Movable mold welding smoke extraction device
By designing a movable mold welding fume extraction device and utilizing a shielding curtain and worm gear structure, the problems of small fume extraction range and inconvenient height adjustment are solved, large-scale fume extraction and spatter blocking are achieved, and the convenience of welding operations is improved.
Patent Information
- Application Number
- CN202422221486.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-11
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-09-11
AI Technical Summary
Existing mobile welding fume extraction equipment has a small extraction range, cannot effectively block welding spatter, and is not convenient for adjusting the height of the device according to the height of the welding platform.
A movable mold welding fume extraction device was designed, which includes a shielding curtain, an exhaust pipe, a reel, an impeller, a gear, a gear ring, a rotating sleeve and a fixed tube. The shielding curtain is pushed to cover the welding platform by a universal wheel, and a dual-axis motor is used to drive the impeller and gear to rotate. The height is adjusted in combination with a worm and worm gear structure to achieve large-scale fume extraction and splash blocking.
The extraction range is increased, which makes it easier to clean up spatters. There is no need to frequently adjust the position of the extraction head and it can adapt to different welding platform heights.
Smart Images

Figure CN223312683U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mold welding, in particular to a movable mold welding fume extraction device. Background Art
[0002] Mold welding is a maintenance technology used to repair the loss and defects of the mold caused by wear or collision. Mold welding technology is mainly used for some parts of the injection molding mold that are lost due to wear, or the top corners are damaged due to collision. When welding, the parts to be welded are usually placed on the welding platform, and then the smoke extraction head of the smoke extraction mechanism is controlled to be close to the welding position, and then the welding operation can be carried out. When using the mobile welding smoke extraction equipment in the prior art, due to its small smoke extraction range, it is necessary to continuously switch the position of the smoke extraction head of the smoke extraction equipment when switching the welding position. Since it cannot block the spatter generated by welding, it cannot block the spatter within a certain range to facilitate the staff to clean up the spatter later. Therefore, a movable mold welding smoke extraction device is proposed to address the above problems. Utility Model Content
[0003] The technical problem to be solved by the utility model overcomes the existing defects and can effectively solve the problems in the background technology.
[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0005] A movable mold welding smoke extraction device comprises a top plate, the bottom end of the top plate is fixedly connected to a shielding curtain, the center of the bottom end of the top plate is rotatably connected to a rotating sleeve with a through hole at the bottom, the left side of the top end of the top plate is connected to a fixed pipe, the other end of the fixed pipe is connected to a positioning box fixedly connected to the top plate, the bottom end of the inner side of the positioning box is fixedly connected to a dual-axis motor fixedly connected to the top plate, the top main shaft end of the dual-axis motor is fixedly connected to an impeller, the top end of the positioning box is connected to a connecting pipe, the other end of the connecting pipe is connected to a fixed box fixedly connected to the top plate, the inner side of the fixed box is rotatably connected to a reel, the outer side of the reel is connected to an air outlet pipe that runs through the fixed box, and the air outlet pipe is slidably connected to the fixed box.
[0006] As a further improvement of the present invention, a bearing is fixedly connected to the top end of the outer side of the rotating sleeve, and the bearing is fixedly connected to the top plate.
[0007] As a further improvement of the present invention, a gear is fixedly connected to the end of the bottom main shaft of the dual-axis motor, and a gear ring is meshedly connected to the outer side of the gear and is fixedly connected to the rotating sleeve.
[0008] As a further improvement of the present invention, the rear end of the reel is fixedly connected to a handle that passes through the fixed box, and the handle is rotatably connected to the fixed box. The front and rear ends of the outer side of the reel are fixedly connected to rubber sleeves that are slidably connected to the fixed box.
[0009] As a further improvement of the present invention, a sleeve rod is fixedly connected at the corner of the bottom end of the top plate, the inner bottom end of the sleeve rod is slidably connected to the inner rod, the bottom end of the inner rod is fixedly connected to the universal wheel, the top center of the top plate is fixedly connected to a fixed motor, the main shaft end of the fixed motor is fixedly connected to an active bevel gear, the outer side of the active bevel gear is meshed with a driven bevel gear, the outer side of the driven bevel gear is fixedly connected to a worm rotatably connected to the top plate, the outer side of the worm is meshed with a worm wheel, the inner side of the worm wheel is fixedly connected to a threaded shaft passing through the top plate and the sleeve rod, and the threaded shaft is rotatably connected to the top plate and the sleeve rod, the threaded shaft is spirally connected to the inner rod, and the outer bottom end of the sleeve rod on the left side is fixedly connected to a controller through a connecting rod.
[0010] Compared with the prior art, the present invention has the following beneficial effects:
[0011] 1. A movable mold welding fume extraction device, which is provided with a shielding curtain, an air outlet pipe, a reel, an impeller, a gear, a gear ring, a rotating sleeve and a fixed pipe. When the fume extraction operation is performed when welding mold parts through the device, the universal wheel is first used to push the device so that the shielding curtain is located at the outer top end of the welding platform where the parts to be welded are placed, and then the air outlet pipe is pulled out from the outer side of the reel and connected to the external exhaust pipe. Then, the dual-axis motor is started to drive the impeller and the gear to rotate, and the gear will continuously engage the gear ring to control the rotation of the rotating sleeve. The impeller will continuously draw the fume generated by welding through the through-holes at the bottom of the fixed pipe and the rotating sleeve, and then discharge it through the connecting pipe, the reel, the air outlet pipe and the external exhaust pipe. By controlling the shielding curtain to block the outer top end of the entire welding platform, and then controlling the rotating impeller to extract the fume generated by welding, it is convenient to block the spatter generated by welding within a certain range, thereby facilitating the staff to clean up the spatter generated by welding later. Since the fume extraction range is also increased, it is not necessary to adjust the position of the fume extraction head of the fume extraction mechanism when switching the welding position.
[0012] 2. A movable mold welding fume extraction device, which is equipped with an active bevel gear, a driven bevel gear, a worm, a worm wheel, a sleeve rod, an inner rod and a threaded shaft. Before the fume extraction operation when welding mold parts through the device, the active bevel gear is driven to engage with the driven bevel gear by controlling the fixed motor, and further drives the worm to engage with the worm wheel, thereby driving the threaded shaft to be spirally connected with the inner rod. After the inner rod slides up and down in the sleeve rod, it is convenient to adjust the height of the device according to the height of the welding platform, thereby increasing the scope of application of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.
[0014] Figure 1 The utility model is a schematic diagram of the overall structure of a movable mold welding fume extraction device.
[0015] Figure 2 The utility model is a cross-sectional structural diagram of a movable mold welding fume extraction device.
[0016] Figure 3 The utility model is a schematic diagram of a top cross-sectional structure of a movable mold welding smoke extraction device top plate.
[0017] Figure 4 The utility model is a schematic diagram of the structure of the top plate of a movable mold welding smoke extraction device when viewed from above.
[0018] Figure 5 The utility model is a cross-sectional structural diagram of a fixed box of a movable mold welding fume extraction device.
[0019] Figure 6 The utility model is a schematic cross-sectional structural diagram of a sleeve rod of a movable mold welding smoke extraction device.
[0020] In the figure: 1. Top plate; 2. Window screen; 3. Rotating sleeve; 4. Bearing; 5. Fixed pipe; 6. Positioning box; 7. Dual-axis motor; 8. Impeller; 9. Gear; 10. Gear ring; 11. Connecting pipe; 12. Fixed box; 13. Reel; 14. Exhaust pipe; 15. Handle; 16. Rubber sleeve; 17. Sleeve rod; 18. Inner rod; 19. Universal wheel; 20. Fixed motor; 21. Driving bevel gear; 22. Driven bevel gear; 23. Worm; 24. Worm wheel; 25. Threaded shaft; 26. Controller. DETAILED DESCRIPTION
[0021] The present invention is further described below in conjunction with specific embodiments. The accompanying drawings are only used for illustrative purposes and represent only schematic diagrams rather than actual drawings. They should not be understood as limiting this patent. In order to better illustrate the specific embodiments of the present invention, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0022] Example 1
[0023] like Figure 1-6 As shown, a movable mold welding smoke extraction device includes a top plate 1, the bottom end of the top plate 1 is fixedly connected to a shielding curtain 2, the bottom center of the top plate 1 is rotatably connected to a rotating sleeve 3 with a through hole at the bottom, the top left side of the top plate 1 is connected to a fixed pipe 5, the other end of the fixed pipe 5 is connected to a positioning box 6 fixedly connected to the top plate 1, the bottom inner end of the positioning box 6 is fixedly connected to a dual-axis motor 7 fixedly connected to the top plate 1, the top main shaft end of the dual-axis motor 7 is fixedly connected to an impeller 8, the top of the positioning box 6 is connected to a connecting pipe 11, the other end of the connecting pipe 11 is connected to a fixed box 12 fixedly connected to the top plate 1, the inside of the fixed box 12 is rotatably connected to a reel 13, the outside of the reel 13 is connected to an air outlet pipe 14 that passes through the fixed box 12, and the air outlet pipe 14 is slidably connected to the fixed box 12.
[0024] Example 2
[0025] like Figure 2 As shown, in order to solve the problem of large friction between the rotating sleeve 3 and the top plate 1 when rotating, a bearing 4 is fixedly connected to the top end of the outer side of the rotating sleeve 3, and the bearing 4 is fixedly connected to the top plate 1. By connecting the rotating sleeve 3 to the top plate 1 through the bearing 4, large friction between the rotating sleeve 3 and the top plate 1 when rotating is avoided.
[0026] Example 3
[0027] like Figure 2 and Figure 4 As shown, in order to solve the problem of poor welding smoke extraction effect, the bottom main shaft end of the dual-axis motor 7 is fixedly connected to a gear 9, and the outer side of the gear 9 is engaged with a gear ring 10 fixedly connected to the rotating sleeve 3. In the process of extracting welding smoke, the dual-axis motor 7 is simultaneously controlled to drive the gear 9 to engage the gear ring 10, and the rotating sleeve 3 with a through hole at the bottom is further controlled to rotate, so that the welding smoke extraction effect is better.
[0028] Example 4
[0029] like Figure 5 As shown, in order to solve the problem that it is inconvenient to stably retract the air outlet pipe 14 when the device is not in use, the rear end of the reel 13 is fixedly connected to a handle 15 that passes through the fixed box 12, and the handle 15 is rotatably connected to the fixed box 12. The front and rear ends of the outer side of the reel 13 are fixedly connected to rubber sleeves 16 that are slidably connected to the fixed box 12. When the device is not in use, the reel 13 is controlled by the handle 15 to drive the rubber sleeve 16 to slide with the fixed box 12, and at the same time the air outlet pipe 14 is retracted. The large friction between the rubber sleeve 16 and the fixed box 12 facilitates the stable retraction of the air outlet pipe 14.
[0030] Example 5
[0031] like Figure 1 、 Figure 2 、 Figure 3 and Figure 6 As shown, in order to solve the problem that it is inconvenient to adjust the height of the device according to the height of the welding platform, a sleeve rod 17 is fixedly connected to the corner of the bottom end of the top plate 1, and the inner bottom end of the sleeve rod 17 is slidably connected to the inner rod 18. The bottom end of the inner rod 18 is fixedly connected to a universal wheel 19. A fixed motor 20 is fixedly connected to the center of the top end of the top plate 1, and the main shaft end of the fixed motor 20 is fixedly connected to a driving bevel gear 21. The outer side of the driving bevel gear 21 is meshed with a driven bevel gear 22. The outer side of the driven bevel gear 22 is fixedly connected to a worm 23 rotatably connected to the top plate 1, and the outer side of the worm 23 is meshed with a worm wheel 24. The inner side of the worm gear 24 is fixedly connected with a threaded shaft 25 that passes through the top plate 1 and the sleeve rod 17, and the threaded shaft 25 is rotatably connected to the top plate 1 and the sleeve rod 17. The threaded shaft 25 is spirally connected to the inner rod 18. The outer bottom end of the sleeve rod 17 on the left side is fixedly connected with a controller 26 through a connecting rod. By controlling the fixed motor 20, the active bevel gear 21 is driven to engage the driven bevel gear 22, and the driven bevel gear 22 further drives the worm 23 to engage the worm gear 24, so that the worm gear 24 drives the threaded shaft 25 to be spirally connected to the inner rod 18. After the inner rod 18 slides up and down in the sleeve rod 17, it is convenient to adjust the height of the device according to the height of the welding platform.
[0032] In this embodiment, when the device is used for smoke extraction during welding of mold parts, the universal wheel 19 is first used to push the device so that the shielding curtain 2 is located at the top end of the outer side of the welding platform where the parts to be welded are placed. Then, the fixed motor 20 is controlled by the controller 26 to drive the active bevel gear 21 to engage the driven bevel gear 22. At this time, the driven bevel gear 22 will drive the worm 23 to engage the worm wheel 24. The worm wheel 24 will drive the threaded shaft 25 to be spirally connected with the inner rod 18. The inner rod 18 will slide up and down in the sleeve rod 17. When the height of the device is adjusted according to the height of the welding platform, the outlet pipe 14 is pulled out from the outside of the reel 13 to connect with the external exhaust pipe. At this time, the reel 13 will continuously drive the rubber sleeve 16 to slide with the fixed box 12, and then the control The controller 26 starts the dual-axis motor 7 to drive the impeller 8 and the gear 9 to rotate. At this time, the gear 9 will continuously engage the gear ring 10 to control the rotation of the rotating sleeve 3. The impeller 10 will continue to rotate to pull the smoke generated by welding through the fixed tube 5 and the through-hole at the bottom of the rotating sleeve 3, and then discharge it through the connecting tube 11, the reel 13, the exhaust pipe 14 and the external exhaust pipe. At this time, the shielding curtain 2 is controlled to block the top of the outer side of the entire welding platform, and then the rotating impeller 8 is controlled to extract the smoke generated by welding, which makes it convenient to block the spatter generated by welding within a certain range to facilitate the staff to clean it up later. Since the smoking range is also increased, there is no need to adjust the position of the smoke head of the smoking mechanism when switching the welding position.
[0033] The above is a preferred embodiment of the present invention. The basic principles, main features and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.
Claims
1. A movable mold welding fume extraction device, comprising a top plate (1), characterized in that: The bottom end of the top plate (1) is fixedly connected to a shielding curtain (2), and the center of the bottom end of the top plate (1) is rotatably connected to a rotating sleeve (3) with a through hole at the bottom. The left side of the top end of the top plate (1) is connected to a fixed pipe (5), and the other end of the fixed pipe (5) is connected to a positioning box (6) fixedly connected to the top plate (1). The bottom end of the inner side of the positioning box (6) is fixedly connected to a double-axis motor (7) fixedly connected to the top plate (1), and the top main shaft end of the double-axis motor (7) is fixedly connected to an impeller (8). The top end of the positioning box (6) is connected to a connecting pipe (11), and the other end of the connecting pipe (11) is connected to a fixed box (12) fixedly connected to the top plate (1). The inner side of the fixed box (12) is rotatably connected to a reel (13), and the outer side of the reel (13) is connected to an air outlet pipe (14) that passes through the fixed box (12), and the air outlet pipe (14) is slidably connected to the fixed box (12).
2. The movable mold welding fume extraction device according to claim 1, characterized in that: A bearing (4) is fixedly connected to the top end of the outer side of the rotating sleeve (3), and the bearing (4) is fixedly connected to the top plate (1).
3. The movable mold welding fume extraction device according to claim 1, characterized in that: A gear (9) is fixedly connected to the end of the bottom main shaft of the dual-shaft motor (7), and the outer side of the gear (9) is meshedly connected to a gear ring (10) fixedly connected to the rotating sleeve (3).
4. The movable mold welding fume extraction device according to claim 1, characterized in that: The rear end of the reel (13) is fixedly connected to a handle (15) that passes through the fixed box (12), and the handle (15) is rotatably connected to the fixed box (12). The front and rear ends of the outer side of the reel (13) are fixedly connected to rubber sleeves (16) that are slidably connected to the fixed box (12).
5. The movable mold welding fume extraction device according to claim 1, characterized in that: The top plate (1) is fixedly connected to a sleeve rod (17) at a corner of the bottom end, the sleeve rod (17) is slidably connected to an inner rod (18) at the bottom end thereof, the bottom end of the inner rod (18) is fixedly connected to a universal wheel (19), the top center of the top plate (1) is fixedly connected to a fixed motor (20), the main shaft end of the fixed motor (20) is fixedly connected to a driving bevel gear (21), the outer side of the driving bevel gear (21) is meshedly connected to a driven bevel gear (22), the driven bevel gear (22) is fixedly connected to the outer side thereof, and the driven bevel gear (22) is fixedly connected to the inner rod (18) at the bottom end thereof. ) is fixedly connected to the outside of the top plate (1) with a worm (23) that is rotatably connected to the top plate (1), the outside of the worm (23) is meshed with a worm wheel (24), the inside of the worm wheel (24) is fixedly connected to a threaded shaft (25) that passes through the top plate (1) and the sleeve rod (17), and the threaded shaft (25) is rotatably connected to the top plate (1) and the sleeve rod (17), the threaded shaft (25) is spirally connected to the inner rod (18), and the outer bottom end of the sleeve rod (17) on the left side is fixedly connected to a controller (26) through a connecting rod.