CN202506568U - Coating machine extrusion die gap adjustment mechanism - Google Patents

Abstract

The utility model discloses a gap adjustment mechanism for an extrusion die head of a coating machine in the technical field of battery electrode production equipment, comprising an extrusion die head, a fixed bracket fixed on a frame, a mobile bracket connected to the fixed bracket in a transverse sliding manner, and a driving device arranged on the fixed bracket, wherein the output end of the driving device is connected to the mobile bracket, and the extrusion die head is arranged on the mobile bracket. During operation, the utility model drives the mobile bracket to slide on the fixed bracket through the driving device, so that the extrusion die head on the mobile bracket contacts the belt body, at which time the slurry in the extrusion die head flows out to coat the belt body, thereby ensuring the coating effect of the belt body, improving the qualified rate of the product, and facilitating market competition.

Description

Coating machine extrusion die gap adjustment mechanism

technical field

The utility model relates to the technical field of battery pole piece production equipment, in particular to an extrusion die gap adjustment mechanism of a coating machine.

Background technique

At present, high-energy-density secondary batteries represented by lithium-ion batteries are increasingly becoming important and indispensable power accessories for communication products such as mobile phones, mobile DVDs, and handheld computers. Lithium-ion batteries include an outer casing that is shaped and protected, and the core inside the outer casing is composed of positive and negative electrode cores and electrolyte. The positive and negative electrode cores include current collectors, the active material layer coated on the surface of the current collectors, the electrode pins electrically connected to the reserved blank areas of the current collectors, and the electrode pins between the positive and negative electrode cores. Among them, the active material layer plays a decisive role in the charge and discharge performance and electric energy capacity of the secondary ion battery. Therefore, in actual production, the active material layer must be coated on the surface of the current collector according to the technical requirements such as the quality and density of the design, and the small-sized pole pieces contained in the battery case must be formed according to the battery specifications and models. These small-sized pole pieces are wound to form an electrode core, and then after glueing, flattening, shelling, cover plate, welding shell, liquid injection, flattening and sealing, the finished battery core is finally made. It can be seen that the process of slurrying the current collector belt to form the active material layer plays a very important role in the production process of the secondary ion battery.

However, in the process of generating pole pieces by applying slurry on the current collector belt, due to the defects of existing structural processing machinery, when the extrusion die with slurry is in contact with the belt, it is easy to Structural defects, poor contact between the extrusion die and the strip body or excessive extrusion of the strip body, resulting in uneven or missing coating during the grouting process, and unqualified pole pieces.

Utility model content

The purpose of the utility model is to provide a coating machine extrusion die gap adjustment mechanism which can ensure the grouting effect and improve the qualified rate of products.

In order to achieve the above object, the technical solution of the present utility model is to provide a coating machine extrusion die gap adjustment mechanism, including extrusion die, a fixed bracket fixed on the frame, and a horizontal sliding connection with the fixed bracket. A moving bracket, a driving device arranged on the fixed bracket, the output end of the driving device is connected with the moving bracket, and the extrusion die is arranged on the moving bracket; during operation, the driving device drives The movable bracket slides on the fixed bracket, so that the extrusion die on the movable bracket contacts the belt body, at this time, the slurry in the extrusion die flows out to smear the belt body, ensuring that the belt body grouting effect.

Preferably, the driving device is an air cylinder.

Preferably, a fine-tuning device is connected between the fixed bracket and the mobile bracket, and the fine-tuning device includes a screw rod connected to the fixed bracket in rotation, a limit stop vertically slidably connected to the fixed bracket Inclined block, a servo motor arranged on the fixed bracket, the output end of the servo motor drives and connects one end of the screw rod, and the screw rod is connected to the limiting inclined block by screw transmission, and the limiting inclined block The block is provided with an inclined surface that can be pushed with the moving bracket; further, when the extrusion die touches the belt body, the servo motor drives the screw to rotate, and the limit inclined block The threaded drive of the rod moves vertically up and down, thereby pushing the moving bracket to slide laterally so as to realize that the gap between the extrusion die head and the belt body is in an optimal state, so that the grouting effect of the belt body is better.

Preferably, the mobile bracket is provided with a prop that can contact the inclined surface of the limiting inclined block; the structure is compact.

Preferably, a running wheel that can contact the slope of the limiting inclined block is rotated on the top column; the running wheel is used to cooperate with the slope so that the slope is not worn, ensuring that the service life of the fine-tuning device described above.

Compared with the prior art, the utility model includes an extrusion die head, a fixed bracket fixed on the frame, a movable bracket connected with the fixed bracket laterally slidably, and a driving device arranged on the fixed bracket. The output end of the driving device is connected with the moving support, and the extrusion die head is arranged on the moving support. During operation, the utility model drives the moving bracket to slide on the fixed bracket through the driving device, so that the extrusion die on the moving bracket touches the belt body, and at this time, the pulp in the extrusion die The material flows out to smear the belt body to ensure the sizing effect of the belt body, improve the pass rate of the product, and be conducive to market competition.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of a partially enlarged structure of the present invention.

Fig. 3 is a use state view of the utility model.

Detailed ways

Below in conjunction with accompanying drawing and preferred embodiment the utility model is further described.

Please refer to Figures 1 to 3, a gap adjustment mechanism for the extrusion die head 2 of a coating machine provided by the utility model includes an extrusion die head 2, a fixed bracket 3, a moving bracket 4, and a driving device 5. The support 3 is fixed on the frame 1, and the movable support 4 is horizontally slidably connected to the fixed support 3, the drive device 5 is arranged on the fixed support 3, and the output end of the drive device 5 is connected to the fixed support 3. The mobile support 4 is connected, and the extrusion die head 2 is arranged on the mobile support 4 . In this embodiment, preferably, the driving device 5 is an air cylinder.

Preferably, a fine-tuning device 6 is connected between the fixed bracket 3 and the mobile bracket 4, and the fine-tuning device 6 includes a threaded rod 61 rotatably connected to the fixed bracket 3, a vertical sliding connection on the The limiting inclined block 62 on the fixed bracket 3, the servo motor 63 arranged on the fixed bracket 3, the output end of the servo motor 63 is driven to connect one end of the screw mandrel 61, and the screw mandrel 61 is connected to the screw mandrel 61. The limiting inclined block 62 is threadedly connected, and the limiting inclined block 62 is provided with an inclined surface 621 that can be pushed against the moving bracket 4. In such a design, when the extrusion die head 2 touches the belt body 7, The servo motor 63 drives the screw rod 61 to rotate, and the limit slant block 62 moves vertically up and down under the screw drive of the screw rod 61, thereby pushing the moving bracket 4 to slide axially to realize the extrusion. The gap between the die head 2 and the strip body 7 is in an optimal state, so that the grouting effect of the strip body 7 is better.

Preferably, the mobile bracket 4 is provided with a top column 41 that can contact the inclined surface 621 of the limiting inclined block 62 , and has a compact structure.

Preferably, a rotating wheel 411 that can contact the slope 621 of the limiting inclined block 62 is rotated on the top column 41, and the rotating wheel 411 is used to cooperate with the slope 621 to make the slope 621 Free from wear and tear, the service life of the fine-tuning device 6 is ensured.

Compared with the prior art, the utility model is interactively connected with the mobile support 4 on the fixed support 3, and the driving device 5 arranged on the fixed support 3 is connected with the mobile support 4. During operation, the The driving device 5 drives the movable bracket 4 to slide on the fixed bracket 3, so that the extrusion die 2 on the movable bracket 4 contacts the belt body 7, and the slurry in the extrusion die 2 flows out The belt body 7 is grouted to ensure the grouting effect of the belt body 7, improve the pass rate of the product, and be beneficial to market competition.

What is disclosed above is only the preferred embodiment of the present utility model, and of course the scope of rights of the present utility model cannot be limited with this. Therefore, the equivalent changes made according to the patent scope of the utility model still belong to the scope covered by the utility model .

Claims (5)

1. A coating machine extrusion die head gap adjustment mechanism, comprising an extrusion die head, is characterized in that: it also includes a fixed bracket fixed on the frame, a mobile bracket connected with the horizontal sliding of the fixed bracket, and is arranged on The driving device on the fixed support, the output end of the driving device is connected with the moving support, and the extrusion die head is arranged on the moving support. 2. The mechanism for adjusting the gap between the extrusion dies of the coating machine according to claim 1, wherein the driving device is an air cylinder. 3. The mechanism for adjusting the gap between extrusion dies of coating machines according to claim 1, characterized in that: a fine-tuning device is connected between the fixed bracket and the moving bracket, and the fine-tuning device includes a rotating connection between the The screw rod on the fixed bracket, the limit inclined block vertically slidably connected to the fixed bracket, the servo motor arranged on the fixed bracket, the output end of the servo motor drives and connects one end of the screw rod, The screw rod is threadedly connected to the limiting inclined block, and the limiting inclined block is provided with an inclined surface that can be pushed against the moving bracket. 4 . The mechanism for adjusting the gap between the extrusion dies of the coating machine according to claim 3 , wherein the moving bracket is provided with a push column that can push against the inclined surface of the limiting inclined block. 5 . 5 . The mechanism for adjusting the gap between the extrusion dies of the coating machine according to claim 4 , wherein a rotating wheel that can contact the inclined surface of the limiting inclined block is rotated on the pushing column. 5 .

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