CN102398211B - A gate valve gate grinding device - Google Patents

Abstract

The present invention provides a gate valve plate grinding device applied to the field of gate valve plate processing and manufacturing technology. The grinding device comprises a base (1), a rotating shaft (2) movably mounted on the base (1), the rotating shaft (2) being connected to a motor I (4) driving the rotating shaft (2) to rotate via a pulley I (3), a swing arm (5) being mounted on one end of the rotating shaft (2) extending out of the base (1), the swing arm (5) comprising more than one arm rod (6), each end of each arm rod (6) being respectively mounted with a pin (7) extending toward the surface direction of the base (1), the gate valve plate grinding device of the present invention has three arm rods, and thus has a total of 9 connecting arms, so that when the grinding device of the present invention performs valve plate grinding work, a total of 9 pins can work simultaneously, so that the grinding efficiency of the gate valve plate can be significantly improved, so that the grinding work is no longer time-consuming and labor-intensive, the daily output is significantly improved, and mass production of valve plates can be realized.

Description

A gate valve gate grinding device

technical field

The invention belongs to the technical field of gate valve gate processing and manufacturing, and more specifically relates to a gate valve gate grinding device.

Background technique

The grinding machine in the prior art is composed of a motor, a grinding disc, fixed tooling, etc. The grinding machine of this structure is driven by the motor or manually grinds. Due to the limitation of its own structure, the grinding machine in the prior art can intelligently complete the grinding of a single workpiece. Grinding, which makes the grinding efficiency of the gate valve gate low, the grinding work is time-consuming and laborious, and the daily output is low, resulting in a very limited number of assembly of the gate valve.

Contents of the invention

The technical problem to be solved by the present invention is to provide a gate valve grinding device with a simple structure and capable of significantly improving the grinding efficiency of the gate of the gate valve in view of the deficiencies of the prior art.

To solve the technical problems described above, the technical solution adopted by the present invention is:

The present invention is a grinding device for a gate valve. The grinding device includes a base, a rotating shaft movably installed on the base, and the rotating shaft is connected with a motor I that drives the rotating shaft through a pulley I. The rotating shaft extends A swing arm is installed at one end of the base, the swing arm includes more than one arm bar, and a thimble extending toward the surface of the base is respectively installed at the end of each arm bar.

A mandrel that can rotate freely is set inside the rotating shaft, and one end of the mandrel is connected with the motor II that drives the mandrel to rotate through the pulley II, and the other end of the mandrel extending out of the surface of the base is provided with a pulley III. A connecting rod is arranged at each end, and a pulley IV is installed at the end of each connecting rod, and more than one connecting rod arm is arranged at the other end of the connecting rod, and each connecting rod arm is provided with a vertically arranged thimble , the pulley IV at the end of the connecting rod is connected to the pulley III through a belt.

The swing arm connected to the rotating shaft is provided with three arms, and the three arms are arranged at an angle, and each of the connecting rods is provided with three link arms. Arranged at an angle, the surface of the base is provided with a platform connected to the surface of the base through bolts, and the platform is a plate-shaped structure.

The middle part of the thimble is set on the end of the connecting rod arm, the thimble head at one end of the thimble is set to a structure whose diameter is larger than the diameter of the thimble body, and the other end of the thimble near the platform is set to a conical structure. The surface is set to a structure whose diameter is larger than that of the thimble body, and the thimble is located between the end of the connecting rod and the cone surface and the spring is sleeved on the thimble body.

The rotating shaft and the base are movably connected through more than two bearings I, and the arm and the connecting rod are movably connected through more than two bearings II.

The pulley I and the swing arm are respectively provided with a mandrel lock nut, and the two mandrel lock nuts are respectively fixedly connected with the pulley I and the swing arm, and the two mandrel lock nuts are respectively passed through a Bearing III is movably connected with both ends of the mandrel.

The base is a frame structure, the base includes support legs, the edge of the base surface is provided with a raised rib for clamping the platform, and the motor I and motor II are installed on the support legs of the base .

The three arm rods are arranged at an angle of 120 degrees, and the three link arms are arranged at an angle of 120 degrees.

Adopt technical scheme of the present invention, can obtain following beneficial effect:

The gate valve disc grinding device of the present invention has three arm bars, so there are 9 connecting arms in total. In this way, when the grinding device of the present invention performs valve plate grinding work, a total of 9 thimbles can work at the same time. Like this, it can The grinding efficiency of the gate plate of the gate valve is obviously improved, so that the grinding work is no longer time-consuming and laborious, the daily output is significantly increased, and the mass production of the valve plate can be realized.

Description of drawings

The following is a brief description of the contents expressed in the drawings of this manual and the marks in the drawings:

Fig. 1 is the structural representation of gate valve gate grinding device of the present invention;

Fig. 2 is the schematic structural view of the swing arm of the gate valve gate grinding device of the present invention;

Fig. 3 is the schematic structural view of the connecting rod of the gate valve gate grinding device of the present invention;

The marks in the figure are: 1. Base; 2. Rotating shaft; 3. Pulley Ⅰ; 4. Motor Ⅰ; 5. Swing arm; 6. Arm lever; 7. Ejector; 8. Mandrel; 10. Motor Ⅱ; 11. Pulley Ⅲ; 12. Connecting rod; 13. Connecting rod arm; 14. Belt; 15. Platform; 16. Thimble head; 21. Bearing II; 22. Bearing III; 23. Mandrel lock nut; 24. Support leg; 25. Rib; 26. Pulley IV; 27. Bolt; 28. Control switch; 29. Valve plate.

Detailed ways

Below with reference to the accompanying drawings, through the description of the embodiments, the specific embodiments of the present invention, such as the shape, structure, mutual position and connection relationship between the various parts, the role and working principle of the various parts, etc., will be further described. Detailed instructions:

As shown in accompanying drawing 1-accompanying drawing 3, the present invention is a gate plate grinding device for a gate valve. The grinding device includes a base 1, a rotating shaft 2 movably installed on the base 1, and the rotating shaft 2 passes through a belt The wheel I3 is connected with the motor I4 that drives the rotating shaft 2 to rotate. The swing arm 5 is installed at one end of the rotating shaft 2 extending out of the base 1. The swing arm 5 includes more than one arm bar 6, and each end of each arm bar 6 is installed A thimble 7 extending toward the surface of the base 1 .

The rotating shaft 2 is provided with a free-rotating mandrel 8, one end of the mandrel 8 is connected to the motor II10 that drives the mandrel 8 through the pulley II9, and the other end of the mandrel 8 extending out of the surface of the base 1 is provided with a pulley III11 , each end of each arm 6 is provided with a connecting rod 12, each end of each connecting rod 12 is equipped with a pulley IV 26, and the other end of the connecting rod 12 is provided with more than one connecting rod arm 13, each of the Each of the connecting rod arms 13 is provided with a vertically arranged thimble 7 , and the pulleys IV26 at the ends of the connecting rods 12 are respectively connected to the pulley III11 through a belt 14 .

The swing arm 5 connected to the rotating shaft 2 is provided with three arm levers 6, and the three arm levers 6 are arranged at an angle, and each of the connecting rods 12 is provided with three link arms 13 respectively. The two link arms 13 are arranged at an angle, and the surface of the base 1 is provided with a platform 15 connected to the surface of the base 1 through bolts 27, and the platform 15 is a plate-like structure.

The middle part of the thimble 7 is set on the end of the link arm 13, the thimble head 16 at one end of the thimble 7 is set to a structure whose diameter is larger than the diameter of the thimble body, and the other end of the thimble 7 near the platform 15 is set to a tapered structure The conical surface 18 of the conical structure is set as a structure whose diameter is larger than that of the thimble body, and the thimble 7 is located between the end of the connecting rod 12 and the conical surface 18 and the spring 19 is sleeved on the thimble body.

The rotating shaft 2 is movably connected to the base 1 through more than two bearings I20, and the arm 6 and the connecting rod 12 are movably connected through more than two bearings II21.

The pulley I3 and the swing arm 5 are respectively provided with a mandrel lock nut 23, and the two mandrel lock nuts 23 are respectively fixedly connected with the pulley I3 and the swing arm 5, and the two mandrels are locked The nuts 23 are movably connected to both ends of the mandrel 8 through a bearing III 22 respectively.

The base 1 is a frame structure, the base 1 includes support legs 24, the edge of the surface of the base 1 is provided with a raised rib 25 for clamping the platform 15, the motor I4 and the motor II 10 is installed on the supporting legs 24 of the base 1 .

The three arm rods 6 are arranged in a structure arranged at an included angle of 120 degrees, and the three link arms 13 are arranged in a structure arranged at an included angle of 120 degrees.

In the gate grinding device for gate valves according to the present invention, the motor I4 drives the pulley I3 to rotate, and the pulley I then drives the rotating shaft 2 to rotate. Since the swing arm 5 is fixedly connected to the rotating shaft 2, when connected to the motor I4 When the control switch 28 controls the motor I4 to start, the rotating shaft rotates with the motor.

Three arm levers 6 are arranged on the swing arm 5, and each arm lever 6 is respectively connected with a connecting rod 12. Since the pulley IV26 connected with each connecting rod 12 is respectively connected with the pulley III11 through the belt 14, when the motor When II drives the mandrel 9 to rotate, the pulley III11 fixedly connected to the mandrel 9 drives the connecting rod on each arm bar to rotate, and like this, the rotation of the swing arm 5 drives the connecting rod to perform circular motion around the rotating shaft 2 at the same time.

The three thimbles 7 on the three link arms 13 of each connecting rod 12 also rotate because of the rotation of the connecting rod 12. When the gate valve gate needs to be ground, first smear the grinding powder on the platform 15, Then the valve plate is placed on the platform 15 , and the thimble 7 is pressed against the valve plate, and the thimble 7 will drive the valve plate to rotate, thereby grinding between the valve plate and the platform 15 fixed on the base 1 .

The motor I4 is driven by the control switch 28 to drive the pulley I3 to rotate. At this time, the motor I4 drives the pulley I3 and the swing arm 5 to transmit to the connecting rod 12. At this time, the connecting rod 12 and the thimble 7 on the connecting rod perform a revolution movement; and the motor The rotation of II10 drives the pulley II and mandrel 8 through the motor II10 to drive the pulley III11 and the connecting rod 12. At this moment, the thimble 5 rotates. The grinding work of the valve plate can be realized through the rotation of the thimble 7 driven by the swing arm 5 .

The structure of the present invention has three arm levers 6, so there are 9 connecting arms 13 in total. In this way, when the grinding device of the present invention performs valve plate grinding work, a total of 9 thimbles 7 can work at the same time. Like this, the valve can be significantly improved. The grinding efficiency of the gate plate of the plate valve makes the grinding work no longer time-consuming and laborious, the daily output is significantly increased, and the mass production of the valve plate can be realized.

In the structure of the present invention, since the spring 19 is set on the thimble body, when the thimble 7 is ground on the uneven valve plate, it can expand and contract to a certain extent according to the uneven surface of the valve plate, so as to avoid damage to the thimble 7 .

The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-mentioned manner, as long as various improvements are adopted in the method concept and technical solutions of the present invention, or the present invention is converted without improvement. The ideas and technical solutions of the invention that are directly applied to other occasions are within the protection scope of the present invention.

Claims (5)

1. A gate grinding device for a gate valve, the grinding device includes a base (1), a rotating shaft (2) movably installed on the base (1), and the rotating shaft (2) passes through the pulley I (3) It is connected with the motor I (4) that drives the rotation shaft (2), and the swing arm (5) is installed at one end of the rotation shaft (2) extending out of the base (1), and the swing arm (5) includes more than one arm lever ( 6), the end of each arm (6) is installed with a thimble (7) extending towards the surface of the base (1), and the shaft (2) is provided with a free-rotating mandrel (8), One end of the mandrel (8) is connected to the motor II (10) that drives the mandrel (8) through the pulley II (9), and the other end of the mandrel (8) extending out of the surface of the base (1) is provided with a pulley III ( 11), each end of each arm (6) is provided with a connecting rod (12), each end of each connecting rod (12) is equipped with a pulley IV (26), and the other end of the connecting rod (12) is provided with More than one link arm (13), each link arm (13) is provided with a vertically arranged thimble (7), and the pulley IV (26) at the end of the link (12) passes through a The belt (14) is connected to the pulley III (11), and the feature is that three arms (6) are arranged on the swing arm (5) connected to the rotating shaft (2), and one of the three arms (6) Each link (12) is provided with three link arms (13), and the three link arms (13) are arranged at an included angle. On the surface of the base (1) Set the platform (15) connected to the surface of the base (1) through bolts (27), the platform (15) is a plate-like structure, the middle part of the thimble (7) is set on the end of the link arm (13) , the thimble head (16) at one end of the thimble (7) is set to a structure whose diameter is larger than the diameter of the thimble body (17), and the other end of the thimble (7) close to the platform (15) is set to a conical structure. The tapered surface (18) of the structure is set to a structure whose diameter is larger than the diameter of the thimble body (17), and the thimble (7) is located on the thimble body (17) between the end of the connecting rod (12) and the tapered surface (18). spring (19). 2. The gate grinding device for gate valves according to claim 1, characterized in that: the rotating shaft (2) and the base (1) are movably connected by more than two bearings I (20), so The above-mentioned arm lever (6) and the connecting rod (12) are flexibly connected by more than two bearings II (21). 3. The gate grinding device for gate valves according to claim 1 or 2, characterized in that: the pulley I (3) and the swing arm (5) are respectively provided with a mandrel lock nut (23) , two mandrel lock nuts (23) are fixedly connected with the pulley I (3) and the swing arm (5) respectively, and the two mandrel lock nuts (23) are respectively connected with a bearing III (22) The two ends of the mandrel (8) are flexibly connected. 4. The gate grinding device for gate valves according to claim 3, characterized in that: the base (1) is a frame structure, the base (1) includes supporting legs (24), the base The edge of the surface of the seat (1) is provided with a raised rib (25) for clamping the platform (15), and the motor I (4) and motor II (10) are installed on the supporting legs of the base (1) (24) on. 5. The gate grinding device for gate valves according to claim 4, characterized in that: the three arms (6) are arranged at an angle of 120 degrees, and the three links A structure arranged at an angle of 120 degrees is arranged between the lever arms (13).

Images