CN116315002A - Sealing mechanism with pre-seal - Google Patents

Abstract

The sealing mechanism with the pre-sealing function comprises a frame, wherein an installation flat plate is arranged at the top of the frame, a conveying line is arranged on the installation flat plate and comprises a conveying line support and a conveying chain arranged on the conveying line support, and a plurality of battery tools are arranged on the conveying chain at equal intervals; and a pre-sealing mechanism and a sealing mechanism are sequentially arranged along the conveying direction of the conveying line. The pre-sealing mechanism comprises a pre-sealing support, a pre-sealing pressure head, a first lifting driving mechanism arranged on the pre-sealing support and used for driving the pre-sealing pressure head to move up and down, and a second lifting driving mechanism arranged below the pre-sealing pressure head and capable of lifting and driving the pre-sealing support. According to the invention, the sealing is completed through two sealing actions, and the force applied to the battery is smaller each time, so that the structural damage to the battery shell is reduced, and the rejection rate is reduced.

Description

Sealing mechanism with pre-seal

technical field

The invention relates to a sealing mechanism with pre-sealing, belonging to the field of cylindrical battery sealing.

Background technique

Sealing cylindrical batteries is an essential process in battery manufacturing. At present, the sealing is all one-time sealing, which needs to apply a large force, which is easy to cause impact on the battery case, resulting in structural damage to the battery case, and high product scrap rate.

Contents of the invention

Aiming at the deficiencies of the prior art, the invention provides a sealing mechanism with pre-sealing which reduces the battery scrap rate.

The sealing mechanism with pre-sealing includes a frame, a mounting plate on the top of the frame, a conveying line is arranged on the mounting plate, the conveying line includes a conveying line support, a conveying chain arranged on the conveying line support, and multiple battery tooling;

The pre-sealing mechanism and the sealing mechanism are arranged in sequence along the conveying direction of the conveying line.

The pre-sealing mechanism includes a pre-sealing bracket, a pre-sealing pressure head, a lifting drive mechanism 1 arranged on the pre-sealing bracket for driving the lifting movement of the pre-sealing pressure head, and also includes a The liftable pre-sealing support, driving the lifting drive mechanism two of the pre-sealing support.

Preferably, the pre-sealing mechanism also includes a pre-sealing feedback structure, the pre-sealing feedback structure includes a mounting box connected to the pre-sealing bracket, a position sensor fixed in the mounting box for detecting the position of the pre-sealing pressure head , the lifting drive mechanism one is connected with the pre-sealing pressure head through a pressure sensor.

Preferably, the pre-sealing bracket includes a bottom plate I connected with the installation plate, and a vertical plate I connected with the bottom plate one, and the lifting drive mechanism one is arranged on the vertical plate one.

Preferably, the sealing mechanism includes a sealing frame, a sealing punch arranged on the sealing frame, the sealing punch has a sealing head, and also includes a sealing support arranged under the sealing head, and the sealing support can Lifting is connected on the described sealing frame, and is driven by the lifting drive mechanism 3 that is arranged on the described sealing frame.

Preferably, the sealing frame includes a second bottom plate connected to the installation plate, and a second vertical plate connected to the second bottom plate, and the sealing punch is fixedly connected to the second vertical plate.

In summary, the present invention has the following beneficial effects:

1: The present invention: the sealing is completed by two sealing actions, and the force exerted on the battery is relatively small each time, which reduces the structural damage to the battery shell and reduces the scrapping rate.

Description of drawings

Figure 1 is a schematic structural view of the sealing mechanism.

Fig. 2 is a structural schematic diagram of the pre-sealing mechanism.

Fig. 3 is a structural schematic diagram of a pre-sealing feedback structure.

Fig. 4 is a structural schematic diagram of the sealing mechanism.

Fig. 5 is a structural schematic diagram of the dust removal mechanism.

Detailed ways

The present invention will be further described through specific embodiments below in conjunction with the accompanying drawings.

Embodiment: as shown in Figure 1-4, have the sealing mechanism of pre-sealing, comprise frame 1, frame 1 top has installation plate 11, is provided with conveying line on mounting plate 11, and conveying line comprises conveying line support 21, is arranged on conveying Conveying chain 22 on the wire support 21, conveying chain 22 is installed on the sprocket wheel, and sprocket wheel is driven by motor, and a plurality of battery frocks 23 are set at equal intervals on the conveying chain 22, and during conveying, battery is in the battery frock.

In this embodiment, the pre-sealing mechanism 4 and the sealing mechanism 3 are sequentially arranged along the conveying direction of the conveying line. Wherein, the pre-sealing mechanism 4 includes a pre-sealing support 41, a pre-sealing pressure head 42, a lifting drive mechanism-43 for driving the lifting motion of the pre-sealing pressure head 42 arranged on the pre-sealing support 41, and a lifting drive mechanism One 43 can adopt air cylinder, also comprises the liftable pre-sealing support 44 that is arranged on pre-sealing pressure head 42 below, drives the lift drive mechanism two 45 of described pre-sealing support 44, and lift drive mechanism two 45 can adopt air cylinder, lift drive Mechanism 2 45 is blocked and cannot be seen due to the viewing angle. When the pre-sealing is working, the lifting drive mechanism 2 45 makes the pre-sealing support 44 rise and withstand the bottom of the battery tooling, and at the same time, the lifting driving mechanism 1 43 works, so that the pre-sealing pressure head 42 acts on the battery head to complete the pre-sealing . After completing the pre-sealing work, the conveyor chain 22 transports the tooling to the sealing mechanism 3 for secondary sealing.

In this embodiment, the sealing is completed through two sealing actions, and each sealing action exerts relatively small force on the battery, thereby reducing structural damage to the battery casing and reducing the scrapping rate.

The pre-sealing bracket 41 includes a bottom plate 1 411 connected to the installation plate 11 , and a vertical plate 1 412 connected to the bottom plate 1 411 , and the lifting drive mechanism 1 43 is arranged on the vertical plate 1 412 .

Generally, the upper computer sets the pressing distance and pressing force of the pre-sealing pressure head 42 to seal a plurality of batteries.

Preferably, the pre-sealing mechanism 4 also includes a pre-sealing feedback structure 46, and the pre-sealing feedback structure 46 includes an installation box 461 connected to the pre-sealing support 41, a device fixedly arranged in the installation box 461 for detecting the pre-sealing The position sensor 462 for the position of the sealing pressure head 42 , the lifting drive mechanism 1 43 is connected with the pre-sealing pressure head 42 through the pressure sensor 463 . Through the position sensor 462, when the pre-sealing pressure head 42 is pressed in place, combined with the pressure obtained by the pressure sensor 463, it is judged whether the pressure is in place. If the pressure is not in place, it means that a certain part of the battery case is deformed or the battery case It is unqualified by itself. In this case, the battery can be taken out by an external robot to prevent it from flowing into the next process.

As shown in Figure 4, the sealing mechanism 3 includes a sealing frame 31, a sealing punch 32 arranged on the sealing frame 31, the sealing punch 32 has a sealing head 33, and also includes a sealing head 33 arranged on the sealing head 33. The sealing support 34 below, the sealing support 34 can be lifted and connected on the sealing frame 31, and is driven by the lifting drive mechanism 3 arranged on the sealing frame 31, and the lifting drive mechanism can adopt an air cylinder.

The sealing frame 31 includes a base plate 2 311 connected to the installation plate 11, and a vertical plate 2 312 connected with the base plate 2 311. The sealing punch 32 is fixedly connected to the vertical plate 2 312. Plate two 312 is also provided with a vertical guide groove, which is stuck with a slide block 35 that is connected to the sealing support 34 and can slide up and down in the vertical guide groove, and the piston rod of the lifting drive mechanism three is connected with the slide block 35. Due to the viewing angle, the third driving mechanism is blocked by the second vertical plate 312 and cannot be seen. During sealing work, the action of the cylinder makes the sealing support 34 rise and withstand the bottom of the battery tooling. At the same time, the sealing punch 32 works, and its sealing pressure head 33 acts on the sealing head of the battery to complete the sealing.

Also comprise the dedusting mechanism 7 that is arranged on the conveying direction of conveying line, as shown in Figure 5, dedusting mechanism 7 comprises the liftable dedusting cover 71 that is arranged on the conveying chain 22 tops with negative pressure suction port, and described dedusting cover 71 The connected lifting cylinder 71 is connected to the mounting plate 11 . In this embodiment, the dust removal mechanism 7 is provided on the front side of the sealing mechanism 3 .

The above-mentioned embodiments are only descriptions of preferred implementations of the present invention, and are not intended to limit the concept and scope of the present invention. Under the premise of not departing from the design concept of the present invention, various modifications and improvements made by ordinary persons in the art to the technical solution of the present invention shall fall within the scope of protection of the present invention, and the technical content claimed in the present invention has been fully described in the claims.

Claims (7)

1. The sealing mechanism with the pre-sealing function is characterized by comprising a frame (1), wherein an installation flat plate (11) is arranged at the top of the frame (1), a conveying line is arranged on the installation flat plate (11), the conveying line comprises a conveying line bracket (21) and a conveying chain (22) arranged on the conveying line bracket (21), and a plurality of battery tools (23) are arranged on the conveying chain (22) at equal intervals;

a pre-sealing mechanism (4) and a sealing mechanism (3) are sequentially arranged along the conveying direction of the conveying line;

the pre-sealing mechanism (4) comprises a pre-sealing support (41), a pre-sealing pressure head (42), a first lifting driving mechanism (43) arranged on the pre-sealing support (41) and used for driving the pre-sealing pressure head (42) to move up and down, a pre-sealing support (44) arranged below the pre-sealing pressure head (42) and a second lifting driving mechanism (45) used for driving the pre-sealing support (44) to move up and down.

2. The sealing mechanism with pre-sealing according to claim 1, wherein the pre-sealing mechanism (4) further comprises a pre-sealing feedback structure (46), the pre-sealing feedback structure (46) comprises a mounting box (461) connected to the pre-sealing support (41), a position sensor (462) fixedly arranged in the mounting box (461) for detecting the position of the pre-sealing ram (42), and the lifting driving mechanism I (43) is connected with the pre-sealing ram (42) through a pressure sensor (463).

3. The sealing mechanism with pre-sealing according to claim 1, wherein the pre-sealing bracket (41) comprises a first base plate (411) connected with the mounting plate (11), and a first vertical plate (412) connected with the first base plate (411), and the first lifting driving mechanism (43) is arranged on the first vertical plate (412).

4. The sealing mechanism with pre-sealing according to claim 1, characterized in that the sealing mechanism (3) comprises a sealing frame (31), a sealing punch (32) arranged on the sealing frame (31), the sealing punch (32) is provided with a sealing press head (33), and further comprises a sealing support (34) arranged below the sealing press head (33), and the sealing support (34) is connected on the sealing frame (31) in a lifting manner and is driven by a lifting driving mechanism three arranged on the sealing frame (31).

5. The sealing mechanism with pre-sealing according to claim 4, wherein the sealing frame (31) comprises a second base plate (311) connected with the mounting plate (11), and a second vertical plate (312) connected with the second base plate (311), and the sealing punch (32) is fixedly connected with the second vertical plate (312).

6. The sealing mechanism with pre-sealing according to claim 1, further comprising a dust removing mechanism (7) arranged in the conveying direction of the conveying line; the dust removing mechanism (7) comprises a lifting dust removing cover (71) with a negative pressure suction port and arranged above the conveying chain (22), and a lifting air cylinder (71) connected with the dust removing cover (71), wherein the lifting air cylinder (71) is connected with the mounting flat plate (11).

7. The sealing mechanism with pre-sealing according to claim 1, wherein the sealing punch (32) is fixedly connected to the second vertical plate (312), a vertical guide groove is further formed in the second vertical plate (312), a sliding block (35) which is connected with the sealing support (34) and can slide up and down is clamped in the vertical guide groove, and a piston rod of the third lifting driving mechanism is connected with the sliding block (35).

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