CN213614383U

CN213614383U - Lengthened PCD spiral blade end milling cutter

Info

Publication number: CN213614383U
Application number: CN202022818339.6U
Authority: CN
Inventors: 杨晓飞
Original assignee: Shanghai Shantian Cutting Tool Co ltd
Current assignee: Shanghai Shantian Cutting Tool Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-06
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a lengthened PCD spiral sword end mill belongs to milling cutter technical field, and it includes the tool bit, the barrel has been cup jointed on the top of tool bit, the top on tool bit surface is provided with the stopper, the stopper joint is at the spacing inslot, the inner wall at the barrel is seted up to the spacing groove, the top joint of tool bit has the bearing. This elongated PCD spiral sword end mill, through setting up the bearing, the screw thread post, a screw thread section of thick bamboo, square groove, a spring, the movable rod, first connecting plate, second connecting plate and tooth, when the length of adjusting the tool bit, part first connecting plate and second connecting plate each other, it is rotatory to rotate the hand wheel and drive the screw thread post, make the screw thread post drive the tool bit upwards or downstream, adjust the length of tool bit, when accomplishing the regulation, loosen first connecting plate, the elasticity that the spring produced drives movable rod and first connecting plate upward movement, utilize tooth intermeshing to fix a position the screw thread post, thereby the length of stable and nimble regulation tool bit.

Description

Lengthened PCD spiral blade end milling cutter

Technical Field

The utility model belongs to the technical field of milling cutter, specifically be an elongated PCD spiral sword end mill.

Background

The end mill is the most used milling cutter on a numerical control machine tool, and cutting cutters are arranged on the cylindrical surface and the end surface of the end mill, and can cut simultaneously or independently. The milling device is mainly used for plane milling, square groove milling, step surface milling and profiling milling.

Most of the existing end mills are fixed in length, and in the using process, if the milling range is exceeded, the workpieces cannot be machined, and the milling cutters of different models need to be readjusted and positioned, so that the operation trouble is brought to continuous milling.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the utility model provides a lengthened PCD spiral sword end mill has solved current end mill majority and is the fixed length, at the in-process that uses, if surpass the milling process scope, then can't process the work piece, and through the milling cutter of changing different models, then need readjust the location to constantly mill the problem that has brought the troublesome poeration for lasting.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an elongated PCD spiral blade end mill comprises a cutter head, wherein a barrel is sleeved at the top end of the cutter head, a limiting block is arranged above the surface of the cutter head, the limiting block is clamped in a limiting groove, the limiting groove is formed in the inner wall of the barrel, a bearing is clamped at the top end of the cutter head, a threaded column is sleeved in the bearing, a threaded cylinder is in threaded connection with the surface of the threaded column, the threaded cylinder is clamped on the upper surface of the barrel, a square groove is formed in the upper surface of the threaded column, a spring is fixedly connected to the lower surface of the inner wall of the square groove, a movable rod is fixedly connected to the top end of the spring and is movably connected in the square groove, a first connecting plate is fixedly connected to the top end of the movable rod, a second connecting plate is arranged on the upper surface of the first connecting plate, a mounting rod is fixedly connected to the upper surface of the second connecting plate, clamping grooves, the lower part of the surface of the mounting rod is fixedly connected with the upper surface of the cylinder body through a connecting piece.

As a further aspect of the present invention: the quantity of stopper and spacing groove is four, and four stoppers are the cross range around the tool bit surface, four spacing grooves and four stopper looks adaptations.

As a further aspect of the present invention: the opposite surfaces of the first connecting plate and the second connecting plate are provided with teeth, and the two pairs of teeth are meshed in a staggered mode.

As a further aspect of the present invention: the connecting piece includes the ring body, the inner wall joint of ring body is in the below on installation rod surface, the equal fixedly connected with arc of the left and right sides of ring body lower surface, the equal fixed connection in the left and right sides of barrel upper surface of the lower surface of two arcs.

As a further aspect of the present invention: the top of screw thread post is provided with the hand wheel, the surface of hand wheel is provided with anti-skidding line.

As a further aspect of the present invention: the bottom joint of barrel has the rubber sleeve, the through-hole has been seted up to the position that the rubber sleeve lower surface corresponds the tool bit, the inner wall joint of through-hole is on the surface of tool bit.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this elongated PCD spiral edge end mill, through setting up the bearing, the screw thread post, a screw thread section of thick bamboo, square groove, a spring, the movable rod, first connecting plate, second connecting plate and tooth, when adjusting the length of tool bit, part first connecting plate and second connecting plate each other, it is rotatory to rotate the hand wheel and drive the screw thread post, under the effect of the bearing of a screw thread section of thick bamboo, make the screw thread post drive tool bit upwards or downstream, adjust the length of tool bit, when accomplishing the regulation, loosen first connecting plate, the elasticity that the spring produced drives movable rod and first connecting plate upward movement, utilize tooth intermeshing to fix a position the screw thread post, thereby the length of stable and nimble regulation tool bit.

2. This elongated PCD spiral sword end mill through setting up stopper and spacing groove, when guaranteeing the tool bit up-and-down motion in the barrel, can not rotate along with the screw thread post is rotatory, avoids the tool bit to take place the rotation phenomenon when the cutting to increase the stability of tool bit, guaranteed that the tool bit can normally work.

3. This lengthened PCD spiral blade end mill through setting up the rubber sleeve, utilizes the rubber sleeve to cup joint in the bottom of barrel, can prevent that the cutting waste material from getting into the barrel, causes the dead phenomenon of tool bit card to play the effect of sealed barrel bottom, make the work that the tool bit can be normal.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic top view of the cutting head of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the threaded post of the present invention;

fig. 4 is a schematic structural diagram of a first connecting plate of the present invention viewed from above;

FIG. 5 is a schematic three-dimensional structure of the connecting member of the present invention;

in the figure: 1 tool bit, 2 barrel, 3 stopper, 4 spacing groove, 5 bearings, 6 screw thread post, 7 screw thread section of thick bamboo, 8 square grooves, 9 springs, 10 movable rods, 11 first connecting plates, 12 second connecting plates, 13 tooth, 14 installation poles, 15 draw-in grooves, 16 connecting pieces, 161 ring body, 162 arc, 17 hand wheel, 18 rubber sleeve, 19 through-holes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-5, the utility model provides a technical solution: the utility model provides a lengthened PCD spiral blade end mill, including tool bit 1, barrel 2 has been cup jointed on the top of tool bit 1, the top on tool bit 1 surface is provided with stopper 3, stopper 3 joint is in spacing groove 4, the inner wall at barrel 2 is seted up to spacing groove 4, the top joint of tool bit 1 has bearing 5, threaded post 6 has been cup jointed in bearing 5, threaded post's 6 surperficial threaded connection has threaded barrel 7, threaded barrel 7 joint is at the upper surface of barrel 2, threaded post 6's upper surface has seted up square groove 8, the lower fixed surface of square groove 8 inner wall is connected with spring 9, spring 9's top fixedly connected with movable rod 10, movable rod 10 swing joint is in square groove 8, the top fixedly connected with first connecting plate 11 of movable rod 10, the upper surface of first connecting plate 11 is provided with second connecting plate 12, through setting up bearing 5, threaded post 6, threaded barrel 7, square groove 8, The length of the cutter head 1 is adjusted by separating the first connecting plate 11 and the second connecting plate 12 when the length of the cutter head 1 is adjusted, rotating the hand wheel 17 to drive the threaded column 6 to rotate, enabling the threaded column 6 to drive the cutter head 1 to move upwards or downwards under the action of the bearing 5 of the threaded cylinder 7, adjusting the length of the cutter head 1, loosening the first connecting plate 11 when the adjustment is completed, driving the movable rod 10 and the first connecting plate 11 to move upwards by the elastic force generated by the spring 9, positioning the threaded column 6 by utilizing the mutual meshing of the teeth 13, thereby stably and flexibly adjusting the length of the cutter head 1, the upper surface of the second connecting plate 12 is fixedly connected with the mounting rod 14, the left side and the right side of the surface of the mounting rod 14 are both provided with clamping grooves 15, the lower part of the surface of the mounting rod 14 is fixedly connected with the upper surface of the cylinder body 2 through the connecting piece 16, through setting up draw-in groove 15, be convenient for in mounting rod 14 joint mounting fixture, increased the stability of mounting rod 14 installation.

Specifically, as shown in fig. 1, the top of screw thread post 6 is provided with hand wheel 17, the surface of hand wheel 17 is provided with anti-skidding line, through setting up anti-skidding line, it is rotatory to be convenient for operate screw thread post 6, thereby the degree of difficulty of rotating screw thread post 6 has been reduced, the bottom joint of barrel 2 has rubber sleeve 18, through-hole 19 has been seted up to the position that rubber sleeve 18 lower surface corresponds tool bit 1, the inner wall joint of through-hole 19 is on the surface of tool bit 1, through setting up rubber sleeve 18, utilize rubber sleeve 18 to cup joint the bottom at barrel 2, can prevent that cutting waste material from getting into barrel 2, cause the dead phenomenon of tool bit 1 card, thereby play the effect in sealed barrel 2 bottom, make the work that tool bit 1 can.

Specifically, as shown in fig. 2, the quantity of stopper 3 and spacing groove 4 is four, four stoppers 3 are cross and arrange around the 1 surface of tool bit, four spacing grooves 4 and four stopper 3 looks adaptations, through setting up stopper 3 and spacing groove 4, when guaranteeing tool bit 1 up-and-down motion in barrel 2, can not rotate along with the rotation of screw post 6, avoid tool bit 1 to take place the rotation phenomenon when the cutting, thereby increased tool bit 1's stability, guaranteed that tool bit 1 can normally work.

Specifically, as shown in fig. 4, the opposite surfaces of the first connecting plate 11 and the second connecting plate 12 are provided with teeth 13, and two pairs of teeth 13 are engaged with each other in a staggered manner, and by providing the first connecting plate 11, the second connecting plate 12 and the teeth 13, the movable rod 10 and the threaded column 6 are positioned by using the engagement of the teeth 13 on the first connecting plate 11 and the second connecting plate 12, and when the first connecting plate 11 and the second connecting plate 12 are separated from each other, the threaded column 6 can be flexibly rotated.

Specifically, as shown in fig. 5, connecting piece 16 includes ring body 161, and ring body 161's inner wall joint is in the below on installation pole 14 surface, the equal fixedly connected with arc 162 of the left and right sides of ring body 161 lower surface, the equal fixed connection of the lower surface of two arcs 162 is in the left and right sides of barrel 2 upper surface, through setting up connecting piece 16, make installation pole 14 and barrel 2 mutual fixed connection together, provide the activity space for screw post 6 simultaneously, thereby guaranteed that screw post 6 normally works.

The utility model discloses a theory of operation does:

during the use, when the length of tool bit 1 needs to be adjusted, first connecting plate 11 and second connecting plate 12 part, it is rotatory to drive threaded post 6 through rotating hand wheel 17, under the effect of screw thread section of thick bamboo 7, make threaded post 6 up-and-down motion drive tool bit 1 up-and-down motion through bearing 5, when adjusting the length of tool bit 1, loosen first connecting plate 11, the elasticity that spring 9 produced drives movable rod 10 and first connecting plate 11 upward movement, make tooth 13 on the first connecting plate 11 and the tooth 13 intermeshing on the second connecting plate 12, the position of injecing threaded post 6.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An elongated PCD helical edge end mill comprising a cutter head (1), characterized in that: the tool bit is characterized in that a barrel body (2) is sleeved at the top end of the tool bit (1), a limiting block (3) is arranged above the surface of the tool bit (1), the limiting block (3) is connected in a limiting groove (4), the limiting groove (4) is formed in the inner wall of the barrel body (2), a bearing (5) is connected at the top end of the tool bit (1), a threaded column (6) is sleeved in the bearing (5), a threaded cylinder (7) is connected to the surface of the threaded column (6) in a threaded manner, the threaded cylinder (7) is connected to the upper surface of the barrel body (2) in a clamped manner, a square groove (8) is formed in the upper surface of the threaded column (6), a spring (9) is fixedly connected to the lower surface of the inner wall of the square groove (8), a movable rod (10) is fixedly connected to the top end of the spring (9), the movable rod (10) is movably connected in the square groove (8), and a first, the upper surface of first connecting plate (11) is provided with second connecting plate (12), the last fixed surface of second connecting plate (12) is connected with installation pole (14), draw-in groove (15) have all been seted up to the left and right sides on installation pole (14) surface, the upper surface fixed connection of connecting piece (16) and barrel (2) is passed through to the below on installation pole (14) surface.

2. An elongated PCD helical edge end mill according to claim 1, characterised in that: the number of the limiting blocks (3) and the limiting grooves (4) is four, the four limiting blocks (3) are arranged on the periphery of the surface of the tool bit (1) in a cross mode, and the four limiting grooves (4) are matched with the four limiting blocks (3).

3. An elongated PCD helical edge end mill according to claim 1, characterised in that: the opposite surfaces of the first connecting plate (11) and the second connecting plate (12) are provided with teeth (13), and the two pairs of teeth (13) are meshed with each other in a staggered mode.

4. An elongated PCD helical edge end mill according to claim 1, characterised in that: connecting piece (16) include ring body (161), the inner wall joint of ring body (161) is in the below on installation pole (14) surface, the equal fixedly connected with arc (162) of the left and right sides of ring body (161) lower surface, the equal fixed connection in the left and right sides of barrel (2) upper surface of the lower surface of two arcs (162).

5. An elongated PCD helical edge end mill according to claim 1, characterised in that: the top of screw thread post (6) is provided with hand wheel (17), the surface of hand wheel (17) is provided with anti-skidding line.

6. An elongated PCD helical edge end mill according to claim 1, characterised in that: the bottom joint of barrel (2) has rubber sleeve (18), through-hole (19) have been seted up to the position that rubber sleeve (18) lower surface corresponds tool bit (1), the inner wall joint of through-hole (19) is on the surface of tool bit (1).