CN209754634U - automatic clamp for output shaft machining - Google Patents
automatic clamp for output shaft machining Download PDFInfo
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- CN209754634U CN209754634U CN201920408613.7U CN201920408613U CN209754634U CN 209754634 U CN209754634 U CN 209754634U CN 201920408613 U CN201920408613 U CN 201920408613U CN 209754634 U CN209754634 U CN 209754634U
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- output shaft
- clamp
- clamping
- hydraulic bench
- turntable
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Abstract
the utility model provides an automatic clamp for processing an output shaft, which comprises a bedplate, a turntable base plate, a lower hydraulic vice, an upper hydraulic vice, a base and a turntable, wherein the base of the turntable can rotate along with the turntable, the upper surface of the base is provided with the lower hydraulic vice and the upper hydraulic vice which have the same structure in parallel up and down, one side moving part of the lower hydraulic vice and the upper hydraulic vice is provided with an NPN normally open proximity switch, a fixed plate is respectively arranged above the two side moving parts of the lower hydraulic vice and the upper hydraulic vice through bolts, a plurality of clamping jaws are arranged near the closed side of the fixed plate, the clamping jaws are in close contact with the shaft neck of the output shaft when clamping, an air-jet scrap-blowing pipe and a limited block are fixedly arranged on the base, the turntable is arranged on the bedplate through the turntable base plate, the utility model can keep the clamping tightness moderate, and has higher production efficiency, the diameter of the excircle, the center hole, the end face and the lateral hole at the two ends of the output shaft can be clamped and machined at one time, and the machining precision is high; the application range is wide.
Description
Technical Field
the utility model belongs to the anchor clamps field, concretely relates to automatic anchor clamps of output shaft processing.
Background
the output shaft is a key transmission part, the length of the output shaft reaches more than 500 mm, the position precision requirement is high, two end faces, center holes at two ends and an excircle of the output shaft need to be processed, the existing processing mode adopts secondary clamping, the repeated positioning precision is not high, the deviation of the axis of the output shaft in the vertical direction is large, the processing precision is unstable, and the position precision requirement cannot be guaranteed.
Simultaneously, the clamping adopts the excircle positioning of a V-shaped block, the axial limiting is added, the clamping mode adopts pneumatic compression or screw locking, the pneumatic compression stability is not high, and the locking tightness of the screw is difficult to control.
Generally, adopt traditional clamping mode to lead to the machining efficiency of output shaft to hang down, the clamping is unstable, and the machining precision is not high.
SUMMERY OF THE UTILITY MODEL
not enough to the above-mentioned that prior art exists, the to-be-solved technical problem of the utility model is that current output shaft adds clamping apparatus and leads to output shaft machining efficiency to hang down excessively, and the clamping is unstable, and the machining precision is not high.
In order to solve the technical problem, the utility model provides an automatic fixture for processing an output shaft, which comprises a bedplate, a turntable base plate, a lower hydraulic vice, an upper hydraulic vice, a base and a turntable,
The rotary table is a four-axis rotary table and can rotate forwards and backwards along the horizontal direction, the base of the rotary table can rotate along with the rotary table, the upper surface of the base is provided with a lower hydraulic vice and an upper hydraulic vice which have the same structure in parallel up and down, the lower hydraulic vice and the upper hydraulic vice are respectively controlled by a control mechanism and are of a bidirectional clamping type, clamping centers are superposed, connecting lines are vertical, fixing plates are respectively arranged above moving parts at two sides of the lower hydraulic vice and the upper hydraulic vice through bolts,
The clamping device is characterized in that the fixing plate is provided with a plurality of clamping jaws close to the closed side, each clamping jaw comprises a connecting rod and a clamping portion, the connecting rods are arranged on the fixing plate through threads, the clamping portions are arc-shaped, the surfaces of the clamping portions are provided with sharp spines, the clamping jaws are arranged along the outer ring shape of the output shaft, and the clamping jaws are tightly contacted with the shaft neck of the output shaft when being clamped,
The base is fixedly provided with a plurality of air-jet chip-blowing pipes which are connected with an air supply pipeline of the machining center and point to the output shaft,
the base is provided with a limiting block which can be tightly attached to the step of the output shaft to limit axial movement,
The turntable is mounted on the bedplate through a turntable base plate, and the bedplate is locked on a processing table surface of the processing center.
Further, NPN normally open proximity switches are arranged on the moving parts on one sides of the lower hydraulic bench clamp and the upper hydraulic bench clamp, the NPN normally open proximity switches are connected with the control mechanism, and clamping tightness control can be carried out by detecting the in-place degree of the moving parts of the hydraulic bench clamps.
Further, the NPN normally-open proximity switch is FOTEK-PM12-04N
Further, the side surface of the output shaft is provided with a switching quantity counter, and the switching quantity counter can count the number of the processed output shafts.
Furthermore, the four-axis rotary table adopts a numerical control indexing disc, the minimum separation angle is 0.001 degree, and the rotating speed is 55-100 rpm.
furthermore, in order to improve the productivity, two sets of the lower hydraulic bench clamp and the upper hydraulic bench clamp are respectively arranged on the base in parallel, and the two sets of the lower hydraulic bench clamp and the upper hydraulic bench clamp can be independently controlled.
further, the highest using pressure of the lower hydraulic bench clamp and the upper hydraulic bench clamp is 3.5 Mpa.
The utility model has the advantages that:
1. The hydraulic bench clamp is adopted for clamping, the in-place detection can be carried out by matching with a proximity switch, and the tightness is kept moderate.
2. The double stations are adopted, so that the production efficiency is higher, and the energy consumption is lower;
3. By matching with the index plate turntable, the machining of the excircle diameter, the central hole, the end face and the lateral hole at the two ends of the output shaft can be completed by one-time clamping, and the machining precision is higher;
4. The utility model is suitable for an output shaft of different specification models, application scope is wide.
Drawings
Fig. 1 is a front view of the automatic fixture for processing the output shaft according to the present invention;
fig. 2 is a top view of the automatic fixture for processing the output shaft according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
Fig. 4 is an enlarged view of the lower hydraulic vise and the upper hydraulic vise part of the output shaft of another specification clamped by the automatic clamp for processing the output shaft of the present invention.
in the figure: the device comprises a bedplate 1, a turntable base plate 2, a lower hydraulic bench clamp 3, a fixing plate 4, an upper hydraulic bench clamp 5, a base 6, an air-jet scrap blowing pipe 7, a turntable 8, a normally open proximity switch 9NPN, a switch counter 10, a clamping jaw 11, an output shaft 12 and a limiting block 13.
Detailed Description
The following detailed description of the present invention will be made in conjunction with the accompanying drawings and specific embodiments.
As shown in fig. 1-4, an automatic fixture for processing an output shaft comprises a bedplate 1, a turntable base plate 2, a lower hydraulic vice 3, an upper hydraulic vice 5, a base 6 and a turntable 8, wherein the turntable 8 is a four-axis turntable 8 capable of rotating forward and backward along the horizontal direction, the base 6 of the turntable 8 can rotate along with the turntable 8, the upper surface of the base 6 is provided with the lower hydraulic vice 3 and the upper hydraulic vice 5 which have the same structure in parallel up and down, the lower hydraulic vice 3 and the upper hydraulic vice 5 are respectively controlled by a control mechanism and are of a bidirectional clamping type, clamping centers are overlapped and a connecting line is vertical, fixing plates 4 are respectively arranged above moving parts at two sides of the lower hydraulic vice 3 and the upper hydraulic vice 5 through bolts,
the fixing plate 4 is provided with a plurality of clamping jaws 11 close to the closed side, each clamping jaw 11 comprises a connecting rod and a clamping portion, the connecting rods are arranged on the fixing plate 4 through threads, the clamping portions are arc-shaped, the surfaces of the clamping portions are provided with sharp spines, the clamping jaws 11 are annularly arranged along the outer circle of the output shaft 12, the clamping jaws 11 are tightly contacted with the shaft neck of the output shaft 12 when being clamped,
The base 6 is fixedly provided with a plurality of air-jet scrap-blowing pipes 7, the air-jet scrap-blowing pipes 7 are connected with an air supply pipeline of the machining center, the air-jet scrap-blowing pipes 7 point to the output shaft 12,
The base 6 is provided with a limit block 13 which can be tightly attached to the step of the output shaft 12 to limit axial movement,
The turntable 8 is arranged on the bedplate 1 through a turntable base plate 2, and the bedplate 1 is locked on a processing table surface of a processing center.
in practical application, the NPN normally-open proximity switch 9 is arranged on the moving part on one side of the lower hydraulic vice 3 and the upper hydraulic vice 5, the NPN normally-open proximity switch 9 is connected with the control mechanism, and clamping tightness control can be performed by detecting the in-place degree of the moving part of the hydraulic vice.
in practical application, the NPN normally-open proximity switch 9 is FOTEK-PM12-04N
In practical applications, a switching value counter 10 is disposed on a side surface of the output shaft 12, and the switching value counter 10 counts the number of the processed output shafts 12.
In practical application, the four-axis turntable 8 adopts a numerical control indexing disc, the minimum separation angle is 0.001 degree, and the rotating speed is 55-100 rpm.
In practical application, the two sets of the lower hydraulic bench clamp 3 and the upper hydraulic bench clamp 5 are respectively arranged on the base 6 in parallel, and the two sets of the lower hydraulic bench clamp 3 and the upper hydraulic bench clamp 5 can be independently controlled.
In practical application, the highest using pressure of the lower hydraulic bench clamp 3 and the upper hydraulic bench clamp 5 is 3.5 Mpa.
In conclusion, the utility model can carry out in-place detection, keep the elasticity moderate, has higher production efficiency and lower energy consumption, can complete the processing of the excircle diameter, the center hole, the end surface and the lateral hole at the two ends of the output shaft by one-time clamping, and has higher processing precision; and has wide application range.
the foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (7)
1. The utility model provides an automatic anchor clamps of output shaft processing which characterized in that: comprises a bedplate (1), a turntable base plate (2), lower hydraulic bench clamp (3), upper hydraulic bench clamp (5), a base (6) and a turntable (8),
The rotary table (8) is a four-axis rotary table (8) and can rotate forwards and backwards along the horizontal direction, a base (6) of the rotary table (8) can rotate along with the rotary table (8), lower hydraulic bench clamps (3) and upper hydraulic bench clamps (5) which are identical in structure are installed on the upper surface of the base (6) in parallel from top to bottom, the lower hydraulic bench clamps (3) and the upper hydraulic bench clamps (5) are controlled by a control mechanism respectively and are of a bidirectional clamping type, clamping centers are overlapped and a connecting line is vertical, fixing plates (4) are installed above moving parts on two sides of the lower hydraulic bench clamps (3) and the upper hydraulic bench clamps (5) respectively through bolts,
The clamping device is characterized in that a plurality of clamping jaws (11) are installed on the fixing plate (4) close to the closed side, each clamping jaw (11) comprises a connecting rod and a clamping portion, the connecting rods are installed on the fixing plate (4) through threads, the clamping portions are arc-shaped, sharp spines are arranged on the surfaces of the clamping portions, the clamping jaws (11) are annularly arranged along the outer circle of the output shaft (12), and the clamping jaws (11) are tightly contacted with the shaft necks of the output shaft (12) when being clamped,
The base (6) is fixedly provided with a plurality of air-jet chip-blowing pipes (7), the air-jet chip-blowing pipes (7) are connected with an air supply pipeline of the machining center, the air-jet chip-blowing pipes (7) point to the output shaft (12),
The base (6) is provided with a limit block (13) which can be tightly attached to the step of the output shaft (12) to limit axial movement,
The turntable (8) is arranged on the bedplate (1) through a turntable base plate (2), and the bedplate (1) is locked on a processing table surface of a processing center.
2. the automated clamp for processing the output shaft according to claim 1, wherein: the NPN normally-open proximity switch (9) is arranged on the moving part on one side of the lower hydraulic bench clamp (3) and the upper hydraulic bench clamp (5), the NPN normally-open proximity switch (9) is connected with the control mechanism, and clamping tightness control can be carried out by detecting the in-place degree of the moving part of the hydraulic bench clamp.
3. The automated clamp for processing the output shaft according to claim 2, wherein: the NPN normally-open proximity switch (9) is FOTEK-PM12-04N in model.
4. The automated clamp for processing the output shaft according to claim 1 or 3, wherein: and a switching quantity counter (10) is arranged on the side surface of the output shaft (12), and the switching quantity counter (10) can count the number of the processed output shafts (12).
5. the automated clamp for processing the output shaft according to claim 4, wherein: the four-axis turntable (8) adopts a numerical control dividing disc, the minimum separation angle is 0.001 degree, and the rotating speed is 55-100 rpm.
6. The automated clamp for processing the output shaft according to claim 5, wherein: the lower hydraulic bench clamp (3) and the upper hydraulic bench clamp (5) are respectively provided with two hydraulic bench clamps, the two hydraulic bench clamps are horizontally arranged on the base (6) in parallel, and the lower hydraulic bench clamp (3) and the upper hydraulic bench clamp (5) can be independently controlled.
7. The automated clamp for processing the output shaft according to any one of claims 2, 5 and 6, wherein: the highest service pressure of the lower hydraulic bench clamp (3) and the upper hydraulic bench clamp (5) is 3.5 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408613.7U CN209754634U (en) | 2019-03-28 | 2019-03-28 | automatic clamp for output shaft machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408613.7U CN209754634U (en) | 2019-03-28 | 2019-03-28 | automatic clamp for output shaft machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209754634U true CN209754634U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920408613.7U Active CN209754634U (en) | 2019-03-28 | 2019-03-28 | automatic clamp for output shaft machining |
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| Country | Link |
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| CN (1) | CN209754634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001181A (en) * | 2021-02-27 | 2021-06-22 | 山东凯帝斯工业系统有限公司 | Device and method for centering, punching and pin pressing of torsion bar of input shaft of automobile steering gear |
-
2019
- 2019-03-28 CN CN201920408613.7U patent/CN209754634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001181A (en) * | 2021-02-27 | 2021-06-22 | 山东凯帝斯工业系统有限公司 | Device and method for centering, punching and pin pressing of torsion bar of input shaft of automobile steering gear |
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