CN104961192A - 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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- CN104961192A CN104961192A CN201510301636.4A CN201510301636A CN104961192A CN 104961192 A CN104961192 A CN 104961192A CN 201510301636 A CN201510301636 A CN 201510301636A CN 104961192 A CN104961192 A CN 104961192A
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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 technique for water purifior.
Background technology
Purification column is a kind of is the water purification equipment produced for pure water, and purification column mainly comprises, purification column cylindrical shell, upper end cover 1, lower end cover, exchange resin, filtering net or filter.The purification column sold in the market adopts extrusion moulding mostly, and extrusion moulding is by the ring-like space of material by being made up of mouth mould and core, forms pipe, then by shaping and cooling, obtains any surface finish, size and geometrical shape tubing accurately.Conventional method for shaping adopts external diameter sizing, and the pipe namely through extruding, by the internal diameter sizing sleeve identical with product external diameter, utilizes pressure reduction to make pipe be close to shaping cover inwall, thus can obtain external diameter tubing accurately; In order to cause pressure reduction, pressurized air can be passed in pipe, also can cause negative pressure outside pipe.Extruding-out process is simple, but adopts extruding-out process to produce purification column, the cylinder tube wall thickness of purification column may be caused uneven, and the circumferential angle of pipe is irregular.How to provide that a kind of thickness of pipe is even, circumferential angle is regular, and good airproof performance, the purification column that ultimate compression strength is high is the problem that those skilled in the art need solution badly.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the purification column production technique that a kind of Large Copacity, resistance to impact shock are strong, thickness of pipe is even, practical is provided.
The object of the invention is to be achieved through the following technical solutions:
A kind of purification column production technique for water purifior, described purification column comprises upper end cover, lower end cover, one or more purifying cylinder, the filtering net be arranged in purifying cylinder, purifying cylinder is arranged between upper end cover and lower end cover, millipore filtration sheet is welded in the groove of upper end cover or lower end cover by filter pressure ring, and described production technique comprises the following steps:
S1. punching press: cutting is carried out in 120 ~ 170 mesh filter screen press tools;
S2. injection moulding: by the injection moulding respectively of upper end cover, lower end cover, purifying cylinder, filtering net and filter pressure ring, the processing parameter of each assembly injection moulding is:
A, purifying cylinder, raw material for mixing PP, injection temperature is 200 ~ 240 DEG C, and injection pressure is 0.4 ~ 0.6MPa, injection time 3 ~ 8s, dwell time 5 ~ 12s, cooling time 45 ~ 60s;
B, upper end cover, raw material for mixing PP, injection temperature is 200 ~ 220 DEG C, and injection pressure is 0.3 ~ 0.5MPa, injection time 2 ~ 7s, dwell time 4 ~ 10s, cooling time 40 ~ 55s;
C, lower end cover, raw material for mixing PP, injection temperature is 190 ~ 210 DEG C, and injection pressure is 0.3 ~ 0.4MPa, injection time 2 ~ 7s, dwell time 4 ~ 6s, cooling time 40 ~ 55s;
D, filter pressure ring, raw material is POM plastic, and injection temperature is 160 ~ 180 DEG C, and injection pressure is 0.1 ~ 0.15MPa, injection time 1 ~ 4s, dwell time 2 ~ 6s, cooling time 25 ~ 35s;
E, filtering net, raw material is POM plastic, and injection temperature is 190 ~ 200 DEG C, and injection pressure is 0.2 ~ 0.25MPa, injection time 1 ~ 4s, dwell time 2 ~ 7s, cooling time 30 ~ 45s;
S3. millipore filtration sheet is made: 280 ~ 330 object PE sintering of plastics are shaping, by stamping cutting die cutting;
S4. weld filter pressure ring: the correspondence position circular millipore filtration sheet being put into respectively upper and lower end cap, push down millipore filtration sheet with filter pressure ring, put into end cover welding machine, be welded and fixed, welding setting is, hot-die Heating temperature 60 ~ 80 DEG C, heat-up time 3 ~ 8S, air pressure 0.3 ~ 0.6MPa;
S5. lower end cover and purifying cylinder is welded: corresponding fixture lower end cover and purifying cylinder being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, complete the welding of lower end cover, welding setting is, hot-die Heating temperature 260 ~ 300 DEG C, heat-up time 2 ~ 7s, set time 25 ~ 40s, air pressure 0.4 ~ 0.8MPa;
S6. resin or filtrate is loaded: each press-in filtering net in the above-mentioned purifying cylinder having welded lower end cover, filtering net is pressed in the position closing on lower end cover, again respectively to purifying cylinder in-built enter resin or filtrate, be finally pressed into a filtering net in the upper end of resin or filtrate again;
S7. upper end cover is welded: corresponding fixture upper end cover and the above-mentioned purifying cylinder installing resin being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, a complete purification column is just made into after upper end cover welds, welding setting is, hot-die Heating temperature 260 ~ 300 DEG C, heat-up time 2 ~ 8s, set time: 20 ~ 40s, air pressure 0.4 ~ 0.8MPa.
A kind of purification column production technique for water purifior, between step S4 and step S5, also comprise the step that is welded to connect ring and purifying cylinder: corresponding fixture shack and purifying cylinder being put into respectively barrel soldering machine, regulate welding setting, start automatic welding, complete purifying cylinder to lengthen, welding setting is, hot-die Heating temperature 250 ~ 290 DEG C, joining day 2 ~ 6s, set time 25 ~ 40s, air pressure 0.2 ~ 0.7MP.
The injection-mold process parameter of described shack is: shack raw material for mixing PP, injection temperature is 160 ~ 180 DEG C, and injection pressure is 0.2 ~ 0.3MPa, injection time 2s, dwell time 4s, cooling time 30s.
Described mixing PP by PP material K8003 and PP material K4912 in mass ratio 2:1 mix.
All adopt hot plate die welding to connect in welding process, welding process adopts end face and side welding process.
The invention has the beneficial effects as follows:
(1) the PP material non-toxic adopted, tasteless, density is little, good heat resistance, and stable chemical performance, absorbs water hardly, has excellent mechanical property, and its tensile strength only can reach 30MPa or slightly high level.
(2) production of purification column adopts injection molding process, it is few that injection molding process adds auxiliary material, the product size precision of producing is high, thickness of pipe is even, and cylindrical shell cylindricity is high, and product can disposal molding, process without the need to postorder, and injection moulding production efficiency is high, production cost is low, can be good at ensureing postorder welding.
(3) in welding process, adopt welding machine hot plate die welding to connect, welding process adopts end face and side welding, effectively can ensure the stopping property after welding and anti-pressure ability.
(4) the present invention is convenient to install, can single use, and without the need to changing resin, client is convenient in use.
Accompanying drawing explanation
Fig. 1 is I type purification column schematic diagram;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is II type purification column schematic diagram;
Fig. 4 is the B-B sectional view of Fig. 3;
In figure, 1-upper end cover, 2-lower end cover, 3-purifying cylinder, 4-filtering net, 5-filter pressure ring, 6-millipore filtration sheet, 7-shack.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
The production technique of [embodiment 1] I type purification column
I type purification column comprises upper end cover 1, lower end cover 2, one or more purifying cylinder 3, the filtering net 4 be arranged in purifying cylinder 3 as illustrated in fig. 1 and 2, purifying cylinder 3 is arranged between upper end cover 1 and lower end cover 2, millipore filtration sheet 6 is welded in the groove of upper end cover 1 or lower end cover 2 by filter pressure ring 5, and described production technique comprises the following steps:
S1. punching press: cutting is carried out in 120 mesh filter screen press tools;
S2. injection moulding: by upper end cover 1, lower end cover 2, purifying cylinder 3, filtering net 4, filter pressure ring 5 injection moulding respectively, the processing parameter of each assembly injection moulding is:
A, purifying cylinder 3, raw material for mixing PP, injection temperature is 200 DEG C, and injection pressure is 0.4MPa, injection time 3s, dwell time 5s, cooling time 45s;
B, upper end cover 1, raw material for mixing PP, injection temperature is 200 DEG C, and injection pressure is 0.3MPa, injection time 2s, dwell time 4s, cooling time 40s;
C, lower end cover 2, raw material for mixing PP, injection temperature is 190 DEG C, and injection pressure is 0.3MPa, injection time 2s, dwell time 4s, cooling time 40s;
D, filter pressure ring 5, raw material is POM plastic, and injection temperature is 160 DEG C, and injection pressure is 0.1MPa, injection time 1s, dwell time 2s, cooling time 25s;
120 mesh filter screens cut first are put into mould by e, filtering net 4, and the raw material that then nozzle injection of injection moulding machine goes out molten state covers mould and completes the injection moulding of filtering net 4; Raw material is POM plastic, and injection temperature is 190 DEG C, and injection pressure is 0.2MPa, injection time 1s, dwell time 2s, cooling time 30s;
S3. millipore filtration sheet 6:280 object PE sintering of plastics is made shaping, then by stamping cutting die cutting;
S4. weld filter pressure ring 5: the correspondence position circular millipore filtration sheet 6 being put into respectively upper and lower end cap 2, push down millipore filtration sheet 6 with filter pressure ring 5, put into end cover welding machine, be welded and fixed, welding setting is, hot-die Heating temperature 60 DEG C, heat-up time 3S, air pressure 0.3MPa;
S5. lower end cover 2 and purifying cylinder 3 is welded: corresponding fixture lower end cover 2 and two purifying cylinders 3 being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, complete the welding of lower end cover 2, welding setting is, hot-die Heating temperature 260 DEG C, heat-up time 2s, set time 25s, air pressure 0.4MPa;
S6. resin or filtrate is loaded: each press-in filtering net 4 in the above-mentioned purifying cylinder 3 having welded lower end cover 2, filtering net 4 is pressed in the position closing on lower end cover 2, load resin or filtrate respectively in purifying cylinder 3 again, be finally pressed into a filtering net 4 in the upper end of resin or filtrate again;
S7. upper end cover 1 is welded: corresponding fixture upper end cover 1 and the above-mentioned purifying cylinder 3 installing resin being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, upper end cover 1 welding is well just made into a complete purification column later, welding setting is, hot-die Heating temperature 260 DEG C, heat-up time 2s, set time 20s, air pressure 0.4MPa.
Described mixing PP by PP material K8003 and PP material K4912 in mass ratio 2:1 mix.
All adopt hot plate die welding to connect in welding process, welding process adopts end face and side welding process.
The production technique of [embodiment 2] I type purification column
I type purification column comprises upper end cover 1, lower end cover 2, one or more purifying cylinder 3, the filtering net 4 be arranged in purifying cylinder 3, purifying cylinder 3 is arranged between upper end cover 1 and lower end cover 2, millipore filtration sheet 6 is welded in the groove of upper end cover 1 or lower end cover 2 by filter pressure ring 5, and described production technique comprises the following steps:
S1. punching press: cutting is carried out in 130 mesh filter screen press tools;
S2. injection moulding: by upper end cover 1, lower end cover 2, purifying cylinder 3, filtering net 4, filter pressure ring 5 injection moulding respectively, the processing parameter of each assembly injection moulding is as follows:
A, purifying cylinder 3, raw material for mixing PP, injection temperature is 205 DEG C, and injection pressure is 0.45MPa, injection time 4s, dwell time 6s, cooling time 48s;
B, upper end cover 1, raw material for mixing PP, injection temperature is 210 DEG C, and injection pressure is 0.35MPa, injection time 3s, dwell time 5s, cooling time 42s;
C, lower end cover 2, raw material for mixing PP, injection temperature is 195 DEG C, and injection pressure is 0.35MPa, injection time 3s, dwell time 5s, cooling time 42s;
D, filter pressure ring 5, raw material is POM plastic, and injection temperature is 165 DEG C, and injection pressure is 0.12MPa, injection time 2s, dwell time 3s, cooling time 28s;
130 mesh filter screens cut first are put into mould by e, filtering net 4, and the raw material that then nozzle injection of injection moulding machine goes out molten state covers mould and completes the injection moulding of filtering net 4; Raw material is POM plastic, and injection temperature is 195 DEG C, and injection pressure is 0.23MPa, injection time 2s, dwell time 3s, cooling time 32s;
S3. millipore filtration sheet 6:290 object PE sintering of plastics is made shaping, then by stamping cutting die cutting;
S4. weld filter pressure ring 5: the correspondence position circular millipore filtration sheet 6 being put into respectively upper and lower end cap 2, push down millipore filtration sheet 6 with filter pressure ring 5, put into end cover welding machine, be welded and fixed, welding setting is, hot-die Heating temperature 65 DEG C, heat-up time 4S, air pressure 0.4MPa;
S5. lower end cover 2 and purifying cylinder 3 is welded: corresponding fixture lower end cover 2 and two purifying cylinders 3 being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, complete the welding of lower end cover 2, welding setting is, hot-die Heating temperature 270 DEG C, heat-up time 3s, set time 27s, air pressure 0.5MPa;
S6. resin or filtrate is loaded: each press-in filtering net 4 in the above-mentioned purifying cylinder 3 having welded lower end cover 2, filtering net 4 is pressed in the position closing on lower end cover 2, load resin or filtrate respectively in purifying cylinder 3 again, be finally pressed into a filtering net 4 in the upper end of resin or filtrate again;
S7. upper end cover 1 is welded: corresponding fixture upper end cover 1 and the above-mentioned purifying cylinder 3 installing resin being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, upper end cover 1 welding is well just made into a complete purification column later, welding setting is, hot-die Heating temperature 270 DEG C, heat-up time 4s, set time: 25s, air pressure 0.5MPa.
Described mixing PP by PP material K8003 and PP material K4912 in mass ratio 2:1 mix.
All adopt hot plate die welding to connect in welding process, welding process adopts end face and side welding process.
The production technique of [embodiment 3] II type purification column
As shown in Figures 3 and 4, II type purification column comprises upper end cover 1, lower end cover 2, the purifying cylinder 3, the filtering net 4 be arranged in purifying cylinder 3 that connect with shack 7, purifying cylinder 3 is arranged between upper end cover 1 and lower end cover 2, millipore filtration sheet 6 is welded in the groove of upper end cover 1 or lower end cover 2 by filter pressure ring 5, and the production technique of described II type purification column comprises the following steps:
S1. punching press: cutting is carried out in 150 mesh filter screen press tools;
S2. injection moulding: by upper end cover 1, lower end cover 2, purifying cylinder 3, shack 7, filtering net 4, filter pressure ring 5 injection moulding respectively, the processing parameter of each assembly injection moulding is:
A, purifying cylinder 3, raw material for mixing PP, injection temperature is 230 DEG C, and injection pressure is 0.5MPa, injection time 5s, dwell time 8s, cooling time 55s;
B, upper end cover 1, raw material for mixing PP, injection temperature is 215 DEG C, and injection pressure is 0.4MPa, injection time 6s, dwell time 8s, cooling time 50s;
C, lower end cover 2, raw material for mixing PP, injection temperature is 205 DEG C, and injection pressure is 0.35MPa, injection time 6s, dwell time 5s, cooling time 50s;
D, filter pressure ring 5, raw material is POM plastic, and injection temperature is 175 DEG C, and injection pressure is 0.14MPa, injection time 3s, dwell time 5s, cooling time 30s;
150 mesh filter screens cut first are put into mould by e, filtering net 4, and the raw material that then nozzle injection of injection moulding machine goes out molten state covers mould and completes the injection moulding of filtering net 4; Raw material is POM plastic, and injection temperature is 195 DEG C, and injection pressure is 0.24MPa, injection time 3s, dwell time 6s, cooling time 43s;
F, shack 7 raw material for mixing PP, injection temperature is 175 DEG C, and injection pressure is 0.25MPa, injection time 1s, dwell time 2s, cooling time 25s;
S3. millipore filtration sheet 6:325 object PE sintering of plastics is made shaping, then by stamping cutting die cutting;
S4. weld filter pressure ring 5: the correspondence position circular millipore filtration sheet 6 being put into respectively upper and lower end cap 2, push down millipore filtration sheet 6 with filter pressure ring 5, put into end cover welding machine, be welded and fixed, welding setting is, hot-die Heating temperature 75 DEG C, heat-up time 7S, air pressure 0.5MPa;
S5. ring 7 and purifying cylinder 3 is welded to connect: corresponding fixture shack 7 and purifying cylinder 3 being put into respectively barrel soldering machine, regulate welding setting, start automatic welding, complete the welding that purifying cylinder 3 lengthens, welding setting is, hot-die Heating temperature 285 DEG C, joining day 5s, set time 35s, air pressure 0.6MP;
S6. lower end cover 2 and purifying cylinder 3 is welded: corresponding fixture lower end cover 2 and two purifying cylinders 3 lengthened being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, complete the welding of lower end cover 2, welding setting is, hot-die Heating temperature 290 DEG C, heat-up time 6s, set time 35s, air pressure 0.7MPa;
S7. resin or filtrate is loaded: each press-in filtering net 4 in the above-mentioned purifying cylinder 3 having welded lower end cover 2, filtering net 4 is pressed in the position closing on lower end cover 2, load resin or filtrate respectively in purifying cylinder 3 again, be finally pressed into a filtering net 4 in the upper end of resin or filtrate again;
S8. upper end cover 1 is welded: corresponding fixture upper end cover 1 and the above-mentioned purifying cylinder 3 installing resin being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, upper end cover 1 welding is well just made into a complete purification column later, welding setting is, hot-die Heating temperature 295 DEG C, heat-up time 7s, set time: 38s, air pressure 0.75MPa.
Described mixing PP by PP material K8003 and PP material K4912 in mass ratio 2:1 mix.
All adopt hot plate die welding to connect in welding process, welding process adopts end face and side welding process.
The production technique of [embodiment 4] II type purification column
II type purification column comprises upper end cover 1, lower end cover 2, the purifying cylinder 3, the filtering net 4 be arranged in purifying cylinder 3 that connect with shack 7, purifying cylinder 3 is arranged between upper end cover 1 and lower end cover 2, millipore filtration sheet 6 is welded in the groove of upper end cover 1 or lower end cover 2 by filter pressure ring 5, and the production technique of described II type purification column comprises the following steps:
S1. punching press: cutting is carried out in 170 mesh filter screen press tools;
S2. injection moulding: by upper end cover 1, lower end cover 2, purifying cylinder 3, shack 7, filtering net 4, filter pressure ring 5 injection moulding respectively, the processing parameter of each assembly injection moulding is:
A, purifying cylinder 3, raw material for mixing PP, injection temperature is 230 DEG C, and injection pressure is 0.5MPa, injection time 5s, dwell time 8s, cooling time 55s;
B, upper end cover 1, raw material for mixing PP, injection temperature is 215 DEG C, and injection pressure is 0.4MPa, injection time 6s, dwell time 8s, cooling time 50s;
C, lower end cover 2, raw material for mixing PP, injection temperature is 205 DEG C, and injection pressure is 0.35MPa, injection time 6s, dwell time 5s, cooling time 50s;
D, filter pressure ring 5, raw material is POM plastic, and injection temperature is 175 DEG C, and injection pressure is 0.14MPa, injection time 3s, dwell time 5s, cooling time 35s;
170 mesh filter screens cut first are put into mould by e, filtering net 4, and the raw material that then nozzle injection of injection moulding machine goes out molten state covers mould and completes the injection moulding of filtering net 4; Raw material is POM plastic, and injection temperature is 200 DEG C, and injection pressure is 0.25MPa, injection time 4s, dwell time 7s, cooling time 45s;
F, shack 7 raw material for mixing PP, injection temperature is 180 DEG C, and injection pressure is 0.3MPa, injection time 2s, dwell time 4s, cooling time 30s.
S3. millipore filtration sheet 6:330 object PE sintering of plastics is made shaping, then by stamping cutting die cutting;
S4. weld filter pressure ring 5: the correspondence position circular millipore filtration sheet 6 being put into respectively upper and lower end cap 2, push down millipore filtration sheet 6 with filter pressure ring 5, put into end cover welding machine, be welded and fixed, welding setting is, hot-die Heating temperature 80 DEG C, heat-up time 8S, air pressure 0.6MPa;
S5. ring 7 and purifying cylinder 3 is welded to connect: corresponding fixture shack 7 and purifying cylinder 3 being put into respectively barrel soldering machine, regulate welding setting, start automatic welding, complete the welding that purifying cylinder 3 lengthens, welding setting is, hot-die Heating temperature 300 DEG C, joining day 7s, set time 40s, air pressure 0.8MP;
S6. lower end cover 2 and purifying cylinder 3 is welded: corresponding fixture lower end cover 2 and two purifying cylinders 3 lengthened being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, complete the welding of lower end cover 2, welding setting is, hot-die Heating temperature 290 DEG C, heat-up time 6s, set time 40s, air pressure 0.7MPa;
S7. resin or filtrate is loaded: each press-in filtering net 4 in the above-mentioned purifying cylinder 3 having welded lower end cover 2, filtering net 4 is pressed in the position closing on lower end cover 2, load resin or filtrate respectively in purifying cylinder 3 again, be finally pressed into a filtering net 4 in the upper end of resin or filtrate again;
S8. upper end cover 1 is welded: corresponding fixture upper end cover 1 and the above-mentioned purifying cylinder 3 installing resin being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, upper end cover 1 welding is well just made into a complete purification column later, welding setting is, hot-die Heating temperature 300 DEG C, heat-up time 8s, set time: 40s, air pressure 0.8MPa.
Described mixing PP by PP material K8003 and PP material K4912 in mass ratio 2:1 mix.
All adopt hot plate die welding to connect in welding process, welding process adopts end face and side welding process.
The production technique of [embodiment 5] II type purification column
II type purification column comprises upper end cover 1, lower end cover 2, the purifying cylinder 3, the filtering net 4 be arranged in purifying cylinder 3 that connect with shack 7, purifying cylinder 3 is arranged between upper end cover 1 and lower end cover 2, millipore filtration sheet 6 is welded in the groove of upper end cover 1 or lower end cover 2 by filter pressure ring 5, and the production technique of described II type purification column comprises the following steps:
S1. punching press: cutting is carried out in 170 mesh filter screen press tools;
S2. injection moulding: by upper end cover 1, lower end cover 2, purifying cylinder 3, shack 7, filtering net 4, filter pressure ring 5 injection moulding respectively, the processing parameter of each assembly injection moulding is:
A, purifying cylinder 3, raw material for mixing PP, injection temperature is 230 DEG C, and injection pressure is 0.5MPa, injection time 5s, dwell time 8s, cooling time 55s;
B, upper end cover 1, raw material for mixing PP, injection temperature is 215 DEG C, and injection pressure is 0.4MPa, injection time 6s, dwell time 8s, cooling time 50s;
C, lower end cover 2, raw material for mixing PP, injection temperature is 205 DEG C, and injection pressure is 0.35MPa, injection time 6s, dwell time 5s, cooling time 50s;
D, filter pressure ring 5, raw material is POM plastic, and injection temperature is 175 DEG C, and injection pressure is 0.14MPa, injection time 3s, dwell time 5s, cooling time 35s;
170 mesh filter screens cut first are put into mould by e, filtering net 4, and the raw material that then nozzle injection of injection moulding machine goes out molten state covers mould and completes the injection moulding of filtering net 4; Raw material is POM plastic, and injection temperature is 200 DEG C, and injection pressure is 0.25MPa, injection time 4s, dwell time 7s, cooling time 45s;
F, shack 7 raw material for mixing PP, injection temperature is 180 DEG C, and injection pressure is 0.3MPa, injection time 2s, dwell time 4s, cooling time 30s;
S3. millipore filtration sheet 6:330 object PE sintering of plastics is made shaping, then by stamping cutting die cutting;
S4. weld filter pressure ring 5: the correspondence position circular millipore filtration sheet 6 being put into respectively upper and lower end cap 2, push down millipore filtration sheet 6 with filter pressure ring 5, put into end cover welding machine, be welded and fixed, welding setting is, hot-die Heating temperature 80 DEG C, heat-up time 8S, air pressure 0.6MPa;
S5. ring 7 and purifying cylinder 3 is welded to connect: corresponding fixture shack 7 and purifying cylinder 3 being put into respectively barrel soldering machine, regulate welding setting, start automatic welding, complete the welding that purifying cylinder 3 lengthens, welding setting is, hot-die Heating temperature 300 DEG C, joining day 7s, set time 40s, air pressure 0.8MP;
S6. lower end cover 2 and purifying cylinder 3 is welded: corresponding fixture lower end cover 2 and two purifying cylinders 3 lengthened being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, complete the welding of lower end cover 2, welding setting is, hot-die Heating temperature 290 DEG C, heat-up time 6s, set time 40s, air pressure 0.7MPa;
S7. resin or filtrate is loaded: each press-in filtering net 4 in the above-mentioned purifying cylinder 3 having welded lower end cover 2, filtering net 4 is pressed in the position closing on lower end cover 2, load resin or filtrate respectively in purifying cylinder 3 again, be finally pressed into a filtering net 4 in the upper end of resin or filtrate again;
S8. upper end cover 1 is welded: corresponding fixture upper end cover 1 and the above-mentioned purifying cylinder 3 installing resin being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, upper end cover 1 welding is well just made into a complete purification column later, welding setting is, hot-die Heating temperature 300 DEG C, heat-up time 8s, set time: 40s, air pressure 0.8MPa.
Described mixing PP by PP material K8003 and PP material K4912 in mass ratio 2:1 mix.
All adopt hot plate die welding to connect in welding process, welding process adopts end face and side welding process.
Claims (5)
1. the purification column production technique for water purifior, described purification column comprises upper end cover (1), lower end cover (2), one or more purifying cylinder (3), the filtering net (4) be arranged in purifying cylinder (3), purifying cylinder (3) is arranged between upper end cover (1) and lower end cover (2), millipore filtration sheet (6) is welded in the groove of upper end cover (1) or lower end cover (2) by filter pressure ring (5), it is characterized in that, described production technique comprises the following steps:
S1. punching press: cutting is carried out in 120 ~ 170 mesh filter screen press tools;
S2. injection moulding: by the injection moulding respectively of upper end cover (1), lower end cover (2), purifying cylinder (3), filtering net (4) and filter pressure ring (6), the processing parameter of each assembly injection moulding is:
A, purifying cylinder (3), raw material for mixing PP, injection temperature is 200 ~ 240 DEG C, and injection pressure is 0.4 ~ 0.6MPa, injection time 3 ~ 8s, dwell time 5 ~ 12s, cooling time 45 ~ 60s;
B, upper end cover (1), raw material for mixing PP, injection temperature is 200 ~ 220 DEG C, and injection pressure is 0.3 ~ 0.5MPa, injection time 2 ~ 7s, dwell time 4 ~ 10s, cooling time 40 ~ 55s;
C, lower end cover (2), raw material for mixing PP, injection temperature is 190 ~ 210 DEG C, and injection pressure is 0.3 ~ 0.4MPa, injection time 2 ~ 7s, dwell time 4 ~ 6s, cooling time 40 ~ 55s;
D, filter pressure ring (5), raw material is POM plastic, and injection temperature is 160 ~ 180 DEG C, and injection pressure is 0.1 ~ 0.15MPa, injection time 1 ~ 4s, dwell time 2 ~ 6s, cooling time 25 ~ 35s;
E, filtering net (4), raw material is POM plastic, and injection temperature is 190 ~ 200 DEG C, and injection pressure is 0.2 ~ 0.25MPa, injection time 1 ~ 4s, dwell time 2 ~ 7s, cooling time 30 ~ 45s;
S3. millipore filtration sheet (6) is made: 280 ~ 330 object PE sintering of plastics are shaping, by stamping cutting die cutting;
S4. filter pressure ring (5) is welded: the correspondence position circular millipore filtration sheet (6) being put into respectively upper and lower end cap, millipore filtration sheet (6) is pushed down with filter pressure ring (5), put into end cover welding machine, be welded and fixed, welding setting is, hot-die Heating temperature 60 ~ 80 DEG C, heat-up time 3 ~ 8S, air pressure 0.3 ~ 0.6MPa;
S5. lower end cover (2) and purifying cylinder (3) is welded: corresponding fixture lower end cover (2) and purifying cylinder (3) being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, complete the welding of lower end cover (2), welding setting is, hot-die Heating temperature 260 ~ 300 DEG C, heat-up time 2 ~ 7s, set time 25 ~ 40s, air pressure 0.4 ~ 0.8MPa;
S6. resin or filtrate is loaded: each press-in filtering net (4) in the above-mentioned purifying cylinder (3) having welded lower end cover (2), filtering net (4) is pressed in the position closing on lower end cover (2), load resin or filtrate respectively in purifying cylinder (3) again, be finally pressed into a filtering net (4) in the upper end of resin or filtrate again;
S7. upper end cover (1) is welded: corresponding fixture upper end cover (1) and the above-mentioned purifying cylinder (3) installing resin being put into respectively hot plate welding machine, regulate welding setting, start automatic welding, upper end cover (1) welding is well just made into a complete purification column later, welding setting is, hot-die Heating temperature 260 ~ 300 DEG C, heat-up time 2 ~ 8s, set time: 20 ~ 40s, air pressure 0.4 ~ 0.8MPa.
2. a kind of purification column production technique for water purifior according to claim 1, it is characterized in that, between step S4 and step S5, also comprise the step that is welded to connect ring (7) and purifying cylinder (3): corresponding fixture shack (7) and purifying cylinder (3) being put into respectively barrel soldering machine, regulate welding setting, start automatic welding, complete purifying cylinder (3) to lengthen, welding setting is, hot-die Heating temperature 250 ~ 290 DEG C, joining day 2 ~ 6s, set time 25 ~ 40s, air pressure 0.2 ~ 0.7MP.
3. a kind of purification column production technique for water purifior according to claim 2, it is characterized in that, the injection-mold process parameter of described shack (7) is: shack (7) raw material is mixing PP, injection temperature is 160 ~ 180 DEG C, injection pressure is 0.2 ~ 0.3MPa, injection time 2s, dwell time 4s, cooling time 30s.
4. a kind of purification column production technique for water purifior according to claim 1 or 3, is characterized in that, described mixing PP by PP material K8003 and PP material K4912 in mass ratio 2:1 mix.
5. a kind of purification column production technique for water purifior according to claim 1 and 2, is characterized in that, all adopt hot plate die welding to connect in welding process, and welding process adopts end face and side welding process.
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| CN105215609A (en) * | 2015-11-06 | 2016-01-06 | 四川优普超纯科技有限公司 | A kind of hot plate welding machine of fully-automatic production counter-infiltration post |
| 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 |
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| 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 |
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