Eccentric design structure of butterfly valve body turning and grinding composite machine tool

Abstract

The invention provides an eccentric design structure of a butterfly valve body turning and grinding composite machine tool. The eccentric design structure comprises a lathe bed, a sliding table arranged at the top of the lathe bed, a spindle box, a first fixing seat, a second fixing seat and a chuck, wherein the spindle box, the first fixing seat, the second fixing seat and the chuck are fixedly installed on the sliding table. According to the eccentric design structure of the butterfly valve body turning and grinding composite machine tool, the lead screw is rotated, the first sliding rail and the second sliding rail can be driven by the limiting plate to synchronously rotate around the axial direction of the rotary table, and then the directions of the turning tool and the grinding wheel can be adjusted according to the taper of the machining face of the butterfly valve body; the second sliding plate and the third sliding plate can be driven by the third servo motor and the fourth servo motor to move independently, meanwhile, the feeding amount of the turning tool and the feeding amount of the grinding wheel are adjusted independently, the structure is matched with a control system of the composite machine tool, follow-up grinding can be achieved, continuous turning and grinding of a machined face are achieved, and the machining efficiency is improved. And compared with a traditional equipment machining mode, the loss of the turning tool and the grinding wheel is small, and the workpiece surface machining quality is good.

Description

Technical Field

[0001] The invention relates to the technical field of butterfly valve body turning and grinding, and specifically discloses an eccentric design structure of a butterfly valve body turning and grinding composite machine tool. Background Art

[0002] The existing turning and grinding compound machine tools used for butterfly valve body processing need to first turn the sealing surface inside the butterfly valve body and then perform grinding operations. During this process, turning and grinding cannot be performed alternately and continuously on a single machine tool, resulting in low workpiece processing efficiency and high production costs. The feed rates of turning and grinding cannot be automatically adjusted according to the taper of the processing surface alone. Since the sealing surface has a certain taper, the wear of the turning tool and the grinding wheel is large. Summary of the invention

[0003] In view of the above-mentioned defects or deficiencies in the prior art, the present application aims to provide an eccentric design structure of a butterfly valve body turning and grinding composite machine tool, comprising a bed, a slide arranged on the top of the bed, a spindle box fixedly mounted on the slide, a first fixed seat, a second fixed seat and a chuck, a chuck mounted on the slide, a fixture fixedly mounted on the inner side of the chuck, and a butterfly valve body fixedly mounted on the fixture, wherein a slide is slidably connected to the top of the slide, a Z-axis is rotatably connected between the first fixed seat and the second fixed seat, an outer side of the Z-axis is threadedly sleeved with a connecting frame fixed to the bottom of the slide, an outer side of one end of the Z-axis is fixedly sleeved with an output shaft of a first servo motor through a sleeve, a first slide plate is slidably connected to the outer side of the top of the slide, a first driving mechanism fixedly mounted on the bottom of the slide is fixedly mounted, a turntable is rotatably connected to the top of the first slide plate, and the first slide plate is rotatably connected to the first slide rail and the second slide rail respectively through the turntable; The outer sides of the tops of the first slide rail and the second slide rail are respectively slidably connected with the second slide plate and the third slide plate, and the inner sides of the first slide rail and the second slide rail are respectively fixedly installed with the second driving mechanism and the third driving mechanism through the fixed frame, the top of the second slide rail is fixedly installed with a tool holder, the inner side of the tool holder is fixedly installed with a turning tool, and the top of the third slide rail is fixedly installed with a grinder, and the outer side of one end of the grinder is fixedly sleeved with a grinding wheel, and the first and second fixing columns are respectively arranged on one side of the bottom of the first slide rail and the second slide rail, and the outer sides of the first and second fixing columns are jointly movably sleeved with a limit plate, and the inner part of the middle part of the limit plate is movably sleeved with the third fixing column, and the top of the third fixing column is provided with an angle adjustment mechanism, and the outer sides of the bottom ends of the first, second and third fixing columns extending out of the limit plate are all clamped with snap rings.

[0004] Preferably, the second driving mechanism includes a third servo motor fixedly mounted on the fixed frame and a third support fixedly mounted on the inner bottom of the first slide rail, the interior of the third support is rotatably connected to a Z1 axis rotatably connected to the interior of the fixed frame, the outer side of one end of the Z1 axis extending to the inner side of the fixed frame is fixedly sleeved with an output shaft of the third servo motor through a bushing, and the outer side of the other end of the Z1 axis is threadedly sleeved with a fourth support fixedly mounted on the second slide plate.

[0005] Preferably, the third driving mechanism includes a fourth servo motor fixedly mounted on a fixed frame and a fifth support fixedly mounted on the inner bottom of the second slide rail, the interior of the fifth support is rotatably connected to a Z2 axis rotatably connected to the interior of the fixed frame, the outer side of one end of the Z2 axis extending to the inner side of the fixed frame is fixedly sleeved with an output shaft of the fourth servo motor through a bushing, and the outer side of the other end of the Z2 axis is threadedly sleeved with a sixth support fixedly mounted on the third slide plate.

[0006] Preferably, the angle adjustment mechanism includes a fixed shaft arranged on the first slide plate and an angle adjustment mechanism arranged on the top of the third fixed column, the outer movable sleeve of the fixed shaft is provided with a connecting plate, and the outer side of the top end of the fixed shaft extending out of the connecting plate is clamped with a clamping ring, the inner movable sleeve of the fixed sleeve is connected with a screw rod, the outer side of one end of the screw rod extending out of the fixed sleeve is provided with a turntable, and the outer side of the other end of the screw rod extending out of the fixed sleeve is clamped with a clamping ring, and the outer side of one end of the screw rod extending out of the clamping ring is threadedly sleeved with a threaded sleeve arranged on the top of the connecting plate.

[0007] Preferably, the first driving mechanism includes a second servo motor fixed on the slide and an X-axis rotatably connected to the inside of the slide, the outer side of one end of the X-axis is fixedly sleeved with the output shaft of the second servo motor through a sleeve, and the outer side of the other end of the X-axis is rotatably connected to a first support fixedly installed on the inner side of the slide, and the outer side of the middle part of the X-axis is threadedly sleeved with a second support fixedly installed on the first slide.

[0008] Compared with the prior art, the present invention has the following beneficial effects: 1. The eccentric design structure of the butterfly valve body turning and grinding compound machine tool, through the coordinated use of the turntable, the first slide rail, the second slide rail, the second slide plate, the third slide plate, the tool holder, and the grinder, enables the turning tool and the grinding wheel for turning and grinding the butterfly valve body to be installed on the top of the first slide plate at the same time, and under the drive of the second servo motor, the first slide plate can be driven to slide along the outer side of the slide seat while switching the positions of the turning tool and the grinding wheel, so that alternating continuous turning and grinding processing can be performed on a single machine tool. This compound machine tool integrates turning and grinding processes, reduces the number of workpiece clamping times, reduces the labor intensity of the operator, and improves work efficiency. At the same time, one machine tool completes the work content of two machine tools, reduces the equipment footprint, and reduces production costs.

[0009] 2. The eccentric design structure of the butterfly valve body turning and grinding compound machine tool can drive the first slide rail and the second slide rail to rotate synchronously around the axial direction of the turntable through the limit plate by rotating the screw rod, so that the orientation of the turning tool and the grinding wheel can be adjusted according to the taper of the butterfly valve body processing surface, and the second slide plate and the third slide plate can be driven by the third servo motor and the fourth servo motor to move separately, and the feed amount of the turning tool and the grinding wheel can be adjusted separately. This structure is matched with the control system of the compound machine tool to realize follow-up grinding and continuous turning and grinding of the processing surface. Compared with the traditional equipment processing method, this method has less loss to the turning tool and the grinding wheel and better surface processing quality of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a partial schematic diagram of the structure of the present invention; Figure 3 is a schematic diagram of a second driving mechanism of the present invention; Figure 4 It is a schematic diagram of the first driving mechanism of the present invention.

[0011] In the figure: 1, bed; 2, slide; 3, spindle box; 4, first fixed seat; 5, second fixed seat; 6, chuck; 7, fixture; 8, butterfly valve body; 9, slide; 10, Z axis; 11, first servo motor; 12, connecting frame; 13, first slide plate; 14, first driving mechanism; 141, second servo motor; 142, X axis; 143, first support; 144, second support; 15, turntable; 16, first slide rail; 17, second slide rail; 18, second slide plate; 19, third slide plate; 20, fixed frame; 21, second driving mechanism; 211, first Three servo motors; 212, third support; 213, Z1 axis; 214, fourth support; 22, third driving mechanism; 221, fourth servo motor; 222, fifth support; 223, Z2 axis; 224, sixth support; 23, tool holder; 24, turning tool; 25, grinder; 26, grinding wheel; 27, first fixed column; 28, second fixed column; 29, limit plate; 30, third fixed column; 31, angle adjustment mechanism; 311, fixed shaft; 312, fixed sleeve; 313, connecting plate; 314, screw rod; 315, turntable; 316, threaded sleeve. DETAILED DESCRIPTION

[0012] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant invention, rather than to limit the invention. It is also necessary to explain that, for ease of description, only the parts related to the invention are shown in the accompanying drawings.

[0013] The accompanying drawings in the embodiments of the present invention: different types of section lines in the drawings are not marked according to national standards, nor do they impose requirements on the materials of the components. Instead, they are used to distinguish the cross-sectional views of the components in the drawings.

[0014] See also Figure 1-4The eccentric design structure of the butterfly valve body turning and grinding composite machine tool includes a bed 1, a slide 2 arranged on the top of the bed 1, a spindle box 3 fixedly installed on the slide 2, a first fixed seat 4, a second fixed seat 5 and a chuck 6, the chuck 6 installed on the slide 2, a fixture 7 fixedly installed on the inner side of the chuck 6 and a butterfly valve body 8 fixedly installed on the fixture 7, a slide 9 is slidably connected above the slide 2, a Z axis 10 is rotatably connected between the first fixed seat 4 and the second fixed seat 5, the outer side of the Z axis 10 is threadedly sleeved with a connecting frame 12 fixed to the bottom of the slide 9, and the outer side of one end of the Z axis 10 is connected to the output shaft of the first servo motor 11 through a shaft sleeve. The fixed sleeve connection can drive the Z axis 10 to rotate through the drive of the first servo motor 11, and at the same time drive the slide 9 to move along the outer side of the slide 2 through the connecting frame 12, so as to quickly and preliminarily adjust the spacing between the turning tool 24, the grinding wheel 26 and the butterfly valve body 8, so as to facilitate the loading and unloading of the butterfly valve body 8. The outer side of the top of the slide 9 is slidably connected with a first slide 13, and the bottom of the first slide 13 is fixedly installed with a first driving mechanism 14 fixedly installed on the slide 9. The top of the first slide 13 is rotatably connected with a turntable 15, and the first slide 13 is rotatably connected with a first slide rail 16 and a second slide rail 17 through the turntable 15; The outer sides of the tops of the first slide rail 16 and the second slide rail 17 are slidably connected with the second slide plate 18 and the third slide plate 19, respectively, and the inner sides of the first slide rail 16 and the second slide rail 17 are respectively fixedly installed with the second driving mechanism 21 and the third driving mechanism 22 through the fixed frame 20, the top of the second slide rail 18 is fixedly installed with a tool holder 23, and the inner side of the tool holder 23 is fixedly installed with a turning tool 24, so that when the butterfly valve body 8 is driven by the spindle box 3 to rotate, the turning tool 24 can turn the machined surface of the inner side of the butterfly valve body 8, and the top of the third slide plate 19 is fixedly installed with a grinder 25, and the outer side of one end of the grinder 25 is fixedly sleeved with a grinding wheel 26, which can be driven by the drive of the grinder 25 to drive the grinding wheel 26 to rotate and can The inner machined surface of the butterfly valve body 8 is ground by a grinding wheel 26, and a first fixing column 27 and a second fixing column 28 are respectively provided on one side of the bottom of the first slide rail 16 and the second slide rail 17, and the outer sides of the first fixing column 27 and the second fixing column 28 are movably sleeved with a limit plate 29, and the inner movably sleeved in the middle of the limit plate 29 is provided with a third fixing column 30, and an angle adjustment mechanism 31 is provided on the top of the third fixing column 30, and the outer sides of the bottom ends of the first fixing column 27, the second fixing column 28 and the third fixing column 30 extending out of the limit plate 29 are all clamped with a clamping ring, and through the coordinated use of the first fixing column 27, the second fixing column 28 and the limit plate 29, the first slide rail 16 and the second slide rail 17 can synchronously rotate in the same direction around the axial direction of the turntable 15.

[0015] Among them, the second driving mechanism 21 includes a third servo motor 211 fixedly mounted on the fixed frame 20 and a third support 212 fixedly mounted on the inner bottom of the first slide rail 16. The third support 212 is internally rotatably connected to a Z1 axis 213 rotatably connected to the inside of the fixed frame 20. The Z1 axis 213 extends to the outer side of one end of the inner side of the fixed frame 20 and is fixedly sleeved with the output shaft of the third servo motor 211 through a sleeve. The outer side of the other end of the Z1 axis 213 is threadedly sleeved with a fourth support 214 fixedly mounted on the second slide 18. The drive of the third servo motor 211 can drive the Z1 axis 213 to rotate and at the same time drive the second slide 18 to move along the outer side of the first slide rail 16 through the fourth support 214, thereby automatically adjusting the axial turning feed amount of the turning tool 24 along the Z1 axis 213.

[0016] Among them, the third driving mechanism 22 includes a fourth servo motor 221 fixedly mounted on the fixed frame 20 and a fifth support 222 fixedly mounted on the inner bottom of the second slide rail 17, the internal rotation connection of the fifth support 222 is connected to a Z2 axis 223 rotatably connected to the inside of the fixed frame 20, the Z2 axis 223 extends to the outer side of one end of the inner side of the fixed frame 20 and is fixedly sleeved with the output shaft of the fourth servo motor 221 through a sleeve, and the outer side of the other end of the Z2 axis 223 is threadedly sleeved with a sixth support 224 fixedly mounted on the third slide plate 19, the drive of the fourth servo motor 221 can drive the Z2 axis 223 to rotate, and at the same time drive the third slide plate 19 to move along the outer side of the second slide rail 17 through the sixth support 224, thereby automatically adjusting the axial grinding feed amount of the grinding wheel 26 along the Z2 axis 223.

[0017] The angle adjustment mechanism 31 includes a fixed shaft 311 arranged on the first slide plate 13 and an angle adjustment mechanism 31 arranged on the top of the third fixed column 30, the outer movable sleeve of the fixed shaft 311 is provided with a connecting plate 313, and the outer side of the top end of the fixed shaft 311 extending out of the connecting plate 313 is clamped with a clamping ring, the inner movable sleeve of the fixed sleeve 312 is connected with a screw rod 314, the outer side of one end of the screw rod 314 extending out of the fixed sleeve 312 is fixedly provided with a rotating disk 315, and the outer side of the other end of the screw rod 314 extending out of the fixed sleeve 312 is clamped with a The outer side of the end of the screw rod 314 extending out of the outside of the screw ring is threadedly sleeved with a threaded sleeve 316 arranged on the top of the connecting plate 313. The screw rod 314 can be rotated by the turntable 315, and the limit plate 29 can be driven to move by the fixed sleeve 312 and the third fixed column 30. During the movement, the limit plate 29 can push the first slide rail 16 and the second slide rail 17 to rotate synchronously around the axial direction of the turntable 15, so that the structure can adjust the orientation of the turning tool 24 and the grinding wheel 26 according to the taper of the processing surface of the butterfly valve body 8.

[0018] Among them, the first driving mechanism 14 includes a second servo motor 141 fixed on the slide 9 and an X-axis 142 rotatably connected to the inside of the slide 9. The outer side of one end of the X-axis 142 is fixedly sleeved with the output shaft of the second servo motor 141 through a sleeve, and the outer side of the other end of the X-axis 142 is rotatably connected to a first support 143 fixedly installed on the inner side of the slide 9. The outer side of the middle part of the X-axis 142 is threadedly sleeved with a second support 144 fixedly installed on the first slide 13. The drive of the second servo motor 141 can drive the X-axis 142 to rotate and at the same time drive the first slide 13 to move along the outer side of the slide 9 through the second support 144, thereby switching the positions of the turning tool 24 and the grinding wheel 26. After the positions of the turning tool 24 and the grinding wheel 26 are switched, the turning and grinding feed amounts of the turning tool 24 and the grinding wheel 26 along the axial direction of the X-axis 142 can be adjusted by controlling the drive of the second servo motor 141.

[0019] When adjusting the turning and grinding angles of the turning tool 24 and the grinding wheel 26, the screw rod 314 is rotated by the turntable 315, and the limit plate 29 is driven to move through the meshing transmission between the screw rod 314 and the threaded sleeve 316. The limit plate 29 can rotate synchronously around the axial direction of the fixed shaft 311 during the movement. The movement of the limit plate 29 can push the first slide rail 16 and the second slide rail 17 to rotate around the axial direction of the turntable 15 through the first fixed column 27 and the second fixed column 28. The first slide rail 16 and the second slide rail 17 can drive the turning tool 24 and the grinding wheel 26 to rotate synchronously around the axial direction of the turntable 15 during the rotation, thereby realizing the adjustment of the turning angle of the turning tool 24 and the grinding angle of the grinding wheel 26. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. An eccentric design structure of a butterfly valve body turning and grinding composite machine tool, comprising a bed (1), a slide (2) arranged on the top of the bed (1), a spindle box (3) fixedly mounted on the slide (2), a first fixed seat (4), a second fixed seat (5) and a chuck (6), the chuck (6) mounted on the slide (2), a fixture (7) fixedly mounted on the inner side of the chuck (6), and a butterfly valve body (8) fixedly mounted on the fixture (7), characterized in that: A slide seat (9) is slidably connected to the top of the slide table (2); a Z axis (10) is rotatably connected between the first fixed seat (4) and the second fixed seat (5); an outer threaded sleeve of the Z axis (10) is connected to a connecting frame (12) fixed to the bottom of the slide seat (9); the outer side of one end of the Z axis (10) is fixedly sleeved to the output shaft of the first servo motor (11) through a sleeve; a first slide plate (13) is slidably connected to the outer side of the top of the slide seat (9); a first driving mechanism (14) fixedly installed on the slide seat (9) is fixedly installed at the bottom of the first slide plate (13); a turntable (15) is rotatably connected to the top of the first slide plate (13); and the first slide plate (13) is rotatably connected to a first slide rail (16) and a second slide rail (17) through the turntable (15); The outer sides of the tops of the first slide rail (16) and the second slide rail (17) are slidably connected to a second slide plate (18) and a third slide plate (19), respectively, and the inner sides of the first slide rail (16) and the second slide rail (17) are respectively fixedly mounted with a second drive mechanism (21) and a third drive mechanism (22) via a fixed frame (20), a tool holder (23) is fixedly mounted on the top of the second slide rail (18), a turning tool (24) is fixedly mounted on the inner side of the tool holder (23), a grinder (25) is fixedly mounted on the top of the third slide rail (19), and a grinding wheel is fixedly mounted on the outer side of one end of the grinder (25). (26), a first fixing column (27) and a second fixing column (28) are respectively arranged on one side of the bottom of the first slide rail (16) and the second slide rail (17), the outer sides of the first fixing column (27) and the second fixing column (28) are movably sleeved with a limit plate (29), the inner side of the middle part of the limit plate (29) is movably sleeved with a third fixing column (30), the top of the third fixing column (30) is provided with an angle adjustment mechanism (31), and the outer sides of the bottom ends of the first fixing column (27), the second fixing column (28) and the third fixing column (30) extending out of the limit plate (29) are all clamped with clamping rings.

2. The eccentric design structure of the butterfly valve body turning and grinding machine tool according to claim 1 is characterized by: The second driving mechanism (21) comprises a third servo motor (211) fixedly mounted on the fixing frame (20) and a third support (212) fixedly mounted on the inner bottom of the first slide rail (16); the interior of the third support (212) is rotatably connected to a Z1 shaft (213) rotatably connected to the interior of the fixing frame (20); the outer side of one end of the Z1 shaft (213) extending to the inner side of the fixing frame (20) is fixedly sleeved with an output shaft of the third servo motor (211) via a shaft sleeve; and the outer side of the other end of the Z1 shaft (213) is threadedly sleeved with a fourth support (214) fixedly mounted on the second slide plate (18).

3. The eccentric design structure of the butterfly valve body turning and grinding machine tool according to claim 1 is characterized by: The third driving mechanism (22) comprises a fourth servo motor (221) fixedly mounted on the fixing frame (20) and a fifth support (222) fixedly mounted on the inner bottom of the second slide rail (17); the interior of the fifth support (222) is rotatably connected to a Z2 axis (223) rotatably connected to the interior of the fixing frame (20); the outer side of one end of the Z2 axis (223) extending to the inner side of the fixing frame (20) is fixedly sleeved with an output shaft of the fourth servo motor (221) through a shaft sleeve; and the outer side of the other end of the Z2 axis (223) is threadedly sleeved with a sixth support (224) fixedly mounted on the third slide plate (19).

4. The eccentric design structure of the butterfly valve body turning and grinding machine tool according to claim 1 is characterized by: The angle adjustment mechanism (31) comprises a fixed shaft (311) arranged on the first slide plate (13) and an angle adjustment mechanism (31) arranged on the top of the third fixed column (30); the outer movably sleeve of the fixed shaft (311) is provided with a connecting plate (313), and the outer side of the top end of the fixed shaft (311) extending outside the connecting plate (313) is clamped with a clamping ring; the inner movably sleeve of the fixed sleeve (312) is provided with a screw rod (314); the outer side of one end of the screw rod (314) extending outside the fixing sleeve (312) is provided with a rotating disk (315), and the outer side of the other end of the screw rod (314) extending outside the fixing sleeve (312) is clamped with a clamping ring; the outer side of one end of the screw rod (314) extending outside the clamping ring is threadedly sleeved with a threaded sleeve (316) arranged on the top of the connecting plate (313).

5. The eccentric design structure of the butterfly valve body turning and grinding machine tool according to claim 1 is characterized by: The first driving mechanism (14) comprises a second servo motor (141) fixed on the slide (9) and an X-axis (142) rotatably connected to the inside of the slide (9); the outer side of one end of the X-axis (142) is fixedly sleeved with the output shaft of the second servo motor (141) via a sleeve, and the outer side of the other end of the X-axis (142) is rotatably connected to a first support (143) fixedly mounted on the inside of the slide (9); and the outer side of the middle part of the X-axis (142) is threadedly sleeved with a second support (144) fixedly mounted on the first slide plate (13).

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