Pickling pretreatment structure for multi-channel continuous electroplating of copper-tungsten alloy

Abstract

The utility model discloses a pickling pretreatment structure for multi-channel continuous electroplating of copper-tungsten alloy, which relates to the technical field of metal pickling equipment and comprises a pretreatment box body, a fixed seat is arranged in the pretreatment box body, a first motor is arranged on the side wall of the fixed seat, and the output end of the first motor is fixedly connected with a first gear. The side wall of the first gear is connected with a first toothed belt in a meshed mode, the end, away from the first gear, of the first toothed belt is connected with a second gear in a meshed mode, one end of the second gear and one end of the first gear are both fixedly connected with two-way threaded rods, and the two-way threaded rods are located in the fixing base. The clamping force of the clamping plates on the copper-tungsten alloy is evenly distributed, inclination or falling of the copper-tungsten alloy is avoided, the clamping stability is high, the scraper is used for stirring the pickling solution, rotation of the scraper in the same direction is achieved, the concentration of the pickling solution near the copper-tungsten alloy is kept stable, and meanwhile the pickling solution is prevented from splashing.

Description

Technical Field

[0001] The utility model relates to the technical field of metal pickling equipment, in particular to a pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating. Background Art

[0002] The method of using acid solution to remove oxide scale and rust on the surface of copper-tungsten alloy is called pickling. It is a method of cleaning the metal surface. Generally, the workpiece is immersed in an aqueous solution of sulfuric acid to remove oxides and other films on the metal surface. It is a pre-treatment or intermediate treatment for processes such as electroplating, enameling, and rolling.

[0003] Chinese patent document CN214991877U discloses a pretreatment pickling device for industrial metallurgy, including a bottom plate, side plates are symmetrically fixed on both sides of the top of the bottom plate, a top plate is fixed between the top ends of the side plates, cylinders are symmetrically fixed to the bottom wall of the top plate, a mounting plate is fixed between the bottom ends of the cylinders, a fixing component is fixed to the bottom wall of the mounting plate, a pickling box is arranged in the center of the top wall of the bottom plate, a swing component is arranged in the pickling box, a box cover is symmetrically hinged at the top of the pickling box, the bottom wall of the box cover is connected to the inner side wall of the pickling box through a reset spring, a connecting pipe is arranged on the top of the side wall of the pickling box, and the other end of the connecting pipe is connected to the purification component. The above-mentioned industrial metallurgical pretreatment pickling device has shortcomings. Although the device can realize pickling of metal, it has limitations. When fixing the metal, the clamping force of the splint on the metal gradually decreases from the middle of the splint to the edge of the splint, and the clamping force is unevenly distributed, which can easily cause the metal plate to tilt or even fall. Secondly, when the pickling liquid is stirred, the scraper moves back and forth, causing a large amount of splashing of the pickling liquid, resulting in waste of the pickling liquid.

[0004] Therefore, in order to solve such problems, we proposed a pickling pretreatment structure for multi-pass continuous electroplating of copper-tungsten alloy. Utility Model Content

[0005] The utility model aims to provide a pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating, aiming to solve the problem in the above-mentioned background technology that the existing industrial metallurgical pretreatment pickling device has low stability when in use due to the clamping plate fixing the metal plate, and is prone to cause a large amount of splashing of the pickling liquid, thereby causing waste of the pickling liquid.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pickling pretreatment structure for multi-pass continuous electroplating of copper-tungsten alloy, comprising a pretreatment box body, an electric push rod is arranged on the top wall of the pretreatment box body, a fixed seat is arranged on the output end of the electric push rod, a first motor is arranged on the side wall of the fixed seat, a first gear is fixedly connected to the output end of the first motor, a first toothed belt is meshedly connected to the side wall of the first gear, an end of the first toothed belt away from the first gear is meshedly connected to the second gear, the second gear and the end of the first gear away from the first motor are both fixedly connected to a bidirectional threaded rod, the bidirectional threaded rod passes through the side wall of the fixed seat, and the side wall of the bidirectional threaded rod located inside the fixed seat is threadedly connected to a clamping plate, the first gear is driven to rotate by starting the first motor, so that the first gear drives the first toothed belt to rotate, so that the first toothed belt drives the second gear to rotate, so that the second gear and the first gear respectively drive the bidirectional threaded rod to rotate, so that the bidirectional threaded rod drives the clamping plate to move horizontally in a straight line, so that the clamping plate clamps the copper-tungsten alloy to be pickled.

[0007] Preferably, a pickling box is provided on the inner bottom wall of the pretreatment box body, a second motor is provided on the lower end of the pickling box, a third gear is fixedly connected to the output end of the second motor, a second toothed belt is meshedly connected to the side wall of the third gear, an end of the second toothed belt away from the third gear is meshedly connected to a fourth gear, the fourth gear and the third gear are both fixedly connected to the ends away from the second motor with a rotating column, an end of the rotating column away from the third gear passes through the inner bottom wall of the pickling box, an end of the rotating column located inside the pickling box is fixedly connected to a rotating disk, and a plurality of scrapers are provided on the end of the rotating disk away from the rotating column.

[0008] Preferably, an air intake pipe is provided on the side wall of the pretreatment box body, one end of the air intake pipe passes through the side wall of the pretreatment box body, the other end of the air intake pipe is sealedly connected to the exhaust fan, the output end of the exhaust fan is sealedly connected to the connecting pipe, and the end of the connecting pipe away from the exhaust fan is sealedly connected to the air purification component body.

[0009] Preferably, a box door is provided on the side wall of the pretreatment box body.

[0010] Preferably, the side wall of the clamping plate is fixedly connected to a limiting block, and the limiting block is slidably connected to the inner wall of the fixing seat.

[0011] Preferably, the scraper is arranged at an angle of 45°, and a baffle frame is arranged on the inner wall of the pickling box.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, two bidirectional threaded rods are used to drive the clamping plate to clamp the copper-tungsten alloy. The clamping force of the clamping plate on the copper-tungsten alloy is evenly distributed, so that the copper-tungsten alloy is prevented from tilting or falling, and the clamping stability is high. Secondly, the scraper is used to stir the pickling liquid, and the scraper rotates in the same direction, so that the concentration of the pickling liquid near the copper-tungsten alloy is kept stable, the pickling rate is improved, and the splashing of the pickling liquid is avoided, the waste of the pickling liquid is reduced, and the structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional schematic diagram of a pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating proposed by the utility model Figure 1 ;

[0015] Figure 2 A three-dimensional schematic diagram of a pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating proposed by the utility model Figure 2 ;

[0016] Figure 3 It is a three-dimensional exploded schematic diagram of the internal structure of a fixing seat in a pickling pretreatment structure for multi-pass continuous electroplating of copper-tungsten alloy proposed by the utility model;

[0017] Figure 4 It is a three-dimensional schematic diagram of a pickling box in a pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating proposed by the utility model;

[0018] Figure 5 The utility model discloses a three-dimensional exploded schematic diagram of the internal structure of a pickling box in a pickling pretreatment structure for multi-pass continuous electroplating of copper-tungsten alloy.

[0019] Legend:

[0020] 1. Pretreatment box body; 11. Electric push rod; 12. Fixed seat; 121. First motor; 122. First gear; 123. First toothed belt; 124. Second gear; 125. Bidirectional threaded rod; 126. Clamp; 127. Limit block; 13. Pickling box; 131. Second motor; 132. Third gear; 133. Second toothed belt; 134. Fourth gear; 135. Rotating column; 136. Rotating disk; 137. Scraper; 138. Baffle frame; 14. Intake pipe; 15. Exhaust fan; 16. Connecting pipe; 2. Box door; 3. Air purification unit body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Reference Figure 1-5 The utility model provides an embodiment: a pickling pretreatment structure for multi-pass continuous electroplating of copper-tungsten alloy, comprising a pretreatment box body 1, an electric push rod 11 is arranged on the top wall of the pretreatment box body 1, a fixed seat 12 is arranged on the output end of the electric push rod 11, a first motor 121 is arranged on the side wall of the fixed seat 12, a first gear 122 is fixedly connected to the output end of the first motor 121, a first toothed belt 123 is meshedly connected to the side wall of the first gear 122, an end of the first toothed belt 123 away from the first gear 122 is meshedly connected to the second gear 124, the second gear 124 and the end of the first gear 122 away from the first motor 121 are both fixedly connected to a bidirectional threaded rod 125, the bidirectional threaded rod 125 passes through the side wall of the fixed seat 12, and the side wall of the bidirectional threaded rod 125 located inside the fixed seat 12 is threadedly connected to a clamping plate 126.

[0024] The arrangement starts the first motor 121 to drive the first gear 122 to rotate, so that the first gear 122 drives the first toothed belt 123 to rotate, so that the first toothed belt 123 drives the second gear 124 to rotate, so that the second gear 124 and the first gear 122 respectively drive the bidirectional threaded rod 125 to rotate, so that the bidirectional threaded rod 125 drives the clamping plate 126 to move horizontally and linearly, so that the clamping plate 126 clamps the copper-tungsten alloy to be pickled.

[0025] A pickling box 13 is provided on the inner bottom wall of the pretreatment box body 1, and a second motor 131 is provided on the lower end of the pickling box 13. A third gear 132 is fixedly connected to the output end of the second motor 131, and a second toothed belt 133 is meshedly connected to the side wall of the third gear 132. An end of the second toothed belt 133 away from the third gear 132 is meshedly connected to a fourth gear 134. The fourth gear 134 and the end of the third gear 132 away from the second motor 131 are both fixedly connected to a rotating column 135. The end of the rotating column 135 away from the third gear 132 passes through the inner bottom wall of the pickling box 13, and the end of the rotating column 135 located inside the pickling box 13 is fixedly connected to a rotating disk 136. The rotating disk A plurality of scrapers 137 are provided at one end of 136 away from the rotating column 135, which are used to start the second motor 131 to rotate, so that the second motor 131 drives the third gear 132 to rotate, so that the third gear 132 drives the second toothed belt 133 to rotate, and the upper second toothed belt 133 drives the fourth gear 134 to rotate, so that the fourth gear 134 and the third gear 132 respectively drive the rotating column 135 to rotate at the same time, so that the rotating column 135 drives the rotating disk 136 to rotate, so that the rotating disk 136 drives the scraper 137 to rotate, and then the scraper 137 drives the pickling liquid, so that the concentration of the pickling liquid near the copper-tungsten alloy remains stable, and the pickling rate is improved.

[0026] An air intake pipe 14 is arranged on the side wall of the pretreatment box body 1, one end of the air intake pipe 14 passes through the side wall of the pretreatment box body 1, the other end of the air intake pipe 14 is sealedly connected to an exhaust fan 15, the output end of the exhaust fan 15 is sealedly connected to a connecting pipe 16, and the end of the connecting pipe 16 away from the exhaust fan 15 is sealedly connected to an air purification component body 3, which is used to use the exhaust fan 15 to extract harmful gases in the pretreatment box body 1 through the air intake pipe 14, and then use the connecting pipe 16 to send it into the air purification component body 3 for purification, thereby avoiding air pollution and ensuring the health of the staff.

[0027] The side wall of the pretreatment box body 1 is provided with a box door 2, which is used to realize that the pretreatment box body 1 is a closed space, so as to prevent the harmful gas generated during the pickling of the copper-tungsten alloy from leaking out and avoid air pollution.

[0028] The side wall of the splint 126 is fixedly connected to a limiting block 127, and the limiting block 127 is slidably connected to the inner wall of the fixing seat 12. A sliding groove is provided on the inner wall of the fixing seat 12, and the limiting block 127 is located in the sliding groove to limit the splint 126 and increase the stability of the movement of the splint 126.

[0029] The scraper 137 is set at an angle of 45°, and the inner wall of the pickling box 13 is provided with a baffle frame 138 for more conveniently stirring the pickling liquid and avoiding splashing of the pickling liquid.

[0030] Working principle: First, the first motor 121 is started to drive the first gear 122 to rotate, the first gear 122 drives the first toothed belt 123 to rotate, the first toothed belt 123 drives the second gear 124 to rotate, the second gear 124 and the first gear 122 respectively drive the bidirectional threaded rod 125 to rotate, the bidirectional threaded rod 125 drives the clamping plate 126 to move horizontally and linearly, the clamping plate 126 clamps the copper-tungsten alloy to be pickled, and then the electric push rod 11 is started to drive the copper-tungsten alloy at the lower end of the fixed seat 12 into the pickling solution for pickling, and then the second motor 131 is started to rotate, the second motor 131 drives the third gear 132 to rotate, and the third gear 132 drives the second toothed belt 133 to rotate, the upper second toothed belt 133 drives the fourth gear 134 to rotate, the fourth gear 134 and the third gear 132 respectively drive the rotating column 135 to rotate, the rotating column 135 drives the rotating disk 136 to rotate, the rotating disk 136 drives the scraper 137 to rotate, and then the scraper 137 is used to drive the pickling liquid, so that the concentration of the pickling liquid near the copper-tungsten alloy remains stable, and then the exhaust fan 15 is used to extract the harmful gas in the pretreatment box body 1 through the suction pipe 14, and then the connecting pipe 16 is used to send it into the air purification component body 3 for purification, thereby avoiding air pollution and ensuring the health of the staff.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating, comprising a pretreatment box body (1), characterized in that: The inner top wall of the pretreatment box body (1) is provided with an electric push rod (11), the output end of the electric push rod (11) is provided with a fixed seat (12), the side wall of the fixed seat (12) is provided with a first motor (121), the output end of the first motor (121) is fixedly connected with a first gear (122), the side wall of the first gear (122) is meshedly connected with a first toothed belt (123), the end of the first toothed belt (123) away from the first gear (122) is meshedly connected with a second gear (124), the second gear (124) and the end of the first gear (122) away from the first motor (121) are both fixedly connected with a bidirectional threaded rod (125), the bidirectional threaded rod ( 125) penetrates the side wall of the fixing seat (12), and the bidirectional threaded rod (125) is located on the side wall of the fixing seat (12) and is threadedly connected with a clamping plate (126). By starting the first motor (121), the first gear (122) is driven to rotate, so that the first gear (122) drives the first toothed belt (123) to rotate, and the first toothed belt (123) drives the second gear (124) to rotate, so that the second gear (124) and the first gear (122) respectively drive the bidirectional threaded rod (125) to rotate, so that the bidirectional threaded rod (125) drives the clamping plate (126) to move horizontally and linearly, so that the clamping plate (126) clamps the copper-tungsten alloy to be pickled.

2. The pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating according to claim 1, characterized in that: The inner bottom wall of the pretreatment box body (1) is provided with a pickling box (13), the lower end of the pickling box (13) is provided with a second motor (131), the output end of the second motor (131) is fixedly connected with a third gear (132), the side wall of the third gear (132) is meshedly connected with a second toothed belt (133), the end of the second toothed belt (133) away from the third gear (132) is meshedly connected with a fourth gear (134), the fourth gear (134) and the end of the third gear (132) away from the second motor (131) are both fixedly connected with a rotating column (135), the end of the rotating column (135) away from the third gear (132) penetrates the inner bottom wall of the pickling box (13), the end of the rotating column (135) located inside the pickling box (13) is fixedly connected with a rotating disk (136), and the end of the rotating disk (136) away from the rotating column (135) is provided with a plurality of scrapers (137).

3. The pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating according to claim 1, characterized in that: The side wall of the pretreatment box body (1) is provided with an air intake pipe (14), one end of the air intake pipe (14) passes through the side wall of the pretreatment box body (1), the other end of the air intake pipe (14) is sealedly connected to an exhaust fan (15), the output end of the exhaust fan (15) is sealedly connected to a connecting pipe (16), and the end of the connecting pipe (16) away from the exhaust fan (15) is sealedly connected to the air purification component body (3).

4. The pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating according to claim 1, characterized in that: The side wall of the pretreatment box body (1) is provided with a box door (2).

5. The pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating according to claim 1, characterized in that: The side wall of the clamping plate (126) is fixedly connected to a limiting block (127), and the limiting block (127) is slidably connected to the inner wall of the fixing seat (12).

6. The pickling pretreatment structure for copper-tungsten alloy multi-pass continuous electroplating according to claim 2, characterized in that: The scraper (137) is arranged at an angle of 45°, and a baffle frame (138) is arranged on the inner wall of the pickling box (13).

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