CN211162057U - Eccentric machining mechanism for small inner space of product - Google Patents
Eccentric machining mechanism for small inner space of product Download PDFInfo
- Publication number
- CN211162057U CN211162057U CN201921879876.2U CN201921879876U CN211162057U CN 211162057 U CN211162057 U CN 211162057U CN 201921879876 U CN201921879876 U CN 201921879876U CN 211162057 U CN211162057 U CN 211162057U
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- China
- Prior art keywords
- gear
- drill bit
- inner space
- mounting seat
- small inner
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- Expired - Fee Related
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- 238000003754 machining Methods 0.000 title claims description 10
- 238000003801 milling Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000005553 drilling Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model discloses an eccentric processing mechanism for small inner space of a product, which comprises a milling machine main body, a drill bit fixing seat arranged below the milling machine main body, a drill bit arranged on the side surface of the drill bit fixing seat, a gear mounting seat, a driven gear arranged on one side of the gear mounting seat and rotationally connected with the gear mounting seat, and a positioning screw fixedly connected with the axle center of the driven gear, wherein a driving gear is arranged below the drill bit fixing seat, a gear transmission device is arranged between the driving gear and the driven gear, a fixedly connected supporting column is arranged on one side of the gear mounting seat away from the positioning screw, the driving gear is in transmission connection with the driven gear through the gear transmission device, when the driving gear rotates a certain angle, a processing included angle of 90 degrees is kept between the drill bit and a processed piece, and the eccentric processing mechanism can be applied, the drilling efficiency is high, and the quality of hole site processing is stable and reliable.
Description
Technical Field
The utility model relates to a drilling processing field especially relates to an eccentric processing mechanism that is used for product inner space to be little.
Background
Ordinary drilling and milling machine can only process the position of drill bit below, the inside design of many product structures of production has the hole site on the horizontal direction now, ordinary drilling machine is unable this inside hole site of processing, the machined part often need rotate 90 degrees and re-clamp this moment, drill hole to this part again, however, the part overall dimension who has the part often is great, even 90 degrees re-clamps overturn, epaxial drill bit of main shaft leads to processing because too short and has not set up the hole site in machined part middle part position, even increase the tool bit of CNC90 degree on the milling machine main shaft, also sometimes because the product inner space is little and unable drilling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned defect among the prior art, provide an eccentric processing mechanism that can drill on the horizontal direction that is used for the product inner space little.
In order to achieve the above object, the utility model provides an eccentric processing mechanism for product inner space is little, including the milling machine main part, install the drill bit fixing base in milling machine main part below, install the drill bit in drill bit fixing base side, still include the gear mount pad, install and rotate the driven gear who is connected with the gear mount pad in gear mount pad one side, with driven gear's axle center fixed connection's positioning screw, the driving gear has been installed to the below of drill bit fixing base, gear drive has been installed between driving gear and the driven gear, the gear mount pad is kept away from one side of positioning screw and is installed fixed connection's support column.
Preferably, the gear transmission device is a plurality of gears which are arranged on the gear mounting seat and are connected in a rotating mode.
Preferably, the gear transmission device comprises a first gear, a second gear, a third gear and a fourth gear, wherein the first gear, the second gear and the third gear are arranged on the gear mounting seat and are respectively connected with the gear mounting seat in a rotating mode, the third gear is meshed with the first gear, the third gear is meshed with the second gear, the fourth gear is meshed with the third gear, the first gear is meshed with the driving gear, and the fourth gear is meshed with the driven gear.
Preferably, the gear mounting seat is provided with a gear accommodating groove, and the driving gear, the first gear, the second gear, the third gear, the fourth gear and the driven gear are all arranged in the gear accommodating groove.
Preferably, the gear mounting seat is provided with a drill fixing seat avoiding groove.
Preferably, the gear cover plate is arranged on the gear mounting seat.
Preferably, be provided with the extension spring fixed column on the milling machine main part, install the extension spring between extension spring fixed column and drill bit.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model is provided with a milling machine main body, a drill bit fixing seat arranged below the milling machine main body, a drill bit arranged on the side surface of the drill bit fixing seat, a gear mounting seat, a driven gear arranged on one side of the gear mounting seat and rotationally connected with the gear mounting seat, a positioning screw rod fixedly connected with the axis of the driven gear, a driving gear is arranged below the drill bit fixing seat, a gear transmission device is arranged between the driving gear and the driven gear, a support pillar which is fixedly connected is arranged on one side of the gear mounting seat far away from the positioning screw rod, the driving gear is in transmission connection with the driven gear through the gear transmission device, when the driving gear rotates by a certain angle, a machining included angle of 90 degrees is kept between the drill bit and a machined workpiece, the drilling machine can be applied to drilling operation with small inner space of a product, the drilling efficiency is high, and the quality of hole site machining is stable and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an eccentric processing mechanism with a small internal space for a product provided by the present invention;
fig. 2 is an exploded view of an eccentric processing mechanism with a small internal space for a product according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 efforts belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the utility model provides an eccentric processing mechanism for product inner space is little, including milling machine main part 1, install drill bit fixing base 2 in milling machine main part 1 below, install drill bit 9 in drill bit fixing base 2 side, still include gear mount 3, install driven gear 4 who rotates with gear mount 3 and be connected in gear mount 3 one side, with driven gear 4's axle center fixed connection's positioning screw 5, positioning screw 5's side is provided with the external screw thread, fixes positioning screw 5 through external screw thread screw in to the frame, driving gear 6 has been installed to drill bit fixing base 2's below, gear drive 7 has been installed between driving gear 6 and the driven gear 4, gear drive 7 installs on gear mount 3, gear drive 7 is including installing on gear mount 3 respectively with gear mount 3 rotation connection's first gear 71, Second gear 72, third gear 73 and the fourth gear 74 of meshing mutually with third gear 73 with second gear 72 that first gear 71 meshes mutually, first gear 71 meshes mutually with driving gear 6, fourth gear 74 meshes mutually with driven gear 4, it has gear holding tank 31 to open on the gear mount pad 3, driving gear 6, first gear 71, second gear 72, third gear 73, fourth gear 74 and driven gear 4 all install the inside at gear holding tank 31, the support column 8 of fixed connection is installed to the one side that gear mount pad 3 keeps away from positioning screw 5, it has drill bit fixing base to dodge groove 32 to open on the gear mount pad 3, because the structure of drill bit fixing base 2 is great, when driving gear 6 and first gear 71 mesh, drill bit fixing base dodge groove 32 can avoid the phenomenon of interfering between gear mount pad 3 and drill bit fixing base 2, the gear cover plate 10 is arranged on the gear mounting seat 3, the gear cover plate 10 is used for preventing dust and fine debris in the outside air from entering the gear accommodating groove 31, the problems that the driving gear 6, the first gear 71, the second gear 72, the third gear 73, the fourth gear 74 and the driven gear 4 are blocked or the service life of the gears is influenced in the process of meshing transmission are avoided, the milling machine main body 1 is provided with a tension spring fixing column 11, a tension spring 12 arranged between the tension spring fixing column 11 and the drill bit 9, the hook at one end of the tension spring 12 is hung and buckled on the tension spring fixing column 11, the hook at the other end is hung and buckled on the drill bit 9, when a longer drill bit is selected, the tension of the tension spring can ensure that one end of the drill bit 9, which is far away from the milling machine main body 1, cannot deform excessively in the drilling process, so that the drilling verticality is improved, and the good quality of a machined part is ensured.
During operation, the driving gear 6 is in transmission connection with the driven gear 4 through the gear transmission device 7, when the driving gear 6 rotates for a certain angle, the gear mounting base 3 rotates around the positioning screw 5, and at the moment, because the modules and the tooth numbers of the driving gear 6, the first gear 71, the second gear 72, the third gear 73 and the driven gear 4 are the same, a machining included angle of 90 degrees can be kept between the direction of the drill bit 3 and a workpiece to be machined.
To sum up, the utility model discloses simple structure can use the drilling operation that the product inner space is little, and drilling efficiency is high, and the quality of hole site processing is reliable and stable.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (7)
1. The utility model provides an eccentric processing mechanism for product inner space is little, includes milling machine main part (1), installs drill bit fixing base (2) in milling machine main part (1) below, installs drill bit (9) in drill bit fixing base (2) side, its characterized in that still includes gear mount pad (3), installs driven gear (4) of being connected with gear mount pad (3) rotation in gear mount pad (3) one side, with axle center fixed connection's of driven gear (4) positioning screw (5), driving gear (6) have been installed to the below of drill bit fixing base (2), gear drive (7) have been installed between driving gear (6) and driven gear (4), fixed connection's support column (8) have been installed to one side that positioning screw (5) were kept away from in gear mount pad (3).
2. The eccentric machining mechanism with small inner space of the product according to claim 1, characterized in that the gear transmission device (7) is a plurality of gears which are arranged on the gear mounting seat (3) and are connected with each other in a rotating way.
3. The eccentric machining mechanism for small inner space of products according to claim 2, wherein the gear transmission device (7) comprises a first gear (71) mounted on the gear mounting base (3) and rotatably connected with the gear mounting base (3) respectively, a second gear (72) meshed with the first gear (71), a third gear (73) meshed with the second gear (72), and a fourth gear (74) meshed with the third gear (73), wherein the first gear (71) is meshed with the driving gear (6), and the fourth gear (74) is meshed with the driven gear (4).
4. The eccentric processing mechanism for small inner space of product according to claim 3, wherein the gear mounting seat (3) is provided with a gear accommodating groove (31), and the driving gear (6), the first gear (71), the second gear (72), the third gear (73), the fourth gear (74) and the driven gear (4) are all arranged in the gear accommodating groove (31).
5. The eccentric machining mechanism with small inner space of the product according to claim 3, characterized in that the gear mounting seat (3) is provided with a drill fixing seat avoiding groove (32).
6. An eccentric machining mechanism for small inner space of products according to claim 1, characterized by further comprising a gear cover plate (10) mounted on the gear mounting seat (3).
7. The eccentric machining mechanism for the small inner space of the product as claimed in claim 1, wherein the milling machine body (1) is provided with a tension spring fixing column (11), and a tension spring (12) is arranged between the tension spring fixing column (11) and the drill (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879876.2U CN211162057U (en) | 2019-11-04 | 2019-11-04 | Eccentric machining mechanism for small inner space of product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921879876.2U CN211162057U (en) | 2019-11-04 | 2019-11-04 | Eccentric machining mechanism for small inner space of product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211162057U true CN211162057U (en) | 2020-08-04 |
Family
ID=71824579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921879876.2U Expired - Fee Related CN211162057U (en) | 2019-11-04 | 2019-11-04 | Eccentric machining mechanism for small inner space of product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211162057U (en) |
-
2019
- 2019-11-04 CN CN201921879876.2U patent/CN211162057U/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: 20200804 |