CN2181352Y

CN2181352Y - Automatic clamp for dom nut tapping machine

Info

Publication number: CN2181352Y
Application number: CN 93226136
Authority: CN
Inventors: 林如切
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-08-07
Filing date: 1993-08-07
Publication date: 1994-11-02
Anticipated expiration: 2003-08-07

Abstract

The utility model provides an automatic clamp device for a round nut tapping machine. A material feeding component and a clamping component are locked and fixed on a bearing seat. After a workpiece enters via the material feeding groove of the material feeding component, the clamping component is automatically led in and is clamped by a driving member which is matched with the bearing seat and is composed of a pneumatic cylinder, an oil hydraulic cylinder, etc. The workpiece can become a material stripping rod for stripping material automatically after the tapping is completed by the workpiece. The utility model has the advantages of convenient operation, labor saving and time saving.

Description

Automatic clamp for dom nut tapping machine

The utility model relates to the servicing unit of lug tapping machine, a kind of specifically automatic fixture device of lug tapping machine.

The tapping machine is to attack the special energy machinery of cutting negative thread, traditional type tapping machine is for actions such as the charging of workpiece, clampings, all utilize manual mode operation to finish, therefore the tapping work flow can't link up and tapping must manually-operated be taken off material again after finishing, so the speed of production of the tapping machine of commonly using is comparatively slow, the number of working processes is also more, again because of charging, the clamping of workpiece and take off the material action by manual control, so the operational motion of integral body is very numerous and diverse and inconvenient.

The purpose of this utility model, provide a kind of automatic fixture device of lug tapping machine, utilize it can make the tapping machine in operating process, but workpiece automatic feed, clamping and make the tapping machine attack chasing smoothly, and can hold automatically and take off material, have characteristics easy to operate, that save man-hour and enhance productivity.

The technical solution of the utility model is as follows: the automatic fixture device of lug tapping machine, its end face that ties up to a bearing lock a feeding assembly and clamp assemblies, wherein, this feeding assembly, system comprises that the central authorities of a charging seat are horizontally set with a guide groove and hold a guide block, this guide block the place ahead tool one short slot, the rear end then is locked in the top heart front end of pneumatic cylinder and accepts driving, offer first feed well and connect a feed pipe near the appropriate position in the outside in charging seat end face in addition, opposite side central authorities then offer second feed well and communicate with clamp assemblies, again in central tool one gas-tpe fitting in the charging seat outside, its air admission hole is relative with second feed well, in addition in the capping that locks of charging seat end face; This clamp assemblies, system is positioned at the feeding assembly side and is set up in parallel, it is that the top side face that comprises a grip slipper is offered the 3rd feed well and communicated with second feed well of charging seat, offer a slotted hole in grip slipper central authorities in addition, its bottom surface holds one earlier and releases off bar and repeatedly put a push strut again, this push strut slightly is shorter than the side central authorities that release off bar and tail end is locked in pushing block, this pushing block then is locked in the top heart front end of oil hydraulic cylinder and accepts driving, push strut is when normal condition, its front end system is positioned at the slotted hole central authorities of grip slipper and makes the 3rd feed well keep communicating with slotted hole, and this releases off bar and generally is

Shape, its turn end system is positioned at the outside of grip slipper and offers a circular hole, use and insert the spreader that a side face has spring, this spreader other end then is locked in the stop block central authorities of pushing block below, upwards form a bumping post in the tail end that releases off bar in addition, head end is the slotted hole end of close grip slipper then, this releases off bar when normal condition, system accepts the answer pressure holding of pushing block, impel the spring of spreader to shrink, outer side edges at grip slipper is horizontally set with an elongated slot and holds material discharging rod in addition, the front end system of this material discharging rod protrudes in the grip slipper rear side and forms a rectangular block to side, its terminal spiral shell is worn a screw, rear side end face in grip slipper penetrates a thimble and relative with the screw of rectangular block again, this thimble still is inserted in a back-moving spring and when accepting compacting, the thimble end can go deep into the slotted hole end of grip slipper, the tail end of this material discharging rod upwards forms a bumping post again, use the answer compacting of accepting pushing block, the grip slipper end face is offered a groove near the position of thimble, use locking a positioning block, the relative part with slotted hole of this locating piece side is offered a draw-in groove, and connect a circular hole in two side end faces, impel thimble to pass through smoothly, again in the 3rd feed well side tool one storage tank of grip slipper, this storage tank stop part that locks, the one side forms stop hook and slightly gos deep into the top of slotted hole, opposite side then has a barb and hook is held an extension spring, the terminal draw-in groove junction with locating piece of slotted hole that bearing is positioned at grip slipper provides a discharging opening downwards, again in another capping that locks of grip slipper end face, the position that the side has the material discharging rod catch that then locks, the appropriate position that this bearing side is positioned at material discharging rod is provided with a microswitch.

The utility model is by the composite construction of its feeding assembly and clamp assemblies, and the driving operating element of forming by oil hydraulic cylinder, pneumatic cylinder, gas-tpe fitting and microswitch etc. that is disposed, make the tapping machine in operating process, workpiece can automatic feed, clamping and automatic material separator after finishing tapping, therefore can improve the quality of products and reduce production costs in its easy to operate, time and labour saving.

Provide embodiment of the present utility model below in conjunction with accompanying drawing, and be described in further detail:

Fig. 1 is the exploded perspective view of the utility model automatic fixture device;

Fig. 2 is the combination stereogram of the utility model automatic fixture device;

Fig. 3 is the feed state floor map of the utility model automatic fixture device;

Fig. 4 is the action schematic plan view of the feeding assembly of the utility model automatic fixture device;

Fig. 5 is the utility model automatic fixture device is blown into its clamp assemblies when workpiece an action schematic plan view;

Fig. 6 is the action schematic plan view of the clamp assemblies of the utility model automatic fixture device;

Fig. 7 is the clamp assemblies recoil state schematic diagram of the utility model automatic fixture device,

Consult Fig. 1-2, the utility model automatic fixture device, the end face that lies in a bearing 10 lock a feeding assembly 20 and a clamp assemblies 40, wherein, this feeding assembly 20 comprises a charging seat 21, its central authorities are horizontally set with a guide groove 22 and hold a guide block 23, there is a short slot 24 in these guide block 23 the place aheads, the rear end then is locked in the top heart 26 front ends of pneumatic cylinder 25 and accepts its driving, the appropriate position of these charging seat 21 guide grooves 22 1 sides is provided with first feed well 27 in addition, itself and a feed pipe 28 are connected, the opposite side central authorities of guide groove 22 offer second feed well 29, and in addition, this charging seat 21 is provided with a gas-tpe fitting 30 in the central authorities of its first feed well, 27 1 sides, its air admission hole 31 is relative with second feed well 29, and the end face locking of this charging seat 21 has a capping 32;

This clamp assemblies 40, system is positioned at the side of feeding assembly 20 and is set up in parallel with it, it comprises a grip slipper 41, its top side face offers the 3rd feed well 42, the 3rd feed well 42 communicates with second feed well 29 of charging seat 21, central authorities in this grip slipper 41 offer a slotted hole 43 in addition, after releasing off bar 44, its inner bottom surface elder generation ccontaining one repeatedly puts a push strut 45 again, this push strut 45 slightly is shorter than this and releases off bar 44, and its tail end is locked in the side central authorities of a pushing

block

46,46 of this pushing blocks are locked in the top heart 48 front ends of an oil hydraulic cylinder 47 and accept its driving, this push strut 45 is when normal condition, its front end is positioned at slotted hole 43 central authorities of grip slipper 41 and makes the 3rd feed well 42 keep communicating with slotted hole 43, and this releases off bar 44 and generally is

Shape, its turn end 49 is to be positioned at the outside of grip slipper 41 and to offer a circular hole 50, use and insert the spreader 52 that a side face has spring 51, these spreader 52 other ends then are locked in stop block 53 central authorities of pushing block 46 belows, upwards form a bumping post 54 in the tail end that releases off bar 44 in addition, head end is the end of the slotted hole 43 of close grip slipper 42 then, this releases off bar 44 when normal condition, system is subjected to the answer pressure holding of pushing block 46, impel the spring 51 of spreader 52 to shrink, outer side edges at grip slipper 41 is horizontally set with an elongated slot 55 in addition, hold a material discharging rod 56 in it, the front end system of this material discharging rod 56 protrudes in the rear side of grip slipper 41 and forms a rectangular block 57 to side, its terminal spiral shell is worn a screw 58, rear side end face in grip slipper 41 penetrates a thimble 59(referring to Fig. 3 again) and relative with the screw 58 of this rectangular block 57, the end that this thimble 59 is with a back-moving spring and its end can go deep into the slotted hole 43 of grip slipper 41 when being subjected to suppressing, in addition, the tail end of this material discharging rod 56 upwards forms a bumping post 60, use the answer compacting that to accept pushing block 46, the position of the nearly thimble 59 of these grip slipper 41 end faces offers a groove 61, use locking a positioning block 62, these locating piece 62 sides and slotted hole 43 opposite positions offer a draw-in groove 63, its both sides end face connects a circular hole 64, make the thimble 59 can be smoothly by going deep into slotted hole 43, establish a storage tank 65 in the side of the 3rd feed well 42 of grip slipper 41 again, locking one stop part 66 on this storage tank 65, the stop hook 67 of slotted hole 43 tops is slightly goed deep in one side formation one, opposite side then forms a barb 68 and hook is held an extension spring 69, the capping 72 that locks of these grip slipper 41 end faces, the position of side tool material discharging rod 56 catch 73 that then locks;

This bearing 10 is positioned at terminal draw-in groove 63 junctions with locating piece 62 of grip slipper 41 slotted holes 43 at it and provides a discharging opening 70 downwards, in the appropriate location that bearing 10 sides are positioned at material discharging rod 56 one microswitch 74 is set in addition.

Consult Fig. 3-7, the operating principle of the utility model automatic fixture device can be described as follows: when workpiece 75 through feed pipe 28 send into first feed well 27 of charging seat 21 and enter the short slot 24 of guide block 23 inner after (see figure 3), the top heart 26 of pneumatic cylinder 25 just drives guide block 23 and slides towards pneumatic cylinder 25 directions, make short slot 24 (see figure 4) that communicates with second feed well 29 of charging seat 21, this moment gas-tpe fitting 30 just air inlet workpiece 75 is blown into second feed well 29 and imports the 3rd feed well 42 on the grip slipper 41 and the central (see figure 5) that enters slotted hole 43, after treating that workpiece 75 arrives the central authorities of slotted hole 43, oil hydraulic cylinder 47 just drives pushing block 46 and moves forward, meanwhile, the bumping post 54 that releases off bar 44 just loses the effect of holding, so the spring 51 of spreader 52 side faces is just upheld rapidly, make it promote to release off bar 44 moves towards thimble 59 directions in advance, use the discharging opening 70 of sealing bearing 10, push strut 45 also is subjected to the promotion of pushing block 46 at the same time and workpiece 75 is pushed the inner and clipping in addition of the draw-in groove 63 of locating piece 62, stop part 66 also promoted and turn round and extension spring 69(see Fig. 6), touch microswitch 74 simultaneously and impel the tapping machine to do the action of attacking chasing downwards because of pushing block 46 again, after treating that workpiece 75 tappings are finished, the tapping machine just makes progress automatically and oil hydraulic cylinder 47 is also operated the action of replying, and then make pushing block 46 drive push strut 45 break away from workpiece 75 in advance, release off after 44 on bar waits for that pushing block 46 is replied fully, its bumping post 54 just is subjected to pressure holding backward and impels the spring 51 of spreader 52 side faces to shrink, so release off the discharging opening 70 that bar 44 front ends are just opened bearing 10, so that workpiece 75 loses the effect accepted and drops out collection, if workpiece 75 be limited to locating piece 62 draw-in groove 63 peripheries and can't automatic material separator the time, because of pushing block 46 in the process of replying action, the also bumping post 60 of pressure holding material discharging rod 56 and force material discharging rod 56 slippage backward simultaneously, it is inside to use the screw 58 promotion thimbles 59 that utilize rectangular block 57, make its tail end hold workpiece 75, attack workpiece 75 and still can take off material smoothly, when doing the answer action because of push strut 45 again, the extension spring 69 of stop part 66 is also shunk rapidly, impel stop part 66 reverse rotations and make stop hook 67 stop that workpiece 75 is unlikely and follow push strut 45 or release off bar 44 slippage (see figure 7)s backward, with this, feeding assembly 20 and clamp assemblies 40 can be done successional cooperation, but make workpiece 75 automatic feeds, grip and be beneficial to and attack chasing and automatic material separator.

Claims

1, a kind of automatic fixture device of lug tapping machine, comprise a bearing (10), be locked on this bearing (10) a feeding assembly (20) and with the juxtaposed clamp assemblies of this feeding assembly (20) (40), wherein, have a discharging opening (70) on this bearing (10), its side is equipped with the microswitch (74) of a control tapping machine tapping, this feeding assembly (20) comprises a charging seat (21) and capping (32) thereof, this clamp assemblies (40) comprises a grip slipper (41), a capping (72) and a catch (73), it is characterized in that:

These charging seat (21) central authorities are horizontally set with a guide groove (22), it is built-in with one can be along the guide block (23) of this groove slip, the surface of these guide block (23) one ends has a short slot (24), the side of the other end is locked in the top heart (26) of a pneumatic cylinder (25), and accept its driving, this charging seat (21) end face one side has first feed well (27) and is communicated with a feed pipe (28), end face opposite side central authorities have second feed well (29), and being equipped with a gas-tpe fitting (30) in the side central authorities of these first feed well (27) one sides, its air admission hole (31) is relative with this second feed well (29);

This grip slipper (41) has the 3rd feed well (42) by the end face of a side at it mutually with charging seat (21), the side of this groove has a storage tank (65), grip slipper (41) central authorities are provided with a slotted hole (43), another side of grip slipper (41) is horizontally set with an elongated slot (55), one side of grip slipper (41) end face also is provided with a groove (61), and, grip slipper (41) one side end faces are equipped with a thimble (59), wherein, the 3rd feed well (42) is to communicate with second feed well (29) on the charging seat (21), the bottom surface of this slotted hole (43) be equipped with one can slide along this hole release off bar (44), this releases off and repeatedly puts the short slightly push strut (45) of a length on the bar (44), these push strut (45) one ends are locked in the side central authorities of a pushing block (46), this pushing block (46) then is locked in the top heart (48) of an oil hydraulic cylinder (47) and accepts its driving, and this releases off bar (44) is to be

Shape, have a circular hole (50) at one turn end (49), insert for a spreader (52) that is with a spring (51), the other end of this spreader (52) then is locked in a stop block (53) central authorities that place pushing block (46) below, this releases off bar (44) tail end and upwards forms a bumping post (54), inconsistent with these pushing block (46) one ends, this elongated slot (55) is built-in with one can be along the material discharging rod (56) of groove slip, the one end forms a rectangular block (57) to upper process and to side, these rectangular block (57) one ends are installed with a screw (58) relative with the thimble (59) of grip slipper (41) side, the other end of this material discharging rod (56) upwards forms a bumping post (60), inconsistent with the other end of this pushing block (46), this thimble (59) is with a spring and can stretches into the slotted hole (43) of grip slipper (41) when pressurized, the groove (61) of grip slipper (41) end face is built-in with a positioning block (62), this locating piece (62) is offered a draw-in groove (63) in its side relative with slotted hole (43), and connect a circular hole (64) in its two sides and stretch into slotted hole (43) for thimble (59) passes, this storage tank (65) is built-in with a stop part (66), one side of this stop part (66) forms a stop hook (67), and opposite side then forms a hook the barb of a spring (69) (68).