Tab die cutting device for lithium battery processing

Abstract

The utility model relates to the technical field of batteries, in particular to a tab die cutting device for lithium battery processing, which is characterized in that first support frames are suspended on the front side and the rear side in a casing, a limiting ring is fixedly sleeved on a pressing wheel, second support frames are respectively suspended in the casing and positioned above the two first support frames, and connecting rods are hinged to the left sides and the right sides of the upper parts of the first support frames; first sliding blocks are arranged in two sliding grooves formed in the lower portion of the second supporting frame in a sliding mode, the first sliding blocks rotationally sleeve a first two-way lead screw through threads, a first motor is fixedly arranged on the right side of the front side wall of the machine shell, and a second two-way lead screw is fixedly arranged on an output shaft of the first motor. The second two-way lead screw is rotationally arranged in the machine shell through a bearing, adaptive limiting can be conducted according to the specification of the tab, and the situation that the position of the tab deviates in the die cutting process, and consequently the die cutting precision is reduced is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a tab die-cutting device for processing lithium batteries. Background Art

[0002] Tabs It is a component of soft-pack lithium-ion battery products. The battery is divided into positive and negative electrodes. Tabs It is a metal conductor that leads the positive and negative electrodes from the battery cell. In order to improve the die-cutting efficiency of the tab, the tab is often placed on a conveying device, and a laser die-cutting device is used to die-cut the tab during the conveying process. However, the conveying equipment will also cause the tab to vibrate to a certain extent during operation, causing the tab to shift in position, which will affect the die-cutting accuracy of the tab. Therefore, there is an urgent need for a tab die-cutting device for lithium battery processing. Summary of the Invention

[0003] The purpose of the utility model is to provide a reasonably designed tab die-cutting device for lithium battery processing in order to solve the above problems in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: it comprises a housing and a laser die-cutting component, the housing is fixedly arranged on a conveying frame, and the laser die-cutting component is arranged in the housing;

[0005] It also contains:

[0006] The first support frame is provided in two pieces, and is suspended on the front and rear sides of the casing respectively. The left and right sides of the opposite side walls of the two first support frames are rotatably connected to the pressure wheel through the shaft and the bearing, and the fixed sleeve on the pressure wheel is provided with a limit ring;

[0007] No. 2 support frame, there are two No. 2 support frames, each suspended in the housing above the two No. 1 support frames, with connecting rods hinged on both sides of the upper part of the No. 1 support frame, and No. 1 sliders slidingly arranged in two slide grooves opened at the lower part of the No. 2 support frame, and the upper end of the connecting rod is hinged to the No. 1 slider;

[0008] A No. 1 bidirectional screw, wherein there are two No. 1 bidirectional screws, each of which is rotatably arranged in two No. 2 support frames through bearings, a No. 1 slider is rotatably sleeved on the No. 1 bidirectional screw through a thread, and a thickness synchronization adjustment mechanism connected to the No. 1 bidirectional screw is provided on the casing;

[0009] No. 1 motor, the No. 1 motor is fixedly arranged at the right position of the front side wall of the casing, and a No. 2 bidirectional screw is fixedly arranged on the output shaft of the No. 1 motor. The No. 2 bidirectional screw is rotatably arranged in the casing through a bearing, and the No. 2 bidirectional screw is rotatably arranged on two No. 2 support frames through a thread.

[0010] Furthermore, the thickness synchronization adjustment mechanism includes:

[0011] A second motor, the second motor being fixedly mounted on the front side wall of the housing, a control lever being fixedly mounted on the output shaft of the second motor, and the control lever being rotatably mounted in the housing via a bearing;

[0012] There are two rotating cylinders, which are rotatably installed on the left side of the two No. 2 support frames through bearings. The control rod is movably installed in the two rotating cylinders. The left end of the No. 1 bidirectional screw is connected to the rotating cylinder through a bevel gear pair.

[0013] Furthermore, fixed rails are fixedly provided on the left and right sides of the inner top wall of the casing, two No. 2 sliders are slidably provided on the fixed rails, and the No. 2 sliders are fixedly connected to the No. 2 support frame.

[0014] Furthermore, a guide rod is fixedly provided at the lower portion of the second support frame, and the guide rod is movably provided on the first support frame.

[0015] Furthermore, a limit block is fixedly provided on the lower end of the guide rod.

[0016] Compared with the prior art, the beneficial effect of the present invention is that the tab die-cutting device for lithium battery processing described in the present invention can be adapted and limited according to the specifications of the tab, thereby avoiding positional displacement of the tab during the die-cutting process and reducing the die-cutting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 It is a cross-sectional view of the casing in the present utility model.

[0019] Figure 3 yes Figure 2 Enlarged view of part A in .

[0020] Figure 4 It is a cross-sectional view of the No. 2 support frame in the present utility model.

[0021] Description of reference numerals:

[0022] Casing 1, laser die-cutting assembly 2, support frame No. 1 3, pressure wheel 4, limit ring 5, support frame No. 2 6, connecting rod 7, slider No. 1 8, bidirectional lead screw No. 1 9, thickness synchronization adjustment mechanism 10, motor No. 2 10-1, control rod 10-2, rotating cylinder 10-3, bevel gear pair 10-4, motor No. 1 11, bidirectional lead screw No. 2 12, fixed rail 13, slider No. 2 14, guide rod 15, limit block 16. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The preferred embodiments in the description are only used as examples. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

[0024] like Figure 1-Figure 4 As shown, this specific embodiment adopts the following technical solution: it includes a housing 1 and a laser die-cutting component 2, the housing 1 is fixedly arranged on a conveyor frame, and the laser die-cutting component 2 is arranged in the housing 1;

[0025] It also contains:

[0026] The first support frame 3 is two, and is suspended on the front and rear sides of the casing 1 respectively. The left and right sides of the opposite side walls of the two first support frames 3 are rotatably connected to the pressure wheel 4 through the shaft and bearing. The pressure wheel 4 is fixed with a limiting ring 5;

[0027] The second support frame 6, the second support frame 6 is two, respectively suspended in the casing 1 at the upper position of the two first support frames 3, the left and right sides of the upper part of the first support frame 3 are hinged with connecting rods 7, the two slide grooves opened at the lower part of the second support frame 6 are slidably provided with a No. 1 slider 8, the upper end of the connecting rod 7 is hinged to the No. 1 slider 8, the left and right sides of the top wall of the casing 1 are fixedly provided with fixed rails 13, and two No. 2 sliders 14 are slidably provided on the fixed rails 13, and the No. 2 slider 14 is fixedly connected to the No. 2 support frame 6, through The fixed rail 13 and the second slider 14 can provide auxiliary support and movement guidance for the second support frame 6, thereby improving the stability of the second support frame 6 in the casing 1. A guide rod 15 is fixedly provided at the lower part of the second support frame 6, and the guide rod 15 is movably arranged on the first support frame 3. The guide rod 15 can provide auxiliary guidance for the movement of the first support frame 3, thereby improving the movement stability of the first support frame 3. A limit block 16 is fixedly provided at the lower end of the guide rod 15, and the limit block 16 can provide the first support frame 3 with a limit at the lowest position inside the casing 1;

[0028] A first bidirectional screw 9, which is provided in pairs and is rotatably mounted in two second support frames 6 via bearings. A first slider 8 is rotatably mounted on the first bidirectional screw 9 via a thread. A thickness synchronization adjustment mechanism 10 connected to the first bidirectional screw 9 is provided on the casing 1.

[0029] A No. 1 motor 11 is fixedly disposed at the right side of the front side wall of the housing 1. A No. 2 bidirectional lead screw 12 is fixedly disposed on the output shaft of the No. 1 motor 11. The No. 2 bidirectional lead screw 12 is rotatably disposed within the housing 1 via a bearing, and the No. 2 bidirectional lead screw 12 is rotatably disposed on the two No. 2 support frames 6 via threads.

[0030] The thickness synchronous adjustment mechanism 10 comprises:

[0031] A second motor 10-1 is fixedly mounted on the front side wall of the housing 1. A control rod 10-2 is fixedly mounted on the output shaft of the second motor 10-1. The control rod 10-2 is rotatably mounted in the housing 1 via a bearing.

[0032] There are two rotating cylinders 10-3, which are rotatably installed on the left side of the two No. 2 support frames 6 through bearings. The control rod 10-2 is movably installed in the two rotating cylinders 10-3. The left end of the No. 1 bidirectional screw 9 is connected to the rotating cylinder 10-3 through a bevel gear pair 10-4.

[0033] When the present invention is used, the conveyor frame drives the tab to move into the housing 1, and the laser die-cutting assembly 2 performs laser die-cutting on the tab. During this process, the pressing wheel 4 presses on the upper part of the tab, and the limiting ring 5 also contacts the side of the tab to limit the position of the tab and prevent the tab from shifting or bending.

[0034] When it is necessary to adapt according to the width specifications of the tab, the No. 1 motor 11 can be started, and the No. 1 motor 11 drives the No. 2 bidirectional screw 12 to rotate, so that the No. 2 support frames 6 on both sides move synchronously in the opposite direction, and the No. 1 slider 8 and the connecting rod 7 are used to adjust the distance between the No. 1 support frames 3 on both sides, and then adjust the distance between the front and rear pressure wheels 4 and the front and rear limit rings 5, so as to realize the centering restriction of the tab by the limit ring 5 according to the different width specifications of the tab;

[0035] When it is necessary to adapt according to the thickness specifications of the tabs, the No. 2 motor 10-1 can be started, and the No. 2 motor 10-1 drives the control rod 10-2 to rotate, and the control rod 10-2 drives the two rotating cylinders 10-3 to rotate, and the rotating cylinder 10-3 drives the No. 1 bidirectional screw 9 to rotate through the bevel gear pair 10-4, so that the No. 1 sliders 8 on the left and right sides move synchronously in opposite directions, and the No. 1 support frame 3 is driven up and down by the cooperation of the connecting rod 7 to adjust the height position of the pressure wheel 4 in the casing 1.

[0036] Compared with the prior art, the beneficial effects of the present invention are:

[0037] Through the cooperation of the No. 1 support frame 3, the pressure wheel 4, the limiting ring 5, the No. 2 support frame 6, the connecting rod 7, the No. 1 slider 8, the No. 1 bidirectional screw 9, the thickness synchronization adjustment mechanism 10, the No. 1 motor 11 and the No. 2 bidirectional screw 12, the positioning can be adapted according to the specifications of the tab to avoid positional deviation of the tab during the die-cutting process and reduce the die-cutting accuracy;

[0038] The fixed rail 13 and the second slider 14 can provide auxiliary support and movement guidance for the second support frame 6, thereby improving the stability of the second support frame 6 in the housing 1.

[0039] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.

Claims

1. A tab die-cutting device for processing lithium batteries, comprising a housing (1) and a laser die-cutting assembly (2), wherein the housing (1) is fixedly mounted on a conveyor frame, and the laser die-cutting assembly (2) is disposed within the housing (1); Its characteristics are: It also contains: A No. 1 support frame (3), wherein the No. 1 support frame (3) is two and is suspended on the front and rear sides of the housing (1), respectively. The left and right sides of the opposite side walls of the two No. 1 support frames (3) are rotatably connected to a pressure wheel (4) through a shaft and a bearing, and a limiting ring (5) is provided on the fixed sleeve of the pressure wheel (4); The second support frame (6) is two, and the second support frame (6) is suspended in the housing (1) at positions above the two first support frames (3). The left and right sides of the upper portion of the first support frame (3) are both hinged with connecting rods (7). The two sliding grooves provided at the lower portion of the second support frame (6) are both slidably provided with a first slider (8). The upper end of the connecting rod (7) is hinged with the first slider (8); A No. 1 bidirectional screw (9), wherein the No. 1 bidirectional screw (9) is two and is respectively rotatably arranged in two No. 2 support frames (6) through bearings, a No. 1 slider (8) is rotatably sleeved on the No. 1 bidirectional screw (9) through a thread, and a thickness synchronization adjustment mechanism (10) connected to the No. 1 bidirectional screw (9) is provided on the housing (1); A No. 1 motor (11), the No. 1 motor (11) is fixedly arranged at the right position of the front side wall of the casing (1), a No. 2 bidirectional lead screw (12) is fixedly arranged on the output shaft of the No. 1 motor (11), the No. 2 bidirectional lead screw (12) is rotatably arranged in the casing (1) through a bearing, and the No. 2 bidirectional lead screw (12) is rotatably arranged on the two No. 2 support frames (6) through a thread.

2. The tab die-cutting device for lithium battery processing according to claim 1, characterized in that: The thickness synchronization adjustment mechanism (10) comprises: A second motor (10-1), the second motor (10-1) being fixedly mounted on the front side wall of the housing (1), a control rod (10-2) being fixedly mounted on the output shaft of the second motor (10-1), and the control rod (10-2) being rotatably mounted in the housing (1) via a bearing; There are two rotating cylinders (10-3), each of which is rotatably arranged on the left side of the interior of the two No. 2 support frames (6) via bearings. The control rod (10-2) is movably arranged in the two rotating cylinders (10-3). The left end of the No. 1 bidirectional lead screw (9) is transmission-connected to the rotating cylinder (10-3) via a bevel gear pair (10-4).

3. The tab die-cutting device for lithium battery processing according to claim 1, characterized in that: Fixed rails (13) are fixedly provided on both left and right sides of the inner top wall of the casing (1), two second sliders (14) are slidably provided on the fixed rails (13), and the second sliders (14) are fixedly connected to the second support frame (6).

4. The tab die-cutting device for lithium battery processing according to claim 1, characterized in that: A guide rod (15) is fixedly provided at the lower portion of the second support frame (6), and the guide rod (15) is movably installed on the first support frame (3).

5. The tab die-cutting device for lithium battery processing according to claim 4, characterized in that: A limiting block (16) is fixedly provided at the lower end of the guide rod (15).

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