CN105710814B

CN105710814B - A kind of riveting nut electric gun

Info

Publication number: CN105710814B
Application number: CN201410730469.0A
Authority: CN
Inventors: 洪劲松
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-12-05
Filing date: 2014-12-05
Publication date: 2017-11-24
Anticipated expiration: 2034-12-05
Also published as: WO2016086844A1; EP3228421A1; CN105710814A; EP3228421A4

Abstract

The present invention relates to a kind of riveting nut electric gun, for field of mechanical technique, including enclosing cover, trigger, wiring board, power motor component, staking system, screw rod transmission system, clutch control system and planetary gear reduction system；Outer cover is provided with wiring board, trigger and stroke fixed plate and stroke adjustment plate, and wiring board is connected by control line with motor and Stroke Control plate；Stroke Control plate is provided at both ends with inductor, and stroke fixed plate and stroke adjustment plate are controlled by stroke adjustment nut component；Magnet is provided with wheel positioning block；Inductor is located at below magnet；Power motor component, planetary gear reduction system, screw rod transmission system and the center line of staking system and riveting direction are on the same axis.The electric gun powerful, can indoor and outdoor operation, hand-held use meet base of principle of human engineering, and maximum uses tool space, can be to the progress staking of different size riveting nut, and clutch control system is more reliable, and staking system is more stable, strong applicability.

Description

A kind of riveting nut electric gun

Technical field

The invention belongs to field of mechanical technique, more particularly to a kind of riveting nut electric gun.

Background technology

Nut riveting tool, the installation tool of riveting nut, including pneumatic nut riveting rifle and electronic Nut riveter are used exclusively for, Pneumatic nut riveting instrument has quickly, and pulling force can be accomplished the advantages of big, but its rotation loads, screwed out the rotation of the air motor of riveting nut Rotating vane piece, which has, frequently to be used or slightly under the working environment of dust, can happen suddenly it is stuck do not work, very big motor be present and crash Hidden danger, and air motor causes torsion small due to the limitation of volume, although riveting pulling force can accomplish larger, volume The defects of increasing therewith, and can not be used in the situation of outdoor no source of the gas；Current electronic Nut riveter has two ways riveting Connect, for one kind to fully rely on rotary riveting, this riveting method easily damages riveting nut.More common another kind is to rotate riveting nut Vertical staking after in place, electronic riveting nut screws in, back-out riveting nut mechanism will not crash, thus application is very extensive, but due to It has following limitation to electronic Nut riveter, and very big inconvenience is brought to operator, its using purely mechanic device have limitation control from Close, and needs adjust multiple helicitic texture parts to ensure to rivet reliability simultaneously, do not weigh the foundation of regulation.

It is more and more extensive with the use of nut riveting tool, in order to improve the efficiency of riveting nut and quality, through retrieving U.S. A patent document of state, its disclosure/notification number are US056050704, although being improved nut riveting tool, still Some defects so be present, major defect details embodies as follows：

1st, because its mechanical clutch stroke can not regulate and control, clutch requirement is can be only achieved to fixed position, idle stroke is big, Time and power consumption is caused to waste, low production efficiency.

2nd, ensure revolving force size by mechanical torsion spring torsion, riveting nut load and release to screw power small, run into abnormal rotation Riveting nut is not opened, and torsion spring, frequently in use, due to can be rubbed and hit repeatedly with other related organization's parts, torsion spring is easy to It is hot, cause torsion spring torsion to become unstable with the change of temperature, cause riveting nut have in loading procedure damage or Revolve hidden danger not in place.

3rd, normal operating is extremely cumbersome ensures screw-in length and rivets length, it is necessary to adjust multiple helicitic texture parts simultaneously, These helicitic texture parts both need to ensure adjustment stroke needs, need to meet staking intensity needs again, relatively reliable due to needing Riveting, screw thread need to tighten（Screw thread twist it is not tight be then easy to loosen change stroke is produced change and draw bad screw thread）, often spiral shell The stroke that line is adjusted after tightening changes again, layman, and unskilled personage is difficult smooth operation, and riveting is used in small lot Often adjustment time is longer than usage time during nut.

4th, complicated, part is more, and numerous parts are quick-wear part, and is not easy to change, and easily breaks down, and the life-span is low.

5th, due to feed screw nut's assembly and the axis where nut is screwed, Gear axis and motor center's axis are mutually flat OK, each system can not all parameters of independent design according to demand, be embodied in:

（1）Motor engaging tooth with motor gear engagement can not be made very big, it is impossible to more than feed screw nut's assembly and screw spiral shell Axis where female, interference is otherwise produced, therefore the number of teeth of gear and modulus are very limited, and it is minimum can only to be confined to some In the range of；

（2）Motor is not being interfered and not engaged as far as possible with motor engaging tooth in the case of wasting space, therefore motor Size is restricted, and rotating speed, the power of motor are huge with its magnitude relationship, and the too small torsion of motor, power will diminish, and motor is done Greatly, with the increasing of power, motor drive shaft will also be done greatly therewith, and motor gear will also be done greatly, otherwise can not be engaged, and motor gear is done greatly Speed reducing ratio is affected again afterwards.It is difficult thus the motor of unrestricted choice proper fit in this design；

（3）Feed screw nut's part is that reprocessing has gear, technique and its complexity outside nut, it is desirable to high, critical defect It is that space potential must waste, and design of gears is too small, can not meet meshing condition if the design of gears of feed screw nut is excessive；To sum up Described, in the design, the rotating speed of motor, the speed reducing ratio of reduction gearing, the size of screw mandrel can not accomplish most the instrument according to demand Reasonable design, often low load with strong power and speed are slow, or high load with small power draws motionless, current electronic nut riveting tool The strong big specification riveting nut of riveting dynamics can't be broken；

（4）The cooperation of motor sub-assembly, gear, screw component requires high, it is necessary to also while parallel between ensureing three Ensure three axis at grade, the depth of parallelism and flatness slightly deviation just influence engagement and required, so as to cause instrument to be made an uproar Sound is big.

6th, in appearance design, each accessory arrangement is limited to parallel arrangement, such as motor must be placed in screw mandrel direction In parallel direction, space use is extremely restricted, and causes much room to waste, and tool profile is too fat to move, and hand-held center of gravity can not expire The needs of sufficient body mechanics, hand-held tiger's jaw of shaking hands is without good impetus, and using fatiguability, existence conditions is difficult that change is this not The organization distribution of hommization.

The content of the invention

In order to solve the above technical problems, it is an object of the present invention to provide a kind of a outstanding riveting nut electric gun, this is electronic Rifle motor drive shaft, planetary gear reduction system sun gear on design a hollow via, and power motor component, planet Gear reduction system, screw rod transmission system, staking system are on the same axis.Instrument is hand-held in use, design meets human body Engineering principles, various pieces connection is simple, and reliably, simple adjustment can be done according to the difference of rivet can separate more money works Tool, it is embodied in and draws the small rivet of pulling force to change design and adjust speed to accelerate, running into the big rivet of broken nail power can change Design increases pulling force, reduces speed, and these designs only need simply to change motor, planetary gear reduction system or ball screw (speed can be changed by changing the pitch size of ball screw), a kind of structure can differentiate the instrument of more money different parameters, User is according to the instrument for needing oneself to require using best suiting of oneself.

The solution of the present invention is as follows：

A kind of riveting nut electric gun, including enclosing cover, trigger, wiring board, power motor component, staking system, screw rod transmission System, clutch control system and planetary gear reduction system；

The power motor component includes motor and motor drive shaft, and the motor drive shaft is arranged to hollow structure, motor shaft front end It is provided with motor gear；

The screw rod transmission system include wheel positioning block, ball screw, feed screw nut, front-end bearing pedestal, rear bearing block and Connecting shaft, the ball screw are hollow structure, and front end is fixed by wheel positioning block, and rear end connects with feed screw nut, screw mandrel spiral shell Mother is arranged in front-end bearing pedestal；The rear bearing block connects with front-end bearing pedestal, and connecting shaft is consolidated through rear bearing block and feed screw nut It is fixed；Wheel positioning block is arranged on front-end bearing pedestal；

The planetary gear reduction system includes rear Planetary gear seat, pre-planetary gear seat, sun gear I, sun gear II, OK Star gear and internal gear, sun gear I and sun gear II are arranged to hollow structure, and three planetary gears are provided with sun gear II II and little gear, three planetary gear II and motor gear engagement simultaneously and internal gear engage, internal gear is limited be mounted in before In Planetary gear seat, three planetary gears I, three planetary gear I and little gear engagement are provided with sun gear I；Planet tooth afterwards Wheel seat and pre-planetary gear seat link together；

The staking system includes pull bar, pipette tips, adjusting nut, outer sleeve, pull-rod nut, screw mandrel locking nut, hexagonal Connecting rod, connecting rod fixed circlip and outer sleeve nut, the outer sleeve are locked at front-end bearing pedestal by the connection of outer sleeve nut On, overcoat tube rear end is internally provided with pull-rod nut, and pull-rod nut is internally provided with screw mandrel locking nut；Outer sleeve front end is set There are pull bar and pipette tips, pipette tips rear end is threaded, and adjusting nut connects with the threaded portion of pipette tips rear end, and pull bar connects with hexagonal Extension bar connects；The connecting rod fixed circlip is enclosed in hexagonal connecting rod, positioned at ball screw front end and screw mandrel locking nut it Between；

The clutch control system includes electromagnet, thrust terminal, back-moving spring and clutch connection axle, the clutch connection The hexagon ring of axle one end is connected with hexagonal connecting rod hexagonal, and center section is hexagonal configuration, the hexagonal with hollow sun gear II Hole is engaged, and is remained and is connected with hexagonal connecting rod close to the front end of hexagonal connecting rod, thrust terminal is arranged on clutch connection axle Rear end, one end of back-moving spring are arranged on motor tail end, and the other end is arranged on thrust terminal end face, and electromagnet passes through wiring board journey Sequence control clutch connection axle is movable to be separated and engages with sun gear II, sun gear II hexagonal endoporus and clutch connection axle When hexagonal part is engaged, hexagonal connecting rod and pull bar can be driven to rotate, electromagnet can promote clutch connection axle to make sun gear II The hexagonal of hexagonal endoporus and clutch connection axle be partially separated, pull bar is stopped the rotation；

Outer cover is provided with wiring board, trigger and stroke fixed plate and stroke adjustment plate, wiring board pass through control line respectively It is connected with motor and Stroke Control plate；Stroke Control plate is provided at both ends with inductor, and stroke fixed plate and stroke adjustment plate pass through Stroke adjustment nut component controls the regulation of staking stroke；Magnet is provided with the wheel positioning block；Inductor is located at magnet Lower section；

Center line and the riveting of the power motor component, planetary gear reduction system, screw rod transmission system and staking system It is on the same axis to connect direction.

Outer cover is provided with transparency window, and transparency window is located at the outside of stroke adjustment plate, and stroke is provided with transparency window The scale of regulation.

The feed screw nut front end is provided with dust ring, and dust ring is fixed in front-end bearing pedestal.

This riveting nut electric tool has the following advantages that and beneficial effect：

(1) used substantially unrestricted in size and rotating speed with this new technology of the motor of hollow motor drive shaft, motor System, motor size can change adjustment according to demand, and motor and clutch connection axle mating reaction are more preferable.

(2) planetary gear reduction system has been used, planetary gear reduction system has small volume, in light weight, bearing capacity Height, service life length, smooth running, noise is low, and output torque is big, and transmission efficiency (because area of contact is big, moment of torsion Greatly, transmission efficiency), the advantages that performance safety.The above all cooperation of sun gear hollow structure and clutch connection axle, fully Reasonably utilize all spaces.The design of the speed reducing ratio of planetary gear reduction system has obtained complete liberation, completely can basis Demand Design speed reducing ratio size.

(3) structure of feed screw nut becomes simple, and nut does not increase the constraint that gear merges, and technique becomes Simply, and according to pulling force size it is designed, feed screw nut's diameter and length change with the change of riveting intensity, and riveting is strong Degree it is big with diameter it is big, pitch it is relatively small, the feed screw nut of screwing length length, such electric gun volume is a little big, staking Speed slows down；Riveting intensity is small then with diameter is less, pitch is larger, the short feed screw nut of screwing length, such electric gun Volume is a little bit smaller, and staking speed is accelerated；In summary described, the tool system is reasonably divided the work, such as aluminum The small riveting nut of riveting dynamics, the quick motor that power is small, the small planetary gear reduction system of speed reducing ratio, volume can be selected The somewhat big screw rod transmission system of fine pitch, make the nut riveting tool of quick small dimension pulling force；Vice versa to select to do Into the riveting nut electric gun of big pulling force.The structure is due to power motor component, planetary gear reduction system, screw rod transmission system and Staking direction is in alignment, can not excessively be limited during adjustment, can change these three parts can meet demand, make horse Reach, planetary gear reduction system, screw rod transmission system accomplishes reasonably to balance very much matching, accomplishes small horse traction dolly while draws fast Car, big horse traction cart, moreover it is possible to rivet big specification riveting nut.

(4) another big benefit brought with said structure is power motor component, planetary gear reduction system, and screw mandrel passes Dynamic system and staking direction are in alignment, make instrument more compact, attractive in appearance, space is fully used, and hand-held center of gravity can be done To the requirement for meeting ergonomics；And power motor component, clutch connection axle, planetary gear reduction system, screw rod transmission Coordinate simply between system, slightly having deviation even if axiality will not also cause noise too big, and coordinate between four very simple Single, clutch for clutch control is very simple, reliable；And noise during use is far smaller than the mesh sound of general tool gear.

(5) mechanism can use the mature planetary gear reduction system for realizing two grades of speed governing, basis during use Need direct gear shift meet demand.

This is a easy to carry, and both quick and powerful with pneumatic tool, and can easily conducts a field operation, and does To parameter needed for offer according to demand, the parameter configuration of electronic nut riveting tool is accomplished into most reasonable, most hommization, greatly Labour has been liberated, has improved operating efficiency.

Brief description of the drawings

Fig. 1 is a kind of riveting nut electric gun structural representation of the present invention；

Fig. 2 is a kind of riveting nut electric gun partial structural diagram of the present invention；

Fig. 3 is power motor component structure diagram of the present invention；

Fig. 4 is planetary gear reduction system explosive view of the present invention；

Fig. 5 is planetary gear reduction system assembling schematic diagram of the present invention；

Fig. 6 is planetary gear reduction system partial exploded view of the present invention；

Fig. 7 is clutch connection axle construction schematic diagram of the present invention；

Fig. 8 is travel control system indicating section schematic diagram of the present invention；

Fig. 9 is present invention band gear shift structural representation；

Wherein：1st, pull bar；2nd, pipette tips；3rd, adjusting nut；4th, outer sleeve；5th, pull-rod nut；6th, screw mandrel locking nut；7、 Connecting rod fixed circlip；8th, hexagonal connecting rod；9th, outer sleeve nut；10th, wheel positioning block；11st, magnet；12nd, ball screw； 13rd, front-end bearing pedestal；14th, feed screw nut；15th, steady pin；16th, connecting shaft；17th, rear bearing block；18th, sun gear I；19th, preceding planet Pinion stand；20th, internal gear；21st, sun gear II；22nd, planetary gear；23rd, rear Planetary gear seat；24th, motor；25th, motor drive shaft； 26th, clutch connection axle；27th, back-moving spring；28th, thrust terminal；29th, electromagnet；30th, stroke fixed plate；31st, stroke adjustment plate； 32nd, stroke adjustment nut component；33rd, scale；34th, transparency window；35th, trigger；36th, wiring board；37th, enclosing cover；38th, gear shift fork； 39th, gear shift switchs；40th, motor gear；41st, little gear；42nd, dust ring；43rd, Stroke Control plate；44th, inductor；221st, OK Star gear I；222nd, planetary gear II.

Embodiment

The present invention will be further described below in conjunction with the accompanying drawings；

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, a kind of riveting nut electric gun, including enclosing cover 37, pull Machine 35, wiring board 36, power motor component, staking system, screw rod transmission system, clutch control system and planetary gear speed-reduction system System.

The power motor component includes motor 24 and motor drive shaft 25, and the motor drive shaft 25 is arranged to hollow structure, motor The front end of axle 25 is provided with motor gear 40；Power motor component can realize rotating dismounting riveting nut and blind nut.

The screw rod transmission system include wheel positioning block 10, ball screw 12, feed screw nut 14, front-end bearing pedestal 13, after Bearing block 17 and connecting shaft 16, the ball screw 12 are hollow structure, and front end is fixed by wheel positioning block 10, rear end and screw mandrel Nut 14 connects, and feed screw nut 14 uses common feed screw nut, compared with the feed screw nut merged with increase gear, The processing technology of feed screw nut 14 of the present invention becomes simple, and the diameter of feed screw nut can be designed according to pulling force size And length, feed screw nut 14 are arranged in front-end bearing pedestal 13；The rear bearing block 17 and front-end bearing pedestal 13 are connected, and connecting shaft 16 is worn Rear bearing carrier 17 is fixed by steady pin 15 and feed screw nut 14；Wheel positioning block 10 is arranged on front-end bearing pedestal 13.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 9, the planetary gear reduction system includes rear planet Pinion stand 23, pre-planetary gear seat 19, sun gear I18, sun gear II21, planetary gear 22 and internal gear 20, sun gear I18 and Sun gear II21 is arranged to hollow structure, and three planetary gear II222 and a little gear 41 are provided with sun gear II21, Three planetary gear II222 and the engagement of motor gear 40 are engaged with internal gear 20 simultaneously, and internal gear 20 is limited mounted in preceding planet tooth In wheel seat 19, three planetary gear I221 are provided with sun gear I18, three planetary gear I221 and little gear 41 engage；Afterwards Planetary gear seat 23 and pre-planetary gear seat 19 are linked together, and shift shift fork 38, shift shift fork can be set on enclosing cover 37 38 connect with the internal gear 20 for being provided with neck, control shift shift fork 38 to change internal gear by gear shift switch 39 Gear, is designed during use, better adaptability as needed, and applicability is stronger；Sun gear II21 hollow structures are special-shaped hexagon ring knot Structure, the dismounting for realizing riveting nut is engaged with clutch connection axle 26.

The staking system includes pull bar 1, pipette tips 2, adjusting nut 3, outer sleeve 4, pull-rod nut 5, screw mandrel locking nut 6th, hexagonal connecting rod 8, connecting rod fixed circlip 7 and outer sleeve nut 9, the outer sleeve 4 are connected by outer sleeve nut 9 and locked On front-end bearing pedestal 13, the rear end of outer sleeve 4 is internally provided with pull-rod nut 5, and pull-rod nut 5 is internally provided with screw mandrel locking nut 6；The front end of outer sleeve 4 is provided with pull bar 1 and pipette tips 2, and the rear end of pipette tips 2 is threaded, the spiral shell of adjusting nut 3 and the rear end of pipette tips 2 Line part is connected, and pull bar 1 is connected with hexagonal connecting rod 8；The connecting rod fixed circlip 7 is enclosed in hexagonal connecting rod 8, positioned at rolling Between the front end of ballscrew 12 and screw mandrel locking nut 6, adjusting nut 3 screws when pipette tips 2 adjust suitable and is locked at outer sleeve 4 End face on, play a part of fixed pipette tips 2 and protection screw thread, because in the case where not locking, because threaded engagement is present Gap can make screw thread offset and pull.

The clutch control system includes electromagnet 29, thrust terminal 28, back-moving spring 27 and clutch connection axle 26, described The hexagon ring of the one end of clutch connection axle 26 is connected with the hexagonal of hexagonal connecting rod 8, and center section is hexagonal configuration, with the hollow sun II21 hexagon ring engagement is taken turns, the thrust terminal 28 being connected by the push-and-pull drive of electromagnet 29 with the other end of clutch connection axle 26 reaches Separate and engage to the hexagon ring with hollow sun gear II21, the front end of close hexagonal connecting rod 8 and hexagonal connecting rod 8 are all the time Connection is kept, thrust terminal 28 is arranged on the rear end of clutch connection axle 26, and one end of back-moving spring 27 is arranged on the tail end of motor 24, separately One end is arranged on the end face of thrust terminal 28, and electromagnet 29 is moved forward and backward by wiring board programme-control clutch connection axle 26 and the sun II21 separation and engagement are taken turns, when sun gear II21 hexagonal endoporus engages with the hexagonal part of clutch connection axle 26, can be driven Hexagonal connecting rod 8 and pull bar 1 rotate, and electromagnet 29 can promote hexagonal endoporus and the clutch that clutch connection axle 26 makes sun gear II21 The hexagonal of connecting shaft 26 is partially separated, and pull bar 1 is stopped the rotation, and clutch control system part is less, avoid individually machinery from The unstability of conjunction, and there is more preferable stability and reliability.

Wiring board 36, trigger 35 and stroke fixed plate 30 and stroke adjustment plate 31 are provided with enclosing cover 37, wiring board 36 divides It is not connected by control line with motor 24 and Stroke Control plate 43；Wiring board 36 sets current overload protector；Stroke Control Plate 43 is provided at both ends with inductor 44, stroke fixed plate 30 and stroke adjustment plate 31 and controls tune by stroke adjustment nut component 32 Section；Magnet 11 is provided with the wheel positioning block 10；Inductor 44 is located at the lower section of magnet 11.

Center line and the riveting of the power motor component, planetary gear reduction system, screw rod transmission system and staking system Connect direction be on the same axis, global design plus clutch connection axle 26 make the electric gun operation it is easier, noise can be big It is big to reduce, and it is effectively saved the space of electric gun.

As shown in figure 8, being provided with transparency window 34 on the enclosing cover 37, transparency window 34 is located at the outside of stroke adjustment plate 31, The scale 33 of stroke adjustment is provided with transparency window 34, the subtlety of stroke adjustment is can be clearly seen that, makes Stroke Control It is more accurate.

As shown in figure 1, the front end of feed screw nut 6 is provided with dust ring 42, dust ring 42 is fixed in front-end bearing pedestal 13, Blocking caused by scrap and dust when can effectively prevent riveting nut, strengthen the service life of electric gun.

Above-mentioned this overall construction design, each component arranging is reasonable, the design on same axis, avoid space use by To limitation and waste, utilize the space of the electric gun, the setting of adjusting nut becomes the regulation of nut screw-in stroke Intuitively, simply, clutch connection shaft design make power motor component and planetary gear reduction system, screw rod transmission system from It is more simple, reliable to close control, tool profile is succinct, can allow user hand-held in use, complying fully with ergonomics original Reason, laborsaving using simple, easily operated, various pieces connection is simple, reliably, and the electric gun powerful, can it is indoor, Outdoor work, staking can be carried out to different size rivet, clutch control system is more reliable, and staking system is more stable, applicability By force.

Although giving detailed description and explanation to the embodiment of the present invention above, it should be noted that We can carry out various equivalent changes and modification to above-mentioned embodiment according to the conception of the present invention, and its caused function is made , all should be within protection scope of the present invention during with the spirit still covered without departing from specification.

Claims

1. a kind of riveting nut electric gun, including power motor component, staking system, screw rod transmission system, clutch control system and Planetary gear reduction system；It is characterized in that：

The power motor component includes motor and motor drive shaft, and the motor drive shaft is arranged to hollow structure, and motor shaft front end is set There is motor gear；

The clutch control system includes electromagnet, thrust terminal, back-moving spring and clutch connection axle；

The power motor component, planetary gear reduction system, screw rod transmission system, clutch connection axle, the center of staking system Line is on the same axis with riveting direction；

The screw rod transmission system includes wheel positioning block, ball screw, feed screw nut, front-end bearing pedestal, rear bearing block and connection Axle, the ball screw are hollow structure, and front end is fixed by wheel positioning block, and rear end connects with feed screw nut, and feed screw nut sets Put in front-end bearing pedestal；The rear bearing block is connected with front-end bearing pedestal, and connecting shaft is fixed through rear bearing block and feed screw nut；Rolling Wheel locating piece is arranged on front-end bearing pedestal.

A kind of 2. riveting nut electric gun according to claim 1, it is characterised in that：The planetary gear reduction system includes Planetary gear seat, pre-planetary gear seat, sun gear I, sun gear II, planetary gear I, planetary gear II and internal gear afterwards, the sun Wheel I and sun gear II is arranged to hollow structure, and three planetary gear II and a little gear, three rows are provided with sun gear II Star gear II and motor gear engagement are engaged with internal gear simultaneously, and internal gear is limited in pre-planetary gear seat, on sun gear I It is provided with three planetary gears I, three planetary gear I and little gear engagement；Planetary gear seat connects with pre-planetary gear seat afterwards Together.

A kind of 3. riveting nut electric gun according to claim 2, it is characterised in that：The staking system includes pull bar, rifle Head, adjusting nut, outer sleeve, pull-rod nut, screw mandrel locking nut, hexagonal connecting rod, connecting rod fixed circlip and outer sleeve spiral shell Mother, the outer sleeve are locked on front-end bearing pedestal by the connection of outer sleeve nut, and overcoat tube rear end is internally provided with pull-rod nut, Pull-rod nut is internally provided with screw mandrel locking nut；Outer sleeve front end is provided with pull bar and pipette tips, and pipette tips rear end is threaded, Adjusting nut is connected with the threaded portion of pipette tips rear end, and pull bar is connected with hexagonal connecting rod；The connecting rod fixed circlip is enclosed on In hexagonal connecting rod, between ball screw front end and screw mandrel locking nut.

A kind of 4. riveting nut electric gun according to claim 3, it is characterised in that：The hexagonal of described clutch connection axle one end Hole is connected with hexagonal connecting rod hexagonal, and center section is hexagonal configuration, is engaged with hollow sun gear II hexagonal endoporus, close The front end of hexagonal connecting rod remains with hexagonal connecting rod to be connected, and thrust terminal is arranged on clutch connection shaft rear end, resets bullet One end of spring is arranged on motor tail end, and the other end is arranged on thrust terminal end face, and electromagnet passes through wiring board programme-control clutch Connecting shaft is movable to be separated and engages with sun gear II, sun gear II hexagonal endoporus and the middle hexagonal portion of clutch connection axle When dividing engagement, hexagonal connecting rod and pull bar can be driven to rotate, electromagnet can promote the hexagonal that clutch connection axle makes sun gear II The hexagonal of endoporus and clutch connection axle is partially separated, and pull bar is stopped the rotation.

A kind of 5. riveting nut electric gun according to claim 1, it is characterised in that：Also set up on the riveting nut electric gun Have enclosing cover, cover be provided with wiring board, trigger, stroke fixed plate and stroke adjustment plate outside, wiring board respectively by control line with Motor connects with Stroke Control plate；Stroke Control plate is provided at both ends with inductor, and stroke fixed plate and stroke adjustment plate pass through row Journey adjusting nut component controls the regulation of staking stroke；Magnet is provided with the wheel positioning block；Inductor is located under magnet Side.

A kind of 6. riveting nut electric gun according to claim 5, it is characterised in that：Outer cover is provided with transparency window, Transparency window is located at the outside of stroke adjustment plate, and the scale of stroke adjustment is provided with transparency window.

A kind of 7. riveting nut electric gun according to claim 1, it is characterised in that：The feed screw nut front end is provided with anti- Konisphere, dust ring are fixed in front-end bearing pedestal.