CN212185459U - A CNC machine tool with the function of engraving the inner ring of a ring or bracelet - Google Patents

Abstract

The utility model relates to the field of numerical control processing of jewelry, in particular to a numerical control machine tool with a ring or bracelet inner ring engraving function, which is characterized by comprising a machine body, a stand column, an x-axis sliding table, a y-axis sliding table, a z-axis sliding table, an x-axis motion mechanism, a y-axis motion mechanism, a z-axis motion mechanism, an engraving device, an ac-axis workbench, a fixed clamp and a pneumatic clamp; the machine body is provided with a stand column and an ac shaft workbench; an x-axis sliding table is arranged above the upright post through an x-axis movement mechanism; the x-axis sliding table is provided with a y-axis sliding table through a y-axis movement mechanism; the y-axis sliding table is connected with a Z-axis sliding table through a Z-axis movement mechanism; a carving device is arranged on the Z-axis sliding table; and a fixed clamp and a pneumatic clamp are arranged on the ac shaft workbench. The three linear shafts can drive the carving shafts to move, and meanwhile, the AC shaft workbench can correspondingly turn over the ring or the bracelet on the clamp, so that the aim of comprehensively carving the inner ring of the ring or the bracelet is achieved.

Description

A CNC machine tool with the function of engraving the inner ring of a ring or bracelet

technical field

The utility model relates to the field of numerical control processing of jewelry, mainly refers to a numerical control machine tool for engraving the inner ring of a ring or a bracelet.

Background technique

Jewelry was originally made by hand, and since cnc equipment entered the jewelry field, cnc jewelry has only been produced, and most rings and bracelets are processed by CNC machine tools, but traditional CNC equipment is processing jewelry, especially engraving. At the time, most of them can only be used on the outer surface of the ring or bracelet. Even if the inner surface can be engraved, the engraving range is small, and the engraving patterns are relatively small. However, the cost of manual engraving is high, the consistency is relatively poor, the fault tolerance rate is low, and the efficiency and yield are also unsatisfactory.

Utility model content

The utility model is a numerical control machine tool with the function of engraving the inner ring of the ring or the bracelet, which is developed to solve the problem of engraving the inner ring of the ring or the bracelet.

In order to achieve the above-mentioned purpose, the scheme that the utility model adopts is:

A CNC machine tool with a ring or bracelet inner ring engraving function, including a bed, a column, an x-axis sliding table, a y-axis sliding table, a z-axis sliding table, and an x-axis motion mechanism, a y-axis motion mechanism, and a z-axis motion mechanism , engraving device, ac axis table, fixed fixture and pneumatic fixture;

A column and an ac-axis table are installed on the bed;

The x-axis slide table is installed above the column through the x-axis motion mechanism;

The x-axis sliding table is installed with the y-axis sliding table through the y-axis motion mechanism; the y-axis sliding table is connected with the Z-axis sliding table through the Z-axis motion mechanism; the Z-axis sliding table is provided with an engraving device;

There are fixed clamps and pneumatic clamps on the ac axis table.

The chip receiving part of the bed is funnel-shaped and is equipped with a recycling funnel, and a recycling water tank is provided under the bed corresponding to the recycling funnel.

The z-axis slide table is mounted on the front end of the y-axis slide table through vertical slide rails.

The ac-axis table is installed on the bed through the arched plate.

The engraving device includes a guide rail slider, an integral fixing plate, a special engraving head, an engraving head front end bracket, an engraving head bracket, an inner adjustment block, an outer adjustment block, a limit block, a center roller adjustment block, and a steel wire; the guide rail slider is fixed on the whole. On the fixing plate, the rear end bracket of the engraving head is connected with the slider, and the engraving head is installed on the rear end bracket of the engraving head through the front end bracket of the engraving head; the inner and outer adjustment blocks are connected with the central roller by steel wires and fixed with screws , adjust the engraving depth of the engraving head.

The pneumatic clamp is a clamping type pneumatic clamp, and the fixing clamp is composed of an outer clamp body and an inner clamp body, and is fixed by screws and retaining rings.

The three linear axis motion mechanisms of x-axis, y-axis and z-axis are all driven by servo motors, with ball screws as transmission carriers, and rely on linear guides and sliders to achieve plane motion.

The ac-axis worktable includes a-axis and c-axis. The a-axis drives the worktable to swing and is driven by a servo motor; the c-axis drives the fixture to rotate, which is driven by a servo motor, and uses a right-angle divider to change direction.

The beneficial effects of the present utility model are:

1. The numerical control machine tool with the engraving of the ring or the inner ring of the bracelet provided by the present utility model can transfer the program into the numerical control system through numerical control programming and other software programming, so that the machine tool can carry out processing and engraving according to the pre-planned route, and can directly Engraving the inner ring of a ring or bracelet, the processing speed is fast, the route is precise, and the consistency is high.

2. In the utility model, the a-axis drives the ac-axis worktable to perform swing motion, and the c-axis drives the tooling fixture to perform rotational motion. The a-axis can drive the fixture to swing, and the c-axis can drive the fixture to rotate. In theory, the a-axis and the c-axis have no swing angle limitation, but due to usage reasons, the a-axis of the utility model is limited to within 120 degrees in both directions, and the c-axis can be rotated infinitely.

Description of drawings

Fig. 1 is the overall schematic diagram of the numerical control machine tool of the present invention.

Figure 2 is a side view of the engraving device of the present invention.

3 is a perspective view of the engraving device of the present invention.

Figure 4 is a schematic diagram of the fixture of the present invention.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings, as shown in Figures 1-4,

Example

Install the column at the corresponding joint position of the bed, install the x-axis slide 3 and the x-axis linear motion mechanism 6 on the column 2, and install the y-axis slide 4 and the y-axis linear motion mechanism 7 on the x-axis slide 3 Above, the z-axis slide table 5 and the z-axis motion mechanism 8 are mounted on the front end of the y-axis slide table 4 , and the engraving device 9 is mounted on the front end of the z-axis slide table 5 . The ac-axis table 10 is installed on the corresponding joint surface of the bed 1 through an arched plate. The engraving device 9 is fixed on the front end of the z-axis slide table 5, so the engraving device 9 can directly control its movement through the linear axis of the CNC machine tool. The ring or bracelet is fixed to the front end of the a-axis through the workpiece fixture 11 and the pneumatic fixture 12 to perform swinging and rotating motions.

The engraving device includes a guide rail slider 15, an integral fixing plate 16, a special engraving head 17, an engraving head front end bracket 18, an engraving head bracket 19, an inner adjustment wheel 20, an outer adjustment wheel 21, a limit block 22, a center adjustment roller 23, steel wire 24, connecting block 25. The engraving device 9 is integrally fixed on the z-axis slide table 5 through the integral fixing plate 16 , the guide rail slider 15 is installed on the integral fixing plate 16 at the same time, and the engraving head bracket 19 is installed on the sliding block 15 through the connecting plate 25 . It can move in a straight line with the slider, and the limit block 22 is installed at the corresponding interface of the integral fixing plate 16, so that the slider 15 cannot fall off to achieve the purpose of limiting, the engraving head 17 passes through the engraving head front end bracket 18 and the engraving head bracket 19 After adjusting the position of the engraving head 17, it is locked by screws or top screws. The inner adjustment wheel 20 and the outer adjustment wheel 21 are respectively installed at the corresponding interface of the integral fixing plate 16 through the steel wire 24, bypassing the central adjustment roller 23, and at the same time connected with the end of the engraving head bracket 19 through the steel wire 24, and through screws and reserved recesses. Slot locked. Make the slider have downward traction in the natural state, that is, in the non-processed state.

The engraving head 17 of the engraving device 9 is provided with traction force by the steel wire 24, and can work directly without any external force during engraving. At the same time, the adjusting wheel 20 has a plurality of fixed positions, and the engraving force during processing can be adjusted by adjusting the length and specification of the steel wire 24 and the fixed position of the adjusting wheel 20 .

The ac-axis table 10 includes an a-axis and a c-axis. The a-axis and the c-axis are installed at the corresponding joint surfaces of the bed through the integral fixed table. The a-axis is driven by a servo motor to indirectly control the ring or bracelet to rotate. Servo motor drive, which indirectly controls the ring or bracelet swing.

The clamp includes an inner ring clamp body 26 and an outer ring clamp body 27. The outer ring clamp body can be placed in the pneumatic clamp 12 and can be disassembled by the switch of the pneumatic clamp 12. The inner ring clamp body 26 and the outer ring clamp body 27 are connected by screws 29. Connected, and fixed and locked by the flat washer 28 and the split ring 30.

The above are the preferred structures of this solution, so the structures, features, principles and changes and modifications made within the scope of this patent application are all included within the scope of this patent application.

Claims (8)

1. A numerical control machine tool with a ring or bracelet inner ring engraving function is characterized by comprising a machine body, a stand column, an x-axis sliding table, a y-axis sliding table, a z-axis sliding table, an x-axis moving mechanism, a y-axis moving mechanism, a z-axis moving mechanism, an engraving device, an ac-axis working table, a fixing clamp and a pneumatic clamp;

the machine body is provided with a stand column and an ac shaft workbench;

an x-axis sliding table is arranged above the upright post through an x-axis movement mechanism;

the x-axis sliding table is provided with a y-axis sliding table through a y-axis movement mechanism; the y-axis sliding table is connected with a Z-axis sliding table through a Z-axis movement mechanism; a carving device is arranged on the Z-axis sliding table;

and a fixed clamp and a pneumatic clamp are arranged on the ac shaft workbench.

2. The numerical control machine tool with the ring or bracelet inner ring engraving function as claimed in claim 1, characterized in that the receiving place of the machine body is funnel-shaped and is provided with a recovery funnel, and a recovery water tank is arranged below the machine body corresponding to the recovery funnel.

3. The numerical control machine tool with the ring or bracelet inner ring engraving function according to claim 1, characterized in that the z-axis sliding table is mounted at the front end of the y-axis sliding table through a vertical sliding rail.

4. The numerical control machine tool with the ring or bracelet inner ring engraving function according to claim 1, characterized in that the ac-axis workbench is installed on the machine bed through a cambered plate.

5. The numerical control machine tool with the ring or bracelet inner ring engraving function is characterized in that the engraving device comprises a guide rail sliding block, an integral fixing plate, a special engraving head, an engraving head front end support, an engraving head support, an inner side adjusting block, an outer side adjusting block, a limiting block, a center roller adjusting block and a steel wire; the guide rail sliding block is fixed on the integral fixing plate, the rear end bracket of the engraving head is connected with the sliding block, and the engraving head is arranged on the rear end bracket of the engraving head through the front end bracket of the engraving head; the inner side adjusting block and the outer side adjusting block are connected with the central roller through steel wires and fixed by screws, and the carving depth of the carving head is adjusted.

6. The numerical control machine tool with the ring or bracelet inner ring engraving function is characterized in that the pneumatic clamp is a clamping type pneumatic clamp, and the fixing clamp is composed of an outer clamp body and an inner clamp body and is fixed through screws and a check ring.

7. The numerical control machine tool with the ring or bracelet inner ring engraving function is characterized in that three linear axis motion mechanisms of an x axis, a y axis and a z axis are driven by servo motors, are used as transmission carriers by ball screws and realize plane motion by virtue of linear guide rails and sliding blocks.

8. The numerical control machine tool with the ring or bracelet inner ring engraving function according to claim 1, characterized in that the ac-axis workbench comprises an a-axis and a c-axis, the a-axis drives the workbench to perform swinging motion, and the c-axis drives the clamp to perform rotating motion, and the clamp is driven by a servo motor and is turned by a right-angle divider.

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