CN210160458U - Hole making mechanism of hole making device and hole making device - Google Patents
Hole making mechanism of hole making device and hole making device Download PDFInfo
- Publication number
- CN210160458U CN210160458U CN201921095942.7U CN201921095942U CN210160458U CN 210160458 U CN210160458 U CN 210160458U CN 201921095942 U CN201921095942 U CN 201921095942U CN 210160458 U CN210160458 U CN 210160458U
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- cutting
- cutting blade
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- driving
- hole forming
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 238000005520 cutting process Methods 0.000 claims abstract description 172
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000002699 waste material Substances 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000005755 formation reaction Methods 0.000 claims 2
- 238000010079 rubber tapping Methods 0.000 claims 2
- 238000005452 bending Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The application discloses system hole mechanism and system hole device of system hole device, wherein, system hole mechanism includes: a mounting seat; the first driving shaft is rotatably arranged on the mounting seat and is used for mounting a drill bit and driving the drill bit to rotate; a plurality of cutting blades distributed around the axis of the first drive shaft, the ends of the cutting blades having cutting edges, each cutting blade forming a first space in which a drill is located after the drill is installed; the cutting blade is rotatably arranged on the mounting seat, and can swing back and forth after being driven to perform cutting operation. The first drive shaft of this application system hole mechanism can be driven and rotate, can make the round hole through installing the drill bit in first drive shaft, and cutting blade can be driven reciprocal swing to cutting blade's cutting edge can carry out sharp cutting operation, cuts the region of round hole periphery, through the cooperation of drill bit and a plurality of cutting blade, can make non-circular hole, for example can make triangle-shaped hole, rectangular hole or regular polygon hole etc..
Description
Technical Field
The utility model relates to a fitment field, concretely relates to system hole mechanism and system hole device of system hole device.
Background
The drilling mechanism of the existing drilling device drives the drill bit to rotate through the driving shaft, so that only circular holes can be processed, and holes in other shapes, such as triangular holes or square holes, cannot be processed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, provide system hole mechanism and system hole device of system hole device.
The utility model adopts the following technical scheme:
a hole making mechanism of a hole making device, comprising:
a mounting seat;
the first driving shaft is rotatably arranged on the mounting seat and is used for mounting a drill bit and driving the drill bit to rotate;
a plurality of cutting blades distributed around the axis of the first driving shaft, wherein the end parts of the cutting blades are provided with cutting edges, each cutting blade forms a first space, after the drill is installed, the drill is positioned in the first space, and the cutting edges of the cutting blades are positioned on the same side with the head part of the drill; the cutting blade is rotatably installed on the installation seat, and the cutting blade can swing back and forth after being driven to perform cutting operation.
The term "the drill is located in the first space" does not limit the drill to be located completely in the first space, but also includes the drill having a portion of its structure extending out of the first space.
The first driving shaft of the hole forming mechanism can be driven to rotate, a round hole can be formed through a drill bit installed on the first driving shaft, and the cutting blade can be driven to swing in a reciprocating mode, so that the cutting edge of the cutting blade can perform linear cutting operation, the area around the round hole is cut, and through the cooperation of the drill bit and the plurality of cutting blades, a non-round hole can be formed, for example, a triangular hole, a rectangular hole or a regular polygonal hole and the like can be formed.
In practice, the structure for driving the first driving shaft can adopt various rotation driving structures, such as a motor and an oil engine which are directly or indirectly driven (through a reduction gearbox), and the structure for driving the cutting blade to swing back and forth can also adopt various swing driving structures, such as a rocker or eccentric wheel structure and the like.
During the actual use, can also only 2 cutting blades, 2 cutting blade symmetry sets up in the both sides of first drive shaft, and the during operation also can realize cutting out square hole through 2 operations (the relative first rotation 90 degrees for the second time).
In one embodiment of the present invention, each cutting blade is uniformly distributed around the axis of the first driving shaft.
The even distribution form can be better make comparatively regular hole.
In one embodiment of the present invention, the number of the cutting blades is 3 to 8; a waste discharge opening is formed between two adjacent cutting blades.
Through setting up the waste discharge mouth, make things convenient for the waste material to discharge in the system hole process.
When the number of the cutting blades is 3, a triangular hole can be cut, and when the number of the cutting blades is 4, a square hole can be made, which is useful, for example, for mounting a socket case.
In one embodiment of the present invention, the cutting edge has a straight side wall located at the outer side and an arc side wall located at the inner side and corresponding to the drill bit;
the head of drill bit is sharp column structure, and the head of drill bit has the cutting part of multiunit around drill bit axis evenly distributed, and each cutting part of group intersects in a department, and each cutting part of group all is located the outside in first space or the intersection of each cutting part of group is located the outside in first space.
The cutting edge has a straight side wall on the outside, through which a straight side wall of the hole can be obtained; the inner side of the cutting tool is provided with an arc-shaped side wall corresponding to the drill bit, and the structural form enables the cutting edges to be narrow in the middle and wide in the two ends in the length direction of the cutting edges in the corresponding area of the arc-shaped side wall, so that the area which can not be drilled by the drill bit can be cut more reliably.
When the device is actually used, two sides of the straight side wall and two sides of the arc side wall are transited through at least one transition side wall.
In one embodiment of the present invention, the cutting blade has a bending portion, and the bending portion is provided with a reinforcing rib. In practice, the cutting edge and the cutting blade are of an integral structure, or may be of a separately fixed (e.g., welded) structure, for example, the cutting edge is welded to the end of the cutting blade. In practice, the cutting edge may be tungsten steel.
In one embodiment of the present invention, the cutting edge of the cutting blade is in an arc-shaped structure, which makes the contact area between the cutting edge and the hole surface to be drilled small and facilitates the cutting operation.
In one embodiment of the present invention, the device further includes a driving structure, the driving structure includes:
the rotating shaft is rotatably arranged on the mounting seat and is fixed with the corresponding cutting blade;
the transmission piece is arranged on the rotating shaft and is relatively fixed with the rotating shaft in the circumferential direction, and the transmission piece is provided with a groove;
the second drive shaft rotates and is installed on the installation seat, the end part of the second drive shaft is provided with an eccentric part, the eccentric part is matched with the groove, when the second drive shaft rotates, the eccentric part is driven to rotate, and the eccentric part enables the transmission part to swing in a reciprocating mode through the groove.
The axis of rotation is fixed with cutting blade, and the axis of rotation rotates promptly and can drive cutting blade and rotate, and the driving medium is fixed relatively on the circumferencial direction with the axis of rotation, can drive the reciprocal rotation of axis of rotation when rotating the swing promptly to make cutting blade reciprocal swing. In practical use, the relative fixation in the circumferential direction can be achieved through various structures, such as a positioning pin, a fastening piece and the like, or can be achieved through the matching of a non-circular hole and a block which are matched with each other, and then the fixation is achieved through the matching of the fastening piece.
In practical use, the cutting blade can be integrated with the rotating shaft, can be detachably connected or welded, and is preferably detachably connected.
The driving structure works according to the principle that: the second drive shaft is driven to rotate, the eccentric part and the groove are matched to drive the transmission piece to swing in a reciprocating mode, and the transmission piece drives the cutting blade to swing in a reciprocating mode through the rotating shaft.
In one embodiment of the present invention, the end of the second driving shaft has an eccentric column, and the eccentric portion is a roller installed on the eccentric column.
In actual use, the roller can be a bearing.
In one embodiment of the present invention, there are a plurality of driving structures, and the driving structures are matched with the cutting blades in a one-to-one correspondence manner; the first driving shaft is provided with a main gear, the second driving shaft is provided with branch gears, and all the branch gears are meshed with the main gear.
Through the cooperation of master gear and branch gear, only need drive first drive shaft just can drive the work of drill bit and a plurality of cutting blade simultaneously, the more compact reliable that whole structure can set up. And the branch gears are matched with the same main gear, so that the cutting blades are not easy to interfere with each other when swinging.
In one embodiment of the present invention, the device further includes a driving structure, the driving structure includes:
the rotating shaft is arranged on the mounting seat, and the cutting blade is rotatably mounted on the rotating shaft;
the end part of the driving wheel is provided with an eccentric column which is eccentrically arranged;
one end of the connecting rod is hinged to the eccentric column, the other end of the connecting rod is hinged to the cutting blade, and when the driving wheel rotates, the connecting rod drives the cutting blade to swing in a reciprocating mode.
The application also discloses another system hole mechanism, system hole mechanism includes:
a mounting seat;
the first driving shafts are arranged in parallel and are rotatably arranged on the mounting seat;
a plurality of drills, each of which is mounted on a corresponding first driving shaft;
the cutting blades are arranged on the outer sides of the drills in a winding mode, the end portions of the cutting blades are provided with cutting edges, the cutting edges of the cutting blades and the heads of the drills are located on the same side, each cutting blade forms a second space, and each drill is located in the second space; the cutting blade is rotatably installed on the installation seat, and the cutting blade can swing back and forth after being driven to perform cutting operation.
In this application, "the drill is located in the first space" does not limit the drill to be located completely in the first space, but also includes that the drill has a part of the structure penetrating out of the first space.
The structure that sets up a plurality of first drive shafts for only a drive shaft can make a plurality of circular ports through a plurality of drills, can reduce the size of single drill bit.
The application also discloses a hole making device, which comprises the hole making mechanism.
In practical application, the hole making device further comprises a driving element for driving the first driving shaft to rotate, the driving element is a motor or an oil engine, and the driving element directly or through a reduction gearbox drives the first driving shaft to rotate.
The utility model has the advantages that: the first driving shaft of the hole forming mechanism can be driven to rotate, a round hole can be formed through a drill bit installed on the first driving shaft, and the cutting blade can be driven to swing in a reciprocating mode, so that the cutting edge of the cutting blade can perform linear cutting operation, the area around the round hole is cut, and through the cooperation of the drill bit and the plurality of cutting blades, a non-round hole can be formed, for example, a triangular hole, a rectangular hole or a regular polygonal hole and the like can be formed.
Description of the drawings:
FIG. 1 is a schematic view of a hole making apparatus;
FIG. 2 is a front view of the hole making device;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of a cutting blade with one cutting blade removed;
FIG. 5 is a partial exploded view of the hole making device;
FIG. 6 is a schematic view of the cooperation of the first drive shaft, drill bit, drive structure and cutting blade;
fig. 7 is an exploded view of fig. 6.
The figures are numbered:
1. a mounting seat; 2. a first drive shaft; 3. a cutting blade; 4. a drill bit; 5. a waste discharge port; 6. a first space; 7. a cutting edge; 8. a blade part; 9. a flat side wall; 10. an arcuate sidewall; 11. a bending section; 12. a rotating shaft; 13. a transmission member; 14. a groove; 15. a second drive shaft; 16. an eccentric portion; 17. an eccentric column; 18. a main gear; 19. gear division; 20. a reduction gearbox; 21. a drive element.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1 to 7, a hole making device includes a hole making mechanism, and the hole making mechanism includes:
a mounting base 1;
the first driving shaft 2 is rotatably arranged on the mounting seat 1, and the first driving shaft 2 is used for mounting a drill bit 4 and driving the drill bit 4 to rotate;
a plurality of cutting blades 3 distributed around the axis of the first driving shaft 2, wherein the end parts of the cutting blades 3 are provided with cutting edges 7, each cutting blade 3 forms a first space 6, after the drill 4 is installed, the drill 4 is positioned in the first space 6, and the cutting edges 7 of the cutting blades 3 are positioned on the same side with the head part of the drill 4; the cutting blade 3 is rotatably mounted on the mounting seat 1, and the cutting blade 3 can be driven to reciprocate to perform cutting operation.
The fact that the drill 4 is located in the first space 6 does not limit the fact that the drill 4 is located completely in the first space 6, and in this embodiment, the drill 4 has a partial structure extending out of the first space 6, which is configured to facilitate the drilling operation.
The first driving shaft 2 of the hole forming mechanism can be driven to rotate, a round hole can be formed by the drill 4 installed on the first driving shaft 2, the cutting blade 3 can be driven to swing back and forth, so that the cutting edge 7 of the cutting blade 3 can perform a straight line cutting operation to cut the area around the round hole, and a non-round hole can be formed by the cooperation of the drill 4 and the plurality of cutting blades 3, for example, a triangular hole or a regular polygonal hole and the like can be formed.
In practice, the structure for driving the first driving shaft 2 may adopt various rotation driving structures, such as a motor and an oil engine, which are directly or indirectly driven, and the structure for driving the cutting blade 3 to reciprocate may also adopt various swing driving structures, such as a rocker or an eccentric wheel structure, and the like.
During the actual use, can also only 2 cutting blade 3, 2 cutting blade 3 symmetries set up in the both sides of first drive shaft 2, and the during operation also can realize cutting out the quad slit through 2 operations (the relative first rotation 90 degrees for the second time).
In the present embodiment, the cutting blades 3 are evenly distributed around the axis of the first drive shaft 2. The even distribution form can be better make comparatively regular hole.
In this embodiment, the number of the cutting blades 3 is 4, that is, the hole making mechanism of this embodiment is used for making a square hole, and the square hole is used for mounting a socket box. When the cutting blade device is actually used, the number of the cutting blades 3 can be 3-8, or even more.
As shown in fig. 1, in the present embodiment, a waste discharge opening 5 is provided between two adjacent cutting blades 3. Through setting up waste discharge port 5, in the system hole process, make things convenient for the waste material to discharge.
As shown in fig. 1 and 2, in the present embodiment, the cutting edge 7 has a straight side wall 9 on the outside and an arc-shaped side wall 10 corresponding to the drill 4 on the inside;
the head of the drill bit 4 is a pointed structure, the head of the drill bit 4 is provided with a plurality of groups of blade parts 8 which are uniformly distributed around the axis of the drill bit 4, the blade parts 8 of each group are intersected at one position, and the blade parts 8 of each group are positioned at the outer side of the first space 6 or the intersection of the blade parts 8 of each group is positioned at the outer side of the first space 6.
The cutting edge 7 has a straight side wall 9 on the outside, through which straight side wall 9 a straight side wall of the hole can be obtained; the inner side of the cutting edge 7 is provided with an arc-shaped side wall 10 corresponding to the drill bit 4, and the structure form enables the cutting edge 7 to be narrow in the middle and wide at the two ends in the length direction of the cutting edge 7 in the corresponding area of the arc-shaped side wall 10, so that the area which can not be drilled by the drill bit 4 can be cut off more reliably.
In actual use, two sides of the straight side wall 9 and two sides of the arc side wall 10 are transited through at least one transition side wall.
As shown in fig. 1, in the present embodiment, the cutting blade 3 has a bent portion 11, and a reinforcing rib is disposed at the bent portion 11. In practice, the cutting edge 7 and the cutting blade 3 are of an integral structure, or may be of a separately fixed (e.g., welded) structure. In this embodiment, the cutting edge 7 is welded to the end of the cutting blade 3. In practice the cutting edge 7 may be tungsten steel.
In the present embodiment, the side of the cutting blade 3 where the cutting edge 7 is located is an arc-shaped structure, which makes the contact area with the surface to be drilled small at the beginning, and facilitates the cutting operation.
As shown in fig. 3 to 7, in the present embodiment, the driving structure further includes:
the rotating shaft 12 is rotatably arranged on the mounting seat 1, and the rotating shaft 12 is fixed with the corresponding cutting blade 3;
a transmission member 13 mounted on the rotating shaft 12 and fixed relative to the rotating shaft 12 in a circumferential direction, the transmission member 13 having a groove 14;
the second driving shaft 15 is rotatably installed on the installation base 1, an end portion of the second driving shaft 15 is provided with an eccentric portion 16, the eccentric portion 16 is matched with the groove 14, when the second driving shaft 15 rotates, the eccentric portion 16 is driven to rotate eccentrically, and the eccentric portion 16 enables the transmission piece 13 to swing back and forth through the groove 14.
In practical use, the cutting blade 3 may be integrated with the rotating shaft 12, or may be detachably connected or welded, and preferably, is detachably connected in this embodiment.
The driving structure works according to the principle that: the second driving shaft 15 is driven to rotate, the eccentric portion 16 cooperates with the groove 14 to drive the transmission member 13 to swing back and forth, and the transmission member 13 drives the cutting blade 3 to swing back and forth through the rotating shaft 12.
As shown in fig. 3 and 7, in the present embodiment, the end of the second driving shaft 15 has an eccentric column 17, and the eccentric portion 16 is a roller mounted on the eccentric column 17. In actual use, the roller can be a bearing.
As shown in fig. 3, 5, 6 and 7, in the present embodiment, there are a plurality of driving structures, and the driving structures are matched with the cutting blades 3 in a one-to-one correspondence; the first drive shaft 2 is provided with a main gear 18, the second drive shaft 15 is provided with branch gears 19, and each branch gear 19 is meshed with the main gear 18. By the cooperation of the main gear 18 and the sub-gear 19, the drill 4 and the plurality of cutting blades 3 can be driven simultaneously only by driving the first driving shaft 2, and the whole structure can be more compact and reliable. Moreover, the sub-gear 19 is engaged with the same main gear 18, so that the cutting blades 3 are not easily interfered with each other when swinging.
In other embodiments, the driving structure may also be configured such that the driving structure comprises:
a rotating shaft 12 arranged on the mounting base 1, and the cutting blade 3 is rotatably mounted on the rotating shaft 12;
a driving wheel with an eccentric column 17 at the end;
one end of the connecting rod is hinged with the eccentric column 17, the other end of the connecting rod is hinged with the cutting blade 3, and when the driving wheel rotates, the connecting rod drives the cutting blade 3 to swing in a reciprocating mode.
As shown in fig. 2 and 3, the hole making device further comprises a driving element 21 for driving the first driving shaft 2 to rotate, the driving element 21 is a motor or an oil engine, the driving element 21 drives the first driving shaft 2 to rotate through the reduction box 20, and in practical use, the driving element 21 can also directly drive the first driving shaft 2 to rotate.
Example 2
The present embodiment discloses a hole forming mechanism, which is different from embodiment 1 in that the hole forming mechanism of the present embodiment includes:
a mounting seat;
the first driving shafts are arranged in parallel and are rotatably arranged on the mounting seat;
a plurality of drills, each of which is mounted on a corresponding first driving shaft;
the cutting blades are arranged on the outer sides of the drills in a winding mode, the end portions of the cutting blades are provided with cutting edges, the cutting edges of the cutting blades and the heads of the drills are located on the same side, each cutting blade forms a second space, and each drill is located in the second space; the cutting blade is rotatably arranged on the mounting seat, and can swing back and forth after being driven to perform cutting operation.
In this application, "the drill is located in the first space" does not limit the drill to be located completely in the first space, but also includes that the drill has a part of the structure penetrating out of the first space.
Compared with the structure of only one driving shaft in embodiment 1, the structure of providing a plurality of first driving shafts can make a plurality of circular holes by a plurality of drills, and can reduce the size of a single drill.
Other structures of the hole forming mechanism can be provided with reference to embodiment 1.
The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (10)
1. A hole forming mechanism of a hole forming device, comprising:
a mounting seat;
the first driving shaft is rotatably arranged on the mounting seat and is used for mounting a drill bit and driving the drill bit to rotate;
a plurality of cutting blades distributed around the axis of the first driving shaft, wherein the end parts of the cutting blades are provided with cutting edges, each cutting blade forms a first space, after the drill is installed, the drill is positioned in the first space, and the cutting edges of the cutting blades are positioned on the same side with the head part of the drill; the cutting blade is rotatably installed on the installation seat, and the cutting blade can swing back and forth after being driven to perform cutting operation.
2. The hole forming mechanism of a hole forming device of claim 1, wherein the cutting blades are evenly distributed about the axis of the first drive shaft.
3. A hole making mechanism of a hole making device as claimed in claim 2, wherein the number of said cutting blades is 3 to 8; a waste discharge opening is formed between two adjacent cutting blades.
4. The hole forming mechanism of a hole forming device as claimed in claim 2, wherein said cutting edge has a straight side wall on the outside and an arc side wall corresponding to the drill on the inside;
the head of drill bit is sharp column structure, and the head of drill bit has the cutting part of multiunit around drill bit axis evenly distributed, and each cutting part of group intersects in a department, and each cutting part of group all is located the outside in first space or the intersection of each cutting part of group is located the outside in first space.
5. A hole forming mechanism for a hole forming device as claimed in any one of claims 1 to 4, further comprising a drive mechanism, the drive mechanism comprising:
the rotating shaft is rotatably arranged on the mounting seat and is fixed with the corresponding cutting blade;
the transmission piece is arranged on the rotating shaft and is relatively fixed with the rotating shaft in the circumferential direction, and the transmission piece is provided with a groove;
the second drive shaft rotates and is installed on the installation seat, the end part of the second drive shaft is provided with an eccentric part, the eccentric part is matched with the groove, when the second drive shaft rotates, the eccentric part is driven to rotate, and the eccentric part enables the transmission part to swing in a reciprocating mode through the groove.
6. A tapping mechanism for a tapping device as claimed in claim 5, wherein the end of the second drive shaft is provided with an eccentric stud, the eccentric portion being a roller mounted on the eccentric stud.
7. A hole forming mechanism for a hole forming device as claimed in claim 5, wherein there are a plurality of said drive formations, the drive formations cooperating with the cutting blades in a one-to-one correspondence; the first driving shaft is provided with a main gear, the second driving shaft is provided with branch gears, and all the branch gears are meshed with the main gear.
8. A hole forming mechanism for a hole forming device as claimed in any one of claims 1 to 4, further comprising a drive mechanism, the drive mechanism comprising:
the rotating shaft is arranged on the mounting seat, and the cutting blade is rotatably mounted on the rotating shaft;
the end part of the driving wheel is provided with an eccentric column which is eccentrically arranged;
one end of the connecting rod is hinged to the eccentric column, the other end of the connecting rod is hinged to the cutting blade, and when the driving wheel rotates, the connecting rod drives the cutting blade to swing in a reciprocating mode.
9. A hole forming mechanism of a hole forming device, comprising:
a mounting seat;
the first driving shafts are arranged in parallel and are rotatably arranged on the mounting seat;
a plurality of drills, each of which is mounted on a corresponding first driving shaft;
the cutting blades are arranged on the outer sides of the drills in a winding mode, the end portions of the cutting blades are provided with cutting edges, the cutting edges of the cutting blades and the heads of the drills are located on the same side, each cutting blade forms a second space, and each drill is located in the second space; the cutting blade is rotatably installed on the installation seat, and the cutting blade can swing back and forth after being driven to perform cutting operation.
10. A hole making device, characterized by comprising the hole making mechanism as claimed in any one of claims 1 to 9, and further comprising a driving element for driving the first driving shaft to rotate, wherein the driving element is a motor or an oil engine, and the driving element directly or through a reduction gearbox drives the first driving shaft to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921095942.7U CN210160458U (en) | 2019-07-12 | 2019-07-12 | Hole making mechanism of hole making device and hole making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921095942.7U CN210160458U (en) | 2019-07-12 | 2019-07-12 | Hole making mechanism of hole making device and hole making device |
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| Publication Number | Publication Date |
|---|---|
| CN210160458U true CN210160458U (en) | 2020-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921095942.7U Expired - Fee Related CN210160458U (en) | 2019-07-12 | 2019-07-12 | Hole making mechanism of hole making device and hole making device |
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| CN (1) | CN210160458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227842A (en) * | 2019-07-12 | 2019-09-13 | 永康市煌丰工贸有限公司 | The drilling mechanism and punching device of punching device |
-
2019
- 2019-07-12 CN CN201921095942.7U patent/CN210160458U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110227842A (en) * | 2019-07-12 | 2019-09-13 | 永康市煌丰工贸有限公司 | The drilling mechanism and punching device of punching device |
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