Lithium battery extrusion equipment

Abstract

The utility model relates to the technical field of lithium batteries, in particular to lithium battery extrusion equipment. Comprising a bottom plate, a controller and an auxiliary mechanism, the auxiliary mechanism comprises a supporting frame, a movable frame, a spoke pressure sensor, a pressing head, a control box, a clamping device and a driving device, during extrusion, a lithium battery shell is placed on the bottom plate, then a control button of the control box is pressed down, the clamping device acts for clamping and fixing, and after time delay, the driving device acts to drive the movable frame to move downwards; the spoke pressure sensor moves downwards, the pressure head further moves downwards and then abuts against the lithium battery shell for extrusion, the spoke pressure sensor carries out pressure detection and feeds back to the controller, the controller carries out operation processing and then carries out data display, and therefore the problem that in the prior art, when lithium battery shell extrusion test equipment is in actual use, data are not displayed is solved. And real-time data detection and data display of the pressure during extrusion of the lithium battery shell cannot be realized, and whether the extrusion of the lithium battery shell is qualified or not cannot be quickly judged.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, and particularly relates to a lithium battery extrusion device. Background Art

[0002] A lithium battery is a type of battery with lithium metal or lithium alloy as the positive / negative electrode material and using a non-aqueous electrolyte solution. In the existing lithium battery shell extrusion test equipment, due to the inability to quickly switch the extrusion speed, the quality and efficiency of the extrusion test are low, which greatly affects the normal research efficiency of the lithium battery shell.

[0003] A new type of lithium battery shell extrusion test equipment is disclosed in the prior art, including a bottom plate. A positioning plate is arranged on the top of the bottom plate. The right side of the positioning plate is threadedly connected with a positioning screw through a connecting plate, and the top end of the positioning screw is fixedly connected with a positioning knob. In this prior art, the force application handle is used to directly rotate the extrusion screw. The rotation of the extrusion screw causes the threaded plate to move left and right under the limitation of the limiting ring, and then the lithium battery shell is extruded by the left and right movement of the threaded plate. The adjustment knob is used to effectively rotate the control rod, and the rotation of the control rod effectively drives the extrusion screw to rotate slowly. Then, by effectively switching the extrusion speed, the extrusion data can be effectively collected, so as to improve the efficiency and quality of the lithium battery shell extrusion test.

[0004] However, when the above new type of lithium battery shell extrusion test equipment is actually used, the pressure during the extrusion of the lithium battery shell cannot be detected and displayed in real time, which is also not conducive to quickly determining whether the extrusion of the lithium battery shell is qualified. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a lithium battery extrusion device, which solves the problems that in the prior art, during the actual use of the lithium battery shell extrusion test equipment, the pressure during the extrusion of the lithium battery shell cannot be detected and displayed in real time, and it is not conducive to quickly determining whether the extrusion of the lithium battery shell is qualified.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows: The utility model provides a lithium battery extrusion device, including a bottom plate and a controller. The controller is fixedly connected to the bottom plate and is located on the right side of the bottom plate. It also includes an auxiliary mechanism;

[0007] The auxiliary mechanism includes a support frame, a moving frame, a spoke pressure sensor, a pressing head, a control box, a clamping device, and a driving device. The support frame is fixedly connected to the bottom plate and is located on the bottom plate. The spoke pressure sensor is fixedly connected to the moving frame, is electrically connected to the controller, and is located below the moving frame. The pressing head is threadedly connected to the spoke pressure sensor and is located below the spoke pressure sensor. The control box is fixedly connected to the bottom plate, is electrically connected to the controller, and is located on the front side of the bottom plate. The clamping device is arranged on the bottom plate, and the driving device is arranged on one side of the support frame close to the moving frame.

[0008] Among them, the clamping device includes a mounting plate and a power assembly. The mounting plate is fixedly connected to the bottom plate and is located on the bottom plate. The power assembly is arranged on one side of the mounting plate.

[0009] Among them, the power assembly includes a clamping cylinder and a clamping plate. The clamping cylinder is fixedly connected to the mounting plate, is electrically connected to the controller, and is located on the mounting plate. The clamping plate is connected to the output end of the clamping cylinder and is located on the output end of the clamping cylinder.

[0010] Among them, the driving device includes a servo hydraulic cylinder, a bearing seat, and a guide rod. The servo hydraulic cylinder is fixedly connected to the support frame. The output end of the servo hydraulic cylinder is connected to the moving frame, is electrically connected to the controller, and is located on the top of the support frame. The bearing seat is fixedly connected to the support frame and is located on one side of the support frame close to the servo hydraulic cylinder. The guide rod is threadedly connected to the moving frame, is slidably connected to the bearing seat, and is located on one side of the moving frame close to the bearing seat.

[0011] Among them, the auxiliary mechanism further includes a fixing plate and a safety light curtain. The fixing plate is fixedly connected to the bottom plate and is located on one side of the bottom plate close to the control box. The safety light curtain is fixedly connected to the fixing plate, is electrically connected to the controller, and is located on the fixing plate.

[0012] A lithium battery extrusion device of the present utility model, the controller is installed on the right side of the bottom plate and is equipped with a touch display screen. The support frame is installed on the bottom plate. The wheel spoke pressure sensor is installed under the moving frame and is electrically connected to the controller. The pressing head is installed under the wheel spoke pressure sensor. The control box is installed on the bottom plate and is electrically connected to the controller and is symmetrically arranged. The clamping device is arranged on the bottom plate. The driving device is arranged on the side of the support frame close to the moving frame. During extrusion, first place the lithium battery shell on the bottom plate, then press the control button of the control box, and the clamping device acts to clamp and fix the lithium battery. Then, after a delay, the driving device acts to drive the moving frame to move downward, causing the wheel spoke pressure sensor to move downward. Further, after the pressing head moves downward and abuts against the lithium battery shell for extrusion, the wheel spoke pressure sensor performs pressure detection and feeds it back to the controller. After being processed by the controller through operation, the data is displayed on the touch display screen of the controller, thereby solving the problem that in the prior art, during the actual use of the lithium battery shell extrusion test equipment, the pressure during the extrusion of the lithium battery shell cannot be detected and displayed in real time, and it is not conducive to quickly determining whether the extrusion of the lithium battery shell is qualified. Brief Description of the Drawings

[0013] The present utility model can be further illustrated by the non-limiting embodiments given in the drawings.

[0014] Figure 1 It is a schematic diagram of the overall structure of the lithium battery extrusion device according to the first embodiment of the present utility model.

[0015] Figure 2 It is a left view of the lithium battery extrusion device according to the first embodiment of the present utility model.

[0016] Figure 3 It is a schematic diagram of the overall structure of the lithium battery extrusion device according to the second embodiment of the present utility model.

[0017] In the figure: 101 - bottom plate, 102 - controller, 103 - support frame, 104 - moving frame, 105 - wheel spoke pressure sensor, 106 - pressing head, 107 - control box, 108 - mounting plate, 109 - clamping cylinder, 110 - clamping plate, 111 - servo hydraulic cylinder, 112 - bearing seat, 113 - guide rod, 201 - fixing plate, 202 - safety light curtain. Detailed Description of the Embodiments

[0018] In order to enable those skilled in the art to better understand the present utility model, the technical solutions of the present utility model will be further described below in conjunction with the drawings and embodiments.

[0019] Embodiment 1:

[0020] As Figure 1 and Figure 2 shown, where Figure 1It is a schematic diagram of the overall structure of a lithium battery extrusion device. Figure 2 It is a left view of a lithium battery extrusion device. The present utility model provides a lithium battery extrusion device, which includes a bottom plate 101, a controller 102 and an auxiliary mechanism. The auxiliary mechanism includes a support frame 103, a moving frame 104, a spoke pressure sensor 105, a pressing head 106, a control box 107, a clamping device and a driving device. The clamping device includes a mounting plate 108 and a power assembly. The power assembly includes a clamping cylinder 109 and a clamping plate 110. The driving device includes a servo hydraulic cylinder 111, a bearing seat 112 and a guide rod 113. Through the foregoing solution, it can solve the problem that in the prior art, when the lithium battery shell extrusion test device is actually used, the pressure during the extrusion of the lithium battery shell cannot be detected and displayed in real time, and it is not conducive to quickly determining whether the extrusion of the lithium battery shell is qualified. It can be understood that the foregoing solution can realize real-time data detection and display of the detection pressure during the extrusion of the lithium battery shell, which is conducive to quickly determining whether the extrusion of the lithium battery shell is qualified.

[0021] In this embodiment, the controller 102 is fixedly connected to the bottom plate 101 and is located on the right side of the bottom plate 101. The controller 102 box body is installed on the bottom plate 101 through bolts for device control and is equipped with a touch display screen for easy data display and parameter setting operations.

[0022] Among them, the support frame 103 is fixedly connected to the bottom plate 101 and is located on the bottom plate 101. The spoke pressure sensor 105 is fixedly connected to the moving frame 104, is electrically connected to the controller 102, and is located below the moving frame 104. The pressing head 106 is threadedly connected to the spoke pressure sensor 105 and is located below the spoke pressure sensor 105. The control box 107 is fixedly connected to the bottom plate 101, is electrically connected to the controller 102, and is located on the front side of the bottom plate 101. The clamping device is arranged on the bottom plate 101, and the driving device is arranged on one side of the support frame 103 close to the moving frame 104. The support frame 103 is installed on the bottom plate 101 through a positioning pin and bolts, and the bolts are installed from bottom to top, which is convenient for loosening prevention after the installation of the bottom plate 101. The spoke pressure sensor 105 is fixed on the moving frame 104 by bolts and is electrically connected to the controller 102 through a movable cable. The moving frame 104 is L-shaped, and the threaded end at the top is connected and matched with the driving device. The threaded installation end of the pressing head 106 is installed in the connection hole of the spoke pressure sensor 105. The control box 107 is symmetrically installed on the bottom plate 101 by bolts and is electrically connected to the controller 102 through a movable cable. Control buttons are installed on the control box 107. After the lithium battery case is fixed, the device will only operate when the control buttons are pressed simultaneously, which is beneficial to improving operation safety and preventing the operator's hand from entering the working area of the pressing head 106 during extrusion. The clamping device is arranged on the bottom plate 101 and is used for clamping and fixing the lithium battery case. The driving device is arranged on one side of the support frame 103 close to the moving frame 104 and is used to realize the downward extrusion and upward reset of the pressing head 106.

[0023] Secondly, the mounting plate 108 is fixedly connected to the bottom plate 101 and is located on the bottom plate 101; the power assembly is arranged on one side of the mounting plate 108. The mounting plate 108 is installed on the bottom plate 101 through a positioning pin and bolts, and is arranged in a cross shape. The bolts are installed from bottom to top, which is convenient for loosening prevention after the installation of the bottom plate 101. The power assembly is arranged on one side of the mounting plate 108 to realize the clamping and fixing of the lithium battery case.

[0024] Then, the clamping cylinder 109 is fixedly connected to the mounting plate 108, is electrically connected to the controller 102, and is located on the mounting plate 108; the clamping plate 110 is connected to the output end of the clamping cylinder 109 and is located on the output end of the clamping cylinder 109. The clamping cylinder 109 is installed on the mounting plate 108 by bolts. The clamping plate 110 is circular and is installed on the output end of the clamping cylinder 109 by bolts. The bolts are installed in a countersunk head manner, which is convenient for abutting and clamping.

[0025] Finally, the servo hydraulic cylinder 111 is fixedly connected to the support frame 103, the output end of the servo hydraulic cylinder 111 is connected to the mobile frame 104, and is electrically connected to the controller 102, and is located on the top of the support frame 103; the bearing seat 112 is fixedly connected to the support frame 103, and is located on the side of the support frame 103 close to the servo hydraulic cylinder 111; the guide rod 113 is threadedly connected to the mobile frame 104, and is slidably connected to the bearing seat 112, and is located on the side of the mobile frame 104 close to the bearing seat 112. The servo hydraulic cylinder 111 is installed on the support frame 103 by bolts and is electrically connected to the controller 102 through a movable cable. The threaded mounting shaft end at the top of the mobile frame 104 is directly installed in the threaded mounting hole at the output end of the servo hydraulic cylinder 111. After installation, it is tightened by a locking nut. The bearing seat 112 is T-shaped, and a removable cover plate is provided at the bottom. A linear sliding bearing is installed inside. The top mounting plate is installed in the mounting hole of the support frame 103 by bolts, and the bottom threaded end of the guide rod 113 is installed in the threaded mounting hole of the mobile frame 104. The upper round shaft end can slide with the linear sliding bearing installed in the bearing seat 112 to ensure that the mobile frame 104 descends stably.

[0026] The utility model solves the problem that the pressure of the lithium battery shell extrusion test equipment under the prior art cannot be detected and displayed in real time during actual use, and is not conducive to the rapid judgment of whether the lithium battery shell is qualified during extrusion. The equipment is fixedly installed through the mounting hole on the bottom plate 101. When extruding, the lithium battery shell is first placed on the bottom plate 101, and then the control button of the control box 107 is pressed. The clamping cylinder 109 is actuated first to push out the clamping plate 110 to clamp and fix the lithium battery. Then, after the internal timer of the controller 102 is delayed, the servo hydraulic cylinder 11 1 action, driving the moving frame 104 downward, realizing the downward movement of the spoke pressure sensor 105, further, after the pressure head 106 moves downward, it abuts against the lithium battery shell to squeeze, and the spoke pressure sensor 105 detects the pressure and feeds it back to the controller 102, and after the controller 102 performs calculation processing, the data is displayed through the touch screen on the controller 102, thereby solving the problem that the lithium battery shell extrusion test equipment under the prior art cannot realize real-time data detection and data display of the pressure when the lithium battery shell is squeezed during actual use, and is not conducive to quickly judging whether the lithium battery shell extrusion is qualified.

[0027] Embodiment 2:

[0028] like Figure 3 As shown, Figure 3It is a schematic diagram of the overall structure of a lithium battery extrusion device. On the basis of the first embodiment, the present invention provides a lithium battery extrusion device, and the auxiliary mechanism further includes a fixing plate 201 and a safety light curtain 202.

[0029] Among them, the fixing plate 201 is fixedly connected to the bottom plate 101 and is located on one side of the bottom plate 101 close to the control box 107; the safety light curtain 202 is fixedly connected to the fixing plate 201, is electrically connected to the controller 102, and is located on the fixing plate 201. The fixing plate 201 is T-shaped, is installed on the bottom plate 101 by bolts, is symmetrically arranged, the safety light curtain 202 is installed on the fixing plate 201 by bolts, the safety light curtain 202 is symmetrically arranged, one side is used for emitting light, the other side is used for receiving light, and is respectively electrically connected to the controller 102 through movable cables.

[0030] In this embodiment, the emitter of the safety light curtain 202 emits a number of invisible infrared light beams, and the receiver receives the infrared light beams from the emitter to form a rectangular detection light curtain. The whole light curtain is detected in the way of scanning beam by beam. When any opaque object larger than a certain size (such as a part of the operator's body, an opaque workpiece, etc.) invades the light curtain area, it will cause light shielding. When the photoelectric protection device detects the light shielding, it will enter the "abnormal" state - interrupt the output within the response time of 20 ms, such as the relay changes from closed to open state, the transistor enters the cut-off state, etc., so as to realize that when the operator places the shell from the front side, the arm will be between the safety light curtains 202, and at this time the control system will cut off the working power supply of the servo hydraulic cylinder 111, further improving the working safety of the device.

[0031] The above embodiments only exemplarily illustrate the principle and its effects of the present invention, rather than limiting the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A lithium battery extrusion device, comprising a bottom plate and a controller, wherein the controller is fixedly connected to the bottom plate and is located on the right side of the bottom plate, characterized in that: It also includes auxiliary institutions; The auxiliary mechanism includes a supporting frame, a movable frame, a spoke pressure sensor, a pressure head, a control box, a clamping device and a driving device. The supporting frame is fixedly connected to the base plate and is located on the base plate. The spoke pressure sensor is fixedly connected to the movable frame and is electrically connected to the controller and is located below the movable frame. The pressure head is threadedly connected to the spoke pressure sensor and is located below the spoke pressure sensor. The control box is fixedly connected to the base plate and is electrically connected to the controller and is located on the front side of the base plate. The clamping device is arranged on the base plate. The driving device is arranged on the side of the supporting frame close to the movable frame.

2. The lithium battery extrusion equipment according to claim 1, characterized in that: The clamping device comprises a mounting plate and a power assembly. The mounting plate is fixedly connected to the base plate and is located on the base plate. The power assembly is arranged on one side of the mounting plate.

3. The lithium battery extrusion equipment according to claim 2, characterized in that: The power assembly includes a clamping cylinder and a clamping plate. The clamping cylinder is fixedly connected to the mounting plate, electrically connected to the controller, and located on the mounting plate; the clamping plate is connected to the output end of the clamping cylinder and is located on the output end of the clamping cylinder.

4. The lithium battery extrusion equipment according to claim 1, characterized in that: The driving device includes a servo hydraulic cylinder, a bearing seat and a guide rod. The servo hydraulic cylinder is fixedly connected to the support frame, and the output end of the servo hydraulic cylinder is connected to the movable frame, and is electrically connected to the controller, and is located on the top of the support frame; the bearing seat is fixedly connected to the support frame and is located on a side of the support frame close to the servo hydraulic cylinder; the guide rod is threadedly connected to the movable frame, and is slidably connected to the bearing seat, and is located on a side of the movable frame close to the bearing seat.

5. The lithium battery extrusion equipment according to claim 1, characterized in that: The auxiliary mechanism also includes a fixed plate and a safety light curtain. The fixed plate is fixedly connected to the base plate and is located on the side of the base plate close to the control box. The safety light curtain is fixedly connected to the fixed plate, electrically connected to the controller, and is located on the fixed plate.

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