CN217965158U - Milling cutter for thread machining - Google Patents

Abstract

The utility model relates to a thread machining cutter technical field discloses a milling cutter for thread machining, including milling cutter body and propelling ring, fixedly connected with handle of a knife in the through-hole of milling cutter body top, handle of a knife bottom fixedly connected with auger pole, auger pole bottom fixedly connected with cutter, outside a week that milling cutter body top inner wall is located the handle of a knife is provided with the arc surface. The utility model discloses in, through pushing the propelling movement ring, make the push rod move down in the spout, will prevent that the sprue from pushing the chip removal mouth in, prevent that the sprue from passing through the awl mouth with the iron fillings separation, the second spring in the groove will be prevented by the rethread and the sprue separates the inside iron fillings of chip removal mouth of carrying out, play and prevent stifled effect, promote the spacing ring through first spring at the spacing inslot upwards to slide at last, will prevent that the sprue from receiving the spout once more to make it can reset and carry out repetitious usage's effect, to sum up the effect of clean inside iron fillings is realized being convenient for through the chip removal and preventing blockking up the structure.

Description

Milling cutter for thread machining

Technical Field

The utility model relates to a thread machining cutter technical field especially relates to a milling cutter for thread machining.

Background

The thread milling technology is increasingly widely applied to machine manufacturing, the development of the industry is promoted, the application of the thread milling technology needs to pay attention to the applicable workpiece shape, the favorable processing scheme and the thread milling cutter with reliable quality, the advantages of the thread milling can be fully played and the effect can be obtained only by comprehensively applying the thread milling technology, meanwhile, the performance of a machine tool is fully shown, the production capacity of the thread milling cutter is promoted, but internal scrap iron cannot be discharged when most milling cutters are processed, and the effect of the processed workpiece is influenced.

Most milling cutters are when processing the screw thread to the work piece, and the cutter can lead to iron fillings to remain in milling cutter holistic inside because of the metal parts who polishes to make the inside jam of body, influence follow-up thread machining's precision, and influence the cutter rotation after the jam time has been of a specified duration, lead to the cutter fracture.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a milling cutter for thread machining.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a milling cutter for thread machining, includes milling cutter body and propelling ring, fixedly connected with handle of a knife in the through-hole of milling cutter body top, handle of a knife bottom fixedly connected with auger rod, auger rod bottom fixedly connected with cutter, outside a week that milling cutter body top inner wall is located the handle of a knife is provided with the arc surface, a plurality of chip removal mouths have evenly been seted up to the outside a week of milling cutter body, the spout has all been seted up on the top of chip removal mouth inside middle part side, the spacing groove has been seted up to the inside well side of spout, spacing inslot portion sliding connection has the spacing ring, spacing ring bottom fixedly connected with first spring, first spring bottom fixed connection is in the bottom of spacing groove, the inside fixedly connected with push rod of spacing ring, the outside sliding connection of push rod is in the inside of spout, the push rod bottom all rotates and is connected with a pair of anti-blocking piece, and every is right the relative one end of anti-blocking piece has all seted up and has accomodate the groove, inboard the equal fixedly connected with second spring of downside of accomodating groove one end, the other end fixed connection of second spring is in the outside accomodate the downside of groove one end, the push rod top is fixed connection in a week respectively.

As a further description of the above technical solution:

the outer portion of the milling cutter body is located above the chip removal port and is fixedly connected with a baffle.

As a further description of the above technical solution:

the baffle is obliquely arranged.

As a further description of the above technical solution:

the chip groove has all been seted up to the downside at the outside both ends of milling cutter body.

As a further description of the above technical solution:

the anti-blocking blocks are oppositely arranged.

As a further description of the above technical solution:

the auger rod is respectively coaxial with the cutter and the cutter handle.

As a further description of the above technical solution:

the anti-blocking block is matched with the sliding groove.

As a further description of the above technical solution:

the arc surface is communicated with the chip removal port.

The utility model discloses following beneficial effect has:

1. the utility model discloses in, connect the lathe through the handle of a knife, thereby drive milling cutter body and cutter rotation, the machined part that will process is put into milling cutter body inside and is carried on spacingly, the cutter rotates and bores the screw thread for the work piece, the iron fillings of getting bored discharge through the chip groove of both sides, difficult discharge's iron fillings upwards carry through the auger rod on cutter top, after iron fillings touch the arc surface on top, through high-speed pivoted centrifugal force with iron fillings through chip groove discharge, the baffle is used for the high-speed departure of check iron fillings, play the effect of blockking, if iron fillings are too much, lead to the inside jam of chip groove, pause lathe, through pushing the propelling movement ring according to pressure, make the push rod move down in the spout, push the chip groove with anti-blocking piece in, anti-blocking piece separates iron fillings through the taper mouth, the rethread receives the second spring in the groove with anti-blocking piece separately pushes away the inside iron fillings of chip groove, play the effect of anti-blocking, at last promote the spacing ring upwards sliding in spacing groove through first spring, in will anti-blocking piece receives again, thereby make it can carry out the effect of the spout once more times of using with the effect of cleaning of iron fillings.

Drawings

Fig. 1 is a front view structural diagram of a milling cutter for thread processing according to the present invention;

fig. 2 is a schematic perspective view of a cross-sectional structure of a milling cutter body for thread processing according to the present invention;

fig. 3 is a schematic perspective view of a section structure of the anti-blocking block of the milling cutter for thread processing provided by the utility model;

FIG. 4 is an enlarged view of FIG. 2 at A;

fig. 5 is an enlarged view of fig. 3 at B.

Illustration of the drawings:

1. a milling cutter body; 2. a chip groove; 3. a baffle plate; 4. a push ring; 5. a push rod; 6. a knife handle; 7. a chute; 8. a limiting ring; 9. a limiting groove; 10. a first spring; 11. an anti-blocking block; 12. a chip removal port; 13. a circular arc surface; 14. a screw rod; 15. a cutter; 16. a receiving groove; 17. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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 in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides an embodiment: a milling cutter for thread machining comprises a milling cutter body 1 and a push ring 4, a cutter handle 6 is fixedly connected in a through hole at the top end of the milling cutter body 1, a auger rod 14 is fixedly connected at the bottom end of the cutter handle 6, a cutter 15 is fixedly connected at the bottom end of the auger rod 14, an arc surface 13 is arranged on the inner wall of the top end of the milling cutter body 1 and positioned on the periphery of the outer part of the cutter handle 6, a plurality of chip removing ports 12 are uniformly arranged on the periphery of the outer part of the milling cutter body 1, sliding grooves 7 are respectively arranged at the top ends of the inner sides of the chip removing ports 12, a limiting groove 9 is arranged on the middle side of the inner part of the sliding groove 7, a limiting ring 8 is slidably connected in the limiting groove 9, a first spring 10 is fixedly connected at the bottom end of the limiting ring 8, a push rod 5 is fixedly connected in the limiting groove 9, the outer part of the push rod 5 is slidably connected in the sliding groove 7, a pair of anti-blocking blocks 11 are rotatably connected at the bottom end of the push rod 5, each pair of anti-blocking blocks 11 is provided with a containing groove 16 at the opposite end, the lower side of one end of the inner containing groove 16 is fixedly connected with a second spring 17, the other end of the second spring 17 is fixedly connected with the lower side of one end of the outer containing groove 16, the top end of a push rod 5 is respectively fixedly connected with one circle of the bottom end of a push ring 4, the machine tool is connected with a tool holder 6 to drive the milling cutter body 1 and a cutter 15 to rotate, a workpiece to be processed is placed in the milling cutter body 1 for limiting, the cutter 15 rotates to drill threads for the workpiece, the drilled iron filings are discharged through chip grooves 2 at two sides, the iron filings which are difficult to discharge are upwards conveyed through a auger rod 14 at the top end of the cutter 15, when the iron filings touch an arc surface 13 at the top end, the iron filings are discharged through a chip discharge port 12 by the centrifugal force rotating at high speed, a baffle plate 3 is used for blocking the iron filings from flying at high speed, and plays a blocking role, if iron fillings are too much, lead to the inside jam of chip removal mouth 12, pause the lathe, through pressing pushing ring 4, make push rod 5 move down in spout 7, will prevent in blockking up 11 pushes chip removal mouth 12, prevent blockking up 11 and separate iron fillings through the taper opening, the iron fillings inside chip removal mouth 12 are separately pushed away to second spring 17 in rethread receiving groove 16 with preventing blockking up 11, play the effect of preventing blocking up, promote spacing ring 8 upwards sliding in spacing groove 9 through first spring 10 at last, income spout 7 once more to prevent blockking up 11, thereby make it can reset and carry out repetitious usage's effect, to sum up and prevent blockking up the effect that the structure realization is convenient for clean inside iron fillings through the chip removal.

The top fixedly connected with baffle 3 that milling cutter body 1 outside was located chip removal mouth 12, come the fixed stop 3 positions through milling cutter body 1, the slope of baffle 3 sets up and is used for blockking that inside iron fillings are thrown away at a high speed, chip groove 2 has all been seted up to the downside at 1 outside both ends of milling cutter body, it prevents internal blocking to be used for discharging iron fillings, anti-blocking piece 11 sets up relatively, make anti-blocking piece 11 can rotate inside chip removal mouth 12, the effect of releasing iron fillings, auger rod 14 sets up with cutter 15 and handle of a knife 6 are coaxial respectively, make handle of a knife 6 drive cutter 15 and auger rod 14 better rotate, anti-blocking piece 11 and spout 7 looks adaptation, make anti-blocking piece 11 can take in inside spout 7, arc 13 is linked together with chip removal mouth 12, make the laminating of iron fillings play anti-blocking's effect through arc 13, discharge through chip removal mouth 12 at last.

The working principle is as follows: connect the lathe through handle of a knife 6, thereby drive milling cutter body 1 and cutter 15 rotation, the machined part that will process is put into milling cutter body 1 inside and is spacing, cutter 15 rotates and bores the screw thread for the work piece, the iron fillings of getting bore discharge through chip groove 2 of both sides, difficult discharge iron fillings carry out the upwards transport through the auger rod 14 on cutter 15 top, after iron fillings touch the arc surface 13 on top, through high-speed pivoted centrifugal force with iron fillings through chip groove 12 discharge, baffle 3 is used for the high-speed departure of check iron fillings, play the effect of blockking up, if too much iron fillings, lead to the inside jam of chip groove 12, the pause lathe, push ring 4 through pressing, make push rod 5 move down in spout 7, push anti-blocking piece 11 into chip groove 12, anti-blocking piece 11 separates the iron fillings through the taper mouth, rethread second spring 17 in holding groove 16 will anti-blocking piece 11 separately pushes away the inside iron fillings inside chip groove 12, play the effect of anti-blocking spring, promote at last through first spring 8 in spacing groove 9, thereby it can realize through the effect of anti-blocking iron fillings that the clearance piece slides once more in the spout 11 and the clearance piece that prevents blocking up the clearance piece that the clearance groove is convenient for many times that slides once more.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a milling cutter for thread machining, includes milling cutter body (1) and thrust ring (4), its characterized in that: the milling cutter is characterized in that a cutter handle (6) is fixedly connected in a through hole at the top end of the milling cutter body (1), a auger rod (14) is fixedly connected at the bottom end of the auger rod (14), a cutter (15) is fixedly connected at the bottom end of the auger rod (14), an arc surface (13) is arranged on the inner wall of the top end of the milling cutter body (1) and positioned on the outer periphery of the cutter handle (6), a plurality of chip removing ports (12) are uniformly formed on the outer periphery of the milling cutter body (1), a sliding groove (7) is formed in the top end of the inner side of each chip removing port (12), a limiting groove (9) is formed in the inner middle side of each sliding groove (7), a limiting ring (8) is slidably connected in each limiting groove (9), a first spring (10) is fixedly connected at the bottom end of each limiting ring (8), a push rod (5) is fixedly connected in each sliding groove (7), a pair of anti-blocking blocks (11) is rotatably connected at the bottom end of each anti block (11), a second blocking groove (16) is fixedly connected at the other end of each anti block (11), and a second blocking groove (17) is connected at the inner side of each anti-blocking groove (17), the top end of the push rod (5) is respectively and fixedly connected with the bottom end of the push ring (4) in a circle.

2. The milling cutter for thread machining according to claim 1, wherein: the outer part of the milling cutter body (1) is fixedly connected with a baffle (3) above the chip removal port (12).

3. The milling cutter for thread machining according to claim 2, wherein: the baffle (3) is obliquely arranged.

4. The milling cutter for thread machining according to claim 1, wherein: chip grooves (2) are formed in the lower sides of the two outer ends of the milling cutter body (1).

5. The milling cutter for thread machining according to claim 1, wherein: the anti-blocking blocks (11) are oppositely arranged.

6. The milling cutter for thread machining according to claim 1, wherein: the auger rod (14) is respectively coaxial with the cutter (15) and the cutter handle (6).

7. The milling cutter for thread machining according to claim 1, wherein: the anti-blocking block (11) is matched with the sliding groove (7).

8. The milling cutter for thread machining according to claim 1, wherein: the arc surface (13) is communicated with the chip removal port (12).

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