A spraying device for silicon-carbon rods

Abstract

The utility model discloses a kind of spraying devices of silicon-carbon rod, it is related to silicon-carbon rod processing technical field, including bottom plate, the upper end left part fixed mounting of bottom plate has spraying structure, the upper end right part fixed mounting of bottom plate has feeding adjustment assembly, the inside movable joint of feeding adjustment assembly has multiple point fixed assembly, feeding adjustment assembly includes two guide rails, the lower end of two The front position fixed mounting of right part of bottom plate lower end. The spraying device of silicon-carbon rod in the utility model, by feeding adjustment assembly, can be driven by electric cylinder driving support plate with fixed cylinder linear movement, so that fixed cylinder will its inner wall fixed silicon-carbon rod send into spraying frame and spray aluminum. Electric cylinder replaces manual adjustment, improves displacement accuracy, and also reduces the risk of manual operation. By multiple point fixed assembly, the silicon-carbon rod hot end can be fixed using the embracing type fixing method of four arc clamps, realize multiple point fixing, and have strong stability.

Description

Technical Field

[0001] This utility model relates to the field of silicon carbide rod processing technology, and in particular to a silicon carbide rod spraying device. Background Technology

[0002] Silicon carbide heating elements, used as refractory and high-temperature resistant electric heating elements, have been widely applied in metal smelting, steel heat treatment, metallurgical mineral processing, building materials, and ceramics. When used in electric furnaces, silicon carbide heating elements have a hot end and a cold end. The cold end, which connects to the electrodes, is typically installed outside the furnace. To ensure tight contact between the cold end of the silicon carbide heating element and the conductive clamp, and to reduce contact resistance, aluminum is coated onto the cold end of the silicon carbide heating element. The traditional method for aluminum coating is thermal spraying, which involves using an electric sprayer or a metal flame sprayer to melt aluminum wire into a liquid using an electric or oxy-acetylene flame. The molten aluminum is then sprayed onto the cold end of the silicon carbide heating element under compressed air. However, this existing technology presents several challenges in coating silicon carbide heating elements.

[0003] Chinese patent document CN215202602U discloses a spraying device for silicon carbide rods. The device is slidably connected to a slide rail via a chuck, with the chuck located to the right of a rotary motor. A second insert rod is horizontally connected to a rotating mechanism within the chuck, and the second insert rod is coaxially aligned with and facing the first insert rod. The guide rail is horizontally supported above the worktable by a bracket. A linear drive mechanism is fixed to the right side of the chuck on the worktable, and the chuck is connected to the drive rod of the linear drive mechanism. A drive carriage is slidably connected to the guide rail, and a spray gun nozzle is fixed downwards on the drive carriage, positioned directly above the line connecting the first and second insert rods. This spraying device can efficiently and uniformly spray a coating onto the surface of silicon carbide rods, effectively avoiding spraying dead zones.

[0004] The existing technology has the following problems:

[0005] I. Existing technology uses a plug inserted into the hole of a silicon carbide rod to fix the material, which has a limited range of applications and cannot fix solid silicon carbide rods.

[0006] Second, in the operation of existing technology, the worker's actions of picking up and placing silicon carbide rods are always performed below the spray gun nozzle, which poses a certain degree of danger. Utility Model Content

[0007] This invention provides a coating device for silicon carbide rods to solve the problems mentioned in the background art.

[0008] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0009] A coating device for silicon carbide rods includes a base plate, a coating structure is fixedly installed on the upper left side of the base plate, and a feeding adjustment component is fixedly installed on the upper right side of the base plate. The feeding adjustment component is internally connected to a multi-point fixing component.

[0010] The feeding adjustment assembly includes two guide rails. The lower ends of the two guide rails are fixedly installed at the front position of the lower right side of the base plate. Slide plates are slidably connected to the inner walls of the two guide rails. Support plates are fixedly installed on the top of the opposite sides of the two slide plates. A vertical plate is fixedly installed on the front upper end of the support plate. A circular plate is fixedly installed on the top of the vertical plate. A fixed cylinder is rotatably connected to the inner wall of the middle part of the circular plate.

[0011] The multi-point fixing assembly includes four guide posts, the lower ends of which penetrate the outer wall of the fixing cylinder. The outer sides of the four guide posts are slidably connected to the side walls of the fixing cylinder. The four guide posts are arranged in a ring on the inner and outer sides of the fixing cylinder. An arc-shaped clamping plate is fixedly installed at one end of each of the four guide posts near the axis of the fixing cylinder, and an arc-shaped pressure plate is fixedly installed at one end of each of the four guide posts away from the axis of the fixing cylinder. A compression ring is movably connected to the rear part of the outer wall of the fixing cylinder, and the inner wall of the compression ring abuts against the outer walls of the four pressure plates.

[0012] Preferably, a connecting frame is fixedly installed at the upper middle part of the support plate, and an electric cylinder is fixedly installed at the front position of the upper right part of the base plate. The output end of the electric cylinder is fixedly connected to the front left side of the connecting frame, and the electric cylinder is located to the left of the two guide rails.

[0013] Preferably, a positioning plate is fixedly installed in the middle of the inner wall of the fixed cylinder, and a storage groove is provided in the middle of the rear side of the positioning plate.

[0014] Preferably, a rectangular sleeve is fixedly connected to the upper rear part of the support plate, a movable column is slidably connected to the inner wall of the rectangular sleeve, an arc-shaped support plate is fixedly connected to the upper end of the movable column, a fastening bolt is threaded through and threaded to the top left side of the rectangular sleeve, and the right end of the fastening bolt abuts against the left side of the movable column.

[0015] Preferably, the cross-section of the extrusion ring is a trapezoidal structure with the size gradually increasing from front to back, and the cross-sections of the four pressure plates are all trapezoidal structures with the size gradually decreasing from front to back.

[0016] Preferably, an annular plate is fixedly installed on the rear side of the extrusion ring, and an adjusting screw is threadedly connected to the rear part of the top of the outer wall of the fixed cylinder. The front end of the adjusting screw is rotatably connected to the rear top of the annular plate. Sliding rods are slidably connected to the rear parts of the left and right sides of the outer wall of the fixed cylinder. The front ends of the two sliding rods are fixedly connected to the rear left and right sides of the annular plate. The inner walls of the annular plate and the extrusion ring are movably sleeved with the outer wall of the fixed cylinder.

[0017] Preferably, springs are movably sleeved on the outer sides of the four guide posts near the axis of the fixed cylinder. The ends of the four springs away from the axis of the fixed cylinder are fixedly connected to the inner wall of the fixed cylinder, and the ends of the four springs near the axis of the fixed cylinder are fixedly connected to the sides of the four arc-shaped clamps away from the axis of the fixed cylinder.

[0018] Preferably, the spraying structure includes a mounting plate, the lower end of which is fixedly installed to the upper left part of the base plate, an aluminum wire feeding mechanism is fixedly connected to the upper left part of the mounting plate, a spraying frame with a matching fixed cylinder is fixedly installed to the lower right part of the mounting plate, a power supply mechanism is fixedly connected to the middle left side of the spraying frame, a spray gun nozzle mechanism is fixedly connected to the left side of the inner wall of the spraying frame, and a compressed air mechanism is fixedly installed to the right side of the spraying frame.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. This utility model provides a silicon carbide rod spraying device, which, through the cooperation of guide rails, sliding plates, support plates, vertical plates, circular plates, fixed cylinders, connecting frames, and electric cylinders, enables the electric cylinder to drive the support plate to move linearly, so that the fixed cylinder delivers the fixed silicon carbide rods inside into the spraying frame for aluminum spraying. The electric cylinder replaces manual adjustment, improving displacement accuracy while reducing the danger of manual operation.

[0021] 2. This utility model provides a spraying device for silicon carbide rods. Through the cooperation of guide posts, arc-shaped clamps, pressure plates, extrusion rings, annular plates, adjusting screws, slide rods and springs, the hot end of the silicon carbide rod can be fixed by the ring-shaped fixing method of four arc-shaped clamps, achieving multi-point fixing and strong stability. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall front structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the overall rear view structure of this utility model;

[0024] Figure 3 This is a schematic diagram (I) of the feeding adjustment component of this utility model;

[0025] Figure 4 This is a schematic diagram (II) of the feeding adjustment component of this utility model;

[0026] Figure 5 This is a partially enlarged schematic diagram of point A of this utility model.

[0027] In the diagram: 1. Base plate; 2. Feeding adjustment assembly; 3. Multi-point fixing assembly; 4. Spraying structure; 21. Guide rail; 22. Slide plate; 23. Support plate; 24. Vertical plate; 25. Circular plate; 26. Fixing cylinder; 27. Connecting frame; 28. Electric cylinder; 29. ​​Rectangular sleeve; 210. Moving column; 211. Support plate; 31. Guide column; 32. Arc-shaped clamp; 33. Pressure plate; 34. Extrusion ring; 35. Annular plate; 36. Adjusting screw; 37. Slide rod; 38. Spring; 41. Mounting plate; 42. Aluminum wire feeding mechanism; 43. Spraying frame; 44. Power supply mechanism; 45. Spray gun nozzle mechanism; 46. Compressed air mechanism. Detailed Implementation

[0028] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0029] like Figures 1-5 As shown, a silicon carbide rod spraying device includes a base plate 1, a spraying structure 4 is fixedly installed on the upper left side of the base plate 1, and a feeding adjustment component 2 is fixedly installed on the upper right side of the base plate 1. The feeding adjustment component 2 is internally connected to a multi-point fixing component 3.

[0030] The feeding adjustment assembly 2 includes two guide rails 21. The lower ends of the two guide rails 21 are fixedly installed at the front position of the lower right side of the base plate 1. Slide plates 22 are slidably connected to the inner walls of the two guide rails 21. Support plates 23 are fixedly installed on the top of the opposite sides of the two slide plates 22. A vertical plate 24 is fixedly installed on the front upper end of the support plate 23. A circular plate 25 is fixedly installed on the top of the vertical plate 24. A fixed cylinder 26 is rotatably connected to the inner wall of the middle part of the circular plate 25.

[0031] The multi-point fixing assembly 3 includes four guide posts 31. The lower ends of the four guide posts 31 all penetrate the outer wall of the fixing cylinder 26. The outer sides of the four guide posts 31 are slidably connected to the side walls of the fixing cylinder 26. The four guide posts 31 are distributed in a ring on the inner and outer sides of the fixing cylinder 26. An arc-shaped clamping plate 32 is fixedly installed at one end of the four guide posts 31 near the axis of the fixing cylinder 26. An arc-shaped pressure plate 33 is fixedly installed at one end of the four guide posts 31 away from the axis of the fixing cylinder 26. A compression ring 34 is movably connected to the rear part of the outer wall of the fixing cylinder 26. The inner wall of the compression ring 34 abuts against the outer walls of the four pressure plates 33.

[0032] The feeding adjustment assembly 2 utilizes an electric cylinder 28 to drive the support plate 23, which in turn moves the fixed cylinder 26 linearly. This allows the fixed cylinder 26 to feed the silicon carbide rod, which is fixed to its inner wall, into the spraying frame 43 for aluminum spraying. The electric cylinder 28 replaces manual adjustment, improving displacement accuracy while reducing the danger of manual operation. The multi-point fixing assembly 3 uses four arc-shaped clamps 32 to secure the hot end of the silicon carbide rod, achieving multi-point fixing and strong stability.

[0033] like Figure 3 and Figure 4 As shown, a connecting frame 27 is fixedly installed at the upper middle part of the support plate 23, and an electric cylinder 28 is fixedly installed at the front part of the upper right part of the base plate 1. The output end of the electric cylinder 28 is fixedly connected to the front left part of the connecting frame 27. The electric cylinder 28 is located to the left of the two guide rails 21.

[0034] The electric cylinder 28 pushes the support plate 23 through the connecting frame 27, realizing the linear displacement of the fixed cylinder 26. This allows the fixed silicon carbide rod to automatically extend into the spray frame 43.

[0035] like Figure 5 As shown, a positioning plate is fixedly installed in the middle of the inner wall of the fixed cylinder 26, and a storage groove is opened in the middle of the rear side of the positioning plate.

[0036] When fixing the silicon carbide rod, the positioning plate and the storage groove serve to position it.

[0037] like Figure 4 As shown, a rectangular sleeve 29 is fixedly connected to the upper rear part of the support plate 23. A movable column 210 is slidably connected to the inner wall of the rectangular sleeve 29. An arc-shaped support plate 211 is fixedly connected to the upper end of the movable column 210. A fastening bolt is threaded through and connected to the top left side of the rectangular sleeve 29. The right end of the fastening bolt abuts against the left side of the movable column 210.

[0038] The rectangular sleeve 29 and the movable column 210 form a sliding pair, and the height is locked by fastening bolts. The arc-shaped support plate 211 provides auxiliary support and reduces the deflection of the long bar.

[0039] like Figure 5 As shown, the cross-section of the compression ring 34 is a trapezoidal structure with the size gradually increasing from front to back, and the cross-sections of the four pressure plates 33 are all trapezoidal structures with the size gradually decreasing from front to back.

[0040] The trapezoidal cross-section of the compression ring 34 and the pressure plate 33 cooperate to convert the rotational motion into radial contraction. The adjusting screw 36 realizes "fine adjustment + self-locking".

[0041] like Figure 5 As shown, an annular plate 35 is fixedly installed on the rear side of the extrusion ring 34. An adjusting screw 36 is threadedly connected to the rear part of the top of the outer wall of the fixed cylinder 26. The front end of the adjusting screw 36 is rotatably connected to the rear top of the annular plate 35. Sliding rods 37 are slidably connected to the rear parts of the left and right sides of the outer wall of the fixed cylinder 26. The front ends of the two sliding rods 37 are fixedly connected to the rear left and right sides of the annular plate 35. The inner walls of the annular plate 35 and the extrusion ring 34 are movably sleeved with the outer wall of the fixed cylinder 26.

[0042] like Figure 5As shown, springs 38 are movably sleeved on the outer side of the four guide posts 31 near the axis of the fixed cylinder 26. One end of the four springs 38 away from the axis of the fixed cylinder 26 is fixedly connected to the inner wall of the fixed cylinder 26, and the other end of the four springs 38 near the axis of the fixed cylinder 26 is fixedly connected to one side of the four arc-shaped clamps 32 away from the axis of the fixed cylinder 26.

[0043] Spring 38 provides a restoring force to guide post 31 and arc-shaped clamp 32.

[0044] like Figure 2 and Figure 3 As shown, the spraying structure 4 includes a mounting plate 41. The lower end of the mounting plate 41 is fixedly installed on the upper left side of the base plate 1. An aluminum wire feeding mechanism 42 is fixedly connected to the upper left side of the mounting plate 41. A matching fixed cylinder 26 of the spraying frame 43 is fixedly installed on the lower right side of the mounting plate 41. A power supply mechanism 44 is fixedly connected to the middle left side of the spraying frame 43. A spray gun nozzle mechanism 45 is fixedly connected to the left side of the inner wall of the spraying frame 43. A compressed air mechanism 46 is fixedly installed on the right side of the spraying frame 43.

[0045] This device enables metal flame spraying. The power supply mechanism 44 melts the aluminum wire into liquid, and the molten aluminum liquid is sprayed onto the cold end of the silicon carbide rod under the blowing of the compressed air mechanism 46.

[0046] The working principle of this utility model is as follows: In use, rotating the adjusting screw 36 moves the compression ring 34 backward, and the spring 38 pushes the arc-shaped clamping plate 32 to open. The hot end of the silicon carbide rod is inserted into the fixing cylinder 26, with its end face fitting against the positioning plate's storage groove. Rotating the adjusting screw 36 in the opposite direction moves the compression ring 34 forward, forcing the arc-shaped clamping plate 32 to contract through the wedge-shaped surface, thus gripping the silicon carbide rod. Subsequently, the fastening bolts of the rectangular sleeve 29 are loosened, and the moving column 210 is moved up and down, so that the support plate 211 fits against the lower surface of the silicon carbide rod. The fastening bolts are locked, forming a two-point support structure of "fixed cylinder + support plate". (The support plate 211 does not need to be adjusted all the time, but only when adapting to silicon carbide rods of different sizes).

[0047] Subsequently, the electric cylinder 28 is activated, pushing the fixed cylinder 26 to the left along the guide rail 21, allowing the cold end of the silicon carbide rod to enter the spray frame 43. The aluminum wire feeding mechanism 42 delivers aluminum wire to the spray gun nozzle mechanism 45, the power supply mechanism 44 provides electrical energy, and the compressed air mechanism 46 disperses the molten aluminum. The spray gun nozzle mechanism 45 then performs the aluminum coating operation. Furthermore, during aluminum spraying, the worker can rotate the silicon carbide rod using the handle at the rear of the fixed cylinder 26, achieving uniform 360° circumferential spraying of the silicon carbide rod.

[0048] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A spraying device for silicon-carbon rods, comprising a base plate (1), characterized in that: A spraying structure (4) is fixedly installed on the upper left side of the base plate (1), and a feeding adjustment component (2) is fixedly installed on the upper right side of the base plate (1). The feeding adjustment component (2) is internally connected to a multi-point fixing component (3). The feeding adjustment assembly (2) includes two guide rails (21). The lower ends of the two guide rails (21) are fixedly installed at the front position of the lower right side of the bottom plate (1). The inner walls of the two guide rails (21) are slidably connected with slide plates (22). The top of the opposite side of the two slide plates (22) is fixedly installed with a support plate (23). The upper front of the support plate (23) is fixedly installed with a vertical plate (24). The top of the vertical plate (24) is fixedly installed with a circular plate (25). The inner wall of the middle part of the circular plate (25) is rotatably connected with a fixed cylinder (26). The multi-point fixing assembly (3) includes four guide posts (31). The lower ends of the four guide posts (31) all penetrate the outer wall of the fixing cylinder (26). The outer sides of the four guide posts (31) are slidably connected to the side wall of the fixing cylinder (26). The four guide posts (31) are distributed in a ring on the inner and outer sides of the fixing cylinder (26). An arc-shaped clamp (32) is fixedly installed at one end of the four guide posts (31) near the axis of the fixing cylinder (26). An arc-shaped pressure plate (33) is fixedly installed at one end of the four guide posts (31) away from the axis of the fixing cylinder (26). A compression ring (34) is movably connected to the rear part of the outer wall of the fixing cylinder (26). The inner wall of the compression ring (34) abuts against the outer wall of the four pressure plates (33).

2. A device for spraying a silicon carbide rod according to claim 1, characterized in that: A connecting frame (27) is fixedly installed at the upper middle part of the support plate (23), and an electric cylinder (28) is fixedly installed at the front part of the upper right part of the base plate (1). The output end of the electric cylinder (28) is fixedly connected to the front left part of the connecting frame (27), and the electric cylinder (28) is located to the left of the two guide rails (21).

3. A device for spraying silicon carbide rods as claimed in claim 1, characterized in that: A positioning plate is fixedly installed in the middle of the inner wall of the fixed cylinder (26), and a storage groove is opened in the middle of the rear side of the positioning plate.

4. A device for spraying silicon carbide rods according to claim 1, characterized in that: A rectangular sleeve (29) is fixedly connected to the upper rear part of the support plate (23). A movable column (210) is slidably connected to the inner wall of the rectangular sleeve (29). An arc-shaped support plate (211) is fixedly connected to the upper end of the movable column (210). A fastening bolt is threaded through and connected to the top left side of the rectangular sleeve (29). The right end of the fastening bolt abuts against the left side of the movable column (210).

5. A device for spraying silicon carbide rods as claimed in claim 1, characterized in that: The cross-section of the extrusion ring (34) is a trapezoidal structure with the size gradually increasing from front to back, and the cross-sections of the four pressure plates (33) are all trapezoidal structures with the size gradually decreasing from front to back.

6. A device for spraying silicon carbide rods according to claim 1, characterized in that: An annular plate (35) is fixedly installed on the rear side of the extrusion ring (34). An adjusting screw (36) is threadedly connected to the rear part of the top of the outer wall of the fixed cylinder (26). The front end of the adjusting screw (36) is rotatably connected to the top of the rear side of the annular plate (35). Sliding rods (37) are slidably connected to the rear parts of the left and right sides of the outer wall of the fixed cylinder (26). The front ends of the two sliding rods (37) are fixedly connected to the left and right rear parts of the annular plate (35). The inner walls of the annular plate (35) and the extrusion ring (34) are movably sleeved with the outer wall of the fixed cylinder (26).

7. A device for spraying silicon carbide rods as claimed in claim 1, characterized in that: Springs (38) are movably sleeved on the outer side of the four guide posts (31) near the axis of the fixed cylinder (26). The ends of the four springs (38) away from the axis of the fixed cylinder (26) are fixedly connected to the inner wall of the fixed cylinder (26), and the ends of the four springs (38) near the axis of the fixed cylinder (26) are fixedly connected to the side of the four arc-shaped clamps (32) away from the axis of the fixed cylinder (26).

8. A device for spraying silicon carbide rods according to claim 1, characterized in that: The spraying structure (4) includes a mounting plate (41), the lower end of which is fixedly installed on the upper left side of the base plate (1). An aluminum wire feeding mechanism (42) is fixedly connected to the upper left side of the mounting plate (41). A spraying frame (43) with a matching fixing cylinder (26) is fixedly installed on the lower right side of the mounting plate (41). A power supply mechanism (44) is fixedly connected to the middle left side of the spraying frame (43). A spray gun nozzle mechanism (45) is fixedly connected to the left side of the inner wall of the spraying frame (43). A compressed air mechanism (46) is fixedly installed on the right side of the spraying frame (43).

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