Ultrasonic dust removal device used after welding

Abstract

The utility model discloses a post-welding ultrasonic dust removal device, which relates to the technical field of ultrasonic dust removal, and comprises a working table, movable driving mechanisms and a dust removal mechanism, two fixing frames are symmetrically arranged on the working table, each fixing frame is provided with the movable driving mechanism, and the dust removal mechanism is arranged on the working table. The movable driving mechanism is used for driving the dust removal mechanism on the movable driving mechanism to move on the workbench, and the dust removal mechanism is used for adsorbing metal dust generated by battery cell polishing. The mobile driving mechanism drives the dust removal mechanism to move to the position of metal dust generated by polishing after the battery cell is welded, and sound wave energy generated by the ultrasonic generator is utilized to enable the metal dust on the surface of the battery cell to generate high-frequency vibration, so that the metal dust is separated from the battery cell; and the vacuum pump enables the metal dust to enter the collecting box through the suction holes of the splayed structure of the vacuum box, the suction hose, the vacuum pump and the exhaust pipe to be collected and treated, so that the metal dust generated by polishing after welding of the battery cell is efficiently removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ultrasonic dust removal, and particularly relates to an ultrasonic dust removal device after welding. BACKGROUND

[0002] In the lithium battery manufacturing industry, metal dust is harmful to the battery cell, and relatively small and not sharp metal dust can cause abnormal self-discharge of the battery cell, and even cause short circuit and fire safety problems, so it is urgent to remove the metal dust after the battery cell is welded and polished. The conventional dust removal methods mainly include: one type is provided with a funnel-shaped dust collector and a vacuum air extractor, and the other type is provided with a blowing function on the basis of the vacuum air extractor. Some companies also use a hair dryer to blow air to remove dust from the welded part, but none of them can effectively remove metal dust and slag and cause secondary pollution. SUMMARY

[0003] The utility model aims at providing an ultrasonic dust removal device after welding to overcome the above-mentioned defects in the prior art.

[0004] An ultrasonic dust removal device after welding, comprising a workbench, a moving drive mechanism and a dust removal mechanism, two fixed frames are symmetrically arranged on the workbench;

[0005] Each fixed frame is provided with a moving drive mechanism, and the moving drive mechanism is used to drive the dust removal mechanism on it to move on the workbench.

[0006] The dust removal mechanism is used to adsorb the metal dust generated by polishing the battery cell.

[0007] Preferably, the moving drive mechanism comprises a fixed frame, a first motor, a moving frame, a second motor and a moving plate, the first motor is installed outside the fixed frame, a drive screw one is rotatably connected in the fixed frame, one end of the drive screw one is connected with the output shaft of the first motor, the moving frame is screw-connected on the fixed frame through a screw nut and is slidingly connected with a slide rod one in the fixed frame, a drive screw two is rotatably connected in the moving frame, the second motor is installed outside the moving frame and its output shaft is connected with one end of the drive screw two, the moving plate is screw-connected with the drive screw two through a screw nut and is slidingly connected with a slide rod two in the moving frame.

[0008] Preferably, the dust removal mechanism comprises a vacuum box, an ultrasonic generator and a vacuum pump, the vacuum box is arranged at the bottom of the moving plate, the vacuum box is divided into a vacuum cavity and two installation cavities for placing the ultrasonic generator by two partition plates arranged in a horn type, the vacuum box is provided with suction holes at the bottom of the vacuum cavity, the vacuum box is provided with sound wave holes arranged in an inclined manner below each ultrasonic generator, the vacuum pump is arranged at the side of the workbench and the suction port of the vacuum pump is communicated with the vacuum cavity of the vacuum box through a suction hose, the exhaust port of the vacuum pump is connected with a collecting box through an exhaust pipe, and the collecting box is provided with a gas outlet hole provided with a filter screen.

[0009] Preferably, the cross section of the suction hole is in an "eight" type structure.

[0010] Preferably, the fixing frame is in a "n" type structure and the opening of the fixing frame is arranged downward.

[0011] The utility model discloses reached the beneficial effects are:

[0012] The utility model discloses reach the beneficial effects are: BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic diagram of the utility model.

[0014] Figure 2 It is the side view of mobile drive mechanism of the utility model.

[0015] Figure 3 It is the plan view of mobile drive mechanism of the utility model.

[0016] Figure 4 It is the section view of vacuum box inside of the utility model.

[0017] In the drawing, 1, workbench;3, mobile drive mechanism;31, fixed frame;32, first motor;33, drive screw one;34, sliding rod one;35, moving frame;36, drive screw two;37, second motor;38, moving plate;39, sliding rod two;4, dust removal mechanism;41, vacuum box;411, partition plate;412, vacuum cavity;413, installation cavity;414, suction hole;415, sound wave hole;42, ultrasonic generator;43, vacuum pump;44, suction hose;45, exhaust pipe;46, collecting box. DETAILED DESCRIPTION

[0018] The utility model discloses make further detailed explanation to the specific embodiment of the utility model with the description to the embodiment below, to help the technical personnel in the field to the conception, technical scheme of the utility model have more complete, accurate and thorough understanding.

[0019] As Figures 1-4 The utility model provides a kind of ultrasonic dust removal device after welding, including workbench 1, mobile drive mechanism 3 and dust removal mechanism 4, two fixed frames 31 are symmetrically provided on the workbench 1, fixed frame 31 is "N" type structure and its opening is set to downward, mobile drive mechanism 3 is provided on each fixed frame 31, the mobile drive mechanism 3 is used to drive dust removal mechanism 4 on it moves on workbench 1, the dust removal mechanism 4 is used to adsorb the metal dust generated by battery cell polishing.

[0020] It needs to be noted that the mobile drive mechanism 3 includes fixed frame 31, first motor 32, moving frame 35, second motor 37 and moving plate 38, the first motor 32 is installed to the outside of fixed frame 31, driving screw rod one 33 is rotatably connected in the fixed frame 31, one end of the driving screw rod one 33 is connected with the output shaft of first motor 32, the moving frame 35 is screw-connected on fixed frame 31 by screw nut and is slidably connected with slide bar one 34 in fixed frame 31, driving screw rod two 36 is rotatably connected in the moving frame 35, the second motor 37 is installed to the outside of moving frame 35 and the output shaft is connected with one end of driving screw rod two 36, the moving plate 38 is screw-connected with driving screw rod two 36 by screw nut and is slidably connected with slide bar two 39 in moving frame 35.

[0021] In addition, the dust removal mechanism 4 includes vacuum box 41, ultrasonic generator 42 and vacuum pump 43, the vacuum box 41 is located at the bottom of moving plate 38, the vacuum box 41 is divided into a vacuum cavity 412 and two installation cavities 413 for placing ultrasonic generator 42 by two flared partition plates 411, the vacuum box 41 is provided with suction hole 414 of "eight" type structure in the bottom of vacuum cavity 412, so that the metal dust is conveniently adsorbed, the vacuum box 41 is provided with inclined sound wave hole 415 below each ultrasonic generator 42, the vacuum pump 43 is arranged on the side of workbench 1, and the suction port of the vacuum pump 43 is communicated with the vacuum cavity 412 of the vacuum box 41 through the suction hose 44, the exhaust port of the vacuum pump 43 is connected with the collecting box 46 through the exhaust pipe 45, and the collecting box 46 is provided with the gas outlet hole with filter screen.

[0022] Specific embodiment and principle:

[0023] In use, the first motor 32 is controlled to rotate the output shaft to drive the first drive screw 33 to rotate, thereby driving the moving frame 35 to move to a suitable position, and the second motor 37 is controlled to rotate the output shaft to drive the second drive screw 36 to rotate, thereby driving the moving plate 38 and the vacuum box 41 at the bottom of the moving plate 38 to move to the position where the metal dust generated by polishing the battery cell after welding is located;

[0024] The vacuum pump 43 and the ultrasonic generator 42 are turned on, the ultrasonic generator 42 generates sound waves which are transmitted to the surface of the battery cell through the sound wave hole 415 on the vacuum box 41, the ultrasonic generator 42 makes the metal dust on the surface of the battery cell vibrate at high frequency, thereby separating the metal dust from the battery cell, the vacuum pump 43 sucks air into the vacuum box 41 through the air suction hose 44, thereby generating negative pressure in the vacuum cavity 412 in the vacuum box 41, so that the metal dust enters the vacuum box 41, and then enters the collection box 46 through the air suction hose 44, the vacuum pump 43 and the exhaust pipe 45 for collection and treatment.

[0025] The above-mentioned embodiments of the utility model do not constitute a limitation on the protection scope of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

1. An ultrasonic dust removal device for post-weld applications, characterized in that: It includes a workbench (1), a moving drive mechanism (3) and a dust removal mechanism (4). Two fixing brackets (31) are symmetrically arranged on the workbench (1); A moving drive mechanism (3) is arranged on each fixing bracket (31). The moving drive mechanism (3) is used to drive the dust removal mechanism (4) thereon to move on the workbench (1); The dust removal mechanism (4) is used to adsorb the metal dust generated by the grinding of battery cells; The moving drive mechanism (3) includes a fixing bracket (31), a first motor (32), a moving bracket (35), a second motor (37) and a moving plate (38). The first motor (32) is installed outside the fixing bracket (31). A driving screw rod one (33) is rotatably connected in the fixing bracket (31). One end of the driving screw rod one (33) is connected to the output shaft of the first motor (32). The moving bracket (35) is spirally connected to the fixing bracket (31) through a screw nut and is slidably connected to a first slide rod (34) in the fixing bracket (31). A driving screw rod two (36) is rotatably connected in the moving bracket (35). The second motor (37) is installed outside the moving bracket (35) and its output shaft is connected to one end of the driving screw rod two (36). The moving plate (38) is spirally connected to the driving screw rod two (36) through a screw nut and is slidably connected to a second slide rod (39) in the moving bracket (35); The dust removal mechanism (4) includes a vacuum box (41), an ultrasonic generator (42) and a vacuum pump (43). The vacuum box (41) is arranged at the bottom of the moving plate (38). A vacuum chamber (412) and two installation chambers (413) for placing the ultrasonic generator (42) are separated in the vacuum box (41) by two partition plates (411) arranged in a horn shape. The vacuum box (41) is provided with suction holes (414) at the bottom of the vacuum chamber (412). The vacuum box (41) is provided with inclined sound wave holes (415) under each ultrasonic generator (42). The vacuum pump (43) is arranged on the side of the workbench (1) and its suction port is communicated with the vacuum chamber (412) of the vacuum box (41) through a suction hose (44). The exhaust port of the vacuum pump (43) is connected to a collection box (46) through an exhaust pipe (45). The collection box (46) is provided with an air outlet hole equipped with a filter screen; The cross-section of the suction hole (414) is an "eight" - shaped structure.

2. The ultrasonic dust removal device after welding according to claim 1, characterized in that: The fixing bracket (31) is of a "U" - shaped structure and its opening faces downward.

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