CN104961192B - Production process for purification column used for water purifier - Google Patents
Production process for purification column used for water purifier Download PDFInfo
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- CN104961192B CN104961192B CN201510301636.4A CN201510301636A CN104961192B CN 104961192 B CN104961192 B CN 104961192B CN 201510301636 A CN201510301636 A CN 201510301636A CN 104961192 B CN104961192 B CN 104961192B
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Abstract
The invention discloses a production process for a purification column used for a water purifier. The production process comprises the following steps: S1, stamping: a step of cutting a filter screen with a stamping mold; S2, injection molding: a step of respectively subjecting an upper end cover (1), a lower end cover (2), a purification column body (3), the filter screen (4) and a filter press ring (5) to injection molding; S3, preparation of a microporous filter (6): a step of cutting a sintered and molded filter with a stamping knife mold; S4, welding of the filter press ring (5); S5, welding of the lower end cover (2) and the purification column body (3); S6, filling of resin or filter material; and S7, welding of the upper end cover (1). Hot plate mold welding is employed in the process of welding, and end face welding and side surface welding manners are adopted. The purification column produced in the invention has high size precision, uniform wall thickness of the column and high cylindricity of the column, can be molded in one shot and does not need subsequent processing; and the production process has the advantages of high injection molding efficiency, low production cost and capacity of perfectly guaranteeing subsequent welding.
Description
Technical field
The present invention relates to pure water equipment field, particularly a kind of purification column production technology for demineralizer.
Background technology
Purification column is a kind of to be the water purification equipment producing for pure water, and purification column mainly includes, purification column cylinder, upper end cover
1st, bottom end cover, exchanger resin, drainage screen or filter.The purification column sold in the market adopts extrusion molding, extrusion mostly
Molding is the ring-like space by material by being made up of mouth mould and core, forms tube, then by sizing and cools down, and obtains
Any surface finish, size and the accurate tubing of geometry.Conventional method for shaping is using external diameter sizing, i.e. extruded tube
By an internal diameter and product external diameter identical sizing sleeve, tube is made to be close to shaping cover inwall using pressure reduction, thus can obtain
To the accurate tubing of external diameter；In order to cause pressure reduction, compressed air can be passed through into pipe, also can cause negative pressure outside pipe.It is extruded into
Type process is simple, but purification column is produced using extruding-out process, the cylinder tube wall thickness of purification column may be led to uneven,
And the circumferential angle of pipe is irregular.How to provide that a kind of pipe thickness is uniform, circumferential angle is regular, and good airproof performance, resistance to compression
The high purification column of intensity is the problem of skilled person's urgent need to resolve.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide that a kind of Large Copacity, impact strength be strong, thickness of pipe wall
Spend uniform, practical purification column production technology.
The purpose of the present invention is achieved through the following technical solutions:
A kind of purification column production technology for demineralizer, described purification column include upper end cover, bottom end cover, one or many
Individual purification cylinder, the drainage screen being arranged in purification column body, purification cylinder is arranged between upper end cover and bottom end cover, microporous filter
Piece is welded in upper end cover or the groove of bottom end cover by filter pressure ring, and described production technology comprises the following steps:
S1. punching press: 120 ~ 170 mesh filter screens are carried out cutting with diel；
S2. it is molded: by the injection mo(u)lding respectively of upper end cover, bottom end cover, purification cylinder, drainage screen and filter pressure ring, each
The technological parameter of assembly injection mo(u)lding is:
A, purification cylinder, raw material is mixing pp, and injection temperature is 200 ~ 240 DEG C, and injection pressure is 0.4 ~ 0.6mpa, injection
Time 3 ~ 8s, dwell time 5 ~ 12s, cool time 45 ~ 60s；
B, upper end cover, raw material is mixing pp, and injection temperature is 200 ~ 220 DEG C, and injection pressure is 0.3 ~ 0.5mpa, during injection
Between 2 ~ 7s, dwell time 4 ~ 10s, cool time 40 ~ 55s；
C, bottom end cover, raw material is mixing pp, and injection temperature is 190 ~ 210 DEG C, and injection pressure is 0.3 ~ 0.4mpa, during injection
Between 2 ~ 7s, dwell time 4 ~ 6s, cool time 40 ~ 55s；
D, filter pressure ring, raw material is pom plastics, and injection temperature is 160 ~ 180 DEG C, and injection pressure is 0.1 ~ 0.15mpa,
Injection time 1 ~ 4s, dwell time 2 ~ 6s, cool time 25 ~ 35s；
E, drainage screen, raw material is pom plastics, and injection temperature is 190 ~ 200 DEG C, and injection pressure is 0.2 ~ 0.25mpa, injection
Time 1 ~ 4s, dwell time 2 ~ 7s, cool time 30 ~ 45s；
S3. make microporous filter piece: the pe sintering of plastics molding of 280 ~ 330 mesh, by stamping cutting die cutting；
S4. weld filter pressure ring: circular microporous filter piece is respectively put into the correspondence position of upper and lower end cap, uses filter
Pressure ring pushes down microporous filter piece, puts in end cover welding machine, is welded and fixed, and welding parameter is, 60 ~ 80 DEG C of hot-die heating-up temperature,
Heat time heating time 3 ~ 8s, air pressure 0.3 ~ 0.6mpa；
S5. welding bottom end cover and purification cylinder: bottom end cover and purification cylinder are respectively put into the correspondence in hot plate welding machine
In fixture, adjust welding parameter, start automatic welding, complete the welding of bottom end cover, welding parameter is, hot-die heating-up temperature 260 ~
300 DEG C, heat time heating time 2 ~ 7s, hardening time 25 ~ 40s, air pressure 0.4 ~ 0.8mpa；
S6. resin or filtrate are loaded: be respectively pressed into a drainage screen into the above-mentioned purification column body being welded bottom end cover, filter
Net is pressed in the position closing on bottom end cover, then loads resin or filtrate respectively into purification column body, finally again in resin or filtrate
Upper end is pressed into a drainage screen；
S7. weld upper end cover: upper end cover and the above-mentioned purification cylinder installing resin are respectively put into the right of hot plate welding machine
Answer in fixture, adjust welding parameter, start automatic welding, upper end cover is just fabricated to a complete purification column after being welded,
Welding parameter is, 260 ~ 300 DEG C of hot-die heating-up temperature, heat time heating time 2 ~ 8s, hardening time: 20 ~ 40s, air pressure 0.4 ~ 0.8mpa.
A kind of purification column production technology for demineralizer, between step s4 and step s5, also includes a welding even
The step connecing ring and purification cylinder: connection ring and purification cylinder are respectively put in the corresponding fixture of barrel soldering machine, adjust weldering
Connect parameter, start automatic welding, complete purification cylinder and lengthen, welding parameter is that 250 ~ 290 DEG C of hot-die heating-up temperature, during addition
Between 2 ~ 6s, hardening time 25 ~ 40s, air pressure 0.2 ~ 0.7mp.
The injection-mold process parameter of described connection ring is: connection ring raw material is mixing pp, and injection temperature is 160 ~ 180
DEG C, injection pressure be 0.2 ~ 0.3mpa, injection time 2s, dwell time 4s, cool time 30s.
Described mixing pp is mixed by pp material k8003 and pp material k4912 2:1 in mass ratio.
All connect using hot plate die welding in welding process, welding manner adopts end face and side welding manner.
The invention has the beneficial effects as follows:
(1) the pp material non-toxic that adopted, tasteless, density is little, heat-resist, stable chemical performance, hardly absorbs water, tool
There is excellent mechanical property, its tensile strength only can reach 30mpa or slightly higher level.
(2) production of purification column adopts injection molding process, and injection molding process interpolation adjuvant is few, the product size of production
High precision, uniformly, cylinder cylindricity is high for pipe thickness, and product can be with disposal molding, and without postorder processing, and injection mo(u)lding is given birth to
Produce efficiency high, low production cost, can be good at ensureing postorder welding.
(3) connect using bonding machine hot plate die welding in welding process, welding manner adopts end face and side welding, Neng Gouyou
Sealing after the guarantee welding of effect and anti-pressure ability.
(4) present invention is easily installed, and can need not change resin with single use, and client is convenient when using.
Brief description
Fig. 1 is i type purification column schematic diagram；
Fig. 2 is the a-a profile of Fig. 1；
Fig. 3 is ii type purification column schematic diagram；
Fig. 4 is the b-b profile of Fig. 3；
In figure, 1- upper end cover, 2- bottom end cover, 3- purification cylinder, 4- drainage screen, 5- filter pressure ring, 6- microporous filter piece,
7- connection ring.
Specific embodiment
Below in conjunction with the accompanying drawings technical scheme is described in further detail, but protection scope of the present invention is not limited to
Described below.
The production technology of [embodiment 1] i type purification column
As illustrated in fig. 1 and 2 i type purification column include upper end cover 1, bottom end cover 2, one or more purification cylinder 3, be arranged on pure
Change the drainage screen 4 in cylinder 3, purification cylinder 3 is arranged between upper end cover 1 and bottom end cover 2, microporous filter piece 6 passes through filter
Pressure ring 5 is welded in upper end cover 1 or the groove of bottom end cover 2, and described production technology comprises the following steps:
S1. punching press: 120 mesh filter screens are carried out cutting with diel；
S2. it is molded: by upper end cover 1, bottom end cover 2, purification cylinder 3, drainage screen 4, filter pressure ring 5 injection mo(u)lding respectively,
The technological parameter of each assembly injection mo(u)lding is:
A, purification cylinder 3, raw material is mixing pp, and injection temperature is 200 DEG C, and injection pressure is 0.4mpa, injection time 3s,
Dwell time 5s, cool time 45s；
B, upper end cover 1, raw material is mixing pp, and injection temperature is 200 DEG C, and injection pressure is 0.3mpa, injection time 2s, protects
Pressure time 4s, cool time 40s；
C, bottom end cover 2, raw material is mixing pp, and injection temperature is 190 DEG C, and injection pressure is 0.3mpa, injection time 2s, protects
Pressure time 4s, cool time 40s；
D, filter pressure ring 5, raw material is pom plastics, and injection temperature is 160 DEG C, and injection pressure is 0.1mpa, injection time
1s, dwell time 2s, cool time 25s；
Cut 120 mesh filter screens are first put in mould by e, drainage screen 4, and then the nozzle injection of injection machine goes out melting
The raw material of state covers the injection mo(u)lding that mould completes drainage screen 4；Raw material is pom plastics, and injection temperature is 190 DEG C, injection pressure
Power be 0.2mpa, injection time 1s, dwell time 2s, cool time 30s；
S3. make the pe sintering of plastics molding of microporous filter piece 6:280 mesh, then pass through stamping cutting die cutting；
S4. weld filter pressure ring 5: circular microporous filter piece 6 is respectively put into the correspondence position of upper and lower end cap 2, used
Filter disc pressure ring 5 pushes down microporous filter piece 6, puts in end cover welding machine, is welded and fixed, and welding parameter is, hot-die heating-up temperature 60
DEG C, heat time heating time 3s, air pressure 0.3mpa；
S5. welding bottom end cover 2 and purification cylinder 3: bottom end cover 2 and two purification cylinders 3 are respectively put into hot plate welding machine
In corresponding fixture in, adjust welding parameter, start automatic welding, complete the welding of bottom end cover 2, welding parameter is that hot-die adds
260 DEG C of hot temperature, heat time heating time 2s, hardening time 25s, air pressure 0.4mpa；
S6. resin or filtrate are loaded: respectively it is pressed into a drainage screen 4 into the above-mentioned purification cylinder 3 being welded bottom end cover 2,
Drainage screen 4 is pressed in the position closing on bottom end cover 2, then loads resin or filtrate respectively into purification cylinder 3, finally again in resin or
The upper end of filtrate is pressed into a drainage screen 4；
S7. weld upper end cover 1: upper end cover 1 and the above-mentioned purification cylinder 3 installing resin are respectively put into hot plate welding machine
In corresponding fixture, adjust welding parameter, start automatic welding, upper end cover 1 is just fabricated to a complete purification after being welded
Post, welding parameter is, 260 DEG C of hot-die heating-up temperature, heat time heating time 2s, hardening time 20s, air pressure 0.4mpa.
Described mixing pp is mixed by pp material k8003 and pp material k4912 2:1 in mass ratio.
All connect using hot plate die welding in welding process, welding manner adopts end face and side welding manner.
The production technology of [embodiment 2] i type purification column
I type purification column includes upper end cover 1, bottom end cover 2, one or more purification cylinder 3, is arranged in purification cylinder 3
Drainage screen 4, purification cylinder 3 is arranged between upper end cover 1 and bottom end cover 2, and microporous filter piece 6 is welded in by filter pressure ring 5
In the groove of upper end cover 1 or bottom end cover 2, described production technology comprises the following steps:
S1. punching press: 130 mesh filter screens are carried out cutting with diel；
S2. it is molded: by upper end cover 1, bottom end cover 2, purification cylinder 3, drainage screen 4, filter pressure ring 5 injection mo(u)lding respectively,
The technological parameter of each assembly injection mo(u)lding is as follows:
A, purification cylinder 3, raw material is mixing pp, and injection temperature is 205 DEG C, and injection pressure is 0.45mpa, injection time
4s, dwell time 6s, cool time 48s；
B, upper end cover 1, raw material is mixing pp, and injection temperature is 210 DEG C, and injection pressure is 0.35mpa, injection time 3s,
Dwell time 5s, cool time 42s；
C, bottom end cover 2, raw material is mixing pp, and injection temperature is 195 DEG C, and injection pressure is 0.35mpa, injection time 3s,
Dwell time 5s, cool time 42s；
D, filter pressure ring 5, raw material is pom plastics, and injection temperature is 165 DEG C, and injection pressure is 0.12mpa, during injection
Between 2s, dwell time 3s, cool time 28s；
Cut 130 mesh filter screens are first put in mould by e, drainage screen 4, and then the nozzle injection of injection machine goes out melting
The raw material of state covers the injection mo(u)lding that mould completes drainage screen 4；Raw material is pom plastics, and injection temperature is 195 DEG C, injection pressure
Power be 0.23mpa, injection time 2s, dwell time 3s, cool time 32s；
S3. make the pe sintering of plastics molding of microporous filter piece 6:290 mesh, then pass through stamping cutting die cutting；
S4. weld filter pressure ring 5: circular microporous filter piece 6 is respectively put into the correspondence position of upper and lower end cap 2, used
Filter disc pressure ring 5 pushes down microporous filter piece 6, puts in end cover welding machine, is welded and fixed, and welding parameter is, hot-die heating-up temperature 65
DEG C, heat time heating time 4s, air pressure 0.4mpa；
S5. welding bottom end cover 2 and purification cylinder 3: bottom end cover 2 and two purification cylinders 3 are respectively put into hot plate welding machine
In corresponding fixture in, adjust welding parameter, start automatic welding, complete the welding of bottom end cover 2, welding parameter is that hot-die adds
270 DEG C of hot temperature, heat time heating time 3s, hardening time 27s, air pressure 0.5mpa；
S6. resin or filtrate are loaded: respectively it is pressed into a drainage screen 4 into the above-mentioned purification cylinder 3 being welded bottom end cover 2,
Drainage screen 4 is pressed in the position closing on bottom end cover 2, then loads resin or filtrate respectively into purification cylinder 3, finally again in resin or
The upper end of filtrate is pressed into a drainage screen 4；
S7. weld upper end cover 1: upper end cover 1 and the above-mentioned purification cylinder 3 installing resin are respectively put into hot plate welding machine
In corresponding fixture, adjust welding parameter, start automatic welding, upper end cover 1 is just fabricated to a complete purification after being welded
Post, welding parameter is, 270 DEG C of hot-die heating-up temperature, heat time heating time 4s, hardening time: 25s, air pressure 0.5mpa.
Described mixing pp is mixed by pp material k8003 and pp material k4912 2:1 in mass ratio.
All connect using hot plate die welding in welding process, welding manner adopts end face and side welding manner.
The production technology of [embodiment 3] ii type purification column
As shown in Figures 3 and 4, ii type purification column include upper end cover 1, bottom end cover 2, with connection ring 7 connect purification cylinder 3,
It is arranged on the drainage screen 4 in purification cylinder 3, purification cylinder 3 is arranged between upper end cover 1 and bottom end cover 2, microporous filter piece 6 leads to
Cross filter pressure ring 5 to be welded in upper end cover 1 or the groove of bottom end cover 2, the production technology of described ii type purification column include with
Lower step:
S1. punching press: 150 mesh filter screens are carried out cutting with diel；
S2. it is molded: upper end cover 1, bottom end cover 2, purification cylinder 3, connection ring 7, drainage screen 4, filter pressure ring 5 are noted respectively
Molded, the technological parameter of each assembly injection mo(u)lding is:
A, purification cylinder 3, raw material is mixing pp, and injection temperature is 230 DEG C, and injection pressure is 0.5mpa, injection time 5s,
Dwell time 8s, cool time 55s；
B, upper end cover 1, raw material is mixing pp, and injection temperature is 215 DEG C, and injection pressure is 0.4mpa, injection time 6s, protects
Pressure time 8s, cool time 50s；
C, bottom end cover 2, raw material is mixing pp, and injection temperature is 205 DEG C, and injection pressure is 0.35mpa, injection time 6s,
Dwell time 5s, cool time 50s；
D, filter pressure ring 5, raw material is pom plastics, and injection temperature is 175 DEG C, and injection pressure is 0.14mpa, during injection
Between 3s, dwell time 5s, cool time 30s；
Cut 150 mesh filter screens are first put in mould by e, drainage screen 4, and then the nozzle injection of injection machine goes out melting
The raw material of state covers the injection mo(u)lding that mould completes drainage screen 4；Raw material is pom plastics, and injection temperature is 195 DEG C, injection pressure
Power be 0.24mpa, injection time 3s, dwell time 6s, cool time 43s；
F, connection ring 7 raw material are mixing pp, and injection temperature is 175 DEG C, and injection pressure is 0.25mpa, injection time 1s, protects
Pressure time 2s, cool time 25s；
S3. make the pe sintering of plastics molding of microporous filter piece 6:325 mesh, then pass through stamping cutting die cutting；
S4. weld filter pressure ring 5: circular microporous filter piece 6 is respectively put into the correspondence position of upper and lower end cap 2, used
Filter disc pressure ring 5 pushes down microporous filter piece 6, puts in end cover welding machine, is welded and fixed, and welding parameter is, hot-die heating-up temperature 75
DEG C, heat time heating time 7s, air pressure 0.5mpa；
S5. it is welded to connect ring 7 and purification cylinder 3: connection ring 7 and purification cylinder 3 are respectively put in barrel soldering machine
In corresponding fixture, adjust welding parameter, start automatic welding, complete the welding of purification cylinder 3 lengthening, welding parameter is, hot-die
285 DEG C of heating-up temperature, joining day 5s, hardening time 35s, air pressure 0.6mp；
S6. welding bottom end cover 2 and purification cylinder 3: the purification cylinder 3 of bottom end cover 2 and two lengthenings is respectively put into hot plate
In corresponding fixture in bonding machine, adjust welding parameter, start automatic welding, complete the welding of bottom end cover 2, welding parameter is,
290 DEG C of hot-die heating-up temperature, heat time heating time 6s, hardening time 35s, air pressure 0.7mpa；
S7. resin or filtrate are loaded: respectively it is pressed into a drainage screen 4 into the above-mentioned purification cylinder 3 being welded bottom end cover 2,
Drainage screen 4 is pressed in the position closing on bottom end cover 2, then loads resin or filtrate respectively into purification cylinder 3, finally again in resin or
The upper end of filtrate is pressed into a drainage screen 4；
S8. weld upper end cover 1: upper end cover 1 and the above-mentioned purification cylinder 3 installing resin are respectively put into hot plate welding machine
In corresponding fixture, adjust welding parameter, start automatic welding, upper end cover 1 is just fabricated to a complete purification after being welded
Post, welding parameter is, 295 DEG C of hot-die heating-up temperature, heat time heating time 7s, hardening time: 38s, air pressure 0.75mpa.
Described mixing pp is mixed by pp material k8003 and pp material k4912 2:1 in mass ratio.
All connect using hot plate die welding in welding process, welding manner adopts end face and side welding manner.
The production technology of [embodiment 4] ii type purification column
Ii type purification column includes upper end cover 1, bottom end cover 2, the purification cylinder 3 being connected with connection ring 7, is arranged on purification cylinder
Drainage screen 4 in 3, purification cylinder 3 is arranged between upper end cover 1 and bottom end cover 2, and microporous filter piece 6 is welded by filter pressure ring 5
It is connected in upper end cover 1 or the groove of bottom end cover 2, the production technology of described ii type purification column comprises the following steps:
S1. punching press: 170 mesh filter screens are carried out cutting with diel；
S2. it is molded: upper end cover 1, bottom end cover 2, purification cylinder 3, connection ring 7, drainage screen 4, filter pressure ring 5 are noted respectively
Molded, the technological parameter of each assembly injection mo(u)lding is:
A, purification cylinder 3, raw material is mixing pp, and injection temperature is 230 DEG C, and injection pressure is 0.5mpa, injection time 5s,
Dwell time 8s, cool time 55s；
B, upper end cover 1, raw material is mixing pp, and injection temperature is 215 DEG C, and injection pressure is 0.4mpa, injection time 6s, protects
Pressure time 8s, cool time 50s；
C, bottom end cover 2, raw material is mixing pp, and injection temperature is 205 DEG C, and injection pressure is 0.35mpa, injection time 6s,
Dwell time 5s, cool time 50s；
D, filter pressure ring 5, raw material is pom plastics, and injection temperature is 175 DEG C, and injection pressure is 0.14mpa, during injection
Between 3s, dwell time 5s, cool time 35s；
Cut 170 mesh filter screens are first put in mould by e, drainage screen 4, and then the nozzle injection of injection machine goes out melting
The raw material of state covers the injection mo(u)lding that mould completes drainage screen 4；Raw material is pom plastics, and injection temperature is 200 DEG C, injection pressure
Power be 0.25mpa, injection time 4s, dwell time 7s, cool time 45s；
F, connection ring 7 raw material are mixing pp, and injection temperature is 180 DEG C, and injection pressure is 0.3mpa, injection time 2s, protects
Pressure time 4s, cool time 30s.
S3. make the pe sintering of plastics molding of microporous filter piece 6:330 mesh, then pass through stamping cutting die cutting；
S4. weld filter pressure ring 5: circular microporous filter piece 6 is respectively put into the correspondence position of upper and lower end cap 2, used
Filter disc pressure ring 5 pushes down microporous filter piece 6, puts in end cover welding machine, is welded and fixed, and welding parameter is, hot-die heating-up temperature 80
DEG C, heat time heating time 8s, air pressure 0.6mpa；
S5. it is welded to connect ring 7 and purification cylinder 3: connection ring 7 and purification cylinder 3 are respectively put in barrel soldering machine
In corresponding fixture, adjust welding parameter, start automatic welding, complete the welding of purification cylinder 3 lengthening, welding parameter is, hot-die
300 DEG C of heating-up temperature, joining day 7s, hardening time 40s, air pressure 0.8mp；
S6. welding bottom end cover 2 and purification cylinder 3: the purification cylinder 3 of bottom end cover 2 and two lengthenings is respectively put into hot plate
In corresponding fixture in bonding machine, adjust welding parameter, start automatic welding, complete the welding of bottom end cover 2, welding parameter is,
290 DEG C of hot-die heating-up temperature, heat time heating time 6s, hardening time 40s, air pressure 0.7mpa；
S7. resin or filtrate are loaded: respectively it is pressed into a drainage screen 4 into the above-mentioned purification cylinder 3 being welded bottom end cover 2,
Drainage screen 4 is pressed in the position closing on bottom end cover 2, then loads resin or filtrate respectively into purification cylinder 3, finally again in resin or
The upper end of filtrate is pressed into a drainage screen 4；
S8. weld upper end cover 1: upper end cover 1 and the above-mentioned purification cylinder 3 installing resin are respectively put into hot plate welding machine
In corresponding fixture, adjust welding parameter, start automatic welding, upper end cover 1 is just fabricated to a complete purification after being welded
Post, welding parameter is, 300 DEG C of hot-die heating-up temperature, heat time heating time 8s, hardening time: 40s, air pressure 0.8mpa.
Described mixing pp is mixed by pp material k8003 and pp material k4912 2:1 in mass ratio.
All connect using hot plate die welding in welding process, welding manner adopts end face and side welding manner.
The production technology of [embodiment 5] ii type purification column
Ii type purification column includes upper end cover 1, bottom end cover 2, the purification cylinder 3 being connected with connection ring 7, is arranged on purification cylinder
Drainage screen 4 in 3, purification cylinder 3 is arranged between upper end cover 1 and bottom end cover 2, and microporous filter piece 6 is welded by filter pressure ring 5
It is connected in upper end cover 1 or the groove of bottom end cover 2, the production technology of described ii type purification column comprises the following steps:
S1. punching press: 170 mesh filter screens are carried out cutting with diel；
S2. it is molded: upper end cover 1, bottom end cover 2, purification cylinder 3, connection ring 7, drainage screen 4, filter pressure ring 5 are noted respectively
Molded, the technological parameter of each assembly injection mo(u)lding is:
A, purification cylinder 3, raw material is mixing pp, and injection temperature is 230 DEG C, and injection pressure is 0.5mpa, injection time 5s,
Dwell time 8s, cool time 55s；
B, upper end cover 1, raw material is mixing pp, and injection temperature is 215 DEG C, and injection pressure is 0.4mpa, injection time 6s, protects
Pressure time 8s, cool time 50s；
C, bottom end cover 2, raw material is mixing pp, and injection temperature is 205 DEG C, and injection pressure is 0.35mpa, injection time 6s,
Dwell time 5s, cool time 50s；
D, filter pressure ring 5, raw material is pom plastics, and injection temperature is 175 DEG C, and injection pressure is 0.14mpa, during injection
Between 3s, dwell time 5s, cool time 35s；
Cut 170 mesh filter screens are first put in mould by e, drainage screen 4, and then the nozzle injection of injection machine goes out melting
The raw material of state covers the injection mo(u)lding that mould completes drainage screen 4；Raw material is pom plastics, and injection temperature is 200 DEG C, injection pressure
Power be 0.25mpa, injection time 4s, dwell time 7s, cool time 45s；
F, connection ring 7 raw material are mixing pp, and injection temperature is 180 DEG C, and injection pressure is 0.3mpa, injection time 2s, protects
Pressure time 4s, cool time 30s；
S3. make the pe sintering of plastics molding of microporous filter piece 6:330 mesh, then pass through stamping cutting die cutting；
S4. weld filter pressure ring 5: circular microporous filter piece 6 is respectively put into the correspondence position of upper and lower end cap 2, used
Filter disc pressure ring 5 pushes down microporous filter piece 6, puts in end cover welding machine, is welded and fixed, and welding parameter is, hot-die heating-up temperature 80
DEG C, heat time heating time 8s, air pressure 0.6mpa；
S5. it is welded to connect ring 7 and purification cylinder 3: connection ring 7 and purification cylinder 3 are respectively put in barrel soldering machine
In corresponding fixture, adjust welding parameter, start automatic welding, complete the welding of purification cylinder 3 lengthening, welding parameter is, hot-die
300 DEG C of heating-up temperature, joining day 7s, hardening time 40s, air pressure 0.8mp；
S6. welding bottom end cover 2 and purification cylinder 3: the purification cylinder 3 of bottom end cover 2 and two lengthenings is respectively put into hot plate
In corresponding fixture in bonding machine, adjust welding parameter, start automatic welding, complete the welding of bottom end cover 2, welding parameter is,
290 DEG C of hot-die heating-up temperature, heat time heating time 6s, hardening time 40s, air pressure 0.7mpa；
S7. resin or filtrate are loaded: respectively it is pressed into a drainage screen 4 into the above-mentioned purification cylinder 3 being welded bottom end cover 2,
Drainage screen 4 is pressed in the position closing on bottom end cover 2, then loads resin or filtrate respectively into purification cylinder 3, finally again in resin or
The upper end of filtrate is pressed into a drainage screen 4；
S8. weld upper end cover 1: upper end cover 1 and the above-mentioned purification cylinder 3 installing resin are respectively put into hot plate welding machine
In corresponding fixture, adjust welding parameter, start automatic welding, upper end cover 1 is just fabricated to a complete purification after being welded
Post, welding parameter is, 300 DEG C of hot-die heating-up temperature, heat time heating time 8s, hardening time: 40s, air pressure 0.8mpa.
Described mixing pp is mixed by pp material k8003 and pp material k4912 2:1 in mass ratio.
All connect using hot plate die welding in welding process, welding manner adopts end face and side welding manner.
Claims (4)
1. a kind of purification column production technology for demineralizer, described purification column include upper end cover (1), bottom end cover (2), one
Or multiple purification cylinder (3), the drainage screen (4) being arranged in purification cylinder (3), purification cylinder (3) be arranged on upper end cover (1) and
Between bottom end cover (2), microporous filter piece (6) is welded in upper end cover (1) or the groove of bottom end cover (2) by filter pressure ring (5)
Interior it is characterised in that described production technology comprises the following steps:
S1. punching press: 120 ~ 170 mesh filter screens are carried out cutting with diel；
S2. it is molded: upper end cover (1), bottom end cover (2), purification cylinder (3), drainage screen (4) and filter pressure ring (6) are noted respectively
Molded, the technological parameter of each assembly injection mo(u)lding is:
A, purification cylinder (3), raw material is mixing pp, and injection temperature is 200 ~ 240 DEG C, and injection pressure is 0.4 ~ 0.6mpa, injection
Time 3 ~ 8s, dwell time 5 ~ 12s, cool time 45 ~ 60s；
B, upper end cover (1), raw material is mixing pp, and injection temperature is 200 ~ 220 DEG C, and injection pressure is 0.3 ~ 0.5mpa, during injection
Between 2 ~ 7s, dwell time 4 ~ 10s, cool time 40 ~ 55s；
C, bottom end cover (2), raw material is mixing pp, and injection temperature is 190 ~ 210 DEG C, and injection pressure is 0.3 ~ 0.4mpa, during injection
Between 2 ~ 7s, dwell time 4 ~ 6s, cool time 40 ~ 55s；
D, filter pressure ring (5), raw material is pom plastics, and injection temperature is 160 ~ 180 DEG C, and injection pressure is 0.1 ~ 0.15mpa,
Injection time 1 ~ 4s, dwell time 2 ~ 6s, cool time 25 ~ 35s；
E, drainage screen (4), raw material is pom plastics, and injection temperature is 190 ~ 200 DEG C, and injection pressure is 0.2 ~ 0.25mpa, injection
Time 1 ~ 4s, dwell time 2 ~ 7s, cool time 30 ~ 45s；
S3. make microporous filter piece (6): the pe sintering of plastics molding of 280 ~ 330 mesh, by stamping cutting die cutting；
S4. welding filter pressure ring (5): circular microporous filter piece (6) is respectively put into the correspondence position of upper and lower end cap, with filtering
Piece pressure ring (5) pushes down microporous filter piece (6), puts in end cover welding machine, is welded and fixed, and welding parameter is, hot-die heating-up temperature
60 ~ 80 DEG C, heat time heating time 3 ~ 8s, air pressure 0.3 ~ 0.6mpa；
S5. welding bottom end cover (2) and purification cylinder (3): bottom end cover (2) and purification cylinder (3) are respectively put into hot plate welding machine
Corresponding fixture in, adjust welding parameter, start automatic welding, complete the welding of bottom end cover (2), welding parameter is that hot-die adds
260 ~ 300 DEG C of hot temperature, heat time heating time 2 ~ 7s, hardening time 25 ~ 40s, air pressure 0.4 ~ 0.8mpa；
S6. resin or filtrate are loaded: into the above-mentioned purification cylinder (3) being welded bottom end cover (2), be respectively pressed into a drainage screen
(4), drainage screen (4) is pressed in the position closing on bottom end cover (2), then loads resin or filtrate respectively into purification cylinder (3), finally
It is pressed into a drainage screen (4) in the upper end of resin or filtrate again；
S7. welding upper end cover (1): upper end cover (1) and the above-mentioned purification cylinder (3) installing resin are respectively put into hot plate welding machine
Corresponding fixture in, adjust welding parameter, start automatic welding, upper end cover (1) be just fabricated to after being welded one complete
Purification column, welding parameter is, 260 ~ 300 DEG C of hot-die heating-up temperature, heat time heating time 2 ~ 8s, hardening time: 20 ~ 40s, air pressure 0.4 ~
0.8mpa；
Described mixing pp is mixed by pp material k8003 and pp material k4912 2:1 in mass ratio.
2. a kind of purification column production technology for demineralizer according to claim 1 it is characterised in that step s4 with
Between step s5, also include a step being welded to connect ring (7) and purification cylinder (3): by connection ring (7) and purification cylinder
(3) it is respectively put in the corresponding fixture of barrel soldering machine, adjusts welding parameter, start automatic welding, complete purification cylinder (3) and add
Long, welding parameter is, 250 ~ 290 DEG C of hot-die heating-up temperature, joining day 2 ~ 6s, hardening time 25 ~ 40s, air pressure 0.2 ~
0.7mp.
3. a kind of purification column production technology for demineralizer according to claim 2 is it is characterised in that described connection
The injection-mold process parameter of ring (7) is: connection ring (7) raw material is mixing pp, and injection temperature is 160 ~ 180 DEG C, injection pressure
For 0.2 ~ 0.3mpa, injection time 2s, dwell time 4s, cool time 30s.
4. a kind of purification column production technology for demineralizer according to claim 1 and 2 was it is characterised in that welded
Cheng Zhongjun is connect using hot plate die welding, and welding manner adopts end face and side welding manner.
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| CN105797485A (en) * | 2016-03-21 | 2016-07-27 | 西安天厚滤清技术有限责任公司 | Polyamide filter element obtained through sweat soldering and manufacturing method thereof |
| CN109045851A (en) * | 2018-07-17 | 2018-12-21 | 沧州海固安全防护科技有限公司 | The technological process of production of secondary filtration part |
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| CN202078805U (en) * | 2011-05-19 | 2011-12-21 | 邓建平 | Integral purifying column of super-pure water system |
| JP2012080966A (en) * | 2010-10-07 | 2012-04-26 | Japan Steel Works Ltd:The | Body fluid cleaning column, method for manufacturing the same, and manufacturing device |
| CN203816397U (en) * | 2014-05-07 | 2014-09-10 | 吴焕雄 | Novel filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012080966A (en) * | 2010-10-07 | 2012-04-26 | Japan Steel Works Ltd:The | Body fluid cleaning column, method for manufacturing the same, and manufacturing device |
| CN202078805U (en) * | 2011-05-19 | 2011-12-21 | 邓建平 | Integral purifying column of super-pure water system |
| CN203816397U (en) * | 2014-05-07 | 2014-09-10 | 吴焕雄 | Novel filter |
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