CN213967461U

CN213967461U - Integrated trace metering assembly

Info

Publication number: CN213967461U
Application number: CN202023018438.2U
Authority: CN
Inventors: 李麟; 宋小利; 汪晗
Original assignee: Weihai Rongze Industrial Automation Equipment Co ltd
Current assignee: Weihai Rongze Industrial Automation Equipment Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-17
Anticipated expiration: 2030-12-15

Abstract

The utility model provides an integrated form micro-metering assembly, it is equipped with the valve body, the injecting glue interface channel has been seted up to the upper end side of valve body, injecting glue interface channel communicates in proper order and is equipped with vertical measurement cavity and goes out the gluey passageway, be equipped with the plunger rod in the vertical measurement cavity, the connecting hole has been seted up to the lower extreme of valve body, be equipped with the column seal in the connecting hole, the case chamber has been seted up to the column seal, the case intracavity is equipped with the case, the middle part of case is equipped with the annular groove along its axial, the piston that the valve body and cylinder were worn out to the right-hand member of case is connected, under the effect of the piston of cylinder, the case can be followed the case chamber and removed the removal, realize vertical measurement cavity and go out gluey intercommunication and close of passageway. The utility model discloses simple structure, volume are less, and the plunger rod is more nearly from going out gluey mouthful, and convenient accurate measurement goes out gluey volume, and the cooperation module realizes that the micro-control goes out gluey process, and the application is wide, but wide application in point fluid machine measurement technical field.

Description

Integrated trace metering assembly

Technical Field

The utility model relates to a fluid machine measurement technical field is glued to point, in particular to integrated form trace measurement assembly.

Background

At present, the domestic glue dispenser consists of a controller, an air compressor and an injection needle tube, and is widely used for potting, fixing and coating processes in the electronic industry. When the pneumatic dispenser works, the piston is pushed to advance by compressed air generated by the air compressor, and the controller adjusts the glue discharging amount by controlling the size and duration of the compressed air and the positive and negative directions of air pressure. However, the existing glue dispenser equipment has large volume, wide occupied area, complex pipeline and narrow application range; and if the operation such as dotting, drawing a line, drawing an arc of gluing the way is realized to the cooperation triaxial module, it is necessary to separate valve and metering unit, makes the fluid pipeline elongated, does not accomplish the accurate control volume of gluing.

Disclosure of Invention

The utility model aims at solving the technical deficiencies, provide a simple structure, the volume is less, convenient operation just can the accurate control go out integrated form micro-metering assembly of gluey volume.

Therefore, the utility model provides an integrated form micro-metering assembly, it is equipped with the valve body, the injecting glue interface channel has been seted up to the upper end side of valve body, injecting glue interface channel communicates in proper order and is equipped with vertical measurement cavity and goes out the gluey passageway, be equipped with the plunger rod in the vertical measurement cavity, the connecting hole has been seted up to the lower extreme of valve body, be equipped with the column seal in the connecting hole, the case chamber has been seted up to the column seal, the case intracavity is equipped with the case, the middle part of case is equipped with the annular groove along its axial, the right-hand member of case is worn out the piston that the valve body was connected with the cylinder, under the effect of the piston of cylinder, the case can be followed the case chamber and removed, realize vertical measurement cavity and go out gluey intercommunication and close of passageway.

Preferably, the side of the upper end of the valve body is further connected with a glue inlet valve body, the glue inlet valve body is provided with a glue inlet, the glue inlet is communicated with a glue inlet channel, the glue inlet channel is communicated with a glue injection connecting channel in a sealing manner, a glue inlet sealing striker is arranged in the glue inlet channel, and the glue inlet sealing striker can move up and down along the glue inlet channel.

Preferably, the outer circumference of the glue inlet sealing striker is further sleeved with a diaphragm, the inner edge of the diaphragm is tightly attached to the outer circumference of the glue inlet sealing striker, and the outer edge of the diaphragm is fixedly connected with the inner side wall of the glue inlet channel.

Preferably, the upper portion of the valve body is connected and is equipped with the upper bracket, the upper portion of the upper bracket is equipped with servo motor, servo motor's output shaft is connected with the lead screw through the shaft coupling, the upper portion spiro union of lead screw is equipped with screw-nut, screw-nut is connected with the upper end of plunger rod, the lower extreme of plunger rod is located vertical metering cavity, under servo motor's effect, screw-nut up-and-down motion drives the plunger rod up-and-down motion simultaneously in vertical metering cavity.

Preferably, the inner side wall of the upper bracket is also provided with a limiting slide rail matched with the feed screw nut, and the feed screw nut moves up and down along the limiting slide rail through the feed screw nut sleeve.

Preferably, still be equipped with sealing wire and V type seal receptacle between valve body and the upper bracket, the outer circumference and the valve body fixed connection of plunger rod are located to sealing wire and V type seal receptacle cover, and the interior circumference of V type seal receptacle closely laminates with the outer circumference of plunger rod, and the lower terminal surface of V type seal receptacle and the last port butt of vertical measurement cavity.

Preferably, the lower extreme of valve body is equipped with the syringe needle, and the syringe needle is linked together with going out gluey passageway, and the syringe needle passes through lock nut and fixes compressing tightly.

Preferably, the left end of the connecting hole is provided with a sealing end cover.

Preferably, the cylinder passes through cylinder support and valve body fixed connection.

The utility model provides an integrated form micro-metering assembly has following beneficial effect:

the utility model discloses be equipped with the valve body and advance gluey valve body, this internal vertical measurement cavity and the gluey passageway of play of being equipped with of valve body, vertical measurement cavity intercommunication is equipped with the injecting glue interface channel and advances gluey passageway. When the annular groove is not communicated with the vertical metering chamber and the glue outlet channel, and the glue outlet channel is disconnected, the glue inlet sealing firing pin moves upwards, the glue inlet channel is opened, and the plunger rod moves upwards to suck the glue into the vertical metering chamber and fill the vertical metering chamber. When the tail end of the rubber inlet sealing firing pin plugs the rubber inlet channel and the rubber inlet channel is closed, the valve core moves to the right, so that the annular groove is communicated with the vertical metering chamber and the rubber outlet channel, the rubber outlet channel is opened, the plunger rod moves downwards to extrude the rubber out of the vertical metering chamber, and the micro-quantity accurate control is realized.

The utility model discloses simple structure, small, the leakproofness is good, and is wide with triaxial module cooperation application, and the plunger rod is more nearly from going out gluey mouthful, and convenient accurate measurement goes out gluey volume, guarantees accurate trace and goes out gluey when can realizing glue etc. and dotting, setting-out, drawing the arc, makes whole glue dispensing process continuously go on, ensures the processingquality of colloid work piece.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of a cross-sectional view of the present invention;

fig. 3 is a schematic structural diagram of the valve element of the present invention.

The labels in the figure are: 1. the automatic glue injection valve comprises a valve body, 11 glue injection connecting channels, 12 vertical metering chambers, 13 glue outlet channels, 14 sealing end covers, 15 columnar sealing bodies, 152 valve cores, 1521 annular grooves, 2 upper supports, 21 servo motors, 22 lead screws, 23 lead screw nuts, 24 plunger rods, 25 limiting slide rails, 26 lead screw nut sleeves, 27 sealing wires, 28V-shaped sealing seats, 3 air cylinders, 31 air cylinder supports, 4 glue inlet valve bodies, 41 glue inlet ports, 42 glue inlet channels, 43 glue inlet port sealing striker, 431 diaphragms, 5 needles and 51 locking nuts.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special regulation is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

By fig. 1 ~ 3, the utility model provides an integrated form micro-metering assembly, it is equipped with valve body 1, and injecting glue interface channel 11 has been seted up to the upper end side of valve body 1, and injecting glue interface channel 11 communicates in proper order and is equipped with coaxial vertical measurement cavity 12 and goes out gluey passageway 13, goes out gluey passageway 13 intercommunication and is equipped with syringe needle 5, and syringe needle 5 compresses tightly through lock nut 51 is fixed with 1 fixed connection of valve body. A plunger rod 24 is arranged in the vertical metering chamber 12, and the plunger rod 24 moves up and down to extrude glue out of the vertical metering chamber 12, so that a micro-metering glue discharging process is realized. The inside connecting hole of transversely having seted up of lower extreme of valve body 1, the left end of connecting hole is equipped with end cover 14, and end cover 14 and valve body 1 fixed connection are with the connecting hole sealing. The columnar sealing body 15 is arranged in the connecting hole, the valve core cavity is formed in the columnar sealing body 15, the valve core 152 is arranged in the valve core cavity in a sliding connection mode, the outer circumferential wall of the valve core 152 is attached to the inner circumferential wall of the valve core cavity, and therefore sealing of the glue outlet pipeline is achieved, and accurate metering of glue outlet amount is achieved. The middle part of case 152 is equipped with annular groove 1521 along its axial, and the right-hand member of case 152 is worn out valve body 1 and is connected with the piston of cylinder 3, and cylinder 3 passes through cylinder support 31 and valve body 1 fixed connection. Under the action of the piston of the cylinder 3, the valve core 152 can move left and right along the valve core cavity, so that the vertical metering cavity 12 is communicated with the glue outlet channel 13 and is closed, and further glue outlet and glue non-outlet are realized. When the annular groove 1521 is communicated with the vertical metering chamber 12 and the glue outlet channel 13, the whole glue outlet pipeline is communicated, when the plunger rod 24 moves downwards, glue is extruded to flow out along the annular groove 1521, the glue outlet channel 13 and the needle 5, and is in a glue outlet state, and the left end of the valve core 152 is not in contact with the sealing end cover 14. When the valve core 152 moves leftwards under the action of the cylinder 3, the annular groove 1521 is not communicated with the vertical metering chamber 12 and the glue outlet channel 13, the glue outlet pipeline is disconnected, and the glue outlet pipeline is in a glue non-discharging state.

The upper end side of valve body 1 still connects and is equipped with into gluey valve body 4, advances gluey valve body 4 and has seted up into gluey mouth 41, advances gluey mouth 41 intercommunication and is equipped with into gluey passageway, and the front end radius of advancing gluey passageway is great, and the rear end radius is less, and advances gluey end opening and the internal diameter phase-match of injecting glue interface channel 11 and sealed intercommunication of passageway. The glue inlet sealing striker 43 is arranged in the front end of the glue inlet channel, the tail end of the glue inlet sealing striker 43 is conical, and the glue inlet sealing striker can move up and down along the glue inlet channel under the control of a controller program to realize the opening and the disconnection of the glue inlet channel.

The outer circumference of the glue inlet sealing striker 43 is also sleeved with a diaphragm 431, the inner edge of the diaphragm 431 is tightly attached to the outer circumference of the glue inlet sealing striker 43, the outer edge of the diaphragm 431 is fixedly connected with the inner side wall of the glue inlet channel, and when the glue inlet sealing striker 43 moves up and down, the arrangement of the diaphragm 431 ensures the sealing performance of the glue inlet channel and prevents glue from overflowing.

The upper portion of valve body 1 is still connected and is equipped with upper bracket 2, and the upper portion of upper bracket 2 is equipped with servo motor 21, and servo motor 21's output shaft is connected with lead screw 22 through the shaft coupling, and the upper portion spiro union of lead screw 22 is equipped with screw-nut 23, and screw-nut 23 is connected with the upper end of plunger rod 24, and the lower extreme of plunger rod 24 is located in vertical measurement cavity 12.

The inner side wall of the upper bracket 2 is also provided with a limiting slide rail 25 matched with the feed screw nut 23, the limiting slide rail 25 is vertically arranged, and the feed screw nut 23 moves up and down along the limiting slide rail 25 through a feed screw nut sleeve 26. Under the action of the servo motor 21, the feed screw 22 rotates and transmits the feed screw to the feed screw nut 23, and the feed screw nut 23 moves up and down along the limiting slide rail 25 along with the feed screw nut sleeve 26 to drive the plunger rod 24 to move up and down in the vertical metering chamber 12 simultaneously to extrude the glue. The servo motor 21, the screw rod 22, the screw rod nut 23, the screw rod nut sleeve 26, the limiting slide rail 25 and the plunger rod 24 cooperate to ensure that the distance between the descending and the ascending of the plunger rod 24 is accurately controlled each time, and further ensure the accuracy and the consistency of the glue discharging amount of the glue discharging channel 13 each time.

Still be equipped with sealed silk 27 and V type seal receptacle 28 between valve body 1 and upper bracket 2, the outer circumference and valve body 1 fixed connection of plunger rod 24 are located to sealed silk 27 and V type seal receptacle 28 cover, and the interior circumference of V type seal receptacle 28 closely laminates with the outer circumference of plunger rod 24, and the lower terminal surface of V type seal receptacle 28 and the last port butt of vertical measurement cavity 12 block up vertical measurement cavity 12 is sealed, prevents that the glue water is excessive, influences the measurement precision.

The utility model discloses a theory of operation does:

firstly, a controller program controls the matching of a servo motor 21, a lead screw 22 and a lead screw nut 23, the up-down movement distance of a plunger rod 24 is accurately controlled, the plunger rod 24 is placed at a position before glue feeding, the piston rod of a cylinder 3 extends leftwards at the moment, a valve core 152 moves leftwards, an annular groove 1521 is not communicated with a vertical metering chamber 12 and a glue outlet channel 13, a glue outlet pipeline is disconnected, and the glue outlet channel 13 is in a sealed state without glue outlet; and the glue inlet sealing striker 43 moves up under the program control of the controller, and the glue inlet channel is opened.

Then, the controller program controls the servo motor 21 to rotate and transmit the rotation to the feed screw nut 23, the feed screw nut 23 drives the plunger rod 24 to move upwards at the same time, and the glue is sucked into the vertical metering chamber 12 along the glue inlet 41, the glue inlet channel and the glue injection connecting channel 11 and is filled.

When the plunger rod 24 stops after rising to the position before glue discharging, the controller program controls the glue inlet sealing striker 43 to move downwards, and when the tail end of the glue inlet sealing striker 43 blocks the glue inlet channel, the glue inlet channel is closed. The controller program controls the piston of the cylinder 3 to move rightwards to drive the valve core 152 to move rightwards, so that the annular groove 1521 is communicated with the vertical metering chamber 12 and the glue outlet channel 13, the glue outlet channel 13 is opened, the controller program controls the servo motor 21 to rotate, the screw rod nut 23 drives the plunger rod 24 to move downwards simultaneously, glue is extruded from the vertical metering chamber 12 and accurately and quantitatively extruded along the annular groove 1521, the glue outlet channel 13 and the needle head 5, and the micro-quantity accurate control glue outlet process is achieved.

When the plunger rod 24 reaches the descending rated stroke, the metering of the glue at one time is finished, the program controls the piston rod of the air cylinder 3 to move left, so that the glue outlet channel 13 is closed, the program controls the glue inlet sealing striker 43 to move upwards, the glue inlet channel is opened, and the program controls the servo motor 21 to rotate so that the plunger rod 24 moves upwards to suck the glue and then the next micro precise metering is started.

The reciprocating circulation ensures the accuracy and precision of each trace amount of glue, thereby ensuring that each workpiece has the same high-quality characteristic. To sum up, the utility model discloses simple structure, small, with triaxial module cooperation application face wide, guarantee accurate trace and go out to glue when can realizing dotting, setting-out, drawing the arc such as glue, whole point is glued the process and is continuously gone on, ensures the processingquality of colloid work piece.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. The utility model provides an integrated form micro-metering assembly, its is equipped with the valve body, the injecting glue interface channel has been seted up to the upper end side of valve body, injecting glue interface channel communicates in proper order and is equipped with vertical measurement cavity and goes out gluey passageway, be equipped with the plunger rod in the vertical measurement cavity, the connecting hole has been seted up to the lower extreme of valve body, be equipped with the column seal in the connecting hole, the case chamber has been seted up to the column seal, be equipped with the case in the case chamber, the middle part of case is equipped with annular groove along its axial, the right-hand member of case wears out the valve body is connected with the piston of cylinder under the effect of the piston of cylinder, the case can be followed the case chamber is removed from the side to side, realizes the intercommunication and the closing of vertical measurement cavity with it goes out gluey passageway.

2. The integrated micro-metering assembly as claimed in claim 1, wherein a glue inlet valve body is further connected to a side surface of the upper end of the valve body, a glue inlet is formed in the glue inlet valve body, a glue inlet passage is formed in the glue inlet in a communicating manner, the glue inlet passage is in sealing communication with the glue injection connecting passage, a glue inlet sealing striker is arranged in the glue inlet passage, and the glue inlet sealing striker can move up and down along the glue inlet passage.

3. The integrated micro-metering assembly as claimed in claim 2, wherein a diaphragm is further sleeved on an outer circumference of the glue inlet sealing striker, an inner edge of the diaphragm is tightly attached to the outer circumference of the glue inlet sealing striker, and an outer edge of the diaphragm is fixedly connected to an inner side wall of the glue inlet passage.

4. The integrated micro-metering assembly of claim 1, wherein an upper bracket is connected to an upper portion of the valve body, a servo motor is arranged on an upper portion of the upper bracket, an output shaft of the servo motor is connected to a lead screw through a coupler, a lead screw nut is screwed on an upper portion of the lead screw and connected to an upper end of the plunger rod, a lower end of the plunger rod is arranged in the vertical metering chamber, and the lead screw nut moves up and down to drive the plunger rod to move up and down simultaneously in the vertical metering chamber under the action of the servo motor.

5. The integrated micro-metering assembly as claimed in claim 4, wherein the inner side wall of the upper bracket is further provided with a limit slide rail matched with the feed screw nut, and the feed screw nut moves up and down along the limit slide rail through a feed screw nut sleeve.

6. The integrated micro-metering assembly of claim 4, wherein a sealing wire and a V-shaped sealing seat are further arranged between the valve body and the upper bracket, the sealing wire and the V-shaped sealing seat are sleeved on the outer circumference of the plunger rod and fixedly connected with the valve body, the inner circumference of the V-shaped sealing seat is tightly attached to the outer circumference of the plunger rod, and the lower end face of the V-shaped sealing seat is abutted to the upper port of the vertical metering chamber.

7. The integrated micro-metering assembly as claimed in claim 1, wherein a needle is provided at a lower end of the valve body, the needle is communicated with the glue outlet passage, and the needle is fixedly pressed by a locking nut.

8. The integrated micro metering assembly of claim 1, wherein a sealing end cap is provided at a left end of the connecting hole.

9. The integrated micro metering assembly of claim 1, wherein the cylinder is fixedly connected to the valve body via a cylinder bracket.