CN211122368U

CN211122368U - Impact test device is concentrated to packing

Info

Publication number: CN211122368U
Application number: CN201922225650.7U
Authority: CN
Inventors: 张鹏; 孙海鹏; 高冉冉
Original assignee: Shandong Quality Inspection Center for Medical Devices
Current assignee: Shandong Quality Inspection Center for Medical Devices
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-28
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a package centralized impact test device belongs to medical instrument inspection technical field, and this test device includes vertical linear guide, and the activity is provided with the free fall releaser on the linear guide, is provided with the percussion head on the free fall releaser and is connected with elevating system, and the free fall releaser can follow linear guide and remove and fix a position on linear guide under elevating system's drive, has camera device at the top fixed mounting of free fall releaser. The utility model discloses shock test device is concentrated to packing of example has improved the precision of striking speed greatly, has realized the concentrated shock test that high accuracy striking speed required.

Description

Impact test device is concentrated to packing

Technical Field

The utility model belongs to the technical field of the medical instrument inspection technique and specifically relates to a shock test device is concentrated to packing.

Background

The concentrated impact test is used to evaluate the ability of a package to withstand concentrated impacts from the outside, such as those encountered in various modes of transportation and handling. One such effect is due to the collision of the adjacent cargo with the package on the vehicle or to an accidental collision with other cargo when handling the vehicle, possibly also due to the package colliding with one of the pieces; another situation is the collision in the case of sorting on a conveyor or chute or many other devices.

The industrial standard ASTM D6344 has standardized and outlined the test requirements of the concentrated impact test, and provides a proposed test device model, which is a cylindrical steel bar with a specified quality, and the cylindrical steel bar is fixed at the height required by the test by a round hole formed on a steel bar head fixing line or a steel bar through a supporting pin.

In an actual test, a worker finds that when the test device is used for a concentrated impact test, when the impact speed reaches a certain accuracy, the upper limit is touched and cannot be improved any more, and no suitable device is available for operating the test of more accurate impact speed indicated by the standard.

Based on the above situation, it is a problem that needs to be solved at present to design a concentrated impact test device that can realize high accuracy striking speed.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies in the prior art, the utility model aims to provide a shock test device is concentrated to packing to realize the concentrated shock test that high accuracy striking speed required.

The utility model provides a technical scheme that its technical problem adopted does:

the utility model provides a package centralized impact test device, including vertical linear guide, the activity is provided with the free fall releaser on the linear guide, be provided with the impact head on the free fall releaser and be connected with elevating system, the free fall releaser can be followed linear guide and removed and fix a position on linear guide under elevating system's drive, has camera device at the top fixed mounting of free fall releaser.

Furthermore, the bottom end of the linear guide rail is fixed on the base.

Furthermore, the lifting mechanism comprises a screw rod and a servo motor, and an output shaft of the servo motor is connected with the screw rod; the free falling body releaser is arranged on the linear guide rail through a bracket, the bracket is provided with a screw hole meshed with the screw rod, and the screw rod is matched with the screw hole on the bracket to form a ball screw pair.

Furthermore, the screw rod is connected with an output shaft of the servo motor through a coupler.

Further, the free fall releaser is an electromagnetic releaser.

Further, the lifting mechanism, the camera device and the electromagnetic releaser are all connected to the controller.

Further, the base is in a platform shape or a flat plate shape.

Furthermore, the impact head is cylindrical, the bottom end of the impact head protrudes outwards to form a hemisphere, and the total mass of the impact head is 680 +/-15 grams.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the package of example concentrates impact test device, and the whereabouts of impact head do not have interference factors such as any guiding tube, can realize the high accuracy impact velocity's of industry standard requirement experiment, has filled high accuracy test device's blank.

2. The utility model discloses shock test device is concentrated to packing of example, the removal and the location on linear guide that free fall releaser can be convenient, the operation of the different whereabouts height tests of being convenient for, application scope is wide, uses the flexibility strong.

3. The package centralized impact test device of the example of the utility model has the advantages that the bottom end of the linear guide rail is fixed on the base, the test device has good stability and is convenient to place and move; the base is platform form or flat-plate-shaped, is convenient for test sample to place on the base, and test operation is more convenient.

4. The utility model discloses shock test device is concentrated to packing of example, elevating system adopt ball vice, can realize the regulation of minimum distance, and experimental precision is higher, and simple structure, with low costs.

5. The utility model discloses shock test device is concentrated to packing of example is connected through the shaft coupling between lead screw and servo motor's the output shaft, and noise reduction, buffering vibration effectively guarantee the life of servo motor and lead screw, stability when improving the device and using.

6. The utility model discloses shock test device is concentrated to packing of example, free fall releaser are electromagnetic release, are convenient for carry out automatic control, and elevating system, camera device and electromagnetic release all are connected to on the controller, and degree of automation is high, has improved the degree of accuracy and has reduced operating personnel's work load.

7. The structure and the quality of the impact head of the packaging centralized impact test device of the example of the utility model simulate the centralized impact condition received in the actual transportation process of the packaging material to the maximum extent, and the reference value of the test result is high; set up camera device and shoot the test sample after the impact head falls, be convenient for carry out the image retention to test sample's actual conditions, improve test efficiency and the test result that remains more accurate.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is the utility model discloses a package centralized impact test device's schematic structure diagram.

In the figure: the automatic control system comprises a linear guide rail 1, a free falling body releaser 2, a lead screw 3, a coupler 4, a servo motor 5, a camera device 6, a controller 7, a base 8, a support 9 and an impact head 10.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

As shown in fig. 1, an embodiment of the utility model provides a package centralized impact test device, including vertical linear guide 1, the activity is provided with free fall releaser 2 on linear guide 1, be provided with on the free fall releaser 2 and strike head 10 and be connected with elevating system, free fall releaser 2 can follow linear guide 1 and remove and fix a position on linear guide 1 under elevating system's drive, has camera device at the top fixed mounting of free fall releaser 2.

In this embodiment, the lifting mechanism includes a screw rod 3 and a servo motor 5, and an output shaft of the servo motor 5 is connected with the screw rod 3; the free falling body releaser 2 is arranged on the linear guide rail 1 through a bracket 9, a screw hole meshed with the screw rod 3 is arranged on the bracket 9, and the screw rod 3 is matched with the screw hole on the bracket 9 to form a ball screw pair.

In order to reduce noise and buffer vibration, the service lives of the servo motor 5 and the lead screw 3 are effectively guaranteed, the stability of the device in use is improved, and the lead screw 3 is connected with an output shaft of the servo motor 5 through a coupler 4.

The bottom end of the linear guide rail 1 is fixed on the base 8, the base 8 is in a platform shape or a flat plate shape, so that the test sample can be conveniently placed on the base 8, and the test operation is more convenient.

The free falling body releaser 2 is an electromagnetic releaser, so that the automation degree is improved in the operation of the test device, and the servo motor 5, the camera device 6 and the electromagnetic releaser of the lifting mechanism are all connected to the controller 7.

Specifically, the lead screw 3 and the linear guide rail 1 of the present embodiment are a HIWIN lead screw and a linear guide rail manufactured by taiwan silver corporation, the servo motor 5 may be an ampere motor, such as an SGMAV-04A3a61 servo motor, the electromagnetic release device may be a direct current electromagnet of xinrada, the controller 7 may be a siemens P L C controller, such as a S7 series P L C, and the image pickup device 6 may be a digital camera.

The impact head 10 is cylindrical, the bottom end of the impact head 10 protrudes outwards to form a hemisphere, and the total mass of the impact head 10 is 680 +/-15 grams. The impact head 10 is typically a solid steel rod and additional components may be provided on the impact head 10, but the mass of the additional components must be contained within the total mass.

For the understanding of the utility model, the following description is made in combination with the working method thereof, and the working method of the above-mentioned package centralized impact test device includes:

s1: the test sample is placed below the impact head 10, and the impact head 10 is aligned with the impact position;

s2: the height of the free fall releaser 2 is adjusted to a proper position so that the distance between the impact head 10 and the test sample meets the test requirements;

s3: the free falling body releaser 2 releases the impact head 10; specifically, during operation, the electromagnetic releaser is connected with the controller 7, a release button on the controller 7 is pressed, the electromagnetic releaser releases the impact head 10, and the impact head 10 automatically falls down to perform impact test on the sample;

s4: after the impact head 10 falls down, the camera device 6 photographs the test sample to obtain the damage condition of the test sample.

When determining the impact location of a test sample, it is generally determined as follows:

the appearance of the package to be tested is identified. Typically, testing is performed only for those areas that are most likely to be affected by the low level of concentration during distribution.

Large containers and containers with integral loading platforms, such as trolleys, are subject to four vertical surfaces and tops. Smaller packages may impact any surface due to differences in the direction of delivery.

Determining the impact location on each surface to be tested:

if there is a defined gap between the packing surface (wall) and the contents and there is no support between the packing surface and the contents, the impact location on the packing surface is preferably the geometric center of the unsupported span.

An unsupported span is considered substantial if it is greater than or equal to 50% of the width of the wrapper face or 50% of the length of the wrapper face, or measures more than 30 cm.

For packages in which the package face has a defined clearance from the contents, but no substantial unsupported span, the location of impact is preferably the geometric center of the face.

Such as the package contents being in contact with the package face (wall) or within 6mm, the location of impact of the surface is preferably determined at the point where the contents are closest to the surface.

Before the test, the sample should be provided with suitable conditioning equipment at a suitable humidity and temperature, and the test should be carried out, where possible, in the same conditioning environment as the conditioning equipment. If the test cannot be performed in a conditioned environment, the test is performed immediately after the package is removed from the conditioned environment, and an impact test is performed on each package side to be tested.

The test apparatus of the present embodiment is generally applicable to a range where the distance between the impact head 10 and the test specimen is not more than 1.0 m.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be understood by those skilled in the art that the scope of the present invention is not limited to the specific combination of the above-mentioned features, but also covers other embodiments formed by any combination of the above-mentioned features or their equivalents without departing from the spirit of the present invention. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Besides the technical features described in the specification, other technical features are known to those skilled in the art, and further description of the other technical features is omitted here in order to highlight the innovative features of the present invention.

Claims

1. The utility model provides an impact test device is concentrated to packing which characterized in that, includes vertical linear guide, the activity is provided with the free fall releaser on the linear guide, be provided with the impact head on the free fall releaser and be connected with elevating system, the free fall releaser can follow linear guide and remove and fix a position on linear guide under elevating system's drive, has camera device at the top fixed mounting of free fall releaser.

2. The apparatus for concentrated impact testing on packages according to claim 1, wherein the bottom end of the linear guide is fixed to the base.

3. The concentrated package impact test device according to claim 1 or 2, wherein the lifting mechanism comprises a lead screw and a servo motor, and an output shaft of the servo motor is connected with the lead screw; the free falling body releaser is arranged on the linear guide rail through a bracket, the bracket is provided with a screw hole meshed with the screw rod, and the screw rod is matched with the screw hole on the bracket to form a ball screw pair.

4. The concentrated package impact testing device according to claim 3, wherein the lead screw is connected with an output shaft of the servo motor through a coupling.

5. The packaged concentrated impact testing device of claim 1, wherein said free-fall releaser is an electromagnetic releaser.

6. The apparatus according to claim 5, wherein the lifting mechanism, the camera and the electromagnetic releaser are connected to a controller.

7. The apparatus for concentrated impact testing on packages according to claim 2, wherein the base is in the form of a platform or a plate.

8. The apparatus for the concentrated impact test of the package according to claim 1, wherein the impact head is cylindrical, the bottom end of the impact head protrudes outwards to form a hemisphere, and the total mass of the impact head is 680 ± 15 g.