Plasma thermal spraying gun with powder feeding mechanism

Abstract

The utility model discloses a plasma thermal spraying gun with a powder feeding mechanism, which comprises a spraying gun body, a base is arranged at the bottom of the spraying gun body, rollers are arranged at the bottom of the base, the powder feeding mechanism is arranged in the base, the powder feeding mechanism comprises a motor, and the output end of the motor is fixedly connected with a worm. The motor is started, the motor rotates to drive the worm to rotate, the worm rotates to drive the worm wheel to rotate, the worm wheel rotates to drive the screw rod to rotate, the screw rod rotates to drive the screw sleeve to move towards the top, and therefore the connecting block is driven to move towards the top, the push plate moves towards the top, and the contraction storage bag is extruded; the air pump pressurizes the interior of the contraction storage bag through the corrugated pipe, materials in the contraction storage bag are made to move towards the top, spraying is carried out through the spraying gun body, an existing powder feeding mode is replaced, and therefore the effect of facilitating powder feeding is achieved, and use by a user is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of plasma spray guns, in particular to a plasma thermal spray gun with a powder feeding mechanism. Background Art

[0002] Plasma spray gun is a kind of efficient and precise spraying equipment, which is widely used in the surface treatment of metal, ceramic and other materials. Its core lies in using the high temperature and high speed characteristics of plasma to spray powder material onto the surface of workpiece to form a uniform and dense coating. Plasma spray gun is usually composed of nozzle, electrode, powder feeding mechanism and other components. The nozzle is responsible for generating plasma jet, the electrode is used to excite and maintain plasma, and the powder feeding mechanism is responsible for evenly feeding powder material into the spray gun to ensure the continuity and stability of the spraying process. Plasma spray gun has the advantages of fast spraying speed, high coating quality and wide application range. It can spray various metals, ceramics, composite materials, etc., and the coating is uniform and dense, with excellent wear resistance and corrosion resistance. At the same time, the temperature during spraying is controllable, the thermal effect on the substrate is small, and it is not easy to deform or crack. In short, plasma spray gun is an efficient and reliable spraying equipment, which is of great significance for improving the surface performance of materials and extending their service life.

[0003] Plasma spray guns are used for surface treatment of metal ceramics. Existing plasma spray guns usually use air and gravity to deliver powder, which is inefficient and uneven in powder delivery, resulting in poor powder spraying effect and is not conducive to user use.

[0004] Therefore, the powder spray gun needs to be redesigned to effectively prevent the existing plasma spray guns from usually using air and gravity to feed powder, which is inefficient and uneven in powder feeding, resulting in poor powder spraying effect and is not conducive to user use. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a plasma thermal spray gun with a powder feeding mechanism, which has the advantage of efficient powder spraying and solves the problem that the existing plasma spray guns usually use air and gravity to feed powder, which is inefficient and the powder feeding is uneven, resulting in poor powder spraying effect and is not conducive to user use.

[0006] To achieve the above objectives, the utility model provides the following technical solutions: a plasma thermal spray gun with a powder feeding mechanism, comprising a spray gun body, a base is provided at the bottom of the spray gun body, a roller is provided at the bottom of the base, and a powder feeding mechanism is provided inside the base.

[0007] As a preferred embodiment of the utility model, the powder feeding mechanism includes a motor, the output end of the motor is fixedly connected to a worm, the surface of the worm is meshed with a worm wheel, the inside of the worm wheel is fixedly connected to a screw, the surface of the screw is movably connected to a threaded sleeve, the top of the threaded sleeve is fixedly connected to a connecting block, the top of the connecting block is fixedly connected to a push plate, the outer side of the push plate is slidably connected to a placement frame, the top of the push plate is fixedly connected to a shrinkage storage bag, the top of the shrinkage storage bag is connected to a spray gun body, an air pump is provided inside the base, the output end of the air pump is connected to a bellows, the top of the bellows passes through the connecting block and the top of the push plate and is connected to the shrinkage storage bag.

[0008] As a preferred embodiment of the utility model, a limiting block is fixedly connected to the outer side of the push plate, a limiting groove is provided on the surface of the inner wall of the placement frame, and the limiting block is used in conjunction with the limiting groove.

[0009] As a preferred embodiment of the present invention, the bottom of the screw is movably connected to the bottom of the inner wall of the base through a bearing seat, and the screw is used in conjunction with a threaded sleeve.

[0010] As a preferred embodiment of the present invention, a maintenance plate is movably connected to the left side of the base via an axle pin, and the maintenance plate is used in conjunction with internal components of the base.

[0011] As a preferred embodiment of the present invention, the spray gun body has a multi-directional adjustment structure, and the top of the bellows is a one-way flow structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model starts the motor, and the rotation of the motor drives the worm to rotate, the rotation of the worm drives the worm wheel to rotate, the rotation of the worm wheel drives the screw to rotate, and the rotation of the screw drives the screw sleeve to move to the top, thereby driving the connecting block to move to the top, and the push plate to move to the top to squeeze the shrink storage bag, and at the same time starts the air pump, and the air pump pressurizes the gas into the inside of the shrink storage bag through the bellows, so that the material inside the shrink storage bag moves to the top, and is sprayed through the spray gun body, replacing the existing powder feeding method, thereby achieving the effect of facilitating powder feeding and being convenient for users to use.

[0014] 2. The utility model facilitates powder feeding to the thermal spray gun by setting up the powder feeding mechanism, thereby improving the use efficiency of the thermal spray gun and facilitating use by the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the spray gun body of the utility model structure;

[0016] Figure 2 It is a three-dimensional schematic diagram of the push plate of the utility model structure;

[0017] Figure 3 It is a three-dimensional schematic diagram of the structural motor of the utility model.

[0018] In the figure: 1. spray gun body; 2. base; 3. roller; 4. powder feeding mechanism; 401. motor; 402. worm; 403. worm wheel; 404. screw; 405. screw sleeve; 406. connecting block; 407. push plate; 408. placement frame; 409. shrink storage bag; 410. air pump; 411. bellows; 5. limit block; 6. limit groove; 7. inspection plate. DETAILED DESCRIPTION

[0019] 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.

[0020] like Figures 1 to 3 As shown, the utility model provides a plasma thermal spray gun with a powder feeding mechanism, including a spray gun body 1, a base 2 is arranged at the bottom of the spray gun body 1, a roller 3 is arranged at the bottom of the base 2, and a powder feeding mechanism 4 is arranged inside the base 2.

[0021] refer to Figure 3 The powder feeding mechanism 4 includes a motor 401, the output end of the motor 401 is fixedly connected to a worm 402, the surface of the worm 402 is meshed with a worm wheel 403, the inside of the worm wheel 403 is fixedly connected to a screw 404, the surface of the screw 404 is movably connected to a threaded sleeve 405, the top of the threaded sleeve 405 is fixedly connected to a connecting block 406, the top of the connecting block 406 is fixedly connected to a push plate 407, the outer side of the push plate 407 is slidably connected to a placement frame 408, the top of the push plate 407 is fixedly connected to a shrink storage bag 409, the top of the shrink storage bag 409 is connected to the spray gun body 1, an air pump 410 is arranged inside the base 2, the output end of the air pump 410 is connected to a bellows 411, the top of the bellows 411 passes through the connecting block 406 and the top of the push plate 407 and is connected to the shrink storage bag 409.

[0022] As a technical optimization solution of the utility model, the powder feeding mechanism 4 is provided to facilitate powder feeding to the thermal spray gun, thereby improving the use efficiency of the thermal spray gun and facilitating use by the user.

[0023] refer to Figure 2 The outer side of the push plate 407 is fixedly connected to the limiting block 5, and the surface of the inner wall of the placement frame 408 is provided with a limiting groove 6, and the limiting block 5 and the limiting groove 6 are used in conjunction with each other.

[0024] As a technical optimization solution of the present invention, by setting the limiting block 5 and the limiting groove 6, it is convenient to limit the push plate 407, prevent the push plate 407 from being offset, and facilitate use by users.

[0025] refer to Figure 3 The bottom of the screw rod 404 is movably connected to the bottom of the inner wall of the base 2 through the bearing seat, and the screw rod 404 is used in conjunction with the screw sleeve 405.

[0026] As a technical optimization solution of the present invention, the screw rod 404 is movably connected to the bottom of the inner wall of the base 2, so that the screw rod 404 can be easily fixed, the rotation stability of the screw rod 404 is improved, and it is convenient for users to use.

[0027] refer to Figure 1 The left side of the base 2 is movably connected with an inspection plate 7 through an axle pin, and the inspection plate 7 is used in conjunction with the internal parts of the base 2.

[0028] As a technical optimization solution of the present invention, the provision of the inspection plate 7 facilitates the inspection of the components inside the base 2, thereby improving the stability and safety of the components inside the base 2 and facilitating use by users.

[0029] refer to Figure 3 The spray gun body 1 has a multi-directional adjustment structure, and the top of the bellows 411 is a one-way flow.

[0030] As a technical optimization solution of the present invention, by providing the spray gun body 1 with multi-directional adjustment, the use efficiency of the spray gun body 1 is improved, and it is convenient for users to use.

[0031] The working principle and use process of the utility model are as follows: when in use, the user starts the motor 401, and the rotation of the motor 401 drives the worm 402 to rotate, and the rotation of the worm 402 drives the worm wheel 403 to rotate, and the rotation of the worm wheel 403 drives the screw 404 to rotate, and the rotation of the screw 404 drives the screw sleeve 405 to move toward the top, thereby driving the connecting block 406 to move toward the top, and the push plate 407 moves toward the top to squeeze the shrink storage bag 409, and at the same time starts the air pump 410, and the air pump 410 pressurizes the gas into the shrink storage bag 409 through the bellows 411, so that the material inside the shrink storage bag 409 moves to the top, and is sprayed through the spray gun body 1, thereby achieving the effect of facilitating powder delivery and facilitating use by users.

[0032] In summary, the plasma thermal spray gun with a powder feeding mechanism solves the problem that the existing plasma spray gun usually uses air and gravity to feed powder, which is inefficient and uneven in powder feeding, resulting in poor powder spraying effect and inconvenient for users to use, by arranging a spray gun body 1, a base 2, a roller 3, a powder feeding mechanism 4, a motor 401, a worm 402, a worm wheel 403, a screw 404, a screw sleeve 405, a connecting block 406, a push plate 407, a placement frame 408, a shrink storage bag 409, an air pump 410 and a bellows 411.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plasma thermal spray gun with a powder feeding mechanism, comprising a spray gun body (1), characterized in that: The spray gun body (1) is provided with a base (2) at the bottom, a roller (3) is provided at the bottom of the base (2), a powder feeding mechanism (4) is provided inside the base (2), the powder feeding mechanism (4) comprises a motor (401), a worm (402) is fixedly connected to the output end of the motor (401), a worm wheel (403) is meshed on the surface of the worm (402), a screw (404) is fixedly connected inside the worm wheel (403), a screw sleeve (405) is movably connected to the surface of the screw (404), and a connecting block (406) is fixedly connected to the top of the screw sleeve (405). ), the top of the connecting block (406) is fixedly connected to a push plate (407), the outer side of the push plate (407) is slidably connected to a placement frame (408), the top of the push plate (407) is fixedly connected to a shrink storage bag (409), the top of the shrink storage bag (409) is connected to the spray gun body (1), an air pump (410) is arranged inside the base (2), the output end of the air pump (410) is connected to a bellows (411), the top of the bellows (411) passes through the connecting block (406) and the top of the push plate (407) and is connected to the shrink storage bag (409).

2. A plasma thermal spray gun with a powder feeding mechanism according to claim 1, characterized in that: The outer side of the push plate (407) is fixedly connected to a limiting block (5), and the surface of the inner wall of the placement frame (408) is provided with a limiting groove (6), and the limiting block (5) is used in conjunction with the limiting groove (6).

3. The plasma thermal spray gun with a powder feeding mechanism according to claim 1, characterized in that: The bottom of the screw rod (404) is movably connected to the bottom of the inner wall of the base (2) via a bearing seat, and the screw rod (404) is used in conjunction with the screw sleeve (405).

4. The plasma thermal spray gun with a powder feeding mechanism according to claim 1, characterized in that: The left side of the base (2) is movably connected to an inspection plate (7) via an axle pin, and the inspection plate (7) is used in conjunction with internal components of the base (2).

5. The plasma thermal spray gun with a powder feeding mechanism according to claim 1, characterized in that: The spray gun body (1) has a multi-directional adjustment structure, and the top of the bellows (411) is unidirectional.

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