CN214393353U - Non-shaft part turning positioning fixture - Google Patents
Non-shaft part turning positioning fixture Download PDFInfo
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- CN214393353U CN214393353U CN202023144394.8U CN202023144394U CN214393353U CN 214393353 U CN214393353 U CN 214393353U CN 202023144394 U CN202023144394 U CN 202023144394U CN 214393353 U CN214393353 U CN 214393353U
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- pressing plate
- positioning pin
- part turning
- clamp body
- positioning fixture
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Abstract
The utility model discloses a non-shaft part turning positioning fixture, which comprises a fixture body, an auxiliary support, a first pressing plate and a second pressing plate, wherein the fixture body is arranged on a lathe spindle, two hydraulic cylinders are arranged on the fixture body, the first pressing plate and the second pressing plate are respectively connected with pull rods of the two hydraulic cylinders through small shaft pins, and the first pressing plate and the second pressing plate are respectively connected with brackets of the two hydraulic cylinders through large shaft pins and connecting plates; an auxiliary support is arranged right below the second pressing plate, a positioning pin seat is arranged below the first pressing plate, and a diamond positioning pin and a circular positioning pin are arranged on the positioning pin seat. The utility model discloses non-axle type part turning positioning fixture simple structure, degree of automation is higher, can realize quick clamping, accurate location, can improve production efficiency again and reduce manufacturing cost, can also reduce operator's working strength, enlarge the productivity of product simultaneously.
Description
Technical Field
The utility model relates to a lathe work field especially relates to a non-axle type part turning positioning fixture.
Background
Turning is a common metal working method. In modern industry, this technique has been widely used in machining shafts, disks, sleeves and other workpieces having surfaces of revolution. Turning is the most basic and common cutting method and plays an important role in production. Turning is suitable for machining a rotary surface, most of workpieces with the rotary surface can be machined by a turning method, and the turning is the most widely used machining mode in a mechanical manufacturing and repairing factory. The numerical control lathe is an advanced product of continuous development of lathes, can be clamped at one time, can finish all turning procedures by continuous processing, has high processing production efficiency, wide processing range and higher processing precision, and therefore, the turning has more and more important function in mechanical processing.
At present, a plurality of mechanical manufacturers manufacture a plurality of types of non-shaft parts, the machining difficulty of the rotary part of the parts is high, and a hydraulic chuck of a numerical control lathe cannot meet the clamping and fixing requirements of the parts. How to accurately position and firmly clamp the non-shaft parts in the turning process and improve the machining efficiency as much as possible becomes a problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a non-axle type part turning positioning fixture solves above-mentioned technical problem. The utility model adopts the following technical scheme:
the utility model relates to a non-shaft part turning positioning fixture, including the anchor clamps body, auxiliary stay, first clamp plate and second clamp plate, the anchor clamps body sets up on the lathe main shaft, and two pneumatic cylinders set up on the anchor clamps body, first clamp plate and second clamp plate all connect the pull rod of two pneumatic cylinders respectively through the little pivot, first clamp plate and second clamp plate all connect with the support of two pneumatic cylinders respectively through big pivot and connecting plate; an auxiliary support is arranged right below the second pressing plate, a positioning pin seat is arranged below the first pressing plate, and a diamond positioning pin and a circular positioning pin are arranged on the positioning pin seat.
Furthermore, a sequence valve for controlling the action sequence of the two hydraulic cylinders is arranged on the clamp body.
Further, the hydraulic cylinder specifically adopts a lever hydraulic cylinder with a cylinder diameter of 50 mm.
Further, the sequence valve is fixed on the clamp body through screws.
Further, the clamp body is provided with a balancing weight, and the balancing weight is fixed on the clamp body through a screw.
Further, the round positioning pin and the diamond positioning pin are in interference fit with the positioning pin seat.
Further, the locating pin seat is fixed on the clamp body through a screw.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses non-axle type part turning positioning fixture, through pneumatic cylinder drive first clamp plate and second clamp plate clamp tightly the work piece to be equipped with the auxiliary stay, the clamp force is big, adds the processing more stably; the turning positioning clamp for the non-shaft parts is provided with the round positioning pin and the diamond positioning pin, so that the workpieces are accurately positioned and are not easy to deform; the utility model discloses non-axle type part turning positioning fixture controls the tight order of clamp of first clamp plate and second clamp plate through setting up the sequence valve, and degree of automation is high. Generally speaking, the utility model discloses non-axle type part turning positioning fixture simple structure, degree of automation is higher, can realize quick clamping, accurate location, can improve production efficiency again and reduce manufacturing cost, can also reduce operator's working strength, enlarge the productivity of product simultaneously.
Drawings
The invention will be further explained with reference to the following description of the drawings:
FIG. 1 is a rear view of the turning positioning fixture for non-shaft parts of the present invention;
FIG. 2 is a right side view of the turning positioning fixture for non-shaft parts of the present invention;
FIG. 3 is a bottom view of the non-shaft turning positioning fixture of the present invention (not including a weight block);
fig. 4 is the front view of the turning positioning fixture for non-shaft parts (without a balancing weight).
Description of reference numerals: 1. a clamp body; 2. a balancing weight; 3. a lathe spindle; 4. a first platen; 5. a sequence valve; 6. auxiliary supporting; 7. a second platen; 8. a large axle pin; 9. a small shaft pin; 10. a connecting plate; 11. A hydraulic cylinder; 12. positioning a pin boss; 13. a diamond-shaped positioning pin; 14. a circular positioning pin; 15. and (5) a workpiece.
Detailed Description
As shown in fig. 1 to 4, the non-shaft part turning positioning fixture comprises a fixture body 1, an auxiliary support 6, a first pressing plate 4 and a second pressing plate 7, wherein the fixture body 1 is arranged on a lathe spindle 3, two hydraulic cylinders 11 are arranged on the fixture body 1, the first pressing plate 4 and the second pressing plate 7 are respectively connected with pull rods of the two hydraulic cylinders 11 through small shaft pins 9, the first pressing plate 4 and the second pressing plate 7 are respectively connected with supports of the two hydraulic cylinders 11 through large shaft pins 8 and a connecting plate 10, and the upper end and the lower end of the connecting plate 10 are hinged.
And an auxiliary support 6 is arranged right below the second pressing plate 7 and is locked after being adjusted to a required position. And a positioning pin seat 12 is arranged below the first pressure plate 4, and the positioning pin seat 12 is fixed on the clamp body 1 through a screw. The positioning pin base 12 is provided with a diamond positioning pin 13 and a round positioning pin 14. The round positioning pin 14 and the diamond positioning pin 13 are in interference fit with the positioning pin base 12.
The clamp body 1 is provided with a sequence valve 5 for controlling the action sequence of the two hydraulic cylinders 11. Two sequence valves 5 are respectively arranged adjacent to the two hydraulic cylinders 11.
When the workpiece 15 is pressed, the sequence valve 5 controls the first pressing plate 4 to descend firstly to press the workpiece 15, and then the second pressing plate 7 descends to press the workpiece 15; the workpiece 15 is released through the sequence valve 5. The second pressing plate 7 is controlled to lift to release the workpiece 15, and then the first pressing plate 4 is controlled to lift to release the workpiece 15.
The hydraulic cylinder 11 is a lever hydraulic cylinder with a cylinder diameter of 50 mm.
The sequence valve 5 is fixed on the clamp body 1 through screws.
The clamp body 1 is provided with a balancing weight 2, and the balancing weight 2 is fixed on the clamp body 1 through a screw. The counterweight block 2 is arranged above the first pressing plate 4 and the second pressing plate 7, and grooves which are avoided by the first pressing plate 4 and the second pressing plate 7 are formed in the counterweight block 2, so that the workpiece can be loaded and unloaded conveniently.
The action process of the utility model is as follows:
firstly, an operator respectively installs two holes of a workpiece 15 on a round positioning pin 14 and a diamond positioning pin 13, adjusts the auxiliary support 6, and locks the workpiece after adjusting to a required position; then, an operator starts a hydraulic switch to press the workpiece 15, controls the first pressing plate 4 to descend first to press the workpiece 15 through the sequence valve 5, and controls the second pressing plate 7 to descend again to press the workpiece 15; then, an operator starts a lathe power switch, a lathe spindle 3 drives the non-shaft part turning positioning fixture to rotate, a turning tool feeds and cuts according to a program, the turning tool returns to the original point after cutting is finished, and the spindle stops rotating; finally, the operator turns off the hydraulic switch, the second pressing plate 7 ascends to release the workpiece 15, then the first pressing plate 4 ascends to release the workpiece 15, and the operator removes the workpiece 15, so that the turning process is completed.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. The utility model provides a non-axle type part turning positioning fixture which characterized in that: the clamp comprises a clamp body (1), an auxiliary support (6), a first pressing plate (4) and a second pressing plate (7), wherein the clamp body (1) is arranged on a lathe spindle (3), two hydraulic cylinders (11) are arranged on the clamp body (1), the first pressing plate (4) and the second pressing plate (7) are respectively connected with pull rods of the two hydraulic cylinders (11) through small shaft pins (9), and the first pressing plate (4) and the second pressing plate (7) are respectively connected with supports of the two hydraulic cylinders (11) through large shaft pins (8) and connecting plates (10); an auxiliary support (6) is arranged under the second pressing plate (7), a positioning pin seat (12) is arranged under the first pressing plate (4), and a diamond positioning pin (13) and a circular positioning pin (14) are arranged on the positioning pin seat (12).
2. The non-shaft part turning positioning fixture as recited in claim 1, wherein: the clamp body (1) is provided with a sequence valve (5) for controlling the action sequence of the two hydraulic cylinders (11).
3. The non-shaft part turning positioning fixture as recited in claim 1, wherein: the hydraulic cylinder (11) is a lever hydraulic cylinder with a cylinder diameter of 50 mm.
4. The non-shaft part turning positioning fixture as recited in claim 2, wherein: the sequence valve (5) is fixed on the clamp body (1) through screws.
5. The non-shaft part turning positioning fixture as recited in claim 1, wherein: the clamp is characterized in that a balancing weight (2) is arranged on the clamp body (1), and the balancing weight (2) is fixed on the clamp body (1) through a screw.
6. The non-shaft part turning positioning fixture as recited in claim 1, wherein: the round positioning pin (14) and the diamond positioning pin (13) are in interference fit with the positioning pin seat (12).
7. The non-shaft part turning positioning fixture as recited in claim 1, wherein: the positioning pin seat (12) is fixed on the clamp body (1) through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023144394.8U CN214393353U (en) | 2020-12-23 | 2020-12-23 | Non-shaft part turning positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023144394.8U CN214393353U (en) | 2020-12-23 | 2020-12-23 | Non-shaft part turning positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214393353U true CN214393353U (en) | 2021-10-15 |
Family
ID=78040323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023144394.8U Active CN214393353U (en) | 2020-12-23 | 2020-12-23 | Non-shaft part turning positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214393353U (en) |
-
2020
- 2020-12-23 CN CN202023144394.8U patent/CN214393353U/en active Active
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