Automatic positioning and retaining device
阅读说明:本技术 一种自动定位保持装置 (Automatic positioning and retaining device ) 是由 宋扬 黄富桦 胡仁有 黄小龙 程宗平 于 2020-05-08 设计创作,主要内容包括:本发明旨在提供一种测试精度高、效率高且使用方便的自动定位保持装置。本发明包括安装板、浮动载板组件以及若干下压组件,若干所述下压组件均固定在所述安装板上,所述浮动载板组件包括浮动板以及导向定位组件,所述浮动板与所述安装板浮动连接,所述安装板上设置有与待测产品配合的柔性限位结构,所述下压组件包括下压气缸、顶部软胶限位件和压块,所述压块固定在所述下压气缸的活动端,所述压块与所述浮动板配合,所述顶部软胶限位件远离软胶部分的一端与所述下压气缸的缸体铰接,所述顶部软胶限位件的杆部与所述下压气缸的活动端传动连接。本发明应用于测试定位装置的技术领域。(The invention aims to provide an automatic positioning and retaining device which is high in testing precision, high in efficiency and convenient to use. The flexible glue pressing device comprises an installation plate, a floating support plate assembly and a plurality of pressing assemblies, wherein the pressing assemblies are all fixed on the installation plate, the floating support plate assembly comprises a floating plate and a guiding and positioning assembly, the floating plate is in floating connection with the installation plate, a flexible limiting structure matched with a product to be tested is arranged on the installation plate, the pressing assembly comprises a pressing cylinder, a top flexible glue limiting piece and a pressing block, the pressing block is fixed at the movable end of the pressing cylinder and matched with the floating plate, one end, far away from a flexible glue part, of the top flexible glue limiting piece is hinged to a cylinder body of the pressing cylinder, and a rod part of the top flexible glue limiting piece is in transmission connection with the movable end of the pressing cylinder. The invention is applied to the technical field of testing and positioning devices.)
1. An automatic positioning and retaining device, characterized in that: it comprises a mounting plate (1), a floating support plate component and a plurality of pressing components, wherein the pressing components are fixed on the mounting plate (1), the floating support plate component comprises a floating plate (2) and a guiding and positioning component, the floating plate (2) is connected with the mounting plate (1) in a floating way, a flexible limiting structure matched with a product to be tested is arranged on the mounting plate (1), the pressing component comprises a pressing cylinder (3), a top soft rubber limiting part (4) and a pressing block (5), the pressing block (5) is fixed at the movable end of the pressing cylinder (3), the pressing block (5) is matched with the floating plate (2), one end of the top soft rubber limiting part (4) far away from the soft rubber part is hinged with the cylinder body of the pressing cylinder (3), the rod part of the top soft rubber limiting part (4) is connected with the movable end of the pressing cylinder (3) in a transmission way, when the pressing block (5) presses the floating plate (2) to a lower limiting position, the supporting surface of the flexible limiting structure is higher than the upper surface of the floating plate (2).
2. An automatic positioning and retaining device as claimed in claim 1, wherein: the bottom of mounting panel (1) is provided with test circuit board (6) and recording element (7), still be provided with on mounting panel (1) with the female head of the magnetic connector (8) of the public first looks adaptation of connector of the product that awaits measuring, recording element (7) with the female head of magnetic connector (8) all with test circuit board (6) electric connection, test circuit board (6) and outside upper computer electrical signal connection.
3. An automatic positioning and retaining device as claimed in claim 2, wherein: the novel voice recorder is characterized by further comprising a connecting support (9) and a fixing block (10), wherein the connecting support (9) is connected with the mounting plate (1) in a matched mode through a first waist-shaped hole, the fixing block (10) is connected with the connecting support (9) in a matched mode through a second waist-shaped hole, and the recording element (7) is fixed on the fixing block (10).
4. An automatic positioning and retaining device as claimed in claim 1, wherein: the mounting plate (1) is located below the floating plate (2), a plurality of floating assemblies are arranged at the bottom of the floating plate (2), each floating assembly comprises a guide pillar (11), an equal-height screw (12) and a floating spring (13), the guide pillars (11) are fixed at the bottom of the floating plate (2), the mounting plate (1) is provided with guide sleeves (14) matched with the guide pillars (11), the equal-height screws (12) penetrate through the mounting plate (1) and then are in threaded connection with the floating plate (2), the floating springs (13) are sleeved on the equal-height screws (12), and the floating springs (13) are located between the mounting plate (1) and the floating plate (2).
5. An automatic positioning and retaining device as claimed in claim 1, wherein: the guide positioning assembly comprises a plurality of guide modules and a plurality of positioning pins (15), the positioning pins (15) are fixedly arranged on the floating plate (2), the positioning pins (15) are matched with a plurality of positioning holes on a product to be detected in a one-to-one correspondence manner, each guide module comprises a sliding frame (16), a guide block (17) and a reset spring (18), the guide blocks (17) are in sliding fit in the sliding frames (16), the sliding frames (16) are fixedly connected with the floating plate (2), the guide blocks (17) are in inverted L shapes, the outer sides of the top ends of the guide blocks (17) are in chamfer shapes, the bottom of each guide block (17) is provided with a limit inclined plane (19), the mounting plate (1) is correspondingly provided with rolling bearings (20) matched with the limit inclined plane (19), one end of each reset spring (18) is matched with one surface of each guide block (17) far away from the chamfer end, the other end of the return spring (18) is matched with the sliding frame (16).
6. An automatic positioning and retaining device as claimed in claim 1, wherein: the flexible limiting structure comprises a plurality of bottom soft rubber supporting blocks (21) and a plurality of side soft rubber limiting blocks (22), the bottom soft rubber supporting blocks (21) are in contact with and support the bottom surface of a product to be tested, the side soft rubber limiting blocks (22) are evenly distributed on the periphery of the floating plate (2) and are in contact with and limited by the side walls of the product to be tested, and the side soft rubber limiting blocks (22) are in contact with and limited by the side walls of the product to be tested.
7. An automatic positioning and retaining device as claimed in claim 1, wherein: the number of the pressing assemblies is at least three.
8. An automatic positioning and retaining device as claimed in claim 1, wherein: and the lower air cylinders (3) of all the lower pressure components are communicated with the same air source.
Technical Field
The invention is applied to the technical field of testing and positioning devices, and particularly relates to an automatic positioning and retaining device for testing a vibrating motor.
Background
At present, vibration motors are often arranged in electronic products to be tested, such as mobile phones, flat plates and the like, on the market, so that vibration prompt is realized, the performance of the vibration motors needs to be tested during production, one test aiming at acoustics is to collect vibration sound wave curves of the vibration motors under vibration of different frequencies, and therefore the test of the vibration motors or parts for fixing the vibration motors needs to be in a free state during vibration, namely, the XYZ three-axis has no limitation of freedom degree. For example, chinese patent publication No. 206192643U discloses a motor vibration testing machine, which realizes fixing of a product carrier to be tested by matching a pressing plate with a groove of a substrate, and further performs various tests on a vibration motor, but the acoustic testing part has a certain influence on the testing precision due to the horizontal position limitation. At present, the effect of simulating suspension is realized by arranging the floating plate at the bottom of the groove, but the floating structure of the floating plate and the limit of the side surface have the possibility of interfering the test result. Meanwhile, the flip structure needs to be opened and closed manually, and the production efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provides the automatic positioning and retaining device which is high in testing precision, high in efficiency and convenient to use.
The technical scheme adopted by the invention is as follows: the invention comprises a mounting plate, a floating carrier plate component and a plurality of pressing components, wherein the pressing components are all fixed on the mounting plate, the floating carrier plate assembly comprises a floating plate and a guiding and positioning assembly, the floating plate is connected with the mounting plate in a floating way, the mounting plate is provided with a flexible limiting structure matched with a product to be detected, the pressing assembly comprises a pressing cylinder, a top soft rubber limiting part and a pressing block, the pressing block is fixed at the movable end of the lower pressing cylinder and matched with the floating plate, one end of the top soft rubber limiting piece, which is far away from the soft rubber part, is hinged with the cylinder body of the pressing cylinder, the rod part of the top soft rubber limiting piece is in transmission connection with the movable end of the pressing cylinder, when the floating plate is pressed to the lower limit by the pressing block, the supporting surface of the flexible limiting structure is higher than the upper surface of the floating plate.
It is obvious by above-mentioned scheme, through top flexible glue locating part with flexible limit structure realizes supporting and spacing to the product that awaits measuring, utilizes flexible material to have the characteristic of better deformability to and the vibrating motor amplitude is not very big, realize guaranteeing to support with spacing prerequisite under, make the product that awaits measuring be free state in certain space, and then guarantee that the sound wave when the product that awaits measuring vibrates is not influenced. Realize through adopting articulated form top flexible glue locating part can make rotary motion, and then avoid interfering putting into and taking out of the product that awaits measuring, through the expansion end of push down the cylinder with the pole portion transmission of top flexible glue locating part is connected and is realized driving top flexible glue locating part rotates. The pressing cylinder drives the pressing block to press downwards, floating pressing is achieved, the supporting surface of the flexible limiting structure is exposed, and switching to a testing state is achieved. Through direction locating component on the floating plate realizes the direction and the location of the product that awaits measuring, and then ensures that the product that awaits measuring accurate with push down the subassembly flexible limit structure cooperation. Carry out limit structure's drive through adopting the cylinder, and then liberation manpower, the product of being convenient for and the cooperation of outside manipulator improve production efficiency.
One preferred scheme is, the bottom of mounting panel is provided with test circuit board and recording element, still be provided with on the mounting panel with the female head of the public head looks adaptation of connector of the product that awaits measuring, recording element with the female head of magnetic connector all with test circuit board signal connection, test circuit board and outside upper computer electrical signal connection.
According to the scheme, the test circuit board is a circuit board for testing a conventional vibration motor, and the vibration sound waves of the product are collected through the recording element. Through adopting the magnetic connector realizes the product to be tested as the conducting structure with the test circuit board's signal of telecommunication intercommunication switches on through the automatic actuation of magnetic force, improves work efficiency, guarantees the effective reliable connection of connector public head and connector female head simultaneously through magnetic force and switches on.
The recording device further comprises a connecting support and a fixing block, wherein the connecting support is connected with the mounting plate in a matched mode through a first waist-shaped hole, the fixing block is connected with the connecting support in a matched mode through a second waist-shaped hole, and the recording element is fixed on the fixing block.
According to the scheme, the position of the recording element is adjusted by matching the connecting support and the fixing block, so that the recording element can be adjusted to the optimal position for acquiring sound waves conveniently.
According to a preferable scheme, the mounting plate is located below the floating plate, a plurality of floating assemblies are arranged at the bottom of the floating plate, each floating assembly comprises a guide pillar, an equal-height screw and a floating spring, the guide pillars are fixed at the bottom of the floating plate, the mounting plate is provided with a guide sleeve matched with the guide pillars, the equal-height screws penetrate through the mounting plate and then are in threaded connection with the floating plate, the floating springs are sleeved on the equal-height screws, and the floating springs are located between the mounting plate and the floating plate.
According to the scheme, the floating plate is limited by the equal-height screws, the highest moving distance of the floating plate is limited, and the floating spring provides thrust to enable the floating plate to automatically reset. The guide columns are arranged to improve the linear motion precision of the floating plate.
One preferred scheme is, the direction locating component includes a plurality of direction modules and a plurality of locating pin, and is a plurality of the locating pin is fixed to be set up float on the board, and is a plurality of locating hole one-to-one cooperation on locating pin and the product that awaits measuring, the direction module includes carriage, guide block and reset spring, guide block sliding fit is in on the carriage, the carriage with float board fixed connection, the guide block is the L font of invering, the top outside of guide block is the chamfer form, the bottom of guide block is equipped with spacing inclined plane, correspond on the mounting panel be equipped with spacing inclined plane complex antifriction bearing, reset spring's one end with the guide block keeps away from the one side cooperation of chamfer end, reset spring's the other end with the carriage cooperation.
According to the scheme, the lower edge of the product to be tested is guided preliminarily through the chamfer end of the guide block, and then accurate positioning is realized through the positioning pin, so that the product to be tested is moved to a testing position and is butted with the conducting structure. When the floating plate descends through the limiting inclined plane, the guide block is driven by the rolling bearing to move towards the direction away from the product to be tested, and therefore the influence on the test effect caused by the contact of the guide block and the product to be tested is avoided. And resetting the guide block through the reset spring. The upper surface position of guide block is less than the upper surface position of the product that awaits measuring, can not influence the taking out of product.
According to a preferred scheme, the flexible limiting structure comprises a plurality of bottom soft rubber supporting blocks and a plurality of side soft rubber limiting blocks, the bottom soft rubber supporting blocks are in contact with and support the bottom surface of the product to be detected, the side soft rubber limiting blocks are evenly distributed on the periphery of the floating plate, and the side soft rubber limiting blocks are in contact with and limit the side wall of the product to be detected.
According to the scheme, the bottom soft rubber supporting block and the side soft rubber limiting block are both made of flexible materials with small hardness, and have good deformation capacity.
Preferably, the number of the pressing assemblies is at least three.
According to the scheme, the at least three pressing assemblies can ensure that the product to be tested can not jump or tilt when vibrating.
Preferably, the pressing cylinders of all the pressing assemblies are communicated with the same air source.
According to the scheme, the same air source is used for unified regulation and control, and therefore all the pressing assemblies can move synchronously.
Drawings
FIG. 1 is a perspective view of the present invention in a loaded state;
FIG. 2 is a schematic perspective view of a first aspect of the present invention;
FIG. 3 is a perspective view of the present invention from a second perspective;
FIG. 4 is a perspective view of a third aspect of the present invention;
FIG. 5 is a schematic perspective view of the hold-down assembly;
figure 6 is a cross-sectional view of the floating carrier plate assembly.
Detailed Description
As shown in fig. 1 to 6, in this embodiment, the present invention includes a mounting plate 1, a floating carrier plate assembly and four sets of hold-down assemblies, wherein the four sets of hold-down assemblies are all fixed on the mounting plate 1, the floating carrier plate assembly includes a
In this embodiment, the bottom of mounting panel 1 is provided with test circuit board 6 and recording element 7, still be provided with on mounting panel 1 with the
In this embodiment, the present invention further includes a connecting bracket 9 and a fixing block 10, wherein the connecting bracket 9 is connected to the mounting plate 1 through a first waist-shaped hole, the fixing block 10 is connected to the connecting bracket 9 through a second waist-shaped hole, and the recording element 7 is fixed to the fixing block 10.
In this embodiment, the mounting plate 1 is located below the
In this embodiment, the guiding and positioning assembly includes a plurality of guiding modules and a plurality of
In this embodiment, flexible limit structure includes a plurality of bottom flexible
In the present embodiment, the push-down cylinders 3 of all the push-down assemblies are communicated with the same air source.
The working principle of the invention is as follows:
as shown in fig. 2, in the initial state, the push-down cylinder 3 is in an extended state, the vibration motor to be tested is loaded on the carrier, and is moved to the upper side of the
The lower air cylinder 3 retracts to drive the pressing block 5 to move downwards and drive the top soft rubber limiting part 4 to rotate, and the pressing block 5 is in contact with the
During testing, the test circuit board 6 transmits electric energy to the vibration motor to be tested through the magnetic connector
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