High-precision double-belt powder feeder

Abstract

A high-precision double-belt powder feeder comprises a powder feeder base, a powder feeding motor is arranged on the powder feeder base, and the powder feeding motor is in transmission connection with a powder feeding belt. A powder barrel support is arranged at the top of the powder adding device base and is in threaded connection with a connecting pipe, a powder barrel is arranged above the connecting pipe, and a gap is reserved between the lower portion of the connecting pipe and the surface of the powder conveying belt. A posture-adjustable powder homogenizing plate is arranged at the end of the powder conveying belt, a powder baffle is arranged on the lower portion of the tail end of the powder conveying belt, an opening is formed in the bottom of the powder baffle, and a steel belt groove is formed below the opening. Compared with the prior art, the powder feeding device has the advantages that the powder feeding amount can be accurately controlled through the arrangement of the connecting pipe and the powder homogenizing plate, and the requirement of the flux-cored wire for the filling rate is met.

Description

Technical Field

[0001] The utility model relates to a high-precision double-belt powder feeder applied to a flux-cored welding wire forming machine. Background Art

[0002] Flux-cored welding wire forming machine is an important equipment in flux-cored welding wire production equipment. Its function is to roll the steel strip into a U-shaped groove, add powder mixed with different formulas into the U-shaped groove, and then roll it into an O-shaped base material with powder, and then process it into a finished welding wire through subsequent equipment. The powder feeder on this equipment is a key component that determines the powder filling rate of flux-cored welding wire. Large fluctuations in the filling rate will lead to uneven composition of the deposited metal during welding, seriously affecting the welding quality. Utility Model Content

[0003] The technical problem to be solved by the utility model is: how to broaden the application scope of the belt powder feeding mechanism, accurately control the powder feeding amount, meet the requirements of the flux-cored welding wire on the filling rate, and provide a high-precision double-belt powder feeder.

[0004] In order to achieve the above object, the utility model is realized by the following technical solutions:

[0005] A high-precision double-belt powder feeder comprises a powder feeder base, a powder feeder motor is arranged on the powder feeder base, and the powder feeder motor is connected to the powder feeder belt by transmission; a powder barrel bracket is arranged on the top of the powder feeder base, the powder barrel bracket is threadedly connected to a connecting pipe, a powder barrel is arranged above the connecting pipe, and a gap is reserved between the bottom of the connecting pipe and the surface of the powder feeder belt;

[0006] A powder distribution plate with adjustable posture is arranged at the end of the powder feeding belt, and a powder blocking plate is arranged at the lower part of the end of the powder feeding belt. The bottom of the powder blocking plate is open, and a steel belt groove is arranged below the opening.

[0007] A belt supporting plate is arranged below the powder feeding belt.

[0008] A connecting seat is arranged at the end of the powder feeder base, and the connecting seat is fixed to the powder feeder base. An adjusting screw is installed on the connecting seat through a threaded hole. A powder distributing plate is arranged below the adjusting screw. One end of the powder distributing plate below the adjusting screw is connected to the connecting seat through a hinge, and the other end of the powder distributing plate is connected to the connecting seat through a tension spring.

[0009] The powder baffle is installed on a bracket, and a vibrator is fixed on the bracket.

[0010] A ruler is set at the outer wall connection of the connecting pipe.

[0011] A locking nut is connected to the connecting pipe, and a handle is installed on the outer circle of the locking nut.

[0012] Compared with the prior art, the utility model has the following beneficial effects: through the arrangement of the connecting tube and the powder balancing plate, the powder feeding amount can be accurately controlled to meet the filling rate requirements of the flux-cored welding wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the front view of the high-precision double-belt powder feeder;

[0014] Figure 2 This is the left side view of the high-precision double-belt powder feeder. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0017] like Figure 1 , Figure 2 As shown, a high-precision double-belt powder feeder includes a powder feeder base 1, which is arranged on a molding machine frame, and a powder feeder motor 2 is arranged on the powder feeder base 1, and the powder feeder motor 2 is connected to the powder feeder belt 4 by transmission, specifically: a driving belt 3 is connected to the output shaft of the powder feeder motor 2, and the driving belt 3 is connected to the powder feeder belt 4 by transmission, so as to drive the powder feeder belt 4 to rotate. A belt support plate 5 is arranged below the powder feeder belt 4, and the belt support plate 5 supports the powder feeder belt 4.

[0018] A powder barrel bracket 6 is arranged on the top of the powder feeder base 1, and an internal threaded hole is arranged in the middle of the powder barrel bracket 6. The powder barrel bracket 6 is threadedly connected to the connecting pipe 9. The outer wall of the connecting pipe 9 has an external thread, which is connected to the powder barrel bracket 6 through the thread. A powder barrel 10 is arranged above the connecting pipe 9. The top of the connecting pipe 9 is connected to the bottom of the powder barrel 10, and a certain gap is reserved between the bottom of the connecting pipe 9 and the surface of the powder feeding belt 4, and the gap is adjustable.

[0019] Furthermore, a powder balancing plate 15 with adjustable posture is provided at the end of the powder feeding belt 4, and the gap between the powder balancing plate 15 and the powder feeding belt 4 is adjusted, so as to accurately control the thickness of the powder on the powder feeding belt 4 again. The specific structure is as follows: a connecting seat 11 is provided at the end of the powder feeder base 1, the connecting seat 11 is fixed to the powder feeder base 1, an adjustment screw 14 is installed on the connecting seat 11 through a threaded hole, a powder balancing plate 15 is provided below the adjustment screw 14, one end of the powder balancing plate 15 located below the adjustment screw 14 is connected to the connecting seat 11 through a hinge 13, and can rotate around the hinge 13, and the other end (distal end) of the powder balancing plate 15 is connected to the connecting seat 11 through a tension spring 12, and the tension spring 12 is not fully shown in the figure. A powder blocking plate 17 is provided at the lower end of the powder feeding belt 4, and the bottom of the powder blocking plate 17 is open, and a steel belt groove 20 is provided below the opening.

[0020] Furthermore, the powder blocking plate 17 is mounted on a bracket 18 , and a vibrator 19 is fixed to the bracket 18 .

[0021] Furthermore, a scale is provided at the connection of the outer wall of the connecting pipe 9 .

[0022] Furthermore, a locking nut 7 is connected to the connecting pipe 9 , and a handle 8 is installed on the outer circle of the locking nut 7 .

[0023] The working process of the utility model is:

[0024] The electric control system is used to control the powder adding motor 2, which drives the powder feeding belt 4 to move through the driving belt 3. The powder feeding belt 4 moves forward closely against the belt support plate 5. Because there is a gap between the bottom of the connecting pipe 9 and the surface of the powder feeding belt 4, the powder in the powder barrel 10 fills the connecting pipe 9 under the action of gravity, and the powder feeding belt 4 brings out the powder 16 when passing through the connecting pipe 9. After passing through the powder averaging plate 15, the powder 16 has the same thickness as the powder on the powder feeding belt 4, and then falls forward to the bottom of the powder blocking plate 17, thereby entering the steel belt groove 20.

[0025] The connecting tube 9 is connected to the powder barrel bracket 6 through a thread. By rotating the connecting tube 9 and corresponding to the scale on the powder barrel bracket 6, the gap between the bottom of the connecting tube 9 and the surface of the powder feeding belt 4 is adjusted to adjust the thickness of the brought-out powder.

[0026] The powder balancing plate 15 is moved upward around the hinge 13 under the action of the tension spring 12, and the powder balancing plate 15 is pressed downward by the adjusting screw 14 to adjust the gap between the powder balancing plate 15 and the powder feeding belt 4, thereby accurately controlling the thickness of the powder on the powder feeding belt 4 again.

[0027] The powder 16 splashes after falling and then falls into the steel belt groove 20 again through the powder blocking plate 17. The vibrator 19 vibrates at a high frequency to prevent the powder 16 from falling after being accumulated on the powder blocking plate 17, which affects the uniformity of powder feeding.

[0028] The working principle of the utility model is:

[0029] The electric control system is used to control the powder adding motor 2, a servo motor is used, and the driving belt 3 uses a synchronous belt, so that the speed of the powder feeding belt 4 can be conveniently and accurately controlled by the control system. However, when the speed of the powder feeding belt 4 exceeds a certain value, the powder 16 splashes severely during the falling process. At this time, the thickness of the powder on the belt is adjusted by connecting the pipe 9 and the powder plate 15, and the speed of the powder feeding belt 4 is reduced to meet the filling rate requirements.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that those skilled in the art can make several changes and improvements without departing from the overall concept of the present invention, and these should also be regarded as the protection scope of the present invention.

Claims

1. A high-precision double-belt powder feeder, characterized in that: The invention comprises a powder feeder base (1), a powder feeder motor (2) is arranged on the powder feeder base (1), and the powder feeder motor (2) is connected to a powder feeding belt (4) by driving; a powder bucket bracket (6) is arranged on the top of the powder feeder base (1), the powder bucket bracket (6) is threadedly connected to a connecting pipe (9), a powder bucket (10) is arranged above the connecting pipe (9), and a gap is reserved between the bottom of the connecting pipe (9) and the surface of the powder feeding belt (4); A powder distribution plate (15) with adjustable posture is arranged at the end of the powder feeding belt (4), and a powder blocking plate (17) is arranged at the lower part of the end of the powder feeding belt (4). The bottom of the powder blocking plate (17) is open, and a steel belt groove (20) is arranged below the opening.

2. A high-precision double-belt powder feeder according to claim 1, characterized in that: A belt support plate (5) is provided below the powder feeding belt (4).

3. A high-precision double-belt powder feeder according to claim 1, characterized in that: A connecting seat (11) is provided at the end of the powder feeder base (1), the connecting seat (11) is fixed to the powder feeder base (1), an adjusting screw (14) is installed on the connecting seat (11) through a threaded hole, a powder balancing plate (15) is provided below the adjusting screw (14), one end of the powder balancing plate (15) located below the adjusting screw (14) is connected to the connecting seat (11) through a hinge (13), and the other end of the powder balancing plate (15) is connected to the connecting seat (11) through a tension spring (12).

4. A high-precision double-belt powder feeder according to claim 1, characterized in that: The powder baffle plate (17) is mounted on a bracket (18), and a vibrator (19) is fixed to the bracket (18).

5. The high-precision double-belt powder feeder according to claim 1, characterized in that: A ruler is provided at the connection point of the outer wall of the connecting pipe (9).

6. A high-precision double-belt powder feeder according to claim 1, characterized in that: A locking nut (7) is connected to the connecting pipe (9), and a handle (8) is installed on the outer circle of the locking nut (7).

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