CN210742040U

CN210742040U - Wear-resisting test equipment

Info

Publication number: CN210742040U
Application number: CN201921173966.XU
Authority: CN
Inventors: 胡科; 张轩; 杨钊; 朱成波
Original assignee: Hongfujin Precision Electronics Chengdu Co Ltd
Current assignee: Hongfujin Precision Electronics Chengdu Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-06-12
Anticipated expiration: 2029-07-24

Abstract

The utility model provides a wear-resisting test equipment, including the frame and locate the positioning mechanism in the frame, the positioning mechanism is used for fixing a position the product to be tested, wear-resisting test equipment still includes the support frame of locating in the frame, locate the driving piece on the support frame, the coupling assembling of being connected with the driving piece and the friction member of being connected with the coupling assembling, the friction member sets up with the positioning mechanism relatively, the driving piece is used for driving the coupling assembling and the friction member is rotatory, in order to carry out wear-resisting test to the product; the connecting assembly comprises a connecting sleeve, a rotating rod and a clamping and holding part, the connecting sleeve is fixedly connected with the driving part, one end of the rotating rod is embedded in the connecting sleeve and is connected with the connecting sleeve in a rotation stopping manner, the other end of the rotating rod is connected with the friction part, and the rotating rod can drive the friction part to move up and down relative to the connecting sleeve so as to adjust the distance between the friction part and the positioning mechanism. The wear-resistant test equipment can automatically complete the wear-resistant test on the product, and has high test efficiency and test reliability.

Description

Wear-resisting test equipment

Technical Field

The utility model relates to an automatic change test equipment field, especially a wear-resisting test equipment.

Background

After the electronic product is manufactured, a wear test is usually performed on a part of functional parts on the product to test whether the product meets the requirement of wear resistance. The traditional wear-resisting test method adopts manual friction products, however, the loading force applied manually changes along with the change of the holding force of the holding part, and the friction rotating speed and the rotating angle are unstable; the wear-resisting test needs many test times, and manual test count is difficult, and workman intensity of labour is big easily produces fatigue. Therefore, the manual testing method cannot achieve the required testing purpose quickly and efficiently, cannot accurately reflect the friction loss of the product function piece under the extreme testing condition, and has poor testing reliability.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a wear test apparatus capable of automatically performing a wear test to solve the above problems.

The utility model provides a wear-resisting test equipment, including the frame and locate the positioning mechanism in the frame, the positioning mechanism is used for fixing a position the product to be tested, wear-resisting test equipment still including locate the support frame in the frame, locate driving piece on the support frame, with the coupling assembling that the driving piece is connected and with the friction member that the coupling assembling is connected, the friction member with the positioning mechanism sets up relatively, the driving piece is used for driving the coupling assembling with the friction member is rotatory, in order to carry out wear-resisting test to the product; coupling assembling includes adapter sleeve, dwang and card and holds the piece, the adapter sleeve with driving piece fixed connection, the one end of dwang is inlayed and is located in the adapter sleeve and with the adapter sleeve splines and connects, the other end with the friction member is connected, just the dwang can drive the friction member for adapter sleeve up-and-down motion is in order to adjust the friction member with distance between the positioning mechanism.

Further, coupling assembling still includes the card and holds the piece, the card is held the piece card and is located one side of adapter sleeve, be equipped with at least one card and hold the hole on the dwang, the dwang can be followed the adapter sleeve is towards keeping away from positioning mechanism's direction removes, makes the card hold the piece with hold the hole block.

Furthermore, the rotating rod is provided with two clamping holes along the axial direction of the rotating rod; the clamping piece comprises a clamping block, a positioning pin and a first elastic piece, the positioning pin and the first elastic piece are sleeved on the positioning pin, a connecting hole is formed in the connecting sleeve, the positioning pin movably penetrates through the connecting hole, the clamping piece is clamped on the connecting sleeve, and the positioning pin is used for clamping the hole.

Furthermore, the wear-resisting test equipment also comprises a balancing weight arranged on the friction piece, and a jack is preset on the balancing weight and is used for being matched with a bolt convexly arranged on the friction piece.

Furthermore, the positioning mechanism comprises a positioning plate and a plurality of positioning blocks arranged at the edge of the positioning plate at intervals.

Further, positioning mechanism is still including locating heating element on the locating plate, heating element includes the heating block, locates heating rod in the heating block, and connect in temperature sensor on the heating block.

Furthermore, a bottom plate is arranged on one side of the rack, a first sliding rail and a second sliding rail perpendicular to the first sliding rail are arranged on the bottom plate, the support frame is connected with the first sliding rail in a sliding mode, and the positioning mechanism is connected with the second sliding rail in a sliding mode.

Further, wear-resisting test equipment is still including locating the latch mechanism of support frame one side, latch mechanism includes fixed block, fixture block, second elastic component, stop payment screw and adjusting block, the fixed block is fixed in on the bottom plate and link up set up with the parallel accepting hole of bottom plate, the fixture block is including the card portion of holding and the pole portion that is connected, pole portion wears to establish in the accepting hole, the card portion of holding with the adjusting block is located respectively the both sides of fixed block just are located outside the accepting hole, the stop payment screw cover is located pole portion is kept away from the one end of holding the portion of holding, just the second elastic component is located the stop payment screw with hold between the portion of holding, the adjusting block connect in the stop payment screw and can drive the stop payment screw is rotatory.

Furthermore, the number of the locking assemblies is two, and the two locking assemblies are respectively positioned on two sides of the supporting frame; the wear-resisting test equipment further comprises a plurality of damping mechanisms, the two damping mechanisms are respectively located on two sides of the support frame and are arranged opposite to the clamping and locking mechanisms, and the rest damping mechanisms are respectively arranged adjacent to the positioning mechanisms.

Further, the driving piece comprises a motor and a speed reducer connected with the motor.

Above-mentioned wear-resisting test equipment includes positioning mechanism, support frame, locates driving piece, coupling assembling and the friction member on the support frame, and the driving piece can drive coupling assembling and the friction member is rotatory to carry out wear-resisting test to the product through the friction member. Therefore, above-mentioned wear-resisting test equipment can replace manual work, accomplishes the wear-resisting test to the product automatically, has reduced the human cost, has realized accurate, quick, high-efficient, intelligent ground wear-resisting test to, friction rotation rate and rotation angle are stable, have promoted the reliability of test. Meanwhile, the connecting assembly comprises a connecting sleeve and a rotating rod, and the rotating rod drives the friction piece to move up and down relative to the connecting sleeve so as to adjust the distance between the friction piece and the positioning mechanism, thereby facilitating the taking and placing of products.

Drawings

Fig. 1 is a schematic perspective view of a wear test apparatus according to an embodiment of the present invention.

Fig. 2 is a perspective view of a positioning mechanism in the wear test apparatus shown in fig. 1.

Fig. 3 is a schematic perspective exploded view of a part of the structure of a testing mechanism in the wear test apparatus shown in fig. 1.

Fig. 4 is a perspective view of a latch mechanism in the wear test apparatus shown in fig. 1.

FIG. 5 is an exploded perspective view of the latch mechanism of FIG. 4.

Description of the main elements

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the present invention provides a wear testing apparatus 100 for performing a wear test on a product. The product may be an electronic product such as a mobile phone, but is not limited thereto. The wear-resistance test apparatus 100 includes a frame 10, a positioning mechanism 20 provided on the frame 10, and a testing mechanism 30.

A bottom plate 11 is disposed on one side of the frame 10, and a plurality of control buttons and a display screen (not shown) are disposed on the frame 10. It can be understood that the rack 10 may also be provided with electronic control elements such as an electronic control cabinet, a keyboard, a mouse, and the like. The electric control cabinet is used for controlling the actuation of the testing mechanism 30 and controlling the display screen to display the testing result.

Referring to fig. 1 and fig. 2, the positioning mechanism 20 is disposed on the bottom plate 11 and includes a positioning plate 21 and a plurality of positioning blocks 22 disposed at intervals at an edge of the positioning plate 21. The positioning plate 21 has a substantially rectangular plate shape. The positioning blocks 22 are respectively arranged on the positioning plate 21 in a protruding mode and used for limiting the periphery of a product.

In one embodiment, the positioning mechanism 20 further includes a heating assembly 23 disposed on the positioning plate 21 for heating the product demand location.

Preferably, the heating assembly 23 includes a heating block 231, a heating rod 232 disposed in the heating block 231, and a temperature sensor 233 connected to the heating block 231. The heating rod 232 is used for heating the heating block 231, and further heating the product on the positioning mechanism 20. The temperature sensor 233 is used to sense the temperature of the heating block 231 so as to adjust the temperature.

In one embodiment, the positioning mechanism 20 further includes one or more spacers 24 for supporting and elevating the product.

Referring to fig. 1 and 3, the testing mechanism 30 includes a supporting frame 31 disposed on the frame 10, a driving member 32 disposed on the supporting frame 31, a connecting assembly 33 connected to the driving member 32, and a friction member 34 connected to the connecting assembly 33. The friction member 34 is disposed opposite the positioning mechanism 20.

The supporting frame 31 spans both sides of the bottom plate 11. The driving member 32 is used for driving the connecting assembly 33 and the friction member 34 to rotate so as to perform a wear test on the product.

The connecting assembly 33 includes a connecting sleeve 331, a rotating rod 332 and a retaining member 333. The connecting sleeve 331 is fixedly connected with the driving member 32, one end of the rotating rod 332 is embedded in the connecting sleeve 331 and is connected with the connecting sleeve 331 in a rotation stopping manner, and the other end is connected with the friction member 34, so that the driving member 32 can drive the friction member 34 to rotate through the connecting assembly 33 to rub the product through the friction member 34.

The clamping member 333 is clamped at one side of the connecting sleeve 331, the rotating rod 332 is provided with at least one clamping hole 3321, and the rotating rod 332 can drive the friction member 34 to move up and down relative to the connecting sleeve 331, so that the clamping member 333 is clamped with the clamping hole 3321 to adjust the distance between the friction member 34 and the positioning mechanism 20, thereby facilitating the taking and placing of products.

In one embodiment, the driving device 32 includes a motor 321 and a speed reducer 322 connected to the motor 321. The connecting sleeve 331 is connected with the reducer 322. The connecting sleeve 331 is a hollow structure, and the connecting sleeve 331 is provided with a through hole 3311 along an axial direction thereof.

In one embodiment, the retaining member 333 includes a retaining block 3331, a positioning pin 3332 passing through the retaining block 3331, and a first elastic member 3333 disposed on the positioning pin 3332. The connecting sleeve 331 is provided with a connecting hole, and the positioning pin 3332 is movably inserted into the connecting hole, so that the clamping member 333 is clamped on the connecting sleeve 331. The rotating rod 332 is provided with two retaining holes 3321 along its axial direction. The positioning pin 3332 is adapted to engage with the retaining hole 3321.

During the wear test, the positioning pin 3332 is clamped with the connecting sleeve 331 and spaced from the rotating rod 332. After the test is completed, the rotating rod 332 and the friction member 34 are pushed to move towards the direction away from the bottom plate 11, so that the positioning pin 3332 is engaged with the clamping hole 3321 on the rotating rod 332 near one side of the positioning mechanism 20, and the rotating rod 332 is prevented from automatically dropping after being pushed upwards, and the distance between the friction member 34 and the positioning mechanism 20 is large, so that the product can be conveniently taken and placed. It can be understood that when the positioning pin is engaged with the catching hole 3321 of the side of the rotating lever 332 away from the positioning mechanism 20, the rotating lever 332 is prevented from falling off and being separated from the connecting sleeve 331.

The friction member 34 is a substantially cylindrical block having a mounting hole (not shown) at the center thereof, and the rotating rod 332 is connected to the friction member 34 through the mounting hole.

The friction member 34 is provided with a bolt (not shown) in an upward protruding manner, the testing mechanism 30 further includes a balancing weight 35 provided on the friction member 34, and a jack 351 is preset on the balancing weight 35 for matching with the bolt on the friction member 34 to achieve quick picking and placing and replacing, and meanwhile, eccentricity of a rotating force is avoided.

In one embodiment, the bottom plate 11 is provided with a first slide rail 12, and the supporting frame 31 is slidably connected to the first slide rail 12 to adjust the polishing position. The bottom plate 11 is further provided with a second slide rail 13 perpendicular to the first slide rail 12, and the positioning mechanism 20 is slidably connected with the second slide rail 13 to adjust the position of the product.

Referring to fig. 1, fig. 4 and fig. 5, the wear testing apparatus 100 further includes a locking mechanism 40 disposed on one side of the supporting frame for precisely positioning the supporting frame 31. The locking mechanism 40 includes a fixing block 41, a locking block 42, a second elastic member 43, a set screw 44 and an adjusting block 45.

The fixing block 41 is fixed to the bottom plate 11, and a receiving hole 411 parallel to the bottom plate 11 is formed through the fixing block 41.

The latch 42 includes a holding portion 421 and a rod portion 422 connected to each other, the rod portion 422 is inserted into the receiving hole 411, and the holding portion 421 and the adjusting block 45 are respectively disposed on two sides of the fixing block 41 and outside the receiving hole 411.

The retaining screw 44 is sleeved on one end of the rod 422 far away from the holding portion 421, and the second elastic element 43 is located between the retaining screw 44 and the holding portion 421.

The adjustment block 45 is substantially rectangular, and the adjustment block 45 is connected to the set screw 44 via a washer and a fixing bolt (not shown) and can rotate the set screw 44. In use, the locking mechanism 40 is fixed at a position where a locking requirement is required, and in the present embodiment, the locking mechanism 40 is installed at one side of the supporting frame 31. The adjusting block 45 and the set screw 44 are rotated according to the required locking force to adjust the locking force. Since the second elastic member 43 is built in the latch mechanism 40, the latch mechanism 40 can counteract the influence of the vibration of the device on the position of the support frame 31 by the built-in preset elastic force, and the latch force is convenient to adjust. In addition, the quick disassembly of the locking force can be realized by rotating the adjusting block 45 by 90 degrees.

In one embodiment, the number of the locking mechanisms 40 is two, and the two locking mechanisms are respectively arranged on two sides of the support frame 31.

In an embodiment, the wear test apparatus 100 further includes a plurality of shock absorbing mechanisms 50, and each shock absorbing mechanism 50 has a third elastic member built therein.

The two damping mechanisms 50 are respectively located at two sides of the supporting frame 31, and are opposite to the locking mechanism 40. The damping mechanism 50 also counteracts the effect of the device vibration on the position of the support 31 by means of a built-in preset spring force.

The remaining damper mechanisms 50 are respectively disposed adjacent to the positioning mechanisms 20 and abut against the positioning mechanisms 20. Preferably, the four damping mechanisms 50 are respectively located at four corners of the positioning mechanism 20, so that not only the position adjustment of the positioning plate 21 is realized, but also the influence of the device vibration on the position of the positioning plate 21 is offset by the built-in preset elastic force.

During the equipment, with automatically controlled subassembly installation such as industrial computer in frame 10, install bottom plate 11 in frame 10 one side to install first slide rail 12 and second slide rail 13 to bottom plate 11 on. The support bracket 31 is mounted on the base plate 11, and then the driving member 32, the coupling assembly 33 and the friction member 34 are mounted on the support bracket 31. Then, the locking mechanism 40 and the damping mechanism 50 are installed on the bottom plate 11 and the positions are adjusted, so that the locking and the accurate positioning of the required positions are realized, and the assembly of the whole machine equipment is completed.

When the device is used, a product to be tested is placed on the positioning mechanism 20, and the position of the product corresponding to the heating block 231 is heated at the same time, so that heat generated in the actual use of the product is simulated. The driving piece 32 drives the connecting assembly 33 and the friction piece 34 to rotate, and the friction piece 34 rubs the product when rotating, so that the rotating friction test of the relevant part of the product is realized.

During testing, the locking mechanism 40 and the damping mechanism 50 realize accurate positioning of the product testing position, and meanwhile, influence of equipment vibration on the positions of the positioning plate 21 and the support frame 31 in the testing process is avoided, so that the testing precision is high. After the abrasion resistance testing device 100 completes the test of the required temperature and the friction times, the test condition is displayed on the touch screen. After testing is complete, the rotating rod 332 and friction member 34 are pushed away from the base plate 11 to facilitate removal of product from the positioning mechanism 20.

The wear-resisting test equipment 100 comprises a positioning mechanism 20 and a test mechanism 30, wherein the test mechanism 30 comprises a support frame 31, a driving piece 32, a connecting assembly 33 and a friction piece 34, the driving piece 32 is arranged on the support frame 31, and the driving piece 32 can drive the connecting assembly 33 and the friction piece 34 to rotate so as to perform a wear-resisting test on a product through the friction piece 34.

Therefore, above-mentioned wear-resisting test equipment 100 can replace manual work, has reduced the human cost, has realized accurate, quick, high-efficient, intelligent ground wear-resisting test to, friction rotation rate and rotation angle are stable, have promoted the reliability of test. Meanwhile, the connecting assembly 33 includes a connecting sleeve 331 and a rotating rod 332, and the rotating rod 332 can drive the friction member 34 to move up and down relative to the connecting sleeve 331 so as to adjust the distance between the friction member 34 and the positioning mechanism 20, thereby facilitating the product taking and placing.

In addition, other changes may be made by those skilled in the art without departing from the spirit of the invention, and it is intended that all such changes be considered within the scope of the invention.

Claims

1. The utility model provides a wear-resisting test equipment, includes the frame and locates positioning mechanism in the frame, positioning mechanism is used for the product of location examination awaiting measuring, its characterized in that: the wear-resistant test equipment further comprises a support frame arranged on the rack, a driving piece arranged on the support frame, a connecting component connected with the driving piece and a friction piece connected with the connecting component, wherein the friction piece is arranged opposite to the positioning mechanism, and the driving piece is used for driving the connecting component and the friction piece to rotate so as to perform wear-resistant test on the product; coupling assembling includes adapter sleeve, dwang and card and holds the piece, the adapter sleeve with driving piece fixed connection, the one end of dwang is inlayed and is located in the adapter sleeve and with the adapter sleeve splines and connects, the other end with the friction member is connected, just the dwang can drive the friction member for adapter sleeve up-and-down motion is in order to adjust the friction member with distance between the positioning mechanism.

2. The wear test apparatus of claim 1, wherein: the connecting assembly further comprises a clamping piece, the clamping piece is clamped and arranged on one side of the connecting sleeve, at least one clamping hole is formed in the rotating rod, the rotating rod can move along the direction of the connecting sleeve far away from the positioning mechanism, and the clamping piece is clamped with the clamping hole.

3. The wear test apparatus of claim 2, wherein: the rotating rod is provided with two clamping holes along the axial direction; the clamping piece comprises a clamping block, a positioning pin and a first elastic piece, the positioning pin and the first elastic piece are sleeved on the positioning pin, a connecting hole is formed in the connecting sleeve, the positioning pin movably penetrates through the connecting hole, the clamping piece is clamped on the connecting sleeve, and the positioning pin is used for clamping the hole.

4. The wear test apparatus of claim 1, wherein: the wear-resisting test equipment further comprises a balancing weight arranged on the friction piece, and a jack is preset on the balancing weight and used for being matched with a bolt convexly arranged on the friction piece.

5. The wear test apparatus of claim 1, wherein: the positioning mechanism comprises a positioning plate and a plurality of positioning blocks arranged at the edge of the positioning plate at intervals.

6. The wear test apparatus of claim 5, wherein: positioning mechanism is still including locating heating element on the locating plate, heating element includes the heating block, locates heating rod in the heating block, and connect in temperature sensor on the heating block.

7. The wear test apparatus of claim 1, wherein: the automatic positioning device comprises a rack, and is characterized in that a bottom plate is arranged on one side of the rack, a first slide rail and a second slide rail perpendicular to the first slide rail are arranged on the bottom plate, a support frame is connected with the first slide rail in a sliding mode, and a positioning mechanism is connected with the second slide rail in a sliding mode.

8. The wear test apparatus of claim 7, wherein: wear-resisting test equipment is still including locating the clamping mechanism of support frame one side, clamping mechanism includes fixed block, fixture block, second elastic component, stop payment screw and adjusting block, the fixed block is fixed in on the bottom plate and link up set up with the parallel accepting hole of bottom plate, the fixture block is including the card portion of holding and pole portion that are connected, pole portion wears to establish in the accepting hole, the card portion of holding with the adjusting block is located respectively the both sides of fixed block just are located outside the accepting hole, the stop payment screw cover is located pole portion is kept away from the one end of holding the portion of holding, just the second elastic component is located the stop payment screw with hold between the portion of holding, the adjusting block connect in the stop payment screw just can drive the stop payment screw is rotatory.

9. The wear test apparatus of claim 8, wherein: the number of the locking assemblies is two, and the two locking assemblies are respectively positioned on two sides of the supporting frame; the wear-resisting test equipment further comprises a plurality of damping mechanisms, wherein the two damping mechanisms are respectively positioned on two sides of the support frame and are opposite to the corresponding clamping and locking mechanisms, and the rest damping mechanisms are respectively adjacent to the positioning mechanisms.

10. The wear test apparatus of claim 1, wherein: the driving piece comprises a motor and a speed reducer connected with the motor.