CN201659294U - Cutting tool bit - Google Patents
Cutting tool bit Download PDFInfo
- Publication number
- CN201659294U CN201659294U CN2010201428748U CN201020142874U CN201659294U CN 201659294 U CN201659294 U CN 201659294U CN 2010201428748 U CN2010201428748 U CN 2010201428748U CN 201020142874 U CN201020142874 U CN 201020142874U CN 201659294 U CN201659294 U CN 201659294U
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- CN
- China
- Prior art keywords
- cutter
- module
- axle sleeve
- piston
- axle
- 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.)
- Expired - Lifetime
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model relates to a cutting tool bit, which can be mounted and positioned and/or anew mounted and positioned without an extra device and comprises a tool bit body and a shaft sleeve. The tool bit body is provided with a plurality of radially adjustable modules, a cutter is mounted on the surface of each module, and the radial outer surfaces of the modules face towards cam surfaces. The shaft sleeve encircling outside the tool bit body is provided with an inner surface, and a plurality of cam surfaces are arranged on the inner surface and correspondingly connected with the cam surfaces of all the modules, thereby axial movement of the shaft sleeve is converted into radial movement of each module. Each axial movement of the shaft sleeve is hydraulically completed.
Description
Technical field
The utility model relates to cutter tip; This special cutter head is used to have the equipment of fixing or rotary main shaft, and this cutter head need not outside setting or replacement.
Background technology
Has the U.S.Pat.No.1 that the outside disconnects and the automatic cutter tip technology of function of reset has been delivered by O.A.Smith, 057,014 patent and knowing has centrally been described a screw die that uses on fixed main shaft, it can be reset by the action bars of cutter head outside.But limited the use potential of cutter head greatly because use externally operated switch lever.
W.J.Hogg has described a kind of the have disconnection of improvement and the cutter head of reset apparatus at U.S.Pat.No.1 in 952,205 patents, the cutter head of this single structure has circular cutting tool or chaser.This cutter tip utilizes a crotch as external agency, and the blowout patche acting in conjunction of it and a trough of belt realizes the disconnection and the replacement of cutter head.The mechanism of this improvement does not need to be installed in the action bars on the cutter head and can use on rotation or fixed main shaft.But, use this external agency to limit the use of cutter tip equally.
The utility model content
At existing in prior technology the problems referred to above, the utility model is intended to disclose a kind of external agency that can need not can realize the cutter tip of resetting.
Technical solution of the present utility model is achieved in that
A kind of cutter tip is characterized in that it comprises:
A cutter head main body, it has front/rear end and a hollow shaft that ends at spindle nose from rear end face backward; Described front end face has numerous grooves, and radially adjusting module is housed in each groove, cutter and module is housed on module has a radially outer cam surface;
An axle sleeve, therefore it is looped around the cutter head main body and has an inner surface, has numerous cam surfaces that cooperate with the module cam surface on the described inner surface, makes the axially-movable of axle sleeve be converted into the radial motion of module;
A piston, it is positioned at hollow shaft and is fixed on the axle sleeve by the groove on the hollow shaft, so that axle sleeve and piston axially moving in the flute length scope along described axle jointly;
A kind of fluid, it is got in touch with axle, so that a hydraulic pressure increment of described fluid produces pressure to the cutter head front end face to piston and axle sleeve, thereby causes radially inwardly motion of module.Be that fluid is supplied with to spindle nose from fuel tank.Each supply pressure that improves fluid can promote axle sleeve and piston component moves to the cutter head front end face, causes module and attached cutter radial to move inward, thereby finishes the cutting circulation of a cutter head.
Another technical solution of the present utility model is as follows:
A kind of cutter tip is characterized in that it comprises:
A cutter head main body, it has front/rear end and a hollow shaft that ends at spindle nose from rear end face backward; Described front end face has numerous grooves, and radially adjusting module is housed in each groove, cutter and module is housed on module has a radially outer cam surface;
An axle sleeve, therefore it is looped around the cutter head main body and has an inner surface, has numerous cam surfaces that cooperate with the module cam surface on the described inner surface, makes the axially-movable of axle sleeve be converted into the radial motion of module;
A piston, it is positioned at hollow shaft and is fixed on the axle sleeve by the groove on the hollow shaft, so that axle sleeve and piston axially moving in the flute length scope along described axle jointly;
A push rod places between hollow shaft internal piston and the spindle nose;
A kind of fluid, it is got in touch with axle, so that a hydraulic pressure increment of described fluid produces pressure to piston and the axle sleeve that adheres to it to push rod, and make piston and the axle sleeve generation of adhering to it to the pressure of cutter head body front end face, thereby module is radially moved inward.
In above-mentioned two kinds of schemes, more optimize:
Described fluid is not limited only to: air, oil, the perhaps known typical case of the prior art fluid that can be used to cool off.
Described cutter is selected from following instrument: forming tool, threading tool, grooving cutter, copying tool, checkering tool, polishing tool.
The part of described fluid flows out from axle and is used for cooling off or lubricated cutter tip.
Perhaps, described fluid is sealed in the axle and can not leaks out from cutter tip.
Cutter head main body in the described cutter tip is columniform.
Described module axially and is radially all having cam surface in order to cooperate corresponding cam surface in the axle sleeve.
Compared with prior art, technique effect of the present utility model is as follows:
Described cutter tip reasonable in design, easy to operate, need not to increase extra means and the location can be installed and/or reinstall the location, each axially-movable of axle sleeve is finished by hydraulic pressure.
Description of drawings
Fig. 1 is the partial sectional view of cutter head;
Fig. 2 is the cutaway view of cutter head;
Fig. 3 is piston and the cutaway view of adjusting screw;
Fig. 4 is a perspective view of adjusting ring;
Fig. 5 is the perspective view of split ring;
Fig. 6 is the front view of axle sleeve and cutter head;
Fig. 7 is complete blade part exploded view.
The specific embodiment
Before specific explanations the utility model, should be noted in the discussion above that in view of the utlity model has other multiple specific embodiment its wording is only being described as purpose, and unrestricted, so the utility model be not limited to below CONSTRUCTED SPECIFICATION in the diagram.
As Fig. 1-7, some numerals are used to all parts in the assignment component, and the cutter head 10 in the diagram can use on the general equipment with rotation or fixed main shaft (not shown).The assembly of cutter head 10 has: the hollow knife head main body of front end face 12a and rear end face 12b, one has from rear end face and extends back and the hollow shaft 14 of terminal endoporus to spindle nose 14b.Hollow shaft 14 has an inner surface 14c, and an outer surface 14d is along axially have one or several groove 15 on the sidewall of axle 14.Outer surface 14d has a plane 14e near the spindle nose place, has a pressure relief opening 16 on the 14e of plane, near cutter head main body 12 a cannelure 14f is arranged, an axial notch 14g who extends to the 14b of spindle nose from cannelure 14f, as shown in Figure 7.Spindle nose 14b clamping on main shaft with hydraulic pressure supply equipment, a kind of as is well known in the art fluid (not shown) of medium from fuel tank.Axle sleeve 20 extends back and is looped around cutter head main body 12 outsides from rear end face 12a.Axle sleeve 20 has a cannelure 22.Axle sleeve 20 has comprised one or more grooves 24 that radially penetrate cannelure 22, shown in Fig. 6-7.Split ring 26 as shown in Figure 6, has at least one screwed hole 28 arranged in a straight line in groove 24 length, and split ring 26 can be engaged and be installed in the cannelure 22.Split ring 26 can be installed in the cannelure 22 reliably with screw 29.
In the hollow shaft 14 near axle upper groove 15 piston 30 is arranged, shown in Fig. 2-3, the small bore of piston 30 fully cooperates with hollow shaft 14 endoporus.Piston 30 has an axial screwed hole 32 and the smooth through hole 34 perpendicular to screwed hole 32.Screwed hole 32 on the piston 30 is used to install stroke and adjusts screw 36.Smooth through hole 34 is arranged in a straight line, make guider screw 38 pass a upper groove 15 backs like this and carry out screw-threaded engagement with screwed hole 28 on the split ring 26, and guider screw 26 cooperates the smooth through hole 34 that inserts on the pistons 30, as shown in Figure 2.Therefore, can axle sleeve 20 and piston 30 be tightened together with at least one guider screw 38.
Between hollow shaft 14 inner carriers 30 and spindle nose 14b is a push rod 40.Push rod 40 can carry out axially-movable in hollow shaft 14.The outer surface of push rod 40 and hollow shaft inner surface 14c fully seal, like this can be on the cross section of spindle nose 14b can produce enough pressure, thereby push rod 40 can be slided and " promotion " piston/sleeve assembly moves to the front end face 12a of cutter head main body 12 by liquid 18 pressure feeds from fuel tank.At least one O type circle 42 as shown in Figure 2, is used for the sealing between push rod 40 and the hollow shaft inner surface 14c.Expectation be that the extra fluid that passes through piston 40 can be used for the cooling of spindle nose and/or lubricated.Another kind of avatar is that piston 30 and push rod 40 effectively are combined into an integral body, and piston has increased corresponding all additional functionalities as previously described like this: fully seal with the inner surface 14c of hollow shaft 14, thereby obtain enough pressure increments by fluid 18.
Have numerous slots 44 on front end face 12a, shown in Figure 7 have four slots.The quantity of slot 44 is not limited in quantity four, can corresponding increase or minimizing if be used for the quantity of other occasion slots as described in together.The interface shape of each slot 44 is "T"-shaped, is used to install a forming module 46 with respective step.Has a suitable reliable cutter 48 on the module 46.Cutter comprises and is not limited in following kind: chaser, rotating blade, slotting cutter, polishing tool, checkering tool etc.In primary the embodiment, as shown in Figure 7, cutter comprises: a chaser 48a, a screw 48b and have the axle bush 48c of sawtooth.Each module 46 have one with axle sleeve 20 in the axial cam face 52 of axial cam face 54 mating reactions.Each module 46 is stretched out a pin 56 backward, can place the keyway 58 of front end face 12aT type groove 44 bottoms.58 li in each keyway has a spring 60 and piston head 62 and is used with the pin 56 that stretches out backward on the module 46.Therefore, when axle sleeve 20 during from the front end face 12a of cutter head main body 12 withdrawal, it is radially outward mobile together with additional cutter to control each module 46.Each has a screwed hole 63 near accommodating the keyway 58 of spring 60 and piston head 62, and screwed hole 63 and screw 63a can place keyway 58 with spring 60 and piston head 62 by after the screw-threaded engagement, therefore module 46 can be placed in the slot 44.Same spring 60 will keep cooperating between the dome face of module 46 and axle sleeve 20, by the effect cutter 48 of spring 60 can be in good time open or unclamp.Each module 46 also has the curved surface 46 of a cutter head circumferencial direction, and still, curved surface 64 is linearly at the cutter head depth direction, is used for radial cams face 66 mating reactions with axle sleeve 20.When carrying out relative the rotation, module 46 and attached cutter 48 can pass through accurately adjusted an amount of cutting at cutter head main body 12 and hollow shaft 20.
In hollow shaft 20, there is one to adjust circle 68,, has to the extended fixing alignment pin 70 of the rear end face 12b of cutter head main body 12 and a fixing latch 71 on the adjustment circle 68 as Fig. 1 and Fig. 4.Alignment pin 70 is positioned in the opening of the cutter head main body 12 rear end face 12b that can pack into.A floating bush 72 as shown in Figure 7, is restricted in the radial space 72b in the cutter head main body 12 by jump ring 72c.Alignment pin 70 passes floating buss 72, therefore, when allowing to carry out axially-movable between cutter head main body 12 and the adjustment ring 68, prevents the radial motion between them.Latch 71 makes between the rear end face 12b that adjusts ring 68 and cutter head main body 12 an intersegmental crack.Adjust ring 68 and limited in the motion of axle sleeve 20 on axially by a band shoulder screw 73, band shoulder screw 73 passes the keyway 74 adjusted on the ring 68 and carries out screw-threaded engagement with screwed hole on the axle sleeve 20, as shown in Figure 7.Keyway 74 allows to adjust ring 68 and axle sleeve 20 is rotated motion.Circular motion can be obtained by the adjustment screw among a pair of threaded openings 76a that is placed in hollow shaft 20 76, as shown in Figure 7.These are adjusted screw 76 and adjust the handle that protrudes 78 that encircles 68 alignment pins 70 on the opposites and are meshed.Handle 78 is packed into and is arranged in the groove 80 of axle sleeve 20 rear walls.By inwardly adjusting 76, one on these screws, another is outside, and adjusting ring 68 and cutter head main body 12 can be because the relative rotation between the connection generation of alignment pin and the axle sleeve 20.Rotatablely moving of this cutter head main body 12 can cause cutter 48 interior mutually towards workpiece or outside radial motion away from workpiece, according to adjusting requirement, because the radial cams face 66 on axle sleeve 20 mentioned above is meshed with the curved surface 64 of module 46, this just means, cutter 48 can be adjusted, and is used to process the suitable diameter workpiece.When an amount of adjustment was finished, one or more lock screws 82 were packed among the respective threaded opening 82a on the axle sleeve 20 and are tightened, and prevented axle sleeve 20 and adjusted relative motion between the ring 68, as shown in Figure 7.
Now, will be described with reference to 2, one more detailed motion processes of the utility model of figure.Fluid 18 is supplied with to hollow shaft 14 spindle nose 14b by the machine spindle (not shown), is full of and supercharging in hollow shaft 14.What fluid 18 brought has located push rod 40 in hollow shaft 14 internal pressures, causes push rod 40 to slide to cutter head main body 12 from the spindle nose 14b of hollow shaft 14.Because push rod 40 slides to cutter head 12, push rod 40 contacts and promote piston 30 forward end face 12a be close to and adhere to axle sleeve 20, so cutter is engaged to the workpiece (not shown).According to applicable cases, workpiece or cutter tip can exist the distance that reduces gradually to be rotated because workpiece and stroke are adjusted screw 36.When workpiece (not shown) and 36 engagements of stroke adjustment screw, the relative cutter head 10 of workpiece inwardly moves promotion pistons 30 and axle sleeve 20 assemblies backward away from cutter 48, and therefore, cutter head 10 is out of shape and cutter 48 is broken away from workpiece.One keeps piston 84, constrain in the radial hole of axle sleeve 20, with the travel limits of axle sleeve 20 in the length of axial notch 14g, as shown in Figure 7.Keep piston 84 to keep spring 84c that it is pressed in the axial notch 14g by constraint between maintenance screw 84b and the axle sleeve 20 and by one.Removed when workpiece, the pressure of fluid 18 can increase, and therefore, need not to use outside reset mode, and the cutter head 10 of can resetting enters next cutting circulation.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all should be encompassed within the protection domain of the present utility model.
Claims (8)
1. cutter tip is characterized in that it comprises:
A cutter head main body, it has front/rear end and a hollow shaft that ends at spindle nose from rear end face backward; Described front end face has numerous grooves, and radially adjusting module is housed in each groove, cutter and module is housed on module has a radially outer cam surface;
An axle sleeve, therefore it is looped around the cutter head main body and has an inner surface, has numerous cam surfaces that cooperate with the module cam surface on the described inner surface, makes the axially-movable of axle sleeve be converted into the radial motion of module;
A piston, it is positioned at hollow shaft and is fixed on the axle sleeve by the groove on the hollow shaft, so that axle sleeve and piston axially moving in the flute length scope along described axle jointly;
A kind of fluid, it is got in touch with axle, so that a hydraulic pressure increment of described fluid produces pressure to the cutter head front end face to piston and axle sleeve, thereby causes radially inwardly motion of module.
2. cutter tip is characterized in that it comprises:
A cutter head main body, it has front/rear end and a hollow shaft that ends at spindle nose from rear end face backward; Described front end face has numerous grooves, and radially adjusting module is housed in each groove, cutter and module is housed on module has a radially outer cam surface;
An axle sleeve, therefore it is looped around the cutter head main body and has an inner surface, has numerous cam surfaces that cooperate with the module cam surface on the described inner surface, makes the axially-movable of axle sleeve be converted into the radial motion of module;
A piston, it is positioned at hollow shaft and is fixed on the axle sleeve by the groove on the hollow shaft, so that axle sleeve and piston axially moving in the flute length scope along described axle jointly;
A push rod places between hollow shaft internal piston and the spindle nose;
A kind of fluid, it is got in touch with axle, so that a hydraulic pressure increment of described fluid produces pressure to piston and the axle sleeve that adheres to it to push rod, and make piston and the axle sleeve generation of adhering to it to the pressure of cutter head body front end face, thereby module is radially moved inward.
3. cutter tip according to claim 1 and 2 is characterized in that:
Described fluid is an air, oil or cooling fluid.
4. cutter tip according to claim 1 and 2 is characterized in that:
Described cutter is selected from following instrument: forming tool, threading tool, grooving cutter, copying tool, checkering tool, polishing tool.
5. cutter tip according to claim 1 and 2 is characterized in that:
The part of described fluid flows out from axle and is used for cooling off or lubricated cutter tip.
6. cutter tip according to claim 1 and 2 is characterized in that:
Described fluid is sealed in the axle and can not leaks out from cutter tip.
7. cutter tip according to claim 1 and 2 is characterized in that:
Cutter head main body in the described cutter tip is columniform.
8. cutter tip according to claim 1 and 2 is characterized in that:
Described module axially and is radially all having cam surface in order to cooperate corresponding cam surface in the axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201428748U CN201659294U (en) | 2010-03-25 | 2010-03-25 | Cutting tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201428748U CN201659294U (en) | 2010-03-25 | 2010-03-25 | Cutting tool bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201659294U true CN201659294U (en) | 2010-12-01 |
Family
ID=43229703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201428748U Expired - Lifetime CN201659294U (en) | 2010-03-25 | 2010-03-25 | Cutting tool bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201659294U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672212A (en) * | 2011-03-07 | 2012-09-19 | 钴碳化钨硬质合金公司 | Cutting tool including a locking screw and adapter with coolant delivery |
| WO2020258347A1 (en) * | 2019-06-25 | 2020-12-30 | 苏州迈卡孚工业科技有限公司 | Industrial tool for punching and polishing |
-
2010
- 2010-03-25 CN CN2010201428748U patent/CN201659294U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102672212A (en) * | 2011-03-07 | 2012-09-19 | 钴碳化钨硬质合金公司 | Cutting tool including a locking screw and adapter with coolant delivery |
| CN102672212B (en) * | 2011-03-07 | 2016-02-03 | 钴碳化钨硬质合金公司 | Comprise the cutting tool of lock screw and the adaptive joint with coolant feed |
| WO2020258347A1 (en) * | 2019-06-25 | 2020-12-30 | 苏州迈卡孚工业科技有限公司 | Industrial tool for punching and polishing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101201 |