CN209716476U - Knife rest for horizontal lathe - Google Patents
Knife rest for horizontal lathe Download PDFInfo
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- CN209716476U CN209716476U CN201920369460.XU CN201920369460U CN209716476U CN 209716476 U CN209716476 U CN 209716476U CN 201920369460 U CN201920369460 U CN 201920369460U CN 209716476 U CN209716476 U CN 209716476U
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- post structure
- knife
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Abstract
The utility model relates to a kind of knife rests for horizontal lathe, tool-post structure including being from top to bottom successively detachably fixed connection, knife rest housing and middle carriage, the left and right sides of tool-post structure is equipped with the groove of lateral direction penetrating, the symmetrically arranged cutter centered on tool-post structure is respectively equipped in two grooves, multiple installation threaded holes being connected to groove are transversely provided on tool-post structure, each installation threaded hole screw-in has locking member, cutter is fixed in groove by locking member, the bottom centre of tool-post structure is equipped with the first circular bosses, the top of knife rest housing is equipped with the first locating slot being cooperatively connected with the first circular bosses, the bottom centre of knife rest housing is equipped with the second circular bosses, the top of middle carriage is equipped with the second locating slot being cooperatively connected with the second circular bosses, first circular bosses are with respect to the second circular bosses eccentric setting.The utility model structure is simple, integral rigidity is good, stability is high, production efficiency and machining accuracy are high.
Description
Technical field
The utility model relates to rough turning crankshaft technical fields, more particularly to a kind of knife rest for horizontal lathe.
Background technique
The mainly turning on special horizontal crankshaft toothed wheel of the crankshaft of lathe roughing at present process often exists to save equipment cost
Rough turning crankshaft on general horizontal lathe, using offset regulatable clamp clamping workpiece, is utilized in turning crankshaft on horizontal lathe
Knife rest clamping cutter on horizontal lathe cuts crank shaft blank.
But above structure has the disadvantages that
1, knife rest overall structure poor rigidity, lathe tool square tool post, small slide plate, connecting link is more between middle slide plate, and when turning is steady
Qualitative difference, influences turning quality.
2, the lathe tool on knife rest is influenced by the interference of lathe longitudinal direction drive mechanism, and saddle is longitudinal mobile close to headstock direction
When to extreme position, lathe tool cannot reach the Far Left crank arm side of crankshaft；In turning near the song of tailstock direction crankshaft
It needs to dismantle adjustable eccentric holder behind handle diameter and crank arm side, hangs out workpiece, clamping and adjust center again after u-turn；
Clamping twice, it is time-consuming, influence production efficiency and machining accuracy.
3, when turning radial dimension finishes shift turning compared with one grade of large crankshaft or when disassembly work piece hoisting, although cutter is
It laterally draws back to extreme position, but due to that cannot be detached between point of a knife and workpiece or location conflicts, when to prevent workpiece unloading
Collide with point of a knife, it is necessary to first dismantle cutter；Saddle, which is longitudinally readjusted position or refilled after clamping workpiece again, presss from both sides cutter simultaneously
Position is adjusted, disassembly, adjustment cutter influence production efficiency.
4, knife bar vibration is big, and knife bar cantilever in square tool post is leant out longer when due to turning, and arbor stiffness is poor, leads to knife bar
Vibrate that big, noise is big when turning, interrupted turning in addition is easy to forge a knife, influences the service life of lathe tool.
Utility model content
That the technical problem to be solved by the present invention is to provide a kind of structures is simple, integral rigidity is good, stability is high, production
Efficiency and the high knife rest for horizontal lathe of machining accuracy.
A kind of knife rest for horizontal lathe of the utility model, the knife rest including being from top to bottom successively detachably fixed connection
Body, knife rest housing and middle carriage, the left and right sides of the tool-post structure are equipped with the groove of lateral direction penetrating, set respectively in two grooves
There is the symmetrically arranged cutter centered on tool-post structure, multiple installation screw threads being connected to groove are transversely provided on the tool-post structure
Hole, each installation screw-in have locking member, and the cutter is fixed in groove by locking member, in the bottom of the tool-post structure
The heart is equipped with the first circular bosses, and the top of the knife rest housing is equipped with the first locating slot being cooperatively connected with first circular bosses,
The bottom centre of the knife rest housing is equipped with the second circular bosses, and the top of the middle carriage is equipped with to be cooperated with second circular bosses
Second locating slot of connection, first circular bosses are with respect to the second circular bosses eccentric setting.
Preferably, the cutter includes knife bar and blade, and the knife bar is plugged in groove and wherein one end extends to
Outside the groove, the end for extending knife bar described in groove is that from top to bottom intilted inclined-plane, the blade are plugged in
The top on inclined-plane.
It is preferably in any of the above-described scheme, the tool-post structure two sides are equipped with and its integrally formed support knife stiffening plate, institute
The top for stating support knife stiffening plate is abutted with the lower part for extending knife bar described in groove.
It is preferably in any of the above-described scheme, the knife rest housing includes the first pedestal, the first pedestal lower part is arranged in
Second pedestal, first pedestal are an integral molding structure with the second pedestal, and the first pedestal is arranged in first locating slot
Top, second circular bosses are arranged in the bottom of the second pedestal, and the center of first pedestal and tool-post structure is arranged concentrically, institute
State the center eccentric setting of the first pedestal and the second pedestal.
It is preferably in any of the above-described scheme, the center of first pedestal is located at the center left back of the second pedestal.
It is preferably in any of the above-described scheme, second pedestal is equipped with the reinforcing rib connecting with First body side.
It is preferably in any of the above-described scheme, the bottom centre of the tool-post structure and the first pedestal is equipped with groove.
It is preferably in any of the above-described scheme, between the tool-post structure and the top of knife rest housing, the knife rest housing
It is fixedly connected by fastener between bottom and middle carriage.
Be preferably in any of the above-described scheme, the tool-post structure be equipped with positioning flat key, the knife rest housing be equipped with
The third locating slot that flat key is cooperatively connected is positioned, the third locating slot is connected to the second locating slot.
It is preferably in any of the above-described scheme, the top center of the tool-post structure is equipped with hanging ring.
Compared with prior art, advantages and beneficial effects possessed by the utility model are as follows:
It 1, is rigid connection between tool-post structure, knife rest housing and middle carriage, and tool-post structure is overall structure, is substituted existing
Square tool post, small slide plate and drive train arrangement simplify structure, improve the connective stability between each structure, guarantee steady to crankshaft
Determine turning, improves turning quality and machining accuracy.
2, tool-post structure and knife rest housing relative eccentric are arranged, and compared with existing knife rest is integrally arranged concentrically, increase knife
Have to the left position elongation of crankshaft and withdrawing amount backward, expands lathe to the processing model of different size crankshaft turnings
Enclose, solve because of saddle due to lateral or longitudinal movement on lathe reaches capacity range when can not withdrawing or cutter be unable to adjust
The problem of required position, reduces lifting crankshaft and replaces the number of cutter, improves processing efficiency and machining accuracy.
3, for blade when cutting crankshaft, blade passes to knife bar to vibration caused by crankshaft cutting force and support knife is reinforced
Plate to enhance the rigidity of knife bar, and then reduces vibration caused by knife bar when cutting due to the change of knife bar stress point position
It is dynamic, noise is alleviated, while also reducing the deflection of knife bar.In the support knife stiffening plate and cutter knife of two groove bottom tools
The heart is symmetrical arranged, and when work, the cutter in the groove of lathe spindle carries out turnery processing, the cutter in the groove of the other side
It gives over to spare, is used alternatingly, the service life of extension carriage body.
The knife rest for horizontal lathe of the utility model is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is main view of the utility model for the knife rest of horizontal lathe；
Fig. 2 is side view of the utility model for the knife rest of horizontal lathe；
Fig. 3 is top view of the utility model for the knife rest of horizontal lathe；
Wherein: 1, tool-post structure；2, hanging ring；3, locking member；4, cutter；41, knife bar；42, blade；5, knife stiffening plate is held in the palm；6,
First circular bosses；7, knife rest housing；71, the first pedestal；72, the second pedestal；8, the second circular bosses；9, reinforcing rib；10, it is dragged in
Plate；11, flat key is positioned；12, fastener；13, crankshaft.
Specific embodiment
As shown in Figure 1-Figure 3, the utility model provides a kind of knife rest for horizontal lathe, including from top to bottom successively may be used
Tool-post structure 1, the tool-post structure 1 and middle carriage 10 being fixedly connected are dismantled, the left and right sides of tool-post structure 1 is equipped with the recessed of lateral direction penetrating
Slot is respectively equipped with the symmetrically arranged cutter 4 centered on tool-post structure 1 in two grooves, is transversely provided with multiple and groove on tool-post structure 1
The installation threaded hole of connection, each installation threaded hole screw-in have locking member 3, the square head bolt that locking member 3 uses, and cutter 4 passes through
Locking member 3 is fixed in groove, and the bottom centre of tool-post structure 1 is equipped with the first circular bosses 6, and the top that tool-post structure is 1 is equipped with and the
The bottom centre of the first locating slot that one circular bosses 6 are cooperatively connected, knife rest housing is equipped with the second circular bosses 8, the top of middle carriage 10
Portion is equipped with the second locating slot being cooperatively connected with the second circular bosses 8, opposite second circular bosses, 8 eccentric setting of the first circular bosses 6.
In the present embodiment, the knife rest for horizontal lathe is fixed on middle carriage 10, and middle carriage 10 is mounted on the bed of lathe
On saddle；Middle carriage 10 longitudinal rail can be vertically moved along saddle transverse direction dovetail guide transverse shifting, saddle along lathe, knife
Frame the drive of middle carriage 10 and saddle lower realization to the turnery processing of crankshaft 13.
In the present embodiment, tool-post structure 1, tool-post structure 1 between middle carriage 10 be rigid connection, and tool-post structure 1 is whole
Structure substitutes existing square tool post, small slide plate and drive train arrangement, simplifies structure, improves the stable connection between each structure
Property, guarantee to stablize crankshaft 13 turning, improves turning quality and machining accuracy.Tool-post structure 1 and knife rest housing relative eccentric are arranged,
Compared with existing knife rest is integrally arranged concentrically, to the left position elongation of the crankshaft 13 and backward withdrawing of cutter 4 is increased
Amount, expands lathe to the range of work of 13 turning of size crankshaft, solves that lateral or longitudinal movement reaches on lathe because of saddle
When to limit range and can not withdrawing or cutter 4 cannot it is longitudinally adjusted needed for position the problem of, reduce lifting crankshaft 13 and
The number of cutter 4 is replaced, processing efficiency and machining accuracy are improved.
Further, knife bar 41 is plugged in groove and wherein one end extends to outside groove, extends groove knife bar 41
End be from top to bottom intilted inclined-plane, blade 42 are plugged in the top on inclined-plane.1 two sides of tool-post structure are equipped with and its one
The top of molding support knife stiffening plate 5, support knife stiffening plate 5 is abutted with the lower part for extending groove knife bar 41.
In the present embodiment, for blade 42 when cutting crankshaft 13, blade 42 transmits vibration caused by 13 cutting force of crankshaft
Support knife stiffening plate 5 is given, due to the change of 41 stress point position of knife bar, to enhance the rigidity of knife bar 41, and then reduces cutting
When knife bar 41 caused by vibration, alleviate noise, while also reducing the deflection of knife bar 41.The support of two groove bottom tools 4
Knife stiffening plate 5 and 42 center symmetric setting of blade, when work, the cutter 4 in the groove of lathe spindle carries out turnery processing,
Cutter 4 in the groove of the other side gives over to spare, is used alternatingly, the service life of extension carriage body 1.
Specifically, when being used alternatingly, by unscrewing the fastener 12 between tool-post structure 1 and tool-post structure 1, by tool-post structure 1
After 1 rotation 180 degree of tool-post structure, then tightening fastener parts 12 can be used continuously.
Further, tool-post structure 1 include the first pedestal 71, the second pedestal 72 of 71 lower part of the first pedestal is set, the
One pedestal 71 is an integral molding structure with the second pedestal 72, and the top of the first pedestal 71, the second boss is arranged in the first locating slot
The bottom of the second pedestal 72 is arranged in platform 8, and the center of the first pedestal 71 and tool-post structure 1 is arranged concentrically, the first pedestal 71 and second
The center eccentric setting of pedestal 72.
Further, the center of the first pedestal 71 is located at the center left back of the second pedestal 72.In the present embodiment, First
The center of body 71 deviates to the left relative to the center of the second pedestal 72, increases longitudinal close headstock direction when turning crankshaft 13
Processing dimension range increases the left position elongation of turning crankshaft 13；The center of first pedestal 71 is with respect to the second pedestal 72
Center back offset, the lateral size range of withdrawing extreme position backward when increasing turning crankshaft 13.
Further, the second pedestal 72 is equipped with the reinforcing rib 9 connecting with 71 side of the first pedestal.In the present embodiment, add
The overall structure stability of strong knife rest housing.
Further, the bottom centre of tool-post structure 1 and the first pedestal 71 is equipped with groove.In the present embodiment, groove
Setting have the function of mitigating tool-post structure 1 and knife rest housing self gravity.
Further, logical between the bottom and middle carriage 10 of knife rest housing between tool-post structure 1 and the top of knife rest housing
Fastener 12 is crossed to be fixedly connected.In the present embodiment, fastener 12 is using hex bolts.
Further, tool-post structure 1 is equipped with positioning flat key 11, and tool-post structure 1 is equipped with and the positioning mating connection of flat key 11
Third locating slot, third locating slot is connected to the second locating slot.In the present embodiment, the setting of positioning flat key 11 is convenient for quickly fixed
Position installation.
Further, the top center of tool-post structure 1 is equipped with hanging ring 2.In the present embodiment, convenient for knife rest disassembly lifting.
In the present embodiment, tool-post structure 1 is cast with knife rest housing using cast steel ZG340-640.
It should be noted that on the basis of Fig. 1, left and right directions is that longitudinally, front-rear direction is transverse direction in the present embodiment, with
13 side of crankshaft is front side.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (10)
1. a kind of knife rest for horizontal lathe, it is characterised in that: the knife rest including being from top to bottom successively detachably fixed connection
Body, knife rest housing and middle carriage, the left and right sides of the tool-post structure are equipped with the groove of lateral direction penetrating, set respectively in two grooves
There is the symmetrically arranged cutter centered on tool-post structure, multiple installation screw threads being connected to groove are transversely provided on the tool-post structure
Hole, each installation threaded hole screw-in have locking member, and the cutter is fixed in groove by locking member, the tool-post structure
Bottom centre is equipped with the first circular bosses, and the top of the knife rest housing is equipped with first to be cooperatively connected with first circular bosses and determines
Position slot, the bottom centre of the knife rest housing are equipped with the second circular bosses, and the top of the middle carriage is equipped with and second boss
The second locating slot that platform is cooperatively connected, first circular bosses are with respect to the second circular bosses eccentric setting.
2. the knife rest according to claim 1 for horizontal lathe, it is characterised in that: the cutter includes knife bar and knife
Piece, the knife bar is plugged in groove and wherein one end extends to outside the groove, extends the end of knife bar described in groove
For intilted inclined-plane from top to bottom, the blade is plugged in the top on inclined-plane.
3. the knife rest according to claim 2 for horizontal lathe, it is characterised in that: the tool-post structure two sides are equipped with and it
The top of integrally formed support knife stiffening plate, the support knife stiffening plate is abutted with the lower part for extending knife bar described in groove.
4. the knife rest according to claim 1 for horizontal lathe, it is characterised in that: the knife rest housing includes First
Body, the second pedestal that the first pedestal lower part is arranged in, first pedestal are an integral molding structure with the second pedestal, and described first
Locating slot is arranged in the top of the first pedestal, and second circular bosses are arranged in the bottom of the second pedestal, first pedestal with
The center of tool-post structure is arranged concentrically, the center eccentric setting of first pedestal and the second pedestal.
5. the knife rest according to claim 4 for horizontal lathe, it is characterised in that: the center of first pedestal is located at
The center left back of second pedestal.
6. the knife rest according to claim 4 for horizontal lathe, it is characterised in that: second pedestal is equipped with and the
The reinforcing rib of one pedestal side connection.
7. the knife rest according to claim 1 for horizontal lathe, it is characterised in that: the tool-post structure and the first pedestal
Bottom centre is equipped with groove.
8. the knife rest according to claim 4 for horizontal lathe, it is characterised in that: the tool-post structure and knife rest housing
Between top, it is fixedly connected by fastener between the bottom and middle carriage of the knife rest housing.
9. the knife rest according to claim 1 for horizontal lathe, it is characterised in that: it is flat that the tool-post structure is equipped with positioning
Key, the knife rest housing are equipped with the third locating slot being cooperatively connected with positioning flat key, the third locating slot and the second positioning
Slot connection.
10. the knife rest according to claim 1 for horizontal lathe, it is characterised in that: the top center of the tool-post structure
Equipped with hanging ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369460.XU CN209716476U (en) | 2019-03-22 | 2019-03-22 | Knife rest for horizontal lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920369460.XU CN209716476U (en) | 2019-03-22 | 2019-03-22 | Knife rest for horizontal lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209716476U true CN209716476U (en) | 2019-12-03 |
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ID=68687870
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920369460.XU Active CN209716476U (en) | 2019-03-22 | 2019-03-22 | Knife rest for horizontal lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209716476U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794623A (en) * | 2019-03-22 | 2019-05-24 | 中集能源有限公司 | Knife rest for horizontal lathe |
-
2019
- 2019-03-22 CN CN201920369460.XU patent/CN209716476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109794623A (en) * | 2019-03-22 | 2019-05-24 | 中集能源有限公司 | Knife rest for horizontal lathe |
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