CN211162924U - Drilling tool and drilling machine - Google Patents
Drilling tool and drilling machine Download PDFInfo
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- CN211162924U CN211162924U CN201921261443.0U CN201921261443U CN211162924U CN 211162924 U CN211162924 U CN 211162924U CN 201921261443 U CN201921261443 U CN 201921261443U CN 211162924 U CN211162924 U CN 211162924U
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Abstract
The utility model relates to a processing equipment technical field of drill bit among the anchoring system especially relates to a drilling frock and drilling machine. The drilling tool comprises a supporting device, a base, a movable seat which is rotatably connected to the base and a clamp which is arranged on the movable seat; the supporting device is connected between the base and the movable seat, can move along with the rotation of the movable seat, and can lock the base and the movable seat so as to keep the clamp at a preset inclination angle. This drilling machine includes the drilling frock. The utility model provides a drilling frock and drilling machine has alleviated the inconvenient and with high costs technical problem of processing the inclined hole on the work piece that exists among the prior art.
Description
Technical Field
The utility model belongs to the technical field of the processing equipment technique of drill bit among the anchoring system and specifically relates to a drilling frock and drilling machine are related to.
Background
In the production process using the drilling machine, a problem that an inclined hole needs to be machined in a workpiece is often encountered, wherein the axis of the inclined hole has a certain inclination angle relative to the axis of the workpiece. However, in the prior art, the inclined hole on the workpiece is inconvenient to machine and high in cost.
Therefore, the application provides a new drilling frock and drilling machine to above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling frock to alleviate the inconvenient and with high costs technical problem of processing the inclined hole on the work piece that exists among the prior art.
An object of the utility model is also to provide a drilling machine to further alleviate the inconvenient and with high costs technical problem of processing the inclined hole on the work piece that exists among the prior art.
Based on the first purpose, the utility model provides a drilling tool, which comprises a supporting device, a base, a movable seat rotatably connected with the base and a clamp arranged on the movable seat;
the supporting device is connected between the base and the movable seat, can move along with the rotation of the movable seat, and can lock the base and the movable seat, so that the clamp is kept at a preset inclination angle.
Further, the supporting device comprises a supporting piece and a locking component, the supporting piece is connected between the base and the movable seat and can move along with the rotation of the movable seat, and the supporting piece locks the base and the movable seat through the locking component.
Furthermore, a limit long hole is formed in the movable seat; the one end pin joint of support piece in the base, the other end set up in spacing slot hole, just support piece can follow the rotation of sliding seat is in remove in the spacing slot hole, support piece passes through locking Assembly locks in spacing slot hole.
Further, the supporting piece is a supporting rod provided with an external thread;
the locking assembly comprises a first locking nut and a second locking nut which are in threaded connection with the supporting rod, and the first locking nut and the second locking nut are respectively arranged on two sides of the movable seat.
Further, the clamp is rotatably connected to the movable seat, and the rotation axis of the clamp is perpendicular to the movable seat.
Further, the drilling tool further comprises a bearing, an outer ring of the bearing is fixedly connected to the movable seat through a bearing seat, and the clamp is fixedly connected to an inner ring of the bearing through a rotating disc.
Furthermore, the drilling tool further comprises an indexing device, the indexing device comprises an indexing positioning pin, an indexing groove formed in the rotating disc and an indexing positioning piece fixedly arranged on the bearing seat, and an indexing hole is formed in the indexing positioning piece; the number of the indexing grooves is multiple, and the indexing grooves are arranged at intervals along the circumferential direction of the rotating disc;
the indexing positioning pin can penetrate through the indexing hole and be inserted into the indexing groove.
Further, a first support is fixedly arranged on the base, a rotary sleeve is fixedly arranged on the movable seat, and the rotary sleeve is rotatably connected with the first support through a rotary shaft.
Furthermore, a second support is fixedly arranged on the base and is rotatably connected with the supporting piece through a pin shaft.
Based on above-mentioned second purpose, the utility model provides a drilling machine, including the workstation with the drilling frock, the pedestal mounting of drilling frock in the workstation.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
when the base is used, the base is arranged on a workbench of a drilling machine, and a workpiece to be subjected to inclined hole machining is arranged on the clamp. It should be noted that the workpiece is tilted with respect to the table of the drilling machine in order to machine a hole having an axis tilted with respect to the axis of the workpiece. Wherein, in this drilling frock, the slope of work piece is realized for the base rotation through making the sliding seat to the inclination of the anchor clamps on the adjustment sliding seat has been realized for base pivoted angle through the adjustment sliding seat, has also adjusted the inclination of the work piece of installing on anchor clamps, has adjusted the inclination of work piece, and after adjusting the inclination of work piece, through strutting arrangement with base and sliding seat locking, so that the inclined hole on the processing work piece.
Wherein, through the inclination of adjustment anchor clamps, make this drilling frock can be applicable to the work piece of different inclination inclined holes to make the processing of the inclined hole on the work piece more convenient, and need not purchase the drilling frock of multiple specification, therefore reduced the manufacturing cost who processes the inclined hole on different specification work pieces.
The utility model provides a drilling machine, including above-mentioned drilling frock, the inconvenient and with high costs technical problem of processing the inclined hole on the work piece that has further alleviated that exists among the prior art.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a drilling tool according to an embodiment of the present invention (showing a cross-shaped alloy drill bit);
FIG. 2 is a partial cross-sectional view of a cross-shaped alloy drill bit;
fig. 3 is a side view of a drilling tool according to an embodiment of the present invention;
fig. 4 is an isometric view of a drilling tool provided by an embodiment of the present invention;
fig. 5 is an isometric view of another viewing angle of the drilling tool provided by the embodiment of the present invention.
Icon: 1-a support device; 11-a support; 12-a locking assembly; 121-a first locking nut; 122-a second lock nut;
2-a base; 21-a first support; 22-a second support; 3-a movable seat; 31-limiting long holes; 32-a rotating sleeve; 4-clamping;
5, bearing seats; 6-rotating the disc; 61-indexing groove; 71-indexing locating pins; 72-indexing positioning element; 81-rotation axis; 82-a pin shaft; a 9-cross alloy drill bit; 91-water hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
Referring to fig. 1 to 5, the present embodiment provides a drilling tool, which includes a supporting device 1, a base 2, a movable seat 3 rotatably connected to the base 2, and a clamp 4 disposed on the movable seat 3; the supporting device 1 is connected between the base 2 and the movable seat 3, can move along with the rotation of the movable seat 3, and can lock the base 2 and the movable seat 3, so that the clamp 4 is kept at a preset inclination angle.
Referring to fig. 1, in use, the base 2 is mounted on a table of a drill press, and a workpiece to be processed into an inclined hole is mounted on the jig 4. In the present embodiment, the cross alloy drill bit 9 is used as a workpiece to be processed, and the cross alloy drill bit 9 is a key component for realizing a self-drilling function in a self-drilling anchoring system. Wherein, set up water hole 91 on the drill bit, and the axis in water hole 91 has certain inclination for the axis of drill bit, and the inclined hole of consequently processing department is water hole 91 promptly, and the water hole 91 on the processing cross alloy drill bit 9 can use this drilling frock.
It should be noted that, referring to fig. 2, the axis of the water hole 91 has a certain inclination angle with respect to the axis of the drill, so that the cross alloy drill 9 is inclined with respect to the table of the drilling machine to process the water hole 91.
Wherein, in this drilling frock, the slope of cross alloy drill bit 9 is realized through making sliding seat 3 rotate for base 2 to the inclination of anchor clamps 4 on the adjustment sliding seat 3 has been realized for base 2 pivoted angle through adjustment sliding seat 3, has also adjusted the inclination of the cross alloy drill bit 9 of installing on anchor clamps 4, has adjusted the inclination of cross alloy drill bit 9 after, through strutting arrangement 1 with base 2 with sliding seat 3 locks, so that process water hole 91 on the cross alloy drill bit 9.
Wherein, through the inclination of adjustment anchor clamps 4, make this drilling frock can be applicable to different cross alloy drill bits 9 to make the processing of cross alloy drill bit 9 more convenient, and need not purchase the drilling frock of multiple specification, therefore reduced the manufacturing cost of different specification cross alloy drill bits.
It should be noted that in this embodiment, only the water hole machining on the cross alloy drill is taken as an embodiment, the cross alloy drill may be replaced by another workpiece that needs to be subjected to oblique hole machining, which is not described later, and the whole technical solution is only exemplarily described by the water hole machining on the cross alloy drill.
Optionally, the supporting device includes an oil cylinder, a cylinder barrel of the oil cylinder is rotatably connected to the base 2, a piston rod is rotatably connected to the movable seat 3, when the movable seat 3 rotates relative to the base 2, the cylinder barrel rotates relative to the base 2, the piston rod rotates relative to the movable seat 3, the piston rod stretches relative to the cylinder barrel, after the inclination angle of the movable seat is adjusted, a valve of the oil cylinder is closed, so that the state of the oil cylinder is maintained, the oil cylinder can support the movable seat 3 on the base 2, the position of the movable seat 3 is maintained, the base 2 and the movable seat 3 are relatively locked, and a water hole 91 on the cross-shaped alloy drill bit 9 is conveniently processed.
In addition, strutting arrangement can also adopt electric putter, and its one end is articulated with base 2, and the other end is articulated with sliding seat 3, and when sliding seat 3 reachd predetermined inclination, the motor stall among the electric putter to make the position locking of sliding seat 3 relative base 2.
Alternatively, referring to fig. 3, in the present embodiment, the supporting device 1 includes a supporting member 11 and a locking assembly 12, the supporting member 11 is connected between the base 2 and the movable seat 3 and can move with the rotation of the movable seat 3, and the supporting member 11 locks the base 2 and the movable seat 3 by the locking assembly 12.
With the arrangement, when the movable seat 3 rotates, the supporting member 11 moves along with the movable seat 3, and after the angle of the movable seat 3 is adjusted, the base 2 and the movable seat 3 are locked by the locking assembly 12, so that the water hole 91 on the cross-shaped alloy drill bit 9 can be processed.
Referring to fig. 4, the movable seat 3 is provided with a limit slot 31; one end of the supporting member 11 is pivoted to the base 2, the other end is disposed in the limiting long hole 31, and the supporting member 11 can move in the limiting long hole 31 along with the rotation of the movable seat 3, and the supporting member 11 is locked in the limiting long hole 31 through the locking component 12.
With this arrangement, when the movable seat 3 rotates relative to the base 2, one end of the support member 11 rotates relative to the base 2, and the other end moves within the long-limit-hole 31, specifically, the other end of the support member moves in the longitudinal direction of the long-limit-hole 31 and in the depth direction of the long-limit-hole 31.
Wherein, after the angle of adjustment completion sliding seat 3, lock support piece 11 in spacing slot hole 31 through locking Assembly 12 to support piece 11 can not rotate for base 2, has realized locking base 2 and sliding seat 3.
It should be noted that two limiting edges of the limiting long hole 31 along the length direction provide a limiting effect for the movement of the supporting member 11, that is, provide a limiting effect for the rotation of the movable seat 3 relative to the base 2.
Preferably, referring to fig. 3, the supporting member 11 is a supporting rod, and the supporting rod is provided with an external thread; the locking assembly 12 comprises a first locking nut 121 and a second locking nut 122 which are in threaded connection with the support rod, and the first locking nut 121 and the second locking nut 122 are respectively arranged on two sides of the movable seat 3.
When the rotation angle of the movable seat 3 needs to be adjusted, the first lock nut 121 and the second lock nut 122 are respectively rotated towards a direction away from the movable seat 3, so that the support member 11 rotates relative to the base 2 and the support member 11 moves in the limit long hole 31; when the inclination angle of the movable seat 3 is adjusted, the first lock nut 121 and the second lock nut 122 are respectively rotated to the direction close to the movable seat 3, so that the first lock nut 121 and the second lock nut 122 clamp the movable seat 3, and the movable seat 3 is locked.
Preferably, the gripper 4 is rotatably connected to the movable seat 3, and the axis of rotation of the gripper 4 is perpendicular to the movable seat 3.
Such setting has realized that cross alloy drill bit 9 can rotate for sliding seat 3, and through rotatory cross alloy drill bit 9 to a plurality of water holes 91 that are the circumference and distribute on the cross alloy drill bit 9 of processing, and need not be with the clamping of cross alloy drill bit 9 a lot of in order to process different water holes 91, reduced operation workman's intensity of labour, improved machining efficiency, shortened processing cycle, and reduced manufacturing cost.
Preferably, referring to fig. 3, the drilling tool further comprises a bearing; the outer ring of the bearing is fixedly connected with the movable seat 3 through a bearing seat 5, and the clamp 4 is fixedly connected with the inner ring of the bearing through a rotating disk 6. With this arrangement, the clamp 4 is rotatably connected to the movable base 3.
Preferably, referring to fig. 3 to 5, the drilling tool further includes an indexing device, the indexing device includes an indexing positioning pin 71, an indexing groove 61 formed on the rotating disk 6, and an indexing positioning member 72 fixedly arranged on the bearing seat 5, and the indexing positioning member 72 is provided with an indexing hole; the indexing groove 61 is provided in plurality, and the indexing grooves 61 are provided at intervals in the circumferential direction of the rotary disk 6, and the indexing positioning pins 71 can be inserted into the indexing grooves 61 through the indexing holes.
The number of the index grooves 61 on the rotary disk 6 is two, three, four, or five, and the like, which is determined by the number of the water holes 91 on the cross alloy bit 9. And, when a plurality of water holes 91 on the cross alloy drill bit 9 are evenly distributed, correspondingly, a plurality of indexing grooves 61 on the drilling tool are evenly arranged along the circumferential direction of the rotating disk 6.
The indexing device is provided so as to accurately, efficiently and quickly index the plurality of water holes 91. Specifically, the indexing and machining of the water holes 91 are realized by sequentially rotating the fixture 4, rotating the fixture 4 to drive the rotating disc 6 to rotate relative to the bearing seat 5, and since the indexing positioning piece 72 is fixedly connected to the bearing seat 5, the rotating disc 6 rotates relative to the indexing positioning piece 72, and when the indexing holes in the indexing positioning piece 72 correspond to the indexing grooves 61 in the rotating disc 6, the rotating disc 6 is locked by inserting the indexing positioning pins 71 into the indexing grooves 61 through the indexing holes, so that the cross-shaped alloy drill bit 9 can be machined.
For example, referring to fig. 1 and 2, the cross alloy bit 9 is provided with two water holes 91, and the rotary disk 6 has two indexing grooves 61. After one of the water holes 91 is machined, the fixture 4 is rotated by 180 degrees, so that the rotating disc 6 rotates 180 degrees relative to the bearing seat 5, the other indexing groove 61 corresponds to the indexing hole in the indexing positioning piece 72, and the indexing positioning pin 71 passes through the indexing hole and is inserted into the indexing groove 61 to lock the rotating disc 6, so that the other water hole 91 is machined.
Preferably, as shown in fig. 3 and 4, the first support 21 is fixedly disposed on the base 2, the rotating sleeve 32 is fixedly disposed on the movable seat 3, and the rotating sleeve 32 is rotatably connected to the first support 21 through a rotating shaft 81.
By the arrangement, the movable seat 3 is rotatably connected to the base 2.
As a way of realizing this, the rotating shaft 81 is fixed to the first support 21, and the rotating sleeve 32 is sleeved on the rotating shaft 81 and is in clearance fit with the rotating shaft 81, so that when the rotating sleeve 32 rotates relative to the rotating shaft 81, the movable seat 3 rotates relative to the base 2.
As another way to realize this, the rotating shaft 81 is fixed to the rotating sleeve 32, and the rotating shaft 81 is in clearance fit with the first connecting hole of the first support 21, so that when the rotating sleeve 32 drives the rotating shaft 81 to rotate relative to the first support 21, the movable seat 3 rotates relative to the base 2.
Preferably, as shown in fig. 3 and 4, the base 2 is provided with a second support 22, and the second support 22 and the support 11 are rotatably connected by a pin 82. This arrangement achieves the pivotal attachment of the support 11 to the base 2.
As a practical way, the pin 82 is fixed to the second seat 22 and is in clearance fit with the hole on the support 11, so that when the support 11 rotates relative to the pin 82, the support 11 rotates relative to the base 2.
Alternatively, the pin 82 is fixed to the supporting member 11, for example, with an interference fit with a hole on the supporting member 11, and the pin 82 is in a clearance fit with a second connecting hole on the second support 22, so that when the pin 82 is driven by the supporting member 11 to rotate, the supporting member 11 rotates relative to the base 2.
To sum up, this drilling frock's simple structure, processing convenience and cost are low, have the advantage that can be applicable to different cross alloy drill bit 9, and the practicality is strong.
Preferably, as shown in fig. 4, the gripper 4 is a three-jaw chuck. By such an arrangement, clamping of the cross alloy bit 9 is achieved.
Example two
The second embodiment provides a drilling machine, the drilling machine comprises the drilling tool of the first embodiment, technical features of the drilling tool disclosed in the first embodiment are also applicable to the first embodiment, and technical features of the drilling tool disclosed in the first embodiment are not described repeatedly. Embodiments of the drill press are described in further detail below with reference to the figures.
For economy of space, the improved features of this embodiment are also embodied in fig. 1-5, and the solution of this embodiment is therefore described in connection with fig. 1-5.
Referring to fig. 1-5, the drilling machine provided by the embodiment includes a workbench and a drilling tool, and the base 2 of the drilling tool is installed on the workbench, so that the technical problems of inconvenience and high cost in processing inclined holes on workpieces in the prior art are further alleviated.
The use method of the drilling machine is as follows: firstly, adjusting the inclination angle of the cross alloy drill bit 9 according to the model thereof, specifically, respectively rotating the first lock nut 121 and the second lock nut 122 in the direction away from the movable seat 3 to rotate the movable seat 3 relative to the base 2, at this time, the support member 11 rotates relative to the base 2 and the support member 11 moves in the limit long hole 31; when the angle of the movable seat 3 is adjusted, the first locking nut 121 and the second locking nut 122 are rotated respectively to the direction close to the movable seat 3, so that the movable seat 3 is clamped by the first locking nut 121 and the second locking nut 122, the movable seat 3 is locked, and the movable seat 3 cannot continue to rotate at the moment, so that the cross-shaped alloy drill bit 9 is processed.
After a water hole 91 is machined, the cross alloy drill bit 9 is rotated, the cross alloy drill bit 9 drives the fixture 4 and the rotating disc 6 to rotate relative to the bearing seat 5, so that the rotating disc 6 rotates relative to the indexing positioning piece 72, and when the indexing hole in the indexing positioning piece 72 corresponds to the next indexing groove 61 in the rotating disc 6, the indexing positioning pin 71 penetrates through the indexing hole and is inserted into the indexing groove 61 to lock the rotating disc 6, so that the cross alloy drill bit 9 is machined continuously.
The drilling machine of the present embodiment has the advantages of the drilling tool of the first embodiment, which are described in detail in the first embodiment and will not be repeated here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. A drilling tool is characterized by comprising a supporting device (1), a base (2), a movable seat (3) which is rotatably connected to the base (2) and a clamp (4) arranged on the movable seat (3);
the supporting device (1) is connected between the base (2) and the movable seat (3), can move along with the rotation of the movable seat (3), and can lock the base (2) and the movable seat (3) so as to keep the clamp (4) at a preset inclination angle;
the clamp (4) is rotatably connected to the movable seat (3), and the rotating axis of the clamp (4) is perpendicular to the movable seat (3);
the drilling tool further comprises a bearing, the outer ring of the bearing is fixedly connected with the movable seat (3) through a bearing seat (5), and the clamp (4) is fixedly connected with the inner ring of the bearing through a rotating disk (6).
2. The drilling tool according to claim 1, characterized in that the supporting device (1) comprises a supporting piece (11) and a locking assembly (12), the supporting piece (11) is connected between the base (2) and the movable seat (3) and can move along with the rotation of the movable seat (3), and the supporting piece (11) locks the base (2) and the movable seat (3) through the locking assembly (12).
3. The drilling tool according to claim 2, wherein the movable seat (3) is provided with a limiting long hole (31); one end pin joint in base (2) of support piece (11), the other end set up in spacing slot hole (31), just support piece (11) can be followed the rotation of sliding seat (3) is in move in spacing slot hole (31), support piece (11) pass through locking Assembly (12) lock in spacing slot hole (31).
4. The drilling tool according to claim 3, characterized in that the support (11) is a support bar provided with an external thread;
the locking assembly (12) comprises a first locking nut (121) and a second locking nut (122) which are in threaded connection with the supporting rod, and the first locking nut (121) and the second locking nut (122) are respectively arranged on two sides of the movable seat (3).
5. The drilling tool according to claim 1, further comprising an indexing device, wherein the indexing device comprises an indexing positioning pin (71), an indexing groove (61) formed in the rotating disc (6), and an indexing positioning piece (72) fixedly arranged on the bearing seat (5), and the indexing positioning piece (72) is provided with an indexing hole; the indexing grooves (61) are multiple, and the indexing grooves (61) are arranged at intervals along the circumferential direction of the rotating disk (6);
the indexing positioning pin (71) can be inserted into the indexing groove (61) through the indexing hole.
6. The drilling tool according to any one of claims 1 to 5, wherein a first support (21) is fixedly arranged on the base (2), a rotating sleeve (32) is fixedly arranged on the movable seat (3), and the rotating sleeve (32) is rotatably connected with the first support (21) through a rotating shaft (81).
7. The drilling tool according to any one of claims 2 to 4, wherein a second support (22) is further fixedly arranged on the base (2), and the second support (22) is rotatably connected with the support (11) through a pin shaft (82).
8. A drilling machine, characterized in that, includes the drilling frock of any one of claims 1-7 and workstation, drilling frock's base (2) is installed in the workstation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261443.0U CN211162924U (en) | 2019-08-05 | 2019-08-05 | Drilling tool and drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261443.0U CN211162924U (en) | 2019-08-05 | 2019-08-05 | Drilling tool and drilling machine |
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| CN211162924U true CN211162924U (en) | 2020-08-04 |
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| CN201921261443.0U Active CN211162924U (en) | 2019-08-05 | 2019-08-05 | Drilling tool and drilling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328537A (en) * | 2019-08-05 | 2019-10-15 | 洛阳恒诺锚固技术有限公司 | Drilling tool and drilling machine |
| CN112847135A (en) * | 2021-01-25 | 2021-05-28 | 张鹏 | High-precision numerical control automatic processing equipment |
-
2019
- 2019-08-05 CN CN201921261443.0U patent/CN211162924U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110328537A (en) * | 2019-08-05 | 2019-10-15 | 洛阳恒诺锚固技术有限公司 | Drilling tool and drilling machine |
| CN112847135A (en) * | 2021-01-25 | 2021-05-28 | 张鹏 | High-precision numerical control automatic processing equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Drilling tooling and drilling machine Effective date of registration: 20201124 Granted publication date: 20200804 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: LOUYANG HENGNUO ANCHOR TECHNOLOGY Co.,Ltd. Registration number: Y2020980008402 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211201 Granted publication date: 20200804 Pledgee: Bank of China Limited by Share Ltd. Luoyang branch Pledgor: LOUYANG HENGNUO ANCHOR TECHNOLOGY CO.,LTD. Registration number: Y2020980008402 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |