CN201086106Y

CN201086106Y - Combined tool bit for shaping internal gear

Info

Publication number: CN201086106Y
Application number: CNU2007201292835U
Authority: CN
Inventors: 施能嘉
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-23
Filing date: 2007-08-23
Publication date: 2008-07-16
Anticipated expiration: 2017-08-23

Abstract

The utility model relates to a combined cutter for molding inner gears, which utilizes a cutter die engaged with a die holder to produce inner gears. The cutter die comprises a central rod, a plurality of cutters, a plurality of spaced rings, a positioning column, an externally-threaded tube and a locking tube. The central rod is shaped as a long rod with at least one edge configured as positioning edge. The externally-threaded tube and the locking tube are arranged at the upper end of the central rod. The positioning column is arranged at the lower end of the central rod. The center of the cutter is provided with a mating hole with toothed blade in the circumference. The toothed blades of the cutters are different from one another and arranged at different depths from the bottom to the top. The toothed blade of the tiptop cutter has full depth. With the structure, the cutter for molding inner gears has the advantages of replacement of damaged cutter without shutdown, low cost and easy maintenance.

Description

The modular cutting tool assembly of moulding internal gear

Technical field

The utility model relates to a kind of " modular cutting tool assembly of moulding internal gear " that is used for a large amount of machining interal, You Zhiqi is at the cutter structure intensity of shaping internal gear and assembleability improvement design in addition, make its cutting more smooth, and the moulding of structure is firm simply again, and conveniently upgrades or sharpen.

Background technology

Because of on the industry need with competition, the manufacturing mode of many commodity also changes thereupon, can produce and produce cheap advantage in a large number, and the structure of internal gear is abundant, and the number of teeth is many, therefore a large amount of productions are comparatively difficult, but the demand of gear is big, must try every possible means and be quantized to produce, therefore mode with extruding has just been arranged, with half-finished internal gear in regular turn via the land of the cutter of different tooth depths, with the progressive mode internal gear that is shaped, as Fig. 7, shown in 8, its cutting die 10 is that the one cutting forming goes out, and in form via the heat treatment sclerosis afterwards, this mainly is to be used in to cut on the cutting die 10 to be provided with most roads chip area 11, makes 11 of each chip area and chip areas be formed with cutter 12, this each cutter 12 from bottom to top has gradually dark land in regular turn, with the arrangement of progressive mode, go up a cutter 12 most and then have complete land, in addition cutting die 10 is provided with a reference column 13 bottom.

Its use is to be positioned on the die holder 30 with half-finished internal gear 20, internal gear 20 has an endoporus 21, again cutting die 10 is vertically stood up in endoporus 21 with reference column 13, after pressing down with a pressing equipment on the die holder 30, cutting die 10 down can be dashed, make cutter 12 endoporus 21 by internal gear 20 one by one from shallow to deep, to cut depth of threat gradually in endoporus 21 peripheries.

The mode that this kind is progressive though can make internal gear easily be shaped in a large number fast again, is to use still to have following disappearance:

(1) the regular bump of the cutter 12 of cutting die 10, therefore having the situation that collapses tooth takes place, do not have the internal gear 20 that can't cut out enough depth of threats as having to change at once, right in cutting die 10 is designs of one, cutter 12 is positioned at middle different sections place again, so washing again of cutter 12 cut and inconvenience, degree of difficulty in the processing is arranged, and when a cutter 12 wherein damages when can't bear to use fully, this whole cutting die 10 just must be abandoned, and can't utilize again again.

(2) cutting die 10 is designs of one, and higher hardness must be arranged, internal gear 20 with cutting metal, so it is extremely very difficult will cutting complicated stratified moulding on the cutting die 10 of a high rigidity as can be known, even it is very short to use the material of high rigidity to process service life of therefore cutting die 10.

The utility model content

The purpose of this utility model is: the modular cutting tool assembly that discloses a kind of moulding internal gear, to overcome the cutter of known shaping internal gear, it is the design of one because of cutting die, therefore has the problem of processing difficulties and inconvenient maintenance, influences the service life of cutting die and the defective of hardness simultaneously.

For achieving the above object, technical solution of the present utility model is:

A kind of modular cutting tool assembly of moulding internal gear, it cooperates a die holder to process internal gear with a cutting die, the incomplete preceding center of moulding of internal gear is provided with an endoporus, die holder is provided with storage tank, this storage tank central authorities below is an Openworks shape, the one cutting die is by a center-pole, most cutters, most spacer rings, one reference column, an one outer screwed pipe and a lock knot pipe are formed, center-pole is an elongated rod shape, it is provided with a gulde edge in the position at least on one side, and the upper and lower side position also respectively is provided with a pin-and-hole, the center of cutter is provided with a mating holes, periphery then is provided with land, spacer ring is to have a thickness and default external diameter less than cutter, and the land of each cutter is all inequality, be from bottom to top to have gradually dark land to arrange in regular turn, and go up the land that a cutter has the complete degree of depth most, reference column is a default external diameter that is slightly less than cutter slightly, this is just to cooperate with the incomplete endoporus of internal gear, the reference column center is provided with a mating holes, and reference column has been used a latch, outer screwed pipe central authorities have a perforation, one position, stage casing is provided with a pin-and-hole and is combined with a latch, outer peripheral edges then are provided with external thread section, the center of lock knot pipe is equipped with internal thread hole, by said structure, make the cutter that is combined into the shaping internal gear.

The beneficial effect of the utility model contrast prior art:

(1) the utility model is the modular cutting tool assembly that the moulding internal gear is provided, its each cutter is to be respectively an assembly independently, this independently mode design, can change the wherein cutter of damage at any time, refilling intact cutter uses, should except that the processing with the work of not influencing is carried out, also have with low cost and advantage convenient for maintaining.

(2) the utility model is the modular cutting tool assembly that the moulding internal gear is provided, its each cutter is kenel independently, this can directly carry out the worn of breakage in separating the back on milling machine, can continue original cutting function after finishing again, and this is convenient for maintaining and can reusing not only.

(3) the utility model is the modular cutting tool assembly that the moulding internal gear is provided, its each cutter is kenel independently, therefore each cutter can be the design of different hardness, the arrangement mode of this hardness is can be according to the land degree of depth, shape of the internal gear of cutting different and change, can make cutter be not easy passivation, and can have the prolongation cutter life, have the advantage of better precision with the internal gear that cuts.

Description of drawings

Fig. 1: be three-dimensional combination figure of the present utility model;

Fig. 2: be three-dimensional exploded view of the present utility model;

Fig. 3: be combination front view of the present utility model;

Fig. 4: be combination section of the present utility model;

Fig. 5: be the stereoscopic motion figure of the utility model with cutter moulding internal gear;

Fig. 6: be the section action diagram of the utility model with cutter moulding internal gear;

Fig. 7: the stereo appearance figure that is existing cutter;

Fig. 8: the section action diagram that is existing cutter moulding internal gear.

The element numbers explanation

Partly existing:

Cutting die----10 chip areas----11

Cutter----12 reference columns----13

Internal gear----20 endoporus-----21

Die holder-----30

The utility model part:

Internal gear----20 endoporus-----21

Die holder----30B storage tank----31

Cutting die----40 center-poles----50

Gulde edge----51 pin-and-holes-----52

Pin-and-hole----53 cutters-----60

Mating holes----61 lands-----62

Spacer ring----600 chip areas----601

Reference column----70 mating holes----71

Latch----72 outer screwed pipes----80

Perforation----81 pin-and-holes-----82

Latch----83 external thread section---84

Lock knot pipe----90 internal thread hole---91

The specific embodiment

Understand and understanding for making can have further the purpose of this utility model, feature and effect, below now please the conjunction with figs. description details as the back:

At first, please cooperated with Fig. 5 by Fig. 1,2 earlier and see it, it is to cooperate a die holder 30 to process internal gear 20 with a cutting die 40, and the incomplete preceding center of moulding of internal gear 20 is provided with an endoporus 21, and die holder 30 is provided with storage tank 31, and these storage tank 31 central authorities belows are Openworks shape.

One cutting die 40 is by a center-pole 50, most cutters 60, most spacer rings 600, one reference column 70, one outer

screwed pipe

80 and 90 compositions of a lock knot pipe, center-pole 50 is elongated rod shape, it is provided with a gulde edge 51 in the position at least on one side, and the upper and lower side position also respectively is provided with a pin-and-

hole

52,53, the center of cutter 60 is provided with a mating holes 61, periphery then is provided with land 62, spacer ring 600 is to have a thickness and default external diameter less than cutter 60, and the tooth 62 of each cutter 60 is all inequality, be from bottom to top to have gradually dark land to arrange in regular turn, and go up the land 62 that a cutter 60 has the complete degree of depth most, reference column 70 is default external diameters that are slightly less than cutter 60 slightly, this is just to cooperate with the uncompleted endoporus 21 of internal gear 20, reference column 70 centers are provided with a mating holes 71, and reference column 70 has been used a latch 72, outer screwed pipe 80 central authorities have a perforation 81, one position, stage casing is provided with a pin-and-hole 82 and is combined with a latch 83, outer peripheral edges then are provided with external thread section 84, and the center of lock knot pipe 90 is equipped with internal thread hole 91.

The combination of its structure, as Fig. 1,3, shown in 4, reference column 70 is the following fragment position that are arranged in center-pole 50 with mating holes 71, and on pin-and-hole 53, pin-and-hole 53 plugs with latch 72 again, make that reference column 70 is unlikely down to drop, 60 on each cutter is to cooperate spacer ring 600, mode with a spacer ring 600 1 cutters 60 is arranged on the reference column 70 of center-pole 50, cutter 60 also reaches the purpose of restriction direction with the gulde edge 51 of center-pole 50 with the mating holes 61 of

cutter

60, and 60 on two cutters also are formed with chip area 601 with spacer ring 600, cutter 60 is below and with fixed the ending of reference column 70 restrictions, outer screwed pipe 80 is 81 to be sheathed on center-pole 50 epimeres to bore a hole, in cutter 60, spacer ring 600 tops, and with two pin-and-holes 52, after 82 alignment, wore by latch 83, make outer screwed pipe 80 be fixed in center-pole 50 upper end section, lock knot pipe 90 is the external thread sections 84 that are sheathed on outer screwed pipe 80 with internal thread hole 91, and downward packing cutter 60 and spacer ring 600.

Wherein, each cutter 60 is designs of different hardness, and the arrangement mode of this hardness is can be according to the land degree of depth, shape of the internal gear 20 of cutting different and change.

Wherein, the reference column 70 of center-pole 50 lower end sections, this is to make with 50 one cuttings of center-pole, and pin-and-hole 53, mating holes 71, latch 72 needn't be set.

Wherein, the outer screwed pipe 80 of center-pole 50 upper end section, this is to make with 50 one cuttings of center-pole, and pin-and-hole 52, perforation 81, pin-and-hole 82, latch 83 needn't be set, and the external diameter of this outer screwed pipe 80 is can be less than the mating holes 61 of cutter 60.

Wherein, spacer ring 600 is to make with 60 one cuttings of cutter, Yi Bian the spacer ring 600 that wherein directly is provided with protrusion of cutter 60.

It is to the machine-shaping of internal gear 20, as Fig. 5, shown in 6, uncompleted internal gear 20 is that storage tank 31 places that are arranged at die holder 30 are fixed, cutting die 40 is to be inserted in the endoporus 21 of not finishing internal gear 20 with reference column 70, to make cutting die 40 uprightly erect, the lower end is provided with a reference column 70, then, after pressing down with a pressing equipment on the die holder 30, cutting die 40 is down dashed, and each cutter 60 that makes cutting die 40 one by one by the endoporus 21 of internal gear 20, cuts land in endoporus 21 peripheries with the land 62 of periphery from shallow to deep gradually, make to be shaped to an internal gear 20, the cutting die 40 after finishing is promptly dropped by storage tank 31 belows of die holder 30.

Its lock knot pipe of outwarding winding is after 90s, is can directly change the wherein cutter 60 of damage with this with cutter 60 by taking off in regular turn on the center-pole 50.

Its cutter 60 is by being a kenel independently after taking off on the center-pole 50, and this can directly carry out the worn of breakage on milling machine, can continue original cutting function after finishing again.

Borrow the structure of above-mentioned specific embodiment, can obtain following benefit: its each cutter 60 is to be respectively an assembly independently, this independently mode design, can change the wherein cutter 60 of damage at any time, refilling intact cutter 60 uses, should except that the processing with the work of not influencing is carried out, also have with low cost and advantage convenient for maintaining; Its each cutter 60 is kenel independently, and this can directly carry out the worn of breakage in separating the back on milling machine, can continue original cutting function after finishing again, and this is convenient for maintaining and can reusing not only; Its each cutter 60 is kenel independently, therefore each cutter 60 can be the design of different hardness, the arrangement mode of this hardness is can be according to the land degree of depth, shape of the internal gear 20 of cutting different and change, and can have 60 life-spans of cutter of prolongation, has the advantage of better precision with the internal gear 20 that cuts.

In sum, the utility model has reached breakthrough structural design really, and has the novel content of improvement, can reach simultaneously usability and progressive on the industry again, and the utility model do not see any publication, also have a novelty, when the regulation that meets the relevant law of Patent Law, the whence proposes novel patent application in accordance with the law, earnestly asks the juror of an ancient unit of weight office and authorizes legal monopoly power, and most sense is prayed.

The above only is a preferred embodiment of the present utility model, when can not with the scope implemented of qualification the utility model; Promptly the equalization of being done according to the utility model claim generally changes and modifies, and all should still belong in the scope that the protection of the utility model claim contains.

Claims

1. the modular cutting tool assembly of a moulding internal gear, the one cutting die is made up of a center-pole, most cutter and a lock knot pipe institute, it is characterized in that:

Center-pole is an elongated rod shape, and it is provided with a gulde edge in the position at least on one side, and the lower end section is provided with a reference column, and reference column is the external diameter less than cutter, and upper end section is provided with external thread section; The center of cutter is provided with a mating holes, and periphery then is provided with land, Yi Bian cutter wherein is provided with a spacer ring in addition, the land of each cutter is all inequality, and being from bottom to top has gradually dark land to arrange in regular turn, and goes up the land that a cutter has the complete degree of depth most; The center of lock knot pipe is equipped with internal thread hole;

Pass through said structure, each cutter is to be arranged on the reference column of center-pole, cutter also reaches the purpose of restriction direction with the gulde edge of center-pole with the mating holes of cutter, and be formed with chip area between two cutters and with spacer ring, each cutter also terminates on the reference column surely, lock knot pipe is to be sheathed on external thread section with internal thread hole, downwards packing cutter and spacer ring.

2. the modular cutting tool assembly of moulding internal gear according to claim 1 is characterized in that, described cutter is the separate mode setting with spacer ring on one side.

3. the modular cutting tool assembly of moulding internal gear according to claim 1 is characterized in that, described cutter spacer ring on one side is to make in the one mode.

4. the modular cutting tool assembly of moulding internal gear according to claim 1, it is characterized in that, the reference column of described center-pole lower end is the separate mode setting, center-pole is to be provided with a pin-and-hole in lower end position, and is suitable with a latch, and the center of reference column is provided with a mating holes, reference column is the following fragment position that is arranged in center-pole with mating holes, on pin-and-hole, pin-and-hole is to plug with latch, and reference column is unlikely to drop to limit.

5. the modular cutting tool assembly of moulding internal gear according to claim 1 is characterized in that, the reference column of described center-pole lower end is to make in the one mode.

6. the modular cutting tool assembly of moulding internal gear according to claim 1, it is characterized in that, the external thread section that described center-pole upper end section is provided with is located on the outer screwed pipe, and screwed pipe combines fixing with the center-pole upper end section in addition, outer screwed pipe central authorities have a perforation, one position, stage casing is provided with a pin-and-hole and is combined with a latch, and outer peripheral edges then are that outer screwed pipe is to be sheathed on the center-pole epimere with perforation for the external thread section setting, to wear latch after the alignment of two pin-and-holes, make outer screwed pipe be fixed in the center-pole upper end section.

7. the modular cutting tool assembly of moulding internal gear according to claim 1 is characterized in that, described each cutter is the design of different hardness.