Air bag liquid shaking type Dacromet dip-coating device
By designing an airbag-type Dacromet dip coating device, the problems of low coating efficiency and high cost for large workpieces are solved, achieving uniform flow and coating of Dacromet liquid and reducing the cost of the loading frame.
Patent Information
- Application Number
- CN202423017645.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing Dacromet dip coating equipment is inefficient when coating large workpieces. The built-in stirring rod results in high workpiece basket costs and insufficient Dacromet liquid flow, affecting coating uniformity.
The airbag-type Dacromet dip coating device, which uses a split-type stirring shaft and a loading frame, agitates the Dacromet liquid by expanding and contracting the airbag in the loading tank, combined with the stirring of the split-type stirring shaft, to ensure uniform flow and coating of the Dacromet liquid.
It improves the fluidity and coating uniformity of Dacromet solution, reduces the cost of the loading frame, and enhances coating efficiency.
Smart Images

Figure CN223571131U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of surface treatment, in particular to the technical field of dacromet dip coating device. BACKGROUND
[0002] Dacromet is a new type of anticorrosive paint with zinc powder, aluminum powder, chromic acid and deionized water as main components, and the workpiece coated with dacromet can adopt dip coating method, which is the most commonly used method and is mainly used for standard parts or smaller workpieces.
[0003] The existing dip coating equipment is static when dip coating, and the dip coating efficiency is low, and at present, the workpiece basket is generally rotated to improve the reaction efficiency of the workpiece and the dacromet solution, but the method has limited effect, and the workpiece in some positions still needs to wait for a longer reaction time to achieve the ideal plating effect.
[0004] The existing patent CN219597113U discloses a dacromet dip coating equipment, which stirs the workpiece through a stirring rod to make the workpiece fully contact with the dacromet liquid, but the stirring rod is built-in in the workpiece basket and is part of the workpiece basket, resulting in high cost of the workpiece basket, and the dacromet liquid flow is not sufficient during use of the equipment, which can easily cause uneven composition in different places and reduce the coating uniformity. SUMMARY
[0005] The utility model discloses a dacromet dip coating device with a gas bag liquid shaking function, the stirring shaft and the charging frame are separate, which reduces the cost of the charging frame, and the dacromet liquid can flow fully, ensuring the uniformity of the dacromet liquid in different places and the coating uniformity.
[0006] In order to achieve the above object, the utility model provides an air bag liquid shaking type dacro dip coating device, including liquid tank, support strip, first air pipe, second air pipe, air disc, air bag, loading frame, the inside of liquid tank is equipped with a plurality of horizontal support strip of setting, support strip is parallel and is located on the same horizontal height, and there is a gap between support strips, the loading frame is placed on the support strip, and all support strips hold the loading frame together, the inside of liquid tank is equipped with an air disc, and the top of air disc is equipped with a plurality of vertical second air pipe of setting, and the top of second air pipe is fixed with air bag, and the both ends of second air pipe are connected with the inside of air bag and air disc respectively, one first air pipe is connected with the side wall of air disc, and the first air pipe is connected with the inside of air disc, and the first air pipe penetrates the side wall of liquid tank and is connected with the bidirectional air pump located outside the liquid tank, the air disc and the cavity are all located below the support strip, an installation seat is fixed on the outer wall of liquid tank, a vertical rotating shaft is rotatably installed on the installation seat, the rotating shaft is connected with a power device fixed on the installation seat, the power device drives the rotating shaft to reverse, the top of rotating shaft is connected with a mounting bracket, a lifting device is installed on the mounting bracket, the lifting device is connected with a stirring motor, the lifting device drives the stirring motor to move vertically, the stirring motor is connected with a vertical stirring shaft, and the stirring shaft extends into the loading frame.
[0007] As preferred, the bidirectional air pump has two air inlets and outlets, one of which is connected with the first air pipe, and the other is connected with the atmosphere.
[0008] As preferred, the power device is a servo motor with a reducer, and the power device drives the rotating shaft to rotate 90 degrees each time.
[0009] As preferred, all the support strips together form a support body, and the upper end surface of the support body is provided with a positioning groove adapted to the loading frame.
[0010] The utility model has the advantages that: the air bag is arranged in the liquid tank, and the dacro is shaken by the expansion and contraction of the air bag, so that the flow of the dacro liquid is accelerated, and the uniformity of coating is ensured; the stirring shaft and the loading frame are in a split type, so that the cost of the loading frame is reduced.
[0011] The features and advantages of the utility model will be described in detail with reference to the embodiments and the drawings. DRAWINGS
[0012] Figure 1 It is the front view of the air bag liquid shaking type dacro dip coating device of the utility model.
[0013] In the figure: 1 - liquid tank, 2 - air disc, 3 - loading frame, 4 - mounting seat, 11 - support bar, 12 - positioning groove, 20 - two-way air pump, 21 - first air pipe, 22 - second air pipe, 23 - air bag, 40 - power device, 41 - rotating shaft, 42 - mounting frame, 43 - lifting device, 44 - stirring motor, 45 - stirring shaft. DETAILED DESCRIPTION
[0014] Referring to Figure 1 The air bag liquid-shaking type Dacromet dip coating device comprises a liquid tank 1, support bars 11, a first air pipe 21, a second air pipe 22, an air disc 2, an air bag 23 and a loading frame 3.
[0015] The liquid tank 1 is internally provided with an air disc 2, the top end of the air disc 2 is provided with a plurality of vertically arranged second air pipes 22, the top end of each second air pipe 22 is fixedly provided with an air bag 23, the two ends of each second air pipe 22 are respectively connected with the inside of the air bag 23 and the inside of the air disc 2, one first air pipe 21 is connected to the side wall of the air disc 2, the first air pipe 21 is connected with the inside of the air disc 2, the first air pipe 21 penetrates the side wall of the liquid tank 1 and is connected with a two-way air pump 20 located outside the liquid tank 1, and the air disc 2 and the cavity are both located below the support bars 11.
[0016] One mounting seat 4 is fixedly arranged on the outer wall of the liquid tank 1, a vertically arranged rotating shaft 41 is rotatably arranged on the mounting seat 4, the rotating shaft 41 is connected with a power device 40 fixedly arranged on the mounting seat 4, the power device 40 drives the rotating shaft 41 to rotate in opposite directions, the top end of the rotating shaft 41 is connected with a mounting frame 42, a lifting device 43 is arranged on the mounting frame 42, the lifting device 43 is a hydraulic cylinder or an air cylinder, the lifting device 43 is connected with a stirring motor 44, the lifting device 43 drives the stirring motor 44 to vertically move up and down, the stirring motor 44 is connected with a vertically arranged stirring shaft 45, and the stirring shaft 45 extends into the loading frame 3.
[0017] The two-way air pump 20 has two air inlets and outlets, one of which is connected with the first air pipe 21, and the other is connected with the atmosphere.
[0018] The power device 40 is a servo motor with a speed reducer, and the power device 40 drives the rotating shaft 41 to rotate by 90° each time.
[0019] In order to make the charging frame 3 can be conveniently positioned, so that it collides with the stirring shaft 45, all support bars 11 constitute a support body together, and the upper end surface of the support body is provided with a positioning groove 12 matched with the charging frame 3.
[0020] The working process of the utility model:
[0021] In the initial state, the stirring shaft 45 is not directly above the liquid tank 1 in the working process of the air bag liquid shaking type Dacromet dip coating device, the charging frame 3 loaded with workpieces is placed on the positioning groove 12 on the support body composed of support bars 11, then the power device 40 drives the rotating shaft 41 to rotate 90°, after the rotation is completed, the stirring shaft 45 is just located directly above the charging frame 3, the lifting device 43 drives the stirring motor 44 and the stirring shaft 45 to move downward, the stirring shaft 45 gradually extends into the charging frame 3, after the stirring shaft 45 is moved to the position, the stirring motor 44 is started, the stirring motor 44 drives the stirring shaft 45 to rotate slowly, the stirring shaft 45 stirs the workpieces, so that the workpieces can be in full contact with the Dacromet liquid, while stirring, the two-way air pump 20 repeatedly discharges and inhales through the first air pipe 21, the air bag 23 expands and shrinks continuously, the purpose of shaking the Dacromet liquid is achieved, the flow of the Dacromet liquid is accelerated, and the uniformity of coating is ensured.
[0022] After the dip coating is completed, the stirring motor 44 is closed, the lifting device 43 drives the stirring motor 44 and the stirring shaft 45 to return to the initial height, then the power device 40 drives the rotating shaft 41 to rotate reversely by 90°, so that the stirring shaft 45 returns to the initial position, then the charging frame 3 is taken out.
[0023] The above examples are used to illustrate the utility model, but not to limit the utility model, and any simple transformation of the utility model belongs to the protection range of the utility model.
Claims
1. A bladder sloshbot dip coating apparatus characterized by: The utility model provides a liquid loading tank, support strip, first vent pipe, second vent pipe, vent disc, air bag, loading frame, the inside of liquid loading tank (1) is equipped with a plurality of horizontal support strip (11) that sets up, support strip (11) parallel with each other and be located on the same horizontal height, and there is a gap between support strip (11), the loading frame (3) is placed on support strip (11), and all support strip (11) jointly support loading frame (3), the inside of liquid loading tank (1) is equipped with a vent disc (2), and the top of vent disc (2) is equipped with a plurality of vertical second vent pipe (22) that sets up, and the top of second vent pipe (22) is fixed with air bag (23), and the both ends of second vent pipe (22) are connected with air bag (23) inside, vent disc (2) inside respectively, the lateral wall of vent disc (2) is connected with first vent pipe (21), and first vent pipe (21) is connected with vent disc (2) inside, and first vent pipe (21) penetrates the lateral wall of liquid loading tank (1) and is connected with the bidirectional air pump (20) located outside liquid loading tank (1), vent disc (2), cavity are all located below support strip (11), the outer wall of liquid loading tank (1) is fixed with an installation seat (4), a vertical rotating shaft (41) is rotatably installed on the installation seat (4), and the rotating shaft (41) is connected with a power device (40) fixed on the installation seat (4), and the power device (40) drives the rotating shaft (41) to reverse, the top of rotating shaft (41) is connected with a mounting bracket (42), and a lifting device (43) is installed on the mounting bracket (42), and the lifting device (43) is connected with a stirring motor (44), and the lifting device (43) drives the stirring motor (44) to vertically move up and down, and the stirring motor (44) is connected with a vertical stirring shaft (45), and the stirring shaft (45) extends into loading frame (3).
2. The bladder surge Dacrol dip coating apparatus as claimed in claim 1, wherein: The bidirectional air pump (20) has two air inlets and outlets, one of which is connected with the first vent pipe (21), and the other is connected with the atmosphere.
3. The bladder surge Dipping device according to claim 1, wherein: The power device (40) is a servo motor with a reducer, and the power device (40) drives the rotating shaft (41) to rotate 90 degrees each time.
4. The bladder surge Dipping device according to claim 1, wherein: All support strips (11) jointly constitute a support body, and the upper end surface of the support body is provided with a positioning groove (12) adapted to the loading frame (3).