CN210967342U

CN210967342U - Elastic cutter bar capable of enabling cutter to rotate according to helix angle

Info

Publication number: CN210967342U
Application number: CN201922212900.3U
Authority: CN
Inventors: 赵宏伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-10
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses an elastic cutter bar which can lead a cutter to rotate according to a helix angle, and can increase or change the rigidity of the opening of the cutter bar according to the elastic requirements of the turning of different workpieces on the cutter bar by replacing a proper elastic sleeve, thereby meeting the requirements of the processing precision on the rigidity of different cutter bars, playing a damping role on the vibration during the turning and reducing the vibration; the elasticity can be relieved through a fixing plate, and rigid contact is adopted; the tool is fixed through the cover plate, the jackscrew and the cutter pressing rod, the contact between the cutter pushing block and the cutter adjusting block is changed, and the insertion depth of the tool can be adjusted; the positioning ring is arranged, so that the axis can be aligned more accurately.

Description

Elastic cutter bar capable of enabling cutter to rotate according to helix angle

Technical Field

The utility model relates to an elasticity cutter arbor specifically is a can make cutter press helix angle pivoted elasticity cutter arbor, belongs to processing cutter technical field.

Background

In the machining operation of a machine tool, when a worm, a trapezoidal thread and other helical surfaces with a large helix angle are turned, the angle of a front cutter face of a turning tool is required to be changed frequently so as to turn the helical surfaces along the normal direction of the helical surfaces. In order to adjust the installation angle of the front tool face of the turning tool conveniently, an elastic tool bar capable of rotating according to a helix angle needs to be used.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide an elastic cutter bar for rotating a cutter according to a helix angle in order to solve the above-mentioned problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose one kind and can make cutter press helix angle pivoted elasticity cutter arbor, including cutter arbor, elastic sleeve, pressure cutter arbor, knife adjustment screw, fixed plate, pull rod, cutter arbor seat and apron, be provided with the elastic sleeve on the cutter arbor, the cutter arbor front end is provided with the sword jack, insert the cutter in the sword jack, push away sword piece and knife adjustment piece have been placed to cutter inner, the cutter side is fixed on the cutter arbor through the apron, the apron passes through the apron fix with screw on the cutter arbor lateral wall, the cutter upper end compresses tightly through pressing the cutter arbor, press the cutter arbor to pass through the knife adjustment fix with screw in the cutter arbor upper end, the pull rod is installed to the cutter arbor rear end, the pull rod inserts in the cutter arbor seat and passes, the pull rod tip is provided with the threaded rod, screw thread mounting nut on the threaded rod is fixed pull rod and cutter arbor.

Preferably, the cutter bar is provided with two cutter pressing holes, two ends of the cutter pressing bar are respectively inserted into the two cutter pressing holes and press the upper end of the cutter, a cutter pressing screw is installed on the upper end of the cutter pressing bar in a threaded manner, and the end part of the cutter pressing screw is in threaded connection with the upper end face of the cutter bar.

Preferably, push away sword piece one end and the contact of cutter inner, accent sword piece one end and the inside contact of sword jack, push away sword piece and accent sword piece contact surface and be the inclined plane, accent sword piece one side and the contact of accent sword screw tip, accent sword screw from cutter arbor bottom screw thread insert in the sword jack, an accent sword piece side passes through spring and cutter arbor inside contact.

Preferably, a fixing plate groove is formed in the bottom of the cutter bar, a fixing plate is arranged in the fixing plate groove, the fixing plate spans over the elastic sleeve, one end of the fixing plate is fixed on the cutter bar through a fixing plate screw, an elongated groove is formed in the other end of the fixing plate, and a fixing plate screw is inserted into the elongated groove to fix the other end of the fixing plate on the cutter bar.

Preferably, the end part of the pull rod fixed with the cutter bar is provided with an inclined plane, the inner side of the end part of the cutter bar seat contacted with the cutter bar is provided with an inclined plane, and the end part of the pull rod contacted with the cutter bar seat is contacted with the inclined plane.

Preferably, the cutter bar is provided with a positioning ring, and the positioning ring is inserted into a ring groove arranged on the cutter bar seat.

Preferably, a jackscrew is inserted and installed on the cover plate, and the inner end of the jackscrew props against the cutter.

Preferably, the contact position of the cutter bar and the cutter bar seat is provided with a positioning scale.

The utility model has the advantages that: the elastic cutter bar capable of rotating the cutter according to the helix angle provided by the utility model can change the rigidity of the opening of the cutter bar according to the elastic requirements of turning of different workpieces on the cutter bar, and can increase or change the rigidity of the opening of the cutter bar, meet the requirements of machining precision on the rigidity of different cutter bars, and can play a damping role on the vibration during turning to reduce the vibration; the elasticity can be relieved through a fixing plate, and rigid contact is adopted; the tool is fixed through the cover plate, the jackscrew and the cutter pressing rod, the contact between the cutter pushing block and the cutter adjusting block is changed, and the insertion depth of the tool can be adjusted; the positioning ring is arranged, so that the axis can be aligned more accurately.

Drawings

FIG. 1 is a schematic front view of the internal structure of the present invention;

FIG. 2 is a view A-A shown in FIG. 1;

FIG. 3 is a schematic front view of the external structure of the present invention;

fig. 4 is a first perspective view of the present invention;

fig. 5 is a second perspective view of the present invention.

In the figure: 1. the cutter comprises a cutter bar, 2, an elastic sleeve, 3, a cutter pressing hole, 4, a cutter pressing bar, 5, a cutter pressing screw, 6, a cutter, 7, a cutter insertion hole, 8, a push cutter block, 9, a cutter adjusting block, 10, a cutter adjusting screw, 11, a fixing plate, 12, a positioning ring, 13, a pull rod, 14, a cutter bar seat, 15, a threaded rod, 16, a nut, 17, a cover plate, 18, a cover plate screw, 19, a jackscrew, 20, a fixing plate screw, 21, positioning scales, 22 and a fixing plate groove.

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.

Referring to fig. 1-5, an elastic cutter bar for rotating a cutter according to a helix angle includes a cutter bar 1, an elastic sleeve 2, a cutter pressing bar 4, a cutter adjusting screw 10, a fixing plate 11, a pull rod 13, a cutter bar seat 14 and a cover plate 17.

The elastic sleeves 2 are arranged on the cutter bar 1, the number of the elastic sleeves 2 is two, the elastic sleeves 2 are made of 65Mn steel, the quenching hardness is 45-55HRC, the rigidity of the opening of the cutter bar can be increased or changed by replacing a proper elastic sleeve according to the elastic requirements of turning of different workpieces on the cutter bar, the requirements of machining precision on the rigidity of different cutter bars are met, the vibration during turning can be damped, and the vibration is reduced. The cutter bar 1 is made of 45 steel, and the quenching hardness is 35-40 HRC. A cutter insertion hole 7 is formed in the front end of the cutter bar 1, a cutter 6 is inserted into the cutter insertion hole 7, the side edge of the cutter 6 is fixed on the cutter bar 1 through a cover plate 17, the inner side of the cover plate 17 abuts against the cutter 6, the cover plate 17 is fixed on the side wall of the cutter bar 1 through a cover plate screw 18, a jackscrew 19 is inserted and installed on the cover plate 17, the inner end of the jackscrew 19 abuts against the cutter 6, and further the side edge of the cutter 6 can be further fixed; the upper end of the cutter 6 is compressed tightly through the cutter pressing rod 4, the cutter pressing rod 4 is fixed at the upper end of the cutter rod 1 through the cutter pressing screw 5, two cutter pressing holes 3 are formed in the cutter rod 1, two ends of the cutter pressing rod 4 are respectively inserted into the two cutter pressing holes 3, the upper end of the cutter 6 is pressed, the cutter 6 is further fixed, the cutter pressing screw 5 is installed at the upper end of the cutter pressing rod 4 in a threaded mode, the end portion of the cutter pressing screw 5 is in threaded connection with the upper end face of the cutter rod 1, and the pressure of the cutter pressing rod 4 on the cutter 6 is clamped through the.

Push away sword piece 8 and knife adjustment piece 9 have been placed to 6 inner ends of cutter, push away the contact of 8 one ends of sword piece and 6 inner ends of cutter, knife adjustment piece 9 one end and 7 internal contact of sword jack, push away sword piece 8 and knife adjustment piece 9 contact surface are the inclined plane, knife adjustment piece 9 one side and the contact of knife adjustment screw 10 tip, knife adjustment screw 10 is followed 1 bottom screw of cutter arbor and is inserted in sword jack 7, rotate knife adjustment screw 10, it inwards moves and promotes the 8 lateral shifting of sword piece of pushing away to promote knife adjustment piece 9, get into the insertion length of adjusting cutter 6, knife adjustment piece 9 side passes through spring and 1 internal contact of cutter arbor, be convenient for adjust the return of sword piece 9.

The rear end of the cutter bar 1 is provided with a pull rod 13, the pull rod 13 is inserted into the cutter bar seat 14 and penetrates through the cutter bar seat 14, the end part of the pull rod 13 is provided with a threaded rod 15, a nut 16 is arranged on the threaded rod 15 in a threaded mode, and the pull rod 13 and the cutter bar seat 14 are fixed through the clamping nut 16.

The bottom of the cutter bar 1 is provided with a fixed plate groove 22, a fixed plate 11 is arranged in the fixed plate groove 22, the fixed plate 11 spans across the elastic sleeve 2, one end of the fixed plate 11 is fixed on the cutter bar 1 through a fixed plate screw 20, the other end of the fixed plate 11 is provided with a long groove, the fixed plate screw 20 is inserted into the long groove to fix the other end of the fixed plate 11 on the cutter bar 1, the elastic action of the elastic sleeve 2 can be relieved after the fixed plate 11 is installed, rigid contact is adopted, and the cutter bar is suitable.

The end part of the pull rod 13 fixed with the cutter bar 1 is provided with an inclined plane, the inner side of the end part of the cutter bar seat 14 contacted with the cutter bar 1 is provided with an inclined plane, the pull rod 13 and the cutter bar seat 14 are contacted through the inclined plane at one end part, and then the pull rod 13 is convenient to be tensioned.

The cutter bar 1 is provided with a positioning ring 12, and the positioning ring 12 is inserted into a ring groove arranged on the cutter bar seat 14, so that the axis can be positioned more accurately.

The contact position of the cutter bar 1 and the cutter bar seat 14 is provided with a positioning scale 21, and the cutter bar 1 can rotate by an angle of accurate degree.

When the utility model is used, firstly, the pull rod 13 is inserted into the cutter bar seat 14 and is clamped and fixed through the nut 16, when the cutter bar 1 needs to rotate by an angle, the nut 16 is unscrewed, the positioning scale 21 is seen, and then the nut 16 is screwed; after the process is finished, a cutter 6 is inserted into the cutter insertion hole 7, the side edge of the cutter 6 is fixed on the cutter bar 1 through a cover plate 17, the inner side of the cover plate 17 props against the cutter 6, the inner end of a jackscrew 19 props against the cutter 6, and the side edge of the cutter 6 is further fixed; two ends of the cutter pressing rod 4 are respectively inserted into the two cutter pressing holes 3, the upper end of the cutter 6 is pressed, the cutter pressing screw 5 is rotated, the cutter pressing rod 4 presses the upper end of the cutter 6, and the cutter 6 is fixed transversely and longitudinally; the inner end of the cutter 6 is provided with a push-type cutter block 8 and a cutter adjusting block 9, and a cutter adjusting screw 10 is rotated to push the cutter adjusting block 9 to move inwards and push the push-type cutter block 8 to move transversely so as to adjust the insertion length of the cutter 6.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a can make cutter according to spiral lead angle pivoted elasticity cutter arbor, includes cutter arbor (1), elastic sleeve (2), presses cutter arbor (4), accent sword screw (10), fixed plate (11), pull rod (13), cutter arbor seat (14) and apron (17), its characterized in that: the utility model discloses a cutter bar, including cutter arbor (1), cutter bar (6), push away sword piece (8) and accent sword piece (9) have been placed to cutter (6) inner, cutter (6) side is fixed on cutter arbor (1) through apron (17), apron (17) are fixed on cutter arbor (1) lateral wall through apron screw (18), cutter (6) upper end compresses tightly through pressing cutter arbor (4), press cutter arbor (4) to fix in cutter arbor (1) upper end through pressing cutter screw (5), pull rod (13) is installed to cutter arbor (1) rear end, pull rod (13) insert in cutter arbor seat (14) and pass, pull rod (13) tip is provided with threaded rod (15), threaded mounting nut (16) on threaded rod (15), the pull rod (13) and the cutter bar seat (14) are fixed.

2. The resilient tool holder for rotating a tool at a helix angle as set forth in claim 1, wherein: the cutter is characterized in that two cutter pressing holes (3) are formed in the cutter bar (1), two ends of the cutter pressing bar (4) are inserted into the two cutter pressing holes (3) respectively and press the upper end of a cutter (6), a cutter pressing screw (5) is installed on the upper end of the cutter pressing bar (4) in a threaded mode, and the end portion of the cutter pressing screw (5) is in threaded connection with the upper end face of the cutter bar (1).

3. The resilient tool holder for rotating a tool at a helix angle as set forth in claim 1, wherein: push away sword piece (8) one end and cutter (6) inner contact, transfer sword piece (9) one end and sword jack (7) internal contact, push away sword piece (8) and transfer sword piece (9) contact surface and be the inclined plane, transfer sword piece (9) one side and transfer sword screw (10) tip contact, transfer sword screw (10) from cutter arbor (1) bottom screw insert in sword jack (7), transfer sword piece (9) one side and pass through spring and cutter arbor (1) internal contact.

4. The resilient tool holder for rotating a tool at a helix angle as set forth in claim 1, wherein: the tool bar fixing device is characterized in that a fixing plate groove (22) is formed in the bottom of the tool bar (1), a fixing plate (11) is placed in the fixing plate groove (22), the fixing plate (11) spans over the elastic sleeve (2), one end of the fixing plate (11) is fixed to the tool bar (1) through a fixing plate screw (20), the other end of the fixing plate (11) is provided with an elongated groove, and the fixing plate screw (20) is inserted into the elongated groove to fix the other end of the fixing plate (11) to the tool bar (1).

5. The resilient tool holder for rotating a tool at a helix angle as set forth in claim 1, wherein: the end part of the pull rod (13) fixed with the cutter bar (1) is provided with an inclined plane, the inner side of the end part of the cutter bar seat (14) contacted with the cutter bar (1) is provided with an inclined plane, and the pull rod (13) and the cutter bar seat (14) are contacted with each other through the inclined plane at one end part.

6. The resilient tool holder for rotating a tool at a helix angle as set forth in claim 1, wherein: the cutter bar (1) is provided with a positioning ring (12), and the positioning ring (12) is inserted into an annular groove formed in the cutter bar seat (14).

7. The resilient tool holder for rotating a tool at a helix angle as set forth in claim 1, wherein: the cover plate (17) is inserted with a jackscrew (19), and the inner end of the jackscrew (19) props against the cutter (6).

8. The resilient tool holder for rotating a tool at a helix angle as set forth in claim 1, wherein: the contact position of the cutter bar (1) and the cutter bar seat (14) is provided with a positioning scale (21).