Dust removal device for milling machine
The combination of limit rod, spring and moving plate facilitates the disassembly and installation of the filter screen of the milling machine dust removal device, solves the problem of filter screen clogging, and ensures dust removal effect and equipment protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-03-27
AI Technical Summary
In existing milling machine dust removal devices, the integrated filter screen is difficult to disassemble and clean, and is prone to clogging after long-term use.
The design incorporates a combination of a limiting rod, a spring, a movable plate, and a fixed plate. The pressure between the inclined surface of the limiting rod and the fixed plate facilitates the disassembly and installation of the filter screen. The frame and the filter screen form a box-like structure for easy cleaning.
It enables easy disassembly and installation of the filter, preventing filter clogging, protecting the motor and fan blades, and avoiding dust pollution and health hazards.
Smart Images

Figure CN224043256U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to milling machine dust removal technical field, concretely is a dust collector for milling machine. BACKGROUND
[0002] Milling is a processing mode, through the relative movement between the rotating milling cutter and the workpiece, the excess material on the surface of the workpiece is removed, so that the required shape and size accuracy are achieved, and the milling machine is a machine tool for milling workpieces with a milling cutter. The existing milling machine generally produces a large amount of dust splashing during work, which pollutes the surrounding environment and is easily inhaled by personnel, endangering the health of the personnel. Therefore, a dust removal device needs to be used for dust removal. The existing dust removal device generally installs a filter screen in front of the air suction fan to filter the dust and protect the air suction fan. However, the filter screen is generally installed in an integral manner and is difficult to disassemble and clean. After long-term use, the filter screen is prone to blockage. SUMMARY
[0003] In order to overcome the above defects, the utility model provides a dust removal device for a milling machine, which solves the problem that the existing dust removal device generally installs a filter screen in front of the air suction fan to filter the dust and protect the air suction fan, but the filter screen is generally installed in an integral manner and is difficult to disassemble and clean, and is prone to blockage after long-term use.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: a dust removal device for a milling machine, comprising a box body, a motor is fixedly connected inside the box body, an air suction fan blade is fixedly connected to the output end of the motor, a ventilation hopper is fixedly connected to the top of the box body, a frame body is arranged inside the ventilation hopper, a filter screen is fixedly connected inside the frame body, two blocking plates are hingedly connected to the front of the ventilation hopper, a fixed block is fixedly connected inside the blocking plate, a movable rod is slidably connected to the fixed block, a spring is sleeved on the movable rod, and a moving plate is fixedly connected to the top end of the movable rod.
[0005] The moving plate is connected with a limiting rod, the limiting rod is designed as an inclined surface, two fixed plates are fixedly connected to the front of the ventilation hopper, a limiting hole is formed in the fixed plate, the limiting rod is located in the limiting hole, a placing hole is formed in the ventilation hopper, two supporting plates are fixedly connected inside the ventilation hopper, the frame body is located on the top of the two supporting plates, a milling machine workbench is arranged on the top of the ventilation hopper, and a plurality of through holes are formed in the milling machine workbench.
[0006] As a further scheme of the utility model, one end of the spring is fixedly connected to the moving plate, the other end of the spring is fixedly connected to the fixed block, and the ventilation hopper is connected with the box body.
[0007] As a further scheme of the utility model: four stand columns are fixedly connected to the bottom of the milling machine workbench, and the four stand columns are evenly distributed on the bottom of the milling machine workbench.
[0008] As a further scheme of the utility model: the bottom plate is fixed with the box body, and the bottom end of the movable rod is fixedly connected with a pressing plate through the fixed block.
[0009] As a further scheme of the utility model: a handle is fixedly connected to the frame body, and the handle is designed as an arc surface.
[0010] As a further scheme of the utility model: the suction fan blade is located at the bottom of the ventilation scoop, and the suction fan blade is located inside the box body.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1. The dust removal device for the milling machine, when the filter screen needs to be disassembled, the pressing plate is pressed first to drive the movable rod, the moving plate and the limiting rod to move downward, the moving plate compresses the spring, and the limiting rod is separated from the limiting hole, so that the fixed state of the blocking plate is released, the blocking plate is rotated, the blocking plate no longer blocks the frame body, the handle is held to take out the frame body, and the disassembly of the frame body and the filter screen is completed, when the filter screen needs to be installed, the frame body is placed into the ventilation scoop through the placing hole, the frame body slides on the top of the supporting plate, the supporting plate supports and limits the frame body, the blocking plate is rotated to drive the limiting rod to rotate, when the inclined surface of the limiting rod contacts the fixed plate, the limiting rod and the moving plate move downward under the extrusion of the fixed plate, the spring is compressed by the moving plate, when the limiting rod moves to the limiting hole, the limiting rod loses the extrusion of the fixed plate, the spring is reset and pushes the moving plate and the limiting rod to move upward, the limiting rod is inserted into the limiting hole to fix the blocking plate, the frame body is blocked by the blocking plate, the installation of the frame body and the filter screen is completed, the device can conveniently disassemble and install the filter screen, the filter screen is cleaned conveniently, and the filter screen is prevented from being blocked effectively.
[0013] 2. The dust removal device for milling machine, through the motor, the suction fan blade, the filter screen, the frame and the hole are set, when the milling machine works, the motor is started to drive the suction fan blade to rotate, the suction fan blade will produce suction, the dust generated when the milling machine works is absorbed, and falls into the filter screen through the hole and is collected, the dust is absorbed by the motor driving the suction fan blade to rotate, which avoids dust splashing and polluting the surrounding environment, and can prevent dust from harming the health of personnel, the dust is filtered through the filter screen, which can prevent dust from falling into the motor and the suction fan blade, can effectively protect the motor and the suction fan blade, and the filter screen and the frame form a box body structure, so that the dust can be collected. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a structure schematic view of the box section of the utility model;
[0016] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 2 It is a structure schematic view of the enlarged A in the middle;
[0017] Figure 4 It is a three-dimensional structure schematic view of the utility model ventilation hopper;
[0018] Figure 5 It is a three-dimensional structure schematic view of the utility model pressing plate;
[0019] In the drawing: 1, box; 2, bottom plate; 3, stand column; 4, milling machine workbench; 5, hole; 6, motor; 7, suction fan blade; 8, ventilation hopper; 9, baffle; 10, frame; 11, filter screen; 12, handle; 13, fixed block; 14, movable rod; 15, spring; 16, fixed plate; 17, limiting hole; 18, support plate; 19, placing hole; 20, limiting rod; 21, moving plate; 22, pressing plate. DETAILED DESCRIPTION
[0020] The technical scheme of the patent will be further described in detail in combination with specific implementation manners.
[0021] For example, Figures 1-5The utility model provides a technical scheme: a dust collector for milling machine, including the box 1, the box 1 inside fixedly connected with motor 6, the output of motor 6 is fixedly connected with the suction fan blade 7, the box 1 top is fixedly connected with the ventilation hopper 8, the ventilation hopper 8 inside is provided with the frame 10, the frame 10 inside fixedly connected with filter screen 11, because being equipped with filter screen 11, filter screen 11 can filter dust, can prevent dust from falling into motor 6 and the suction fan blade 7, can effectively protect motor 6 and the suction fan blade 7, the frame 10 is fixedly connected with handle 12 because of being equipped with handle 12, handle 12 provides the holding point, conveniently personnel hold handle 12 and pull the frame 10, improve the operation convenience, handle 12 is the cambered surface design.
[0022] The ventilation hopper 8 is hingedly connected with two blocking plates 9, the blocking plate 9 is fixedly connected with the fixed block 13 in the inside, the movable rod 14 is slidably connected on the fixed block 13, the spring 15 is sleeved on the movable rod 14, one end of the spring 15 is fixedly connected on the moving plate 21, the other end of the spring 15 is fixedly connected on the fixed block 13, the ventilation hopper 8 is communicated with the box 1, the moving plate 21 is fixedly connected on the top of the movable rod 14, the moving plate 21 is connected with the limiting rod 20 on the top, the limiting rod 20 is designed as an inclined surface, when the inclined surface of the limiting rod 20 contacts with the fixed plate 16, the fixed plate 16 can extrude the limiting rod 20 and make the limiting rod 20 move downward.
[0023] The ventilation hopper 8 is fixedly connected with two fixed plates 16 on the front, the limiting hole 17 is formed in the fixed plate 16, the limiting rod 20 is located in the limiting hole 17, the placing hole 19 is formed in the ventilation hopper 8, the ventilation hopper 8 is fixedly connected with two supporting plates 18 in the inside, the supporting plate 18 plays a role of supporting and limiting the frame 10, improves the stability of the frame 10, the frame 10 is located on the top of the two supporting plates 18, the suction fan blade 7 is located at the bottom of the ventilation hopper 8, and the suction fan blade 7 is located in the inside of the box 1.
[0024] The ventilation hopper 8 is fixedly connected with two fixed plates 16 on the front, the limiting hole 17 is formed in the fixed plate 16, the limiting rod 20 is located in the limiting hole 17, the placing hole 19 is formed in the ventilation hopper 8, the ventilation hopper 8 is fixedly connected with two supporting plates 18 in the inside, the supporting plate 18 plays a role of supporting and limiting the frame 10, improves the stability of the frame 10, the frame 10 is located on the top of the two supporting plates 18, the suction fan blade 7 is located at the bottom of the ventilation hopper 8, and the suction fan blade 7 is located in the inside of the box 1.
[0025] The working principle of the utility model is:
[0026] When the milling machine works, the motor 6 is started to drive the suction fan blade 7 to rotate, the suction fan blade 7 will generate suction force, the dust generated during the work of the milling machine is sucked and falls into the filter screen 11 through the through hole 5 to be collected, when the filter screen 11 needs to be disassembled, first, the pressing plate 22 is pressed to drive the movable rod 14, the moving plate 21 and the limiting rod 20 to move downwards, the moving plate 21 will compress the spring 15, and at the same time, the limiting rod 20 will be separated from the inside of the limiting hole 17, so that the fixed state of the blocking plate 9 is released, at this time, the blocking plate 9 is rotated, so that the blocking plate 9 no longer blocks the frame body 10, at this time, the frame body 10 can be taken out by holding the handle 12, and the disassembly work of the frame body 10 and the filter screen 11 is completed;
[0027] When the filter screen 11 needs to be installed, first, the frame body 10 is placed into the ventilation funnel 8 through the placing hole 19, at this time, the frame body 10 will slide on the top of the supporting plate 18, and the supporting plate 18 plays a role of supporting and limiting the frame body 10, after the frame body 10 is placed into the ventilation funnel 8, the blocking plate 9 is rotated to drive the limiting rod 20 to rotate, when the inclined surface of the limiting rod 20 is in contact with the fixed plate 16, under the extrusion action of the fixed plate 16, the limiting rod 20 and the moving plate 21 move downwards, and at the same time, the moving plate 21 will compress the spring 15, when the limiting rod 20 moves to the limiting hole 17, the limiting rod 20 loses the extrusion action of the fixed plate 16, the spring 15 is reset and pushes the moving plate 21 and the limiting rod 20 to move upwards, the limiting rod 20 is inserted into the limiting hole 17 to fix the blocking plate 9, and the frame body 10 is blocked by the blocking plate 9, and the installation work of the frame body 10 and the filter screen 11 is completed.
[0028] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0029] The above describes the preferred embodiment of the present application in detail, but the present application is not limited to the above embodiment, within the knowledge range of ordinary skilled in the art, various changes can be made without departing from the purpose of the present application.
Claims
1. A dust removal device for a milling machine, comprising a housing (1), characterized in that: A motor (6) is fixedly connected inside the box (1), and a suction fan blade (7) is fixedly connected to the output end of the motor (6). A ventilation duct (8) is fixedly connected to the top of the box (1). A frame (10) is set inside the ventilation duct (8). A filter screen (11) is fixedly connected inside the frame (10). Two baffles (9) are hinged to the front of the ventilation duct (8). A fixing block (13) is fixedly connected inside the baffle (9). A movable rod (14) is slidably connected to the fixing block (13). A spring (15) is sleeved on the movable rod (14). A movable plate (21) is fixedly connected to the top of the movable rod (14). The top of the movable plate (21) is connected to a limiting rod (20), which is designed with an inclined surface. The front of the ventilation hopper (8) is fixedly connected to two fixing plates (16), and the fixing plates (16) have limiting holes (17). The limiting rod (20) is located in the limiting holes (17). The ventilation hopper (8) has a placement hole (19). The ventilation hopper (8) has two support plates (18) fixedly connected inside. The frame (10) is located on top of the two support plates (18). The top of the ventilation hopper (8) is provided with a milling machine worktable (4), which has several through holes (5).
2. The dust removal device for a milling machine according to claim 1, characterized in that: One end of the spring (15) is fixedly connected to the movable plate (21), and the other end of the spring (15) is fixedly connected to the fixed block (13). The ventilation duct (8) is connected to the box body (1).
3. A dust removal device for a milling machine according to claim 1, characterized in that: The bottom of the milling machine worktable (4) is fixedly connected to four columns (3), which are evenly distributed at the bottom of the milling machine worktable (4). The bottom ends of the four columns (3) are fixedly connected to a base plate (2).
4. A dust removal device for a milling machine according to claim 3, characterized in that: The base plate (2) is fixed to the box body (1), and the bottom end of the movable rod (14) is fixedly connected to the pressing plate (22) through the fixing block (13).
5. A dust removal device for a milling machine according to claim 1, characterized in that: A handle (12) is fixedly connected to the frame (10), and the handle (12) has an arc surface design.
6. A dust removal device for a milling machine according to claim 1, characterized in that: The suction fan blade (7) is located at the bottom of the ventilation duct (8) and inside the housing (1).