CN221967462U - A workpiece positioning device for CNC machining and manufacturing - Google Patents

Abstract

The utility model discloses a workpiece positioning device for CNC machining and manufacturing, including a base for setting a positioning mechanism, an annular groove provided on the front surface of the base, a table fixedly provided at the middle position of the front surface of the base, a movable block provided inside the annular groove, a locking groove provided at the bottom of the annular groove, a locking bolt provided on the front surface of the movable block, and positioning components fixedly provided on opposite sides of two movable blocks. The workpiece positioning device for CNC machining and manufacturing, by providing the movable block, the locking groove, the annular groove and the positioning component, enables the device to position and clamp the workpiece in multiple directions when in use, so that the device can clamp workpieces of different shapes, so that users do not need to replace new positioning mechanisms when processing products of different shapes, which brings convenience to users, improves the practicality of the device, and meets the use needs of users.

Description

A workpiece positioning device for CNC machining and manufacturing

Technical Field

The utility model relates to the technical field of CNC machining centers, in particular to a workpiece positioning device for CNC machining and manufacturing.

Background Art

CNC machining center is a high-efficiency automated machine tool composed of mechanical equipment and CNC system, which is suitable for machining complex parts. CNC machining center is one of the most productive and widely used CNC machine tools in the world. It has strong comprehensive machining capabilities, can complete more machining content after one clamping of the workpiece, and has high machining accuracy. For batch workpieces with medium machining difficulty, its efficiency is 5 to 10 times that of ordinary equipment. In particular, it can complete many machining processes that ordinary equipment cannot complete, and is more suitable for single-piece machining with complex shapes and high precision requirements or small and medium-batch multi-variety production. It concentrates the functions of milling, boring, drilling, tapping and thread cutting on one device, so that it has a variety of process means.

The comparative document "A workpiece positioning device for CNC machining and manufacturing", patent number (CN219967186U), uses a power mechanism to drive four sliders to move synchronously, so that four positioning plates can position the workpiece. The CNC machining center is also equipped with a clamping structure, such as a quick clamp, to clamp the workpiece after positioning. Through a single power input, the synchronous movement of the four positioning plates is achieved, which improves the positioning accuracy. The setting of the mounting groove facilitates the installation of the slider, so that the device has the advantages of single power input, high accuracy, and easy use.

However, the workpiece positioning device still has limitations when used. It can only position regular parts. When processing irregular parts, the positioning device needs to be replaced, which brings inconvenience to users and can no longer meet the needs of users.

Utility Model Content

The purpose of the utility model is to provide a workpiece positioning device for CNC machining and manufacturing, so as to solve the problem that the workpiece positioning device mentioned in the above background technology has limitations when used and can only position regular parts. When processing irregular parts, the positioning device needs to be replaced, which brings inconvenience to the user and can no longer meet the user's needs.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a workpiece positioning device for CNC machining and manufacturing, comprising a base for setting a positioning mechanism, an annular groove provided on the front surface of the base, and a table fixedly arranged at the middle position of the front surface of the base, a movable block is arranged inside the annular groove, a locking groove is provided at the bottom of the annular groove, a locking bolt is provided on the front surface of the movable block, a positioning assembly is fixedly arranged on opposite sides of two movable blocks, a cavity is provided inside the positioning assembly, a bevel gear is movably provided on one side of the rear surface of the positioning assembly through a rotating shaft, a lead screw is movably provided on one side of the positioning assembly through a rotating shaft, a linkage gear is fixedly provided on one end of the lead screw, a threaded sleeve is threadedly connected to one end of the lead screw close to the bevel gear, a welding block is fixedly provided on the top and bottom ends of the threaded sleeve, a guide rod is fixedly provided on one end of the welding block away from the linkage gear, and positioning blocks are provided on opposite sides of the two positioning assemblies.

Furthermore, the total number of the movable blocks is eight, and the eight movable blocks are designed to be equidistant from each other.

Furthermore, the number of the locking grooves is several, and the locking grooves and the annular grooves are integrated into one design.

Furthermore, the rear end of the locking bolt passes through the movable block and extends to the interior of the locking groove, and the locking bolt is threadedly connected to the locking groove.

Furthermore, a handle is fixedly provided at the front end of the bevel gear, and the front end of the handle passes through the positioning assembly and extends to the outside thereof.

Furthermore, the linkage gear is meshed with the bevel gear.

Furthermore, one side opposite to the two guide rods passes through the positioning assembly and is fixedly connected to the positioning block, and the guide rods are movably connected to the positioning assembly.

Furthermore, four stabilizing legs are arranged around the outer surface of the base, and the stabilizing legs are fixedly connected to the base.

Compared with the prior art, the beneficial effects of the utility model are:

The workpiece positioning device for CNC machining and manufacturing, by providing a movable block, a locking groove, an annular groove and a positioning component, enables the device to position and clamp the workpiece in multiple directions when in use, so that the device can clamp workpieces of different shapes, so that users do not need to replace new positioning mechanisms when processing products of different shapes, which brings convenience to users, improves the practicality of the device, and meets the usage needs of users.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic diagram of the structure of the utility model;

Figure 2 is a cross-sectional view of the structure of the utility model;

FIG3 is a partial enlarged schematic diagram of A in FIG1 ;

FIG. 4 is a partial enlarged schematic diagram of B in FIG. 2 .

In the figure: 1. base; 2. annular groove; 3. table; 4. movable block; 5. locking groove; 6. locking bolt; 7. positioning assembly; 8. bevel gear; 9. screw rod; 10. connecting gear; 11. threaded sleeve; 12. welding block; 13. guide rod; 14. positioning block; 15. handle.

DETAILED DESCRIPTION

The utility model is further described in detail below with reference to the accompanying drawings and through specific embodiments. The following embodiments are merely illustrative and not limiting of the protection scope of the utility model.

Please refer to Figures 1-4. The utility model provides a technical solution: a workpiece positioning device for CNC machining and manufacturing, including a base 1 for setting a positioning mechanism, the base 1 is used to set a positioning component, an annular groove 2 is provided on the front surface of the base 1, the annular groove 2 is used to set a corresponding component, a table 3 is fixedly set in the middle position of the front surface of the base 1, the table 3 is used to place the workpiece for processing, a movable block 4 is provided inside the annular groove 2, the movable block 4 can move in the annular groove 2, a locking groove 5 is provided at the bottom of the annular groove 2, the locking groove 5 is used to connect with a locking bolt 6, a locking bolt 6 is provided on the front surface of the movable block 4, the locking bolt 6 can limit the movable block 4, and a positioning component 7 is fixedly provided on the opposite side of the two movable blocks 4, the positioning component 7 is used for positioning, and a cavity is provided inside the positioning component 7. The positioning component 7 A bevel gear 8 is provided on one side of the inner rear surface through a rotating shaft, and the bevel gear 8 can drive the linkage gear 10 to rotate. A screw rod 9 is provided on one side of the positioning component 7 through a rotating shaft, and the screw rod 9 can drive the threaded sleeve 11 to move. A linkage gear 10 is fixedly provided at one end of the screw rod 9, and the linkage gear 10 can drive the screw rod 9 to rotate. The end of the screw rod 9 close to the bevel gear 8 is threadedly connected with a threaded sleeve 11, and the threaded sleeve 11 can drive the guide rod 13 to move. The top and bottom ends of the threaded sleeve 11 are fixedly provided with welding blocks 12, and the welding blocks 12 are used to set the guide rod 13. The end of the welding block 12 away from the linkage gear 10 is fixedly provided with a guide rod 13, and the guide rod 13 can drive the positioning block 14 to move. Positioning blocks 14 are provided on the opposite sides of the two positioning components 7, and the positioning blocks 14 can position the workpiece.

Furthermore, the total number of movable blocks 4 is eight, and the eight movable blocks 4 are designed to be equidistant from each other, wherein the movable blocks 4 can move in the annular groove 2 .

Furthermore, there are a plurality of locking grooves 5 , and the locking grooves 5 and the annular groove 2 are integrated into one design, wherein the locking grooves 5 are used to be connected to the locking bolts 6 .

Furthermore, the rear end of the locking bolt 6 passes through the movable block 4 and extends to the interior of the locking groove 5 , and the locking bolt 6 is threadedly connected to the locking groove 5 , wherein the locking bolt 6 can limit the movable block 4 .

Furthermore, a handle bar 15 is fixedly provided at the front end of the bevel gear 8 , and the front end of the handle bar 15 penetrates through the positioning assembly 7 and extends to the outside thereof, wherein the handle bar 15 can drive the bevel gear 8 to rotate.

Furthermore, the linkage gear 10 is meshed with the bevel gear 8 , wherein the linkage gear 10 can drive the screw rod 9 to rotate.

Furthermore, opposite sides of the two guide rods 13 penetrate the positioning assembly 7 and are fixedly connected to the positioning block 14 , and the guide rods 13 are movably connected to the positioning assembly 7 , wherein the guide rods 13 can drive the positioning block 14 to move.

Furthermore, four stabilizing legs are disposed around the outer surface of the base 1 , and the stabilizing legs are fixedly connected to the base 1 , wherein the stabilizing legs can provide stable support for the base 1 .

Working principle: When using this device, the user adjusts the position of the movable block 4 in the annular groove 2 as needed, and drives the positioning assembly 7 set thereon to move by moving the movable block 4, so that the positioning assembly 7 moves to a suitable position for positioning and clamping. When the positioning assembly 7 moves to a suitable position, the user rotates the handle 15 to drive the bevel gear 8 to rotate, and the rotation of the bevel gear 8 drives the linkage gear 10 to rotate, and the rotation of the linkage gear 10 drives the screw rod 9 to rotate, and the rotation of the screw rod 9 drives the threaded sleeve 11 to move, and the welding block 12 moves through the threaded sleeve 11, and the guide rod 13 moves through the welding block 12, and the positioning block 14 moves through the guide rod 13, so that the positioning block 14 positions and clamps the workpiece.

According to the above working process, we can know:

The workpiece positioning device for CNC machining and manufacturing, by providing a movable block 4, a locking groove 5, an annular groove 2 and a positioning component 7, enables the device to position and clamp the workpiece in multiple directions when in use, so that the device can clamp workpieces of different shapes, so that users do not need to replace new positioning mechanisms when processing products of different shapes, which brings convenience to users, improves the practicality of the device, and meets the user's usage needs.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A workpiece positioning device for CNC machining and manufacturing, comprising a base (1) for setting a positioning mechanism, an annular groove (2) provided on the front surface of the base (1), and a table (3) fixedly provided at the middle position of the front surface of the base (1), characterized in that: a movable block (4) is provided inside the annular groove (2), a locking groove (5) is provided at the bottom of the annular groove (2), a locking bolt (6) is provided on the front surface of the movable block (4), and a positioning assembly (7) is fixedly provided on the opposite side of the two movable blocks (4), a cavity is provided inside the positioning assembly (7), and the positioning assembly (7) is fixedly provided with a locking bolt (6) on the front surface of the movable block (4). A bevel gear (8) is movably arranged on one side of the inner rear surface of the positioning assembly (7) through a rotating shaft, a screw rod (9) is movably arranged on one side of the positioning assembly (7) through a rotating shaft, a linkage gear (10) is fixedly arranged on one end of the screw rod (9), a threaded sleeve (11) is threadedly connected to the end of the screw rod (9) close to the bevel gear (8), welding blocks (12) are fixedly arranged on the top and bottom ends of the threaded sleeve (11), a guide rod (13) is fixedly arranged on the end of the welding block (12) away from the linkage gear (10), and positioning blocks (14) are arranged on opposite sides of the two positioning assemblies (7). 2. A workpiece positioning device for CNC machining and manufacturing according to claim 1, characterized in that the total number of the movable blocks (4) is eight, and the eight movable blocks (4) are designed to be equidistant from each other. 3. A workpiece positioning device for CNC machining and manufacturing according to claim 1, characterized in that: the number of the locking grooves (5) is several, and the locking grooves (5) and the annular groove (2) are integrated into one design. 4. A workpiece positioning device for CNC machining and manufacturing according to claim 1, characterized in that the rear end of the locking bolt (6) passes through the movable block (4) and extends to the inside of the locking groove (5), and the locking bolt (6) is threadedly connected to the locking groove (5). 5. A workpiece positioning device for CNC machining and manufacturing according to claim 1, characterized in that a handle bar (15) is fixedly provided at the front end of the bevel gear (8), and the front end of the handle bar (15) penetrates the positioning component (7) and extends to the outside thereof. 6. A workpiece positioning device for CNC machining and manufacturing according to claim 1, characterized in that the linkage gear (10) is meshed with the bevel gear (8). 7. A workpiece positioning device for CNC machining and manufacturing according to claim 1, characterized in that: the opposite sides of the two guide rods (13) both penetrate the positioning assembly (7) and are fixedly connected to the positioning block (14), and the guide rods (13) and the positioning assembly (7) are movably connected. 8. A workpiece positioning device for CNC machining and manufacturing according to claim 1, characterized in that four stabilizing legs are arranged around the outer surface of the base (1), and the stabilizing legs are fixedly connected to the base (1).