Short-stroke feeding device

Abstract

The utility model provides a short-stroke feeding device, and belongs to the technical field of coating equipment, the short-stroke feeding device specifically comprises a material tank, a cleaning tank and a conveying pipeline, the material tank is communicated with a compressed air source, the cleaning tank is communicated with the compressed air source, a feeding pipe is arranged at a discharging port of the material tank, and a liquid feeding pipe is arranged at a liquid outlet of the cleaning tank; the other end of the material supply pipe and the other end of the liquid supply pipe are both communicated with the conveying pipeline, a material supply valve is arranged on the material supply pipe, and a liquid supply valve is arranged on the liquid supply pipe; one end of the conveying pipeline is communicated with a spray gun, the spray gun is communicated with a compressed air source, the material tank is used for storing paint, the cleaning tank is used for storing a cleaning agent, the material tank provides the paint into the conveying pipeline through a material supply pipe, and the cleaning tank provides the cleaning agent into the conveying pipeline through a liquid supply pipe. By means of the treatment scheme, the situation of pipeline blockage is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of coating equipment, in particular to a short-stroke feeding device. BACKGROUND

[0002] At present, automatic coating equipment has been widely used in the field of coating of electronic components. Such equipment is mainly used in production scenes with large batch and long time operation, and its feeding device has large volume and long feeding pipeline between the front end of the spray gun. When the production demand is in a saturated state, the liquid supply pipeline is continuously supplied with liquid, and there is no need for cleaning and cleaning in a short period of time. When the production demand decreases, the equipment needs to complete multiple batches of small production operations in multiple discontinuous time periods, the relative static time of the coating in the pipeline is greatly increased, and the pipeline is seriously blocked. Because the pipeline is long, the overall pipeline cleaning is time-consuming and labor-intensive, and the efficiency is low and the raw materials are wasted. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the present application provides a short-stroke feeding device to solve the maintenance problem of coating equipment and pipeline and improve the pipeline blockage condition.

[0004] The short-stroke feeding device provided by the present application adopts the following technical scheme:

[0005] A short-stroke feeding device, comprising a tank, a cleaning tank and a conveying pipeline, the tank is connected to a compressed air source, the cleaning tank is connected to a compressed air source, the outlet of the tank is provided with a feeding pipe, the outlet of the cleaning tank is provided with a liquid supply pipe, the other end of the feeding pipe and the other end of the liquid supply pipe are both connected to the conveying pipeline, the feeding pipe is provided with a feeding valve, and the liquid supply pipe is provided with a liquid supply valve.

[0006] Among them, one end of the conveying pipeline is connected to a spray gun, the spray gun is connected to a compressed air source, the tank is used to store coating, the cleaning tank is used to store cleaning agent, the tank provides coating to the conveying pipeline through the feeding pipe, and the cleaning tank provides cleaning agent to the conveying pipeline through the liquid supply pipe.

[0007] Optionally, the feeding pipe, the liquid supply pipe and the conveying pipeline are connected through a three-way joint.

[0008] Optionally, the cleaning tank comprises a tank body and a closing cover, the tank body is provided with the liquid outlet at the bottom end, the outer wall of the top end of the tank body is provided with a plurality of bosses which are uniformly distributed in the circumferential direction of the cleaning tank, the closing cover is provided with an air inlet, the air inlet of the closing cover is used to communicate with the compressed air source, the closing cover is provided with a plurality of clamping plates which are uniformly distributed in the circumferential direction of the cleaning tank, the clamping plates are located at the bottom of the closing cover, and gaps are arranged between the clamping plates and the closing cover, the gaps are used to accommodate the bosses, and the areas between adjacent two bosses are used for the clamping plates to pass through.

[0009] Optionally, the boss and the clamping plate are both provided with two.

[0010] Optionally, the top end of the cleaning tank is provided with a ring table, the inner circle of the ring table matches the outer wall of the cleaning tank, the outer circle of the ring table is in an elliptical shape, the two long axis ends of the elliptical ring table protrude from the outer wall of the cleaning tank, and the two long axis ends of the ring table serve as the bosses, and the distance between the opposite sides of the two clamping plates is greater than the length of the short axis of the circular ring table.

[0011] Optionally, the feeding pipe is arranged in the vertical direction.

[0012] Optionally, the cleaning tank is a transparent tank.

[0013] Optionally, the top of the tank is provided with a non-contact liquid level sensor, and the non-contact liquid level sensor is electrically connected with an alarm.

[0014] Optionally, the length of the conveying pipeline is less than or equal to 20 cm.

[0015] In summary, the present application has the following beneficial technical effects:

[0016] Compared with the general large-capacity and long-stroke feeding device, the feeding device provided by the present application can realize the rapid switching from coating to pipeline cleaning in the interval period of each batch coating operation while reducing the volume of the liquid supply container and shortening the length of the pipeline, and each component can be replaced individually, effectively reducing the difficulty of disassembling and cleaning the pipeline, and being consistent with the production operation mode of discontinuous small amount and multiple batches.

[0017] In addition, the liquid level sensing alarm can reduce the product coating defects caused by equipment liquid shortage, and improve the product quality control ability of the production process. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0019] Figure 1 Fig. 1 is a schematic diagram of the overall structure of the short-stroke feeding device of the present application;

[0020] Figure 2 Fig. 2 is a schematic diagram of the structure of the cleaning tank of the present application;

[0021] Figure 3 Fig. 3 is a schematic diagram of the structure of the top of the tank body of the present application;

[0022] Figure 4 Fig. 4 is a schematic diagram of the structure of the closure cap of the present application.

[0023] Reference signs: 1, tank; 11, feeding pipe; 12, feeding valve; 13, non-contact liquid level sensor; 14, alarm; 2, cleaning tank; 21, liquid supply pipe; 22, liquid supply valve; 23, tank body; 24, closure cap; 25, boss; 26, clamping plate; 3, conveying pipeline; 4, spray gun; 5, compressed air source. DETAILED DESCRIPTION

[0024] The embodiments of the present application will be described in detail below with reference to the drawings.

[0025] The above embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application. The present application can also be implemented or applied by using other different specific embodiments, and each detail in the specification can be modified or changed based on different views and applications without departing from the spirit of the present application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0026] It should be noted that the various aspects of the embodiments described below are within the scope of the appended claims. It should be apparent that the aspects described herein can be embodied in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the teachings herein one skilled in the art should appreciate that an aspect described herein can be implemented independently of any other aspects and that an aspect can be implemented both as any number of software and / or hardware structures and as any number of these structures in any appropriate combination. For example, the apparatus may

[0027] It is also need to be explained that the figures provided in the following embodiments only schematically illustrate the basic ideas of the present application, and only show the components related to the present application, not the number, shape and size of the components when actually implemented, and the shape, number and ratio of the components when actually implemented can be arbitrarily changed, and the component layout pattern can be more complex.

[0028] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, one skilled in the art will understand that the described aspects can be practiced without these specific details.

[0029] The embodiment of the present application provides a short-stroke feeding device.

[0030] The short-stroke feeding device comprises a material tank 1, a cleaning tank 2 and a conveying pipeline 3, the material tank 1 is communicated with a compressed air source 5, the cleaning tank 2 is communicated with the compressed air source 5, a feeding pipe 11 is arranged at a material outlet of the material tank 1, a liquid feeding pipe 21 is arranged at a liquid outlet of the cleaning tank 2, the other end of the feeding pipe 11 and the other end of the liquid feeding pipe 21 are both communicated with the conveying pipeline 3, a feeding valve 12 is arranged on the feeding pipe 11, and a liquid feeding valve 22 is arranged on the liquid feeding pipe 21.

[0031] The other end of the conveying pipeline 3 is communicated with a spray gun 4, the spray gun 4 is communicated with the compressed air source 5, the material tank 1 is used for storing paint, the cleaning tank 2 is used for storing cleaning agent, the material tank 1 provides paint to the conveying pipeline 3 through the feeding pipe 11, and the cleaning tank 2 provides cleaning agent to the conveying pipeline 3 through the liquid feeding pipe 21.

[0032] During spraying, the feeding valve 12 is opened, the liquid feeding valve 22 is closed, the paint in the material tank 1 enters the spray gun 4 through the feeding pipe 11 and the conveying pipeline 3 under the action of pressure, finally the spray gun 4 sprays the paint, after spraying is completed, the feeding valve 12 is closed, the liquid feeding valve 22 is opened, the cleaning liquid in the cleaning tank 2 enters the spray gun 4 through the liquid feeding pipe 21 and the conveying pipeline 3 under the action of pressure, the spray gun 4 is continuously opened, the conveying pipeline 3 is cleaned through the cleaning liquid, pipeline blockage is avoided, and the production efficiency is high.

[0033] Specifically, the feeding pipe 11, the liquid feeding pipe 21 and the conveying pipeline 3 are communicated through a three-way joint. The length of the conveying pipeline 3 is less than or equal to 20 cm.

[0034] The cleaning tank 2 comprises a tank body 23 and a closing cover 24, the bottom end of the tank body 23 is provided with the liquid outlet, the outer wall of the top end of the tank body 23 is provided with a plurality of bosses 25 which are uniformly distributed in the circumferential direction of the cleaning tank 2, the closing cover 24 is provided with an air inlet, the air inlet of the closing cover 24 is used to communicate with the compressed air source 5, the closing cover 24 is provided with a plurality of clamping plates 26 which are uniformly distributed in the circumferential direction of the cleaning tank 2, the clamping plates 26 are located at the bottom of the closing cover 24, and a gap is provided between the clamping plates 26 and the closing cover 24, the gap is used to accommodate the bosses 25, and the area between two adjacent bosses 25 is used for the clamping plates 26 to pass through. The cooperation and separation of the bosses 25 and the clamping plates 26 improve the efficiency of closing and opening the cleaning tank 2.

[0035] The bosses 25 and the clamping plates 26 are both provided with two, which ensures that the bosses 25 and the clamping plates 26 are stably matched while being quickly separated.

[0036] The top end of the cleaning tank 2 is provided with a ring table, the inner circle of the ring table matches the outer wall of the cleaning tank 2, the outer circle of the ring table is oval, the two long axis ends of the oval ring table protrude from the outer wall of the cleaning tank 2, and the two long axis ends of the ring table serve as the bosses 25, and the distance between the opposite sides of the two clamping plates 26 is greater than the length of the short axis of the circular ring table. When closing the closing cover 24, during the process of rotating the closing cover 24, the oval bosses 25 gradually enter between the clamping plates 26 and the closing cover 24, which improves the smoothness of the cooperation of the bosses 25 and the clamping plates 26.

[0037] The feed pipe 11 is arranged in the vertical direction. Reducing the paint residue between the rear section of the feed valve 12 and the tee joint.

[0038] The cleaning tank 2 is a transparent tank. It is convenient to observe the remaining amount of cleaning liquid in the cleaning tank 2.

[0039] The top of the material tank 1 is provided with a non-contact liquid level sensor 13, and the non-contact liquid level sensor 13 is electrically connected with an alarm 14. Since paint storage needs to avoid light, the material tank 1 is made of non-transparent material, and the non-contact liquid level sensor 13 is used to monitor the amount of paint in the material tank 1.

[0040] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical scope disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A short-stroke feed device, characterized by comprising: The application relates to a paint supply device, which comprises a paint tank (1), a cleaning tank (2) and a conveying pipeline (3), the paint tank (1) is connected with a compressed air source (5), the cleaning tank (2) is connected with the compressed air source (5), a paint supply pipe (11) is arranged at the paint outlet of the paint tank (1), a liquid supply pipe (21) is arranged at the liquid outlet of the cleaning tank (2), the other end of the paint supply pipe (11) and the other end of the liquid supply pipe (21) are connected with the conveying pipeline (3), a paint supply valve (12) is arranged on the paint supply pipe (11), and a liquid supply valve (22) is arranged on the liquid supply pipe (21). The conveying pipeline (3) is connected with a spray gun (4) at one end, the spray gun (4) is connected with the compressed air source (5), the paint tank (1) is used for storing paint, the cleaning tank (2) is used for storing cleaning agent, the paint tank (1) provides paint to the conveying pipeline (3) through the paint supply pipe (11), and the cleaning tank (2) provides cleaning agent to the conveying pipeline (3) through the liquid supply pipe (21).

2. The short-stroke feed device according to claim 1, characterized by The paint supply pipe (11), the liquid supply pipe (21) and the conveying pipeline (3) are connected through a three-way joint.

3. The short-stroke feed device according to claim 1, characterized by The cleaning tank (2) comprises a tank body (23) and a closing cover (24), the bottom end of the tank body (23) is provided with the liquid outlet, the outer wall of the top end of the tank body (23) is provided with a plurality of bosses (25) which are uniformly distributed in the circumferential direction of the cleaning tank (2), the closing cover (24) is provided with an air inlet, the air inlet of the closing cover (24) is used for connecting the compressed air source (5), the closing cover (24) is provided with a plurality of clamping plates (26) which are uniformly distributed in the circumferential direction of the cleaning tank (2), the clamping plates (26) are located at the bottom of the closing cover (24), and gaps are arranged between the clamping plates (26) and the closing cover (24), the gaps are used for accommodating the bosses (25), and the regions between two adjacent bosses (25) are used for allowing the clamping plates (26) to pass through.

4. The short-stroke feed device according to claim 3, characterized by The bosses (25) and the clamping plates (26) are both provided with two.

5. The short-stroke feed device according to claim 4, characterized in that The top end of the cleaning tank (2) is provided with a ring platform, the inner ring of the ring platform is matched with the outer wall of the cleaning tank (2), the outer ring of the ring platform is in an elliptical shape, the two long axis ends of the elliptical ring platform protrude from the outer wall of the cleaning tank (2), and the two long axis ends of the ring platform serve as the bosses (25), and the distance between the opposite sides of the two clamping plates (26) is greater than the length of the short axis of the circular ring platform.

6. The short-stroke feed device according to claim 1, characterized by The paint supply pipe (11) is arranged in a vertical direction.

7. The short-stroke feed device according to claim 1, characterized by The cleaning tank (2) is a transparent tank.

8. The short-stroke feed device according to claim 1, characterized by The top of the paint tank (1) is provided with a non-contact liquid level sensor (13), and the non-contact liquid level sensor (13) is electrically connected with an alarm (14).

9. The short-stroke feed device according to claim 1, characterized by The length of the conveying pipeline (3) is less than or equal to 20 cm.

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