A feeding workbench and small-format laser cutting machine

Abstract

The utility model provides a loading workbench and a small-format laser cutting machine, which relate to the field of laser cutting, and adopts a scheme that includes a stand, a blade is arranged on the stand, and support legs are rotatably arranged at the lower part of both ends of the stand, the support legs are connected to a support drive assembly through a transmission mechanism, and the support drive assembly is arranged on the stand. The loading workbench of the utility model has high strength and strong bearing capacity, and meets the requirements for loading thicker steel plates.

Description

Technical Field

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

[0002] Small-format laser cutting machines use high-intensity lasers and can cut workpieces at very high speeds. Compared with traditional mechanical cutting methods, laser cutting is fast, so more work can be completed in a short time, improving overall production efficiency. At the same time, small-format laser cutting machines have excellent precision and can cut a variety of complex shapes and details.

[0003] In the related technology, a single-frame fiber optic laser cutting machine is disclosed, including a support table, a guide beam is provided on one side of the support table, a slidable loading platform is provided on the upper end of the support table, baffles are provided at both ends of the support table, a limit block is provided at the end of the baffle away from the guide beam, sliding blocks are provided at both ends of the loading platform close to the guide beam, and a transverse slider is provided on the guide beam; when the device is in use, the loading platform is first extended out of the support table partly, the plate material is placed on the loading platform, the loading platform is pushed to the position against the guide beam, and then the cutting operation is performed. After the cutting operation is completed, the loading platform is pushed out of the support table, the cut product is taken down, and the loading platform is pushed in to complete the cutting.

[0004] With the above technical solution, since some high-power laser cutting machines process relatively thick steel plates, the load-bearing capacity of the loading platform, i.e. the loading workbench structure, is required to be relatively high. However, in the above technical solution, the loading platform, i.e. the loading workbench, is a cantilever beam support structure after being extended, and has a poor load-bearing capacity, which has hindered the development of such laser equipment to a certain extent. Utility Model Content

[0005] In order to solve the technical problem of poor load-bearing capacity of the loading table of the laser cutting machine in the above-mentioned prior art, the utility model provides a loading table and a small-format laser cutting machine. The loading table has high strength and strong load-bearing capacity, which can meet the requirements for loading and using thicker steel plates.

[0006] In the first aspect, the utility model provides a loading workbench to solve the above technical problems, including a stand, a knife strip is arranged on the stand, and also includes support legs, the support legs are rotatably arranged at the lower part of both ends of the stand, the support legs are connected to the support drive assembly through a transmission mechanism, and the support drive assembly is arranged on the stand. By rotatably arranging the support legs at the lower part of the stand, it is possible to support the stand after it moves out, avoiding the stand from becoming a cantilever beam support form after it is extended, having a high load-bearing capacity, meeting the requirements for loading thicker steel plates, and at the same time, the rotatable support legs do not affect the movement of the stand.

[0007] Furthermore, a leg support limiting assembly is also provided on the stand.

[0008] Furthermore, the transmission mechanism includes a driving pulley and a driven pulley, the driving pulley and the driven pulley are connected by a synchronous belt, the driven pulley is arranged on the support leg, and the driven pulley can drive the support leg to rotate, and the support drive assembly includes a driving motor, and the output shaft of the driving motor is connected to two one-way bearings, the two one-way bearings rotate in opposite directions, and the outer circumferences of the two one-way bearings are respectively sleeved with corresponding driving pulleys. By using one-way bearings, the driving motor can independently control whether to support each support leg, and can be selected according to the extension distance of the platform, which has high flexibility. At the same time, the one-way bearings can also realize that one motor drives two support legs, simplifying the overall structure and reducing the manufacturing cost of the platform.

[0009] Furthermore, the leg support limit assembly includes a limit pin and a limit cylinder connected to each other, the limit cylinder is arranged downward on the upper part of the platform, the support leg is provided with a limit plate, the limit plate is provided with a limit hole, and the limit pin can extend into the limit hole. Through the cooperation of the limit cylinder and the limit pin, flexible control of whether the limit pin is limited is achieved.

[0010] Furthermore, a mounting groove is provided at the lower part of the support leg, an adjustment wheel is provided in the mounting groove, an adjustment hole is provided on the groove wall of the mounting groove, the adjustment hole is a straight groove hole, the adjustment hole is vertically provided, an adjustment bolt is rotatably provided vertically at the lower part of the support leg, and the adjustment bolt is threadedly connected with the adjustment sleeve on the adjustment wheel. By adopting the mounting groove with a straight groove hole structure, the height of the adjustment wheel can be adjusted to adapt to uneven ground, thereby ensuring the horizontal use state of the workbench.

[0011] Furthermore, along the moving direction of the platform during discharging, limit seats are provided at both ends of the rear portion of the platform to prevent the workbench from slipping.

[0012] Furthermore, a plurality of rollers are respectively provided at both ends of the lower portion of the frame.

[0013] Furthermore, protective plates are respectively provided at both ends of the platform, and the protective plates are located on the transmission mechanism and the support drive assembly. The support drive assembly and the transmission mechanism are protected by the protective plates to avoid being damaged by splashed materials.

[0014] In the second aspect, the utility model also provides a small-format laser cutting machine, including a cutting machine body, the cutting machine body is provided with a loading port, the cutting machine body includes a base, and also includes the above-mentioned loading workbench, the base is symmetrically provided with guide rails at both ends, the roller can move along the guide rails, the stand is connected to the mobile drive assembly, the mobile drive assembly is arranged on the base, and limit plates are provided at both ends of the loading port, and the limit plates can abut against the limit seat.

[0015] Furthermore, the mobile drive assembly includes a motor reducer and a transmission shaft, the motor reducer is arranged on the base, the motor reducer is connected to the transmission shaft, both ends of the transmission shaft are rotatably arranged on the base, the length direction of the transmission shaft is perpendicular to the moving direction of the platform, and both ends of the transmission shaft are respectively provided with a driving sprocket, the driving sprocket is connected to a driven sprocket through a transmission chain, the driven sprocket is arranged at the loading port, and the transmission chain is connected to the end of the platform through a connecting plate. The cooperation of the transmission shaft and the chain drive can realize the movement of the loading workbench to the outside of the cutting machine body, with a large operating space, which is convenient for loading and picking steel plates of various sizes.

[0016] It can be seen from the above technical solutions that the utility model has the following advantages:

[0017] The utility model provides a loading workbench and a small-format laser cutting machine. The support legs are rotatably arranged at the lower part of the platform, so that the platform can be supported after it moves out, so as to avoid the platform becoming a cantilever beam support form after it is extended. The utility model has a high load-bearing capacity and meets the requirements for loading and using thicker steel plates. At the same time, the rotatable support legs do not affect the movement of the platform. The one-way bearing is used to realize the independent control of whether each support leg is supported by the driving motor, and the support leg can be selected according to the extension distance of the platform, which has high flexibility. At the same time, the one-way bearing is used to realize one motor driving two support legs, which simplifies the overall structure and reduces the manufacturing cost of the platform. The limit cylinder and the limit pin are matched to realize flexible control of whether the limit pin is limited. The installation groove with a straight slot hole structure can adjust the height of the adjustment wheel to adapt to uneven ground and ensure the horizontal use state of the workbench. The limit seat is set to prevent the workbench from slipping. The loading workbench can be moved to the outside of the cutting machine body by the cooperation of the transmission shaft and the chain drive, so that the operation space is large and it is convenient to load and pick up steel plates of various sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a state diagram of a specific implementation mode of the utility model with the support legs folded.

[0020] Figure 2 It is a structural schematic diagram of the mobile drive assembly in the first specific implementation mode of the utility model.

[0021] Figure 3 It is a structural schematic diagram of a second specific implementation mode of the present utility model.

[0022] In the figure, 1, stand; 2, blade; 3, blade support frame; 4, support leg; 5, drive motor; 6, protective plate; 7, limit seat; 8, support leg limit assembly; 9, adjustment wheel; 10, synchronous belt; 11, roller; 12, coupling; 13, driving pulley; 14, input shaft; 15, one-way bearing; 16, transmission seat; 17, cutting machine body; 18, lifting door; 19, guide rail; 20, position sensor. DETAILED DESCRIPTION

[0023] In order to make the purpose, features and advantages of the utility model more obvious and easy to understand, the technical scheme of the utility model will be clearly and completely described below in combination with the drawings in the specific embodiment. Obviously, the embodiments described below are only part of the embodiments of the utility model, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent. Specific implementation method 1

[0025] like Figure 1As shown, this specific embodiment provides a loading workbench, including a platform 1, support legs 4, a transmission mechanism and a support drive assembly, and a knife strip 2 and a knife strip support frame 3 are arranged on the platform 1; the support legs 4 are rotatably arranged at the lower part of both ends of the platform 1 through bearings, and the support legs 4 are connected to the support drive assembly through a transmission mechanism, and the support drive assembly is arranged on the platform 1, and a leg limit assembly 8 is also arranged on the platform 1. By rotatably arranging the support legs 4 at the lower part of the platform 1, it is possible to support the platform 1 after it moves out, so as to avoid the platform 1 becoming a cantilever beam support form after it is extended, and it has a high load-bearing capacity, which meets the requirements for loading thicker steel plates, and at the same time, the rotatable support legs 4 do not affect the movement of the platform 1; in this specific embodiment, two support legs 4 are arranged at each end, and the support effect on the platform 1 is further enhanced by arranging two support legs 4 at each end, and its load-bearing capacity is improved.

[0026] like Figures 1 to 3 As shown, due to the different sizes of the steel plates, the extension distance of the stand 1 is determined according to the size of the steel plates. In order to ensure that the two support legs 4 at each end can independently control whether to participate in the support, in this specific embodiment, the transmission mechanism includes a driving pulley 13 and a driven pulley. The driving pulley 13 and the driven pulley are connected by a synchronous belt 10. The driven pulley is arranged on the support leg 4. The driven pulley can drive the support leg 4 to rotate. The support drive assembly includes a driving motor 5. The driving motor 5 is installed at the end of the stand 1 through a transmission seat 16. Two one-way bearings 15 are connected to the output shaft of the driving motor 5. Specifically, the driving motor 5 is connected to the input shaft 14 through a coupling. Two one-way bearings 15 are sleeved on the input shaft 14. The coupling 12 and the one-way bearing 15 are both arranged in the transmission seat 16. The rotation directions of the two one-way bearings 15 are opposite. The one-way bearings 15 can only rotate in one direction. The two one-way bearings 15 Corresponding active pulleys 13 are respectively sleeved on the outer circumference. When the driving motor 5 rotates forward, one of the one-way bearings 15 rotates without transmitting power, and the other one-way bearing 15 does not rotate and drives the corresponding active pulley 13 to rotate under the drive of the driving motor 5 to transmit power to the corresponding supporting leg 4 to open it. When another supporting leg 4 needs to be opened, the driving motor 5 can be flipped over; by using the one-way bearing 15, the driving motor 5 can independently control whether to support each supporting leg 4, and can be selected according to the extension distance of the stand 1, which has high flexibility. At the same time, the one-way bearing 15 can also realize that one motor drives two supporting legs 4, which simplifies the overall structure and reduces the manufacturing cost of the stand; protective plates 6 are respectively arranged at both ends of the stand, and the protective plates 6 are located on the upper part of the transmission mechanism and the support drive assembly. The support drive assembly and the transmission mechanism are protected by the protective plates 6 to avoid damage by splashing materials.

[0027] In this specific embodiment, the leg limit assembly 8 can adopt the following specific structure: the leg limit assembly 8 includes a limit pin and a limit cylinder connected to each other, the limit cylinder is arranged downward on the upper part of the stand 1, a limit plate is arranged on the support leg 4, a limit hole is arranged on the limit plate, and the limit pin can be extended into the limit hole. In this specific embodiment, four leg limit assemblies 8 are arranged, corresponding to the four support legs 4.

[0028] In this specific embodiment, a mounting groove is provided at the lower part of the support leg 4, and an adjusting wheel 9 is provided in the mounting groove. The wheel axle of the adjusting wheel 9 passes through the adjusting hole on the corresponding mounting groove wall, and an adjusting bolt is rotatably provided at the lower part of the support leg 4 through a bearing. The adjusting bolt is vertically arranged, and the adjusting bolt is threadedly connected to the adjusting sleeve on the wheel axle. The adjusting hole is a straight slot hole, and the adjusting hole is vertically arranged. When adjusting, the adjusting bolt is rotated to adjust the length inserted into the adjusting sleeve and then adjust the height of the adjusting wheel 9 on the support leg 4; by adopting the mounting groove and adjusting bolt with a straight slot hole structure, the height of the adjusting wheel 9 can be adjusted to adapt to uneven ground and ensure the horizontal use state of the workbench.

[0029] like Figure 1 and Figure 2 As shown, in this specific embodiment, in order to prevent the workbench from slipping, limit seats 7 are further provided at both ends of the rear portion of the stand 1 along the moving direction of the stand 1 during material discharge.

[0030] like Figure 2 As shown, in order to reduce the movement resistance, a plurality of rollers 11 are respectively provided at both ends of the lower part of the platform. Specific implementation method 2

[0032] like Figure 3 As shown, this specific embodiment also provides a small-format laser cutting machine, including a cutting machine body 17, the cutting machine body 17 is provided with a loading port, the loading port is provided with a lifting door 18, the cutting machine body 17 includes a base, and also includes a loading workbench of the specific embodiment one, guide rails 19 are symmetrically arranged at both ends of the base, the roller 11 can move along the guide rails 19, the stand 1 is connected to the mobile drive assembly, the mobile drive assembly is arranged on the base, and limit plates are arranged at both ends of the loading port, and the limit plates can abut against the limit seat 7.

[0033] In order to enable the loading workbench to be fully extended out of the cutting machine body 17, in this specific embodiment, the mobile drive assembly includes a motor reducer and a transmission shaft, the motor reducer is arranged on the base, the motor reducer is connected to the transmission shaft, both ends of the transmission shaft are rotatably arranged on the base through bearing seats, the length direction of the transmission shaft is perpendicular to the moving direction of the stand 1, and driving sprockets are respectively arranged at both ends of the transmission shaft, the driving sprocket is connected to the driven sprocket through a transmission chain, the driven sprocket is arranged at the loading port, and the transmission chain is connected to the end of the stand 1 through a connecting plate. Through the cooperation of the transmission shaft and the chain drive, the loading workbench can be moved to the outside of the cutting machine body 17, the operating space is large, and it is convenient to load and pick up steel plates of various sizes.

[0034] In order to accurately know the position of the loading workbench, a position sensor 20 is provided on the laser cutting machine body 17 to determine whether the workbench has moved into place.

[0035] The working process of the loading table of this small-format laser cutting machine is:

[0036] When the loading workbench needs to be extended, the motor reducer drives the transmission shaft to rotate, and then drives the platform 1 to move toward the upper material port through the transmission chain until the position sensor 20 sends an extension position signal, and the motor reducer stops rotating; after the loading workbench moves into place, the driving motor 5 rotates, driving the front support leg 4 to rotate until it is opened, and the front limit pin is extended into the limit plate on the support leg 4 under the action of the limit cylinder to achieve limit. When necessary, the driving motor 5 rotates in the opposite direction, driving the rear support leg 4 to rotate and open, and the rear limit pin is extended into the limit plate on the support leg 4 under the action of the limit cylinder to achieve limit. When the loading workbench needs to be retracted, the driving motor 5 is rotated to first retract the support legs 4 at the front and rear ends, and then the motor reducer rotates in the opposite direction to drive the loading workbench to retract until the position sensor 20 sends a recovery position signal.

[0037] From the above specific implementations, it can be seen that the utility model has the following beneficial effects:

[0038] 1. By rotatably arranging the support legs 4 at the bottom of the platform 1, the platform 1 can be supported after it is moved out, so as to avoid the platform 1 becoming a cantilever beam support form after being extended. It has a high load-bearing capacity and meets the requirements for loading thicker steel plates. At the same time, the rotatable support legs 4 do not affect the movement of the platform 1;

[0039] 2. Two supporting legs 4 are provided at each end to further enhance the supporting effect of the stand 1 and improve its load-bearing capacity;

[0040] 3. By using the one-way bearing 15, the driving motor 5 can independently control whether each supporting leg 4 supports or not, and can be selected according to the extension distance of the stand 1, which is highly flexible. At the same time, the one-way bearing 15 can also realize that one motor drives two supporting legs 4, simplifying the overall structure and reducing the manufacturing cost of the stand;

[0041] 4. Through the cooperation of the limit cylinder and the limit pin, flexible control of whether the limit pin is limited can be achieved;

[0042] 5. The height of the adjusting wheel 9 can be adjusted by using the installation slot with a straight slot hole structure to adapt to uneven ground and ensure that the workbench is used in a horizontal state;

[0043] 6. Prevent the workbench from slipping by setting a limit seat 7;

[0044] 7. Through the cooperation of the transmission shaft and the chain drive, the loading workbench can be moved to the outside of the cutting machine body 17, which has a large operating space and is convenient for loading and picking steel plates of various sizes.

[0045] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A loading workbench, comprising a frame (1), on which a blade (2) is arranged, characterized in that: It also includes support legs (4), which are rotatably arranged at the lower parts of the two ends of the platform (1), and the support legs (4) are connected to the support drive assembly through a transmission mechanism, and the support drive assembly is arranged on the platform (1).

2. The loading workbench according to claim 1, characterized in that: A limit position component (8) is arranged on the stand (1).

3. The loading workbench according to claim 1, characterized in that: The transmission mechanism comprises a driving pulley (13) and a driven pulley, the driving pulley (13) and the driven pulley are connected via a synchronous belt (10), the driven pulley is arranged on the support leg (4), and the driven pulley can drive the support leg (4) to rotate, the support drive assembly comprises a driving motor (5), the output shaft of the driving motor (5) is connected to two one-way bearings (15), the two one-way bearings (15) rotate in opposite directions, and the outer circumferences of the two one-way bearings (15) are respectively sleeved with corresponding driving pulleys (13).

4. The loading workbench according to claim 1, characterized in that: The support leg limit assembly (8) comprises a limit pin and a limit cylinder connected to each other, the limit cylinder being arranged downward on the upper part of the platform (1), the support leg (4) being provided with a limit plate, the limit plate being provided with a limit hole, and the limit pin being able to extend into the limit hole.

5. The loading workbench according to any one of claims 1 to 4, characterized in that: The lower part of the support leg (4) is provided with a mounting groove, an adjusting wheel (9) is provided in the mounting groove, an adjusting hole is provided on the groove wall of the mounting groove, the adjusting hole is a straight groove hole, and the adjusting hole is vertically arranged. The lower part of the support leg (4) is rotatably vertically arranged with an adjusting bolt, and the adjusting bolt is threadedly connected to the adjusting sleeve on the adjusting wheel (9).

6. The loading workbench according to claim 5, characterized in that: Limiting seats (7) are also provided at both ends of the rear part of the stand (1) along the moving direction of the stand (1) during material discharge.

7. The loading workbench according to claim 6, characterized in that: A plurality of rollers (11) are respectively arranged at both ends of the lower part of the stand (1).

8. The loading workbench according to claim 7, characterized in that: Protective plates (6) are respectively provided at both ends of the platform (1), and the protective plates (6) are located above the transmission mechanism and the supporting drive assembly.

9. A small-format laser cutting machine, comprising a cutting machine body (17), the cutting machine body (17) being provided with a loading port, the cutting machine body (17) comprising a base, characterized in that: It also includes the loading workbench as described in claim 8, wherein guide rails (19) are symmetrically arranged at both ends of the base, the roller (11) can move along the guide rails (19), the stand (1) is connected to the mobile drive component, the mobile drive component is arranged on the base, and limit plates are arranged at both ends of the loading port, and the limit plates can abut against the limit seat (7).

10. The small-format laser cutting machine according to claim 9, characterized in that: The mobile drive assembly comprises a motor reducer and a transmission shaft, wherein the motor reducer is arranged on a base, the motor reducer is connected to the transmission shaft, both ends of the transmission shaft are rotatably arranged on the base, the length direction of the transmission shaft is perpendicular to the moving direction of the platform (1), and driving sprockets are respectively arranged at both ends of the transmission shaft, the driving sprocket is connected to a driven sprocket via a transmission chain, the driven sprocket is provided with a feeding port, and the transmission chain is connected to the end of the platform (1) via a connecting plate.

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