CN203830638U - Blind-riveting tool gun with torsion limiting mechanism - Google Patents
Blind-riveting tool gun with torsion limiting mechanism Download PDFInfo
- Publication number
- CN203830638U CN203830638U CN201420253811.8U CN201420253811U CN203830638U CN 203830638 U CN203830638 U CN 203830638U CN 201420253811 U CN201420253811 U CN 201420253811U CN 203830638 U CN203830638 U CN 203830638U
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- China
- Prior art keywords
- pull
- head
- limiting mechanism
- torsion
- rivet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/105—Portable riveters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/02—Riveting procedures
- B21J15/04—Riveting hollow rivets mechanically
- B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
- B21J15/26—Drives for riveting machines; Transmission means therefor operated by rotary drive, e.g. by electric motor
Abstract
The utility model discloses a blind-riveting tool gun with a torsion limiting mechanism. According to the technical scheme, the blind-riveting tool gun is characterized by comprising a gun head case and a gun body case. An end cap, a rivet pulling head, a clamping head pushing rod, a push-pull rod sleeve and a push-pull screw are sequentially and coaxially arranged in the gun head case. Pulling head sleeves are arranged outside the rivet pulling head and the clamping head pushing rod in a sleeved mode. The torsion limiting mechanism, a reducing mechanism and a motor driving mechanism are sequentially arranged in the gun body case in a linkage mode. The torsion limiting mechanism comprises an output transmission shaft. The output transmission shaft is sequentially provided with a torsion limiter gasket, a torsion elastic part and a clutch pressure plate in a sleeved mode. One side, corresponding to the reducing mechanism, of the clutch pressure plate is provided with a plurality of steel balls. One side, corresponding to the torsion limiting mechanism, of the reducing mechanism is provided with a plurality of clamping grooves. Roller pins matched with the steel balls are arranged in the clamping grooves in a rolling mode. According to the blind-riveting tool gun with the torsion limiting mechanism, torque can be effectively prevented from being excessively large and damaging the blind-riveting tool gun.
Description
Technical field
The utility model relates to electric tool equipment technical field, is specifically related to a kind of hand riveter with torsion limiting mechanism.
Background technology
Self-plugging rivet is the rivet that a class blind riveting is used, but must use specific purpose tool riveting gun to rivet.When riveted joint, rivet blind rivet is pulled by special riveting gun, and rivet body is expanded, and plays riveted joint effect.This class rivet is specially adapted to the riveted joint occasion of inconvenience employing conventional rivets (must rivet from two sides), therefore on the products such as the building of being widely used in, automobile, boats and ships, aircraft, machine, electrical equipment, furniture.Use riveting gun when riveted joint, only needing one-sided construction be achievable riveting work, construction, operation is very easy, fast, can not destroy workpiece, be applicable to the position construction that hand or top iron cannot arrive.Riveted joint principle is the sheet material that manufactured head runs through riveted joint, and it is flange shape that rivet bar is subject to pulling force to force manufactured head expansion to form, and makes material reach the object of riveted joint.Riveting gun includes hand-operated core pulling riveting gun, Pneumatic core-pulling riveting gun and electric core extraction pneumatic riveter.Conventionally it is manual, on market and in engineering, using core extraction pneumatic riveter.The operation principle of hand-operated core pulling riveting gun is: hand-tightly hold two smalls of the stock by two, two arms firmly to centre with strength, pull a bobbin by lever, and two claws are equipped with in bobbin head inside, two claws are wrapped in the internal conical surface of its outside cylinder die cavity body by means of ring, bite self-plugging rivet bar and pull back.When operation, first the steel rivet bar of self-plugging rivet afterbody is inserted in two claws of core extraction pneumatic riveter head, and then core extraction pneumatic riveter is just put, rivet is inserted will rivet in the hole of workpiece, again firmly by the folding of the self-plugging rivet small of the stock several times, along with seesawing of bobbin, two claws in it divide and pull several times self-plugging rivet bar, stub end by self-plugging rivet bar supports large by the taper end compression of rivet, until combination workpiece is riveted tightly, last rivet bar holds can't stand large pulling force again, in stub end generation constriction, till fracture, complete riveting.Pneumatic core-pulling riveting gun is that compressed air is changed into and surged, the riveting work that seesawed of control piston axle.Hand-operated core pulling riveting gun inefficiency, the power consumption of Pneumatic core-pulling riveting gun is large, therefore, the limitation of the riveting gun of tradition vapour-pressure type is more and more obvious, be difficult to meet the demand that modern industry is produced, there is again on the market electric blind-riveting tool gun for this reason, be easy to use efficiently than original vapour-pressure type riveting gun, with respect to traditional hand riveter, moment of torsion is larger, complete more easily the installment work of rivet, but in the time that the moment of torsion of hand riveter is excessive, be easy to cause the damage of hand riveter, bring unnecessary trouble to production work, and hand riveter of the prior art does not well address this problem present situation yet, there is improved space.
Utility model content
For prior art exist deficiency, the utility model provide a kind of can effectively avoid moment of torsion excessive and cause hand riveter damage the hand riveter with torsion limiting mechanism.
For achieving the above object, the utility model provides following technical scheme: a kind of hand riveter with torsion limiting mechanism, comprise rifle head shell and rifle body case, in rifle head shell, be coaxially arranged with successively plug, rivet pull head, chuck push rod, pull bar cover and push-pull screw, rivet pull head and chuck push rod are arranged with pull head cover outward, pull head cover is connected with pull bar cover, in rifle body case, be linkedly set with successively torsion limiting mechanism, reducing gear and motor-driven mechanism, torsion limiting mechanism comprises take-off (propeller) shaft, on take-off (propeller) shaft, be arranged with successively torque force limiting device pad, torsion elastic component and clutch compressing disc, corresponding reducing gear one side of clutch compressing disc is provided with some steel balls, the corresponding torsion limiting mechanism of reducing gear one side is provided with some draw-in grooves, in draw-in groove, roll and be provided with the needle roller that coordinates steel ball.
By adopting technique scheme, drive to reducing gear by the motor-driven mechanism in rifle body case, reducing gear reduces the rotating speed being transmitted by motor-driven mechanism place, and make it moment of torsion promote, and drive to successively take-off (propeller) shaft, push-pull screw and pull bar cover, in the time of motor-driven mechanism forward, spacing between push-pull screw and pull bar cover reduces, pull bar cover pushes to chuck push rod rivet pull head place and pushes rivet pull head, make it to strut, now self-plugging rivet can stretch in rifle head shell from plug, now motor-driven mechanism reversion, spacing between push-pull screw and pull bar cover increases, rivet pull head is by the clamping of axle center rivet and by its extraction, owing to being provided with torsion limiting mechanism between reducing gear and push-pull screw, in the time that reducing gear rotates, reducing gear drives the needle roller in draw-in groove to do circumferentially to rotate, needle roller is in doing circumferentially rotation, steel ball on clutch compressing disc can be to the needle roller resistance that rotates, and drive clutch compressing disc to rotate, in the time that torsion constantly increases, needle roller promotes ball, force clutch compressing disc towards torque force limiting device pad one side shifting and push torsion elastic component, realize clutch action, can effectively avoid moment of torsion excessive and cause hand riveter damage.
The utility model is further set to, reducing gear comprises epicyclic gearbox, in epicyclic gearbox, be disposed with output shaft and several rows gear rack, output shaft, pinion frame and epicyclic gearbox are all coaxial setting, one side of the corresponding output shaft of pinion frame is all coaxially arranged with travelling gear, the opposite side of the corresponding travelling gear of pinion frame is uniformly distributed circumferentially sprocket drive spindle, one side of output shaft corresponding row gear rack is uniformly distributed circumferentially sprocket drive spindle, on gear shaft, be all arranged with planetary gear, the meshing interlock of planetary gear and travelling gear, and epicyclic gearbox and the interlock of some planet gear mesh, on epicyclic gearbox, offer the through hole wearing for take-off (propeller) shaft, take-off (propeller) shaft passes through hole and is connected with output shaft, draw-in groove is positioned at a side of the corresponding torsion limiting mechanism of epicyclic gearbox.
By adopting technique scheme, output shaft and several rows gear rack are coaxial setting, in a side of pinion frame, some gear shafts are uniformly distributed circumferentially, planetary gear is set on gear shaft, link and drive planetary gear by motor-driven mechanism, planetary gear can rotate around gear shaft, some planetary gears gear rack that detours in rotation revolves round the sun, linkage drives pinion frame, pinion frame links and drives the travelling gear of its opposite side to rotate in revolving round the sun, travelling gear can drive again next planetary gear and pinion frame to rotate, and power is passed on output shaft the most at last, thereby reduce the rotating speed of motor, increase moment of torsion, on epicyclic gearbox, offer through hole, take-off (propeller) shaft passes through hole and is connected with output shaft, in planetary gear rotation, the meshing interlock of planetary gear and epicyclic gearbox also drives epicyclic gearbox to rotate, epicyclic gearbox drives the needle roller in draw-in groove to do circumferentially to rotate, realize the matching relationship of itself and torsion limiting mechanism.
The utility model is further set to, the other end of the corresponding reducing gear of take-off (propeller) shaft offers hexagonal screw channel, one end of the corresponding take-off (propeller) shaft of push-pull screw is provided with the turret head that coordinates hexagonal screw channel, the other end of the corresponding turret head of push-pull screw is thread head, one end that pull bar overlaps corresponding pull bar is provided with the thread groove of matching thread head, pull bar overlaps the other end and the interlock of chuck push rod of corresponding pull bar, and chuck push rod is arranged in pull head cover and linkage promotes rivet pull head.
By adopting technique scheme, the turret head of push-pull screw interts in the hexagonal screw channel on take-off (propeller) shaft, be linked and realize transmission by it, the torsion being transmitted by reducing gear and come is sent on push-pull screw, push-pull screw is in the time rotating, its thread head can match with the thread groove of pull bar cover, make thread head can screw thread precession thread groove in, or can screw out in thread groove by screw thread, in the time of push-pull screw forward, thread head can precession thread groove in, because the relative position of push-pull screw is motionless, now pull bar cover is to push-pull screw one side shifting, in the time that push-pull screw reverses, thread head can screw out in thread groove, same, push-pull screw relative position is motionless, pull bar overlaps push-pull screw one side shifting dorsad, in the time that pull bar overlaps that push-pull screw moves dorsad, pull bar cover promotes chuck push rod, chuck push rod promotes rivet pull head, force rivet pull head to be pressed on plug, now can be inserted in rifle head shell from plug for axle center rivet, at pull bar cover during to push-pull screw one side shifting, pull bar cover drives the interlock of pull head cover, pull head cover is to push-pull screw one side shifting and drive rivet pull head, rivet pull head is now by the clamping of axle center rivet and to push-pull screw one side shifting, self-plugging rivet is loosed core and install fixing.
Further, rivet pull head comprises three claws, three claws form the rivet pull head that is frustum, pull head cover comprises the movable chamber that is taper, movable being arranged in movable chamber of rivet pull head of frustum, and the external diameter of the other end of the corresponding plug of rivet pull head is greater than the internal diameter in the movable chamber of taper, one end of three corresponding plugs of claw can be opened and be connected on plug by pressurized, between three claws, is formed with screw channel.
By adopting technique scheme, three claws form the rivet pull head that is frustum, in the time of chuck push rod compressing rivet pull head, after three claw pressurizeds, slightly open and be connected on plug, now self-plugging rivet can be in plug inserts and puts in the screw channel forming between three claws, because pull head cover comprises the movable chamber that is taper, rivet pull head is active in movable chamber, and the external diameter of the other end of the corresponding plug of rivet pull head is greater than the internal diameter in the movable chamber of taper, in the time that pull head is enclosed within pull bar cover drive lower back to plug one side shifting, pull head cover three claws are pulled and dorsad plug move, now between three claws, fold and self-plugging rivet is clamped, by screw channel, self-plugging rivet is clamped firmly and fixed, loosed core and installed fixing.
The utility model is further set to, and offers the slideway that can arrange for the slippage of chuck push rod in pull bar cover, and in the corresponding slideway of chuck push rod, one end is outstanding is formed with boss, is arranged with spring on boss, and the other end of spring is connected to the bottom face of slideway.
By adopting technique scheme, in pull bar cover, offer slideway, chuck push rod slip is arranged in slideway, between chuck push rod and slideway, spring is set, and spring housing is located on boss, slideway and boss can play guide and limit effect to spring, in the time that pull bar overlaps that push-pull screw moves dorsad, pull bar cover promotes chuck push rod by the cooperation of spring, force chuck push rod extruding rivet pull head, the damage that spring causes parts with avoiding coordinating of chuck push rod causing chuck push rod excessive compression rivet pull head because moment of torsion is excessive.
The utility model is further set to, and one end that pull bar overlaps corresponding push-pull screw is provided with hex nut.
By adopting technique scheme, one end that pull bar overlaps corresponding push-pull screw is provided with hex nut, this hex nut can match with rifle head shell, pull bar is enclosed within fixing in the radial direction, avoid pull bar cover to rotate in a circumferential direction, make in the time that push-pull screw rotates, pull bar is enclosed within the process of push-pull screw threaded engagement spinning in and out and can only moves vertically relative to push-pull screw.
The utility model is further set to, and is arranged with bearing on push-pull screw.
By adopting technique scheme, on push-pull screw, be arranged with bearing, push-pull screw is rotated in transmission process more flexible, guarantee that its transmission is more reliable and stable.
The utility model is further set to, and motor-driven mechanism includes the output shaft with the meshing interlock of planetary gear, is arranged with fan blade on output shaft, and fan blade and output shaft interlock are rotated.
By adopting technique scheme, motor-driven mechanism is by output shaft and the meshing interlock of planetary gear, power is passed on reducing gear, sheathed fan blade on output shaft, make motor-driven mechanism drive fan blade work in output transmission, the heat-sinking capability while effectively having improved equipment operation.
Compared with prior art, the utility model has the advantage of: this hand riveter with torsion limiting mechanism by motor-driven mechanism as power source, utilize reducing gear that the high rotating speed of motor-driven mechanism is reduced, thereby raising moment of torsion, for follow-up self-plugging rivet loose core install steady job enough torsion is provided, guarantee to loose core the carrying out smoothly of installment work, and torsion limiting mechanism is further set in reducing gear transmission process, prevent that moment of torsion is excessive and cause the damage of hand riveter, in promoting moment of torsion to greatest extent, can avoid again moment of torsion excessive and cause the hidden danger of hand riveter inner components damage.
Brief description of the drawings
Fig. 1 is the schematic diagram of the hand riveter of the utility model band torsion limiting mechanism;
Fig. 2 is the sectional structure schematic diagram of the hand riveter of the utility model band torsion limiting mechanism;
Fig. 3 is the part exploded perspective view of the hand riveter of the utility model band torsion limiting mechanism;
Fig. 4 is the exploded perspective view of the utility model torsion limiting mechanism and reducing gear;
Fig. 5 is the cutaway view of the utility model torsion limiting mechanism and reducing gear;
Fig. 6 is the schematic diagram of the utility model rivet pull head;
Fig. 7 is the cutaway view of the utility model pull head cover;
Fig. 8 is the cutaway view of the utility model rivet pull head and pull head cover;
Fig. 9 is the schematic diagram of the utility model motor-driven mechanism and fan blade.
Reference numeral: 1, rifle head shell; 11, plug; 12, rivet pull head; 121, screw channel; 13, chuck push rod; 131, boss; 14, pull bar cover; 141, slideway; 142, spring; 143, hex nut; 15, push-pull screw; 151, turret head; 152, thread head; 153, bearing; 16, pull head cover; 2, rifle body case; 3, torsion limiting mechanism; 31, take-off (propeller) shaft; 311, hexagonal screw channel; 32, torque force limiting device pad; 33, torsion elastic component; 34, clutch compressing disc; 35, steel ball; 36, needle roller; 4, reducing gear; 41, epicyclic gearbox; 411, through hole; 42, output shaft; 43, pinion frame; 431, travelling gear; 432, gear shaft; 44, planetary gear; 5, motor-driven mechanism; 51, fan blade.
Detailed description of the invention
Referring to figs. 1 through Fig. 9, the hand riveter embodiment of the utility model band torsion limiting mechanism is described further.
A kind of hand riveter with torsion limiting mechanism, comprise rifle head shell 1 and rifle body case 2, in rifle head shell 1, be coaxially arranged with successively plug 11, rivet pull head 12, chuck push rod 13, pull bar cover 14 and push-pull screw 15, wherein plug 11 can be threaded connection to install with rifle head shell 1 and fix, the outer pull head cover 16 that is arranged with of rivet pull head 12 and chuck push rod 13, pull head cover 16 is connected with pull bar cover 14, preferably, between pull head cover 16 and pull bar cover 14, can be threaded connection fixing, overlap the 16 interior internal threads that arrange at pull head, pull bar overlaps the external screw thread that arranges of 14 correspondences, in rifle body case 2, be linkedly set with successively torsion limiting mechanism 3, reducing gear 4 and motor-driven mechanism 5, it should be noted that herein, in rifle body case 2, be also provided with control circuit, control circuit external power supply and switch trigger, this control circuit belongs to common known technology means in the prior art, this motor-driven mechanism 5 be can control and forward and reverse rotation done, therefore not to repeat here, drive to reducing gear 4 by motor-driven mechanism 5, further, reducing gear 4 comprises epicyclic gearbox 41, in epicyclic gearbox 41, be disposed with output shaft 42 and several rows gear rack 43, output shaft 42, pinion frame 43 and epicyclic gearbox 41 are all coaxial setting, a side at the corresponding output shaft 42 of pinion frame 43 is all coaxially arranged with travelling gear 431, the opposite side of the corresponding travelling gear 431 of pinion frame 43 is uniformly distributed circumferentially sprocket drive spindle 432, one side of output shaft 42 corresponding row gear racks 43 is uniformly distributed circumferentially sprocket drive spindle 432, on gear shaft 432, be all arranged with planetary gear 44, planetary gear 44 and the meshing interlock of travelling gear 431, and epicyclic gearbox 41 is (preferred with the meshing interlock of some planetary gears 44, three rooted tooth wheel shafts 432 on each pinion frame 43, are uniformly distributed circumferentially, on every rooted tooth wheel shaft 432, be all arranged with a planetary gear 44, and a side of output shaft 42 corresponding row gear racks 43 is uniformly distributed circumferentially sprocket drive spindle 432, preferably, on output shaft 42, edge is circumferentially also evenly distributed with three gear shafts 432, on every rooted tooth wheel shaft 432, be all arranged with a planetary gear 44), drive planetary gear 44 by motor-driven mechanism 5 interlocks, planetary gear 44 can rotate around gear shaft 432, some planetary gears 44 gear rack 43 that detours in rotation revolves round the sun, linkage drives pinion frame 43, pinion frame 43 links and drives the travelling gear 431 of its opposite side to rotate in revolving round the sun, travelling gear 431 can drive again next planetary gear 44 and pinion frame 43 to rotate, and power is passed on output shaft 42 the most at last, reduce the rotating speed being transmitted by motor-driven mechanism 5 places, and make it moment of torsion promote, on epicyclic gearbox 41, offer through hole 411, take-off (propeller) shaft 31 passes through hole 411 and is connected with output shaft 42, and drive to successively take-off (propeller) shaft 31, push-pull screw 15 and pull bar cover 14, in the time of motor-driven mechanism 5 forward, spacing between push-pull screw 15 and pull bar cover 14 reduces, pull bar cover 14 pushes to chuck push rod 13 rivet pull head 12 places and pushes rivet pull head 12, make it to strut, now self-plugging rivet can stretch in rifle head shell 1 from plug 11, now motor-driven mechanism 5 is reversed, spacing between push-pull screw 15 and pull bar cover 14 increases, rivet pull head 12 is by the clamping of axle center rivet and by its extraction, owing to being provided with torsion limiting mechanism 3 between reducing gear 4 and push-pull screw 15, torsion limiting mechanism 3 comprises take-off (propeller) shaft 31, on take-off (propeller) shaft 31, be arranged with successively torque force limiting device pad 32, torsion elastic component 33 and clutch compressing disc 34, corresponding reducing gear 4 one sides of clutch compressing disc 34 are provided with some steel balls 35, corresponding torsion limiting mechanism 3 one sides of reducing gear 4 are provided with some draw-in grooves, in draw-in groove, roll and be provided with the needle roller 36 that coordinates steel ball 35, rotate at reducing gear 4, when planetary gear 44 rotation, planetary gear 44 is with the meshing interlock of epicyclic gearbox 41 and drive epicyclic gearbox 41 to rotate, epicyclic gearbox 41 drives the needle roller 36 in draw-in groove to do circumferentially to rotate, needle roller 36 is in doing circumferentially rotation, steel ball on clutch compressing disc 34 35 can be to needle roller 36 resistance that rotates, and drive clutch compressing disc 34 to rotate, in the time that torsion constantly increases, needle roller 36 promotes ball, force clutch compressing disc 34 towards torque force limiting device pad 32 1 side shiftings and push preferably torque spring of torsion elastic component 33(), realize clutch action, can effectively avoid moment of torsion excessive and cause hand riveter damage, and as shown in Figure 2, rivet pull head, chuck push rod, pull bar cover, push-pull screw, torsion limiting mechanism, reducing gear and motor-driven mechanism are all coaxial setting, transmission coordinates efficiency high, reduce transmission loss, and parts coordinate tightr, effectively reduce equipment failure rate.
Further, the other end of the corresponding reducing gear 4 of take-off (propeller) shaft 31 offers hexagonal screw channel 311, one end of the corresponding take-off (propeller) shaft 31 of push-pull screw 15 is provided with the turret head 151 that coordinates hexagonal screw channel 311, the other end of the corresponding turret head 151 of push-pull screw 15 is thread head 152, one end that pull bar overlaps 14 corresponding pull bars is provided with the thread groove of matching thread head 152, the other end and chuck push rod 13 that pull bar overlaps 14 corresponding pull bars link, chuck push rod 13 is arranged in pull head cover 16 and linkage promotes rivet pull head 12, the turret head 151 of push-pull screw 15 interts in the hexagonal screw channel 311 on take-off (propeller) shaft 31, be linked and realize transmission by it, the torsion being transmitted by reducing gear 4 and come is sent on push-pull screw 15, push-pull screw 15 is in the time rotating, its thread head 152 can overlap 14 thread groove with pull bar and match, make thread head 152 can screw thread precession thread groove in, or can screw out in thread groove by screw thread, in the time of push-pull screw 15 forward, thread head 152 can precession thread groove in, because the relative position of push-pull screw 15 is motionless, now pull bar cover 14 is to push-pull screw 15 1 side shiftings, in the time that push-pull screw 15 reverses, thread head 152 can screw out in thread groove, same, push-pull screw 15 relative positions are motionless, pull bar cover 14 push-pull screw 15 1 side shiftings dorsad, at pull bar cover 14 when push-pull screw 15 moves dorsad, pull bar cover 14 promotes chuck push rod 13, chuck push rod 13 promotes rivet pull head 12, preferably, rivet pull head 12 comprises that three claws (certainly, rivet pull head 12 can be to be also made up of two claws, or can be also to be formed by multi-disc claw), three claws form the rivet pull head 12 that is frustum, pull head cover 16 comprises the movable chamber that is taper, movable being arranged in movable chamber of rivet pull head 12 of frustum, and the external diameter of the other end of the corresponding plug 11 of rivet pull head 12 is greater than the internal diameter in the movable chamber of taper, one end of three corresponding plugs 11 of claw can be opened and be connected on plug 11 by pressurized, between three claws, be formed with screw channel 121, in the time that chuck push rod 13 is oppressed rivet pull head 12, after three claw pressurizeds, slightly open and be connected on plug 11, now self-plugging rivet can be in plug 11 inserts and puts in the screw channel 121 forming between three claws, because pull head cover 16 comprises the movable chamber that is taper, rivet pull head 12 is active in movable chamber, and the external diameter of the other end of the corresponding plug 11 of rivet pull head 12 is greater than the internal diameter in the movable chamber of taper, at pull head cover 16 under pull bar cover 14 drives dorsad when plug 11 1 side shifting, pull head cover 16 three claws are pulled and dorsad plug 11 move, now between three claws, fold and self-plugging rivet is clamped, by screw channel 121, self-plugging rivet is clamped firmly and fixed, and to push-pull screw 15 1 side shiftings, self-plugging rivet is loosed core and install fixing.
Preferably, in pull bar cover 14, offer slideway 141, chuck push rod 13 slips are arranged in slideway 141, between chuck push rod 13 and slideway 141, spring 142 is set, the outstanding boss 131 that is formed with in the interior one end of the corresponding slideway 141 of chuck push rod 13, spring 142 is set on boss 131, slideway 141 and boss 131 can play guide and limit effect to spring 142, at pull bar cover 14 when push-pull screw 15 moves dorsad, pull bar cover 14 promotes chuck push rod 13 by the cooperation of spring 142, force chuck push rod 13 to push rivet pull head 12, the damage that spring 142 causes parts with avoiding coordinating of chuck push rod 13 causing chuck push rod 13 excessive compression rivet pull heads 12 because moment of torsion is excessive, and overlapping one end of 14 corresponding push-pull screws 15, pull bar is provided with hex nut 143, this hex nut 143 can match with rifle head shell 1, pull bar cover 14 is being fixed in the radial direction, avoid pull bar cover 14 to rotate in a circumferential direction, make in the time that push-pull screw 15 rotates, pull bar cover 14 is can only move vertically relative to push-pull screw 15 with the process of push-pull screw 15 threaded engagement spinning in and out, on push-pull screw 15, be arranged with bearing 153, push-pull screw 15 rotated in transmission process more flexible, guarantee that its transmission is more reliable and stable.
Further, motor-driven mechanism 5 is by output shaft 42 and the meshing interlock of planetary gear 44, power is passed on reducing gear 4, sheathed fan blade 51 on output shaft 42, make motor-driven mechanism 5 drive fan blade 51 to work in output transmission, the heat-sinking capability while effectively having improved equipment operation.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. the hand riveter with torsion limiting mechanism, comprise rifle head shell and rifle body case, it is characterized in that: in described rifle head shell, be coaxially arranged with successively plug, rivet pull head, chuck push rod, pull bar cover and push-pull screw, described rivet pull head and chuck push rod are arranged with pull head cover outward, pull head cover is connected with pull bar cover, in described rifle body case, be linkedly set with successively torsion limiting mechanism, reducing gear and motor-driven mechanism, described torsion limiting mechanism comprises take-off (propeller) shaft, on described take-off (propeller) shaft, be arranged with successively torque force limiting device pad, torsion elastic component and clutch compressing disc, corresponding reducing gear one side of described clutch compressing disc is provided with some steel balls, the corresponding torsion limiting mechanism of described reducing gear one side is provided with some draw-in grooves, in described draw-in groove, roll and be provided with the needle roller that coordinates steel ball.
2. the hand riveter with torsion limiting mechanism according to claim 1, it is characterized in that: described reducing gear comprises epicyclic gearbox, in described epicyclic gearbox, be disposed with output shaft and several rows gear rack, described output shaft, pinion frame and epicyclic gearbox are all coaxial setting, one side of the corresponding output shaft of described pinion frame is all coaxially arranged with travelling gear, the opposite side of the corresponding travelling gear of pinion frame is uniformly distributed circumferentially sprocket drive spindle, one side of described output shaft corresponding row gear rack is uniformly distributed circumferentially sprocket drive spindle, on described gear shaft, be all arranged with planetary gear, the meshing interlock of described planetary gear and travelling gear, and described epicyclic gearbox and the interlock of some planet gear mesh, on described epicyclic gearbox, offer the through hole wearing for take-off (propeller) shaft, take-off (propeller) shaft passes through hole and is connected with output shaft, described draw-in groove is positioned at a side of the corresponding torsion limiting mechanism of epicyclic gearbox.
3. the hand riveter with torsion limiting mechanism according to claim 1 and 2, it is characterized in that: the other end of the corresponding reducing gear of described take-off (propeller) shaft offers hexagonal screw channel, one end of the corresponding take-off (propeller) shaft of described push-pull screw is provided with the turret head that coordinates hexagonal screw channel, the other end of the corresponding turret head of described push-pull screw is thread head, one end that described pull bar overlaps corresponding pull bar is provided with the thread groove of matching thread head, pull bar overlaps the other end and the interlock of chuck push rod of corresponding pull bar, and described chuck push rod is arranged in pull head cover and linkage promotes rivet pull head.
4. the hand riveter with torsion limiting mechanism according to claim 3, it is characterized in that: described rivet pull head comprises three claws, described three claws form the rivet pull head that is frustum, described pull head cover comprises the movable chamber that is taper, movable being arranged in movable chamber of rivet pull head of frustum, and the external diameter of the other end of the corresponding plug of rivet pull head is greater than the internal diameter in the movable chamber of taper, one end of the corresponding plug of described three claws can be opened and be connected on plug by pressurized, between three claws, is formed with screw channel.
5. the hand riveter with torsion limiting mechanism according to claim 4, it is characterized in that: in described pull bar cover, offer the slideway that can arrange for the slippage of chuck push rod, the outstanding boss that is formed with in one end in the corresponding slideway of described chuck push rod, on described boss, be arranged with spring, the other end of spring is connected to the bottom face of slideway.
6. the hand riveter with torsion limiting mechanism according to claim 5, is characterized in that: one end that described pull bar overlaps corresponding push-pull screw is provided with hex nut.
7. the hand riveter with torsion limiting mechanism according to claim 6, is characterized in that: on described push-pull screw, be arranged with bearing.
8. the hand riveter with torsion limiting mechanism according to claim 1, is characterized in that: described motor-driven mechanism includes the output shaft with the meshing interlock of planetary gear, on described output shaft, is arranged with fan blade, and described fan blade and output shaft interlock are rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253811.8U CN203830638U (en) | 2014-05-17 | 2014-05-17 | Blind-riveting tool gun with torsion limiting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253811.8U CN203830638U (en) | 2014-05-17 | 2014-05-17 | Blind-riveting tool gun with torsion limiting mechanism |
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| CN203830638U true CN203830638U (en) | 2014-09-17 |
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| CN201420253811.8U Expired - Fee Related CN203830638U (en) | 2014-05-17 | 2014-05-17 | Blind-riveting tool gun with torsion limiting mechanism |
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| CN (1) | CN203830638U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999410A (en) * | 2015-07-17 | 2015-10-28 | 上海特倍孚铆接工具制造有限公司 | Electric rivet nut tool |
| CN108057831A (en) * | 2016-11-07 | 2018-05-22 | 纽弗雷公司 | Blind rivet fastening device |
| TWI632032B (en) * | 2017-08-17 | 2018-08-11 | 薪螢企業有限公司 | Electric rivet gun head seat structure improvement |
| CN110681784A (en) * | 2019-08-22 | 2020-01-14 | 广东万家乐燃气具有限公司 | Gas water heater sectional burner nozzle assembly tool and assembly process |
| RU2735767C2 (en) * | 2016-06-16 | 2020-11-06 | Бёльхофф Оталу С.А. | Quick-release mounting tool for element to be crimped |
| CN112536755A (en) * | 2020-12-04 | 2021-03-23 | 国网山东省电力公司烟台供电公司 | Power transmission and transformation high-voltage electrified bolt fastener capable of remotely controlling torque force |
| US11673243B2 (en) | 2018-09-05 | 2023-06-13 | Milwaukee Electric Tool Corporation | Blind rivet nut-setting tool |
| CN110681784B (en) * | 2019-08-22 | 2024-05-03 | 广东万家乐燃气具有限公司 | Gas water heater segmented burner nozzle assembly tool and assembly process |
-
2014
- 2014-05-17 CN CN201420253811.8U patent/CN203830638U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104999410A (en) * | 2015-07-17 | 2015-10-28 | 上海特倍孚铆接工具制造有限公司 | Electric rivet nut tool |
| CN104999410B (en) * | 2015-07-17 | 2017-03-22 | 上海特倍孚铆接工具制造有限公司 | Electric rivet nut tool |
| RU2735767C2 (en) * | 2016-06-16 | 2020-11-06 | Бёльхофф Оталу С.А. | Quick-release mounting tool for element to be crimped |
| CN108057831A (en) * | 2016-11-07 | 2018-05-22 | 纽弗雷公司 | Blind rivet fastening device |
| CN108057831B (en) * | 2016-11-07 | 2020-03-03 | 纽弗雷公司 | Blind rivet fastening device |
| TWI632032B (en) * | 2017-08-17 | 2018-08-11 | 薪螢企業有限公司 | Electric rivet gun head seat structure improvement |
| US11673243B2 (en) | 2018-09-05 | 2023-06-13 | Milwaukee Electric Tool Corporation | Blind rivet nut-setting tool |
| CN110681784A (en) * | 2019-08-22 | 2020-01-14 | 广东万家乐燃气具有限公司 | Gas water heater sectional burner nozzle assembly tool and assembly process |
| CN110681784B (en) * | 2019-08-22 | 2024-05-03 | 广东万家乐燃气具有限公司 | Gas water heater segmented burner nozzle assembly tool and assembly process |
| CN112536755A (en) * | 2020-12-04 | 2021-03-23 | 国网山东省电力公司烟台供电公司 | Power transmission and transformation high-voltage electrified bolt fastener capable of remotely controlling torque force |
| CN112536755B (en) * | 2020-12-04 | 2022-11-22 | 国网山东省电力公司烟台供电公司 | Power transmission and transformation high-voltage electrified bolt fastener capable of setting torsion in remote control manner |
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