阅读说明：本技术 一种襟翼滑轨镀铬夹具及方法 (flap slide rail chrome plating clamp and method ) 是由 李永杰 陈德 何伟 王志高 于 2019-10-27 设计创作，主要内容包括：本发明提出一种襟翼滑轨镀铬夹具及方法,首先将襟翼滑轨放入镀铬夹具中,采用定位螺栓组件将待加工的襟翼滑轨的中间孔与夹具体中部连接孔固定连接,将襟翼滑轨在宽度方向定位；其次采用吊钩阴极导电组件中的轴穿过夹具体端部连接孔以及待加工的襟翼滑轨的端部孔并紧固,将襟翼滑轨在夹具中完全定位；最后用行车吊钩穿入吊钩阴极导电组件上部吊钩中,按标准镀铬工艺完成襟翼滑轨镀铬。本发明夹具体采用不锈钢薄板焊接,铅锑合金板固定在夹具体上,既减轻夹具了重量,又保证夹具不变形；取消原夹具侧面阳极板,使电镀过程中电力线分布达到最佳状态,消除了产品棱边处的尖端放电现象,4个R1.5棱边处镀层光滑,无粗糙铬瘤。(The invention provides a chromium plating clamp and a method for flap slide rails, which comprises the steps of firstly placing the flap slide rail into a chromium plating clamp, fixedly connecting a middle hole of the flap slide rail to be processed with a connecting hole in the middle of a clamp body by a positioning bolt assembly, positioning the flap slide rail in the width direction, secondly, penetrating a shaft in a hook cathode conductive assembly through a connecting hole at the end part of the clamp body and a hole at the end part of the flap slide rail to be processed and fastening, completely positioning the flap slide rail in the clamp, finally, penetrating a crane hook into a hook at the upper part of the hook cathode conductive assembly, and completing the chromium plating of the flap slide rail according to a standard chromium plating process.)

The utility model provides a flap slide rail chromium plating clamp, which is characterized by comprising a clamp body, an anode plate component, a positioning bolt component, a hook cathode conductive component and an anode conductive component;

the middle part and the end part of the clamp body are provided with connecting holes, and the positions of the connecting holes correspond to the positions of a middle hole and an end hole of the flap slide rail to be processed;

the anode plate assembly comprises an upper anode plate, a lower anode plate, an insulating plate, insulating bolts, a supporting plate and an anode connecting plate, wherein the lower anode plate is fixedly arranged on a bottom plate of an arc-shaped cavity of the clamp body through the insulating bolts;

the positioning bolt assembly is made of non-conductive materials and is used for fixedly connecting a middle hole of the flap slide rail to be processed with a connecting hole in the middle of the clamp body after the flap slide rail to be processed is installed in the clamp body;

the hook cathode conducting component comprises a hook, a connecting rod, a shaft and an insulating sleeve, wherein the hook is fixedly connected to the end of the connecting rod , the other end of the connecting rod is positioned in an arc-shaped cavity of the clamp body with a connecting hole end, and the shaft penetrates through the connecting hole at the end part of the clamp body and the end part hole of the flap slide rail to be processed and is connected to the connecting rod;

the anode conductive assembly consists of a conductive hook and a cable and is fixedly connected with the extension section of the lower anode plate;

when the flap slide rail to be processed is installed in the fixture body through the middle hole and the end hole, the bottom structure of the I-shaped section of the flap slide rail is positioned between the upper anode plate and the lower anode plate, and the distance between the top surface of the bottom structure and the upper anode plate is equal to the distance between the bottom surface of the bottom structure and the lower anode plate; the two side surfaces of the bottom structure are not provided with anodes at corresponding positions, and the distance from the two side surfaces of the bottom structure to the opposite insulating plate is equal to 1.5 to 2 times of the distance between the top surface of the bottom structure and the upper anode plate.

2. The chrome-plated clamp for the flap slide rail according to claim 1, wherein the clamp body is formed by welding stainless steel plates.

3. The chrome-plating clamp for the flap slide rail according to claim 1, wherein the positioning bolt assembly consists of a polytetrafluoroethylene bolt, a positioning sleeve and an insulating nut.

4. The method for carrying out chrome plating on the flap slide rail by utilizing the chrome plating clamp for the flap slide rail of claim 1 is characterized by comprising the following steps of:

step 1: placing the flap slide rail into a chromium plating clamp, fixedly connecting a middle hole of the flap slide rail to be processed with a connecting hole in the middle of the clamp body by adopting a positioning bolt assembly, and positioning the flap slide rail in the width direction;

step 2: a shaft in the lifting hook cathode conductive assembly penetrates through a connecting hole at the end part of the clamp body and an end part hole of a flap slide rail to be processed and is fastened, and the flap slide rail is completely positioned in the clamp;

and step 3: and (3) penetrating a crane hook into the hook at the upper part of the hook cathode conductive component, and finishing the chromium plating of each surface of the bottom structure of the I-shaped cross section of the flap slide rail according to a standard chromium plating process.

Technical Field

The invention relates to the technical field of surface treatment, in particular to chrome plating clamps and a method for a flap slide rail.

Background

As shown in figure 1, the flap slide rail is a large curved surface part, the length of the flap slide rail is about 1.4 meters, the cross section of the flap slide rail is in an I shape, a middle hole is arranged on the middle section of the flap slide rail, an end hole is arranged at the end part of the end of the flap slide rail, chromium plating is needed on the surface of a bottom structure of the I-shaped cross section of the flap slide rail, the bottom structure comprises a bottom surface C surface of the bottom structure, a top surface A surface of the bottom structure, two side surfaces B surfaces of the bottom structure and 4R 1.5 transition surfaces between the B surface and the A surface and the C surface.

The chrome plating clamp originally used by the applicant is made of integral lead-antimony alloy and has the following defects:

1. the lead-antimony alloy material is low in hardness and easy to deform, and after each flap slide rail is installed in the chromium plating fixture, the fixture needs to be corrected, so that the plated surfaces of the lead-antimony alloy anode and the flap slide rail are guaranteed.

2. Rough chrome nodules are arranged at the edges of 4R 1.5, and polishing is needed after plating.

3. The clamp is heavy, and the operation is inconvenient; the manufacturing cost is high.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides chromium plating clamps which are convenient to operate and can ensure the coating quality of a flap slide rail, and compared with the existing chromium plating clamps of flap slide rails, the chromium plating clamps have the following advantages:

1. the clamp body is welded by a stainless steel thin plate, the lead-antimony alloy plate is fixed on the clamp body, the weight of the clamp is reduced, the clamp is not deformed in use, an operator can plate chromium only by putting the flap slide rail into the clamp, and the chromium plating efficiency is improved by 10-12 times.

2. The position and the size of the anode lead-antimony alloy plate are adjusted, the point discharge phenomenon at the edge of a product in the electroplating process is eliminated, the plating layer at the 4R 1.5 edges is smooth, no rough chrome nodules exist, and the grinding and polishing processes are reduced.

3. The cathode conducting rod and the lifting device are combined, the clamp structure is simplified, and a special lifting appliance is not needed when the chromium-plated clamp is used.

The technical scheme of the invention is as follows:

the kinds of flap slide rail chrome plating clamps are characterized by comprising a clamp body 1, an anode plate component, a positioning bolt component, a lifting hook cathode conductive component and an anode conductive component 18;

the middle part and the end part of the clamp body 1 are provided with connecting holes, and the positions of the connecting holes correspond to the positions of a middle hole and an end hole of the flap slide rail to be processed;

the anode plate assembly comprises an upper anode plate 3, a lower anode plate 2, an insulating plate 9, an insulating bolt 7, a supporting plate 8 and an anode connecting plate 19, wherein the lower anode plate 2 is fixedly arranged on a bottom plate of an arc-shaped cavity of the clamp body 1 through the insulating bolt 7, the upper anode plate 3 is fixedly arranged on the inner side of an opening plate at the upper part of the arc-shaped cavity of the clamp body 1 through the insulating bolt 7, the supporting plate 8 is fixedly arranged on two side walls of the arc-shaped cavity of the clamp body 1 through the insulating bolt 7 and is used for supporting the upper anode plate 3 and the lower anode plate 2, the anode connecting plate 19 is fixedly arranged on two side walls of the arc-shaped cavity of the clamp body 1 through the insulating bolt 7 in an -end arc-shaped cavity without a connecting hole of the clamp body 1, and the upper anode plate 3 is communicated with the lower anode plate 2 through the anode connecting plate 19, and the;

the positioning bolt assembly is made of non-conductive materials and is used for fixedly connecting a middle hole of the flap slide rail to be machined with a connecting hole in the middle of the clamp body 1 after the flap slide rail to be machined is installed in the clamp body 1;

the hook cathode conducting assembly comprises a hook 10, a connecting rod 13, a shaft and an insulating sleeve 15, wherein the hook 10 is fixedly connected to the end of the connecting rod 13 , the other end of the connecting rod 13 is positioned in an arc-shaped cavity of the clamp body 1 with a connecting hole , the shaft penetrates through the connecting hole at the end part of the clamp body 1 and the end part hole of the flap slide rail to be processed and is connected to the connecting rod 13, and the insulating sleeve 15 is arranged between the shaft and the clamp body 1;

the anode conductive component 18 consists of a conductive hook and a cable and is fixedly connected with the extension section of the lower anode plate;

after the flap slide rail to be processed is installed in the fixture body 1 through the middle hole and the end hole, the bottom structure of the I-shaped section of the flap slide rail is positioned between the upper anode plate 3 and the lower anode plate 2, and the distance between the top surface of the bottom structure and the upper anode plate 3 is equal to the distance between the bottom surface of the bottom structure and the lower anode plate 2; the corresponding position of the two side surfaces of the bottom structure is not provided with an anode, and the distance from the two side surfaces of the bottom structure to the opposite insulating plate 9 is equal to 1.5 to 2 times of the distance between the top surface of the bottom structure and the upper anode plate 2.

, the chromium-plated flap slide rail clamp is characterized in that the clamp body 1 is formed by welding stainless steel plates.

, the chromium plating clamp for the flap slide rail is characterized in that the positioning bolt assembly consists of a polytetrafluoroethylene bolt 4, a positioning sleeve 5 and an insulating nut 6.

The method for carrying out chrome plating on the flap slide rail by using the clamp is characterized by comprising the following steps: the method comprises the following steps:

step 1: placing the flap slide rail into a chromium plating clamp, fixedly connecting a middle hole of the flap slide rail to be processed with a connecting hole in the middle of the clamp body 1 by adopting a positioning bolt assembly, and positioning the flap slide rail in the width direction;

step 2: a shaft in the lifting hook cathode conductive assembly penetrates through a connecting hole at the end part of the clamp body 1 and an end part hole of the flap slide rail to be processed and is fastened, and the flap slide rail is completely positioned in the clamp;

and step 3: and (3) penetrating a crane hook into the hook at the upper part of the hook cathode conductive component, and finishing the chromium plating of each surface of the bottom structure of the I-shaped cross section of the flap slide rail according to a standard chromium plating process.

Advantageous effects

The invention mainly solves the problems of low chrome plating efficiency, unstable plating quality and rough chrome tumors at edges of the existing flap slide rail. Compared with the original tool, the chromium plating clamp for the flap slide rail disclosed by the invention has the advantages that the chromium plating can be carried out after the product is placed into the clamp and two bolts are fixed, the plated surface of the flap slide rail is uniform, the plating layers at 4R 1.5 edges are smooth, no rough chrome nodules exist, the quality of the plating layers is stable, the polishing process is cancelled, and the efficiency is improved by 10-12 times.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a product diagram:

FIG. 2 is a front view of a chrome-plated clamp for a flap slide rail according to the invention:

FIG. 3 is a cross-sectional view A-A of the chrome plating clamp for the flap slide rail according to the patent of the invention:

FIG. 4 is a cross-sectional view B-B of the chrome plating clamp for the flap slide rail according to the patent of the invention:

FIG. 5 is a C-C sectional view of the chrome plating fixture for the flap slide rail according to the patent of the invention:

Detailed Description

The following detailed description of embodiments of the invention is intended to be illustrative, and not to be construed as limiting the invention.

As shown in fig. 2 to 5, in the chromium plating jig for flap tracks of in this embodiment, two mounting holes on the flap track are used to fix the flap track in the chromium plating jig, so that the plated surface A, B, C of the flap track is fixed to the anode (as shown in fig. 2) to ensure the plating quality.

The clamp comprises a clamp body 1, an anode plate assembly, a positioning bolt assembly, a hook cathode conductive assembly and an anode conductive assembly 18.

The clamp body 1 is formed by welding stainless steel plates, so that the weight is reduced, the integral rigidity of the chromium plating clamp is improved, and the chromium plating clamp is prevented from deforming.A curved cavity is arranged in the clamp body 1, the curvature change of the curved cavity is the same as that of a flap slide rail to be processed shown in figure 1, connecting holes are formed in the middle of the clamp body 1 and the end part of the clamp body , and the positions of the connecting holes correspond to the positions of a middle hole and an end hole of the flap slide rail to be processed.

The anode plate assembly comprises an upper anode plate 3, a lower anode plate 2, an insulating plate 9, an insulating bolt 7, a supporting plate 8 and an anode connecting plate 19.

The lower anode plate 2 is fixedly arranged on a bottom plate of the arc-shaped cavity of the fixture body 1 through an insulating bolt 7; the upper anode plate 3 is fixedly arranged on the inner side of an opening plate at the upper part of the arc-shaped cavity of the fixture body 1 through an insulating bolt 7; the supporting plate 8 is fixedly arranged on two side walls of the arc-shaped cavity of the fixture body 1 through insulating bolts 7 and used for supporting the upper anode plate 3 and the lower anode plate 2 in an auxiliary mode.

In an end arc-shaped cavity without a connecting hole of the fixture body 1, an anode connecting plate 19 is fixedly arranged on two side walls of the arc-shaped cavity of the fixture body 1 through an insulating bolt 7, the upper anode plate 3 is communicated with the lower anode plate 2 through the anode connecting plate 19, and insulating plates 9 are arranged between the upper anode plate 3, the lower anode plate 2, a supporting plate 8 and the anode connecting plate 19 and the fixture body 1.

The positioning bolt assembly is made of non-conductive materials and comprises a polytetrafluoroethylene bolt 4, a positioning sleeve 5 and an insulating nut 6. After the flap slide rail to be processed is installed in the fixture body 1, the middle hole of the flap slide rail to be processed is fixedly connected with the middle connecting hole of the fixture body 1, so that the plated surface A, B, C of the product and the upper and lower anode plates are in fixed positions.

The hook cathode conducting assembly comprises a hook 10, a bolt 11, a nut 12, a connecting rod 13, a short shaft 14, an insulating sleeve 15, a round nut 16 and a long shaft 17, wherein the hook 10 is fixedly connected to the end of the connecting rod 13 , the other end of the connecting rod 13 is arranged in an arc-shaped cavity of the clamp body 1 with a connecting hole , the long shaft 17 penetrates through the connecting hole at the end of the clamp body 1 and the end hole of the flap slide rail to be processed and is connected to the other end of the connecting rod 13, the round nut 16 is screwed, the short shaft 14 penetrates through the other side and is screwed into the round nut 16, and the insulating sleeve 15 is arranged between the long shaft 17 and the.

The anode conductive component 18 is composed of a conductive hook and a cable, and is fixedly connected with the extension section of the lower anode plate by a bolt and a nut.

After the flap slide rail to be processed is installed in the fixture body 1 through the middle hole and the end hole, the bottom structure of the I-shaped section of the flap slide rail is positioned between the upper anode plate 3 and the lower anode plate 2, and the distance between the top surface of the bottom structure and the upper anode plate 3 is equal to the distance between the bottom surface of the bottom structure and the lower anode plate 2; the corresponding positions of the two side surfaces of the bottom structure are not provided with anodes, the distance between the two side surfaces of the bottom structure and the opposite insulating plate 9 is equal to 1.5 to 2 times of the distance between the top surface of the bottom structure and the upper anode plate 2, and under the distance, the plating layers at the 4R 1.5 edges are smooth and have no rough chrome nodules according to the standard chromium plating process operation.

The method for carrying out chrome plating on the flap slide rail by using the clamp comprises the following steps:

step 1: placing the flap slide rail into a chromium plating clamp, fixedly connecting a middle hole of the flap slide rail to be processed with a connecting hole in the middle of the clamp body 1 by adopting a positioning bolt assembly, and positioning the flap slide rail in the width direction;

step 2: a shaft in the lifting hook cathode conductive assembly penetrates through a connecting hole at the end part of the clamp body 1 and an end part hole of the flap slide rail to be processed and is fastened, and the flap slide rail is completely positioned in the clamp;

and step 3: and (3) penetrating a crane hook into the hook at the upper part of the hook cathode conductive component, and finishing the chromium plating of each surface of the bottom structure of the I-shaped cross section of the flap slide rail according to a standard chromium plating process.

By adopting the chromium plating clamp for the flap slide rail, the clamp body is welded by adopting the stainless steel thin plate, and the lead-antimony alloy plate is fixed on the clamp body, so that the weight of the clamp is reduced, and the clamp is ensured not to deform in use; an anode plate on the side surface (corresponding to the plated surface B of the product) of the original clamp is eliminated, so that the power line distribution in the electroplating process reaches the optimal state, the point discharge phenomenon at the edge of the product is eliminated, and the 4R 1.5 edges have smooth plating layers and no rough chrome nodules.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.