Cleaning device of special clamp for printed circuit board and printing ink coating equipment

Abstract

A cleaning device for a special clamp for a printed circuit board comprises a cleaning tank arranged in the translation range of the clamp and a plurality of cleaning assemblies arranged in the cleaning tank, the cleaning tank is provided with a plurality of channels allowing a plurality of clamps to pass through in a translation mode at the same time, and the cleaning assemblies are arranged in the cleaning tank. Each set of cleaning assembly is configured to sequentially spray cleaning liquid to the clamping openings of the clamps translating in the corresponding channels, the multiple sets of cleaning assemblies clean the clamps moving in the multiple channels at the same time, the cleaning efficiency is improved, a lifting mechanism and a power part for driving the lifting mechanism to move up and down in the prior art are omitted, and the cost is reduced. The utility model further provides printing ink coating equipment comprising the cleaning device, the printing ink coating equipment comprises a chain wheel transmission mechanism, a plurality of chain clamp assemblies sequentially arranged on the chain wheel transmission mechanism at intervals and a power part for driving the chain wheel transmission mechanism to rotate, and each chain clamp assembly comprises a clamping rod and a plurality of clamps installed on the clamping rod at intervals; the power component drives the chain wheel transmission mechanism to rotate and move, and the chain wheel transmission mechanism links the clamps on the clamping rods to move horizontally.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of cleaning device of special fixture of printed circuit board, for cleaning the fixture that holds printed circuit board, also relates to a kind of ink coating equipment comprising cleaning device. BACKGROUND

[0002] After printed circuit board (PCB) is coated, it also needs to coat a layer of ink on the surface of printed circuit board that has already had circuit and is baked by fixture clamping, when fixture clamps printed circuit board, the clamp opening of fixture will stick ink, and in the process of ink baking, it will dry on the clamp opening, when the clamp opening clamps another substrate, it will affect the ink coating quality of printed circuit board.

[0003] In the prior art, a cleaning tank with lifting function is arranged at the discharge end of the oven, and when the power component drives the cleaning tank to rise to a set height, the clamp opening of the fixture is cleaned. After the cleaning tank cleans the clamp opening of the fixture, the power component drives the cleaning tank to descend to the starting position again. In the process of batch baking printed circuit boards, the cleaning tank needs to move up and down repeatedly to complete the cleaning of the fixture. The power component consumes a large amount of electric energy in the process of rising and descending, and increases the lifting mechanism, thereby increasing the production cost.

[0004] Based on the above reasons, there is an urgent need for a cleaning device for special fixture of printed circuit board to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at overcoming the deficiencies of the prior art, and provides a cleaning device for special fixture of printed circuit board with high cleaning efficiency and ink coating equipment. The cleaning device saves the lifting mechanism and the power component for driving the lifting mechanism to move up and down in the prior art, thereby reducing the cost.

[0006] The utility model is implemented as follows: a cleaning device for special fixture of printed circuit board comprises:

[0007] The cleaning tank is arranged in the translation range of the fixture and has multiple channels for parallel movement of multiple fixtures.

[0008] Multiple cleaning assemblies are arranged in the cleaning tank, and each cleaning assembly is configured to spray cleaning liquid to the clamp opening of the fixture moving in parallel in the corresponding channel.

[0009] Preferably, the cleaning assembly comprises two rows of nozzles arranged at intervals and staggered, the channel is located at the interval between the two nozzle groups, each nozzle group comprises multiple nozzles arranged at intervals, and the nozzles are arranged towards the clamp opening of the fixture in the channel.

[0010] Further, the cleaning device for the special fixture of printed circuit board comprises an air suction assembly, which comprises:

[0011] An air suction pipeline, which is provided with a plurality of air suction ports arranged on the path of parallel movement of the fixture;

[0012] A fan for generating negative pressure in the air suction pipeline to suck the cleaning liquid remaining on the cleaned fixture.

[0013] Further, the cleaning device for the special fixture of printed circuit board comprises a heating assembly, which comprises:

[0014] A heating coil, which is provided with a plurality of heating ports formed thereon and arranged on the path of parallel movement of the fixture,

[0015] A high-frequency heating machine for applying high-frequency current to the heating coil to heat the metal fixture moving in parallel to the heating ports.

[0016] Further, the cleaning device for the special fixture of printed circuit board comprises a plurality of brushes arranged on the path of parallel movement of the fixture, which are located between the air suction ports and the heating ports and used for cleaning the clamping ports of the fixture.

[0017] Further, the cleaning device for the special fixture of printed circuit board further comprises a cooling assembly, which removes the heat of the high-frequency heating machine through water circulation.

[0018] Further, the cleaning device for the special fixture of printed circuit board further comprises a liquid supply assembly, which comprises:

[0019] A liquid storage tank for storing cleaning liquid;

[0020] A liquid injection pump for injecting the cleaning liquid in the liquid storage tank into the nozzle.

[0021] Further, a plurality of cover plates are arranged on the top of the cleaning tank and located on both sides of the channel, and the cover plates are configured to guide the cleaning liquid sprayed by the cleaning assembly onto the cover plates into the cleaning tank.

[0022] Further, the cleaning device for the special fixture of printed circuit board further comprises a waste liquid collection assembly, which comprises:

[0023] A waste liquid tank for communicating with the overflow port of the cleaning tank to collect the cleaning liquid flowing out of the overflow port of the cleaning tank.

[0024] The utility model provides a kind of cleaning device of special fixture for printed circuit board, including being set in the translational range of fixture cleaning tank and multiple sets of cleaning components respectively set in cleaning tank, wherein, cleaning tank has multiple passages for multiple fixtures to pass through simultaneously, each cleaning component is configured to spray cleaning fluid to the chucking opening of fixture moving in corresponding passage in parallel, multiple cleaning components clean fixture moving in multiple passages simultaneously, improve cleaning efficiency, save lifting mechanism in the prior art and power component driving lifting mechanism to move up and down, reduce cost.

[0025] The utility model further provides a kind of ink coating equipment, including the cleaning device of special fixture for printed circuit board described above, further include sprocket drive mechanism, multiple chain clamp components sequentially spaced apart in the sprocket drive mechanism and power component driving the rotation of the sprocket drive mechanism, wherein, the chain clamp component includes clamping rod and multiple fixtures spaced apart on the clamping rod, the power component drives the sprocket drive mechanism to rotate and move, the sprocket drive mechanism links the fixture parallel movement on the clamping rod, to clean the chucking opening of fixture by cleaning device. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the utility model, the following will be briefly introduced to the drawing needed to be used in embodiment, obviously, the drawing in the following description is only some embodiments of the utility model, for ordinary skilled person in the art, without creative labor, other drawings can also be obtained according to these drawings.

[0027] Figure 1 It is the structure diagram of ink coating equipment provided by the utility model embodiment.

[0028] Figure 2 It is the partial schematic view of ink coating equipment provided by the utility model embodiment.

[0029] Figure 3 It is the structure diagram of cleaning tank and cleaning component cooperation installation in the cleaning device of special fixture for printed circuit board provided by the utility model embodiment.

[0030] Figure 4 It is the structure diagram of cleaning tank and cover cooperation installation in the cleaning device of special fixture for printed circuit board provided by the utility model embodiment.

[0031] Figure 5 It is the structure diagram of suction assembly in the cleaning device of special fixture for printed circuit board provided by the utility model embodiment.

[0032] The realization of the utility model, functional characteristics and advantages will be further described with reference to the drawings combined with embodiment.

[0033] Wherein, the reference signs are explained as follows:

[0034] Cleaning tank 100, channel 110, cover plate 120, cleaning assembly 200, nozzle group 210, nozzle 211, air suction assembly 300, air suction duct 310, air suction port 311, heating coil 410, heating port 411, high-frequency heating machine 420, brush 500, cooling assembly 600, liquid storage tank 710, liquid injection pump 720;

[0035] Clamp 10, clamp opening 11, sprocket transmission mechanism 20, clamp rod 30. DETAILED DESCRIPTION

[0036] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal" and the like indicate the orientation or state relationship based on the orientation or state relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0037] In addition, in addition to indicating the orientation or state relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0038] In addition, the terms "mounting", "setting", "provided with", "connection", "connected" should be broadly understood. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0039] In addition, the terms "first", "second" and the like are mainly used to distinguish different devices, elements or components, and the specific type and structure may be the same or different, and are not intended to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise stated, the meaning of "multiple" is two or more.

[0040] In order to clearly indicate the direction relationship in the drawing, a coordinate system with the vertical direction as the Z direction and the horizontal plane as the XY plane is appropriately marked.

[0041] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the accompanying drawings in the utility model embodiment.

[0042] As shown in Figure 1 and Figure 2 The utility model discloses a kind of cleaning device of special fixture of printed circuit board, comprising:

[0043] At least one cleaning tank 100 is arranged in the translation range of fixture 10, with multiple passages 110 for multiple fixtures 10 to move through simultaneously, in the embodiment, the cleaning tank 100 is preferably two, one is a cleaning tank 100 containing liquid medicine, and the other is a cleaning tank 100' containing water, to clean the liquid medicine on the fixture 10;

[0044] Multiple cleaning assemblies 200 are arranged in the cleaning tank 100 respectively, and each cleaning assembly 200 is configured to spray cleaning liquid to the clamp opening 11 of the fixture 10 moving in the corresponding passage 110, the cleaning tank 100 and the cleaning assembly 200 are arranged on the path of the fixture 10 moving in parallel, and the multiple cleaning assemblies 200 clean the fixtures moving in the multiple passages 110 simultaneously, which improves the cleaning efficiency, saves the lifting mechanism and the power component driving the lifting mechanism to move up and down in the prior art, and reduces the cost.

[0045] In the embodiment, the cleaning liquid contains a medicament for dissolving ink, including but not limited to alcohol or dishwashing liquid.

[0046] As shown in Figure 3 Preferably, each cleaning assembly 200 includes two rows of nozzles 210 arranged at intervals and staggered, and the passage 110 is located at the interval between the two rows of nozzles 210, and each nozzle group 210 includes multiple nozzles 211 arranged at intervals, and the nozzles 211 are arranged towards the clamp opening 11 of the fixture 10 in the passage 110, and during the movement of the fixture 10 in the passage 110, the multiple nozzles 211 on both sides of the same passage 110 can clean the clamp openings 11 at different angle positions in turn, with good cleaning effect.

[0047] In another embodiment, the nozzles 211 can be replaced by ultrasonic probes, and multiple ultrasonic probes are arranged in the cleaning tank 100, and the ultrasonic probes are electrically connected to an ultrasonic generator, and the ultrasonic probes generate ultrasonic vibration through the ultrasonic generator and propagate into the liquid to form ultrasonic cavitation effect for cleaning the fixture, and the ultrasonic cavitation effect refers to the dynamic process of growth and collapse of micro-gas nucleus cavitation bubbles in the liquid under the action of sound waves when the sound pressure reaches a certain value.

[0048] As shown in Figure 4As shown, further, a plurality of cover plates 120 are mounted on the top of the cleaning tank 100, respectively on both sides of the channel 110, and the cover plates 120 are configured to guide the cleaning liquid sprayed on the cover plates 120 into the cleaning tank 100, avoiding the phenomenon of cleaning liquid splashing out of the cleaning tank 100.

[0049] As shown in the drawings, Figure 5 As shown, further, the cleaning device of the special fixture for printed circuit board comprises an air suction assembly 300, and the air suction assembly 300 comprises:

[0050] An air suction pipeline 310 is provided with a plurality of air suction ports 311 in parallel, and the air suction ports 311 are arranged on the path of parallel movement of the fixture 10.

[0051] A fan 320 is arranged in the air suction pipeline 310 to generate negative pressure for sucking the cleaning liquid remaining on the cleaned fixture 10, and the cleaning liquid on the fixture 10 can be removed by suction, avoiding the splashing phenomenon of the cleaning liquid during the removal process.

[0052] As shown in the drawings, Figure 1 and Figure 2 As shown, further, the cleaning device of the special fixture for printed circuit board comprises a heating assembly, and the heating assembly comprises:

[0053] A heating coil 410 is formed with a plurality of heating ports 411 in a ring shape, and the heating ports 411 are arranged on the path of parallel movement of the fixture 10.

[0054] A high-frequency heating machine 420 is arranged to apply high-frequency current to the heating coil 410, and then heat the metal fixture 10 moving in parallel into the heating ports 411, so that the heating efficiency is high, the clamp opening 11 can be quickly dried, and the phenomenon of diluting the ink coated on the printed circuit board by the cleaning liquid remaining on the clamp opening 11 is avoided.

[0055] As shown in the drawings, Figure 2 As shown, further, the cleaning device of the special fixture for printed circuit board comprises a plurality of brushes 500 arranged on the path of parallel movement of the fixture 10, and the brushes 500 are located between the air suction ports 311 and the heating ports 411, and are used to clean the clamp opening 11 of the fixture 10. When the fixture 10 moves to the upper end of the brush 500, the brush 500 is bent under force, and extends into the clamp opening 11 during the continuous movement of the fixture 10, so as to achieve the purpose of cleaning the water droplets in the clamp opening 11.

[0056] As shown in the drawings, Figure 1 As shown, further, the cleaning device of the special fixture for printed circuit board further comprises a cooling assembly 600, and the cooling assembly 600 removes the heat of the high-frequency heating machine 420 by water circulation.

[0057] Furthermore, the cleaning device for the printed circuit board special fixture also includes a liquid supply assembly, which includes:

[0058] Storage tank 710 is used to store cleaning fluid;

[0059] The injection pump 720 is used to inject cleaning fluid from the storage tank 710 into the nozzle 211 to clean the clamp 11.

[0060] Furthermore, the cleaning device for the printed circuit board special fixture also includes a waste liquid collection assembly, which includes:

[0061] Waste liquid tank (not shown) is used to connect to the overflow port of cleaning tank 100 and to collect the cleaning liquid flowing out of the overflow port of cleaning tank 100. When cleaning liquid is injected into cleaning tank 100, the concentration of cleaning liquid in cleaning tank 100 is reduced.

[0062] In this embodiment, the bottom 130 of the cleaning tank 100 is inclined to drain all the cleaning liquid, avoiding the accumulation of liquid in the cleaning tank 100 and promoting the cleanliness and hygiene of the cleaning tank 100.

[0063] like Figure 1 As shown, this utility model also provides an ink coating device, including the cleaning device for the special fixture for printed circuit boards described above, and further including a sprocket drive mechanism 20, a plurality of chain clamp assemblies arranged sequentially at intervals on the sprocket drive mechanism 20, and a power component (not shown) for driving the sprocket drive mechanism 20 to rotate. The chain clamp assembly includes a clamping rod 30 and a plurality of clamps 10 spaced apart on the clamping rod. The power component drives the sprocket drive mechanism 20 to rotate and move, and the sprocket drive mechanism 20 moves in parallel with the clamps 10 on the clamping rod 30 so that the cleaning device can clean the clamping openings 11 of the clamps 10.

[0064] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A cleaning device for a printed circuit board dedicated jig, characterized by, The application relates to a cleaning device for a special fixture for a printed circuit board, which comprises: a cleaning tank arranged in the moving range of the fixture and provided with multiple channels for parallel movement of multiple fixtures; multiple cleaning assemblies arranged in the cleaning tank, each of the cleaning assemblies being configured to spray cleaning liquid to the clamping opening of the fixture moving in the corresponding channel.

2. The cleaning apparatus for a printed circuit board dedicated jig according to claim 1, characterized by, The cleaning assembly comprises two rows of spaced and staggered nozzle groups, the channels are arranged between the two rows of nozzle groups, each of the nozzle groups comprises multiple nozzles arranged in sequence and at intervals, and the nozzles are arranged towards the clamping opening of the fixture in the channel.

3. The cleaning apparatus for a printed circuit board dedicated jig according to Claim 1, wherein The cleaning device comprises an air suction assembly, which comprises: an air suction pipeline provided with multiple air suction ports arranged on the moving path of the fixture; a fan for generating negative pressure in the air suction pipeline to suck the cleaning liquid remaining on the cleaned fixture.

4. The cleaning apparatus for a printed circuit board dedicated jig according to claim 3, characterized by The cleaning device comprises a heating assembly, which comprises: a heating coil provided with multiple heating ports formed around the coil, the multiple heating ports are arranged on the moving path of the fixture, a high-frequency heating machine for applying high-frequency current to the heating coil to heat the metal fixture moving in the heating port.

5. The cleaning apparatus for a printed circuit board dedicated jig according to claim 4, characterized by The cleaning device comprises multiple brushes arranged on the moving path of the fixture, the brushes are arranged between the air suction ports and the heating ports, and are used for cleaning the clamping opening of the fixture.

6. The cleaning apparatus for a printed circuit board dedicated jig according to claim 5, wherein The cleaning device further comprises: a cooling assembly configured to remove the heat of the high-frequency heating machine through water circulation.

7. The cleaning apparatus for a printed circuit board dedicated jig according to claim 2, wherein The cleaning device comprises a liquid supply assembly, which comprises: a liquid storage tank for storing cleaning liquid, a liquid injection pump for injecting the cleaning liquid in the liquid storage tank into the nozzles.

8. The cleaning apparatus for a printed circuit board dedicated jig according to Claim 1, wherein Multiple cover plates are arranged on the top of the cleaning tank and located on both sides of the channels, the cover plates are configured to guide the cleaning liquid sprayed by the cleaning assembly onto the cover plates into the cleaning tank.

9. The cleaning apparatus for a printed circuit board dedicated jig according to Claim 1, wherein The cleaning device comprises a waste liquid collection assembly, which comprises: a waste liquid tank for communication with the overflow port of the cleaning tank to collect the cleaning liquid flowing out of the overflow port of the cleaning tank.

10. An ink coating apparatus characterized by comprising: The cleaning device for the special fixture for the printed circuit board comprises a chain wheel transmission mechanism, multiple chain clamp assemblies arranged in sequence on the chain wheel transmission mechanism and a power component for driving the chain wheel transmission mechanism to rotate, wherein the chain clamp assembly comprises a clamping rod and multiple fixtures arranged at intervals on the clamping rod, the power component drives the chain wheel transmission mechanism to rotate and move, and the chain wheel transmission mechanism drives the fixtures on the clamping rod to move in parallel.

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