A burr grinding device for air duct accessories
By designing a burr grinding device for air duct accessories including a power telescopic arm structure and a universal deburring structure, the problem of difficult to polish the bent parts of the air duct accessories is solved, and efficient burr removal and polishing effect are improved.
Patent Information
- Application Number
- CN202323609171.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2033-12-28
AI Technical Summary
The bent parts of the pipe inside the air duct accessories are difficult to efficiently polish, and the prior art cannot effectively remove burrs.
A burr grinding device for air duct accessories is designed, including a base plate, a power telescopic arm structure, a universal deburr structure and a foot structure. The power telescopic arm structure uses a hinged connecting frame and a drive motor to drive the universal deburring structure to polish the inner wall of the air duct accessories. The universal deburring structure adopts a combination of connecting shaft, cross shaft and central shaft, and the outer sleeve is equipped with friction structure and sandpaper to ensure effective polishing of the bent parts.
It realizes efficient grinding of the bent parts of the air duct accessories, removes burrs, improves the grinding effect, and facilitates folding and storage of the device and height adjustment through the design of the articulated structure and support structure.
Smart Images

Figure CN222741016U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air duct grinding, in particular to a burr grinding device for air duct accessories. Background Art
[0002] The air duct is a piping system used for air delivery and distribution. There are two types: composite air duct and inorganic air duct. It can be classified according to the cross-sectional shape and material. The production of stainless steel air duct is to apply sealant (such as neutral glass glue) to the gaps such as the bite seam, rivet seam, and flange corners. The surface dust and oil should be removed before applying the sealant. According to the cross-sectional shape, the air duct can be divided into circular air duct, rectangular air duct, oblate air duct and other types. Among them, the circular air duct has the smallest resistance but the largest height dimension and is complex to produce. Therefore, rectangular air duct is mainly used. According to the material, the air duct can be divided into metal air duct, composite air duct, polymer air duct.
[0003] Duct fittings refer to elbows, tees, crosses, various reducers and special-shaped pipes, guide vanes and flanges in the duct system. The pipes inside special-shaped duct fittings are often bent and difficult to grind, so there is an urgent need for a burr grinding device for duct fittings that is easy to grind and has better grinding effects. Utility Model Content
[0004] The utility model aims to provide a burr grinding device for air duct accessories to solve the above-mentioned problem and achieve the purpose of convenient grinding and better grinding effect.
[0005] To achieve the above purpose, the utility model provides the following solutions:
[0006] A burr grinding device for air duct accessories comprises a bottom plate, one end of a power telescopic arm structure is symmetrically hinged on both sides of the top surface of the bottom plate, the other ends of the two power telescopic arm structures are detachably connected to the same universal deburring structure, the power telescopic arm structure is electrically connected to a controller, and the controller is fixed to the top surface of the bottom plate;
[0007] Support plates are symmetrically fixed on both sides of the bottom surface of the bottom plate, the width of the support plates is greater than the width of the bottom plate, and the ends of the support plates extending out of the bottom surface of the bottom plate are detachably connected with support leg structures.
[0008] Preferably, the power telescopic arm structure includes an articulated connecting frame, one end of the articulated connecting frame is hinged to the top surface of the base plate, the other end of the articulated connecting frame is axially connected to a drive motor, the output end of the drive motor is axially connected to a sleeve, a telescopic rod is slidably connected inside the sleeve, the telescopic rod is coaxially arranged with the sleeve, and the ends of the two telescopic rods away from the sleeve are detachably connected to the same universal deburring structure.
[0009] Preferably, the universal deburring structure includes a connecting shaft, which is detachably connected to the end of the telescopic rod away from the sleeve, the connecting shaft is rotatably connected to two shafts of a cross shaft away from the telescopic rod, the other two shafts of the cross shaft are rotatably connected to the center shaft, and the outer side of the center shaft is provided with a friction structure.
[0010] Preferably, the friction structure comprises a mounting sleeve, the mounting sleeve is arranged on the outside of the central axis, and sandpaper is bonded to the outside of the mounting sleeve.
[0011] Preferably, an end of the telescopic rod away from the sleeve is provided with an external thread, and an end of the connecting shaft away from the cross shaft is provided with an internal thread, and the external thread is threadably connected to the internal thread.
[0012] Preferably, the support leg structure comprises a threaded rod, the threaded rod is threadedly connected to the support plate, a handle is threadedly connected to the top end of the threaded rod, and a support leg plate is fixedly connected to the bottom end of the threaded rod.
[0013] Preferably, the controller is provided with a control switch.
[0014] Compared with the prior art, the utility model has the following advantages and technical effects:
[0015] When the utility model is in use, the air duct fitting to be polished is sleeved on the outside of the universal deburring structure, and the controller is turned on to operate the power telescopic arm structure to drive the universal deburring structure to polish the inner wall of the air duct fitting. The utility model utilizes a hinged structure, and the components can be folded up when not in use for easy storage. The universal deburring structure is used to facilitate polishing the bent part of the pipe inside the air duct fitting, and the support foot structure can be used to adjust the height of the bottom plate. The utility model utilizes these structures to realize a duct fitting burr polishing device that is convenient for polishing and has a better polishing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the structure of the utility model when in use;
[0019] Figure 3An exploded schematic diagram of the universal deburring structure;
[0020] Figure 4 It is a schematic diagram of the structural disassembly of the utility model.
[0021] Figure numerals: 1. base plate; 2. controller; 3. power telescopic arm structure; 4. switch; 5. universal deburring structure; 6. support leg structure; 301. drive motor; 302. sleeve; 303. telescopic rod; 501. connecting shaft; 502. cross shaft; 503. center shaft; 504. mounting sleeve; 505. grinding sandpaper; 601. threaded rod; 602. support leg; 603. handle. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0024] Reference Figure 1-4 As shown, the utility model provides a burr grinding device for air duct accessories, comprising a bottom plate 1, one end of a power telescopic arm structure 3 is symmetrically hinged on both sides of the top surface of the bottom plate 1, and the other ends of the two power telescopic arm structures 3 are detachably connected to the same universal deburring structure 5, the power telescopic arm structure 3 is electrically connected to a controller 2, and the controller 2 is fixed to the top surface of the bottom plate 1;
[0025] Support plates are symmetrically fixed to both sides of the bottom surface of the bottom plate 1. The width of the support plates is greater than the width of the bottom plate 1. The ends of the support plates extending out of the bottom surface of the bottom plate 1 are detachably connected to the support leg structures 6.
[0026] When in use, the air duct fittings to be polished are placed on the outside of the universal deburring structure 5, and the controller 2 is turned on to operate the power telescopic arm structure 3 to drive the universal deburring structure 5 to polish the inner wall of the air duct fittings. The hinged structure allows the components to be folded up when not in use for easy storage. The universal deburring structure 5 makes it easy to polish the bent parts of the pipes inside the air duct fittings. The support leg structure 6 can be used to adjust the height of the base plate 1.
[0027] A further optimized solution is that the power telescopic arm structure 3 includes an articulated connecting frame, one end of the articulated connecting frame is hinged to the top surface of the base plate 1, the other end of the articulated connecting frame is axially connected to a drive motor 301, the output end of the drive motor 301 is axially connected to a sleeve 302, a telescopic rod 303 is slidably connected inside the sleeve 302, the telescopic rod 303 is coaxially arranged with the sleeve 302, and the ends of the two telescopic rods 303 away from the sleeve 302 are detachably connected to the same universal deburring structure 5.
[0028] The universal deburring structure 5 is detachably connected to the telescopic rod 303 , and the universal deburring structure 5 of corresponding size can be replaced according to the size of the air duct fitting to be polished.
[0029] A further optimized solution is that the universal deburring structure 5 includes a connecting shaft 501, which is detachably connected to the end of the telescopic rod 303 away from the sleeve 302, and the connecting shaft 501 is rotatably connected to two axes of the cross shaft 502 away from the telescopic rod 303, and the other two axes of the cross shaft 502 are rotatably connected to the central shaft 503, and the outer side of the central shaft 503 is provided with a friction structure.
[0030] According to a further optimized solution, the friction structure includes a mounting sleeve 504 , which is sleeved on the outside of the central axis 503 , and a grinding sandpaper 505 is bonded to the outside of the mounting sleeve 504 .
[0031] The grinding sandpaper 505 is bonded to facilitate replacement of the grinding sandpaper 505 so as to achieve a better grinding effect.
[0032] This structure makes it easier to grind the bent portion of the pipe inside the air duct fitting, thereby enhancing the grinding effect.
[0033] According to a further optimized solution, an end of the telescopic rod 303 away from the sleeve 302 is provided with an external thread, and an end of the connecting shaft 501 away from the cross shaft 502 is provided with an internal thread, and the external thread is threadably connected to the internal thread.
[0034] According to a further optimized solution, the support leg structure 6 includes a threaded rod 601 , which is threadedly connected to the support plate, a handle 603 is threadedly connected to the top of the threaded rod 601 , and a support leg piece 602 is fixedly connected to the bottom of the threaded rod 601 .
[0035] The threaded rod 601 is threadably connected to the handle 603 , so as to facilitate adjustment of the height of the base plate 1 .
[0036] According to a further optimization scheme, a control switch 4 is provided on the controller 2 .
[0037] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0038] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A burr grinding device for air duct accessories, characterized in that: It comprises a base plate (1), one end of a power telescopic arm structure (3) is symmetrically hinged on both sides of the top surface of the base plate (1), the other ends of the two power telescopic arm structures (3) are detachably connected to the same universal deburring structure (5), the power telescopic arm structure (3) is electrically connected to a controller (2), and the controller (2) is fixed to the top surface of the base plate (1); Support plates are symmetrically fixedly connected to both sides of the bottom surface of the bottom plate (1); the width of the support plates is greater than the width of the bottom plate (1); and the ends of the support plates extending out of the bottom surface of the bottom plate (1) are detachably connected to support leg structures (6).
2. The burr grinding device for air duct accessories according to claim 1, characterized in that: The power telescopic arm structure (3) comprises an articulated connection frame, one end of the articulated connection frame is articulated to the top surface of the base plate (1), the other end of the articulated connection frame is axially connected to a driving motor (301), the output end of the driving motor (301) is axially connected to a sleeve (302), a telescopic rod (303) is slidably connected inside the sleeve (302), the telescopic rod (303) is coaxially arranged with the sleeve (302), and the ends of the two telescopic rods (303) away from the sleeve (302) are detachably connected to the same universal deburring structure (5).
3. The burr grinding device for air duct accessories according to claim 2 is characterized in that: The universal deburring structure (5) comprises a connecting shaft (501), wherein the connecting shaft (501) is detachably connected to one end of the telescopic rod (303) away from the sleeve (302), wherein the connecting shaft (501) is rotatably connected to two shafts of a cross shaft (502) away from the telescopic rod (303), wherein the other two shafts of the cross shaft (502) are rotatably connected to a central shaft (503), and a friction structure is provided on the outer side of the central shaft (503).
4. The burr grinding device for air duct accessories according to claim 3 is characterized in that: The friction structure comprises a mounting sleeve (504), wherein the mounting sleeve (504) is sleeved on the outside of the central axis (503), and a grinding sandpaper (505) is bonded to the outside of the mounting sleeve (504).
5. The burr grinding device for air duct accessories according to claim 3 is characterized in that: An end of the telescopic rod (303) away from the sleeve (302) is provided with an external thread, and an end of the connecting shaft (501) away from the cross shaft (502) is provided with an internal thread, and the external thread is threadably connected to the internal thread.
6. The burr grinding device for air duct accessories according to claim 1, characterized in that: The support leg structure (6) comprises a threaded rod (601), the threaded rod (601) is threadedly connected to the support plate, the top end of the threaded rod (601) is threadedly connected to a handle (603), and the bottom end of the threaded rod (601) is fixedly connected to a support leg sheet (602).
7. The burr grinding device for air duct accessories according to claim 1, characterized in that: The controller (2) is provided with a control switch (4).