CN213925109U

CN213925109U - Part internal and external surface black chromium plating anchor clamps

Info

Publication number: CN213925109U
Application number: CN202023067875.3U
Authority: CN
Inventors: 苏展; 彭建科; 杨冰
Original assignee: Xi'an Chengli Aviation Manufacturing Co ltd
Current assignee: Xi'an Chengli Aviation Manufacturing Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-10
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses an inside and outside surface black chromium plating anchor clamps of part, which comprises a hook, couple below and electrically conductive frame fixed connection, electrically conductive frame below is through head rod fixed connection, the head rod passes through bolt fixed connection with the engaging lug, engaging lug below and second connecting rod fixed connection, it has the top board to peg graft on the guide bar, top board and guide bar swing joint, the bottom board top is equipped with the lower clamp splice that a plurality of equidistance were arranged, the clamp splice is gone up to the top board below. According to the clamp for plating the black chromium on the inner surface and the outer surface of the part, a proper chuck can be selected according to the size of the inner hole of the part, the inner hole of the part is arranged on the lower chuck and is compressed through the upper chuck, and fixation can be achieved, so that a plurality of parts are electroplated. The black chromium plating fixture has the advantages of simple structure, convenience in operation, no need of replacing the whole fixture, capability of plating parts of various specifications on the same fixture, and effective improvement on production efficiency.

Description

Part internal and external surface black chromium plating anchor clamps

Technical Field

The utility model relates to a chromium plating anchor clamps technical field specifically is a black chromium plating anchor clamps of part internal and external surface.

Background

Because of their excellent properties, chromium coatings, which are widely used as an outer skin and functional coating for protecting a decorative coating system, have always been an important place in the electroplating industry. With the development of science and technology and the increasing attention of people to environmental protection, new processes such as micro-crack and micro-pore chromium, black chromium, loose pore chromium, low-concentration chromium plating, high-efficiency hard chromium plating, trivalent chromium plating, rare earth chromium plating and the like are developed on the basis of the traditional chromium plating, so that the application range of the chromium plating layer is further expanded. The chromium coating has good chemical stability, does not act in alkali, sulfide, nitric acid and most of organic acids, can effectively prolong the service life of parts, and has stable gravity center of the single part when the parts with small number of parts and long and large inner holes are subjected to chromium plating, so that the condition of short circuit between the cathode and the anode is not easy to occur. When the number of parts is large, the batch size is large, the workpieces are not large (the diameter is about 20mm to 40 mm), and the inner surface and the outer surface of the parts are required to be electroplated, a common hanger is adopted for independent hanging, manpower and material resources are wasted, and the efficiency is low. Therefore, a black chromium plating clamp for the inner and outer surfaces of the part is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inside and outside surface black chromium plating anchor clamps of part to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a black chromium plating clamp for the inner and outer surfaces of a part comprises a hook, wherein the lower part of the hook is fixedly connected with a conductive frame, the conductive frame is U-shaped, the lower part of the conductive frame is fixedly connected through a first connecting rod, both ends of the first connecting rod are provided with threaded holes, a bolt is inserted in the threaded hole, the first connecting rod is fixedly connected with the connecting lug through the bolt, the lower part of the connecting lug is fixedly connected with a second connecting rod, the two ends of the second connecting rod are fixedly connected with a third connecting rod, the lower part of the third connecting rod is fixedly connected with the lower pressing plate, two symmetrical guide rods are arranged between the second connecting rod and the lower pressing plate, the guide bar is inserted with an upper pressure plate, the upper pressure plate is movably connected with the guide bar, a plurality of lower clamping blocks are arranged at equal intervals above the lower pressure plate, and an upper clamping block matched with the lower clamping blocks is arranged below the upper pressure plate.

Preferably, the middle part is equipped with the fixed plate in the electrically conductive frame, the fixed plate middle part is through organic glass insulating boot and pictographic anode fixed connection, pictographic anode upper end is equipped with the copper line.

Preferably, the upper end of the lower clamping block is provided with a conical block, and the lower end of the upper clamping block is provided with a conical groove matched with the conical block.

Preferably, the hook and the conductive frame are all red copper rods.

Compared with the prior art, the beneficial effects of the utility model are that: according to the clamp for plating the black chromium on the inner surface and the outer surface of the part, a proper chuck can be selected according to the size of an inner hole of the part and is fixed on the first connecting rod through threads, the inner hole of the part is arranged on the lower chuck and is compressed through the upper chuck, and fixation can be achieved, so that a plurality of parts are electroplated. The black chromium plating fixture has the advantages of simple structure, convenience in operation, no need of replacing the whole fixture, capability of plating parts of various specifications on the same fixture, and effective improvement on production efficiency.

Drawings

Fig. 1 is a schematic view of the connection state of the present invention;

fig. 2 is a schematic view of the split state of the present invention;

fig. 3 is a cross-sectional view of the upper chuck of the present invention;

in the figure: the connecting device comprises a hook 1, a conductive frame 2, a first connecting rod 3, a threaded hole 4, a connecting lug 5, a second connecting rod 6, a third connecting rod 7, a lower pressing plate 8, a guide rod 9, an upper pressing plate 10, a lower clamping block 11, an upper clamping block 12, a fixing plate 13, an organic glass insulating sleeve 14, a pictographic anode 15, a copper wire 16, a conical block 17 and a conical groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a black chromium plating clamp for the inner and outer surfaces of a part comprises a hook 1, wherein the hook 1 is used for fixing the whole clamp, the lower part of the hook 1 is fixedly connected with a conductive frame 2, the conductive frame 2 is U-shaped, the lower part of the conductive frame 2 is fixedly connected with a first connecting rod 3, both ends of the first connecting rod 3 are provided with threaded holes 4, bolts are inserted in the threaded holes 4, the first connecting rod 3 is fixedly connected with a connecting lug 5 through bolts, the first connecting rod 3 is connected with the connecting lug 5 through the bolts, so that when the part is electroplated, the whole clamp is not required to be replaced by replacing a matched chuck, the working efficiency is greatly improved, the lower part of the connecting lug 5 is fixedly connected with a second connecting rod 6, both ends of the second connecting rod 6 are fixedly connected with a third connecting rod 7, and the lower part of the third connecting rod 7 is fixedly connected with a lower pressing plate 8, be equipped with the guide bar 9 of two symmetries between second connecting rod 6 and the holding down plate 8, it has top board 10 to peg graft on the guide bar 9, top board 10 and guide bar 9 swing joint, 8 tops of holding down plate are equipped with a plurality of equidistant lower clamp splice 11 of arranging, top board 10 below be equipped with lower clamp splice 11 assorted last clamp splice 12, guide bar 9 plays the effect of direction to top board 10, makes top board 10 can carry out reciprocating motion, lower clamp splice 11 and last clamp splice 12 match each other, fix the part to electroplate, lower clamp splice 11 and last clamp splice 12 all are equipped with a plurality ofly, make a plurality of parts electroplate simultaneously, have improved work efficiency greatly, have saved manpower and materials.

Further say, the middle part is equipped with fixed plate 13 in electrically conductive frame 2, fixed plate 13 middle part is through organic glass insulating cover 14 and pictographic anode 15 fixed connection, pictographic anode 15 upper end is equipped with copper line 16, and pictographic anode 15 makes the current distribution on part surface more even, increases the planarization of coating film, improves part coating film quality, links to each other with the power positive pole through plus copper line 16, and organic glass insulating cover 14 has insulating nature, and the effectual negative and positive pole short circuit condition that prevents takes place.

Further, clamp splice 11 upper end is equipped with toper piece 17 down, go up clamp splice 12 lower extreme be equipped with toper piece 17 assorted bell jar 18, toper piece 17 can connect the hole and cooperate, makes toper piece 17 can be fixed mutually with the part, and toper piece 17 can be fixed the part of different hole sizes simultaneously, and the anchor clamps that make can electroplate simultaneously to the part of different sizes.

Further, couple 1 and electrically conductive frame 2 are red copper pole, and red copper has good heat conductivity, ductility and corrosion resistance, can effectual increase anchor clamps life.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inside and outside surface black chromium plating anchor clamps of part, includes couple (1), its characterized in that: the lower part of the hook (1) is fixedly connected with the conductive frame (2), the conductive frame (2) is U-shaped, the lower part of the conductive frame (2) is fixedly connected with a first connecting rod (3), both ends of the first connecting rod (3) are provided with threaded holes (4), bolts are inserted in the threaded holes (4), the first connecting rod (3) is fixedly connected with connecting lugs (5) through bolts, the lower part of the connecting lugs (5) is fixedly connected with a second connecting rod (6), both ends of the second connecting rod (6) are fixedly connected with a third connecting rod (7), the lower part of the third connecting rod (7) is fixedly connected with a lower pressing plate (8), two symmetrical guide rods (9) are arranged between the second connecting rod (6) and the lower pressing plate (8), an upper pressing plate (10) is inserted on the guide rods (9), and the upper pressing plate (10) is movably connected with the guide rods (9), the lower pressing plate (8) is provided with a plurality of lower clamping blocks (11) which are arranged at equal intervals, and an upper clamping block (12) matched with the lower clamping blocks (11) is arranged below the upper pressing plate (10).

2. The black chromium plating clamp for the inner and outer surfaces of the part according to claim 1, wherein: the middle part is equipped with fixed plate (13) in electrically conductive frame (2), fixed plate (13) middle part is through organic glass insulating cover (14) and pictographic anode (15) fixed connection, pictographic anode (15) upper end is equipped with copper line (16).

3. The black chromium plating clamp for the inner and outer surfaces of the part according to claim 1, wherein: the upper end of the lower clamping block (11) is provided with a conical block (17), and the lower end of the upper clamping block (12) is provided with a conical groove (18) matched with the conical block (17).

4. The black chromium plating clamp for the inner and outer surfaces of the part according to claim 1, wherein: the hook (1) and the conductive frame (2) are both red copper rods.