Uniform heating structure of chromium plating tank of high-adhesion chromium plating solution

Abstract

The utility model discloses a uniform heating structure of a chromium plating bath for high-adhesion chromium plating solution, which comprises a chromium plating bath body, a heating seat is arranged in the chromium plating bath body, electric heating tubes are arranged at the bottom end of the heating seat at equal intervals, a mechanism cover body is fixed at the top end of the chromium plating bath body, and the mechanism cover body is fixed on the top end of the chromium plating bath body. A movable plate is arranged at the bottom of the mechanism cover body, a high-position convex tooth is arranged at the center position of the top end of the movable plate, low-position convex teeth are arranged at the positions, on the two sides of the high-position convex tooth, of the top end of the movable plate, a rotating shaft is installed at the top of the mechanism cover body through a bearing, and a reducing gear is fixed to one end of the rotating shaft; a large gear ring is arranged on the top of the different-diameter gear, and a small gear ring is arranged at the bottom of the different-diameter gear. According to the utility model, a dynamic heating mode is adopted, plating liquid at the center and the edge inside the chromium plating bath body can be uniformly heated, and the heating uniformity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to chromium plating equipment technical field, concretely is a kind of high adhesion force chromium plating bath of chromium plating tank uniform heating structure. BACKGROUND

[0002] Chromium plating is a kind of process on metal electroplating thin chromium layer, to enhance its wear resistance, corrosion resistance and aesthetic, high adhesion force chromium plating bath usually refers to those that can provide strong adhesion force chromium plating layer electroplating solution, the characteristics of this kind of plating solution include high current efficiency, wide bright current density range, good covering capacity and excellent adhesion.

[0003] Before electroplating, chromium plating bath in the chromium plating tank must be heated by electric heating rod first, so that plating solution reaches a certain temperature before electroplating operation, however, electric heating rod is generally fixedly installed in chromium plating tank, and its heat release range is fixed, so it is easy to appear uneven heating condition, especially the plating solution in the center and edge of chromium plating tank, the temperature difference is large, which affects the subsequent electroplating effect, therefore, we propose a kind of high adhesion force chromium plating bath of chromium plating tank uniform heating structure. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of high adhesion force chromium plating bath of chromium plating tank uniform heating structure to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high adhesion force chromium plating bath of chromium plating tank uniform heating structure, including chromium plating tank body, the inside of chromium plating tank body is provided with heating seat, and the bottom of the heating seat is equipped with equidistant electric heating tube, the top of chromium plating tank body is fixed with mechanism cover body, the bottom of mechanism cover body is provided with movable plate, and the top of movable plate is provided with high position tooth at the center position, and the top of movable plate is provided with low position tooth on the both sides of high position tooth, the top of mechanism cover body is equipped with rotating shaft by bearing, and one end of rotating shaft is fixed with different-diameter gear, the top of different-diameter gear is provided with big gear ring, and the bottom of different-diameter gear is provided with small gear ring, the other end of rotating shaft is equipped with pinion, the above of pinion is equipped with servo motor, and the output of servo motor is equipped with big gear, and big gear and pinion are closely engaged.

[0006] Preferably, the two outer walls of the bottom of the mechanism cover body are provided with open grooves, and the two ends of the movable plate extend to the outside of the mechanism cover body through the open grooves.

[0007] Preferably, the small gear ring and the high position tooth are closely engaged, and the big gear ring and the low position tooth are closely engaged.

[0008] Preferably, guide rods are welded to both sides inside the housing of the mechanism, and a sliding sleeve is slidably fitted on the outer wall of the guide rod. The bottom end of the sliding sleeve is welded to the movable plate to guide the movement of the movable plate.

[0009] Preferably, a guide groove is provided at the top of the chrome plating tank body below the movable plate, and a guide roller is installed at the bottom of the movable plate at the position of the guide groove. The guide roller and the guide groove cooperate with each other to improve the stability of the movable plate and at the same time reduce frictional resistance.

[0010] Preferably, a titanium plate liner is fixed on the inner wall of the chrome plating tank body, and a polytetrafluoroethylene sleeve is fixed on the outside of the heating tube, which can prevent the chrome plating tank body and the heating tube from being corroded and extend their service life.

[0011] Preferably, a liquid addition pipe is installed on the outer wall of one side of the chrome plating tank body, and one end of the liquid addition pipe is threaded with a sealing cap for adding plating solution.

[0012] Preferably, a drain pipe is installed on the outer wall of the bottom of the chrome plating tank body, and a drain valve is installed inside the drain pipe for draining the plating solution.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The heating element heats the high-adhesion chromium plating solution inside the chromium plating tank. During the heating process, a servo motor drives a large gear to rotate, which in turn drives a small gear to rotate a shaft, causing a gear with a different diameter to rotate. As the gear with the different diameter rotates, it drives a movable plate to move through the meshing of a small gear ring and a high-position convex tooth, as well as the meshing of a large gear ring and a low-position convex tooth. The forward and reverse rotation of the gear with the different diameter causes the movable plate to move left and right. The movable plate drives the heating base and the heating element to move, causing the heating element to move continuously inside the chromium plating tank. By moving, the heating range is changed, thus ensuring uniform heating of the plating solution at the center and edges of the chromium plating tank. This dynamic heating method improves the uniformity of heating. Attached Figure Description

[0015] Figure 1 This is a front view cross-sectional structural diagram of the present invention;

[0016] Figure 2 This is an enlarged structural diagram of the mechanism cover of this utility model;

[0017] Figure 3 This is a side view sectional structural diagram of the present invention;

[0018] Figure 4 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle;

[0019] Figure 5 The electric heating tube amplification structure of the utility model is shown in the figure.

[0020] In the figure: 1, chrome plating tank body; 101, titanium plate lining; 2, mechanism cover body; 201, open slot; 3, reducer gear; 301, large gear ring; 302, small gear ring; 4, movable plate; 401, low position protruding tooth; 402, high position protruding tooth; 5, heating seat; 6, electric heating tube; 601, polytetrafluoroethylene pipe sleeve; 7, liquid discharge pipe; 8, liquid discharge valve; 9, guide rod; 10, sliding sleeve; 11, rotating shaft; 12, servo motor; 13, large gear; 14, small gear; 15, liquid feeding pipe; 16, sealing cover; 17, guide roller groove; 18, guide roller. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of high adhesion force chrome plating bath uniform heating structure of chrome plating tank, including chrome plating tank body 1, the inside of chrome plating tank body 1 is provided with heating seat 5, and the bottom end of heating seat 5 is equipped with equidistant electric heating tube 6, the top of chrome plating tank body 1 is fixed with mechanism cover body 2, the bottom of mechanism cover body 2 is provided with movable plate 4, and the top of movable plate 4 is provided with high position protruding tooth 402 at the center position, and the top of movable plate 4 is provided with low position protruding tooth 401 on the both sides of high position protruding tooth 402;

[0024] The top of the mechanism cover body 2 is provided with a rotating shaft 11 through a bearing, and one end of the rotating shaft 11 is fixed with a reducer gear 3, the top of the reducer gear 3 is provided with a large gear ring 301, the bottom of the reducer gear 3 is provided with a small gear ring 302, the other end of the rotating shaft 11 is provided with a pinion 14, the upper side of the pinion 14 is provided with a servo motor 12, and the output end of the servo motor 12 is provided with a large gear 13, the large gear 13 is tightly engaged with the pinion 14;

[0025] Specifically, the electrothermal tube 6 heats the high-attachment-force chromium plating solution in the chromium plating tank body 1, in the heating process, the servo motor 12 drives the large gear 13 to rotate, so that the pinion 14 drives the rotating shaft 11 to rotate, so that the reducer gear 3 rotates, in the process of rotating the reducer gear 3, the reducer gear 3 drives the movable plate 4 to translate through the meshing of the small gear ring 302 and the high-positioned convex tooth 402, and the meshing of the large gear ring 301 and the low-positioned convex tooth 401, the forward and reverse rotation of the reducer gear 3 drives the movable plate 4 to translate left and right, the movable plate 4 drives the heating seat 5 and the electrothermal tube 6 to translate, so that the electrothermal tube 6 moves in the chromium plating tank body 1, the heating range is changed by moving, so that the solution at the center and the edge of the chromium plating tank body 1 can be uniformly heated, and the dynamic heating mode is adopted, so that the uniformity of heating is improved;

[0026] The two outer walls of the bottom of the mechanism cover body 2 are provided with open grooves 201, and the two ends of the movable plate 4 extend to the outside of the mechanism cover body 2 through the open grooves 201;

[0027] The small gear ring 302 is tightly engaged with the high-positioned convex tooth 402, and the large gear ring 301 is tightly engaged with the low-positioned convex tooth 401;

[0028] The two sides of the inside of the mechanism cover body 2 are welded with guide rods 9, and the outer wall of the guide rod 9 is slidably sleeved with a sliding sleeve 10, and the bottom end of the sliding sleeve 10 is welded with the movable plate 4;

[0029] The top end of the chromium plating tank body 1 below the movable plate 4 is provided with a guide rolling groove 17, and the bottom end of the movable plate 4 at the position of the guide rolling groove 17 is provided with a guide roller 18, and the guide roller 18 cooperates with the guide rolling groove 17;

[0030] Specifically, in the process of translating the movable plate 4, the movable plate 4 drives the sliding sleeve 10 to translate along the guide rod 9, and the movable plate 4 is guided to move, the guide roller 18 at the bottom end of the movable plate 4 rolls along the guide rolling groove 17, and the movable plate 4 is supported and guided, so that the stability of the movable plate 4 is improved, and the frictional resistance is reduced;

[0031] The inner wall of the chromium plating tank body 1 is fixed with a titanium plate lining 101, and the outer part of the electrothermal tube 6 is fixed with a polytetrafluoroethylene pipe sleeve 601;

[0032] Further, the titanium plate lining 101 on the inner wall of the chromium plating tank body 1 and the polytetrafluoroethylene sleeve 601 outside the electric heating tube 6 have strong corrosion resistance, which can prevent the chromium plating tank body 1 and the electric heating tube 6 from being corroded, and prolong the service life;

[0033] The liquid adding pipe 15 is installed on the outer wall of one side of the chromium plating tank body 1, and a sealing cover 16 is threadedly connected to one end of the liquid adding pipe 15.

[0034] The liquid discharging pipe 7 is installed on the outer wall of the bottom of the chromium plating tank body 1, and the liquid discharging valve 8 is installed in the liquid discharging pipe 7.

[0035] In use, the high-adhesion chromium plating solution in the chromium plating tank body 1 is heated by the electric heating tube 6. In the heating process, the servo motor 12 drives the large gear 13 to rotate, the small gear 14 drives the rotating shaft 11 to rotate, the step gear 3 rotates, the step gear 3 drives the movable plate 4 to translate through the meshing of the small gear ring 302 and the high-positioned tooth 402 and the meshing of the large gear ring 301 and the low-positioned tooth 401, the forward and reverse rotation of the step gear 3 drives the movable plate 4 to translate left and right, the movable plate 4 drives the heating seat 5 and the electric heating tube 6 to translate, and the electric heating tube 6 moves in the chromium plating tank body 1 to change the heating range, so that the solution at the center and the edge of the chromium plating tank body 1 can be uniformly heated. The dynamic heating mode improves the uniformity of heating. In the translation process of the movable plate 4, the movable plate 4 drives the sliding sleeve 10 to translate along the guide rod 9 to guide the movement of the movable plate 4, the guide roller 18 at the bottom end of the movable plate 4 rolls along the guide groove 17 to support and guide the movable plate 4, thereby improving the stability of the movable plate 4 and reducing the frictional resistance. The titanium plate lining 101 on the inner wall of the chromium plating tank body 1 and the polytetrafluoroethylene sleeve 601 outside the electric heating tube 6 have strong corrosion resistance, which can prevent the chromium plating tank body 1 and the electric heating tube 6 from being corroded, and prolong the service life.

[0036] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

Claims

1. A high adhesion force chromium plating bath uniform heating structure of a chromium plating tank, comprising a chromium plating tank body (1), the inside of the chromium plating tank body (1) is provided with a heating seat (5), and the bottom end of the heating seat (5) is installed with equidistant electric heating pipes (6), characterized in that, The top end of the chromium plating tank body (1) is fixed with a mechanism cover body (2), the bottom of the mechanism cover body (2) is provided with a movable plate (4), the top end of the movable plate (4) is provided with a high tooth (402) at the center position, the top end of the movable plate (4) on both sides of the high tooth (402) is provided with a low tooth (401), the top of the mechanism cover body (2) is installed with a rotating shaft (11) through a bearing, one end of the rotating shaft (11) is fixed with a reducer gear (3), the top of the reducer gear (3) is provided with a large gear ring (301), the bottom of the reducer gear (3) is provided with a small gear ring (302), the other end of the rotating shaft (11) is installed with a pinion (14), the upper of the pinion (14) is installed with a servo motor (12), the output end of the servo motor (12) is installed with a large gear (13), the large gear (13) is closely engaged with the pinion (14).

2. The uniform heating structure of a chromium plating tank of a high adhesion force chromium plating solution according to claim 1, characterized in that: The two outer walls of the bottom of the mechanism cover body (2) are provided with an open slot (201), the two ends of the movable plate (4) pass through the open slot (201) and extend to the outside of the mechanism cover body (2).

3. The uniform heating structure of a chromium plating tank of a high adhesion force chromium plating solution according to claim 1, characterized in that: The small gear ring (302) is closely engaged with the high tooth (402), and the large gear ring (301) is closely engaged with the low tooth (401).

4. The uniform heating structure of a chromium plating bath of a high adhesion force chromium plating solution according to claim 1, characterized in that: The two sides of the inside of the mechanism cover body (2) are welded with a guide rod (9), and the outer wall of the guide rod (9) is slidably sleeved with a sliding sleeve (10), and the bottom end of the sliding sleeve (10) is welded with the movable plate (4).

5. The uniform heating structure of a chromium plating bath of a high adhesion force chromium plating solution according to claim 1, characterized in that: The top end of the chromium plating tank body (1) below the movable plate (4) is provided with a guide roller groove (17), and the bottom end of the movable plate (4) at the position of the guide roller groove (17) is installed with a guide roller (18), and the guide roller (18) cooperates with the guide roller groove (17).

6. The uniform heating structure of a chromium plating bath of a high adhesion force chromium plating solution according to claim 1, characterized in that: The inner wall of the chromium plating tank body (1) is fixed with a titanium plate lining (101), and the outer part of the electric heating tube (6) is fixed with a polytetrafluoroethylene tube sleeve (601).

7. The uniform heating structure of a chromium plating bath of a high adhesion force chromium plating solution according to claim 1, characterized in that: The outer wall of one side of the chromium plating tank body (1) is installed with a liquid adding pipe (15), and one end of the liquid adding pipe (15) is threadedly connected with a sealing cover (16).

8. The uniform heating structure of a chromium plating bath of a high adhesion force chromium plating solution according to claim 1, characterized in that: The outer wall of the bottom of the chromium plating tank body (1) is installed with a liquid discharging pipe (7), and the inside of the liquid discharging pipe (7) is installed with a liquid discharging valve (8).

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