CN213889540U - Pneumatic control connecting device of honing tool and honing tool - Google Patents
Pneumatic control connecting device of honing tool and honing tool Download PDFInfo
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- CN213889540U CN213889540U CN202022650198.1U CN202022650198U CN213889540U CN 213889540 U CN213889540 U CN 213889540U CN 202022650198 U CN202022650198 U CN 202022650198U CN 213889540 U CN213889540 U CN 213889540U
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Abstract
The utility model relates to a pneumatic control connecting device and honing tool of honing tool. The pneumatic control connecting device of the honing tool comprises a tool outer sleeve, a piston, a pressurizing spring and a mandrel feeding part, the tool outer sleeve is provided with a host connecting structure and a honing tool body connecting structure, the piston, the pressurizing spring and the mandrel feeding part are arranged in the tool outer sleeve from top to bottom, an air source device inputs air through a pneumatic input interface to drive the piston to feed, the pneumatic control connecting device further comprises a stop detection mechanism, the stop detection mechanism comprises a position sensor and a stop zero position adjusting mechanism, when the mandrel feeding part descends to the stop zero, the position sensor sends a stop signal, and the pressure of the air source device is controlled to be relieved. The pneumatic control honing tool comprises a honing tool body, the pneumatic control connecting device and an air source device. The beneficial effects are that: the honing pressure does not need to be adjusted manually by stopping the machine, the machine can be stopped automatically when the honing reaches the required size, the honing out-of-tolerance is avoided, and the honing processing flow is simplified.
Description
Technical Field
The utility model relates to a honing tool technical field, especially a pneumatic control connecting device and honing tool of honing tool.
Background
The honing technology has a wide application range, and the application fields of the honing technology extend to the industries of machine tools, bearings, electronic processing, die processing, instrument processing and the like. The selective application of the honing tool is also of considerable importance in honing processes.
The honing process is generally divided into two types, one is vertical process of a vertical honing machine, and the other is horizontal process of a small horizontal honing machine, the vertical honing machine is suitable for large-aperture honing process, the small horizontal honing machine is suitable for small-aperture honing process, the vertical honing process is generally workpiece fixing and honing tool floating, and the horizontal honing process is generally workpiece floating and honing tool fixing. When some abnormal conditions occur, such as a large heavy workpiece, the aperture is smaller than that of a common vertical honing tool, the hole precision is in micron-scale precision, the workpiece needs to be fixedly machined, and the vertical honing machine and the horizontal honing machine are not suitable for machining.
Chinese patent document CN109015332A discloses a self-centering multipurpose honing tool comprising a tool housing, the upper end of the tool housing has a main machine connecting structure for connecting with a main machine of an apparatus, the lower end of the tool housing has a honing tool body connecting structure for connecting with a honing tool body, a honing pressurizing device manually pressurized by a spring adjusting screw sleeve is provided on the tool housing, and the self-centering multipurpose honing tool is connected with the honing tool body through a self-centering honing tool body connecting structure composed of an upper connecting sleeve, a middle connecting sleeve and a lower connecting sleeve. A self-centering multipurpose honing tool can be used for a numerical control machining center machine tool, has a full-floating self-centering function, can machine high-precision vertical holes with the hole diameter smaller than that of a common vertical honing tool on large heavy workpieces, and can machine high-precision horizontal holes and high-precision inclined holes.
The honing tool is manually pressurized through the spring adjusting threaded sleeve to feed the honing tool body, and the honing pressure needs to be manually adjusted by stopping the machine according to the honing thickness and finish and the honing amount in the honing process. Meanwhile, in order to avoid the honing out of tolerance, the honing machine needs to repeatedly stop to detect the size of the workpiece hole according to the experience of workers in the honing process until the workpiece hole is honed to the required size.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: a machine halt is required to manually adjust the honing pressure.
The utility model discloses the further technical problem that will solve is: meanwhile, in order to avoid the honing out of tolerance, the honing machine needs to repeatedly stop to detect the size of the workpiece hole according to the experience of workers in the honing process until the workpiece hole is honed to the required size.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a pneumatic control connecting device of honing instrument, including the instrument overcoat, a piston, pressure spring, the dabber feeds a and shuts down detection mechanism, the upper end of instrument overcoat has host computer connection structure, be used for the equipment host computer to connect, the lower extreme of instrument overcoat has honing instrument body connection structure, be used for with this body coupling of honing instrument, still have pneumatic input interface on the instrument overcoat, a piston, pressure spring and dabber feed and set up in the instrument overcoat from top to bottom, pneumatic input interface is used for being connected with air supply unit, pneumatic input interface communicates with each other with the inner chamber of instrument overcoat, air supply unit compresses pressure spring through gas drive piston, pressure spring promotes the dabber and feeds a decline, the dabber to the honing instrument body that connects on honing instrument body connection structure feeds.
Further inject, the pneumatic control connecting device of honing instrument still includes and shuts down detection mechanism, and it includes position sensor and shut down zero position adjustment mechanism to shut down detection mechanism, and it detects whether dabber feeding member descends to shut down zero through position sensor to shut down detection mechanism, and when dabber feeding member descends to shut down zero, position sensor sends shut down signal, controls air supply unit pressure release, and shut down zero position adjustment mechanism is used for the position of adjusting shut down zero from top to bottom.
A pneumatic control honing tool comprises a honing tool body, a pneumatic control connecting device of the honing tool and an air source device, wherein the honing tool body is installed on the pneumatic control connecting device, and the air source device is connected with a stop detection mechanism and a pneumatic input interface.
Further defined, the honing tool body connecting structure is a self-centering honing tool body connecting structure.
Further inject, position sensor has inductive point C and inductive point D that is located the instrument overcoat, wherein inductive point C is the machine halt zero point, when inductive point C and inductive point D close on or contact, position sensor sends the shutdown signal, machine halt zero point position control mechanism includes the mount pad, adjusting screw and fine setting nut, the mount pad sets up on the outer wall of instrument overcoat, adjusting screw and fine setting nut are installed on the mount pad, fine setting nut overlaps on adjusting screw, screw-thread fit each other, adjusting screw is last to have the cantilever arm, the cantilever arm passes the inside of opening entering instrument overcoat on the instrument overcoat, the rotation regulation action drive adjusting screw oscilaltion of fine setting nut, the flexible arm oscilaltion of lift drive of adjusting screw, position sensor's inductive point C sets up at the cantilever arm, inductive point D sets up on the dabber feeds the piece.
Further inject, the air supply device includes the air supply input port, the atmospheric pressure air-vent valve, air supply stop valve and solenoid valve, the air supply input port is used for being connected with the air supply, the air supply stop valve, atmospheric pressure air-vent valve and solenoid valve are established ties on the gas circuit of air supply input port to pneumatic input interface of pneumatic control connecting device, the air supply stop valve is used for ending the gas circuit, the atmospheric pressure air-vent valve is used for transferring the air in the gas circuit to the constant atmospheric pressure of settlement, solenoid valve and halt detection mechanism's position sensor signal connection, the constant atmospheric pressure of atmospheric pressure air-vent valve output passes through the solenoid valve and exports to pneumatic input interface, when position sensor sends the shut down signal to the solenoid valve, the solenoid valve switches to the pressure release state, pneumatic input interface passes through the solenoid valve pressure release.
Further inject, host computer connection structure includes host computer connecting axle and upper end cover, the host computer connecting axle passes through the upper end of upper end cover cartridge at the upper end of instrument overcoat, the piston sleeve is on the insertion end of host computer connecting axle, the bottom of the insertion end of host computer connecting axle has the ejector pin hole, the dabber feeding piece includes ejector pin and ejector pin outer clamping ring, the ejector pin setting is in the ejector pin hole, ejector pin external clamping ring is sheathe in on the host computer connecting axle, the round pin spout has on the host computer connecting axle, ejector pin outer clamping ring and ejector pin are through the ejector pin connection who passes the round pin spout, the pressure spring cover is on the host computer connecting axle, pressure spring is located between piston and the ejector pin outer clamping ring.
Further limiting, the honing tool body connecting structure is a self-centering honing tool body connecting structure, the self-centering honing tool body connecting structure comprises an upper connecting sleeve, a middle connecting sleeve and a lower connecting sleeve, the upper connecting sleeve and the middle connecting sleeve are horizontally connected in a sliding manner, the middle connecting sleeve and the lower connecting sleeve are horizontally connected in a sliding manner, the horizontal sliding direction between the upper connecting sleeve and the middle connecting sleeve is vertical to the horizontal sliding direction between the middle connecting sleeve and the lower connecting sleeve, the upper connecting sleeve and the middle connecting sleeve are reset through an elastic resetting part after horizontally sliding, the middle connecting sleeve and the lower connecting sleeve are reset through the elastic resetting part after horizontally sliding, the honing tool body is arranged at the lower end of the lower connecting sleeve, the upper connecting sleeve and the middle connecting sleeve, and the middle connecting sleeve and the lower connecting sleeve are horizontally connected in a sliding manner through a sliding chute at the end part and a sliding block embedded in the sliding chute, the upper connecting sleeve, the middle connecting sleeve and the lower connecting sleeve are positioned in the tool jacket or in the protective sleeve connected to the lower end of the tool jacket, the upper connecting sleeve is fixed on the tool jacket, the protective sleeve or the main machine connecting shaft, the mandrel of the honing tool body penetrates through the inner holes of the upper connecting sleeve, the middle connecting sleeve and the lower connecting sleeve to be in contact with the ejector rod, and a mandrel reset spring is arranged in the honing tool body and used for driving the mandrel to reset.
Further defined, the pneumatically controlled honing tool is used for a numerically controlled lathe, and the pneumatically controlled honing tool is connected to a tool rest base of the numerically controlled lathe.
Further limiting, the position sensor is a proximity switch, and a locking nut is screwed on an adjusting screw of the stop zero position adjusting mechanism and used for locking the adjusting screw on the mounting seat.
The utility model has the advantages that: the ultra-precision hole honing device can be arranged on a numerical control machining center or a grinding machine to finish ultra-precision hole machining, the honing pressure does not need to be manually adjusted by stopping, and the honing pressure can be adjusted according to the honing amount and the honing amount of the honing in the honing process and the operating process.
Meanwhile, when the honing tool is honed to the required size, the honing tool can be automatically stopped, the honing over-tolerance is avoided, and the honing process flow is simplified.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments;
figure 1 is a schematic structural view of a pneumatically controlled honing tool of the present invention;
figure 2 is a state view of the pneumatically controlled honing tool of the present invention in use;
FIG. 3 is an enlarged view at E of FIG. 1;
in the drawing, 1, a tool outer sleeve, 2, a piston, 3, a pressurizing spring, 4, a honing tool body, 4-1, a mandrel, 4-2, a mandrel reset spring, 5, a pneumatic input interface, 6, a mounting seat, 7, an adjusting screw, 7-1, an extending arm, 8, a fine adjustment nut, 9, an air source input port, 10, an air pressure adjusting valve, 11, an air source stop valve, 12, an electromagnetic valve, 13, a host connecting shaft, 14, an upper end cover, 15, a mandril, 16, a mandril outer pressing ring, 17, a mandril pin, 18, an upper connecting sleeve, 19, an intermediate connecting sleeve, 20, a lower connecting sleeve, 21, an elastic reset component, 22, a protecting sleeve, 23, a tool rest base, 24, a locking nut, 25, a honing tool locking screw sleeve, 26, a device locking screw sleeve and 27 work pieces are arranged.
Detailed Description
A pneumatic control connecting device of a honing tool comprises a tool jacket 1, a piston 2, a pressurizing spring 3, a mandrel feeding part and a stop detection mechanism, wherein the upper end of the tool jacket 1 is provided with a host connecting structure for connecting an equipment host, the lower end of the tool jacket 1 is provided with a honing tool body connecting structure for connecting with a honing tool body 4, the tool jacket 1 is also provided with a pneumatic input interface 5, the piston 2, the pressurizing spring 3 and the mandrel feeding part are arranged in the tool jacket 1 from top to bottom, the pneumatic input interface 5 is used for being connected with an air source device, the pneumatic input interface 5 is communicated with an inner cavity of the tool jacket 1, the air source device drives the piston 2 to compress the pressurizing spring 3 through gas, the pressurizing spring 3 pushes the mandrel feeding part to descend to feed a mandrel 4-1 of the honing tool body 4 connected on the honing tool body connecting structure, the stop detection mechanism comprises a position sensor and a stop zero position adjusting mechanism, the stop detection mechanism detects whether the mandrel feeding piece descends to a stop zero point through the position sensor, when the mandrel feeding piece descends to the stop zero point, the position sensor sends a stop signal to control the air source device to release pressure, and the stop zero position adjusting mechanism is used for adjusting the stop zero position up and down.
As shown in fig. 1, 2 and 3, the pneumatic control honing tool comprises a honing tool body 4, a pneumatic control connecting device of the honing tool and an air source device, wherein the honing tool body 4 is installed on the pneumatic control connecting device, and the air source device is connected with a stop detection mechanism and a pneumatic input interface 5. The specification of the honing tool body 4 is determined according to the bore size of the processed workpiece.
The honing tool body connecting structure is a self-centering honing tool body connecting structure. The self-centering honing tool body connecting structure comprises an upper connecting sleeve 18, a middle connecting sleeve 19 and a lower connecting sleeve 20, wherein the upper connecting sleeve 18 is horizontally and slidably connected with the middle connecting sleeve 19, the middle connecting sleeve 19 is horizontally and slidably connected with the lower connecting sleeve 20, the horizontal slidable direction between the upper connecting sleeve 18 and the middle connecting sleeve 19 is vertical to the horizontal slidable direction between the middle connecting sleeve 19 and the lower connecting sleeve 20, the upper connecting sleeve 18 and the middle connecting sleeve 19 are reset through an elastic resetting part 21 after horizontally sliding, the middle connecting sleeve 19 and the lower connecting sleeve 20 are reset through another elastic resetting part 21 after horizontally sliding, a honing tool body 4 is arranged at the lower end of the lower connecting sleeve 20, the upper connecting sleeve 18 and the middle connecting sleeve 19, and the middle connecting sleeve 19 and the lower connecting sleeve 20 are horizontally and slidably connected through a sliding groove at the end part and a sliding block embedded in the sliding groove, the upper connecting sleeve 18, the middle connecting sleeve 19 and the lower connecting sleeve 20 are positioned in the tool jacket 1 or in a protecting sleeve 22 connected to the lower end of the tool jacket 1, the upper connecting sleeve 18 is fixed on the tool jacket 1, the protecting sleeve 22 or the main machine connecting shaft 13, a mandrel 4-1 of the honing tool body 4 penetrates through inner holes of the upper connecting sleeve 18, the middle connecting sleeve 19 and the lower connecting sleeve 20 to be in contact with the ejector rod 15, and a mandrel return spring 4-2 is arranged in the honing tool body 4 and used for driving the mandrel 4-1 to return. The elastic reset component 21 is specifically an O-shaped rubber sealing ring. The specific structure of the honing tool body 4 mounted at the lower end of the lower connecting sleeve 20 is as follows: the honing tool body is provided with a locking ring, and the honing tool body is locked in the clamping hole of the lower connecting sleeve 20 through the locking ring and a honing tool locking threaded sleeve sleeved on the lower connecting sleeve 20.
The tool sleeve is provided with an induction point C and an induction point D which are positioned in the tool sleeve 1, wherein the induction point C is a stop zero point, when the induction point C and the induction point D are close to or contact with each other, a position sensor sends a stop signal, a stop zero point position adjusting mechanism comprises an installation seat 6, an adjusting screw 7 and a fine adjusting nut 8, the installation seat 6 is arranged on the outer wall of the tool sleeve 1, the adjusting screw 7 and the fine adjusting nut 8 are installed on the installation seat 6, the fine adjusting nut 8 is sleeved on the adjusting screw 7 and in threaded fit with each other, the specific installation mode is that the installation seat 6 is provided with a vertical screw through hole and a nut groove vertical to the screw through hole, the adjusting screw 7 is inserted into the screw through hole, and the fine adjusting nut 8 is embedded into the nut groove. The adjusting screw 7 is provided with an extending arm 7-1, the extending arm 7-1 penetrates through an opening in the tool outer sleeve 1 to enter the tool outer sleeve 1, the adjusting screw 7 is driven to ascend and descend by the rotation adjusting action of the fine adjusting nut 8, the telescopic arm is driven to ascend and descend by the ascending and descending of the adjusting screw 7, a sensing point C of the position sensor is arranged on the extending arm 7-1, and a sensing point D is arranged on the mandrel feeding piece. A locking nut 24 is screwed on the adjusting screw 7 of the machine halt zero point position adjusting mechanism and is used for locking the adjusting screw 7 on the mounting seat 6.
The position sensor is specifically a proximity switch, the sensing point C and the sensing point D can be respectively a proximity switch body and a proximity switch body matched sensing piece, if the proximity switch is a Hall proximity switch, the Hall proximity switch body and the magnetic steel are respectively arranged on the extension arm 7-1 and the mandrel feeding piece as the sensing point C and the sensing point D. Of course, depending on the type of proximity switch, the cantilever arm 7-1 and the mandrel feeder itself may also act as sensing elements without the need for special sensing elements. Of course, the position sensor may be a contact type, such as a travel switch, the travel switch body serves as one sensing point, and the projecting arm 7-1 or the mandrel feeder itself serves as another sensing point, and position sensing is achieved by pressing or contacting. The particular type of position sensor may be selected in the prior art in accordance with the present principles and practical requirements.
The air source device comprises an air source input port 9, an air pressure regulating valve 10, an air source stop valve 11 and an electromagnetic valve 12, the air source input port 9 is used for being connected with an air source, the air source stop valve 11, the air pressure regulating valve 10 and the electromagnetic valve 12 are connected in series on an air path from the air source input port 9 to a pneumatic input interface 5 of the pneumatic control connecting device, the air source stop valve 11 is used for stopping the air path, the air pressure regulating valve 10 is used for regulating air in the air path to set constant air pressure, the electromagnetic valve 12 is in signal connection with a position sensor of the halt detection mechanism, the constant air pressure output by the air pressure regulating valve 10 is output to the pneumatic input interface 5 through the electromagnetic valve 12, when the position sensor sends a halt signal to the electromagnetic valve 12, the electromagnetic valve 12 is switched to a pressure relief state, and the pneumatic input interface 5 relieves pressure through the electromagnetic valve 12. The solenoid valve 12 is a two-position three-way solenoid valve.
The main machine connecting structure comprises a main machine connecting shaft 13 and an upper end cover 14, the main machine connecting shaft 13 is inserted into the upper end of the tool outer sleeve 1 through the upper end cover 14, the piston 2 is sleeved on the inserting end of the main machine connecting shaft 13, and the bottom of the inserting end of the main machine connecting shaft 13 is provided with an ejector rod inner hole. The inner and outer rings of the piston 2 are sealed by sealing rings.
The mandrel feeding piece comprises a mandrel 15 and a mandrel outer pressing ring 16, the mandrel 15 is arranged in an inner hole of the mandrel, the mandrel outer pressing ring 16 is sleeved on a host connecting shaft 13, a pin sliding groove is formed in the host connecting shaft 13, the mandrel outer pressing ring 16 is connected with the mandrel 15 through a mandrel pin 17 penetrating through the pin sliding groove, a pressurizing spring 3 is sleeved on the host connecting shaft 13, and the pressurizing spring 3 is located between a piston 2 and the mandrel outer pressing ring 16. The induction point D is positioned on the ejector rod outer pressing ring 16.
The pneumatic control honing tool can be used for a numerical control lathe, the pneumatic control honing tool is connected to a tool rest base 23 of the numerical control lathe, a locking ring is arranged on a main machine connecting shaft 13, and the main machine connecting shaft 13 is locked in a clamping hole in the tool rest base 23 through the locking ring and a device locking threaded sleeve sleeved on the tool rest base 23.
The pneumatically controlled honing tool can also be used in grinding machines.
This pneumatic control honing tool has from centering full floating function through self-centering honing tool body connection structure, makes the processing part only need by lathe fixed clamp tightly, need not like horizontal honing machine honing requirement processing part float, stops detection mechanism and can stop automatically when honing to required size, avoids the honing out of tolerance, simplifies the honing process flow.
The whole working process and principle are as follows:
(1) tool setting;
(1.1) loosening the locking nut 24 to the highest position;
(1.2) adjusting the fine adjustment nut 8 to enable the adjusting screw 7 to drive the extension arm 7-1 and a sensing point C of a position sensor on the extension arm 7-1 to descend to the lowest position;
(1.3) placing the middle part of a honing strip on the honing head of the honing tool body 4 in an inner hole of the detection ring gauge;
(1.4) slowly opening an air source stop valve 11, and adjusting an air pressure regulating valve 10 to enable the pressure to be about 0.1-0.2 MPa and to be larger than the pressure of a mandrel reset spring 4-2, wherein the honing strip is attached to an inner hole of the detection ring gauge;
(1.5) adjusting a fine adjustment nut 8 to enable a sensing point C of the position sensor to sense a sensing point D of the position sensor and send a stop signal, opening an electromagnetic valve 12 to enable air inlet of the point A to be changed into pressure relief, returning a piston 2, returning a mandril 15, an external mandril pressing ring 16 and the sensing point D of the position sensor, locking a locking nut 24, taking down a detection ring gauge, finishing tool setting, closing an air source stop valve 11, and then formally honing a workpiece 27;
(2) starting the numerical control lathe to enable the honing head of the honing tool body 4 to enter the hole to be honed, and performing reciprocating motion for a plurality of times easily without any interference;
(3) communicating honing lubricating oil in a hole to be honed;
(4) the air source stop valve 11 is opened, the air pressure regulating valve 10 is adjusted to enable the pressure to be proper, the air pressure can be slightly higher during rough honing, the air pressure can be slightly lower during fine honing, and the specific pressure is determined according to the actual use condition and is not discussed in detail;
(5) honing processing is carried out, when honing reaches a required size, a sensing point C of the position sensor senses a sensing point D of the position sensor and sends a stop signal, the electromagnetic valve 12 is opened to enable air inlet of the point A to be changed into pressure relief, the piston 2 retracts, the ejector rod 15, the ejector rod outer pressing ring 16 and the sensing point D of the position sensor also retract, the honing strip retracts to the original point, an indicator lamp can be designed to light up to remind a worker, the air source stop valve 11 is closed, the tool rest base 23 of the numerical control lathe retracts to the original point, the workpiece 27 stops rotating, size detection is carried out, if the honing size is in place, honing processing is finished, if the honing size deviation is small, honing can be carried out for a plurality of times according to experience after the sensing point C is reduced, if the honing size deviation is large, tool setting can be carried out again, and the steps are repeated.
Claims (10)
1. A pneumatic control connecting device of a honing tool is characterized in that: comprises a tool jacket (1), a piston (2), a pressure spring (3) and a mandrel feeding piece, wherein the upper end of the tool jacket (1) is provided with a main machine connecting structure for connecting with a main machine of equipment, the lower end of the tool jacket (1) is provided with a honing tool body connecting structure for connecting with a honing tool body (4), the tool jacket (1) is also provided with a pneumatic input interface (5),
piston (2), compression spring (3) and dabber feed piece from top to bottom set up in instrument overcoat (1), and pneumatic input interface (5) are used for being connected with air supply unit, and pneumatic input interface (5) communicate with each other with the inner chamber of instrument overcoat (1), and air supply unit compresses compression spring (3) through gas drive piston (2), and compression spring (3) promote the dabber and feed a decline, feed dabber (4-1) of honing tool body (4) connected on honing tool body connection structure.
2. A pneumatically controlled linkage for a honing tool as claimed in claim 1, wherein: the automatic stopping device also comprises a stopping detection mechanism, the stopping detection mechanism comprises a position sensor and a stopping zero position adjusting mechanism, the stopping detection mechanism detects whether the mandrel feeding piece descends to the stopping zero through the position sensor, when the mandrel feeding piece descends to the stopping zero, the position sensor sends a stopping signal to control the air source device to release pressure,
the stop zero position adjusting mechanism is used for adjusting the stop zero position up and down.
3. A pneumatically controlled honing tool characterized by: comprising a honing tool body (4), a pneumatically controlled connecting device of a honing tool as claimed in claim 2, and a gas supply device,
the honing tool body (4) is arranged on the pneumatic control connecting device, and the air source device is connected with the stop detection mechanism and the pneumatic input interface (5).
4. A pneumatically controlled honing tool as claimed in claim 3 wherein: the honing tool body connecting structure is a self-centering honing tool body connecting structure.
5. A pneumatically controlled honing tool as claimed in claim 3 wherein: the position sensor is provided with a sensing point C and a sensing point D which are positioned in the tool outer sleeve (1), wherein the sensing point C is a stop zero point, when the sensing point C is close to or contacts with the sensing point D, the position sensor sends a stop signal,
the shutdown zero position adjusting mechanism comprises a mounting seat (6), an adjusting screw (7) and a fine adjusting nut (8), the mounting seat (6) is arranged on the outer wall of the tool outer sleeve (1), the adjusting screw (7) and the fine adjusting nut (8) are arranged on the mounting seat (6), the fine adjusting nut (8) is sleeved on the adjusting screw (7) and is in threaded fit with each other, an extending arm (7-1) is arranged on the adjusting screw (7), the extending arm (7-1) penetrates through an opening in the tool outer sleeve (1) to enter the tool outer sleeve (1), the adjusting screw (7) is driven to ascend and descend by the rotation adjusting action of the fine adjusting nut (8), the telescopic arm is driven to ascend and descend by the ascending and descending of the adjusting screw (7), a sensing point C of a position sensor is arranged on the extending arm (7-1), and the sensing point D is arranged on a mandrel feeding piece.
6. A pneumatically controlled honing tool as claimed in claim 3 wherein: the air source device comprises an air source input port (9), an air pressure regulating valve (10), an air source stop valve (11) and a solenoid valve (12), wherein the air source input port (9) is used for being connected with an air source, the air source stop valve (11), the air pressure regulating valve (10) and the solenoid valve (12) are connected in series on an air path from the air source input port (9) to a pneumatic input interface (5) of the pneumatic control connecting device, the air source stop valve (11) is used for stopping the air path, the air pressure regulating valve (10) is used for regulating air in the air path to set constant air pressure, the solenoid valve (12) is in signal connection with a position sensor of the shutdown detection mechanism, the constant air pressure output by the air pressure regulating valve (10) is output to the pneumatic input interface (5) through the solenoid valve (12), when the position sensor sends a stop signal to the electromagnetic valve (12), the electromagnetic valve (12) is switched to a pressure relief state, and the pneumatic input interface (5) is relieved of pressure through the electromagnetic valve (12).
7. A pneumatically controlled honing tool as claimed in claim 3 wherein: the main machine connecting structure comprises a main machine connecting shaft (13) and an upper end cover (14), the main machine connecting shaft (13) is inserted into the upper end of the tool outer sleeve (1) through the upper end cover (14),
the piston (2) is sleeved on the insertion end of the main machine connecting shaft (13), the bottom of the insertion end of the main machine connecting shaft (13) is provided with an ejector rod inner hole,
the mandrel feeding piece comprises a mandril (15) and a mandril outer pressing ring (16), the mandril (15) is arranged in an inner hole of the mandril, the mandril outer pressing ring (16) is sleeved on a main machine connecting shaft (13), the main machine connecting shaft (13) is provided with a pin sliding groove, the mandril outer pressing ring (16) is connected with the mandril (15) through a mandril pin (17) penetrating through the pin sliding groove,
the pressurizing spring (3) is sleeved on the main machine connecting shaft (13), and the pressurizing spring (3) is positioned between the piston (2) and the ejector rod outer pressing ring (16).
8. A pneumatically controlled honing tool as claimed in claim 7 wherein: the honing tool body connecting structure is a self-centering honing tool body connecting structure, the self-centering honing tool body connecting structure comprises an upper connecting sleeve (18), a middle connecting sleeve (19) and a lower connecting sleeve (20), the upper connecting sleeve (18) is horizontally and slidably connected with the middle connecting sleeve (19), the middle connecting sleeve (19) is horizontally and slidably connected with the lower connecting sleeve (20), the horizontal slidable direction between the upper connecting sleeve (18) and the middle connecting sleeve (19) is vertical to the horizontal slidable direction between the middle connecting sleeve (19) and the lower connecting sleeve (20), the upper connecting sleeve (18) and the middle connecting sleeve (19) are reset through an elastic resetting component (21) after horizontal sliding, the middle connecting sleeve (19) and the lower connecting sleeve (20) are reset through the elastic resetting component (21) after horizontal sliding, and the honing tool body (4) is installed at the lower end of the lower connecting sleeve (20),
the upper connecting sleeve (18) and the middle connecting sleeve (19), the middle connecting sleeve (19) and the lower connecting sleeve (20) are horizontally connected in a sliding way through a sliding groove at the end part and a sliding block embedded in the sliding groove,
the upper connecting sleeve (18), the middle connecting sleeve (19) and the lower connecting sleeve (20) are positioned in the tool outer sleeve (1) or in a protecting sleeve (22) connected to the lower end of the tool outer sleeve (1),
the upper connecting sleeve (18) is fixed on the tool outer sleeve (1), the protective sleeve (22) or the main machine connecting shaft (13),
a mandrel (4-1) of the honing tool body (4) passes through the inner holes of the upper connecting sleeve (18), the middle connecting sleeve (19) and the lower connecting sleeve (20) to be contacted with the ejector rod (15),
a mandrel return spring (4-2) is arranged in the honing tool body (4) and used for driving the mandrel (4-1) to return.
9. A pneumatically controlled honing tool as claimed in claim 3 wherein: the pneumatic honing tool is used for a numerically controlled lathe, and the pneumatic honing tool is connected to a tool rest base (23) of the numerically controlled lathe.
10. A pneumatically controlled honing tool as claimed in claim 5 wherein: the position sensor is embodied as a proximity switch,
and a locking nut (24) is screwed on the adjusting screw (7) of the machine halt zero point position adjusting mechanism and is used for locking the adjusting screw (7) on the mounting seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022650198.1U CN213889540U (en) | 2020-11-16 | 2020-11-16 | Pneumatic control connecting device of honing tool and honing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022650198.1U CN213889540U (en) | 2020-11-16 | 2020-11-16 | Pneumatic control connecting device of honing tool and honing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213889540U true CN213889540U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022650198.1U Withdrawn - After Issue CN213889540U (en) | 2020-11-16 | 2020-11-16 | Pneumatic control connecting device of honing tool and honing tool |
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| Country | Link |
|---|---|
| CN (1) | CN213889540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199389A (en) * | 2020-11-16 | 2021-08-03 | 常州凯瑞莱精密工具有限公司 | Pneumatic control connecting device of honing tool and honing tool |
-
2020
- 2020-11-16 CN CN202022650198.1U patent/CN213889540U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199389A (en) * | 2020-11-16 | 2021-08-03 | 常州凯瑞莱精密工具有限公司 | Pneumatic control connecting device of honing tool and honing tool |
| CN113199389B (en) * | 2020-11-16 | 2024-09-03 | 常州凯瑞莱精密工具有限公司 | Pneumatic control connecting device of honing tool and honing tool |
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