Spraying device for steel plate machining

Abstract

A steel plate machining spraying device comprises a bearing support, a steel plate supporting roller, a longitudinal displacement screw rod, a longitudinal displacement motor, a rear supporting column, a transverse displacement motor, a transverse displacement block, a transverse displacement screw rod, an electric telescopic rod, an angle adjusting driving motor, a spraying opening bearing table, a sealing block, a magnetic coil, an auxiliary block positioning block and a spraying feeding pipe. Supporting roller connecting grooves are formed in the middle of the bearing support, supporting roller connecting columns are arranged on the side faces of the steel plate supporting rollers, the supporting roller connecting grooves are rotationally connected with the supporting roller connecting columns, supporting block connecting tables are arranged on the rear portion of the bearing support, supporting block connecting grooves are formed in the supporting block connecting tables, and longitudinal screw connecting grooves are formed in the side faces of the supporting block connecting grooves. The longitudinal displacement screw is rotationally connected with the longitudinal screw connecting groove, a longitudinal motor connecting table is arranged on the right side of the supporting block connecting table, and the longitudinal displacement motor is inserted into the longitudinal motor connecting table to be fixed.

Description

Technical Field

[0001] The utility model relates to the field of steel plate processing, in particular to a steel plate processing spraying device. Background Art

[0002] The existing patent (Announcement No.: CN217368818U) proposes a steel plate processing spraying device, in which a fixed rod is arranged below the mounting frame and connected to the mounting frame through a guide column, a fixed tube and a sealing sleeve rod are fixed at both ends of the fixed rod, and the ends of the sealing sleeve rod are slidably plugged with movable tubes, each group of fixed tubes and movable tubes are connected to multiple groups of nozzles arranged vertically downward, the fixed tubes and movable tubes located at the same end of the fixed rod are connected through a connecting hose, the two groups of fixed tubes are connected to a feed pipe, and the two groups of feed pipes are respectively installed with an air supply pump and a pressure pump, a lifting rod is slidably installed on the guide column, and the lifting rod is equipped with an adjustment mechanism linked to each movable tube, however, in this device, "the pressure pump pumps the spraying material into the corresponding fixed tube and movable tube, and the nozzle sprays it vertically downward into the upper surface of the steel plate", all nozzles will be opened synchronously during the spraying process, facing the spraying process of a steel plate with a small area or a non-standard irregular shape, which may cause some nozzles to idle during the spraying process, resulting in a waste of raw materials. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a method of controlling the movement of a closing block by means of a magnetic coil provided on the side of each spray port, wherein when the corresponding spray port needs to be opened, the corresponding magnetic coil is opened to drive the corresponding closing block to retreat, so that the spray hole and the internal space of the total connecting groove are connected, and the spray port can perform normal spraying operations, and by reversely starting the magnetic coil to make the closing block move forward and press against the front part of the closing groove, the spray hole is disconnected from the internal space of the total connecting groove, so that the spray port will not perform spraying operations, thereby freely controlling the number and position of the spray ports for spraying during the spraying operation, avoiding the waste of part of the raw materials caused by opening all the spray ports during the spraying operation of steel plates of different shapes and sizes, and providing a steel plate processing spraying device with reduced production costs.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A steel plate processing spraying device, including a bearing bracket, a steel plate support roller, a longitudinal displacement screw, a longitudinal displacement motor, a rear support column, a transverse displacement motor, a transverse displacement block, a transverse displacement screw, an electric telescopic rod, an angle adjustment drive motor, a spray port bearing platform, a closing block, a magnetic coil, an auxiliary block positioning block, and a spray feed pipe. The bearing bracket has a support roller connecting groove in the middle, a support roller connecting column on the side of the steel plate support roller, the support roller connecting groove is rotatably connected to the support roller connecting column, a support block connecting platform is provided at the rear of the bearing bracket, and a support block connecting groove is provided inside the support block connecting platform A longitudinal screw connecting groove is provided on the side of the support block connecting groove, and the longitudinal displacement screw is rotatably connected to the longitudinal screw connecting groove. A longitudinal motor connecting platform is provided on the right side of the support block connecting platform, and the longitudinal displacement motor is inserted into the longitudinal motor connecting platform and fixed inside. The transmission shaft at the front of the longitudinal displacement motor is fixedly connected to the longitudinal displacement screw. A bottom support block is provided at the bottom of the rear support column, and the bottom support block is adapted to the support block connecting groove. The bottom support block slides inside the support block connecting groove, and a longitudinal displacement screw groove is provided inside the bottom support block. The longitudinal displacement screw groove is adapted to the longitudinal displacement screw, and the longitudinal displacement screw groove is threadedly connected to the longitudinal displacement screw.

[0006] The upper part of the rear support column is provided with a spraying support platform, the interior of the spraying support platform is provided with a transverse block connecting groove, the side of the transverse block connecting groove is provided with a transverse screw connecting groove, the side of the transverse displacement screw is rotatably connected to the transverse screw connecting groove, the rear part of the spraying support platform is provided with a transverse motor connecting platform, the transverse displacement motor is inserted into the interior of the transverse motor connecting platform and fixed, the transmission shaft at the front of the transverse displacement motor is fixedly connected to the transverse displacement screw, the transverse displacement block is adapted to the transverse block connecting groove, the transverse displacement block is connected to the transverse block connecting groove, and the transverse displacement block slides inside the transverse block connecting groove. Beneficial Effects

[0007] 1. When the utility model uses the device to perform steel plate processing spraying operations, the movement of the closing block is controlled by the magnetic coils provided on the side of each spray port. When the corresponding spray port needs to be opened, the corresponding magnetic coil is opened to drive the corresponding closing block to retreat, so that the spray hole and the internal space of the total connecting groove are connected, and this spray port can perform normal spraying operations. By reversely starting the magnetic coil, the closing block is pressed forward and pressed against the front of the closing groove, and the spray hole is disconnected from the internal space of the total connecting groove, and this spray port will not perform spraying operations. In this way, the number and position of the spray ports for spraying during the spraying operation can be freely controlled, avoiding the waste of part of the raw materials caused by opening all the spray ports of this device during the spraying operation of steel plates of different shapes and sizes, thereby reducing production costs.

[0008] 2. The upper part of the bracket positioning platform of the utility model is provided with four evenly arranged auxiliary positioning grooves. When the spray port bearing platform is rotated to a horizontal position or a vertical position, the auxiliary block positioning block can be inserted into the auxiliary positioning groove to fix the spray port bearing platform on the basis, thereby avoiding inaccurate control of the rotation angle of the spray port bearing platform causing the spray port bearing platform to be skewed, and ensuring the accuracy of the spray port bearing platform when switching between the horizontal and vertical states.

[0009] 3. The transmission shaft at the bottom of the angle-adjustable drive motor of the utility model is fixedly connected to the spray port bearing platform, so that the spray port bearing platform can be switched between the horizontal state and the vertical state, and can also be switched to other angle states, so that this device can adapt to the spraying operation of non-standard steel plates with more complex shapes, further increasing the adaptability of this device.

[0010] 4. The bracket positioning platform of the utility model is inserted into the supporting frame connecting groove, and the supporting frame connecting groove is responsible for bearing the weight of the spray port bearing platform, so that the angle adjustment drive motor only needs to provide rotational force without providing bearing force during operation, thereby avoiding excessive force on the angle adjustment drive motor affecting its service life, thereby ensuring the overall service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model is a schematic structural diagram of a steel plate processing spraying device.

[0012] Figure 2 This is a front cross-sectional view of a steel plate processing spraying device described in the utility model.

[0013] Figure 3 For the utility model Figure 2 Partial enlargement.

[0014] Figure 4 It is a partial side cross-sectional view of a steel plate processing spraying device described in the utility model.

[0015] Figure 5 This is a schematic diagram of the load-bearing bracket structure described in the utility model.

[0016] Figure 6 This is a schematic diagram of the rear support column structure described in the utility model.

[0017] Figure 7 The utility model is a schematic diagram of the structure of the electric telescopic rod.

[0018] Figure 8 This is a schematic diagram of the structure of the spray port bearing platform described in the utility model. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0020] Embodiment 1:

[0021] A steel plate processing spraying device, including a bearing bracket 1, a steel plate support roller 4, a longitudinal displacement screw 7, a longitudinal displacement motor 10, a rear support column 13, a transverse displacement motor 15, a transverse displacement block 18, a transverse displacement screw 19, an electric telescopic rod 22, an angle adjustment drive motor 24, a spray port bearing platform 25, a closing block 33, a magnetic coil 36, an auxiliary block positioning block 40, and a spray feed pipe 44. The bearing bracket 1 has a support roller connecting groove 2 in the middle, and a support roller connecting column 3 is provided on the side of the steel plate support roller 4. The support roller connecting groove 2 is rotatably connected to the support roller connecting column 3. The bearing bracket 1 has a support block connecting platform 5 at the rear, and the support block connecting platform 5 has a support block connecting groove 6 inside. The support block connecting A longitudinal screw connecting groove 8 is provided on the side of the connecting groove 6, and the longitudinal displacement screw 7 is rotatably connected to the longitudinal screw connecting groove 8. A longitudinal motor connecting platform 9 is provided on the right side of the support block connecting platform 5, and the longitudinal displacement motor 10 is inserted into the longitudinal motor connecting platform 9 and fixed therein. The transmission shaft at the front of the longitudinal displacement motor 10 is fixedly connected to the longitudinal displacement screw 7. A bottom support block 12 is provided at the bottom of the rear support column 13, and the bottom support block 12 is adapted to the support block connecting groove 6. The bottom support block 12 is connected to the support block connecting groove 6, and the bottom support block 12 slides inside the support block connecting groove 6. A longitudinal displacement screw groove 11 is provided inside the bottom support block 12, and the longitudinal displacement screw groove 11 is adapted to the longitudinal displacement screw 7, and the longitudinal displacement screw groove 11 is threadedly connected to the longitudinal displacement screw 7.

[0022] Embodiment 2:

[0023] The utility model described in the rear support column 13 has a spraying support platform 16 on the upper part, the spraying support platform 16 has a lateral block connecting groove 17 inside, the lateral block connecting groove 17 has a lateral screw connecting groove 20, the lateral side of the lateral displacement screw 19 is rotatably connected with the lateral screw connecting groove 20, the spraying support platform 16 has a lateral motor connecting platform 14 at the rear, the lateral displacement motor 15 is inserted into the lateral motor connecting platform 14 and fixed, the transmission shaft at the front of the lateral displacement motor 15 is fixedly connected with the lateral displacement screw 19, the lateral displacement block 18 is adapted to the lateral displacement block connecting groove 17, the lateral displacement block 18 is connected to the lateral displacement block connecting groove 17, the lateral displacement block 18 slides inside the lateral displacement block connecting groove 17, the lateral displacement block 18 has a lateral displacement screw groove 21 inside, the lateral displacement screw groove 21 is connected to the lateral displacement screw groove 21, and the lateral displacement screw groove 21 is connected to the lateral displacement screw groove 21. The horizontal displacement screw 19 is adapted to the horizontal displacement screw 19, the horizontal displacement screw groove 21 is threadedly connected to the horizontal displacement screw 19, the bottom of the horizontal displacement block 18 is fixedly connected to the electric telescopic rod 22, the bottom of the electric telescopic rod 22 is provided with a lower telescopic rod 46, the bottom of the lower telescopic rod 46 is provided with an angle adjustment motor platform 23, the angle adjustment drive motor 24 is inserted into the angle adjustment motor platform 23 and fixed, the transmission shaft at the bottom of the angle adjustment drive motor 24 is fixedly connected to the spray port bearing platform 25, the transmission shaft at the bottom of the angle adjustment drive motor 24 is fixedly connected to the spray port bearing platform 25, so that the spray port bearing platform 25 can switch between the horizontal state and the vertical state, and can also switch to other angle states, so that this device can adapt to the spraying operation of non-standard steel plates with more complex shapes, further increasing the adaptability of this device.

[0024] Embodiment 3:

[0025] The utility model discloses a spray port bearing platform 25 with an annular support frame 26 on the top, a bracket positioning platform 27 on the top of the annular support frame 26, a side auxiliary platform 41 on the side of the electric telescopic rod 22, a side auxiliary mounting column 42 at the bottom of the side auxiliary mounting column 42, a support frame connecting groove 45 at the bottom of the side auxiliary mounting column 42, a bracket positioning platform 27 adapted to the support frame connecting groove 45, a bracket positioning platform 27 connected to the support frame connecting groove 45, a bracket positioning platform 27 slides inside the support frame connecting groove 45, a bracket positioning platform 27 is inserted into the support frame connecting groove 45, and a support frame connecting groove 45 is provided. The connecting groove 45 is responsible for bearing the weight of the spray port bearing platform 25, so that the angle adjustment drive motor 24 only needs to provide rotational force without providing bearing force during operation, thereby avoiding excessive force on the angle adjustment drive motor 24 affecting its service life, thereby ensuring the overall service life of the device. The upper part of the bracket positioning platform 27 has an auxiliary positioning groove 28, and the side auxiliary mounting column 42 has an auxiliary block mounting groove 39 inside. The auxiliary block positioning block 40 is adapted to the auxiliary block mounting groove 39, and the auxiliary block positioning block 40 is connected to the auxiliary block mounting groove 39, and the auxiliary block positioning block 40 slides inside the auxiliary block mounting groove 39.

[0026] Embodiment 4:

[0027] The top of the auxiliary block positioning block 40 of the utility model is connected to the top of the auxiliary block mounting groove 39 by a spring, the auxiliary block positioning block 40 is adapted to the auxiliary positioning groove 28, the auxiliary block positioning block 40 is connected to the auxiliary positioning groove 28, the bottom of the auxiliary block positioning block 40 is inserted into the auxiliary positioning groove 28, and four evenly arranged auxiliary positioning grooves 28 are arranged on the upper part of the bracket positioning platform 27. When the spray port bearing platform 25 rotates to the horizontal position or the vertical position, the auxiliary block positioning block 40 can be inserted into the auxiliary positioning groove 28 to fix the spray port bearing platform 25 on the basis, so as to prevent the spray port bearing platform 25 from rotating. Inaccurate dynamic angle control causes the spray port carrier 25 to be deflected. To ensure the accuracy of the spray port carrier 25 when switching the horizontal and vertical states, the front of the spray port carrier 25 is provided with a feed pipe connecting groove 43, and the spray feed pipe 44 is inserted into the feed pipe connecting groove 43 and fixed. The inside of the spray port carrier 25 is provided with a total connecting groove 29, and the bottom of the spray port carrier 25 is provided with a spray port 30. The internal spaces of the spray port 30, the total connecting groove 29, and the feed pipe connecting groove 43 are connected. The side of the spray port carrier 25 is provided with a closed block connecting platform 34, and the side of the closed block connecting platform 34 is provided with a coil connecting platform 35.

[0028] Embodiment 5:

[0029] The coil connection platform 35 of the utility model has a magnetic rod connection groove 37 inside, and the closing block connection platform 34 has a closing groove 32 inside. The closing block 33 is adapted to the closing groove 32, and the closing block 33 is connected to the closing groove 32. The closing block 33 slides inside the closing groove 32. The rear part of the closing block 33 has a driven magnetic rod 38. When the device is used for steel plate processing and spraying operations, the movement of the closing block 33 is controlled by the magnetic coil 36 provided on the side of each spray port 30. When the corresponding spray port 30 needs to be opened, the corresponding magnetic coil 36 is opened to drive the corresponding closing block 33 to retreat, so that the spray hole 31 and the internal space of the total communication groove 29 are connected. This spray port 30 can perform normal spraying operations, and the magnetic force is reversely started. The coil 36 causes the closing block 33 to move forward and press against the front of the closing groove 32, and the spray hole 31 is disconnected from the internal space of the main connecting groove 29. This spray port 30 will not perform a spraying operation, so that the number and position of the spray ports 30 for spraying during the spraying operation can be freely controlled, thereby avoiding the device from opening all the spray ports 30 during the spraying operation of steel plates of different shapes and sizes, causing a waste of some raw materials and reducing production costs. The driven magnetic rod 38 is adapted to the magnetic rod connecting groove 37, the driven magnetic rod 38 is connected to the magnetic rod connecting groove 37, the driven magnetic rod 38 slides inside the magnetic rod connecting groove 37, the magnetic coil 36 is inserted into the coil connecting platform 35 and fixed, and the coil connecting platform 35 is sleeved on the outside of the driven magnetic rod 38.

[0030] Embodiment 6:

[0031] The utility model installation steps are as follows: the support roller connecting column 3 of the steel plate support roller 4 is rotatably connected to the support roller connecting groove 2 of the load-bearing bracket 1, the longitudinal displacement screw 7 is rotatably connected to the longitudinal screw connecting groove 8 of the load-bearing bracket 1, the longitudinal displacement motor 10 is inserted into the longitudinal motor connecting platform 9 of the load-bearing bracket 1 and fixed, the transmission shaft of the front part of the longitudinal displacement motor 10 is fixedly connected to the longitudinal displacement screw 7, the bottom support block 12 of the rear support column 13 is inserted into the support block connecting groove 6 of the load-bearing bracket 1, so that the longitudinal displacement The screw rod 7 is threadedly connected to the longitudinal displacement screw groove 11 of the rear support column 13, the transverse displacement screw rod 19 is rotatably connected to the transverse screw connecting groove 20 of the rear support column 13, the transverse displacement block 18 is inserted into the transverse displacement block connecting groove 17 of the rear support column 13, the transverse displacement screw groove 21 of the transverse displacement block 18 is threadedly connected to the transverse displacement screw 19, the transverse displacement motor 15 is inserted into the transverse motor connecting platform 14 of the rear support column 13 and fixed, and the transmission shaft at the front of the transverse displacement motor 15 is fixedly connected to the transverse displacement screw 19 , the bottom of the lateral displacement block 18 is fixedly connected to the electric telescopic rod 22, the angle adjustment drive motor 24 is inserted into the angle adjustment motor platform 23 of the electric telescopic rod 22 and fixed, the transmission shaft at the front of the angle adjustment drive motor 24 is fixedly connected to the spray port bearing platform 25, the auxiliary block positioning block 40 is inserted into the auxiliary block mounting groove 39 of the electric telescopic rod 22, the top of the auxiliary block positioning block 40 is connected to the top of the auxiliary block mounting groove 39 through a spring, and the bracket positioning platform 27 of the spray port bearing platform 25 is inserted into the electric telescopic rod 2 2, the bottom of the auxiliary block positioning block 40 is inserted into the auxiliary positioning groove 28 of the spray port bearing platform 25, the magnetic coil 36 is inserted into the coil connecting platform 35 of the spray port bearing platform 25, the closing block 33 is inserted into the closing groove 32 of the spray port bearing platform 25, the driven magnetic rod 38 of the closing block 33 is inserted into the magnetic rod connecting groove 37 of the spray port bearing platform 25, the magnetic coil 36 is sleeved on the outside of the driven magnetic rod 38, and the installation of the device is completed.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A steel plate processing spraying device, characterized in that The invention comprises a bearing bracket (1), a steel plate support roller (4), a longitudinal displacement screw (7), a longitudinal displacement motor (10), a rear support column (13), a transverse displacement motor (15), a transverse displacement block (18), a transverse displacement screw (19), an electric telescopic rod (22), an angle adjustment drive motor (24), a spray port bearing platform (25), a closing block (33), a magnetic coil (36), an auxiliary block positioning block (40), and a spray feed pipe (44). The bearing bracket (1) has a supporting roller connecting groove (2) in the middle, and a supporting roller connecting column (3) is provided on the side of the steel plate support roller (4). The supporting roller connecting groove (2) is rotatably connected to the supporting roller connecting column (3). The bearing bracket (1) has a supporting block connecting platform (5) at the rear, and the supporting block connecting platform (5) has a supporting block connecting groove (6) inside. The supporting block connecting groove (6) ) has a longitudinal screw connecting groove (8) on the side, the longitudinal displacement screw (7) is rotatably connected to the longitudinal screw connecting groove (8), the right side of the support block connecting platform (5) has a longitudinal motor connecting platform (9), the longitudinal displacement motor (10) is inserted into the longitudinal motor connecting platform (9) and fixed, the transmission shaft at the front of the longitudinal displacement motor (10) is fixedly connected to the longitudinal displacement screw (7), the bottom of the rear support column (13) has a bottom support block (12), the bottom support block (12) is adapted to the support block connecting groove (6), the bottom support block (12) is connected to the support block connecting groove (6), the bottom support block (12) slides inside the support block connecting groove (6), the bottom support block (12) has a longitudinal displacement screw groove (11) inside, the longitudinal displacement screw groove (11) is adapted to the longitudinal displacement screw (7), and the longitudinal displacement screw groove (11) is threadedly connected to the longitudinal displacement screw (7).

2. A steel plate processing spraying device according to claim 1, characterized in that The upper part of the rear support column (13) is provided with a spraying support platform (16), the interior of the spraying support platform (16) is provided with a transverse block connecting groove (17), the side of the transverse block connecting groove (17) is provided with a transverse screw connecting groove (20), the side of the transverse displacement screw (19) is rotatably connected to the transverse screw connecting groove (20), the rear part of the spraying support platform (16) is provided with a transverse motor connecting platform (14), the transverse displacement motor (15) is inserted into the interior of the transverse motor connecting platform (14) and fixed, the transmission shaft at the front of the transverse displacement motor (15) is fixedly connected to the transverse displacement screw (19), the transverse displacement block (18) is adapted to the transverse block connecting groove (17), and the transverse displacement block (18) is connected to the transverse block connecting groove (1 7), the transverse displacement block (18) slides inside the transverse displacement block connecting groove (17), the transverse displacement block (18) has a transverse displacement screw groove (21), the transverse displacement screw groove (21) is adapted to the transverse displacement screw rod (19), the transverse displacement screw groove (21) is threadedly connected to the transverse displacement screw rod (19), the bottom of the transverse displacement block (18) is fixedly connected to the electric telescopic rod (22), the bottom of the electric telescopic rod (22) has a lower telescopic rod (46), the bottom of the lower telescopic rod (46) has an angle adjustment motor platform (23), the angle adjustment drive motor (24) is inserted into the angle adjustment motor platform (23) and fixed, and the transmission shaft at the bottom of the angle adjustment drive motor (24) is fixedly connected to the spray port bearing platform (25).

3. A steel plate processing spraying device according to claim 2, characterized in that The spray port bearing platform (25) has an annular support frame (26) on the upper part, and a support positioning platform (27) is provided on the upper part of the annular support frame (26). The electric telescopic rod (22) has a side auxiliary platform (41) on the side, and a side auxiliary mounting column (42) is provided at the bottom of the side auxiliary platform (41). The bottom of the side auxiliary mounting column (42) has a support frame connecting groove (45). The support positioning platform (27) is adapted to the support frame connecting groove (45). The support positioning platform (27) is connected to the support frame connecting groove (45). The support positioning platform (27) slides inside the support frame connecting groove (45). The upper part of the support positioning platform (27) has an auxiliary positioning groove (28). The side auxiliary mounting column (42) has an auxiliary block mounting groove (39) inside. The auxiliary block positioning block (40) is adapted to the auxiliary block mounting groove (39). The auxiliary block positioning block (40) is connected to the auxiliary block mounting groove (39). The auxiliary block positioning block (40) slides inside the auxiliary block mounting groove (39).

4. A steel plate processing spraying device according to claim 3, characterized in that The top of the auxiliary block positioning block (40) is connected to the top of the auxiliary block mounting groove (39) by a spring, the auxiliary block positioning block (40) is adapted to the auxiliary positioning groove (28), the auxiliary block positioning block (40) is connected to the auxiliary positioning groove (28), the bottom of the auxiliary block positioning block (40) is inserted into the auxiliary positioning groove (28), the front of the spray port bearing platform (25) has a feed pipe connecting groove (43), the spray feed pipe (44) is inserted into the feed pipe connecting groove (43) and fixed, the inside of the spray port bearing platform (25) has a total connecting groove (29), the bottom of the spray port bearing platform (25) has a spray port (30), the internal spaces of the spray port (30), the total connecting groove (29), and the feed pipe connecting groove (43) are connected, the side of the spray port bearing platform (25) has a closed block connecting platform (34), and the side of the closed block connecting platform (34) has a coil connecting platform (35).

5. A steel plate processing spraying device according to claim 4, characterized in that The coil connection platform (35) has a magnetic rod connection groove (37) inside, the closing block connection platform (34) has a closing groove (32) inside, the closing block (33) is adapted to the closing groove (32), the closing block (33) is connected to the closing groove (32), the closing block (33) slides inside the closing groove (32), the closing block (33) has a driven magnetic rod (38) at the rear, the driven magnetic rod (38) is adapted to the magnetic rod connection groove (37), the driven magnetic rod (38) is connected to the magnetic rod connection groove (37), the driven magnetic rod (38) slides inside the magnetic rod connection groove (37), the magnetic coil (36) is inserted into the coil connection platform (35) and fixed, and the coil connection platform (35) is sleeved on the outside of the driven magnetic rod (38).

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