CN208696944U - A kind of intermittent propulsion device for machine tool feeding mechanism - Google Patents
A kind of intermittent propulsion device for machine tool feeding mechanism Download PDFInfo
- Publication number
- CN208696944U CN208696944U CN201821384550.8U CN201821384550U CN208696944U CN 208696944 U CN208696944 U CN 208696944U CN 201821384550 U CN201821384550 U CN 201821384550U CN 208696944 U CN208696944 U CN 208696944U
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- China
- Prior art keywords
- pawl
- ratchet
- rotating wheel
- machine tool
- connecting rod
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Abstract
The utility model provides a kind of intermittent propulsion device for machine tool feeding mechanism, including the first fixed plate, the second fixed plate, rotating wheel, ratchet, rotation axis and connecting rod；Described connecting rod one end is connect with propulsive power source, and the other end is connect with the rotating wheel, and when the connecting rod moves back and forth, the rotating wheel is rotated with；It is hinged with the first pawl at the top A point of the rotating wheel, the second pawl is hinged in second fixed disk, the pawl point of first pawl and the top ratchet of the ratchet cooperate, and the pawl point of second pawl downward, and cooperates with the right side ratchet of the ratchet.The utility model is compact-sized, first pawl is for promoting the ratchet to advance, second pawl is for blocking ratchet, ratchet is avoided to invert, the reversion of ratchet is effectively avoided by separately positioned the first pawl and the second pawl, and first pawl and the second pawl be all made of hinged fixation, avoid and ratchet generate hard friction.
Description
Technical field
The utility model relates to a kind of propulsion device more particularly to a kind of intermittent propulsion dresses for machine tool feeding mechanism
It sets.
Background technique
In to the processing of all kinds of bars, since machine tool feed workpiece needs certain time interval, so in process
Need one direction stepping to be fed material, the period rested is the time of work pieces process, be fed again after the completion of work pieces process material after
Continuous processing.It is all that ratchet rotation is pushed by the V-type pawl of integral type in the intermittent feed device of lathe in the prior art, it is right
In driving wheel not in the case where by external force, when pawl reverse movement, ratchet not can rotate, but when driving wheel is by outside other
The masterpiece used time, during pawl moves backward, not by the pressuring action of pawl, ratchet can generate anti-ratchet under external force
Turn, the intermittent feeder structure of lathe in the prior art is more complex, and the component of control pawl movement is not set coaxially with ratchet
It sets, occupied space is big.Therefore it is current for how designing the Machinetool workpiece propulsion device that one kind is compact-sized, ratchet is avoided to invert
The technical issues that need to address.
Utility model content
Technical problem to be solved by the utility model is: being easy to solve Machinetool workpiece propulsion device in the prior art
The technical problem that ratchet is overturn and occupied space is big is caused, the utility model provides a kind of interval for machine tool feeding mechanism
Formula propulsion device solves the above problems.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of interval for machine tool feeding mechanism
Formula propulsion device, including the first fixed plate, the second fixed plate, rotating wheel, ratchet, rotation axis and connecting rod；First fixed plate,
Rotating wheel and ratchet are successively sheathed on rotation axis one end, and the ratchet is fixedly connected with the rotating shaft, and rotating wheel and rotation axis rotate
Connection；Second fixed plate is fixed with machine tool chief axis frame, and ratchet is between rotating wheel and the second fixed plate；The rotation
The other end spacer sleeve of axis is set there are two lantern ring, and two lantern rings are fixed with the machine tool chief axis frame, and with the rotation
Axis rotation connection.
Described connecting rod one end is connect with propulsive power source, the other end is connect with the rotating wheel, when the connecting rod moves back
When dynamic, the rotating wheel is rotated with；The first pawl is hinged at the top A point of the rotating wheel, in second fixed disk
It is hinged with the second pawl, the pawl point of first pawl and the top ratchet of the ratchet cooperate, the pawl point of second pawl
Downward, and with the right side ratchet of the ratchet cooperate.
Preferably, the rotation axis both ends are respectively and fixedly provided with cover plate.
Further, first pawl includes axle portion and claw, and the axle portion center is equipped with through-hole, and the claw is vertical
The axle portion axis setting, the end of claw have pawl point, and the first bolt passes through through-hole and connect with rotating wheel；Second pawl
Identical as first pawl structures, second is bolted second pawl and the second fixed plate.
Preferably, the side of first pawl and the second pawl is equipped with handle.
Further, the connecting rod vertically rotation axis axis direction setting, and the connecting rod deviates the rotation axis
Axle center setting.
Preferably, the connecting rod and the rotating wheel are articulated with point B, and hinge joint B is located at the lower part of the rotating wheel.
Preferably, the rotating wheel is ellipsoidal structure, and hinge joint A and hinge joint B are located at the ellipsoidal structure long axis
Both ends.On the one hand on the other hand the weight for reducing rotating wheel avoids rotating wheel and the connecting rod from generating interference.
Preferably, the described connecting rod one end connecting with the rotating wheel is U-shaped structure, and the edge of rotating wheel is fastened on described
In U-shaped structure, pin shaft connects the U-shaped structure and the rotating wheel.
The beneficial effects of the utility model are:
(1) the intermittent propulsion device described in the utility model for machine tool feeding mechanism, first pawl with turn
Driving wheel movement, for promoting the ratchet to advance, second pawl is fixed, for blocking ratchet, ratchet is avoided to invert,
The reversion of ratchet is effectively avoided by separately positioned first pawl and the second pawl, and the first pawl and the second pawl are equal
It is fixed using hinged, avoids and ratchet generates hard friction.
(2) the intermittent propulsion device described in the utility model for machine tool feeding mechanism, whole device are set in together
In one rotation axis, structure is more compact.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the specific embodiment of the intermittent propulsion device described in the utility model for machine tool feeding mechanism
Structural schematic diagram；
Fig. 2 is the specific embodiment of the intermittent propulsion device described in the utility model for machine tool feeding mechanism
Use state diagram；
Fig. 3 is the specific embodiment of the intermittent propulsion device described in the utility model for machine tool feeding mechanism
Side view；
Fig. 4 is the E-E of Fig. 3 to cross-sectional view；
Fig. 5 is the enlarged drawing in Fig. 1 at C；
Fig. 6 is the enlarged drawing in Fig. 1 at D.
In figure, the 1, first fixed plate, the 2, second fixed plate, 3, rotating wheel, 4, ratchet, 5, rotation axis, 6, connecting rod, 7, set
Ring, the 8, first pawl, 8-1, axle portion, 8-11, through-hole, 8-2, claw, 8-3, the first bolt, the 9, second pawl, 9-1, the second spiral shell
Bolt, 10, cover plate, 11, handle, 12, U-shaped structure, 13, propulsive power source, 14, machine tool chief axis, 15, steel wire, 16, machine tool chief axis
Frame, 17, weight.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " downward ", " front end ", " tail end ", " top ",
The orientation or positional relationship of instructions such as " lower parts " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description originally
Invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific side
Position construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connection " should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection,
It is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
One specific embodiment of the utility model, it is as shown in figures 1 to 6, a kind of for the intermittent of machine tool feeding mechanism
Propulsion device, including the first fixed plate 1, the second fixed plate 2, rotating wheel 3, ratchet 4, rotation axis 5 and connecting rod 6；First fixed plate
1, rotating wheel 3 and ratchet 4 are successively sheathed on 5 one end of rotation axis, and ratchet 4 is fixedly connected with rotation axis 5, rotating wheel 3 and rotation axis 5
Rotation connection；Second fixed plate 2 and machine tool chief axis frame 16 are fixed, and ratchet 4 is located between rotating wheel 3 and the second fixed plate 2, the
Rotating wheel 3 and ratchet 4 are limited between two fixed plates by one fixed plate 1 and the second fixed plate 2 jointly；Rotation axis 5 it is another
End spacer sleeve is set there are two lantern ring 7, and two lantern rings 7 are fixed with machine tool chief axis frame 16, and is rotatablely connected with rotation axis 5；Setting
Two lantern rings 7 are for support rotating axis 5.
6 one end of connecting rod is connect with propulsive power source 13, and the other end is connect with rotating wheel 3, when connecting rod 6 moves back and forth, is turned
Driving wheel 3 rotates with；It is hinged with the first pawl 8 at the top A point of rotating wheel 3, the second pawl 9 is hinged in the second fixed disk,
The top ratchet of the pawl point of first pawl 8 and ratchet 4 cooperates, and the first pawl 8 can be freely placed at 4 upper surface of ratchet, and second
The pawl point of pawl 9 downward, and cooperates with the right side ratchet of ratchet 4, and the second pawl 9 freely hangs down under the effect of gravity.It promotes dynamic
Power source 13 is the power source that connecting rod 6 can be made to move back and forth, and can be stepper motor.
Connecting rod 6 and the specific connection type of rotation axis 5 are that connecting rod 6 and rotating wheel 3 are articulated with point B, and hinge joint B, which is located at, to be turned
The lower part of driving wheel 3 is conducive to interstructural flexible motion using hinged connection type, and energy caused by Hard link is avoided to damage
It loses.The setting of 6 vertical axis of rotation of connecting rod, 5 axis direction, and connecting rod 6 deviates the axle center setting of rotation axis 5.
As depicted in figs. 1 and 2, when installation, the vertical machine tool chief axis 14 of rotation axis 5 is horizontally disposed, and the utility model is arranged
In 14 front end of machine tool chief axis, " 14 front end of machine tool chief axis " refers to one end on machine tool chief axis 14 close to workpiece, machine tool chief axis 14
Tail end is connect by steel wire 15 with rotation axis 5, and steel wire 15 is wound in the rotation axis 5 between two lantern rings 7.When to the right, stretching connects
When bar 6, rotating wheel 3 rotates counterclockwise, and the first pawl 8 is moved to the left, and ratchet 4 remains stationary；When connecting rod 6 resets to the left, turn
Driving wheel 3 rotates clockwise, and the first pawl 8 drives ratchet 4 to rotate clockwise, while rotation axis 5 is rotated together with ratchet 4, rotation
Axis 5 pulls machine tool chief axis 14 to advance by steel wire 15, and machine tool chief axis 14 pushes directly on workpiece stepping, and and so on work is realized in operation
The intermittent propulsion of part.
In order to keep 15 compression effect of steel wire between machine tool chief axis 14 and rotation axis 5 more preferable, it will usually among steel wire 15
A weight 17 is hung, at this point, when the first pawl 8 is moved to the left, ratchet 4 is not by the pressuring action of the first pawl 8, while ratchet 4
It will receive the opposition of weight 17, it is therefore desirable to ratchet 4 is braked using the second pawl 9, ratchet 4 is avoided to invert, processing
Precision is higher.
In the utility model, 5 both ends of rotation axis are respectively and fixedly provided with cover plate 10, prevent the element falling being sheathed in rotation axis 5.
In the utility model, the first pawl 8 includes axle portion 8-1 and claw 8-2, and the center axle portion 8-1 is equipped with through-hole 8-11, pawl
The vertical axle portion 8-1 axis setting of portion 8-2, the end of claw 8-2 have pawl point, and the first bolt 8-3 passes through through-hole 8-11 and rotation
3 connection of wheel；Second pawl 9 is identical as 8 structure of the first pawl, second bolt 9-1 connection the second pawl 9 and the second fixed plate 2.
Preferably, the side of the first pawl 8 and the second pawl 9 is equipped with handle 11, convenient for manually adjusting the first pawl 8
With 9 angle of the second pawl.
Preferably, rotating wheel 3 is ellipsoidal structure, hinge joint A and hinge joint B are located at the two of ellipsoidal structure long axis
End.Hinge joint A and hinge joint B is located at the upper and lower part of rotating wheel 3, it is therefore desirable to center away from larger, be located at hinged
Point A and the rotating wheel 3 of the two sides hinge joint B use smaller center that can mitigate 3 mass of rotating wheel away from structure, can also be to avoid rotation
Wheel 3 generates interference with connecting rod 6.
Preferably, 6 one end of connecting rod connecting with rotating wheel 3 is U-shaped structure 12, the edge of rotating wheel 3 is fastened on U-shaped
In structure 12, pin shaft connection U-shaped structure 12 and rotating wheel 3, double contact rotate more flexible compared with single-contact.
The utility model is compact-sized, is installed on that area occupied on lathe is small, and the connection side between machine tool chief axis 14
Formula is more flexible, unclamp steel wire 15 or by the second pawl 9 far from 4 surface of ratchet can drawing back machine bed main shaft 14 backward, replace work
Part is convenient and efficient.
In the present specification, identical embodiment is not necessarily referring to the schematic representation of the term.Moreover, description
Particular features, structures, materials, or characteristics can be combined in any suitable manner in any one or more embodiments.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (8)
1. a kind of intermittent propulsion device for machine tool feeding mechanism, it is characterised in that: including the first fixed plate (1), second
Fixed plate (2), rotating wheel (3), ratchet (4), rotation axis (5) and connecting rod (6)；First fixed plate (1), rotating wheel (3) and
Ratchet (4) is successively sheathed on rotation axis (5) one end, and the ratchet (4) is fixedly connected with rotation axis (5), rotating wheel (3) and rotation
Axis (5) rotation connection；Second fixed plate (2) and machine tool chief axis frame (16) are fixed, and ratchet (4) be located at rotating wheel (3) and
Between second fixed plate (2)；The other end spacer sleeve of the rotation axis (5) is set there are two lantern ring (7), two lantern rings (7)
It is fixed with the machine tool chief axis frame (16), and be rotatablely connected with the rotation axis (5)；
Described connecting rod (6) one end is connect with propulsive power source (13), and the other end is connect with the rotating wheel (3), when the connecting rod
(6) when moving back and forth, the rotating wheel (3) is rotated with；The first pawl is hinged at the top A point of the rotating wheel (3)
(8), it is hinged with the second pawl (9) in second fixed disk, the pawl point of first pawl (8) is upper with the ratchet (4)
The cooperation of portion's ratchet, the pawl point of second pawl (9) downward, and cooperate with the right side ratchet of the ratchet (4).
2. by the intermittent propulsion device described in claim 1 for machine tool feeding mechanism, it is characterised in that: the rotation axis
(5) both ends are respectively and fixedly provided with cover plate (10).
3. by the intermittent propulsion device described in claim 1 for machine tool feeding mechanism, it is characterised in that: first spine
Pawl (8) includes axle portion (8-1) and claw (8-2), and the axle portion center (8-1) is equipped with through-hole (8-11), and the claw (8-2) is hung down
Straight axle portion (8-1) the axis setting, the end of claw (8-2) have a pawl point, the first bolt (8-3) pass through through-hole (8-11) with
Rotating wheel (3) connection；Second pawl (9) is identical as the first pawl (8) structure, described in the second bolt (9-1) connection
Second pawl (9) and the second fixed plate (2).
4. by the intermittent propulsion device as claimed in claim 3 for machine tool feeding mechanism, it is characterised in that: first spine
The side of pawl (8) and the second pawl (9) is equipped with handle (11).
5. by the intermittent propulsion device described in claim 1 for machine tool feeding mechanism, it is characterised in that: the connecting rod
(6) vertical rotation axis (5) the axis direction setting, and the connecting rod (6) deviates rotation axis (5) the axle center setting.
6. being used for the intermittent propulsion device of machine tool feeding mechanism as described in claim 5, it is characterised in that: the connecting rod
(6) it is articulated with point B with the rotating wheel (3), hinge joint B is located at the lower part of the rotating wheel (3).
7. by the intermittent propulsion device as claimed in claim 6 for machine tool feeding mechanism, it is characterised in that: the rotating wheel
It (3) is ellipsoidal structure, hinge joint A and hinge joint B are located at the both ends of the ellipsoidal structure long axis.
8. by the intermittent propulsion device as claimed in claim 7 for machine tool feeding mechanism, it is characterised in that: with the rotation
The connecting rod (6) one end for taking turns (3) connection is U-shaped structure (12), and the edge of rotating wheel (3) is fastened on the U-shaped structure (12)
Interior, pin shaft connects the U-shaped structure (12) and the rotating wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384550.8U CN208696944U (en) | 2018-08-27 | 2018-08-27 | A kind of intermittent propulsion device for machine tool feeding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384550.8U CN208696944U (en) | 2018-08-27 | 2018-08-27 | A kind of intermittent propulsion device for machine tool feeding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208696944U true CN208696944U (en) | 2019-04-05 |
Family
ID=65945159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821384550.8U Expired - Fee Related CN208696944U (en) | 2018-08-27 | 2018-08-27 | A kind of intermittent propulsion device for machine tool feeding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208696944U (en) |
-
2018
- 2018-08-27 CN CN201821384550.8U patent/CN208696944U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20200827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |