CN111761656A - Automatic and uniform drilling equipment for birdcage top frame - Google Patents
Automatic and uniform drilling equipment for birdcage top frame Download PDFInfo
- Publication number
- CN111761656A CN111761656A CN202010489278.5A CN202010489278A CN111761656A CN 111761656 A CN111761656 A CN 111761656A CN 202010489278 A CN202010489278 A CN 202010489278A CN 111761656 A CN111761656 A CN 111761656A
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- rack
- rotating shaft
- support frame
- frame
- wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
- B27C3/02—Stationary drilling machines with a single working spindle
Abstract
The invention relates to drilling equipment, in particular to automatic uniform drilling equipment for a birdcage top frame. The invention aims to provide automatic uniform drilling equipment for a birdcage top frame, which replaces manpower and can simply, conveniently and quickly drill holes. In order to solve the technical problem, the invention provides automatic uniform drilling equipment for a birdcage top frame, which comprises a rack, a motor, a first support frame, a first rotating shaft, a first straight-tooth bevel gear and the like; the anterior left side rotary type of diapire is connected with first pivot in the frame, and the motor is installed in diapire rear portion left side in the frame, and the output shaft of motor and the middle part of first pivot all are connected with first straight-tooth bevel gear. The invention can realize the intermittent rotation of the birdcage top frame and the intermittent movement of the push rod under the drive of the motor and the matching of the single-tooth gear and the annular rack, and the two actions are mutually matched, thereby controlling the distance between holes and realizing automatic punching.
Description
Technical Field
The invention relates to drilling equipment, in particular to automatic uniform drilling equipment for a birdcage top frame.
Background
Present birdcage top circle generally all is many stick cross connection and makes meshedly, make things convenient for the circulation of air in the birdcage like this, so at the in-process of birdcage top circle preparation, need earlier to set up the round hole to even spaced on the circumference wall of birdcage top circle, thereby make things convenient for the installation of stick, and in order to improve the convenience of stick installation, the hole on the top circle needs evenly to be set up, that is to say the distance between the adjacent round hole on the birdcage top circle equals, just so can be quick install the stick in relative both sides round hole. And now punch to birdcage top frame outer wall and generally all be artifical intermittent type nature and rotate birdcage top circle, under the cooperation of electric drill, accomplish offering of round hole on the birdcage top circle outer wall, can lead to the birdcage top circle to circle adjacent hole interval different like this to lead to the line between two holes relative not passing through the centre of a circle position of top circle easily, thereby need be at the crooked wooden rod of the in-process of wooden rod installation, thereby increase the time of top circle preparation.
In view of the above-mentioned problem to existence in the drilling of birdcage top frame, consequently need develop one kind and can replace artifical manual drilling, can control the distance in hole and hole, can also collect clastic automatic even drilling equipment of birdcage top frame simultaneously.
Disclosure of Invention
In order to overcome the defect that the consistency of the distance between adjacent holes cannot be ensured in the process of manually drilling the top frame of the birdcage at present, the technical problem is as follows: the automatic uniform drilling equipment can replace manual drilling, can control the distance between a hole and the hole, and can also collect chipped birdcage top frame.
The invention provides automatic uniform drilling equipment for a birdcage top frame, which comprises: the inner bottom wall of the rack is rotatably provided with a first rotating shaft, and the bottom wall of the rack close to one side of the first rotating shaft is provided with a motor; the first straight-tooth bevel gear is connected between the output shaft of the motor and the middle part of the first rotating shaft, and the two first straight-tooth bevel gears are meshed with each other; the first support frame is arranged in the middle of the side wall of the rack close to one side of the motor, and the end part of the first support frame close to one side of the first straight-tooth bevel gear is rotatably connected with the first rotating shaft; the second rotating shaft is arranged between the end part of the first support frame positioned above the motor and the inner top wall of the rack, and the transmission device is connected between the second rotating shaft and the first rotating shaft; the single-tooth gear is arranged on the second rotating shaft at one side far away from the motor and is positioned above the transmission device; the limiting rods for guiding the birdcage top frame during punching are arranged on both sides of the end part of the top wall of the rack; the third support frame is arranged on the bottom wall of the rack on one side far away from the joint of the first support frame and the rack, and a waste material frame is placed in the third support frame; the connecting ring is arranged at the end part of the first support frame close to one side of the third support frame, and the bottom wall of the connecting ring is connected with the top wall of the third support frame; the second support frame is arranged on the inner wall of the connecting ring at one side close to the drilling mechanism, and the upper part of the second support frame is provided with an electric drill capable of drilling the birdcage top frame; the annular rack is rotatably arranged at the top of the connecting ring and meshed with the single-tooth gear, a first circular ring is arranged at the top of the annular rack, and circular holes for the drilling parts to pass through are uniformly formed in the first circular ring; the inner wall of the first circular ring is connected with one end of the first spring, the other end of the first spring is connected with a second circular ring, the second circular ring is positioned in the first circular ring, and the limiting rods on two sides are in contact with the outer wall of the second circular ring; the fixing mechanism is arranged on the top wall of the inner side of the rack close to one side of the first rotating shaft and matched with the annular rack; and the drilling mechanism is arranged between the top end of the first rotating shaft and the inner top wall of the rack.
More preferably, the fixing mechanism includes: the first guide sleeve is connected to the top wall of the inner side of the rack close to one side of the limiting rod; the wedge block is connected inside the first guide sleeve in a sliding mode, and the end part, close to one side of the annular rack, of the wedge block is in contact with the annular rack; and one end of the second spring is connected to the inner side wall of the first guide sleeve, and the other end of the second spring is connected to the outer wall of the wedge block on one side far away from the annular rack.
More preferably, the drilling mechanism comprises: the third rotating shaft is rotatably arranged on the inner top wall of the rack close to one side of the single-tooth gear; a second straight bevel gear is arranged at the end part of a third rotating shaft at one side far away from the single-tooth gear and at the top end of the first rotating shaft, and the two second straight bevel gears are meshed; the fan-shaped gear is arranged at the end part of the third rotating shaft close to one side of the motor, and a second guide sleeve is fixedly connected to the inner top wall of the rack above the middle part of the first support frame; the push rod is connected to the second guide sleeve in a penetrating mode, and the end, facing one side of the first circular ring, of the push rod is matched with the circular hole in the first circular ring; the second rack is arranged in the middle of the push rod and can be meshed with the sector gear; and a third spring is connected between the end part of the push rod, which is far away from one side of the first circular ring, and the second guide sleeve.
More preferably, the end of the wedge block close to one side of the annular rack is concave.
More preferably, the first support frame is cross-shaped.
The invention has the beneficial effects that:
1. through the drive of motor to under the cooperation of monodentate gear and annular rack, can realize the intermittent type of birdcage top frame and the intermittent type removal of push rod, and two kinds of actions are mutually supported, thereby can control the distance between hole and the hole, and realize automatic punching.
2. Through fixed establishment's setting, can make first ring stop immediately when annular rack and monodentate gear separation to effectively prevent first ring and continue to rotate because of inertia reason, can guarantee like this that the hole on the first ring can be located drilling mechanism's positive right side, thereby guarantee the normal clear of drilling work.
3. The scrap generated during drilling is collected through the scrap frame, and the scrap can be prevented from falling everywhere.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of the present invention with the side walls and top wall of the housing removed.
Fig. 3 is a schematic perspective view of the first support frame, the connection ring, the annular rack, etc. of the present invention.
Fig. 4 is a schematic perspective view of a fixing mechanism, a second ring, an electric drill, etc. of the present invention.
Fig. 5 is a schematic perspective view of the drilling mechanism of the present invention.
In the reference symbols: the automatic electric drill comprises a machine frame 1, a motor 2, a first support frame 3, a connecting ring 31, an annular rack 4, a first ring 5, a second ring 6, a first spring 7, a second support frame 8, an electric drill 9, a third support frame 10, a waste material frame 11, a first straight-tooth bevel gear 12, a first rotating shaft 13, a transmission device 14, a second rotating shaft 141, a single-tooth gear 15, a limiting rod 16, a first guide sleeve 17, a wedge-shaped block 18, a second spring 19, a second guide sleeve 20, a second rack 21, a push rod 22, a third spring 23, a straight-tooth bevel gear 24, a sector gear 25 and a third rotating shaft 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
An automatic uniform drilling device for a birdcage top frame is shown in figures 1-5 and comprises a frame 1, a motor 2, a first support frame 3, a connecting ring 31, an annular rack 4, a second ring 6, a first ring 5, a first spring 7, a second support frame 8, an electric drill 9, a third support frame 10, a scrap frame 11, a first straight bevel gear 12, a first rotating shaft 13, a transmission device 14, a second rotating shaft 141, a single-tooth gear 15, a limiting rod 16, a fixing mechanism and a drilling mechanism, wherein the left side of the front part of the bottom wall in the frame 1 is rotatably connected with the first rotating shaft 13, the motor 2 is arranged on the left side of the rear part of the bottom wall in the frame 1, the output shaft of the motor 2 and the middle part of the first rotating shaft 13 are respectively connected with the first straight bevel gear 12, the two first straight bevel gears 12 are meshed, the first support frame 3 is arranged on the middle part of the left wall in the frame 1, the first rotating shaft 13 is rotatably connected, a drilling mechanism is arranged between the top end of the first rotating shaft 13 and the inner top wall of the frame 1, a second rotating shaft 141 is rotatably arranged at the rear end of the first support frame 3, a transmission device 14 is connected between the second rotating shaft 141 and the first rotating shaft 13, a single-tooth gear 15 is arranged at the upper part of the second rotating shaft 141, limiting rods 16 are connected to the front side and the rear side of the top wall of the frame 1, a third support frame 10 is arranged at the right side of the inner bottom wall of the frame 1, a waste material frame 11 is placed in the third support frame 10, a connecting ring 31 is arranged at the right side of the first support frame 3, the bottom wall of the connecting ring 31 is connected with the top wall of the third support frame 10, a second support frame 8 is arranged on the inner wall at the left side of the connecting ring 31, an electric drill 9 is arranged on the second support frame 8, an annular rack 4 is rotatably arranged at the upper part of the connecting ring 31, a, the second ring 6 is located the inside of first ring 5, and the gag lever post 16 of both sides contacts with the 6 outer walls of second ring, and the bottom left side of front side gag lever post 16 is connected with fixed establishment, and fixed establishment cooperatees with annular rack 4, and single-tooth gear 15 meshes with annular rack 4 mutually.
When people need to drill the birdcage top frame, the birdcage top frame is firstly placed in the second circular ring 6, the limiting rod 16 fixes the second circular ring 6, then the motor 2 and the electric drill 9 are started, the output shaft of the motor 2 drives the first straight bevel gear 12 to rotate, the first straight bevel gear 12 drives the first rotating shaft 13 to rotate, the first rotating shaft 13 rotates to drive the drilling mechanism at the top to move, meanwhile, the first rotating shaft 13 rotates to drive the second rotating shaft 141 to rotate through the transmission device 14, the second rotating shaft 141 rotates to drive the single-tooth gear 15 to rotate, when the teeth of the single-tooth gear 15 are meshed with the annular rack 4, the drilling part in the drilling mechanism is not meshed, the single-tooth gear 15 rotates to drive the annular rack 4 to rotate, the annular rack 4 rotates to drive the first circular ring 5 above and the second circular ring 6 in the first circular ring 5 to rotate, the birdcage top frame in the second circular ring 6 rotates accordingly, when the teeth of the single-tooth gear 15 are not meshed with the annular rack 4, the drilling part in the drilling mechanism is meshed, the annular rack 4 and the birdcage top frame are immediately stopped under the action of the fixing mechanism, at the moment, the through hole of the first ring 5 is positioned right to the right side of the drilling part in the drilling mechanism, the drilling part of the drilling mechanism starts to move right and enters the through hole of the first ring 5, the drilling part of the drilling mechanism moves right to push the second ring 6 and the birdcage top frame in the second ring 6 to move right, the birdcage top frame in the second ring 6 moves right to contact the electric drill 9, the electric drill 9 in work immediately drills holes on the birdcage top frame, ash generated by drilling falls into the waste material frame 11, after the electric drill 9 drills a hole, the drilling mechanism moves left to reset under the action of the drilling part, after the drilling mechanism moves left to reset, the teeth of the single-tooth gear 15 are meshed with the annular rack 4 again, and further drive the annular rack 4, First ring 5 and second ring 6 rotate, drive the birdcage top frame in the second ring 6 and drill, repeat above step just can be intermittent type nature evenly punch to the birdcage top frame. After finishing punching, the motor 2 and the electric drill 9 are closed, the birdcage top frame with the punched holes is taken out, the birdcage top frame without the punched holes is placed for repeating the above operation, and when the waste materials in the waste material frame 11 are required to be poured, the waste material frame 11 can be pulled out only by tightly holding the handle at the rear side of the waste material frame 11.
Example 2
On the basis of the embodiment 1, as shown in fig. 2, 4 and 5, the fixing mechanism includes a first guide sleeve 17, a wedge block 18 and a second spring 19, the first guide sleeve 17 is connected to the lower end of the front side limiting rod 16, the front side and the rear side of the inner wall of the first guide sleeve 17 are connected to the second spring 19, the rear end of the first guide sleeve 17 is connected to the wedge block 18, and the wedge block 18 is in contact with the annular rack 4.
When people bore holes in the birdcage top frame, the birdcage top frame is placed in the second circular ring 6, the motor 2 and the electric drill 9 are started, when the single-tooth gear 15 is meshed with the annular rack 4, the annular rack 4 rotates, teeth of the annular rack 4 are located between the top wall and the bottom wall of the wedge block 18 and are in contact with the top wall and the bottom wall, when the single-tooth gear 15 is not meshed with the annular rack 4, the top wall and the bottom wall of the wedge block 18 generate friction to the teeth of the annular rack 4, the annular rack 4 is immediately stopped, the annular rack 4 is prevented from continuing to rotate forwards due to inertia, and therefore the hole position on the first circular ring 5 is guaranteed to be located on the right side of a drilling component in the drilling mechanism.
The drilling mechanism comprises a second guide sleeve 20, a second rack 21, a push rod 22, a third spring 23, a second straight bevel gear 24, a sector gear 25 and a third rotating shaft 26, the third rotating shaft 26 is rotatably installed on the left side of the inner top wall of the rack 1, the front end of the third rotating shaft 26 and the top end of the first rotating shaft 13 are both provided with the second straight bevel gear 24, the two second straight bevel gears 24 are meshed with each other, the rear end of the third rotating shaft 26 is provided with the sector gear 25, the rear side of the inner top wall of the rack 1 is provided with the second guide sleeve 20, the push rod 22 is arranged in the second guide sleeve 20 in a sliding manner, the middle of the push rod 22 is connected with the second rack 21, the second rack 21 is meshed with the sector gear 25, and the third spring 23 is connected between the left wall of the second guide sleeve 20 and the left end.
When the teeth of the single-tooth gear 15 are not engaged with the annular rack 4, the sector gear 25 rotates to engage with the second rack 21, under the action of the fixing mechanism, the annular rack 4 and the birdcage top frame stop immediately, at the moment, the through hole on the first circular ring 5 is positioned right to the right side of the push rod 22, the push rod 22 is driven to move towards the right side to pass through the through hole on the first circular ring 5, the third spring 23 is stretched, and pushes the second circular ring 6 and the birdcage top frame in the second circular ring 6 to move rightwards, the birdcage top frame contacts the electric drill 9 and drills holes, when the sector gear 25 rotates and is not meshed with the second rack 21, under the action of the elastic force of the third spring 23, the push rod 22 and the second rack 21 move leftwards and are reset, after the push rod 22 and the second rack 21 move and reset, the teeth of the single-tooth gear 15 are meshed with the annular rack 4 again, the birdcage top frame is driven to move again to drill, and the birdcage top frame can be driven intermittently to uniformly drill by repeating the steps.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The utility model provides an automatic even drilling equipment of birdcage top frame which characterized in that includes:
the device comprises a rack (1), wherein a first rotating shaft (13) is rotatably mounted on the inner bottom wall of the rack (1), and a motor (2) is arranged on the bottom wall of the rack (1) close to one side of the first rotating shaft (13);
the first straight-tooth bevel gear (12) is connected to the output shaft of the motor (2) and the middle part of the first rotating shaft (13), and the two first straight-tooth bevel gears (12) are meshed with each other;
the first support frame (3) is arranged in the middle of the side wall of the rack (1) close to one side of the motor (2), and the end part of the first support frame (3) close to one side of the first straight-tooth bevel gear (12) is rotatably connected with the first rotating shaft (13);
the second rotating shaft (141) is arranged between the end part of the first support frame (3) positioned above the motor (2) and the inner top wall of the rack (1), and the transmission device (14) is connected between the second rotating shaft (141) and the first rotating shaft (13);
the single-tooth gear (15) is arranged on the second rotating shaft (141) at one side far away from the motor (2), and the single-tooth gear (15) is positioned above the transmission device (14);
the limiting rods (16) are arranged on two sides of the end part of the top wall of the rack (1) and used for guiding when the top frame of the birdcage is punched;
the third support frame (10) is arranged on the bottom wall of the rack (1) far away from one side of the joint of the first support frame (3) and the rack (1), and a waste material frame (11) is placed in the third support frame (10);
the connecting ring (31) is arranged at the end part of the first support frame (3) close to one side of the third support frame (10), and the bottom wall of the connecting ring (31) is connected with the top wall of the third support frame (10);
the second support frame (8) is arranged on the inner wall of the connecting ring (31) close to one side of the drilling mechanism, and the upper part of the second support frame (8) is provided with an electric drill (9) capable of drilling the birdcage top frame;
the annular rack (4) is rotatably arranged at the top of the connecting ring (31) and meshed with the single-tooth gear (15), a first circular ring (5) is arranged at the top of the annular rack (4), and circular holes for drilling parts to pass through are uniformly formed in the first circular ring (5);
the inner wall of the first circular ring (5) is connected with one end of the first spring (7), the other end of the first spring (7) is connected with the second circular ring (6), the second circular ring (6) is positioned in the first circular ring (5), and the limiting rods (16) on the two sides are in contact with the outer wall of the second circular ring (6);
the fixing mechanism is arranged on the inner top wall of the rack (1) close to one side of the first rotating shaft (13), and the fixing mechanism is matched with the annular rack (4);
and the drilling mechanism is arranged between the top end of the first rotating shaft (13) and the inner top wall of the machine frame (1).
2. The automatic and uniform drilling device for the birdcage top frame according to claim 1, wherein the fixing mechanism comprises:
the first guide sleeve (17) is connected to the inner top wall of the rack (1) close to one side of the limiting rod (16);
the wedge block (18) is connected inside the first guide sleeve (17) in a sliding mode, and the end part, close to one side of the annular rack (4), of the wedge block (18) is in contact with the annular rack (4);
and one end of the second spring (19) is connected to the inner side wall of the first guide sleeve (17), and the other end of the second spring is connected to the outer wall of the wedge-shaped block (18) on one side far away from the annular rack (4).
3. The automatic and uniform drilling device for the birdcage top frame according to claim 2, wherein the drilling mechanism comprises:
the third rotating shaft (26) is rotatably arranged on the inner top wall of the rack (1) close to one side of the single-tooth gear (15);
the end part of a third rotating shaft (26) on one side of the second straight bevel gear (24), which is far away from the single-tooth gear (15), and the top end of the first rotating shaft (13) are both provided with the second straight bevel gear (24), and the two second straight bevel gears (24) are meshed;
the sector gear (25) is arranged at the end part of the third rotating shaft (26) close to one side of the motor (2), and a second guide sleeve (20) is fixedly connected to the inner top wall of the rack (1) above the middle part of the first support frame (3);
the push rod (22) is connected to the second guide sleeve (20) in a penetrating mode, and the end portion, facing one side of the first circular ring (5), of the push rod (22) is matched with the circular hole in the first circular ring (5);
a second rack (21) installed at the middle of the push rod (22), the second rack (21) being engageable with the sector gear (25);
and a third spring (23) is connected between the end part of the push rod (22) at one side far away from the first circular ring (5) and the second guide sleeve (20).
4. An automatic uniform drilling device for a birdcage top frame according to claim 3, characterized in that the end of the wedge block (18) on the side close to the annular rack (4) is concave.
5. An automatic uniform drilling device for a birdcage top frame according to claim 4, characterized in that the first support frame (3) is cross-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489278.5A CN111761656A (en) | 2020-06-02 | 2020-06-02 | Automatic and uniform drilling equipment for birdcage top frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010489278.5A CN111761656A (en) | 2020-06-02 | 2020-06-02 | Automatic and uniform drilling equipment for birdcage top frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111761656A true CN111761656A (en) | 2020-10-13 |
Family
ID=72719951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010489278.5A Pending CN111761656A (en) | 2020-06-02 | 2020-06-02 | Automatic and uniform drilling equipment for birdcage top frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111761656A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112372017A (en) * | 2020-11-06 | 2021-02-19 | 安徽省强升智能装备科技有限公司 | Drilling device for badminton racket |
| CN112453476A (en) * | 2020-11-03 | 2021-03-09 | 徐七妹 | Rotary type drilling equipment for bottom frame of birdcage |
| CN113027143A (en) * | 2021-02-06 | 2021-06-25 | 方勇 | Mongolian yurt is with annular wooden frame U type frame installation device |
| CN115647829A (en) * | 2022-12-23 | 2023-01-31 | 盐城市鑫海机械有限公司 | Gear drilling tool |
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| KR20180064733A (en) * | 2016-12-06 | 2018-06-15 | 유광복 | Drilling Machine for Wood Stick |
| CN108943163A (en) * | 2018-06-21 | 2018-12-07 | 东莞市联洲知识产权运营管理有限公司 | A kind of woodworking jig applied to plank aperture |
| CN109434966A (en) * | 2018-10-22 | 2019-03-08 | 森鹤乐器股份有限公司 | Piano interlocking bar automatic processing device |
| CN110757591A (en) * | 2019-11-05 | 2020-02-07 | 肖津 | Automatic adjusting type perforating machine for birdcage bottom ring |
| CN110883869A (en) * | 2019-11-27 | 2020-03-17 | 张盛女 | Automatic drilling device for writing brush holder |
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2020
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180064733A (en) * | 2016-12-06 | 2018-06-15 | 유광복 | Drilling Machine for Wood Stick |
| CN108943163A (en) * | 2018-06-21 | 2018-12-07 | 东莞市联洲知识产权运营管理有限公司 | A kind of woodworking jig applied to plank aperture |
| CN109434966A (en) * | 2018-10-22 | 2019-03-08 | 森鹤乐器股份有限公司 | Piano interlocking bar automatic processing device |
| CN110757591A (en) * | 2019-11-05 | 2020-02-07 | 肖津 | Automatic adjusting type perforating machine for birdcage bottom ring |
| CN110883869A (en) * | 2019-11-27 | 2020-03-17 | 张盛女 | Automatic drilling device for writing brush holder |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453476A (en) * | 2020-11-03 | 2021-03-09 | 徐七妹 | Rotary type drilling equipment for bottom frame of birdcage |
| CN112372017A (en) * | 2020-11-06 | 2021-02-19 | 安徽省强升智能装备科技有限公司 | Drilling device for badminton racket |
| CN113027143A (en) * | 2021-02-06 | 2021-06-25 | 方勇 | Mongolian yurt is with annular wooden frame U type frame installation device |
| CN113027143B (en) * | 2021-02-06 | 2022-12-23 | 南京金色时光农业发展科技有限公司 | Mongolian yurt is with annular wooden frame U type frame installation device |
| CN115647829A (en) * | 2022-12-23 | 2023-01-31 | 盐城市鑫海机械有限公司 | Gear drilling tool |
| CN115647829B (en) * | 2022-12-23 | 2023-08-01 | 盐城市鑫海机械有限公司 | Gear drilling tool |
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Application publication date: 20201013 |
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