Fine grinding device for hardware machining

Abstract

The utility model relates to the technical field of hardware machining, in particular to a hardware machining fine grinding device which comprises a workbench, a containing groove is formed in the position, close to one side, of the top end of the workbench, an annular groove is formed in the position, close to the outer side of the containing groove, of the top face of the workbench, and a servo motor is installed in the containing groove. The output end of the servo motor is in transmission connection with a rotating rod, a threaded hole is formed in the rotating rod, a mounting disc is mounted at the position, close to the top end, of the outer surface of the rotating rod, and four sets of mounting holes are formed in the top face of the mounting disc. Through the arrangement of parts such as a servo motor, a rotating rod, a threaded hole, a rough grinding disc, a threaded column, a through hole, a handheld rod, a mounting plate and a mounting bolt, the problem that when a grinding disc of an existing grinding machine is replaced, the hand of a user needs to make direct contact with the grinding disc, and corresponding replacement can be conducted through corresponding operation; and therefore, the problem that the hands of a user can be cut by the grinding disc in the process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware processing, in particular to a hardware processing fine grinding device. Background Art

[0002] Hardware processing is to process raw materials into various parts according to customers' drawings or samples using lathes, milling machines, drilling machines, polishing machines and other machines. Hardware processing is very important to industrial development, among which grinding machines for hardware processing are widely used.

[0003] When grinding hardware with an existing grinder, it is necessary to perform rough grinding first and then fine grinding. When switching between rough grinding and fine grinding, the rough grinding disc and the fine grinding disc need to be replaced accordingly. When replacing, the user's hands need to directly contact the grinding disc and perform corresponding operations to make the corresponding replacement. Therefore, there is a problem that the user's hands may be cut by the grinding disc during this process. Therefore, corresponding improvements need to be made based on the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a hardware processing fine grinding device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hardware processing fine grinding device comprises a workbench, a placement groove is provided at one side of the top of the workbench, and an annular groove is provided on the top surface of the workbench near the outside of the placement groove, a servo motor is installed inside the placement groove, and the output end of the servo motor is transmission-connected with a rotating rod, a threaded hole is provided inside the rotating rod, and a mounting plate is installed on the outer surface of the rotating rod near the top, four groups of mounting holes are provided on the top surface of the mounting plate, threaded columns are movably screwed inside the threaded holes, and a coarse grinding disc is installed on the top of the threaded column, four groups of through holes are provided inside the coarse grinding disc, and a hand-held rod is installed on the top of the coarse grinding disc, four groups of mounting plates are installed on the side surface of the hand-held rod, and mounting bolts are movably screwed inside the four groups of mounting plates.

[0006] Preferably, a bearing ring is installed at a middle position on the outer surface of the rotating rod, four groups of support rods are installed at the top end of the bearing ring, and four groups of sliding rods are installed at the bottom end of the bearing ring.

[0007] Preferably, the top ends of the four groups of support rods are all mounted on the bottom end of the mounting plate.

[0008] Preferably, the bottom ends of the four groups of sliding rods extend into the interior of the annular groove and are slidably connected thereto.

[0009] Preferably, the bottom surfaces of the four groups of mounting plates are all arranged to fit the top surface of the coarse grinding disc.

[0010] Preferably, the bottom ends of the four groups of mounting bolts respectively pass through the corresponding through holes to penetrate the interior of the coarse grinding disc and are in a movably threaded relationship with the corresponding mounting holes.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The arrangement of components such as a servo motor, a rotating rod, a threaded hole, a coarse grinding disc, a threaded column, a through hole, a hand-held rod, a mounting plate and mounting bolts can effectively solve the problem that when replacing the grinding disc of the existing grinder, the user's hands need to directly contact the grinding disc and perform corresponding operations in order to replace it, thus causing the user's hands to be cut by the grinding disc during this process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model.

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the fixing sleeve of the utility model.

[0015] Figure 3 for Figure 2 Enlarged schematic diagram at point A in the middle.

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the connecting rope of the utility model.

[0017] In the figure: 1. workbench; 11. placement groove; 12. annular groove; 13. servo motor; 14. rotating rod; 15. threaded hole; 16. mounting plate; 17. mounting hole; 18. bearing ring; 181. support rod; 182. slide rod; 2. rough grinding disc; 21. threaded column; 22. through hole; 23. hand-held rod; 24. mounting plate; 25. mounting bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 4The utility model provides a technical solution: a hardware processing fine grinding device, comprising a workbench 1, a placement groove 11 is opened at one side of the top of the workbench 1, and an annular groove 12 is opened at the top surface of the workbench 1 near the outside of the placement groove 11, a servo motor 13 is installed inside the placement groove 11, and the output end of the servo motor 13 is connected to a rotating rod 14 in a transmission manner, a threaded hole 15 is opened inside the rotating rod 14, and a mounting plate 16 is installed on the outer surface of the rotating rod 14 near the top, four groups of mounting holes 17 are opened on the top surface of the mounting plate 16, a bearing ring 18 is installed on the outer surface of the rotating rod 14 near the middle, four groups of support rods 181 are installed at the top of the bearing ring 18, and four groups of sliding rods 182 are installed at the bottom end of the bearing ring 18, the top ends of the four groups of support rods 181 are all installed with the bottom end of the mounting plate 16, and the bottom ends of the four groups of sliding rods 182 are all extended into the inside of the annular groove 12 and are slidably connected therewith.

[0020] A threaded column 21 is movably screwed inside the threaded hole 15, and a coarse grinding disc 2 is installed on the top of the threaded column 21. Four groups of through holes 22 are opened inside the coarse grinding disc 2, and a hand-held rod 23 is installed on the top of the coarse grinding disc 2. Four groups of mounting plates 24 are installed on the side surface of the hand-held rod 23, and the insides of the four groups of mounting plates 24 are movably screwed with mounting bolts 25. The bottom surfaces of the four groups of mounting plates 24 are all arranged to fit the top surface of the coarse grinding disc 2, and the bottom ends of the four groups of mounting bolts 25 pass through the interior of the coarse grinding disc 2 through the corresponding through holes 22 respectively and are movably screwed with the corresponding mounting holes 17.

[0021] An installation groove is provided inside the workbench 1 at the other side, and a driving motor is installed inside the installation groove. The output end of the driving motor is transmission-connected to a placement plate, and a screw is installed at the top of the placement plate.

[0022] During use, the user can put the hardware on the screw and place it on the placement plate, and then fix the hardware on the placement plate through the nut. At this time, the user can start the driving motor and the servo motor 13 at the same time, so that the placement plate and the screw can rotate accordingly under the action of the driving motor, so that the hardware can rotate accordingly. Under the operation of the servo motor 13, the rotating rod 14 can rotate accordingly, so that the mounting plate 16 and the rough grinding plate 2 can rotate accordingly, so that the rough grinding plate 2 can be used to perform rough grinding on the side of the hardware accordingly. During this process, the bearing ring 18 will rotate accordingly, so that the four groups of support rods 181 can rotate accordingly, so that the bottom ends of the four groups of sliding rods 182 can slide accordingly inside the annular groove 12. The setting of the bearing ring 18, the support rod 181 and the sliding rod 182 can make The rotating rod 14 is more stable when rotating, and the mounting plate 16 is also more stable when rotating. When the coarse grinding disc 2 needs to be replaced accordingly, the driving motor and the servo motor 13 can be turned off at the same time first, and then the four groups of mounting bolts 25 are rotated accordingly, so that the bottom ends of the four groups of mounting bolts 25 can be respectively rotated out from the inside of the corresponding mounting holes 17 and respectively located in the inside of the corresponding through holes 22. At this time, the four groups of mounting plates 24 can still be installed by movably threading the mounting bolts 25 with the coarse grinding disc 2. At this time, the user can hold the holding rod 23 and rotate it accordingly, so that the coarse grinding disc 2 and the threaded column 21 can be rotated accordingly, so that the threaded column 21 can be rotated out from the inside of the threaded hole 15, thereby completing the disassembly between the coarse grinding disc 2 and the rotating rod 14, and then according to the above operation, the reverse operation can be performed to install the fine grinding disc, so that the hardware can be finely polished.

[0023] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hardware processing fine grinding device, comprising a workbench (1), characterized in that: A placement groove (11) is provided at a position close to one side of the top end of the workbench (1), and an annular groove (12) is provided at a position close to the outside of the placement groove (11) on the top surface of the workbench (1), a servo motor (13) is installed inside the placement groove (11), and the output end of the servo motor (13) is connected to a rotating rod (14) in a transmission manner, a threaded hole (15) is provided inside the rotating rod (14), and a mounting plate (16) is installed on the outer surface of the rotating rod (14) close to the top end, and the mounting plate (16) is installed on the outer surface of the rotating rod (14) The top surface of the mounting plate (16) is provided with four groups of mounting holes (17), the threaded holes (15) are movably screwed with threaded columns (21), and a coarse grinding disc (2) is mounted on the top of the threaded columns (21), the coarse grinding disc (2) is provided with four groups of through holes (22), and a hand-held rod (23) is mounted on the top of the coarse grinding disc (2), and four groups of mounting plates (24) are mounted on the side surfaces of the hand-held rod (23), and mounting bolts (25) are movably screwed inside the four groups of mounting plates (24).

2. A hardware processing fine grinding device according to claim 1, characterized in that: A bearing ring (18) is installed at a middle position of the outer surface of the rotating rod (14), four groups of support rods (181) are installed at the top end of the bearing ring (18), and four groups of sliding rods (182) are installed at the bottom end of the bearing ring (18).

3. A hardware processing fine grinding device according to claim 2, characterized in that: The top ends of the four groups of support rods (181) are all mounted on the bottom end of the mounting plate (16).

4. A hardware processing fine grinding device according to claim 2, characterized in that: The bottom ends of the four groups of sliding rods (182) extend into the interior of the annular groove (12) and are slidably connected thereto.

5. The hardware processing fine grinding device according to claim 1, characterized in that: The bottom surfaces of the four groups of mounting plates (24) are all arranged to fit the top surface of the coarse grinding disc (2).

6. The hardware processing fine grinding device according to claim 1, characterized in that: The bottom ends of the four groups of mounting bolts (25) respectively penetrate the interior of the coarse grinding disc (2) through corresponding through holes (22) and are in a movable threaded connection with the corresponding mounting holes (17).

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