CN117182125A - Vertical turning and boring compound machine tool - Google Patents
Vertical turning and boring compound machine tool Download PDFInfo
- Publication number
- CN117182125A CN117182125A CN202311340656.3A CN202311340656A CN117182125A CN 117182125 A CN117182125 A CN 117182125A CN 202311340656 A CN202311340656 A CN 202311340656A CN 117182125 A CN117182125 A CN 117182125A
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- spindle
- unidirectional
- brake
- main shaft
- pillow block
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000003491 array Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 239000002184 metal Substances 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The invention discloses a vertical turning and boring compound machine tool, which comprises a base for equipment installation and fixation and a sheet metal frame which is arranged on the periphery above the base and used for protecting the safety of operators, wherein a spindle seat is arranged in the center of the front side above the base, a spindle motor is arranged on the left side of the spindle seat, a spindle rod is rotatably arranged in the spindle seat, a double-shaft transmission seat capable of transmitting on a Z axis and an X axis is arranged in a base area behind the spindle seat, a turning tool rest is arranged on the double-shaft transmission seat, a boring tool rest is arranged on the right side of the turning tool rest, the spindle motor and the spindle rod drive a belt pulley to transmit through a single-wheel driving belt, and the single-wheel and the spindle motor drive through a driving pillow block, so that when the spindle rod is braked in a speed reduction manner, the single-wheel idles on an output shaft of the spindle motor, and the situation that the motor is damaged by instant torsion in emergency stop is effectively avoided.
Description
Technical Field
The invention relates to the field of processing equipment, in particular to a vertical turning and boring compound machine tool.
Background
The vertical turning and boring combined machine tool is an advanced numerical control machine tool, can be used for machining various complex parts, and has the working principle that two working steps of turning and boring are combined on one machine tool, in the machining process, a workpiece is firstly subjected to preliminary machining by using a turning function, then a special boring cutter is arranged on a main shaft, and the boring cutter is used for boring the workpiece, so that the whole machining flow of turning and boring can be completed under the condition of one-time clamping, thereby greatly improving the production efficiency, reducing the production cost and improving the quality of products;
in the prior art, in order to realize multi-working-condition synchronous processing, a machine tool spindle is frequently required to be started and stopped, a motor is adopted by a conventional machine tool to directly drive and control the spindle, when the spindle is processed, the motor body is damaged by the spindle motor in vibration transmission, and meanwhile, when emergency stop occurs, high torque which is stopped instantly can be directly transmitted to an output shaft of the spindle motor, so that the spindle motor is damaged and scrapped.
Disclosure of Invention
The invention aims to solve any one of the problems in the prior art, thereby providing a vertical turning and boring compound machine tool.
In order to achieve the above purpose, the present invention adopts the following technical scheme: a vertical turning and boring compound machine tool comprises a base for equipment installation and fixation and a sheet metal frame arranged on the periphery above the base for protecting safety of operators, a spindle seat is arranged in the center of the front side above the base, a spindle motor is arranged on the left side of the spindle seat, a spindle rod is rotatably arranged in the spindle seat, a double-shaft transmission seat capable of transmitting on a Z axis and an X axis is arranged in a base area behind the spindle seat, a turning tool rest is arranged on the double-shaft transmission seat, a boring tool rest is arranged on the right side of the turning tool frame, the spindle motor and the spindle rod drive a belt pulley to transmit through a one-way wheel driving belt, the one-way wheel and the spindle motor drive a belt pulley through a driving shaft table to realize idle running of the one-way wheel on an output shaft of the spindle motor when the spindle rod is braked in a decelerating manner, a situation of instantaneously twisting the motor is effectively avoided when the spindle rod is stopped suddenly, a brake center shaft is arranged at the bottom of the spindle rod, a brake center shaft is rotatably arranged in a brake flange sleeve in a penetrating manner, a magnetic force of a centering magnet in the brake flange sleeve is lowered when the spindle rod is overloaded to cause excessive temperature rise, a brake center shaft is clamped in a brake pin hole of the brake flange sleeve, and a main shaft is automatically braked by locking and a spindle shaft is automatically braked.
Further, the top end of the output shaft of the spindle motor is fixedly clamped with a driving pillow block which rotates along with the spindle motor, and the driving pillow block consists of a pillow block body, unidirectional chucks and repulsive magnets which are distributed on the pillow block body in a circumferential array manner.
Further, the pillow block body is T-shaped round table, the center of pillow block body upper surface is provided with six circumference array distributions and sets up the square compression chamber in clearance, one-way chuck slides and sets up in the square compression intracavity of pillow block body, one-way chuck is the T type slider of top one side for the slope form, one-way chuck bottom is embedded to have strong magnet, the repulsion magnet card of T type is inlayed and is fixed in the square compression chamber bottom of pillow block body, the one-way wheel rotation cover is established on spindle motor's output shaft and pillow block body.
Further, the outer wall of the one-way wheel is provided with a belt groove, the center of the one-way wheel is provided with a T-shaped step countersunk head penetrating through the belt groove, the driving pillow block is rotationally arranged in the step countersunk head of the center of the one-way wheel, the inner wall of the countersunk head of the one-way wheel is provided with a circle of one-way teeth, the one-way clamping head is meshed with the one-way teeth, and the belt is tightly sleeved on the outer wall of the one-way wheel and the belt pulley.
Further, the belt pulley is fixedly arranged at the bottom of the main shaft rod and rotates along with the main shaft rod, and a detachable brake block is fixedly arranged at the bottom of the belt pulley.
Further, electric brake valves for controlling the brake pads to start and stop are arranged at the bottoms of the front side and the rear side of the spindle seat, and a brake flange sleeve is fixedly arranged on a base below the center of the spindle seat.
Further, the braking flange sleeve is hollow T-shaped round platform, the round platform side wall at the top of the braking flange sleeve is provided with penetrating braking pin holes distributed in a circumferential array, the center of the bottom of the braking flange sleeve is provided with a braking cavity, the emergency stop cylinder is fixedly arranged in the braking cavity, and the braking center shaft is rotatably arranged in the braking flange sleeve in a penetrating mode.
Further, the braking middle shaft main body is a T-shaped heat transfer seat, the heat transfer seat is fixedly clamped at the bottom of the inner wall of the main shaft rod and rotates along with the bottom, a floating cavity with an opening at the bottom is arranged at the center of the bottom of the heat transfer seat, a centering magnet is arranged in the floating cavity in a vertically floating mode, a T-shaped step-shaped sliding cavity of a circumferential array is arranged on the side wall of the bottom of the floating cavity, and a braking pin is internally and externally slidably clamped in the sliding cavity.
The beneficial effects of the invention are as follows:
1. the main shaft motor and the main shaft rod drive the belt pulley to drive through the unidirectional wheel driving belt, and the main shaft motor is in flexible body transmission connection with the main shaft rod, so that the condition that the main shaft motor is damaged due to vibration transmission of the main shaft rod during processing is avoided.
2. The spindle motor and the unidirectional wheel are driven by the pillow block body, the unidirectional chuck of the pillow block body is meshed with the unidirectional teeth of the unidirectional wheel, one side of the unidirectional chuck is a T-shaped sliding block with an inclined top, when the output shaft of the spindle motor rotates clockwise, the stress surface between the unidirectional chuck and the unidirectional teeth is a straight surface, the unidirectional wheel rotates synchronously with the output shaft of the spindle motor, when the output shaft of the spindle motor rotates anticlockwise, the stress surface between the unidirectional chuck and the unidirectional teeth is an inclined surface, the unidirectional chuck is pressed into the square compression cavity of the pillow block body when rotating, the unidirectional wheel idles, the spindle motor and the unidirectional wheel only rotate in a unidirectional driving mode, and when the spindle rod is braked rapidly, the spindle motor can be braked slowly and stopped under the action of the unidirectional driving without being influenced by the emergency stopping torque of the spindle rod.
3. When the main shaft rod is used conventionally, the magnetic force of the centering magnet is larger than the centrifugal force received by the braking pin hole, the braking pin hole is adsorbed and hidden in the braking center shaft, when the overload of the main shaft rod leads to the increase of excessive friction temperature, the magnetic force of the centering magnet in the braking center shaft is reduced, the braking pin is thrown and clamped in the braking pin hole of the braking flange sleeve, the main shaft rod is locked and braked, and the overload automatic braking effect of the main shaft is realized.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the installation of the base of the present invention.
Fig. 3 is a schematic transmission diagram of the spindle motor of the present invention.
Fig. 4 is a transmission sectional view of the spindle motor of the present invention.
Fig. 5 is a schematic structural view of the unidirectional wheel of the present invention.
Fig. 6 is a schematic structural view of the drive pillow block of the present invention.
Fig. 7 is a schematic structural view of the pillow block of the present invention.
Fig. 8 is a schematic structural view of a one-way chuck according to the present invention.
Fig. 9 is a cross-sectional view of a brake bottom bracket of the present invention.
Fig. 10 is a schematic structural view of the brake flange sleeve of the present invention.
In fig. 1 to 10, the correspondence between the component names or lines and the drawing numbers is: the device comprises a base 1, a sheet metal frame 2, a spindle motor 3, a spindle seat 4, a boring tool rest 5, a turning tool frame 6, a double-shaft transmission seat 7, a one-way wheel 8, one-way teeth 801, a driving pillow block 9, a pillow block body 901, one-way clamping heads 902, repulsive force magnets 903, a belt 10, a spindle rod 11, a braking center shaft 12, a heat transfer seat 1201, a centering magnet 1202, a braking pin 1203, a belt pulley 13, a braking block 14, an electric braking valve 15, a braking flange sleeve 16, a braking pin hole 1601, a braking cavity 1602 and an emergency stop cylinder 17.
Detailed Description
Please refer to fig. 1 to 10;
the embodiment provides a vertical turning and boring compound machine tool, including the base 1 that is used for equipment installation fixed and the panel beating frame 2 that the protection operating personnel safety that peripheral setting in its top, base 1 top front side center is provided with spindle support 4, spindle motor 3 sets up in spindle support 4 left side, spindle lever 11 rotates and sets up in spindle support 4, can be at Z epaxial driven biax transmission seat 7 setting in the base 1 region at spindle support 4 rear, be provided with lathe tool rest 6 on the biax transmission seat 7, lathe tool rest 6 right side is provided with boring cutter frame 5, spindle motor 3 and spindle lever 11 drive belt pulley 13 transmission through unidirectional wheel 8 drive belt, drive shaft 9 transmission between unidirectional wheel 8 and the spindle motor 3, realize when spindle lever 11 speed reduction braking, unidirectional wheel 8 idle running on spindle motor 3's output shaft, the condition of the instantaneous torsion damage motor in the time of emergency stop has effectively been avoided, spindle lever 11 bottom is provided with brake axis 12, brake axis 12 rotates and wears to establish in brake flange cover 16, when spindle lever 11 overload leads to friction excessive temperature to rise, brake axis 1202 is fallen by brake axis 12, brake pin hole is locked by brake spindle shaft 1601, brake spindle shaft 11 is realized by brake spindle shaft hole automatic brake spindle lock stop 16.
In a specific embodiment, the spindle motor 3 drives the spindle rod 11 to drive the parts to rotate, meanwhile, the double-shaft transmission seat 7 driven by the double motors drives the lathe tool rest 6 and the boring tool rest 5 to carry out the lathe processing according to a set program, the lathe tool rest 6 is provided with a disc-shaped tool magazine, and the rotatable tool magazine can call multiple types of tools according to different working conditions.
Preferably, a driving pillow block 9 rotating along with the driving pillow block is clamped and fixed at the top end of an output shaft of the spindle motor 3, and the driving pillow block 9 is composed of a pillow block body 901, unidirectional chucks 902 and repulsive magnets 903 distributed on the pillow block body in a circumferential array manner.
Preferably, the pillow block 901 main part is T type round platform form, pillow block 901 upper surface is provided with six circumference array distribution's center and has seted up the square compression chamber in clearance, unidirectional chuck 902 slides and sets up in pillow block 901's square compression intracavity, unidirectional chuck 902 is the T type slider of top one side for the slope form, unidirectional chuck 902 bottom embeds there is strong magnet, the repulsion magnet 903 card of T type is fixed in pillow block 901's square compression chamber bottom, unidirectional wheel 8 rotates the cover and establishes on spindle motor 3's output shaft and pillow block 901.
In a specific embodiment, when the unidirectional chuck 902 is not subjected to external force, the strong magnet embedded in the bottom of the unidirectional chuck 902 and the repulsive magnet 903 of T shape repel each other, and the top of the unidirectional chuck 902 is pushed out of the square compression cavity and protrudes out of the peripheral edge area of the pillow block 901.
Preferably, the outer wall of the unidirectional wheel 8 is provided with a belt groove, the center of the unidirectional wheel 8 is provided with a T-shaped step countersunk head penetrating through, the driving pillow block 9 is rotatably arranged in the step countersunk head of the center of the unidirectional wheel 8, the inner wall of the countersunk head of the unidirectional wheel 8 is provided with a circle of unidirectional teeth 801, the unidirectional clamping head 902 is meshed with the unidirectional teeth 801, and the belt 10 is tightly sleeved on the outer wall of the unidirectional wheel 8 and the belt pulley 13.
In a specific embodiment, the spindle motor 3 and the unidirectional wheel 8 are driven by the spindle base 901, the unidirectional chuck 902 of the spindle base 901 is meshed with the unidirectional teeth 801 of the unidirectional wheel 8, the unidirectional chuck 902 is a T-shaped slide block with an inclined top end side, when the output shaft of the spindle motor 3 rotates clockwise, the stress surface between the unidirectional chuck 902 and the unidirectional teeth 801 is a straight surface, the unidirectional wheel 8 rotates synchronously with the output shaft of the spindle motor 3, when the output shaft of the spindle motor 3 rotates anticlockwise, the stress surface between the unidirectional chuck 902 and the unidirectional teeth 801 is an inclined surface, the unidirectional chuck 902 is pressed into the square compression cavity of the spindle base 901 when rotating, the unidirectional wheel 8 idly rotates, the spindle motor 3 and the unidirectional wheel 8 only rotate in a unidirectional driving manner, and when the spindle shaft 11 performs emergency braking, the spindle motor 3 can perform uniform speed reduction and stop under the action of unidirectional driving without being influenced by the emergency torque of the spindle shaft 11.
In the embodiment, the spindle motor 3 and the spindle rod 11 drive the belt pulley 13 to drive through the unidirectional wheel 8 driving belt 10, and the spindle motor 3 and the spindle rod 11 are in flexible transmission connection, so that the situation that the spindle motor 3 for transmitting vibration of the spindle rod 11 during processing damages a motor body is avoided.
Preferably, the pulley 13 is fixedly arranged at the bottom of the main shaft rod 11 to rotate with the main shaft rod, and a detachable brake pad 14 is fixedly arranged at the bottom of the pulley 13.
Preferably, electric brake valves 15 for controlling the brake pads 14 to start and stop are arranged at the bottoms of the front side and the rear side of the spindle seat 4, and a brake flange sleeve 16 is fixedly arranged on the base 1 below the center of the spindle seat 4.
In a specific embodiment, the electric brake valve 15 regulates and controls the locking force of the brake pad 14, so as to control the rotation start of the spindle rod 11, the power of the spindle motor 3 is only used as an input source, a conventional brake source is input by the electric brake valve 15, and the brake pad 14 is replaced as a consumable during equipment maintenance.
Preferably, the brake flange sleeve 16 is in a hollow T-shaped circular truncated cone shape, a circular array distributed penetrating brake pin holes 1601 are formed in the circular truncated cone side wall at the top of the brake flange sleeve 16, a brake cavity 1602 is formed in the center of the bottom of the brake flange sleeve 16, the emergency stop cylinder 17 is fixedly arranged in the brake cavity 1602, and the brake center shaft 12 is rotatably arranged in the brake flange sleeve 16 in a penetrating mode.
In a specific embodiment, when the spindle rod 11 is used conventionally, the magnetic force of the centering magnet 1202 is larger than the centrifugal force received by the brake pin hole 1601, the brake pin hole 1601 is absorbed and hidden in the brake center shaft 12, when the overload of the spindle rod 11 causes the excessive temperature rise of friction, the magnetic force of the centering magnet 1202 in the brake center shaft 12 is lowered, the brake pin 1203 is thrown and embedded in the brake pin hole 1601 of the brake flange sleeve 16, and the spindle rod 11 is locked for braking.
Preferably, the main body of the brake center shaft 12 is a T-shaped heat transfer seat 1201, the heat transfer seat 1201 is fixedly clamped at the bottom of the inner wall of the main shaft lever 11 and rotates along with the bottom, a floating cavity with an opening at the bottom is arranged at the center of the bottom of the heat transfer seat 1201, a centering magnet 1202 is vertically arranged in the floating cavity in a floating mode, a T-shaped step-shaped sliding cavity with a circumferential array is arranged on the side wall of the bottom of the floating cavity, and the brake pin 1203 is clamped in the sliding cavity in a sliding mode in an inner-outer sliding mode.
In a specific embodiment, when the device is manually suddenly stopped, the sudden stop cylinder 17 is triggered, the output rod of the sudden stop cylinder 17 stretches, the centering magnet 1202 is pushed upwards, the magnetic force applied by the brake pin 1203 drops, the brake pin 1203 is thrown and clamped in the brake pin hole 1601 of the brake flange sleeve 16, and the main shaft rod 11 is locked for braking.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a vertical turning and boring compound machine, including base (1) that is used for equipment installation fixed and protection operating personnel safety's that peripheral top set up panel beating frame (2), base (1) top front side center is provided with headstock (4), spindle motor (3) set up in headstock (4) left side, spindle shaft (11) rotate and set up in headstock (4), can set up in base (1) region at headstock (4) rear in Z axle and X epaxial driven biax drive seat (7), be provided with car knife rest (6) on biax drive seat (7), lathe knife rest (6) right side is provided with boring knife rest (5), its characterized in that: the main shaft motor (3) and the main shaft rod (11) drive the belt pulley (13) to drive through the unidirectional wheel (8) driving belt (10), the unidirectional wheel (8) and the main shaft motor (3) are driven through the driving pillow block (9), when the main shaft rod (11) is braked in a speed reduction mode, the unidirectional wheel (8) idles on an output shaft of the main shaft motor (3), the situation that an instant torque force is damaged when the main shaft rod (11) is suddenly stopped is effectively avoided, a brake center shaft (12) is arranged at the bottom of the main shaft rod (11), the brake center shaft (12) is rotatably arranged in the brake flange sleeve (16) in a penetrating mode, when the main shaft rod (11) is overloaded to cause excessive friction temperature to rise, the magnetic force of a magnet (1202) in the brake center shaft (12) is lowered, and a brake pin (1203) is clamped in a brake pin hole (1601) of the brake flange sleeve (16), so that the main shaft rod (11) is locked and braked, and an overload automatic braking effect of the main shaft is achieved.
2. The vertical lathe boring machine according to claim 1, wherein: the top end of an output shaft of the spindle motor (3) is fixedly clamped with a driving pillow block (9) which rotates along with the driving pillow block, and the driving pillow block (9) consists of a pillow block body (901) and unidirectional chucks (902) and repulsive magnets (903) which are distributed in a circumferential array.
3. The vertical lathe boring machine according to claim 2, wherein: establish pillow block body (901) main part and be T type round platform form, pillow block body (901) upper surface is provided with the square compression chamber in clearance has been seted up at the center that six circumference arrays distribute, unidirectional chuck (902) slip sets up in the square compression intracavity of pillow block body (901), unidirectional chuck (902) are the T type slider of top one side for the slope form, unidirectional chuck (902) bottom is embedded to have strong magnet, repulsion magnet (903) card of T type is fixed in the square compression chamber bottom of pillow block body (901), unidirectional wheel (8) rotation cover is established on the output shaft of spindle motor (3) and pillow block body (901).
4. A vertical lathe boring machine according to claim 3, characterised in that: the outer wall of the unidirectional wheel (8) is provided with a belt groove, the center of the unidirectional wheel (8) is provided with a T-shaped step countersunk head which penetrates through, the driving pillow block (9) is rotatably arranged in the step countersunk head at the center of the unidirectional wheel (8), the inner wall of the countersunk head of the unidirectional wheel (8) is provided with a circle of unidirectional teeth (801), the unidirectional clamping head (902) is meshed with the unidirectional teeth (801), and the belt (10) is tightly sleeved on the outer wall of the unidirectional wheel (8) and the belt pulley (13).
5. The vertical lathe boring machine according to claim 4, wherein: the belt pulley (13) is fixedly arranged at the bottom of the main shaft rod (11) to rotate along with the main shaft rod, and a detachable brake block (14) is fixedly arranged at the bottom of the belt pulley (13).
6. The vertical lathe boring machine according to claim 1, wherein: electric brake valves (15) for controlling the starting and stopping of brake pads (14) are arranged at the bottoms of the front side and the rear side of the spindle seat (4), and a brake flange sleeve (16) is fixedly arranged on the base (1) below the center of the spindle seat (4).
7. The vertical lathe boring machine according to claim 6, wherein: the braking flange sleeve (16) is of a hollow T-shaped circular truncated cone shape, a penetrating braking pin hole (1601) distributed in a circumferential array is formed in the circular truncated cone side wall at the top of the braking flange sleeve (16), a braking cavity (1602) is formed in the center of the bottom of the braking flange sleeve (16), the emergency stop cylinder (17) is fixedly arranged in the braking cavity (1602), and the braking center shaft (12) is rotatably arranged in the braking flange sleeve (16) in a penetrating mode.
8. The vertical lathe boring machine according to claim 7, wherein: the main body of the brake center shaft (12) is a T-shaped heat transfer seat (1201), the heat transfer seat (1201) is clamped and fixed at the bottom of the inner wall of the main shaft lever (11) to rotate along with the heat transfer seat, a floating cavity with an opening at the bottom is arranged at the center of the bottom of the heat transfer seat (1201), a centering magnet (1202) is arranged in the floating cavity in an up-down floating mode, a T-shaped step-shaped sliding cavity of a circumferential array is arranged on the side wall of the bottom of the floating cavity, and a brake pin (1203) is clamped in the sliding cavity in an inside-outside sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311340656.3A CN117182125A (en) | 2023-10-17 | 2023-10-17 | Vertical turning and boring compound machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311340656.3A CN117182125A (en) | 2023-10-17 | 2023-10-17 | Vertical turning and boring compound machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117182125A true CN117182125A (en) | 2023-12-08 |
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ID=88996256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311340656.3A Pending CN117182125A (en) | 2023-10-17 | 2023-10-17 | Vertical turning and boring compound machine tool |
Country Status (1)
| Country | Link |
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| CN (1) | CN117182125A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201470894U (en) * | 2009-09-10 | 2010-05-19 | 项建光 | Numerical control vertical lathe |
| CN103934719A (en) * | 2014-01-15 | 2014-07-23 | 黄剑辉 | In-die tapping machine transmission screw rod torsion overload protection device |
| CN104096861A (en) * | 2014-07-04 | 2014-10-15 | 福建成功机床有限公司 | Double-tool-rest dual-channel numerically-controlled vertical lathe |
| US20210102587A1 (en) * | 2019-10-08 | 2021-04-08 | Toyota Jidosha Kabushiki Kaisha | Electromagnetic brake device |
| CN215035742U (en) * | 2021-01-14 | 2021-12-07 | 深圳市舒特机械有限公司 | Main shaft zero-speed braking device of machine tool |
| CN114744822A (en) * | 2022-04-19 | 2022-07-12 | 何懿婷 | Low-speed permanent magnet synchronous servo motor with auxiliary braking function |
| CN115852905A (en) * | 2022-11-28 | 2023-03-28 | 河南商禹机电设备制造有限公司 | Safe and reliable emergency operation equipment for water conservancy gate hoist |
-
2023
- 2023-10-17 CN CN202311340656.3A patent/CN117182125A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201470894U (en) * | 2009-09-10 | 2010-05-19 | 项建光 | Numerical control vertical lathe |
| CN103934719A (en) * | 2014-01-15 | 2014-07-23 | 黄剑辉 | In-die tapping machine transmission screw rod torsion overload protection device |
| CN104096861A (en) * | 2014-07-04 | 2014-10-15 | 福建成功机床有限公司 | Double-tool-rest dual-channel numerically-controlled vertical lathe |
| US20210102587A1 (en) * | 2019-10-08 | 2021-04-08 | Toyota Jidosha Kabushiki Kaisha | Electromagnetic brake device |
| CN215035742U (en) * | 2021-01-14 | 2021-12-07 | 深圳市舒特机械有限公司 | Main shaft zero-speed braking device of machine tool |
| CN114744822A (en) * | 2022-04-19 | 2022-07-12 | 何懿婷 | Low-speed permanent magnet synchronous servo motor with auxiliary braking function |
| CN115852905A (en) * | 2022-11-28 | 2023-03-28 | 河南商禹机电设备制造有限公司 | Safe and reliable emergency operation equipment for water conservancy gate hoist |
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