CN212168964U - Main spindle box with middle clamping ends for machining and adjustable clamping length - Google Patents
Main spindle box with middle clamping ends for machining and adjustable clamping length Download PDFInfo
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- CN212168964U CN212168964U CN202020961749.3U CN202020961749U CN212168964U CN 212168964 U CN212168964 U CN 212168964U CN 202020961749 U CN202020961749 U CN 202020961749U CN 212168964 U CN212168964 U CN 212168964U
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Abstract
The utility model discloses a centre gripping both ends processing and centre gripping adjustable length's headstock, it belongs to lathe device technical field. The spindle box overcomes the defects that the traditional spindle box in the prior art is complex in assembly, poor in precision and difficult to machine two ends of a workpiece simultaneously. The main structure of the main shaft box comprises a main shaft box body, wherein a driving mechanism, a swing mechanism and a transverse moving mechanism are arranged on the main shaft box body, the driving mechanism is in transmission connection with the swing mechanism through a belt, the transverse moving mechanism comprises a fixed connecting plate A, a locking plate A and an auxiliary-main shaft clamping mechanism, the auxiliary-main shaft clamping mechanism is installed on the fixed connecting plate A, the fixed connecting plate A is installed on a guide rail of the main shaft box body, and the locking plate A is installed between the fixed connecting plate A and the main shaft box body. The utility model is mainly used for the lathe.
Description
The technical field is as follows:
the utility model belongs to the technical field of lathe device, specifically speaking especially relates to a centre gripping both ends processing and centre gripping adjustable length's headstock.
Background art:
the lathe has wide application, is a machine tool capable of turning, drilling and tapping, and adopts a turning tool to make feed motion in the transverse direction and the longitudinal direction so as to turn a rotating workpiece. The headstock is an integral part of the lathe and is usually mounted on one end of the lathe bed. The main shaft is provided with a clamping mechanism, a workpiece is clamped through the clamping mechanism, and then the driving mechanism drives the main shaft to rotate so as to drive the workpiece to rotate. The turning tool can perform feeding movement from one end of the workpiece to process the end face, the excircle, the inner hole and the like of the part. However, when the other end face of the workpiece is machined, secondary clamping is often required, and the two end faces of the workpiece cannot be machined simultaneously; especially for long bar parts, the machining precision is not easy to guarantee. In the existing double-head lathe, a main shaft clamping mechanism is generally directly and independently fixed at a certain position in the middle of a lathe bed or a base, a driving unit is difficult to arrange, a single main shaft clamping mechanism is generally used, and the difficulty in assembling the whole machine is high; for longer rod parts, the machining precision is still difficult to ensure, and a necessary tailstock needs to be equipped.
The invention content is as follows:
the to-be-solved technical problem of the utility model is overcome prior art not enough, provide a middle centre gripping both ends processing and centre gripping adjustable length headstock, it can be in the middle of the centre gripping work piece, carries out cutting process simultaneously to the work piece both ends, and to different work pieces, can adjust the length of work piece centre gripping wantonly through vice-main shaft clamping mechanism, has improved the assembly precision.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the spindle box comprises a spindle box body, wherein a driving mechanism, a swing mechanism and a transverse moving mechanism are arranged on the spindle box body, the driving mechanism is in transmission connection with the swing mechanism through a belt, the transverse moving mechanism comprises a fixed connecting plate A, a locking plate A and an auxiliary-spindle clamping mechanism, the auxiliary-spindle clamping mechanism is installed on the fixed connecting plate A, the fixed connecting plate A is installed on a guide rail of the spindle box body, and the locking plate A is installed between the fixed connecting plate A and the spindle box body.
Preferably, the driving mechanism comprises a main motor, the main motor is fixedly arranged on a motor connecting plate, and the motor connecting plate is fixedly arranged on the spindle box body; the main motor is provided with a motor belt wheel, and the motor belt wheel is in transmission connection with the swing mechanism through a belt.
Preferably, the swing mechanism includes a fixed connection plate B, a locking plate B, and a main-spindle clamping mechanism, the main-spindle clamping mechanism is mounted on the fixed connection plate B, the fixed connection plate B is mounted on a guide rail of the spindle housing, and the locking plate B is mounted between the fixed connection plate B and the spindle housing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the transverse moving mechanism is arranged, so that the position of the auxiliary-main shaft clamping mechanism can be adjusted in the linear direction, the clamping length of workpieces with different lengths can be adjusted, and good precision is kept;
2. the belt and the main-main shaft clamping mechanism are integrally installed, and the belt wheel in the main-main shaft clamping mechanism is connected with the belt, so that the length of the belt can be effectively shortened, the phenomena of belt fluttering, heating and the like can be avoided, the rigidity of the whole main shaft box can be improved, and meanwhile, the parallelism between the belt wheel in the main-main shaft clamping mechanism and the main motor belt wheel can be well ensured in the assembling process; the tension of the belt is more convenient to adjust, and the assembly precision of the whole machine tool is greatly improved;
therefore, the utility model discloses in the middle of can the centre gripping work piece, carry out cutting process simultaneously to the work piece both ends, and to different work pieces, through vice-main shaft clamping mechanism to the length arbitrary regulation of work piece centre gripping, it can be as a functional unit quick installation fix at the lathe base, has improved the utility model discloses an applicability.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the operation of the present invention;
FIG. 3 is a schematic structural view of the lateral shifting mechanism of the present invention;
fig. 4 is a schematic structural diagram of the driving mechanism of the present invention;
fig. 5 is a schematic structural diagram of the swing mechanism of the present invention.
In the figure: 1. a main motor; 2. a motor connecting plate; 3. a main shaft box body; 4. fixing a connecting plate A; 5. a main-spindle clamping mechanism; 6. a locking plate A; 7. a sub-spindle clamping mechanism; 8. a workpiece; 9. a motor pulley; 10. a belt; 11. an oil spill pipe; 12. an oil inlet pipe; 13. an oil outlet pipe; 15. fixing the connecting plate B; 16. and a locking plate B.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Example 1:
as shown in fig. 1-3, a main spindle box with adjustable clamping length and two middle clamping ends comprises a main spindle box body 3, wherein a driving mechanism, a swing mechanism and a transverse moving mechanism are arranged on the main spindle box body 3, the driving mechanism and the swing mechanism are in transmission connection through a belt 10, the transverse moving mechanism comprises a fixed connection plate a4, a locking plate a6 and an auxiliary-spindle clamping mechanism 7, the auxiliary-spindle clamping mechanism 7 is installed on the fixed connection plate a4, the fixed connection plate a4 is installed on a guide rail of the main spindle box body 3, and the locking plate a6 is installed between the fixed connection plate a4 and the main spindle box body 3. After the position is adjusted, the fixed link plate a4 is locked by the locking plate a6, and when the locking plate a6 releases the fixed link plate a4, the fixed link plate a4 can be moved laterally along the guide rail of the spindle case 3, even if the sub-spindle clamping mechanism 7 is moved laterally along the guide rail of the spindle case 3, thereby arbitrarily adjusting and locking the clamping length of the workpiece 8. The auxiliary-main shaft clamping mechanism 7 completes the clamping and loosening actions of the workpiece 8 through an oil overflow pipe 11, an oil inlet pipe 12 and an oil outlet pipe 13. When the auxiliary-main shaft clamping mechanism 7 clamps the workpiece 8, the contact surfaces with the workpiece 8 are three tiny arc surfaces, so that the workpiece 8 can be prevented from being distorted when clamped by the main-main shaft clamping mechanism 5.
Example 2:
as shown in fig. 4, the spindle box has an intermediate clamping two ends, and the clamping length is adjustable, the driving mechanism includes a main motor 1, the main motor 1 is mounted and fixed on a motor connecting plate 2, and the motor connecting plate 2 is mounted and fixed on a spindle box body 3 through screws; the main motor 1 is provided with a motor belt wheel 9, and the motor belt wheel 9 is in transmission connection with the swing mechanism through a belt 10.
The main motor 1 drives the main-main shaft clamping mechanism 5 to rotate, the main motor 1 is fixed on the side surface of the main shaft box body 3 through the motor connecting plate 2, and the belt 10 can be tensioned through the dead weight of the main motor 1.
As shown in fig. 5, the swing mechanism includes a fixed connection plate B15, a locking plate B16, and a main-spindle clamping mechanism 5, the main-spindle clamping mechanism 5 is mounted on a fixed connection plate B15, a fixed connection plate B15 is mounted on a guide rail of the main spindle housing 3, and a locking plate B16 is mounted between the fixed connection plate B15 and the main spindle housing 3; the main-main shaft clamping mechanism 5 is in transmission connection with a motor belt wheel 9 through a belt 10. The power output of the main motor 1 can drive the main-main shaft clamping mechanism 5 to clamp the workpiece 8 to rotate, and the workpiece 8 rotates to drive the auxiliary-main shaft clamping mechanism 7 to rotate in a follow-up manner.
The main-spindle clamping mechanism 5 performs clamping and unclamping actions of the workpiece 1 through the oil inlet pipe 12, the oil outlet pipe 13 and the oil spill pipe 11. The other portions are the same as in example 1.
The double-spindle clamping mechanism is arranged, the main-spindle clamping mechanism 5 is driven by the main motor 1 to rotate, the auxiliary-spindle clamping mechanism 7 is driven by the workpiece 8 to rotate in a follow-up mode, the two spindle clamping mechanisms are different in clamping mode of the workpiece 8, the clamping contact surface of the main-spindle clamping mechanism 5 and the workpiece 8 is the whole circular surface of the collet chuck, the clamping contact surface of the auxiliary-spindle clamping mechanism 7 and the workpiece 8 is three small circular arc surfaces, and distortion caused by the fact that the two spindle clamping mechanisms are not coaxial can be effectively reduced.
The utility model discloses the installation is fixed at the lathe base intermediate position, still is equipped with two cutter grooves on the headstock body 3, can place the cutter, realizes carrying out simultaneous processing to the both ends of work piece 8.
When the oil inlet pipe 12 is communicated with oil supply, the main shaft collet chuck part moves towards the center to clamp the workpiece 8, and when the oil outlet pipe 13 is communicated with oil supply, the main shaft collet chuck moves away from the center to loosen the workpiece 8; when the main-spindle clamping mechanism clamps the workpiece 8, a belt wheel on the main-spindle clamping mechanism is connected with the main motor 1 through a belt 10 and a motor belt wheel 9, so that the workpiece 8 is rotated.
Claims (3)
1. The utility model provides a processing of middle centre gripping both ends and centre gripping adjustable length headstock, includes main shaft box (3), its characterized in that: the automatic spindle box is characterized in that a driving mechanism, a rotating mechanism and a transverse moving mechanism are arranged on the spindle box body (3), the driving mechanism is in transmission connection with the rotating mechanism through a belt (10), the transverse moving mechanism comprises a fixed connecting plate A (4), a locking plate A (6) and an auxiliary-spindle clamping mechanism (7), the auxiliary-spindle clamping mechanism (7) is installed on the fixed connecting plate A (4), the fixed connecting plate A (4) is installed on a guide rail of the spindle box body (3), and the locking plate A (6) is installed between the fixed connecting plate A (4) and the spindle box body (3).
2. The spindle box capable of clamping two ends and adjusting the clamping length as claimed in claim 1, wherein: the driving mechanism comprises a main motor (1), the main motor (1) is fixedly arranged on a motor connecting plate (2), and the motor connecting plate (2) is fixedly arranged on a spindle box body (3); the motor is characterized in that a motor belt wheel (9) is arranged on the main motor (1), and the motor belt wheel (9) is in transmission connection with the swing mechanism through a belt (10).
3. The spindle box capable of clamping two ends for machining and adjusting the clamping length as claimed in claim 2, wherein: the slewing mechanism comprises a fixed connecting plate B (15), a locking plate B (16) and a main-main shaft clamping mechanism (5), wherein the main-main shaft clamping mechanism (5) is installed on the fixed connecting plate B (15), the fixed connecting plate B (15) is installed on a guide rail of the main shaft box body (3), and the locking plate B (16) is installed between the fixed connecting plate B (15) and the main shaft box body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961749.3U CN212168964U (en) | 2020-05-29 | 2020-05-29 | Main spindle box with middle clamping ends for machining and adjustable clamping length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020961749.3U CN212168964U (en) | 2020-05-29 | 2020-05-29 | Main spindle box with middle clamping ends for machining and adjustable clamping length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212168964U true CN212168964U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020961749.3U Active CN212168964U (en) | 2020-05-29 | 2020-05-29 | Main spindle box with middle clamping ends for machining and adjustable clamping length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212168964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559107A (en) * | 2022-03-15 | 2022-05-31 | 中国十七冶集团有限公司 | Steel pipe wire groove manufacturing device and using method |
-
2020
- 2020-05-29 CN CN202020961749.3U patent/CN212168964U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559107A (en) * | 2022-03-15 | 2022-05-31 | 中国十七冶集团有限公司 | Steel pipe wire groove manufacturing device and using method |
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