Automatic mixing device for coating for spraying electronic component

Abstract

The utility model relates to the technical field of coating mixing devices, in particular to an automatic coating mixing device for spraying electronic components, which comprises a mixing tank, one side of the top end of the mixing tank is fixedly communicated with a feed hopper, the bottom end of the mixing tank is fixedly communicated with a discharge pipe, and the top end of the mixing tank is fixedly connected with a first motor. An output shaft of the first motor penetrates into the mixing tank and is fixedly sleeved with a stirring rod, the other side of the top end of the mixing tank is fixedly connected with a feeding box, the top end of the feeding box fixedly communicates with a storage hopper, one end of the feeding box is fixedly connected with a second motor, and an output shaft of the second motor penetrates into the feeding box and is fixedly sleeved with a feeding spiral plate; a feeding hole is formed in the top end of the mixing tank, and a hole is formed in the bottom end of the feeding box. Compared with the prior art, the speed of the diluent falling into the mixing tank and the amount of the diluent are well controlled, the situation that too many bubbles are generated in the coating is reduced, and the follow-up coating defoaming difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to paint mixing device technical field especially relates to a kind of paint automatic mixing device for electronic component spraying. BACKGROUND

[0002] Electronic component is the basic element in electronic circuit, usually individual package, and with two or more than two lead or metal contact point, electronic component must be connected to constitute a specific function electronic circuit, for example: amplifier, radio receiver, oscillator etc., one of the common ways of connecting electronic component is welded to printed circuit board, electronic component can be individual package (resistor, capacitor, inductor, transistor, diode etc.), or group of various different complexity.

[0003] In the prior art, the patent with the publication number CN219399932U proposes an automatic feeding and mixing device for water-based paint, which, when in use, starts the first motor to drive the wall-breaking knife to rotate, breaks the solid raw material blocks located above the filtering mechanism, so as to avoid the uneven mixing caused by the agglomeration of part of the solid raw material powder or the large size of the raw material blocks during the mixing process, but in actual application, the three-proofing paint in the spraying paint for electronic components needs to add a special diluent during mixing, and the diluent needs to be added slowly in order to reduce the bubbles generated during mixing, the existing diluent is mostly manually added by the staff, and the amount of diluent is not easy to control, which is prone to cause too many bubbles in the paint and subsequent defoaming difficulties, therefore, we disclose a paint automatic mixing device for electronic component spraying. SUMMARY

[0004] Therefore, the utility model aims at providing a paint automatic mixing device for electronic component spraying to solve the problem of too many bubbles in the paint and subsequent defoaming difficulties.

[0005] To achieve the above purpose, the utility model provides a paint automatic mixing device for electronic component spraying, which comprises a mixing tank, a feeding hopper is fixedly connected to one side of the top end of the mixing tank, a discharge pipe is fixedly connected to the bottom end of the mixing tank, a first motor is fixedly connected to the top end of the mixing tank, the output shaft of the first motor penetrates into the mixing tank and is fixedly sleeved with a stirring rod, a feeding box is fixedly connected to the other side of the top end of the mixing tank, a storage hopper is fixedly connected to the top end of the feeding box, a second motor is fixedly connected to one end of the feeding box, the output shaft of the second motor penetrates into the feeding box and is fixedly sleeved with a feeding spiral plate, a feeding hole is formed in the top end of the mixing tank, a hole is formed in the bottom end of the feeding box, and the hole is matched with the feeding hole.

[0006] Preferably, one end of the discharge pipe extending outside the mixing tank is threadedly connected with a sealing cap, and the top ends of the feeding hopper and the storage hopper are threadedly connected with sealing covers.

[0007] Preferably, the stirring rod is rotationally connected with the mixing tank, and the feeding hopper and the storage hopper are funnel-shaped.

[0008] Preferably, the feeding spiral plate is rotationally connected in the feeding box, the feeding box is a cylindrical groove, and the feeding hole and the storage hopper are respectively located at two ends of the feeding box.

[0009] Preferably, one side of the lower end of the storage hopper is fixedly connected with a flow guide plate, the lower end of the storage hopper is rotationally connected with a connecting shaft, the middle part of the connecting shaft is fixedly connected with a limiting plate, one end of the connecting shaft penetrates to the outside of the storage hopper and is fixedly connected with a rotating disc, one end of the rotating disc is fixedly connected with a first spring, one end of the first spring is fixedly connected with a limiting rod, and a plurality of limiting grooves are formed in the outer wall of the storage hopper, and the limiting rod is movably clamped with the limiting grooves through the rotating disc.

[0010] Preferably, the limiting grooves are arc-shaped and equidistantly distributed, the arc centers of the limiting grooves and the center of the rotating disc are the same point, and the limiting rod is T-shaped.

[0011] Preferably, the top surface of the flow guide plate is obliquely arranged relative to the horizontal plane, the bottom end of the top surface of the flow guide plate is inclined to the limiting plate, and the flow guide plate is located at the upper end of the limiting plate.

[0012] Preferably, the limiting plate is semicircular, and the arc surface of the limiting plate is attached to the storage hopper.

[0013] Preferably, the top end of the mixing tank is fixedly connected with a first gas outlet pipe, the upper and lower ends of the first gas outlet pipe are respectively fixedly connected with a sealing ring and a first fixed ring, the middle part of the sealing ring is slidably sleeved with a connecting rod, the bottom end of the connecting rod is fixedly connected with a second spring, the top end of the second spring is fixedly connected with the sealing ring, the bottom end of the connecting rod is attached to the first fixed ring, one side of the first gas outlet pipe is fixedly connected with a second gas outlet pipe, both ends of the second gas outlet pipe are fixedly connected with a second fixed ring, the second fixed ring away from the first gas outlet pipe is fixedly connected with a third spring, one side of the third spring is fixedly connected with a sealing plate, and the sealing plate is attached to the second fixed ring close to the first gas outlet pipe.

[0014] Preferably, the connecting rod is an I-shaped, the upper end of the connecting rod extends to the outside of the first air outlet pipe, the diameter of the outer wall of the sealing plate is smaller than the diameter of the inner wall of the second air outlet pipe and the diameter of the inner wall of the second fixed ring, the diameter of the outer wall of the connecting rod is larger than the diameter of the inner wall of the first fixed ring and smaller than the diameter of the inner wall of the first air outlet pipe.

[0015] The beneficial effects of the utility model are as follows: the first motor drives the stirring rod to rotate and mix the paint, the mixed tank fixes the position of the feeding box, the feeding box fixes the position of the second motor, the diluent in the storage hopper can enter the feeding box, the second motor can drive the feeding spiral plate to rotate and move the diluent from one end of the feeding box to the other end, the staff pours the diluent into the storage hopper, then starts the second motor, the feeding spiral plate drives the diluent falling into the feeding box to move at a uniform speed to the upper end of the feeding hole, then falls into the mixed tank for mixing and stirring, the speed of the diluent falling into the mixed tank and the amount of the diluent are better controlled, the condition of too many bubbles in the paint is reduced, and the difficulty of subsequent paint defoaming is reduced.

[0016] When the diluent needs to be added into the mixed tank, the clamping of the limiting rod and the limiting groove is disconnected, then the rotating disc is rotated, the rotating disc drives the limiting plate to rotate downward through the connecting shaft, the diluent on the upper end of the limiting plate slides downward and falls into the feeding box, and the adding time of the diluent and the adding amount of the diluent are facilitated to be controlled. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 It is the schematic diagram of the embodiment of the utility model;

[0019] Figure 2 It is the schematic diagram of the partial cutaway structure of the mixed tank of the utility model;

[0020] Figure 3 It is the schematic diagram of the partial cutaway structure of the mixed tank of the utility model; Figure 2

[0021] Figure 4 It is the schematic diagram of the partial cutaway structure of the first air outlet pipe of the utility model.

[0022] In the drawing, the following are marked:

[0023] ​1, mixing tank; 2, feed hopper; 3, discharge pipe; 4, first motor; 5, stirring rod; 6, storage hopper; 7, feeding box; 8, second motor; 9, feeding spiral plate; 10, feed hole; 11, guide plate; 12, limiting plate; 13, connecting shaft; 14, rotating disc; 15, limiting rod; 16, first spring; 17, limiting groove; 18, first air outlet pipe; 19, sealing ring; 20, first fixed ring; 21, second spring; 22, connecting rod; 23, second air outlet pipe; 24, second fixed ring; 25, third spring; 26, sealing plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below with specific examples.

[0025] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present application should be understood as the common meaning understood by those skilled in the art to which the present application belongs. The "first", "second" and similar words used in the present application do not represent any order, quantity or importance, but are only used to distinguish different components. "Including" or "containing" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connected" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, and when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0026] As Figures 1-4As shown, an electronic component spraying paint automatic mixing device, including mixing tank 1, one side of the top end of mixing tank 1 is fixedly connected with feed hopper 2, the bottom end of mixing tank 1 is fixedly connected with discharge pipe 3, the top end of mixing tank 1 is fixedly connected with first motor 4, the output shaft of first motor 4 penetrates into mixing tank 1 and is fixedly sleeved with stirring rod 5, the other side of the top end of mixing tank 1 is fixedly connected with feeding box 7, the top end of feeding box 7 is fixedly connected with storage hopper 6, one end of feeding box 7 is fixedly connected with second motor 8, the output shaft of second motor 8 penetrates into feeding box 7 and is fixedly sleeved with feeding spiral plate 9, the top end of mixing tank 1 is provided with feed hole 10, the bottom end of feeding box 7 is provided with hole, the hole is matched with feed hole 10, one end of discharge pipe 3 extending to the outside of mixing tank 1 is threadedly connected with sealing cap, the top end of feed hopper 2 and storage hopper 6 is threadedly connected with sealing cover, stirring rod 5 is rotatably connected with mixing tank 1, feed hopper 2 and storage hopper 6 are funnel-shaped, feeding spiral plate 9 is rotatably connected in feeding box 7, feeding box 7 is cylindrical slot, feed hole 10 and storage hopper 6 are respectively located at both ends of feeding box 7, one side of the lower end of storage hopper 6 is fixedly connected with flow guide plate 11, the lower end of storage hopper 6 is rotatably connected with connecting shaft 13, the middle part of connecting shaft 13 is fixedly connected with limiting plate 12, one end of connecting shaft 13 penetrates to the outside of storage hopper 6 and is fixedly connected with rotating disc 14, one end of rotating disc 14 is fixedly connected with first spring 16, one end of first spring 16 is fixedly connected with limiting rod 15, the outer wall of storage hopper 6 is provided with a plurality of limiting grooves 17, limiting rod 15 penetrates rotating disc 14 and movably clamps with limiting groove 17, limiting groove 17 is arc-shaped and equidistantly distributed, the arc center of limiting groove 17 and the center of rotating disc 14 are the same point, limiting rod 15 is T-shaped, the top surface of flow guide plate 11 is inclinedly arranged relative to horizontal plane, the bottom end of the top surface of flow guide plate 11 is inclined to limiting plate 12, flow guide plate 11 is located at the upper end of limiting plate 12, limiting plate 12 is semicircular, the arc surface of limiting plate 12 is attached to storage hopper 6, in use, through the one side of the top end of mixing tank 1 is fixedly connected with feed hopper 2, the bottom end of mixing tank 1 is fixedly connected with discharge pipe 3, so that the material can be put into mixing tank 1 from feed hopper 2, so that the mixed paint in mixing tank 1 can flow out from discharge pipe 3, through the top end of mixing tank 1 is fixedly connected with first motor 4, the output shaft of first motor 4 penetrates into mixing tank 1 and is fixedly sleeved with stirring rod 5, so that the position of mixing tank 1 is fixed, so that first motor 4 drives stirring rod 5 to rotate and mixes paint, through the other side of the top end of mixing tank 1 is fixedly connected with feeding box 7, the top end of feeding box 7 is fixedly connected with storage hopper 6, one end of feeding box 7 is fixedly connected with second motor 8, the output shaft of second motor 8 penetrates into feeding box 7 and is fixedly sleeved with feeding spiral plate 9, so that the position of mixing tank 1 is fixed, so that the position of feeding box 7 is fixed, so that the diluent in storage hopper 6 can enter feeding box 7, so that second motor 8 can drive feeding spiral plate 9 to rotate and move the diluent from one end of feeding box 7 to the other end,The top end of the mixing tank 1 is provided with a feeding hole 10, and the bottom end of the feeding box 7 is provided with a hole which is matched with the feeding hole 10, so that the staff can pour the diluent into the storage hopper 6, then start the second motor 8, and make the feeding spiral plate 9 drive the diluent falling into the feeding box 7 to move uniformly to the upper end of the feeding hole 10, and then fall into the mixing tank 1 for mixing and stirring, so as to better control the falling speed of the diluent into the mixing tank 1 and the amount of the diluent, reduce the emergence of too many bubbles in the paint, and reduce the difficulty of subsequent paint defoaming. The end of the discharge pipe 3 extending to the outside of the mixing tank 1 is threadedly connected with a sealing cap, and the top ends of the feeding hopper 2 and the storage hopper 6 are threadedly connected with sealing covers, so that the inside of the mixing tank 1 can be sealed when the paint in the mixing tank 1 is mixed. The feeding hopper 2 and the storage hopper 6 are funnel-shaped, so that the materials are easy to fall. The feeding hole 10 and the storage hopper 6 are respectively located at two ends of the feeding box 7, so as to avoid that the materials falling in the storage hopper 6 directly enter the mixing tank 1. The lower end of the storage hopper 6 is fixedly connected with a flow guide plate 11 on one side, and the lower end of the storage hopper 6 is rotatably connected with a connecting shaft 13. The middle part of the connecting shaft 13 is fixedly connected with a limiting plate 12, and one end of the connecting shaft 13 penetrates to the outside of the storage hopper 6 and is fixedly connected with a rotating disc 14. One end of the rotating disc 14 is fixedly connected with a first spring 16, one end of the first spring 16 is fixedly connected with a limiting rod 15, and the outer wall of the storage hopper 6 is provided with a plurality of limiting grooves 17. The limiting rod 15 penetrates the rotating disc 14 and is movably clamped with the limiting grooves 17, so that when the diluent needs to be added into the mixing tank 1, the clamping between the limiting rod 15 and the limiting grooves 17 is disconnected, then the rotating disc 14 is rotated, the limiting plate 12 is driven by the connecting shaft 13 to rotate downward, the diluent on the upper end of the limiting plate 12 slides downward and falls into the feeding box 7, so as to facilitate the control of the adding time and the adding amount of the diluent. The limiting grooves 17 are arc-shaped and equidistantly distributed, the arc center of the limiting grooves 17 and the center of the rotating disc 14 are the same point, so as to facilitate the control of the adding amount of the diluent. The limiting rod 15 is T-shaped, so that the limiting rod 15 is convenient to use. The top surface of the flow guide plate 11 is inclined relative to the horizontal plane, the bottom end of the top surface of the flow guide plate 11 is inclined to the limiting plate 12, the flow guide plate 11 is located at the upper end of the limiting plate 12, the limiting plate 12 is semicircular, and the arc surface of the limiting plate 12 is attached to the storage hopper 6, so that the combination of the flow guide plate 11 and the limiting plate 12 can limit the falling of the diluent, the top ends of the flow guide plate 11 and the limiting plate 12 will not retain the diluent, and the use is convenient.

[0027] As a preferred embodiment in the present embodiment, as Figure 2 and Figure 4As shown, the top end of the mixing tank 1 is fixedly connected with the first gas outlet pipe 18, the upper and lower ends of the first gas outlet pipe 18 are fixedly connected with the sealing ring 19 and the first fixed ring 20 respectively, the middle part of the sealing ring 19 is slidingly sleeved with the connecting rod 22, the bottom end of the connecting rod 22 is fixedly connected with the second spring 21, the top end of the second spring 21 is fixedly connected with the sealing ring 19, the bottom end of the connecting rod 22 is attached to the first fixed ring 20, one side of the first gas outlet pipe 18 is fixedly connected with the second gas outlet pipe 23, the two ends of the second gas outlet pipe 23 are fixedly connected with the second fixed ring 24, the second fixed ring 24 away from the first gas outlet pipe 18 is fixedly connected with the third spring 25, one side of the third spring 25 is fixedly connected with the sealing plate 26, the sealing plate 26 is attached to the second fixed ring 24 close to the first gas outlet pipe 18, the connecting rod 22 is I-shaped, the upper end of the connecting rod 22 extends to the outside of the first gas outlet pipe 18, the diameter value of the outer wall of the sealing plate 26 is less than the diameter value of the inner wall of the second gas outlet pipe 23 and greater than the diameter value of the inner wall of the second fixed ring 24, the diameter value of the outer wall of the connecting rod 22 is greater than the inner wall diameter value of the first fixed ring 20 and less than the inner wall diameter value of the first gas outlet pipe 18, the top end of the mixing tank 1 is fixedly connected with the first gas outlet pipe 18, so that the gas in the mixing tank 1 can enter the first gas outlet pipe 18, the upper and lower ends of the first gas outlet pipe 18 are fixedly connected with the sealing ring 19 and the first fixed ring 20 respectively, the middle part of the sealing ring 19 is slidingly sleeved with the connecting rod 22, the bottom end of the connecting rod 22 is fixedly connected with the second spring 21, the top end of the second spring 21 is fixedly connected with the sealing ring 19, the bottom end of the connecting rod 22 is attached to the first fixed ring 20, so that the connecting rod 22 is pulled upward to compress the second spring 21, and the gas in the mixing tank 1 is sucked into the first gas outlet pipe 18, one side of the first gas outlet pipe 18 is fixedly connected with the second gas outlet pipe 23, the two ends of the second gas outlet pipe 23 are fixedly connected with the second fixed ring 24, the second fixed ring 24 away from the first gas outlet pipe 18 is fixedly connected with the third spring 25, one side of the third spring 25 is fixedly connected with the sealing plate 26, the sealing plate 26 is attached to the second fixed ring 24 close to the first gas outlet pipe 18, so that the first gas outlet pipe 18 limits the position of the second gas outlet pipe 23, so that the second gas outlet pipe 23 limits the position of the second fixed ring 24 and the third spring 25, so that the gas pressure in the first gas outlet pipe 18 increases, the gas pushes the sealing plate 26, then the gas flows to the air through the second gas outlet pipe 23, then the connecting rod 22 is pressed downward, the gas pressure in the first gas outlet pipe 18 is reduced, the sealing plate 26 is attached to the second fixed ring 24, the gas in the second gas outlet pipe 23 does not flow, the extraction of the gas in the mixing tank 1 is completed, the gas pressure in the mixing tank 1 is smaller, it is not easy to produce bubbles, it is convenient for the subsequent treatment of the paint, the connecting rod 22 is I-shaped, the upper end of the connecting rod 22 extends to the outside of the first gas outlet pipe 18, so that the connecting rod 22 is convenient to use, the diameter value of the outer wall of the sealing plate 26 is less than the diameter value of the inner wall of the second gas outlet pipe 23 and greater than the diameter value of the inner wall of the second fixed ring 24, the diameter value of the outer wall of the connecting rod 22 is greater than the inner wall diameter value of the first fixed ring 20 and less than the inner wall diameter value of the first gas outlet pipe 18,The diameter of the outer wall of the connecting rod 22 is greater than the diameter of the inner wall of the first fixed ring 20, and the diameter of the inner wall of the first gas outlet pipe 18 is smaller than the diameter of the inner wall of the first fixed ring 20, so that the gas in the mixing tank 1 can pass through the first gas outlet pipe 18 and the second gas outlet pipe 23 into the air.

[0028] It should be understood by those of ordinary skill in the art that the above discussion of any of the embodiments is merely exemplary and is not intended to suggest the scope of the present application (including the claims) is limited to these examples; under the thought of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in details for the sake of brevity.

[0029] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. An automatic mixing device for coating for electronic component spraying, comprising a mixing tank (1), characterized in that, The top end of the mixing tank (1) is fixedly connected with a feeding hopper (2), the bottom end of the mixing tank (1) is fixedly connected with a discharge pipe (3), the top end of the mixing tank (1) is fixedly connected with a first motor (4), the output shaft of the first motor (4) penetrates into the mixing tank (1) and is fixedly sleeved with a stirring rod (5), the other side of the top end of the mixing tank (1) is fixedly connected with a feeding box (7), the top end of the feeding box (7) is fixedly connected with a storage hopper (6), one end of the feeding box (7) is fixedly connected with a second motor (8), the output shaft of the second motor (8) penetrates into the feeding box (7) and is fixedly sleeved with a feeding spiral plate (9), the top end of the mixing tank (1) is provided with a feeding hole (10), the bottom end of the feeding box (7) is provided with a hole, and the hole is matched with the feeding hole (10).

2. The automatic mixing device for the paint for electronic component spraying according to claim 1, characterized by The discharge pipe (3) extends to one end outside the mixing tank (1) and is threadedly connected with a sealing cap, and the top ends of the feeding hopper (2) and the storage hopper (6) are threadedly connected with sealing covers.

3. The automatic mixing device for the paint for the electronic component spraying according to claim 1, characterized by, The stirring rod (5) is rotatably connected with the mixing tank (1), and the feeding hopper (2) and the storage hopper (6) are both funnel-shaped.

4. The automatic mixing device for coating of electronic components according to claim 1, characterized in that, The feeding spiral plate (9) is rotatably connected in the feeding box (7), the feeding box (7) is a cylindrical groove, and the feeding hole (10) and the storage hopper (6) are located at two ends of the feeding box (7) respectively.

5. The automatic mixing device for coating of electronic components according to claim 1, wherein The lower end of the storage hopper (6) is fixedly connected with a guide plate (11), the lower end of the storage hopper (6) is rotatably connected with a connecting shaft (13), the middle part of the connecting shaft (13) is fixedly connected with a limiting plate (12), one end of the connecting shaft (13) penetrates to the outside of the storage hopper (6) and is fixedly connected with a rotating disc (14), one end of the rotating disc (14) is fixedly connected with a first spring (16), one end of the first spring (16) is fixedly connected with a limiting rod (15), a plurality of limiting grooves (17) are formed in the outer wall of the storage hopper (6), and the limiting rod (15) penetrates through the rotating disc (14) and is movably connected with the limiting grooves (17).

6. The automatic mixing device for coating of electronic components according to claim 5, wherein The limiting grooves (17) are arc-shaped and equidistantly distributed, the arc centers of the limiting grooves (17) and the center of the rotating disc (14) are the same point, and the limiting rod (15) is T-shaped.

7. The automatic mixing device for coating of electronic components according to claim 5, wherein The top surface of the guide plate (11) is inclined relative to the horizontal plane, the bottom end of the top surface of the guide plate (11) is inclined to the limiting plate (12), and the guide plate (11) is located at the upper end of the limiting plate (12).

8. The automatic mixing device for coating of electronic components according to claim 5, wherein The limiting plate (12) is semicircular, and the arc surface of the limiting plate (12) is attached to the storage hopper (6).

9. The automatic mixing device for coating of electronic components according to claim 1, wherein The top end of the mixing tank (1) is fixedly connected with a first gas outlet pipe (18), the upper and lower ends of the first gas outlet pipe (18) are fixedly connected with a sealing ring (19) and a first fixed ring (20) respectively, the middle part of the sealing ring (19) is slidably sleeved with a connecting rod (22), the bottom end of the connecting rod (22) is fixedly connected with a second spring (21), the top end of the second spring (21) is fixedly connected with the sealing ring (19), the bottom end of the connecting rod (22) is attached to the first fixed ring (20), one side of the first gas outlet pipe (18) is fixedly connected with a second gas outlet pipe (23), both ends of the second gas outlet pipe (23) are fixedly connected with a second fixed ring (24), the second fixed ring (24) away from the side of the first gas outlet pipe (18) is fixedly connected with a third spring (25), one side of the third spring (25) is fixedly connected with a sealing plate (26), the sealing plate (26) is attached to the second fixed ring (24) close to the side of the first gas outlet pipe (18).

10. The automatic mixing device for coating of electronic components according to claim 9, wherein The connecting rod (22) is an I-shaped, the upper end of the connecting rod (22) extends to the outside of the first gas outlet pipe (18), the diameter value of the outer wall of the sealing plate (26) is less than the diameter value of the inner wall of the second gas outlet pipe (23) and greater than the diameter value of the inner wall of the second fixed ring (24), the diameter value of the outer wall of the connecting rod (22) is greater than the inner wall diameter value of the first fixed ring (20) and less than the inner wall diameter value of the first gas outlet pipe (18).

Images