Fixing device for top-entry ball valve machining

Abstract

The utility model relates to the technical field of ball valve machining, and discloses a top-mounted ball valve machining fixing device which comprises a machining table, limiting grooves are formed in the two sides of the top of the machining table, the interior of the machining table is rotationally connected with a two-way threaded rod through a bearing, and when the two-way threaded rod rotates, the two-way threaded rod can rotate. Relative limiting is carried out through the connection relation of the threaded blocks and the limiting grooves, so that the right-angle clamping plates are conveniently driven to clamp the two sides of the to-be-machined valve body, the right-angle clamping plates are pressed on the two sides of the top of the to-be-machined valve body, the to-be-machined valve body is conveniently buckled on the top of the machining table, the occupied space is reduced, machining is convenient, and the machining efficiency is improved. And when the threaded rod is adjusted to rotate, relative limiting is carried out through the connection relation between the sliding block and the adjusting groove, so that the height of the right-angle clamping plate is conveniently adjusted, and the height of to-be-machined valve bodies of different models can be conveniently coped with.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valve processing, in particular to a fixing device for processing a top-mounted ball valve. Background Art

[0002] The valve body of the top-entry ball valve needs to be fixed on a CNC machine tool during the processing, and the valve body needs to be processed with a tool assembly. However, there is no device specifically used for valve clamping and fixing on existing CNC machine tools, resulting in poor valve clamping and fixing effects, easy loosening, and unsatisfactory valve processing accuracy.

[0003] Prior art publication number: CN218312081U, provides a technical solution: a fastening device for processing a top-mounted ball valve, the technical solution of which includes a fixed base plate, two valve body fixing seats are slidably connected to the left and right sides of the fixed base plate, the two valve body fixing seats cooperate with the two ends of the valve body to be processed, a fixing groove is provided on the valve body fixing seat, and side locking components adapted to the valve body to be processed are arranged on the upper and lower sides of the fixed base plate, the side locking components include a side locking frame and a plurality of locking screws inserted on the side locking frame, one end of the inner side of the locking screw is mutually pressed and connected with the side surface of the valve body to be processed, a fixed pressure plate adapted to the valve body to be processed is also arranged on the valve body fixing seat, and pressure plate screws are inserted at both ends of the fixed pressure plate. The utility model has the effects of simple structure, convenient use, safety and reliability.

[0004] but:

[0005] In this solution, both ends of the valve body to be processed are fixed by a valve body fixing seat and a fixed pressure plate, and the upper and lower sides are also fixed by side locking assemblies to prevent the valve body to be processed from loosening. However, the locking assemblies and the fixed pressure plates are fixed by being arranged around the valve body to be processed for easy fixation, but they occupy a large space and are not convenient for subsequent processing. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a fixing device for machining a top-mounted ball valve.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixing device for top-mounted ball valve processing, comprising a processing table, wherein limiting grooves are provided on both sides of the top of the processing table, a bidirectional threaded rod is rotatably connected to the interior of the processing table through a bearing, and the bidirectional threaded rod extends to the inner wall of the limiting groove, and the outer walls of the bidirectional threaded rod are respectively threadedly connected to thread blocks, and the thread blocks are slidably connected to the inner wall of the limiting groove, and right-angle clamps are respectively provided on the corresponding sides of the thread blocks for clamping the valve body to be processed; the middle of the bidirectional threaded rod is divided into two sections of thread as a boundary, and the thread directions are opposite.

[0008] When the bidirectional threaded rod rotates, the connection relationship between the threaded block and the limit groove is used to limit the relative position, so as to facilitate the right-angle clamping plate to clamp the two sides of the valve body to be processed. The right-angle clamping plate is pressed on both sides of the top of the valve body to be processed, so as to facilitate the valve body to be processed to be buckled on the top of the processing table, so as to reduce the occupied space and facilitate processing.

[0009] Preferably, an adjustment groove is provided on the top of the threaded block, and the right-angle clamp is slidably connected to the inner wall of the adjustment groove with an adjustment threaded rod through a slider, and the adjustment threaded rod passes through the slider and is threadedly connected to adjust the height of the right-angle clamp.

[0010] When adjusting the rotation of the threaded rod, relative limiting is performed through the connection relationship between the slider and the adjusting groove, so as to facilitate the adjustment of the height of the right-angle clamp, so as to facilitate the height of the valve body to be processed of different models.

[0011] Preferably, a knob is connected to the top of the adjusting threaded rod for rotating the adjusting threaded rod.

[0012] Preferably, both ends of the bidirectional threaded rod are respectively connected with round blocks, and the outer wall of the round block is provided with a circle of force-bearing holes distributed at a 120-degree angle for inserting a lever.

[0013] The force-bearing hole is provided to insert the lever, so as to facilitate the rotation of the bidirectional threaded rod.

[0014] Preferably, an air chamber is provided inside the right-angle clamping plate, and a row of adjustment blocks are slidably connected to the clamping surface of the right-angle clamping plate through a through groove for fitting to the surface of the part.

[0015] An air chamber is arranged inside the right-angle clamp, and the adjusting blocks connected by the through grooves share the same air chamber, so that when the adjusting blocks contact the surface of the valve body to be processed, the adjusting blocks can automatically expand and contract to fit the surface of the valve body to be processed.

[0016] Preferably, one end of the adjusting block located in the air chamber is connected to a limiting block for limiting the adjusting block.

[0017] Compared with the prior art, the utility model provides a fixing device for machining a top-loading ball valve, which has the following beneficial effects:

[0018] 1. A fixing device for processing a top-mounted ball valve, when the bidirectional threaded rod rotates, is relatively limited by the connection relationship between the threaded block and the limit groove, so as to facilitate the right-angle clamping plate to clamp the two sides of the valve body to be processed, and the right-angle clamping plate is pressed on both sides of the top of the valve body to be processed, so as to facilitate the valve body to be processed to be buckled on the top of the processing table, so as to reduce the occupied space and facilitate processing, and when the rotation of the threaded rod is adjusted, it is relatively limited by the connection relationship between the slider and the adjusting groove, so as to facilitate the adjustment of the height of the right-angle clamping plate, so as to facilitate the height of valve bodies of different models to be processed.

[0019] 2. This fixing device for processing top-mounted ball valves has an air chamber arranged inside a right-angle clamp, and the adjusting blocks connected by through grooves share the same air chamber, so that when the adjusting block contacts the surface of the valve body to be processed, the adjusting block can automatically expand and contract to fit the surface of the valve body to be processed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is the front view of the utility model;

[0022] Figure 2 It is a top view of the utility model;

[0023] Figure 3 It is a partial cross-sectional view of the right-angle clamp in the utility model.

[0024] In the figure: 1, processing table; 2, limiting groove; 21, bidirectional threaded rod; 22, round block; 221, force hole; 3, threaded block; 31, adjustment groove; 32, slider; 33, adjustment threaded rod; 34, knob; 4, right-angle clamp; 41, air chamber; 42, through groove; 43, adjustment block; 44, limiting block. DETAILED DESCRIPTION

[0025] 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 of the embodiments.

[0026] Example 1

[0027] like Figure 1-3As shown, the utility model provides a fixing device for top-mounted ball valve processing, comprising a processing table 1, with limiting grooves 2 provided on both sides of the top of the processing table 1, a bidirectional threaded rod 21 is rotatably connected to the inside of the processing table 1 through a bearing, and the bidirectional threaded rod 21 extends to the inner wall of the limiting groove 2, the outer walls of the bidirectional threaded rod 21 are respectively threadedly connected with thread blocks 3, and the thread blocks 3 are slidably connected to the inner wall of the limiting groove 2, and right-angle clamping plates 4 are respectively provided on the sides corresponding to each other of the thread blocks 3 for clamping the valve body to be processed, the middle of the bidirectional threaded rod 21 is divided into two sections of thread, and the thread directions are opposite, when the bidirectional threaded rod 21 rotates, the connection relationship between the thread blocks 3 and the limiting groove 2 is used to limit relative positioning, so as to facilitate driving the right-angle clamping plates 4 to clamp the two sides of the valve body to be processed, and the right-angle clamping plates 4 are pressed on both sides of the top of the valve body to be processed, so as to facilitate buckling the valve body to be processed on the processing The top of the platform 1 is provided with an adjusting groove 31 to reduce the occupied space and facilitate processing. The top of the threaded block 3 is provided with an adjusting groove 31. The right-angle clamp 4 is slidably connected with the inner wall of the adjusting groove 31 through a slider 32 and an adjusting threaded rod 33. The adjusting threaded rod 33 passes through the slider 32 and is threadedly connected to adjust the height of the right-angle clamp 4. When the adjusting threaded rod 33 is rotated, relative limiting is performed through the connection relationship between the slider 32 and the adjusting groove 31 to facilitate the adjustment of the height of the right-angle clamp 4 to facilitate the height of the valve body to be processed of different models. The top of the adjusting threaded rod 33 is connected with a knob 34 to rotate the adjusting threaded rod 33. The two ends of the two-way threaded rod 21 are respectively connected with round blocks 22. The outer wall of the round block 22 is provided with a circle of force holes 221, which are distributed at one hundred and two degrees for inserting a lever. The force holes 221 are set to insert the lever to facilitate the rotation of the two-way threaded rod 21.

[0028] In this embodiment, when the bidirectional threaded rod 21 rotates, relative limiting is performed through the connection relationship between the threaded block 3 and the limit groove 2, so as to facilitate the right-angle clamping plate 4 to clamp the two sides of the valve body to be processed, and the right-angle clamping plate 4 is pressed on the two sides of the top of the valve body to be processed, so as to facilitate the valve body to be processed to be buckled on the top of the processing table 1, so as to reduce the occupied space and facilitate processing, and when the rotation of the threaded rod 33 is adjusted, relative limiting is performed through the connection relationship between the slider 32 and the adjusting groove 31, so as to facilitate the adjustment of the height of the right-angle clamping plate 4, so as to facilitate the height of valve bodies of different models to be processed.

[0029] Example 2

[0030] like Figure 1-3As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, an air chamber 41 is opened inside the right-angle clamp 4, and the clamping surface of the right-angle clamp 4 is slidably connected to a row of adjustment blocks 43 through a through groove 42 for fitting the surface of the part, and the air chamber 41 is set inside the right-angle clamp 4, and the adjustment blocks 43 connected through the through groove 42 share the same air chamber 41, so that when the adjustment block 43 contacts the surface of the valve body to be processed, the adjustment block 43 can automatically retract and fit the surface of the valve body to be processed, and the adjustment block 43 is in one end of the air chamber 41. A limiting block 44 is connected to limit the adjustment block 43.

[0031] In this embodiment, an air chamber 41 is set inside the right-angle clamp 4, and the adjustment block 43 connected through the through groove 42 shares the same air chamber 41, so that when the adjustment block 43 contacts the surface of the valve body to be processed, the adjustment block 43 can automatically expand and contract to fit the surface of the valve body to be processed.

[0032] The working principle of the fixing device for top-entry ball valve processing is described in detail below.

[0033] like Figure 1-3 As shown, when the bidirectional threaded rod 21 is rotated during use, the connection relationship between the threaded block 3 and the limiting groove 2 is used to limit the relative position, so as to facilitate driving the right-angle clamp 4 to clamp the two sides of the valve body to be processed, and the right-angle clamp 4 is pressed on the two sides of the top of the valve body to be processed, so as to facilitate buckling the valve body to be processed on the top of the processing table 1, so as to reduce the occupied space and facilitate processing, and when the rotation of the threaded rod 33 is adjusted, the connection relationship between the slider 32 and the adjusting groove 31 is used to limit the relative position, so as to facilitate adjusting the height of the right-angle clamp 4, so as to facilitate coping with the height of valve bodies of different models to be processed, by setting an air chamber 41 inside the right-angle clamp 4, the adjusting block 43 connected by the through groove 42 shares the same air chamber 41, which makes it possible for the adjusting block 43 to automatically retract and fit the surface of the valve body to be processed when it contacts the surface of the valve body to be processed.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixing device for machining a top-entry ball valve, comprising a machining table (1), characterized in that: Limiting grooves (2) are provided on both sides of the top of the processing table (1); a bidirectional threaded rod (21) is rotatably connected to the interior of the processing table (1) via a bearing, and the bidirectional threaded rod (21) extends to the inner wall of the limiting groove (2); the outer wall of the bidirectional threaded rod (21) is respectively threadedly connected to a threaded block (3), and the threaded block (3) is slidably connected to the inner wall of the limiting groove (2); and right-angle clamps (4) are respectively provided on the mutually corresponding sides of the threaded blocks (3) for clamping the valve body to be processed; the middle of the bidirectional threaded rod (21) is divided into two sections of thread with opposite thread directions.

2. A fixing device for machining a top-entry ball valve according to claim 1, characterized in that: The top of the threaded block (3) is provided with an adjusting groove (31), and the right-angle clamping plate (4) is slidably connected to the inner wall of the adjusting groove (31) via a slider (32) and an adjusting threaded rod (33), and the adjusting threaded rod (33) passes through the slider (32) and is threadedly connected, so as to adjust the height of the right-angle clamping plate (4).

3. A fixing device for machining a top-entry ball valve according to claim 2, characterized in that: The top of the adjusting threaded rod (33) is connected with a knob (34) for rotating the adjusting threaded rod (33).

4. A fixing device for machining a top-entry ball valve according to claim 1, characterized in that: The two ends of the bidirectional threaded rod (21) are respectively connected to round blocks (22), and the outer wall of the round block (22) is provided with a circle of force-bearing holes (221) distributed at a 120-degree angle for inserting a lever.

5. The fixing device for machining a top-entry ball valve according to claim 1, characterized in that: An air chamber (41) is provided inside the right-angle clamping plate (4), and a clamping surface of the right-angle clamping plate (4) is slidably connected to a row of adjustment blocks (43) via a through slot (42) for fitting to the surface of a part.

6. A fixing device for machining a top-entry ball valve according to claim 5, characterized in that: One end of the regulating block (43) located in the air chamber (41) is connected to a limiting block (44) for limiting the position of the regulating block (43).

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