Arrow type float valve five-station self-grinding device

Abstract

The utility model discloses a five-station self-grinding device for an arrow type float valve, and belongs to the technical field of machinery. The device comprises a rack, a grinding head assembly, a sliding table assembly, a flexible shaft and a motor, the rack is of a frame structure, and the side face of the rack is in an h shape; five evenly-spaced grinding head assemblies are installed on a cross beam at the top of the rack, and five evenly-spaced sliding table assemblies are installed at the positions, corresponding to the positions under the grinding head assemblies, of the rack. Five motors which are evenly spaced are installed on the back side of each grinding head assembly and on a cross beam on the top of the machine frame, the driving ends of the motors face upwards, and a flexible shaft is arranged between the driving end of each motor and the corresponding grinding head assembly. Five groups of arrow type float valves can be simultaneously ground, the valve seat and the guide arrow are automatically ground, and the arrow type float valve grinding machine has the advantages of good grinding effect, high production efficiency, low manufacturing cost and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to a five -station self -polishing device of arrow type float valve belongs to mechanical technical field. BACKGROUND

[0002] Arrow type float valve has the advantages of good stability, convenient disassembly and reassembly and better sealing, and it does not have the defect that the flap type float valve is easy to fall off and block the water hole of the drill bit during use, and it is more reliable to use. Arrow type float valve is mainly composed of valve seat and valve core, and the valve core is mainly composed of guide arrow. The grinding of the arrow type float valve after spraying is mainly to grind the valve seat and the guide arrow. Due to the characteristics of the arrow type, professional grinding devices must be equipped for grinding. Since the grinding of the spherical valve core is separated from the grinding of the valve seat, the grinding of the arrow type float valve is self-grinding through the valve seat and the guide arrow, and finally the precise fit of the valve seat and the guide arrow is achieved. The existing spherical valve core grinding device is no longer suitable for the grinding processing of the arrow type float valve after spraying. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the utility model provides a five -station self -polishing device of arrow type float valve, which can grind five groups of arrow type float valves at the same time, and the grinding is self-grinding of the valve seat and the guide arrow, which has the advantages of good grinding effect, high production efficiency, low manufacturing cost and the like.

[0004] The utility model discloses a five -station self -polishing device of arrow type float valve, including frame, grinding head composition, sliding table composition, flexible shaft and motor, the frame is the frame structure, and the side of frame is h shape;Five evenly spaced grinding head compositions are installed on the crossbeam at the top of the frame, and five evenly spaced sliding table compositions are installed on the frame below the corresponding position of each grinding head composition;Five evenly spaced motors are installed on the crossbeam at the top of the frame on the back side of each grinding head composition, and the drive end of motor all faces up, and each motor is provided with a flexible shaft between the drive end and the corresponding grinding head composition.

[0005] Further, the grinding head composition includes a guide seat, a slide rail A, a rotating shaft seat, a bearing seat, a rotating shaft, a coupling flange, a chuck rod, a round nut, a sliding block a, an air cylinder and a cylinder fixing seat, the cylinder fixing seat is arranged in a vertical direction, one side of the cylinder fixing seat is fixed with the guide seat, the guide seat is fixedly connected with the frame, and the other side of the cylinder fixing seat is fixed with two slide rails A arranged in a vertical direction.

[0006] One side of the slide rail A is provided with a rotating shaft seat, two slide blocks a are arranged at the back of the rotating shaft seat, and the slide blocks a on each side are slidably connected with the slide rail A on the corresponding side.

[0007] Two bearing seats are installed on the front side of the shaft seat, spaced apart vertically. A vertical shaft is installed in the two bearing seats. A connecting flange is installed at the lower end of the shaft, and a chuck is installed at the lower end of the connecting flange. Inside the connection between the connecting flange and the chuck, a round nut is threaded to the end of the shaft. The round nut supports the connecting flange inside.

[0008] A grinding head is mounted on the chuck rod, and the top of the rotating shaft is fixedly connected to one end of the flexible shaft, while the other end of the flexible shaft is fixedly connected to the drive end of the motor.

[0009] Furthermore, the slide table comprises a slider b, a slide rail B, a three-jaw self-centering chuck, a mounting plate I, a cylinder, and a mounting plate II. The mounting plate II is mounted on the frame. A circular slide rail B is mounted on the circumferential direction of the top edge of the mounting plate II. A spaced mounting plate I is provided above the mounting plate II. Four evenly spaced sliders b are provided on the circumferential direction of the bottom of the mounting plate I, and the sliders b are slidably mounted on the slide rail B. A three-jaw self-centering chuck is mounted at the top center of the mounting plate I. A cylinder with its piston end facing upward is mounted below the mounting plate II. The piston end of the cylinder is connected to the three-jaw self-centering chuck to control the locking and releasing of the three-jaw self-centering chuck.

[0010] The beneficial effects of this utility model are: this utility model can grind five sets of arrow-type float valves at the same time. The grinding is self-grinding of the valve seat and the guide arrow, which can effectively achieve a precise fit between the valve seat and the guide arrow. It has the advantages of good grinding effect, high production efficiency and low manufacturing cost. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 yes Figure 1 Side view.

[0014] Figure 3 This is a schematic diagram of the slide assembly of this utility model.

[0015] Figure 4 This is a front view of the grinding head assembly of this utility model.

[0016] Figure 5 yes Figure 4 Side view.

[0017] Numbering on the map:

[0018] 1. Frame, 2. Grinding head assembly, 3. Slide table assembly, 4. Flexible shaft, 5. Motor, 6. Guide seat, 7. Slide rail A, 8. Rotary shaft seat, 9. Bearing seat, 10. Rotary shaft, 11. Connecting flange, 12. Chuck rod, 13. Round nut, 14. Slider a, 15. Air cylinder, 16. Cylinder fixing seat, 17. Slider b, 18. Slide rail B, 19. Three-jaw self-centering chuck, 20. Mounting plate I, 21. Cylinder, 22. Mounting plate II. Detailed Implementation

[0019] like Figure 1 As shown in Figure 5, a five-position self-grinding device for an arrow-type float valve includes a frame 1, grinding head assembly 2, slide assembly 3, flexible shaft 4, and motor 5. The frame 1 is a frame structure, and the side of the frame 1 is h-shaped. Five evenly spaced grinding head assemblies 2 are installed on the crossbeam at the top of the frame 1. At the position directly below each grinding head assembly 2, five evenly spaced slide assembly 3 are installed on the frame 1. On the back side of each grinding head assembly 2, five evenly spaced motors 5 are installed on the crossbeam at the top of the frame 1. The drive ends of the motors 5 all face upwards, and a flexible shaft 4 is provided between the drive end of each motor 5 and its corresponding grinding head assembly 2.

[0020] The grinding head assembly 2 includes a guide seat 6, a slide rail A7, a rotating shaft seat 8, a bearing seat 9, a rotating shaft 10, a connecting flange 11, a chuck rod 12, a round nut 13, a slider a14, an air cylinder 15, and a cylinder fixing seat 16. The cylinder fixing seat 16 is arranged vertically. The guide seat 6 is fixed on one side of the cylinder fixing seat 16 and is fixedly connected to the frame 1. Two slide rails A7 are arranged vertically at intervals on the other side of the cylinder fixing seat 16.

[0021] A rotating shaft seat 8 is provided on one side of the slide rail A7. Two spaced sliders a14 are provided on both sides of the back of the rotating shaft seat 8. Each slider a14 is slidably connected to the slide rail A7 on its respective side. A cylinder 15 with the piston end facing down is installed in the cylinder fixing seat 16. The piston end of the cylinder 15 is connected to the center of the back of the rotating shaft seat 8 through a connecting block.

[0022] Two bearing seats 9 are installed on the front side of the rotating shaft seat 8, arranged vertically and horizontally. A vertical rotating shaft 10 is installed in the two bearing seats 9. A connecting flange 11 is installed at the lower end of the rotating shaft 10. A chuck rod 12 is installed at the lower end of the connecting flange 11. Inside the connection between the connecting flange 11 and the chuck rod 12, a round nut 13 is threaded to the end of the rotating shaft 10. The round nut 13 supports the connecting flange 11 inside.

[0023] A grinding head is mounted on the chuck rod 12. The top end of the rotating shaft 10 is fixedly connected to one end of the flexible shaft 4, and the other end of the flexible shaft 4 is fixedly connected to the drive end of the motor 5.

[0024] The slide group 3 includes a slider b17, a slide rail B18, a three-jaw self-centering chuck 19, a mounting plate I 20, a cylinder 21, and a mounting plate II 22. The mounting plate II 22 is mounted on the frame 1. A circular slide rail B18 is mounted on the circumferential direction of the top edge of the mounting plate II 22. A spaced mounting plate I 20 is arranged above the mounting plate II 22. Four evenly spaced sliders b17 are arranged on the circumferential direction of the bottom of the mounting plate I 20, and the sliders b17 are slidably mounted on the slide rail B18. A three-jaw self-centering chuck 19 is mounted at the top center of the mounting plate I 20. A cylinder 21 with its piston end facing upward is mounted below the mounting plate II 22. The piston end of the cylinder 21 is connected to the three-jaw self-centering chuck 19 to control the locking and releasing of the three-jaw self-centering chuck 19.

[0025] During use, the workpiece is fixed in the three-jaw self-centering chuck 19. The piston end of the cylinder 21 extends to drive the three-jaw self-centering chuck 19 to clamp the workpiece, keeping it stationary. The output end of the motor I5 drives the rotating shaft 10 to rotate under the support of the two bearing seats 9 via the flexible shaft 4. The rotating shaft 10 drives the connecting flange 11, the chuck rod 12, and the grinding head to rotate simultaneously. The extension and retraction of the piston end of the air cylinder 15 can drive the rotating shaft seat 8 to move up and down under the sliding action of the slider a14 and the slide rail A7. The rotating shaft seat 8 drives the bearing seats 9, the rotating shaft 10, the chuck rod 12, and the grinding head to move up and down in the vertical direction together. In this way, the grinding head grinds the workpiece to achieve a precise fit between the workpieces. The grinding head and the workpiece are in a floating grinding process, and the length of the slide rail A7 meets the travel of the rotating shaft seat 8.

Claims

1. A five-position self-grinding device for an arrow-type float valve, characterized in that: The assembly includes a frame (1), a grinding head assembly (2), a slide assembly (3), a flexible shaft (4), and a motor (5). The frame (1) is a frame structure, and the side of the frame (1) is h-shaped. Five evenly spaced grinding head assemblies (2) are installed on the crossbeam at the top of the frame (1). At the position directly below each grinding head assembly (2), five evenly spaced slide assemblies (3) are installed on the frame (1). On the back side of each grinding head assembly (2), five evenly spaced motors (5) are installed on the crossbeam at the top of the frame (1). The drive ends of the motors (5) are all facing upwards, and a flexible shaft (4) is provided between the drive end of each motor (5) and its corresponding grinding head assembly (2).

2. The five-position self-grinding device for an arrow-type float valve according to claim 1, characterized in that: The grinding head assembly (2) includes a guide seat (6), slide rail A (7), rotating shaft seat (8), bearing seat (9), rotating shaft (10), connecting flange (11), chuck rod (12), round nut (13), slider a (14), air cylinder (15) and cylinder fixing seat (16). The cylinder fixing seat (16) is arranged vertically. The guide seat (6) is fixed on one side of the cylinder fixing seat (16). The guide seat (6) is fixedly connected to the frame (1). Two slide rails A (7) are arranged vertically at intervals on the other side of the cylinder fixing seat (16). A rotating shaft seat (8) is provided on one side of the slide rail A (7). Two spaced sliders a (14) are provided on both sides of the back of the rotating shaft seat (8). Each slider a (14) is slidably connected to the slide rail A (7) on its respective side. A cylinder (15) with the piston end facing down is installed in the cylinder fixing seat (16). The piston end of the cylinder (15) is connected to the center of the back of the rotating shaft seat (8) through a connecting block. Two bearing seats (9) are installed on the front side of the rotating shaft seat (8) with the upper and lower sides spaced apart. A vertical rotating shaft (10) is installed in the two bearing seats (9). A connecting flange (11) is installed at the lower end of the rotating shaft (10). A chuck rod (12) is installed at the lower end of the connecting flange (11). Inside the connection between the connecting flange (11) and the chuck rod (12), a round nut (13) is threaded to the end of the rotating shaft (10). The round nut (13) supports the connecting flange (11) inside. A grinding head is installed on the chuck (12), the top end of the rotating shaft (10) is fixedly connected to one end of the flexible shaft (4), and the other end of the flexible shaft (4) is fixedly connected to the drive end of the motor (5).

3. The five-position self-grinding device for an arrow-type float valve according to claim 1, characterized in that: The slide table (3) consists of a slider b (17), a slide rail B (18), a three-jaw self-centering chuck (19), a mounting plate I (20), a cylinder (21), and a mounting plate II (22). The mounting plate II (22) is mounted on the frame (1). A circular slide rail B (18) is mounted on the circumferential direction of the top edge of the mounting plate II (22). A spaced mounting plate I (20) is provided above the mounting plate II (22). Four evenly spaced sliders b (17) are provided on the bottom circumferential direction of the mounting plate I (20). The sliders b (17) are slidably mounted on the slide rail B (18). A three-jaw self-centering chuck (19) is mounted at the top center of the mounting plate I (20). A cylinder (21) with the piston end facing upward is mounted below the mounting plate II (22). The piston end of the cylinder (21) is connected to the three-jaw self-centering chuck (19) to control the locking and releasing of the three-jaw self-centering chuck (19).

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