CN112589144A - Feeding chuck for lathe - Google Patents

Abstract

The invention relates to the technical field of lathes and discloses a feeding chuck for a lathe, which comprises a chuck, a chuck groove is arranged in the chuck, a telescopic rod frame is welded and fixed on the inner wall of the left side of the chuck groove, the interior of the telescopic rod frame is movably clamped with a workpiece, the end surface of the right side of the chuck is connected with an adjusting rod in a sliding way, a screw rod is welded and fixed on the left end surface of the adjusting rod, a threaded rod is connected with the left end surface of the screw rod in a threaded manner, the left end of the screw rod is welded and fixed with the inner wall of the chuck, the screw rod is engaged with an external gear, an external rotating rod is welded and fixed inside the external gear, the two ends of the external rotating rod are movably connected with internal rotating rods, one side of the internal rotating rod, far away from the external rotating rod, is fixedly welded with fixed teeth, the fixed gear is meshed with an inner rotary disc, an outer rotary ring is welded and fixed on the outer surface of the inner rotary disc, and a one-way gear is welded and fixed inside the outer rotary ring. The feeding chuck for the lathe can feed materials while processing workpieces through the outer rotating ring so as to be used conveniently.

Description

Feeding chuck for lathe

Technical Field

The invention relates to the technical field of lathes, in particular to a feeding chuck for a lathe.

Background

The lathe is a lathe for cutting and processing a shaft type revolving body workpiece which does a main rotation movement by a turning tool which does a feeding movement, the lathe is mainly used for placing the shaft type revolving body workpiece in the lathe through a chuck, most of chucks used for turning the lathe at present are three-jaw chucks or multi-jaw chucks, the principle of the chucks is the same mostly, the workpieces are placed in the chucks and are simultaneously moved to fix the workpieces, when the shaft type revolving body workpiece is processed, a part to be processed is usually placed on the outer side of the chuck firstly, then the workpiece is gradually extended outwards according to the processing length, but the chuck used at present needs to be loosened again when the workpiece is extended outwards, and the workpiece is fixed after being moved outwards by a proper length, so the processing efficiency of the lathe is greatly reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a feeding chuck for a lathe, which solves the problem that the lathe chuck is inconvenient to feed.

(II) technical scheme

In order to realize the purpose of facilitating feeding of the lathe chuck, the invention provides the following technical scheme: the utility model provides a but lathe is with pay-off chuck, includes the chuck, the chuck groove has been seted up to the inside of chuck, the left side inner wall welded fastening in chuck groove has the telescopic link frame, the inside activity joint of telescopic link frame has the machined part, the right side terminal surface sliding connection of chuck has the regulation pole, the left side terminal surface welded fastening who adjusts the pole has the screw rod, the left side terminal surface threaded connection of screw rod has the threaded rod, and its left end and chuck inner wall welded fastening, the screw rod meshing has the external gear, the inside welded fastening of external gear has outer bull stick, the both ends swing joint of outer bull stick has interior bull stick, one side welded fastening that outer bull stick was kept away from to interior bull stick has fixed tooth, fixed tooth meshing has the inner turntable, the surface welded fastening of inner turntable has outer swivel, the inside welded fastening of outer swivel has a single direction gear.

Preferably, the telescopic rod frame comprises a chassis, a fixed joint, a fastening rotating plate and a first spring rod, the chassis is welded and fixed on the right end face of the telescopic rod frame, the fixed joint is welded and fixed on the right end face of the chassis, the fastening rotating plate is welded and fixed on one end of the fixed joint far away from the chassis, the first spring rod is welded and fixed on the right side of the outer surface of the fastening rotating plate, one end of the first spring rod far away from the fastening rotating plate is welded and fixed with the inner wall of the chuck groove through the fixed joint, the workpiece is movably clamped and connected on the inner side surface of the fastening rotating plate, the chuck is fixedly connected with the lathe, the workpiece is inserted into the chuck groove, the workpiece can be driven to move outwards when being in contact with the fastening rotating plate, the fastening rotating plate can compress the first spring rod through the fixed joint, and when the workpiece continues to move towards the inner side of the chuck groove, the telescopic rod frame can be compressed through the chassis, and then can fix the one end that the work piece is located the chuck inboard through fastening commentaries on classics board and telescopic link frame, avoid making its inboard one end take place to swing when rotating because of the work piece overlength.

Preferably, the outer rotating rod comprises an inner groove, inner teeth, outer teeth, an inner sliding groove and a movable ball, the inner groove is formed inside the inner rotating rod, the inner teeth are welded and fixed on the outer surface of the outer rotating rod and are positioned inside the inner groove, the outer teeth are welded and fixed on the inner wall of the inner groove and are meshed with the inner teeth, the inner sliding grooves are respectively formed on the outer side surfaces of the inner teeth and the outer teeth, the movable ball is respectively in rolling connection with the inner sliding grooves on the outer side surfaces of the inner teeth and the outer teeth, a ratchet wheel is inserted into a hexagonal groove on the right end surface of the adjusting rod to drive the inner rotating rod to rotate, the screw rod can be driven to be in threaded connection with the threaded rod and move inwards when the adjusting rod rotates, the screw rod can drive the outer rotating rod to rotate through the outer teeth, the inner rotating rod can be driven to rotate through the inner teeth and, simultaneously can make the activity ball slide in the inside spout of internal tooth and external tooth terminal surface respectively when internal tooth and external tooth slide each other, and then can prevent that internal tooth and external tooth from taking place to drop when meshing and gliding, in addition, can drive the inner dial rotation through deciding the tooth when interior bull stick rotates, and then the inner dial can drive outer swivel through deciding the pole and rotate, and then can contact each other and with its spacing fixed with the surface of machined part through the outer swivel in the outside.

Preferably, the inner rotary disc comprises an inner rotary groove, a fixed rod, an outer rotary groove and a second spring rod, the inner rotary groove is formed in the end face of the inner rotary disc and close to one side of the outer rotary ring, the fixed rod is connected with the inner rotary groove in a sliding mode, two ends of the fixed rod are welded and fixed with the inner wall of the chuck groove through bearings, the outer rotary groove is formed in the end face, far away from the inner rotary groove, of the outer rotary ring, one end, far away from the inner rotary groove, of the second spring rod is welded and fixed to the inner wall of the outer rotary groove, one end, far away from the outer rotary groove, of the second spring rod is welded and fixed to the inner wall of the chuck groove, the fixed rod can be connected with the inner rotary groove in a sliding mode when the inner rotary disc rotates, meanwhile, two ends of the outer rotary ring can stretch and compress the second spring rods on two sides of the outer rotary ring respectively, the outer rotary ring can reciprocate through the second.

Preferably, the outer rotating ring comprises an outer clamping groove, a third spring rod, a clamping block, an outer rotating groove, a clamping tooth and a tooth groove, the outer clamping groove is formed in the middle of the outer surface of the outer rotating ring, the third spring rod is fixedly welded on the inner bottom surface of the outer clamping groove, the clamping block is fixedly welded on one end, far away from the outer clamping groove, of the third spring rod, the outer rotating groove is formed in the outer side of the outer rotating ring, the clamping tooth is rotatably connected inside the outer rotating groove through a rotating pin and extends out of the outer rotating ring, the tooth groove is formed in the inner side end surface of the clamping tooth and is an arc-shaped groove, when the outer rotating ring reciprocates and the outer surface of the outer rotating ring is in contact with a workpiece, the workpiece is respectively in contact with the outer clamping groove and the tooth groove, the third spring rod can be compressed through the clamping block when the workpiece is in contact with the outer clamping groove, and the arc-shaped clamping block can further prevent the workpiece, meanwhile, when the outer rotating ring drives the latch to rotate, namely, when the direction of the outward movement of the workpiece is opposite, the workpiece and the latch can be in sliding connection and are pressed downwards to the inside of the outer rotating groove, at the moment, the latch can drive the fourth spring rod to stretch through the outer tooth sheet, and further the workpiece and the latch can be in one-way sliding connection.

Preferably, the one-way gear comprises an inner tooth plate, a gear groove, a fourth spring rod and an outer tooth plate, the one-way gear is welded and fixed inside the outer rotating groove, the inner tooth plate is rotatably connected to the outer surface of the one-way gear through a rotating pin, the gear groove is arranged inside the one-way gear, one end of the fourth spring rod is welded and fixed on the inner wall of the gear groove, the other end of the fourth spring rod is welded and fixed with the inner tooth plate, the outer tooth plate is welded and fixed with a latch, the inner tooth plate is movably clamped with the outer tooth plate, after the outer rotating ring drives the latch to be in one-way sliding connection with a workpiece, the second spring rod with two sides compressed and stretched can restore to the original position again and drive the outer rotating ring to have the tendency of moving to the original position again, at the moment, the adjusting rod can be rotated reversely through a ratchet wheel, at the moment, the outer rotating ring can drive the one-way gear to rotate, and further, when the one-way gear drives the inner tooth plate, and then the external tooth piece can drive the machined part through the latch and move to the outside to can also remove solid of revolution work piece when not relaxing the chuck through the device, thereby be convenient for improve lathe work efficiency.

Preferably, the outer rotating rod is engaged with the screw rod through an external gear, and the outer rotating rod is slidably connected with the inner rotating rod, so that when the screw rod drives the outer rotating rod to rotate through the external gear, the outer rotating rod can be always engaged with the screw rod through the external gear, and can be slidably connected with the inner rotating rod while the outer rotating rod rotates.

Compared with the prior art, the invention provides a feeding chuck for a lathe, which has the following beneficial effects:

1. this but lathe is with pay-off chuck, it is fixed through being connected chuck and lathe, and through the inside with the machined part insertion chuck groove, and can drive its outside removal when the machined part contacts with the fastening commentaries on classics board, the fastening commentaries on classics board can compress first spring beam through the fixed knot this moment, and when the machined part continues to the inboard removal in chuck groove, can compress the telescopic link frame through the chassis this moment, and then can fix the one end that the work piece is located the chuck inboard through fastening commentaries on classics board and telescopic link frame, avoid making its inboard one end take place the swing when rotating because of the work piece overlength.

2. The feeding chuck for the lathe can drive the ratchet wheel to rotate by inserting the ratchet wheel into the hexagonal groove on the right end face of the adjusting rod, when the adjusting rod rotates, the screw rod can be driven to be in threaded connection with the threaded rod and move inwards, and meanwhile, the screw rod can drive the outer rotating rod to rotate through the outer gear, so that the inner rotating rod can be driven to rotate by the inner teeth and the outer teeth while the outer rotating rod rotates, and the inner teeth and the outer teeth can slide with each other while being meshed, simultaneously, the movable ball can respectively slide in the inner sliding grooves of the end surfaces of the inner teeth and the outer teeth when the inner teeth and the outer teeth slide mutually, thereby preventing the inner teeth and the outer teeth from falling off when being meshed and sliding, when the inner rotating rod rotates, the fixed teeth can drive the inner rotating disk to rotate, and then the inner rotating disk can drive the outer rotating ring to rotate through the fixed rod, and the outer rotating ring at the outer side can be contacted with the outer surface of the workpiece and limit and fix the outer surface of the workpiece.

3. When the inner rotary disc rotates, the fixed rod can be connected with the inner rotary groove in a sliding mode, meanwhile, two ends of the outer rotary ring can respectively stretch and compress the second spring rods on two sides of the outer rotary ring, the outer rotary ring can reciprocate through the second spring rods on two sides, and therefore the outer surface of the outer rotary ring can be in contact with a workpiece all the time.

4. When the outer rotating ring reciprocates and the outer surface of the outer rotating ring is in contact with a machined part, the machined part is in contact with the outer clamping groove and the tooth socket respectively, the third spring rod can be compressed through the clamping block when the machined part is in contact with the outer clamping groove, the arc-shaped clamping block can further prevent the machined part from rotating during turning, the machined part and the clamping tooth can be in sliding connection and pressed downwards into the outer rotating groove when the outer rotating ring drives the clamping tooth to rotate, namely the direction of the machined part moving outwards is opposite, and the clamping tooth can drive the fourth spring rod to stretch through the outer tooth sheet at the moment, so that the machined part and the clamping tooth can be in one-way sliding connection.

5. When the outer revolving belt drives the chuck to be in one-way sliding connection with a workpiece, the second spring rods with two compressed and stretched sides can restore to the original position again and drive the outer revolving ring to have the tendency of moving towards the original position again, the adjusting rod can rotate reversely through the ratchet wheel at the moment, the outer revolving ring can drive the one-way gear to rotate at the moment, further, when the one-way gear drives the inner toothed plate to compress the fourth spring rod to the limit, the inner toothed plate can be meshed with the outer toothed plate, and then the outer toothed plate can drive the workpiece to move outwards through the chuck, so that the revolving body workpiece can be moved when the chuck is not loosened through the device, and the turning efficiency is improved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of a telescopic boom frame of the present invention;

FIG. 3 is a schematic diagram of an external gear of the present invention;

FIG. 4 is a schematic view of a structural internal rotation lever of the present invention;

FIG. 5 is a schematic view of the outer swivel ring of the present invention;

FIG. 6 is a schematic view of the outer annular groove of the present invention;

FIG. 7 is a schematic view of a one-way gear of the present invention.

Wherein: 1. a chuck; 2. a chuck slot; 3. a telescopic rod frame; 301. a chassis; 302. a fixed joint; 303. fastening the rotating plate; 304. a first spring lever; 4. processing a workpiece; 5. adjusting a rod; 6. a screw; 7. a threaded rod; 8. an outer gear; 9. an outer rotating rod; 901. an inner tank; 902. internal teeth; 903. an outer tooth; 904. an inner chute; 905. a movable ball; 10. an inner rotating rod; 11. fixing teeth; 12. an inner rotating disc; 121. an inner rotary groove; 122. fixing a rod; 123. an outer ring groove; 124. a second spring lever; 13. an outer swivel; 131. an outer clamping groove; 132. a third spring bar; 133. a clamping block; 134. an outer rotary groove; 135. clamping teeth; 136. a tooth socket; 14. a one-way gear; 141. an inner tooth sheet; 142. a gear groove; 143. a fourth spring bar; 144. and an outer tooth sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the invention provides a feedable chuck for a lathe, which comprises a chuck 1, a chuck groove 2 is arranged in the chuck 1, a telescopic rod frame 3 is fixedly welded on the left inner wall of the chuck groove 2, the telescopic rod frame 3 comprises a chassis 301, a fixed joint 302, a fastening rotating plate 303 and a first spring rod 304, the chassis 301 is fixedly welded on the right end face of the telescopic rod frame 3, the fixed joint 302 is fixedly welded on the right end face of the chassis 301, the fastening rotating plate 303 is fixedly welded on one end of the fixed joint 302 far away from the chassis 301, the first spring rod 304 is fixedly welded on the right side of the outer surface of the fastening rotating plate 303, one end of the first spring rod far away from the fastening rotating plate 303 is fixedly welded with the inner wall of the chuck groove 2 through the fixed joint 302, a workpiece 4 is movably clamped on the inner side surface of the fastening rotating plate 303, the chuck 1 is fixedly connected with the lathe, and the workpiece 4 is inserted into the chuck groove, when the workpiece 4 is contacted with the fastening rotating plate 303, the workpiece can be driven to move outwards, at the same time, the fastening rotating plate 303 can compress the first spring rod 304 through the fixing joint 302, and when the workpiece 4 continues to move towards the inner side of the chuck groove 2, at the same time, the telescopic rod frame 3 can be compressed through the chassis 301, so that one end of the workpiece, which is positioned at the inner side of the chuck, can be fixed through the fastening rotating plate 303 and the telescopic rod frame 3, the phenomenon that one end of the inner side of the workpiece swings when the workpiece rotates due to overlong length is avoided, the workpiece 4 is movably clamped in the telescopic rod frame 3, the right side end face of the chuck 1 is slidably connected with the adjusting rod 5, the left side end face of the adjusting rod 5 is fixedly welded with the screw rod 6, the left side end face of the screw rod 6 is connected with the threaded rod 7 in a threaded manner, the left end of the screw rod 6 is fixedly welded with the, the two ends of the outer rotating rod 9 are movably connected with an inner rotating rod 10, the outer rotating rod 9 comprises an inner groove 901, inner teeth 902, outer teeth 903, an inner sliding groove 904 and a movable ball 905, the inner groove 901 is arranged inside the inner rotating rod 10, the inner teeth 902 are welded and fixed on the outer surface of the outer rotating rod 9 and positioned inside the inner groove 901, the outer teeth 903 are welded and fixed on the inner wall of the inner groove 901 and meshed with the inner teeth 902, the inner sliding grooves 904 are respectively arranged on the outer side surfaces of the inner teeth 902 and the outer teeth 903, the movable ball 905 is respectively connected with the inner sliding groove 904 on the outer side surfaces of the inner teeth 902 and the outer teeth 903 in a rolling manner, a ratchet wheel is inserted into a hexagonal groove on the right side end surface of the adjusting rod 5 to drive the adjusting rod to rotate, the adjusting rod 5 can drive the screw rod 6 to be connected with the threaded rod 7 in a threaded manner and move inwards, meanwhile, the screw rod 6 can drive the outer rotating, and when the internal tooth 902 and the external tooth 903 are engaged with each other, the internal tooth 902 and the external tooth 903 can slide with each other, and when the internal tooth 902 and the external tooth 903 slide with each other, the movable ball 905 can slide in the internal sliding slot 904 on the end surface of the internal tooth 902 and the external tooth 903 respectively, so as to prevent the internal tooth 902 and the external tooth 903 from falling off while engaging and sliding, furthermore, when the internal rotating rod 10 rotates, the internal rotating disk 12 can be driven to rotate by the fixed tooth 11, and further the internal rotating disk 12 can be driven to rotate by the fixed rod 122, and further the external rotating ring 13 on the outer side can be contacted with the outer surface of the workpiece 4 and fix the workpiece in a limiting way, the fixed tooth 11 is welded and fixed on one side of the internal rotating rod 10 far away from the external rotating rod 9, the internal rotating disk 12 is engaged with the fixed tooth 11, the external rotating ring 13 is welded and fixed on the outer surface of the internal rotating disk 12, the internal rotating disk 12 comprises an internal rotating slot 121, a fixed rod 122, an external ring slot 123 and a second, the fixed rod 122 is connected with the inner rotary groove 121 in a sliding manner, and both ends of the fixed rod are welded and fixed with the inner wall of the chuck groove 2 through a bearing, the outer ring groove 123 is arranged on one side end face of the outer rotary ring 13 far away from the inner rotary groove 121, the inner end of the second spring rod 124 is welded and fixed with the inner wall of the outer ring groove 123, and the outer end of the second spring rod 124 is welded and fixed with the inner wall of the chuck groove 2, when the inner rotary ring 12 rotates, the fixed rod 122 is connected with the inner rotary groove 121 in a sliding manner, and simultaneously, both ends of the outer rotary ring 13 can respectively extend and compress the second spring rods 124 on both sides, so that the outer rotary ring 13 can reciprocate through the second spring rods 124 on both sides, and further, the outer surface of the outer rotary ring 13 can be always contacted with the workpiece 4, the inner part of the outer rotary ring 13 is welded and fixed with the one-way gear 14, the outer rotary ring 13 comprises an outer clamping groove 131, a third spring rod 132, a clamping, the outer clamping groove 131 is formed in the middle of the outer surface of the outer rotating ring 13, the third spring rod 132 is welded and fixed on the inner bottom surface of the outer clamping groove 131, the fixture block 133 is welded and fixed on one end of the third spring rod 132, which is far away from the outer clamping groove 131, the outer rotating groove 134 is formed on the outer side of the outer surface of the outer rotating ring 13, the latch 135 is rotatably connected inside the outer rotating groove 134 through a rotating pin and extends out of the outer rotating ring 13, the tooth groove 136 is formed in the inner side end surface of the latch 135 and is an arc-shaped groove, when the outer rotating ring 13 reciprocates and the outer surface of the outer rotating ring contacts with the workpiece 4, the workpiece 4 contacts with the outer clamping groove 131 and the tooth groove 136 respectively, the third spring rod 132 can be compressed through the fixture block 133 when the workpiece 4 contacts with the outer clamping groove 131, the arc-shaped fixture block 133 can further prevent the workpiece 4 from rotating during turning, and the outer rotating ring 13 drives the fixture 135 to, that is, when the direction of outward movement of the workpiece 4 is opposite, the workpiece 4 can be slidably connected to the latch 135 and pressed downward into the outer rotary groove 134, at this time, the latch 135 can drive the fourth spring rod 143 to extend through the outer tooth plate 144, so that the workpiece 4 can be slidably connected to the latch 135 in one direction, the one-way gear 14 includes an inner tooth plate 141, a gear groove 142, the fourth spring rod 143 and an outer tooth plate 144, the one-way gear 14 is welded and fixed inside the outer rotary groove 134, the inner tooth plate 141 is rotatably connected to the outer surface of the one-way gear 14 through a rotary pin, the gear groove 142 is opened inside the one-way gear 14, one end of the fourth spring rod 143 is welded and fixed to the inner wall of the gear groove 142, and the other end thereof is welded and fixed to the inner tooth plate 141, the outer tooth plate 144 is welded and fixed to the latch 135, the inner tooth plate 141 is movably engaged with the outer tooth plate 144, when the outer rotary ring 13 drives the latch 135 to be slidably, the second spring rod 124 with two sides compressed and stretched can restore to the original position again and drive the outer rotating ring 13 to move to the original position again, at this time, the adjusting rod 5 can be rotated reversely through the ratchet wheel, at this time, the outer rotating ring 13 can drive the one-way gear 14 to rotate, and further, when the one-way gear 14 drives the inner tooth plate 141 to compress the fourth spring rod 143 to the limit, the inner tooth plate can be meshed with the outer tooth plate 144, and further, the outer tooth plate 144 can drive the workpiece 4 to move outwards through the latch 135, so that the revolving body workpiece can be moved through the device without loosening the chuck 1, thereby improving the turning efficiency, the outer rotating rod 9 is meshed with the screw rod 6 through the outer gear 8, and the outer rotating rod 9 is connected with the inner rotating rod 10 in a sliding manner, and the purpose is that when the screw rod 6 drives the outer rotating rod 9 to rotate through the outer gear 8, the outer rotating rod 9 can be always meshed with the screw rod 6 through the outer gear, and is slidably coupled to the inner rotating lever 10 while the outer rotating lever 9 is rotated.

When in use, the chuck 1 is connected and fixed with a lathe, the workpiece 4 is inserted into the chuck groove 2, and when the workpiece 4 is contacted with the fastening rotating plate 303, the workpiece can be driven to move outwards, at the moment, the fastening rotating plate 303 can compress the first spring rod 304 through the fixing joint 302, and when the workpiece 4 continues to move towards the inner side of the chuck groove 2, the telescopic rod frame 3 can be compressed through the chassis 301, and then one end of the workpiece, which is positioned at the inner side of the chuck, can be fixed through the fastening rotating plate 303 and the telescopic rod frame 3, so that the phenomenon that one end at the inner side of the workpiece swings when rotating due to overlong workpiece is avoided, the ratchet wheel is inserted into the hexagonal groove at the right end face of the adjusting rod 5 to drive the ratchet wheel to rotate, and further, when the adjusting rod 5 rotates, the screw rod 6 can be connected with the thread of the threaded rod 7 and move inwards, and at the same time, the screw rod 6 can drive, furthermore, the inner rotating rod 10 can be driven to rotate by the inner teeth 902 and the outer teeth 903 while the outer rotating rod 9 rotates, the inner teeth 902 and the outer teeth 903 can slide with each other while being meshed with each other, the movable balls 905 can slide in the inner sliding grooves 904 on the end surfaces of the inner teeth 902 and the outer teeth 903 respectively while the inner teeth 902 and the outer teeth 903 slide with each other, further the inner teeth 902 and the outer teeth 903 can be prevented from falling off while being meshed with each other and sliding, in addition, the inner rotating rod 12 can be driven to rotate by the fixed teeth 11 while the inner rotating rod 10 rotates, further the outer rotating ring 13 can be driven to rotate by the inner rotating disk 12 through the fixed rod 122, further the outer rotating ring 13 on the outer side can be contacted with the outer surface of the workpiece 4 and limit and fix the outer rotating ring, the fixed rod 122 can be connected with the inner rotating groove 121 while the inner rotating disk 12 rotates, and simultaneously the two ends of the outer rotating ring 13 can respectively extend and compress the second spring rods 124 on the, the outer rotating ring 13 is further reciprocated by the second spring rods 124 at both sides, so that the outer surface of the outer rotating ring 13 can be always in contact with the workpiece 4, when the outer rotating ring 13 reciprocates and the outer surface thereof is in contact with the workpiece 4, the workpiece 4 is in contact with the outer clamping grooves 131 and the tooth grooves 136, respectively, so that the third spring rod 132 can be compressed by the fixture 133 while the workpiece 4 is in contact with the outer clamping grooves 131, and the arc-shaped fixture 133 can further prevent the workpiece 4 from rotating during turning, and simultaneously the outer rotating ring 13 drives the latch 135 to rotate, so that the workpiece 4 and the latch 135 can be slidably connected and pressed down into the outer rotating groove 134 when the direction of outward movement of the workpiece 4 is opposite, at this time, the latch 135 can drive the fourth spring rod 143 to extend by the outer tooth piece 144, so that the workpiece 4 and the latch 135 can be slidably connected unidirectionally, after the outer rotary ring 13 drives the latch 135 to be in one-way sliding connection with the workpiece 4, the second spring rods 124 with two sides compressed and stretched can restore to the original position again and drive the outer rotary ring 13 to have the tendency of moving to the original position again, at the moment, the adjusting rod 5 can be rotated reversely through the ratchet wheel, at the moment, the outer rotary ring 13 can drive the one-way gear 14 to rotate, further, when the one-way gear 14 drives the inner toothed plate 141 to compress the fourth spring rod 143 to the limit, the inner toothed plate can be meshed with the outer toothed plate 144, further, the outer toothed plate 144 can drive the workpiece 4 to move outwards through the latch 135, and therefore, when the chuck 1 is not loosened through the device, the revolving body workpiece can also be moved, and therefore, the turning efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A kind of lathe uses the feeding chuck, including the chuck (1), characterized by: the chuck is characterized in that a chuck groove (2) is formed in the chuck (1), a telescopic rod frame (3) is fixedly welded on the inner wall of the left side of the chuck groove (2), a workpiece (4) is clamped in the inner movable joint of the telescopic rod frame (3), an adjusting rod (5) is connected to the end face of the right side of the chuck (1) in a sliding manner, a screw (6) is fixedly welded on the end face of the left side of the adjusting rod (5), a threaded rod (7) is connected to the end face of the left side of the screw (6) in a threaded manner, the left end of the screw is fixedly welded on the inner wall of the chuck (1), an external gear (8) is meshed with the screw (6), an external rotating rod (9) is fixedly welded inside the external gear (8), an internal rotating rod (10) is movably connected with the two ends of the external rotating rod (9), a fixed tooth (11) is fixedly welded on one side, far away from the external rotating rod (9), and, an outer rotating ring (13) is fixedly welded on the outer surface of the inner rotating disc (12), and a one-way gear (14) is fixedly welded inside the outer rotating ring (13).

2. The feedable chuck for lathe of claim 1, wherein: telescopic link frame (3) include chassis (301), fixed festival (302), fastening commentaries on classics board (303) and first spring lever (304), chassis (301) welded fastening is at the right side terminal surface of telescopic link frame (3), fixed festival (302) welded fastening is at the right side terminal surface of chassis (301), the one end of chassis (301) is kept away from in fixed festival (302) to fastening commentaries on classics board (303), first spring lever (304) welded fastening is on the surface right side of fastening commentaries on classics board (303), and its one end of keeping away from fastening commentaries on classics board (303) is through the inner wall welded fastening of fixed festival (302) with chuck groove (2), machined part (4) activity joint is at the inboard surface of fastening commentaries on classics board (303).

3. The feedable chuck for lathe of claim 1, wherein: the outer rotating rod (9) comprises an inner groove (901), inner teeth (902), outer teeth (903), an inner sliding groove (904) and a movable ball (905), wherein the inner groove (901) is formed in the inner rotating rod (10), the inner teeth (902) are fixedly welded on the outer surface of the outer rotating rod (9) and located in the inner groove (901), the outer teeth (903) are fixedly welded on the inner wall of the inner groove (901) and meshed with the inner teeth (902), the inner sliding groove (904) is formed in the outer side surfaces of the inner teeth (902) and the outer teeth (903) respectively, and the movable ball (905) is in rolling connection with the inner sliding groove (904) on the outer side surfaces of the inner teeth (902) and the outer teeth (903) respectively.

4. The feedable chuck for lathe of claim 1, wherein: the inner rotary disc (12) comprises an inner rotary groove (121), a fixed rod (122), an outer annular groove (123) and a second spring rod (124), the inner rotary groove (121) is formed in the end face of the inner rotary disc (12) and close to one side of the outer rotary ring (13), the fixed rod (122) is connected with the inner rotary groove (121) in a sliding mode, two ends of the fixed rod are fixedly welded to the inner wall of the chuck groove (2) through bearings, the outer annular groove (123) is formed in the end face, far away from the inner rotary groove (121), of the outer rotary ring (13), one end, on the inner side, of the second spring rod (124) is fixedly welded to the inner wall of the outer annular groove (123), and one end, on the outer side, of the second spring rod is fixedly welded to the inner wall of the chuck groove (2).

5. The feedable chuck for lathe of claim 1, wherein: the outer rotating ring (13) comprises an outer clamping groove (131), a third spring rod (132), a clamping block (133), an outer rotating groove (134), a clamping tooth (135) and a tooth groove (136), the outer clamping groove (131) is formed in the middle of the outer surface of the outer rotating ring (13), the third spring rod (132) is fixedly welded on the inner bottom surface of the outer clamping groove (131), the clamping block (133) is fixedly welded at one end, far away from the outer clamping groove (131), of the third spring rod (132), the outer rotating groove (134) is formed in the outer side of the outer surface of the outer rotating ring (13), the clamping tooth (135) is rotatably connected inside the outer rotating groove (134) through a rotating pin and extends out of the outer rotating ring (13), and the tooth groove (136) is formed in the inner side surface of the clamping tooth (135) and is an arc-shaped groove.

6. The feedable chuck for lathe of claim 1, wherein: one-way gear (14) are including interior tooth piece (141), gear groove (142), fourth spring beam (143) and outer tooth piece (144), one-way gear (14) welded fastening is in the inside of outer rotating groove (134), interior tooth piece (141) rotate the surface of connecting in one-way gear (14) through the bull pin, the inside at one-way gear (14) is seted up in gear groove (142), the one end welded fastening of fourth spring beam (143) is at the inner wall of gear groove (142), and its other end and interior tooth piece (141) welded fastening, outer tooth piece (144) and latch (135) welded fastening, interior tooth piece (141) and outer tooth piece (144) activity joint.

7. The feedable chuck for lathe of claim 1, wherein: the outer rotating rod (9) is meshed with the screw rod (6) through the outer gear (8), and the outer rotating rod (9) is connected with the inner rotating rod (10) in a sliding mode.

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