CN216758216U - Adjustable multi-shaft combined drill and double-sided boring machine formed by same - Google Patents
Adjustable multi-shaft combined drill and double-sided boring machine formed by same Download PDFInfo
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- CN216758216U CN216758216U CN202220064552.9U CN202220064552U CN216758216U CN 216758216 U CN216758216 U CN 216758216U CN 202220064552 U CN202220064552 U CN 202220064552U CN 216758216 U CN216758216 U CN 216758216U
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Abstract
The utility model belongs to the technical field of drilling equipment, and particularly relates to an adjustable multi-shaft combined drill and a double-sided boring machine formed by the same. The structure of the drilling machine comprises a frame, a gear set coaxially arranged in the frame and an adjusting disc provided with a plurality of drilling shafts; the gear set comprises a sun gear and a plurality of planet gears positioned around the sun gear, the sun gear is connected with the driving shaft, and each planet gear is provided with a transmission shaft head; the adjusting disk comprises a fixed disk and a movable disk which are overlapped, a plurality of groups of corresponding wire grooves are uniformly distributed along the centers of the disk surfaces of the fixed disk and the movable disk and are mutually crossed, the crossed points of the wire grooves are penetrated and provided with sliding shaft heads, the outer sides of the sliding shaft heads are connected with a drill rod, and the inner sides of the sliding shaft heads are connected with a linkage rod of which the two ends are provided with universal joints through transmission shaft heads. The adjustable multi-shaft combined drill can process a plurality of drill holes at one time and adjust the radial position of the combined drill rod, and after the adjustable multi-shaft combined drill is installed on a double-sided boring machine, the drilling efficiency and the drilling parallelism of the end face of a bearing pedestal can be obviously improved.
Description
Technical Field
The utility model belongs to the technical field of drilling equipment, and particularly relates to an adjustable multi-shaft combined drill and a double-sided boring machine formed by the same.
Background
Both boring and drilling machines are hole-making machines, the main difference being the tools used. The boring machine uses a boring cutter to process holes, and the drilling machine uses a drill bit to drill holes. The drilling machine is usually used for processing holes with smaller size and lower precision requirement, when the drilling machine is used for drilling holes, a workpiece is generally fixed, a cutter does main rotation movement, and simultaneously does feed movement along the axial direction. The boring machine is generally used for processing holes with larger size and higher precision requirements, particularly holes which are distributed on different surfaces and have higher requirements on hole distance and position precision, such as holes on various box bodies, automobile engine cylinder bodies and other parts.
For example, the end covers of the bearing seat are generally installed at two ends of the seat body through bolts, the end covers are of an annular structure and are connected with the edge of the bearing cavity, therefore, a plurality of assembling holes need to be drilled on two end faces of the seat body, a drill rod is generally arranged on a main rotating shaft of an existing boring machine and a drilling machine, only one drilling hole can be machined once, when a plurality of holes are machined in the end face of the bearing seat, the station needs to be continuously adjusted, the drilling efficiency is low, positioning deviation is easy to occur, the parallelism of the plurality of holes is out of tolerance, the end covers are not tightly connected with the seat body, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel adjustable multi-shaft combined drill which can process a plurality of drill holes at one time and can adjust the radial position of a combined drill rod, and the novel adjustable multi-shaft combined drill is arranged on a double-faced boring machine, so that the drilling efficiency and the drilling parallelism of the end surface of a bearing seat are improved.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a multiaxis combination bores with adjustable which characterized in that: comprises a frame, a gear set coaxially arranged in the frame and an adjusting disc provided with a plurality of drill shafts; wherein the gear set comprises a sun gear and a plurality of planet gears located therearound, the sun gear being connected to a drive shaft, each planet gear having a drive stub shaft; the adjusting disk includes overlapping fixed plate and driving disk, along the corresponding wire casing of a plurality of groups of central evenly distributed of the two quotation and intercrossing, the intersect of wire casing runs through and sets up the slip spindle nose, the drilling rod is connected in the outside of slip spindle nose, its inboard with the transmission spindle nose passes through the gangbar connection that both ends set up the universal joint.
The additional technical features of the adjustable multi-spindle combination drill further include:
the driving mechanism of the movable disc comprises a worm arranged on the fixed disc, and the worm is matched with the worm gear arranged on the edge of the movable disc;
the fixed disc is provided with a fixed shaft head, the fixed disc is provided with a fixed disc, the fixed disc is provided with a fixed disc, the fixed disc, and the fixed disc head, the shaft head, and the shaft head of the shaft head is provided with an annular groove, and an annular groove for clamping the inner side of the fixed disc, the shaft head, the shaft body of the shaft head, and the shaft body of the shaft head, the shaft head of the shaft head, the shaft body of the shaft head of the shaft body of the shaft head of the shaft body of the shaft, and the shaft body of the shaft head, and the shaft body of the shaft, and the inner side of the fixed disc is an annular groove is provided with an annular groove for clamping the groove is an annular groove for clamping the inner side groove.
This patent still provides a two-sided boring machine for bearing frame end face drilling, its characterized in that: the adjustable multi-shaft combined drill is arranged on symmetrical sliding tables of a horizontal boring machine, a driving shaft of the gear set is connected with a spindle box of the boring machine, and a workbench for fixing a bearing seat is arranged between the symmetrical sliding tables.
The additional technical characteristics also comprise:
the front end of the rack of the adjustable multi-shaft combined drill is provided with a positioning frame, a flange plate is arranged on the positioning frame, and the surface of the flange plate is provided with a plurality of guide holes for the drill rods to extend out;
the positioning frame comprises a central disc and wing plates arranged on two sides of the central disc, through grooves are formed in the wing plates, and two sides of each flange plate are fixed in the corresponding through groove through bolts;
the central disc is connected with an adjusting disc of the adjustable multi-shaft combined drill through a shaft center rod, the shaft center rod penetrates through the central disc or the adjusting disc, and a spring is sleeved on a rod body of the shaft center rod.
Compared with the prior art, the adjustable multi-shaft combined drill and the double-sided boring machine formed by the same have the following advantages: because the rack of the novel combined drill is internally provided with the coaxial gear set and the multi-drill-spindle adjusting disc, wherein the gear set comprises a central gear and a plurality of planetary gears positioned around the central gear, the central gear is connected with the driving shaft, and each planetary gear is provided with a transmission spindle head, the effect that one driving spindle drives a plurality of driven spindles is realized, and the condition is provided for drilling multiple holes by one-time feeding; secondly, the adjusting disc comprises a fixed disc and a movable disc which are overlapped, a plurality of groups of corresponding wire grooves are uniformly distributed along the centers of the disc surfaces of the fixed disc and the movable disc and are intersected with each other, a sliding shaft head penetrates through the intersection point of the wire grooves, the outer side of the sliding shaft head is connected with a drill rod, the inner side of the sliding shaft head is connected with a transmission shaft head through a linkage rod with universal joints arranged at two ends, the linkage rod transmits rotating torque to the drill rod, and after the movable disc rotates, the wire grooves which are overlapped and intersected on the disc surfaces of the movable disc and the fixed disc are enabled to move relatively, namely the radial direction of the intersection point (the distance between the intersection point and the center of the disc surface) is changed, so that the position of the sliding shaft head is adjusted, the area covered by the combined drill is changed, and the combined drill is suitable for drilling surfaces with different diameters; thirdly, the adjustable multi-shaft combined drill is arranged on symmetrical sliding tables of a horizontal boring machine, a driving shaft of a gear set is connected with a spindle box of the boring machine, a workbench used for fixing a bearing seat is arranged between the symmetrical sliding tables, the novel double-sided boring machine can simultaneously drill holes on two end faces of the bearing seat, multi-hole forming is realized by one-time feeding, the parallelism of a plurality of holes is kept consistent, positioning of end cover bolts is facilitated, the adjustable multi-shaft combined drill has the advantages of tight and firm connection, the production efficiency is remarkably improved, the labor intensity and the processing cost are greatly reduced, and the adjustable multi-shaft combined drill has good economic benefits and popularization and application values.
Drawings
FIG. 1 is a schematic structural view of an adjustable multi-spindle combination drill and a double-sided boring machine according to the present invention after installation;
fig. 2 is a front view structural diagram of an adjusting disk of the adjustable multi-spindle combination drill.
Detailed Description
The structure and the working principle of the adjustable multi-spindle combined drill and the double-sided boring machine formed by the adjustable multi-spindle combined drill are further described in detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, the present invention provides a structural schematic diagram of an adjustable multi-spindle combination drill. The structure of the adjustable multi-shaft combined drill comprises a frame 1, a gear set 2 coaxially arranged in the frame and an adjusting disc 3 provided with a plurality of drill shafts; wherein the gear set 2 includes a sun gear 21 and a plurality of planetary gears 22 located therearound, the sun gear 21 being connected with the driving shaft 20, each planetary gear 22 having a driving shaft head 41; the adjusting disc 3 comprises a fixed disc 31 and a movable disc 32 which are overlapped, a plurality of groups of corresponding wire grooves (33, 33 ') are uniformly distributed along the centers of the disc surfaces of the fixed disc and the movable disc and are crossed with each other, the crossed point of the wire grooves (33, 33') is penetrated and provided with a sliding shaft head 42, the outer side of the sliding shaft head 42 is connected with a drill rod 43, and the inner side of the sliding shaft head 42 is connected with a transmission shaft head 41 through a linkage rod 44 with universal joints at two ends.
The working principle is as follows: the rack 1 of the combined drill is assembled with power equipment, a central gear 21 of a gear set 2 of the combined drill is connected with a driving shaft 20, a planetary gear 22 is meshed with the central gear 21 to realize output of a plurality of rotating shafts, an adjusting disc 3 which is coaxial with the gear set 2 is provided with a fixed disc 31 and a movable disc 32 which are overlapped, a plurality of groups of corresponding wire grooves (33, 33 ') are uniformly distributed along the centers of the disc surfaces of the fixed disc and the movable disc and are mutually overlapped and crossed, a cross point of the wire grooves (33, 33 ') is penetrated and provided with a sliding shaft head 42, the outer side of the sliding shaft head 42 is connected with a drill rod 43, the inner side of the sliding shaft head is connected with a transmission shaft head 41 through a linkage rod 44 for transmitting torque, a plurality of drill rods 43 synchronously rotate, furthermore, universal joints are arranged at two ends of the linkage rod 44, after the movable disc 32 rotates, the cross point of the wire grooves (33, 33 ') displaces, the distance between a plurality of drill bits of the combined drill and the center of the disc surfaces synchronously changes, to accommodate machining planes of different sizes.
In the structure constituting the above-described adjustable multi-axis combination drill,
preferably, the driving mechanism of the movable disk 32 comprises a worm 51 arranged on the fixed disk 31, the worm 51 is mounted on the edge of the fixed disk 31 through a bracket, the worm 51 is matched with worm gear teeth 52 arranged on the edge of the movable disk 32, that is, the worm 51 is rotated, so that the worm gear teeth 52 on the edge of the movable disk 32 are rotated, and further the rotation of the movable disk 32 relative to the fixed disk 31 is realized, the end part of the worm 51 can be driven by a motor, and can also be manually adjusted, so that the position of the sliding shaft head 42 in the wire groove of the adjusting disk 3 can be accurately controlled;
as shown in fig. 2, in order to improve the movement smoothness of the sliding shaft head 42, the line groove 33 on the fixed plate 31 is radially linear, and the line groove 33 'on the movable plate 32 is arc-shaped, that is, when the movable plate 32 rotates relative to the fixed plate 31, the laminated intersection of the two line grooves (33, 33') has a large movement distance, and the arc-shaped line groove is not easy to cause clamping stagnation, further, the shaft body of the sliding shaft head 42 is provided with a circumferential groove for clamping the inner side edge of the line groove, so as to prevent the sliding shaft head 42 from dropping off or shifting horizontally, and ensure the drilling accuracy.
In one embodiment, the adjustable multi-spindle combination drill is mounted on symmetrical sliding tables 82 of a horizontal boring machine 81 and used for simultaneously drilling the end faces of bearing seats, a driving shaft 20 of a gear set 2 of the adjustable multi-spindle combination drill is connected with a spindle box 83 of the boring machine 81, and a working table 84 used for fixing the bearing seats is arranged between the symmetrical sliding tables.
On the basis of the existing double-sided boring machine, the boring cutter assembly is replaced by the adjustable multi-shaft combined drill, the bearing seat is positioned on the workbench 84 between the symmetrical sliding tables 82 of the horizontal boring machine 81, the symmetrical sliding tables 82 are driven to move relatively, and the machining of a plurality of drill holes on two end surfaces of the bearing seat can be completed by one-time feeding, so that the production efficiency is greatly improved, and the drilling angles, the drilling depths and the drilling levelness heights are consistent.
Preferably, the front end of the frame 1 of the adjustable multi-shaft combined drill is provided with a positioning frame, a flange 71 is mounted on the positioning frame, the surface of the flange 71 is provided with a plurality of guide holes for the drill rods 43 to extend out, namely, the flange 71 is matched and pressed with the cavity opening of the end surface of the bearing seat, so that the contact is tighter, the drilling and the positioning are convenient, and meanwhile, the plurality of drill rods 43 of the combined drill extend and retract in the guide holes of the flange to further play a role in positioning and prevent the position deviation phenomenon;
furthermore, in order to adapt to the expansion and change of the plurality of drill rods 43 of the combined drill by taking the disc surface as the center, the positioning frame and the flange plate 71 adopt a disassembly and assembly mode, and comprise a central disc 61 and wing plates 62 arranged on two sides of the central disc 61, through grooves are formed in the wing plates 62, two sides of the flange plate 71 are fixed in the through grooves through bolts, namely after the adjusting disc 3 rotates, the positions of the plurality of drill rods 43 of the combined drill are changed, and the flange plate 71 with a proper size is selected to be arranged on the positioning frame through bolts;
preferably, the central disc 71 is connected with the adjusting disc 3 of the adjustable multi-shaft combined drill through a shaft center rod 72, the shaft center rod 72 penetrates through the central disc 61 or the adjusting disc 3, a spring 73 is sleeved on a rod body of the central disc 3, a limit nut is arranged at the end of the shaft center rod 72 and used for preventing the central disc 61 from being separated from the shaft center rod 72, the spring 73 is located between the flange disc 71 and the adjusting disc 3, a pre-tightening effect is achieved on a bearing seat, position change in the drilling process is prevented, a buffering effect is achieved, excessive force application rigidity of the drill to the end face of the bearing seat is prevented, and the internal structure of the main body is protected from being damaged by impact.
Claims (7)
1. The utility model provides a multiaxis combination bores with adjustable which characterized in that: the drilling machine comprises a rack, a gear set coaxially arranged in the rack and an adjusting disc provided with a plurality of drilling shafts; wherein the gear set comprises a sun gear and a plurality of planetary gears located therearound, the sun gear being connected to a drive shaft, each of the planetary gears having a drive stub shaft; the adjusting disk comprises a fixed disk and a movable disk which are overlapped, a plurality of groups of corresponding wire grooves are uniformly distributed along the centers of the disk surfaces of the fixed disk and the movable disk and are mutually crossed, a cross point of each wire groove is penetrated and provided with a sliding shaft head, the outer side of each sliding shaft head is connected with a drill rod, and the inner side of each sliding shaft head is connected with a linkage rod of which the universal joints are arranged at the two ends of the transmission shaft head.
2. The adjustable multi-spindle combination drill according to claim 1, wherein: the driving mechanism of the movable disc comprises a worm arranged on the fixed disc, and the worm is matched with the worm gear arranged on the edge of the movable disc.
3. The adjustable multi-spindle combination drill according to claim 1, wherein: the wire casing on the fixed plate is radial linear, the wire casing on the movable plate is arc involute, and the shaft body of the sliding shaft head is provided with a circumferential groove for clamping the inner side edge of the wire casing.
4. A double-sided boring machine is characterized in that: the adjustable multi-spindle combined drill as claimed in any one of claims 1 to 3 is mounted on symmetrical sliding tables of a horizontal boring machine, a driving shaft of the gear set is connected with a spindle box of the boring machine, and a workbench for fixing a bearing seat is arranged between the symmetrical sliding tables.
5. The double-sided boring machine according to claim 4, wherein: the adjustable multi-shaft combined drill is characterized in that a positioning frame is arranged at the front end of a frame of the adjustable multi-shaft combined drill, a flange plate is arranged on the positioning frame, and a plurality of guide holes for extending drill rods are formed in the surface of the flange plate.
6. The double-sided boring machine according to claim 5, wherein: the locating rack comprises a central disc and wing plates arranged on two sides of the central disc, through grooves are formed in the wing plates, and two sides of each flange plate are fixed in the through grooves through bolts.
7. The double-sided boring machine according to claim 6, wherein: the center plate is connected with an adjusting plate of the adjustable multi-shaft combined drill through an axis rod, the axis rod penetrates through the center plate or the adjusting plate, and a rod body of the axis rod is sleeved with a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064552.9U CN216758216U (en) | 2022-01-12 | 2022-01-12 | Adjustable multi-shaft combined drill and double-sided boring machine formed by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220064552.9U CN216758216U (en) | 2022-01-12 | 2022-01-12 | Adjustable multi-shaft combined drill and double-sided boring machine formed by same |
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| Publication Number | Publication Date |
|---|---|
| CN216758216U true CN216758216U (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220064552.9U Active CN216758216U (en) | 2022-01-12 | 2022-01-12 | Adjustable multi-shaft combined drill and double-sided boring machine formed by same |
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| CN (1) | CN216758216U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139378A (en) * | 2022-08-02 | 2022-10-04 | 江苏旅游职业学院 | Drilling and polishing equipment for bamboo flute processing |
| CN116652239A (en) * | 2023-07-25 | 2023-08-29 | 江苏开源环保技术工程有限公司 | Drilling machine for processing outer metal pipe of rubber lining pipeline |
-
2022
- 2022-01-12 CN CN202220064552.9U patent/CN216758216U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115139378A (en) * | 2022-08-02 | 2022-10-04 | 江苏旅游职业学院 | Drilling and polishing equipment for bamboo flute processing |
| CN115139378B (en) * | 2022-08-02 | 2023-01-20 | 江苏旅游职业学院 | Drilling and polishing equipment for bamboo flute processing |
| CN116652239A (en) * | 2023-07-25 | 2023-08-29 | 江苏开源环保技术工程有限公司 | Drilling machine for processing outer metal pipe of rubber lining pipeline |
| CN116652239B (en) * | 2023-07-25 | 2023-09-29 | 江苏开源环保技术工程有限公司 | Drilling machine for processing outer metal pipe of rubber lining pipeline |
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