A battery pole piece coating thickness detection device

Abstract

The utility model relates to the technical field of coating thickness detection, concretely to a battery pole piece coating thickness detection device, including two laser detection heads, install the ranging adjustment mechanism on two laser detection heads, install two groups of pole piece calibration mechanism on two laser detection heads and the pole piece clamped between two groups of pole piece calibration mechanism, ranging adjustment mechanism includes two brackets, the outside fixed mounting of bracket has symmetric distribution's two stud, and the activity installation of one bottom bracket has bidirectional screw rod. Through installing pole piece calibration mechanism on the end of the existing laser detection head, with the pole piece being actively delivered to between two groups of pole piece calibration mechanism, the pole piece during being bidirectional clamped and uniform speed delivery of two groups of rotating rollers can be forced straightening and flattening, and finally the pole piece after being forced flattening can be accurately detected by two laser detection heads of symmetric distribution, avoids the risk of scratch of the pole piece bending part after passing through the laser detection head.

Description

Technical Field

[0001] This utility model relates to the field of coating thickness detection technology, specifically a battery electrode coating thickness detection device. Background Technology

[0002] The thickness detection of battery electrode coatings plays a crucial role in battery performance, safety, and production quality control. The quality inspection of battery electrodes is a key step in the battery production process, and parameters such as electrode thickness, uniformity, coating quality, and porosity all affect the battery's charge-discharge performance, cycle life, and safety.

[0003] Currently, after the substrate of the battery electrode is actively delivered by a conveyor, it will go through multiple coating processes. After the substrate coating is completed, the electrode to be delivered needs to be transferred to the predetermined position of the laser detector. However, there are certain drawbacks in the process of the electrode passing through the end face of the detection instrument. Since the end face of the detector needs to be in contact with the coating surface, and the electrode is bent during the delivery, if the bent area is not effectively flattened, the coating on the surface of the electrode will be scratched by the end face of the detector, which may seriously affect the safety of the electrode.

[0004] In view of this, a battery electrode coating thickness detection device was designed to solve the above problems. Utility Model Content

[0005] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.

[0006] Therefore, the technical solution adopted by this utility model is as follows: A battery electrode coating thickness detection device includes two laser probes, a ranging adjustment mechanism mounted on the two laser probes, two sets of electrode calibration mechanisms mounted on the two laser probes, and an electrode clamped between the two sets of electrode calibration mechanisms. The ranging adjustment mechanism includes two brackets, with two symmetrically distributed column heads fixedly mounted on the outside of each bracket. A bidirectional lead screw is movably mounted inside the bottom bracket, and a threaded connection is installed on the outside of the bidirectional lead screw in the top bracket. Limiting rods are movably mounted inside both brackets. A first fastener is fixedly mounted on the outer end of each bracket, with two combined bolts installed inside the first fastener, and a second fastener is mounted on the outside of the two combined bolts. The laser probes include components mounted inside the first and second fasteners. The electrode calibration mechanism includes a ring mounted on the end of the laser probe, with two symmetrically distributed outer frames fixedly mounted on both sides of the ring. A protective washer is movably mounted on the outer end of each outer frame, and a housing is fixedly mounted on the protective washer. A stabilizing roller is movably mounted inside the housing.

[0007] In a preferred embodiment, the present invention can be further configured such that: the bracket is composed of an end rod, a rectangular pad, and a lever arm, and the two column heads are fixedly installed on both sides of the rectangular pad; The two column heads at the bottom are fitted with pads, and the pads have two slots inside.

[0008] In a preferred embodiment, the present invention can be further configured such that: two symmetrically distributed springs are provided on the outside of the limiting rod, and the two springs are respectively pressed on two brackets.

[0009] In a preferred embodiment, the present invention can be further configured such that rubber anti-slip pads are fixedly installed on the inner walls of both the first fastener and the second fastener.

[0010] In a preferred embodiment, the present invention can be further configured such that: a compression spring is provided on the outside of the protective washer, and one end of the compression spring is fixedly installed on the outer frame.

[0011] In a preferred embodiment, the present invention can be further configured such that the stabilizing roller is composed of a shaft and a roller sleeve, and the outside of the roller sleeve is equipped with an anti-slip layer.

[0012] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows: 1. This utility model installs an electrode calibration mechanism on the end of an existing laser probe. As the electrode is actively delivered between two sets of electrode calibration mechanisms, it is forced to straighten and flatten during the bidirectional clamping and uniform delivery by two sets of rotating rollers. Finally, the electrode after being forced to flatten is accurately detected by two symmetrically distributed laser probes, avoiding the risk of scratches on the bent part of the electrode after passing through the laser probe.

[0013] 2. This utility model adds multiple sets of distance measurement and adjustment mechanisms along the electrode delivery path and pre-installs these mechanisms with different parts of the electrode. As the electrode is continuously stretched, multi-point detection of electrode sheets of different sizes can be achieved. Attached Figure Description

[0014] Figure 1 This is a schematic diagram illustrating the use of this utility model; Figure 2 This is a bottom view of the present invention; Figure 3 This is a schematic diagram of the distance measuring adjustment mechanism of this utility model; Figure 4 This is a schematic diagram of the electrode calibration mechanism of this utility model.

[0015] Figure label: 100. Distance measuring adjustment mechanism; 110. Bracket; 1101. Column head; 120. Pad; 130. First fastener; 140. Second fastener; 150. Combination bolt; 160. Limiting rod; 170. Spring; 180. Double-acting screw; 200. Electrode calibration mechanism; 210. Ring sleeve; 2101. Outer frame; 220. Protective washer; 230. Outer shell; 240. Compression spring; 250. Stabilizing roller; 300. Laser detector head; 400, Electrode. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.

[0017] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.

[0018] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, a battery electrode coating thickness detection device.

[0019] Example 1: Combination Figures 1 to 4 As shown, the present invention provides a battery electrode coating thickness detection device, including two laser probes 300, a distance adjustment mechanism 100 mounted on the two laser probes 300, two sets of electrode calibration mechanisms 200 mounted on the two laser probes 300, and an electrode 400 clamped between the two sets of electrode calibration mechanisms 200. The distance adjustment mechanism 100 is used to adjust the distance between the two laser probes 300. The two sets of electrode calibration mechanisms 200 are respectively mounted on the two laser probes 300 and are used to forcibly straighten and flatten the horizontally placed electrode 400.

[0020] The ranging adjustment mechanism 100 includes two brackets 110. Two symmetrically distributed column heads 1101 are fixedly installed on the outside of the brackets 110. A bidirectional lead screw 180 is movably installed inside the bottom bracket 110. The top bracket 110 is threaded onto the outside of the bidirectional lead screw 180. Limiting rods 160 are movably installed inside the two brackets 110. A first fastener 130 is fixedly installed on the outer end of the bracket 110. Two combined bolts 150 are installed inside the first fastener 130. A second fastener 140 is installed on the outside of the two combined bolts 150. The bracket 110 consists of an end rod, a rectangular pad, and a lever arm, with two column heads 1101 fixedly installed on both sides of the rectangular pad; Two base plates 120 are installed on the outside of the two column heads 1101 at the bottom, and two slots are opened inside the base plates 120. The laser probe 300 includes components installed within the first fastener 130 and the second fastener 140; The electrode calibration mechanism 200 includes a ring 210 installed on the end of the laser probe head 300. Two symmetrically distributed outer frames 2101 are fixedly installed on both sides of the ring 210. A protective washer 220 is movably installed on the outer end of the outer frame 2101. A housing 230 is fixedly installed on the protective washer 220. A stabilizing roller 250 is movably installed inside the housing 230.

[0021] In use, the pad 120 is pre-fixed on the workbench with bolts, and the bracket 110 at the bottom provides an effective support platform for the two sets of electrode calibration mechanisms 200 and the two laser probes 300. As the electrode 400 is pulled and passes through the two sets of electrode calibration mechanisms 200 at a constant speed, the bent parts of the electrode 400 are forcibly straightened by the two sets of stabilizing rollers 250. After the straightened electrode 400 continues to be stretched along the inner side of the two sets of stabilizing rollers 250, the two symmetrically distributed laser probes 300 can accurately detect the two sides of the straightened electrode 400. The two protective washers 220 are attached to both sides of the electrode 400. As the electrode 400 is stretched laterally, the two protective washers 220 serve as the support carriers for the two laser probes 300, thus preventing the electrode 400 from being scratched by hard foreign objects during the lateral movement.

[0022] Example 2: Combination Figure 3 As shown, based on Embodiment 1, two symmetrically distributed springs 170 are provided on the outside of the limiting rod 160, and the two springs 170 are respectively pressed on the two brackets 110. Rubber anti-slip pads are fixedly installed on the inner walls of both the first fastener 130 and the second fastener 140.

[0023] Preferably, one end of the spring 170 is fixedly installed on the pad at the outer end of the limiting rod 160, and the other end of the spring 170 is fixedly installed on the rectangular pad inside the bracket 110. As the bidirectional lead screw 180 rotates clockwise, the top bracket 110 will descend. Conversely, after the bidirectional lead screw 180 rotates clockwise, the two brackets 110 will expand outward. This process can be used to adapt and pre-install electrodes 400 of different thicknesses.

[0024] Example 3: Combination Figure 4 As shown, in the above embodiment, a compression spring 240 is provided on the outside of the protective washer 220, and one end of the compression spring 240 is fixedly installed on the outer frame 2101. The stabilizing roller 250 consists of a shaft and a roller sleeve, and the outside of the roller sleeve is equipped with an anti-slip layer.

[0025] Preferably, the rod of the protective washer 220 is adapted to pass through the through hole of the rod segment of the outer frame 2101, and the two ends of the compression spring 240 are respectively fixed on the protective washer 220 and the outer frame 2101, and the compression spring 240 is used to provide sufficient and effective reset support force for the protective washer 220 and the outer frame 2101.

[0026] The working principle and usage process of this utility model are as follows: The pad 120 is fixedly installed on the workbench with multiple bolts in advance. Then, the bidirectional lead screw 180 is rotated. As the top wheel of the bidirectional lead screw 180 is rotated, a bracket 110 placed on top will descend along the threaded section of the bidirectional lead screw 180 until the distance between the two laser detector heads 300 gradually decreases. The two sets of electrode calibration mechanisms 200 installed on the ends of the two laser detector heads 300 will clamp the horizontally placed electrode 400 on both sides until the clamped electrode 400 is calibrated and constrained in the horizontal direction. At this time, the two symmetrically distributed stabilizing rollers 250 will bear pressure on the coating on the outer surface of the electrode 400, and the two protective washers 220 will adapt and fit the coating on the surface of the electrode 400. As the electrode 400 is stretched by the external traction device, both sides of the electrode 400 pass through two sets of stabilizing rollers 250. The coating on both sides of the electrode 400, which is fitted by two protective washers 220, can be effectively measured by two laser probes 300. The detection process avoids scratching the surface coating of the electrode 400 by the tip of the laser probe 300. At the same time, the part of the electrode 400 to be tested can be forcibly straightened and leveled to ensure the validity of the test data.

[0027] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A battery electrode coating thickness detection device, comprising two laser probes (300), characterized in that, It also includes a ranging adjustment mechanism (100) mounted on two laser probes (300), two sets of electrode calibration mechanisms (200) mounted on two laser probes (300), and an electrode (400) clamped between the two sets of electrode calibration mechanisms (200). The ranging adjustment mechanism (100) includes two brackets (110). Two symmetrically distributed column heads (1101) are fixedly installed on the outside of the brackets (110). A bidirectional lead screw (180) is movably installed in the bottom bracket (110). The top bracket (110) is threaded onto the outside of the bidirectional lead screw (180). Limiting rods (160) are movably installed in the two brackets (110). A first fastener (130) is fixedly installed on the outer end of the bracket (110). Two combined bolts (150) are installed in the first fastener (130). A second fastener (140) is installed on the outside of the two combined bolts (150). The laser probe (300) is installed in the first fastener (130) and the second fastener (140).

2. The battery electrode coating thickness detection device according to claim 1, characterized in that, The electrode calibration mechanism (200) includes a ring (210) installed on the end of the laser probe head (300). Two symmetrically distributed outer frames (2101) are fixedly installed on both sides of the ring (210). A protective washer (220) is movably installed on the outer end of the outer frame (2101). A shell (230) is fixedly installed on the protective washer (220). A stabilizing roller (250) is movably installed inside the shell (230).

3. The battery electrode coating thickness detection device according to claim 1, characterized in that, The bracket (110) consists of an end rod, a rectangular pad, and a lever arm, and the two column heads (1101) are fixedly installed on both sides of the rectangular pad; A pad (120) is installed on the outside of the two bottom column heads (1101), and the pad (120) has two slots inside.

4. The battery electrode coating thickness detection device according to claim 1, characterized in that, The limiting rod (160) is provided with two symmetrically distributed springs (170), and the two springs (170) are respectively pressed on the two brackets (110).

5. The battery electrode coating thickness detection device according to claim 1, characterized in that, Rubber anti-slip pads are fixedly installed on the inner walls of the first fastener (130) and the second fastener (140).

6. The battery electrode coating thickness detection device according to claim 2, characterized in that, The protective washer (220) is provided with a compression spring (240) on its outside, and one end of the compression spring (240) is fixedly installed on the outer frame (2101).

7. The battery electrode coating thickness detection device according to claim 2, characterized in that, The stabilizing roller (250) consists of a shaft and a roller sleeve, and the outside of the roller sleeve is equipped with an anti-slip layer.

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