CN212371205U - Special positioning and clamping device for numerical control machine tool for machining valve body - Google Patents
Special positioning and clamping device for numerical control machine tool for machining valve body Download PDFInfo
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- CN212371205U CN212371205U CN202020600273.0U CN202020600273U CN212371205U CN 212371205 U CN212371205 U CN 212371205U CN 202020600273 U CN202020600273 U CN 202020600273U CN 212371205 U CN212371205 U CN 212371205U
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Abstract
The utility model relates to a special location clamping device of digit control machine tool for processing valve body, comprising a base plate, the turnover is to angle device, chuck and three jack catch, the turnover is turned to angle device and is fixed on the bottom plate, the chuck assembly is on the turnover is to angle device, the radial clamping of three jack catch is on the chuck, the bottom plate is fixed with the backup pad, the medial surface of backup pad is parallel with the lateral surface of chuck, threaded connection has the bolt ejector pin that sets up with the axle center with the chuck in the backup pad, bolt ejector pin is equipped with the tight dish in top that sets up with the axle center with the chuck towards the one end of chuck, the bolt ejector pin. The utility model discloses simple structure, convenient operation fixes a position reliably to the valve body, and is difficult for the swing to can carry out the manufacturing procedure of a plurality of faces, realize once fixing a position, process the purpose on a plurality of surfaces, further improve production efficiency.
Description
Technical Field
The utility model relates to a valve body processing field, concretely relates to special positioning and clamping device of digit control machine tool for processing valve body.
Background
Before the valve body is machined by a numerical control machine tool, the valve body needs to be clamped and positioned, so that the position of the valve body is kept fixed. When the valve body is clamped, the T-shaped screw is placed in the T-shaped groove of the bottom plate, and more than three pressing plates are used for pressing the valve body on the workbench to fix the valve body. Because the position of clamping the valve body at each time is random, the accurate positioning of the valve body cannot be realized after the pressing plate is pressed tightly, and the numerical control machine tool is used for processing the valve body and needs to program by taking the original point of the coordinate system of the valve body as a starting point, the original point and the tool setting need to be found again in each clamping, and the advantages of the numerical control machine tool cannot be fully exerted. The flange surface of the valve body is attached to the working table surface and compressed to fix the valve body, only the upper top surface part of the valve body can be machined by one-time clamping, other surfaces to be machined need to be clamped again, operation is complex, unnecessary labor is caused, and efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, convenient operation, the utility model discloses simple structure, convenient operation is reliable to the valve body location, and is difficult for the swing to can carry out the manufacturing procedure of a plurality of faces, realize once fixing a position, process the purpose on a plurality of surfaces, further improve production efficiency's positioning and clamping device.
For solving the above-mentioned problem that exists among the prior art, the utility model provides a pair of special location clamping device of digit control machine tool for processing valve body, including bottom plate, turnover angle device, chuck and three jack catch, the turnover angle device is fixed on the bottom plate, the chuck assembly is on turnover angle device, and is three the radial clamping of jack catch is on the chuck, the bottom plate is fixed with the backup pad, the medial surface of backup pad is parallel with the lateral surface of chuck, threaded connection has the bolt ejector pin that sets up with the axle center with the chuck in the backup pad, and bolt ejector pin is equipped with the tight dish in top that sets up with the axle center with the chuck towards the one end of chuck, and the bolt ejector pin other end is equipped with the regulation handle.
Further, the utility model relates to a special positioning and clamping device of digit control machine tool for processing valve body, wherein, the jack catch radially opens along the chuck has the circular arc step face that risees step by step from inside to outside, and is three every grade of corresponding circular arc step face of jack catch forms a plurality of clamping faces.
Further, the utility model relates to a special positioning and clamping device of digit control machine tool for processing valve body, wherein, week turns to the angle device and is the rotatory graduated disk of hand formula or the rotatory graduated disk of electrodynamic type.
Further, the utility model relates to a special positioning and clamping device of digit control machine tool for processing valve body, wherein, the tight dish in top imbeds a plurality of pressure sensor along circumference on the lateral wall of chuck, pressure sensor links to each other with external control ware.
Further, the utility model relates to a special location clamping device of digit control machine tool for processing valve body, wherein, the tight dish in top is equipped with anti-skidding rubber towards on the lateral wall of chuck, the last annular knurl that is equipped with of anti-skidding rubber.
Further, the utility model relates to a special positioning and clamping device of digit control machine tool for processing valve body, wherein, the distance between backup pad and the chuck is 1-2 times of bolt ejector pin length.
The utility model relates to a special positioning and clamping device of digit control machine tool for processing valve body compares with prior art, has following advantage: the utility model discloses utilize chuck and jack catch from the characteristics of feeling relieved, the position after the valve body is pressed from both sides tightly is fixed by only, be suitable for and select suitable location benchmark original point, utilize the backup pad, the cooperation of bolt ejector pin and the tight dish in top compresses tightly the valve body, prevent the valve body from upper and lower or the swing back and forth, regard the binding face of valve body and jack catch as the coordinate system of the appointed digit control machine tool of reference surface, utilize week steering angle device can realize that the valve body follows circumferential direction, realize once fixing a position, the purpose on a plurality of surfaces of processing makes things convenient for the digit control machine. Simultaneously the utility model has the advantages of simple structure and convenient operation.
The following describes in detail a positioning and clamping device for a numerical control machine tool used for machining a valve body according to the present invention with reference to the specific embodiments shown in the drawings.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a right side view of the present invention;
fig. 3 is a schematic structural view of the middle jaw of the present invention.
Detailed Description
As shown in fig. 1 and 2, the utility model relates to a special location clamping device of digit control machine tool for processing valve body's an embodiment, comprising a base plate 1, week turns to angle device 2, chuck 3 and three jack catch 4, wherein, the turnover is fixed on bottom plate 1 to angle device 2, chuck 3 assembles on turnover is to angle device 2, the radial clamping of three jack catch 4 is on chuck 3, bottom plate 1 is fixed with backup pad 5, the medial surface of backup pad 5 is parallel with chuck 3's lateral surface, threaded connection has the bolt ejector pin 6 with the axle center setting of chuck 3 in backup pad 5, bolt ejector pin 6 is equipped with the tight dish 7 in top that sets up with the axle center of chuck 3 towards chuck 3's one end, the bolt ejector pin 6 other end is equipped with adjustment handle 8.
It will be understood by those skilled in the art that the epicyclic angular device 2 is a device that drives the chuck 3 in rotation along an axis, and that the epicyclic angular device 2 may be a hand-operated rotary indexing disc or an electrically-operated rotary indexing disc. The chuck 3 can control the radial displacement of the jaws 4 on the chuck, typically by means of a bevel drive to change the relative position of the jaws 4 on the chuck.
The utility model discloses utilize chuck 3 and jack catch 4 from the characteristics of feeling relieved, the position after the valve body is pressed from both sides tightly is by only definite, be suitable for and select suitable location benchmark original point, utilize backup pad 5, bolt ejector pin 6 compresses tightly the valve body and makes its terminal surface parallel with chuck 3 with the cooperation of the tight dish 7 in top, prevent the valve body from top to bottom or swing back and forth, regard the binding face of valve body and jack catch 4 as the coordinate system of the appointed digit control machine tool of reference surface, utilize week steering angle device 2 can realize that the valve body follows circumferential direction, realize once fixing a position, the purpose on a plurality of surfaces of processing, make things convenient for digit control machine tool processing, utilize the cooperation of above-mentioned part, the positive. When in actual use, utilize jack catch 4 earlier with the valve body location, then compress tightly the valve body with tight dish 7 in top under the drive of bolt ejector pin 6 through rotation regulation handle 8, with the initial point of programming location of digit control machine tool on the binding face of valve body and jack catch 4, and then digit control machine tool cutter top-down to valve body processing, through above-mentioned location and compress tightly the step, can guarantee the fastness that the valve body is fixed on the one hand, on the other hand need not look for the initial point again when programming.
As a specific implementation manner, as shown in fig. 1 and fig. 3, the jaw 4 of the present invention is provided with an arc step surface that is gradually raised from inside to outside along the radial direction of the chuck 3, and the corresponding arc step surface of each step of the three jaws forms a plurality of clamping surfaces. With jack catch 4 design for radially opening along chuck 3 have from inside to outside circular arc step face that risees step by step, the centre gripping of adaptation to the valve body flange that circular arc step face can be better, fix a position more accurately, can adapt to more different flange diameters's valve body through setting up multistage step.
As a specific embodiment, as shown in fig. 3, in order to improve automation control, a plurality of pressure sensors are embedded in the circumferential direction on the side wall of the tightening plate 7 facing the chuck 3, and the pressure sensors are connected to an external controller, which may be a programmable logic controller or the like. Through the design, when the adjusting handle 8 is adjusted, the external controller reads the pressure value between the tightening disc 7 and the pressed valve body, and then the pressing force is controlled within a certain range, so that the flange is prevented from being damaged by excessive force. In order to further ensure the reliability of the pressing and increase the friction force, the side wall of the tightening disc 7 facing the chuck 3 is provided with anti-skid rubber, and the anti-skid rubber is provided with knurls.
As an optimized scheme, the distance between the supporting plate 5 and the chuck 3 in the present embodiment is set to be 1-2 times of the length of the bolt ejector 6, and by adopting the above design, on one hand, the length of the bolt ejector 6 can be shortened as much as possible to reduce the time for adjusting the adjusting handle 8 in the machining process, and on the other hand, the strength of the bolt ejector 6 can be increased by shortening the length thereof.
The utility model has the advantages as follows:
1. the valve body is simple and convenient to clamp and operate, and the operation time, the times and the physical strength of an operator are saved.
2. The valve body is reliable in positioning and not easy to swing, and valve body positioning deviation, valve body scrapping and machine tool cutter loss are avoided.
3. The process content on a plurality of faces can be processed by one-time clamping, the processing efficiency is improved, and the automation capability of the numerical control machine tool is fully exerted.
4. One set of device can process valve bodies of a plurality of models; according to the valve body size difference, the size of the three claws of the chuck is adjusted, and then different types of valve bodies can be clamped.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The above embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the present invention as defined by the claims.
Claims (6)
1. A positioning and clamping device special for a numerical control machine tool for processing a valve body comprises a bottom plate (1), a turnover angle device (2), a chuck (3) and three clamping jaws (4), the circumferential steering angle device (2) is fixed on the bottom plate (1), the chuck (3) is assembled on the circumferential steering angle device (2), the three clamping jaws (4) are radially clamped on the chuck (3), it is characterized in that a supporting plate (5) is fixed on the bottom plate (1), the inner side surface of the supporting plate (5) is parallel to the outer side surface of the chuck (3), threaded connection has bolt ejector pin (6) with the axle center setting of chuck (3) on backup pad (5), and bolt ejector pin (6) are equipped with tight dish (7) in the top that sets up with the axle center with chuck (3) towards the one end of chuck (3), and the bolt ejector pin (6) other end is equipped with adjustment handle (8).
2. The positioning and clamping device special for the numerical control machine tool used for processing the valve body is characterized in that the clamping jaws (4) are provided with circular arc step surfaces which are gradually raised from inside to outside along the radial direction of the chuck (3), and the corresponding circular arc step surfaces of each stage of the three clamping jaws form a plurality of clamping surfaces.
3. The positioning and clamping device special for the numerical control machine tool for processing the valve body according to the claim 1 is characterized in that the circumferential steering angle device (2) is a hand-operated rotary indexing disc or an electric rotary indexing disc.
4. The special positioning and clamping device for the numerical control machine tool used for processing the valve body according to the claim 1 is characterized in that a plurality of pressure sensors are embedded on the side wall of the jacking disk (7) facing to the chuck (3) along the circumferential direction, and the pressure sensors are connected with an external controller.
5. The special positioning and clamping device for the numerical control machine tool used for processing the valve body according to the claim 4 is characterized in that the side wall of the jacking disc (7) facing the chuck (3) is provided with anti-skid rubber, and the anti-skid rubber is provided with knurling.
6. The special positioning and clamping device for the numerical control machine tool for processing the valve body according to the claim 1 is characterized in that the distance between the supporting plate (5) and the chuck (3) is 1-2 times of the length of the bolt mandril (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020600273.0U CN212371205U (en) | 2020-04-21 | 2020-04-21 | Special positioning and clamping device for numerical control machine tool for machining valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020600273.0U CN212371205U (en) | 2020-04-21 | 2020-04-21 | Special positioning and clamping device for numerical control machine tool for machining valve body |
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| Publication Number | Publication Date |
|---|---|
| CN212371205U true CN212371205U (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020600273.0U Active CN212371205U (en) | 2020-04-21 | 2020-04-21 | Special positioning and clamping device for numerical control machine tool for machining valve body |
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| CN (1) | CN212371205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924621A (en) * | 2021-01-25 | 2021-06-08 | 白城师范学院 | Contact tightness detection device for computer image recognition |
| CN113510483A (en) * | 2021-08-02 | 2021-10-19 | 武义县协力机电有限公司 | Integrated processing equipment and processing method for drilling, milling and chamfering of cylinder jacket |
-
2020
- 2020-04-21 CN CN202020600273.0U patent/CN212371205U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924621A (en) * | 2021-01-25 | 2021-06-08 | 白城师范学院 | Contact tightness detection device for computer image recognition |
| CN112924621B (en) * | 2021-01-25 | 2023-05-16 | 白城师范学院 | Contact compactness detection device for computer image recognition |
| CN113510483A (en) * | 2021-08-02 | 2021-10-19 | 武义县协力机电有限公司 | Integrated processing equipment and processing method for drilling, milling and chamfering of cylinder jacket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Special Positioning and Clamping Device for CNC Machine Tools Used for Machining Valve Bodies Effective date of registration: 20230328 Granted publication date: 20210119 Pledgee: Bank of China Limited by Share Ltd. Hohhot Xinhua Branch Pledgor: Inner Mongolia xinguangjin Gas Equipment Co.,Ltd. Registration number: Y2023150000055 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |