CN212277284U

CN212277284U - Stacking unit and battery module stacking device

Info

Publication number: CN212277284U
Application number: CN202021260450.1U
Authority: CN
Inventors: 文义平
Original assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Current assignee: Evergrande New Energy Technology Shenzhen Co Ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-01-01
Anticipated expiration: 2030-07-01

Abstract

The utility model provides a pile up unit and battery module and pile up device, pile up the unit and include: the supporting and placing mechanism is used for supporting the stacked battery modules; the moving mechanism is used for driving the supporting and placing mechanism to move in the stacking direction of the battery modules; the positioning mechanisms are arranged on two sides of the stacked battery modules and used for guiding and positioning the battery modules; and the pressing mechanism and the supporting and placing mechanism are respectively arranged at two ends of the moving mechanism, and the pressing mechanism is used for pressing the stacked battery modules. The utility model provides a pile up unit and battery module and pile up device drives through moving mechanism and supports the stacking direction removal of placing the mechanism along battery module, and positioning mechanism can fix a position the battery module that piles up moreover. So, can realize automatic battery module that piles up, the precision of piling up is higher, can not have the safety risk moreover.

Description

Stacking unit and battery module stacking device

Technical Field

The utility model belongs to the technical field of battery processing, more specifically say, relate to a pile up unit and battery module and pile up device.

Background

The soft package module of current lithium cell piles up and adopts soft-packaged electric core micromodule to pile up on line, and the micromodule piles up the back, hangs the mechanism through the cantilever and places the micromodule in semi-automatic artifical assembly line, piles up in order as required the micromodule of different grade type through the manual work, accomplishes the equipment of whole soft package module. Manual stacking suffers from three drawbacks and disadvantages: 1. the whole soft package module is stacked and needs to be manually assembled, so that the alignment degree and the precision of the stacked module products and the consistency of the products are poor; 2. because the incoming material battery cells have a certain proportion of electric quantity, the tabs of the positive electrode and the negative electrode are easy to directly contact with field assembly personnel in the carrying and stacking stage, and safety risks such as electric shock exist; 3. the stacked small modules need to be manually carried and turned over and the small modules of different types are assembled manually, so that the stacking time of the whole module is long, and the production efficiency of the module stacking is low.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a pile up unit to solve the artifical product precision that piles up and lead to among the prior art relatively poor, pile up the lower and have the technical problem of safe risk of efficiency.

In order to achieve the above object, the utility model adopts the following technical scheme: provided is a stacking unit including:

the supporting and placing mechanism is used for supporting the stacked battery modules;

the moving mechanism is used for driving the supporting and placing mechanism to move in the stacking direction of the battery modules;

the positioning mechanisms are arranged on two sides of the stacked battery modules and used for guiding and positioning the battery modules; and

the pressing mechanism and the supporting and placing mechanism are respectively arranged at two ends of the moving mechanism, and the pressing mechanism is used for pressing the stacked battery modules.

The moving mechanism drives the supporting and placing mechanism to move along the stacking direction of the battery modules, after every battery module is stacked on the supporting and placing mechanism, the moving mechanism enables the supporting and placing mechanism to move by the height of one battery module, the positioning mechanism can position the stacked battery modules, the accuracy of stacking the battery modules is higher, the pressing mechanism can press the stacked battery modules, and the battery modules are prevented from shaking. So, can realize automatic battery module that piles up, the precision of piling up is higher, can not have the safety risk moreover.

In one embodiment, the support placing mechanism includes a support base plate, a first slide rail fixed on the support base plate, two support structures slidably connected to the first slide rail, a first adjusting screw for adjusting a distance between the two support structures, and a fastener for fixing the support structures and the support base plate, wherein the first adjusting screw is in threaded connection with the support structures.

Through setting up first adjusting screw, can adjust the distance between two bearing structure, therefore can support the battery module of different models, improve the suitability that supports the mechanism of placing.

In one embodiment, the supporting structure includes a supporting vertical plate for supporting the battery module, a nut block connected to the first adjusting screw, a first sliding block slidably connected to the first sliding rail, and a fixing plate fixedly connected to the supporting substrate, and the nut block, the first sliding block, and the supporting substrate are all fixed to the supporting vertical plate.

Through set up first slider in bearing structure, make bearing structure can support the stable slip of base plate relatively, through set up nut piece and first adjusting screw cooperation in bearing structure, realize the effect of first adjusting screw to two support risers distance regulations.

In one embodiment, the fixing plate is provided with a strip-shaped hole, the supporting substrate is provided with a plurality of connecting holes arranged at intervals, the length direction of the strip-shaped hole and the arrangement direction of the connecting holes are the same as the sliding direction of the first slider, and the fastener penetrates through the strip-shaped hole and is connected to the connecting holes.

Through setting up the bar hole on the fixed plate, set up a plurality of connecting holes on the supporting baseplate, make the supporting baseplate remove the back, the fastener can pass bar hole and corresponding connecting hole to fix bearing structure on the supporting baseplate.

In one embodiment, the positioning mechanism comprises a positioning driving member and two limiting structures driven by the positioning driving member to approach or separate from each other, the limiting structures comprise a limiting frame and two positioning plates arranged on the limiting frame, and the two positioning plates and the limiting frame enclose a positioning groove for positioning the battery module.

Adopt above-mentioned embodiment, two limit structure can spacing battery module's that piles up both sides. Specifically, in one of them limit structure, the constant head tank that locating plate and spacing formed can fix a position one side of battery module to two constant head tanks that two limit structure formed can fix a position the both sides of battery module.

In one embodiment, the limiting structure further comprises a second adjusting screw for adjusting the distance between two positioning plates, wherein one of the positioning plates is fixed to the limiting frame, and the second adjusting screw is inserted into the other positioning plate and is in threaded connection with the limiting frame.

Through setting up second adjusting screw for distance between two locating plates can be adjusted, therefore this limit structure can be applicable to not unidimensional battery module.

In one embodiment, the positioning plate with the second adjusting screw inserted therethrough is slidably connected to the limiting frame, a second slide rail is fixed on the limiting frame, and a second slide block is fixed on the positioning plate slidably connected to the limiting frame, and the second slide block is slidably connected to the second slide rail.

Through setting up second slide rail and second slider, make the locating plate can be relative spacing stable slip.

In one embodiment, the pressing mechanism comprises a rotary driving piece and a pressing claw driven by the rotary driving piece to press the battery module.

The pressing claw is driven to rotate through the rotary driving piece, so that the pressing claw can rotate to a vertical state, the battery module is convenient to put in, and can also rotate to a horizontal state, the battery module is compressed, and the stacked battery module is prevented from being inclined or swaying.

The utility model also provides a battery module piles up device, including rotation mechanism, connect in rotation mechanism's main frame and foretell unit that piles up, it locates to pile up the unit on the main frame.

Through the arrangement of the slewing mechanism and the plurality of stacking units, when one or more stacking units are stacked and loaded, the rest stacking units can be simultaneously unloaded, and the alternating operation can be performed, so that the stacking can be performed uninterruptedly, and the stacking efficiency of the battery module can be improved.

In one embodiment, the swing mechanism is a cam divider.

By adopting the embodiment, the cam divider has higher rotation precision, can more accurately control the position of each stacking unit, and can enable the stacking units to more accurately align the stacking loading position and the blanking position.

Drawings

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

Fig. 1 is a three-dimensional structure diagram of a stacking unit provided in an embodiment of the present invention;

fig. 2 is a three-dimensional structure diagram of a moving mechanism provided in the embodiment of the present invention;

fig. 3 is a first three-dimensional structure diagram of the support placing mechanism according to the embodiment of the present invention;

fig. 4 is a second three-dimensional structure diagram of the support placing mechanism according to the embodiment of the present invention;

fig. 5 is a three-dimensional structure diagram of a positioning mechanism provided in the embodiment of the present invention;

fig. 6 is a three-dimensional structure diagram of a limiting structure provided in the embodiment of the present invention;

fig. 7 is a three-dimensional structure diagram of a pressing mechanism provided in the embodiment of the present invention;

fig. 8 is a three-dimensional structure diagram of a battery module stacking apparatus according to an embodiment of the present invention;

fig. 9 is a top view of a battery module stacking apparatus according to an embodiment of the present invention;

fig. 10 is a perspective view of a rotation mechanism according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-a stacking unit; 11-a moving mechanism; 111-a sled; 112-a support; 113-a reference plate; 12-a support placement mechanism; 121-a support substrate; 1211 — a first slide rail; 1212-connecting hole; 122-a support structure; 1221-supporting a vertical plate; 1222-a nut block; 1223-a first slider; 1224 — a fixed plate; 12240-strip-shaped holes; 123-a first adjusting screw; 124-bearing plate; 13-a positioning mechanism; 131-positioning the driving member; 132-a limit structure; 1321-limiting shelf; 1322-positioning plate; 1323-a second adjusting screw; 1324-a second sled; 133-a third slide rail; 134-third slider; 14-a hold-down mechanism; 141-a rotary drive; 142-pressing the claw; 1421-a rotating frame; 1422 — a compression section; 143-rotation limiter; 2-a main frame; 3-a slewing mechanism; 4-a workbench; 5-main substrate.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Now the utility model provides a pile up unit 1 explains, pile up unit 1 and be used for automatic battery module that piles up.

Referring to fig. 1, in one embodiment of the present application, a stacking unit 1 includes a moving mechanism 11, a support placing mechanism 12, a positioning mechanism 13, and a pressing mechanism 14. The support placement mechanism 12 is for supporting the battery modules placed in a stack, and the support placement mechanism 12 is movable in the stacking direction of the battery modules by the moving mechanism 11. As shown in fig. 1, the stacking direction of the battery modules is a vertical direction, and the moving mechanism 11 may drive the support placing mechanism 12 to move in the vertical direction. Of course, the battery modules may be stacked horizontally, and the moving mechanism 11 may drive the support placing mechanism 12 to move in the horizontal direction. Positioning mechanism 13 is used for fixing a position the left and right sides of piling up the battery module of placing, and hold-down mechanism 14 is used for compressing tightly the battery module of piling up, and hold-down mechanism 14 and support placing mechanism 12 locate the both ends of moving mechanism 11 respectively, compress tightly the battery module of piling up on supporting placing mechanism 12 through hold-down mechanism 14, can carry out the compaction to the battery module of piling up, prevent that the battery module from rocking. Specifically, when stacking the battery modules, the moving mechanism 11 drives the supporting and placing mechanism 12 to move to an initial position (i.e. the position of the supporting and placing mechanism 12 before stacking the first battery module, at this time, the distance between the supporting and placing mechanism 12 and the pressing mechanism 14 is about the height of one battery module), the positioning mechanism 13 forms a space for stacking the battery modules after moving, positions and guides the stacked battery modules, then the pressing mechanism 14 moves away from the stacking position of the battery modules, other devices or workers stack the battery modules onto the supporting and placing mechanism 12, the pressing mechanism 14 moves to press the battery modules, then the positioning mechanism 13 moves to lower the height of one battery module, and the process is repeated, so that the battery modules are fully stacked on the stacking unit 1.

The unit 1 that piles up in the above-mentioned embodiment drives through moving mechanism 11 and supports placing mechanism 12 and remove along the direction of piling up of battery module, every pile up a battery module and support placing mechanism 12 back on, moving mechanism 11 all makes the height that supports placing mechanism 12 and remove a battery module, and positioning mechanism 13 can fix a position the battery module that piles up in addition, and the precision that makes the battery module pile up is higher, and hold-down mechanism 14 can compress tightly the battery module that piles up, prevents that the battery module from rocking. So, can realize automatic battery module that piles up, the precision of piling up is higher, can not have the safety risk moreover.

In one embodiment of the present invention, please refer to fig. 1 and fig. 2, the moving mechanism 11 can be selected as a servo moving mechanism 11 capable of outputting linear motion, in this embodiment, the battery modules are vertically stacked, the output end of the moving mechanism 11 vertically moves to drive the supporting and placing mechanism 12 to vertically move, accordingly, the supporting and placing mechanism 12 is disposed at the bottom of the moving mechanism 11, and the pressing mechanism 14 is disposed at the top of the moving mechanism 11. Alternatively, a slide plate 111 is fixed to an output end of the moving mechanism 11, and the support placing mechanism 12 is fixed to the slide plate 111. Optionally, a support 112 is fixed to one side of the moving mechanism 11, so that the moving mechanism 11 is fixed to the main support through the support 112, and a reference plate 113 is fixed to the other side of the moving mechanism 11, and after the battery modules are stacked, the side of each battery module is closely arranged to the reference plate 113, so that the stacked battery modules have certain positioning and supporting functions.

In one embodiment of the present invention, please refer to fig. 3, the supporting and placing mechanism 12 includes a supporting substrate 121, a first sliding rail 1211, two supporting structures 122, a first adjusting screw 123 and a fastening member, the supporting substrate 121 is used for placing the battery module, the first sliding rail 1211 is fixed on the supporting substrate 121, the two supporting structures 122 are all slidably connected to the first sliding rail 1211, so that the two supporting structures 122 can slide with each other, the first adjusting screw 123 is used for adjusting the distance between the two supporting structures 122, so as to be suitable for supporting the battery module with various widths, and the fastening member can fix the supporting structures 122 and the supporting substrate 121 with each other after the distance between the two supporting structures 122 is adjusted. The height direction of the battery module is the stacking direction of the battery modules, i.e., the moving direction of the moving mechanism 11, the width direction of the battery module is the moving direction of the positioning mechanism 13, and the thickness direction of the battery module is perpendicular to the width direction thereof. Specifically, the first adjusting screw 123 is disposed through the two support structures 122, such that when the first adjusting screw 123 rotates, the two support structures 122 are moved closer to or away from each other, thereby adjusting the distance between the two support structures 122. In other embodiments, one of the two support structures 122 is fixed to the support base 121, the other is slidably connected to the first slide rail 1211, the first adjusting screw 123 passes through the support base 121 slidably connected to the first slide rail 1211 and is threadedly connected to the support structure 122 fixed to the support base 121, and the distance between the two support structures 122 can be adjusted by rotating the first adjusting screw 123.

Referring to fig. 3, the supporting and placing mechanism 12 further includes a carrier plate 124, the carrier plate 124 is fixed on the two supporting structures 122, and the battery modules are directly stacked on the carrier plate 124. When the distance between the two supporting structures 122 needs to be adjusted, the bearing plate 124 is detached first, then the distance between the two supporting structures 122 is adjusted by rotating the first adjusting screw 123, and then another type of bearing plate 124 is installed. The carrier plate 124 may be an insulating plate to reduce security risks.

Optionally, referring to fig. 3, the supporting structure 122 includes a supporting vertical plate 1221, a nut block 1222, a first sliding block 1223, and a fixing plate 1224, and the nut block 1222, the first sliding block 1223, and the fixing plate 1224 are all fixedly connected to the supporting vertical plate 1221. The supporting vertical plate 1221 is vertically fixed on the supporting substrate 121, the two supporting vertical plates 1221 arranged in parallel are arranged side by side and can be used for supporting the battery module, the nut block 1222 is fixed on one side, close to the supporting substrate 121, of the supporting vertical plate 1221, and the first adjusting screw 123 penetrates through the nut block 1222. Specifically, a threaded hole is opened in the nut block 1222 of one of the support structures 122, so that the first adjusting screw 123 is threadedly coupled to the threaded hole. The first slider 1223 is fixed on one side of the supporting vertical plate 1221 close to the supporting substrate 121, and the first slider 1223 is slidably connected to the first slide rail 1211, so that the supporting structure 122 can stably slide relative to the supporting substrate 121 when the first adjusting screw 123 is adjusted. The fixing plate 1224 is used to fix the support structure 122 to the support substrate 121, and a fastener is passed through the fixing plate 1224 and connected to the support substrate 121, wherein the fastener may be a detachable member such as a screw or a bolt.

Optionally, referring to fig. 4, the fixing plate 1224 is formed with a strip-shaped hole 12240, the supporting substrate 121 is formed with a plurality of connecting holes 1212 arranged at intervals, and a length direction of the strip-shaped hole 12240 and an arrangement direction of the connecting holes 1212 are the same as a sliding direction of the first slider 1223. Thus, after the position of the support structure 122 is changed, the fasteners can still pass through the strip-shaped holes 12240 and the corresponding connecting holes 1212 to fix the support structure 122 to the support substrate 121. Two fixing plates 1224 may be disposed on each supporting structure 122, and the two fixing plates 1224 are disposed on two sides of the supporting structure 122, so that two sides of the supporting structure 122 can be fixed to prevent the supporting structure 122 from shaking.

In one embodiment of the present invention, please refer to fig. 5 and fig. 6, the positioning mechanism 13 includes a positioning driving member 131 and two limiting structures 132, and the two limiting structures 132 can be close to or away from each other under the driving of the positioning driving member 131. When preparing to pile up battery module, location driving piece 131 makes two limit structure 132 be close to each other, and until the distance between two limit structure 132 and the width phase-match of battery module, when battery module put on supporting placement mechanism 12, battery module is then spacing by two limit structure 132 to guarantee battery module's the precision of piling up. When the blanking is ready, the two limit structures 132 are away from each other under the action of the positioning driving element 131, so as to facilitate the blanking. Specifically, limit structure 132 includes spacing 1321 and two locating plates 1322 that set up on spacing 1321, and two locating plates 1322 parallel arrangement, and two locating plates 1322 and spacing 1321 enclose to close and form a constant head tank that is used for fixing a position battery module, and the constant head tank has three spacing wall, can fix a position adjacent three sides of battery module, if fix a position left side, front side and the rear side of battery module. The two limiting structures 132 respectively limit the two ends of the battery module, for example, one of the limiting structures 132 positions the left side, the front side, and the rear side of the battery module, and the other limiting structure 132 positions the right side, the front side, and the rear side of the battery module.

Alternatively, the positioning driving member 131 may be disposed on the main frame 2, the positioning driving member 131 is a double-slider servo moving mechanism 11 and has two linear moving ends, the two linear moving ends may be close to or far away from each other, and the limiting frames 1321 of the two limiting structures 132 are respectively fixed at the two linear moving ends. A third slide rail 133 is fixed on the main frame 2, a third slider 134 is fixed on the limiting structure 132, and the third slider 134 is slidably connected to the third slide rail 133, so that the limiting structure 132 can stably slide.

Optionally, referring to fig. 5 and 6, the limiting structure 132 includes a limiting frame 1321, two positioning plates 1322, and a second adjusting screw 1323 for adjusting the distance between the two positioning plates 1322, so that the distance between the two positioning plates 1322 can be adjusted, and therefore, the limiting structure can be suitable for positioning battery modules with different thicknesses. Specifically, one of the positioning plates 1322 is fixed to the limiting frame 1321, the second adjusting screw 1323 is disposed through the other positioning plate 1322 and is threadedly coupled to the limiting frame 1321, and when the second adjusting screw 1323 rotates, the positioning plate 1322 having the second adjusting screw 1323 disposed therethrough moves relative to the limiting frame 1321, so that the distance between the two positioning plates 1322 can be adjusted. Further, the positioning plate 1322 through which the second adjustment screw 1323 is inserted is disposed away from the reference plate 113 of the moving mechanism 11, so that after the positioning plate 1322 is adjusted, the distance between the side of the different battery modules facing the reference plate 113 and the reference plate 113 is always constant, thereby preventing the distance between the battery modules and the reference plate 113 from increasing after the positioning plate 1322 is adjusted, which results in a large torque after the battery modules are stacked.

Further, referring to fig. 5, the positioning plate 1322 having the second adjusting screw 1323 passing through is slidably connected to the limiting frame 1321, so that the positioning plate 1322 moves more stably relative to another positioning plate 1322. A second slide rail 1324 is fixed on the limiting frame 1321, a second slide block is fixed on the positioning plate 1322 through which the second adjusting screw 1323 passes, and the second slide block is slidably connected to the second slide rail 1324, so that the positioning plate 1322 can move more stably.

In one embodiment of the present invention, referring to fig. 7, the pressing mechanism 14 includes a rotary driving member 141 and a pressing claw 142 driven by the rotary driving member 141. The rotary drive 141 may be selected as a motor, a rotary cylinder, or the like capable of outputting a rotary motion. Before placing the battery module, rotary driving member 141 makes pressure claw 142 rotatory to vertical state, and after placing the battery module, rotary driving member 141 makes pressure claw 142 rotatory to the horizontality, compresses tightly the battery module, especially when piling up soft packet of module, because soft packet of module surface has the radian, if do not have hold-down mechanism 14, pile up too high back at soft packet of battery, empty easily, take place the incident. Alternatively, the pressing claw 142 includes a rotating frame 1421 connected to the rotary driving member 141 and a pressing portion 1422 fixed to the rotating frame 1421. The rotating frame 1421 may be L-shaped, so that the pressing portion 1422 may be pressed against the middle of the battery module as much as possible, the pressing portion 1422 may be in a straight shape, and a portion of the rotating frame 1421 connected to the pressing portion 1422 and the pressing portion 1422 are perpendicular to each other, so that the pressures of the two ends of the pressing portion 1422 on the battery module are the same. Optionally, the number of the pressing mechanisms 14 is two, and the two pressing mechanisms 14 are symmetrically arranged, so that the two pressing claws 142 can rotate towards the middle position of the battery module, and the pressure applied to the left and right sides of the battery module is the same, thereby preventing one side of the battery module from being not compacted.

Referring to fig. 1, a rotation stopper 143 is further fixed to the main frame 2 or the rotation driver 141 to prevent the rotation driver 141 from colliding against a side surface of the battery module due to an excessively large rotation angle.

Referring to fig. 8 and 9, in one embodiment of the battery module stacking apparatus, the battery module stacking apparatus includes a rotation mechanism 3, a main frame 2, and at least two stacking units 1 in any one of the above embodiments, wherein the stacking units 1 are disposed on the main frame 2. Specifically, the moving mechanism 11, the positioning mechanism 13, and the pressing mechanism 14 are provided on the main stand. The swing mechanism 3 drives the main frame 2 to rotate, so that the stacking units 1 on the main frame 2 rotate, a plurality of battery modules can be stacked simultaneously, and when one or more stacking units 1 stack the battery modules, other stacking units 1 perform blanking, so that the battery module stacking device can continuously stack the battery modules, thereby improving the stacking efficiency. For example, when the number of the stacking units 1 is two, one stacking unit 1 stacks the batteries, and the other stacking unit 1 discharges the stacked battery modules, after the stacking units 1 are fully stacked with the battery modules, the stacking units 1 fully stacked with the battery modules can be rotated to face the discharging position by the rotation of the rotating mechanism 3, and the stacking units 1 which have been discharged are rotated to the stacking loading position. Therefore, uninterrupted stacking can be performed, and the stacking efficiency is improved.

Referring to fig. 10, the rotating mechanism 3 is a cam divider, which has high rotating precision and can control the position of each stacking unit 1 more precisely, so that the stacking units 1 can be aligned to the stacking and feeding positions and the blanking positions more precisely. Optionally, the bottom of the cam divider is provided with a working table 4, the cam divider is mounted on the working table 4, a main substrate 5 is fixed to a rotation output end of the cam divider, and the main frame 2 is fixed on the main substrate 5 and rotates with the main substrate 5.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A stacking unit, comprising:

2. The stacking unit of claim 1, wherein: the support placing mechanism comprises a support base plate, a first slide rail fixed on the support base plate, two support structures connected to the first slide rail in a sliding mode, a first adjusting screw rod used for adjusting the distance between the two support structures and a fastener used for fixing the support structures and the support base plate, and the first adjusting screw rod is in threaded connection with the support structures.

3. The stacking unit of claim 2, wherein: the supporting structure comprises a supporting vertical plate used for supporting the battery module, a nut block connected with the first adjusting screw, a first sliding block connected with the first sliding rail in a sliding mode, and a fixing plate fixedly connected with the supporting base plate, and the nut block, the first sliding block and the supporting base plate are all fixed on the supporting vertical plate.

4. The stacking unit of claim 3, wherein: the fixed plate is provided with a strip-shaped hole, the supporting substrate is provided with connecting holes arranged at a plurality of intervals, the length direction of the strip-shaped hole is equal to the arrangement direction of the connecting holes in the sliding direction of the first sliding block, and the fastener penetrates through the strip-shaped hole and is connected to the connecting holes.

5. The stacking unit of claim 1, wherein: positioning mechanism is including the location driving piece and by two limit structure that the location driving piece drive is close to each other or keeps away from, limit structure includes spacing and locates two locating plates on the spacing, two the locating plate with spacing encloses to close and forms the constant head tank that is used for fixing a position the battery module.

6. The stacking unit of claim 5, wherein: the limiting structure further comprises a second adjusting screw rod used for adjusting the distance between the two positioning plates, one of the positioning plates is fixed on the limiting frame, and the second adjusting screw rod penetrates through the other one of the positioning plates and is in threaded connection with the limiting frame.

7. The stacking unit of claim 6, wherein: wear to be equipped with the second adjusting screw the locating plate sliding connection in spacing, be fixed with the second slide rail on the spacing, and sliding connection in spacing be fixed with the second slider on the locating plate, second slider sliding connection in the second slide rail.

8. The stacking unit of claim 1, wherein: the pressing mechanism comprises a rotary driving piece and a pressing claw which is driven by the rotary driving piece to press the battery module.

9. Battery module piles up device, its characterized in that: comprising a slewing mechanism, a main frame connected to the slewing mechanism, and at least two stacker units according to any one of claims 1 to 8, which are arranged on the main frame.

10. The battery module stacking apparatus of claim 9, wherein: the slewing mechanism is a cam divider.