CN203650448U

CN203650448U - Permanent magnet type electric nail gun

Info

Publication number: CN203650448U
Application number: CN201320870067.1U
Authority: CN
Inventors: 杨新葵; 莫智锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-27
Filing date: 2013-12-27
Publication date: 2014-06-18
Anticipated expiration: 2023-12-27

Abstract

The utility model discloses a permanent magnet type electric nail gun which comprises a gun body, a nail box, a gun head and a handle, wherein an electromagnetic coil is arranged in the gun body; a striker is arranged in the electromagnetic coil and is fixedly connected to a movable iron core; a return spring is arranged between the movable iron core and the gun body. The permanent magnet type electric nail gun is characterized in that the movable iron core is made of a permanent magnet material; the diameter of the electromagnetic coil is 0.5-0.55 mm; a temperature controller is arranged in the gun body. The permanent magnet type electric nail gun has the beneficial effects that the movable iron core is made of the permanent magnet material; when the electromagnetic coil is electrified to generate electromagnetic force, the intrinsic magnetic force of the permanent magnet movable iron core and the electromagnetic force generated by electrifying the electromagnetic coil jointly work and are stacked together, so that electromagnetic force, which is a double of the electromagnetic force generated by single electromagnetic action, is obtained; meanwhile, the moving speed of the movable iron core is increased, and thus high impact force is obtained. The linear resistance of the electromagnetic coil of the permanent magnet type electric nail gun is doubled, the current can be reduced by 50 percent, and the power consumption is reduced by 50 percent; heat of the electromagnetic coil is effectively reduced, and energy is saved; therefore, the electric nail gun is practicable.

Description

Magneto electric nail gun

Technical field

The utility model relates to a kind of magneto electric nail gun, is especially applicable to carpenter and uses.

Background technology

At furniture industry, repairs profession is widely used is pneumatic nail gun, it is taking compressed air as power, the striker that promotes to connect on the piston in nail gun impacts nail, and nail is implanted to timber.So pneumatic nail gun will be worked and must be equipped with air compressor machine compressed air gas source is provided.Cancelling air compressor machine is the object of exploitation electric nail gun, can reduce investment, also can reduce noise, saves electric energy.

Present stage, the electric nail gun (helix tube type and E font formula) of solenoid type has very large market application foundation, as: a kind of electromagnetic nail gun, the patent No.: the 201020139273.1st, helix tube type electromagnet; A kind of electromagnetic nail gun, the patent No.: the 03200716.7th, E font electromagnet.They have a common feature: the permeability magnetic material that its moving iron core adopts is soft magnetic materials, and soft magnetic materials self does not have magnetic, only have and under outside magnetic field effect, just have magnetic.

The moving iron core of soft magnetic materials in actual use, exists heating serious; Use impulsive force after a period of time not, the familiar lacunas that can not normally work continuously.Its reason is:

1. because hand-held tool is restricted to volume, weight, so that electromagnet can not do is very large, in order to obtain enough impulsive forces, solenoid must operate at current state, and this is main heating cause;

2. in rifle body, radiating condition is poor, and the heat of accumulation makes solenoid resistance become large, and electric current reduces, and power declines.So we see, when rifle body is cold, the effect of nailing is not bad, coil heat after several minutes, and impulsive force obviously declines, with regard to cisco unity malfunction.

3. rifle body does not have self-protection device, in the time of excess Temperature, continues to use, and can cause the damage parts in rifle body.

Summary of the invention

The purpose of this utility model is to provide a kind of caloric value is little, impulsive force remains unchanged, have stoppage protection function magneto electric nail gun to make up the deficiency of prior art.

The technical solution of the utility model is: magneto electric nail gun, comprise rifle body, nail kit, rifle head and handle, in rifle body, there is solenoid, in solenoid, there is striker, striker is fixed on moving iron core, between moving iron core and rifle body, there is back-moving spring, it is characterized in that: described moving iron core is permanent-magnet material; The wire diameter of solenoid is 0.5mm-0.55mm.

Optimize: in rifle body, have temperature controller.

Good effect of the present utility model is: moving iron core adopts permanent-magnet material, in the time that solenoid energising produces electromagnetic force, the moving intrinsic magnetic force of iron core of permanent-magnet material and solenoid energising produce electromagnetic force acting in conjunction, two electromagnetic forces superpose, thereby obtain the electromagnetic force of 2 times of single electromagnetic actions, accelerate moving iron core movement velocity simultaneously, obtained larger impulsive force (kinetic energy=quality X speed).So the utility model technology compared with prior art, under the same conditions, obtains larger kinetic energy.If the utility model technology is selected identical electromagnetic force with prior art, the line resistance of the solenoid of the utility model technology can double, electric current can reduce 50%, power consumption reduces 50%, to effectively reduce solenoid heating, more save the energy, make electric nail gun have more practicality simultaneously.

Brief description of the drawings

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is the electrical block diagram of the utility model embodiment.

Detailed description of the invention

Embodiment:

1 is rifle body, and 2 is nail kit, and 3 is rifle head, 4 is handle, and 5 is solenoid, and 6 is striker, 7 is moving iron core, and 8 is back-moving spring, and 10 is temperature controller, 11 is power supply (22VAC), and 12 is power switch, and 13 is percussion switch, 14 is cocking circuit, and 15 is the synchronous cocking circuit of controllable silicon, and 16 is thermistor, 17 is controllable silicon, and 18 is power line.

Primary structure of the present utility model, operation principle, manner of execution is all with product was similar in the past, and improvements are:

Solenoid in the past, due to the enough electromagnetic forces of needs, so the wire diameter adopting is 0.72mm, such electrical power parameter guarantee has enough electromagnetic forces to drive striker to impact nail, and nail is implanted to timber.The utility model is because electromagnetic force is the stack of the electromagnetic force that produces of the moving iron core 7 of the electromagnetic force that produces of solenoid 5 and permanent magnet material, what make that the electrical power parameter of solenoid 5 can design is less, thereby reduce caloric value, evade the variety of issue of the excessive generation of caloric value.Such as: original solenoid wire diameter is 0.72mm, and the number of turn is 800 circles, line resistance 2.6 Ω, the present embodiment wire diameter is 0.51mm, the number of turn is 800, and line resistance is 5.2 Ω, by measuring and calculating, ensureing that under the condition of same impulsive force, electric current has reduced 50%, moment, electrical power 1800W reduced to 900W.

The temperature controller 10 that we install additional is for whole rifle is carried out to overtemperature protection: the temperature of thermistor 16 perception solenoids 5; when temperature is higher than setting numerical value (200 DEG C); temperature controller 10 will make cocking circuit 14;, the synchronous cocking circuit 15 of controllable silicon blocks; thereby complete machine is shut down, can not use.After temperature reduces, circuit recovers to connect again.

Claims

1. magneto electric nail gun, comprises rifle body, nail kit, rifle head and handle, in rifle body, has solenoid, has striker, striker to be fixed on moving iron core in solenoid, between moving iron core and rifle body, has back-moving spring, it is characterized in that: described moving iron core is permanent-magnet material; The wire diameter of solenoid is 0.5mm-0.55mm.

2. magneto electric nail gun according to claim 1, is characterized in that: in rifle body, have temperature controller.