Numerically controlled machining center

Abstract

The utility model belongs to the technical field of machining, specifically relates to a numerical control machining center, including the work opening that is equipped with the front side of machining center body, the slide rail that is equipped with the inside front side of machining center body, two protective doors are assembled and are slid on the slide rail, the assembly column is transversely installed in the inside upper side of machining center body, and the rectangular slide groove is set up in the front side of assembly column, two ratchets are slid and assembled in the inside rectangular slide groove and are distributed left and right, two ratchets are fixedly connected with two protective doors through two assembly blocks respectively, two locking mechanisms are installed in the inside left and right sides of rectangular slide groove respectively, and two locking mechanisms are respectively used for limiting two ratchets, the utility model discloses simple structure and reasonable in design, when using, locking mechanism cooperates with gear through arc clamping jaw, makes protective door close and cannot open at will after, can effectively avoid because vibration, external collision or wrong operation leads to protective door accidental opening, prevents the harm that processing iron filings splash causes to staff.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing technology, specifically relating to a CNC machining center. Background Technology

[0002] There is a close relationship between vehicle parts and CNC machining centers, where "demand drives production and technology supports quality." The two are interdependent and mutually reinforcing, together forming an important link in the modern automobile manufacturing system.

[0003] Numerous processing equipment are used in the production of vehicle parts. CNC machining centers are highly intelligent processing equipment that can effectively improve the processing efficiency and accuracy of vehicle parts.

[0004] In existing technologies, to protect workers, sliding protective doors are installed at the working opening of CNC machining centers to prevent metal chips from flying out and injuring workers during machining. However, these protective doors are usually just simple sliding doors without a dedicated fixing structure. This closing method is not reliable and can easily be caused by vibration, external impact, or incorrect operation, resulting in the protective door opening and causing metal chips to fly out and injure workers. Therefore, improvements are needed. Utility Model Content

[0005] The purpose of this utility model is to provide a CNC machining center in which the locking mechanism, through the cooperation of arc-shaped claws and gears, prevents the protective door from being opened arbitrarily after it is closed. This effectively avoids the accidental opening of the protective door due to vibration, external collisions, or incorrect operation, and prevents the flying of machining chips from causing injury to the workers.

[0006] To achieve the above technical objectives, the technical solution adopted by this utility model is as follows:

[0007] A CNC machining center, including

[0008] The machining center body has a working opening on the front side and a slide rail on the front side of the interior of the machining center body. Two protective doors are slidably mounted on the slide rail.

[0009] The assembly column is horizontally installed on the upper side of the inside of the machining center body, and a rectangular sliding groove is opened on the front side of the assembly column.

[0010] There are two racks, which are slidably assembled in a rectangular groove and are distributed to the left and right. The two racks are fixedly connected to the two protective doors by two assembly blocks.

[0011] There are two locking mechanisms, which are installed on the left and right sides of the rectangular slide groove respectively. The two locking mechanisms are used to limit the movement of the two racks.

[0012] As a preferred technical solution, the locking mechanism includes a gear, which is rotatably mounted on the upper side inside the rectangular slide groove, and the gear meshes with the rack;

[0013] A rotating shaft is rotatably mounted on the upper side inside the rectangular slide. An arc-shaped pawl is fixedly installed at the front end of the rotating shaft. One end of the arc-shaped pawl extends between two teeth of the gear. A torsion spring is sleeved around the rotating shaft. One end of the torsion spring is fixedly connected to the rear side of the arc-shaped pawl, and the other end of the torsion spring is fixedly connected to the inner wall of the rear side of the rectangular slide.

[0014] The upper inner wall of the rectangular slide is provided with a slide groove, and a pulling mechanism is provided inside the slide groove. The pulling mechanism is fixedly connected to the top of two arc-shaped claws by two pull ropes.

[0015] As a preferred technical solution, the pulling mechanism includes a slider, which is slidably assembled inside the groove. One end of each of the two pull ropes is fixedly connected to the top left and right sides of the slider. A displacement groove is provided at the bottom of the slider, and two L-shaped assembly blocks are slidably assembled inside the displacement groove. Vertical grooves are provided on the rear sides of the two protective doors, and the front ends of the two L-shaped assembly blocks are slidably connected to the two vertical grooves respectively.

[0016] Both protective doors are equipped with drive components on the front side, and the two drive components are used to pull the two L-shaped assembly blocks down.

[0017] As a preferred technical solution, the driving component includes a handle, which is fixedly installed on the front side of the protective door. A driving rod is slidably assembled inside the handle, and a stop block is fixedly installed on the rear side of the driving rod. A driving rope is fixedly installed at the bottom of the L-shaped assembly block, and one end of the driving rope is fixedly connected to the rear side of the stop block.

[0018] As a preferred technical solution, tempered glass is used for the observation windows of both protective doors.

[0019] The beneficial effects of this utility model are:

[0020] 1. High safety: The locking mechanism, through the cooperation of arc-shaped claws and gears, ensures that the protective door cannot be opened arbitrarily after it is closed. It can effectively prevent the protective door from being accidentally opened due to vibration, external collision or incorrect operation, and prevent the flying of processing iron filings from causing injury to the workers.

[0021] 2. Easy to operate: To close the safety door, simply push the handle; to open it, hold the handle and move the lever to release the lock. No additional complicated operations are required, and the process is simple and easy to learn.

[0022] 3. Stable structure: The sliding connection between the L-shaped assembly block and the vertical groove, as well as the sliding design of the slider in the groove, ensures the stability of the linkage of each component, making the operation process smooth and reliable. Attached Figure Description

[0023] This utility model can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a side view of the structure of this utility model;

[0026] Figure 3 This is a partial structural diagram of the present invention. Figure 1 ;

[0027] Figure 4 This is a schematic diagram of the protective door structure of this utility model;

[0028] Figure 5 This is a schematic diagram of the locking mechanism structure of this utility model. Figure 1 ;

[0029] Figure 6 This is a schematic diagram of the locking mechanism structure of this utility model. Figure 2 ;

[0030] Figure 7 This is a partial structural diagram of the present invention. Figure 2 ;

[0031] Figure 8 This is a partial structural diagram of the present invention. Figure 3 .

[0032] Reference numerals in the attached drawings: 1. Machining center body; 11. Working port; 12. Protective door; 2. Assembly column; 21. Rectangular slide groove; 3. Rack; 31. Assembly block; 4. Locking mechanism; 41. Gear; 42. Rotating shaft; 43. Arc-shaped pawl; 44. Torsion spring; 5. Slide groove; 501. Pull rope; 51. Slider; 52. Displacement groove; 53. L-shaped assembly block; 54. Vertical groove; 6. Handle; 61. Drive rod; 62. Stop block; 63. Drive rope. Detailed Implementation

[0033] To enable those skilled in the art to better understand this utility model, the technical solution of this utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0034] like Figure 1-8 As shown, the present utility model

[0035] A CNC machining center, including

[0036] The machining center body 1 has a working opening 11 on the front side and a slide rail on the front side inside the machining center body 1. Two protective doors 12 are slidably mounted on the slide rail. Under the action of the slide rail, the two protective doors can perform corresponding sliding operations.

[0037] Assembly column 2 is horizontally installed on the upper side of the inside of machining center body 1, and a rectangular slide groove 21 is provided on the front side of assembly column 2.

[0038] Two racks 3 are provided, and the two racks 3 are slidably assembled in the rectangular slide groove 21 with left and right distribution. The two racks 3 are respectively fixedly connected to the two protective doors 12 through two assembly blocks 31.

[0039] There are two locking mechanisms 4, which are installed on the left and right sides of the rectangular slide groove 21 respectively. The two locking mechanisms 4 are used to limit the two racks 3. As the two protective doors 12 slide, the two racks 3 will slide. Due to the setting of the locking mechanism 4, the racks 3 can only slide in one direction. Therefore, when opening the protective door 12, it is necessary to contact the locking mechanism 4 to lock it before the protective door 12 can be opened, which increases the safety of use.

[0040] The locking mechanism 4 includes a gear 41, which is rotatably mounted on the upper side inside the rectangular slide groove 21 and meshes with the rack 3.

[0041] A rotating shaft 42 is rotatably mounted on the upper side of the rectangular slide 21. An arc-shaped claw 43 is fixedly installed at the front end of the rotating shaft 42. One end of the arc-shaped claw 43 extends into the space between two teeth of the gear 41. A torsion spring 44 is sleeved around the rotating shaft 42. One end of the torsion spring 44 is fixedly connected to the rear side of the arc-shaped claw 43, and the other end of the torsion spring 44 is fixedly connected to the rear inner wall of the rectangular slide 21.

[0042] The upper inner wall of the rectangular slide 21 is provided with a slide 5, and a pulling mechanism is provided inside the slide 5. The pulling mechanism is fixedly connected to the top of the two arc-shaped claws 43 by two pull ropes 501.

[0043] In the initial state, taking one of the protective doors 12 as an example, when operation is required through the working port 11, the protective door 12 is stored inside the machining center body 1. When the protective door 12 needs to be used, the operator pushes the protective door 12 to move it. Under the action of the torsion spring 44, the arc-shaped pawl 43 always maintains contact with one of the tooth tips of the gear 41. Figures 7 to 8As shown, when the two protective doors 12 are closed, the protective door 12 drives the rack 3 to move, and the rack 3 drives the gear 41 to rotate. Due to the setting of the arc-shaped claw 43, the gear 42 can only rotate in one direction. When rotating in this direction, the teeth of the gear 41 can drive the arc-shaped claw 43 to open. However, due to the setting of the torsion spring 33, when the gear 41 stops rotating, the torsion spring 33 drives the arc-shaped claw 43 to re-abut against the side of one of the tooth tips of the gear 41. Thus, when the two protective doors 12 are in the closed state, they cannot be opened again. When sliding in the opening direction, the two arc-shaped claws 43 engage the two gears 41, and the gears 41 cannot rotate. Then the protective door 12 is fixed. This closing method is reliable and can prevent the protective door from opening due to vibration, external collision or incorrect operation, which could cause the processing chips to fly and injure the workers. When it is necessary to open the protective door 12, the two arc-shaped claws 43 can be pulled up using the pulling mechanism to release the engagement.

[0044] The pulling mechanism includes a slider 51, which is slidably assembled inside the groove 5. One end of each of the two pull ropes 501 is fixedly connected to the top left and right sides of the slider 51. A displacement groove 52 is provided at the bottom of the slider 51. Two L-shaped assembly blocks 53 are slidably assembled inside the displacement groove 52. Vertical grooves 54 are provided on the rear side of each of the two protective doors 12. The front ends of the two L-shaped assembly blocks 53 are slidably connected to the two vertical grooves 54 respectively.

[0045] Both protective doors 12 are equipped with drive components on their front sides. The two drive components are used to pull the two L-shaped assembly blocks 53 down.

[0046] In use, the slider 51 can only move up and down inside the slide groove 5. Under the action of the drive component, the two L-shaped assembly blocks 53 slide laterally inside the displacement groove 52 along with the sliding of the two protective doors 12. The operator can pull down the slider 51 through the drive component. When the slider 51 comes down, the pull rope 501 pulls the ends of the two arc-shaped claws 43 upward, so that they contact and abut, and the gear 41 can rotate normally, and the two protective doors 12 can be opened. The operation is simple and convenient. The drive component includes a handle 6, which is fixedly installed on the front side of the protective door 12. The drive rod 61 is slidably installed inside the handle 6. The abutment block 62 is fixedly installed on the rear side of the drive rod 61. The drive rope 63 is fixedly installed at the bottom of the L-shaped assembly block 53, and one end of the drive rope 63 is fixedly connected to the rear side of the abutment block 62.

[0047] When in use, to close the two protective doors 12, simply push the two protective doors 12 with the handle 12 to close them. When it is necessary to open the protective doors 12, the operator holds the handle 12 and moves the two drive rods 61 forward with their fingers, which generates a pulling force to move the drive rope 61. The rope 61 then pulls down the L-shaped assembly block 53, and the L-shaped assembly block 53 pulls down the slider 51, thus pulling the arc-shaped claw 43. The operation is simple and requires no additional operation.

[0048] The observation windows of both protective doors 12 are made of tempered glass; the tempered glass material can effectively improve the service life of the observation windows of the two protective doors 12.

[0049] The device is used as follows:

[0050] In use, in the initial state, the two protective doors 12 are housed inside the machining center body 1, and the arc-shaped claw 43 is in contact with the side of one of the tooth tips of the gear 41 under the action of the torsion spring 44; the slider 51 is in the initial position in the slide groove 5, and the L-shaped assembly block 53 is normally connected to the vertical groove 54 of the protective door 12.

[0051] When the protective door 12 is closed, the staff pushes the two protective doors 12 along the slide rail by using the handle 6. The protective door 12 drives the rack 3 to move in the rectangular slide groove 21. The rack 3 drives the gear 41 to rotate. When the gear 41 rotates, it pushes the arc-shaped claw 43 to temporarily open. After the rotation stops, the torsion spring 44 drives the arc-shaped claw 43 to re-abut against the side of the tooth tip of the gear 41, so as to achieve locking and fixation after the protective door 12 is closed.

[0052] When the protective door 12 needs to be opened, the worker holds the handle 6 and simultaneously moves the drive rod 61 forward with their finger. The drive rod 61 pulls the drive rope 63 through the stop block 62, and the drive rope 63 pulls down the L-shaped assembly block 53. The L-shaped assembly block 53 drives the slider 51 to move down in the slide groove 5. The slider 51 pulls the end of the arc-shaped claw 43 upward through the pull rope 501, releasing the contact with the gear 41. The gear 41 can then rotate freely. At this time, pushing the handle 6 will open the protective door 12.

[0053] The above embodiments are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A CNC machining center, characterized in that: include The machining center body (1) has a working opening (11) on the front side and a slide rail on the front side inside the machining center body (1). Two protective doors (12) are slidably mounted on the slide rail. Assembly column (2) is horizontally installed on the upper side inside the machining center body (1), and a rectangular slide groove (21) is provided on the front side of the assembly column (2). Two racks (3) are provided. The two racks (3) are slidably assembled in the rectangular slide groove (21) with the racks (3) distributed to the left and right. The two racks (3) are fixedly connected to the two protective doors (12) through two assembly blocks (31); There are two locking mechanisms (4). The two locking mechanisms (4) are installed on the left and right sides inside the rectangular slide groove (21) respectively. The two locking mechanisms (4) are used to limit the two racks (3).

2. A CNC machining center according to claim 1, characterized in that: The locking mechanism (4) includes a gear (41), which is rotatably mounted on the upper side inside the rectangular slide groove (21), and the gear (41) meshes with the rack (3); A rotating shaft (42) is rotatably mounted on the upper side inside the rectangular slide groove (21). An arc-shaped claw (43) is fixedly installed at the front end of the rotating shaft (42). One end of the arc-shaped claw (43) extends into the space between two teeth of the gear (41). A torsion spring (44) is sleeved around the rotating shaft (42). One end of the torsion spring (44) is fixedly connected to the rear side of the arc-shaped claw (43), and the other end of the torsion spring (44) is fixedly connected to the inner wall of the rear side of the rectangular slide groove (21). A groove (5) is provided on the upper inner wall of the rectangular groove (21). A pulling mechanism is provided inside the groove (5). The pulling mechanism is fixedly connected to the top of two arc-shaped claws (43) through two pull ropes (501).

3. A CNC machining center according to claim 2, characterized in that: The pulling mechanism includes a slider (51), which is slidably assembled inside the groove (5). One end of two pull ropes (501) is fixedly connected to the top left and right sides of the slider (51). A displacement groove (52) is provided at the bottom of the slider (51). Two L-shaped assembly blocks (53) are slidably assembled inside the displacement groove (52). Vertical grooves (54) are provided on the rear side of the two protective doors (12). The front ends of the two L-shaped assembly blocks (53) are slidably connected to the two vertical grooves (54). Both protective doors (12) are equipped with drive components on the front side. The two drive components are used to pull the two L-shaped assembly blocks (53) down.

4. A CNC machining center according to claim 3, characterized in that: The drive assembly includes a handle (6), which is fixedly installed on the front side of the protective door (12). A drive rod (61) is slidably mounted inside the handle (6). A stop block (62) is fixedly installed on the rear side of the drive rod (61). A drive rope (63) is fixedly installed at the bottom of the L-shaped assembly block (53). One end of the drive rope (63) is fixedly connected to the rear side of the stop block (62).

5. A CNC machining center according to claim 1, characterized in that: The observation windows of both protective doors (12) are made of tempered glass.

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