Wood chip screening device
Through the motor-driven rotating shaft and inserting rod design, the problem of screen cylinder is solved, efficient screening and dust collection of wood chips is achieved, and the burden of manual cleaning is reduced.
Patent Information
- Application Number
- CN202422246452.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-13
AI Technical Summary
The existing wood chip screening device is prone to clogging during use, resulting in time-consuming and labor-intensive cleaning of manual cleaning.
A wood chip screening device is designed, which drives the rotation shaft to rotate through the motor, and the connecting rod drives the screen cylinder and the insertion rod to rotate. The insertion rod is inserted into the screen hole to clear the screen hole, and dust is collected through the wind wheel. The screened wood chip is collected using the collection box to prevent clogging.
Effectively prevent screening barrels from being blocked, reduce manual cleaning time, and realize efficient screening of wood chips and dust collection.
Smart Images
Figure CN223145227U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wood chip processing, in particular to a wood chip screening device. Background Art
[0002] The raw materials of a wood-based panel factory are tree branches, tree trunks, or waste wood. The first process to make these raw materials into wood-based panels is to use a chipper to chip, cut short, and screen them. The second process is to use a crusher to crush them into fine materials. The third process is to dry them. The fourth process is to make the finished wood-based panel under the action of an adhesive through high temperature and high pressure. During the wood chip processing, it is necessary to screen them. During the use of the screening device, the screen cylinder is prone to blockage, and manual cleaning is time-consuming and laborious. Therefore, a wood chip screening device is proposed to prevent the screen cylinder from being blocked. Content of the Utility Model
[0003] Aiming at the problems in the prior art, the utility model provides a wood chip screening device.
[0004] The technical solution adopted by the utility model to solve its technical problems is a wood chip screening device, which includes a screening box. One side of the screening box is fixed with a feed hopper and a cushion block. The side of the cushion block away from the screening box is fixed with a motor. The output shaft of the motor is connected with a rotating shaft through a coupling. A plurality of connecting rods are fixed on the rotating shaft. An inclined screen cylinder and a support rod are arranged in the screening box. The support rod is located above the screen cylinder. The bottom end of the feed hopper extends into the screen cylinder. The ends of the plurality of connecting rods away from the rotating shaft are all connected with the screen cylinder. A plurality of inserting rods adapted to the screen holes on the screen cylinder are fixed on the support rod. There is a notch at the top of the screening box. A cover plate is arranged in the notch. The cover plate is connected with the screening box through bolts. Two connecting plates are fixed at the bottom end of the cover plate. Both of the two connecting plates are rotatably connected with the support rod. A first collection box and a second collection box are arranged below the screen cylinder. A through groove communicating with the inside of the screening box is arranged on one side of the screening box. A baffle is arranged in the through groove. The top end of the baffle is connected with the screening box through a hinge.
[0005] By adopting the above technical solution, the wood chips to be screened are introduced into the screen cylinder through the feed hopper. The output shaft of the motor drives the rotating shaft to rotate, and the connecting rods and the screen cylinder rotate accordingly to realize the screening of the wood chips. The first collection box and the second collection box can collect the screened wood chips. During the rotation of the screen cylinder, the support rod and the inserting rods rotate accordingly. The inserting rods are inserted into the screen holes of the screen cylinder, which is beneficial to dredge the screen holes and prevent the screen cylinder from being blocked.
[0006] Specifically, the end of the rotating shaft away from the motor penetrates through the screening box and extends outside the screening box. A wind wheel is fixed at the end of the rotating shaft away from the motor. A sleeve is fixed on one side of the screening box away from the cushion block. One end of the sleeve away from the screening box is fixed with a dust collection bag through a tie. A plurality of ventilation openings are arranged on one side of the screening box away from the motor.
[0007] By adopting the above technical solution, when the rotating shaft rotates, it drives the wind wheel to rotate, and the dust generated during the screening process enters the dust collection bag through the ventilation port and the sleeve, which is conducive to the collection of dust.
[0008] Specifically, casters are installed at the four corners of the bottom ends of the first collection box and the second collection box, and handles are fixed on the side walls of the first collection box and the second collection box close to the baffle.
[0009] By adopting the above technical solution, the setting of the casters and the handles is conducive to transporting the screened wood chips.
[0010] Specifically, glass is provided above the baffle, an observation window adapted to the glass is provided on the side wall of the screening box, and the glass is connected to the screening box through an adhesive.
[0011] By adopting the above technical solution, it is convenient to observe the situation inside the screening box through the observation window and the glass.
[0012] Specifically, a handle is fixed at the top end of the cover plate.
[0013] By adopting the above technical solution, loosen the bolts for fixing the cover plate, and hold the handle, which is convenient to take out and replace the cover plate together with the connecting plate and the support rod.
[0014] The beneficial effects of the present utility model are as follows:
[0015] (1) For the wood chip screening device of the present utility model, the wood chips to be screened are introduced into the sieve cylinder through the feed hopper, the output shaft of the motor drives the rotating shaft to rotate, the connecting rod and the sieve cylinder rotate accordingly, realizing the screening of the wood chips. The first collection box and the second collection box can collect the screened wood chips. During the rotation of the sieve cylinder, the support rod and the insertion rod rotate accordingly, and the insertion rod is inserted into the sieve holes of the sieve cylinder, which is conducive to dredging the sieve holes and preventing the sieve cylinder from being blocked.
[0016] (2) For the wood chip screening device of the present utility model, when the rotating shaft rotates, it drives the wind wheel to rotate, and the dust generated during the screening process enters the dust collection bag through the ventilation port and the sleeve, which is conducive to the collection of dust. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present utility model will be further described below with reference to the drawings and embodiments.
[0018] Figure 1 is the structural schematic diagram of the present utility model;
[0019] Figure 2 is the sectional view of the screening box of the present utility model;
[0020] Figure 3 is for the present utility model Figure 1 enlarged view of the structure at A in.
[0021] In the figure: 1, screening box; 2, cover plate; 3, dust collection bag; 4, glass; 5, baffle; 6, feed hopper; 7, motor; 8, cushion block; 9, sieve cylinder; 10, first collection box; 11, inserting rod; 12, support rod; 13, connecting plate; 14, connecting rod; 15, rotating shaft; 16, sleeve; 17, wind wheel; 18, second collection box; 19, cable tie. Specific implementation manners
[0022] In order to make the technical means, creative features, achieved purposes and functions implemented by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific implementation manners.
[0023] In order to prevent the sieve cylinder 9 from being blocked, as an embodiment of the present utility model, as Figure 1 、 Figure 2 shown, a wood chip screening device described in the present utility model includes a screening box 1, one side of the screening box 1 is welded and fixed with a feed hopper 6 and a cushion block 8, the side of the cushion block 8 away from the screening box 1 is fixed with a motor 7 by bolts, the output shaft of the motor 7 is connected with a rotating shaft 15 through a coupling, a plurality of connecting rods 14 are welded and fixed on the rotating shaft 15, an inclined sieve cylinder 9 and a support rod 12 are arranged in the screening box 1, the support rod 12 is located above the sieve cylinder 9, the bottom end of the feed hopper 6 extends into the sieve cylinder 9, the ends of the plurality of connecting rods 14 away from the rotating shaft 15 are all welded and connected with the sieve cylinder 9, a plurality of inserting rods 11 adapted to the sieve holes on the sieve cylinder 9 are welded and fixed on the support rod 12, a notch is arranged at the top end of the screening box 1, a cover plate 2 is arranged in the notch, the cover plate 2 is connected with the screening box 1 by bolts, two connecting plates 13 are welded and fixed at the bottom end of the cover plate 2, and both of the two connecting plates 13 are rotatably connected with the support rod 12. A first collection box 10 and a second collection box 18 are arranged below the sieve cylinder 9, a through groove communicating with the inside of the screening box 1 is arranged on one side of the screening box 1, and a baffle 5 is arranged in the through groove, and the top end of the baffle 5 is connected with the screening box 1 by a hinge.
[0024] During use, the wood chips to be screened are introduced into the sieve cylinder 9 through the feed hopper 6, the output shaft of the motor 7 drives the rotating shaft 15 to rotate, the connecting rods 14 and the sieve cylinder 9 rotate accordingly to realize the screening of the wood chips, the first collection box 10 and the second collection box 18 can collect the screened wood chips, during the rotation of the sieve cylinder 9, the support rod 12 and the inserting rod 11 rotate accordingly, and the inserting rod 11 is inserted into the sieve holes of the sieve cylinder 9, which is beneficial to dredging the sieve holes and preventing the sieve cylinder 9 from being blocked.
[0025] For the convenience of collecting dust, exemplarily, as Figure 2 、 Figure 3As shown, one end of the rotating shaft 15 away from the motor 7 penetrates through the screening box 1 and extends outside the screening box 1. A wind wheel 17 is fixed to the end of the rotating shaft 15 away from the motor 7 by bolts. A sleeve 16 is welded and fixed to one side of the screening box 1 away from the cushion block 8. A dust collection bag 3 is fixed to the end of the sleeve 16 away from the screening box 1 by a tie strap 19. A plurality of ventilation openings are provided on one side of the screening box 1 away from the motor 7.
[0026] During use, when the rotating shaft 15 rotates, it drives the wind wheel 17 to rotate. The dust generated during the screening process enters the dust collection bag 3 through the ventilation openings and the sleeve 16, which is beneficial to the collection of dust.
[0027] For the convenience of transporting the screened wood chips, exemplarily, as Figure 2 shown, casters are installed at the four corners of the bottom ends of the first collection box 10 and the second collection box 18. Handles are welded and fixed to the side walls of the first collection box 10 and the second collection box 18 close to the baffle 5.
[0028] For the convenience of observing the situation inside the screening box 1, exemplarily, as Figure 1 shown, a glass 4 is provided above the baffle 5. An observation window adapted to the glass 4 is provided on the side wall of the screening box 1. The glass 4 is connected to the screening box 1 by an adhesive.
[0029] For the convenience of taking and placing the cover plate 2, exemplarily, as Figure 1 shown, a handle is welded and fixed to the top end of the cover plate 2.
[0030] When the present utility model is in use, the wood chips to be screened are introduced into the sieve drum 9 through the feed hopper 6. The output shaft of the motor 7 drives the rotating shaft 15 to rotate, and the connecting rod 14 and the sieve drum 9 rotate accordingly to realize the screening of the wood chips. The first collection box 10 and the second collection box 18 can collect the screened wood chips. During the rotation of the sieve drum 9, the support rods 12 and the insertion rods 11 rotate accordingly. The insertion rods 11 are inserted into the sieve holes of the sieve drum 9, which is beneficial to dredging the sieve holes and preventing the sieve drum 9 from being blocked;
[0031] When the rotating shaft 15 rotates, it drives the wind wheel 17 to rotate. The dust generated during the screening process enters the dust collection bag 3 through the ventilation openings and the sleeve 16, which is beneficial to the collection of dust;
[0032] Open the baffle 5 and hold the handle, which is convenient for transporting the screened wood chips by using the first collection box 10, the second collection box 18 and the casters.
[0033] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents. The content not described in detail in the present utility model belongs to the prior art well-known to those skilled in the art.
Claims
1. A wood chip screening device, characterized in that, It includes a screening box (1). One side of the screening box (1) is fixed with a feed hopper (6) and a cushion block (8). On the side of the cushion block (8) away from the screening box (1), a motor (7) is fixed. The output shaft of the motor (7) is connected to a rotating shaft (15) through a coupling. A plurality of connecting rods (14) are fixed on the rotating shaft (15). An inclined sieve cylinder (9) and a support rod (12) are arranged in the screening box (1). The support rod (12) is located above the sieve cylinder (9). The bottom end of the feed hopper (6) extends into the sieve cylinder (9). The ends of the plurality of connecting rods (14) away from the rotating shaft (15) are all connected to the sieve cylinder (9). A plurality of inserting rods (11) adapted to the sieve holes on the sieve cylinder (9) are fixed on the support rod (12). There is a notch at the top of the screening box (1), and a cover plate (2) is arranged in the notch. The cover plate (2) is connected to the screening box (1) by bolts. Two connecting plates (13) are fixed to the bottom end of the cover plate (2). Both of the two connecting plates (13) are rotatably connected to the support rod (12). A first collection box (10) and a second collection box (18) are arranged below the sieve cylinder (9). One side of the screening box (1) is provided with a through groove communicating with the inside of the screening box (1). A baffle (5) is arranged in the through groove. The top end of the baffle (5) is connected to the screening box (1) by a hinge.
2. The wood chip screening device according to claim 1, wherein, One end of the rotating shaft (15) away from the motor (7) penetrates through the screening box (1) and extends outside the screening box (1). A wind wheel (17) is fixed to the end of the rotating shaft (15) away from the motor (7). A sleeve (16) is fixed to one side of the screening box (1) away from the cushion block (8). One end of the sleeve (16) away from the screening box (1) is fixed with a dust collection bag (3) by a tie strap (19). A plurality of ventilation openings are arranged on one side of the screening box (1) away from the motor (7).
3. The wood chip screening device according to claim 1, characterized in that, Four corners at the bottom ends of the first collection box (10) and the second collection box (18) are all equipped with casters. Handles are fixed to the side walls of the first collection box (10) and the second collection box (18) close to the baffle (5).
4. A wood chip screening device according to claim 1, characterized in that, A glass (4) is arranged above the baffle (5). An observation window adapted to the glass (4) is arranged on the side wall of the screening box (1). The glass (4) is connected to the screening box (1) by an adhesive.
5. The wood chip screening device according to claim 1, characterized in that, A handle is fixed to the top end of the cover plate (2).