Four-axis three-dimensional clamp special for pilot valve body

Abstract

A four-shaft three-dimensional clamp special for a pilot valve body comprises four shafts, a rotating disc is installed at the output end of each shaft, a core shaft is installed in the center of each rotating disc in a matched mode, a positioning pin is fixed to the position, located beside each core shaft, of each rotating disc, flange plates are installed on the core shafts and the positioning pins in a matched mode through fasteners at the same time, and the positioning pins penetrate out of the flange plates. A valve body is installed on the outer end face of the flange plate through a fastener in a matched mode, and meanwhile the positioning pin extends into the back face of the valve body. The valve body structurally comprises a square block, a pit connected with the positioning pin is formed in the back face of the square block, and a connecting shaft matched with the center of the flange plate is arranged in the middle of the back face of the valve body. By means of the four shafts, the rotating discs of the four shafts, the flange plates, the mandrels, the positioning pins and other parts which work in a matched mode, a valve body can be conveniently clamped and positioned, then machining work of multiple faces of the valve body is completed at a time, overall clamping is convenient, positioning is reliable, operation is easy and convenient, working efficiency is high, machining precision is high, and the machining quality of the valve body is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling fixtures, in particular to a four-axis three-dimensional fixture dedicated to a pilot valve body. Background Art

[0002] The pilot valve is an auxiliary valve used to operate the control mechanism of other valves or components. Usually the pilot valve is composed of a wet valve electromagnet, a valve core, a transmission plunger, a valve sleeve, a pin rod, a steel ball, a steel ball seat, a return spring, etc.

[0003] In the prior art, the processing of the pilot valve body requires processing multiple surfaces, and usually requires the use of multiple fixtures to distribute the operations, which is cumbersome for operators, has low work efficiency, and low processing precision. Utility Model Content

[0004] In response to the shortcomings of the above-mentioned existing production technology, the applicant provides a four-axis three-dimensional fixture specially designed for the pilot valve body with a reasonable structure, which can simultaneously process multiple surfaces of the valve body with one clamping, greatly reducing the operating steps of the operator, simplifying the processing, greatly improving work efficiency, and at the same time achieving high processing accuracy.

[0005] The technical solutions adopted in this utility model are as follows:

[0006] A four-axis three-dimensional fixture for a pilot valve body, comprising four axes, wherein a rotating disk is mounted on the output end of the four axes, and the four axes drive the rotating disk to rotate. A core shaft is mounted in the center of the rotating disk, and a positioning pin is fixed on the rotating disk located next to the core shaft. A flange is mounted on the core shaft and the positioning pin via fasteners. The positioning pin passes through the flange, and the valve body is mounted on the outer end surface of the flange via fasteners. At the same time, the positioning pin extends into the back of the valve body.

[0007] The structure of the valve body is as follows: it includes a square block, the back of the square block is provided with a pit connected to the positioning pin, and the middle position of the back of the valve body is provided with a connecting shaft that cooperates with the center of the flange.

[0008] As a further improvement of the above technical solution:

[0009] The structure of the core shaft is as follows: it includes a core shaft body, a countersunk hole is opened in the center of the core shaft body, a protrusion is set on the back of the core shaft body, the protrusion extends into the center of the rotating disk, and a plurality of locking holes are opened in the circumferential direction of the core shaft body.

[0010] The structure of the flange is as follows: it comprises a flange body, a center hole is opened at the center position of the flange body, a square convex block is arranged on the outer end surface of the flange body, and a pin shaft hole is opened on the square convex block.

[0011] A plane is provided at one side of the outer circumferential surface of the flange body, and a hanging ring hole is opened on the plane.

[0012] A plurality of bolt holes are formed on the flange body.

[0013] The rotating disk, flange and core shaft are installed concentrically.

[0014] The beneficial effects of the utility model are as follows:

[0015] The utility model has a compact and reasonable structure and is easy to operate. Through the mutual cooperation between the four axes, the rotating disk of the four axes, the flange, the core shaft and the positioning pins, the valve body can be conveniently clamped and positioned, and then the multi-faceted processing of the valve body can be completed at one time. The overall clamping is convenient, the positioning is reliable, the operation is simple, the work efficiency is high, the processing precision is high, and the processing quality of the valve body is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the present utility model.

[0017] Figure 2 This is an exploded view of the present invention.

[0018] Figure 3 This is a schematic diagram of the installation of the core shaft and positioning pin of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the core shaft of the utility model.

[0020] Figure 5 This is a structural schematic diagram of the core shaft of the utility model from another perspective.

[0021] Figure 6 It is a structural schematic diagram of the flange of the utility model.

[0022] Figure 7 This is a schematic diagram of the flange of the present invention from another perspective.

[0023] Figure 8 It is a structural diagram of the valve body of the utility model.

[0024] Figure 9 This is a structural diagram of the valve body of the utility model from another perspective.

[0025] Among them: 1. Four shafts; 2. Rotating plate; 3. Flange; 4. Valve body; 5. Positioning pin; 6. Core shaft;

[0026] 301, flange body; 302, square protrusion; 303, pin hole; 304, flat surface; 305, eyelet hole; 306, center hole;

[0027] 401, square block; 402, pit; 403, connecting shaft;

[0028] 601, core shaft body; 602, countersunk hole; 603, locking hole; 604, protrusion. DETAILED DESCRIPTION

[0029] The specific implementation of the present utility model will be described below with reference to the accompanying drawings.

[0030] like Figures 1-9 As shown, the four-axis three-dimensional fixture dedicated to the pilot valve body of this embodiment includes four axes 1. A rotating disk 2 is installed at the output end of the four axes 1. The four axes 1 drive the rotating disk 2 to rotate. A core shaft 6 is installed at the center of the rotating disk 2. A positioning pin 5 is fixed on the rotating disk 2 next to the core shaft 6. A flange 3 is installed on the core shaft 6 and the positioning pin 5 through fasteners. The positioning pin 5 passes through the flange 3. A valve body 4 is installed on the outer end surface of the flange 3 through fasteners. At the same time, the positioning pin 5 extends into the back of the valve body 4.

[0031] The structure of the valve body 4 is as follows: it includes a square block 401, a pit 402 connected to the positioning pin 5 is provided on the back of the square block 401, and a connecting shaft 403 matched with the center of the flange 3 is provided in the middle position of the back of the valve body 4.

[0032] The structure of the core shaft 6 is as follows: it includes a core shaft body 601, a countersunk hole 602 is opened in the center of the core shaft body 601, a protrusion 604 is set on the back of the core shaft body 601, the protrusion 604 extends into the center of the rotating disk 2, and a plurality of locking holes 603 are opened in the circumferential direction of the core shaft body 601.

[0033] The structure of the flange 3 is as follows: it comprises a flange body 301 , a center hole 306 is opened at the center of the flange body 301 , a square protrusion 302 is provided on the outer end surface of the flange body 301 , and a pin shaft hole 303 is opened on the square protrusion 302 .

[0034] A plane 304 is provided on one side of the outer circumference of the flange body 301 , and a lifting ring hole 305 is opened on the plane 304 .

[0035] The flange body 301 is provided with a plurality of bolt holes.

[0036] The rotating disk 2, the flange 3 and the core shaft 6 are installed concentrically.

[0037] In actual work process:

[0038] First, prepare the four-axis 1, then install the core shaft 6 on the rotating disk 2 of the four-axis 1, insert the positioning pin 5, align the core shaft 6 and the positioning pin 5 to install the flange 3, and lock it with fasteners. The flange 3 can be hoisted using the eyelet hole 305; at this time, the fixture is ready, and you only need to fix the workpiece to the fixture according to the requirements of the workpiece (the valve body 4 in this embodiment), use the connecting shaft 403 on the back of the valve body 4 to insert it into the center of the flange 3, and the pit 402 cooperates with the positioning pin 5, and lock it with fasteners, thus completing the fixing of the valve body 4. If you need to process any surface of the valve body 4, you only need to drive the four-axis 1 to drive the rotating disk 2 to rotate, which can drive the valve body 4 to rotate, bringing great convenience to the surface processing of the valve body 4.

[0039] The brand of the four-axis 1 described in the present invention is Tanjia, and the model is HR-255.

[0040] The above description is an explanation of the utility model, not a limitation of the utility model. The scope of the utility model is defined by the claims. Any form of modification can be made within the scope of protection of the utility model.

Claims

1. A four-axis three-dimensional fixture for a pilot valve body, characterized by: The invention comprises four shafts (1), wherein a rotating disk (2) is installed at the output end of the four shafts (1), and the four shafts (1) drive the rotating disk (2) to rotate. A core shaft (6) is installed in the center of the rotating disk (2), and a positioning pin (5) is fixed on the rotating disk (2) located next to the core shaft (6). A flange (3) is installed on the core shaft (6) and the positioning pin (5) through fasteners. The positioning pin (5) passes through the flange (3), and a valve body (4) is installed on the outer end surface of the flange (3) through fasteners. At the same time, the positioning pin (5) extends into the back of the valve body (4); The structure of the valve body (4) is as follows: it includes a square block (401), the back of the square block (401) is provided with a pit (402) connected to the positioning pin (5), and the middle position of the back of the valve body (4) is provided with a connecting shaft (403) that cooperates with the center of the flange (3).

2. The four-axis three-dimensional fixture for the pilot valve body according to claim 1, characterized in that: The structure of the core shaft (6) is as follows: it includes a core shaft body (601), a countersunk hole (602) is opened at the center of the core shaft body (601), a protrusion (604) is provided on the back of the core shaft body (601), the protrusion (604) extends into the center of the rotating disk (2), and a plurality of locking holes (603) are opened in the circumferential direction of the core shaft body (601).

3. The four-axis three-dimensional fixture for the pilot valve body according to claim 1, characterized in that: The structure of the flange (3) is as follows: it comprises a flange body (301), a center hole (306) is opened at the center position of the flange body (301), a square protrusion (302) is provided on the outer end surface of the flange body (301), and a pin shaft hole (303) is opened on the square protrusion (302).

4. The four-axis three-dimensional fixture for the pilot valve body according to claim 3, characterized in that: A plane (304) is provided on one side of the outer circumferential surface of the flange body (301), and a hanging ring hole (305) is opened on the plane (304).

5. The four-axis three-dimensional fixture for the pilot valve body according to claim 3, characterized in that: The flange body (301) is provided with a plurality of bolt holes.

6. The four-axis three-dimensional fixture for the pilot valve body according to claim 1, characterized in that: The rotating disk (2), flange (3) and core shaft (6) are concentrically mounted.

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