CN215794968U - Centralized liquid supply system - Google Patents

Abstract

The utility model discloses a centralized liquid supply system. The system comprises a rack, a material taking device, a bag opening device, a cover opening device and a liquid distribution device, wherein the material taking device is used for clamping a dry powder bag, the bag opening device comprises a cutter and a cutter driving part, the cutter driving part is connected to the cutter and used for driving the cutter to act so as to open a bag of the dry powder bag, the cover opening device comprises a cover opening connecting piece and a cover opening driving part, the cover opening connecting piece is connected with a barrel cover of a liquid distribution barrel of the liquid distribution device, the cover opening driving part is connected to the cover opening connecting piece and used for driving the cover opening connecting piece to act so as to drive the barrel cover to move, and the liquid distribution device comprises the liquid distribution barrel arranged on the rack and a liquid distribution pump connected with the liquid distribution barrel. The system can automatically open the bag and throw powder, thereby reducing the labor intensity and the working efficiency.

Description

Centralized liquid supply system

Technical Field

The utility model relates to the field of medical instruments, in particular to a centralized liquid supply system.

Background

The dialysate is a solution containing various ionic and non-ionic substances, has a certain osmotic pressure, is used for rectal dialysis, abdominal dialysis or extracorporeal dialysis, can remove in vivo metabolic waste (such as urea), remove in vivo toxic substances or excessive drugs, has the effects of regulating the water electrolyte balance of body fluid and the like, and is generally used for patients with renal failure or toxic substances.

Traditional feed liquor system has realized automatic joining in marriage the function of liquid and automatic confession liquid, has alleviateed partial manual work, still needs artifical manual external packing plastic bag of cutting, pours into the powder and joins in marriage in the liquid bucket, and work load is big, and the bag is opened to the dialysis powder moreover has sharp smell, and operational environment is poor. Therefore, in order to reduce the liquid distribution times, the traditional liquid supply system usually adopts a large-volume liquid distribution barrel which is large in volume and large in occupied area. According to relevant industry regulations, the prepared concentrated solution of the liquid supply system cannot be stored until the next day, so that the residual concentrated solution on the day is wasted, and workers need to arrive at a hospital for powder feeding work for several hours before treatment every day, so that the working time and the intensity are greatly increased.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a centralized liquid supply system. The centralized liquid supply system can automatically open the bag and throw the powder, reduce the labor intensity of operators and improve the working efficiency.

A centralized liquid supply system comprises a rack, and a material taking device, a bag opening device, a cover opening device and a liquid distribution device which are arranged on the rack, wherein the material taking device is used for clamping a dry powder bag to a preset position, the bag opening device comprises a cutter and a cutter driving part, the cutter driving part is connected to the cutter and used for driving the cutter to act so as to open a bag of the dry powder bag, the cover opening device comprises a cover opening connecting piece and a cover opening driving part, the cover opening connecting piece is connected with a cover of a liquid distribution barrel of the liquid distribution device, the cover opening driving part is connected to the cover opening connecting piece and used for driving the cover opening connecting piece to act so as to drive the cover to move, and the liquid distribution device comprises the liquid distribution barrel arranged on the rack and a liquid distribution pump connected with the liquid distribution barrel.

In one embodiment, the centralized liquid supply system further comprises a feeding device, the feeding device comprises a feeding middle layer plate, a feeding driving part and a feeding position detection part, the feeding driving part is connected to the feeding middle layer plate and used for driving the feeding middle layer plate to move in the vertical direction, and the feeding position detection part is mounted at the top of the feeding support and used for detecting whether a top layer dry powder bag on the feeding middle layer plate reaches a preset position.

In one embodiment, the feeding device further comprises a feeding top plate, a feeding bottom plate and feeding guide shafts, the feeding top plate and the feeding bottom plate are arranged oppositely, a plurality of feeding guide shafts are connected between the feeding top plate and the feeding bottom plate, and the feeding middle plate is sleeved on the feeding guide shafts and can slide along the feeding guide shafts.

In one embodiment, the feeding device further comprises a feeding limiting shaft, a plurality of feeding limiting shafts are connected between the feeding top plate and the feeding bottom plate, and a feeding interval for stacking the dry powder bags is defined by the plurality of feeding limiting shafts;

and/or the feeding device further comprises a feeding upper limit switch, a feeding upper baffle, a feeding lower limit switch and a feeding lower baffle, wherein the upper surface and the lower surface of the feeding middle layer plate are respectively connected with the feeding upper baffle and the feeding lower baffle, the feeding top layer plate is connected with the feeding upper limit switch, and the feeding bottom layer plate is connected with the feeding lower limit switch;

and/or, the feeding device further comprises a feeding screw rod assembly, the feeding screw rod assembly is arranged between the feeding top layer plate and the feeding bottom layer plate, the feeding middle layer plate is sleeved on a feeding screw rod of the feeding screw rod assembly and is in threaded connection with the feeding screw rod, and the feeding driving part is connected to the feeding screw rod to drive the feeding screw rod to rotate.

In one embodiment, the material taking device comprises a material clamping mechanism and a material taking driving component, the material clamping mechanism is movably connected to the rack, the material taking driving component is connected to the material clamping mechanism and used for driving the material clamping mechanism to move, the material clamping mechanism is used for clamping a dry powder bag to a preset position, the material taking device further comprises a material taking support and a material taking guide shaft, the material taking support is installed on the rack, the material taking guide shaft is connected to the material taking support, one end of the material taking guide shaft extends to the position of the material taking device, the other end of the material taking guide shaft extends to the position above the liquid dispensing barrel, and the material clamping mechanism is connected to the material taking guide shaft in a sliding mode.

In one embodiment, the material taking device further comprises a material taking detection component, a bag losing position detection component, a conveying baffle and a conveying connecting block, wherein the conveying connecting block is slidably connected to the material taking guide shaft, the conveying baffle is connected to the conveying connecting block, and the material taking detection component and the bag losing position detection component are respectively arranged at two end parts of the material taking guide shaft and are used for respectively detecting the position of the conveying baffle;

the material taking device further comprises a conveying lead screw assembly, the conveying lead screw assembly is arranged on the material taking support and extends along the material taking guide shaft, the conveying connecting block is sleeved with the material taking lead screw of the conveying lead screw assembly and is in threaded connection with the material taking lead screw, and the material taking driving part is connected with the material taking lead screw to drive the material taking lead screw to rotate.

In one embodiment, the unpacking device further comprises an unpacking bracket and an unpacking guide shaft, the unpacking bracket is mounted on the frame, the unpacking guide shaft is connected to the unpacking bracket, the cutter is slidably connected to the unpacking guide shaft, and the unpacking guide shaft is mounted on the frame and extends to the upper part of the liquid distribution barrel.

In one embodiment, the unpacking device further comprises an unpacking completion detection part, an unpacking reset detection part, a nylon baffle, an unpacking baffle and an unpacking nut connecting block, wherein the unpacking nut connecting block is slidably connected to the unpacking guide shaft, the unpacking baffle and the nylon baffle are both connected to the unpacking nut connecting block, the unpacking completion detection part and the unpacking reset detection part are respectively arranged at two end parts of the unpacking guide shaft, the unpacking completion detection part is used for detecting the position of the unpacking baffle, and the unpacking reset detection part is used for detecting the position of the nylon baffle;

the unpacking device further comprises an unpacking driving part and an unpacking screw rod assembly, the unpacking screw rod assembly is arranged on the unpacking support and along the unpacking guide shaft to extend, the unpacking nut connecting block sleeve is arranged on the unpacking screw rod of the unpacking screw rod assembly and is in threaded connection with the unpacking screw rod, and the unpacking driving part is connected with the unpacking screw rod to drive the unpacking screw rod to rotate.

In one embodiment, the unpacking device further comprises a barrel cover pressing block, a unpacking connecting block, an unpacking elastic member and a barrel cover compression detection component, the barrel cover pressing block is connected to the unpacking connecting block, the unpacking connecting block is slidably connected to the unpacking guide shaft, the unpacking elastic member is connected between the unpacking connecting block and the unpacking nut connecting block, the barrel cover compression detection component is connected to the unpacking connecting block, and the barrel cover compression detection component and the unpacking reset detection component are used for detecting the position of the nylon baffle.

In one embodiment, the uncovering device further comprises an uncovering support and an uncovering guide shaft, the uncovering support is mounted on the frame, and the uncovering guide shaft is connected to the uncovering support.

In one embodiment, the uncovering device further comprises an uncovering detection part, a cover closing detection part, a switch baffle and an uncovering connecting block, the uncovering connecting block is slidably connected to the uncovering guide shaft, the switch baffle is connected to the uncovering connecting block, the uncovering detection part and the cover closing detection part are respectively arranged at two end parts of the uncovering guide shaft, and the uncovering detection part and the cover closing detection part are respectively used for detecting the position of the switch baffle;

the uncovering device further comprises an uncovering lead screw assembly, the uncovering lead screw assembly is arranged on the uncovering support and extends along the uncovering guide shaft, the uncovering connecting block is sleeved with the uncovering lead screw of the uncovering lead screw assembly and is in threaded connection with the uncovering lead screw, and the uncovering driving part is connected with the uncovering lead screw to drive the uncovering lead screw to rotate.

In one embodiment, the centralized liquid supply system further comprises a liquid storage device, the liquid storage device comprises a liquid storage barrel and a liquid storage pump, and the liquid storage barrel is communicated with the liquid distribution barrel through the liquid storage pump.

In one embodiment, the clamping mechanism comprises a supporting base, a movable clamp, a fixed clamp, a clamping elastic member and a clamping driving member, wherein the fixed clamp is fixedly connected to the supporting base, the movable clamp is movably connected to the supporting base, the movable clamp and the fixed clamp are arranged at intervals, the clamping driving member is arranged on the supporting base and is connected to the movable clamp through the clamping elastic member, and the clamping driving member is used for driving the movable clamp to act so as to cooperate with the fixed clamp to clamp or release the dry powder bag.

Compared with the prior art, the utility model has the following beneficial effects:

(1) the automatic powder feeding device has the functions of automatic feeding, unpacking and powder feeding, and can effectively reduce the labor intensity of operators.

(2) The liquid preparation time can be reserved, the concentrated liquid can be prepared and stored for standby use before an operator goes to work, and the operator does not need to go to a liquid preparation chamber in advance for preparation.

(3) The concentrated solution can be used while being prepared, the freshness of the concentrated solution is kept, the waste caused by more preparation is avoided, and the situation of insufficient preparation is reduced.

(4) The liquid distribution barrel is compact in structure, the volumes of the liquid distribution barrel and the liquid storage barrel can be effectively reduced, and the occupied area is reduced.

(5) The automatic bag opening dry powder bag packaging can be realized, and the dialysis powder is directly put into the liquid preparation barrel after the bag is opened, so that the contact with other elements is reduced, and the possibility of pollution is reduced.

(6) The cutter can move smoothly and stably under the driving of the unpacking screw rod assembly, and can cut along the edge of the dry powder bag, so that the residue and waste of the dialysis powder in the dialysis bag are reduced.

Drawings

FIG. 1 is a schematic view of a centralized liquid supply system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a feeding device of the centralized liquid supply system shown in FIG. 1;

FIG. 3 is a schematic view of a material extracting apparatus of the centralized liquid supply system shown in FIG. 1;

FIG. 4 is a schematic view of a material clamping mechanism in the material extracting apparatus shown in FIG. 3;

FIG. 5 is a side view of the clamping mechanism shown in FIG. 4;

FIG. 6 is a schematic cross-sectional view of a view of the A-A surface of the clamping mechanism shown in FIG. 4;

FIG. 7 is a cross-sectional view of the material clamping mechanism shown in FIG. 4 from another view angle on the A-A side;

FIG. 8 is a schematic view of a unpacking device of the centralized liquid supply system shown in FIG. 1;

FIG. 9 is a schematic view of a cap opener of the centralized liquid supply system shown in FIG. 1.

Description of the reference numerals

10. A centralized liquid supply system; 100. a material taking device; 110. a material clamping mechanism; 1110. a support base; 1120. a movable clamp; 1121. a locking post; 1130. fixing the clamp; 1131. blind holes; 1140. a material clamping elastic piece; 1150. A material clamping driving part; 1160. a fixing member; 1161. a containing groove; 1170. a limiting member; 1180. a material clamping screw assembly; 1181. a material clamping screw rod; 1182. a material clamping screw nut; 11821. a nut block; 1183. a clamping nut connecting block; 11831. a connecting block stop block; 1190. a material clamping shielding baffle; 11100. a first position detecting member; 11101. a first emitting section; 11102. a first receiving section; 11103. a first interval; 11200. a second position detecting member; 11201. a second emitting section; 11202. a second receiving section; 11203. a second interval; 11300. a guide member; 120. a material taking driving component; 130. a material taking detection component; 140. a bag loss position detecting means; 150. a transfer baffle; 160. a transmission connecting block; 170. a transfer screw assembly; 180. a feed screw nut; 190. a transfer guide shaft; 1910. a delivery carriage; 1920. connecting a bracket; 200. a unpacking device; 210. a cutter; 220. a cutter driving part; 230. opening the bag bracket; 240. opening the bag guide shaft; 250. a unpacking completion detection part; 260. a unpacking reset detection component; 270. a nylon baffle plate; 280. opening the bag baffle; 290. a nut opening connecting block; 2100. unpacking the lead screw assembly; 2110. barrel cover pressing blocks; 2120. unpacking the connecting block; 2130. opening the elastic piece; 2140. a barrel cover compression detection component; 300. a cap opening device; 310. uncovering the connecting piece; 320. a lid opening drive part; 330. opening the cover of the bracket; 340. a lid opening guide shaft; 350. A lid opening detection section; 360. a cover closing detection part; 370. a switch baffle; 380. uncovering the connecting block; 390. Uncovering the lead screw assembly; 3100. uncovering the screw nut; 3110. a cover opening spring; 400. a liquid preparation device; 410. A liquid preparation barrel; 411. a barrel cover; 412. a barrel cover connector; 420. liquid dispensing pump; 430. a liquid preparation conductivity meter; 440. a liquid level detection part; 450. a water inlet proportional valve; 500. a frame; 510. a feed hopper; 520. A waste hopper; 530. a touch display screen; 600. a feeding device; 610. feeding the middle layer plate; 620. a feeding drive part; 630. a feed-to-position detecting section; 640. a feeding limiting shaft; 650. feeding a top layer plate; 660. Feeding the bottom plate; 670. a feeding guide shaft; 680. a feeding upper limit switch; 690. a feeding upper baffle plate; 6100. a feeding lower limit switch; 6110. a feeding lower baffle plate; 6120. a feeding lead screw assembly; 6130. feeding a screw rod nut; 6140. an upper limiting rubber pad; 6150. a lower limiting rubber pad; 710. the liquid storage is communicated; 720. a liquid storage pump; 730. a liquid storage conductivity meter; 740. a liquid level detection part; 800. a control device; 20. and (5) dry powder bags.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the description of the present invention, it should be understood that the terms used in the present invention are used in the description of the present invention, and it should be understood that the directions or positional relationships indicated by the terms "center", "upper", "lower", "bottom", "inner", "outer", etc. in the present invention are based on the directions 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 referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening elements, or they may be in communication within two elements, i.e., when an element is referred to as being "secured to" another element, it may be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1, an embodiment of the present invention provides a centralized liquid supply system 10.

A centralized liquid supply system 10 comprises a material taking device 100, a bag opening device 200, a cover opening device 300, a liquid distribution device 400, a control device 800 and a rack 500. The material taking device 100, the bag opening device 200, the cover opening device 300 and the liquid distribution device 400 are all arranged on the rack 500.

Referring to fig. 3, the material taking device 100 includes a material clamping mechanism 110 and a material taking driving component 120. The clamping mechanism 110 is movably connected to the frame 500, the material taking driving component 120 is connected to the clamping mechanism 110 for driving the clamping mechanism 110 to move, and the clamping mechanism 110 is used for clamping the dry powder bag 20. The material clamping mechanism 110 and the material taking driving component 120 are electrically connected to the control device 800 respectively.

Referring to fig. 8, the unpacking device 200 includes a cutter 210 and a cutter driving part 220. The cutter driving unit 220 is connected to the cutter 210 for driving the cutter 210 to open the dry powder bag 20. The cutter driving part 220 is electrically connected to the control device 800.

Referring to fig. 9, the door opening device 300 includes a door connector 310 and a door driving part 320. The cap-opening connector 310 is connected to a cap 411 of a dispensing barrel 410 of the dispensing apparatus 400. The lid opening driving member 320 is connected to the lid opening connector 310 for driving the lid opening connector 310 to move the lid 411. The lid opening driving part 320 is electrically connected to the control device 800.

Referring to fig. 1, the liquid dispensing apparatus 400 includes a liquid dispensing barrel 410 disposed on a frame 500 and a liquid dispensing pump 420 connected to the liquid dispensing barrel 410. The liquid dispensing pump 420 is electrically connected to the control device 800.

In one embodiment, referring to FIG. 2, the centralized liquid supply system 10 further includes a loading device 600. The feeding device 600 includes a feeding middle layer plate 610, a feeding driving part 620, and a feeding position detecting part 630. The feeding driving part 620 is connected to the feeding middle layer plate 610 for driving the feeding middle layer plate 610 to move in a vertical direction, and the feeding position detecting part 630 is installed at the top of the feeding bracket of the feeding device 600 for detecting whether the top layer dry powder bag 20 on the feeding middle layer plate 610 reaches a preset position. The feeding position detecting part 630 is electrically connected to the control device 800.

In one embodiment, referring to fig. 2, the feeding device 600 further includes a feeding top plate 650, a feeding bottom plate 660, and a feeding guide shaft 670. The feeding top plate 650 is arranged opposite to the feeding bottom plate 660. A plurality of feeding guide shafts 670 are connected between the feeding top plate 650 and the feeding bottom plate 660. The feeding middle layer plate 610 is sleeved on the feeding guide shafts 670 and can slide along the feeding guide shafts 670.

In one embodiment, the feeding device 600 further comprises a feeding limit shaft 640. A plurality of feeding limit shafts 640 are connected between the feeding top plate 650 and the feeding bottom plate 660. The plurality of feeding limiting shafts 640 form a feeding interval for stacking the dry powder bags 20.

In one embodiment, the feeding device 600 further includes a feeding upper limit switch 680, a feeding upper baffle 690, a feeding lower limit switch 6100, and a feeding lower baffle 6110. The upper surface and the lower surface of the feeding middle layer plate 610 are respectively connected with a feeding upper baffle 690 and a feeding lower baffle 6110. The material loading top plate 650 is connected with a material loading upper limit switch 680. The feeding bottom plate 660 is connected with a feeding lower limit switch 6100. The upper feeding limit switch 680 and the lower feeding limit switch 6100 are electrically connected to the control device 800, respectively.

In one embodiment, the loading device 600 further includes a loading bar assembly 6120. The feeding lead screw assembly 6120 is arranged between the feeding top layer plate 650 and the feeding bottom layer plate 660, and the feeding middle layer plate 610 is sleeved on the feeding lead screw of the feeding lead screw assembly 6120 and is in threaded connection with the feeding lead screw through a feeding lead screw nut 6130. The feeding driving part 620 is connected to the feeding screw rod for driving the feeding screw rod to rotate.

In one embodiment, the feeding device 600 further includes an upper limit cushion 6140 and a lower limit cushion 6150. The upper limiting cushion 6140 is connected to a surface of the upper laminate top plate 650 facing the upper laminate middle plate 610. The lower limiting cushion 6150 is connected to a surface of the lower top plate facing the upper middle plate 610.

In one embodiment, as shown in fig. 3, the material extracting apparatus 100 further includes a conveying support 1910 and a conveying guide shaft 190. A transport rack 1910 is mounted to the gantry 500. The delivery guide shaft 190 is connected to the delivery carriage 1910. One end of the transfer guide shaft 190 extends to the feeding device 600 and the other end extends to the upper part of the liquid distribution barrel 410. The clamping mechanism 110 is slidably connected to the transfer guide shaft 190.

In one embodiment, the material extracting apparatus 100 further includes a material extracting detecting part 130, a missing bag position detecting part 140, a conveying shutter 150, and a conveying connecting block 160. The transfer link block 160 is slidably coupled to the transfer guide shaft 190. The transfer flapper 150 is connected to the transfer connection block 160. The material taking detection part 130 and the bag missing position detection part 140 are respectively disposed at both end portions of the conveying guide shaft 190, and are used for respectively detecting the positions of the conveying shutter 150. The material taking detection part 130 and the bag losing position detection part 140 are respectively and electrically connected to the control device 800.

The reclaimer assembly 100 further includes a feed screw assembly 170. The transfer screw assembly 170 is disposed on the transfer carriage 1910 and extends along the transfer guide shaft 190. The conveying connecting block 160 is sleeved on the material taking screw rod of the conveying screw rod assembly 170 and is in threaded connection with the material taking screw rod. Get material drive component 120 and connect in getting the material lead screw in order to be used for the drive to get the material lead screw and rotate.

In one embodiment, the reclaimer device 100 further comprises a transport support 1910, a transport guide shaft 190, a transport lead screw nut 180, and an attachment support 1920, wherein the transport support 1910 is attached to the frame 500, the transport guide shaft is disposed on the transport support, and the transport lead screw nut 180 is rotatably attached to the transport lead screw assembly 170 and slidably attached to the transport guide shaft 190. The take-off drive assembly 120 is coupled to the conveyor screw assembly 170 for driving the conveyor screw assembly 170 in rotation. The support base 1110 of the clamping mechanism 110 is connected to the feed screw nut 180 via a connecting bracket 1920.

In one embodiment, please refer to fig. 8, the unpacking device 200 further includes a unpacking bracket 230 and an unpacking guide shaft 240. The unpacking bracket 230 is mounted to the rack 500. The unpacking guide shaft 240 is connected to the unpacking bracket 230. The cutter 210 is slidably connected to the unpacking guide shaft 240. The unpacking guide shaft 240 is mounted to the frame 500 and extends to above the dispensing barrel 410.

In one embodiment, the unpacking device 200 further comprises an unpacking completion detecting part 250, an unpacking resetting detecting part 260, a nylon baffle 270, an unpacking baffle 280 and an unpacking nut connecting block 290. The unpacking nut connecting block 290 is slidably connected to the unpacking guide shaft 240. Both the unpacking baffle 280 and the nylon baffle 270 are connected to the unpacking nut connecting block 290. The unpacking completion detecting means 250 and the unpacking return detecting means 260 are provided at both end portions of the unpacking guide shaft 240, respectively. The unpacking completion detecting part 250 is used for detecting the position of the unpacking baffle 280, and the unpacking resetting detecting part 260 is used for detecting the position of the nylon baffle 270. The unpacking completion detecting part 250 and the unpacking reset detecting part 260 are electrically connected to the control device 800, respectively.

The unpacking device 200 further comprises an unpacking driving part and an unpacking screw assembly 2100, the unpacking screw assembly 2100 is arranged on the unpacking bracket 230 and extends along the unpacking guide shaft 240, the unpacking nut connecting block 290 is sleeved on the unpacking screw rod of the unpacking screw assembly 2100 and is in threaded connection with the unpacking screw rod, and the unpacking driving part is connected to the unpacking screw rod to drive the unpacking screw rod to rotate.

In one embodiment, referring to fig. 8, the unpacking device 200 further includes a lid pressing block 2110, an unpacking connecting block 2120, an unpacking elastic member 2130, and a lid pressing detection part 2140. The barrel cover pressing block 2110 is connected to the unpacking connecting block 2120, the unpacking connecting block 2120 is slidably connected to the unpacking guide shaft 240, and an unpacking elastic piece 2130 is connected between the unpacking connecting block 2120 and the unpacking nut connecting block 290. The barrel cover compression detection component 2140 is connected to the unpacking connecting block 2120, and the nylon baffle 270 can be matched with the barrel cover compression detection component 2140 and the unpacking resetting detection component 260. The barrel cover compression detection component 2140 and the bag opening reset detection component 260 are respectively used for detecting the position of the nylon baffle 270. The barrel cover pressing detection part 2140 is electrically connected to the control device 800.

In one embodiment, as shown in fig. 9, the door opening device 300 further includes a door opening bracket 330 and a door opening guide shaft 340. The cover opening bracket 330 is installed at the frame 500, the cover opening guide shaft 340 is connected to the cover opening bracket 330, and the cover opening connection block 380 is slidably connected to the cover opening guide shaft 340.

In one embodiment, the door opening device 300 further includes an opening door detecting part 350, a closing door detecting part 360, a switch damper 370, and an opening door connecting block 380. The door attaching block 380 is slidably attached to the door guide shaft 340. The switch damper 370 is connected to the open cover connection block 380. The open-lid detecting member 350 and the closed-lid detecting member 360 are respectively provided at both end portions of the open-lid guide shaft 340. The open-cover detecting part 350 and the closed-cover detecting part 360 are used to detect the position of the switch flapper 370, respectively. The cover opening detection part 350 and the cover closing detection part 360 are respectively and electrically connected to the control device 800.

The cap opening device 300 further includes a cap opening lead screw assembly 390. The door feed screw assembly 390 is provided to the door bracket 330 and extends along the door guide shaft 340. The uncovering connecting block 380 is sleeved on an uncovering screw rod of the uncovering screw rod assembly 390 and is in threaded connection with the uncovering screw rod through an uncovering screw rod nut 3100. The lid opening driving part 320 is connected to the lid opening screw for driving the lid opening screw to rotate.

The uncovering device 300 further comprises an uncovering spring 3110, the uncovering connecting block 380 is movably connected with the barrel cover 411 through the barrel cover connecting head 412, and the uncovering spring 3110 is arranged between the uncovering connecting block 380 and the barrel cover connecting head 412.

In one embodiment, the liquid dispensing apparatus 400 further comprises a liquid dispensing conductivity meter 430 and a liquid dispensing level detection component 440. The liquid preparation conductivity meter 430 and the liquid preparation level detection part 440 are respectively connected to the liquid preparation barrel 410. The liquid preparation conductivity meter 430 and the liquid preparation level detection unit 440 are electrically connected to the control device 800, respectively.

In one embodiment, referring to fig. 1, a water inlet proportional valve 450 is disposed on a water inlet pipe connected to the liquid distribution barrel 410. The water inlet proportional valve 450 is electrically connected to the control device 800. The water inlet pipeline is used for being externally connected with a water source.

In one embodiment, the centralized liquid supply system 10 further includes a liquid storage device. The liquid storage device comprises a liquid storage barrel and a liquid storage pump 720, the liquid storage barrel is communicated with the liquid distribution barrel 410 through the liquid storage pump 720, and concentrated liquid in the liquid distribution barrel 410 can enter the liquid storage barrel to be stored. The liquid storage pump 720 is electrically connected to the control device 800.

In one embodiment, the reservoir further includes a reservoir conductivity meter 730 and a reservoir level detection component 740. The liquid conductivity meter 730 and the liquid level detection unit 740 are connected to the dispensing barrel 410. The liquid conductivity meter 730 and the liquid level detection unit 740 are electrically connected to the control device 800.

In one embodiment, referring to fig. 3-6, the clamping mechanism 110 includes a support base 1110, a movable clamp 1120, a fixed clamp 1130, a clamping elastic member 1140, and a clamping driving member 1150. The clamping driving part 1150 is electrically connected to the control device 800.

The fixing clamp 1130 is fixedly coupled to the support base 1110. The movable clamp 1120 is movably coupled to the support base 1110. The movable clamp 1120 and the stationary clamp 1130 are spaced apart. The material clamping driving member 1150 is disposed on the support base 1110. The clamping driving member 1150 is connected to the movable clamp 1120 through a clamping elastic member 1140. The clamp driving part 1150 is used to drive the movable clamp 1120 to act to cooperate with the fixed clamp 1130 to clamp or release the dry powder bag 20.

In one embodiment, the material clamping driving part 1150 may be a driving motor.

In one embodiment, as shown in fig. 6, the clamping mechanism 110 further includes a clamping screw assembly 1180. The clamping driving member 1150 is connected to the clamping elastic member 1140 via a clamping screw assembly 1180. The material clamping mechanism 110. The clamping driving component 1150 is connected with the clamping elastic component 1140 through a clamping lead screw component 1180, so that the movement stability of the movable clamp 1120 can be ensured.

In one embodiment, referring to fig. 6, the clamping screw assembly 1180 includes a clamping screw 1181, a clamping screw nut 1182, and a clamping nut connecting block 1183. A clamping screw 1181 is rotatably connected to the support base 1110. The clamping mechanism 110 further includes a fixing element 1160 and a limiting element 1170. The clamping screw nut 1182 is in threaded connection with the clamping screw 1181. The clamping screw 1181 is connected to the clamping driving member 1150. Clamping nut connecting block 1183 is fixedly connected to clamping screw nut 1182. The end of the clamping nut connecting block 1183 away from the clamping driving member 1150 is provided with a limiting member 1170 for limiting the fixing member 1160. The fixing member 1160 is sleeved on the clamping nut connecting block 1183 and can move relative to the clamping nut connecting block 1183. The fixing piece 1160 is connected with a movable clamp 1120, and a clamping elastic piece 1140 is arranged between the fixing piece 1160 and a clamping nut connecting block 1183.

In one embodiment, clip spring 1140 is a spring, and preferably clip spring 1140 is a linear cylindrical spring. The clamping elastic member 1140 is sleeved on the clamping nut connecting block 1183, one end of the clamping elastic member 1140 is abutted against the clamping screw rod 1181 nut, and the other end is abutted against the fixing member 1160.

In one embodiment, please refer to fig. 6, the clamping nut connecting block 1183 is a cylindrical structure, and the clamping nut connecting block 1183 is sleeved on the clamping screw nut 1182. The end part of one end of the clamping nut connecting block 1183 close to the clamping driving component 1150 protrudes towards an annular connecting block stopper 11831, after the clamping nut connecting block 1183 is sleeved with the clamping elastic piece 1140, one end of the clamping elastic piece 1140 is abutted against the connecting block stopper 11831, and the connecting block stopper 11831 is used for limiting the clamping elastic piece 1140. When the clamping driving component 1150 drives the clamping screw 1181 to rotate, the clamping nut connecting block 1183 can push and compress the clamping elastic component 1140.

Preferably, an end of the clamping screw nut 1182 near one end of the clamping driving member 1150 protrudes toward the nut stopper 11821 having a ring shape. The nut stopper 11821 is used for limiting the position of the clamping nut connecting block 1183 sleeved on the clamping screw nut 1182. In one embodiment, nut stop 11821 may be omitted when clamp nut connector block 1183 is fixedly attached to clamp screw nut 1182.

In one embodiment, referring to fig. 6, the fixing element 1160 has a receiving groove 1161 for receiving the elastic clamping element 1140. The bottom surface of the accommodation groove 1161 is provided with a through hole. The fixing member 1160 is sleeved with the clamping nut connecting block 1183 through the through hole, one end of the clamping elastic member 1140 is abutted to the connecting block stopper 11831, and the other end of the clamping elastic member 1140 extends into the accommodating groove 1161 and is abutted to the bottom surface of the accommodating groove 1161. In the reset state, the elastic clipping element 1140 is in a partially compressed state, and at this time, a portion of the elastic clipping element 1140 is located in the accommodating groove 1161, and another portion thereof is exposed outside the accommodating groove 1161.

In one embodiment, referring to fig. 4 and 7, the material clamping mechanism 110 further includes a material clamping shielding plate 1190 and a first position detecting component 11100. The first position detecting part 11100 is electrically connected to the control device 800. Clamping shielding baffle 1190 is connected to clamping screw nut 1182 or clamping nut connecting block 1183. The first position detecting member 11100 is attached to the fixing member 1160. The first position detecting part 11100 is used to detect the position of the material-clamping shielding plate 1190. When the clamping shielding plate 1190 contacts or approaches the first position detecting member 11100, indicating that the clamping driving member 1150 drives the clamping screw nut 1182 to reach the limit position, the clamping driving member 1150 may stop working. For example, in one embodiment, the first position detecting component 11100 can be a first detecting component. For example, in another embodiment, the first position detecting part 11100 may also be a first proximity switch.

Referring to fig. 5, when the first position detection part 11100 is a first detection part, the first position detection part 11100 includes a first transmitting part 11101 and a first receiving part 11102. The first transmitting portion 11101 and the first receiving portion 11102 are electrically connected to the control device 800 respectively. First emitting portion 11101 and first receiving portion 11102 are disposed opposite to each other, a first space 11103 is provided between first emitting portion 11101 and first receiving portion 11102, when material-clamping shielding plate 1190 moves to first space 11103, material-clamping shielding plate 1190 shields light emitted from first emitting portion 11101, and first emitting portion 11101 and first receiving portion 11102 are disconnected. When the first emitting part 11101 and the first receiving part 11102 are disconnected, the clamping driving member 1150 drives the clamping screw nut 1182 to move to a preset position, at this time, the clamping elastic member 1140 is compressed, and the clamping elastic member 1140 presses the fixing member 1160 through the elastic restoring force to firmly clamp the dry powder bag 20 by the movable clamp 1120 and the fixing clamp 1130.

In one embodiment, referring to fig. 4 and 7, the clamping mechanism 110 further includes a second position detecting component 11200. The second position detecting part 11200 is electrically connected to the control device 800. The second position detecting member 11200 is connected to the support base 1110 and is close to the material clamping driving member 1150. The first position detecting member 11100 is disposed opposite to the second position detecting member 11200. The second position detecting part 11200 is used for detecting the position of the material clamping shielding plate 1190. When the clamping shielding plate 1190 contacts or approaches the second position detecting element 11200, indicating that the clamping driving element 1150 drives the clamping lead screw nut 1182 to the reset position, the clamping driving element 1150 may stop working. For example, the second position detecting part 11200 may be a second detecting part. For example, in another embodiment, the second position detecting component 11200 may also be a second proximity switch.

Referring to fig. 5, when the second position detecting part 11200 is a second detecting part, the second position detecting part 11200 includes a second emitting portion 11201 and a second receiving portion 11202, the second emitting portion 11201 and the second receiving portion 11202 are disposed opposite to each other, a second interval 11203 is provided between the second emitting portion 11201 and the second receiving portion 11202, when the material blocking baffle 1190 moves to the second interval 11203, the material blocking baffle 1190 blocks light emitted from the second emitting portion 11201, and the second emitting portion 11201 and the second receiving portion 11202 are disconnected. When the second emitting portion 11201 and the second receiving portion 11202 are disconnected, the clamping driving member 1150 drives the clamping screw nut 1182 to the reset position, at this time, the clamping elastic member 1140 is released, and the movable clamp 1120 and the fixed clamp 1130 release the dry powder bag 20.

The material clamping mechanism 110 can detect the maximum position at which the movable clamp 1120 is driven by the material clamping driving member 1150 by providing the material clamping shielding baffle 1190 and the first position detecting member 11100. When the clamping driving component 1150 drives the movable fixture 1120 to move to cooperate with the fixed fixture 1130 to clamp the dry powder bag 20, the clamping driving component 1150 continues to drive the clamping screw rod assembly 1180 to rotate, the rotation of the clamping screw rod assembly 1180 continues to drive the clamping screw nut 1182 to move, at this time, the clamping screw nut 1182 and the clamping nut connecting block 1183 extrude the clamping elastic component 1140 to increase the clamping force between the movable fixture 1120 and the fixed fixture 1130, so that the dry powder bag 20 is placed to fall off, and when the clamping shielding baffle 1190 on the clamping screw nut 1182 or the clamping nut connecting block 1183 moves to the first position detection component 11100, the clamping driving component 1150 stops driving. When the dry powder bag 20 needs to be released, the clamping driving component 1150 reversely drives the clamping screw rod assembly 1180 to rotate, the movable clamp 1120 is far away from the fixed clamp 1130, when the clamping screw rod nut 1182 or the clamping nut connecting block 1183 on the clamping screw rod assembly 1190 moves to the second position detection component 11200, the movable clamp 1120 is reset, and the clamping driving component 1150 stops driving.

In one embodiment, the stop 1170 is a snap spring. The clamp spring is sleeved on the end portion of the clamping nut connecting block 1183 close to the fixing clamp 1130 to limit the fixing piece 1160.

In one embodiment, please refer to fig. 4, the material clamping mechanism 110 further includes a locking post 1121. The locking post 1121 is connected to one side of the movable clamp 1120 facing the fixed clamp 1130, and one side of the fixed clamp 1130 facing the movable clamp 1120 is provided with a blind hole 1131 capable of being embedded and matched with the locking post 1121. The material clamping mechanism 110 realizes occlusion clamping of the dry powder bag 20 by arranging the locking columns 1121 and the blind holes 1131, when the locking columns 1121 move towards the blind holes 1131, the locking columns 1121 extrude part of the dry powder bag 20 into the blind holes 1131, and the effectiveness of the movable clamp 1120 and the fixed clamp 1130 for clamping the dry powder bag 20 is greatly improved.

In one embodiment, referring to fig. 4, the supporting base 1110 is a frame structure, wherein two ends of the material-clamping screw 1181 of the material-clamping screw assembly 1180 are respectively rotatably connected to one pair of opposite supporting arms of the supporting base 1110, and the fixed clamp 1130 and the movable clamp 1120 are protruded from the supporting base 1110 to clamp the dry powder bag 20.

In one embodiment, referring to fig. 4, the clamping mechanism 110 further includes a guide 11300, the guide 11300 is connected to one pair of opposite supporting arms of the supporting base 1110, the guide 11300 is parallel to the clamping screw 1181, and the fixing element 1160 is sleeved on the guide 11300. The number of the guide 11300 may be plural. For example, the number of guides 11300 is two, three, etc. Guide 11300 can be a guide bar.

The clamping mechanism 110 has a simple structure and a large clamping force. When the material clamping mechanism 110 of the present invention is used, the material clamping driving part 1150 drives the movable clamp 1120 to move toward the fixed part 1160, the movable clamp 1120 and the fixed clamp 1130 clamp the dry powder bag 20, and because the material clamping elastic part 1140 is arranged between the material clamping driving part 1150 and the movable clamp 1120, the material clamping elastic part 1140 can ensure that sufficient extrusion force is provided between the movable clamp 1120 and the fixed clamp 1130 to ensure that the dry powder bag 20 is clamped.

In one embodiment, the frame 500 is further provided with a feed hopper 510 and a waste hopper 520; the feeding hopper 510 is disposed between the feeding device 600 and the material taking device 100, and the feeding hopper 510 is inclined toward the material taking device 100. One end of the waste hopper 520 is close to the unpacking mechanism and the other end extends toward the outside of the rack 500.

In one embodiment, a touch screen 530 is further disposed on the rack 500.

In one embodiment, the detection components may be photoelectric switches.

When in use, the centralized liquid supply system 10 of the utility model comprises the following steps:

referring to fig. 1, a plurality of dry powder bags 20 are stacked on a top medium laminate 610.

The control device 800 controls the water inlet proportional valve 450 and the liquid dispensing pump 420 to be opened, and water is added into the liquid dispensing barrel 410 through the water inlet pipeline. After the liquid level detection part 440 detects that the liquid level reaches a certain position, the opening of the water inlet proportional valve 450 is reduced, the water inlet flow rate is reduced, the excessive water addition is prevented, and when the liquid level detection part 440 detects that the liquid level reaches a preset position, the control device 800 controls the water inlet proportional valve 450 and the liquid dispensing pump 420 to be closed.

The control device 800 controls the feeding driving part 620 to drive the feeding middle layer plate 610 to move upwards, and when the feeding in-place detecting part 630 detects the top layer dry powder bag 20, the control device 800 controls the feeding driving part 620 to stop driving. When the upper feeding limit switch 680 detects the upper feeding baffle 690, it indicates that there is no dry powder bag 20 on the middle feeding plate 610, at this time, the feeding driving part 620 drives the middle feeding plate 610 to move down and reset, and when the lower feeding limit switch 6100 detects the lower feeding baffle 6110, it indicates that the middle feeding plate 610 has reset.

The control device 800 controls the material taking driving component 120 to drive the conveying screw assembly 170 to rotate so as to drive the material clamping mechanism 110 on the conveying connecting block 160 to move to the top layer dry powder bag 20, when the material taking detecting component 130 detects the conveying baffle 150, which indicates that the material clamping mechanism 110 has been moved to the feeding device 600, the control device 800 controls the material clamping mechanism 110 to clamp the dry powder bag 20, and the control device 800 controls the material taking driving component 120 to drive the conveying screw assembly 170 to rotate reversely so as to drive the dry powder bag 20 to move to the unpacking device 200 along the feeding hopper 510.

The control device 800 controls the uncovering driving component 320 to drive the uncovering lead screw component 390 to rotate so as to drive the uncovering connecting block 380 and the barrel cover 411 to move, when the uncovering detecting component 350 detects the position of the switch baffle 370, the barrel cover 411 is completely opened, after the material feeding is completed, the control device 800 controls the uncovering driving component 320 to drive the uncovering lead screw component 390 to reversely rotate so as to close the liquid dispensing barrel 410, and when the cover closing detecting component 360 detects the position of the switch baffle 370, the barrel cover 411 is closed.

The control device 800 controls the unpacking driving part to drive the unpacking screw assembly 2100 to rotate so as to drive the cutter 210 to move to cut the dry powder bag 20, and when the unpacking completion detecting part 250 detects the position of the unpacking baffle 280, the unpacking is completed. The unpacking driving part drives the unpacking screw assembly 2100 to rotate reversely, and when the unpacking resetting detection part 260 is used for detecting the position of the nylon baffle 270, the cutting knife 210 is reset.

The control device 800 controls the unpacking driving part to be started again, when the cover pressing block 2110 presses the cover connecting head 412 on the unpacking connecting block 380, the cover pressing block 2110 and the unpacking connecting block 2120 cannot move forward any more, the unpacking nut connecting block 290 continues to approach the unpacking connecting block 2120 under the driving of the unpacking screw assembly 2100, and when the nylon baffle 270 blocks the cover pressing detecting part 2140, the cover 411 of the liquid dispensing barrel 410 is pressed in place.

After the unpacking is completed, the control device 800 controls the material taking driving part 120 to drive the material clamping mechanism 110 to shake. The control device 800 controls the material taking driving part 120 to drive the conveying screw assembly 170 to continue to rotate reversely, when the bag losing position detecting part 140 detects the conveying baffle 150, which indicates that the clamping mechanism 110 has been transported to the waste bin 520, the control device 800 controls the clamping mechanism 110 to release the waste bag to the waste bin 520.

The control device 800 controls the dispensing pump 420 to always stir the water and the dialysis powder in the dispensing barrel 410, so that the dialysis powder is quickly dissolved in the water to become a concentrated solution. When the stirring time is up, a liquid preparation conductivity meter in the liquid preparation barrel 410 detects whether the conductivity of the concentrated liquid in the barrel meets the set conductivity value, if so, the concentrated liquid is transmitted to the liquid storage barrel to wait for use, and then the liquid preparation is completed for one time, and the system restarts the next liquid preparation procedure.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The centralized liquid supply system is characterized by comprising a rack, a material taking device, a bag opening device, a cover opening device and a liquid distribution device, wherein the material taking device, the bag opening device, the cover opening device and the liquid distribution device are arranged on the rack, the material taking device is used for clamping a dry powder bag to a preset position, the bag opening device comprises a cutter and a cutter driving part, the cutter driving part is connected to the cutter and used for driving the cutter to move so as to open a bag of the dry powder bag, the cover opening device comprises a cover opening connecting piece and a cover opening driving part, the cover opening connecting piece is connected with a cover of a liquid distribution barrel of the liquid distribution device, the cover opening driving part is connected to the cover opening connecting piece and used for driving the cover opening connecting piece to move so as to drive the cover to move, and the liquid distribution device comprises the liquid distribution barrel arranged on the rack and a liquid distribution pump connected with the liquid distribution barrel.

2. The centralized liquid supply system of claim 1, further comprising a feeding device, wherein the feeding device comprises a feeding middle layer plate, a feeding driving component and a feeding position detection component, the feeding driving component is connected to the feeding middle layer plate and used for driving the feeding middle layer plate to move in the vertical direction, and the feeding position detection component is mounted at the top of the feeding support and used for detecting whether the top layer dry powder bag on the feeding middle layer plate reaches a preset position.

3. The centralized liquid supply system of claim 2, wherein the feeding device further comprises a top feeding plate, a bottom feeding plate and a feeding guide shaft, the top feeding plate is disposed opposite to the bottom feeding plate, a plurality of feeding guide shafts are connected between the top feeding plate and the bottom feeding plate, and the middle feeding plate is sleeved on the plurality of feeding guide shafts and can slide along the feeding guide shafts.

4. The centralized liquid supply system of claim 3, wherein the feeding device further comprises a feeding limiting shaft, a plurality of feeding limiting shafts are connected between the feeding top plate and the feeding bottom plate, and a feeding interval for stacking dry powder bags is defined by the plurality of feeding limiting shafts;

and/or the feeding device further comprises a feeding upper limit switch, a feeding upper baffle, a feeding lower limit switch and a feeding lower baffle, wherein the upper surface and the lower surface of the feeding middle layer plate are respectively connected with the feeding upper baffle and the feeding lower baffle, the feeding top layer plate is connected with the feeding upper limit switch, and the feeding bottom layer plate is connected with the feeding lower limit switch;

and/or, the feeding device further comprises a feeding screw rod assembly, the feeding screw rod assembly is arranged between the feeding top layer plate and the feeding bottom layer plate, the feeding middle layer plate is sleeved on a feeding screw rod of the feeding screw rod assembly and is in threaded connection with the feeding screw rod, and the feeding driving part is connected to the feeding screw rod to drive the feeding screw rod to rotate.

5. The centralized liquid supply system of any one of claims 1 to 4, wherein the material taking device comprises a material clamping mechanism and a material taking driving component, the material clamping mechanism is movably connected to the frame, the material taking driving component is connected to the material clamping mechanism and used for driving the material clamping mechanism to move, and the material clamping mechanism is used for clamping the dry powder bag to a preset position; the material taking device further comprises a material taking bracket and a material taking guide shaft, the material taking bracket is mounted on the rack, the material taking guide shaft is connected to the material taking bracket, one end of the material taking guide shaft extends to the material taking device, the other end of the material taking guide shaft extends to the upper part of the liquid preparation barrel, and the material clamping mechanism is connected to the material taking guide shaft in a sliding manner;

and/or, the unpacking device further comprises an unpacking support and an unpacking guide shaft, the unpacking support is installed on the frame, the unpacking guide shaft is connected to the unpacking support, the cutter is connected to the unpacking guide shaft in a sliding mode, and the unpacking guide shaft is installed on the frame and extends to the upper side of the liquid distribution barrel.

6. The centralized liquid supply system of claim 5, wherein the material taking device further comprises a material taking detection component, a bag losing position detection component, a conveying baffle and a conveying connecting block, the conveying connecting block is slidably connected to the material taking guide shaft, the conveying baffle is connected to the conveying connecting block, and the material taking detection component and the bag losing position detection component are respectively arranged at two end parts of the material taking guide shaft and are used for respectively detecting the position of the conveying baffle;

the material taking device further comprises a conveying lead screw assembly, the conveying lead screw assembly is arranged on the material taking support and extends along the material taking guide shaft, the conveying connecting block is sleeved with the material taking lead screw of the conveying lead screw assembly and is in threaded connection with the material taking lead screw, and the material taking driving part is connected with the material taking lead screw to drive the material taking lead screw to rotate.

7. The centralized liquid supply system according to claim 5, wherein the unpacking device further comprises an unpacking completion detection part, an unpacking reset detection part, a nylon baffle, an unpacking baffle and an unpacking nut connecting block, wherein the unpacking nut connecting block is slidably connected to the unpacking guide shaft, the unpacking baffle and the nylon baffle are both connected to the unpacking nut connecting block, the unpacking completion detection part and the unpacking reset detection part are respectively arranged at two end parts of the unpacking guide shaft, the unpacking completion detection part is used for detecting the position of the unpacking baffle, and the unpacking reset detection part is used for detecting the position of the nylon baffle;

the unpacking device further comprises an unpacking driving part and an unpacking screw rod assembly, the unpacking screw rod assembly is arranged on the unpacking support and along the unpacking guide shaft to extend, the unpacking nut connecting block sleeve is arranged on the unpacking screw rod of the unpacking screw rod assembly and is in threaded connection with the unpacking screw rod, and the unpacking driving part is connected with the unpacking screw rod to drive the unpacking screw rod to rotate.

8. The centralized liquid supply system according to claim 7, wherein the unpacking device further comprises a barrel cover pressing block, a unpacking connecting block, an unpacking elastic member and a barrel cover pressing detection component, the barrel cover pressing block is connected to the unpacking connecting block, the unpacking connecting block is slidably connected to the unpacking guide shaft, the unpacking elastic member is connected between the unpacking connecting block and the unpacking nut connecting block, the barrel cover pressing detection component is connected to the unpacking connecting block, and the barrel cover pressing detection component and the unpacking resetting detection component are used for detecting the position of the nylon baffle.

9. The centralized liquid supply system of claim 5, wherein the lid release device further comprises a lid release bracket mounted to the frame and a lid release guide shaft coupled to the lid release bracket;

and/or the centralized liquid supply system further comprises a liquid storage device, the liquid storage device comprises a liquid storage barrel and a liquid storage pump, and the liquid storage barrel is communicated with the liquid distribution barrel through the liquid storage pump;

and/or, press from both sides material mechanism including supporting pedestal, movable clamp, mounting fixture, pressing from both sides material elastic component and pressing from both sides material drive disk assembly, mounting fixture fixed connection in supporting pedestal, movable clamp swing joint in supporting pedestal, movable clamp with the mounting fixture interval sets up, press from both sides material drive disk assembly set up in supporting pedestal and through press from both sides the material elastic component connect in movable clamp, press from both sides material drive disk assembly and be used for the drive movable clamp action with mounting fixture cooperation comes the centre gripping or releases the dry powder bag.

10. The centralized liquid supply system of claim 9, wherein the cap opening device further comprises a cap opening detection part, a cap closing detection part, a switch baffle and a cap opening connection block, the cap opening connection block is slidably connected to the cap opening guide shaft, the switch baffle is connected to the cap opening connection block, the cap opening detection part and the cap closing detection part are respectively arranged at two end parts of the cap opening guide shaft, and the cap opening detection part and the cap closing detection part are respectively used for detecting the position of the switch baffle;

the uncovering device further comprises an uncovering lead screw assembly, the uncovering lead screw assembly is arranged on the uncovering support and extends along the uncovering guide shaft, the uncovering connecting block is sleeved with the uncovering lead screw of the uncovering lead screw assembly and is in threaded connection with the uncovering lead screw, and the uncovering driving part is connected with the uncovering lead screw to drive the uncovering lead screw to rotate.

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