CN204584922U - A kind of lathe grinding processing unit (plant) of carbide alloy body cylindrical circular arc king bolt groove - Google Patents

A kind of lathe grinding processing unit (plant) of carbide alloy body cylindrical circular arc king bolt groove Download PDF

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Publication number
CN204584922U
CN204584922U CN201520136459.4U CN201520136459U CN204584922U CN 204584922 U CN204584922 U CN 204584922U CN 201520136459 U CN201520136459 U CN 201520136459U CN 204584922 U CN204584922 U CN 204584922U
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slide
bistrique
motor
longitudinal
circular arc
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CN201520136459.4U
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苏华
谷亩
史恋涛
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CHENGDU KELITIE SINTERED CARBIDE Co Ltd
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CHENGDU KELITIE SINTERED CARBIDE Co Ltd
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Abstract

The utility model discloses a kind of lathe grinding processing unit (plant) of carbide alloy body cylindrical circular arc king bolt groove, comprise motor, bistrique, longitudinal feed mechanism, transverse feed mechanism and motor mount; Longitudinal feed mechanism comprises the longitudinal slide be arranged on vehicle body slide rail, and longitudinal slide internal fixtion is provided through feed screw nut's part of turning machine screw; Transverse feed mechanism comprises the cross slide be slidably mounted on longitudinal slide, is provided with the feed screw nut's assembly driving cross slide to slide between cross slide and longitudinal slide; Motor mount is provided with and compresses mount pad latch segment, mount pad latch segment is threaded with cross slide through motor mount; Motor is fixedly mounted on motor mount, and bistrique is fixed on the output shaft of motor.Lathe grinding processing unit (plant) of the present utility model is applicable to engine lathe and numerically controlled lathe, for the external spiral groove of processing rigid alloy product, is easy to processing.

Description

A kind of lathe grinding processing unit (plant) of carbide alloy body cylindrical circular arc king bolt groove
Technical field
The utility model belongs to carbide alloy manufacturing technology field, is specifically related to a kind of lathe grinding processing unit (plant) of carbide alloy body cylindrical circular arc king bolt groove.
Background technology
Carbide alloy pressed compact cylindrical spiral fluted can be realized by special mold pressing or the processing of carbide alloy pressed compact vehicle to be shaped, but pressed compact sinters end article into can produce larger heterogeneity contraction, so be difficult to ensure to produce shrink after sintering cemented carbide goods cylindrical spiral fluted size and the accuracy of form and position, therefore sintering cemented carbide goods cylindrical helicla flute is only had and has been processed by postorder.Due to the extreme hardness of sintering cemented carbide goods, processing rigid alloy sintering goods cylindrical helicla flute can not be carried out with traditional turning processing method, sintering cemented carbide goods cylindrical helicla flute can only be processed with mill processing and electric spark, spark machined processing cost is high, working (machining) efficiency is low, therefore only has mill processing to be only preferred postorder processing mode.
Annular groove can be ground on carbide alloy cylindrical by traditional mill processing method, due to wheel grinding outline line can and helicla flute parallax produce and disturb, effectively cannot control the groove width of grinding, so grinding cylindrical helicla flute can not be used for by traditional mill processing method.There is certain market demand with cylindrical circular arc spiral fluted hard metal article, nature proposes requirement to the solution of sintering cemented carbide goods cylindrical circular arc spiral fluted process technology.
Utility model content
The purpose of this utility model is: the problem being difficult to the external round arc king bolt groove of processing rigid compo pipe for prior art, a kind of lathe grinding processing unit (plant) of carbide alloy body cylindrical circular arc king bolt groove is provided, be installed on lathe, the revolution axial line of bistrique and the revolution axial line of carbide alloy body are a slanted angle, achieve and rely on the next accurate grinding of the running of lathe mechanism to go out carbide alloy body cylindrical circular arc helicla flute.
To achieve these goals, the technical solution adopted in the utility model is:
A lathe grinding processing unit (plant) for carbide alloy body cylindrical circular arc king bolt groove, comprises motor, bistrique, longitudinal feed mechanism, transverse feed mechanism and motor mount; Longitudinal feed mechanism comprises the longitudinal slide be arranged on vehicle body slide rail, and longitudinal slide internal fixtion is provided through feed screw nut's part of turning machine screw; Transverse feed mechanism comprises the cross slide be slidably mounted on longitudinal slide, is provided with the feed screw nut's assembly driving cross slide to slide between cross slide and longitudinal slide; Motor mount is provided with and compresses mount pad latch segment, mount pad latch segment is threaded with cross slide through motor mount; Motor is fixedly mounted on motor mount, and bistrique is fixed on the output shaft of motor; Bistrique employing excircle grinding position is the circular arc bistrique of circular arc.
Preferably, described feed screw nut's assembly comprises the horizontal drive lead screw and cross lead screw nut that mutually screw togather, horizontal drive lead screw is arranged in longitudinal slide, and horizontal drive lead screw end winding support is provided with lateral adjustments handle, and cross lead screw nut is fixed in cross slide.
Preferably, described bistrique thickness is identical with circular arc spiral fluted width to be processed.
Preferably, described bistrique employing cylindricalo grinding position is the circular arc bistrique of circular arc.
Owing to have employed technique scheme, the beneficial effects of the utility model are:
1. lathe grinding processing unit (plant) of the present utility model can use on numerically controlled lathe and engine lathe.
2. lathe grinding processing unit (plant) of the present utility model not only can be used for carrying out the processing of sintering cemented carbide goods cylindrical circular arc spiral fluted, can also be used to carry out the processing of other shape spiral fluteds of sintering cemented carbide goods cylindrical.
Accompanying drawing explanation
Fig. 1 is lathe grinding processing unit (plant) installment state schematic diagram of the present utility model.
Fig. 2 is carbide alloy sleeve product structural representation of the present utility model.
Fig. 3 is lathe grinding processing unit (plant) side view of the present utility model.
Fig. 4 is the A-A sectional view of Fig. 3.
Fig. 5 is the B-B sectional view of Fig. 3.
Fig. 6 is the C-C sectional view of Fig. 3.
Fig. 7 is lathe grinding processing unit (plant) machining state top view of the present utility model.
Mark in figure: 10-bistrique, 20-motor, 30-motor mount, 40-mount pad latch segment, 50-transverse feed mechanism, 51-cross slide, 52-cross lead screw nut, the horizontal drive lead screw of 53-, 54-lateral adjustments handle, 60-longitudinal feed mechanism, the longitudinal slide of 61-, 62-feed screw nut's part, 71-turning machine screw, 72-vehicle body slide rail, 80-plug, 90-carbide alloy sleeve product.
Detailed description of the invention
The shaft center line of conventional mill processing bistrique and product to be processed axis of rotation line parallel, bistrique is vertical with product to be processed shaft center line.Helicla flute product has larger spiral evolute angle, and in order to ensure the linear velocity of grinding, bistrique has larger diameter, the groove ground due to the interference of bistrique profile with routine mill processing mode mill helicla flute is wider than bistrique width, its width will be decided jointly by product diameter, the product helicla flute degree of depth, spiral evolute angle and grinding wheel diameter, and this brings great difficulty just to processing and control.
With reference to Fig. 1-7, the angle α 2 that bistrique 10 shaft center line of the present utility model and lathe spindle shaft center line are formed, angle α 1 between the spiral evolute of hart metal product and the vertical line of lathe spindle shaft center line, α 1 equals α 2, make bistrique 10 that the embedding helicla flute of former external form can be kept to carry out grinding, avoid aforesaid interference completely.Feed is completed by longitudinal feed mechanism 60 and transverse feed mechanism 50, grinding breach ovalize on lathe spindle shaft center line horizontal plane, the helicla flute arc of tilting screw evolute angle is circular, the vertical feed value of transverse feed mechanism 50 and the feeding equivalence of the helicla flute circular arc degree of depth.
A kind of carbide alloy body cylindrical spiral fluted lathe grinding processing unit (plant) of the present utility model, comprises motor 20, bistrique 10, longitudinal feed mechanism 60, transverse feed mechanism 50 and motor mount 30.Longitudinal feed mechanism 60 comprises the longitudinal slide 61 be arranged on vehicle body slide rail 72, and longitudinal slide 61 internal fixtion is provided through feed screw nut's part 62 of turning machine screw 71.Transverse feed mechanism 50 comprises the cross slide 51 be slidably mounted on longitudinal slide 61, is provided with the feed screw nut's assembly 52,53 driving cross slide 51 to slide between cross slide 51 and longitudinal slide 61.Motor mount 30 is provided with and compresses mount pad latch segment 40, mount pad latch segment 40 is threaded with cross slide 51 through motor mount 30.Motor 20 is fixedly mounted on motor mount 30, bistrique 10 is fixed on the output shaft of motor 20, when unclamping mount pad latch segment 40, i.e. and adjustable motor 20 setting angle in the horizontal plane, after adjusting, then by mount pad latch segment 40, motor mount 30 is locked.Bistrique 10 adopts excircle grinding position to be the circular arc bistrique 10 of circular arc, and bistrique 10 thickness is identical with circular arc spiral fluted width to be processed.
Feed screw nut's assembly 52,53 comprises the horizontal drive lead screw 53 and cross lead screw nut 52 that mutually screw togather, horizontal drive lead screw 53 is arranged in longitudinal slide 61, and horizontal drive lead screw 53 end winding support is provided with lateral adjustments handle 54, cross lead screw nut 52 is fixed in cross slide 51.
Bistrique 10 and vertically moving of motor 20 have been adjusted by longitudinal feed mechanism 60, rotate turning machine screw 71, then longitudinal slide 61 can vertically move under the effect of turning machine screw 71 and feed screw nut's part 62, thus drives the transverse feed mechanism 50 on longitudinal slide 61, motor 20 and bistrique 10 all can vertically move.Bistrique 10 and vertically moving of motor 20 have been adjusted by transverse feed mechanism 50, rotate lateral adjustments handle 54, then horizontal drive lead screw 53 rotates, at horizontal drive lead screw 53 with under the effect of cross lead screw nut 52, drive cross slide 51 to move, thus drive motor mount 30, motor 20 and bistrique 10 transverse shifting on cross slide 51.Motor 20 and bistrique 10 setting angle in the horizontal plane have then been come by mount pad latch segment 40, when unclamping mount pad latch segment 40, i.e. adjustable motor 20 setting angle in the horizontal plane, after adjusting, then is locked motor mount 30 by mount pad latch segment 40.
Be described further below by way of the processing method of specific embodiment to the lathe grinding processing unit (plant) of utility model:
Embodiment 1:
Hard alloy YG6, the carbide alloy sleeve product 90 that outer diameter D is 25.4 ㎜, length is 38.1 ㎜, its cylindrical spiral fluted pitch S is 25.4 ㎜, and circular arc r is 3 ㎜.
With plug 80 milled excircle dimension, put on cylindrical circular arc spiral fluted sintering cemented carbide goods to be processed and tighten up, plug 80 1 lathe spindle chuck clamps, plug 80 other end tail stock withstands, by lathe grinding processing unit (plant) of the present utility model, bistrique 10 shaft center line and lathe spindle shaft center line are fixed in same level, D, S brings formula tg α 1=S/ π D into, tg α 1=25.4/ π 25.4, draw the angle α 1 between the spiral evolute of hart metal product and the vertical line of lathe spindle shaft center line, α 1=17 ° 40 ', the angle α 2 again bistrique 10 shaft center line is adjusted between lathe spindle shaft center line is 17 ° 40 ', the grinding position of bistrique 10 is accomplished the circular arc of r=3 ㎜, fixing on the output shaft of bistrique 10 mounted motor 20 of circular arc, the pitch of lathe is set as 25.4 ㎜, start lathe and bistrique 10, tool setting is completed with the longitudinal feed mechanism 60 of lathe grinding processing unit (plant) and transverse feed mechanism 50, the groove depth feed with helicla flute degree of depth equivalence has been carried out with transverse feed mechanism 50, be that 0.03 ㎜ cutting data completes processing with each depth of cut.
Embodiment 2:
Hard alloy YG6, the carbide alloy sleeve product 90 that outer diameter D is 24 ㎜, length is 30 ㎜, its cylindrical spiral fluted pitch S is 20 ㎜, and circular arc r is 3 ㎜.
With plug 80 milled excircle dimension, put on cylindrical circular arc spiral fluted sintering cemented carbide goods to be processed and tighten up, plug 80 1 lathe spindle chuck clamps, plug 80 other end tail stock withstands, by lathe grinding processing unit (plant) of the present utility model, bistrique 10 shaft center line and lathe spindle shaft center line are fixed in same level, D, S brings formula tg α 1=S/ π D into, tg α 1=20/ π 24, draw the angle α 1 between the spiral evolute of hart metal product and the vertical line of lathe spindle shaft center line, α 1=14 ° 51 ', the angle α 2 again bistrique 10 shaft center line is adjusted between lathe spindle shaft center line is 14 ° 51 ', the grinding position of bistrique 10 is accomplished the circular arc of r=3 ㎜, fixing on the output shaft of bistrique 10 mounted motor 20 of circular arc, the pitch of lathe is set as 20 ㎜, start lathe and bistrique 10, tool setting is completed with the longitudinal feed mechanism 60 of lathe grinding processing unit (plant) and transverse feed mechanism 50, the groove depth feed with helicla flute degree of depth equivalence has been carried out with transverse feed mechanism 50, be that 0.03 ㎜ cutting data completes processing with each depth of cut.
Embodiment 3:
Hard alloy YG6, the carbide alloy sleeve product 90 that outer diameter D is 35 ㎜, length is 50 ㎜, its cylindrical spiral fluted pitch S is 25 ㎜, and circular arc r is 5 ㎜.
With plug 80 milled excircle dimension, put on cylindrical circular arc spiral fluted sintering cemented carbide goods to be processed and tighten up, plug 80 1 lathe spindle chuck clamps, plug 80 other end tail stock withstands, by lathe grinding processing unit (plant) of the present utility model, bistrique 10 shaft center line and lathe spindle shaft center line are fixed in same level, D, S brings formula tg α 1=S/ π D into, tg α 1=25/ π 35, draw the angle α 1 between the spiral evolute of hart metal product and the vertical line of lathe spindle shaft center line, α 1=12 ° 49 ', the angle α 2 again bistrique 10 shaft center line is adjusted between lathe spindle shaft center line is 12 ° 49 ', the grinding position of bistrique 10 is accomplished the circular arc of r=5 ㎜, fixing on the output shaft of bistrique 10 mounted motor 20 of circular arc, the pitch of lathe is set as 25 ㎜, start lathe and bistrique 10, tool setting is completed with the longitudinal feed mechanism 60 of lathe grinding processing unit (plant) and transverse feed mechanism 50, the groove depth feed with helicla flute degree of depth equivalence has been carried out with transverse feed mechanism 50, be that 0.03 ㎜ cutting data completes processing with each depth of cut.

Claims (4)

1. the lathe grinding processing unit (plant) of a carbide alloy body cylindrical circular arc king bolt groove, it is characterized in that, comprise motor (20), bistrique (10), longitudinal feed mechanism (60), transverse feed mechanism (50) and motor mount (30); Longitudinal feed mechanism (60) comprises the longitudinal slide (61) be arranged on vehicle body slide rail (72), and longitudinal slide (61) internal fixtion is provided through feed screw nut's part (62) of turning machine screw (71); Transverse feed mechanism (50) comprises the cross slide (51) be slidably mounted on longitudinal slide (61), is provided with the feed screw nut's assembly (52,53) driving cross slide (51) to slide between cross slide (51) and longitudinal slide (61); Motor mount (30) is provided with and compresses mount pad latch segment (40), mount pad latch segment (40) is threaded with cross slide (51) through motor mount (30); Motor (20) is fixedly mounted on motor mount (30), and bistrique (10) is fixed on the output shaft of motor (20); Bistrique (10) adopts excircle grinding position and helicla flute to be processed to have the bistrique (10) of same shape.
2. lathe grinding processing unit (plant) according to claim 1, it is characterized in that, described feed screw nut's assembly (52,53) comprises the horizontal drive lead screw (53) and cross lead screw nut (52) that mutually screw togather, horizontal drive lead screw (53) is arranged in longitudinal slide (61), and horizontal drive lead screw (53) end winding support is provided with lateral adjustments handle (54), cross lead screw nut (52) is fixed in cross slide (51).
3. lathe grinding processing unit (plant) according to claim 1, is characterized in that, described bistrique (10) thickness is identical with circular arc spiral fluted width to be processed.
4. lathe grinding processing unit (plant) according to claim 1, is characterized in that, described bistrique (10) employing cylindricalo grinding position is the circular arc bistrique of circular arc.
CN201520136459.4U 2015-03-10 2015-03-10 A kind of lathe grinding processing unit (plant) of carbide alloy body cylindrical circular arc king bolt groove Active CN204584922U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105729272A (en) * 2016-04-25 2016-07-06 芜湖强振汽车紧固件有限公司 Machining device for adjusting bolts
CN107717690A (en) * 2017-11-07 2018-02-23 深圳市元隆德科技有限公司 A kind of grinding wheel regulating mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105729272A (en) * 2016-04-25 2016-07-06 芜湖强振汽车紧固件有限公司 Machining device for adjusting bolts
CN107717690A (en) * 2017-11-07 2018-02-23 深圳市元隆德科技有限公司 A kind of grinding wheel regulating mechanism

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