CN116786863A - Drilling device and method - Google Patents
Drilling device and method Download PDFInfo
- Publication number
- CN116786863A CN116786863A CN202310664378.0A CN202310664378A CN116786863A CN 116786863 A CN116786863 A CN 116786863A CN 202310664378 A CN202310664378 A CN 202310664378A CN 116786863 A CN116786863 A CN 116786863A
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- Prior art keywords
- gear
- gear set
- drilling
- center
- transmission chain
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- 238000005553 drilling Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The invention provides a drilling device and a drilling method, wherein the device comprises the following components: a gear set; the transmission chain is surrounded to form a containing space consistent with the shape of a drilling hole to be processed, and the gear set is arranged in the containing space and is in meshed connection with the transmission chain; a plurality of sharp teeth are arranged on the first end surface of the transmission chain; the transmission chain is driven to rotate around the gear set through the mutual meshing rotation among gears in the gear set; the first end face is an end face perpendicular to the central line of the accommodating space. The drilling device provided by the invention can directly obtain oblong drilling, and has high labor efficiency and ensured precision.
Description
Technical Field
The invention relates to the technical field of drilling, in particular to a drilling device and a drilling method.
Background
In the remanufacturing process of the automobile body and the automobile frame, a plurality of oblong holes are needed for assembling parts, but the conventional drilling device cannot drill oblong holes directly, only one round hole can be drilled first, and then the oblong holes can be drilled by a manual expansion method, so that the labor efficiency is low, and the precision of the oblong holes cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a drilling device and a drilling method, which are used for solving the problem that a long round hole cannot be drilled directly.
In order to solve the above technical problems, an embodiment of the present invention provides a drilling device, including:
a gear set;
the transmission chain is surrounded to form a containing space consistent with the shape of a drilling hole to be processed, and the gear set is arranged in the containing space and is meshed with the transmission chain; a plurality of sharp teeth are arranged on the first end face of the transmission chain;
the transmission chain is driven to rotate around the gear set through the mutual meshing rotation between gears in the gear set; the first end face is an end face perpendicular to the central line of the accommodating space.
Optionally, the gear set includes:
the axle center is coincident with the central line of the accommodating space;
the shaft center of the first gear is provided with a locating pin, and the extending direction of the locating pin is the same as the protruding direction of the sharp teeth on the first end face.
Optionally, an end of the locating pin remote from the first gear is formed in a tapered configuration.
Optionally, the first gear is provided with a first rotating shaft on an end surface facing away from the positioning pin, and the first rotating shaft is used for connecting a driving piece;
wherein the driving member inputs a rotational driving force to the first gear through the first rotation shaft.
Optionally, the gear set further comprises:
the two second gears are positioned at two sides of the first gear and are respectively connected with the first gear in a meshed manner;
the first gears rotate in a first direction to drive the two second gears to rotate in a second direction opposite to the first direction, and the two second gears drive the transmission chain to rotate.
Optionally, the diameters of the two second gears are equal, and the diameter of the first gear is smaller than the diameter of the second gear.
Optionally, the drive chain comprises a plurality of engagement racks engaged with the gear set, wherein on the first end face, one of the tines is provided at a corresponding position of each engagement rack.
Optionally, the apparatus further comprises:
and the gear set is arranged on the positioning plate through a rotating shaft.
Optionally, a plurality of positioning holes are formed in the positioning plate;
a rotating shaft is arranged on the shaft center of each gear in the gear set;
the rotating shaft penetrates through the positioning hole and is in rotating connection with the positioning plate.
The embodiment of the invention also provides a drilling method which is applied to the drilling device, and the method comprises the following steps:
manufacturing a round hole on a to-be-machined workpiece, wherein the diameter of the round hole is smaller than the diameter of a to-be-machined drilling hole manufactured on the to-be-machined workpiece;
the center of the gear set is aligned with the center of the round hole, a plurality of sharp teeth are attached to the workpiece to be machined, the gear set is driven to rotate through the driving piece, the gear set drives the transmission chain to rotate around the gear set, and a plurality of sharp teeth are arranged on the workpiece to be machined to manufacture the drilling hole to be machined.
Optionally, the gear set includes the axle center with the first gear of accommodation space's central line coincidence, be provided with the locating pin on the axle center of first gear the center of gear set with the center of round hole, include:
by inserting the locating pin into the circular hole, the center of the gear set is aligned with the center of the circular hole.
The technical scheme of the invention has the following beneficial effects:
in the scheme, the driving piece drives the transmission chain to rotate through the gear set, and the plurality of sharp teeth on the first end face of the transmission chain are used for manufacturing the drilling holes to be processed, the shape of the drilling holes is consistent with that of the accommodating space, on the to-be-processed workpiece. By adopting the drilling device provided by the invention, when the transmission chain is surrounded to form the oblong accommodating space, the oblong hole can be directly obtained, the labor efficiency is high, and the precision is ensured.
Drawings
FIG. 1 is a schematic diagram of a drilling apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a gear set according to an embodiment of the present invention;
FIG. 3 is a schematic view of a driving chain according to an embodiment of the present invention;
FIG. 4 is a front view of a drilling apparatus according to an embodiment of the present invention;
FIG. 5 is a side view of a drilling apparatus according to an embodiment of the present invention;
FIG. 6 is a top view of a drilling apparatus according to an embodiment of the present invention;
fig. 7 is a schematic diagram of an application of a drilling device according to an embodiment of the invention.
Reference numerals illustrate:
1: a gear set;
2: a drive chain;
3: a positioning plate;
4: a driving member;
5: a rotating shaft;
11: a first gear;
12: a second gear;
21: an accommodating space;
22: tines;
23: a meshing rack;
110: and (5) positioning pins.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 3, a drilling device according to an embodiment of the present invention includes:
a gear set 1;
the transmission chain 2 is surrounded to form a containing space 21 consistent with the shape of a drilling hole to be processed, and the gear set 1 is arranged in the containing space 21 and is in meshed connection with the transmission chain 2; a plurality of sharp teeth 22 are arranged on the first end surface of the transmission chain 2;
wherein, through the mutual engagement rotation among gears in the gear set 1, the transmission chain 2 is driven to rotate around the gear set 1; the first end face is an end face perpendicular to the center line of the accommodating space 21.
In the above embodiment of the present invention, when the accommodating space 21 is oblong, the driving member 4 drives the driving chain 2 to rotate through the gear set 1, and the plurality of sharp teeth 22 on the first end surface of the driving chain 2 make the drilled holes to be processed on the workpiece to be processed, which are consistent with the shape of the accommodating space. The drilling device in the embodiment can directly obtain the slotted hole, so that the labor efficiency is high, and the precision is ensured.
Optionally, the gear set 1 comprises:
a first gear 11 whose axis coincides with the center line of the accommodating space 21;
wherein, a positioning pin 110 is disposed on the axis of the first gear 11, and the extending direction of the positioning pin 110 is the same as the protruding direction of the sharp teeth 22 on the first end surface.
In the above embodiment of the present invention, the positioning pin is fixed on the axis of the first gear 11; among other securing methods, key positioning, pin positioning, and interference fit positioning are included.
Alternatively, an end of the positioning pin 110 remote from the first gear 11 is formed in a tapered structure.
In the above embodiment of the present invention, one end of the tapered structure of the positioning pin 110 may be used to make a round hole on a workpiece to be machined.
Optionally, the first gear 11 is provided with a first rotation shaft on an end surface facing away from the positioning pin 110, for connecting with the driving member 4;
wherein the driving member 4 inputs a rotational driving force to the first gear 11 through the first rotation shaft.
In the above embodiment of the present invention, the driving member 4 is a pneumatic trigger, and the first shaft is fixed on the shaft center of the first gear 11, where the first shaft and the positioning pin 110 may be two different shafts or two parts of one shaft, and the fixing method includes, but is not limited to, key positioning, pin positioning and interference fit positioning. The driving member 4 is connected to the first rotating shaft and drives the first rotating shaft to rotate, so as to drive the first gear 11 and the positioning pin 110 to rotate.
Optionally, the gear set 1 further comprises:
two second gears 12 positioned at two sides of the first gear 11, wherein the two second gears 12 are respectively connected with the first gear 11 in a meshed manner;
the first gear 11 rotates in a first direction to drive the two second gears 12 to rotate in a second direction opposite to the first direction, and the two second gears 12 drive the transmission chain 2 to rotate.
In the above embodiment of the present invention, the two second gears 12 are engaged with the transmission chain 2, and if the first gear 11 rotates clockwise, the second gears 12 and the transmission chain 2 rotate counterclockwise, and if the first gear 11 rotates counterclockwise, the second gears 12 and the transmission chain 2 rotate clockwise.
Alternatively, the diameters of the two second gears 12 are equal, and the diameter of the first gear 11 is smaller than the diameter of the second gear 12.
Optionally, the drive chain 2 comprises a plurality of engagement racks 23 engaging with the gear set, wherein on the first end face, one of the tines 22 is provided at a respective position of each engagement rack 23.
Fig. 4 to 6 are schematic structural views of a drilling device according to the present invention.
Optionally, the apparatus further comprises:
and the gear set 1 is arranged on the positioning plate 3 through a rotating shaft 5.
In the above embodiment of the present invention, the positioning plate 3 ensures the relative position of the gears in the gear set 1 to be fixed, thereby increasing the stability of the device.
Optionally, a plurality of positioning holes are formed in the positioning plate 3;
a rotating shaft 5 is arranged on the shaft center of each gear in the gear set 1;
the rotating shaft 5 penetrates through the positioning hole to be in rotary connection with the positioning plate 3.
In the above embodiment of the present invention, the rotating shaft 5 and the positioning hole adopt a connection mode of clearance fit, and the rotating shaft 5 can rotate relative to the positioning hole; each spindle 5 is fixed to the hub of each gear in the gear set 1 by methods including, but not limited to, key positioning, pin positioning and interference fit positioning.
Fig. 7 is a schematic diagram of an application of the drilling device provided by the invention.
The embodiment of the invention also provides a drilling method which is applied to the drilling device, and the method comprises the following steps:
manufacturing a round hole on a to-be-machined workpiece, wherein the diameter of the round hole is smaller than the diameter of a to-be-machined drilling hole manufactured on the to-be-machined workpiece;
the center of the gear set 1 is aligned with the center of the round hole, a plurality of sharp teeth 22 are attached to the workpiece to be machined, the gear set 1 is driven to rotate through the driving piece 4, the gear set 1 drives the transmission chain 2 to rotate around the gear set 1, and a plurality of sharp teeth 22 are used for manufacturing the drilling holes to be machined on the workpiece to be machined.
Optionally, the gear set 1 includes a first gear 11 whose axis coincides with the center line of the accommodating space 21, and when the axis of the first gear 11 is provided with the positioning pin 110, aligning the center of the gear set 1 with the center of the circular hole includes:
by inserting the positioning pin 110 into the circular hole, the center of the gear set 1 is aligned with the center of the circular hole.
In the above embodiment of the present invention, after the positioning pin 110 is aligned with the center of the workpiece to be machined, the driving member 4 is started to drive the rotating shaft 5, the gear set 1, the positioning pin 110 and the transmission chain 2 to rotate; firstly, the positioning pin 110 is aligned with the center of a workpiece to be machined to drill a round hole, and is inserted into the round hole, and the plurality of sharp teeth 22 are gradually attached to the workpiece to be machined, so that the positions and the stability of the drilling device and the workpiece to be machined are ensured; next, a plurality of the tines 22 make the borehole to be machined in the work piece.
In summary, in the above embodiment of the present invention, the driving member 4 drives the driving chain 2 to rotate through the gear set 1, the plurality of sharp teeth 22 on the first end surface of the driving chain 2 make the holes to be processed on the workpiece to be processed, the holes to be processed are consistent with the shape of the accommodating space, and when the shape of the accommodating space 21 is oblong, the holes can be directly obtained by adopting the drilling device in the embodiment, so that the labor efficiency is high and the precision is ensured.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (11)
1. A drilling apparatus, comprising:
a gear set;
the transmission chain is surrounded to form a containing space consistent with the shape of a drilling hole to be processed, and the gear set is arranged in the containing space and is meshed with the transmission chain; a plurality of sharp teeth are arranged on the first end face of the transmission chain;
the transmission chain is driven to rotate around the gear set through the mutual meshing rotation between gears in the gear set; the first end face is an end face perpendicular to the central line of the accommodating space.
2. The drilling apparatus of claim 1, wherein the gear set comprises:
the axle center is coincident with the central line of the accommodating space;
the shaft center of the first gear is provided with a locating pin, and the extending direction of the locating pin is the same as the protruding direction of the sharp teeth on the first end face.
3. The drilling apparatus of claim 2, wherein an end of the locating pin remote from the first gear is formed in a tapered configuration.
4. Drilling device according to claim 2, wherein the first gear is provided with a first rotation shaft on the end face facing away from the positioning pin for connection to a drive member;
wherein the driving member inputs a rotational driving force to the first gear through the first rotation shaft.
5. The drilling apparatus of claim 2, wherein the gear set further comprises:
the two second gears are positioned at two sides of the first gear and are respectively connected with the first gear in a meshed manner;
the first gears rotate in a first direction to drive the two second gears to rotate in a second direction opposite to the first direction, and the two second gears drive the transmission chain to rotate.
6. The drilling apparatus of claim 5, wherein the diameters of the two second gears are equal, and the diameter of the first gear is smaller than the diameter of the second gear.
7. The drilling apparatus of claim 1, wherein the drive chain includes a plurality of meshing racks meshing with the gear train, wherein on the first end face, one of the tines is provided at a respective location of each of the meshing racks.
8. The drilling apparatus of claim 1, wherein the apparatus further comprises:
and the gear set is arranged on the positioning plate through a rotating shaft.
9. The drilling apparatus of claim 8, wherein the positioning plate is provided with a plurality of positioning holes;
a rotating shaft is arranged on the shaft center of each gear in the gear set;
the rotating shaft penetrates through the positioning hole and is in rotating connection with the positioning plate.
10. A drilling method, applied to the drilling apparatus of claims 1 to 9, comprising:
manufacturing a round hole on a to-be-machined workpiece, wherein the diameter of the round hole is smaller than the diameter of a to-be-machined drilling hole manufactured on the to-be-machined workpiece;
the center of the gear set is aligned with the center of the round hole, a plurality of sharp teeth are attached to the workpiece to be machined, the gear set is driven to rotate through the driving piece, the gear set drives the transmission chain to rotate around the gear set, and a plurality of sharp teeth are arranged on the workpiece to be machined to manufacture the drilling hole to be machined.
11. The drilling method according to claim 10, wherein the gear set includes a first gear having an axis coincident with a center line of the accommodating space, and wherein aligning a center of the gear set with a center of the circular hole in a case where a positioning pin is provided on the axis of the first gear includes:
by inserting the locating pin into the circular hole, the center of the gear set is aligned with the center of the circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310664378.0A CN116786863A (en) | 2023-06-06 | 2023-06-06 | Drilling device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310664378.0A CN116786863A (en) | 2023-06-06 | 2023-06-06 | Drilling device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116786863A true CN116786863A (en) | 2023-09-22 |
Family
ID=88035558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310664378.0A Pending CN116786863A (en) | 2023-06-06 | 2023-06-06 | Drilling device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116786863A (en) |
-
2023
- 2023-06-06 CN CN202310664378.0A patent/CN116786863A/en active Pending
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