CN2174456Y

CN2174456Y - Automatic device for feeding screw

Info

Publication number: CN2174456Y
Application number: CN 93209244
Authority: CN
Inventors: 侯志祥
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-05-05
Filing date: 1993-05-05
Publication date: 1994-08-17
Anticipated expiration: 2003-05-05

Abstract

The utility model relates to an automatic device for feeding screws, which comprises a base body, a feeding element, a cover element and a first motion casing, wherein, the feeding element mainly comprises a rotary shaft and a pair of feeding wheels, and the circumferential surface is provided with a plurality of clamping pins, a motion wheel, a motion rod, a bias element and a block pin. In the first displacement travel of a motion element, the feeding element is prompted to act, and a screw strip is positively driven to move forwards a unit distance. In the second displacement travel of the motion element, the feeding element is delivered to the original position, and the delivery of next screw element is prepared.

Description

Automatic device for feeding screw

The utility model relates to a kind of screw device, refers in particular to a kind of screw device that send automatically, and it can deliver to the location with screw in order, and is locked by an actuating device.

The existing screw device that send mainly comprises a handle and propelling head, on a propelling internal side wall, dispose the guide rail that the leadscrew band passes through, above guide rail, be fixed with a gear further, the double wedge of its middle gear can mesh with the locating notch of screw band both sides, therefore, when gear rotates a tooth pitch, the screw band screw unit that also can advance.

Send on the screw device existing, the action of feed gear wheel is to finish by a projection, wherein projection is to be slidedly arranged in the curved channel, have mechanically between while and the handle and connect, therefore when handle presses down, what projection contracted in just can producing moves, the clutch element that makes the clutch element that is installed on the projection and be installed on the gear engages, when projection during in the curved channel slides within, the angular transposition of its generation also is sent on the gear, driven gear rotates the angular displacement of a tooth pitch indirectly, in theory, the screw band also should move forward the screw of one unit, and the center-point of screw also should just be positioned at the below of corkscrew, so when corkscrew moved down rotation, screw just was driven in the object.

But this existing structure of screw device that send that utilizes clutch element to control the feeding of screw band relatively shows too in complexity, causes manufacturing cost to increase, and also relatively seeming in the manufacturing is not easy.

In addition, projection is to be moved by pressing down of last handle, just in case handle presses down uncertain, when positively gear not being moved an angular transposition, the screw band just can not move forward a screw unit, or has moved forward, but does not reach the distance of one unit, so when corkscrew moves down rotation, can't driving screws.When this kind situation took place, the operator must be with manual mode with the center of screw and the center-aligned of corkscrew, and then the action that locks.

Therefore the purpose of this utility model is to provide a kind of screw device that send automatically, wherein in first displacement stroke of action element, can make the feed component action and positively the screw band is moved a unit distance forward; And in second displacement stroke of action element, feed component is transmitted back to its home position again once again, prepare the conveying of next screw element.

For reaching aforementioned purpose, automatically the screw device that send provided by the utility model, it includes a pedestal, this pedestal is an oblong substantially, middle body at pedestal, depressed part with a circle, there is a knock hole in the central authorities of depressed part, in addition on the end face of pedestal, include most locating dowel pins and most screw fixed hole, further include a lateral channel on the pedestal, its end portion is the lower depression platform of a thickness, further including a cross section on the depression platform is semi-round lengthwise conduit, and its top also has a depressed part; One feed component, it includes a rotating shaft, one end of this rotating shaft is received in the knock hole of pedestal, in rotating shaft, further include a pair of feed wheel, peripheral surface at feed wheel, be provided with most blocking pins, these blocking pins are certain angle all at interval, in addition in feed wheel side wherein, including most cross sections along its warp direction is leg-of-mutton conduit, feed component further includes an action wheel, the action wheel is installed in the feed wheel side with conduit, and the side of action wheel includes most and the cooresponding protruding pin of feed wheel number of channels, protruding pin can engage with conduit, when the action wheel is rotated, can drive feed wheel rotates, the peripheral part of action wheel opposite side is connected with a throw rod, so that the rotation of action wheel, feed component further includes a biased element, be placed in the rotating shaft of action wheel, with the flange that the forces action wheel conduit generation closed contact with feed wheel, feed component further includes a pin, and it is to be articulated on the pedestal, adopt biased element compacting simultaneously, with the spinning movement of a certain direction of restriction feed wheel; One lid element, has a corresponding circular depression of the depressed part with pedestal on the lid, and the centre has a knock hole, the other end that can ccontaining rotating shaft, circumferencial direction in circular depression, has an arc opening, can allow the throw rod of action wheel protrude lid, lid further includes most knock holees, locating dowel pin on can ccontaining pedestal can be positioned on the pedestal lid element exactly, and the lid element further includes most perforates, screw is passed and lock in the screw of pedestal, the two is combined closely, and in addition the end portion of lid element is the bigger raised platforms of thickness, and raised platforms and depression platform are determined a passage that runs through pedestal jointly, also include a longitudinally on the raised platforms, the cross section is semi-round conduit; One first action housing, it has a rectangular body, on its side, include an action conduit and a location conduit, the conduit that wherein moves include a vertical channels and one and vertical channels be the feeding conduit of an angle, wherein the throw rod of action wheel is to move in the action conduit, then be fixed with a screw in the conduit of location, screw is fixed on the lid element, separate with the lid element in case housing is made in stop, the end face of action housing further includes an opening, to stretch into a driver element, action includes a biased element in the housing, makes to keep relative mobile between action housing and pedestal and lid unit construction overall.

Other purpose advantages of the present utility model after diagram below cooperating and the detailed description, can obtain understanding further, wherein:

Fig. 1 is the three-dimensional exploded view that the utility model send screw device automatically, wherein shows the relevant position of each item;

Fig. 2 is the cutaway view after the utility model combination, wherein can be clear that the interoperation situation of every assembly; And

Fig. 3 is the block diagram after the utility model combination, wherein at top end part one electric screw driver is installed.

See also shown in Figure 1, automatically send screw device 1 according to the utility model manufacturing, it includes a pedestal 10, pedestal is an oblong substantially, middle body at pedestal 10, depressed part 11 with a circle, the central authorities of depressed part 11 have a knock hole 12, in addition on the end face of pedestal 10, include most locating dowel pins 13 and most screw fixed hole 14, further include a lateral channel 15 on the pedestal 10, its end portion is the less depression platform 16 of a thickness simultaneously, further including a cross section on depression platform 16 is semi-round lengthwise conduit 17, and its top also has a depressed part 18; One feed component 20, it includes a rotating shaft 21, one end of rotating shaft 21 is received in the knock hole 12 of pedestal 10, in rotating shaft 21, further include a pair of

feed wheel

22,23, at

feed wheel

22,23 peripheral surface, be provided with most blocking pins 24, these blocking pins 24 are certain angle all at interval, in addition in feed wheel 23 sides wherein, including most cross sections along its radial direction is leg-of-mutton conduit 231, feed component 20 further includes an action wheel 25, action wheel 25 is installed in feed wheel 23 sides with conduit 231, and the side of action wheel 25 includes most the cooresponding protruding pins 26 of conduit 231 numbers with feed wheel 22, protruding pin 26 can engage with conduit 231, when action wheel 23 is rotated, can drive

feed wheel

22,23 rotate, and the peripheral part of the opposite side of action wheel 25 is fixedly connected with a throw rod 27 in addition, so that 25 rotations of action wheel, feed component 20 further includes a biased element 28, be placed in the rotating shaft 21 of

feed wheel

22,23, to force the protruding pin 26 and feed wheel 22 of

action wheel

25,23 conduit 231 produces closed contact, feed component further includes a pin 29, is articulated on the pedestal 10, pins down with a biased element 291 simultaneously, spinning movement with restriction feed wheel 22,23 a certain directions; One lid element 30, have the depressed part 11 corresponding circular depression 31 with pedestal 10 on the lid, and the center has a knock hole 32, the other end that can ccontaining rotating shaft 21, circumferencial direction in circular depression 32, has an arc opening 33, can allow the throw rod 27 of action wheel 25 protrude lid 30, lid 30 further includes most knock holees 34, locating dowel pin 13 on can ccontaining pedestal 10, make lid element 30 can be positioned on the pedestal 10 exactly, lid element 30 further includes most perforates 35, can make screw pass and lock in the screw 14 of pedestal 10, the two is combined closely, and in addition the end portion of lid element 30 is the bigger raised platforms of thickness 36, and raised platforms 36 and depression platform 16 are determined a channel C (seeing shown in Figure 3) that runs through pedestal 10 jointly, also include a longitudinally in addition on raised platforms 16, the cross section is semi-round conduit 37; One first action housing 40, it has a rectangular body, on its side, include an action conduit 41 and a location conduit 42, the conduit 41 that wherein moves include a vertical channels 411 and one and vertical channels 411 be the feeding conduit 412 of an angle, wherein the throw rod 27 of action wheel 25 is operations in action conduit 41, and location conduit 42 internal fixation have a screw 43, screw 43 is fixed on the lid element 30, in case making housing 40, stop separates with lid element 30, the end face of action housing 40 further includes an opening, to stretch into a driver element, as the corkscrew (not shown), move in addition and include a biased element 45 in the housing 40, make to keep relative mobile between action housing 40 and

pedestal

10 and 30 combinations of lid element overall.In order to make automatic screw device 1 can cooperate the screw of different length, further include one second action housing 60, it has a rectangular body can accommodate this first action housing 40, on its side, include an action conduit 51 and a location conduit 52, the conduit 51 that wherein moves is a vertical channels, wherein the throw rod 27 of action wheel 25 is operations in action conduit 51, this kind situation occurs over just long screw, and in the conduit 52 of location, can be fixed with a screw 43, screw 43 is to be fixed on the lid element 30, to prevent that the first action housing 40 and the second action housing 50 from separating with lid element 30, the end face of this action housing 50 further includes an opening 53, fix a driver element (not shown) threadably, in addition include a biased element 54 in this second action housing 50, make between the first action housing 40 and the second action housing 50 and

pedestal

10 and 30 combinations of lid element overall between keep relative mobile.

See also and Figure 2 shows that the cutaway view that send screw device 1 automatically, be illustrated as the state that lid element 30 removes.As previously mentioned, the throw rod 27 of action wheel 25 is to slide in the action conduit 41 on the first action housing 40, and throw rod 27 has two positions respectively in the conduit 41 moving, i.e. first dead center 4111 and lower dead point 4112.When first and second

action housing body

40,50 down moved, this moment, throw rod 27 just moved to first dead center 4111 by lower dead point 4112 with anticlockwise direction, throw rod 27 is at this stroke, just travelling backwards 1/8th is enclosed, because protruding pin 26 and conduit 231 are to adopt the inclined-plane to cooperate, therefore in the process of its travelling backwards,

feed wheel

22,23 and do not stress,

feed wheel

22,23 is subjected to the backstop of pin 29 simultaneously, make it can't be with anti-clockwise rotation, and only can be towards clickwise.Entering after the first dead center 4111 and work as throw rod 27, if the first action housing 40 is down advanced further, just throw rod 27 can enter in the conduit 412 of location, is vertical channels owing to locate conduit 412, so can be to any influence of throw rod 27 generations.

Finish the screw thread of screw fixes as the user, loosen first and

second action housing

40,50 o'clock, be subjected to the action of

spring

45 and 54, first and second moves housing 40,50 just can up move, and throw rod 27 just down enters action conduit 411 by location conduit 412, and when moving to lower dead point 4112 by first dead center 4111, action wheel 25 just is docile and obedient clockwise and has been moved 1/8th circles, and because cooperating of protruding pin 26 and conduit 231 makes

feed wheel

22,23 also move 1/8th circles forward, blocking pin 24 1/8th circumference of also advancing simultaneously.Because the hole 61 on the screw band 60 is distance each other, is 1/8th circumference, therefore just under the drive of blocking pin 24, the unit of having advanced.So go round and begin again, in order screw is sent to.

In addition, when lid 30 covered on the pedestal 10, depression platform 16 and raised platforms 36 can be determined a channel C between the two, make screw 62 successfully to enter, and the belt body 60 of check screw 62 is then advanced along lateral channel 15, when screw 62 advances to

During lengthwise conduit 17, the position of this moment is the position of corkscrew action screw 62.

In sum, the utility model send screw device can positively reach creation purpose of the present utility model automatically, the above embodiment furnishes an explanation at a preferred embodiment, and must not be considered as the restriction that the utility model is implemented, and the people who knows this technology can make many other embodiments according to spirit of the present utility model, but all should be included in the following claim scope.

Claims

1, a kind of screw device that send automatically is characterized in that including:

One pedestal, this pedestal is an oblong substantially, at the middle body of this pedestal, have the depressed part of a circle, the central authorities of this depressed part have a knock hole, in addition on the end face of this pedestal, include most locating dowel pins and most screw thread fixed orifice, further include a lateral channel on this pedestal, its end portion is the less depression platform of a thickness simultaneously, further including a cross section on this depression platform is semi-round lengthwise conduit, and its top also has a depressed part;

One feed component, it includes a rotating shaft, one end of this rotating shaft is received in the knock hole of this pedestal, in this rotating shaft, further include a pair of feed wheel, peripheral surface at this feed wheel, be provided with most blocking pins, the angle that these blocking pins are certain all at interval, in addition in feed wheel side wherein, including most cross sections along its radial direction is leg-of-mutton conduit, this feed component further includes an action wheel, this action wheel is installed in the feed wheel side that this has conduit, and the side of this action wheel includes most and the cooresponding protruding pin of this action wheel number of channels, these protruding pins can engage with these conduits, when this action wheel is rotated, can drive this feed wheel rotates, the peripheral part of the opposite side of this action wheel is connected with a throw rod in addition, so that should action take turns rotation, this feed component further includes a biased element, be placed in this action wheel rotating shaft, with the flange that forces this action wheel conduit generation closed contact with this feed wheel, this feed component further includes a pin, is to be articulated on this pedestal, adopt biased element compacting simultaneously, to limit the spinning movement of a certain direction of this feed wheel;

One lid element, has a corresponding circular depression of the depressed part with this pedestal on this lid, and this center has a knock hole, the other end that can ccontaining rotating shaft, circumferencial direction in this circular depression, has an arc opening, can allow the throw rod of this action wheel protrude lid, this lid further includes most knock holees, locating dowel pin on can ccontaining pedestal can be positioned on the pedestal this lid element exactly, and this lid element further includes most perforates, can make screw pass and lock in the screw of pedestal, the two is combined closely, and in addition the end portion of this lid element is the bigger raised platforms of thickness, and this raised platforms and this depression platform are determined a passage that runs through this pedestal jointly, also include a longitudinally on this raised platforms, the cross section is semi-round conduit;

One first action housing, it has a rectangular body, on its side, include an action conduit and a location conduit, wherein this action conduit include a vertical channels and one and this vertical channels be the feeding conduit of an angle, wherein the throw rod of this action wheel is to move in this action conduit, and this location conduit internal fixation has a screw, this screw is fixed on this lid element, in case making housing, stop separates with this lid element, the end face of this action housing further includes an opening, to stretch into a driver element, in addition include a biased element in this action housing, make this action housing and this pedestal and this lid unit construction totally between relative mobile of maintenance.

2, the screw device that send automatically as claimed in claim 1 is characterized in that the blocking pin of this feed wheel and the angle between the blocking pin are 45 degree.

3, automatically the screw device that send as claimed in claim 1, it is characterized in that further including one second action housing, it has a rectangular body can accommodate this first action housing, on its side, include an action conduit and a location conduit, wherein this action conduit include a vertical channels and one and this vertical channels be the feeding conduit of an angle, wherein the throw rod of this action wheel is to move in this action conduit, and this location conduit internal fixation has a screw, this screw is fixed on this lid element, in case making housing, stop separates with this lid element, the end face of this action housing further includes an opening, stretching into a driver element, include a biased element in this action housing in addition, make this action housing and this pedestal and this lid unit construction totally between relative mobile of maintenance.

4, the screw device that send automatically as claimed in claim 1 is characterized in that further including a retaining element above the opening of this first action housing, can fix an electric screw driver threadably.

5, the screw device that send automatically as claimed in claim 3 is characterized in that further including a retaining element above the opening of this second action housing, can fix an electric screw driver threadably.