A grinding device for processing power valve stem

Abstract

The utility model belongs to the technical field of power valve stem processing, and is particularly a grinding device for power valve stem processing, comprising a workbench, a side plate welded on the top of the workbench, a rotating shaft rotatably connected to the side plate, a circular plate welded on the end of the rotating shaft, a groove opened on the circular plate, and a first electric push rod fixedly connected to the inner walls on both sides of the groove. The utility model makes the end of the power valve stem contact with the right side of the circular plate, and then starts the first electric push rod, the first electric push rod drives the corresponding connecting block to move, the connecting block drives the corresponding suction cup to move, so that the suction cup is fixed on the inner wall of the power valve stem, and then starts the first drive motor to drive the first gear to rotate through the second gear, the first gear drives the circular plate to rotate through the rotating shaft, the circular plate drives the power valve stem to rotate through the suction cup, and the power valve stem is continuously rotated for polishing, thereby preventing the phenomenon of inadequate polishing, automatically polishing, and improving polishing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of power valve stem processing, in particular to a grinding device for processing a power valve stem. Background Art

[0002] Valves are often seen in people's daily life and work. The size and function of valves are different for different application places. Valves are composed of multiple parts, including valve stems, valve seats, valve cores, etc. The valve stems need to be precision-controlled during production to avoid leakage. Therefore, the valve stems need to be polished during production.

[0003] When polishing the valve stem surface, manual polishing is required. Polishing the valve stem surface with a polishing machine is time-consuming and laborious, and it cannot be polished in place at one time. Therefore, we propose a polishing device for power valve stem processing to solve the above problems. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a grinding device for processing a power valve stem, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0008] A grinding device for processing a power valve stem comprises a workbench, a side plate is welded to the top of the workbench, a rotating shaft is rotatably connected to the side plate, a circular plate is welded to the end of the rotating shaft, a groove is opened on the circular plate, a first electric push rod is fixedly connected to the inner walls on both sides of the groove, a connecting block is fixedly connected to the output end of the first electric push rod, a suction cup is fixedly connected to one side of the connecting block, a first gear is fixedly connected to the other end of the rotating shaft, a first driving motor is fixedly connected to the left side of the side plate, a second gear is fixedly connected to the output shaft of the first driving motor, the second gear is meshed with the first gear, and a grinding assembly is provided above the workbench.

[0009] Furthermore, a circular groove is provided on the right side of the circular plate, and two limiting rods are slidably connected to the circular groove, and the ends of the limiting rods are fixedly connected to the left side of the circular plate.

[0010] Further, the grinding assembly includes an L-shaped plate, a rectangular hole, a reciprocating screw rod, and a second drive motor;

[0011] An L-shaped plate is welded to the top of the workbench, a rectangular hole is opened on the top inner wall of the L-shaped plate, a reciprocating screw is rotatably connected between the inner walls on both sides of the rectangular hole, a second drive motor is fixedly connected to the right side of the L-shaped plate, and the end of the reciprocating screw extends to the right side of the L-shaped plate and is fixedly connected to the output shaft of the second drive motor.

[0012] Furthermore, a moving plate is threadedly connected to the reciprocating screw, and a second electric push rod is fixedly connected to the bottom of the moving plate.

[0013] Furthermore, a grinding sheet is fixedly connected to the output end of the second electric push rod.

[0014] Furthermore, a vacuum cleaner is fixedly connected to the rear side of the L-shaped plate, a dust hood is fixedly connected to the inner wall of the rear side of the L-shaped plate, and an input pipe of the vacuum cleaner extends to the front side of the L-shaped plate and is connected and fixed to the dust hood.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a grinding device for processing a power valve stem, which has the following beneficial effects:

[0017] The utility model brings the end of the power valve stem into contact with the right side of the circular plate, and then starts the first electric push rod, which drives the corresponding connecting block to move, and the connecting block drives the corresponding suction cup to move, so that the suction cup is fixed on the inner wall of the power valve stem, and then starts the first driving motor to drive the first gear to rotate through the second gear, and the first gear drives the circular plate to rotate through the rotating shaft, and the circular plate drives the power valve stem to rotate through the suction cup, and the power valve stem is continuously rotated to perform polishing, thereby preventing the phenomenon of inadequate polishing, automatically performing polishing, and improving polishing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the rear three-dimensional structure of the utility model;

[0020] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 Schematic diagram of the three-dimensional structure on the other side.

[0022] In the figure: 1. workbench; 2. side panel; 3. rotating shaft; 4. circular plate; 5. groove; 6. first electric push rod; 7. connecting block; 8. suction cup; 9. first gear; 10. first drive motor; 11. second gear; 12. grinding assembly; 13. circular groove; 14. limit rod; 15. L-shaped plate; 16. rectangular hole; 17. reciprocating screw rod; 18. second drive motor; 19. moving plate; 20. second electric push rod; 21. grinding disc; 22. dust hood; 23. vacuum cleaner. DETAILED DESCRIPTION

[0023] 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. Example

[0024] like Figure 1-4 As shown, a grinding device for processing a power valve stem proposed in an embodiment of the utility model comprises a workbench 1, a side plate 2 is welded on the top of the workbench 1, a rotating shaft 3 is rotatably connected to the side plate 2, a circular plate 4 is welded on the end of the rotating shaft 3, a groove 5 is opened on the circular plate 4, a first electric push rod 6 is fixedly connected to the inner walls on both sides of the groove 5, a connecting block 7 is fixedly connected to the output end of the first electric push rod 6, a suction cup 8 is fixedly connected to one side of the connecting block 7, a first gear 9 is fixedly connected to the other end of the rotating shaft 3, a first drive motor 10 is fixedly connected to the left side of the side plate 2, a second gear 11 is fixedly connected to the output shaft of the first drive motor 10, and the second gear 11 is meshed with the first gear 9 A polishing assembly 12 is provided above the workbench 1, and the end of the power valve stem is brought into contact with the right side of the circular plate 4. Then, the first electric push rod 6 is started, and the first electric push rod 6 drives the corresponding connecting block 7 to move, and the connecting block 7 drives the corresponding suction cup 8 to move, so that the suction cup 8 is fixed on the inner wall of the power valve stem, and then the first drive motor 10 and the second drive motor 18 are started. The first drive motor 10 drives the first gear 9 to rotate through the second gear 11, and the first gear 9 drives the circular plate 4 to rotate through the rotating shaft 3. The circular plate 4 drives the power valve stem to rotate through the suction cup 8, and the power valve stem is continuously rotated for polishing, thereby preventing the phenomenon of inadequate polishing, automatic polishing, and improving polishing efficiency.

[0025] like Figure 3 As shown, in some embodiments, a circular groove 13 is opened on the right side of the circular plate 4, and two limit rods 14 are slidably connected to the circular groove 13. The ends of the limit rods 14 are fixedly connected to the left side of the circular plate 4. The limit rods 14 limit the circular plate 4 to improve the stability of the circular plate 4 during rotation.

[0026] like Figure 2 As shown, in some embodiments, the grinding assembly 12 includes an L-shaped plate 15, a rectangular hole 16, a reciprocating screw rod 17, and a second drive motor 18;

[0027] An L-shaped plate 15 is welded to the top of the workbench 1, and a rectangular hole 16 is opened on the top inner wall of the L-shaped plate 15. A reciprocating screw rod 17 is rotatably connected between the inner walls on both sides of the rectangular hole 16. A second drive motor 18 is fixedly connected to the right side of the L-shaped plate 15. The end of the reciprocating screw rod 17 extends to the right side of the L-shaped plate 15 and is fixedly connected to the output shaft of the second drive motor 18.

[0028] like Figure 1 As shown, in some embodiments, a movable plate 19 is threadedly connected to the reciprocating screw 17, a second electric push rod 20 is fixedly connected to the bottom of the movable plate 19, a grinding plate 21 is fixedly connected to the output end of the second electric push rod 20, and the position of the grinding plate 21 can be adjusted by the second electric push rod 20.

[0029] like Figure 1 As shown, in some embodiments, a vacuum cleaner 23 is fixedly connected to the rear side of the L-shaped plate 15, a dust hood 22 is fixedly connected to the inner wall of the rear side of the L-shaped plate 15, an input pipe of the vacuum cleaner 23 extends to the front side of the L-shaped plate 15 and is connected and fixed to the dust hood 22, the vacuum cleaner 23 is started during the grinding process, and the dust is processed by the vacuum cleaner 23 through the dust hood 22.

[0030] Working principle or structural principle, when in use, the end of the power valve stem is contacted with the right side of the circular plate 4, and then the first electric push rod 6 is started, the first electric push rod 6 drives the corresponding connecting block 7 to move, and the connecting block 7 drives the corresponding suction cup 8 to move, so that the suction cup 8 is fixed on the inner wall of the power valve stem, and then the first drive motor 10 and the second drive motor 18 are started, the first drive motor 10 drives the first gear 9 to rotate through the second gear 11, the first gear 9 drives the circular plate 4 to rotate through the rotating shaft 3, and the circular plate 4 drives the power valve stem to rotate through the suction cup 8, and at the same time the second drive motor 18 drives the reciprocating screw rod 17 to rotate, and the reciprocating screw rod 17 drives the grinding sheet 21 to reciprocate through the moving plate 19 and the second electric push rod 20, and the power valve stem is polished by the grinding sheet 21, and the power valve stem is polished by continuous rotation, thereby preventing the phenomenon of inadequate polishing, automatic polishing, and improving polishing efficiency.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A grinding device for processing a power valve stem, comprising a workbench (1), characterized in that: A side plate (2) is welded to the top of the workbench (1), a rotating shaft (3) is rotatably connected to the side plate (2), a circular plate (4) is welded to the end of the rotating shaft (3), a groove (5) is provided on the circular plate (4), first electric push rods (6) are fixedly connected to the inner walls on both sides of the groove (5), an output end of the first electric push rod (6) is fixedly connected to a connecting block (7), one side of the connecting block (7) is fixedly connected to a suction cup (8), the other end of the rotating shaft (3) is fixedly connected to a first gear (9), a first drive motor (10) is fixedly connected to the left side of the side plate (2), an output shaft of the first drive motor (10) is fixedly connected to a second gear (11), the second gear (11) is meshed with the first gear (9), and a grinding assembly (12) is provided above the workbench (1).

2. A grinding device for processing a power valve stem according to claim 1, characterized in that: A circular groove (13) is provided on the right side of the circular plate (4), and two limit rods (14) are slidably connected to the circular groove (13), and the ends of the limit rods (14) are fixedly connected to the left side of the circular plate (4).

3. A grinding device for processing a power valve stem according to claim 1, characterized in that: The grinding assembly (12) comprises an L-shaped plate (15), a rectangular hole (16), a reciprocating screw rod (17), and a second drive motor (18); An L-shaped plate (15) is welded to the top of the workbench (1), a rectangular hole (16) is opened on the top inner wall of the L-shaped plate (15), a reciprocating screw rod (17) is rotatably connected between the inner walls on both sides of the rectangular hole (16), a second drive motor (18) is fixedly connected to the right side of the L-shaped plate (15), and an end of the reciprocating screw rod (17) extends to the right side of the L-shaped plate (15) and is fixedly connected to the output shaft of the second drive motor (18).

4. A grinding device for processing a power valve stem according to claim 3, characterized in that: A moving plate (19) is threadedly connected to the reciprocating screw rod (17), and a second electric push rod (20) is fixedly connected to the bottom of the moving plate (19).

5. A grinding device for processing a power valve stem according to claim 4, characterized in that: A grinding sheet (21) is fixedly connected to the output end of the second electric push rod (20).

6. A grinding device for processing a power valve stem according to claim 3, characterized in that: A vacuum cleaner (23) is fixedly connected to the rear side of the L-shaped plate (15), a dust hood (22) is fixedly connected to the inner wall of the rear side of the L-shaped plate (15), and an input pipe of the vacuum cleaner (23) extends to the front side of the L-shaped plate (15) and is connected and fixed to the dust hood (22).

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