Furnace roller thermal spraying clamping tool
By designing a furnace roller thermal spraying clamping fixture, and utilizing a pneumatic clamping plate, heating wire, and friction components, the problems of temperature difference stress and cleanliness between the furnace roller and the coating were solved, achieving firm adhesion and uniform spraying of the coating, and improving the performance of the furnace roller.
Patent Information
- Application Number
- CN202520585100.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-31
AI Technical Summary
In the existing furnace roller thermal spraying process, the temperature difference stress between the furnace roller and the thermal spraying coating causes the coating to not adhere firmly, and the surface cleanliness of the furnace roller is insufficient, which affects the spraying effect.
A furnace roller thermal spraying clamping fixture was designed, including a pneumatic clamping plate, a top tip, a heating wire, and a friction assembly. Through clamping, preheating, and cleaning measures, the furnace roller surface is ensured to be uniformly heated and cleaned, thereby improving the adhesion of the coating.
It achieves firm adhesion and uniform spraying of coating on the surface of furnace rollers, improving the performance of furnace rollers in high-temperature, abrasive, and corrosive environments.
Smart Images

Figure CN223921506U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the furnace roller thermal spraying technical field, specifically a kind of furnace roller thermal spraying clamping tool. BACKGROUND
[0002] Furnace roller thermal spraying is a kind of technology for improving the surface performance of furnace roller, by spraying various high-performance materials to the surface of furnace roller, forming a coating with specific performance, to meet the use requirements of furnace roller in high temperature, wear, corrosion and other harsh working environment.
[0003] Thermal spraying is to heat the spraying material to melting or semi-melting state by heat source, and then atomize and spray it to the pretreated furnace roller surface by high-speed airflow, to form a firmly adhered coating, when spraying the furnace roller, the furnace roller is clamped and limited to the top of workbench by clamping tool, and then the fixed and limited furnace roller is rotated, so that the thermal spraying equipment sprays coating to the outer surface of furnace roller.
[0004] When spraying the furnace roller, the thermal spraying coating needs to be melted at high temperature and sprayed to the outer surface of furnace roller, the temperature of the outer surface of furnace roller itself is much lower than that of the thermal spraying coating, and then there will be temperature difference stress between the furnace roller and the thermal spraying coating, therefore, a kind of furnace roller thermal spraying clamping tool is proposed for the above problems. INVENTION CONTENTS
[0005] In order to make up for the deficiency of prior art, aiming at the problems existing in the existing equipment, the utility model provides a kind of furnace roller thermal spraying clamping tool.
[0006] The technical scheme adopted by the utility model to solve its technical problems is a kind of furnace roller thermal spraying clamping tool, including workbench, the top left side of the workbench is fixedly installed with mounting seat, the top of the mounting seat is installed with mounting block, the right side of the mounting block is rotatably installed with rotating disc, the right side of the rotating disc is provided with pneumatic clamping disc, the left side of the mounting block is installed with driving motor, the output shaft of the driving motor penetrates mounting block and extends to the inside of rotating disc, the top of the workbench is provided with center, the bottom of the center is installed with moving assembly, for driving center to move left and right on the top of workbench;
[0007] The top of the workbench is installed with mounting plate, the top of the mounting plate is fixedly installed with support column, the top of the support column is fixedly installed with lower arc plate, the top of the lower arc plate is hingedly connected with upper arc plate, the inner wall of the lower arc plate is provided with heating wire, the inside of the upper arc plate is installed with friction assembly, for friction cleaning to the outer surface of furnace roller.
[0008] Preferably, the moving assembly comprises a mounting groove opened in the top of the workbench and a slide rail fixedly installed on the top of the workbench, a lead screw is rotatably installed in the mounting groove, a stepper motor is installed on the right side of the lead screw and extends to the outside of the workbench through the mounting groove, a moving block is threadedly connected to the outer surface of the lead screw, a moving seat is fixedly installed on the top of the moving block, the moving seat is slidably installed on the top of the slide rail, and the center piece is installed on the top of the moving seat and used for clamping and limiting the furnace roller of different lengths in cooperation with the pneumatic clamping disc.
[0009] Preferably, the friction assembly comprises a threaded hole opened in the top of the upper arc plate, a threaded column is threadedly connected to the inside of the threaded hole, and an arc-shaped resisting plate is rotatably installed at the bottom of the threaded column, and burrs are arranged on the inner wall of the bottom of the arc-shaped resisting plate and used for friction cleaning of the outer surface of the furnace roller.
[0010] Preferably, the bottom of the mounting plate is slidably installed on the top of the slide rail, and a moving table is fixedly installed on the front of the mounting plate.
[0011] Further, the moving guide rail can move the thermal spraying equipment on the moving table, so that the thermal spraying equipment stably moves outside the furnace roller and sprays paint on the outer surface of the furnace roller.
[0012] Preferably, the moving guide rail is fixedly installed on the top of the workbench, and the thermal spraying equipment is installed on the top of the moving table.
[0013] Preferably, the lower arc plate and the upper arc plate are arranged at the same horizontal height as the pneumatic clamping disc, and the lower arc plate and the upper arc plate are arranged on the left side of the thermal spraying equipment.
[0014] Further, the upper arc plate and the lower arc plate are arranged at the same horizontal height as the pneumatic clamping disc through the mounting plate and the supporting column, and the furnace roller can be sleeved in the inside of the upper arc plate and the lower arc plate.
[0015] The utility model discloses the beneficial effects of:
[0016] 1. The utility model discloses a lower arc plate is closed to the top of the upper arc plate of opening and closing, and then the threaded column is rotated, so that the arc-shaped resisting plate is attached to the outer surface of the furnace roller, the heating wire of the inner wall of the lower arc plate is electrified, the outer surface of the furnace pipe is preheated, and the arc-shaped resisting plate is rubbed and cleaned on the outer surface of the furnace roller, so that the outer surface of the furnace roller is preheated and cleaned.
[0017] 2. The utility model discloses a furnace roller is provided with the upper arc plate and lower arc plate, and the upper arc plate and lower arc plate are sleeved on the outer surface of the furnace roller, and the moving table drives the hot spraying equipment to move and sprays paint to the outer surface of the furnace roller, and the moving table moves and drives the mounting plate to move, and then the upper arc plate and lower arc plate are always located at the left side of the hot spraying equipment, which achieves the effect that the hot spraying equipment, the upper arc plate and the lower arc plate move together. BRIEF DESCRIPTION OF DRAWINGS
[0018] The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and serve to explain the utility model without imposing any undue limitation to the utility model. In the drawings:
[0019] Figure 1 It is whole three -dimensional structure schematic diagram of the utility model;
[0020] Figure 2 It is hot spraying equipment structure schematic diagram of the utility model;
[0021] Figure 3 It is support column structure schematic diagram of the utility model;
[0022] Figure 4 It is moving seat structure schematic diagram of the utility model;
[0023] Figure 5 It is upper arc plate and lower arc plate structure schematic diagram of the utility model.
[0024] Legend:
[0025] In the drawing: 1, workbench;11, mounting seat;12, mounting block;13, rotating disc;14, drive motor;2, pneumatic clamping disc;21, top piece;3, moving assembly;301, installation groove;302, sliding rail;303, screw rod;304, stepping motor;305, moving block;306, moving seat;4, mounting plate;41, support column;42, lower arc plate;43, upper arc plate;44, heating wire;45, friction assembly;401, threaded column;402, arc resistance board;5, moving table;6, moving guide rail;7, hot spraying equipment. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0027] Please refer to Figures 1-5As shown, a furnace roller thermal spraying clamping tool, including a workbench 1, the top left side of the workbench 1 is fixedly installed with a mounting seat 11, the top of the mounting seat 11 is installed with a mounting block 12, the right side of the mounting block 12 is rotatably installed with a rotating disc 13, the right side of the rotating disc 13 is provided with a pneumatic clamping disc 2, the left side of the mounting block 12 is installed with a drive motor 14, the output shaft of the drive motor 14 penetrates through the mounting block 12 and extends to the inside of the rotating disc 13, the top of the workbench 1 is provided with a center piece 21, the bottom of the center piece 21 is installed with a moving assembly 3, used to drive the center piece 21 to move left and right on the top of the workbench 1;
[0028] The top of the workbench 1 is installed with a mounting plate 4, the top of the mounting plate 4 is fixedly installed with a support column 41, the top of the support column 41 is fixedly installed with a lower arc plate 42, the top of the lower arc plate 42 is hingedly connected with an upper arc plate 43, the inner wall of the lower arc plate 42 is provided with a heating wire 44, the inside of the upper arc plate 43 is installed with a friction assembly 45, used to frictionally clean the outer surface of the furnace roller.
[0029] Further, by installing the pneumatic clamping disc 2 on the top of the workbench 1, one end of the furnace roller can be clamped and fixed, and the pneumatic clamping disc 2 is installed on the right side of the rotating disc 13, energizing the drive motor 14 can drive the rotating disc 13 and the pneumatic clamping disc 2 to rotate together, and the clamped furnace roller is rotated, and clamping and fixing only one end of the furnace roller will cause the furnace roller to rotate unstably, and the moving assembly 3 is installed on the top of the workbench 1, so that the center piece 21 can move left and right on the top of the workbench 1 through the moving assembly 3, and the other end of the furnace roller can be abutted by the center piece 21, thereby playing a role in centering and axial positioning, and the lower arc plate 42 is arranged at the bottom of the outer surface of the clamped furnace roller, and the lower arc plate 42 is installed below the furnace roller through the mounting plate 4 and the support column 41, and then the upper arc plate 43 hingedly connected to the top of the lower arc plate 42 is closed, and the lower arc plate 42 and the upper arc plate 43 can be sleeved on the outer surface of the furnace pipe, and when the outer surface of the furnace roller is sprayed with paint, the heating wire 44 installed on the inner wall of the lower arc plate 42 can be energized to heat, thereby preheating the outer surface of the furnace roller, avoiding the formation of temperature difference between the outer surface of the furnace roller and the thermal spraying paint, causing the paint to be not firmly attached, and the friction assembly 45 installed below the upper arc plate can be attached to the outer surface of the furnace roller, thereby cleaning the dust and impurities on the outer surface of the furnace roller.
[0030] It should be noted that the pneumatic clamping disc 2 is driven by air pressure to realize the clamping and fixing of the workpiece, the top piece 21 is usually called a fixed top, which is used to resist one end of the roller and plays a role in centering and axial positioning, preventing the roller from moving or rotating axially during processing or operation, and is used together with the pneumatic clamping disc 2, and the heating wire 44 is a device for converting electrical energy into heat energy, which is usually made of high-resistance material. The internal structure of the pneumatic clamping disc 2, the top piece 21 and the heating wire 44 is connected as prior art, and the working principle is common knowledge of workers in the field, which will not be repeated here.
[0031] First, considering how to move the top piece 21 left and right, show Figure 2 With Figure 4 , the specific structure of the moving assembly 3 is disclosed, which includes a mounting groove 301 opened on the top of the workbench 1 and a sliding rail 302 fixedly installed on the top of the workbench 1. The inside of the mounting groove 301 is rotatably installed with a lead screw 303, the right side of the lead screw 303 penetrates through the mounting groove 301 and extends to the outside of the workbench 1 and is installed with a stepping motor 304, the outer surface of the lead screw 303 is threadedly connected with a moving block 305, the top of the moving block 305 is fixedly installed with a moving seat 306, the bottom of the moving seat 306 is slidably installed on the top of the sliding rail 302, and the top piece 21 is installed on the top of the moving seat 306. It is used to cooperate with the pneumatic clamping disc 2 to clamp and limit the furnace roller of different lengths.
[0032] Further, by opening the mounting groove 301 on the top of the workbench 1, the lead screw 303 can be rotatably installed inside the mounting groove 301, and the right side of the lead screw 303 penetrates through the mounting groove 301 and extends to the outside of the workbench 1 and is connected with the output shaft of the stepping motor 304. The stepping motor 304 is energized to drive the lead screw 303 to rotate, so that the moving block 305 threadedly connected to the outer surface of the lead screw 303 can drive the moving seat 306 on the top to move together, and the sliding rail 302 can assist the moving seat 306 to further stably move, and then the top piece 21 installed at the bottom of the moving seat 306 can move left and right on the top of the workbench 1, achieving the effect of the top piece 21 moving left and right to cooperate with the pneumatic clamping disc 2 to clamp and fix the two ends of the furnace roller.
[0033] Second, considering how to clean the outer surface of the furnace roller, show Figure 3 With Figure 5 , the specific structure of the friction assembly 45 is disclosed, which includes a threaded hole opened on the top of the upper arc plate 43, a threaded column 401 threadedly connected inside the threaded hole, and an arc-shaped abutting plate 402 rotatably installed at the bottom of the threaded column 401. The inner wall of the bottom of the arc-shaped abutting plate 402 is provided with a burr for friction cleaning of the outer surface of the furnace roller.
[0034] The lower arc plate 42 and the upper arc plate 43 are arranged at the same horizontal level as the pneumatic clamping disc 2, and the lower arc plate 42 and the upper arc plate 43 are arranged on the left side of the thermal spraying device 7.
[0035] Further, the threaded hole at the top of the upper arc plate 43 is threadedly connected with the upper threaded column 401, so that the upper threaded column 401 is vertically installed in the interior of the upper arc plate 43, the bottom of the upper threaded column 401 extends into the interior of the upper arc plate 43 to rotationally connect the top of the arc-shaped stop plate 402, and then the top end of the upper threaded column 401 can adjust the position of the arc-shaped stop plate 402 in the interior of the lower arc plate 42 up and down, when the lower arc plate 42 and the upper arc plate 43 are closed, the arc-shaped stop plate 402 can be attached to the outer surface of the furnace roller by rotating the upper threaded column 401, when the furnace roller rotates, the burr at the bottom of the inner wall of the arc-shaped stop plate 402 can rub the outer surface of the furnace roller, and then clean the dust and impurities on the outer surface of the furnace roller.
[0036] Finally, considering the problem of how the lower arc plate 42 and the upper arc plate 43 move along the outer surface of the furnace roller, the installation plate 4 is slidably installed on the top of the slide rail 302, and the front surface of the installation plate 4 is fixedly installed with the moving table 5, and the bottom of the moving table 5 is slidably installed with the moving guide rail 6. Figures 2-4 The moving guide rail 6 is fixedly installed on the top of the workbench 1, and the top of the moving table 5 is installed with the thermal spraying device 7.
[0037] Further, the installation plate 4 is slidably installed on the top of the slide rail 302, so that the installation plate 4 can move left and right along the slide rail 302, and the moving guide rail 6 is installed on the top front end of the workbench 1, so that the moving table 5 is slidably installed on the top of the moving guide rail 6, and the thermal spraying device 7 is installed on the top of the moving table 5, so that the thermal spraying device 7 can move left and right on the moving guide rail 6 by means of the moving table 5, and the position of the thermal spraying device 7 is adjusted to comprehensively spray the coating on the outer surface of the furnace roller, the front surface of the installation plate 4 is fixedly installed on the back surface of the moving table 5, so that the installation plate 4 can move together with the moving table 5, and the installation plate 4 is arranged on the left side of the thermal spraying device 7, when the thermal spraying device 7 moves from the right side to the left side for spraying, the upper arc plate 43 and the lower arc plate 42 are located on the left side of the thermal spraying device 7 to preheat and clean the outer surface of the furnace roller, so that the thermal spraying coating is more firmly attached to the outer surface of the furnace roller.
[0038]
[0039] It should be noted that the thermal spraying equipment 7 refers to a device for spraying the furnace roller, including various types such as plasma spraying equipment, high-velocity oxygen fuel spraying equipment, etc. The thermal spraying equipment 7 is usually also equipped with some auxiliary devices, such as a powder feeder, a spray gun, a gas source, a power source, a spraying workbench, a clamp, etc. to realize accurate spraying and stable operation of the furnace roller. The internal circuit and structure connection of the thermal spraying equipment 7 are prior art, and the working principle is common knowledge of workers in the field, which will not be described here.
[0040] In summary, the working principle of the utility model is:
[0041] When clamping and thermal spraying the furnace roller, the left end of the furnace roller is inserted into the inside of the pneumatic clamping disc 2 for clamping and limiting, the stepper motor 304 drives the moving block 305 and the moving seat 306 on the outer surface of the lead screw 303 to move to the left until the top pin 21 abuts against the right side of the furnace roller, and the furnace roller is clamped and limited to the top of the workbench 1. At this time, the moving table 5 moves to the right side of the furnace roller, the upper arc plate 43 is closed to the top of the lower arc plate 42, and then the threaded column 401 is rotated so that the arc-shaped abutting plate 402 is attached to the outer surface of the furnace roller. After the preparation work is completed, the driving motor 14 is started to drive the rotating disc 13 and the pneumatic clamping disc 2 to rotate, so that the furnace roller can rotate, the heating wire 44 on the inner wall of the lower arc plate 42 is powered on, the outer surface of the furnace pipe is preheated, and the arc-shaped abutting plate 402 abuts against the outer surface of the furnace roller for friction cleaning. The thermal spraying equipment 7 sprays paint on the outer surface of the furnace roller, and the thermal spraying equipment 7 moves to the left with the help of the moving table 5, which drives the mounting plate 4 to move together, and then the upper arc plate 43 and the lower arc plate 42 are always located on the left side of the thermal spraying equipment 7. After clamping and limiting the furnace roller, the preheating and cleaning effects are achieved.
[0042] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0043] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.
Claims
1. A furnace roller thermal spraying clamping fixture, comprising a worktable (1), wherein a mounting base (11) is fixedly mounted on the top left side of the worktable (1), a mounting block (12) is mounted on the top of the mounting base (11), a rotating disk (13) is rotatably mounted on the right side of the mounting block (12), a pneumatic clamping disk (2) is provided on the right side of the rotating disk (13), and a drive motor (14) is mounted on the left side of the mounting block (12), wherein the output shaft of the drive motor (14) passes through the mounting block (12) and extends into the interior of the rotating disk (13), characterized in that: The top of the workbench (1) is provided with a top tip (21), and the bottom of the top tip (21) is provided with a moving assembly (3) for driving the top tip (21) to move left and right on the top of the workbench (1). The top of the workbench (1) is provided with a mounting plate (4), and the top of the mounting plate (4) is fixedly provided with a supporting column (41), and the top of the supporting column (41) is fixedly provided with a lower arc plate (42), and the top of the lower arc plate (42) is hingedly provided with an upper arc plate (43), and the inner wall of the lower arc plate (42) is provided with a heating wire (44), and the inside of the upper arc plate (43) is provided with a friction assembly (45) for friction cleaning the outer surface of the furnace roller.
2. The furnace roller thermal spray clamping fixture of claim 1, wherein: The moving assembly (3) comprises an installation groove (301) formed in the top of the workbench (1) and a sliding rail (302) fixedly installed on the top of the workbench (1), a lead screw (303) is rotatably installed in the inside of the installation groove (301), a stepping motor (304) is installed on the outside of the workbench (1) and penetrates through the installation groove (301) and extends to the right side of the lead screw (303), a moving block (305) is threadedly connected to the outer surface of the lead screw (303), a moving seat (306) is fixedly installed on the top of the moving block (305), the moving seat (306) is slidably installed on the top of the sliding rail (302), and the top tip (21) is installed on the top of the moving seat (306) and used for clamping and limiting the furnace roller of different lengths in cooperation with the pneumatic clamping disc (2).
3. The furnace roller thermal spray clamping fixture of claim 1, wherein: The friction assembly (45) comprises a threaded hole formed in the top of the upper arc plate (43), a threaded column (401) is threadedly connected to the inside of the threaded hole, an arc-shaped resisting plate (402) is rotatably installed at the bottom of the threaded column (401), and burrs are arranged on the bottom inner wall of the arc-shaped resisting plate (402) and used for friction cleaning the outer surface of the furnace roller.
4. The furnace roller thermal spray clamping fixture of claim 3, wherein: The bottom of the mounting plate (4) is slidably installed on the top of the sliding rail (302), and the front face of the mounting plate (4) is fixedly provided with a moving table (5), and the bottom of the moving table (5) is slidably provided with a moving rail (6).
5. The furnace roll thermal spray clamping fixture of claim 4, wherein: The moving rail (6) is fixedly installed on the top of the workbench (1), and the top of the moving table (5) is provided with a thermal spraying device (7).
6. The furnace roll thermal spray clamping fixture of claim 1 wherein: The lower arc plate (42), the upper arc plate (43) and the pneumatic clamping disc (2) are arranged at the same horizontal height, and the lower arc plate (42) and the upper arc plate (43) are arranged on the left side of the thermal spraying device (7).