Falling ball experiment device for automotive trim

Abstract

The utility model discloses an automotive trim falling ball experiment device, which relates to the technical field of falling ball impact testing machines and comprises an experiment table, the rear end of the experiment table is fixedly connected with an electric push rod, the top end of the electric push rod is fixedly connected with a falling ball mechanism, and the front side of the lower surface of the falling ball mechanism is fixedly connected with a telescopic cylinder cover. And a fixing mechanism is arranged at the top of the experiment table. According to the utility model, when a ball falling experiment is carried out on an automotive trim panel, a steel ball is placed on a sliding baffle in a ball falling hole, and a first motor is started to drive a first screw to rotate and drive a threaded sliding plate to rotate, so that a sliding pull plate can be pushed to slide through a push rod; according to the technical scheme, the sliding baffle slides away from the bottom of the steel ball, the steel ball can automatically fall down, and the impact strength of the automobile interior trim panel can be tested by impacting the automobile interior trim panel, so that the testing of the automobile interior trim panel is more convenient, and potential safety hazards are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of ball drop impact testing machines, and particularly relates to a ball drop test device for automobile interiors. Background Art

[0002] Before the whole vehicle of an automobile leaves the factory, ride tests and performance tests of each component need to be carried out. Among them, for automobile interiors, an impact resistance strength test must be carried out through a ball drop impact testing machine, that is, a steel ball of a specified weight is freely dropped from a specified drop height onto the automobile interior to impact the automobile interior, and then the appearance and various performances of the automobile interior are checked.

[0003] The following problems exist in the prior art:

[0004] When the existing ball drop test device for automobile interiors is in use, it is necessary to manually control the dropping of the steel ball, which is very inconvenient to operate and has certain safety hazards. At the same time, when the existing ball drop test device for automobile interiors is conducting an experiment, it is not convenient to fix the automobile interior panel, so that the automobile interior panel is prone to displacement during the experiment, which will affect the experimental effect of the automobile interior panel and is not conducive to the use of the ball drop test device for automobile interiors. Summary of the Utility Model

[0005] The utility model provides a ball drop test device for automobile interiors to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A ball drop test device for automobile interiors includes a test bench. A telescopic electric push rod is fixedly connected to the rear end of the test bench. The top end of the telescopic electric push rod is fixedly connected with a ball dropping mechanism. A telescopic cylinder cover is fixedly connected to the front side of the lower surface of the ball dropping mechanism. A fixing mechanism is arranged on the top of the test bench.

[0008] The ball dropping mechanism includes a connecting plate. The connecting plate is fixedly connected to the top end of the electric push rod. A vertically penetrating ball dropping hole is formed in the front side of the connecting plate. A sliding groove one is formed in the center of the connecting plate. A first motor is fixedly connected to the middle of the rear surface of the sliding groove one. The output shaft of the first motor is fixedly connected with a first screw rod. A threaded sliding plate is threadedly connected to the outer surface of the first screw rod. The threaded sliding plate is slidably connected inside the sliding groove one. Push rods are movably connected to both the left and right ends of the threaded sliding plate. One end of the push rod away from the threaded sliding plate is movably connected to a sliding pulling plate. The sliding pulling plate is slidably connected inside the sliding groove one. A sliding baffle is fixedly connected to the front end of the sliding pulling plate. The two sliding baffles are respectively slidably connected to the left and right sides of the inner wall of the ball dropping hole. A steel ball is arranged on the top of the two sliding baffles.

[0009] A further improvement of the technical solution of the present utility model lies in that: the telescopic cylinder cover includes a connecting cylinder, the connecting cylinder is fixedly connected to the front side of the lower surface of the ball dropping mechanism, and a sliding cylinder is slidably sleeved on the lower part of the outer surface of the connecting cylinder.

[0010] A further improvement of the technical solution of the present utility model lies in that: a plurality of positioning card slots are arranged on the front side of the outer surface of the connecting cylinder, a knob is movably connected to the front side of the outer surface of the sliding cylinder, a threaded column is fixedly connected to the rear end of the knob, a second sliding groove is arranged on the front side of the upper part of the inner part of the sliding cylinder, the rear end of the threaded column penetrates into the inner part of the second sliding groove and is threadedly connected with a threaded insertion column on the outer surface, and the rear end of the threaded insertion column penetrates into the inner part of the positioning card slot.

[0011] A further improvement of the technical solution of the present utility model lies in that: the fixing mechanism includes a second motor, a moving groove is arranged inside the experimental table, the second motor is fixedly connected to the left surface of the inner wall of the moving groove, an output shaft of the second motor is fixedly connected with a driving wheel, and driven wheels are meshed and connected to the front and rear sides of the outer surface of the driving wheel.

[0012] A further improvement of the technical solution of the present utility model lies in that: second screw rods are fixedly connected to the left and right sides of the driven wheel, four third sliding grooves are arranged on the top of the experimental table, one end of the second screw rod far away from the driven wheel penetrates into the inner part of the third sliding groove and is threadedly connected with a threaded sliding block on the outer surface, the threaded sliding block is slidably connected in the third sliding groove, and a sliding clamping plate is slidably connected to the top of the threaded sliding block.

[0013] A further improvement of the technical solution of the present utility model lies in that: the sliding clamping plate includes a fixed clamping plate, the fixed clamping plate is arranged on the top of the threaded sliding block, a through-shaped sliding groove penetrating left and right is arranged inside the fixed clamping plate, a through-shaped sliding plate is slidably connected in the through-shaped sliding groove, and a fixed pressing plate is fixedly connected to one end of the through-shaped sliding plate close to the driven wheel.

[0014] A further improvement of the technical solution of the present utility model lies in that: a fourth sliding groove is arranged at the bottom end of the through-shaped sliding groove, the bottom end of the fourth sliding groove penetrates to the lower surface of the fixed clamping plate, a sliding column is fixedly connected to the inner surface of the fourth sliding groove, a sliding block is slidably connected to the outer surface of the sliding column, and the sliding block is fixedly connected to the top of the threaded sliding block.

[0015] A further improvement of the technical solution of the present utility model lies in that: a top pressing spring is fixedly connected to one side of the sliding block close to the fixed pressing plate, a connecting rod is movably connected to the top of the sliding block, and the top end of the connecting rod is movably connected to the bottom of the through-shaped sliding plate.

[0016] Due to the adoption of the above technical solution, the technical progress obtained by the present utility model compared with the prior art is:

[0017] 1. The present utility model provides an automotive interior drop ball test device. Through the mutual cooperation among a connecting plate, a drop ball hole, a first motor, a first screw rod, a threaded slide plate, a push rod, a sliding pull plate, a sliding baffle, and a steel ball, when conducting a drop ball test on an automotive interior panel, the steel ball will be placed on the sliding baffle in the drop ball hole. By starting the first motor, the first screw rod can be driven to rotate, and the threaded slide plate can be driven to rotate, so that the sliding pull plate can be pushed to slide through the push rod, causing the sliding baffle to slide away from the bottom of the steel ball, enabling the steel ball to automatically fall and impact the automotive interior panel, thereby being able to test the impact resistance strength of the automotive interior panel, making the test of the automotive interior panel more convenient and avoiding the occurrence of safety hazards.

[0018] 2. The present utility model provides an automotive interior drop ball test device. Through the mutual cooperation among a second motor, a driving wheel, a driven wheel, a second screw rod, a threaded slider, a fixed clamping plate, an I-shaped slide plate, a fixed pressing plate, a sliding column, a sliding block, a top spring, and a connecting rod, when fixing the automotive interior panel, by starting the second motor, the driving wheel can drive the driven wheel to rotate, and the threaded slider can be driven to slide through the second screw rod, so that the automotive interior panel can be clamped and fixed, and at the same time, the fixed pressing plate will also press and fix the automotive interior panel, making the fixing effect on the automotive interior panel better, avoiding the displacement of the automotive interior panel during the experiment, and making the use of the automotive interior drop ball test device more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a structural schematic diagram of the present utility model;

[0020] Figure 2 is a sectional structural schematic diagram of the drop ball mechanism of the present utility model;

[0021] Figure 3 is a sectional structural schematic diagram of the telescopic cylinder cover of the present utility model;

[0022] Figure 4 is a sectional structural schematic diagram of the fixing mechanism of the present utility model;

[0023] Figure 5 is a sectional structural schematic diagram of the sliding clamping plate of the present utility model.

[0024] In the figure: 1. Experimental table; 2. Electric push rod; 3. Ball dropping mechanism; 31. Connecting plate; 32. Ball dropping hole; 33. First motor; 34. First screw rod; 35. Threaded slide plate; 36. Pushing rod; 37. Sliding pull plate; 38. Sliding baffle; 39. Steel ball; 4. Telescopic cylinder cover; 41. Connecting cylinder; 42. Sliding cylinder; 43. Positioning card slot; 44. Knob; 45. Threaded column; 46. Threaded plug column; 5. Fixing mechanism; 51. Second motor; 52. Driving wheel; 53. Driven wheel; 54. Second screw rod; 55. Threaded slider; 56. Sliding clamping plate; 561. Fixed clamping plate; 562. I-shaped slide plate; 563. Fixed pressing plate; 564. Sliding column; 565. Sliding block; 566. Tightening spring; 567. Connecting rod. Specific embodiments

[0025] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments:

[0026] As Figure 1-2 shown, the present utility model provides an automobile interior ball dropping experiment device, including an experimental table 1, an electric push rod 2 is fixedly connected to the rear end of the experimental table 1, the top end of the electric push rod 2 is fixedly connected with a ball dropping mechanism 3, a telescopic cylinder cover 4 is fixedly connected to the front side of the lower surface of the ball dropping mechanism 3, a fixing mechanism 5 is arranged on the top of the experimental table 1, the ball dropping mechanism 3 includes a connecting plate 31, the connecting plate 31 is fixedly connected to the top end of the electric push rod 2, a vertically penetrating ball dropping hole 32 is opened in the front side of the inside of the connecting plate 31, a first sliding groove is opened in the center of the inside of the connecting plate 31, a first motor 33 is fixedly connected to the middle of the rear surface of the first sliding groove, the output shaft of the first motor 33 is fixedly connected with a first screw rod 34, a threaded slide plate 35 is threadedly connected to the outer surface of the first screw rod 34, the threaded slide plate 35 is slidably connected to the inside of the first sliding groove, both left and right ends of the threaded slide plate 35 are movably connected with a pushing rod 36, one end of the pushing rod 36 far from the threaded slide plate 35 is movably connected with a sliding pull plate 37, the sliding pull plate 37 is slidably connected to the inside of the first sliding groove, the front end of the sliding pull plate 37 is fixedly connected with a sliding baffle 38, the two sliding baffles 38 are respectively slidably connected to the left and right sides of the inner wall of the ball dropping hole 32, and a steel ball 39 is arranged on the tops of the two sliding baffles 38;

[0027] When conducting the falling ball experiment on the automotive interior trim panel, the automotive interior trim panel is placed on the top of the test bench 1. The fixed mechanism 5 can fix the automotive interior trim panel. Then, the steel ball 39 is placed on the sliding baffle 38 in the falling ball hole 32. The electric push rod 2 can push the connecting plate 31 to slide, so as to adjust the height of the steel ball 39 falling. Then, by starting the first motor 33, the first screw rod 34 can be driven to rotate, and the threaded slide plate 35 can be driven to rotate, so that the push rod 36 can push the sliding pull plate 37 to slide inside the first sliding groove, so that the sliding baffle 38 slides away from the bottom of the steel ball 39, so that the steel ball 39 can automatically fall along the telescopic cylinder cover 4 and impact the automotive interior trim panel, so as to test the impact resistance strength of the automotive interior trim panel.

[0028] As Figure 3 shown, the present utility model provides a falling ball experiment device for automotive interiors. The telescopic cylinder cover 4 includes a connecting cylinder 41, and the connecting cylinder 41 is fixedly connected to the front side of the lower surface of the falling ball mechanism 3. A sliding cylinder 42 is slidably sleeved below the outer surface of the connecting cylinder 41. A plurality of positioning card slots 43 are opened on the front side of the outer surface of the connecting cylinder 41. A knob 44 is movably connected to the front side of the outer surface of the sliding cylinder 42. A threaded column 45 is fixedly connected to the rear end of the knob 44. A second sliding groove is opened on the front side of the upper part inside the sliding cylinder 42. The rear end of the threaded column 45 penetrates into the second sliding groove and is threadedly connected to a threaded insertion column 46 on the outer surface. Limiting blocks are fixedly connected to both sides of the threaded insertion column 46. Limiting grooves are opened on both sides of the second sliding groove. The limiting blocks are slidably connected inside the limiting grooves. The rear end of the threaded insertion column 46 penetrates into the positioning card slot 43.

[0029] The connection between the connecting cylinder 41 and the sliding cylinder 42 can limit the fall of the steel ball 39, preventing the steel ball 39 from popping out of the falling ball experiment device after falling. At the same time, by sliding the sliding cylinder 42 on the connecting cylinder 41, the length of the telescopic cylinder cover 4 can be adjusted to adapt to detections at different heights. By rotating the knob 44, the threaded column 45 can drive the threaded insertion column 46 to insert into the positioning card slot 43, so as to fix the position of the sliding cylinder 42.

[0030] As Figure 4-5As shown in the figure, the utility model provides an automobile interior drop ball test device. The fixing mechanism 5 includes a second motor 51. An activity groove is formed inside the test bench 1. The second motor 51 is fixedly connected to the left surface of the inner wall of the activity groove. The output shaft of the second motor 51 is fixedly connected with a driving wheel 52. Both the front and rear sides of the outer surface of the driving wheel 52 are meshed and connected with driven wheels 53. Both the left and right sides of the driven wheel 53 are fixedly connected with second screw rods 54. Four sliding grooves three are formed at the top of the test bench 1. One end of the second screw rod 54 far away from the driven wheel 53 penetrates into the inside of the sliding groove three and is threadedly connected with a threaded slider 55 on its outer surface. The threaded slider 55 is slidably connected inside the sliding groove three. The top of the threaded slider 55 is slidably connected with a sliding clamping plate 56. The sliding clamping plate 56 includes a fixed clamping plate 561 which is arranged on the top of the threaded slider 55. An I-shaped sliding groove penetrating left and right is formed inside the fixed clamping plate 561. An I-shaped sliding plate 562 is slidably connected inside the I-shaped sliding groove. One end of the I-shaped sliding plate 562 close to the driven wheel 53 is fixedly connected with a fixed pressing plate 563. A sliding groove four is formed at the bottom end of the I-shaped sliding groove. The bottom end of the sliding groove four penetrates to the lower surface of the fixed clamping plate 561. A sliding column 564 is fixedly connected to the inner surface of the sliding groove four. A sliding block 565 is slidably connected to the outer surface of the sliding column 564. The sliding block 565 is fixedly connected to the top of the threaded slider 55. A top pressing spring 566 is fixedly connected to one side of the sliding block 565 close to the fixed pressing plate 563. The top of the sliding block 565 is movably connected with a connecting rod 567. The top end of the connecting rod 567 is movably connected with the bottom of the I-shaped sliding plate 562;

[0031] When fixing the automobile interior trim panel, the automobile interior trim panel will be placed on the top of the test bench 1. By starting the second motor 51, the driving wheel 52 can drive the driven wheel 53 to rotate, and the second screw rod 54 can drive the threaded slider 55 to slide inside the sliding groove three, so as to drive the fixed clamping plate 561 to clamp and fix the automobile interior trim panel. At the same time, by sliding the sliding block 565 on the outer surface of the sliding column 564, the top pressing spring 566 can be compressed, and the I-shaped sliding plate 562 can be pulled to slide downward through the connecting rod 567, so that the fixed pressing plate 563 can press and fix the automobile interior trim panel, making the fixing effect of the automobile interior trim panel better.

[0032] Next, the working principle of the automobile interior drop ball test device will be specifically described.

[0033] As Figure 1-5As shown in the figure, when conducting the falling ball experiment on the automotive interior trim panel, the automotive interior trim panel is placed on the top of the test bench 1. By starting the second motor 51, the driving wheel 52 can drive the driven wheel 53 to rotate, and the second screw 54 can drive the threaded slider 55 to slide, so as to drive the fixed clamping plate 561 to clamp and fix the automotive interior trim panel. At the same time, the fixed pressing plate 563 can also be used to press and fix the automotive interior trim panel. Then, the steel ball 39 is placed on the sliding baffle 38 in the falling ball hole 32. The electric push rod 2 can be used to push the connecting plate 31 to slide, so as to adjust the falling height of the steel ball 39. By sliding the sliding cylinder 42 on the connecting cylinder 41, the length of the telescopic cylinder cover 4 can be adjusted. Then, by starting the first motor 33, the first screw 34 can drive the threaded slide plate 35 to rotate, so as to push the sliding pull plate 37 to slide through the push rod 36, so that the sliding baffle 38 slides away from the bottom of the steel ball 39, enabling the steel ball 39 to automatically fall along the telescopic cylinder cover 4 and impact the automotive interior trim panel, thereby testing the impact resistance strength of the automotive interior trim panel.

[0034] The above text generally describes the present utility model in detail. However, based on the present utility model, some modifications or improvements can be made, which are obvious to those of ordinary skill in the art. Therefore, any modifications or improvements made without departing from the spirit and idea of the present utility model are within the protection scope of the present utility model.

Claims

1. A car interior drop ball test device, characterized by: The experimental platform (1) comprises an electric push rod (2) fixedly connected to the rear end of the experimental platform (1), a ball drop mechanism (3) fixedly connected to the top end of the electric push rod (2), a telescopic cylinder cover (4) fixedly connected to the front side of the lower surface of the ball drop mechanism (3), and a fixing mechanism (5) arranged on the top of the experimental platform (1); The ball-dropping mechanism (3) comprises a connecting plate (31), the connecting plate (31) is fixedly connected to the top end of the electric push rod (2), a ball-dropping hole (32) penetrating from top to bottom is provided on the front side of the interior of the connecting plate (31), a sliding groove (1) is provided at the center of the interior of the connecting plate (31), a first motor (33) is fixedly connected to the middle of the rear surface of the sliding groove (1), an output shaft of the first motor (33) is fixedly connected to a first screw rod (34), an outer surface of the first screw rod (34) is threadedly connected to a threaded slide plate (35), and the threaded slide plate (35) The threaded slide plate (35) is slidably connected to the inside of the sliding groove (31), and the left and right ends of the threaded slide plate (35) are movably connected to a push rod (36). The end of the push rod (36) away from the threaded slide plate (35) is movably connected to a sliding pull plate (37). The sliding pull plate (37) is slidably connected to the inside of the sliding groove (31), and the front end of the sliding pull plate (37) is fixedly connected to a sliding baffle (38). The two sliding baffles (38) are respectively slidably connected to the left and right sides of the inner wall of the ball falling hole (32), and a steel ball (39) is arranged on the top of the two sliding baffles (38).

2. The vehicle interior drop ball test device according to claim 1, characterized in that: The telescopic cylinder cover (4) comprises a connecting cylinder (41), the connecting cylinder (41) is fixedly connected to the front side of the lower surface of the ball-dropping mechanism (3), and a sliding cylinder (42) is slidably sleeved below the outer surface of the connecting cylinder (41).

3. The vehicle interior drop ball test device according to claim 2, characterized in that: The outer front side of the connecting tube (41) is provided with a plurality of positioning slots (43); the outer front side of the sliding tube (42) is movably connected with a knob (44); the rear end of the knob (44) is fixedly connected with a threaded column (45); the inner upper front side of the sliding tube (42) is provided with a second sliding slot; the rear end of the threaded column (45) penetrates into the interior of the second sliding slot and is threadedly connected with a threaded column (46) on the outer surface; the rear end of the threaded column (46) penetrates into the interior of the positioning slot (43).

4. The vehicle interior drop ball test device according to claim 1, characterized in that: The fixing mechanism (5) comprises a second motor (51), a movable groove is provided inside the experimental table (1), the second motor (51) is fixedly connected to the left surface of the inner wall of the movable groove, the output shaft of the second motor (51) is fixedly connected to a driving wheel (52), and the outer surface of the driving wheel (52) is meshedly connected to driven wheels (53) on both the front and rear sides.

5. The vehicle interior drop ball test device according to claim 4, characterized in that: The left and right sides of the driven wheel (53) are fixedly connected with a second screw rod (54), and the top of the experimental table (1) is provided with four sliding grooves three. The end of the second screw rod (54) away from the driven wheel (53) passes through the inside of the sliding groove three and the outer surface is threadedly connected with a threaded slider (55). The threaded slider (55) is slidably connected to the inside of the sliding groove three, and the top of the threaded slider (55) is slidably connected to a sliding clamp (56).

6. The vehicle interior drop ball test device according to claim 5, characterized in that: The sliding clamp (56) comprises a fixed clamp (561), wherein the fixed clamp (561) is arranged on the top of the threaded slider (55), and an I-shaped sliding groove running through the inside of the fixed clamp (561) is provided, and an I-shaped slide plate (562) is slidably connected to the inside of the I-shaped sliding groove, and a fixed pressure plate (563) is fixedly connected to one end of the I-shaped slide plate (562) close to the driven wheel (53).

7. The vehicle interior drop ball test device according to claim 6, characterized in that: A sliding groove four is provided at the bottom end of the I-shaped sliding groove, and the bottom end of the sliding groove four passes through the lower surface of the fixed clamping plate (561). The inner surface of the sliding groove four is fixedly connected to a sliding column (564), and the outer surface of the sliding column (564) is slidably connected to a sliding block (565), and the sliding block (565) is fixedly connected to the top of the threaded slider (55).

8. The vehicle interior drop ball test device according to claim 7, characterized in that: A tensioning spring (566) is fixedly connected to one side of the sliding block (565) close to the fixed pressure plate (563), and a connecting rod (567) is movably connected to the top of the sliding block (565), and the top of the connecting rod (567) is movably connected to the bottom of the I-shaped slide plate (562).

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