Metal powder adding device of powder coating bonding machine

Abstract

The utility model relates to the technical field of metal powder adding devices, in particular to a metal powder adding device of a powder coating bonding machine. The metal powder adding device of the powder coating bonding machine aims at solving the technical problems that in the prior art, residual metal powder is prone to caking and adhering to the wall, and the metal powder can be stacked together during discharging. According to the technical scheme, the metal powder adding device of the powder coating bonding machine comprises a stock bin; the device further comprises a bin cover, a rotating shaft, a discharging valve, a dispersing and discharging assembly, a reciprocating control assembly, a stirring and scraping assembly, a spiral blade, a feeding opening, a third motor, a knocking rod and a rubber knocking head. The metal powder adding device has the lifting, stirring and strickling functions, metal powder in the adding device is fully scattered, the caking condition is avoided, the metal powder cannot be attached to the inner wall, the knocking function is matched, the metal powder is further vibrated down, and therefore it is guaranteed that the metal powder can be completely discharged, waste of the metal powder is reduced, and the accumulation condition is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of metal powder adding devices, in particular to a metal powder adding device of a powder coating bonding machine. Background Art

[0002] With the advancement of paint-to-powder conversion, the decline of wood grain powder, and the change of people's aesthetic concepts, the market for some metal powder coatings with high-end metallic texture has grown by leaps and bounds. Among them, the bonding process has become the most important part of producing metal powder. Powder coating bonding is to use effective bonding equipment, under certain process conditions, to bond metal pigments and powder base materials together to produce powder coatings with metallic texture. When performing bonding operations, the use of metal powder is inevitable, so a metal powder adding device is required. However, the remaining metal powder in the existing metal powder adding device is prone to agglomeration and sticking to the wall. The metal powder cannot be fully used, which is easy to cause waste. In addition, the feeding position of the metal powder is fixed and will pile up, affecting the quality of the coating. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a metal powder adding device for a powder coating bonding machine, which aims to solve the technical problems in the prior art that the remaining metal powder is easy to agglomerate and stick to the wall, and the metal powder is piled up when being unloaded.

[0004] The technical solution of the utility model is: a metal powder adding device of a powder coating bonding machine, comprising a silo; also comprising a silo cover, a rotating shaft, a discharge valve, a dispersing and discharging component, a reciprocating control component, a stirring and scraping component, a spiral blade, a feeding port, a third motor, a knocking rod and a rubber knocking head; a detachable silo cover is installed at the upper end of the silo; a rotating shaft is rotatably connected inside the silo cover; a discharge valve and a dispersing and discharging component are installed at the lower end of the silo in sequence; a reciprocating control component is installed at the right end of the silo; a stirring and scraping component and a spiral blade are installed outside the rotating shaft; a feeding port is provided at the upper end of the silo cover; a third motor for driving the rotating shaft is fixedly connected to the upper end of the silo cover; a knocking rod and a rubber knocking head are fixedly connected to the lower end of the reciprocating control component in sequence.

[0005] Preferably, metal powder is added into the silo through the feeding port at the upper end of the silo cover, the third motor is started to drive the rotating shaft to rotate synchronously, the stirring and scraping assembly and the spiral blades break up the metal powder and scrape the metal powder off the inner wall, and at the same time the reciprocating control assembly is started to drive the knocking rod and the rubber knocking head to swing back and forth, the rubber knocking head knocks the silo to prevent the metal powder from adhering to the inner wall of the silo, and then, according to the needs of use, the unloading valve is opened to discharge the metal powder, and the dispersing and discharging assembly disperses the metal powder into the bonding machine.

[0006] Preferably, the dispersed discharge assembly includes an inner discharge pipe and a first motor; a bearing and an outer discharge pipe are installed in sequence on the outside of the inner discharge pipe; the upper end of the inner discharge pipe is connected to the lower end outlet of the discharge valve; the outer discharge pipe adopts an L-shaped structure, and under the action of the bearing, it is ensured that the outer discharge pipe will not hinder the inner discharge pipe when it rotates.

[0007] Preferably, a driving gear is installed on the outside of the output shaft of the first motor; a driven gear meshing with the driving gear is installed on the outside of the external material pipe; the first motor is fixedly connected to the lower end of the discharge valve, and when the first motor is started, the driving gear and the driven gear mesh, thereby driving the external material pipe to rotate, so that the discharge port is more dispersed.

[0008] Preferably, the reciprocating control assembly includes a U-shaped frame; a transmission shaft is rotatably connected inside the U-shaped frame; a second motor is fixedly connected to the inner side of the rear end of the U-shaped frame; a fan-shaped gear is fixedly connected to the outer side of the output shaft of the second motor; a rotating gear meshing with the fan-shaped gear is installed on the outer side of the transmission shaft, and intermittent reciprocating rotation control of the knocking rod is achieved through the coordinated use of the rotating gear and the fan-shaped gear.

[0009] Preferably, the stirring and scraping assembly includes a connecting rod; flexible scrapers are fixedly connected to both ends of the connecting rod; rectangular equidistantly distributed stirring rods are fixedly connected to the inner side of the connecting rod, and the stored metal powder is dispersed through the stirring rod, thereby avoiding the agglomeration of the metal powder.

[0010] Preferably, the flexible scraper is in contact with the inner wall of the silo, and the height of the flexible scraper is greater than half the height of the silo, so as to ensure that the flexible scraper has a sufficient working range to ensure the cleaning effect on the inner wall of the silo.

[0011] Beneficial effects of the utility model:

[0012] 1. It has the functions of lifting, stirring and leveling, so that the metal powder in the adding device is fully dispersed to avoid agglomeration, and the metal powder will not adhere to the inner wall. With the knocking function, the metal powder is further shaken off to ensure that the metal powder can be completely discharged, thereby reducing the waste of metal powder. When the metal powder is added to the bonding machine, the discharging position adopts a rotary design, so that the discharging position is more dispersed to avoid accumulation;

[0013] 2. Through the coordinated use of the sector gear and the rotating gear, the intermittent swing of the knocking rod is realized, so that the silo can be knocked, and the metal powder on the inner wall of the silo that cannot be scraped off by the flexible scraper can be shaken off, thereby further ensuring that there is no residual metal powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The first three-dimensional structure schematic diagram of the metal powder adding device of the powder coating bonding machine of the utility model is shown;

[0015] Figure 2 The figure shows a schematic diagram of the cross-sectional three-dimensional structure of the metal powder adding device of the powder coating bonding machine of the utility model;

[0016] Figure 3 The three-dimensional structure diagram of the dispersing and discharging component in the metal powder adding device of the powder coating bonding machine of the utility model is shown;

[0017] Figure 4 The figure shows a three-dimensional structure diagram of a reciprocating control component in a metal powder adding device of a powder coating bonding machine of the utility model;

[0018] Figure 5 Shown is a schematic diagram of the three-dimensional structure of the stirring and scraping component in the metal powder adding device of the powder coating bonding machine of the utility model.

[0019] Explanation of the accompanying drawings: 1. silo; 2. silo cover; 3. rotating shaft; 4. unloading valve; 5. dispersed discharge assembly; 51. internal discharge pipe; 52. first motor; 53. bearing; 54. external discharge pipe; 55. driving gear; 56. driven gear; 6. reciprocating control assembly; 61. U-shaped frame; 62. transmission shaft; 63. second motor; 64. fan gear; 65. rotating gear; 7. stirring and scraping assembly; 71. connecting rod; 72. flexible scraper; 73. stirring rod; 8. spiral blade; 9. feeding port; 10. third motor; 11. knocking rod; 12. rubber knocking head. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1-2 The utility model provides an embodiment: a metal powder adding device of a powder coating bonding machine, comprising a silo 1; also comprising a silo cover 2, a rotating shaft 3, a discharge valve 4, a dispersing and discharging component 5, a reciprocating control component 6, a stirring and scraping component 7, a spiral blade 8, a feeding port 9, a third motor 10, a knocking rod 11 and a rubber knocking head 12; a detachable silo cover 2 is installed at the upper end of the silo 1; the rotating shaft 3 is rotatably connected in the silo cover 2; the discharge valve 4 and the dispersing and discharging component 5 are installed in sequence at the lower end of the silo 1; the reciprocating control component 6 is installed at the right end of the silo 1; the stirring and scraping component 7 and the spiral blade 8 are installed on the outer side of the rotating shaft 3; a feeding port 9 is arranged at the upper end of the silo cover 2; the upper end of the silo cover 2 is fixedly connected to the third motor 10 for driving the rotating shaft 3; the lower end of the reciprocating control component 6 is fixedly connected to the knocking rod 11 and the rubber knocking head 12.

[0022] See also Figure 3In this embodiment, the dispersed discharge assembly 5 includes an inner discharge pipe 51 and a first motor 52; a bearing 53 and an outer discharge pipe 54 are installed in sequence on the outer side of the inner discharge pipe 51; the upper end of the inner discharge pipe 51 is connected to the outlet at the lower end of the discharge valve 4; the outer discharge pipe 54 adopts an L-shaped structure; a driving gear 55 is installed on the outer side of the output shaft of the first motor 52; a driven gear 56 meshing with the driving gear 55 is installed on the outer side of the outer discharge pipe 54; the first motor 52 is fixedly connected to the lower end of the discharge valve 4.

[0023] See also Figure 4-5 In this embodiment, the reciprocating control component 6 includes a U-shaped frame 61; a transmission shaft 62 is rotatably connected inside the U-shaped frame 61; a second motor 63 is fixedly connected to the inner side of the rear end of the U-shaped frame 61; a sector gear 64 is fixedly connected to the outer side of the output shaft of the second motor 63; a rotating gear 65 meshing with the sector gear 64 is installed on the outer side of the transmission shaft 62; the stirring and scraping component 7 includes a connecting rod 71; flexible scrapers 72 are fixedly connected to the left and right ends of the connecting rod 71; rectangular equidistantly distributed stirring rods 73 are fixedly connected to the inner side of the connecting rod 71; the flexible scraper 72 is in contact with the inner wall of the silo 1, and the height of the flexible scraper 72 is greater than half the height of the silo 1.

[0024] During operation, metal powder is added into the silo 1 through the feeding port 9 at the upper end of the silo cover 2, the third motor 10 is started, the rotating shaft 3 is driven to rotate synchronously, the connecting rod 71, the flexible scraper 72, the stirring rod 73 and the spiral blade 8 are rotated synchronously, the spiral blade 8 lifts the metal powder below upward, the stirring rod 73 breaks up the metal powder, and the metal powder on the inner wall is scraped off by the flexible scraper 72, and at the same time, the second motor 63 inside the U-shaped frame 61 is started, driving the sector gear 64 to rotate, the sector gear 64 is meshed with the rotating gear 65, and then drives the transmission shaft 6 2 rotates, the knocking rod 11 and the rubber knocking head 12 rotate synchronously, the rubber knocking head 12 knocks the silo 1 to prevent the metal powder from adhering to the inner wall of the silo 1, and then the fan gear 64 is separated from the rotating gear 65. Under the action of gravity, the knocking rod 11 and the rubber knocking head 12 rotate in the opposite direction and return to the initial position, and then the fan gear 64 is meshed with the rotating gear 65 again, thereby realizing the intermittent knocking operation on the silo 1, and then according to the needs of use, the discharge valve 4 is opened to discharge the metal powder, and the dispersing discharge component 5 disperses the metal powder and sends it into the bonding machine.

[0025] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A metal powder adding device for a powder coating bonding machine, comprising a hopper (1); characterized in that: The invention also comprises a bin cover (2), a rotating shaft (3), a discharge valve (4), a dispersing and discharging assembly (5), a reciprocating control assembly (6), a stirring and scraping assembly (7), a spiral blade (8), a feeding port (9), a third motor (10), a knocking rod (11) and a rubber knocking head (12); a detachable bin cover (2) is installed on the upper end of the bin (1); a rotating shaft (3) is rotatably connected inside the bin cover (2); a discharge valve (4) and a dispersing and discharging assembly (5) are installed in sequence on the lower end of the bin (1); a reciprocating control assembly (6) is installed on the right end of the bin (1); a stirring and scraping assembly (7) and a spiral blade (8) are installed outside the rotating shaft (3); a feeding port (9) is provided on the upper end of the bin cover (2); a third motor (10) for driving the rotating shaft (3) is fixedly connected to the upper end of the bin cover (2); and a knocking rod (11) and a rubber knocking head (12) are fixedly connected to the lower end of the reciprocating control assembly (6).

2. The metal powder adding device for a powder coating bonding machine according to claim 1, characterized in that: The dispersed discharge assembly (5) comprises an inner discharge pipe (51) and a first motor (52); a bearing (53) and an outer discharge pipe (54) are sequentially mounted on the outer side of the inner discharge pipe (51); the upper end of the inner discharge pipe (51) is connected to the lower end outlet of the discharge valve (4); and the outer discharge pipe (54) adopts an L-shaped structure.

3. The metal powder adding device for a powder coating bonding machine according to claim 2, characterized in that: A driving gear (55) is installed on the outside of the output shaft of the first motor (52); a driven gear (56) meshing with the driving gear (55) is installed on the outside of the outgoing material pipe (54); and the first motor (52) is fixedly connected to the lower end of the discharge valve (4).

4. The metal powder adding device for a powder coating bonding machine according to claim 1, characterized in that: The reciprocating control assembly (6) comprises a U-shaped frame (61); a transmission shaft (62) is rotatably connected inside the U-shaped frame (61); a second motor (63) is fixedly connected to the inner side of the rear end of the U-shaped frame (61); a sector gear (64) is fixedly connected to the outer side of the output shaft of the second motor (63); and a rotating gear (65) is installed on the outer side of the transmission shaft (62) and is meshed with the sector gear (64).

5. The metal powder adding device for a powder coating bonding machine according to claim 1, characterized in that: The stirring and scraping assembly (7) comprises a connecting rod (71); flexible scrapers (72) are fixedly connected to both left and right ends of the connecting rod (71); and stirring rods (73) distributed in rectangular equidistant patterns are fixedly connected to the inner side of the connecting rod (71).

6. The metal powder adding device for a powder coating bonding machine according to claim 5, characterized in that: The flexible scraper (72) is in contact with the inner wall of the silo (1), and the height of the flexible scraper (72) is greater than half the height of the silo (1).

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