Laser processing table assembly and laser processing machine
By installing a dust collection hopper and drawer structure under the worktable of the laser processing machine, the problem of smoke and dust accumulation is solved, achieving a clean and environmentally friendly laser processing environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN LEIYU LASER EQUIP CO LTD
- Filing Date
- 2025-05-30
- Publication Date
- 2026-07-14
AI Technical Summary
The smoke and solid particles generated during processing by small and medium-sized laser processing machines tend to float and accumulate under the worktable, leading to pollution and cleaning difficulties.
A dust collection hopper and drawer structure are set under the workbench. The internal space of the dust collection hopper gradually decreases. It is equipped with an exhaust vent and a filter plate. Smoke and dust enter the dust collection hopper through the exhaust vent and are collected in the drawer. The drawer can be slidably connected for easy cleaning.
It effectively collects and removes smoke and dust, keeps the processing space clean, reduces air pollution, and simplifies the cleaning process.
Smart Images
Figure CN224487976U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of laser processing equipment technology, and in particular to a laser processing worktable assembly and a laser processing machine. Background Technology
[0002] Currently, small and medium-sized laser processing machines generate solid particles such as smoke when processing objects. To avoid contaminating the processing space, the processing space is usually evacuated to collect and expel the smoke. However, most of the smoke is expelled with the airflow, but a small amount of smoke floats and adheres to the bottom of the worktable or processing space due to its own gravity. After long-term use, this will cause dust accumulation under the processing space, causing damage and making it difficult to clean. Summary of the Invention
[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a laser processing worktable assembly that facilitates dust removal and helps maintain cleanliness.
[0004] Another objective of this invention is to provide a laser processing machine having the aforementioned laser processing worktable assembly.
[0005] A laser processing worktable assembly includes: a worktable with multiple perforations, a dust collection hopper located below the worktable, the cross-sectional area of the dust collection hopper gradually decreasing from top to bottom, the upper end of the dust collection hopper abutting against the worktable, an exhaust vent located on the side of the dust collection hopper, and a convex shell connected to the lower end of the dust collection hopper for sealing the dust collection hopper. One side of the convex shell has an opening and is slidably connected to a drawer, the rear end plate of the drawer covering the opening.
[0006] Furthermore, a filter plate is provided on the inner side of the exhaust port, the filter plate has multiple filter holes, and the filter plate is detachably connected to the side plate of the dust collection hopper.
[0007] Furthermore, the upper end of the integrated hopper is connected to a rectangular frame, the rectangular frame includes four square steel bars connected end to end, the workbench overlaps with the rectangular frame around its perimeter, and the dust collection hopper includes four inclined side plates, the upper end of which is provided with a bent portion, which is connected to the square steel bars.
[0008] Furthermore, the convex shell includes four vertical plates that are connected one-to-one with the four side plates. Adjacent vertical plates are connected, and one of the vertical plates is a short vertical plate whose vertical length is less than that of the other three vertical plates. The lower ends of the other three vertical plates are connected to a base plate, and the opening is formed between the base plate and the short vertical plate.
[0009] Furthermore, the drawer's bottom plate has at least M spaced front notches, an upper housing is connected above the front notches, an upper accommodating space is formed inside the upper housing, an upper roller is rotatably connected to the upper housing, the upper roller is located in the upper accommodating space and its lower end extends out of the drawer's bottom plate and abuts against the base plate; the base plate has at least N rear notches, a lower housing is connected below the rear notches, a lower accommodating space is formed inside the lower housing, a lower roller is rotatably connected to the lower housing, the lower roller is located in the lower accommodating space and its upper end extends out of the base plate and abuts against the bottom plate; M and N are both natural numbers, and M+N>2; the lower roller and the upper roller are staggered.
[0010] Furthermore, the rectangular frame has multiple parallel side beams inside, with the two ends of the side beams connected to the two sides of the rectangular frame respectively.
[0011] Preferably, the inner sides of the rectangular frame are respectively connected to support plates, and the support plates are provided with recessed holes that mate with the ends of the side beams, and the ends of the side beams are inserted into the recessed holes.
[0012] Furthermore, the support piece has multiple vertical connecting slots and is connected to the rectangular frame via connectors.
[0013] Furthermore, the rectangular frame is provided with positioning holes, and the lower side of the workbench is connected with a number of positioning posts that cooperate with the positioning holes. The upper end of the positioning posts is provided with a connecting plate and a connecting block, and the connecting block is fixedly connected to the workbench.
[0014] Furthermore, the workbench includes a honeycomb panel located in the middle, and the upper end of the side beam is provided with multiple protrusions that abut against the honeycomb panel.
[0015] Furthermore, the bottom surface of the substrate is connected with reinforcing ribs.
[0016] A laser processing machine includes a body, and the laser processing worktable assembly described above is disposed within the body.
[0017] The beneficial effects of this utility model are as follows: By setting a dust collection hopper, a convex shell, and a drawer under the workbench, dust is collected in the drawer, making it easy to clean. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of one structure of the laser processing machine in this embodiment.
[0019] Figure 2 This is a schematic diagram of one structure of the laser processing worktable assembly in this embodiment.
[0020] Figure 3 for Figure 2 A schematic diagram of a structure excluding the workbench.
[0021] Figure 4 for Figure 3 Enlarged diagram of point A in the middle.
[0022] Figure 5 for Figure 4 A structural diagram excluding the side beams.
[0023] Figure 6 for Figure 5 A structural diagram excluding the drawers.
[0024] Figure 7 for Figure 6 Enlarged diagram of point B in the middle.
[0025] Figure 8 This is a schematic diagram of one type of drawer structure.
[0026] Figure 9 for Figure 8 Another perspective illustration.
[0027] Figure label:
[0028] 1 – Workbench assembly; 2 – Rectangular frame; 3 – Dust hopper; 4 – Reinforcing rib; 5 – Protruding shell; 6 – Workbench; 7 – Side beam; 8 – Support plate; 9 – Drawer; 10 – Filter plate; 21 – Square steel; 51 – Short vertical plate; 52 – Opening; 53 – Lower housing; 54 – Base plate; 55 – Lower roller; 71 – Protrusion; 81 – Connecting groove; 91 – Rear end plate; 92 – Upper housing; 93 – Upper roller. Detailed Implementation
[0029] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.
[0030] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.
[0031] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0033] The present invention will now be described in detail with reference to the accompanying drawings. Figures 1 to 6 As shown.
[0034] Example 1: See Figure 1 , Figure 2 as well as Figure 5 , Figure 6 , Figure 8 A laser processing worktable assembly 1 includes: a worktable 6, the worktable 6 having multiple perforations (not shown in the figure, the perforations are relatively small and dense), a dust collection hopper 3 located below the worktable 6, the cross-sectional area of the internal space of the dust collection hopper 3 gradually decreasing from top to bottom, the upper end of the dust collection hopper 3 abutting against the worktable 6, the side of the dust collection hopper 3 having an exhaust port, the lower end of the dust collection hopper 3 being connected to a convex shell 5 for sealing the dust collection hopper 3, one side of the convex shell 5 having an opening 52 and being slidably connected to a drawer 9, the rear end plate 91 of the drawer 9 being able to cover the opening 52.
[0035] Compared to existing technologies, this technical solution incorporates a dust collection hopper 3 beneath the workbench 6. During operation, the exhaust vent is connected to the extraction mechanism via pipes, creating negative pressure inside the dust collection hopper 3. Most of the smoke generated during laser processing is carried by the airflow or by gravity into the lower part of the dust collection hopper 3, and then discharged through the pipes. The airflow eventually either enters a purifier or undergoes other treatment. The smoke primarily accumulates around the exhaust vent and on the bottom surface of drawer 9 within the dust collection hopper 3, with some scattered on other sides. After a period of use, the dust inside the dust collection hopper can be cleaned with a brush or similar tool, allowing it to fall into drawer 9. Drawer 9 can then be pulled out, and the dust removed. Finally, drawer 9 can be reinstalled.
[0036] Compared to existing technologies, this embodiment guides dust into the dust collection hopper 3. A protruding shell 5 is provided at the lower end of the dust collection hopper 3, and a drawer 9 is slidably connected thereto. The rear end plate of the drawer 9 can cover the opening 52 of the protruding shell 5, preventing air leakage during ventilation. This prevents dust from falling into various places below the processing space, facilitating collection and cleaning. The workbench 6 can be made of honeycomb panel.
[0037] See Figure 5 , Figure 6 The inner side of the exhaust port is provided with a filter plate 10, which has multiple filter holes. The filter plate 10 is detachably connected to the side plate of the dust collection hopper 3.
[0038] Currently, many small and medium-sized laser engraving machines are not equipped with corresponding air purifiers due to cost and working frequency considerations, and the gas is directly discharged outdoors; this will pollute the air. In order to reduce air pollution, this embodiment is equipped with a filter plate 10 at the exhaust port to perform a coarse filtration of the smoke.
[0039] Meanwhile, the dust collection volume of filter plate 10 will be relatively large during use, requiring frequent cleaning. To facilitate cleaning, it is designed as a detachable connection, allowing for individual cleaning. It can also be replaced. If necessary, a particle adsorption unit, such as activated carbon, can be added to filter plate 10.
[0040] Secondly, to facilitate ventilation, a ventilation mechanism can be installed outside the filter plate 10, with the air inlet of the ventilation mechanism facing the filter holes. Alternatively, an additional housing can be installed, covering the filter holes, and the ventilation mechanism can directly exhaust air from the housing.
[0041] See Figure 3 , Figure 4 The upper end of the integrated hopper is connected to a rectangular frame 2, which includes four square steel bars 21 connected end to end. The workbench 6 overlaps with the rectangular frame 2 around its perimeter. The dust collection hopper 3 includes four inclined side plates, with a bent portion at the upper end of each side plate, which is connected to the square steel bars 21 (not shown in the figure).
[0042] The upper end of the dust collection hopper 3 is connected to the workbench 6 via a rectangular frame 2. The rectangular frame 2 serves a load-bearing function, supporting both the weight of the workbench 6 and the dust collection hopper 3. In application, the rectangular frame 2 is connected to a lifting mechanism to adjust the height of the workbench 6. The rectangular frame 2 is made of square steel 21, ensuring a stable structure. The dust collection hopper 3 consists of four inclined side plates, and both the side plates and the bending sections can be formed by bending a single sheet of material. The bending sections are connected to the square steel 21 using welding, bolting, or other methods for secure connection. The dust collection hopper 3 is roughly conical in shape, which facilitates the collection of falling dust.
[0043] See Figure 2 , Figure 6 The convex shell 5 includes 4 vertical plates that are connected to the 4 side plates one by one. Adjacent vertical plates are connected. One of the vertical plates is a short vertical plate 51, whose vertical length is less than that of the other 3 vertical plates. The lower ends of the other 3 vertical plates are connected to a base plate 54, and the opening 52 is formed between the base plate 54 and the short vertical plate 51.
[0044] The convex shell 5 includes four vertical plates connected end to end and a base plate 54. One of the vertical plates is a short vertical plate 51. This structure facilitates dust to fall into the drawer 9. The drawer 9 enters the bottom of the dust collection hopper 3 through the opening 52. The vertical plate at the end can increase the contact area with the rear end plate 91 of the drawer 9, so as to help the rear end plate 91 better seal the opening 52, and at the same time, it can play a limiting role.
[0045] See Figure 8 , Figure 9 The drawer 9 has at least M spaced-apart front notches on the front side of its bottom plate. An upper housing 92 is connected above the front notches, forming an upper accommodating space. An upper roller 93 is rotatably connected to the upper housing 92. The upper roller 93 is located in the upper accommodating space, and its lower end extends out of the bottom plate of the drawer 9 and abuts against the base plate 54. (See also...) Figure 6 , Figure 7 The substrate 54 has at least N rear notches on its rear side. A lower housing 53 is connected below the rear notches. A lower accommodating space is formed inside the lower housing 53. A lower roller 55 is rotatably connected to the lower housing 53. The lower roller 55 is located in the lower accommodating space and its upper end extends out of the substrate 54 and abuts against the bottom plate. M and N are both natural numbers, and M+N>2. The lower roller 55 and the upper roller 93 are offset.
[0046] In application, drawer 9 is inserted into the protruding shell 5. If the bottom plate of drawer 9 is in contact with the base plate 54 of protruding shell 5 for a long time, drawer 9 will be connected to the protrusion, making it difficult to pull out drawer 9. This embodiment is designed with upper roller 93 and lower roller 55. When drawer 9 is inserted into protruding shell 5, upper roller 93 rolls on base plate 54, while lower roller 55 abuts against the bottom plate and rolls, making it easy to insert and pull out drawer 9. To facilitate the design of upper roller 93 and lower roller 55, an upper shell 92 is provided on the bottom plate and a lower shell 53 is provided on base plate 54 in this embodiment. Secondly, in this embodiment, upper roller 93 and lower roller 55 are respectively set on the bottom plate and base plate 54, which can keep drawer 9 stable most of the time when it is pulled out, supported by upper roller 93 and lower roller 55; at the same time, the upper roller 93 and lower roller 55 are staggered, and lower roller 55 will not interfere with the pulling out of drawer 9.
[0047] See Figure 3 , Figure 4The rectangular frame 2 has multiple parallel side beams 7 inside, and the two ends of the side beams 7 are respectively connected to the two sides of the rectangular frame 2.
[0048] When the workbench 6 is relatively large, in order to prevent the middle part of the workbench 6 from sinking due to its own weight, multiple side beams 7 are provided inside the rectangular frame 2 in this embodiment. The side beams 7 assist in supporting the middle part of the workbench 6.
[0049] Preferably, the inner sides of the two sides of the rectangular frame 2 are respectively connected to support plates 8, and the support plates 8 are provided with concave holes that cooperate with the ends of the side beams 7, and the ends of the side beams 7 are inserted into the concave holes.
[0050] To facilitate the installation or replacement of the side beam 7, in this embodiment, support plates 8 of a certain thickness are connected to both sides of the rectangular frame 2. The support plates 8 can be fixedly connected to the rectangular frame 2 by bolts or the like. Corresponding recesses are provided on the support plates 8 on both sides, and the two ends of the side beam 7 are inserted into the recesses. This allows for quick installation and replacement of the side beam 7.
[0051] See Figure 4 The support piece 8 has multiple vertical connecting grooves 81 and is connected to the rectangular frame 2 through connectors.
[0052] A connecting groove 81 is provided on the support plate 8. When the support plate 8 is connected to the rectangular frame 2, the connection height of the support plate 8 can be adjusted, thereby adjusting the height of the side beam 7 and the position of the worktable 6. The connecting parts can be bolts, etc.
[0053] Furthermore, the rectangular frame 2 is provided with positioning holes, and the lower side of the workbench 6 is connected with a number of positioning posts that cooperate with the positioning holes. The upper end of the positioning posts is provided with a connecting plate and a connecting block, and the connecting block is fixedly connected to the workbench 6.
[0054] The positioning pins and positioning holes work together to limit the position of the worktable 6 and prevent it from shaking. In practice, the positioning pins are connected to the worktable 6 via a connecting plate. When the worktable 6 is placed on the rectangular frame 2, the positioning pins are inserted into the positioning holes. If necessary, the positioning pins and positioning holes are rigidly connected.
[0055] See Figure 3 , Figure 4 The workbench 6 includes a honeycomb panel located in the middle, and the upper end of the side beam 7 is provided with a plurality of protrusions 71, which abut against the honeycomb panel.
[0056] A honeycomb panel is installed in the middle of the workbench 6, which gives the workbench 6 good air permeability and allows smoke to flow downward through the honeycomb panel; at the same time, protrusions 71 are installed on the side beams 7 to further increase the airflow and allow the smoke to enter the dust collection hopper 3 smoothly.
[0057] See Figure 2 The bottom surface of the substrate 54 is connected to a reinforcing rib 4. The reinforcing rib 4 can improve the load-bearing capacity of the substrate 54.
[0058] Example 2, see Figure 1 A laser processing machine includes a body, and the laser processing worktable assembly 1 described above is disposed inside the body.
[0059] The above description is only a preferred embodiment of this utility model. For those skilled in the art, there will be changes in the specific implementation method and application scope based on the idea of this utility model. The content of this specification should not be construed as a limitation of this utility model.
Claims
1. A laser processing stage assembly, comprising: A workbench with multiple perforations is characterized in that: a dust collection hopper is provided below the workbench, the cross-sectional area of the dust collection hopper gradually decreases from top to bottom, the upper end of the dust collection hopper abuts against the workbench, an exhaust port is provided on the side of the dust collection hopper, and a convex shell for sealing the dust collection hopper is connected to the lower end of the dust collection hopper. An opening is provided on one side of the convex shell and a drawer is slidably connected thereto, and the rear end plate of the drawer can cover the opening.
2. The laser processing worktable assembly according to claim 1, characterized in that: The inner side of the exhaust port is equipped with a filter plate with multiple filter holes, and the filter plate is detachably connected to the side plate of the dust collection hopper.
3. The laser processing stage assembly according to claim 1, characterized in that: The upper end of the dust collection hopper is connected to a rectangular frame, which includes four square steel bars connected end to end. The workbench overlaps with the rectangular frame around its perimeter. The dust collection hopper includes four inclined side plates, with a bent portion at the upper end of each side plate, which is connected to the square steel bars.
4. The laser processing stage assembly according to claim 3, characterized in that: The convex shell includes four vertical plates that are connected one-to-one with the four side plates. Adjacent vertical plates are connected. One of the vertical plates is a short vertical plate, whose vertical length is less than that of the other three vertical plates. The lower ends of the other three vertical plates are connected to a base plate, and the opening is formed between the base plate and the short vertical plate.
5. The laser processing stage assembly according to claim 4, characterized in that: The drawer has at least M spaced front notches on the front side of its bottom plate. An upper housing is connected above the front notches, forming an upper accommodating space. An upper roller is rotatably connected to the upper housing, with its lower end extending out of the drawer's bottom plate and abutting against the base plate. The base plate has at least N rear notches on its rear side, with a lower housing connected below the rear notches, forming a lower accommodating space. A lower roller is rotatably connected to the lower housing, with its upper end extending out of the base plate and abutting against the bottom plate. M and N are both natural numbers, and M+N>2. The lower roller and the upper roller are staggered.
6. The laser processing stage assembly according to claim 3, characterized in that: The rectangular frame has multiple parallel side beams inside, with the two ends of each side beam connected to the two sides of the rectangular frame.
7. The laser processing stage assembly according to claim 3, characterized in that: The inner sides of the rectangular frame are respectively connected to support plates, and the support plates are provided with concave holes that match the ends of the side beams. The ends of the side beams are inserted into the concave holes.
8. The laser processing stage assembly according to claim 3, characterized in that: The rectangular frame is provided with positioning holes, and the lower side of the workbench is connected to a number of positioning posts that cooperate with the positioning holes. The upper end of the positioning posts is provided with a connecting plate and a connecting block, and the connecting block is fixedly connected to the workbench.
9. The laser processing stage assembly according to claim 6, characterized in that: The workbench includes a honeycomb panel located in the middle, and the upper end of the side beam is provided with multiple protrusions that abut against the honeycomb panel.
10. A laser processing machine, comprising a body, characterized in that: The machine body is equipped with a laser processing worktable assembly as described in any one of claims 1 to 9.