CN205868693U - A power device for fluid metering device - Google Patents

Abstract

The application discloses a power device for fluid metering device, the fluid metering device include: and a support. The injecting glue subassembly, with support relatively fixed, including the metering unit and the base plate subassembly that set up from top to bottom, metering unit includes at least one piston assembly, is formed with fluid passage independent more than 1 on the base plate subassembly, every fluid passage corresponds respectively and communicates in 1 piston assembly's below, drive assembly installs on the support, and this drive assembly acts on piston assembly and pours into the fluid in it into fluid passage, and drive assembly includes motor, drive mechanism, lead screw, nut supporting shoe and drive block, and the lead screw is rotatable to be installed on the support, and nut supporting shoe and lead screw normal running fit, drive block are fixed in the nut supporting shoe through the mounting panel on, the motor passes through drive mechanism to be connected in the lead screw and can drive the lead screw rotation, and the drive block acts on piston assembly's piston rod top. The utility model discloses a lead screw driving method can improve fluid measuring accuracy.

Description

Power set for apparatus for metering fluids

Technical field

The application relates to a kind of power set for apparatus for metering fluids, is mainly used in new-energy automobile and automobile electricity The new forms of energy such as son, wind-power electricity generation, photovoltaic solar cell assembly, LED efficient illumination, relay, sensor, pcb board etc. manufacture Technical field.

Background technology

Glue-injection machine is that special convection cell is controlled, and by fluid drop, coating, embedding in product surface or interiors of products Automatic machinery so that it is reach to seal, the equipment acted on such as fixing, waterproof.The glue that is mainly used in production, oil with And the bonding of other liquid, perfusion, coating, seal, fill.

Glue-injection machine all can arrange injecting glue metering section, and control joining of glue injecting head different fluid the most accurately, efficiently Ratio and flow are current problems in urgent need to solve.

Utility model content

The purpose of this utility model is to provide a kind of power set for apparatus for metering fluids, to overcome prior art In deficiency.

For achieving the above object, the following technical scheme of this utility model offer:

The embodiment of the present application discloses a kind of power set for apparatus for metering fluids, described apparatus for metering fluids bag Include:

Support；

Injecting glue assembly, is relatively fixed with support, including gauge assembly setting up and down and board unit, described gauge assembly Including at least one piston component, described board unit is formed with more than 1 independent fluid passage, each fluid passage The corresponding lower section being communicated in 1 described piston component respectively；

Driving assembly, be installed on support, this driving assembly acts on described piston component and is injected by its interior fluid Fluid passage, described driving assembly includes motor, drive mechanism, screw mandrel, nut support block and drive block, and described screw mandrel is rotatable Being installed on support, described nut support block is rotatably assorted with screw mandrel, and described drive block is fixed on nut support by installing plate On block, described motor is connected to screw mandrel by drive mechanism and screw mandrel can be driven to rotate, and described drive block acts on piston component Piston rod top.

Preferably, in the above-mentioned power set for apparatus for metering fluids, described drive mechanism includes three kinds of forms: Active synchronization wheel and driven synchronization take turns (two gears engage, or rack-and-pinion coordinates), and described active synchronization wheel (gear) is installed In the outfan of motor, described driven synchronize wheel (gear or tooth bar) be fixed on screw mandrel, described active synchronization wheel (gear) and Driven synchronization is in transmission connection between wheel (gear or tooth bar).

Preferably, in the above-mentioned power set for apparatus for metering fluids, described support has an installation cavity, institute State motor and be fixed on the top of support, in the outfan of described motor convexedly stretches in installation cavity body and with active synchronization, take turns (gear) admittedly Fixed.

Preferably, in the above-mentioned power set for apparatus for metering fluids, described active synchronization wheel (gear) and from Dynamic synchronization is in transmission connection between wheel (gear or tooth bar), and the described driven wheel (gear or tooth bar) that synchronizes is installed on the top of screw mandrel.

Preferably, in the above-mentioned power set for apparatus for metering fluids, described support is provided with sensor, should Sensor correspondence nut support block is arranged to detect its positional information.

Preferably, in the above-mentioned power set for apparatus for metering fluids, described sensor is arranged at installation cavity In.

Preferably, in the above-mentioned power set for apparatus for metering fluids, two setting up and down of described sensor, should Sensor is in order to detect the upper-lower position of nut support block and to send this information to control module, and control module acts on electricity Machine, to control nut support block maximum displacement position.

Preferably, in the above-mentioned power set for apparatus for metering fluids, the outer wall of described support is vertically disposed with Fixed block under fixed block and screw mandrel on screw mandrel, the two ends of described screw mandrel are rotationally connected with on screw mandrel solid under fixed block and screw mandrel respectively Determine block.

Preferably, in the above-mentioned power set for apparatus for metering fluids, described support is provided with guiding nut and props up Bracer keeps the guide rail of balance along guide screw movement.

Compared with prior art, the utility model has the advantage of:

(1), this utility model use screw mandrel type of drive, fluid metering precision can be improved；

(2), this utility model in fluid volume ratio, set the interior section area ratio of each piston, to different fluids Measure, distributing precision can be improved further；

(3), each piston component of this utility model be independent device, can according to different ratio require it is torn open Unload replacing；

(4), inhaling after glue completes, before plastic emitting and during plastic emitting, piston rod is in sustained height all the time, so that it is guaranteed that different The synchronization of fluid and proportioning accurate；

(5), fluid passage realize opening and closing, good sealing effect by power mode, service life is long；

(6), intensive runner design, a set of drive system can be used, simultaneously drive and overlap metering system more；

(7), this utility model is by improving synchronization and the distributing precision of fluid metering, during can reducing equipment debugging Fluid wastage.

(8), this utility model is by improving synchronization and the distributing precision of fluid metering, during can reducing equipment debugging The use of cleanout fluid, thus reduce discharging of waste liquid, realize low-carbon (LC), environmental protection.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments described in application, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 show the perspective view of apparatus for metering fluids in this utility model specific embodiment；

Fig. 2 show the structural representation driving assembly in this utility model specific embodiment；

Fig. 3 show the structural representation of gauge assembly in this utility model specific embodiment；

Fig. 4 show the perspective exploded view of board unit in this utility model specific embodiment；

Fig. 5 show the perspective exploded view at another visual angle of board unit in this utility model specific embodiment.

Detailed description of the invention

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Detailed description, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole enforcement Example.Based on the embodiment in this utility model, those of ordinary skill in the art are institute on the premise of not making creative work The every other embodiment obtained, broadly falls into the scope of this utility model protection.

The present embodiment is specifically described with point gum machine it should be appreciated that, point gum machine is that this utility model should A kind of equipment describe, this technology is equally applicable to: glue pouring machine, glue-injection machine, adhesive supplier, oiling machine, filling machine, glue spraying The similar phase applied with fluid proportioning, distribution, drop, coating, embedding etc. such as machine, coating machine, foaming machine, fluid distribution apparatus Pass equipment.

Shown in Fig. 1, apparatus for metering fluids includes support 1, drives assembly 2 and injecting glue assembly 3, drives assembly 2 to install On support 1, injecting glue assembly 3 is relatively fixed with support 1, and injecting glue assembly 3 includes more than 1 independent fluid passage.

In this technical scheme, by each fluid passage respectively in order to be passed through different material, at the port of export necessarily to join Than realizing mixing.

Shown in Fig. 2, assembly 2 is driven to include motor 21, drive mechanism, screw mandrel 24, nut support block 25 and drive block 26, screw mandrel 24 is pivotally mounted on support 1, and nut support block 25 is rotatably assorted with screw mandrel 24, and drive block 26 passes through installing plate, Being fixed on nut support block 25, motor 21 is connected to screw mandrel 24 by drive mechanism and screw mandrel can be driven to rotate.

Further, drive mechanism includes that active synchronization wheel 22 and driven synchronization wheel 23, active synchronization wheel 22 are installed on electricity The outfan of machine 21, driven synchronization wheel 23 is fixed on screw mandrel 24, and between active synchronization wheel 22 and driven synchronization wheel 23, transmission is even Connect.

In one embodiment, the outfan of motor can be directly connected in the end of screw mandrel by shaft coupling, and motor can also By the way of two gear engagements, or the mode that wheel and rack coordinates imparts power to screw mandrel.

Preferably, driven synchronization is connected by belt transmission between wheel with active synchronization wheel, and driven synchronization is taken turns and the most same Step wheel is positioned at sustained height, and driven synchronization wheel is installed on the top of screw mandrel.

Further, support 1 has an installation cavity 11, and motor 21 is fixed on the top of support 1, the output of motor 21 Fix in end convexedly stretches in installation cavity 11 and with active synchronization wheel 22.

Preferably, driven synchronization is in transmission connection between wheel 23 and active synchronization wheel 22, and the driven wheel 23 that synchronizes is installed on screw mandrel The top of 24.

Preferably, support 1 being provided with sensor, this sensor correspondence nut support block 25 arranges to detect its position letter Breath.

It is furthermore preferred that sensor is arranged in installation cavity 11.

Two 14 and 15 the most setting up and down of sensor, this sensor is in order to detect the position of nut support block and by this letter Breath sends to control module, and control module acts on motor, to control nut support block displaced position, thus determines drive block 26 Shift position, it is achieved the suction of the most commensurability fluid, it is achieved automatic ration suction.

Further, the outer wall of support 1 is vertically disposed with on screw mandrel fixed block 13, screw mandrel 24 under fixed block 12 and screw mandrel Two ends be rotationally connected with on screw mandrel fixed block 13 under fixed block 12 and screw mandrel respectively.

Further, support 1 is provided with and guides the guide rail (not shown) that nut support block keeps along guide screw movement balancing.

In this technical scheme, during injecting glue work, control module controls electric machine rotation, and power drives to from active synchronization wheel The driven wheel that synchronizes, the rotation of driven synchronization wheel belt movable wire bar, screw mandrel outputs power to nut support block, nut support block further Being coordinated by thread helix with between screw mandrel, therefore under screw mandrel rotates, nut support block can move along screw mandrel, nut support block And then drive block can be driven to move.

In this case, the position moved by drive block, determine the fluid volume entered from piston import.

Shown in Fig. 1 and Fig. 3, injecting glue assembly 3 includes gauge assembly 31 setting up and down and board unit 32, and fluid leads to Road is formed on board unit 32.

Gauge assembly 31 includes separate first piston assembly and the second piston component.

The quantity of piston component is corresponding with fluid passage quantity, and each fluid passage corresponds respectively to a piston component Lower section, therefore, in other embodiments, the quantity of piston component can also be one or more than one.

First piston assembly includes first piston set 311, first piston 312 and first piston bar 313, first piston set peace It is loaded on board unit 32, the bottom of first piston set 311 and the piston inlet communication of corresponding fluid passage, first piston 312 Sliding in first piston set 311, one end of first piston bar 313 is fixed with first piston, and the other end protrudes out first piston Set top.

Second piston component includes the second piston bush the 314, second piston 315 and the second piston rod 316, the second piston bush peace It is loaded on board unit 32, the bottom of the second piston bush 314 and the piston inlet communication of corresponding fluid passage, the second piston 315 Sliding in the second piston bush 314, one end of the second piston rod 316 is fixed with the second piston, and the other end protrudes out the second piston Set top.

Assembly is driven to act on first piston bar and the top of the second piston rod individually or simultaneously and at least can drive under it Move.

Further, the top of first piston bar and the second piston rod is positioned at sustained height, and drive block has a level Pressure surface, this pressure surface corresponds to first piston bar and the surface of the second piston rod.

Further, gauge assembly 31 also includes that piston bush installing plate 317, piston bush installing plate 317 have confession first and live The cavity that plug assembly and the second piston component are placed.

In this technical scheme, the operation principle of gauge assembly is, every kind of fluid respectively by each fluid passage with And the piston import of correspondence enters first piston set and the second piston bush, under fluid pressure effect, first piston 313 and second Piston 314 rises, and during injecting glue, drive block moves down, its pressure surface and first piston bar and the tip contact of the second piston rod, and simultaneously Driving first piston bar and the second piston rod to move down, fluid passes sequentially through piston outlet and correspondence under the driving of piston Fluid passage, and the port of export extrusion from fluid passage.

In this case, each independent first piston set and the second piston bush are respectively provided with the internal diameter of setting, by internal diameter Ratio controls the proportioning of every kind of fluid, owing to first piston set and the second piston bush can independently be replaced, and therefore can be according to Ratio requirement carries out integral replacing to piston bush.

Shown in Fig. 4 and Fig. 5, board unit 32 includes substrate 321 and switch module 322.

Substrate 321, substrate 321 is formed more than 1 independent fluid passage, and each fluid passage is respectively provided with one and enters Mouth 3211, one flow channel entry point 3212, power switch import 3213, piston import 3214, piston outlet 3215, runner Outlet 3216, one power switch outlet 3217, outlet 3218.

Switch module 322, is located on power switch import 3213 and on power switch outlet 3217, to realize Its opening and closing.

Further, each described fluid passage includes import 3211 and the flow channel entry point being opened in substrate side respectively 3212, the recessed inflow cell body 3219 that is formed of the surrounding of power switch import 3213, the surrounding of power switch outlet 3217 is recessed Being formed with outflow cell body 3220, wherein import 3211 is connected by flow channel entry point 3212 between cell body 3219 with flowing into, and flows into groove Body 3219 connects with power switch import 3213, and power switch import 3213 connects with piston import 3214, piston import 3214 Connecting with piston outlet 3215, piston outlet 3215 connects with runner exit 3216, runner exit 3216 and outflow cell body 3220 Connection, flows out cell body 3220 and connects with power switch outlet 3217, and power switch outlet 3217 connects with outlet 3218.Switch Assembly is in order to realize the opening and closing exporting the first power switch import and the first power switch.

Further, switch module 322 includes piston cage plate 3221 and cover plate 3222, and piston cage plate is fixed on cover plate and base Between plate, and piston cage plate 3221 hides in flowing into cell body 3219 and flowing out cell body 3220 side, corresponding on piston cage plate 3221 Power switch import and power switch exit position, be correspondingly provided with movable block 3224 respectively, and movable block 3224 is with driving means even Connecing, this driving means acts on movable block makes it open or close power switch import or power switch outlet.

Further, driving means includes the power hole 3225 being opened on cover plate 3222, and this one end, power hole is with outer Portion's source of the gas or power supply connection, the other end is communicated in the end face of movable block.

Further, the contact surface of power switch import or power switch outlet and movable block does not protrude out the table of substrate Face.

Further, described import 3211 is respectively formed in the same side of substrate 321 substrate or is distributed in substrate two respectively Side, outlet 3218 is formed at below substrate 321.

In this case, in fluid volume ratio, design the interior section area ratio that each piston is different, with realize every kind of fluid by Ratio is measured.

So that fluid proportioning one to, inhale after glue completes, before plastic emitting and during plastic emitting, piston rod is in same all the time Highly.

Glue injection method based on board unit includes step:

1, under dynamic action, during influent stream body, movable block opens power switch import, simultaneously closes off power switch outlet；

2, being injected separately into different fluid from the import of substrate, every kind of fluid respectively enters the inflow cell body of correspondence, and by flowing Enter cell body and sequentially enter power switch import；

3, fluid promotes piston and piston rod to rise after power switch import enters corresponding piston import；

4, under dynamic action, movable block closes power switch import, opens power switch outlet simultaneously；

5, driving assembly to act on the top of each piston rod individually or simultaneously, each piston rod synchronizes to move down, and fluid is certainly Piston outlet enters and flows out cell body, and is entered power switch outlet finally by outlet extrusion by flowing out cell body.

In step (3), when fluid forces piston rises, each piston rod is less than controlling the correspondence position that part is arranged, no Can independent plastic emitting.

In the method, fluid forces piston rises inhales glue, after suction glue completes, before plastic emitting and during plastic emitting, and each work Stopper rod is in sustained height all the time.

In the method, the proportioning of every kind of fluid according to different fluid volume ratio, designs each piston and sets different interior Footpath ratio controls.

It should be noted that in this article, the relational terms of such as first and second or the like is used merely to a reality Body or operation separate with another entity or operating space, and deposit between not necessarily requiring or imply these entities or operating Relation or order in any this reality.And, term " includes ", " comprising " or its any other variant are intended to Comprising of nonexcludability, so that include that the process of a series of key element, method, article or equipment not only include that those are wanted Element, but also include other key elements being not expressly set out, or also include for this process, method, article or equipment Intrinsic key element.In the case of there is no more restriction, statement " including ... " key element limited, it is not excluded that Including process, method, article or the equipment of described key element there is also other identical element.

The above is only the detailed description of the invention of the application, it is noted that for the ordinary skill people of the art For Yuan, on the premise of without departing from the application principle, it is also possible to make some improvements and modifications, these improvements and modifications also should It is considered as the protection domain of the application.

Claims (9)

1. the power set for apparatus for metering fluids, it is characterised in that described apparatus for metering fluids includes:

Support；

Injecting glue assembly, is relatively fixed with support, and including gauge assembly setting up and down and board unit, described gauge assembly includes At least one piston component, described board unit is formed more than 1 independent fluid passage, and each fluid passage is the most right The lower section of 1 described piston component should be communicated in；

Driving assembly, be installed on support, this driving assembly acts on described piston component and its interior fluid is injected fluid Passage, described driving assembly includes motor, drive mechanism, screw mandrel, nut support block and drive block, and described screw mandrel is rotatably mounted On support, described nut support block is rotatably assorted with screw mandrel, and described drive block is fixed on nut support block by installing plate, Described motor is connected to screw mandrel by drive mechanism and screw mandrel can be driven to rotate, and described drive block acts on the piston of piston component Masthead end.

Power set for apparatus for metering fluids the most according to claim 1, it is characterised in that described drive mechanism bag Including active synchronization wheel and driven synchronization wheel, described active synchronization wheel is installed on the outfan of motor, and the described driven wheel that synchronizes is fixed On screw mandrel, described active synchronization wheel and driven synchronization are in transmission connection between wheel.

Power set for apparatus for metering fluids the most according to claim 2, it is characterised in that described support has one Installing cavity, described motor is fixed on the top of support, in the outfan of described motor convexedly stretches in installation cavity body and with the most same Step wheel is fixing.

Power set for apparatus for metering fluids the most according to claim 3, it is characterised in that described driven synchronization is taken turns Being connected by belt transmission between taking turns with active synchronization, the described driven wheel that synchronizes is positioned at sustained height with active synchronization wheel, described The driven wheel that synchronizes is installed on the top of screw mandrel.

Power set for apparatus for metering fluids the most according to claim 3, it is characterised in that arrange on described support Having sensor, this sensor correspondence nut support block is arranged to detect its positional information.

Power set for apparatus for metering fluids the most according to claim 5, it is characterised in that described sensor is arranged In installation cavity body.

Power set for apparatus for metering fluids the most according to claim 6, it is characterised in that described sensor is upper and lower Arranging two, this sensor, in order to detect the upper-lower position of nut support block and to send this information to control module, controls mould Block acts on motor, to control nut support block maximum displacement position.

Power set for apparatus for metering fluids the most according to claim 1, it is characterised in that the outer wall of described support Being vertically disposed with on screw mandrel fixed block under fixed block and screw mandrel, the two ends of described screw mandrel are rotationally connected with fixed block on screw mandrel respectively With fixed block under screw mandrel.

Power set for apparatus for metering fluids the most according to claim 1, it is characterised in that described support is provided with Guide nut support block and keep the guide rail of balance along guide screw movement.