阅读说明：本技术 一种增湿器封装二次浇筑工艺及设备 (Humidifier packaging secondary pouring process and equipment ) 是由 王红 张学智 甄伟民 澹台建礼 甄梦 于 2021-07-28 设计创作，主要内容包括：本发明涉及增湿器浇筑技术领域,具体地说,涉及一种增湿器封装二次浇筑工艺及设备。其包括以下步骤：将中空纤维膜按规定尺寸裁剪整齐后,放入增湿器内壳中,将增湿器内壳装入增湿器外壳中,在增湿器外壳的两端均安装好浇筑帽,形成增湿器组件；驱动增湿器组件以其中心旋转；在离心旋转的状态下,将满足25℃固化时间＜2h的一号灌注入储胶桶内,在离心力的作用下使胶进入两端的浇筑帽内,至固化；停止离心旋转,更换进胶管路,将满足25℃固化时间＞2h的二号灌封胶注入储胶桶内,在离心力的作用下使胶进入两端的浇筑帽内,至固化。通过离心力将注入的一号灌封胶留在两端的浇筑帽内,避免胶液流入至中空纤维膜内部,造成堵塞。(The invention relates to the technical field of humidifier pouring, in particular to a humidifier packaging secondary pouring process and equipment. Which comprises the following steps: cutting the hollow fiber membrane into a specified size, putting the hollow fiber membrane into an inner humidifier shell, putting the inner humidifier shell into an outer humidifier shell, and installing pouring caps at two ends of the outer humidifier shell to form a humidifier assembly; driving the humidifier assembly to rotate about its center; under the centrifugal rotation state, pouring the first glue meeting the requirement that the curing time is less than 2h at 25 ℃ into a glue storage barrel, and enabling the glue to enter pouring caps at two ends under the action of centrifugal force until the glue is cured; stopping centrifugal rotation, replacing a glue inlet pipeline, injecting second pouring glue meeting the requirement that the curing time is more than 2h at 25 ℃ into a glue storage barrel, and enabling the glue to enter pouring caps at two ends under the action of centrifugal force until the glue is cured. The pouring sealant I is left in the pouring caps at the two ends through centrifugal force, and the situation that the glue solution flows into the hollow fiber membrane to cause blockage is avoided.)

1. The packaging secondary pouring process for the humidifier is characterized by comprising the following steps of:

s1, cutting the hollow fiber membrane into a regular size (the distance between the hollow fiber membrane and the bottom surface of the casting cap is less than 1mm after the casting cap is installed), putting the hollow fiber membrane into an inner humidifier shell, installing the inner humidifier shell into an outer humidifier shell, and installing the casting caps at the two ends of the outer humidifier shell to form a pre-cast humidifier component;

s2, driving the humidifier component to rotate at the center of the humidifier component, and enabling the pouring caps at the two ends to be horizontal and have the same centrifugal force;

s3, injecting glue for the first time, injecting glue meeting the requirement that the curing time is less than 2h at 25 ℃ into a glue storage barrel in a centrifugal rotating state, and enabling the glue to enter the pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 1-3mm, and the glue is cured, and a glue inlet is not higher than the bottom surfaces of the pouring caps;

s4, injecting glue for the first time, stopping centrifugal rotation, replacing a glue inlet pipeline, injecting second glue meeting the requirement that the curing time is more than 2h at 25 ℃ into a glue storage barrel, enabling the glue to enter the pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 40-50mm in thickness until the glue is cured, and a glue inlet is higher than the bottom of the pouring cap by more than 3mm and less than 20 mm;

and S5, after the glue II is completely cured, removing the pouring cap and cutting off the glue with the thickness of 20-30mm from the end part.

2. The humidifier package secondary casting process according to claim 1, wherein: the first pouring sealant is selected from any one of polyurethane glue, epoxy resin glue and wood glue, and 20% of calcium carbonate or talcum powder is added and mixed uniformly.

3. The humidifier package secondary casting process according to claim 1, wherein: the second pouring sealant is selected from any one of polyurethane glue and epoxy resin glue.

4. The humidifier package secondary casting process according to claim 1, wherein: in the S3, the centrifugal speed is 8000-30000 r/min.

5. An apparatus for a humidifier potting secondary casting process, for use in a humidifier potting secondary casting process according to any one of claims 1 to 4, the apparatus comprising:

the clamping device comprises a clamping seat (100), wherein a rotating base (110) is arranged at the bottom of the clamping seat (100), and a driving mechanism (1101) is connected to the center of the bottom end of the rotating base (110);

the humidifier assembly (200) at least comprises an outer shell (210), fixing frames (220) are inserted and connected to the outer portions of two ends of the outer shell (210), clamping rods (101) are arranged at the left end and the right end of a clamping seat (100), a supporting rod (1011) is arranged below each clamping rod (101), each fixing frame (220) is located above the corresponding supporting rod (1011), a clamping plate (102) is connected to the top end of each clamping rod (101), each clamping plate (102) is fixedly connected with the corresponding fixing frame (220) through bolts, each humidifier assembly (200) further comprises a glue injection cap (230), each glue injection cap (230) is fixedly connected with fixing grooves (103) formed in two sides of each clamping rod (101) through fixing plates (231) arranged at two ends, each glue injection cap (230) is tightly attached to the surface of the corresponding fixing frame (220), a primary glue injection port (2301) and a secondary glue injection port (2302) are formed in the surface of each glue injection cap (230), the depth of the primary glue injection port (2301) horizontally extending into the glue injection cap is not higher than the bottom surface of the pouring cap, and the depth of the secondary glue injection port (2302) horizontally extending into the glue injection cap is 3-20 mm;

store up gluey bucket (300), store up gluey bucket (300) through connecting rod (301) that one side was equipped with grip slipper (100) fixed connection, store up gluey bucket (300) and be connected with one glue outlet pipe (3000) through the glue outlet that the bottom was equipped with, glue outlet pipe (3000) through once only advance rubber tube (3001) with once glue injection mouth (2301) secondary glue injection mouth (2302) fixed connection.

6. The apparatus of a humidifier package secondary casting process according to claim 5, wherein: the clamping plate (102) is connected with the clamping rod (101) in a sliding mode through a sliding rod (1021) arranged at one end of the clamping plate.

7. The apparatus of a humidifier package secondary casting process according to claim 5, wherein: clamping rod (101) are close to one side of fixed frame (220) is equipped with limiting plate (104), limiting plate (104) with the laminating of fixed frame (220) surface to through bolt fixed connection.

Technical Field

The invention relates to the technical field of humidifier pouring, in particular to a humidifier packaging secondary pouring process and equipment.

Background

At present, thousands of hollow fiber membranes are arranged inside a fuel cell humidifier, membrane filaments are grouped into bundles, and then two ends of the membrane filaments are sealed by potting glue. The common method comprises the steps of binding two ends of a hollow fiber membrane, cutting the end face of the hollow fiber membrane orderly, then uniformly coating silica gel, ABS resin glue and woodwork glue with a brush to block two ends of the hollow fiber membrane, opening a binding rope before the glue is completely cured, dispersing membrane wires with an iron rod, and finally installing a pouring cap for pouring. The process is complicated, the processing time is long, products with irregular shells are difficult to bind, the hollow fiber membranes are easy to leak and block, pouring sealant enters during pouring, and the using amount of the hollow fiber membranes is further influenced.

Disclosure of Invention

The invention aims to provide a humidifier packaging secondary pouring process to solve the problems in the background art.

In order to achieve the above object, in one aspect, the present invention provides a humidifier packaging secondary casting process, including the following steps:

s1, cutting the hollow fiber membrane into a regular size (the distance between the hollow fiber membrane and the bottom surface of the casting cap is less than 1mm after the casting cap is installed), putting the hollow fiber membrane into an inner humidifier shell, installing the inner humidifier shell into an outer humidifier shell, and installing the casting caps at the two ends of the outer humidifier shell to form a humidifier assembly;

s2, driving the humidifier component to rotate at the center of the humidifier component, and enabling the pouring caps at the two ends to be horizontal and have the same centrifugal force;

s3, injecting glue for the first time, injecting glue meeting the requirement that the curing time is less than 2h at 25 ℃ into a glue storage barrel in a centrifugal rotating state, and enabling the glue to enter the pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 1-3mm, and the glue is cured, and a glue inlet is not higher than the bottom surfaces of the pouring caps;

s4, injecting glue for the first time, stopping centrifugal rotation, replacing a glue inlet pipeline, injecting second glue meeting the requirement that the curing time is more than 2h at 25 ℃ into a glue storage barrel, enabling the glue to enter the pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 40-50mm, and the glue inlet is higher than the bottom of the pouring cap by more than 3mm and less than 20mm until the glue is cured

And S5, after the glue II is completely cured, removing the pouring cap and cutting off the glue with the thickness of 20-30mm from the end part.

As a further improvement of the technical scheme, the first pouring sealant is selected from any one of polyurethane glue, epoxy resin glue and wood glue and is uniformly mixed with 20% of calcium carbonate or talcum powder.

As a further improvement of the technical scheme, the second pouring sealant is selected from any one of polyurethane glue and epoxy resin glue.

As a further improvement of the technical proposal, in the S3, the centrifugal speed is 8000-30000 r/min.

In another aspect, the present invention provides an apparatus for a humidifier encapsulated secondary casting process, for use in any one of the above humidifier encapsulated secondary casting processes, the apparatus comprising:

the rotary base is arranged at the bottom of the clamping seat, and a driving mechanism is connected to the center of the bottom end of the rotary base and used for driving the clamping seat to rotate;

the humidifier assembly at least comprises an outer shell, fixing frames are inserted and connected to the outer parts of two ends of the outer shell, the left end and the right end of the clamping seat are respectively provided with a clamping rod, a supporting rod is arranged below the clamping rods, the fixing frame is positioned above the supporting rod, the top end of the clamping rod is connected with a clamping plate, the clamping plate is fixedly connected with the fixing frame through a bolt, so that the humidifier component can be clamped conveniently, the humidifier component also comprises a glue injection cap which is fixedly connected with the fixing grooves arranged at the two sides of the clamping rod through fixing pieces arranged at the two ends of the glue injection cap, so that the glue injection cap is convenient to mount, the glue injection cap is tightly attached to the surface of the fixing frame, a primary glue injection port and a secondary glue injection port are formed in the surface of the glue injection cap, the depth of the primary glue injection port horizontally extending into the glue injection cap is not higher than the bottom surface of the pouring cap, and the depth of the secondary glue injection port horizontally extending into the glue injection cap is 3-20 mm;

store up gluey bucket, store up gluey bucket through the connecting rod that one side was equipped with grip slipper fixed connection is convenient for stabilize the storage gluey bucket, store up gluey bucket and be connected with a glue outlet pipe through the glue outlet that the bottom was equipped with, glue outlet pipe through once only advance the rubber tube respectively with once injecting glue mouth secondary injecting glue mouth fixed connection is convenient for pour into the glue solution into to the shell is inside.

Preferably, the clamping plate is connected with the clamping rods in a sliding manner through a sliding rod arranged at one end of the clamping plate, so that the fixing frame can be conveniently installed and dismantled.

Preferably, one side of the clamping rod, which is close to the fixed frame, is provided with a limiting plate, and the limiting plate is attached to the surface of the fixed frame and fixedly connected with the fixed frame through a bolt, so that the limiting of the glue injection cap is facilitated.

Compared with the prior art, the invention has the beneficial effects that:

1. among this humidifier encapsulation secondary pouring technology and equipment, pour for the first time through turbo centrifuge, a casting glue that will pour into is detained in the cap of pouring at both ends through centrifugal force, after a casting glue solidification, pour for the second time again, avoid the glue solution to flow into inside the hollow fiber membrane, cause the jam, when pouring for the first time, choose for use to have no requirement to the performance, the low price, the polyurethane that the cure speed is fast, epoxy glue or carpenter glue one kind mix with 20% calcium carbonate or talcum powder, the pouring cost has been reduced, and the curing time has been shortened.

2. In the humidifier packaging secondary pouring process and equipment, the pouring time is shortened by 6-8 hours, all hollow fiber membranes are observed after the cut end face of the pouring cap is removed, all the hollow fiber membranes are not blocked by epoxy resin glue, and the hollow fiber membranes are well dispersed.

Drawings

FIG. 1 is a schematic diagram of a humidifier configuration according to the present invention;

FIG. 2 is a schematic view of the structure of a centrifugal apparatus according to embodiment 4 of the present invention;

FIG. 3 is a schematic view of a clamping seat structure according to embodiment 4 of the present invention;

fig. 4 is a schematic structural view of a humidifier module according to embodiment 4 of the present invention;

fig. 5 is a schematic structural view of a glue storage barrel in embodiment 5 of the present invention;

fig. 6 is an overall flow diagram of the present invention.

The various reference numbers in the figures mean:

100. a clamping seat;

101. a clamping rod; 1011. a support bar;

102. a splint; 1021. a slide bar; 103. fixing grooves; 104. a limiting plate;

110. rotating the base; 1101. a drive mechanism;

200. a humidifier assembly;

210. a housing; 220. a fixing frame;

230. injecting a rubber cap; 2301. a primary glue injection port; 2302. a secondary glue injection port; 231. a fixing sheet;

300. a glue storage barrel; 301. a connecting rod; 3000. discharging the rubber tube; 3001. the rubber inlet pipe is disposable.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Embodiment 1 a humidifier encapsulation secondary pouring process, includes the following steps:

s1, cutting the hollow fiber membrane into a regular size (the distance between the hollow fiber membrane and the bottom surface of the casting cap is less than 1mm after the casting cap is installed), putting the hollow fiber membrane into an inner humidifier shell, installing the inner humidifier shell into an outer humidifier shell, and installing the casting caps at the two ends of the outer humidifier shell to form a humidifier assembly;

s2, driving the humidifier component to rotate at the center of the humidifier component, and enabling the pouring caps at the two ends to be horizontal and have the same centrifugal force;

s3, injecting glue for the first time, injecting glue meeting the requirement that the curing time is less than 2h at 25 ℃ into a glue storage barrel in a centrifugal rotating state, enabling the glue to enter pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 1mm, and the glue inlet is not higher than the bottom surfaces of the pouring caps until the glue is cured;

s4, injecting glue for the first time, stopping centrifugal rotation, replacing a glue inlet pipeline, injecting second glue meeting the requirement that the curing time is more than 2h at 25 ℃ into a glue storage barrel, enabling the glue to enter pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 40mm, and the glue inlet is 15mm higher than the bottoms of the pouring caps until the glue is cured;

and S5, after the glue II is completely cured, removing the pouring cap and cutting off the glue with the thickness of 20mm from the end part.

Embodiment 2 a humidifier encapsulation secondary pouring technology includes the following steps:

s1, cutting the hollow fiber membrane into a regular size (the distance between the hollow fiber membrane and the bottom surface of the casting cap is less than 1mm after the casting cap is installed), putting the hollow fiber membrane into an inner humidifier shell, installing the inner humidifier shell into an outer humidifier shell, and installing the casting caps at the two ends of the outer humidifier shell to form a humidifier assembly;

s2, driving the humidifier component to rotate at the center of the humidifier component, and enabling the pouring caps at the two ends to be horizontal and have the same centrifugal force;

s3, injecting glue for the first time, injecting glue meeting the requirement that the curing time is less than 2h at 25 ℃ into a glue storage barrel in a centrifugal rotating state, enabling the glue to enter pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 2mm in thickness until the glue is cured, and a glue inlet is not higher than the bottom surfaces of the pouring caps;

s4, injecting glue for the first time, stopping centrifugal rotation, replacing a glue inlet pipeline, injecting second glue meeting the requirement that the curing time is more than 2h at 25 ℃ into a glue storage barrel, enabling the glue to enter pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 45mm, and the glue inlet is 15mm higher than the bottoms of the pouring caps until the glue is cured;

and S5, after the glue II is completely cured, removing the pouring cap and cutting off glue with the thickness of 25mm from the end part.

Embodiment 3 a humidifier encapsulation secondary pouring process, includes the following steps:

s1, cutting the hollow fiber membrane into a regular size (the distance between the hollow fiber membrane and the bottom surface of the casting cap is less than 1mm after the casting cap is installed), putting the hollow fiber membrane into an inner humidifier shell, installing the inner humidifier shell into an outer humidifier shell, and installing the casting caps at the two ends of the outer humidifier shell to form a humidifier assembly;

s2, driving the humidifier component to rotate at the center of the humidifier component, and enabling the pouring caps at the two ends to be horizontal and have the same centrifugal force;

s3, injecting glue for the first time, injecting glue meeting the requirement that the curing time is less than 2h at 25 ℃ into a glue storage barrel in a centrifugal rotating state, enabling the glue to enter pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 3mm in thickness until the glue is cured, and a glue inlet is not higher than the bottom surfaces of the pouring caps;

s4, injecting glue for the first time, stopping centrifugal rotation, replacing a glue inlet pipeline, injecting second glue meeting the requirement that the curing time is more than 2h at 25 ℃ into a glue storage barrel, enabling the glue to enter pouring caps at two ends under the action of centrifugal force, wherein the pouring amount is 50mm, and the glue inlet is 15mm higher than the bottoms of the pouring caps until the glue is cured;

and S5, after the glue II is completely cured, removing the pouring cap and cutting off the glue with the thickness of 30mm from the end part.

Example 4

In order to implement centrifugal casting work, the present invention provides an apparatus for a humidifier packaging secondary casting process, as specifically shown in fig. 2, 3, 4 and 5, including:

the clamping device comprises a clamping seat 100, wherein a rotating base 110 is arranged at the bottom of the clamping seat 100, and a driving mechanism 1101 is connected to the center of the bottom end of the rotating base 110 and used for driving the clamping seat 100 to rotate;

the humidifier assembly 200 comprises a housing 210 at least, fixing frames 220 are inserted outside two ends of the housing 210, clamping rods 101 are arranged at the left end and the right end of a clamping seat 100, supporting rods 1011 are arranged below the clamping rods 101, the fixing frames 220 are located above the supporting rods 1011, clamping plates 102 are connected to the top ends of the clamping rods 101, the clamping plates 102 are fixedly connected with the fixing frames 220 through bolts, and the humidifier assembly 200 is clamped conveniently;

store up gluey bucket 300, store up gluey bucket 300 through connecting rod 301 and the 100 fixed connection of grip slipper that one side was equipped with, be convenient for stabilize storage gluey bucket 300, store up gluey bucket 300 and be connected with a glue outlet pipe 3000 through the glue outlet that the bottom was equipped with, glue outlet pipe 3000 is convenient for to the inside glue solution that pours into of shell 210 respectively with a injecting glue mouth 2301, secondary injecting glue mouth 2302 fixed connection through the disposable glue inlet pipe 3001 of connecting.

This embodiment is when specifically using, insert the shell 210 inside fixed frame 220, then put into the bracing piece 1011 top respectively with two fixed frames 220, and through the bolt fastening between splint 102 and the fixed frame 220, again with injecting glue cap 230 and fixed frame 220 surface laminating, the stationary blade 231 is located inside fixed slot 103 this moment, fix through the bolt can, accomplish behind the clamping work, with disposable advancing rubber tube 3001 and once injecting glue mouth 2301 fixed connection, open the valve of glue storage barrel 300 bottom this moment, discharge the glue solution by play rubber tube 3000, and it is inside to enter into once injecting glue mouth 2301 through disposable advancing rubber tube 3001, then make its work to energize actuating mechanism 1101, actuating mechanism 1101 work drives rotating base 110 and rotates, thereby drive humidifier subassembly 200 and rotate, it can to stay the glue solution at the tip solidification of shell 210 through the rotation.

Further, the clamping plate 102 is slidably connected with the clamping rod 101 through a sliding rod 1021 arranged at one end, so that the fixing frame 220 can be conveniently installed and removed.

Specifically, one side of the clamping rod 101 close to the fixing frame 220 is provided with a limiting plate 104, the limiting plate 104 is attached to the surface of the fixing frame 220, and the limiting plate is fixedly connected with the fixing frame 220 through a bolt, so that the limiting of the glue injection cap 230 is facilitated.

Comparative example 1 a humidifier potting casting process, comprising the steps of:

s1, cutting 1100 hollow fiber membranes orderly according to a specified size (after a casting cap is installed, the distance between the hollow fiber membranes and the bottom surface of the casting cap is less than 1mm), putting the hollow fiber membranes into an inner shell of a humidifier, and fixing the inner shell of the humidifier in an outer shell of an iron casting;

s2, trapping the hollow fiber membranes at two ends tightly, and then uniformly coating the hollow fiber membranes with silica gel, ABS resin glue and woodwork glue with high viscosity glue by using a brush to plug the two ends of the hollow fiber membranes;

s3, after solidification, opening the binding ropes, dispersing the mold opening wires by using an iron rod, and then installing pouring caps at two ends of the inner shell of the humidifier;

and S4, setting the casting amount to be 45mm, curing after casting, placing at room temperature, removing the casting cap, and cutting off the middle fiber membranes blocked at two ends after the casting cap is detached.

In the humidifier packaging secondary pouring process, the pouring time is greatly shortened, the hollow fiber membrane is not blocked, the dispersion effect is good, and the method has a great relationship with the added centrifugal pouring step, and in order to verify the related technical scheme, the applicant performs the following tests:

comparative example 1: the centrifugal casting step in examples 1 to 3 was eliminated, and relevant indexes in the casting process were detected, as shown in table 1:

TABLE 1

	Example 1	Example 2	Example 3	Comparative example 1
					Pouring time (h)	12	12	12	19
Fiber Membrane clogging Rate (%)	0	0	0	3.5
					Dispersing effect	Good effect	Good effect	Good effect	Good effect

As shown in table 1, the pouring time of the humidifier prepared by the pouring process in examples 1 to 3 of the present invention is obviously shortened compared to that in comparative example 1, the blocking rate of the hollow fiber membranes is 0, and the dispersion effect is good, while in comparative example 1, the blocking rate of the fiber membranes is 35 blocks per thousand, which causes the use effect of the prepared humidifier to be not obvious, and therefore, it can be seen that the centrifugal pouring step added in the present invention is an important factor affecting the pouring time and the pouring effect.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.