CN203830639U - Electric blind-riveting tool gun with protecting mechanism - Google Patents
Electric blind-riveting tool gun with protecting mechanism Download PDFInfo
- Publication number
- CN203830639U CN203830639U CN201420256092.5U CN201420256092U CN203830639U CN 203830639 U CN203830639 U CN 203830639U CN 201420256092 U CN201420256092 U CN 201420256092U CN 203830639 U CN203830639 U CN 203830639U
- Authority
- CN
- China
- Prior art keywords
- riveting tool
- shaft
- gear
- motor
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
-
- 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
Abstract
The utility model discloses an electric blind-riveting tool gun with a protecting mechanism. The electric blind-riveting tool gun comprises a gun case. An end cap, a clamping sleeve, a rivet pulling head, a clamping head pushing rod, a movable pushing rod, a push-pull screw and a transmission shaft are sequentially and coaxially arranged in the gun case. The clamping sleeve is connected with the movable pushing rod in a linkage mode. A motor drive mechanism and the protecting mechanism are arranged in the gun case, wherein the protecting mechanism is used for connecting the motor drive mechanism and the transmission shaft. The protecting mechanism comprises a torsion limiter and a reducing mechanism. The two ends of the reducing mechanism are connected with the transmission shaft and the motor drive mechanism respectively. The electric blind-riveting tool gun has the advantages that the reducing mechanism on the blind-riveting tool gun increases torque while lowering the rotating speed of a motor, the torsion limiter has the effect of effectively preventing the torque from being excessively large and damaging the whole blind-riveting tool gun, the practicality is high, and the service life is long.
Description
Technical field
The utility model relates to electric tool equipment technical field, is specifically related to a kind of electric blind-riveting tool gun with protection mechanism.
Background technology
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.Hand riveter includes hand-operated core pulling hand riveter, Pneumatic core-pulling hand riveter and electric core extracting riveting gun.Conventionally it is manual, on market and in engineering, using core extracting riveting gun.The operation principle of hand-operated core pulling hand riveter is: hand-tightly hold two smalls of the stock by two, two arms firmly to centre with strength, pull a bobbin by lever, two claws are equipped with in bobbin head inside, by the stub end of self-plugging rivet bar, the taper end compression of rivet are supportted greatly, 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 hand riveter is that compressed air is changed into and surged, the riveting work that seesawed of control piston axle.Hand-operated core pulling hand riveter inefficiency, the power consumption of Pneumatic core-pulling hand riveter is large, therefore, the limitation of the hand riveter of tradition vapour-pressure type is more and more obvious, be difficult to meet the demand that modern industry is produced, occurred again on the market electric blind-riveting tool gun, than traditional larger operating efficiency that has for this reason.
The utility model of the electric core extracting riveting gun that for example application number is 20008200354909, although realize the function of rivet, and greatly improve operating efficiency, but rotate by motor driven gear, gear driven guide block and guide rail move, and finally rivet are realized to work, but when Motor torque is excessive or be easy to cause the damage of hand riveter when excessive velocities, production work is caused to trouble, therefore need existing hand riveter to be improved.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of excessive and electric blind-riveting tool gun with protection mechanism of causing hand riveter to damage of moment of torsion of effectively avoiding.
For achieving the above object, the utility model provides following technical scheme: a kind of electric blind-riveting tool gun with protection mechanism, comprise casing, in described casing, be coaxially arranged with successively plug, chuck, rivet pull head, chuck push rod, movable push bar, push-pull screw and power transmission shaft, described chuck and movable push bar are connected, in described casing, be also provided with motor-driven mechanism and protection mechanism for being connected motor-driven mechanism and power transmission shaft, described protection mechanism comprises torque force limiting device and reducing gear, described reducing gear two ends are connection for transmission axle and motor-driven mechanism respectively, on described reducing gear, be arranged with mounting shell, described torque force limiting device comprises the pad being set in successively on power transmission shaft, elastic component and clutch compressing disc, described mounting shell is provided with some loose slots, described loose slot is provided with ball, described clutch compressing disc is conflicted and is connected with ball, when described reducing gear is also provided with some work with respect to clutch compressing disc one end can with the ball needle roller being connected of conflicting.
By adopting technique scheme, be connected with plug on casing top, plug is preferably threaded with casing, make plug be difficult for loosening the disengaging, conflict and be connected with rivet pull head at the plug other end simultaneously, rivet pull head is conflicted and is connected with chuck push rod, chuck push rod is connected with movable push bar, movable push bar is connected with push-pull screw, push-pull screw is connected with power transmission shaft, when motor-driven mechanism drives power transmission shaft successively by reducing gear, push-pull screw, movable push bar, chuck push rod and chuck motion, 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, plug struts rivet pull head, 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 rivet clamping and by its extraction, in casing, be also provided with torque force limiting device, being arranged with mounting shell at reducing gear outer surface is used for fixing reducing gear and makes to be difficult for rocking, mounting shell is provided with some loose slots simultaneously, on loose slot, be provided with the ball that can move freely on loose slot, reducing gear in mounting shell is provided with some balls, on power transmission shaft, be arranged with pad and elastic component, be connected with clutch compressing disc at the elastic component other end, due to the existence of elastic component, make clutch compressing disc conflict and be connected with mounting shell outer surface all the time, conflict and be connected with the ball on mounting shell simultaneously, in the time that electric motor starting mechanism drives reducing gear to rotate, ball interlock on reducing gear, needle roller is conflicted and is connected with ball, make needle roller horizontal level motionless, needle roller extruding ball is pushed toward clutch compressing disc direction, but elastic component pushes clutch compressing disc, make elastic component play to a certain extent the effect that reduces moment of torsion to reducing gear, prevent moment of torsion excessive and damage hand riveter, after needle roller separates with ball, elastic component resets clutch compressing disc, clutch compressing disc resets to ball.
Of the present utility modelly further be set to: described reducing gear comprises epicyclic gearbox, in described epicyclic gearbox, be disposed with output shaft and tooth rest, described output shaft and tooth rest are equipped with gear shaft with respect to motor-driven mechanism one side, described gear shaft is provided with planetary gear, described tooth rest is provided with respect to output shaft one side the sprocket being meshed with planetary gear, and described planetary gear is meshed with epicyclic gearbox.
By adopting technique scheme, epicyclic gearbox is semi-enclosed casing, in epicyclic gearbox, be provided with successively output shaft and tooth rest, three all coaxially arranges, on output shaft and tooth rest, be equipped with gear shaft simultaneously, on gear shaft, be all arranged with planetary gear, tooth rest is provided with sprocket with respect to output shaft one end simultaneously, sprocket on tooth rest is meshed with output shaft upper planetary gear, planetary gear on output shaft and tooth rest is all meshed with epicyclic gearbox simultaneously, 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, torque transmission shaft is increased.
Of the present utility modelly further be set to: described epicyclic gearbox is provided with the installing hole wearing for power transmission shaft with respect to output shaft one end, described installing hole is provided with bearing, described power transmission shaft is provided with projection, and described output shaft is provided with the fixing hole suitable with projection.
By adopting technique scheme, on epicyclic gearbox, be provided with installing hole, power transmission shaft can wear installing hole and be connected with output shaft, it is more firm that the bearing being provided with on installing hole is fixed on output shaft power transmission shaft to connect, and reduced frictional force simultaneously, power transmission shaft rotated more smooth, on power transmission shaft, be provided with projection and fixing hole clamping, power transmission shaft can not be skidded, and both connections are more firm, and transmission ratio is high.
Of the present utility modelly further be set to: described tooth rest quantity is two, is distributed with three rooted tooth wheel shafts on described tooth rest and output shaft.
By adopting technique scheme, preferably the quantity of tooth rest is two, and three rooted tooth wheel shafts on each tooth rest and output shaft, are uniformly distributed circumferentially, on every rooted tooth wheel shaft, be all arranged with a planetary gear, by the transmission step by step of two pinion frames and output shaft, strengthen to greatest extent moment of torsion, ensure carrying out smoothly of rivet installment work.
Of the present utility modelly further be set to: described motor-driven mechanism includes the rotating shaft with planetary gear interlock, in described rotating shaft, is arranged with fan blade described fan blade and rotating shaft interlock rotation.
By adopting technique scheme, motor-driven mechanism is by rotating shaft and the meshing interlock of planetary gear, power is passed on reducing gear, sheathed fan blade in rotating shaft, make motor-driven mechanism drive fan blade work in output transmission, heat-sinking capability while effectively having improved equipment operation, has extended service life.
The utlity model has following advantage: the reducing gear on hand riveter has increased moment of torsion when motor speed is reduced, simultaneously torque force limiting device has effectively prevented that moment of torsion is excessive and has destroyed the effect of whole hand riveter, and practicality is high, long service life.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model with the electric blind-riveting tool gun of protection mechanism;
Fig. 2 is the structural representation of the utility model protection mechanism;
Fig. 3 is the partial structurtes schematic diagram of the utility model with the electric blind-riveting tool gun of protection mechanism;
Fig. 4 is the partial structurtes schematic diagram of the utility model reducing gear.
In figure: 1, casing; 2, plug; 3, rivet pull head; 4, chuck push rod; 5, movable push bar; 6, push-pull screw; 7, power transmission shaft; 8, chuck; 9, motor-driven mechanism; 10, protection mechanism; 11, torque force limiting device; 12, reducing gear; 13, mounting shell; 14, pad; 15, elastic component; 16, clutch compressing disc; 17, loose slot; 18, ball; 19, needle roller; 20, epicyclic gearbox; 21, output shaft; 22, tooth rest; 23, gear shaft; 24, planetary gear; 25, installing hole; 26, bearing; 27, projection; 28, fixing hole; 29, rotating shaft; 30, fan blade; 31, sprocket.
Detailed description of the invention
Shown in Fig. 4, a kind of electric blind-riveting tool gun with protection mechanism of the present embodiment, comprise casing 1, in described casing 1, be coaxially arranged with successively plug 2, chuck 8, rivet pull head 3, chuck push rod 4, movable push bar 5, push-pull screw 6 and power transmission shaft 7, described chuck 8 is connected with movable push bar 5, in described casing 1, be also provided with motor-driven mechanism 9 and protection mechanism 10 for being connected motor-driven mechanism 9 and power transmission shaft 7, described protection mechanism 10 comprises torque force limiting device 11 and reducing gear 12, described reducing gear 12 two ends connection for transmission axle 7 and motor-driven mechanism 9 respectively, on described reducing gear 12, be arranged with mounting shell 13, described torque force limiting device 11 comprises the pad 14 being set in successively on power transmission shaft 7, elastic component 15 and clutch compressing disc 16, described mounting shell 13 is provided with some loose slots 17, described loose slot 17 is provided with ball 18, described clutch compressing disc 16 is conflicted and is connected with ball 18, when described reducing gear 12 is also provided with some work with respect to clutch compressing disc 16 one end can with ball 18 needle roller 19 being connected of conflicting, described reducing gear 12 comprises epicyclic gearbox 20, in described epicyclic gearbox 20, be disposed with output shaft 21 and two tooth rests 22, described output shaft 21 and tooth rest 22 are equipped with three gear shafts 23 with respect to motor-driven mechanism 9 one sides, described gear shaft 23 is provided with planetary gear 24, described tooth rest 22 is provided with the sprocket 31 being meshed with planetary gear 24 with respect to output shaft 21 1 sides, described planetary gear 24 is meshed with epicyclic gearbox 20, described epicyclic gearbox 20 is provided with the installing hole 25 wearing for power transmission shaft 7 with respect to output shaft 21 one end, described installing hole 25 is provided with bearing 26, described power transmission shaft 7 is provided with projection 27, described output shaft 21 is provided with the fixing hole 28 suitable with projection 27, described motor-driven mechanism 9 includes the rotating shaft 29 linking with planetary gear 24, in described rotating shaft 29, be arranged with fan blade 30, described fan blade 30 rotates with rotating shaft 29 interlocks.
In the time of motor-driven mechanism 9 forward, spacing between push-pull screw 6 and pull bar cover reduces, pull bar cover pushes to chuck push rod 4 rivet pull head 3 places and pushes rivet pull head 3, plug 2 struts rivet pull head 3, now self-plugging rivet can stretch in rifle head shell from plug 2, now motor-driven mechanism 9 is reversed, and the spacing between push-pull screw 6 and pull bar cover increases, and rivet pull head 3 is by rivet clamping and by its extraction.
Epicyclic gearbox 20 is semi-enclosed casing, in epicyclic gearbox 20, be provided with successively output shaft 21 and tooth rest 22, three all coaxially arranges, on output shaft 21 and tooth rest 22, be equipped with gear shaft 23 simultaneously, on gear shaft 23, be all arranged with planetary gear 24, tooth rest 22 is provided with sprocket 31 with respect to output shaft 21 one end simultaneously, sprocket 31 on tooth rest 22 is meshed with output shaft 21 upper planetary gears 24, planetary gear 24 on output shaft 21 and tooth rest 22 is all meshed with epicyclic gearbox 20 simultaneously, drive planetary gear 24 by motor-driven mechanism 9 interlocks, planetary gear 24 can rotate around gear shaft 23, some planetary gears 24 revolve round the sun around 24 of planetary gears in rotation, linkage drives 24 of planetary gears, the travelling gear of 24 its opposite sides of interlock drive in revolving round the sun of planetary gear rotates, travelling gear can drive again next planetary gear 24 and 24 rotations of planetary gear, and power is passed on output shaft 21 the most at last, thereby reduce the rotating speed of motor, increase moment of torsion, power transmission shaft 7 moments of torsion are increased, preferably the quantity of tooth rest 22 is two, and three rooted tooth wheel shafts 23 on each tooth rest 22 and output shaft 21, are uniformly distributed circumferentially, on every rooted tooth wheel shaft 23, be all arranged with a planetary gear 24, by the transmission step by step of 24 of two planetary gears and output shaft 21, strengthen to greatest extent moment of torsion, ensure carrying out smoothly of rivet installment work.
In casing 1, be also provided with torque force limiting device 11, being arranged with mounting shell 13 at reducing gear 12 outer surfaces is used for fixing reducing gear 12 and makes to be difficult for rocking, mounting shell 13 is provided with some loose slots 17 simultaneously, on loose slot 17, be provided with the ball 18 that can move freely on loose slot 17, reducing gear 12 in mounting shell 13 is provided with some balls 18, on power transmission shaft 7, be arranged with pad 14 and elastic component 15, be connected with clutch compressing disc 16 at elastic component 15 other ends, due to the existence of elastic component 15, make clutch compressing disc 16 conflict and be connected with mounting shell 13 outer surfaces all the time, conflict and be connected with the ball 18 on mounting shell 13 simultaneously, in the time that electric motor starting mechanism drives reducing gear 12 to rotate, ball 18 on reducing gear 12 links, needle roller 19 is conflicted and is connected with ball 18, make needle roller 19 horizontal levels motionless, make needle roller 19 push ball 18 toward clutch compressing disc 16 direction extruding, but elastic component 15 pushes clutch compressing disc 16, make elastic component 15 play to a certain extent the effect that reduces moment of torsion to reducing gear 12, prevent moment of torsion excessive and damage hand riveter, after needle roller 19 separates with ball 18, elastic component 15 resets clutch compressing disc 16, clutch compressing disc 16 resets to ball 18.
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 (5)
1. the electric blind-riveting tool gun with protection mechanism, comprise casing, it is characterized in that: in described casing, be coaxially arranged with successively plug, chuck, rivet pull head, chuck push rod, movable push bar, push-pull screw and power transmission shaft, described chuck and movable push bar are connected, in described casing, be also provided with motor-driven mechanism and protection mechanism for being connected motor-driven mechanism and power transmission shaft, described protection mechanism comprises torque force limiting device and reducing gear, described reducing gear two ends are connection for transmission axle and motor-driven mechanism respectively, on described reducing gear, be arranged with mounting shell, described torque force limiting device comprises the pad being set in successively on power transmission shaft, elastic component and clutch compressing disc, described mounting shell is provided with some loose slots, described loose slot is provided with ball, described clutch compressing disc is conflicted and is connected with ball, when described reducing gear is also provided with some work with respect to clutch compressing disc one end can with the ball needle roller being connected of conflicting.
2. the electric blind-riveting tool gun with protection 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 tooth rest; described output shaft and tooth rest are equipped with gear shaft with respect to motor-driven mechanism one side; described gear shaft is provided with planetary gear; described tooth rest is provided with respect to output shaft one side the sprocket being meshed with planetary gear, and described planetary gear is meshed with epicyclic gearbox.
3. the electric blind-riveting tool gun with protection mechanism according to claim 2; it is characterized in that: described epicyclic gearbox is provided with the installing hole wearing for power transmission shaft with respect to output shaft one end; described installing hole is provided with bearing; described power transmission shaft is provided with projection, and described output shaft is provided with the fixing hole suitable with projection.
4. the electric blind-riveting tool gun with protection mechanism according to claim 3, is characterized in that: described tooth rest quantity is two, is distributed with three rooted tooth wheel shafts on described tooth rest and output shaft.
5. the electric blind-riveting tool gun with protection mechanism according to claim 1, is characterized in that: described motor-driven mechanism includes the rotating shaft with planetary gear interlock, in described rotating shaft, is arranged with fan blade, and described fan blade and rotating shaft interlock are rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256092.5U CN203830639U (en) | 2014-05-19 | 2014-05-19 | Electric blind-riveting tool gun with protecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420256092.5U CN203830639U (en) | 2014-05-19 | 2014-05-19 | Electric blind-riveting tool gun with protecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203830639U true CN203830639U (en) | 2014-09-17 |
Family
ID=51508530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420256092.5U Expired - Fee Related CN203830639U (en) | 2014-05-19 | 2014-05-19 | Electric blind-riveting tool gun with protecting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203830639U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108057831A (en) * | 2016-11-07 | 2018-05-22 | 纽弗雷公司 | Blind rivet fastening device |
| CN108687298A (en) * | 2018-05-11 | 2018-10-23 | 上海友升铝业有限公司 | A kind of electric blind-riveting tool gun that can be detected automatically applied to batteries of electric automobile pallet |
| CN110947894A (en) * | 2019-12-04 | 2020-04-03 | 航天精工股份有限公司 | Adjustable pretightning force mechanical locking type self-plugging rivet mounting tool |
-
2014
- 2014-05-19 CN CN201420256092.5U patent/CN203830639U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN108687298A (en) * | 2018-05-11 | 2018-10-23 | 上海友升铝业有限公司 | A kind of electric blind-riveting tool gun that can be detected automatically applied to batteries of electric automobile pallet |
| CN110947894A (en) * | 2019-12-04 | 2020-04-03 | 航天精工股份有限公司 | Adjustable pretightning force mechanical locking type self-plugging rivet mounting tool |
| CN110947894B (en) * | 2019-12-04 | 2021-08-03 | 航天精工股份有限公司 | Adjustable pretightning force mechanical locking type self-plugging rivet mounting tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160519 |