CN220006946U - Machine tool centering device with extension structure - Google Patents

Abstract

The utility model discloses a machine tool centering device with an extension structure, which comprises a base, wherein a fixed plate is arranged in the base, the fixed plate is provided with the extension device, the extension device comprises a rotating motor welded at one end of the outer surface of the base, the output end of the rotating motor is provided with a threaded rod through a bolt, the two ends of the threaded rod are sleeved with threaded sleeves, the top end of each threaded sleeve is welded with a connecting block, the connecting block is fixedly connected with a connecting rod through a guide rod, one end of the connecting rod, which is far away from the connecting block, is provided with a round rod, the top end of the top plate is provided with a cylinder, the cylinder is provided with a centering device, the rotating motor drives the threaded rod to rotate, so that the threaded sleeves move towards the center of the threaded rod, and the connecting rod on the threaded sleeves is in a vertical state, and a sliding block on the top plate moves in a sliding groove, so that the centering device on the top plate performs centering treatment on a workpiece, and damage to the workpiece is avoided.

Description

Machine tool centering device with extension structure

Technical Field

The utility model relates to the technical field related to machine tools, in particular to a machine tool centering device with an extension structure.

Background

The machine tool is a machine for manufacturing machines, also called a machine tool or a machine tool, and is conventionally referred to as a machine tool, and is generally classified into a metal cutting machine tool, a forging machine tool, a woodworking machine tool, etc., wherein the machine tool is a machine tool for turning a rotating workpiece by mainly turning a tool, and a drill, a reamer, a tap, a die, a knurling tool, etc. can be used for corresponding machining on the machine tool.

When the machine tool processes a workpiece, the workpiece is usually clamped by the clamp, the workpiece is not centered in advance, and the workpiece is easy to deviate in the process of processing in the high-speed rotation process, so that the workpiece is damaged in processing, certain economic loss is caused for a user, and personnel are sometimes injured.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a machine tool centering device with an extension structure, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a lathe centering device with extending structure, includes the base, the cavity has been seted up to the inside cavity, the fixed plate is installed to the cavity bottom, install extending device on the fixed plate, extending device is including welding the rotating electrical machines of base surface one end, the output of rotating electrical machines passes through the bolt mounting threaded rod, threaded rod both ends cover is equipped with the thread bush, the thread bush with the threaded rod meshes mutually, thread bush top welding has the connecting block, the connecting block passes through guide arm and connecting rod fixed connection, the connecting rod is kept away from the round bar is installed to the one end of connecting block, install at U template inner wall at the both ends of round bar, U template top welding is in roof bottom, the sliding block has been welded at roof both ends, the sliding tray has been seted up at the inside both ends of cavity, the sliding block can be in the sliding tray sliding, the cylinder is installed on the roof top, install centering device on the cylinder.

Further, in order to carry out centering to the work piece, centering device is including welding the connecting cylinder on the drum, the welding of connecting cylinder top has the motor, the bull stick is installed through the bolt to the output of motor, keep away from on the bull stick the one end welding of motor has the bevel gear, keep away from in the connecting cylinder the ring is installed to the one end of bevel gear, the screw thread groove has been seted up to the one end of the lateral surface of ring, the movable block has been placed to the equidistance on the screw thread groove, the welding of movable block bottom has the arc.

Further, in order to rotate the circular ring, a rack is arranged at one end, far away from the thread groove, of the circular ring, and the rack is meshed with the bevel gear.

Further, in order to perform centering treatment on the workpiece, one end of the moving block is provided with an external thread, and the external thread is meshed with the thread groove.

Further, in order to enable the threaded sleeve to move on the threaded rod, a clamping groove is formed in the fixing plate, a clamping block is welded at the bottom of the threaded sleeve, and the clamping block can move in the clamping groove.

Further, in order to fix the cylinder on the top plate, a supporting block is welded on the top end of the top plate, and one end, far away from the top plate, of the supporting block is fixedly connected with the cylinder.

Further, in order to increase friction between the arc-shaped plate and the workpiece, one end, away from the moving block, of the arc-shaped plate is fixedly connected with a friction pad.

The utility model has the beneficial effects that:

1. when the motor is rotated and the threaded rod is driven to rotate clockwise, the threaded sleeve on the threaded rod moves towards the middle of the threaded rod, and the connecting block on the threaded sleeve is driven to be in a vertical state, so that the sliding block on the top plate moves on the sliding groove, and the centering device on the top plate is driven to move to the base, so that the workpiece is centered, and the situation of axial deviation is avoided, and economic loss is caused.

2. The motor drives the bull stick to rotate to drive the bevel gear on the bull stick and rotate, through the meshing of bevel gear and latch, thereby drive the ring and rotate in the connecting cylinder, through the meshing of screw groove and external screw thread, drive the movable block through the rotation of ring and remove on the screw groove, thereby the arc on the movable block carries out centering to the work piece and handles, under the effect through friction pad, thereby increase the friction of arc and work piece, avoid appearing the condition of axle center skew when processing, cause the damage of work piece.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of a machine tool centering device having an extension structure according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a base in a machine tool centering device having an extension structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a top plate structure in a machine tool centering device having an extension structure according to an embodiment of the present utility model;

FIG. 4 is a partial cross-sectional view of a centering device in a machine tool centering device having an extension structure according to an embodiment of the present utility model;

fig. 5 is an enlarged view of a prescription a in a machine tool centering device having an extension structure according to an embodiment of the present utility model.

In the figure:

1. a base; 2. a fixing plate; 3. a rotating motor; 4. a threaded rod; 5. a thread sleeve; 6. a clamping groove; 7. a clamping block; 8. a connecting block; 9. a guide rod; 10. a connecting rod; 11. a U-shaped plate; 12. a round bar; 13. a top plate; 14. a sliding block; 15. a sliding groove; 16. a cylinder; 17. a connecting cylinder; 18. a motor; 19. a rotating rod; 20. bevel gears; 21. a circular ring; 22. a rack; 23. a thread groove; 24. an external thread; 25. a moving block; 26. an arc-shaped plate; 27. a support block; 28. a friction pad; 29. a cavity.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model to be understood.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a lathe centering device with extending structure, including the base 1 of seting up cavity 29, cavity 29 bottom welding has fixed plate 2, install extending device on the fixed plate 2, extending device is including the rotation motor 3 of welding at base 1 surface welding one end, the threaded rod 4 is installed through the bolt to rotation motor 3's output, the equal cover in both ends is equipped with thread bush 5 on threaded rod 4, the internal thread and the threaded rod 4 of thread bush 5 inside mesh mutually, in order to increase the stability of thread bush 5 on threaded rod 4, thread bush 5 bottom welding has fixture block 7, fixture block 6 has been seted up on the fixed plate 2, fixture block 7 can move in fixture block 6, thread bush 5 top welding has connecting block 8, connecting block 8 passes through guide arm 9 and connecting rod 10 fixed connection, round bar 12 is installed to connecting rod 10's one end, the both ends of round bar 12 are fixed at U template 11 inner walls, U template 11 top welding is in roof 13 bottoms, the slider 14 has been seted up at roof 13 both ends, the inside both ends of cavity 28 has been seted up sliding groove 15, slider 14 can be moved on sliding groove 15, drive threaded rod 4 through rotation motor 3 rotates, through the internal thread bush 5, thereby it is in the 5 to drive threaded rod 5 to move toward the center to drive threaded rod 10, thereby make the device is in the perpendicular state of stretching to threaded rod 10, thereby the top plate 10 is in the perpendicular state to the threaded rod 5.

Referring to fig. 1-5, in order to perform centering treatment on a workpiece, a cylinder 16 is mounted on a top plate 13, a centering device is mounted on the cylinder 16, the centering device comprises a connecting cylinder 17 welded on the cylinder 16, in order to increase stability of the cylinder 16 on the top plate 13, a supporting block 27 is welded on the top plate 13, one end, far away from the top plate 13, of the supporting block 27 is fixedly connected with the cylinder 16, a motor 18 is welded on the connecting cylinder 17, an output end of the motor 18 is provided with a rotating rod 19 through a bolt, one end, far away from the motor 18, of the rotating rod 19 is welded with a bevel gear 20, one end, far away from the bevel gear 20, of the inside of the connecting cylinder 17 is provided with a circular ring 21, one end of the outer surface of the circular ring 21 is provided with a rack 22, the rack 22 is meshed with the bevel gear 20, the other end of the circular ring 21 is provided with a thread groove 23, a moving block 25 is equidistantly placed on the thread groove 23, one end of the moving block 25 is provided with an external thread 24 meshed with the thread groove 23, in order to increase friction between the arc 26 and the workpiece, a friction pad 29 is mounted on the connecting cylinder 26, when the motor 18 drives the rotating rod 19, and the rotating rod 19 drives the rotating rod 19, thereby the circular ring 20 drives the circular ring 20 to rotate, and the circular ring 20 is driven to move relative to the circular ring 25 through the thread groove 25, thereby avoiding damage to the circular ring 22 and the thread 25.

Working principle:

when the motor 3 is rotated to drive the threaded rod 4 to rotate, the threaded sleeve 5 on the threaded rod 4 is driven to move towards the center, so that the connecting rod 10 is in a vertical state, the sliding blocks 14 at two ends of the top plate 13 are enabled to move in the sliding grooves 15, the centering device on the top plate 13 is enabled to extend upwards, the motor 18 drives the bevel gear 20 on the rotating rod 19 to rotate, the bevel gear 20 is meshed with the rack 22 through the bevel gear 20, the ring 21 is driven to rotate in the connecting cylinder 17, the external threads 24 are meshed with the threaded grooves 23, the moving block 25 is enabled to move on the threaded grooves 23, and the arc plate 26 is enabled to perform centering treatment on workpieces in the cylinder 16, so that damage to the workpieces is avoided.

Although the present description describes embodiments. However, not every embodiment contains only one independent technical solution, and the description is only for the sake of clarity, and those skilled in the art should understand that the technical solutions in the embodiments may be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims (7)

1. Machine tool centering device with extending structure, including base (1), its characterized in that: the utility model discloses a cylinder, including base (1), cavity (29) have been seted up to inside, fixed plate (2) are installed to cavity (29) bottom, install extension fixture on fixed plate (2), extension fixture is including the welding rotating motor (3) of base (1) surface one end, threaded rod (4) are installed through the bolt to the output of rotating motor (3), threaded rod (4) both ends cover is equipped with thread bush (5), thread bush (5) with threaded rod (4) are engaged with, thread bush (5) top welding has connecting block (8), connecting block (8) are through guide arm (9) and connecting rod (10) fixed connection, connecting rod (10) are kept away from one end of connecting block (8) installs round bar (12), round bar (12) both ends are installed at U template (11) inner wall, U template (11) top welding is in roof (13) bottom, roof (13) both ends welding has sliding block (14), sliding block (15) have been seted up at cavity (29) inside both ends, sliding block (14) are installed on top (16) cylinder (16).

2. The machine tool centering device with an extension structure of claim 1, wherein: the centering device comprises a connecting cylinder (17) welded on the cylinder (16), a motor (18) is welded at the top end of the connecting cylinder (17), a rotating rod (19) is installed at the output end of the motor (18) through a bolt, a bevel gear (20) is welded at one end, far away from the motor (18), of the rotating rod (19), a circular ring (21) is installed at one end, far away from the bevel gear (20), of the connecting cylinder (17), a thread groove (23) is formed in one end of the outer side surface of the circular ring (21), a moving block (25) is placed on the thread groove (23) at equal distance, and an arc-shaped plate (26) is welded at the bottom of the moving block (25).

3. The machine tool centering device with an extension structure of claim 2, wherein: one end of the circular ring (21) far away from the thread groove (23) is provided with a rack (22), and the rack (22) is meshed with the bevel gear (20).

4. The machine tool centering device with an extension structure of claim 2, wherein: an external thread (24) is arranged at one end of the moving block (25), and the external thread (24) is meshed with the thread groove (23).

5. The machine tool centering device with an extension structure of claim 1, wherein: the fixing plate (2) is provided with a clamping groove (6), a clamping block (7) is welded at the bottom of the threaded sleeve (5), and the clamping block (7) can move in the clamping groove (6).

6. The machine tool centering device with an extension structure of claim 1, wherein: the top end of the top plate (13) is welded with a supporting block (27), and one end, far away from the top plate (13), of the supporting block (27) is fixedly connected with the cylinder (16).

7. The machine tool centering device with an extension structure of claim 2, wherein: one end of the arc-shaped plate (26) far away from the moving block (25) is fixedly connected with a friction pad (28).