CN113199389B - 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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- CN113199389B CN113199389B CN202011277366.5A CN202011277366A CN113199389B CN 113199389 B CN113199389 B CN 113199389B CN 202011277366 A CN202011277366 A CN 202011277366A CN 113199389 B CN113199389 B CN 113199389B
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- honing
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- connecting sleeve
- honing tool
- mandrel
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- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 5
- 238000007667 floating Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/08—Honing tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/08—Honing tools
- B24B33/087—Honing tools provided with measuring equipment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a pneumatic control connecting device of a honing tool and the 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 piece, wherein the tool outer sleeve is provided with a host machine connecting structure and a honing tool body connecting structure, the piston, the pressurizing spring and the mandrel feeding piece 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, and when the mandrel feeding piece descends to a stop zero point, the position sensor sends a stop signal to control the air source device to release pressure. The pneumatic control honing tool comprises a honing tool body, the pneumatic control connecting device and the air source device. The beneficial effects of the invention are as follows: the honing pressure is not required to be manually adjusted by stopping the honing machine, the honing machine can be automatically stopped when the honing machine is in a required size, the out-of-tolerance honing is avoided, and the honing process is simplified.
Description
Technical Field
The invention relates to the technical field of honing tools, in particular to a pneumatic control connecting device of a honing tool and the honing tool.
Background
The honing technology has wide application range, and the application field of the honing technology is in the industries of machine tools, bearings, electronic processing, die processing, instrument processing and the like. The selective application of honing tools is also of considerable critical importance in honing processes.
Honing is generally divided into two kinds, one is vertical type honing machine, and the other is horizontal type honing machine, the vertical type honing machine is suitable for large-piece large-aperture honing machine, the small horizontal type honing machine is suitable for small-piece small-aperture honing machine, the vertical type honing machine is generally workpiece fixing and honing tool floating, and the horizontal type honing machine is generally workpiece floating and honing tool fixing. When some abnormal conditions occur, such as a large heavy workpiece with a smaller aperture than that of a common vertical honing tool and with a micron-sized precision, the workpiece needs to be fixedly machined, and the vertical and horizontal honing machines 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 having a main machine connection structure for equipment main machine connection, the lower end of the tool housing having a honing tool body connection structure for connection with a honing tool body, the tool housing having thereon a honing pressurizing device for manually pressurizing by means of a spring adjusting screw sleeve, the self-centering multipurpose honing tool being connected with the honing tool body by means of a self-centering honing tool body connection structure constituted by an upper connecting sleeve, an intermediate connecting sleeve and a lower connecting sleeve. The utility model provides a self-centering multipurpose honing instrument can be used to numerical control machining center lathe, has full floating self-centering function, and it not only can process on the large-scale heavy work piece, the aperture is less than the vertical hole of high accuracy of commonly used vertical honing instrument, but also can process high accuracy horizontal hole and high accuracy inclined hole.
The honing tool is manually pressurized through the spring adjusting threaded sleeve to feed the honing tool body, and the honing pressure is required to be manually adjusted according to the rough honing, the fine honing and the honing amount of honing in the honing process. Meanwhile, in order to avoid the honing out-of-tolerance, the size of the workpiece hole needs to be repeatedly checked by stopping the machine until the workpiece hole reaches the required size by the honing process depending on the experience of workers.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: a shut down is required to manually adjust honing pressure.
The invention further aims to solve the technical problems that: meanwhile, in order to avoid the honing out-of-tolerance, the size of the workpiece hole needs to be repeatedly checked by stopping the machine until the workpiece hole reaches the required size by the honing process depending on the experience of workers.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a pneumatic control connecting device of honing instrument, including the tool overcoat, a piston, the compression spring, dabber feeding piece and shut down detection mechanism, the upper end of tool overcoat has host computer connection structure, be used for equipment host computer connection, the lower extreme of tool overcoat has honing instrument body connection structure, be used for being connected with honing instrument body, still have pneumatic input interface on the tool overcoat, the piston, compression spring and dabber feeding piece set up in the tool overcoat from top to bottom, pneumatic input interface is used for being connected with the air supply device, pneumatic input interface communicates with each other with the inner chamber of tool overcoat, the air supply device compresses compression spring through gas drive piston, compression spring promotes dabber feeding piece decline, advance the dabber of honing instrument body who connects on honing instrument body connection structure.
Further defined, the pneumatic control connecting device of the honing tool further comprises a stop detection mechanism, 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 or not 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 position of the stop zero point up and down.
A pneumatic control honing tool comprises a honing tool body, the pneumatic control connecting device of the honing tool and an air source device, wherein the honing tool body is arranged 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 connection structure is a self-centering honing tool body connection structure.
Further limited, the position sensor is provided with a sensing point C and a sensing point D which are positioned in the tool outer sleeve, wherein the sensing point C is a stop zero point, when the sensing point C and the sensing point D are close to or contact with each other, the position sensor sends a stop signal, the stop zero point position adjusting mechanism comprises an installation seat, an adjusting screw and a fine adjusting nut, the installation seat is arranged on the outer wall of the tool outer sleeve, the adjusting screw and the fine adjusting nut are arranged on the installation seat, the fine adjusting nut is sleeved on the adjusting screw in threaded fit with each other, the adjusting screw is provided with a stretching arm, the stretching arm penetrates through an opening in the tool outer sleeve to enter the inside of the tool outer sleeve, the rotation adjusting action of the fine adjusting nut drives the adjusting screw to lift up and down, the lifting of the adjusting screw drives the stretching arm to lift up and down, the sensing point C of the position sensor is arranged on the stretching arm, and the sensing point D is arranged on the mandrel feeding piece.
The air source device comprises an air source input port, an air pressure regulating valve, an air source stop valve and an electromagnetic valve, wherein the air source input port is used for being connected with an air source, the air source stop valve, the air pressure regulating valve and the electromagnetic valve are connected in series on an air path from the air source input port to a pneumatic input port of the pneumatic control connecting device, the air source stop valve is used for stopping the air path, the air pressure regulating valve is used for regulating air in the air path to a set constant air pressure, the electromagnetic valve is in signal connection with a position sensor of the shutdown detection mechanism, the constant air pressure output by the air pressure regulating valve is output to the pneumatic input port through the electromagnetic valve, and when the position sensor sends a shutdown signal to the electromagnetic valve, the electromagnetic valve is switched to a pressure relief state, and the pneumatic input port is relieved through the electromagnetic valve.
Further limited, the host connection structure comprises a host connection shaft and an upper end cover, the host connection shaft is inserted at the upper end of the tool outer sleeve through the upper end cover, the piston is sleeved on the insertion end of the host connection shaft, the bottom of the insertion end of the host connection shaft is provided with a push rod inner hole, the mandrel feeding piece comprises a push rod and a push rod outer pressing ring, the push rod is arranged in the push rod inner hole, the push rod outer pressing ring is sleeved on the host connection shaft, the host connection shaft is provided with a pin sliding groove, the push rod outer pressing ring and the push rod are connected through a push rod pin penetrating through the pin sliding groove, the pressurizing spring is sleeved on the host connection shaft, and the pressurizing spring is positioned between the piston and the push rod outer pressing ring.
The honing tool body connecting structure is characterized by further comprising an upper connecting sleeve, an intermediate connecting sleeve and a lower connecting sleeve, wherein the upper connecting sleeve is horizontally and slidably connected with the intermediate connecting sleeve, the intermediate connecting sleeve is horizontally and slidably connected with the lower connecting sleeve, the horizontal sliding direction between the upper connecting sleeve and the intermediate connecting sleeve is vertical to the horizontal sliding direction between the intermediate connecting sleeve and the lower connecting sleeve, the upper connecting sleeve and the intermediate connecting sleeve are reset through an elastic reset part after horizontally sliding, the intermediate connecting sleeve and the lower connecting sleeve are reset through an elastic reset part after horizontally sliding, the honing tool body is arranged at the lower end of the lower connecting sleeve, the upper connecting sleeve, the intermediate connecting sleeve and the lower connecting sleeve are horizontally and slidably connected through a chute at the end part and a sliding block embedded in the chute, the upper connecting sleeve, the intermediate connecting sleeve and the lower connecting sleeve are positioned in a tool jacket, or a protective sleeve connected at the lower end of the tool jacket, the upper connecting sleeve is fixed on the tool jacket, the protective sleeve or a host connecting shaft, and a mandrel of the honing tool body penetrates through the inner holes of the upper connecting sleeve, the intermediate connecting sleeve and the lower connecting sleeve to be contacted with the mandrel, and the tool body is internally provided with a reset spring for driving the mandrel to reset.
Further defined for use with a numerically controlled lathe, the pneumatically controlled honing tool is attached to a tool holder library of the numerically controlled lathe.
Further defined, the position sensor is a proximity switch, and a lock 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 beneficial effects of the invention are as follows: the honing device can be arranged on a numerical control machining center or a grinding machine to finish ultra-precision hole machining, the honing pressure is not required to be manually adjusted by stopping machine, and the honing pressure can be adjusted according to the rough honing, the finish honing and the honing quantity in the honing process and the honing pressure in the operation process.
Meanwhile, the honing machine can automatically stop when honing to the required size, so that the out-of-tolerance honing is avoided, and the honing process flow is simplified.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description;
figure 1 is a schematic view of the structure of the pneumatically controlled honing tool of this invention;
figure 2 is a view of the use of the pneumatically controlled honing tool of this invention;
FIG. 3 is an enlarged view at E of FIG. 1;
In the figure, 1a tool housing, 2a piston, 3a compression spring, 4a honing tool body, 4-1 a mandrel, 4-2 a mandrel return spring, 5a pneumatic input interface, 6 a mounting seat, 7 a set screw, 7-1 a projecting arm, 8 a trim nut, 9 a gas source input port, 10a gas pressure regulating valve, 11 a gas source stop valve, 12 a solenoid valve, 13 a host connecting shaft, 14 a top end cap, 15 a ram, 16 a ram outer pressing ring, 17 a ram pin, 18 an upper connecting sleeve, 19 a middle connecting sleeve, 20 a lower connecting sleeve, 21 a resilient return member, 22 a protective sleeve, 23 a tool holder library, 24 a locking nut, 25 a tool locking screw sleeve, 26 a device locking screw sleeve, 27 a workpiece.
Detailed Description
The pneumatic control connecting device of the honing tool comprises a tool outer sleeve 1, a piston 2, a pressurizing spring 3, a mandrel feeding piece and a stop detection mechanism, wherein the upper end of the tool outer sleeve 1 is provided with a host connecting structure and is used for being connected with a host of equipment, the lower end of the tool outer sleeve 1 is provided with a honing tool body connecting structure and is used for being connected with a honing tool body 4, the tool outer sleeve 1 is also provided with a pneumatic input interface 5, the piston 2, the pressurizing spring 3 and the mandrel feeding piece are arranged in the tool outer sleeve 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 the inner cavity of the tool outer sleeve 1, the air source device compresses the pressurizing spring 3 through air, the pressurizing spring 3 pushes the mandrel feeding piece to descend, the honing tool body 4-1 connected to the honing tool body connecting structure is fed, 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, and when the mandrel feeding piece descends to the stop zero point, the position sensor sends a stop signal to control the air source device, and the stop zero position adjusting mechanism is used for releasing the stop zero point from top to bottom.
As shown in fig. 1, 2 and 3, a pneumatic control honing tool comprises a honing tool body 4, the pneumatic control connecting device of the honing tool, and an air source device, wherein the honing tool body 4 is arranged 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 aperture size of the machined 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, an intermediate connecting sleeve 19 and a lower connecting sleeve 20, wherein the upper connecting sleeve 18 and the intermediate connecting sleeve 19 are horizontally connected in a sliding manner, the intermediate connecting sleeve 19 and the lower connecting sleeve 20 are horizontally connected in a sliding manner, the horizontal sliding direction between the upper connecting sleeve 18 and the intermediate connecting sleeve 19 is vertical to the horizontal sliding direction between the intermediate connecting sleeve 19 and the lower connecting sleeve 20, the upper connecting sleeve 18 and the intermediate connecting sleeve 19 are reset through an elastic reset part 21 after horizontally sliding, the intermediate connecting sleeve 19 and the lower connecting sleeve 20 are reset through another elastic reset 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, the intermediate connecting sleeve 19 and the lower connecting sleeve 20 are horizontally connected through sliding grooves at the end parts and sliding blocks embedded in the sliding grooves, the upper connecting sleeve 18, the intermediate connecting sleeve 19 and the lower connecting sleeve 20 are positioned in a tool sleeve 1 or in a protective sleeve 22 connected at the lower end of the tool sleeve 1, the upper connecting sleeve 18 is fixed on the tool sleeve 1, the protective sleeve 22 or a host connecting shaft 13, the connecting sleeve 4-1 penetrates through the upper connecting sleeve 18, the intermediate connecting sleeve 19 and the lower connecting sleeve 20, and is in contact with the honing tool body 4-4 through the upper connecting sleeve and the lower connecting sleeve 20, and the honing tool body 4-4 is in contact with the elastic reset mandrel, and the elastic reset mandrel 4-4 is used for driving the honing tool body 4. The elastic restoring member 21 is specifically an O-shaped rubber seal ring. The honing tool body 4 is mounted at the lower end of the lower connecting sleeve 20 in a specific structure: the honing tool body is provided with a locking ring, and is locked in the clamping hole of the lower connecting sleeve 20 through the locking ring and the honing tool locking screw sleeve sleeved on the lower connecting sleeve 20.
The automatic control device is characterized by comprising 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 and the sensing 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 outer sleeve 1, the adjusting screw 7 and the fine adjusting nut 8 are arranged on the installation seat 6, the fine adjusting nut 8 is sleeved on the adjusting screw 7 and in threaded fit with each other, and the automatic control device is specifically arranged in a mode that a vertical screw through hole and a nut groove of the vertical screw through hole are formed in the installation seat 6, 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 lift up and down by the rotation adjusting action of the fine adjusting nut 8, the telescopic arm is driven to lift up and down by the lifting 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. The adjusting screw 7 of the stop zero position adjusting mechanism is screwed with a locking nut 24 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 a proximity switch body and a sensing piece matched with the proximity switch body respectively, if the proximity switch is a Hall proximity switch, the Hall proximity switch body and the magnetic steel are arranged on the extending arm 7-1 and the mandrel feeding piece as the sensing point C and the sensing point D respectively. Of course, depending on the type of proximity switch, the projecting 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 also be a contact type, such as a travel switch, where the travel switch body serves as one sensing point, and the extension arm 7-1 or the mandrel feeder itself serves as another sensing point, and the position sensing is achieved by pressing or contacting. The particular choice of position sensor may be selected in the art in accordance with the present principles and actual needs.
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, 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 electromagnetic valve 12 are connected in series on an air path from the air source input port 9 to the 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 connected with a position sensor signal of a stop 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 stop signal to the electromagnetic valve 12, the electromagnetic valve 12 is switched to a pressure release state, and the pneumatic input interface 5 releases pressure through the electromagnetic valve 12. The electromagnetic valve 12 is specifically a two-position three-way electromagnetic valve.
The host connecting structure comprises a host connecting shaft 13 and an upper end cover 14, wherein the host 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 host connecting shaft 13, and the bottom of the insertion end of the host connecting shaft 13 is provided with an ejector rod inner hole. The inner and outer rings of the piston 2 are airtight through 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 and the mandrel 15 are connected 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 sensing point D is located on the ejector pin outer pressing ring 16.
The pneumatic control honing tool can be used for a numerical control lathe, 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 on the tool rest base 23 through the locking ring and a device locking screw sleeve sleeved on the tool rest base 23.
The pneumatically controlled honing tool can also be used for grinding machines.
The pneumatic control honing tool has a self-centering full-floating function through the self-centering honing tool body connecting structure, so that a machined part only needs to be fixedly clamped by a lathe, the horizontal honing machine is not required to float when honing the machined part, the machine halt detection mechanism can automatically halt when honing to a required size, out-of-tolerance honing is avoided, and the honing process is simplified.
The whole working process and principle are as follows:
(1) Setting a cutter;
(1.1) loosening the lock nut 24 to the uppermost position;
(1.2) adjusting the fine adjustment nut 8 to enable the adjusting screw 7 to drive the projecting arm 7-1 and the sensing point C of the position sensor on the projecting arm 7-1 to descend to the lowest position;
(1.3) placing the middle portion of the honing stick on the honing head of the honing tool body 4 into the inner hole of the inspection ring gauge;
(1.4) slowly opening the air source stop valve 11, and regulating the air pressure regulating valve 10 to enable the pressure to be about 0.1 MPa-0.2 MPa and be larger than the pressure of the mandrel return spring 4-2, wherein the honing strip is attached to the inner hole of the detection ring gauge;
(1.5) adjusting the fine adjustment nut 8 to enable the sensing point C of the position sensor to sense the sensing point D of the position sensor and send out a stop signal, opening the electromagnetic valve 12 to enable the air inlet of the point A to be changed into pressure relief, retracting the piston 2, retracting the ejector rod 15, the ejector rod outer pressing ring 16 and the sensing point D of the position sensor, locking the locking nut 24, taking down the detection ring gauge, completing tool setting, closing the air source stop valve 11, and finally officially honing the workpiece 27;
(2) Starting the numerical control lathe to enable the honing head of the honing tool body 4 to enter a hole to be honed, and performing a few reciprocating motions easily without any clamping direction;
(3) Connecting 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 regulated to enable the pressure to be proper, the air pressure can be larger during rough honing, the air pressure can be smaller during finish honing, and the specific pressure is determined according to the actual use condition and is not discussed in detail herein;
(5) When honing to the required size, the sensing point C of the position sensor senses the sensing point D of the position sensor and sends out a stop signal, the electromagnetic valve 12 is opened to enable the air inlet of the point A to be changed into pressure relief, the piston 2 is retracted, the ejector rod 15, the ejector rod outer pressing ring 16 and the sensing point D of the position sensor are also retracted, the honing strip is retracted to the origin, an indicator lamp can be designed to be turned on to remind a worker, the air source stop valve 11 is closed, the tool rest library 23 of the numerical control lathe is retracted to the origin, the workpiece 27 stops rotating, size detection is carried out, if the honing size is in place, the honing process is completed, if the honing size deviation is smaller, honing is carried out for several times according to experience after the sensing point C is reduced, if the honing size deviation is larger, the tool setting can be repeated.
Claims (9)
1. A pneumatic control connection device for honing tools, characterized by: comprises a tool jacket (1), a piston (2), a pressurizing spring (3) and a mandrel feeding piece, wherein the upper end of the tool jacket (1) is provided with a host machine connecting structure for equipment host machine connection, 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 piece are arranged in the tool outer sleeve (1) from top to bottom, the pneumatic input interface (5) is used for being connected with the air source device, the pneumatic input interface (5) is communicated with the inner cavity of the tool outer sleeve (1), the air source device compresses the pressurizing spring (3) through the air driving piston (2), and the pressurizing spring (3) pushes the mandrel feeding piece to descend so as to feed the mandrel (4-1) of the honing tool body (4) connected to the honing tool body connecting structure;
the machine also comprises a stop detection mechanism, 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 or not 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,
The stop zero position adjusting mechanism is used for adjusting the position of the stop zero up and down.
2. A pneumatically controlled honing tool, characterized by: comprising a honing tool body (4), a pneumatic control connection device for a honing tool as claimed in claim 1 and an air source 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).
3. A pneumatically controlled honing tool as claimed in claim 2, characterized by: the honing tool body connecting structure is a self-centering honing tool body connecting structure.
4. A pneumatically controlled honing tool as claimed in claim 2, characterized by: 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, and when the sensing point C and the sensing point D are close to or contacted with each other, the position sensor sends out a stop signal,
The machine halt zero position adjusting mechanism comprises an installing seat (6), an adjusting screw (7) and a fine adjusting nut (8), wherein the installing 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 installing 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 inside of the tool outer sleeve (1), the adjusting screw (7) is driven to lift up and down by rotating and adjusting the fine adjusting nut (8), the lifting of the adjusting screw (7) drives the telescopic arm to lift up and down, a sensing point C of the position sensor is arranged on the extending arm (7-1), and a sensing point D is arranged on a mandrel feeding piece.
5. A pneumatically controlled honing tool as claimed in claim 2, characterized by: 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), 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 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 a set constant air pressure, the electromagnetic valve (12) is connected with a position sensor signal of a stop 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 stop signal to the electromagnetic valve (12), the electromagnetic valve (12) is switched to a pressure release state, and the pneumatic input interface (5) is depressurized through the electromagnetic valve (12).
6. A pneumatically controlled honing tool as claimed in claim 2, characterized by: the host connecting structure comprises a host connecting shaft (13) and an upper end cover (14), the host connecting shaft (13) is inserted at the upper end of the tool jacket (1) through the upper end cover (14),
The piston (2) is sleeved on the insertion end of the host connecting shaft (13), the bottom of the insertion end of the host connecting shaft (13) is provided with an ejector rod inner hole,
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 arranged on 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,
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).
7. A pneumatically controlled honing tool as claimed in claim 6, characterized by: 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), an intermediate connecting sleeve (19) and a lower connecting sleeve (20), the upper connecting sleeve (18) and the intermediate connecting sleeve (19) are horizontally connected in a sliding manner, the intermediate connecting sleeve (19) and the lower connecting sleeve (20) are horizontally connected in a sliding manner, the horizontal sliding direction between the upper connecting sleeve (18) and the intermediate connecting sleeve (19) is vertical to the horizontal sliding direction between the intermediate connecting sleeve (19) and the lower connecting sleeve (20), the upper connecting sleeve (18) and the intermediate connecting sleeve (19) are reset through an elastic reset part (21) after horizontally sliding, the intermediate connecting sleeve (19) and the lower connecting sleeve (20) are reset through the elastic reset part (21) after horizontally sliding, the 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 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 outer sleeve (1) or positioned in the protecting sleeve (22) connected with the lower end of the tool outer sleeve (1),
The upper connecting sleeve (18) is fixed on the tool outer sleeve (1), the protecting sleeve (22) or the host connecting shaft (13),
The 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),
The honing tool body (4) is internally provided with a mandrel reset spring (4-2) for driving the mandrel (4-1) to reset.
8. A pneumatically controlled honing tool as claimed in claim 2, characterized by: the pneumatic control honing tool is used for a numerical control lathe and is connected to a tool rest base (23) of the numerical control lathe.
9. A pneumatically controlled honing tool as claimed in claim 4, characterized by: the position sensor is specifically a proximity switch,
The adjusting screw (7) of the stop zero position adjusting mechanism is screwed with a locking nut (24) for locking the adjusting screw (7) on the mounting seat (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011277366.5A CN113199389B (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 |
|---|---|---|---|
| CN202011277366.5A CN113199389B (en) | 2020-11-16 | 2020-11-16 | Pneumatic control connecting device of honing tool and honing tool |
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| Publication Number | Publication Date |
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| CN113199389A CN113199389A (en) | 2021-08-03 |
| CN113199389B true CN113199389B (en) | 2024-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011277366.5A Active CN113199389B (en) | 2020-11-16 | 2020-11-16 | Pneumatic control connecting device of honing tool and honing tool |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114670068A (en) * | 2022-04-08 | 2022-06-28 | 索菲丝智能科技(上海)有限公司 | Inner hole polishing device and polishing equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015332A (en) * | 2018-08-03 | 2018-12-18 | 常州凯瑞莱精密工具有限公司 | Self-centering multipurpose hone |
| CN210938721U (en) * | 2019-11-26 | 2020-07-07 | 武汉市精华减速机制造有限公司 | Upper coarse and fine composite honing head for vertical machining center |
| CN213889540U (en) * | 2020-11-16 | 2021-08-06 | 常州凯瑞莱精密工具有限公司 | Pneumatic control connecting device of honing tool and honing tool |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB693812A (en) * | 1950-12-13 | 1953-07-08 | Mid West Abrasive Co | Honing tool with gage |
| CN1145840A (en) * | 1995-09-14 | 1997-03-26 | 邵文远 | Integrated machining center |
| CN102528635B (en) * | 2011-12-30 | 2014-05-21 | 宁波市北仑恒铁机电制造有限公司 | Horizontal honing machine with intelligent control system |
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2020
- 2020-11-16 CN CN202011277366.5A patent/CN113199389B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109015332A (en) * | 2018-08-03 | 2018-12-18 | 常州凯瑞莱精密工具有限公司 | Self-centering multipurpose hone |
| CN210938721U (en) * | 2019-11-26 | 2020-07-07 | 武汉市精华减速机制造有限公司 | Upper coarse and fine composite honing head for vertical machining center |
| CN213889540U (en) * | 2020-11-16 | 2021-08-06 | 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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