Powder feeder for thermal spraying equipment

Abstract

The utility model discloses a powder feeder for thermal spraying equipment, which comprises the thermal spraying equipment and the powder feeder, a funnel is mounted at the bottom of the powder feeder, a fixing hole is formed in the inner wall of one side of the funnel, a baffle is mounted in the fixing hole in a sliding manner, one end of the baffle extends into the funnel, and the other end of the baffle extends out of the funnel. A first rotating shaft is rotatably mounted at the end, extending out of the funnel, of the baffle, one end of a connecting rod is rotatably mounted on the first rotating shaft, a second rotating shaft is rotatably mounted at the other end of the connecting rod, a transverse rod is fixedly mounted on one side of the funnel, a sliding hole is formed in the top of the transverse rod, and a sliding rod is slidably mounted in the sliding hole; the two ends of the sliding rod extend out of the sliding holes. The baffle moving horizontally is arranged on one side of the funnel, when the rotary disc rotates, the rotary disc drives the ejector rod to rotate, the ejector rod drives the long rod and the sliding rod to move upwards, the baffle is opened and closed, and therefore powder is conveyed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a powder feeder technical field, concretely is a powder feeder for thermal spraying equipment. BACKGROUND

[0002] The powder feeder is a single-cylinder gas-borne powder feeder for conveying powder by carrier gas. The powder feeder is mainly applicable to thermal spraying, laser cladding, 3D printing and other applications, and is used for conveying powder materials. The common powder feeder can convey powder with a particle size diameter of about 20-250 μm, and the powder conveying error is less than 2%, and the repeated powder conveying error is less than 1%. Only inert gases such as argon, nitrogen and helium can be used as powder-carrying gas, and oxygen, hydrogen and other combustible gases cannot be used.

[0003] However, the existing powder feeder still has some problems when in use:

[0004] The existing powder feeder does not have any adjusting structure when conveying powder, which may cause blockage when conveying powder.

[0005] In view of the above problems, the original powder feeder is innovatively designed. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a powder feeder for thermal spraying equipment to solve the adjusting problem in the background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a powder feeder for thermal spraying equipment, comprising a thermal spraying equipment and a powder feeder, the bottom of the powder feeder is provided with a hopper, a fixed hole is formed in the inner wall of one side of the hopper, a baffle is slidably installed in the fixed hole, one end of the baffle extends into the hopper, the other end of the baffle extends out of the hopper, a first rotating shaft is rotatably installed at one end of the baffle extending out of the hopper, one end of a connecting rod is rotatably installed on the first rotating shaft, and the other end of the connecting rod is rotatably installed with a second rotating shaft;

[0008] One side of the hopper is fixedly provided with a cross bar, a sliding hole is formed in the top of the cross bar, a sliding rod is slidably installed in the sliding hole, and the two ends of the sliding rod extend out of the sliding hole, and the bottom of the sliding rod is rotatably connected with the second rotating shaft;

[0009] One end of a supporting rod is fixedly installed on the top of the thermal spraying equipment, the other end of the supporting rod is fixedly installed with a motor, an output shaft is fixedly installed on the output end of the motor, and a rotating disc is fixedly installed on one end of the output shaft;

[0010] The top and bottom of one side of the rotating disc are fixedly installed with a top rod;

[0011] One side of the sliding rod is fixedly installed with a long rod.

[0012] Preferably, the funnel is located between the powder feeder and the thermal spraying equipment.

[0013] With the above technical scheme, the funnel is used to connect the powder feeder and the thermal spraying equipment.

[0014] Preferably, the baffle is matched with the funnel.

[0015] With the above technical scheme, the baffle is used to adjust the powder delivery of the powder feeder.

[0016] Preferably, the sliding rod is located at one side of the funnel close to the motor.

[0017] With the above technical scheme, the sliding rod is used to drive the connecting rod to rotate.

[0018] Preferably, the jacking rod is located at one side of the rotating disc close to the sliding rod.

[0019] With the above technical scheme, the jacking rod is used to drive the long rod to move upward.

[0020] Preferably, the bottom of the long rod is in contact with the top of the jacking rod.

[0021] With the above technical scheme, the long rod is used to drive the sliding rod to move upward.

[0022] Compared with the prior art, the present utility model has the beneficial effects that:

[0023] A horizontally moving baffle is arranged at one side of the funnel, and when the rotating disc rotates, the rotating disc drives the jacking rod to rotate, the jacking rod drives the long rod and the sliding rod to move upward, so that the baffle is opened and closed, thereby delivering the powder. BRIEF DESCRIPTION OF DRAWINGS

[0024] Fig. 1 It is a front view of the structure of the present utility model;

[0025] Fig. 2 It is a side view of the rotating disc of the structure of the present utility model;

[0026] Fig. 3 It is a front view of the baffle of the structure of the present utility model.

[0027] In the drawings: 1, thermal spraying equipment; 2, powder feeder; 3, funnel; 4, fixing hole; 5, baffle; 6, connecting rod; 7, cross rod; 8, sliding hole; 9, sliding rod; 10, long rod; 11, support rod; 12, motor; 13, output shaft; 14, rotating disc; 15, jacking rod. DETAILED DESCRIPTION

[0028] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0029] Please refer to Figs. 1-3 The utility model provides a kind of technical scheme: a kind of powder feeder for thermal spraying equipment, including thermal spraying equipment 1 and powder feeder 2, the bottom of powder feeder 2 is equipped with hopper 3, fixed hole 4 is opened on the inner wall of one side of hopper 3, baffle 5 is slidably installed in fixed hole 4, one end of baffle 5 extends into hopper 3, the other end of baffle 5 extends to the outside of hopper 3, first rotating shaft is rotatably installed at the end of baffle 5 extending to the outside of hopper 3, one end of connecting rod 6 is rotatably installed on first rotating shaft, second rotating shaft is rotatably installed at the other end of connecting rod 6.

[0030] As shown in combination Figs. 1-2 Hopper 3 is fixedly installed with cross bar 7 on one side, sliding hole 8 is opened at the top of cross bar 7, sliding rod 9 is slidably installed in sliding hole 8, the two ends of sliding rod 9 both extend to the outside of sliding hole 8, the bottom of sliding rod 9 is rotatably connected with second rotating shaft, the top of thermal spraying equipment 1 is fixedly installed with one end of support rod 11, the other end of support rod 11 is fixedly installed with motor 12, output shaft 13 is fixedly installed at the output end of motor 12, rotating disc 14 is fixedly installed at one end of output shaft 13.

[0031] As shown in combination Figs. 1-3 Rotating disc 14 is fixedly installed with top rod 15 on one side top and bottom, long rod 10 is fixedly installed on one side of sliding rod 9.

[0032] As shown in combination Figs. 1-3 Hopper 3 is located at the intermediate position between powder feeder 2 and thermal spraying equipment 1, baffle 5 is adapted to hopper 3, sliding rod 9 is located at the side of hopper 3 close to motor 12, top rod 15 is located at the side of rotating disc 14 close to sliding rod 9, the bottom of long rod 10 is in contact with the top of top rod 15.

[0033] The utility model discloses, when needing to adjust, first start motor 12, motor 12 drives output shaft 13 to rotate, output shaft 13 drives rotating disc 14 to rotate, rotating disc 14 drives top rod 15 to rotate, top rod 15 drives long rod 10 to move upwards, long rod 10 drives sliding rod 9 to move upwards, sliding rod 9 drives second rotating shaft to move upwards, second rotating shaft drives connecting rod 6 to rotate, connecting rod 6 drives first rotating shaft to move horizontally, first rotating shaft drives baffle 5 to move horizontally, baffle 5 slides out of hopper 3, to move the purpose of conveying powder.

[0034] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A powder feeder for thermal spraying equipment, comprising a thermal spraying equipment (1) and a powder feeder (2), characterized in that: a hopper (3) is mounted at the bottom of the powder feeder (2), a fixed hole (4) is formed in the inner wall of one side of the hopper (3), a baffle (5) is slidably mounted in the fixed hole (4), one end of the baffle (5) extends into the hopper (3), the other end of the baffle (5) extends out of the hopper (3), a first rotating shaft is rotatably mounted at the end of the baffle (5) extending out of the hopper (3), one end of a connecting rod (6) is rotatably mounted on the first rotating shaft, and the other end of the connecting rod (6) is rotatably mounted with a second rotating shaft; a cross rod (7) is fixedly mounted on one side of the hopper (3), a sliding hole (8) is formed in the top of the cross rod (7), a sliding rod (9) is slidably mounted in the sliding hole (8), both ends of the sliding rod (9) extend out of the sliding hole (8), and the bottom of the sliding rod (9) is rotatably connected with the second rotating shaft; one end of a supporting rod (11) is fixedly mounted on the top of the thermal spraying equipment (1), a motor (12) is fixedly mounted on the other end of the supporting rod (11), an output shaft (13) is fixedly mounted on the output end of the motor (12), and a rotating disc (14) is fixedly mounted on one end of the output shaft (13); a top rod (15) is fixedly mounted on the top and bottom of one side of the rotating disc (14); a long rod (10) is fixedly mounted on one side of the sliding rod (9).

2. A powder feeder for thermal spraying apparatus according to claim 1, characterized in that: The hopper (3) is located at the intermediate position between the powder feeder (2) and the thermal spraying equipment (1).

3. A powder feeder for thermal spraying apparatus according to claim 1, wherein: The baffle (5) is matched with the hopper (3).

4. A powder feeder for thermal spraying apparatus according to claim 1, wherein: The sliding rod (9) is located on the side of the hopper (3) close to the motor (12).

5. A powder feeder for thermal spraying apparatus according to claim 1, wherein: The top rod (15) is located on the side of the rotating disc (14) close to the sliding rod (9).

6. A powder feeder for thermal spraying apparatus according to claim 1, wherein: The bottom of the long rod (10) is in contact with the top of the top rod (15).

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