CN222404586U - Automatic clamping and returning device of electric spindle for processing magnetic material holes - Google Patents
Automatic clamping and returning device of electric spindle for processing magnetic material holes Download PDFInfo
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- CN222404586U CN222404586U CN202420334070.XU CN202420334070U CN222404586U CN 222404586 U CN222404586 U CN 222404586U CN 202420334070 U CN202420334070 U CN 202420334070U CN 222404586 U CN222404586 U CN 222404586U
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- 239000000696 magnetic material Substances 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000003754 machining Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 39
- 235000014676 Phragmites communis Nutrition 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
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Abstract
本实用新型涉及磁性材料加工技术领域，尤其涉及一种磁性材料孔加工电主轴的自动夹退料装置。包括空心主轴(1)、穿设在主轴(1)内且与主轴(1)轴向滑动配合的拉管(2)、设置在主轴(1)一端且与拉管(2)一端连接用于夹紧或者松开工件(4)的弹性夹头(3)、位于主轴(1)另一端外部用于推动拉管(2)在主轴(1)内轴向移动的第一动力机构以及位于主轴(1)另一端上用于复位拉管(2)位置的复位机构，其特征在于：所述拉管(2)内设置有用于将工件(4)从弹性夹头(3)内顶出的顶出件，且所述拉管(2)另一端还设置有用于给顶出件提供动力的第二动力机构。采用这种装置在工件加工完成后可以方便的退料。
The utility model relates to the technical field of magnetic material processing, and in particular to an automatic clamping and unloading device for an electric spindle for processing holes in magnetic materials. The device comprises a hollow spindle (1), a draw tube (2) inserted into the spindle (1) and axially slidingly matched with the spindle (1), an elastic chuck (3) arranged at one end of the spindle (1) and connected to one end of the draw tube (2) for clamping or releasing a workpiece (4), a first power mechanism located outside the other end of the spindle (1) for pushing the draw tube (2) to move axially in the spindle (1), and a reset mechanism located at the other end of the spindle (1) for resetting the position of the draw tube (2), characterized in that: an ejector for ejecting the workpiece (4) from the elastic chuck (3) is arranged in the draw tube (2), and a second power mechanism for providing power to the ejector is also arranged at the other end of the draw tube (2). The device can be used to conveniently unload the material after the workpiece processing is completed.
Description
Technical Field
The utility model relates to the technical field of magnetic material processing, in particular to an automatic clamping and returning device of an electric spindle for magnetic material hole processing.
Background
The domestic magnetic material processing industry has developed from the 90 s of the last century to the present, the development speed is faster and faster, and various devices special for the material processing are also continuously improved and innovated.
When the magnetic material workpiece is processed, a clamping device is needed to clamp the magnetic material workpiece and then drive the magnetic material workpiece to rotate, for example, the inventor applies for Chinese patent publication No. CN 219945935U in 2023, 6 and 7, and the Chinese patent publication can clamp the magnetic material workpiece to be processed through an elastic chuck and then drive the magnetic material workpiece to rotate for processing, but the structure can not be used for returning materials conveniently after the workpiece is processed.
Disclosure of utility model
The technical scheme to be solved by the utility model is to provide an automatic clamping and returning device of an electric spindle for processing magnetic material holes, and the device can be used for conveniently returning materials after workpiece processing is completed.
The technical scheme includes that the automatic clamping and returning device of the electric spindle for machining the magnetic material holes comprises a hollow spindle, a pulling pipe penetrating through the spindle and axially matched with the spindle in a sliding mode, an elastic chuck arranged at one end of the spindle and connected with one end of the pulling pipe for clamping or loosening a workpiece, a first power mechanism arranged outside the other end of the spindle and used for pushing the pulling pipe to move in the spindle axially, and a resetting mechanism arranged at the other end of the spindle and used for resetting the pulling pipe, wherein an ejection piece used for ejecting the workpiece from the elastic chuck is arranged in the pulling pipe, and a second power mechanism used for providing power for the ejection piece is arranged at the other end of the pulling pipe.
Preferably, the ejection piece comprises a material returning ejector rod arranged in the elastic chuck, a guide rod with one end connected to one end of the material returning ejector rod, a guide sleeve arranged in the pull tube and sleeved outside the guide rod, a pull tube ejector rod with one end connected to the other end of the guide rod, a reset spring sleeved on the pull tube ejector rod and a spring positioning sleeve fixed on the pull tube ejector rod, one end of the reset spring is propped against the spring positioning sleeve, and the other end of the reset spring is propped against the guide sleeve.
Preferably, the material returning ejector rod is in threaded connection with the guide rod.
Preferably, the guide rod is a non-rotating body, a through hole for the guide rod to pass through is formed in the middle of the guide sleeve, and the cross section of the through hole is matched with the cross section of the guide rod in shape.
Preferably, the second power mechanism is a material returning cylinder, and the piston of the material returning cylinder can push the pull tube ejector rod when acting.
Preferably, the reset mechanism comprises a disc spring seat, a disc spring leaf, a lock nut and a limit retainer ring, wherein the lock nut is sleeved on the other end of the pull tube, the disc spring seat is sleeved on the other end of the main shaft, the limit retainer ring is arranged on the disc spring seat and forms a containing groove with the disc spring seat, the disc spring leaf is arranged in the containing groove, one end of the part of the disc spring leaf, which extends out of the containing groove, abuts against the other end of the main shaft, the other end of the elastic part, which extends out of the containing groove, abuts against the lock nut, and a protruding part for abutting against the lock nut is arranged on the limit retainer ring.
Preferably, the first power mechanism is a feeding cylinder, and the locking nut can be pushed when the piston of the feeding cylinder acts.
Preferably, an opening is formed in the middle of the piston of the feeding cylinder, and the piston of the discharging cylinder is arranged in the opening.
Preferably, it also comprises a liftout cylinder for pushing the workpiece into the collet.
Compared with the prior art, the ejector has the advantages that the ejector and the second power mechanism are arranged, so that the ejector can be driven to eject a processed workpiece through the work of the second power mechanism, and the material returning is convenient.
By adopting the ejection piece with the structure, the forefront material returning ejector rod can be pushed to eject the processed workpiece only by pushing the tube pulling ejector rod by the second power mechanism, and then the material returning ejector rod can automatically return under the action of the return spring, so that material returning is more convenient and quick.
The material returning ejector rod is in threaded connection with the guide rod, so that different material returning ejector rods can be replaced when different workpieces are processed, and the adaptability is high.
The guide rod is made into a non-rotating body, and the guide rod is limited in the circumferential direction through the guide sleeve, so that the guide rod cannot rotate along with the rotating material returning ejector rod, and the material returning ejector rod can be detached from the guide rod conveniently and rapidly.
The material returning cylinder is used as a second power mechanism, so that the tube pulling ejector rod can be conveniently pushed, and the function of pushing out the workpiece is realized.
By adopting the structure as the reset mechanism, the structure is simpler, the reset effect is better, and the reset force is provided for the lock nut only by the disc reed, so that the reset of the pull tube can be well realized, and the reset position of the pull tube can be well limited by the limit check ring.
The feeding cylinder is used as the first power mechanism, so that the elastic chuck can be conveniently controlled to clamp or loosen.
The piston of the material returning cylinder is arranged in the opening on the piston of the material feeding cylinder, so that the whole occupied volume is small, and the pistons can not interfere with each other during operation.
The ejection cylinder is arranged, so that a workpiece can be ejected into the elastic chuck through the ejection cylinder during feeding, the use is convenient, and the working efficiency is high.
Drawings
Fig. 1 is a schematic structural diagram of an electric spindle for processing holes in magnetic materials.
Fig. 2 is a cross-sectional view of fig. 1 with the ejector cylinder and workpiece removed.
Fig. 3 is an enlarged schematic view at a in fig. 2.
Wherein, 1, a main shaft; 2, a pulling pipe, 3, an elastic chuck, 4, a workpiece, 5, a material returning ejector rod, 6, a guide rod, 7, a pulling pipe ejector rod, 8, a return spring, 9, a spring positioning sleeve, 10, a guide sleeve, 11, a material returning cylinder, 12, a disc spring seat, 13, a disc reed, 14, a lock nut, 15, a limiting retainer ring, 16, a containing groove, 17, a protruding part, 18, a material feeding cylinder, 19 and a material ejecting cylinder.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Embodiment one:
The utility model provides an automatic clamp material returning device of magnetic material hole processing electricity main shaft, includes electricity main shaft, drawing tube 2, collet chuck 3, first power unit, canceling release mechanical system, second power unit and ejection piece, wherein:
The electric spindle, mainly comprising hollow spindle 1, rotor, stator and housing, is not described here, since this is a prior art product;
The pulling pipe 2 is arranged in the main shaft 1 in a penetrating way and is in axial sliding fit with the main shaft 1, namely, the pulling pipe 2 can move forwards and backwards in the axial direction of the main shaft 1, the front end of the pulling pipe is connected with the elastic chuck 3, and the rear end of the pulling pipe extends out of the main shaft 1;
The elastic chuck 3 is arranged at one end of the main shaft 1, a long groove is formed in the head part with an outer conical surface along the axial direction to form a clamping jaw capable of contracting centripetally, an inner hole which is suitable for the shape of a clamped workpiece 4 is formed in the middle of the clamping jaw, and the elastic chuck 3 is connected with one end of the pull tube 2, so that the pull tube 2 can drive the elastic chuck 3 to move along the axial direction, the inner hole is reduced or increased by deformation of the clamping jaw, and the clamping and loosening of the workpiece 4 are realized, which is the elastic chuck 3 for a machine tool which is more conventional in the prior art, and therefore, the elastic chuck is not expanded in detail;
Reset mechanism, including dish spring seat 12, dish reed 13, lock nut 14 and spacing retaining ring 15, wherein:
the disc spring seat 12 is fixed on the other end of the main shaft 1 and can move along with the main shaft 1;
The limiting retainer ring 15 is fixed on the inner side of the disc spring seat 12, a containing groove 16 is formed between the limiting retainer ring and the reset seat, the containing groove 16 is annular, and a protruding part 17 is formed on the limiting retainer ring 15 in an extending way towards the main shaft 1, namely the protruding part 17 and the limiting retainer ring 15 are integrally formed;
the locking nut 14 is fixed at the other end of the pull tube 2 and matched with the bulge 17 to play a role of a limiting block, and the most limiting position when the pull tube 2 moves outwards is the position where the locking nut 14 abuts against the bulge 17;
a disc reed 13, a part of the upper half part is accommodated in the accommodating groove 16, the lower half part extends out of the accommodating groove 16, one side of the lower half part is propped against the end face of the other side of the main shaft 1, and the other side of the lower half part is propped against one side of the locking nut 14, so that the disc reed 13 can provide a reset force for the pull tube 2;
The first power mechanism is a feeding cylinder 18, and can push the lock nut 14 to push the pull tube 2 to advance when working, so that the elastic chuck 3 is loosened;
The ejector comprises a material returning ejector rod 5, a guide rod 6, a guide sleeve 10, a pull tube ejector rod 7, a return spring 8 and a spring positioning sleeve 9, wherein the material returning ejector rod 5 is slidably connected in an inner hole of the elastic chuck 3 and can slide in the inner hole, the front end of the material returning ejector rod 5 is used for propping against a workpiece 4, the rear end of the material returning ejector rod 5 is in threaded connection with the front end of the guide rod 6, the front end of the pull tube ejector rod 7 is in threaded connection with the rear end of the guide rod 6, the guide sleeve 10 is in threaded connection with the interior of the pull tube 2 and is sleeved on the guide rod 6 to play a guide function, the spring positioning sleeve 9 is fixed in the middle of the pull tube ejector rod 7 through a locking piece, the return spring 8 is sleeved on the pull tube ejector rod 7, one end of the return spring 8 is propped against the spring positioning sleeve 9, and the other end of the return spring 8 is propped against the guide sleeve 10;
The second power mechanism is a material returning cylinder 11, and can push the ejector rod of the pull tube 2 during working so as to push the material returning ejector rod 5 to advance, thereby pushing the workpiece 4 out of the elastic chuck 3;
The working principle of the embodiment is that firstly, the feeding cylinder 18 works to push the pull tube 2 to move forward to open the elastic chuck 3, the workpiece 4 is placed in the pull tube 2, then the pull tube 2 is reset under the action of the disc reed 13, the workpiece 4 is clamped by the elastic chuck 3, then the main shaft 1 drives the workpiece 4 to rotate to process the workpiece 4, after the processing is finished, the feeding cylinder 18 continues to work to open the elastic chuck 3, then the material returning cylinder 11 works to push the pull tube ejector rod 7 and the material returning ejector rod 5 to move forward to eject the workpiece 4 from the elastic chuck 3, and after the workpiece 4 is ejected, the pull tube ejector rod 7 and the material returning ejector rod 5 can be reset under the action of the reset spring 8.
Embodiment two:
the difference from the first embodiment is that in the second embodiment, the cross section of the guide rod 6 is hexagonal, that is, the guide rod 6 is a non-rotating body, and the cross section of the through hole in the guide sleeve 10 through which the guide rod 6 passes is also hexagonal, so that when the material returning ejector rod 5 needs to be replaced, the material returning ejector rod 5 can be rotated, and at the moment, the guide rod 6 can be limited by the guide sleeve 10 in the circumferential direction, that is, the guide rod 6 cannot be rotated, so that the material returning ejector rod 5 can be conveniently detached and replaced.
Embodiment III:
The difference from the first embodiment is that the third embodiment is further provided with a material ejection cylinder 19, so that the workpiece 4 can be fed into the elastic chuck 3 through the material ejection cylinder 19, and the overall working efficiency is improved.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Various alterations and modifications will no doubt become apparent to those skilled in the art after having read the above description. Therefore, the appended claims should be construed to cover all such variations and modifications as fall within the true spirit and scope of the utility model. Any and all equivalents and alternatives falling within the scope of the claims are intended to be embraced therein.
Claims (9)
1. The automatic clamping and returning device for the electric spindle for machining the magnetic material holes comprises a hollow spindle (1), a pull tube (2) penetrating through the spindle (1) and axially sliding matched with the spindle (1), an elastic chuck (3) arranged at one end of the spindle (1) and connected with one end of the pull tube (2) and used for clamping or loosening a workpiece (4), a first power mechanism positioned outside the other end of the spindle (1) and used for pushing the pull tube (2) to axially move in the spindle (1), and a resetting mechanism positioned at the other end of the spindle (1) and used for resetting the position of the pull tube (2), and is characterized in that an ejection piece used for ejecting the workpiece (4) from the elastic chuck (3) is arranged in the pull tube (2), and a second power mechanism used for providing power for the ejection piece is also arranged at the other end of the pull tube (2).
2. The automatic clamping and returning device of the electric spindle for machining the magnetic material holes is characterized in that the ejection piece comprises a returning ejector rod (5) arranged in the elastic chuck (3), a guide rod (6) with one end connected to one end of the returning ejector rod (5), a guide sleeve (10) arranged in the pull tube (2) and sleeved outside the guide rod (6), a pull tube ejector rod (7) with one end connected to the other end of the guide rod (6), a return spring (8) sleeved on the pull tube ejector rod (7) and a spring positioning sleeve (9) fixed on the pull tube ejector rod (7), one end of the return spring (8) is propped against the spring positioning sleeve (9), and the other end of the return spring (8) is propped against the guide sleeve (10).
3. The automatic clamping and returning device of the electric spindle for processing the magnetic material holes, as set forth in claim 2, is characterized in that the returning ejector rod (5) is in threaded connection with the guide rod (6).
4. The automatic clamping and returning device for the electric spindle for processing the magnetic material holes, as set forth in claim 3, is characterized in that the guide rod (6) is a non-rotating body, a through hole for the guide rod (6) to pass through is arranged in the middle of the guide sleeve (10), and the cross section of the through hole is matched with the cross section of the guide rod (6).
5. The automatic clamping and returning device for the electric spindle for machining the magnetic material holes, as claimed in claim 2, is characterized in that the second power mechanism is a returning cylinder (11), and the pulling pipe ejector rod (7) can be pushed when the piston of the returning cylinder (11) acts.
6. The automatic clamping and returning device for the electric spindle for machining the magnetic material holes is characterized in that the returning mechanism comprises a disc spring seat (12), a disc spring plate (13), a lock nut (14) and a limiting retainer ring (15), the lock nut (14) is sleeved on the other end of the pull tube (2), the disc spring seat (12) is sleeved on the other end of the spindle (1), the limiting retainer ring (15) is arranged on the disc spring seat (12) and forms a containing groove (16) with the disc spring seat (12), the disc spring plate (13) is arranged in the containing groove (16) and one part of the disc spring plate (13) extends out of the containing groove (16), one end of the part of the disc spring plate (13) extends out of the containing groove (16) is propped against the other end of the spindle (1), the elastic piece extends out of the containing groove (16) and is propped against the lock nut (14), and a protruding portion (17) for propping against the lock nut (14) is arranged on the limiting retainer ring (15).
7. The automatic clamping and returning device for the electric spindle for machining the magnetic material holes, as set forth in claim 6, characterized in that the first power mechanism is a feeding cylinder (18), and the locking nut (14) can be pushed when the piston of the feeding cylinder (18) acts.
8. The automatic clamping and returning device for the electric spindle for machining the magnetic material holes, as set forth in claim 7, is characterized in that an opening is formed in the middle of a piston of the feeding cylinder (18), and the piston of the returning cylinder (11) is arranged in the opening.
9. An automatic clamping and returning device for an electric spindle for machining magnetic material holes according to claim 8 is characterized by further comprising a jacking cylinder (19) for pushing the workpiece (4) into the collet chuck (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420334070.XU CN222404586U (en) | 2024-02-22 | 2024-02-22 | Automatic clamping and returning device of electric spindle for processing magnetic material holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420334070.XU CN222404586U (en) | 2024-02-22 | 2024-02-22 | Automatic clamping and returning device of electric spindle for processing magnetic material holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222404586U true CN222404586U (en) | 2025-01-28 |
Family
ID=94343282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420334070.XU Active CN222404586U (en) | 2024-02-22 | 2024-02-22 | Automatic clamping and returning device of electric spindle for processing magnetic material holes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222404586U (en) |
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- 2024-02-22 CN CN202420334070.XU patent/CN222404586U/en active Active
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