A vacuum varnishing machine

Abstract

The utility model discloses a vacuum varnishing machine, comprising a frame, a varnishing box, an exhaust assembly, an air collecting hood and an exhaust assembly, wherein the varnishing box is mounted on the frame, the exhaust assembly is connected to the varnishing box and is used to exhaust air into the varnishing box to form a vacuum environment; the air collecting hood is mounted on the frame, and the air collecting hood is arranged on the varnishing box; the exhaust assembly is connected to the air collecting hood and is used to exhaust the air in the air collecting hood. The utility model has the advantages of simple structure, space saving, safe and convenient operation.

Description

Technical Field

[0001] The utility model relates to the technical field of insulation impregnation, in particular to a vacuum varnish dipping machine. Background Art

[0002] The vacuum varnishing machine is a device used in the varnishing process of coils of electronic components such as transformers. Based on a negative pressure working environment, it can improve the penetration ability of insulating varnish and increase the filling rate, thereby improving the overall mechanical strength, insulation strength, moisture-proof and mildew-proof properties of the electrical coils, shortening the immersion time, reducing production costs and improving product quality.

[0003] However, insulating paint produces a strong pungent smell, which diffuses when the paint dipping box is opened after the paint dipping is completed. Therefore, in actual production, the paint dipping equipment needs to be set up in a separate factory building to avoid the spread of the insulating paint smell. Production personnel also need to wear protective equipment to prevent long-term work under the pungent smell of insulating paint, which may cause harm to the body. The operation is very inconvenient. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a vacuum varnishing machine with a simple structure and safe and convenient operation.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A vacuum varnishing machine comprises a frame, a varnishing box, an exhaust assembly, an air hood and an exhaust assembly, wherein the varnishing box is mounted on the frame, the exhaust assembly is connected to the varnishing box and is used to exhaust air into the varnishing box to form a vacuum environment; the air hood is mounted on the frame and is disposed on the varnishing box; the exhaust assembly is connected to the air hood and is used to exhaust the air in the air hood.

[0007] As a further improvement of the above technical solution:

[0008] The paint dipping box comprises a box body and a cover body, wherein the box body is installed on the frame, and the cover body is connected to the box body in an openable and closable manner.

[0009] One end of the cover body is movably hinged on the box body. The paint dipping box also includes a first driving mechanism, which is connected to the cover body and can drive the cover body to rotate relative to the box body.

[0010] The first driving mechanism is configured as a hydraulic cylinder or an air cylinder, one end of the hydraulic cylinder or the air cylinder is connected to the box body, and the other end is connected to the cover body.

[0011] The cover body is provided with a pressure gauge and an observation window.

[0012] The air extraction component comprises an air extraction pipeline and an air extraction pump, and two ends of the air extraction pipeline are respectively connected to the paint dipping box and the air extraction pump.

[0013] The air collecting hood includes a hood body, a door body and a second driving mechanism. The hood body is installed on the frame, the door body is movably connected to the hood body, the second driving mechanism is connected to the door body, the hood body is provided with an operating port, and the second driving mechanism can drive the door body to move relative to the hood body to close or open the operating port.

[0014] At least one edge of the operation port is provided with a slide groove, the door body is connected to the slide groove, and the door body can move relative to the cover body along the slide groove.

[0015] The exhaust assembly comprises an exhaust pipe and an exhaust gas treatment mechanism, and two ends of the exhaust pipe are respectively connected to the air collecting hood and the exhaust gas treatment mechanism.

[0016] The vacuum varnish dipping machine further comprises a control cabinet, which is mounted on the frame and is electrically connected to the varnish dipping box and the air extraction assembly respectively.

[0017] Compared with the prior art, the advantages of the utility model are:

[0018] The vacuum paint dipping machine of the utility model, when in use, places the workpiece to be painted in the paint dipping box, starts the exhaust component to form a vacuum environment in the paint dipping box, and after the paint dipping is completed, the gas collecting hood can prevent the irritating odor of the insulating paint from emitting, and the gas is discharged through the exhaust component. By setting the gas collecting hood to cover the paint dipping box, no irritating odor will be emitted during and after the paint dipping. Therefore, there is no need to set up a separate site for the paint dipping equipment, which reduces space occupancy. In addition, the safety of the operator is guaranteed, and the operator can operate without wearing protective equipment, which is convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram (front view) of the overall structure of the utility model.

[0020] Figure 2 It is a schematic diagram (axonometric diagram) of the overall structure of the utility model.

[0021] The symbols in the figure represent:

[0022] 1. Rack; 11. First mounting frame; 12. Second mounting frame; 2. Paint dipping box; 21. Box body; 22. Cover body; 221. Pressure gauge; 222. Observation window; 3. Air extraction assembly; 4. Air collecting hood; 41. Cover body; 411. Operation port; 4111. Slideway; 42. Door body; 43. Second driving mechanism; 5. Exhaust assembly; 6. Control cabinet. DETAILED DESCRIPTION

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0024] like Figure 1 and Figure 2 As shown, the vacuum varnishing machine of this embodiment includes: a frame 1, a varnishing box, an exhaust assembly, an air hood and an exhaust assembly. The varnishing box 2 is installed on the frame 1; the exhaust assembly 3 is connected to the varnishing box 2, and the exhaust assembly 3 is used to exhaust air into the varnishing box 2 to form a vacuum environment; the air hood 4 is installed on the frame 1, and the air hood 4 is covered on the varnishing box 2; the exhaust assembly 5 is connected to the air hood 4, and the exhaust assembly 5 is used to exhaust the air in the air hood 4.

[0025] When the vacuum varnishing machine is working, the workpiece to be varnished is placed in the varnishing box 2, and the exhaust assembly 3 is started to form a true pressure environment in the varnishing box 2. During the varnishing process, the gas collecting hood 4 can prevent the irritating gas of the insulating paint from escaping into the working environment, and the irritating gas is discharged through the exhaust assembly 5. The vacuum varnishing machine has a simple structure. The gas collecting hood 4 is provided to cover the varnishing box 2, so that no irritating odor will be emitted during and after the varnishing process. Therefore, there is no need to set up a separate site for the varnishing equipment, which reduces space occupation. In addition, the safety of the operator is also guaranteed, and the operator can operate without wearing protective equipment.

[0026] The frame 1 includes a first mounting frame 11 and a second mounting frame 12 connected to each other. In the vertical direction, the first mounting frame 11 is arranged above the second mounting frame 12. The paint dipping box 2 is installed on the first mounting frame 11, the exhaust assembly 3 is at least partially installed on the second mounting frame 12, and the gas collecting hood 4 is arranged above the first mounting frame 11. It should be noted that the vertical direction described in this embodiment refers to the direction perpendicular to the ground or the working platform when the vacuum paint dipping machine is installed on the ground or the working platform, and the upper part described in this embodiment refers to the direction away from the ground or the working platform in the vertical direction.

[0027] In this embodiment, the varnish dipping box 2 includes a box body 21 and a cover body 22. The box body 21 is mounted on the first mounting frame 11 of the frame 1, and the cover body 22 is openably connected to the box body 21. The box body 21 is used to contain insulating varnish, and the cover body 22 is openably connected to the box body 21, which can facilitate the placement of workpieces in the box body 21.

[0028] In this embodiment, one end of the cover 22 is movably hinged on the box 21 . The paint dipping box 2 also includes a first driving mechanism connected to the cover 22 . The first driving mechanism can drive the cover 22 to rotate relative to the box 21 .

[0029] In this embodiment, the first driving mechanism includes a hydraulic cylinder, one end of which is connected to the cover body 22 and is used to drive the cover body 22 to open and close relative to the box body 21.

[0030] In some other embodiments, the first driving mechanism further includes an articulated shaft, one end of which is articulated to the output shaft of the liquid oxygen cylinder, and the other end of which is articulated to the cover body 22, and the hydraulic cylinder can drive the cover body 22 to rotate relative to the box body 21 through the articulated shaft.

[0031] It is understandable that in some other embodiments, the first driving mechanism may also be configured as other structures, such as a cylinder, a motor, etc., which is not limited here.

[0032] In this embodiment, a pressure gauge 221 is provided on the cover body 22 , and a sensing portion of the pressure gauge 221 extends through the cover body 22 into the box body 21 . The pressure gauge 221 is used to detect and display the internal pressure of the paint dipping box 2 .

[0033] In this embodiment, the cover body 22 is further provided with an observation window 222 , which is made of a transparent material, and can facilitate observation of the internal conditions of the paint dipping box 2 .

[0034] In this embodiment, the exhaust assembly 3 includes an exhaust pipe and an exhaust pump, the exhaust pump is installed on the second mounting frame 12, and the two ends of the exhaust pipe are connected to the paint dipping box 2 and the exhaust pump respectively. The exhaust pump can extract the air inside the paint dipping box 2 through the exhaust pipe, thereby forming a vacuum environment in the paint dipping box 2. Among them, the exhaust pipe is connected to the upper end of the box body 21 to avoid extracting the insulating paint of the box body 21. Of course, in some other embodiments, the exhaust pipe can also be connected to the cover body 22, which is not limited here.

[0035] In this embodiment, the air collecting hood 4 includes a hood body 41, a door body 42 and a second driving mechanism 43. The hood body 41 is installed above the first mounting frame 11 of the frame 1, the door body 42 is movably connected to the hood body 41, and the second driving mechanism 43 is connected to the door body 42. Specifically, the hood body 41 is provided with an operation port 411, the door body 42 is arranged at the operation port 411, and the second driving mechanism 43 is arranged as a hydraulic cylinder, and the door body 42 can be driven by the hydraulic cylinder to move relative to the hood body 41 to close or open the operation port 411.

[0036] In this embodiment, at least one edge of the operation port 411 is provided with a slide groove 4111, and the door body 42 is connected to the slide groove 4111, and the door body 42 can move relative to the cover body 41 along the slide groove 4111. The door body 42 is made of a transparent material, and is connected to the cover body 41 through the slide groove 4111, which is easy to move, and can form a sealing effect on the operation port 411 to prevent gas from escaping, and is convenient for observing the internal situation of the cover body 41.

[0037] In this embodiment, the exhaust component 5 includes an exhaust pipe and an exhaust gas treatment mechanism (not shown in the figure). The two ends of the exhaust pipe are respectively connected to the gas collecting hood 4 and the exhaust gas treatment mechanism. The exhaust pipe can discharge the irritating gas in the gas collecting hood 4 to the exhaust gas treatment mechanism and treat it through the exhaust gas treatment mechanism.

[0038] In this embodiment, the vacuum lacquer dipping machine further includes a control cabinet 6, which is mounted on the side of the frame 1, and the control cabinet 6 is electrically connected to the lacquer dipping box 2 and the air extraction assembly 3. Specifically, the control cabinet 6 is electrically connected to the driving structure of the lacquer dipping box 2, and the control cabinet 6 can control the driving mechanism to drive the cover 22 to open or close; and the control cabinet 6 is electrically connected to the air extraction pump of the air extraction assembly 3, and the control cabinet 6 can control the opening or closing of the air extraction pump. In some other embodiments, the control cabinet 6 is also electrically connected to the second driving mechanism 43 to control the second driving mechanism 43 to drive the door 42 to open or close.

[0039] Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A vacuum varnishing machine, characterized in that: The invention comprises a frame (1), a paint dipping box (2), an exhaust assembly (3), an air collecting hood (4) and an exhaust assembly (5), wherein the paint dipping box (2) is mounted on the frame (1), the exhaust assembly (3) is connected to the paint dipping box (2) and is used to exhaust air into the paint dipping box (2) to form a vacuum environment; the air collecting hood (4) is mounted on the frame (1), and the air collecting hood (4) is arranged on the paint dipping box (2); the exhaust assembly (5) is connected to the air collecting hood (4) and is used to exhaust the air in the air collecting hood (4).

2. The vacuum impregnation machine according to claim 1, characterized in that: The paint dipping box (2) comprises a box body (21) and a cover body (22); the box body (21) is installed on the frame (1), and the cover body (22) is connected to the box body (21) in an openable and closable manner.

3. The vacuum impregnation machine according to claim 2, characterized in that: One end of the cover body (22) is movably hinged on the box body (21), and the paint dipping box (2) also includes a first driving mechanism, which is connected to the cover body (22) and can drive the cover body (22) to rotate relative to the box body (21).

4. The vacuum impregnation machine according to claim 3, characterized in that: The first driving mechanism is configured as a hydraulic cylinder or a pneumatic cylinder, one end of the hydraulic cylinder or the pneumatic cylinder is connected to the box body (21), and the other end is connected to the cover body (22).

5. The vacuum impregnation machine according to claim 4, characterized in that: The cover body (22) is provided with a pressure gauge (221) and an observation window (222).

6. The vacuum impregnation machine according to claim 1, characterized in that: The air extraction component (3) comprises an air extraction pipeline and an air extraction pump, and the two ends of the air extraction pipeline are respectively connected to the paint dipping box (2) and the air extraction pump.

7. The vacuum impregnation machine according to claim 1, characterized in that: The air collecting hood (4) comprises a hood body (41), a door body (42) and a second driving mechanism (43); the hood body (41) is mounted on the frame (1); the door body (42) is movably connected to the hood body (41); the second driving mechanism (43) is connected to the door body (42); the hood body (41) is provided with an operating port (411); the second driving mechanism (43) can drive the door body (42) to move relative to the hood body (41) so as to close or open the operating port (411).

8. The vacuum impregnation machine according to claim 6, characterized in that: At least one edge of the operating port (411) is provided with a slide groove, the door body (42) is connected to the slide groove, and the door body (42) can move along the slide groove relative to the cover body (41).

9. The vacuum impregnation machine according to claim 1, characterized in that: The exhaust assembly (5) comprises an exhaust pipe and an exhaust gas treatment mechanism, and two ends of the exhaust pipe are respectively connected to the air collecting hood (4) and the exhaust gas treatment mechanism.

10. The vacuum impregnation machine according to any one of claims 1 to 9, characterized in that: The vacuum varnish dipping machine further comprises a control cabinet (6), wherein the control cabinet (6) is mounted on the frame (1), and the control cabinet (6) is electrically connected to the varnish dipping box (2) and the air extraction assembly (3) respectively.

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