Energy accumulator based on high-viscosity dispensing and dispensing device

Abstract

The energy accumulator is arranged between a pressure barrel and a dispensing valve and comprises a cylinder body, a first piston and a glue storage barrel, a pressure cavity is formed in the cylinder body, one end of the cylinder body is provided with an air inlet communicated with the pressure cavity, the other end of the cylinder body is provided with the glue storage barrel, and the pressure cavity is communicated with the pressure cavity. A glue storage cavity communicated with the pressure cavity is formed in the glue storage barrel, the first piston is arranged in the pressure cavity and is in sliding connection with the pressure cavity, a second piston fixedly connected with the first piston is arranged at one end of the first piston, and the second piston is inserted into the glue storage cavity and is in sliding connection with the glue storage cavity; a glue inlet and a glue outlet are formed in the peripheral side of the end, away from the first piston, of the glue storage barrel, the glue inlet is connected with the pressure barrel, and the glue outlet is connected with the glue dispensing valve. According to the utility model, the energy accumulator is additionally arranged at the front end of the dispensing valve, so that the pressure in the glue pipe connected with the dispensing valve is kept constant, the fluctuation of glue pressure during dispensing is effectively reduced, the stability of the glue pressure is ensured, and the uniformity of dispensing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing, in particular to an energy storage device based on high-viscosity glue dispensing. The utility model also relates to a glue dispensing device. Background Art

[0002] Glue dispensing device is a kind of process equipment widely used in the field of product production. From semiconductor packaging industry, integrated circuit industry, SMT / PCB assembly industry to general industrial welding, injection coating and sealing, this device can realize the process of glue application on points, lines and surfaces of colloid.

[0003] Existing dispensing devices generally use a pressure barrel directly connected to a dispensing valve through a pipe to perform dispensing. When dispensing glue with high viscosity and poor fluidity such as thermal paste and silicone, the glue supply hose used is relatively long, the pressure loss is large, and the air pressure needs to be increased to promote the flow of the fluid. Generally, the air pressure is increased by increasing the internal air pressure of the pressure barrel. However, when the air pressure inside the pressure barrel is too high, the pressure fluctuation in the barrel is large, the stability and safety of the system operation are poor, the problem of poor uniformity of glue coating will occur, and the phenomenon of being too thick or too thin will occur, and the dispensing accuracy is difficult to control. Utility Model Content

[0004] The utility model aims to provide an energy storage device based on high-viscosity dispensing to overcome the deficiencies in the prior art.

[0005] In order to solve the above technical problems, the technical solution of the utility model is: an energy accumulator based on high-viscosity dispensing, the energy accumulator is arranged between the pressure barrel and the dispensing valve, and is arranged close to the inlet of the dispensing valve, the energy accumulator includes a cylinder body, a piston 1, and a glue storage cylinder, a pressure chamber is arranged in the cylinder body, an air inlet connected to the pressure chamber is arranged at one end of the cylinder body, and a glue storage cylinder is arranged at the other end, a glue storage chamber connected to the pressure chamber is arranged in the glue storage cylinder, the piston 1 is arranged in the pressure chamber and is slidably connected to the pressure chamber, and the end of the piston 1 close to the glue storage chamber is provided with a piston 2 fixedly connected thereto, the piston 2 is inserted in the glue storage chamber and is slidably connected to the glue storage chamber; the glue storage cylinder is provided with a glue inlet and a glue outlet arranged at intervals on the outer peripheral side of the end away from the piston 1, the glue inlet is connected to the pressure barrel, and the glue outlet is connected to the dispensing valve.

[0006] Furthermore, in the above-mentioned energy accumulator based on high-viscosity dispensing, a sealing ring 1 is provided on the piston 1, and is sealed and connected to the pressure chamber through the sealing ring 1.

[0007] Furthermore, in the above-mentioned energy storage device based on high-viscosity dispensing, the piston 2 is sealed and connected to the pressure chamber through a sealing ring 2 arranged on the cylinder body, and is sealed and connected to the glue storage chamber through a sealing ring 3 arranged on the glue storage cylinder.

[0008] Furthermore, in the above-mentioned energy accumulator based on high-viscosity dispensing, the cylinder body includes a main body and an end cover arranged at one end of the main body, the end cover and the main body are detachably connected by fasteners, and a sealing ring four is provided at the end of the main body close to the end cover, the end cover is sealed with the main body through the sealing ring four, and the air inlet is arranged on the end cover.

[0009] Furthermore, in the above-mentioned energy accumulator based on high-viscosity dispensing, the cylinder body is also provided with an induction switch for detecting the position of the piston.

[0010] The utility model also provides a glue dispensing device, which includes the above-mentioned energy accumulator, a pressure barrel, a glue dispensing valve, and a pressure gauge. The energy accumulator is arranged between the pressure barrel and the glue dispensing valve, and is arranged close to the inlet of the glue dispensing valve. The glue inlet of the energy accumulator is connected to the output end of the pressure barrel through a glue supply hose 1, and the glue outlet is connected to the glue dispensing valve through a glue supply hose 2; and the glue inlet and glue outlet of the energy accumulator are both provided with pressure gauges.

[0011] Furthermore, in the above-mentioned glue dispensing device, the glue supply hose is also provided with a quick-change connector for connecting the segmented glue supply hoses.

[0012] Furthermore, in the above-mentioned glue dispensing device, the pressure barrel includes a base and a pressure plate pump and a glue supply barrel arranged on the base, a positioning boss is provided in the middle of the base, the glue supply barrel is inserted on the positioning boss and movably connected with the positioning boss, the pressure plate of the pressure plate pump extends into the glue supply barrel; and movable wheels are provided at the four corners of the bottom of the base.

[0013] Compared with the prior art, the beneficial effects of the utility model are: by adding an energy accumulator at the front end of the dispensing valve, the pressure in the hose connected to the inlet of the dispensing valve is kept constant, reducing the pressure loss at the end of the hose; it can also effectively reduce the fluctuation of the glue pressure during dispensing, ensure the stability of the glue pressure during coating, and thus ensure the uniformity of dispensing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of the energy storage device based on high viscosity dispensing of the utility model;

[0016] Figure 2 It is a cross-sectional schematic diagram of the energy storage device based on high viscosity dispensing of the utility model;

[0017] Figure 3It is a structural schematic diagram of the dispensing device of the utility model;

[0018] In the figure: 1, accumulator; 11, cylinder body; 111, pressure chamber; 112, end cover; 12, piston 1; 13, rubber storage cylinder; 131, rubber storage chamber; 132, rubber inlet; 133, rubber outlet; 14, air inlet; 15, piston 2; 16, sealing ring 1; 17, sealing ring 2; 18, sealing ring 3; 19, sealing ring 4;

[0019] 2. Pressure barrel; 21. Base; 211. Positioning boss; 22. Pressure plate pump; 3. Dispensing valve; 4. Pressure gauge; 5. Rubber supply hose 1; 6. Rubber supply hose 2; 7. Quick-change connector. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] like Figure 1 , 2 As shown, an energy accumulator based on high viscosity dispensing, the energy accumulator 1 is arranged between the pressure barrel 2 and the dispensing valve 3, and is arranged close to the inlet of the dispensing valve 3. The energy accumulator 1 includes a cylinder body 11, a piston 12, and a glue storage cylinder 13. The cylinder body 11 is provided with a pressure chamber 111, one end of the cylinder body 11 is provided with an air inlet 14 connected to the pressure chamber 111, and the other end is provided with a glue storage cylinder 13, and the glue storage cylinder 13 is provided with a glue storage chamber 131 connected to the pressure chamber 111. The piston 12 It is arranged in the pressure chamber 111 and is slidably connected to the pressure chamber 111, and the end of the piston 12 close to the glue storage chamber 131 is provided with a piston 2 15 fixedly connected thereto, and the piston 2 15 is inserted in the glue storage chamber 131 and is slidably connected to the glue storage chamber 131; the outer peripheral side of the end of the glue storage cylinder 13 away from the piston 12 is provided with a glue inlet 132 and a glue outlet 133 arranged at intervals, the glue inlet 132 is connected to the pressure barrel 2, and the glue outlet 133 is connected to the glue dispensing valve 3.

[0023] During operation, initially, the dispensing valve 3 is in a closed state, the pressure barrel 2 supplies glue, and the glue enters the glue storage chamber 131 from the glue inlet 132 of the accumulator 1. The glue in the glue storage chamber 131 pushes the piston 2 15 to move into the pressure chamber 111. When the glue in the glue storage chamber 131 is filled, the piston 2 15 stops moving upward, and the dispensing valve 3 is opened. At this time, the glue pressure at the front end of the valve body of the dispensing valve 3 decreases rapidly, and the air inlet 14 of the accumulator 1 is ventilated, pushing the piston 1 12 and the piston 2 15 to move toward the glue storage chamber 131. , increasing the glue pressure in the glue storage chamber 131, compensating for the glue pressure loss at the end of the rubber hose, ensuring a constant glue pressure during glue discharge, thereby ensuring the uniformity of glue dispensing by the glue dispensing valve; when the glue dispensing valve 3 is closed, the pressure barrel 2 presses the glue into the glue storage chamber 131 from the glue inlet 132 of the accumulator 1, the pressure in the glue storage chamber 131 increases, and the piston 15 moves upward against the air pressure at the air inlet end (air inlet 14) in the pressure chamber 111 until the glue in the glue storage chamber 131 is filled, and this cycle repeats to achieve uniform and stable glue dispensing.

[0024] The energy accumulator of the utility model has a simple structure and is easy to operate. By adding the energy accumulator 1 at the front end of the dispensing valve 3, the pressure in the hose connected to the inlet of the dispensing valve 3 is kept constant, reducing the pressure loss at the end of the hose. It can also effectively reduce the fluctuation of the glue pressure during dispensing, ensure the stability of the glue pressure during coating, and thus ensure the uniformity of dispensing.

[0025] The utility model is mainly used in glue dispensing devices for supplying glue with high viscosity and poor fluidity. It can increase the glue pressure in the rubber hose at the moment of valve opening, supply glue to the valve body at a uniform speed, avoid the phenomenon of large and small heads in the glue path, and solve the difficulties in the industry.

[0026] Example 2

[0027] Based on the structure of Example 1, Figure 2 As shown, in order to avoid pressure loss, the piston 12 is provided with a sealing ring 16, and is sealed with the pressure chamber 111 through the sealing ring 16; the piston 2 15 is sealed with the pressure chamber 111 through a sealing ring 2 17 provided on the cylinder body 11, and is sealed with the rubber storage chamber 131 through a sealing ring 3 18 provided on the rubber storage cylinder 13.

[0028] like Figure 1 , 2 As shown, the cylinder body 11 includes a main body and an end cover 112 arranged at one end of the main body, the end cover 112 is detachably connected to the main body by fasteners, and a sealing ring 4 19 is provided at the end of the main body close to the end cover 112, the end cover 112 is sealed to the main body through the sealing ring 4 19, and the air inlet 14 is arranged on the end cover 112.

[0029] In addition, the cylinder body 11 is also provided with an induction switch for detecting the position of the piston 12. By detecting the position of the piston 12, it is monitored whether the glue storage chamber 131 is filled with glue, thereby controlling the opening and closing of the glue dispensing valve to ensure the glue discharge pressure.

[0030] Example 3

[0031] Based on the structure of Example 2, Figure 3 As shown, the utility model also provides a glue dispensing device, which includes the above-mentioned energy accumulator 1, as well as a pressure barrel 2, a glue dispensing valve 3, and a pressure gauge 4. The energy accumulator 1 is arranged between the pressure barrel 2 and the glue dispensing valve 3, and is arranged close to the inlet of the glue dispensing valve 3, and the glue inlet 132 of the energy accumulator 1 is connected to the output end of the pressure barrel 2 through a glue supply hose 1 5, and its glue outlet 133 is connected to the glue dispensing valve 3 through a glue supply hose 2 6. Since the energy accumulator 1 is arranged close to the inlet of the glue dispensing valve 3, the glue supply hose 2 5 is short and the pressure loss is very small; and the glue inlet 132 and the glue outlet 133 of the energy accumulator 1 are both provided with a pressure gauge 4 to monitor the pressure at the inlet and outlet ends of the glue storage cavity 131.

[0032] Among them, Figure 3 As shown, the rubber supply hose 5 is also provided with a quick-change connector 7 for connecting the segmented rubber supply hoses. The rubber supply hose 5 is assembled from the segmented rubber supply hoses. The setting of the quick-change connector 7 is convenient for replacing the rubber hose and maintaining the equipment.

[0033] In addition, if Figure 3 As shown, the pressure barrel 2 includes a base 21 and a pressure plate pump 22 and a glue supply barrel (not shown in the figure) arranged on the base 21. A positioning boss 211 is provided in the middle of the base 21. The glue supply barrel is inserted on the positioning boss 211 and movably connected with the positioning boss 211, which is convenient for replacing the glue supply barrel. The pressure plate of the pressure plate pump 22 extends into the glue supply barrel; and movable wheels are provided at the four corners of the bottom of the base 21, which is convenient for movement and has good flexibility. The pressure plate pump is composed of a pressure plate, a pressure rod and other mechanisms. When in use, the pressure plate enters the glue supply barrel, and as the glue surface moves up and down, the glue in the barrel is pulled up and down by the pressure rod into the glue supply pipe 5 to transport the liquid glue. In addition, the glue supply barrel of the utility model adopts a 5-gallon large package, which can reduce the frequency of replacement and reduce waste.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An energy storage device based on high viscosity dispensing, characterized in that: The energy accumulator is arranged between the pressure barrel and the glue dispensing valve, and the energy accumulator includes a cylinder body, a piston 1, and a glue storage cylinder. A pressure chamber is arranged in the cylinder body, an air inlet connected to the pressure chamber is arranged at one end of the cylinder body, and a glue storage cylinder is arranged at the other end. A glue storage chamber connected to the pressure chamber is arranged in the glue storage cylinder, the piston 1 is arranged in the pressure chamber and is slidably connected to the pressure chamber, and a piston 2 fixedly connected to the end of the piston 1 close to the glue storage chamber is provided, and the piston 2 is inserted in the glue storage chamber and is slidably connected to the glue storage chamber; a glue inlet and a glue outlet are arranged at intervals on the outer peripheral side of the end of the glue storage cylinder away from the piston 1, the glue inlet is connected to the pressure barrel, and the glue outlet is connected to the glue dispensing valve.

2. The energy storage device based on high viscosity dispensing according to claim 1 is characterized in that: The piston is provided with a sealing ring 1 and is sealedly connected to the pressure chamber through the sealing ring 1.

3. The energy storage device based on high viscosity dispensing according to claim 2 is characterized in that: The second piston is sealed and connected to the pressure chamber through a second sealing ring arranged on the cylinder body, and is sealed and connected to the rubber storage chamber through a third sealing ring arranged on the rubber storage cylinder.

4. The energy storage device based on high viscosity dispensing according to claim 1 is characterized in that: The cylinder body includes a main body and an end cover arranged at one end of the main body, the end cover is detachably connected to the main body by a fastener, and a sealing ring four is provided at the end of the main body close to the end cover, the end cover is sealed and connected to the main body through the sealing ring four, and the air inlet is arranged on the end cover.

5. The energy storage device based on high viscosity dispensing according to claim 1 is characterized in that: The cylinder body is also provided with an induction switch for detecting a position of the piston.

6. A dispensing device, characterized in that: It includes an energy accumulator based on high-viscosity dispensing as described in any one of claims 1 to 5, and also includes a pressure barrel, a dispensing valve, and a pressure gauge. The energy accumulator is arranged between the pressure barrel and the dispensing valve and is arranged close to the inlet of the dispensing valve. The glue inlet of the energy accumulator is connected to the output end of the pressure barrel through a glue supply hose 1, and the glue outlet is connected to the dispensing valve through a glue supply hose 2; and the glue inlet and glue outlet of the energy accumulator are both provided with pressure gauges.

7. The dispensing device according to claim 6, characterized in that: The first rubber supply hose is also provided with a quick-change joint for connecting the segmented rubber supply hoses.

8. The dispensing device according to claim 6, characterized in that: The pressure barrel includes a base and a pressure plate pump and a glue supply barrel arranged on the base. A positioning boss is provided in the middle of the base. The glue supply barrel is inserted on the positioning boss and movably connected to the positioning boss. The pressure plate of the pressure plate pump extends into the glue supply barrel; and movable wheels are provided at the four corners of the bottom of the base.

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