Groove grinding device for steel plate welding

Abstract

The utility model relates to the technical field of steel structure machining, in particular to a groove grinding device for steel plate welding, which comprises a handle, a grinding wheel and a semicircular baffle disc, a driving part for driving the grinding wheel to rotate is arranged in the handle, and the semicircular baffle disc is mounted between the handle and the grinding wheel and positioned on one side, close to the handle, of the grinding wheel. A movable blocking cover is detachably installed at the opening end of the semicircular blocking disc, material blocking ripping fences are arranged on the outer contours of the movable blocking cover and the semicircular blocking disc, the end faces of the sides, close to the grinding wheel, of the material blocking ripping fences do not exceed the non-working face of the grinding wheel, and a plurality of magnets used for attracting steel scraps are arranged on the surfaces of the sides, close to the grinding wheel, of the movable blocking cover and the semicircular blocking disc. The problems that when a bevel slope of a traditional steel plate is polished before welding, a worker needs to hold an angle grinder by hand for operation, waste chips generated during polishing are likely to splash to the worker, the worker is damaged, and potential safety hazards exist are solved.

Description

Technical Field

[0001] The present application relates to the technical field of steel structure processing, and specifically discloses a groove grinding device used for steel plate welding. Background Art

[0002] In steel structure welding operations, a groove is usually opened at the weld position of the plate after cutting to ensure the welding quality. When opening the groove, flame cutting is used to cut a groove bevel that meets the design angle on the thickness side of the steel plate. Usually, the weld groove includes five polished surfaces, including the upper surface, upper bevel, blunt edge, lower bevel and lower surface. After the groove is cut, it needs to be polished to eliminate defects such as oxides on the groove bevel and pits formed during cutting, so that the groove surface presents a metallic luster to ensure the subsequent welding quality.

[0003] When grinding the groove of the existing steel plate, manual grinding is usually adopted. During the grinding process, the worker needs to hold the angle grinder to grind the groove surface of the steel plate weld. During the grinding process, waste chips of the steel plate will be generated. Due to the high-speed working state of the angle grinder, the waste chips will fly everywhere at the grinding site. Although the existing angle grinder has a semicircular baffle plate on the part of the grinding wheel close to the hand-held part, which not only blocks the waste chips from flying onto the worker's hand, but also does not affect the disassembly and assembly of the grinding wheel, the semicircular baffle plate cannot prevent the waste chips from flying out from the top of the grinding wheel, so that the waste chips are still easy to fly onto the worker's body, and even onto important parts such as the mouth, nose, and eyes, causing damage to the worker, posing a safety hazard. Therefore, in view of this, the inventor provides a groove grinding device for steel plate welding to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the problem that in the traditional process of grinding the bevel of the steel plate before welding, workers need to hold an angle grinder to perform the operation, and the waste chips generated by the grinding are easily splashed onto the workers and cause injuries to the workers, which poses a safety hazard.

[0005] In order to achieve the above-mentioned purpose, the basic scheme of the utility model provides a groove grinding device for steel plate welding, comprising a handle, a grinding wheel rotatably connected to the side of one end of the handle and used for grinding the groove bevel, and a semicircular baffle plate arranged at the side of one end of the handle and used to prevent waste chips from splashing in the direction of the handle. The handle is provided with a driving member for driving the grinding wheel to rotate, the semicircular baffle plate is installed between the handle and the grinding wheel and is located on the side of the grinding wheel close to the handle, and the open end of the semicircular baffle plate is detachably installed with a movable baffle cover for preventing waste chips from splashing to the side of the grinding wheel away from the handle, the outer contours of the movable baffle cover and the semicircular baffle plate are both provided with a material baffle plate, the end face of the material baffle plate on the side close to the grinding wheel does not exceed the non-working surface of the grinding wheel, and the movable baffle cover and the semicircular baffle plate are both provided with a plurality of magnets on the surface of the side close to the grinding wheel for absorbing steel chips.

[0006] The principles and effects of this basic solution are:

[0007] 1. Compared with the prior art, the utility model provides a semicircular baffle plate and a movable baffle cover, which is convenient for all-round protection of the outer side of the grinding wheel, thereby preventing waste chips generated during the grinding process from splashing out from all sides of the grinding wheel, and blocking the waste chips inside the semicircular baffle plate and the movable baffle cover, thereby preventing the waste chips from splashing outward and preventing the waste chips from splashing onto the workers, thereby improving the safety of the workers' operations. By providing a detachable connection between the movable baffle cover and the semicircular baffle plate, not only can the waste chips be blocked from splashing when the grinding wheel is working, but the movable baffle cover can also be removed after the grinding wheel stops working, thereby providing sufficient space for disassembling the grinding wheel, thereby facilitating the disassembly and assembly of the grinding wheel, and solving the problem that when the traditional steel plate is ground on the bevel of the groove before welding, the worker needs to hold the angle grinder to operate, and the waste chips generated by grinding are easily splashed onto the worker and cause injuries to the worker, thereby posing a safety hazard.

[0008] 2. Compared with the prior art, the utility model arranges magnets on the inner side of the semicircular baffle plate and the movable baffle cover to facilitate the absorption of flying waste chips in the semicircular baffle plate and the movable baffle cover, thereby achieving the purpose of collecting waste chips, reducing the cleaning work of workers in the later stage of grinding operation, and greatly improving the efficiency of grinding operation.

[0009] Furthermore, the driving member includes a motor detachably mounted inside the handle, the grinding wheel is coaxially connected to the output end of the motor, and a power cable connected to the motor is also passed through the end of the handle away from the grinding wheel. By providing a motor, it is convenient to drive the rotation of the grinding wheel, thereby realizing the grinding operation of the groove bevel of the steel plate welding, and by providing a power cable, it is convenient to connect the power to the grinding wheel and use it at any time. Compared with traditional batteries, the battery life is longer, which improves the efficiency of the grinding operation.

[0010] Furthermore, a protective cover for accommodating the worker's hand is provided on the side of the handle, and the open end of the protective cover faces the end of the handle away from the grinding wheel. By providing the protective cover, it is convenient to provide protection for the worker's hand from the splash of waste chips. Compared with the traditional method of workers wearing gloves and holding the angle grinder for grinding, the protective cover can more directly block the splash of waste chips for the worker, and at the same time, it can also allow the worker's hand to more conveniently grasp and control the grinding depth and direction of the handle, which is more convenient to use.

[0011] Furthermore, one end surface of the grinding wheel is provided with a fixed shaft rotatably connected to the output end of the motor, and the movable baffle cover and the center of the semicircular baffle plate are provided with a semicircular groove for allowing the fixed shaft to pass through. The semicircular groove is provided to facilitate the installation and use of the grinding wheel.

[0012] Furthermore, the movable shield includes a semicircular movable disk that can form a full circle with the semicircular baffle plate and a fan-shaped shield arranged on the outer peripheral side of the semicircular movable disk, the ratio of the radius of the fan-shaped shield to the radius of the semicircular movable disk is not less than 3, one end of the semicircular movable disk is hinged to one end of the semicircular baffle plate, and the other end of the semicircular movable disk and the other end of the semicircular baffle plate are provided with a clamping piece for adjusting the opening and closing of the semicircular movable disk. By providing the semicircular movable disk and the fan-shaped shield, it is convenient to connect with the semicircular baffle plate and to disassemble and install the movable shield itself, and it can also block the flying waste chips in a large range, which is convenient to use.

[0013] Furthermore, the clamping member includes a clamping seat arranged on the outside of one end of the semicircular baffle plate, a clamping block arranged on the outside of one end of the semicircular movable plate, a stud fixed on the side of the clamping seat close to the clamping block, a limiting through groove arranged on the side of the clamping block, and a locking nut detachably connected to the stud thread and located on the side of the clamping block away from the clamping seat, and the limiting through groove is a U-shaped through groove structure with the open end facing the side end face of the clamping block. By setting the threaded connection between the locking nut and the stud, it is convenient to detachably connect the thread of the clamping block of the semicircular movable plate, thereby realizing the adjustment and control of the rotation or clamping of the movable baffle cover, thereby facilitating the disassembly and assembly of the grinding wheel, and by setting the limiting through groove as a U-shaped through groove structure, it is avoided that the clamping block will not interfere with the stud when the movable baffle cover rotates. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 A schematic diagram of the overall structure of a groove grinding device for steel plate welding proposed in an embodiment of the present application is shown in a state where a movable shield is opened;

[0016] Figure 2 A schematic diagram of the overall structure of a groove grinding device for steel plate welding proposed in an embodiment of the present application is shown in a state where a movable baffle is engaged;

[0017] Figure 3 A schematic structural diagram of a clamping member of a groove grinding device for steel plate welding proposed in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0018] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0019] The figure marks in the drawings of the specification include: handle 1, grinding wheel 2, semicircular baffle plate 3, movable baffle cover 4, material baffle plate 5, magnet 6, power cable 7, protective cover 8, fixed shaft 9, semicircular groove 10, semicircular movable disk 11, fan-shaped baffle cover 12, snap-on seat 13, snap-on block 14, stud 15, locking nut 16, and limiting through slot 17.

[0020] A groove grinding device for steel plate welding, for example Figure 1 and Figure 2 As shown: it includes a handle 1, a grinding wheel 2 rotatably connected to one side of the top end of the handle 1 and used for grinding the bevel of the groove, and a semicircular baffle plate 3 arranged on the side of one end of the handle 1 and used to block waste chips from splashing in the direction of the handle 1. A driving member is provided inside the handle 1 for driving the grinding wheel 2 to rotate. The semicircular baffle plate 3 is installed between the handle 1 and the grinding wheel 2 and is located on the side of the grinding wheel 2 close to the handle 1. The open end of the semicircular baffle plate 3 is detachably installed with a movable baffle cover 4 for blocking waste chips from splashing to the side of the grinding wheel 2 away from the handle 1. The outer contours of the movable baffle cover 4 and the semicircular baffle plate 3 are both provided with a material baffle plate 5. The end surface of the material baffle plate 5 on the side close to the grinding wheel 2 does not exceed the non-working surface of the grinding wheel 2. The movable baffle cover 4 and the semicircular baffle plate 3 on the side close to the grinding wheel 2 are both provided with a large number of magnets 6 for absorbing steel chips. Among them, the magnet 6 includes but is not limited to a neodymium iron boron magnet 6 with strong magnetic force.

[0021] Among them, Figure 1 and Figure 2 As shown, the driving member includes a motor detachably mounted inside the handle 1, the grinding wheel 2 is coaxially connected to the output end of the motor, and an electric cable 7 connected to the motor is also passed through the end of the handle 1 away from the grinding wheel 2. A protective cover 8 for accommodating a worker's hand is provided on the side of the handle 1, and the open end of the protective cover 8 faces the end of the handle 1 away from the grinding wheel 2.

[0022] Among them, Figure 1 and Figure 2 As shown, one side end face of the grinding wheel 2 is provided with a fixed shaft 9 rotatably connected to the output end of the motor, and the movable baffle 4 and the semicircular baffle plate 3 are provided with a semicircular groove 10 at the center of the circle for accommodating the fixed shaft 9 to pass through. The movable baffle 4 includes a semicircular movable disk 11 which can form a full circle with the semicircular baffle plate 3, and a fan-shaped baffle 12 provided on the outer peripheral side of the semicircular movable disk 11, and the ratio of the radius of the fan-shaped baffle 12 to the radius of the semicircular movable disk 11 is not less than 3, and the coverage range of the fan-shaped baffle 12 can be determined according to the specific construction environment and construction requirements. One end of the semicircular movable disk 11 is hinged to one end of the semicircular baffle plate 3, and the other end of the semicircular movable disk 11 and the other end of the semicircular baffle plate 3 are provided with a clamping piece for adjusting the opening and closing of the semicircular movable disk 11, as shown in FIG. Figure 3 As shown, the clamping member includes a clamping seat 13 arranged on the outside of one end of the semicircular baffle plate 3, a clamping block 14 arranged on the outside of one end of the semicircular movable plate 11, a stud 15 fixedly arranged on the side of the clamping seat 13 close to the clamping block 14, a limiting groove 17 arranged on the side of the clamping block 14 and a locking nut 16 which is threadably connected to the stud 15 and is located on the side of the clamping block 14 away from the clamping seat 13. The limiting groove 17 is a U-shaped groove structure with the open end facing the side end face of the clamping block 14.

[0023] In the specific implementation process of the present invention, the worker's hand extends into the protective cover 8 and holds the outer peripheral side of the handle 1, and the power cable 7 is connected to the power supply to energize the motor. The rotation of the motor drives the fixed shaft 9 and the grinding wheel 2 to rotate. The worker holds the handle 1 and makes the grinding wheel 2 approach the groove bevel of the steel plate to be ground and grinds on the groove bevel. After the groove bevel is ground to the required surface smoothness, the power cable 7 is disconnected, so that the motor and the grinding wheel 2 stop rotating; during the grinding process, the grinding wheel 2 grinds off the steel plate. The waste chips splash around the grinding wheel 2, and due to the setting of the semicircular movable disk 11 and the semicircular baffle plate 3 with a larger coverage area, the splashed waste chips are directly splashed to the inner side of the fan-shaped baffle cover 12 and the semicircular baffle plate 3, and are attracted by the magnet 6 arranged on the inner sides of the two. When the grinding wheel 2 needs to be disassembled after the grinding is completed, the locking nut 16 is removed from the stud 15 by rotating the locking nut 16, and then the movable baffle cover 4 is rotated to remove the grinding wheel 2. After the grinding is completed, the waste chips adsorbed on the magnet 6 can be scraped off and collected for secondary utilization.

[0024] The utility model discloses the ...

[0025] At the same time, the utility model arranges magnets 6 on the inner sides of the semicircular baffle plate 3 and the movable baffle cover 4 to facilitate the absorption of splashing waste chips in the semicircular baffle plate 3 and the movable baffle cover 4, thereby achieving the purpose of collecting waste chips, reducing the cleaning work of workers in the later stage of grinding operations, and greatly improving the efficiency of grinding operations.

[0026] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A groove grinding device for steel plate welding, characterized in that: The invention comprises a handle, a grinding wheel rotatably connected to the side of one end of the handle and used for grinding the inclined surface of the groove, and a semicircular baffle plate arranged at the side of one end of the handle and used for blocking waste chips from splashing in the direction of the handle. A driving member for driving the grinding wheel to rotate is arranged inside the handle, and the semicircular baffle plate is installed between the handle and the grinding wheel and is located on the side of the grinding wheel close to the handle. A movable baffle cover for blocking waste chips from splashing to the side of the grinding wheel away from the handle is detachably installed at the open end of the semicircular baffle plate. The outer contours of the movable baffle cover and the semicircular baffle plate are both provided with a material baffle plate. The end surface of the material baffle plate on the side close to the grinding wheel does not exceed the non-working surface of the grinding wheel. The movable baffle cover and the semicircular baffle plate are both provided with a plurality of magnets for absorbing steel chips on the surface of the side close to the grinding wheel.

2. A groove grinding device for steel plate welding according to claim 1, characterized in that: The driving member comprises a motor detachably mounted inside the handle, the grinding wheel is coaxially connected to the output end of the motor, and an electric cable connected to the motor is also passed through one end of the handle away from the grinding wheel.

3. The groove grinding device for steel plate welding according to claim 2, characterized in that: A protective cover for accommodating a worker's hand is provided on the side of the handle, and an opening end of the protective cover faces an end of the handle away from the grinding wheel.

4. A groove grinding device for steel plate welding according to any one of claims 1 to 3, characterized in that: One end surface of the grinding wheel is provided with a fixed shaft rotatably connected to the output end of the motor, and the centers of the movable baffle cover and the semicircular baffle plate are both provided with semicircular grooves for allowing the fixed shaft to pass through.

5. The groove grinding device for steel plate welding according to claim 4, characterized in that: The movable baffle cover includes a semicircular movable disk that can form a full circle with the semicircular baffle plate and a fan-shaped baffle cover arranged on the outer peripheral side of the semicircular movable disk, the ratio of the radius of the fan-shaped baffle cover to the radius of the semicircular movable disk is not less than 3, one end of the semicircular movable disk is hinged to one end of the semicircular baffle plate, and the other end of the semicircular movable disk and the other end of the semicircular baffle plate are provided with a clamping piece for adjusting the opening and closing of the semicircular movable disk.

6. The groove grinding device for steel plate welding according to claim 5, characterized in that: The clamping part includes a clamping seat arranged on the outside of one end of a semicircular baffle, a clamping block arranged on the outside of one end of a semicircular movable plate, a stud fixed on a side of the clamping seat close to the clamping block, a limiting through groove arranged on the side of the clamping block, and a locking nut detachably connected to the stud thread and located on the side of the clamping block away from the clamping seat, and the limiting through groove is a U-shaped through groove structure with an open end facing the side end face of the clamping block.

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