Grinding device for bolts and nuts of carriage

By designing a carriage bolt and nut grinding device that includes support components, cylinder-driven grinding device and vacuum cleaner system, the problem of low efficiency in fixing nuts of different specifications and sizes is solved, and efficient grinding and dust removal are achieved.

CN223235864UActive Publication Date: 2025-08-19HAIYAN LONGCHENG STANDARD PARTS CO LTD
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Patent Information

Application Number
CN202422346439.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-08-19
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The prior art is difficult to facilitate fixing of carriage bolts and nuts of different specifications and sizes, resulting in low processing efficiency.

Method used

The carriage bolt and nut grinding device includes support assembly, cylinder, grinding assembly, rotating assembly and vacuum cleaner assembly. The cylinder drives the grinding assembly to move and rotate, and combines the vacuum cleaner assembly to automatically remove dust, so as to achieve the fixing and polishing of nuts of different specifications.

Benefits of technology

It realizes efficient grinding of carriage bolts and nuts of different specifications and sizes, improves processing efficiency, and promptly removes metal dust during the grinding process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a carriage bolt and nut polishing device, and relates to the technical field of carriage bolt and nut machining equipment, the carriage bolt and nut polishing device comprises a mounting bottom plate, the two sides of the top wall of the mounting bottom plate are rotatably connected with a plurality of bearing assemblies through bearings, and the two sides of the top wall of the mounting bottom plate are each provided with a first air cylinder; and polishing assemblies are fixed to the ends of horizontal output shafts of the two first air cylinders, a mounting frame is fixed to the middle of the top wall of the mounting bottom plate, a plurality of rotating assemblies are evenly fixed to the two sides of the top wall of an inner cavity of the mounting frame, and pressing assemblies are installed at the bottom ends of the rotating assemblies. When the device is used, the bearing assembly is sleeved with a plurality of sets of carriage bolts and nuts to be polished, the pressing assembly is started to extrude and fix the carriage bolts and nuts, and the first air cylinder is started to stretch out and draw back so that the polishing assembly can be driven to horizontally move to a proper position; and the grinding assembly is started to grind and remove burrs on the outer edge of the carriage bolt nut.
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Description

Technical Field

[0001] The utility model relates to the technical field of carriage bolt and nut processing equipment, in particular to a carriage bolt and nut grinding device. Background Art

[0002] As a fastener, carriage bolts and nuts are widely used in many fields. The head of a carriage bolt is mostly round and the neck is square. This design allows the bolt to be stuck in the groove during installation, effectively preventing the bolt from rotating. At the same time, it has a certain parallel movement ability in the groove. The carriage bolts and nuts need to be polished and removed of burrs on their surface during the processing process.

[0003] At present, when grinding carriage bolts and nuts, it is inconvenient to fix carriage bolts and nuts of different specifications and sizes, resulting in low processing efficiency. Therefore, the utility model proposes a carriage bolt and nut grinding device that is different from the existing technology to solve the above technical problems. Utility Model Content

[0004] In order to improve the above-mentioned problem of inconvenience in fixing carriage bolts and nuts of different specifications and sizes, the utility model provides a carriage bolt and nut grinding device.

[0005] The utility model provides a carriage bolt and nut grinding device, which adopts the following technical solutions:

[0006] A carriage bolt and nut grinding device includes a mounting base, multiple groups of supporting components are rotatably connected to the two sides of the top wall of the mounting base through bearings, first cylinders are installed on both sides of the top wall of the mounting base, grinding components are fixed to the ends of the horizontal output shafts of the two groups of first cylinders, a mounting frame is fixed at the middle position of the top wall of the mounting base, multiple groups of rotating components are evenly fixed on both sides of the top wall of the inner cavity of the mounting frame, and pressing components are installed at the bottom ends of the multiple groups of rotating components.

[0007] Optionally, the supporting assembly includes a supporting vertical rod, which is rotatably connected to the top wall of the mounting base plate through a bearing, a clamping rod is fixed to the top wall of the supporting vertical rod, and a supporting plate is fixed to the top wall of the clamping rod.

[0008] By adopting the above technical solution, multiple sets of carriage bolts and nuts to be polished are placed on the outside of the support plate, the pressing assembly is started to cooperate with the clamping rod to squeeze and fix the carriage bolts and nuts, the first cylinder is started to extend and retract, thereby driving the polishing assembly to move horizontally to the appropriate position, and the polishing assembly is started to polish and remove the burrs on the outer edge of the carriage bolts and nuts.

[0009] Optionally, the grinding assembly includes a first motor frame, which is fixed to the output end of the first cylinder, a driving motor is fixed in the inner cavity of the first motor frame, a first rotating shaft passing through the top wall of the first motor frame is installed at the output end of the driving motor, and a grinding wheel is fixed at the top position of the outer wall of the first rotating shaft.

[0010] By adopting the above technical solution, the driving motor is started to drive the first rotating shaft to rotate, thereby driving the grinding wheel to rotate synchronously, and then the burrs on the outer edge of the carriage bolt nut can be ground and removed.

[0011] Optionally, the rotating assembly includes a second motor frame, which is fixed on the top wall of the inner cavity of the mounting frame, and a forward and reverse motor is fixed at the bottom wall of the inner cavity of the second motor frame, and the output end of the forward and reverse motor is installed with a second rotating shaft passing through the bottom wall of the second motor frame.

[0012] By adopting the above technical solution, the forward and reverse motors are periodically started to drive the installation frame to rotate a certain angle. Under the action of the installation frame, the second cylinder and the pressure plate can be driven to rotate synchronously. Under the action of friction, the support plate, the clamping rod and the support vertical rod can be driven to rotate synchronously on the top wall of the installation base plate through the bearing, so that different angles of the outer edge of the carriage bolt and nut can be polished.

[0013] Optionally, the pressing assembly includes a mounting frame, which is fixed at the bottom end of the second rotating shaft, a second cylinder is fixed at the bottom wall of the inner cavity of the mounting frame, and an output end of the second cylinder passes through the bottom wall of the mounting frame and is fixed with a pressure plate.

[0014] By adopting the above technical solution, the second cylinder is started to extend and drives the pressure plate to move downward, thereby cooperating with the clamping rod to squeeze and fix the carriage bolt nut.

[0015] Optionally, an industrial vacuum cleaner is fixed at the middle position of the top wall of the mounting base plate, and multiple groups of dust suction pipes are installed at the input end of the industrial vacuum cleaner. The end positions of the multiple groups of dust suction pipes are connected to dust suction hoods, and multiple groups of supporting vertical legs are fixed at the bottom ends of the multiple groups of dust suction hoods, and the bottom ends of the multiple groups of supporting vertical legs are fixed to the top wall position of the mounting base plate.

[0016] By adopting the above technical solution, the metal dust generated during the grinding process can automatically fall into the inner cavity of the dust hood. The industrial vacuum cleaner is started and the dust collection tube is used to automatically absorb and remove the metal dust in the inner cavity of the dust collection hood, which facilitates the timely removal of the metal dust generated during the grinding process.

[0017] Optionally, a plurality of strip-shaped holes are provided on both sides of the top wall of the mounting base plate, and a slider slidably connected to the strip-shaped holes is fixed to the bottom wall of the first motor frame.

[0018] By adopting the above technical solution, when the first motor frame moves horizontally, it can drive the slider to move synchronously in the inner cavity of the strip hole, thereby conveniently limiting the moving path of the first motor frame.

[0019] In summary, the present invention has at least one of the following beneficial effects:

[0020] Multiple groups of carriage bolts and nuts to be polished are placed on the outside of the supporting plate, the second cylinder is started to extend and drive the pressure plate to move downward, thereby cooperating with the clamping rod to squeeze and fix the carriage bolts and nuts, the first cylinder is started to extend and retract, thereby driving the first motor frame and the polishing wheel to move horizontally synchronously, and the drive motor is started to drive the first rotating shaft and the polishing wheel to rotate synchronously to polish and remove burrs on the outer edge of the carriage bolts and nuts, so as to facilitate the polishing of carriage bolts and nuts of different specifications and sizes.

[0021] The metal dust generated during the grinding process can automatically fall into the inner cavity of the dust hood. The industrial vacuum cleaner is started and the dust collection tube is used to automatically absorb and remove the metal dust in the inner cavity of the dust collection hood, so as to facilitate the timely removal of the metal dust generated during the grinding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0023] Figure 2 This is a front view structural diagram of the support assembly of the utility model;

[0024] Figure 3 It is a left-side structural schematic diagram of the utility model.

[0025] In the figure: 1. Pressing plate; 2. Grinding wheel; 3. Driving motor; 4. First motor frame; 5. Strip hole; 6. First cylinder; 7. Supporting vertical rod; 8. Industrial vacuum cleaner; 9. Dust suction pipe; 10. Dust hood; 11. Slider; 12. Mounting base; 13. Supporting vertical leg; 14. First rotating shaft; 15. Mounting frame; 16. Second rotating shaft; 17. Second motor frame; 18. Second cylinder; 19. Forward and reverse motor; 20. Mounting frame; 21. Supporting plate; 22. Clamping rod. DETAILED DESCRIPTION

[0026] The following is combined with Figure 1-3 The utility model is described in further detail.

[0027] Please refer to the attached figure in the instruction manual Figure 1 、 2And 3, an embodiment provided by the utility model: a carriage bolt and nut grinding device, comprising a mounting base 12, and multiple groups of supporting components are rotatably connected to the two sides of the top wall of the mounting base 12 through bearings, the supporting components include a supporting vertical rod 7, the supporting vertical rod 7 is rotatably connected to the top wall of the mounting base 12 through bearings, a clamping rod 22 is fixed to the top wall position of the supporting vertical rod 7, and a supporting plate 21 is fixed to the center position of the top wall of the clamping rod 22, first cylinders 6 are installed on both sides of the top wall of the mounting base 12, and grinding components are fixed to the ends of the horizontal output shafts of the two groups of first cylinders 6, and the grinding components include a first motor frame 4, and the first motor frame 4 is fixed to the output end of the first cylinder 6.

[0028] Please refer to the attached figure in the instruction manual Figure 1 and 3 The drive motor 3 is fixed to the inner cavity of the first motor frame 4. The output end of the drive motor 3 is mounted with a first rotating shaft 14 that passes through the top wall of the first motor frame 4. The grinding wheel 2 is fixed to the top of the outer wall of the first rotating shaft 14. A mounting bracket 15 is fixed in the middle position of the top wall of the mounting base 12. The lateral longitudinal cross-section of the mounting bracket 15 is set to be L-shaped. Multiple sets of rotating components are evenly fixed on both sides of the inner cavity top wall of the mounting bracket 15. The rotating components include a second motor frame 17, which is fixed to the inner cavity top wall of the mounting bracket 15.

[0029] Please refer to the attached figure in the instruction manual Figure 1 and 3 A forward and reverse motor 19 is fixed to the bottom wall of the inner cavity of the second motor frame 17, and a second rotating shaft 16 that passes through the bottom wall of the second motor frame 17 is installed at the output end of the forward and reverse motor 19. A pressing assembly is installed at the bottom end of multiple groups of second rotating shafts 16, and the pressing assembly includes a mounting frame 20. The mounting frame 20 is fixed to the bottom end of the second rotating shaft 16, and a second cylinder 18 is fixed to the bottom wall of the inner cavity of the mounting frame 20. The output end of the second cylinder 18 passes through the bottom wall of the mounting frame 20 and is fixed with a pressure plate 1.

[0030] Multiple groups of carriage bolts and nuts to be polished are placed on the outside of the supporting plate 21, and the second cylinder 18 is started to extend to drive the pressure plate 1 to move downward, thereby cooperating with the clamping rod 22 to squeeze and fix the carriage bolts and nuts. The first cylinder 6 is started to extend and retract, thereby driving the first motor frame 4 and the grinding wheel 2 to move horizontally synchronously until the outer wall of the grinding wheel 2 contacts the outer edge of the carriage bolts and nuts. The drive motor 3 is started to drive the first rotating shaft 14 to rotate, thereby driving the grinding wheel 2 to rotate synchronously, and then the burrs on the outer edge of the carriage bolts and nuts can be polished and removed.

[0031] The forward and reverse motor 19 is started periodically to drive the installation frame 20 to rotate a certain angle. Under the action of the installation frame 20, the second cylinder 18 and the pressure plate 1 can be driven to rotate synchronously. Under the action of friction, the supporting plate 21, the clamping rod 22 and the supporting vertical rod 7 can be driven to rotate synchronously on the top wall of the installation base plate 12 through the bearing, so that different angles of the outer edge of the carriage bolt nut can be polished.

[0032] Please refer to the attached figure in the instruction manual Figure 1 and 3 An industrial vacuum cleaner 8 is fixed at the middle position of the top wall of the mounting base 12, and the industrial vacuum cleaner 8 is arranged on the inner side of multiple sets of supporting vertical rods 7. Multiple sets of dust suction pipes 9 are installed at the input end of the industrial vacuum cleaner 8, and the end positions of the multiple sets of dust suction pipes 9 are connected to dust suction covers 10. The top position of the dust suction cover 10 is set to an opening shape, and multiple sets of supporting vertical legs 13 are fixed at the bottom ends of the multiple sets of dust suction covers 10. The bottom ends of the multiple sets of supporting vertical legs 13 are fixed to the top wall position of the mounting base 12.

[0033] The metal dust generated during the grinding process can automatically fall into the inner cavity of the dust hood 10. The industrial vacuum cleaner 8 is started and the dust collection pipe 9 is used to automatically absorb and remove the metal dust in the inner cavity of the dust hood 10, so as to facilitate timely removal of the metal dust generated during the grinding process.

[0034] Please refer to the attached figure in the instruction manual Figure 1 Multiple groups of strip-shaped holes 5 are formed on both sides of the top wall of the mounting base 12. Sliders 11 are fixed to the bottom wall of the first motor frame 4 and are slidably connected to the strip-shaped holes 5. When the first motor frame 4 moves horizontally, it can drive the slides 11 to move synchronously within the inner cavity of the strip-shaped holes 5, thereby conveniently limiting the movement path of the first motor frame 4.

[0035] Working principle: When using the carriage bolt and nut grinding device, the carriage bolt and nut grinding device is stably placed in an appropriate position using the mounting base 12, and then multiple groups of carriage bolts and nuts to be ground are placed on the outside of the supporting plate 21. The second cylinder 18 is started to extend and drive the pressure plate 1 to move downward, thereby cooperating with the clamping rod 22 to squeeze and fix the carriage bolt and nut. The first cylinder 6 is started to extend and retract, thereby driving the first motor frame 4 and the grinding wheel 2 to move horizontally synchronously until the outer wall of the grinding wheel 2 contacts the outer edge of the carriage bolt and nut. The drive motor 3 is started to drive the first rotating shaft 14 to rotate, thereby driving the grinding wheel 2 to rotate synchronously, and then the burrs on the outer edge of the carriage bolt and nut can be ground and removed.

[0036] When the first motor frame 4 moves horizontally, it can drive the slider 11 to move synchronously in the inner cavity of the strip hole 5, which is convenient for limiting the moving path of the first motor frame 4. During the grinding process, the forward and reverse motors 19 are periodically started to drive the mounting frame 20 to rotate a certain angle. Under the action of the mounting frame 20, the second cylinder 18 and the pressure plate 1 can be driven to rotate synchronously. Under the action of friction, the supporting plate 21, the clamping rod 22 and the supporting vertical rod 7 can be driven to rotate synchronously on the top wall of the mounting base plate 12 through the bearing, so that different angles of the outer edge of the carriage bolt nut can be ground.

[0037] During the grinding process, the metal dust generated during the grinding process can automatically fall into the inner cavity of the dust hood 10. The industrial vacuum cleaner 8 is started and the dust collection pipe 9 is used to automatically absorb and remove the metal dust in the inner cavity of the dust hood 10, so as to facilitate timely removal of the metal dust generated during the grinding process.

[0038] The standard parts used in this utility model document can all be purchased from the market. The various components in this utility model document can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0039] The above are all preferred embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the scope of protection of the present invention.

Claims

1. A carriage bolt and nut grinding device, comprising a mounting base (12), characterized in that: The two sides of the top wall of the mounting base (12) are rotatably connected to multiple groups of supporting components through bearings. The two sides of the top wall of the mounting base (12) are both installed with first cylinders (6). The ends of the horizontal output shafts of the two groups of the first cylinders (6) are fixed with grinding components. The middle position of the top wall of the mounting base (12) is fixed with a mounting frame (15). The two sides of the top wall of the inner cavity of the mounting frame (15) are evenly fixed with multiple groups of rotating components. The bottom ends of the multiple groups of rotating components are all installed with pressing components.

2. The carriage bolt and nut grinding device according to claim 1, characterized in that: The supporting assembly comprises a supporting vertical rod (7), the supporting vertical rod (7) being rotatably connected to the top wall of the mounting base plate (12) via a bearing, a clamping rod (22) being fixed at the top wall position of the supporting vertical rod (7), and a supporting plate (21) being fixed at the top wall position of the clamping rod (22).

3. The carriage bolt and nut grinding device according to claim 1, characterized in that: The grinding assembly comprises a first motor frame (4), the first motor frame (4) being fixed to the output end of a first cylinder (6), a driving motor (3) being fixed in the inner cavity of the first motor frame (4), a first rotating shaft (14) penetrating the top wall of the first motor frame (4) being installed at the output end of the driving motor (3), and a grinding wheel (2) being fixed at the top position of the outer wall of the first rotating shaft (14).

4. The carriage bolt and nut grinding device according to claim 1, characterized in that: The rotating assembly includes a second motor frame (17), the second motor frame (17) is fixed on the top wall of the inner cavity of the mounting frame (15), a forward and reverse motor (19) is fixed at the bottom wall of the inner cavity of the second motor frame (17), and a second rotating shaft (16) that passes through the bottom wall of the second motor frame (17) is installed at the output end of the forward and reverse motor (19).

5. The carriage bolt and nut grinding device according to claim 4, characterized in that: The pressing assembly includes a mounting frame (20), the mounting frame (20) being fixed at the bottom end of the second rotating shaft (16), a second cylinder (18) being fixed at the bottom wall of the inner cavity of the mounting frame (20), and an output end of the second cylinder (18) passing through the bottom wall of the mounting frame (20) and being fixed with a pressing plate (1).

6. The carriage bolt and nut grinding device according to claim 1, characterized in that: An industrial vacuum cleaner (8) is fixed at the middle position of the top wall of the installation base plate (12), and multiple groups of dust suction pipes (9) are installed at the input end of the industrial vacuum cleaner (8). The end positions of the multiple groups of dust suction pipes (9) are connected to dust suction covers (10), and multiple groups of supporting vertical legs (13) are fixed at the bottom ends of the multiple groups of dust suction covers (10). The bottom ends of the multiple groups of supporting vertical legs (13) are fixed to the top wall position of the installation base plate (12).

7. The carriage bolt and nut grinding device according to claim 3, characterized in that: A plurality of strip-shaped holes (5) are provided on both sides of the top wall of the installation base plate (12), and a slider (11) slidably connected to the strip-shaped holes (5) is fixed to the bottom wall of the first motor frame (4).