CN217507435U - Electricity core hot pressing equipment - Google Patents

Abstract

The utility model relates to the field of cell processing, and discloses a cell hot-pressing device, which comprises a hot-pressing device, wherein the hot-pressing device comprises a lower hot-pressing die, and the lower hot-pressing die is provided with a bearing plane for bearing a workpiece to be hot-pressed; the conveying device is used for driving the lower hot-pressing die to move along a preset path so that the lower hot-pressing die can sequentially move to a feeding station, a hot-pressing station and a discharging station, and the hot-pressing station is positioned between the feeding station and the discharging station; the first mechanical arm comprises a clamping jaw device, and the clamping jaw device is used for grabbing the workpiece to be hot-pressed to the bearing plane at the feeding station and regularly aligning the workpiece to be hot-pressed on the whole preset path. The electric core hot pressing equipment of this embodiment can effectively reduce the centre gripping number of times of manipulator to electric core, avoids the centre gripping many times of manipulator to lead to electric core physical property damage to appear, can effectively promote the production yield of electric core.

Description

Electricity core hot pressing equipment

Technical Field

The utility model relates to an electricity core processing field especially relates to an electricity core hot pressing equipment.

Background

At present, lithium ion batteries have the advantages of high voltage, large energy density, long cycle life, small self-discharge, wide working temperature range, safety, environmental protection and the like, and are widely applied to various devices such as industry, civil use, energy storage and the like.

In the production process of the lithium ion battery, the positive pole piece, the negative pole piece and the diaphragm are required to be combined into a naked battery core, the problems of deformation, diaphragm wrinkle and the like easily occur to the loose naked battery core which is produced, and the problems not only affect the quality of the battery, but also affect the subsequent shell entering process. In the present electric core production process, in order to improve the roughness of the naked electric core of lithium ion battery, make electric core thickness reach the requirement, eliminate the diaphragm fold simultaneously, discharge electric core inside air makes diaphragm and positive and negative pole piece closely laminate, need carry out hot pressing plastic to naked electric core.

The existing hot-pressing equipment comprises an upper hot-pressing die, a lower hot-pressing die and a conveying device. In the process of carrying out hot pressing to electric core, the action of getting electric core by the manipulator clamp of at least quartic need be carried out, and the manipulator takes electric core from the commodity circulation fastener to material loading location transfer platform promptly, and the manipulator presss from both sides electric core from material loading location transfer platform and gets to the hot pressing lower mould in order to accomplish the material loading, the manipulator press from both sides electric core from the hot pressing lower mould and get to unloading location transfer platform on in order to accomplish the ejection of compact and manipulator and shift electric core to the material line on with unloading location transfer platform.

In the process, the hot pressing equipment at least needs to perform actions of clamping the battery cell by the manipulator for four times, so that the battery cell is easily damaged due to physical damages such as collision and the like, and the battery cell is scrapped.

In view of this, it is desirable to design a cell hot-pressing apparatus, which reduces the number of times that a cell is clamped, and improves the yield of cell production.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electricity core hot pressing equipment reduces electric core and is got the number of times by the clamp, promotes electric core production yield.

To achieve the purpose, the utility model adopts the following technical proposal:

a cell hot pressing apparatus, comprising:

the hot pressing device comprises a hot pressing lower die, and the hot pressing lower die is provided with a bearing plane for bearing a workpiece to be hot pressed;

the conveying device is used for driving the lower hot-pressing die to move along a preset path so that the lower hot-pressing die can sequentially move to a feeding station, a hot-pressing station and a discharging station, and the hot-pressing station is positioned between the feeding station and the discharging station;

the first mechanical arm comprises a clamping jaw device, and the clamping jaw device is used for grabbing the workpiece to be hot-pressed to the bearing plane at the feeding station and regularly aligning the workpiece to be hot-pressed on the whole preset path.

Preferably, the clamping jaw device is provided with a positioning device, the positioning device comprises a first clamping component and a second clamping component, and the first clamping component and the second clamping component are respectively arranged on two opposite sides of the clamping jaw device; the first clamping assembly and the second clamping assembly respectively comprise a transverse cylinder fixedly connected with the clamping jaw device, a vertical cylinder arranged on a telescopic shaft of the transverse cylinder and a positioning clamping plate arranged on the vertical cylinder;

the two transverse air cylinders are electrically connected with each other, and the two positioning clamping plates can be driven to synchronously move towards each other so as to position the workpiece on the bearing plane, so that the workpieces to be hot-pressed can be regularly aligned.

Preferably, the cell hot-pressing equipment further comprises a cleaning device;

the cleaning device is arranged on one side of the top of the hot-pressing lower die and used for cleaning the bearing plane when the hot-pressing lower die passes through the cleaning device.

Preferably, the conveying device comprises a conveying slide rail parallel to the bearing plane and a driving device for driving the hot-pressing lower die to move along the conveying slide rail;

the hot pressing lower die is slidably mounted on the conveying slide rail, and the driving device can drive the hot pressing lower die to move to the feeding station, the hot pressing station or the discharging station.

Preferably, the cleaning device comprises a cleaning brush and a lifting device for driving the cleaning brush to descend to a set cleaning height;

when the cleaning brush is located at a set height, the lowest point of the cleaning brush is lower than the bearing plane.

Preferably, the cleaning brush is located between the hot pressing station and the blanking station.

Preferably, the cleaning device further comprises a vacuum device;

the vacuum pumping device comprises a vacuum suction head used for sucking impurity particles on the bearing plane, and the vacuum suction head is positioned between the cleaning brush and the blanking station.

Preferably, the electric core hot-pressing equipment further comprises a hot-pressing upper die, the hot-pressing upper die is arranged on one side of the top of the conveying slide rail, and the hot-pressing upper die can be driven to be matched with the hot-pressing lower die on the hot-pressing station.

Preferably, the blanking device comprises a second mechanical arm for moving away the workpiece at the blanking station, the second mechanical arm is provided with a telescopic device, a telescopic shaft of the telescopic device is provided with a connecting support, and the connecting support is provided with a vacuum chuck for adsorbing the workpiece;

the second mechanical arm is also provided with a positioning mechanism for positioning a workpiece, the positioning mechanism comprises a first positioning cylinder positioned on one side of the conveying slide rail, a first positioning clamp plate arranged on a telescopic shaft of the first positioning cylinder, a second positioning cylinder positioned on the other side of the conveying slide rail and a second positioning clamp plate arranged on a telescopic shaft of the second positioning cylinder, and the first positioning clamp plate is parallel to the second positioning clamp plate;

still be provided with the third location splint on the linking bridge, be used for the drive the third location splint to the first tight drive arrangement of clamp, the fourth location splint that the work piece removed and be used for the drive the fourth location splint to the tight drive arrangement of second clamp that the work piece removed, just the third location splint with the fourth location splint branch is located the relative both sides of vacuum chuck.

Preferably, the cleaning device comprises a cleaning roller and a lifting device for driving the cleaning roller to descend to a set cleaning height;

when the cleaning roller is positioned at a set height, the lowest point of the cleaning roller is lower than the bearing plane; when the hot-pressing lower die passes through the cleaning device, the cleaning roller is abutted against the bearing plane and rolls along the bearing plane.

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

in the cell hot-pressing equipment of the embodiment, the first mechanical arm places the workpiece on the hot-pressing lower die through the clamping jaw device, the positioning device performs regular alignment on the workpiece to realize positioning, and then the hot-pressing upper die is driven by the conveying device to move from the feeding station to the hot-pressing station; after electric core accomplished the hot pressing, the mould drives electric core and removes to the unloading station from the hot pressing station in hot pressing under conveyor's drive on the hot pressing, in above-mentioned hot pressing in-process, electric core shifts to the hot pressing station from the material loading station, and shift to ejection of compact station engineering from the hot pressing station, all need not to set up the manipulator and press from both sides and put, the number of times of getting is carried out to the platform from transferring in addition still having reduced, the number of times is got to the quilt clamp that has further reduced electric core, can effectively avoid electric core to press from both sides the in-process physical property damage that appears, thereby can effectively promote the production yield of electric core.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

The structure, proportion, size and so on shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions of the present invention, so that the present invention does not have the essential significance in the technology, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.

Fig. 1 is a schematic perspective view of a cell hot-pressing apparatus provided in an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of position A of FIG. 1;

fig. 3 is a schematic side view of a cell hot-pressing apparatus provided in an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of position B of FIG. 3;

fig. 5 is another schematic view of a downward three-dimensional structure of a cell hot-pressing device provided in an embodiment of the present invention.

Illustration of the drawings: 1. a hot pressing device; 101. a load bearing plane; 11. hot-pressing the lower die; 12. hot-pressing the upper die; 2. a conveying device; 21. a conveying slide rail; 22. a drive device; 3. a cleaning device; 31. a cleaning brush; 32. a lifting device; 41. a first robot arm; 42. a jaw arrangement; 5. a blanking device; 51. a second mechanical arm; 52. a telescoping device; 53. a vacuum chuck; 54. a first positioning splint; 55. a second positioning splint; 56. a third positioning splint; 57. a fourth positioning splint; 6. a positioning device; 61. a first clamping assembly; 62. a second clamping assembly; 601. a transverse cylinder; 602. a vertical cylinder; 603. and (5) positioning the splint.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment of the utility model provides an electricity core hot pressing equipment can effectively reduce the probability that physical damage appears in electric core, promotes electric core production yield. In addition, the electric core hot-pressing equipment can also effectively clean substances such as carbon powder, diaphragm powder and the like on the hot-pressing lower die 11 in time, so that the hot-pressing quality of the electric core is guaranteed.

Referring to fig. 1 to 4, the cell hot-pressing apparatus includes a hot-pressing device 1, a conveying device 2, and a first mechanical arm 41.

The hot pressing device 1 comprises a lower hot pressing die 11, and the lower hot pressing die 11 is provided with a bearing plane 101 for bearing a workpiece to be hot pressed.

The conveying device 2 is used for driving the hot-pressing lower die 11 to move along a preset path, so that the hot-pressing lower die 11 can sequentially move to the feeding station, the hot-pressing station and the discharging station, and the hot-pressing station is located between the feeding station and the discharging station.

The first mechanical arm 41 comprises a clamping jaw device 42, the clamping jaw device 42 is arranged on the whole preset path, and the clamping jaw device 42 is used for grabbing the workpiece to be hot-pressed to the bearing plane 10 at the feeding station and regularly aligning the workpiece to be hot-pressed.

Specifically, hot pressing lower mould 11 can be along predetermineeing the route removal under conveyor 2's drive to will treat that hot pressing electricity core removes to the hot pressing station from the material loading station, after treating hot pressing electricity core and accomplishing the hot pressing, hot pressing lower mould can drive electric core and remove to the unloading station from the hot pressing station under conveyor 2's drive. Obviously, clamping jaw device 42 is used for at the material loading station will treat that hot pressing work piece snatchs to load-bearing plane 10 and treats that hot pressing work piece carries out regular alignment, electric core shifts to the hot pressing station from the material loading station, and shift to ejection of compact station engineering from the hot pressing station and all need not the manipulator to press from both sides and get electric core, can effectively reduce the manipulator and press from both sides and get, place the number of times of electric core, thereby can effectively reduce electric core and be pressed from both sides the probability of hindering or being bruised, avoid electric core too big physical damage to appear, thereby can effectively promote the production yield of electric core.

It should be added that the workpiece does not need to pass through the positioning transfer platform, but the positioning device 6 on the clamping jaw device 42 is used for finishing regular alignment of the workpiece to realize positioning, so that the times of clamping the workpiece are further reduced.

Optionally, a positioning device 6 is arranged on the clamping jaw device 42, the positioning device 6 includes a first clamping assembly 61 and a second clamping assembly 62, and the first clamping assembly 61 and the second clamping assembly 62 are respectively arranged on two opposite sides of the clamping jaw device 42; the first clamping assembly 61 and the second clamping assembly 62 both comprise a transverse air cylinder 601 fixedly connected with the clamping jaw device 42, a vertical air cylinder 602 mounted on a telescopic shaft of the transverse air cylinder, and a positioning clamping plate 603 mounted on the vertical air cylinder;

the two transverse cylinders 601 are electrically connected with each other, and the two positioning clamping plates can be driven to synchronously move in opposite directions so as to position the workpiece on the bearing plane 101, so that the workpiece to be hot-pressed can be regularly aligned, the workpiece can be positioned, and other mechanical hands or positioning devices are not required to clamp and position.

Specifically, a first robot arm 41 and a gripper device 42 are provided to grip a workpiece to be hot-pressed onto the bearing plane 101 of the lower hot-pressing die 11 of the loading station. After the workpiece to be hot-pressed is placed on the bearing plane 101, the two transverse cylinders 601 synchronously move to clamp and position the workpiece to be hot-pressed. At this time, after the positioning of the workpiece to be hot-pressed is completed, the two positioning clamping plates 603 loosen the workpiece to be hot-pressed and are driven to ascend; then, the hot pressing lower die 11 drives the workpiece to be hot pressed to move to the hot pressing station.

In a specific embodiment, the cell hot-pressing equipment further includes a cleaning device 3, and the cleaning device 3 is disposed on a top side of the hot-pressing lower die 11 and is used for cleaning the bearing plane 101 when the hot-pressing lower die 11 passes through the cleaning device 3.

Specifically, hot pressing lower mould 11 removes the in-process along predetermineeing the route, and cleaning device 3 will clear away impurity on the hot pressing lower mould 11 to make bearing plane 101 keep clean and tidy, electric core presses on impurity when avoiding the material loading, thereby causes the hot pressing bad. It should be further noted that the cleaning device 3 may be a contact type cleaning device, such as a cleaning brush or a sponge, when the hot-pressing lower die 11 passes through the cleaning device 3, the cleaning brush or the sponge abuts against the bearing plane 101, and during the hot-pressing lower die 11, the impurities on the bearing plane 101 are swept away by the cleaning brush or the sponge; alternatively, the cleaning device 3 may be a non-contact type cleaning device, for example, including an air nozzle, and when the lower hot-press die 11 passes through the cleaning device 3, the air nozzle purges the bearing plane 101 or the vacuum suction head sucks impurities on the bearing plane 101, so as to clean the impurities on the bearing plane 101.

Optionally, the conveying device 2 includes a conveying slide rail 21 parallel to the bearing plane 101 and a driving device 22 for driving the hot pressing lower die 11 to move along the conveying slide rail 21;

the hot-pressing lower die 11 is slidably mounted on the conveying slide rail 21, and the driving device 22 can drive the hot-pressing lower die 11 to move to a feeding station, a hot-pressing station or a discharging station.

At this time, the preset path is a linear movement along the conveying slide 21. After the hot-pressing lower die 11 moves to the feeding station, clamping the battery cell to be hot-pressed onto the bearing plane 101 of the hot-pressing lower die 11; after the hot pressing lower die 11 moves to a hot pressing station, the hot pressing upper die 12 and the hot pressing lower die 11 can be matched to finish hot pressing of the workpiece to be hot pressed; and after the hot pressing lower die 11 moves to the blanking station, removing the workpiece subjected to hot pressing.

In a specific embodiment, the cleaning device 3 includes a cleaning brush 31 and a lifting device 32 for driving the cleaning brush 31 to descend to a set cleaning height;

when the cleaning brush 31 is located at the set height, the lowest point of the cleaning brush 31 is lower than the bearing plane 101, and the cleaning brush 31 is located between the hot pressing station and the blanking station.

When the hot pressing lower die 11 is driven to move from the blanking station to the hot pressing station, the lifting device 32 drives the cleaning brush 31 to descend to a set cleaning height.

Specifically, when the hot pressing lower die 11 is driven to move from the blanking station to the hot pressing station, the hot pressing workpiece is removed, and only carbon powder, diaphragm powder and other impurities remain on the bearing plane 101, which is the best time for cleaning the bearing plane 101. The cleaned hot-pressing lower die 11 returns to the feeding station through the hot-pressing station, and then is fed at the feeding station.

Optionally, the cleaning device 3 further comprises a vacuum device;

the vacuum-pumping device comprises a vacuum suction head for sucking the foreign particles on the bearing plane 101, and the vacuum suction head is positioned between the cleaning brush 31 and the blanking station.

Specifically, there are two cleaning processes, that is, the vacuum suction head first cleans the bearing plane 101 of impurities for the first time, and then the cleaning brush 31 cleans the bearing plane 101 for the second time, so that the bearing plane 101 is cleaned more cleanly. It is worth saying that the vacuum suction head can suck most of dust and particles away, so that dust generated in the subsequent cleaning process of the cleaning brush 31 can be effectively reduced, and the production site is kept clean and tidy.

Optionally, the electric core hot-pressing device further includes a hot-pressing upper die 12, the hot-pressing upper die 12 is disposed on one side of the top of the conveying slide rail 21, and the hot-pressing upper die 12 can be driven to be matched with the hot-pressing lower die 11 on the hot-pressing station.

It should be added that the hot-pressing upper die 12 is provided with a hot-pressing cavity matched with the workpiece to be hot-pressed so as to position the workpiece to be hot-pressed.

Optionally, the battery cell hot-pressing device further includes a discharging device 5, the discharging device 5 includes a second mechanical arm 51 for moving away a workpiece at the discharging station, a telescopic device 52 is installed on the second mechanical arm 51, and a vacuum chuck 53 for adsorbing the workpiece is installed on a telescopic shaft of the telescopic device 52.

Specifically, the telescopic shaft of the telescopic device 52 is extended, then the vacuum chuck 53 is attached to the workpiece and adsorbs the workpiece, and then the second robot arm 51 is operated to suck away the workpiece on the hot press lower die 11 located at the blanking station. In this embodiment, suck away through vacuum chuck 53, reduced and got the number of times of getting the work piece, be favorable to avoiding the work piece to receive the damage because of colliding with.

It should be noted that the telescopic shaft of the telescopic device 52 is provided with a connecting bracket, and the vacuum chuck 53 is mounted at the bottom of the connecting bracket. The connecting support is also provided with a clamping and positioning device for positioning the workpiece, and two opposite sides of the conveying slide rail 21 are provided with positioning mechanisms for positioning the workpiece which is subjected to hot pressing.

The positioning structure comprises a first positioning cylinder positioned on one side of the conveying slide rail 21, a first positioning clamping plate 54 arranged on a telescopic shaft of the first positioning cylinder, a second positioning cylinder positioned on the other side of the conveying slide rail 21 and a second positioning clamping plate 55 arranged on a telescopic shaft of the second positioning cylinder, and the first positioning clamping plate 54 and the second positioning clamping plate 55 are parallel to each other. The clamping and positioning device comprises a third positioning clamping plate 56, a first clamping driving device for driving the third positioning clamping plate 56 to approach a workpiece, a fourth positioning clamping plate 57 and a second clamping driving device for driving the fourth positioning clamping plate 57 to approach the workpiece; the third positioning clamp plate 56 is parallel to the fourth positioning clamp plate 57, the first positioning clamp plate 54 is perpendicular to the third positioning clamp plate 56, and the first positioning clamp plate 54, the second positioning clamp plate 55, the third positioning clamp plate 56 and the fourth positioning clamp plate 57 are all perpendicular to the bearing plane 101.

When the workpiece is driven to a blanking station by the hot-pressing lower die 11, the first positioning clamp plate and the second positioning clamp plate approach to each other to finish primary positioning of the workpiece, then the third positioning clamp plate and the fourth positioning clamp plate are driven to move in opposite directions to further position the workpiece, at the moment, four side surfaces of the workpiece are positioned, and then the vacuum chuck 53 adsorbs the workpiece; after the vacuum chuck 53 holds the workpiece, the second robot arm 51 drives the vacuum chuck 53 to move to transfer the workpiece.

It should be added that the second mechanical arm can be provided with a clamping jaw device structure for clamping the workpiece, and when the workpiece is heavy, the clamping jaw device structure can be adopted to directly clamp the workpiece, so that the workpiece is prevented from falling off in the process that the vacuum chuck 53 adsorbs the workpiece to be transferred.

In a specific embodiment, the cleaning device 3 comprises a cleaning roller and a lifting device 32 for driving the cleaning roller to descend to a set cleaning height;

when the cleaning roller is positioned at a set height, the lowest point of the cleaning roller is lower than the bearing plane 101; when the lower hot press die 11 passes through the cleaning device 3, the cleaning roller abuts against the bearing plane 101 and rolls along the bearing plane 101, so that the bearing plane 101 is cleaned.

Optionally, the cleaning device 3 comprises several gas jets for ejecting gas flows towards the bearing plane 101, the gas jets performing the cleaning of the bearing plane 101 by ejecting the gas flows.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides a electricity core hot pressing equipment which characterized in that includes:

the hot-pressing device (1) comprises a hot-pressing lower die (11), wherein the hot-pressing lower die (11) is provided with a bearing plane (101) for bearing a workpiece to be hot-pressed;

the conveying device (2) is used for driving the hot-pressing lower die (11) to move along a preset path so that the hot-pressing lower die (11) can sequentially move to a feeding station, a hot-pressing station and a discharging station, and the hot-pressing station is located between the feeding station and the discharging station;

the first mechanical arm (41) comprises a clamping jaw device (42), and the clamping jaw device (42) is used for grabbing workpieces to be subjected to hot pressing to the bearing plane (101) at the feeding station and regularly aligning the workpieces to be subjected to hot pressing on the whole preset path.

2. The cell hot pressing device according to claim 1, wherein a positioning device (6) is disposed on the clamping jaw device (42), the positioning device (6) includes a first clamping assembly (61) and a second clamping assembly (62), and the first clamping assembly (61) and the second clamping assembly (62) are respectively disposed on two opposite sides of the clamping jaw device (42); the first clamping assembly (61) and the second clamping assembly (62) respectively comprise a transverse air cylinder (601) fixedly connected with the clamping jaw device (42), a vertical air cylinder (602) installed on a telescopic shaft of the transverse air cylinder, and a positioning clamping plate (603) installed on the vertical air cylinder;

the two transverse cylinders (601) are electrically connected with each other, and the two positioning clamping plates can be driven to synchronously move towards each other so as to position the workpiece on the bearing plane (101) and orderly align the workpiece to be hot-pressed.

3. The cell hot-pressing apparatus according to claim 1, further comprising a cleaning device (3);

the cleaning device (3) is arranged on one side of the top of the lower hot-pressing die (11) and used for cleaning the bearing plane (101) when the lower hot-pressing die (11) passes through the cleaning device (3).

4. The cell hot-pressing device according to claim 1, wherein the conveying device (2) comprises a conveying slide rail (21) parallel to the bearing plane (101) and a driving device (22) for driving the hot-pressing lower die (11) to move along the conveying slide rail (21);

the hot-pressing lower die (11) is slidably mounted on the conveying slide rail (21), and the driving device (22) can drive the hot-pressing lower die (11) to move to the feeding station, the hot-pressing station or the discharging station.

5. The cell hot-pressing device according to claim 3, characterized in that the cleaning device (3) comprises a cleaning brush (31) and a lifting device (32) for driving the cleaning brush (31) to descend to a set cleaning height;

when the cleaning brush (31) is located at a set height, the lowest point of the cleaning brush (31) is lower than the bearing plane (101).

6. The cell hot-pressing device according to claim 5, characterized in that the cleaning brush (31) is located between the hot-pressing station and the blanking station.

7. The cell hot-pressing apparatus according to claim 5, characterized in that the cleaning device (3) further comprises a vacuum-pumping device;

the vacuumizing device comprises a vacuum suction head used for sucking impurity particles on the bearing plane (101), and the vacuum suction head is positioned between the cleaning brush (31) and the blanking station.

8. The battery cell hot-pressing device according to claim 4, further comprising a hot-pressing upper die (12), wherein the hot-pressing upper die (12) is disposed on one side of the top of the conveying slide rail (21), and the hot-pressing upper die (12) can be driven to be matched with the hot-pressing lower die (11) on the hot-pressing station.

9. The cell hot pressing equipment according to claim 4, further comprising a blanking device (5), wherein the blanking device (5) comprises a second mechanical arm (51) used for moving away a workpiece at a blanking station, a telescopic device (52) is mounted on the second mechanical arm (51), a connecting bracket is mounted on a telescopic shaft of the telescopic device (52), and a vacuum chuck (53) used for adsorbing the workpiece is mounted on the connecting bracket;

the second mechanical arm (51) is further provided with a positioning mechanism for positioning a workpiece, the positioning mechanism comprises a first positioning cylinder positioned on one side of the conveying slide rail (21), a first positioning clamp plate (54) arranged on a telescopic shaft of the first positioning cylinder, a second positioning cylinder positioned on the other side of the conveying slide rail (21) and a second positioning clamp plate (55) arranged on a telescopic shaft of the second positioning cylinder, and the first positioning clamp plate (54) is parallel to the second positioning clamp plate (55);

still be provided with third location splint (56), be used for the drive on the linking bridge third location splint (56) to the first tight drive arrangement of clamp, fourth location splint (57) that the work piece removed and be used for the drive fourth location splint (57) to the tight drive arrangement of second clamp that the work piece removed, just third location splint (56) with fourth location splint (57) divide and locate the relative both sides of vacuum chuck.

10. The cell hot-pressing device according to claim 3, characterized in that the cleaning device (3) comprises a cleaning roller and a lifting device (32) for driving the cleaning roller to descend to a set cleaning height;

when the cleaning roller is positioned at a set height, the lowest point of the cleaning roller is lower than the bearing plane (101); when the hot-pressing lower die (11) passes through the cleaning device (3), the cleaning roller is abutted against the bearing plane (101) and rolls along the bearing plane (101).

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