Ball valve laser cladding surface strengthening layer preparation device

Abstract

The utility model relates to the technical field of ball valve processing, in particular to a ball valve laser cladding surface strengthening layer preparation device which comprises a base and a shell, the shell is fixedly connected to the upper surface of the base, a positioning mechanism is arranged in the shell, a frame is fixedly connected to the upper surface of the shell, a protection mechanism is arranged in the frame, and the protection mechanism is arranged on the upper surface of the shell. An inert gas device is fixedly connected to the upper surface of the base, and a first pipeline is fixedly connected to the upper portion of the inert gas device. A ball valve is arranged outside a plurality of clamping blocks in a sleeving mode, an electric push rod is started, the electric push rod drives a trapezoidal block to move, the trapezoidal block drives two wedge-shaped blocks to slide, the wedge-shaped blocks compress springs, the wedge-shaped blocks drive the clamping blocks to move, the clamping blocks make contact with the inner wall of the ball valve to clamp and position the ball valve, a first motor drives a support to rotate, and then the ball valve is driven to rotate. And laser cladding surface strengthening layers are prepared at different positions of the surface of the ball valve, so that uniform laser cladding surface strengthening layer preparation on the surface of the ball valve is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valve processing, in particular to a device for preparing a laser cladding surface strengthening layer of a ball valve. Background Technique

[0002] A ball valve is a valve in which the closing member (ball) is driven by a valve stem and rotates around the axis of the ball valve.

[0003] For example, a device for laser cladding metal surface strengthening and additive manufacturing with the patent number CN209584373U includes a bottom plate of the laser cladding device, an XY workbench, a first vertical beam, a second vertical beam, a laser assembly, a cross beam of a six-axis robotic arm assembly, a laser clamping device, a laser emitting end, an inert gas injection port, an alloy powder outlet, a first fixing bracket, a second fixing bracket, a first support, a second support, a workpiece, a workpiece clamping device, a powder feeding device, a laser controller, and an inert gas device. However, the above document still has deficiencies. When in use, the inert gas device is connected to the inert gas injection port through a rubber hose, and the inert gas injection port is fixed to the support by an internal hexagonal bolt through a bracket, and the support is welded to the first vertical beam. According to the required precision, various types of powder feeding nozzles can be replaced, and the power is adjustable and not easily blocked; according to different product requirements, different software programs are designed, and by adjusting the power, replacing materials and powder feeding nozzles, the organic combination of laser cladding surface strengthening and remanufacturing is realized, improving production efficiency. However, when the above device prepares a laser cladding surface strengthening layer on the surface of a ball valve, it is not convenient to uniformly prepare a laser cladding surface strengthening layer on the surface of the ball valve. At the same time, the device in the above document is set in an open state, and when powder or inert gas is sprayed, the powder or inert gas will scatter everywhere, easily causing waste of resources and increasing the preparation cost. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that it is not convenient to uniformly prepare a laser cladding surface strengthening layer on the surface of a ball valve, and a device for preparing a laser cladding surface strengthening layer of a ball valve is proposed.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] Design a device for preparing a laser cladding surface strengthening layer of a ball valve, including a base and a housing. The housing is fixedly connected to the upper surface of the base. A positioning mechanism is arranged inside the housing. A frame is fixedly connected to the upper surface of the housing. A protection mechanism is arranged inside the frame. An inert gas device is fixedly connected to the upper surface of the base. A first pipeline is fixedly connected above the inert gas device. The outer wall of the first pipeline is fixedly connected to the housing and a first support. The first support is fixedly connected inside the housing.

[0007] Preferably, the positioning mechanism includes a first motor fixedly connected to the outer wall of the housing. The output shaft of the first motor is fixedly connected to a bracket, and the outer wall of the bracket is rotationally connected to the housing through a bearing. An electric push rod is fixedly connected inside the bracket. The output end of the electric push rod is fixedly connected to a trapezoidal block, which is in contact with two wedge-shaped blocks. The outer wall of the wedge-shaped block is slidably connected to the bracket. A clamping block is fixedly connected to the outer wall of the wedge-shaped block, and the wedge-shaped block and the bracket are respectively fixed to both ends of a spring.

[0008] Preferably, the protection mechanism includes a second motor fixedly connected to the surface of the frame. The output shaft of the second motor is fixedly connected to a disc. Two support rods are rotationally connected to the back of the disc through a pin shaft. The end of the support rod is rotationally connected to a vertical rod through a pin shaft. The vertical rod is slidably connected to the outer wall of the first sliding rod, and both ends of the first sliding rod are fixedly connected to the housing. A protective door is fixedly connected to the lower end of the vertical rod.

[0009] Preferably, a powder discharging device is fixedly connected to the upper surface of the base, and a second pipeline is fixedly connected above the powder discharging device.

[0010] Preferably, the outer wall of the second pipeline is fixedly connected to the housing and a second support, and the second support is fixedly connected inside the housing.

[0011] Preferably, a six-axis robotic arm assembly is arranged inside the housing, and a laser assembly is installed below the six-axis robotic arm assembly.

[0012] Preferably, a ball valve is in contact with the outer wall of the clamping block.

[0013] The beneficial effect of a device for preparing a laser cladding surface strengthening layer on a ball valve proposed by the present utility model is as follows: Through the cooperation among the first motor, the bracket, the electric push rod, the trapezoidal block, the wedge-shaped block, the clamping block and the spring, the ball valve is sleeved outside multiple clamping blocks. The electric push rod is started, and the electric push rod drives the trapezoidal block to move. The trapezoidal block drives the two wedge-shaped blocks to slide, compressing the spring. The wedge-shaped block drives the clamping block to move, and the clamping block contacts the inner wall of the ball valve to clamp and position the ball valve. The first motor drives the bracket to rotate, thereby driving the ball valve to rotate, and preparing a laser cladding surface strengthening layer on different positions of the surface of the ball valve, which is convenient for uniformly preparing a laser cladding surface strengthening layer on the surface of the ball valve.

[0014] Through the cooperation between the second motor, the disc, the support rod, the vertical rod, the first sliding rod and the protective door, the second motor drives the disc to rotate, the disc drives the two support rods to move, the support rods drive the vertical rod to move, the vertical rod slides on the outer wall of the first sliding rod, and the first sliding rod plays a role in supporting and guiding the vertical rod. The vertical rod drives the protective door to move, and the two protective doors close, separating the inside of the housing from the outside world. When spraying powder or inert gas, it can prevent the powder or inert gas from spreading everywhere, which is not easy to cause waste of resources and reduces the preparation cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural view of the present utility model;

[0016] Figure 2 is a structural sectional view of the present utility model;

[0017] Figure 3 is a schematic structural view of the connection part of the base, the housing and the ball valve in the present utility model;

[0018] Figure 4 is a schematic structural view of the connection part of the disc, the support rod and the vertical rod in the present utility model;

[0019] Figure 5 is a schematic structural view of the connection part of the first motor, the bracket and the trapezoidal block in the present utility model;

[0020] Figure 6 is a schematic structural view of the connection part of the bracket, the spring and the wedge-shaped block in the present utility model.

[0021] In the figure: 1. Base, 2. Housing, 3. Positioning mechanism, 301. First motor, 302. Bracket, 303. Electric push rod, 304. Trapezoidal block, 305. Wedge-shaped block, 306. Clamping block, 307. Spring, 4. Protection mechanism, 401. Second motor, 402. Disc, 403. Support rod, 404. Vertical rod, 405. First sliding rod, 406. Protective door, 4a1. Slide block, 4a2. Second sliding rod, 5. Frame, 6. Inert gas device, 7. First pipeline, 8. First support, 9. Powder discharging device, 10. Second pipeline, 11. Second support, 12. Six-axis robotic arm assembly, 13. Laser assembly, 14. Ball valve. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The present utility model will be further described below with reference to the accompanying drawings:

[0023] Embodiment 1:

[0024] Refer to the attached Figure 1-6: In this embodiment, a device for preparing a laser cladding surface strengthening layer of a ball valve includes a base 1 and a housing 2. The housing 2 is fixedly connected to the upper surface of the base 1. A positioning mechanism 3 is arranged inside the housing 2. The positioning mechanism 3 clamps and positions the ball valve 14. A frame 5 is fixedly connected to the upper surface of the housing 2. A protection mechanism 4 is arranged inside the frame 5. The protection mechanism 4 prevents powder or inert gas from discharging, playing a protective role. An inert gas device 6 is fixedly connected to the upper surface of the base 1. A first pipeline 7 is fixedly connected above the inert gas device 6. The inert gas device 6 is communicated with the first pipeline 7. The outer wall of the first pipeline 7 is fixedly connected to the housing 2 and a first support 8. The first support 8 is fixedly connected inside the housing 2;

[0025] An out-powder device 9 is fixedly connected to the upper surface of the base 1. A second pipeline 10 is fixedly connected above the out-powder device 9. The out-powder device 9 is communicated with the second pipeline 10. The outer wall of the second pipeline 10 is fixedly connected to the housing 2 and a second support 11. The second support 11 is fixedly connected inside the housing 2. A six-axis robotic arm assembly 12 is arranged inside the housing 2. A laser assembly 13 is installed below the six-axis robotic arm assembly 12. The models and working principles of the inert gas device 6, the first support 8, the out-powder device 9, the second support 11, the six-axis robotic arm assembly 12, and the laser assembly 13 are the same as those in a device for laser cladding metal surface strengthening and additive manufacturing with the patent number CN209584373U.

[0026] The positioning mechanism 3 includes a first motor 301, a bracket 302, an electric push rod 303, a trapezoidal block 304, a wedge-shaped block 305, a clamping block 306, and a spring 307. The first motor 301 is fixedly connected to the outer wall of the housing 2. The output shaft of the first motor 301 is fixedly connected to the bracket 302. The motor 301 drives the bracket 302 to rotate. The outer wall of the bracket 302 is rotationally connected to the housing 2 through a bearing. An electric push rod 303 is fixedly connected inside the bracket 302. The output end of the electric push rod 303 is fixedly connected to the trapezoidal block 304. The electric push rod 303 drives the trapezoidal block 304 to move;

[0027] The trapezoidal block 304 is in contact with two wedge-shaped blocks 305. The trapezoidal block 304 drives the two wedge-shaped blocks 305 to move. The outer wall of the wedge-shaped block 305 is slidably connected to the bracket 302. The wedge-shaped block 305 slides inside the bracket 302. The outer wall of the wedge-shaped block 305 is fixedly connected to the clamping block 306. The wedge-shaped block 305 drives the clamping block 306 to move. The wedge-shaped block 305 and the bracket 302 are respectively fixedly connected to both ends of the spring 307. The model of the spring 307 is selected according to actual usage requirements to meet the working needs. The spring 307 makes the wedge-shaped block 305 always in contact with the trapezoidal block 304 under the elastic action. The outer wall of the clamping block 306 is in contact with the ball valve 14. The clamping block 306 clamps and positions the ball valve 14;

[0028] The ball valve 14 is sleeved outside a plurality of clamping blocks 306. The electric push rod 303 is started, and the electric push rod 303 drives the trapezoidal block 304 to move. The trapezoidal block 304 drives the two wedge-shaped blocks 305 to slide. The wedge-shaped blocks 305 compress the spring 307. The wedge-shaped blocks 305 drive the clamping blocks 306 to move. The clamping blocks 306 contact the inner wall of the ball valve 14 to clamp and position the ball valve 14. The first motor 301 drives the bracket 302 to rotate, and then drives the ball valve 14 to rotate, so as to prepare a laser cladding surface strengthening layer at different positions on the surface of the ball valve 14, which is convenient for uniformly preparing the laser cladding surface strengthening layer on the surface of the ball valve 14.

[0029] The protection mechanism 4 includes a second motor 401, a disc 402, a support rod 403, a vertical rod 404, a first sliding rod 405 and a protection door 406. The second motor 401 is fixedly connected to the surface of the frame 5. The output shaft of the second motor 401 is fixedly connected with the disc 402. The second motor 401 drives the disc 402 to rotate. Two support rods 403 are rotatably connected to the back of the disc 402 through pins. The disc 402 drives the two support rods 403 to move;

[0030] The end of the support rod 403 is rotatably connected with the vertical rod 404 through a pin. The support rod 403 drives the vertical rod 404 to move. The vertical rod 404 is slidably connected to the outer wall of the first sliding rod 405. The vertical rod 404 slides on the outer wall of the first sliding rod 405. Both ends of the first sliding rod 405 are fixedly connected to the housing 2. The lower end of the vertical rod 404 is fixedly connected with the protection door 406. The vertical rod 404 drives the protection door 406 to move;

[0031] The second motor 401 drives the disc 402 to rotate. The disc 402 drives the two support rods 403 to move. The support rods 403 drive the vertical rod 404 to move. The vertical rod 404 slides on the outer wall of the first sliding rod 405. The first sliding rod 405 plays a role in supporting and guiding the vertical rod 404. The vertical rod 404 drives the protection door 406 to move. The two protection doors 406 are closed, separating the inside of the housing 2 from the outside world. When spraying powder or inert gas, it can prevent the powder or inert gas from drifting everywhere, which is not easy to cause waste of resources and reduces the preparation cost.

[0032] Working principle:

[0033] When preparing the laser cladding surface strengthening layer for the ball valve 14:

[0034] Positioning stage of the ball valve:

[0035] The ball valve 14 is sleeved outside a plurality of clamping blocks 306. The electric push rod 303 is started, and the electric push rod 303 drives the trapezoidal block 304 to move. The trapezoidal block 304 drives the two wedge-shaped blocks 305 to slide. The wedge-shaped blocks 305 compress the spring 307. The wedge-shaped blocks 305 drive the clamping blocks 306 to move. The clamping blocks 306 contact the inner wall of the ball valve 14 to clamp and position the ball valve 14;

[0036] Protection stage:

[0037] Start the second motor 401. The second motor 401 drives the disc 402 to rotate. The disc 402 drives the two support rods 403 to move. The support rods 403 drive the vertical rod 404 to move. The vertical rod 404 slides on the outer wall of the first slide rod 405. The first slide rod 405 plays a role in supporting and guiding the vertical rod 404. The vertical rod 404 drives the protective door 406 to move. The two protective doors 406 close, separating the interior of the housing 2 from the outside world. When spraying powder or inert gas, it can prevent the powder or inert gas from drifting around, which is not easy to cause waste of resources and reduces the preparation cost;

[0038] Preparation stage of the surface strengthening layer by ball valve laser cladding:

[0039] The inert gas device 6 sprays inert gas onto the ball valve 14 through the first pipeline 7. The powder discharging device 9 sprays powder onto the ball valve 14 through the second pipeline 10. The laser assembly 13 prepares the surface strengthening layer of the ball valve by ball valve laser cladding on the ball valve 14. Start the first motor 301. The first motor 301 drives the bracket 302 to rotate, and then drives the ball valve 14 to rotate, so as to prepare the surface strengthening layer by laser cladding at different positions on the surface of the ball valve 14, which is convenient for uniformly preparing the surface strengthening layer by laser cladding on the surface of the ball valve 14.

[0040] Embodiment 2:

[0041] Refer to the appendix Figure 1-6 : In this embodiment, a device for preparing the surface strengthening layer of a ball valve by laser cladding. The protection mechanism 4 further includes a slider 4a1 and a second slide rod 4a2. The slider 4a1 is fixedly connected to the lower part of the protective door 406. The protective door 406 drives the slider 4a1 to move. The slider 4a1 is slidably connected to the outer wall of the second slide rod 4a2. The slider 4a1 slides on the outer wall of the second slide rod 4a2. Both ends of the second slide rod 4a2 are fixedly connected to the housing 2;

[0042] Through the cooperation between the slider 4a1 and the second slide rod 4a2, when the protective door 406 moves, it drives the slider 4a1 to move. The slider 4a1 slides on the outer wall of the second slide rod 4a2. The slider 4a1 and the second slide rod 4a2 play a role in guiding the movement of the protective door 406.

[0043] Working principle:

[0044] When the protective door 406 moves, it drives the slider 4a1 to move. The slider 4a1 slides on the outer wall of the second slide rod 4a2. The slider 4a1 and the second slide rod 4a2 play a role in guiding the movement of the protective door 406.

[0045] Although the present utility model has been illustrated and described with reference to the preferred embodiments, those of ordinary skill in the art should understand that various changes in form and detail may be made within the scope of the claims.

Claims

1. A device for preparing a surface strengthening layer of a ball valve by laser cladding, comprising a base (1) and a shell (2), wherein the shell (2) is fixedly connected to the upper surface of the base (1), and characterized in that: A positioning mechanism (3) is provided inside the shell (2); a frame (5) is fixedly connected to the upper surface of the shell (2); a protection mechanism (4) is provided inside the frame (5); an inert gas device (6) is fixedly connected to the upper surface of the base (1); a first pipe (7) is fixedly connected above the inert gas device (6); an outer wall of the first pipe (7) is fixedly connected to the shell (2) and a first support (8); and the first support (8) is fixedly connected to the inside of the shell (2).

2. The device for preparing a surface strengthening layer of a ball valve by laser cladding according to claim 1, characterized in that: The positioning mechanism (3) comprises a first motor (301), the first motor (301) is fixedly connected to the outer wall of the housing (2), the output shaft of the first motor (301) is fixedly connected to a bracket (302), the outer wall of the bracket (302) is rotatably connected to the housing (2) via a bearing, an electric push rod (303) is fixedly connected to the inside of the bracket (302), the output end of the electric push rod (303) is fixedly connected to a trapezoidal block (304), the trapezoidal block (304) is fitted with two wedge blocks (305), the outer wall of the wedge block (305) is slidably connected to the bracket (302), the outer wall of the wedge block (305) is fixedly connected to a clamping block (306), and the wedge block (305) and the bracket (302) are respectively fixedly connected to the two ends of a spring (307).

3. The device for preparing a surface strengthening layer of a ball valve by laser cladding according to claim 1, characterized in that: The protective mechanism (4) comprises a second motor (401), the second motor (401) is fixedly connected to the surface of the frame (5), the output shaft of the second motor (401) is fixedly connected to a disc (402), the back of the disc (402) is rotatably connected to two support rods (403) via a pin shaft, the ends of the support rods (403) are rotatably connected to a vertical rod (404) via a pin shaft, the vertical rod (404) is slidably connected to the outer wall of the first sliding rod (405), both ends of the first sliding rod (405) are fixedly connected to the shell (2), and the lower end of the vertical rod (404) is fixedly connected to a protective door (406).

4. The device for preparing a surface strengthening layer of a ball valve by laser cladding according to claim 1, characterized in that: A powder discharging device (9) is fixedly connected to the upper surface of the base (1), and a second pipe (10) is fixedly connected above the powder discharging device (9).

5. The device for preparing a surface strengthening layer of a ball valve by laser cladding according to claim 4, characterized in that: The outer wall of the second pipe (10) is fixedly connected to the shell (2) and the second support (11), and the second support (11) is fixedly connected to the inside of the shell (2).

6. The device for preparing a surface strengthening layer of a ball valve by laser cladding according to claim 1, characterized in that: A six-axis robotic arm assembly (12) is arranged inside the housing (2), and a laser assembly (13) is installed below the six-axis robotic arm assembly (12).

7. The device for preparing a surface strengthening layer of a ball valve by laser cladding according to claim 2, characterized in that: A ball valve (14) is attached to the outer wall of the clamping block (306).

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