CN219087273U

CN219087273U - Push-pull type RF test fixture

Info

Publication number: CN219087273U
Application number: CN202223207037.0U
Authority: CN
Inventors: 刘志峰; 黄朝锋; 张兴锋
Original assignee: Huizhou Guide Measurement And Control Technology Co ltd
Current assignee: Huizhou Guide Measurement And Control Technology Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-26
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the technical field of earphone production, in particular to a push-pull type RF test fixture, which comprises a base, a support frame arranged on the base, a coupling plate arranged on the support frame, and a positioning fixture arranged below the coupling plate, wherein the positioning fixture moves along the horizontal direction under the drive of a linear push-pull mechanism arranged on the base; the support frame is including setting up the supporting seat on the base, and vertical setting is in the backup pad on the supporting seat, sets up the fixed plate in the backup pad, the coupling board connect in the bottom of fixed plate, the fixed plate is provided with an opening that runs through its upper and lower both ends face. The positioning jig can be moved to a position which is not interfered, so that the manipulator can conveniently and rapidly take and discharge materials, and the manipulator automatically enters the lower part of the coupling plate to test after the taking and discharging materials are finished, the whole process is concise and rapid in action, and the manipulator can be flexibly adapted to realize automatic feeding and discharging, so that the operation efficiency is improved, and the production cost is reduced.

Description

Push-pull type RF test fixture

Technical Field

The utility model relates to the technical field of acoustics, in particular to a push-pull type RF test fixture.

Background

The earphone is a pair of conversion units which can receive the electric signals sent by the media player or the receiver, and convert the electric signals into sound waves which can be heard by human ears by utilizing the sound production units close to the ears. The earphone can avoid affecting bystanders, and also can isolate sounds of surrounding environment, so that the surrounding environment is prevented from affecting the earphone. Conventional headphones are generally applied to products such as mobile phones, walkman, portable game and digital audio players, and are connected to the products through wires, and TWS headphones for transmitting audio signals wirelessly have been increasingly popular in recent years with rapid development of technology. In order to ensure the quality of the earphone during the production process of the earphone, after the earphone is produced, the earphone must be tested to ensure the quality of the earphone, and the RF test is one of the items of earphone test. When RF test is performed, the earphone is required to be placed on a positioning jig arranged in a box body of the test equipment, and then the test equipment tests the earphone. In the traditional testing process, feeding and discharging are generally performed manually, a worker puts the earphone into the jig, and the test is started after positioning is confirmed. With the improvement of the requirement on production efficiency, a manipulator is adopted to replace a manual feeding and discharging mode at present, but the manipulator is generally required to be provided with clamping jaws for taking and placing the earphone, the clamping jaw is large in size, the clamping jaw stretches into the upper part of the jig to be easily interfered with the earphone, effective actions are difficult to realize, for example, in the test equipment disclosed by the publication No. CN213368153U, other component structures such as a pressing mechanism are arranged on the jig inside the test box, and the actions of taking and placing the earphone are easily interfered.

Disclosure of Invention

In order to solve the problems, the utility model provides a push-pull type RF test jig capable of realizing automatic feeding by matching with a manipulator, and the push-pull type RF test jig can move a positioning jig to a position which does not cause interference to the manipulator when the manipulator performs feeding and discharging.

The utility model is realized by the following scheme:

the push-pull type RF test fixture comprises a base, a support frame arranged on the base, a coupling plate arranged on the support frame, and a positioning fixture arranged below the coupling plate and used for placing a product to be tested, wherein the positioning fixture moves along the horizontal direction under the drive of a linear push-pull mechanism arranged on the base; the support frame including set up in supporting seat on the base, vertically set up in backup pad on the supporting seat, set up in fixed plate in the backup pad, the coupling board connect in the bottom of fixed plate, the fixed plate is provided with an opening that runs through its upper and lower both ends face. The fixed plate is connected in the position that the backup pad side is close to the top, and backup pad and fixed plate generally constitute "L" shape, have the interval between the bottom surface and the base of fixed plate, and this interval can be used for holding the positioning jig, and the positioning jig can remove the fixed plate below or leave the fixed plate below under the drive of sharp push-pull mechanism.

Further, the linear push-pull mechanism comprises a linear driving assembly arranged on the base, a movable seat connected with the output end of the linear driving assembly, and the positioning jig is arranged on the movable seat. The positioning jig can be fixedly connected with the movable seat through the fastening piece, so that when the linear driving assembly drives the movable seat to move, the positioning jig moves along with the linear driving assembly.

Further, the movable seat comprises a fixing part connected with the output end of the linear driving assembly, a connecting part arranged on one side of the fixing part, and the positioning jig is arranged on the connecting part.

Further, the linear driving assembly is a rodless cylinder. Because the movable seat comprises the connecting part, when the rodless cylinder drives the movable seat to reach the end position, the connecting part can extend out of the end part of the rodless cylinder, namely, the positioning jig can extend out of the end part of the rodless cylinder, so that the positioning jig can be in a relatively open position, and the earphone taking and placing process cannot be interfered.

Further, the bottom surface of the fixing plate is provided with a mounting groove for mounting the coupling plate. The coupling plate is installed in the mounting groove, and when the positioning jig of placing the earphone removes the coupling plate below, the coupling plate can carry out radio communication with the earphone to test the earphone.

Further, the positioning jig comprises a jig body, a product groove which is arranged on the jig body and used for placing a product to be tested, and a supporting table which is arranged on one side of the upper end face of the jig body and used for supporting the product. The TWS earphone with the conversation function generally comprises an earphone body worn on the ear of a human body and a handle extending from the earphone body, wherein a supporting table of the jig body is used for supporting the handle of the TWS earphone.

Further, the supporting table is provided with a positioning supporting groove. The support groove is adaptively arranged according to the specification of the TWS earphone, and the handle of the TWS earphone is placed in the support groove.

Further, a connecting groove for connecting the fixing plate is formed in the side face of the supporting plate.

Further, a plurality of kidney-shaped holes for installing fasteners are formed in the positions, corresponding to the fixing plates, of the supporting plates. The waist-shaped holes are formed, so that the height of the fixing plate can be adjusted in a certain range, namely the distance between the coupling plate and the positioning jig is adjusted, and the earphone is convenient to adapt to earphones of different specifications.

Further, a plurality of connecting support legs are arranged on the base. The connection support leg facilitates connection of the base to the inside of the shielding box for testing.

Compared with the prior art, the utility model has the following beneficial effects:

the coupling plate is arranged above the positioning jig, and the positioning jig can enter or leave the lower part of the coupling plate under the drive of the linear push-pull mechanism, so that the positioning jig can move to a position which is not interfered, a manipulator can conveniently and rapidly take and discharge materials, the manipulator automatically enters the lower part of the coupling plate for testing after the taking and discharging materials are finished, the whole process is simple and rapid in action, and the manipulator can be flexibly adapted to realize automatic feeding and discharging, so that the operation efficiency is improved, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a push-pull RF test fixture according to the present utility model.

FIG. 2 is a schematic diagram of a moving seat and a positioning jig according to the present utility model.

FIG. 3 is a schematic diagram of two positions of the positioning fixture according to the present utility model.

The figure comprises the following components:

base 1, connection stabilizer blade 11, support frame 2, supporting seat 21, backup pad 22, fixed plate 23, opening 24, mounting groove 25, spread groove 26, kidney-shaped hole 27, coupling plate 3, positioning jig 4, jig body 41, product groove 42, supporting table 43, supporting groove 44, straight push-pull mechanism 5, straight driving component 51, movable seat 52, fixed part 52a, connecting part 52b.

Detailed Description

In order to facilitate an understanding of the present utility model by those skilled in the art, the present utility model will be described in further detail with reference to specific examples and drawings.

Example 1

Referring to fig. 1 to 3, the push-pull RF test fixture provided by the utility model comprises a base 1, a support frame 2 arranged on the base 1, a coupling plate 3 arranged on the support frame 2, and a positioning fixture 4 arranged below the coupling plate 3 and used for placing a product to be tested, wherein the positioning fixture 4 moves along the horizontal direction under the drive of a linear push-pull mechanism 5 arranged on the base 1; the support frame 2 includes set up in supporting seat 21 on the base 1, vertical set up in backup pad 22 on the supporting seat 21, set up in fixed plate 23 on the backup pad 22, coupling plate 3 connect in the bottom of fixed plate 23, fixed plate 23 is provided with an opening 24 that runs through its upper and lower both ends face. The opening 24 can reduce the weight of the fixing plate 23 and can facilitate wiring.

The fixing plate 23 is connected to the side of the supporting plate 22 near the top, the supporting plate 22 and the fixing plate 23 are generally formed in an L shape, a space is arranged between the bottom surface of the fixing plate 23 and the base 1, the space can be used for accommodating the positioning jig 4, and the positioning jig 4 can be moved below the fixing plate 23 or separated from the lower side of the fixing plate 23 under the driving of the linear push-pull mechanism 5. The initial position of the positioning jig 4 is not under the coupling plate 3, and after the earphone is put into the positioning jig 4, the linear push-pull mechanism 5 moves the positioning jig 4 under the coupling plate 3, so that the coupling plate 3 can communicate with the earphone wirelessly.

The linear push-pull mechanism 5 comprises a linear driving assembly 51 arranged on the base 1, a movable seat 52 connected with the output end of the linear driving assembly 51, and the positioning jig 4 is arranged on the movable seat 52. The positioning jig 4 can be fixedly connected with the movable seat 52 through a fastener, so that when the linear driving assembly 51 drives the movable seat 52 to move, the positioning jig 4 moves along with the movement. In addition, in the implementation, a sensor may be further disposed on one side of the linear push-pull mechanism 5 to sense the position of the positioning fixture 4, where the sensor may be a photoelectric sensor or a distance sensor.

The movable seat 52 includes a fixing portion 52a connected to the output end of the linear driving assembly 51, a connecting portion 52b disposed on one side of the fixing portion 52a, and the positioning jig 4 is disposed on the connecting portion 52b.

The linear drive assembly 51 is a rodless cylinder. Because the movable seat 52 includes the connecting portion 52b, when the rodless cylinder drives the movable seat 52 to the end position, the connecting portion 52b can extend out of the end of the rodless cylinder, that is, the positioning jig 4 can extend out of the end of the rodless cylinder, so that the positioning jig 4 can be in a relatively open position, and no interference is caused to the earphone picking and placing process. In this embodiment, when the movable seat 52 is located at one end of the rodless cylinder, the positioning jig 4 is located below the coupling plate 3, and when the movable seat 52 is located at the other end of the rodless cylinder, the positioning jig 4 extends out of the end of the rodless cylinder (as shown in fig. 3, two positions of the positioning jig 4 are shown).

The bottom surface of the fixing plate 23 is provided with a mounting groove 25 for mounting the coupling plate 3. The coupling plate 3 is installed in the mounting groove 25, and when the positioning jig 4 with the earphone is moved to the lower side of the coupling plate 3, the coupling plate 3 can perform wireless communication with the earphone to test the earphone.

The positioning jig 4 comprises a jig body 41, a product groove 42 which is arranged on the jig body 41 and used for placing a product to be tested, a supporting table 43 which is arranged on one side of the upper end face of the jig body 41 and used for supporting the product, and the product groove 42 can be adaptively arranged according to the specific model of the earphone. The TWS earphone with the talking function generally has an earphone body worn on the ear of the human body and a handle extending from the earphone body, and the support table 43 of the jig body 41 is used for supporting the handle of the TWS earphone.

The support table 43 is provided with a positioning support groove 44. The support groove 44 is adapted according to the specifications of the TWS headset, and the stem of the TWS headset is placed in the support groove 44. The cooperation of the product slot 42 and the support slot 44 ensures that the earphone can be accurately maintained at a predetermined position without shifting, and ensures the accuracy and consistency of the test results.

The side of the support plate 22 is provided with a connecting groove 26 for connecting the fixing plate 23, and the fixing plate 23 is caught in the connecting groove 26 when being mounted.

The support plate 22 is provided with a plurality of kidney-shaped holes 27 for installing fasteners at positions corresponding to the fixing plate 23. The waist-shaped holes are arranged to enable the fixing plate 23 to be capable of adjusting the height within a certain range, namely adjusting the distance between the coupling plate 3 and the positioning jig 4 so as to adapt to earphones of different specifications.

A plurality of connecting support legs 11 are arranged on the base 1. The connection feet 11 facilitate the connection of the base 1 to the inside of the shielding cage for testing.

In the using process, the utility model needs to be matched with the shielding box for use, and the shielding box can isolate external noise and avoid the influence of other sounds in the testing process. When the earphone is arranged in the shielding box, one end of the linear push-pull mechanism 5 is required to face outwards, namely, one end, which can extend out of the positioning jig 4, faces outwards, and the earphone can be conveniently taken and placed through the arrangement. When earphone testing is carried out, firstly, the earphone is put on the positioning jig 4, then the positioning jig 4 is pushed and pulled below the coupling plate 3 by the linear push-pull mechanism, then the shielding box is closed, the coupling plate 3 and the earphone are in wireless connection for RF testing, after the testing is finished, the shielding box is opened, the positioning jig 4 is pushed and pulled to the front side by the linear push-pull mechanism 5, at the moment, the earphone after the testing is finished is taken out, a testing flow is completed, and then a new earphone to be tested is put in.

Example 2

The utility model provides a push-pull type RF test fixture, which comprises a base 1, a support frame 2 arranged on the base 1, a coupling plate 3 arranged on the support frame 2, and a positioning fixture 4 arranged below the coupling plate 3 and used for placing a product to be tested, wherein the positioning fixture 4 moves along the horizontal direction under the drive of a linear push-pull mechanism 5 arranged on the base 1; the support frame 2 includes set up in supporting seat 21 on the base 1, vertical set up in backup pad 22 on the supporting seat 21, set up in fixed plate 23 on the backup pad 22, coupling plate 3 connect in the bottom of fixed plate 23, fixed plate 23 is provided with an opening 24 that runs through its upper and lower both ends face.

The linear driving assembly 51 may be a linear movement assembly such as a screw, a cylinder, an electric cylinder, or the like.

The coupling plate 3 is arranged above the positioning jig 4, and the positioning jig 4 can enter or leave the lower part of the coupling plate 3 under the drive of the linear push-pull mechanism 5, so that the positioning jig 4 can move to a position which is not interfered, a manipulator can conveniently and rapidly take and discharge materials, the manipulator automatically enters the lower part of the coupling plate 3 for testing after the material taking and discharging ends, the whole process is simple and rapid in action, and the manipulator can be flexibly adapted to realize automatic feeding and discharging, thereby improving the operation efficiency and reducing the production cost.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed" and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

While the utility model has been described in conjunction with the specific embodiments above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, all such alternatives, modifications, and variations are included within the scope of the appended claims.

Claims

1. The push-pull type RF test fixture is characterized by comprising a base, a support frame arranged on the base, a coupling plate arranged on the support frame, and a positioning fixture arranged below the coupling plate and used for placing a product to be tested, wherein the positioning fixture is driven by a linear push-pull mechanism arranged on the base to move along the horizontal direction; the support frame including set up in supporting seat on the base, vertically set up in backup pad on the supporting seat, set up in fixed plate in the backup pad, the coupling board connect in the bottom of fixed plate, the fixed plate is provided with an opening that runs through its upper and lower both ends face.

2. The push-pull RF test fixture of claim 1, wherein the linear push-pull mechanism comprises a linear drive assembly disposed on the base, a movable seat coupled to an output of the linear drive assembly, and the positioning fixture is disposed on the movable seat.

3. The push-pull RF test fixture according to claim 2, wherein the movable base comprises a fixing portion connected to the output end of the linear driving assembly, a connecting portion disposed on one side of the fixing portion, and the positioning fixture is disposed on the connecting portion.

4. The push-pull RF test fixture of claim 2, wherein the linear drive assembly is a rodless cylinder.

5. The push-pull RF test fixture of claim 1, wherein the bottom surface of the fixing plate is provided with a mounting groove for mounting the coupling plate.

6. The push-pull RF test fixture according to claim 1, wherein the positioning fixture comprises a fixture body, a product groove arranged on the fixture body for placing a product to be tested, and a supporting table arranged on one side of the upper end surface of the fixture body for supporting the product.

7. The push-pull RF test fixture of claim 6, wherein the support table is provided with a positioning support slot.

8. The push-pull RF test fixture according to claim 1, wherein the side of the support plate is provided with a connection groove for connecting the fixing plate.

9. The push-pull RF test fixture according to claim 1, wherein the support plate is provided with a plurality of kidney-shaped holes for mounting fasteners at positions corresponding to the fixing plate.

10. The push-pull RF test fixture of claim 1, wherein the base is provided with a plurality of connection legs.