CN219275107U

CN219275107U - Axial braking device of numerical control rocker arm milling machine

Info

Publication number: CN219275107U
Application number: CN202222205316.7U
Authority: CN
Inventors: 陈林蓬
Original assignee: Yichang Xinyun Electromechanical Technology Co ltd
Current assignee: Yichang Xinyun Electromechanical Technology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-06-30
Anticipated expiration: 2032-08-22

Abstract

The utility model relates to the technical field of numerical control rocker arm milling machines and discloses an axial braking device of a numerical control rocker arm milling machine, which comprises a milling machine body, a screw rod, a bearing seat and a mounting box, wherein the screw rod is in rotary connection with the bearing seat, the bearing seat and the mounting box are both arranged on the outer surface of the milling machine body, one end of the screw rod penetrates through and extends to the inside of the mounting box, a sliding rail is fixedly arranged on the inner side wall of the mounting box, and two sliding plates are connected inside the sliding rail in a sliding manner. This numerical control rocking arm milling machine's axial arresting gear, the user need carry the operating panel when using the lead screw, then rotate the operating panel, can use, easy operation is convenient, and the unable direct rotation of operating panel simultaneously places the phenomenon that the user touched by mistake and takes place, when not using, unclamp the operating panel, and the operating panel can be replied to initial condition, and two arc splint contact with the lead screw, play the effect of braking, arc splint and lead screw direct contact can not influence the precision of lead screw.

Description

Axial braking device of numerical control rocker arm milling machine

Technical Field

The utility model relates to the technical field of numerical control rocker milling machines, in particular to an axial braking device of a numerical control rocker milling machine.

Background

The numerical control universal rocker milling machine can mill various middle and small shell parts by using an end milling cutter, and is mainly used for processing ferrous metals. The machine tool has two main shafts, and can finish rough and semi-finish milling in one feed. The numerical control universal rocker milling machine continuously rotates, and the processing time is coincident with the time for loading and unloading parts, so the numerical control universal rocker milling machine is particularly suitable for continuous production.

Through searching, chinese patent CN 213795254U discloses an axial braking device of a numerical control rocker arm milling machine, which comprises a supporting shaft, an upper pressing plate, a lower pressing plate and a fixing seat; one end of the upper pressing plate and one end of the lower pressing plate are fixedly sleeved on the supporting shaft; corresponding through holes are respectively formed in one end, far away from the supporting shaft, of the upper pressing plate and the lower pressing plate, first bolts penetrate through the corresponding through holes, the root parts of the first bolts are fixedly connected with the fixing seat through threads, and a first compression spring sleeved outside the first bolts is arranged between the upper pressing plate and the lower pressing plate; the fixed seat is provided with a gap adjusting mechanism, the gap adjusting mechanism drives one end of the lower pressing plate, which is far away from the supporting shaft, to ascend or descend, so that the radial gaps of the upper braking sleeve, the lower braking sleeve and the transmission screw rod are changed, separation or braking is realized, the clamping is used for replacing the direct jacking mode for braking, and the influence of escape axial braking on the motion precision and the machining precision of the numerical control rocker milling machine is avoided.

However, the motion of a workbench of the existing numerical control rocker milling machine needs to be axially braked during processing, and the existing braking mode is to directly prop against a guide rail surface. The original braking mode is easy to damage the guide surface to influence the movement precision, the unidirectional stress of the guide surface also influences the machining precision, and when the existing screw rod is used, the handle of the screw rod is directly rotated, so that the screw rod can be rotated, the phenomenon that the screw rod rotates due to the false touch of a worker is easy to occur, and misoperation is easy to occur.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an axial braking device of a numerical control rocker arm milling machine, which solves the problems that the original braking mode is easy to damage a guide surface to influence the movement precision, the unidirectional stress of the guide surface also influences the processing precision, and when the existing screw rod is used, the screw rod can be rotated by directly rotating the handle of the screw rod, so that the phenomenon of screw rod rotation caused by misoperation of staff is easy to occur, and misoperation is easy to occur.

The utility model provides the following technical scheme: the utility model provides an axial arresting gear of numerical control rocking arm milling machine, includes milling machine body, lead screw, bearing frame and mounting box, rotates between lead screw and the bearing frame to be connected, and bearing frame and mounting box are all installed on the surface of milling machine body, the one end of lead screw runs through and extends to the inside of mounting box, the inside lateral wall fixed mounting of mounting box has the slide rail, the inside sliding connection of slide rail has two slide, two the arc braking board is all installed to the opposite one side of slide, two the one side that the slide is on the back mutually, with equal fixed mounting has the spring between the inner wall of mounting box, two the equal swing joint of surface of slide has the connecting rod, two the equal swing joint of one end that the slide was kept away from to the connecting rod has the extension rod.

Preferably, the surface fixed mounting of lead screw has the sleeve, telescopic inner wall fixed mounting has the second slide rail, the inside sliding connection of second slide rail has the slider, fixedly connected with second spring between slider and the telescopic inner wall, the one end fixed mounting of slider has the quarter butt, the one end fixed mounting of quarter butt has the operation panel, the surface cover of quarter butt is equipped with the ring, fixedly connected with stock between ring and the extension rod, the ring offsets with the operation panel.

Preferably, the outer surface of the extension rod is sleeved with a cylindrical sleeve, and the cylindrical sleeve is connected with the milling machine body.

Preferably, the included angle between the connecting rod and the extension rod ranges from one hundred thirty degrees to one hundred sixty degrees.

Preferably, a friction ring is fixedly arranged on the outer surface of the screw rod, and the friction ring corresponds to the arc-shaped braking plate.

Preferably, the outer surface of the operation panel is provided with anti-skid patterns.

Compared with the prior art, the utility model provides an axial braking device of a numerical control rocker arm milling machine, which has the following beneficial effects:

(1) This axial arresting gear of numerical control rocking arm milling machine, when using, the user pulls the operating panel along the direction of lead screw, the operating panel drives the ring that pastes with it to keeping away from the direction of mounting box and remove, the ring passes through the stock and drives the extension pole and remove, the extension pole passes through swing joint's connecting rod, drive two arc braking plates and move dorsad, make there is the gap between arc braking plate and the lead screw, then rotate the operating panel, the operating panel drives the quarter butt and rotates, the quarter butt passes through slider and second slide rail, drive sleeve rotation, the sleeve drives the lead screw and rotates, thereby make the lead screw normally rotate.

(2) This axial arresting gear of numerical control rocking arm milling machine, when not using, loosen the operation panel, under the elasticity of spring, arc brake block relative movement only presss from both sides tight lead screw, plays the effect of braking, simultaneously, arc brake block, through swing joint's connecting rod, drive extension rod to being close to the direction of mounting box and remove, under the elasticity of second spring, the operation panel removes to the direction of mounting box, resumes to initial operating condition.

(3) This numerical control rocking arm milling machine's axial arresting gear, the user need carry the operating panel when using the lead screw, then rotate the operating panel, can use, easy operation is convenient, and the unable direct rotation of operating panel simultaneously places the phenomenon that the user touched by mistake and takes place, when not using, unclamp the operating panel, the operating panel can be replied to initial condition, two arc brake boards contact with the lead screw, play the effect of braking, arc brake board and lead screw direct contact can not influence the precision of lead screw.

Drawings

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

FIG. 2 is an enlarged view of the structure of FIG. 1A according to the present utility model;

fig. 3 is an enlarged view of the structure of B in fig. 1 according to the present utility model.

In the figure: 1. a milling machine body; 2. a screw rod; 3. a bearing seat; 4. a mounting box; 5. a slide rail; 6. a slide plate; 7. an arc-shaped brake plate; 8. a spring; 9. a connecting rod; 10. an extension rod; 11. a sleeve; 12. a second slide rail; 13. a slide block; 14. a short bar; 15. an operation panel; 16. a circular ring; 17. a long rod; 18. a cylindrical sleeve; 19. a friction ring; 20. and a second spring.

Detailed Description

Referring to fig. 1-3, an axial braking device of a numerical control rocker arm milling machine comprises a milling machine body 1, a screw rod 2, a bearing seat 3 and a mounting box 4, wherein the screw rod 2 is rotationally connected with the bearing seat 3, the bearing seat 3 and the mounting box 4 are all installed on the outer surface of the milling machine body 1, one end of the screw rod 2 penetrates through and extends to the inside of the mounting box 4, a sliding rail 5 is fixedly installed on the inner side wall of the mounting box 4, two sliding plates 6 are slidably connected in the sliding rail 5, arc-shaped braking plates 7 are installed on the opposite sides of the two sliding plates 6, friction rings 19 are fixedly installed on the outer surface of the screw rod 2, the friction rings 19 correspond to the arc-shaped braking plates 7, the purpose of increasing the friction force of a contact surface is achieved, the braking effect is improved, springs 8 are fixedly installed between the inner walls of the two sliding plates 6 and the mounting box 4, connecting rods 9 are movably connected to the outer surfaces of the two sliding plates 6, one ends of the two connecting rods 9 are movably connected with a connecting rod 10, an included angle between the connecting rod 9 and the extending rod 10 is one hundred thirty to one hundred sixty degrees, the two sliding plates are guaranteed to stably run, the device is prevented from being damaged or the device is not to be damaged, the cylindrical sleeve 18 is prevented from being damaged, and the cylindrical sleeve 18 is extended along the cylindrical sleeve 18 is arranged between the cylindrical sleeve 18 and the cylindrical sleeve 18, and the cylindrical sleeve 18 is stably arranged along the cylindrical sleeve 18, and the cylindrical sleeve 18 is arranged. The surface fixed mounting of lead screw 2 has sleeve 11, the inner wall fixed mounting of sleeve 11 has second slide rail 12, the inside sliding connection of second slide rail 12 has slider 13, fixedly connected with second spring 20 between slider 13 and the inner wall of sleeve 11, the one end fixed mounting of slider 13 has quarter butt 14, the one end fixed mounting of quarter butt 14 has operating panel 15, the surface of operating panel 15 is equipped with anti-skidding line, play the effect of increase frictional force, facilitate the use, the surface cover of quarter butt 14 is equipped with ring 16, fixedly connected with stock 17 between ring 16 and the extension rod 10, ring 16 offsets with operating panel 15, the surface of ring 16 is equipped with the ball, the ball contacts with operating panel 15, reduce the frictional force between operating panel 15 and the ring 16.

When the screw rod 2 is used, a user pulls the operating panel 15 along the direction of the screw rod 2, the operating panel 15 drives the ring 16 attached to the operating panel to move away from the mounting box 4, the ring 16 drives the extension rod 10 to move through the long rod 17, the extension rod 10 drives the two arc-shaped braking plates 7 to move back to back through the connecting rod 9 in movable connection, a gap exists between the arc-shaped braking plates 7 and the screw rod 2, then the operating panel 15 is rotated, the operating panel 15 drives the short rod 14 to rotate, the short rod 14 drives the sleeve 11 to rotate through the sliding block 13 and the second sliding rail 12, and the sleeve 11 drives the screw rod 2 to rotate, so that the screw rod 2 normally rotates.

When not in use, the operation panel 15 is loosened, the arc-shaped braking plate 7 moves relatively under the elasticity of the spring 8, only the screw rod 2 is clamped, the braking effect is achieved, meanwhile, the arc-shaped braking plate 7 drives the extension rod 10 to move towards the direction close to the mounting box 4 through the connecting rod 9 which is movably connected, and the operation panel 15 moves towards the mounting box 4 under the elasticity of the second spring 20 and returns to the initial working state.

When the screw rod 2 is used by a user, the operating panel 15 is required to be lifted, then the operating panel 15 is rotated to be used, the operation is simple and convenient, meanwhile, the operating panel 15 cannot be directly rotated, the phenomenon of error placement of the user occurs, when the screw rod 2 is not used, the operating panel 15 is loosened, the operating panel 15 can be restored to the initial state, and the two arc-shaped braking plates 7 are in contact with the screw rod 2 to play a braking effect.

In summary, when the axial braking device of the numerical control rocker arm milling machine is used, a user pulls the operating disc 15 along the direction of the screw rod 2, the operating disc 15 drives the attached circular ring 16 to move away from the mounting box 4, the circular ring 16 drives the extension rod 10 to move through the long rod 17, the extension rod 10 drives the two arc-shaped braking plates 7 to move oppositely through the movably connected connecting rod 9, a gap exists between the arc-shaped braking plates 7 and the screw rod 2, then the operating disc 15 is rotated, the operating disc 15 drives the short rod 14 to rotate, the short rod 14 drives the sleeve 11 to rotate through the sliding block 13 and the second sliding rail 12, and the sleeve 11 drives the screw rod 2 to rotate, so that the screw rod 2 normally rotates.

Claims

1. The utility model provides an axial arresting gear of numerical control rocking arm milling machine, includes milling machine body (1), lead screw (2), bearing frame (3) and mounting box (4), rotates between lead screw (2) and bearing frame (3) to be connected, and bearing frame (3) and mounting box (4) are all installed on the surface of milling machine body (1), its characterized in that: one end of lead screw (2) runs through and extends to the inside of installation box (4), the inside lateral wall fixed mounting of installation box (4) has slide rail (5), the inside sliding connection of slide rail (5) has two slide (6), two arc braking board (7) are all installed to one side that slide (6) are relative, two the one side that slide (6) are dorsad, all fixed mounting has spring (8) between the inner wall with installation box (4), two the equal swing joint of surface of slide (6) has connecting rod (9), two the equal swing joint of one end that slide (6) were kept away from to connecting rod (9) has extension rod (10).

2. The axial braking device of a numerically controlled rocker arm milling machine according to claim 1, wherein: the outer surface fixed mounting of lead screw (2) has sleeve (11), the inner wall fixed mounting of sleeve (11) has second slide rail (12), the inside sliding connection of second slide rail (12) has slider (13), fixedly connected with second spring (20) between the inner wall of slider (13) and sleeve (11), the one end fixed mounting of slider (13) has quarter butt (14), the one end fixed mounting of quarter butt (14) has operating panel (15), the surface cover of quarter butt (14) is equipped with ring (16), fixedly connected with stock (17) between ring (16) and extension rod (10), ring (16) offset with operating panel (15).

3. The axial braking device of a numerically controlled rocker arm milling machine according to claim 1, wherein: the outer surface of the extension rod (10) is sleeved with a cylindrical sleeve (18), and the cylindrical sleeve (18) is connected with the milling machine body (1).

4. The axial braking device of a numerically controlled rocker arm milling machine according to claim 1, wherein: the included angle between the connecting rod (9) and the extension rod (10) ranges from one hundred thirty degrees to one hundred sixty degrees.

5. The axial braking device of a numerically controlled rocker arm milling machine according to claim 1, wherein: the outer surface of the screw rod (2) is fixedly provided with a friction ring (19), and the friction ring (19) corresponds to the arc-shaped brake plate (7).

6. The axial braking device of a numerically controlled rocker arm milling machine according to claim 2, wherein: the outer surface of the operating panel (15) is provided with anti-skid patterns.