CN221065521U

CN221065521U - Anti-collision device for numerical control machining center

Info

Publication number: CN221065521U
Application number: CN202323105450.0U
Authority: CN
Inventors: 杨有成; 贺雷; 王盛祥; 龚有勇; 全忠信; 金超; 李琳; 金叶锋; 杨伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-16
Filing date: 2023-11-16
Publication date: 2024-06-04
Anticipated expiration: 2033-11-16

Abstract

The utility model discloses an anti-collision device for a numerical control machining center, which comprises a workbench, wherein a driving assembly is arranged on the workbench, a cutter is arranged on the bottom side of the driving assembly, a driving structure is arranged on the cutter, a buffer structure and a cleaning structure are arranged on the driving structure, and the cleaning structure is arranged on the workbench; according to the utility model, through the arrangement of the structures such as the sealing box, the communicating pipe and the dust suction box, when the equipment is used for processing a workpiece, the driving assembly is used for driving the mounting plate to move downwards, the mounting plate is used for driving the L-shaped toothed plate to move, the L-shaped toothed plate drives the gear to rotate, and the gear drives the rotating shaft to rotate, so that the sealing box is conveniently driven to move to the middle to wrap the cutter and the workpiece, generated scraps are prevented from splashing around, and meanwhile, the dust suction box is started, and scraps in the sealing box can be conveniently and rapidly collected into the dust suction box through the communicating pipe, so that the scraps are prevented from remaining on the workpiece, and the processing precision of the workpiece is prevented from being influenced.

Description

Anti-collision device for numerical control machining center

Technical Field

The utility model relates to the technical field of numerical control machining, in particular to an anti-collision device for a numerical control machining center.

Background

The numerical control machining center is one of the numerical control machine tools with highest output and most extensive application in the world, has stronger comprehensive machining capacity, can finish more machining contents after one-time clamping of workpieces, has higher machining precision, is 5-10 times of that of common equipment for batch workpieces with medium machining difficulty, can finish machining which cannot be finished by a plurality of common equipment, and is more applicable to single-piece machining with complicated shape and high precision requirement or small-medium batch production of multiple varieties.

In the prior art, the following technical problems exist in the actual use process of the equipment: (1) When the equipment is used for processing an original to be processed, as the structure for cleaning scraps is not arranged on the existing equipment, the scraps cut out can always remain on a workpiece and a workbench, the scraps remain on the workpiece, the cutting of the workpiece by a cutter can be influenced, and then the processed workpiece can be subjected to the condition of inaccurate data, (2) the existing equipment is not provided with an anti-collision structure, when the cutter is close to the workpiece from top to bottom, the cutter is buffered on the equipment due to the fact that an anti-collision device is not arranged, so that the cutter is necessary to collide with the workpiece directly, after the cutter is collided with for many times, the cutter is easy to deform, and therefore the processed workpiece cannot meet the requirement, and the service life of the cutter is also reduced.

Therefore, an anti-collision device for a numerical control machining center is provided.

Disclosure of utility model

The utility model aims to provide an anti-collision device for a numerical control machining center, 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 anti-collision device for the numerical control machining center comprises a workbench, wherein a driving assembly is arranged on the workbench, a cutter is arranged on the bottom side of the driving assembly, a driving structure is arranged on the cutter, a buffer structure and a cleaning structure are arranged on the driving structure, and the cleaning structure is arranged on the workbench;

The cleaning structure comprises two sealing boxes, wherein the two sealing boxes are slidably arranged on the workbench, communicating pipes are arranged on the two sealing boxes, dust suction boxes are rotatably arranged at the other ends of the two communicating pipes, and the dust suction boxes are arranged on one side of the workbench;

The buffer structure comprises two groups of fixing blocks, the two groups of fixing blocks are all installed on the driving structure, connecting rods are all installed on the two fixing blocks located on one side in a rotating mode, rotating shafts are all installed on the two connecting rods, rotating rods are all installed on the two rotating shafts in a rotating mode, transmission shafts are all installed on the two rotating rods in a rotating mode, limiting blocks are all installed on the two transmission shafts, and buffer soft plates are all installed on the two limiting blocks and are in contact with the workbench.

Preferably, the dust suction box is provided with a vent, the inner wall of the vent is provided with a filter plate, and the filter plate is matched with the two communicating pipes.

Preferably, the driving structure comprises two mounting plates, the two mounting plates are all mounted on the cutter, a transmission plate is mounted on the mounting plates, an L-shaped toothed plate is mounted on the transmission plate, a gear is meshed on the L-shaped toothed plate, a rotating shaft is rotatably mounted on the gear, an elliptical groove is formed in the rotating shaft, a moving shaft is slidably mounted on the inner wall of the elliptical groove, a cross slide block is mounted on the moving shaft, and the cross slide block is mounted on the bottom side of the sealing box.

Preferably, the workbench is provided with a fixed block which is slidably arranged on the L-shaped toothed plate.

Preferably, a positioning block is rotatably arranged on the rotating shaft, and the positioning block is arranged on the bottom side of the workbench.

Preferably, the adapter rod is provided with a retention hole, and the rotating shaft is rotatably arranged in the retention hole.

Preferably, the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is installed on the rotating shaft, and the other end of the torsion spring is installed on the inner wall of the retention hole.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, through the arrangement of the structures such as the L-shaped toothed plate, the gear, the rotating shaft, the elliptical trough, the sealing box, the communicating pipe and the dust collection box, when the equipment is used for processing a workpiece, the driving component is used for driving the mounting plate to move downwards, the mounting plate is used for driving the L-shaped toothed plate to move, the L-shaped toothed plate drives the gear to rotate, and the gear drives the rotating shaft to rotate, so that the sealing box is conveniently driven to move towards the middle to wrap the cutter and the workpiece, generated scraps are prevented from splashing all around, and meanwhile, the dust collection box is started, the scraps in the sealing box can be conveniently and rapidly collected into the dust collection box through the communicating pipe, and the scraps are prevented from remaining on the workpiece, so that the processing precision of the workpiece is prevented.

(2) According to the utility model, through the arrangement of the structures such as the connecting rod, the torsion spring, the transfer rod, the buffer soft board and the like, when the cutter moves downwards to be in contact with a workpiece, the buffer soft board is firstly in contact with the workbench, then the cutter continuously moves downwards to enable the connecting rod to rotate on the transfer rod, the rotation shaft drives the torsion spring to deform, and the deformation of the torsion spring can be utilized to slow down the contact force of the cutter with the workpiece when the cutter falls down, so that the reduction of the service life of the cutter caused by collision when the cutter is used for processing the workpiece can be effectively relieved.

Drawings

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

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the table and axis of rotation of the present utility model;

FIG. 4 is a schematic diagram of the connection structure of the driving plate, the connecting rod and the buffer flexible plate of the present utility model;

FIG. 5 is a schematic cross-sectional view of the connecting rod, rotating shaft and adapter rod of the present utility model;

In the figure: 1. a work table; 2. a drive assembly; 3. a cutter; 4. a seal box; 41. a communicating pipe; 42. a dust suction box; 43. a vent; 44. a filter plate; 5. a mounting plate; 51. a drive plate; 52. an L-shaped toothed plate; 53. a fixed block; 54. a gear; 55. a rotating shaft; 56. an elliptical groove; 57. a movable shaft; 58. a cross slide block; 59. a positioning block; 6. a retention block; 61. a connecting rod; 62. a rotation shaft; 63. a retention hole; 64. a transfer rod; 65. a transmission shaft; 66. a limiting block; 67. a buffer soft board; 68. and (3) a torsion spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides an buffer stop for numerical control machining center, includes workstation 1, installs drive assembly 2 on workstation 1, installs cutter 3 on the bottom side of drive assembly 2, installs the drive structure on the cutter 3, installs buffer structure and clearance structure on the drive structure, and clearance structure is installed on workstation 1;

The clearance structure includes two seal boxes 4, and two seal boxes 4 equal slidable mounting are on workstation 1, all install communicating pipe 41 on two seal boxes 4, all rotate on the other end of two communicating pipes 41 and install dust box 42, and dust box 42 installs on one side of workstation 1, starts dust box 42, can be convenient through communicating pipe 41 in collecting dust box 42 fast the sweeps in the seal box 4, avoid the sweeps to remain on the work piece, influence the machining precision of work piece.

Referring to fig. 2, in the present utility model, a vent 43 is formed on a dust collection box 42, a filter plate 44 is mounted on the inner wall of the vent 43, the filter plate 44 is matched with two communicating pipes 41, waste is sucked into the dust collection box 42 by using the communicating pipes 41, and the waste is conveniently and rapidly separated from air by using the filter plate 44 on the vent 43, so that the waste is left in the dust collection box 42 for centralized cleaning.

Referring to fig. 1 to 4, in the present utility model, the driving structure includes two mounting plates 5, both mounting plates 5 are mounted on the cutter 3, a driving plate 51 is mounted on the mounting plates 5, an L-shaped toothed plate 52 is mounted on the driving plate 51, a gear 54 is meshed on the L-shaped toothed plate 52, a rotation shaft 55 is rotatably mounted on the gear 54, an elliptical groove 56 is formed in the rotation shaft 55, a moving shaft 57 is slidably mounted on the inner wall of the elliptical groove 56, a cross slide block 58 is mounted on the moving shaft 57, the cross slide block 58 is mounted on the bottom side of the seal box 4, the mounting plates 5 are driven to move downwards by the driving assembly 2, the mounting plates 5 drive the L-shaped toothed plate 52 to move, the L-shaped toothed plate 52 drives the gear 54 to rotate, and the gear 54 drives the rotation shaft 55 to rotate, so as to drive the seal box 4 to move towards the middle to wrap the cutter 3 and the workpiece, and avoid the generated waste scraps to splash around.

Referring to fig. 2, in the present utility model, a fixed block 53 is mounted on a table 1, the fixed block 53 is slidably mounted on an L-shaped toothed plate 52, and the L-shaped toothed plate 52 slides on the fixed block 53, so that the L-shaped toothed plate 52 can always mesh with a gear 54 for transmission when moving up and down.

Referring to fig. 3, in the present utility model, a positioning block 59 is rotatably installed on a rotation shaft 55, and the positioning block 59 is installed on the bottom side of the table 1, and is rotated on an elliptical groove 56 by the rotation shaft 55, thereby facilitating the restriction of the rotation shaft 55 and preventing the rotation shaft 55 from falling off during rotation.

Example 2: referring to fig. 4-5, in the present utility model, the buffer structure includes two sets of fixing blocks 6, the two sets of fixing blocks 6 are all installed on the driving structure, the two fixing blocks 6 located at one side are all rotatably installed with connecting rods 61, the two connecting rods 61 are all installed with rotating shafts 62, the two rotating shafts 62 are all rotatably installed with rotating rods 64, the two rotating rods 64 are all rotatably installed with transmission shafts 65, the two transmission shafts 65 are all installed with limiting blocks 66, the two limiting blocks 66 are all installed with buffer soft plates 67, the buffer soft plates 67 are in contact with the workbench 1, the rotating rods 64 are provided with fixing holes 63, the rotating shafts 62 are rotatably installed in the fixing holes 63, torsion springs 68 are sleeved on the rotating shafts 62, one ends of the torsion springs 68 are installed on the rotating shafts 62, the other ends of the torsion springs 68 are installed on the inner walls of the fixing holes 63, when the cutter 3 moves downwards to be in contact with the workpiece, the buffer soft plates 67 will be firstly in contact with the workbench 1, then the continuous downward movement of the cutter 3 will make the connecting rods 61 rotate on the rotating rods 64, the rotating shafts 62 drive the torsion springs 68 to take place, and the deformation of the torsion springs 68 can be reduced when the cutter 3 is in contact with the workpiece 3, thereby reducing the service life of the cutter 3 due to the impact.

The working principle is as follows: when the cutter 3 on the workbench 1 is used for processing a workpiece, the driving component 2 is used for driving the cutter 3 to move from a high position to the workpiece, the buffer soft plate 67 is firstly contacted with the workbench 1 during movement, then the cutter 3 continuously moves downwards, the rotating shaft 62 on the connecting rod 61 rotates in the retention hole 63 on the transfer rod 64, the rotating shaft 62 drives the torsion spring 68 to deform, the downward movement force of the cutter 3 is buffered by the deformation force of the torsion spring 68, the cutter 3 is further effectively prevented from colliding with the workpiece, meanwhile, the mounting plate 5 is driven to move downwards when the cutter 3 falls, the mounting plate 5 drives the L-shaped toothed plate 52 on the fixing block 53 to move downwards, the fixing block 53 drives the gear 54 to rotate, the rotating shaft 55 on the positioning block 59 drives the elliptical groove 56 to rotate, the elliptical groove 56 drives the moving shaft 57 to slide, the moving shaft 57 drives the cross slide 58 to move, the cross slide 58 drives the sealing box 4 to move towards the middle, the sealing box 4 is convenient to wrap the cutter 3 and the workpiece, the waste dust in the sealing box 4 is conveniently wrapped by the sealing box 42, and the waste dust in the sealing box 4 is conveniently separated from the filter plate 42 by the suction box 42, and the waste dust is conveniently cleaned in the air vent 42.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a buffer stop for numerical control machining center, includes workstation (1), install drive assembly (2) on workstation (1), install cutter (3), its characterized in that on the bottom side of drive assembly (2): a driving structure is arranged on the cutter (3), a buffer structure and a cleaning structure are arranged on the driving structure, and the cleaning structure is arranged on the workbench (1);

The cleaning structure comprises two sealing boxes (4), wherein the two sealing boxes (4) are both slidably installed on the workbench (1), communicating pipes (41) are both installed on the two sealing boxes (4), dust suction boxes (42) are both rotatably installed at the other ends of the two communicating pipes (41), and the dust suction boxes (42) are installed on one side of the workbench (1);

The buffer structure comprises two groups of fixing blocks (6), the two groups of fixing blocks (6) are all installed on the driving structure, connecting rods (61) are all installed on the two fixing blocks (6) located on one side in a rotating mode, rotating shafts (62) are all installed on the two connecting rods (61), rotating rods (64) are all installed on the two rotating shafts (62) in a rotating mode, transmission shafts (65) are all installed on the two rotating rods (64) in a rotating mode, limiting blocks (66) are all installed on the two transmission shafts (65), buffer soft plates (67) are all installed on the two limiting blocks (66), and the buffer soft plates (67) are in contact with a workbench (1).

2. The anti-collision device for a numerical control machining center according to claim 1, wherein: the dust suction box (42) is provided with a vent (43), the inner wall of the vent (43) is provided with a filter plate (44), and the filter plate (44) is matched with the two communicating pipes (41).

3. The anti-collision device for a numerical control machining center according to claim 1, wherein: the driving structure comprises two mounting plates (5), the two mounting plates (5) are all mounted on the cutter (3), a transmission plate (51) is mounted on the mounting plates (5), an L-shaped toothed plate (52) is mounted on the transmission plate (51), a gear (54) is meshed on the L-shaped toothed plate (52), a rotating shaft (55) is rotatably mounted on the gear (54), an elliptical groove (56) is formed in the rotating shaft (55), a moving shaft (57) is slidably mounted on the inner wall of the elliptical groove (56), a cross slider (58) is mounted on the moving shaft (57), and the cross slider (58) is mounted on the bottom side of the sealing box (4).

4. A collision avoidance device for a numerically controlled machining center according to claim 3, wherein: the workbench (1) is provided with a fixed block (53), and the fixed block (53) is slidably arranged on the L-shaped toothed plate (52).

5. A collision avoidance device for a numerically controlled machining center according to claim 3, wherein: the rotary shaft (55) is rotatably provided with a positioning block (59), and the positioning block (59) is arranged on the bottom side of the workbench (1).

6. The anti-collision device for a numerical control machining center according to claim 1, wherein: the adapter rod (64) is provided with a retention hole (63), and the rotating shaft (62) is rotatably arranged in the retention hole (63).

7. The anti-collision device for a numerically controlled machining center according to claim 6, wherein: the rotating shaft (62) is sleeved with a torsion spring (68), one end of the torsion spring (68) is installed on the rotating shaft (62), and the other end of the torsion spring (68) is installed on the inner wall of the retention hole (63).