Agitation device of ultrasonic cleaner

Abstract

This invention provides a shoveling device for an ultrasonic cleaner, belonging to the technical field of cleaning devices. It solves the problem of uneven cleaning of workpieces that still exists in existing ultrasonic cleaner shoveling devices. The shoveling device of this ultrasonic cleaner includes a housing, a drive motor, and brackets. The shoveling device also includes at least four horizontally arranged eccentric shafts, divided into two groups. The input ends of the two groups of eccentric shafts are rotatably connected to opposite sides of the housing, and the input ends of all eccentric shafts are drive-connected to the aforementioned drive motor. The output ends of the eccentric shafts are located inside the housing, and the axes of the output ends of the eccentric shafts are located in the same horizontal plane. Two brackets are provided, each corresponding to one of the two groups of eccentric shafts. The output ends of several eccentric shafts in each group are rotatably connected to the corresponding bracket. This ultrasonic cleaner shoveling device has the advantage of uniform cleaning.

Description

Technical Field

[0001] This invention belongs to the field of cleaning device technology, and relates to a swirl device for an ultrasonic cleaner. Background Technology

[0002] With the continuous development of the cleaning industry, more and more industries and enterprises are using ultrasonic cleaning equipment. During the ultrasonic cleaning process, the cleaning intensity of the ultrasonic waves is distributed along a linear direction in a periodic pattern of short-range, high-low. If the workpiece is only cleaned in one place in the cleaning tank, uneven cleaning will occur.

[0003] To this end, the applicant designed a throwing device for an ultrasonic cleaner and applied for a Chinese patent with application number 201520035405.9 and publication number CN204503665U. The ultrasonic cleaner includes a flower basket, a base, and a frame fixed vertically on the base. A throwing plate for mounting the flower basket is provided above the base. The throwing device includes a motor fixed on the frame and a slide rail fixed vertically on the frame. A cam and a gear are fixedly connected to the motor shaft of the motor. A mounting slide plate is slidably connected to the slide rail. The throwing plate is fixed on the mounting slide plate. One end of the mounting slide plate is fixed with a roller that is vertically opposite to the position of the cam. The other end of the mounting slide plate has a rack that meshes with the gear. The upper end of the rack has a spring tooth that can mesh with the gear and make the cam contact and cooperate with the roller. The ultrasonic cleaner's agitation device, through a motor and the combination of gears, racks, and cams, drives the basket containing the workpiece to repeatedly move up and down, causing the workpiece inside the basket to move up and down relative to the cleaning tank, resulting in more uniform cleaning of the workpiece.

[0004] However, the agitation device of this ultrasonic cleaner can only move the workpiece up and down during the cleaning process, which makes the cleaning of the workpiece more uniform in the vertical direction, but it is difficult to guarantee the cleaning effect of the workpiece in the horizontal direction.

[0005] For those skilled in the art, a conventional approach that readily comes to mind is to simultaneously drive the agitator plate up and down while using a separate drive structure to drive the agitator plate horizontally, thus ensuring effective cleaning of the workpiece in the horizontal direction. However, the use of two drive structures not only significantly increases production and maintenance costs but also results in excessive size and difficulty in placement. Summary of the Invention

[0006] The purpose of this invention is to address the aforementioned problems in the prior art by proposing a shoveling device for an ultrasonic cleaner, which solves the problem of uneven cleaning of workpieces when shoveling and cleaning workpieces in existing ultrasonic cleaners.

[0007] The objective of this invention can be achieved through the following technical solutions:

[0008] An ultrasonic cleaner's agitation device for agitating a agitation basket includes a housing, a drive motor, and brackets. The agitation device further comprises at least four horizontally arranged eccentric shafts, divided into two groups. The input ends of the two groups of eccentric shafts are rotatably connected to opposite sides of the housing, and the input ends of all eccentric shafts are connected to the drive motor. The output ends of the eccentric shafts are located within the housing, and their axes lie in the same horizontal plane. Two brackets are provided, each corresponding to one of the two groups of eccentric shafts. The output ends of several eccentric shafts in each group are rotatably connected to their respective brackets.

[0009] In use, the agitation device of this ultrasonic cleaner allows the agitation basket containing the workpiece to be placed on the support. Specifically, the bottom surfaces of the agitation basket on opposite sides rest against the two supports of the two sets of eccentric shafts, providing stable support for the agitation basket. At the start of cleaning, the drive motor drives the two sets of eccentric shafts to rotate circumferentially. Because the input and output ends of the eccentric shafts are eccentrically positioned, the supports connected to the output ends of the two sets of eccentric shafts can rotate circumferentially with the output ends of the eccentric shafts. Here, eccentric positioning means that the axis of the output end and the axis of the input end are parallel to each other but do not coincide.

[0010] In the agitation device of this ultrasonic cleaner, either of the two brackets is rotatably connected to several eccentric shafts in a set of eccentric shafts. This provides multi-point support to the bracket itself, preventing circumferential rotation with the eccentric shafts. Instead, the bracket maintains its set direction and performs circular motion only when the output end of the eccentric shaft rotates. This ensures stable support for the agitation basket and allows the workpiece in the basket, placed on the bracket, to also undergo circular motion, with displacement not only in the vertical direction but also in the horizontal direction. This allows the workpiece to move to positions with higher ultrasonic cleaning intensity, achieving more comprehensive and uniform cleaning and resulting in better cleaning effects. Compared to conventional techniques, this method eliminates the need for two sets of drive structures, simplifying the structure and reducing production and maintenance costs.

[0011] In the aforementioned agitation device of the ultrasonic cleaner, the bracket includes at least two rollers, a plate-shaped connecting plate, and two plate-shaped blocking plates. Several rollers are respectively sleeved on the outer side of the output ends of several eccentric shafts and can rotate circumferentially relative to the output ends of the eccentric shafts. The connecting plate is disposed between several rollers and is fixedly connected to the rollers. The two blocking plates are disposed on the other side of the rollers relative to the connecting plate and are respectively fixed to the rollers. The side of the two blocking plates away from the rollers has a blocking portion that bends toward another set of eccentric shafts. Rollers are used to support the throwing basket, which is placed on several rollers. The rollers can rotate circumferentially relative to the eccentric shaft. During the circumferential rotation of the eccentric shaft, the rollers remain stationary, thus keeping the rollers and the throwing basket stationary and avoiding friction and relative vibration. This ensures the stability of the workpiece inside the throwing basket. Connecting plates are used to link several rollers into a whole. In conjunction with the arrangement of several eccentric shafts in the same horizontal plane, this ensures the synchronicity of the rollers' movements and further guarantees the stability of the throwing basket placed on the rollers. The blocking parts on the baffle plate prevent the throwing basket from detaching from the rollers to the sides.

[0012] In the aforementioned agitation device of the ultrasonic cleaner, the roller includes a connecting part and a supporting part. Both the connecting part and the supporting part have cylindrical outer surfaces, with the outer diameter of the supporting part being smaller than that of the connecting part. The connecting part is closer to the input end of the eccentric shaft than the supporting part and is sleeved on the outside of the output end of the eccentric shaft. The top of the blocking part is higher than the top of the supporting part. The supporting part and the connecting part are two components of an integrated roller. The connecting part is used to fit and connect with the output end of the eccentric shaft, while the supporting part carries the agitation basket, which can be placed on the supporting part of the roller. Because the outer diameter of the supporting part is smaller than that of the connecting part, a step is formed between the connecting part and the supporting part. This step can be used to limit the agitation basket axially on the roller, preventing significant axial movement of the agitation basket during the agitation cleaning process. The higher positions of the blocking parts on both sides effectively limit the agitation basket placed on the supporting part radially, ensuring both the stability of the agitation basket's position and the cleaning effect.

[0013] In the aforementioned agitation device of the ultrasonic cleaner, the bottoms of both blocking parts have bent portions that bend outwards in a direction away from each other. The outward bending of the bottom of the blocking parts enhances the overall strength of the blocking parts, ensuring effective containment of the agitation basket.

[0014] In the aforementioned ultrasonic cleaning machine's agitation device, the bottom of the connecting plate on each set of eccentric wheels has a reinforcing section that bends away from the other set of eccentric wheels. This bending reinforcement increases the strength of the connecting plate, improves the overall integrity of the bracket, reduces the requirements for the strength and weight of the connecting plate itself, and allows the drive motor to better drive the bracket's movement, ensuring smooth and stable movement of the agitation basket.

[0015] In the aforementioned agitation device of the ultrasonic cleaner, the device further includes three horizontally arranged transmission rods: rod one, rod two, and rod three. Transmission rod one and rod two are parallel to each other and perpendicular to the eccentric shafts. The two sets of eccentric shafts are respectively connected to transmission rod one and rod two via gear sets. Transmission rod three is perpendicular to transmission rod one and connected to the drive motor. Transmission rod one and rod three, as well as transmission rod two and rod three, are connected via gear sets. The drive motor drives transmission rod three to rotate circumferentially, which in turn drives transmission rod one and rod two to rotate synchronously via two sets of gears, thereby driving the two sets of eccentric shafts to rotate synchronously, ensuring the stability of the agitation basket's movement.

[0016] Compared with existing technologies, the agitation device of this ultrasonic cleaner has the following advantages:

[0017] 1. Relying on the eccentric structure on the eccentric shaft to drive the bracket to make circular motion, the workpiece placed in the throwing basket on the bracket also makes circular motion. It has displacement not only in the vertical direction, but also in the horizontal direction, so that the various positions of the workpiece can move to the position with higher ultrasonic cleaning intensity, achieving more comprehensive and uniform cleaning of the workpiece and better cleaning effect.

[0018] 2. The steps and blocking parts on the rollers are used to limit the horizontal movement of the throwing basket, preventing it from moving around significantly during the cleaning process. This ensures the stability of the workpiece inside the throwing basket during its movement, thereby guaranteeing the cleaning effect. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the agitation device of this ultrasonic cleaner.

[0020] Figure 2 This is a schematic diagram of the structure of the bracket and eccentric shaft in the agitation device of this ultrasonic cleaner.

[0021] In the diagram, 1. Housing; 2. Drive motor; 3. Bracket; 31. Roller; 311. Connecting part; 312. Bearing part; 32. Connecting plate; 321. Reinforcing part; 33. Blocking plate; 34. Blocking part; 341. Bending part; 4. Eccentric shaft; 5. Transmission rod one; 6. Transmission rod two; 7. Gear set; 8. Transmission rod three. Detailed Implementation

[0022] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0023] like Figure 1As shown, the shaking device of this ultrasonic cleaner includes a housing 1, a driving motor 2, a first transmission rod 5 in the shape of a round rod, a second transmission rod 6, a third transmission rod 8, a gear set 7, an eccentric shaft 4, and two brackets 3.

[0024] Among them, the housing 1 is in the shape of a square shell and is open at the top. Only two opposite side plates are shown in the figure. The number of eccentric shafts 4 is four and they are all horizontally arranged. The four eccentric shafts 4 are divided into two groups, that is, two in each group. The input ends of the two groups of eccentric shafts 4 are respectively rotatably connected to the opposite sides of the housing 1, and the input ends of the four eccentric shafts 4 are all in transmission connection with the driving motor 2. The input ends of the four eccentric shafts 4 penetrate through the housing 1, and seals are provided between the eccentric shafts 4 and the housing 1. The output ends of the four eccentric shafts 4 are located inside the housing 1, and the axes of the output ends of the four eccentric shafts 4 are in the same horizontal plane. The two brackets 3 are respectively connected corresponding to the two groups of eccentric shafts 4. The output ends of several eccentric shafts 4 in each group of eccentric shafts 4 are rotatably connected to the corresponding brackets 3. The shaking basket is placed on the two brackets 3 of the two groups of eccentric shafts 4 and abuts against the upper sides of the two brackets 3. In this embodiment, the two eccentric shafts 4 in each group of eccentric shafts 4 are arranged parallel to each other and are spaced apart in the horizontal direction; the first transmission rod 5, the second transmission rod 6, and the third transmission rod 8 are arranged in a "冂" shape, that is, the first transmission rod 5 and the second transmission rod 6 are arranged parallel to each other on the outer sides of the opposite sides of the housing 1 and are perpendicular to the eccentric shaft 4. The two groups of eccentric shafts 4 are respectively in transmission connection with the first transmission rod 5 and the second transmission rod 6 through the gear set 7. The third transmission rod 8 passes through the housing 1 and is perpendicular to the first transmission rod 5 and the second transmission rod 6 and is fixedly connected to the output end of the driving motor 2. There is a gear set 7 for transmission connection between the first transmission rod 5 and the third transmission rod 8 and between the second transmission rod 6 and the third transmission rod 8. Here, the gear set z can be selected from existing gearboxes.

[0025] Since the structures at the two groups of eccentric shafts 4 are the same and symmetrically arranged, the structure at one group of eccentric shafts 4 will be taken as an example for description below.

[0026] As Figure 2 shown, both the input end and the output end of the eccentric shaft 4 are in the shape of a round rod, and the input end and the output end are connected into one body through a cam, so that the axes of the input end and the output end are parallel to each other and do not coincide. <00> <>

[0027] The bracket 3 includes two round-cap-shaped rollers 31, a long plate-shaped connecting plate 32, and two plate-shaped blocking plates 33. One open end of each roller 31 is respectively fitted onto the outer side of the output end of each of the two eccentric shafts 4, and a bearing is provided between them, allowing the rollers 31 to rotate circumferentially relative to the output end of the eccentric shafts 4. The connecting plate 32 is horizontally oriented and positioned between the two rollers 31, welded and fixed to them. The two blocking plates 33 are positioned on the opposite side of the rollers 31 relative to the connecting plate 32 and welded and fixed to them. The side of each blocking plate 33 away from the rollers 31 has a blocking portion 34 that bends 90 degrees towards the other set of eccentric shafts 4. In this embodiment, the bottom of both blocking parts 34 has a bent part 341 that bends in a direction away from each other. The bent part 341 can increase the strength of the blocking part 34 and reduce the resistance of the liquid in the housing 1 when the blocking part 34 moves. The bottom of the connecting plate 32 has a reinforcing part 321 that bends at 90 degrees away from the other set of eccentric shafts 4.

[0028] The roller 31 includes an annular connecting portion 311 and a cylindrical supporting portion 312. The outer surfaces of both the connecting portion 311 and the supporting portion 312 are cylindrical, and the outer diameter of the supporting portion 312 is smaller than the outer diameter of the connecting portion 311. The connecting portion 311 is closer to the input end of the eccentric shaft 4 than the supporting portion 312, and the connecting portion 311 is sleeved on the outside of the output end of the eccentric shaft 4. The supporting portion 312 and the connecting portion 311 are integrated, forming a step between them. The top position of the blocking portion 34 is higher than the top position of the supporting portion 312. In this embodiment, to ensure the stability of the throwing basket's movement, the axes of the output ends of the two sets of eccentric shafts 4 are located in the same horizontal plane; the specifications and installation height of the four rollers 31 are also consistent.

[0029] When using the agitation device of this ultrasonic cleaning machine, the agitation basket containing the workpiece can be placed on the bearing part 312 of the four rollers 31 in the bracket 3. The agitation basket is limited on both sides of the rollers 31 in the axial direction by the steps on the outer side of the rollers 31, and the horizontal position of the agitation basket in the radial direction of the rollers 31 is limited by the four blocking parts 34, thereby ensuring that the agitation basket will not move around significantly.

[0030] At the start of the cleaning process, the drive motor 2 drives four eccentric shafts 4 to rotate synchronously in the circumferential direction via transmission rod 5, transmission rod 6, transmission rod 8, and gear set 7. The bracket 3, connected between the output ends of the eccentric shafts 4, moves in a circular motion along with the output ends of the eccentric shafts 4. The bracket 3 has displacement not only in the vertical direction but also in the horizontal direction, allowing the workpieces within the throwing basket to move to positions with higher ultrasonic cleaning intensity, achieving more comprehensive and uniform cleaning of the workpieces and resulting in better cleaning effects.

[0031] The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of the invention or exceeding the scope defined by the appended claims.

Claims

1. An agitation device for an ultrasonic cleaner, used to agitate an agitation basket, comprising a housing (1), a drive motor (2), and a bracket (3), characterized in that, The agitation device of the ultrasonic cleaner also includes at least four horizontally arranged eccentric shafts (4). The eccentric shafts (4) are divided into two groups. The input ends of the two groups of eccentric shafts (4) are rotatably connected to opposite sides of the housing (1), and the input ends of the eccentric shafts (4) are all connected to the drive motor (2). The output ends of the eccentric shafts (4) are located inside the housing (1), and the axes of the output ends of the eccentric shafts (4) are located in the same horizontal plane. There are two brackets (3), which are respectively connected to the two groups of eccentric shafts (4). The output ends of the eccentric shafts (4) in each group of eccentric shafts (4) are rotatably connected to the corresponding brackets (3). The brackets (3) include at least two rollers (31), a plate-shaped connecting plate (32), and two plate-shaped blocking plates (33). The rollers (31) are respectively sleeved on the outside of the output ends of the eccentric shafts (4) and can be positioned relative to the eccentric shafts (4). The output end rotates circumferentially. The connecting plate (32) is disposed between several of the rollers (31) and fixedly connected to the rollers (31). Two blocking plates (33) are disposed on the other side of the rollers (31) opposite to the connecting plate (32) and fixed to the rollers (31) respectively. The two blocking plates (33) have a blocking part (34) bent towards another set of eccentric shafts (4) on the side away from the rollers (31). The rollers (31) include a connecting part (311). The connecting part (311) and the supporting part (312) are both cylindrical surfaces, and the outer diameter of the supporting part (312) is smaller than the outer diameter of the connecting part (311). The connecting part (311) is closer to the input end of the eccentric shaft (4) than the supporting part (312), and the connecting part (311) is sleeved on the outside of the output end of the eccentric shaft (4). The top position of the blocking part (34) is higher than the top position of the supporting part (312).

2. The agitation device of the ultrasonic cleaner according to claim 1, characterized in that, The bottom of each of the two blocking portions (34) has a bent portion (341) that bends away from each other in a direction.

3. The agitation device of the ultrasonic cleaner according to claim 1, characterized in that, The bottom of the connecting plate (32) on each set of eccentric shafts (4) has a reinforcing part (321) that bends away from the other set of eccentric shafts (4).

4. The agitation device of the ultrasonic cleaner according to claim 1, characterized in that, The agitation device of the ultrasonic cleaner also includes a first transmission rod (5), a second transmission rod (6), and a third transmission rod (8) that are all horizontally arranged. The first transmission rod (5) and the second transmission rod (6) are arranged parallel to each other and perpendicular to the eccentric shaft (4). The two sets of eccentric shafts (4) are respectively connected to the first transmission rod (5) and the second transmission rod (6) through a gear set (7). The third transmission rod (8) is arranged perpendicular to the first transmission rod (5) and is connected to the drive motor (2). The first transmission rod (5) and the third transmission rod (8) and the second transmission rod (6) and the third transmission rod (8) are all connected by a gear set (7).

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