Rotary workbench and laser cutting machine

Abstract

The utility model discloses a rotary working table and a laser cutting machine, the rotary working table comprises a rotary seat, a screen assembly and a driving assembly, the two sides of the rotary seat are provided with bearing platforms, the bearing platforms are provided with sliding tables, and the sliding tables can move in the direction away from or close to the rotary seat; the screen assembly is connected to the rotating seat, and the screen assembly is vertically arranged and can seal an inlet and an outlet of the laser cutting machine; the driving assembly comprises a motor, a lead screw and a nut, the motor is fixed to the rotating seat, the lead screw is connected to an output shaft of the motor, and the nut sleeves the lead screw and is fixed to the sliding table; wherein the bearing platform is provided with a connecting rod, the lead screw and the nut are located above the connecting rod, the connecting rod is connected with a first organ protective cover, a fixed protective cover and a second organ protective cover, the fixed protective cover is fixed to the nut, and the first organ protective cover and the second organ protective cover are connected to the two ends of the fixed protective cover. And the first organ shield, the fixed shield and the second organ shield form a complete protection structure, so that the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of laser equipment, in particular to a rotary workbench and a laser cutting machine. Background Art

[0002] CNC laser cutting machine has the advantages of high cutting accuracy, fine cutting seam, good cutting quality and no noise. It is the technology with the most development prospects and industrial application background in laser processing technology. It has been widely used in automobile manufacturing, petrochemical industry, machinery manufacturing, aerospace and other fields.

[0003] In the related technology, some CNC laser cutting machines use a rotary table to carry large workpieces. The rotary table can complete loading and unloading after one rotation. Due to the large size and irregular shape of the workpiece, in order to meet the requirements of loading various workpieces, a slide is required to increase the area of ​​the rotary table. However, the motor, screw nut pair and other components that drive the slide will be contaminated by the sparks, smoke and waste generated by laser cutting, causing damage to the motor and screw nut pair and other components, affecting their service life. Utility Model Content

[0004] The utility model aims to solve one of the technical problems in the related art at least to a certain extent. To this end, the utility model provides a rotary worktable, which can effectively protect the motor and the screw nut pair and increase the service life.

[0005] The utility model also provides a laser cutting machine using a rotating worktable.

[0006] According to the first aspect of the embodiment of the utility model, a rotating workbench is proposed, comprising a rotating seat, a screen assembly and a driving assembly, wherein bearing platforms are arranged on both sides of the rotating seat, and the bearing platform is provided with a slide, the slide is used to install a fixture, and the slide can move in a direction away from or close to the rotating seat; the screen assembly is connected to the rotating seat, the screen assembly is arranged vertically, and can close the entrance and exit of the laser cutting machine; the driving assembly comprises a motor, a screw rod and a nut, the motor is fixed to the rotating seat, the screw rod is connected to the output shaft of the motor, the nut is sleeved on the screw rod and fixed to the slide; wherein the bearing platform is provided with a connecting rod, the screw rod and the nut are located above the connecting rod, the connecting rod is connected with a first accordion shield, a fixed shield and a second accordion shield, the fixed shield is fixed to the nut, and the first accordion shield and the second accordion shield are connected at both ends of the fixed shield.

[0007] The rotary workbench of the embodiment of the utility model has at least the following beneficial effects:

[0008] The rotating worktable drives the two carrying platforms to rotate through the rotating seat. The workpiece can be loaded and unloaded by rotating 180°. Considering the processing requirements of some workpieces, the carrying platform is provided with a slide, and the position of the workpiece can be adjusted by the slide. The motor of the drive component drives the screw to rotate, and the screw and the nut cooperate to drive the slide to move, which can accurately control the position of the workpiece. The first accordion guard, the fixed guard and the second accordion guard form a complete protection structure. During the movement of the slide, it can protect the drive component in all directions to prevent sparks, smoke and waste generated by laser cutting, thereby improving the reliability and service life of the operation.

[0009] According to some embodiments of the first aspect of the utility model, the slide table is provided with an upper connecting rod, the upper connecting rod is parallel to the connecting rod and is located above the connecting rod, the upper connecting rod is fixedly connected to the nut, the upper connecting rod is provided with a first dust cover, the first dust cover covers the upper connecting rod, and downwardly inclined first inclined plates are provided on both sides of the first dust cover.

[0010] According to some embodiments of the first aspect of the utility model, the first dust cover is also provided with a first side plate, the first side plate is located on the side of the first inclined plate away from the upper connecting rod, the first side plate extends downward, and a plurality of triangular brackets are provided on both sides of the upper connecting rod, the inclined surfaces of the triangular brackets abut against the first inclined plate, and the outer edges of the triangular brackets abut against the first side plate.

[0011] According to some embodiments of the first aspect of the utility model, the supporting platform includes a main cross bar fixed to the rotating seat, the two ends of the main cross bar are fixedly connected to the main longitudinal bars, the other ends of the two main longitudinal bars are fixedly connected to the secondary cross bars, the connecting rod is arranged at the center of the main cross bar and the secondary cross bar, the opposite sides of the two main longitudinal bars are connected to the loading plate, the main longitudinal bar and the loading plate are connected and fixed by a plurality of support plates, a slide rail is arranged on the loading plate, the slide is slidably connected to the slide rail, the slide is provided with a second dust cover and a third accordion cover, the second dust cover is arranged above the slide rail, and the two ends of the third accordion cover are connected to the second dust cover and the main cross bar.

[0012] According to some embodiments of the first aspect of the utility model, the slide platform is provided with an upper longitudinal rod, which is parallel to the slide rail and located above the slide rail, and the second dust cover includes protective plates arranged on both sides of the upper longitudinal rod, the protective plates are arranged vertically, and the lower edge of the protective plates is adjacent to the loading plate.

[0013] According to some embodiments of the first aspect of the utility model, the upper end of the upper longitudinal rod is also connected to a third dust cover, and the third dust cover includes third inclined plates distributed on both sides of the upper longitudinal rod, the third inclined plates are inclined downward, and can cover the main longitudinal rod and the loading plate.

[0014] According to some embodiments of the first aspect of the utility model, a third side plate is provided on the edge of the third inclined plate facing the connecting rod, the third side plate extends downward, and the lower edge of the third side plate is lower than the upper edge of the second dust cover.

[0015] According to some embodiments of the first aspect of the utility model, a plurality of shielding plates are provided at one end of the slide toward the rotating seat, the shielding plates are higher than the main cross bar, and the plurality of shielding plates are distributed directly above the connecting rod, the main longitudinal rod and the loading plate.

[0016] According to some embodiments of the first aspect of the utility model, the main cross bar is provided with a notch, a coupling is arranged in the notch, the screw rod is connected to the output shaft of the motor through the coupling, the main cross bar is connected to a fourth dust cover, a bearing seat is provided on the connecting rod, the screw rod is installed on the bearing seat, and the fourth dust cover is provided with a through groove adapted to the bearing seat.

[0017] According to some embodiments of the second aspect of the utility model, a laser cutting machine is provided, comprising the rotating worktable described in the embodiments of the first aspect.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 The use state of the rotary table in the second embodiment of the utility model Figure 1 ;

[0021] Figure 2 The use state of the rotary table in the second embodiment of the utility model Figure 2 ;

[0022] Figure 3 It is a structural schematic diagram of a rotary workbench of an embodiment of the first aspect of the utility model;

[0023] Figure 4 It is an exploded schematic diagram of a rotary workbench of an embodiment of the first aspect of the utility model;

[0024] Figure 5 yes Figure 4 A local enlarged view of point A;

[0025] Figure 6 The structure of the slide in the first embodiment of the utility model is shown in FIG. Figure 1 ;

[0026] Figure 7 The structure of the slide in the first embodiment of the utility model is shown in FIG. Figure 2 . DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] Reference Figures 1 to 7The embodiment of the first aspect of the utility model proposes a rotating worktable, which includes a rotating seat 100, a screen assembly 200 and a driving assembly 300. The rotating seat 100 is the rotation center, which is usually driven by a servo motor to rotate and accurately control the rotation angle. A bearing platform 110 is provided on both sides of the rotating seat 100. A slide 400 is provided on the bearing platform 110. The slide 400 is used to install a fixture, and a workpiece is installed on the fixture to position the workpiece for laser cutting. Figure 1 and Figure 2 As shown, the slide 400 can move in a direction away from or close to the rotating seat 100, thereby adjusting the position of the workpiece, and improving the accuracy and efficiency of laser cutting during the processing. The rotating table drives the two bearing platforms 110 to rotate through the rotating seat 100, and the workpiece can be loaded and unloaded by rotating 180 degrees. Considering the processing requirements of some workpieces, the rotating table is provided with a slide 400, and the position of the workpiece can be adjusted by using the slide 400.

[0032] The screen assembly 200 is connected to the rotating seat 100. The screen assembly 200 is arranged vertically. The function of the screen assembly 200 is to close the entrance and exit of the laser cutting machine. Since strong light will be generated during the laser cutting process, the screen assembly 200 is a square tube frame with a metal plate. The screen assembly 200 rotates with the rotating seat 100. When it rotates 180°, the screen assembly 200 changes direction and still keeps the entrance and exit of the laser cutting machine closed.

[0033] The driving assembly 300 includes a motor 310, a screw rod 320 and a nut 330, wherein the screw rod 320 and the nut 330 form a screw rod and nut pair, wherein the motor 310 is fixed to the rotating seat 100, the screw rod 320 is connected to the output shaft of the motor 310, and the nut 330 is sleeved on the screw rod 320 and fixed to the slide 400; wherein, Figure 5 As shown, the supporting platform 110 is provided with a connecting rod 111, the screw rod 320 and the nut 330 are located above the connecting rod 111, a support 112 is provided on the connecting rod 111, the end of the screw rod 320 is rotatably connected to the support 112, the connecting rod 111 is connected with a first accordion shield 120, a fixed shield 130 and a second accordion shield 140, the fixed shield 130 is fixed to the nut 330, the first accordion shield 120 and the second accordion shield 140 are connected at both ends of the fixed shield 130, and the other end of the first accordion shield 120 is fixedly connected to a position of the supporting platform 110 close to the rotating seat 100, and the other end of the second accordion shield 140 is fixedly connected to the support 112.

[0034] The motor 310 drives the screw rod 320 to rotate, and the screw rod 320 cooperates with the nut 330 to drive the slide 400 to move, which can accurately control the position of the workpiece. The first accordion shield 120, the fixed shield 130 and the second accordion shield 140 form a complete protection structure. During the movement of the slide 400, the drive assembly 300 can be fully protected to prevent sparks, smoke and waste contamination caused by laser cutting, thereby improving the reliability and service life of the operation.

[0035] Reference Figures 3 to 7 In some embodiments of the first aspect of the utility model, the slide 400 is provided with an upper connecting rod 410, the upper connecting rod 410 is parallel to the connecting rod 111 and is located above the connecting rod 111, the upper connecting rod 410 is fixed with the connecting nut 330, and a first dust cover 420 is provided on the upper connecting rod 410, the first dust cover 420 covers the upper connecting rod 410, and downwardly inclined first inclined plates 421 are provided on both sides of the first dust cover 420, and the range covered by the two first inclined plates 421 is much larger than the connecting rod 111, and the first dust cover 420 is used to block sparks, smoke and waste generated by laser cutting, so as to further protect the driving assembly 300. The first dust cover 420 is fixed to the upper connecting rod 410 by bolts, which is convenient for disassembly and cleaning.

[0036] Furthermore, the first dust shield 420 is also provided with a first side plate 422, which is located on the side of the first inclined plate 421 away from the upper connecting rod 410, and the first side plate 422 extends downward, and the two first side plates 422 can block the splashes on both sides of the connecting rod 111, further protecting the driving assembly 300. A plurality of triangular brackets are provided on both sides of the upper connecting rod 410, and the inclined surfaces of the triangular brackets abut against the first inclined plate 421, and the outer edges of the triangular brackets abut against the first side plate 422. The outer edges of the triangular brackets can be set to a plane and fit tightly with the first side plate 422, and can be attached by magnetic attraction or glue.

[0037] Reference Figure 4 and Figure 5In some embodiments of the first aspect of the utility model, the carrying platform 110 includes a main crossbar 113 fixed to the rotating seat 100, the two ends of the main crossbar 113 are fixedly connected to the main longitudinal bars 114, the other ends of the two main longitudinal bars 114 are fixedly connected to the secondary crossbars 115, a connecting rod 111 is arranged at the center of the main crossbar 113 and the secondary crossbar 115, the opposite sides of the two main longitudinal bars 114 are connected to the loading plate 116, the main longitudinal bar 114 and the loading plate 116 are connected and fixed by a plurality of support plates, a slide rail 117 is arranged on the loading plate 116, and the slide table 400 Slidingly connected to the slide rail 117, the slide 400 is provided with a second dust cover 430 and a third accordion cover 440. The second dust cover 430 is arranged above the slide rail 117. Both ends of the third accordion cover 440 are connected to the slide 400 and the main cross bar 113. The second dust cover 430 moves with the slide 400, and the third accordion cover 440 is extended and retracted accordingly. The second dust cover 430 and the third accordion cover 440 are utilized to cover the slide rail 117 to prevent sparks, smoke and waste materials generated by laser cutting from contaminating the slide rail 117, thereby improving the reliability of operation and service life.

[0038] Furthermore, the slide 400 is provided with an upper longitudinal rod 450, which is parallel to the slide rail 117 and located above the slide rail 117. The second dust shield 430 includes protective plates arranged on both sides of the upper longitudinal rod 450, which are arranged vertically, and the lower edge of the protective plate is adjacent to the loading plate 116, so as to minimize the gap and prevent sparks, smoke and waste generated by laser cutting from contaminating the slide rail 117. The third accordion shield 440 can be connected to the upper longitudinal rod 450 or the second dust shield 430, and the third accordion shield 440 is extended and retracted following the movement of the slide 400.

[0039] Reference Figures 3 to 7 In some embodiments of the first aspect of the utility model, the upper end of the upper longitudinal rod 450 is also connected to a third dust cover 460, and the third dust cover 460 includes a third inclined plate 461 distributed on both sides of the upper longitudinal rod 450. The third inclined plate 461 is inclined downward and can cover the main longitudinal rod 114 and the loading plate 116. The third dust cover 460 is used to block sparks, smoke and waste generated by laser cutting, thereby adding a layer of protection to further protect the slide rail 117.

[0040] Furthermore, a third side plate 462 is provided at the edge of the third inclined plate 461 facing the connecting rod 111, and the third side plate 462 extends downward, and the lower edge of the third side plate 462 is lower than the upper edge of the second dust cover 430, and the third side plate 462 is used to block the sparks, smoke and waste generated by laser cutting from the side, so as to further protect the slide rail 117. The lower edge of the third side plate 462 is lower than the upper edge of the second dust cover 430, so as to prevent the sparks, smoke and waste from passing over the third side plate 462, and the blocking effect is better.

[0041] Reference Figures 3 to 7In some embodiments of the first aspect of the utility model, a plurality of shielding plates 470 are provided at one end of the slide 400 facing the rotating seat 100, and the shielding plates 470 are higher than the main cross bar 113. The plurality of shielding plates 470 are distributed directly above the connecting rod 111, the main longitudinal rod 114 and the loading plate 116. When the slide 400 moves away from the rotating seat 100, the plurality of shielding plates 470 are used to block sparks, smoke and waste generated by laser cutting, thereby improving protection for the first accordion shield 120 and the third accordion shield 440 and reducing the risk of damage.

[0042] Reference Figure 5 In some embodiments of the first aspect of the utility model, the main cross bar 113 is provided with a notch, a coupling 340 is arranged in the notch, the screw rod 320 is connected to the output shaft of the motor 310 through the coupling 340, the main cross bar 113 is connected to the fourth dust cover 150, a bearing seat 350 is provided on the connecting rod 111, the screw rod 320 is installed on the bearing seat 350, and the screw rod 320 is supported by the bearing in the bearing seat 350 to ensure smooth rotation of the screw rod 320, the fourth dust cover 150 is provided with a through groove adapted to the bearing seat 350, the fourth dust cover 150 matches the shape of the bearing seat 350, and contacts each other, or the gap is less than 3mm, so as to prevent sparks, smoke and waste generated by laser cutting and protect the motor 310, and the first accordion cover 120 is connected to the bearing seat 350.

[0043] The embodiment of the second aspect of the utility model proposes a laser cutting machine, including a rotating worktable of the embodiment of the first aspect, including all technical solutions of the rotating worktable, and having all technical effects of the rotating worktable, which will not be repeated.

[0044] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Rotating table, characterized in that: include: A rotating seat, wherein both sides of the rotating seat are provided with a bearing platform, and the bearing platform is provided with a slide, and the slide is used to install the fixture, and the slide can move in a direction away from or close to the rotating seat; A screen assembly is connected to the rotating seat, the screen assembly is arranged vertically and can close the entrance and exit of the laser cutting machine; A driving assembly, comprising a motor, a screw and a nut, wherein the motor is fixed to the rotating seat, the screw is connected to the output shaft of the motor, and the nut is sleeved on the screw and fixed to the slide; Among them, the supporting platform is provided with a connecting rod, the screw rod and the nut are located above the connecting rod, the connecting rod is connected with a first accordion shield, a fixed shield and a second accordion shield, the fixed shield is fixed to the nut, and the first accordion shield and the second accordion shield are connected at both ends of the fixed shield.

2. The rotary table according to claim 1, characterized in that: The slide is provided with an upper connecting rod, which is parallel to the connecting rod and located above the connecting rod. The upper connecting rod is fixedly connected to the nut. A first dust cover is provided on the upper connecting rod, which covers the upper connecting rod, and first inclined plates inclined downward are provided on both sides of the first dust cover.

3. The rotary table according to claim 2, characterized in that: The first dust cover is also provided with a first side plate, which is located on the side of the first inclined plate away from the upper connecting rod, and the first side plate extends downward. A plurality of triangular brackets are provided on both sides of the upper connecting rod, and the inclined surfaces of the triangular brackets abut against the first inclined plate, and the outer edges of the triangular brackets abut against the first side plate.

4. The rotary table according to claim 1, characterized in that: The bearing platform includes a main cross bar fixed to the rotating seat, both ends of the main cross bar are fixedly connected to main longitudinal bars, the other ends of the two main longitudinal bars are fixedly connected to secondary cross bars, the connecting rod is arranged at the center of the main cross bar and the secondary cross bar, the opposite sides of the two main longitudinal bars are connected to loading plates, the main longitudinal bar and the loading plates are connected and fixed by a plurality of support plates, a slide rail is arranged on the loading plate, the slide is slidably connected to the slide rail, the slide is provided with a second dust cover and a third accordion cover, the second dust cover is arranged above the slide rail, and both ends of the third accordion cover are connected to the second dust cover and the main cross bar.

5. The rotary table according to claim 4, characterized in that: The slide table is provided with an upper longitudinal rod, which is parallel to the slide rail and located above the slide rail. The second dust cover includes protective plates arranged on both sides of the upper longitudinal rod. The protective plates are arranged vertically, and the lower edges of the protective plates are adjacent to the loading plate.

6. The rotary table according to claim 5, characterized in that: The upper end of the upper longitudinal rod is also connected to a third dust cover, and the third dust cover includes third inclined plates distributed on both sides of the upper longitudinal rod. The third inclined plates are inclined downward and can cover the main longitudinal rod and the loading plate.

7. The rotary table according to claim 6, characterized in that: A third side plate is provided on the edge of the third inclined plate facing the connecting rod. The third side plate extends downward, and a lower edge of the third side plate is lower than an upper edge of the second dust shield.

8. The rotary table according to claim 4, characterized in that: A plurality of shielding plates are arranged at one end of the slide toward the rotating seat, the shielding plates are higher than the main cross bar, and the plurality of shielding plates are distributed directly above the connecting rod, the main longitudinal rod and the loading plate.

9. The rotary table according to claim 4, characterized in that: The main cross bar is provided with a notch, a coupling is arranged in the notch, the screw rod is connected to the output shaft of the motor through the coupling, the main cross bar is connected to the fourth dust cover, a bearing seat is provided on the connecting rod, the screw rod is installed on the bearing seat, and the fourth dust cover is provided with a through groove adapted to the bearing seat.

10. Laser cutting machine, characterized in that, It comprises the rotating worktable as claimed in any one of claims 1 to 9.

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