CN111017313A - Bagging machine and filling method based on same - Google Patents

Abstract

The invention discloses a bagging machine and a filling method based on the same. A bagger, comprising: a platform that can hold a bag to be filled; the filling module comprises a filling head, a cantilever and a rotating mechanism, wherein the filling head can inject liquid into the bag, the filling head is arranged on the cantilever, and the rotating mechanism can drive the cantilever to rotate; the spraying module is provided with a spray head which can spray liquid, and the rotating mechanism can drive the filling head to move between the bag and the spraying module through the cantilever. Has the advantages that: the rotating mechanism and the cantilever enable the filling head to move between the bag and the spraying module, and the spraying head can spray liquid and clean the filling head. The filling head can pour into liquid into the sack and can wash on portable spraying module, is favorable to improving the clean ability of automation of filling head. The present invention relates to a bagging apparatus and method for filling a liquid.

Description

Bagging machine and filling method based on same

Technical Field

The invention relates to a bagging device and a method for filling liquid, in particular to a bagging machine and a filling method based on the bagging machine.

Background

In liquid packaging, plastic bag or drum packaging is often used for packaging liquid products having a relatively large portion. Bagged products are generally less expensive than barreled products and are therefore widely used. The stability and hygiene of filling equipment are important technical criteria in the filling process.

Bags used in the manufacture of pouches are usually provided with a lid which is openably and closably provided on the bag. Before filling begins, the cover needs to be opened and the bag is filled with liquid through the filling tube. After filling is complete, the cap needs to be reclosed. Because liquid is easy to splash in the filling process, the filling mechanism needs to be cleaned frequently by spraying when filling, so that bacteria breeding or product pollution in the long-time filling process is avoided.

The prior art has a bag filling machine which can automatically complete filling and capping work. The technical defects of the prior art bagging machine are as follows: in the filling work process, the filling mechanism is usually cleaned by manual spraying, and the automation degree of the cleaning work of the filling mechanism is not high; the low degree of automation of the cleaning of the filling elements leads to poor environmental sealing around the filling elements, so that the hygiene of the filling elements is easily influenced by environmental factors.

Disclosure of Invention

The invention aims to solve at least one technical problem in the prior art, and provides a bagging machine with high automatic cleaning degree and a filling method based on the bagging machine.

The technical scheme adopted for solving the technical problems is as follows:

a bagger, comprising: a platform that can hold a bag to be filled; the filling module comprises a filling head, a cantilever and a rotating mechanism, wherein the filling head can inject liquid into the bag, the filling head is arranged on the cantilever, and the rotating mechanism can drive the cantilever to rotate; the spraying module is provided with a spray head which can spray liquid, and the rotating mechanism can drive the filling head to move between the bag and the spraying module through the cantilever.

The bagging machine at least has the following beneficial effects:

the rotating mechanism and the cantilever enable the filling head to move between the bag and the spraying module, and the spraying head can spray liquid and clean the filling head. The filling head can pour into liquid into the sack and can wash on portable spraying module, is favorable to improving the clean ability of automation of filling head.

In a possible embodiment of the invention, the spray module is provided with a groove, the spray head is arranged in the groove, the inner side wall of the groove can be close to the outer side of the filling head, and the spray head can extend into the filling head. The inner side wall of the groove can be close to the outer side of the filling head, so that the gap between the groove and the filling head can be reduced, liquid sprayed out of the spraying module can be prevented from being splashed out of the filling head, and the filling machine can be further kept clean; the shower nozzle can stretch into in the filling head, makes the shower nozzle clean in can being to the filling head, is favorable to improving the clean degree of filling head.

In a possible implementation manner of the invention, a plurality of spray pipes are further arranged in the groove, the outlet directions of the spray pipes are parallel to the depth direction of the groove, a plurality of spray holes are arranged on the surface of the spray head, and the outlet directions of the spray holes are inclined to the depth direction of the groove; still be equipped with a plurality of first drainage channel in the recess, the liquid accessible first drainage channel in the recess flows outside the module that sprays. The spray tube is parallel to the depth direction of the groove, so that the end face of the filling head can be cleaned, the spray holes in the spray head are inclined to the depth direction of the groove, the inner side face of the filling head can be cleaned, the first liquid discharge channel can discharge the liquid sprayed out from the spraying module to the filling head, and the liquid can be discharged in a direction and used for cleaning.

In a possible embodiment of the invention, the bag filling machine further comprises a cleaning module, the cleaning module comprises a cleaning pipe, the cantilever is arranged between the cleaning pipe and the filling head, the rotating mechanism can drive the cantilever to rotate and enable the filling head to be communicated with the cleaning pipe, and the cleaning pipe can introduce liquid into the filling head. The scavenge pipe can let in liquid in to the filling head to the realization is to the comprehensive cleanness of filling module.

In a possible embodiment of the invention, the cleaning module further comprises a container and a pump body, the container, the pump body, the filling head and the cleaning tube forming a closed loop, the pump body driving a liquid to circulate between the container, the filling head and the cleaning tube. The container can contain cleaning liquid, and the pump body can drive the cleaning liquid to circularly flow among the container, the cleaning pipe and the filling head, so that the filling module can be cleaned comprehensively.

In a possible embodiment of the present invention, the bagging machine further includes a cover pulling module, the cover pulling module includes a first clamping mechanism and a second clamping mechanism, the first clamping mechanism includes a first chuck, the first chuck can fix the bag on the platform, the second clamping mechanism includes a second chuck, a third chuck, a first translation mechanism and a second translation mechanism, the first translation mechanism can drive the second chuck and the third chuck to approach each other, and the second translation mechanism can drive the second chuck and the third chuck to move away from the platform. The first clamping mechanism and the second clamping mechanism can clamp the upper cover of the bag and realize assembly and disassembly, so that the automation degree of the bagging machine is improved.

In a possible embodiment of the present invention, the cap removing module further includes a third translation mechanism, and the third translation mechanism can move the second chuck and the third chuck away from the first chuck. The third translating mechanism may disengage the bag from the first jaw after capping is complete, and the first translating mechanism may then release and disengage the second jaw and the third jaw from the bag, such that the bag may be completely disengaged from the first jaw, the second jaw, and the third jaw.

In a possible embodiment of the invention, the bagging machine further comprises a conveying module, the conveying module comprises a support plate and a fourth translation mechanism, the support plate is arranged between the bag and the platform, the support plate can move obliquely relative to the platform, and the fourth translation mechanism can jack one side of the support plate and enable the support plate to be oblique to the platform. The supporting plate can be inclined to the platform, so that the bag can slide out along the inclined direction of the supporting plate, and the automation degree of the bagging machine is further improved.

In a possible implementation manner of the invention, the bagging machine further comprises an isolation module, the isolation module comprises a plurality of partition plates, each partition plate surrounds the periphery and the upper part of the platform, and the isolation module is internally provided with a sterilizing lamp which can irradiate the platform, the filling module and the spraying module. The platform, the filling module and the spraying module can be relatively isolated from the external environment by the partition plate, so that the risk of pollution in the filling process is reduced; the germicidal lamp may be germicidal, thereby further reducing the risk of contamination during the filling process.

The filling method is based on a bagging machine, a detachable cover is arranged at the opening of the bag, and the filling process further comprises the following steps:

step a, clamping the opening of the bag on the first chuck;

b, enabling the second chuck and the third chuck to translate to two sides of the cover by a third translation mechanism;

c, enabling the second chuck and the third chuck to approach each other by the first translation mechanism and clamping the cover;

d, enabling the second clamping head and the third clamping head to be far away from the platform by the second translation mechanism, and enabling the cover to be separated from the bag;

step e, the rotating mechanism drives the filling head to rotate along with the cantilever, the filling head is aligned to an opening of the bag, and the filling head injects liquid into the bag;

step f, the rotating mechanism drives the filling head to rotate along with the cantilever, the filling head leaves the opening of the bag, and the third translation mechanism drives the second chuck, the third chuck and the cover to be close to the opening of the bag;

step g, enabling the second chuck and the third chuck to be close to the platform by the second translation mechanism, and enabling the cover to cover the opening of the bag;

and h, enabling the supporting plate to incline by the fourth translation mechanism. The automatic assembly and disassembly of the cover and the filling of the liquid into the bag can be realized in the filling process, and the bag can be automatically sent out after the filling is finished, so that the automation degree of the bagging machine is improved. Higher degree of automation can reduce the contact of operating personnel to the bagging machine, is favorable to realizing the isolation of filling environment and external environment, is favorable to improving the sanitary level of filling process.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIGS. 1 and 2 are schematic views of a bagger of an embodiment of the present invention;

FIG. 3 is a partial schematic view of a bagger of an embodiment of the present invention;

FIG. 4 is a front view of a spray module of an embodiment of the present invention;

FIG. 5 is a left side view of FIG. 4 in accordance with an embodiment of the present invention;

FIG. 6 is a top view of FIG. 4 in accordance with an embodiment of the present invention;

FIG. 7 is a cross-sectional view of section A of FIG. 4 in accordance with an embodiment of the present invention;

FIG. 8 is a cross-sectional view of section B of FIG. 5 in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of the surface structure of a spray module according to an embodiment of the present invention;

fig. 10 is a schematic view of the internal structure of the spray module according to the embodiment of the present invention;

FIGS. 11 to 18 are schematic views illustrating a filling process of the bagging machine according to the embodiment of the invention;

fig. 19 is a schematic view of a filling head and a cleaning tube in a butt joint state according to an embodiment of the present invention;

reference numerals:

a filling module: the filling head 101, the cantilever 102, the rotating mechanism 103, the filling switch 104 and the buffer device 105;

and (3) a spraying module: the spray head 201, the groove 202, the spray pipe 203, the liquid storage cavity 204, the first liquid discharge channel 205, the second liquid discharge channel 206 and the liquid inlet channel 207;

a cleaning module: a cleaning pipe 301, a container 302, a pump body 303, and a drain valve 304;

a cover pulling module: a first chuck 401, a second chuck 402, a third chuck 403, a first translation mechanism 404, a second translation mechanism 405, and a third translation mechanism 406;

a conveying module: a support plate 501, a fourth translation mechanism 502;

an isolation module: a partition 601, a germicidal lamp 602;

platform 701, bag 702, cover 703.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 to 19, a bagger includes: a platform 701, wherein the platform 701 can fix a bag 702 to be filled; the filling module comprises a filling head 101, a cantilever 102 and a rotating mechanism 103, wherein the filling head 101 can inject liquid into the bag 702, the filling head 101 is arranged on the cantilever 102, and the rotating mechanism 103 can drive the cantilever 102 to rotate; the spraying module is provided with a spray head 201, the spray head 201 can spray liquid, and the rotating mechanism 103 can drive the filling head 101 to move between the bag 702 and the spraying module through the cantilever 102.

The bagging machine at least has the following beneficial effects:

the rotation mechanism 103 and the cantilever 102 allow the filling head 101 to move between the bag 702 and the spray module, and the spray head 201 can spray liquid and clean the filling head 101. The filling head 101 can inject liquid into the bag 702 and can move to the spray module for cleaning, which is beneficial to improving the automatic cleaning capability of the filling head 101.

With respect to the platform 701, the filling module and the spray module are disposed on the platform 701, and the bag 702 is secured to the platform 701.

The bag 702 is provided with an inlet, and the periphery of the inlet is made of a hard material so that the inlet can maintain a fixed shape. A cover 703 is provided on the bag 702, the cover 703 removably covering the inlet.

Regarding the filling head 101, a filling switch 104 is disposed on the filling head 101, and the filling switch 104 is a pneumatic valve, and the switch can control whether the filling head 101 outputs liquid or not. The filling head 101 is communicated with a filling hose, and a buffer device 105 is further arranged on the filling hose.

The buffer device 105 is a conventional liquid buffer for a pipeline, and can reduce the impact caused by sudden pressure change of the liquid pipeline by elastically changing the volume. When the material pump is started, the buffer device 105 can avoid the problems of overlarge pressure, unstable filling flow and the like in the filling hose.

Regarding the cantilever 102, a passage for conveying a liquid is provided in the cantilever 102, a filling hose is communicated with the passage of the cantilever 102 from one end of the cantilever 102, and a filling head 101 is provided at the other end of the cantilever 102.

With respect to the swivel mechanism 103, the swivel mechanism 103 is provided at one end of the boom 102, and the swivel mechanism 103 and the filling hose are provided at the same end of the boom 102. The rotation mechanism 103 is a motor.

In this embodiment, a groove 202 is formed in the spraying module, the nozzle 201 is disposed in the groove 202, an inner side wall of the groove 202 can be close to an outer side of the filling head 101, and the nozzle 201 can extend into the filling head 101. The inner side wall of the groove 202 can be close to the outer side of the filling head 101, so that the gap between the groove 202 and the filling head 101 can be reduced, liquid sprayed by the spraying module can be prevented from being splashed out of the filling head 101, and the filling machine can be further kept clean; the shower nozzle 201 can stretch into in the filling head 101, makes the shower nozzle 201 clean in can being to the filling head 101, is favorable to improving the clean degree of filling head 101.

With respect to the groove 202, the groove 202 is annular in shape, and the groove 202 surrounds the spray head 201. The outlet of the filling head 101 is shaped as a tube, and the filling head 101 can be inserted into the recess 202 while simultaneously inserting the spray head 201 into the filling head 101.

In this embodiment, the groove 202 is further provided with a plurality of nozzles 203, the outlet direction of the nozzles 203 is parallel to the depth direction of the groove 202, the surface of the spray head 201 is provided with a plurality of spray holes, and the outlet direction of the spray holes is inclined to the depth direction of the groove 202; a plurality of first liquid discharge channels 205 are further arranged in the groove 202, and liquid in the groove 202 can flow out of the spraying module through the first liquid discharge channels 205. The spray pipe 203 is parallel to the depth direction of the groove 202, which is beneficial for cleaning the end face of the filling head 101, the spray holes on the spray head 201 are inclined to the depth direction of the groove 202, which is beneficial for cleaning the inner side face of the filling head 101, and the first liquid discharge channel 205 can discharge the liquid sprayed from the spray module to the filling head 101 to the outside of the spray module, and can discharge the liquid for cleaning in an oriented manner.

Regarding the nozzles 203, the number of the nozzles 203 is six. The spray pipes 203 vertically extend upwards from the bottom surface of the groove 202, and the spray pipes 203 are uniformly distributed in the groove 202.

Regarding the spray holes, the end of the spray head 201 is hemispherical, and the spray holes are uniformly distributed on the surface of the end of the spray head 201 and form radial channels.

Regarding the first liquid discharging channel 205, a liquid storage cavity 204 is further arranged in the spraying module, and the liquid in the first liquid discharging channel 205 can flow into the liquid storage cavity 204 first and then be discharged out of the spraying module. The liquid storage cavity 204 has a buffer function on liquid, so that the liquid accumulated in the groove 202 can be transferred into the liquid storage cavity 204 as much as possible, and then is gradually discharged out of the spraying module through the liquid storage cavity 204.

Regarding the spraying module, the spraying device is provided with a liquid inlet channel 207, and the liquid inlet channel 207 can convey liquid to the spray head and the spray pipe. The spraying module is also provided with a second liquid drainage channel 206 communicated with the liquid storage cavity 204, and the liquid storage cavity 204 discharges liquid out of the spraying module through the second liquid drainage channel 206.

In this embodiment, the bagging machine further includes the cleaning module, and the cleaning module includes the scavenge pipe 301, and the cantilever 102 is established between scavenge pipe 301 and filling head 101, and rotary mechanism 103 can drive cantilever 102 and rotate and make filling head 101 and scavenge pipe 301 communicate, and the scavenge pipe 301 can let in liquid to filling head 101. The cleaning tube 301 may be filled with liquid into the filling head 101, thereby achieving a thorough cleaning of the filling module.

With regard to the purge line 301, the purge line 301 has the function of constantly feeding liquid into the filling head 101, so that the lines of the filling module are thoroughly cleaned by the flowing liquid. And the spray head 201 serves to spray liquid toward the mouth of the filling head 101.

In this embodiment, the cleaning module further includes a container 302 and a pump body 303, the container 302, the pump body 303, the filling head 101, and the cleaning tube 301 may form a closed loop, and the pump body 303 may circulate liquid among the container 302, the filling head 101, and the cleaning tube 301. The container 302 can contain cleaning liquid, and the pump 303 can drive the cleaning liquid to circularly flow among the container 302, the cleaning pipe 301 and the filling head 101, so that the filling module can be cleaned completely.

Regarding the container 302, the container 302 is a balance cylinder, and the bottom of the container 302 is provided with a drain valve 304 for draining the liquid in the container 302 and removing the waste liquid in the container 302.

In this embodiment, the bagging machine further includes a cover pulling module, the cover pulling module includes a first clamping mechanism and a second clamping mechanism, the first clamping mechanism includes a first chuck 401, the first chuck 401 can fix the bag 702 on the platform 701, the second clamping mechanism includes a second chuck 402, a third chuck 403, a first translation mechanism 404 and a second translation mechanism 405, the first translation mechanism 404 can drive the second chuck 402 and the third chuck 403 to approach each other, and the second translation mechanism 405 can drive the second chuck 402 and the third chuck 403 to be away from the platform 701. The first clamping mechanism and the second clamping mechanism can clamp and assemble and disassemble the cover 703 on the bag 702, so that the automation degree of the bagging machine is improved.

With respect to the first clamp 401, the first clamp 401 is provided with a semicircular notch that can snap into the opening of the bag 702 so that the bag 702 can be secured to the platform 701.

With respect to the second and third jaws 402, 403, the second and third jaws 402, 403 are also provided with semi-circular recesses, respectively, and the second and third jaws 402, 403 can approach and grip the cap 703 from either side of the cap 703, respectively.

With respect to the first translation mechanism 404, the first translation mechanism 404 is two symmetrically arranged cylinders. The first translation mechanism 404 may drive the second jaw 402 and the third jaw 403 toward each other and grip the cap 703.

As for the second translation mechanism 405, the second translation mechanism 405 is two cylinders. The second translation mechanism 405 may drive the second chuck 402 and the third chuck 403 to respectively lift and lower with respect to the platform 701. The second translation mechanism 405 is combined with the first translation mechanism 404 to realize the cap pulling and cap loading operations.

In this embodiment, the cap removing module further includes a third translation mechanism 406, and the third translation mechanism 406 can move the second chuck 402 and the third chuck 403 away from the first chuck 401. The third translation mechanism 406 may disengage the bag 702 from the first jaw 401 after capping is complete, and then the first translation mechanism 404 may release the second jaw 402 and the third jaw 403 and disengage the bag 702 so that the bag 702 may be completely disengaged from the first jaw 401, the second jaw 402, and the third jaw 403.

As for the third translation mechanism 406, the third translation mechanism 406 is provided on the bottom surface of the stage 701, and the third translation mechanism 406 is an air cylinder. The third translation mechanism 406 can bring the second translation mechanism 405 and the first translation mechanism 404 close to or away from the first chuck 401 at the same time.

In this embodiment, the bagging machine further comprises a conveying module, the conveying module comprises a supporting plate 501 and a fourth translation mechanism 502, the supporting plate 501 is arranged between the bag 702 and the platform 701, the supporting plate 501 can move obliquely relative to the platform 701, and the fourth translation mechanism 502 can jack up one side of the supporting plate 501 and enable the supporting plate 501 to be oblique to the platform 701. The support plate 501 may be inclined to the platform 701 so that the bag 702 may slide out in the direction of inclination of the support plate 501, which is advantageous to further improve the degree of automation of the bagging machine.

With respect to the conveyor module, the conveyor module further comprises a conveyor belt, the working surface of which is lower than the platform 701. After the transport module has slid the bag 702 obliquely off the platform 701, the bag 702 may fall onto a high conveyor belt so that the bag 702 may be further transferred via the conveyor belt.

In this embodiment, the bagging machine further includes an isolation module, the isolation module includes a plurality of partition plates 601, each partition plate 601 surrounds around and above the platform 701, and a sterilizing lamp is further disposed in the isolation module and can irradiate the platform 701, the filling module and the spraying module. The partition plate 601 enables the platform 701, the filling module and the spraying module to be relatively isolated from the external environment, and the risk of pollution in the filling process is favorably reduced; the germicidal lamp may be germicidal, thereby further reducing the risk of contamination during the filling process.

Regarding the isolation module, the partition board 601 is a rectangular flat board, so that the isolation module encloses a rectangular space, and the platform 701, the filling head 101, the spraying module, the cleaning module, the first chuck 401, the second chuck 402 and the third chuck 403 are accommodated in the rectangular space.

The filling method is based on a bagging machine, a detachable cover 703 is arranged at an opening of a bag 702, and the filling process further comprises the following steps:

step a, an opening of the bag 702 is clamped on the first clamping head 401;

step b, translating the second chuck 402 and the third chuck 403 to two sides of the cover 703 by a third translation mechanism;

step c, the first translation mechanism 404 makes the second chuck 402 and the third chuck 403 approach each other and clamp the cover 703;

step d, the second translation mechanism moves the second clamp 402 and the third clamp 403 away from the platform 701 and disengages the cover 703 from the bag 702;

step e, the rotating mechanism 103 drives the filling head 101 to rotate along with the cantilever 102, the filling head 101 is aligned with an opening of the bag 702, and the filling head 101 injects liquid into the bag 702;

step f, the rotating mechanism 103 drives the filling head 101 to rotate along with the cantilever 102, the filling head 101 leaves the opening of the bag 702, and the third translating mechanism drives the second chuck 402, the third chuck 403 and the cover 703 to be close to the opening of the bag 702;

step g, the second translation mechanism brings the second clip head 402 and the third clip head 403 close to the platform 701 and covers the opening of the bag 702 with the cover 703;

step h, the fourth translation mechanism 502 tilts the support plate 501.

Regarding the filling process, steps a, b, c, d, e, f, g and h correspond one-to-one to fig. 11 to 18. The filling process can realize the automatic assembly and disassembly of the cover 703 and the filling of the liquid into the bag 702, and can also automatically send out the bag 702 after the filling is finished, thereby improving the automation degree of the bagging machine. Higher degree of automation can reduce the contact of operating personnel to the bagging machine, is favorable to realizing the isolation of filling environment and external environment, is favorable to improving the sanitary level of filling process.

With regard to step g, while step g is in progress, the filling head 101 may be directed at a spray module that may spray liquid toward the filling head 101 to clean the filling head 101.

With respect to step h, the bag 702 slides out of the platform 701 on the inclined support plate 501 in step h, and then the bag 702 falls onto the conveyor belt. The conveyor belt runs and further transports the bag 702 out of the bagger.

Fig. 19 shows the filling head 101 in abutment with the cleaning tube 301, and the cleaning module can feed cleaning liquid into the filling module, so that the filling module and the various lines connected thereto can be cleaned.

Claims (10)

1. The bagging machine, its characterized in that includes:

a platform that can secure a bag to be filled;

the filling module comprises a filling head, a cantilever and a rotating mechanism, wherein the filling head can inject liquid into the bag, the filling head is arranged on the cantilever, and the rotating mechanism can drive the cantilever to rotate;

the spraying module is provided with a spray head, the spray head can spray liquid, and the rotating mechanism can drive the filling head to move between the bag and the spraying module through the cantilever.

2. The bagging machine of claim 1, wherein: the spray module is provided with a groove, the spray head is arranged in the groove, the inner side wall of the groove can be pressed close to the outer side of the filling head, and the spray head can stretch into the filling head.

3. The bagging machine of claim 2, wherein: a plurality of spray pipes are further arranged in the groove, the outlet directions of the spray pipes are parallel to the depth direction of the groove, a plurality of spray holes are formed in the surface of the spray head, and the outlet directions of the spray holes are inclined to the depth direction of the groove; still be equipped with a plurality of first drainage passageways in the recess, the liquid accessible in the recess first drainage passageway flows to outside the module sprays.

4. The bagging machine of claim 3, wherein: still including wasing the module, it includes the scavenge pipe to wash the module, the cantilever is established the scavenge pipe with between the filling head, rotary mechanism can drive the cantilever rotates and makes the filling head with the scavenge pipe intercommunication, the scavenge pipe can to let in liquid in the filling head.

5. The bagging machine of claim 4, wherein: the cleaning module still includes container and pump body, the container the pump body the filling head with the scavenge pipe can form closed return circuit, the pump body can drive liquid be in the container the filling head with circulation flow between the scavenge pipe.

6. The bagging machine according to any one of claims 1 to 4, wherein: the bag cover pulling device is characterized by further comprising a cover pulling module, the cover pulling module comprises a first clamping mechanism and a second clamping mechanism, the first clamping mechanism comprises a first chuck, the first chuck can fix the bag on the platform, the second clamping mechanism comprises a second chuck, a third chuck, a first translation mechanism and a second translation mechanism, the first translation mechanism can drive the second chuck and the third chuck to be close to each other, and the second translation mechanism can drive the second chuck and the third chuck to be far away from the platform.

7. The bagging machine of claim 6, wherein: the cover pulling module further comprises a third translation mechanism, and the third translation mechanism can drive the second chuck and the third chuck to be far away from the first chuck.

8. The bagging machine of claim 7, wherein: the bag-type bag conveying device is characterized by further comprising a conveying module, wherein the conveying module comprises a supporting plate and a fourth translation mechanism, the supporting plate is arranged between the bag and the platform, the supporting plate can move in an inclined mode relative to the platform, and the fourth translation mechanism can jack up one side of the supporting plate and enable the supporting plate to be inclined to the platform.

9. The bagging machine according to any one of claims 1 to 4, wherein: the device is characterized by further comprising an isolation module, wherein the isolation module comprises a plurality of partition plates, each partition plate surrounds the periphery and the upper part of the platform, and a sterilizing lamp is further arranged in the isolation module and can irradiate the platform, the filling module and the spraying module.

10. The filling method is characterized in that: the filling process of the machine according to claim 8, wherein the opening of the bag is provided with a detachable lid, the filling process further comprising the steps of:

step a, clamping the opening of the bag on the first clamp head;

b, the third translation mechanism enables the second chuck and the third chuck to translate to two sides of the cover;

c, enabling the second chuck and the third chuck to approach each other and clamp the cover by the first translation mechanism;

step d, the second translation mechanism moves the second and third jaws away from the platform and disengages the cover from the bag;

step e, the rotating mechanism drives the filling head to rotate along with the cantilever, the filling head is aligned with the opening of the bag, and the filling head injects liquid into the bag;

step f, the rotating mechanism drives the filling head to rotate along with the cantilever, the filling head leaves the opening of the bag, and the third translation mechanism drives the second chuck, the third chuck and the cover to be close to the opening of the bag;

step g, the second translation mechanism brings the second and third jaws close to the platform and the cover covers the opening of the bag;

and h, enabling the supporting plate to incline by the fourth translation mechanism.

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