CN217845567U

CN217845567U - Elastic coefficient testing equipment for elastic part

Info

Publication number: CN217845567U
Application number: CN202222030400.XU
Authority: CN
Inventors: 王毓斌
Original assignee: Luxvisions Innovation Ltd
Current assignee: Luxvisions Innovation Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-11-18
Anticipated expiration: 2032-08-03

Abstract

The utility model relates to a components and parts test technical field specifically discloses an elastic component elastic coefficient test equipment. The equipment is used for testing a deformation film on an elastic piece of the stabilizer and comprises a fixed seat, a distance measuring component, two first clamping jigs and two second clamping jigs; the elastic part of the stabilizer is detachably arranged on the fixed seat, and the plane of the deformation film is vertical to the ground; the first clamping jigs and the second clamping jigs are different in weight, the two first clamping jigs can be adsorbed to each other by the deformation film at intervals, and the two second clamping jigs can be adsorbed to each other by the deformation film at intervals; the distance measuring assembly is relatively fixed with the fixed seat and used for measuring the distance between the first clamping jig or the second clamping jig and the distance measuring assembly in the vertical direction. The equipment measures the elastic coefficient according to the displacement data by changing the weight of the clamping jig; the clamping jig is utilized to offset the influence of the testing torque on the deformation membrane, and the deviation of the deformation quantity in the testing process is reduced, so that the accuracy of the testing result is ensured.

Description

Elastic coefficient testing equipment for elastic part

Technical Field

The utility model relates to a components and parts test technical field especially relates to an elastic component elastic coefficient test equipment.

Background

At present, a Sensor-Shift OIS (Sensor displacement optical image stabilizer) is generally selected as an optical anti-shake device of a camera module applied to the market to realize optical anti-shake. Since the Sensor-Shift OIS has the action requirement of left-right translation and reset, as shown in fig. 1, the Sensor-Shift OIS includes a stabilizer elastic member 900, and a deformation film 920 located at the center of the stabilizer elastic member 900 can cooperate with a metal spring piece, a Flexible Printed Circuit (FPC) or a Printed Circuit Board (PCB) to deform a hollowed-out cantilever 910, thereby realizing planar movement or rotation relative to a fixed frame 930.

The stabilizer spring 900 has a spring constant (i.e., k value) that affects the required urging force of the stabilizer spring 900 and that determines the frequency response of the system. Therefore, it is necessary to measure and control the elastic coefficient of the stabilizer spring 900.

Based on hooke's law F = kX, the amount of deformation can be measured by applying a thrust, and the k value can be calculated. Data to be measured in the stabilizer spring 900 are kX and kY, and the corresponding force application directions are parallel to the X-axis direction and the Y-axis direction. However, the deformation film 920 and the fixing frame 930 are located on the same plane, which makes it difficult to avoid the moment arm of the testing device from generating a moment, so that the hollow cantilever 910 is twisted and an accurate value cannot be measured, thereby increasing the testing difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elastic component elastic coefficient test equipment utilizes this equipment can offset test moment to the influence of deformation membrane, reduces the deviation of deformation volume in the test procedure to the accuracy of elastic coefficient test result has been ensured.

To achieve the purpose, the utility model adopts the following technical proposal:

an elastic element elastic coefficient testing device is used for testing a deformable membrane on an elastic element of a stabilizer and comprises a fixed seat, a distance measuring assembly, two first clamping jigs and two second clamping jigs; the stabilizer elastic piece is detachably arranged on the fixed seat, and the plane of the deformation film is vertical to the ground; the first clamping jigs and the second clamping jigs are different in weight, the two first clamping jigs can be mutually adsorbed at intervals of the deformation film, and the two second clamping jigs can be mutually adsorbed at intervals of the deformation film; the distance measuring assembly is fixed relative to the fixed seat and used for measuring the distance between the first clamping jig or the second clamping jig and the distance measuring assembly in the vertical direction.

As a preferred technical scheme of the elastic coefficient testing equipment for the elastic part, one side surface of the first clamping jig is a first binding surface, the plane where the first binding surface is located can be perpendicular to the ground, and when the two first clamping jigs are mutually adsorbed, the two first binding surfaces are bound; one side of the second clamping jig is a second binding face, the plane where the second binding face is located can be perpendicular to the ground, and when the two second clamping jigs are mutually adsorbed, the two second binding faces are mutually attached.

As a preferred technical scheme of the elastic coefficient testing equipment for the elastic member, the first clamping jig comprises a first balance weight member and a first suction part fixedly connected to the first balance weight member, and the two first suction parts can be mutually adsorbed; the second clamping jig comprises a second counterweight and a second adsorption piece fixedly connected with the second counterweight, and the second adsorption piece can adsorb each other.

As an optimal technical scheme of the elastic coefficient testing device for the elastic member, the first abutting surface is located on one side, away from the first weight member, of the first absorbing member, and the first abutting surface is located on one side, away from the second weight member, of the second absorbing member.

As an optimal technical scheme of the elastic coefficient testing equipment of the elastic element, the first adsorption element and the second adsorption element are magnetically attracted with each other.

As a preferred technical scheme of the elastic element elasticity coefficient testing equipment, one of the two first absorption parts is a magnet, and the other one is a magnetic conductive metal; one of the two second adsorption pieces is a magnet, and the other one of the two second adsorption pieces is made of magnetic conductive metal.

As a preferred technical scheme of the elastic coefficient testing equipment for the elastic part, one of the two first suction parts is a positive magnet, and the other one is a negative magnet; one of the two second adsorption pieces is a positive magnet, and the other one of the two second adsorption pieces is a negative magnet.

As the preferred technical scheme of the elastic element elastic coefficient testing equipment, the fixing seat is provided with an inserting groove, and the stabilizer elastic element can be inserted into the inserting groove.

As a preferred technical solution of the elastic coefficient testing device of the elastic element, the distance measuring assembly is located above the fixed seat, and when the two first clamping jigs are clamped on the elastic element of the stabilizer, the distance measuring assembly is located right above one first clamping jig; when the two second clamping jigs are clamped on the stabilizer elastic piece, the distance measuring assembly is positioned right above one of the second clamping jigs.

As the preferred technical scheme of the elastic coefficient testing equipment for the elastic part, the distance measuring assembly is a laser distance meter.

The utility model has the advantages that:

this elastic component elastic coefficient test equipment has realized the location operation to the stabilizer elastic component with the help of setting up of fixing base, has also ensured the plane perpendicular to ground that the deformation membrane is located simultaneously, has ensured that the gravity of centre gripping tool is on a parallel with the plane that the deformation membrane is located, has avoided the centre gripping tool to exert the condition that acts on the deformation membrane and can't offset the component force. The design that two centre gripping tools interval deformation membrane adsorbs each other, two centre gripping tools of constant weight make the moment of deformation membrane both sides offset naturally, have avoided moment influence from this, reduce the deviation of deformation volume in the test procedure to the accuracy of coefficient of elasticity test result has been promoted. The clamping jig arranged on two sides of the deformation film can be pulled down together with the deformation film by means of dead weight, and an operator can calculate the elastic coefficient of the deformation film according to the weight of the first clamping jig and the weight of the second clamping jig, the measured displacement difference of the first clamping jig when the first clamping jig is pulled down and the measured displacement difference of the second clamping jig when the second clamping jig is pulled down by sequentially clamping the two first clamping jigs and the two second clamping jigs in a mode of pulling down the two deformation film sides. The elastic coefficient of the deformation film can be calculated by changing the weight of the clamping jig.

Drawings

FIG. 1 is a schematic view of a prior art elastic member of a stabilizer;

fig. 2 is a schematic structural diagram i of an elastic coefficient testing apparatus for an elastic member according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram ii of an elastic coefficient testing apparatus for an elastic member according to an embodiment of the present invention.

In the figure:

100. a fixed seat; 200. a laser range finder;

300. a first clamping fixture; 310. a first weight member; 320. a first suction attachment;

400. a second clamping fixture; 410. a second counterweight; 420. a second adsorption member;

900. a stabilizer spring; 910. hollowing out the cantilever; 920. deforming the film; 930. a fixing frame is provided.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of 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.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the drawings.

As shown in fig. 1-3, the present embodiment provides an elastic element elastic coefficient testing apparatus for testing a deformable film 920 on a stabilizer elastic element 900, which includes a fixing base 100, a distance measuring assembly, two first clamping jigs 300 and two second clamping jigs 400; the stabilizer elastic member 900 is detachably mounted on the fixing base 100, and the plane of the deformation film 920 is perpendicular to the ground; the first clamping jigs 300 and the second clamping jigs 400 have different weights, the two first clamping jigs 300 can be adsorbed to each other at intervals of the deformation film 920, and the two second clamping jigs 400 can be adsorbed to each other at intervals of the deformation film 920; the distance measuring assembly is fixed relative to the fixing base 100, and is used for measuring the distance between the first clamping fixture 300 or the second clamping fixture 400 and the distance measuring assembly in the vertical direction.

This elastic component elastic coefficient test equipment has realized the location operation to stabilizer elastic component 900 with the help of setting up of fixing base 100, has also ensured the plane perpendicular to ground that deformation membrane 920 is located simultaneously, has ensured that the gravity of centre gripping tool is on a parallel with the plane that deformation membrane 920 is located, has avoided the centre gripping tool to exert the condition that acts on deformation membrane 920 and the component force that can't offset. Two centre gripping tools interval deformation membrane 920 designs of adsorbing each other, and two centre gripping tools of equidimension make the moment of deformation membrane 920 both sides offset naturally, have avoided the moment influence from this, reduce the deviation of deformation volume in the test process to the accuracy of elastic coefficient test result has been promoted. The clamping jig arranged on two sides of the deformation film 920 can be pulled down together with the deformation film 920 by means of self-weight, the mode that two first clamping jigs 300 and two second clamping jigs 400 are sequentially clamped on two sides of the deformation film 920 enables an operator to calculate the elastic coefficient of the deformation film 920 according to the weight of the first clamping jig 300 and the weight of the second clamping jig 400, the measured displacement difference when the first clamping jig 300 is pulled down and the measured displacement difference when the second clamping jig 400 is pulled down, the above flow is simple and reliable, the error is small, and the calculation is convenient. This equipment can calculate the elastic coefficient of deformation membrane 920 through the mode that changes centre gripping tool weight.

In another embodiment of this embodiment, the second clamping fixture 400 is not disposed in the device for testing elastic modulus of an elastic member, and the weight of the first clamping fixture 300 is adjustable. Through the mode of adjusting the gravity of first clamping tool 300, can obtain the clamping tool of different weight and displacement difference numerical value under the corresponding situation equally, through calculating above data to obtain the elastic coefficient of deformation membrane 920.

In this embodiment, one side surface of the first clamping jig 300 is a first attaching surface, a plane where the first attaching surface is located can be perpendicular to the ground, and when the two first clamping jigs 300 are mutually attached, the two first attaching surfaces are attached to each other; one side surface of the second clamping jig 400 is a second attaching surface, the plane where the second attaching surface is located can be perpendicular to the ground, and when the two second clamping jigs 400 are attached to each other, the two second attaching surfaces are attached to each other. Through the injecing to first binding face and second binding face, guaranteed the level and smooth of centre gripping tool with deformation membrane 920 laminating position, when having reduced deformation membrane 920 damage risk, still avoided the risk of deformation membrane 920 because of the unexpected deformation that the atress inequality produced, reduced the probability that other factors influence elastic component test result effectively.

Further, the first clamping jig 300 includes a first weight member 310 and a first suction device 320 fixedly connected to the first weight member 310, and the two first suction devices 320 can be sucked to each other; the second clamping fixture 400 includes a second weight member 410 and a second adsorbing member 420 fixedly connected to the second weight member 410, and the two second adsorbing members 420 can adsorb each other. The design of the position layout of the balance weight part and the adsorption part optimizes the structure of the elastic coefficient test equipment, reduces the difficulty of the elastic coefficient test equipment in completing the elastic test, simplifies the operation steps and reduces the workload of operators.

Still further, the first attaching surface is located on a side of the first absorbing member 320 facing away from the first weight member 310, and the first attaching surface is located on a side of the second absorbing member 420 facing away from the second weight member 410. Above design has planned the structural configuration of centre gripping tool when pressing from both sides and locate deformation membrane 920, has reduced the shared space of centre gripping tool, has reduced operating personnel's the work degree of difficulty.

Preferably, the two first suction members 320 are magnetically attracted to each other, and the two second suction members 420 are magnetically attracted to each other. Magnetism is inhaled and is connected the shortcoming that has the flexibility height, simple structure and connection stability are strong, can be smoothly and stable be applied to during the elastic component test, also reduced the risk that causes the damage to deformation membrane 920 simultaneously by a wide margin.

In other embodiments of this embodiment, the two clamping jigs are adopted to be buckled in a matching manner or the two clamping jigs are simultaneously provided with thrust to offset the influence of the moment, so that the two clamping jigs are stably connected.

In this embodiment, one of the two first attraction pieces 320 is a magnet, and the other is a magnetically conductive metal; one of the two second adsorption members 420 is a magnet, and the other is a magnetically conductive metal.

In another embodiment of this embodiment, one of the two first attraction pieces 320 is a positive pole magnet, and the other is a negative pole magnet; one of the two second adsorption members 420 is a positive pole magnet, and the other is a negative pole magnet.

Preferably, the fixing base 100 is provided with an insertion groove, and the stabilizer elastic member 900 can be inserted into the insertion groove. The design that the elastic element 900 of the stabilizer is inserted into the insertion groove ensures the positioning stability of the elastic element 900 on the fixing seat 100, ensures that the plane where the deformation film 920 is located is perpendicular to the ground, and further improves the accuracy of the test result of the elastic coefficient test equipment of the elastic element.

In the embodiment, the distance measuring assembly is located above the fixing base 100, and when two first clamping jigs 300 are clamped on the stabilizer elastic member 900, the distance measuring assembly is located right above one first clamping jig 300; when the two second clamping jigs 400 are clamped in the stabilizer elastic member 900, the distance measuring assembly is located right above one second clamping jig 400.

Through locating the mode directly over the centre gripping tool with the range finding subassembly, can record the gravity of centre gripping tool in the vertical direction and act on the position change around deformation membrane 920, can acquire the displacement difference numerical value that corresponds the centre gripping tool from this, be applied to among subsequent elastic coefficient's the calculation.

Further, the distance measuring component is a laser distance measuring instrument 200. Laser range finder 200 has range finding precision height, range finding time is short, distance display advantage such as directly perceived, power consumptive province and automatic power off, and laser range finder 200 easily with control system communication connection simultaneously, easily promote the degree of automation of range finding operation from this, when reducing operating personnel work load, still must survey the accuracy of data with effectual assurance.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. An elastic member elastic coefficient testing apparatus for testing a deformable membrane (920) on a stabilizer elastic member (900), comprising:

the stabilizer elastic piece (900) is detachably mounted on the fixed seat (100), and the plane of the deformation membrane (920) is perpendicular to the ground;

the clamping device comprises two first clamping jigs (300) and two second clamping jigs (400), wherein the first clamping jigs (300) and the second clamping jigs (400) are different in weight, the two first clamping jigs (300) can be adsorbed to each other at intervals of the deformation film (920), and the two second clamping jigs (400) can be adsorbed to each other at intervals of the deformation film (920);

the distance measuring assembly is fixed relative to the fixed seat (100) in position and used for measuring the distance between the first clamping jig (300) or the second clamping jig (400) and the distance measuring assembly in the vertical direction.

2. The elastic member elasticity coefficient testing apparatus according to claim 1, wherein one side surface of the first clamping fixture (300) is a first abutting surface, the first abutting surface is located on a plane which can be perpendicular to the ground, and when two first clamping fixtures (300) are mutually adsorbed, the two first abutting surfaces abut; one side face of the second clamping jig (400) is a second binding face, the plane where the second binding face is located can be perpendicular to the ground, and when the two second clamping jigs (400) are mutually adsorbed, the two second binding faces are bound.

3. The device for testing the elastic modulus of an elastic member according to claim 2, wherein the first clamping fixture (300) comprises a first weight member (310) and a first suction member (320) fixed to the first weight member (310), and the two first suction members (320) can be sucked to each other; the second clamping jig (400) comprises a second balance weight part (410) and a second adsorption part (420) fixedly connected to the second balance weight part (410), and the second adsorption parts (420) can adsorb each other.

4. The elastic member elastic coefficient testing apparatus according to claim 3, wherein the first abutting surface is located on a side of the first suction member (320) facing away from the first weight member (310), and the first abutting surface is located on a side of the second suction member (420) facing away from the second weight member (410).

5. The device for testing elastic modulus of an elastic member according to claim 3, wherein the two first suction members (320) are magnetically attracted to each other, and the two second suction members (420) are magnetically attracted to each other.

6. The spring rate test apparatus of claim 5, wherein one of the two first attraction members (320) is a magnet and the other is a magnetically conductive metal; one of the two second adsorption pieces (420) is a magnet, and the other one is a magnetic conductive metal.

7. The elastic member elastic coefficient testing apparatus according to claim 5, wherein one of the two first suction members (320) is a positive pole magnet and the other is a negative pole magnet; one of the two second adsorption pieces (420) is a positive magnet, and the other one is a negative magnet.

8. The elastic coefficient testing device of the elastic element according to claim 1, wherein the fixing base (100) is provided with an insertion groove, and the stabilizer elastic element (900) can be inserted into the insertion groove.

9. The elastic member elasticity coefficient testing apparatus according to any one of claims 1 to 8, wherein the distance measuring assembly is located above the fixed base (100), and when two first clamping jigs (300) are clamped on the stabilizer elastic member (900), the distance measuring assembly is located right above one first clamping jig (300); when the two second clamping jigs (400) are clamped on the stabilizer elastic piece (900), the distance measuring assembly is positioned right above one second clamping jig (400).

10. Device for testing the elastic modulus of an elastic element according to claim 9, characterized in that said distance measuring means is a laser distance meter (200).