Chromium plating device for piston rod

By designing a piston rod chromium plating device and utilizing hydraulically and electrically driven clamping components, the problem of uneven chromium plating on the piston rod surface was solved, achieving an efficient chromium plating process and good plating quality.

CN223752934UActive Publication Date: 2026-01-02JIYUAN XINYANG MINING CO LTD
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Patent Information

Application Number
CN202423261863.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2026-01-02
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

During the chromium plating process on the piston rod surface, the generation of bubbles affects the uniformity of the chromium plating layer.

Method used

A piston rod chromium plating device was designed, including a clamping assembly and an adjusting assembly. The piston rod is driven to move up and down by a hydraulic rod, and the lead screw motor is used to drive the lead screw to move back and forth to expel gas. Combined with the clamping structure of the clamping assembly, the stability of the piston rod in the chromium plating tank and the uniformity of the plating layer are ensured.

Benefits of technology

It improves the quality of hard chrome plating on the piston rod surface, is easy to operate, and allows for quick clamping and loading/unloading, ensuring the uniformity and effectiveness of the plating layer.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chromium plating, in particular to a piston rod chromium plating device which comprises a clamp assembly and an adjusting assembly, the upper end of the clamp assembly is connected with the adjusting assembly, and the clamp assembly is composed of a machine frame, a first connecting base, a sliding strip, a clamping air cylinder, a clamping base, a wire pipe, a spring wire, a cathode ring and an adjusting bolt. A first connecting base is connected to the middle of the upper end of the rack, a sliding strip is arranged in the middle of the upper end of the first connecting base, multiple sets of clamping air cylinders are connected to the positions, close to the front face and the back face, of the upper end of the rack, clamping bases are connected to the lower ends of the clamping air cylinders, and multiple sets of wire pipes are arranged in the middle of the interior of the rack; a plurality of spring wires are arranged on the lower portion of the wire pipe, the lower portion of the rack is connected with a cathode ring, the lower end of the cathode ring is connected with an adjusting bolt, and the adjusting assembly is composed of a hydraulic rod, a second connecting base, a mounting frame, a lead screw motor and a lead screw.
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Description

TECHNICAL FIELD

[0001] The utility model relates to chromium plating technical field, concretely is a kind of piston rod chromium plating device. BACKGROUND

[0002] On the finished piston rod, its surface will exist a layer of thick chromium plating, its thickness is generally above 20 μm, this chromium plating can improve the hardness, wear resistance, temperature resistance, corrosion resistance etc. of piston rod, but when the surface of piston rod is chromium plated, the uniformity of overall chromium plating is influenced by the bubble generated on the surface.

[0003] Therefore, it needs to design a kind of piston rod chromium plating device to solve the problems in the above background art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problems in prior art and provides a kind of piston rod chromium plating device.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of piston rod chromium plating device, including clamp assembly and adjusting assembly, the clamp assembly upper end is connected with adjusting assembly;

[0007] The clamp assembly is composed of rack, first connecting seat, slide bar, clamping cylinder, clamping seat, wire pipe, spring wire, cathode ring and adjusting bolt, and the first connecting seat is connected in the middle of rack upper end, the slide bar is arranged in the middle of first connecting seat upper end, multiple sets of clamping cylinders are connected in the middle of rack upper end near front and back, the clamping seat is connected to the lower end of clamping cylinder, multiple sets of wire pipes are arranged in the middle of rack interior, multiple sets of spring wires are arranged in the lower part of wire pipe, the cathode ring is connected to the lower end of rack lower part, and the adjusting bolt is connected to the lower end of cathode ring;

[0008] The adjusting assembly is composed of hydraulic rod, second connecting seat, mounting bracket, screw rod motor and screw rod, and the hydraulic rod is connected to the both sides of second connecting seat upper end, the mounting bracket is connected to the both sides of second connecting seat lower end, and the screw rod motor and screw rod are connected to the mounting bracket.

[0009] As the preferred scheme of the utility model, the slide bar and the second connecting seat are connected by sleeving.

[0010] As the preferred scheme of the utility model, the clamping cylinder and the rack are connected by bolt, the clamping seat and the piston rod are connected by sleeving, and the cathode ring and the piston rod are connected by sleeving.

[0011] As the preferred scheme of the utility model, the first connecting seat and the rack are connected by bolt, and the rack and the adjusting bolt are connected by thread tightening.

[0012] As the preferred scheme of the utility model, the mounting frame and the lead screw are connected through bearings, the mounting frame and the lead screw motor are connected through bolts, the lead screw motor and the lead screw are connected through a shaft coupling, and the second connecting seat and the mounting frame are connected through bolts.

[0013] As the preferred scheme of the utility model, the hydraulic rod and the second connecting seat are connected through bolts.

[0014] In summary, the technical effect and advantages of the utility model are as follows: the piston rod chrome plating device is convenient and fast to operate, the clamp assembly can move back and forth along with the lead screw driven by the lead screw motor during the chrome plating process after being put into the chrome plating tank, gas is conveniently discharged during the chrome plating process, the quality of hard chrome plating on the surface of the piston rod is improved, the piston rod is clamped by being respectively put into the cathode ring and the clamping seat during feeding, and feeding and discharging operations are convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure diagram of the utility model;

[0016] Figure 2 It is a structure diagram of the adjusting assembly of the utility model;

[0017] Figure 3 It is a structure diagram of the clamp assembly of the utility model.

[0018] In the drawing: 1, clamp assembly; 101, rack; 102, first connecting seat; 103, slide bar; 104, clamping cylinder; 105, clamping seat; 106, wire tube; 107, spring wire; 108, cathode ring; 109, adjusting bolt; 2, adjusting assembly; 201, hydraulic rod; 202, second connecting seat; 203, mounting frame; 204, lead screw motor; 205, lead screw. DETAILED DESCRIPTION

[0019] 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.

[0020] Reference Figures 1-3A kind of piston rod chrome plating device, including clamp assembly 1 and adjusting assembly 2, clamp assembly 1 upper end is connected with adjusting assembly 2;Clamp assembly 1 is by rack 101, first connecting seat 102, slide bar 103, clamping cylinder 104, clamping seat 105, wire tube 106, spring wire 107, cathode ring 108 and adjusting bolt 109 are constituted, and rack 101 upper end middle part is connected with first connecting seat 102, first connecting seat 102 upper end middle part is equipped with slide bar 103, rack 101 upper end is close to the front and back and is connected with multiple sets of clamping cylinder 104, clamping cylinder 104 lower end is connected with clamping seat 105, rack 101 inside middle part is equipped with multiple sets of wire tube 106, wire tube 106 lower part is equipped with multiple sets of spring wire 107, rack 101 lower part is connected with cathode ring 108, and cathode ring 108 lower end is connected with adjusting bolt 109;Adjusting assembly 2 is by hydraulic rod 201, second connecting seat 202, mounting bracket 203, screw rod motor 204 and screw rod 205 are constituted, and second connecting seat 202 upper end both sides are connected with hydraulic rod 201, second connecting seat 202 lower end both sides are connected with mounting bracket 203, and mounting bracket 203 is connected with screw rod motor 204 and screw rod 205.

[0021] With reference to Figure 1 、 Figure 2 and Figure 3 On the finished piston rod, its surface will exist a layer of thick chrome plating, its thickness is generally above 20 μm, the chrome plating layer can improve the hardness, wear resistance, temperature resistance, corrosion resistance and other properties of piston rod, but when chrome plating is carried out on the surface of piston rod, the bubbles generated on the surface affect the uniformity of the overall chrome plating layer, slide bar 103 and second connecting seat 202 are connected by sleeve connection, mounting bracket 203 and screw rod 205 are connected by bearing, mounting bracket 203 and screw rod motor 204 are connected by bolt, screw rod motor 204 and screw rod 205 are connected by coupling, second connecting seat 202 and mounting bracket 203 are connected by bolt, hydraulic rod 201 and second connecting seat 202 are connected by bolt, when using, the overall up and down movement is driven by hydraulic rod 201, so that the piston rod is sent into the chrome plating tank, and then is taken out after chrome plating is completed, convenient and fast operation, and clamp assembly 1 can be driven by screw rod motor 204 to move back and forth left and right during chrome plating after entering the chrome plating tank, convenient to discharge gas during chrome plating, so as to improve the quality of hard chrome plating on the surface of piston rod.

[0022] With reference to Figure 1 and Figure 3The clamping cylinder 104 and the rack 101 are connected through bolts, the clamping seat 105 and the piston rod are connected through sleeve connection, the cathode ring 108 and the piston rod are connected through sleeve connection, the first connecting seat 102 and the rack 101 are connected through bolts, the rack 101 and the adjusting bolt 109 are connected through thread screwing, the position of the cathode ring 108 can be adjusted by rotating the adjusting bolt 109, and when loading, the two ends of the piston rod are respectively placed into the cathode ring 108 and the clamping seat 105, so that the piston rod is clamped, and the loading and unloading operation is convenient and fast.

[0023] The working principle is that the slide strip 103 of the piston rod chrome plating device and the second connecting seat 202 are connected through sleeve connection, the mounting frame 203 and the lead screw 205 are connected through bearings, the mounting frame 203 and the lead screw motor 204 are connected through bolts, the lead screw motor 204 and the lead screw 205 are connected through a shaft coupling, the second connecting seat 202 and the mounting frame 203 are connected through bolts, and the hydraulic rod 201 and the second connecting seat 202 are connected through bolts, when in use, the whole is driven to move up and down through the hydraulic rod 201, so that the piston rod is sent into the chrome plating tank, and then taken out after chrome plating is completed, the operation is convenient and fast, and after the clamp assembly 1 enters the chrome plating tank, the lead screw 205 can be driven to move back and forth left and right during the chrome plating process, the gas is conveniently discharged during the chrome plating process, so that the quality of the hard chrome plating on the surface of the piston rod is improved, the clamping cylinder 104 and the rack 101 are connected through bolts, the clamping seat 105 and the piston rod are connected through sleeve connection, the cathode ring 108 and the piston rod are connected through sleeve connection, the first connecting seat 102 and the rack 101 are connected through bolts, the rack 101 and the adjusting bolt 109 are connected through thread screwing, the position of the cathode ring 108 can be adjusted by rotating the adjusting bolt 109, and when loading, the two ends of the piston rod are respectively placed into the cathode ring 108 and the clamping seat 105, so that the piston rod is clamped, and the loading and unloading operation is convenient and fast.

[0024] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for chromium plating of a piston rod, comprising a clamp assembly (1) and an adjustment assembly (2), characterized in that: The clamp assembly (1) upper end is connected with adjusting assembly (2); The clamp assembly (1) is composed of rack (101), first connecting seat (102), slide bar (103), clamping cylinder (104), clamping seat (105), wire pipe (106), spring wire (107), cathode ring (108) and adjusting bolt (109), and the first connecting seat (102) is arranged on the upper end of the rack (101), the slide bar (103) is arranged on the upper end of the first connecting seat (102), the clamping cylinder (104) is arranged on the upper end of the rack (101) near the front and back, the clamping seat (105) is arranged on the lower end of the clamping cylinder (104), the wire pipe (106) is arranged in the middle of the rack (101), the spring wire (107) is arranged on the lower part of the wire pipe (106), the cathode ring (108) is arranged on the lower part of the rack (101), and the adjusting bolt (109) is arranged on the lower end of the cathode ring (108). The adjusting assembly (2) is composed of hydraulic rod (201), second connecting seat (202), mounting bracket (203), screw rod motor (204) and screw rod (205), and the second connecting seat (202) is connected with the hydraulic rod (201) on both sides of the upper end, the mounting bracket (203) is connected with the second connecting seat (202) on both sides of the lower end, and the screw rod motor (204) and the screw rod (205) are connected with the mounting bracket (203).

2. A piston rod chrome plating apparatus according to claim 1, characterized in that: The slide bar (103) and the second connecting seat (202) are connected through sleeve connection.

3. A piston rod chrome plating apparatus as defined in claim 1, characterized in that: The clamping cylinder (104) and the rack (101) are connected through bolts, the clamping seat (105) and the piston rod are connected through sleeve connection, and the cathode ring (108) and the piston rod are connected through sleeve connection.

4. A piston rod chrome plating apparatus as defined in claim 1, wherein: The first connecting seat (102) and the rack (101) are connected through bolts, and the rack (101) and the adjusting bolt (109) are connected through thread tightening.

5. A piston rod chrome plating apparatus as defined in claim 1, wherein: The mounting bracket (203) and the screw rod (205) are connected through bearings, the mounting bracket (203) and the screw rod motor (204) are connected through bolts, the screw rod motor (204) and the screw rod (205) are connected through a shaft coupling, and the second connecting seat (202) and the mounting bracket (203) are connected through bolts.

6. A piston rod chrome plating apparatus as defined in claim 1, wherein: The hydraulic rod (201) and the second connecting seat (202) are connected through bolts.