CN209936372U

CN209936372U - Non-scar cutter bar fixing clamp for machining

Info

Publication number: CN209936372U
Application number: CN201920684255.2U
Authority: CN
Inventors: 周文杰; 周峰兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-14
Anticipated expiration: 2029-05-14

Abstract

The utility model discloses a non-scar cutter arbor mounting fixture for machining, including interior hexagonal set screw, cutter arbor fixed sleeve, the welding has oblique fixed plate and horizontal fixed plate on the fixed sleeve outer wall of cutter arbor, processing threaded hole on the oblique fixed plate terminal surface, threaded hole installs interior hexagonal set screw, horizontal fixed plate one end welding has horizontal fixed axle, nested on the horizontal fixed axle has the inner race, the outside nested overcoat circle that has of inner race, the annular array shaping has four at least outer regulation holes on the overcoat circle excircle. Has the advantages that: the cutter arbor is fixed simple and convenient, has the bumper shock absorber on the anchor clamps certainly, can reduce the cutter arbor and add the effort to anchor clamps, reduces the inside stress of cutter arbor simultaneously, avoids the cutter arbor to damage, can avoid fixed time damage cutter arbor outer wall through the fixed of screw and bumper shock absorber, realizes that the no scar is fixed, does not influence the long-time use of cutter arbor, guarantees the machining precision.

Description

Non-scar cutter bar fixing clamp for machining

Technical Field

The utility model belongs to the technical field of the machining technique and specifically relates to a machining is with no scar cutter arbor mounting fixture is related to.

Background

Hole turning is common processing mode among the machining, when the work piece turning hole that the degree of depth is darker, need use the turning sword of long handle, the anchor clamps that are used for fixed turning sword at present all are fixed through the rigidity, can produce the indentation on the handle of a knife during long-term use, influence the levelness of cutter arbor, and then influence the machining precision, and because rigid connection when cutter arbor and anchor clamps, add man-hour, the inside stress that produces when the cutter arbor shakes is big, not only influence the life of cutter, and influence the elasticity that the cutter was fixed easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a machining is with no scar cutter arbor mounting fixture in order to solve above-mentioned problem.

The technical scheme of the utility model is realized like this:

a scratch-free cutter bar fixing clamp for machining comprises an inner hexagonal fixing screw and a cutter bar fixing sleeve, wherein an inclined fixing plate and a horizontal fixing plate are welded on the outer wall of the cutter bar fixing sleeve, a threaded hole is formed in the end face of the inclined fixing plate, the inner hexagonal fixing screw is installed in the threaded hole, a pressing plate is formed in the position, corresponding to the inner hexagonal fixing screw, of the cutter bar fixing sleeve in a machining mode, a transverse fixing shaft is welded at one end of the horizontal fixing plate, an inner sleeve ring is nested on the transverse fixing shaft, an outer sleeve ring is nested outside the inner sleeve ring, at least four outer adjusting holes are formed in the outer ring of the outer sleeve ring in an annular array mode, a limiting end cover is arranged on one side of the outer end face of the outer sleeve, an extension sleeve is formed on one side of the inner sleeve ring, an outer limiting groove is formed in the outer wall of the inner sleeve ring, a large, and a damping spring is placed in the spring fixing groove, and a small ball is arranged at the outer end part of the damping spring.

Furthermore, the middle axial surface of the inclined fixing plate is superposed with the central axis of the cutter bar fixing sleeve, and the included angle between the inclined fixing plate and the horizontal fixing plate is 100-120 degrees.

Furthermore, the transverse fixing shaft and the central axis of the cutter bar fixing sleeve are positioned on the same horizontal plane, a limiting step is machined at one end, close to the horizontal fixing plate, of the transverse fixing shaft, and a mounting thread is machined at the other end of the transverse fixing shaft.

Further, the inner ring and the transverse fixing shaft are installed in a clearance fit mode, and the lengthening sleeve faces the limiting step.

Furthermore, the diameter of the spring fixing groove is larger than that of the small ball, and the included angle between the two spring fixing grooves and the outer limiting groove is 120 degrees.

Further, the difference between the diameter of the inner ring of the outer ring and the diameter of the outer ring of the inner ring is smaller than the diameter of the small ball.

Furthermore, an inner limiting groove is formed in the inner ring of the outer ring in a machining mode, the inner limiting groove is of a semi-cylindrical structure, and the large ball is placed in the inner limiting groove.

Furthermore, an outer hexagonal fixing sleeve is formed on the outer end face of the limiting end cover, an internal thread is formed in the outer hexagonal fixing sleeve, and the internal thread inside the outer hexagonal fixing sleeve is matched with the mounting thread.

By adopting the technical scheme, the beneficial effects of the utility model are that: the cutter arbor is fixed simple and convenient, has the bumper shock absorber on the anchor clamps certainly, can reduce the cutter arbor and add the effort to anchor clamps, reduces the inside stress of cutter arbor simultaneously, avoids the cutter arbor to damage, can avoid fixed time damage cutter arbor outer wall through the fixed of screw and bumper shock absorber, realizes that the no scar is fixed, does not influence the long-time use of cutter arbor, guarantees the machining precision.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a first spatial perspective view of the present invention;

fig. 2 is a perspective view of a second space of the present invention;

fig. 3 is a front view of the present invention;

FIG. 4 is a schematic view of the transverse fixing shaft of the present invention;

fig. 5 is a side view of the present invention;

fig. 6 is a first side cross-sectional view of the present invention;

fig. 7 is a spatial perspective view of the inner race of the present invention;

FIG. 8 is a perspective view of the outer sleeve space of the present invention;

FIG. 9 is a schematic view of the structure of the limit end cap of the present invention;

fig. 10 is a sectional view of the shock-absorbing structure of the present invention;

fig. 11 is a rear view of the present invention;

fig. 12 is a second side cross-sectional view of the present invention.

The reference numerals are explained below:

1. an internal hexagonal fixing screw; 2. an inclined fixing plate; 3. the cutter bar fixes the sleeve; 301. pressing a plate; 4. a horizontal fixing plate; 5. a transverse fixed shaft; 501. a limiting step; 502. installing threads; 6. an inner race; 601. a spring fixing groove; 602. a damping spring; 603. a small ball; 604. an outer limiting groove; 605. lengthening the sleeve; 7. a limiting end cover; 701. an outer hexagonal fixing sleeve; 8. an outer ferrule; 801. an outer adjustment aperture; 802. an inner limiting groove; 803. a large ball.

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 efforts belong to the protection scope of the present invention.

As shown in fig. 1-10, a traceless cutter bar fixing clamp for machining comprises an inner hexagonal fixing screw 1 and a cutter bar fixing sleeve 3, wherein an inclined fixing plate 2 and a horizontal fixing plate 4 are welded on the outer wall of the cutter bar fixing sleeve 3, a threaded hole is processed on the end surface of the inclined fixing plate 2, the inner hexagonal fixing screw 1 is installed in the threaded hole, a pressing plate 301 is formed on the cutter bar fixing sleeve 3 corresponding to the position of the inner hexagonal fixing screw 1, a horizontal fixing shaft 5 is welded at one end of the horizontal fixing plate 4, an inner ferrule 6 is nested on the horizontal fixing shaft 5, an outer ferrule 8 is nested outside the inner ferrule 6, at least four outer adjusting holes 801 are formed on the outer circle of the outer ferrule 8 in an annular array manner, a limiting end cover 7 is arranged on one side of the outer end surface of the outer ferrule 8, an extension sleeve 605 is formed on one side of the inner ferrule 6, an outer limiting groove is formed on the outer, two spring fixing grooves 601 are formed in the outer circle of the inner ring 6, a damping spring 602 is placed in each spring fixing groove 601, and a small ball 603 is arranged at the outer end of each damping spring 602.

In the embodiment, the central axis surface of the inclined fixing plate 2 coincides with the central axis of the cutter bar fixing sleeve 3, the included angle between the inclined fixing plate 2 and the horizontal fixing plate 4 is 100-120 degrees, and the inner hexagonal fixing screw 1 can be conveniently screwed after the horizontal fixing plate 4 is fixed.

In this embodiment, the central axes of the transverse fixing shaft 5 and the cutter bar fixing sleeve 3 are located on the same horizontal plane, a limiting step 501 is processed at one end of the transverse fixing shaft 5 close to the horizontal fixing plate 4, and an installation thread 502 is processed at the other end of the transverse fixing shaft 5, so that the inner ring 6 is conveniently installed and fixed.

In this embodiment, the inner ring 6 is installed in a clearance fit with the transverse fixing shaft 5, the extension sleeve 605 is disposed toward the limit step 501, and the inner ring 6 can rotate on the transverse fixing shaft 5, so as to drive the outer ring 8 to rotate eccentrically.

In this embodiment, the diameter of the spring fixing groove 601 is greater than that of the small ball 603, the included angle between the two spring fixing grooves 601 and the outer limiting groove 604 is 120 °, the two small balls 603 are tightly attached to the inner wall of the outer race 8 under the action of the damping spring 602, and the elastic support facilitates the transmission of vibration.

In this embodiment, the difference between the inner ring diameter of the outer race 8 and the outer ring diameter of the inner race 6 is smaller than the diameter of the small balls 603, so as to prevent the small balls 603 from falling off during use.

In this embodiment, the inner ring of the outer race 8 is formed with an inner limiting groove 802, the inner limiting groove 802 is a semi-cylindrical structure, the large balls 803 are placed in the inner limiting groove 802, the large balls 803 can be fixed through the inner limiting groove 802 and the outer limiting groove 604, and the position of the outer race 8 limited by the limiting end cap 7 can limit the lateral movement of the inner race 6.

In this embodiment, the outer end face of the limiting end cover 7 is formed with an outer hexagonal fixing sleeve 701, an inner thread is formed in the outer hexagonal fixing sleeve 701, and the inner thread inside the outer hexagonal fixing sleeve 701 is matched with the mounting thread 502, so that the positioning and the fixing are convenient to perform.

The utility model discloses a theory of operation does: when the tool is used, all the parts are assembled to form a complete clamp, then the horizontal fixing plate 4 is placed on a lathe tool holder and fixed by bolts, a tool bar is inserted into an inner hole of a tool bar fixing sleeve 3, an inner hexagonal fixing screw 1 is fixed by an inner hexagonal wrench so that the end part of the inner hexagonal fixing screw 1 is tightly pressed on the outer wall of a pressing plate 301, the pressing plate 301 deforms under the action of external force and is pressed on the outer circle of the tool bar, thus the preliminary fixing of the tool bar is completed, then the wrench is inserted into an outer adjusting hole 801 to pull an outer ring 8 to rotate, the outer ring 8 eccentrically rotates on an inner ring 6, so that the outer circle of the outer ring 8 is tightly contacted with the tail part of the tool bar, the locking and fixing are completed by the elasticity of a damping spring 602, when the tool is used for machining, the vibration of the tool bar is transmitted to the damping spring 602 through the outer ring 8 and, the stability of cutter arbor is guaranteed, avoids the unable release of the inside stress of cutter arbor to damage the cutter simultaneously.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a machining is with no scar cutter arbor mounting fixture which characterized in that: the outer ring structure comprises an inner hexagonal fixing screw (1) and a cutter bar fixing sleeve (3), wherein an inclined fixing plate (2) and a horizontal fixing plate (4) are welded on the outer wall of the cutter bar fixing sleeve (3), a threaded hole is machined in the end face of the inclined fixing plate (2), the inner hexagonal fixing screw (1) is installed in the threaded hole, a pressing plate (301) is formed in the position, corresponding to the inner hexagonal fixing screw (1), of the cutter bar fixing sleeve (3), a transverse fixing shaft (5) is welded at one end of the horizontal fixing plate (4), an inner ring (6) is nested on the transverse fixing shaft (5), an outer ring (8) is nested outside the inner ring (6), at least four outer adjusting holes (801) are formed in the outer ring (8) in an annular array mode, a limiting end cover (7) is arranged on one side of the outer end face of the outer ring (8), and an extension sleeve (605) is formed on one, outer limiting grooves (604) are formed in the outer wall of the inner ring (6), large balls (803) are installed in the outer limiting grooves (604), two spring fixing grooves (601) are formed in the outer circle of the inner ring (6), a damping spring (602) is placed in each spring fixing groove (601), and small balls (603) are arranged at the outer end of each damping spring (602).

2. The non-scar cutter bar fixing clamp for machining according to claim 1, characterized in that: the middle axial surface of the inclined fixing plate (2) is superposed with the central axis of the cutter bar fixing sleeve (3), and the included angle between the inclined fixing plate (2) and the horizontal fixing plate (4) is 100-120 degrees.

3. The non-scar cutter bar fixing clamp for machining according to claim 2, characterized in that: the horizontal fixing shaft (5) and the middle axis of the cutter bar fixing sleeve (3) are located on the same horizontal plane, a limiting step (501) is machined at one end, close to the horizontal fixing plate (4), of the horizontal fixing shaft (5), and installation threads (502) are machined at the other end of the horizontal fixing shaft (5).

4. The non-scar cutter bar fixing clamp for machining according to claim 3, characterized in that: the inner ring (6) and the transverse fixed shaft (5) are installed in a clearance fit mode, and the lengthening sleeve (605) faces the limiting step (501).

5. The non-scar cutter bar fixing clamp for machining according to claim 1, characterized in that: the diameter of the spring fixing groove (601) is larger than that of the small ball (603), and the included angle between the two spring fixing grooves (601) and the outer limiting groove (604) is 120 degrees.

6. The non-scar cutter bar fixing clamp for machining according to claim 1, characterized in that: the difference between the inner ring diameter of the outer ring (8) and the outer ring diameter of the inner ring (6) is smaller than the diameter of the small balls (603).

7. The non-scar cutter bar fixing clamp for machining according to claim 1, characterized in that: an inner limiting groove (802) is formed in the inner ring of the outer sleeve (8) in a machining mode, the inner limiting groove (802) is of a semi-cylindrical structure, and the large balls (803) are placed in the inner limiting groove (802).

8. The non-scar cutter bar fixing clamp for machining according to claim 3, characterized in that: an outer hexagonal fixing sleeve (701) is formed on the outer end face of the limiting end cover (7), an internal thread is formed in the outer hexagonal fixing sleeve (701), and the internal thread inside the outer hexagonal fixing sleeve (701) is matched with the mounting thread (502).