CN223670259U - Deep hole drilling machine for machining eccentric shaft long through hole - Google Patents
Deep hole drilling machine for machining eccentric shaft long through holeInfo
- Publication number
- CN223670259U CN223670259U CN202423262183.2U CN202423262183U CN223670259U CN 223670259 U CN223670259 U CN 223670259U CN 202423262183 U CN202423262183 U CN 202423262183U CN 223670259 U CN223670259 U CN 223670259U
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- driving
- drill
- shafts
- drilling machine
- eccentric shaft
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Abstract
The utility model relates to a deep hole drilling machine for machining long through holes of eccentric shafts, which belongs to the technical field of deep hole drilling, wherein a sliding rail is arranged on a workbench of a base of the drilling machine, two groups of drill bit assemblies capable of moving left and right are symmetrically arranged above the sliding rail, two groups of driving devices for driving the drill bit assemblies to move are arranged in the workbench, a clamping tool for clamping an eccentric shaft to be machined is arranged above the middle of the workbench, the clamping tool comprises a lower fixed clamping block, an upper movable clamping block and a clamping cylinder, the drill bit assembly comprises a driving motor, a reduction gearbox and a drill chuck, a drill rod is arranged in the drill chuck, a transmission rotating shaft is rotationally arranged in the reduction gearbox, the drill chuck is connected to the output end of the transmission rotating shaft, and the input end of the drill chuck is connected with the driving motor. The deep hole drilling machine adopts a drilling mode that two groups of drill bit assemblies drill holes in a bidirectional way from two ends of the eccentric shaft to the middle, can be better suitable for long eccentric shaft long through hole drilling operation, reduces the fracture risk of a long drill rod of the deep hole drilling machine as much as possible, and ensures the drilling precision and the drilling efficiency of the long through hole.
Description
Technical Field
The utility model belongs to the technical field of deep hole drilling, and particularly relates to a deep hole drilling machine for machining a long through hole of an eccentric shaft.
Background
The eccentric shaft (or the camshaft) is an important component commonly used on a vehicle engine, and an oil delivery hole is required to be arranged in the shaft along the axial direction of the eccentric shaft for serving as an oil path component for providing lubricating oil for shaft rotation, however, because the length of the shaft is generally longer, drilling along the axial direction is not easy, the eccentric shaft belongs to longer deep hole processing, the bore diameter is thinner, a longer drill bit (or a drill rod) is required to be used, the conventional deep hole drilling machine is difficult to adapt to the longer hole processing, the condition that the drill rod is broken easily occurs in the working process, the drill bit is wasted, and the shaft is possibly scrapped. Therefore, there is a need for a deep hole drilling machine apparatus that is better suited for such eccentric shaft long through hole processing.
Disclosure of utility model
Aiming at the situation, the utility model provides the deep hole drilling machine for processing the eccentric shaft long through hole, which well solves the technical problems existing in the deep hole drilling machine in the prior art and can be better suitable for processing the relatively slender deep hole similar to the eccentric shaft long through hole.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a long through-hole deep hole drilling machine of eccentric shaft processing, includes the rig base, the fixed workstation that is provided with in rig base top, the fixed slide rail that extends along left and right directions that has laid in workstation top, both ends top symmetry is provided with two sets of drill bit assemblies that can move about the slide rail, the workstation is inside to be provided with two sets of drive arrangement that are used for driving two drill bit assembly and move, workstation middle part top is provided with the tight frock of clamp of being used for following left and right directions level clamp eccentric shaft of waiting to process.
The clamping tool comprises a lower fixed clamping block for supporting the eccentric shaft to be machined, an upper movable clamping block for lifting and clamping the eccentric shaft to be machined in a matched mode with the lower fixed block, and a clamping cylinder for driving the upper movable clamping block to move in a lifting mode.
The drill bit assembly comprises a driving motor, a reduction gearbox and a drill chuck, wherein a drill rod for drilling the eccentric shaft to be processed is installed in the drill chuck in a matched mode, a transmission rotating shaft is arranged in the reduction gearbox in a rotating mode, the drill chuck is connected to the output end of the transmission rotating shaft, and the input end of the transmission rotating shaft is in transmission connection with the driving motor.
Further, two lower fixed clamping blocks extending along the front-rear direction are symmetrically fixed above the workbench, two lower grooves which are symmetrical front and rear are formed in the upper surface of each lower fixed clamping block, two liftable upper movable clamping blocks are correspondingly arranged right above each lower fixed clamping block, two upper grooves which correspond to the two lower grooves are formed in the lower surface of each upper movable clamping block, two eccentric shafts to be machined can be simultaneously arranged between the two groups of upper grooves and the two groups of lower grooves, preferably, the acting surfaces of the two groups of upper grooves and the acting surfaces of the two groups of lower grooves are arc surfaces, anti-slip pads are correspondingly paved on the inner side surfaces of the arc surfaces, two clamping cylinders are correspondingly arranged above each upper movable clamping block, and are correspondingly fixedly installed on the workbench through two cylinder installation frames, and the acting ends of the two clamping cylinders are correspondingly hinged with the upper parts of the middle parts of the two upper movable clamping blocks.
Further, two groups of drill bit assemblies are symmetrically arranged above the sliding rail in a left-right mode, two transmission rotating shafts which are symmetrical front and back are respectively and rotatably arranged in two reduction boxes of the two groups of drill bit assemblies, four transmission rotating shafts are hollow rotating shafts with through holes in the center, four drill rods are respectively and correspondingly arranged at the output ends of the four transmission rotating shafts through drill chucks, each drill rod is a hollow drill bit with a central hole in the center, and the action ends of the four hollow drill bits correspond to two ends of two eccentric shafts to be processed respectively.
Further, driven wheels are correspondingly arranged on the outer sides of the input ends of the transmission rotating shafts, two driving motors are correspondingly arranged above the two reduction boxes, driving wheels are correspondingly arranged on output shafts of the two driving motors, the two driving wheels are double-groove belt wheels, each driving wheel is in transmission connection with the corresponding two driven wheels through a transmission belt, preferably, the diameters of two wheel grooves of one driving wheel are identical, the two wheel grooves are in synchronous transmission connection with the two driven wheels through two transmission belts, and the end parts of the input ends of the transmission rotating shafts are correspondingly connected with rotary joints.
Further, a cooling liquid tank is arranged on one side of the drill base, a cooling liquid pump is arranged on the cooling liquid tank, the rotary joints of the four transmission rotating shafts are respectively connected with the liquid outlet end of the cooling liquid pump through hoses, cooling liquid is respectively provided for the hollow drill bit through the hollow rotating shafts, and the cooling liquid flowing out of the hollow drill bit flows back into the cooling liquid tank through the collecting tank of the drill base.
Further, each group of driving device comprises a driving screw and a power motor, two ends of the two driving screws corresponding to the two groups of driving devices are respectively and rotatably arranged in a drilling machine base through rotating bearings, the outer ends of the two driving screws are in transmission connection with the two power motors, the bottoms of the two reduction boxes are respectively and slidably arranged above the sliding rail through sliding blocks, the bottoms of the two reduction boxes are respectively connected with a spiral auxiliary sliding table, the two spiral auxiliary sliding tables are respectively and correspondingly arranged on the two driving screws in a threaded manner, and track long holes for the two spiral auxiliary sliding tables to move left and right are formed in the upper portion of the drilling machine base in a matched mode.
Further, the drilling machine base top cover is equipped with the protection casing, the workstation and set up clamp fixture and the drill bit assembly on the workstation all are located the protection casing, the operating window has been seted up in the middle of the protection casing front side, the cooperation of operating window front side is provided with the emergency exit that can switch.
Further, the safety door comprises two sliding doors capable of being pushed and pulled left and right, the upper part and the lower part of the front side of the protective cover are respectively provided with a sliding guide rail extending along the left and right directions, and the upper part and the lower part of the two sliding doors are respectively connected with the sliding guide rails in a sliding way through sliding guide blocks.
The utility model also comprises other components which can be used normally, and the components are conventional means in the field, and in addition, devices or components which are not limited in the utility model, such as a clamping cylinder, a driving screw, a screw pair sliding table, a hollow drill bit, a hollow rotating shaft, a rotary joint, a cooling liquid tank, a cooling liquid pump and the like, all adopt the prior art in the field.
The beneficial effects of the utility model are as follows:
According to the deep hole drilling machine for machining the eccentric shaft long through hole, provided by the utility model, a drilling mode of two groups of drill bit assemblies simultaneously and bidirectionally drilling the eccentric shaft from two ends to the middle is adopted, so that the deep hole drilling machine can be better suitable for drilling operation of the eccentric shaft long through hole with longer length, the fracture risk of a long drill rod of a deep hole drilling machine is reduced as much as possible, and the drilling precision and the drilling efficiency of the long through hole are ensured.
Drawings
Fig. 1 is a schematic structural view of a deep hole drilling machine according to an embodiment.
Fig. 2 is a schematic view of the structure of fig. 1 in the direction A-A.
Fig. 3 is a schematic view of the structure of fig. 1 in the direction B-B.
Fig. 4 is a schematic view of the structure of fig. 1 in the direction C-C.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to specific embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments.
It should be noted that, the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like indicate directions or positional relationships, which are shown based on the drawings, and are only for convenience of description.
Examples
As shown in fig. 1-4, a deep hole drilling machine for machining long through holes of eccentric shafts comprises a drilling machine base 1, a workbench 2 is fixedly arranged above the drilling machine base, a sliding rail 3 extending along the left-right direction is fixedly laid above the workbench, two groups of drill bit assemblies capable of moving left and right are symmetrically arranged above the left end and the right end of the sliding rail, two groups of driving devices for driving the two drill bit assemblies to move are correspondingly arranged inside the workbench, and a clamping tool for horizontally clamping an eccentric shaft 4 to be machined along the left-right direction is arranged above the middle part of the workbench.
The clamping tool comprises a lower fixed clamping block 5 for supporting the eccentric shaft to be machined, an upper movable clamping block 6 for lifting and clamping the eccentric shaft to be machined in a matched mode with the lower fixed block, and a clamping cylinder 7 for driving the upper movable clamping block to move in a lifting mode.
The drill bit assembly comprises a driving motor 8, a reduction gearbox 9 and a drill chuck 10, wherein a drill rod 11 for drilling a to-be-processed eccentric shaft is installed in the drill chuck in a matched mode, a transmission rotating shaft 12 is rotatably arranged in the reduction gearbox, the drill chuck is connected to the output end of the transmission rotating shaft, and the input end of the transmission rotating shaft is in transmission connection with the driving motor.
Two lower fixed clamping blocks extending along the front-rear direction are symmetrically fixed above the workbench, two lower grooves 13 which are symmetrical front and rear are formed in the upper surface of each lower fixed clamping block, two liftable upper movable clamping blocks are correspondingly arranged right above each lower fixed clamping block, two upper grooves 14 which correspond to the two lower grooves are formed in the lower surface of each upper movable clamping block, and two eccentric shafts to be machined can be additionally arranged between the two groups of upper grooves and the two groups of lower grooves, so that the work efficiency is improved.
The action surfaces of the two groups of upper and lower grooves are arc surfaces, rubber anti-slip pads 15 are laid on the inner side surfaces of the arc surfaces in a matched mode, rolling patterns are arranged on the action surfaces of the rubber anti-slip pads, two clamping cylinders are correspondingly arranged above the two upper movable clamping blocks and are correspondingly fixedly mounted on the workbench through two cylinder mounting frames 16, and the action ends of the two clamping cylinders are correspondingly hinged to the middle upper portions of the two upper movable clamping blocks.
The left-right symmetry of slide rail top is provided with two sets of drill bit assemblies, and two reduction boxes of two sets of drill bit assemblies are inside respectively rotatable be provided with two front-back symmetry's transmission pivot, four the hollow pivot of logical heart hole has been seted up to the transmission pivot all for the center, and four drill rods are respectively installed through the drill chuck correspondence to the output of four transmission pivots, and each the drill rod is the hollow drill bit of center hole has been seted up at the center, and the effect end of four hollow drill bits corresponds the both ends of two eccentric shafts that wait to process respectively.
The positions of the two corresponding lower grooves on the outer side of each lower fixing clamp splice are respectively fixed with a limiting plate 17 with a round hole in the middle, the hole diameter of the round hole is slightly larger than the diameter of a drill rod, and four drill rods respectively pass through the round holes of the four limiting plates in a movable mode in a corresponding mode and are used for preventing the drill rod from being swung excessively. Meanwhile, the drilling efficiency of the eccentric shaft long through hole can be effectively improved by adopting a drilling mode of two-end bidirectional opposite drilling.
The outer sides of the input ends of the transmission rotating shafts are correspondingly provided with driven wheels 18, two driving motors are correspondingly arranged above the two reduction boxes, driving wheels 19 are correspondingly arranged on output shafts of the two driving motors, the two driving wheels are double-groove belt wheels, each driving wheel is in transmission connection with the corresponding two driven wheels through a transmission belt 20, the diameters of the two wheel grooves of one driving wheel are the same, the two wheel grooves are in synchronous transmission connection with the two driven wheels through two transmission belts, and the end parts of the input ends of the transmission rotating shafts are correspondingly connected with rotary joints 21.
The drilling machine is characterized in that a cooling liquid tank 22 is arranged on one side of the drilling machine base, a cooling liquid pump 23 is arranged on the cooling liquid tank, rotary joints of the four transmission rotating shafts are respectively connected with a liquid outlet end of the cooling liquid pump through hoses 24, the hose connection does not affect left and right movement of the drill bit assembly, cooling liquid is respectively provided for the hollow drill bit through the hollow rotating shafts, and the cooling liquid flowing out of each hollow drill bit flows back into the cooling liquid tank through a collecting tank of the drilling machine base. The cooling liquid tank, the cooling liquid pump, the hose, the rotary joint and the collecting tank of the drilling machine are all of the prior art, and detailed description is omitted here.
Each group of driving device comprises a driving screw 25 and a power motor 26, two ends of the two driving screws corresponding to the two groups of driving devices are respectively and rotatably arranged in a drilling machine base through a rotary bearing 27, the outer ends of the two driving screws are in transmission connection with the two power motors, the power motors are fixedly connected with the workbench, the bottoms of the two reduction boxes are respectively and slidably arranged above the sliding rails through sliding blocks 28, the bottoms of the two reduction boxes are respectively connected with a spiral auxiliary sliding table 29, the two spiral auxiliary sliding tables are respectively and correspondingly arranged on the two driving screws in a threaded manner, and the upper surface of the drilling machine base is provided with a long track hole in a matched manner, and the long track hole can be used for the two spiral auxiliary sliding tables to move left and right.
The drilling machine base top cover is equipped with protection casing 30, the workstation and set up clamp fixture and the drill bit assembly on the workstation all are located the protection casing, operation window 31 has been seted up in the middle of the protection casing front side, operation window front side cooperation is provided with the emergency exit that can switch.
The safety door comprises two sliding doors 32 which can be pushed and pulled left and right, the upper part and the lower part of the front side of the protective cover are respectively provided with a sliding guide rail 33 which extends along the left and right directions, and the upper part and the lower part of the two sliding doors are respectively connected with the sliding guide rails in a sliding way through sliding guide blocks 34.
The technical solution of the present utility model is not limited to the above-described specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments, and any technical modifications made within the spirit and principles of the present utility model fall within the scope of the present utility model.
Claims (4)
1. A deep hole drilling machine for machining long through holes of eccentric shafts comprises a drilling machine base, wherein a workbench is fixedly arranged above the drilling machine base, a sliding rail extending along the left and right directions is fixedly laid above the workbench, two groups of drill bit assemblies capable of moving left and right are symmetrically arranged above the left and right ends of the sliding rail, two groups of driving devices for driving the two drill bit assemblies to move are correspondingly arranged inside the workbench, a clamping tool for horizontally clamping an eccentric shaft to be machined along the left and right directions is arranged above the middle part of the workbench, the clamping tool comprises a lower fixed clamping block for supporting the eccentric shaft to be machined, an upper movable clamping block for being matched with the lower fixed clamping block to clamp the eccentric shaft to be machined in a lifting mode, and a clamping cylinder for driving the upper movable clamping block to move in a lifting mode, the drill bit assemblies comprise driving motors, reduction boxes and drill chucks, driving shafts are correspondingly arranged inside the reduction boxes in a rotating mode, the drill chucks are connected to output ends of the driving shafts, and the driving shafts are connected with input ends of the driving shafts.
2. The deep hole drilling machine for machining the long through hole of the eccentric shaft, which is disclosed in claim 1, is characterized in that two lower fixed clamping blocks extending along the front-rear direction are symmetrically fixed above the workbench, two lower grooves which are symmetrical front and rear are formed in the upper surface of the lower fixed clamping blocks, two upper movable clamping blocks which can be lifted are correspondingly arranged right above the two lower fixed clamping blocks, two upper grooves which correspond to the two lower grooves are formed in the lower surface of the two upper movable clamping blocks, two eccentric shafts to be machined can be simultaneously arranged between the two upper grooves and the two lower grooves, two clamping cylinders are correspondingly arranged above the two upper movable clamping blocks, the two clamping cylinders are correspondingly fixedly arranged on the workbench through two cylinder mounting frames, and the acting ends of the two clamping cylinders are correspondingly hinged with the upper parts in the middle of the two upper movable clamping blocks.
3. The deep hole drilling machine for machining the long through hole of the eccentric shaft, as set forth in claim 2, is characterized in that two groups of drill bit assemblies are symmetrically arranged above the sliding rail in a left-right mode, two transmission shafts which are symmetrical in front-back mode are respectively arranged inside two reduction boxes of the two groups of drill bit assemblies in a rotatable mode, the four transmission shafts are hollow shafts with through holes in the center, four drill rods are correspondingly arranged at output ends of the four transmission shafts respectively through drill chucks, the drill rods are hollow drill bits with central holes in the center, and the action ends of the four hollow drill bits correspond to two ends of two eccentric shafts to be machined.
4. The deep hole drilling machine for machining the long through hole of the eccentric shaft according to claim 3, wherein driven wheels are correspondingly arranged on the outer sides of the input ends of the transmission rotating shafts, two driving motors are correspondingly arranged above the two reduction boxes, driving wheels are correspondingly arranged on output shafts of the two driving motors, the two driving wheels are double-groove belt pulleys, each driving wheel is in transmission connection with the corresponding two driven wheels through a transmission belt, and the end parts of the input ends of the transmission rotating shafts are correspondingly connected with rotary joints.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423262183.2U CN223670259U (en) | 2024-12-27 | 2024-12-27 | Deep hole drilling machine for machining eccentric shaft long through hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423262183.2U CN223670259U (en) | 2024-12-27 | 2024-12-27 | Deep hole drilling machine for machining eccentric shaft long through hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223670259U true CN223670259U (en) | 2025-12-16 |
Family
ID=97970294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423262183.2U Active CN223670259U (en) | 2024-12-27 | 2024-12-27 | Deep hole drilling machine for machining eccentric shaft long through hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223670259U (en) |
-
2024
- 2024-12-27 CN CN202423262183.2U patent/CN223670259U/en active Active
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