CN220444560U - Negative pressure pipeline cleaning device of formation machine - Google Patents

Abstract

The utility model relates to the technical field of negative pressure formation, and aims to provide a negative pressure pipeline cleaning device of a formation machine, so as to solve the technical problems of tedious cleaning process and difficult cleaning caused by the fact that in the prior art, a cleaning device needs to be in one-to-one sealing butt joint with connecting pipes. The device for cleaning the negative pressure pipeline of the formation machine comprises bus bars used for butt-jointing the negative pressure pipelines of the formation machine, butt-jointing structures which are arranged at intervals and used for butt-jointing and communicating with the negative pressure pipelines of the formation machine, draft tubes with one ends communicated with the butt-jointing structures one by one and draft tubes with the other ends communicated with the other ends of the draft tubes; the negative pressure pipeline cleaning device of the formation machine further comprises a liquid storage tank for storing cleaning liquid and a driving pump for pumping the cleaning liquid in the liquid storage tank to the collecting pipe.

Description

Negative pressure pipeline cleaning device of formation machine

Technical Field

The utility model relates to the technical field of negative pressure formation, in particular to a negative pressure pipeline cleaning device of a formation machine.

Background

The formation is an indispensable procedure in the production process of lithium ion batteries, and is mainly a process of performing primary current charging on the lithium ion batteries so as to activate active substances in the batteries in the charging process, thereby forming an electrolyte interface film (SEI film) on the surface of the negative electrode materials of the batteries. During formation activation, gases are generated during the reaction of the electrodes with the electrolyte and during decomposition of the electrolyte, which can lead to expansion of the cell. Thus, to reduce cell swelling, it is desirable to vent the gas in a timely manner. At present, a negative pressure device is mainly used for pumping out gas generated in the formation process of the battery.

For example, the utility model patent with the grant publication number of CN209804823U and the grant publication date of 2019.12.17 discloses a separated negative pressure formation device, which comprises a vacuum busbar arranged above a battery, wherein the vacuum busbar is communicated with the battery through a positive electrode module and a negative electrode module at the bottom, a negative pressure cup is further connected between the vacuum busbar and the positive electrode module, a plurality of negative pressure cup outlets are arranged below each negative pressure cup, a negative pressure pipe is connected to the negative pressure cup outlets, the other end of the negative pressure pipe extends outwards and is connected with a suction nozzle assembly at the end part of the negative pressure pipe, two parallel negative pressure butt joint rows are formed on one side of the busbar by each negative pressure pipe and the negative pressure assembly, and negative pressure suction of the negative pressure cup to gas in the battery can be realized by connecting the suction nozzle assembly of the negative pressure butt joint rows with negative pressure equipment, so that normal formation of the battery is ensured. However, when the negative pressure formation device is in actual use, besides the reaction gas in the battery, the electrolyte in the battery is inevitably sucked into the negative pressure cup and the negative pressure pipeline, and after long-term use, the electrolyte is deposited in the negative pressure cup, the negative pressure pipeline or the suction nozzle assembly to be condensed into crystals so as to block the pipeline of the negative pressure formation device, thereby causing the problem of swelling of the battery to frequently occur and affecting the formation reaction of the battery.

Aiming at the problems, the negative pressure formation device needs to be cleaned in time, the patent of the utility model with the authorized bulletin number of CN215587383U and the authorized bulletin day of 2022.01.21 discloses a negative pressure pipeline cleaning device for lithium battery formation, which comprises a box body, and a partition plug and a negative pressure component which are communicated with a negative pressure pipeline cleaning liquid. However, when the cleaning device is used for cleaning, the partition board plugs, the cleaning equipment and the negative pressure components are required to be in one-to-one correspondence, the connection process and the cleaning process are complex, and especially when the components such as the negative pressure butt joint rows with more suction nozzles and longer pipeline arrangement are cleaned, the partition board plugs are required to be used for sealing the butt joint connecting pipes one by one and the driving equipment with enough power is arranged for cleaning the formation device, so that the formation machine is difficult to clean and the process is complex.

Disclosure of Invention

The utility model aims to provide a negative pressure pipeline cleaning device of a chemical forming machine, which aims to solve the technical problems of complex cleaning process and difficult cleaning caused by the need of one-to-one sealing and abutting connection pipes when the cleaning device in the prior art is used.

In order to achieve the above purpose, the technical scheme of the negative pressure pipeline cleaning device of the formation machine provided by the utility model is as follows:

the device comprises a busbar for butting the negative pressure pipelines of the formation machine, wherein the busbar is provided with butting structures which are arranged at intervals and are in butting communication with the negative pressure pipelines of the formation machine, and the device also comprises draft tubes with one ends in one-to-one communication with the butting structures and draft tubes with the other ends in all communication with each other; the negative pressure pipeline cleaning device of the formation machine further comprises a liquid storage tank for storing cleaning liquid and a driving pump for pumping the cleaning liquid in the liquid storage tank to the collecting pipe.

The beneficial effects are that: the utility model provides a brand-new negative pressure pipeline cleaning device of a formation machine based on the problems of the cleaning device in the prior art, through a busbar and a butt joint structure arranged on the busbar at intervals, the cleaning device can be in butt joint with the formation machine with the busbar, can be connected with independent structures such as a single negative pressure cup and the like, simultaneously, through-flow pipes connected with the butt joint structure one by one can ensure independent supply of cleaning liquid, the through-flow pipes can be connected together, then the through-flow pipes are supplied with the cleaning liquid through a driving pump, a liquid storage tank connected with the driving pump can ensure storage and supply sources of the cleaning liquid, and the supply of the cleaning liquid is ensured through the through-flow pipes, the driving pump and the liquid storage tank on the premise that the butt joint structure can be in butt joint diversification, so that the structure is compact and simple, the cleaning of the negative pressure pipeline of the formation machine can be realized without complicated connecting pipes, arrangement and connection processes in the prior art, and the technical problems of complicated process and difficult cleaning in the use of the cleaning device in the prior art are effectively solved.

Preferably, the negative pressure pipeline cleaning device of the chemical forming machine further comprises a control assembly, wherein the control assembly comprises a control switch electrically connected with the driving pump, and the control assembly further comprises a trigger device used for being matched with the chemical forming machine trigger to enable the control switch to be closed when the negative pressure pipeline of the chemical forming machine moves downwards. Through the arrangement of the trigger device and the control switch, when the negative pressure pipeline of the formation machine moves downwards, the trigger device can control the opening and closing of the control switch, so that the control switch can directly control the opening and closing of the driving pump, the driving pump can be automatically triggered and closed along with the movement of the negative pressure pipeline of the formation machine, and the cleaning operation is more convenient to carry out.

Preferably, the control switch comprises a time delay relay connected between the trigger device and the drive pump. The connection setting through the delay relay makes the start and stop of the drive pump have time delay, prevents that the butt joint structure from not arriving with the condition that the formation machine negative pressure pipeline is in place yet when the direct opening of control switch, guarantees belt cleaning device's butt joint and arrives in place.

Preferably, the delay relay is provided with at least two delay relays, including a delay power-on relay and a timing power-off relay. The delay power-on relay and the timing power-off relay can perform delay protection under the working conditions of opening and closing the control switch, and the safety of the control switch during opening and closing is improved to the greatest extent.

Preferably, the trigger device comprises conductive blocks for being respectively spliced with positive and negative conductive probes in the formation machine. The positive electrode conductive probes and the negative electrode conductive probes in the formation machine can be inserted and connected with each other to conduct electricity through the conductive blocks, so that the control switch in the cleaning device can conduct electricity through the conductive probes in the formation machine, extra circuits are not needed, and cost and installation difficulty are saved.

Preferably, the cleaning device comprises an external frame assembly, the frame assembly comprises a bottom plate and two side plates vertically connected with the bottom plate, and the bus bar frame are fixed on the two side plates. The bottom plate and the two side plates of the frame assembly ensure the connection stability and the installability of the bus bars and the bus pipes to the greatest extent on the basis of reducing the cost and the weight.

Preferably, the busbar is movably mounted on a side plate, and a strip hole for fixing the busbar is formed in the side plate. The busbar movably connected to the side plate is convenient to be in butt joint with the negative pressure pipelines of the formation machines with different structures and positions after the positions are adjusted.

Preferably, the base plate is provided with a positioning structure for positioning the frame assembly on the formation station. The positioning structure is convenient for the cleaning device to be accurate in position on the formation station of the formation machine, and the cleaning device is prevented from deflecting.

Preferably, the docking structure is a docking hole penetrating the bus bar up and down. The butt joint perforation simple structure runs through the busbar from top to bottom also can make the washing liquid communicate from top to bottom fast, and its structure sets up easily, butt joint convenient and fast.

Preferably, the top surface of the busbar is provided with a sinking groove corresponding to each butt joint hole, and the orifice of each butt joint hole is positioned on the bottom surface of the sinking groove. The arrangement of the sinking groove can increase the tightness of the butt joint perforation and the butt joint of the negative pressure pipeline of the formation machine, so that the negative pressure pipeline of the formation machine is conveniently inserted into the sinking groove for butt joint, and the gap and liquid leakage of the butt joint can be prevented.

Drawings

FIG. 1 is a schematic view of a first view angle structure of a negative pressure pipeline cleaning device of a chemical forming machine in embodiment 1;

FIG. 2 is a schematic view of a second view angle structure of the negative pressure pipeline cleaning device of the chemical forming machine in the embodiment 1;

FIG. 3 is a bottom view of the negative pressure pipe cleaning apparatus of the chemical forming machine according to the embodiment 1 of the present utility model;

FIG. 4 is a front view of a negative pressure pipeline cleaning device of a chemical forming machine in embodiment 1;

fig. 5 is a top view of the negative pressure pipeline cleaning device of the chemical forming machine in embodiment 1 provided by the utility model.

Reference numerals illustrate:

1. a busbar; 2. butting and perforating; 3. a draft tube; 4. a manifold; 5. driving a pump; 6. a liquid storage tank; 7. a trigger device; 8. a control switch; 9. a delay energizing relay; 10. timing power-off relay; 11. a conductive block; 12. a frame assembly; 13. a bottom plate; 14. a side plate; 15. a slit hole; 16. screwing the switch; 17. a connecting conduit; 18. sinking grooves; 19. and positioning holes.

Detailed Description

The present utility model is described in further detail below with reference to examples.

The utility model provides a specific embodiment 1 of a negative pressure pipeline cleaning device of a chemical forming machine, which comprises the following components:

the formation machine negative pressure pipeline cleaning device in the embodiment is provided with the independent butt joint structure on the busbar, so that the negative pressure pipelines of the formation machine can be directly connected with the formation machine negative pressure pipelines in a one-to-one correspondence manner when the formation machine negative pressure pipelines are cleaned, the formation machine negative pressure pipeline cleaning device is applicable to formation machine structures with connecting rows in the prior art, is also applicable to the butt joint structure of the independent negative pressure cups, and the busbar can be respectively led into corresponding negative pressure pipelines by the collecting pipes connected on the butt joint structure after being quickly butted with the formation machine negative pressure pipelines. During cleaning, the driving pump is controlled to control the circulation of the cleaning liquid in the collecting pipe, the liquid storage tank connected to the driving pump can store the cleaning liquid and recover the cleaning liquid in the negative pressure pipeline after the driving pump drives the cleaning liquid to clean, so that the butt joint and cleaning of various negative pressure pipelines and the negative pressure pipeline of the formation machine in the embodiment are realized.

Specifically, as shown in fig. 1 to 5, the negative pressure pipeline cleaning device of the formation machine is located on the frame component 12 at the outermost side of the device, the frame component 12 is not only used for enabling the cleaning device to be stably installed on the negative pressure formation machine, but also capable of integrally assembling the busbar 1, the driving pump 5 and other structures into the negative pressure formation machine, the frame component 12 comprises a rectangular metal bottom plate 13, a positioning structure is arranged on the bottom plate 13, the positioning structure is specifically positioning holes 19 arranged on four corners of the bottom plate 13, and the four positioning holes 19 are used for being matched with positioning pins on a negative pressure formation station of the formation machine, so that the accurate and stable positions of the cleaning device in a material loading port of the formation machine, a stacking machine and the formation machine are ensured. The frame assembly 12 in this embodiment further includes two metal side plates 14 welded at opposite ends of the bottom plate 13 and vertically connected to the bottom plate 13, where the heights of the two side plates 14 are completely identical, and the busbar 1 and the busbar 4 are supported and fixed by the two side plates 14, so that the busbar 1 can be kept at the same horizontal height parallel to the plate surface of the bottom plate 13, which ensures the parallelism of the busbar 1 relative to the formation machine, and the parallelism is high, which is beneficial to quick pressure maintaining of each negative pressure pipeline of the formation machine.

As shown in fig. 1 and 2, the cleaning device in this embodiment includes a liquid storage tank 6 and a driving pump 5 disposed in a frame assembly 12, the liquid storage tank 6 is a rectangular tank structure, and is fixed at a central position on a bottom plate 13, the liquid storage tank 6 is used for containing cleaning liquid for cleaning a negative pressure pipeline, wherein handles are further disposed on two sides of the liquid storage tank 6, and the handles are used for carrying and installing the liquid storage tank 6. One side of the liquid storage tank 6 is extended with a connecting pipe, the driving pump 5 is arranged on one side of the liquid storage tank 6 and is used for being communicated with the connecting pipe, and the driving pump 5 is used for extruding the medium in the liquid storage tank 6 through the connecting pipe. As shown in fig. 5, the driving pump 5 is provided with connecting pipes 17 extending outwards in addition to the connecting pipes connected to the liquid storage tank 6, and the other ends of the two connecting pipes 17 are respectively communicated with the corresponding collecting pipes 4.

In this embodiment, the driving pump 5 is a pump customized by special corrosion-resistant materials, and meanwhile, the pump body has a function of unidirectional pressurization and bidirectional circulation, so that the pressurization is convenient to send the cleaning liquid into the two collecting pipes 4, the cleaning liquid enters the negative pressure pipeline of the chemical forming machine through the collecting pipe 1, and the cleaning liquid can be smoothly recovered after the cleaning is completed.

As shown in fig. 1 and 2, the busbar 1 in the cleaning device of the present embodiment is disposed at the top of the frame assembly 12, the extension direction of the busbar 1 is the same as the length direction of the frame assembly 12, and both ends of the busbar 1 in the present embodiment are detachably fixed to the side plates 14 by bolts. Wherein, the both ends of busbar 1 all are equipped with the notch structure that can overlap joint at curb plate 14 top, are equipped with the screw hole that the level extends on the cell wall of notch, still are equipped with the rectangular hole 15 that corresponds with the screw hole on the curb plate 14 simultaneously, and busbar 1 can slide along curb plate 14 at the top of curb plate 14, and after adjusting it and formation machine negative pressure pipeline position correspondence, wear to adorn fixing bolt and pass the slot hole and stretch into the assigned position that the screw hole was fixed busbar 1 on curb plate 14 in rectangular hole 15.

In this embodiment, two bus bars 1 are provided, and the two bus bars 1 are parallel to each other and are detachably assembled on the top of the side plate 14, so it can be seen from fig. 1 and fig. 2 that two elongated holes 15 arranged in a collinear manner are provided on the top of the same side plate 14, and each elongated hole 15 corresponds to one bus bar 1. In this embodiment, the bus bar 1 is a square long bar block, the butt joint structure on the bus bar 1 is butt joint holes 2 penetrating the bus bar 1 vertically and uniformly and alternately arranged, the bus bar 1 is uniformly and correspondingly and fixedly provided with independent downward extending draft tubes 3 at the lower end ports of the butt joint holes 2, and each draft tube 3 extends downward and finally bends and extends to the horizontally extending draft tube 4.

In this embodiment, the manifold 4 has a circular tube structure which is arranged parallel to the bottom plate 13 and the bus bar 1 and communicates with the inside. Wherein, be equipped with two manifolds 4 in the belt cleaning device, the same end of two manifolds 4 is directly through the connecting pipe intercommunication, and one of them manifold 4 of the other end is through the connecting pipe 17 that stretches out on the driving pump 5 and driving pump 5 intercommunication. When cleaning, the cleaning liquid in the liquid storage tank 6 can be pumped out by starting the driving pump 5, the cleaning liquid enters the collecting pipe 4 through the connecting conduit 17, then enters the butt joint holes 2 on the collecting pipe 1 upwards one by one through the vent pipe 3 on the collecting pipe 4, and finally enters the negative pressure pipeline of the chemical forming machine which is in butt joint with the cleaning device through the top orifice of the butt joint holes 2 for cleaning. In this embodiment, in order to keep the connection of the negative pressure pipeline at the top opening of the butt joint hole 2 sealed, as shown in fig. 1, a sink 18 is provided on the top surface of the busbar 1, and the opening of the butt joint hole 2 is located on the bottom surface of the sink 18.

In this embodiment, the negative pressure pipeline of the formation machine for docking with the cleaning device may be an independent negative pressure cup, or may be an integral docking row or pressing cabinet existing in the prior art, where the formation machine pressing cabinet includes negative pressure suction nozzles (docking row) arranged in rows and conductive probes with positive and negative electrodes, and after the negative pressure pipeline of the formation machine is pressed down, the negative pressure suction nozzles can be inserted into the sink 18 and form a sealing state with the top openings of the docking holes 2, so as to ensure that the cleaning liquid smoothly enters the negative pressure pipeline. The top orifice of the butt joint perforation 2 constitutes the liquid inlet. In this embodiment, as shown in fig. 4, a screwing switch 16 is further disposed on the tube body below the busbar 1 of each vertically extending draft tube 3, when an individual negative pressure cup is cleaned, the draft tube 3 at the butt joint hole 2 butt-jointed with the negative pressure cup can be opened independently, the screwing switch 16 at other draft tubes 3 is closed, cleaning of the individual negative pressure cup is achieved, and the communication number of the negative pressure suction nozzle can be regulated and controlled at will.

In this embodiment, in order to utilize the conductive probe on the formation machine to conduct electricity to control the driving pump 5 by using the circuit in the formation machine when the negative pressure pipeline of the formation machine is pressed down, as shown in fig. 1 and 2, the cleaning device further includes a control component, and the control component includes a control switch 8 electrically connected with the driving pump 5, and further includes a trigger device 7 for triggering cooperation with the formation machine to close the control switch 8 when the negative pressure pipeline of the formation machine is moved down. As shown in fig. 4, the control switch 8 comprises a delay relay arranged between the trigger device 7 and the driving pump 5, the delay relay is provided with two delay relays, the delay relay comprises a delay power-on relay 9 and a timing power-off relay 10, a group of delay power-on and a group of timing power-off are respectively provided, and the control execution pump is controlled to convey cleaning liquid and recycle the cleaning liquid by setting delay time, so that automatic cleaning of a pipeline when a circuit is conducted is realized, and cleaning time can be freely controlled. The trigger device 7 is integrally fixed on the top of one side plate 14, the position of the trigger device is located between two bus bars 1, the trigger device 7 comprises conductive blocks 11 which are used for corresponding to positive and negative conductive probes in a formation machine and are respectively inserted and matched in a conductive manner when the positive and negative conductive probes are pressed down, and the conductive blocks 11 are specifically square conductive copper blocks. After the formation machine drives the conductive probe to press down, the conductive block 11 on the trigger device 7 is connected with the conductive probe, and the formation machine can conduct the formation machine circuit to the control switch 8 and the driving pump 5, so that the delay relay of the control switch 8 starts timing and subsequently controls the driving pump 5 to work, no additional power supply is needed, the internal circuit of the tool is simplified, and the cost of the tool is reduced. Of course, when cleaning the separate negative pressure cup, an additional control circuit may be connected to the drive pump to perform conduction control.

The use and cleaning process of the complete cleaning device are described by the cleaning operation of the negative pressure pipeline cleaning device of the formation machine in the formation machine:

firstly, placing the cleaning device at a workpiece feeding port of a formation machine, and positioning by using a positioning hole 19 on a bottom plate 13 to ensure the position of the cleaning device to be accurate; after the stacker carries the cleaning device into a storage position of the formation machine, after a formation machine sensor senses that the cleaning device is in place, a formation machine negative pressure pipeline moves downwards, the liquid discharge ports of two bus bars 1 at the top of the cleaning device are pressed by a negative pressure suction nozzle to form a sealing state, and meanwhile, a formation machine conductive probe transmits a power supply to a control switch 8 and a driving pump 5 through a trigger device 7; after the cleaning device is powered on, in order to ensure stable operation, the cleaning device is started through a delay power-on relay 9 of a control switch 8, and then the driving pump 5 is started after 5S; then driving the pump 5 to work to pump the cleaning liquid out of the liquid storage tank 6, pressing the cleaning liquid into a negative pressure suction nozzle through a liquid injection port, then flowing into a negative pressure pipeline of a formation machine, filling negative pressure formation structures such as an electrolyte buffer cup, the negative pressure pipeline and the like, starting a timing power-off relay 10 at the same time, driving a pump body of the pump 5 to lose electricity, preventing the cleaning liquid from being pressed into the negative pressure pipeline of the formation machine, starting a negative pressure maintaining function of the formation machine, keeping the cleaning liquid to stand in the negative pressure pipeline (the time can be set according to actual conditions), and dissolving the negative pressure pipeline blocked by crystallization until the cleaning is completed; after the cleaning is finished, negative pressure is canceled in a vacuum breaking mode, and under the action of gravity, cleaning liquid passes through a liquid injection port through a pipeline and a negative pressure suction nozzle and then flows back into the liquid storage tank 6 through a driving pump 5 with unidirectional pressurization and bidirectional circulation. After the cleaning liquid flows back to the liquid storage tank 6, the formation machine moves upwards, the conductive probe leaves the conductive block 11, the cleaning device is powered off, and the stacker conveys the cleaning device to the next warehouse; the actions are repeated, and the purpose of automatically cleaning the negative pressure pipeline of the chemical forming machine is achieved.

The specific embodiment 2 of the negative pressure pipeline cleaning device of the chemical forming machine provided by the utility model comprises the following components:

the difference from embodiment 1 is that in this embodiment, the docking structure is a docking pipe extending up and down through the bus bar. In other embodiments, the docking structure may be a different structure such as a suction nozzle, an elbow, etc.

The specific embodiment 3 of the negative pressure pipeline cleaning device of the chemical forming machine provided by the utility model comprises the following components:

the difference from embodiment 1 is that in this embodiment, the control switch is a conventional conductive switch, and the direct power-on starts to work and the power-off is turned off. Alternatively, in other embodiments, a control switch electrically connected to the chemical-mechanical system may not be provided, and a separate control switch may be provided only on the drive pump. In other different embodiments, the number and types of the delay relays can be also allocated, and the delay relays can be replaced by delay trigger switches

The specific embodiment 4 of the negative pressure pipeline cleaning device of the chemical forming machine provided by the utility model comprises the following components:

in this embodiment, the trigger device may be a trigger button or a trigger sensor, and when triggered, the trigger device drives the control switch to act, and the control switch may be an independent structure that is separately connected to power. Alternatively, in other embodiments, the control assembly may be a circuit structure that independently controls the on and off of the drive pump, and does not trigger the movement of the chemical forming machine.

The utility model provides a concrete embodiment 5 of a negative pressure pipeline cleaning device of a chemical forming machine, which comprises the following components:

the difference from embodiment 1 is that in this embodiment, the trigger device may also be a conductive probe, or the trigger device may be a conductive plug or a conductive socket.

The utility model provides a specific embodiment 6 of a negative pressure pipeline cleaning device of a chemical forming machine, which comprises the following components:

the difference from embodiment 1 is that in this embodiment, the frame assembly may be replaced with a box-type structure. Alternatively, the structure and orientation of the bottom and side panels in the frame structure may be varied.

The utility model provides a specific embodiment 7 of a negative pressure pipeline cleaning device of a chemical forming machine, which comprises the following components:

the difference from embodiment 1 is that in this embodiment, the manner in which the bus bar is movably mounted on the side plate may also be changed, for example, a plurality of through holes are provided on the side plate at intervals, and the positions of the bus bar are adjusted by adjusting the corresponding positions of the different through holes and the threaded holes. In other embodiments, the two ends of the busbar may also be slidably mounted on the side plates.

The utility model provides a specific embodiment 8 of a negative pressure pipeline cleaning device of a chemical forming machine, which comprises the following components:

the difference from embodiment 1 is that in this embodiment, the positioning structure on the base plate may also be a positioning protrusion or a positioning pin, and the position of the positioning structure may also be adjusted according to the different stations of the chemical-mechanical polishing machine, for example, the positioning structure is disposed at the middle edge of the base plate.

The utility model provides a specific embodiment 9 of a negative pressure pipeline cleaning device of a chemical forming machine, which comprises the following components:

the difference from embodiment 1 is that in this embodiment, the sinking grooves on the busbar are not communicated with each other, and each butt joint hole has an independent sinking groove corresponding to each other, so as to be in sealing butt joint with the negative pressure suction nozzle, although in other embodiments, the sinking grooves may be omitted.

It should be noted that the above-mentioned embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments, but may be modified without inventive effort or equivalent substitution of some of the technical features thereof by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The device is characterized by comprising bus bars (1) for butt-jointing the negative pressure pipelines of the formation machine, wherein the bus bars (1) are provided with butt-jointing structures which are arranged at intervals and are used for butt-jointing and communicating with the negative pressure pipelines of the formation machine, and the device also comprises through flow pipes (3) with one ends communicated with the butt-jointing structures one by one and bus pipes (4) with the other ends communicated with the through flow pipes (3); the negative pressure pipeline cleaning device of the formation machine further comprises a liquid storage tank (6) for storing cleaning liquid and a driving pump (5) for pumping the cleaning liquid in the liquid storage tank (6) to the collecting pipe (4).

2. The negative pressure pipeline cleaning device of a chemical forming machine according to claim 1, characterized in that the negative pressure pipeline cleaning device of the chemical forming machine further comprises a control assembly, the control assembly comprises a control switch (8) electrically connected with the driving pump (5), and the control assembly further comprises a trigger device (7) for being triggered and matched with the chemical forming machine to enable the control switch (8) to be closed when the negative pressure pipeline of the chemical forming machine moves downwards.

3. The negative pressure pipeline cleaning device of a chemical forming machine according to claim 2, characterized in that the control switch (8) comprises a delay relay connected between the trigger device (7) and the driving pump (5).

4. A chemical-mechanical negative pressure pipeline cleaning device according to claim 3, characterized in that at least two delay relays are provided, including a delay power-on relay (9) and a timing power-off relay (10).

5. The negative pressure pipeline cleaning device of the formation machine according to claim 2, 3 or 4, wherein the trigger device (7) comprises a conductive block (11) for being respectively connected with a positive electrode conductive probe and a negative electrode conductive probe in the formation machine in a plugging manner.

6. The negative pressure pipeline cleaning device of the chemical forming machine according to any one of claims 1 to 4, wherein the cleaning device comprises an external frame assembly (12), the frame assembly (12) comprises a bottom plate (13) and two side plates (14) vertically connected with the bottom plate (13), and the busbar (1) and the collecting pipe (4) are erected and fixed on the two side plates (14).

7. The negative pressure pipeline cleaning device of the chemical forming machine according to claim 6, wherein the busbar (1) is movably arranged on a side plate (14), and a strip hole (15) for fixing the busbar (1) is arranged on the side plate (14).

8. The negative pressure pipeline cleaning device of the formation machine according to claim 6, wherein a positioning structure for positioning the frame assembly (12) on the formation station is arranged on the bottom plate (13).

9. The negative pressure pipeline cleaning device of the chemical looping machine according to any one of claims 1 to 4, wherein the butt joint structure is a butt joint through hole (2) penetrating through the busbar (1) up and down.

10. The negative pressure pipeline cleaning device of the chemical forming machine according to claim 9, wherein the top surface of the busbar (1) is provided with a sinking groove (18) corresponding to each butt joint through hole (2), and the orifice of the butt joint through hole (2) is positioned on the bottom surface of the sinking groove (18).