CN214393502U - Multi-size high-precision hole machining mechanism - Google Patents
Multi-size high-precision hole machining mechanism Download PDFInfo
- Publication number
- CN214393502U CN214393502U CN202120201651.2U CN202120201651U CN214393502U CN 214393502 U CN214393502 U CN 214393502U CN 202120201651 U CN202120201651 U CN 202120201651U CN 214393502 U CN214393502 U CN 214393502U
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- cutter
- mounting shaft
- bearing
- power transmission
- cover plate
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- 238000003754 machining Methods 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 67
- 238000009434 installation Methods 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The utility model discloses a many sizes high accuracy spot facing work mechanism, including transmission box and arrange power transmission shaft, first cutter installation axle and the second cutter installation axle in the transmission box side by side, through the train transmission between power transmission shaft, first cutter installation axle and the second cutter installation axle, at least one set of processing cutter group is all installed to the front end of first cutter installation axle and second cutter installation axle, processing cutter group includes rough machining cutter, semi-finishing cutter and finishing cutter. Adopt the processing agency of this application, can carry out synchronous processing to a plurality of holes, be favorable to improving machining efficiency.
Description
Technical Field
The utility model relates to a part spot facing work technical field, concretely relates to many sizes high accuracy spot facing work mechanism.
Background
In the process of machining parts such as a rear axle shell and the like, machining of a plurality of holes with different sizes is often involved, the surface precision requirements of the holes are high, a horizontal numerical control milling machine is generally adopted to sequentially machine at present, but each hole is subjected to three procedures of rough machining, semi-finish machining and finish machining, so that the machining time is long, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a multi-size high-precision hole machining mechanism to improve the efficiency of machining a plurality of holes.
The utility model discloses an above-mentioned problem is solved to following technical means:
the utility model provides a many sizes high accuracy spot facing work mechanism, includes the transmission case and arranges power transmission shaft, first cutter installation axle and the second cutter installation axle in the transmission case side by side, through the train transmission between power transmission shaft, first cutter installation axle and the second cutter installation axle, at least one set of processing cutter group is all installed to the front end of first cutter installation axle and second cutter installation axle, processing cutter group is including rough machining cutter, semi-finishing cutter and finishing cutter.
Further, the wheel train comprises a power transmission shaft gear, a first cutter mounting shaft gear and a second cutter mounting shaft gear which are respectively mounted on the power transmission shaft, the first cutter mounting shaft gear and the second cutter mounting shaft, the power transmission shaft gear realizes circumferential positioning through keys and the power transmission shaft, axial positioning is realized at the front end and the rear end through shaft shoulders respectively, the first cutter mounting shaft gear realizes circumferential positioning through keys and the first cutter mounting shaft, axial positioning is realized at the front end and the rear end through shaft shoulders and snap springs respectively, circumferential positioning is realized by keys and the second cutter mounting shaft gear, and axial positioning is realized at the front end and the rear end through shaft shoulders and snap springs respectively; and two sides of the power transmission shaft gear are respectively in meshed transmission with the first cutter mounting shaft gear and the second cutter mounting shaft gear.
Further, the transmission case body is formed by splicing an upper case body cover plate, a lower case body cover plate, a front case body plate, a rear case body plate and two case body side plates, and particularly, the rear case body plate, the front case body plate and the two case body side plates are positioned by pins and fastened by screws. The upper cover plate and the lower cover plate of the box body are connected with the rear plate and the front plate of the box body by screws.
Further, the rear side of the box body rear plate is connected with a rear cover plate through a bolt, the front side and the rear side of the box body front plate are respectively connected with a front cover plate and a middle cover plate through bolts, the front end and the rear end of the power transmission shaft are respectively rotatably assembled with the box body front plate and the box body rear plate through power transmission shaft supporting bearings, the front side and the rear side of the power transmission shaft supporting bearings at the front end are respectively compressed through a limiting ring and the middle cover plate to realize axial positioning, and the front side of the limiting ring is compressed through the front cover plate; the power transmission shaft at the rear end supports the front side of the bearing to be positioned through a shaft shoulder, the rear side of the bearing is compressed and positioned through a bearing limiting sleeve, the rear side of the bearing limiting sleeve is compressed through a rear cover plate, and a power transmission shaft dustproof sealing ring is arranged between the bearing limiting sleeve and the power transmission shaft.
Furthermore, the rear end of the first tool mounting shaft is assembled with the box body rear plate through a supporting bearing at the rear end of the first tool mounting shaft and a bearing sleeve which are matched with each other, the rear sides of the inner ring and the outer ring of the supporting bearing at the rear end of the first tool mounting shaft are respectively locked through a bearing locking nut and pressed through a bearing pressing sleeve, and the bearing pressing sleeve is pressed through a pressing screw which is in threaded connection with the rear cover plate; the middle part of the first tool mounting shaft is rotatably assembled with the box front plate through a first tool mounting shaft middle supporting bearing, the rear side of the first tool mounting shaft middle supporting bearing is compressed through a middle cover plate, the front side of the first tool mounting shaft middle supporting bearing outer ring is provided with an elastic check ring, the front side of the elastic check ring is compressed through a front cover plate, the front side of the first tool mounting shaft middle supporting bearing inner ring is provided with a limiting seal sleeve, the front side of the limiting seal sleeve is locked through a locking nut, a rotary shaft lip-shaped seal ring is arranged between the limiting seal sleeve and the front cover plate, and an O-shaped seal ring is arranged between the limiting seal sleeve and the first tool mounting shaft.
Furthermore, the rear end of the second cutter mounting shaft is assembled with the box body rear plate through a supporting bearing and a bearing sleeve which are matched with the rear end of the second cutter mounting shaft, the rear sides of the inner ring and the outer ring of the supporting bearing at the rear end of the second cutter mounting shaft are respectively locked through a bearing locking nut and pressed through a bearing pressing sleeve, and the bearing pressing sleeve is pressed through a pressing screw in threaded connection with the rear cover plate; the middle part of the second cutter installation shaft is rotatably assembled with the box front plate through a second cutter installation shaft middle supporting bearing, the rear side of the second cutter installation shaft middle supporting bearing is compressed through a middle cover plate, the front side of a second cutter installation shaft middle supporting bearing outer ring is provided with an elastic check ring, the front side of the elastic check ring is compressed through a front cover plate, the front side of a second cutter installation shaft middle supporting bearing inner ring is provided with a limiting seal sleeve, the front side of the limiting seal sleeve is locked through a locking nut, a rotary shaft lip-shaped seal ring is arranged between the limiting seal sleeve and the front cover plate, and an O-shaped seal ring is arranged between the limiting seal sleeve and the second cutter installation shaft.
Furthermore, the front side of the front cover plate is connected with a compression sleeve through a bolt, and a dustproof sealing ring for a cutter mounting shaft is arranged between the compression sleeve and the limiting sealing sleeve.
The utility model has the advantages that:
the utility model discloses a many sizes high accuracy spot facing work mechanism, including transmission case and arrange power transmission shaft, first cutter installation axle and the second cutter installation axle in the transmission case side by side, through the train transmission between power transmission shaft, first cutter installation axle and the second cutter installation axle, at least one set of processing cutter group is all installed to the front end of first cutter installation axle and second cutter installation axle, processing cutter group includes rough machining cutter, semi-finishing cutter and finishing cutter. Adopt the processing agency of this application, can carry out synchronous processing to a plurality of holes, be favorable to improving machining efficiency.
Drawings
The invention is further described with reference to the following figures and examples.
FIG. 1 is a top cross-sectional view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of FIG. 1 taken from D-D;
fig. 3 is a diagram of parts to be machined according to the preferred embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, a multi-size high-precision hole machining mechanism comprises a transmission case, and a power transmission shaft 29, a first tool mounting shaft 10 and a second tool mounting shaft 28 which are arranged in the transmission case in parallel, wherein the power transmission shaft 29, the first tool mounting shaft 10 and the second tool mounting shaft 28 are in transmission through a wheel train, at least one set of machining tool set is mounted at the front end of each of the first tool mounting shaft and the second tool mounting shaft, and each machining tool set comprises a rough machining tool, a semi-finishing tool and a finishing tool.
The transmission case body is formed by splicing an upper case body cover plate 42, a lower case body cover plate 43, a front case body plate 13, a rear case body plate 5 and two case body side plates 11, and particularly, the rear case body plate 5, the front case body plate 13 and the two case body side plates 11 are positioned by pins and fastened by screws. The box upper cover plate and the box lower cover plate are connected with the box back plate 5 and the box front plate 13 through screws.
The gear train comprises a power transmission shaft gear 26, a first cutter mounting shaft gear 9 and a second cutter mounting shaft gear 27 which are respectively arranged on a power transmission shaft 29, a first cutter mounting shaft 10 and a second cutter mounting shaft 28, the power transmission shaft gear realizes circumferential positioning through keys and the power transmission shaft and realizes axial positioning through shaft shoulders at the front end and the rear end respectively, the first cutter mounting shaft gear 9 realizes circumferential positioning through keys and the first cutter mounting shaft and realizes axial positioning through shaft shoulders and a clamp spring 8 at the front end and the rear end respectively, the second cutter mounting shaft gear realizes circumferential positioning through keys and the second cutter mounting shaft and realizes axial positioning through shaft shoulders and a clamp spring 8 at the front end and the rear end respectively; two sides of the power transmission shaft gear 26 are respectively meshed with the first cutter mounting shaft gear 9 and the second cutter mounting shaft gear 27 for transmission.
The rear side of the box body rear plate 5 is connected with a rear cover plate 2 through bolts, the front side and the rear side of the box body front plate 13 are respectively connected with a front cover plate 16 and a middle cover plate 12 through bolts, the front end and the rear end of the power transmission shaft are respectively rotatably assembled with the box body front plate 13 and the box body rear plate 5 through power transmission shaft supporting bearings 30, the front side and the rear side of the power transmission shaft supporting bearings at the front end are respectively compressed through a limiting ring 31 and the middle cover plate 12 to realize axial positioning, and the front side of the limiting ring 31 is compressed through the front cover plate 16; the front side of the power transmission shaft supporting bearing at the rear end is positioned through a shaft shoulder, the rear side is compressed and positioned through a bearing limiting sleeve 24, the rear side of the bearing limiting sleeve 24 is compressed through a rear cover plate 2, and a power transmission shaft dustproof sealing ring 23 is arranged between the bearing limiting sleeve and the power transmission shaft.
The rear end of the first tool mounting shaft is assembled with a box body rear plate 5 through a supporting bearing 6 and a bearing sleeve at the rear end of the first tool mounting shaft, the rear sides of the inner ring and the outer ring of the supporting bearing 6 at the rear end of the first tool mounting shaft are respectively locked through a bearing locking nut 4 and pressed through a bearing pressing sleeve 3, and the bearing pressing sleeve 3 is pressed through a pressing screw 1 in threaded connection with a rear cover plate 2; the middle part of the first tool mounting shaft is rotatably assembled with a box body front plate 13 through a first tool mounting shaft middle supporting bearing 14, the rear side of the first tool mounting shaft middle supporting bearing 14 is pressed through a middle cover plate 12, an elastic check ring 15 is arranged on the front side of a first tool mounting shaft middle supporting bearing outer ring, the front side of the elastic check ring 15 is pressed through a front cover plate 16, a limiting sealing sleeve 21 is arranged on the front side of a first tool mounting shaft middle supporting bearing inner ring, the front side of the limiting sealing sleeve 21 is locked through a locking nut 22, a rotary shaft lip-shaped sealing ring 17 is arranged between the limiting sealing sleeve and the front cover plate 16, and an O-shaped sealing ring 20 is arranged between the limiting sealing sleeve and the first tool mounting shaft.
The rear end of the second cutter mounting shaft 28 is assembled with the box body rear plate 5 through a supporting bearing 25 and a bearing sleeve at the rear end of the second cutter mounting shaft which are matched, the rear sides of the inner ring and the outer ring of the supporting bearing 25 at the rear end of the second cutter mounting shaft are respectively locked through a bearing locking nut 4 and pressed through a bearing pressing sleeve 3, and the bearing pressing sleeve 3 is pressed through a pressing screw 1 which is in threaded connection with the rear cover plate 2; the middle part of the second cutter installation shaft is rotatably assembled with the box front plate 13 through a second cutter installation shaft middle supporting bearing 32, the rear side of the second cutter installation shaft middle supporting bearing 32 is compressed through the middle cover plate 12, the front side of the outer ring of the second cutter installation shaft middle supporting bearing 32 is provided with an elastic check ring 15, the front side of the elastic check ring 15 is compressed through the front cover plate 16, the front side of the inner ring of the second cutter installation shaft middle supporting bearing is provided with a limiting seal sleeve, the front side of the limiting seal sleeve is locked through a locking nut, a rotary shaft lip-shaped seal ring is arranged between the limiting seal sleeve and the front cover plate 16, and an O-shaped seal ring is arranged between the limiting seal sleeve and the second cutter installation shaft.
The front side of the front cover plate 16 is connected with a compression sleeve 18 through a bolt, and a dustproof sealing ring 19 for a cutter mounting shaft is arranged between the compression sleeve and the limiting sealing sleeve.
In this embodiment, the power transmission shaft support bearing 30 is a deep groove ball bearing; the rear end supporting bearing 6 of the first cutter mounting shaft and the rear end supporting bearing 25 of the second cutter mounting shaft are single-row tapered roller bearings; the first tool mounting shaft middle support bearing 14 and the second tool mounting shaft middle support bearing 32 are both cylindrical roller bearings.
The operation of the processing mechanism is described below with a specific processing example:
the part to be machined is shown in fig. 3, and needs to be machined into a hole a with phi 82, a hole B with phi 72 and a hole C with phi 72, wherein the hole a and the hole B are coaxial and are machined by two sets of machining cutter sets mounted on the first cutter mounting shaft, and the hole C is machined by one set of machining cutter sets mounted on the second cutter mounting shaft. The specific operation process is as follows:
1) a belt pulley is arranged at the tail part of the power transmission shaft 29 and is connected with a motor to work to enable the power transmission shaft 29 to rotate;
2) and adjusting the rotating speed of the motor to enable the linear speed of the tool nose of the tool to reach a proper range.
3) Three cutters, namely a hole A rough machining cutter 35, a hole B rough machining cutter 38 and a hole C rough machining cutter 41 are installed, and the positions of the cutters are adjusted to enable the sizes of the machined holes to be phi 81.2, phi 71.2 and phi 71.2 respectively.
4) Three cutters, namely a hole A semi-finishing cutter 34, a hole B semi-finishing cutter 37 and a hole C semi-finishing cutter 40 are installed, and the positions of the cutters are adjusted to enable the sizes of the machined holes to be phi 81.7, phi 71.7 and phi 71.7 respectively.
5) Finish machining of mounting hole AThree cutters, namely a cutter 33, a hole B finishing cutter 36 and a hole C finishing cutter 39, are adjusted, and the positions of the cutters are adjusted to ensure that the sizes of the processed holes are phi 82+0.025、φ72+0.030、φ72+0.025. Thus, the machining of the holes a, B, and C is completed.
In conclusion, the processing mechanism of the embodiment can process a plurality of holes synchronously, and is beneficial to improving the processing efficiency.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a many sizes high accuracy spot facing work mechanism which characterized in that: including the transmission case and arrange power transmission shaft, first cutter installation axle (10) and second cutter installation axle (28) in the transmission case side by side, through the train transmission between power transmission shaft (29), first cutter installation axle (10) and second cutter installation axle (28), at least one set of processing cutter group is all installed to the front end of first cutter installation axle (10) and second cutter installation axle, processing cutter group includes rough machining cutter, semi-finishing cutter and finish machining cutter.
2. The multi-size high-precision hole machining mechanism according to claim 1, characterized in that: the gear train comprises a power transmission shaft gear (26), a first cutter mounting shaft gear (9) and a second cutter mounting shaft gear (27) which are respectively arranged on a power transmission shaft (29), a first cutter mounting shaft (10) and a second cutter mounting shaft (28), the power transmission shaft gear is circumferentially positioned with the power transmission shaft through a key, axial positioning is realized at the front end and the rear end through a shaft shoulder, the first cutter mounting shaft gear (9) is circumferentially positioned with the first cutter mounting shaft (10) through a key, axial positioning is realized at the front end and the rear end through the shaft shoulder and a clamping spring (8), the second cutter mounting shaft gear is circumferentially positioned with the second cutter mounting shaft through a key, and axial positioning is realized at the front end and the rear end through the shaft shoulder and the clamping spring (8); and two sides of the power transmission shaft gear are respectively in meshed transmission with the first cutter mounting shaft gear (9) and the second cutter mounting shaft gear.
3. The multi-size high-precision hole machining mechanism according to claim 2, characterized in that: the transmission box body is formed by splicing an upper box body cover plate (42), a lower box body cover plate (43), a front box body plate (13), a rear box body plate (5) and two side box body plates (11).
4. The multi-size high-precision hole machining mechanism according to claim 3, characterized in that: the rear side of the box body rear plate (5) is connected with a rear cover plate (2) through bolts, the front side and the rear side of the box body front plate (13) are respectively connected with a front cover plate (16) and a middle cover plate (12) through bolts, the front end and the rear end of the power transmission shaft are respectively rotatably assembled with the box body front plate (13) and the box body rear plate (5) through power transmission shaft supporting bearings (30), the front side and the rear side of the power transmission shaft supporting bearings at the front end are respectively compressed through a limiting ring (31) and the middle cover plate (12) to realize axial positioning, and the front side of the limiting ring (31) is compressed through the front cover plate (16); the front side of the power transmission shaft supporting bearing at the rear end is positioned through a shaft shoulder, the rear side is compressed and positioned through a bearing limiting sleeve (24), the rear side of the bearing limiting sleeve is compressed through a rear cover plate (2), and a power transmission shaft dustproof sealing ring (23) is arranged between the bearing limiting sleeve and the power transmission shaft.
5. The multi-size high-precision hole machining mechanism according to claim 4, characterized in that: the rear end of the first tool mounting shaft (10) is assembled with a box body rear plate (5) through a supporting bearing (6) and a bearing sleeve (7) at the rear end of the first tool mounting shaft, the rear sides of the inner ring and the outer ring of the supporting bearing (6) at the rear end of the first tool mounting shaft are respectively locked through a bearing locking nut (4) and pressed through a bearing pressing sleeve (3), and the bearing pressing sleeve (3) is pressed through a pressing screw (1) in threaded connection with a rear cover plate (2); the middle of a first tool mounting shaft (10) is rotatably assembled with a box body front plate (13) through a first tool mounting shaft middle supporting bearing (14), the rear side of the first tool mounting shaft middle supporting bearing (14) is compressed through a middle cover plate (12), the front side of the outer ring of the first tool mounting shaft middle supporting bearing (14) is provided with an elastic check ring (15), the front side of the elastic check ring (15) is compressed through a front cover plate (16), the front side of the inner ring of the first tool mounting shaft (10) middle supporting bearing is provided with a limiting sealing sleeve (21), the front side of the limiting sealing sleeve is locked through a locking nut (22), a rotary shaft lip-shaped sealing ring (17) is arranged between the limiting sealing sleeve and the front cover plate, and an O-shaped sealing ring (20) is arranged between the limiting sealing sleeve and the first tool mounting shaft (10).
6. The multi-size high-precision hole machining mechanism according to claim 5, characterized in that: the rear end of the second cutter mounting shaft is assembled with a box body rear plate (5) through a supporting bearing (25) and a bearing sleeve (7) at the rear end of the second cutter mounting shaft, the rear sides of the inner ring and the outer ring of the supporting bearing (25) at the rear end of the second cutter mounting shaft are respectively locked through a bearing locking nut (4) and pressed through a bearing pressing sleeve (3), and the bearing pressing sleeve (3) is pressed through a pressing screw (1) in threaded connection with a rear cover plate (2); the middle part of second cutter installation axle is through second cutter installation axle middle part support bearing (32) and box front bezel (13) rotation assembly, the rear side of second cutter installation axle middle part support bearing compresses tightly through well apron (12), and the front side of second cutter installation axle middle part support bearing outer lane is provided with circlip (15), circlip's front side compresses tightly through front bezel (16), and the front side of second cutter installation axle middle part support bearing (32) inner circle is provided with spacing seal cover (21), the front side of spacing seal cover is locked through lock nut (22), is provided with rotation axis lip seal circle between this spacing seal cover and the front bezel, is provided with O shape sealing washer between this spacing seal cover and the second cutter installation axle.
7. The multi-size high-precision hole machining mechanism according to claim 6, characterized in that: the front side of the front cover plate is connected with a compression sleeve (18) through a bolt, and a dustproof sealing ring (19) of a cutter mounting shaft is arranged between the compression sleeve and the limiting sealing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120201651.2U CN214393502U (en) | 2021-01-25 | 2021-01-25 | Multi-size high-precision hole machining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120201651.2U CN214393502U (en) | 2021-01-25 | 2021-01-25 | Multi-size high-precision hole machining mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214393502U true CN214393502U (en) | 2021-10-15 |
Family
ID=78047917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120201651.2U Expired - Fee Related CN214393502U (en) | 2021-01-25 | 2021-01-25 | Multi-size high-precision hole machining mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214393502U (en) |
-
2021
- 2021-01-25 CN CN202120201651.2U patent/CN214393502U/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 |
Granted publication date: 20211015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |