CN207171122U - A kind of screw mandrel external screw thread grinding attachment - Google Patents
A kind of screw mandrel external screw thread grinding attachment Download PDFInfo
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- CN207171122U CN207171122U CN201721034381.0U CN201721034381U CN207171122U CN 207171122 U CN207171122 U CN 207171122U CN 201721034381 U CN201721034381 U CN 201721034381U CN 207171122 U CN207171122 U CN 207171122U
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- motor
- emery wheel
- workpiece
- screw mandrel
- bottom plate
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Abstract
The utility model discloses a kind of screw mandrel external screw thread grinding attachment, including support, the support includes bottom plate and lifting arm, the lower end of the lifting arm is provided with emery wheel, the first motor is fixedly installed in the cavity of lifting arm, the output shaft of first motor is connected with emery wheel, and the first motor driving emery wheel rotates；Leading screw and the second motor are provided with bottom plate, emery wheel axis tilts a lead angle with respect to the axis of leading screw, the 3rd motor, two the first fixed plates, two the second fixed plates and two groups of fixtures are vertically arranged with slide plate.By setting fixture, to playing a supporting role in the middle part of workpiece, upper gripper jaw, lower clamping jaw arc surface play position-limiting action to workpiece, then in engineering is ground, workpiece will not shake, and enhance stable shape, improve machining accuracy and yield rate.
Description
Technical field
It the utility model is related to a kind of screw mandrel external screw thread grinding attachment.
Background technology
Leading screw external screw thread uses machining in the prior art, and machining accuracy is low, and processing technology is complicated, silk then occurs
Thick stick external screw thread grinding attachment, existing external screw thread grinding attachment, only the both ends of workpiece are accommodated, because Workpiece length to be added
It is longer, lack support in the middle part of workpiece, in grinding process, easily rock, cause machining accuracy low.
The content of the invention
The purpose of this utility model is to provide a kind of screw mandrel external screw thread grinding attachment solve existing existing external screw thread grinding
Device, lack to the support in the middle part of workpiece, then in grinding process, workpiece is easily rocked, and the technology for causing machining accuracy low is asked
Topic.
To achieve these goals, the utility model patent technical scheme is as follows：
A kind of screw mandrel external screw thread grinding attachment, including support, the support include bottom plate and lifting arm, the lifting arm
Lower end is provided with emery wheel, and the first motor is fixedly installed in the cavity of lifting arm, and output shaft and the emery wheel of the first motor are connected, the
One motor driving emery wheel rotates；
Leading screw and the second motor are provided with the bottom plate, emery wheel axis tilts a screw thread liter with respect to the axis of leading screw
Angle, both ends and the bottom plate of leading screw are rotatablely connected, and are provided with slide plate above bottom plate, the bottom of slide plate is fixedly installed slide, slide
On offer tapped through hole, screw mandrel is threadedly coupled with slide, and the output shaft of the second motor and one end of screw mandrel are connected；
The 3rd motor, two the first fixed plates, two the second fixed plates and two groups of fixtures are vertically arranged with the slide plate,
The central point line of two groups of fixtures is parallel with leading screw, and two groups of fixtures are separately positioned in two the first fixed plates, every group of fixture bag
Include the first electromagnetic switch being fixedly installed in the first fixed plate and be rotatably arranged in the first fixed plate head rod, the
Two connecting rods, the movable core of the first electromagnetic switch and one end of head rod are rotatablely connected, and the head rod other end is set
It is equipped with upper gripper jaw, the bottom surface of upper gripper jaw is arched upward as arc surface upwards, and the first moving tooth is additionally provided with head rod；
Be provided with the second moving tooth in second connecting rod, second connecting rod one end is provided with lower clamping jaw, lower clamping jaw it is upper
Surface is arc surface to lower recess, and upper gripper jaw and lower clamping jaw are oppositely arranged；
Described two second fixed plates are rotated on the both sides of two the first fixed plates, each second fixed plate and are provided with
End is accommodated, the output shaft of the 3rd motor and the input shaft of decelerator are connected, and the output shaft of decelerator is consolidated with one of end that accommodates
Even, it is described two accommodate ends with central point it is conllinear with the central point of two groups of fixtures.
When external screw thread processing grinding is carried out to workpiece, first pass through two and accommodate the both ends that end supports workpiece, make work
Part is stepped up；Then when the first electromagnetic switch to two fixtures is powered, the first electromagnetic switch movable core moves up, driving first
Connecting rod rotates around the tie point of itself and the first fixed plate, then the first moving tooth extrudes the second moving tooth, make the second connecting rod around its with
The tie point of first fixed plate rotates, then workpiece by upper gripper jaw, lower jaw bite and hold, upper gripper jaw, lower clamping jaw arc surface
Mutually suit with the outer surface of workpiece, lower clamping jaw is played a supporting role to workpiece；Fixture to workpiece primarily serve support and it is spacing
Effect, but workpiece can't be stepped up, when the driving of the 3rd motor accommodates end rotation, the speed that workpiece can be driven to set rotates,
Fixture relatively rotates with workpiece.The upper gripper jaw of fixture, lower clamping jaw arc surface corresponding to central angle be 60 degree, guarantee emery wheel
During to workpiece grinding, fixture will not interfere with emery wheel；Then decline lifting arm, open the first motor, emery wheel with
The outer peripheral face of one end of workpiece is contacted and rotated, and proceeds by external screw thread grinding；The second motor is then turned on, driving leading screw turns
It is dynamic, slide plate movement is driven, to complete workpiece entirely externally threaded grinding.By setting fixture, to playing in the middle part of workpiece
Supporting role, upper gripper jaw, lower clamping jaw arc surface play position-limiting action to workpiece, then in engineering is ground, workpiece will not shake
It is dynamic, stable shape is enhanced, improves machining accuracy and yield rate.
In this application, using emery wheel as grinding tool, and emery wheel axis opposite piece axis tilts a screw thread
Lift angle, emery wheel make in-movement to workpiece, and workpiece rotates around the axis of itself, and every revolution, axially shift-in one
Pitch, i.e., it is ground screw thread by the method for axial feed.In this way, because emery wheel only has a complete tooth form, so repairing
The mechanism of whole emery wheel is fairly simple, as long as with an emery wheel, it is possible to process the screw thread of different pitch, process the precision of rear thread
Also it is higher.
Further improve, described two blessing ends are oppositely arranged, and accommodate the tapered of end.Being provided at both ends with for workpiece is recessed
Hole, the cone that accommodates end is corresponding with the pit of workpiece, is equipped with, and improves workpiece stability, prevents in process
Workpiece departs from accommodating end.
Further improve, be provided with the track polished rod parallel with screw mandrel on described bottom plate, track polished rod is set through slide
Put, the both ends of track polished rod are fixedly connected with bottom plate, and slide plate is driven by screw mandrel and moved back and forth on track polished rod.By setting rail
Road polished rod, increase structural stability, skateboarding is steady, and control accuracy is high.
Further improve, the leading screw is provided at both ends with limit switch.Slide plate and limit switch collision rift, the second motor stop
Rotation stop is moved.
The utility model has technique effect as is evident below using above-mentioned technical proposal：
By setting fixture, to playing a supporting role in the middle part of workpiece, upper gripper jaw, lower clamping jaw arc surface play limit to workpiece
Position effect, then in engineering is ground, workpiece will not shake, and enhance stable shape, improve machining accuracy and yield rate.
Brief description of the drawings
Fig. 1 is the structural representation of screw mandrel external screw thread grinding attachment described in the utility model.
Fig. 2 is Fig. 1 A-A sectional views.
Fig. 3 is Fig. 1 top view.
Specific embodiment
To make the purpose of this utility model and technical scheme clearer, below in conjunction with the utility model embodiment to this
The technical scheme of utility model is clearly and completely described.
As Figure 1-3, a kind of screw mandrel external screw thread grinding attachment, including support 1, the support include bottom plate 2 and lifting
Arm 3, the lower end of the lifting arm 3 are provided with emery wheel 8, and the first motor 7, the first motor 7 are fixedly installed in the cavity of lifting arm 3
Output shaft and emery wheel 8 be connected, the first motor 7 driving emery wheel 8 rotates；
The motor 5 of leading screw 4 and second is provided with the bottom plate 2, the axis of emery wheel 8 tilts a spiral shell with respect to the axis of leading screw 4
Line lift angle, both ends and the bottom plate 4 of leading screw 4 are rotatablely connected, and the top of bottom plate 4 is provided with slide plate 6, and the bottom of slide plate is fixedly installed cunning
Seat 20, tapped through hole is offered on slide 20, screw mandrel 4 is threadedly coupled with slide, the output shaft of the second motor 5 and the one of screw mandrel 4
End is connected；
11, two, the 3rd motor the second fixed plate 10 of the first fixed plate 9, two and two groups are vertically arranged with the slide plate
Fixture, the central point line of two groups of fixtures is parallel with leading screw 4, and two groups of fixtures are separately positioned in two the first fixed plates 9, every group
Fixture includes the first electromagnetic switch 13 being fixedly installed in the first fixed plate 9 and be rotatably arranged in the first fixed plate 9 the
One connecting rod 14, the second connecting rod 17, the movable core of the first electromagnetic switch 13 are rotatablely connected with one end of head rod 14,
The other end of head rod 14 is provided with upper gripper jaw 15, and the bottom surface of upper gripper jaw 15 is arched upward as arc surface, head rod upwards
The first moving tooth 16 is additionally provided with 14；
The second moving tooth 18 is provided with second connecting rod 17, second connecting rod one end is provided with lower clamping jaw 19, lower folder
The upper table of pawl 19 is recessed downwards to be oppositely arranged for arc surface, upper gripper jaw 14 and lower clamping jaw 19；
Described two second fixed plates 10 rotate on the both sides of two the first fixed plates 9, each second fixed plate 10
Be provided with and accommodate end, the output shaft of the 3rd motor 11 and the input shaft of decelerator be connected, the output shaft of decelerator and one of them
Accommodate end be connected, it is described two accommodate ends with central point it is conllinear with the central point of two groups of fixtures.
When external screw thread processing grinding is carried out to workpiece 30, first pass through two and accommodate the both ends that end supports workpiece 30,
Stepped up workpiece；Then when the first electromagnetic switch 13 to two fixtures is powered, the movable core of the first electromagnetic switch 13 moves up,
Head rod 14 is driven to be rotated around the tie point of itself and the first fixed plate, then the first moving tooth 16 extrudes the second moving tooth 17, makes the
Two connecting rods 17 rotate around the tie point of itself and the first fixed plate, then workpiece by upper gripper jaw, lower jaw bite and hold, upper folder
Pawl 15, the outer surface of the arc surface of lower clamping jaw 19 and workpiece mutually suit, and lower clamping jaw 19 is played a supporting role to workpiece 30；Fixture is to work
Part primarily serves support and spacing effect, but can't step up workpiece, when the driving of the 3rd motor accommodates end rotation, can drive
Workpiece is rotated with the speed set, and fixture relatively rotates with workpiece.The upper gripper jaw of fixture, lower clamping jaw arc surface corresponding to
Central angle is 60 degree, and when ensureing emery wheel to workpiece grinding, fixture will not interfere with emery wheel；Then make under lifting arm
Drop, the first motor 7 is opened, emery wheel 8 is contacted and rotated with the outer peripheral face of one end of workpiece 30, is proceeded by external screw thread grinding and is added
Work；The second motor 5 is then turned on, driving leading screw 4 rotates, and drives slide plate 6 to move, and adds to complete the whole externally threaded grinding of workpiece
Work.By setting fixture, to playing a supporting role in the middle part of workpiece, upper gripper jaw 15, the arc surface of lower clamping jaw 19 play to workpiece 30
Position-limiting action, then in engineering is ground, workpiece will not shake, and enhance stable shape, improve machining accuracy and yield rate.
In the present embodiment, described two blessing ends are oppositely arranged, and accommodate the tapered of end.Workpiece 30 is provided at both ends with
Pit, the cone that accommodates end is corresponding with the pit of workpiece, is equipped with, and improves workpiece stability, prevents in process
Middle workpiece departs from accommodating end.
In the present embodiment, the track polished rod 12 parallel with screw mandrel 4 is provided with described bottom plate 2, track polished rod 12 is worn
Slide 20 is crossed to set, the both ends of track polished rod 12 are fixedly connected with bottom plate 2, slide plate 6 from screw mandrel 4 drive on track polished rod 12 toward
Multiple motion.By setting track polished rod 12, increase structural stability, the stable movement of slide plate 6, control accuracy height.
In the present embodiment, the leading screw 4 is provided at both ends with limit switch.Slide plate and limit switch collision rift, the second electricity
Machine stops operating.
Do not done in the utility model illustrate be prior art or by prior art i.e. can be achieved, Er Qieben
It is only preferably case study on implementation of the present utility model that case is embodied described in utility model, is not used for limiting this practicality
New practical range.The equivalent changes and modifications that i.e. all contents according to present utility model application the scope of the claims are made, should all make
For technology category of the present utility model.
Claims (4)
1. a kind of screw mandrel external screw thread grinding attachment, it is characterised in that including support, the support includes bottom plate and lifting arm, institute
The lower end for stating lifting arm is provided with emery wheel, is fixedly installed the first motor in the cavity of lifting arm, the output shaft of the first motor with
Emery wheel is connected, and the first motor driving emery wheel rotates；
Leading screw and the second motor are provided with the bottom plate, emery wheel axis tilts a lead angle, silk with respect to the axis of leading screw
The both ends of thick stick are rotatablely connected with bottom plate, are provided with slide plate above bottom plate, the bottom of slide plate is fixedly installed slide, opened up on slide
There is tapped through hole, screw mandrel is threadedly coupled with slide, and the output shaft of the second motor and one end of screw mandrel are connected；
It is vertically arranged with the 3rd motor, two the first fixed plates, two the second fixed plates and two groups of fixtures on the slide plate, two groups
The central point line of fixture is parallel with leading screw, and two groups of fixtures are separately positioned in two the first fixed plates, and every group of fixture includes solid
Surely the first electromagnetic switch being arranged in the first fixed plate and the head rod being rotatably arranged in the first fixed plate, the second company
Extension bar, the movable core of the first electromagnetic switch and one end of head rod are rotatablely connected, and the head rod other end is provided with
Upper gripper jaw, the bottom surface of upper gripper jaw are arched upward as arc surface upwards, and the first moving tooth is additionally provided with head rod；
The second moving tooth is provided with second connecting rod, second connecting rod one end is provided with lower clamping jaw, the upper surface of lower clamping jaw
It is arc surface to lower recess, upper gripper jaw and lower clamping jaw are oppositely arranged；
Described two second fixed plates rotate on the both sides of two the first fixed plates, each second fixed plate and are provided with blessing
End, the output shaft of the 3rd motor and the input shaft of decelerator are connected, and the output shaft of decelerator is connected with one of end that accommodates, institute
State two accommodate ends with central point it is conllinear with the central point of two groups of fixtures.
2. screw mandrel external screw thread grinding attachment according to claim 1, it is characterised in that described two blessing ends are relative to be set
Put, accommodate the tapered of end.
3. screw mandrel external screw thread grinding attachment according to claim 1 or 2, it is characterised in that be provided with described bottom plate
The track polished rod parallel with screw mandrel, track polished rod are set through slide, and the both ends of track polished rod are fixedly connected with bottom plate, slide plate by
Screw mandrel driving moves back and forth on track polished rod.
4. screw mandrel external screw thread grinding attachment according to claim 3, it is characterised in that the leading screw is provided at both ends with spacing
Switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034381.0U CN207171122U (en) | 2017-08-17 | 2017-08-17 | A kind of screw mandrel external screw thread grinding attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721034381.0U CN207171122U (en) | 2017-08-17 | 2017-08-17 | A kind of screw mandrel external screw thread grinding attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207171122U true CN207171122U (en) | 2018-04-03 |
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ID=61741377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721034381.0U Active CN207171122U (en) | 2017-08-17 | 2017-08-17 | A kind of screw mandrel external screw thread grinding attachment |
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| Country | Link |
|---|---|
| CN (1) | CN207171122U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396573A (en) * | 2017-08-17 | 2019-03-01 | 南京雄豹精密机械有限公司 | A kind of screw rod external screw thread grinding attachment |
| CN112139613A (en) * | 2020-09-23 | 2020-12-29 | 徐永保 | Industrial tapping machine with automatic feeding function |
| CN117464547A (en) * | 2023-12-26 | 2024-01-30 | 内蒙古工业大学 | Magnetic grinding device capable of processing pipe fittings with different pipe diameters |
-
2017
- 2017-08-17 CN CN201721034381.0U patent/CN207171122U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396573A (en) * | 2017-08-17 | 2019-03-01 | 南京雄豹精密机械有限公司 | A kind of screw rod external screw thread grinding attachment |
| CN112139613A (en) * | 2020-09-23 | 2020-12-29 | 徐永保 | Industrial tapping machine with automatic feeding function |
| CN112139613B (en) * | 2020-09-23 | 2022-11-15 | 江苏诚益达智能科技有限公司 | Industrial autoloading's threading machine |
| CN117464547A (en) * | 2023-12-26 | 2024-01-30 | 内蒙古工业大学 | Magnetic grinding device capable of processing pipe fittings with different pipe diameters |
| CN117464547B (en) * | 2023-12-26 | 2024-02-23 | 内蒙古工业大学 | Magnetic grinding device capable of processing pipe fittings with different pipe diameters |
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