CN216082351U - Fixed-point accurate falling ball impact testing device for automobile plastic parts - Google Patents
Fixed-point accurate falling ball impact testing device for automobile plastic parts Download PDFInfo
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- CN216082351U CN216082351U CN202122505562.XU CN202122505562U CN216082351U CN 216082351 U CN216082351 U CN 216082351U CN 202122505562 U CN202122505562 U CN 202122505562U CN 216082351 U CN216082351 U CN 216082351U
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Abstract
The utility model provides a fixed-point accurate falling ball impact testing device for automobile plastic parts, which comprises a supporting rod, a lifting rod, a general sliding seat, an electromagnetic sliding seat, a falling ball and a laser positioning assembly, wherein the supporting rod is fixed on the lifting rod; adopt two bracing piece structures, fix the both ends of lifter and make it reciprocate in step for the lifter remains the level throughout at the lift adjustment in-process, and guarantees that the both sides atress of lifter is even, prevents to use for a long time to adjust the condition that leads to the not hard up slope of lifter. The auxiliary laser positioning assembly realizes fixed-point accurate ball falling impact on automobile plastic parts of small parts or automobile plastic parts with uneven surfaces, improves accuracy of test results, and improves test efficiency.
Description
Technical Field
The utility model relates to a falling ball impact testing device, in particular to an automobile plastic part fixed point accurate falling ball impact testing device.
Background
Along with the lightweight improvement of automobiles, non-metallic materials such as plastics are applied to the automobiles more and more, but because of the assurance to safety, the material management and control of automobile plastic parts is also stricter and stricter. Before the automobile leaves a factory, the plastic part of the automobile must be subjected to impact test in different environments, and if the plastic part is damaged in a qualified range after being subjected to falling ball impact of specific weight under specified conditions such as low temperature and the like, the plastic part is qualified to be detected and then can be sold in the market.
Present ball impact device that falls is height-adjustable's electro-magnet adsorption steel ball usually, make the steel ball whereabouts after cutting off the power supply to the electro-magnet and strike, but because along with the working of plastics kind on the car increases, the plastics size that needs the test respectively has the difference, and some working of plastics need carry out accurate fixed point impact test to a certain point, and present ball impact test is single armed structure more, the horizontal pole of installation electro-magnet and steel ball takes place not hard up very easily after the vertical adjustment of many frequencies and leads to the slope, thereby lead to the position of falling the ball inaccurate, to the working of plastics of smallclothes, especially need the impact test of falling the ball with higher high whereabouts, the skew of falling the ball position can seriously influence the result of experiment. In addition, the surface of some plastic parts to be detected is uneven, the position of the falling ball is slightly deviated, so that the stress position and the stress direction of the plastic parts are greatly changed from the expected test condition after the falling ball falls and impacts, and the test result cannot be used. Therefore, a device for testing the impact of the fixed-point accurate falling ball of the automobile plastic part is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a fixed-point accurate falling ball impact testing device for automobile plastic parts.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a fixed-point accurate falling ball impact testing device for automobile plastic parts comprises two supporting rods, a lifting rod, two general sliding seats, an electromagnetic sliding seat, a falling ball and a laser positioning assembly;
the two support rods are respectively detachably arranged on the horizontal plane, and each support rod is provided with a lifting slide rail perpendicular to the horizontal plane;
two ends of the lifting rod are respectively provided with a sliding block, the sliding blocks vertically slide along the lifting slide rail, and the lifting rod is parallel to a horizontal plane;
the two general sliding seats are correspondingly sleeved on the positions where the two ends of the lifting rod are intersected with the supporting rod, and the sliding blocks are abutted and fixed in the lifting sliding rail and are kept immovable when the general sliding seats are locked;
the electromagnetic sliding seat is horizontally and slidably arranged on the lifting rod and positioned between the two supporting rods, and comprises a sliding seat body and an electromagnet seat; the sliding seat body is sleeved on the lifting rod, the electromagnet seat is detachably mounted at the bottom of the sliding seat body, the falling ball is fixedly adsorbed at the bottom of the electromagnet seat when the electromagnet seat is powered on, and the falling ball is separated from the electromagnet seat when the electromagnet seat is powered off;
the laser positioning assembly is arranged at the bottom of the electromagnet seat and used for vertically and downwards emitting a light beam and forming a positioned laser spot on a horizontal plane.
Preferably, the universal sliding seat comprises a seat body, a first through hole, a second through hole and a locking screw; the first through hole penetrates through the seat body along the X direction, and the lifting rod penetrates through the first through hole; the second through hole penetrates through the seat body along the Y direction, and the supporting rod penetrates through the second through hole; the locking screw is screwed and extends into the base body along the Z direction and points to the lifting rod; the X direction Y direction and two liang mutually perpendicular of Z direction, follow in the seat the Z direction does in proper order the locking screw, the lifter reaches the bracing piece, the locking screw is followed the Z direction is twisted and is twisted the extrusion of marcing forward the lifter, the slider locking of lifter is fixed in the track of bracing piece.
Preferably, the height of the slide block along the Z direction is greater than the depth of the lifting slide rail along the Z direction.
Preferably, the slider is detachably fixed to the lifting rod by a screw.
Preferably, the electromagnetic slider is fixed on the lifting rod through a locking screw.
Preferably, the top of the electromagnet seat is detachably fixed at the bottom of the sliding seat body through a screw or a buckle.
Preferably, the bottom of the electromagnet seat is provided with a circular arc-shaped concave ball falling clamping seat.
Preferably, the laser positioning group is at least 2 laser lamps uniformly arranged on the periphery of the ball falling clamping seat.
Preferably, the lifting rod is provided with a scale accurate to 1 mm.
Compared with the prior art, the utility model has the beneficial effects that:
according to the device for testing the fixed-point accurate falling ball impact of the automobile plastic part, the two ends of the lifting rod are provided with the supporting arms, so that the two ends of the lifting rod slide synchronously, the lifting rod is always kept horizontal, the accuracy of the falling ball height is guaranteed, and the locking parts at the two ends are enabled to be stressed dispersedly to prevent loosening. The electromagnetic slide seat can slide left and right on the lifting rod, the lifting rod can slide up and down on the supporting rod, the height and the position of a falling ball can be flexibly adjusted according to different plastic pieces to be tested, and the laser positioning assembly is used for assisting, so that accurate falling ball impact testing can be realized for automobile plastic pieces which are smaller in size or uneven in surface and need to fall at an accurate fixed point for impact, the testing result is more accurate, the test adjusting times are reduced, and the efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an automobile plastic part fixed-point accurate falling ball impact testing device;
FIG. 2 is a schematic structural diagram of a universal slider;
FIG. 3 is a schematic view of a universal sliding base installed at the joint of a support bar and a lifting bar;
fig. 4 is a schematic view of an electromagnetic slider.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 4, an accurate fixed-point falling ball impact testing device for automobile plastic parts comprises two support rods 1, a lifting rod 2, two general sliding seats 3, an electromagnetic sliding seat 4, a falling ball 5 and a laser positioning assembly 6.
As shown in fig. 1, two support rods 1 are respectively detachably mounted on a horizontal plane, and each support rod 1 is provided with a lifting slide rail 11 perpendicular to the horizontal plane. The two ends of the lifting rod 2 are respectively provided with a slide block 21, the slide blocks 21 vertically slide along the lifting slide rail 11, and the lifting rod 2 is parallel to the horizontal plane. The two universal sliding seats 3 are correspondingly sleeved on the positions where the two ends of the lifting rod 2 intersect with the supporting rod 1, and the sliding block 21 is abutted and fixed in the lifting slide rail 11 to keep still when the universal sliding seats 3 are locked. The electromagnetic sliding seat 4 is horizontally slidably mounted on the lifting rod 2 and positioned between the two support rods 1, and the electromagnetic sliding seat 4 comprises a sliding seat body 41 and an electromagnet seat 42; the slide base body 41 is sleeved on the lifting rod 2, and the electromagnet base 42 is detachably installed at the bottom of the slide base body 41. The falling ball 5 is fixed at the bottom of the electromagnet seat 42 in an adsorption manner when the electromagnet seat 42 is powered on, and the falling ball 5 is separated from the electromagnet seat 42 when the electromagnet seat 42 is powered off. The laser positioning assembly 6 is arranged at the bottom of the electromagnet seat 42, and the laser positioning assembly 6 is used for vertically emitting a light beam downwards and forming a positioned laser spot on a horizontal plane.
The automobile plastic fixed-point accurate falling ball impact testing device is used for testing, a plastic part is placed in a falling ball area below the device, then the height of a lifting rod 2 is adjusted along a lifting slide rail 11 according to the testing requirement of the specific automobile plastic part to be tested, after the adjustment is finished, universal sliding seats 3 on two sides of the lifting rod 2 are locked, and the height of the lifting rod 2 is fixed; the laser positioning assembly 6 on the electromagnetic sliding seat 4 is opened again, the electromagnetic sliding seat 4 is pushed to horizontally slide on the lifting rod 2 until the part needing fixed-point accurate striking falls on the center of a light spot projected by the laser positioning assembly 6 on the automobile plastic part to be detected, the electromagnetic sliding seat 4 is locked at the moment, then the power supply of the electromagnet seat 42 is disconnected, the falling ball 5 freely falls to the part needing fixed-point accurate striking on the plastic part, and the fixed-point accurate falling ball 5 impact test of the automobile plastic part is completed.
Present falling ball impact test device all is single bracing piece structure, uses the longer time after, because long-time unilateral atress, the slope takes place very easily, lifter 2 is easy not hard up with bracing piece 1 junction, the height that leads to falling ball impact test is not accurate with the falling ball position, especially to the automobile plastic parts of smallclothes or the automobile plastic parts of surperficial unevenness etc. require falling ball 5 to fix a position accurate waiting to detect the thing, can produce serious influence to the test result. The falling ball impact testing device is supported by the double supporting rods 1, the lifting rod 2 can always keep horizontal when sliding up and down on the two supporting rods 1, the stress at the joint of the two sides of the lifting rod 2 and the supporting rods 1 is more average, the stress direction is vertical and downward, the locking direction of the universal sliding seat 3 is vertical to the lifting rod 2 and the supporting rods 1, the situations of looseness, deflection and the like caused by long-time use are avoided, the testing result can always keep accurate, and the falling ball impact testing device is more suitable for accurately testing the falling ball 5 at a fixed point.
As shown in fig. 4, the electromagnetic slider 4 of the present invention includes a slider body 41 and an electromagnet seat 42, which are detachably mounted, and the electromagnet seat 42 can be easily replaced, so as to better match different types of falling balls 5 required by different tests, and can be quickly replaced when a fault occurs, thereby reducing the maintenance cost.
In one embodiment, as shown in fig. 2 and 3, the universal sliding base 3 includes a base 31, a first through hole 32, a second through hole 33, and a locking screw 34; the first through hole 32 penetrates through the seat body 31 along the X direction, and the lifting rod 2 penetrates through the first through hole 32; the second through hole 33 penetrates through the seat body 31 along the Y direction, and the support rod 1 penetrates through the second through hole 33; the locking screw 34 is screwed into the seat body 31 along the Z direction and points to the lifting rod 2; two pairs of X direction, Y direction and Z direction mutually perpendicular, be locking screw 34, lifter 2 and bracing piece 1 along the Z direction in proper order in the pedestal 31, locking screw 34 revolves to twist along the Z direction and advances extrusion lifter 2, and the slider 21 of lifter 2 locks and fixes in the track of bracing piece 1. Preferably, the height of the slider 21 in the Z direction is greater than the depth of the elevation slide rail 11 in the Z direction. When the locking screw 34 is not tightened against the lifting rod 2, no pressure is applied between the sliding block 21 of the lifting rod 2 and the lifting slide rail 11 of the support rod 1, and the lifting rod 2 can smoothly move vertically along the lifting slide rail 11 through the sliding block 21; when the locking screw 34 is screwed, the locking screw 34 moves along the inside of the Z-direction seat body 31 and extrudes the lifting rod 2, the lifting rod 2 extrudes the support rod 1 inwards along with the locking screw, at the moment, the slide block 21 and the lifting slide rail 11 are subjected to greater and greater pressure until the generated friction force is greater than the sum of the gravity of the lifting rod 2, the general slide seat 3, the electromagnetic slide seat 4 and the falling ball 5, at the moment, the slide block 21 is locked in the lifting slide rail 11, and the lifting rod 2 can not move up and down any more.
In one embodiment, the locking screw 34 may include a rotating handle, a threaded rod, and a top block. The screw is connected to the seat body 31 in a threaded manner. A rotary handle disposed outside the seat body 31 is connected to one end of the screw for operating the screw to rotate. The top block arranged in the base body 31 is connected to the other end of the screw rod, and the top block can move linearly under the driving of the rotating screw rod.
In one embodiment, the slider 21 is detachably fixed on the lifting rod 2 through screws, and when larger automobile plastic parts need to be detected, the slider 21 can be detached from other positions on the lifting rod 2 and reinstalled.
In one embodiment, the electromagnetic slider 4 is fixed on the lifting rod 2 by a locking screw, and the electromagnetic slider 4 is fixed on the lifting rod 2 and can not move left and right any more.
Preferably, the top of the electromagnet seat 42 is detachably fixed to the bottom of the slider body 41 by screws or snaps. The electromagnet seat 42 and the slider body 41 can be replaced individually when damaged, and different electromagnet seats 42 can be replaced according to the weight of the drop ball 5.
In an embodiment, as shown in fig. 4, the bottom of the electromagnet seat 42 is provided with a circular arc-shaped concave falling ball seat 43, which facilitates fixing the position of the falling ball 5 on the electromagnet. The laser positioning group is at least two laser lamps uniformly arranged on the periphery of the falling ball clamping seat 43, light beams emitted by the laser lamps are projected on a lower automobile plastic part, namely an accurate area where the falling ball 5 is to be dropped and impacted, the lifting rod 2 is kept horizontal all the time by matching with the double-supporting-arm structure, and the accuracy of the impact point of the falling ball 5 can be further ensured.
Preferably, as shown in fig. 1, the lifting rod 2 is provided with a scale 12 accurate to 1mm, so that the scale 12 can be observed when the height of the lifting rod 2 is adjusted, and the adjustment is rapid and accurate.
The fixed-point accurate falling ball impact testing device for the automobile plastic part is different from the structure of a single support rod commonly used at present, a double-support-rod structure is adopted, two ends of a lifting rod are fixed and synchronously move up and down, the lifting rod is always kept horizontal in the lifting adjusting process, the two sides of the lifting rod are uniformly stressed, the condition that the lifting rod is loosened due to long-time use and adjustment is prevented, the phenomenon of inclination is avoided, and the accuracy of the falling ball position is guaranteed. And with the assistance of a laser positioning assembly, the impact position of the falling ball on the automobile plastic part can be further determined. For small automobile plastic parts or automobile plastic parts with uneven surfaces, the test result is possibly inaccurate by slightly changing the ball falling position.
The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the utility model. Rather, it is intended that all such modifications and variations be included within the spirit and scope of this invention.
Claims (9)
1. The utility model provides an accurate ball impact testing device that falls of automotive plastic spare fixed point which characterized in that: the device comprises two support rods, a lifting rod, two general sliding seats, an electromagnetic sliding seat, a falling ball and a laser positioning assembly;
the two support rods are respectively detachably arranged on the horizontal plane, and each support rod is provided with a lifting slide rail perpendicular to the horizontal plane;
two ends of the lifting rod are respectively provided with a sliding block, the sliding blocks vertically slide along the lifting slide rail, and the lifting rod is parallel to a horizontal plane;
the two general sliding seats are correspondingly sleeved on the positions where the two ends of the lifting rod are intersected with the supporting rod, and the sliding blocks are abutted and fixed in the lifting sliding rail and are kept immovable when the general sliding seats are locked;
the electromagnetic sliding seat is horizontally and slidably arranged on the lifting rod and positioned between the two supporting rods, and comprises a sliding seat body and an electromagnet seat; the sliding seat body is sleeved on the lifting rod, the electromagnet seat is detachably mounted at the bottom of the sliding seat body, the falling ball is fixedly adsorbed at the bottom of the electromagnet seat when the electromagnet seat is powered on, and the falling ball is separated from the electromagnet seat when the electromagnet seat is powered off;
the laser positioning assembly is arranged at the bottom of the electromagnet seat and used for vertically and downwards emitting a light beam and forming a positioned laser spot on a horizontal plane.
2. An automotive plastic part fixed point precision ball drop impact testing device as claimed in claim 1, wherein: the universal sliding seat comprises a seat body, a first through hole, a second through hole and a locking screw; the first through hole penetrates through the seat body along the X direction, and the lifting rod penetrates through the first through hole; the second through hole penetrates through the seat body along the Y direction, and the supporting rod penetrates through the second through hole; the locking screw is screwed and extends into the base body along the Z direction and points to the lifting rod; the X direction Y direction and two liang mutually perpendicular of Z direction, follow in the seat the Z direction does in proper order the locking screw, the lifter reaches the bracing piece, the locking screw is followed the Z direction is twisted and is twisted the extrusion of marcing forward the lifter, the slider locking of lifter is fixed in the track of bracing piece.
3. An automotive plastic part fixed point precision ball drop impact testing device as claimed in claim 2, wherein: the height of the sliding block along the Z direction is larger than the depth of the lifting slide rail along the Z direction.
4. An automotive plastic part fixed point precision ball drop impact testing device as claimed in claim 3, wherein: the sliding block is detachably fixed on the lifting rod through a screw.
5. An automotive plastic part fixed point precision ball drop impact testing device as claimed in claim 1, wherein: the electromagnetic sliding seat is fixed on the lifting rod through a locking screw.
6. An automotive plastic part fixed point precision ball drop impact testing device as claimed in claim 1, wherein: the top of electromagnet seat passes through screw or buckle detachably to be fixed the bottom of slide body.
7. An automotive plastic part fixed point precision ball drop impact testing device as claimed in claim 1, wherein: the bottom of the electromagnet seat is provided with a circular arc-shaped concave falling ball clamping seat.
8. An automotive plastic part fixed point precision ball drop impact testing device as claimed in claim 7, wherein: the laser positioning components are at least two laser lamps which are uniformly arranged on the periphery of the ball falling clamping seat.
9. An automotive plastic part fixed point precision ball drop impact testing device as claimed in claim 1, wherein: and scales with the precision of 1mm are arranged on the lifting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122505562.XU CN216082351U (en) | 2021-10-19 | 2021-10-19 | Fixed-point accurate falling ball impact testing device for automobile plastic parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122505562.XU CN216082351U (en) | 2021-10-19 | 2021-10-19 | Fixed-point accurate falling ball impact testing device for automobile plastic parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216082351U true CN216082351U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122505562.XU Active CN216082351U (en) | 2021-10-19 | 2021-10-19 | Fixed-point accurate falling ball impact testing device for automobile plastic parts |
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| Country | Link |
|---|---|
| CN (1) | CN216082351U (en) |
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- 2021-10-19 CN CN202122505562.XU patent/CN216082351U/en active Active
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