CN105127814A - Ball valve body valve stem hole processing tool set - Google Patents

Abstract

The invention relates to a ball valve body valve stem hole processing tool set which comprises a mounting base for connecting with a chuck, wherein the mounting base is provided with a mounting surface for mounting a ball valve body; the mounting surface is perpendicular to the end surface of the chuck; the mounting surface is perpendicularly provided with a connecting rod which is sheathed by the ball valve body; and the upper end of the connecting rod is provided with a pressing block for compacting the ball valve body. When being used for processing operation, the processing tool set has the advantages of convenient workpiece replacement, short adjustment time, small positioning error and low manufacturing and maintenance cost, is easy for assembly and disassembly, can well perform positioning, can be used for turning and boring, is also suitable for the processing center to use, does not need repeated sizing during the CNC processing, and is convenient for implementing mass production.

Description

Ball valve body stem hole processing tooling

technical field

The invention relates to a tooling for processing a stem hole of a ball valve body.

Background technique

As a control element, the ball valve is widely used in various pipelines. In the structure of the existing ball valve, the stem hole of the valve body is perpendicular to the valve flange, which is not conducive to quick clamping in the production process.

The existing processing technology generally uses a four-jaw chuck for clamping, turning or boring after correction. The production efficiency is low, and the correction time is long when clamping. There are also machining centers, which also have clamping problems. And its processing cost is high. Especially for small batch processing, the cost per piece is higher.

On the other hand, the stem hole of the ball valve and the valve body channel have verticality and position requirements. The traditional positioning method requires multiple adjustments, but it still cannot meet the design requirements well. The adjustment time is long and the workpiece needs to be replaced. Afterwards recalibration is required. Wasted a lot of time. Therefore, the processing efficiency of the valve stem hole of the ball valve body is low, the labor cost is high, and the qualified rate of operation is not high.

Contents of the invention

The technical problem to be solved by the present invention is: to overcome the deficiencies of the prior art, to provide a ball valve body stem hole processing tooling, and to solve the defects of inconvenient installation and low efficiency of the existing ball valve body.

The technical solution adopted by the present invention to solve the technical problem is: a ball valve body stem hole processing tooling, including a mounting seat for connecting with the chuck, the mounting seat has a mounting surface for mounting the ball valve body, The installation surface is perpendicular to the end surface of the chuck, and a connecting rod for being socketed by the ball valve body is vertically arranged on the installation surface, and a briquetting block for pressing the ball valve body is arranged at the upper end of the connecting rod.

Further, a pad is provided on the mounting surface of the mounting base, the pad is detachably connected to the mounting base, and the lower end of the connecting rod is fixedly connected to the pad.

Further, the mounting surface of the mounting seat is provided with a plurality of positioning holes, and each positioning hole is arranged in a straight line along the length direction of the chuck; the lower end of the pad is provided with a positioning shaft for matching with the positioning holes, and the pad The positioning shaft is positioned on the mounting base, and the positioning block is fixedly connected with the mounting base through bolts.

Further, one side of the pad is provided with an adjustment seat for adjusting the installation deviation of the ball valve body, and the adjustment seat is fixedly connected to the side wall of the pad through an adjustment bolt.

Further, the upper end of the pad is provided with a positioning boss for positioning the valve body of the ball valve.

Further, the mounting seat includes a horizontal plate and a vertical plate, the horizontal plate and the vertical plate are connected to form a right angle structure, the mounting surface of the mounting seat is located on the horizontal plate, and the mounting seat is connected to the vertical plate through the vertical plate. The chuck is fixedly connected.

Further, the vertical plate is provided with a shaft hole, and a mandrel is pierced in the shaft hole, and one end of the mandrel is fixedly connected with the vertical plate, and the other end of the mandrel is used for connecting with the vertical plate shaft hole. disk connection.

Further, the connection structure between the pressure block and the connecting rod is as follows: the upper end of the connecting rod is provided with a threaded section, and the threaded section is provided with a locking nut;

When working, the ball valve body is sleeved on the connecting rod, the pressure block is sleeved on the threaded section and presses the upper end of the ball valve body, and the lock nut is tightened on the threaded section to drive the pressure block Downward, to realize the compression of the ball valve body.

The beneficial effects of the present invention are: adopting the processing tooling of the present invention, the workpiece can be easily replaced during the processing operation, the adjustment time is short, the positioning error is small, the assembly and disassembly are easy, the manufacturing and maintenance costs are low, and it can be positioned better, and can be used It is suitable for turning processing and boring processing, and it is also suitable for use in machining centers. There is no need for repeated tool setting during CNC processing, which is convenient for mass production.

The tooling of the present invention is mainly used for processing the stem hole of a ball valve body, and can also be used for processing workpieces with a similar three-sided structure. It can be used for turning, milling and boring.

Since the pads can be disassembled and replaced, only the pads need to be replaced to meet the requirements of ball valve bodies of different specifications, without dismantling the entire tooling, ensuring that the position of the entire tooling is relatively fixed.

There is a positioning boss on the pad, which is used for the positioning of the ball valve body. During the processing operation, the positioning can be realized visually. The workpiece is easy to replace during the processing operation, and the positioning is accurate. There is no need for repeated tool setting during CNC processing, which is convenient for batch production Production, used for the processing of the stem hole of the ball valve body, and can also be used for the processing of workpieces with similar three-sided structures.

Under the adjustment of the adjusting bolt, the adjusting seat can adjust the installation deviation of the ball valve body visually, shortening the time for positioning and adjusting.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the perspective view of processing tool of the present invention;

Fig. 2 is an exploded view of the processing tool of the present invention;

Fig. 3 is the schematic diagram after the ball valve valve body is installed in the processing tooling of the present invention;

Among them, 1. mandrel, 2. pad, 21. positioning boss, 3. installation seat, 31. horizontal plate 311, positioning hole, 32. vertical plate, 4. pressure block, 5. connecting rod, 6. adjustment Seat, 7, positioning shaft, 8, adjusting bolt, 9, lock nut, 10, ball valve valve body.

Detailed ways

The present invention will be further described in conjunction with specific embodiment now. These drawings are simplified schematic diagrams only to illustrate the basic structure of the present invention in a schematic way, so they only show the components relevant to the present invention.

As shown in Figure 1 and Figure 2, a ball valve body stem hole processing tooling includes a mounting seat 3 for connecting with a chuck, the mounting seat 3 has a mounting surface for mounting a ball valve body 10, and the mounting surface and the chuck The end surface of the plate is vertical, and the connecting rod 5 for being socketed by the ball valve body 10 is vertically arranged on the installation surface, and the upper end of the connecting rod 5 is arranged for pressing the ball valve body 10 with a pressing block 4 . Specifically, the connection structure between the pressing block 4 and the connecting rod 5 is as follows: the upper end of the connecting rod 5 is provided with a threaded section, and the threaded section is provided with a locking nut 9 and a washer. During installation, the ball valve body 10 is sleeved on the connecting rod 5, the pressure block 4 is sleeved on the threaded section and presses the upper end of the ball valve body 10, and the lock nut 9 is screwed on the threaded section and drives the pressure block 4 Descending to realize the compression of the ball valve body 10.

A spacer 2 is arranged on the mounting surface of the mounting seat 3 , and the spacer 2 is detachably connected to the mounting seat 3 , and the lower end of the connecting rod 5 is fixedly connected to the spacer 2 . The requirements of the ball valve body 10 of different specifications can be met only by replacing the cushion block 2, without dismantling the entire tooling, ensuring that the position of the entire tooling is relatively fixed.

The mounting surface of the mounting seat 3 is provided with a plurality of positioning holes 311, and each positioning hole 311 is arranged in a straight line along the length direction of the chuck; The shaft 7 is positioned on the mounting seat 3, and the positioning block is fixedly connected with the mounting seat 3 via bolts. The setting of each positioning hole 311 is mainly in order to adapt to different sizes of pads 2 and set, different sizes of pads 2, the positioning shaft 7 at its lower end selects the positioning holes 311 in different positions to cooperate.

One side of the spacer 2 is provided with an adjustment seat 6 for adjusting the installation deviation of the ball valve body 10 , and the adjustment seat 6 is fixedly connected to the side wall of the spacer 2 through the adjustment bolt 8 . Under the adjustment of the adjusting bolt 8, the adjusting seat 6 can adjust the installation deviation of the ball valve body 10 visually, shortening the time for positioning and adjusting.

The upper end of the pad 2 is provided with a positioning boss 21 for positioning the ball valve body 10 . During the processing operation, the positioning can be realized visually, the workpiece is easy to replace during the processing operation, and the positioning is accurate.

In order to facilitate the connection between the mounting base 3 and the chuck, the mounting base 3 includes a horizontal plate 31 and a vertical plate 32. The horizontal plate 31 and the vertical plate 32 are connected to form a right angle structure. The mounting surface of the mounting base 3 is located on the horizontal plate 31. The mounting base 3 It is fixedly connected with the chuck through the riser 32. As a preference of this embodiment, a shaft hole is provided on the riser 32, and a mandrel 1 is pierced in the shaft hole. One end of the mandrel 1 is fixedly connected to the riser 32, and this end is fixedly connected to the riser 32 mainly through bolts. The other end riser 32 axle hole of axle 1 is used for being connected with chuck, and this end mainly gets final product through mandrel 1 by the claw of chuck.

As shown in Figure 10, during production operations, the mandrel 1 and the vertical plate 32 of the mounting seat 3 are first assembled and fixed on the lathe or CNC. Of course, only the mounting seat 3 can be directly fixed on the boring machine or milling machine; Then the ball valve body 10 is sleeved on the connecting rod 5, the briquetting block 4 is covered on the upper end of the ball valve body 10 and the threaded section of the connecting rod 5 passes through the briquetting block 4, and the locking thread is tightened to realize the ball valve body 10 The locking, and then the ball valve can be processed on the lathe.

Inspired by the above-mentioned ideal embodiment according to the present invention, through the above-mentioned description content, relevant workers can make various changes and modifications within the scope of not departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, but must be determined according to the scope of the claims.

Claims (8)

1. a ball valve body valve rod hole processing tool, it is characterized in that, comprise the mount pad (3) for being connected with chuck, described mount pad (3) has the installed surface for mounting ball valve valve body (10), described installed surface is vertical with chuck end face, described installed surface is vertically installed with the connecting rod (5) for being socketed by ball valve body (10), the upper end of described connecting rod (5) arranges the briquetting (4) for compressing ball valve body (10).

2. ball valve body valve rod hole processing tool according to claim 1, it is characterized in that, the installed surface of described mount pad (3) is provided with cushion block (2), described cushion block (2) and mount pad (3) removably connect, and the lower end of described connecting rod (5) is fixedly connected with cushion block (2).

3. ball valve body valve rod hole processing tool according to claim 2, it is characterized in that, the installed surface of described mount pad (3) offers multiple locating hole (311), each locating hole (311) is arranged in a straight line along chuck length direction; The lower end of described cushion block (2) is provided with the locating shaft (7) for coordinating with locating hole (311), described cushion block (2) is positioned on mount pad (3) by locating shaft (7), and described locating piece is fixedly connected with mount pad (3) through bolt.

4. ball valve body valve rod hole processing tool according to claim 2, it is characterized in that, the side of described cushion block (2) is provided with the adjustment seat (6) for regulating ball valve body (10) installation deviation, and described adjustment seat (6) is fixedly connected with cushion block (2) sidewall through adjusting bolt (8).

5. ball valve body valve rod hole processing tool according to claim 2, is characterized in that, described cushion block (2) upper end is provided with the positioning boss (21) of locating for ball valve body (10).

6. ball valve body valve rod hole processing tool according to claim 1, it is characterized in that, described mount pad (3) comprises transverse slat (31) and riser (32), described transverse slat (31) and riser (32) connect into right-angle structure, the installed surface that described mount pad (3) has is positioned on described transverse slat (31), and described mount pad (3) is fixedly connected with chuck through riser (32).

7. ball valve body valve rod hole processing tool according to claim 6, it is characterized in that, (32) offer axis hole to described riser, mandrel (1) is equipped with in described axis hole, described mandrel (1) one end is fixedly connected with riser (32), and other end riser (32) axis hole of described mandrel (1) is used for being connected with chuck.

8. ball valve body valve rod hole processing tool according to claim 1, it is characterized in that, syndeton between described briquetting (4) and connecting rod (5) is: the upper end of described connecting rod (5) is provided with thread segment, described thread segment is provided with locking nut (9);

During work, described ball valve body (10) is socketed on connecting rod (5), described briquetting (4) to be socketed on this thread segment and to compress the upper end of described ball valve body (10), locking nut (9) is tightened on this thread segment and drives briquetting (4) descending, realizes compressing ball valve body (10).