阅读说明：本技术 一种管道用三通管件的加工工艺 (A kind of processing technology of T-branch used in pipe-lines part ) 是由 叶敏 赵友全 于 2019-08-15 设计创作，主要内容包括：本发明公开了一种管道用三通管件的加工工艺,属于金属加工工艺技术领域,包括：步骤一、下料；步骤二、成型；步骤三、打孔旋压整形平口,其中在第一工位上,对成形的三通管坯中间凸起的密封端部打孔；在第二工位上,对已经开孔的中间承口通过旋压头旋挤窝口至完全张开；在第三工位上,通过上、下模具对三通管坯的三个承口分别进行扩口；在第四工位上,对三通管坯的中间承口进行平口；步骤四、抛光清洗烘干；步骤五、检验入库。本发明提供的一种管道用三通管件的加工工艺,提高了管材利用率,节省材料,减少三通管件重量的同时,仍能满足产品标准。(The invention discloses a kind of processing technologys of T-branch used in pipe-lines part, belong to metal working process technical field, comprising: Step 1: blanking；Step 2: molding；Step 3: punching spinning shaping flat mouth, wherein being punched on the first station to the sealing end of the three-way pipe billet intermediate projections of forming；In second station, the intermediate bellmouth of aperture is revolved by spinning head and squeezes nest mouth to complete opening；In 3rd station, it is flared respectively by three bellmouths of the upper and lower mold to three-way pipe billet；On the 4th station, flat mouth is carried out to the intermediate bellmouth of three-way pipe billet；Step 4: polished and cleaned is dried；Step 5: examining storage.A kind of processing technology of T-branch used in pipe-lines part provided by the invention improves tubing utilization rate, saves material, while reducing tee pipe fitting weight, is still able to satisfy product standard.)

1. a kind of processing technology of T-branch used in pipe-lines part characterized by comprising

Step 1: blanking, the blanking specification of material base is calculated according to the forming dimension of tee pipe fitting, select material base complete by blanking machine At blanking；

Step 2: molding, chooses the drawing die of corresponding size specification, pipeline material base loading mold is pressed into three-way pipe billet；

Step 3: punching spinning shaping flat mouth, is separately installed with the brill for punching on four stations of four station integrated machines Head, for the spinning head of hole spinning, the upper and lower mold for bellmouth shaping and the cutter for bellmouth flat mouth will be had become The three-way pipe billet of shape is added in the four station integrateds machine, wherein on the first station, to the three-way pipe billet of forming The sealing end of intermediate projections is punched；In second station, the intermediate bellmouth of aperture is revolved by the spinning head and squeezes nest Mouth is opened to complete, and original sealed end is in cambered surface to increase the intermediate bellmouth length by the internal diameter of intermediate bellmouth described in spinning Material pass through spinning head carry out spinning shaping；In 3rd station, three of the three-way pipe billet are held by upper and lower mold It mouthful is flared respectively, until the length of three bellmouth bores, overall length, bellmouth described in both ends meets drawing requirement； On four stations, flat mouth is carried out to the intermediate bellmouth of the three-way pipe billet, it is ensured that the end face of intermediate bellmouth is smooth, and intermediate bellmouth Length reaches drawing requirement；

Step 4: polished and cleaned is dried, will be polished in tee pipe fitting addition polished and cleaned equipment, cleaning, drying；

Step 5: examining storage, by drawing, each bellmouth internal diameter of the tee pipe fitting, length dimension and surfaces externally and internally are examined, Then the tee pipe fitting is packed and stored.

2. a kind of processing technology of T-branch used in pipe-lines part according to claim 1, which is characterized in that the material embryo is soft State copper pipe.

3. a kind of processing technology of T-branch used in pipe-lines part according to claim 1, which is characterized in that the blanking machine is Chipless blanking machine.

4. a kind of processing technology of T-branch used in pipe-lines part according to claim 1, which is characterized in that four station one Body machine is connect with vibration feeding disk, and several three-way pipe billets are placed in the vibration feeding disk.

5. a kind of processing technology of T-branch used in pipe-lines part according to claim 1, which is characterized in that in second station During rotary pressing processing, by the rotation and axial advancement of the circumferencial direction of the spinning head, to the tube wall of the intermediate bellmouth Spinning is carried out, by the cambered surface material part straightening of the intermediate bellmouth, to increase intermediate bellmouth length.

6. a kind of processing technology of T-branch used in pipe-lines part according to claim 1, which is characterized in that the spinning head is The tapered cylindrical body of one end band, one end of the spinning head are round table-like setting, the other end excircle of the spinning head It is provided with the screw thread for affixed power source.

7. a kind of processing technology of T-branch used in pipe-lines part according to claim 6, which is characterized in that the spinning head leans on There are two the planes for clamping for the excircle setting of nearly threaded portion.

Technical field

The present invention relates to metal working process technical fields, are specifically related to a kind of processing work of T-branch used in pipe-lines part Skill.

Background technique

Tee tube is particularly important a kind of standard pipe accessory in pipeline engineering and design, in pipeline engineering construction, Dosage is larger.Common threeway pipe processing technique is that forming (hydraulic expanding-forming) --- scarfing-shaping-is subsequent by copper pipe blanking- Processing (polishing, cleaning, drying)-test package.Hydraulic expanding-forming is the nose balance expansion branch pipe by metal material, because swollen Branch pipe port out is closed, it is also necessary to have scarfing process, i.e., remove the cutting of closed port, this some materials becomes Waste Material, cannot utilize, and lumber recovery is low, and waste of material is serious, lack the market competitiveness.

Summary of the invention

For the above-mentioned problems in the prior art, it is desirable to provide a kind of processing technology of T-branch used in pipe-lines part mentions High tubing utilization rate, saves material, while reducing tee pipe fitting weight, is still able to satisfy product standard.

Specific technical solution is as follows:

A kind of processing technology of T-branch used in pipe-lines part, comprising:

Step 1: blanking, the blanking specification of material base is calculated according to the forming dimension of tee pipe fitting, material base is selected to pass through blanking Machine completes blanking；

Step 2: molding, chooses the drawing die of corresponding size specification, under the molding condition of setting, by pipeline material base It is packed into mold and is pressed into three-way pipe billet；

Step 3: punching spinning shaping flat mouth, is separately installed on four stations of four station integrated machines for punching Drill bit, for the spinning head of hole spinning, the upper and lower mold for bellmouth shaping and the cutter for bellmouth flat mouth, will Formed three-way pipe billet is added in four station integrated machines, wherein on the first station, to the three-way pipe billet intermediate projections of forming Sealing end punching；In second station, crowded nest mouth is revolved by spinning head to the intermediate bellmouth of aperture and is opened to complete, The internal diameter of bellmouth among spinning is carried out original sealed end in the material of cambered surface with increasing intermediate bellmouth length by spinning head Spinning shaping；It in 3rd station, is flared respectively by three bellmouths of the upper and lower mold to three-way pipe billet, until three Bellmouth bore, overall length, the length of two end bells meet drawing requirement；On the 4th station, to the intermediate bellmouth of three-way pipe billet into Row flat mouth, it is ensured that the end face of intermediate bellmouth is smooth, and the length of intermediate bellmouth reaches drawing requirement；

Step 4: polished and cleaned is dried, will be polished in tee pipe fitting addition polished and cleaned equipment, cleaning, drying；

Step 5: examining storage, by drawing, each bellmouth internal diameter of tee pipe fitting, length dimension and surfaces externally and internally are examined, Then tee pipe fitting is packed and stored.

It in a kind of processing technology of above-mentioned T-branch used in pipe-lines part, also has the feature that, material embryo is soft state copper pipe.

It in a kind of processing technology of above-mentioned T-branch used in pipe-lines part, also has the feature that, blanking machine is under chipless Material machine.

In a kind of processing technology of above-mentioned T-branch used in pipe-lines part, also have the feature that, four station integrated machines with Vibration feeding disk connects, and is placed with several three-way pipe billets in vibration feeding disk.

In a kind of processing technology of above-mentioned T-branch used in pipe-lines part, also have the feature that, using four station integrateds Machine punches each three-way pipe billet, spinning, shaping, the forming of flat mouth time processing.

In a kind of processing technology of above-mentioned T-branch used in pipe-lines part, also have the feature that, in the rotation of second station It presses in process, by the rotation and axial advancement of the circumferencial direction of spinning head, spinning is carried out to the tube wall of intermediate bellmouth, it will The cambered surface material part straightening of intermediate bellmouth, to increase intermediate bellmouth length.

It in a kind of processing technology of above-mentioned T-branch used in pipe-lines part, also has the feature that, spinning head is one end band One end of tapered cylindrical body, the spinning head is round table-like setting, and the other end excircle of spinning head is provided with for affixed The screw thread of power source.

In a kind of processing technology of above-mentioned T-branch used in pipe-lines part, also have the feature that, spinning head is close to screw thread There are two the planes for clamping for partial excircle setting.

The good effect of above-mentioned technical proposal is:

In a kind of processing technology of T-branch used in pipe-lines part provided by the invention, using punching spinning shaping flat mouth technique, So that the intermediate bellmouth of three-way pipe billet is needed to form the height stretched reduces, and is revolved by the part that punching, spinning cut off original process Pressure is straightway, so that the part for enabling original needs to cut off utilizes, produces the raw materials used reduction of same size product, reduces Production cost；Manufacturing procedure is reduced to five by original six, improves processing efficiency, greatly improves the competitiveness of product.

Detailed description of the invention

Fig. 1 is a kind of one forming process of embodiment one and comparative example of the processing technology of T-branch used in pipe-lines part of the invention The schematic diagram of the section structure of three-way pipe billet later；

Fig. 2 is tee tube after a kind of one drilling process of embodiment of the processing technology of T-branch used in pipe-lines part of the invention The schematic diagram of the section structure of base；

Fig. 3 be a kind of T-branch used in pipe-lines part of the invention processing technology one spinning shaping flat mouth process of embodiment it The schematic diagram of the section structure of three-way pipe billet afterwards；

Fig. 4 is tee tube after a kind of one scarfing process of comparative example of the processing technology of T-branch used in pipe-lines part of the invention The structural schematic diagram of base；

Fig. 5 is tee tube after a kind of one trimming of comparative example of the processing technology of T-branch used in pipe-lines part of the invention The structural schematic diagram of base；

Fig. 6 for a kind of processing technology of T-branch used in pipe-lines part of the invention embodiment 1 in rotary pressing processing when institute With the structural schematic diagram of spinning head；

Fig. 7 is a kind of process flow chart of the embodiment 1 of the processing technology of T-branch used in pipe-lines part of the invention.

In attached drawing: 1, three-way pipe billet；2, medial head；3, hole；4, intermediate bellmouth；5, two end bell；6, spinning head；7, it is used for The plane of clamping；1', three-way pipe billet；4', intermediate bellmouth；5', two end bells.

Specific embodiment

It is real below in order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention It applies example combination attached drawing 1 and a kind of processing technology of T-branch used in pipe-lines part provided by the invention is specifically addressed to attached drawing 7.