Hole opening positioning structure for valve production

Abstract

The utility model relates to the technical field of valve tapping and positioning, in particular to a tapping and positioning structure for valve production, which comprises a base, a support plate mounted on the base, a valve body arranged on the support plate, a positioning disc connected to the outer side of the valve body, a limit frame arranged on the positioning disc, and a support frame mounted on the bottom side of the limit frame. A connecting plate is arranged on one side of the supporting frame, a synchronous tooth piece is connected to the bottom side of the positioning disc, and a rotating shaft is installed in the synchronous tooth piece. According to the scheme, the effect that the two ends of the valve cannot be synchronously positioned in the valve tapping process is reduced, the possibility that hole positions of holes in the two ends of the valve are difficult to detect at the same time is reduced, the possibility that the hole positions of the device are more accurate is improved, tapping work is more convenient, and the working efficiency is improved. And the detection effect of the device on the holes at the two ends of the valve body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve opening positioning technical field especially relates to a kind of opening positioning structure for valve production. BACKGROUND

[0002] Valve production opening positioning is a complex and accurate process, multiple factors need to be considered and corresponding measures are taken to ensure the accuracy of positioning. By selecting appropriate positioning reference, using positioning fixture and adjusting drilling device, the accuracy and efficiency of valve opening positioning can be effectively improved, so a kind of opening positioning structure for valve production is needed.

[0003] At present, the position of two sides opening of part valve is prone to deviation in the process of opening, and it is not convenient to detect the hole position of two sides, and the accuracy of valve opening positioning directly affects the performance and use effect of valve, if opening position is not accurate, it may cause valve sealing, fluid leakage and other problems, and even may cause safety accident, so a kind of opening positioning structure for valve production is proposed. SUMMARY

[0004] The utility model discloses a kind of opening positioning structure for valve production to solve the shortcomings in prior art.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] An opening positioning structure for valve production, comprising a base, the base is installed with a support plate, a valve body is arranged on the support plate, the outer side of the valve body is connected with a positioning disc, a limiting frame is arranged on the positioning disc, a supporting frame is installed at the bottom side of the limiting frame, a connecting plate is arranged on one side of the supporting frame, the bottom side of the positioning disc is connected with a synchronous tooth piece, and a rotating shaft is installed in the synchronous tooth piece.

[0007] Preferably, the support plate is fixedly installed on the top surface of the base, a placing groove is formed on the top surface of the support plate, the top end of the valve body is connected in the placing groove, and the valve body is hung on the support plate.

[0008] Preferably, an inner groove is arranged in the base, a gear is installed at the center position of the inner groove, two supporting frames are arranged, the two supporting frames are symmetrically connected between the inner grooves, a connecting plate is fixedly installed on the corresponding surface of the supporting frame, an external gear rack is welded on one side of the connecting plate, the external gear rack and the gear are intermeshed, a first motor is installed at the bottom side of the base, and the output end of the first motor is connected to the gear.

[0009] Preferably, a limit frame is installed on the support frame, and a positioning plate is rotatably connected inside the limit frame. An outer gear ring is welded and installed on the outer side of the positioning plate. An annular limit bar is fixedly installed on the front and rear sides of the outer gear ring. The limit bar and the outer gear ring are rotatably connected in the limit frame. The limit frames are respectively located on both sides of the valve body, and positioning holes are opened on the positioning plate.

[0010] Preferably, two limit plates are fixedly installed between the inner walls of the bottom side of the support frame, and limit rings are fixed on the corresponding surfaces of the two limit plates. Annular grooves are provided on the outer surfaces of both sides of the synchronous gear plate, and the limit rings are connected in the annular grooves. Synchronous grooves are provided in the synchronous gear plate.

[0011] Preferably, fixed frames are installed on both sides of the base, a rotating shaft is rotatably connected between the fixed frames, the rotating shaft is connected in the synchronization groove, the synchronization gear is movably connected to the outside of the rotating shaft, and a second motor is installed at one end of the rotating shaft, and the second motor is located on the outside of the fixed frame.

[0012] The beneficial effects of the utility model are:

[0013] This solution can more conveniently adjust the positions of the positioning disks on both sides through the connection of gears and connecting plates, can drive the positioning disks to rotate through synchronous gears, and can simultaneously drive the positioning disks on both sides to rotate using the rotating shaft, and facilitate the forward and backward movement of the limit frame.

[0014] This solution reduces the effect of being unable to synchronously position the two ends of the valve during the process of drilling the valve, reduces the possibility of difficulty in simultaneously detecting the hole positions of the holes at both ends of the valve, increases the possibility of the device to more accurately locate the holes, makes the drilling work more convenient, and also increases the effect of the device being more convenient in detecting the holes at both ends of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of an opening positioning structure for valve production proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of the main structure of an opening positioning structure for valve production proposed by the utility model;

[0017] Figure 3 It is a structural diagram of the limit frame and positioning plate;

[0018] Figure 4 It is a schematic diagram of the main structure of the limit frame and positioning plate.

[0019] In the figure: 1. Base; 2. Bracket plate; 3. Valve body; 4. Limiting frame; 5. Positioning plate; 6. Rotating shaft; 7. Support frame; 8. Connecting plate; 9. Gear; 10. Limiting bar; 11. Synchronizing groove; 12. Synchronizing gear plate; 13. Limiting plate; 14. First motor; 15. Second motor; 16. Positioning hole; 17. External gear ring. DETAILED DESCRIPTION

[0020] 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.

[0021] Example: Refer to Figure 1-4 , a hole positioning structure for valve production, including a base 1, a bracket plate 2 is installed on the base 1, a valve body 3 is arranged on the bracket plate 2, a positioning plate 5 is connected to the outside of the valve body 3, a limiting frame 4 is provided on the positioning plate 5, a support frame 7 is installed on the bottom side of the limiting frame 4, a connecting plate 8 is provided on one side of the support frame 7, a synchronous gear piece 12 is connected to the bottom side of the positioning plate 5, a rotating shaft 6 is installed in the synchronous gear piece 12, the bracket plate 2 is fixedly mounted on the top surface of the base 1, a placement groove is opened on the top surface of the bracket plate 2 to facilitate the taking out and putting in of the valve body 3, the top end of the valve body 3 is connected in the placement groove, and the valve body 3 is suspended on the bracket plate 2 for more convenient operation.

[0022] Specifically, an inner groove is provided in the base 1, and a gear 9 is installed at the center position of the inner groove. Two support frames 7 are provided, and the two support frames 7 are symmetrically connected between the inner grooves to act on the limiting movement of the support frames 7. Connecting plates 8 are fixedly installed on the corresponding surfaces of the support frames 7, and an external rack is welded on one side of the connecting plate 8. The external rack and the gear 9 mesh with each other to act on the synchronous movement of the support frames 7 on both sides, so as to achieve the effect of synchronously clamping the positioning plate 5 at both ends of the valve body 3. A first motor 14 is installed on the bottom side of the base 1, and the output end of the first motor 14 is connected to the gear 9.

[0023] Furthermore, a limit frame 4 is installed on the support frame 7 to provide a limiting support for the positioning plate 5. The positioning plate 5 is rotatably connected inside the limit frame 4. An outer gear ring 17 is welded and installed on the outer side of the positioning plate 5. An annular limit bar 10 is fixedly installed on the front and rear sides of the outer gear ring 17 to provide rotational support for the positioning plate 5. The limit bar 10 and the outer gear ring 17 are rotatably connected to the limit frame 4 to facilitate adjustment of the position of the positioning hole 16. The limit frame 4 is located on both sides of the valve body 3. Positioning holes 16 are provided on the positioning plate 5 to facilitate positioning of the opening and testing of the positions of the holes at both ends.

[0024] In this embodiment, two limit plates 13 are fixedly installed between the inner walls of the bottom side of the support frame 7. Limit rings are fixed on the corresponding surfaces of the two limit plates 13. Annular grooves are provided on the outer surfaces of both sides of the synchronous gear plate 12. The limit rings are connected in the annular grooves to support the synchronous gear plate 12 during rotation. Synchronous grooves 11 are provided in the synchronous gear plate 12 to act on the synchronous drive of the rotating shaft 6.

[0025] Fixed frames are installed on both sides of the base 1, and a rotating shaft 6 is rotatably connected between the fixed frames. The rotating shaft 6 is connected in the synchronization groove 11. Raised strips are fixed on both sides of the rotating shaft 6 to facilitate the simultaneous driving of the synchronization gear 12. The synchronization gear 12 is movably connected to the outside of the rotating shaft 6. A second motor 15 is installed at one end of the rotating shaft 6, and the second motor 15 is located on the outside of the fixed frame.

[0026] Working principle: The top of the valve body 3 is suspended on the bracket plate 2, and the first motor 14 is controlled to rotate. Driven by the gear 9, the connecting plate 8 drives the support frame 7 to move, and the positioning plates 5 on both sides clamp the two ends of the valve body 3. When the positioning plates 5 on both sides move to the specified position and stop, the second motor 15 is controlled to rotate, and the rotating shaft 6 rotates, thereby driving the synchronous gear plate 12 to rotate. The synchronous gear plate 12 drives the outer gear ring 17 to rotate, and then rotates the positioning holes 16 on both sides to the specified position;

[0027] When it is necessary to drill holes at both ends of the valve body 3, the drilling equipment is passed through the positioning hole 16 to drill holes at both ends of the valve body 3. When it is necessary to test both sides of the valve body 3, a test rod of a size matching the positioning hole 16 is taken and inserted into the positioning hole 16. If the test rods at both ends are inserted into the valve body 3, it means that the position of the hole is accurate.

[0028] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] The standard parts used in this utility model can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0030] 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 hole positioning structure for valve production, characterized in that: include: A base (1) is provided, wherein a support plate (2) is installed on the base (1), a valve body (3) is provided on the support plate (2), a positioning plate (5) is connected to the outer side of the valve body (3), a limiting frame (4) is provided on the positioning plate (5), a support frame (7) is installed on the bottom side of the limiting frame (4), a connecting plate (8) is provided on one side of the support frame (7), a synchronous gear (12) is connected to the bottom side of the positioning plate (5), and a rotating shaft (6) is installed in the synchronous gear (12).

2. The hole positioning structure for valve production according to claim 1, characterized in that: The support plate (2) is fixedly mounted on the top surface of the base (1), a placement groove is provided on the top surface of the support plate (2), the top end of the valve body (3) is connected to the placement groove, and the valve body (3) is suspended on the support plate (2).

3. The hole positioning structure for valve production according to claim 2, characterized in that: An inner groove is provided in the base (1), a gear (9) is installed at the center of the inner groove, two support frames (7) are provided, and the two support frames (7) are symmetrically connected between the inner grooves, and a connecting plate (8) is fixedly installed on the corresponding surface of each support frame (7), an outer rack is welded on one side of the connecting plate (8), and the outer rack and the gear (9) are meshed with each other, and a first motor (14) is installed on the bottom side of the base (1), and the output end of the first motor (14) is connected to the gear (9).

4. The hole positioning structure for valve production according to claim 3, characterized in that: The support frame (7) is equipped with a limit frame (4), and a positioning plate (5) is rotatably connected in the limit frame (4). An outer gear ring (17) is welded and installed on the outer side of the positioning plate (5). An annular limit strip (10) is fixedly installed on the front and rear sides of the outer gear ring (17). The limit strip (10) and the outer gear ring (17) are rotatably connected in the limit frame (4). The limit frame (4) is respectively located on both sides of the valve body (3). A positioning hole (16) is opened on the positioning plate (5).

5. The hole positioning structure for valve production according to claim 4, characterized in that: Two limit plates (13) are fixedly installed between the inner walls of the bottom side of the support frame (7), and limit rings are fixed on the corresponding surfaces of the two limit plates (13). Annular grooves are provided on the outer surfaces of both sides of the synchronous gear plate (12), and the limit rings are connected in the annular grooves. Synchronous grooves (11) are provided in the synchronous gear plate (12).

6. The hole positioning structure for valve production according to claim 5, characterized in that: Fixed frames are installed on both sides of the base (1), and a rotating shaft (6) is rotatably connected between the fixed frames. The rotating shaft (6) is connected in the synchronous groove (11), and the synchronous gear (12) is movably connected to the outside of the rotating shaft (6). A second motor (15) is installed at one end of the rotating shaft (6), and the second motor (15) is located outside the fixed frame.

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