CN220029501U - Ball screw driving device of numerical control vertical turning and milling compound machine tool - Google Patents
Ball screw driving device of numerical control vertical turning and milling compound machine tool Download PDFInfo
- Publication number
- CN220029501U CN220029501U CN202321159099.0U CN202321159099U CN220029501U CN 220029501 U CN220029501 U CN 220029501U CN 202321159099 U CN202321159099 U CN 202321159099U CN 220029501 U CN220029501 U CN 220029501U
- Authority
- CN
- China
- Prior art keywords
- liquid
- screw
- liquid outlet
- cavity
- numerical control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003801 milling Methods 0.000 title claims abstract description 17
- 150000001875 compounds Chemical class 0.000 title claims description 5
- 239000007788 liquid Substances 0.000 claims abstract description 179
- 238000001816 cooling Methods 0.000 claims abstract description 37
- 239000002131 composite material Substances 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 239000000110 cooling liquid Substances 0.000 abstract description 16
- 238000009434 installation Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 13
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Transmission Devices (AREA)
Abstract
The utility model relates to the technical field of numerical control machine tools, in particular to a ball screw driving device of a numerical control vertical turning and milling composite machine tool, which is characterized in that when in use, a motor is started, so that a ball nut moves horizontally left and right under the cooperation of a feed rod, when the feed rod is required to be cooled, cooling liquid is discharged from a cooling cavity, the cooling of the feed rod is realized, and the service life of the feed rod is prolonged; including base, bearing frame, lead screw, motor cabinet, ball nut and smooth, the base top is provided with two sets of bearing frames, and the lead screw rotates the installation with two sets of bearing frames respectively, and the motor passes through the motor cabinet to be installed on the base top, is provided with smooth between two sets of bearing frames, ball nut and lead screw threaded connection and ball nut and smooth sliding connection, still include cooling chamber and feed liquid subassembly, the inside cooling chamber that is provided with of lead screw, and feed liquid subassembly is installed on the base top, and feed liquid subassembly's output rotates the intercommunication with the input in cooling chamber.
Description
Technical Field
The utility model relates to the technical field of numerical control machine tools, in particular to a ball screw driving device of a numerical control vertical turning and milling composite machine tool.
Background
The ball screw is a transmission element most commonly used on tool machines and precision machines, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and simultaneously has the characteristics of high precision, reversibility and high efficiency. Because of having very small friction resistance, the ball screw is widely applied to a numerical control vertical turning and milling composite machine tool.
In the prior art, patent document with publication number of CN213225263U discloses a ball screw device of a numerical control machine tool, which comprises a base, a supporting block, a motor, a screw shaft, a coupler, a screw rotary oiling lubrication box structure, a screw rotary sundry adjusting cleaning rod structure, a protective shell, balls, a mounting sheet, a control switch and a fixed seat, wherein the base is respectively connected with the left side and the right side of the upper surface of a bottom plate by bolts; the supporting block is connected to the left side of the upper surface of the bottom plate through bolts; the motor bolt is connected to the upper part of the supporting block.
When the ball screw driving device is used, the friction force is large when the ball screw is moved, and the ball screw driving system can generate heat, so that the service life of the ball screw driving system is shortened, and the precision of the ball screw in moving is low.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a ball screw driving device of a numerical control vertical turning and milling composite machine tool, which is provided with a screw for cooling and improving the service life of the screw.
The utility model relates to a ball screw driving device of a numerical control vertical turning and milling composite machine tool, which comprises a base, bearing seats, a screw rod, a motor seat, ball nuts and a smooth rod, wherein the top end of the base is provided with two groups of bearing seats, the screw rod is respectively rotatably installed with the two groups of bearing seats, the motor is installed at the top end of the base through the motor seat, the smooth rod is arranged between the two groups of bearing seats, the ball nuts are in threaded connection with the screw rod and are in sliding connection with the smooth rod, the device also comprises a cooling cavity and a liquid supply assembly, the cooling cavity is arranged in the screw rod, the liquid supply assembly is installed at the top end of the base, and the output end of the liquid supply assembly is rotatably communicated with the input end of the cooling cavity; during the use, start the motor to make the lead screw carry out horizontal direction's removal about ball nut under the cooperation of feed screw, when need carry out cooling to the lead screw, start the confession liquid subassembly, make in the coolant liquid gets into the cooling chamber, the coolant liquid gets into in the cooling chamber and cools down the cooling to the lead screw, later the coolant liquid discharge cooling chamber realizes cooling down to the lead screw, improves the life of lead screw.
Preferably, the cooling cavity comprises a liquid supply cavity, a liquid separation cavity, a liquid outlet cavity and a liquid discharge hole, the liquid supply cavity is arranged in the center of the interior of the screw rod, the right end of the liquid supply cavity is flush with the right end of the screw rod, the liquid separation cavity is arranged at the left end of the liquid supply cavity, a plurality of groups of liquid outlet cavities are arranged in the screw rod, the liquid outlet cavities are distributed in the outer side circumferential array of the liquid supply cavity, the left ends of the plurality of groups of liquid outlet cavities are communicated with the liquid separation cavity, a plurality of groups of liquid discharge holes are arranged on the outer side wall of the screw rod, and the liquid discharge holes are respectively communicated with the liquid outlet cavities; the liquid supply mechanism enables cooling liquid to enter the liquid supply cavity, the cooling liquid entering the liquid supply cavity respectively enters the liquid outlet cavities of the plurality of groups through the liquid distribution cavities and is discharged through the liquid discharge holes, and the cooling liquid sequentially flows through the liquid supply cavity, the liquid distribution cavities and the liquid outlet cavities, so that the cooling liquid cools the screw rod.
Preferably, the liquid supply assembly comprises a mounting seat, a pump body, a liquid inlet pipe, a liquid outlet pipe and a rotary joint, wherein the pump body is mounted at the top end of the base through the mounting seat, the liquid inlet pipe is arranged at the input end of the pump body, the liquid outlet pipe is arranged at the output end of the pump body, the rotary joint is mounted at the right end of the screw rod, the rotary joint is arranged at the right side of the liquid supply cavity, and the output end of the liquid outlet pipe is communicated with the input end of the rotary joint; the input end of the liquid inlet pipe is placed into cooling liquid, and when the screw rod rotates, the pump body is started, so that the cooling liquid passes through the liquid inlet pipe and the liquid outlet pipe and enters the liquid supply cavity under the cooperation of the rotary joint, and the supply of the cooling liquid is completed.
Preferably, the device also comprises a liquid collecting component, wherein the liquid collecting component comprises a supporting rod, an annular cover and a liquid outlet, the annular cover is rotationally sleeved on the outer side wall of the screw rod, a plurality of groups of liquid discharging holes are formed in the inner side of the annular cover, the supporting rod is arranged between the annular cover and a bearing seat which is close to the annular cover, the liquid outlet is formed in the bottom end of the annular cover, and the annular cover is in the shape of an automobile tire; when the coolant liquid passes through multiunit flowing back hole discharge, the inside that the coolant liquid after the discharge unified enters into annular cover and all carries out the discharge of equidirectional through the liquid outlet, improves the convenience.
Preferably, the inner side wall of the annular cover is provided with an anti-rust coating; the inside wall of annular cover is provided with rust-resistant coating, improves the life of annular cover.
Preferably, the liquid outlet cavity and the liquid outlet hole are four groups; the liquid outlet cavities and the liquid outlet holes are four groups, and the cooling liquid cools and cools the screw rod through the liquid supply cavities and the liquid outlet cavities respectively and is discharged through the liquid outlet holes respectively, so that the cooling and cooling efficiency is improved.
Preferably, the bearing seat and the base are connected in a welding mode; the bearing pedestal and the base are connected in a welding mode, so that the connection firmness is improved.
Compared with the prior art, the utility model has the beneficial effects that: during the use, start the motor to make the lead screw carry out horizontal direction's removal about ball nut under the cooperation of feed screw, when need carry out cooling to the lead screw, start the confession liquid subassembly, make in the coolant liquid gets into the cooling chamber, the coolant liquid gets into in the cooling chamber and cools down the cooling to the lead screw, later the coolant liquid discharge cooling chamber realizes cooling down to the lead screw, improves the life of lead screw.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a partially enlarged schematic view of the structure of the portion A in FIG. 1;
FIG. 3 is a partially enlarged schematic view of the structure of the portion B in FIG. 1;
FIG. 4 is a schematic illustration of an axially measured structure of the present utility model;
the reference numerals in the drawings: 1. a base; 2. a bearing seat; 3. a screw rod; 4. a motor; 5. a motor base; 6. a ball nut; 7. a light bar; 8. a liquid supply chamber; 9. a liquid separating cavity; 10. a liquid outlet cavity; 11. a liquid discharge hole; 12. a mounting base; 13. a pump body; 14. a liquid inlet pipe; 15. a liquid outlet pipe; 16. a rotary joint; 17. a support rod; 18. an annular cover; 19. and a liquid outlet.
Description of the embodiments
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Examples
As shown in fig. 1 and 4, the ball screw driving device of the numerical control vertical turning and milling composite machine tool comprises a base 1, bearing seats 2, a screw rod 3, a motor 4, a motor seat 5, ball nuts 6 and a feed rod 7, wherein two groups of bearing seats 2 are arranged at the top end of the base 1, the screw rod 3 is respectively rotatably installed with the two groups of bearing seats 2, the motor 4 is installed at the top end of the base 1 through the motor seat 5, the feed rod 7 is arranged between the two groups of bearing seats 2, the ball nuts 6 are in threaded connection with the screw rod 3 and the ball nuts 6 are in sliding connection with the feed rod 7, the device further comprises a cooling cavity and a liquid supply assembly, the cooling cavity is arranged in the screw rod 3, the liquid supply assembly is installed at the top end of the base 1, and the output end of the liquid supply assembly is rotatably communicated with the input end of the cooling cavity;
as shown in fig. 1, 2 and 3, the cooling cavity comprises a liquid supply cavity 8, a liquid separation cavity 9, a liquid outlet cavity 10 and a liquid discharge hole 11, the liquid supply cavity 8 is arranged in the center of the interior of the screw rod 3, the right end of the liquid supply cavity 8 is flush with the right end of the screw rod 3, the liquid separation cavity 9 is arranged at the left end of the liquid supply cavity 8, a plurality of groups of liquid outlet cavities 10 are arranged in the screw rod 3, the liquid outlet cavities 10 are distributed in a circumferential array at the outer side of the liquid supply cavity 8, the left ends of the liquid outlet cavities 10 are communicated with the liquid separation cavity 9, a plurality of groups of liquid discharge holes 11 are arranged on the outer side wall of the screw rod 3, and the liquid discharge holes 11 are respectively communicated with the liquid outlet cavities 10;
as shown in fig. 1 and 4, the liquid supply assembly comprises a mounting seat 12, a pump body 13, a liquid inlet pipe 14, a liquid outlet pipe 15 and a rotary joint 16, wherein the pump body 13 is mounted at the top end of the base 1 through the mounting seat 12, the liquid inlet pipe 14 is arranged at the input end of the pump body 13, the liquid outlet pipe 15 is arranged at the output end of the pump body 13, the rotary joint 16 is mounted at the right end of the screw rod 3, the rotary joint 16 is arranged on the right side of the liquid supply cavity 8, and the output end of the liquid outlet pipe 15 is communicated with the input end of the rotary joint 16.
In this embodiment, during the use, start motor 4 to make lead screw 3 carry out horizontal direction's removal about ball nut 6 under the cooperation of feed screw 7, when needs carry out cooling to lead screw 3, put into the coolant liquid with the input of feed liquor pipe 14, when lead screw 3 rotates, start pump body 13, thereby make the coolant liquid get into in the feed liquor chamber 8 through feed liquor pipe 14 and drain pipe 15 and under the cooperation of rotary joint 16, the coolant liquid that gets into in the feed liquor chamber 8 gets into multiunit drain chamber 10 respectively through branch liquid chamber 9 and discharges through flowing back hole 11 respectively, the coolant liquid flows in proper order in feed liquor chamber 8, branch liquid chamber 9 and drain chamber 10, thereby make the coolant liquid cool down lead screw 3.
Examples
As shown in fig. 1 and 4, the ball screw driving device of the numerical control vertical turning and milling composite machine tool comprises a base 1, bearing seats 2, a screw rod 3, a motor 4, a motor seat 5, ball nuts 6 and a feed rod 7, wherein two groups of bearing seats 2 are arranged at the top end of the base 1, the screw rod 3 is respectively rotatably installed with the two groups of bearing seats 2, the motor 4 is installed at the top end of the base 1 through the motor seat 5, the feed rod 7 is arranged between the two groups of bearing seats 2, the ball nuts 6 are in threaded connection with the screw rod 3 and the ball nuts 6 are in sliding connection with the feed rod 7, the device further comprises a cooling cavity and a liquid supply assembly, the cooling cavity is arranged in the screw rod 3, the liquid supply assembly is installed at the top end of the base 1, and the output end of the liquid supply assembly is rotatably communicated with the input end of the cooling cavity;
as shown in fig. 1, 2 and 3, the cooling cavity comprises a liquid supply cavity 8, a liquid separation cavity 9, a liquid outlet cavity 10 and a liquid discharge hole 11, the liquid supply cavity 8 is arranged in the center of the interior of the screw rod 3, the right end of the liquid supply cavity 8 is flush with the right end of the screw rod 3, the liquid separation cavity 9 is arranged at the left end of the liquid supply cavity 8, a plurality of groups of liquid outlet cavities 10 are arranged in the screw rod 3, the liquid outlet cavities 10 are distributed in a circumferential array at the outer side of the liquid supply cavity 8, the left ends of the liquid outlet cavities 10 are communicated with the liquid separation cavity 9, a plurality of groups of liquid discharge holes 11 are arranged on the outer side wall of the screw rod 3, and the liquid discharge holes 11 are respectively communicated with the liquid outlet cavities 10;
as shown in fig. 1 and 4, the liquid supply assembly comprises a mounting seat 12, a pump body 13, a liquid inlet pipe 14, a liquid outlet pipe 15 and a rotary joint 16, wherein the pump body 13 is mounted at the top end of the base 1 through the mounting seat 12, the liquid inlet pipe 14 is arranged at the input end of the pump body 13, the liquid outlet pipe 15 is arranged at the output end of the pump body 13, the rotary joint 16 is mounted at the right end of the screw rod 3, the rotary joint 16 is arranged at the right side of the liquid supply cavity 8, and the output end of the liquid outlet pipe 15 is communicated with the input end of the rotary joint 16;
as shown in fig. 1 and 2, the device further comprises a liquid collecting assembly, the liquid collecting assembly comprises a supporting rod 17, an annular cover 18 and a liquid outlet 19, the annular cover 18 is rotatably sleeved on the outer side wall of the screw rod 3, the plurality of groups of liquid discharging holes 11 are all formed in the inner side of the annular cover 18, the supporting rod 17 is arranged between the annular cover 18 and the bearing seat 2 which is close to the annular cover 18, and the liquid outlet 19 is formed in the bottom end of the annular cover 18.
In this embodiment, during use, the motor 4 is started, so that the ball nut 6 moves horizontally left and right under the cooperation of the feed screw 7, when the feed screw 3 needs to be cooled, the input end of the liquid inlet pipe 14 is put into the cooling liquid, and when the feed screw 3 rotates, the pump body 13 is started, so that the cooling liquid enters the liquid supply cavity 8 through the liquid inlet pipe 14 and the liquid outlet pipe 15 and under the cooperation of the rotary joint 16, the cooling liquid entering the liquid supply cavity 8 respectively enters the liquid outlet cavities 10 through the liquid distribution cavities 9 and respectively is discharged through the liquid outlet holes 11, and the cooling liquid sequentially flows through the liquid supply cavity 8, the liquid distribution cavities 9 and the liquid outlet cavities 10, so that the cooling liquid cools down the feed screw 3, and when the cooling liquid is discharged through the liquid outlet cavities 11, the discharged cooling liquid uniformly enters the inside the annular cover 18 and is discharged in the same direction through the liquid outlet holes 19.
The screw rod 3, the motor 4, the ball nut 6, the feed rod 7, the pump body 13, the annular cover 18 and the supporting rod 17 of the ball screw driving device of the numerical control vertical turning and milling composite machine tool are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached using instruction without creative labor of the person skilled in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (7)
1. The utility model provides a vertical turning and milling compound lathe ball screw drive arrangement of numerical control, including base (1), bearing frame (2), lead screw (3), motor (4), motor cabinet (5), ball nut (6) and feed screw (7), base (1) top is provided with two sets of bearing frames (2), lead screw (3) rotate with two sets of bearing frames (2) respectively and install, motor (4) are installed on base (1) top through motor cabinet (5), be provided with feed screw (7) between two sets of bearing frames (2), ball nut (6) and lead screw (3) threaded connection and ball nut (6) and feed screw (7) sliding connection, a serial communication port, still include cooling chamber and feed liquor subassembly, inside cooling chamber that is provided with of lead screw (3), feed liquor subassembly is installed on base (1) top, feed liquor subassembly's output and cooling chamber's input rotates the intercommunication.
2. The ball screw driving device of the numerical control vertical turning and milling composite machine tool according to claim 1, wherein the cooling cavity comprises a liquid supply cavity (8), a liquid separation cavity (9), a liquid outlet cavity (10) and a liquid discharge hole (11), the liquid supply cavity (8) is arranged in the center of the interior of the screw (3), the right end of the liquid supply cavity (8) is flush with the right end of the screw (3), the liquid separation cavity (9) is arranged at the left end of the liquid supply cavity (8), a plurality of groups of liquid outlet cavities (10) are arranged in the screw (3), the liquid outlet cavities (10) are distributed in an outer circumferential array of the liquid supply cavity (8), the left ends of the plurality of groups of liquid outlet cavities (10) are communicated with the liquid separation cavity (9), a plurality of groups of liquid discharge holes (11) are formed in the outer side wall of the screw (3), and the liquid discharge holes (11) are respectively communicated with the liquid outlet cavities (10).
3. The ball screw driving device of the numerical control vertical turning and milling composite machine tool according to claim 2, wherein the liquid supply assembly comprises a mounting seat (12), a pump body (13), a liquid inlet pipe (14), a liquid outlet pipe (15) and a rotary joint (16), the pump body (13) is mounted on the top end of the base (1) through the mounting seat (12), the liquid inlet pipe (14) is arranged at the input end of the pump body (13), the liquid outlet pipe (15) is arranged at the output end of the pump body (13), the rotary joint (16) is mounted at the right end of the screw (3), the rotary joint (16) is arranged on the right side of the liquid supply cavity (8), and the output end of the liquid outlet pipe (15) is communicated with the input end of the rotary joint (16).
4. The ball screw driving device of the numerical control vertical turning and milling composite machine tool according to claim 2, further comprising a liquid collecting assembly, wherein the liquid collecting assembly comprises a supporting rod (17), an annular cover (18) and a liquid outlet (19), the annular cover (18) is rotationally sleeved on the outer side wall of the screw (3), multiple groups of liquid discharging holes (11) are formed in the inner side of the annular cover (18), the supporting rod (17) is arranged between the annular cover (18) and the bearing seat (2) which is close to the annular cover, the liquid outlet (19) is formed in the bottom end of the annular cover (18), and the annular cover (18) is in the shape of an automobile tire.
5. A numerically controlled vertical turning and milling compound machine ball screw drive as claimed in claim 4, characterised in that the inner side wall of the annular housing (18) is provided with a rust-inhibiting coating.
6. The ball screw driving device of the numerical control vertical turning and milling composite machine tool according to claim 2, wherein the liquid outlet cavity (10) and the liquid outlet hole (11) are four groups.
7. A numerically controlled vertical turning and milling compound machine ball screw drive as claimed in claim 1 or 2, characterised in that the bearing housing (2) and the base (1) are connected by means of welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321159099.0U CN220029501U (en) | 2023-05-15 | 2023-05-15 | Ball screw driving device of numerical control vertical turning and milling compound machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321159099.0U CN220029501U (en) | 2023-05-15 | 2023-05-15 | Ball screw driving device of numerical control vertical turning and milling compound machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220029501U true CN220029501U (en) | 2023-11-17 |
Family
ID=88744445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321159099.0U Active CN220029501U (en) | 2023-05-15 | 2023-05-15 | Ball screw driving device of numerical control vertical turning and milling compound machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220029501U (en) |
-
2023
- 2023-05-15 CN CN202321159099.0U patent/CN220029501U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211760191U (en) | Automatic chip removal type intelligent numerical control machine tool | |
| CN1966205A (en) | Ball screw for machine tools | |
| CN116276126B (en) | Automatic processing device for die-casting parts of rectangular shell | |
| CN220029501U (en) | Ball screw driving device of numerical control vertical turning and milling compound machine tool | |
| CN213827106U (en) | Multi-station drilling machine | |
| CN220296593U (en) | Cutter structure of machining center | |
| CN214770277U (en) | Double-servo drilling and tapping power head | |
| CN111482629A (en) | Portable semi-automatic hole making equipment and hole making method | |
| CN111331464A (en) | Positioning, grinding and polishing device for machining and producing precise components of refrigerator | |
| CN201320609Y (en) | Case type sliding-bearing motorized spindle assembled in motor | |
| CN220805497U (en) | Motorized spindle rotation locking mechanism | |
| CN219188640U (en) | Multi-station rotary tool rest of numerical control lathe | |
| CN213575401U (en) | Screw rod transmission device | |
| CN114850514B (en) | Heat dissipation balance type ultra-high speed numerical control machine tool mandrel and heat dissipation optimization method thereof | |
| CN220347224U (en) | Horizontal machining center convenient to deep hole processing | |
| CN219152525U (en) | Electric spindle of central water outlet ball grinding wheel | |
| CN214264804U (en) | Numerical control high-precision machine tool rotary tool rest | |
| CN219358926U (en) | Surface grinding machine for polishing automobile castings | |
| CN212443327U (en) | Portable semi-automatic hole making equipment | |
| CN217859513U (en) | Mark welding machine for machining steering wheel horn cover | |
| CN220196526U (en) | Hub deburring device and hub deburring structure | |
| CN216297965U (en) | A built-in motor headstock device for high-speed digit control machine tool | |
| CN217530036U (en) | Special quick retooling tool of CNC | |
| CN218694171U (en) | Axial transmission mechanism of deep hole boring machine | |
| CN220240066U (en) | Clamping structure of electric spindle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |