Oil spraying machine

By introducing walking wheels, booster pumps and filters into the injector, and combining PLC modules and composite hoses, the mobility and spray uniformity of the injector are solved, and convenient movement and efficient spraying effects are achieved to meet the application needs of automotive parts.

CN120268575APending Publication Date: 2025-07-08SUZHOU MEIKAI PACKAGING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510444439.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2025-03-19
Filing Date
2025-04-10
Publication Date
2025-07-08

AI Technical Summary

Technical Problem

When used in the field of automotive parts, the existing oil injectors have a fixed structure that is not movable, the use range is limited, and the oil spraying is uneven, and the oil consumption is large, making it difficult to meet the needs of efficient spraying.

Method used

An oil injection machine is designed including supporting housing assembly, oil storage assembly, oil discharge assembly, air compressor and oil injection assembly. It uses a walking wheel to facilitate movement, a booster pump and filter ensure uniform mixing of oil, automatic control is achieved through the PLC module, and combined with a composite hose and oil injection gun to improve the spraying effect.

Benefits of technology

It realizes the convenient movement of the oil injection machine, uniform spraying of oil, saving oil usage, improving spraying efficiency and effect, and meeting the efficient spraying needs of automotive parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to an oil spraying machine which comprises a supporting shell assembly which comprises a containing box body and a plurality of walking wheels installed at the bottom of the containing box body. The oil storage assembly at least comprises an oil storage tank mounted in the accommodating box body; the oil outlet assembly comprises an oil outlet pipe which is arranged at the lower part of the oil storage tank and is communicated with the oil storage tank, a booster pump which is arranged on the oil outlet pipe, and a filter which is arranged on the oil outlet pipe and is positioned at the downstream of the booster pump; the air compressor is mounted in the accommodating box body and is used for outputting high-pressure air; and the oil spraying assembly communicates with the oil outlet pipe, communicates with the air compressor through an air conveying pipe and is used for spraying out the high-pressure air and the oil after the high-pressure air and the oil are mixed. And the discharged oil can be uniformly mixed with high-pressure air after passing through the booster pump and the filter, so that the uniformity of the oil can be greatly improved, the particle size range of the oil can be reduced, the use amount of the oil is saved, and the oil injection effect is improved.
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Description

Technical Field

[0001] The present invention belongs to the field of automated equipment, relates to an oil spraying machine, and specifically relates to an automatic oil spraying machine. Background Art

[0002] Rusting often refers to the corrosion of ferrous metals in the air caused by the electrochemical action involving water and oxygen. Antirust oil mainly forms a protective film on the metal surface by the antirust agent in it to isolate water and oxygen, thereby playing an antirust role. An oil spraying machine is a device for spraying oils such as antirust oil and is widely used in the field of automotive parts.

[0003] The Chinese invention patent with the application number 201720675293.2 discloses an oil spraying machine on an automotive parts production line. Its structure includes an oil storage tank, an oil pump, an antirust oil recovery device, a working platform, a storage box, a frame, a base, an oil spraying machine body, an oil spraying mechanism, and an upper box cover. The top of the oil spraying machine body is perpendicular to the upper box cover. There is an oil storage tank above the upper box cover, and the oil storage tank and the upper box cover are perpendicular to each other. The oil storage tank is parallel to the oil pump. There is an antirust oil recovery device on the right side of the oil pump. The bottom of the oil spraying machine body is provided with a working platform, and the working platform is supported on the base through a frame. The base and the frame are perpendicular to each other, and the base and the working platform are parallel to each other. The storage box is arranged on the base, and the oil spraying mechanism is arranged inside the oil spraying machine body. The oil spraying mechanism consists of an oil inlet pipe joint, an oil pipeline, an oil pressure regulator, and a pneumatic siphon nozzle. This application can recycle and use the excess antirust oil when the oil pressure in the fuel tank is too high due to excessive oil absorption by providing an antirust oil recovery device. However, an oil spraying machine with such a structure needs to be fixedly arranged, and the applicable range is small.

[0004] The Chinese invention patent with the application number 202410286439.9 discloses an automatic oil spraying machine and its oil spraying method. The oil spraying machine includes an oil spraying frame, an oil spraying module, a blanking rotating module, and a loading and unloading module; the oil spraying frame is provided with a feed inlet and a discharge outlet; the blanking rotating module includes a plurality of moving trays, a rotating bracket, and a rotating platform; the oil spraying module includes an oil spraying manipulator and a sliding chain. The first end of the oil spraying manipulator is fixedly connected to the sliding chain, and the second end of the oil spraying manipulator is provided with an oil spraying head; the loading and unloading module includes a loading mechanism and an unloading mechanism. The loading mechanism is located outside the feed inlet, and the unloading mechanism is located outside the discharge outlet. The placement and removal of the moving trays are completed through the loading mechanism and the unloading mechanism, and the oil spraying of toy materials is completed through the oil spraying head. No manual participation is required, and multiple toy materials can be sprayed simultaneously at one time, thereby improving the production efficiency and product quality of toys. An automatic oil spraying machine with such a structure needs to rely on structures such as an oil spraying module, a blanking rotating module, and a loading and unloading module, and the structure is complex and difficult to meet the requirements of the automotive parts field. Summary of the Invention

[0005] The object of the present invention is to solve the deficiencies existing in the prior art and to propose an oil injector.

[0006] To achieve the above object, the present invention adopts the following technical solutions: An oil injector, which includes: A support housing assembly, the support housing assembly includes a receiving box body and a plurality of traveling wheels installed at the bottom of the receiving box body; An oil storage assembly, the oil storage assembly at least includes an oil storage tank installed in the receiving box body; An oil outlet assembly, the oil outlet assembly includes an oil outlet pipe installed at the lower part of the oil storage tank and communicated with it, a booster pump installed on the oil outlet pipe, and a filter installed on the oil outlet pipe and located downstream of the booster pump; An air compressor, the air compressor is installed in the receiving box body and is used to output high-pressure air; An oil injection assembly, the oil injection assembly is communicated with the oil outlet pipe and is communicated with the air compressor through an air delivery pipe, and is used to spray out the mixture of high-pressure air and oil.

[0007] Optimally, the oil outlet assembly further includes a flow meter installed on the oil outlet pipe and located downstream of the filter, and a steam-water separator is installed on the air delivery pipe.

[0008] Optimally, the support housing assembly further includes an electrical box installed on the top of the receiving box body, a first partition plate erected in the receiving box body to divide it into two first chambers, and a handrail pipe installed on the side of the receiving box body or the electrical box.

[0009] Further, the electrical box includes a box body installed on the top of the receiving box body, a second partition plate erected in the box body to divide it into two second chambers, a first opening and closing door pivotally connected to the top of the box body and corresponding to one of the second chambers, and a second opening and closing door pivotally connected to the top of the box body and corresponding to the other second chamber. A plurality of heat dissipation holes are opened on the side of the box body, and a display panel and a plurality of function buttons are arranged on the first opening and closing door; a plurality of first handles are arranged on the first opening and closing door, and a plurality of second handles are arranged on the second opening and closing door.

[0010] Furthermore, the oil storage assembly further includes an oil inlet pipe with one end communicated with the oil storage tank and a fuel pump installed on the oil inlet pipe. A pressure relief valve is arranged on the top of the oil storage tank and a liquid level gauge extending into it is installed. An oil valve is installed on the oil outlet pipe, and a gas valve is installed on the air delivery pipe.

[0011] Further, it further includes a module installed in any one of the second chambers, and the module is respectively communicated with the display panel, the oil pump, the liquid level gauge, the booster pump, the flow meter, the oil valve, the air compressor and the air valve for automatic control thereof.

[0012] Optimally, the oil injection assembly includes a support frame installed in the accommodation box body, a hose reel rotatably installed on the support frame, a composite hose wound around the hose reel and respectively connecting the air delivery pipe and the oil outlet pipe, and an oil injection gun connected to the composite hose.

[0013] Furthermore, it further includes a battery connected to the module, a charging plug connected to the module and selectively used with the battery, and an inverter connected to the module and cooperating with the battery and the charging plug.

[0014] The beneficial effects of the present application are as follows: The oil injector of the present invention can be arbitrarily moved within a certain range by installing traveling wheels at the bottom of the accommodation box body without being fixed at a specific position, improving the available range; moreover, after the oil outlet passes through the booster pump and the filter, it can be evenly mixed with high-pressure air, which can greatly improve the evenness of the oil liquid and reduce its particle size range, thereby saving the amount of oil liquid used and improving the oil injection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the oil injector of the present invention.

[0016] Figure 2 It is a partial structural diagram of the oil injector of the present invention.

[0017] Figure 3 It is a control module diagram of the oil injector of the present invention.

[0018] Figure 4 It is a circuit diagram of the power supply connection of the oil injector of the present invention.

[0019] Figure 5 It is a circuit diagram of the power supply connection of the oil injector of the present invention (power supply selection).

[0020] Figure 6 It is a protection circuit of the power supply connection of the oil injector of the present invention.

[0021] Figure 7 It is a wiring diagram of the air compressor, the oil pump and the booster pump in the oil injector of the present invention.

[0022] Figure 8 It is a partial circuit diagram of the oil injector of the present invention.

[0023] Figure 9This is the wiring diagram of the air valve and the oil valve in the injector of the present invention.

[0024] Figure 10 This is the circuit diagram of each function button in the injector of the present invention.

[0025] Figure 11 This is a partial circuit diagram of the injector of the present invention.

[0026] Figure 12 This is the wiring diagram of the liquid level gauge and the flow meter in the injector of the present invention.

[0027] Figure 13 This is the wiring diagram of the module (PLC) and the display panel (touch screen) in the injector of the present invention.

[0028] Figure 14 This is the schematic structural diagram of the composite hose of the present invention. Specific Embodiments

[0029] The following further details the present application in conjunction with the accompanying drawings through specific embodiments. Similar elements in different embodiments are labeled with related similar element numbers. In the following embodiments, many detailed descriptions are provided to enable a better understanding of the present application. However, those skilled in the art can easily recognize that some of the features can be omitted in different situations, or can be replaced by other elements, materials, or methods. In some cases, some operations related to the present application are not shown or described in the specification to avoid overwhelming the core part of the present application with excessive descriptions. For those skilled in the art, it is not necessary to describe these related operations in detail, and they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0030] In addition, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments, and the operation steps involved in each embodiment can also be reordered or adjusted in an obvious manner by those skilled in the art. Therefore, the specification and the drawings are only for clearly describing a certain embodiment and do not mean to be the necessary composition and / or sequence.

[0031] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the described objects and do not have any sequential or technical meaning. And the "connection" and "coupling" mentioned in the present application, unless otherwise specified, both include direct and indirect connection (coupling).

[0032] Please refer to Figure 1-2 , the present application provides an injector, which mainly includes a support housing assembly 1', an oil storage assembly 2', an oil outlet assembly 3', an air compressor 4', an oil injection assembly 5', etc.

[0033] Among them, the support housing assembly 1' includes a receiving box 11' and a plurality of traveling wheels 13' (the traveling wheels 13' can be conventional universal wheels) installed at the bottom of the receiving box 11'. In this embodiment, the support housing assembly 1' further includes an electrical box 14' installed on the top of the receiving box 11', a first partition plate 12' erected inside the receiving box 11' (usually fixed by conventional welding, fasteners, etc., the same below) to divide it into two first chambers (the two first chambers are respectively used to install different components), and a handrail pipe 17 installed on the side of the receiving box 11' or the electrical box 14'. In this way, when in use, the user can hold the handrail pipe 17 to push the movement of the support housing assembly 1'. The electrical box 14' includes a box installed on the top of the receiving box 11', a second partition plate erected inside the box to divide it into two second chambers, a first opening and closing door 15' pivotally connected (the pivotal connection can adopt the existing conventional method, such as by hinge connection, etc.) to the top of the box and corresponding to one of the second chambers, and a second opening and closing door 16' pivotally connected to the top of the box and corresponding to the other second chamber; a plurality of heat dissipation holes 141' are opened on the side of the box, and a display panel 1 (i.e., a touch screen) and a plurality of function buttons 3 are provided on the first opening and closing door 15' ( Figure 1 from right to left in the figure are: manual / automatic switching button, emergency stop button, start / pause button, battery / mains switching button, and an oil pump overload alarm can also be set, etc.); a plurality of first handles 151' are provided on the first opening and closing door 15', and a plurality of second handles 161' are provided on the second opening and closing door 16'. In this way, the structure of the entire support housing assembly 1' is compact, occupies a small space, and is convenient for movement or transfer.

[0034] The oil storage assembly 2' at least includes an oil storage tank 21' installed inside the receiving box 11' (installed in one of the first chambers inside the aforementioned receiving box 11') for storing or temporarily storing oil (it can be any oil, and can be specifically selected according to actual needs. For example, when rust prevention is required for automotive parts, rust prevention oil is accommodated). In this embodiment, the oil storage assembly 2' further includes an oil inlet pipe 22' with one end connected to the oil storage tank 21' and an oil pump 23' installed on the oil inlet pipe 22'. A pressure relief valve 201' is provided on the top of the oil storage tank 21' and a liquid level gauge 24' extending into it is installed. In this way, when the oil pump 23' works, oil can be input into the oil storage tank 21' and the liquid level in the oil storage tank 21' can be accurately controlled in combination with the display of the liquid level gauge 24'.

[0035] The oil outlet assembly 3' includes an oil outlet pipe 31' installed at and communicating with the lower part of the oil storage tank 21', a booster pump 32' installed on the oil outlet pipe 31', and a filter 33' installed on the oil outlet pipe 31' and downstream of the booster pump 32'; the oil outlet assembly 3' further includes a flow meter 34' installed on the oil outlet pipe 31' and downstream of the filter 33', and an oil valve 35' is installed on the oil outlet pipe 31'. The oil valve 35', booster pump 32' and flow meter 34' are used in coordination to accurately control the oil output volume.

[0036] The air compressor 4' is installed in the accommodation box 11' (installed in another first chamber within the aforementioned accommodation box 11') for outputting high-pressure air; the oil injection assembly 5' is communicated with the oil outlet pipe 31' and is connected to the air compressor 4' through an air delivery pipe 40' (an air valve 42' is installed on the air delivery pipe 40' for spraying the high-pressure air and the oil fluid after mixing them. In this way, the oil output can be evenly mixed with the high-pressure air after passing through the booster pump 32' and the filter 33', which can greatly improve the evenness of the oil fluid and reduce its particle size range, thereby saving the consumption of the oil fluid and improving the oil injection effect).

[0037] In this embodiment, the oil injector further includes a module 8 (i.e., a PLC or a PLC control module) installed in any second chamber. The module 8 is respectively communicated with the display panel 1, the oil pump 23', the liquid level gauge 24', the booster pump 32', the flow meter 34', the oil valve 35', the air compressor 4' and the air valve 42' for automatically controlling them to achieve the automatic control of the entire oil injector. Specifically, the oil injection assembly 5' includes a support frame 52' installed in the accommodation box 11' (located in the aforementioned another first chamber), a hose reel 53' rotatably installed on the support frame 52' (such as a connecting shaft is keyed at the center of the hose reel 53', and this connecting shaft is installed on the support frame 52' through a bearing), a composite hose 54' wound around the hose reel 53' and respectively connecting the air delivery pipe 40' and the oil outlet pipe 31' (that is, the composite hose 54' includes two hoses, one connecting the air delivery pipe 40' and the other connecting the oil outlet pipe 31', and its length can be conventionally selected according to actual needs; in this embodiment, as Figure 14 shown, the composite hose 54' includes a first hose 541' and a second hose 542'. The first hose 541' is communicated with the air delivery pipe 40', and the second hose 542' is communicated with the oil outlet pipe 31'; a check valve 543' is preferably installed on the second hose 542' to prevent the backflow of the oil fluid and further improve the accuracy of the oil output volume control) and an oil injection gun 51' connected to the composite hose 54' (the air delivery pipe 40' is connected to the tail end of the oil injection gun 51', and the oil outlet pipe 31' is connected to the front end of the oil injection gun 51'), so as to ensure the evenness of the oil-gas mixture and can increase the usage range of the oil injection gun 51' by pulling the composite hose 54' without moving the oil injector.

[0038] As Figure 3 shown, the oil injector further includes a battery connected to module 8, a charging plug connected to module 8 and alternatively used with the battery (for connecting to the mains power or charging the battery), and an inverter connected to module 8 and cooperating with the battery and the charging plug. The wiring method is as Figure 4 and Figure 5 shown. In this way, it can automatically select a suitable power supply under certain conditions through a dual-power circuit breaker (i.e., a dual-power automatic transfer switch) (such as automatically switching to battery power supply when power is cut off), or can also be operated via the aforementioned function button (i.e., the battery / mains power switch button as Figure 10 shown). A protection circuit can also be provided between the power supply and the dual-power circuit breaker or between the dual-power circuit breaker and the load, as Figure 6 shown, such as a leakage switch, a power circuit breaker, and a control circuit breaker connected in sequence, to achieve precise protection between the power supply and the load. The oil extraction pump 23', the booster pump 32', and the air compressor 4' are connected in parallel, as Figure 7 shown, and contactors or relays are installed on their respective circuits to ensure the smooth operation of the circuit. As Figure 8 shown, the dual-power circuit breaker also connects to a control switch power supply, which is used to convert the high voltage (usually 220V) accessed by the battery or the charging plug into a 24V output. The connection of the oil valve 35' and the air valve 42' is as Figure 9 shown, and the connection of each function button is as Figure 10 shown, and combined with Figures 11 to 13 , thereby realizing the automatic control of the oil injector. In addition, based on Figures 4 to 13 's precise circuit layout, the present application can precisely control the liquid output of the oil injector through manual setting (the liquid output can have two modes: manual or automatic, realized through the manual / automatic switch button). For example, the automatic liquid output per time is set to 50 ml through the display panel 1 (the liquid output here can be any and commonly selected). In this way, a corresponding signal is sent to module 8, and then module 8 sends precise control signals to the flowmeter 34', the booster pump 32', the oil valve 35', etc. In the automatic mode: when the oil injection gun 51' is pressed, the corresponding volume of oil liquid is automatically ejected (the corresponding volume of oil liquid is ejected after being mixed with air); after all the corresponding volume of oil liquid is ejected, after operations such as the booster pump 32' pausing and the oil valve 35' closing, after 1 - 2 s (the time can be freely set), the booster pump 32' works and the oil valve 35' opens (automatically). At this time, when the oil injection gun 51' is pressed again, the corresponding volume of oil liquid can be ejected, and so on in a cycle; in the manual mode: when the oil injection gun 51' is pressed, the corresponding volume of oil liquid is continuously ejected. When the oil injection gun 51' is released and then pressed again, it is okay, and so on in a cycle. Thus, the quantitative, precise, and automatic ejection of the oil liquid is realized, saving the usage amount of the oil liquid and improving the oil injection effect.

[0039] The automatic oil spraying machine disclosed in this application has excellent performance and stable operation among mechanical structures. In particular, the circuit control system of the automatic oil spraying machine realizes the high-reliability operation of the equipment through a dual-power redundant power supply architecture and modular control design. The system uses a PLC as the control core, integrates a multi-parameter detection unit and a hierarchical safety protection mechanism, and has functions of fault self-diagnosis, energy consumption monitoring and remote communication. Innovatively, the contactor control logic is combined with the intermediate relay drive circuit, which not only ensures the driving ability of high-power loads, but also significantly improves the control accuracy.

[0040] The above embodiments are only for illustrating the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement it accordingly, and cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.

Claims

1. An oil injector, characterized in that, It includes: A support housing assembly (1'), the support housing assembly (1') includes a receiving box (11') and a plurality of traveling wheels (13') mounted at the bottom of the receiving box (11'); An oil storage assembly (2'), the oil storage assembly (2') at least includes an oil storage tank (21') mounted in the receiving box (11'); An oil outlet assembly (3'), the oil outlet assembly (3') includes an oil outlet pipe (31') mounted at the lower part of the oil storage tank (21') and communicating with it, a booster pump (32') mounted on the oil outlet pipe (31'), and a filter (33') mounted on the oil outlet pipe (31') and located downstream of the booster pump (32'); An air compressor (4'), the air compressor (4') is mounted in the receiving box (11') and is used to output high-pressure air; An oil injection assembly (5'), the oil injection assembly (5') is communicated with the oil outlet pipe (31') and is communicated with the air compressor (4') through an air delivery pipe (40'), and is used to spray out the mixture of high-pressure air and oil fluid.

2. The oil injector according to claim 1, characterized in that: The oil outlet assembly (3') further includes a flow meter (34') mounted on the oil outlet pipe (31') and located downstream of the filter (33'), and a steam-water separator (41') is mounted on the air delivery pipe (40').

3. The oil injector according to claim 1, wherein: The support housing assembly (1') further includes an electrical box (14') mounted on the top of the receiving box (11'), a first partition board (12') erected in the receiving box (11') to divide it into two first chambers, and a handrail pipe (17) mounted on the side of the receiving box (11') or the electrical box (14').

4. The oil injector according to claim 3, wherein: The electrical box (14') includes a box body mounted on the top of the receiving box (11'), a second partition board erected in the box body to divide it into two second chambers, a first opening and closing door (15') pivotally connected to the top of the box body and corresponding to one of the second chambers, and a second opening and closing door (16') pivotally connected to the top of the box body and corresponding to the other second chamber. A plurality of heat dissipation holes (141') are opened on the side of the box body. A display panel (1) and a plurality of function buttons (3) are provided on the first opening and closing door (15'); A plurality of first handles (151') are provided on the first opening and closing door (15'), and a plurality of second handles (161') are provided on the second opening and closing door (16').

5. The oil injector according to claim 4, wherein: The oil storage assembly (2') further includes an oil inlet pipe (22') with one end communicated with the oil storage tank (21') and a suction pump (23') mounted on the oil inlet pipe (22'). A pressure relief valve (201') is provided on the top of the oil storage tank (21') and a liquid level gauge (24') extending into it is installed. An oil valve (35') is mounted on the oil outlet pipe (31'), and an air valve (42') is mounted on the air delivery pipe (40').

6. The oil injector according to claim 5, characterized in that: It further includes a module (8) installed in any one of the second chambers, and the module (8) is respectively communicated with the display panel (1), the oil extraction pump (23'), the liquid level gauge (24'), the booster pump (32'), the flowmeter (34'), the oil valve (35'), the air compressor (4') and the air valve (42') for automatically controlling them.

7. The oil injector according to claim 1, characterized in that: The fuel injection assembly (5') includes a support frame (52') installed in the accommodation box body (11'), a hose reel (53') rotatably installed on the support frame (52'), a composite hose (54') wound around the hose reel (53') and respectively connecting the gas transmission pipe (40') and the oil outlet pipe (31'), and a fuel injection gun (51') connected to the composite hose (54').

8. The oil injector according to claim 6, wherein: It further includes a battery connected to the module (8), a charging plug connected to the module (8) and used alternatively with the battery, and an inverter connected to the module (8) and cooperating with the battery and the charging plug.

Citation Information

Patent Citations

  • Automatic oil spraying machine and oil spraying method thereof

    CN118204217A

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    CN207042711U