CN112520420A - Discharging device and test tube remote conveying system - Google Patents
Discharging device and test tube remote conveying system Download PDFInfo
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- CN112520420A CN112520420A CN202011532879.6A CN202011532879A CN112520420A CN 112520420 A CN112520420 A CN 112520420A CN 202011532879 A CN202011532879 A CN 202011532879A CN 112520420 A CN112520420 A CN 112520420A
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- 238000007599 discharging Methods 0.000 title claims abstract description 99
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/02—Directly conveying the articles, e.g. slips, sheets, stockings, containers or workpieces, by flowing gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/08—Controlling or conditioning the operating medium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/18—Adaptations of pipes or tubes; Pipe or tube joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G51/00—Conveying articles through pipes or tubes by fluid flow or pressure; Conveying articles over a flat surface, e.g. the base of a trough, by jets located in the surface
- B65G51/04—Conveying the articles in carriers having a cross-section approximating that of the pipe or tube; Tube mail systems
- B65G51/20—Braking arrangements
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- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of test tube conveying equipment, in particular to a discharging device and a test tube remote conveying system. The discharging device comprises an upper switch part, a material receiving pipe, a lower switch part and a test tube detection element; the upper switch piece is arranged at the feed inlet of the material receiving pipe, and the lower switch piece is arranged at the discharge outlet of the material receiving pipe; go up the switch spare with down the switch spare all with test tube detecting element communication is connected, works as detecting element does not detect connect the intraductal test tube that has of material, go up the switch spare and open just down the switch spare is closed, works as detecting element detects connect the intraductal test tube that has of material, go up the switch spare and close just down the switch spare and open. The discharging device provided by the invention can feed and discharge the test tube while a test tube remote conveying system feeds and discharges, so that the discharging efficiency is improved.
Description
Technical Field
The invention relates to the technical field of test tube conveying equipment, in particular to a discharging device and a test tube remote conveying system.
Background
In existing hospitals and medical institutions at all levels, a process of submitting blood samples in test tubes to inspection basically exists after blood samples of patients are collected. Traditionally, test tubes are manually transported from a collection site to a testing site, specifically, medical staff collects patient blood into the test tubes, then collects a plurality of test tubes into a tray, and then manually walks the test tubes to a blood laboratory for laboratory analysis. For the current society that medical care manpower resources are short and the flow of patients is large, the test tube conveying method increases the working pressure of medical care personnel and has lower efficiency.
In order to alleviate medical resources shortage, improve test tube conveying efficiency, there is a test tube remote conveying system to utilize vacuum negative pressure to carry out remote transportation to the test tube now, this test tube remote conveying system includes feed arrangement, conveyor and receiving arrangement, medical personnel will be equipped with the test tube of disease blood and put into this system by feed arrangement in, the test tube moves to receiving arrangement in conveyor under vacuum airflow's effect, after a certain amount of test tube is collected in receiving arrangement, make whole test tube remote conveying system stop work, medical personnel take out the test tube in by receiving arrangement, then make test tube remote conveying system reruns once more, this kind of test tube remote conveying system discharging efficiency is not high.
Disclosure of Invention
The invention aims to provide a discharging device and a test tube remote conveying system, and solves the technical problem that the vacuum negative pressure test tube remote conveying system in the prior art is low in discharging efficiency to a certain extent.
The invention provides a discharging device, comprising: the test tube detection device comprises an upper switch piece, a material receiving pipe, a lower switch piece and a test tube detection element; the upper switch piece is arranged at the feed inlet of the material receiving pipe, the lower switch piece is arranged at the discharge outlet of the material receiving pipe, and the upper switch piece and the lower switch piece are both used for opening or closing the material receiving pipe; go up the switch spare with down the switch spare all with test tube detecting element communication is connected, works as detecting element does not detect connect the intraductal test tube that has of material, go up the switch spare and open just down the switch spare is closed, works as detecting element detects connect the intraductal test tube that has of material, go up the switch spare and close just down the switch spare and open.
Further, the test tube detection element is arranged outside the material receiving pipe.
Furthermore, be equipped with the window on the material receiving pipe, window department is equipped with the sealing member, the sealing member adopts transparent material.
Furthermore, the inner wall of the material receiving pipe is provided with an anti-collision piece.
Further, the upper switch member is a pneumatic ball valve, and/or the lower switch member is a pneumatic ball valve.
Furthermore, the discharging device also comprises a discharging pipe and a discharging chute; the discharging pipe is communicated with a discharging port of the material receiving pipe, the discharging chute is connected with one end, far away from the material receiving pipe, of the discharging pipe, and the discharging chute is obliquely arranged relative to the horizontal direction.
Further, the discharging chute comprises a front section chute and a rear section chute, one end of the front section chute is connected with one end of the discharging pipe, and the other end of the front section chute is connected with the rear section chute; the slope of anterior segment spout is greater than the slope of back end spout.
The invention provides a test tube remote conveying system, which comprises a controller, a feeding device, a conveying device, a vacuum pump and the discharging device, wherein the feeding device is arranged on the controller; the feeding device is communicated with the feeding end of the conveying device, and the discharging end of the conveying device is communicated with the discharging device; the vacuum pump is communicated with the discharge end of the conveying device and is positioned at the upstream of the discharge device; the vacuum pump and the discharging device are in communication connection with the controller.
Further, the conveying device comprises a conveying pipe and an air replenishing assembly, and the air replenishing assembly comprises a main channel and an air replenishing channel communicated with the main channel; one end of the main channel is communicated with the feeding device, and the other end of the main channel is communicated with the conveying pipe.
Further, the conveying device further comprises a speed reduction assembly, wherein the speed reduction assembly comprises an air inlet cylinder and an air inlet valve arranged on the air inlet cylinder; the air inlet cylinder is communicated with the conveying pipe, and the speed reduction assembly is positioned at the downstream of the vacuum pump and at the upstream of the discharging device.
The invention provides a discharging device, which comprises an upper switch part, a material receiving pipe, a lower switch part and a test tube detection element, wherein the upper switch part is arranged on the upper side of the lower switch part; the upper switch piece is arranged at the feed inlet of the material receiving pipe, and the lower switch piece is arranged at the discharge outlet of the material receiving pipe; go up the switch spare with down the switch spare all with test tube detecting element communication is connected, works as detecting element does not detect connect the intraductal test tube that has of material, go up the switch spare and open just down the switch spare is closed, works as detecting element detects connect the intraductal test tube that has of material, go up the switch spare and close just down the switch spare and open.
The discharging device provided by the invention is arranged at the terminal position of the test tube remote conveying system (namely, a test tube receiving point or a blood inspection point), so that the discharging device is connected to the tail end of the conveying device of the test tube remote conveying system, the starting end of the conveying device is provided with the feeding device, the feeding device can comprise a feeding hole, and a vacuum pump is used for extracting air in the test tube remote conveying system, so that vacuum airflow is generated in the test tube remote conveying system, suction is generated on the test tube, and power is provided for the test tube to move from the feeding hole to the discharging device; when the test tube remote conveying system works, a worker feeds test tubes one by one (or a group of test tubes connected with a group of test tubes through a feed tray or a feed rack, or binds the test tubes so as to form a whole, the test tubes are a group) into a feed port, the test tubes (or the group of test tubes) are indirectly sucked into the conveying device, then the test tube reaches the discharging device, at the moment, no test tube appears in the material receiving tube, the test tube detection element does not detect that the test tube is in the material receiving tube, the upper switch is in an open state, the lower switch is in a closed state, the test tube reaching the discharging device enters the material receiving tube through the upper switch, at the moment, the test tube detection element detects that the test tube is in the material receiving tube, the upper switch is closed, the lower switch is opened, and the test tube in the material receiving tube is discharged from the material receiving tube by the lower switch to finish discharging; after the current test tube was ejection of compact by lower switch spare, test tube detecting element did not detect the test tube in connecing the material pipe, then lower switch spare closed, and upper switch spare is opened, waits for next test tube (or a set of test tube down).
In ejection of compact in-process, when connecing the intraductal test tube that has, go up the switch spare and close, this test tube remote conveying system's inside does not communicate with outside atmosphere, can keep vacuum state in this test tube remote conveying system, the vacuum pump can provide power for the motion of test tube, the switch spare is opened down, the test tube is discharged by connecing the material pipe, this process has a little gas to get into the material pipe, test tube discharge back, the switch spare is closed immediately down, go up the switch spare and open, the vacuum pump can take the little air that gets into in the material pipe out, therefore, this test tube remote conveying system's inside still can keep vacuum state, avoid influencing the transport of other test tubes. The discharging device provided by the invention can discharge the test tubes one by one (or one group by one group) under the condition that the internal vacuum state of the test tube remote conveying system is not influenced, so that continuous discharging is realized, namely the discharging device provided by the invention can enable the test tube remote conveying system to feed and discharge materials at the same time, and the whole test tube remote conveying system is not required to be closed, then the test tubes are discharged, taken out and then opened, so that the test tube remote conveying system is not required to feed materials, the discharging efficiency is improved, and the test tube conveying efficiency is improved.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of illustration and description and are not necessarily restrictive of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the disclosure. Together, the description and drawings serve to explain the principles of the disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a discharging device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a discharging device according to another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a test tube remote conveying system according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a test tube remote conveying system according to another embodiment of the present invention;
FIG. 5 is a schematic view of the air supplement assembly of the test tube remote transport system shown in FIG. 4;
FIG. 6 is a schematic diagram of the deceleration assembly of the test tube remote transport system shown in FIG. 4.
Icon: 10-a feeding device; 20-a conveying device; 30-a vacuum pump; 40-a discharging device; 50-a controller; 21-a conveying pipe; 22-a gas supplementing component; 23-a speed reduction assembly; 41-upper switch member; 42-a receiving pipe; 43-lower switch; 44-a discharge pipe; 45-a discharge chute; 46-a cuvette detection element; 451-front section chute; 452-a rear section chute; 221-main flow-through duct; 222-a make-up gas conduit; 231-an air inlet cylinder; 232-an intake valve; 233-a filter element; 234-flow regulating valve; 235-connecting pipe; 236-diversion conduit.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
It should be noted that "feeding" in the embodiments of the present application refers to the test tube entering into the test tube remote conveying system, and "discharging" refers to the test tube completing conveying and being discharged by the test tube remote conveying system; both "upstream" and "downstream" are referenced in a direction from the infeed end (beginning) of the test tube remote transport system to the outfeed end (end) of the test tube remote transport system.
As shown in fig. 1 and 2, the present invention provides a discharging device 40, including: an upper switch 41, a material receiving pipe 42, a lower switch 43 and a test tube detection element 46; the upper switch piece is arranged at the feeding hole of the material receiving pipe 42, the lower switch piece is arranged at the discharging hole of the material receiving pipe 42, and the upper switch piece and the lower switch piece are both used for opening or closing the material receiving pipe; go up switch 41 and lower switch 43 and all be connected with test tube detecting element 46 communication, when detecting element does not detect to connect and have the test tube in the material pipe 42, go up switch 41 and open and lower switch 43 closes, when detecting element detects to connect and have the test tube in the material pipe 42, go up switch 41 and close and lower switch 43 opens.
The discharging device 40 provided by the embodiment is arranged at the terminal position of the test tube remote conveying system (namely, a test tube receiving point or a blood inspection point), so that the discharging device 40 is connected to the tail end of the conveying device 20 of the test tube remote conveying system, the feeding device 10 is arranged at the beginning end of the conveying device 20, the feeding device 10 can comprise a feeding hole, and the vacuum pump 30 extracts air in the test tube remote conveying system, so that vacuum airflow is generated in the test tube remote conveying system, suction force is generated on the test tube, and power is provided for the test tube to move from the feeding hole to the discharging device 40; when the test tube remote conveying system works, a worker connects test tubes one by one (or a group of test tubes connected by a feeding tray or a feeding rack, or binds the test tubes to form a whole, the test tubes are a group), the test tubes (or the group of test tubes) are fed into the feeding port, the test tubes (or the group of test tubes) are indirectly sucked into the conveying device 20 and then reach the discharging device 40, at this time, no test tube exists in the receiving tube 42, the test tube detecting element 46 does not detect that a test tube exists in the receiving tube 42, the upper switch 41 is in an open state, the lower switch 43 is in a closed state, the test tube reaching the discharging device 40 enters the receiving tube 42 from the upper switch 41, at this time, the test tube detecting element 46 detects that a test tube exists in the receiving tube 42, the upper switch 41 is closed, the lower switch 43 is opened (preferably, the lower switch 43 is opened after the upper switch 41 is closed, to prevent excessive gas from entering the system), the test tube in the material receiving tube 42 is discharged out of the material receiving tube 42 by the lower switch 43 to finish discharging; when the test tube is discharged from the lower switch 43, the test tube detecting element 46 does not detect a test tube in the receiving tube 42, the lower switch 43 is closed, the upper switch 41 is opened (preferably, after the lower switch 43 is closed, the upper switch 41 is opened again, so as to prevent excessive gas from entering the system), and the next test tube (or the next group of test tubes) is waited.
In the ejection of compact process, when there is the test tube in the material receiving pipe 42, go up switch 41 and close, this test tube remote conveying system's inside is not with outside atmosphere intercommunication, can keep vacuum state in this test tube remote conveying system, vacuum pump 30 can provide power for the motion of test tube, lower switch 43 is opened, the test tube is discharged by material receiving pipe 42, this process has a little gas to get into material receiving pipe 42, the test tube discharges the back, lower switch 43 closes immediately, go up switch 41 and reopen, vacuum pump 30 can take out the little air that gets into in material receiving pipe 42, therefore, this test tube remote conveying system's inside still can keep vacuum state, avoid influencing the transport of other test tubes. Discharging device 40 that this embodiment provided can be under the inside vacuum state that does not influence test tube remote conveying system, test tube one connects one (or a set of one set of) discharge discharging device 40, realize in succession constantly discharging, that is to say discharging device 40 that this embodiment provided can make test tube remote conveying system feed on one side, the ejection of compact on one side, need not to close whole test tube remote conveying system after will carrying out the ejection of compact again and taking out the test tube and open test tube remote conveying system again and carry out the feeding, thereby discharging efficiency is improved, test tube conveying efficiency is improved.
Optionally, test tube detecting element 46 sets up in the outside of material receiving pipe 42 (can fix at the test tube accepting point through support etc.), makes things convenient for setting up, installation or fixed of test tube detecting element 46, avoids setting up and produces the influence to the motion of test tube in material receiving pipe 42.
The test tube detecting element 46 may adopt an ultrasonic detector, and detects the test tube in the material receiving pipe 42 outside the material receiving pipe 42 by using an ultrasonic principle; alternatively, the test tube detecting element 46 may be an infrared detector, which detects the test tube in the material tube 42 by using the infrared detection principle.
On the basis of the above embodiment, further, a viewing window may be disposed on the material receiving tube 42, a sealing member is covered on the viewing window, the sealing member is made of a transparent material (e.g., glass or acrylic, etc.), and the viewing window disposed on the material receiving tube 42 may enable a worker to visually observe whether a test tube is present in the material receiving tube 42 and the state of the test tube, so as to know the working state of the test tube remote conveying system. The viewing windows can be arranged in directions; or the viewing window is semicircular or annular, at this moment, the test tube detection element 46 can adopt a photoelectric switch to indirectly detect the test tube according to the change of light rays at the viewing window when the test tube passes through the viewing window.
On the basis of the above-mentioned embodiments, the structural form of the upper switch member 41 and the structural form of the lower switch member 43 may be various, and for convenience of description, the upper switch member 41 and the lower switch member 43 are summarized as switch members, for example: the switch piece comprises an upper cover plate, a lower cover plate and a swing motor; the upper cover plate is provided with a through hole for the test tube to pass through, the lower cover plate is used for covering the through hole of the upper cover plate, and the swing motor is in transmission connection with the lower cover plate so as to drive the lower cover plate to swing to cover or open the through hole of the upper cover plate, and at the moment, a material guide device needs to be arranged at the upstream of the discharging device 40 so that the test tube can pass through the through hole of the upper cover plate smoothly; alternatively, the switch member is an electric valve or an electromagnetic valve
Optionally, the upper switch part 41 adopts a pneumatic ball valve, and the pneumatic ball valve has the advantages of quick response, sensitive reaction, good sealing performance and compact structure, so that the discharging device 40 has compact structure and small volume.
Optionally, the lower switch member 43 is a pneumatic ball valve, which has fast response, sensitive response, good sealing performance and compact structure, so as to further make the discharging device 40 compact and small in size.
On the basis of the above embodiment, the inner wall of the material receiving pipe 42 is provided with an anti-collision member, so that the situation that the test tube collides with the inner wall of the material receiving pipe 42 in the movement process is avoided.
The anti-collision piece can be a sponge layer or a foam layer arranged on the inner wall of the material receiving pipe 42. Optionally, the anticollision piece can be a plurality of archs, and a plurality of archs have certain length, not only can avoid the test tube to collide with the inner wall that connects material pipe 42, can also give the test tube guide, avoids the test tube slope, and soft materials such as rubber or silica gel can be adopted to bellied material.
As shown in fig. 2, in addition to the above embodiment, the discharging device 40 further includes a discharging pipe 44 and a discharging chute 45; the discharge pipe 44 is communicated with a discharge hole of the material receiving pipe 42, the discharge chute 45 is connected with one end, far away from the material receiving pipe 42, of the discharge pipe 44, and the discharge chute 45 is obliquely arranged relative to the horizontal direction.
In this embodiment, a receiving tray can be prevented at the end of the discharging chute 45 to collect the test tubes discharged by the discharging device 40. The test tube is by material receiving pipe 42 ejection of compact back, gets into discharging pipe 44, then gets into ejection of compact spout 45, and the slope of ejection of compact spout 45 sets up, then can slow down the falling speed of test tube to the impact force when avoiding the test tube to fall into the material receiving dish leads to the damage greatly.
The structure of the discharging chute 45 may be various, for example: the discharging chute 45 is arranged in a linear manner, or the discharging chute 45 is arranged in an arc manner, and can also be arranged in a turning slide manner.
Optionally, as shown in fig. 2, the discharging chute 45 includes a front chute 451 and a rear chute 452, one end of the front chute 451 is connected to one end of the discharging pipe 44, and the other end of the front chute 451 is connected to the rear chute; the slope of the front-stage slide groove 451 is greater than the slope of the rear-stage slide groove 452. In this embodiment, the slope of rear end spout is less than the slope of anterior segment spout 451, then after the test tube reached the rear end spout, the speed of test tube reduced once more, further provided the protection to the test tube.
As shown in fig. 3, the present invention provides a test tube remote transportation system, which comprises a controller 50, an input device 10, a transportation device 20, a vacuum pump 30 and the above-mentioned output device 40; the feeding device 10 is communicated with the feeding end of the conveying device 20, and the discharging end of the conveying device 20 is communicated with the discharging device 40; the vacuum pump 30 is communicated with the discharge end of the conveying device 20 and is positioned at the upstream of the discharge device 40; vacuum pump 30 and outfeed device 40 are both communicatively coupled to controller 50.
In the test tube remote conveying system provided by this embodiment, the feeding device 10 may include a feeding hole, and the vacuum pump 30 draws air in the test tube remote conveying system, so as to generate vacuum airflow in the test tube remote conveying system, generate suction force on the test tube, and provide power for the test tube to move from the feeding hole to the discharging device 40; when the test tube remote conveying system works, a worker sends test tubes into a feed inlet one by one, a plurality of test tubes are indirectly sucked into the conveying device 20 and then reach the discharging device 40, at the moment, no test tube exists in the material receiving tube 42, the test tube detecting element 46 does not detect that a test tube exists in the material receiving tube 42, the upper switch piece 41 is in an open state, the lower switch piece 43 is in a closed state, the test tube reaching the discharging device 40 enters the material receiving tube 42 from the upper switch piece 41, at the moment, the test tube detecting element 46 detects that a test tube exists in the material receiving tube 42, the upper switch piece 41 is closed, the lower switch piece 43 is opened (preferably, the lower switch piece 43 is opened again after the upper switch piece 41 is closed, excessive gas is prevented from entering the system), and the test tubes in the material receiving tube 42 are discharged from the material receiving tube 42 through the lower switch; when the test tube is discharged from the lower switch 43, the test tube detecting element 46 does not detect the test tube in the material receiving tube 42, the lower switch 43 is closed, the upper switch 41 is opened (preferably, after the lower switch 43 is closed, the upper switch 41 is opened again, so as to avoid the excessive gas from entering the system), and the next test tube is waited.
In ejection of compact process, when having the test tube in material receiving pipe 42, go up switch 41 and close, this test tube remote conveying system's inside is not with outside atmosphere intercommunication, can keep vacuum state in this test tube remote conveying system, vacuum pump 30 can provide power for the motion of test tube, lower switch 43 is opened, the test tube is discharged by material receiving pipe 42, this process has a little gas to get into material receiving pipe 42, the test tube discharges the back, lower switch 43 closes immediately, go up switch 41 and open, vacuum pump 30 can take out the little air that gets into material receiving pipe 42, consequently, this test tube remote conveying system's inside still can keep vacuum state, avoid influencing the transport of other test tubes. The test tube remote conveying system that this embodiment provided can be under the inside vacuum state that does not influence test tube remote conveying system, and discharge discharging device 40 of test tube one by one realizes the continuous ejection of compact in succession, realizes feeding on one side, ejection of compact on one side, need not to close whole test tube remote conveying system and will carry out the ejection of compact again and open test tube remote conveying system again after taking out the test tube and carry out the feeding, thereby improved discharging efficiency, improved test tube conveying efficiency.
As shown in fig. 4, on the basis of the above embodiment, further, the conveying device 20 includes a conveying pipe 21 and an air make-up assembly 22, and the air make-up assembly 22 includes a main flow passage 221 and a make-up gas passage 222 communicated with the main flow passage; one end of the main flow channel 221 is communicated with the feeding device 10 (specifically, may be communicated with the feeding hole of the feeding device), and the other end of the main flow channel 221 is communicated with the conveying pipe 21.
In this embodiment, since the test tubes are fed into the test tube remote conveying system one by one (or one group by one) from the feeding tube opening 10, the test tubes are denser at the feeding opening (or at the beginning of the conveying tube). After the test tube remote conveying system starts to work, the vacuum pump 60 starts to work, gas in the test tube remote conveying system is continuously pumped out, negative pressure vacuum airflow is formed in the test tube remote conveying system, the test tube continuously moves in the system under the action of the airflow and moves to the discharging device 40 from the feeding hole; on one hand, after the gas enters the main flow pipeline, the supplemented gas forms airflow and can push the test tube to move forwards; on the other hand, the vacuum pump 30 continuously pumps the supplemented gas out to form negative pressure vacuum airflow, so that the suction force to the test tube is increased; consequently, through supplementary income gas in air supplement unit 22 to the long-range conveying system of test tube, can increase test tube and carry power, avoid a plurality of test tubes to block up for the test tube is carried more smoothly.
Of course, the quantity of tonifying qi subassembly 22 can be a plurality ofly, and a plurality of tonifying qi subassemblies 22 are held to the discharge end direction interval by the transport of test tube remote conveying system and are set up to can realize tonifying qi in different positions to this system, with the increase power. .
Wherein, the supplementary gas pipe 222 can be one, two, three or four, etc.; when there are a plurality of the supplementary gas pipes 222, the supplementary gas pipes 222 may be provided at intervals in the circumferential direction of the main flow pipe 221, or may be provided at intervals in the longitudinal direction of the main flow pipe 221. As shown in fig. 4, based on the above embodiment, further, the delivery device 20 further includes a speed reducing assembly 23, and the speed reducing assembly 23 includes an intake tube 231 and an intake valve 232 disposed on the intake tube; the inlet 231 communicates with the delivery duct 21 and the deceleration assembly 23 is located downstream of the vacuum pump 30 and upstream of the outfeed device 40.
In this embodiment, after the test tube remote conveying system starts to work, the vacuum pump 60 sucks air in the test tube remote conveying system, so as to generate negative pressure vacuum airflow and suction force on the test tube; the staff member puts the test tubes one by one (or one group by one group) into the test tube remote conveying system from the feed inlet of the feeding device 10, and the test tubes move to the discharge end of the test tube remote conveying system under the action of the suction force; when the test tube is about to reach discharging device 40, the air inlet valve 232 of deceleration subassembly 23 is opened, external gas gets into air inlet tube 231, then get into the pipeline that is located discharging device 40's upper reaches by air inlet tube 231, vacuum pump 30 sucks the gas of newly coming in, then form the opposite air current of negative pressure vacuum air current with carrying the test tube in the pipeline between discharging device 40 and vacuum pump 30, thereby the negative pressure vacuum air current who carries the test tube to the effort of test tube has been reduced, and then the speed that makes the test tube reduces, carry out the deceleration to the test tube, can make the test tube get into discharging device 40 more stable, avoid the impact force to lead to the test tube damaged greatly.
Wherein, the air inlet valve 232 can adopt a pneumatic ball valve, and the air inlet valve 72 in the form has high sensitivity and quick response.
As shown in fig. 6, based on the above embodiment, further, the deceleration assembly 23 further includes a filter element 233, the filter element 233 is used for purifying the gas entering the inlet cylinder 231, and the filter element 233 is located outside the inlet cylinder 231 and fixed at the inlet end of the inlet cylinder 231. In this embodiment, set up filter core 231 in order to filter the gas that gets into in the admission section of thick bamboo 231, avoid getting into the gas in the admission section of thick bamboo 231 and contain impurity to avoid getting into the gas in the long-range conveying system of test tube and containing impurity, and then avoid impurity to cause the harm to the part.
The filter element 233 may be made of one or a combination of a plurality of materials selected from spun yarn polyester-coated filter materials, inlet PTFE-coated polyester nonwoven fabrics, coated antistatic nonwoven fabrics, long fiber filter papers, fiber composite materials, metal screens, chemical fiber nonwoven filter materials, synthetic fiber filter materials, glass fiber filter materials, activated carbon filter materials, inlet cotton fibers, and long fiber filter mats.
As shown in fig. 6, based on the above embodiment, further, the deceleration assembly 23 further comprises a flow regulating valve 234 to regulate the flow of gas into the gas inlet cylinder 231. In this embodiment, by setting the flow regulating valve 234, the gas flow entering the air inlet tube 231 can be regulated, so that the gas flow entering the system can be regulated, the speed reduction amount can be regulated, and the practicability and flexibility of the speed reduction assembly 23 are improved.
As shown in fig. 6, in addition to the above embodiment, the deceleration assembly 23 further includes a communication channel 235 and a guide conduit 236, and the extension direction of the communication channel 235 intersects with the extension direction of the guide conduit 236; one end of the communicating pipeline 235 is used for communicating with the conveying pipe 21 of the test tube remote conveying system, and the other end of the communicating pipeline 235 is used for communicating with the discharging device 40 of the test tube remote conveying system; one end of the guide duct 236 communicates with the communication pipe 235, and the other end of the guide duct 236 communicates with one end of the intake cylinder 231.
In this embodiment, the communicating pipe 235 is connected in series between the delivery pipe 21 and the discharging device 40, and the guiding conduit 236 realizes the communication between the communicating pipe 235 and the air inlet cylinder 231, so as to realize the communication between the air inlet cylinder 231 and the pipeline located at the upstream of the discharging device 40, and the structure is regular.
The conveying device can also comprise a diversion assembly, the diversion assembly is used for guiding the test tube, the diversion assembly is communicated between the conveying tube and the discharging device, the vacuum pump is communicated with the diversion assembly, the diversion assembly can comprise a diversion tube and a diversion trench arranged in the diversion tube, the diversion trench is in a conical arrangement, the diameter of one end, close to the conveying tube, of the diversion trench is larger than that of one end, far away from the conveying tube, of the diversion assembly, of other structures can be adopted.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description. Furthermore, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.
Claims (10)
1. A discharge device, comprising: the test tube detection device comprises an upper switch piece, a material receiving pipe, a lower switch piece and a test tube detection element; the upper switch piece is arranged at the feed inlet of the material receiving pipe, the lower switch piece is arranged at the discharge outlet of the material receiving pipe, and the upper switch piece and the lower switch piece are both used for opening or closing the material receiving pipe; go up the switch spare with down the switch spare all with test tube detecting element communication is connected, works as detecting element does not detect connect the intraductal test tube that has of material, go up the switch spare and open just down the switch spare is closed, works as detecting element detects connect the intraductal test tube that has of material, go up the switch spare and close just down the switch spare and open.
2. The discharging device according to claim 1, wherein the test tube detecting element is arranged outside the material receiving pipe.
3. The discharging device according to claim 1, wherein a viewing window is arranged on the material receiving pipe, a sealing member is arranged at the viewing window, and the sealing member is made of a transparent material.
4. The discharging device of claim 1, wherein the inner wall of the material receiving pipe is provided with an anti-collision member.
5. The discharge device according to claim 1, wherein the upper switch member is a pneumatic ball valve and/or the lower switch member is a pneumatic ball valve.
6. The tapping device according to any one of claims 1-5, wherein the tapping device further comprises a tapping pipe and a tapping chute; the discharging pipe is communicated with a discharging port of the material receiving pipe, the discharging chute is connected with one end, far away from the material receiving pipe, of the discharging pipe, and the discharging chute is obliquely arranged relative to the horizontal direction.
7. The discharging device according to claim 6, wherein the discharging chute comprises a front section chute and a rear section chute, one end of the front section chute is connected with one end of the discharging pipe, and the other end of the front section chute is connected with the rear section chute; the slope of anterior segment spout is greater than the slope of back end spout.
8. A test tube remote transport system comprising a controller, an infeed device, a transport device, a vacuum pump, and an outfeed device according to any one of claims 1-7; the feeding device is communicated with the feeding end of the conveying device, and the discharging end of the conveying device is communicated with the discharging device; the vacuum pump is communicated with the discharge end of the conveying device and is positioned at the upstream of the discharge device; the vacuum pump and the discharging device are in communication connection with the controller.
9. The test tube remote transport system according to claim 8, wherein the transport device comprises a transport tube and an air make-up assembly, the air make-up assembly comprising a main channel and an air make-up channel in communication with the main channel; one end of the main channel is communicated with the feeding device, and the other end of the main channel is communicated with the conveying pipe.
10. The test tube remote transport system according to claim 9, wherein the transport device further comprises a deceleration assembly comprising an air intake cylinder and an air intake valve disposed on the air intake cylinder; the air inlet cylinder is communicated with the conveying pipe, and the speed reduction assembly is positioned at the downstream of the vacuum pump and at the upstream of the discharging device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011532879.6A CN112520420A (en) | 2020-12-22 | 2020-12-22 | Discharging device and test tube remote conveying system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011532879.6A CN112520420A (en) | 2020-12-22 | 2020-12-22 | Discharging device and test tube remote conveying system |
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| CN202011532879.6A Pending CN112520420A (en) | 2020-12-22 | 2020-12-22 | Discharging device and test tube remote conveying system |
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| US4009912A (en) * | 1974-11-04 | 1977-03-01 | Joseph Mraz | Pneumatic conveying apparatus and method |
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| CN105236148A (en) * | 2015-11-05 | 2016-01-13 | 新兴河北工程技术有限公司 | Automatic tube blocking preventing device and material pipeline conveying system |
| CN214494886U (en) * | 2020-12-22 | 2021-10-26 | 上海琮祥机械设备有限公司 | Discharge device and test tube remote conveying system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE702008A (en) * | 1966-07-29 | 1968-01-02 | ||
| IL40689A0 (en) * | 1971-10-29 | 1972-12-29 | Mraz Res Center Ltd | Pneumatic conveying apparatus and method |
| US4009912A (en) * | 1974-11-04 | 1977-03-01 | Joseph Mraz | Pneumatic conveying apparatus and method |
| CN104271471A (en) * | 2012-05-03 | 2015-01-07 | 恩华特公司 | Method of controlling operation of a pneumatic conveying system |
| CN105236148A (en) * | 2015-11-05 | 2016-01-13 | 新兴河北工程技术有限公司 | Automatic tube blocking preventing device and material pipeline conveying system |
| CN214494886U (en) * | 2020-12-22 | 2021-10-26 | 上海琮祥机械设备有限公司 | Discharge device and test tube remote conveying system |
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