CN115365224A

CN115365224A - Split type ultrasonic rinsing mechanism for cleaning machine

Info

Publication number: CN115365224A
Application number: CN202210978740.7A
Authority: CN
Inventors: 董清; 董子路; 周宗卓; 余其铭; 张立
Original assignee: Jingytterbium Technology Wuhan Co ltd; Hubei Hantai Intelligent Equipment Co ltd
Current assignee: Jingytterbium Technology Wuhan Co ltd; Hubei Hantai Intelligent Equipment Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-11-22

Abstract

The utility model provides a split type ultrasonic wave rinsing mechanism for cleaning machine, relates to cleaning machine technical field, including conveyer, the frame that is used for supporting the transport work piece, the tray that is used for carrying the work piece, the tray is installed on the conveying face of conveyer, and over-and-under type upper portion housing, over-and-under type lower part housing, two rows of ultrasonic transducer and rinsing liquid pump and level sensor in addition, over-and-under type upper portion housing includes elevating gear and upper portion housing. The invention has reasonable structural design, changes the traditional cleaning mode of a cleaning pool and a rinsing pool into a split type cleaning mode, wherein the split type ultrasonic rinsing device can independently clean a single workpiece, is matched with the unique tray structural design, has strong universality, more thorough cleaning and high stability of cleaning effect, does not influence the conveying layout of a production line, and can meet higher production takt.

Description

Split type ultrasonic rinsing mechanism for cleaning machine

Technical Field

The invention relates to the technical field of cleaning machines, in particular to a split type ultrasonic rinsing mechanism for a cleaning machine.

Background

In the production and processing process of mechanical parts, the cutting fluid and oil stains on the inner and outer surfaces and in the pores of the parts are often cleaned to meet the requirement of cleanliness in the next production process. However, most of the internal and external structures of the part are complex, and the traditional spray cleaning only can clean the surface of the workpiece, cannot perform targeted cleaning on irregular angles and pores, is easy to form cleaning dead corners, and cannot ensure the cleaning quality.

Ultrasonic cleaning technology has been widely used in industrial precision cleaning, such as degreasing and rust removal of mechanical parts and surface activation treatment of metal workpieces, and is characterized in that an ultrasonic generator is used for generating a high-frequency signal from a power supply, a mechanical vibrator is used for converting the high-frequency signal into high-frequency mechanical oscillation, cavitation bubbles are formed by transmission at intervals in liquid in a cleaning tank, and a shock wave generated when the cavitation bubbles are suddenly closed can generate thousands of atmospheric pressures around the cavitation bubbles and directly and repeatedly impacts the surface of a cleaned workpiece, so that dirt on the surface of the workpiece is dispersed, emulsified and peeled, and the cleaning purpose is achieved.

Present cleaning equipment ultrasonic rinsing is an upper portion open-ended rinsing pond generally, set up ultrasonic transducer in the rinsing pond, the work piece that needs the rinsing gets into from one end, come out from the other end after the rinsing again, the washing pond of this kind of mode and rinsing pond are a very big difficult point to the design of the whole smoothness nature of production line, can realize hardly that the commonality is strong and the continuity assembly line design of high production beat, different part states are different, adnexed impurity is different on it, can pollute the rinsing liquid, the cleaning performance is not stable enough, and a plurality of work pieces have the risk of colliding with each other under the liquid action streaming, cause the damage of work piece.

Disclosure of Invention

The invention aims to overcome the problems and provides an ultrasonic rinsing mechanism suitable for a continuous cleaning production line, and provides a split type ultrasonic rinsing mechanism for a cleaning machine. The following technical scheme is adopted:

the utility model provides a split type ultrasonic wave rinsing mechanism for cleaning machine, is including the conveyer, the frame that are used for supporting the transport work piece, the tray that is used for carrying the work piece, the tray is installed on the transport face of conveyer, and over-and-under type upper portion housing, over-and-under type lower part housing, two rows of ultrasonic transducer and rinsing liquid pump in addition, over-and-under type upper portion housing includes elevating gear and upper portion housing, elevating gear installs the lift portion at elevating gear in the frame, over-and-under type lower part housing includes lifting device and lower part housing, lifting device installs in the frame, the lift portion at lifting device is installed to the lower part housing, the equidistance is equipped with a set of draw-in groove that is used for installing ultrasonic transducer on upper portion housing and the lower part housing, and the casing descends laminating tray upper surface when upper portion, and lower part housing lifting laminating tray lower surface forms the ultrasonic cleaning cavity between upper portion housing, lower part housing, the tray, rinsing liquid pump passes through pipeline and ultrasonic cleaning cavity intercommunication.

According to the technical scheme, when the workpieces reach the station where the split type ultrasonic rinsing device is located, the lifting device and the lifting device are respectively started, the upper portion housing is descended to be attached to the upper surface of the tray, the lower portion housing is lifted to be attached to the lower surface of the tray, sealing rings matched with the edge profiles of the upper portion housing and the lower portion housing are arranged on the upper surface and the lower surface of the tray, an ultrasonic cleaning cavity is formed between the upper portion housing and the lower portion housing, a rinsing liquid pump is started to pump rinsing liquid into the ultrasonic cleaning cavity, ultrasonic rinsing is started, after rinsing set time is reached, the ultrasonic transducer stops, meanwhile, the lifting device and the lifting device reset, the rinsing liquid flows out to the lower portion, a rinsing liquid circulating system can be arranged below the rinsing liquid circulating system, the rinsing liquid is repeatedly used after being filtered, the split type single workpiece sealing cleaning mode is more thorough, the rinsing liquid of the single workpiece is not polluted by sundries washed out of other parts, the cleaning cleanliness is higher, the stability is better, meanwhile, the normal conveying flow of the production line conveyor is not influenced, and the production beat of the production line is greatly accelerated.

Optionally, there is liquid level control subassembly in addition, liquid level control subassembly includes level sensor and automatic control based on PLC, level sensor passes through the support mounting on the housing of upper portion, and the sensing head is located the ultrasonic cleaning cavity, and level sensor is connected with automatic control communication electricity based on PLC, automatic control based on PLC is connected with ultrasonic transducer, rinsing liquid pump, elevating gear and lifting device control electricity respectively.

Through above-mentioned technical scheme, level sensor monitors the rinsing liquid level, after the liquid level reachd the setting value, give liquid level signal transmission for automatic control based on PLC, automatic control based on PLC controls the rinsing liquid pump and stops to go into the rinsing liquid, and do not control two rows of ultrasonic transducer and open, begin to carry out ultrasonic cleaning to the work piece in the ultrasonic cleaning cavity, set for and wash time to the back, two rows of ultrasonic transducer stop, automatic control based on PLC controls elevating gear and lifting device and starts simultaneously and resets, then the conveyer continues the operation, get into drying station on next step with the tray and the work piece on it.

Optionally, the middle part of the tray is provided with a through hole which penetrates through the tray from top to bottom, and the workpiece cannot fall from the through hole when being positioned on the tray.

Through above-mentioned technical scheme, this kind of setting can ensure that the rinsing can all be accomplished to the surface about the work piece can, washs more thoroughly.

Optionally, the tray further comprises a pair of sealing rings, wherein sealing ring grooves are formed in the upper surface and the lower surface of the tray, which are located around the through holes, sealing rings are arranged in the sealing ring grooves, and when the upper cover shell descends to be attached to the upper surface of the tray and the lower cover shell ascends to be attached to the lower surface of the tray, the upper cover shell and the upper surface of the tray are sealed by the sealing rings, and meanwhile, the lower cover shell and the lower surface are sealed by the sealing rings.

Through above-mentioned technical scheme, the sealing washer generally adopts rubber seal, can make the sealed effect of ultrasonic cleaning cavity better.

Optionally, the power source of the lifting device and the lifting device is an air cylinder or an electric push rod.

Optionally, the tray, the upper housing and the lower housing are made of rustproof materials respectively.

Optionally, the antirust material is 304 stainless steel.

Through the technical scheme, the 304 stainless steel has excellent mechanical properties, does not rust in the long-time water immersion use process, and greatly prolongs the service life of equipment.

In summary, the invention includes at least one of the following beneficial technical effects:

the split type ultrasonic rinsing mechanism for the cleaning machine is reasonable in structural design, the cleaning mode of a traditional cleaning pool and a rinsing pool is changed into a split type cleaning mode, the split type ultrasonic rinsing device can be used for cleaning a single workpiece independently, and the split type ultrasonic rinsing mechanism is matched with a unique tray structural design, so that the split type ultrasonic rinsing mechanism is strong in universality, more thorough in cleaning, high in cleaning effect stability, free of influence on conveying layout of a production line, and capable of meeting higher production takt.

Drawings

FIG. 1 is a schematic view of a rinsing state structure of the present invention;

FIG. 2 is a schematic structural view of a mating tray of the present invention;

FIG. 3 is a schematic view of the construction of the present invention applied to a washing machine;

fig. 4 is a schematic diagram of the electrical device connection principle of the present invention.

Description of reference numerals: 1. a conveyor; 2. a frame; 3. a tray; 31. a through hole; 32. a seal ring; 53. an ultrasonic transducer; 54. rinsing the liquid pump; 55. a card slot; 56. cleaning the cavity by ultrasonic waves; 57. a liquid level sensor; 511. a lifting device; 521. a lifting device; 512. an upper housing; 522. a lower housing; 58. PLC-based automatic controllers.

Detailed Description

The present invention will be described in further detail with reference to FIGS. 1 to 4.

The embodiment of the invention discloses a split type ultrasonic rinsing mechanism for a cleaning machine.

Referring to fig. 1 to 4, a split type ultrasonic rinsing mechanism for a cleaning machine comprises a conveyor 1 for conveying workpieces in a matched manner, a frame 2 and a tray 3 for conveying the workpieces, wherein the tray 3 is installed on a conveying surface of the conveyor 1, the split type ultrasonic rinsing mechanism further comprises a lifting upper cover shell, a lifting lower cover shell, two rows of ultrasonic transducers 53 and a rinsing liquid pump 54, the lifting upper cover shell comprises a lifting device 511 and an upper cover shell 512, the lifting device 511 is installed on the frame 2, the upper cover shell 512 is installed on a lifting part of the lifting device 511, the lifting lower cover shell comprises a lifting device 521 and a lower cover shell 522, the lifting device 521 is installed on the frame 2, the lower cover shell 522 is installed on the lifting part of the lifting device 521, a group of clamping grooves 55 for installing the ultrasonic transducers is equidistantly arranged on the upper cover shell 512 and the lower cover shell 522, a shell of the ultrasonic transducers 53 is installed in the clamping grooves 55, when the upper cover shell 512 descends to be attached to the upper surface of the tray 3, the lower cover shell 522 is lifted to be attached to the lower surface of the tray 3, the upper cover shell 512, the upper shell 522 and the lower cover shell is attached to the lower cover shell to the lower surface of the tray 3, the rinsing liquid pump 56, and the rinsing liquid pump 54 is communicated with the ultrasonic cleaning cavity 56 through a pipeline.

When the workpieces reach the station where the split type ultrasonic rinsing device is located, the lifting device 511 and the lifting device 521 are respectively started, the upper cover shell 512 is descended to be attached to the upper surface of the tray 3, the lower cover shell 522 is lifted to be attached to the lower surface of the tray 3, sealing rings matched with the edge profiles of the upper cover shell 512 and the lower cover shell 522 are arranged on the upper surface and the lower surface of the tray 3, an ultrasonic cleaning cavity 56 is formed between the upper cover shell 512, the lower cover shell 522 and the tray 3, the rinsing liquid pump 54 is started to enter the ultrasonic cleaning cavity 56, ultrasonic rinsing is started, the ultrasonic transducer 53 is stopped after rinsing set time is reached, the lifting device 511 and the lifting device 521 are reset at the same time, rinsing liquid flows to the lower part, a rinsing liquid circulating system can be arranged below the rinsing liquid circulating system to filter and reuse the rinsing liquid, the split type single workpiece sealing cleaning mode is more thorough, the rinsing liquid of the single workpiece is not polluted by sundries cleaned by other parts, the cleaning cleanliness is higher, the stability is better, the normal conveying flow of the production line conveyor 1 is not influenced, and the production beat of the production line is greatly accelerated.

And the liquid level control assembly comprises a liquid level sensor 57 and an automatic controller 58 based on PLC, the liquid level sensor 57 is mounted on the upper housing 512 through a support, a sensing head is positioned in the ultrasonic cleaning cavity 56, the liquid level sensor 57 is electrically connected with the automatic controller 58 based on PLC in a communication manner, and the automatic controller 58 based on PLC is respectively electrically connected with the ultrasonic transducer 53, the rinsing liquid pump 54, the lifting device 511 and the lifting device 521 in a control manner.

The liquid level sensor 57 monitors the liquid level of the rinsing liquid, when the liquid level reaches a set value, a liquid level signal is transmitted to the automatic controller 58 based on the PLC, the automatic controller 58 based on the PLC controls the rinsing liquid pump 54 to stop pumping the rinsing liquid, and respectively controls the two rows of ultrasonic transducers 53 to be opened, so as to start ultrasonic cleaning of the workpiece in the ultrasonic cleaning cavity 56, when the set cleaning time is up, the two rows of ultrasonic transducers 5 are stopped, the automatic controller 58 based on the PLC controls the lifting device 511 and the lifting device 521 to be simultaneously started and reset, so that the conveyor 1 continues to operate, and the tray 3 and the workpiece thereon enter a next drying station.

The middle part of the tray 3 is provided with a through hole 31 which penetrates up and down, and the workpiece cannot fall from the through hole 31 when being positioned on the tray 3.

The arrangement can ensure that the rinsing can be finished on the upper surface and the lower surface of the workpiece, and the cleaning is more thorough.

And a pair of sealing rings 32 are arranged, wherein the upper surface and the lower surface of the tray 3 are positioned around the through hole 31 and are provided with sealing ring grooves, the sealing rings 32 are arranged in the sealing ring grooves, and when the upper cover shell 512 descends to be attached to the upper surface of the tray 3 and the lower cover shell 522 ascends to be attached to the lower surface of the tray 3, the sealing rings 32 seal the upper cover shell 512 with the upper surface of the tray 3 and seal the lower cover shell 522 with the lower surface.

The sealing ring 32 is generally a rubber sealing ring, which can make the ultrasonic cleaning chamber 56 have better sealing effect.

The power source of the lifting device 511 and the lifting device 521 is a cylinder or an electric push rod.

The tray 3, the upper cover 512 and the lower cover 522 are made of rustproof materials.

The rust-proof material is 304 stainless steel.

The 304 stainless steel has excellent mechanical property, does not rust in the long-time water immersion use process, and greatly prolongs the service life of equipment.

The implementation principle of the split type ultrasonic rinsing mechanism for the cleaning machine in the embodiment of the invention is as follows:

when the ultrasonic cleaning device is used, a workpiece needing to be cleaned is placed on a tray 3 of the cleaning machine by a mechanism such as a human or a robot, the tray 3 is conveyed forwards by the conveyor 1, when the workpiece reaches a station where the split type ultrasonic rinsing device is located, the lifting device 511 and the lifting device 521 are respectively started, the upper cover 512 is lowered to be attached to the upper surface of the tray 3, the lower cover 522 is lifted to be attached to the lower surface of the tray 3, sealing rings matched with the edge profiles of the upper cover 512 and the lower cover 522 are arranged on the upper surface and the lower surface of the tray 3, an ultrasonic cleaning cavity 56 is formed among the upper cover 512, the lower cover 522 and the tray 3, the rinsing liquid pump 54 is started to pump rinsing liquid 54 into the ultrasonic cleaning cavity 56, ultrasonic rinsing is started, after the set time of rinsing is reached, the liquid level sensor 57 monitors the liquid level of the rinsing liquid, when the liquid level reaches the set time, a liquid level signal is transmitted to the automatic controller 58 based on the PLC, the automatic controller 58 based on the PLC controls the rinsing liquid level pump 54 to stop pumping the rinsing liquid, the two rows of ultrasonic transducers 53 are respectively controlled to be opened, the automatic controller 58 to start ultrasonic cleaning of the workpiece in the ultrasonic cleaning cavity 56, when the two rows of the PLC 5 are reached, the automatic controller 58 and control of the lifting device 58 and the lifting device to simultaneously, the lifting device 511 and the lifting device 521 to continue to drive the drying machine to convey the tray 3, and the drying machine 1, and the drying machine 521, and continue to drive the drying machine.

Rinsing liquid flows out the below, and the below can set up rinsing liquid circulation system, with used repeatedly behind the rinsing liquid filtration treatment, and the sealed abluent mode of this kind of split type single work piece washs more thoroughly, and the rinsing liquid of single work piece does not receive the pollution of the debris that the washing of other parts came out, washs the cleanliness factor higher, and stability is better, does not influence the normal transport flow of production line conveyer 1 simultaneously, has accelerated the production beat of production line greatly.

When the split type rinsing mechanism is applied to a cleaning machine production line and used for cleaning automobile die castings with large size, the cleaning beat can be less than 70 seconds, the residual quantity of impurities on the surfaces of workpieces is measured to be less than 100mg, and the difference between the temperature of the workpieces and the ambient temperature is +/-3 ℃ after cleaning.

If adopt the production line of the mode design in traditional washing pond, it can only accomplish 2 minutes, impurity residual quantity difference is great to wash the beat, and the condition that is greater than 500mg can appear in individual impurity, and has colliding with the mar of part, does not accord with technical requirement.

When the split type rinsing mechanism is applied to a cleaning machine production line, when an automobile workpiece with a small size is cleaned, the cleaning beat is lower than 50 seconds, the residual impurity on the surface of the workpiece is measured to be less than 6mg, and the difference between the temperature of the workpiece and the ambient temperature is +/-3 ℃ after the cleaning is finished.

If the production line of the mode design of traditional washing pond is adopted, the washing beat can only accomplish 1 minute, impurity residual quantity difference is great, and the condition that is greater than 100mg can appear in individual impurity, and has colliding with the mar of part, does not conform to technical requirement.

The above are all the preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: equivalent changes made according to the structure, shape and principle of the invention shall be covered by the protection scope of the invention.

Claims

1. The utility model provides a split type ultrasonic wave rinsing mechanism for cleaning machine, is including conveyer (1) that is used for supporting the transport work piece, frame (2), tray (3) that are used for carrying the work piece, tray (3) are installed on the transport face of conveyer (1), its characterized in that: and a lifting upper cover shell, a lifting lower cover shell, two rows of ultrasonic transducers (53) and a rinsing liquid pump (54) are arranged, the lifting upper cover shell comprises a lifting device (511) and an upper cover shell (512), the lifting device (511) is installed on the frame (2), a lifting part of the lifting device (511) is installed on the upper cover shell (512), the lifting lower cover shell comprises a lifting device (521) and a lower cover shell (522), the lifting device (521) is installed on the frame (2), the lifting part of the lifting device (521) is installed on the lower cover shell (522), a set of clamping grooves (55) for installing the ultrasonic transducers are equidistantly arranged on the upper cover shell (512) and the lower cover shell (522), a shell of the ultrasonic transducers (53) is installed in the clamping grooves (55), the upper surface of the upper cover shell (512) is descended to be attached to the tray (3), the lower surface of the lower cover shell (522) is lifted to be attached to the tray (3), an ultrasonic cleaning cavity (56) is formed between the upper cover shell (512), the lower cover shell (522) and the rinsing liquid pump (54) is communicated with the ultrasonic cleaning cavity (56).

2. The split ultrasonic rinsing mechanism for cleaning machine according to claim 1, characterized in that: still have liquid level control assembly, liquid level control assembly includes liquid level sensor (57) and automatic control (58) based on PLC, liquid level sensor (57) pass through support mounting on upper portion housing (512), and the sensing head is located ultrasonic cleaning cavity (56), liquid level sensor (57) and automatic control (58) communication electricity based on PLC are connected, automatic control (58) based on PLC are connected with ultrasonic transducer (53), rinsing liquid pump (54), elevating gear (511) and lifting device (521) control electricity respectively.

3. The split ultrasonic rinsing mechanism for a cleaning machine according to claim 1, wherein: the middle part of the tray (3) is provided with a through hole (31) which penetrates through the tray from top to bottom, and the workpiece cannot fall from the through hole (31) when being positioned on the tray (3).

4. The split ultrasonic rinsing mechanism for cleaning machine according to claim 3, characterized in that: and the upper surface and the lower surface of the tray (3) are positioned around the through hole (31) and are provided with sealing ring grooves, the sealing rings (32) are arranged in the sealing ring grooves, and when the upper cover shell (512) descends to be attached to the upper surface of the tray (3) and the lower cover shell (522) ascends to be attached to the lower surface of the tray (3), the upper cover shell (512) and the upper surface of the tray (3) are sealed by the sealing rings (32), and meanwhile, the lower cover shell (522) and the lower surface are sealed by the sealing rings.

5. The split ultrasonic rinsing mechanism for a cleaning machine according to claim 1, wherein: the power sources of the lifting device (511) and the lifting device (521) are cylinders or electric push rods.

6. The split ultrasonic rinsing mechanism for cleaning machine according to claim 1, characterized in that: the tray (3), the upper cover shell (512) and the lower cover shell (522) are made of rustproof materials respectively.

7. The split ultrasonic rinsing mechanism for cleaning machine according to claim 6, wherein: the antirust material is 304 stainless steel.