Clamping jaw structure capable of preventing scraps from being accumulated

Abstract

The utility model discloses a scrap accumulation prevention clamping jaw structure which comprises a jaw disc, a plurality of sliding grooves are formed in the upper surface of the jaw disc, a translation block is movably connected in each sliding groove, a ventilation mechanism is arranged in each translation block, the end, away from the jaw disc, of each translation block is fixedly connected with an adjusting nut, and the end, away from the jaw disc, of each translation block is fixedly connected with the corresponding adjusting nut. Adjusting screws are in threaded connection with the interiors of the adjusting nuts correspondingly, a rotating ring is fixedly connected to the lower surface of the claw disc, and an air conveying disc is rotationally connected to the rotating ring. The translation block can cover the multiple sliding grooves in the claw disc, so that chippings generated during machining can be blocked by the translation block, the chippings are prevented from sliding into the sliding grooves, the sliding grooves and the translation block are protected, and abrasion generated by the chippings and errors and looseness generated by abrasion are reduced. In the machining process, a conveying pipe on the gas conveying disc is connected with an external gas conveying mechanism, a gas conveying machine conveys gas into the gas conveying disc through the conveying pipe, and the gas conveying disc can convey the gas into the rotating ring.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a chip accumulation preventing claw structure. Background Art

[0002] The claw plate is a mechanical device used to clamp the workpiece on the machine tool. It is a machine tool accessory that uses the radial movement of the movable claws evenly distributed on the claw plate body to clamp and position the workpiece. The claw plate is usually installed on lathes, external cylindrical grinders and internal cylindrical grinders. It can also be used in conjunction with various indexing devices for milling machines and drilling machines.

[0003] After searching the prior art, publication number CN218283788U discloses a three-claw disc with automatic chip removal, including a disc body, a plurality of claw grooves on the surface of the disc body, claws movably arranged in the claw grooves, a spiral disc for driving the claws to move is arranged in the disc body, the spiral disc can rotate in the disc body, a spiral groove is arranged on the surface of the spiral disc, a transmission groove corresponding to the spiral groove is arranged on the inner side surface of the claw, the transmission groove on the claw is clamped on the spiral groove, and the rotation of the spiral disc can drive the claw to move along the claw groove through the spiral groove; a debris cavity is arranged in the disc body, and the debris cavity is located on the front side of the spiral disc. When the spiral disc rotates, the debris stuck in the spiral groove can be brought into the debris cavity from the claw groove; a chip removal channel is arranged on the side wall of the disc body, and the chip removal channel is connected to the debris cavity.

[0004] In the comparative document, a chip cavity is provided to accommodate metal chips. When there are more metal chips in the spiral groove, the excess metal chips will enter the chip cavity. A chip removal channel connected to the chip cavity is also provided on the side wall of the disc body. When the lathe is working, the three-claw claw disc will rotate rapidly, and the rotating claw disc will throw the metal chips in the chip cavity out of the chip removal channel through centrifugal force. However, there is a large gap between the end face of the clamping claw and the support block. When the chips fall into the gap, the claw disc and the clamping claw will be worn. Long-term use will cause the clamping claw to loosen, affecting the processing quality. Utility Model Content

[0005] The purpose of the utility model is to provide a chip accumulation prevention claw structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: it includes a claw plate, a plurality of slide grooves are provided on the upper surface of the claw plate, a translation block is movably connected in each of the slide grooves, a ventilation mechanism is provided inside the plurality of translation blocks, an adjusting nut is fixedly connected to one end of the translation block away from the claw plate, an adjusting screw is threadedly connected in the adjusting nut, a rotating ring is fixedly connected to the lower surface of the claw plate, and an air supply plate is rotatably connected to the rotating ring.

[0007] Preferably, the ventilation mechanism includes a plurality of ventilation rings, and the plurality of ventilation rings are all opened inside the translation block, and the plurality of ventilation rings are all in the same horizontal plane. A connecting groove is opened in the middle of the ventilation ring, and the plurality of ventilation rings are connected through the connecting groove. An insertion tube is fixedly connected to the lower surface of the translation block, and the insertion tube is connected to the connecting groove.

[0008] Preferably, a plurality of rotation grooves are provided on the side of the claw disk, and a turntable is fixedly connected to one end of the adjusting screw close to the claw disk, the turntable and the rotation grooves are adapted to each other, and a rotating handle is fixedly connected to one end of the adjusting screw away from the claw disk.

[0009] Preferably, a ventilation groove is provided at one end of the slide groove close to the center of the claw plate, the ventilation groove is adapted to the insertion tube, a vertical pipe is provided at the lower end of the ventilation groove, an annular groove is provided inside the rotating ring, and the vertical pipe is connected to the annular groove.

[0010] Preferably, the translation block is arranged with the center of the claw disk as the central circumference, and an inclined surface is opened on the side of the translation block, and the inclined surface is connected to the ventilation ring.

[0011] Preferably, a plurality of dividing plates are fixedly connected inside the rotating ring, each of the dividing plates is located between two adjacent vertical tubes, and a lower port of the rotating ring is fixedly connected to a limiting slideway.

[0012] Preferably, the gas delivery disc is adapted to the limiting slide, the shape of the gas delivery disc is an arc, a transmission pipe is fixedly connected to the lower surface of the gas delivery disc, and a connector is fixedly connected to one end of the transmission pipe away from the gas delivery disc.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the translation block can cover the multiple slide grooves on the claw plate, so that the debris generated by processing will be blocked by the translation block, preventing the debris from sliding into the slide groove, protecting the slide groove and the translation block, reducing the wear caused by the debris and the errors and looseness caused by wear.

[0014] During the processing, the transmission pipe on the gas delivery disc will be connected to the external gas delivery mechanism. The gas delivery machine will deliver gas to the gas delivery disc through the transmission pipe, and the gas delivery disc can deliver the gas to the rotating ring. The vertical pipe in the rotating ring can transmit the gas to the ventilation groove, and the gas is transmitted to the inside of the translation block through the insertion tube in the ventilation groove. Finally, the gas is input into multiple ventilation rings through the connecting groove, and finally output from both sides of the moving disc, which can wash away the debris on the surface of the claw disc and the side of the translation block, and play a better role in preventing chip accumulation. When the claw disc rotates, the gas delivery disc can rotate on the rotating ring, supply gas to different vertical pipes, and can intermittently supply gas to different translation discs, which has the effect of cleaning the claw discs in different areas. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the translation block structure of the utility model;

[0017] Figure 3 It is a cross-sectional schematic diagram of the translation block of the utility model;

[0018] Figure 4 The following is a schematic diagram of the cross-sectional structure of a new claw disc used in this paper:

[0019] Figure 5 This is a schematic diagram of the cross-sectional structure of the rotating ring of the utility model;

[0020] Figure 6 It is a schematic diagram of the bottom structure of the utility model.

[0021] In the figure: 1. claw plate; 2. slide groove; 3. translation block; 4. ventilation mechanism; 5. adjusting nut; 6. adjusting screw; 7. rotating ring; 8. air delivery plate; 9. ventilation ring; 10. connecting groove; 11. insertion tube; 12. rotating groove; 13. turntable; 14. rotating handle; 15. ventilation groove; 16. vertical pipe; 17. annular groove; 18. inclined surface; 19. dividing plate; 20. limiting slideway; 21. transmission pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5 , the utility model provides embodiments:

[0024] Embodiment: It includes a claw plate 1, and a plurality of chute 2 is provided on the upper surface of the claw plate 1, and a translation block 3 is movably connected in each of the chute 2. The translation block 3 moves in the chute 2 to fix the workpiece. A ventilation mechanism 4 is provided inside the plurality of translation blocks 3. The ventilation mechanism 4 includes a plurality of ventilation rings 9, and a plurality of the ventilation rings 9 are provided inside the translation block 3. The ventilation ring 9 can clean up the debris, and the plurality of the ventilation rings 9 are all in the same horizontal plane, and a connecting groove 10 is provided in the middle of the ventilation ring 9. The connecting groove 10 can connect the plurality of ventilation rings 9 to each other and transfer the gas to each other. The plurality of the ventilation rings 9 are connected through the connecting groove 10, and an insertion tube 11 is fixedly connected to the lower surface of the translation block 3, and the insertion tube 11 is connected to the connecting groove 10. The insertion tube 11 can transfer the gas into the connecting groove 10, and then into the ventilation ring 9.

[0025] The end of the translation block 3 away from the claw plate 1 is fixedly connected with an adjusting nut 5, and the adjusting nut 5 is threadedly connected with an adjusting screw 6. Rotating the adjusting screw 6 can make the adjusting nut 5 move on the adjusting screw 6, thereby driving the translation block 3 to move and adjust the position of the translation block 3. A plurality of rotation grooves 12 are provided on the side of the claw plate 1, and the end of the adjusting screw 6 close to the claw plate 1 is fixedly connected with a turntable 13, and the turntable 13 is adapted to the rotation groove 12, and the end of the adjusting screw 6 away from the claw plate 1 is fixedly connected with a rotating handle 14. The turntable 13 facilitates the rotation of the adjusting screw 6 in the rotation groove 12 of the claw plate 1, and the rotating handle 14 facilitates the rotation of the adjusting screw 6.

[0026] The plurality of translation blocks 3 are arranged around the center of the claw plate 1, and an inclined surface 18 is provided on the side of the translation block 3, and the inclined surface 18 is connected to the ventilation ring 9. The gas in the ventilation ring 9 is discharged from the inclined surface 18 to clean the debris on the side of the translation block 3.

[0027] A ventilation groove 15 is provided at one end of the slide groove 2 near the center of the claw plate 1, and the ventilation groove 15 is adapted to the insertion tube 11, and a vertical pipe 16 is provided at the lower end of the ventilation groove 15. An annular groove 17 is provided inside the rotating ring 7, and the vertical pipe 16 is connected to the annular groove 17. The annular groove 17 facilitates the transmission pipe 21 of the gas delivery disc 8 to transport gas when the gas delivery disc 8 rotates.

[0028] A plurality of partition plates 19 are fixedly connected to the interior of the rotating ring 7, each of which is located between two adjacent vertical pipes 16, and a limit slide 20 is fixedly connected to the lower end of the rotating ring 7. The gas delivery plate 8 is adapted to the limit slide 20, and the shape of the gas delivery plate 8 is an arc shape. A transmission pipe 21 is fixedly connected to the lower surface of the gas delivery plate 8, and a connector 22 is fixedly connected to the end of the transmission pipe 21 away from the gas delivery plate 8.

[0029] When the raw material needs to be processed, the rotating handle 14 is first adjusted to rotate the adjusting screw 6, driving the adjusting nut 5 threadedly connected thereto to move. The movement of the adjusting nut 5 can drive the translation block 3 to move, so that the translation block 3 fixes the raw material. After the fixing is completed, the machine tool can process the raw material.

[0030] When the debris generated by processing falls, the translation block 3 will block the chute 2 to prevent the debris from falling into the chute 2. At the same time, the external air compressor delivers gas to the gas delivery disk 8 through the transmission pipe 21. The gas delivered to the gas delivery disk 8 is delivered to the connecting groove 10 of the translation block 3 through the vertical pipe 16 connected thereto. The gas is delivered to the ventilation ring 9 in the connecting groove 10, rushes out from both sides of the translation block 3, and washes away the debris on both sides of the translation block 3, further preventing the accumulation of debris.

[0031] When the claw plate 1 rotates, the air supply plate 8 can be connected with different vertical pipes 16 to supply air to different translation blocks 3, thereby achieving the effect of cleaning different areas of the claw plate 1.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A chip accumulation prevention claw structure, comprising a claw plate (1), characterized in that: The upper surface of the claw plate (1) is provided with a plurality of slide grooves (2), each of which is movably connected to a translation block (3), and a ventilation mechanism (4) is provided inside each of the plurality of translation blocks (3). An end of the translation block (3) away from the claw plate (1) is fixedly connected to an adjustment nut (5), and an adjustment screw (6) is threadedly connected inside the adjustment nut (5). A rotating ring (7) is fixedly connected to the lower surface of the claw plate (1), and an air delivery plate (8) is rotatably connected to the rotating ring (7).

2. The anti-chip accumulation claw structure according to claim 1, characterized in that: The ventilation mechanism (4) comprises a plurality of ventilation rings (9), the plurality of ventilation rings (9) are all arranged inside the translation block (3), the plurality of ventilation rings (9) are all located on the same horizontal plane, a connecting groove (10) is arranged in the middle of the ventilation ring (9), the plurality of ventilation rings (9) are connected to each other via the connecting groove (10), an insertion tube (11) is fixedly connected to the lower surface of the translation block (3), and the insertion tube (11) is connected to the connecting groove (10).

3. The anti-chip accumulation claw structure according to claim 2, characterized in that: A plurality of rotation slots (12) are provided on the side of the claw plate (1); one end of the adjusting screw (6) close to the claw plate (1) is fixedly connected to a rotating disk (13); the rotating disk (13) and the rotation slots (12) are matched; and one end of the adjusting screw (6) away from the claw plate (1) is fixedly connected to a rotating handle (14).

4. The anti-chip accumulation claw structure according to claim 2, characterized in that: A ventilation groove (15) is provided at one end of the slide groove (2) close to the center of the claw plate (1), and the ventilation groove (15) is adapted to the insertion tube (11). A vertical pipe (16) is provided at the lower end of the ventilation groove (15). An annular groove (17) is provided inside the rotating ring (7), and the vertical pipe (16) is connected to the annular groove (17).

5. The anti-chip accumulation claw structure according to claim 2, characterized in that: The plurality of translation blocks (3) are arranged on a circle with the center of the claw plate (1) as the central circumference. The side of the translation block (3) is provided with an inclined surface (18), and the inclined surface (18) is connected to the ventilation ring (9).

6. The anti-chip accumulation claw structure according to claim 4, characterized in that: A plurality of partition plates (19) are fixedly connected inside the rotating ring (7), each of the partition plates (19) is located between two adjacent vertical pipes (16), and a lower port of the rotating ring (7) is fixedly connected to a limiting slideway (20).

7. The anti-chip accumulation claw structure according to claim 6, characterized in that: The gas delivery disc (8) is adapted to the limiting slideway (20); the gas delivery disc (8) is in the shape of an arc; a transmission pipe (21) is fixedly connected to the lower surface of the gas delivery disc (8); and a connector (22) is fixedly connected to one end of the transmission pipe (21) away from the gas delivery disc (8).

Images