CN216029470U

CN216029470U - Clamp for machining flange hole of valve body

Info

Publication number: CN216029470U
Application number: CN202122264203.XU
Authority: CN
Inventors: 刘敏杰; 董长有
Original assignee: Tianjin Yinhe Fluid Control Equipment Co ltd
Current assignee: Tianjin Yinhe Fluid Control Equipment Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-15
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a clamp for processing a valve body flange hole, which belongs to the technical field of valve processing devices and is characterized by comprising a base, a limiting back plate, a clamping back plate, a portal frame and a pressing hydraulic cylinder, wherein the upper end surface of the base is a valve body supporting end surface; the limiting back plates are arranged in a left-right symmetrical mode on the front portion of the supporting end face of the base; the clamping back plates are symmetrically arranged at the left and right sides of the front part of the supporting end surface of the base, clamping screws are installed on the clamping back plates through threads, and the clamping back plates are used for clamping and fixing a flange part of the valve body between the two clamping back plates; the portal frame is arranged on the base; the compressing hydraulic cylinder is installed on the portal frame and used for jacking the valve body from the upper part of the valve body. The fixture is suitable for the continuous machining process of the valve body flange hole, is used as a main mechanism of a continuous machining center of the valve body flange hole, and provides a foundation for improving the machining efficiency of the valve body flange hole.

Description

Clamp for machining flange hole of valve body

Technical Field

The utility model belongs to the technical field of valve machining devices, and particularly relates to a clamp for machining a flange hole of a valve body.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve body is a main body component of the valve, and other components of the valve are arranged on the valve body to form the valve body.

At present, in the process of processing a flange hole of a valve body, the valve body is generally clamped and fixed on a machine tool through a three-jaw chuck, and the traditional clamping component cannot be applied to a processing center for continuously drilling a flange of the valve body, so that a special clamp for processing the flange hole of the valve body, which can reliably clamp and position the valve body, is needed to be designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a clamp for machining a valve body flange hole, which solves the problem that no special clamp tool for machining the valve body flange hole is suitable for a valve body machining center at present.

The clamp for processing the flange hole of the valve body is characterized by comprising a base, a limiting back plate, a clamping back plate, a portal frame and a pressing hydraulic cylinder, wherein the upper end surface of the base is a valve body supporting end surface; the limiting back plates are arranged in a left-right symmetrical mode on the front portion of the supporting end face of the base; the clamping back plates are symmetrically arranged at the left and right sides of the front part of the supporting end surface of the base, clamping screws are installed on the clamping back plates through threads, and the clamping back plates are used for clamping and fixing a flange part of the valve body between the two clamping back plates; the portal frame is arranged on the base; the compressing hydraulic cylinder is installed on the portal frame and used for jacking the valve body from the upper part of the valve body.

In the above technical solution, preferably, the gantry includes a fixed side frame, a cross beam frame, a turnover hook frame, and a hook lock block; one end of the cross beam frame is mounted at the upper end of the fixed side frame through a vertical rotating shaft; the upper end of the turnover hook frame is hinged with a cross beam frame through a transverse rotating shaft, the compression hydraulic cylinder is installed on the cross beam frame, and the lower part of the turnover hook frame is provided with a hook-shaped part; the hook lock block is provided with a hook hole connected with a hook-shaped part at the lower end of the turnover hook frame.

In the above technical scheme, preferably, the limiting back plate includes a limiting jackscrew, the limiting jackscrew is assembled to the limiting back plate through a thread, and an axis of the limiting jackscrew is perpendicular to a limiting end face of the limiting back plate.

In the above technical scheme, preferably, the vertical sliding sleeve is sleeved on the cylinder rod of the compression hydraulic cylinder, the left side and the right side of the vertical sliding sleeve are welded to the horizontal hanging rods extending from the two sides of the vertical sliding sleeve, the horizontal hanging rods are cylindrical guide rods extending horizontally, the horizontal sliding sleeve is installed on the horizontal hanging rods, and the horizontal sliding sleeve is welded to the hoisting frame capable of being hooked on the two sides of the valve body.

In the above technical scheme, preferably, each side of the vertical sliding sleeve is provided with two parallel horizontal hanging rods, and the horizontal hanging rods are provided with the C-shaped hoisting frame through the horizontal sliding sleeve.

The utility model has the advantages and effects that:

the utility model provides a special fixture for a valve body, which can reliably position and clamp the valve body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is a plan view of the mounting structure of the clamping screw and the limit screw in the present invention.

In the figure, 1, a base; 2. a limiting back plate; 3. clamping the back plate; 4. a gantry; 4-1, a fixed side frame; 4-2, a cross beam frame; 4-3, turning over the hook frame; 4-4, hooking and locking the block; 5. a compaction hydraulic cylinder; 6. a clamping screw; 7. limiting jackscrews; 8. a vertical sliding sleeve; 9. a horizontal hanging rod; 10. a horizontal sliding sleeve; 11. and (5) hoisting the frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The clamp is suitable for a continuous machining process of valve body flange holes, serves as a main mechanism of a valve body flange hole continuous machining center, and provides a foundation for improving the machining efficiency of the valve body flange holes. To further illustrate the structure of the present invention, the following detailed description is made with reference to the accompanying drawings:

referring to fig. 1-3, a fixture for processing a flange hole of a valve body is used for positioning and clamping the valve body to be processed, and the fixture is installed on a station sliding table of a processing center and used for clamping and positioning the valve body. The station slide is a platen member that moves between different stations in a machining center of a machine tool.

In this embodiment, the clamp includes base 1, spacing backplate 2, clamping back plate 3, portal frame 4, compresses tightly pneumatic cylinder 5.

Base 1 is the cuboid base, and base 1 installs on the station slip table, and in this embodiment, base 1's lower part lug weld is on the station slip table. The upper end face of the base 1 is a valve body supporting end face and is used for supporting a valve body. The limiting back plates 2 are arranged in bilateral symmetry at the front part of the supporting end surface of the base 1; the clamping back plate 3 is arranged in bilateral symmetry at the front part of the supporting end surface of the base 1, and the clamping back plate 3 is provided with clamping screws 6 through threads. The clamping back plate 3 is used for clamping and fixing a flange part of the valve body between the two clamping back plates 3. The limiting back plate 2 and the clamping back plate 3 are vertical L-shaped integrated plates, and the lower parts of the limiting back plate and the clamping back plate are welded on the supporting end face of the base 1. Spacing backplate 2 installation spacing jackscrew 7, spacing jackscrew 7 is in spacing backplate 2 through the screw thread fit, and the axis of spacing jackscrew 7 is perpendicular with the spacing terminal surface of spacing backplate 2. The front end face of the limiting jackscrew 7 is the limiting end face of the valve body, and the limiting jackscrew 7 is used for adjusting the limiting face.

The portal frame 4 is installed on the base 1. The pressing hydraulic cylinder 5 is installed on the portal frame 4, and after the valve body is supported by the base 1 and positioned through the limiting back plate 2, the pressing hydraulic cylinder 5 is used for tightly pressing the valve body from the upper part of the valve body to clamp and fix the valve body.

Further, in the embodiment, the portal frame 4 is of a rotary type and comprises a fixed side frame 4-1, a cross beam frame 4-2, a turnover hook frame 4-3 and a hook lock block 4-4. The lower end of the fixed side frame 4-1 is fixed on the station sliding table, in the embodiment, the fixed side frame 4-1 is a rectangular steel frame rod and is vertically arranged, and the lower end is welded on the station sliding table. One end of the cross beam frame 4-2 is arranged at the upper end of the fixed side frame 4-1 through a vertical rotating shaft. A rotating shaft with a vertical axis is processed at the upper end of the fixed side frame 4-1, a sleeve hole is processed at one end of the cross beam frame 4-2, the rotating shaft at the upper end of the fixed side frame 4-1 is sleeved with the sleeve hole, and a bearing is assembled between the inner wall of the sleeve hole and the outer wall of the rotating shaft. The beam frame 4-2 can rotate by taking the rotating shaft as an axis. The beam body of the cross beam frame 4-2 is two parallel section steel, the end part of the beam body is welded with a block body, and a sleeve hole is processed on the block body. The cylinder rod of the compaction hydraulic cylinder 5 faces downwards and passes through the cross beam frame 4-2 between the two section steel to face downwards, and the compaction hydraulic cylinder 5 is fixed on the cross beam frame 4-2 through bolts. The turnover hook frame 4-3 is long straight steel. The upper end of the turnover hook frame 4-3 is hinged with a cross beam frame 4-2 through a transverse rotating shaft. The lower part of the turnover hook frame 4-3 is provided with a hook-shaped part which is a structure that the lower end of the turnover hook frame 4-3 is welded and formed to be bent inwards to form a hook part. The hook locking block 4-4 is a metal block body and is fixed on the station sliding table, and the hook locking block 4-4 is provided with a hook hole connected with a hook-shaped part at the lower end of the turnover hook frame 4-3.

The hook-shaped part at the lower end of the turnover hook frame 4-3 is hooked with the hook locking block 4-4, and the portal frame 4 forms a supporting frame for bearing the clamping force of the compaction hydraulic cylinder 5. The clamping acting force is relieved by the pressing hydraulic cylinder 5, the overturning hook frame 4-3 is separated from hooking with the hook locking block 4-4 through overturning, and the portal frame 4 can be overturned for 180 degrees, so that the valve body can be conveniently installed and clamped.

Install vertical sliding sleeve 8 additional on the jar pole that compresses tightly pneumatic cylinder 5, the jar pole lower end diameter that compresses tightly pneumatic cylinder 5 is greater than the trepanning of vertical sliding sleeve 8, can hook this vertical sliding sleeve 8. Vertical sliding sleeve 8 and the jar pole clearance fit that compresses tightly pneumatic cylinder 5, the horizontal peg 9 that extends to vertical sliding sleeve 8 both sides is welded to the left and right sides of vertical sliding sleeve 8, and horizontal peg 9 is the cylinder guide arm that the level extends, installs horizontal sliding sleeve 10 on the horizontal peg 9, and horizontal sliding sleeve 10 welds the hoist and mount frame 11 that can hook valve body both sides portion. In this embodiment, the vertical sliding sleeve 8 is unilateral two parallel horizontal hanging rods 9, and the horizontal hanging rods 9 are provided with a C-shaped hoisting frame 11 through a horizontal sliding sleeve 10.

After the cylinder rod of the pressing hydraulic cylinder 5 rises to a certain height, the components such as the vertical sliding sleeve 8 and the hoisting frame 11 can play a role of hanging the valve body, and after the valve body is hoisted, the hoisting frame 11 is clamped on the inner side of the fluid inlet flange plate or the lower edge of the fluid outlet flange plate of the valve body. The valve body can be transferred to a workpiece transfer trolley on the side of the machining center through 180-degree turning action of the portal frame, and the valve body with a large-mass cast iron structure can be greatly conveniently clamped and moved. The traditional work of moving and loading the card by assistance of multiple persons can be completed by one person, so that the labor intensity is greatly reduced, the potential safety hazard in the moving process is eliminated, and the card loading efficiency is improved. When the compressing hydraulic cylinder 5 compresses the valve body downwards, the vertical sliding sleeve 8 and the cylinder rod slide relatively, and the normal clamping of the valve body cannot be influenced.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a valve body is anchor clamps for flange spot facing work which characterized in that includes:

the upper end surface of the base (1) is a supporting end surface of the valve body;

the limiting back plate (2) is arranged in a left-right symmetrical mode on the front portion of the supporting end face of the base (1);

the clamping back plates (3) are symmetrically arranged at the left and right sides of the front part of the supporting end surface of the base (1), clamping screws (6) are installed on the clamping back plates (3) through threads, and the clamping back plates (3) are used for clamping and fixing flange parts of the valve body between the two clamping back plates (3);

the portal frame (4), the said portal frame (4) is installed on said base (1);

and the pressing hydraulic cylinder (5) is installed on the portal frame (4), and the pressing hydraulic cylinder (5) is used for tightly pressing the valve body from the upper part of the valve body.

2. The jig for processing the flange hole of the valve body according to claim 1, wherein the gantry (4) comprises:

a fixed side frame (4-1);

one end of the cross beam frame (4-2) is mounted at the upper end of the fixed side frame (4-1) through a vertical rotating shaft;

the upper end of the turnover hook frame (4-3) is hinged with a cross beam frame (4-2) through a transverse rotating shaft, the compression hydraulic cylinder (5) is installed on the cross beam frame (4-2), and the lower part of the turnover hook frame (4-3) is provided with a hook-shaped part;

the hook locking block (4-4) is provided with a hook hole connected with the hook part at the lower end of the turnover hook frame (4-3).

3. The jig for machining a flange hole of a valve body according to claim 1, characterized in that: the limiting back plate (2) comprises a limiting jackscrew (7), the limiting jackscrew (7) is assembled on the limiting back plate (2) through threads, and the axis of the limiting jackscrew (7) is perpendicular to the limiting end face of the limiting back plate (2).

4. The jig for processing a flange hole of a valve body according to claim 2, characterized in that: vertical sliding sleeve (8) of suit on the jar pole that compresses tightly pneumatic cylinder (5), the left and right sides welding of vertical sliding sleeve (8) to horizontal peg (9) that vertical sliding sleeve (8) both sides extend, horizontal peg (9) are the cylinder guide arm that the level extends, install horizontal sliding sleeve (10) on horizontal peg (9), but horizontal sliding sleeve (10) welding hook hanging frame (11) of valve body both sides portion.

5. The jig for machining a flange hole of a valve body according to claim 4, characterized in that: and each side of the vertical sliding sleeve (8) is provided with two parallel horizontal hanging rods (9), and the horizontal hanging rods (9) are provided with C-shaped hoisting frames (11) through the horizontal sliding sleeves (10).