CN218904480U - Boring cutter seat - Google Patents
Boring cutter seat Download PDFInfo
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- CN218904480U CN218904480U CN202122630713.4U CN202122630713U CN218904480U CN 218904480 U CN218904480 U CN 218904480U CN 202122630713 U CN202122630713 U CN 202122630713U CN 218904480 U CN218904480 U CN 218904480U
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- control device
- adjusting guide
- electronic ruler
- cutter
- guide rail
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Drilling And Boring (AREA)
Abstract
The utility model relates to a boring cutter seat, which comprises a main shaft connecting piece, a cutter seat for installing a cutter, a shell, at least one adjusting guide rail, a control device, a first signal receiver and a power supply, wherein the shell is installed on the main shaft connecting piece; an automatic adjusting mechanism capable of automatically adjusting the position of the cutter seat on the adjusting guide rail is arranged in the shell and is electrically connected with a control signal output end corresponding to the control device; the first signal receiver is electrically connected with a signal input end corresponding to the control device; the power supply supplies power to the control device, the first signal receiver and the automatic regulating mechanism. The boring cutter holder can automatically adjust the feeding amount of the cutter in a non-stop state, is accurate and convenient to adjust, and is beneficial to improving the working efficiency and the qualification rate of machined parts.
Description
Technical Field
The utility model relates to a metal processing tool, in particular to a boring cutter seat.
Background
The boring cutter is one of boring cutters, is generally a round handle, and also has a square cutter bar for a larger workpiece, and the most common occasions are inner hole machining, reaming, profiling and the like. There are one or two cutting portions, tools dedicated to roughing, semi-finishing or finishing an existing hole.
The boring tool generally comprises a boring tool holder and a tool, the tool is arranged on the boring tool holder, a spindle connecting piece is arranged on the boring tool holder, the boring tool holder is arranged on a machine tool spindle through the spindle connecting piece, the boring tool holder and the tool are driven to rotate together when the machine tool spindle rotates, and the tool is used for boring a workpiece.
When the boring tool bores a workpiece, the feeding amount of the tool is required to be adjusted to machine a hole with a required radius, but the existing boring tool holder is inconvenient to adjust the tool in the boring process, the feeding amount of the tool cannot be well adjusted, the boring tool is required to be withdrawn from a workpiece and stopped during adjustment, the position of the tool on the boring tool holder is manually adjusted, the feeding amount is adjusted, and the boring processing of the next step is performed after the adjustment is completed. The boring precision is easy to be insufficient, the produced machined part is unqualified, and the machine is stopped when the feeding amount of the cutter is adjusted every time, so that the machining time of the machined part is increased, and the working efficiency is reduced.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide the boring cutter seat, which can automatically adjust the feeding amount of the cutter in a non-stop state, is accurate and convenient to adjust, and is beneficial to improving the working efficiency and the qualification rate of workpieces. The technical scheme adopted is as follows:
the utility model provides a boring tool holder, includes main shaft connecting piece and is used for installing the cutter holder of cutter, its characterized in that: the tool seat is arranged on the adjusting guide rail and is in sliding fit with the adjusting guide rail; the control device and the power supply are both arranged in the shell, an automatic adjusting mechanism capable of automatically adjusting the position of the cutter seat on the adjusting guide rail is arranged in the shell, and the automatic adjusting mechanism is electrically connected with a control signal output end corresponding to the control device; the first signal receiver is electrically connected with a signal input end corresponding to the control device; the power supply supplies power to the control device, the first signal receiver and the automatic regulating mechanism.
Generally, the boring tool holder is fixedly mounted on a spindle of a machine tool through a spindle connector, and the tool is fixedly mounted on the tool holder (normally, the spindle connector is coaxially connected with the spindle, and the tool is arranged along the radial direction of the spindle connector); a first signal transmitter matched with the first signal receiver is arranged in a main control device (such as a CNC system or a PLC controller) of the machine tool.
Before boring, an operator can input the feed amount adjusting value of the cutter in the boring process into a main control device (such as a CNC system or a PLC) of the machine tool in advance according to actual production requirements. When boring, the main shaft connecting piece is driven by the main shaft of the machine tool to continuously rotate, the cutter is driven by the shell, the adjusting guide rail and the cutter seat to continuously rotate around the main shaft connecting piece, and the cutter is used for boring a workpiece; the main control device of the machine tool can send the information of the feeding amount adjusting value through the first signal transmitter in the boring process; the first signal receiver is transmitted to the control device after receiving, the control device receives the control signal and controls the automatic adjusting mechanism to act according to the control signal, so that the cutter seat and the cutter on the cutter seat slide along the adjusting guide rail, automatic adjustment of the feeding amount of the cutter is realized under the state that the machine tool is not stopped, and the adjustment is accurate and convenient, thereby being beneficial to improving the working efficiency and the qualification rate of workpieces. The boring tool holder can be applied to boring cylindrical holes, and boring taper holes or other special-shaped holes (the special-shaped holes refer to holes with inner walls of the holes being revolution surfaces and different inner diameters of all parts).
The control device can adopt a PLC controller or a singlechip. The power supply can adopt a battery.
In a specific scheme, the number of the adjusting guide rails is two, and the two adjusting guide rails are symmetrically arranged on two sides of the axis of the main shaft connecting piece.
In a preferred scheme, the automatic adjusting mechanism comprises a driving motor, a speed reducer, a transmission shaft and an eccentric wheel, wherein the transmission shaft is rotatably arranged in the shell, and the axis of the transmission shaft is coincident with or parallel to the axis of the main shaft connecting piece; the driving motor and the speed reducer are both arranged in the shell, an output shaft of the driving motor is in transmission connection with the transmission shaft through the speed reducer, and the driving motor is electrically connected with a control signal output end corresponding to the control device; the cutter seat is provided with an adjusting guide groove, the eccentric wheel is fixedly arranged on the transmission shaft and is arranged in the adjusting guide groove, and the profile of the eccentric wheel is matched with two groove walls of the adjusting guide groove. Typically, the drive motor is a stepper motor or a servo motor. When boring is carried out, the driving motor drives the transmission shaft to rotate through the speed reducer according to a control signal sent by the control device, drives the eccentric wheel to rotate around the transmission shaft for a certain degree, and drives the cutter seat and the cutter on the cutter seat to slide to a target position along the adjusting guide rail through the matching between the outline of the eccentric wheel and two groove walls of the adjusting guide groove, so that the feeding quantity of the cutter is automatically adjusted.
In a more preferable scheme, the adjusting guide groove is a bar-shaped groove perpendicular to the adjusting guide rail, and two groove walls of the adjusting guide groove are parallel to each other.
In a more preferable scheme, a transmission bearing is arranged on the peripheral surface of the eccentric wheel, and the outer ring of the transmission bearing is in rolling fit with the two groove walls of the adjusting guide groove. By adopting the structure, the transmission bearing can effectively reduce the resistance of the two groove walls of the adjusting guide groove to the eccentric wheel, and ensure that the cutter seat does not influence the rotation of the eccentric wheel.
In a more preferred scheme, the automatic adjusting mechanism further comprises a second signal transmitter and an electronic ruler (also called a linear displacement sensor) for detecting the displacement of the cutter seat on the adjusting guide rail, the electronic ruler is electrically connected with a signal input end corresponding to the control device, and the second signal transmitter is electrically connected with a signal output end corresponding to the control device. Correspondingly, the main control device of the machine tool is provided with a second signal receiver matched with the second signal transmitter. When the cutter seat slides along the adjusting guide rail under the drive of the eccentric wheel, the electronic ruler measures the actual displacement value of the cutter seat sliding along the adjusting guide rail and feeds back the actual displacement value to the control device, the control device compares the actual displacement value with a preset feeding amount adjusting value until the driving motor is controlled to be suspended to suspend the eccentric wheel to rotate when the actual displacement value measured by the electronic ruler is the same as the preset feeding amount adjusting value, so that the cutter seat stays at the corresponding position of the adjusting guide rail, real-time closed-loop control of the feeding amount adjusting value of a cutter in the boring process can be realized, and the position deviation of the cutter caused by the rotary centrifugal force of the cutter can be compensated in real time; meanwhile, the control device sends the actual displacement value measured by the electronic ruler to the main control device of the machine tool through the second signal transmitter, and the main control device can recheck the comparison result of the control device, so that the accuracy of the feeding quantity is further ensured. In addition, the main control device displays the feeding quantity value in real time through the display device so that operators can check the feeding quantity value at any time. In a specific scheme, the electronic ruler adopts a sliding block type electronic ruler, the sliding block type electronic ruler comprises an electronic ruler main body and a reading head capable of sliding along the length direction of the electronic ruler main body, the electronic ruler main body is fixedly arranged on a cutter seat and is parallel to an adjusting guide rail, the reading head is fixedly arranged in a shell, and the reading head is electrically connected with a corresponding signal input end of a control device.
The first signal transmitter and the second signal transmitter can be radio signal transmitters or infrared transmitters, and the first signal receiver and the second signal receiver can be radio signal receivers or infrared receivers.
In another preferred scheme, the automatic adjusting mechanism comprises a driving motor, a speed reducer, a transmission shaft, a transmission gear and a transmission rack, wherein the transmission shaft is rotatably arranged in the shell, and the axis of the transmission shaft is coincident with or parallel to the axis of the main shaft connecting piece; the driving motor is arranged in the shell, an output shaft of the driving motor is in transmission connection with the transmission shaft through the speed reducer, and the driving motor is electrically connected with a control signal output end corresponding to the control device; the transmission rack is arranged on the cutter seat and is parallel to the adjusting guide rail; the transmission gear is arranged on the transmission shaft and meshed with the transmission rack. Typically, the drive motor is a stepper motor or a servo motor. When boring, an operator inputs the feed quantity adjusting value of the cutter to be adjusted into the control device, the control device controls the driving motor to drive the transmission shaft through the speed reducer, the transmission gear is driven to rotate around the transmission shaft for a certain degree, and the cutter seat and the cutter on the cutter seat are driven to slide along the adjusting guide rail for a certain distance through the transmission rack, so that the feed quantity of the cutter is automatically adjusted.
In a more preferred scheme, the automatic adjusting mechanism further comprises a second signal transmitter and an electronic ruler (also called a linear displacement sensor) for detecting the displacement of the cutter seat on the adjusting guide rail, the electronic ruler is electrically connected with a signal input end corresponding to the control device, and the second signal transmitter is electrically connected with a signal output end corresponding to the control device. Correspondingly, the main control device of the machine tool is provided with a second signal receiver matched with the second signal transmitter. When the cutter seat slides along the adjusting guide rail under the drive of the transmission gear and the transmission rack, the electronic ruler measures the actual displacement value of the cutter seat sliding along the adjusting guide rail and feeds back the actual displacement value to the control device, the control device transmits the actual displacement value measured by the electronic ruler to the main control device of the machine tool through the second signal transmitter, the main control device of the machine tool compares the actual displacement value with a preset feeding amount adjusting value until the actual displacement value measured by the electronic ruler is the same as the preset feeding amount adjusting value, the main control device of the machine tool transmits the actual displacement value to the control device through the first signal transmitter, and the control device controls the driving motor to pause to enable the transmission gear to pause rotating, so that the cutter seat stays at the corresponding position of the adjusting guide rail; in this way, a real-time closed-loop control of the feed adjustment value of the tool during boring can be achieved and the tool position offset due to the rotational centrifugal force of the tool can be compensated in real time. In a specific scheme, the electronic ruler adopts a sliding block type electronic ruler, the sliding block type electronic ruler comprises an electronic ruler main body and a reading head capable of sliding along the length direction of the electronic ruler main body, the electronic ruler main body is fixedly arranged on a cutter seat and is parallel to an adjusting guide rail, the reading head is fixedly arranged in a shell, and the reading head is electrically connected with a corresponding signal input end of a control device.
The first signal transmitter and the second signal transmitter can be radio signal transmitters or infrared transmitters, and the first signal receiver and the second signal receiver can be radio signal receivers or infrared receivers.
After the boring tool holder is provided with the tool, the spindle connecting piece is driven by the spindle of the machine tool to continuously rotate during boring, and the tool is driven by the shell, the adjusting guide rail and the tool holder to continuously rotate around the spindle connecting piece, so that a machined part is bored by the tool; the main control device of the machine tool can send the information of the feeding amount adjusting value through the first signal transmitter in the boring process; the first signal receiver is transmitted to the control device after receiving, the control device receives the control signal and controls the automatic adjusting mechanism to act according to the control signal, so that the cutter seat and the cutter on the cutter seat slide along the adjusting guide rail, automatic adjustment of the feeding amount of the cutter is realized under the state that the machine tool is not stopped, and the adjustment is accurate and convenient, thereby being beneficial to improving the working efficiency and the qualification rate of workpieces. The boring tool holder can be applied to boring cylindrical holes, and boring taper holes or other special-shaped holes (the special-shaped holes refer to holes with inner walls of the holes being revolution surfaces and different inner diameters of all parts).
Drawings
FIG. 1 is a schematic view of the boring tool holder according to the preferred embodiment of the present utility model.
Fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 is a schematic view of the automatic adjustment mechanism in the boring tool holder of fig. 1.
Fig. 4 is a logic block diagram of the interior of the boring tool holder of fig. 1.
Detailed Description
As shown in fig. 1-3, the boring tool holder comprises a main shaft connecting piece 1, a tool holder 2 for mounting a tool, a housing 3, a control device 4, at least one adjusting guide rail 5, a first signal receiver 7 and a power supply (not shown in the drawings), wherein the housing 3 is mounted on the main shaft connecting piece 1, the adjusting guide rail 5 is mounted on the housing 3 and is mutually perpendicular to the axis of the main shaft connecting piece 1, and the tool holder 2 is mounted on the adjusting guide rail 5 and is in sliding fit with the adjusting guide rail 5; the control device 4 and the power supply are both arranged in the shell 3, an automatic adjusting mechanism 6 capable of automatically adjusting the position of the cutter seat 2 on the adjusting guide rail 5 is arranged in the shell 3, the automatic adjusting mechanism 6 comprises a driving motor 61, a speed reducer 62, a transmission shaft 63 and an eccentric wheel 64, the transmission shaft 63 is rotatably arranged in the shell 3, and the axis of the transmission shaft 63 is parallel to the axis of the main shaft connecting piece 1; the driving motor 61 and the speed reducer 62 are both arranged in the shell 3, and an output shaft of the driving motor 61 is in transmission connection with the transmission shaft 63 through the speed reducer 62; the cutter seat 2 is provided with an adjusting guide groove 21; the eccentric wheel 64 is fixedly arranged on the transmission shaft 63 and is positioned in the adjusting guide groove 21, and the outline of the eccentric wheel 64 is matched with two groove walls of the adjusting guide groove 21; the driving motor 61 is electrically connected with a corresponding control signal output end of the control device 4; the first signal receiver 7 is electrically connected with a corresponding signal input terminal of the control device 4, and the power supply supplies power to the control device 4, the first signal receiver 7 and the driving motor 61.
In this embodiment, the control device 4 adopts a PLC controller or a single chip microcomputer; the driving motor 61 is a stepping motor or a servo motor; the power supply adopts a battery.
In this embodiment, the number of the adjusting guide rails 5 is two, the two adjusting guide rails 5 are symmetrically arranged at two sides of the axis of the spindle connecting piece 1, the adjusting guide groove 21 is a bar-shaped groove perpendicular to the adjusting guide rails 5, and two groove walls of the adjusting guide groove 21 are parallel to each other; the outer peripheral surface of the eccentric wheel 64 is provided with a transmission bearing 65, and the outer ring of the transmission bearing 65 is in rolling fit with the two groove walls of the adjusting guide groove 21. With this structure, the transmission bearing 65 can effectively reduce the resistance generated by the two groove walls of the adjusting guide groove 21 to the eccentric wheel 64, and ensure that the tool holder 2 does not affect the rotation of the eccentric wheel 64.
In this embodiment, the automatic adjusting mechanism 6 further includes a second signal transmitter 66 and an electronic scale 67 (e.g. a grating scale) for detecting the displacement of the tool holder 2 on the adjusting guide rail 5, where the electronic scale 67 is electrically connected to a signal input terminal corresponding to the control device 4, and the second signal transmitter 66 is electrically connected to a signal output terminal corresponding to the control device 4.
The working principle of the boring cutter holder is briefly described below:
the boring tool holder is fixedly arranged on a main shaft of a machine tool through a main shaft connecting piece 1, and a tool is fixedly arranged on a tool holder 2 (normally, the main shaft connecting piece 1 is coaxially connected with the main shaft, and the tool is arranged along the radial direction of the main shaft connecting piece 1); a first signal transmitter matched with the first signal receiver 7 and a second signal receiver matched with the second signal transmitter 66 are arranged in a main control device (the main control device can adopt a CNC system or a PLC controller) of the machine tool.
Before boring, an operator can input a feed amount adjusting value of the cutter in the boring process into a main control device of the machine tool in advance according to actual production requirements. When boring is carried out, the spindle connecting piece 1 is driven by the spindle of the machine tool to continuously rotate, and the cutter is driven by the shell 3, the adjusting guide rail 5 and the cutter seat 2 to continuously rotate around the spindle connecting piece 1, so that a machined part is bored by the cutter; in the boring process, a main control device of the machine tool sends feed quantity regulating value information through a first signal transmitter, a first signal receiver 7 receives the feed quantity regulating value information and then transmits the feed quantity regulating value information to a control device 4, the control device 4 receives a control signal and controls a driving motor 61 to act according to the control signal and an electronic ruler 67 feedback signal, the driving motor 61 drives a transmission shaft 63 to rotate through a speed reducer 62 to drive an eccentric wheel 64 to rotate around the transmission shaft 63 for a certain degree, the profile of the eccentric wheel 64 is matched with two groove walls of a regulating guide groove 21 through a transmission bearing 65, so that a cutter seat 2 and a cutter on the cutter seat slide along two regulating guide rails 5 together, in the process, the electronic ruler 67 measures the actual displacement value of the cutter seat 2 sliding along the two regulating guide rails 5 and feeds the actual displacement value back to the control device 4, and the control device 4 compares the actual displacement value with a preset feed quantity regulating value until the actual displacement value measured by the electronic ruler 67 is identical with the preset feed quantity regulating value, the control device 4 controls the driving motor 61 to pause to rotate the eccentric wheel 64 to stop rotating, the cutter seat stays at the corresponding position of the regulating guide rail 5, the cutter seat can realize the cutter seat is stopped at the corresponding position of the centrifugal force regulating guide rail 5, the cutter seat can realize the real-time offset control of the cutter rotating in the process because the cutter rotating in the feed quantity is offset of the rotary quantity of the cutter in real time; meanwhile, the control device 4 sends the actual displacement value measured by the electronic ruler 67 to the main control device of the machine tool through the second signal transmitter 66, and the main control device can check the comparison result of the control device 4, so that the accuracy of the feeding amount is further ensured. In addition, the main control device displays the feeding quantity value in real time through the display device so that operators can check the feeding quantity value at any time.
In addition, it should be noted that, in the specific embodiments described in the present specification, names of various parts and the like may be different, and all equivalent or simple changes of the structures, features and principles described in the conception of the present utility model are included in the protection scope of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a boring tool holder, includes main shaft connecting piece and is used for installing the cutter holder of cutter, its characterized in that: the tool seat is arranged on the adjusting guide rail and is in sliding fit with the adjusting guide rail; the control device and the power supply are both arranged in the shell, an automatic adjusting mechanism capable of automatically adjusting the position of the cutter seat on the adjusting guide rail is arranged in the shell, and the automatic adjusting mechanism is electrically connected with a control signal output end corresponding to the control device; the first signal receiver is electrically connected with a signal input end corresponding to the control device; the power supply supplies power to the control device, the first signal receiver and the automatic regulating mechanism.
2. The boring tool holder of claim 1, wherein: the number of the adjusting guide rails is two, and the two adjusting guide rails are symmetrically arranged on two sides of the axis of the main shaft connecting piece.
3. The boring tool holder of claim 1, wherein: the automatic adjusting mechanism comprises a driving motor, a speed reducer, a transmission shaft and an eccentric wheel, wherein the transmission shaft is rotatably arranged in the shell, and the axis of the transmission shaft is coincident with or parallel to the axis of the main shaft connecting piece; the driving motor and the speed reducer are both arranged in the shell, an output shaft of the driving motor is in transmission connection with the transmission shaft through the speed reducer, and the driving motor is electrically connected with a control signal output end corresponding to the control device; the cutter seat is provided with an adjusting guide groove, the eccentric wheel is fixedly arranged on the transmission shaft and is arranged in the adjusting guide groove, and the profile of the eccentric wheel is matched with two groove walls of the adjusting guide groove.
4. A boring cutter holder according to claim 3, wherein: the adjusting guide groove is a strip-shaped groove which is mutually perpendicular to the adjusting guide rail, and two groove walls of the adjusting guide groove are mutually parallel.
5. A boring cutter holder according to claim 3 or claim 4, wherein: and a transmission bearing is arranged on the peripheral surface of the eccentric wheel, and the outer ring of the transmission bearing is in rolling fit with the two groove walls of the adjusting guide groove.
6. A boring cutter holder according to claim 3, wherein: the automatic adjusting mechanism further comprises a second signal emitter and an electronic ruler for detecting the displacement of the cutter seat on the adjusting guide rail, the electronic ruler is electrically connected with a signal input end corresponding to the control device, and the second signal emitter is electrically connected with a signal output end corresponding to the control device.
7. The boring cutter holder of claim 6, wherein: the electronic ruler adopts a sliding block type electronic ruler, the sliding block type electronic ruler comprises an electronic ruler main body and a reading head capable of sliding along the length direction of the electronic ruler main body, the electronic ruler main body is fixedly arranged on a cutter seat and is parallel to an adjusting guide rail, the reading head is fixedly arranged in a shell, and the reading head is electrically connected with a signal input end corresponding to the control device.
8. The boring tool holder of claim 1, wherein: the automatic adjusting mechanism comprises a driving motor, a speed reducer, a transmission shaft, a transmission gear and a transmission rack, wherein the transmission shaft is rotatably arranged in the shell, and the axis of the transmission shaft is coincident with or parallel to the axis of the main shaft connecting piece; the driving motor is arranged in the shell, an output shaft of the driving motor is in transmission connection with the transmission shaft through the speed reducer, and the driving motor is electrically connected with a control signal output end corresponding to the control device; the transmission rack is arranged on the cutter seat and is parallel to the adjusting guide rail; the transmission gear is arranged on the transmission shaft and meshed with the transmission rack.
9. The boring cutter holder of claim 8, wherein: the automatic adjusting mechanism further comprises a second signal emitter and an electronic ruler for detecting the displacement of the cutter seat on the adjusting guide rail, the electronic ruler is electrically connected with a signal input end corresponding to the control device, and the second signal emitter is electrically connected with a signal output end corresponding to the control device.
10. The boring cutter holder according to claim 9, wherein: the electronic ruler adopts a sliding block type electronic ruler, the sliding block type electronic ruler comprises an electronic ruler main body and a reading head capable of sliding along the length direction of the electronic ruler main body, the electronic ruler main body is fixedly arranged on a cutter seat and is parallel to an adjusting guide rail, the reading head is fixedly arranged in a shell, and the reading head is electrically connected with a signal input end corresponding to the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122630713.4U CN218904480U (en) | 2021-10-30 | 2021-10-30 | Boring cutter seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122630713.4U CN218904480U (en) | 2021-10-30 | 2021-10-30 | Boring cutter seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218904480U true CN218904480U (en) | 2023-04-25 |
Family
ID=86042559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122630713.4U Active CN218904480U (en) | 2021-10-30 | 2021-10-30 | Boring cutter seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218904480U (en) |
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2021
- 2021-10-30 CN CN202122630713.4U patent/CN218904480U/en active Active
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