Polishing device for ball machining

Abstract

According to the technical scheme, the grinding device for ball machining is characterized by comprising a grinding workbench and a rotating disc mechanism arranged on the grinding workbench, a clamping assembly used for clamping and fixing a ball valve ball is arranged on the rotating disc mechanism, a grinding mechanism is obliquely arranged on the grinding workbench, and the rotating disc mechanism is arranged on the grinding workbench. The grinding mechanism is arranged on the rotary table mechanism in a crossing mode and matched with a ball valve ball body, the rotary table mechanism comprises a grinding rotary table and a rotary table motor located on the lower side of a grinding workbench, the clamping assembly comprises a clamping fixing base and two clamping screws located on the two sides of the clamping fixing base, and the two clamping screws are connected with each other by arranging a ball body pressing rod. The ball pressing rod penetrates through the ball through hole of the ball valve ball and abuts against the bottom of the ball through hole. The device has the advantages of being simple in structure, wide in applicability, high in grinding speed and capable of facilitating feeding and discharging of the ball body of the ball valve.

Description

Technical Field

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

[0002] Ball valve, the opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control, especially for media containing fibers, tiny solid particles, etc. Multi-way ball valves can not only flexibly control the confluence, diversion, and flow direction switching of the media on the pipeline, but also close any channel and connect the other two channels. This type of valve should generally be installed horizontally in the pipeline. Ball valves are divided into pneumatic ball valves, electric ball valves, and manual ball valves according to the driving method. The ball of the ball valve is the opening and closing part in the ball valve.

[0003] In the production and processing of ball valves, the surface of the ball valves needs to be polished to improve the accuracy of the ball valves. However, existing ball polishing equipment is often not suitable for processing ball valves of various sizes and specifications, and has a relatively slow polishing speed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a grinding device for ball processing, which has the effects of simple structure, wide applicability, high grinding speed and convenient loading and unloading of ball valve balls.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding device for ball processing, comprising a grinding workbench and a turntable mechanism arranged on the grinding workbench, the turntable mechanism is provided with a clamping assembly for clamping and fixing the ball of a ball valve, a grinding mechanism is obliquely arranged on the grinding workbench, the grinding mechanism is straddled on the turntable mechanism and cooperates with the ball of the ball valve, the turntable mechanism comprises a grinding turntable and a turntable motor located on the lower side of the grinding workbench, the clamping assembly comprises a clamping fixing seat and two clamping screws located on both sides of the clamping fixing seat, the two clamping screws are symmetrical about the center of the mid-vertical line of the grinding turntable, and are fixedly connected to the grinding turntable by bolts, the two clamping screws are connected to each other by setting a ball pressure rod, the ball pressure rod passes through the ball through hole of the ball valve ball and is abutted against the bottom of the ball through hole.

[0006] By adopting the above technical solution, the turntable mechanism together with the clamping assembly clamps and fixes the ball valve ball and continuously rotates it, so that it is convenient for the grinding mechanism to grind the surface of the ball valve ball. The clamping seat is used to place the ball valve ball to prevent it from rolling, and the ball pressure rod passes through the ball through-hole and tightly presses the ball valve ball onto the clamping seat through the clamping screws on both sides to prevent it from shifting during the grinding process and affecting the grinding effect.

[0007] The present utility model is further configured as follows: the rotating shaft of the turntable motor penetrates through the grinding workbench, and the rotating shaft of the turntable motor is fixedly connected to the grinding turntable. A bearing structure adapted to the table surface of the grinding workbench is provided on the lower side of the grinding turntable.

[0008] By adopting the above technical solution, the turntable motor drives the grinding turntable to rotate, and the bearing structure not only supports the grinding turntable but also facilitates the rotation of the grinding turntable.

[0009] The present utility model is further configured as follows: both ends of the spherical pressing rod are fixedly provided with pressing rod connection heads integrated therewith. Connecting through holes adapted to the clamping screw are provided on the pressing rod connection heads, and a limit nut adapted to the pressing rod connection head is also sleeved on the clamping screw.

[0010] By adopting the above technical solution, the spherical pressing rod is connected to the clamping screw through the pressing rod connection head and the limit nut, thereby pressing the ball valve sphere on the clamping and fixing seat to prevent it from shifting during the grinding process and affecting the grinding effect.

[0011] The present utility model is further configured as follows: the clamping and fixing seat is arranged in a circular ring structure. A clamping chamfer adapted to the surface of the ball valve sphere is provided on the upper part of the clamping and fixing seat. A fixing convex ring integrated therewith is provided at the lower end of the clamping and fixing seat, and the fixing convex ring is fixedly connected to the grinding turntable by means of bolts.

[0012] By adopting the above technical solution, the clamping chamfer facilitates the placement and fixation of the ball valve sphere.

[0013] The present utility model is further configured as follows: the grinding mechanism includes a grinding bracket and a grinding structure arranged on the grinding bracket. The lower end of the grinding structure is attached to the surface of the ball valve sphere. The grinding bracket is arranged in a U-shaped structure. The grinding mechanism further includes lifting components located at both ends of the grinding bracket. The lifting components include lifting fixing seats and lifting brackets inserted through the lifting fixing seats. The upper parts of the lifting brackets are hingedly connected to both ends of the grinding bracket, and a flipping motor adapted to the grinding bracket is also provided on the lifting brackets.

[0014] By adopting the above technical solution, the grinding structure is attached to the surface of the ball valve sphere and the ball valve sphere rotates continuously under the action of the turntable mechanism, so that the grinding structure continuously grinds the surface of the ball valve sphere. At the same time, the flipping motor drives the grinding bracket to flip, so that the grinding structure grinds a larger range on the surface of the ball valve sphere, improving the grinding speed.

[0015] The utility model is further configured as follows: a lifting groove adapted to the lifting bracket is provided in the lifting fixing seat, and a lifting motor is provided in the lifting groove, a lifting screw rod is fixedly connected to the lifting motor, and the lifting screw rod is passed through the lifting bracket and is threadedly connected to the lifting bracket.

[0016] By adopting the above technical solution, the lifting motor drives the lifting screw to rotate, so that the lifting bracket can perform a lifting action on the lifting fixing seat, thereby ensuring the reliability of the lifting action.

[0017] The utility model is further configured as follows: the grinding bracket is also provided with a grinding motor fixedly connected thereto, the grinding structure is provided with a grinding connecting rod adapted thereto, the grinding connecting rod penetrates the grinding bracket and is movably connected thereto, the rotating shaft of the grinding motor and the grinding connecting rod are respectively provided with a driving gear and a driven gear meshingly connected thereto, the driven gear is sleeved on the grinding connecting rod and is slidably connected thereto.

[0018] By adopting the above technical solution, the grinding motor drives the grinding structure to rotate through the driving gear and the driven gear, thereby further improving the grinding speed of the ball valve ball.

[0019] In summary, the utility model has the following beneficial effects:

[0020] 1. The ball valve ball is clamped and fixed by the turntable mechanism together with the clamping assembly and rotated continuously, so that the grinding mechanism can grind the surface of the ball valve ball. The clamping seat is used to place the ball valve ball to prevent it from rolling, and the ball pressure rod passes through the ball through-hole and presses the ball valve ball tightly on the clamping seat through the clamping screws on both sides to prevent it from shifting during the grinding process and affecting the grinding effect;

[0021] 2. The grinding structure is attached to the surface of the ball valve and the ball valve rotates continuously under the action of the turntable mechanism, so that the grinding structure continuously grinds the surface of the ball valve. At the same time, the flip motor drives the grinding bracket to flip, so that the grinding structure grinds a larger range on the surface of the ball valve, thereby improving the grinding speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional diagram of the first embodiment of the present utility model.

[0023] Figure 2 It is a side view of the first embodiment of the present utility model.

[0024] Figure 3 It is a top view of the first embodiment of the utility model.

[0025] Figure 4 for Figure 3 Schematic diagram of the cross section at AA in the middle.

[0026] Figure 5 for Figure 3 Schematic diagram of the cross section at BB in the middle.

[0027] Figure 6 It is a three-dimensional diagram of the second embodiment of the present utility model.

[0028] Figure numerals: 1. grinding workbench; 2. turntable mechanism; 21. grinding turntable; 22. turntable motor; 23. bearing structure; 24. clamping seat; 241. clamping chamfer; 242. fixing convex ring; 25. clamping screw; 251. limiting nut; 26. ball pressure rod; 261. pressure rod connector; 3. ball of ball valve; 31. ball through hole; 4. grinding mechanism; 41. grinding bracket; 42. grinding structure; 421. grinding connecting rod; 422. driven gear; 43. lifting fixed seat; 431. lifting bracket; 432. lifting motor; 433. lifting screw; 44. flip motor; 45. grinding motor; 451. driving gear. DETAILED DESCRIPTION

[0029] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0030] Embodiment 1: This embodiment discloses a grinding device for ball processing, such as Figures 1 to 5 As shown, it includes a grinding workbench 1 and a turntable mechanism 2 arranged on the grinding workbench 1, the turntable mechanism 2 is provided with a clamping assembly for clamping and fixing the ball valve ball 3, and a grinding mechanism 4 is obliquely arranged on the grinding workbench 1. The grinding mechanism 4 is straddled on the turntable mechanism 2 and cooperates with the ball valve ball 3. The turntable mechanism 2 together with the clamping assembly clamps and fixes the ball valve ball 3 and continuously rotates it, so that the grinding mechanism 4 can grind the surface of the ball valve ball 3.

[0031] The turntable mechanism 2 includes a grinding turntable 21 and a turntable motor 22 located at the lower side of the grinding workbench 1. The rotating shaft of the turntable motor 22 passes through the grinding workbench 1 and is fixedly connected to the grinding turntable 21. A bearing structure 23 adapted to the table surface of the grinding workbench 1 is provided at the lower side of the grinding turntable 21. The turntable motor 22 drives the grinding turntable 21 to rotate, and the bearing structure 23 supports the grinding turntable 21 and facilitates the rotation of the grinding turntable 21.

[0032] The clamping assembly includes a clamping fixed seat 24 and two clamping screws 25 located on both sides of the clamping fixed seat 24. The two clamping screws 25 are centrosymmetric about the perpendicular bisector of the grinding turntable 21 and are fixedly connected to the grinding turntable 21 by bolts. The two clamping screws 25 are connected to each other by a spherical pressure rod 26. At both ends of the spherical pressure rod 26, there are integrally formed pressure rod connection heads 261. The pressure rod connection heads 261 are provided with connection through holes adapted to the clamping screws 25. The clamping screws 25 are also sleeved with limit nuts 251 adapted to the pressure rod connection heads 261. The spherical pressure rod 26 passes through the spherical through hole 31 of the ball valve sphere 3 and is in abutting connection with the bottom of the spherical through hole 31. The clamping fixed seat 24 is used to place the ball valve sphere 3 to prevent it from rolling. The spherical pressure rod 26 passes through the spherical through hole 31 and tightly presses the ball valve sphere 3 on the clamping fixed seat 24 through the clamping screws 25 on both sides, preventing it from shifting during the grinding process and affecting the grinding effect.

[0033] The clamping fixed seat 24 is arranged in an annular structure. The upper part of the clamping fixed seat 24 is provided with a clamping chamfer 241 adapted to the surface of the ball valve sphere 3. The lower end of the clamping fixed seat 24 is provided with an integral fixed convex ring 242. The fixed convex ring 242 is fixedly connected to the grinding turntable 21 by bolts. The clamping chamfer 241 facilitates the placement and fixation of the ball valve sphere 3.

[0034] The grinding mechanism 4 includes a grinding bracket 41 and a grinding structure 42 arranged on the grinding bracket 41. The lower end of the grinding structure 42 is attached to the surface of the ball valve sphere 3. The grinding bracket 41 is arranged in a U-shaped structure. The grinding mechanism 4 also includes lifting components located at both ends of the grinding bracket 41. The lifting components include a lifting fixed seat 43 and a lifting bracket 431 inserted into the lifting fixed seat 43. The lifting fixed seat 43 is provided with a lifting groove adapted to the lifting bracket 431, and a lifting motor 432 is arranged in the lifting groove. A lifting screw rod 433 is fixedly connected to the lifting motor 432. The lifting screw rod 433 passes through the lifting bracket 431 and is threadedly connected to the lifting bracket 431. The upper part of the lifting bracket 431 is hinged to both ends of the grinding bracket 41. The straight line where the hinge joint of the lifting bracket 431 and the grinding bracket 41 is located is collinear with the center of the ball valve sphere 3. A flipping motor 44 adapted to the grinding bracket 41 is also arranged on the lifting bracket 431. The grinding structure 42 is attached to the surface of the ball valve sphere 3 and the ball valve sphere 3 rotates continuously under the action of the turntable mechanism 2, so that the grinding structure 42 continuously grinds the surface of the ball valve sphere 3. At the same time, the flipping motor 44 drives the grinding bracket 41 to flip, so that the grinding structure 42 grinds a larger range on the surface of the ball valve sphere 3, improving the grinding speed.

[0035] The working process is as follows: when loading, the flip motor 44 drives the grinding bracket 41 to flip ninety degrees, and then the ball pressure rod 26 presses the ball valve ball 3 to be fixed on the clamping fixed seat 24, and the lifting assembly is height-adjusted so that the straight line at the hinge of the lifting bracket 431 and the grinding bracket 41 is colinear with the center of the ball valve ball 3, so that the flip motor 44 drives the grinding bracket 41 to rotate and the grinding structure 42 can always fit on the surface of the ball valve ball 3, and the turntable motor 22 drives the grinding turntable 21 to rotate, and then the grinding structure 42 grinds and polishes the surface of the ball valve ball 3; otherwise, unloading is carried out.

[0036] Embodiment 2: This embodiment differs from Embodiment 1 in that: Figure 6 As shown, the grinding bracket 41 is also provided with a grinding motor 45 fixedly connected thereto, and the grinding structure 42 is provided with a grinding connecting rod 421 adapted thereto, the grinding connecting rod 421 penetrates the grinding bracket 41 and is movably connected thereto, and the rotating shaft of the grinding motor 45 and the grinding connecting rod 421 are respectively provided with a driving gear 451 and a driven gear 422 which are meshed with each other, and the driven gear 422 is sleeved on the grinding connecting rod 421 and is slidably connected thereto, and the grinding motor 45 drives the grinding structure 42 to rotate to further increase the grinding speed.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the design concept of the present invention should be included in the protection scope of the present invention.

Claims

1. A grinding device for ball processing, comprising a grinding workbench (1) and a turntable mechanism (2) arranged on the grinding workbench (1), characterized in that: A clamping assembly for clamping and fixing the ball valve sphere (3) is provided on the turntable mechanism (2). A grinding mechanism (4) is obliquely arranged on the grinding workbench (1). The grinding mechanism (4) straddles the turntable mechanism (2) and cooperates with the ball valve sphere (3). The turntable mechanism (2) includes a grinding turntable (21) and a turntable motor (22) located on the lower side of the grinding workbench (1). The clamping assembly includes a clamping fixed seat (24) and two clamping screws (25) located on both sides of the clamping fixed seat (24). The two clamping screws (25) are centrosymmetric about the vertical bisector of the grinding turntable (21) and are fixedly connected to the grinding turntable (21) by bolts. The two clamping screws (25) are connected to each other by a sphere pressing rod (26). The sphere pressing rod (26) passes through the sphere through-hole (31) of the ball valve sphere (3) and abuts against the bottom of the sphere through-hole (31).

2. A ball processing grinding device according to claim 1, characterized in that: The rotating shaft of the turntable motor (22) penetrates through the grinding workbench (1), and the rotating shaft of the turntable motor (22) is fixedly connected to the grinding turntable (21). A bearing structure (23) adapted to the table surface of the grinding workbench (1) is arranged on the lower side of the grinding turntable (21).

3. A ball processing grinding device according to claim 1, characterized in that: Both ends of the sphere pressing rod (26) are fixedly provided with rod connection heads (261) integrated with it. A connection through-hole adapted to the clamping screw (25) is opened on the rod connection head (261). A limit nut (251) adapted to the rod connection head (261) is also sleeved on the clamping screw (25).

4. A ball processing grinding device according to claim 3, characterized in that: The clamping fixed seat (24) is arranged in a circular ring structure. A clamping chamfer (241) adapted to the surface of the ball valve sphere (3) is arranged on the upper part of the clamping fixed seat (24). A fixed convex ring (242) integrated with it is arranged at the lower end of the clamping fixed seat (24). The fixed convex ring (242) is fixedly connected to the grinding turntable (21) by bolts.

5. A ball processing grinding device according to claim 1, characterized in that: The grinding mechanism (4) includes a grinding bracket (41) and a grinding structure (42) arranged on the grinding bracket (41). The lower end of the grinding structure (42) is attached to the surface of the ball valve sphere (3). The grinding bracket (41) is arranged in a U-shaped structure. The grinding mechanism (4) further includes lifting components located at both ends of the grinding bracket (41). The lifting components include lifting fixed seats (43) and lifting brackets (431) inserted into the lifting fixed seats (43). The upper part of the lifting bracket (431) is hinged to both ends of the grinding bracket (41). A reversing motor (44) adapted to the grinding bracket (41) is also arranged on the lifting bracket (431).

6. A ball processing grinding device according to claim 5, characterized in that: A lifting groove adapted to the lifting bracket (431) is opened in the lifting fixed seat (43), and a lifting motor (432) is arranged in the lifting groove. A lifting screw rod (433) is fixedly connected to the lifting motor (432). The lifting screw rod (433) passes through the lifting bracket (431) and is threadedly connected to the lifting bracket (431).

7. A ball processing grinding device according to claim 6, characterized in that: The polishing bracket (41) is also provided with a polishing motor (45) fixedly connected thereto, and the polishing structure (42) is provided with a polishing connecting rod (421) adapted thereto, the polishing connecting rod (421) penetrates the polishing bracket (41) and is movably connected thereto, and a driving gear (451) and a driven gear (422) which are meshed and connected to each other are respectively sleeved on the rotating shaft of the polishing motor (45) and the polishing connecting rod (421), and the driven gear (422) is sleeved on the polishing connecting rod (421) and is slidably connected thereto.

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