Hand-push welding bead grinding device convenient and fast to use

Abstract

The utility model relates to the technical field of steel structure machining equipment, in particular to a hand-push convenient weld bead grinding device, which is characterized in that a transmission shaft for rotating is movably connected to the front side wall body of a support frame, and fan blades for accelerating air flow in a dustproof box and absorbing dust are fixedly mounted at the front end of the transmission shaft; a second belt pulley used for being connected with a polishing device through a belt is fixedly installed on a shaft body of the transmission shaft, and a dust discharging pipe used for discharging dust in the dustproof box is fixedly installed on the left side wall body of the dustproof box. A driving motor works to drive an abrasive belt to rotate and grind a welding bead, under belt connection of a second belt wheel and a first belt wheel, a transmission shaft rotates synchronously, fan blades can be driven to rotate, and dust generated by grinding can be conveyed into a dust removal pipe through a through hole and a dust discharging opening. And finally, the dust is discharged into the dust removal box through the dust removal opening, so that the environmental pollution caused by dust generated when the steel plate weld bead is polished can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure processing equipment, in particular to a hand-pushed convenient welding bead grinding device. Background Art

[0002] During the processing of steel structures, welding is often performed on the surface of the steel plates of the steel structures. In order not to affect the quality of the welds during the welding process, the weld surface of the steel plates of the steel structures needs to be polished in advance to ensure the quality of the welds.

[0003] The existing hand-push weld bead grinding device will generate a lot of dust during the process of grinding the weld bead surface. The dust generated during the process of grinding the weld bead surface will pollute the environment and also affect the health of the grinding operator, making the grinding operator prone to occupational diseases. Utility Model Content

[0004] In order to solve the problem that the existing hand-push weld bead grinding device will generate a lot of dust during the grinding process of the weld bead surface, which will pollute the environment and affect the health of the grinding operator, making the grinding operator prone to occupational diseases, the utility model provides the following technical solutions:

[0005] A hand-pushed convenient weld grinding device comprises a base plate, a grinding device for grinding steel plate welds is arranged on the top of the base plate, a dust box for collecting dust generated by the grinding device during grinding is fixedly installed on the front side wall of the base plate, a dust exhaust device for discharging dust in the dust box is arranged on the left side of the grinding device, and a dust removal box for absorbing dust from the dust exhaust device is arranged on the front side of the dust exhaust device.

[0006] The dust exhaust device includes a support frame fixedly mounted on the top of the base plate, a transmission shaft for rotation movably connected to the front side wall of the support frame, a fan blade for accelerating the air flow in the dust box and absorbing dust is fixedly mounted at the front end of the transmission shaft, a pulley 2 for connecting with a grinding device by a belt is fixedly mounted on the shaft body of the transmission shaft, a dust exhaust pipe for discharging dust in the dust box is fixedly mounted on the left side wall of the dust box, and the fan blade rotates in the dust exhaust pipe and absorbs the dust in the dust box into the dust removal box.

[0007] Furthermore, a dust removal port for conveying dust in the dustproof box to the dust removal box is provided on the front side of the dust exhaust pipe, and the dust removal port passes through the rear side wall of the dust removal box.

[0008] Furthermore, the grinding device includes a sanding belt roller 1 for rotation arranged in a dustproof box, a driving component for driving the driving component to rotate is arranged on the rear side of the sanding belt roller 1, a sanding belt roller 2 for rotation is arranged on the right side of the sanding belt roller 1, a sanding belt roller 3 for rotation is arranged on the right side of the sanding belt roller 2, and a sanding belt for connecting with the sanding belt roller 2 and the sanding belt roller 1 to grind the weld on the steel plate is arranged on the roller body of the sanding belt roller 3.

[0009] Furthermore, the driving assembly includes a rotating shaft that passes through the rear wall of the dustproof box and is connected to the sanding belt roller 1. A motor for driving the rotating shaft to rotate is provided at the rear end of the rotating shaft. A pulley 1 for belt connection with pulley 2 is fixedly installed on the shaft body of the rotating shaft.

[0010] Furthermore, a through hole is provided at the bottom end of the dustproof box, which is convenient for the sanding belt on the sanding belt roller three to grind the weld on the steel plate and collect dust into the dustproof box. A dust exhaust port is provided on the left side wall of the dustproof box to discharge the dust sucked by the through hole into the dust exhaust pipe, and the dust exhaust port is communicated with the dust exhaust pipe.

[0011] Furthermore, a roller for driving the bottom plate to move is disposed at the bottom end of the bottom plate, and a handle for pushing the bottom plate to move is fixedly mounted at the top end of the bottom plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] By arranging a grinding device and a dust exhaust device, when it is necessary to grind the weld on the steel plate, the handle can be pushed first, and the bottom plate can be moved under the rotation of the roller, and the through hole can be aligned with the weld, so that the motor can be driven to work, and the sanding belt can be driven to rotate and grind the weld, and the bottom plate continues to move forward under the rotation of the roller, so the weld on the steel plate can be quickly grinded, and under the belt connection between the second pulley and the first pulley, the transmission shaft can be rotated synchronously, so that the fan blade can be driven to rotate, and the air flow in the dustproof box can be accelerated at the same time, so that the dust generated by grinding can pass through the through hole, and then be transported to the dust removal pipe through the dust exhaust port, and finally discharged into the dust removal box through the dust removal port, so as to reduce the dust generated during the grinding of the steel plate weld. Pollution to the environment and harm to the health of the operator can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a cross-sectional view of the dustproof box of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the grinding device of the utility model;

[0017] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0018] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0019] 100-base plate, 001-roller, 002-handle;

[0020] 200-dustproof box, 201-through hole, 202-dust exhaust port;

[0021] 300-grinding device, 310-driving assembly, 311-motor, 312-rotating shaft, 313-pulley 1, 320-sand belt roller 1, 330-sand belt roller 2, 340-sand belt, 350-sand belt roller 3;

[0022] 400-dust exhaust device, 410-pulley 2, 420-support frame, 430-transmission shaft, 440-fan blades, 450-dust exhaust pipe, 451-dust removal port;

[0023] 500-Dust box. DETAILED DESCRIPTION

[0024] The preferred specific implementation methods for implementing the present utility model are described in detail below, and a clear and complete description is made in conjunction with the accompanying drawings.

[0025] See also Figure 1-Figure 4 The utility model provides a hand-pushed and convenient welding bead grinding device.

[0026] During the processing of steel structures, welding is often performed on the surface of the steel plate of the steel structure. In order not to affect the quality of the weld during the welding process, the weld surface of the steel plate of the steel structure needs to be polished in advance to ensure the quality of the weld. However, the existing hand-push weld polishing device will generate a lot of dust during the polishing of the weld surface. The dust generated during the polishing of the weld surface will pollute the environment and affect the health of the polishing operator, making the polishing operator prone to occupational diseases. Therefore, it is necessary to improve it, which includes a bottom plate 100, a polishing device 300 for polishing the steel plate weld is provided at the top of the plate body of the bottom plate 100, a dust box 200 for collecting dust generated by the polishing device 300 during polishing is fixedly installed on the front side wall of the bottom plate 100, a dust exhaust device 400 for discharging dust in the dust box 200 is provided on the left side of the polishing device 300, and a dust removal box 500 for absorbing and treating dust from the dust exhaust device 400 is provided on the front side of the dust exhaust device 400;

[0027] The bottom end of the bottom plate 100 is provided with a roller 001 for driving the bottom plate 100 to move, and there are two rollers 001, which are symmetrically distributed on the front and rear sides of the bottom plate 100, so that the movement of the bottom plate 100 can be controlled by rotating the rollers 001, so that grinding can be performed along the weld on the steel plate; the top of the bottom plate 100 is fixedly installed with a handle 002 for pushing the bottom plate 100 to move, and the bottom end of the handle 002 is connected to the top of the bottom plate 100 by bolt connection, so that the bottom plate 100 can be pushed by the handle 002, and under the rotation of the two rollers 001, the bottom plate 100 can be moved along the weld of the steel plate, and the weld can be ground by using the grinding device 300;

[0028] The bottom end of the dustproof box 200 is provided with a through hole 201 for the sanding belt 340 on the sanding belt roller 350 to grind the weld on the steel plate and collect dust into the dustproof box 200. The sanding belt roller 350 is located directly above the through hole 201, so that the dust generated by the sanding belt 340 grinding the weld on the steel plate can be absorbed into the dustproof box 200 by using the through hole 201. The left wall of the dustproof box 200 is provided with a dust exhaust pipe 45 for discharging the dust absorbed by the through hole 201 to the dust exhaust pipe 45. 0, and the dust exhaust port 202 is communicated with the dust exhaust pipe 450, so that when the dust generated by grinding the weld on the steel plate with the sand belt 340 is absorbed into the dustproof box 200 by using the through hole 201, the dust inside the dustproof box 200 can be transported to the dust removal box 500 through the dust exhaust port 202 and the dust exhaust pipe 450 for processing, and the front side wall of the dustproof box 200 is movably connected with a box cover to facilitate the inspection and maintenance of the grinding device 300 in the dustproof box 200;

[0029] The grinding device 300 includes a belt roller 1 320 arranged in the dustproof box 200 for rotation, a driving assembly 310 for driving the driving assembly 310 to rotate is arranged on the rear side of the belt roller 1 320, a belt roller 2 330 for rotation is arranged on the right side of the belt roller 1 320, and a support rod welded on the rear side wall of the belt roller 2 330 is connected to the inner wall of the box cavity of the dustproof box 200 through a bearing, so that the belt roller 2 330 synchronously rotates with the belt roller 1 320; a belt roller 3 for rotation is arranged on the right side of the belt roller 2 330 50, and the support rod welded on the rear side wall of the sanding belt roller 3 350 penetrates the box body of the dustproof box 200 and is movably connected to the bottom plate 100, and the roller body of the sanding belt roller 350 is provided with a sanding belt 340 for connecting with the sanding belt roller 2 330 and the sanding belt roller 1 320 to grind the weld on the steel plate, so that when the driving component 310 drives the sanding belt roller 1 320 to rotate, the sanding belt 340 can be driven to grind the weld, and the sanding belt roller 2 330 and the sanding belt roller 3 350 can assist the sanding belt 340 to better grind the weld on the steel plate;

[0030] The driving assembly 310 includes a rotating shaft 312 that passes through the rear wall of the dustproof box 200 and is connected to the sanding belt roller 1 320, and the rotating shaft 312 is connected to the box body of the dustproof box 200 through a bearing to facilitate the rotation of the rotating shaft 312. The rear end of the rotating shaft 312 is provided with a motor 311 for driving the rotating shaft 312 to rotate, and the shaft end of the output shaft of the motor 311 is connected to the rotating shaft 312 through a coupling, and the motor 311 is fixed to the base plate 100 by bolt connection, and a pulley 1 313 for connecting with the pulley 2 410 is fixedly installed on the shaft body of the rotating shaft 312, so that when the weld on the steel plate needs to be adjusted When grinding, the handle 002 can be used to push the bottom plate 100 first, and the bottom plate 100 can be moved under the rotation of the roller 001, and the through hole 201 can be aligned with the weld, so that the motor 311 can be driven to work, and the sanding belt 340 can be driven to rotate and grind the weld. The bottom plate 100 continues to move forward under the rotation of the roller 001, so that the weld on the steel plate can be quickly grinded. The dust generated by the grinding is collected in the dust removal box 200 through the through hole 201, and is transported to the dust removal box 500 through the dust exhaust port 202 and the dust exhaust pipe 450 for treatment, so as to reduce the dust generated by the grinding of the weld to the environment and the harm to the health of the operator;

[0031] The dust exhaust device 400 includes a support frame 420 welded to the top of the base plate 100, and a transmission shaft 430 for rotation is movably connected to the front side wall of the support frame 420, and the transmission shaft 430 is connected to the support frame 420 through a bearing, and the transmission shaft 430 passes through the wall of the dust removal pipe 450, and the transmission shaft 430 is connected to the dust removal pipe 450 through a bearing to facilitate the rotation of the transmission shaft 430; the front end of the transmission shaft 430 is fixedly installed with a shaft for accelerating the air in the dustproof box 200. The air flows and absorbs the dust from the fan blade 440. A dust exhaust pipe 450 for exhausting the dust in the dust box 200 is fixedly installed on the left wall of the dust box 200, and the fan blade 440 rotates in the dust exhaust pipe 450 and absorbs the dust in the dust box 200 into the dust removal box 500. A dust removal port 451 for transporting the dust in the dust box 200 to the dust removal box 500 is opened on the front side of the dust exhaust pipe 450, and the dust removal port 451 passes through the rear wall of the dust removal box 500.

[0032] A pulley 2 410 for belt connection with the grinding device 300 is fixedly mounted on the shaft body of the transmission shaft 430, so that when the motor 311 is working, it can not only drive the sanding belt 340 to grind the weld, but also, under the belt connection between the pulley 2 410 and the pulley 1 313, the transmission shaft 430 can rotate synchronously, thereby driving the fan blade 440 to rotate, and at the same time, it can also accelerate the air flow in the dustproof box 200, so that the dust generated by grinding can pass through the through hole 201, and then be transported to the dust removal pipe 450 through the dust exhaust port 202, and finally be discharged into the dust removal box 500 through the dust removal port 451, so as to reduce the dust generated when grinding the steel plate weld, thereby realizing that the dust generated by grinding the weld is harmful to the environment and the health of the operator.

[0033] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the utility model. In addition, any non-creative modifications made to the utility model by those skilled in the art without making creative work still fall within the scope of protection of the utility model.

Claims

1. A hand-pushed convenient weld grinding device, comprising a bottom plate (100), characterized in that: The top of the plate body of the base plate (100) is provided with a grinding device (300) for grinding the weld of the steel plate, the front side wall of the base plate (100) is fixedly installed with a dustproof box (200) for collecting dust generated when the grinding device (300) is grinding, the left side of the grinding device (300) is provided with a dust exhaust device (400) for exhausting dust in the dustproof box (200), and the front side of the dust exhaust device (400) is provided with a dust removal box (500) for absorbing and treating dust from the dust exhaust device (400); The dust exhaust device (400) comprises a support frame (420) fixedly mounted on the top of the base plate (100), a transmission shaft (430) movably connected to the front side wall of the support frame (420) for rotation, a fan blade (440) for accelerating the air flow in the dustproof box (200) and absorbing dust is fixedly mounted at the front end of the transmission shaft (430), a pulley 2 (410) for belt connection with the grinding device (300) is fixedly mounted on the shaft body of the transmission shaft (430), a dust exhaust pipe (450) for exhausting dust in the dustproof box (200) is fixedly mounted on the left side wall of the dustproof box (200), and the fan blade (440) rotates in the dust exhaust pipe (450) and absorbs dust in the dustproof box (200) into the dust removal box (500).

2. The hand-pushed convenient weld grinding device according to claim 1 is characterized in that: The front side of the dust exhaust pipe (450) is provided with a dust removal port (451) for conveying dust in the dustproof box (200) to the dust removal box (500), and the dust removal port (451) penetrates the rear side wall of the dust removal box (500).

3. The hand-pushed convenient weld grinding device according to claim 1 is characterized in that: The grinding device (300) comprises a sanding belt roller 1 (320) arranged in a dustproof box (200) for rotation, a driving component (310) for driving a driving component (310) to rotate is arranged on the rear side of the sanding belt roller 1 (320), a sanding belt roller 2 (330) for rotation is arranged on the right side of the sanding belt roller 1 (320), a sanding belt roller 3 (350) for rotation is arranged on the right side of the sanding belt roller 2 (330), and a sanding belt (340) for connecting with the sanding belt roller 2 (330) and the sanding belt roller 1 (320) to grind the weld on the steel plate is arranged on the roller body of the sanding belt roller 3 (350).

4. The hand-pushed convenient weld grinding device according to claim 3 is characterized in that: The driving assembly (310) comprises a rotating shaft (312) penetrating the rear wall of the dustproof box (200) and connected to the sanding belt roller 1 (320); a motor (311) for driving the rotating shaft (312) to rotate is disposed at the rear end of the rotating shaft (312); and a pulley 1 (313) for connecting to the pulley 2 (410) by a belt is fixedly mounted on the shaft body of the rotating shaft (312).

5. The hand-pushed convenient weld grinding device according to claim 3 is characterized in that: The bottom end of the dustproof box (200) is provided with a through hole (201) for facilitating the sanding belt (340) on the sanding belt roller (350) to grind the weld on the steel plate and collect dust into the dustproof box (200); the left side wall of the dustproof box (200) is provided with a dust exhaust port (202) for exhausting the dust sucked by the through hole (201) into the dust exhaust pipe (450), and the dust exhaust port (202) is communicated with the dust exhaust pipe (450).

6. The hand-pushed convenient weld grinding device according to claim 1, characterized in that: The bottom end of the bottom plate (100) is provided with a roller (001) for driving the bottom plate (100) to move, and the top end of the bottom plate (100) is fixedly provided with a handle (002) for pushing the bottom plate (100) to move.

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