CN115476007A - Pneumatic rotating head - Google Patents
Pneumatic rotating head Download PDFInfo
- Publication number
- CN115476007A CN115476007A CN202211143264.3A CN202211143264A CN115476007A CN 115476007 A CN115476007 A CN 115476007A CN 202211143264 A CN202211143264 A CN 202211143264A CN 115476007 A CN115476007 A CN 115476007A
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- Prior art keywords
- chuck body
- clamping
- steel ball
- hollow shaft
- clamping sleeve
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 71
- 239000010959 steel Substances 0.000 claims abstract description 71
- 239000012530 fluid Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000010892 electric spark Methods 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- 230000001360 synchronised effect Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
- B23H1/04—Electrodes specially adapted therefor or their manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a pneumatic rotating head, which relates to the field of electric discharge machines and comprises a chuck body, wherein a clamping assembly used for clamping or loosening the chuck body is arranged on the outer side of the chuck body, a power assembly used for controlling the clamping assembly to clamp or loosen the chuck body is arranged on one side of the clamping assembly, the clamping assembly comprises a steel ball arranged on the outer side of the chuck body, and a clamping sleeve used for controlling the steel ball to clamp or loosen the chuck body is arranged on the outer side of the steel ball. The clamping sleeve has the advantages that the clamping sleeve is driven by the air cylinder to move up and down to control the degree of the steel ball extruding the clamping head body, so that the clamping head body is clamped or loosened, the electrode can be automatically replaced, manual intervention for replacing the electrode is avoided, the phenomenon that the electrode needs to be replaced and the machine needs to be stopped is avoided, the utilization rate of an electric spark machine is improved, the working efficiency is improved, and the labor cost is also saved. Wholly adopt the modularization in this application, be convenient for maintain and the upgrading improvement in later stage.
Description
Technical Field
The invention relates to the field of electric spark machines, in particular to a pneumatic rotating head.
Background
The electric spark perforation processing technology is an effective technical means for realizing the efficient processing of tiny holes on conductive materials such as metal alloys and the like as a special processing technology.
In the prior art, no matter the single electrode is directly replaced, or the wire storage tube pre-installed with the electrode is replaced to supplement a new electrode, the full-automatic replacement of the electrodes with different diameters and multiple electrodes is difficult to meet, and generally, a manual intervention is needed to perform a more complicated operation process. The utilization rate of the whole machine is reduced, and the machine is shut down due to manual operation when the electrodes are replaced, so that the equipment of the whole machine cannot meet the full-automatic requirement.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide the pneumatic rotating head which can automatically replace the electrodes and improve the working efficiency.
In order to achieve the above purposes, the invention adopts the technical scheme that: the utility model provides an air-actuated rotating head includes the chuck body, the chuck body is used for centre gripping electrode tube, the outside of chuck body is provided with the clamping component who is used for pressing from both sides tightly or unclamps the chuck body, clamping component is used for pressing from both sides tightly or unclamps the chuck body, one side of clamping component is provided with the power component who is used for controlling clamping component to press from both sides tightly or unclamp the chuck body, power component is used for controlling clamping component to press from both sides tightly or unclamp the chuck body, is convenient for change chuck body even in change electrode tube. The clamping assembly comprises a steel ball arranged on the outer side of the chuck body, and a clamping sleeve used for controlling the steel ball to clamp or loosen the chuck body is arranged on the outer side of the steel ball; the electrode tube clamping device comprises a clamping sleeve, a power assembly, a clamping head body, a steel ball, a clamping head body, a clamping sleeve and a clamping head body, wherein the steel ball is arranged in the clamping sleeve, the clamping sleeve is arranged in the clamping sleeve, the power assembly is used for driving the clamping sleeve to move up and down, when the power assembly drives the clamping sleeve to move up, the clamping head body is not in contact with the steel ball, the clamping head body can be taken down, when the power assembly drives the clamping sleeve to move down, the clamping sleeve extrudes the steel ball on the clamping head body, and therefore the clamping head body is fixed.
The degree that the steel ball extrudees the chuck body is controlled through reciprocating of power component drive clamp sleeve in this application to the realization presss from both sides tightly or unclamps the chuck body, can realize changing the electrode automatically in this application, has avoided artifical intervention to change the electrode, has also avoided changing the phenomenon appearance that the electrode needs the shut down, has improved the rate of utilization of electric discharge machine, has improved work efficiency, has also saved the cost of labor.
The working principle is as follows:
when the electrode tube needs to be replaced, the power assembly drives the clamping sleeve to move upwards, the force of the steel ball extruding the chuck body is reduced, the chuck body is taken down by an external mechanical arm and is installed with a new chuck body in place, then the power assembly drives the clamping sleeve to move downwards to extrude the steel ball, and the steel ball extrudes the chuck body, so that the chuck body cannot fall off.
Further, the method comprises the following steps: the outer surface of the chuck body is provided with an annular groove, the steel ball partially falls into the annular groove, the outer side of the chuck body is provided with a steel sleeve, the steel sleeve is provided with a through hole, the through hole corresponds to the position of the steel ball and is positioned in the through hole, the inner surface of the clamping sleeve is provided with a first step and a second step, the first step and the second step are connected through a connecting surface, the steel ball is convenient to switch between the first step and the second step, the diameter of the second step is larger than that of the first step, the clamping sleeve has two states, namely an upper state and a lower state, when the steel ball is positioned at the first step, the steel ball enters the annular groove and extrudes the chuck body, and the chuck body is in a clamping state; when the steel ball is positioned on the second step, the steel ball is separated from the annular groove, the steel ball is not in contact with the annular groove, and the chuck body can fall off.
Further, the method comprises the following steps: the power assembly comprises a cylinder seat and a cylinder fixed on the cylinder seat, a push rod is fixedly connected to a driving shaft of the cylinder, a connecting rod is rotatably connected to the push rod, one end, far away from the push rod, of the connecting rod is rotatably connected to the cylinder seat, a U-shaped fork used for enabling the clamping sleeve to move up and down is fixedly connected to the connecting rod, the U-shaped fork is used for driving the clamping sleeve to move up and down, and a reset spring used for enabling the clamping sleeve to reset is arranged on the clamping sleeve.
When electrode tube needs to be changed, the drive shaft of cylinder stretches out, drives the push rod and presses the one end that the connecting rod is close to the cylinder, and the connecting rod is close to the one end perk that the clamping sleeve made progress, drives clamping sleeve rebound, the power of steel ball extrusion clamping head body reduces, and external mechanical hand takes off the clamping head body, targets in place the installation of new clamping head body, then the one end rebound that cylinder drive connecting rod is close to the cylinder, the one end downshifting that the connecting rod is close to the clamping sleeve, reset spring drive clamping sleeve downshifts, extrudes the steel ball, steel ball extrusion clamping head body for the clamping head body can not drop.
Further, the method comprises the following steps: the chuck body is connected with a hollow shaft through a connecting piece, a rotating assembly used for driving the hollow shaft to rotate is arranged on the outer side of the hollow shaft, the rotating assembly comprises a first synchronizing wheel arranged on the outer surface of the hollow shaft, a synchronous belt is connected to the outer surface of the first synchronizing wheel, a second synchronizing wheel is arranged on the inner surface of the synchronous belt, and the center of the second synchronizing wheel is connected with a driving shaft of a servo motor. The servo motor rotates to drive the second synchronous wheel to rotate, the second synchronous wheel rotates to drive the synchronous belt to transmit so as to drive the first synchronous wheel to rotate, the first synchronous wheel rotates to drive the hollow shaft to rotate, and then the chuck body rotates to drive the electrode tube to rotate, so that electric spark perforation is performed. And the central position of the hollow shaft is used for high-pressure working fluid to flow, so that the electrode tube is lubricated and cooled.
Further, the method comprises the following steps: the hollow shaft is connected with a joint for connecting working fluid through mechanical seal. The mechanical seal is a shaft seal device of a rotating machine. Since the drive shaft extends through the inside and outside of the apparatus, there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks out, and if the pressure in the apparatus is lower than atmospheric pressure, air leaks into the apparatus, so that a shaft seal device must be provided to prevent leakage. The joint is used for introducing external working fluid into the hollow shaft.
Further, the method comprises the following steps: the outer surface of the hollow shaft is provided with a steel ring, one end of the reset spring is in contact with the steel ring, the other end of the reset spring is in contact with the clamping sleeve, and the steel ring is used for supporting the hollow shaft.
Further, the method comprises the following steps: a first magnetic switch for detecting whether the air cylinder reaches an upper position and a second magnetic switch for detecting whether the air cylinder reaches a lower position are arranged on one side of the air cylinder, the first magnetic switch and the second magnetic switch are used for sensing a magnet in the air cylinder, and the first magnetic switch is used for detecting whether the air cylinder reaches the upper position, namely detecting whether a driving shaft of the air cylinder retracts in place; the second magnetic switch is used for detecting whether the air cylinder reaches the lower position or not, namely detecting whether the driving shaft of the air cylinder extends out of position or not.
Further, the method comprises the following steps: and one side of the chuck body is provided with a carbon brush for supplying power to the electrode tube, and the carbon brush is used for supplying power to the electrode tube so that the electrode tube emits electric sparks to discharge the workpiece.
Further, the method comprises the following steps: the outer surface of the hollow shaft is provided with a bearing, a bearing seat is fixedly connected to the outer surface of the bearing, the servo motor and the cylinder seat are fixedly connected to the bearing seat, and the bearing is used for supporting and fixing the hollow shaft, so that the hollow shaft can rotate under the condition that the upper, lower, left and right positions of the hollow shaft are fixed.
The clamping sleeve has the advantages that the clamping sleeve is driven by the air cylinder to move up and down to control the degree of the steel ball extruding the clamping head body, so that the clamping head body is clamped or loosened, the electrode can be automatically replaced, manual intervention for replacing the electrode is avoided, the phenomenon that the electrode needs to be replaced and the machine needs to be stopped is avoided, the utilization rate of an electric spark machine is improved, the working efficiency is improved, and the labor cost is also saved. Wholly adopt the modularization in this application, be convenient for maintain and the upgrading improvement in later stage.
Drawings
FIG. 1 is a schematic overall structure diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the power assembly and the clamping assembly in accordance with a preferred embodiment of the present invention;
FIG. 3 is a schematic structural view of a clamping assembly according to a preferred embodiment of the present invention;
FIG. 4 is a rear view of the power assembly;
FIG. 5 is a front view of the power assembly;
FIG. 6 is a schematic structural view of a rotating assembly;
FIG. 7 is a schematic view of the central shaft;
in the figure: 1. a chuck body; 2. a steel ball; 3. a clamping sleeve; 5. an annular groove; 6. steel jacket; 7. a first step; 8. a second step; 41. a cylinder block; 42. a cylinder; 43. a push rod; 44. a connecting rod; 45. a U-shaped fork; 46. a return spring; 9. a hollow shaft; 10. a first synchronizing wheel; 11. a synchronous belt; 12. a servo motor; 13. mechanical sealing; 14. a joint; 15. a steel ring; 16. a first magnetic switch; 17. a second magnetic switch; 18. a carbon brush; 19. a bearing; 20. a bearing seat; 100. a clamping assembly; 400. a power assembly; 500. and a rotating assembly.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Referring to fig. 1, 2 and 3, an embodiment of the present application provides a pneumatic rotary head, which includes a chuck body 1, where the chuck body 1 is used to clamp an electrode tube, a clamping assembly 100 for clamping or releasing the chuck body is disposed outside the chuck body 1, a power assembly 400 for controlling the clamping assembly 100 to clamp or release the chuck body is disposed on one side of the clamping assembly 100, the clamping assembly 100 includes a steel ball 2 disposed outside the chuck body 1, and a clamping sleeve 3 for controlling the steel ball 2 to clamp or release the chuck body 1 is disposed outside the steel ball 2; the different degree that presss from both sides tight electrode tube in the position of steel ball 2 in clamping sleeve 3 is different, power component 400 is used for controlling clamping component 100 and presss from both sides tightly or unclamp the chuck body, power component 400 is used for driving clamping sleeve 3 and reciprocates, and when power component 400 drive clamping sleeve 3 upwards moved to the upper position, chuck body 1 and steel ball 2 contactless, chuck body 1 can take off, when power component 400 drive clamping sleeve 3 downwards moved to the lower position, clamping sleeve 3 crowded steel ball 2 on chuck body 1 to fix chuck body 1.
The degree that comes control steel ball 2 extrusion chuck body 1 is reciprocated through power component 400 drive clamp sleeve 3 in this application to the realization presss from both sides tightly or loosens chuck body 1, can realize changing the electrode tube automatically in this application, has avoided artifical intervention to change the electrode tube, has also avoided changing the phenomenon appearance that the electrode tube needs the shut down, has improved the rate of utilization of electric discharge machine, has improved work efficiency, has also saved the cost of labor.
The working principle is as follows:
when the electrode tube needs to be replaced, the power assembly 400 drives the clamping sleeve 3 to move upwards, the force of the steel ball 2 for extruding the chuck body 1 is reduced, the chuck body 1 is taken down by an external manipulator, a new chuck body 1 is installed in place, the power assembly 400 drives the clamping sleeve 3 to move downwards to extrude the steel ball 2, and the steel ball 2 extrudes the chuck body 1 so that the chuck body 1 cannot fall off.
On the basis, an annular groove 5 is formed in the outer surface of the chuck body 1, the steel ball 2 partially falls into the annular groove 5, a steel sleeve 6 is arranged on the outer side of the chuck body 1, a through hole is formed in the steel sleeve 6, the through hole corresponds to the position of the steel ball 2, the steel ball 2 is located in the through hole, a first step 7 and a second step 8 are arranged on the inner surface of the clamping sleeve 3, the first step 7 and the second step 8 are connected through a connecting surface, the steel ball 2 can be conveniently switched between the first step 7 and the second step 8, the diameter of the second step 8 is larger than that of the first step 7, the clamping sleeve 3 has two states, namely an upper state and a lower state, when the steel ball 2 is located at the first step 7, the steel ball 2 enters the annular groove 5 and extrudes the chuck body 1, and the chuck body 1 is in the clamping state; when the steel ball 2 is positioned on the second step 8, the steel ball 2 is separated from the annular groove 5, the steel ball 2 is not in contact with the annular groove 5, and the chuck body 1 can fall off.
On the basis, as shown in fig. 4 and 5, the power assembly 400 includes a cylinder block 41 and a cylinder 42 fixed on the cylinder block 41, a push rod 43 is fixedly connected to a driving shaft of the cylinder 42, a connecting rod 44 is rotatably connected to the push rod 43, one end of the connecting rod 44, which is far away from the push rod 43, is rotatably connected to the cylinder block 41, a U-shaped fork 45 for moving the clamping sleeve 3 up and down is fixedly connected to the connecting rod 44, the U-shaped fork 45 is used for driving the clamping sleeve 3 to move up and down, and a return spring 46 for returning the clamping sleeve 3 is arranged on the clamping sleeve 3.
When electrode tube needs to be changed, the drive shaft of cylinder 42 stretches out, drives push rod 43 and presses the one end that connecting rod 44 is close to the cylinder, and connecting rod 44 is close to the one end perk that presss from both sides tight jacket 3, drives tight jacket 3 rebound, the force of steel ball 2 extrusion die holder body 1 reduces, and external mechanical hand takes off die holder body 1, puts in place new die holder body 1 installation, then cylinder 42 drive connecting rod 44 is close to the one end rebound of cylinder 42, connecting rod 44 is close to the one end rebound of pressing from both sides tight jacket 3, reset spring 46 drive die holder body 3 rebound, extrudees steel ball 2, steel ball 2 extrusion die holder body 1 for die holder body 1 can not drop.
On the basis, as shown in fig. 6, the chuck body 1 is connected with the hollow shaft 9 through the connecting piece, the outside of hollow shaft 9 is provided with the rotating assembly 500 that is used for driving the hollow shaft 9 to rotate, rotating assembly 500 is including setting up the first synchronizing wheel 10 at the hollow shaft 9 surface, the surface of first synchronizing wheel 10 is connected with hold-in range 11, the internal surface of hold-in range is provided with the second synchronizing wheel, the center of second synchronizing wheel is connected with servo motor 12's actuating shaft, servo motor 12 rotates and drives the second synchronizing wheel and rotate, thereby the second synchronizing wheel rotates and drives hold-in range 11 transmission and drive first synchronizing wheel 10 and rotate, first synchronizing wheel 10 rotates and drives hollow shaft 9 and rotate, and then drives chuck body 1 and rotate, thereby chuck body 1 rotates and drives the electrode tube and rotates and carry out the spark-piercing. The central position of the hollow shaft 9 is used for high-pressure working fluid to flow, and the electrode tube is lubricated and cooled.
On the basis of the above, the hollow shaft 9 is connected with a joint 14 for receiving the working fluid through a mechanical seal 13. The mechanical seal 13 is a shaft seal device of a rotary machine. Since the drive shaft extends through the apparatus, so that there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks outwards, and if the pressure in the apparatus is below atmospheric pressure, air leaks into the apparatus, a leak-proof shaft seal arrangement is necessary. The connection 14 serves to introduce external operating fluid into the hollow shaft 9.
On the basis, as shown in fig. 7, the outer surface of the hollow shaft 9 is provided with a steel ring 15, one end of the return spring 46 is in contact with the steel ring 15, the other end of the return spring 46 is in contact with the clamping sleeve 3, and the steel ring 15 is used for supporting the hollow shaft 9.
On the basis, a first magnetic switch 16 for detecting whether the air cylinder 42 reaches the upper position and a second magnetic switch 17 for detecting whether the air cylinder 42 reaches the lower position are arranged on one side of the air cylinder 42, the first magnetic switch 16 and the second magnetic switch 17 are used for sensing a magnet in the air cylinder 42, and the first magnetic switch 16 is used for detecting whether the air cylinder 42 reaches the upper position, namely, detecting whether a driving shaft of the air cylinder 42 retracts to the right position; the second magnetic switch 17 is used for detecting whether the pneumatic cylinder 42 reaches the lower position, that is, whether the driving shaft of the pneumatic cylinder 42 is extended to the position.
On the basis, one side of the chuck body 1 is provided with a carbon brush 18 for supplying power to the electrode tube, and the carbon brush 18 is used for supplying power to the electrode tube, so that the electrode tube emits electric sparks to discharge to the workpiece.
On the basis, the outer surface of the hollow shaft 9 is provided with a bearing, the outer surface of the bearing is fixedly connected with a bearing seat 19, the servo motor and the cylinder seat 41 are fixedly connected to the bearing seat 19, and the bearing is used for supporting and fixing the hollow shaft 9, so that the hollow shaft 9 can rotate under the condition that the upper, lower, left and right positions are fixed.
The above embodiments are provided only for illustrating the technical idea and features of the present invention, and the purpose of the present invention is to provide those skilled in the art with understanding and implementing the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (9)
1. Pneumatic rotating head, including chuck body (1), its characterized in that: the outside of chuck body (1) is provided with and is used for pressing from both sides tight clamping unit (100) of tight chuck body (1) or unclamping, one side of clamping unit (100) is provided with and is used for controlling clamping unit (100) to press from both sides tight power component (400) of tight chuck body (1) or unclamping, clamping unit (100) is including setting up steel ball (2) in the chuck body (1) outside, the outside of steel ball (2) is provided with and is used for controlling steel ball (2) to press from both sides tight or unclamping clamp sleeve (3) of chuck body (1).
2. The pneumatic rotary head of claim 1, wherein: the surface of chuck body (1) is provided with ring channel (5), steel ball (2) part falls into in ring channel (5), the outside of chuck body (1) is provided with steel bushing (6), be provided with the through-hole on steel bushing (6), the through-hole corresponds just with the position of steel ball (2) are located in the through-hole, the internal surface of clamping sleeve (3) is provided with first step (7) and second step (8), first step (7) and second step (8) are connected through connecting the face, just the diameter of second step (8) is greater than the diameter of first step (7).
3. The pneumatic rotary head of claim 2, wherein: the power assembly (400) comprises a cylinder seat (41) and a cylinder (42) fixed on the cylinder seat (41), a push rod (43) is fixedly connected to a driving shaft of the cylinder (42), a connecting rod (44) is connected to the push rod (43) in a rotating mode, one end, far away from the push rod (43), of the connecting rod (44) is connected to the cylinder seat (41) in a rotating mode, a U-shaped fork (45) used for enabling the clamping sleeve (3) to move up and down is fixedly connected to the connecting rod (44), and a return spring (46) used for enabling the clamping sleeve (3) to return is arranged on the clamping sleeve (3).
4. The pneumatic rotary head of claim 2, wherein: the fixture body (1) is connected with hollow shaft (9) through the connecting piece, the outside of hollow shaft (9) is provided with and is used for driving the rotatory rotating assembly (500) of hollow shaft (9), rotating assembly (500) is including setting up first synchronizing wheel (10) at hollow shaft (9) surface, the surface of first synchronizing wheel (10) is connected with hold-in range (11), the surface of hold-in range (11) is provided with the second synchronizing wheel, the center of second synchronizing wheel is connected with the actuating shaft of servo motor (12).
5. The pneumatic rotary head of claim 4, wherein: the hollow shaft (9) is connected with a joint (14) for connecting working fluid through a mechanical seal (13).
6. The pneumatic rotary head of claim 4, wherein: the outer surface of the hollow shaft (9) is provided with a steel ring (15), one end of the return spring (46) is in contact with the steel ring (15), and the other end of the return spring (46) is in contact with the clamping sleeve (3).
7. The pneumatically driven rotary head of claim 3, wherein: one side of the air cylinder (42) is provided with a first magnetic switch (16) for detecting whether the air cylinder (42) reaches the upper position and a second magnetic switch (17) for detecting whether the air cylinder (42) reaches the lower position.
8. The pneumatically rotary head of claim 1, wherein: and one side of the chuck body (1) is provided with a carbon brush (18) for supplying power to the electrode tube.
9. The pneumatic rotary head of claim 4, wherein: the outer surface of the hollow shaft (9) is provided with a bearing, the outer surface of the bearing is fixedly connected with a bearing seat (19), and the servo motor and the cylinder seat (41) are fixedly connected to the bearing seat (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211143264.3A CN115476007A (en) | 2022-09-20 | 2022-09-20 | Pneumatic rotating head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211143264.3A CN115476007A (en) | 2022-09-20 | 2022-09-20 | Pneumatic rotating head |
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| Publication Number | Publication Date |
|---|---|
| CN115476007A true CN115476007A (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211143264.3A Pending CN115476007A (en) | 2022-09-20 | 2022-09-20 | Pneumatic rotating head |
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| CN (1) | CN115476007A (en) |
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|---|---|---|---|---|
| US6448528B1 (en) * | 1999-04-21 | 2002-09-10 | Sodick Co., Ltd. | Tubular electrode holder |
| KR20050063077A (en) * | 2003-12-19 | 2005-06-28 | 두산인프라코어 주식회사 | Spindle attachment device of a machine tool |
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| CN103769705A (en) * | 2014-01-17 | 2014-05-07 | 清华大学 | Multi-functional spindle mechanism used for small deep holes electrical discharge machining |
| CN105127529A (en) * | 2015-09-06 | 2015-12-09 | 清华大学 | Rotating feeding spindle head mechanism applicable to wire discharge grinding for micro electric spark machining |
| CN106938358A (en) * | 2017-05-16 | 2017-07-11 | 无锡微研股份有限公司 | A kind of wriggling compound spindle mechanism for air clamped for different-diameter electrode |
| CN210755685U (en) * | 2019-08-16 | 2020-06-16 | 苏州亚马森机床有限公司 | Rotary chuck for spark erosion drilling machine |
-
2022
- 2022-09-20 CN CN202211143264.3A patent/CN115476007A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6448528B1 (en) * | 1999-04-21 | 2002-09-10 | Sodick Co., Ltd. | Tubular electrode holder |
| KR20050063077A (en) * | 2003-12-19 | 2005-06-28 | 두산인프라코어 주식회사 | Spindle attachment device of a machine tool |
| CN103182593A (en) * | 2011-12-28 | 2013-07-03 | 中核北方核燃料元件有限公司 | Welding device for lower end plug of guide pipe of pressurized water reactor nuclear power fuel assembly |
| CN103769705A (en) * | 2014-01-17 | 2014-05-07 | 清华大学 | Multi-functional spindle mechanism used for small deep holes electrical discharge machining |
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Application publication date: 20221216 |
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