CN214721702U

CN214721702U - Battery piece placing floating device

Info

Publication number: CN214721702U
Application number: CN202120716947.8U
Authority: CN
Inventors: 陈延明; 张建党; 张治雨
Original assignee: Hangzhou Joy Energy Technology Co ltd
Current assignee: Hangzhou Joy Energy Technology Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-11-16
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a cell placing floating device, relating to the technical field of solar cell production, comprising a movable tool, a fixed mechanism and a floating mechanism which are connected; the moving tool is used for controlling the movement of the fixing mechanism and the floating mechanism; the floating mechanism comprises a floating plate and a connecting fixing plate, the floating plate is movably connected to the fixing mechanism, a sucker structure for adsorbing the battery piece is arranged on the floating plate, and the floating mechanism is connected with a control system; one end of the connecting fixing plate is fixedly connected to the fixing mechanism, and the other end of the connecting fixing plate is connected with the floating plate in a floating mode. Has the following beneficial effects: (1) the high-precision and high-efficiency arrangement of the battery pieces is realized. (2) Can work in a space-limited working environment.

Description

Battery piece placing floating device

Technical Field

The utility model relates to a solar wafer production technical field, concretely relates to flotation device is put to battery piece.

Background

In the photovoltaic industry, a solar cell needs to be accurately placed right above or right below a photovoltaic welding strip in the welding process of the solar cell, the required precision is very high, the placing speed is very high, the placement of the solar cell needs to be realized by a high-precision robot through visual assistance, and due to the trend of development of the photovoltaic industry, in order to save cost and improve efficiency, the solar cell is thinner and thinner when a main grid line is printed, so that the capacity and the precision of a photovoltaic series welding machine are required to be higher and higher, and the capacity and the precision are improved to become the development trend of the existing photovoltaic industry.

The current mainstream battery placement mode in the industry is to grasp a piece of battery by a robot after visual positioning, and the robot adjusts coordinates to realize fixed-point placement on the front or back of the photovoltaic solder strip, wherein the mode is to grasp and place the piece of battery by one piece by the robot; the second mode is that two batteries are positioned by vision, the angles of the two batteries are adjusted to be consistent by mechanical positioning, then the theoretical distance between the two batteries is adjusted, the two batteries are simultaneously grabbed by a robot, then the robot adjusts coordinates and simultaneously places the two batteries to the front or the back of the photovoltaic welding strip, and the mode is mainly that the robot grabs two batteries at a time and places the two batteries at the same time; the third kind is earlier through visual positioning two, once snatchs two, puts through twice adjustment robot a slice piece during the pendulum piece, need add the mechanism that floats from top to bottom, for example cylinder or motor realize the lift of another slice, prevent to put another slice battery piece when a slice and can rub the welding platform.

The main defects are as follows: the first mode is easy to realize one-time grabbing and grabbing, the precision is high, but the efficiency is too low, the capacity of the series welding machine is too low, the series welding machine does not accord with the development trend of the photovoltaic industry, and the series welding machine is easy to be eliminated by a machine with high market productivity; the second method is that two sheets are placed at the same time by grabbing the two sheets at one time, and the two sheets need to be adjusted by a mechanical structure, so that the precision loss is caused, the two sheets need to be placed together, the height difference is avoided, the welding method cannot be applied to welding of the dissimilar welding strip, and the limitation is large; the third mode can realize high-efficiency and high-precision placement, but is greatly restricted by space, for example, in an upper space and a lower space which are 40mm or smaller, and the space is greatly restricted due to the larger shape of the air cylinder or the motor.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

Each scheme to above can't compromise the technical problem of precision, efficiency and range of application, the utility model provides a floating installation is put to the battery piece, it realizes once snatching two even multi-disc but can a slice piece high accuracy when putting again and puts the requirement, can realize the operation that floats from top to bottom in the space within 40mm simultaneously again, can realize snatching two or multi-disc simultaneously, utilizes the supplementary and unsteady mechanism from top to bottom of vision, and the robot can realize the high accuracy and put, and the application is extensive, does not receive space constraint.

2. Technical scheme

In order to solve the above problem, the utility model provides a technical scheme does:

the battery piece placing floating device comprises a moving tool, a fixing mechanism and a floating mechanism which are connected;

the moving tool is used for controlling the movement of the fixing mechanism and the floating mechanism;

the floating mechanism comprises a floating plate and a connecting fixing plate, the floating plate is movably connected to the fixing mechanism, a sucker structure for adsorbing the battery piece is arranged on the floating plate, and the floating mechanism is connected with a control system;

one end of the connecting fixing plate is fixedly connected to the fixing mechanism, and the other end of the connecting fixing plate is connected with the floating plate in a floating mode.

Optionally, a clamping ring is arranged between the movable tool and the fixing mechanism, the clamping ring is rotatably connected to the movable tool, the clamping ring is fixedly connected with the fixing mechanism, the fixedly connected part is a fixed mounting plate part of the fixing mechanism, and a first suction disc and an air connector are arranged at the other end of the fixing mechanism.

Optionally, one end of the connecting and fixing plate connected with the floating plate is provided with a hole, an elastic element is arranged in the hole and connected with the floating plate through a bolt, and the bolt presses the elastic element.

Optionally, an air cavity is arranged in the floating plate, the connecting fixing plate is fixedly connected with a floating shaft which is connected in the air cavity in a sliding manner, and the air cavity is closed.

Optionally, the floating mechanism includes a baffle plate mounted below the floating plate.

Optionally, an oilless bushing and a guide post are installed in the installation hole of the floating plate for guiding the moving direction of the floating plate.

Optionally, the floating plate is provided with a first micro joint, a second micro joint and a third micro joint; the first miniature joint and the third miniature joint are used for connecting a power source of the vacuum adsorption battery piece; the second micro connector is used for connecting a power source for floating the floating plate.

Optionally, the fixing mechanism is provided with an air connector for connecting a vacuum generator or a vacuum pump.

Optionally, the floating plate is a leg-shaped structure, and the sucker structure is located at the end of the leg.

Optionally, the middle part of the fixing mechanism is of a hollow structure.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

(1) the battery piece placing floating device provided by the embodiment of the application realizes high-precision and high-efficiency placing of the battery pieces.

(2) The battery piece placing floating device provided by the embodiment of the application can work in a working environment with limited space.

Drawings

Fig. 1 is a schematic structural view of a battery plate placing floating device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing mechanism of a battery plate placing floating device according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a floating mechanism of a battery plate placing floating device according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the floating plate of the floating device for placing battery pieces according to the embodiment of the present invention.

100. Moving the tool; 200. a clasping ring; 300. a fixing mechanism; 301. mounting a plate; 302. a first suction cup; 303. a gas joint; 400. a floating mechanism; 401. connecting the fixed plate, 402 and the floating plate; 403. a baffle plate; 404. an oilless bushing; 405. a second suction cup; 406. a guide post; 407. a first micro connector; 408. a second micro connector; 409. a third micro connector; 410. a floating shaft; 411. a seal ring; 412. a spring; 413. and (4) bolts.

Detailed Description

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The utility model discloses in words such as first, second, be for the description the utility model discloses a technical scheme is convenient and set up, and does not have specific limiting action, is general finger, right the technical scheme of the utility model does not constitute limiting action. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and between the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, which is all within the scope of the present invention.

Example 1

With reference to fig. 1-4, the cell arrangement floating device includes a movable tool 100, a fixing mechanism 300 and a floating mechanism 400 connected together;

the moving tool 100 is used for controlling the movement of the fixing mechanism 300 and the floating mechanism 400, and the moving tool 100 can be a robot arm and is arranged in the Z-axis direction;

the floating mechanism 400 comprises a floating plate and a connecting fixing plate 401, the floating plate is movably connected to the fixing mechanism 300, a sucker structure used for adsorbing the battery piece is arranged on the floating plate, and the floating mechanism 400 is connected with a control system. The control system is a system that can control a drive mechanism such as a vacuum pump by inputting predetermined parameters and adjust the operation of the floating mechanism 400 by adjusting a vacuum power source.

First, the floating mechanism 400 and the fixed mechanism 300 are connected by the connection fixed plate 401 in a state where the floating plate is floating with respect to the fixed connection plate, the bolt 413 and the spring 412 are connected to the connection fixed plate 401, and the floating plate is interposed between the spring 412 and the connection fixed plate 401.

The float mechanism 400 includes a baffle 403 mounted below the float plate. The oilless bushing 404 is prevented from falling out after being fitted into the mounting hole of the floating plate.

One end of the connecting fixing plate 401 is fixedly connected to the fixing mechanism 300, and the other end is connected with the floating plate in a floating manner.

The connecting structures between the battery plate and the movable tool 100 are few, so that the movement error of a mechanical structure is reduced, and high-precision placement is facilitated.

Remove and be equipped with between frock 100 and the fixed establishment 300 and embrace ring 200, embrace ring 200 and rotate to connect in removing frock 100, embrace ring 200 and fixed establishment 300 rigid coupling, the part of rigid coupling is fixed mounting panel 301 part of fixed establishment 300, embraces ring 200 and is an solitary machine part, and it is through locking screw locking on the Z axle of robot, and it can rotate arbitrary angle lock according to actual need and die on removing frock 100.

The fixing mechanism 300 is respectively composed of a fixing mounting plate 301, a sucker and an air connector 303, wherein the fixing mounting plate 301 is connected to the clasping ring 200 through screws; wherein, a plurality of air channels are arranged in the fixed mounting plate 301, the sucking disc and the air connector 303 are fixed on the fixed mounting plate 301, the vacuum generated by the vacuum generator or the vacuum pump enters the air channels of the fixed mounting plate 301 through the air connector 303, and finally the battery piece is sucked by the sucking disc, and in the floating mechanism 400, the mechanism is fixed relative to the floating piece.

The other end of the fixing mechanism 300 is provided with a first suction cup 302 and an air connector 303. The first suction pad 302 sucks the battery cell.

One end of the connection fixing plate 401 connected with the floating plate is provided with a hole, an elastic element is arranged in the hole and connected with the floating plate through a bolt 413, and the bolt 413 extrudes the elastic element.

An air cavity is arranged in the floating plate, the connecting fixing plate 401 is fixedly connected with a floating shaft 410 which is connected in the air cavity in a sliding manner, and the air cavity is closed. The second suction cup 405 is installed on the floating plate, the sealing ring 411 is sleeved on the floating shaft 410 to prevent air leakage, the spring 412 is sleeved on the bolt 413, and then the floating plate is added and fixed on the connecting fixing plate 401 together.

An oilless bushing 404 and a guide post 406 are installed in the installation hole of the floating plate, and the guide post 406 is disposed in the oilless bushing 404 and coupled to the plate of the coupling fixing plate 401 for guiding the moving direction of the floating plate.

The floating plate is provided with a first micro joint 407, a second micro joint 408 and a third micro joint 409; the first miniature connector 407 and the third miniature connector 409 are used for connecting a power source of a vacuum adsorption battery piece; the second micro connector 408 is used to access the power source for the floating plate to float. The first micro connector 407 and the third micro connector 409 are connected in series to form a single path, which mainly plays a role of vacuum adsorption, the second micro connector 408 is also installed on the floating plate, the single path mainly provides a power source for up-and-down floating, the floating shaft 410 is installed in a hole of the floating plate, which mainly plays a role of jacking, and the floating plate is jacked up by the power source, so that the floating plate is separated from the connecting and fixing plate 401.

The floating plate is of a supporting leg-shaped structure, and the sucker structure is located at the end part of the supporting leg. The supporting leg-shaped structure is a U-shaped supporting leg with the middle part oppositely connected, and the second suction cup 405 is positioned at the tail end of the supporting leg. The second suction cups 405 at the ends of the support legs have enough distance to obtain enough area, and stress points are uniformly distributed at the edges of the battery pieces when the battery pieces are adsorbed, so that the over-high bending stress in the battery pieces is avoided.

The middle part of the fixing mechanism 300 is of a hollow structure. The hollow structure is beneficial to reducing the weight of the whole device and reducing the cost of raw materials.

The working principle is as follows:

the initial state is that the upper and lower surfaces connecting the fixed plate 401 and the floating plate are overlapped, that is, the suction cups installed on the floating plate and the fixed mounting plate 301 in the front and back direction have height difference;

two battery pieces are conveyed to the position right above the camera through a conveying belt for visual detection, after the detection is finished, the robot runs to the position right above the battery pieces, compressed air enters an inner cavity of a floating plate through a miniature connector, then the floating shaft 410 is jacked up by the compressed air, the floating plate overcomes the acting force of a spring 412 and is separated from a connecting and fixing plate 401, and a second sucker 405 is flush with a sucker on a fixing and mounting plate 301 from an initial height difference;

the two vacuum generators are simultaneously opened, a vacuum source respectively enters the air channels of the fixed mounting plate 301 and the floating plate through the air connectors 303 and all the miniature connectors, the robot descends to a battery taking position and sucks up two batteries simultaneously through the suckers, the robot rises to a carrying position, and the battery taking position and the carrying position are set in advance by workers;

the compressed air source in the second micro connector 408 is interrupted, the floating plate returns to the initial state by the resilience force of the spring 412 under the condition of losing the jacking action of the compressed air, and the two battery plates generate a height difference;

the control system calculates the actual placing coordinates of the two battery pieces, the two battery pieces move to the position right above the air suction battery piece of the fixed mounting plate 301, the coordinate position is adjusted, the platform for placing the two battery pieces is opened in vacuum, the robot arm descends to the piece placing position, the vacuum on the fixed mounting plate 301 is cut off, one battery piece is adsorbed on the platform, and the robot ascends to the carrying position to place the other battery piece. The other plate has a certain distance away from the platform for placing the battery plate due to the height difference, so that the other plate cannot be adsorbed on the platform, cannot generate any friction with the platform and cannot damage the battery plate;

the robot adjusts the coordinate position of another plate, and compressed air enters the inner cavity of the floating plate through the micro connector, the floating shaft 410 is jacked up to separate the floating plate from the connecting and fixing plate 401, the robot descends to the plate placing position, the vacuum of the plate is cut off, the battery plate is adsorbed on the platform, the robot ascends to the conveying position, the compressed air in the micro connector is interrupted, and the floating plate returns to the initial position. Two sheets can be grabbed and placed simultaneously through the mechanism, so that the placing with high efficiency and high precision is realized.

Example 2

Compared with the technical scheme of the embodiment 1, the floating device for placing the battery pieces can be improved as follows: by providing a plurality of fixing mechanisms 300 and floating mechanisms 400 connected to a plurality of robot arms, the number of battery cells can be increased. The robot arms are arranged in parallel and connected to the control system.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. The battery piece placing floating device is characterized by comprising a moving tool, a fixing mechanism and a floating mechanism which are connected;

2. The battery piece placing floating device according to claim 1, wherein a holding ring is arranged between the movable tool and the fixing mechanism, the holding ring is rotatably connected to the movable tool, the holding ring is fixedly connected with the fixing mechanism, the fixedly connected portion is a fixed mounting plate portion of the fixing mechanism, and a first suction cup and an air connector are arranged at the other end of the fixing mechanism.

3. The battery plate arrangement floating device according to claim 1, wherein the end of the connecting and fixing plate connected with the floating plate is provided with a hole, an elastic element is arranged in the hole and connected with the floating plate through a bolt, and the bolt presses the elastic element.

4. The battery plate placing floating device according to claim 1, wherein an air cavity is arranged in the floating plate, the connecting and fixing plate is fixedly connected with a floating shaft which is connected in the air cavity in a sliding manner, and the air cavity is sealed.

5. The battery piece arrangement floating device as claimed in claim 1, wherein the floating mechanism comprises a baffle plate installed below the floating plate.

6. The battery plate arrangement floating device according to claim 1, wherein the mounting hole of the floating plate is provided with an oilless bushing and a guide post for guiding the moving direction of the floating plate.

7. The battery plate arrangement floating device as claimed in claim 1, wherein the floating plate is provided with a first micro connector, a second micro connector and a third micro connector; the first miniature joint and the third miniature joint are used for connecting a power source of the vacuum adsorption battery piece; the second micro connector is used for connecting a power source for floating the floating plate.

8. The battery piece arrangement floating device as claimed in claim 1, wherein the fixing mechanism is provided with an air connector for connecting a vacuum generator or a vacuum pump.

9. The battery piece arrangement floating device according to any one of claims 1 to 8, wherein the floating plate is a leg-shaped structure, and the suction cup structure is located at the end of the leg.

10. The battery piece arrangement floating device according to any one of claims 1 to 8, wherein the middle part of the fixing mechanism is a hollow structure.