CN218002840U - Machine tool fixture with automatic air tightness detection function - Google Patents
Machine tool fixture with automatic air tightness detection function Download PDFInfo
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- CN218002840U CN218002840U CN202221778236.4U CN202221778236U CN218002840U CN 218002840 U CN218002840 U CN 218002840U CN 202221778236 U CN202221778236 U CN 202221778236U CN 218002840 U CN218002840 U CN 218002840U
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Abstract
The utility model relates to a frock clamp technical field, in particular to lathe anchor clamps with gas tightness automated inspection function, through the location boss that matches at base design and above-mentioned flange face, and pass respectively through first locating pin and second locating pin the connecting hole is with the location, through the structure of design bulge, make the upper surface of bulge and the location plane laminating of work piece, and the through-hole design is on the upper surface of bulge, promptly after the accurate clamping of work piece, bleed to the trachea through the air pump, if the bulge upper surface closely laminates with the location plane of work piece, then be in vacuum state in the trachea, it targets in place to explain the work piece clamping, thereby start the procedure through the controller, if can't be in vacuum state in the trachea, it does not target in place to explain the work piece, need readjust the clamping state of work piece, just can start subsequent procedure, avoid because of the work piece do not have the clamping to target in place and lead to the damage of work piece or equipment.
Description
Technical Field
The utility model relates to a frock clamp technical field, in particular to machine tool fixture with gas tightness automated inspection function.
Background
For the processing of some special workpieces, the precision requirement for workpiece clamping is very high, for example, in the processing of a shell of a natural gas valve body, a through hole needs to be arranged at a specific position on the shell of the natural gas valve body, and a metal column needs to be pressed at the through hole for subsequent drilling processing on the metal column.
Therefore, how to ensure that the machining program is started after the workpiece is accurately clamped on the machine tool fixture becomes a technical problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: how to ensure that the machining program is started after the workpiece is accurately clamped on a machine tool clamp.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a machine tool clamp with an automatic airtightness detection function is used for clamping a workpiece with a flange surface, a positioning plane which is recessed in a direction away from the flange surface is arranged on the inner side of the flange surface of the workpiece, two connecting lugs which are oppositely arranged are arranged on the flange surface, and each connecting lug is provided with a connecting hole;
the upper surface of the base is provided with a positioning boss matched with the flange surface of the workpiece, the positioning boss is provided with a first positioning pin and a second positioning pin matched with a connecting hole of the flange surface of the workpiece, the upper surface of the positioning boss is provided with a protruding part, and the protruding part is used for enabling the upper surface of the protruding part to be attached to the positioning plane of the workpiece when the flange surface of the workpiece is attached to the positioning boss; the protruding part is provided with a through hole, one end of the through hole is positioned on the upper surface of the protruding part, the air pipe is connected to the other end of the through hole, the air pump is connected to the air pipe, and the air pressure sensor is connected to the air pipe;
the number of the pneumatic clamps is 2, and the 2 pneumatic clamps are respectively used for pressing the upper parts of the connecting lugs of the workpieces from top to bottom.
Further, in the above machine tool fixture structure with automatic airtightness detection function, the workpiece is provided with a through hole, and the base is provided with a positioning column in transition fit with the through hole of the workpiece.
Further, in the above machine tool fixture structure with automatic airtightness detection function, the positioning column is disposed on one side close to the first positioning pin, and the protruding portion is disposed on one side close to the second positioning pin.
Further, in the above machine tool fixture structure with automatic airtightness detection function, the number of the protruding portions is 2, and the 2 protruding portions are symmetrically distributed on two sides of a connecting line between the first positioning pin and the second positioning pin.
Further, in the above machine tool fixture structure with automatic airtightness detection function, the outer side face of the protruding portion is in an arc shape matched with the inner side face of the flange of the workpiece.
Further, among the above-mentioned lathe anchor clamps structure that has gas tightness automated inspection function, air jig includes cylinder, clamping jaw body and connecting seat, the connecting seat is connected in the base, the vertical upwards connection in the base of cylinder body of cylinder, clamping jaw body includes exposed core and link, clamping jaw body's link pin joint in the piston rod of cylinder, clamping jaw body's exposed core is used for from the engaging lug of follow centre gripping work piece downwards, clamping jaw body's middle part pin joint in the connecting seat.
The beneficial effects of the utility model reside in that: the utility model relates to a lathe anchor clamps structure with gas tightness automated inspection function, through the location boss that matches at base design and above-mentioned flange face, and pass respectively through first locating pin and second locating pin the connecting hole is with the location, through the structure of design bulge, make the upper surface of bulge and the location plane laminating of work piece, and the through-hole design is at the upper surface of bulge, promptly after the accurate clamping of work piece, bleed to the trachea through the air pump, if the bulge upper surface closely laminates with the location plane of work piece, then the endotracheal vacuum state that is located, it puts in place to explain the work piece clamping, thereby start the procedure through the controller, if can't be in vacuum state in the trachea, it puts in place to explain the work piece not clamping, need readjust the clamping state of work piece, just can start subsequent procedure, avoid not having the clamping because of the work piece and put in place and lead to the damage of work piece or equipment.
Drawings
Fig. 1 is a schematic structural diagram of a machine tool fixture with an automatic airtightness detection function according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a workpiece clamped by a machine tool fixture with an automatic airtightness detection function according to an embodiment of the present invention;
description of reference numerals:
1. a workpiece; 11. a flange face; 12. positioning a plane; 13. connecting lugs; 14. connecting holes;
2. a base; 21. positioning the boss; 22. a first locating pin; 23. a second positioning pin; 24. a projection; 241. a through hole; 25. a positioning column;
3. a pneumatic clamp; 31. a cylinder; 32. a jaw body; 33. a connecting seat.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Example 1
Referring to fig. 1 and 2, a machine tool fixture with an automatic airtightness detection function is used for clamping a workpiece 1 with a flange surface 11, a positioning plane 12 recessed in a direction away from the flange surface 11 is arranged on the inner side of the flange surface 11 of the workpiece 1, the flange surface 11 is provided with two connecting lugs 13 which are oppositely arranged, and the connecting lugs 13 are provided with connecting holes 14, and the machine tool fixture is characterized by comprising a base 2, an air pipe, an air pump, an air pressure sensor and a pneumatic fixture 3;
the upper surface of the base 2 is provided with a positioning boss 21 matched with the flange surface 11 of the workpiece 1, the positioning boss 21 is provided with a first positioning pin 22 and a second positioning pin 23 matched with the connecting hole 14 of the flange surface 11 of the workpiece 1, the upper surface of the positioning boss 21 is provided with a protruding part 24, and the protruding part 24 is used for enabling the upper surface of the protruding part 24 to be attached to the positioning plane 12 of the workpiece 1 when the flange surface 11 of the workpiece 1 is attached to the positioning boss 21; the protruding part 24 is provided with a through hole 241, one end of the through hole 241 is positioned on the upper surface of the protruding part 24, the air pipe is connected to the other end of the through hole 241, the air pump is connected to the air pipe, and the air pressure sensor is connected to the air pipe;
the number of the pneumatic clamps 3 is 2, and the 2 pneumatic clamps 3 are respectively used for pressing the upper parts of the connecting lugs 13 of the workpiece 1 from top to bottom.
In the above structure, the clamped workpiece 1 may be a natural gas valve body, please refer to fig. 2, the structure includes a waist-round flange surface 11, two sides of the flange surface 11 are provided with connecting lugs 13, the connecting lugs 13 are provided with connecting holes 14 for bolt connection, for the above structure, a positioning boss 21 matched with the flange surface 11 is designed on the base 2, and the first positioning pin 22 and the second positioning pin 23 respectively penetrate through the connecting holes 14 for positioning, by designing the structure of the protruding portion 24, the upper surface of the protruding portion 24 is attached to the positioning plane 12 of the workpiece 1, and the through hole 241 is designed on the upper surface of the protruding portion 24, that is, after the workpiece 1 is accurately clamped, the air pump is used to supply air to the air pipe, if the upper surface of the protruding portion 24 is closely attached to the positioning plane 12 of the workpiece 1, the air pipe is in a vacuum state, which indicates that the workpiece 1 is clamped in place, so that the machining program is started by the controller, if the air pipe is in a vacuum state, the workpiece 1 is not clamped in place, the subsequent machining program can be started by readjusting the hole, in the subsequent machining process, the natural gas extraction process is a natural gas valve body, and the workpiece 1 is used for avoiding press-pressing and the workpiece 1 is damaged by the metal column before press-clamping, and the press-mounting of the workpiece 1.
Example 2
The machine tool fixture with the automatic airtightness detection function according to embodiment 1, wherein the workpiece 1 is provided with a through hole 241, and the base 2 is provided with a positioning column 25 in transition fit with the through hole 241 of the workpiece 1.
In the above structure, referring to fig. 1 and 2, the positioning column 25 is used for being in transition fit with the through hole 241 of the workpiece 1 to play a role in assisting positioning, so as to further improve the precision and efficiency of clamping the workpiece 1.
Example 3
The jig for machine tool having automatic airtightness testing function according to embodiment 2, wherein the positioning pin 25 is provided on the side close to the first positioning pin 22, and the protruding portion 24 is provided on the side close to the second positioning pin 23.
In the above structure, the protruding portion 24 is disposed on one side of the first positioning pin 22, i.e. on one side of the positioning column 25, so as to achieve a better auxiliary positioning effect, and further improve the clamping accuracy and efficiency of the workpiece 1.
Example 4
The jig for a machine tool having an automatic airtightness detection function according to embodiment 2, wherein the number of the protruding portions 24 is 2, and 2 protruding portions 24 are symmetrically distributed on both sides of a connecting line between the first positioning pin 22 and the second positioning pin 23. The structure can achieve a better auxiliary positioning effect, and further improves the clamping precision and efficiency of the workpiece 1.
Example 5
The jig for a machine tool having an automatic airtightness detecting function according to embodiment 1, wherein the outer side surface of the protruding portion 24 has an arc shape matching the inner side surface of the flange of the workpiece 1. The structure can achieve a better auxiliary positioning effect, and further improves the clamping precision and efficiency of the workpiece 1.
Example 6
In the above structure, the clamping jaw body 32 is an important component for clamping the workpiece 1 on the base 2, and the clamping jaws and the positioning bosses 21 are used for clamping and fixing the connecting lugs 13 on the two sides of the workpiece 1 from the vertical direction, so that the workpiece 1 is stably clamped and not loosened in the machining process by matching with the positioning and matching of the first positioning pin 22, the second positioning pin 23, the positioning column 25 and the protruding part 24, and the machining precision of the workpiece 1 is improved.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. A machine tool clamp with an automatic airtightness detection function is used for clamping a workpiece with a flange surface, a positioning plane which is sunken in a direction away from the flange surface is arranged on the inner side of the flange surface of the workpiece, two connecting lugs which are oppositely arranged are arranged on the flange surface, and each connecting lug is provided with a connecting hole;
the upper surface of the base is provided with a positioning boss matched with the flange surface of a workpiece, the positioning boss is provided with a first positioning pin and a second positioning pin matched with a connecting hole of the flange surface of the workpiece, the upper surface of the positioning boss is provided with a protruding part, and the protruding part is used for attaching the upper surface of the protruding part to the positioning plane of the workpiece when the flange surface of the workpiece is attached to the positioning boss; the protruding part is provided with a through hole, one end of the through hole is positioned on the upper surface of the protruding part, the air pipe is connected to the other end of the through hole, the air pump is connected to the air pipe, and the air pressure sensor is connected to the air pipe;
the number of the pneumatic fixtures is 2, and the 2 pneumatic fixtures are respectively used for pressing the upper parts of the connecting lugs of the workpieces from top to bottom.
2. The machine tool fixture with the automatic airtightness detection function according to claim 1, wherein the workpiece is provided with a through hole, and the base is provided with a positioning column which is in transition fit with the through hole of the workpiece.
3. The jig having the automatic airtightness detection function according to claim 2, wherein the positioning column is provided on a side close to the first positioning pin, and the projection is provided on a side close to the second positioning pin.
4. The jig having the automatic airtightness detection function according to claim 2, wherein the number of the projections is 2, and 2 of the projections are symmetrically arranged on both sides of a connecting line between the first positioning pin and the second positioning pin.
5. The machine tool fixture with the automatic airtightness detection function according to claim 1, wherein the outer side face of the protruding portion has an arc shape that matches the inner side face of the flange of the workpiece.
6. The machine tool fixture with the automatic airtightness detection function according to claim 1, wherein the pneumatic fixture comprises a cylinder, a clamping jaw body and a connecting seat, the connecting seat is connected to the base, a cylinder body of the cylinder is vertically connected to the base upward, the clamping jaw body comprises a clamping end and a connecting end, the connecting end of the clamping jaw body is pivoted to a piston rod of the cylinder, the clamping end of the clamping jaw body is used for clamping a connecting lug of a workpiece from top to bottom, and the middle part of the clamping jaw body is pivoted to the connecting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221778236.4U CN218002840U (en) | 2022-07-08 | 2022-07-08 | Machine tool fixture with automatic air tightness detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221778236.4U CN218002840U (en) | 2022-07-08 | 2022-07-08 | Machine tool fixture with automatic air tightness detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218002840U true CN218002840U (en) | 2022-12-09 |
Family
ID=84315680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221778236.4U Active CN218002840U (en) | 2022-07-08 | 2022-07-08 | Machine tool fixture with automatic air tightness detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218002840U (en) |
-
2022
- 2022-07-08 CN CN202221778236.4U patent/CN218002840U/en active Active
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