CN108838725A - Positioning tool for milling outer circle of throttle valve housing and using method thereof - Google Patents

Abstract

The invention relates to throttle valve shell production equipment, in particular to an excircle milling positioning tool for a throttle valve shell and a using method thereof, wherein the excircle milling positioning tool comprises a supporting frame, a placing plate is arranged on the supporting frame, and a positioning hole for the throttle valve shell is arranged on the placing plate; the placing plate is provided with a rotary hydraulic cylinder; the end part of the rotary hydraulic cylinder is connected with a pressure lever used for pressing the throttle valve shell placed on the placing plate. The invention provides a positioning tool which can be used for milling an excircle of a throttle valve shell, and the throttle valve can be simply and conveniently fixed and conveniently milled by arranging a rotary hydraulic cylinder, a pressure lever and a placing plate.

Description

A positioning tool for milling outer circle of throttle valve housing and using method thereof

technical field

The invention relates to production equipment for a throttle valve housing, in particular to a positioning tool for milling an outer circle of a throttle valve housing and a use method thereof.

Background technique

In order to facilitate the connection with other components, the throttle valve housing interface needs to mill out a limit plate on the outer surface of the throttle valve housing interface to facilitate positioning and connection. Traditional throttle valve housing interface milling outer circle operation, generally It is clamped by the positioning clamp of the machine tool. Using the machine tool to clamp, the clamping force is not easy to grasp. If it is too large, it will easily cause damage to the shell, and if it is too small, it will not achieve the fixing effect. Therefore, it is necessary to adjust to an appropriate clamping force. It makes the operation process of milling the outer circle cumbersome, so in order to improve the efficiency and clamp the fastening tool with less damage to the shell during milling, it is now needed.

Contents of the invention

The object of the present invention is to overcome the deficiencies of the prior art, and provide a throttle valve shell milling outer circle positioning tool with simple structure and convenient positioning.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A positioning tool for milling the outer circle of a throttle valve housing, comprising a support frame, a placement plate is arranged on the support frame, and a positioning hole for a throttle valve housing is provided on the placement board; A rotary hydraulic cylinder is provided; the end of the rotary hydraulic cylinder is connected with a pressure rod for pressing the throttle valve housing placed on the placement plate.

The rotary hydraulic cylinder includes a rotating shaft, and the rotating shaft is connected with the pressing rod through a connecting portion.

The connecting part includes a threaded hole arranged at the end of the rotating shaft, the pressing rod is connected with the rotating shaft through a connecting rod, and the connecting rod is provided with an external thread connected with the threaded hole.

The placing plate is provided with a limiting plate for limiting the lateral movement of the throttle valve housing.

The limiting plate includes a limiting plate body, and a positioning groove is arranged on the limiting plate body.

The end of the pressure rod is provided with an extrusion groove.

The side of the extrusion groove is provided with a vertical plate, and the vertical plate is provided with a longitudinal limit groove, and the longitudinal limit groove is engaged with the reinforcing rib on the throttle valve housing.

A method for using a positioning tool for milling an outer circle of a throttle valve housing, the method includes the following steps:

(1) The throttle valve that needs to be milled on the outer circle of the throttle valve can be placed on the placement plate, and the legs on the throttle valve housing can be inserted into the positioning hole;

(2) Start the rotary hydraulic cylinder to drive the pressure rod to rotate, so that the end of the pressure rod is pressed against the throttle valve housing, and the throttle valve housing is positioned under the interaction between the pressure rod and the placement plate;

(3) After step (2) is completed, start the milling machine to realize the operation of milling the outer circle of the throttle valve housing.

The advantages of the present invention are:

The invention provides a positioning tool, which can be used for the operation of milling the outer circle of the throttle valve shell. Through the setting of the rotating hydraulic cylinder, the pressure rod and the placement plate, the throttle valve can be easily and conveniently fixed, and it is convenient to carry out Milling outer circle operation.

Description of drawings

The content expressed in each accompanying drawing of the description of the present invention and the marks in the figure are briefly described below:

Fig. 1 is the front view of the present invention.

Figure 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view of the middle pressure rod of the present invention.

Fig. 4 is the front view of the vertical plate in the present invention. .

Detailed ways

The specific implementation manner of the present invention will be described in further detail below by describing the best embodiment with reference to the accompanying drawings.

A positioning tool for milling the outer circle of a throttle valve housing 2, comprising a support frame, on which a placement plate 1 is provided, and a positioning hole for the throttle valve housing 2 is provided on the placement plate 1; The placement plate 1 is provided with a rotary hydraulic cylinder 5; the end of the rotary hydraulic cylinder 5 is connected with a pressure rod 6 for pressing the throttle valve housing 2 placed on the placement plate 1; the present invention provides a positioning tool, It can be used for milling the outer circle of the throttle valve housing 2. By rotating the hydraulic cylinder 5, the pressure rod 6 and the setting of the placement plate 1, the throttle valve can be fixed simply and conveniently, and it is convenient for milling the outer circle of it. Simultaneously in the present invention, the placement plate 1 is provided with positioning holes, and the positioning holes are matched with the upper legs of the throttle valve housing 2, and through the cooperation of the positioning holes and the legs, the throttle valve housing 2 can be better realized. fixed, it is easier to realize the fixed operation of the throttle valve; at the same time, the present invention uses the rotary hydraulic cylinder 5 to replace the traditional hydraulic cylinder, because limited to the space limitation of the milling machine, the traditional linear motion hydraulic cylinder occupies a large space, which is not conducive to The arrangement of each component; and the use of the rotary hydraulic cylinder 5 and the pressure rod 6 together avoids such technical problems.

As preferably, the rotating hydraulic cylinder 5 in the present invention includes a rotating shaft, and the rotating shaft is connected with the pressure rod 6 through a connecting portion; The rotation of the hydraulic cylinder drives the pressure rod 6 to rotate, so as to realize the compression operation of the pressure rod 6 on the throttle valve housing 2 .

As a preference, the connecting part in the present invention includes a threaded hole arranged at the end of the rotating shaft, and the pressing rod 6 is connected to the rotating shaft through a connecting rod 51, and the connecting rod 51 is provided with an outer threaded hole connected to the threaded hole. Thread: the connecting rod 51 is connected with the rotating shaft through a thread, which facilitates the replacement of the pressure rod 6, so that the structure disclosed in the present invention can be applied to throttle valve housings 2 of different types.

As preferably, in the present invention, the placement plate 1 is provided with a limiting plate 3 for limiting the lateral movement of the throttle housing 2; The sides of the body 2 fit together to prevent the throttle valve housing 2 from moving laterally along the placement plate 1; and then play a position-limiting role. As a greater preference, the position-limiting plate 3 in the present invention includes the body of the position-limiting plate 3, so The body of the limiting plate 3 is provided with a positioning groove 4. The setting of the positioning groove 4 can better realize the positioning and limiting of the throttle valve housing 2; at the same time, the inner surface of the positioning groove 4 fits with it in actual operation. The side structures of the throttle valve housings 2 are exactly the same, and the purpose of such setting is to better fit the two and avoid lateral movement of the throttle valve housing.

As preferably, the end of the pressure rod 6 in the present invention is provided with an extrusion groove 61; As a greater preference, a vertical plate 62 is provided on the side of the extrusion groove 61 in the present invention, and the vertical plate 62 plays a certain role of limiting, and at the same time, the vertical plate 62 is provided with a longitudinal limit Groove 621, the longitudinal limiting groove 621 is clamped with the reinforcement rib on the throttle valve housing 2; such a setting makes the connection between the pressure rod 6 and the throttle valve housing 2 tighter, and better realizes the alignment. The limit of flow valve housing 2 is fixed.

A method for using a positioning tool for milling an outer circle of a throttle valve housing 2, the method includes the following steps:

(1) The throttle valve that needs to be milled on the outer circle of the throttle valve can be placed on the placement plate 1, and the legs on the throttle valve housing 2 can be inserted into the positioning hole;

(2) Start the rotary hydraulic cylinder 5 to drive the pressure rod 6 to rotate, so that the end of the pressure rod 6 presses the throttle valve housing 2, and the throttle valve housing 2 is completed under the interaction between the pressure rod 6 and the placement plate 1. positioning;

(3) After the step (2) is completed, start the milling machine to realize the operation of milling the outer circle of the throttle valve housing 2 .

Apparently, the specific implementation of the present invention is not limited by the above methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the present invention, they all fall within the protection scope of the present invention.

Claims (8)

1. A positioning tool for milling the outer circle of the throttle valve housing, characterized in that it includes a support frame, a placement plate is provided on the support frame, and a positioning hole for the throttle valve housing is provided on the placement plate The placing plate is provided with a rotary hydraulic cylinder; the end of the rotary hydraulic cylinder is connected with a pressure rod for pressing the throttle valve housing placed on the placing plate. 2 . The positioning tool for milling the outer circle of the throttle valve housing according to claim 1 , wherein the rotary hydraulic cylinder includes a rotating shaft, and the rotating shaft is connected to the pressing rod through a connecting portion. 3 . 3. A positioning tool for milling the outer circle of a throttle valve housing according to claim 2, wherein the connecting part includes a threaded hole arranged at the end of the rotating shaft, and the pressing rod passes through the connecting rod Connected with the rotating shaft, the connecting rod is provided with an external thread connected with the threaded hole. 4 . The positioning tool for milling the outer circle of the throttle valve housing according to claim 1 , wherein the placing plate is provided with a limit plate for limiting the lateral movement of the throttle valve housing. 5 . 5. A positioning tool for milling the outer circle of the throttle valve housing according to claim 4, wherein the limiting plate includes a limiting plate body, and a positioning groove is provided on the limiting plate body . 6 . The positioning tool for milling the outer circle of the throttle valve housing according to claim 1 , wherein an extrusion groove is provided at the end of the pressure rod. 7 . 7. A positioning tool for milling the outer circle of a throttle valve housing according to claim 6, wherein a vertical plate is provided on the side of the extrusion groove, and a longitudinal limiter is provided on the vertical plate. position slot, and the longitudinal limit slot is clamped with the reinforcing rib on the throttle valve housing. 8. A method for using the positioning tool for milling the outer circle of the throttle valve housing according to any one of claims 1-7, characterized in that the method of use comprises the following steps: (1) The throttle valve that needs to be milled on the outer circle of the throttle valve can be placed on the placement plate, and the legs on the throttle valve housing can be inserted into the positioning hole; (2) Start the rotary hydraulic cylinder to drive the pressure rod to rotate, so that the end of the pressure rod is pressed against the throttle valve housing, and the throttle valve housing is positioned under the interaction between the pressure rod and the placement plate; (3) After step (2) is completed, start the milling machine to realize the operation of milling the outer circle of the throttle valve housing.