Sweeper dust collection air pipe test tool
By using precise positioning of the contoured arc groove and pressing components and servo electric cylinder drive, the problems of inaccurate positioning, poor sealing and low efficiency in the dust collection duct testing of sweepers are solved, realizing efficient and automated airtightness testing.
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
Existing methods for testing the air tightness of dust collection ducts in sweepers suffer from inaccurate positioning, poor sealing, and low efficiency, making it difficult to achieve automated batch testing.
A testing fixture for the dust collection duct of a sweeper was designed. It uses a contoured arc groove and a pressing component for precise positioning, and combines a limit block driven by a servo electric cylinder and a linear drive mechanism to achieve rapid airtight docking. It is equipped with an air pressure adjustment and detection module and supports positive/negative pressure testing.
It achieves precise positioning and stable pressing of dust collection ducts, improves the accuracy and efficiency of airtightness testing, adapts to the rapid replacement of different duct models, avoids weld interference, and supports automated batch testing.
Smart Images
Figure CN224051538U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a floor sweeping robot production test equipment technical field, especially a kind of floor sweeping machine dust collection wind pipe test tool. BACKGROUND
[0002] The dust collection wind pipe of floor sweeping robot usually adopts curved duct structure, for connecting fan and dust collection box, and its air tightness and structural strength directly affect dust collection efficiency. However, the existing dust collection wind pipe air tightness detection method is mostly manual plugging pipe opening and applying air pressure, which has the following problems:
[0003] Positioning error: curved wind pipe is difficult to be stably fixed, resulting in large test error;
[0004] Poor sealing: manual plugging is easy to leak, affecting detection accuracy;
[0005] Low efficiency: rely on manual operation, and cannot realize automatic batch testing.
[0006] Therefore, in view of the deficiencies of the prior art, it is necessary to design a floor sweeping machine dust collection wind pipe test tool to solve the above problems.
[0007] It should be noted that the above introduction to the technical background is only to facilitate the clear and complete description of the technical scheme of the utility model, and to facilitate the understanding of the skilled in the art, and the above content cannot be considered as known by the skilled in the art because the above content is described in the background of the utility model. UTILITY MODEL CONTENT
[0008] In order to overcome the deficiencies in the prior art, the utility model aims at disclosing a floor sweeping machine dust collection wind pipe test tool, which solves the problems of inaccurate positioning, poor sealing and low efficiency in the detection of existing dust collection wind pipe.
[0009] The utility model discloses a floor sweeping machine dust collection wind pipe test tool, which comprises a test table;
[0010] The test table is provided with a positioning base, and the upper surface of the positioning base is provided with a profiling arc groove matched with the outer contour of the dust collection wind pipe, so as to ensure accurate positioning of the dust collection wind pipe.
[0011] A pressing assembly is arranged above the profiling arc groove, and the pressing assembly comprises a vertically arranged pressing driving mechanism, and the output end of the pressing driving mechanism is fixed with a pressing plate, and the lower end of the pressing plate is provided with a limiting pressing block corresponding to the corner of the profiling arc groove, so as to ensure the stability of the pressing force on the dust collection wind pipe by rigid pressing, and the pressing at the corner can avoid the overturning of the dust collection wind pipe.
[0012] The two ends of the profiled arc groove are respectively provided with sealing plugs, the sealing plugs are connected with the test table through linear driving mechanisms, and the extension axes of the linear driving mechanisms are collinear with the opening axes of the profiled arc groove, so that the sealing plugs can be accurately connected with the ports of the dust collecting air pipe and sealing is completed.
[0013] The sealing plug is internally provided with a pressure regulating air channel, the pressure regulating air channel is connected with a gas pressure regulating device and a pressure detection module, and is provided with an air path control valve, so that the gas pressure inside the dust collecting air pipe can be regulated and detected, and a closed environment is formed in the dust collecting air pipe.
[0014] Preferably, the depth of the profiled arc groove is smaller than the radius of the dust collecting air pipe, so that the dust collecting air pipe can be conveniently taken out and placed, and the welding seam on the dust collecting air pipe does not affect the placement precision.
[0015] Preferably, the pressure pressing driving mechanism adopts a servo electric cylinder to realize accurate pressure control and displacement adjustment.
[0016] Preferably, the limiting pressure block is integrated with a pressure sensor, which is used for real-time monitoring of the pressing pressure.
[0017] Preferably, the front end of the sealing plug is provided with an annular sealing ring, and the material of the annular sealing ring is elastic silica gel or rubber, so as to ensure the airtight contact with the end of the dust collecting air pipe.
[0018] Preferably, the linear driving mechanism is one of a pneumatic cylinder, an electric cylinder or an oil cylinder, which is used for pushing the plug to realize automatic sealing.
[0019] Preferably, the two sides of the profiled arc groove are provided with U-shaped taking and placing avoiding grooves, so as to facilitate the placement and taking out of the dust collecting air pipe.
[0020] Preferably, the positioning base and the test table are detachably connected, so that different specifications of the positioning base can be replaced to adapt to different types of air pipe tests.
[0021] Preferably, the limiting pressure block and the pressing plate are detachably connected, so that different shapes of the pressure block can be replaced to adapt to different air pipe structures.
[0022] Preferably, the gas pressure regulating device is an air extraction device or an air charging device, which is used for regulating the gas pressure inside the air pipe to perform the airtightness test.
[0023] Due to the use of the above technical scheme, the utility model has the beneficial effects compared with the prior art as follows:
[0024] 1) The profiled arc groove matches the outer contour of the dust collecting air pipe, ensures accurate positioning, and avoids interference of the welding seam by depth optimization (depth < radius of the dust collecting air pipe).
[0025] 2) The corner of the dust collecting air pipe is rigidly pressed by a limiting pressing block driven by a servo cylinder, so that displacement or overturning of the dust collecting air pipe is prevented, and the pressing stability is improved.
[0026] 3) The linear driving mechanism pushes the sealing plug with a sealing ring, so that rapid airtight butt joint with the dust collecting air pipe is realized.
[0027] 4) Positive / negative pressure detection is supported, the positioning base and the pressing block can be quickly replaced, and the test of different models of dust collecting air pipes is adapted. BRIEF DESCRIPTION OF DRAWINGS
[0028] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art of the present application, the drawings needed in the description of the specific embodiments or the prior art will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0029] Figure 1 It is a structural schematic view of the dust collecting air pipe testing tool of the sweeping machine.
[0030] Figure 2 It is a structural schematic view of the positioning base in the present application.
[0031] Figure 3 It is a structural schematic view of the pressing assembly in the present application.
[0032] Figure 4 It is a structural schematic view of the sealing plug in the present application.
[0033] In the above drawings, 1, test table; 2, positioning base; 21, profiling arc groove; 22, U-shaped taking and placing avoiding groove; 3, pressing assembly; 31, pressing driving mechanism; 32, pressing plate; 33, limiting pressing block; 4, sealing plug; 41, pressure regulating air channel; 42, annular sealing ring; 5, linear driving mechanism; 6, dust collecting air pipe. DETAILED DESCRIPTION
[0034] The embodiments of the present application will be described below by specific examples. Those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the present specification.
[0035] It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application and the above drawings are intended to distinguish similar objects and are not necessarily used to describe a particular sequence or order, unless otherwise specified herein. It will be understood that the data thus used in the description and the claims are interchangeable under appropriate circumstances to describe the embodiments of the application herein. In addition, the terms "comprising" and "having" and their synonyms, are intended to cover non-exclusive inclusion, for example, a process, method, system, product or apparatus that includes a list of steps or units is not necessarily limited to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to such processes, methods, products or apparatus.
[0036] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.
[0037] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.
[0038] In addition, the terms "mounting", "setting", "providing", "connecting", "connecting", "sleeving", "fitting" should be broadly understood. For example, "connection" can be fixed connection, detachable connection, or integral structure; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For example, "fitting" can be complete fitting or partial fitting. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0039] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
[0040] Embodiment:
[0041] As Figure 1As shown, the utility model discloses a kind of dust collector of floor cleaning machine wind pipe test tool, including test table 1, positioning base 2, compression assembly 3, sealing plug 4 and linear drive mechanism 5, below will be described to the main components of above-mentioned utility model specifically:
[0042] As Figure 1 Shown, test table 1 adopts metal frame structure, surface lays anti-static platform, ensure test stability.
[0043] As Figure 1 And Figure 2 Shown, positioning base 2 is detachably fixed on test table 1 by bolt, its upper surface is processed with the profiled arc groove 21 matched with the outer contour of dust collection wind pipe 6 to be measured, depth is 80% of dust collection wind pipe 6 radius, both sides are equipped with U-shaped taking and placing avoidance groove 22, and dust collection wind pipe is facilitated to be taken and placed quickly.
[0044] As Figure 1 、 Figure 2 And Figure 3 Shown, compression assembly 3 is arranged above profiled arc groove 21, including vertically arranged compression drive mechanism 31, the output end of compression drive mechanism 31 is fixed with pressing plate 32, and the lower end of pressing plate 32 is equipped with the limiting pressure block 33 corresponding with the corner of profiled arc groove 21.
[0045] As Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Shown, sealing plug 4 is arranged at the opening of profiled arc groove 21 respectively, sealing plug 4 is connected with test table 1 by linear drive mechanism 5, and the telescopic axis of linear drive mechanism 5 is collinear with the opening axis of profiled arc groove 21;Sealing plug 4 is equipped with pressure regulating air channel 41 inside, pressure regulating air channel 41 is connected with air pressure adjusting device and pressure detection module, and is equipped with gas path control valve;The front end of sealing plug 4 is equipped with annular sealing ring 42, and the material of annular sealing ring 42 is elastic silica gel or rubber.
[0046] Reference Figure 1 、 Figure 2 、 Figure 3 And Figure 4 As shown in the utility model, the use method and principle are as follows:
[0047] Step one: the dust collection wind pipe 6 to be measured is placed in profiled arc groove 21, to ensure that its bending part is completely attached with groove body;
[0048] Step two: start compression drive mechanism 31, drive pressing plate 32 to press down, and limiting pressure block 33 contacts the corner of dust collection wind pipe 6 and applies pre-tightening force.
[0049] Step three: the two straight line driving mechanisms 5 synchronously push the sealing plug 4 to compress the air pipe port, and the annular sealing ring 42 is compressed to achieve airtight sealing. The elastic annular sealing ring 42 generates radial deformation compensation during air pressure testing, avoiding the problem of loose sealing caused by size and positioning deviation of the dust collecting air pipe 6.
[0050] Step four: the air path control valve is switched to the inflation device, the pressure in the pressure regulating air duct 41 is increased to 15kPa, the pressure is maintained for 5-8s, and the pressure detection module monitors whether the pressure change is out of standard.
[0051] As shown in Figure 1 and Figure 3 , the compression driving mechanism 31 adopts a servo cylinder, which accurately controls the lifting stroke, improves the measurement accuracy and stability.
[0052] As shown in Figure 1 and Figure 3 , the limiting pressure block 33 is integrated with a pressure sensor, which is used for detecting the compression force of the limiting pressure block 33 on the dust collecting air pipe 6, avoiding shaking or being pressed of the integrated air pipe 6.
[0053] As shown in Figure 1 , the straight line driving mechanism 5 is one of a gas cylinder, an electric cylinder or an oil cylinder.
[0054] As shown in Figure 1 , Figure 2 and Figure 3 , the positioning base 2 and the test table 1 are detachably connected; the limiting pressure block 33 and the pressing plate 32 are detachably connected, which facilitates replacement according to different models of dust collecting air pipes 6, and improves the application range.
[0055] As shown in Figure 1 and Figure 4 , the air pressure adjusting device can also be a gas suction device.
[0056] The utility model discloses a dust collecting air pipe testing tool of sweeper, adopts the accurate positioning of profiled arc groove, and the limiting pressure block of servo cylinder drive ensures the stability of compression, and realizes quick airtight butt joint through the straight line driving mechanism and pushes the sealing plug.
[0057] It should be pointed out finally that the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the person skilled in the art, it still can modify the technical scheme recorded in foregoing each embodiment, or equivalent replacement is carried out to part technical features, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be contained in the protection scope of the utility model.
Claims
1. A testing fixture for dust collection ducts of a sweeper, comprising a test bench (1), characterized in that: The test bench (1) is provided with a positioning base (2), and the upper surface of the positioning base (2) is provided with a contoured arc groove (21) that matches the outer contour of the dust collection duct. A pressing assembly (3) is provided above the contoured arc groove (21). The pressing assembly (3) includes a vertically arranged pressing drive mechanism (31). A pressure plate (32) is fixed at the output end of the pressing drive mechanism (31). A limiting pressure block (33) corresponding to the corner of the contoured arc groove (21) is provided at the lower end of the pressure plate (32). The two ends of the contoured arc groove (21) are respectively provided with sealing plugs (4). The sealing plugs (4) are connected to the test bench (1) through a linear drive mechanism (5), and the extension axis of the linear drive mechanism (5) is collinear with the opening axis of the contoured arc groove (21). The sealing plug (4) is provided with a pressure regulating air passage (41), which is connected to a pressure regulating device and a pressure detection module, and is provided with an air path control valve.
2. The dust collection duct testing fixture for a sweeper according to claim 1, characterized in that: The depth of the contoured arc groove (21) is less than the radius of the dust collection duct.
3. The dust collection duct testing fixture for a sweeper according to claim 1, characterized in that: The pressing drive mechanism (31) adopts a servo electric cylinder.
4. The dust collection duct testing fixture for a sweeper according to claim 1, characterized in that: The limiting block (33) is equipped with a pressure sensor.
5. The dust collection duct testing fixture for a sweeper according to claim 1, characterized in that: The front end of the sealing plug (4) is provided with an annular sealing ring (42), and the annular sealing ring (42) is made of elastic silicone or rubber.
6. The dust collection duct testing fixture for a sweeper according to claim 1, characterized in that: The linear drive mechanism (5) is one of a pneumatic cylinder, an electric cylinder, or a hydraulic cylinder.
7. The dust collection duct testing fixture for a sweeper according to claim 1, characterized in that: The contoured arc groove (21) is provided with U-shaped pick-up and put-down clearance grooves (22) on both sides.
8. The dust collection duct testing fixture for a sweeper according to claim 1, characterized in that: The positioning base (2) and the test bench (1) are detachably connected.
9. A testing fixture for dust collection ducts of a sweeper according to claim 1, characterized in that: The limiting block (33) and the pressure plate (32) are detachably connected.
10. A testing fixture for dust collection ducts of a sweeper according to claim 1, characterized in that: The air pressure regulating device is an air extraction device or an air inflation device.