that the front end of replying element 416 can be suppressed fixture block 417, the 414 described fixture blocks 417 of a shape.Rear end as for Actuator Division 4 has a slide 42, described slide 42 offers three through holes 421,422,423 respectively, two guide pillars 413,141 of confession joint seat 41 and siphunculus 415 are stretched and are put respectively, and offer the microscler breach 424 that can be communicated with one of them through hole 421 in its lateral surface.

Please cooperate again and consult Fig. 4, be the Actuator Division of the above-mentioned preferred embodiment of the present invention and the three-dimensional partly exploded view of drive portion, wherein drive portion 5 has the pedestal 51 of a hollow form, the front end of described pedestal 51 is provided with a passage 511 that can supply the Screw band (not shown) to place, and the both sides, rear end in pedestal 51 are respectively equipped with clip bar 512, and on each clip bar 512, be formed with a depressed area 510, simultaneously on the wall of the both sides, inside of pedestal 51, respectively be pivoted with a gear 52, in addition, on pedestal 51 1 sides, can be connected with a trimmer 53, the front end of described trimmer 53 is provided with a conflict face 51, and on trimmer 53, offer most the adjustment holes 532 that are communicated with and a location slotted hole 533, make it can utilize one to adjust screw 54 and pass any and adjust hole 532 and trimmer 53 is fixed on the side of pedestal 51, and when unscrewing this adjustment screw 54, trimmer 53 can move relative to pedestal 51, thereby the distance of change conflict face 531 and pedestal 51 front ends, the location slotted hole 533 of trimmer 53 can install for the anchor point 513 that is convexly set on pedestal 51 sides simultaneously, when trimmer 53 moves, anchor point 513 is limited in the slotted hole 533 of location whereby, and trimmer 53 can not be offset, cause trimmer 53 smooth and easyly stably to move horizontally.In addition, Actuator Division 4 still has a catch bar 43, the front end of described catch bar 43 is pivoted with a driving head 44, and be horizontally set with a driving handle 441 in the front end of driving head 44, on the shaft of catch bar 43, be arranged with simultaneously a flexible member 45, and this catch bar 43 is arranged in the guide pillar 413 of joint seat 41, and the rear end of catch bar 43 utilizes a reference column 431 to plug and be positioned in the through hole 421 of slide 42, the top of described reference column 431 is stretched the microscler breach 424 that places slide 42 again.

Please consult Fig. 5 more simultaneously, it is the longitudinal sectional view after the preferred embodiment assembling of the present invention, Fig. 6 is the transverse sectional view after the preferred embodiment assembling of the present invention, please cooperate Fig. 3,4, when desire assembling screw feeder, eccentric projection 341 with plectane 34 is stretched out by the perforation 35 of casing 3 earlier, and then turn-button 33 spiral shells are located at protrude on the outer eccentric projection 341 of casing 3, simultaneously be equipped with two corresponding sensing steel balls 332 in 3 Tibetan of turn-button 331 and casing, and then its two shells sheet screwed togather mutually and the casing 3 of prominent shape in being combined into, and do not screw togather fully as yet when finishing in this casing 3, can earlier the locating ring 322 of connecting support 32 be placed the concave ring groove 301 of joint 30 inside of casing 3, when casing 3 screws togather when finishing fully, the locating ring 322 of connecting support 32 also can positioning sleeve be located at concave ring groove 301 places of the joint 30 of casing 3, and allow casing 3 to rotate, so just finish the assembling operation of casing 3 relative to connecting support 32.

Then, again the catch bar 43 of Actuator Division 4 is placed in guide pillar 413 inside of joint seat 41, simultaneously, in regular turn with shape fixture block 417 with reply element 416 and successively be sheathed on the external annulus of siphunculus 415 of joint seat 41, then with two guide pillars 413 of joint seat 41,414 and siphunculus 415 aim at three through holes 421 of slide 42 respectively, 422,423 insert again, the end that will be sheathed on the answer element 416 on the siphunculus 415 is simultaneously stretched the through hole 423 that places slide 42 centres, and touch on the protruding lip that is butted on these through hole 423 ends, and utilize two locating pieces 425 to be placed in two through holes 421 of slide 42 respectively again, in 422, and be fixed at two guide pillars 413 of joint seat 41,414 end, and make this two guide pillar 413,414 can not break away from corresponding two through holes 421, in 422.At last, guide pillar 413 and terminal locating piece 425 thereof are passed in the rear end of catch bar 43, and be revealed in the through hole 421 of slide 42, and utilize location 431 to link this catch bar 43 of location, make it can not break away from described guide pillar 413 inside, so just finished the assembling operation of Actuator Division 4.

Simultaneously, the other end of the flexible member 45 on the catch bar 43 is to touch the protruding lip that is butted on described guide pillar 413 inside, cooperate reference column 431 to be subjected to the restriction of the microscler breach 424 of slide 42 again, when slide 42 does not move or moves when finishing relative to joint seat 41 as yet, the flexible member 45 of catch bar 43 is the states that stretching, so when slide 42 begins when joint seat 41 moves, catch bar 43 can be along with moving, touch the guide pillar 413 of joint seat 41 until reference column 431 after, catch bar 43 is moving with slide 42 no longer.Then, Actuator Division 4 is placed in the casing 3, slide 42 rear ends of Actuator Division 4 are bumped hinder in the joint 30 of casing 3 inner and locate, and two conduits 412 of the joint seat 41 of Actuator Division 4 are aimed at two caulking grooves 31 of casings 3 front at this moment, simultaneously, the driving handle 441 of catch bar 43 front ends of Actuator Division 4 is revealed in casing 3 front end outsides.

At last, adjustment screw 54 on the pedestal 1 of drive portion 5 is unscrewed, and extreme direction spurs trimmer 53 before pedestal 51, till the location of trimmer 53 slotted hole 533 is run into anchor point 513 on the pedestal 51, at this moment, the end of trimmer 53 will and 512 of the clip bars of pedestal 51 rear ends form a spacing, this spacing greater than 31 of housing 3 front ends and its caulking grooves apart from distance, then two clip bars 512 of pedestal 51 rear ends are aimed at two caulking grooves 31 of casing 3, and make the trimmer 53 on the pedestal 51 be positioned at the same side with turn-button 33 on the casing 3, two clip bars 512 with pedestal 51 are pressed in two caulking grooves 31 of casing 3 then, and two conduits 412 that following the joint seat 41 of Actuator Division 4 move, and then can push the front end that is positioned at the shape fixture block 417 on this two conduit 412, move and compression reaction element 416 after making described fixture block 417, when the depressed area 510 of described two clip bars 512 arrives the position of fixture block 417, the front end of fixture block 417 just can utilize the restoring force of its answer element 416 and be embedded in the depressed area 510 of clip bar 512, reaches the purpose that drive portion 5 is embedded in Actuator Division 4.Simultaneously, the end face of two clip bars 512 just can be positioned at casing 3 end faces below, and can allow joint seat 41 inner mobile to casing 3 with pedestal 51, and utilize two stops 36 of casing 3 front-end edge inboards, can prevent of the front port disengaging of two clip bars 152 of pedestal 51 by casing 3, the trimmer 53 that makes pedestal 51 again is inserted into casing 3 inside by the scarce hole 36 of casing 3 front-end edges, can prevent that then pedestal 51 is broken away from by caulking groove 31 places of casing 3, so just finish pedestal 51 and be connected with, also finish the assembling operation of whole screw feeder in the chimeric action of joint seat 41 front ends.

By can significantly finding out among Fig. 5, on pedestal 51 inwalls of each gear 52 below of 3 pedestals, 51 inside, all convex with a guide block 55, the bottom surface of described guide block 55 is downward-sloping guiding faces 551, the front-end edge of guide block 55 also is provided with a preceding guide face 552 of oblique ascension backward simultaneously, and also forms an oblique ascension face 515 on pedestal 51 inwalls of relative guide block 55 front ends.In addition, pedestal 51 inner near end face places are fixedly provided with a reed 516, and but described reed 516 front end bifurcateds are not tally 517, this front end of not tally 517 is downward-sloping respectively and touch the root of one of them double wedge 520 that is butted on two gears 52, make described two gears 52 be subjected to this reed 516 touch to, can only do unidirectional rotation.When drive portion 5 was embedded at the front end of Actuator Division 4, the driving handle 441 of catch bar 43 front ends of Actuator Division 4 was positioned at guiding face 551 the place aheads of two guide blocks 55 of pedestal 51 inside.

See also Fig. 7, it is the longitudinal section behind the preferred embodiment compressed action of the present invention, with Fig. 8, it is the sectional elevation behind the preferred embodiment compressed action of the present invention, also please cooperate Fig. 5,6, when present embodiment will be applied to screw togather operation, described screw feeder must be as Fig. 7, be connected in the front end of an electrical drilling machine 6 in 8 shown in the imaginary line, so just constitute the screw feeding machine that screw can be screwed togather automatically, the Screw band (not shown) that will be positioned with most screws then is inserted in the passage 511 of pedestal 51, and the Screw band both sides are engaged in respectively on the double wedge 520 of two gears 52 of pedestal 51, the front end of electrical drilling machine 6 is screwed together in the connecting support 32 of casing 3 simultaneously, and make its rotating shaft 61 pass the through hole 423 of the slide 42 of Actuator Division 4 in regular turn, the siphunculus 415 of the joint seat 41 of Actuator Division 4, and the front end that makes described rotating shaft 61 is stretched pedestal 51 inside that place drive portion 5, and aim at one of them screw cap 81 of Screw band, then described screw feeder is claimed to object 7 surfaces of desiring to screw togather the place, and the conflict face 531 that makes trimmer 53 front ends of drive portion 5 is resisted against on object 7 surfaces, then, holding electrical drilling machine 6 to object 7 pressuring directions, a direction face like this will force casing 3 to drive slide 42 and move and compression reaction element 416 relative to joint seat 41 and pedestal 51, other direction also makes the front end of the rotating shaft 61 of electrical drilling machine 6 be inserted in the screw cap 81 simultaneously, start electrical drilling machine 6 runnings then, make rotating shaft 61 drive screw 8 rotations, and advance together towards the forward thrust of object 7 pressuring directions along with continuing, with these screw 8 precessions in object 7.At this moment, screw 8 can be pressed the forward thrust of changeing because of rotating shaft 61, and break up and break away from Screw band, bump when hindering until the plectane 34 of casing 3 inside in trimmer 53 terminal, casing 3 just can't move forward again, and screw 8 also is screwed in the object 7 fully this moment, thereby finishes the operation that screws togather of described screw 8.

But, when originally casing 3 is being with slide 42 when joint seat 41 moves, catch bar 43 can borrow sheathed flexible member 45 on it restoring force and along with moving, after the reference column 431 of catch bar 43 ends touched the guide pillar 413 of joint seat 41, catch bar 43 is moving with slide 42 no longer.When catch bar 43 moves, the driving handle 441 of catch bar 43 front ends will follow the guiding face 551 of pedestal 51 guide blocks 55 earlier and moving to the leading on the face of liter 515 of pedestal 51, continue following the guiding of leading the face of liter 515 again, and stop in as shown in Figure 7 the state, just when catch bar 43 was no longer mobile, the driving handle 441 of its front end was positioned at preceding guide face 552 the place aheads of the guide block 55 of pedestal 51.In addition, when finish screw togather operation after, with regard to the electrical drilling machine 6 of no longer exerting pressure, at this moment, slide 42 borrow its inside answer element 416 restoring force and be with casing 3 to move backward together, and when the microscler breach 424 of slide 42 touches reference column 431 in catch bar 43 once more, move after just can spurring catch bar 43, and then move after driving the driving handle 441 of its front end, move after making driving handle 441 to tilt to rise along with the preceding guide face 552 of guide block 55, causing two gears 52 of pedestal 51 can be driven handle 441 is being with and is rotating, till driving handle 441 breaks away from guide block 55, be driving handle 441 original position states shown in Figure 5 and reply, this moments two, gears 52 rotated a tooth pitch synchronously, and then drove the Screw band setpoint distance that advances, and prepared to screw togather position (being exactly the front position in alignment with rotating shaft 61) and the screw cap of next screw is positioned at, so that carry out the operation that screws togather next time, so the effect that the shown screw feeder of present embodiment can reach the continuous feed screw and screw togather really.

Please consult shown in Fig. 3,5,6 again, the screw length that will screw togather when present embodiment surpass pedestal 51 passage 51 (and 531 in the conflict face of its trimmer 53 apart from the time, can unscrew adjusting screw 54 earlier, then, after pulling trimmer 53 makes the fine stern of its conflict face 531 and described screw be positioned at same position, to adjust screw 54 again and screw location trimmer 53, and so just can increase the displacement of casing 3 and slide 42, so that finish the operation that is screwed into of this screw.In addition, the screw cap kind of screw is numerous, and the screw of equal length, if screw cap kind or specification are not simultaneously, the length of its screw cap is also inequality, so when running into the screw cap of non-baried type, though its screw length is equal, but difference that also might the coping screw ailhead, and cause the distance that need be screwed into difference to some extent, but this species diversity but can't borrow the trimmer 53 of pedestal 51 to be adjusted, this is because trimmer 53 is adjusted according to screw length, and the gap that the adjustment hole of being offered on the trimmer 53 is 532 is the size disparity of presetting, so can't be used for adjusting the situation that this species diversity is little and specification is indefinite.But present embodiment then can utilize the plectane 34 of eccentric rotary to reach this purpose, the outer turn-button 33 of rotating housing 3 just, make its inner plectane 34 can eccentric rotary, and the front end of change plectane 34 and the distance between trimmer 53 ends on the pedestal 51, and then can increase or shorten the displacement of casing 3 relative pedestals 51, therefore present embodiment really can be applicable to different size or length screw cap screw togather operation, improve its practical value.In addition, the connecting support 30 that the present embodiment utilization can be rotated relative to casing 3, be fixed at the front end of electrical drilling machine, do not changing under the situation that is screwed into angle, electrical drilling machine can rotate relative to casing 3, so that the operator that the operator is selected optimal gripping electrical drilling machine to, so present embodiment has operates superiority easily.

By the explanation of above embodiment as can be known, the present invention is relatively summarized the present invention and has following effect and advantage with screw machine in the past:

1. the dismounting operation is easy fast:

The present invention is the three big members such as hollow form casing 3, Actuator Division 4 and drive portion 5 that utilize unique design, make Actuator Division 4 can be inserted in the casing 3 easily, and utilize the interlocking mode drive portion 5 to be embedded at the front end of Actuator Division 4, and drive portion 5 can be positioned on the casing 3 with Actuator Division 4 simultaneously, have the effect of assembling or dismantling equal quick and convenient:

2. the maintenance maintenance is easily:

But the member that the present invention intermittently rotates driven gear 52 especially is designed to be placed in the Actuator Division 4 and the catch bar 43 that can intermittently move, and has the effect of simplifying spare part; Add aforementioned dismounting of the present invention advantage easily, the present invention is maintained easily, and more can reduce, and have the advantage that reduces fault rate because of spare part.2. operation is just used:

3. easy to operate:

The connecting support 32 that utilization of the present invention can be rotated relative to casing 3, when the present invention uses in conjunction with electrical drilling machine 6, can not change under the situation that is screwed into angle of screw, adjust the direction or the angle that grip motor 6, and can be applicable to different operating environments, have and operate effectiveness easily.

4. the scope of application is big:

The present invention also can be by the setting of the plectane 34 of eccentric rotation, fine setting casing 3 is pressed the distance of moving, make the present invention also can be applicable to the screw cap with different size or kind screw be screwed into operation, therefore enlarged the scope of application of the present invention, and improved practical value of the present invention more.

In sum, the present invention is by the member of casing, Actuator Division and the drive portion etc. of the interlocking of fit mutually, the effect that reaches quick assembling or disassemble screw feeder, and then have effect easy to repair.And the tail end of casing is pivoted with a connecting support that can link electrical drilling machine, and screw feeder can be relatively rotated with electrical drilling machine, reaches conversion to grip the effectiveness that direction also can be screwed into screw.

Claims (6)

1. screw feeder comprises the casing of a hollow form, stretch for one to place casing and casing and the Actuator Division of telescopic moving relatively, and one is embedded in the Actuator Division front end and drives the drive portion that Screw band moves; Be characterised in that:

The front end of casing is provided with caulking groove, and the rear end of drive portion has the clip bar of the caulking groove that is embedded in casing and the blocking bar of drive portion also to insert the conduit that is positioned the Actuator Division front end.

2. screw feeder according to claim 1 is characterized in that:

Casing is to screw togather mutually and form with two shell sheets, and form the joint of a ring-type at its tail end, simultaneously be provided with relative described caulking groove in the front end both sides of casing, and each inwardly is convexly equipped with a stops in the casing leading edge of described two caulking grooves of next-door neighbour, and offers a scarce hole with the casing internal communication on one of them stops.

3. screw feeder according to claim 1 is characterized in that:

Described Actuator Division comprises a slide that is inserted in the casing, and the joint seat of being located at the slide front end and can moving relative to slide, and respectively be provided with a conduit in the two sides of joint seat, and in two hollow form guide pillars of the rear end of described joint seat extension separation, between two guide pillars, be provided with simultaneously the siphunculus of a hollow form, and reply element sheathed one of the outer shroud of siphunculus, and the front end of replying element is suppressed a fixture block that is shape, and the both sides of described fixture block are to stretch two conduits that place joint seat respectively;

Simultaneously be respectively equipped with three through holes on slide, two guide pillars of joint seat and siphunculus are stretched respectively and are placed described three through holes, and offer a microscler breach that is communicated with one of them through hole in described slide lateral surface;

The front end that described Actuator Division also has a described catch bar of catch bar is pivoted with a driving head, and be horizontally set with a driving handle in the front end of driving head, on the shaft of catch bar, be arranged with simultaneously a flexible member, and this catch bar places described one of them guide pillar of joint seat, and the rear end of catch bar plugs a reference column and is positioned in one of them through hole of slide, microscler breach that places slide and the blind end that is resisted against microscler breach are stretched in the top of described reference column, the end that is sheathed on the answer element on the siphunculus is stretched the through hole that places slide middle, and touches on the protruding lip that is butted on this through hole end.

4. screw feeder according to claim 1 is characterized in that:

Drive portion is the pedestal of a hollow form, its front end is provided with a passage that can supply Screw band to place, and the both sides, rear end of pedestal are respectively equipped with the clip bar, and on each clip bar, be formed with a depressed area, simultaneously on the wall of the both sides, inside of pedestal, respectively be pivoted with a gear, and on the base internal wall of each gear below, be convexly equipped with a guide block, the bottom surface of described guide block is a downward-sloping guiding face, front-end edge in guide block also is provided with a preceding guide face of oblique ascension backward simultaneously, and forms an oblique ascension face on the base internal wall of relative guide block front end;

The nearly end face of the described base interior place reed that is permanently connected, but and described reed front end bifurcated is not tally, this front end of not tally is oblique respectively down and respectively touch the root of one of them double wedge that is butted on each gear;

Described pedestal one side is provided with a trimmer, the front end of described trimmer is provided with a conflict face, and on trimmer, offer most the adjustment holes that are communicated with, adjust screw for one and pass one of them and adjust hole and trimmer is fixed on the side of pedestal.

5. screw feeder according to claim 2 is characterized in that:

Offer a concave ring groove on the joint internal ring wall of described casing, and connecting support is hubbed at the joint of casing, described connecting support be hollow and also inside have screw thread, the one ora terminalis is provided with the locating ring of a protrusion, and described locating ring quilt cover is arranged in the concave ring groove of joint.

6. screw feeder according to claim 2 is characterized in that:

One side of described casing is provided with a perforation, and in most the scrobicula traces that have been peripherally installed with of described perforation, and the plectane with eccentric projection is put and is hubbed at casing inside, its eccentric projection is stretched out by the perforation of casing and is spirally connected fixing with a turn-button, be equipped with two sensing steel balls between turn-button and casing outer wall, the part pearl body of this two sensings steel ball is absorbed in a described majority scrobicula trace wherein in the two scrobicula traces.

Images