CN117569992B - Metering pump for polyester staple fiber processing - Google Patents
Metering pump for polyester staple fiber processing Download PDFInfo
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- CN117569992B CN117569992B CN202410064852.0A CN202410064852A CN117569992B CN 117569992 B CN117569992 B CN 117569992B CN 202410064852 A CN202410064852 A CN 202410064852A CN 117569992 B CN117569992 B CN 117569992B
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- pump
- pump body
- cavity
- way valve
- eccentric wheel
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- 229920000728 polyester Polymers 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 239000000835 fiber Substances 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000012546 transfer Methods 0.000 claims description 27
- 210000001503 joint Anatomy 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 45
- 239000012209 synthetic fiber Substances 0.000 abstract description 3
- 229920002994 synthetic fiber Polymers 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 5
- 239000003063 flame retardant Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 229920004933 Terylene® Polymers 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
- F04B9/04—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms
- F04B9/045—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical the means being cams, eccentrics or pin-and-slot mechanisms the means being eccentrics
-
- 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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement 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
- 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
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model relates to the technical field of synthetic fiber processing equipment, in particular to a metering pump for processing polyester staple fibers, which comprises the following components: the connected pump comprises two pump bodies which are fixedly connected with each other, the pump body is formed by mutually splicing an upper shell and a lower shell, and a sealing piston matched with the negative pressure cavity is slidably arranged in the cavity of the negative pressure cavity; the eccentric wheel is movably connected with one end of the driving rod and drives the driving rod to slide back and forth; the four one-way valve assemblies are respectively arranged at the upper end and the lower end of the two pump bodies, and the inner cavity of each one-way valve assembly is communicated with the negative pressure cavity; the beneficial effects are as follows: through being provided with two mutual fixed connection's the pump body, be provided with the actuating lever that extends to the pump body outside on the sealing piston, two actuating levers all are connected with the eccentric wheel, and reciprocating sliding is carried out by the eccentric wheel control, when the eccentric wheel rotational speed changes, two actuating levers change sliding speed in step to guarantee the flow equiproportion change of the different raw materials of two internal flows of pump, avoid mixing the raw materials quality to receive the influence.
Description
Technical Field
The utility model relates to the technical field of synthetic fiber processing equipment, in particular to a metering pump for processing polyester staple fibers.
Background
Polyester staple fiber is one of synthetic fibers, and is obtained by spinning polyester (namely polyethylene terephthalate (PET for short) polymerized by PTA and MEG) into tows and cutting the tows.
The utility model in China with publication number of CN214937979U discloses a flame-retardant modified polyester fiber processing device, which quantitatively feeds a flame retardant raw material and a polyester raw material respectively through two metering pumps, and then mixes the two raw materials by utilizing a mixer, so that the flame retardance and flame retardance durability of the polyester fiber are improved.
The terylene raw material and the flame retardant raw material are independently fed by the metering pumps on the respective pipelines, when the amount of the raw material needs to be increased or reduced, the two metering pumps are required to be subjected to flow regulation, and the regulated proportion is maintained to be the same as that before regulation, but because the two metering pumps are mutually independent, the flow proportion of the metering pumps is difficult to keep synchronous when the metering pumps are regulated, so that the quality of the mixed raw material is easily influenced. Therefore, the utility model provides a metering pump for processing polyester staple fibers, which is used for solving the problems.
Disclosure of Invention
The utility model aims to provide a metering pump for processing polyester staple fibers, which aims to solve the problem that the flow ratio is difficult to change synchronously when the metering pumps for two raw materials are regulated in the prior art, so that the quality of mixed raw materials is easily affected.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a metering pump for processing polyester staple fibers, comprising:
the integrated pump comprises two pump bodies which are fixedly connected with each other, the pump bodies are formed by mutually splicing an upper shell and a lower shell, a transfer bin is fixedly connected to the outer side of the pump body, the two transfer bins are mutually symmetrical to form a V shape, a negative pressure cavity which extends to the inside of the pump body is formed in the transfer bin, a sealing piston which is matched with the negative pressure cavity is slidably arranged in the negative pressure cavity, a driving rod is fixedly connected to the surface of the sealing piston, and one end of the driving rod penetrates through the transfer bin and extends to the outer side of the pump body;
the eccentric wheels are arranged on the outer sides of the two pump bodies, and are movably connected with one end of the driving rod and drive the driving rod to slide in a reciprocating manner;
the one-way valve assembly is provided with four, four one-way valve assemblies are respectively arranged at the upper end and the lower end of the two pump bodies, and the inner cavity of the one-way valve assembly is communicated with the negative pressure cavity.
Preferably, the surface fixing of eccentric wheel runs through and is provided with the eccentric shaft that is used for locating the eccentric wheel, the eccentric shaft is located the non-centre of a circle department of eccentric wheel, the equal fixedly connected with annular deflector in edge of both sides face about the eccentric wheel, the recess of dodging that supplies eccentric wheel and annular deflector card to go into is seted up to the one end of actuating lever, the equal fixedly connected with of both sides face about dodging the recess is first lug and second lug, leave the clearance between first lug and the second lug, and second lug and first lug are located the inside and outside both sides of annular deflector respectively.
Preferably, the surface of last casing and lower casing is all fixed and is provided with the bolt and inserts a section of thick bamboo, the outside cover of eccentric wheel is equipped with the protective housing, the protective housing is detained in the lateral part half of the pump body, the locating hole that corresponds with the bolt and inserts a section of thick bamboo is seted up on the protective housing surface, through bolt fixed connection between protective housing and the pump body, the upper surface undercut of protective housing forms the motor mounting groove, install driving motor in the motor mounting groove, the lower extreme and the protective housing rotation of eccentric shaft are connected, driving motor's output activity runs through motor mounting groove tank bottom and with the upper end fixed connection of eccentric shaft.
Preferably, the check valve assembly comprises a check valve body, a flow cavity is formed in the check valve body, a sealing baffle matched with the flow cavity is slidably mounted in the flow cavity, a thrust spring is fixedly connected to the lower end of the sealing baffle, a plurality of unidirectional flow grooves distributed in an annular array are formed in the inner wall of the upper portion of the flow cavity, through grooves with inner diameters smaller than those of the flow cavity are formed in the inner wall of the upper end of the flow cavity, and the sealing baffle covers the opening of the lower end of the through grooves from bottom to top.
Preferably, one end of the check valve component, which is far away from the pump body, is fixedly connected with a butt joint pipeline, the butt joint pipeline is communicated with the inner cavity of the flow cavity, a meter is arranged above the pump body, the meter is arranged in the middle of the butt joint pipeline and is communicated with the butt joint pipeline, and a sealing gasket is adhered to one end face of the check valve body, which is close to the pump body.
Preferably, the valve body mounting groove with check valve subassembly looks adaptation has all been seted up at the upper and lower both ends of the pump body, the feeding through-hole has been seted up to the inside wall in valve body mounting groove, feeding through-hole and negative pressure cavity's inner chamber intercommunication, the butt joint hole has been seted up at the inner wall middle part in flow cavity, the butt joint hole corresponds with feeding through-hole.
Preferably, the positioning groove is formed in the inner wall of the valve body mounting groove, the protrusion corresponding to the positioning groove is fixedly arranged on the surface of the one-way valve body, the protrusion is clamped into the inner cavity of the positioning groove, and the one-way valve body is fixedly connected with the pump body through a bolt.
Preferably, connecting blocks are fixedly arranged between the two upper shells and between the two lower shells, connecting bosses are fixedly connected to the side faces of the connecting blocks, the side faces of the upper shells and the side faces of the lower shells, the two connecting bosses at corresponding positions are fixedly connected through bolts, and rubber layers are adhered to the end faces of the upper shells and the lower shells, which are mutually spliced.
Preferably, the one end setting that the pump body was kept away from to the transfer feed bin is semi-circular structure, the one end inner wall of transfer feed bin is laminated and is bonded with the actuating lever has ring seal, two fixedly be provided with the pressure balance pipe between the transfer feed bin, the inner chamber in two negative pressure chambers is linked together respectively at the both ends of pressure balance pipe, and the communication mouth in pressure balance pipe and negative pressure chamber is located the one side that the check valve subassembly was kept away from to sealed piston.
Preferably, the top of disjunctor pump is provided with first inlet pipe and second inlet pipe, first inlet pipe and second inlet pipe communicate and are fixed with the butt joint pipeline that is located two pump body upper portions respectively, the below of disjunctor pump is provided with the hybrid tube, the hybrid tube is through tee bend structure with the butt joint pipeline intercommunication and the fixed that are located two pump body lower parts.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is characterized in that the pump body is formed by splicing and fixing an upper shell and a lower shell, the outer side of the pump body is fixedly provided with a transfer bin, the two transfer bins are mutually symmetrical in a V shape, the inner cavity of the transfer bin is slidably provided with a sealing piston, the sealing piston is provided with a driving rod extending to the outer side of the pump body, the two driving rods are connected with an eccentric wheel and are controlled by the eccentric wheel to slide reciprocally, and then the two driving rods are matched with a one-way valve assembly arranged on the pump body, so that the raw materials flow unidirectionally in the pump body, the two driving rods slide under the control of one eccentric wheel, when the rotating speed of the eccentric wheel changes, the sliding speed of the two driving rods is synchronously changed, the equal proportion of the flow of different raw materials flowing in the two pump bodies is ensured, the flow ratio of the two raw materials is always kept the same, and the quality of the mixed raw materials is prevented from being influenced.
Drawings
FIG. 1 is a schematic diagram of the installation of a conjoined pump structure according to the present utility model;
FIG. 2 is a schematic perspective view of the structure of the conjoined pump of the present utility model;
FIG. 3 is an exploded view of the construction of the conjoined pump of the present utility model;
FIG. 4 is a schematic illustration of a pump body construction in semi-section according to the present utility model;
FIG. 5 is a schematic perspective view of the upper housing structure of the present utility model;
FIG. 6 is an exploded view of the interior of the check valve assembly of the present utility model;
FIG. 7 is a schematic perspective view of a driving rod structure according to the present utility model;
FIG. 8 is a schematic perspective view of the eccentric wheel structure of the present utility model;
FIG. 9 is a schematic view of the flow path of the raw materials in the pump body of the present utility model.
In the figure: 1. a connected pump; 2. an upper housing; 21. a transfer bin; 211. a pressure balance tube; 22. a negative pressure chamber; 23. a sealing piston; 24. a driving rod; 241. avoiding the groove; 242. a first bump; 243. a second bump; 25. a feed through; 26. a positioning groove; 27. a connecting block; 28. a connecting boss; 29. a bolt insertion barrel; 3. a lower housing; 4. a valve body mounting groove; 5. a one-way valve assembly; 51. a one-way valve body; 52. a flow chamber; 53. a butt joint hole; 54. a sealing baffle; 55. a thrust spring; 56. a unidirectional flow channel; 57. a sealing gasket; 58. docking the pipeline; 59. a meter; 6. an eccentric wheel; 61. an eccentric shaft; 62. an annular guide plate; 7. a protective housing; 71. a motor mounting groove; 72. a driving motor; 73. positioning holes; 8. a first feed tube; 9. a second feed tube; 10. and (3) a mixing pipe.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 9, the present utility model provides a technical solution:
embodiment one, a metering pump that polyester staple processing was used includes: a conjoined pump 1, an eccentric 6 and a one-way valve assembly 5.
Specifically, the conjoined pump 1 comprises two pump bodies fixedly connected with each other, the pump body is formed by mutually splicing an upper shell 2 and a lower shell 3, a transfer bin 21 is fixedly connected to the outer side of the pump body, the two transfer bins 21 are mutually symmetrical to form a V shape, but the end parts of the two transfer bins 21 are not mutually contacted with each other, a certain interval is reserved, a negative pressure cavity 22 extending into the pump body is arranged in the transfer bin 21, a sealing piston 23 matched with the negative pressure cavity 22 is slidably arranged in the cavity of the negative pressure cavity 22, a driving rod 24 is fixedly connected to the surface of the sealing piston 23, one end of the driving rod 24 penetrates through the transfer bin 21 and extends to the outer side of the pump body, as shown in fig. 4, the sealing piston 23 can horizontally slide along the length direction of the negative pressure cavity 22 in the cavity of the negative pressure cavity 22, at the moment, when the driving rod 24 slides along with the driving rod, the space volume of the cavities at two ends of the negative pressure cavity 22 synchronously changes, and the air pressure of the cavity at one end of the negative pressure cavity 22 is increased, and the air pressure at the other end of the cavity is reduced;
secondly, the eccentric wheels 6 are arranged on the outer sides of the two pump bodies, the eccentric wheels 6 are movably connected with one end of the driving rod 24 and drive the driving rod 24 to slide in a reciprocating manner, and when the driving rod 24 slides in a reciprocating manner, the sealing piston 23 can slide in the inner cavity of the negative pressure cavity 22 in a reciprocating manner, so that the air pressure of the inner cavities at the two ends of the negative pressure cavity 22 is continuously changed;
further, the check valve assembly 5 is provided with four, and four check valve assemblies 5 are installed respectively in the upper and lower both ends of two pump bodies, and the inner chamber and the negative pressure chamber 22 intercommunication of check valve assembly 5, the check valve assembly 5 can control the raw materials and carry out unidirectional flow: when the air pressure in the inner cavity of the other end of the negative pressure cavity 22 is reduced, the check valve assemblies 5 on the upper side and the lower side of the pump body are respectively in an open state and a closed state, and at the moment, raw materials can enter the inner cavity of the negative pressure cavity 22 from the check valve assemblies 5 on the upper part of the pump body; when the air pressure in the inner cavity at the other end of the negative pressure cavity 22 is increased, the check valve assemblies 5 at the upper side and the lower side of the pump body are respectively in a closed state and an open state, and at the moment, raw materials can be discharged from the check valve assemblies 5 at the lower part of the pump body, so that the unidirectional conveying of the raw materials is realized. In combination with the above, since the sliding of the two sealing pistons 23 can be controlled by one eccentric wheel 6, the terylene raw material and the flame retardant raw material can flow in equal proportion all the time in the two pump bodies, and the flow of the raw material can be controlled by the sliding speed of the sealing pistons 23, namely the rotating speed of the eccentric wheel 6, so that the device can simultaneously control the conveying amount of the raw materials in the two pump bodies by controlling the rotating speed of the eccentric wheel 6, and the flow proportion of the two raw materials is always kept equal, thereby avoiding the quality of the mixed raw materials from being influenced by the change of the flow of the raw materials.
In the second embodiment, on the basis of the first embodiment, in order to drive the driving rod 24 to slide reciprocally, the present application further has an eccentric shaft 61 for positioning the eccentric wheel 6 fixedly penetrating through the surface of the eccentric wheel 6, the eccentric shaft 61 is located at the non-center of the eccentric wheel 6, the eccentric wheel 6 rotates with the eccentric shaft 61 as the rotation center, thereby realizing the eccentric rotation effect, the edges of the upper and lower sides of the eccentric wheel 6 are fixedly connected with an annular guide plate 62, one end of the driving rod 24 is provided with a avoiding groove 241 for clamping the eccentric wheel 6 and the annular guide plate 62, the upper and lower sides of the avoiding groove 241 are fixedly connected with a first lug 242 and a second lug 243, a gap is reserved between the first lug 242 and the second lug 243, and the second lug 243 and the first lug 242 are respectively located at the inner and outer sides of the annular guide plate 62, when the eccentric wheel 6 rotates continuously, the inner and outer sides of the annular guide plate 62 respectively squeeze the second lug 243 and the first lug 242, thereby driving the driving rod 24 to slide reciprocally, and further ensuring that the pump body of the present device can intermittently convey raw materials.
In the third embodiment, on the basis of the second embodiment, in order to protect the eccentric wheel 6 and the driving rod 24, the present application further has the bolt inserting cylinder 29 fixedly arranged on the surfaces of the upper casing 2 and the lower casing 3, the protecting casing 7 is sleeved outside the eccentric wheel 6, the protecting casing 7 is buckled on the side half of the pump body, the contact part between the protecting casing 7 and the upper casing 2 is made of a hard material which can be elastically deformed, such as an elastic metal plate, so as to avoid blocking during the clamping connection between the protecting casing 7 and the pump body, the surface of the protecting casing 7 is provided with a positioning hole 73 corresponding to the bolt inserting cylinder 29, the protecting casing 7 is fixedly connected with the pump body through a bolt, the protecting casing 7 is mainly used for protecting the eccentric wheel 6 and the driving rod 24, so as to avoid that a large amount of dust adheres to the surface of the driving rod 24 and causes the dust to slide back and forth along with the driving rod 24 into the inner cavity 22, the upper surface of the protecting casing 7 is downwards recessed to form a motor mounting groove 71, a driving motor 72 is mounted in the motor mounting groove 71, the lower end of the eccentric shaft 61 is rotationally connected with the protecting casing 7, so that the output end of the driving motor 72 movably penetrates through the motor mounting groove 71 and is fixedly connected with the upper end of the motor 61, and the eccentric shaft 61 is rotationally connected with the upper end of the motor 61, and the eccentric wheel 72 is controlled by the external power, and the driving device is controlled by the external power, and the rotation of the eccentric wheel 72 is controlled.
In the fourth embodiment, based on the third embodiment, in order to control the unidirectional flow of the raw material, the unidirectional valve assembly 5 of the present application includes a unidirectional valve body 51, as shown in fig. 6, a flow cavity 52 is formed inside the unidirectional valve body 51, a sealing baffle 54 adapted to the flow cavity 52 is slidably mounted in the cavity of the unidirectional valve body 52, a thrust spring 55 is fixedly connected to the lower end of the sealing baffle 54, a plurality of unidirectional flow grooves 56 distributed in an annular array are formed in the upper inner wall of the flow cavity 52, through grooves with an inner diameter smaller than that of the flow cavity 52 are formed in the upper inner wall of the flow cavity 52, the sealing baffle 54 covers the lower end opening of the through grooves from bottom to top, under the thrust of the thrust spring 55, the sealing baffle 54 is tightly attached to the upper inner wall of the flow cavity 52 under the thrust of the thrust spring 55, when the upper pressure of the sealing baffle 54 is greater than the lower pressure and the pressure difference exceeds the elastic force of the thrust spring 55, the sealing baffle 54 can slide downwards under the pressure, at this time, the upper side and lower sides of the sealing baffle 54 can be communicated by the unidirectional flow grooves 56, and the raw material can flow in the cavity 52 through the unidirectional flow grooves 56; on the contrary, when the sealing baffle 54 cannot slide down, the unidirectional flow grooves 56 cannot communicate the upper and lower sides of the sealing baffle 54, and at this time, the raw material cannot flow inside the unidirectional valve assembly 5, thereby realizing unidirectional flow of the raw material.
On the basis of the fifth embodiment, the check valve assembly 5 is further fixedly connected with a butt joint pipeline 58 at one end, far away from the pump body, of the check valve assembly 5, the butt joint pipeline 58 is communicated with the inner cavity of the flow cavity 52, a meter 59 is arranged above the pump body, the meter 59 is mounted on the middle of the butt joint pipeline 58 and is communicated with the middle of the butt joint pipeline 58, the butt joint pipeline 58 is used for conveying raw materials to the inner cavity of the flow cavity 52, the meter 59 only detects the conveying amount of the raw materials, workers can observe the raw materials conveniently in the form of meters or numbers, the meter 59 is an existing known technology, details are omitted here, a sealing gasket 57 is adhered to one end face, close to the pump body, of the check valve assembly 51, the check valve assembly 5 is integrally mounted inside the pump body, and the sealing gasket 57 is used for improving the sealing performance of the check valve assembly and avoiding raw material leakage.
Embodiment six, on the basis of embodiment five, in order to communicate flow chamber 52 with negative pressure chamber 22, this application still has the valve body mounting groove 4 that has all seted up with check valve subassembly 5 looks adaptation at the upper and lower both ends of the pump body, as shown in fig. 5, the setting of valve body mounting groove 4 is used for carrying out the installation location to check valve subassembly 5 whole, feed through hole 25 has been seted up to the inside wall of valve body mounting groove 4, feed through hole 25 and the inner chamber intercommunication of negative pressure chamber 22, butt joint hole 53 has been seted up at the inner wall middle part of flow chamber 52, butt joint hole 53 corresponds with feed through hole 25, combine fig. 5, fig. 6 and fig. 4 to know that check valve subassembly 5 is installed behind valve body mounting groove 4 inner chamber, butt joint hole 53 and feed through hole 25 correspond and communicate each other just, thereby realized flow chamber 52 and negative pressure chamber 22 intercommunication.
Embodiment seven, on the basis of embodiment six, in order to improve the stability after the installation of check valve subassembly 5, this application still has offered positioning groove 26 at the inner wall of valve body mounting groove 4, the fixed surface of check valve body 51 is provided with the arch that corresponds with positioning groove 26, protruding card advances positioning groove 26 inner chamber, pass through bolt fixed connection between check valve body 51 and the pump body, positioning groove 26 and the protruding mutually support on the check valve body 51, can avoid taking place horizontal slip and rotation after the installation of check valve subassembly 5, thereby improve the stability after the installation of check valve subassembly 5, and avoid the raw materials to take place to reveal between check valve subassembly 5 and the pump body.
Embodiment eight, on the basis of embodiment seven, in order to avoid the pump body to take place the raw materials and reveal, this application still has between two last casing 2 and two down all fixedly provided with connecting block 27 between the casing 3, the side of connecting block 27, go up the side of casing 2 and the side of casing 3 down all fixedly connected with connection boss 28, through bolt fixed connection between two connection bosses 28 of corresponding position, the terminal surface that goes up casing 2 and casing 3 each other splice all bonds and has the rubber layer, as shown in fig. 5 and 3, connection boss 28 is provided with a plurality of and distributes in a plurality of positions on the pump body surface, after last casing 2 and casing 3 splice down, fasten both through the bolt, the rubber pad between the two of re-mating can avoid the raw materials to take place to reveal between last casing 2 and casing 3 down.
According to the ninth embodiment, on the basis of the eighth embodiment, in order to improve the tightness between the surfaces of the transfer bin 21 and the driving rod 24, one end of the transfer bin 21 far away from the pump body is provided with a semicircular structure, one end inner wall of the transfer bin 21 is attached to the driving rod 24 and is adhered with an annular sealing ring, as shown in fig. 4, a pressure balance tube 211 is fixedly arranged between the two transfer bins 21, two ends of the pressure balance tube 211 are respectively communicated with inner cavities of two negative pressure cavities 22, and communication ports of the pressure balance tube 211 and the negative pressure cavities 22 are located on one side, far away from the one-way valve assembly 5, of the sealing piston 23, inner cavities of one ends of the two negative pressure cavities 22 are mutually communicated, the overall space volume of the two negative pressure cavities is increased, and when the sealing piston 23 slides, air at one end of the negative pressure cavity 22 can be compressed by a greater degree, so that air pressure resistance born by the sealing piston 23 slides is reduced, and because the two driving rods 24 are respectively located at two positions outside the eccentric wheel 6, the two driving rods 24 slide in a non-synchronous way, that the inner cavities of the two negative pressure cavities 22 are respectively communicated with each other.
In the tenth embodiment, on the basis of the ninth embodiment, in order to feed the device, the present application further has a first feeding pipe 8 and a second feeding pipe 9 disposed above the conjoined pump 1, the first feeding pipe 8 and the second feeding pipe 9 are respectively communicated and fixed with a butt joint pipe 58 disposed above two pump bodies, a mixing pipe 10 is disposed below the conjoined pump 1, the mixing pipe 10 is communicated and fixed with the butt joint pipe 58 disposed below the two pump bodies through a tee structure, the first feeding pipe 8 and the second feeding pipe 9 are respectively used for feeding polyester raw materials and flame retardant raw materials, the mixing pipe 10 mixes the two raw materials discharged in equal proportion and conveys the two raw materials to a mixer below (not shown in the figure), and the mixer is used for stirring and mixing the two raw materials to ensure the quality of the mixed raw materials.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A metering pump for polyester staple fiber processing is characterized in that: comprising the following steps:
the integrated pump (1), integrated pump (1) includes two mutual fixed connection's pump body, the pump body comprises last casing (2) and lower casing (3) concatenation each other, the outside fixedly connected with transfer feed bin (21) of pump body, two transfer feed bin (21) are the "V" font of symmetry each other, negative pressure chamber (22) that extend to the inside of pump body are seted up to the inside of transfer feed bin (21), sealed piston (23) of adaptation are installed to negative pressure chamber (22) inner chamber slidable, the fixed surface of sealed piston (23) is connected with actuating lever (24), and the one end of actuating lever (24) runs through transfer feed bin (21) and extends to the pump body outside;
the eccentric wheels (6) are arranged on the outer sides of the two pump bodies, and the eccentric wheels (6) are movably connected with one end of the driving rod (24) and drive the driving rod (24) to slide in a reciprocating manner;
the one-way valve assemblies (5) are arranged, the four one-way valve assemblies (5) are respectively arranged at the upper end and the lower end of the two pump bodies, and the inner cavity of each one-way valve assembly (5) is communicated with the negative pressure cavity (22);
the one-way valve assembly (5) comprises a one-way valve body (51), a flow cavity (52) is formed in the one-way valve body (51), a sealing baffle plate (54) matched with the flow cavity is slidably arranged in the flow cavity (52), a thrust spring (55) is fixedly connected to the lower end of the sealing baffle plate (54), a plurality of one-way flow grooves (56) distributed in an annular array are formed in the inner wall of the upper part of the flow cavity (52), through grooves with the inner diameter smaller than that of the flow cavity (52) are formed in the inner wall of the upper end of the flow cavity (52), and the sealing baffle plate (54) covers the lower end opening of the through grooves from bottom to top;
the upper end and the lower end of the pump body are respectively provided with a valve body mounting groove (4) which is matched with the one-way valve assembly (5), the inner side wall of the valve body mounting groove (4) is provided with a feeding through hole (25), the feeding through hole (25) is communicated with the inner cavity of the negative pressure cavity (22), the middle part of the inner wall of the flow cavity (52) is provided with a butt joint hole (53), and the butt joint hole (53) corresponds to the feeding through hole (25);
the eccentric wheel (6) is fixedly and penetratingly provided with an eccentric shaft (61) for positioning the eccentric wheel (6), the eccentric shaft (61) is positioned at a non-center position of the eccentric wheel (6), the edges of the upper side surface and the lower side surface of the eccentric wheel (6) are fixedly connected with annular guide plates (62), one end of a driving rod (24) is provided with an avoidance groove (241) for clamping the eccentric wheel (6) and the annular guide plates (62), the upper side surface and the lower side surface of the avoidance groove (241) are fixedly connected with a first lug (242) and a second lug (243), a gap is reserved between the first lug (242) and the second lug (243), and the second lug (243) and the first lug (242) are respectively positioned at the inner side and the outer side of the annular guide plates (62);
the novel centrifugal pump is characterized in that bolt inserting barrels (29) are fixedly arranged on the surfaces of the upper shell (2) and the lower shell (3), a protective shell (7) is sleeved on the outer side of the eccentric wheel (6), the protective shell (7) is buckled on the half side of the pump body, positioning holes (73) corresponding to the bolt inserting barrels (29) are formed in the surface of the protective shell (7), the protective shell (7) is fixedly connected with the pump body through bolts, a motor mounting groove (71) is formed in the upper surface of the protective shell (7) in a downward sinking mode, a driving motor (72) is mounted in the motor mounting groove (71), the lower end of the eccentric shaft (61) is connected with the protective shell (7) in a rotating mode, and the output end of the driving motor (72) movably penetrates through the bottom of the motor mounting groove (71) and is fixedly connected with the upper end of the eccentric shaft (61);
one end, far away from the pump body, of the one-way valve assembly (5) is fixedly connected with a butt joint pipeline (58), the butt joint pipeline (58) is communicated with the inner cavity of the flow cavity (52), a meter (59) is arranged above the pump body, the meter (59) is arranged in the middle of the butt joint pipeline (58) and is communicated with the middle, and one end face, close to the pump body, of the one-way valve body (51) is adhered with a sealing gasket (57);
a positioning groove (26) is formed in the inner wall of the valve body mounting groove (4), a protrusion corresponding to the positioning groove (26) is fixedly arranged on the surface of the one-way valve body (51), the protrusion is clamped into the inner cavity of the positioning groove (26), and the one-way valve body (51) is fixedly connected with the pump body through a bolt;
connecting blocks (27) are fixedly arranged between the two upper shells (2) and between the two lower shells (3), connecting bosses (28) are fixedly connected to the side surfaces of the connecting blocks (27), the side surfaces of the upper shells (2) and the side surfaces of the lower shells (3), the two connecting bosses (28) at corresponding positions are fixedly connected through bolts, and rubber layers are adhered to the end surfaces of the upper shells (2) and the lower shells (3) which are spliced with each other;
the one end setting that the pump body was kept away from to transfer feed bin (21) is semi-circular structure, the one end inner wall of transfer feed bin (21) is laminated and is bonded with actuating lever (24) has ring seal, two fixedly between transfer feed bin (21) be provided with pressure balance pipe (211), the inner chamber of two negative pressure chamber (22) is communicated respectively at the both ends of pressure balance pipe (211), and the intercommunication mouth of pressure balance pipe (211) and negative pressure chamber (22) is located one side that check valve subassembly (5) was kept away from to sealing piston (23).
2. The metering pump for processing polyester staple fibers according to claim 1, wherein: a first feeding pipe (8) and a second feeding pipe (9) are arranged above the conjoined pump (1), the first feeding pipe (8) and the second feeding pipe (9) are respectively communicated and fixed with a butt joint pipeline (58) positioned at the upper parts of the two pump bodies, the lower part of the conjoined pump (1) is provided with a mixing material pipe (10), and the mixing material pipe (10) is communicated and fixed with a butt joint pipeline (58) positioned at the lower parts of the two pump bodies through a tee joint structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410064852.0A CN117569992B (en) | 2024-01-17 | 2024-01-17 | Metering pump for polyester staple fiber processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410064852.0A CN117569992B (en) | 2024-01-17 | 2024-01-17 | Metering pump for polyester staple fiber processing |
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| Publication Number | Publication Date |
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| CN117569992A CN117569992A (en) | 2024-02-20 |
| CN117569992B true CN117569992B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202410064852.0A Active CN117569992B (en) | 2024-01-17 | 2024-01-17 | Metering pump for polyester staple fiber processing |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351691A (en) * | 1999-04-01 | 2002-05-29 | 彼得·罗伯特·拉法埃莱 | Reciprocating fluid machines |
| CN2673397Y (en) * | 2003-12-19 | 2005-01-26 | 暨南大学 | Precise metering proportioning pump |
| CN101644244A (en) * | 2009-08-18 | 2010-02-10 | 杭州大潮石化设备有限公司 | Pulseless metering pump |
| CN204877888U (en) * | 2015-07-28 | 2015-12-16 | 楼少琼 | Measuring pump is used in processing of dacron silk |
| CN210565003U (en) * | 2019-07-30 | 2020-05-19 | 天津利德众诚科技有限公司 | Straight-flow pump |
| CN214836919U (en) * | 2021-06-15 | 2021-11-23 | 深圳市福斯特智能装备有限公司 | Bidirectional plunger precision metering pump |
-
2024
- 2024-01-17 CN CN202410064852.0A patent/CN117569992B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351691A (en) * | 1999-04-01 | 2002-05-29 | 彼得·罗伯特·拉法埃莱 | Reciprocating fluid machines |
| CN2673397Y (en) * | 2003-12-19 | 2005-01-26 | 暨南大学 | Precise metering proportioning pump |
| CN101644244A (en) * | 2009-08-18 | 2010-02-10 | 杭州大潮石化设备有限公司 | Pulseless metering pump |
| CN204877888U (en) * | 2015-07-28 | 2015-12-16 | 楼少琼 | Measuring pump is used in processing of dacron silk |
| CN210565003U (en) * | 2019-07-30 | 2020-05-19 | 天津利德众诚科技有限公司 | Straight-flow pump |
| CN214836919U (en) * | 2021-06-15 | 2021-11-23 | 深圳市福斯特智能装备有限公司 | Bidirectional plunger precision metering pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117569992A (en) | 2024-02-20 |
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Denomination of invention: A metering pump for processing polyester staple fibers Granted publication date: 20240409 Pledgee: Bank of China Limited by Share Ltd. Yizheng branch Pledgor: Baozhichang Textile Technology Yangzhou Co.,Ltd. Registration number: Y2024980015354 |