Dust removal equipment for paperboard feeding
By using a rotating brush and an adjustable-width suction nozzle, the problem of poor dust removal effect on cardboard of different sizes has been solved, achieving efficient and convenient dust removal.
Patent Information
- Application Number
- CN202520212442.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Existing cardboard dust removal equipment has an excessively large collection box opening when the cardboard is narrow, resulting in reduced suction and poor dust removal effect. Furthermore, it cannot be adjusted to accommodate cardboard of different sizes.
A dust removal device for cardboard feeding was designed. It uses a rotating brush to rub and separate dust from the cardboard surface, and then uses an adjustable-width suction nozzle and a rotating shaft to perform dust removal. The device includes a combination structure of large and small suction nozzles, a sliding shaft, a fork-shaped shaft, and brush strips to achieve effective dust removal for cardboard of different sizes.
It achieves excellent dust removal effect on cardboard, adapts to the dust collection needs of cardboard of different sizes, is easy to adjust, and is convenient to use.
Smart Images

Figure CN223735559U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cardboard processing technology, specifically to a dust removal device for cardboard feeding. Background Technology
[0002] Cardboard boxes, seemingly ordinary items, actually play an indispensable role in every corner of our lives. Whether in logistics, transportation, storage, or protection, cardboard boxes are crucial. Made from cardboard, the production quality requires dust removal from the cardboard during processing. (Existing technology: Authorization Publication Number CN) Patent 220387230U discloses a dust removal device for corrugated cardboard production. The dust removal device includes a conveyor support platform, a cardboard conveyor belt and a corrugated cardboard receiving belt set on the conveyor support platform. A cleaning roller group and a corrugated extrusion roller group are sequentially connected from the output end of the cardboard conveyor belt to the input end of the corrugated cardboard receiving belt. A blowing device is arranged above the cleaning roller group and distributed along the axial direction. A collection trough is arranged below the corrugated extrusion roller group and along the axial direction. A collection box and a suction fan are arranged outside the conveyor support platform. The bottom of the collection trough is connected to the collection box through multiple suction pipes. The suction port of the suction fan is connected to the collection box. The collection box can suck up dust from the surface of the cardboard, which is convenient for dust collection. However, its width is generally not adjustable. When the cardboard is narrow, the collection box will have a large opening, so the suction power will be reduced and the dust removal effect will be poor. Utility Model Content
[0003] The technical problem to be solved by this utility model is to overcome the existing defects and provide a dust removal device for feeding cardboard. It can use a rotating brush to rub the surface of the cardboard to promote the separation of dust from the cardboard, and then perform dust suction treatment. The dust removal device has a good dust removal effect on the fed cardboard. Moreover, both the suction nozzle and the rotating shaft can be stretched or contracted, and the width can be adjusted to facilitate the dust suction of cardboard of different sizes. The adjustment is simple and the device is easy to use, which can effectively solve the problems in the background technology.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a dust removal device for cardboard feeding, comprising a frame;
[0005] The frame has symmetrically distributed large suction nozzles on its upper right side. The right end of each of the two large suction nozzles is slidably connected to a small suction nozzle. The inside of each of the two large suction nozzles is rotatably connected to a sliding shaft. The inside of each of the two small suction nozzles is rotatably connected to a fork-shaped shaft. The left end of each of the two fork-shaped shafts is slidably connected to the corresponding sliding shaft in the horizontal direction. The outer arc surface of each of the fork-shaped shaft and the sliding shaft is provided with two brush strips. The left end of the frame is equipped with a vacuum cleaner. The inside of each of the two large suction nozzles is connected to the suction pipe of the vacuum cleaner.
[0006] The system also includes a control switch assembly located in the middle of the frame. The input end of the vacuum cleaner is electrically connected to the output end of the control switch assembly, and the input end of the control switch assembly is electrically connected to an external power source. The rotating brush can rub the surface of the cardboard being fed, promoting the separation of dust from the cardboard before vacuuming. The dust removal equipment has a good dust removal effect on the fed cardboard, and both the suction nozzle and the rotating shaft can be stretched or retracted to adjust their width, facilitating the vacuuming of cardboard of different sizes. The adjustment is simple and the equipment is easy to use.
[0007] Furthermore, a lead screw is rotatably connected to the middle of the frame, and an internally threaded tube is threaded to the right end of the lead screw. The right end of the internally threaded tube is fixedly connected to the lower end of the left side of the support plate. The right side of the small suction nozzle is fixedly connected to the left side of the support plate. A handwheel is provided at the left end of the lead screw to facilitate the movement of the small suction nozzle.
[0008] Furthermore, a motor is provided at the left end of the frame, and a gear 1 is provided on the output shaft of the motor. A gear 2 is provided at the left end of each of the two slide shafts. Both gear 2 are meshed with gear 1. The input end of the motor is electrically connected to the output end of the control switch group to facilitate the control of the rotation of the slide shaft.
[0009] Furthermore, it also includes two pins, which are respectively located at the left ends of the two fork-shaped shafts. Both pins are slidably connected to the long sliding holes in the middle of the transversely corresponding sliding groove shafts, thereby improving the structural strength of the fork-shaped shafts.
[0010] Furthermore, both the small and large suction nozzles have brush strips on the rear side of their vertical openings to block dust.
[0011] Furthermore, the right end of the front and rear inner walls of the large suction nozzle is provided with a slider, and the four sliders are slidably connected to the corresponding small suction nozzle in the longitudinal direction, thereby improving the connection strength between the small suction nozzle and the large suction nozzle.
[0012] Furthermore, it also includes two foam strips, which are respectively set at the left end of the two small suction nozzles. The two foam strips are slidably connected to the corresponding large suction nozzles in the horizontal direction to improve the sealing of the connection between the small and large suction nozzles.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This dust removal equipment for cardboard feeding has the following advantages:
[0014] 1. During use, the rotating brush can rub the surface of the paperboard to promote the separation of dust from the paperboard, and then the dust can be vacuumed. Thus, the dust removal equipment has a good dust removal effect on the paperboard.
[0015] 2. Both its suction nozzle and rotating shaft can be stretched or retracted, allowing for width adjustment during use to facilitate vacuuming of cardboard of different sizes. Both can be adjusted simultaneously, providing excellent ease of use. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the structure of this utility model;
[0017] Figure 2 This is a cross-sectional view of the large suction nozzle of this utility model;
[0018] Figure 3 This is an enlarged structural diagram of point A in this utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the groove shaft of this utility model;
[0020] Figure 5 This is an enlarged structural diagram of section B of the present invention;
[0021] Figure 6 This is a schematic diagram of the rear structure of this utility model;
[0022] Figure 7 This is an enlarged structural diagram of point C in this utility model.
[0023] In the diagram: 1. Frame, 2. Large suction nozzle, 3. Small suction nozzle, 4. Slide shaft, 5. Fork shaft, 6. Brush strip one, 7. Motor, 8. Gear one, 9. Gear two, 10. Vacuum cleaner, 11. Control switch group, 12. Lead screw, 13. Internal threaded tube, 14. Support plate, 15. Handwheel, 16. Pin shaft, 17. Brush strip two, 18. Slider, 19. Foam strip. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-7 This embodiment provides a technical solution: a dust removal device for cardboard feeding, including a frame 1;
[0026] Frame 1: Its upper right side is equipped with symmetrically distributed large suction nozzles 2. Frame 1 is placed at the front end of the carton processing machine's feed inlet. Small suction nozzles 3 are slidably connected to the right ends of the two large suction nozzles 2. During processing, the cardboard passes through the middle between the two large suction nozzles 2 and the small suction nozzles 3, entering the carton processing machine from front to back. Slide shafts 4 are rotatably connected inside the two large suction nozzles 2, and fork-shaped shafts 5 are rotatably connected inside the two small suction nozzles 3. The left ends of the two fork-shaped shafts 5 are slidably connected to the corresponding transverse slide shafts 4. Two brush strips 6 are provided on the outer arc surfaces of the fork-shaped shafts 5 and the slide shafts 4. The slide shafts 4 drive the fork-shaped shafts 5 to rotate, and the fork-shaped shafts 5 and the slide shafts 4 drive the brush strips 6 to rotate. The brush strips 6 brush against the surface of the cardboard. Friction is applied to the surface to separate dust from the cardboard. A vacuum cleaner 10 is located at the left end of the frame 1. The interiors of two large suction nozzles 2 are connected to the suction pipes of the vacuum cleaner 10. The vacuum cleaner 10 operates by drawing air from the interiors of the large suction nozzles 2. The interiors of the small suction nozzles 3 are connected to the large suction nozzles 2. Thus, the upper small suction nozzles 3 and large suction nozzles 2 vacuum the upper surface of the cardboard, while the lower small suction nozzles 3 and large suction nozzles 2 vacuum the lower surface of the cardboard. A lead screw 12 is rotatably connected to the middle of the frame 1. An internally threaded tube 13 is threaded to the right end of the lead screw 12. The right end of the internally threaded tube 13 is fixedly connected to the lower end of the left side of the support plate 14. The right sides of the small suction nozzles 3 are all fixedly connected to the left side of the support plate 14. A handwheel is located at the left end of the lead screw 12. 15. Rotate handwheel 15. Handwheel 15 drives lead screw 12 to rotate. Lead screw 12 drives small suction nozzle 3 to move laterally along large suction nozzle 2 through internal thread tube 13 and support plate 14. Motor 7 is provided at the left end of frame 1. Gear 18 is provided on the output shaft of motor 7. Gear 29 is provided at the left end of each of the two sliding shafts 4. Both gear 29 are meshed with gear 18. The input end of motor 7 is electrically connected to the output end of control switch group 11. Motor 7 drives gear 18 to rotate. Gear 18 drives sliding shaft 4 to rotate through gear 29. It also includes pins 16. There are two pins 16. The two pins 16 are respectively set at the left end of the two fork-shaped shafts 5. Both pins 16 are slidably connected to the long sliding hole in the middle of the horizontally corresponding sliding shaft 4. Adjustment Simultaneously, the fork-shaped shaft 5 and the pin 16 slide relative to the open groove on the surface of the sliding shaft 4 and the long sliding hole in the middle. The pin 16 connects the two strips at the left end of the fork-shaped shaft 5, providing structural strength. Brush strips 17 are provided on the rear side of the vertical opening horizontal plane of both the small suction nozzle 3 and the large suction nozzle 2. The four brush strips 17 contact the upper and lower sides of the cardboard, improving the sealing between the rear end of the small suction nozzle 3 and the large suction nozzle 2 and the cardboard, preventing dust from flowing out. The absence of brush strips 17 at the front end facilitates dust entering the interior of the small suction nozzle 3 and the large suction nozzle 2. Slider 18 is provided on the right end of the front and rear inner walls of the large suction nozzle 2. The four sliders 18 are slidably connected to the corresponding small suction nozzle 3 in the longitudinal direction. The sliders 18 slide relative to the groove on the surface of the small suction nozzle 3.To enhance the connection strength between the small vacuum nozzle 3 and the large vacuum nozzle 2, foam strips 19 are also included. There are two foam strips 19, each positioned at the left end of one of the two small vacuum nozzles 3. Each foam strip 19 is slidably connected to the corresponding large vacuum nozzle 2, allowing for relative sliding between the foam strips 19 and the large vacuum nozzle 2, thus improving the seal at the connection point between the small vacuum nozzle 3 and the large vacuum nozzle 2.
[0027] It also includes a control switch group 11, which is located in the middle of the frame 1. The input end of the vacuum cleaner 10 is electrically connected to the output end of the control switch group 11, and the input end of the control switch group 11 is electrically connected to an external power source. The control switch group 11 facilitates the control of the appliance.
[0028] The working principle of the dust removal device for cardboard feeding provided by this utility model is as follows: During use, the frame 1 is placed at the front end of the cardboard processing machine's feed inlet. During processing, the cardboard passes through the middle between the two large suction nozzles 2 and the small suction nozzle 3, entering the interior of the cardboard processing machine from front to back. When the cardboard is fed, the control switch group 11 is adjusted, and the vacuum cleaner 10 and motor 7 operate. The vacuum cleaner 10 works to extract dust from the interior of the large suction nozzle 2. The interior of the small suction nozzle 3 is connected to the large suction nozzle 2, thus the upper small suction nozzle 3 and the large suction nozzle 2 vacuum the upper surface of the cardboard, and the lower small suction nozzle 3 and the large suction nozzle 2 vacuum the lower surface of the cardboard. Four brush strips 17 contact the upper and lower sides of the cardboard, improving the seal between the rear ends of the small suction nozzles 3 and the large suction nozzles 2 and the cardboard, preventing dust from flowing out. The absence of brush strips 17 at the front facilitates dust entry into the interior of the small suction nozzles 3 and the large suction nozzles 2. Motor 7 drives gear 8 to rotate, gear 8 drives slide shaft 4 to rotate via gear 9, slide shaft 4 drives fork shaft 5 to rotate, fork shaft 5 and slide shaft 4 drive brush strip 6 to rotate, brush strip 6 rubs the surface of cardboard to promote the separation of dust from cardboard, making it easy to suck up dust and thus achieving a good dust removal effect. When the width of cardboard changes, rotate handwheel 15, handwheel 15 drives lead screw 12 to rotate, lead screw 12 drives small suction nozzle 3 to move laterally along large suction nozzle 2 through internal thread tube 13 and support plate 14. Slider 18 slides relative to the slide groove on the surface of small suction nozzle 3, foam strip 19 slides relative to large suction nozzle 2. At the same time, fork shaft 5 and pin shaft 16 slide relative to the open slide groove on the surface of slide shaft 4 and the long slide hole in the middle, thus adjusting the width of the whole of small suction nozzle 3 and large suction nozzle 2, thus facilitating the suction of cardboard of different widths.
[0029] It is worth noting that the vacuum cleaner 10 and motor 7 disclosed in the above embodiments can be freely configured according to the actual application scenario. The vacuum cleaner 10 can be a vacuum cleaner of model DL-7500, and the motor 7 can be a geared motor of model 5I K120RGU-CF. The control switch group 11 is provided with switch buttons that correspond one-to-one with the vacuum cleaner 10 and the motor 7 for controlling their switching operation.
[0030] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A dust removal apparatus of a paperboard feed, characterized by: It includes frame (1); The right side of the upper end of the frame (1) is provided with two large suction nozzles (2) which are symmetrically distributed, the right end of the inside of each large suction nozzle (2) is slidably connected with a small suction nozzle (3), the inside of each large suction nozzle (2) is rotatably connected with a chute shaft (4), the inside of each small suction nozzle (3) is rotatably connected with a fork shaft (5), the left end of each fork shaft (5) is slidably connected with the corresponding chute shaft (4) in the transverse direction, the outer arc surface of each fork shaft (5) and chute shaft (4) is provided with two brush strips (6), the left end of the frame (1) is provided with a dust collector (10), the inside of each large suction nozzle (2) is connected with the dust collection pipe of the dust collector (10). The control switch group (11) is arranged in the middle of the frame (1), the input end of the dust collector (10) is electrically connected with the output end of the control switch group (11), and the input end of the control switch group (11) is electrically connected with an external power supply.
2. A paperboard feed de-dusting apparatus as claimed in claim 1, characterized in that: The middle of the frame (1) is rotatably connected with a lead screw (12), the right end of the lead screw (12) is threadedly connected with an internally threaded pipe (13), the right end of the internally threaded pipe (13) is fixedly connected with the left side of a support plate (14), the right side of each small suction nozzle (3) is fixedly connected with the left side of the support plate (14), and the left end of the lead screw (12) is provided with a hand wheel (15).
3. A paperboard feed de-dusting apparatus as defined in claim 1, wherein: The left end of the frame (1) is provided with a motor (7), a gear one (8) is arranged on the output shaft of the motor (7), the left end of each chute shaft (4) is provided with a gear two (9), and the two gear twos (9) are in meshing connection with the gear one (8), and the input end of the motor (7) is electrically connected with the output end of the control switch group (11).
4. A paperboard feed de-dusting apparatus as defined in claim 1, wherein: The two pin shafts (16) are arranged at the left end of the two fork shafts (5), and the two pin shafts (16) are slidably connected with the long sliding hole in the middle of the corresponding chute shaft (4) in the transverse direction.
5. A paperboard feed de-dusting apparatus as defined in claim 1, wherein: The rear side of the vertical opening horizontal plane of each small suction nozzle (3) and large suction nozzle (2) is provided with a brush strip two (17).
6. A paperboard feed de-dusting apparatus as defined in claim 1, wherein: The right end of the front and rear inner side wall of each large suction nozzle (2) is provided with a sliding block (18), and the four sliding blocks (18) are slidably connected with the corresponding small suction nozzle (3) in the longitudinal direction.
7. A paperboard feed de-dusting apparatus as defined in claim 1, wherein: The two bubble strips (19) are arranged at the left end of the two small suction nozzles (3), and the two bubble strips (19) are slidably connected with the corresponding large suction nozzles (2) in the transverse direction.
Citation Information
Patent Citations
Dust removal equipment for corrugated board production
CN220387230U