CN216801735U

CN216801735U - Blade fixing mechanism for lathe

Info

Publication number: CN216801735U
Application number: CN202220083513.3U
Authority: CN
Inventors: 屈振海; 屈振军
Original assignee: Tangshan Honghai Welding Technology Co ltd
Current assignee: Tangshan Honghai Welding Technology Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-24
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a blade fixing mechanism for a lathe, which comprises a knife rest, wherein a fixed clamping mechanism is arranged on the top surface of the knife rest close to a vertex angle, a fixed column is arranged under the knife rest, four fixed grooves are equidistantly arranged on the side edge of the knife rest, a connecting column is arranged on the bottom surface of the knife rest close to the center, six sliding blocks are equidistantly arranged on the outer side of the connecting column, two reset springs are arranged on one side of each sliding block close to two ends, an extrusion groove is formed in one side of each sliding block close to the inner wall, a plurality of clamping blocks are equidistantly arranged on the other side of each sliding block, a movable seat is movably connected to the bottom end of each connecting column, a lifting plate is arranged under the movable seat, and a telescopic rod is arranged on the bottom surface of the lifting plate. According to the blade fixing mechanism for the lathe, when the lathe tool is replaced, the machining operation of the lathe is not influenced, the stress positioning range can be expanded, and the service life of the lathe tool is prolonged.

Description

Blade fixing mechanism for lathe

Technical Field

The utility model relates to the field of fixing mechanisms, in particular to a blade fixing mechanism for a lathe.

Background

The lathe is a machine tool for turning a rotating workpiece by mainly using a lathe tool, is mainly used for cutting and processing inner and outer cylindrical surfaces, inner and outer conical surfaces with any cone angle, complex rotary inner and outer curved surfaces, cylinders, conical threads and the like of shaft parts or disc parts, and can fix and limit the lathe tool through a fixing mechanism; the existing fixing mechanism has certain disadvantages to be improved when in use, firstly, one tool rest can only fix one turning tool, when the turning tool is replaced and maintained, the turning tool needs to stop working, the working efficiency of the turning tool is influenced, secondly, the existing fixing mechanism enables the fixing screw to penetrate through the middle part of the turning tool to be fixed with the tool rest, the stress position is single, and the situation of looseness and bending is easy to occur after the fixing screw is used for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a blade fixing mechanism for a lathe, which can effectively solve the technical problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a blade fixing mechanism for a lathe comprises a tool rest, wherein a fixed clamping mechanism is arranged on the top surface of the tool rest close to a vertex angle, a fixed column is arranged under the tool rest, and the side edges of the knife rest are equidistantly provided with four fixed grooves, the bottom surface of the knife rest is provided with a connecting column near the center, six sliding blocks are equidistantly arranged on the outer side of the connecting column, two return springs are respectively arranged on one side of each sliding block close to the two ends, and one side of the sliding block is provided with an extrusion groove close to the inner wall, the other side of the sliding block is provided with a plurality of clamping blocks at equal intervals, the bottom end of the connecting column is movably connected with a movable seat, a lifting plate is arranged right below the movable seat, the bottom surface of the lifting plate is provided with a telescopic rod, and the top surface of lifter plate is provided with six stripper bars by the side equidistance, the side of spliced pole is provided with six groups of draw-in grooves by the inner wall equidistance.

As a further scheme of the utility model, the fixed clamping mechanism comprises a main screw and two adjusting plates, two tooth blocks are arranged in the middle of the outer surface of the main screw, a transmission belt is arranged on the outer side of the tooth blocks, rotating threaded sleeves are arranged on the inner portion of the transmission belt close to two ends, an auxiliary screw is arranged on the inner portion of the rotating threaded sleeve close to the lower end, and a fixed threaded sleeve is arranged right below the rotating threaded sleeve.

As a further scheme of the utility model, the sliding block is connected with the inner wall of the fixed column in a sliding mode close to the upper end, one end of the reset spring is fixedly connected with the inner surface of the fixed column, and the extrusion groove is clamped with the extrusion rod.

As a further scheme of the utility model, the side edge of the movable seat is fixedly connected with the inner surface of the fixed column, the connecting column is movably connected with the fixed column, the clamping block is matched with the clamping groove, and the lifting plate is in sliding connection with the inner part of the fixed column close to the lower end.

As a further scheme of the utility model, the cross sections of the two corresponding adjusting plates are arranged in a 90-degree vertical state, the two adjusting plates are positioned at two different vertical heights, the two tooth blocks are respectively positioned in the two adjusting plates and close to the center, the tooth blocks are movably connected with the adjusting plates, the inner sides of the tooth blocks are meshed with the upper end of the main screw rod, and the outer sides of the tooth blocks are meshed with the transmission belt.

As a further scheme of the utility model, the transmission belt is matched with the two corresponding rotary threaded sleeves, the rotary threaded sleeves and the fixed threaded sleeves are both positioned on the inner wall of the tool rest and movably connected with the tool rest, the fixed threaded sleeves are fixedly connected with the inner wall of the tool rest, and the auxiliary screw rods are in threaded connection with the rotary threaded sleeves and the fixed threaded sleeves.

Compared with the prior art, the utility model has the following beneficial effects: the lifting plate moves downwards in the fixed column to further drive the extrusion rod to be separated from the extrusion groove, the reset spring drives the sliding block to slide outwards to separate the clamping block from the clamping groove, the connecting column is enabled to restore to a movable state, the tool rest is further rotated, the vertical position of the tool rest is kept unchanged when the tool rest is rotated through the movable seat, another lathe tool is moved to a machining position, the lifting plate drives the extrusion rod to move upwards to extrude the sliding block, the clamping block is clamped with the clamping groove again, the tool rest and the connecting column are fixedly connected, machining operation is continued, and therefore when the lathe tool is replaced, machining operation of the lathe is not affected, and machining efficiency is improved;

through the fixed fixture who sets up, the reverse rotation main screw rod, the inboard through the tooth piece is connected with the upper end meshing of main screw rod, drive two tooth pieces that correspond and drive belt and rotate, and then make and rotate the thread bush and rotate, through fixed thread bush and knife rest inner wall fixed connection, vice screw rod and the equal threaded connection of rotation thread bush and fixed thread bush, dismantle the dismantlement of four vice screw rods of in-process completion at the main screw rod, and then take out the lathe tool at the fixed slot that corresponds can, put into the fixed slot with new lathe tool inside, it drives four vice screw rods and move down simultaneously to rotate the main screw rod again, fix the centre gripping to new lathe tool, through four vice screw rods of main screw rod cooperation, carry out more effectual fixed to the lathe tool, the scope of atress location has been enlarged, the life of the lathe tool of extension.

Drawings

FIG. 1 is a schematic view of the overall structure of a blade fixing mechanism for a lathe according to the present invention;

FIG. 2 is a side view of a tooling plate of a blade securing mechanism for a lathe of the present invention;

FIG. 3 is a perspective view of a connecting post of a processing plate of a blade fixing mechanism for a lathe according to the present invention;

FIG. 4 is a schematic structural view of a clamping and positioning mechanism of a blade fixing mechanism for a lathe according to the present invention;

fig. 5 is a perspective view of a belt for a lathe blade fixing mechanism according to the present invention.

In the figure: 1. a tool holder; 2. fixing the clamping mechanism; 3. fixing a column; 4. connecting columns; 5. a slider; 6. a return spring; 7. extruding a groove; 8. a movable seat; 9. a lifting plate; 10. a telescopic rod; 11. an extrusion stem; 12. a clamping block; 13. a card slot; 14. a main screw; 15. an adjusting plate; 16. fixing grooves; 17. a tooth block; 18. a transmission belt; 19. rotating the threaded sleeve; 20. an auxiliary screw; 21. and (5) fixing the threaded sleeve.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-5, a blade fixing mechanism for a lathe comprises a tool rest 1, a fixed clamping mechanism 2 is arranged on the top surface of the tool rest 1 close to the top corner, a fixed column 3 is arranged right below the tool rest 1, and the side of the knife rest 1 is equidistantly provided with four fixed slots 16, the bottom surface of the knife rest 1 is provided with a connecting column 4 near the center, the outer side of the connecting column 4 is equidistantly provided with six sliding blocks 5, one side of each sliding block 5 is provided with two return springs 6 near both ends, and one side of the sliding block 5 is provided with an extrusion groove 7 close to the inner wall, the other side of the sliding block 5 is provided with a plurality of clamping blocks 12 at equal intervals, the bottom end of the connecting column 4 is movably connected with a movable seat 8, a lifting plate 9 is arranged right below the movable seat 8, the bottom surface of the lifting plate 9 is provided with a telescopic rod 10, and the top surface of the lifting plate 9 is provided with six extrusion rods 11 at equal intervals close to the side edges, and the side edges of the connecting columns 4 are provided with six groups of clamping grooves 13 at equal intervals close to the inner walls.

In this embodiment, in order to fix the turning tool and be provided with fixed fixture 2, fixed fixture 2 includes main screw 14 and two regulating plates 15, and main screw 14's surface is provided with two tooth blocks 17 between two parties, and the outside of tooth block 17 is provided with drive belt 18, and drive belt 18's inside is leaned on both ends and all is provided with and rotates thread bush 19, and the inside that rotates thread bush 19 leans on the lower extreme to be provided with vice screw rod 20, and is provided with fixed thread bush 21 under rotating thread bush 19.

In this embodiment, in order to realize the removal of sliding block 5, sliding block 5 leans on upper end sliding connection with the inner wall of fixed column 3, and reset spring 6's one end is connected with the internal surface fixed connection of fixed column 3, and extrusion groove 7 is the joint setting with extrusion pole 11.

In addition, the side of sliding seat 8 is connected with fixed column 3 internal surface fixed, spliced pole 4 and fixed column 3 swing joint, fixture block 12 and draw-in groove 13 looks adaptation, and lower extreme sliding connection is leaned on to lifter plate 9 and fixed column 3's inside, drives lifter plate 9 fixed column 3 inside vertical migration through telescopic link 10.

In this embodiment, in order to realize the rotation of the tooth block 17, the cross sections of the two corresponding adjusting plates 15 are arranged in a 90 ° vertical state, the two adjusting plates 15 are located at two different vertical heights, the two tooth blocks 17 are respectively located inside the two adjusting plates 15 near the center, the tooth block 17 is movably connected with the adjusting plates 15, the inner side of the tooth block 17 is engaged with the upper end of the main screw 14, and the outer side of the tooth block 17 is engaged with the transmission belt 18.

In the embodiment, in order to perform auxiliary calibration during the rotational positioning of the secondary screw 20, the transmission belt 18 is adapted to the two corresponding rotating threaded sleeves 19, the rotating threaded sleeves 19 and the fixed threaded sleeves 21 are both located on the inner wall of the tool holder 1, the rotating threaded sleeves 19 are movably connected with the tool holder 1, the fixed threaded sleeves 21 are fixedly connected with the inner wall of the tool holder 1, and the secondary screw 20 is in threaded connection with both the rotating threaded sleeves 19 and the fixed threaded sleeves 21.

When the lathe blade fixing mechanism is used, the tool rest 1, the fixed clamping mechanism 2, the fixed column 3, the connecting column 4, the sliding block 5 and the lifting plate 9 form a main body part of the whole fixing mechanism, when a turning tool is damaged, the lifting plate 9 is driven by the telescopic rod 10 to move downwards in the fixed column 3 so as to drive the extrusion rod 11 to be separated from the extrusion groove 7, the sliding block 5 is driven by the reset spring 6 to slide outwards so as to separate the clamping block 12 from the clamping groove 13, the connecting column 4 is restored to the active state, the tool rest 1 is rotated, the vertical position is kept unchanged when the tool rest 1 rotates by the movable seat 8, the other turning tool is moved to the machining position, the lifting plate 9 drives the extrusion rod 11 to move upwards to extrude the sliding block 5, the clamping block 12 is clamped with the clamping groove 13 again, the tool rest 1 and the connecting column 4 are fixedly connected, continue to carry out the processing work, then reverse rotation main screw 14, the inboard through tooth piece 17 is connected with main screw 14's upper end meshing, drive two tooth pieces 17 and the drive belt 18 that correspond and rotate, and then make and rotate thread bush 19 and rotate, through fixed thread bush 21 and knife rest 1 inner wall fixed connection, vice screw 20 with rotate the equal threaded connection of thread bush 19 and fixed thread bush 21, dismantle the dismantlement of four vice screw rods 20 at main screw 14 in-process, and then take out the lathe tool at the fixed slot 16 that corresponds can, put into fixed slot 16 inside with new lathe tool, it drives four vice screw rods 20 simultaneously downstream to rotate main screw 14 again, carry out fixed centre gripping to new lathe tool.

According to the utility model, the lifting plate 9 is arranged in the fixed column 3 to move downwards, so that the extrusion rod 11 is driven to be separated from the extrusion groove 7, the sliding block 5 is driven to slide outwards by the reset spring 6, the clamping block 12 is separated from the clamping groove 13, the connecting column 4 is enabled to be in a movable state, so that the tool rest 1 is rotated, the vertical position of the tool rest 1 is kept unchanged when the tool rest 1 is rotated by the movable seat 8, another turning tool is moved to a processing position, the lifting plate 9 drives the extrusion rod 11 to move upwards to extrude the sliding block 5, so that the clamping block 12 is clamped with the clamping groove 13 again, the tool rest 1 and the connecting column 4 are fixedly connected, and processing work is continued, thus, when the turning tool is replaced, the processing work of a lathe is not influenced, and the processing efficiency is improved; the main screw 14 is rotated reversely through the arranged fixed clamping mechanism 2, the inner side of the tooth block 17 is meshed with the upper end of the main screw 14, the corresponding two tooth blocks 17 and the transmission belt 18 are driven to rotate, further rotating the rotary threaded sleeve 19, fixedly connecting the rotary threaded sleeve 19 and the inner wall of the tool rest 1 through the fixed threaded sleeve 21, connecting the auxiliary screw rod 20 with the rotary threaded sleeve 19 and the fixed threaded sleeve 21 through threads, the four auxiliary screws 20 are disassembled in the process of disassembling the main screw 14, and then the turning tool is taken out from the corresponding fixed groove 16, a new turning tool is put into the fixed groove 16, then the main screw 14 is rotated to drive the four auxiliary screws 20 to move downwards simultaneously, the new turning tool is fixedly clamped, the turning tool is more effectively fixed by the aid of the main screw 14 matched with the four auxiliary screws 20, the stress positioning range is enlarged, and the service life of the turning tool is prolonged.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a blade fixed establishment for lathe which characterized in that: including knife rest (1), the top surface of knife rest (1) leans on the apex angle all to be provided with fixed fixture (2), be provided with fixed column (3) under knife rest (1), just the side equidistance of knife rest (1) is provided with four fixed slots (16), the bottom surface of knife rest (1) leans on the center to be provided with spliced pole (4), the outside equidistance of spliced pole (4) is provided with six sliding blocks (5), one side of sliding block (5) leans on both ends all to be provided with two reset spring (6), just one side of sliding block (5) leans on the inner wall to be provided with extrusion groove (7), the opposite side equidistance of sliding block (5) is provided with a plurality of fixture block (12), the bottom swing joint of spliced pole (4) has sliding seat (8), be provided with lifter plate (9) under sliding seat (8), the bottom surface of lifter plate (9) is provided with telescopic link (10), and the top surface of the lifting plate (9) is provided with six extrusion rods (11) by the side equidistance, and the side of the connecting column (4) is provided with six groups of clamping grooves (13) by the inner wall equidistance.

2. The tip holding mechanism for a lathe according to claim 1, wherein: the fixed clamping mechanism (2) comprises a main screw (14) and two adjusting plates (15), two tooth blocks (17) are arranged in the middle of the outer surface of the main screw (14), a transmission belt (18) is arranged on the outer side of each tooth block (17), rotating threaded sleeves (19) are arranged on the inner portions of the transmission belt (18) close to two ends of the inner portions of the transmission belt, auxiliary screw rods (20) are arranged on the inner portions of the rotating threaded sleeves (19) close to the lower ends of the inner portions of the rotating threaded sleeves, and fixed threaded sleeves (21) are arranged under the rotating threaded sleeves (19).

3. The tip holding mechanism for a lathe according to claim 1, wherein: sliding block (5) lean on upper end sliding connection with the inner wall of fixed column (3), and the one end of reset spring (6) is connected with the internal surface fixed of fixed column (3), and extrusion groove (7) are the joint setting with extrusion stem (11).

4. The tip holding mechanism for a lathe according to claim 1, wherein: the side of the movable seat (8) is fixedly connected with the inner surface of the fixed column (3), the connecting column (4) is movably connected with the fixed column (3), the clamping block (12) is matched with the clamping groove (13), and the lifting plate (9) is connected with the inner part of the fixed column (3) in a sliding mode through the lower end.

5. The insert fixing mechanism for a lathe according to claim 2, wherein: the cross section of corresponding two regulating plate (15) is 90 vertical state settings, and two regulating plate (15) are located two different vertical height, and two tooth piece (17) are located two regulating plate (15) inside respectively and lean on the center, and tooth piece (17) and regulating plate (15) swing joint, and the inboard of tooth piece (17) is connected with the upper end meshing of main screw (14), and the outside and drive belt (18) meshing of tooth piece (17) are connected.

6. The tip holding mechanism for a lathe according to claim 2, wherein: the transmission belt (18) is matched with the two corresponding rotary threaded sleeves (19), the rotary threaded sleeves (19) and the fixed threaded sleeves (21) are both located on the inner wall of the tool rest (1), the rotary threaded sleeves (19) are movably connected with the tool rest (1), the fixed threaded sleeves (21) are fixedly connected with the inner wall of the tool rest (1), and the auxiliary screw rods (20) are in threaded connection with the rotary threaded sleeves (19) and the fixed threaded sleeves (21).