Translation type workbench of laser cutting machine
By using two-stage guide rail components and chain traction mechanism in the laser cutting machine, the auxiliary bed design is abolished to achieve reliable translation of the workbench, which solves the problems of material consumption and transportation inconvenience, reduces costs and improves processing accuracy and stability.
Patent Information
- Application Number
- CN202421555759.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The workbench of existing laser cutting machines requires a secondary bed design during the translation process, resulting in increased material consumption, increased manufacturing costs and inconvenient transportation.
The two-stage guide rail assembly and chain traction mechanism are adopted to cancel the secondary bed design, and the workbench is moved and guided and supported through the guide rail assembly, and combined with the cooperation of the C-shaped bayonet and the transmission wheel, the workbench is realized to achieve reliable translation.
It reduces material use and manufacturing processes, reduces the overall cost of laser cutting machines, improves transportation efficiency and processing accuracy, and ensures the stability and safety of the equipment.
Smart Images
Figure CN223160262U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laser cutting, and particularly relates to a translational workbench of a laser cutting machine. Background Art
[0002] During the processing of a laser cutting machine, the directly exposed laser may cause harm to the human eye, the high-speed moving cutting head and other mechanical components may also pose risks to personnel, and a large amount of dust and smoke generated during laser cutting of metals will diffuse outward to the surroundings. Therefore, a laser cutting machine is provided with a housing. When loading and unloading, the workbench in the laser cutting machine translates out of the housing; during processing, the workbench in the laser cutting machine translates back into the housing.
[0003] In order to enable the workbench to move out of the housing, it is necessary to provide a secondary bed body located outside the housing and capable of connecting with the main bed body to support the workbench when it moves out of the housing. However, the design of the secondary bed body not only consumes materials, increases the manufacturing cost, but also increases the length of the entire laser cutting machine, making it inconvenient for foreign trade shipments.
[0004] Therefore, it is necessary to develop a laser cutting machine that can meet the translational requirements of the workbench without setting up a secondary bed body. Content of the Utility Model
[0005] In view of the deficiencies of the above-mentioned prior art, the purpose of the utility model is to provide a translational workbench of a laser cutting machine to solve the above-mentioned existing technical problems.
[0006] To achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A translational workbench of a laser cutting machine includes a workbench arranged on a bed through two groups of two-stage guide rail assemblies, and a chain traction mechanism for pulling the workbench to move back and forth. The chain traction mechanism includes a driving motor, a driving sprocket arranged on the output end of the driving motor, a driven sprocket arranged on the side of the bed, and a chain wound around the driving sprocket and the driven sprocket. A transmission member is provided at the tail of the workbench, and a C-shaped bayonet facing the chain is provided on the transmission member. A transmission wheel matched with the C-shaped bayonet is provided on one of the chain links of the chain, and the wheel surface of the transmission wheel abuts against the inner wall surface of the C-shaped bayonet.
[0008] As a further improvement of the above technical solution, a guiding member for supporting the straight section of the chain is arranged on the side of the bed.
[0009] As a further improvement of the above technical solution, the guiding member is cuboid-shaped and a cross groove is opened on the end face facing the workbench, and both the guiding member and the cross groove extend along the moving direction of the workbench.
[0010] As a further improvement of the above technical solution, an oil filling cup is provided on the top of the guide member, and the output end of the oil filling cup is connected to the cross groove.
[0011] As a further improvement of the above technical solution, the workbench includes a frame and a plurality of racks spanning and spaced apart on the frame.
[0012] As a further improvement of the above technical solution, each group of the two-section guide rail assembly includes a first guide rail, a support beam and a second guide rail which are arranged in sequence from top to bottom and extend along the length direction of the workbench. The first guide rail is fixed to the top surface of the support beam by screws, and the middle and tail parts of the bottom surface of the frame are provided with a first slider which is slidably connected to the first guide rail; the middle and tail parts of the bottom surface of the support beam are provided with a second slider which is slidably connected to the second guide rail, and both ends of the first guide rail are provided with a first limit block, and both ends of the second guide rail are provided with a second limit block.
[0013] As a further improvement of the above technical solution, the first guide rail and the second guide rail are both cylindrical linear guide rails, and the support beam is a square tube.
[0014] As a further improvement of the above technical solution, the driven sprocket is arranged on a tensioning assembly, and the tensioning assembly tensions the chain by changing the position of the driven sprocket.
[0015] As a further improvement of the above technical solution, the tensioning assembly includes a fixed plate, an adjusting plate that can move forward and backward relative to the fixed plate, a support shaft arranged on the adjusting plate, a bearing sleeved on the support shaft, and an adjusting block fixed on the adjusting plate. The driven sprocket is rotatably connected to the bearing on the support shaft. A fixed block is provided on the side of the bed. A screw threadedly connected to the adjusting block passes through the fixed block. A nut is provided on the screw. The head of the screw and the nut cooperate to clamp the fixed block.
[0016] As a further improvement of the above technical solution, the cross-section of the adjusting plate is an isosceles trapezoid, the fixed plate is provided with a guide groove that cooperates with the adjusting plate, the end face where the long side of the adjusting plate is located is connected to the fixed plate, and the end face where the short side is located is provided with the support shaft.
[0017] Beneficial effects of the present invention: Compared with the prior art, the translational workbench provided by the present invention eliminates the design of the sub-bed, and uses a two-section guide rail assembly to guide and support the workbench. The workbench can be reliably moved out of the shell, which not only reduces the use of additional materials and manufacturing processes, but also effectively reduces the overall cost of the laser cutting machine; it is easier to package and transport, especially for export business, which can significantly reduce logistics costs and improve transportation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 A perspective view of a laser cutting machine set within a housing.
[0019] Figure 2 Isometric view of the workbench of the laser cutting machine in the processing state Figure 1 。
[0020] Figure 3 Is Figure 2 Partial enlarged view of area L in
[0021] Figure 4 Schematic structural view of the driving wheel on the chain cooperating with the transmission member
[0022] Figure 5 Schematic structural view of the two-section guide rail assembly when the workbench is in the processing state
[0023] Figure 6 Isometric view of the workbench of the laser cutting machine in the processing state Figure 2 。
[0024] Figure 7 Isometric view of the workbench of the laser cutting machine in the processing state
[0025] Figure 8 Isometric view of the guiding member
[0026] Description of main component symbols: 1 - workbench, 11 - frame, 12 - rack, 21 - driving motor, 22 - driving sprocket, 23 - driven sprocket, 24 - chain, 3 - transmission member, 31 - C-shaped bayonet, 4 - driving wheel, 5 - guiding member, 51 - cross slot, 6 - oil cup, 7 - two-section guide rail assembly, 71 - first guide rail, 72 - support beam, 73 - second guide rail, 74 - first slider, 75 - second slider, 76 - first limit block, 77 - second limit block, 81 - fixing plate, 82 - adjusting plate, 83 - support shaft, 84 - bearing, 85 - adjusting block, 86 - fixing block, 87 - screw, 88 - nut, 89 - guiding chute, 9 - housing. Detailed implementation manners
[0027] The present utility model provides a translational workbench 1 of a laser cutting machine. To make the purpose, technical solution and effects of the present utility model clearer and more definite, the following further elaborates the present utility model with reference to the accompanying drawings and by way of examples. It should be understood that the specific examples described herein are only used to explain the present utility model and are not used to limit the protection scope of the present utility model.
[0028] Please refer to Figure 1-Figure 4The utility model provides a translational worktable 1 of a laser cutting machine, comprising a worktable 1 arranged on a bed through two sets of two-section guide rail assemblies 7, and a chain traction mechanism for pulling the worktable 1 back and forth, the chain traction mechanism comprising a drive motor 21, a driving sprocket 22 arranged on the output end of the drive motor 21, a driven sprocket 23 arranged on the side of the bed, and a chain 24 wound around the driving sprocket 22 and the driven sprocket 23, a transmission member 3 is provided at the tail of the worktable 1, a C-shaped bayonet 31 facing the chain 24 is provided on the transmission member 3, a transmission wheel 4 matching the C-shaped bayonet 31 is provided on one of the chain links of the chain 24, and the wheel surface of the transmission wheel 4 abuts against the inner wall surface of the C-shaped bayonet 31.
[0029] When the laser cutting machine needs to load or unload materials, the driving motor 21 drives the active sprocket 22 to rotate, driving the chain 24 to move, and the transmission wheel 4 on the chain 24 moves linearly. The transmission wheel 4 contacts the inner wall surface of the C-shaped bayonet 31 and generates thrust, thereby pushing the workbench 1 to move forward along the second-section guide rail assembly 7 and extend out of the housing 9. Figure 7 shown.
[0030] On the contrary, when the laser cutting machine needs to process, the drive motor 21 drives the active sprocket 22 to rotate in the opposite direction, driving the chain 24 to move, and the transmission wheel 4 on the chain 24 moves in a straight line. The transmission wheel 4 contacts the inner wall surface of the C-shaped bayonet 31 and generates thrust, thereby pushing the workbench 1 to move backward along the two-section guide rail assembly 7 and retract into the outer shell 9.
[0031] Compared with the direct rigid connection between the chain 24 and the frame 11 of the workbench 1, the cooperation between the C-shaped bayonet 31 and the transmission wheel 4 can, on the one hand, effectively absorb and buffer the impact force during the movement of the workbench 1, reduce the direct collision between the chain 24 and the workbench 1, thereby reducing the wear rate and extending the service life of the equipment. On the other hand, it ensures the uniform transmission of the traction force of the chain 24, avoids the uneven torque that may be caused by the rigid connection, thereby improving the accuracy and stability of the movement of the workbench 1 and ensuring the processing quality.
[0032] Compared with the prior art, the translational workbench 1 provided by the present invention eliminates the design of the sub-bed, and uses the two-section guide rail assembly 7 to guide and support the workbench 1. The workbench 1 can be reliably moved out of the shell 9, which not only reduces the use of additional materials and manufacturing processes, but also effectively reduces the overall cost of the laser cutting machine; it is easier to package and transport, especially for export business, which can significantly reduce logistics costs and improve transportation efficiency.
[0033] Furthermore, a guide 5 is provided on the side of the bed for supporting the straight section of the chain 24. By providing the guide 5, the straight section of the chain 24 can be effectively supported, preventing the chain 24 from swinging or deviating from the predetermined path due to its own weight or external forces when it is unloaded or lightly loaded, thereby ensuring the straightness and stability of the chain 24.
[0034] Preferably, see Figure 6 and Figure 8 As shown, the guide member 5 is rectangular and has a cross slot 51 on its end facing the worktable 1. Both the guide member 5 and the cross slot 51 extend in the direction of movement of the worktable 1, supporting a portion of the straight chain 24. The chain 24's sleeve, rollers, an outer link plate, and pins are embedded in the cross slot 51 with their ends, effectively limiting lateral deviation of the chain 24, reducing transmission errors caused by chain 24 sway, and improving the accuracy and consistency of the cutting operation.
[0035] Preferably, see Figure 6 As shown, an oiling cup 6 is provided on the top of the guide member 5, and the output end of the oiling cup 6 is connected to the cross slot 51. The oiling cup 6 can automatically add lubricating oil to the chain 24. The lubricating oil can directly and evenly cover the contact area between the chain 24 and the cross slot 51, thereby improving the lubrication effect and reducing friction and wear between the chain 24 and the guide member 5.
[0036] In this embodiment, the workbench 1 includes a frame 11 and a plurality of racks 12 that span and are spaced apart on the frame 11. The distribution of the plurality of spanning racks 12 provides a more uniform support surface, which can effectively disperse the load, enhance the load-bearing capacity of the workbench 1 for the plate, and ensure stability during the processing process.
[0037] Preferably, see Figure 5 As shown, each group of the two-section guide rail assembly 7 includes a first guide rail 71, a support beam 72 and a second guide rail 73 which are arranged in sequence from top to bottom and extend along the length direction of the workbench 1. The first guide rail 71 is fixed to the top surface of the support beam 72 by screws, and the middle and tail parts of the bottom surface of the frame 11 are provided with a first slider 74 which is slidably connected to the first guide rail 71; the middle and tail parts of the bottom surface of the support beam 72 are provided with a second slider 75 which is slidably connected to the second guide rail 73, and both ends of the first guide rail 71 are provided with a first limit block 76, and both ends of the second guide rail 73 are provided with a second limit block 77.
[0038] When the workbench 1 is to be moved out, the workbench 1 moves forward under the push of the chain traction mechanism until the first slider 74 located in the middle of the frame 11 hits the first limit block 76, which means that the workbench 1 has moved forward half the length. The first limit block 76 prevents the first slider 74 from disengaging from the first guide rail 71, thereby converting this thrust into the forward moving force of the support beam 72, until the second slider 75 in the middle of the support beam 72 hits the second limit block 77, which means that the workbench 1 has completed moving forward.
[0039] It can be understood that the two-section guide rail assembly 7 utilizes the vertical space to form a double-layer linked telescopic guide rail, which cleverly solves the problem of guide rail space occupation and stable support. Through the dual support of the first guide rail 71 and the second guide rail 73, the stability and load-bearing capacity of the workbench 1 during movement are ensured, and the error caused by guide rail deformation or insufficient support is reduced. The setting of the first limit block 76 and the second limit block 77 effectively prevents the workbench 1 from exceeding the predetermined travel range, avoiding equipment damage and operational safety risks caused by excessive telescopic movement.
[0040] In this embodiment, the first guide rail 71 and the second guide rail 73 are both cylindrical linear guide rails. The cylindrical linear guide rails have excellent linear motion performance and load-bearing capacity. The support beam 72 is a square tube. Due to its high strength, rigidity and stability, it can effectively support the upper first guide rail 71 and the lower second guide rail 73, ensuring the stable operation of the entire guide rail system.
[0041] Preferably, the driven sprocket 23 is provided on a tensioning assembly, which tensions the chain 24 by changing the position of the driven sprocket 23. The introduction of the tensioning assembly enables the chain 24 to maintain an appropriate tension, ensuring that the chain 24 maintains an optimal working condition during long-term operation, and avoiding a decrease in driving efficiency and increased wear caused by loose or overtightened chain 24.
[0042] For details, see Figure 3 As shown, the tensioning assembly includes a fixed plate 81, an adjustment plate 82 that can move forward and backward relative to the fixed plate 81, a support shaft 83 provided on the adjustment plate 82, a bearing 84 sleeved on the support shaft 83, and an adjustment block 85 fixed to the adjustment plate 82. The driven sprocket 23 is rotatably connected to the bearing 84 on the support shaft 83. A fixed block 86 is provided on the side of the bed. A screw 87 threadedly connected to the adjustment block 85 is passed through the fixed block 86. The screw 87 is provided with a nut 88. The head of the screw 87 and the nut 88 cooperate to clamp the fixed block 86. When adjusting, the nut 88 is loosened and the position of the adjustment plate 82 is adjusted by turning the screw 87. The position of the driven sprocket 23 can be adjusted accordingly. The adjustment method is simple and quick, and does not require complicated tools. It can achieve fine-tuning of the tension of the chain 24 and ensure that the chain 24 operates in an optimal state.
[0043] Preferably, the cross-section of the position adjusting plate 82 is an isosceles trapezoid. A guiding sliding groove 89 matching with the position adjusting plate 82 is formed on the fixing plate 81. The end surface where the long side of the position adjusting plate 82 is located is connected to the fixing plate 81, and the supporting shaft 83 is arranged on the end surface where the short side is located. The design of the isosceles trapezoid position adjusting plate 82 matching with the guiding sliding groove 89 effectively prevents the position adjusting plate 82 from detaching from the fixing plate 81 and lateral shaking during movement, improves the stability and accuracy of the movement of the position adjusting plate 82, and further ensures the accurate adjustment of the tension of the chain 24.
[0044] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.
[0045] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a connection that can communicate with each other; it can be a direct connection, or an indirect connection through an intermediate medium, and can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0046] It can be understood that for those of ordinary skill in the art, equivalent replacements or changes can be made according to the technical solutions and the inventive concept of the present invention, and all such changes or replacements should fall within the protection scope of the present invention.
Claims
1. A translation type workbench of a laser cutting machine, comprising a workbench arranged on a bed through two groups of two-stage guide rail assemblies, and a chain traction mechanism for pulling the workbench to move back and forth, characterized in that, The chain traction mechanism includes a driving motor, a driving sprocket arranged at the output end of the driving motor, a driven sprocket arranged on the side of the bed body, and a chain wound around the driving sprocket and the driven sprocket. A transmission member is provided at the tail of the workbench, and a C-shaped bayonet facing the chain is provided on the transmission member. A transmission wheel matching the C-shaped bayonet is provided on one of the links of the chain, and the wheel surface of the transmission wheel abuts against the inner wall surface of the C-shaped bayonet.
2. The translational workbench of the laser cutting machine according to claim 1, characterized in that, A guiding member for supporting the straight section of the chain is arranged on the side of the bed body.
3. The translational workbench of the laser cutting machine according to claim 2, wherein The guiding member is in the shape of a cuboid, and a cross-shaped groove is opened on the end face facing the workbench. Both the guiding member and the cross-shaped groove extend along the moving direction of the workbench.
4. The translational workbench of the laser cutting machine according to claim 3, wherein, An oil cup is arranged on the top of the guiding member, and the output end of the oil cup is communicated with the cross-shaped groove.
5. The translational workbench of the laser cutting machine according to claim 1, wherein, The workbench includes a frame and a plurality of racks arranged across and spaced on the frame.
6. The translational workbench of the laser cutting machine according to claim 5, wherein, Each of the two-section guide rail assemblies includes a first guide rail, a support beam, and a second guide rail which are arranged in sequence from top to bottom and extend along the length direction of the workbench. The first guide rail is fixed to the top surface of the support beam by screws. First sliders slidably connected to the first guide rail are arranged at the middle and tail of the bottom surface of the frame; Second sliders slidably connected to the second guide rail are arranged at the middle and tail of the bottom surface of the support beam. First limit blocks are arranged at both ends of the first guide rail, and second limit blocks are arranged at both ends of the second guide rail.
7. The translational workbench of the laser cutting machine according to claim 6, characterized in that, Both the first guide rail and the second guide rail are cylindrical linear guide rails, and the support beam is a square tube.
8. The translational workbench of the laser cutting machine according to claim 1, wherein The driven sprocket is arranged on a tensioning assembly, and the tensioning assembly tensions the chain by changing the position of the driven sprocket.
9. The translatory workbench of the laser cutting machine according to claim 8, characterized in that, The tensioning assembly includes a fixing plate, an adjusting plate that can move back and forth relative to the fixing plate, a support shaft arranged on the adjusting plate, a bearing sleeved on the support shaft, and an adjusting block fixed on the adjusting plate. The driven sprocket is rotatably connected to the bearing on the support shaft. A fixing block is arranged on the side of the bed body, and a screw threadedly connected to the adjusting block penetrates through the fixing block. A nut is arranged on the screw, and the head of the screw and the nut cooperate to clamp the fixing block together.
10. The translational workbench of the laser cutting machine according to claim 9, characterized in that, The cross section of the adjusting plate is an isosceles trapezoid. A guiding chute matching the adjusting plate is opened on the fixing plate. The end face where the long side of the adjusting plate is located is connected to the fixing plate, and the support shaft is arranged on the end face where the short side is located.