CN212664914U

CN212664914U - Novel boring cutter

Info

Publication number: CN212664914U
Application number: CN202021226689.7U
Authority: CN
Inventors: 范宇飞
Original assignee: Kunshan Chaoye Precision Cutting Tool Co ltd
Current assignee: Kunshan Chaoye Precision Cutting Tool Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-03-09
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a novel boring cutter belongs to the machining cutter, and this novel boring cutter includes cutter body, adjustable blade and floating support plate etc. and adjustable blade in this scheme can the ration stretch out, be used for processing the deep hole of different shapes to utilize a plurality of floating support plate to support the tool bit, be used for reducing the blade vibration, this boring cutter novel structure, blade extension volume are adjusted conveniently, the specially adapted processes the special-shaped curved surface deep hole of different shapes.

Description

Novel boring cutter

Technical Field

The utility model belongs to the machining cutter, concretely relates to novel boring cutter.

Background

In the machining process in China, the cutting tool is complex and inaccurate in adjustment of the cutting tool, and partial equipment needs to be subjected to tool withdrawal and feeding operation in each adjustment, so that the machining precision and the machining efficiency are seriously influenced. Meanwhile, the machining tool lacks a necessary guide and vibration-proof structure, and when a deep hole is machined, machining errors are inevitably caused by vibration of the tool.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a novel boring cutter, including cutter body, adjustable blade and floating support board etc. adjustable blade in this scheme can the ration stretch out, be used for processing the deep hole of different shapes to utilize a plurality of floating support boards to support the tool bit, be used for reducing the blade vibration, this boring cutter novel structure, blade stretch out the volume and adjust conveniently, the specially adapted processes the special-shaped curved surface deep hole of different shapes.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme:

the utility model provides a novel boring cutter includes cutter body, tool bit, hilt, blade, adjusting screw and housing screw, wherein: the cutter head and the cutter handle are respectively arranged at two ends of the cutter body and are coaxially arranged, a middle hole is formed in the center of the cutter body, the center hole of the cutter head and the center hole of the cutter handle, and a side hole is formed in the eccentric position of the cutter body and the center hole of the cutter handle; the blade is movably arranged in the cutter groove of the cutter head, the bottom of the blade is an adjusting inclined plane, and the top of the blade is a cutter surface; the adjusting screw is installed in the middle hole through a special thread, one end of the adjusting screw, which is close to the blade, is provided with an adjusting round angle, the adjusting round angle is matched with the adjusting inclined plane to work, and the adjusting round angle moves upwards through moving back and forth; the compression screw is installed in the side hole through threads and used for limiting the free movement of the blade.

Preferably, a plurality of mounting grooves have been seted up to the side symmetry of cutter body, install the backup pad that floats in the mounting groove, wherein: the floating support plate is provided with a connecting hole, one end of a connecting screw is installed in the connecting hole, the other end of the connecting screw is installed in a screw hole at the bottom of the mounting groove, and a spring used for supporting the floating support plate is sleeved in the middle of the connecting screw.

Preferably, the blade clamping device further comprises a contact piece, the contact piece is a cylinder and is arranged in the side hole, and the free movement of the blade is limited by the tail end of the compression screw through the contact piece.

Preferably, the contact member is a graphite rod or a talc rod.

Preferably, the special thread can drive the adjusting screw to move back and forth by 0.5-0.9mm after rotating for one circle.

Preferably, the working angle of the adjusting inclined plane and the adjusting fillet is 30-80 °.

The utility model discloses a novel boring cutter has following beneficial effect:

1) the utility model discloses a blade can be accurate stretches out, can realize the ration removal of blade through control adjusting screw, and this structure can realize eating the volume and adjust under the condition of not moving back the sword.

2) The utility model discloses a be provided with a plurality of floating support boards on the cutter body, this floating support board can play direction and absorbing function, because the inside spring that is provided with of floating support board can laminate different apertures to support the tool bit, reduce the tool bit vibration, show promotion processingquality and machining efficiency.

3) The utility model discloses a blade adopts machine clamp formula blade, can promote the life of cutter.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

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

fig. 4 is a schematic view of the floating support plate structure of the present invention.

In the figure, 1-cutter body, 101-middle hole, 102-side hole, 103-installation groove, 2-cutter head, 201-cutter groove, 3-cutter handle, 4-cutter blade, 401-adjustment inclined plane, 402-cutter surface, 5-adjustment screw, 501-special thread, 502-adjustment fillet, 6-compression screw, 7-floating support plate, 701-connection hole, 702-connection screw, 703-spring and 8-contact element.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and 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, are not to be construed as limiting the present invention. 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 otherwise specified.

As shown in fig. 1 and 2, a novel boring cutter includes a cutter body 1, a cutter head 2, a cutter handle 3, a blade 4, an adjusting screw 5 and a pressing screw 6, in the figure, the cutter head 2 and the cutter handle 3 are respectively disposed at the front end and the rear end of the cutter body 1 and are coaxially disposed, a central hole 101 is disposed at the center of the cutter body 1, the cutter head 2 and the cutter handle 3, and a side hole 102 is disposed at the eccentric position of the cutter body 1 and the cutter head 2, in this embodiment, the novel boring cutter includes 2 symmetrically disposed blades 4, the blades 4 are movably mounted in a cutter groove 201 of the cutter head 2, the cutter groove 201 is a square groove and is vertically through, the cutter groove 201 is vertically intersected with the central line of the central hole 101, in fig. 3, the bottom of the blade 4 is an adjusting inclined.

It should be noted that the adjusting screw 5 is installed in the central hole 101 through a special thread 501, and the adjusting screw 5 and the central hole 101 may be integrally threaded or partially threaded. Specifically, the special thread 501 can drive the adjusting screw 5 to move back and forth by 0.5-0.9mm after rotating for one circle. One end of the adjusting screw 5 close to the blade 4 is provided with an adjusting fillet 502, the adjusting fillet 502 cooperates with the adjusting inclined plane 401, and the upward movement of the adjusting inclined plane 401 is realized by moving the adjusting fillet 502 back and forth. Specifically, the working angle of the adjustment inclined plane 401 and the adjustment fillet 502 is 30 ° to 80 °, and may be 30 °, 45 °, 60 °, or the like.

In fig. 2 and 3, a compression screw 6 is threadedly mounted in the side hole 102 for limiting free movement of the blade 4. Specifically, a contact element 8 can be further arranged, the contact element 8 is a cylinder and is arranged in the side hole 102, and the tail end of the compression screw 6 limits the free movement of the blade 4 through the contact element 8.

As shown in fig. 2 and 4, a plurality of mounting grooves 103 are symmetrically formed in the side surface of the cutter body 1, and floating support plates 7 are mounted in the mounting grooves 103, in this example, 2 floating support plates 7 may be symmetrically disposed, or 4 floating support plates 7 may be symmetrically disposed. It should be noted that the floating support plate 7 is provided with a connecting hole 701, the connecting hole 701 may be a counter bore, one end of a connecting screw 702 is installed in the connecting hole 701, the other end of the connecting screw 702 is installed in a threaded hole at the bottom of the installation groove 103, a spring 703 for supporting the floating support plate 7 is sleeved in the middle of the connecting screw 702, the connecting screw 702 is only a terminal tapping, and the middle is a smooth cylinder.

In actual processing, the floating support plate 7 is assembled with the existing hole size, the position of the blade 4 is adjusted by the compression screw 6, the workpiece starts to rotate, the forward movement of the adjustment fillet 502 is realized by controlling the number of rotation turns of the adjustment screw 5, the adjustment inclined plane 401 is driven to move upwards, and the adjustment screw 5 needs to be rotated by several turns according to the processing size. The processing mode is generally pull pin processing, and the processing parameters are as follows: the rotating speed is 80-100r/min, the feeding speed is 0.05-0.1mm/r, and cooling liquid is injected, wherein the type of the cooling liquid is water emulsion.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a novel boring cutter, its characterized in that, includes cutter body (1), tool bit (2), hilt (3), blade (4), adjusting screw (5) and housing screw (6), wherein:

the cutter head (2) and the cutter handle (3) are respectively arranged at two ends of the cutter body (1) and are coaxially arranged, a middle hole (101) is formed in the center of the cutter body (1), the center hole of the cutter head (2) and the center hole of the cutter handle (3), and a side hole (102) is formed in the eccentric position of the cutter body (1) and the center hole of the cutter head (2);

the blade (4) is movably arranged in the cutter groove (201) of the cutter head (2), the bottom of the blade (4) is an adjusting inclined plane (401), and the top of the blade (4) is a cutter surface (402);

the adjusting screw (5) is installed in the middle hole (101) through a special thread (501), one end, close to the blade (4), of the adjusting screw (5) is provided with an adjusting fillet (502), the adjusting fillet (502) and the adjusting inclined plane (401) work in a matched mode, and the adjusting fillet (502) moves forwards and backwards to achieve upward movement of the adjusting inclined plane (401);

the compression screw (6) is installed in the side hole (102) through threads and used for limiting the free movement of the blade (4).

2. The novel boring cutter as claimed in claim 1, wherein the side of the cutter body (1) is symmetrically provided with a plurality of mounting grooves (103), a floating support plate (7) is mounted in the mounting grooves (103), wherein:

the floating support plate is characterized in that a connecting hole (701) is formed in the floating support plate (7), one end of a connecting screw (702) is installed in the connecting hole (701), the other end of the connecting screw (702) is installed in a screw hole in the bottom of the installation groove (103), and a spring (703) used for supporting the floating support plate (7) is sleeved in the middle of the connecting screw (702).

3. The novel boring tool as claimed in claim 1, characterized in that it further comprises a contact member (8), said contact member (8) being a cylinder disposed in the side hole (102), the end of said compression screw (6) limiting the free movement of the blade (4) by means of the contact member (8).

4. A new boring tool as claimed in claim 3, characterised in that the contact member (8) is a graphite or talc rod.

5. The novel boring tool as claimed in claim 1, characterized in that the special thread (501) can drive the adjusting screw (5) to move back and forth 0.5-0.9mm after one rotation.

6. The new boring tool as claimed in claim 1, characterized in that the working angle of the adjustment bevel (401) and the adjustment fillet (502) is 30 ° to 80 °.