Dispensing system

Abstract

The invention provides a dispensing system, and belongs to the technical field of dispensing, the dispensing system comprises a shunting adjusting table, the front end of the shunting adjusting table is provided with an on-off valve, and the rear end of the shunting adjusting table is connected with a precise flow switch valve. According to the air cylinder valve seat, the double-control valve element is controlled to move up and down by adjusting the air pressure, when the double-control valve element is located on the upper part, the pilot valve is opened, the main valve seat is closed, and redundant fluid flows back to a fluid supply station through a backflow pipe on the side wall of the pilot valve; the main valve seat is opened, the pilot valve is closed, and fluid flows into the split-flow adjusting table through the main valve seat; the plug can be pushed to move up and down by rotating the micrometer, the flow guide chip is opened when the plug is located on the upper portion, the flow guide chip is closed when the plug is located on the lower portion, any point in the up-down movement process represents different flows, and fluid is conveyed into the opening and closing valve through the flow dividing adjusting table and then conveyed to the dispensing nozzle through the opening and closing valve. Meanwhile, the opening and closing valve can be independently controlled to be opened and closed.

Description

Technical Field

[0001] The present invention relates to the technical field of glue dispensing, and in particular to a glue dispensing system. Background Art

[0002] Lithium batteries have the advantages of large capacity, light weight, long service life, high energy density, no memory effect, low self-discharge rate and environmental friendliness. They are widely used in power and energy storage. In recent years, they are most concentrated in new energy vehicle equipment and have become the key to solving global problems such as energy crisis and environmental pollution. With the continuous improvement of electric vehicle technology and the continuous development of the new energy industry, especially the continuous development of new energy vehicles, the scale of use of lithium batteries is getting larger and the fields of use are getting wider.

[0003] Lithium batteries need to be glued during production, and corrosive fluids need to be replenished at the same time. However, the traditional lithium battery dispensing system can achieve effective glue supply, but when not applying glue, the glue head is easy to drip glue, and only one glue head can be supplied, and synchronous dispensing cannot be achieved. For this reason, we provide a dispensing system. Summary of the invention

[0004] The object of the present invention is to provide a dispensing system which can realize simultaneous dispensing of multiple channels, flow rate regulation during the dispensing process, and automatic recovery after blocking dispensing.

[0005] In order to achieve the above-mentioned invention object, the present invention provides a dispensing system, including a flow diversion regulating platform, a front end of the flow diversion regulating platform is provided with an on-off valve, and a rear end of the flow diversion regulating platform is connected to a precision flow switch valve;

[0006] Wherein, the precision flow switch valve comprises a control machine slot, the top of the control machine slot is detachably connected with a pilot valve, the top of the pilot valve is detachably connected with a cylinder valve seat, the bottom of the control machine slot is fixedly installed with a main valve seat, the main valve seat is connected to the diversion adjustment table through a positioning plate 1, the side wall of the pilot valve is connected with a return pipe, the side walls of the control machine slot are respectively installed with two inlet pipes and a pressure sensor, a double-control valve core is slidably installed in the pilot valve, the cylinder valve seat is used to drive the double-control valve core to open and close the pilot valve and the main valve seat, the pressure sensor can monitor the pressure in the control machine slot, and the two inlet pipes can respectively transport glue and corrosive fluid;

[0007] The diversion adjustment platform includes an upper guide platform and a lower guide platform and a guide chip arranged between the upper guide platform and the lower guide platform. A micrometer is installed on the top of the upper guide platform. The driving end of the micrometer is connected to a plug that matches the guide chip. The height of the plug is adjusted by a micrometer, and the control accuracy is higher. The upper guide platform and the lower guide platform are detachably connected by bolts, which is convenient for installation and subsequent disassembly and maintenance.

[0008] As a preferred technical solution of the present invention, the opening and closing valve includes a cylinder body, a guide body and an opening and closing valve seat, the middle part of the guide body is slidably connected with an opening and closing rod, one end of the opening and closing rod is fixedly connected with a conical sealing plug, the side wall of the opening and closing valve seat is connected with a catheter joint, the conical sealing plug abuts against the opening and closing valve seat to close the catheter joint, and the catheter joint is used to connect a glue dispensing hose for delivering glue.

[0009] As a preferred technical solution of the present invention, the cylinder body, guide body and opening and closing valve seat are detachably connected by bolts, a rectangular sealing sheet is arranged between the cylinder body and the guide body, and a circular sealing sheet is arranged between the guide body and the opening and closing valve seat, and the rectangular sealing sheet and the circular sealing sheet can ensure the sealing performance of the opening and closing valve after connection.

[0010] As a preferred technical solution of the present invention, a piston 1 is slidably installed on the inner side wall of the cylinder body, and the piston 1 is fixedly connected to the opening and closing rod. The side wall of the cylinder body also has two airflow interfaces, and the airflow interfaces are respectively connected to two air supply ducts. The two air supply ducts can respectively transport airflow to the airflow interfaces. When an airflow difference occurs, piston 1 will move, thereby driving the opening and closing rod and the conical sealing plug to close or open the opening and closing valve seat.

[0011] As a preferred technical solution of the present invention, the control machine slot, pilot valve, cylinder valve seat and main valve seat are detachably connected by bolt two, the side walls of the cylinder valve seat are respectively provided with two air inlets, the air inlets are connected to the air supply duct, the inner side wall of the cylinder valve seat is slidably connected to piston two, and the piston two is fixedly connected to the dual-control valve core.

[0012] As a preferred technical solution of the present invention, the dual-control valve core includes a dual-control slide rod, and the outer wall of the dual-control slide rod is fixedly connected to two symmetrically distributed valve heads, and the valve heads can resist the control machine slot to open and close the pilot valve or main valve seat.

[0013] As a preferred technical solution of the present invention, a main channel is provided on the inner side wall of the lower guide platform, a through hole is provided on the side wall of the main channel for connecting with the precision flow switch, and an L-shaped channel is provided on the inner side wall of the lower guide platform for connecting with the opening and closing valve.

[0014] As a preferred technical solution of the present invention, the guide chip includes a main groove and a branch groove, the branch grooves are equidistantly arranged on the side walls of the main groove, the position where the main groove and the branch groove meet has a groove that looks like a blockage, the main groove is connected to the main channel, and the branch groove is connected to the L-shaped channel.

[0015] As a preferred technical solution of the present invention, the number of the diverter slots is one of 2, 4, 6, 8 and 10.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] In the scheme of the present invention:

[0018] Through the setting of the diverter adjustment table, the on-off valve and the precision flow switch, the cylinder valve seat controls the up and down movement of the double-control valve core by adjusting the air pressure. When the double-control valve core is at the upper position, the pilot valve is opened and the main valve seat is closed. The excess fluid flows back to the fluid supply station through the reflux pipe on the side wall of the pilot valve. When the double-control valve core is at the bottom, the main valve seat is opened and the pilot valve is closed. The fluid flows into the diverter adjustment table through the main valve seat; rotating the micrometer can push the blockage to move up and down. When the blockage is at the top, the guide chip is opened, and when the blockage is at the bottom, the guide chip is closed. During the up and down movement, any point represents a different flow rate. The fluid is transported to the on-off valve through the diverter adjustment table, and then transported to the dispensing nozzle through the on-off valve. At the same time, the on-off valve can also be individually controlled to open and close to ensure the effective supply of the fluid. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application 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 of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0020] Figure 1 A schematic diagram of the three-dimensional structure of a dispensing system provided by the present invention;

[0021] Figure 2 A schematic diagram of the structure of an on-off valve of a dispensing system provided by the present invention;

[0022] Figure 3 A schematic diagram of a three-dimensional cutaway structure of an opening and closing valve of a dispensing system provided by the present invention;

[0023] Figure 4 A structural schematic diagram of a precision flow switch valve for a dispensing system provided by the present invention;

[0024] Figure 5 A schematic diagram of a three-dimensional cutaway structure of a flow distribution and adjustment platform of a dispensing system provided by the present invention;

[0025] Figure 6 A schematic diagram of the split structure of a flow distribution and adjustment platform of a dispensing system provided by the present invention;

[0026] Figure 7 A schematic diagram of a three-dimensional cutaway structure of a precision flow switch valve of a dispensing system provided by the present invention;

[0027] Figure 8 A schematic cross-sectional structure diagram of a precision flow switch valve for a dispensing system provided by the present invention;

[0028] Fig. 9 A structural schematic diagram of a second embodiment of a dispensing system provided by the present invention;

[0029] Fig.10 This is a schematic diagram of the structure of the flow guide chip in the second embodiment of the dispensing system provided by the present invention.

[0030] Indicated in the figure:

[0031] 1. Flow diversion adjustment table; 11. Upper guide table; 12. Lower guide table; 121. Main flow channel; 122. L-shaped flow channel; 13. Flow guide chip; 131. Main flow channel; 132. Diversion channel; 14. Micrometer; 15. Blockage;

[0032] 2. On-off valve; 21. Cylinder body; 22. Guide body; 23. On-off valve seat; 24. On-off rod; 25. Catheter joint; 26. Bolt 1; 27. Piston 1; 28. Air flow interface; 29. ​​Conical sealing plug;

[0033] 3. Precision flow switch valve; 31. Control machine slot; 32. Pilot valve; 33. Cylinder valve seat; 331. Air inlet; 332. Piston 2; 34. Main valve seat; 35. Positioning plate 1; 36. Return pipe; 37. Inlet pipe; 38. Pressure sensor; 39. Double-control valve core; 391. Double-control slide rod; 392. Valve head; 310. Bolt 2. DETAILED DESCRIPTION

[0034] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0035] Embodiment 1:

[0036] See also Figures 1 to 8 The present invention provides a technical solution: a dispensing system, comprising a flow diversion regulating platform 1, a front end of the flow diversion regulating platform 1 is provided with an on-off valve 2, and a rear end of the flow diversion regulating platform 1 is connected with a precision flow switch valve 3;

[0037] Among them, the precision flow switch valve 3 includes a control machine slot 31, the top of the control machine slot 31 is detachably connected with a pilot valve 32, the top of the pilot valve 32 is detachably connected with a cylinder valve seat 33, the bottom of the control machine slot 31 is fixedly installed with a main valve seat 34, the main valve seat 34 is connected to the diversion adjustment platform 1 through a positioning plate 35, the side wall of the pilot valve 32 is connected with a return pipe 36, the side walls of the control machine slot 31 are respectively installed with two inlet pipes 37 and a pressure sensor 38, a double-control valve core 39 is slidably installed in the pilot valve 32, the cylinder valve seat 33 is used to drive the double-control valve core 39 to open and close the pilot valve 32 and the main valve seat 34, the pressure sensor 38 can monitor the pressure in the control machine slot 31, and the two inlet pipes can respectively transport glue and corrosive fluid;

[0038] The diversion regulating platform 1 includes an upper guide platform 11 and a lower guide platform 12 and a guide chip 13 arranged between the upper guide platform 11 and the lower guide platform 12. A micrometer 14 is installed on the top of the upper guide platform 11. The driving end of the micrometer 14 is connected to a plug 15 that is compatible with the guide chip 13. The micrometer 14 is used to adjust the height of the plug 14, and the control accuracy is higher. The upper guide platform 11 and the lower guide platform 12 are detachably connected by bolts, which is convenient for installation and subsequent disassembly and maintenance.

[0039] As a preferred embodiment, on the basis of the above-mentioned method, further, the opening and closing valve 2 includes a cylinder body 21, a guide body 22 and an opening and closing valve seat 23, the middle part of the guide body 22 is slidably connected with an opening and closing rod 24, one end of the opening and closing rod 24 is fixedly connected with a conical sealing plug 29, and the side wall of the opening and closing valve seat 23 is connected with a catheter joint 25, the conical sealing plug 29 abuts against the opening and closing valve seat 23 to close the catheter joint 25, and the catheter joint 25 is used to connect the glue dispensing hose for conveying glue.

[0040] The cylinder body 21, the guide body 22 and the opening and closing valve seat 23 are detachably connected by a bolt 26. Specifically, the cylinder body 21, the guide body 22 and the opening and closing valve seat 23 are provided with through holes and threaded holes that are compatible with the bolt 26. A rectangular sealing sheet is provided between the cylinder body 21 and the guide body 22, and a circular sealing sheet is provided between the guide body 22 and the opening and closing valve seat 23. The rectangular sealing sheet and the circular sealing sheet can ensure the sealing performance of the opening and closing valve 2 after connection. A piston 27 is slidably installed on the inner side wall of the cylinder body 21. The piston 27 is fixedly connected to the opening and closing rod 24. The side wall of the cylinder body 21 also has two air flow interfaces 28. The air flow interfaces 28 are respectively connected to two air supply ducts. The two air supply ducts can respectively convey air flow to the air flow interfaces 28. When there is an air flow difference, the piston 27 will move, thereby driving the opening and closing rod 24 and the conical sealing plug 29 to close or open the opening and closing valve seat 23.

[0041] As a preferred embodiment, on the basis of the above-mentioned manner, further, the control machine slot 31, the pilot valve 32, the cylinder valve seat 33 and the main valve seat 34 are detachably connected by bolt 2 310. Specifically, the control machine slot 31, the pilot valve 32, the cylinder valve seat 33 and the main valve seat 34 are detachably connected by bolt 2 310, and bolt holes and through holes matching with bolt 2 310 are provided on the side walls of the cylinder valve seat 33, respectively. The air inlets 331 are connected to the air supply duct, and the inner side wall of the cylinder valve seat 33 is slidably connected to piston 2 332, and piston 2 332 is fixedly connected to the dual-control valve core 39.

[0042] The double-control valve core 39 includes a double-control slide rod 391, and the outer wall of the double-control slide rod 391 is fixedly connected to two symmetrically distributed valve heads 392. The valve head 392 can resist the control machine slot 31 to open and close the pilot valve 32 or the main valve seat 34. Specifically, the valve head 392 is made of rubber, so that it is convenient to squeeze and deform to form a sealing state when closed.

[0043] As a preferred embodiment, on the basis of the above method, further, a main channel 121 is opened on the inner wall of the lower guide platform 12, and a through hole is opened on the side wall of the main channel 121 for connecting to the precision flow switch, and an L-shaped channel 122 is also opened on the inner wall of the lower guide platform 12, and the L-shaped channel 122 is used to connect to the opening and closing valve 2.

[0044] The guide chip 13 includes a main groove 131 and a branch groove 132. The branch grooves 132 are equidistantly arranged on the side walls of the main groove 131. The position where the main groove 131 and the branch groove 132 meet has a groove similar to the plug 15. The main groove 131 is connected to the main channel 121, and the branch groove 132 is connected to the L-shaped channel 122.

[0045] Specifically, when the dispensing system is working / in use: the return pipe 36 is connected to the fluid supply station, the inlet pipe 37 is connected to the fluid supply pipe, the conduit connector 25 is connected to the dispensing nozzle, and the cylinder valve seat 33 controls the up and down movement of the double-control valve core 39 by adjusting the air pressure. When the double-control valve core 39 is located at the upper position, the pilot valve 32 is opened and the main valve seat is closed. The excess fluid flows back to the fluid supply station through the return pipe 36 on the side wall of the pilot valve 32. When the double-control valve core 39 is located at the lower position, the main valve seat 34 is opened. The fluid of closed pilot valve 32 flows into the diversion regulating platform 1 through main valve 34; rotating micrometer 14 can push plug 15 to move up and down, when plug 15 is located at the upper part, flow guide chip 13 is opened, and when plug 15 is located at the lower part, flow guide chip 13 is closed. Any point in the up and down movement process represents a flow rate of different sizes. The fluid is transported to the opening and closing valve 2 through the diversion regulating platform 1, and then transported to the dispensing nozzle through the opening and closing valve 2. At the same time, the opening and closing valve 2 can also be individually controlled to ensure the effective supply of the fluid.

[0046] Embodiment 2:

[0047] See also Fig. 9 and Fig.10 The present invention provides a technical solution: a dispensing system, which optimizes the local structure in the diversion adjustment platform 1 on the basis of the first embodiment, and the specific number of the diversion slots 132 is one of 2, 4, 6, 8 and 10. Specifically in this embodiment, the number of the diversion slots 132 is 8. When the fluid is transported in the main slot 131, it can be dispersed into the 8 diversion slots 132. At the same time, the opening and closing and flow rate of each diversion slot 132 can be adjusted to achieve precise flow control.

[0048] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A dispensing system, characterized in that: It comprises a flow diversion regulating platform (1), the front end of which is provided with an on-off valve (2), and the rear end of which is connected with a precision flow switch valve (3); The precision flow switch valve (3) comprises a control machine slot (31), the top of the control machine slot (31) is detachably connected to a pilot valve (32), the top of the pilot valve (32) is detachably connected to a cylinder valve seat (33), the bottom of the control machine slot (31) is fixedly installed with a main valve seat (34), the main valve seat (34) is connected to the flow diversion regulating platform (1) through a positioning plate (35), the side wall of the pilot valve (32) is connected to a return pipe (36), the side walls of the control machine slot (31) are respectively installed with two inlet pipes (37) and a pressure sensor (38), a double control valve core (39) is slidably installed in the pilot valve (32), and the cylinder valve seat (33) is used to drive the double control valve core (39) to open and close the pilot valve (32) and the main valve seat (34); The flow diversion and adjustment platform (1) comprises an upper guide platform (11) and a lower guide platform (12), and a flow guide chip (13) arranged between the upper guide platform (11) and the lower guide platform (12); a micrometer (14) is installed on the top of the upper guide platform (11); and a driving end of the micrometer (14) is connected to a plug (15) adapted to the flow guide chip (13).

2. A dispensing system according to claim 1, characterized in that: The on-off valve (2) comprises a cylinder body (21), a guide body (22) and an on-off valve seat (23); an on-off rod (24) is slidably connected to the middle of the guide body (22); one end of the on-off rod (24) is fixedly connected to a conical sealing plug (29); a side wall of the on-off valve seat (23) is connected to a conduit joint (25); the conical sealing plug (29) contacts the on-off valve seat (23) to close the conduit joint (25).

3. A dispensing system according to claim 2, characterized in that: The cylinder body (21), the guide body (22) and the opening and closing valve seat (23) are detachably connected via a bolt (26); a rectangular sealing sheet is provided between the cylinder body (21) and the guide body (22); and a circular sealing sheet is provided between the guide body (22) and the opening and closing valve seat (23).

4. A dispensing system according to claim 3, characterized in that: A piston (27) is slidably mounted on the inner side wall of the cylinder body (21), and the piston (27) is fixedly connected to the opening and closing rod (24). The side wall of the cylinder body (21) also has two air flow interfaces (28), and the air flow interfaces (28) are respectively connected to two air supply ducts.

5. A dispensing system according to claim 1, characterized in that: The control machine slot (31), the pilot valve (32), the cylinder valve seat (33) and the main valve seat (34) are detachably connected via bolt 2 (310); the side walls of the cylinder valve seat (33) are respectively provided with two air inlets (331), the air inlets (331) are connected to the air supply conduit, the inner side wall of the cylinder valve seat (33) is slidably connected to piston 2 (332), and the piston 2 (332) is fixedly connected to the double-control valve core (39).

6. A dispensing system according to claim 5, characterized in that: The double-control valve core (39) includes a double-control sliding rod (391), and the outer wall of the double-control sliding rod (391) is fixedly connected with two symmetrically distributed valve heads (392), and the valve heads (392) can contact the control machine slot (31) to open and close the pilot valve (32) or the main valve seat (34).

7. A dispensing system according to claim 1, characterized in that: The inner side wall of the lower guide platform (12) is provided with a main flow channel (121), and the side wall of the main flow channel (121) is provided with a through hole for connecting to the precision flow switch. The inner side wall of the lower guide platform (12) is also provided with an L-shaped flow channel (122), and the L-shaped flow channel (122) is used to connect to the on-off valve (2).

8. A dispensing system according to claim 7, characterized in that: The flow guide chip (13) comprises a main flow groove (131) and a branch flow groove (132), wherein the branch flow grooves (132) are arranged at equal intervals on the side wall of the main flow groove (131), and a groove similar to the plug (15) is provided at the junction of the main flow groove (131) and the branch flow groove (132), wherein the main flow groove (131) is connected to the main flow channel (121), and the branch flow groove (132) is connected to the L-shaped flow channel (122).

9. A dispensing system according to claim 8, characterized in that: The number of the diverter grooves (132) is one of 2, 4, 6, 8 and 10.

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