A grinding device

Abstract

The utility model relates to a grinding device in the technical field of wheel hub production equipment, including a grinding wheel, a rotating shaft connected to the center of the grinding wheel, a drive connected to the rotating shaft, the drive fixed on a mobile trolley, the mobile trolley is arranged on a support plate, a column is arranged at the bottom of the support plate, and a support rod is fixedly connected to one end of the support plate; a pull rod is fixed on the mobile trolley, the pull rod is parallel to the rotating shaft and arranged above the grinding wheel, a dust hood is arranged above the grinding wheel, the dust hood is fixedly connected to the pull rod through a connecting piece, the top of the dust hood is connected to a dust box through a dust suction pipe, and the dust box is connected to a fan. The utility model has a simple and reasonable structure, and can efficiently grind the outer weld of a metal cylinder. During the grinding process, the metal cylinder is stable, the grinding effect is good, and the efficiency is high. The ground metal powder can be collected and processed uniformly to avoid polluting the environment and endangering the health of workers.

Description

Technical Field

[0001] The utility model belongs to the technical field of wheel hub production equipment, and specifically relates to a grinding device. Background Art

[0002] During the production of the wheel hub, the metal plate needs to be rolled into a cylindrical metal cylinder on a plate rolling machine, and then the butt joints of the metal plate need to be welded by a welding machine. After welding, the weld needs to be polished. In the prior art, manual polishing is mostly used. During the polishing process, the metal cylinder is manually fixed, and then the weld is polished with a handheld grinding wheel. The operation is inconvenient, time-consuming and labor-intensive, the polishing effect is poor, the efficiency is low, and it is not conducive to production. Therefore, a polishing device is needed to solve the above technical problems. Utility Model Content

[0003] In view of the above defects existing in the prior art, the utility model provides a grinding device, including a grinding wheel, the center of the grinding wheel is connected to a rotating shaft, the rotating shaft is connected to a drive, the drive is fixed on a moving trolley, the moving trolley is arranged on a support plate, a column is arranged at the bottom of the support plate, and one end of the support plate is fixedly connected to a support rod;

[0004] A pull rod is fixed on the mobile trolley, and the pull rod is parallel to the rotating shaft and is arranged above the grinding wheel. A dust hood is arranged above the grinding wheel, and the dust hood is fixedly connected to the pull rod through a connecting piece. The top of the dust hood is connected to a dust box through a dust suction pipe, and the dust box is connected to a fan. The dust box and the fan are both arranged on a support plate. The dust suction pipe is long enough, and the dust suction pipe close to the dust suction hood is fixed on the pull rod to ensure that the movement of the mobile trolley does not affect the dust collection.

[0005] Preferably, positioning pieces are provided on both sides of the support rod, and the two positioning pieces are symmetrical about the support rod. The positioning pieces include a horizontal telescopic rod and a vertical limit block. The fixed end of the horizontal telescopic rod is fixedly connected to the support plate, and the telescopic end of the horizontal telescopic rod is fixedly connected to the limit block.

[0006] Preferably, grooves are provided on both side walls of the support plate, and the grooves are arranged along the length direction of the support plate. Screws are provided in the two grooves, and both ends of the screws are rotatably connected to the two ends of the grooves through bearings respectively. One end of the two screws passes through the grooves and is fixedly connected to sprockets. The two sprockets are connected by chains, and one end of one of the screws is connected to a forward and reverse motor, and the forward and reverse motor is fixed on the support plate. Slide blocks are threadedly fitted on the two screws, one side of the slide block is slidably arranged in the groove, and the other side extends out of the groove. The upper end of the slide block outside the groove is hinged with a retractable push rod, and the upper end of the push rod is hinged to the bottom wall of the moving trolley.

[0007] Preferably, the push rod is a hydraulic rod or an electric push rod.

[0008] Preferably, an anti-collision layer is provided on one end of the support rod close to the support plate, and the anti-collision layer can be a rubber or silicone layer or a wrapped protective belt.

[0009] Preferably, the drive includes a stepper motor and a reduction gearbox arranged on a mobile trolley, the output shaft of the stepper motor is connected to the input end of the reduction gearbox, the output end of the reduction gearbox is fixedly connected to the rotating shaft, a vertical connecting plate is fixed on the top of the reduction gearbox, and the connecting plate is fixedly connected to one end of the pull rod.

[0010] The utility model also includes other components that enable a grinding device to be used normally, such as a control component of an electric push rod, a control component of a forward and reverse motor, a control component of a fan, a control component of a stepper motor, etc., which are all conventional technical means in the field. In addition, the devices or components not limited in the utility model, such as a hydraulic rod, an electric push rod, a mobile trolley, a sprocket, a chain, a grinding wheel, etc., all adopt conventional technical means and conventional equipment in the field.

[0011] Working principle: The horizontal telescopic rod is extended, and the welded metal tube is placed on the support rod and the horizontal telescopic rod. At this time, the outer weld of the metal tube is facing upward, the horizontal telescopic rod is contracted, and the limit block fixes the metal tube between the support plate and the limit block; then the mobile trolley moves toward the metal tube until the grinding wheel moves to the top of the outer weld, and the grinding wheel presses down to contact the outer weld. The stepper motor drives the grinding wheel to rotate and grind the outer weld. During the grinding process, the mobile trolley moves continuously, so that the grinding wheel moves along the outer weld until the outer weld is polished. Then the mobile trolley is reset, the horizontal telescopic rod is extended, and the metal tube is removed. The powder generated during the grinding process is sucked into the dust box by the dust hood for centralized treatment, reducing environmental pollution.

[0012] The beneficial effects of the utility model are as follows: the structure is simple and reasonable, the outer weld of the metal cylinder can be efficiently polished, the metal cylinder is stable during the polishing process, the polishing effect is good, the efficiency is high, and the polished metal powder can be collected and uniformly processed to avoid polluting the environment and endangering the health of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0014] Figure 1 This is a schematic structural diagram of a grinding device in Example 1 of the utility model;

[0015] Figure 2 for Figure 1 The state diagram when the middle grinding wheel contacts the outer weld of the metal cylinder;

[0016] Figure 3This is a schematic structural diagram of a grinding device in Example 2 of the utility model;

[0017] Figure 4 for Figure 3 Right view of .

[0018] In the figure: 1. Support plate; 2. Moving trolley; 3. Dust collection box; 4. Stepper motor; 5. Reducer; 6. Connecting plate; 7. Pull rod; 8. Rotating shaft; 9. Grinding wheel; 10. Dust hood; 11. Support rod; 12. Limit block; 13. Horizontal telescopic rod; 14. Forward and reverse motor; 15. Slider; 16. Screw; 17. Push rod; 18. Metal cylinder; 19. Chain; 20. Dust collection tube; 21. Anti-collision layer. DETAILED DESCRIPTION

[0019] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0020] Example 1

[0021] like Figure 1-2 As shown, the utility model provides a grinding device, including a grinding wheel 9, the center of the grinding wheel 9 is connected to a rotating shaft 8, the rotating shaft 8 is connected to a drive, the drive is fixed on a mobile trolley 2, the mobile trolley 2 is arranged on a support plate 1, a column is arranged at the bottom of the support plate 1, one end of the support plate 1 is fixedly connected to a support rod 11, and the support rod is a rectangular rod;

[0022] A pull rod 7 is fixed on the mobile trolley 2. The pull rod 7 is parallel to the rotating shaft 8 and is arranged above the grinding wheel 9. A dust hood 10 is arranged above the grinding wheel 9. The dust hood 10 is fixedly connected to the pull rod 7 through a connecting piece. The top of the dust hood 10 is connected to a dust box 3 through a dust suction pipe 20. The dust box 3 is connected to a fan. The dust box 3 and the fan are both arranged on the support plate 1. The dust suction pipe 20 is long enough. The dust suction pipe 20 close to the dust suction hood 10 is fixed on the pull rod 7 to ensure that the movement of the mobile trolley 2 does not affect the dust collection.

[0023] Positioning members are provided on both sides of the support rod 11, and the two positioning members are symmetrical about the support rod 11. The positioning members include a horizontal telescopic rod 13 and a vertical limit block 12. The fixed end of the horizontal telescopic rod 13 is fixedly connected to the support plate 1, and the telescopic end of the horizontal telescopic rod 13 is fixedly connected to the limit block 12.

[0024] An anti-collision layer 21 is disposed on one end of the support rod 11 close to the support plate 1 . The anti-collision layer 21 may be a rubber or silicone layer or a wound protective belt.

[0025] The drive includes a stepper motor 4 and a reduction gearbox 5 arranged on the mobile trolley 2, the output shaft of the stepper motor 4 is connected to the input end of the reduction gearbox 5, the output end of the reduction gearbox 5 is fixedly connected to the rotating shaft 8, and a vertical connecting plate 6 is fixed on the top of the reduction gearbox 5, and the connecting plate 6 is fixedly connected to one end of the pull rod 7.

[0026] During operation, the horizontal telescopic rod 13 is extended, and the welded metal tube 18 is sleeved on the support rod 11 and the horizontal telescopic rod 13. At this time, the outer weld of the metal tube 18 faces upward, the horizontal telescopic rod 13 shrinks, and the limit block 12 fixes the metal tube 18 between the support plate 1 and the limit block 12; then the pull rod is pulled to move the mobile trolley 2 toward the metal tube 18 until the grinding wheel 9 moves to the top of the outer weld, and the pull rod is pressed down to make the grinding wheel 9 contact the outer weld. The stepper motor 4 drives the grinding wheel 9 to rotate and grind the outer weld. During the grinding process, the mobile trolley 2 is pulled to move continuously, so that the grinding wheel 9 moves along the outer weld until the outer weld is completely ground. Then the mobile trolley 2 is reset, the horizontal telescopic rod 13 is extended, and the metal tube 18 can be removed. The powder generated during the grinding process is sucked into the dust box 3 by the dust hood 10 for centralized treatment, which reduces environmental pollution.

[0027] Example 2

[0028] like Figure 2-4 As shown, the utility model provides a grinding device, including a grinding wheel 9, the center of the grinding wheel 9 is connected to a rotating shaft 8, the rotating shaft 8 is connected to a drive, the drive is fixed on a mobile trolley 2, the mobile trolley 2 is arranged on a support plate 1, a column is arranged at the bottom of the support plate 1, one end of the support plate 1 is fixedly connected to a support rod 11, and the support rod is a rectangular rod;

[0029] A pull rod 7 is fixed on the mobile trolley 2. The pull rod 7 is parallel to the rotating shaft 8 and is arranged above the grinding wheel 9. A dust hood 10 is arranged above the grinding wheel 9. The dust hood 10 is fixedly connected to the pull rod 7 through a connecting piece. The top of the dust hood 10 is connected to a dust box 3 through a dust suction pipe 20. The dust box 3 is connected to a fan. The dust box 3 and the fan are both arranged on the support plate 1. The dust suction pipe 20 is long enough. The dust suction pipe 20 close to the dust suction hood 10 is fixed on the pull rod 7 to ensure that the movement of the mobile trolley 2 does not affect the dust collection.

[0030] Positioning members are provided on both sides of the support rod 11, and the two positioning members are symmetrical about the support rod 11. The positioning members include a horizontal telescopic rod 13 and a vertical limit block 12. The fixed end of the horizontal telescopic rod 13 is fixedly connected to the support plate 1, and the telescopic end of the horizontal telescopic rod 13 is fixedly connected to the limit block 12.

[0031] Grooves are provided on the two side walls of the support plate 1, and the grooves are arranged along the length direction of the support plate 1. Screws 16 are provided in the two grooves, and the two ends of the screws 16 are rotatably connected to the two ends of the grooves through bearings respectively. One end of the two screws 16 passes through the groove and is fixedly connected to a sprocket. The two sprockets are connected by a chain 19. One end of one of the screws 16 is connected to a forward and reverse motor 14, and the forward and reverse motor 14 is fixed on the support plate 1. Slide blocks 15 are threadedly matched on the two screws 16, one side of the slide block 15 is slidably set in the groove, and the other side extends out of the groove. The upper end of the slide block 15 outside the groove is hinged with a retractable push rod 17, and the upper end of the push rod 17 is hinged to the bottom wall of the moving trolley 2.

[0032] The push rod 17 is a hydraulic push rod or an electric push rod 17 .

[0033] An anti-collision layer 21 is disposed on one end of the support rod 11 close to the support plate 1 . The anti-collision layer 21 may be a rubber or silicone layer or a wound protective belt.

[0034] The drive includes a stepper motor 4 and a reduction gearbox 5 arranged on the mobile trolley 2, the output shaft of the stepper motor 4 is connected to the input end of the reduction gearbox 5, the output end of the reduction gearbox 5 is fixedly connected to the rotating shaft 8, and a vertical connecting plate 6 is fixed on the top of the reduction gearbox 5, and the connecting plate 6 is fixedly connected to one end of the pull rod 7.

[0035] During operation, the horizontal telescopic rod 13 is extended, and the welded metal tube 18 is sleeved on the support rod 11 and the horizontal telescopic rod 13. At this time, the outer weld of the metal tube 18 faces upward, the horizontal telescopic rod 13 shrinks, and the limit block 12 fixes the metal tube 18 between the support plate 1 and the limit block 12; then the forward and reverse motor drives the two screws to rotate, so that the slider moves along the screw toward the support rod, and drives the mobile trolley 2 to move toward the metal tube 18, until the grinding wheel 9 moves to the top of the outer weld, the push rod shrinks, so that the car plate of the mobile trolley close to the end of the metal tube tilts downward, and the grinding wheel 9 presses down to contact the outer weld, and the stepper motor 4 drives the grinding wheel 9 to rotate to grind the outer weld. During the grinding process, the forward and reverse motors work to make the mobile trolley 2 move continuously, so that the grinding wheel 9 moves along the outer weld until the outer weld is polished. Then the push rod is extended, the grinding wheel does not contact the metal tube, the mobile trolley 2 is reset, the horizontal telescopic rod 13 is extended, and the metal tube 18 can be removed. The powder generated during the grinding process is sucked into the dust collecting box 3 by the dust collecting hood 10 for centralized treatment, thereby reducing environmental pollution.

[0036] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A grinding device, comprising a grinding wheel, wherein the center of the grinding wheel is connected to a rotating shaft, and the rotating shaft is connected to a drive, characterized in that: The drive is fixed on a moving trolley, and the moving trolley is arranged on a support plate, a column is arranged at the bottom of the support plate, and a support rod is fixedly connected to one end of the support plate; A pull rod is fixed on the mobile trolley, the pull rod is parallel to the rotating shaft and is arranged above the grinding wheel, a dust hood is arranged above the grinding wheel, the dust hood is fixedly connected to the pull rod through a connecting piece, the top of the dust hood is connected to a dust box through a dust suction pipe, and the dust box is connected to a fan.

2. A grinding device according to claim 1, characterized in that: Positioning pieces are provided on both sides of the support rod, and the two positioning pieces are symmetrical about the support rod. The positioning pieces include a horizontal telescopic rod and a vertical limit block. The fixed end of the horizontal telescopic rod is fixedly connected to the support plate, and the telescopic end of the horizontal telescopic rod is fixedly connected to the limit block.

3. A grinding device according to claim 1, characterized in that: Grooves are provided on both side walls of the support plate, and the grooves are arranged along the length direction of the support plate. Screws are provided in the two grooves, and both ends of the screws are rotatably connected to the two ends of the grooves through bearings respectively. One end of the two screws passes through the grooves and is fixedly connected to sprockets. The two sprockets are connected by chains, and one end of one of the screws is connected to a forward and reverse motor, and the forward and reverse motor is fixed on the support plate. Slide blocks are threadedly fitted on the two screws, one side of the slide block is slidably arranged in the groove, and the other side extends out of the groove. The upper end of the slide block outside the groove is hinged with a retractable push rod, and the upper end of the push rod is hinged to the bottom wall of the moving trolley.

4. A grinding device according to claim 3, characterized in that: The push rod is a hydraulic push rod or an electric push rod.

5. A grinding device according to claim 1, characterized in that: An anti-collision layer is arranged on one end of the support rod close to the support plate.

6. A grinding device according to claim 1, characterized in that: The drive comprises a stepper motor and a reduction box arranged on the moving trolley, the output shaft of the stepper motor is connected to the input end of the reduction box, and the output end of the reduction box is fixedly connected to the rotating shaft.

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