CN217750548U - Built-in quick clamping and positioning device of numerical control lathe - Google Patents
Built-in quick clamping and positioning device of numerical control lathe Download PDFInfo
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- CN217750548U CN217750548U CN202222162085.6U CN202222162085U CN217750548U CN 217750548 U CN217750548 U CN 217750548U CN 202222162085 U CN202222162085 U CN 202222162085U CN 217750548 U CN217750548 U CN 217750548U
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- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 7
- 238000005255 carburizing Methods 0.000 claims description 2
- 238000005121 nitriding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the lathe clamping structure, especially, relate to a built-in quick clamping positioner of numerical control lathe. Comprises a precise positioning piece, a telescopic adjusting rod, a locking nut, a workpiece baffle and a chuck; the precise positioning piece is of a conical column structure and is arranged in a positioning hole in the front end of a lathe spindle; the chuck is arranged on a chuck mounting position of the lathe, and the front end surface of the workpiece baffle is a smooth positioning surface; the built-in quick clamping positioning device for the numerical control lathe is used for positioning a main body by utilizing a matching device of a machine tool original structure, and a workpiece baffle is a part positioning reference. The precision positioning main part is connected with the workpiece baffle through a telescopic adjusting rod, and the locking nut is used for distance adjustment to form a set of stable and precise positioning reference. The method can more conveniently establish the batch processing parts with the unified positioning reference, improve the efficiency and enhance the quality stability of the batch part processing.
Description
Technical Field
The utility model belongs to the technical field of the lathe clamping structure, especially, relate to a quick clamping positioner is built-in to numerical control lathe.
Background
With the rapid development of the plastic mold manufacturing industry, the numerically controlled lathe has become a common processing device in the mold workshop, and the processing range of the numerically controlled lathe is all revolving parts. Due to the high development of the numerical control technology, the revolving body with a complex shape is simply realized through programming, and the machine tool can automatically replace the cutter, thereby greatly improving the production efficiency. Relatively speaking, the clamping and positioning processes before the workpiece is machined are not greatly improved, operators still rely on various measuring instruments to perform alignment positioning to determine clamping positions and clamping modes in many times, and due to the difference of sizes of different parts and the repeated adjustment of machining benchmarks, the auxiliary time for clamping and correcting time before machining is too long, so that the equipment is often in an idle state, and the production efficiency of the equipment cannot be fully exerted.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a do not need the original structure of lathe to change, through setting up the clamping positioner who places the lathe main shaft in, under the state that does not influence numerical control lathe normal operating and chuck clamping part, provide and can stabilize accurate numerical control lathe that realizes processing clamping and location alignment and embed quick clamping positioner.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
A built-in rapid clamping and positioning device of a numerical control lathe comprises a precise positioning piece 1, a telescopic adjusting rod 2, a locking nut 3, a workpiece baffle 4 and a chuck 5;
the precision positioning piece 1 is of a conical column structure and is arranged in a positioning hole in the front end of a lathe spindle, and the taper of the precision positioning piece 1 is consistent with the taper of an inner conical surface of the positioning hole; the front end of the precision positioning piece 1 is provided with a rear connecting screw hole 1a;
the chuck 5 is arranged on a chuck mounting position of the lathe, and a smooth adjusting hole 5a is formed in the center of a chuck body of the chuck 5;
the workpiece baffle 4 is arranged in the smooth adjusting hole 5a in a front-back sliding manner, the front end surface of the workpiece baffle 4 is a smooth positioning surface, and the center of the workpiece baffle 4 is provided with a front connecting screw hole 4a;
the two ends of the telescopic adjusting rod 2 are respectively provided with an external thread for being respectively screwed into the rear connecting screw hole 1a and the front connecting screw hole 4a;
two locking nuts 3 are arranged and sleeved on the telescopic adjusting rod 2 and used for locking the precise positioning piece 1 and the workpiece baffle 4.
In a further improvement or preferred embodiment of the built-in quick clamping and positioning device of the numerically controlled lathe, the rear connecting screw hole 1a and the front connecting screw hole 4a are coaxially arranged with a lathe spindle.
In a further improvement or preferred embodiment of the quick clamping and positioning device arranged in the numerical control lathe, a guide structure is arranged between the smooth adjusting hole 5a and the contact surface of the workpiece baffle 4, and the guide structure is used for preventing the workpiece baffle 4 from rotating in the smooth adjusting hole 5 a.
In a further improvement or preferred embodiment of the built-in quick clamping and positioning device of the numerical control lathe, the smooth adjusting holes 5a are circular holes, the workpiece baffle 4 is of a cylindrical structure with the size matched with that of the smooth adjusting holes 5a, and the workpiece baffle 4 can rotate in the smooth adjusting holes 5a to adjust the front and back positions of the workpiece baffle.
In a further improvement or preferred embodiment of the built-in quick clamping and positioning device of the numerical control lathe, a plurality of operation holes or operation grooves are formed in the front end face of the workpiece baffle 4.
In a further improvement or preferred embodiment of the built-in quick clamping and positioning device of the numerical control lathe, the front end face of the workpiece baffle 4 is subjected to hardening treatment, specifically carburized quenching, or nitrided quenching, or surface quenching.
The beneficial effects are that:
the built-in quick clamping positioning device of the numerical control lathe is used for positioning a main body by utilizing the original structure matching device of the lathe, and the workpiece baffle is a part positioning reference. The precision positioning main part is connected with the workpiece baffle through a telescopic adjusting rod, and the locking nut is used for distance adjustment to form a set of stable and precise positioning reference. The device is suitable for various traditional or numerical control lathes, the existing lathe structure does not need to be changed, the part can be clamped and positioned more quickly and accurately, the dependence of clamping precision on operating skill is reduced, the labor intensity is reduced, repeated correction is avoided, the auxiliary time is shortened, and the actual operation time of the machine tool is improved. The device can be used for more conveniently establishing the batch processing parts with the unified positioning reference, and improving the efficiency and the quality stability of batch part processing.
Drawings
FIG. 1 is a sectional view of a built-in rapid clamping positioning device of a numerically controlled lathe;
FIG. 2 is a schematic diagram of the internal structure of a built-in rapid clamping positioning device of the numerically controlled lathe;
wherein the reference numerals include:
the precise positioning part 1, a rear connecting screw hole 1a, a telescopic adjusting rod 2, a locking nut 3, a workpiece baffle 4, a front connecting screw hole 4a, a chuck 5, a smooth adjusting hole 5a, a lathe body 6, a main shaft 6a and a workpiece 7
Detailed Description
The present invention will be described in detail with reference to the following specific examples.
The utility model provides a numerical control lathe embeds quick clamping positioner, all kinds of traditions of mainly used or numerical control lathe, this device mainly as the appurtenance of numerical control lathe clamping location, utilize the current clamping of lathe and positioning mechanism to connect the use to avoid changing the structure and the basic service mode of current lathe, reduce use cost, improve its commonality simultaneously.
The main structure of the device comprises a precision positioning piece 1, a telescopic adjusting rod 2, a locking nut 3, a workpiece baffle 4 and a chuck 5;
in the traditional clamping scheme, the workpiece 7 needs to be positioned by directly utilizing a main shaft or the end face of a chuck body and the like, and the basic surface of the workpiece needs to be processed in advance by utilizing the main shaft or a complex clamping mechanism needing to be matched, so that the preparation time of clamping work is increased, the accuracy is easily reduced by utilizing the chuck and the like to carry out indirect positioning, repeated correction or preprocessing treatment is needed, and the whole processing time is increased.
In the application, the precision positioning piece 1 is of a conical column structure and is arranged in a positioning hole at the front end of a main shaft 6a of a lathe 6, and the taper of the precision positioning piece 1 is consistent with the taper of an inner conical surface of the positioning hole; the front end of the precise positioning piece 1 is provided with a rear connecting screw hole 1a;
the chuck 5 is arranged on a chuck mounting position of the lathe, and a smooth adjusting hole 5a is formed in the center of a body of the chuck 5;
the workpiece baffle 4 is arranged in the smooth adjusting hole 5a in a sliding manner back and forth, the front end surface of the workpiece baffle 4 is a smooth positioning surface, and the center of the workpiece baffle 4 is provided with a front connecting screw hole 4a;
the two ends of the telescopic adjusting rod 2 are respectively provided with external threads for respectively screwing into the rear connecting screw hole 1a and the front connecting screw hole 4a;
the two locking nuts 3 are sleeved on the telescopic adjusting rod 2 and lock the precision positioning piece 1 and the workpiece baffle 4.
The built-in quick clamping and positioning device of the numerical control lathe is a clamping and positioning device built in a main shaft of the lathe, a precision positioning main body is a core of the device, the main body is positioned by utilizing a matching device of a lathe original structure, and a workpiece baffle is a part positioning reference. The precision positioning main body is connected with the workpiece baffle through the telescopic adjusting rod, the locking nut is used for distance adjustment, meanwhile, the backward movement of parts caused by too large machining cutting tool consumption can be prevented, and the precision positioning main body is suitable for various common lathes and numerical control lathes.
In order to ensure the effectiveness of river diversion and regulation control, the rear connecting screw hole 1a and the front connecting screw hole 4a are coaxially arranged with the lathe spindle.
Under some conditions, in order to keep the position of the positioning reference surface and improve the stability of the workpiece in the turning process, a guide structure can be arranged between the smooth adjusting hole 5a and the contact surface of the workpiece baffle 4, and the guide structure is used for preventing the workpiece baffle 4 from rotating in the smooth adjusting hole 5a and enabling the workpiece baffle to only move back and forth.
Under some circumstances, in order to adjust the position of work piece baffle, the location reference surface is rectified fast, can make smooth regulation hole 5a set up to the circular port, and work piece baffle 4 is the cylinder structure that size and smooth regulation hole 5a match, and work piece baffle 4 can be in order to adjust its front and back position in smooth regulation hole 5a internal rotation.
For the last case. In order to improve the clamping efficiency and reduce the operation time, a plurality of operation holes or operation grooves can be arranged on the front end surface of the workpiece baffle 4.
Further, in order to ensure that the positioning reference surface is not worn and damaged by the workpiece in the machining process, in this embodiment, the front end surface of the workpiece baffle 4 is subjected to hardening treatment, specifically carburizing and quenching, or nitriding, or surface quenching.
Finally, it should be noted that, in the present embodiment, only the necessary structure for realizing the basic function in the present application is described, but the basic structure of the lathe and the known structure such as the fixed connection structure of the conventional member such as the chuck are not specifically described, but those skilled in the art can understand the known structure and the processing technology, etc., without affecting the implementation of the specific embodiment. Although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention.
Claims (6)
1. A rapid clamping and positioning device arranged in a numerical control lathe is characterized by comprising a precise positioning piece (1), a telescopic adjusting rod (2), a locking nut (3), a workpiece baffle (4) and a chuck (5);
the precision positioning piece (1) is of a conical column structure and is arranged in a positioning hole at the front end of a lathe spindle, and the taper of the precision positioning piece (1) is consistent with the taper of an inner conical surface of the positioning hole; the front end of the precise positioning piece (1) is provided with a rear connecting screw hole (1 a);
the chuck (5) is arranged on a chuck mounting position of the lathe, and a smooth adjusting hole (5 a) is formed in the center of a chuck body of the chuck (5);
the workpiece baffle (4) is arranged in the smooth adjusting hole (5 a) in a front-back sliding manner, the front end surface of the workpiece baffle (4) is a smooth positioning surface, and the center of the workpiece baffle (4) is provided with a front connecting screw hole (4 a);
the two ends of the telescopic adjusting rod (2) are respectively provided with external threads for being respectively screwed into the rear connecting screw hole (1 a) and the front connecting screw hole (4 a);
the two locking nuts (3) are sleeved on the telescopic adjusting rod (2) and lock the precise positioning piece (1) and the workpiece baffle (4).
2. The built-in rapid clamping and positioning device of the numerical control lathe according to claim 1, wherein the rear connecting screw hole (1 a) and the front connecting screw hole (4 a) are arranged coaxially with the lathe spindle.
3. The built-in rapid clamping and positioning device of the numerical control lathe according to claim 1, characterized in that a guide structure is arranged between the smooth adjusting hole (5 a) and the contact surface of the workpiece baffle (4), and the guide structure is used for preventing the workpiece baffle (4) from rotating in the smooth adjusting hole (5 a).
4. The built-in quick clamping and positioning device for the numerical control lathe according to claim 1, wherein the smooth adjusting holes (5 a) are circular holes, the workpiece baffle (4) is of a cylindrical structure with the size matched with that of the smooth adjusting holes (5 a), and the workpiece baffle (4) can rotate in the smooth adjusting holes (5 a) to adjust the front and back positions of the workpiece baffle.
5. The built-in rapid clamping and positioning device of the numerical control lathe according to claim 3, characterized in that a plurality of operation holes or operation grooves are arranged on the front end surface of the workpiece baffle (4).
6. The built-in rapid clamping and positioning device of the numerical control lathe according to claim 1, characterized in that the front end face of the workpiece baffle (4) is subjected to hardening treatment, specifically carburizing quenching, nitriding or surface quenching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222162085.6U CN217750548U (en) | 2022-08-15 | 2022-08-15 | Built-in quick clamping and positioning device of numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222162085.6U CN217750548U (en) | 2022-08-15 | 2022-08-15 | Built-in quick clamping and positioning device of numerical control lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217750548U true CN217750548U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222162085.6U Active CN217750548U (en) | 2022-08-15 | 2022-08-15 | Built-in quick clamping and positioning device of numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217750548U (en) |
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2022
- 2022-08-15 CN CN202222162085.6U patent/CN217750548U/en active Active
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