A kind of brazing procedure integration device
Technical field
The present invention relates to the brazing device of materials such as carbide alloy and carbon steel, particularly a kind of brazing procedure integration device.
Background technology
With the wetting mother metal of liquid solder with fill the workpiece interface gaps and make its with mother metal mutually the welding method of counterdiffusion be soldering, the workpiece that assembles is placed on the method for carrying out heating soldering in the soldering oven is referred to as furnace brazing, have whole heating, homogeneous heating, characteristics that workpiece deformation is little, its heater is soldering oven.
Present domestic furnace brazing soldering oven generally be divided into two kinds: a kind of is vacuum drying oven, and metal and oxide thereof produce evaporation when utilizing in the vacuum heating, destroy its surface film oxide, thereby reach the striping effect, and it is oxidized effectively to prevent to be welded metal; Another kind is a special atmosphere oven; in soldering oven, pour atmosphere gas; gas mostly is reducing gas and inert gas; oxidized in the time of can not only avoiding the workpiece heating; can also reduce the oxide-film of surface of the work; but comprehensive above-mentioned two kinds of soldering ovens; has identical shortcoming; workpiece must be through quenching after finishing soldering; just can obtain the better physical performance; but the heating-up temperature height in the soldering oven generally all is about 1200 degree; workpiece is finished need be placed on after the soldering and is cooled to lower temperature in the soldering oven and just can comes out of the stove, and is not oxidized to guarantee workpiece, then workpiece moved to glowing furnace and is warming up between the 800-900 degree; again workpiece is moved on in the hardening media after quenching is finished and cool off; the process of haveing suffered is not only consuming time, and efficient is low; waste energy, and transport at workpiece and also can occur in the process workpiece being caused damage because of artificial factor; or the workpiece cooling is not thorough and oxidized, causes workpiece quality to reduce.
Summary of the invention
The present invention the technical problem that will just solve provide a kind of brazing procedure integration device at shortcoming of the prior art with exactlying, can simplify soldering processes, the saving energy, required manpower is few, the brazing quality height.
In order to solve the problems of the technologies described above, the present invention is achieved like this: a kind of brazing procedure integration device, comprise soldering oven and glowing furnace, and it is characterized in that: be provided with gate mechanism between the discharging opening of described soldering oven and the charging aperture of glowing furnace.
Further, described gate mechanism comprises the hermatic door cover, housing seal is connected the hermatic door over body case with glowing furnace with the soldering oven housing respectively, be provided with sealed gate near soldering oven one side in the hermatic door cover, the discharging opening of sealed gate and soldering oven fits tightly, and the sealed gate upper end connects lifting device.
Described lifting device comprises motor, and the turning cylinder of motor connects sealed gate by chain, realizes the up and down of sealed gate by the rotation of motor.
As preferably, described sealed gate both sides are provided with the gate hold down gag.
Described gate hold down gag comprises the active handle that is installed on the hermatic door over body case, and handle is provided with the cam that is used to compress sealed gate.
Further, described glowing furnace discharging opening one end connects transport platform, is equipped with transfer bar mechanism on the transport platform, and transfer bar mechanism comprises push rod, and push rod one end connects drive motors, and the other end wears to the glowing furnace housing and connects and cuts somebody's hair.
As preferably, described soldering oven housing and glowing furnace housing are the seal that polylith iron plate is welded into, and the soldering oven inner walls is provided with heat-insulation layer.
After adopting technique scheme; the present invention has the following advantages: on the basis of existing soldering oven; glowing furnace is combined with it; realize that soldering, quenching, the whole technical process of cooling are all in sealing; have in the protective atmosphere environment and carry out; the workpiece weld seam is tight, even, and any surface finish has not only been simplified production technology; save man-hour; improve production efficiency, and reduced hand labor intensity, saved the factory building space; novel structure of the present invention; the automaticity height, simple to operate, wide accommodation.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the vertical view of Fig. 1.
The specific embodiment
As Fig. 1; structural representation of the present invention shown in Figure 2; comprise soldering oven 1; be provided with protective atmosphere system and heating system in the soldering oven 1; discharging opening one end of soldering oven 1 is provided with glowing furnace 2; glowing furnace 2 tops are provided with six circulating fans 21; glowing furnace 2 bottoms are provided with and are equipped with breather line 22; breather line 22 is provided with nozzle 221; both sides are provided with cooling water pipe 23 in glowing furnace 2 bodies of heater; guaranteeing has stable protective atmosphere state and low-temperature condition in the whole glowing furnace; glowing furnace 2 discharging openings one end connects transport platform 5; be equipped with transfer bar mechanism on the transport platform 5; transfer bar mechanism comprises push rod 4, and push rod 4 one ends connect drive motors 42, and the other end wears to glowing furnace 2 housings and connects cuts somebody's hair 41.
Be provided with gate mechanism between the discharging opening of the charging aperture of glowing furnace 2 and soldering oven 1, comprise hermatic door cover 3,2 housing seals are connected hermatic door cover 3 housings with glowing furnace with soldering oven 1 housing respectively, near soldering oven 1 one sides sealed gate 32 is installed in the hermatic door cover 3, sealed gate 32 fits tightly with the discharging opening of soldering oven 1, sealed gate 32 upper ends connect lifting device 31, described lifting device comprises motor 35, the turning cylinder of motor 35 connects sealed gate 32 by chain 34, rotation by motor 35 realizes the up and down of sealed gate 32, in order to strengthen furnace sealing, the sealed gate both sides also are provided with the gate hold down gag, the gate hold down gag comprises the active handle 33 that is installed on the hermatic door over body case, cam 331 is housed on the handle 33, turning handle 33 rotates cam 331, thereby sealed gate 33 is pressed on the discharging opening wall.Soldering oven 1 housing of the present invention and glowing furnace 2 housings are the seal that polylith iron plate is welded into, and soldering oven 1 inner walls is provided with the heat-insulation layer of being made by folding cotton 11, cooperate gate mechanism the present invention that fine sealing and heat insulation effect are arranged, and save the energy.
Operation principle of the present invention is as follows: workpiece 6 is placed on the transport platform 5,41 be pushed in the soldering oven 1 by cutting somebody's hair of push rod 4 front ends, and the gate mechanism closure, this moment, soldering oven 1 was an enclosure space, the protective atmosphere system in soldering oven 1 starts working, and pours N
2, inert gas such as Ar, temperature in the stove is risen to about 1200 degree, carry out soldering processes, constant temperature was reduced to furnace temperature about hardening heat 800-900 degree after a period of time, the constant temperature certain hour, and mechanism opens the sluices, utilize push rod 4 that workpiece 6 is pulled to glowing furnace 2, closed gate mechanism, this moment, glowing furnace 2 was started working, and poured the liquid N of subzero 60 degree in the breather line 22 of glowing furnace 2 bottoms
2, liquid N
2Through nozzle 221 ejections, the N of atomizing
2Be sprayed at workpiece 6 surfaces, six circulating fans 21 at glowing furnace 2 tops start simultaneously, produce strong convection and stir atmosphere gas, cooperate the cooling water pipe 23 in the glowing furnace 2, temperature in the glowing furnace remains at low-temperature condition, workpiece 6 can be cooled to tapping temperature at short notice, finishes quenching technical, and whole process is all carried out in the protective atmosphere environment, workpiece hardness unanimity after the quenching, any surface finish, non-oxidation, no decarburization keep the workpiece primary colors; Both energy savings can shorten the production cycle again, the efficient height.