CN110076363A - The tooling of valve body automation processing can be achieved - Google Patents

Abstract

A tool that can realize the automatic processing of the valve body. The center of the front part of the chuck is provided with an open first cavity, the top wall of the first cavity is provided with a through second cavity, and the bottom wall of the first cavity is facing downward. There is a third cavity, the central axes of the second cavity and the third cavity coincide, the lower clamping seat is set at the bottom of the first cavity, the bottom of the lower clamping seat is fixed with the indexing device, and the indexing device is set at the second In the three chambers, the indexing device is used to rotate the lower clamping seat around the central axis of the third chamber, and the upper clamping seat can move up and down along the second chamber and is set in the first chamber, and the upper clamping seat The lower surface of the seat and the upper surface of the lower clamping seat are provided with a profile matching the valve body for clamping and fastening the lying down valve body. The flange is fixed at the rear of the chuck, and the flange is used for The connection is fixed. The invention realizes the continuous processing of the three end faces of the valve body with a set of tooling. It not only improves the efficiency, but also reduces the labor intensity and reduces the site occupation.

Description

The tooling that can realize the automatic processing of the valve body

Technical field:

The invention relates to the technical field of valve processing and manufacturing, in particular to a tool capable of realizing automatic processing of a valve body.

Background technique:

At present, the most widely used valve body has an inverted T-shaped structure. The end face of the medium inlet/outlet is the side end face, and the end face where the valve shaft/rod is installed is the upper end face. The processing of small valve bodies needs to be done on the side end face and the upper end face. It is generally divided into three steps: first, place the valve body 91 as a whole in the assembly cavity of the first-order tooling 92, clamp the valve body 91 with the first-order tooling 92, and process The exposed side end, as shown in Figure 1; after that, thread the processed side end surface to the central shaft, clamp the central shaft with the second-order tooling 93 (three-jaw chuck), and process the other side end surface of the valve body 91, as shown in the figure 2. Finally, use the third-order tool 94 to clamp the two side end faces of the valve body 91 processed, and process the upper end face, as shown in FIG. 3 . In this way, every processing of a valve body needs to be disassembled and transported between the three equipments, the processing efficiency is low, and the labor load of the workers is increased; and the first, second, and third sequence tooling are very different and must be manufactured separately, which is costly and expensive. take up space.

Invention content:

In view of the above problems, it is necessary to design a tooling that can realize the automatic processing of the valve body, and realize the continuous processing of the three end faces of the valve body with a set of tooling.

A tooling that can realize automatic processing of a valve body, including: a chuck, a flange, an upper clamping seat, a lower clamping seat, and an indexing device; wherein, the center of the front part of the chuck is provided with an open first cavity, The top wall of the first cavity is provided with a through second cavity upwards, and the bottom wall of the first cavity is provided with a third cavity downwards. The central axes of the second cavity and the third cavity coincide and are perpendicular to the middle of the chuck. axis, the lower clamping seat is set at the bottom of the first cavity, the bottom of the lower clamping seat is fixed with the indexing device, the indexing device is set in the third cavity, and the indexing device is used to make the lower clamping seat with the third capacity The center axis of the cavity rotates, and the upper clamping seat can move up and down along the second cavity and is arranged in the first cavity, and the upper clamping seat is located above the lower clamping seat; the lower surface of the upper clamping seat and the lower clamping The upper surface of the holding seat is provided with a profile matching the valve body for clamping and fastening the lying down valve body, the flange is fixed at the rear of the chuck, and the flange is used for connecting and fixing with the spindle of the machine tool.

Preferably, a fourth cavity perpendicular to the third cavity is provided at the lower part of the chuck, and the middle part of the fourth cavity communicates with the third cavity; the indexing device includes: a rotating shaft, a gear, and a rack; the top surface of the rotating shaft and the The lower clamping seat is fixed, the gear and the rotating shaft are fixed and coaxial, the rack is arranged in the fourth cavity, and the rack and the gear mesh.

Preferably, it also includes a hydraulic drive system. The hydraulic drive system includes: a hydraulic rotary joint, an oil separator, a piston rod, and a head; The input end of the joint is connected to the oil supply pipeline of the hydraulic station, and the output end of the hydraulic rotary joint is connected to the oil separator installed in the chuck. The oil separator divides the oil circuit into two paths to supply the second chamber and the fourth chamber respectively. , the upper clamping seat is fixed with the piston rod, the piston rod is set in the second cavity, and the outer end of the second cavity is provided with a head; both ends of the fourth cavity are provided with a cover, and the two ends of the rack are connected with piston.

When processing the valve body, first move the upper clamping seat upwards, then lay the valve body down on the lower clamping seat and fit it to its profile (each type of valve body has its own upper/lower clamping seat) , move the upper clamping seat down to clamp the valve body, adjust the indexing device to make one side of the valve body face outward, and then process; after processing, the indexing device drives the lower clamping seat to rotate 90 degrees to process the valve body At the upper end, the indexing device drives the lower clamping seat to rotate 90 degrees to process the other side of the valve body.

The invention realizes the continuous processing of the three end surfaces of the valve body with a set of tooling. It not only improves the efficiency, but also reduces the labor intensity and reduces the site occupation.

Description of drawings:

Accompanying drawing 1 is the three-dimensional structure schematic diagram of a sequence of tooling in the prior art.

Accompanying drawing 2 is the three-dimensional structural schematic diagram of the second-order tooling of the prior art.

Accompanying drawing 3 is the three-dimensional structure schematic diagram of the three-step tooling of the prior art.

Accompanying drawing 4 is a three-dimensional structural schematic view of a tooling capable of realizing automatic processing of a valve body in a preferred embodiment. Accompanying drawing 5 is a side view structural schematic diagram of a tooling capable of realizing automatic processing of a valve body in a preferred embodiment. Accompanying drawing 6 is an exploded view of a tooling capable of realizing automatic processing of a valve body in a preferred embodiment.

Accompanying drawing 7 is a perspective structural schematic diagram of another angle of the tooling capable of realizing the automatic processing of the valve body in a preferred embodiment.

In the picture:

Existing technology: valve body 91, first-order tooling 92, second-order tooling 93, third-order tooling 94;

The present invention: chuck 1, flange 2, upper clamping seat 3, lower clamping seat 4, indexing device 5, first cavity 11, second cavity 12, third cavity 13, valve body 8, The fourth cavity 14 , the rotating shaft 51 , the rack 52 , the piston rod 61 , and the head 62 .

Detailed ways:

In this patent, the side part of the valve body refers to the part where the medium inlet/outlet is located, and the upper part of the valve body refers to the part where the valve cover is fixed. "Low-down valve body" means that the axis of the side end surface of the valve body is in the same horizontal plane as the axis of the upper end surface of the valve body. The orientation words such as up, down, left, and right mentioned below are relative to the composition positions in the drawings of this patent.

As shown in Figures 4 to 7, a tooling that can realize automatic processing of a valve body includes: a chuck 1, a flange 2, an upper clamping seat 3, a lower clamping seat 4, and an indexing device 5; among them, the chuck 1 The center of the front part is provided with an open first cavity 11, the top wall of the first cavity 11 is provided with a through second cavity 12 upwards, and the bottom wall of the first cavity 11 is provided with a third cavity 13 downwards, The central axes of the second cavity 12 and the third cavity 13 coincide and are perpendicular to the central axis of the chuck 1, the lower clamping seat 4 is arranged at the bottom of the first cavity 11, and the bottom of the lower clamping seat 4 is fixed with the indexing device 5 , the indexing device 5 is arranged in the third cavity 13, the indexing device 5 is used to make the lower clamping seat 4 rotate around the axis of the third cavity, and the upper clamping seat 3 can move up and down along the second cavity 12 The mobile is set in the first cavity 11, and the upper clamping seat 3 is located above the lower clamping seat 4; the lower surface of the upper clamping seat 3 and the upper surface of the lower clamping seat 4 are provided with valve body 8 The profile is used to clamp and fasten the lying valve body 8, the flange 2 is fixed on the rear of the chuck 1, and the flange 2 is used to connect and fix with the spindle of the machine tool.

In this embodiment, a fourth cavity 14 perpendicular to the third cavity 13 is provided at the lower part of the chuck 1, and the middle part of the fourth cavity 14 communicates with the third cavity 13; the indexing device 5 includes: a rotating shaft 51 , gear, rack 52; the top surface of the rotating shaft 51 is fixed with the lower clamping seat 4, the gear and the rotating shaft 51 are fixed and coaxial, the rack 52 is arranged in the fourth cavity 14, and the rack 52 meshes with the gear.

In this embodiment, a hydraulic drive system is also included, and the hydraulic drive system includes: a hydraulic rotary joint (not shown), an oil separator (not shown), a piston rod 61, and a head 62; the flange 2 is annular , there is a hydraulic swivel joint at the center shaft at the rear of chuck 1, the input end of the hydraulic swivel joint is connected to the oil supply pipeline of the hydraulic station, the output end of the hydraulic swivel joint is connected to the oil separator set in the chuck, and the oil separator will The oil circuit is divided into two ways to supply the second cavity 12 and the fourth cavity 14 respectively, the upper clamping seat 3 is fixed with the piston rod 61, the piston rod 61 is arranged in the second cavity 12, and the outer end of the second cavity 12 A sealing head 62 is provided, and the piston rod is driven up/down by hydraulic pressure; both ends of the fourth cavity 14 are provided with sealing heads, and the two ends of the rack 52 are connected with pistons, and the rack 52 is driven to move to both sides by hydraulic pressure.

In another embodiment, the upper clamping seat 3 can be connected with the second cavity through a threaded rod, and the indexing and clamping/releasing can be done manually.

When processing the valve body, first move the upper clamping seat 3 upwards, then lay the valve body 8 down on the lower clamping seat 4 and fit it to its profile (each type of valve body has its own upper/lower clamping Hold the seat), move the upper clamping seat 3 down to clamp the valve body 8, adjust the side end of the valve body 8 through the indexing device 5 to face outward, and then process; after the processing is completed, the indexing device 5 drives the lower clamping Seat 4 rotates 90 degrees, processes valve body 8 upper ends, and last indexing device 5 drives lower clamping seat 4 to rotate 90 degrees again, processes valve body 8 other side ends.

Claims (3)

1. a kind of tooling of achievable valve body automation processing characterized by comprising chuck, flange, upper grip slipper, lower folder Hold seat, indexing means；Wherein, the center of chuck front is provided with open first cavity, and the first cavity top wall is set upwardly There is the second cavity of perforation, the first cavity bottom wall is to having third cavity, the central axes of the second cavity and third cavity It being overlapped and perpendicular to chuck central axes, lower grip slipper is arranged in the first cavity bottom, and lower grip slipper bottom is fixed with indexing means, Indexing means is arranged in third cavity, and indexing means is used to that lower grip slipper to be made to rotate centered on third cavity central axes, on Grip slipper can be along the setting that the second cavity moves up and down in the first cavity, and upper grip slipper is located above lower grip slipper；Upper folder The upper surface of the lower surface and lower grip slipper of holding seat, which is equipped with, is used for the valve body that clamping fastener is lied down, method with the matched type face of valve body Orchid is fixed on chuck rear portion, and flange with machine tool chief axis for being connected and fixed.

2. the tooling of achievable valve body automation processing as described in claim 1, which is characterized in that be additionally provided in chuck lower part Fourth cavity vertical with third cavity, the 4th cavity middle part are penetrated through with third cavity；Indexing means includes: shaft, gear, tooth Item；Shaft top surface is fixed with lower grip slipper, and gear and shaft are fixed and coaxially, and rack gear is arranged in the 4th cavity, rack gear and tooth Wheel engagement.

3. the tooling of achievable valve body automation processing as claimed in claim 2, which is characterized in that further include hydraulic-driven system System, fluid power system includes: hydraulic rotary joint, separator, piston boit, end socket；Flange is annular shape, chuck rear portion axis Place is equipped with hydraulic rotary joint, and hydraulic rotary joint input terminal is connect with hydraulic station oil feed line, hydraulic rotary joint output end It being connect with the separator being arranged in chuck, oil circuit is divided into two-way and is supplied respectively to the second cavity and the 4th cavity by separator, on Grip slipper is fixed with piston boit, and piston boit is arranged in the second cavity, and the second cavity outer end is equipped with end socket；4th cavity both ends are equal Equipped with end socket, the both ends of rack gear are connected with piston.