CN111206276A

CN111206276A - Horizontal environment-friendly chromium plating electroplating machine

Info

Publication number: CN111206276A
Application number: CN202010069843.2A
Authority: CN
Inventors: 张智棋; 卢文敏
Original assignee: Dongguan Jinchangchen Electroplating Co Ltd
Current assignee: Zhang Zhiqi
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-05-29

Abstract

The invention discloses a horizontal environment-friendly chromium plating electroplating machine, which relates to the field of electroplating and comprises a horizontal rack, wherein a plating tank is arranged in the rack, a bus bar is axially arranged in the plating tank, a plurality of anodes are fixedly arranged on the bus bar, a workpiece is arranged in the plating tank, the workpiece is connected with an electroplating power supply, a copper bar moving mechanism is arranged on one side of the plating tank, a hanging fence is arranged in the plating tank, the copper bar moving mechanism is connected with the hanging fence, the hanging fence is in sliding connection with the plating tank, a sealing sliding cover is arranged on the rack, and a waste gas chamber is. Through control anode removal, make the positive pole with plate and keep suitable effective distance such as piece, provide changeable electric area, rational in infrastructure, the energy consumption is low, rotatory clamping device is removable, the piece of plating of different diameter lengths of adaptation cooperates reasonable sealed mode to and the exhaust chamber structure, realize visible, controllable, recoverable environmental protection requirement, the practicality is good.

Description

Horizontal environment-friendly chromium plating electroplating machine

Technical Field

The invention relates to the technical field of electroplating, in particular to a horizontal environment-friendly chromium plating electroplating machine.

Background

Generally, a metal coating is attached to the surface of a metal workpiece or a workpiece made of other materials by electroplating, so as to prevent corrosion and prolong the service life of the workpiece. Chromium is a slightly blue silvery white metal, and the chromium coating has high hardness and excellent heat resistance and friction performance.

At present, the traditional mode of 'hard chromium electroplating' of a workpiece (an electroplating piece) is to dig a hole underground, an electroplating bath is made underground, and the electroplating piece is suspended in the electroplating bath below a ground horizontal line for electroplating, but the electroplating bath is easy to leak and cause underground pollution in the 'underground electroplating' mode, and the 'visible, controllable and recyclable' environmental protection requirement is difficult to achieve. Because of underground equipment, there are many hidden troubles, so the 'underground electroplating' is not suitable for the requirements of the 'environment-friendly' times.

The anode of the existing electroplating machine is fixed, the electroplating time is not easy to control, the power consumption is serious, the problems of uneven thickness of an electroplating coating, small power receiving area and the like exist, the existing electroplating machine can not be adapted to the electroplated parts with different length and size, and the existing electroplating machine adopts suspension type electroplating, can not treat waste gas and the like, and is not in accordance with the requirement of environmental protection.

Disclosure of Invention

Aiming at the defects of the prior art, the invention discloses a horizontal environment-friendly chromium plating electroplating machine, which is characterized in that the movement of an anode is controlled, so that the anode and a plated part and the like keep a proper effective distance, a variable power receiving area is provided, the structure is reasonable, the energy consumption is low, the horizontal environment-friendly chromium plating electroplating machine can be adapted to the plated parts with different diameters, a reasonable sealing mode and an exhaust gas chamber structure are matched, the environment-friendly requirements of visibility, controllability and recyclability are realized, and the practicability is good. The concrete technical characteristics are as follows:

a horizontal environment-friendly chromium plating electroplating machine comprises a rack, wherein a plating bath is arranged in the rack, a bus bar is axially arranged in the plating bath, a plurality of anodes are fixedly arranged on the bus bar, a workpiece is arranged in the plating bath, rotary clamping devices are arranged at two ends of the workpiece, the workpiece is connected with an electroplating power supply, a copper bar moving mechanism is arranged on the side surface of the plating bath, a hanging fence is arranged in the plating bath, the bus bar is fixedly connected with the hanging fence, the hanging fence penetrates through the side wall of the plating bath, the copper bar moving mechanism is connected with the hanging fence, and the hanging fence;

the copper bar moving mechanism comprises a power device, a screw rod is arranged on one side of the power device and is in transmission connection with the power device, a screw nut is arranged on the screw rod and is in threaded connection with the screw rod, a rocker arm is arranged on the screw nut, the end part of the rocker arm is connected with a connecting arm, a rotating fulcrum is arranged on the rocker arm, one end of the rotating fulcrum is fixedly connected with the side wall of the plating tank, the rocker arm is in rotating connection with the rotating fulcrum, and the connecting arm is connected;

a sealing sliding cover is arranged on the rack, sliding blocks are arranged at two ends of the bottom of the sealing sliding cover, a sliding rail matched with the sliding blocks is arranged on the rack, an opening is formed in the rack, the size of the sealing sliding cover is matched with that of the opening, and a sealing ring is arranged on the sealing sliding cover;

a waste gas chamber is arranged in the frame, the waste gas chamber is arranged on one side of the plating bath, the top of the waste gas chamber is communicated with the top of the plating bath, an air draft device is arranged in the waste gas chamber, an air outlet is formed in one side of the waste gas chamber, which is far away from the plating bath, and the air outlet is connected with a waste gas treatment device;

the rotary clamping device comprises a clamping piece, the clamping piece is connected with a workpiece, a rotary supporting shaft is fixedly arranged at one end, away from the workpiece, of the clamping piece, a rotary sealing structure is arranged between the rotary supporting shaft and the plating tank, rotary control mechanisms are arranged on the outer sides of two ends of the plating tank, and the rotary supporting shaft is connected with the rotary control mechanisms.

The anode is of a herringbone shape, the busbar comprises a front busbar and a rear busbar which are respectively arranged in front of and behind the plating tank, the busbar positions correspond to two sides of a workpiece, a copper bar flexible connection is arranged between the front busbar and the rear busbar, two ends of the copper bar flexible connection are respectively connected with the front busbar and the rear busbar, the hanging fence correspondingly comprises a front hanging fence and a rear hanging fence, a nut on the screw rod comprises a front nut and a rear nut, the front nut is connected with a front rocker arm, the end part of the front rocker arm is connected with a front connecting arm, the front connecting arm is rotatably connected with the front rocker arm, the other end of the front connecting arm is rotatably connected with the front hanging fence, the rear nut is connected with a rear rocker arm, the rear connecting arm is rotatably connected with the rear rocker arm, the other end of the rear connecting arm is rotatably connected with the rear hanging fence, and the front nut and the rear nut are symmetrically arranged in an inverted;

a plurality of sizing blocks are arranged below the rack, a sliding cover motor is arranged in the rack, and the output end of the sliding cover motor is connected with a sealing sliding cover (the sliding cover motor can be controlled to be opened and closed to realize the opening and closing of the sealing sliding cover).

Further, the copper bar moving mechanism is established in the coating bath both sides, and the copper bar moving mechanism of coating bath both sides includes main copper bar moving mechanism and follows the copper bar moving mechanism, and frame one side is equipped with the removal case, main copper bar moving mechanism establishes at the removal incasement, and main copper bar moving mechanism's power device is gear motor, and the one end that gear motor was kept away from to main copper bar moving mechanism lead screw is equipped with the driving gear, and the coating bath side is equipped with the synchronizing shaft, and the driving gear is connected to synchronizing shaft one end, connects the other end of synchronizing shaft from copper bar moving mechanism's power device, is driven gear from copper bar moving mechanism's power device, driven gear and synchronizing shaft are connected.

Furthermore, a nylon sliding rail is arranged outside the plating tank, a sliding sleeve is arranged below the end part of the hanging fence corresponding to the outside of the plating tank, the sliding sleeve is connected with the end part of the hanging fence, the lower part of the sliding sleeve is connected with the nylon sliding rail in a sliding manner, and the connecting arm is connected with the lower part of the sliding sleeve.

Furthermore, a power supply control box is arranged at one end of the rack, the electroplating power supply is arranged in the power supply control box, a control panel is arranged outside the power supply control box, a control circuit board is arranged in the power supply control box, the control panel is connected with the control circuit board, and the power device is connected with the control circuit board;

the rotary control mechanism comprises a rotary tailstock, the rotary support shaft penetrates through a plating tank and the rotary tailstock, a rotary metal sleeve is arranged on the outer side of the rotary support shaft, the length of the rotary metal sleeve corresponds to the length of the rotary tailstock, a rubber coating bearing is arranged in the rotary tailstock, the rubber coating bearing is sleeved on the outer side of the rotary metal sleeve, a spring carbon brush is arranged in the rotary tailstock, a contact surface of the spring carbon brush is tightly attached to the rotary metal sleeve, the spring carbon brush is connected with an electroplating power source, one end, close to a power control box, of the rotary support shaft is provided with a belt pulley, a rotary motor is arranged in the.

Furthermore, the two ends of the plating tank are provided with overflow grooves, the rotary sealing structure is arranged in the overflow grooves and comprises a sealing outer sleeve and a mounting plate, the sealing outer sleeve comprises a front blocking portion and a sealing portion, the inner diameter of the front blocking portion is matched with the diameter of the rotary supporting shaft, a rotary sealing ring is arranged in the sealing portion, the inner diameter of the rotary sealing ring is matched with the diameter of the rotary supporting shaft, the inner diameter of the mounting plate is matched with the diameter of the rotary supporting shaft, the mounting plate is arranged on one side close to the sealing portion of the sealing outer sleeve and connected with the sealing outer sleeve, one side, away from the mounting plate.

Further, the coating bath medial surface is equipped with the inlet tube, and the inlet tube is placed along the coating bath inboard, has evenly seted up the medicine water hole on the inlet tube, advances water piping connection switch valve's output, and the output of medicine water pump is connected to the switch valve input, and a plurality of delivery ports have evenly been seted up to the coating bath bottom, and the outlet pipe is connected to the delivery port.

Further, go out water piping connection heat exchanger, heat exchanger includes liquid medicine input and liquid medicine output, the outlet pipe is connected to heat exchanger's liquid medicine input, liquid medicine pump input is connected to heat exchanger's liquid medicine output, heat exchanger is the dividing wall type heat exchanger, still be equipped with cooling water input and cooling water output on the heat exchanger, cooling water output of heat exchanger connects cooling tower's the end of intaking, the cistern is connected to cooling tower's play water end, heat exchanger's cooling water input connects pipeline pump one end, the cistern is connected to the pipeline pump other end.

Furthermore, the number of the water outlets is three, the water outlets are arranged in the middle of the bottom of the plating bath, and the water outlets are distributed axially;

be equipped with liquid medicine between outlet pipe and heat exchanger and hold the groove, the outlet pipe connects liquid medicine earlier and holds the groove, and liquid medicine holds the groove and connects heat exchanger again, and liquid medicine holds the inslot and is equipped with preheating heater.

Furthermore, the cooling water input end of the heat exchanger is connected with a tap water pipeline, and the cooling water output end of the heat exchanger is connected with a wastewater treatment device.

The invention has the beneficial effects that: through control anode removal, make the positive pole with plate and keep suitable effective distance such as piece, provide changeable electric area, rational in infrastructure, the energy consumption is low, rotatory clamping device is removable, the piece of plating of different diameter lengths of adaptation cooperates reasonable sealed mode to and the exhaust chamber structure, realize visible, controllable, recoverable environmental protection requirement, the practicality is good.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a schematic view of the cross-sectional structure B-B in FIG. 2;

FIG. 6 is a schematic view of the interior of the mobile case of the present invention;

FIG. 7 is a graph of a power line analysis for a workpiece of 600 mm diameter according to the present invention;

FIG. 8 is a graph of a power line analysis for a workpiece of 300 mm diameter according to the present invention;

FIG. 9 is a schematic top view of the present invention without the workpiece;

FIG. 10 is a top view of the slide cover of the present invention without the sealing cover;

FIG. 11 is a graph showing the analysis of the internal bath circulation and cooling water flow direction in the present invention;

FIG. 12 is a schematic side view of the present invention;

FIG. 13 is a schematic view of the internal structure of the power control box of the present invention;

FIG. 14 is a schematic cross-sectional view of a rotary seal configuration of the present invention;

fig. 15 is a schematic view of the seal housing structure of the rotary seal structure of the present invention.

The labels in the figure are:

the device comprises a frame 11, a plating bath 12, a busbar 13, an anode 14, a workpiece 15, a rotary clamping device 16, a copper bar moving mechanism 17, a hanging rail 18, a screw rod 19, a nut 20, a rocker arm 21, a connecting arm 22, a rotary fulcrum 23, a sealing sliding cover 24, a slider 25, a sliding rail 26, a sealing ring 27, an exhaust gas chamber 28, an air outlet 29, a clamping piece 30, a rotary supporting shaft 31, a rotary sealing structure 32, a rotary control mechanism 33, a front busbar 34, a rear busbar 35, a copper bar flexible connection 36, a front hanging rail 37, a rear hanging rail 38, a front nut 39, a rear nut 40, a front rocker arm 41, a front connecting arm 42, a rear rocker arm 43, a rear connecting arm 44, a sizing block 45, a sliding cover motor 46, a moving box 47, a speed reduction motor 48, a driving gear 49, a synchronous shaft 50, a driven gear 51, a nylon sliding rail 52, a sliding sleeve 53, a power supply control box 54, a control panel 55, the device comprises a spring carbon brush 59, a belt pulley 60, a rotating motor 61, an overflow groove 62, a sealing outer sleeve 63, a mounting plate 64, a front baffle part 65, a sealing part 66, a rotating sealing ring 67, an insulating rubber surface 68, a water inlet pipe 69, a water outlet 70, a switch valve 71, a liquid medicine pump 72, a heat exchanger 73, a cooling water tower 74, a water storage tank 75 and a pipeline pump 76.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Referring to the drawings, the first embodiment:

the embodiment is a horizontal environment-friendly chromium plating electroplating machine, which is used for plating chromium on a workpiece 15 and comprises a rack 11, wherein a plating tank 12 is arranged in the rack 11, a bus 13 which is axially arranged is arranged in the plating tank 12, a plurality of anodes 14 are fixedly arranged on the bus 13, the workpiece 15 is arranged in the plating tank 12, rotary clamping devices 16 are arranged at two ends of the workpiece 15, the workpiece 15 is connected with an electroplating power supply, a copper bar moving mechanism 17 is arranged on the side surface of the plating tank 12, a hanging bar 18 is arranged in the plating tank 12, the bus 13 is fixedly connected with the hanging bar 18, the hanging bar 18 penetrates through the side wall of the plating tank 12, the copper bar moving mechanism 17 is connected with the hanging bar 18;

the copper bar moving mechanism 17 comprises a power device, a screw rod 19 is arranged on one side of the power device, the screw rod 19 is in transmission connection with the power device, a nut 20 is arranged on the screw rod 19, the nut 20 is in threaded connection with the screw rod 19, a rocker arm 21 is arranged on the nut 20, the end part of the rocker arm 21 is connected with a connecting arm 22, a rotating fulcrum 23 is arranged on the rocker arm 21, one end of the rotating fulcrum 23 is fixedly connected with the side wall of the plating tank 12, the rocker arm 21 is in rotating connection with the rotating fulcrum 23, and the connecting arm; the copper bar is moved through a power device, a proper electroplating area and distance are provided for the workpiece 15, the practicability is improved, the screw rod 19 moves to drive the screw 20 to swing the rocker arm 21, the swing effect is amplified under the left and right of the lever principle, and the hanging rail 18 and the anode 14 are driven to move.

A sealing sliding cover 24 is arranged on the rack 11, sliding blocks 25 are arranged at two ends of the bottom of the sealing sliding cover 24, a sliding rail 26 matched with the sliding blocks 25 is arranged on the rack 11, an opening is formed in the rack 11, the size of the sealing sliding cover 24 is matched with that of the opening, and a sealing ring 27 is arranged on the sealing sliding cover 24;

an exhaust gas chamber 28 is arranged in the frame 11, the exhaust gas chamber 28 is arranged on one side of the plating tank 12, the top of the exhaust gas chamber 28 is communicated with the top of the plating tank 12, an air draft device is arranged in the exhaust gas chamber 28, an air outlet 29 is arranged on one side of the exhaust gas chamber 28, which is far away from the plating tank 12, and the air outlet 29 is connected with an exhaust gas treatment device;

the rotary clamping device 16 comprises a clamping piece 30, the clamping piece 30 is connected with the workpiece 15, one end of the clamping piece 30, which is far away from the workpiece 15, is fixedly provided with a rotary supporting shaft 31, a rotary sealing structure 32 is arranged between the rotary supporting shaft 31 and the plating tank 12, the outer sides of two ends of the plating tank 12 are provided with rotary control mechanisms 33, and the rotary supporting shaft 31 is connected with the rotary control mechanisms 33; compared with a common electroplating machine, the electroplating machine has the advantages that the horizontal structure is adopted, the full-immersion electroplating is adopted, the advantages brought by the structure of the movable anode 14 can be fully played, the power receiving area is improved to 60% -80% compared with 30% of that of the traditional electroplating machine, the electroplating is uniform, the process temperature is stable, and the plating solution is not easy to evaporate and is wasted.

Preferably, the anode 14 is shaped like a tooth to match the shape of the workpiece 15, other shapes can be used for different workpieces 15, the busbar 13 comprises a front busbar 34 and a rear busbar 35, the front busbar 34 and the rear busbar 35 are respectively arranged in front of and behind the plating tank 12, the busbar 13 corresponds to two sides of the workpiece 15, a copper bar flexible connection 36 is arranged between the front busbar 34 and the rear busbar 35, two ends of the copper bar flexible connection 36 are respectively connected with the front busbar 34 and the rear busbar 35, the suspension rail 18 correspondingly comprises a front suspension rail 37 and a rear suspension rail 38, the nut 20 on the screw rod 19 comprises a front nut 39 and a rear nut 40, the front nut 39 is connected with a front rocker arm 41, the end of the front rocker arm 41 is connected with a front connecting arm 42, the front connecting arm 42 is rotatably connected with the front rocker arm 41, the other end of the front connecting arm 42 is rotatably connected with the front suspension rail 37, the rear nut 40 is connected with a rear rocker arm 43, the end of the rear rocker arm 43 is connected with a rear connecting arm 44, the other end of the rear connecting arm 44 is rotatably connected with the rear suspension rail 38, and the front screw nut 39 and the rear screw nut 40 are symmetrically arranged in an inverted splayed shape.

A plurality of sizing blocks 45 are arranged below the frame 11, even if liquid leakage occurs, the leakage can be easily found, the complete visible, controllable and recyclable environmental protection requirements are met, a sliding cover motor 46 is arranged in the frame 11, and the output end of the sliding cover motor 46 is connected with a sealing sliding cover 24 (the sliding cover motor 46 can be controlled to be opened and closed, so that the sealing sliding cover 24 can be opened and closed).

Copper bar moving mechanism 17 is established in the 12 both sides of coating bath, and the copper bar moving mechanism 17 of 12 both sides of coating bath includes main copper bar moving mechanism 17 and follows copper bar moving mechanism 17, and 11 one side in the frame is equipped with the movable box 47, main copper bar moving mechanism 17 is established in the movable box 47, and the power device of main copper bar moving mechanism 17 is gear motor 48, and the one end that gear motor 48 was kept away from to main copper bar moving mechanism 17 lead screw 19 is equipped with driving gear 49, and the 12 sides of coating bath are equipped with synchronizing shaft 50, and driving gear 49 is connected to 50 one end of synchronizing shaft, connects 50 the other end of synchronizing shaft from the power device of copper bar moving mechanism 17, is driven gear 51 from the power device of copper bar moving mechanism 17, and driven gear 51 is connected with synchronizing.

The outer side of the plating tank 12 is provided with a nylon slide rail 52, a sliding sleeve 53 is arranged below the end part of the hanging rail 18 corresponding to the outer side of the plating tank 12, the sliding sleeve 53 is connected with the end part of the hanging rail 18, the lower part of the sliding sleeve 53 is connected with the nylon slide rail 52 in a sliding manner, and the connecting arm 22 is connected with the lower part of the sliding sleeve 53. The sliding rail 26 may be nylon or other insulating material to prevent electrical leakage.

In this embodiment, a power control box 54 is disposed at one end of the frame 11, the electroplating power source is disposed in the power control box 54, a control panel 55 is disposed outside the power control box 54, a control circuit board is disposed in the power control box 54, the control panel 55 is connected to the control circuit board, the power device is connected to the control circuit board, and the electroplating power source is connected to the anode 14 and two ends of the workpiece 15.

The rotating control mechanism 33 comprises a rotating tailstock 56, the rotating support shaft 31 penetrates through the coating bath 12 and the rotating tailstock 56, a rotating metal sleeve 57 is arranged on the outer side of the rotating support shaft 31, the length of the rotating metal sleeve 57 corresponds to the length of the rotating tailstock 56, a rubber-covered bearing 58 is arranged in the rotating tailstock 56, the rubber-covered bearing 58 is sleeved on the outer side of the rotating metal sleeve 57, a spring carbon brush 59 is arranged in the rotating tailstock 56, the contact surface of the spring carbon brush 59 is tightly attached to the rotating metal sleeve 57, the spring carbon brush 59 is connected with an electroplating power supply, a belt pulley 60 is arranged at one end, close to the power supply control box 54, of the rotating support shaft 31, a rotating motor 61 is arranged. The rotary clamping device 16 is matched to electrify two ends of the workpiece 15, so that the electroplating uniformity is improved, the voltage requirement is reduced, the waste gas is reduced, and the plating solution can be recycled by matching with the plating solution circulating device to avoid the generation of excessive waste liquid

The two ends of the plating tank 12 are provided with overflow grooves 62, the rotary sealing structure 32 is arranged in the overflow grooves 62, the rotary sealing structure 32 comprises a sealing outer sleeve 63 and a mounting plate 64, the sealing outer sleeve 63 comprises a front blocking part 65 and a sealing part 66, the inner diameter of the front blocking part 65 is matched with the diameter of the rotary supporting shaft 31, the inner diameter of the sealing part 66 is provided with a rotary sealing ring 67, the inner diameter of the rotary sealing ring 67 is matched with the diameter of the rotary supporting shaft 31, the inner diameter of the mounting plate 64 is matched with the diameter of the rotary supporting shaft 31, the mounting plate 64 is arranged at one side close to the sealing part 66 of the sealing outer sleeve 63, the mounting plate 64 is connected with the sealing outer sleeve 63, one side of the sealing outer sleeve 63 far away from the mounting plate 64 is provided with an insulating glue surface 68, the rotary sealing structure 32 is used for realizing full, the rotary sealing ring 67 is not easy to leak, and is a framework double-lip sealing ring 27.

Example two

On the basis of embodiment one, further promote environmental protection effect, the cyclic use plating solution reduces the plating solution evaporation, specifically, this embodiment is equipped with inlet tube 69 at 12 medial surfaces of coating bath, and inlet tube 69 is placed along 12 inboards of coating bath, has evenly seted up the medicine water hole on the inlet tube 69, and inlet tube 69 connects switch valve 71's output, and switch valve 71 input is connected the output of medicine water pump 72, and a plurality of delivery ports 70 have evenly been seted up to 12 bottoms of coating bath, and the outlet pipe is connected to delivery port 70. The plating solution passes through the plating tank 12 from top to bottom, so that the temperature of the plating solution in the plating tank 12 is uniform, and evaporation is reduced.

The outlet pipe of this embodiment connects heat exchanger 73, heat exchanger 73 includes liquid medicine input and liquid medicine output, the outlet pipe is connected to heat exchanger 73's liquid medicine input, liquid medicine pump 72 input is connected to heat exchanger 73's liquid medicine output, heat exchanger 73 is the dividing wall type heat exchanger, still be equipped with cooling water input and cooling water output on heat exchanger 73, cooling water output of heat exchanger 73 connects the end of intaking of cooling tower 74, the cistern 75 is connected to the end of giving out water of cooling tower 74, the cooling water input of heat exchanger 73 connects pipeline pump 76 one end, the cistern 75 is connected to the pipeline pump 76 other end.

When the electroplating device is used, the preset cooling temperature is, for example, fifty degrees centigrade, a temperature sensor can be placed in the plating tank 12 or on the heat exchanger 73, the preset temperature is reached, cooling is started, cooling is stopped after cooling to forty-nine degrees centigrade, and the temperature of the plating solution is kept at the proper electroplating temperature.

Preferably, the number of the water outlets 70 is three, the water outlets 70 can be properly increased or decreased according to the length of the plating tank 12, the water outlets 70 are arranged in the middle of the bottom of the plating tank 12, the water outlets 70 are axially distributed, water is uniformly discharged, and the problem that the plating solution is not uniform due to the fact that the common water outlets 70 are not uniformly distributed and the plating solution is not uniform, so that the problem that the plating is unqualified is solved.

This embodiment is equipped with liquid medicine between outlet pipe and heat exchanger 73 and holds the groove, and the outlet pipe connects liquid medicine earlier and holds the groove, and liquid medicine holds groove reconnection heat exchanger 73, and liquid medicine holds the inslot and is equipped with preheating heater, preheats liquid medicine, preheats the completion and electroplates again, improves electroplating efficiency, and it is extravagant to reduce liquid medicine.

The cooling water input end of the heat exchanger 73 can be directly connected with a tap water pipeline, the cooling water output end of the heat exchanger 73 is connected with a wastewater treatment device, the construction cost is reduced, and the cooled wastewater is free from other pollution.

The above examples only show one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The horizontal environment-friendly chromium plating electroplating machine is characterized by comprising a rack (11), wherein a plating tank (12) is arranged in the rack (11), a bus bar (13) which is axially arranged is arranged in the plating tank (12), a plurality of anodes (14) are fixedly arranged on the bus bar (13), a workpiece (15) is arranged in the plating tank (12), rotary clamping devices (16) are arranged at two ends of the workpiece (15), the workpiece (15) is connected with an electroplating power supply, a copper bar moving mechanism (17) is arranged on the side surface of the plating tank (12), a hanging rail (18) is arranged in the plating tank (12), the bus bar (13) is fixedly connected with the hanging rail (18), the hanging rail (18) penetrates through the side wall of the plating tank (12), the copper bar moving mechanism (17) is connected with the hanging rail (18), and the hanging rail (18) is in sliding;

the copper bar moving mechanism (17) comprises a power device, a screw rod (19) is arranged on one side of the power device, the screw rod (19) is in transmission connection with the power device, a nut (20) is arranged on the screw rod (19), the nut (20) is in threaded connection with the screw rod (19), a rocker arm (21) is arranged on the nut (20), a connecting arm (22) is connected to the end of the rocker arm (21), a rotating fulcrum (23) is arranged on the rocker arm (21), one end of the rotating fulcrum (23) is fixedly connected with the side wall of the plating tank (12), the rocker arm (21) is in rotating connection with the rotating fulcrum (23), and the connecting arm (22) is connected with one end;

a sealing sliding cover (24) is arranged on the rack (11), sliding blocks (25) are arranged at two ends of the bottom of the sealing sliding cover (24), a sliding rail (26) matched with the sliding blocks (25) is arranged on the rack (11), an opening is formed in the rack (11), the size of the sealing sliding cover (24) is matched with that of the opening, and a sealing ring (27) is arranged on the sealing sliding cover (24);

an exhaust gas chamber (28) is arranged in the rack (11), the exhaust gas chamber (28) is arranged on one side of the plating tank (12), the top of the exhaust gas chamber (28) is communicated with the top of the plating tank (12), an air draft device is arranged in the exhaust gas chamber (28), an air outlet (29) is formed in one side, away from the plating tank (12), of the exhaust gas chamber (28), and the air outlet (29) is connected with an exhaust gas treatment device;

the rotary clamping device (16) comprises a clamping piece (30), the clamping piece (30) is connected with the workpiece (15), a rotary supporting shaft (31) is fixedly arranged at one end, away from the workpiece (15), of the clamping piece (30), a rotary sealing structure (32) is arranged between the rotary supporting shaft (31) and the plating tank (12), rotary control mechanisms (33) are arranged on the outer sides of two ends of the plating tank (12), and the rotary supporting shaft (31) is connected with the rotary control mechanisms (33).

2. The horizontal environment-friendly chromium plating electroplating machine according to claim 1, wherein the anode (14) is in a tooth-like shape, the busbar (13) comprises a front busbar (34) and a rear busbar (35), the front busbar (34) and the rear busbar (35) are respectively arranged in front of and behind the plating tank (12), the busbar (13) corresponds to two sides of the workpiece (15), a copper bar flexible connection (36) is arranged between the front busbar (34) and the rear busbar (35), two ends of the copper bar flexible connection (36) are respectively connected with the front busbar (34) and the rear busbar (35), the hanging rail (18) correspondingly comprises a front hanging rail (37) and a rear hanging rail (38), the nut (20) on the lead screw (19) comprises a front nut (39) and a rear nut (40), the front nut (39) is connected with a front rocker arm (41), the end of the front rocker arm (41) is connected with a front connecting arm (42), and the front connecting arm (42) is rotatably connected with the front rocker arm (41), the other end of the front connecting arm (42) is rotatably connected with the front hanging rail (37), the rear nut (40) is connected with the rear rocker arm (43), the end part of the rear rocker arm (43) is connected with the rear connecting arm (44), the rear connecting arm (44) is rotatably connected with the rear rocker arm (43), the other end of the rear connecting arm (44) is rotatably connected with the rear hanging rail (38), and the front nut (39) and the rear nut (40) are symmetrically arranged in an inverted splayed manner;

a plurality of sizing blocks (45) are arranged below the rack (11), a sliding cover motor (46) is arranged in the rack (11), and the output end of the sliding cover motor (46) is connected with a sealing sliding cover (24).

3. The horizontal environment-friendly chromium plating electroplating machine according to claim 1 or 2, characterized in that the copper bar moving mechanisms (17) are arranged at two sides of the plating tank (12), the copper bar moving mechanisms (17) at two sides of the plating tank (12) comprise a main copper bar moving mechanism (17) and a secondary copper bar moving mechanism (17), a moving box (47) is arranged at one side of the rack (11), the main copper bar moving mechanism (17) is arranged in the moving box (47), the power device of the main copper bar moving mechanism (17) is a speed reduction motor (48), a driving gear (49) is arranged at one end of a screw rod (19) of the main copper bar moving mechanism (17) far away from the speed reduction motor (48), a synchronizing shaft (50) is arranged at the side of the plating tank (12), one end of the synchronizing shaft (50) is connected with the driving gear (49), the power device of the secondary copper bar moving mechanism (17) is connected with the other end of the synchronizing shaft (50), the power device of the secondary copper bar moving mechanism (, the driven gear (51) is connected to the synchronizing shaft (50).

4. The horizontal environment-friendly chromium plating electroplating machine according to claim 1, wherein a nylon slide rail (52) is arranged outside the plating tank (12), a sliding sleeve (53) is arranged below the end part of the hanging rail (18) outside the plating tank (12), the sliding sleeve (53) is connected with the end part of the hanging rail (18), the lower part of the sliding sleeve (53) is connected with the nylon slide rail (52) in a sliding manner, and the connecting arm (22) is connected with the lower part of the sliding sleeve (53).

5. The horizontal environment-friendly chromium plating electroplating machine according to claim 1, wherein one end of the frame (11) is provided with a power supply control box (54), the electroplating power supply is arranged in the power supply control box (54), the outer side of the power supply control box (54) is provided with a control panel (55), a control circuit board is arranged in the power supply control box (54), the control panel (55) is connected with the control circuit board, and the power device is connected with the control circuit board;

the rotary control mechanism (33) comprises a rotary tailstock (56), the rotary support shaft (31) penetrates through the plating tank (12) and the rotary tailstock (56), a rotary metal sleeve (57) is arranged on the outer side of the rotary support shaft (31), the length of the rotary metal sleeve (57) corresponds to the length of the rotary tailstock (56), a rubber-coated bearing (58) is arranged in the rotary tailstock (56), the rubber-coated bearing (58) is sleeved on the outer side of the rotary metal sleeve (57), a spring carbon brush (59) is arranged in the rotary tailstock (56), the contact surface of the spring carbon brush (59) is tightly attached to the rotary metal sleeve (57), the spring carbon brush (59) is connected with an electroplating power source, a belt pulley (60) is arranged at one end, close to the power source control box (54), of the rotary support shaft (31), a rotary motor (61) is arranged in the power source control box (54).

6. The horizontal environment-friendly chromium plating electroplating machine according to claim 5, wherein both ends of the plating tank (12) are provided with overflow tanks (62), the rotary sealing structure (32) is arranged in the overflow tanks (62), the rotary sealing structure (32) comprises a sealing outer sleeve (63) and a mounting plate (64), the sealing outer sleeve (63) comprises a front baffle part (65) and a sealing part (66), the inner diameter of the front baffle part (65) is matched with the diameter of the rotary supporting shaft (31), a rotary sealing ring (67) is arranged in the sealing part (66), the inner diameter of the rotary sealing ring (67) is matched with the diameter of the rotary supporting shaft (31), the inner diameter of the mounting plate (64) is matched with the diameter of the rotary supporting shaft (31), the mounting plate (64) is arranged at one side close to the sealing part (66) of the sealing outer sleeve (63), the mounting plate (64) is connected with the sealing outer sleeve (63), and an insulating glue surface (68), the insulating rubber surface (68) is made of fluororubber.

7. The horizontal environment-friendly chromium plating electroplating machine according to claim 1, wherein a water inlet pipe (69) is arranged on the inner side surface of the plating tank (12), the water inlet pipe (69) is arranged along the inner side of the plating tank (12), the water inlet pipe (69) is uniformly provided with a medicine water hole, the water inlet pipe (69) is connected with the output end of a switch valve (71), the input end of the switch valve (71) is connected with the output end of a medicine water pump (72), the bottom of the plating tank (12) is uniformly provided with a plurality of water outlets (70), and the water outlets (70) are connected with a water outlet pipe.

8. The horizontal environment-friendly chromium plating electroplating machine according to claim 7, wherein the water outlet pipe is connected with a heat exchanger (73), the heat exchanger (73) comprises a liquid medicine input end and a liquid medicine output end, the liquid medicine input end of the heat exchanger (73) is connected with the water outlet pipe, the liquid medicine output end of the heat exchanger (73) is connected with the input end of a liquid medicine pump (72), the heat exchanger (73) is a dividing wall type heat exchanger, the heat exchanger (73) is further provided with a cooling water input end and a cooling water output end, the cooling water output end of the heat exchanger (73) is connected with the water inlet end of a cooling water tower (74), the water outlet end of the cooling water tower (74) is connected with a reservoir (75), the cooling water input end of the heat exchanger (73) is connected with a pipeline pump (76), and the other.

9. The horizontal environment-friendly chromium plating electroplating machine according to claim 7, wherein the number of the water outlets (70) is three, the water outlets (70) are arranged in the middle of the bottom of the plating tank (12), and the water outlets (70) are axially distributed;

a liquid medicine storage groove is arranged between the water outlet pipe and the heat exchanger (73), the water outlet pipe is connected with the liquid medicine storage groove firstly, the liquid medicine storage groove is connected with the heat exchanger (73), and a preheating heater is arranged in the liquid medicine storage groove.

10. The horizontal environment-friendly chromium plating electroplating machine according to claim 7, characterized in that the cooling water input end of the heat exchanger (73) is connected with a tap water pipeline, and the cooling water output end of the heat exchanger (73) is connected with a wastewater treatment device.