CN211071865U

CN211071865U - Tool bit clamp for improving stability of high-speed machine tool for cutting workpiece

Info

Publication number: CN211071865U
Application number: CN201922314996.4U
Authority: CN
Inventors: 张二丽; 郭胜国; 邢丹丹; 许�鹏; 张继栋
Original assignee: Zhengzhou Institute of Finance and Economics
Current assignee: Zhengzhou Institute of Finance and Economics
Priority date: 2019-12-21
Filing date: 2019-12-21
Publication date: 2020-07-24
Anticipated expiration: 2029-12-21

Abstract

The utility model provides a high-speed lathe cutting tool bit anchor clamps for work piece for stability improves, including the handle of a knife, be equipped with the preforming on the handle of a knife, the preforming is rotatable to be connected with mounting groove upper surface parallel and level, the one end and the handle of a knife of preforming are connected, and the lower surface of the other end is equipped with the pressure strip, be equipped with adjusting bolt on the preforming, adjusting bolt with preforming threaded connection, adjusting bolt can drive the pressure strip up-and-down motion. Through setting up the pressure strip in the bottom of preforming, with the up-and-down motion of adjusting bolt control pressure strip, can make the tool bit install after adjust the pressure strip and apply fore-and-aft pressure to the tool bit and compress tightly, moreover, the steam generator is simple in structure, it is convenient to adjust, the tool bit can receive the longitudinal pressure who comes from the pressure strip by a large scale, thereby alleviate rocking of tool bit in the cutting process, even there is wearing and tearing tool bit multiple use surface, also can say the tool bit through adjusting bolt and compress tightly, reduce because of rocking the machining error who produces.

Description

Tool bit clamp for improving stability of high-speed machine tool for cutting workpiece

Technical Field

The utility model belongs to the technical field of the lathe accessory and specifically relates to a high-speed lathe tool bit anchor clamps for cutting workpiece for improve stability is related to.

Background

The tool bit is installed on the handle of a knife to current lathe tool bit screw, it is fixed with the tool bit to use a hexagon socket head screw usually, still be equipped with a rotatable preforming on the handle of a knife usually, the preforming pressure is reused after the tool bit is fixed on the handle of a knife and is pressed on the tool bit, the tool bit is easily worn and torn after a lot of installation and use like this, cause uneven with the upper surface of handle of a knife, can undercut certain distance, the preforming sets up for the parallel and level with the handle of a knife upper surface, make the later stage preforming play the effect that compresses tightly, thus, the tool bit only fixes with a tool bit screw, can produce when cutting work piece and rock, bring great error for.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned conventional art's weak point, provide a simple structure, adjust convenient a high-speed lathe tool bit anchor clamps for cutting workpiece who is used for improving stability.

The purpose of the utility model is achieved through the following technical measures: the utility model provides a high-speed lathe cutting tool bit anchor clamps for work piece for stability, includes the handle of a knife, the one end of handle of a knife is equipped with the mounting groove, be equipped with the preforming on the handle of a knife, the preforming can rotate to with mounting groove upper surface parallel and level, its characterized in that: one end of the pressing piece is connected with the knife handle, a pressing plate is arranged on the lower surface of the other end of the pressing piece, an adjusting bolt is arranged on the pressing piece and in threaded connection with the pressing piece, and the adjusting bolt can drive the pressing plate to move up and down.

As a preferred scheme, one end of the pressing sheet is connected with the cutter handle through a pin shaft, the other end of the pressing sheet is located on the upper surface of the mounting groove and provided with a groove with a downward opening, and the pressing plate is arranged in the groove.

As a preferred scheme, an adjusting hole is formed in the upper portion of the groove, an internal thread is formed in the adjusting hole, and an external thread matched with the internal thread is formed in the adjusting bolt.

As a preferred scheme, the pressure strip is provided with a sliding chute which is opened upwards, one end of the sliding chute is opened, and two sides of the upper end of the sliding chute are provided with baffle plates.

As a preferable scheme, the adjusting bolt comprises a body part and a limiting part, the limiting part is fixed at one end of the body part, and an inward concave inner hexagon is arranged at one end of the body part, which is far away from the limiting part.

Preferably, the body portion is cylindrical, and the body portion is provided with an external thread matched with the adjusting hole.

Preferably, the width of the limiting part is smaller than the width of the sliding groove and larger than the distance between the two baffles.

As a preferred scheme, a mounting hole is formed in the mounting groove, and a first connecting hole connected with the pressing sheet is formed in the cutter handle.

As a preferable scheme, one end of the pressing sheet is provided with a second connecting hole corresponding to the first connecting hole.

Owing to adopted above-mentioned technical scheme, compare with prior art, the utility model has the advantages that: the utility model provides a high-speed lathe tool bit anchor clamps for cutting work piece for improving stability, bottom through at the preforming sets up the pressure strip, the up-and-down motion with adjusting bolt control pressure strip, it compresses tightly to adjust the pressure strip and apply fore-and-aft pressure to the tool bit after can making the tool bit install, moreover, the steam generator is simple in structure, it is convenient to adjust, compare in original only pushing down with the preforming, make the tool bit can receive the longitudinal pressure that comes from the pressure strip by a large scale, thereby alleviate rocking of tool bit in cutting process, even there is wearing and tearing tool bit multiple use surface, also can say the tool bit through adjusting bolt and compress tightly, reduce because of rocking the machining error who produces.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a tool bit fixture for high-speed machine tool cutting work pieces for improving stability.

FIG. 2 is the utility model relates to a handle of a knife structure sketch map of high-speed lathe cutting tool bit anchor clamps for work piece for stability improves.

Fig. 3 is a schematic diagram of the utility model of a tabletting structure of a tool bit clamp for high-speed machine tool cutting work piece for improving stability.

Fig. 4 is a schematic diagram of the structure of the adjusting bolt and the pressing plate of the tool bit clamp for the high-speed machine tool cutting workpiece for improving the stability of the utility model.

Fig. 5 is a schematic structural view of a pressing plate of a tool bit clamp for a high-speed machine tool cutting workpiece for improving stability.

Fig. 6 is the utility model relates to a high-speed lathe cutting tool bit anchor clamps's for work piece adjusting bolt structure sketch map for improving stability.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): as shown in the accompanying drawings 1-2, a tool bit clamp for high-speed machine tool cutting work piece for improving stability comprises a tool holder 1, wherein one end of the tool holder 1 is provided with a mounting groove 2, the mounting groove 2 is used for placing a tool bit, a mounting hole 3 is arranged in the mounting groove 2, and the tool bit is fixed in the mounting groove 2 through a bolt. The tool bit is installed at the upper surface parallel and level of installation inslot 2 back upper surface and handle of a knife 1, be equipped with preforming 4 on the handle of a knife 1, preforming 4 is rotatable to the upper surface parallel and level with installation groove 2, the one end and the handle of a knife 1 of preforming 4 are connected, be equipped with the first connecting hole 5 of being connected with preforming 4 on the handle of a knife 1, the one end of preforming 4 is equipped with the second connecting hole 6 that corresponds with first connecting hole 5, is connected through round pin axle 7 between first connecting hole 5 and the second connecting hole 6, makes preforming 4 can follow round pin axle 7 and rotate, installs the tool bit after, rotates preforming 4 to the tool bit top, installation groove 2 top promptly, and the upper surface parallel and level of preforming 4 lower surface and tool bit pushes.

As shown in fig. 3-5, a pressing plate 8 is arranged on the lower surface of one end of the pressing plate 4, which is far away from the pin 7, an adjusting bolt 9 is arranged on the pressing plate 4, the adjusting bolt 9 is in threaded connection with the pressing plate 4, and the adjusting bolt 9 can drive the pressing plate 8 to move up and down. In this embodiment, the pressing plate 4 comprises a rectangular portion and a triangular portion, wherein the end of the rectangular portion far away from the triangular portion is provided with a second connecting hole 6, the triangular portion can rotate to the upper part of the mounting groove 2, and the triangular portion is connected with the adjusting bolt 9.

One end of the pressing sheet 4, which is far away from the pin shaft 7, is provided with a groove 10 with a downward opening, the groove 10 is arranged on the lower surface of the pressing sheet 4, when the pressing sheet 4 rotates to the upper part of the mounting groove 2, the groove 10 is completely arranged above the mounting groove 2, the groove 10 is arranged on a triangular part, the triangular part can be also arranged into other shapes, as long as the groove 10 is completely arranged above the mounting groove 2, and the pressing plate 8 is arranged in the groove 10. The shape of pressure strip 8 is the same with recess 10, and the size is not more than recess 10, otherwise can't install in recess 10, and the concrete shape of pressure strip 8 is as shown in fig. 4, pressure strip 8 is equipped with upwards open-ended spout 11, and spout 11 sets up along the length direction of pressure strip 8, and opening up, and the lower extreme is sealed. The opening at one end of the sliding chute 11 is arranged, and in the embodiment, because the sizes of the two ends of the pressing plate 8 are different, the opening end of the sliding chute 11 is arranged at the longer end of the pressing plate 8, so that the adjusting bolt 9 can be conveniently put in. Two sides of the upper end of the sliding groove 11 are provided with baffle plates 12, after the adjusting bolt 9 is placed in, as shown in fig. 4, the two baffle plates 12 can enable the adjusting bolt 9 to only slide out from the opening end of the sliding groove 11, but not slide out up and down, so that the pressing plate 8 can move up and down under the driving of the adjusting bolt 9.

An adjusting hole 13 is formed above the groove 10 of the pressing plate 4, an internal thread is formed in the adjusting hole 13, and an external thread matched with the internal thread is formed in the adjusting bolt 9. As shown in fig. 6, the adjusting bolt 9 includes a body portion 14 and a limiting portion 15, the limiting portion 15 is fixed at one end of the body portion 14, and an inwardly recessed hexagon socket is disposed at one end of the body portion 14 away from the limiting portion 15. The body portion 14 is cylindrical, and the body portion 14 is provided with an external thread matched with the adjusting hole 13. The width of the limiting part 15 is smaller than that of the sliding chute 11 and larger than the distance between the two baffles 12.

During the use, slide into spout 11 with spacing portion 15 of adjusting bolt 9 inside from the open end of spout 11, body portion 14 twists in regulation hole 13, along with adjusting bolt 9's twist, spacing portion 15 drives pressure strip 8 and moves to recess 10, until pressure strip 8 is located recess 10 completely, be connected preforming 4 with handle of a knife 1 through round pin axle 7, at this moment, handle of a knife 1 installation is accomplished, install the tool bit in mounting groove 2 again, rotate preforming 4 to the top of tool bit, twist adjusting bolt 9, adjusting bolt 9 downstream, promote pressure strip 8 and compress tightly the tool bit, know to compress tightly fixedly the whole tool bit, the tool bit receives the longitudinal pressure that comes from pressure strip 8 this moment, and the lifting surface area is great, can effectively reduce rocking of tool bit when cutting the work piece, improve cutting accuracy.

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 high-speed lathe cutting tool bit anchor clamps for work piece for stability, includes the handle of a knife, the one end of handle of a knife is equipped with the mounting groove, be equipped with the preforming on the handle of a knife, the preforming can rotate to with mounting groove upper surface parallel and level, its characterized in that: one end of the pressing piece is connected with the knife handle, a pressing plate is arranged on the lower surface of the other end of the pressing piece, an adjusting bolt is arranged on the pressing piece and in threaded connection with the pressing piece, and the adjusting bolt can drive the pressing plate to move up and down.

2. A tool bit holder for high speed machine tool cutting work pieces for improved stability according to claim 1, wherein: one end of the pressing sheet is connected with the cutter handle through a pin shaft, the other end of the pressing sheet is located on the upper surface of the mounting groove and is provided with a groove with a downward opening, and the pressing plate is arranged in the groove.

3. A tool bit holder for high speed machine tool cutting work pieces for improved stability according to claim 2, wherein: the top of recess is equipped with the regulation hole, the regulation hole is equipped with the internal thread, adjusting bolt is equipped with the external screw thread with interior screw-thread fit.

4. A tool bit holder for high speed machine tool cutting work pieces for improved stability according to claim 3, wherein: the pressure strip is provided with a chute with an upward opening, the chute is provided with an opening at one end, and baffles are arranged on two sides of the upper end of the chute.

5. A tool bit holder for high speed machine tool cutting work pieces for improved stability according to claim 4, wherein: the adjusting bolt comprises a body part and a limiting part, the limiting part is fixed at one end of the body part, and an inward concave inner hexagon is arranged at one end, far away from the limiting part, of the body part.

6. A tool bit holder for high speed machine tool cutting work pieces for improved stability according to claim 5, wherein: the body part is cylindrical, and the body part is provided with an external thread matched with the adjusting hole.

7. The tool bit holder for high speed machine tool cutting work piece for improved stability of claim 6, wherein: the width of the limiting part is smaller than that of the sliding groove and larger than the distance between the two baffles.

8. A tool tip holder for high speed machine tool cutting work pieces for improved stability according to any one of claims 1 to 7, wherein: the mounting groove is internally provided with a mounting hole, and the knife handle is provided with a first connecting hole connected with the pressing sheet.

9. A tool bit holder for high speed machine tool cutting work pieces for improved stability according to claim 8, wherein: one end of the pressing piece is provided with a second connecting hole corresponding to the first connecting hole.