CN213504957U - Multi-head filling and feeding device for powder-liquid double-chamber bags - Google Patents

Abstract

The application relates to a two room bag bull filling feedway of powder-liquid belongs to the medical equipment field, and its technical scheme main points are: including base and the at least a set of powder unit that send of setting on the base, send the powder unit including a powder section of thick bamboo and powder case, a powder section of thick bamboo back-off is in on the powder case, the bottom structure of powder case is formed with the play powder groove of two parallels, it is half arc recess to go out the powder groove, and the feeding screw rod is worn to be equipped with in the inside of going out the powder groove, and the feeding screw rod sets up along the length direction who goes out the powder groove, installs the drive in the base the feeding screw rod rotates the power supply of pay-off, the powder case is just right the powder pipe is installed to one side of feeding screw rod output, go out the powder pipe with it is linked together to go. The utility model provides an advantage can reduce the waste of powder and the operation of being convenient for, improve work efficiency.

Description

Multi-head filling and feeding device for powder-liquid double-chamber bags

Technical Field

The application relates to the field of medical equipment, in particular to a powder-liquid double-chamber bag multi-head filling and feeding device.

Background

The powder-liquid double-chamber bag is an instant product, and the inside of the infusion bag is divided into two independent chambers which are respectively filled with solvent for injection and medicine powder. Before clinical use, medical staff only need to apply certain pressure to the liquid chambers and desolder the weak welding separating strip between the two chambers to enable the two chambers to be communicated with each other and shaken uniformly, so that the solvent for injection and the medicine powder can be fully mixed for clinical use, the infusion set has the remarkable characteristics of quick and convenient operation, particular suitability for earthquake relief, rescue of critical patients and the like, and the safety and reliability of infusion use are improved.

In the related art, reference may be made to the chinese patent publication No. CN110949772A, which discloses a filling and sealing system for a dual-chamber bag powder chamber, comprising a workbench and a powder filling device installed above the workbench, wherein the powder filling device comprises a rectangular powder storage bin, a filling funnel is provided at the bottom of the powder storage bin, during the actual powder filling process, the powder is pre-stored in the powder storage bin, and a motor at the top of the powder storage bin drives a screw to rotate, so that the powder in the powder storage bin smoothly falls into the powder chamber of the dual-chamber bag through the filling funnel.

The above related schemes have the following disadvantages: the filling mode is that the powder around the screw rod is gradually pushed into the filling funnel through the screw rod, a certain stacking height of the powder in the powder storage bin needs to be ensured, the powder around the screw rod can remain in the powder storage bin after powder filling is completed, and the powder can not be used any more, so that the waste of the powder is caused, and therefore the improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to reduce the waste of the medicinal powder, the application provides a powder-liquid double-chamber bag multi-head filling and feeding device.

The application provides a powder-liquid double-chamber bag bull filling feedway adopts following technical scheme:

the utility model provides a two room bag bull filling feedway of powder-liquid, includes the base and sets up at least a set of powder feeding unit on the base, the powder feeding unit includes a powder section of thick bamboo and powder case, a powder section of thick bamboo back-off is in on the powder case, the bottom structure of powder case is formed with two parallel play powder grooves, it is half arc recess to go out the powder groove, and the feeding screw rod is worn to be equipped with in the inside of going out the powder groove, and the feeding screw rod sets up along the length direction who goes out the powder groove, installs the drive in the base the feeding screw rod rotates the power supply of pay-off, the powder case is just right the powder pipe is installed out to one side of feeding screw rod output, go out the powder pipe with it is linked together.

Through adopting above-mentioned technical scheme, set up two play powder grooves that are half arc through the bottom at the powder case, every goes out the interior length direction level that all follows a powder groove of powder groove and is provided with the feeding screw rod, send the powder in-process powder section of thick bamboo can all fall into the play powder inslot in the powder case, the feeding screw rod can all see powder out at the rotation in-process basically, send not too much powder to stay in the powder incasement after the powder is accomplished, reduced the waste of powder.

Optionally, still rotate in the powder outlet groove and be connected with the puddler, puddler parallel arrangement in directly over the pay-off screw rod, the tip detachably of puddler installs the stirring vane.

Through adopting above-mentioned technical scheme, carry out the breakage through the puddler to the powder of caking, reduce powder and block, guarantee the going on smoothly of powder feeding work.

Optionally, the power source is a driving motor, and the driving motor drives the feeding screw rod and the stirring rod to synchronously rotate through a gear set.

Through adopting above-mentioned technical scheme, can drive pay-off screw rod and puddler and rotate simultaneously through an solitary driving motor, reach the effect of pay-off while stirring, saved installation space.

Optionally, the gear set includes a first gear fixedly connected to an output shaft of the driving motor, a second gear and a third gear fixedly connected to the feeding screw, and a fourth gear fixedly connected to the stirring rod, wherein the first gear and the second gear are engaged with each other, and the third gear and the fourth gear are engaged with each other.

Through adopting above-mentioned technical scheme, through the intermeshing between four gears for driving motor can be comparatively convenient drive pay-off screw rod and puddler rotate simultaneously.

Optionally, the top of the powder box is open, the open upper cover is provided with a box cover, and the box cover is detachably connected with the powder box through a locking assembly.

Through adopting above-mentioned technical scheme, open locking Assembly, take off the case lid after, can be comparatively convenient clear up the powder that remains on powder incasement wall to the next batch of powder of filling.

Optionally, the locking component includes upper ear plate and the lower ear plate of rigid coupling on the powder case of rigid coupling on the case lid, and vertical rigid coupling has the post of inserting on the lower ear plate, sets up the jack that supplies to insert the post and wear out on the upper ear plate, and the slot has been seted up downwards to the lopsidedness of inserting the post, and the card that upper ear plate and lower ear plate break away from is held to the rotation connection restriction in the slot.

Through adopting above-mentioned technical scheme, can take out the card piece from the slot through pulling the card piece of holding to relieve the restriction to the case lid, the staff can be comparatively convenient take off the case lid and clear up remaining powder in the powder case.

Optionally, a connecting cylinder is inserted between the powder cylinder and the powder box, an electric butterfly valve is installed inside the connecting cylinder, the electric butterfly valve comprises a valve shaft horizontally supported on the inner wall of the connecting cylinder in a rotating mode, six valve clacks evenly distributed on the outer peripheral wall of the valve shaft, and a servo motor installed outside the connecting cylinder and used for driving the valve shaft to rotate.

Through adopting above-mentioned technical scheme, drive valve shaft and valve clack through drive servo motor and rotate to can control the powder whereabouts in the powder section of thick bamboo to the powder incasement.

Optionally, a capacitive proximity switch for detecting the height of the powder in the powder box is installed on the outer side of the powder box, and the capacitive proximity switch and the servo motor are electrically connected to the same controller.

Through adopting above-mentioned technical scheme, capacitanc proximity switch can detect the height of powder incasement powder to through controlling the unloading of controlling powder through opening and close of electric butterfly valve, pile up too high with the powder that prevents in the powder incasement, influence the stirring effect of stirring piece.

Optionally, the powder case with be equipped with the fast-assembling subassembly between the gear train, the pay-off screw rod passes through the fast-assembling subassembly cartridge is at the powder incasement, and the fast-assembling subassembly includes the installation piece, and the bearing has been inlayed to the inside dress of installation piece, and the pay-off screw rod passes the installation piece and fixes mutually with the bearing inner circle, and the installation piece deviates from the both ends of powder case one side and sets up the spacing hole that runs through along the axis direction of pay-off screw rod, and the horizontal rigid coupling has the gag lever post of outwards wearing out spacing hole on the lateral wall of powder case, and the tip of gag lever post is equipped with the fast-assembling buckle, the.

Through adopting above-mentioned technical scheme, take off the fast-assembling buckle, outwards stimulate the installation piece, make it drive pay-off screw rod and puddler and withdraw from the powder incasement to can be comparatively convenient carry out thorough clearance to remaining powder on the pay-off screw rod.

Optionally, the insertion mode of the stirring rod is the same as that of the feeding screw.

Through adopting above-mentioned technical scheme, can withdraw from the puddler in the powder case to thoroughly clear up the powder that remains on the puddler.

To sum up, the beneficial technical effect of this application does:

1. the powder feeding device comprises a powder box, a powder feeding barrel, a powder feeding screw, a powder discharging screw, a powder feeding screw and a powder discharging screw, wherein the powder discharging barrel is arranged at the bottom of the powder box;

2. the caking powder can be crushed in the powder feeding process through the arranged stirring rod, so that the powder outlet pipe is prevented from being blocked by the powder, and the smooth operation of powder feeding is facilitated;

3. through the capacitive proximity switch and the electric butterfly valve mutually supporting effect that set up, can avoid the accumulational too high of powder incasement medicine powder, guarantee the good stirring effect of puddler.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an electric butterfly valve according to an embodiment of the present application.

Fig. 3 is a sectional view of the powder bin of the embodiment of the present application.

Fig. 4 is a schematic view of the internal structure of the powder box according to the embodiment of the present application.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Fig. 6 is a schematic view showing a driving manner of the feed screw and the stirring rod according to the embodiment of the present application.

Fig. 7 is a schematic view of an installation structure of a feeding screw and a stirring rod according to an embodiment of the present application.

Fig. 8 is an enlarged schematic view of a portion B in fig. 7.

Description of reference numerals: 1. a base; 11. a drive motor; 12. positioning a guide block; 2. powder box; 21. a box cover; 22. a powder outlet groove; 23. a powder outlet pipe; 24. a branch pipe; 25. quickly mounting a clamp; 3. a powder cartridge; 31. a connecting cylinder; 4. an electric butterfly valve; 41. a valve shaft; 42. a valve flap; 43. a servo motor; 5. a feed screw; 6. a stirring rod; 61. a stirring sheet; 62. fastening screws; 7. a gear set; 71. a first gear; 72. a second gear; 73. a third gear; 74. a fourth gear; 8. a capacitive proximity switch; 9. a locking assembly; 91. an upper ear plate; 92. a lower ear plate; 93. inserting a column; 94. a jack; 95. a card slot; 96. a retaining member; 10. fast assembly; 101. mounting blocks; 102. a limiting hole; 103. a limiting rod; 104. and (6) quickly mounting a buckle.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses two room bag bull filling feedway of powder-liquid, refer to fig. 1 and fig. 2, this two room bag bull filling feedway of powder-liquid includes the base 1 that is the rectangle, is provided with two sets of powder feeding units on the base 1, and two sets of structure composition that send the powder unit are the same, and to take one of them group as the example, send the powder unit including lay powder case 2 on base 1 and the powder section of thick bamboo 3 of back-off on powder case 2, and powder section of thick bamboo 3 mainly used splendid attire powder, and its specification and size does not do not specifically restrict. Be equipped with connecting cylinder 31 between powder section of thick bamboo 3 and powder case 2, the upper and lower both ends of connecting cylinder 31 are fixed with powder section of thick bamboo 3 and powder case 2 cartridge respectively, and the internally mounted of connecting cylinder 31 has electric butterfly valve 4, opens electric butterfly valve 4 after, the powder can be followed powder section of thick bamboo 3 and fallen to powder case 2 in.

Referring to fig. 3 and 4, specifically, the powder box 2 is an irregular box structure, two powder outlet grooves 22 are formed in the bottom of the powder box 2 in a concave manner, each of the two powder outlet grooves 22 is a semi-arc groove, a feeding screw 5 and a stirring rod 6 are arranged inside each of the powder outlet grooves 22 in a penetrating manner, the feeding screw 5 is arranged close to the bottom of the powder outlet groove 22 in the length direction, a powder outlet pipe 23 communicated with the powder outlet groove 22 is installed on the outer side of the powder box 2, the end of the feeding screw 5 penetrates through the side wall of the powder box 2 and then extends into the powder outlet pipe 23, and after the electric butterfly valve 4 is opened, the powder in the powder barrel 3 gradually falls into the powder box 2 and finally is completely sent out from the powder outlet groove 22 through the feeding screw 5.

Referring to fig. 4 and 5, the stirring rod 6 is arranged in parallel right above the feeding screw 5, the stirring rod 6 is provided with a stirring sheet 61, the stirring sheet 61 is fixed at the end of the stirring rod 6 by a fastening screw 62, and the stirring rod 6 is driven to drive the stirring sheet 61 to rotate, so that the agglomerated powder can be crushed before powder discharging, and smooth powder feeding operation is ensured.

Referring to fig. 6, a driving motor 11 is installed inside the base 1, the driving motor 11 is correspondingly disposed right below each powder discharging slot 22, and is connected with the feeding screw 5 and the stirring rod 6 through a gear set 7, the gear set 7 includes a first gear 71, a second gear 72, a third gear 73 and a fourth gear 74, the first gear 71 is fixedly connected to an output shaft of the driving motor 11, the second gear 72 and the third gear 73 are both fixedly connected to the feeding screw 5, and the fourth gear 74 is fixedly connected to the stirring rod 6, wherein the first gear 71 is engaged with the second gear 72, the third gear 73 is engaged with the fourth gear 74, and after the driving motor 11 is started, the output shaft thereof can drive the feeding screw 5 and the stirring rod 6 to rotate together, so as to achieve an effect of discharging powder while stirring.

Referring to fig. 7, further, the lateral wall of the powder box 2 is horizontally and fixedly connected with a branch pipe 24 communicated with the inside of the powder box 2, a capacitance type proximity switch 8 is inserted into the branch pipe 24, and after the detection end of the proximity switch is located inside the powder box 2, the body of the proximity switch is fixed with the outer wall of the branch pipe 24 through a fast-assembling clamp 25 so as to detect the height of the powder in the powder box 2, prevent too much powder from being accumulated in the powder box 2, and avoid affecting the stirring effect of the stirring sheet 61.

Referring to fig. 2, specifically, the capacitive proximity switch 8 needs to be used in cooperation with the electric butterfly valve 4, and the two are electrically connected to the same controller, the electric butterfly valve 4 includes a valve shaft 41 and a valve flap 42, the valve shaft 41 is horizontally disposed, and two ends of the valve shaft 41 are rotatably supported on the inner wall of the connecting cylinder 31; the valve clack 42 is in a semi-arc shape, six valve clacks 42 are uniformly distributed along the circumferential direction of the valve shaft 41, and the radiuses of the six valve clacks 42 are the same as the inner diameter of the connecting cylinder 31; a servo motor 43 is detachably mounted on the outer side of the connecting cylinder 31, and an output shaft of the servo motor 43 is horizontally and fixedly connected with the valve shaft 41.

In the actual powder feeding process, the preset value of the capacitive proximity switch 8 may be 10mm, that is, when the height of the powder in the powder box 2 is 10mm below the detection surface of the capacitive proximity switch 8, the indicator light of the capacitive proximity switch 8 is on, and an electrical signal is sent to the controller, after receiving the signal, the controller controls the servo motor 43 to drive the valve flap 42 to rotate, the valve flap 42 can enable the powder to continuously fall into the powder box 2 from the powder cylinder 3 in the rotation process, until the stacking height of the powder in the powder box 2 is less than 10mm from the horizontal height of the detection surface, the indicator light is turned off, and an electrical signal is sent to the controller, after receiving the signal, the controller controls the servo motor 43 to stop rotating, and two valve flaps 42 are in the horizontal state, so as to completely seal the connection cylinder 31, and stop the falling of the powder. And along with the continuous powder of seeing off in powder case 2 of pay-off screw rod 5, when the height of powder in powder case 2 was less than 10mm below the detection face of capacitanc proximity switch 8 once more, the controller controlled electric butterfly valve 4 once more and rotated the unloading, and is so repeated, controls the height of powder in powder case 2, avoids influencing the stirring effect of stirring piece 61. In addition, when the powder in the powder box 2 is lower than 10mm below the detection surface of the capacitive proximity switch 8 and no powder exists in the powder cylinder 3, an indicator lamp of the capacitive proximity switch 8 is always on, so that a worker can be reminded to replace the powder cylinder 3 in time.

Referring to fig. 7 and 8, in order to facilitate cleaning the inside of the powder box 2, a circular opening is formed at the top of the powder box 2, the circular opening is covered by the box cover 21, the box cover 21 is stably connected to the powder box 2 through the locking assembly 9, the locking assembly 9 comprises an upper ear plate 91 fixed to the box cover 21 and a lower ear plate 92 fixed to the powder box 2, an insert post 93 is vertically and fixedly connected to the lower ear plate 92, an insertion hole 94 is correspondingly formed in the upper ear plate 91, when the box cover 21 is covered on the powder box 2, the upper ear plate 91 and the lower ear plate 92 are mutually attached, the insert post 93 on the lower ear plate 92 upwardly penetrates through the insertion hole 94, one side of the insert post 93 is obliquely and downwardly provided with a clamping groove 95 and provided with a clamping member 96, the clamping member 96 has a rotating shaft, when being installed, the rotating shaft of the clamping member 96 is pushed into the bottom of the clamping groove 95, and then the clamping member 96 is rotated around the rotating shaft to the opposite side, so that the box, when the box cover 21 needs to be opened, the clamping piece 96 is only required to be turned to one side of the notch of the clamping groove 95, and the clamping piece 96 is taken out, so that the operation is simple and convenient.

Referring to fig. 7, considering that the powder remained on the feeding screw 5 and the stirring rod 6 is inconvenient to clean, the feeding screw 5 and the stirring rod 6 need to be withdrawn from the powder box 2, in order to realize the quick assembly and disassembly of the feeding screw 5 and the stirring rod 6, a quick assembly 10 is arranged on the outer side of the powder box 2, the quick assembly 10 comprises a mounting block 101 which is simultaneously sleeved on the two feeding screws 5, the mounting block 101 is positioned between the gear set 7 and the side wall of the powder box 2, a bearing is embedded in the mounting block 101, the feeding screw 5 passes through the mounting block 101 and is fixed with the inner ring of the bearing, a penetrating limiting hole 102 is horizontally arranged at the two ends of the mounting block 101 facing to the gear set 7 along the axial direction of the feeding screw 5, a limiting rod 103 extending towards the quick assembly mounting hole is horizontally and fixedly connected on the side wall of the powder box 2, during the installation, the mounting block 101 is pushed to enable the two limiting rods 103 to pass through the limiting hole 102, the mounting block 101 is limited from accidentally disengaging from the limiting rod 103, and the feeding screw 5 can be ensured to stably rotate in the powder box 2; during disassembly, the quick-assembly buckle 104 is taken down, then the mounting block 101 is pulled outwards to drive the feeding screw rod 5 to withdraw from the powder box 2, and finally, the residual powder on the feeding screw rod 5 is cleaned, so that the operation is simple and convenient. The stirring rod 6 can be assembled and disassembled in the same way as the feeding screw 5, and the details are not repeated.

Referring to fig. 1, in order to make the powder box 2 more stable on the base 1, there are two sets of, two location guide blocks 12 of every group fixed on the base 1, the bottom of the powder outlet groove 22 is correspondingly supported on two location guide blocks 12 below the powder outlet groove, and the powder box 2 is left and right limited by the two location guide blocks 12, so that the powder box 2 can be more stable on the base 1 and is not easy to shake.

The implementation principle of the embodiment of the application is as follows: the bottom of the powder box 2 is provided with two semi-arc-shaped powder outlet grooves 22, the powder completely falls into the powder outlet grooves 22 after passing through the connecting cylinder 31, the feeding screw 5 is arranged close to the bottom of the powder outlet grooves 22, the powder in the powder box 2 can be basically and completely sent out, the waste of the powder is reduced, the stirring rod 6 is arranged right above the feeding screw 5 and can crush agglomerated powder, and the capacitive proximity switch 8 and the electric butterfly valve 4 are adopted to interact with each other, so that the powder can be prevented from being accumulated too high in the powder box 2, and the stirring effect is prevented from being influenced; the top cover of powder case 2 is equipped with case lid 21, is convenient for open case lid 21 and clear up remaining powder in the powder case 2 after sending powder to accomplish, and pay-off screw rod 5 and puddler 6 then can be through taking off fast-assembling buckle 104, outwards pull out the two from one side of powder case 2 with the help of location guide block 12, after clearing up powder, with its playback locking, easy operation is convenient again.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a powder-liquid double-chamber bag bull filling feedway which characterized in that: including base (1) and set up the at least a set of powder unit that send on base (1), send the powder unit including a powder section of thick bamboo (3) and powder case (2), a powder section of thick bamboo (3) back-off is in on powder case (2), the bottom structure of powder case (2) is formed with two parallel play powder groove (22), it is half arc recess to go out powder groove (22), and pay-off screw rod (5) are worn to be equipped with in the inside of going out powder groove (22), and the length direction setting of going out powder groove (22) is followed in pay-off screw rod (5), installs the drive in base (1) pay-off screw rod (5) rotate the power supply of pay-off, powder case (2) are just right pay-off screw rod (5) one side of output is installed out powder pipe (23), go out powder pipe (23) with it is linked together to go out powder groove (22).

2. The multi-head filling and feeding device for the powder-liquid double-chamber bags according to claim 1, characterized in that: still rotate in the powder outlet groove (22) and be connected with puddler (6), puddler (6) parallel arrangement in directly over pay-off screw rod (5), stirring piece (61) are installed to the tip detachably of puddler (6).

3. The multi-head filling and feeding device for the powder-liquid double-chamber bag according to claim 2, characterized in that: the power source is a driving motor (11), and the driving motor (11) drives the feeding screw rod (5) and the stirring rod (6) to synchronously rotate through a gear set (7).

4. The multi-head filling and feeding device for the powder-liquid double-chamber bags, according to claim 3, is characterized in that: gear train (7) are including the rigid coupling first gear (71) on the output shaft of driving motor (11), rigid coupling second gear (72) and third gear (73) on pay-off screw rod (5) to and rigid coupling fourth gear (74) on puddler (6), first gear (71) and second gear (72) intermeshing, third gear (73) and fourth gear (74) intermeshing.

5. The multi-head filling and feeding device for the powder-liquid double-chamber bags according to claim 1, characterized in that: the top of powder case (2) is uncovered, and uncovered upper cover is equipped with case lid (21), case lid (21) with can dismantle the connection through locking Assembly (9) between powder case (2).

6. The multi-head filling and feeding device for the powder-liquid double-chamber bags, according to claim 5, is characterized in that: locking Assembly (9) include last otic placode (91) and lower otic placode (92) of rigid coupling on powder case (2) of rigid coupling on case lid (21), vertical rigid coupling has inserted post (93) on lower otic placode (92), has seted up on last otic placode (91) and has supplied to insert jack (94) that post (93) wore out, and the slot has been seted up downwards to the lopsidedness of inserting post (93), and the card that lug (91) and lower otic placode (92) broke away from is held to the slot internal rotation connection limited.

7. The multi-head filling and feeding device for the powder-liquid double-chamber bags according to claim 1, characterized in that: connecting cylinder (31) are inserted between powder section of thick bamboo (3) and powder case (2), and the internally mounted of connecting cylinder (31) has electric butterfly valve (4), electric butterfly valve (4) include that the level rotates valve shaft (41) of support on connecting cylinder (31) inner wall, evenly distributed six valve clacks (42) on valve shaft (41) periphery wall to and install in the connecting cylinder (31) outside and be used for the drive valve shaft (41) pivoted servo motor (43).

8. The multi-head filling and feeding device for the powder-liquid double-chamber bag according to claim 7, characterized in that: the outside of powder case (2) is installed and is used for detecting the capacitanc proximity switch (8) of powder height in powder case (2), capacitanc proximity switch (8) with servo motor (43) electricity is connected to on the same controller.

9. The multi-head filling and feeding device for the powder-liquid double-chamber bags, according to claim 3, is characterized in that: powder case (2) with be equipped with fast-assembling subassembly (10) between gear train (7), pay-off screw rod (5) are passed through fast-assembling subassembly (10) cartridge is in powder case (2), fast-assembling subassembly (10) are including installation piece (101), the inside dress of installation piece (101) has inlayed the bearing, pay-off screw rod (5) are passed installation piece (101) and are fixed mutually with the bearing inner circle, spacing hole (102) that run through are seted up along the axis direction of pay-off screw rod (5) in both ends that installation piece (101) deviate from powder case (2) one side, level rigid coupling has gag lever post (103) of outwards wearing out spacing hole (102) on the lateral wall of powder case (2), the tip of gag lever post (103) is equipped with fast-assembling buckle (104).

10. The multi-head filling and feeding device for the powder-liquid double-chamber bag according to claim 9, characterized in that: the stirring rod (6) and the feeding screw (5) are inserted in the same way.

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