CN106624024A - Drilling equipment for drilling center hole of motor shaft - Google Patents
Drilling equipment for drilling center hole of motor shaft Download PDFInfo
- Publication number
- CN106624024A CN106624024A CN201611211809.4A CN201611211809A CN106624024A CN 106624024 A CN106624024 A CN 106624024A CN 201611211809 A CN201611211809 A CN 201611211809A CN 106624024 A CN106624024 A CN 106624024A
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- CN
- China
- Prior art keywords
- drilling machine
- motor shaft
- drilling
- travelling carriage
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/22—Drilling machines with a plurality of working-spindles; Drilling automatons with working-spindles in opposite headstocks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention belongs to the field of mechanical grinding, and concretely discloses drilling equipment for drilling a center hole of a motor shaft. The drilling equipment for drilling the center hole of the motor shaft comprises a base and a support plate. A through hole is formed in the support plate; a clamping device is arranged in the through hole and is coaxial to the through hole; a sliding support penetrates through the bottom part of the support plate; a first drilling machine is slidably connected to one end of the sliding support; a second drilling machine is slidably connected to the other end of the sliding support; the first drilling machine and the second drilling machine are jointly connected with a first motor; elastic elements are connected between the first drilling machine and one side wall of the sliding support as well as between the second drilling machine and the other side wall of the sliding support; drill bits of the first drilling machine and the second drilling machine are coaxial to the clamping device; connecting rods are connected onto the first drilling machine and the second drilling machine; threaded plates are arranged on opposite end faces of the two connecting rods; and a threaded cone is matched between the threaded plates. The scheme can prevent the occurrence of the problems that the motor shaft is eccentric during a drilling process, holes in two ends of the motor shaft are non-coaxial, and the like.
Description
Technical field
The invention belongs to mechanical grinding field, more particularly to a kind of drilling jig tool for workpiece.
Background technology
Motor shaft is generally elongate articles, when motor shaft is processed, especially one during the excircle of overall processing motor shaft
As be to use lathe process.Plus man-hour is positioned in the form of live centre to motor shaft, and top needs are by center
Hole is positioned, and is so accomplished by drilling motor shaft two ends, drilling typically carried out using drilling machine, will workpiece fix
On fixture, fixture is transportable for movable, first determination center of ruling is carried out on the end face of motor shaft using scriber
Point, is then punched the drill bit centring point of drilling machine.After hole drill at one end on face is complete, need to turn over motor shaft
Body, then proceedes to line, drilling on the other end of motor shaft.
Such device drilling preamble prepares relatively complicated, reduces the operating efficiency of drilling, and many times in drill bit
The bias of motor shaft can be caused during rough drill so that the hole that gets out reduces with precision, after drilling to the two ends of motor shaft, two
Hole it cannot be guaranteed that coaxially, so greatly reduces the precision of motor shaft drilling, and to motor shaft subsequent use bad shadow is produced
Ring.
The content of the invention
It is an object of the invention to provide a kind of rig for boring motor shaft centre bore, is being bored with solving motor shaft
Hole process produces bias causes borehole accuracy not high, the hole out-of-alignment problem at motor shaft two ends.
In order to achieve the above object, base case of the invention provides a kind of drilling for boring motor shaft centre bore and sets
It is standby, including base, gripper shoe is fixed with the base, through hole is provided with the gripper shoe, be provided with the through hole for
The clamping device of clamping motor shaft, the clamping device is coaxial with through hole；Gripper shoe bottom is run through the cunning being fixed on base
Moving frame, described travelling carriage one end slidably connects the first drilling machine, and the other end of travelling carriage slidably connects the second drilling machine, institute
State the first drilling machine and the second drilling machine be connected with the first motor jointly, between the first drilling machine and travelling carriage side wall, second bore
Be respectively connected between hole machine and travelling carriage side wall the drill bit of elastic component, the drill bit of the first drilling machine and the second drilling machine with clamping
Device is coaxial；Connecting rod is respectively connected with first drilling machine and the second drilling machine, two relative end faces of connecting rod are equipped with wedge shape
Thread plate, is combined with by the second motor-driven screw thread centrum between two thread plates.
The principle of this base case is：Under normal circumstances, the middle part of screw thread centrum is engaged with thread plate, now elasticity
Part is extruded and in the state of compression.During work, motor shaft is arranged in clamping device, makes motor shaft same with clamping device
Axle；If the first drilling machine and the second drilling machine from motor shaft too away from, start the second motor make screw thread centrum start to rotate and to
Lower movement, because the width of screw thread superior is less than the width at middle part, so what screw thread centrum moved down while in rotation
During promote to move closer to gripper shoe on the first drilling machine and the second drilling machine in the presence of stage clip restoring force, and produce phase
With displacement, make the first drilling machine and the second drilling machine identical with the distance of motor shaft and fit into drilling.
Then start the first motor, the drill bit for making the first drilling machine is rotated clockwise, the one of end face of motor shaft is entered
Row drilling, the drill bit for making the second drilling machine is rotated counterclockwise, and to motor shaft, another end face drills, and two drill bits are toward on the contrary
Direction drills to motor shaft, and while produces rightabout and the equal active force of dynamics, two active forces to motor shaft
Cancel out each other, so as to ensure that motor shaft will not vibrate or offset in boring procedure, improve the precision of drilling.
If the first drilling machine and the second drilling machine from motor shaft too close to, starting the second motor makes screw thread centrum start to rotate
And move up, then repeat the above steps.
The beneficial effect of this base case is：
（1）This programme is drilled by the drill bit of the first drilling machine and the drill bit of the second drilling machine toward rightabout, promotes
The active force that the active force that the drill bit of one drilling machine is produced to motor shaft is produced with the drill bit of the second drilling machine is offseted, so as to protect
Stability of the motor shaft in boring procedure has been demonstrate,proved, the precision of drilling has been improve；
（2）This programme is drilled to motor shaft simultaneously using two drilling machines, improves the operating efficiency of motor shaft drilling；
（3）This programme is controlled two drilling machines by the cooperation of screw thread centrum and thread plate and produces identical displacement, it is ensured that
The depth of center hole that motor shaft two ends are formed is identical；
（4）This programme adjusts the power of the first drilling machine and the second drilling machine near gripper shoe using the restoring force of elastic component,
Simple structure, drives more stable；
（5）This programme controls the drill bit of the first drilling machine by travelling carriage and the drill bit of the second drilling machine is same with clamping device
Axle, so as to the hole that ensure that motor shaft two ends can be coaxial.
Scheme two：Scheme is preferred based on this, and the gripper shoe bottom is provided with bracing means.Bracing means can be further
The stability of gripper shoe is improved, so as to improve the precision of motor shaft drilling.
Scheme three：This is preferred for scheme two, and the bracing means is triangular in shape.The bracing means stability of triangle compared with
By force, stable fixing force can be provided for gripper shoe.
Scheme four：Scheme is preferred based on this, the face that first drilling machine and the second drilling machine are contacted with travelling carriage
Surface roughness Ra<0.1μm.Surface roughness Ra<0.1 μm of contact surface is relatively smooth, is prevented from the first drilling machine and second
Drilling machine causes in the course of the work abrasion to travelling carriage, and can improve the first drilling machine and the second drilling machine to screw thread centrum
Mobile reaction sensitivity, so as to improve the precision of drilling.
Scheme five：This is preferred for scheme four, and the drill bit of first drilling machine and the drill bit of the second drilling machine are socketed
There is protective jacket.Protective jacket can prevent the tip of drill bit from accidentally injuring to workman, in addition, drill bit is shelved on for a long time air when unused
In, easy oxidation by air and affect service life, protective jacket can prevent trip bolt and drill bit and air exclusion by oxygen
Change.
Scheme six：Scheme is preferred based on this, and the elastic component is stage clip.Stage clip can be the first drilling machine and second
The reset of drilling machine provides power-assisted.
Description of the drawings
Fig. 1 is the present invention for boring the structural representation of the embodiment of the rig of motor shaft centre bore.
Specific embodiment
Below by specific embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Base 1, gripper shoe 2, clamping device 3, travelling carriage 4, the first drilling machine 5,
Two drilling machines 6, the first motor 7, elastic component 8, connecting rod 9, thread plate 10, screw thread centrum 11, the second motor 12, bracing means 13.
Embodiment is substantially as shown in Figure 1：
For boring the rig of motor shaft centre bore, mainly bored by base 1, gripper shoe 2, clamping device 3, travelling carriage 4, first
Hole machine 5, the second drilling machine 6, thread plate 10, screw thread centrum 11 are constituted.The middle part of base 1 is welded with gripper shoe 2, gripper shoe 2
Bottom is provided with bracing means 13, and bracing means 13 is triangle.Through hole is provided with gripper shoe 2, clamping dress is installed in through hole
3 are put, clamping device 3 is used to clamp motor shaft, and clamping device 3 is coaxial with through hole.
Through there is travelling carriage 4, travelling carriage 4 is fixed on base 1 for the bottom of gripper shoe 2.The left end of travelling carriage 4 is slidably connected
Have the first drilling machine 5, the right-hand member of travelling carriage 4 slidably connects the second drilling machine 6, the first drilling machine 5 and the second drilling machine 6 by
First motor 7 drives；Weld between the left side of first drilling machine 5 and travelling carriage 4, between the right side of the second drilling machine 6 and travelling carriage 4
Flexible part 8, elastic component 8 is stage clip.The face surface roughness that first drilling machine 5 and the second drilling machine 6 are contacted with travelling carriage 4
Ra<0.1 μm, surface roughness Ra<0.1 μm of contact surface is relatively smooth, is prevented from the first drilling machine 5 and the second drilling machine 6 exists
Abrasion is caused to travelling carriage 4 in the course of work, it is anti-that the first drilling machine 5 of raising and the second drilling machine 6 are moved to screw thread centrum 11
Answer sensitivity.The drill bit of the drill bit of the first drilling machine 5 and the second drilling machine 6 is socketed with protective jacket, and protective jacket can prevent from boring
The tip of head is accidentally injured and arrives workman, and trip bolt and drill bit and air exclusion can also be prevented from being oxidized by protective jacket.
The drill bit of the drill bit of the first drilling machine 5 and the second drilling machine 6 is coaxial with clamping device 3.The left end of first drilling machine 5
Connecting rod 9 is welded with the right-hand member of the second drilling machine 6, two relative end faces of connecting rod 9 are welded with the thread plate 10 of wedge shape, two
Screw thread centrum 11 is combined between block thread plate 10, screw thread centrum 11 is driven by the second motor 12, and screw thread centrum 11 is up-narrow and down-wide.
During specific works, under normal circumstances, the middle part of screw thread centrum 11 is engaged with thread plate 10, now thread plate 10 it
Between softened a certain distance, the mobile drivening rod 9 of thread plate 10, the first drilling machine 5 and the second drilling machine 6 are along away from support
The direction movement of plate 2, the movement of the first drilling machine 5 and the second drilling machine 6 causes stage clip to be extruded and in the state of compression.
During work, motor shaft is arranged in clamping device 3, makes motor shaft coaxial with clamping device 3；If the first drilling machine
5 and second drilling machine 6 from motor shaft too away from, then starting the second motor 12 makes screw thread centrum 11 start to rotate and move down, by
Width in the top of screw thread centrum 11 is less than the width at middle part, so screw thread centrum 11 when rotating during moving down
Promote that gripper shoe 2 is moved closer in the presence of stage clip restoring force on the first drilling machine 5 and the second drilling machine 6, and produce identical
Displacement, make the first drilling machine 5 and the second drilling machine 6 identical with the distance of motor shaft and fit into drilling, so as to ensure that
The depth of center hole that motor shaft two ends are formed is identical.
Then the first motor 7 is started, the drill bit for making the first drilling machine 5 is rotated clockwise, to the one of end face of motor shaft
Drilled, the drill bit for making the second drilling machine 6 is rotated counterclockwise, and to motor shaft, another end face drills, two drill bits are past
Rightabout drills to motor shaft, and while rightabout and the equal active force of dynamics is produced to motor shaft, two are made
Firmly cancel out each other, so as to ensure that motor shaft will not vibrate or offset in boring procedure, improve the precision of drilling.
If the first drilling machine 5 and the second drilling machine 6 from motor shaft too close to, starting the second motor 12 opens screw thread centrum 11
Beginning rotates and moves up, because the width of the bottom of screw thread centrum 11 is more than the width at middle part, so screw thread centrum 11 turns on side
Dynamic side promotes to be squeezed once again on the first drilling machine 5 and the second drilling machine 6 during moving up, along away from gripper shoe 2
Identical displacement is moved and produced in direction, makes the first drilling machine 5 and the second drilling machine 6 identical with the distance of motor shaft and just fit
Bench drill hole, then restarts the first motor 7, and the drill bit for making the first drilling machine 5 is rotated clockwise, to the one of end face of motor shaft
Drilled, the drill bit for making the second drilling machine 6 is rotated counterclockwise, and to motor shaft, another end face drills, two drill bits are past
Rightabout drills to motor shaft, and while rightabout and the equal active force of dynamics is produced to motor shaft, two are made
Firmly cancel out each other, so as to ensure that motor shaft will not vibrate or offset in boring procedure, improve the precision of drilling.
Above-described is only embodiments of the invention, and the general knowledge here such as known concrete structure and characteristic is not made in scheme
Excessive description.It should be pointed out that for a person skilled in the art, on the premise of without departing from present configuration, can be with
Some deformations and improvement are made, these should also be considered as protection scope of the present invention, these are implemented all without the impact present invention
Effect and practical applicability.This application claims protection domain should be defined by the content of its claim, in specification
Specific embodiment etc. records the content that can be used for explaining claim.
Claims (6)
1. it is used to bore the rig of motor shaft centre bore, including base, on the base gripper shoe is fixed with, its feature exists
In, through hole is provided with the gripper shoe, the clamping device for clamping motor shaft, the clamping device are installed in the through hole
It is coaxial with through hole；Through there is the travelling carriage being fixed on base, described travelling carriage one end slidably connects first for gripper shoe bottom
Drilling machine, the other end of travelling carriage slidably connects the second drilling machine, and first drilling machine and the second drilling machine connect jointly
There is the first motor, between the first drilling machine and travelling carriage side wall, between the second drilling machine and travelling carriage side wall elasticity is respectively connected with
The drill bit of part, the drill bit of the first drilling machine and the second drilling machine is coaxial with clamping device；First drilling machine and the second drilling machine
On be respectively connected with connecting rod, two relative end faces of connecting rod are equipped with the thread plate of wedge shape, are combined between two thread plates by
Two motor-driven screw thread centrums.
2. the rig for boring motor shaft centre bore according to claim 1, it is characterised in that：The gripper shoe bottom
Portion is provided with bracing means.
3. the rig for boring motor shaft centre bore according to claim 2, it is characterised in that：The bracing means
It is triangular in shape.
4. the rig for boring motor shaft centre bore according to claim 1, it is characterised in that：First drilling
The face surface roughness Ra that machine and the second drilling machine are contacted with travelling carriage<0.1μm.
5. the rig for boring motor shaft centre bore according to claim 4, it is characterised in that：First drilling
The drill bit of the drill bit of machine and the second drilling machine is socketed with protective jacket.
6. the rig for boring motor shaft centre bore according to claim 1, it is characterised in that：The elastic component is
Stage clip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211809.4A CN106624024A (en) | 2016-12-25 | 2016-12-25 | Drilling equipment for drilling center hole of motor shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211809.4A CN106624024A (en) | 2016-12-25 | 2016-12-25 | Drilling equipment for drilling center hole of motor shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106624024A true CN106624024A (en) | 2017-05-10 |
Family
ID=58826936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611211809.4A Pending CN106624024A (en) | 2016-12-25 | 2016-12-25 | Drilling equipment for drilling center hole of motor shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106624024A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398577A (en) * | 2017-09-25 | 2017-11-28 | 浙江环龙机器有限公司 | A kind of adjustable puncher in position |
| CN108941675A (en) * | 2018-07-28 | 2018-12-07 | 重庆天得力工业有限公司 | Centre drill aperture apparatus |
| CN112024944A (en) * | 2020-09-04 | 2020-12-04 | 陈远旭 | Multi freedom's circuit board numerical control machine tool |
| CN113305319A (en) * | 2021-06-18 | 2021-08-27 | 吴海 | Drilling machine convenient to drill holes on two sides of workpiece simultaneously |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4352611A (en) * | 1979-12-27 | 1982-10-05 | Goldraikh Genrikh M | Double-ended multiple-spindle fine boring machine |
| CN201791998U (en) * | 2010-03-16 | 2011-04-13 | 原平市宝丰机械制造有限公司 | Belt conveyor carrier roller sheet numerical control boring machine |
| CN202639389U (en) * | 2012-06-05 | 2013-01-02 | 深圳市神拓机电设备有限公司 | Device for machining two ends of steel pipe simultaneously |
| CN203509105U (en) * | 2013-09-24 | 2014-04-02 | 阜新鸿升机械制造有限公司 | Semi-automatic horizontal type opposite-tapping drilling and reaming machine tool |
| CN203611034U (en) * | 2013-12-26 | 2014-05-28 | 宁波市鄞州金博机械厂（普通合伙） | Double-head turning and rotating clamp |
| CN105234460A (en) * | 2015-11-06 | 2016-01-13 | 天津市晟岛科技有限公司 | Perforating device |
-
2016
- 2016-12-25 CN CN201611211809.4A patent/CN106624024A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4352611A (en) * | 1979-12-27 | 1982-10-05 | Goldraikh Genrikh M | Double-ended multiple-spindle fine boring machine |
| CN201791998U (en) * | 2010-03-16 | 2011-04-13 | 原平市宝丰机械制造有限公司 | Belt conveyor carrier roller sheet numerical control boring machine |
| CN202639389U (en) * | 2012-06-05 | 2013-01-02 | 深圳市神拓机电设备有限公司 | Device for machining two ends of steel pipe simultaneously |
| CN203509105U (en) * | 2013-09-24 | 2014-04-02 | 阜新鸿升机械制造有限公司 | Semi-automatic horizontal type opposite-tapping drilling and reaming machine tool |
| CN203611034U (en) * | 2013-12-26 | 2014-05-28 | 宁波市鄞州金博机械厂（普通合伙） | Double-head turning and rotating clamp |
| CN105234460A (en) * | 2015-11-06 | 2016-01-13 | 天津市晟岛科技有限公司 | Perforating device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107398577A (en) * | 2017-09-25 | 2017-11-28 | 浙江环龙机器有限公司 | A kind of adjustable puncher in position |
| CN107398577B (en) * | 2017-09-25 | 2023-09-01 | 株洲科力达实业有限公司 | Position-adjustable perforating machine |
| CN108941675A (en) * | 2018-07-28 | 2018-12-07 | 重庆天得力工业有限公司 | Centre drill aperture apparatus |
| CN112024944A (en) * | 2020-09-04 | 2020-12-04 | 陈远旭 | Multi freedom's circuit board numerical control machine tool |
| CN112024944B (en) * | 2020-09-04 | 2021-12-17 | 深圳市爱迅通信设备有限公司 | Multi freedom's circuit board numerical control machine tool |
| CN113305319A (en) * | 2021-06-18 | 2021-08-27 | 吴海 | Drilling machine convenient to drill holes on two sides of workpiece simultaneously |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |