CN217550132U - Balanced spraying device of coating - Google Patents
Balanced spraying device of coating Download PDFInfo
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- CN217550132U CN217550132U CN202220414011.4U CN202220414011U CN217550132U CN 217550132 U CN217550132 U CN 217550132U CN 202220414011 U CN202220414011 U CN 202220414011U CN 217550132 U CN217550132 U CN 217550132U
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Abstract
The utility model relates to a paint balanced spraying device, which comprises a hydraulic commutator, a material suction device, a paint cylinder, a hydraulic oil cylinder and an energy accumulator, wherein a piston of the hydraulic commutator is connected with a piston of the material suction device; the upper chamber of the coating cylinder is rigidly connected with the lower chamber of the hydraulic cylinder or connected through an oil way; the lower cavity of the cylinder body of the coating cylinder is provided with a feed inlet and a discharge outlet, the feed inlet of the coating cylinder is communicated with the discharge outlet of the material suction device, the discharge outlet of the coating cylinder is externally connected with a spray gun through a pipeline, and the upper cavity of the cylinder body of the hydraulic oil cylinder is communicated with the energy accumulator. In the utility model, when the piston of the material suction device moves downwards, the piston of the coating cylinder is pushed upwards under the action of pressure, and when the coating is extruded out of the coating cylinder, the coating flowing to the spray gun is properly reduced; when the piston of the material suction device moves upwards, the supply amount of the coating is increased during material suction, and when the material suction device reciprocates, the coating cylinder drives the hydraulic cylinder to also passively reciprocate, so that the effect of balancing the sprayed coating is finally achieved.
Description
Technical Field
The utility model relates to a coating spraying field, concretely relates to coating balanced spraying device.
Background
A conventional coating composition dispensing device is shown in figure 1, and arranged to move a hydraulic commutator with a hydraulic oil so as to cause a piston and a first piston of the hydraulic commutator to reciprocate up and down, whereby the reciprocating first piston causes a piston of a material suction device to reciprocate up and down, and whereby the material suction device draws coating material from a container holding the coating material through a material suction opening when the piston of the material suction device moves up; when the piston of the material suction device moves downwards, the material suction port of the material suction device is closed, and the coating is squeezed into a pipeline connected with the spray gun from the material discharge port of the material suction device and is conveyed to the spray gun for spraying.
In view of the above-described working principle, the external paint spraying and extruding process of the conventional paint spraying device is intermittent, that is, no external paint is sprayed when the piston of the suction device moves upwards, and the external paint is sprayed when the piston of the suction device moves downwards; however, because the reciprocating frequency of the hydraulic commutator is high, the spray gun is also moved manually by a hand, and the non-uniformity caused by intermittent extrusion of the coating is not particularly obvious. However, when the numerical control walking spraying is adopted, the phenomenon of uneven thickness caused by intermittent extrusion of the coating is quite obvious because the walking speed is quite consistent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a coating balanced spraying device is provided to solve numerical control walking spraying time and intermittent type nature and extrude coating and cause uneven thickness's problem.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a coating balanced spraying device comprises a hydraulic commutator and a material suction device, wherein a piston of the hydraulic commutator is connected with a piston of the material suction device through a first piston; the coating cylinder and the hydraulic cylinder respectively comprise cylinder bodies with sealed upper and lower ends and pistons arranged in the cylinder bodies, the cylinder bodies of the coating cylinder are divided into an upper cavity and a lower cavity by the piston of the coating cylinder, and the cylinder bodies of the hydraulic cylinder are divided into an upper cavity and a lower cavity by the piston of the hydraulic cylinder; the upper cavity of the coating cylinder body is rigidly connected with the lower cavity of the hydraulic cylinder body or is connected with the lower cavity of the hydraulic cylinder body through an oil way; the coating device is characterized in that a feeding hole and a discharging hole are formed in the lower cavity of the cylinder body of the coating cylinder, the feeding hole of the coating cylinder is communicated with the discharging hole of the material suction device, the discharging hole of the coating cylinder is externally connected with a spray gun through a pipeline, the upper cavity of the cylinder body of the hydraulic oil cylinder is communicated with the energy accumulator, and hydraulic oil is filled between the upper cavity of the cylinder body of the hydraulic oil cylinder and the energy accumulator.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the piston of the paint cylinder is connected to the piston of the hydraulic ram by a second piston when the upper cylinder chamber of the paint cylinder is rigidly connected to the lower cylinder chamber of the hydraulic ram, and the second piston extends between the upper cylinder chamber of the paint cylinder and the lower cylinder chamber of the hydraulic ram; the upper end of the coating cylinder body is rigidly connected with the lower end of the hydraulic cylinder body through a connecting rod.
Furthermore, the connecting rods are uniformly distributed and rigidly connected between the upper end of the coating cylinder and the lower end of the hydraulic cylinder.
Further, when the upper cylinder body cavity of the coating cylinder is connected with the lower cylinder body cavity of the hydraulic oil cylinder through an oil way, the upper cylinder body cavity of the coating cylinder is communicated with the lower cylinder body cavity of the hydraulic oil cylinder through a hydraulic oil pipeline, and hydraulic oil is filled between the upper cylinder body cavity of the coating cylinder and the lower cylinder body cavity of the hydraulic oil cylinder.
Furthermore, the energy accumulator is filled with pre-pressure.
Furthermore, the discharge hole of the coating cylinder is positioned above the feed hole of the coating cylinder, and a one-way valve is arranged in the cylinder body of the coating cylinder and positioned between the discharge hole and the feed hole of the coating cylinder.
Further, the inner diameter of the coating cylinder is the same as or different from that of the hydraulic oil cylinder.
The utility model has the advantages that: in the coating balanced spraying device of the utility model, when the device is not in working state, the piston of the hydraulic cylinder is pushed to the lowest end under the action of the pre-pressure of the energy accumulator; when the hydraulic oil cylinder is in a working state, when the piston of the material suction device moves downwards, the paint in the material suction device is pressed into the paint cylinder, pressure begins to exist in the pipeline, the piston of the paint cylinder is pushed upwards under the action of the pressure to drive the piston of the hydraulic oil cylinder to move upwards, the pressure of an upper cavity of the hydraulic oil cylinder is increased, and the energy accumulator stores energy; when the coating is extruded out of the coating cylinder, the pressure in the pipeline is increased, and part of the coating in the pipeline is extruded into the coating cylinder, so that the coating flowing to a spray gun is properly reduced compared with the coating extruded by the traditional coating spraying device by moving a piston of a suction device downwards; when the piston of the material suction device moves upwards, the material suction device starts to suck materials, the pressure of the coating in the pipeline is reduced at the moment, the coating extruded into the coating cylinder starts to supplement the coating to the pipeline, the supply amount of the coating during material suction is increased compared with that of the traditional coating spraying device when the piston of the material suction device moves upwards to suck the materials, and when the material suction device reciprocates, the coating cylinder drives the hydraulic cylinder to also passively reciprocate, and finally the effect of coating spraying balance is achieved.
Drawings
FIG. 1 is a schematic view of a conventional coating material dispensing device;
fig. 2 is a schematic structural view of a coating material equilibrium spraying device of the present invention;
fig. 3 is another schematic structural diagram of the coating material balanced spraying device of the present invention.
In the drawings, the reference numbers indicate the following list of parts:
1. the hydraulic reversing device comprises a hydraulic reverser, 2, a material sucking device, 3, a coating cylinder, 4, a hydraulic oil cylinder, 5, an energy accumulator, 6, a pipeline, 7, a first piston, 8, a second piston, 9, a connecting rod, 10, a hydraulic oil pipeline, 11, a one-way valve, 12 and a container.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
In the conventional paint spraying device, as shown in fig. 1, a hydraulic commutator 1 is driven by hydraulic oil to reciprocate a piston and a first piston 7 of the hydraulic commutator 1 up and down, the reciprocating first piston 7 drives a piston of a material suction device 2 to reciprocate up and down, and when the piston of the material suction device 2 moves up, the material suction device 2 sucks paint from a container 12 filled with the paint through a material suction port; when the piston of the material suction device 2 moves downwards, the material suction port of the material suction device 2 is closed, and the coating is extruded into the pipeline 6 for connecting the spray gun from the material discharge port of the material suction device 2 and is conveyed to the spray gun for spraying. Wherein, the inlet and outlet arrows on the hydraulic commutator 1 represent the inlet and outlet passages of the hydraulic oil.
For solving the uneven problem of numerical control walking spraying thickness, the utility model discloses one set of balanced equipment that comprises coating jar, hydraulic cylinder and energy storage ware has been increased on traditional spraying device, in order to constitute the utility model relates to a balanced spraying device of coating.
As shown in fig. 2 and 3, the present invention relates to a coating material balanced spraying device, which includes a hydraulic commutator 1 and a material suction device 2, wherein a piston of the hydraulic commutator 1 is connected to a piston of the material suction device 2 through a first piston 7; the coating device is characterized by further comprising a coating cylinder 3, a hydraulic oil cylinder 4 and an energy accumulator 5, wherein the coating cylinder 3 and the hydraulic oil cylinder 4 respectively comprise a cylinder body with sealed upper and lower ends and a piston arranged in the cylinder body, the cylinder body of the coating cylinder 3 is divided into an upper cavity and a lower cavity by the piston of the coating cylinder 3, and the cylinder body of the hydraulic oil cylinder 4 is divided into an upper cavity and a lower cavity by the piston of the hydraulic oil cylinder 4; the upper chamber of the coating cylinder 3 is rigidly connected with the lower chamber of the hydraulic cylinder 4 or connected through an oil way; a feeding hole and a discharging hole are formed in a lower cavity of a cylinder body of the coating cylinder 3, the feeding hole of the coating cylinder 3 is communicated with a discharging hole of the material suction device 2, the discharging hole of the coating cylinder 3 is externally connected with a spray gun through a pipeline 6, an upper cavity of a cylinder body of the hydraulic oil cylinder 4 is communicated with the energy accumulator 5, and hydraulic oil is filled between the upper cavity of the cylinder body of the hydraulic oil cylinder 4 and the energy accumulator 5.
In this particular embodiment: when the upper cylinder chamber of the painting cylinder 3 is rigidly connected to the lower cylinder chamber of the hydraulic cylinder 4, as shown in figure 2, the piston of the painting cylinder 3 is connected to the piston of the hydraulic cylinder 4 by a second piston 8, and the second piston 8 extends between the upper cylinder chamber of the painting cylinder 3 and the lower cylinder chamber of the hydraulic cylinder 4; the upper end of the coating cylinder 3 is rigidly connected with the lower end of the hydraulic cylinder 4 through a connecting rod 9. Specifically, the number of the connecting rods 9 is multiple, and the connecting rods 9 are uniformly distributed and rigidly connected between the upper end of the coating cylinder 3 and the lower end of the hydraulic cylinder 4.
In other embodiments: as shown in fig. 3, when the upper cylinder body chamber of the painting cylinder 3 is connected with the lower cylinder body chamber of the hydraulic cylinder 4 through an oil path, the upper cylinder body chamber of the painting cylinder 3 is communicated with the lower cylinder body chamber of the hydraulic cylinder 4 through a hydraulic oil pipeline 10, and hydraulic oil is filled between the upper cylinder body chamber of the painting cylinder 3 and the lower cylinder body chamber of the hydraulic cylinder 4.
In this particular embodiment: the energy accumulator 5 is filled with pre-pressure.
In this particular embodiment: the discharge gate of coating jar 3 is located the feed inlet top of coating jar 3 be equipped with check valve 11 in the cylinder body of coating jar 3 and be located between the discharge gate and the feed inlet of coating jar 3.
In this particular embodiment: the inner diameter of the coating cylinder 3 is the same as or different from that of the hydraulic oil cylinder 4. When the inner diameter of the coating cylinder 3 is different from the inner diameter of the hydraulic cylinder 4, the pressure between the cylinder body of the coating cylinder 3 and the cylinder body of the hydraulic cylinder 4 can be adjusted, for example, the inner diameter of the coating cylinder 3 is 50, the inner diameter of the hydraulic cylinder 4 is 80, and if the inner pressure of the coating cylinder 3 is 50MPa, the inner pressure of the hydraulic cylinder 4 is only 19.5MPa.
The working principle of the utility model is illustrated by taking the rigid connection of the upper cavity of the coating cylinder 3 and the lower cavity of the hydraulic cylinder 4 as an example:
the utility model discloses a balanced spraying device of coating is full of hydraulic oil between hydraulic cylinder 4 and the energy storage ware 5 under non-operating condition, and under the effect of 5 pre-compaction forces of energy storage ware, hydraulic cylinder 4's piston is pushed to the lower extreme. In a working state, when the piston of the material sucker 2 moves downwards, the paint in the material sucker 2 is pressed into the paint cylinder 3, pressure begins to exist in the pipeline 6, the piston of the paint cylinder 3 is pushed upwards under the action of the pressure, the piston of the hydraulic oil cylinder 4 is driven to move upwards through the second piston 8, the pressure of the upper chamber of the hydraulic oil cylinder 4 is gradually increased, the energy accumulator 5 stores energy, the pressure in the lower chamber of the cylinder body of the paint cylinder 3 is gradually reduced, when the paint is extruded out of the paint cylinder 3, the pressure in the pipeline 6 is increased, part of the paint in the pipeline 6 is extruded back to the paint cylinder 3, and the paint flowing to a spray gun is properly reduced compared with the paint extruded by the traditional paint spraying device when the piston of the material sucker 2 moves downwards; when the piston of the material suction device 2 moves upwards, the material suction device 2 starts to suck materials, at the same time, the pressure of the paint in the pipeline 6 is reduced, meanwhile, the energy accumulator 5 releases energy, so that the piston of the hydraulic oil cylinder 4 drives the piston of the paint cylinder 3 to move downwards through the second piston 8, the pressure in the lower cavity of the paint cylinder body of the paint cylinder 3 is gradually increased, the paint squeezed into the paint cylinder 3 starts to supplement the paint to the pipeline 6, and the supply amount of the paint in the pipeline 6 when the material suction device 2 sucks the materials is increased compared with the supply amount of the paint in the pipeline 6 when the piston of the material suction device 2 moves upwards to suck the materials in the traditional paint spraying device. When the material suction device 2 reciprocates, the coating cylinder 3 drives the hydraulic oil cylinder 4 to do reciprocating motion passively under the assistance of the energy accumulator 5, and finally the effect of coating spraying balance is achieved.
In addition: in the utility model, in order to ensure that the coating in the pipeline 6 is not sucked back at the same time when the material suction device 2 moves upwards, a one-way valve 11 is additionally arranged in the coating cylinder 3, and the flow direction of the one-way valve 11 is from the feeding hole of the coating cylinder 3 to the discharging hole of the coating cylinder 3; at the same time, the non-return valve 11 ensures that all the paint supplied to the pipe 6 enters the gun. The function of the check valve 11 is to prevent backflow.
The utility model discloses a reduce the supply quantity of traditional coating spraying device in the pipeline when the piston of inhaling glassware moves down and arranges the material, and increase the supply quantity of traditional coating spraying device in the pipeline when the piston of inhaling glassware moves upward and inhales the material, the supply quantity that makes the in-pipeline coating increase reaches the equilibrium with the supply quantity that reduces, thereby make and inhale the glassware in the intermittent type nature extrusion coating in-process of inhaling material and arranging the material, the coating supply quantity in the pipeline all is the same, and then the assurance is thickness even when numerical control walking spraying.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. A coating material balanced spraying device comprises a hydraulic commutator (1) and a material suction device (2), wherein a piston of the hydraulic commutator (1) is connected with a piston of the material suction device (2) through a first piston (7); the method is characterized in that: the coating device is characterized by further comprising a coating cylinder (3), a hydraulic oil cylinder (4) and an energy accumulator (5), wherein the coating cylinder (3) and the hydraulic oil cylinder (4) respectively comprise a cylinder body with sealed upper and lower ends and a piston arranged in the cylinder body, the cylinder body of the coating cylinder (3) is divided into an upper cavity and a lower cavity by the piston of the coating cylinder (3), and the cylinder body of the hydraulic oil cylinder (4) is divided into an upper cavity and a lower cavity by the piston of the hydraulic oil cylinder (4); the upper chamber of the coating cylinder (3) is rigidly connected with the lower chamber of the hydraulic cylinder (4) or connected through an oil way; the coating device is characterized in that a feeding hole and a discharging hole are formed in a lower cavity of a cylinder body of the coating cylinder (3), the feeding hole of the coating cylinder (3) is communicated with the discharging hole of the material suction device (2), the discharging hole of the coating cylinder (3) is externally connected with a spray gun through a pipeline (6), an upper cavity of the cylinder body of the hydraulic cylinder (4) is communicated with the energy accumulator (5), and hydraulic oil is filled between the upper cavity of the cylinder body of the hydraulic cylinder (4) and the energy accumulator (5).
2. The coating material balanced spray device of claim 1, wherein: a piston of the coating cylinder (3) and a piston of the hydraulic cylinder (4) are connected by a second piston (8) when the upper cylinder chamber of the coating cylinder (3) is rigidly connected to the lower cylinder chamber of the hydraulic cylinder (4), and the second piston (8) extends between the upper cylinder chamber of the coating cylinder (3) and the lower cylinder chamber of the hydraulic cylinder (4); the upper end of the coating cylinder (3) is rigidly connected with the lower end of the hydraulic cylinder (4) through a connecting rod (9).
3. The coating material balanced spray device of claim 2, wherein: the coating device is characterized in that the connecting rods (9) are arranged in a plurality, and the connecting rods (9) are uniformly distributed and are rigidly connected between the upper end of the coating cylinder (3) and the lower end of the hydraulic cylinder (4).
4. The coating material balanced spray device of claim 1, wherein: when the upper cavity of the coating cylinder (3) is connected with the lower cavity of the hydraulic oil cylinder (4) through an oil way, the upper cavity of the coating cylinder (3) is communicated with the lower cavity of the hydraulic oil cylinder (4) through a hydraulic oil pipeline (10), and hydraulic oil is filled between the upper cavity of the coating cylinder (3) and the lower cavity of the hydraulic oil cylinder (4).
5. The coating material equalizing device of any one of claims 1 to 4, wherein: the energy accumulator (5) is filled with pre-pressure.
6. The coating material balanced spraying device according to any one of claims 1 to 4, characterized in that: the discharge hole of the coating cylinder (3) is positioned above the feed hole of the coating cylinder (3), and a check valve (11) is arranged in the cylinder body of the coating cylinder (3) and positioned between the discharge hole and the feed hole of the coating cylinder (3).
7. The coating material equalizing device of any one of claims 1 to 4, wherein: the inner diameter of the coating cylinder (3) is the same as or different from that of the hydraulic oil cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220414011.4U CN217550132U (en) | 2022-02-28 | 2022-02-28 | Balanced spraying device of coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220414011.4U CN217550132U (en) | 2022-02-28 | 2022-02-28 | Balanced spraying device of coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217550132U true CN217550132U (en) | 2022-10-11 |
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ID=83468551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220414011.4U Active CN217550132U (en) | 2022-02-28 | 2022-02-28 | Balanced spraying device of coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217550132U (en) |
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2022
- 2022-02-28 CN CN202220414011.4U patent/CN217550132U/en active Active
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