CN104482693B - Knockout and its production method - Google Patents
Knockout and its production method Download PDFInfo
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- CN104482693B CN104482693B CN201410720078.0A CN201410720078A CN104482693B CN 104482693 B CN104482693 B CN 104482693B CN 201410720078 A CN201410720078 A CN 201410720078A CN 104482693 B CN104482693 B CN 104482693B
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- cylinder
- air inlet
- inlet pipe
- knockout
- iron
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Metal Extraction Processes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention provides a kind of knockout and its production method.Wherein knockout includes cylinder and air inlet pipe；Inner barrel forms chamber, and air inlet pipe is placed in the first end of cylinder, air inlet pipe connecting chamber, and cylinder is integrally formed with air inlet pipe.The cylinder and air inlet pipe of knockout are integrally formed using rotary pressing processing, a brass welding need not be carried out to the cylinder and air inlet pipe of each knockout, simplify the production technology of knockout, optimize welding manner, production efficiency is improved, defect rate and the labor intensity of employee is reduced, reduces the use of copper product, the cost of knockout is reduced, the cost of each knockout can reduce by more than 1 yuan.Its production method technique is simple, and production efficiency is high, and manufacturing cost is cheap.
Description
Technical field
The present invention relates to refrigerating field, more particularly to a kind of knockout and its production method.
Background technology
Existing knockout is generally made up of air inlet pipe, cylinder, net-filter assembly, intervalve and escape pipe, cylinder and air inlet
Pipe separately production, is then welded by solder, air inlet pipe and barrel soldering is got up again.Because the air inlet pipe of knockout needs
To be welded with the system pipeline of air conditioner, and the system pipeline of air conditioner is mostly copper pipe, for ease of welding, air inlet pipe is arranged to copper
Pipe, and the material of cylinder is mostly iron, more between cylinder and air inlet pipe to be welded using brass, each knockout is required for using brass
Once welded, the labor intensity of employee is big, and low production efficiency, welding surroundings are severe, and cost is high, the air inlet pipe of knockout
All use copper product, the cost of knockout is higher.
The content of the invention
The problem of for existing knockout complex manufacturing, the invention provides a kind of production efficiency height, production work
The simple knockout of skill and its production method.
To reach goal of the invention, the present invention provides a kind of knockout, including cylinder and air inlet pipe；
The inner barrel forms chamber, and the air inlet pipe is placed in the first end of the cylinder, and the air inlet pipe connects institute
Chamber is stated, the cylinder is integrally formed with the air inlet pipe.
As a kind of embodiment, step or groove are provided with the air inlet of the air inlet pipe.
As a kind of embodiment, the material of the cylinder is steel or iron, and the material at the air inlet of the air inlet pipe is
Copper.
As a kind of embodiment, the material of the cylinder is steel or iron, and the material at the air inlet of the air inlet pipe is
The steel or iron of copper coating.
As a kind of embodiment, in addition to net-filter assembly；The net-filter assembly is set in the cavity, and close to institute
State the first end of cylinder.
As a kind of embodiment, in addition to intervalve and escape pipe；The escape pipe is placed in the second end of the cylinder；
The intervalve is set in the cavity, and one end connects the escape pipe, and the other end is close to the net-filter assembly.
As a kind of embodiment, the escape pipe is curve bend.
The present invention also provides a kind of production method of knockout, and the knockout is that the material of the cylinder is steel or iron,
Material at the air inlet of the air inlet pipe is the knockout of copper, is comprised the following steps：
The first metallic plate that iron plate that copper coin and width that width is L1 are L2 or steel plate are welded as being separated by, wherein, institute
The length of iron plate or steel plate and the equal length of the copper coin are stated and for N times of the cylinder girth, positioned at first metal
The width of the copper coin of plate both sides is L1/2, and N is positive integer, and L1, L2 are positive number；
So that first metallic plate is cut into second metal of the width as the cylinder girth perpendicular to the direction of weld seam
Plate；
By second metallic plate, edge rolling is welded as the first cylinder in the width direction；
Along longitudinal knife in the case where forming the iron plate of first cylinder and copper coin centre position or along longitudinal direction described in formation
Knife under the steel plate of first cylinder and copper coin centre position, that first cylinder is cut into that length is L1/2+L2/2
Two cylinders, one end of second cylinder is copper product, and the other end is iron material or Steel material；
Second cylinder is subjected to rotary pressing processing on spinning machine, cylinder described in rotary press modelling and the air inlet
Pipe, and then obtain the knockout.
As a kind of embodiment, the spinning machine includes the mandrel for being used for air inlet pipe shaping, the mandrel
Structure is corresponding with the structure of the air inlet of the air inlet pipe.
The present invention also provides a kind of production method of knockout, and the knockout is that the material of the cylinder is steel or iron,
Material at the air inlet of the air inlet pipe is the steel of copper coating or the knockout of iron, is comprised the following steps：
Iron plate or steel plate edge rolling are welded as the first cylinder, the girth of first cylinder is equal to the knockout
The girth of the cylinder；
First cylinder is cut into the second cylinder of equal length, the length of second cylinder is more than institute
The length of the cylinder of knockout is stated, and less than the total length of the knockout；
Second cylinder is subjected to rotary pressing processing on spinning machine, cylinder described in rotary press modelling and the first straight tube,
The diameter of first straight tube is less than the diameter of the cylinder；
First straight tube is subjected to expander processing, the second straight tube with step or groove is obtained, by described second
The air inlet end face of straight tube carries out smooth processing, obtains the 3rd smooth straight tube of air inlet end face；
The air inlet position of 3rd straight tube is subjected to copper plating treatment, obtains the air inlet pipe.
Beneficial effects of the present invention include：
The knockout and its production method of the present invention.Wherein the cylinder of knockout and air inlet pipe using rotary pressing processing one into
Type, it is not necessary to cylinder and air inlet pipe to each knockout carry out a brass welding, simplify the production technology of knockout,
Welding manner is optimized, improves production efficiency, defect rate and the labor intensity of employee is reduced, reduces making for copper product
With reducing the cost of knockout, the cost of each knockout can reduce by more than 1 yuan.Its production method technique is simple, production
Efficiency high, reduces or saves the use of copper product, and manufacturing cost is cheap.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of knockout one of the present invention；
Fig. 2 to Fig. 7 is the schematic diagram of the embodiment of production process one of the knockout of the present invention.
Description of reference numerals：
1 cylinder, 1a chambers, 2 air inlet pipe, 2a air inlets, 3 net-filter assemblies, 4 intervalves, 5 escape pipes, 6 mandrels.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with drawings and Examples pair
Knockout of the present invention and its production method are further elaborated.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of knockout, including cylinder 1 and air inlet pipe 2.Cylinder 1 is internally formed chamber
Room 1a, air inlet pipe 2 are placed in the first end of cylinder 1, air inlet pipe connecting chamber 1a, and cylinder 1 is integrally formed with air inlet pipe 2.
The knockout of the present invention, cylinder 1 and air inlet pipe 2 are integrally formed using rotary pressing processing, are used not influenceing knockout
And its while performance, eliminate needs to carry out brass welding to the cylinder 1 and air inlet pipe 2 of each knockout in conventional art
Defect, the production technology of knockout is simplified, optimizes welding manner, improves production efficiency, the work for reducing employee is strong
Degree, reduces defect rate and its cost, each knockout cost can reduce by more than 1 yuan.
As a kind of embodiment, step or groove are provided with the air inlet 2a of air inlet pipe 2.The structure can revolve
Shape corresponding to being set during pressure on mandrel 6 processes, setting step or groove air inlet 2a at, be easy to be with air conditioner
System pipe interface, and knockout can be entered in the production process of compressor when water-filling is hunted leak and be connected with snap joint.
As a kind of embodiment, the material of cylinder 1 is steel or iron, and the material at the air inlet 2a of air inlet pipe 2 is copper.
Because the material of the system pipeline of air conditioner is mostly copper, the material at air inlet 2a is copper, ensures compressor access
During refrigeration system, the welding between system pipeline and air inlet pipe 2 is not influenceed.Before knockout rotary pressing processing, iron charge and copper are controlled
The ratio of material, you can the length of copper pipe at control air inlet 2a, therefore copper product can be saved, reduce knockout cost.Cylinder 1
Material is steel or iron, and under conditions of knockout performance is met, Steel material or iron material are relatively low with respect to copper product price, section
Spending is saved, reduces knockout cost.
As a kind of embodiment, the material of cylinder 1 is steel or iron, and the material at the air inlet 2a of air inlet pipe 2 is table
The copper-plated steel in face or iron.
Cylinder 1 and the material of air inlet pipe 2 are all using steel or iron, steel or iron surface plating at the air inlet 2a of air inlet pipe 2
Last layer thickness is more than 1um copper film, under conditions of knockout performance is met, nor affects on system pipeline and air inlet
Welding between pipe 2.What deserves to be explained is the thickness of copper film can not be too thin, it is too thin to influence system pipeline and the weldering of air inlet pipe 2
Connect.It is preferred that in one of the embodiments, the material at the air inlet 2a of air inlet pipe 2 is the iron of copper coating.Steel surface is plated
The technique of copper is relatively complicated, and cost is higher, and iron surface copper-plating technique is simple, and cost is low.
In one of the embodiments, the both ends of cylinder 1 be towards pyramidal structure tapered outside chamber 1a, air inlet pipe 2
The center line of center line and cylinder 1 is on same straight line.It can play a part of section sudden expansion noise reduction, while can be to high velocity stream
Dynamic refrigerant enters row buffering, and refrigerant flows into chamber 1a uniform flow, and fluid resistance is small.
As a kind of embodiment, in addition to net-filter assembly 3, net-filter assembly 3 is arranged in chamber 1a, and close to cylinder
First end.
What deserves to be explained is net-filter assembly 3 can include support member and be arranged on the filter screen of support member outer surface, branch
Support part part is supported on the first end of cylinder 1, can so make the area increase of filter screen being disposed thereon, reach optimal filtering
Effect.Filter screen can cut caused bubble in refrigerant flow process broken, and can play cushioning effect to refrigerant flow rate.
As a kind of embodiment, in addition to intervalve 4 and escape pipe 5.Escape pipe 5 is placed in the second end of cylinder 1.In
Between pipe 4 be arranged in chamber 1a, one end connection escape pipe 5, the other end is close to net-filter assembly 3.Escape pipe 5 is curve bend.
The gas coolant that net-filter assembly 3 is isolated is transferred to escape pipe 5 by intervalve 4, and escape pipe 5 send gas coolant
Compressor is returned, escape pipe 5 is curve bend, saves space, is easily installed.
Based on same inventive concept, present invention also offers a kind of production method of knockout, the method is foregoing to process
A kind of material of cylinder 1 is steel or iron, the material at the air inlet 2a of air inlet pipe 2 for the knockout of copper specific implementation step,
Therefore repeated no more in place of the repetition of the architectural feature such as the shape of knockout, construction.
The production method of knockout provided in an embodiment of the present invention, as shown in Figures 2 to 7, comprise the following steps：
Step A1：The first metallic plate that iron plate that copper coin and width that width is L1 are L2 or steel plate are welded as being separated by,
Wherein, the equal length of the length and copper coin of iron plate or steel plate and for N times of cylinder girth, the copper positioned at the first metallic plate both sides
The width of plate is L1/2, and N is positive integer, and L1, L2 are positive number.
Step B1：So that the first metallic plate is cut into second metal of the width as cylinder girth perpendicular to the direction of weld seam
Plate.
Step C1：By the second metallic plate, edge rolling is welded as the first cylinder in the width direction.
Step D1：Institute is being formed along longitudinal knife in the case where forming the iron plate of the first cylinder and copper coin centre position or along longitudinal direction
State the first cylinder steel plate and copper coin centre position under knife, by the first cylinder be cut into length be L1/2+L2/2 second
Cylinder, one end of the second cylinder is copper product, and the other end is iron material or copper product.
Step E1：Second cylinder is subjected to rotary pressing processing, rotary press modelling cylinder 1 and air inlet pipe 2 on spinning machine, entered
And obtain knockout.
Before step A1 is carried out, iron plate that copper coin and width that width is L1 are L2 or steel plate are put as shown in Figure 2.Will
Copper coin and iron plate or steel plate are welded, and obtain the copper and iron shown in Fig. 3 or the first metallic plate that copper steel is separated by, wherein iron plate width
Or steel plate width L2 is more than copper coin width L1.By the first metallic plate along being cut perpendicular to the direction of weld seam, obtain shown in Fig. 4
N number of second metallic plate, the width of N number of second metallic plate is suitable with cylinder girth.N number of second metallic plate is rolled up in the width direction
Circle welding, the first cylinder shown in Fig. 5 is obtained, the first cylinder is the cylinder that copper and iron is separated by or copper steel is separated by, and is thin
The tubular structure of wall.First cylinder is cut along the cutting position H shown in Fig. 5, obtains the second cylinder shown in Fig. 6
Body, the equal length of each second cylinder, one end have L1/2 copper product, and the other end has L2/2 iron material or steel
Material, cutting position H be iron plate or the centre position of steel plate and copper coin, the both sides cutting position H of the first cylinder with cut off before it is right
Answer the distance of the first cylinder edge equal, the distance between each cutting position H is also equal.By each second cylinder in spinning
Spinning is carried out in equipment, obtains the knockout shown in Fig. 7, the knockout is the 2 integrally formed liquid separation of foregoing cylinder 1 and air inlet pipe
Device.
The production method technique of above-mentioned knockout is simple, and production efficiency is high, simplifies and carries out brass solder to each knockout
The step of connecing, defect rate and the labor intensity of employee, and the knockout produced in this way are reduced, reduces copper material
The use of material, production cost are low.
As a kind of embodiment, referring to Fig. 7, spinning machine includes being used for the mandrel 6 that air inlet pipe 2 is molded, mandrel 6
Structure is corresponding with the air inlet 2a of air inlet pipe 2 structure.
In rotary pressing processing, mandrel 6 is arranged on inside air inlet pipe 2, and the structure of mandrel 6 can be ledge structure, bulge loop knot
Structure or groove structure, its shape and structure is corresponding with air inlet 2a structure, so that air inlet 2a possesses corresponding feature.
It should be noted that illustrated position, schematic construction and signal numerical value involved by above-mentioned Fig. 2 to Fig. 7, are only real
The exemplary illustration that present invention is done is applied, on the premise of the application spirit or scope are not departed from, those skilled in the art
Sets itself can be carried out according to actual demand.
Based on same inventive concept, present invention also offers a kind of production method of knockout, the method is foregoing to process
A kind of material of cylinder 1 is steel or iron, and material at the air inlet 2a of air inlet pipe 2 is the steel of copper coating or the knockout of iron
Specific implementation step, therefore repeated no more in place of the repetition of the architectural feature such as the shape of knockout, construction.What the embodiment provided
The production method of knockout comprises the following steps：
Step A2：Iron plate or steel plate edge rolling are welded as the first cylinder, the girth of the first cylinder is equal to knockout
The girth of cylinder 1.
Step B2：First cylinder is cut into the second cylinder of equal length, the length of the second cylinder, which is more than, divides
The length of the cylinder 1 of liquid device, less than the total length of knockout.
Step C2：Second cylinder is subjected to rotary pressing processing on spinning machine, the straight tube of rotary press modelling cylinder 1 and first,
The diameter of first straight tube is less than the diameter of cylinder 1.
Step D2：First straight tube is subjected to expander processing, obtains the second straight tube with step or groove, it is straight by second
The air inlet end face of pipe carries out smooth processing (such as polishing), obtains the 3rd smooth straight tube of air inlet end face.
Step E2：The air inlet position of 3rd straight tube is subjected to copper plating treatment, obtains air inlet pipe 2.
The production method technique of above-mentioned knockout is simple, and production efficiency is high, the cylinder 1 and air inlet pipe 2 of knockout with steel or
Iron material is integrally formed, and is simplified the step of carrying out brass welding to each knockout, is reduced defect rate and the work of employee
Intensity, copper plating treatment is carried out in the air inlet pipe at air inlet 2a, not only meet that the welding between system pipeline and knockout will
Ask, and save copper product, production cost is low.
What deserves to be explained is the equipment of the expander processing in the embodiment in the production method of knockout includes mandrel 6, core
The structure of axle 6 is corresponding with the air inlet 2a of air inlet pipe 2 structure, and when expander is processed, mandrel is arranged on inside air inlet pipe 2, is made
Air inlet 2a possesses corresponding feature.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (3)
1. a kind of production method of knockout, it is characterised in that the knockout includes：Cylinder (1) and air inlet pipe (2)；It is described
Cylinder (1) is internally formed chamber (1a), and the air inlet pipe (2) is placed in the first end of the cylinder (1), and the air inlet pipe (2) is even
Lead to the chamber (1a), the cylinder (1) is integrally formed with the air inlet pipe (2)；Air inlet (2a) place of the air inlet pipe (2)
It is provided with step or groove；The material of the cylinder (1) is steel or iron, the material at air inlet (2a) place of the air inlet pipe (2)
For copper；
The production method comprises the following steps：
The first metallic plate that iron plate that copper coin and width that width is L1 are L2 or steel plate are welded as being separated by, wherein, the iron
The equal length of the length and the copper coin of plate or steel plate and for N times of the cylinder girth, positioned at first metallic plate two
The width of the copper coin of side is L1/2, and N is positive integer, and L1, L2 are positive number；
So that first metallic plate is cut into second metallic plate of the width as the cylinder girth perpendicular to the direction of weld seam；
By second metallic plate, edge rolling is welded as the first cylinder in the width direction；
Described first is being formed along longitudinal knife in the case where forming the iron plate of first cylinder and copper coin centre position or along longitudinal direction
Knife under the steel plate of cylinder and copper coin centre position, first cylinder is cut into the second circle that length is L1/2+L2/2
Cylinder, one end of second cylinder is copper product, and the other end is iron material or Steel material；
Second cylinder is subjected to rotary pressing processing on spinning machine, cylinder described in rotary press modelling and the air inlet pipe, entered
And obtain the knockout.
2. the production method of knockout according to claim 1, it is characterised in that the spinning machine is included for described
The mandrel (6) of air inlet pipe (2) shaping, the structure of the mandrel (6) are relative with the structure of the air inlet (2a) of the air inlet pipe (2)
Should.
3. a kind of production method of knockout, it is characterised in that the knockout includes：Cylinder (1) and air inlet pipe (2)；It is described
Cylinder (1) is internally formed chamber (1a), and the air inlet pipe (2) is placed in the first end of the cylinder (1), and the air inlet pipe (2) is even
Lead to the chamber (1a), the cylinder (1) is integrally formed with the air inlet pipe (2)；Air inlet (2a) place of the air inlet pipe (2)
It is provided with step or groove；The material of the cylinder (1) is steel or iron, the material at air inlet (2a) place of the air inlet pipe (2)
For the steel or iron of copper coating；
The production method comprises the following steps：
Iron plate or steel plate edge rolling are welded as the first cylinder, the girth of first cylinder is equal to the described of the knockout
The girth of cylinder；
First cylinder is cut into the second cylinder of equal length, the length of second cylinder is more than described point
The length of the cylinder of liquid device, and less than the total length of the knockout；
Second cylinder is subjected to rotary pressing processing on spinning machine, cylinder described in rotary press modelling and the first straight tube are described
The diameter of first straight tube is less than the diameter of the cylinder；
First straight tube is subjected to expander processing, the second straight tube with step or groove is obtained, by second straight tube
Air inlet end face carry out smooth processing, obtain the 3rd smooth straight tube of air inlet end face；By the air inlet of the 3rd straight tube
Position carries out copper plating treatment, obtains the air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410720078.0A CN104482693B (en) | 2014-12-02 | 2014-12-02 | Knockout and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410720078.0A CN104482693B (en) | 2014-12-02 | 2014-12-02 | Knockout and its production method |
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| Publication Number | Publication Date |
|---|---|
| CN104482693A CN104482693A (en) | 2015-04-01 |
| CN104482693B true CN104482693B (en) | 2017-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410720078.0A Active CN104482693B (en) | 2014-12-02 | 2014-12-02 | Knockout and its production method |
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| CN (1) | CN104482693B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271651A (en) * | 2016-08-28 | 2017-01-04 | 嵊州市新高轮制冷设备有限公司 | The process units of a kind of liquid reservoir and the using method of this device |
| CN113865163A (en) * | 2021-09-02 | 2021-12-31 | 含山瑞可金属有限公司 | Stainless steel liquid separator, air conditioner and manufacturing method of stainless steel liquid separator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57154372A (en) * | 1981-03-20 | 1982-09-24 | Daikin Ind Ltd | Binding method for two members in refrigerator |
| JP2002188869A (en) * | 2000-12-19 | 2002-07-05 | Daikin Ind Ltd | Refrigerant flow splitter and manufacturing method thereof |
| CN1626994A (en) * | 2003-12-12 | 2005-06-15 | 乐金电子(天津)电器有限公司 | Structure of gas liquid separator of airtight type revolving compressor |
| CN201662290U (en) * | 2010-02-04 | 2010-12-01 | 浙江精艺管件有限公司 | Liquid storage device used on air conditioner compressor |
| CN202382491U (en) * | 2011-11-22 | 2012-08-15 | 浙江盾安机械有限公司 | Gas-liquid separator improvement structure |
| CN103808089A (en) * | 2014-02-25 | 2014-05-21 | 嵊州市新高轮制冷设备有限公司 | Liquid storage vessel |
| CN204329423U (en) * | 2014-12-02 | 2015-05-13 | 重庆凌达压缩机有限公司 | Knockout |
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