CN209754059U - Coaxial double-drill-bit device - Google Patents
Coaxial double-drill-bit device Download PDFInfo
- Publication number
- CN209754059U CN209754059U CN201920567269.6U CN201920567269U CN209754059U CN 209754059 U CN209754059 U CN 209754059U CN 201920567269 U CN201920567269 U CN 201920567269U CN 209754059 U CN209754059 U CN 209754059U
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- CN
- China
- Prior art keywords
- drill
- bit
- drill bit
- protective cover
- driven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a coaxial double-drill bit device, coaxial double-drill bit device installs on the drilling machine, coaxial double-drill bit device includes drill bushing, drive mechanism, guard shield and drill bit mechanism, the upper portion of drill bushing is installed on the main shaft of drilling machine, the upper end of drive mechanism install in the inside lower extreme of drill bushing, the lower extreme of drive mechanism extends to in the cavity of guard shield, the guard shield is fixed in the lower extreme of drill bushing, the drill bit mechanism installs in the guard shield, the drill bit mechanism with the lower extreme meshing of drive mechanism is connected, and the work end of drill bit mechanism passes the guard shield downwards, the drill bushing rotates along with the main shaft of drilling machine, the drive mechanism rotates along with the rotation of drill bushing, the drive mechanism drives the drill bit mechanism rotates, the work end of drill bit mechanism is used for installing the drill bit; the utility model discloses it is laborsaving to save labour, improves machining efficiency, and simple structure has good market using value.
Description
Technical Field
The utility model relates to a drilling equipment technical field especially involves a coaxial double drill bit device.
Background
In machining production, drilling equipment is widely used, in drilling equipment, a drill bit device is one of key parts, most of drilling equipment adopts a single drill bit device to be installed on a main shaft of a machine tool, the single drill bit device is driven by the main shaft to complete single drilling processing of a workpiece, each hole to be processed needs to be processed one by one through the drill bit device for two or more drilling processing, for example, when four-corner holes of two parallel holes or a square need to be processed on one workpiece, the processing needs to be processed twice or four times one by one, and in addition, the processing needs to be aligned and scribed in advance during single processing one by one, the labor and time are wasted, and the processing efficiency is influenced.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects existing in the prior art, the utility model provides a coaxial double-drill bit device.
The utility model provides a technical document, a coaxial double-drill bit device, coaxial double-drill bit device installs on the drilling machine, coaxial double-drill bit device includes drill bushing, drive mechanism, guard shield and drill bit mechanism, the upper portion of drill bushing is installed on the main shaft of drilling machine, the upper end of drive mechanism is installed in the inside lower extreme of drill bushing, the lower extreme of drive mechanism extends to in the cavity of guard shield, the guard shield is fixed in the lower extreme of drill bushing, the drill bit mechanism is installed in the guard shield, the drill bit mechanism with the lower extreme meshing of drive mechanism is connected, and the working end of drill bit mechanism passes the guard shield downwards; the drill bush rotates along with a main shaft of the drilling machine, the transmission mechanism rotates along with the rotation of the drill bush, the transmission mechanism drives the drill bit mechanism to rotate, and the working end of the drill bit mechanism is used for installing a drill bit.
Preferably, the transmission mechanism comprises a reducing sleeve assembly, a main transmission shaft and a main transmission gear, the reducing sleeve assembly is installed at the lower end of the interior of the drill bushing, the main transmission shaft is installed in the reducing sleeve assembly, and the main transmission gear is sleeved at the lower end of the main transmission gear.
Preferably, the drill bit mechanism comprises a first drill bit assembly and a second drill bit assembly, the first drill bit assembly and the second drill bit assembly are symmetrically arranged on two sides of the main transmission gear and are meshed and connected with the main transmission gear, and the working ends of the first drill bit assembly and the second drill bit assembly penetrate through the protective cover downwards.
preferably, the first drill bit assembly comprises a first driven gear, a first driven transmission shaft and a first drill chuck, the first driven transmission shaft is vertically installed in the protective cover and is rotatably connected with the protective cover, the first driven gear is sleeved on the upper end of the first driven transmission shaft and is in meshed connection with the main transmission gear, and the first driven transmission shaft penetrates through the protective cover downwards and then is fixedly connected with the first drill chuck.
Preferably, the second drill bit assembly comprises a second driven gear, a second driven transmission shaft and a second drill chuck, the second driven transmission shaft is vertically installed in the protective cover and is rotatably connected with the protective cover, the second driven gear is sleeved at the upper end of the second driven transmission shaft and is in meshed connection with the main transmission gear, and the second driven transmission shaft penetrates through the protective cover downwards and then is fixedly connected with the second drill chuck.
Preferably, the intersection of the first driven transmission shaft and the second driven transmission shaft with the protective cover is sealed by a sealing ring, and the working ends of the first drill chuck and the second drill chuck are in the same horizontal plane.
Compared with the prior art, the beneficial effects are that: the utility model discloses a drive mechanism drives first drill bit assembly and second drill bit assembly synchronous working, can save half the process time to two holes of processing or square quadrangle hole, and it is laborsaving to save labour, improves machining efficiency, and simple structure has good market using value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the connection between the transmission mechanism and the drill mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the transmission mechanism of the present invention;
FIG. 4 is a schematic structural view of a drill mechanism according to the present invention;
Reference numerals: 1. drilling a sleeve; 2. a transmission mechanism; 3. a shield; 4. a drill bit mechanism; 21. a variable diameter sleeve assembly; 22. a main drive shaft; 23. a main drive gear; 41. a first drill bit assembly; 42. a second drill bit assembly; 411. a first driven gear; 412. a first driven transmission shaft; 413. a first drill chuck; 421. a second driven gear; 422. a second driven transmission shaft; 423. and a second drill chuck.
Detailed Description
It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the first embodiment of the present invention: a coaxial double-drill-bit device is arranged on a drilling machine and comprises a drill bushing 1, a transmission mechanism 2, a shield 3 and a drill bit mechanism 4, wherein the upper part of the drill bushing 1 is arranged on a main shaft of the drilling machine, the upper end of the transmission mechanism 2 is arranged at the lower end inside the drill bushing 1, the lower end of the transmission mechanism 2 extends into a cavity of the shield 3, the shield 3 is fixed at the lower end of the drill bushing 1, the drill bit mechanism 4 is arranged in the shield 3, the drill bit mechanism 4 is meshed with the lower end of the transmission mechanism 2, and the working end of the drill bit mechanism 4 downwards penetrates through the shield 3; the drill bush 1 rotates along with a main shaft of a drilling machine, the transmission mechanism 2 rotates along with the rotation of the drill bush 1, the transmission mechanism 2 drives the drill bit mechanism 4 to rotate, and the working end of the drill bit mechanism 4 is used for installing a drill bit.
Preferably, as shown in fig. 3, drive mechanism 2 includes reducing cover subassembly 21, final drive shaft 22 and final drive gear 23, reducing cover subassembly 21 install in the inside lower extreme of drill bushing 1, final drive shaft 22 install in the reducing cover subassembly 21, final drive gear 23 cover is located final drive gear 23's lower extreme, reducing cover subassembly 21 installs the reducing cover of matching different specification models according to the processing needs, and final drive gear 23 matches the gear of different specification sizes according to the interval between the drilling, if the distance between two drilling is less selects the gear that specification size is little, if the distance between two drilling is great selects the gear that specification size is big.
Preferably, as shown in fig. 4, the drill mechanism 4 includes a first drill component 41 and a second drill component 42, the first drill component 41 and the second drill component 42 are symmetrically disposed on two sides of the main transmission gear 23 and are engaged with the main transmission gear 23, working ends of the first drill component 41 and the second drill component 42 both penetrate the shield 3 downward, and when the main transmission gear 23 rotates, the first driven gear 411 and the second driven gear 421 are driven to rotate at the same time.
Preferably, the first drill bit assembly 41 comprises a first driven gear 411, a first driven transmission shaft 412 and a first drill chuck 413, the first driven transmission shaft 412 is vertically installed in the shield 3 and is rotatably connected with the shield 3, the first driven gear 411 is sleeved on the upper end of the first driven transmission shaft 412 and is in meshing connection with the main transmission gear 23, and the first driven transmission shaft 412 is fixedly connected with the first drill chuck 413 after passing through the shield 3 downwards.
Preferably, the second drill bit assembly 42 comprises a second driven gear 421, a second driven transmission shaft 422 and a second drill chuck 423, the second driven transmission shaft 422 is vertically installed in the shield 3 and is rotatably connected with the shield 3, the second driven gear 421 is sleeved on the upper end of the second driven transmission shaft 422 and is in meshed connection with the main transmission gear 23, and the second driven transmission shaft 422 passes through the shield 3 downwards and is fixedly connected with the second drill chuck 423.
Preferably, the intersection of the first driven transmission shaft 412 and the second driven transmission shaft 422 with the shield 3 is sealed by a sealing ring, and the working ends of the first drill chuck 413 and the second drill chuck 423 are all in the same horizontal plane, so that the two drill chucks are synchronous when contacting with a workpiece, and the machining sizes are consistent.
The utility model discloses a theory of operation: the drill bushing 1 rotates along with a main shaft of the drilling machine, the transmission mechanism 2 rotates along with the rotation of the drill bushing 1, the first drill bit assembly 41 and the second drill bit assembly 42 are driven to rotate along with the rotation of the main transmission gear 23, and the drill bits arranged on the first drill bit assembly 41 and the second drill bit assembly 42 synchronously complete the machining of two holes in a workpiece.
It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A coaxial double-drill-bit device is arranged on a drilling machine and is characterized by comprising a drill bushing, a transmission mechanism, a protective cover and a drill bit mechanism, wherein the upper part of the drill bushing is arranged on a main shaft of the drilling machine, the upper end of the transmission mechanism is arranged at the lower end in the drill bushing, the lower end of the transmission mechanism extends into a cavity of the protective cover, the protective cover is fixed at the lower end of the drill bushing, the drill bit mechanism is arranged in the protective cover, the drill bit mechanism is meshed with the lower end of the transmission mechanism, and the working end of the drill bit mechanism downwards penetrates through the protective cover; the drill bush rotates along with a main shaft of the drilling machine, the transmission mechanism rotates along with the rotation of the drill bush, the transmission mechanism drives the drill bit mechanism to rotate, and the working end of the drill bit mechanism is used for installing a drill bit.
2. The coaxial double-drill-bit device as claimed in claim 1, wherein the transmission mechanism comprises a variable diameter sleeve assembly, a main transmission shaft and a main transmission gear, the variable diameter sleeve assembly is mounted at the lower end of the interior of the drill sleeve, the main transmission shaft is mounted in the variable diameter sleeve assembly, and the main transmission gear is sleeved at the lower end of the main transmission gear.
3. The coaxial dual-bit device according to claim 2, wherein the bit mechanism comprises a first bit assembly and a second bit assembly, the first bit assembly and the second bit assembly are symmetrically arranged on two sides of the main transmission gear and are meshed with the main transmission gear, and the working ends of the first bit assembly and the second bit assembly penetrate through the shield downwards.
4. The coaxial dual-drill-head device according to claim 3, wherein the first drill-head assembly comprises a first driven gear, a first driven transmission shaft and a first drill chuck, the first driven transmission shaft is vertically installed in the protective cover and is rotatably connected with the protective cover, the first driven gear is sleeved on the upper end of the first driven transmission shaft and is in meshed connection with the main transmission gear, and the first driven transmission shaft passes through the protective cover downwards and is fixedly connected with the first drill chuck.
5. The coaxial dual-drill-head device according to claim 4, wherein the second drill-head assembly comprises a second driven gear, a second driven transmission shaft and a second drill chuck, the second driven transmission shaft is vertically installed in the protective cover and is rotatably connected with the protective cover, the second driven gear is sleeved on the upper end of the second driven transmission shaft and is in meshed connection with the main transmission gear, and the second driven transmission shaft passes through the protective cover downwards and is fixedly connected with the second drill chuck.
6. The coaxial dual-drill-bit device according to claim 5, wherein the intersections of the first and second slave drive shafts and the shield are sealed by sealing rings, and the working ends of the first and second drill-bit holders are at the same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920567269.6U CN209754059U (en) | 2019-04-24 | 2019-04-24 | Coaxial double-drill-bit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920567269.6U CN209754059U (en) | 2019-04-24 | 2019-04-24 | Coaxial double-drill-bit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209754059U true CN209754059U (en) | 2019-12-10 |
Family
ID=68760416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920567269.6U Expired - Fee Related CN209754059U (en) | 2019-04-24 | 2019-04-24 | Coaxial double-drill-bit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209754059U (en) |
-
2019
- 2019-04-24 CN CN201920567269.6U patent/CN209754059U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20200424 |