CN210392209U - Turnover device and soft packet of automatic former of lithium cell - Google Patents

Abstract

The utility model discloses a turnover device and contain this turnover device's soft packet of lithium cell automation equipment of becoming, turnover device includes heating panel, main PCB board and a plurality of anchor clamps, and the heating panel includes bearing board and the pressing plate that can dismantle the connection, and the top mounting fixture of bearing board, the top surface of bearing board correspond anchor clamps and are equipped with the battery and place the district; the bottom of the bearing plate is provided with a pressing plate and a main PCB; the pressing plate is arranged corresponding to the battery placing area. The utility model discloses a with the loading board of heating panel and press the setting of clamp plate components of a whole that can function independently for loading board and press clamp plate homoenergetic to process into tabular structure alone, can guarantee the planarization of loading board and press clamp plate, thereby make the battery of placing on the loading board of lower one deck turnover device after the clamp plate of the turnover device of last one deck is pressed, the thickness homoenergetic keeps unanimous, has guaranteed the yields of battery.

Description

Turnover device and soft packet of automatic former of lithium cell

Technical Field

The utility model relates to a battery test equipment technical field especially relates to turnover device and soft packet of automatic former of lithium cell.

Background

Lithium cellization becomes to be a long-time process, becomes under natural environment, and required time is in 8-24 hours, just adopted heating pressurization formation in the trade in order to solve this problem, will become the time of formation and shorten several times, but when becoming electric core, change into and become to install and remove electric core on the equipment and need longer time, this leads to the waste of a large amount of time and energy, and artifical dress that becomes to dismantle the battery on the equipment has certain personal safety risk simultaneously.

In order to avoid the problems, the turnover device is developed in many existing factories, the turnover device is provided with a plurality of clamps electrically connected with the main PCB on the heat dissipation plates, so that the turnover device can be used for rapidly installing a plurality of batteries outside the formation equipment, and then the turnover device with the installed batteries is placed in a high-temperature box of the pressure formation equipment, so that the main PCB is plugged into the power supply device of the pressure formation equipment, the pressure formation test of the batteries can be realized, after the formation, the turnover device can be rapidly taken out, the batteries are rapidly taken away from the turnover device outside the equipment, the disassembly and assembly time of the batteries during the formation is shortened, and the waste of time is reduced. The plurality of turnover devices are placed in a high-temperature box in a stacked mode, and the heat dissipation plate of the turnover device on the upper layer is pressed on the batteries mounted on the turnover device on the lower layer, so that the batteries mounted on each turnover device can be pressed to be the same in thickness during testing, and the consistency of the thicknesses of the batteries is kept. The heating panel includes the loading board and locates the pressing plate of loading board bottom is provided with at least one battery on the top surface of loading board and places the district, and the pressing plate is placed the district setting corresponding to the battery for press on the battery that the district was placed is placed to the battery of the turnover device of next floor. At present, the loading board and the pressing plate of heating panel all are integrative setting, process out the pressing plate on the loading board generally, nevertheless can make the loading board take place to warp easily man-hour, lead to the district unevenness of placing of the top surface of loading board, and then lead to placing the battery on same turnover device by the extrusion back, and thickness differs, can't keep the uniformity of thickness.

SUMMERY OF THE UTILITY MODEL

Based on this, to above-mentioned problem, the utility model provides a turnover device, its loading board with the heating panel and press the setting of pressing the clamp plate components of a whole that can function independently to make the loading board with press the clamp plate and separately machine-shaping into flat structure, can guarantee the loading board and press the level and smooth of clamp plate, make the battery of placing on the loading board after being pressed by the clamp plate, the thickness homoenergetic is guaranteed unanimously.

The utility model also provides an automatic former of soft packet of lithium cell, it can guarantee that the last turnover device presses back on a plurality of batteries that one deck turnover device placed down, can guarantee down the uniformity of a plurality of batteries that one deck turnover device placed thickness after becoming.

In order to achieve the purpose of the utility model, the utility model adopts the following technical proposal:

a turnover device comprises a heat dissipation plate, a main PCB and a plurality of clamps, wherein the heat dissipation plate comprises a bearing plate and a pressing plate which are detachably connected, the clamps are installed at the top of the bearing plate, and a battery placing area is arranged on the top surface of the bearing plate corresponding to the clamps; the pressing plate and the main PCB are mounted at the bottom of the bearing plate; the pressing plate is arranged corresponding to the battery placing area.

Foretell turnover device through with the loading board of heating panel and press the setting of clamp plate components of a whole that can function independently for loading board and press clamp plate homoenergetic are processed into flat structure alone, can guarantee the planarization of loading board and press clamp plate, thereby make the battery of placing on the loading board of lower floor turnover device after being pressed by the press clamp plate of the turnover device of last layer, the thickness homoenergetic keeps unanimous, has guaranteed the yields of battery.

In one embodiment, a side surface of the pressing plate facing away from the loading plate is flush with a side surface of the main PCB facing away from the loading plate, or the pressing plate protrudes from the side surface of the main PCB facing away from the loading plate.

In one embodiment, the plurality of clamps are arranged in at least one row, and the battery placing area is arranged on the top surface of the bearing plate corresponding to each row of the clamps.

In one embodiment, the clamp comprises a lower clamping plate, an upper clamping plate, an elastic reset piece, a clamp PCB, a positive conductor and a negative conductor; the lower clamping plate is detachably arranged on the bearing plate; the lower clamping plate is provided with a lower clamping end, and the upper clamping plate is provided with an upper clamping end arranged corresponding to the lower clamping end; the upper clamping plate is pivoted with the lower clamping plate; the elastic reset piece is used for driving the upper clamping plate and the lower clamping plate to automatically close; the clamp PCB is positioned between the lower clamping plate and the upper clamping plate and is arranged on the lower clamping end; and the positive conductor and the negative conductor are electrically connected with the clamp PCB and the main PCB.

In one embodiment, the bearing plate is provided with a yielding hole corresponding to the clamp; the positive conductor and the negative conductor are arranged corresponding to the abdicating hole.

In one embodiment, the positive conductor and the negative conductor are both copper sheets.

In one embodiment, the clamp further includes an elastic piece, and the elastic piece is disposed between the upper clamping plate and the lower clamping plate and is mounted on the upper clamping end of the upper clamping plate.

In one embodiment, the fixture PCB is provided with a first visual point and a second visual point corresponding to the upper clamping end of the upper clamping plate, and the first visual point and the second visual point are symmetrically arranged at two sides of the upper clamping plate.

In one embodiment, the turnover device further comprises two slide rails installed at the bottom of the bearing plate, and the two slide rails are respectively located at two opposite sides of the main PCB.

An automatic formation equipment for a soft package lithium battery comprises the turnover device.

Drawings

Fig. 1 is a schematic perspective view of a transfer device according to an embodiment of the present invention;

FIG. 2 is an exploded view of the epicyclic arrangement shown in FIG. 1;

FIG. 3 is an enlarged view of the area encircled by circle A in FIG. 1;

FIG. 4 is a perspective view of the clamp;

fig. 5 is a cross-sectional view of an assembly body composed of a lower clamping plate, a clamp PCB, a positive conductor, a negative conductor, a carrier plate and a main PCB.

In the figure:

10. a heat dissipation plate; 20. a carrier plate; 21. a battery placement region; 22. a hole of abdication; 30. a pressing plate; 31. positioning the projection; 40. a main PCB board; 41. a through hole; 42. positioning the opening; 43. a plug-in part; 50. a clamp; 51. a lower clamping plate; 511. a lower clamping end; 52. an upper clamping plate; 521. an upper clamping end; 53. clamping the PCB; 54. a first visual point; 55. a second visual point; 56. a positive electrode conductor; 561. a first welding sheet; 562. a second weld tab; 57. a negative electrode conductor; 571. a third weld tab; 572. a fourth bonding pad; 58. an elastic sheet; 60. a slide rail.

Detailed Description

In the description of the present invention, it is to be understood that the terms "length", "width", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships 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 being referred to must be provided with a particular orientation, constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly.

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

Referring to fig. 1 and 2, a turnover device according to an embodiment of the present invention includes a heat dissipation plate 10, a main PCB 40, and a plurality of clamps 50; the main PCB 40 and the jig 50 are mounted on the heat dissipation plate 10; the clamps 50 are disposed corresponding to the main PCB and electrically connected to the main PCB 40. The jig 50 is used to transmit a signal of the battery to the main PCB after clamping the battery.

In the present embodiment, the heat dissipation plate 10 is made of an aluminum material. Of course, the material used to make the heat dissipation plate 10 is not limited to aluminum material, and other materials with good heat dissipation effect can be used to make the heat dissipation plate 10 of the present invention, such as copper.

Preferably, an oxide film is provided on the outer side of the heat sink 10. The oxide film can isolate the heat sink 10 from the outside and prevent oxidation and corrosion from the external environment.

As shown in fig. 2, the heat dissipation plate 10 includes a carrier plate 20 and a pressing plate 30 detachably connected, and both the carrier plate 20 and the pressing plate 30 have a flat plate shape; a clamp 50 is arranged at the top of the bearing plate 20, and a battery placing area 21 corresponding to the clamp 50 is arranged on the top surface of the bearing plate 20; the bottom of the bearing plate 20 is provided with a pressing plate 30 and a main PCB 40; the carrying plate 20 is provided with a relief hole 22 corresponding to each fixture 50, so that the carrying plate 20 does not block the fixture 50 from electrically connecting with the main PCB 40; the pressing plate 30 is arranged corresponding to the battery placing area 21, so that the pressing plate 30 of the upper layer of turnover device can press the battery placed in the battery placing area 21 of the bearing plate 20 of the lower layer of turnover device; the edge of the pressing plate 30 is extended outwardly with a plurality of positioning protrusions 31, and the number of the positioning protrusions 31 is plural. In the present embodiment, the pressing plate 30 is detachably coupled to the carrier plate 20 via the positioning protrusions 31; further, the positioning protrusion 31 and the carrier plate 20 are detachably coupled by a screw.

The pressing plate 30 penetrates the main PCB 40; preferably, the side of the pressing plate 30 facing away from the carrier plate 20 is flush with the side of the main PCB 40 facing away from the carrier plate 20, or the pressing plate 30 protrudes from the side of the main PCB 40 facing away from the carrier plate 20.

The main PCB 40 is provided with a through hole 41 corresponding to the pressing plate 30, the pressing plate 30 penetrates through the through hole 41, the main PCB 40 is provided with a positioning hole 42 corresponding to the positioning protrusion 31, the positioning hole 42 is positioned at the edge of the through hole 41, and the positioning protrusion 31 is positioned in the positioning hole 42. The positioning protrusions 31 of the pressing plate 30 and the positioning holes 42 of the main PCB 40 are formed to allow the pressing plate 30 to be properly mounted. In this embodiment, an insertion part 43 extending out of the carrier plate 20 is formed at one end of the main PCB 40, and the insertion part 43 is used for inserting a power module of the hot box. When sending into the high-temperature box that the pressure becomes equipment with the turnover device in the import of grafting portion 43 towards the high-temperature box, after the turnover device is whole to get into the high-temperature box, the power module of high-temperature box is pegged graft to grafting portion 43.

The clamp 50 is disposed at the periphery of the battery placement region 21, so that after the battery is placed on the battery placement region 21, the clamp 50 can clamp the battery, and the test signal of the battery is transmitted to the main PCB 40.

The plurality of clamps 50 are arranged in at least one row, and a battery placing region 21 is provided on the top surface of the carrier plate 20 corresponding to each row of clamps 50. In the present embodiment, the number of rows of the jigs 50 is even, and each two rows of the jigs 50 are disposed corresponding to one of the battery placing regions 21. In other embodiments, each row of the clips 50 may be disposed corresponding to one of the battery placing regions 21.

As shown in fig. 3 and 4, the clamp 50 includes a lower clamping plate 51, an upper clamping plate 52, an elastic member (not shown), a clamp PCB 53, a positive conductor 56, and a negative conductor 57; the lower clamping plate 51 is detachably mounted on the bearing plate 20; the lower clamping plate 51 has a lower clamping end 511, and the upper clamping plate 52 has an upper clamping end 521 corresponding to the lower clamping end 511; the middle part of the upper clamping plate 52 is pivoted with the middle part of the lower clamping plate 51; the elastic element is used for driving the lower clamping plate 51 and the upper clamping plate 52 to automatically close together, so that the upper clamping end 521 and the lower clamping end 511 can automatically close together to tightly clamp the tabs of the battery; the clamp PCB 53 is positioned between the lower clamping plate 51 and the upper clamping plate 52 and is arranged on the lower clamping end 511, so that the pole lugs of the battery can be directly and tightly contacted with the clamp PCB 53 after being clamped by the upper clamping plate 52 and the lower clamping plate 51, and good electrical contact is realized; the positive conductor 56 and the negative conductor 57 are both arranged corresponding to the yielding hole 22 and are both electrically connected with the clamp PCB 53 and the main PCB 40, so that the clamp 50 and the main PCB 40 are electrically connected.

The fixture PCB 53 is provided with a first visual point 54 and a second visual point 55 corresponding to the upper clamping end 521 of the upper clamping plate 52, the first visual point 54 and the second visual point 55 are symmetrically provided at both sides of the upper clamping plate 52, and are used for an external visual inspection device to photograph to detect the clamping position of the fixture 50 and the center line of the fixture 50, and then transmit the detection information to an external control device, and the control device controls the external battery installation device to correctly install the battery on each fixture 50 according to the received information. Specifically, after the visual inspection device photographs the first visual point 54 and the second visual point 55, the visual inspection device determines the position of the clamping portion of the fixture 50, and sends the position information of the clamping portion of the fixture 50 to an external control device, the visual inspection device simultaneously grasps the center of the first visual point 54 and the center of the second visual point 55, and calculates the center line of the fixture 50 through the grasped center of the first visual point 54 and the grasped center of the second visual point 55, the visual inspection device feeds back the calculated result to the external control device, the external control device controls an external manipulator to align the center line of the battery with the center line of the fixture 50 according to the information fed back by the visual inspection device, and then the battery is mounted on the clamping portion of the fixture 50, so that the purpose of automatically and accurately mounting the battery on the fixture 50 is achieved. Only so set up first vision point 54 and second vision point 55 on anchor clamps PCB board 53, because anchor clamps PCB board 53 is the finish machining generally, its surface can not produce the burr that influences the first vision point 54 of visual inspection device shooting and second vision point 55, and anchor clamps PCB board 53's hardness is than higher, be difficult for receiving external environment's influence to take place to warp, guaranteed that the shape of first vision point 54 and second vision point 55 can not take place to warp in long-time, and then make the center of the first vision point 54 that the visual inspection device can correctly snatch for a long time and the center of second vision point 55, guarantee to be able to correctly install the battery on anchor clamps 50 for a long time.

In order to enable the visual inspection apparatus to quickly grasp the center of the first visual point 54 and the center of the second visual point 55, the first visual point 54 and the second visual point 55 are both circular; in order to allow the external visual inspection device to more accurately detect the first visual point 54 and the second visual point 55, a color that can be quickly recognized by the visual inspection device, such as black, red, etc., may be coated on the first visual point 54 and the second visual point 55.

In the present embodiment, the positive electrode conductor 56 and the negative electrode conductor 57 are both copper sheets. As shown in fig. 5, the positive conductor 56 includes a first bonding pad 561 and a second bonding pad 562 positioned in the through hole 41, and the negative conductor 57 includes a third bonding pad 571 and a fourth bonding pad 572 positioned in the through hole 41. The corresponding ends of the first welding sheet 561 and the third welding sheet 571 are welded to the top surface of the clamp PCB 53, the corresponding other ends of the first welding sheet 561 and the third welding sheet 571 are connected to one end of the second welding sheet 562 and one end of the fourth welding sheet 572 after passing through the clamp PCB 53 and the lower clamping plate 51, and the ends of the second welding sheet 562, which are far away from the first welding sheet 561, and the ends of the fourth welding sheet 572, which are far away from the third welding sheet 571, extend to the two sides of the lower clamping plate 51 in the directions far away from each other, and are welded to the main PCB 40. The positive conductor 56 and the negative conductor 57 are arranged in the structure, and the positive conductor 56 and the negative conductor 57 are both made of copper sheets, so that the clamp 50 has two beneficial effects, the first beneficial effect is that the positive conductor 56 and the negative conductor 57 made of copper sheets are adopted, and compared with the positive conductor 56 and the negative conductor 57 made of electric wires, the heat dissipation performance is better, and when the size of passing batteries is the same, compared with the positive conductor 56 and the negative conductor 57 made of electric wires, the positive conductor 56 and the negative conductor 57 made of copper sheets have smaller volumes and occupy smaller space; the second beneficial effect is that the upper clamping plate 52 and the lower clamping plate 51 can not clamp the positive conductor 56 and the negative conductor 57, and the upper clamping plate 52 and the lower clamping plate 51 can be prevented from clamping the positive conductor 56 and the negative conductor 57.

In this embodiment, the elastic member is a torsion spring, and the torsion spring is disposed at a portion where the upper clamping plate 52 and the lower clamping plate 51 are pivotally connected.

As shown in fig. 3, the clamp 50 further includes an elastic piece 58, and the elastic piece 58 is disposed between the upper clamping plate 52 and the lower clamping plate 51 and is mounted on an upper clamping end 521 of the upper clamping plate 52. The elastic sheet 58 is used for elastically pressing the upper clamping end 521 of the upper clamping plate 52 against the tab of the battery, so as to prevent the upper clamping end 521 of the upper clamping plate 52 from crushing the tab of the battery. In the present embodiment, the elastic sheet 58 is preferably made of silicone material.

Referring to fig. 2 again, the turnover device further includes two slide rails 60 mounted at the bottom of the carrier board 20, and the two slide rails 60 are respectively located at two opposite sides of the main PCB 40; the mating part 43 of the main PCB 40 is located between the sliding rails 60. Two slide rails 60 are used for contacting with the rollers or the guide strips arranged in the high temperature box, so as to prevent the bearing plate 20 from contacting with the high temperature box, prevent the bearing plate 20 from being worn by the high temperature box, and protect the bearing plate 20.

The turnover device has the following beneficial effects:

1. the heat dissipation plate 10 is provided with the plurality of clamps 50 electrically connected with the main PCB 40, so that the turnover device can be used for rapidly installing a plurality of batteries outside the formation equipment, and then the turnover device provided with the batteries is placed in a high-temperature box of the pressure formation equipment, so that the main PCB 40 is connected with a power supply device of the pressure formation equipment in an inserting mode, the pressure formation test of the batteries can be realized, after the formation is finished, the turnover device can be rapidly taken out, the batteries are rapidly taken out of the turnover device outside the high-temperature box of the formation equipment, the disassembly and assembly time of the batteries during the formation is shortened, the waste of energy is reduced, and the disassembly and assembly of the batteries outside the formation equipment are realized through the turnover device, so that the personal safety of workers is also protected;

2. through the loading board 20 and the pressing board 30 with the heating panel 10 that separate, make loading board 20 and pressing board 30 all can process into tabular structure alone, can guarantee the planarization of loading board 20 and pressing board 30, thereby make the battery of placing on the loading board 20 of lower floor's turnover device after being pressed by the pressing board 30 of the turnover device of last floor, thickness homoenergetic keeps unanimous, has guaranteed the yields of battery.

The utility model also provides an automatic former of soft packet of lithium cell, including above turnover device.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The turnover device is characterized by comprising a heat dissipation plate, a main PCB and a plurality of clamps, wherein the heat dissipation plate comprises a bearing plate and a pressing plate which are detachably connected, the clamps are installed at the top of the bearing plate, and a battery placing area is arranged on the top surface of the bearing plate corresponding to the clamps; the pressing plate and the main PCB are mounted at the bottom of the bearing plate; the pressing plate is arranged corresponding to the battery placing area.

2. The epicyclic device of claim 1, wherein the side of said pressing plate facing away from said carrier plate is flush with the side of said main PCB plate facing away from said carrier plate, or said pressing plate protrudes from the side of said main PCB plate facing away from said carrier plate.

3. The epicyclic arrangement of claim 1 wherein a plurality of said clamps are arranged in at least one row, said top surface of said carrier plate being provided with said battery receiving region for each row of said clamps.

4. The epicyclic device of claim 1, wherein said clamp comprises a lower clamping plate, an upper clamping plate, an elastic reset, a clamp PCB, a positive conductor and a negative conductor; the lower clamping plate is detachably arranged on the bearing plate; the lower clamping plate is provided with a lower clamping end, and the upper clamping plate is provided with an upper clamping end arranged corresponding to the lower clamping end; the upper clamping plate is pivoted with the lower clamping plate; the elastic reset piece is used for driving the upper clamping plate and the lower clamping plate to automatically close; the clamp PCB is positioned between the lower clamping plate and the upper clamping plate and is arranged on the lower clamping end; and the positive conductor and the negative conductor are electrically connected with the clamp PCB and the main PCB.

5. The epicyclic device of claim 4, wherein said carrier plate is provided with a relief hole corresponding to said clamp; the positive conductor and the negative conductor are arranged corresponding to the abdicating hole; the positive conductor and the negative conductor are copper sheets.

6. The epicyclic device of claim 5, wherein said positive conductor comprises a first weld tab and a second weld tab located within said abdication hole, and said negative conductor comprises a third weld tab and a fourth weld tab located within said abdication hole; the corresponding one end of first welding piece and third welding piece all welds with the top surface welding of anchor clamps PCB board, and the corresponding other end all passes behind anchor clamps PCB board and the lower grip block, respectively with the one end of second welding piece and the one end of fourth welding piece are connected, the second welding piece is kept away from the one end of first welding piece with the fourth welding piece is kept away from the one end of third welding piece extends to respectively towards keeping away from each other's direction the both sides of grip block down, and all with main PCB board welding.

7. The epicyclic apparatus of claim 4 wherein said clamp further comprises a resilient plate disposed between said upper and lower clamp plates and mounted on said upper clamping end of said upper clamp plate.

8. The epicyclic device of claim 4, wherein said clamp PCB is provided with a first visual point and a second visual point corresponding to the upper clamping end of said upper clamping plate, said first visual point and said second visual point being symmetrically provided on both sides of said upper clamping plate.

9. The epicyclic device of claim 1 further comprising two slide rails mounted to the bottom of said carrier plate, said two slide rails being located on opposite sides of said main PCB.

10. An automatic formation equipment for soft package lithium batteries, which is characterized by comprising the turnover device as claimed in any one of claims 1 to 9.

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