CN207223001U - It is a kind of to be used for clamp of the clamping dise knife bar with keyway - Google Patents

Abstract

It is used for clamp of the clamping dise knife bar with keyway, including clip main body the utility model discloses a kind of, clip main body center is circular clamp hole, and diametrically while being provided with opening, clamp hole is diametrically installed with installing handle on the excircle of another side in clamp hole；Lower edge corresponds to and is provided with multipair joint hole in open outer end.The utility model has the advantages of simple structure, easy to operate, is achieved that on the basis of existing common apparatus and carries out turning to big step bulge inner cavity part.

Description

It is a kind of to be used for clamp of the clamping dise knife bar with keyway

Technical field

The utility model belongs to mechanical equipment manufacturing technology field, is related to and a kind of is used for card of the clamping dise knife bar with keyway Son.

Background technology

In the equipment such as high-rating generator, there is a kind of hollow axial workpiece of big step bulge inner cavity, as shown in Figure 1, by To run at high speed during the work time in it, it is high to intensity and dynamic balance requirement, so this bulge inner cavity will usually adopt It is machined out and is formed with integral material, while compared with the fabricated and structure of welded type, the bulge inner cavity of monoblock type Quill shaft also enhances the reliability of equipment operation.But common inner cavity method for turning can only process the inner cavity compared with small stair, Being more than the bulge inner cavity of 100mm steps for step dimension H can not process.

Therefore a kind of processing unit (plant) of big step bulge inner cavity is developed, realizes the efficient car of big step bulge inner cavity part Cut, become a technological difficulties of machine industry.

Utility model content

The purpose of this utility model be to provide it is a kind of be used for clamp of the clamping dise knife bar with keyway, solve in the prior art The problem of not having suitable frock, effective turning is difficult to big step bulge inner cavity part.

The utility model is the technical scheme adopted is that a kind of be used for clamp of the clamping dise knife bar with keyway, including clamp Main body, clip main body center are circular clamp hole, and clamp hole is diametrically while be provided with opening, clamp hole diametrically another side Installing handle is installed with excircle；Lower edge corresponds to and is provided with multipair joint hole in open outer end.

The utility model is used for clamp of the clamping dise knife bar with keyway, is further characterized in that：

The upper surface of the be open center line, the axial line in clamp hole and installing handle is contour.

The clamp hole inner wall is also machined with keyway.

The beneficial effects of the utility model are, simple in structure, easy to operate, can be real on the basis of existing common apparatus Turning now is carried out to big step bulge inner cavity part.

Brief description of the drawings

Fig. 1 is the sectional view of the utility model big step bulge inner cavity part to be processed；

Fig. 2 is the front view of the supporting folding type internal lathe-tool bar of the utility model；

Fig. 3 is the top view of Fig. 2；

Fig. 4 is the left view of Fig. 2；

Fig. 5 is the Section A-A sectional view (longitudinal knife bar 90-degree bent state) in Fig. 2；

Fig. 6 is the section B-B sectional view in Fig. 2；

Fig. 7 is sectional view when the supporting folding type internal lathe-tool bar of the utility model is not bent；

Fig. 8 is the front view of the utility model clamp；

Fig. 9 is the top view of Fig. 8；

Figure 10 is state front view when the utility model carries out turning；

Figure 11 is the top view of Figure 10.

In figure, 1. big step bulge inner cavity parts, 2. bulge shape endoporus, 3. cover boards, 4. dise knife bars, 5. supporting heads, 6. Supporting block, 7. longitudinal knife bars, 8. elongated slots, 9. axis pins one, 10. sliding blocks, 11. connecting plates, 12. axis pins two, 13. axis pins three, 14. spiral shells Mother, 15. long bolts, 16. feather keys, 17. lathe tools, 18. openings, 19. clamp holes, 20. installing handles, 21. joint holes, 22. keyways, 23. knife rest, 24. chucks, 25. centre frames.

Embodiment

The utility model is described in detail with reference to the accompanying drawings and detailed description.

Reference Fig. 1, is the cross section structure of the big step bulge inner cavity part 1 of the utility model processing object, in big step Need to process bulge shape endoporus 2 on bulge inner cavity part 1, the step dimension H of the bulge shape endoporus 2 is more than 100mm.Process In to ensure rigidity and easy access that frock is put in big step bulge inner cavity part 1, complete the turning of bulge shape endoporus 2.

The clamp of the utility model and folding type internal lathe-tool bar are supporting, common to coordinate the turning for completing processing object.

With reference to Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the structure of the supporting folding type internal lathe-tool bar of the utility model is, Including horizontal knife bar, horizontal knife bar is welded as one successively by the supporting head 5 of the cover board 3 of rear end, the dise knife bar 4 of interlude and front end Body, the axle center hole of cover board 3 is unthreaded hole, and long bolt 15 is installed with the unthreaded hole, nut is set with the exposed thread segment of long bolt 15 14 (axle center hole of cover board 3 is that unthreaded hole is not threaded hole, easy to inwardly promote long bolt 15 and by nut 14 fix long bolt 15 in-position)；Sliding sleeve is equipped with (cylinder) sliding block 10 in the inner cavity of dise knife bar 4,15 front end of long bolt with after sliding block 10 End is sequentially connected；The front end face of supporting head 5 is fixed with rest pad 6, the circumference of supporting head 5 in the horizontal direction side be longitudinally provided with it is logical Saturating long fluting, the length are provided with curved connecting plate 11 in slotting, rest pad 6 passes through axis pin 1 and 7 tail end of longitudinal knife bar (pivot point end) is hinged, and longitudinal middle part of knife bar 7 is hinged by axis pin 2 12 and 11 front end of connecting plate, and 11 rear end of connecting plate passes through Axis pin 3 13 is hinged with 10 front end of sliding block；Longitudinal 7 front end of knife bar is provided with cutter groove and is provided with lathe tool 17；Dise knife bar 4 it is cylindrical Week, any in the horizontal direction side surface was provided with feather key 16, the long fluting center of feather key 16 and supporting head 5 on dise knife bar 4 Line is coplanar in radial direction, for preventing longitudinal knife bar 7 from being rotated because of weighting and the influence of cutting force in clamp during workpieces processing；

Longitudinal knife bar 7 is provided with elongated slot 8 from middle part towards tail end, and rest pad 6, which is clamped in the elongated slot 8 of longitudinal knife bar 7, to be used in combination Axis pin 1 is hinged, and connecting plate 11 is also clamped in the elongated slot 8 of longitudinal knife bar 7 and, so longitudinal knife bar 7 hinged with axis pin 2 12 With axis pin 1 can be that fulcrum rotates with relatively transverse knife bar, axis pin 1 and axis pin 2 12 ensure that the rigidity of longitudinal knife bar 7, indulge Lathe tool 17 is installed into the cutter groove of 7 front end of knife bar, lathe tool 17 should ensure that the nose height and dise knife bar 4 of lathe tool 17 after installing Axis centre it is highly consistent, i.e. the axis of the height of point of a knife and dise knife bar 4 all should be with the revolution of the axis and lathe of workpiece If center is contour, when will influence the technological angle of cutter not contour, while feed on the amount of feeding and workpieces processing of lathe The actual amount of feeding there is deviation, see Fig. 4；Sliding block 10 can be slided under the push-and-pull action of long bolt 15 in the endoporus of dise knife bar 4 Dynamic, 11 both ends of connecting plate are hinged with longitudinal knife bar 7 and sliding block 10 respectively each via axis pin 2 12 and axis pin 3 13.

See Fig. 5, when folding type internal lathe-tool bar needs work, nut 14 of dismantling, long bolt 15 of outwards pulling back is from dise knife Slowly exited in the endoporus of bar 4, long bolt 15 drives longitudinal knife bar 7 to back rotation by sliding block 10 and connecting plate 11, until vertical It is vertical with the front end of supporting head 5 to knife bar 7, until longitudinal knife bar 7 is folded into maximum right angle condition；Then install and fix and grow Nut 14 on screw rod 15 so that long bolt 15 is reliably fixed, and ensures the job site situation reliable location of longitudinal knife bar 7.

See Fig. 7, when folding type internal lathe-tool bar needs to put in or exit in the endoporus of big step bulge inner cavity part 1, Dismantle nut 14 so that long bolt 15 promotes forward (i.e. to propulsion on the left of Fig. 7) in the endoporus of dise knife bar 4, long bolt 15 according to Sub-band movable slider 10 and connecting plate 11, which move forward, makes longitudinal knife bar 7 be rotated by 90 ° with axis pin 1 for fulcrum, until longitudinal knife bar 7 It is parallel longitudinal with dise knife bar 4, become longitudinal straight-bar state as shown in Figure 7, conveniently stretch into the interior of big step bulge inner cavity part 1 Kong Zhong.

With reference to Fig. 8 and Fig. 9, the clamp structures of the utility model are, including clip main body, and clip main body center is circular Clamp hole 19, diametrically while being provided with opening 18, clamp hole 19 is diametrically fixedly mounted on the excircle of another side in clamp hole 19 There is installing handle 20, i.e., installing handle 20 is separately positioned on diametrically opposite both sides with opening 18, and be open 18 center lines, clamp The axial line in hole 19 and the upper surface of installing handle 20 are contour when clip main body actual installation (i.e. be horizontality such as Fig. 8), with Make the center of dise knife bar 4 after installation high highly consistent with the horizontal lathe centre of gyration；The thickness C of installing handle 20 should be according to Knife side's height of used horizontal lathe determines；The diameter D in clamp hole 19 should determine according to the outside diameter d of dise knife bar 4, both Using the larger gap tolerance fit of H8/f7, it can not only meet fit precision but also so that mounting and adjusting is easier；Outside opening 18 Lower edge correspondence is provided with multipair joint hole 21 on end, and opening 18 and joint hole 21 are in order to which dise knife bar 4 and clip main body is firm closing Lean on；19 inner wall of clamp hole is also machined with keyway 22, and the effect of keyway 22 coordinates after being loaded into dise knife bar 4 with feather key 16, prevents Longitudinal knife bar 7 causes dise knife bar 4 to be rotated in clamp hole 19 because of weighting and the influence of cutting force.

The application method of the utility model is, with reference to Figure 10, Figure 11, on horizontal lathe, with folding type internal lathe-tool bar Match, be embodied according to following steps：

The dise knife bar 4 of folding type internal lathe-tool bar, be clamped in the clamp hole 19 of clip main body by step 1, and will lead Clamp well to key 16 and keyway 22, blocked the opening 18 in clamp hole 19 by each joint hole 21 using more one or two conjunction bolts Tightly so that dise knife bar 4 is fixed in clamp hole 19, then by the installing handle 20 of clip main body on the knife rest 23 of horizontal lathe It is firm to install, and the axial line of dise knife bar 4 and the centre of gyration of horizontal lathe are contour at this time, see Figure 10；

Should be in the case where meeting working position length during installation so that dise knife bar 4 forward extends out the length in clamp hole 19 It is as far as possible shorter, to improve rigidity of the folding type internal lathe-tool bar in turning process；

Step 2, by the big step bulge inner cavity part 1 of processed object chuck 24 and centre frame 25 in a manner of card holder It is loaded on horizontal lathe, and it is good according to centering benchmark centering, ensure axial line, the dise knife bar 4 of big step bulge inner cavity part 1 Axial line and lathe tool 17 nose part it is contour with the centre of gyration of horizontal lathe, see Figure 10；

Step 3, nut 14 of dismantling, long bolt 15 is promoted into the endoporus of dise knife bar 4, and long bolt 15 is successively with movable slider 10 and connecting plate 11 promote, longitudinal knife bar 7 is rotated by 90 ° with axis pin 1 for fulcrum, make the longitudinal direction of longitudinal knife bar 7 and dise knife bar 4 flat OK, become folded state as shown in Figure 7, folding type internal lathe-tool bar is entered in big step bulge by the translation of knife rest 23 In the endoporus of chamber part 1；Then retract long bolt 15 again, longitudinal knife bar 7 is returned with axis pin 1 for fulcrum and is rotated by 90 °, makes to indulge It is longitudinally perpendicular to knife bar 7 and dise knife bar 4, become turning state (bending state) as shown in Figure 5, nut 14 is tightened, along longitudinal direction Long bolt 15 is fixed, ensures that the bending state of longitudinal knife bar 7 is fixed reliably, sees Figure 11；

Step 4, start horizontal lathe, and chuck 24 drives big step bulge inner cavity part 1 to turn round, passes through the translation of knife rest 23 The lathe tool 17 of folding type internal lathe-tool bar is set to be moved to 2 inner surface of bulge shape endoporus of big step bulge inner cavity part 1, after knife Start to feed turning, after covering the first knife, the second knife of going further diametrically is fed according to drawing requirement；

So repeat, wanted until the size for being processed the bulge shape endoporus 2 of the big step bulge inner cavity part 1 of object reaches Ask.

Claims (1)

1. a kind of be used for clamp of the clamping dise knife bar with keyway, it is characterised in that including clip main body, clip main body center is circle The clamp hole (19) of shape, clamp hole (19) diametrically while being provided with opening (18), clamp hole (19) diametrically another side is cylindrical Installing handle (20) is installed with week；Lower edge, which corresponds to, on opening (18) outer end is provided with multipair joint hole (21)；The opening (18) center line, clamp hole (19) axial line and installing handle (20) upper surface it is contour；

Described clamp hole (19) inner wall is also machined with keyway (22).