Dropwise adding device for water-based paint cross-linking agent
By installing a visible filter and a mechanical metering structure in the water-based coating crosslinking agent dripping device, the problem of metering pumps being susceptible to the influence of the medium is solved, enabling precise dripping of the crosslinking agent and ensuring stable operation and accurate metering of the metering pump.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-03-20
AI Technical Summary
Existing dripping devices for crosslinking agents in water-based coatings are susceptible to the influence of the medium, leading to a decline in the performance of metering pumps, especially for crosslinking agents with high viscosity or containing particles, resulting in inaccurate metering.
A visible filter and a three-way valve are installed at the feed end of the metering pump, and a mechanical metering mechanism, including a transparent metering hopper and a metering scale, is set at the discharge end. Combined with the transmission pipeline and control valve, dual metering is achieved to prevent particulate impurities from clogging the pump and to improve metering accuracy.
It effectively filters out particulate impurities in the crosslinking agent, prevents clogging of the metering pump, ensures metering accuracy, achieves precise dripping of the crosslinking agent, and avoids inaccurate delivery.
Smart Images

Figure CN224009759U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to waterborne anodic electrophoretic paint production equipment technical field, specifically for a kind of for water-based paint crosslinking agent dropwise adding device. BACKGROUND
[0002] When producing waterborne anodic electrophoretic paint, coupling agent is needed, which includes slowly dropping isocyanate ether into ether, and then metering pump type dropwise adding device is needed, including liquid storage tank, metering pump, controller, pipeline and valve etc..Liquid storage tank is used to store crosslinking agent, and metering pump is core component, which can accurately control the delivery amount of liquid.Controller is used to set and adjust the working parameters of metering pump, such as flow, stroke, etc.
[0003] The existing dropwise adding device for water-based paint crosslinking agent still has the following problems when in use: the metering pump type dropwise adding device is easily affected by medium when in use, and for some crosslinking agents with high viscosity, containing particles or strong corrosion, the performance of metering pump can be affected, resulting in inaccurate metering. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the deficiencies of the prior art, the utility model provides a dropwise adding device for water-based paint crosslinking agent, which solves the problems raised in the background art.
[0006] (II) technical scheme
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a dropwise adding device for water-based paint crosslinking agent, comprising a liquid storage mechanism, the liquid storage mechanism comprises a liquid storage tank, a discharge port is formed in the center position of the inner bottom wall of the liquid storage tank, a filter mechanism is fixedly installed on the outer bottom wall of the liquid storage tank and located at the opening of the discharge port of the liquid storage tank, the filter mechanism comprises a visual filter fixedly installed at the opening of the discharge port, a three-way valve is arranged at the bottom end of the visual filter, a metering pump is fixedly installed at the discharge port of the bottom of the three-way valve, the discharge port of the bottom of the three-way valve is fixedly connected with the feeding end of the top of the metering pump, and a blowdown pipe is fixedly installed at the blowdown port of one end of the three-way valve.
[0008] As a further scheme of the utility model: a mechanical type metering mechanism is fixedly installed at the discharge end of the bottom of the metering pump, the mechanical type metering mechanism comprises a transmission pipeline fixedly connected with the discharge end of the bottom of the metering pump, the transmission pipeline is fixedly connected with a metering hopper at the end away from the metering pump, a control valve is fixedly installed at the interface of the bottom end of the metering hopper, the metering hopper is made of transparent material, and a metering scale is arranged at the front end of the metering hopper.
[0009] As a further scheme of the utility model: the opening of the liquid storage tank top is slidably installed with a top cover, the top cover top middle part is fixedly connected with a handle, the other end of the liquid storage tank lower part is fixedly connected with a fixing frame, the transmission pipeline is fixedly connected in the fixing frame.
[0010] As a further scheme of the utility model: the one end of the liquid storage tank annular outer wall is fixedly connected with two fixed bases in up-down symmetry, the fixed base one end middle part is fixedly connected with a mounting bracket, the mounting bracket one end middle part is provided with a mounting hole.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] 1、The utility model discloses a filter observation mechanism is installed at the feed end of the metering pump, which can filter out the particulate impurities in the crosslinking agent, prevent the particulate impurities in the crosslinking agent from blocking the metering pump or affecting the metering accuracy, and the filter bottom end is provided with a three-way valve, and a blowdown pipe is fixedly installed at the blowdown port of one end, so that the impurities in the filter can be discharged.
[0013] 2、The utility model discloses an auxiliary mechanical metering structure, the discharge end of the metering pump is fixedly connected with a transmission pipeline, the transmission pipeline is fixedly installed with a metering hopper at the end away from the metering pump, the crosslinking agent discharged by the metering pump can be further metered, and the inaccuracy of the water-based paint crosslinking agent conveying amount of the metering pump is avoided. ACCURACY
[0014] Figure 1 The utility model discloses a whole three-dimensional Figure 1 ;
[0015] Figure 2 The utility model discloses a whole three-dimensional Figure 2 ;
[0016] Figure 3 It is the stereogram of the liquid storage mechanism of the utility model;
[0017] Figure 4 It is the stereogram of the filter mechanism, metering pump and mechanical metering mechanism of the utility model.
[0018] In the drawing: 1, liquid storage mechanism;2, filter mechanism;3, metering pump;4, mechanical metering mechanism;11, liquid storage tank;12, fixed base;13, mounting bracket;14, top cover;15, handle;16, discharge interface;21, visible filter;22, three-way valve;23, blowdown pipe;41, transmission pipeline;42, metering hopper;43, control valve;44, fixing frame. Specific implementation
[0019] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.
[0020] In the description of the present application, unless otherwise specified and limited, the term "a plurality of" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0022] Please refer to Figures 1-4 In the embodiment of the present application, a kind of for water-based paint crosslinking agent dropwise adding device, including liquid storage mechanism 1, liquid storage mechanism 1 includes one liquid storage tank 11, the center position of inner bottom wall of liquid storage tank 11 is provided with discharge interface 16, filter mechanism 2 is fixedly installed on the outer bottom wall of liquid storage tank 11 and located at the opening of its discharge interface 16, filter mechanism 2 includes the visibility filter 21 of fixed installation at the opening of discharge interface 16, the bottom end of visibility filter 21 is provided with three-way valve 22, metering pump 3 is fixedly installed at the discharge port of the bottom of three-way valve 22, the feed end of metering pump 3 top is fixedly connected the discharge port of the bottom of three-way valve 22, sewage pipe 23 is fixedly installed at the blowdown of one end of three-way valve 22, overall increase filter observation mechanism, there is visibility filter at the feed end of metering pump 3, it can filter out the particulate impurities in crosslinking agent, prevent its particulate impurities in crosslinking agent from blocking metering pump 3 or affecting the measurement accuracy, at the same time, the filter bottom end is provided with three-way valve 22, sewage pipe 23 is fixedly installed at the blowdown of one end, the discharge work of impurities in filter can be carried out.
[0023] The mechanical metering mechanism 4 is fixedly installed at the bottom of the metering pump 3, and includes a transmission pipeline 41 fixedly connected to the bottom of the metering pump 3, a metering bucket 42 fixedly connected to one end of the transmission pipeline 41 away from the metering pump 3, and a control valve 43 fixedly installed at the interface of the bottom of the metering bucket 42. The metering bucket 42 is made of transparent material and is provided with a metering scale at the front end. The mechanical metering mechanism is provided as a whole, the transmission pipeline 41 is fixedly connected to the bottom of the metering pump 3, and the metering bucket 42 is fixedly installed at one end of the transmission pipeline 41 away from the metering pump 3. The cross-linking agent quantitatively discharged by the metering pump 3 can be further metered, and the inaccurate delivery of the water-based paint cross-linking agent by the metering pump 3 is avoided.
[0024] The top cover 14 is slidably installed at the opening of the liquid storage tank 11, and the top end of the top cover 14 is fixedly connected with a handle 15. The top cover 14 can be removed by holding the handle 15, and the cross-linking agent can be added to the liquid storage tank 11. The other end of the liquid storage tank 11 is fixedly connected with a fixing frame 44, and the transmission pipeline 41 is fixedly connected in the fixing frame 44. The fixing frame 44 serves as an auxiliary support for the transmission pipeline 41.
[0025] The two fixed seats 12 are fixedly connected to one end of the annular outer wall of the liquid storage tank 11 in a symmetrical manner, and the mounting frames 13 are fixedly connected to the middle of one end of the fixed seats 12. The mounting holes are formed in the middle of one end of the mounting frames 13. The liquid storage tank 11 as a whole can be fixedly installed on the corresponding mounting station through the mounting holes in the two mounting frames 13 and the mounting assembly.
[0026] The working principle of the utility model is as follows: the liquid storage tank 11 as a whole can be fixedly installed on the corresponding mounting station through the mounting holes in the two mounting frames 13 and the mounting assembly. The top cover 14 can be removed by holding the handle 15, and the cross-linking agent can be added to the liquid storage tank 11. When the water-based paint cross-linking agent is added dropwise, the metering pump 3 works, that is, the metering pump 3 sucks the cross-linking agent in the liquid storage tank 11 and delivers it out according to the set flow rate and frequency. The operation of the metering pump 3 can be accurately controlled according to the preset formula and process requirements, so as to realize the accurate dropwise addition of the cross-linking agent. Since the mechanical metering mechanism is provided as a whole, the transmission pipeline 41 is fixedly connected to the bottom of the metering pump 3, and the metering bucket 42 is fixedly installed at one end of the transmission pipeline 41 away from the metering pump 3. The cross-linking agent quantitatively discharged by the metering pump 3 can be further metered. After the second metering, the cross-linking agent can be discharged through the control valve 43, the dropwise addition work is completed, and the inaccurate delivery of the water-based paint cross-linking agent by the metering pump 3 is avoided.
[0027] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A dripping device for a crosslinking agent for water-based coatings, comprising a liquid storage mechanism (1), wherein the liquid storage mechanism (1) comprises a liquid storage tank (11), and a discharge port (16) is provided at the center of the bottom wall of the liquid storage tank (11). Its features are: A filter mechanism (2) is fixedly installed on the bottom wall of the storage tank (11) and at the opening of its discharge port (16). The filter mechanism (2) includes a visible filter (21) fixedly installed at the opening of the discharge port (16). A three-way valve (22) is provided at the bottom of the visible filter (21). A metering pump (3) is fixedly installed at the discharge port at the bottom of the three-way valve (22), a drain pipe (23) is fixedly installed at the drain port at one end of the three-way valve (22), and a mechanical metering mechanism (4) is fixedly installed at the discharge end at the bottom of the metering pump (3). The mechanical metering mechanism (4) includes a transmission pipe (41) fixedly connected to the bottom discharge end of the metering pump (3). A metering hopper (42) is fixedly connected to the end of the transmission pipe (41) away from the metering pump (3). A control valve (43) is fixedly installed at the interface at the bottom of the metering hopper (42).
2. The dripping device for a crosslinking agent in water-based coatings according to claim 1, characterized in that: A top cover (14) is slidably installed at the opening above the liquid storage tank (11), and a handle (15) is fixedly connected to the top center of the top of the top cover (14).
3. The dripping device for a crosslinking agent in water-based coatings according to claim 1, characterized in that: The storage tank (11) has two fixed seats (12) fixedly connected at one end of its annular outer wall in a symmetrical manner.
4. The dripping device for a crosslinking agent in water-based coatings according to claim 3, characterized in that: The mounting bracket (13) is fixedly connected to the middle of one end of the fixed base (12), and the mounting bracket (13) has a mounting hole in the middle of one end.
5. The dripping device for a crosslinking agent in water-based coatings according to claim 1, characterized in that: A fixed frame (44) is fixedly connected to the other end of the liquid storage tank (11), and the transmission pipe (41) is fixedly connected inside the fixed frame (44).
6. The dripping device for a crosslinking agent in water-based coatings according to claim 1, characterized in that: The metering bucket (42) is made of transparent material, and a metering scale is provided at the front end of the metering bucket (42).
7. The dripping device for a crosslinking agent in water-based coatings according to claim 1, characterized in that: The feed inlet at the top of the metering pump (3) is fixedly connected to the discharge port at the bottom of the three-way valve (22).