CN112141792A

CN112141792A - Stacking and conveying equipment and battery string stacking method

Info

Publication number: CN112141792A
Application number: CN202010986796.8A
Authority: CN
Inventors: 李文; 蒋小龙; 冯康
Original assignee: Wuxi Autowell Technology Co Ltd
Current assignee: Wuxi Autowell Technology Co Ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2020-12-29

Abstract

The invention discloses a stacking and conveying device and a battery string stacking method, wherein the stacking and conveying device comprises a welding strip cutting device, a guiding device, a clamping device and a conveying device which are sequentially arranged; the welding strip cutting device is used for cutting the welding strip; the conveying device is used for bearing and conveying the stacked battery plates and the welding strips; the guide device is arranged between the solder strip cutting device and the clamping device and comprises a guide main body and a moving mechanism for driving the guide main body to move; the clamping device is arranged at the end part of the conveying device facing the guide device and comprises a clamping head and a plurality of welding band clamps; the welding strip clamping device comprises a guide main body, a clamping device and a welding strip clamping device, wherein the guide main body is used for bearing the rear section part of a cut welding strip when moving to the welding strip cutting device, the guide main body and the welding strip move synchronously in the process of drawing the welding strip to move, the welding strip is received and clamped by the welding strip clamping device from the guide main body when the guide main body moves to the clamping device, and the welding strip can continuously move to a preset position of the conveying device. The technical scheme provided by the invention can ensure that the welding strips and the battery pieces are accurately stacked.

Description

Stacking and conveying equipment and battery string stacking method

Technical Field

The invention relates to the technical field of self-production of photovoltaic cells, in particular to stacking and conveying equipment and a cell string stacking method.

Background

In the production process of the photovoltaic cell string assembly, the welding strips and the cell pieces need to be stacked and welded to form the cell string.

The feeding of the solder strip is a very important link, and the accuracy of the solder strip feeding determines the quality of the components produced by the series welding machine. Inaccurate welding strip feeding can cause the welding strip to deviate from the main grid line of the battery piece when the battery piece and the welding strip are overlapped, so that the problems of white exposure and the like are caused.

In order to realize accurate feeding of the welding strips, a stacking and conveying device is needed to be provided, so that the welding strips can be accurately stacked with the battery plates, and the production quality of the battery string is improved.

Disclosure of Invention

The invention aims to provide stacking and conveying equipment and a battery string stacking method, and aims to solve the problem that the quality of a battery string is influenced by deviation of main grid lines of battery pieces when a welding strip and the battery pieces are stacked in the prior art.

In order to achieve the purpose, the invention provides stacking and conveying equipment which comprises a welding strip cutting device, a guiding device, a clamping device and a conveying device which are sequentially arranged; wherein the content of the first and second substances,

the welding strip cutting device is used for cutting the welding strip;

the conveying device is used for bearing and conveying the stacked battery plates and the welding strips;

the guide device is arranged between the solder strip cutting device and the clamping device and comprises a guide main body for guiding the solder strip and a moving mechanism for driving the guide main body to move between the solder strip cutting device and the clamping device;

the clamping device is arranged at the end part of the conveying device facing the guide device and comprises a clamping head and a plurality of side-by-side welding strip clamps arranged on the clamping head, and each welding strip clamp is used for clamping a welding strip;

the welding strip clamping device comprises a guide main body, a conveying device and a clamping device, wherein the guide main body of the guide device is used for bearing the rear section part of a cut welding strip when moving to the welding strip cutting device, the guide main body and the welding strip move synchronously in the process of drawing the front section part of the welding strip to move to the conveying device, the welding strip clamp of the clamping device receives and clamps the welding strip from the guide main body when moving to the clamping device, and the welding strip clamp is arranged to be capable of continuously moving to a preset position of the conveying device when clamping the welding strip.

Preferably, the guide main body is provided with a guide groove for guiding the welding strip;

the guiding device further comprises a blocking mechanism, wherein the blocking mechanism is arranged to block the guiding groove to prevent the welding strip from being separated from the guiding groove and to open a placing channel of the guiding groove to enable the welding strip to enter the guiding groove.

Preferably, the blocking mechanism comprises a blocking main body which can move back and forth relative to the guide main body along the arrangement direction of the guide grooves, and blocking parts corresponding to the guide grooves are arranged on the blocking main body;

when the blocking main body moves to a first position relative to the guide main body, the blocking parts open the corresponding placing channels of the guide grooves, and when the blocking main body moves to a second position relative to the guide main body, the blocking parts block the corresponding guide grooves.

Preferably, the guiding device further comprises a mounting frame, a supporting frame capable of moving up and down relative to the mounting frame, and a lifting mechanism for driving the supporting frame to lift, and the guiding main body and the blocking main body are mounted on the supporting frame and lift along with the supporting frame;

the stacking and conveying equipment further comprises a stop block which is arranged close to the welding strip cutting device, an inclined guide surface is arranged on the stop block, a driving wheel is arranged on the blocking main body, when the guide main body of the guide device moves to be close to the welding strip cutting device, the blocking main body ascends along with the support frame, and the driving wheel moves upwards along the guide surface and can drive the blocking main body to move to the first position;

the guide means further comprises a spring capable of urging the blocking body to the second position when the drive wheel is out of the limit of the guide surface.

Preferably, each of the welding strip clamps comprises two clamping parts hinged together in a crossing manner at a middle position, and the upper ends of the two clamping parts are used for clamping the welding strip;

the clamping device further comprises a driving mechanism for driving the lower ends of the two clamping parts of each welding band clamp so as to enable the upper ends of the two clamping parts to be opened and closed.

Preferably, the driving mechanism comprises a roller frame, a rotatable roller arranged on the roller frame corresponding to each welding belt clamp and a lifting mechanism for driving the roller frame to lift, wherein each roller is arranged at a position between the lower ends of the two clamping parts of the corresponding welding belt clamp and can move up and down along with the roller frame;

when the roller moves upwards, the upper end of the welding belt clamp is driven to be opened;

the driving mechanism further comprises a return spring, and when the roller moves downwards, the upper end of the welding band clamp is driven to be closed through the elastic force of the return spring.

Preferably, the clamping head frame is provided with a limiting part, and the limiting part is arranged to be capable of rotating between a limiting position and a non-limiting position; when the limiting component is at the limiting position, the limiting component can keep the roller frame at a preset height position, and at the preset height position, the roller keeps the upper end of the welding belt clamp in an opening state; when the limiting component is located at the non-limiting position, the roller wheel frame drives the roller wheel to descend to a position lower than the preset height position, and the return spring drives the upper end of the welding strip clamp to close so as to clamp the welding strip;

wherein a retaining spring for retaining the limiting part at the limiting position is arranged between the limiting part and the clamping head frame; the guide device is provided with a top block, and when the guide main body of the guide device moves to the clamping device, the top block moves the limiting part to the non-limiting position.

Preferably, conveyor still includes base, fixed platform, step-by-step platform and drive step-by-step platform moving mechanism who removes, wherein:

the fixed platform is fixedly connected to the base, the stepping platform is slidably connected to the base, and the platform moving mechanism can drive the stepping platform to move towards or away from the fixed platform in the conveying direction of the conveying belt in a stepping mode;

the conveying belt is arranged on the fixed platform and the stepping platform, and when the stepping platform moves away from the fixed platform, the conveying belt turns over from bottom to top at the end part of the stepping platform far away from the fixed platform, so that the upper surface of the conveying belt extends in a stepping manner along with the stepping platform in the direction far away from the fixed platform;

the chuck holder of the clamping device is arranged to move synchronously with the stepping platform.

Preferably, the stacking and conveying equipment further comprises a welding strip traction device, and the welding strip traction device comprises a traction chuck for clamping the welding strip and a traction driving mechanism for driving the traction chuck to move;

the traction chuck clamps the front section part of the welding strip to be cut from the welding strip cutting device, and after the clamped welding strip is cut, the traction chuck drives the clamped welding strip to move to the conveying device under the driving of the traction driving mechanism, so that the welding strip is laid on the feeding station of the conveying device; the rear section part of the cut welding strip carried by the guide main body moves synchronously with the traction chuck, when the guide main body moves to the clamping device, the welding strip clamp of the clamping device receives and clamps the welding strip from the guide main body, and the traction chuck pulls the welding strip to move continuously to a preset position of the conveying device to be released;

the welding strip traction device is provided with one or at least two traction devices, and the at least two traction devices alternately draw the welding strip.

According to another aspect of the present invention, there is also provided a battery string stacking method including:

controlling a guide main body of a guide device to move to the welding strip cutting device, controlling the welding strip cutting device to cut the welding strip after a traction chuck of a welding strip traction device clamps a front section part of the welding strip to be cut, and supporting a rear section part of the cut welding strip by the guide main body;

controlling the traction chuck and the guide main body to synchronously move towards the clamping device, wherein the guide main body guides the supported welding strip in the moving process;

when the guide main body moves to the clamping device, the guide main body is controlled to stop moving, the traction chuck continues to clamp the welding strip and moves forwards, and in the process that the traction chuck reaches the clamping device and continues to move forwards, a plurality of welding strip clamps arranged side by side on the clamping device respectively receive the welding strip from the guide main body;

and when the traction chuck moves the clamped welding strip to the preset position of the conveying device, controlling the traction chuck to release the clamped welding strip.

According to the technical scheme provided by the invention, in the process of drawing the welding strip to move to the conveying device and paving the welding strip, the welding strip is guided by the guide device 3 and the clamping device 4, so that the stacking precision of the welding strip and the battery piece can be ensured, and the production quality of the battery string can be greatly improved.

Drawings

Fig. 1 is a schematic configuration diagram of a stacking and conveying apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic view of the structure of the guide device;

FIG. 4 is a schematic view of the guide from another perspective;

FIG. 5 is a schematic view of the guide from a further perspective;

FIG. 6 is a schematic structural view of the clamping device;

FIG. 7 is a schematic view of the clamping device from another perspective;

fig. 8 is a schematic structural view of the conveying device.

Description of the reference numerals

1-a conveying device; 11-a conveyor belt; 12-a base; 13-a stepping platform; 131-a mounting bracket; 14-a stationary platform; 15-a conveyor belt drive mechanism; 151-drive roll; 152-a first guide roll; 153-a second guide roll; 154-tension roller; 2-welding strip cutting device; 3-a guiding device; 31-a guide body; 311-a guide groove; 312-an elongated slot; 313-a limit groove; 32-a block body; 321-a mounting boss; 322-a stop lever; 33-a support frame; 34-a mounting frame; 35-a lifting cylinder; 36-a drive wheel; 37-angle adjustment plate; 371-mounting hole; 38-a rotating shaft; 39-a stop block; 391-guiding surface; 4-a clamping device; 41-a clamping frame; 411-welding a belt groove; 42-solder band clip; 43-a roller; 44-roller frame; 45-a return spring; 46-a lifting cylinder; 47-a stop member; 471-support table; 48-retaining the spring.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may also be otherwise oriented, such as by rotation through 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

The invention provides a stacking and conveying device, which comprises a welding strip cutting device 2, a guiding device 3, a clamping device 4 and a conveying device 1 which are arranged in sequence as shown in figures 1 and 2; wherein the content of the first and second substances,

the welding strip cutting device 2 is used for cutting a welding strip;

the conveying device 1 is used for carrying and conveying stacked battery plates and welding strips;

the guiding device 3 is arranged between the solder strip cutting device 2 and the clamping device 4, and the guiding device 3 comprises a guiding main body 31 for guiding the solder strip and a moving mechanism for driving the guiding main body 31 to move between the solder strip cutting device 2 and the clamping device 4;

the clamping device 4 is arranged at the end of the conveying device 1 facing the guide device 3, and the clamping device 4 comprises a clamping head and a plurality of side-by-side welding strip clamps arranged on the clamping head, wherein each welding strip clamp is used for clamping a welding strip;

wherein the guide body 31 of the guide device 3 is used for carrying a rear section of the cut solder strip when moving to the solder strip cutting device 2, the guide body 31 moves synchronously with the solder strip in the process of pulling a front section of the solder strip to move to the conveying device 1, the solder strip clip 42 of the clamping device 4 receives and clamps the solder strip from the guide body 31 when the guide body 31 moves to the clamping device 4, and the solder strip clip 42 is arranged to be capable of continuously moving to a preset position of the conveying device 1 when clamping the solder strip.

The stacking and conveying equipment provided by the invention is used for supplying and laying welding strips, so that the welding strips and the battery pieces are stacked on the conveying device 1 to form a battery string. In the process of drawing the welding strip to move towards the conveying device 1, the welding strip is guided by the guide device 3 and the clamping device 4, the stacking precision of the welding strip and the battery piece can be ensured, and therefore the production quality of the battery string can be greatly improved.

The stacking and conveying apparatus provided by the present invention will be described in detail below based on specific embodiments.

In one embodiment of the present invention, the guide device 3 is constructed as shown in fig. 3 to 5, the guide device 3 includes a support bracket 33, and the guide body 31 is mounted on the support bracket 33. Wherein, the guide main body 31 is provided with a guide groove 311 for guiding the welding strip;

the guiding device 3 further comprises a blocking mechanism configured to block the guiding slot 311 to prevent the solder strip from escaping from the guiding slot 311 and to open a placing channel of the guiding slot 311 to enable the solder strip to enter the guiding slot 311.

Specifically, as shown in fig. 4 and 5, the blocking mechanism includes a blocking main body 32 that can move back and forth along the arrangement direction of the guide grooves 311 with respect to the guide main body 31, and the blocking main body 32 is provided with blocking portions corresponding to the guide grooves 311;

when the blocking main body 32 moves to a first position relative to the guide main body 31, each blocking part opens the placing channel of the corresponding guide slot 311; when the blocking main body 32 moves to the second position with respect to the guide main body 31, each blocking portion blocks the corresponding guide groove 311.

Further, as shown in fig. 5, the blocking main body 32 is provided with mounting protrusions 321 corresponding to the guide grooves 311, and the blocking portion is a blocking rod 322 mounted on the mounting protrusions 321 and extending in the width direction of the guide grooves 311.

Preferably, the guide body 31 is provided with a limiting groove 313 corresponding to each of the mounting protrusions 321, and the side surfaces of two opposite sides of the limiting groove 313 limit the back and forth movement of the mounting protrusions 321.

When the mounting protrusion 321 moves to the side surface abutting against the limiting groove 313 side in the process that the blocking main body 32 moves to the first position in the first direction, the side surface limits the mounting protrusion 321, and the blocking main body 32 reaches the first position; in the process that the blocking body 32 moves from the first position to the second position in the second direction, when the mounting protrusion 321 moves to abut against the side surface of the other side of the stopper groove 313, the other side is stopped against the mounting protrusion 321, and at this time, the blocking body 32 reaches the second position.

To facilitate driving the blocking body 32 to move, a driving wheel 36 is disposed on the blocking body 32, and the driving wheel 36 is configured to be guided by a guiding surface 391 when rolling along the guiding surface 391 to move the blocking body 32 to the first position. Wherein the guide surface 391 may be provided on a structure that can contact the drive wheel 36. Specifically, the guide main body 31 may be configured to drive the driving wheel 36 to move along the guide surface 391, or the guide surface 391 may be configured to move so that the driving wheel 36 moves relative to the guide surface 391, and in the process that the driving wheel 36 moves relative to the guide surface 391, the driving wheel 36 drives the blocking main body 32 to move to the first position, so that the blocking portion opens the placing channel of each guide groove 311, and the solder strip can enter the guide groove.

In the present embodiment, the guide surface 391 is provided on a stopper 39, the stopper 39 is provided at a position close to the solder ribbon cutting apparatus 2 or on the solder ribbon cutting apparatus 2, and the blocking main body 32 is driven to move between the first position and the second position by causing the drive wheel 36 to ascend and descend.

Specifically, the guiding device 3 further includes a mounting frame 34 and a lifting mechanism, the lifting mechanism is configured to drive the supporting frame 33 to lift relative to the mounting frame 34, and the guiding main body 31 and the blocking main body 32 lift along with the supporting frame 33;

the guiding device 3 further comprises a mounting frame 34, a supporting frame 33 capable of moving up and down relative to the mounting frame 34, and a lifting mechanism for driving the supporting frame 33 to lift, wherein the lifting mechanism is preferably a lifting cylinder 35, and the guiding main body 31 and the blocking main body 32 are mounted on the supporting frame 33 and lift along with the supporting frame 33;

the stopper 39 is provided near the bead cutter 2, and an inclined guide surface 391 is provided on the stopper 39, the guide surface 391 being inclined from below to above in a direction in which the block main body 32 moves toward the first position. When the guide main body 31 of the guide device 3 moves to be close to the welding strip cutting device 2, the blocking main body 32 rises along with the support frame 33, the driving wheel 36 moves upwards along the guide surface 391 to drive the blocking main body 32 to move to the first position, and at the moment, each blocking part on the blocking main body 32 opens a placing channel of each guide groove 311, so that when the welding strip is cut, the welding strip traction device pulls the front section part of the welding strip, and the rear section part of the welding strip can enter the guide groove 311.

The guiding means 3 further comprises a spring capable of urging the blocking body 32 to the second position when the driving wheel 36 is out of the limit of the guide surface 391.

Specifically, after the solder ribbon enters the guide groove 311, the lifting cylinder 35 may be arranged to drive the support frame 33 to continuously lift so that the driving wheel 36 moves up to above the guide surface 391 along the guide surface 391 to release the driving wheel 36 from the restriction of the guide surface 391, so that the blocking main body 32 moves to the second position under the action of the spring. Or, the lifting cylinder 35 drives the support frame 33 to move downwards, and in the process that the blocking main body 32 moves downwards along with the support frame 33, the driving wheel 36 is separated from the limit of the guide surface 391, and the blocking main body 32 moves to the second position under the action of the spring, so that blocking of the guide groove 311 is realized.

It will be understood by those skilled in the art that the blocking mechanism is not limited to the above-described structure in the present embodiment, and any other blocking mechanism capable of blocking the guide groove and opening the guide groove may be used. For example, a blocking mechanism may be provided corresponding to each guide groove, and the blocking mechanism is provided with a rotatable blocking portion that is rotatable to a first position for opening the guide groove and rotatable to a second position for blocking the guide groove.

In addition, in the present embodiment, the guide body 31 is provided so that the angle and position on the support bracket 33 can be adjusted.

Specifically, as shown in fig. 5, the guide device 3 further includes an angle adjustment plate 37 mounted on the support frame 33, and the guide body 31 is mounted on the angle adjustment plate 37;

a rotating shaft 38 is arranged between the angle adjusting plate 37 and the supporting frame 33, one of the angle adjusting plate 37 and the supporting frame 33 is provided with an installation hole 371 with installation allowance, and after the angle adjusting plate 37 adjusts the angle position around the rotating shaft 38, a fastener passes through the installation hole 371 to fasten the angle adjusting plate 37 on the supporting frame 33; the rotation shaft 38 may be a bolt (or other column) connected to the angle adjustment plate 37 and the support bracket 33, and when adjusting the angle, the bolt is loosened, the angle adjustment plate 37 is rotated to a proper angle position, and then the bolt is fastened, and a fastener is inserted through the mounting hole 371.

One of the guide body 31 and the angle adjustment plate 37 is provided with an elongated hole 312, and the guide body 31 can be adjusted in position along the elongated hole 312 and fixed to the angle adjustment plate 37 by a fastener passing through the elongated hole 312.

Specifically, when adjusting the angle and position of the guide main body 31, the angle position of the angle adjustment plate 37 is first adjusted, so that the guide groove 311 of the guide main body 31 on the angle adjustment plate 37 is parallel to the solder strip to be guided; then, the fastening member passing through the elongated hole 312 between the guide body 31 and the angle adjustment plate 37 is loosened, so that the guide body 31 is moved along the elongated hole 312 relative to the angle adjustment plate 37, and when adjusted to correspond one-to-one with each guide groove 311 to the solder ribbon to be guided, the fastening member passing through the elongated hole 312 is fastened, fastening the guide body 31 to the angle adjustment plate 37.

In the present embodiment, the specific structure of the clamping device 4 is shown in fig. 6 and 7, the clamping device 4 includes a clamping frame 41 and a plurality of welding band clamps 42 arranged side by side on the clamping frame 41, each welding band clamp 42 includes two clamping portions hinged together at an intermediate position in a crossing manner, and the upper ends of the two clamping portions are used for clamping a welding band;

wherein the clamping device 4 further comprises a driving mechanism for driving the lower ends of the two clamping portions of each welding band clamp 42 to open and close the upper ends of the two clamping portions.

The clamping device provided by the invention can receive the welding strip when the upper end of the clamping part of each welding strip clamp 42 is driven to be in an open state by the driving mechanism, and when the welding strip falls into each welding strip clamp 42, the driving mechanism can drive the upper end of the clamping part of each welding strip clamp 42 to be closed to clamp the welding strip, thereby guiding the movement of the welding strip. Wherein the solder strip can be pulled in the solder strip holder 42 while the solder strip holder 42 holds the solder strip, thereby moving the solder strip to a correct position along the solder strip holder 42.

In a preferred embodiment, as shown in fig. 6, the driving mechanism includes a roller frame 44, a rotatable roller 43 disposed on the roller frame 44 corresponding to each of the welding belt clips 42, and an elevating mechanism for driving the roller frame 44 to ascend and descend, each roller 43 being disposed at a position between lower ends of two clamping portions of the corresponding welding belt clip 42 and being capable of moving up and down with the roller frame 44;

the roller 43 drives the upper end of the welding belt clamp 42 to be opened when moving upwards;

the driving mechanism further comprises a return spring 45, and when the roller 43 moves downwards, the upper end of the welding band clamp 42 is driven to be closed by the elastic force of the return spring 45.

A slide rail arranged up and down is arranged between the roller frame 44 and the clamping head frame 41, and the roller frame 44 is lifted and lowered along the slide rail.

The lifting mechanism is preferably a lifting cylinder 46 mounted on the chuck frame 41, the roller frame 44 is connected to a driving end of the lifting cylinder 46, and the roller frame 44 is driven to lift by the expansion and contraction of the driving end of the lifting cylinder 46. It will be appreciated that the lifting mechanism may take other forms, such as a screw mechanism.

In this embodiment, the clamping head frame 41 is provided with a limiting component 47, and the limiting component 47 is configured to be capable of moving to a limiting position and a non-limiting position;

when the limiting member 47 moves to the limiting position, the roller frame 44 is supported on the limiting member 47 during the process of moving from top to bottom, and the roller frame 44 is kept at a preset height position, at which the roller 43 keeps the upper end of the welding band clamp 42 in an open state, and at this time, the return springs 45 outside the lower ends of the two clamping parts of the welding band clamp 42 are in a pressing state;

when the limiting component 47 moves to the non-limiting position, the roller frame 44 drives the roller 43 to descend to a position lower than the preset height position, and the upper end of the welding strip clamp 42 is closed to clamp the welding strip under the driving of the elastic force of the return spring 45.

The two opposite ends of the chuck frame 41 are respectively provided with the limiting component 47, the limiting component 47 is provided with a supporting platform 471 for supporting the roller frame 44, and the roller frame 44 is symmetrically supported at the two ends, so that the stress balance of the roller frame 44 can be ensured.

In the present embodiment, it is preferable that the stopper member 47 is provided to be rotatable between a stopper position and a non-stopper position with respect to the holder 41, and a holding spring 48 for holding the stopper member 47 at the stopper position is provided between the stopper member 47 and the holder 41. Fig. 5 shows that a bent rod-shaped member is provided on the cartridge holder 41, and the retaining spring 48 is a tension spring connected between the rod-shaped member and the stopper member 47. In a normal state, the restricting member 47 is held in the restricting position by the holding spring 48.

In a specific application, when the lifting cylinder 46 pushes the roller frame 44 to move upward, the limiting member 47 may be pushed to rotate to the non-limiting position, specifically, the limiting member 47 may be pushed to rotate to the non-limiting position by an external force, or the inclined surface at the lower end of the supporting platform 471 of the limiting member 47 may be pushed to move to the non-limiting position when the roller frame 44 moves upward. After the roller frame 44 is lifted above the supporting base 471, the limiting component 47 returns to the limiting position under the action of the retaining spring 48, and then the roller frame 44 is supported on the supporting base 471 when moving from top to bottom, so that the roller frame 44 is kept at the preset height position, and at the moment, each roller 43 on the roller frame 44 can keep the upper end of the welding strip clamp 42 in an open state, and can receive the moved welding strip from the guide main body 31.

The guiding device 3 may be provided with a top block, and when the guiding body 31 of the guiding device 3 moves to the clamping device 4, the top block moves the limiting component 47 to the non-limiting position. At this time, the roller frame 44 loses the support of the limiting component 47 and descends to a position lower than the preset height position, and after the roller 43 descends along with the roller frame 44, the upper end of the welding strip clamp 42 is closed and clamped with the received welding strip under the action of the return spring 45. Of course, the movement of the position limiting member 47 to the non-limiting position may be driven by other means.

In the present embodiment, a welding belt slot 411 is provided on the clamping head 41 at a position corresponding to each welding belt clip 42, and the welding belt can sequentially pass through the corresponding welding belt slot 411 and the corresponding welding belt clip 42 along the length direction. The solder ribbon slot 411 is preferably V-shaped, so that solder ribbon can easily enter the solder ribbon slot 411. The solder ribbon first enters the solder ribbon slot 411 and then continues to move into the corresponding solder ribbon holder 42 under the restraining action of the solder ribbon slot 411.

In addition, in the present embodiment, as shown in fig. 1 and fig. 2, the stacking and conveying apparatus further includes a solder strip pulling device 5, and the solder strip pulling device 5 includes a pulling chuck for clamping the solder strip and a pulling driving mechanism for driving the pulling chuck to move;

the traction chuck clamps the front section part of the welding strip to be cut from the welding strip cutting device 2, and after the clamped welding strip is cut, the traction chuck drives the clamped welding strip to move to the conveying device 1 under the driving of the traction driving mechanism, and the welding strip is laid on the feeding station of the conveying device; wherein, the guide main body 31 carries the rear section of the cut welding strip and moves synchronously with the traction chuck, when the guide main body 31 moves to the clamping device 4, the welding strip clamp 42 of the clamping device 4 receives and clamps the welding strip from the guide main body 31, and the traction chuck pulls the welding strip to move continuously to the preset position of the conveying device 1 for releasing;

wherein, the welding strip traction device 5 can be provided with one or at least two, preferably, the welding strip traction device 5 is provided with at least two, and at least two welding strip traction devices 5 alternately draw the welding strip, so that the welding strip providing efficiency can be improved.

In this embodiment, the conveying device 1 includes a conveying belt 11 and a conveying belt driving mechanism 15 for driving the conveying belt 11 to run, a first end (an end having the clamping device 4) of the conveying belt 11 is configured to be capable of extending in a stepping manner in a direction away from the second end and capable of returning in a stepping manner in a direction toward the second end, wherein the conveying belt 11 is turned upwards at the first end by a predetermined length for each stepping of a predetermined length in the direction away from the second end, so that an empty feeding station is formed on an upper surface of the conveying belt of the predetermined length.

The conveyor belt of the conveyor device 1 extends in the direction of the first end once per step, and an empty feeding station is formed on the part of the conveyor belt extending in steps, and the battery plate and the welding belt are stacked on the feeding station. Therefore, in the process of feeding the battery pieces and the welding strips, the conveying belt does not need to step once to the welding station every time the battery pieces are fed, and when the feeding of the battery pieces stacking assemblies with the preset number is finished, the battery pieces are conveyed to the welding station together for welding, so that the heating consistency of the battery pieces can be ensured, and the welding quality is favorably improved.

Specifically, the specific structure of the conveying device 1 is as shown in fig. 8, and the conveying device 1 further includes a base 12, a fixed platform 14, a stepping platform 13, and a platform moving mechanism for driving the stepping platform 13 to move, wherein:

the fixed platform 14 is fixedly connected to the base 12, the stepping platform 13 is slidably connected to the base 12, and the platform moving mechanism can drive the stepping platform 13 to move towards or away from the fixed platform 14 in the conveying direction of the conveying belt in a stepping manner;

the conveying belt 11 is arranged on the fixed platform 14 and the stepping platform 13, and when the stepping platform 13 moves away from the fixed platform 14, the conveying belt 11 is turned over from bottom to top at the end part of the stepping platform 13 away from the fixed platform 14, so that the upper surface of the conveying belt 11 extends in a stepping manner along with the stepping platform 13 in a direction away from the fixed platform 14;

the gripper frame 41 of the gripping device 4 is arranged to move synchronously with the stepping platform 13. Specifically, the chuck holder 41 of the clamping device 4 may be mounted on the stepping platform 13, or a driving mechanism capable of driving the chuck holder 41 to move may be separately provided to move the chuck holder 41 and the stepping platform 13 synchronously.

In the present embodiment, the conveyor belt driving mechanism 15 for driving the conveyor belt 11 to run includes a driving roller 151, a first guide roller 152, a second guide roller 153, and a tension roller 154;

the driving roller 151 is arranged at the end of the fixed platform 14 far away from the stepping platform 13 and is driven to rotate by a driving motor, the first guide roller 152 is arranged at the end of the stepping platform 13 far away from the fixed platform 14, the first guide roller 152 and the second guide roller 153 are arranged on the stepping platform 13, the tension roller 154 is arranged below the first guide roller 152 and the second guide roller 153, and the tension roller 154 is arranged to be capable of moving back and forth along the conveying direction of the conveying belt 11 and adjusting so as to tension the conveying belt 11; the conveying belt 11 sequentially winds the driving roller 151, the first guide roller 152, the second guide roller 153 and the tensioning roller 15, wherein the second guide roller 153 is positioned on the conveying surface of the conveying belt 11;

when the stepping platform 13 moves away from the fixed platform 14, the first guide roller 152 and the second guide roller 153 move with the stepping platform 13 and guide the conveying belt 11 to extend upside down from below. The platform moving mechanism for driving the stepping platform 13 to move may be, for example, a screw mechanism or an air cylinder.

When the stage moving mechanism drives the stepping stage 13 to move in a direction away from the fixed stage 14, the stepping stage 13 moves in synchronization with the first guide roller 152 and the second guide roller 153 mounted thereon, and the conveying belt 11 is turned upside down along the first guide roller 152 and the second guide roller 153 as a portion extending stepwise on the stepping stage 13.

One skilled in the art can understand that, in addition to the manner of forming the feeding station by arranging the stepping platform to extend the conveying belt step by step, a manner of moving the conveying belt to the second end while translating the conveying device as a whole may be arranged, so as to form an empty feeding station at the first end of the conveying belt.

controlling the guide main body 31 of the guide device 3 to move to the welding strip cutting device 2, controlling the welding strip cutting device 2 to cut the welding strip after a traction chuck of the welding strip traction device 5 clamps the front section part of the welding strip to be cut, and supporting the rear section part of the cut welding strip by the guide main body 31;

controlling the traction chuck and the guide main body 31 to synchronously move towards the clamping device 4, wherein the guide main body 31 guides the supported welding strip in the moving process;

when the guide main body 31 moves to the clamping device 4, the guide main body 31 is controlled to stop moving, the traction chuck continues to clamp the welding strip to move forwards, and a plurality of welding strip clamps 42 arranged side by side on the clamping device 4 respectively receive the welding strip from the guide main body 31 in the process that the traction chuck reaches the clamping device 4 and continues to move forwards;

and when the traction chuck moves the clamped welding strip to the preset position of the conveying device 1, controlling the traction chuck to release the clamped welding strip.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the individual specific technical features in any suitable way. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. The stacking and conveying equipment is characterized by comprising a welding strip cutting device, a guiding device, a clamping device and a conveying device which are sequentially arranged; wherein the content of the first and second substances,

the welding strip cutting device is used for cutting the welding strip;

2. The stacking and conveying apparatus according to claim 1, wherein a guide groove for guiding the welding belt is provided in the guide body;

3. The stacking and conveying device according to claim 2, wherein the blocking mechanism includes a blocking body that can move back and forth relative to the guide body in the arrangement direction of the guide grooves, and blocking portions corresponding to the guide grooves are provided on the blocking body;

4. The stacking and conveying equipment as claimed in claim 3, wherein the guiding device further comprises a mounting frame, a supporting frame capable of moving up and down relative to the mounting frame, and a lifting mechanism for driving the supporting frame to lift up and down, and the guiding main body and the blocking main body are mounted on the supporting frame and lift up and down along with the supporting frame;

5. The stacking conveyor apparatus of claim 1, wherein each of the solder strip clips includes two clamping portions hinged together at an intermediate position, upper ends of the two clamping portions being for clamping the solder strip;

6. The stacking and conveying apparatus according to claim 5, wherein the driving mechanism includes a roller frame, a rotatable roller provided on the roller frame in correspondence with each of the solder ribbon clips, and an elevating mechanism for driving the roller frame to be elevated, each of the rollers being provided at a position between lower ends of both clamping portions of the corresponding solder ribbon clip and being movable up and down with the roller frame;

7. The stacking and conveying apparatus of claim 6, wherein the gripper frame is provided with a stop member, the stop member being arranged to be rotatable between a stop position and a non-stop position; when the limiting component is at the limiting position, the limiting component can keep the roller frame at a preset height position, and at the preset height position, the roller keeps the upper end of the welding belt clamp in an opening state; when the limiting component is located at the non-limiting position, the roller wheel frame drives the roller wheel to descend to a position lower than the preset height position, and the return spring drives the upper end of the welding strip clamp to close so as to clamp the welding strip;

8. The stacking and conveying apparatus according to any one of claims 1 to 7, wherein the conveying device further comprises a base, a fixed platform, a stepping platform, and a platform moving mechanism that drives the stepping platform to move, wherein:

9. The stacking and conveying device according to any one of claims 1 to 7, further comprising a solder strip pulling device, wherein the solder strip pulling device comprises a pulling chuck for clamping a solder strip and a pulling driving mechanism for driving the pulling chuck to move;

10. A method of stacking a battery string, the method comprising: