CN218452653U

CN218452653U - Watchcase band opening processing cutter and equipment

Info

Publication number: CN218452653U
Application number: CN202222104225.4U
Authority: CN
Inventors: 孟令胜; 黄志刚
Original assignee: Rishan Computer Accessories Jiashan Co Ltd
Current assignee: Rishan Computer Accessories Jiashan Co Ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-02-07
Anticipated expiration: 2032-08-10

Abstract

The utility model provides a watchcase area mouth processing cutter and equipment has solved because of wrist-watch watchband position structure is complicated, and the outward appearance face requires comparatively much, and multitool body processing in batches can produce and connect sword seal and sword line to influence the problem of the surface quality of watchcase. The processing cutter for the watch case with the opening comprises a cutter handle and a cutter head which are fixedly connected, the cutter head is of a waist-shaped structure with the middle part being thin and the two ends being gradually thickened, and the circumferential wall of the cutter head is a cutting edge. The utility model changes the position of the watchband into a forming knife for processing and forming, can effectively improve the appearance knife line, improves the surface smoothness, and has excellent appearance effect and high size precision; in addition, the processing time is short, the working efficiency is improved, and the yield is increased.

Description

Watchcase band opening processing cutter and equipment

Technical Field

The utility model belongs to the technical field of machinery, a cutter, especially a watchcase area mouth processing cutter and equipment for lathe are related to.

Background

A tool is a tool used for cutting machining in machine manufacturing, and is also called a cutting tool. Most knives are machine, but also hand-held.

The tool can be divided into five categories according to the form of the workpiece processing surface: 1. cutters for processing various outer surfaces, including turning tools, planing tools, milling cutters, outer surface broaches, files and the like; 2. the hole machining tool comprises a drill bit, a reamer, a boring cutter, a reamer, an inner surface broach and the like; 3. the thread processing tool comprises a screw tap, a screw die, an automatic opening and closing thread cutting head, a threading tool, a thread milling cutter and the like; 4. gear processing cutters, including hobs, slotting cutters, shaving cutters, bevel gears, broaches and the like; 5. cutting tools, including tipped circular saw blades, band saws, hacksaws, cutting bits and blade cutters, and the like.

With the rapid development of the machining industry, a numerical control machine (CNC) machine tool also rises rapidly, and more metal structures of 3C digital products are applied to CNC machining.

For example, chinese patent literature discloses a cutter for smart watch production [ chinese patent No.: CN202122534074.1, the utility model discloses a cutter is used in intelligence wrist-watch production, including the cutter main part, cutter main part bottom is provided with first cutter body, first cutter body bottom is provided with the second cutter body, second cutter body bottom is provided with the third cutter body, cutter main part, first cutter body, second cutter body and third cutter body set up the integral type structure, first cutter body lateral surface is the arc structure, the cross-section of second cutter body is hopper-shaped structure, the third cutter body is the structure of falling T shape. The utility model discloses, through setting up first cutter body, second cutter body and third cutter body, can realize three kinds of structures of a cutter processing to solve the problem of frequent tool changing.

Although the technical scheme is that the plurality of knife bodies are arranged on the same knife, the watch strap has a complex position structure and high requirement on the appearance surface, and the multi-knife body can generate a knife connecting mark and a knife line in the process of processing, so that the surface quality of the watch case is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a design waist type structure's edge of a knife to accomplish the quire processing of taking the mouth position, promote product surface smoothness's watchcase area mouth processing cutter and equipment.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a watchcase area mouth processing cutter, includes handle of a knife and tool bit that links firmly mutually, the tool bit is the waist type structure that the centre is thin increases thick to both ends gradually, the annular perisporium of tool bit is the cutting edge.

In the above surface shell processing cutter with the opening, the cutter head is of a vertically symmetrical structure, and the diameters of the upper end surface and the lower end surface of the cutter head are equal.

In the above cutting tool for machining a mouth of a watch case, the cutting edge structure of the cutting edge is formed by rotating a section of circular arc line around the central axis.

In the above mentioned processing tool for machining a watch case with a mouth, the cutting edge structure of the blade is formed by three sections of jointed circular arcs rotating around the central axis, and the three sections of circular arcs include a large circular arc in the middle and small circular arcs symmetrically arranged at the upper and lower parts.

In the above cutting tool for machining a mouth of a watch case, the length of the large arc is greater than that of the small arc, and the radius of the large arc is greater than that of the small arc.

In the machining tool with the watch case opening, the end part of the tool shank is connected with the tool bit through the connecting structure.

In the above processing tool for the watch case with the opening, the connecting structure comprises a cone and a cylinder which are fixedly connected with each other, the large-diameter end of the cone is fixedly connected with the end part of the tool shank, the small-diameter end of the cone is fixedly connected with the cylinder, and the tail end of the cylinder is connected with the tool bit.

In the processing tool with the opening on the watch case, the tool handle is a cylindrical shaft, and the central axes of the tool handle, the cone, the cylinder and the tool bit are coincided.

A watchcase band opening processing device, comprising any one of the watchcase band opening processing tools.

In the processing equipment for the watch case with the opening, the processing equipment further comprises a lathe, wherein the lathe is provided with a rotating shaft, and the rotating shaft is fixedly connected with the knife handle through a coupler.

Compared with the prior art, this watchcase area mouth processing cutter and equipment have following beneficial effect:

the utility model changes the position of the watchband into a forming knife for processing and forming, can effectively improve the appearance knife line, improves the surface smoothness, and has excellent appearance effect and high size precision; in addition, the processing time is short, the working efficiency is improved, and the yield is increased.

Drawings

Fig. 1 is a perspective view of a first embodiment of the cutter for processing a band opening of a watch case.

Fig. 2 is a functional structural view of a first embodiment of the watchcase band opening processing cutter.

FIG. 3 is a plan view of a second embodiment of the cutter for band-opening of watch case.

In the figure, 1, a knife handle; 2. a connecting structure; 2a, a cone; 2b, a cylinder; 3. a cutter head; 3a, a blade; 4. a watch case; 4a, with claws.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1 and 2, the watchcase band opening processing tool comprises a handle 1 and a tool bit 3 which are fixedly connected, the tool bit 3 is in a waist-shaped structure with the middle part being thin and gradually thickened towards two ends, and the circumferential wall of the tool bit 3 is a blade 3a.

The cutter head 3 is of an up-and-down symmetrical structure, and the diameters of the upper end face and the lower end face of the cutter head 3 are equal. The cutting edge structure of the cutting edge 3a is also a vertically symmetrical structure, so that the belt opening to be processed is a symmetrical structure.

The cutting edge structure of the blade 3a is formed by rotating a segment of circular arc line around the central axis. The arc line section is an arc section with equal radius at any point on the line, and the contour of the watch shell 4 with the opening processed by the method is an arc section consistent with the contour of the main watch shell 4.

The end part of the knife handle 1 is connected with the knife head 3 through the connecting structure 2.

The connecting structure 2 comprises a cone 2a and a cylinder 2b which are fixedly connected with each other, the large-diameter end of the cone 2a is fixedly connected with the end part of the knife handle 1, the small-diameter end of the cone 2a is fixedly connected with the cylinder 2b, and the tail end of the cylinder 2b is connected with the knife head 3.

The knife handle 1 is a cylindrical shaft, and the central axes of the knife handle 1, the cone 2a, the cylinder 2b and the knife head 3 are overlapped.

The coaxiality of the tool shank 1, the cone 2a, the cylinder 2b and the tool bit 3 can drive the tool shank 1 to rotate and synchronously drive the tool bit 3 to coaxially rotate so as to carry out operations such as driving, milling and grinding.

Compared with the prior art, this watchcase area mouth processing cutter has following beneficial effect:

the utility model changes the watchband position into a forming knife for processing and forming, thereby effectively improving the appearance knife lines, improving the surface smoothness, having good appearance effect and high size precision; in addition, the processing time is short, the working efficiency is improved, and the yield is increased.

Example two

This embodiment is substantially the same as the first embodiment, except that:

as shown in fig. 3, the cutting edge structure of the blade 3a is formed by three segments of arc lines connected with each other rotating around the central axis, and the three segments of arc lines include a large arc located in the middle and small arcs symmetrically arranged above and below the large arc. The length of the large arc is greater than that of the small arc, and the radius of the large arc is greater than that of the small arc.

The large arc and the small arc are both concave arc structures, and the large arc and the small arc with different lengths and radiuses are connected to form a wave concave arc shape, so that the contour of the surface shell 4 in the machined opening forms a wave convex arc shape.

EXAMPLE III

Based on the first embodiment and the second embodiment, the difference of the present embodiment is:

a watchcase band opening processing device comprises the watchcase band opening processing cutter. The lathe is provided with a rotating shaft, and the rotating shaft is fixedly connected with the tool shank 1 through a coupler.

This watchcase area mouth processing equipment's mode of action does:

1. fixedly connecting a tool shank 1 of a tool to a rotating shaft of a lathe;

2. the cutter head 3 of the cutter is clamped and embedded between two claws 4a of the watchcase 4, so that the blade 3a of the cutter head 3 is attached to the profile of the watchcase 4;

3. and starting the lathe to drive the cutter to rotate rapidly through the rotating shaft, and performing one-step grinding on the shell wall with the installation position by using the waist-shaped cutter 3a so as to form a complete and smooth machining surface.

Compared with the prior art, this watchcase area mouth processing equipment has following beneficial effect:

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the tool shank 1 is used more here; a connecting structure 2; a cone 2a; a cylindrical body 2b; a cutter head 3; a blade edge 3a; a watch case 4; with the term claw 4a, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified 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.

Claims

1. The utility model provides a watchcase area mouth processing cutter, includes handle of a knife and tool bit that links firmly mutually, its characterized in that, the tool bit is the waist type structure that the centre is thin increases to both ends thickness gradually, the hoop perisporium of tool bit is the cutting edge, the tool bit is the longitudinal symmetry structure, the upper and lower terminal surface diameter of tool bit equals, the blade structure of cutting edge is formed around the axis rotation by the circular arc line that the three-section links up mutually, three-section the circular arc line is including the great circular arc that is located the centre and being the symmetry and locating upper and lower little circular arc.

2. The watch case band opening processing tool according to claim 1, wherein the length of the large arc is larger than the length of the small arc, and the radius of the large arc is larger than the radius of the small arc.

3. The watchcase band opening machining tool of claim 1, characterized in that the end of the handle is connected to the bit by a connecting structure.

4. The tool for machining a watchcase band opening according to claim 3, wherein the connecting structure comprises a cone and a cylinder which are fixedly connected, the large-diameter end of the cone is fixedly connected with the end part of the handle, the small-diameter end of the cone is fixedly connected with the cylinder, and the tail end of the cylinder is connected with the tool bit.

5. The watchcase band opening machining tool of claim 4, characterized in that the handle is a cylindrical shaft, and the central axes of the handle, the cone, the cylinder and the bit coincide.

6. A watchcase band opening processing apparatus comprising the watchcase band opening processing tool according to any one of claims 1 to 5.

7. The watchcase band opening processing device of claim 6, further comprising a lathe having a rotating shaft secured to the handle by a coupler.