Butterfly valve machining clamp

Abstract

The utility model discloses a butterfly valve processing clamp which comprises a mounting plate, three sliding grooves are formed in the top end of the mounting plate, the sliding grooves are in an annular array, the inner walls of the sliding grooves are connected with mounting blocks in a sliding mode, one side of each mounting block is connected with a clamping block through a connecting assembly, the clamping blocks have various radians, and the clamping blocks are connected with the mounting blocks through connecting assemblies. The inner wall of the sliding groove is rotationally connected with a first threaded rod, the mounting block is in threaded fit with the outer wall of the first threaded rod, one end of the first threaded rod is connected with a driven bevel gear, a motor is mounted in the center of the interior of the mounting plate, and an output shaft of the motor is connected with a driving bevel gear. Through the arrangement of the sliding groove, the installation block, the clamping block, the first threaded rod and the connecting assembly, three-point clamping is conducted on a butterfly valve body or a valve plate, stability is high, the clamping block with the corresponding radian is replaced according to different diameters of butterfly valves, the clamping block can make stable contact with the outer side of the butterfly valve body or the valve plate, and it is guaranteed that clamping with different diameters is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valve processing, in particular to a butterfly valve processing fixture. Background Art

[0002] A butterfly valve, also known as a flap valve, is a simple regulating valve used for on / off control of low-pressure pipeline media. During the processing and testing of butterfly valves, fixtures are required to secure them for ease of processing and testing.

[0003] After searching, the Chinese patent publication number CN212601350U discloses a multifunctional fixture for butterfly valve processing, including a box body, a sliding rod welded on the top inner wall of the box body, a slider is slidably installed on the sliding rod, the bottom of the slider is hinged with a hinge rod, the hinge rod is hinged with a hinge block at one end away from the slider, a first clamping claw is welded at the bottom of the hinge block, a plurality of shock absorbers are welded in the first clamping claw, the top of the shock absorber is welded to the top of the first clamping claw, the bottom of the shock absorber is welded to the bottom of the first clamping claw, a first support rod is welded at both ends of the first clamping claw, the ends of the first support rod away from each other are slidably connected to the inner walls of both sides of the box body, and a threaded rod is rotatably installed in the fixed block.

[0004] When this patent is actually used, although the power motor can be started, the output end of the power motor will drive the first bevel gear, the first bevel gear will drive the second bevel gear, the second bevel gear will drive the threaded rod to rotate, and the threads on the threaded rod will drive the threaded block to move upward, and the upward movement of the threaded block will drive the L-shaped support rod to move upward, and finally the second clamping claw will be driven by the L-shaped support rod and move upward along the slide groove on one side of the box until the butterfly valve is tightly clamped by the first clamping claw and the second clamping claw, but there are many specifications of butterfly valves, and the diameters of each specification of butterfly valves are different. If the diameter difference is large, the first clamping claw and the second clamping claw of the above-mentioned device can only stably clamp the butterfly valve with the same radius as its radius. When clamping a butterfly valve with a diameter smaller than its radius, the stability of the butterfly valve clamping will be reduced, which will affect the subsequent work of the butterfly valve. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings in the prior art and to provide a butterfly valve processing fixture.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A butterfly valve processing fixture includes a mounting plate, three slide grooves are opened on the top of the mounting plate, the slide grooves are in a ring-shaped array, the inner wall of the slide groove is slidably connected to a mounting block, one side of the mounting block is connected to a clamping block through a connecting assembly, the clamping block has a variety of different curvatures, the inner wall of the slide groove is rotatably connected to a threaded rod, and the mounting block is threadedly matched with the outer wall of the threaded rod.

[0008] As a further solution of the present invention: one end of the threaded rod is connected to a driven bevel gear, a motor is installed in the center of the mounting plate, the motor output shaft is connected to the driving bevel gear, and multiple driven bevel gears are all in transmission meshing with the driving bevel gear.

[0009] As a further solution of the present invention: the connecting assembly includes a T-block and a slot, the T-block is fixed to the outer wall of one side of the mounting block, the slot is opened on the outer wall of one side of the clamping block, and the T-block is slidably matched with the inner wall of the slot.

[0010] As a further solution of the present invention: a cavity is opened on the inner wall of one side of the slot, the inner wall of the cavity is slidably fitted with a limiting ball head, and the outer wall of one end of the limiting ball head is connected to a limiting spring.

[0011] As a further solution of the present invention: the other end of the limit spring is connected to the cavity, and the outer wall of one side of the T-block is provided with a groove that cooperates with the limit ball head.

[0012] As a further solution of the present invention: one end of the mounting plate is rotatably connected to a base, and a movable groove is provided on an outer wall of the top end of the base.

[0013] As a further solution of the present invention: a moving block is slidably connected to the inner wall of the moving groove, one end of the moving block is rotatably connected to a support rod, and the other end of the support rod is rotatably connected to the outer wall of the bottom end of the mounting plate.

[0014] As a further solution of the present invention: the inner wall of the movable groove is rotatably connected to the second threaded rod, the outer wall of the second threaded rod is threadedly engaged with the movable block, a scale is provided on one side of the base, and the pointer shaft of the scale is engaged with the second threaded rod through a reduction gear set.

[0015] Compared with the prior art, the present invention provides a butterfly valve processing fixture with the following beneficial effects:

[0016] 1. The utility model is provided with a slide groove, a mounting block, a clamping block, a threaded rod and a connecting assembly to clamp the butterfly valve body or valve plate at three points, which has high stability. By replacing the clamping block with the corresponding curvature according to the different diameters of the butterfly valve, the clamping block can be in stable contact with the outer side of the butterfly valve body or valve plate, ensuring stable clamping of different diameters.

[0017] 2. The utility model is provided with a base, a movable groove, a second threaded rod, a movable block and a support rod. When processing the valve body or valve plate of the eccentric butterfly valve, the second threaded rod is rotated to drive the movable block to move along the movable groove, so that the support rod props up the mounting plate and tilts the mounting plate, which facilitates the processing of the valve body or valve plate of the eccentric butterfly valve.

[0018] 3. The utility model is provided with a scale and a reduction gear set. During the rotation of the threaded rod, the scale pointer shaft is driven by the reduction gear set to rotate, thereby displaying the inclination angle of the mounting plate, which is convenient for adjusting the angle.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a butterfly valve processing fixture proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of a butterfly valve processing fixture proposed by the utility model;

[0022] Figure 3 This is a schematic diagram of the connection structure between the mounting block and the clamping block of a butterfly valve processing fixture proposed by the present invention;

[0023] Figure 4 This is a structural diagram of a butterfly valve processing fixture connection assembly proposed by the utility model;

[0024] Figure 5 This is a side structural diagram of a butterfly valve processing fixture proposed by the utility model;

[0025] Figure 6 This is a schematic diagram of the transmission structure of the threaded rod 2 of the butterfly valve processing fixture and the scale proposed by the utility model.

[0026] In the figure: 1. Mounting plate; 2. Slide; 3. Mounting block; 4. Clamping block; 5. Threaded rod 1; 6. Driven bevel gear; 7. Driving bevel gear; 8. Motor; 9. T-block; 10. Slot; 11. Cavity; 12. Limiting ball head; 13. Limiting spring; 14. Base; 15. Moving groove; 16. Threaded rod 2; 17. Moving block; 18. Support rod; 19. Scale; 20. Reduction gear set. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0029] Example 1

[0030] A butterfly valve processing fixture, such as Figures 1 to 2 As shown, it includes a mounting plate 1, three slide grooves 2 are opened on the top of the mounting plate 1, the slide grooves 2 are in a ring array, the inner wall of the slide groove 2 is slidably connected to the mounting block 3, one side of the mounting block 3 is connected to the clamping block 4 through a connecting component, and the clamping block 4 has a variety of different curvatures, the inner wall of the slide groove 2 is rotatably connected to the threaded rod 5, the mounting block 3 is threadedly matched with the outer wall of the threaded rod 5, one end of the threaded rod 5 is connected to a driven bevel gear 6, a motor 8 is installed in the center of the interior of the mounting plate 1, the output shaft of the motor 8 is connected to the active bevel gear 7, and multiple driven bevel gears 6 are It is meshed with the active bevel gear 7. The connecting assembly includes a T-block 9 and a slot 10. The T-block 9 is fixed to the outer wall of one side of the mounting block 3. The slot 10 is opened on the outer wall of one side of the clamping block 4. The T-block 9 slides with the inner wall of the slot 10. A cavity 11 is opened on the inner wall of one side of the slot 10. The inner wall of the cavity 11 slides with a limiting ball head 12. The outer wall of one end of the limiting ball head 12 is connected to a limiting spring 13. The other end of the limiting spring 13 is connected to the cavity 11. The outer wall of one side of the T-block 9 is opened with a groove that is limited by the limiting ball head 12.

[0031] When clamping, the butterfly valve body or valve plate is placed between multiple clamping blocks 4, and the motor 8 drives the active bevel gear 7, which drives multiple threaded rods 5 to rotate synchronously through the transmission engagement between the active bevel gear 7 and the motor 8, so that the mounting block 3 slides along the slide groove 2 to clamp the butterfly valve body or valve plate. When clamping butterfly valve bodies or valve plates of different diameters, the clamping block 4 is pulled upward, and the limiting ball head 12 is squeezed by the T-block 9 to shrink into the inside of the cavity 11, so that the slot 10 and the T-block 9 slide relative to each other, and the clamping block 4 is removed. According to the butterfly valve body or valve plate, the clamping block 4 of the corresponding curvature is taken, and the T-block 9 is inserted into the slot 10 of the new clamping block 4. When the clamping block 4 is inserted into the fixed position, the limiting spring 13 pushes the limiting ball head 12 to insert into the groove to complete the fixation of the clamping block 4.

[0032] By providing a slide groove 2, a mounting block 3, a clamping block 4, a threaded rod 5 and a connecting component, the butterfly valve body or valve plate is clamped at three points, which has high stability. By replacing the clamping block 4 with a corresponding curvature according to the different diameters of the butterfly valve, the clamping block 4 can be in stable contact with the outer side of the butterfly valve body or valve plate, ensuring stable clamping of different diameters.

[0033] Example 2

[0034] A butterfly valve processing fixture, this embodiment makes the following improvements on the basis of embodiment 1, such as Figures 3 and 4 As shown, one end of the mounting plate 1 is rotatably connected to the base 14, and a moving groove 15 is provided on the outer wall of the top end of the base 14. A moving block 17 is slidably connected to the inner wall of the moving groove 15. One end of the moving block 17 is rotatably connected to a support rod 18, and the other end of the support rod 18 is rotatably connected to the outer wall of the bottom end of the mounting plate 1. The inner wall of the moving groove 15 is rotatably connected to a threaded rod 2 16, and the outer wall of the threaded rod 2 16 is threadedly engaged with the moving block 17. A scale 19 is provided on one side of the base 14, and the pointer shaft of the scale 19 is coupled with the threaded rod 2 16 through a reduction gear set 20.

[0035] When processing the valve body or valve plate of the eccentric butterfly valve, the threaded rod 2 16 is rotated to drive the moving block 17 to move along the moving groove 15, so that the support rod 18 props up the mounting plate 1 and tilts the mounting plate 1, which is convenient for processing the valve body or valve plate of the eccentric butterfly valve. During the rotation of the threaded rod 26, the pointer shaft of the scale 19 is driven to rotate through the reduction gear set 20 to display the inclination angle of the mounting plate 1, which is convenient for adjusting the angle.

[0036] By providing the base 14, the movable groove 15, the second threaded rod 16, the movable block 17 and the support rod 18, when processing the valve body or valve plate of the eccentric butterfly valve, the second threaded rod 16 is rotated to drive the movable block 17 to move along the movable groove 15, so that the support rod 18 props up the mounting plate 1 and tilts the mounting plate 1, which facilitates the processing of the valve body or valve plate of the eccentric butterfly valve.

[0037] By providing a scale 19 and a reduction gear set 20, during the rotation of the threaded rod 16, the reduction gear set 20 drives the pointer shaft of the scale 19 to rotate, displaying the inclination angle of the mounting plate 1, which is convenient for adjusting the angle.

[0038] Working principle: When clamping, place the butterfly valve body or valve plate between multiple clamping blocks 4, and the motor 8 drives the active bevel gear 7. The transmission engagement between the active bevel gear 7 and the motor 8 drives multiple threaded rods 5 to rotate synchronously, so that the mounting block 3 slides along the slide groove 2 to clamp the butterfly valve body or valve plate. When clamping butterfly valve bodies or valve plates of different diameters, pull the clamping block 4 upward, and the limiting ball head 12 is squeezed by the T-block 9 to shrink into the cavity 11, so that the slot 10 and the T-block 9 slide relative to each other, and the clamping block 4 is removed. According to the butterfly valve body or valve plate, take the clamping block 4 with the corresponding curvature, and put the T The mold block 9 is inserted into the slot 10 of the new clamping block 4. When the clamping block 4 is inserted into the fixed position, the limit spring 13 pushes the limit ball head 12 into the groove to complete the fixation of the clamping block 4; when processing the valve body or valve plate of the eccentric butterfly valve, the threaded rod 2 16 is rotated to drive the moving block 17 to move along the moving groove 15, so that the support rod 18 props up the mounting plate 1 and tilts the mounting plate 1, which is convenient for processing the valve body or valve plate of the eccentric butterfly valve. During the rotation of the threaded rod 2 16, the reduction gear set 20 drives the pointer shaft of the scale 19 to rotate, displaying the inclination angle of the mounting plate 1, which is convenient for adjusting the angle.

[0039] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A butterfly valve processing fixture, comprising a mounting plate (1), characterized in that: The top of the mounting plate (1) is provided with three slide grooves (2), the slide grooves (2) are in a ring array, the inner wall of the slide groove (2) is slidably connected to a mounting block (3), one side of the mounting block (3) is connected to a clamping block (4) through a connecting assembly, and the clamping block (4) has a variety of different curvatures, the inner wall of the slide groove (2) is rotatably connected to a threaded rod (5), and the mounting block (3) is threadedly matched with the outer wall of the threaded rod (5).

2. A butterfly valve processing fixture according to claim 1, characterized in that: One end of the threaded rod (5) is connected to a driven bevel gear (6), a motor (8) is installed in the center of the mounting plate (1), the output shaft of the motor (8) is connected to a driving bevel gear (7), and a plurality of driven bevel gears (6) are all in transmission meshing with the driving bevel gear (7).

3. A butterfly valve processing fixture according to claim 1, characterized in that: The connecting assembly comprises a T-shaped block (9) and a card slot (10), wherein the T-shaped block (9) is fixed to an outer wall of one side of the mounting block (3), and the card slot (10) is opened on an outer wall of one side of the clamping block (4), and the T-shaped block (9) is slidably matched with an inner wall of the card slot (10).

4. A butterfly valve processing fixture according to claim 3, characterized in that: A cavity (11) is formed on the inner wall of one side of the slot (10), and a limiting ball head (12) is slidably fitted on the inner wall of the cavity (11), and a limiting spring (13) is connected to the outer wall of one end of the limiting ball head (12).

5. A butterfly valve processing fixture according to claim 4, characterized in that: The other end of the limit spring (13) is connected to the cavity (11), and a groove for limiting and cooperating with the limit ball head (12) is provided on the outer wall of one side of the T-shaped block (9).

6. The butterfly valve processing fixture according to claim 1, characterized in that: One end of the mounting plate (1) is rotatably connected to a base (14), and a movable groove (15) is provided on the outer wall of the top end of the base (14).

7. A butterfly valve processing fixture according to claim 6, characterized in that: The inner wall of the movable groove (15) is slidably connected to a movable block (17), one end of the movable block (17) is rotatably connected to a support rod (18), and the other end of the support rod (18) is rotatably connected to the outer wall of the bottom end of the mounting plate (1).

8. The butterfly valve processing fixture according to claim 7, characterized in that: The inner wall of the movable groove (15) is rotatably connected to the second threaded rod (16), and the outer wall of the second threaded rod (16) is threadedly matched with the movable block (17). A scale (19) is provided on one side of the base (14), and the pointer shaft of the scale (19) is transmission-matched with the second threaded rod (16) via a reduction gear set (20).

Images