Automobile door sound-absorbing cotton test equipment
By designing a testing device for automotive door sound-absorbing cotton with multi-angle clamping and dust removal functions, the problem of single testing angle in traditional equipment has been solved, achieving comprehensive performance evaluation and environmental protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-04-07
AI Technical Summary
Traditional automotive door sound-absorbing cotton testing equipment has limited functionality and cannot adjust the tensile testing angle, resulting in overly simplistic test results that fail to fully reflect the performance of the sound-absorbing cotton in different directions.
A testing device was designed, comprising a worktable, slide rails, mounting plate, tensile tester, and clamping mechanism. Through the cooperation of slide rails and sliders, multi-angle clamping and tensile testing are achieved. A dust removal mechanism is also provided to collect dust and ensure the safety of the testing environment and personnel.
It enables multi-angle tensile testing, allowing for a more comprehensive evaluation of the sound-absorbing cotton's performance. At the same time, the dust removal mechanism effectively cleans up dust, protecting the environment and health.
Smart Images

Figure CN224095531U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to automobile sound absorbing cotton testing technical field, and specifically is a kind of automobile door sound absorbing cotton testing equipment. BACKGROUND
[0002] As an important automotive interior material, the performance of automobile door sound absorbing cotton directly affects the sound insulation effect and ride comfort of automobile, and the sound absorbing cotton is mainly made of natural minerals such as quartz sand and limestone as main raw material, through complex process, finally made into fibrous material with excellent sound absorption performance, and the sound absorbing cotton needs to be tested for tensile property during processing to ensure that it meets the requirements of automobile manufacturing.
[0003] However, the traditional testing equipment design is relatively simple, and the function is single, and only simple tensile test can be carried out on sound absorbing cotton, and this test method has obvious limitations, and the tensile test angle of sound absorbing cotton cannot be adjusted, resulting in that the test result is too single, and the tensile property of sound absorbing cotton in different directions cannot be fully reflected. Therefore, we provide a kind of automobile door sound absorbing cotton testing equipment to solve the above technical problems. UTILITY MODEL CONTENT
[0004] The utility model aims at making up for the deficiency of prior art, and provides automobile door sound absorbing cotton testing equipment.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of automobile door sound absorbing cotton testing equipment, including workbench and slide rail, the slide rail is two in total, two the slide rail is respectively symmetrically distributed in the top of workbench, the slide rail is provided with mounting plate in the top, the bottom surface of the mounting plate is fixedly connected with sliding block, the sliding block is slidably connected in the inside of slide rail, the upper surface of the mounting plate is installed with tensile detector, the side surface of the tensile detector is installed with clamping mechanism, the side surface of the mounting plate is installed with fixed assembly, the clamping mechanism includes clamping frame, the clamping frame is installed in the side surface of tensile detector, the top of the clamping frame is provided with knob one, the bottom surface of the knob one is fixedly connected with threaded column one, the lower end of the threaded column one passes through the upper surface of clamping frame and extends to the inside of clamping frame, and the threaded column one is threadedly connected with clamping frame, the lower end of the threaded column one is rotatably connected with clamping plate, the upper surface of the clamping plate is fixedly connected with two telescopic rods in total, the upper end of two the telescopic rod is fixedly connected in the inner top wall of clamping frame.
[0006] Preferably, the fixing assembly comprises a fixing frame fixedly connected to the side of the mounting plate, the side of the fixing frame is provided with a knob two, the side close to the fixing frame of the knob two is threadedly connected with a threaded column two, one end close to the side of the fixing frame of the threaded column two is arranged on the surface of the fixing frame and extends to the inside of the fixing frame, and the threaded column two is threadedly connected with the fixing frame, one end inside the fixing frame of the threaded column two is fixedly connected with a fixing pad, and the fixing pad is attached to the side of the slide rail.
[0007] Preferably, the inside of the workbench is provided with a driving mechanism, the driving mechanism comprises a hydraulic rod, the hydraulic rod is arranged in the inside of the workbench, the output end of the hydraulic rod is fixedly connected with a U-shaped connecting block, and the inside of the workbench is fixedly connected with two limiting slide rods, and the U-shaped connecting block is slidably connected to the surface of the two limiting slide rods.
[0008] Preferably, the upper surface of the workbench is provided with two through grooves, the top of the U-shaped connecting block is arranged in the inside of the two through grooves and extends above the workbench, and the two slide rails are fixedly connected to the top of the U-shaped connecting block and the upper surface of the workbench respectively.
[0009] Preferably, the upper surface of the workbench is fixedly connected with a supporting arm, the top of the supporting arm is provided with a dust removal mechanism, the dust removal mechanism comprises a collecting box fixedly connected to the upper surface of the supporting arm, a dust collector arranged on the inner top wall of the supporting arm, and a communication pipe arranged on the front of the collecting box, one end of the communication pipe away from the collecting box is arranged on the upper surface of the supporting arm and extends below the inner top wall of the supporting arm, and the other end of the communication pipe away from the collecting box is arranged on the upper surface of the dust collector.
[0010] Preferably, the front of the workbench is provided with a display, and the bottom of the workbench is fixedly connected with four supporting legs.
[0011] Beneficial effects:
[0012] Compared with the prior art, the automobile door sound-absorbing cotton testing equipment has the following beneficial effects:
[0013] Firstly, the sound-absorbing cotton can be stably clamped according to the thickness of the sound-absorbing cotton, the mounting plate can be moved to a suitable position under the action of the slide rail and the sliding block by pushing the mounting plate, the positions of the two clamping mechanisms are not on the same straight line, the stretching angle during testing is adjusted, and thus the sound-absorbing cotton can be stretched at multiple angles for testing, and the position of the mounting plate after adjustment can be quickly fixed through the cooperation of the fixing frame, the threaded column two and the fixing pad.
[0014] The utility model discloses a through the external control switch starting hydraulic rod, can drive one of slide rail to be away from another slide rail under the cooperation of U -shaped connecting block, limiting slide bar and through slot, can carry out the tension test to the sound absorption cotton clamped in the upper clamping mechanism fast and stably, because U -shaped connecting block is slidably connected on two limiting slide bars, and its movement is more stable, when sound absorption cotton breaks in the stretching process, will produce cotton fiber dust, through the external control switch starting dust collector, through the communicating pipe can inhaled the dust generated in the collection box, thereby avoiding the dust to the working environment and the health of the staff causes the influence. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is the internal structure schematic diagram of the utility model;
[0016] Fig. 2 It is the three -dimensional structure schematic diagram of the utility model;
[0017] Fig. 3 It is the structure schematic diagram of clamping mechanism of the utility model;
[0018] Fig. 4 It is the structure schematic diagram of fixed assembly of the utility model;
[0019] Fig. 5 It is the three -dimensional structure schematic diagram of drive mechanism of the utility model;
[0020] Fig. 6 It is the three -dimensional structure schematic diagram of dust collection mechanism of the utility model.
[0021] In the drawing: 1, workbench;2, slide rail;3, mounting plate;4, sliding block;5, tension detector;6, clamping mechanism;601, clamping frame;602, knob one;603, threaded column one;604, clamping plate;605, telescopic rod;7, fixed assembly;701, fixed frame;702, knob two;703, threaded column two;704, fixed pad;8, drive mechanism;801, hydraulic rod;802, U-shaped connecting block;803, limiting slide bar;9, through slot;10, support arm;11, dust removal mechanism;111, collection box;112, communicating pipe;113, dust collector;12, display;13, support leg. DETAILED DESCRIPTION
[0022] The principles and characteristics of the utility model are described below in conjunction with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.
[0023] See Figs. 1-6The utility model provides an automobile door sound absorbing cotton testing equipment, including workbench 1 and slide rail 2, and slide rail 2 has two in all. The front of workbench 1 is equipped with display 12, and the force of tension detector 5 can be displayed in real time through the cooperation of display 12, to facilitate staff to record data. The bottom of workbench 1 is fixedly connected with four support legs 13, and four support legs 13 are distributed in the bottom of workbench 1 respectively in rectangular distribution, to stably support workbench 1. Two slide rails 2 are symmetrically distributed above workbench 1, and the upper portion of slide rail 2 is provided with mounting plate 3. The bottom of mounting plate 3 is fixedly connected with sliding block 4, and sliding block 4 is slidingly connected in the inside of slide rail 2. The upper surface of mounting plate 3 is equipped with tension detector 5.
[0024] The side of tension detector 5 is equipped with clamping mechanism 6. Clamping mechanism 6 includes clamping frame 601, and clamping frame 601 is installed on the side of tension detector 5. The upper portion of clamping frame 601 is provided with knob one 602, and the bottom of knob one 602 is fixedly connected with threaded column one 603. The lower end of threaded column one 603 penetrates the upper surface of clamping frame 601 and extends to the inside of clamping frame 601, and threaded column one 603 is threadedly connected with clamping frame 601. The lower end of threaded column one 603 is rotatably connected with clamping plate 604, and the upper surface of clamping plate 604 is fixedly connected with two telescopic rods 605 in all, and the upper end of two telescopic rods 605 is fixedly connected to the inner top wall of clamping frame 601.
[0025] Slide rail 2 has two, and two slide rails 2 are arranged above workbench 1, and two slide rails 2 are symmetrically distributed, and other components installed on the upper portion of two slide rails 2 are also symmetrically distributed. By pushing mounting plate 3, sliding block 4 slides in slide rail 2, so that the positions of two clamping mechanisms 6 are not on the same straight line, so that multi-angle testing of sound absorbing cotton can be realized. Tension detector 5 can detect the force when sound absorbing cotton is stretched, and the fixed assembly can quickly fix the position of mounting plate 3 after adjustment, and sound absorbing cotton is placed in clamping frame 601. Rotating knob one 602 drives threaded column one 603 to rotate, two telescopic rods 605 are symmetrically distributed on the two sides of threaded column one 603, and clamping plate 604 moves downward under the cooperation of telescopic rod 605 until sound absorbing cotton is tightly clamped.
[0026] The side of the mounting plate 3 is provided with a fixing assembly 7, the fixing assembly 7 comprises a fixing frame 701 fixedly connected to the side of the mounting plate 3. The side of the fixing frame 701 is provided with a knob two 702, the side close to the fixing frame 701 of the knob two 702 is threadedly connected with a threaded column two 703. The end close to the side of the fixing frame 701 of the threaded column two 703 is arranged on the surface of the fixing frame 701 and extends to the inside of the fixing frame 701, and the threaded column two 703 is threadedly connected with the fixing frame 701. The end inside the fixing frame 701 of the threaded column two 703 is fixedly connected with a fixing pad 704, and the fixing pad 704 is in close contact with the side of the slide rail 2. By rotating the knob two 702, the threaded column two 703 can be driven to rotate, so that the fixing pad 704 can be driven to be close to the slide rail 2, and the adjusted position of the mounting plate 3 is quickly fixed.
[0027] The inside of the workbench 1 is provided with a driving mechanism 8, the driving mechanism 8 comprises a hydraulic rod 801, the hydraulic rod 801 is installed in the inside of the workbench 1, and the output end of the hydraulic rod 801 is fixedly connected with a U-shaped connecting block 802. Two limiting slide rods 803 are fixedly connected in the inside of the workbench 1, and the U-shaped connecting block 802 is slidably connected to the surfaces of the two limiting slide rods 803. The driving mechanism 8 is started by an external control switch, the two limiting slide rods 803 are symmetrically distributed on the two sides of the hydraulic rod 801, and the U-shaped connecting block 802 is limited and guided. The hydraulic rod 801 is started by an external control switch, and the output end of the hydraulic rod 801 drives the U-shaped connecting block 802 to move along the limiting slide rod 803.
[0028] The upper surface of the workbench 1 is provided with two through grooves 9, the top of the U-shaped connecting block 802 is arranged in the inside of the two through grooves 9 and extends to the upper side of the workbench 1, and the two slide rails 2 are fixedly connected to the top of the U-shaped connecting block 802 and the upper surface of the workbench 1. When the U-shaped connecting block 802 moves, the slide rail 2 fixedly connected with the U-shaped connecting block 802, the mounting plate 3, the tension detector 5 and the clamping mechanism 6 on the slide rail 2 can be driven to move through the through groove 9.
[0029] The upper surface of the workbench 1 is fixedly connected with a support arm 10, the top of the support arm 10 is provided with a dust removal mechanism 11, the dust removal mechanism 11 comprises a collecting box 111, the collecting box 111 is fixedly connected to the upper surface of the support arm 10, and the inner top wall of the support arm 10 is provided with a dust collector 113. The front surface of the collecting box 111 is provided with a communication pipe 112, one end of the communication pipe 112 away from the collecting box 111 is arranged on the upper surface of the support arm 10 and extends below the inner top wall of the support arm 10, and the other end of the communication pipe 112 away from the collecting box 111 is arranged on the upper surface of the dust collector 113. The dust removal mechanism 11 is arranged on the top of the support arm, and is started through an external control switch; the dust collector 113 is started through the external control switch; the cotton fiber dust generated when the sound-absorbing cotton is broken during stretching can be sucked into the collecting box 111 through the communication pipe 112, so that the influence of the dust on the working environment and the health of workers is avoided.
[0030] Working principle: when the device is used, the hydraulic rod 801 is started through an external control switch, the U-shaped connecting block 802 is reasonably adjusted in distance of the clamping mechanism 6 through the through groove 9 according to the size of the sound-absorbing cotton under the limiting action of the limiting slide rod 803. Then the sound-absorbing cotton is placed in the clamping frame 601, the threaded column one 603 is rotated by rotating the knob one 602, and the clamping plate 604 is moved downward under the cooperation of the telescopic rod 605 until the sound-absorbing cotton is clamped tightly. The sliding block 4 is slid in the slide rail 2 by pushing the mounting plate 3, so that the positions of the two clamping mechanisms 6 are not on the same straight line, thereby adjusting the angle of the sound-absorbing cotton clamped in the clamping mechanism 6. The threaded column two 703 is rotated by rotating the knob two 702, and the adjusted position of the mounting plate 3 is quickly fixed through the fixing pad 704. Then the hydraulic rod 801 is started through an external control switch, the output end of the hydraulic rod 801 pushes the U-shaped connecting block 802 to move along the limiting slide rod 803, the slide rail 2, the mounting plate 3, the tension detector 5 and the clamping mechanism 6 on the slide rail 2 and the mounting plate 3 fixedly connected with the U-shaped connecting block 802 are moved through the through groove 9, the sound-absorbing cotton is detected by stretching, the tension value of the tension detector 5 is displayed through the display 12, and the cotton fiber dust generated when the sound-absorbing cotton is broken during stretching is sucked into the collecting box 111 through the communication pipe 112 by starting the dust collector 113 through an external control switch.
[0031] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A testing device for sound-absorbing cotton in automobile doors, comprising a workbench (1) and a slide rail (2), characterized in that: There are two slide rails (2), which are distributed above the workbench (1). A mounting plate (3) is provided above the slide rails (2). A slider (4) is fixedly connected to the bottom surface of the mounting plate (3). The slider (4) is slidably connected inside the slide rail (2). A tension detector (5) is installed on the upper surface of the mounting plate (3). A clamping mechanism (6) is installed on the side of the tension detector (5). A fixing component (7) is installed on the side of the mounting plate (3). The clamping mechanism (6) includes a clamping frame (601). The clamping frame (601) is installed on the side of the tension detector (5). A knob (602) is provided above the clamping frame (601). A threaded post (603) is fixedly connected to the bottom surface of the knob (602). The lower end of the threaded post (603) passes through the upper surface of the clamping frame (601) and extends into the interior of the clamping frame (601). The threaded post (603) is threadedly connected to the clamping frame (601). A clamping plate (604) is rotatably connected to the lower end of the threaded post (603). Two telescopic rods (605) are fixedly connected to the upper surface of the clamping plate (604). The upper ends of the two telescopic rods (605) are fixedly connected to the inner top wall of the clamping frame (601).
2. The automotive door sound-absorbing cotton testing device according to claim 1, characterized in that: The fixing component (7) includes a fixing frame (701), which is fixedly connected to the side of the mounting plate (3). A knob (702) is provided on the side of the fixing frame (701), and a threaded post (703) is threadedly connected to the side of the knob (702) near the fixing frame (701).
3. The automotive door sound-absorbing cotton testing device according to claim 1, characterized in that: The workbench (1) is equipped with a drive mechanism (8), which includes a hydraulic rod (801). The hydraulic rod (801) is installed inside the workbench (1). The output end of the hydraulic rod (801) is fixedly connected to a U-shaped connecting block (802). The workbench (1) is fixedly connected to two limiting slide rods (803). The U-shaped connecting block (802) is slidably connected to the surfaces of the two limiting slide rods (803).
4. The automotive door sound-absorbing cotton testing device according to claim 3, characterized in that: The upper surface of the workbench (1) has two through slots (9), and the top of the U-shaped connecting block (802) passes through the inside of the two through slots (9) and extends to the top of the workbench (1).
5. The automotive door sound-absorbing cotton testing device according to claim 1, characterized in that: A support arm (10) is fixedly connected to the upper surface of the workbench (1). A dust removal mechanism (11) is installed on the top of the support arm (10). The dust removal mechanism (11) includes a collection box (111). The collection box (111) is fixedly connected to the upper surface of the support arm (10). A dust collector (113) is installed on the inner top wall of the support arm (10).
6. The automotive door sound-absorbing cotton testing device according to claim 1, characterized in that: The workbench (1) has a display (12) mounted on its front side, and four support legs (13) are fixedly connected to the bottom surface of the workbench (1).
7. The automotive door sound-absorbing cotton testing device according to claim 2, characterized in that: The threaded post 2 (703) has one end near the side of the fixed frame (701) that passes through the surface of the fixed frame (701) and extends to the inside of the fixed frame (701), and the threaded post 2 (703) is threadedly connected to the fixed frame (701).
8. The automotive door sound-absorbing cotton testing device according to claim 7, characterized in that: The threaded post 2 (703) is fixedly connected to a fixing pad (704) at one end inside the fixing frame (701), and the fixing pad (704) is in contact with the side of the slide rail (2).
9. The automotive door sound-absorbing cotton testing device according to claim 5, characterized in that: A connecting pipe (112) is installed on the front of the collection box (111). One end of the connecting pipe (112) away from the collection box (111) passes through the upper surface of the support arm (10), and the other end of the connecting pipe (112) away from the collection box (111) is installed on the upper surface of the dust collector (113).