CN109128272A - One kind having adjustable belt pulley drilling machine for machining - Google Patents
One kind having adjustable belt pulley drilling machine for machining Download PDFInfo
- Publication number
- CN109128272A CN109128272A CN201811062028.2A CN201811062028A CN109128272A CN 109128272 A CN109128272 A CN 109128272A CN 201811062028 A CN201811062028 A CN 201811062028A CN 109128272 A CN109128272 A CN 109128272A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- belt pulley
- fixed
- machining
- fixed case
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
Abstract
The invention discloses one kind to have adjustable belt pulley drilling machine for machining, including pedestal, support rod is fixedly connected at the top of pedestal, and the top of support rod is fixedly connected with board, the side of machine bottom is fixedly connected with drilling head, the top of the pedestal and side for being located at support rod is fixedly connected with regulating box, and adjust and be fixedly connected with teeth plate between the top and bottom of box cavity, it is related to machining drilling machine technical field.This has adjustable belt pulley drilling machine for machining, it can be good at controlling to adjust drilling depth, greatly improve the practicability of the device, change traditional bore mode, the mode for changing the up and down motion by drive fixed case and then drilling, reduce the cost of user to a certain extent, and borehole accuracy is high, can be good at that belt pulley hole to be drilled is fixed, greatly improve the fixed effect of belt pulley, and it is suitable for the belt pulley of different model, it is operated convenient for user.
Description
Technical field
The present invention relates to machining drilling machine technical fields, specially a kind of to have adjustable belt pulley drilling machine for machining.
Background technique
Drilling machine refers to that the main lathe for processing hole on workpiece with drill bit, usual bit are main motion, and drill bit axially moves
It moves as feed motion.Drilling machine structure is simple, and machining accuracy is relatively low, can holes drilled through, blind hole, replace special tool, can expand, ream
Hole, the processing such as fraising or progress tapping.Workpiece is motionless in process, makes cutter mobile, by center cutter alignment hole center, and
Cutter is set to rotate (main motion), the characteristics of drilling machine is that workpiece is fixed, and cutter makes rotating motion, and is fed along major axes orientation,
Operation can be manually, be also possible to it is motor-driven, on drilling machine be furnished with technological equipment when, bore hole can also be carried out, matched on drilling machine
Universal table also can be carried out drilling, reaming, fraising, during belt pulley processing, it is often necessary to the belt of semi-finished product
Wheel drills, and needs that it is fixed when belt pulley drilling, but existing drilling machine fixed effect is not fine, and not
The depth of drilling can be adjusted well, affect the use of user.
Traditional belt pulley drilling machine for machining, can not well control to adjust drilling depth, greatly reduce
The practicability of the device, cannot change traditional bore mode, change the up and down motion by drive fixed case and then drill
Mode, add somewhat to the cost of user, and borehole accuracy is not high, the person of being not convenient to use is adjusted, not enough
Securely and reliably, belt pulley hole to be drilled can not be fixed well, the fixed effect of belt pulley greatly reduces, and
The belt pulley of different model is not suitable for it, the person of being not convenient to use is operated, and can not be carried out to belt pulley hole to be drilled fine
Drilling, stability is strong.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides one kind to have adjustable belt pulley drilling machine for machining, solves
Belt pulley drilling machine for machining can not carry out control and regulation to drilling depth very well and can not be very well to belt pulley hole to be drilled
The problem of being fixed.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: one kind adds with adjustable belt pulley
Work drilling machine, including pedestal, are fixedly connected with support rod at the top of the pedestal, and the top of support rod be fixedly connected it is organic
Platform, the side of the machine bottom are fixedly connected with drilling head, the top of the pedestal and side for being located at support rod is fixed
It it is connected with regulating box, and adjusts and is fixedly connected with teeth plate between the top and bottom of box cavity, the box cavity that adjusts
It is fixedly connected to slide bar between top and bottom and positioned at the two sides of teeth plate, and the surface of slide bar slidably connects cunning
It covers, motor housing, and the top and bottom of motor box cavity is fixedly connected with by fixed block between the surface of two sliding sleeves
Partition is fixedly connected between portion, the side of the motor housing intracavity bottom is fixedly connected with motor, and electricity by support plate
The output end of machine is fixedly connected with rotating bar, and the one end of the rotating bar far from motor is through partition and extends to the one of partition
Side, the rotating bar extend to one end of partition side and the side of motor box cavity and are rotatablely connected by bearing, the rotation
The surface of bar is fixedly connected with gear, and the surface of the motor housing is fixedly connected with fixed plate by screw, the fixed plate
Top runs through regulating box and extends to the top of regulating box, and the surface that fixed plate extends at the top of regulating box is fixedly connected with
Fixed case.
Preferably, the back side of the gear runs through motor housing and extends to the outside of motor housing, and gear extends to electricity
It is engaged with the surface of teeth plate on surface outside cabinet.
Preferably, the side of the fixed box cavity is rotatably connected to threaded rod by bearing, and threaded rod surface
Two sides are fixedly connected with the screw thread of opposite direction, and the two sides on the threaded rod surface are threaded with thread bush, and screw thread
Riser is fixedly connected at the top of set, the top of the riser runs through fixed case and extends to the top of fixed case, and riser
The surface extended at the top of fixed case is fixedly connected with circular arc clamping plate.
Preferably, it is fixedly connected with fixed link between the two sides of the fixed box cavity and positioned at the bottom of threaded rod, and
And the surface of fixed link slidably connects limit sleeve, the top of the limit sleeve and the bottom of thread bush connect by the way that fixed block is fixed
It connects.
Preferably, the threaded rod runs through fixed case far from one end of fixed chamber interior wall and extends to the outside of fixed case,
And one end that threaded rod extends to outside fixed case is fixedly connected with rotating disk.
Preferably, the side of the support rod is fixedly connected with graduated scale, and the side of graduated scale slidably connects
One baffle, the fixed case are fixedly connected with second baffle far from the side of turncap.
Preferably, the bottom of the pedestal is fixedly connected with support.
Preferably, the surface at the top of the fixed case is fixedly connected with non-slip mat.
(3) beneficial effect
The present invention provides one kind to have adjustable belt pulley drilling machine for machining.Have it is following the utility model has the advantages that
(1), this has adjustable belt pulley drilling machine for machining, slidably connects sliding sleeve, two cunnings by the surface of slide bar
Motor housing is fixedly connected with by fixed block between the surface of set, and is fixedly connected between the top and bottom of motor box cavity
There is partition, the side of motor housing intracavity bottom is fixedly connected with motor by support plate, and the output end of motor is fixedly connected
There is rotating bar, rotating bar runs through partition far from one end of motor and extends to the side of partition, and rotating bar extends to partition side
One end and motor box cavity side by bearing rotation connection, the surface of rotating bar is fixedly connected with gear, motor housing
Surface is fixedly connected with fixed plate by screw, can be good at controlling to adjust drilling depth, greatly improves this
The practicability of device changes traditional bore mode, the mode for changing the up and down motion by drive fixed case and then drilling,
Reduce the cost of user to a certain extent, and borehole accuracy is high, is adjusted convenient for user, securely and reliably.
(2), this has adjustable belt pulley drilling machine for machining, is rotatablely connected by the side of fixed box cavity by bearing
There is threaded rod, and the two sides on threaded rod surface are fixedly connected with the screw thread of opposite direction, the equal screw thread in the two sides on threaded rod surface
It is connected with thread bush, and is fixedly connected with riser at the top of thread bush, the top of riser through fixed case and extends to fixation
The top of case, and the surface that extends at the top of fixed case of riser is fixedly connected with circular arc clamping plate, the two sides of fixed box cavity it
Between and be located at the bottom of threaded rod and be fixedly connected with fixed link, and the surface of fixed link slidably connects limit sleeve, limit sleeve
Top be fixedly connected with the bottom of thread bush by fixed block, can be good at that belt pulley hole to be drilled is fixed, greatly
The big fixed effect for improving belt pulley, and it is suitable for the belt pulley of different model, it is operated convenient for user.
(3), this has adjustable belt pulley drilling machine for machining, by being fixedly connected with support rod at the top of pedestal, and
The top of support rod is fixedly connected with board, and the side of machine bottom is fixedly connected with drilling head, the top of pedestal and is located at
The side of support rod is fixedly connected with regulating box, and adjusts and be fixedly connected with teeth plate between the top and bottom of box cavity,
Threaded rod runs through fixed case far from one end of fixed chamber interior wall and extends to the outside of fixed case, and threaded rod extends to fixation
One end outside case is fixedly connected with rotating disk, can be drilled well to belt pulley hole to be drilled, convenient and efficient.
(4), this has adjustable belt pulley drilling machine for machining, is fixedly connected with support by the bottom of pedestal, fixed
The surface of box top is fixedly connected with non-slip mat, adjusts between the top and bottom of box cavity and the two sides for being located at teeth plate are solid
Surely it is connected with slide bar, and the surface of slide bar slidably connects sliding sleeve, connects between the surface of two sliding sleeves by the way that fixed block is fixed
It is connected to motor housing, so that whole device stability is strong, ensure that the normal work of drilling machine.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the cross-sectional view that the present invention adjusts box structure；
Fig. 3 is the cross-sectional view of motor box structure of the present invention；
Fig. 4 is the cross-sectional view of motor housing side view structure of the present invention；
Fig. 5 is the cross-sectional view of the fixed box structure of the present invention.
In figure, 1 pedestal, 2 support rods, 3 boards, 4 drilling heads, 5 regulating boxs, 6 teeth plates, 7 slide bars, 8 sliding sleeves, 9 motors
Case, 10 partitions, 11 motors, 12 rotating bars, 13 gears, 14 fixed plates, 15 fixed cases, 16 threaded rods, 17 thread bush, 18 risers,
19 circular arc clamping plates, 20 fixed links, 21 limit sleeves, 22 graduated scales, 23 first baffles, 24 second baffles.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-5, the embodiment of the present invention provides a kind of technical solution: one kind having adjustable belt pulley processing brill
Bed, including pedestal 1, the top of pedestal 1 is fixedly connected with support rod 2, and the top of support rod 2 is fixedly connected with board 3, branch
The side of strut 2 is fixedly connected with graduated scale 22, and the height of graduated scale 22 and the height of drill bit are consistent, such 23 He of first baffle
Distance on graduated scale 22, the depth exactly to drill, user can first determine the depth for needing transmission control, and then user can
First baffle 23 is slided suitable distance on graduated scale 22, then user can be by pin to first baffle 23
Position be fixed, and the side of graduated scale 22 slidably connects first baffle 23, fixed case 15 far from turncap one
Side is fixedly connected with second baffle 24, and the bottom of pedestal 1 is fixedly connected with support, and the surface at 15 top of fixed case is fixedly connected
There is a non-slip mat, the side of 3 bottom of board is fixedly connected with drilling head 4, the top of the pedestal 1 and side for being located at support rod 2 is solid
Surely it is connected with regulating box 5, and is fixedly connected with teeth plate 6 between the top and bottom of 5 inner cavity of regulating box, 5 inner cavity of regulating box
Top and bottom between and be located at the two sides of teeth plate 6 and be fixedly connected to slide bar 7, and the surface of slide bar 7 is slidably connected
There is a sliding sleeve 8, motor housing 9, and the top of 9 inner cavity of motor housing are fixedly connected with by fixed block between the surface of two sliding sleeves 8
Partition 10 is fixedly connected between bottom, the side of 9 intracavity bottom of motor housing is fixedly connected with motor 11 by support plate, and
And the output end of motor 11 is fixedly connected with rotating bar 12, the one end of rotating bar 12 far from motor 11 is through partition 10 and extends to
The side of partition 10, the side of one end and 9 inner cavity of motor housing that rotating bar 12 extends to 10 side of partition is rotated by bearing to be connected
It connects, the surface of rotating bar 12 is fixedly connected with gear 13, and the back side of gear 13 through motor housing 9 and extends to the outer of motor housing 9
Portion, and the surface that gear 13 extends to outside motor housing 9 is engaged with the surface of teeth plate 6, and the surface of motor housing 9 passes through screw
It is fixedly connected with fixed plate 14, the top of fixed plate 14 runs through regulating box 5 and extends to the top of regulating box 5, and fixed plate
14 surfaces for extending to 5 top of regulating box are fixedly connected with fixed case 15, and motor housing 9 will drive the fortune of fixed plate 14 after moving
It is dynamic, and then driven the movement of entire fixed case 15, when 23 contact of second baffle 24 and first baffle of 15 side of fixed case
Afterwards, at this moment user can close motor 11, and the depth to drill in this way just meets the requirement of user, use after drilling is good
Person can start the reversion of motor 11, then unclamp circular hole clamping plate 19, then remove entire belt pulley, in fixed case 15
The side of chamber is rotatably connected to threaded rod 16 by bearing, and the two sides on 16 surface of threaded rod are fixedly connected with opposite direction
Screw thread, the two sides on 16 surface of threaded rod are threaded with thread bush 17, and the top of thread bush 17 is fixedly connected with riser
18, the top of riser 18 runs through fixed case 15 and extends to the top of fixed case 15, and riser 18 extends to the top of fixed case 15
The surface in portion is fixedly connected with circular arc clamping plate 19, between the two sides of 15 inner cavity of fixed case and is located at the bottom of threaded rod 16 and fixed connects
It is connected to fixed link 20, and the surface of fixed link 20 slidably connects limit sleeve 21, top and the thread bush 17 of limit sleeve 21
Bottom is fixedly connected by fixed block, and the one end of threaded rod 16 far from 15 inner wall of fixed case is through fixed case 15 and extends to fixation
The outside of case 15, and one end that threaded rod 16 extends to outside fixed case 15 is fixedly connected with rotating disk, user
Start the drilling head 4 on board 3, then belt pulley hole to be drilled can be placed on the top of fixed case 15 by user,
Threaded rod 16 can be rotated by turncap by placing rear user, because the surface of threaded rod 16 is fixedly connected with phase negative side
To screw thread, this has driven two thread bush 17 to be moved round about on the surface of threaded rod 16, has then driven in turn
The movement of riser 18, to drive the movement of circular arc clamping plate 19, such circular arc clamping plate 19 can be to 15 top of fixed case
Belt pulley hole to be drilled be fixed,.
In use, user can first determine the depth for needing transmission control, then user can exist first baffle 23
Suitable distance is slided on graduated scale 22, then user can be fixed by position of the pin to first baffle 23,
After fixing, user can start the drilling head 4 on board 3, and then user can be by belt hole to be drilled
Wheel is placed on the top of fixed case 15, and threaded rod 16 can be rotated by turncap by placing rear user, because of threaded rod
16 surface is fixedly connected with the screw thread of opposite direction, this has driven two thread bush 17 on the surface of threaded rod 16 to phase in turn
Opposite direction is moved, and the movement of riser 18 has then been driven, so that the movement of circular arc clamping plate 19 has been driven, such circular arc clamping plate
19 can be fixed the belt pulley hole to be drilled at 15 top of fixed case, and user can start motor after fixing
11, motor 11 will drive the rotation of rotating bar 12 after starting, and then entire motor housing 9 has been driven to be moved on teeth plate 6,
And slide bar 7 and sliding sleeve 8 can be very good to be defined the position of motor housing 6, motor housing 9 will drive fixed plate 14 after moving
Movement, and then the movement of entire fixed case 15 has been driven, when the second baffle 24 and first baffle 23 of 15 side of fixed case contact
Later, at this moment user can close motor 11, and the depth to drill in this way just meets the requirement of user, make after drilling is good
User can start the reversion of motor 11, then unclamp circular hole clamping plate 19, then remove entire belt pulley.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. one kind has adjustable belt pulley drilling machine for machining, including pedestal (1), it is characterised in that: the top of the pedestal (1)
It is fixedly connected with support rod (2), and the top of support rod (2) is fixedly connected with board (3), the one of board (3) bottom
Side be fixedly connected with drilling head (4), the top of the pedestal (1) and be located at support rod (2) side be fixedly connected with adjusting
Case (5), and be fixedly connected with teeth plate (6) between the top and bottom of regulating box (5) inner cavity, regulating box (5) inner cavity
Top and bottom between and be located at the two sides of teeth plate (6) and be fixedly connected to slide bar (7), and the surface of slide bar (7) is sliding
It is dynamic to be connected with sliding sleeve (8), it is fixedly connected with motor housing (9) between the surface of two sliding sleeves (8) by fixed block, and electricity
It is fixedly connected with partition (10) between the top and bottom of cabinet (9) inner cavity, the side of motor housing (9) intracavity bottom passes through
Support plate is fixedly connected with motor (11), and the output end of motor (11) is fixedly connected with rotating bar (12), the rotating bar
(12) one end far from motor (11) runs through partition (10) and extends to the side of partition (10), and the rotating bar (12) extends to
One end of partition (10) side and the side of motor housing (9) inner cavity are rotatablely connected by bearing, the surface of the rotating bar (12)
It is fixedly connected with gear (13), the surface of the motor housing (9) is fixedly connected with fixed plate (14), the fixed plate by screw
(14) top runs through regulating box (5) and extends to the top of regulating box (5), and fixed plate (14) extends to regulating box (5)
The surface at top is fixedly connected with fixed case (15).
2. according to claim 1 a kind of with adjustable belt pulley drilling machine for machining, it is characterised in that: the gear
(13) the back side runs through motor housing (9) and extends to the outside of motor housing (9), and gear (13) extends to motor housing (9) outside
It is engaged with the surface of teeth plate (6) on the surface in portion.
3. according to claim 1 a kind of with adjustable belt pulley drilling machine for machining, it is characterised in that: the fixed case
(15) side of inner cavity is rotatably connected to threaded rod (16) by bearing, and the two sides on threaded rod (16) surface are fixedly connected with
The two sides of the screw thread of opposite direction, threaded rod (16) surface are threaded with thread bush (17), and thread bush (17)
Top be fixedly connected with riser (18), the top of the riser (18) is through fixed case (15) and extends to fixed case (15)
Top, and the surface that riser (18) extends at the top of fixed case (15) is fixedly connected with circular arc clamping plate (19).
4. according to claim 3 a kind of with adjustable belt pulley drilling machine for machining, it is characterised in that: the fixed case
(15) it is fixedly connected with fixed link (20) between the two sides of inner cavity and positioned at the bottom of threaded rod (16), and fixed link (20)
Surface slidably connects limit sleeve (21), and the top of the limit sleeve (21) and the bottom of thread bush (17) are fixed by fixed block
Connection.
5. according to claim 3 a kind of with adjustable belt pulley drilling machine for machining, it is characterised in that: the threaded rod
(16) one end far from fixed case (15) inner wall runs through fixed case (15) and extends to the outside of fixed case (15), and threaded rod
(16) it extends to the external one end of fixed case (15) and is fixedly connected with rotating disk.
6. according to claim 1 a kind of with adjustable belt pulley drilling machine for machining, it is characterised in that: the support rod
(2) side is fixedly connected with graduated scale (22), and the side of graduated scale (22) slidably connects first baffle (23), described
Fixed case (15) is fixedly connected with second baffle (24) far from the side of turncap.
7. according to claim 1 a kind of with adjustable belt pulley drilling machine for machining, it is characterised in that: the pedestal
(1) bottom is fixedly connected with support.
8. according to claim 1 a kind of with adjustable belt pulley drilling machine for machining, it is characterised in that: the fixed case
(15) surface at the top of is fixedly connected with non-slip mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062028.2A CN109128272A (en) | 2018-09-12 | 2018-09-12 | One kind having adjustable belt pulley drilling machine for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811062028.2A CN109128272A (en) | 2018-09-12 | 2018-09-12 | One kind having adjustable belt pulley drilling machine for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109128272A true CN109128272A (en) | 2019-01-04 |
Family
ID=64824959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811062028.2A Pending CN109128272A (en) | 2018-09-12 | 2018-09-12 | One kind having adjustable belt pulley drilling machine for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109128272A (en) |
Citations (9)
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| KR20020016498A (en) * | 2000-08-24 | 2002-03-04 | 장관순 | Automatic Drilling/Tapping machine |
| CN202087862U (en) * | 2011-03-30 | 2011-12-28 | 芜湖瑞和机电有限公司 | Multi-drill frock clamp |
| CN102990370A (en) * | 2012-12-19 | 2013-03-27 | 南通第五机床有限公司 | Double-station overturning worktable for drilling machine |
| CN103433525A (en) * | 2013-08-30 | 2013-12-11 | 成都银科同步带轮制造有限公司 | Synchronous-pulley drilling machine capable of improving drilling accuracy |
| CN203578366U (en) * | 2013-09-27 | 2014-05-07 | 芜湖吉和机电厂 | Novel roller lifting device |
| CN106563834A (en) * | 2016-11-14 | 2017-04-19 | 仙桃祥泰汽车零部件有限公司 | Nut drilling device with high drilling efficiency |
| CN206287013U (en) * | 2016-12-23 | 2017-06-30 | 浙江长兴云达建设工程有限公司 | A kind of steel construction sanding apparatus of good fixing effect |
| CN206326152U (en) * | 2016-11-30 | 2017-07-14 | 重庆迪科机电设备有限公司 | A kind of dust-proof drilling machine |
| CN107326510A (en) * | 2017-08-04 | 2017-11-07 | 苏州宸浩纺织科技有限公司 | A kind of adjustable length textile rod |
-
2018
- 2018-09-12 CN CN201811062028.2A patent/CN109128272A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020016498A (en) * | 2000-08-24 | 2002-03-04 | 장관순 | Automatic Drilling/Tapping machine |
| CN202087862U (en) * | 2011-03-30 | 2011-12-28 | 芜湖瑞和机电有限公司 | Multi-drill frock clamp |
| CN102990370A (en) * | 2012-12-19 | 2013-03-27 | 南通第五机床有限公司 | Double-station overturning worktable for drilling machine |
| CN103433525A (en) * | 2013-08-30 | 2013-12-11 | 成都银科同步带轮制造有限公司 | Synchronous-pulley drilling machine capable of improving drilling accuracy |
| CN203578366U (en) * | 2013-09-27 | 2014-05-07 | 芜湖吉和机电厂 | Novel roller lifting device |
| CN106563834A (en) * | 2016-11-14 | 2017-04-19 | 仙桃祥泰汽车零部件有限公司 | Nut drilling device with high drilling efficiency |
| CN206326152U (en) * | 2016-11-30 | 2017-07-14 | 重庆迪科机电设备有限公司 | A kind of dust-proof drilling machine |
| CN206287013U (en) * | 2016-12-23 | 2017-06-30 | 浙江长兴云达建设工程有限公司 | A kind of steel construction sanding apparatus of good fixing effect |
| CN107326510A (en) * | 2017-08-04 | 2017-11-07 | 苏州宸浩纺织科技有限公司 | A kind of adjustable length textile rod |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |
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| RJ01 | Rejection of invention patent application after publication |