Handheld grinding device

Abstract

The utility model discloses a handheld polishing device which comprises a machine shell, a polishing base is installed on the top of the machine shell, a first rotating shaft is rotationally connected to one side of the polishing base, a second rotating shaft is rotationally connected to the other side of the polishing base, polishing rotating wheels are installed on the top of the first rotating shaft and the top of the second rotating shaft, and a main motor is fixedly installed in the machine shell. The output end of the main motor is connected with a driving shaft, a driving gear is installed at the top of the driving shaft, a first driven gear is installed at the bottom of the first rotating shaft, a second driven gear is installed at the bottom of the second rotating shaft, one side of the driving gear is meshed with the first driven gear, and the other side of the driving gear is meshed with the second driven gear. According to the handheld polishing device, the two polishing rotating wheels rotate to polish a metal wire, an insulating layer on the edge of the metal wire is polished, the metal surface is exposed, the whole polishing device is manually operated, and polishing treatment work of the metal wire is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of metal wire grinding, in particular to a handheld grinding device. Background Art

[0002] Wire is a single flexible wire or rod of metal, usually cylindrical in shape. Wire can be used to bear loads or transmit electricity or signals. Wire can be solid, twisted, or braided. Wire is usually round in cross-section, but can also be square, hexagonal, flattened rectangular, or other cross-sectional shapes, perhaps for decorative purposes.

[0003] During the production process, an insulating layer is sometimes provided on the surface of the metal wire to protect the wire and the circuit. When the waste wire is recycled, the insulating layer on the surface of the metal wire needs to be removed to recycle the metal. The existing manual removal of the insulating layer is time-consuming and labor-intensive, which reduces work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a handheld grinding device to solve the problem proposed in the above background technology that in the production process of metal wires, an insulating layer is sometimes provided on the surface to protect the wires and circuits. When the waste wires are recycled, the insulating layer on the surface of the metal wires needs to be removed to recycle the metal. The existing manual removal of the insulating layer is time-consuming and labor-intensive, which reduces the work efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld grinding device, comprising a casing, a grinding seat is installed on the top of the casing, a side bolt is provided on one side of the grinding seat, a first rotating shaft is rotatably connected to one side of the grinding seat, a second rotating shaft is rotatably connected to the other side of the grinding seat, grinding wheels are installed on the top of the first rotating shaft and the top of the second rotating shaft, a main motor is fixedly installed inside the casing, a driving shaft is connected to the output end of the main motor, a driving gear is installed on the top of the driving shaft, a first driven gear is installed on the bottom of the first rotating shaft, a second driven gear is installed on the bottom of the second rotating shaft, one side of the driving gear is meshed with the first driven gear, and the other side of the driving gear is meshed with the second driven gear, a dust suction pipe for dust suction treatment on the top of the grinding seat is provided on one side of the casing, a dust collector is installed on one end of the dust suction pipe, a fixing belt is connected to the top of the front of the casing, one end of the dust suction pipe is wound and connected with a limiting rope, and the dust suction pipe is wound and connected with the fixing belt through the limiting rope.

[0006] Preferably, an operating switch is provided in the middle of the casing, and the surface of the operating switch is provided with anti-slip grooves. The main motor is electrically connected to the external power supply through the operating switch. The main motor is started by the operating switch, and the main motor drives the driving gear to rotate. The driving gear can drive the first driven gear and the second driven gear to rotate while rotating. The first driven gear rotates so that the first rotating shaft follows the rotation, and the grinding wheel connected to the first rotating shaft rotates. Similarly, the second driven gear rotates so that the second rotating shaft follows the rotation, and the grinding wheel connected to the second rotating shaft rotates. The rotation of the two grinding wheels can grind the metal wire, grind the insulating layer of the metal wire edge, and expose the metal surface. The entire grinding device is manually operated, which is convenient for the grinding processing of the metal wire and improves work efficiency.

[0007] Preferably, the top of the first rotating shaft and the top of the second rotating shaft are fixedly connected with a threaded column, the surface of the threaded column is threadedly connected with a clamping bolt, a pressure cover plate is provided between the clamping bolt and the grinding wheel, both sides of the grinding seat are threadedly connected with fixing bolts, and both sides of the top of the casing are provided with fixing holes matching the fixing bolts.

[0008] Preferably, the grinding wheel includes an inner support body and a metal brush, the outer side of the inner support body is provided with a metal brush, the middle part of the inner support body and the middle part of the metal brush are provided with mounting grooves, the two grinding wheels are symmetrically arranged, the second driven gear rotates so that the second shaft follows the rotation, and the grinding wheel connected to the second shaft rotates. The rotation of the two grinding wheels can grind the metal wire and grind the insulating layer on the edge of the metal wire, specifically, the metal brush on the outer side of the grinding wheel grinds the object.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] When grinding, a metal wire is placed between two grinding wheels, the metal wire contacts the surface of the grinding wheels, and the main motor is started to drive the driving shaft and the active gear to rotate. The active gear can drive the first driven gear and the second driven gear to rotate while rotating. The first driven gear rotates so that the first shaft follows the rotation, and the grinding wheel connected to the first shaft rotates. Similarly, the second driven gear rotates so that the second shaft follows the rotation, and the grinding wheel connected to the second shaft rotates. The rotation of the two grinding wheels can grind the metal wire, grind the insulating layer of the metal wire edge, and expose the metal surface. The entire grinding device is manually operated, which is convenient for the grinding processing of the metal wire and improves work efficiency. The dust generated during the grinding process can be absorbed by the vacuum cleaner and the dust suction duct to reduce pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a top structural diagram of the casing of the utility model;

[0013] Figure 3 This is a bottom structural diagram of the grinding seat of the utility model;

[0014] Figure 4 It is an enlarged structural diagram of the utility model A;

[0015] Figure 5 It is a structural diagram of the grinding wheel of the utility model.

[0016] In the figure: 1. casing; 2. grinding seat; 3. first rotating shaft; 4. second rotating shaft; 5. grinding wheel; 6. pressure cover plate; 7. side bolt; 8. main motor; 9. driving shaft; 10. driving gear; 11. operating switch; 12. anti-skid pattern; 13. first driven gear; 14. second driven gear; 15. threaded column; 16. clamping bolt; 17. fixing bolt; 18. fixing hole; 19. inner support body; 20. metal brush; 21. mounting groove; 22. dust suction pipe; 23. vacuum cleaner; 24. fixing belt; 25. limit rope. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1-5The utility model provides a handheld grinding device, including a casing 1, a grinding seat 2 is installed on the top of the casing 1, a side bolt 7 is provided on one side of the grinding seat 2, a first rotating shaft 3 is rotatably connected to one side of the grinding seat 2, a second rotating shaft 4 is rotatably connected to the other side of the grinding seat 2, a grinding wheel 5 is installed on the top of the first rotating shaft 3 and the top of the second rotating shaft 4, a main motor 8 is fixedly installed inside the casing 1, a driving shaft 9 is connected to the output end of the main motor 8, a driving gear 10 is installed on the top of the driving shaft 9, a first driven gear 13 is installed on the bottom of the first rotating shaft 3, a second driven gear 14 is installed on the bottom of the second rotating shaft 4, one side of the driving gear 10 is meshed with the first driven gear 13, and the other side of the driving gear 10 is meshed with the second driven gear 14, one side of the casing 1 A dust suction pipe 22 is provided for dust suctioning the top of the grinding seat 2, a dust collector 23 is installed at one end of the dust suction pipe 22, a fixing belt 24 is connected to the top of the front of the casing 1, one end of the dust suction pipe 22 is wound and connected with a limiting rope 25, the dust suction pipe 22 is wound and connected with the fixing belt 24 through the limiting rope 25, the input end of the dust suction pipe 23 is connected with the bottom of the dust suction pipe 22, the dust generated during the grinding process can be absorbed by the dust collector 23 and the dust suction pipe 22, and pollution is reduced, an operating switch 11 is provided in the middle of the casing 1, and an anti-slip pattern 12 is provided on the surface of the operating switch 11, the main motor 8 is electrically connected to the external power supply through the operating switch 11, both sides of the grinding seat 2 are threadedly connected with fixing bolts 17, and both sides of the top of the casing 1 are provided with fixing holes 18 matching the fixing bolts 17;

[0019] In this embodiment, the main motor 8 is started to drive the driving shaft 9 and the driving gear 10 to rotate. When the driving gear 10 rotates, it can drive the first driven gear 13 and the second driven gear 14 to rotate. The rotation of the first driven gear 13 causes the first rotating shaft 3 to rotate accordingly, and the grinding wheel 5 connected to the first rotating shaft 3 rotates. Similarly, the rotation of the second driven gear 14 causes the second rotating shaft 4 to rotate accordingly, and the grinding wheel 5 connected to the second rotating shaft 4 rotates. The rotation of the two grinding wheels 5 can perform a grinding operation on the metal wire.

[0020] See also Figure 1-5 The top of the first rotating shaft 3 and the top of the second rotating shaft 4 are both fixedly connected with a threaded column 15, the surface of the threaded column 15 is threadedly connected with a clamping bolt 16, and a pressure cover plate 6 is provided between the clamping bolt 16 and the grinding wheel 5;

[0021] In this embodiment, the grinding wheel 5 is pressed on the first rotating shaft 3 and above the first rotating shaft 3 by the pressing cover plate 6. The grinding wheel 5 can be pressed by the clamping bolt 16, and the grinding wheel 5 can be disassembled and replaced.

[0022] See also Figure 1-5The grinding wheel 5 includes an inner support body 19 and a metal brush 20. The outer side of the inner support body 19 is provided with a metal brush 20. The middle of the inner support body 19 and the middle of the metal brush 20 are provided with a mounting groove 21. The two grinding wheels 5 are symmetrically arranged.

[0023] In this embodiment, the mounting groove 21 corresponds to the threaded column 15 . After the mounting groove 21 of the grinding wheel 5 passes through the threaded column 15 , the grinding wheel 5 can be fixed by the clamping bolt 16 and the pressure cover plate 6 .

[0024] When in use, the utility model provides a handheld grinding device. During use, the grinding seat 2 is installed above the casing 1, and the grinding seat 2 can be fixed and limited by the fixing bolts 17 and the fixing holes 18. The grinding seat 2 is detachable and replaceable. When grinding, the metal wire is placed between the two grinding wheels 5, and the metal wire contacts the surface of the grinding wheel 5. The main motor 8 is started to drive the driving shaft 9 and the active gear 10 to rotate. When the active gear 10 rotates, it can drive the first driven gear 13 and the second driven gear 14 to rotate. The first driven gear 13 rotates so that the first rotating shaft 3 rotates accordingly, and the grinding wheel 5 connected to the first rotating shaft 3 rotates. Similarly, the second driven gear 14 rotates so that the second rotating shaft 4 rotates accordingly, and the grinding wheel 5 connected to the second rotating shaft 4 rotates. The rotation of the two grinding wheels 5 can grind the metal wire, grind the insulating layer of the metal wire edge, and expose the metal surface. The entire grinding device is manually operated, easy to use, and convenient for the grinding processing of the metal wire, thereby improving work efficiency.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A handheld grinding device, comprising a housing (1), characterized in that: A grinding seat (2) is installed on the top of the housing (1), a side bolt (7) is provided on one side of the grinding seat (2), a first rotating shaft (3) is rotatably connected to one side of the grinding seat (2), a second rotating shaft (4) is rotatably connected to the other side of the grinding seat (2), a grinding wheel (5) is installed on the top of the first rotating shaft (3) and the top of the second rotating shaft (4), a main motor (8) is fixedly installed inside the housing (1), a driving shaft (9) is connected to the output end of the main motor (8), a driving gear (10) is installed on the top of the driving shaft (9), a first driven gear (13) is installed on the bottom of the first rotating shaft (3), and a second driven gear (14) is installed on the top of the second rotating shaft (4). A second driven gear (14) is installed at the bottom of the rotating shaft (4); one side of the driving gear (10) is meshed with the first driven gear (13); the other side of the driving gear (10) is meshed with the second driven gear (14); one side of the housing (1) is provided with a dust suction pipe (22) for dust suctioning the top of the grinding seat (2); a dust collector (23) is installed at one end of the dust suction pipe (22); a fixing belt (24) is connected to the top of the front of the housing (1); one end of the dust suction pipe (22) is wound and connected with a limiting rope (25); the dust suction pipe (22) is wound and connected with the fixing belt (24) through the limiting rope (25).

2. A handheld grinding device according to claim 1, characterized in that: An operating switch (11) is provided in the middle of the housing (1), and an anti-slip pattern (12) is provided on the surface of the operating switch (11). The main motor (8) is electrically connected to an external power supply via the operating switch (11).

3. A handheld grinding device according to claim 1, characterized in that: The top ends of the first rotating shaft (3) and the second rotating shaft (4) are both fixedly connected with a threaded column (15), the surface of the threaded column (15) is threadedly connected with a clamping bolt (16), and a pressure cover plate (6) is provided between the clamping bolt (16) and the grinding wheel (5).

4. A handheld grinding device according to claim 1, characterized in that: Both sides of the grinding seat (2) are threadedly connected with fixing bolts (17), and both sides of the top of the housing (1) are provided with fixing holes (18) matching the fixing bolts (17).

5. The handheld grinding device according to claim 1, characterized in that: The grinding wheel (5) comprises an inner support body (19) and a metal brush (20), and the outer side of the inner support body (19) is provided with the metal brush (20).

6. A handheld grinding device according to claim 5, characterized in that: The middle of the inner support body (19) and the middle of the metal brush (20) are both provided with mounting grooves (21), and the two grinding wheels (5) are symmetrically arranged.

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