CN109518262B - Electroplating automatic line exhaust system - Google Patents
Electroplating automatic line exhaust system Download PDFInfo
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- CN109518262B CN109518262B CN201910074924.9A CN201910074924A CN109518262B CN 109518262 B CN109518262 B CN 109518262B CN 201910074924 A CN201910074924 A CN 201910074924A CN 109518262 B CN109518262 B CN 109518262B
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- 238000009713 electroplating Methods 0.000 title claims abstract description 36
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000001939 inductive effect Effects 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 239000002912 waste gas Substances 0.000 abstract description 20
- 230000000694 effects Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000003014 reinforcing effect Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- 230000008093 supporting effect Effects 0.000 description 6
- 230000007306 turnover Effects 0.000 description 6
- 238000005034 decoration Methods 0.000 description 5
- 230000001976 improved effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005192 partition Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/04—Removal of gases or vapours ; Gas or pressure control
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ventilation (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides an electroplating automatic line exhaust system which comprises a solution tank, wherein the solution tank is of a groove-shaped structure with an opening at the upper end, exhaust assemblies are symmetrically arranged on the left side and the right side of the upper end of the solution tank, the same end of each exhaust assembly is communicated with a single-tank air, each single-tank air channel is communicated with a main air channel through an electric air valve, a fan is arranged at one end of the main air channel, which is far away from the single-tank air channel, electric elements, the electric air valve, a frequency converter and a motor of the fan in the exhaust assembly are respectively connected to a controller of a control system in a signal mode, and the control system is associated with a lifting system. The exhaust system of the electroplating automatic line has high automation degree, can automatically control the running state of the fan according to the exhaust amount, saves power supply and can realize effective exhaust of waste gas.
Description
Technical Field
The invention belongs to the field of electroplating exhaust systems, and particularly relates to an electroplating automatic line exhaust system.
Background
The current partial exhaust is most common in the side exhaust of the tank, the exhaust hood and the exhaust outlet are arranged on the side of the solution tank needing to be exhausted, and the exhaust hood and the exhaust main pipe are connected by an air duct or a PVC hose. The air discharge rate of the tank depends on the exposed area of the solution in the air, so that the air discharge rate can be reduced by shielding the liquid level when possible. The volume of the discharged air is expressed as the surface area of the solution, the wind speed of the surface of the solution and the temperature coefficient K of the bath solution. The recommended value of the surface wind speed of the solution on the electroplating manual is 0.2-0.8m/s. The height of the air outlet of the side fan cover is related to the width of the groove, and the height of the air outlet is generally 18% of the width of the groove. Because the exhaust outlet is above the tank body, not only the polluted gas but also the surrounding air is exhausted, the environment is cleaned, and the exhaust air quantity is greatly increased.
Disclosure of Invention
In view of the above, the invention aims to provide an exhaust system of an electroplating automatic line, which has high automation degree, can reduce the exhaust emission, reduce the fan power, save energy and reduce emission.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
The utility model provides an electroplating transfer machine exhaust system, includes solution groove, exhaust subassembly, single groove wind channel, electronic blast gate, main wind channel, fan and control system, and solution groove is upper end open-ended groove structure, and the left and right sides symmetry of solution groove upper end is equipped with exhaust subassembly, and every exhaust subassembly all communicates with single groove wind with the one end, and every single groove wind channel all communicates with the main wind channel through electronic blast gate, and the one end that single groove wind channel was kept away from to the main wind channel is equipped with the fan, is equipped with the converter on the fan, electric component in the exhaust subassembly, electronic blast gate the converter the motor of fan signal connection to control system's controller respectively, control system is associated with lifting system, and lifting system is the mechanical structure that control electroplated piece oscilaltion.
Further, the controller of the control system is a PLC.
Further, the model of the electric air valve is APC-VLV1, the first end of the electric air valve is connected to the N pole, the second end of the electric air valve is connected to the TS pole through the normally open contact of the electric air valve relay CR1, and the third end of the electric air valve is connected to the normally closed contact of the electric air valve relay CR 1.
Further, one end of a speed relay CR2 coil of the fan is connected to the N pole, the other end of the speed relay CR2 coil of the fan is connected to the TS pole through a PLC module input point Q1.0, one end of a speed selection relay CR3 coil of the fan is connected to the N pole, and the other end of the speed selection relay CR3 coil of the fan is connected to the TS pole through a PLC module input point Q1.1.
Further, the specification of the frequency converter is NVF2G-2.2PS4, the motor of the fan is connected to U, V, W pins of the frequency converter respectively through three-phase wires, a normally open contact of a speed selection relay CR3 is connected between a pin X4 of the frequency converter and a pin GND in series, a normally open contact of a speed relay CR2 is connected between a pin SD and a pin STF in series, and a pin R, S, T of the frequency converter is connected to an R pole, an S pole and a T pole respectively through a linkage switch CB 1.
Further, the solution tanks can be arranged in a plurality of settings, each solution tank is matched with the structure, and all the single-tank air channels are communicated with the main air channel.
Further, a chimney is arranged at the top of the fan.
Further, the exhaust assembly comprises a fan housing and a door cover, the fan housing comprises a fan cavity and an air suction opening, the air suction opening is connected with the inside of the fan cavity and the inside of the solution tank, one end of the fan cavity is communicated with the single-tank air channel, the single-tank air channel is communicated with the main air channel, and the fan is arranged at one end of the main air channel, which is far away from the single-tank air channel; the door cover is arranged at one end, close to the solution tank, of the fan cover, and the height of the lower end face of the door cover is lower than that of the air suction opening.
Further, be equipped with first baffle and second baffle in the fan housing, the lower extreme at first baffle is established to the second baffle, and the side and the lower bottom surface of second baffle and fan housing form the wind chamber, and first baffle level sets up in the fan housing and with the inner wall fixed connection of fan housing, exhaust subassembly still includes drive assembly, and drive assembly establishes the up end at first baffle, and drive assembly includes driving motor, drive shaft, drive wheel and drive belt, and driving motor signal is connected to control system's controller, and driving motor passes through L shape support lock admittedly on first baffle, and driving motor's output shaft passes through shaft coupling and drive shaft connection, and the both ends of drive shaft are equipped with the support frame, and the support frame lock admittedly is on first baffle, and the drive shaft passes through bearing rotation with the support frame to be connected, and the drive wheel is established in the drive shaft, and the one end of drive belt is established on the drive wheel, and the other end and the up end fixed connection of turning over the board.
Further, the middle part of drive shaft is equipped with the fixed block, and one side of fixed block is equipped with the inductive piece, is equipped with inductive switch on the bottom plate, and inductive piece signal connection is to control system's controller, and inductive piece corresponds the setting with inductive switch.
Compared with the prior art, the electroplating automatic line exhaust system has the following advantages:
(1) The automatic electroplating line exhaust system is characterized in that a control system is associated with a crane lifting system, the crane lifting system is of a mechanical structure for controlling an electroplated part to lift up and down, after linkage, waste gas overflows and is matched with an exhaust assembly, so that the up and down lifting motion conditions of the electroplated part are ensured, meanwhile, the PLC can control the automatic opening and closing of the exhaust assembly in different states, so that the up and down lifting motion of the electroplated part can be realized in an opening state of the exhaust assembly, the upper end of a solution tank is covered by the exhaust assembly in a closing state, the waste gas leakage is avoided, the rapid collection of the waste gas is facilitated, when the process parameter requires the closing of a tank cover, the PLC controls an electric air valve and a fan to meet the requirements in a low energy consumption state, when the process parameter requires the opening of the tank cover, the PLC controls the electric air valve or the fan to ensure the exhaust air quantity according to the number of air inlets and the set maximum air quantity, the effect is good, in real-time production, most of the process time of the tank cover is in a closing state, the total amount of the fan is reduced, and the waste gas is effectively saved in a low-frequency state.
(2) According to the electroplating automatic line exhaust system, the frequency converter arranged on the fan is in signal connection with the PLC, the PLC can realize frequency adjustment according to the parameters arranged inside and the air suction quantity of the motor, on the premise of guaranteeing the air suction effect, energy conservation and environmental protection are realized, the PLC has strong universality and high automation degree, and the working intensity is greatly reduced.
(3) According to the exhaust system of the electroplating automatic line, after the induction switch and the induction sheet are arranged, the limit position of turning of the turning plate can be timely sensed, the induction sheet transmits signals to the PLC in real time, when the PLC receives the limit position of turning of the turning plate, the PLC controls the driving motor to timely stop rotating, structural change caused by excessive actions is avoided, the stop plate is in contact with the inner wall of the fan housing, and the turning plate is prevented from continuously turning downwards in a horizontal state.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic block diagram of an exhaust system of an electroplating automatic line according to an embodiment of the invention;
FIG. 2 is an electrical control diagram of an exhaust system of an electroplating automatic line according to an embodiment of the invention;
FIG. 3 is a side view of an exhaust mechanism of the electroplating automatic line of the present invention;
FIG. 4 is a front cross-sectional view of the exhaust mechanism of the electroplating automatic line of the present invention;
FIG. 5 is a schematic diagram showing the layout of the exhaust mechanism of the electroplating automatic line applied to a production line;
FIG. 6 is a schematic view of the structure of the exhaust mechanism of the electroplating automatic line of the invention;
FIG. 7 is a detail view of section C of FIG. 6 in accordance with the present invention;
FIG. 8 is a detail view of section B of FIG. 6 in accordance with the present invention;
FIG. 9 is a front view of the exhaust mechanism of the electroplating automatic line of the present invention;
FIG. 10 is a D-D cross-sectional view of FIG. 9 according to the present invention;
FIG. 11 is a detail view of section A of FIG. 10 in accordance with the present invention;
FIG. 12 is a schematic view of the drive assembly of the present invention;
FIG. 13 is a detail view of section E of FIG. 12 in accordance with the present invention;
FIG. 14 is a front cross-sectional view of the inventive fan housing;
FIG. 15 is a schematic view of the structure of the fan housing of the present invention;
FIG. 16 is a detail F of FIG. 14 in accordance with the invention;
FIG. 17 is an axial cross-sectional view of the drive shaft of the present invention;
FIG. 18 is a schematic view of the structure of the exhaust assembly of the present invention;
Fig. 19 is a top view of the flap of the present invention;
Fig. 20 is a side view of the flap of the present invention.
Reference numerals illustrate:
1-a solution tank; 11-inclined ribs; 111-limit bumps; 12-a second reinforcing rib; 13-third reinforcing ribs; 2-an exhaust assembly; 21-a drive assembly; 211-a drive motor; 212-a drive shaft; 213-drive wheels; 2131-a first end plate; 2132-a second end plate; 2133-a first anchor; 2134-a second anchor; 2135-a third anchor; 2136-a first fixation slot; 2137-a second fixation slot; 214-driving the belt; 215-fixing blocks; 2151-guide posts; 2151-a sensor blade; 2153-stop plate; 216-a first idler; 217-a second idler; 22-a fan housing; 221-wind chamber; 222-an air suction port; 223-a first separator; 2231-a bottom plate; 2232-guide slots; 2233-inductive switch; 224-a second separator; 225-a first reinforcing rib; 2251-a card slot; 226-limit protrusions; 23-door cover; 231-clamping plate; 232-a clearance hole; 233-decorative holes; 235-horizontal segment; 24-turning plate; 241-outer trough cover; 242-an inner trough cover; 243-angle limiting plates; 245-a movable rotating shaft; 246-fixed shaft; 247-a protective plate; 3-a single-groove air duct; 4-an electric air valve; 5-a main air duct; 6-a fan; 7-chimney; 8-plating piece.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
Noun interpretation:
n: a zero line;
TS: a communication power line;
DC1-: a DC line negative electrode;
dc1+: a direct current line positive electrode;
r: a three-phase power line;
s: a three-phase power line;
T: a three-phase power line.
An electroplating automatic line exhaust system is shown in fig. 1-20, and comprises a solution tank 1, exhaust assemblies 2, a single-tank air channel 3, an electric air valve 4, a main air channel 5, a fan 6 and a control system, wherein each exhaust assembly 2 corresponds to one single-tank air channel 3, the solution tank 1 is of a groove-shaped structure with an upper end, the exhaust assemblies 2 are symmetrically arranged on the left side and the right side of the upper end of the solution tank 1, the exhaust assemblies 2 which are symmetrically arranged on two sides are simultaneously opened, a plating piece 8 to be electroplated enters from the middle, the same end of each exhaust assembly 2 is communicated with the single-tank air channel 3, one end of the main air channel 5, which is far away from the single-tank air channel 3, is provided with the fan 6, a frequency converter is arranged on the fan 6, electric elements in the exhaust assemblies 2, the electric air valve 4 and motors of the frequency converter 6 are respectively connected to a controller of the control system in a signal mode, the control system is associated with a lifting system, the lifting system is of a mechanical structure for controlling the plating piece to be electroplated, after linkage, the plating piece 8 enters from the middle, the same end is communicated with the single-tank air channel 3, the electric air channel 3 is communicated with the main air channel 4 through the electric air valve, the electric air valve 4, and the electric air channel is separated from the single-tank 1 through the electric air channel, the electric air valve and the electric air valve.
The controller of the control system is a PLC.
A chimney 7 is arranged at the top of the fan 6.
The exhaust assembly 2 comprises a fan housing 22 and a door cover 23, the fan housing 22 comprises a fan cavity 221 and an air suction inlet 222, the air suction inlet 222 is communicated with the inside of the fan cavity 221 and the solution tank 1, one end of the fan cavity 221 is communicated with the single-tank air duct 3, the single-tank air duct 3 is communicated with a main air duct 5, and the fan 6 is arranged at one end of the main air duct 5 away from the single-tank air duct 3; the door cover 23 is arranged at one end of the fan cover 22 close to the solution tank 1, and the height of the lower end surface of the door cover 23 is lower than that of the air suction inlet 222.
Preferably, the solution tanks 1 can be arranged in a plurality of settings, each solution tank 1 is provided with the above structure in a matching way, and all the single-tank air channels 3 are communicated with the main air channel 5;
The first end of the electric air valve 4 is cut off from the N pole, the second end of the electric air valve 4 is connected to the TS pole through a normally open contact of the relay CR1 of the electric air valve 4, and the third end of the electric air valve 4 is connected to a normally closed contact of the relay CR1 of the electric air valve 4, and the model of the electric air valve 4 is APC-VLV1; one end of a coil of a speed relay CR2 of the fan 6 is connected to the N pole, the other end of the coil of the speed relay CR2 of the fan 6 is connected to the TS pole through a PLC module input point Q1.0, and one end of a coil of a speed selection relay CR3 of the fan 6 is connected to the N pole, and the other end of the coil of the speed relay CR3 of the fan is connected to the TS pole through a PLC module input point Q1.1; the specification of the frequency converter is NVF2G-2.2PS4, a fan 6 motor is respectively connected to U, V, W pins of the frequency converter through three wires, a normally open contact of the speed selection relay CR3 is connected in series between a pin X4 and a pin GND of the frequency converter, a normally open contact of the speed relay CR2 is connected in series between a pin SD and a pin STF, and a pin R, S, T of the frequency converter is respectively connected to an R pole, an S pole and a T pole through a linkage switch CB 1.
The exhaust assembly 2 comprises a fan housing 22, a door housing 23 and a turning plate 24, wherein the fan housing 22 is fixedly arranged on the upper end face of the solution tank 1, a fan cavity 221 communicated with the single-tank air channel 3 is arranged in the fan housing 22, the fan housing 22 is provided with air suction inlets 222 connected with the fan cavity 221 and the inside of the solution tank 1, the number of the air suction inlets 222 is multiple, the cross section area of the fan cavity 221 from one end far away from the single-tank air channel 3 to one end close to the single-tank air channel 3 is gradually increased, the door housing 23 is fixedly arranged on one side of the fan housing 22 close to the solution tank 1, the upper end of the door housing 23 is higher than the air suction inlets 222, the lower end of the door housing 23 is lower than the lower end of the fan housing 22, the lower end of the door housing 23 extends into the inside of the solution tank 1 and is higher than the height of electroplating solution in the solution tank 1, after the door housing 23 is arranged, the air suction inlets 222 are induced by the lower part of the turning plate 24, unlike the traditional structure, the air suction inlets 222 are directly arranged at the upper end of the turning plate 24, the air suction is carried out through the lower part of the turning plate 24, the air generated by electroplating liquid in the tank cover can be absorbed timely, the absorbed air is less, the air sucked into the outside of the turning plate 24 is reduced to the greatest extent in the closed state of the turning plate 24, so that the fan 6 can absorb the waste air timely in a smaller power state, the leakage of the waste air is effectively prevented, the fan 6 has small power, energy conservation and environmental protection, the air suction inlet 222 is directly arranged above the turning plate 24 in the traditional structure, the fan 6 absorbs the waste air and the outside air together after the waste air leaks, the fan 6 is in a high power state for a long time, but the proportion of the waste air in all the air is still preferential, the absorption amount of the waste air is incomplete, the air leaks into the atmosphere, the environmental pollution is caused, the turning plate 24 is hinged at the lower end of the door cover 23 and is far away from one side of the fan cover 22, the upper end of the fan cover 22 is provided with the driving component 21, the driving assembly 21 drives the turning plate 24 to rotate relative to the door cover 23, more preferably, the turning plate 24 is arranged above the solution in the solution tank 1 and is arranged before 20-100 mm, preferably 50mm, so that the full flow of gas is ensured, fluctuation of electroplating liquid caused by too low is avoided, the power of the fan 6 is improved too high, the exhaust wind pressure loss is reduced, and the volatilization of waste gas is prevented.
A first separator 223 and a second separator 224 are arranged in the fan housing 22, the second separator 224 is arranged at the lower end of the first separator 223, the second separator 224 and the side surface and the lower bottom surface of the fan housing 22 form a fan cavity 221, the first separator 223 is horizontally arranged in the fan housing 22 and fixedly connected with the inner wall of the fan housing 22, a driving component 21 is arranged at the upper end surface of the first separator 223, the driving component 21 comprises a driving motor 211, a driving shaft 212, a driving wheel 213 and a driving belt 214, the driving motor 211 is connected to a controller PLC through signals, the driving motor 211 is fixedly locked on the first separator 223 through an L-shaped bracket, the output shaft of the driving motor 211 is connected with the driving shaft 212 through a coupler, the two ends of the driving shaft 212 are provided with supporting frames, the supporting frames are fixedly locked on the first partition 223, the driving shaft 212 is rotationally connected with the supporting frames through bearings, the driving wheel 213 is fixedly arranged on the driving shaft 212, one end of the driving belt 214 is fixedly arranged on the driving wheel 213, and the other end is fixedly connected with the upper end face of the turning plate 24; preferably, the driving belt 214 is a flexible belt, the driving wheels 213 are matched with the driving belt 214, the number of the driving wheels 213 is two, the driving wheels 213 are distributed on the driving shaft 212 in a dispersed manner, and the driving belt 214 is also distributed in a dispersed manner relative to the longitudinal direction of the turning plate 24; more preferably, the driving wheel 213 has an i-shaped cylindrical structure, which prevents the driving belt 214 from being moved out from both ends during movement, improves stability of the structure, the other end of the driving belt 214 is fastened to the flap 24 by screws, the driving wheel 213 is coaxially disposed with the driving shaft 212, the driving wheel 213 includes a first end plate 2131 and a second end plate 2132, a first fixing body 2133, a second fixing body 2134 and a third fixing body 2135 are disposed between the first end plate 2131 and the second end plate 2132, the first fixing body 2133, the second fixing body 2134 and the third fixing body 2135 are a part of the same cylinder, a first fixing slit 2136 is formed between the second fixing body 2134 and the second fixing body 2134, a second fixing slit 2137 is formed between the second fixing body 2134 and the third fixing body 2135, the first fixing slit 2136 and the second fixing slit 2137 are arranged in parallel, and the driving belt 214 is fixed at one end by winding the driving belt 214 between the first fixing slit 2136 and the second fixing slit 2137; more preferably, the middle part of the driving shaft 212 is provided with a fixed block 215, the lower end of the fixed block 215 is provided with a vertical downward guide post 2151, the first separator 223 is provided with a bottom plate 2231, the bottom plate 2231 is provided with a guide groove 2232, the center line of the guide groove 2232 is parallel to the center line of the driving shaft 212, the guide post 2151 is arranged in the guide groove 2232 and is in sliding connection with the guide groove 2232, after the guide groove 2232 and the guide post 2151 are arranged, the position of the driving shaft 212 in the axial direction is conveniently adjusted during assembly, the moving precision in the assembly process is ensured, and the assembly precision and the assembly efficiency are improved; more preferably, one side of the fixed block 215 is provided with an inductive piece 2152, the bottom plate 2231 is provided with an inductive switch 2233, the inductive piece 2152 is connected to the PLC through signals, the inductive piece 2152 is correspondingly arranged with the inductive switch 2233, the inductive switch 2233 is triggered at the turning upper limit position of the turning plate 24, after the inductive switch 2233 and the inductive piece 2152 are arranged, the turning limit position of the turning plate 24 can be timely sensed, the inductive piece 2152 transmits signals to the PLC in real time, and when the PLC receives the turning limit position of the turning plate 24, the PLC controls the driving motor 211 to timely stop rotating, so that structural changes caused by excessive actions are avoided; more preferably, a stop plate 2153 is disposed on a side of the fixed block 215 away from the sensing piece 2152, and the stop plate 2153 contacts the inner wall of the fan housing 22 when the flap 24 is in a horizontal state, so as to prevent the flap 24 from continuing to turn downward when it is in a horizontal state.
More preferably, gaps are reserved between the symmetrically arranged turning plates 24, and the requirement of up-and-down lifting of the small plating piece 8 is met under the condition that the effective collection of waste gas is ensured.
More preferably, one end of the driving belt 214 far away from the driving wheel 213 is guided by a first idler pulley 216 and a second idler pulley 217 in turn and then fixedly connected with the turnover plate, the first idler pulley 216 is fixed on the inner wall of the fan housing 22 and is rotationally connected with the first idler pulley, the second idler pulley 217 is fixed on the door housing 23, the second idler pulley 217 is arranged between the door housing 23 and the fan housing 22, the first idler pulley 216 and the second idler pulley 217 are arranged in parallel, a position corresponding to the driving belt 214 on the door housing 23 is provided with a position avoiding hole 232, the driving belt 214 is guided from the lower end of the first idler pulley 216 and then guided by the upper end of the second idler pulley 217, and is fixed with the turnover plate 24 after passing through the position avoiding hole 232, and after passing through the first idler pulley 216 and the second idler pulley 217, a certain supporting and guiding effect is provided for the middle position of the driving belt 214, so that the action of the driving belt 214 is more stable and reliable.
More preferably, the heights of the driving motor 211, the driving wheel 213, the driving shaft 212, the bracket and the uppermost end of the supporting frame are lower than the uppermost end of the wind housing 22, so that the whole structure is more beautiful.
Preferably, the plurality of air suction openings 222 are arranged in a straight line, the air suction openings 222 are arranged on the side face of the air duct, the air suction openings 222 are of a slotted hole structure, the processing is convenient, the appearance is more attractive, one side, close to the door cover 23, of the air cover 22 is provided with a plurality of first reinforcing ribs 225 which are arranged vertically, the air suction openings 222 are arranged between two adjacent first reinforcing ribs 225, the length of each air suction opening 222 is close to the vertical distance between the two adjacent first reinforcing ribs 225, the maximum air inlet quantity is ensured, and the strength of the air cover 22 is improved due to the arrangement of the first reinforcing ribs 225; more preferably, a concave clamping groove 2251 is arranged at one side, close to the fan cover 22, of the upper end of the first reinforcing rib 225, a clamping plate 231 which is bent downwards is arranged at the upper end of the door cover 23, the clamping plate 231 is arranged in the clamping groove 2251, and the clamping plate 231 and the clamping plate are matched to realize the positioning of the door cover 23; more preferably, the lower extreme of door cover 23 is equipped with spacing protruding 226, spacing protruding 226 is established in the inside of solution tank 1, spacing protruding 226's lower terminal surface and the lower terminal surface parallel and level setting of first strengthening rib 225, spacing protruding 226's setting has limited the transverse position of fan housing 22, the outside of solution tank 1 is equipped with oblique muscle 11 simultaneously, the upper end of oblique muscle 11 is equipped with spacing lug 111, spacing lug 111's side and fan housing 22's outside contact setting, the outside of fan housing 22 is spacing by spacing lug 111, the inboard is spacing by spacing protruding 226 and solution tank 1, whole structure can realize quick installation under the prerequisite of not locking, moreover, the location is accurate, stability is high, be favorable to promoting packaging efficiency, and can also use in the equipment of quick replacement to the same model, the commonality is high, under the prerequisite of a plurality of solution tanks 1 different simultaneous working, can reserve a small amount of exhaust components 2, reduce inventory cost, promote the utilization ratio of product.
Preferably, the upper end of the inner side of the door cover 23 is provided with a third partition plate, the third partition plate extends from one side close to the solution tank 1 to the upper end and is connected with the middle part of the upper end of the door cover 23, one side of the door cover 23 close to the solution tank 1 is provided with a decoration hole 233, the decoration hole 233 is a plurality of strip holes which are arranged in a straight line, the decoration hole 233 is arranged above the lowest end of the third partition plate, the effect of beautifying the appearance is achieved, the arranged third partition plate improves the strength of the door cover 23, meanwhile, the tightness between the door cover 23 and the fan cover 22 is ensured, gas is prevented from leaking from the decoration hole 233 or the gas outside is prevented from being sucked through the decoration hole 233, and the power of the fan 6 is wasted.
Preferably, the turning plate 24 is hinged on the door cover 23 through a 90-degree hinge structure, the hinge structure is simple, the cost is low, the connection is convenient, the lower end of the door cover 23 is provided with a horizontal section 235 extending horizontally towards the direction of the solution tank 1, the horizontal section 235 has the functions of limiting and supporting the horizontal position of the turning plate 24, the strength of the door cover 23 is enhanced, and the guide effect on polluted gas is achieved under the condition that the turning plate 24 is completely opened.
Preferably, the turning plate 24 comprises an outer slot cover 241 and an inner slot cover 242, one longitudinal side of the outer slot cover 241 is hinged on the door cover 23 through a hinge structure, the other longitudinal side of the outer slot cover 241 is hinged with the inner slot cover 242 through a movable rotating shaft 245, the driving belt 214 is fixedly connected with the upper end of the inner slot cover 242, two ends, close to the door cover 23, of the outer slot cover 241 are symmetrically provided with fixed rotating shafts 246, the door cover 23 is provided with protruding blocks corresponding to the fixed rotating shafts 246, and the fixed rotating shafts 246 are rotatably connected with the protruding blocks; more preferably, the upper end of the outer slot cover 241 is fixedly provided with an angle limiting plate 243, the front end of the angle limiting plate 243 is semicircular, the upper end of the angle limiting plate 243 is arranged in parallel with the outer slot cover 241, the upper end of the angle limiting plate 243 extends to one end of the inner slot cover 242 and is arranged beyond the movable rotating shaft 245, the setting of the angle limiting plate 243 can limit the rotating angle of the inner slot cover 242, the maximum rotating angle of the inner slot cover 242 is ensured to be 90 degrees, the rotating angle of the inner slot cover 242 is more than 90 degrees, the range exceeding 90 degrees belongs to idle work, because even if the rotating angle of the inner slot cover 242 is more than 90 degrees, the width allowing the plated piece 8 to pass up and down is limited by the rotating angle of the outer slot cover 241 in the opened state, the angle of the inner slot cover 242 is more than 90 degrees belongs to ineffective rotating angle, the setting of the angle limiting plate 243 can ensure the effective power of the driving motor 211, the energy waste is avoided, when the lifting operation of the parts is carried out, the inner groove cover 242 is preferentially opened to drive the outer groove cover 241 to be opened, but the outer groove cover 241 avoids protruding the solution groove 1 as much as possible, namely, the upper end of the outer groove cover 241 is lower than the upper end surface of the solution groove 1 in the vertical state of the inner groove cover 242, the coverage rate of the outer groove cover 241 to the solution groove 1 is ensured as much as possible, good air suction effect can be ensured, an air suction channel is formed between the two inner groove covers 242, the waste gas driven by the lifting operation of the parts is immediately sucked into the air suction opening 222 above the liquid level and is guided into the air cavity 221 for transmitting the waste gas, then enters the single groove air channel 3 and finally enters the main air channel 5, the timely collection of the waste gas is completed, the leakage is effectively avoided, the inner groove cover 242 drives the outer groove cover 241 to be opened to a proper position or be fully opened when the parts in the solution groove 1 are vertically downwards operated, the air pressure driven by the falling parts can prevent the waste gas from escaping, the leakage is avoided, the action of the whole structure realizes the timely collection of waste gas, the leakage is avoided to pollute the environment, the current working situation of the electroplating production line is greatly improved, and the safety and the environmental protection are improved.
More preferably, the installation position and shape of the angle limiting plate 243 can be adjusted, so that the inner trough cover 242 can be controlled to be in a vertical position when the parts are lifted, the maximum passing space of the plating part 8 is ensured, the minimum opening of the inner trough cover 242 is ensured, and the air leakage area is reduced as much as possible; more preferably, both sides of the inner and outer groove covers 242 and 241 are provided with a protection plate 247 made of plastic material to prevent the inner and outer groove covers 242 and 241 from being corroded, thereby improving the service life of the parts.
Example 1: the comparison of the parameters of this structure with those of the conventional exhaust fan 6 was carried out, and experimental conditions were set as follows.
1. Surface area of the exhaust test groove: 1.5 x 0.8m
2. Tank side hoods 22: traditional slit type fan housing 22 and exhaust fan 6 mechanism with structure
3. And (3) a fan 6: the air discharge rate is 2456m3/h, and the air pressure is 1100Pa
4. Chimney 7 outlet: the diameter was 315mm.
5. Test bath solution: 75-85 DEG hot water
The following table is a comparison table of the suction parameters of the conventional slit fan housing 22 and the exhaust fan 6 of the present structure.
It can be seen from the above table that, in the conventional fan housing 22, the fan 6 is in the high-speed running state of 50HZ for a long time, the liquid level of the solution tank 1 still has much steam and waste gas to overflow, so that the working environment is wet, there is a potential safety hazard, and the fan 6 consumes much energy, so that the structure is not environment-friendly, after the structure is adopted, the exhaust wind speed of the chimney 7 is reduced, the steam and waste gas on the surface of the solution tank 1 are sucked from the air suction inlet 222 without leakage in the state of not adding the turning plate 24, the frequency of the fan 6 is reduced to 25HZ and 10HZ in time, still without leakage, and after the turning plate 24 is added, the frequency of the fan 6 is reduced to 8HZ, the upper surface of the solution tank 1 still has no steam or waste gas leakage, so that the structure can realize zero leakage of waste gas only by running the fan 6 at a lower frequency, and the structure is more energy-saving and environment-friendly, and the waste gas collecting effect is obvious.
Example 2: the driving component 21 can be a driving cylinder and a connecting rod structure, and can directly drive the turning plate 24 to move through the driving cylinder under the premise of space permission, so that the turning plate 24 can rotate, and further the opening and closing actions of the turning plate 24 can be realized, and if the space is limited, the driving cylinder can realize the actions of the turning plate 24 through the connecting structure.
Example 3: the driving component 21 can be of a gear-rack structure, a gear is coaxially arranged on the turnover shaft of the turnover plate 24, a rack is arranged in meshed engagement with the gear, and the rack moves up and down under the action of an air cylinder or a motor screw to drive the gear to rotate, so that the turnover plate 24 is rotated.
In the embodiment 4, the angle limiting plate can be of a four-bar structure, and the turning plate 24 can always keep the inner groove cover perpendicular to the liquid level of the solution all the time under the condition that the double groove cover is opened, so that the effect of preventing the polluted gas from overflowing is better achieved.
In the actual working process, as shown in fig. 1-5, the arrow direction is a schematic diagram of the flowing direction of the gas, the exhaust component 2 is arranged at two sides of the upper end of the solution tank 1 of the automatic production line, the driving component 21 is arranged in the fan housing 22, the driving motor 211 drives the driving wheel 213 to rotate through the driving shaft 212, the driving shaft 212 drives the turning plate 24 to turn over through the driving belt 214, the control system is associated with the travelling crane lifting system, the travelling crane lifting system is a mechanical structure for controlling the up-and-down lifting of the electroplating piece 8, after linkage, the exhaust gas overflows and is matched with the exhaust component 2, the air suction effect of different states is ensured, the conditions of the up-and-down lifting movement of the electroplating piece 8 are set in the PLC system, meanwhile, the PLC can control the automatic opening and closing of the exhaust component 2 under different states, so that the up-and-down lifting movement of the electroplating piece 8 can be realized under the opening state of the exhaust component 2, and under the closing state, when the discharge assembly 2 is closed, the PLC controls the fan 6 to work, so that the waste gas enters the air cavity 221 through the air suction port 222, then enters the single-tank air duct 3 and finally enters the main air duct 5 to be finally discharged through the chimney 7, when the process parameter requires the tank cover to be closed, the PLC controls the electric air valve 4 and the fan 6 to be in a low-energy consumption state, when the process parameter requires the tank cover to be opened, the PLC controls the electric air valve 4 or the fan 6 to ensure the air discharge quantity according to the quantity of the air suction port 222 and the set maximum air quantity, effectively avoids the waste gas leakage, has good effect, and in practical production, the total demand on the fan 6 is reduced because the tank cover is in a closed state for most of the process time, the fan 6 is in a low-frequency state, the power supply is saved, and the effective discharge of waste gas can be realized.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. Electroplating transfer machine exhaust system, its characterized in that: the device comprises a solution tank, an exhaust assembly, a single-tank air channel, an electric air valve, a main air channel, a fan and a control system, wherein the solution tank is of a groove-shaped structure with an opening at the upper end, the exhaust assemblies are symmetrically arranged at the left side and the right side of the upper end of the solution tank, the same end of each exhaust assembly is communicated with the single-tank air, each single-tank air channel is communicated with the main air channel through the electric air valve, the fan is arranged at one end, far away from the single-tank air channel, of the main air channel, a frequency converter is arranged on the fan, electric elements in the exhaust assemblies, the electric air valve, the frequency converter and a motor of the fan are respectively connected to a controller of the control system in a signal manner, the control system is associated with a lifting system, and the lifting system is a mechanical structure for controlling an electroplated part to lift up and down;
the air exhaust assembly comprises an air cover and a door cover, the air cover comprises an air cavity and an air suction opening, the air suction opening is connected with the inside of the air cavity and the inside of the solution tank, one end of the air cavity is communicated with the single-tank air duct, the single-tank air duct is communicated with the main air duct, and the fan is arranged at one end, far away from the single-tank air duct, of the main air duct; the door cover is arranged at one end, close to the solution tank, of the fan cover, and the height of the lower end face of the door cover is lower than that of the air suction opening;
The controller of the control system is a PLC.
2. The electroplating robot exhaust system of claim 1, wherein: the model of the electric air valve is APC-VLV1, the first end of the electric air valve is connected to the N pole, the second end of the electric air valve is connected to the TS pole through a normally open contact of the electric air valve relay CR1, and the third end of the electric air valve is connected to a normally closed contact of the electric air valve relay CR 1.
3. The electroplating robot exhaust system of claim 2, wherein: one end of a speed relay CR2 coil of the fan is connected to the N pole, the other end of the speed relay CR2 coil of the fan is connected to the TS pole through a PLC module input point Q1.0, one end of a speed selection relay CR3 coil of the fan is connected to the N pole, and the other end of the speed selection relay CR3 coil of the fan is connected to the TS pole through a PLC module input point Q1.1.
4. The electroplating robot exhaust system of claim 3, wherein: the specification of the frequency converter is NVF2G-2.2PS4, a motor of the fan is respectively connected to U, V, W pins of the frequency converter through three-phase wires, a normally open contact of a speed selection relay CR3 is connected between a pin X4 of the frequency converter and a pin GND in series, a normally open contact of a speed relay CR2 is connected between a pin SD and a pin STF in series, and a pin R, S, T of the frequency converter is respectively connected to an R pole, an S pole and a T pole through a linkage switch CB 1.
5. The electroplating robot exhaust system of claim 1, wherein: the solution tanks can be arranged into a plurality of settings, each solution tank is matched with the structure, and all the single-tank air channels are communicated with the main air channel through the electric air valve.
6. The electroplating robot exhaust system of claim 1, wherein: and a chimney is arranged at the top of the fan.
7. The electroplating robot exhaust system of claim 1, wherein: be equipped with first baffle and second baffle in the fan housing, the lower extreme at first baffle is established to the second baffle, the side and the lower bottom surface of second baffle and fan housing form the wind chamber, first baffle level sets up in the fan housing and with the inner wall fixed connection of fan housing, exhaust subassembly still includes drive assembly, drive assembly establishes the up end at first baffle, drive assembly includes driving motor, the drive shaft, drive wheel and drive belt, driving motor signal is connected to control system's controller, driving motor passes through L shape support lock on first baffle admittedly, driving motor's output shaft passes through the shaft coupling and is connected with the drive shaft, the both ends of drive shaft are equipped with the support frame, the support frame lock admittedly is on first baffle, the drive shaft passes through bearing rotation with the support frame and is connected, the drive wheel sets firmly in the drive shaft, the one end of drive belt sets firmly on the drive wheel, the other end and the up end fixed connection of turning over the board.
8. The electroplating robot exhaust system of claim 7, wherein: the middle part of drive shaft is equipped with the fixed block, and one side of fixed block is equipped with the inductive piece, is equipped with inductive switch on the bottom plate, and inductive piece signal connection is to control system's controller, and inductive piece corresponds the setting with inductive switch.
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| CN111733437A (en) * | 2020-07-01 | 2020-10-02 | 福建旭辰信息科技有限公司 | Closed air exhaust environment-friendly industrial component electrochemical treatment system |
| CN114369853B (en) * | 2022-01-26 | 2022-09-09 | 益阳市明正宏电子有限公司 | Surface treatment device for high-frequency high-speed PCB |
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| CN209759633U (en) * | 2019-01-25 | 2019-12-10 | 万向新元绿柱石（天津）科技有限公司 | electroplating automatic line exhaust system |
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| CN201390796Y (en) * | 2009-02-27 | 2010-01-27 | 育成环保自动化设备(苏州)有限公司 | Gas-collecting structure of plating bath |
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