CN112718396A - Negative pressure centrifugal glue injection encapsulation process and device - Google Patents

Negative pressure centrifugal glue injection encapsulation process and device Download PDF

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Publication number
CN112718396A
CN112718396A CN202110024382.1A CN202110024382A CN112718396A CN 112718396 A CN112718396 A CN 112718396A CN 202110024382 A CN202110024382 A CN 202110024382A CN 112718396 A CN112718396 A CN 112718396A
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CN
China
Prior art keywords
glue
glue injection
injected
encapsulation
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110024382.1A
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Chinese (zh)
Inventor
邓希光
李洪谊
孙杨
刘富忠
李姣
冯浩
杨春玲
应英
李梅
郭芳
朱敏娜
冯岩
杜春淼
王贺颜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Medical Device Test Institute
Shenyang Jingdu Metal Technology Co ltd
Shenyang Shangxian Medical System Co ltd
Original Assignee
Liaoning Medical Device Test Institute
Shenyang Jingdu Metal Technology Co ltd
Shenyang Shangxian Medical System Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liaoning Medical Device Test Institute, Shenyang Jingdu Metal Technology Co ltd, Shenyang Shangxian Medical System Co ltd filed Critical Liaoning Medical Device Test Institute
Priority to CN202110024382.1A priority Critical patent/CN112718396A/en
Publication of CN112718396A publication Critical patent/CN112718396A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
    • A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
    • A61M1/1621—Constructional aspects thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
    • A61M1/3621—Extra-corporeal blood circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00—Methods of manufacture, assembly or production
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2207/00—Methods of manufacture, assembly or production
    • A61M2207/10—Device therefor

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  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Hematology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Urology & Nephrology (AREA)
  • Emergency Medicine (AREA)
  • Cardiology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

A negative pressure centrifugal glue injection and encapsulation process and a device belong to glue encapsulation processes. The device comprises an upper cover, a lower box, a glue injection encapsulating assembly and a rotating assembly. The upper cover and the lower box form a sealing structure, and the sealing structure is connected with an external vacuum pump through an exhaust channel; the lower box is internally provided with a glue injection encapsulation assembly, the glue injection encapsulation assembly is arranged outside the shell to be injected with glue, and a ventilation hole channel for communicating the interior of the lower box with the shell to be injected with glue is arranged; the glue filling and sealing assembly comprises a glue filling pad, the glue filling pad is pressed at the position of the glue filling and sealing area to be filled through a pressing plate, and a glue filling channel is formed at the position of the glue filling and sealing area to be filled. Through the structure and the encapsulating process thereof, the invention can provide the negative pressure centrifugal glue injection encapsulating process and the device with strong applicability and good encapsulating effect.

Description

Negative pressure centrifugal glue injection encapsulation process and device
Technical Field
The invention belongs to a glue filling and sealing process, and particularly relates to a negative pressure centrifugal glue filling and sealing process and a device.
Background
The edge of the product needs to be injected and encapsulated by a membrane oxygenator for extracorporeal circulation, a dialyzer for hemodialysis and the like. The membrane oxygenator and dialyzer generally mainly comprise a shell and hollow fibers arranged inside the shell, and glue solution needs to be injected into the joint of the shell and the ends of the hollow fibers in the preparation process so as to achieve the functions of connection and sealing.
In the prior art, in order to prevent the glue solution from permeating into the gaps between the fibers under the action of surface tension, a centrifugal treatment is generally adopted, that is, the glue solution is injected into two port positions of a membrane oxygenator or a dialyzer through a glue injection port on a shell in advance, and then the whole assembly is rotated until the glue solution is cured and encapsulated. The method has the following limitations:
firstly, a glue injection port must be arranged on the shell, so that the structural design of the shell of the membrane oxygenator dialyzer is limited;
secondly, the driving force for injecting the glue solution is self gravity, and if the glue solution has high viscosity and poor fluidity, the filling effect of the encapsulation is poor;
thirdly, the current method is only suitable for potting openings at two ends of a cylindrical shell, and is difficult to simultaneously pot openings at four sides of the cylindrical shell;
fourthly, the effect of partition encapsulation of a unilateral encapsulation surface is difficult to realize by the current method.
Disclosure of Invention
The invention aims to provide a negative pressure centrifugal glue injection encapsulation process and a negative pressure centrifugal glue injection encapsulation device so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a negative pressure centrifugal glue injection filling and sealing device comprises an upper cover and a lower box which form a sealing structure; the sealing structure is connected with an external vacuum pump through an exhaust channel; a glue injection encapsulating assembly is arranged in the lower box and is concentrically arranged between the upper cover and the lower box through a rotating assembly;
the glue injection encapsulation assembly is arranged outside the shell to be injected with glue and is provided with a ventilation hole channel for communicating the interior of the lower box with the shell to be injected with glue; the glue filling and sealing assembly comprises a glue filling pad, the glue filling pad is pressed at the position of a glue filling and sealing area to be filled through a pressing plate, and a glue filling channel is formed at the position of the glue filling and sealing area to be filled; one end of the glue injection connector is communicated with the glue injection channel, and the other end of the glue injection connector is connected with the glue injection barrel through a connecting pipe.
The glue injection pad is provided with a convex feature corresponding to the groove feature on the shell to be injected with glue.
And the middle positions of the upper cover and the lower box are provided with rotating assembly mounting ports.
The rotating assembly mounting port comprises a step groove with an opening, a dynamic sealing ring is arranged in the step groove, a screw I penetrates through a through hole I of a flange and is screwed into a screw hole I, the dynamic sealing ring is pressed through the flange, and the rotating assembly mounting port is sealed.
The lower box comprises a box body, and a clamping groove and a sealing ring are arranged between the box body and the upper cover; the pivot is inserted by the rotating assembly installing port of lower box lower part, and the less part of pivot top diameter passes the rotating assembly installing port, installs in the keyway through the parallel key.
The shell to be injected with glue is provided with four side faces, and each side face is provided with two potting areas to be injected with glue.
The glue injection encapsulation assembly comprises an upper fixed block, a lower fixed block and a lateral fixed block; the upper fixing block is buckled on the upper surface of the shell to be injected with glue, and a ventilation through hole I and a circular boss are arranged on the upper fixing block; the lower fixing block is buckled on the lower surface of the shell to be injected with glue, and a ventilation through hole II is formed in the lower fixing block; the glue injection pad is buckled at the side port of the shell to be injected with glue, the fixing block at the side is buckled at the outer side of the glue injection pad, the glue injection connector penetrates through the through hole II, the upper row of screws penetrate through the through hole III and are screwed into the screw holes II of the fixing block above, and the lower row of screws penetrate through the through hole IV and are screwed into the screw holes III of the fixing block above.
The rotating assembly comprises a rotating seat, the glue injection encapsulation assembly is placed on the rotating seat, stand columns used for fixing the glue injection encapsulation assembly are arranged at four end corners of the rotating seat, and a ventilation through hole III is formed in the rotating seat.
The rotating assembly comprises a fixed barrel, and the fixed barrel is sleeved outside the glue injection barrel to fix the glue injection barrel; the glue injection outlet of the glue injection barrel is provided with a glue injection joint, and the glue injection joint is connected with a connecting pipe.
The process for injecting glue and encapsulating by using the negative pressure centrifugal glue injection encapsulating and encapsulating device comprises the following steps:
1) installing a glue injection encapsulating assembly outside the shell to be injected with glue, forming a glue injection channel at the position of the encapsulating area to be injected with glue through a glue injection pad, and meanwhile, arranging a ventilation channel between the glue injection encapsulating assembly and the shell to be injected with glue;
2) the glue injection encapsulating assembly is arranged in the upper cover and the lower box through the rotating assembly; the upper cover and the lower box form a sealing structure, and an exhaust channel of the sealing structure is connected with an external vacuum pump;
3) the power mechanism drives the rotating assembly, so as to drive the glue injection encapsulation assembly to rotate; injecting glue into the potting area to be injected through the glue injection potting assembly;
4) when the fluidity of the glue solution is poor, an external vacuum pump is started to vacuumize the interior of the shell to be glue injected, and the glue solution in the glue injection cylinder is sucked into the shell through negative pressure.
The beneficial effects of the invention are as follows:
1. the glue injection port does not need to be reserved on the shell to be injected with glue, the structure of the shell to be injected with glue is not limited, and the applicability is strong;
2. after the glue solution is injected, the glue solution is pumped by a vacuum pump to be vacuumized and used as the driving force for the flowing of the glue solution, so that the filling effect is good;
3. the glue injection device is suitable for a square shell to be injected with glue, and can inject glue to different potting areas to be injected with glue simultaneously;
4. and the partitioned glue injection encapsulation can be realized.
Drawings
FIG. 1 is a schematic structural view of an upper cover;
FIG. 2 is a schematic view of the lower case;
FIG. 3 is a schematic structural view of the glue injection encapsulation assembly;
FIG. 4 is a structural cross-sectional view of the glue injection potting assembly;
FIG. 5 is a schematic view of a rotary assembly;
FIG. 6 is a schematic view of the overall structure of the present invention;
fig. 7 is a schematic view of the present invention in a glue injection and encapsulation state.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
The utility model provides a negative pressure centrifugation injecting glue embedment device, includes upper cover 1, nowel 2, injecting glue embedment subassembly 3, rotating assembly installing port 4, rotating assembly 6. The upper cover 1 and the lower case 2 constitute a sealing structure, and the sealing structure is connected with an external vacuum pump through an exhaust passage. The glue injection encapsulation assembly 3 is arranged in the sealing structure and is installed and driven to rotate through the rotating assembly 6.
The middle positions of the upper cover 1 and the lower box 2 are provided with rotating component mounting ports 4.
The rotating component mounting port 4 comprises a step groove 46 at an opening, a dynamic sealing ring 44 is arranged in the step groove 46, a screw I41 penetrates through a through hole I43 of the flange 42 and is screwed into the screw hole I45, the dynamic sealing ring 44 is pressed tightly by the flange 42, and the rotating component mounting port 4 is sealed.
The structure of the upper cover 1 is shown in figure 1. Wherein, the upper cover 1 and the flange 42 can be transparent acrylic plates. The upper cover 1 is provided with an exhaust through hole 11, and the exhaust through hole 11 is connected with a vacuum pump through a joint and a pipeline.
The lower case 2 is constructed as shown in fig. 2. The box 23 and the flange 42 may be transparent acrylic plates. The smaller diameter portion 25 above the shaft 24 is passed through the dynamic seal 44 and the flat key 26 is installed in the key groove 27.
The glue injection encapsulation assembly 3 is arranged outside the shell 5 to be injected with glue and is provided with a ventilation hole channel for communicating the interior of the lower box 2 with the shell 5 to be injected with glue, and the ventilation hole channel is arranged on the non-glue injection surface of the shell 5 to be injected with glue; the glue filling and sealing assembly 3 comprises a glue filling pad 36, wherein the glue filling pad 36 is pressed at the position of the glue filling and sealing area 51 to be filled through a pressing plate, and a glue filling channel is formed at the position of the glue filling and sealing area 51 to be filled; one end of the glue injection joint 38 is communicated with the glue injection channel, and the other end is connected with the glue injection barrel 319 through a connecting pipe 320.
Specifically, the glue injection potting assembly 3 is shown in fig. 3. The shell 5 to be injected is a square membrane oxygenator or dialyzer shell, and has four sides to be encapsulated, and each side has two different encapsulating regions 51 to be injected. The upper fixing block 31 is fastened to the upper surface of the casing 5 to be injected with glue, and the upper fixing block 31 is provided with four ventilation through holes I32 and a circular boss 33. The lower fixing block 34 is fastened on the lower surface of the shell 5 to be injected with glue, and four ventilation through holes II35 are formed in the lower fixing block 34. The injection-molded pad 36 is preferably made of a flexible material, and may be a silicone rubber injection-molded pad. The glue injection pad 36 is fastened at a side port of the shell 5 to be injected with glue, the side fixing block 37 is fastened at the outer side of the glue injection pad 36, the glue injection connector 38 penetrates through the through hole II (39), the upper row of screws 310 penetrate through the through hole III311 and are screwed into screw holes II312 of the upper fixing block 31, and the lower row of screws 313 penetrate through the through hole IV314 and are screwed into screw holes III315 of the upper fixing block 31. The side end cover combination I316, the side end cover combination II317, and the side end cover combination III318 are combined with the upper fixing block 31 and the lower fixing block 34 in the same manner.
Preferably, as shown in fig. 4, the glue injection pad 36 has a protruding feature 322, which has a contour identical to that of the groove feature 52 on the to-be-glue-injected housing 5, so as to improve the sealing performance after the glue injection pad 36 is fastened to the to-be-glue-injected housing 5, the upper row of screws 310 and the lower row of screws 313 connect the side fixing blocks 37 with the upper fixing block 31 and the lower fixing block 34, and the glue injection pad 36 and the to-be-glue-injected housing 5 can be fastened tightly by screwing the screws. The glue injection joint 38 is the inlet for glue to flow into the potting of the housing.
The combination of the rotating assembly 6 and the glue injection potting assembly 3 is shown in fig. 5. The glue injection encapsulation assembly 3 after combination is placed on the rotary base 61, the four corners of the rotary base 61 are provided with the upright posts 62 for fixing the glue injection encapsulation assembly 3, the rotary base 61 is provided with four ventilation through holes III63, and the ventilation through holes III63 are opposite to the ventilation through holes II35 of the lower fixing block 34 in the figure 3. The screw II64 passes through the through hole V66 on the fixing cylinder 65 and screws into the screw hole of the upper fixing block 31, so as to fix the glue injection cylinder 319 on the circular boss 33 of the upper fixing block 31. The side of the fixed cylinder 65 is evenly distributed with 4 positioning screws III67 for fixing the glue injection cylinder 319. The silicone rubber connecting pipe 320 connects the rubber outlet connector 321 with the rubber injection connector 38, and other silicone rubber connecting pipes are installed in the same manner.
The overall structure after assembly is shown in fig. 6.
In use, as shown in fig. 7. The external rotation power rotates the rotating assembly 6 through the rotating shaft 24, the part 25 with a smaller diameter above the rotating shaft 24 maintains a sealed state, the dynamic seal ring 44 and the fixed cylinder 65 maintain a sealed state, and the seal ring 21 maintains a sealed state of the upper cover and the box body. While the rotating assembly 6 rotates, the glue solution 7 is poured into the glue injection, and air in the box is pumped out from the exhaust through hole 11 through a vacuum pump. Under the dual action of centrifugal force and negative pressure, the glue solution 7 is injected into the silicon rubber injection pad through the silicon rubber connecting pipe, and the glue injection encapsulation of the four side surfaces of the square shell is completed.
Therefore, the method and the device can be used for injecting glue and encapsulating, a glue injection opening is not required to be formed in the shell, and the glue can be directly injected and encapsulated through the silicon rubber injection pad; when the fluidity of the glue solution is poor, the glue solution in the glue injection cylinder is sucked into the shell through negative pressure, so that a good filling effect can be ensured; the glue injection encapsulation can be simultaneously carried out on different side surfaces of the square shell and different areas of the same side surface through a plurality of pipelines.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (10)

1. The utility model provides a negative pressure centrifugation injecting glue embedment device which characterized in that: the upper cover (1) and the lower box (2) form a sealing structure; the sealing structure is connected with an external vacuum pump through an exhaust channel; a glue injection encapsulating assembly (3) is arranged in the lower box (2), and the glue injection encapsulating assembly (3) is concentrically arranged between the upper cover (1) and the lower box (2) through a rotating assembly (6);
the glue injection encapsulation assembly (3) is arranged outside the shell (5) to be injected with glue and is provided with a ventilation hole channel for communicating the interior of the lower box (2) with the shell (5) to be injected with glue; the glue filling and sealing assembly (3) comprises a glue injection pad (36), the glue injection pad (36) is pressed at the position of the glue injection area (51) to be injected through a pressing plate, and a glue injection channel is formed at the position of the glue injection area (51) to be injected; one end of the glue injection joint (38) is communicated with the glue injection channel, and the other end of the glue injection joint is connected with the glue injection barrel (319) through a connecting pipe (320).
2. The negative-pressure centrifugal glue injection, encapsulation and sealing device of claim 1, characterized in that: the glue injection pad (36) is provided with a raised feature (322) corresponding to a groove feature (52) on the shell (5) to be injected with glue.
3. The negative-pressure centrifugal glue injection, encapsulation and sealing device of claim 1, characterized in that: the middle positions of the upper cover (1) and the lower box (2) are provided with rotating assembly mounting ports (4).
4. The negative-pressure centrifugal glue injection, encapsulation and sealing device according to claim 3, characterized in that: the rotating assembly mounting port (4) comprises a step groove (46) at the opening, a dynamic sealing ring (44) is arranged in the step groove (46), a screw I (41) penetrates through a through hole I (43) of a flange (42) and is screwed into a screw hole I (45), the dynamic sealing ring (44) is pressed through the flange (42), and the rotating assembly mounting port (4) is sealed.
5. The negative-pressure centrifugal glue injection, encapsulation and sealing device of claim 1, characterized in that: the lower box (2) comprises a box body (23), and a clamping groove (22) and a sealing ring (21) are arranged between the box body (23) and the upper cover (1); the rotating shaft (24) is inserted into the rotating component mounting opening (4) at the lower part of the lower box (2), and the part (25) with smaller diameter above the rotating shaft (24) penetrates through the rotating component mounting opening (4) and is mounted in the key groove (27) through the flat key (26).
6. The negative-pressure centrifugal glue injection, encapsulation and sealing device of claim 1, characterized in that: the shell (5) to be injected with glue is provided with four side faces, and each side face is provided with two potting areas (51) to be injected with glue.
7. The negative-pressure centrifugal glue injection, encapsulation and sealing device of claim 6, characterized in that: the glue injection encapsulation assembly (3) comprises an upper fixing block (31), a lower fixing block (34) and a lateral fixing block (37);
the upper fixing block (31) is buckled on the upper surface of the shell (5) to be injected with glue, and a ventilation through hole I (35) and a circular boss (33) are arranged on the upper fixing block (31); the lower fixing block (34) is buckled on the lower surface of the shell (5) to be injected with glue, and a ventilation through hole II (35) is formed in the lower fixing block (34); the glue injection pad (36) is buckled at the side port of the shell (5) to be injected with glue, the side fixing block (37) is buckled at the outer side of the glue injection pad (36), the glue injection joint (28) penetrates through the through hole II (39), the upper row of screws (310) penetrate through the through hole III (31) and are screwed into the screw holes II (312) of the upper fixing block (31), and the lower row of screws (313) penetrate through the through hole IV (314) and are screwed into the screw holes III (315) of the upper fixing block (31).
8. The negative-pressure centrifugal glue injection, encapsulation and sealing device of claim 1, characterized in that: rotating assembly (6) including roating seat (61), injecting glue embedment subassembly (3) are placed on roating seat (61), four end angle departments of roating seat (61) have stand (62) that are used for fixed injecting glue embedment subassembly (3), be equipped with ventilation through-hole III (63) on roating seat (61).
9. The negative-pressure centrifugal glue injection, encapsulation and sealing device of claim 1, characterized in that: the rotating assembly (6) comprises a fixed cylinder (65), and the fixed cylinder (65) is sleeved outside the glue injection cylinder (319) to fix the glue injection cylinder (319); the glue injection outlet of the glue injection barrel (319) is provided with a glue injection joint (321), and the glue injection joint (321) is connected with the connecting pipe (320).
10. A process for performing glue injection encapsulation by using the negative pressure centrifugal glue injection encapsulation device according to any one of claims 1 to 9, which is characterized by comprising the following steps:
1) installing a glue injection encapsulating assembly (3) outside the shell (5) to be injected with glue, forming a glue injection channel at the position of the encapsulating area (51) to be injected with glue through a glue injection pad (36), and meanwhile, arranging a ventilation channel between the glue injection encapsulating assembly (3) and the shell (5) to be injected with glue;
2) the glue injection encapsulating assembly (3) is installed in the upper cover (1) and the lower box (2) through the rotating assembly (6); the inner parts of the upper cover (1) and the lower box (2) form a sealing structure, and an exhaust channel of the sealing structure is connected with an external vacuum pump;
3) the power mechanism drives the rotating assembly (6) to drive the glue injection encapsulation assembly (3) to rotate; simultaneously, injecting glue into the potting area (51) to be injected through the glue injection potting component (3);
4) when the fluidity of the glue solution is poor, an external vacuum pump is started to vacuumize the interior of the shell (5) to be injected with the glue, and the glue solution in the glue injection cylinder is sucked into the shell through negative pressure.
CN202110024382.1A 2021-01-08 2021-01-08 Negative pressure centrifugal glue injection encapsulation process and device Pending CN112718396A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN114700216A (en) * 2022-03-29 2022-07-05 北京航天长峰股份有限公司 End part glue sealing device
CN115041353A (en) * 2022-05-31 2022-09-13 广州国家实验室 Oxygenating membrane wire sleeve, oxygenator, glue filling method and glue filling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114700216A (en) * 2022-03-29 2022-07-05 北京航天长峰股份有限公司 End part glue sealing device
CN115041353A (en) * 2022-05-31 2022-09-13 广州国家实验室 Oxygenating membrane wire sleeve, oxygenator, glue filling method and glue filling device
CN115041353B (en) * 2022-05-31 2023-03-14 广州国家实验室 Oxygenating membrane wire sleeve, oxygenator, glue filling method and glue filling device

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