A multifunctional combined brush coating machine

Abstract

The present invention relates to a multifunctional combined brush coating machine, comprising a movable frame, a glue storage tank arranged in the frame, a stirring tank arranged on one side of the glue storage tank, a conduit for transferring glue from the glue storage tank to the stirring tank arranged between the stirring tank and the glue storage tank, two ends of the conduit are respectively connected with the stirring tank and the glue storage tank and are sealed and connected, a stirring mechanism for stirring glue is arranged in the stirring tank, and a glue outlet for transferring glue from the stirring tank to the mixing tank is arranged on the stirring tank. The technical scheme of the present invention has the technical effects of simple operation, convenience and practicality.

Description

Technical Field

[0001] The invention relates to the technical field of machinery, in particular to a multifunctional combined brush coating machine. Background Art

[0002] The glue can only be used normally after adding a certain proportion of curing agent and stirring. The traditional glue brushing machine stores and stirs together, which can easily lead to waste if the glue is not used up. The glue left overnight is easy to deteriorate, and the deteriorated and hardened glue is difficult to clean. In addition, the proportion of glue used is difficult to master, and the inconvenience in use leads to low efficiency, which affects the normal use of the glue brushing machine on the assembly line. Summary of the invention

[0003] Based on the above problems, the present invention provides a multifunctional combined brush coating machine which is simple to operate, convenient and practical.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multifunctional combined brush coating machine, comprising a movable frame, a glue storage tank arranged in the frame, a stirring tank arranged on one side of the glue storage tank, a conduit for transferring glue from the glue storage tank to the stirring tank arranged between the stirring tank and the glue storage tank, the two ends of the conduit are respectively connected to the stirring tank and the glue storage tank and are sealed, a stirring mechanism for stirring the glue is arranged in the stirring tank, and a glue outlet for transferring glue from the stirring tank to the mixing tank is arranged on the stirring tank.

[0005] By adopting the above technical scheme, when processing glue, the glue in the glue storage tank can be transported to the stirring tank through the catheter, and then the glue is stirred and processed by the stirring mechanism in the stirring tank. After the glue is processed, the glue can be sent from the glue outlet of the stirring tank to the glue brushing station through the sealed structure on the stirring tank. The glue is processed by the stirring tank, so that the glue can be processed effectively and quickly. The glue is stored in the glue storage tank and automatically injected into the stirring tank. The stirring tank stirs and discharges glue through the glue outlet. The glue storage tank and the stirring tank, a large tank for storing glue and a small tank for stirring, the two tanks are independent of each other and do not interfere with each other, which is convenient, practical and efficient.

[0006] The present invention is further provided that: the stirring tank includes a tank body and a tank cover, the stirring mechanism includes a stirring motor, a stirring shaft, and a stirring impeller, the tank cover is arranged on the tank body, the stirring motor is arranged on the tank cover, the stirring impeller is arranged in the tank body, a coupling is arranged on the tank cover, one end of the stirring shaft is connected to the stirring motor through the coupling, and the other end of the stirring shaft passes through the tank cover and is connected to the stirring impeller.

[0007] By adopting the above technical solution, when the glue is placed in the stirring tank, the stirring shaft of the stirring mechanism is driven by the stirring motor to rotate the stirring impeller to stir the glue. The stirring motor and the stirring impeller are movably connected through the coupling on the tank cover.

[0008] The present invention is further configured as follows: a crossbeam is provided on the frame, the stirring tank is arranged on the crossbeam, a first connecting piece is provided on one side of the middle of the stirring tank corresponding to the crossbeam, a second connecting piece is provided on one end of the conduit corresponding to the crossbeam, the second connecting piece is embedded in the crossbeam, the first connecting piece is communicated with the second connecting piece and can be quickly disassembled and connected.

[0009] By adopting the above technical solution, when the mixing tank needs to be cleaned, the arrangement of the first connecting member and the second connecting member enables the mixing tank to be quickly disassembled from the crossbeam for easy cleaning.

[0010] The present invention further provides that: a check valve which is in communication with the first connecting piece is embedded in a side of the tank body corresponding to the first connecting piece.

[0011] By adopting the above technical solution, when the glue enters the mixing tank, the setting of the check valve prevents the glue from backflowing when entering the mixing tank.

[0012] The present invention further provides that locking handles are provided at both ends of the beam corresponding to the positions of the frame, and the locking handles are adjusted so that the beam can be moved or disassembled on the frame, and two oppositely arranged fixing columns are provided on one side of the beam corresponding to the mixing tank.

[0013] By adopting the above technical solution, when it is necessary to move and adjust the distance between the glue storage tank and the mixing tank, the locking handle can be set so that the tightness between the locking handle and the crossbeam can be changed by adjusting the locking handle, which is used to adjust the position of the mixing tank or remove the crossbeam from the frame. The two opposing fixed columns on the crossbeam are set to stabilize the mixing tank, so that the supporting force at the bottom of the mixing tank is more balanced.

[0014] The present invention further provides: handles are respectively provided on both sides of the tank body, and lifting ears are provided on the handles, and the lifting ears include a lifting ear fixing part and a lifting ear extension part, and the lifting ear fixing part is fixed on the tank body, one end of the lifting ear extension part is connected to the lifting ear fixing part, and the other end of the lifting ear extension part extends along the direction of the tank cover, the height of the lifting ear fixing part is greater than the height of the tank cover position and forms a slot with the lifting ear extension part. The tank cover is provided with a movable suspension beam, and the stirring motor is arranged on the suspension beam, and a through hole is arranged on the suspension beam, and a screw sleeve is arranged in the through hole, and a hollow screw rod matched with the screw sleeve is arranged on the other side of the screw sleeve relative to the stirring motor, and a handwheel is arranged on the tank cover, and the hollow screw rod is connected to the handwheel relative to the other end of the screw sleeve, and folding feet matched with the slot are respectively provided at both ends of the suspension beam, and the folding feet can drive the hollow screw rod to lift the suspension beam and place it into the slot position through the rotation of the handwheel, so as to lock the tank cover and the tank body.

[0015] By adopting the above technical scheme, when the tank cover together with the stirring mechanism is placed into the tank body, the arrangement of the ears and handles on both sides of the tank body, the height of the ear fixing part is greater than the height of the tank cover position, so that the position of the ear fixing part is higher than the tank cover and a slot is formed between the ear extension part and the tank cover, and a suspension beam is arranged on the tank cover, and the screw sleeve and the hollow screw rod are matched at the through hole position in the suspension beam, and the arrangement of a handwheel at one end of the hollow screw rod makes it possible to lift the suspension beam upward by rotating the handwheel, and drive the folding feet on the suspension beam into the slot position by turning the handwheel, and closely cooperate with the ears on the stirring tank, so that a closed space is formed between the tank body and the tank cover, and the sealed stirring tank delivers air pressure through the air inlet switch, so as to deliver the stirred glue to the glue brushing station.

[0016] The present invention is further provided with: a groove is provided below the tank cover, a sealing ring is provided in the groove, an air intake hole for air intake is provided on one side of the tank cover, a first air intake joint for air intake is provided on the air intake hole, a first pressure relief valve is serially arranged on the first air intake joint, a first glue discharge joint for glue discharge is provided on the other side of the tank cover, the glue outlet is provided at one end of the first glue discharge joint, a first pipe for glue suction is provided at the other end of the first glue discharge joint relative to the glue outlet, and the first pipe extends toward one side of the inner direction of the tank body relative to the other end of the first glue discharge joint.

[0017] By adopting the above technical solution, after the stirring is completed, air pressure is input through the first air inlet joint to form a vacuum in the tank, and then the glue is sent from the glue outlet to the glue brushing station through the first glue suction pipe and the first glue outlet joint, completing the whole process of glue storage, glue stirring and glue brushing, and through the first pressure relief valve, the pressure in the tank is prevented from being too high to cause safety hazards.

[0018] The present invention further provides that: an operation control panel is arranged on the frame, and a pressure gauge, a pressure regulating valve, a start switch, a glue discharging button, a motor switch, a flow switch and an air supply switch are arranged on the operation control panel.

[0019] By adopting the above technical solution, when the brush coating machine starts to operate, the start switch on the operation control panel is turned on, the air pressure is adjusted by the pressure gauge, the glue discharging button is turned on to transfer the glue in the glue storage tank to the mixing tank, the motor switch is turned on to stir the glue, the air pressure is transferred to the mixing tank through the air supply switch, and the glue flow is adjusted by the flow switch to transfer the glue to the glue coating station. The functions of the normal glue coating machine are completed to ensure normal operation on the assembly line.

[0020] The present invention is further configured as follows: a sealing cover is provided on the glue storage tank, a second pipe for sucking glue and a second glue outlet joint for discharging glue are provided on the sealing cover, a second air inlet joint and a second pressure relief valve are provided at both ends of the second pipe, and an air inlet channel is provided between the sealing cover and the second pipe.

[0021] By adopting the above technical solution, when conveying glue, air pressure is conveyed to the glue storage tank through the second air inlet joint on the closed sealing cover, vacuum is formed in the glue storage tank, and the glue is conveyed to the mixing tank through the second glue outlet joint of the tank cover through the second pipe for sucking glue. The provision of the second pressure relief valve on the other side of the sealing cover makes the conveying of glue safer and more convenient.

[0022] The present invention is further provided that: the frame includes a frame body, an armrest, and wheels, the glue storage tank is arranged in the frame body, the armrest is arranged at one end of the frame body, the wheel is arranged on one side of the bottom of the frame body, a storage cabinet is arranged inside the frame body corresponding to the armrest side, and a detachable movable baffle is also arranged on the frame, and the movable baffle is respectively arranged in the frame body at the left and right ends and the front end.

[0023] By adopting the above technical solution, when the rack needs to be moved, the wheels can be set so that the rack can be shifted conveniently and labor-savingly, and the armrests can make it more convenient to move the rack, and the storage cabinets in the frame can be used to place curing agents and flammable items to solve the safety hazards in the workshop. Pictures promoting fire safety knowledge are posted at the positions of the movable baffles to enhance employees' fire prevention awareness, and the pictures can be updated and replaced at any time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a structural diagram of an embodiment of the present invention;

[0025] Figure 2 The local structure of the embodiment of the present invention Figure 1 ;

[0026] Figure 3 This is a structural diagram of a stirring tank according to an embodiment of the present invention;

[0027] Figure 4 It is a cross-sectional view of a local structure diagram of an embodiment of the present invention;

[0028] Figure 5 This is a structural diagram of a tank cover of a stirring tank according to an embodiment of the present invention;

[0029] Figure 6 This is a tank structure diagram of a stirring tank according to an embodiment of the present invention;

[0030] Figure 7 A diagram of a cantilever beam structure according to an embodiment of the present invention;

[0031] Figure 8 The local structure of the embodiment of the present invention Figure 2 ;

[0032] Fig. 9 This is a structural diagram of a locker according to an embodiment of the present invention;

[0033] Fig.10 This is a schematic diagram of the glue extraction structure inside the glue storage tank according to an embodiment of the present invention;

[0034] Meaning of the numbers in the figure: 1-frame; 101-frame; 102-handrail; 103-wheel; 2-glue storage tank; 201-sealing cover; 202-second pipeline; 203-second glue outlet joint; 204-second air inlet joint; 205-second pressure relief valve; 3-mixing tank; 301-tank body; 302-tank cover; 4-pipe; 5-mixing mechanism; 501-mixing motor; 502-mixing shaft; 503-mixing impeller; 504-coupling, 6-crossbeam; 601-locking handle; 602-fixing column; 7-first connecting piece; 8-second connecting piece; 9-check valve; 10-handle; 11-lifting ear; 11 01-lifting ear fixing part; 1102-lifting ear extension part; 12-slot; 13-suspending beam; 1301-through hole; 1302-folding foot; 14-screw sleeve; 15-hollow screw rod; 16-handwheel; 17-air inlet through hole; 18-first air inlet joint; 19-first pressure relief valve; 20-glue outlet; 21-first glue outlet joint; 22-first pipeline; 23-stirring through hole; 24-sealing seat; 25-operation control panel; 26-pressure gauge; 27-pressure regulating valve; 28-start switch; 29-glue outlet button; 30-motor switch; 31-flow switch; 32-air supply switch; 33-storage cabinet; 34-movable baffle. DETAILED DESCRIPTION

[0035] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0036] See attached Figure 1-10The present invention discloses a multifunctional combined brush coating machine, comprising a movable frame 1, a glue storage tank 2 arranged in the frame 1, a stirring tank 3 arranged on one side of the glue storage tank 2, a conduit 4 for transferring glue from the glue storage tank 2 to the stirring tank 3 arranged between the stirring tank 3 and the glue storage tank 2, the two ends of the conduit 4 are respectively connected with the stirring tank 3 and the glue storage tank 2 and are sealed and connected, a stirring mechanism 5 for stirring glue is arranged in the stirring tank 3, and a glue outlet 20 for discharging glue from the stirring tank 3 is arranged on the stirring tank 3. After the glue is stirred, the glue is transported to the first glue outlet joint 21 through the first pipe 22 for sucking glue in the stirring tank 3, and the glue is delivered to the glue brushing station by air pressure. The glue is stored in a large tank, automatically driven into a small tank for automatic stirring, and then the glue in the small tank is automatically transported to the glue brushing station by the conveying air pressure. In this way, the glue can be processed quickly and effectively, conveniently and quickly transported, and quickly and effectively connected. The glue storage tank 2 and the stirring tank 3 are independent sealed tanks, which do not interfere with each other, are convenient, practical and efficient.

[0037] The present embodiment is further configured as follows: the stirring tank 3 includes a tank body 301 and a tank cover 302, the stirring mechanism 5 includes a stirring motor 501, a stirring shaft 502, and a stirring impeller 503, the tank cover 302 is arranged on the tank body 301, the stirring motor 501 is arranged on the tank cover 302, the stirring impeller 503 is arranged in the tank body 301, a coupling 504 is arranged on the tank cover 302, one end of the stirring shaft 502 is connected to the stirring motor 501 through the coupling 504, and the other end of the stirring shaft 502 passes through the tank cover 302 and is connected to the stirring impeller 503. When the glue is placed in the stirring tank 3, the stirring shaft 502 of the stirring mechanism 5 is driven by the stirring motor 501 to rotate the stirring impeller 503 for stirring the glue, and the stirring motor 501 and the stirring impeller 503 are movably connected through the coupling 504 on the tank cover 302.

[0038] This embodiment is further configured as follows: a crossbeam 6 is provided on the frame 1, the mixing tank 3 is provided on the crossbeam 6, a first connecting piece 7 is provided on one side of the middle of the mixing tank 3 corresponding to the crossbeam 6, a second connecting piece 8 is provided on one end of the conduit 4 corresponding to the crossbeam 6, the second connecting piece 8 is embedded in the crossbeam 6, the first connecting piece 7 is connected to the second connecting piece 8 and can be quickly disassembled and connected. When the mixing tank 3 needs to be cleaned, the configuration of the first connecting piece 7 and the second connecting piece 8 enables the mixing tank 3 to be quickly disassembled from the crossbeam 6 for easy cleaning.

[0039] This embodiment further has a configuration that: a check valve 9 is embedded in the tank body 301 on one side corresponding to the first connecting member 7 and is in communication with the first connecting member 7. When the glue enters the mixing tank 3, the setting of the check valve 9 prevents the glue from flowing back into the mixing tank 3.

[0040] This embodiment is further configured as follows: locking handles 601 are provided at both ends of the cross beam 6 corresponding to the positions of the frame 1. The locking handles 601 are adjusted so that the cross beam 6 can be moved or disassembled on the frame 1. Two oppositely arranged fixing columns 602 are provided on one side of the cross beam 6 corresponding to the mixing tank 3. When it is necessary to move and adjust the distance between the glue storage tank 2 and the mixing tank 3, the locking handle 601 can be adjusted to change the tightness between the locking handle 601 and the cross beam 6, so as to adjust the position of the mixing tank 3 or disassemble the cross beam 6 from the frame 1. The two opposite fixing columns 602 on the cross beam 6 are provided to stabilize the mixing tank, so that the supporting force at the bottom of the mixing tank 3 is more balanced.

[0041] The present embodiment is further configured as follows: handles 10 are respectively provided on both sides of the tank body 301, and ears 11 are provided on the handles 10. The ears 11 include an ear fixing portion 1101 and an ear extension portion 1102. The ear fixing portion 1101 is fixed on the tank body 301, and one end of the ear extension portion 1102 is connected to the ear fixing portion 1101, and the other end of the ear extension portion 1102 extends along the tank cover 302. The height of the ear fixing portion 1101 is greater than the height of the tank cover 302 and a slot 12 is formed between the ear extension portion 1102. A movable suspension beam 13 is provided on the tank cover 302. The mixing motor 501 is arranged on the suspension beam 13, and a through hole 1301 is arranged on the suspension beam 13. A screw sleeve 14 is arranged in the through hole 1301. A hollow screw rod 15 adapted to the screw sleeve 14 is arranged on the other side of the screw sleeve 14 relative to the mixing motor 501. A hand wheel 16 is arranged on the tank cover 302. The other end of the hollow screw rod 15 relative to the screw sleeve 14 is connected to the hand wheel 16. Folding feet 1302 adapted to the slot 12 are respectively arranged at both ends of the suspension beam 13. The folding feet 1302 can drive the hollow screw rod 15 to lift the suspension beam 13 and place it into the slot 12 position through the rotation of the hand wheel 16, so as to lock the tank cover 302 with the tank body 301. When the tank cover 302 together with the stirring mechanism 5 is placed in the tank body 301, the groove 12 formed between the ear fixing part 1101 and the ear extension part 1102 on both sides of the tank body 301 and the folding foot 1302 on the suspension beam 13 are matched with each other, so that the screw rod 15 connected to the hand wheel 16 cooperates with the screw sleeve 14 in the suspension beam 13 to squeeze the space in the groove 12 to form a closed tank body, thereby achieving the function of automatic glue discharge.

[0042] This embodiment is further configured as follows: a groove is provided below the tank cover 302, a sealing ring is provided in the groove, an air intake hole 17 for air intake is provided on one side of the tank cover 302, a first air intake connector 18 for air intake is provided on the air intake hole 17, a first pressure relief valve 19 is serially connected to the first air intake connector 18, a first glue outlet connector 21 for glue outlet is provided on the other side of the tank cover 302, the glue outlet 20 is provided at one end of the first glue outlet connector 21, a first pipe 22 for glue suction is provided at the other end of the first glue outlet connector 21 relative to the glue outlet 20, and the first pipe 22 extends toward one side of the inner direction of the tank body 301 relative to the other end of the first glue outlet connector 21. After the stirring is completed, the air pressure is input through the first air inlet joint 18 to form a vacuum in the tank, and then the glue is sent from the glue outlet 20 to the glue brushing station through the first glue suction pipe 22 and the first glue outlet joint 21, completing the whole process of glue storage, glue stirring, and glue brushing, and through the first pressure relief valve 19, the pressure in the tank is prevented from being too high to cause safety hazards. A stirring through hole 23 is also provided in the middle of the tank cover 302, and a sealing seat 24 is provided on the stirring through hole 23. A stirring shaft 502 is provided in the middle of the stirring through hole 23, and the stirring shaft 502 is connected to the stirring motor 501 through a coupling 504.

[0043] This embodiment is further configured as follows: an operation control panel 25 is provided on the frame 1, and a pressure gauge 26, a pressure regulating valve 27, a start switch 28, a glue discharging button 29, a motor switch 30, a flow switch 31 and an air supply switch 32 are provided on the operation control panel 25. When the brush coating machine is driven to work, the start switch 28 provided on the control panel 25 is turned on, the air pressure of the pressure gauge 26 is adjusted by the pressure regulating valve 27, the glue discharging button 29 is turned on, the glue is transported from the glue storage tank 2 to the mixing tank 3, the glue stirring is controlled by the motor switch 30, the flow switch 31 is adjusted, and finally the glue is transported from the first glue discharging joint 21 of the mixing tank 3 to the glue brushing station by using the air supply switch 32. Thus, the whole process of glue storage, glue stirring and glue brushing is completed.

[0044] This embodiment is further configured as follows: the glue storage tank 2 is provided with a sealing cover 201, the sealing cover 201 is provided with a second pipe 202 for sucking glue and a second glue outlet joint 203 for discharging glue, the second pipe 202 is provided with a second air inlet joint 204 and a second pressure relief valve 205 at both ends, and an air inlet channel is provided between the sealing cover 201 and the second pipe 202. When conveying glue, air pressure is conveyed to the glue storage tank 2 through the air inlet joint 204 and the air delivery channel, and the glue is conveyed from the glue storage tank 2 to the mixing tank 3 through the second pipe 202 for sucking glue, and a second pressure relief valve 205 is provided to ensure safer conveying of glue.

[0045] The present embodiment is further configured as follows: the frame 1 includes a frame 101, an armrest 102, and wheels 103; the glue storage tank 2 is arranged in the frame 101; the armrest 102 is arranged at one end of the frame 101; the wheel 103 is arranged on one side of the bottom of the frame 101; a storage cabinet 33 is arranged inside the frame 101 on one side corresponding to the armrest 102; a detachable movable baffle 34 is also arranged on the frame 1, and the movable baffle 34 is respectively arranged in the frame 101 at the left and right ends of the frame 101 and the front end. When the rack 1 needs to be moved, the wheels 103 are provided to facilitate and save effort in shifting the rack 1, and the armrests 102 are provided to facilitate moving the rack 1, and the storage cabinets 33 in the frame 101 are provided to store curing agents and flammable items to solve safety hazards in the workshop. Movable baffles 34 are provided at the left and right ends of the frame 101 and at the front end of the frame 101, and pictures promoting fire safety knowledge are posted on the movable baffles 34 to enhance employees' awareness of fire prevention.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications of the above assumptions should also be regarded as the scope of protection of the present invention.

Claims

1. A multifunctional combined brush coating machine, comprising a movable frame and a glue storage tank arranged in the frame, characterized in that: A stirring tank is arranged on one side of the glue storage tank, a conduit for transferring glue from the glue storage tank to the stirring tank is arranged between the stirring tank and the glue storage tank, two ends of the conduit are respectively communicated with the stirring tank and the glue storage tank and are sealed and connected, a stirring mechanism for stirring the glue is arranged in the stirring tank, and a glue outlet for transferring glue from the stirring tank to the mixing tank is arranged on the stirring tank, the stirring tank comprises a tank body and a tank cover, the stirring mechanism comprises a stirring motor, a stirring shaft, and a stirring impeller, the tank cover is arranged on the tank body, the stirring motor is arranged on the tank cover, the stirring impeller is arranged in the tank body, a coupling is arranged on the tank cover, one end of the stirring shaft is connected to the stirring motor through the coupling, and the other end of the stirring shaft passes through the tank cover and is connected to the stirring impeller, handles are arranged on both sides of the tank body, and ears are arranged on the handles, The lifting ear includes a lifting ear fixing part and a lifting ear extension part, the lifting ear fixing part is fixed on the tank body, one end of the lifting ear extension part is connected to the lifting ear fixing part, and the other end of the lifting ear extension part extends along the direction of the tank cover, the height of the lifting ear fixing part is greater than the height of the tank cover position and a slot is formed between the lifting ear extension part, a movable suspension beam is arranged on the tank cover, the stirring motor is arranged on the suspension beam, a through hole is arranged on the suspension beam, a screw sleeve is arranged in the through hole, a hollow screw rod matched with the screw sleeve is arranged on the other side of the screw sleeve relative to the stirring motor, a handwheel is arranged on the tank cover, the hollow screw rod is connected to the handwheel relative to the other end of the screw sleeve, and folding feet matched with the slot are respectively arranged at both ends of the suspension beam, and the folding feet can drive the hollow screw rod to lift the suspension beam into the slot position by rotating the handwheel to lock the tank cover and the tank body.

2. A multifunctional combined brush coating machine according to claim 1, characterized in that: A crossbeam is arranged on the frame, the stirring tank is arranged on the crossbeam, a first connecting piece is arranged on one side of the middle of the stirring tank corresponding to the crossbeam, a second connecting piece is arranged on one end of the conduit corresponding to the crossbeam, the second connecting piece is embedded in the crossbeam, the first connecting piece is communicated with the second connecting piece and can be quickly disassembled and connected.

3. A multifunctional combined brush coating machine according to claim 2, characterized in that: A check valve which is in communication with the first connecting piece is embedded in a side of the tank body corresponding to the first connecting piece.

4. A multifunctional combined brush coating machine according to claim 2, characterized in that: Locking handles are arranged at the two ends of the crossbeam corresponding to the positions of the frame. The locking handles can be adjusted so that the crossbeam can be moved or disassembled on the frame. Two oppositely arranged fixing columns are arranged on one side of the crossbeam corresponding to the mixing tank.

5. A multifunctional combined brush coating machine according to claim 1, characterized in that: A groove is provided below the tank cover, a sealing ring is provided in the groove, an air intake hole for air intake is provided on one side of the tank cover, a first air intake joint for air intake is provided on the air intake hole, a first pressure relief valve is serially arranged on the first air intake joint, a first glue outlet joint for glue discharge is provided on the other side of the tank cover, the glue outlet is provided at one end of the first glue outlet joint, a first pipe for glue suction is provided at the other end of the first glue outlet joint relative to the glue outlet, and the first pipe extends toward one side of the inner direction of the tank body relative to the other end of the first glue outlet joint.

6. A multifunctional combined brush coating machine according to claim 1, characterized in that: The frame is provided with an operation control panel, on which a pressure gauge, a pressure regulating valve, a start switch, a glue discharging button, a motor switch, a flow switch and an air supply switch are arranged.

7. A multifunctional combined brush coating machine according to claim 1, characterized in that: The glue storage tank is provided with a sealing cover, the sealing cover is provided with a second pipe for sucking glue and a second glue outlet joint for discharging glue, second air inlet joints and a second pressure relief valve are provided at both ends of the second pipe, and an air inlet channel is provided between the sealing cover and the second pipe.

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