Anodic oxidation hanging tool suitable for circular workpiece

Abstract

The utility model relates to an anodic oxidation hanging tool, in particular to an anodic oxidation hanging tool suitable for a circular workpiece. Comprising a frame, a hook is fixedly connected to the center of the upper side face of the frame, a plurality of circular grooves are symmetrically and vertically formed in the two sides of the frame in an array mode, and clamping mechanisms are arranged in the circular grooves. According to the utility model, after a circular workpiece is inserted into the rotating sleeves and the circumferential side surface of the circular workpiece is positioned among the plurality of rollers, an operator drives the plurality of rotating sleeves to rotate synchronously through the rotating mechanism, so that the plurality of rollers clamp and fix the circular workpiece; the circular workpieces can be stably hung in anodic oxidation equipment through the hanging tool for anodic oxidation treatment, meanwhile, when the circular workpieces are clamped and fixed through the rollers, the contact area of the rollers and the circular workpieces is small, and the problem that the workpieces cannot be fully oxidized due to the fact that the shielded area of the workpieces is large is solved; and the anodic oxidation quality of the circular workpiece is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an anodic oxidation hanger, in particular to an anodic oxidation hanger suitable for circular workpieces. BACKGROUND

[0002] The anodic oxidation process of an aluminum alloy workpiece is a method of electrochemical oxidation, which places the aluminum alloy workpiece in a sulfuric acid solution to form a conductive loop system, and oxygen is precipitated on the cathode electrode, oxygen is generated on the anode, and a dense aluminum oxide film is formed by combining the aluminum profile surface on the anode to improve the protection, decoration, insulation and corrosion resistance of the aluminum alloy workpiece surface.

[0003] The oxidation hanger with good conductivity is a commonly used tool for workpiece mounting, and different tool hangers need to be designed for different types and specifications of parts. The existing hanger for circular workpieces has the problem of large contact area between the workpiece and the clamping part during clamping, which causes a large area of the workpiece surface fixed on the hanger to be blocked by the clamping part. The blocked area on the workpiece cannot be in full contact with the electrolyte in the anodic oxidation equipment, so that the anodic oxidation equipment cannot uniformly perform anodic oxidation treatment on the workpiece surface. SUMMARY

[0004] The utility model aims at providing an anodic oxidation hanger suitable for circular workpieces to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, one of the purposes of the utility model is to provide an anodic oxidation hanger suitable for circular workpieces, which comprises a frame, a hook is fixedly connected to the center of the upper side of the frame, a plurality of circular grooves are vertically arrayed on both sides of the frame, a clamping mechanism is arranged inside the circular groove, the clamping mechanism comprises a rotating sleeve rotatingly arranged inside the circular groove, a plurality of pads are annularly arrayed and fixedly connected to one side of the rotating sleeve close to the center of the frame, one support ring is fixedly connected to the other end of the plurality of pads, the support ring and the rotating sleeve are coaxially arranged, a plurality of sliding sleeves are annularly arrayed and rotatingly arranged between the support ring and the rotating sleeve, a clamping rod is slidingly arranged inside the sliding sleeve, one end of the clamping rod away from the axis of the rotating sleeve is rotatingly arranged on one side of the frame, a rotating mechanism is arranged on the frame, and the rotating mechanism is used to drive the plurality of rotating sleeves to rotate synchronously.

[0006] As a further improvement of the technical scheme, one end of the clamping rod close to the axis of the rotating sleeve is provided with a roller, and the roller is arranged in the circular region surrounded by the plurality of pads.

[0007] As a further improvement of the technical solution, the rotating mechanism comprises two racks arranged on the two sides of the frame, and a gear coaxially fixedly connected to the end of the rotating sleeve away from the center of the frame, wherein the gears are engaged with the two racks respectively.

[0008] As a further improvement of the technical solution, the rotating mechanism further comprises a baffle arranged on the side of the rack away from the rotating sleeve, wherein the baffle is fixedly arranged on one side of the frame, and the two ends of the baffle are fixedly connected with limiting sleeves, and the two limiting sleeves are slidingly sleeved on the rack.

[0009] As a further improvement of the technical solution, the rotating mechanism further comprises a threaded rod rotatably arranged on the bottom surface of the frame, wherein a connecting rod is threadedly connected to the threaded rod, two movable grooves are symmetrically arranged on the two sides of the frame near the lower end, and the two ends of the connecting rod pass through the two movable grooves and are fixed to the lower ends of the two racks.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] The anodizing hanger suitable for the circular workpiece can be used to stably hang the circular workpieces in the anodizing equipment for anodizing treatment, and when the plurality of rollers clamp and fix the circular workpieces, the contact area between the rollers and the circular workpieces is small, so that the problem of insufficient oxidation of the workpieces caused by a large shielding area of the workpieces is avoided, and the anodizing quality of the circular workpieces is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the structure of the frame of the utility model;

[0014] Figure 3 It is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0015] Figure 4 It is a schematic diagram of part of the structure of the clamping mechanism of the utility model;

[0016] Figure 5 It is a schematic diagram of the structure of the rotating mechanism of the utility model;

[0017] Figure 6 It is one of the schematic diagrams of part of the structure of the rotating mechanism of the utility model;

[0018] Figure 7 Part structure diagram two of the rotating mechanism of the utility model.

[0019] The meanings of the various reference numerals in the figures are as follows:

[0020] 1, frame; 11, hook; 12, round groove; 13, movable groove;

[0021] 2, clamping mechanism; 21, rotating sleeve; 22, gear; 23, cushion block; 24, support ring; 25, clamping rod; 26, sliding sleeve; 27, roller;

[0022] 3, rotating mechanism; 31, rack; 32, baffle; 321, limiting sleeve; 33, connecting rod; 34, threaded rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment 1

[0025] Please refer to Figure 1 and Figure 2 , one of the purposes of the present embodiment is to provide an anodizing hanger suitable for circular workpieces, which comprises a frame 1, a hook 11 is fixedly connected to the center of the upper side of the frame 1, the frame 1 is suspended in the interior of an anodizing device through the hook 11, a plurality of round grooves 12 are symmetrically and vertically arrayed on both sides of the frame 1, a clamping mechanism 2 is arranged in the interior of the round groove 12, the clamping mechanism 2 is used for clamping and fixing workpieces to be anodized, the frame 1 and the clamping mechanism 2 are both made of metal with good electrical conductivity, and the frame 1 is provided with a plurality of movable grooves 13, the movable grooves 13 are arranged in the round grooves 12, and the movable grooves 13 are used for clamping and fixing workpieces to be anodized. Figure 3 and Figure 4The clamping mechanism 2 comprises a rotating sleeve 21 arranged inside the circular groove 12, and a plurality of pads 23 are fixedly connected in an annular array on one side of the rotating sleeve 21 close to the center of the frame 1. The other end of the plurality of pads 23 is fixedly connected with a same support ring 24, the support ring 24 and the rotating sleeve 21 are coaxially arranged, a plurality of sliding sleeves 26 are arranged in an annular array between the support ring 24 and the rotating sleeve 21, a clamping rod 25 is slidingly arranged inside the sliding sleeve 26, one end of the clamping rod 25 away from the axis of the rotating sleeve 21 is rotatably arranged on one side of the frame 1, and the other end of the clamping rod 25 close to the axis of the rotating sleeve 21 is rotatably arranged with a roller 27, the roller 27 is arranged in a circular region surrounded by the plurality of pads 23. The frame 1 is provided with a rotating mechanism 3 for driving the plurality of rotating sleeves 21 to rotate synchronously. Common circular workpieces include flange plates, gear rings and other disc-shaped workpieces, and shafts, rollers and other round bar-shaped workpieces. When the operator performs anodizing treatment on the plurality of disc-shaped workpieces, one end of each of the plurality of disc-shaped workpieces is inserted into the plurality of rotating sleeves 21, and the circumferential side surface of the disc-shaped workpiece is located between the plurality of rollers 27. Then the operator drives the plurality of rotating sleeves 21 to rotate through the rotating mechanism 3. The rotating rotating sleeve 21 drives the plurality of sliding sleeves 26 to rotate synchronously. The rotating sliding sleeve 26 drives the corresponding clamping rod 25 to rotate. The rotating clamping rod 25 and the sliding sleeve 26 outside the rotating clamping rod 25 slide relative to each other. The rotating clamping rod 25 drives the corresponding roller 27 to move close to the axis of the rotating sleeve 21. When the plurality of rollers 27 are in contact with the circumferential side surface of the disc-shaped workpiece, the plurality of rollers 27 clamp and fix the disc-shaped workpiece. The plurality of disc-shaped workpieces can be stably hung in the equipment for anodizing treatment through the hanger. When the operator performs anodizing treatment on the plurality of round bar-shaped workpieces, the round bar-shaped workpiece is inserted into the interiors of two rotating sleeves 21 at the same height, and the circumferential side wall of the round bar-shaped workpiece is located between the two groups of rollers 27 at the same height. Then the operator drives the plurality of rotating sleeves 21 to rotate through the rotating mechanism 3. Similarly, the plurality of rollers 27 clamp and fix the round bar-shaped workpiece. The plurality of round bar-shaped workpieces can be stably hung in the equipment for anodizing treatment through the hanger.

[0026] The structure of the rotating mechanism 3 is refined as follows: Figure 5 、 Figure 6 and Figure 7The rotating mechanism 3 comprises two racks 31 arranged on both sides of the frame 1, the gear 22 coaxially fixedly connected with one end of the rotating sleeve 21 away from the center of the frame 1, a plurality of gears 22 respectively engaged with the two racks 31, the rotating mechanism 3 further comprises a baffle 32 arranged on the side of the rack 31 away from the rotating sleeve 21, the baffle 32 fixedly arranged on one side of the frame 1, both ends of the baffle 32 fixedly connected with a limiting sleeve 321, both limiting sleeves 321 slidingly sleeved on the rack 31, the limiting sleeve 321 limiting the movement path of the rack 31, so that the rack 31 can only move along the axis direction of the baffle 32, thereby ensuring the stability of the meshing transmission of the rack 31 and the gear 22, the rotating mechanism 3 further comprises a threaded rod 34 rotatably arranged on the bottom surface of the frame 1, the threaded rod 34 threadedly connected with a connecting rod 33, two movable grooves 13 symmetrically arranged on both sides of the frame 1 near the lower end, both ends of the connecting rod 33 respectively penetrating through the two movable grooves 13 and fixedly arranged at the lower ends of the two racks 31, when the operator twists the threaded rod 34, the connecting rod 33 moves downward along the axis direction of the movable groove 13 through the threaded connection between the threaded rod 34 and the connecting rod 33, the moving connecting rod 33 drives the two racks 31 to synchronously move downward, the meshing transmission between the rack 31 and the gear 22 drives the plurality of gears 22 to synchronously rotate the corresponding rotating sleeves 21, and then the plurality of rollers 27 clamps and fixes the circular workpieces, and the plurality of circular workpieces are stably hung in the anodizing equipment through the hanger for anodizing treatment.

[0027] In order to ensure the stability of several disc-shaped workpieces in the clamping process, when the fixture is used to fix the disc-shaped workpieces, the operator first adjusts the distance between the axis of the roller 27 and the rotating sleeve 21 in the clamping mechanism 2 according to the outer diameter of the disc-shaped workpiece, and the steps are as follows: the operator turns the threaded rod 34, so that the connecting rod 33 drives the two racks 31 to move vertically downward, the moving two racks 31 drive the rotating sleeves 21 to rotate synchronously, the rotating rotating sleeves 21 drive the corresponding clamping rods 25 to rotate through the plurality of sliding sleeves 26, so that the clamping rod 25 drives the corresponding roller 27 to approach the axis of the rotating sleeve 21, until the circular area surrounded by the plurality of annularly distributed rollers 27 is allowed to be inserted into the circumferential side of the disc-shaped workpiece, and after the circumferential side of the disc-shaped workpiece is inserted into the circular area, the distance between the circumferential side of the disc-shaped workpiece and the surrounding plurality of rollers 27 is less than a predetermined value, and then the operator keeps the fixture in an upright state, and then inserts one end of the plurality of disc-shaped workpieces into the plurality of rotating sleeves 21 respectively, and makes the circumferential side of the disc-shaped workpiece located between the plurality of rollers 27, and then the operator releases the disc-shaped workpiece, and the disc-shaped workpiece will roll or tilt in an unfixed state, and the plurality of annularly distributed rollers 27 will limit the amplitude of the disc-shaped workpiece rolling or tilting, so as to avoid the disc-shaped workpiece from falling out of the plurality of annularly distributed rollers 27, and the operator inserts the plurality of disc-shaped workpieces into the position between the plurality of rollers 27 in this way, and then continues to turn the threaded rod 34, so that the distance between the roller 27 and the axis of the rotating sleeve 21 in the clamping mechanism 2 is further reduced, until the plurality of rollers 27 in the clamping mechanism 2 are in close contact with the circumferential side wall of the disc-shaped workpiece, so that the clamping mechanism 2 clamps and fixes the disc-shaped workpiece, so that the fixture can clamp and fix the plurality of disc-shaped workpieces at one time, and then the plurality of disc-shaped workpieces are stably hung in the anodizing equipment for anodizing treatment.

[0028] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A kind of anodizing hanger suitable for circular workpiece, including frame (1), the center of the upper side of the frame (1) is fixedly connected with hook (11), it is characterized by: The frame (1) is symmetrically provided with a plurality of circular grooves (12) on both sides of the vertical array, the inside of the circular groove (12) is provided with a clamping mechanism (2), the clamping mechanism (2) comprises a rotating sleeve (21) which is rotatably arranged in the circular groove (12), a plurality of pad blocks (23) are fixedly connected in annular array on one side of the rotating sleeve (21) close to the center of the frame (1), a support ring (24) is fixedly connected to the other end of the plurality of pad blocks (23), the support ring (24) and the rotating sleeve (21) are coaxially arranged, a plurality of sliding sleeves (26) are rotatably arranged in annular array between the support ring (24) and the rotating sleeve (21), a clamping rod (25) is slidably arranged in the sliding sleeve (26), one end of the clamping rod (25) away from the axis of the rotating sleeve (21) is rotatably arranged on one side of the frame (1), a rotating mechanism (3) is arranged on the frame (1), and the rotating mechanism (3) is used to drive a plurality of rotating sleeves (21) to rotate synchronously.

2. The anodizing hanger for circular workpieces according to claim 1, characterized in that: One end of the clamping rod (25) close to the axis of the rotating sleeve (21) is rotatably provided with a roller (27), and the roller (27) is arranged in a circular region surrounded by the plurality of pad blocks (23).

3. The anodizing hanger for circular workpieces according to claim 1, characterized in that: The rotating mechanism (3) comprises two racks (31) arranged on both sides of the frame (1), and a gear (22) is coaxially and fixedly connected to one end of the rotating sleeve (21) away from the center of the frame (1), a plurality of gears (22) are respectively engaged with the two racks (31).

4. The anodizing hanger for circular workpieces according to claim 3, characterized in that: The rotating mechanism (3) further comprises a baffle (32) arranged on the side of the rack (31) away from the rotating sleeve (21), the baffle (32) is fixedly arranged on one side of the frame (1), both ends of the baffle (32) are fixedly connected with a limiting sleeve (321), and both ends of the baffle (32) are fixedly connected with a limiting sleeve (321).

5. The anodizing hanger for circular workpieces according to claim 3, characterized in that: The rotating mechanism (3) further comprises a threaded rod (34) rotatably arranged on the bottom surface of the frame (1), a connecting rod (33) is threadedly connected to the threaded rod (34), two movable grooves (13) are symmetrically arranged on both sides of the frame (1) close to the lower end, and both ends of the connecting rod (33) pass through the two movable grooves (13) and are fixedly arranged at the lower ends of the two racks (31).

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