Furnace roller thermal spraying device with clamping mechanism

By designing a furnace roller thermal spraying device with a clamping mechanism, the problem of preventing the furnace roller from rolling during the spraying process was solved. This enabled effective limiting of the furnace roller and flexible adjustment of the spray gun height, thereby improving the uniformity and efficiency of the spraying operation.

CN223921505UActive Publication Date: 2026-02-17JINGJIANG RUNXIN SURFACE ENG TECH CO LTD
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Patent Information

Application Number
CN202520584805.9
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

Technical Problem

Existing furnace roller thermal spraying equipment lacks side clamping anti-rolling function, which affects the uniformity of spraying, and it is especially difficult to achieve effective positioning of the rollers in batch continuous operation.

Method used

A furnace roller thermal spraying device with a clamping mechanism was designed, including an adjustable clamping assembly and a height-adjustable spray gun. The device achieves side clamping, anti-rolling and anti-tipping functions of the furnace roller through components such as servo motors, electric cylinders and ball screws, and the height position of the spray gun can be adjusted.

Benefits of technology

It achieves side clamping of the furnace rollers to prevent rolling, ensuring uniform spraying, and supports convenient roller flipping and flexible adjustment of spray gun height, improving the efficiency and quality of spraying operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a furnace roller thermal spraying device with a clamping mechanism, and relates to the technical field of thermal spraying devices, the furnace roller thermal spraying device comprises a bottom bearing frame, an upper shell is arranged above the bottom bearing frame, the bottom end of a lead screw bearing sliding block is fixedly connected with a thermal spraying gun, and the bottom end of the lead screw bearing sliding block is fixedly connected with a clamping mechanism. An adjustable clamping assembly facilitating clamping of the furnace roller is arranged at the top end of the bottom bearing frame. The furnace roller thermal spraying device with the clamping mechanism is provided with a concave frame, a sliding rail, a supporting table and a pressing plate, when the furnace roller thermal spraying device with the clamping mechanism is used, the two ends of a furnace roller are pressed on the supporting table, a first electric cylinder retracts, the pressing plate is pressed downwards, a central pressing block and a side edge pressing block in a pressing groove are pressed on a shaft rod of the furnace roller, and a bottom supporting wheel below supports the furnace roller; and the second electric cylinder extends or retracts, so that the supporting table can be adjusted along the sliding rail and the sliding rod in a displacement mode, the supporting table can be matched with rollers of different lengths, the side edge clamping and anti-rolling function is achieved, and the problem that the device does not have the side edge clamping and anti-rolling function is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to hot spraying device technical field, concretely is a furnace roller hot spraying device with clamping mechanism. BACKGROUND

[0002] Furnace roller is also called furnace bottom roller, and is a large-diameter roller used in a continuous annealing production line, and the temperature of a furnace chamber is usually 850 DEG C-1200 DEG C, and the furnace roller is usually a heat-resistant alloy steel open-web roller, and the surface of the furnace roller needs to be treated by hot spraying in a production process.

[0003] Hot spraying refers to that coating material is heated and melted, and the material is atomized into extremely fine particles by high-speed airflow, and the particles are sprayed to the surface of a workpiece at a very high speed to form a coating, and the furnace roller treated by hot spraying can greatly improve heat resistance and wear resistance, and currently, hot spraying of the furnace roller is usually manually performed by a spraying gun, and conveying line conveying operation is adopted in part of machine spraying, the surface of the roller is smooth, and the roller lacks clamping and limiting during the spraying operation, and especially during batch continuous operation, the uniformity of spraying is easily affected, and the roller does not have the function of side clamping and anti-rolling.

[0004] Now, a new furnace roller hot spraying device with a clamping mechanism is provided to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a furnace roller hot spraying device with a clamping mechanism to solve the problem of lacking the function of side clamping and anti-rolling in the background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a furnace roller hot spraying device with a clamping mechanism, including bottom bearing frame, the top of bottom bearing frame is provided with upper casing, the left and right sides of upper casing are respectively installed with second servo motor, the both sides in the inside of upper casing are transversely movably connected with ball screw, two groups of optical axes are transversely fixedly connected between the both sides in the inside of upper casing, the outside of ball screw and optical axis is sleeved with screw bearing sliding block, the bottom end of screw bearing sliding block is fixedly connected with hot spraying gun, the right side of bottom bearing frame is fixedly connected with controller, the four corners of the top of bottom bearing frame are respectively vertically fixedly connected with limiting support frame, the both sides of two groups of limiting support frame are provided with sliding plate, the inside of limiting support frame is installed with third electric cylinder, the top of bottom bearing frame is provided with adjustable clamping assembly convenient for clamping furnace roller.

[0007] The adjustable clamping assembly comprises two groups of concave frames fixedly connected at the two sides of the top of the bottom bearing frame, two groups of slide rails fixedly connected horizontally at the bottom of the concave frame, a supporting table arranged above the slide rail, a sliding block fixedly connected at the front end and the rear end of the bottom of the supporting table, two groups of sliding sleeves arranged horizontally in the supporting table, two groups of slide rods fixedly connected horizontally between the two sides of the concave frame, a first electric cylinder installed at the inner part of the front end and the rear end of the top of the supporting table, a pressing plate arranged above the supporting table, a pressing groove arranged at the middle position of the bottom end of the pressing plate, a central pressing block movably connected at the top of the pressing groove, two groups of side pressing blocks obliquely installed at the front end and the rear end of the pressing groove, a bottom pre-groove arranged at the middle position of the top of the supporting table, two groups of bottom supporting wheels movably connected between the front end and the rear end of the bottom pre-groove, two groups of first servo motors installed at the inner side of the supporting table, and two groups of second electric cylinders installed at the outer side of the concave frame.

[0008] As a further technical scheme of the utility model, the slide rail and the sliding block are matched, the inner diameter of the sliding sleeve and the outer diameter of the slide rod are matched.

[0009] As a further technical scheme of the utility model, the output end of the first electric cylinder is connected with the bottom end of the pressing plate, and the side pressing blocks are symmetrically distributed about the vertical center line of the supporting table.

[0010] As a further technical scheme of the utility model, the output end of the first servo motor is connected with the bottom supporting wheel, the output end of the second electric cylinder is connected with the supporting table, and the first electric cylinder, the first servo motor, the second electric cylinder and the controller are electrically connected.

[0011] As a further technical scheme of the utility model, the output end of the third electric cylinder is connected with the bottom end of the sliding plate, and the sliding plate can slide up and down along the inside of the limiting support frame.

[0012] As a further technical scheme of the utility model, the left side and the right side of the upper shell are fixedly connected with the sliding plate, and the third electric cylinder, the second servo motor and the controller are electrically connected.

[0013] Compared with the prior art, the furnace roller thermal spraying device with the clamping mechanism has the advantages that the device not only realizes the functions of side clamping and anti-rolling, but also realizes the functions of facilitating the turning of the roller and the adjustment of the height position of the spray gun.

[0014] (1) by setting recessed frame, slide rail, table, slider, sliding sleeve, slide rod, first electric cylinder, pressing plate, pressing groove, central pressing block, side pressing block, bottom pre-slot, bottom supporting wheel, first servo motor and second electric cylinder, when using, pump pipe, fuel pipe and powder particle material conveying pipe access thermal spraying gun, fuel is fully burned in the thermal spraying gun to produce heat, heat the powder to hot melt state, under the push of high pressure gas, hot melt powder is sprayed downward, the furnace roller is thermal sprayed, the two ends of the furnace roller are pressed on the table, the first electric cylinder retracts, the pressing plate is pressed down, the central pressing block and the side pressing block in the pressing groove are pressed on the shaft of the furnace roller, the bottom supporting wheel supports the furnace roller, according to the length of the furnace roller, the second electric cylinder extends or retracts, so that the table can be displaced along the slide rail and the slide rod, different length rollers can be matched, and the side clamping anti-rolling function is realized;

[0015] (2) by setting bottom pre-slot, bottom supporting wheel and first servo motor, in the thermal spraying process, when the roller needs to be turned over, the first electric cylinder extends, the pressing plate is lifted, the central pressing block and the side pressing block in the pressing groove are separated from the shaft of the furnace roller, the two groups of first servo motors drive the bottom supporting wheel to rotate continuously, the furnace roller is turned over, and the function of facilitating the turning over of the roller is realized;

[0016] (3) by setting the limiting support frame, the sliding plate, the third electric cylinder, the second servo motor, the upper shell, the ball screw, the optical axis and the screw bearing sliding block, when using, according to the diameter of the furnace roller, the height of the thermal spraying gun is adjusted, the third electric cylinder extends or retracts, so as to drive the sliding plate to slide up and down along the limiting support frame, the second servo motor drives the ball screw to rotate continuously, and the screw bearing sliding block can slide left and right along the ball screw and the optical axis, so as to adjust the spraying position, and the function of adjusting the height position of the gun is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structure schematic diagram of the utility model;

[0018] Figure 2 It is a table side view partial section enlarged structure schematic diagram of the utility model;

[0019] Figure 3 It is a table top view enlarged structure schematic diagram of the utility model;

[0020] Figure 4 It is a limiting support frame side view partial section structure schematic diagram of the utility model.

[0021] In the figure: 1, the bottom bearing frame; 2, the concave frame; 3, the slide rail; 4, the support table; 5, the sliding block; 6, the sliding sleeve; 7, the slide rod; 8, the first electric cylinder; 9, the pressing plate; 10, the pressing groove; 11, the central pressing block; 12, the side pressing block; 13, the bottom pre-slotted; 14, the bottom supporting wheel; 15, the first servo motor; 16, the second electric cylinder; 17, the limiting support frame; 18, the sliding plate; 19, the third electric cylinder; 20, the second servo motor; 21, the upper shell; 22, the ball screw; 23, the optical axis; 24, the screw bearing sliding block; 25, the thermal spraying gun; 26, the controller. DETAILED DESCRIPTION

[0022] 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 protection scope of the utility model.

[0023] Embodiment: please refer to Figures 1-4 A furnace roller thermal spraying device with a clamping mechanism, comprising a bottom bearing frame 1, the upper shell 21 is arranged above the bottom bearing frame 1, the second servo motor 20 is installed on the left and right sides of the upper shell 21 respectively, the ball screw 22 is movably connected between the two sides inside the upper shell 21, the two groups of optical axes 23 are fixedly connected between the two sides inside the upper shell 21, the screw bearing sliding block 24 is sleeved outside the ball screw 22 and the optical axis 23, the thermal spraying gun 25 is fixedly connected to the bottom end of the screw bearing sliding block 24, the controller 26 is fixedly connected to the right side of the bottom bearing frame 1, and the adjustable clamping assembly for clamping the furnace roller is arranged at the top of the bottom bearing frame 1.

[0024] Please refer to Figures 1-4The furnace roller thermal spraying device with the clamping mechanism further comprises an adjustable clamping assembly, the adjustable clamping assembly comprises two groups of concave frames 2, the two groups of concave frames 2 are fixedly connected at two sides of the top of the bottom bearing frame 1 respectively, two groups of slide rails 3 are fixedly connected horizontally at the bottom of the concave frame 2, a supporting table 4 is arranged above the slide rail 3, slide blocks 5 are fixedly connected at the front and rear ends of the bottom of the supporting table 4 respectively, two groups of sliding sleeves 6 are arranged horizontally in the inside of the supporting table 4, two groups of slide rods 7 are fixedly connected horizontally between the two sides of the inside of the concave frame 2, first electric cylinders 8 are installed at the inside of the front and rear ends of the top of the supporting table 4 respectively, a pressing plate 9 is arranged above the supporting table 4, a pressing groove 10 is arranged at the middle position of the bottom end of the pressing plate 9, a central pressing block 11 is movably connected at the top of the inside of the pressing groove 10, two groups of side pressing blocks 12 are obliquely installed at the front and rear ends of the inside of the pressing groove 10 respectively, a bottom pre-opening groove 13 is arranged at the middle position of the top of the supporting table 4, two groups of bottom supporting wheels 14 are movably connected between the front and rear ends of the inside of the bottom pre-opening groove 13, two groups of first servo motors 15 are installed at the inner side of the supporting table 4, and two groups of second electric cylinders 16 are installed at the outer side of the concave frame 2.

[0025] The slide rail 3 is matched with the slide block 5, the inner diameter of the sliding sleeve 6 is matched with the outer diameter of the slide rod 7, the output end of the first electric cylinder 8 is connected with the bottom end of the pressing plate 9, and the side pressing blocks 12 are symmetrically distributed about the vertical center line of the supporting table 4, so that the roller part is conveniently clamped.

[0026] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , the two ends of the furnace roller are pressed on the supporting table 4, the first electric cylinder 8 is retracted, the pressing plate 9 is pressed downward, the central pressing block 11 and the side pressing blocks 12 in the pressing groove 10 press the shaft of the furnace roller, the bottom supporting wheel 14 supports the furnace roller, according to the length of the furnace roller, the second electric cylinder 16 is extended or retracted, so that the supporting table 4 is displaced and adjusted along the slide rail 3 and the slide rod 7, and different lengths of the roller part can be matched.

[0027] The output end of the first servo motor 15 is connected with the bottom supporting wheel 14, the output end of the second electric cylinder 16 is connected with the supporting table 4, and the first electric cylinder 8, the first servo motor 15, the second electric cylinder 16 and the controller 26 are electrically connected, so that the roller part is conveniently turned over.

[0028] Specifically, as shown in Figure 2 and Figure 3 , the pressing plate 9 is lifted, the central pressing block 11 and the side pressing blocks 12 in the pressing groove 10 are separated from the shaft of the furnace roller, the two groups of first servo motors 15 drive the bottom supporting wheel 14 to continuously rotate, and the furnace roller is turned over, the first electric cylinder 8, the first servo motor 15, the second electric cylinder 16 and the controller 26 are electrically connected, and this technology is prior art, so it will not be repeated.

[0029] The bottom bearing frame 1 is vertically fixedly connected with a limiting support frame 17 at each of four corners of the top of the bottom bearing frame 1, sliding plates 18 are arranged between the two groups of limiting support frames 17, a third electric cylinder 19 is installed in the limiting support frame 17, the output end of the third electric cylinder 19 is connected with the bottom end of the sliding plate 18, the sliding plate 18 can slide up and down along the inside of the limiting support frame 17, the left and right sides of an upper shell 21 are fixedly connected with the sliding plate 18, the third electric cylinder 19, a second servo motor 20 and a controller 26 are electrically connected, so that the height and position of the spray gun can be conveniently adjusted;

[0030] Specifically, as shown in Figure 1 and Figure 4 , the third electric cylinder 19 extends or retracts, thereby driving the sliding plate 18 to slide up and down along the inside of the limiting support frame 17, the second servo motor 20 continuously drives the ball screw 22 to rotate, and the screw bearing sliding block 24 can slide left and right along the ball screw 22 and the optical axis 23, so that the spraying position can be adjusted, the third electric cylinder 19, the second servo motor 20 and the controller 26 are electrically connected, and this technology is prior art, so no further description is given.

[0031] Working principle: when the utility model is in use, firstly, the pump air pipe, the fuel pipe and the powder particle material conveying pipe are connected to the thermal spraying spray gun 25, fuel is fully burned in the thermal spraying spray gun 25 to generate heat, powder is heated to a hot melt state, under the pushing of high-pressure gas, the hot melt powder is sprayed downward to perform thermal spraying on the furnace roller below, the two ends of the furnace roller are pressed on the supporting table 4, the first electric cylinder 8 retracts, the pressing plate 9 presses downward, the central pressing block 11 and the side pressing block 12 in the pressing groove 10 are pressed on the shaft of the furnace roller, the bottom supporting wheel 14 below supports the furnace roller, according to the length of the furnace roller, the second electric cylinder 16 extends or retracts, thereby enabling the supporting table 4 to displace and adjust along the slide rail 3 and the slide rod 7, so that different lengths of roller parts can be matched. During the thermal spraying process, when the roller part needs to be turned over, the first electric cylinder 8 extends, the pressing plate 9 is lifted upward, the central pressing block 11 and the side pressing block 12 in the pressing groove 10 are separated from the shaft of the furnace roller, the two groups of first servo motors 15 continuously drive the bottom supporting wheel 14 to rotate, the furnace roller is turned over, the height of the thermal spraying spray gun 25 is adjusted according to the diameter of the furnace roller, the third electric cylinder 19 extends or retracts, thereby driving the sliding plate 18 to slide up and down along the inside of the limiting support frame 17, the second servo motor 20 continuously drives the ball screw 22 to rotate, and the screw bearing sliding block 24 can slide left and right along the ball screw 22 and the optical axis 23, so that the spraying position can be adjusted.

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A furnace roller thermal spraying device with a clamping mechanism, comprising a bottom carrier (1), characterized in that: The upper part of the bottom carrier (1) is provided with an upper shell (21), the left and right sides of the upper shell (21) are respectively provided with a second servo motor (20), the two sides of the inside of the upper shell (21) are transversely movably connected with a ball screw (22), the two sides of the inside of the upper shell (21) are transversely fixedly connected with two groups of optical shafts (23), the outside of the ball screw (22) and the optical shaft (23) is sleeved with a screw bearing sliding block (24), the bottom end of the screw bearing sliding block (24) is fixedly connected with a thermal spraying spray gun (25), the right side of the bottom carrier (1) is fixedly connected with a controller (26), the four corners of the top of the bottom carrier (1) are respectively vertically fixedly connected with a limiting support frame (17), the two groups of limiting support frames (17) are provided with a sliding plate (18), the inside of the limiting support frame (17) is provided with a third electric cylinder (19), the top of the bottom carrier (1) is provided with an adjustable clamping assembly for clamping the furnace roller; The adjustable clamping assembly comprises two groups of concave frames (2), the two groups of concave frames (2) are respectively fixedly connected on the two sides of the top of the bottom carrier (1), the bottom end of the inside of the concave frame (2) is transversely fixedly connected with two groups of slide rails (3), the upper part of the slide rail (3) is provided with a supporting table (4), the front and rear ends of the bottom of the supporting table (4) are respectively fixedly connected with slide blocks (5), the inside of the supporting table (4) is transversely provided with two groups of sliding sleeves (6), the two sides of the inside of the concave frame (2) are transversely fixedly connected with two groups of slide rods (7), the inside of the front and rear ends of the top of the supporting table (4) is respectively provided with a first electric cylinder (8), the upper part of the supporting table (4) is provided with a pressing plate (9), the bottom end of the pressing plate (9) is provided with a pressing groove (10) at the middle position, the top end of the inside of the pressing groove (10) is movably connected with a central pressing block (11), the front and rear ends of the inside of the pressing groove (10) are respectively obliquely provided with two groups of side pressing blocks (12), the middle position of the top of the supporting table (4) is provided with a bottom pre-groove (13), the front and rear ends of the inside of the bottom pre-groove (13) are movably connected with two groups of bottom supporting wheels (14), the inner side of the supporting table (4) is provided with two groups of first servo motors (15), the outer side of the concave frame (2) is provided with two groups of second electric cylinders (16).

2. A furnace roller thermal spray apparatus having a clamping mechanism according to claim 1, characterized in that: The slide rail (3) and the slide block (5) are matched, the inner diameter of the sliding sleeve (6) and the outer diameter of the slide rod (7) are matched.

3. A furnace roller thermal spray apparatus having a clamping mechanism as defined in claim 1, wherein: The output end of the first electric cylinder (8) is connected with the bottom end of the pressing plate (9), the side pressing blocks (12) are symmetrically distributed about the vertical center line of the supporting table (4).

4. A furnace roller thermal spray apparatus having a clamping mechanism as defined in claim 1, wherein: The output end of the first servo motor (15) is connected with the bottom supporting wheel (14), the output end of the second electric cylinder (16) is connected with the supporting table (4), the first electric cylinder (8), the first servo motor (15), the second electric cylinder (16) and the controller (26) are electrically connected.

5. A furnace roller thermal spray apparatus having a clamping mechanism as defined in claim 1, wherein: The output end of the third electric cylinder (19) is connected with the bottom end of the sliding plate (18), and the sliding plate (18) can slide up and down along the inside of the limiting support frame (17).

6. A furnace roller thermal spray apparatus having a clamping mechanism as defined in claim 1, wherein: The left and right sides of the upper shell (21) are respectively fixedly connected with the sliding plates (18), and the third electric cylinder (19), the second servo motor (20) and the controller (26) are electrically connected.