阅读说明：本技术 一种汽车水箱螺纹加水口的生产工艺 (Production process of threaded water filling port of automobile water tank ) 是由 陈诚 于 2019-08-23 设计创作，主要内容包括：本发明公开了一种汽车水箱螺纹加水口的生产工艺,所述注水口是由加水杯及出气管组成,所述加水杯的底部设有进水孔,所述进水孔孔壁上设有向外延伸的防护边,加水杯上设有阶梯裙带,所述阶梯裙带包覆在加水杯开口位置,阶梯裙带上设有豁口,加水杯的侧面插装有出气管,所述出气管远离加水杯的一端带有环形凸起,其工艺依次通过开料-清理-拉伸-切边-螺纹-卷边-剪切-冲孔-打磨-检验-焊接-检测-镀锌-包装制成,本发明优点减少了材料的浪费,使加水口更加轻便,更加节省材料,加工更加方便,降低企业的加工成本,防止喷水出现象,便于出气管与管材的安装,提高管材连接的气密性。(The invention discloses a production process of a threaded water filling port of an automobile water tank, which comprises a water filling cup and an air outlet pipe, wherein the bottom of the water filling cup is provided with a water inlet hole, the wall of the water inlet hole is provided with an outward extending protective edge, the water filling cup is provided with a stepped skirt belt, the stepped skirt belt covers the opening position of the water filling cup, the stepped skirt belt is provided with a notch, the side surface of the water filling cup is inserted with the air outlet pipe, one end of the air outlet pipe, far away from the water filling cup, is provided with an annular bulge, the process is sequentially manufactured by cutting, cleaning, stretching, trimming, threading, curling, punching, polishing, checking, welding, detecting, galvanizing and packaging, the invention has the advantages of reducing the waste of materials, leading the water filling port to be lighter, saving more materials and being more convenient to process, the processing cost of enterprise is reduced, prevents to spray water out the phenomenon, and the gas tightness that the outlet duct of being convenient for is connected with tubular product is improved in the installation of tubular product.)

1. The production process of the threaded water filling port of the automobile water tank is characterized in that the water filling port consists of a water filling cup and an air outlet pipe and is characterized in that: the process is sequentially prepared from the following steps of cutting, cleaning, stretching, trimming, threading, curling, shearing, punching, polishing, inspecting, welding, detecting, galvanizing and packaging, and comprises the following specific process steps:

1) cutting: cutting the sheet material of the water adding cup and the pipe material of the air outlet pipe group by a shearing machine according to the specification of the product;

2) cleaning: removing impurities and an oxidation layer on the sheared sheet stock in the step 1 by using a polishing machine, removing the oxidation layer and the impurities on the air outlet pipe by using 320-mesh abrasive paper, and simultaneously removing burrs at the shearing position to achieve the effects of smooth surface of the sheet stock, no pit, no black skin and smooth surface of the air pipe;

3) stretching: brushing oil on the surface of the cleaned sheet stock, placing the sheet stock in a mold for stretching to form a cup-shaped sheet stock, brushing oil on the surface of the pipe for 5-8 s/time, 1 piece at a time, placing the air outlet pipe in the mold for stretching to form a pipeline with an annular bulge on the surface of the air outlet pipe;

4) trimming: putting the cup-shaped sheet material stretched in the step 3 into an edge cutting machine for edge cutting for 3-5 s/time, 1 piece each time;

5) threading: placing the cup-shaped sheet material with the cut edges in the step 4 into a die for positioning, punching internal threads on the surface of the sheet material by using a thread press, wherein the punching depth is 2mm, the position of the next cup-shaped material is adjusted in sequence for 5 s/time, and the punching depth is 1 time per time, and the counter-clockwise rotation is 60 degrees after each punching;

6) edge curling: putting the cup-shaped sheet material with the internal threads obtained in the step 5 into a curling machine to be pressed into a step skirt belt for 3-5 s/time, 1 piece each time;

7) shearing: putting the cup-shaped sheet material with the step skirts prepared in the step 6 into a shearing machine for shearing, shearing a notch on the skirts on the outermost layer, and folding the skirts at the position of the notch to form a rotary hem for 4-6 s/time, wherein 1 piece is formed each time;

8) punching: punching the bottom of the cup-shaped sheet material prepared in the step 7, punching a water inlet hole firstly to enable the water inlet to be provided with a protective edge for 4-6 s/time, and punching an air outlet pipe mounting hole for 3-5 s/time, 1 piece each time, on the side wall of the cup-shaped sheet material;

9) polishing: polishing the processed cup-shaped sheet material by using abrasive paper, removing punching burrs, correcting the punching position, and removing oil stains on the cup-shaped sheet material and the pipe material of the air outlet pipe;

10) and (4) checking: the cup-shaped sheet material and the air outlet pipe obtained in the step 9 are checked and paired by using a height gauge and other detection tools, and the important sizes of the product are within the range, namely the product is qualified;

11) welding: welding the qualified cup-shaped sheet material and the air outlet pipe material together by using a brazing machine;

12) and (3) detection: detecting whether the welding position of the water filling port leaks water or not through an air tightness test;

13) galvanizing: galvanizing the qualified water outlet;

14) packaging: and drying and packaging the galvanized water filling port.

2. The production process of the threaded water filling port of the automobile water tank according to claim 1, characterized in that: the bottom of the water adding cup is provided with a water inlet hole, the wall of the water inlet hole is provided with a protective edge extending outwards, the water adding cup is provided with a step apron belt, the step apron belt is wrapped at the opening position of the water adding cup, the step apron belt is provided with a notch, the side surface of the water adding cup is inserted with an air outlet pipe, and one end of the air outlet pipe, which is far away from the water adding cup, is provided with an annular bulge.

Technical Field

The invention belongs to the field of machining, and particularly relates to a production process of a threaded water filling port of an automobile water tank.

Background

The automobile water tank is also called as a radiator and is a main part in an automobile cooling system; the function is to radiate heat, the cooling water absorbs heat in the water jacket, the heat is radiated after flowing to the radiator and then returns to the water jacket for circulation, and temperature adjustment is achieved. The water tank is an important component of a water-cooled engine, and is an important component of a water-cooled engine heat dissipation loop, the water tank can absorb heat of a cylinder block, the engine is prevented from overheating, the specific heat capacity of water is large, the temperature is not increased much after the heat of the cylinder block is absorbed, so that the heat of the engine passes through a liquid loop of cooling water, the water is used as a heat carrier for heat conduction, and then the heat is dissipated in a convection mode through a large-area heat dissipation fin so as to maintain the proper working temperature of the engine.

Traditional water tank screw thread filler of car, turn into the cup type to the bar through the lathe, carry out the internal screw thread turning again, adopt this kind of method to process and cause a large amount of materials to be cut, cause the waste of material, and process through the manual work and cause the damage incremental cost easily, traditional water tank screw thread filler of car, the in-process of resuping, because the water tank seals and makes the atmospheric pressure that leads to in the water tank along with the increase of the water supply volume and increase, cause the water spray phenomenon, the punching press technology, it is high to have the precision, high efficiency, high quality, save cost, a series of advantages such as material saving and energy, so an urgent need is one kind and is used for making water tank screw thread filler through the punching press technology, solve above-mentioned problem.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to solve the defects in the prior art, and provides a stamping process for machining a threaded water filling port of a water tank.

The technical scheme is as follows: the invention relates to a production process of a threaded water filling port of an automobile water tank, which comprises the following steps of material cutting, cleaning, stretching, trimming, threading, curling, shearing, punching, polishing, checking, welding, detecting, galvanizing and packaging, and comprises the following specific steps:

1) cutting: cutting the sheet material of the water adding cup and the pipe material of the air outlet pipe group by a shearing machine according to the specification of the product;

2) cleaning: removing impurities and an oxidation layer on the sheared sheet stock in the step 1 by using a polishing machine, removing the oxidation layer and the impurities on the air outlet pipe by using 320-mesh abrasive paper, and simultaneously removing burrs at the shearing position to achieve the effects of smooth surface of the sheet stock, no pit, no black skin and smooth surface of the air pipe;

3) stretching: brushing oil on the surface of the cleaned sheet stock, placing the sheet stock in a mold for stretching to form a cup-shaped sheet stock, brushing oil on the surface of the pipe for 5-8 s/time, 1 piece at a time, placing the air outlet pipe in the mold for stretching to form a pipeline with an annular bulge on the surface of the air outlet pipe;

4) trimming: putting the cup-shaped sheet material stretched in the step 3 into an edge cutting machine for edge cutting for 3-5 s/time, 1 piece each time;

5) threading: putting the cup-shaped sheet stock with the cut edges in the step 4 into a die for positioning, and punching internal threads on the surface of the sheet stock by a thread press for 4-6 s/time, wherein 1 piece is formed each time;

6) edge curling: putting the cup-shaped sheet material with the internal threads obtained in the step 5 into a curling machine to be pressed into a step skirt belt for 3-5 s/time, 1 piece each time;

7) shearing: putting the cup-shaped sheet material with the step skirts prepared in the step 6 into a shearing machine for shearing, shearing a notch on the skirts on the outermost layer, and folding the skirts at the position of the notch to form a rotary hem for 4-6 s/time, wherein 1 piece is formed each time;

8) punching: punching the bottom of the cup-shaped sheet material prepared in the step 7, punching a water inlet hole firstly to enable the water inlet to be provided with a protective edge for 4-6 s/time, and punching an air outlet pipe mounting hole for 3-5 s/time, 1 piece each time, on the side wall of the cup-shaped sheet material;

9) polishing: polishing the processed cup-shaped sheet material by using abrasive paper, removing punching burrs, correcting the punching position, and removing oil stains on the cup-shaped sheet material and the pipe material of the air outlet pipe;

10) and (4) checking: the cup-shaped sheet material and the air outlet pipe obtained in the step 9 are checked and paired by using a height gauge and other detection tools, and the important sizes of the product are within the range, namely the product is qualified;

11) welding: welding the qualified cup-shaped sheet material and the air outlet pipe material together by using a brazing machine;

12) and (3) detection: detecting whether the welding position of the water filling port leaks water or not through an air tightness test;

13) galvanizing: galvanizing the qualified water outlet;

14) packaging: and drying and packaging the galvanized water filling port.

Preferably, the bottom of the water adding cup is provided with a water inlet, the wall of the water inlet is provided with a protective edge extending outwards, the water adding cup is provided with a stepped skirt belt, the stepped skirt belt is wrapped at the opening position of the water adding cup, the stepped skirt belt is provided with a notch, the side surface of the water adding cup is inserted with an air outlet pipe, and one end of the air outlet pipe, which is far away from the water adding cup, is provided with an annular bulge.

Has the advantages that: the threaded water filling port of the automobile water tank is prepared from the aluminum alloy material, the water filling port is machined in a stamping mode, the waste of materials is reduced, the water filling port is lighter and more convenient to machine, the material is saved, the machining cost of an enterprise is reduced, the production efficiency is improved, the quality is stable, the water outlet pipe is arranged at the position of the water filling port, the phenomenon of water spraying in the process of adding water again is prevented, the annular bulge is arranged at the position of the air outlet pipe, the installation of the air outlet pipe and a pipe is facilitated, and the air tightness of the connection of the pipe is improved.

Drawings

FIG. 1 is a top view of a threaded filler of an automobile radiator according to the present invention;

FIG. 2 is a front sectional view of a threaded filler of an automobile radiator according to the present invention;

1. adding a water cup; 11. a water inlet; 12. opening the gap; 13. a step skirt band; 2. an air outlet pipe; 21. an annular protrusion.

Detailed Description

The threaded water filling port of the automobile water tank shown in fig. 1-2 is composed of a water filling cup 1 and an air outlet pipe 2, wherein a water inlet hole is formed in the bottom of the water filling cup 1, an outwardly extending protective edge is formed in the wall of the water inlet hole, a stepped skirt belt 13 is arranged on the water filling cup 1, the stepped skirt belt 13 covers the opening of the water filling cup 1, a notch 12 is formed in the stepped skirt belt 13, the air outlet pipe 2 is inserted into the side face of the water filling cup 1, and one end, away from the water filling cup 1, of the air outlet pipe 2 is provided with an annular protrusion 21, and the process sequentially comprises the following steps of cutting, cleaning, stretching, edge cutting, thread rolling, shearing, punching, polishing, checking, welding, detecting, galvanizing and packaging, and the threaded water filling port:

1) cutting: cutting the sheet material of the water adding cup 1 and the pipe material of the air outlet pipe 2 group by a shearing machine according to the specification of the product;

2) cleaning: removing impurities and an oxidation layer on the sheared sheet stock in the step 1 by using a polishing machine, removing the oxidation layer and the impurities on the air outlet pipe 2 by using 320-mesh abrasive paper, and simultaneously removing burrs at the shearing position to achieve the effects of smooth surface of the sheet stock, no pit, no black skin and smooth surface of the air pipe;

3) stretching: brushing oil on the surface of the cleaned sheet stock, putting the sheet stock into a mold for stretching to form a cup-shaped sheet stock, brushing oil on the surface of the pipe for 5-8 s/time, 1 piece at each time, putting the air outlet pipe 2 into the mold for stretching to form a pipeline with an annular bulge 21 on the surface of the air outlet pipe 2;

4) trimming: putting the cup-shaped sheet material stretched in the step 3 into an edge trimmer for edge trimming for 4 s/time, and 1 piece each time;

5) threading: placing the cup-shaped sheet material with the cut edges in the step 4 into a die for positioning, punching internal threads on the surface of the sheet material by using a thread press, wherein the punching depth is 2mm, the position of the next cup-shaped material is adjusted in sequence for 5 s/time, and the punching depth is 1 time per time, and the counter-clockwise rotation is 60 degrees after each punching;

6) edge curling: putting the cup-shaped sheet material with the internal threads obtained in the step 5 into a curling machine to be pressed into a step skirt belt 13 for 4 s/time, 1 piece each time;

7) shearing: putting the cup-shaped sheet material with the step skirts 13 prepared in the step 6 into a shearing machine for shearing, shearing a notch 12 on the skirts on the outermost layer, and folding the skirts at the position of the notch 12 to form a rotary folding edge for 5 s/time, wherein 1 piece is formed each time;

8) punching: punching the bottom of the cup-shaped sheet material prepared in the step 7, punching a water inlet hole firstly to enable the water inlet 11 to be provided with a protective edge for 5 s/time, and punching an installation hole of an air outlet pipe 2 for 4 s/time, wherein 1 piece is punched at each time;

9) polishing: polishing the processed cup-shaped sheet material by using abrasive paper, removing punching burrs, correcting the punching position, and removing oil stains on the cup-shaped sheet material and the pipe material of the air outlet pipe 2;

10) and (4) checking: the cup-shaped sheet material obtained in the step 9 and the pipe material of the air outlet pipe 2 are checked and paired by using a height gauge and other detection tools, and the important sizes of the product are within the range, namely the product is qualified;

11) welding: welding the qualified cup-shaped sheet material and the air outlet pipe 2 together by using a brazing machine;

12) and (3) detection: detecting whether the welding position of the water filling port leaks water or not through an air tightness test;

13) galvanizing: galvanizing the qualified water outlet;

14) packaging: and drying and packaging the galvanized water filling port.

In this example, the threaded filler of the radiator is made of aluminum alloy.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.