CN111229550A - Glue injection valve for dialyzer production - Google Patents
Glue injection valve for dialyzer production Download PDFInfo
- Publication number
- CN111229550A CN111229550A CN202010238024.6A CN202010238024A CN111229550A CN 111229550 A CN111229550 A CN 111229550A CN 202010238024 A CN202010238024 A CN 202010238024A CN 111229550 A CN111229550 A CN 111229550A
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- plunger
- hole
- glue
- rod
- cylinder
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- 239000003292 glue Substances 0.000 title claims abstract description 178
- 238000002347 injection Methods 0.000 title claims abstract description 37
- 239000007924 injection Substances 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000004513 sizing Methods 0.000 claims abstract description 12
- 238000011084 recovery Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 82
- 238000007599 discharging Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 abstract description 7
- 239000012528 membrane Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000000502 dialysis Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000012858 packaging process Methods 0.000 description 5
- 239000008280 blood Substances 0.000 description 4
- 210000004369 blood Anatomy 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003204 osmotic effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000003053 toxin Substances 0.000 description 2
- 231100000765 toxin Toxicity 0.000 description 2
- 108700012359 toxins Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 230000000322 hemodialysis Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Images
Classifications
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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
- B05C5/0225—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 characterised by flow controlling means, e.g. valves, located proximate the outlet
-
- 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
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
Abstract
The invention discloses a glue injection valve for dialyzer production, which comprises a valve body assembly and a linear reciprocating driving mechanism, wherein the valve body assembly comprises a valve block and a plunger; the valve block is provided with a glue inlet hole, a glue return hole and a glue outlet hole; be equipped with the plunger chamber that can hold the plunger in the valve block, the gluey hole is advanced in plunger chamber intercommunication, the sizing material passageway of intercommunication plunger chamber up end and back gluey hole is seted up to the valve block, the lower terminal surface intercommunication in plunger chamber goes out gluey hole, the linear reciprocating drive mechanism drive is connected the plunger in order to drive the plunger at plunger intracavity regularity reciprocating motion from top to bottom, the linear reciprocating drive mechanism can drive the plunger and go upward to the connection port of butt plunger chamber and sizing material passageway so that it seals, the linear reciprocating drive mechanism can drive the plunger and go downward to the connection port of butt plunger chamber and play gluey hole so that it seals. The glue injection valve can realize quantitative control of the glue outlet amount at intervals, can realize recovery of redundant glue, improves the packaging quality of the dialyzer, and ensures the product quality of the dialyzer.
Description
Technical Field
The invention relates to the technical field of medical equipment processing equipment, in particular to a glue injection valve for dialyzer production.
Background
Hemodialysis (Dialysis) is a process of introducing blood and dialysate of a patient into a dialyzer at the same time by using the principle of a semipermeable membrane, wherein the blood and the dialysate of the patient flow in opposite directions on two sides of a Dialysis membrane, and the solute gradient, the osmotic gradient and the water pressure gradient on the two sides of the membrane are used for removing toxins and excessive water retained in the body, supplementing substances required in the body and maintaining the balance between electrolytes and acid and alkali. The dialyzer introduces the blood and the dialysate of a patient into the dialyzer at the same time by utilizing the principle of a semipermeable membrane, the blood and the dialysate of the patient flow in opposite directions on two sides of the dialysis membrane, and the toxin is removed and excessive water retained in the body is supplemented by virtue of solute gradient, osmotic gradient and water pressure gradient on the two sides of the membrane.
The dialyzer mainly comprises a support structure and a dialysis membrane. The quality of the dialyzer is good, and besides the quality of the dialysis membrane, the packaging of the dialysis membrane is also critical. The packaging process needs to adopt glue for packaging. Traditional injecting glue valve is difficult control rubber coating state and play gluey volume when injecting glue encapsulation cerini dialyser cerini, has increased uncontrollable factor for production process, can't guarantee the product quality of cerini dialyser cerini, and the injecting glue valve easily exists the hourglass condition of gluing, easily produces equipment failure, influences production efficiency.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem of providing a glue injection valve for dialyzer production. The glue injection valve can realize quantitative control of glue outlet quantity at intervals and realize recovery of redundant glue, control of the packaging process is conveniently realized, uniformity of glue coating is guaranteed, packaging quality of a dialyzer is improved, and product quality of the dialyzer is guaranteed.
In order to achieve the purpose, the invention adopts the technical scheme that:
a glue injection valve for dialyzer production comprises a valve body assembly and a linear reciprocating driving mechanism, wherein the valve body assembly comprises a valve block and a plunger mounted in the valve block; the valve block is provided with a glue inlet hole connected with the glue material supply device, a glue return hole connected with the glue material recovery device and a glue outlet hole for injecting glue outwards; be equipped with in the valve block and hold the plunger chamber of plunger, plunger chamber intercommunication advance gluey hole, the intercommunication has been seted up to the valve block plunger chamber up end with the sizing material passageway of gluing the hole back, the lower terminal surface intercommunication in plunger chamber goes out gluey hole, the drive of the reciprocal actuating mechanism of straight line is connected the plunger is in with the drive the plunger is in the regular up-and-down motion of plunger intracavity, the reciprocal actuating mechanism of straight line can drive the plunger goes upward to the butt the plunger chamber with the connection port of sizing material passageway is so that it seals, the reciprocal actuating mechanism of straight line can drive the plunger down to the butt the plunger chamber with the connection port of going out gluey hole is so that it seals.
Preferably, the linear reciprocating driving mechanism comprises a vertically arranged plunger rod and a linear reciprocating driving unit which is connected with the plunger rod in a driving mode and reciprocates up and down regularly, the linear reciprocating driving unit comprises a control part for controlling the reciprocating motion frequency, and the lower end part of the plunger rod is fixedly connected with the top of the plunger; the valve block is provided with a plunger rod channel downwards from the upper surface of the valve block for penetrating the plunger rod, the lower port of the plunger rod channel is communicated with the upper end surface of the plunger cavity, a gap is reserved between the plunger rod and the plunger rod channel to form a rubber material channel, the upper port of the rubber outlet hole is communicated with the lower end surface of the plunger cavity, and the lower port of the plunger rod channel is arranged right above the upper port of the rubber outlet hole; the plunger rod drives the plunger to move upwards to block the lower port of the plunger rod channel so as to block the lower port of the plunger rod channel, and the plunger rod drives the plunger to move downwards to block the upper port of the glue outlet hole so as to block the upper port of the glue outlet hole.
Preferably, the glue inlet hole and the glue return hole are provided in plural.
Preferably, the linear reciprocating driving unit comprises a reciprocating linear motion cylinder and a control device for controlling the reciprocating motion frequency of a piston rod of the reciprocating linear motion cylinder, the piston rod is vertically and downwardly arranged, and the lower end part of the piston rod is connected with the upper end part of the plunger rod through a connecting assembly.
Preferably, the control device comprises an intermittent inflation and exhaust system, the reciprocating linear motion cylinder comprises a cylinder barrel with a vertical central axis, the upper end of the cylinder barrel is open, and a cylinder cover for sealing the upper end of the cylinder barrel is arranged at the upper end of the cylinder barrel; the piston is arranged in the cylinder barrel, the outer peripheral surface of the piston is in guiding sliding sealing fit with the inner wall of the cylinder barrel, a spring is arranged between the piston and the cylinder cover, the lower part of the piston is fixedly connected with the upper end part of the piston rod, the bottom surface of the cylinder barrel is provided with a through hole for penetrating the piston rod, a sealing ring for dynamically sealing a gap between the through hole and the piston rod is arranged between the through hole and the piston rod, the cylinder barrel is provided with an air hole for connecting an intermittent air charging and discharging system, and the air hole is arranged on the bottom surface of the cylinder barrel and/or the cylinder cover.
Preferably, the bottom surface of the cylinder barrel and the cylinder cover are both provided with one air hole, and the intermittent inflation and exhaust system comprises two air supply pipelines provided with inflation electromagnetic valves, two exhaust pipelines provided with exhaust electromagnetic valves, and an air supply device which is respectively connected with the two air holes through the two air supply pipelines; each air hole is communicated with one air supply pipeline and one air exhaust pipeline; the intermittent air charging and discharging system also comprises an electromagnetic valve controller which controls the two air charging electromagnetic valves and the two air discharging electromagnetic valves to be opened and closed so as to enable the two air holes to be alternately charged and discharged. The electromagnetic valve controller controls the inflation electromagnetic valve and the exhaust electromagnetic valve which are connected with the same air hole to be opened and closed alternately according to a preset time interval, and controls the inflation electromagnetic valve and the exhaust electromagnetic valve which are connected with different air holes to be opened and closed synchronously.
Preferably, the reciprocating linear motion cylinder further comprises a limiting assembly, the limiting assembly comprises a limiting rod, the lower end part of the limiting rod can abut against the piston to limit the upper limit of the upward position of the piston in the cylinder barrel, the cylinder cover is provided with a limiting hole for penetrating the limiting rod, the upper end part of the limiting rod is positioned outside the cylinder barrel, the lower end part of the limiting rod penetrates into the cylinder barrel from the limiting hole, the outer side wall of the limiting rod is provided with an annular groove for installing a sealing ring, and the sealing ring installed in the annular groove dynamically seals a gap between the limiting rod and the limiting hole; the limiting assembly further comprises a pressing plate fixedly connected with the upper end part of the limiting rod and a locking component used for fixing the position of the limiting rod, the locking component comprises a jackscrew, a jackscrew hole matched with the jackscrew is formed in the side wall of the cylinder cover, the jackscrew hole is communicated with the limiting hole, and the jackscrew penetrates through the jackscrew hole to abut against the limiting rod; the piston is provided with a seal ring for dynamically sealing a gap between the piston and the inner wall of the cylinder barrel, the lower end part of the cylinder cover is provided with a plug body which can be inserted into the cylinder barrel, and the outer side wall of the plug body is provided with a seal ring for sealing a gap between the plug body and the upper port of the cylinder barrel.
Preferably, the valve further comprises a cylinder support detachably connected with the cylinder and the valve block, the cylinder support is installed between the cylinder and the valve block, and the cylinder is fixedly installed above the valve block through the cylinder support; the lower part of the piston rod and the upper part of the plunger rod are both provided with external threads, the connecting component comprises a connecting nut matched with the external threads, and the piston rod is connected with the plunger rod through the connecting nut; the connecting nut, the sealing nut and the sealing gasket are sequentially sleeved on the plunger rod from top to bottom, the sealing nut is connected with the external thread of the piston rod, when the plunger moves downwards to block the upper port of the glue outlet hole, the sealing nut is abutted against the sealing gasket, and the sealing gasket is abutted against the upper port of the plunger rod channel so as to seal a gap between the plunger rod and the upper port of the plunger rod channel.
Preferably, the gasket is a tetrafluoro gasket.
Preferably, the upper part of the plunger rod channel is provided with a sealing groove section capable of accommodating the lower part of the sealing gasket, when the plunger moves downwards to the position for plugging the upper port of the glue outlet hole, the lower part of the sealing gasket is inserted into the sealing groove section, and the lower part of the sealing gasket is abutted against the inner wall of the sealing groove section to seal a gap between the plunger rod and the upper port of the plunger rod channel.
Preferably, the valve block comprises an outer block body and an inner block body, the upper end face of the outer block body is provided with a slot for accommodating the inner block body, the inner block body is fixedly inserted into the slot, the outer side wall of the inner block body is provided with a plurality of annular grooves for mounting sealing rings, the sealing rings mounted in the annular grooves are abutted against the slot to seal a gap between the outer block body and the inner block body, the plunger rod channel and the plunger cavity are arranged in the inner block body, the rubber outlet hole, the rubber return hole and the rubber inlet hole are arranged in the outer block body, the inner block body is provided with a first through hole for communicating the rubber return hole with the plunger rod channel, the inner block body is provided with a second through hole for communicating the rubber inlet hole with the plunger cavity, the inner block body is provided with a third through hole for communicating the rubber outlet hole with the plunger cavity, and the plunger moves downwards to the position for plugging the upper port of the rubber outlet hole, the plunger abuts the third through hole.
Preferably, the number of the glue inlet holes and the number of the glue return holes are multiple, and the first through holes and the second through holes are respectively arranged in one-to-one correspondence with the glue return holes and the glue inlet holes; the fixed cover is equipped with the rubber ring on the interior block the rubber ring is located advance between gluey hole and the plunger chamber, the rubber ring is equipped with the intercommunication advance gluey hole with the fourth through-hole of second through-hole, the fourth through-hole with advance gluey hole one-to-one setting.
Compared with the prior art, the invention has the advantages and positive effects that: a glue injection valve for dialyzer production is provided. The glue injection valve can realize quantitative control of glue outlet quantity at intervals and realize recovery of redundant glue, control of the packaging process is conveniently realized, uniformity of glue coating is guaranteed, packaging quality of a dialyzer is improved, and product quality of the dialyzer is guaranteed. Specifically, the method comprises the following steps:
(1) the linear reciprocating driving mechanism drives the plunger to do regular reciprocating motion in the plunger cavity so as to alternately block the glue outlet hole and communicate with a glue material channel of the glue return hole, thereby realizing the alternate communication of the glue inlet hole and the glue outlet hole and the glue return hole, realizing the alternate proceeding of glue outlet of the glue outlet hole and glue return of the glue return hole (glue material backflow) in the process of continuously inputting glue materials into the glue inlet hole, thereby realizing glue outlet at intervals and glue quantitative glue outlet, realizing the recycling of redundant glue materials, realizing the glue outlet control by controlling the reciprocating motion frequency, conveniently realizing the control on the packaging process, ensuring the uniformity of glue material coating, improving the packaging quality of the dialyzer and ensuring the product quality of the dialyzer.
(2) The injecting glue valve structure of preferred scheme many parts adopt can dismantle connection structure and assemble the constitution, can conveniently load and unload and overhaul, and injecting glue valve compact structure connects closely, and reducible trouble takes place, has improved work efficiency, and the junction sets up seal structure between each part, can improve the leakproofness and the operating stability of device, prevents that the sizing material from revealing the pollution dialysis membrane, guarantees the quality of product.
Drawings
FIG. 1 is a schematic structural diagram of a glue material backflow state of the glue injection valve of the present invention;
FIG. 2 is a schematic structural view of a glue injection valve limiting assembly according to the present invention;
FIG. 3 is a schematic structural diagram of a cylinder head of the glue injection valve of the present invention;
FIG. 4 is a schematic structural view of a cylinder barrel of the glue injection valve of the present invention;
FIG. 5 is a schematic structural view of an inner block of the glue injection valve of the present invention;
FIG. 6 is a schematic diagram of a rubber ring structure of the glue injection valve of the present invention;
FIG. 7 is a cross-sectional view of a rubber ring of the glue injection valve of the present invention;
FIG. 8 is a schematic view of the plunger of the present invention;
FIG. 9 is a schematic view of a cylinder mount of the present invention;
in the above figure: 1-sealing gasket, 2-rubber ring, 3-connecting nut, 4-plunger, 5-plunger rod, 6-sealing nut, 7-inner block, 8-valve block, 9-cylinder bracket, 10-cylinder barrel, 11-cylinder cover, 12-limiting component, 13-piston rod, 14-piston, 15-outer block, 16-sealing ring, 17-fixing screw, 18-air hole, 19-jackscrew hole, 20-glue outlet hole, 21-glue return hole, 22-glue inlet hole, 23-spring, 24-pressing plate, 25-limiting rod, 26-annular groove, 27-fourth through hole, 28-limiting hole, 29-plunger rod channel, 30-plunger cavity, 31-second through hole and 32-third through hole.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
It should be noted that in the description of the present invention, the terms "inside", "outside", "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example (b):
as shown in fig. 1 to 9, a glue injection valve for dialyzer production comprises a valve body assembly and a linear reciprocating driving mechanism, wherein the valve body assembly comprises a valve block 8 and a plunger 4 installed in the valve block 8; the valve block 8 is provided with a glue inlet hole 22 connected with the glue material supply device, a glue return hole 21 connected with the glue material recovery device, and a glue outlet hole 20 for injecting glue outwards; be equipped with in the valve block 8 and hold plunger chamber 30 of plunger 4, plunger chamber 30 intercommunication advance gluey hole 22, the intercommunication has been seted up to the valve block 8 plunger chamber 30 up end with the sizing material passageway of glue hole 21 returns, the lower terminal surface intercommunication in plunger chamber 30 go out gluey hole 20, the reciprocal actuating mechanism drive of straight line is connected plunger 4 is in order to drive plunger 4 is in regular up-and-down reciprocating motion in plunger chamber 30, the reciprocal actuating mechanism of straight line can drive plunger 4 goes up to the butt plunger chamber 30 with the connection port of sizing material passageway is so that it seals, the reciprocal actuating mechanism of straight line can drive plunger 4 goes down to the butt plunger chamber 30 with the connection port of going out gluey hole 20 is so that it seals.
The working process of the glue injection valve can be briefly described as follows:
and (3) glue discharging process: the linear reciprocating driving mechanism drives the plunger 4 to move upwards to abut against a connecting port of the plunger cavity 30 and the sizing material channel so as to seal the connecting port, so that the glue inlet hole 22 and the glue outlet hole 20 which are communicated with the plunger cavity 30 are communicated, and when a sizing material feeding device connected with the glue inlet hole 20 continuously feeds sizing material, the sizing material uniformly flows out from the glue outlet hole 20 to realize glue outlet;
and (3) glue returning process: the linear reciprocating driving mechanism drives the plunger 4 to move downwards to abut against a connecting port of the plunger cavity 30 and the glue outlet hole 20 so as to seal the connecting port, so that the glue inlet hole 22 communicated with the plunger cavity 30 is communicated with the glue material channel, when a glue material supplying device connected with the glue inlet hole 20 continuously supplies glue materials, the glue materials flow into the glue material returning hole 21 from the glue material channel, and redundant glue materials flow into the glue material recycling device from the glue material returning hole 21, so that the glue material recycling is realized;
the linear reciprocating driving mechanism drives the plunger 4 to do regular reciprocating motion in the plunger cavity 30 so as to alternatively block the glue outlet hole 20 and communicate with a glue material channel of the glue return hole 21, thereby realizing the alternate communication of the glue inlet hole 22 with the glue outlet hole 20 and the glue return hole 21, realizing the alternate proceeding of glue outlet of the glue outlet hole 20 and glue return of the glue return hole 21 (glue material backflow) in the process of continuously inputting glue materials into the glue inlet hole 22, thereby realizing the glue outlet at intervals and the glue outlet in a quantitative mode, and realizing the recovery of redundant glue materials, and realizing the glue outlet control by controlling the reciprocating motion frequency, thereby conveniently realizing the control of the packaging process, ensuring the coating uniformity of the glue materials, improving the packaging quality of the dialyzer and ensuring the product quality of the dialyzer.
Specifically, the number of the glue inlet holes 22 and the number of the glue return holes 21 are multiple. The glue inlet holes 22 are arranged to be connected with a plurality of glue material supply devices, so that the glue material supply amount can be conveniently adjusted and improved, different glue inlet holes 22 can be connected with glue material supply devices for supplying glue materials with different components, glue material mixing is realized in the plunger cavity 30, and the control of the components of the glue material is realized.
Specifically, the linear reciprocating driving mechanism comprises a vertically arranged plunger rod 5 and a linear reciprocating driving unit which is connected with the plunger rod 5 in a driving mode and moves up and down in a reciprocating mode regularly, the linear reciprocating driving unit comprises a control part for controlling reciprocating motion frequency, and the lower end part of the plunger rod 5 is fixedly connected with the top of the plunger 4; a plunger rod channel 29 for penetrating the plunger rod 5 is formed in the valve block 8 from the upper surface of the valve block downwards, the lower end opening of the plunger rod channel 29 is communicated with the upper end surface of the plunger cavity 30, a gap is reserved between the plunger rod 5 and the plunger rod channel 29 to form a rubber material channel, the upper end opening of the rubber outlet hole 20 is communicated with the lower end surface of the plunger cavity 30, and the lower end opening of the plunger rod channel 29 is arranged right above the upper end opening of the rubber outlet hole 20; the plunger rod 5 drives the plunger 4 to move upwards to block the lower port of the plunger rod channel 29 so as to block the lower port of the plunger rod channel 29, and the plunger rod 5 drives the plunger 4 to move downwards to block the upper port of the glue outlet hole 20 so as to block the upper port of the glue outlet hole 20.
Specifically, the linear reciprocating type driving unit comprises a reciprocating linear motion cylinder and a control device for controlling the reciprocating motion frequency of a piston rod 13 of the reciprocating linear motion cylinder, the piston rod 13 is vertically and downwards arranged, and the lower end part of the piston rod is connected with the upper end part of the plunger rod 5 through a connecting assembly.
In addition, the linear reciprocating driving unit can also adopt any existing linear reciprocating device, such as an eccentric wheel mechanism with a driving end performing linear reciprocating motion, an electric push rod controlled by a motor controller to perform linear reciprocating motion, and the like.
Specifically, the control device comprises an intermittent inflation and exhaust system, the reciprocating linear motion cylinder comprises a cylinder barrel 10 with a vertical central axis, the upper end of the cylinder barrel 10 is open, and the upper end of the cylinder barrel 10 is provided with a cylinder cover 11 for sealing the upper end of the cylinder barrel 10; a piston 14 is arranged in the cylinder barrel 10, the outer peripheral surface of the piston 14 is in guiding sliding sealing fit with the inner wall of the cylinder barrel 10, a spring 23 is arranged between the piston 14 and the cylinder cover 11, the lower part of the piston 14 is fixedly connected with the upper end part of the piston rod 13, a through hole for penetrating the piston rod 13 is formed in the bottom surface of the cylinder barrel 10, a sealing ring 16 for dynamically sealing a gap between the through hole and the piston rod 13 is arranged between the through hole and the piston rod 13, an air hole 18 for connecting an intermittent air charging and discharging system is formed in the cylinder barrel, and the air hole 18 is formed in the bottom surface of the cylinder barrel 10 and/or the cylinder cover 11.
Specifically, the bottom surface of the cylinder barrel 10 and the cylinder cover 11 are both provided with one air hole 18, and the intermittent inflation and exhaust system comprises two air supply pipelines provided with inflation electromagnetic valves, two exhaust pipelines provided with exhaust electromagnetic valves, and an air supply device respectively connected with the two air holes 18 through the two air supply pipelines; each of the air holes 18 communicates one of the air supply ducts and one of the air discharge ducts; the intermittent air charging and discharging system further comprises an electromagnetic valve controller which controls the two air charging electromagnetic valves and the two air discharging electromagnetic valves to be opened and closed so as to enable the two air holes 18 to be alternately charged and discharged. The electromagnetic valve controller controls the inflation electromagnetic valve and the exhaust electromagnetic valve which are connected with the same air hole 18 to be opened and closed alternately according to a preset time interval, and controls the inflation electromagnetic valve and the exhaust electromagnetic valve which are connected with different air holes 18 to be opened and closed synchronously.
When the linear reciprocating type driving unit adopts a reciprocating linear motion cylinder, the reciprocating linear motion cylinder and the control device can adopt the structure, and can also adopt any cylinder and a controller thereof which can realize controllable reciprocating frequency.
Specifically, the reciprocating linear motion cylinder further comprises a limiting assembly 12, the limiting assembly 12 comprises a limiting rod 25, the lower end part of the limiting rod 25 can abut against the piston 14 to limit the upper limit of the upward position of the piston 14 in the cylinder barrel 10, the cylinder head 11 is provided with a limiting hole 28 for penetrating the limiting rod 25, the upper end part of the limiting rod 25 is positioned outside the cylinder barrel 10, the lower end part of the limiting rod 25 penetrates into the cylinder barrel 10 from the limiting hole 28, the outer side wall of the limiting rod 25 is provided with an annular groove 26 for mounting a sealing ring 16, and the sealing ring 16 mounted in the annular groove 26 dynamically seals a gap between the limiting rod 25 and the limiting hole; the limiting assembly 12 further comprises a pressing plate 24 fixedly connected with the upper end of the limiting rod 25 and a locking component for fixing the position of the limiting rod, the locking component comprises a jackscrew, a jackscrew hole 19 matched with the jackscrew is formed in the side wall of the cylinder cover 11, the jackscrew hole 19 is communicated with the limiting hole 28, and the jackscrew penetrates through the jackscrew hole 19 to abut against the limiting rod 25; the periphery of the piston 14 is provided with a sealing ring 16 for dynamically sealing a gap between the piston 14 and the inner wall of the cylinder barrel 10, the lower end part of the cylinder cover 11 is provided with a plug body which can be inserted into the cylinder barrel 10, and the outer side wall of the plug body is provided with the sealing ring 16 for sealing the gap between the plug body and the upper port of the cylinder barrel 10. The limiting assembly 12 can conveniently limit the upper limit and the lower limit of the movement height of the piston 14, and the operation stability of the glue injection valve is improved. The sealing structure is arranged at the joint between each component, so that the sealing performance and the operation stability of the device can be improved, the rubber material is prevented from leaking to pollute the dialysis membrane, and the quality of the product is ensured.
Specifically, the glue injection valve further comprises a cylinder support 9 detachably connected with the cylinder 10 and the valve block 8, the cylinder support 9 is installed between the cylinder 10 and the valve block 8, and the cylinder 10 is fixedly installed above the valve block 8 through the cylinder support 9. The cylinder support 9 can connect the cylinder barrel 10 and the valve block 8 into a whole, so that the glue injection valve is convenient to use. The cylinder support 9 can be connected with the cylinder barrel 10 and the valve block 8 in any detachable connection mode, for example, the connection mode is realized by adopting a fixing screw 17, and the like, so that the glue injection valve is convenient to disassemble, assemble and maintain.
Specifically, the lower portion of the piston rod 13 and the upper portion of the plunger rod 5 are both provided with external threads, the connecting assembly comprises a connecting nut 3 matched with the external threads, and the piston rod 13 is connected with the plunger rod 5 through the connecting nut 3. The lower part of the piston rod 13 and the plunger rod 5 are connected in a detachable threaded connection mode, so that the glue injection valve can be more conveniently disassembled, assembled and maintained.
Besides the connection mode, the lower part of the piston rod 13 and the plunger rod 5 can also be connected by any existing fixed connection or detachable fixed connection mode.
Specifically, the connecting nut 3, the sealing nut 6 and the sealing gasket 1 capable of sealing a gap between the plunger rod 5 and an upper port of the plunger rod channel 29 are sequentially sleeved on the plunger rod 5 from top to bottom, the sealing nut 6 is connected with the external thread of the piston rod 13, when the plunger 4 descends to a position for plugging the upper port of the glue outlet hole 20, the sealing nut 6 abuts against the sealing gasket 1, and the sealing gasket 1 abuts against the upper port of the plunger rod channel 29 to seal the gap between the plunger rod 5 and the upper port of the plunger rod channel 29. The sealing gasket 1 can seal the upper port of the plunger rod channel 29 in the glue returning process of the glue, so that the glue is prevented from seeping, the equipment faults can be reduced, the service life of the glue injection valve is prolonged, the position of the sealing gasket 1 can be adjusted by the sealing nut 6, and the device is convenient to debug.
Specifically, the sealing gasket 1 is a tetrafluoro gasket.
Specifically, the upper portion of the plunger rod passage 29 is provided with a sealing groove section capable of accommodating the lower portion of the sealing gasket 1, when the plunger 4 moves down to block the upper port of the glue outlet 20, the lower portion of the sealing gasket 1 is inserted into the sealing groove section, and the lower portion of the sealing gasket 1 abuts against the inner wall of the sealing groove section to close a gap between the plunger rod 5 and the upper port of the plunger rod passage 29. The sealing groove section and the sealing gasket 1 are matched to ensure that the sealing gasket 1 tightly seals the upper port of the plunger channel 31, so that the phenomenon that the rubber material seeps out from the upper port of the plunger channel 31 in the rubber return process is better avoided, the equipment failure is reduced, and the service life of the rubber injection valve is prolonged.
Specifically, the valve block 8 includes an outer block body 15 and an inner block body 7, a slot for accommodating the inner block body 7 is formed in an upper end surface of the outer block body 15, the inner block body is fixedly inserted into the slot, a plurality of annular grooves 26 for mounting sealing rings 16 are formed in an outer side wall of the inner block body 4, the sealing rings mounted in the annular grooves 26 abut against the slot to seal a gap between the outer block body 15 and the inner block body 7, the plunger rod channel 29 and the plunger cavity 30 are arranged in the inner block body 7, the rubber outlet hole 20, the rubber return hole 21 and the rubber inlet hole 22 are arranged in the outer block body 15, the inner block body 7 is provided with a first through hole for communicating the rubber return hole 21 with the plunger rod channel 29, the inner block body 7 is provided with a second through hole 31 for communicating the rubber inlet hole 22 with the plunger cavity 30, the inner block body 7 is provided with a third through hole 32 for communicating the rubber outlet hole 20 with the plunger cavity 30, when the plunger 4 moves down to the position for plugging the upper port of the glue outlet hole 20, the plunger 4 abuts against the third through hole 32. The valve block 8 is designed into a detachable plug-in mode, so that the glue injection valve can be conveniently disassembled, assembled and maintained.
Specifically, the number of the glue inlet holes 22 and the number of the glue return holes 21 are multiple, and the first through holes and the second through holes 31 are respectively arranged in one-to-one correspondence with the glue return holes 21 and the glue inlet holes 22; the fixed cover is equipped with rubber ring 2 on the interior block 7 rubber ring 2 is located advance between gluey hole 22 and the plunger chamber 30, rubber ring 2 is equipped with the intercommunication advance gluey hole 22 with the fourth through-hole 27 of second through-hole 31, fourth through-hole 27 with advance gluey hole 22 one-to-one setting. The rubber ring 2 is arranged between the rubber return hole 21 and the second through hole 31, so that the sealing performance of the butt joint of the rubber return hole and the second through hole can be improved, rubber leakage is avoided, and the fault risk of the rubber injection valve is reduced.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (10)
1. The utility model provides a injecting glue valve for dialyzer production which characterized in that: the linear reciprocating valve comprises a valve body assembly and a linear reciprocating driving mechanism, wherein the valve body assembly comprises a valve block (8) and a plunger (4) arranged in the valve block (8); the valve block (8) is provided with a glue inlet hole (22) connected with the glue material supply device, a glue return hole (21) connected with the glue material recovery device and a glue outlet hole (20) for injecting glue outwards; a plunger cavity (30) capable of accommodating the plunger (4) is arranged in the valve block (8), the plunger cavity (30) is communicated with the glue inlet hole (22), the valve block (8) is provided with a glue material channel communicated with the upper end surface of the plunger cavity (30) and the glue return hole (21), the lower end surface of the plunger cavity (30) is communicated with the glue outlet hole (20), the linear reciprocating driving mechanism is in driving connection with the plunger (4) to drive the plunger (4) to do regular up-and-down reciprocating motion in the plunger cavity (30), the linear reciprocating driving mechanism can drive the plunger (4) to move upwards to abut against the connecting port of the plunger cavity (30) and the sizing material channel so as to close the connecting port, the linear reciprocating driving mechanism can drive the plunger (4) to descend to abut against a connecting port of the plunger cavity (30) and the glue outlet hole (20) so as to seal the connecting port.
2. The glue injection valve for dialyzer production of claim 1, wherein: the linear reciprocating driving mechanism comprises a vertically arranged plunger rod (5) and a linear reciprocating driving unit which is in driving connection with the plunger rod (5) to do regular up-and-down reciprocating motion, the linear reciprocating driving unit comprises a control part for controlling the reciprocating motion frequency, and the lower end part of the plunger rod (5) is fixedly connected with the top of the plunger (4); a plunger rod channel (29) used for penetrating the plunger rod (5) is formed in the valve block (8) from the upper surface of the valve block downwards, the lower port of the plunger rod channel (29) is communicated with the upper end surface of the plunger cavity (30), a gap is reserved between the plunger rod (5) and the plunger rod channel (29) to form a rubber material channel, the upper port of the rubber outlet hole (20) is communicated with the lower end surface of the plunger cavity (30), and the lower port of the plunger rod channel (29) is arranged right above the upper port of the rubber outlet hole (20); the plunger rod (5) drives the plunger (4) to move upwards to seal the lower port of the plunger rod channel (29) so as to seal the lower port of the plunger rod channel (29), and the plunger rod (5) drives the plunger (4) to move downwards to seal the upper port of the glue outlet hole (20) so as to seal the upper port of the glue outlet hole (20).
3. Glue injection valve for dialyzer production in accordance with claim 2, characterized in that: advance gluey hole (22) with it all establishes to return gluey hole (21) and be a plurality of, straight line reciprocating type drive unit includes reciprocal linear motion cylinder to and control piston rod (13) reciprocating motion frequency's of reciprocal linear motion cylinder controlling means, piston rod (13) vertical downward setting, the lower tip of piston rod passes through coupling assembling and connects plunger rod (5) upper end.
4. Glue injection valve for dialyzer production in accordance with claim 3, characterized in that: the control device comprises an intermittent inflation and exhaust system, the reciprocating linear motion cylinder comprises a cylinder barrel (10) with a vertical central axis, the upper end of the cylinder barrel (10) is open, and the upper end opening of the cylinder barrel (10) is provided with a cylinder cover (11) for sealing the upper end opening of the cylinder barrel (10); the air cylinder is characterized in that a piston (14) is installed in the air cylinder barrel (10), the outer peripheral surface of the piston (14) is in guiding sliding sealing fit with the inner wall of the air cylinder barrel (10), a spring (23) is arranged between the piston (14) and the air cylinder cover (11), the lower part of the piston (14) is fixedly connected with the upper end part of the piston rod (13), a through hole for penetrating the piston rod (13) is formed in the bottom surface of the air cylinder barrel (10), a sealing ring (16) for dynamically sealing a gap between the through hole and the piston rod (13) is arranged between the through hole and the piston rod (13), an air hole (18) for connecting an intermittent air charging and discharging system is formed in the air cylinder barrel, and the air hole (18) is formed in the bottom surface of the air cylinder barrel (10.
5. Glue injection valve for dialyzer production in accordance with claim 4, characterized in that: the bottom surface of the cylinder barrel (10) and the cylinder cover (11) are provided with one air hole (18), the intermittent air charging and discharging system comprises two air supply pipelines provided with air charging electromagnetic valves, two air discharge pipelines provided with air discharge electromagnetic valves and an air supply device respectively connected with the two air holes (18) through the two air supply pipelines; each air hole (18) is communicated with one air supply pipeline and one air exhaust pipeline; the intermittent air charging and discharging system also comprises an electromagnetic valve controller which controls the two air charging electromagnetic valves and the two air discharging electromagnetic valves to be opened and closed so as to enable the two air holes (18) to be alternately charged and discharged.
6. Glue injection valve for dialyzer production in accordance with claim 4, characterized in that: the reciprocating linear motion cylinder further comprises a limiting assembly (12), the limiting assembly (12) comprises a limiting rod (25) of which the lower end part can be abutted against the piston (14) to limit the upper limit of the upward position of the piston (14) in the cylinder barrel (10), a limiting hole (28) used for penetrating the limiting rod (25) is formed in the cylinder head (11), the upper end part of the limiting rod (25) is positioned outside the cylinder barrel (10), the lower end part of the limiting rod (25) penetrates into the cylinder barrel (10) from the limiting hole (28), an annular groove (26) used for installing a sealing ring (16) is formed in the outer side wall of the limiting rod (25), and the sealing ring (16) installed in the annular groove (26) dynamically seals a gap between the limiting rod (25) and the limiting hole; the limiting assembly (12) further comprises a pressing plate (24) fixedly connected with the upper end part of the limiting rod (25) and a locking component used for fixing the position of the limiting rod, the locking component comprises a jackscrew, a jackscrew hole (19) matched with the jackscrew is formed in the side wall of the cylinder cover (11), the jackscrew hole (19) is communicated with the limiting hole (28), and the jackscrew penetrates through the jackscrew hole (19) to abut against the limiting rod (25); the piston (14) periphery is equipped with the movablely sealed piston (14) and the sealing washer (16) of the gap between the cylinder section of thick bamboo (10) inner wall, the lower tip of cylinder head (11) is equipped with the cock body that can plug in cylinder section of thick bamboo (10), the cock body lateral wall is equipped with sealed the cock body with sealing washer (16) of the gap between the port on cylinder section of thick bamboo (10).
7. Glue injection valve for dialyzer production in accordance with claim 3, characterized in that: the valve block is characterized by further comprising a cylinder support (9) which is detachably connected with the cylinder barrel (10) and the valve block (8), wherein the cylinder support (9) is installed between the cylinder barrel (10) and the valve block (8), and the cylinder barrel (10) is fixedly installed above the valve block (8) through the cylinder support (9); the lower part of the piston rod (13) and the upper part of the plunger rod (5) are both provided with external threads, the connecting assembly comprises a connecting nut (3) matched with the external threads, and the piston rod (13) is connected with the plunger rod (5) through the connecting nut (3); the connecting nut (3), the sealing nut (6) and the sealing gasket (1) are sequentially sleeved on the plunger rod (5) from top to bottom, the sealing nut (6) is connected with the external thread of the piston rod (13), when the plunger (4) moves downwards to block the upper end opening of the glue outlet hole (20), the sealing nut (6) is abutted to the sealing gasket (1), and the sealing gasket (1) is abutted to the upper end opening of the plunger rod channel (29) so as to seal a gap between the plunger rod (5) and the upper end opening of the plunger rod channel (29).
8. Glue injection valve for dialyzer production in accordance with claim 7, characterized in that: the upper part of the plunger rod channel (29) is provided with a sealing groove section capable of accommodating the lower part of the sealing gasket (1), when the plunger (4) descends to the position for plugging the upper port of the glue outlet hole (20), the lower part of the sealing gasket (1) is inserted into the sealing groove section, and the lower part of the sealing gasket (1) is abutted against the inner wall of the sealing groove section so as to seal a gap between the plunger rod (5) and the upper port of the plunger rod channel (29).
9. Glue injection valve for dialyzer production in accordance with claim 7, characterized in that: the valve block (8) comprises an outer block body (15) and an inner block body (7), a slot for accommodating the inner block body (7) is formed in the upper end face of the outer block body (15), the inner block body is fixedly inserted into the slot, a plurality of annular grooves (26) for mounting sealing rings (16) are formed in the outer side wall of the inner block body (4), the sealing rings mounted in the annular grooves (26) are abutted against the slot to seal gaps between the outer block body (15) and the inner block body (7), the plunger rod channel (29) and the plunger cavity (30) are formed in the inner block body (7), the rubber outlet hole (20), the rubber return hole (21) and the rubber inlet hole (22) are formed in the outer block body (15), the inner block body (7) is provided with a first through hole for communicating the rubber return hole (21) and the plunger rod channel (29), the inner block body (7) is provided with a second through hole (31) for communicating the rubber inlet hole (22) and the plunger cavity (30), interior block (7) are equipped with the intercommunication go out gluey hole (20) with third through-hole (32) in plunger chamber (30), plunger (4) are down to the shutoff when going out gluey hole (20) up end position, plunger (4) butt third through-hole (32).
10. The glue injection valve for dialyzer production of claim 9, wherein: the glue inlet holes (22) and the glue return holes (21) are multiple, and the first through holes and the second through holes are respectively arranged in one-to-one correspondence with the glue return holes (21) and the glue inlet holes (22); fixed cover is equipped with rubber ring (2) on interior block (7) the rubber ring is located advance between gluey hole (22) and plunger chamber (30), rubber ring (2) are equipped with the intercommunication advance gluey hole (22) with fourth through-hole (27) of second through-hole (31), fourth through-hole (27) with advance gluey hole (22) one-to-one setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010238024.6A CN111229550A (en) | 2020-03-30 | 2020-03-30 | Glue injection valve for dialyzer production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010238024.6A CN111229550A (en) | 2020-03-30 | 2020-03-30 | Glue injection valve for dialyzer production |
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| Publication Number | Publication Date |
|---|---|
| CN111229550A true CN111229550A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010238024.6A Pending CN111229550A (en) | 2020-03-30 | 2020-03-30 | Glue injection valve for dialyzer production |
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| Country | Link |
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| CN (1) | CN111229550A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457921A (en) * | 2021-07-08 | 2021-10-01 | 苏州特瑞特机器人有限公司 | Efficient glue dispensing system |
| CN113477471A (en) * | 2021-07-08 | 2021-10-08 | 苏州特瑞特机器人有限公司 | High-quality automatic glue dispensing device |
| CN113909069A (en) * | 2021-09-09 | 2022-01-11 | 成都飞机工业（集团）有限责任公司 | Nut covering tool and using method thereof |
-
2020
- 2020-03-30 CN CN202010238024.6A patent/CN111229550A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113457921A (en) * | 2021-07-08 | 2021-10-01 | 苏州特瑞特机器人有限公司 | Efficient glue dispensing system |
| CN113477471A (en) * | 2021-07-08 | 2021-10-08 | 苏州特瑞特机器人有限公司 | High-quality automatic glue dispensing device |
| CN113909069A (en) * | 2021-09-09 | 2022-01-11 | 成都飞机工业（集团）有限责任公司 | Nut covering tool and using method thereof |
| CN113909069B (en) * | 2021-09-09 | 2022-07-15 | 成都飞机工业（集团）有限责任公司 | Nut covering tool and using method thereof |
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Address after: No. 20, Xingshan Road, Weigao Industrial Park, chucun, Weihai high tech District, Weihai City, Shandong Province, 264200 Applicant after: Shandong Weigao blood purification products Co.,Ltd. Address before: 264209 No.20 Xingshan Road, Weihai Torch hi tech Industrial Development Zone, Weihai City, Shandong Province Applicant before: WEIHAI WEIGAO BLOOD PURIFICATION PRODUCTS Co.,Ltd. |
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