CN110586966A - Pull rod structure and main shaft - Google Patents
Pull rod structure and main shaft Download PDFInfo
- Publication number
- CN110586966A CN110586966A CN201910700187.9A CN201910700187A CN110586966A CN 110586966 A CN110586966 A CN 110586966A CN 201910700187 A CN201910700187 A CN 201910700187A CN 110586966 A CN110586966 A CN 110586966A
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- China
- Prior art keywords
- pull rod
- section
- circular
- shaft core
- shaft
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/70—Stationary or movable members for carrying working-spindles for attachment of tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/1552—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling parts of devices for automatically inserting or removing tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention provides a pull rod structure, which comprises a shaft core and a pull rod, wherein the shaft core is provided with a through hole, the pull rod penetrates through the through hole, a pre-tightening elastic part is sleeved at the top end of the shaft core, a pre-tightening nut is connected to the top end of the pull rod in a threaded manner, two ends of the pre-tightening elastic part respectively abut against the shaft core and the pre-tightening nut, the through hole comprises a non-circular hole section, the pull rod is provided with a non-circular shaft section, and the non-circular shaft section is slidably matched with the non-circular hole section, so that the processing quality is more stable. The invention provides a spindle which comprises a shell, a motor and a pull rod structure, wherein a bearing is arranged in the shell and supports a shaft core, the motor is used for driving the shaft core to rotate, and the lower end of the pull rod is in threaded connection with a chuck.
Description
Technical Field
The invention relates to a pull rod structure and a main shaft.
Background
Referring to fig. 1, a spindle in the prior art includes a spindle core 2, a through hole is formed in the spindle core 2, a pull rod 1 is inserted into the through hole, and a chuck 3 is fixedly connected to a lower end of the pull rod 1. The pull rod 1 slides downwards relative to the shaft core 2 under the driving of the cylinder to drive the chuck 3 to slide, so that tool changing is realized. In the prior art, with reference to fig. 2 and 3, since the size of the upper end of the pull rod 1 is larger than the bore diameter of the shaft core 2, the pull rod 1 needs to be inserted into the shaft core 2 from the upper end (the end close to the cylinder) of the shaft core 2. The lower end (the end close to the cutter) of the pull rod 1 penetrates through the through hole of the shaft core 2, and then the chuck 3 is fixedly arranged. Under the elastic force of the disc spring, the chuck 3 is contacted with the inner wall of the lower end opening of the shaft core 2 to form friction force, and the pull rod 1 is locked.
If the inner space of the shaft core 2 is enough, the above design of the pull rod 1 is very convenient for installation, if the inner space of the shaft core 2 is relatively narrow, the main body of the pull rod 1 needs to be made quite slender, and the upper end head of the pull rod 1 needs to have a larger size, and the larger size of the upper end head is used for pressing down the elastic element. However, the tie rod 1 in the prior art is obtained by turning, the diameter of the blank of the tie rod 1 is corresponding to the size of the head of the upper end of the tie rod 1, and more material needs to be turned from the blank of the tie rod 1 during the turning process to obtain a relatively slender main body part of the tie rod 1, which results in time-consuming and material-wasting in the turning process.
In addition, referring to fig. 1 to 3, since the through holes of the tie rod 1 and the shaft core 2 are both cylindrical, the contact between the tie rod 1 and the through hole of the shaft core 2 is a "cylindrical pair" (as shown at m in fig. 2 and n in fig. 3), and the "cylindrical pair" cannot limit the relative rotation between the tie rod 1 and the shaft core 2. The locking of the pull rod 1 and the shaft core 2 completely depends on the friction force formed by the chuck 3 and the inner wall of the lower end opening of the shaft core 2, however, because the friction force is not absolutely reliable, the pull rod 1 and the shaft core 2 rotate relatively in the process of high-speed rotation processing of the main shaft.
Although the centerline of the collet 3 appears to be collinear with the axis of rotation of the core 2, in practice, the centerline of the collet 3 is at an angle to the axis of rotation of the core 2 that results in some deviation in the quality of the tool. As described above, during the rotation process of the spindle 2, the pull rod 1 and the spindle 2 rotate relative to each other to cause the deflection angle to change irregularly, which results in irregular change of the quality deviation of the tool, and since the quality deviation change is caused by the relative rotation of the pull rod 1 and the spindle 2 during the process, the manner and degree of the relative rotation cannot be expected and controlled, which results in that the quality deviation change cannot be predicted and corrected, and thus the quality of the product is difficult to control.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a drawbar structure, which has a more convenient manufacturing process, a lower cost, a more stable processing quality and a lower processing fraction defective.
One of the objectives of the present invention is to provide a spindle, which has a pull rod with a more convenient manufacturing process and a lower cost, and also has a more stable processing quality and a lower processing fraction defective.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides a pull rod structure, includes axle core and pull rod, the axle core is equipped with the through-hole, the pull rod is worn to locate the through-hole, the top cover of axle core is equipped with pretension elastic component, the top threaded connection of pull rod has pretension nut, the both ends of pretension elastic component are respectively supporting the axle core with pretension nut, the through-hole includes non-circular hole section, the pull rod is equipped with non-circular shaft section, non-circular shaft section with non-circular hole section slidable ground cooperates.
Specifically, the non-circular shaft segment is the same shape as the non-circular bore segment.
Specifically, the length of the non-circular hole section and the length of the non-circular shaft section are both not less than 0.2 mm.
Specifically, the upper part of the shaft core is provided with an elastic element shaft shoulder, the upper end of the pre-tightening elastic element abuts against the pre-tightening nut, and the lower end of the pre-tightening elastic element is overlapped with the elastic element shaft shoulder.
Specifically, the cross sections of the non-circular shaft section and the non-circular hole section are both polygonal.
Specifically, the cross sections of the non-circular shaft section and the non-circular hole section are respectively in a regular triangle, a regular quadrangle, a regular hexagon, a regular octagon or a regular decagon.
A main shaft comprises a shell, a motor and a pull rod structure, wherein a bearing is arranged in the shell and supports a shaft core, the motor is used for driving the shaft core to rotate, and a chuck is connected to the lower end of the pull rod through threads.
Specifically, the lower end of the pull rod is provided with a lower threaded section, the non-circular shaft section is arranged on the upper side of the lower threaded section, the lower threaded section is in threaded connection with the chuck, the lower end of the non-circular shaft section is abutted against the upper end of the chuck, and the non-circular shaft section cannot enter the through hole except for the non-circular hole section.
Specifically, the shell is internally provided with a lower bearing, the lower part of the shaft core is in threaded connection with a lower locking nut, the lower locking nut abuts against an inner ring of the lower bearing, a lower pressing cover is arranged between the lower locking nut and the lower end edge of the shell and presses an outer ring of the lower bearing, and a bonding boundary of the lower locking nut and the lower pressing cover is in a bent shape.
Specifically, be equipped with the upper bearing in the casing, the upper portion cover of axle core is equipped with bearing installation cover, bearing installation cover with axle core interference fit, bearing installation cover is equipped with the outward flange, axle core threaded connection has the lid that compresses tightly, compress tightly the lid with the outward flange presss from both sides tightly jointly the inner circle of upper bearing.
Compared with the prior art, the invention has the beneficial effects that:
because the top end of the pull rod is connected with a pre-tightening nut in a threaded manner. The two ends of the pre-tightening elastic piece respectively abut against the shaft core and the pre-tightening nut, when the application scene that the through hole of the shaft core is very narrow is faced, the upper end of the pull rod is connected with the pre-tightening nut through threads, and a head with a large size is not required to be arranged, so that the pull rod can be directly processed by adopting a slender blank, a thicker blank with a diameter corresponding to the head is not required to be selected for the head with the large size, and too many materials are not required to be turned in the processing process. Therefore, the top end of the pull rod is in threaded connection with the pre-tightening nut, the processing process of the pull rod can be simplified, and the cost is reduced.
The through bore of the mandrel includes a non-circular bore segment. The pull rod is provided with a non-circular shaft section which is matched with the non-circular hole section in a sliding way, so that the contact between the pull rod and the shaft core is no longer a cylindrical surface pair, and therefore, the relative rotation of the pull rod and the shaft core is limited to the maximum extent in the rotating process of the shaft core. When the spindle of the invention (including the tension rod structure of the invention) is installed, the tension rod is inserted into the spindle core from the lower end, and then the pretension nut is connected with the tension rod in a threaded manner. And then the chuck is connected with the pull rod through threads so as to lock the chuck and the pull rod mutually. And then gradually screwing the pre-tightening nut to lock the chuck, thereby completing the installation of the cutter. After the tool is mounted, the cutting deviation caused by the axis deviation of the tool itself is measured, and after the measurement, the cutting process can be carried out formally. During the cutting process, the non-circular shaft section is matched with the non-circular hole section, the relative rotation of the shaft core and the pull rod is limited as much as possible, and therefore, the relative rotation of the chuck (the cutter) and the shaft core is also limited as much as possible due to the fact that the chuck and the pull rod are mutually locked. Therefore, in the cutting process, the cutter and the shaft core do not rotate relatively basically, so that the deflection angle between the axis of the cutter and the rotation axis of the shaft core is not changed basically, namely the deviation of the cutting quality of the cutter caused by the deflection angle is not changed basically, so that the cutting deviation caused by the deviation of the axis of the cutter is measured only once after the cutter is installed, the measurement result can be applied to the whole cutting process, and the deviation of the cutting quality is not changed due to the relative rotation of the cutter and the shaft core in the processing process, therefore, the spindle of the invention can ensure the processing quality and reduce the reject ratio of products.
Drawings
FIG. 1 is a semi-sectional view of a prior art spindle that may be partially referenced;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged partial view taken at B in FIG. 1;
FIG. 4 is an exploded view of a partial half cut away view of the spindle of the present invention;
FIG. 5 is a partial half cut away view of the spindle of the present invention;
FIG. 6 is an enlarged partial view at C of FIG. 5;
FIG. 7 is a cross-sectional view corresponding to section K-K in FIG. 5;
FIG. 8 is an enlarged partial view taken at D in FIG. 5;
figure 9 is a half cut away view of the spindle of the present invention.
In the figure: 1. a pull rod; 11. pre-tightening the elastic piece; 12. pre-tightening the nut; 13. a non-circular shaft section; 2. a shaft core; 21. a non-circular bore segment; 22. an elastic member shoulder; 23. a bearing mounting sleeve; 231. an outer flange; 24. a compression cover; 25. a through hole; 3. a chuck; 4. a housing; 41. a lower lock nut; 42. a lower gland; 5. a motor; 61. an upper bearing; 62. a lower bearing; 7. tightly abutting against the elastic piece; 8. and a cylinder.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Referring to fig. 4, the spindle comprises a housing 4, wherein an upper bearing 61, a lower bearing 62, a motor 5, a shaft core 2 and a pull rod 1 are arranged in the housing 4, and the shaft core 2 and the pull rod 1 jointly form a pull rod structure. The upper bearing 61 and the lower bearing 62 support the shaft core 2 together, and the motor 5 is used for driving the shaft core 2 to rotate. Referring to fig. 5 and 6, the shaft core 2 is provided with a through hole 25, the pull rod 1 penetrates through the through hole 25, and the lower end of the pull rod 1 is connected with the chuck 3 through threads. The top end of the shaft core 2 is sleeved with a pre-tightening elastic piece 11. The top end of the pull rod 1 is connected with a pre-tightening nut 12 through threads. The two ends of the pre-tightening elastic piece 11 respectively abut against the shaft core 2 and the pre-tightening nut 12. Referring to fig. 7, the through hole 25 of the core 2 includes a non-circular hole section 21. The pull rod 1 is provided with a non-circular shaft section 13, the non-circular shaft section 13 is the same as the non-circular hole section 21 in shape, and the non-circular shaft section 13 is slidably matched with the non-circular hole section 21.
It should be noted that the upper bearing 61 and the lower bearing 62 may be ball bearings as shown in fig. 4, or may be replaced by other types of bearings such as "air bearings".
The length of the non-circular hole section 21 and the length of the non-circular shaft section 13 are both not less than 0.2 mm. Specifically, the length of the non-circular shaft section 13 is 2mm to 6mm, and the length of the non-circular hole section 21 is 4mm to 8 mm. The non-circular shaft section 13 and the non-circular hole section 21 are polygonal in cross section, and specifically, the non-circular shaft section 13 and the non-circular hole section 21 are regular hexagons in cross section. As an alternative embodiment, the cross-section of the non-circular shaft section 13 and the non-circular hole section 21 is one of a regular triangle, a regular quadrangle, a regular octagon and a regular decagon.
The diameter of the through hole 25 of the shaft core 2 is 4 mm-8 mm. The spindle of the present application is a spindle of a numerically controlled engraving and milling machine, and thus the through hole 25 of the shaft core 2 needs to be made small enough, and in this embodiment, the diameter of the through hole 25 of the shaft core 2 is 5.8 mm.
The top end of the pull rod 1 is connected with a pre-tightening nut 12 in a threaded mode. The two ends of the pre-tightening elastic piece 11 respectively abut against the shaft core 2 and the pre-tightening nut 12, when the application scene that the through hole 25 of the shaft core 2 is very narrow is faced, the upper end of the pull rod 1 is connected with the pre-tightening nut 12 through threads, and a head with a large size is not required to be arranged, so that the pull rod 1 can be directly processed by adopting a slender blank, a thicker blank with a diameter corresponding to the head is not required to be selected for the head with the large size, and too many materials are not required to be turned in the processing process. Therefore, the top end of the pull rod 1 is in threaded connection with the pretightening nut 12, so that the processing process of the pull rod 1 can be simplified, and the cost can be reduced.
The through bore 25 of the spindle 2 comprises a non-circular bore section 21. The pull rod 1 is provided with the non-circular shaft section 13, and the non-circular shaft section 13 is matched with the non-circular hole section 21 in a sliding mode, so that the contact between the pull rod 1 and the shaft core 2 is no longer a cylindrical surface pair, and therefore, the relative rotation of the pull rod 1 and the shaft core 2 is limited to the maximum extent during the rotation work of the shaft core 2. When the spindle of the present invention is installed, the draw rod 1 is inserted into the spindle core 2 from the lower end, and then the preload nut 12 is screwed to the draw rod 1. And then the clamping head 3 is in threaded connection with the pull rod 1, so that the clamping head 3 and the pull rod 1 are locked with each other. And then gradually tightening the pre-tightening nut 12 to lock the chuck 3, thereby completing the installation of the cutter. After the tool is mounted, the cutting deviation caused by the axis deviation of the tool itself is measured, and after the measurement, the cutting process can be carried out formally. During the cutting process, the relative rotation between the spindle 2 and the pull rod 1 is limited as much as possible due to the non-circular shaft section 13 and the non-circular hole section 21, and thus, the relative rotation between the chuck 3 (tool) and the spindle 2 is also limited as much as possible due to the locking of the chuck 3 and the pull rod 1. Therefore, in the cutting process, the cutter and the shaft core 2 basically do not rotate relatively, so that the deflection angle between the axis of the cutter and the rotation axis of the shaft core is basically not changed, namely the deviation of the cutting quality of the cutter caused by the deflection angle is basically not changed, so that the cutting deviation caused by the deviation of the axis of the cutter is only required to be measured once after the cutter is installed, the measurement result can be applied to the whole cutting process, and the deviation of the cutting quality is not changed due to the relative rotation of the cutter and the shaft core 2 in the processing process, therefore, the spindle of the invention can ensure the processing quality and reduce the reject ratio of products.
Specifically, with reference to fig. 4 and 5, the lower end of the pull rod 1 is provided with a lower threaded section, the non-circular shaft section 13 is arranged on the upper side of the lower threaded section, the lower threaded section is in threaded connection with the chuck 3, the lower end of the non-circular shaft section 13 and the upper end of the chuck 3 abut against each other, and the non-circular shaft section 13 cannot enter the through hole 25 except for the circular hole section 21.
Specifically, as shown in fig. 6, the upper portion of the shaft core 2 is provided with an elastic member shoulder 22, the upper end of the pre-tightening elastic member 11 abuts against the pre-tightening nut 12, and the lower end of the pre-tightening elastic member 11 overlaps the elastic member shoulder 22.
Specifically, with reference to fig. 5 and 8, the lower portion of the shaft core 2 is connected with a lower lock nut 41 through a thread, the lower lock nut 41 abuts against an inner ring of the lower bearing 62, a lower gland 42 is arranged between the lower lock nut 41 and the lower end edge of the housing 4, the lower gland 42 presses an outer ring of the lower bearing 62, and a joint boundary between the lower lock nut 41 and the lower gland 42 is curved, so that the sealing effect is improved, and cutting fluid and iron chips are effectively prevented from entering the lower bearing 62.
Specifically, as shown in fig. 5, a bearing mounting sleeve 23 is sleeved on the upper portion of the shaft core 2, the bearing mounting sleeve 23 is in interference fit with the shaft core 2, and the bearing mounting sleeve 23 is provided with an outer flange 231. The shaft core 2 is screwed with a pressing cover 24, and the pressing cover 24 and the outer flange 231 clamp the inner ring of the upper bearing 61 together.
Specifically, as shown in fig. 5, the outer flange 231 is sleeved with the abutting elastic member 7, the upper end of the abutting elastic member 7 abuts against the outer ring of the upper bearing 61, and the lower end of the abutting elastic member 7 abuts against the housing 4. In this embodiment, the abutting elastic member 7 and the pre-tightening elastic member 11 are both disc springs.
Specifically, see fig. 9, the spindle of the present invention is provided with a cylinder 8, and the cylinder 8 is used to push the drawbar 1 downward for tool replacement. In the process that a piston rod of the air cylinder 8 pushes the pull rod 1 downwards, the pre-tightening nut 12 overcomes the elasticity of the pre-tightening elastic piece 11 to compress the pre-tightening elastic piece 11, the pull rod 1 moves downwards together with the chuck 3, in the process that the pull rod 1 moves downwards, the non-circular shaft section 13 only slides in the stroke range of the non-circular hole section 21, and the non-circular shaft section 13 is matched with the non-circular hole section 21 in a sliding mode, so that the contact between the pull rod 1 and the shaft core 2 is not a cylindrical surface pair any more, and therefore, in the process of rotating the shaft core 2, the relative rotation between the pull rod 1 and the shaft core 2 is limited to the maximum extent. During the cutting process, the relative rotation between the spindle 2 and the pull rod 1 is limited as much as possible due to the non-circular shaft section 13 and the non-circular hole section 21, and thus, the relative rotation between the chuck 3 (tool) and the spindle 2 is also limited as much as possible due to the locking of the chuck 3 and the pull rod 1. Therefore, in the cutting process, the cutter and the shaft core 2 basically do not rotate relatively, so that the deflection angle between the axis of the cutter and the rotation axis of the shaft core is basically not changed, namely the deviation of the cutting quality of the cutter caused by the deflection angle is basically not changed, so that the cutting deviation caused by the deviation of the axis of the cutter is only required to be measured once after the cutter is installed, the measurement result can be applied to the whole cutting process, and the deviation of the cutting quality is not changed due to the relative rotation of the cutter and the shaft core 2 in the processing process, therefore, the spindle of the invention can ensure the processing quality and reduce the reject ratio of products.
The embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a pull rod structure, includes axle core and pull rod, the axle core is equipped with the through-hole, the pull rod is worn to locate the through-hole, its characterized in that: the top end of the shaft core is sleeved with a pre-tightening elastic piece, the top end of the pull rod is in threaded connection with a pre-tightening nut, two ends of the pre-tightening elastic piece respectively abut against the shaft core and the pre-tightening nut, the through hole comprises a non-circular hole section, the pull rod is provided with a non-circular shaft section, and the non-circular shaft section is slidably matched with the non-circular hole section.
2. The tie rod structure of claim 1, wherein: the non-circular shaft segment is the same shape as the non-circular bore segment.
3. The tie rod structure of claim 1, wherein: the length of the non-circular hole section and the length of the non-circular shaft section are not less than 0.2 mm.
4. The tie rod structure of claim 1, wherein: the upper portion of the shaft core is provided with an elastic element shaft shoulder, the upper end of the pre-tightening elastic element abuts against the pre-tightening nut, and the lower end of the pre-tightening elastic element is overlapped with the elastic element shaft shoulder.
5. The tie rod structure of claim 1, wherein: the cross sections of the non-circular shaft section and the non-circular hole section are both polygonal.
6. The tie rod structure of claim 1, wherein: the cross sections of the non-circular shaft section and the non-circular hole section are regular triangle/regular quadrangle/regular hexagon/regular octagon/regular decagon.
7. A spindle, characterized by: the pull rod structure comprises a shell, a motor and the pull rod structure according to any one of claims 1 to 6, wherein a bearing is arranged in the shell, the bearing supports the shaft core, the motor is used for driving the shaft core to rotate, and a chuck is connected to the lower end of the pull rod through threads.
8. The spindle of claim 7, wherein: the lower end of the pull rod is provided with a lower threaded section, the non-circular shaft section is arranged on the upper side of the lower threaded section, the lower threaded section is in threaded connection with the chuck, the lower end of the non-circular shaft section is abutted against the upper end of the chuck, and the non-circular shaft section cannot enter the through hole except for the circular hole section.
9. The spindle of claim 7, wherein: the bearing is characterized in that a lower bearing is arranged in the shell, the lower portion of the shaft core is in threaded connection with a lower locking nut, the lower locking nut abuts against an inner ring of the lower bearing, a lower pressing cover is arranged between the lower locking nut and the lower end edge of the shell, the lower pressing cover presses an outer ring of the lower bearing, and a joint boundary between the lower locking nut and the lower pressing cover is bent.
10. The spindle of claim 7, wherein: the improved bearing structure is characterized in that an upper bearing is arranged in the shell, a bearing installation sleeve is sleeved on the upper portion of the shaft core, the bearing installation sleeve is in interference fit with the shaft core, an outer flange is arranged on the bearing installation sleeve, a compression cover is in threaded connection with the shaft core, and the compression cover and the outer flange clamp an inner ring of the upper bearing together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700187.9A CN110586966A (en) | 2019-07-31 | 2019-07-31 | Pull rod structure and main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700187.9A CN110586966A (en) | 2019-07-31 | 2019-07-31 | Pull rod structure and main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110586966A true CN110586966A (en) | 2019-12-20 |
Family
ID=68853264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910700187.9A Pending CN110586966A (en) | 2019-07-31 | 2019-07-31 | Pull rod structure and main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110586966A (en) |
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| JP2008137110A (en) * | 2006-12-01 | 2008-06-19 | Brother Ind Ltd | Main spindle device of machine tool |
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| CN102802847A (en) * | 2010-03-30 | 2012-11-28 | 株式会社牧野铣床制作所 | Main spindle apparatus for machine tool |
| CN203599539U (en) * | 2013-11-20 | 2014-05-21 | 广州市昊志机电股份有限公司 | Shaft core assembly of high-speed electric ball spindle |
| CN203599537U (en) * | 2013-11-20 | 2014-05-21 | 广州市昊志机电股份有限公司 | High-speed electric ball spindle |
| CN104144761A (en) * | 2012-03-08 | 2014-11-12 | 西铁城控股株式会社 | Guide bush adjusting device |
| CN104625104A (en) * | 2014-12-26 | 2015-05-20 | 广州市昊志机电股份有限公司 | Minitype multifunctional high-speed motorized spindle |
| CN207655925U (en) * | 2017-12-22 | 2018-07-27 | 深圳市兴旺达科技有限公司 | A kind of high-speed ball bearing Novel electric spindle |
| CN208195677U (en) * | 2018-03-27 | 2018-12-07 | 东莞市科隆实业有限公司 | A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open |
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2019
- 2019-07-31 CN CN201910700187.9A patent/CN110586966A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008137110A (en) * | 2006-12-01 | 2008-06-19 | Brother Ind Ltd | Main spindle device of machine tool |
| CN102802847A (en) * | 2010-03-30 | 2012-11-28 | 株式会社牧野铣床制作所 | Main spindle apparatus for machine tool |
| CN201988726U (en) * | 2011-03-28 | 2011-09-28 | 广州市昊志机电有限公司 | Bearing pre-tightening structure of high-speed electric main shaft |
| CN104144761A (en) * | 2012-03-08 | 2014-11-12 | 西铁城控股株式会社 | Guide bush adjusting device |
| CN203599539U (en) * | 2013-11-20 | 2014-05-21 | 广州市昊志机电股份有限公司 | Shaft core assembly of high-speed electric ball spindle |
| CN203599537U (en) * | 2013-11-20 | 2014-05-21 | 广州市昊志机电股份有限公司 | High-speed electric ball spindle |
| CN104625104A (en) * | 2014-12-26 | 2015-05-20 | 广州市昊志机电股份有限公司 | Minitype multifunctional high-speed motorized spindle |
| CN207655925U (en) * | 2017-12-22 | 2018-07-27 | 深圳市兴旺达科技有限公司 | A kind of high-speed ball bearing Novel electric spindle |
| CN208195677U (en) * | 2018-03-27 | 2018-12-07 | 东莞市科隆实业有限公司 | A kind of main shaft double inclined plane, which is covered with dust, tears knife dustproof construction open |
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Application publication date: 20191220 |