Slip ring mechanism of dust removal device and dust removal device

Abstract

The utility model relates to a dust removal device and a slip ring mechanism thereof, the dust removal device comprises a fixing frame, a turntable and the slip ring mechanism, the slip ring mechanism comprises a stator bearing seat with a cavity, and the stator bearing seat is provided with a blowing gathering pipe joint interface and a dust collection gathering through hole which are communicated with the cavity of the stator bearing seat; the rotor bearing seat is rotatably arranged in the stator bearing seat, the rotor bearing seat is provided with a dust collection cavity and an air blowing cavity which are mutually independent, the dust collection cavity is communicated with a cavity in the stator bearing seat, the rotor bearing seat is provided with a dust collection port communicated with the dust collection cavity and an air blowing port communicated with the air blowing cavity, and a dust collection pipe joint is arranged at the dust collection port; an air blowing pipe joint is arranged at the air blowing opening; one end of the rotary joint is inserted into the air blowing cavity, and the other end of the rotary joint extends into the dust collection cavity; and the follower plate is connected with the rotor bearing seat and rotates along with a turntable of the dust removal device. The air suction channel and the air blowing channel are not communicated with each other, the dust suction and blowing efficiency is high, and the dust removal effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of processing and manufacturing equipment, and specifically relates to a slip ring mechanism and a dust removal device of a dust removal device in lithium ion battery production equipment. Background Art

[0002] In order to ensure the quality of the battery, each battery component needs to maintain a very high degree of cleanliness. In the production process of cylindrical lithium batteries, the batteries after rolling grooves in the high-speed turret assembly line need to use a dust removal device to remove the nickel powder on the inside and outside of the battery shell opening through blowing and suction processes. The slip ring mechanism used in the existing dust removal device has a dust suction chamber and a blowing chamber that share the internal space of the rotor bearing seat. The dust suction chamber and the blowing chamber are connected together. The dust sucked in during dust suction easily blocks the blowing air channel, resulting in low dust suction and blowing efficiency, affecting the dust removal effect. Utility Model Content

[0003] The utility model aims to provide a slip ring mechanism of a dust removal device with good dust removal effect and a dust removal device with the slip ring mechanism, which is used on a high-speed turret assembly line of cylindrical lithium batteries without affecting each other between air suction and air blowing.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A slip ring mechanism of a dust removal device comprises: a stator bearing seat, the stator bearing seat having a cavity, the stator bearing seat being provided with a blowing collection pipe joint interface and a dust collection collection through hole connected to the cavity of the stator bearing seat; a rotor bearing seat rotatably arranged in the stator bearing seat, the rotor bearing seat having a dust suction chamber and a blowing chamber independent of each other, the dust suction chamber being connected to the cavity in the stator bearing seat, the rotor bearing seat being provided with a dust suction port connected to the dust suction chamber and a blowing port connected to the blowing chamber, a dust suction pipe joint being provided at the dust suction port, and a blowing pipe joint being provided at the blowing port; a rotary joint arranged in the rotor bearing seat, one end of the rotary joint being inserted into the blowing chamber and the other end extending into the dust suction chamber; a follower plate connected to the rotor bearing seat, the follower plate rotating with a turntable of the dust removal device.

[0006] It can be seen from the above technical scheme that the utility model sets the blowing chamber and the dust suction chamber in the rotor bearing seat as independent chambers, and the air suction and blowing flow channels are not connected to each other. The blowing and dust suction flow channels are separated, which can avoid the dust sucked in during dust suction from clogging the blowing channel, and the absorbed dust from clogging the rotating structure of the slip ring and causing it to get stuck, thereby ensuring the dust suction and blowing efficiency, having a good dust removal effect, and having a compact structure, and can be applied to continuous operation dust removal fields such as high-speed turret assembly lines.

[0007] In the slip ring mechanism of the dust removal device as described above, optionally, the stator bearing seat comprises a first stator bearing seat and a second stator bearing seat whose inner cavities are interconnected, and the second stator bearing seat is arranged in the first stator bearing seat.

[0008] In the slip ring mechanism of the dust removal device as described above, optionally, the rotor bearing seat is arranged in the stator bearing seat through a deep groove ball bearing.

[0009] In the slip ring mechanism of the dust removal device as described above, optionally, the flange surface of the rotor bearing seat is pressed by the inner rings of two deep groove ball bearings, and the stator bearing seat is connected to the outer rings of the deep groove ball bearings.

[0010] In the slip ring mechanism of the dust removal device as described above, optionally, a sealing ring is provided between the outer wall of the first stator bearing seat and the inner wall of the second stator bearing seat.

[0011] The rotating structure of the above technical solution is well sealed and leak-proof, and can achieve long-term smooth rotation without jamming, while improving the efficiency of air blowing and dust collection.

[0012] In the slip ring mechanism of the dust removal device as described above, optionally, the air blowing collection pipe joint interface is arranged on the side wall of the top of the stator bearing seat, and the dust suction collection through hole is arranged on the top of the stator bearing seat.

[0013] In the slip ring mechanism of the dust removal device as described above, optionally, a plurality of dust suction ports are arranged at intervals along the circumference on the side wall of the rotor bearing seat; a plurality of air blowing ports are arranged at intervals along the circumference on the side wall of the rotor bearing seat.

[0014] The utility model also provides a dust removal device, comprising: a fixed frame, a turntable and the aforementioned slip ring mechanism, the turntable is connected to the rotor bearing seat through the follower plate, and the stator bearing seat is fixedly connected to the fixed frame; a plurality of battery cleaning stations are arranged on the turntable, each of the battery cleaning stations comprises a battery clamp and a dust suction head, a joint connected to a dust suction pipe and an air blowing pipe is arranged on the dust suction head, the dust suction pipe is connected to the dust suction pipe joint, and the air blowing pipe is connected to the air blowing pipe joint; the follower plate is arranged on a mounting bracket for mounting the dust suction head on the turntable.

[0015] As described above, the dust removal device, optionally, the fixed frame includes a fixed plate connected to the stator bearing seat, the fixed plate is provided with a through hole connected to the dust collection collection through hole, the dust collection collection pipe joint is sealed and connected to the through hole, the other end of the dust collection collection pipe joint is connected to the dust removal device; the air blowing collection pipe joint interface is connected to the equipment air source.

[0016] As described above, in the dust removal device, optionally, one end of the rotary joint extending into the dust suction chamber is connected to an air blowing inlet pipe, and the air blowing inlet pipe is connected to the air blowing collecting pipe joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of the dust removal device of an embodiment of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the slip ring mechanism of the utility model embodiment;

[0020] Figure 3 This is a front view schematic diagram of the slip ring mechanism of the utility model embodiment;

[0021] Figure 4 For the slip ring mechanism installed on the dust removal device Figure 3 Section view along line AA.

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The utility model is described in detail below in conjunction with the accompanying drawings. When describing the embodiments of the utility model in detail, for the convenience of explanation, the drawings representing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model. It should be noted that the drawings are simplified in form and use non-precise proportions, which are only used to facilitate and clearly assist in explaining the purpose of the embodiments of the utility model. At the same time, in the description of this application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; the terms "positive", "negative", "bottom", "upper", "lower", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, it can also be the internal connection of two elements, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] like Figure 1 and Figure 2 As shown, the dust removal device of this embodiment includes a fixed frame 1, a turntable 2 and a slip ring mechanism 3. The fixed frame 1 is used to fix the slip ring mechanism 3 on the equipment. The turntable 2 is provided with a plurality of battery cleaning stations 4 arranged at intervals along the circumferential direction. Each battery cleaning station 4 includes a battery clamp 4a for fixing the battery and a dust suction head 4b that matches the open end of the battery shell, and the dust suction head 4b is provided with a joint 4c that is connected to the dust suction pipe (not shown) and the air blowing pipe (not shown) respectively. The dust suction head 4b is set on the turntable 2 through the mounting bracket 4d, and the clamp 4a and the dust suction head 4b rotate together with the turntable 2.

[0026] In this embodiment, a follower plate 5 is arranged on the top of the mounting bracket 4d. The follower plate 5 and the mounting bracket 4d are fixed. When the mounting bracket 4d rotates with the turntable 2, the follower plate 5 also rotates with the turntable 2. The follower plate 5 is used to drive the rotor bearing seat of the slip ring mechanism to rotate. The high-speed turret drives the turntable 2 to rotate. In this embodiment, the follower plate 5 arranged on the top of the mounting bracket is used to drive the rotating structure (rotor bearing seat) in the slip ring mechanism to rotate. Compared with the method of driving the rotor bearing seat to rotate by a long shaft, the situation that the rotating mechanism is stuck due to the non-concentricity of the upper and lower axes can be avoided, so that the rotating mechanism runs smoothly and reliably.

[0027] Continue to refer to Figure 2 , Figure 3 and Figure 4The slip ring mechanism 3 of this embodiment includes a stator bearing seat 3-1, a rotor bearing seat 3-2 and a rotary joint 3-3. The stator bearing seat 3-1 is connected to the fixed plate 1-1 on the fixed frame 1. The stator bearing seat 3-1 has a cavity inside, and a blow collection pipe joint interface 3-1a connected to a blow collection pipe joint (not shown) is provided on the side wall at the top of the stator bearing seat 3-1. The blow collection pipe joint interface 3-1a is connected to the cavity in the stator bearing seat 3-1. The top of the stator bearing seat 3-1 is provided with a dust collection through hole 3-1b, which is connected to the cavity in the stator bearing seat 3-1, and is also connected to the through hole 1-1a provided on the fixed plate 1-1. The dust collection pipe joint 6 is sealed and connected to the through hole 1-1a through an external thread pagoda joint. The other end of the dust collection pipe joint 6 is connected to a dust removal device (not shown) through a connecting pipe. The dust removal device can be an industrial explosion-proof vacuum cleaner, etc. The air blowing collection pipe joint is connected to the equipment air source through a connecting pipe.

[0028] In order to ensure the overall sealing of the slip ring mechanism, preferably, the stator bearing seat 3-1 of this embodiment includes a first stator bearing seat 3-11 and a second stator bearing seat 3-12 which are fitted together, and the inner cavity of the first stator bearing seat 3-11 and the inner cavity of the second stator bearing seat 3-12 are connected to each other. The first stator bearing seat 3-11 is connected to the fixing plate 1-1 by screws, and the second stator bearing seat 3-12 is connected to the first stator bearing seat 3-11 by screws. The second stator bearing seat 3-12 is installed in the first stator bearing seat 3-11, and an O-ring 7 is arranged between the outer wall of the second stator bearing seat 3-12 and the inner wall of the first stator bearing seat 3-11. The rotor bearing seat 3-2 of this embodiment is arranged in the stator bearing seat 3-1 through a deep groove ball bearing (unnumbered). The flange surface of the rotor bearing seat 3-2 is pressed by the inner rings of the two deep groove ball bearings, and the stator bearing seat 3-1 is connected to the outer ring of the deep groove ball bearing. In addition, the sealing ring 7 between the stator bearing seat 3-1 and the rotor bearing seat 3-2 can ensure the airtightness of the dust suction chamber and the air blowing chamber in the rotor bearing seat, improve the blowing and dust removal efficiency, and solve the problem of poor sealing effect and serious leakage between the rotor bearing seat and the stator bearing seat, which affects the blowing and dust removal effect.

[0029] The rotor bearing seat 3-2 is connected to the follower plate 5. When the follower plate 5 rotates with the turntable 2, the rotor bearing seat 3-2 is driven to rotate together. The rotor bearing seat 3-2 has a cavity. In this embodiment, the cavity is divided into two upper and lower cavities: a dust suction cavity 3-2a and a blowing cavity 3-2b. The dust suction cavity 3-2a is connected to the cavity in the stator bearing seat 3-1. A dust suction port 3-2c is provided on the side wall of the rotor bearing seat 3-2. A dust suction pipe joint 8 is provided at the dust suction port 3-2c. The dust suction port 3-2c is connected to the dust suction cavity 3-2a, so that the dust suction pipe connected to the dust suction pipe joint 8 can be connected to the dust suction cavity 3-2a. The number of dust suction ports 3-2c can be multiple, and the multiple dust suction ports 3-2c are evenly spaced along the peripheral wall of the rotor bearing seat 3-2. One end of the dust suction pipe (not shown) is connected to the dust suction pipe joint 8, and the other end is connected to the corresponding joint 4c on the dust suction head 4b for dust suction.

[0030] The blowing chamber 3-2b is located below the dust suction chamber 3-2a. The blowing chamber 3-2b and the dust suction chamber 3-2a are separated by a rotary joint 3-3. The blowing chamber 3-2b and the dust suction chamber 3-2a are two independent chambers, and dust suction and blowing do not affect each other. One end of the rotary joint 3-3 is inserted into the blowing chamber 3-2b, and the other end extends to the upper part of the dust suction chamber 3-2a and is connected to the blowing air inlet pipe (not shown), and the blowing air inlet pipe is connected to the blowing collection pipe joint. The sealing structure of the rotary joint 3-3 itself can ensure smooth rotation. A blowing port 3-2d is provided on the side wall of the rotor bearing seat 3-2, and a blowing pipe joint 9 is provided at the blowing port 3-2d. The blowing port 3-2d is connected to the blowing chamber 3-2b, so that the blowing pipe connected to the blowing pipe joint 9 can be connected to the blowing chamber 3-2b. The number of the blowing ports 3-2d can be multiple, and the multiple blowing ports 3-2d are evenly spaced along the peripheral wall of the rotor bearing seat 3-2. One end of the blowing pipe (not shown) is connected to the blowing pipe joint 9, and the other end is connected to the corresponding joint 4c on the dust collector 4b for blowing.

[0031] When the utility model is used, the turntable 2 drives the rotor bearing seat 3-2 to rotate through the follower plate 5, and the stator bearing seat 3-1 fixed to the fixed plate 1-1 of the fixed frame 1 is fixed; during the blowing and suction dust removal process, the turntable 2 rotates continuously, and the gas of the equipment air source is sent to the dust removal head through the blowing air inlet pipe, the blowing cavity, the blowing port, and the blowing pipe to blow and clean the battery shell; when inhaling, under the action of the dust removal device, the gas is sucked away through the dust suction pipe, the dust suction port, the dust suction cavity, the dust suction collection pipe joint and the connecting pipe. In this embodiment, the inner cavity of the rotor bearing seat is divided into a blowing cavity and a dust suction cavity that are independent of each other and do not affect each other through a rotating joint in the rotor bearing seat. The suction and blowing air channels are not connected to each other, and the dust inhaled during dust suction will not block the blowing channel, affecting the dust suction and blowing efficiency, and affecting the dust removal effect.

[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A slip ring mechanism of a dust removal device, characterized in that: include: A stator bearing seat, wherein the stator bearing seat has a cavity, and the stator bearing seat is provided with an air blowing collection pipe joint interface and a dust collection collection through hole which are communicated with the cavity of the stator bearing seat; A rotor bearing seat rotatably arranged in the stator bearing seat, the rotor bearing seat having a dust suction chamber and an air blowing chamber independent of each other, the dust suction chamber is connected to the cavity in the stator bearing seat, the rotor bearing seat is provided with a dust suction port connected to the dust suction chamber and an air blowing port connected to the air blowing chamber, the dust suction port is provided with a dust suction pipe joint, and the air blowing port is provided with an air blowing pipe joint; A rotary joint disposed in the rotor bearing seat, wherein one end of the rotary joint is inserted into the blowing cavity and the other end thereof is extended into the dust suction cavity; A follower plate connected to the rotor bearing seat rotates with the turntable of the dust removal device.

2. The slip ring mechanism of the dust removal device according to claim 1, characterized in that: The stator bearing seat comprises a first stator bearing seat and a second stator bearing seat whose inner cavities are interconnected, and the second stator bearing seat is arranged in the first stator bearing seat.

3. The slip ring mechanism of the dust removal device according to claim 2, characterized in that: The rotor bearing seat is arranged in the stator bearing seat through a deep groove ball bearing.

4. The slip ring mechanism of the dust removal device according to claim 3, characterized in that: The flange surface of the rotor bearing seat is pressed by the inner rings of two deep groove ball bearings, and the stator bearing seat is connected to the outer rings of the deep groove ball bearings.

5. The slip ring mechanism of the dust removal device according to claim 2, characterized in that: A sealing ring is arranged between the outer wall of the first stator bearing seat and the inner wall of the second stator bearing seat.

6. The slip ring mechanism of the dust removal device according to claim 1, characterized in that: The air blowing collection pipe joint interface is arranged on the side wall at the top of the stator bearing seat, and the dust suction collection through hole is arranged on the top of the stator bearing seat.

7. The slip ring mechanism of the dust removal device according to claim 1, characterized in that: A plurality of dust suction ports are arranged at intervals along the circumference on the side wall of the rotor bearing seat; a plurality of air blowing ports are arranged at intervals along the circumference on the side wall of the rotor bearing seat.

8. A dust removal device, characterized in that: include: A fixed frame, a rotating disk and a slip ring mechanism as claimed in any one of claims 1 to 7, wherein the rotating disk is connected to the rotor bearing seat through the follower plate, and the stator bearing seat is fixedly connected to the fixed frame; A plurality of battery cleaning stations are arranged on the turntable, each of which comprises a battery clamp and a vacuum head, the vacuum head is provided with a joint connected to a vacuum pipe and an air blowing pipe, the vacuum pipe is connected to the vacuum pipe joint, and the air blowing pipe is connected to the air blowing pipe joint; The follower plate is arranged on a mounting bracket used for mounting the dust collector head on the turntable.

9. The dust removal device according to claim 8, characterized in that: The fixing frame includes a fixing plate connected to the stator bearing seat, the fixing plate is provided with a through hole connected to the dust collection collection through hole, the dust collection collection pipe joint is sealed and connected to the through hole, the other end of the dust collection collection pipe joint is connected to the dust removal device; the air blowing collection pipe joint interface is connected to the equipment air source.

10. The dust removal device according to claim 8, characterized in that: One end of the rotary joint extending into the dust suction chamber is connected to an air blowing inlet pipe, and the air blowing inlet pipe is connected to the air blowing collecting pipe joint.

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