WO2016095865A1 - 一种既大量注出又微量注出色浆泵 - Google Patents

一种既大量注出又微量注出色浆泵 Download PDF

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Publication number
WO2016095865A1
WO2016095865A1 PCT/CN2015/097973 CN2015097973W WO2016095865A1 WO 2016095865 A1 WO2016095865 A1 WO 2016095865A1 CN 2015097973 W CN2015097973 W CN 2015097973W WO 2016095865 A1 WO2016095865 A1 WO 2016095865A1
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WIPO (PCT)
Prior art keywords
outlet
pump
inlet
small
color paste
Prior art date
Application number
PCT/CN2015/097973
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English (en)
French (fr)
Inventor
黄松
牛伟红
Original Assignee
郑州三华科技实业有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201410792479.7A external-priority patent/CN105757023B/zh
Priority claimed from CN201410792472.5A external-priority patent/CN105757022B/zh
Priority claimed from CN201410792555.4A external-priority patent/CN105756919B/zh
Priority to MX2017008020A priority Critical patent/MX2017008020A/es
Priority to BR112017013215-0A priority patent/BR112017013215B1/pt
Priority to MYPI2017702254A priority patent/MY189461A/en
Application filed by 郑州三华科技实业有限公司 filed Critical 郑州三华科技实业有限公司
Priority to KR1020177016959A priority patent/KR102003476B1/ko
Priority to ES15869372T priority patent/ES2879965T3/es
Priority to JP2017526056A priority patent/JP6557339B2/ja
Priority to EP15869372.1A priority patent/EP3249222B1/en
Priority to US15/537,787 priority patent/US10533543B2/en
Priority to RU2017125576A priority patent/RU2692169C2/ru
Publication of WO2016095865A1 publication Critical patent/WO2016095865A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
    • B05B12/04—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery for sequential operation or multiple outlets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/02—Stopping, starting, unloading or idling control
    • F04B49/03—Stopping, starting, unloading or idling control by means of valves
    • F04B49/035—Bypassing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
    • B01F35/882—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
    • B01F35/8822—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances using measuring chambers of the piston or plunger type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
    • B05B9/0406—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material with several pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0277—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants using negative pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
    • F04B13/02—Pumps specially modified to deliver fixed or variable measured quantities of two or more fluids at the same time
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/20—Other positive-displacement pumps
    • F04B19/22—Other positive-displacement pumps of reciprocating-piston type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/02—Pumping installations or systems having reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/12—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders having plural sets of cylinders or pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B5/00—Machines or pumps with differential-surface pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/10—Valves; Arrangement of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • F04B7/0003—Piston machines or pumps characterised by having positively-driven valving the distribution member forming both the inlet and discharge distributor for one single pumping chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
    • F04B9/08—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid
    • F04B9/10—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid
    • F04B9/109—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers
    • F04B9/111—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being fluid the fluid being liquid having plural pumping chambers with two mechanically connected pumping members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/30—Mixing paints or paint ingredients, e.g. pigments, dyes, colours, lacquers or enamel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/84—Mixing plants with mixing receptacles receiving material dispensed from several component receptacles, e.g. paint tins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04B15/02—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts the fluids being viscous or non-homogeneous

Definitions

  • the invention relates to the field of reciprocating pumps, in particular to a reciprocating pump which not only injects a large amount but also micro-injects an excellent slurry.
  • a reciprocating pump to inject quantitative color paste is a key technology.
  • common reciprocating positive displacement pumps include a piston pump, a plunger pump, a folding pump and the like. Toning has strict requirements on the amount of color paste, and requires the pump to not exceed a certain percentage (such as less than 1%) of the amount of color paste injection when a large amount of color paste is injected (for example, more than 15 ml). In the case of a small amount of color paste (for example, less than 0.5 ml), the error in the amount of paste applied should not exceed a certain percentage (for example, less than 12%).
  • the reciprocating pump which is often used for a large amount of excellent pulp has a large amount of injection per unit stroke. Even if there is a slight deviation in the stroke of the pump, it may cause a large deviation of the injection when the micro-injection is excellent, causing color abnormality and failing to meet the product demand. Therefore, in the color paste precision control standard of the coloring equipment, the accuracy requirement of the micro-injection excellent pulp (such as 12%) is lower than that of a large amount of color paste (such as 1%), which is a last resort.
  • the stepping motor is often used to realize the stroke of the reciprocating pump. However, the number of subdivision steps of a stepper motor is limited.
  • the current solution mainly consists of two coloring machines at the same time.
  • One coloring machine consisting of a large pump is mainly responsible for injecting a large amount of color paste
  • the other is a coloring machine composed of a small pump, which is responsible for injecting a small amount of color paste.
  • the above prior art not only has the disadvantages of the above-mentioned complicated structure and high cost, but also solves the problem of increasing the unit stroke amount of the micro-injection excellent pulp under the premise of ensuring high efficiency of mass injection of excellent pulp, so that a basic quantitative absolute The amount of error is reduced relative to the amount of stroke of the reciprocating rod micro-injection excellent slurry in order to improve the precision of the micro-injection excellent slurry. For example, it is to reduce the theoretical volume of each step of the stepper motor to improve the precision. Moreover, the industry generally surrounds this point to improve the accuracy of the micro-injection of excellent pulp;
  • the patented product of US2009236367A1 has the following defects: (1) When the pump is not used for a long time, and the color paste is thick, it may be pressed down, and the force needs to be increased. Press down, because the spring has a certain elastic limit, the piston and the wall have a certain friction, the spring is easily deformed when the large dose of color paste is injected, causing the error of the pump injection stroke; (2) the sliding device is in the middle or both sides It is required to have a particularly good seal to prevent the color paste from leaking out. (3) The spring preload force must be set. When the spring preload force is set large, the motor power is too large and wasteful.
  • the object of the present invention is to provide a large-section cylinder reciprocating positive displacement pump which is capable of high-efficiency injection and ensuring excellent precision of micro-injection in order to overcome the deficiencies of the prior art.
  • the utility model relates to a large-scale injection and micro-injection excellent slurry pump, which comprises a large reciprocating displacement pump, which comprises a large reciprocating member, a large pump body and a large pump inlet and outlet, and is characterized in that: in the large pump body, A small reciprocating member fixed with a large reciprocating member is arranged, a small pump body is arranged on the base of the large pump body, a small pump body is provided with a small pump inlet and outlet, and the small reciprocating member, the small pump body and the small pump inlet and outlet constitute a small reciprocating volume. Pump.
  • a small pump body is arranged on the base of the large pump body, which means that a small pump body is arranged in the base of the large pump body.
  • a small pump body is arranged on the base of the large pump body, which means that a small pump body protrudes from the surface of the base of the large pump body.
  • a control valve is provided to control the large pump inlet and outlet and the small pump inlet and outlet to communicate with the color paste barrel or to fill the excellent slurry.
  • the small reciprocating member, the small pump body and the small pump inlet and outlet constitute a small reciprocating positive displacement pump.
  • the large reciprocating displacement pump is one of a large folding pump, a large plunger pump or a large piston pump, and the small reciprocating displacement pump is a small folding pump.
  • the large reciprocating positive displacement pump is one of a large folding pump, a large plunger pump or a large piston pump
  • the small reciprocating positive displacement pump is one of a small piston pump or a small piston pump
  • a small piston rod or small column The length of the plug rod extending into the small cylinder is greater than or equal to the stroke of the large shuttle.
  • the large reciprocating positive displacement pump is one of a large folding pump, a large plunger pump or a large piston pump
  • the small reciprocating member is a small piston assembly or a small plunger rod
  • the small pump body is a small cylinder body
  • the small piston assembly Or the maximum length of the small plunger rod extending into the small cylinder is smaller than the stroke of the large reciprocating member.
  • the small pump body is disposed coaxially with the large pump body.
  • the control valve controls the inlet and outlet of the large pump and the inlet and outlet of the small pump to connect the color paste barrel or to be injected, and at least includes the following communication structure:
  • the large pump inlet and outlet connected color paste barrel, small pump inlet and outlet connected color paste barrel, large pump inlet and outlet and small pump inlet and outlet are connected to the color paste barrel, the above three ways alone or in combination;
  • the large pump inlet and outlet are separately injected or the large pump inlet and outlet and the small pump inlet and outlet are jointly injected, or the large pump inlet and outlet are connected to the color paste injection outlet or the large pump inlet and outlet and the small pump inlet and outlet are connected to the color paste.
  • the small pump inlet and outlet are separately injected or the small pump inlet and outlet are connected to the color paste injection outlet for injection.
  • the control valve is a sliding valve, and the sliding valve is provided with a large pump extending from the inlet and outlet of the large pump and the inlet and outlet of the small pump, and the inlet and outlet of the small pump is extended.
  • the control valve comprises a valve body and a valve core, and the valve body is provided with a large pump inlet and outlet and a small pump inlet and outlet, a color paste barrel inlet and outlet, and a color paste injection outlet, wherein the color paste barrel inlet and outlet pass through the first branch passage connecting color
  • the slurry barrel branch inlet and outlet I is connected to the color slurry barrel branch inlet and outlet II through the second branch passage;
  • the valve core is provided with the axial center passage, and the radial passage I, the radial passage II and the radial passage III are respectively connected with the axial passage, the valve
  • the surface of the core is provided with a circular arc groove channel, the circular arc groove channel and the radial channel I correspond to the large pump inlet and outlet, and the axial center channel and the small pump inlet and outlet are always connected:
  • the radial channel I When the radial channel I is connected to the inlet and outlet of the color paste barrel branch, the radial channel I communicates with the color paste barrel to suck the color paste; when the radial channel I and the color paste barrel channel branch inlet and outlet I are connected, the arc The groove channel and the radial channel I are simultaneously connected to the color paste barrel channel inlet and outlet suction color paste;
  • the radial channel III When the radial channel III is aligned with the color slurry injection port, the radial channel I is connected with the large pump inlet and outlet, and the large pump inlet and outlet and the small pump inlet and outlet are simultaneously connected to the radial channel III through the axial channel, and the radial channel III A large amount of color paste is injected, and other channels are closed;
  • the circular arc groove is connected with the inlet and outlet of the color paste barrel I, that is, the large pump inlet and outlet color slurry is recirculated, the small pump inlet and outlet are connected to the axial center passage, and the axial center communication path is connected.
  • a small amount of color paste is injected from the radial channel II through the color paste outlet, and the other channels are closed.
  • the inlet and outlet branches of the color paste barrel are two inlets and outlets of the color paste barrels on the side of the valve core and the inlet and outlet of the color paste barrels III, and are branched into two inlets of the color paste barrels on the side of the valve core.
  • III and color paste barrel import and export IV color paste barrel import and export III and color paste barrel inlet and outlet IV correspond to radial channel II, radial channel III; 1, when radial channel I and color paste barrel channel inlet and outlet II
  • the radial channel III is connected to the color paste barrel branch inlet and outlet III
  • the radial channel II is connected to the color paste barrel branch inlet and outlet IV
  • the small pump inlet and outlet is connected to the color paste barrel to suck the color paste; 2.
  • the radial channel III is connected to the inlet and outlet of the color paste barrel branch IV
  • the radial channel II is connected to the inlet and outlet of the color paste barrel branch III
  • the inlet and outlet of the large pump are connected with the inlet and outlet of the small pump.
  • the control valve comprises a valve body II and a valve core II, a large pump inlet and outlet and a small pump inlet and outlet, a color paste barrel inlet and outlet and a color paste injection outlet are arranged on the valve body II, wherein the color paste barrel inlet and outlet pass the first
  • the branch channel is connected to the inlet and outlet of the color paste bucket branch, the inlet and outlet of the paste bucket is connected to the inlet and outlet of the color paste bucket branch through the second branch passage, and the third branch passage is set at the inlet and outlet of the paste bucket;
  • the spool II is provided with the axial passage and the diameter
  • the channel I, the radial channel II, and the radial channel III are respectively connected with the axial channel, and the surface of the valve core is provided with a circular arc channel, the circular arc channel and the radial channel I correspond to the large pump inlet and outlet, and the axial channel and the small channel
  • the pump inlet and outlet corresponding parts are axially spaced 90°, and
  • the radial channel I When the radial channel I is connected with the inlet and outlet of the color paste barrel branch, the radial channel I is connected, the large pump inlet and outlet and the circular arc channel are connected with the inlet and outlet of the color slurry barrel channel, and the small pump inlet and outlet pass.
  • the axial small pump passage is connected with the inlet and outlet of the color paste barrel, sucking the color paste, and the other passages are closed;
  • the large pump inlet and outlet communicate with the axial passage through the radial passage I;
  • the small pump inlet and outlet communicate with the axial passage through the radial small pump passage III; that is, the large pump
  • the inlet and outlet of the inlet and outlet and the small pump are simultaneously connected to the radial passage III through the axial passage, and the radial passage III is injected with a large amount of color paste, and the other passages are closed;
  • the arc groove is connected with the inlet and outlet of the color paste barrel II, that is, the large pump inlet and outlet color slurry is recirculated, and the small pump inlet and outlet pass through the radial small pump channel I to connect the shaft center.
  • the channel, the axial channel is connected to the radial channel II, and the micro-paste is injected from the radial channel II, the color paste is injected through the color paste outlet, and the other channels are closed.
  • the inlet and outlet branches of the color paste barrel are two inlets and outlets of the color paste barrels on the side of the valve core and the inlet and outlet of the color paste barrels III, and are branched into two inlets of the color paste barrels on the side of the valve core.
  • III and color paste barrel import and export IV color paste barrel import and export III and color paste barrel inlet and outlet IV correspond to radial channel II, radial channel III; 1, when radial channel I and color paste barrel channel inlet and outlet II When the radial channel III is connected to the color slurry barrel branch inlet and outlet III, the radial channel II is connected to the color paste barrel branch inlet and outlet IV; 2.
  • the radial channel II is connected with the inlet and outlet of the color slurry barrel branch
  • the radial passage III is connected with the inlet and outlet of the color slurry barrel IV.
  • the control valve is provided with a color slurry injection port and a color paste barrel channel on the base of the large cylinder body, and a rotary valve core IV is arranged in the large cylinder body; a small cylinder body is arranged on the rotating core of the IV core, and the small cylinder body extends in the radial direction A small pump inlet and outlet is provided, and a large pump inlet and outlet is arranged outside the small cylinder body, and the small cylinder body extends out of the other inlet and outlet in the radial direction, and the inlet and outlet are connected with another large pump inlet and outlet to form a combined import and export.
  • the reciprocating positive displacement pump provided by the invention can realize a large amount of injection and a small amount of excellent slurry by using a large-section pump, thereby ensuring the precision of the amount of the color paste, and particularly ensuring the accuracy of the injection of the micro-paste.
  • the utility model has the advantages of high precision, simple structure, good leakage prevention performance compared with the patent US2009236367A1 structure, high utilization rate in the longitudinal direction of the reciprocating pump cylinder body, small elastic deformation of the pump bracket and improved reciprocating pump stroke.
  • the reciprocating pump when the reciprocating pump is placed upright (ie, the reciprocating rod moves upward, the color paste is drawn into the cylinder from the bottom of the reciprocating pump) or when used horizontally, it solves the problem that the gas gathering in the pump seriously affects the precision of the micro-injection. Solve the problem. Also, the coloring machine made of the pump is convenient to use and has a small footprint.
  • Figure 1a is a schematic view of the basic structure of the present invention.
  • Figure 1b is a schematic view showing the operation of the basic structure of the present invention.
  • FIG. 2a is a schematic view showing the operation of a large pump when the present invention is a folding pump
  • Figure 2b is a schematic view showing the operation of the small pump when the present invention is a folding pump
  • 2c is a schematic view of the small pump body being a folding pump when the present invention is a folding pump;
  • Figure 3a is a schematic view of the color sucking paste when the control valve is a three-way valve
  • Figure 3b is a schematic view of the operation of the small pump when the control valve is a three-way valve
  • Figure 3c is a schematic view showing the simultaneous operation of the large pump and the small pump when the control valve is a three-way valve;
  • Figure 3d is a schematic view showing the operation of another color-absorbing paste when the control valve is a three-way valve
  • Figure 4 is a schematic view showing the structure of the large reciprocating rod always in the small cylinder
  • Figure 5 is a schematic view showing the structure of the large reciprocating rod which can be separated from the small cylinder;
  • Figure 6 is a schematic view showing the structure of a small pump body protruding from the surface of the large pump body base;
  • Figure 7a is a schematic view of the color-absorbing slurry when the control valve is a sliding valve
  • Figure 7b is a schematic view of the operation of the small pump when the control valve is a sliding valve
  • Figure 7c is a schematic view of the operation of the large pump when the control valve is a sliding valve
  • Figure 8a is a schematic view of the suction color slurry when the control valve is a sliding valve and the diameter of the small pump is large;
  • Figure 8b is a schematic view of the operation of the small pump when the control valve is a sliding valve and the diameter of the small pump is large;
  • Figure 8c is a schematic view of the operation of the large pump when the control valve is a sliding valve and the diameter of the small pump is large;
  • Figure 9a is a schematic view showing the structure of the valve core when the control valve is a rotary valve
  • Figure 9b is a schematic view of the spool passage when the control valve is a rotary valve
  • Figure 10a is a schematic view showing the structure of the valve body when the control valve is a rotary valve
  • Figure 10b is a schematic view of the valve body passage when the control valve is a rotary valve
  • Figure 11a is a schematic view showing the micro-syrup channel when the control valve is a rotary valve
  • Figure 11b is a schematic view showing a large number of color paste channels when the control valve is a rotary valve
  • Figure 11c is a schematic view of the suction color passage when the control valve is a rotary valve
  • Figure 11d is a schematic view of another state of the color suction slurry state when the control valve is a rotary valve;
  • Figure 12a is a schematic view showing the structure of the valve body when the control valve is another rotary valve
  • Figure 12b is a schematic view of the valve body passage when the control valve is another rotary valve
  • Figure 13a is a schematic view showing the structure of the valve core when the control valve is another rotary valve
  • Figure 13b is a schematic view of the spool passage when the control valve is another rotary valve
  • Figure 14a is a schematic view of the suction color passage when the control valve is another rotary valve
  • Figure 14b shows a schematic diagram of a large number of color paste channels when the control valve is another rotary valve
  • Figure 14c is a schematic view of the micro-syrup channel when the control valve is another rotary valve
  • Figure 14d is a schematic view of the pump body passage when the control valve is another type of rotary valve
  • Figure 15 is a schematic view showing the overall structure of the control valve including the rotary valve core IV;
  • Figure 15a is a schematic view showing the structure of a rotary valve core when the control valve includes a rotary valve core IV;
  • Figure 15b is a schematic view of the rotary spool passage when the control valve includes the rotary spool IV;
  • Figure 16a is a schematic view showing the structure of a large cylinder base when the control valve includes a rotary valve core IV;
  • Figure 16b is a schematic view of the passage of the large cylinder base when the control valve includes the rotary spool IV;
  • Figure 17a is a schematic view of the suction color passage when the control valve includes the rotary valve core IV;
  • Figure 17b is a schematic view showing the micro-syrup channel when the control valve includes the rotary valve core IV;
  • Figure 17c is a schematic view showing a large number of color paste channels when the control valve includes the rotary valve core IV;
  • Figure 18 is a schematic view showing the inverted structure of the paste pump of the present invention.
  • the utility model discloses a color slurry pump which is capable of injecting and injecting a large amount of excellent pulp.
  • the basic composition is: a space with a volume change, a large pump body, that is, a large cylinder body 1, a large reciprocating member (
  • the utility model comprises a large reciprocating rod 2, a large reciprocating rod 2 energizing end 2a, a large reciprocating rod 2 pushed piston 2b), a small volume of the pump body space II, that is, a small cylinder block 4, a small reciprocating member, that is, a small reciprocating rod 3, a large pump Import and export 5 and small pump inlet and outlet 6;
  • large cylinder 1, large reciprocating parts and large pump inlet and outlet 5 constitute a large reciprocating displacement pump;
  • small reciprocating parts, small pump body and small pump inlet and outlet 6 constitute a small reciprocating positive displacement pump
  • the small reciprocating displacement pump works simultaneously with the large reciprocating positive displacement pump.
  • the amount of the excellent repulsive rod 2 in the large cylinder 1 is divided into two parts, one part is the injection amount of the small pump inlet and outlet, and the other part is the injection quantity of the large pump inlet and outlet, so that when small When the pump inlet and outlet are injected, when the large pump inlet and outlet are returned to the color paste barrel, it is a micro-injection.
  • the small pump inlet and outlet and the large pump inlet and outlet are both injected, a large amount is injected.
  • the small reciprocating rod 3 forms a micro-injection excellent slurry pump in the small cylinder 4, and the micro-color paste is injected from the small pump inlet and outlet 6.
  • the color paste in the large cylinder 1 is discharged from the large pump inlet and outlet 5 into the color slurry barrel.
  • a micro-injection excellent slurry is realized; in this figure, the axis of the small-cylinder block 4 and the axis of the large-cylinder block 1 are different axes.
  • FIG. 2a and 2b are schematic views of the volume I of the folded body 1a of the folding pump, wherein the folded body 1a is a large pump body, and FIG. 2a is a small reciprocating rod 3, that is, the small reciprocating member does not enter the small pump body (ie, small The large pump working state of the cylinder 4), FIG. 2b is the small pump working state when the small reciprocating rod 3 enters the small cylinder 4; the working principle is the same as that of FIG. 1a and FIG. 1b, and the folded body 1a is equivalent to the large pump body 1.
  • the large reciprocating rod 2 and the large reciprocating plate 2c connected thereto constitute a large reciprocating member.
  • the other parts are a small reciprocating member 3, a small pump body 4, a large pump inlet and outlet 5, a small pump inlet and outlet 6, and a guide post 2d.
  • This embodiment is also an embodiment in which the small pump body 4 and the folded body 1a are different shafts.
  • the large reciprocating positive displacement pump is a large folding pump
  • the large reciprocating rod 2 and the large reciprocating plate 2c connected thereto constitute a large reciprocating member
  • the large reciprocating rod 2 pushes the reciprocating plate 2c to reciprocate along the guiding column 2d.
  • the large folding pump body 1a is provided with a large pump inlet and outlet 5 on the base, and the large folding pump body 1a (ie, the large pump body) is sleeved with a small folding pump body 4a, and the small folding pump body 4a is mounted on the base.
  • a small pump inlet and outlet 6 is provided, and the small reciprocating member is a part of the plate surface of the small folding pump body 4a.
  • 3a, 3b, 3c, and 3d are one embodiment of a color slurry pump that is both large-volume and micro-injected.
  • Two three-way valves control the large pump inlet and outlet 5 and the small pump inlet and outlet 6 are connected to the color slurry injection outlet.
  • the three-way valve is not limited to the rotary valve, and may be other electromagnetic three-way valves, slide three-way valves, and slides. Valves, etc.
  • the two three-way valves can be controlled individually or in combination to control the continuity of each channel. As shown in Fig.
  • the small reciprocating member is a small reciprocating rod 3
  • the large pump inlet and outlet 5 small
  • the large pump inlet and outlet 5 is connected to the first port of the three-way valve II7b, and the third port of the three-way valve II7b is connected to the color.
  • the barrel inlet and outlet 8, the small pump inlet and outlet 6 is connected to the first port of the three-way valve I7a, the second port of the three-way valve I7a is connected to the color paste injection port 9, and the third port of the three-way valve II7b is connected to the small pump.
  • the passage between the outlet 6 and the three-way valve I7a, the third port of the three-way valve I7a communicates with the passage of the second port of the three-way valve II7b and the inlet and outlet 8 of the paste drum.
  • the large pump inlet and outlet 5 and the small pump inlet and outlet 6 are all connected with the color slurry barrel inlet and outlet 8.
  • the purpose of sucking the color paste can be realized, and the three-way valve I7a, three can be adjusted.
  • the direction of the valve II7b is as shown in Fig. 3b, the large pump inlet and outlet 5 is connected with the color slurry barrel inlet and outlet 8, and the small pump inlet and outlet 6 is connected with the color slurry injection port 9, which can realize small pump micro-injection and large pump reflow color.
  • the slurry barrel is the purpose of injecting the excellent slurry into small doses; adjusting the direction of the three-way valve I7a and the three-way valve II7b to as shown in Fig.
  • the large pump inlet and outlet 5, the small pump inlet and outlet 6 are all connected with the color paste injection port 9, To achieve the purpose of large pump and small pump at the same time, that is, high-dose injection of excellent pulp; as shown in Fig. 3d, the large pump inlet and outlet 5, the small pump inlet and outlet 6 are connected with the color slurry barrel inlet and outlet 8, which also achieves the suction color. The purpose of the pulp.
  • a color slurry pump which not only has a large amount of injection but also a small amount of excellent slurry, as shown in FIG. 4, is a piston pump, including a large cylinder 1 (ie, a large pump body), a large reciprocating rod 2 is a piston rod, and the piston rod passes
  • the piston 2b realizes suction or extrusion
  • the large reciprocating rod 2 and the piston 2b constitute a large reciprocating member
  • the piston 2b projects a small reciprocating rod 3 into the cylinder
  • the reciprocating pump composed of the large cylinder 1 and the large reciprocating member is called a large Pump
  • another cylinder in the base of the large cylinder 1, called small cylinder 4 ie small pump body
  • a small reciprocating rod 3 ie, a small reciprocating member
  • the small reciprocating rod 3 cooperates to form a small pump
  • the small cylinder 4 is provided with a small pump inlet and outlet 6
  • the large cylinder body 1 is provided with a large pump inlet and outlet 5.
  • the length of the small reciprocating rod 3 extending into the small cylinder 4 is greater than or equal to the stroke of the large reciprocating rod 2, at which time the small reciprocating rod 3 is always in the small cylinder 4; the length of the small reciprocating rod 3 extending into the small cylinder 4 can also be less than the length
  • the stroke of the reciprocating rod 2 is as shown in Fig. 5, at which time the small reciprocating rod 3 can be separated from the small cylinder 4.
  • the large pump inlet and outlet 5 and the small pump inlet and outlet 6 are equipped with control valves, and the control valve controls the large pump inlet and outlet 5 and the small pump inlet and outlet 6 to connect the color slurry barrel or to be injected. 4 and 5 show an embodiment in which the small cylinder 4 is coaxially disposed with the large cylinder 1, which is easier to manufacture and realize.
  • a small pump body is arranged on the base of the large pump body, which means that a small pump body protrudes from the surface of the base of the large pump body, and the small cylinder body 4 protrudes from the base surface 110 of the large cylinder body 1, as shown in Fig. 6. Show.
  • the control valve can be a rotary valve, a slide valve or other form of a check valve that performs the above functions.
  • the stepping motor 51 is provided with a driving slider I52, and a driving slider I52 has a fixed slider II53, and the driving slider I52 is provided with Large pump inlet and outlet 5, small pump inlet and outlet 6 connected large pump extension import and export 5a and small pump extension import and export 6a, color paste barrel import and export branch for two, respectively, color paste barrel import and export I8a and color paste bucket into Exit II8b.
  • a driving slider I52 has a fixed slider II53
  • the driving slider I52 is provided with Large pump inlet and outlet 5, small pump inlet and outlet 6 connected large pump extension import and export 5a and small pump extension import and export 6a, color paste barrel import and export branch for two, respectively, color paste barrel import and export I8a and color paste bucket into Exit II8b.
  • the I8a and the color paste barrel inlet and outlet I I8b are respectively connected with the large pump inlet and outlet 5 and the small pump inlet and outlet 6, respectively, and the purpose of sucking the color paste is realized by pulling the large reciprocating rod 2;
  • the large pump inlet and outlet 5 is connected with the color slurry barrel inlet and outlet I8a, and the small pump extends the inlet and outlet 6a as the injection outlet, which can realize the purpose of small pump work, that is, small dose injection of excellent slurry;
  • Fig. 7c The large pump extension inlet and outlet 5a and the small pump extension inlet and outlet 6a are exposed, which can achieve the purpose of large and small injection of excellent slurry at the same time.
  • the stepper motor 51 can drive the slider to move, thereby achieving different purposes for different pipe connections as described above.
  • the small pump is slightly injected. If the diameter of the small pump is large, then the large pump is extended to the inlet and outlet 5a. Trace, as shown in Figure 8a, 8b, 8c, the diameter of the small pump is large, then the small pump extension of the inlet and outlet 6a is not a small amount of injection, and the remaining section of the large pump is small, the large pump extension of the inlet and outlet 5a is Trace amount.
  • Figure 8a corresponds to the communication mode of Figure 7a
  • Figure 8c corresponds to the communication mode of Figure 7c
  • the large pump extension inlet and outlet 5a of Figure 8b is directly injected
  • the small pump extends the inlet and outlet 6a to connect the color paste bucket.
  • the above two methods are only illustrative.
  • the relative size of the pump is generally based on the small pump diameter to produce a small amount of color paste.
  • the simpler solution is that the motor directly drives the two color paste barrel inlets and outlets 8a, 8b directly to the large pump inlet and outlet 5 and the small pump. Import and export 6, and can also be achieved by sliding the two color paste barrels into and out 8a and 8b.
  • the control valve When the control valve is a rotary valve, the control valve includes a valve body and a valve core, as shown in Figures 10a, 10b, and Figure 10b is a schematic view of the internal color paste passage of the valve body shown in Figure 10a.
  • the valve body is provided with a large pump inlet and outlet 5 and a small pump inlet and outlet 6, a color paste barrel inlet and outlet 8 and a color paste injection port 9, and the valve body can be connected with the folding pump body, the piston pump body or the plunger pump body described above.
  • the color paste injection port 9 is a window or a gap which may be a lower end surface of the valve body, or may be a passage, wherein the color paste barrel inlet and outlet 8 communicates with the color paste barrel branch inlet and outlet I8a through the first branch passage 8y, and passes through the second branch.
  • the channel 8x is connected to the color slurry barrel branch inlet and outlet II8b; as shown in Figures 9a and 9b, the valve core is provided with an axial passage 7e, and the radial passage I7b, the radial passage II7c, and the radial passage III7d are respectively communicated with the axial passage 7e, the valve
  • the surface of the core is provided with a circular arc groove passage 7a.
  • the purpose of the circular arc groove passage 7a is to realize the color paste passage at two places on the surface of the valve core, and not only the circular arc passage, but also a through hole on the surface to realize the penetration of the surface at two places.
  • the channel I7b and the arcuate groove channel 7a correspond to the large pump inlet and outlet 5, and the axial center passage 7e is always in communication with the small pump inlet and outlet 6.
  • the color paste passage in the rotary valve is shown.
  • the circular arc groove 7a communicates with the color paste barrel inlet and outlet I8a, that is, the large pump inlet and outlet color paste passes.
  • the circular arc groove 7a, the color slurry barrel inlet and outlet I8a, the first branch passage 8y are returned to the color slurry barrel, the small pump inlet and outlet 6 is connected to the axial center passage 7e, and the axial center passage 7e is connected to the radial passage II7c, and is passed by the radial passage II7c.
  • the color paste outlet 9 is filled with a small amount of color paste, and the other channels are closed.
  • the radial passage III7d when the radial passage III7d is aligned with the paste injection port 9, the radial passage I7b communicates with the large pump inlet and outlet 5, that is, the large pump inlet and outlet 5 and the small pump inlet and outlet 6 simultaneously pass through the axial center passage 7e.
  • the radial passage III7d In communication with the radial passage III7d, the radial passage III7d is filled with a large amount of color paste, and the other passages are closed.
  • the 8-slurry barrel inlet and outlet 8 branches into two color-slurry barrel inlet and outlet I8a on the side of the valve core and the color paste barrel inlet and outlet III8b, and then branches into two sides on the side of the valve core.
  • the radial passage I7b is in communication with the color paste bucket passage inlet and outlet II8b
  • the radial passage III7d is connected to the color paste bucket branch inlet and outlet III8c
  • the radial passage II7c is connected to the color paste bucket branch inlet and outlet IV8d
  • the small pump inlet and outlet 6 Connect the color paste bucket to suck the color paste
  • the control valve comprises a valve body II and a valve core II, and a large pump inlet and outlet 5 and a small pump inlet and outlet are arranged on the valve body II.
  • the color paste barrel inlet and outlet 8 and the color paste injection outlet 9 are, wherein the color paste barrel inlet and outlet 8 is connected to the color paste barrel branch inlet and outlet I8a through the first branch passage 8y, and the color paste barrel inlet and outlet 8 is passed through the second branch passage 8x.
  • the large pump inlet and outlet 5 and the arcuate groove passage 7a communicate with the paste bucket passage branch inlet and outlet I8a, and are connected through the first branch passage 8y.
  • the large pump inlet and outlet 5 communicates with the axial passage 7f through the radial passage I7b; the small pump inlet and outlet 6 passes through the radial small pump passage III7k and the shaft center.
  • the passage 7f is connected; that is, the large pump inlet and outlet 5 and the small pump inlet and outlet 6 are simultaneously communicated with the radial passage III7d through the axial center passage 7f, and the radial passage III7d is injected with a large amount of color paste, and the other passages are closed;
  • the 8-slurry barrel inlet and outlet 8 branches into two color paste barrel inlet and outlet I8a on the side of the valve core and the color paste barrel inlet and outlet II8b, and then branched into two color pastes on the side of the valve core.
  • Barrel import and export III8c and color paste bucket import and export IV8d, paste bucket import and export III8c and paste bucket import and export IV8d correspond to radial channel II7c, radial channel III7d; 1, as shown in Figure 14a, when radial channel I7b
  • the radial passage III7d is connected to the color paste bucket branch inlet and outlet III8c
  • the radial passage II7c is connected to the color paste bucket branch inlet and outlet IV8d
  • the color paste is sucked.
  • Fig. 15 is a schematic view showing another structure of the control valve.
  • the base 102 of the large cylinder block 1 is provided with a discharge port 9 and a paste bucket passage 8, the base 102 is provided with a rotary shaft 103, and the large cylinder 1 is provided with a rotary valve core IV 101;
  • 15a, 15b, the rotary valve core IV101 shaft core is provided with a small cylinder block 4, the small cylinder block 4 extends radially into the small pump inlet and outlet 6, and the small cylinder body 4 is provided with a large pump inlet and outlet 5, and the small cylinder body 4 is along Radially extending from the other inlet and outlet, the inlet and outlet are connected to the other inlet and outlet of the large pump to form a combined inlet and outlet 56, so that the valve core 101, 1 is rotated, as shown in Fig.
  • the combined inlet and outlet 56 is aligned with the color paste barrel passage 8
  • Pumping the color paste the color paste 100 flows into the cylinder; 2, as shown in Fig. 17b, the small pump inlet and outlet 6 is aligned with the outlet 9 to inject a small amount of color paste, and the large pump inlet and outlet 5 is connected with the color slurry barrel inlet and outlet 8
  • the pump inlet and outlet 5 is returned to the color paste barrel; 3, as shown in Fig. 17c, the large pump inlet and outlet 5 is aligned with the injection port 9 or the combined inlet and outlet 56 is aligned with the injection port 9 to produce a large amount of color paste.
  • the reciprocating positive displacement pump can also consist of a large pump and two or three small pumps.
  • the reciprocating positive displacement pump can also be an inverted structure. As shown in FIG. 18, the inverted structure facilitates gas discharge and improves the stability of the paste injection accuracy.
  • the driving of the large reciprocating member of the present invention includes manual driving, stepping motor driving, and servo motor driving.
  • the conversion of the position of the control valve in the present invention includes the conversion by a manual or stepper motor or a synchronous motor or a geared motor with indexing control. By changing the position of the control valve, it is possible to achieve the purpose of sucking color paste, micro-injecting excellent pulp, massing excellent pulp, removing air, cleaning the pump body, and ensuring the accuracy and efficiency of color paste injection.
  • the invention discloses a large-scale injection and micro-injection excellent slurry pump, and the purpose of the large-volume injection and the micro-injection of the excellent slurry is conveniently realized by simply rotating the control valve or pushing the sliding valve, and at the same time, due to the large reciprocating rod and the small reciprocating rod
  • the rod is a whole, and there is no problem in the patent structure of US2009236367A1 that the spring stretching force affects the accuracy and the sealing requirement is strictly required.

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Abstract

一种既大量注出又微量注出的色浆泵，包括一个大往复式容积泵（1,2,5），大往复式容积泵（1,2,5）包括大往复件（2,2a,2b）、大泵体（1）及大泵进出口（5），在大泵体（1）内设置一个与大往复件（2,2a,2b）固定的小往复件（3），大泵体底座（102,110）上设有小泵体（4），小泵体（4）设有小泵进出口（6），小往复件（3）、小泵体（4）和小泵进出口（6）构成小往复式容积泵（3,4,6）。该色浆泵既可大量注出又可微量注出色浆，保证了色浆注出量特别是微量色浆注出量的注出精度，具有精度高、结构简单的特点。此外，该色浆泵的防漏性能较好，往复泵缸体的长度方向上利用率高，泵支架的弹性变形小，进而提高了往复泵行程精度。

Description

一种既大量注出又微量注出色浆泵 技术领域
本发明涉及一种往复式泵领域，具体涉及一种既大量注出又微量注出色浆的往复式泵。
背景技术
在调色技术领域，利用往复式泵注出定量色浆是一项关键技术，目前常见的往复式容积泵有活塞泵、柱塞泵、折叠泵等。调色对色浆的量有严格的要求，要求泵在注出大量色浆(如大于15毫升)时色浆注出量的误差不能超过一定的百分比(如小于1％)，对于在注出微量色浆(如小于0.5毫升)时色浆注出量的误差同样不能超过一定的百分比(如小于12％)。然而目前常见的大量注出色浆的往复泵由于单位行程注出量大，即使泵行程出现少许偏差，也可能导致微量注出色浆时的较大注出偏差，引起颜色异常，不能满足产品需求。所以在调色设备的色浆注出精度控制标准上就呈现出微量注出色浆的精度要求(如12％)低于大量色浆(如1％)情况，这是迫不得已。为了解决这个问题，特别是减少微量注出色浆的误差，常采用步进电机实现往复泵的行程。但步进电机的细分步数是有限的。目前的解决方法主要有同时设置两台调色机，一台是大泵组成的调色机主要负责注出大量色浆，另一台是小泵组成的调色机负责注出微量色浆，这样做虽然可以良好解决控制泵出色浆量，但是设置两台调色机不但多花许多的钱，而且所需空间较大，使用不方便，不符合现代经济集约化生产需求，特别是不适合店面中的使用；另一种解决方法在于在同一个泵中一个大截面缸体的大泵并联用一个小截面缸体的小泵，并排设置一对注出大量和注出微量两个泵出***，这样做同样存在所占空间较大，结构复杂，成本高的问题；专利US2009236367A1公开了一种双出漆嘴双泵，其通过泵内设置弹簧达到使用一个***既可大量出浆又可微量出浆的目的；弹簧可压缩，在泵向下压时，实现打色浆量大的目的；在柱触底后再压缩，细杆继续向下走，进入活塞腔，实现微量注出色浆时精确度高的目的。以上现有技术不但存在上述结构复杂、成本高的缺点，而且在解决该问题时都是围绕保证大量注出色浆的高效率前提下增加微量注出色浆的单位行程量，使得一个基本定量的绝对误差量相对往复杆微量注出色浆的单位行程量减少，以便提高微量注出色浆的精度。举例来说，就是减少步进电机每步的理论注出色浆量来提高精度。而且本行业普遍围绕这一点来提高微量注出色浆的精度；
除了现有技术以上提到的缺点和解决问题的侧重点，US2009236367A1专利产品还存在以下缺陷：(1)当泵长时间不用时，且色浆粘稠可能向下压不动，需要加大力度往下压，由于弹簧有一定的弹性限度，活塞与壁有一定摩擦，弹簧容易在注出大剂量色浆时被压变形，引起泵注出行程的误差；(2)滑动装置无论中间还是两边均需密封性特别好，以免色浆漏出。(3)必须设置弹簧预紧力，弹簧预紧力设置较大时，电机功率使用过大，浪费能 源，同时在泵触底进入微量注出色浆时为了克服弹簧阻力，对泵体施力过大容易造成机架变形、位移、振动，导致泵杆行程产生变化，影响出浆量精确度；(4)弹簧预紧力设置较小时，色浆阻力较大时，容易造成弹簧压缩，影响出浆量精确度；(5)泵中气体会严重影响小计量色浆注出的精度。
发明内容
本发明的目的就在于为了克服现有技术的不足而提供一种既大量高效注出又保证微量注出色浆精度的大截面缸体往复式容积泵。
本发明的目的是以下述技术方案实现的：
一种既大量注出又微量注出色浆泵，包括一个大往复式容积泵，大往复式容积泵包括大往复件、大泵体及大泵进出口，其特征在于：在该大泵体内，设置一个与大往复件固定的小往复件，大泵体底座上设小泵体，小泵体设小泵进出口，所述小往复件、小泵体和小泵进出口构成小往复式容积泵。
大泵体底座上设小泵体，是指大泵体底座内设小泵体。
大泵体底座上设小泵体，是指大泵体底座的表面上伸出小泵体。
设置控制阀控制所述大泵进出口和所述小泵进出口连通色浆桶或者注出色浆。
所述小往复件、小泵体和小泵进出口构成小往复式容积泵。
大往复式容积泵为大折叠泵、大柱塞泵或者大活塞泵之一，小往复式容积泵为小折叠泵。
或者所述大往复式容积泵为大折叠泵、大柱塞泵或者大活塞泵之一，所述小往复式容积泵为小柱塞泵或者小活塞泵之一，其小活塞杆或者小柱塞杆伸入小缸体的长度大于等于大往复件行程。
或者所述大往复式容积泵为大折叠泵、大柱塞泵或者大活塞泵之一，所述小往复件为小活塞组件或者小柱塞杆、小泵体为小缸体，小活塞组件或者小柱塞杆伸入小缸体的最大长度小于大往复件行程，小活塞组件或者小柱塞杆伸入小缸体时，小活塞组件或者小柱塞杆、小缸体和小泵进出口构成小柱塞泵或者小活塞泵。
所述小泵体与大泵体同轴设置。
控制阀控制大泵进出口和小泵进出口连通色浆桶或者注出，至少包括下述连通结构：
①、大泵进出口连通色浆桶、小泵进出口连通色浆桶、大泵进出口和小泵进出口均连通色浆桶，前述三种方式单独或者组合；
②、大泵进出口单独注出或者大泵进出口和小泵进出口共同注出，或者大泵进出口连通色浆注出口注出或者大泵进出口和小泵进出口共同连通色浆注出口注出；
③、小泵进出口单独注出或者小泵进出口连通色浆注出口注出。
所述控制阀为滑动阀，滑动阀为，驱动滑块Ⅰ上设与大泵进出口、小泵进出口连通的大泵延长进出口与小泵延长进出口，色浆桶进出口分支为两个，分别为色浆桶进出口Ⅰ与色浆桶进出口II：
①、色浆桶进出口Ⅰ与色浆桶进出口II分别与大泵进出口、小泵进出口连通；
②、大泵延长进出口与小泵延长进出口均外露；
③、大泵进出口与色浆桶进出口I连通，小泵延长进出口外露作为注出口。
所述控制阀包括阀体和阀芯，阀体上设大泵进出口和小泵进出口、色浆桶进出口和色浆注出口，其中，色浆桶进出口通过第一分支通道连通色浆桶分支进出口I，通过第二分支通道连通色浆桶分支进出口II；阀芯设轴心通道，径向通道I、径向通道II、径向通道III分别与轴心通道连通，阀芯表面设圆弧槽通道，圆弧槽通道、径向通道I与大泵进出口对应，轴心通道与小泵进出口始终连通：
①、当径向通道I与色浆桶分支进出口II连通时，径向通道I连通色浆桶抽吸色浆；当径向通道I与色浆桶通道分支进出口I连通时，圆弧槽通道与径向通道I同时连通色浆桶通道出入口抽吸色浆；
②当径向通道III对准色浆注出口时，径向通道I与大泵进出口连通，大泵进出口与小泵进出口同时通过轴心通道与径向通道III连通，径向通道III注出大量色浆，其它通道关闭；
③、当径向通道II对准色浆注出口时，圆弧槽与色浆桶进出口I连通，即大泵进出口色浆回流，小泵进出口连通轴心通道，轴心通道连通径向通道II，由径向通道II通过色浆注出口注出微量色浆，其它通道关闭。
进一步，所述色浆桶进出口分支为两个位于阀芯侧方的色浆桶进出口I和色浆桶进出口III后，又分支为两个位于阀芯侧方的色浆桶进出口III和色浆桶进出口Ⅳ，色浆桶进出口III和色浆桶进出口Ⅳ与径向通道II、径向通道III对应；①、当径向通道I与色浆桶通道进出口II连通时，径向通道III连通色浆桶分支进出口III，径向通道II连通色浆桶分支进出口Ⅳ，小泵进出口连通色浆桶抽吸色浆；②、当径向通道I与色浆桶通道进出口I连通时，径向通道III连通色浆桶分支进出口Ⅳ，径向通道II连通色浆桶分支进出口III，大泵进出口与小泵进出口连通色浆桶抽吸色浆。
所述控制阀为包括阀体II和阀芯II，阀体II上设大泵进出口和小泵进出口、色浆桶进出口和色浆注出口，其中，色浆桶进出口通过第一分支通道连通色浆桶分支进出口I，色浆桶进出口通过第二分支通道连通色浆桶分支进出口II，色浆桶进出口设第三分支通道；阀芯II设轴心通道、径向通道I、径向通道II、径向通道III分别与轴心通道连通，阀芯表面设圆弧槽通道，圆弧槽通道、径向通道I与大泵进出口对应，轴心通道与小泵进出口对应部位轴向间隔90°设径向小泵通道I、径向小泵通道II、径向小泵通道III和轴向小泵通道：
①、当径向通道I与色浆桶分支进出口II连通时，径向通道I连通，大泵进出口与圆弧槽通道并与色浆桶通道分支进出口I连通，小泵进出口通过轴向小泵通道与色浆桶进出口连通，抽吸色浆，其它通道关闭；
②、当径向通道III对准色浆注出口时，大泵进出口通过径向通道I与轴心通道连通；小泵进出口通过径向小泵通道III与轴心通道连通；即大泵进出口与小泵进出口同时通过轴心通道与径向通道III连通，径向通道III注出大量色浆，其它通道关闭；
③、当径向通道II对准色浆注出口时，圆弧槽与色浆桶进出口II连通，即大泵进出口色浆回流，小泵进出口通过径向小泵通道I连通轴心通道，轴心通道连通径向通道II，由径向通道II注出微量色浆，色浆穿过色浆注出口注出，其它通道关闭。
进一步，所述色浆桶进出口分支为两个位于阀芯侧方的色浆桶进出口I和色浆桶进出口III后，又分支为两个位于阀芯侧方的色浆桶进出口III和色浆桶进出口Ⅳ，色浆桶进出口III和色浆桶进出口Ⅳ与径向通道II、径向通道III对应；①、当径向通道I与色浆桶通道进出口II连通时，径向通道III连通色浆桶分支进出口III，径向通道II连通色浆桶分支进出口Ⅳ；②、当径向通道I与色浆桶通道分支进出口I连通时，径向通道II与色浆桶分支进出口III连通，径向通道III与色浆桶进出口Ⅳ连通。
所述控制阀为大缸体底座上设色浆注出口和色浆桶通道，大缸体内设旋转阀芯IV；旋转阀芯IV轴芯上设小缸体，小缸体沿径向伸出小泵进出口，小缸体外侧设大泵进出口，小缸体沿径向伸出另一个进出口，该进出口与另一个大泵进出口连通构成合并进出口，
①合并进出口与色浆桶通道对准，抽吸色浆；
②大泵进出口对准色浆注出口或者合并进出口对准注出口，打出大量色浆；
③小泵进出口对准色浆注出口，注出微量色浆。
本发明提供的往复式容积泵，利用一个大截面泵既可实现大量注出又可微量注出色浆，保证了色浆注出量的精准度，特别是保证了微量色浆的注出精度，与现有技术相比，具有精度高、结构简单、相对于专利US2009236367A1结构，其防漏性能好，往复泵缸体的长度方向上利用率高，泵支架的弹性变形小而提高了往复泵行程精度，当往复泵正置(即往复杆向上移动，色浆由往复泵的下方抽入缸体)或水平使用时，解决了泵中集气严重影响微量注出色浆精度这个一直没能很好解决的难题。同样，该泵制成的调色机使用方便、占地面积小。
附图说明
图1a是本发明基本结构示意图；
图1b是本发明基本结构工作示意图；
图2a是本发明为折叠泵时大泵工作示意图；
图2b是本发明为折叠泵时小泵工作示意图；
图2c是本发明为折叠泵时小泵体同为折叠泵示意图；
图3a是控制阀为三通阀时吸色浆示意图；
图3b是控制阀为三通阀时小泵工作示意图；
图3c是控制阀为三通阀时大泵小泵同时工作示意图；
图3d是控制阀为三通阀时另一种吸色浆工作示意图；
图4是大往复杆一直在小缸体结构示意图；
图5是大往复杆可脱离小缸体结构示意图；
图6是大泵体底座的表面上伸出小泵体的结构示意图；
图7a是控制阀为滑动阀时吸色浆示意图；
图7b是控制阀为滑动阀时小泵工作示意图；
图7c是控制阀为滑动阀时大泵工作示意图；
图8a是控制阀为滑动阀、小泵直径较大时吸色浆示意图；
图8b是控制阀为滑动阀、小泵直径较大时小泵工作示意图；
图8c是控制阀为滑动阀、小泵直径较大时大泵工作示意图；
图9a是控制阀为转动阀时，阀芯结构示意图；
图9b是控制阀为转动阀时，阀芯通道示意图；
图10a是控制阀为转动阀时，阀体结构示意图；
图10b是控制阀为转动阀时，阀体通道示意图；
图11a是控制阀为转动阀时，注出微量色浆通道示意图；
图11b是控制阀为转动阀时，注出大量色浆通道示意图；
图11c是控制阀为转动阀时，吸色浆通道示意图；
图11d是控制阀为转动阀时，另一种吸色浆状态通道示意图；
图12a是控制阀为另一种转动阀时，阀体结构示意图；
图12b是控制阀为另一种转动阀时，阀体通道示意图；
图13a是控制阀为另一种转动阀时，阀芯结构示意图；
图13b是控制阀为另一种转动阀时，阀芯通道示意图；
图14a控制阀为另一种转动阀时，吸色浆通道示意图；
图14b控制阀为另一种转动阀时，注出大量色浆通道示意图；
图14c控制阀为另一种转动阀时，注出微量色浆通道示意图；
图14d控制阀为另一种转动阀时，清洗泵体通道示意图；
图15是控制阀包括旋转阀芯IV整体结构示意图；
图15a是控制阀包括旋转阀芯IV时，旋转阀芯结构示意图；
图15b是控制阀包括旋转阀芯IV时，旋转阀芯通道示意图；
图16a是控制阀包括旋转阀芯IV时，大缸体底座结构示意图；
图16b是控制阀包括旋转阀芯IV时，大缸体底座通道示意图；
图17a是控制阀包括旋转阀芯IV时，吸色浆通道示意图；
图17b是控制阀包括旋转阀芯IV时，注出微量色浆通道示意图；
图17c是控制阀包括旋转阀芯IV时，注出大量色浆通道示意图；
图18是本发明色浆泵倒置结构示意图。
具体实施方式
以下结合附图及实施例加以说明。
本发明公开的一种既大量注出又微量注出色浆的色浆泵，如图1a、图1b，其基本组成为：容积变化的空间I大泵体即大缸体1、大往复件(包括大往复杆2、大往复杆2施能端2a、大往复杆2推动的活塞2b)、容积变化的小泵体空间II即小缸体4、小往复件即小往复杆3、大泵进出口5及小泵进出口6；大缸体1、大往复件与大泵进出口5构成大往复式容积泵；小往复件、小泵体和小泵进出口6构成小往复式容积泵；小往复式容积泵与大往复式容积泵同时工作。当然，本行业的技术人员也可以用柱塞泵头代替大往复杆2和活塞2b实现本发明；如图1a所示，当小往复杆3未***小缸体4时，大往复杆2在大缸体1内的往复运动实现大量注出色浆，大缸体1内的色浆从小泵进出口6及大泵进出口5吸入或推出；如图1b所示，当小往复杆3***小缸体4时，大往复杆2在大缸体1内的注出色浆的量分为两部分，一部分是小泵进出口注出量，另一部分是大泵进出口注出量，这样当小泵进出口注出，大泵进出口回流至色浆桶时，就是微量注出，当小泵进出口和大泵进出口均注出时就是大量注出。小往复杆3在小缸体4内形成微量注出色浆泵，微量色浆从小泵进出口6注出，此时大缸体1内的色浆从大泵进出口5排出进入色浆桶，实现微量注出色浆；此图中小缸体4的轴线与大缸体1的轴线为不同轴的方式。
如图2a、图2b是容积变化的空间I为折叠泵的折叠体1a的示意图，其中折叠体1a为大泵体，图2a为小往复杆3即小往复件未进入小泵体(即小缸体4)时的大泵工作状态，图2b为小往复杆3进入小缸体4时的小泵工作状态；其工作原理同图1a、图1b一样，折叠体1a等同大泵体1、大往复杆2及与其连接的大往复板2c构成大往复件。其它零件为小往复件3、小泵体4、大泵进出口5、小泵进出口6、导向柱2d，此实施方式也是小泵体4与折叠体1a不同轴的实施方式。
如图2c所示，所述大往复式容积泵为大折叠泵，大往复杆2及与其连接的大往复板2c构成大往复件，大往复杆2推动大往复板2c沿导向柱2d往复运动，大折叠泵体1a底座上设大泵进出口5，大折叠泵体1a(即大泵体)内套设小折叠泵体4a，小折叠泵体4a底座上 设小泵进出口6，所述小往复件为大往复板2c对应小折叠泵体4a的部分板面。
如图3a、图3b、图3c、图3d是既大量注出又微量注出色浆的色浆泵的一种实施方式。两个三通阀控制大泵进出口5和小泵进出口6连通色浆注出口，三通阀不限定于转阀，可以是其它的电磁三通阀、滑杆三通阀、滑片三通阀等。两个三通阀可以单独控制，也可相连同时控制各通道的通断。如图3a所示，由大往复杆2、大往复杆2施能端2a、大往复杆2推动的活塞2b构成大往复件，小往复件即小往复杆3，大泵进出口5、小泵进出口6与色浆桶进出口8、色浆注出口9之间设有色浆流通通道，大泵进出口5连通三通阀II7b第一个口，三通阀II7b第二个口连通色浆桶进出口8，小泵进出口6连通三通阀I7a的第一个口，三通阀I7a第二个口连通色浆注出口9，三通阀II7b的第三个口连通小泵进出口6与三通阀I7a之间的通道，三通阀I7a的第三个口连通三通阀II7b第二个口与色浆桶进出口8连通的通道。如图3a所示，大泵进出口5、小泵进出口6均与色浆桶进出口8连通，通过抽拉大往复杆2，可以实现吸入色浆的目的，调节三通阀I7a、三通阀II7b方向至如图3b所示，大泵进出口5与色浆桶进出口8连通，小泵进出口6与色浆注出口9连通，可以实现小泵微量注出，大泵回流色浆桶即小剂量注出色浆的目的；调节三通阀I7a与三通阀II7b方向至如图3c所示，大泵进出口5、小泵进出口6均与色浆注出口9连通，可以实现大泵、小泵同时注出即大剂量注出色浆的目的；如图3d所示，大泵进出口5、小泵进出口6均与色浆桶进出口8连通，即同样实现吸入色浆的目的。
一种既大量注出又微量注出色浆的色浆泵，如图4所示，为活塞泵，包括大缸体1(即大泵体)、大往复式杆2为活塞杆，活塞杆通过活塞2b实现抽吸或压出，大往复式杆2与活塞2b构成大往复件，活塞2b向缸内伸出小往复杆3，大缸体1和大往复件构成的往复式泵称为大泵，大缸体1底座内设另一个缸体，称为小缸体4(即小泵体)，可直接在大缸体1上挖孔或设管作为小缸体4，大缸体1和小缸体4同轴设置，如图4所示；大往复杆2伸入缸体的一端连接另一个往复杆，称为小往复杆3(即小往复件)，小缸体4可与小往复杆3配合，构成小泵；小缸体4设小泵进出口6，大缸体1设大泵进出口5。小往复杆3伸入小缸体4的长度大于等于大往复杆2行程，此时小往复杆3一直在小缸体4内；小往复杆3伸入小缸体4的长度也可小于大往复杆2行程，如图5所示，此时小往复杆3可脱离小缸体4。大泵进出口5和小泵进出口6配置控制阀，控制阀控制大泵进出口5和小泵进出口6连通色浆桶或者注出。图4、图5为小缸体4与大缸体1同轴设置的实施方式，这样更容易制作和实现。
本发明中，大泵体底座上设小泵体，是指大泵体底座的表面上伸出小泵体，此次小缸体4凸出于大缸体1底座表面110，如图6所示。
控制阀可为转动阀、滑动阀或其他形式的实现上述功能的止通阀。
控制阀为一种滑动阀时，如图7a、图7b、图7c所示，步进电机51前设驱动滑块Ⅰ52，驱动滑块Ⅰ52下方有定滑块II53，驱动滑块Ⅰ52上设与大泵进出口5、小泵进出口6连通的大泵延长进出口5a与小泵延长进出口6a，色浆桶进出口分支为两个，分别为色浆桶进出口Ⅰ8a与色浆桶进出口II8b。如图7a所示，色浆桶进出口I8a与色浆桶进出口I I8b分别与大泵进出口5、小泵进出口6连通，通过抽拉大往复杆2即实现吸入色浆的目的；如图7b所示，大泵进出口5与色浆桶进出口I8a连通，小泵延长进出口6a外露作为注出口，可实现小泵工作即小剂量注出色浆的目的；如图7c所示，大泵延长进出口5a与小泵延长进出口6a均外露，可实现大小泵同时工作即大剂量注出色浆的目的。步进电机51可驱动滑块移动，从而实现如上所述不同的管路连接方式达到不同的目的。对于大泵内设小泵的注出量，当小泵工作时，如果小泵直径小，那么小泵就微量注出，如果小泵直径较大，那么大泵延长进出口5a注出的就是微量，如图8a、8b、8c中的小泵的直径较大，那么小泵延长进出口6a注出的就不是微量，而大泵剩余的截面小，大泵延长进出口5a注出的就是微量。图8a与图7a连通方式对应，图8c与图7c连通方式对应，图8b的大泵延长进出口5a直接注出，小泵延长进出口6a连通色浆桶，上述两种方式，仅仅是说明大小泵的相对性，一般以小泵直径小打出微量色浆的方式为准，更简单的方案，电机直接驱动两个色浆桶进出口8a、8b直接对准大泵进出口5和小泵进出口6，并通过滑动两个色浆桶进出口8a和8b同样能够实现。
控制阀为转动阀时，所述控制阀包括阀体和阀芯，如图10a、10b所示，图10b是图10a所示阀体的内部色浆通道示意图。阀体上设大泵进出口5和小泵进出口6、色浆桶进出口8和色浆注出口9，阀体可与以上所述的折叠泵体、活塞泵体或柱塞泵体连接，色浆注出口9是可以是阀体下端面的窗口或缺口，也可以是通道，其中，色浆桶进出口8通过第一分支通道8y连通色浆桶分支进出口I8a，通过第二分支通道8x连通色浆桶分支进出口II8b；如图9a、9b所示，阀芯设轴心通道7e，径向通道I7b、径向通道II7c、径向通道III7d分别与轴心通道7e连通，阀芯表面设圆弧槽通道7a，圆弧槽通道7a目的是实现阀芯此处表面两处的色浆通道，不只限定圆弧通道，如直接在表面打一通孔实现表面两处的贯通，径向通道I7b、圆弧槽通道7a与大泵进出口5对应，轴心通道7e与小泵进出口6始终连通。
如图11a所示为转动阀内的色浆通道图，当径向通道II7c对准色浆注出口9时，圆弧槽7a与色浆桶进出口I8a连通，即大泵进出口色浆通过圆弧槽7a、色浆桶进出口I8a、第一分支通道8y回流至色浆桶，小泵进出口6连通轴心通道7e，轴心通道7e连通径向通道II7c，由径向通道II7c通过色浆注出口9注出微量色浆，其它通道关闭。
如图11b所示，当径向通道III7d对准色浆注出口9时，径向通道I7b与大泵进出口5连通，即大泵进出口5与小泵进出口6同时通过轴心通道7e与径向通道III7d连通，径向通道III7d注出大量色浆，其它通道关闭。
如图11c所示，当径向通道I7b与色浆桶分支进出口II8b连通时，小泵进出口6通过轴心通道7e、径向通道I7b、色浆桶分支进出口II8b连通色浆桶抽吸色浆。
如图11d所示，当径向通道I7b与色浆桶分支进出口I8a连通时，大泵进出口5通过圆弧槽通道7a、色浆桶分支进出口II8b、第二分支通道8x连通色浆桶进出口8，小泵进出口6通过轴心通道7e、径向通道I7b、色浆桶分支进出口I8a、第一分支通道8y同时连通色浆桶进出口8抽吸色浆，以上是假设没有色浆桶分支进出口III8c和色浆桶分支进出口IV8d。
如图10a、10b所示，色浆桶进出口8分支为两个位于阀芯侧方的色浆桶进出口I8a和色浆桶进出口III8b后，又分支为两个位于阀芯侧方的色浆桶分支进出口III8c和色浆桶分支进出口Ⅳ8d，色浆桶分支进出口III8c和色浆桶分支进出口Ⅳ8d与径向通道II7c、径向通道III7d一一对应；①、如图11c所示，当径向通道I7b与色浆桶通道进出口II8b连通时，径向通道III7d连通色浆桶分支进出口III8c，径向通道II7c连通色浆桶分支进出口Ⅳ8d，小泵进出口6连通色浆桶抽吸色浆；②如图11d所示，当径向通道I7b与色浆桶通道进出口I8a连通时，径向通道III7d连通色浆桶分支进出口Ⅳ8d，径向通道II7c连通色浆桶分支进出口III8c，大泵进出口5与小泵进出口6连通色浆桶抽吸色浆。
如图12a、12b、13a、13b所示，为控制阀为转动阀的另一种结构，控制阀包括阀体II和阀芯II，阀体II上设大泵进出口5和小泵进出口6、色浆桶进出口8和色浆注出口9，其中，色浆桶进出口8通过第一分支通道8y连通色浆桶分支进出口I8a，色浆桶进出口8通过第二分支通道8x连通色浆桶分支进出口II8b，色浆桶进出口8设第三分支通道8z；阀芯II设轴心通道7f、径向通道I7b、径向通道II7c、径向通道III7d分别与轴心通道7f连通，阀芯II表面设圆弧槽通道7a，圆弧槽通道7a、径向通道I7b与大泵进出口5对应，轴心通道7f与小泵进出口6对应部位轴向间隔90°设径向小泵通道I7i、径向小泵通道II7j、径向小泵通道III7k和轴向小泵通道7h：
①、图14a当径向通道I7b与色浆桶分支进出口II8b连通时，大泵进出口5与圆弧槽通道7a并与色浆桶通道分支进出口I8a连通，通过第一分支通道8y连通色浆桶进出口8；小泵进出口6通过轴向小泵通道7h、第三分支通道8z与色浆桶进出口8连通，抽吸色浆，其它通道关闭；
②、图14b当径向通道III7d对准色浆注出口9时，大泵进出口5通过径向通道I7b与轴心通道7f连通；小泵进出口6通过径向小泵通道III7k与轴心通道7f连通；即大泵进出口5与小泵进出口6同时通过轴心通道7f与径向通道III7d连通，径向通道III7d注出大量色浆，其它通道关闭；
③、图14c当径向通道II7c对准色浆注出口9时，圆弧槽7a与色浆桶进出口II8b连通，即大泵进出口5色浆通过第二分支通道8x回流；小泵进出口6通过径向小泵通道I7i连 通轴心通道7f，轴心通道7f连通径向通道II7c，由径向通道II7c注出微量色浆，色浆穿过色浆注出口9注出，其它通道关闭。以上是假设没有色浆桶分支进出口III8c和色浆桶分支进出口IV8d。
如图12a、12b，色浆桶进出口8分支为两个位于阀芯侧方的色浆桶进出口I8a和色浆桶进出口II8b后，又分支为两个位于阀芯侧方的色浆桶进出口III8c和色浆桶进出口Ⅳ8d，色浆桶进出口III8c和色浆桶进出口Ⅳ8d与径向通道II7c、径向通道III7d对应；①、如图14a所示，当径向通道I7b与色浆桶通道进出口II8b连通时，径向通道III7d连通色浆桶分支进出口III8c，径向通道II7c连通色浆桶分支进出口Ⅳ8d，抽吸色浆。
②如图14d所示，当径向通道I7b与色浆桶通道分支进出口I8a连通时，径向通道II7c与色浆桶分支进出口III8c连通，径向通道III7d与色浆桶进出口Ⅳ8d连通，小泵进出口6与色浆桶连通，大泵进出口封闭，除了抽吸少量色浆外，可以通过抽放色浆清洗径向通道II7c和径向通道III7d出口处的色浆。需要说明的是，原来，涂料长时间静止在管道内，也容易造成涂料混不均。在图14d中，小往复杆伸入小缸体的长度小于大往复杆的行程，这样，当小往复杆不伸入小缸体而大往复杆往复运动，来冲刷管道。
图15是控制阀为另一种结构示意图。如图15、16a、16b所示，大缸体1底座102上设注出口9和色浆桶通道8，底座102轴芯设转轴103，大缸体1内设旋转阀芯IV 101；如图15a、15b所示，旋转阀芯IV101轴芯设小缸体4，小缸体4沿径向伸出小泵进出口6，小缸体4外侧设大泵进出口5，小缸体4沿径向伸出另一个进出口，该进出口与大泵另一个进出口连通构成合并进出口56，这样转动阀芯101，①如图17a，合并进出口56与色浆桶通道8对准，抽吸色浆，色浆100流入缸体内；②如图17b，小泵进出口6对准注出口9，注出微量色浆，大泵进出口5与色浆桶进出口8连通，大泵进出口5回流至色浆桶；③如图17c，大泵进出口5对准注出口9或者合并进出口56对准注出口9，打出大量色浆。
往复式容积泵还可由一个大泵和两个或三个小泵组成。
此往复式容积泵还可为倒置结构，如图18所示，倒置结构有利于气体排出，提高色浆注出精度的稳定性。
本发明的大往复件的驱动包含手动驱动、步进电机驱动、伺服电机驱动。本发明中控制阀位置的转换包含手工或步进电机或同步电机或带有转位控制的减速电机实现的转换。改变控制阀的方向位置，可实现吸入色浆，微量注出色浆、大量注出色浆、排除空气、清洗泵体的目的，并保证了色浆注出精度和效率。
本发明的一种既大量注出又微量注出色浆泵，通过简单旋转控制阀或推动滑动阀即方便实现既可大量注出又可微量注出色浆的目的，同时由于大往复杆与小往复杆为一个整体，不存在US2009236367A1专利结构中弹簧伸缩力影响精度、严格要求密封性的问题。

Claims (15)

  1. 一种既大量注出又微量注出色浆泵，包括一个大往复式容积泵，大往复式容积泵包括大往复件、大泵体及大泵进出口，其特征在于：在该大泵体内，设置一个与大往复件固定的小往复件，大泵体底座上设小泵体，小泵体设小泵进出口，所述小往复件、小泵体和小泵进出口构成小往复式容积泵。
  2. 如权利要求1所述的既大量注出又微量注出色浆泵，其特征在于：大泵体底座上设小泵体，是指大泵体底座内设小泵体。
  3. 如权利要求1所述的既大量注出又微量注出色浆泵，其特征在于：大泵体底座上设小泵体，是指大泵体底座的表面上伸出小泵体。
  4. 如权利要求1所述的既大量注出又微量注出色浆泵，其特征在于：设置控制阀控制所述大泵进出口和所述小泵进出口连通色浆桶或者注出色浆。
  5. 如权利要求1所述的既大量注出又微量注出色浆泵，其特征在于：所述大往复式容积泵为大折叠泵、大柱塞泵或者大活塞泵之一，所述小往复式容积泵为小折叠泵。
  6. 如权利要求1所述的既大量注出又微量注出色浆泵，其特征在于：所述大往复式容积泵为大折叠泵、大柱塞泵或者大活塞泵之一，所述小往复式容积泵为小柱塞泵或者小活塞泵之一，其小活塞杆或者小柱塞杆伸入小缸体的长度大于等于大往复件行程。
  7. 如权利要求4所述的既大量注出又微量注出色浆泵，其特征在于：所述大往复式容积泵为大折叠泵、大柱塞泵或者大活塞泵之一，所述小往复件为小活塞组件或者小柱塞杆、小泵体为小缸体，小活塞组件或者小柱塞杆伸入小缸体的最大长度小于大往复件行程，小活塞组件或者小柱塞杆伸入小缸体时，小活塞组件或者小柱塞杆、小缸体和小泵进出口构成小柱塞泵或者小活塞泵。
  8. 如权利要求6或者7所述的既大量注出又微量注出色浆泵，其特征在于：所述小泵体与大泵体同轴设置。
  9. 如权利要求4所述的既大量注出又微量注出色浆泵，其特征在于：所述控制阀控制大泵进出口和小泵进出口连通色浆桶或者注出，至少包括下述三个连通结构：
    ①、大泵进出口连通色浆桶、小泵进出口连通色浆桶、大泵进出口和小泵进出口均连通色浆桶，前述三种方式单独或者组合；
    ②、大泵进出口单独注出或者大泵进出口和小泵进出口共同注出，或者大泵进出口连通色浆注出口注出或者大泵进出口和小泵进出口共同连通色浆注出口注出；
    ③、小泵进出口单独注出或者小泵进出口连通色浆注出口注出。
  10. 如权利要求9所述的既大量注出又微量注出色浆泵，其特征在于：所述控制阀为滑动阀，滑动阀为，驱动滑块Ⅰ(52)上设与大泵进出口(5)、小泵进出口(6)连通的大泵延长进出口(5a)与小泵延长进出口(6a)，色浆桶进出口分支为两个，分别为色浆桶进出口Ⅰ(8a)与色浆桶进出口II(8b)：
    ①、色浆桶进出口Ⅰ(8a)与色浆桶进出口II(8b)分别与大泵进出口(5)、小泵进出口(6)连通；
    ②、大泵延长进出口(5a)与小泵延长进出口(6a)均外露；
    ③、大泵进出口(5)与色浆桶进出口I(8a)连通，小泵延长进出口(6a)外露作为注出口。
  11. 如权利要求9所述的既大量注出又微量注出色浆泵，其特征在于：所述控制阀包括阀体和阀芯，阀体上设大泵进出口(5)和小泵进出口(6)、色浆桶进出口(8)和色浆注出口(9)，其中，色浆桶进出口(8)通过第一分支通道(8y)连通色浆桶分支进出口I(8a)，通过第二分支通道(8x)连通色浆桶分支进出口II(8b)；阀芯设轴心通道(7e)，径向通道I(7b)、径向通道II(7c)、径向通道III(7d)分别与轴心通道(7e)连通，阀芯表面设圆弧槽通道(7a)，圆弧槽通道(7a)、径向通道I(7b)与大泵进出口(5)对应，轴心通道(7e)与小泵进出口(6)始终连通：
    ①、当径向通道I(7b)与色浆桶分支进出口II(8b)连通时，径向通道I(7b)连通色浆桶抽吸色浆；当径向通道I(7b)与色浆桶通道分支进出口I(8a)连通时，圆弧槽通道(7a)与径向通道I(7b)同时连通色浆桶通道出入口(8)抽吸色浆；
    ②、当径向通道III(7d)对准色浆注出口(9)时，径向通道I(7b)与大泵进出口(5)连通，即大泵进出口(5)与小泵进出口(6)同时通过轴心通道(7e)与径向通道III(7d)连通，径向通道III(7d)注出大量色浆，其它通道关闭；
    ③、当径向通道II(7c)对准色浆注出口(9)时，圆弧槽(7a)与色浆桶进出口I(8a)连通，即大泵进出口(5)色浆回流，小泵进出口(6)连通轴心通道(7e)，轴心通道(7e)连通径向通道II(7c)，由径向通道II(7c)通过色浆注出口(9)注出微量色浆，其它通道关闭。
  12. 如权利要求11所述的既大量注出又微量注出色浆泵，其特征在于：所述色浆桶进出口(8)分支为两个位于阀芯侧方的色浆桶进出口I(8a)和色浆桶进出口III(8b)后，又分支为两个位于阀芯侧方的色浆桶进出口III(8c)和色浆桶进出口Ⅳ(8d)，色浆桶进出口III(8c)和色浆桶进出口Ⅳ(8d)与径向通道II(7c)、径向通道III(7d)对应；①当径向通道I(7b)与色浆桶通道进出口II(8b)连通时，径向通道III(7d)连通色浆桶分支进出口III(8c)，径向通道II(7c)连通色浆桶分支进出口Ⅳ(8d)，小泵进出口(6)连通色浆桶抽吸色浆；②当径向通道I(7b)与色浆桶通道进出口I(8a)连通时，径向通道III(7d)连通色浆桶分支进出口Ⅳ(8d)，径向通道II(7c)连通色浆桶分支进出口III(8c)，大泵进出口(5)与小泵进出口(6)连通色浆桶抽吸色浆。
  13. 如权利要求9所述的既大量注出又微量注出色浆泵，其特征在于：所述控制阀包括阀体II和阀芯II，阀体II上设大泵进出口(5)和小泵进出口(6)、色浆桶进出口(8)和色浆注出口(9)，其中，色浆桶进出口(8)通过第一分支通道(8y)连通色浆桶分支进出口I(8a)，色浆桶进出口(8)通过第二分支通道(8x)连通色浆桶分支进出口II(8b)，色浆桶进出口(8)设第三分支通道(8z)；阀芯II设轴心通道(7f)、径向通道I(7b)、径向通道II(7c)、径向通道III(7d)分别与轴心通道(7f)连通，阀芯表面设圆弧槽通道(7a)， 圆弧槽通道(7a)、径向通道I(7b)与大泵进出口(5)对应，轴心通道(7f)与小泵进出口(6)对应部位轴向间隔90°设径向小泵通道I(7i)、径向小泵通道II(7j)、径向小泵通道III(7k)和轴向小泵通道(7h)：
    ①、当径向通道I(7b)与色浆桶分支进出口II(8b)连通时，径向通道I(7b)连通，大泵进出口(5)与圆弧槽通道(7a)并与色浆桶通道分支进出口I(8a)连通，小泵进出口(6)通过轴向小泵通道(7h)与色浆桶进出口(8)连通，抽吸色浆，其它通道关闭；
    ②、当径向通道III(7d)对准色浆注出口(9)时，大泵进出口(5)通过径向通道I(7b)与轴心通道(7f)连通；小泵进出口(6)通过径向小泵通道III(7k)与轴心通道(7f)连通；即大泵进出口(5)与小泵进出口(6)同时通过轴心通道(7f)与径向通道III(7d)连通，径向通道III(7d)注出大量色浆，其它通道关闭；
    ③、当径向通道II(7c)对准色浆注出口(9)时，圆弧槽(7a)与色浆桶进出口II(8b)连通，即大泵进出口色浆回流，小泵进出口(6)通过径向小泵通道I(7i)连通轴心通道(7f)，轴心通道(7f)连通径向通道II(7c)，由径向通道II(7c)注出微量色浆，色浆穿过色浆注出口(9)注出，其它通道关闭。
  14. 如权利要求13所述的既大量注出又微量注出色浆泵，其特征在于：所述色浆桶进出口(8)分支为两个位于阀芯侧方的色浆桶进出口I(8a)和色浆桶进出口III(8b)后，又分支为两个位于阀芯侧方的色浆桶进出口III(8c)和色浆桶进出口Ⅳ(8d)，色浆桶进出口III(8c)和色浆桶进出口Ⅳ(8d)与径向通道II(7c)、径向通道III(7d)对应；当径向通道I(7b)与色浆桶通道进出口II(8b)连通时，径向通道III(7d)连通色浆桶分支进出口III(8c)，径向通道II(7c)连通色浆桶分支进出口Ⅳ(8d)；②当径向通道I(7b)与色浆桶通道分支进出口I(8a)连通时，径向通道II(7c)与色浆桶分支进出口III(8c)连通，径向通道III(7d)与色浆桶进出口Ⅳ(8d)连通。
  15. 如权利要求9所述的既大量注出又微量注出色浆泵，其特征在于：所述控制阀为大缸体(1)底座上设色浆注出口(9)和色浆桶通道(8)，大缸体(1)内设旋转阀芯IV；旋转阀芯IV轴芯上设小缸体(4)，小缸体(4)沿径向伸出小泵进出口(6)，小缸体(4)外侧设大泵进出口(5)，小缸体(4)沿径向伸出另一个进出口，该进出口与大泵另一个进出口连通构成合并进出口(56)，
    ①合并进出口(56)与色浆桶通道(8)对准，抽吸色浆；
    ②大泵进出口(5)对准色浆注出口(9)或者合并进出口(56)对准注出口(9)，打出大量色浆；
    ③小泵进出口(6)对准色浆注出口(9)，注出微量色浆。
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EP3236120A1 (en) 2017-10-25
MX2017008014A (es) 2017-11-16
MY189695A (en) 2022-02-26
KR20170107971A (ko) 2017-09-26
EP3236120A4 (en) 2018-08-01
ES2879971T3 (es) 2021-11-23

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