Screw head grinding device
By designing a screw head grinding device including a U-shaped guide rail, a screw support positioning mechanism and a flexible grinding mechanism, the problem of low grinding efficiency of screw heads and unsuitable for round head screws in the prior art is solved, and efficient and stable screw head grinding is achieved.
Patent Information
- Application Number
- CN202520474993.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2035-03-18
AI Technical Summary
The existing screw head grinding device has low working efficiency and high strength, and is not convenient to grind round head screws.
A screw head grinding device including a U-shaped guide rail, a screw support positioning mechanism and a flexible grinding mechanism is designed. The screw support positioning mechanism realizes the circular motion and horizontal movement of the screws through the servo motor and the driving gear, and the flexible grinding mechanism uses a flexible steel wire grinding belt to achieve simultaneous polishing of multiple screws.
It improves the efficiency and stability of screw head polishing, and can grind multiple screws at the same time. It is suitable for flat head screws and round head screws, reducing working strength.
Smart Images

Figure CN222768032U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of grinding devices, in particular to a screw head grinding device. Background Art
[0002] During the production and processing of screws, in order to remove burrs on the screw heads and improve the smoothness of the screw heads, it is usually necessary to grind the screw heads. Existing grinding devices usually need to clamp and fix the screws one by one, and then use a grinding disc to grind the screws one by one. This method not only has low work efficiency and high work intensity, but also is not convenient for grinding round head screws. Therefore, the present application proposes a screw head grinding device. Utility Model Content
[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a screw head grinding device, which effectively solves the problem that the existing grinding device has a poor use effect.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screw head grinding device, comprising a U-shaped guide rail, a controller is fixedly arranged at one end of the U-shaped guide rail, a screw support positioning mechanism is arranged at the end of the top of the U-shaped guide rail close to the controller, the screw support positioning mechanism is connected to the U-shaped guide rail through a driving assembly, and a flexible grinding mechanism is arranged at the end of the top of the U-shaped guide rail away from the screw support positioning mechanism;
[0005] The screw support positioning mechanism is composed of a support base, a rotating support sleeve, a servo motor, a driving gear, an outer gear ring and a screw positioning seat. The support base is slidably connected to the top of the U-shaped guide rail, the rotating support sleeve is rotatably connected to the top of the support base through a bearing, the servo motor is fixedly connected to the side of the top of the support base, the driving gear is fixedly connected to the output shaft of the servo motor, the outer gear ring is fixedly connected to the top of the arc-shaped outer surface of the rotating support sleeve and meshed with the driving gear, the screw positioning seat is clamped at the top of the rotating support sleeve, and a screw positioning hole is opened at the top of the screw positioning seat;
[0006] The flexible grinding mechanism consists of four supporting legs, a driving motor, a transmission belt and a flexible steel wire grinding belt. The driving motor is fixedly connected to the top of the side of one of the supporting legs. The two rollers on the transmission belt are rotatably connected to the supporting legs through bearings. One end of one of the rollers on the transmission belt is connected to the output shaft of the driving motor, and the flexible steel wire grinding belt is connected to the outer surface of the transmission belt.
[0007] Preferably, a plurality of limiting holes are provided on the side of the bottom end of the rotating support sleeve, a plurality of limiting rods connected to the limiting holes are fixedly provided on the side of the bottom end of the screw positioning seat, and the bottom end of the limiting rod is a conical structure.
[0008] Preferably, the top ends of the front and back sides of the U-shaped guide rail are both provided with strip-shaped limiting sliding grooves slidably connected to the support base.
[0009] Preferably, the driving assembly consists of servo motor 2, drive gear 2 and a rack, servo motor 2 is fixedly connected to the bottom end of the front side of the support base, drive gear 2 is fixedly connected to the output shaft of servo motor 2, and the rack is fixedly connected to the bottom end of the front side of the U-shaped guide rail and meshingly connected with drive gear 2.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] (1) During operation, by setting a screw support and positioning mechanism consisting of a support base, a rotating support sleeve, a servo motor 1, a driving gear 1, an outer gear ring and a screw positioning seat, it is possible to support and limit multiple screws and drive the screws to perform circular motion. By setting a driving assembly consisting of a servo motor 2, a driving gear 2 and a rack, it is possible to drive the screw support and positioning mechanism to move horizontally. By setting a flexible grinding mechanism consisting of four support legs, a driving motor, a transmission belt and a flexible steel wire grinding belt, it is possible to grind multiple screws at the same time, thereby improving the grinding efficiency and being suitable for grinding flat head screws and round head screws.
[0012] (2) By setting a limit hole and a limit rod, the screw positioning seat can be limited, thereby improving the stability of the screw positioning seat. By setting a strip limit slide groove, the support base can be limited, thereby improving the stability of the support base. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.
[0014] In the attached picture:
[0015] Figure 1 This is one of the structural schematic diagrams of the screw head grinding device of the utility model;
[0016] Figure 2 This is the second structural schematic diagram of the screw head grinding device of the utility model;
[0017] Figure 3 This is a partial structural diagram of the screw head grinding device of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the screw positioning seat of the utility model;
[0019] Figure 5 This is a schematic diagram of the structure of the flexible grinding mechanism of the utility model;
[0020] In the figure: 1. U-shaped guide rail; 2. controller; 3. screw support positioning mechanism; 4. drive assembly; 5. flexible grinding mechanism; 6. support base; 7. rotating support sleeve; 8. servo motor one; 9. drive gear one; 10. outer gear ring; 11. screw positioning seat; 12. bearing; 13. screw positioning hole; 14. support leg; 15. drive motor; 16. transmission belt; 17. flexible steel wire grinding belt; 18. limit plug hole; 19. limit plug rod; 20. strip limit slide groove; 21. servo motor two; 22. drive gear two; 23. rack. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] Depend on Figures 1 to 5 The utility model provides a screw head grinding device, comprising a U-shaped guide rail 1, a controller 2 is fixedly arranged at one end of the U-shaped guide rail 1, a screw support positioning mechanism 3 is arranged at the top end of the U-shaped guide rail 1 close to the controller 2, the screw support positioning mechanism 3 is connected to the U-shaped guide rail 1 through a driving component 4, and a flexible grinding mechanism 5 is arranged at the top end of the U-shaped guide rail 1 away from the screw support positioning mechanism 3;
[0023] The U-shaped guide rail 1 can support the screw support and positioning mechanism 3, the driving assembly 4 can drive the screw support and positioning mechanism 3 to move horizontally, and the flexible grinding mechanism 5 can grind the screw;
[0024] The screw support positioning mechanism 3 is composed of a support base 6, a rotating support sleeve 7, a servo motor 8, a driving gear 9, an outer gear ring 10 and a screw positioning seat 11. The support base 6 is slidably connected to the top of the U-shaped guide rail 1, and the rotating support sleeve 7 is rotatably connected to the top of the support base 6 through a bearing 12. The servo motor 8 is fixedly connected to the side of the top of the support base 6, and the driving gear 9 is fixedly connected to the output shaft of the servo motor 8. The outer gear ring 10 is fixedly connected to the top of the arc-shaped outer surface of the rotating support sleeve 7 and meshed with the driving gear 9. The screw positioning seat 11 is clamped at the top of the rotating support sleeve 7, and a screw positioning hole 13 is opened at the top of the screw positioning seat 11;
[0025] Insert multiple screws into the screw positioning holes 13. When the screw supports the positioning mechanism 3 to move horizontally, the servo motor 8 drives the driving gear 9 to rotate. The driving gear 9 drives the outer gear ring 10 to rotate, thereby driving the screw positioning seat 11 to rotate. The screw positioning seat 11 drives multiple screws to perform circular motion, so that the screw heads are fully in contact with the flexible grinding mechanism 5, thereby improving the comprehensiveness and efficiency of grinding.
[0026] The flexible grinding mechanism 5 is composed of four supporting legs 14, a driving motor 15, a transmission belt 16 and a flexible steel wire grinding belt 17. The driving motor 15 is fixedly connected to the top of the side of one of the supporting legs 14. The two rollers on the transmission belt 16 are rotatably connected to the supporting legs 14 through bearings. One end of one of the rollers on the transmission belt 16 is connected to the output shaft of the driving motor 15. The flexible steel wire grinding belt 17 is connected to the outer surface of the transmission belt 16.
[0027] When the flexible grinding mechanism 5 is working, the driving motor 15 drives the transmission belt 16 to rotate, and the transmission belt 16 drives the flexible steel wire grinding belt 17 to rotate, and the flexible steel wire grinding belt 17 contacts the screw head to realize the flexible grinding operation;
[0028] A plurality of limiting plug holes 18 are provided on the side of the bottom end of the rotating support sleeve 7, and a plurality of limiting plug rods 19 connected to the limiting plug holes 18 are fixedly provided on the side of the bottom end of the screw positioning seat 11. The bottom end of the limiting plug rod 19 is a conical structure, and the screw positioning seat 11 can be limited by the limiting plug holes 18 and the limiting plug rod 19;
[0029] The top of the front and back sides of the U-shaped guide rail 1 are both provided with a strip-shaped limiting slide groove 20 which is slidably connected to the support base 6, so as to limit the support base 6;
[0030] The driving assembly 4 is composed of a servo motor 21, a driving gear 22 and a rack 23. The servo motor 21 is fixedly connected to the bottom end of the front side of the support base 6, the driving gear 22 is fixedly connected to the output shaft of the servo motor 21, and the rack 23 is fixedly connected to the bottom end of the front side of the U-shaped guide rail 1 and meshed with the driving gear 22.
[0031] The servo motor 21 drives the driving gear 22 to rotate, and the driving gear 22 moves relative to the rack 23, thereby driving the supporting base 6 to move horizontally.
[0032] During operation, by setting a screw support and positioning mechanism consisting of a support base, a rotating support sleeve, a servo motor 1, a driving gear 1, an outer gear ring and a screw positioning seat, it is possible to support and limit multiple screws, and drive the screws to perform circular motion. By setting a driving assembly consisting of a servo motor 2, a driving gear 2 and a rack, the screw support and positioning mechanism can be driven to move horizontally. By setting a flexible grinding mechanism consisting of four support legs, a driving motor, a transmission belt and a flexible steel wire grinding belt, multiple screws can be ground at the same time, thereby improving the grinding efficiency and being suitable for grinding flat head screws and round head screws. By setting a limiting socket and a limiting rod, the screw positioning seat can be limited, thereby improving the stability of the screw positioning seat. By setting a strip limiting slide groove, the support base can be limited, thereby improving the stability of the support base.
Claims
1. A screw head grinding device, comprising a U-shaped guide rail (1), characterized in that: A controller (2) is fixedly arranged at one end of the U-shaped guide rail (1); a screw support positioning mechanism (3) is arranged at the top end of the U-shaped guide rail (1) close to the controller (2); the screw support positioning mechanism (3) and the U-shaped guide rail (1) are connected via a driving assembly (4); and a flexible grinding mechanism (5) is arranged at the top end of the U-shaped guide rail (1) away from the screw support positioning mechanism (3); The screw support positioning mechanism (3) is composed of a support base (6), a rotating support sleeve (7), a servo motor (8), a driving gear (9), an outer gear ring (10) and a screw positioning seat (11); the support base (6) is slidably connected to the top of the U-shaped guide rail (1); the rotating support sleeve (7) is rotatably connected to the top of the support base (6) through a bearing (12); the servo motor (8) is fixedly connected to the side of the top of the support base (6); the driving gear (9) is fixedly connected to the output shaft of the servo motor (8); the outer gear ring (10) is fixedly connected to the top of the arc-shaped outer surface of the rotating support sleeve (7) and meshed with the driving gear (9); the screw positioning seat (11) is clamped to the top of the rotating support sleeve (7); and a screw positioning hole (13) is provided at the top of the screw positioning seat (11); The flexible grinding mechanism (5) is composed of four supporting legs (14), a driving motor (15), a transmission belt (16) and a flexible steel wire grinding belt (17). The driving motor (15) is fixedly connected to the top end of the side of one of the supporting legs (14). Two rollers on the transmission belt (16) are rotatably connected to the supporting legs (14) through bearings. One end of one of the rollers on the transmission belt (16) is connected to the output shaft of the driving motor (15). The flexible steel wire grinding belt (17) is connected to the outer surface of the transmission belt (16).
2. A screw head grinding device according to claim 1, characterized in that: A plurality of limiting insertion holes (18) are provided on the side of the bottom end of the rotating support sleeve (7), and a plurality of limiting insertion rods (19) connected to the limiting insertion holes (18) are fixedly provided on the side of the bottom end of the screw positioning seat (11), wherein the bottom ends of the limiting insertion rods (19) are of a conical structure.
3. A screw head grinding device according to claim 1, characterized in that: The top ends of the front and back sides of the U-shaped guide rail (1) are both provided with strip-shaped limiting sliding grooves (20) which are slidably connected to the support base (6).
4. A screw head grinding device according to claim 1, characterized in that: The driving assembly (4) is composed of a servo motor 2 (21), a driving gear 2 (22) and a rack (23); the servo motor 2 (21) is fixedly connected to the bottom end of the front side of the support base (6); the driving gear 2 (22) is fixedly connected to the output shaft of the servo motor 2 (21); and the rack (23) is fixedly connected to the bottom end of the front side of the U-shaped guide rail (1) and meshingly connected with the driving gear 2 (22).