CN110560718B - Self-locking spring chuck and implementation method thereof - Google Patents
Self-locking spring chuck and implementation method thereof Download PDFInfo
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- CN110560718B CN110560718B CN201910880502.0A CN201910880502A CN110560718B CN 110560718 B CN110560718 B CN 110560718B CN 201910880502 A CN201910880502 A CN 201910880502A CN 110560718 B CN110560718 B CN 110560718B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
- B23B31/20—Longitudinally-split sleeves, e.g. collet chucks
- B23B31/201—Characterized by features relating primarily to remote control of the gripping means
- B23B31/204—Characterized by features relating primarily to remote control of the gripping means using fluid-pressure means to actuate the gripping means
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- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a self-locking spring chuck, which comprises a working table, wherein a linear guide rail, a hollow shaft cylinder and a spring chuck assembly are sequentially connected above the working table from left to right, one end of the working table, which is far away from the hollow shaft cylinder, is connected with a material pushing cylinder, the output end of the material pushing cylinder is connected with a sliding block of the linear guide rail, a push rod support is connected onto the sliding block of the linear guide rail, a push rod is connected inside the push rod support, the other end of the push rod is positioned inside the spring chuck assembly, and the bottom of the working table, which is positioned below the spring chuck assembly; the invention also discloses a method for realizing the self-locking spring chuck, the hollow spring chuck is driven to rotate by the servo motor, the precision is high, the hollow spring chuck is suitable for full-automatic processing production, the speed is 0-8000 turns, different speeds are set according to different processed products, the production cost is low, and the purposes in various aspects can be achieved.
Description
Technical Field
The invention belongs to the technical field of self-locking chucks, and particularly relates to a self-locking spring chuck and an implementation method thereof.
Background
The chuck that can rotate in the existing market is pneumatic automatic locking, and the too big heavy machine structure that leads to of pneumatic chuck diameter on conventional processing machine does not allow, and this just produces the hindrance of some products to mechanical field, if high-speed operation pneumatic chuck is too heavy inertia too big, starts and stops all to need a long time, has influenced work efficiency.
Disclosure of Invention
The present invention is directed to a self-locking collet chuck to solve the above-mentioned problems of the prior art. The self-locking spring chuck provided by the invention has the characteristics of being suitable for different processing machines and different workpieces.
The invention also aims to provide a method for realizing the self-locking spring chuck.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a from locking-type collet chuck, including table surface, table surface's top has connected gradually linear guide rail from a left side to the right side, hollow shaft cylinder and collet chuck subassembly, table surface keeps away from the one end of hollow shaft cylinder and is connected with and pushes away the material cylinder, the output that pushes away the material cylinder is connected with linear guide rail's slider, be connected with the ejector pin support on linear guide rail's the slider, the internal connection of ejector pin support has the ejector pin, the other end of ejector pin is located the inside of collet chuck subassembly, table surface's bottom is located the below of collet chuck subassembly and is connected with servo motor, servo motor passes through synchronous belt with the collet chuck subassembly and is connected, push away the material cylinder.
Further, one side, far away from the hollow shaft cylinder, of the ejector rod support is connected with an induction switch, and one end, close to the induction switch, of the ejector rod support is connected with a lock rod nut.
In the invention, the other side of the ejector rod support is provided with a locking sleeve, a locking sleeve spring is arranged in the locking sleeve, and the locking sleeve spring is sleeved on the ejector rod.
Further, the hollow shaft cylinder comprises a cylinder telescopic rod, the cylinder telescopic rod is located inside the hollow shaft cylinder, and the cylinder telescopic rod is of a hollow structure.
The spring chuck assembly further comprises a bearing seat, a hollow spring chuck, a main shaft and a chuck hollow shaft, wherein the main shaft is rotatably connected inside the bearing seat through a bearing, the hollow spring chuck and the chuck hollow shaft are slidably connected inside the main shaft, one end of the chuck hollow shaft is connected with one end of the hollow spring chuck, and the chuck hollow shaft is positioned at one end close to a hollow shaft cylinder.
Furthermore, a return spring is sleeved on the circumference of the hollow chuck shaft positioned outside the bearing seat, a fixing nut is connected to the tail end of the hollow chuck shaft positioned outside the bearing seat, and a gasket is arranged between the return spring and the main shaft.
Further, the outer part of the main shaft is connected with a synchronous belt pulley, the output end of the servo motor is also connected with the synchronous belt pulley, and the two synchronous belt pulleys are connected through a synchronous belt.
In the invention, a screw is embedded and connected to the position, corresponding to the hollow collet chuck, of the main shaft, a sliding groove corresponding to the screw is formed in the hollow collet chuck, one end of the screw is embedded into the sliding groove, and the surface, contacting the hollow collet chuck, of the main shaft is of an inclined surface structure.
Further, the implementation method of the self-locking spring chuck comprises the following steps:
before working, the hollow spring chuck is in a clamping state under the action of a return spring;
when the hollow spring chuck works, the hollow shaft cylinder acts, the telescopic rod of the cylinder pushes the fixing nut to act rightwards, and the chuck hollow shaft and the hollow spring chuck are pushed rightwards, so that the hollow spring chuck is opened;
putting the workpiece into a hollow spring chuck, resetting a hollow shaft cylinder, resetting the chuck hollow shaft and the hollow spring chuck under the action of a reset spring, and clamping the workpiece by the hollow spring chuck;
after the workpiece is loaded, under the extrusion of the workpiece, the ejector rod is contacted with the inductive switch, so that the servo motor acts to drive the main shaft to rotate, and the hollow spring chuck is driven to rotate, so that the workpiece rotates, and the workpiece is processed;
and (V) after the processing is finished, stopping the action of the servo motor, enabling the hollow shaft cylinder to act, enabling the hollow spring chuck to open, enabling the material pushing cylinder to act, pushing the ejector rod rightwards, pushing the processed workpiece out through the ejector rod, then resetting, finishing unloading, resetting the ejector rod under the action of the locking sleeve spring at the moment, enabling the ejector rod to be separated from the induction switch, and stopping the action of the whole device when the separation time of the ejector rod and the induction switch is more than 5-10 minutes.
In the invention, further, the method for realizing the self-locking spring chuck comprises the steps that one side, far away from a hollow shaft cylinder, of a mandril support is connected with an inductive switch, one end, close to the inductive switch, of the mandril support is connected with a lock rod nut, the other side of the mandril support is connected with a locking sleeve, a locking sleeve spring is arranged inside the locking sleeve, the locking sleeve spring is sleeved on the mandril, the hollow shaft cylinder comprises a cylinder telescopic rod, the cylinder telescopic rod is located inside the hollow shaft cylinder, the cylinder telescopic rod is of a hollow structure, the spring chuck component comprises a bearing seat, a hollow spring chuck, a main shaft and a chuck hollow shaft, wherein the inside of the bearing seat is rotatably connected with the main shaft through a bearing, the inside of the main shaft is slidably connected with the hollow spring chuck and the chuck hollow shaft, one end, the cover is equipped with reset spring on the circumference that the chuck hollow shaft is located the bearing frame outside, and the chuck hollow shaft is located and is connected with fixation nut on the outside end of bearing frame, be equipped with the gasket between reset spring and the main shaft, the external connection of main shaft has synchronous pulley, and servo motor's output also is connected with synchronous pulley, connect through synchronous belt between two synchronous pulleys, the position embedding that corresponds hollow spring chuck on the main shaft is connected with the screw, and set up the spout corresponding with the screw on the hollow spring chuck, the one end embedding of screw is to the inside of spout, the main shaft is the inclined plane structure with the face of hollow spring chuck contact.
Compared with the prior art, the invention has the beneficial effects that:
1. the hollow spring chuck is driven to rotate by the servo motor, the precision is high, the hollow spring chuck is suitable for full-automatic processing production, the speed is 0-8000 turns, different speeds are set according to different processed products, the production cost is low, and multiple purposes can be achieved;
2. the hollow spring chuck is driven to move through the action of the hollow shaft cylinder, so that the hollow spring chuck is opened, the feeding or the discharging is convenient, after the hollow shaft cylinder is reset, the hollow spring chuck clamps a workpiece under the action of the reset spring, and the ejector rod is driven to move through the linear guide rail to perform the discharging during the discharging, so that the working efficiency is high;
3. the induction switch is arranged at the tail part of the ejector rod, whether a workpiece exists in the hollow spring chuck is detected through the induction switch, and if the workpiece does not exist in the hollow spring chuck, the machine is stopped, so that the machine is prevented from being damaged due to idle running;
4. the invention can limit the workpiece embedded into the hollow spring chuck by adjusting the position of the end part of the ejector rod in the spring chuck assembly, thereby ensuring the processing length of the workpiece to be consistent;
5. the invention is suitable for processing workpieces with different structures, such as beads, screw threads or nuts, and the like, and also suitable for processing machines with different types, such as full-automatic engraving machines or lathes, and the like.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a front cross-sectional structural view of the present invention;
FIG. 3 is a schematic structural view of the ejector pin bracket of the present invention;
FIG. 4 is a schematic structural view of a hollow shaft cylinder according to the present invention;
FIG. 5 is a schematic view of the spring collet assembly of the present invention;
FIG. 6 is a schematic view of the hollow shaft and hollow collet chuck of the present invention;
FIG. 7 is a schematic view of an exploded configuration of the hollow collet shaft and hollow collet chuck of the present invention;
in the figure: 1. a material pushing cylinder; 2. a work table; 3. a mandril bracket; 31. an inductive switch; 32. a locking sleeve spring; 33. a locking sleeve; 34. a lock rod nut; 4. a linear guide rail; 5. a top rod; 6. a hollow shaft cylinder; 61. a cylinder telescopic rod; 7. a spring collet assembly; 71. a bearing seat; 72. a hollow collet; 73. a synchronous pulley; 74. a main shaft; 75. a return spring; 76. fixing a nut; 77. a chuck hollow shaft; 78. a gasket; 79. a screw; 710. a chute; 8. and (5) a workpiece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a from locking-type collet chuck, including table surface 2, table surface 2's top loops through bolted connection linear guide 4 from a left side to the right side, hollow shaft cylinder 6 and collet chuck subassembly 7, table surface 2 keeps away from hollow shaft cylinder 6's one end and has a material pushing cylinder 1 through bolted connection, the output that pushes away material cylinder 1 is connected with linear guide 4's slider, be connected with ejector pin support 3 on linear guide 4's the slider, the internal connection of ejector pin support 3 has ejector pin 5, the other end of ejector pin 5 is located the inside of collet chuck subassembly 7, table surface 2's bottom is located the below of collet chuck subassembly 7 and is connected with servo motor, servo motor passes through synchronous belt with collet chuck subassembly 7 and is connected, push away material cylinder 1, hollow shaft cylinder 6 and servo motor are connected with the.
Further, one side that hollow shaft cylinder 6 was kept away from to ejector pin support 3 is connected with inductive switch 31, and the one end that ejector pin 5 is located ejector pin support 3 and is close to inductive switch 31 is connected with locking lever nut 34, the opposite side of ejector pin support 3 is equipped with locking cover 33, and the inside of locking cover 33 is equipped with locking cover spring 32, and locking cover spring 32 overlaps on ejector pin 5.
Through adopting above-mentioned technical scheme, it is spacing in the inside of ejector pin support 3 through locking lever nut 34 with ejector pin 5, locking cover 33 is fixed on ejector pin 5 of ejector pin support 3 keeping away from inductive switch 31 one side, and locking cover 33 and ejector pin support 3 are equipped with locking cover spring 32, under the condition that does not pack into work piece 8, ejector pin 5 makes the terminal of ejector pin 5 separate with inductive switch 31 under the effect of locking cover spring 32, equipment stop work this moment, after packing into work piece 8, under the extrusion of work piece 8, make ejector pin 5 and inductive switch 31 contact, at this moment, equipment begins work.
Further, the hollow shaft cylinder 6 comprises a cylinder telescopic rod 61, the cylinder telescopic rod 61 is located inside the hollow shaft cylinder 6, and the cylinder telescopic rod 61 is of a hollow structure.
By adopting the technical scheme, the hollow chuck shaft 77 is pushed by the air cylinder telescopic rod 61, so that the hollow spring chuck 72 is pushed, the hollow spring chuck 72 is separated from the main shaft 74, and the hollow spring chuck 72 is opened, so that the workpiece 8 can be conveniently loaded into or unloaded from the workpiece 8.
Further, the collet assembly 7 comprises a bearing seat 71, a hollow collet chuck 72, a main shaft 74 and a hollow collet shaft 77, wherein the main shaft 74 is rotatably connected to the inside of the bearing seat 71 through a bearing, the hollow collet chuck 72 and the hollow collet shaft 77 are slidably connected to the inside of the main shaft 74, one end of the hollow collet shaft 77 is connected with one end of the hollow collet chuck 72 through threaded engagement, and the hollow collet shaft 77 is located at one end close to the hollow shaft cylinder 6.
By adopting the technical scheme, the main shaft 74 can rotate in the bearing seat 71, and the main shaft 74 can clamp the hollow spring chuck 72.
Further, a return spring 75 is sleeved on the circumference of the hollow chuck shaft 77 located outside the bearing seat 71, a fixing nut 76 is connected to the end of the hollow chuck shaft 77 located outside the bearing seat 71, and a gasket 78 is arranged between the return spring 75 and the spindle 74.
By adopting the technical scheme, after the hollow shaft cylinder 6 is reset, the hollow spring chuck 72 is reset under the action of the reset spring 75, so that the hollow spring chuck 72 clamps the workpiece 8 under the action of the main shaft 74.
Further, a synchronous belt pulley 73 is connected to the outside of the main shaft 74, and a synchronous belt pulley is connected to the output end of the servo motor, and the two synchronous belt pulleys are connected through a synchronous belt.
By adopting the above technical scheme, the servo motor drives the main shaft 74 to rotate under the action of the synchronous belt.
Furthermore, a screw 79 is embedded and connected to a position, corresponding to the hollow collet chuck 72, of the main shaft 74, a sliding groove 710 corresponding to the screw 79 is formed in the hollow collet chuck 72, one end of the screw 79 is embedded into the sliding groove 710, and a surface, contacting the main shaft 74 and the hollow collet chuck 72, is an inclined surface structure.
By adopting the technical scheme, the hollow spring chuck 72 is connected with the main shaft 74 through the screw 79, so that the hollow spring chuck 72 and the main shaft 74 can rotate together, the hollow spring chuck 72 can still slide through the arranged sliding groove 710, and the main shaft 74 can better clamp the hollow spring chuck 72 through the inclined surface structure.
The model of the material pushing cylinder 1 in the embodiment is SDAJ80 × 25-25, and is sold by the zhejiang state long open automation ltd; the model number of the inductive switch 31 is SNO4-N, and is sold by the Hu Industrial group of China; the linear guide 4 is model number HGH20, sold by Lishui vodka Automation of Zhejiang; the type of the servo motor is 80ST-M02430 sold by Pofeld trade Co., Ltd, Wenzhou; the controller is HK-CNC990TDC, sold by Guangdong Hanke numerical control technology, Inc.
Further, the implementation method of the self-locking spring chuck comprises the following steps:
before working, the hollow spring chuck 72 is in a clamping state under the action of a return spring 75;
when the hollow shaft clamping head works, the hollow shaft cylinder 6 acts, the cylinder telescopic rod 61 pushes the fixing nut 76 to act rightwards, and the clamping head hollow shaft 77 and the hollow spring clamping head 72 are pushed rightwards, so that the hollow spring clamping head 72 is opened;
thirdly, the workpiece 8 is placed into the hollow spring chuck 72, the hollow shaft cylinder 6 is reset, the chuck hollow shaft 77 and the hollow spring chuck 72 are reset under the action of the reset spring 75, and the hollow spring chuck 72 clamps the workpiece 8;
after the workpiece 8 is loaded, under the extrusion of the workpiece 8, the ejector rod 5 is contacted with the induction switch 31, so that the servo motor acts to drive the main shaft 74 to rotate, and the hollow spring chuck 72 is driven to rotate, so that the workpiece 8 rotates, and the workpiece 8 is processed;
and (V) after the processing is finished, stopping the action of the servo motor, enabling the hollow shaft cylinder 6 to act, enabling the hollow spring chuck 72 to open, enabling the material pushing cylinder 1 to act, pushing the ejector rod 5 rightwards, pushing the processed workpiece 8 out through the ejector rod 5, then resetting, finishing discharging, resetting the ejector rod 5 under the action of the locking sleeve spring 32, enabling the ejector rod 5 to be separated from the induction switch 31, and stopping the action of the whole device when the separation time of the ejector rod 5 and the induction switch 31 is more than 5-10 minutes, wherein the set time in the embodiment is 5 minutes.
In conclusion, the hollow spring chuck is driven to rotate by the servo motor, the precision is high, the hollow spring chuck is suitable for full-automatic processing production, the speed is 0-8000 turns, different speeds are set according to different processed products, the production cost is low, and the hollow spring chuck can achieve multiple purposes; the hollow spring chuck is driven to move through the action of the hollow shaft cylinder, so that the hollow spring chuck is opened, the feeding or the discharging is convenient, after the hollow shaft cylinder is reset, the hollow spring chuck clamps a workpiece under the action of the reset spring, and the ejector rod is driven to move through the linear guide rail to perform the discharging during the discharging, so that the working efficiency is high; the induction switch is arranged at the tail part of the ejector rod, whether a workpiece exists in the hollow spring chuck is detected through the induction switch, and if the workpiece does not exist in the hollow spring chuck, the machine is stopped, so that the machine is prevented from being damaged due to idle running; the invention can limit the workpiece embedded into the hollow spring chuck by adjusting the position of the end part of the ejector rod in the spring chuck assembly, thereby ensuring the processing length of the workpiece to be consistent; the invention is suitable for processing workpieces with different structures, such as beads, screw threads or nuts, and the like, and also suitable for processing machines with different types, such as full-automatic engraving machines or lathes, and the like.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a from locking-type collet chuck, includes table surface (2), its characterized in that: a linear guide rail (4), a hollow shaft cylinder (6) and a spring clamp head assembly (7) are sequentially connected above the working table top (2) from left to right, one end, far away from the hollow shaft cylinder (6), of the working table top (2) is connected with a material pushing cylinder (1), the output end of the material pushing cylinder (1) is connected with a sliding block of the linear guide rail (4), a push rod support (3) is connected onto the sliding block of the linear guide rail (4), a push rod (5) is connected inside the push rod support (3), the other end of the push rod (5) is located inside the spring clamp head assembly (7), the bottom of the working table top (2) is located below the spring clamp head assembly (7) and is connected with a servo motor, the servo motor is connected with the spring clamp head assembly (7) through a synchronous belt, and the material pushing cylinder (1), the hollow shaft;
one side, far away from the hollow shaft cylinder (6), of the ejector rod support (3) is connected with an inductive switch (31), and one end, close to the inductive switch (31), of the ejector rod (5) on the ejector rod support (3) is connected with a locking rod nut (34);
the other side of the ejector rod support (3) is provided with a locking sleeve (33), a locking sleeve spring (32) is arranged inside the locking sleeve (33), and the ejector rod (5) is sleeved with the locking sleeve spring (32);
the spring chuck assembly (7) comprises a bearing seat (71), a hollow spring chuck (72), a main shaft (74) and a chuck hollow shaft (77), wherein the inside of the bearing seat (71) is rotatably connected with the main shaft (74) through a bearing, the inside of the main shaft (74) is slidably connected with the hollow spring chuck (72) and the chuck hollow shaft (77), one end of the chuck hollow shaft (77) is connected with one end of the hollow spring chuck (72), and the chuck hollow shaft (77) is positioned at one end close to the hollow shaft cylinder (6);
the clamp hollow shaft (77) is sleeved with a return spring (75) on the circumference of the outer portion of the bearing seat (71), the tail end of the clamp hollow shaft (77) located on the outer portion of the bearing seat (71) is connected with a fixing nut (76), and a gasket (78) is arranged between the return spring (75) and the main shaft (74).
2. The self-locking collet chuck according to claim 1, wherein: the hollow shaft cylinder (6) comprises a cylinder telescopic rod (61), the cylinder telescopic rod (61) is located inside the hollow shaft cylinder (6), and the cylinder telescopic rod (61) is of a hollow structure.
3. The self-locking collet chuck according to claim 1, wherein: the outer part of the main shaft (74) is connected with a synchronous belt pulley (73), the output end of the servo motor is also connected with the synchronous belt pulley, and the two synchronous belt pulleys are connected through a synchronous belt.
4. The self-locking collet chuck according to claim 1, wherein: the main shaft (74) is connected with a screw (79) in a position corresponding to the hollow spring chuck (72) in an embedded mode, a sliding groove (710) corresponding to the screw (79) is formed in the hollow spring chuck (72), one end of the screw (79) is embedded into the sliding groove (710), and the surface, in contact with the hollow spring chuck (72), of the main shaft (74) is of an inclined surface structure.
5. Method for realising a self-locking collet chuck according to any of claims 1-4, characterised in that it comprises the following steps:
before working, the hollow spring chuck (72) is in a clamping state under the action of a return spring (75);
when the hollow spring chuck works, the hollow shaft cylinder (6) acts, the cylinder telescopic rod (61) pushes the fixing nut (76) to act rightwards, and the chuck hollow shaft (77) and the hollow spring chuck (72) are pushed rightwards, so that the hollow spring chuck (72) is opened;
putting the workpiece (8) into a hollow spring chuck (72), resetting a hollow shaft cylinder (6), resetting a chuck hollow shaft (77) and the hollow spring chuck (72) under the action of a reset spring (75), and clamping the workpiece (8) by the hollow spring chuck (72);
after the workpiece (8) is loaded, under the extrusion of the workpiece (8), the ejector rod (5) is in contact with the induction switch (31), so that the servo motor acts to drive the main shaft (74) to rotate, the hollow spring chuck (72) is driven to rotate, the workpiece (8) is rotated, and the workpiece (8) is processed;
and fifthly, after the machining is finished, the servo motor stops acting, the hollow shaft cylinder (6) acts to open the hollow spring chuck (72), the material pushing cylinder (1) acts to push the ejector rod (5) to the right, the machined workpiece (8) is pushed out through the ejector rod (5), then the workpiece is reset, the unloading is finished, at the moment, the ejector rod (5) resets under the action of the locking sleeve spring (32), so that the ejector rod (5) is separated from the induction switch (31), and when the separation time of the ejector rod (5) and the induction switch (31) is longer than 5-10 minutes, the whole device stops acting.
6. The method of claim 5, further comprising the steps of: one side of the ejector rod support (3) far away from the hollow shaft cylinder (6) is connected with an inductive switch (31), one end of the ejector rod (5) positioned at the ejector rod support (3) and close to the inductive switch (31) is connected with a lock rod nut (34), the other side of the ejector rod support (3) is provided with a locking sleeve (33), a locking sleeve spring (32) is arranged inside the locking sleeve (33), the locking sleeve spring (32) is sleeved on the ejector rod (5), the hollow shaft cylinder (6) comprises a cylinder telescopic rod (61), the cylinder telescopic rod (61) is positioned inside the hollow shaft cylinder (6), the cylinder telescopic rod (61) is of a hollow structure, the spring chuck component (7) comprises a bearing seat (71), a hollow spring chuck (72), a main shaft (74) and a chuck hollow shaft (77), wherein the inside of the bearing seat (71) is rotatably connected with the main shaft (74) through a bearing, the inside of the main shaft (74) is slidably connected with, one end of a hollow chuck shaft (77) is connected with one end of a hollow spring chuck (72), the hollow chuck shaft (77) is positioned at one end close to a hollow shaft cylinder (6), a reset spring (75) is sleeved on the circumference of the hollow chuck shaft (77) positioned outside a bearing seat (71), a fixing nut (76) is connected on the tail end of the hollow chuck shaft (77) positioned outside the bearing seat (71), a gasket (78) is arranged between the reset spring (75) and a main shaft (74), a synchronous belt pulley (73) is connected outside the main shaft (74), the output end of a servo motor is also connected with the synchronous belt pulley, the two synchronous belt pulleys are connected through a synchronous belt, a screw (79) is embedded and connected on the main shaft (74) corresponding to the hollow spring chuck (72), and a sliding groove (710) corresponding to the screw (79) is arranged on the hollow spring chuck (72), one end of the screw (79) is embedded into the sliding groove (710), and the surface of the main shaft (74) contacting with the hollow spring clamping head (72) is of an inclined surface structure.
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CN201910880502.0A CN110560718B (en) | 2019-09-18 | 2019-09-18 | Self-locking spring chuck and implementation method thereof |
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CN201910880502.0A CN110560718B (en) | 2019-09-18 | 2019-09-18 | Self-locking spring chuck and implementation method thereof |
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CN110560718B true CN110560718B (en) | 2020-11-13 |
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Citations (1)
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CN204123173U (en) * | 2014-09-15 | 2015-01-28 | 北京海普瑞森科技发展有限公司 | A kind of lathe automatic clamping device |
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JPH0919804A (en) * | 1995-07-07 | 1997-01-21 | Seiko Epson Corp | Guide bushing for wire processing and machining device equipped with guide bushing |
JP2007152509A (en) * | 2005-12-06 | 2007-06-21 | Denso Corp | Collet chuck |
CN202555854U (en) * | 2012-02-24 | 2012-11-28 | 桐庐成顺光电配件厂 | Clamp device for numerical control groove cutting machine |
CN204277597U (en) * | 2014-11-30 | 2015-04-22 | 重庆川茂建材有限公司 | Be convenient to the clamping device of processing work circumference |
KR101620327B1 (en) * | 2016-01-14 | 2016-05-12 | 나강철 | Work chucking device of cnc lathe |
CN108655437A (en) * | 2018-06-18 | 2018-10-16 | 宁波锋行自动化科技有限公司 | A kind of air pressure diaphragm spring collet main shaft |
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Patent Citations (1)
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CN204123173U (en) * | 2014-09-15 | 2015-01-28 | 北京海普瑞森科技发展有限公司 | A kind of lathe automatic clamping device |
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