CN101625121B

CN101625121B - Manufacturing method of cutting nozzle applied to welding gun

Info

Publication number: CN101625121B
Application number: CN2008100631094A
Authority: CN
Inventors: 陈定龙; 张建达
Original assignee: NINGBO LONGXING WELDING AND CUTTING EQUIPMENT CO Ltd
Current assignee: NINGBO LONGXING WELDING AND CUTTING EQUIPMENT CO Ltd
Priority date: 2008-07-11
Filing date: 2008-07-11
Publication date: 2012-08-22
Anticipated expiration: 2028-07-11
Also published as: CN101625121A

Abstract

The invention relates to a cutting nozzle applied to a welding gun, which comprises a cutting nozzle body (1), wherein the cutting nozzle (1) is made from a tellurium copper material and vent holes on the cutting nozzle body (1) are drilled by a drilling machine. The method for manufacturing the cutting nozzle comprises the following steps: material selection: selecting a tellurium copper round bar, cutting off the tellurium copper round bar, flattening the front end face and the rear end face, and performing metalworking on a concave surface (12) of the rear end; hole drilling: drilling holes on a blank with the concave surface (12) through the metalworking; forging and stamping: performing once forging and stamping on the vent holes at the front end; dimension processing: performing angle outer diameter processing at the front end, performing matched angle processing at the rear end, and performing washing with hot water; and finished product: performing flame test on the processed cutting nozzle (1), rolling characters, performing surface treatment and obtaining the finished product through packaging. The cutting nozzle has the advantages that: by adopting the tellurium copper as the raw material instead of red copper, the fastening performance of the tellurium copper is good; the stickness is lower than that of the red copper; the vent holes are not easy to block; the tellurium copper has better heat resistance and long service life; the drilling machine hole drilling is adopted to replace artificial hole drilling and most of the forging and stamping process steps so that the workload is greatly reduced, and the quality of the formed vent holes is ensured effectively, the drilled vent holes are more normative, and the drill ways are smoother; and the manufacturing procedures are reduced.

Description

Be used for the preparation method that cutting on the solder cutting gun chewed

Technical field

The present invention relates to a kind ofly be used for cutting on the solder cutting gun and chew and preparation method thereof.

Background technology

At present; Domestic general jet absorption type integral body is cut and is chewed, and generally adopts the manufacturing of T2 red copper, and working procedure processing such as product is mainly annealed, boring, forging and pressing, metalworking, detection form; See shown in Figure 4; There is certain shortcoming in the product that this processes forms: 1, processing technology is complicated, and a product needs more than 30 operation from the material to the finished product, and time-consuming taking a lot of work causes expense money; 2, unstable product quality, repeatedly forging and pressing mix with metalworking, the internal holes out-of-shape, even can split by adjacent two holes appearance seam; 3, power consumption is big, and product machining is many, increases power consumption, and the anneal of material power consumption is bigger, causes being made into height; 4, because the T2 red copper has relative viscosity, product blocks pore through regular meeting in use because of viscosity, cause reducing the service life of product.So the structure of its product and processing method await to improve.

Summary of the invention

First technical problem to be solved by this invention be provide to above-mentioned prior art present situation that a kind of heat resistance is good, cutting work for a long time is difficult for fusing, long service life and smooth the cutting on the solder cutting gun that be used for of the rule of the passage on it chew.

Second technical problem to be solved by this invention is to provide to above-mentioned prior art present situation that a kind of technology is simple, step is few, the cutting on the solder cutting gun that be used for easy to make and that production cost is low chewed preparation method.

The present invention solves the technical scheme that above-mentioned first technical problem adopted: this is used for cutting on the solder cutting gun and chews; Include to cut and chew body; It is characterized in that: said cutting chewed body and processed by the tellurium copper material, and cuts the passage of chewing on the body and adopt drilling machine or lathe boring to form.

As improvement, containing the tellurium amount in the said tellurium copper material is 0.3～3% mass percent.

The present invention solves the technical scheme that above-mentioned second technical problem adopted: this cuts the preparation method of chewing; May further comprise the steps: select materials, forging and pressing and dimensioned, it is characterized in that: adopt the hoof copper product to cut the passage of chewing as cutting to chew body and combine bore process to produce.

The above-mentioned step of selecting materials is: select the pole of tellurium copper to cut off, biend, the concave surface of metal working rear end then before and after putting down.

Above-mentioned passage comprises six holes that are positioned at five equilibrium on the same circumference on front end centre bore, rear end centre bore and the front end face; The base substrate that metal working is become concave surface on lathe or the drilling machine on request specification and size in six holes that are drilled to five equilibrium on same circumference on the front end face; Each hole is connected with the concave ends at rear portion; Bore front end centre bore and drill rear end centre bore then, brill front end centre bore and drill rear end centre bore are connected.

The step of above-mentioned forging and pressing is: wear steel wire, the front end pore once forges and presses, and dials steel wire, and hot water cleans again.

Above-mentioned dimensioned step is: nose angle is outside one's consideration and is directly processed, the processing of rear end fit angle, and hot water cleans again, cuts to chew after will processing again and carries out flame test, again through rolling word, packed products after the surface treatment.

Compared with prior art; The invention has the advantages that: 1, adopt tellurium copper to replace red copper as raw material, it is 0.3-3% that the tellurium copper material contains the tellurium amount, relative and red copper; Have two tangible characteristics: first; The fastening performance of tellurium copper is good, and is lower than the viscosity of red copper, chews pore with cutting of making of tellurium copper and is difficult for forming the choking phenomenon that the viscosity that resembles the T2 red copper is prone to produce pore; The second, the heat resistance of tellurium copper is relatively good, and cutting work for a long time is difficult for fusing, and heat resistance is more much better than T2 red copper, has improved and has cut the service life of chewing; 2, adopt boring to replace hand drill and most forging and pressing operation, not only reduce workload greatly, and effectively guaranteed the quality of shaping posterior spiracle, again because the tellurium copper cutting ability is superior to red copper, make more standard of the pore that is drilled to, the duct is more smooth; 3, because of having cancelled annealing operation and simplified manufacturing procedure, thereby reduced power consumption significantly, the cost of making is reduced greatly; 4, containing metal is not plumbous for tellurium copper, and the back product that given up does not pollute the environment, and is a kind of Green Product.

Description of drawings

Fig. 1 is the structure cutaway view of the embodiment of the invention;

Fig. 2 be among Fig. 1 A to perspective view;

Fig. 3 is the process chart of preparation method of the present invention;

Fig. 4 is the process chart of existing preparation method.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

To shown in Figure 3, the cutting on the solder cutting gun that be used for of present embodiment chewed, and includes to cut and chews body 1 like Fig. 1, cuts to chew body 1 and processed by the tellurium copper material, and cuts the passage of chewing on the body 1 and adopt drilling machine or lathe boring to form.And contain the tellurium amount in the tellurium copper material is 0.3～3% mass percent.

And cut the preparation method of chewing, may further comprise the steps: select materials, forging and pressing and dimensioned, it is characterized in that: adopt the hoof copper product and combine bore process to produce and cut the passage of chewing.

A, the step of selecting materials are: select the pole of tellurium copper to cut off, biend, the concave surface 12 of metal working rear end then before and after putting down.

B, passage comprise six holes 11 that are positioned at five equilibrium on the same circumference on front end centre bore 14, rear end centre bore 13 and the front end face 1a; The base substrate that metal working is become concave surface 12 on drilling machine or the lathe on request specification and size in six holes 11 that are drilled to five equilibrium on same periphery on the front end face 1a; Each hole 11 is connected with concave surface 12 ends at rear portion; Bore front end centre bore 14 and drill rear end centre bore 13 then, front end centre bore 14 and rear end centre bore 13 are connected.

D and the step of forging and pressing adopts: wear steel wire, the front end pore once forges and presses, and dials steel wire, and hot water cleans again.

E and the dimensioned step is: the nose angle footpath processing of being outside one's consideration, the processing of rear end fit angle, hot water cleans again, cuts after will processing to chew 1 and carry out flame test, again through rolling word, packed products after the surface treatment again.

Originally it is following to cut the operation principle of chewing:

Originally cut the operation principle of chewing and general integral body and cut that to chew principle the same: cut the rear portion 45 of chewing and chew joint with cutting of burning torch and cooperate; And chew collar nut and be fixed on the burning torch with cutting; Utilize burning torch with oxygen and acetylene gaseous mixture get into cut chew preheating gate after, cutting the front end exit of chewing, form the cutting area that preheat flame heats cutting metal with the outer fire back of igniting; When cutting area is heated to when requiring heat, utilize burning torch will cut high pressure oxygen and open and metal is severed through the preheat flame district.Can select for use cutting of different model to chew the pressure with gas according to the thickness of metal to be cut in when cutting.

Annotate: the operation that the frame of broken lines 2 in Fig. 4 has more than new technology for tradition processing, and the crucial innovative point of phantom frame 3 among Fig. 4 for being given up by new technology in the traditional handicraft.

Claims

1. one kind is used for the preparation method that cutting on the solder cutting gun chewed; It is characterized in that said method is made up of following step: a, the step of selecting materials do, selects the pole of tellurium copper to cut off, flat before and after biend; The concave surface of metal working rear end (12) then, wherein said tellurium copper contains the tellurium of 0.3-3% mass percent; B, manufacturing are cut the passage step of chewing and are done; Described passage comprises six holes (11) that are positioned at five equilibrium on the same circumference on front end centre bore (14), rear end centre bore (13) and the front end face (1a); Specifically be base substrate that metal working is become concave surface (12) in that specification and size are drilled to six holes (11) of five equilibrium on same circumference on front end face (1a) on request on lathe or the drilling machine; Each hole (11) is connected with concave surface (12) end at rear portion; Bore front end centre bore (14) and drill rear end centre bore (13) then, front end centre bore (14) and rear end centre bore (13) are connected; C, forging and pressing step do, wears steel wire, and the front end pore once forges and presses, and dials steel wire, and hot water cleans again; D, dimensioned step do, the nose angle footpath processing of being outside one's consideration, and the processing of rear end fit angle, hot water cleans again, cuts after will processing to chew (1) and carry out flame test, again through rolling word, packed products after the surface treatment again.