CN211901484U - Ball screw bearing supporting structure with eccentric structure - Google Patents
Ball screw bearing supporting structure with eccentric structure Download PDFInfo
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- CN211901484U CN211901484U CN202020519441.3U CN202020519441U CN211901484U CN 211901484 U CN211901484 U CN 211901484U CN 202020519441 U CN202020519441 U CN 202020519441U CN 211901484 U CN211901484 U CN 211901484U
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Abstract
The utility model discloses an eccentric structure's ball screw bearing structure, which comprises a mounting, the both ends at mounting top are provided with motor end screw bearing respectively and support and the support of lead screw distal end bearing, the bottom that motor end screw bearing supported and the bottom that the support of lead screw distal end bearing all fix through the top of screw with the mounting, fixedly connected with ball screw between motor screw bearing supports and the support of lead screw distal end bearing, be provided with the motion piece on the ball screw, be provided with the motion guide on the mounting, looks adaptation between motion guide and the motion piece, all be provided with bearing support set screw on the support of motor end screw bearing's bottom and the support of lead screw distal end bearing, relate to digit control machine tool technical field. The eccentric structure of the ball screw bearing supporting structure of the eccentric structure is convenient to adjust, the adjusting structure has long-term effectiveness, and the adjustment can be conveniently and timely carried out whenever any reason causes that the coaxiality of the two ends of the screw cannot meet the requirement.
Description
Technical Field
The utility model relates to a digit control machine tool technical field specifically is an eccentric structure's ball screw bearing structure.
Background
The ball screw is commonly used in machine tools, and is a typical structure of linear motion of the machine tool, and the traditional structure mode is shown in fig. 5, 6 and 7: part 1 is the mounting, part 2 is motor end lead screw bearing support, part 3 is ball screw, part 4 is the moving part, part 5 is the lead screw distal end bearing support, part 6 is the motion guide rail, part 7 is bearing support set screw, part 8 is the ball screw nut.
The specific installation and adjustment method of the structure is as follows: the bearing support for mounting the screw rod needs to meet the requirements of ensuring the coaxiality of the part 2 and the part 5, ensuring that a connecting line of bearing holes of the part 2 and the part 5 is parallel to a moving track part 6, and ensuring that the two dimensions are within the range of process requirements and within 0.03mm by trimming the fixed surface 1 and the fixed surface 2 and adjusting the difference value between the La1 dimension and the Lb1 dimension when the part 2 and the part 5 are mounted, but the precision machine tool requires within 0.01, so that the mode is difficult, the part 1, the part 2 and the part 5 need to be machined by the machine tool with high precision, but a common machine tool factory does not have the machine tool with high precision.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides an eccentric structure's ball screw bearing structure has solved the inconvenient problem of lead screw regulation.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an eccentric structure's ball screw bearing structure includes the mounting, the both ends at mounting top are provided with motor end screw bearing respectively and support and the support of lead screw distal end bearing, the bottom that motor end screw bearing supported with the bottom that lead screw distal end bearing supported all through the screw with the top of mounting is fixed, motor screw bearing support with fixedly connected with ball screw between the support of lead screw distal end bearing, the last motion piece that is provided with of ball screw, be provided with the motion guide on the mounting, the motion guide with looks adaptation between the motion piece, the bottom that motor end screw bearing supported with all be provided with bearing support set screw on the support of lead screw distal end bearing, the motion piece with be provided with the ball screw nut between the ball screw.
Further, the bearing rotation center holes at two ends of the ball screw are adjusted through the bearing support fixing screws.
Further, the bottom of the motor end screw rod bearing support and the end face of the screw rod far-end bearing support are provided with mounting holes matched with the bearing support fixing screws, and the mounting holes are of arc-shaped structures.
Further, still include the alignment jig, the bottom fixedly connected with of alignment jig inner wall adjusts the telescopic link, two adjust telescopic link horizontal installation and symmetric distribution.
Furthermore, the output end of the adjusting telescopic rod is fixedly connected with a first linkage block, the first linkage block is rotatably connected with a linkage shaft through a rotating shaft, and the top of the linkage shaft is fixedly connected with a second linkage block.
Furthermore, the top of the second linkage block is fixedly connected with the bottom of the fixing piece, a limiting sliding block is fixedly connected to the side face of the fixing piece, and the fixing piece is in sliding connection with the surface of the fixing piece through the limiting sliding block.
Further, the both sides of the bottom of alignment jig inner wall all fixedly connected with touch panel, the top of touch panel is higher than the top of adjusting the expansion bracket.
Further, the inside of mounting rotates and is connected with the regulating spindle, the surface of regulating spindle is the structure of double thread face to the right-hand member of regulating spindle runs through the mounting and extends to the outside of mounting, spacing slide opening has been seted up on the right side of alignment jig, spacing slide opening with looks adaptation between the regulating spindle to fixedly connected with mount on the mounting.
Furthermore, the right side of the fixing frame passes through the limiting sliding hole and extends to the outside of the adjusting frame, a driving motor is fixedly connected to the fixing frame, and the output end of the driving motor is fixedly connected with one end of the adjusting shaft.
Further, the surperficial threaded connection of regulating spindle has two thread bush, the top of thread bush rotates through the pivot and is connected with the catch bar, the top of catch bar rotates and is connected with the rotating turret, fixedly connected with adjusts the angle frame on the rotating turret, the top of adjusting the angle frame is run through the mounting and with the bottom that motor end lead screw bearing supported is connected, the right side at mounting top rotates and is connected with the support angle frame, the top of supporting the angle frame with the bottom that the lead screw distal end bearing supported is connected.
(III) advantageous effects
The utility model discloses following beneficial effect has:
this ball screw bearing support structure of eccentric structure, can adjust through the bearing gyration centre bore at lead screw both ends, eccentric adjustment is that lead screw bearing gyration central line is a circle around fixed center gyration, the nodical just in the position that needs of two circles of respective lead screw bearing gyration central line adjustment orbit that motor end lead screw bearing supported and lead screw distal end bearing supported, eccentric structure is convenient for adjust, and this adjustment structure has long-term validity, whenever when the axiality at lead screw both ends can not reach the requirement because of any kind of reason, can conveniently in time adjust.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a top view of the ensemble shown in FIG. 1;
FIG. 3 is a left side view of the whole of FIG. 1;
fig. 4 is a schematic diagram of the adjustment principle provided by the present invention;
FIG. 5 is a schematic view of a conventional screw bearing support structure;
FIG. 6 is a top view of the ensemble shown in FIG. 4;
FIG. 7 is a left side elevational view of the whole illustrated in FIG. 4;
fig. 8 is a schematic structural diagram of a second embodiment provided by the present invention;
fig. 9 is a structural view of the adjustment shaft portion shown in fig. 8.
In the figure, 1-fixed part, 2-motor end lead screw bearing support, 3-ball lead screw, 4-moving part, 5-lead screw far-end bearing support, 6-moving guide rail, 7-bearing support fixing screw, 8-ball lead screw nut, 2 a-change track of axle center of motor end lead screw bearing support, 3 b-change track of axle center of ball lead screw, 9-adjusting frame, 91-adjusting telescopic rod, 92-first linkage block, 93-linkage shaft, 94-second linkage block, 95-touch plate, 10-limit slide block, 11-adjusting shaft, 111-limit slide hole, 112-fixed frame, 113-driving motor, 114-thread sleeve, 115-push rod, 116-rotating frame, 12-adjusting angle frame, 13-supporting the corner bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The first embodiment:
referring to fig. 1-7, an embodiment of the present invention provides a technical solution: a ball screw bearing supporting structure with an eccentric structure comprises a fixing piece 1, a motor end screw bearing support 2 and a screw far-end bearing support 5 are respectively arranged at two ends of the top of the fixing piece 1, the bottom of the motor end screw rod bearing support 2 and the bottom of the screw rod far end bearing support 5 are both fixed with the top of the fixing piece 1 through screws, a ball screw 3 is fixedly connected between the motor screw shaft bearing support 2 and the screw far-end bearing support 5, the ball screw 3 is provided with a moving part 4, the fixing part 1 is provided with a moving guide rail 6, the motion guide rail 6 is matched with the motion part 4, bearing support fixing screws 7 are arranged on the bottom of the motor end screw rod bearing support 2 and the screw rod far end bearing support 5, and a ball screw nut 8 is arranged between the motion part 4 and the ball screw rod 3.
The bearing rotation center holes at the two ends of the screw rod can be adjusted, the eccentric adjustment is that the rotation center line of the screw rod bearing is a circle rotating around the fixed center, the intersection point of two circles of the adjustment tracks of the rotation center lines of the respective screw rod bearings of the motor end screw rod bearing support 2 and the screw rod far-end bearing support 5 is a required position, the eccentric structure is convenient to adjust, and the adjustment structure has long-term effectiveness, and can be conveniently and timely adjusted whenever any reason causes that the coaxiality of the two ends of the screw rod cannot meet the requirement.
All parts are in place and care is taken to mount the eccentric high point above during installation.
The dimensions La1 and Lb1, La2 and Lb2 were first measured.
The direction of the eccentricity adjustment is determined by comparing the size of the dimension La1 with the size of the dimension Lb1, and the direction of the eccentricity adjustment is determined by comparing the sizes of the dimensions La2 and Lb 2.
Loosening bearing support fixing screws 7 for fixing the motor end screw rod bearing support 2 and the screw rod distal end bearing support 5, supposing that the size La1 is larger than the size Lb1, because the eccentricity is at the highest point at the moment theoretically, the screw rod distal end bearing support 5 can not be heightened again, the rotation center of the motor end screw rod bearing support 2 needs to be lowered, the size La2 and the size Lb2 are considered while adjusting the motor end screw rod bearing support 2, because the left rotation and the right rotation of the motor end screw rod bearing support 2 at the highest point can reduce the size La1, and if the La2 is larger than the Lb2, the rotation direction of the motor end screw rod bearing support 2 should be the direction of reducing the size La 2.
At this time, after the motor end screw rod bearing support 2 is adjusted, the screw rod distal end bearing support 5 needs to be adjusted, so that the size La1, the size Lb1, the size La2 and the size Lb2 are adjusted, when the position is adjusted to be close to the intersection point of the tracks, the support rotation center of the screw rod bearing is close, when the difference between the La1 and the size Lb1 of the comparison size is smaller than 0.01mm, and the difference between the La2 and the size Lb2 is smaller than 0.01mm, the requirement is met, at this time, the motor end screw rod bearing support 2 and the screw rod distal end bearing support 5 are fixed by using the bearing support fixing screw 7, and the position adjustment of the rotation center of the screw rod bearing support is completed.
And the bearing rotary center holes at the two ends of the ball screw 3 are adjusted through the bearing support fixing screws 7, so that the required coaxiality can be conveniently achieved through adjustment.
The bottom that motor end lead screw bearing supported 2 with the terminal surface that lead screw distal end bearing supported 5 seted up with the mounting hole that 7 looks adaptations of bearing support set screw, the mounting hole is curved structure, and curved mounting hole makes things convenient for motor end lead screw bearing to support 2 rotation regulation, and lead screw distal end bearing supports 5 and motor end lead screw bearing and supports 2 regulation structure the same.
In use, dimensions La1 and Lb1, and dimensions La2 and Lb2 are first measured.
The direction of the eccentricity adjustment is determined by comparing the size of the dimension La1 with the size of the dimension Lb1, and the direction of the eccentricity adjustment is determined by comparing the sizes of the dimensions La2 and Lb 2.
Loosening bearing support fixing screws 7 for fixing the motor end screw rod bearing support 2 and the screw rod distal end bearing support 5, supposing that the size La1 is larger than the size Lb1, because the eccentricity is at the highest point at the moment theoretically, the screw rod distal end bearing support 5 can not be heightened again, the rotation center of the motor end screw rod bearing support 2 needs to be lowered, the size La2 and the size Lb2 are considered while adjusting the motor end screw rod bearing support 2, because the left rotation and the right rotation of the motor end screw rod bearing support 2 at the highest point can reduce the size La1, and if the La2 is larger than the Lb2, the rotation direction of the motor end screw rod bearing support 2 should be the direction of reducing the size La 2.
At this time, after the motor end screw rod bearing support 2 is adjusted, the screw rod distal end bearing support 5 needs to be adjusted, so that the size La1, the size Lb1, the size La2 and the size Lb2 are adjusted, when the position is adjusted to be close to the intersection point of the tracks, the support rotation center of the screw rod bearing is close, when the difference between the La1 and the size Lb1 of the comparison size is smaller than 0.01mm, and the difference between the La2 and the size Lb2 is smaller than 0.01mm, the requirement is met, at this time, the motor end screw rod bearing support 2 and the screw rod distal end bearing support 5 are fixed by using the bearing support fixing screw 7, and the position adjustment of the rotation center of the screw rod bearing support is completed.
Second embodiment:
referring to fig. 8 and 9, a second embodiment of the present application provides another eccentric ball screw bearing support structure based on the eccentric ball screw bearing support structure provided in the first embodiment of the present application. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference of the eccentric structure ball screw bearing support structure provided in the second embodiment of the present application lies in that the eccentric structure ball screw bearing support structure further includes:
still include alignment jig 9, the bottom fixedly connected with of 9 inner walls of alignment jig adjusts telescopic link 91, two adjust telescopic link 91 horizontal installation and symmetric distribution.
External power and control switch when two telescopic adjusting rod 91 use to on two telescopic adjusting rod 91's the same control button of control termination, conveniently carry out synchro control, the convenient altitude mixture control to mounting 1.
The output end of the adjusting telescopic rod 91 is fixedly connected with a first linkage block 92, the first linkage block 92 is rotatably connected with a linkage shaft 93 through a rotating shaft, and the top of the linkage shaft 93 is fixedly connected with a second linkage block 94.
The top of the second linkage block 94 is fixedly connected with the bottom of the fixed part 1, the side surface of the fixed part 1 is fixedly connected with a limiting slide block 10, and the fixed part 1 is slidably connected with the surface of the fixed part 1 through the limiting slide block 10.
During the use, start telescopic adjusting rod 91, telescopic adjusting rod 91 drives first linkage block 92 and keeps away from telescopic adjusting rod 91, and first linkage block 92 promotes second linkage block 94 rebound through universal driving shaft 93 when removing, and second linkage block 93 promotes mounting 1 rebound in step to the convenience carries out the fine setting of height to the equipment on mounting 1, makes things convenient for the high fine setting of mounting 1 installation back top equipment, makes things convenient for the butt joint and the installation of equipment.
The equal fixedly connected with of both sides of the bottom of adjusting bracket 1 inner wall is to touch panel 95, touch panel 95's top is higher than adjust the top of expansion bracket 91.
When the fixing piece 1 needs to be adjusted downwards, only the telescopic adjusting rod 91 needs to be adjusted reversely, so that the telescopic adjusting rod 91 pulls the first rotating block 92, the first rotating block 92 pulls the second rotating block 94 to move downwards synchronously through the linkage shaft 93, the second rotating block 94 drives the fixing piece 1 at the top to move downwards synchronously, in the process that the fixing piece 1 moves downwards, the abutting plate 95 plays a limiting role in the fixing piece 1, the stability of moving and adjusting of the fixing piece 1 is guaranteed, and the abutting phenomenon between the fixing piece 1 and the telescopic adjusting rod 9 in the descending process is avoided.
The inside of mounting 1 rotates and is connected with regulating spindle 11, the surface of regulating spindle 11 is the structure of double thread face to the right-hand member of regulating spindle 11 runs through mounting 1 and extends to the outside of mounting 1, spacing slide opening 111 has been seted up on the right side of alignment jig 9, spacing slide opening 111 with looks adaptation between the regulating spindle 11 to fixedly connected with mount 112 on mounting 1.
The right side of the fixing frame 112 passes through the limiting sliding hole 111 and extends to the outside of the adjusting frame 9, a driving motor 113 is fixedly connected to the fixing frame 112, and the output end of the driving motor 113 is fixedly connected with one end of the adjusting shaft 11.
When the driving motor 113 is used, an external power supply and an independent control button are connected, the driving motor 113 adopts a servo motor, the driving motor 113 conveniently drives the adjusting shaft 11 to rotate, the adjusting shaft 11 synchronously drives the thread sleeves 114 on two sides to move when rotating, the surface of the adjusting shaft 11 is in a reverse double-thread structure, the thread sleeves 114 on two sides are symmetrically distributed on the reverse threads on two sides, so that the adjusting shaft 11 synchronously drives the thread sleeves 114 on two sides to approach or separate from each other when rotating, the thread sleeves 114 are convenient to move and adjust, when the thread sleeves 114 on two sides approach each other, the thread sleeves 114 synchronously push the pushing rods 115 on two sides upwards, the pushing rods 115 on two sides synchronously push the adjusting angle bracket 12 above upwards through the rotating bracket 116, when the adjusting angle bracket 12 upwards moves, the motor end screw rod bearing support 2 above is pushed to upwards move and drives the screw rod end bearing support 5 on the right side to rotate along with the support angle bracket 13, thereby carry out the micro-adjustment of angle to the equipment of top to satisfy equipment angle dislocation and can't carry out the phenomenon of micro-adjustment, make the installation of equipment more convenient with the regulation on mounting 1, the installation environment that can adapt to is wider.
The surperficial threaded connection of regulating spindle 11 has two thread bush 114, the top of thread bush 114 is rotated through the pivot and is connected with catch bar 115, the top of catch bar 115 is rotated and is connected with rotating turret 116, fixedly connected with adjusts angle frame 12 on the rotating turret 116, the top of adjusting angle frame 12 is run through mounting 1 and with the bottom of motor end lead screw bearing support 2 is connected, the right side at mounting 1 top is rotated and is connected with support angle frame 13, support angle frame 13 the top with the bottom of lead screw distal end bearing support 5 is connected.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A ball screw bearing support structure of eccentric structure, includes mounting (1), its characterized in that: two ends of the top of the fixing piece (1) are respectively provided with a motor end screw rod bearing support (2) and a screw rod far end bearing support (5), the bottom of the motor end screw rod bearing support (2) and the bottom of the screw rod far-end bearing support (5) are fixed with the top of the fixing piece (1) through screws, a ball screw (3) is fixedly connected between the motor end screw rod bearing support (2) and the screw rod far end bearing support (5), a moving part (4) is arranged on the ball screw (3), a moving guide rail (6) is arranged on the fixing part (1), the motion guide rail (6) is matched with the motion part (4), the bottom of the motor end screw rod bearing support (2) and the screw rod far end bearing support (5) are both provided with bearing support fixing screws (7), a ball screw nut (8) is arranged between the moving part (4) and the ball screw (3).
2. An eccentrically constructed ball screw bearing support structure according to claim 1, wherein: and the bearing rotary center holes at the two ends of the ball screw (3) are adjusted through the bearing support fixing screws (7).
3. An eccentrically constructed ball screw bearing support structure according to claim 1, wherein: the bottom of the motor end screw rod bearing support (2) and the end face of the screw rod far-end bearing support (5) are provided with mounting holes matched with the bearing support fixing screws (7), and the mounting holes are of arc-shaped structures.
4. An eccentrically constructed ball screw bearing support structure according to claim 1, wherein: still include alignment jig (9), the bottom fixedly connected with of alignment jig (9) inner wall adjusts telescopic link (91), two adjust telescopic link (91) horizontal installation and symmetric distribution.
5. An eccentrically constructed ball screw bearing support structure according to claim 4, wherein: the output end of the adjusting telescopic rod (91) is fixedly connected with a first linkage block (92), the first linkage block (92) is rotatably connected with a linkage shaft (93) through a rotating shaft, and the top of the linkage shaft (93) is fixedly connected with a second linkage block (94).
6. An eccentrically constructed ball screw bearing support structure according to claim 5, wherein: the top of the second linkage block (94) is fixedly connected with the bottom of the fixing piece (1), the side face of the fixing piece (1) is fixedly connected with a limiting sliding block (10), and the fixing piece (1) is in sliding connection with the surface of the fixing piece (1) through the limiting sliding block (10).
7. An eccentrically constructed ball screw bearing support structure according to claim 6, wherein: the equal fixedly connected with of both sides of the bottom of alignment jig (9) inner wall supports touch panel (95), the top of supporting touch panel (95) is higher than adjust the top of telescopic link (91).
8. An eccentrically constructed ball screw bearing support structure according to claim 7, wherein: the inside of mounting (1) is rotated and is connected with regulating spindle (11), the surface of regulating spindle (11) is the structure of double thread face to the right-hand member of regulating spindle (11) runs through mounting (1) and extends to the outside of mounting (1), spacing slide opening (111) have been seted up on the right side of alignment jig (9), spacing slide opening (111) with looks adaptation between regulating spindle (11) to fixedly connected with mount (112) on mounting (1).
9. The eccentric structured ball screw bearing support structure according to claim 8, wherein: the right side of the fixed frame (112) passes through the limiting sliding hole (111) and extends to the outside of the adjusting frame (9), a driving motor (113) is fixedly connected to the fixed frame (112), and the output end of the driving motor (113) is fixedly connected with one end of the adjusting shaft (11).
10. The eccentrically structured ball screw bearing support structure of claim 9, wherein: the surperficial threaded connection of regulating spindle (11) has two thread bush (114), the top of thread bush (114) is rotated through the pivot and is connected with catch bar (115), the top of catch bar (115) is rotated and is connected with rotating turret (116), fixedly connected with regulation angle frame (12) on rotating turret (116), the top of regulation angle frame (12) is run through mounting (1) and with the bottom of motor end lead screw bearing support (2) is connected, the right side at mounting (1) top is rotated and is connected with support angle frame (13), the top of supporting angle frame (13) with the bottom of lead screw distal end bearing support (5) is connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519441.3U CN211901484U (en) | 2020-04-10 | 2020-04-10 | Ball screw bearing supporting structure with eccentric structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020519441.3U CN211901484U (en) | 2020-04-10 | 2020-04-10 | Ball screw bearing supporting structure with eccentric structure |
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| CN211901484U true CN211901484U (en) | 2020-11-10 |
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| CN202020519441.3U Active CN211901484U (en) | 2020-04-10 | 2020-04-10 | Ball screw bearing supporting structure with eccentric structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365433A (en) * | 2020-04-10 | 2020-07-03 | 滕州市海滕机床有限公司 | Ball screw bearing supporting structure with eccentric structure |
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2020
- 2020-04-10 CN CN202020519441.3U patent/CN211901484U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365433A (en) * | 2020-04-10 | 2020-07-03 | 滕州市海滕机床有限公司 | Ball screw bearing supporting structure with eccentric structure |
| CN111365433B (en) * | 2020-04-10 | 2024-02-09 | 山东海滕机床股份有限公司 | Ball screw bearing supporting structure of eccentric structure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.151 Wenchang Road, Tengzhou City, Zaozhuang City, Shandong Province Patentee after: Shandong Haiteng Machine Tool Co.,Ltd. Address before: No.151 Wenchang Road, Tengzhou City, Zaozhuang City, Shandong Province Patentee before: TENGZHOU HAITENG MACHINE TOOL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ball screw bearing support structure with eccentric structure Effective date of registration: 20211230 Granted publication date: 20201110 Pledgee: Shandong Tengzhou Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Haiteng Machine Tool Co.,Ltd. Registration number: Y2021980017223 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230103 Granted publication date: 20201110 Pledgee: Shandong Tengzhou Rural Commercial Bank Co.,Ltd. Pledgor: Shandong Haiteng Machine Tool Co.,Ltd. Registration number: Y2021980017223 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |