CN220438488U - Flip formula floating positioning test equipment - Google Patents

Abstract

The utility model relates to the technical field of testing, in particular to flip type floating positioning testing equipment, which comprises a pressing module, a pressing plate module, a floating lifting platform and a carrier plate module which are sequentially arranged from top to bottom; one end of the pressing plate module is rotationally connected with the floating lifting table, a guide piece is arranged on the lower surface of the pressing plate module, and a positioning piece matched with the guide piece is arranged on the upper surface of the carrier plate module. According to the flip type floating positioning test equipment provided by the utility model, the floating lifting table is arranged, the positioning guide assembly is arranged between the pressing plate module and the carrier plate module, when the pressing plate module is pressed down after the pressing plate module rotates, the pressing plate module is turned over onto the floating lifting table, the pressing plate module is continuously pressed down subsequently, the carrier plate is pressed by vertically downwards moving the pressing plate module, and the precise guide is realized by utilizing the guide piece and the positioning piece, so that the precise pressing of the PCB is realized.

Description

Flip formula floating positioning test equipment

Technical Field

The utility model relates to the technical field of testing, in particular to flip type floating positioning testing equipment.

Background

Electronic products are indispensable products for the development of modern society, and bring great convenience to the life of people. The electronic products are essentially subjected to testing procedures in the production process, including performance testing of circuit boards. In the test process, the probe needs to be stably contacted and conducted with the test point on the circuit board, so that stable output of a test signal is ensured, and therefore, the test equipment is required to fix the circuit board and ensure that the probe is stably contacted with the test point.

For mass production lines, full-automatic test equipment is generally adopted to improve production efficiency; for small batches of products, manual testing equipment is often used for flexibility and cost reduction. The flip-top test device enables one of the circuit boards to be manually tested.

Flip formula circuit board test equipment among the prior art generally includes flip board, flip board lower surface sets up the pressure head, presses down the pressure head after flip board flip compresses tightly the PCB board, and then carries out subsequent test procedure. However, when the product is pressed, the product plate is easily pressed to one end to be tilted, and the shape of the product is changed; when used for electrical signal testing of a product board, the probe is easy to puncture a test point, so that the test is failed and even the product is damaged.

In order to avoid the deformation of the PCB, a floating pressing piece is additionally arranged below the pressing plate module. But it only involves the suppression of PCB board, and does not have accurate positioning alignment mechanism between PCB board and the flip mechanism, and then its suppression position is difficult for controlling when pressing the PCB board, influences PCB board performance or test result.

Disclosure of Invention

In order to solve the technical problems in the prior art, the utility model provides flip type floating positioning test equipment.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a flip type floating positioning test device comprises a pressing module, a pressing plate module, a floating lifting table, a carrier plate module and a bottom box which are sequentially arranged from top to bottom; one end of the pressing plate module is rotationally connected with the floating lifting table, a guide piece is arranged on the lower surface of the pressing plate module, and a positioning piece matched with the guide piece is arranged on the upper surface of the carrier plate module.

Further, the guide piece is a guide post, the positioning piece is a guide sleeve, and the guide post can be inserted into the guide sleeve.

Further, when the pressing plate module rotates to a horizontal state, the lower surface of the pressing plate module is attached to the upper surface of the floating lifting table, and the guide post is aligned with the guide sleeve but is not inserted into the guide sleeve.

Further, the clamp plate module includes the top board and sets up in the briquetting of top board below, the edge of top board lower surface is laminated with the upper surface of floating elevating platform, the lower surface of briquetting sets up the guide.

Further, the lower surface of briquetting still sets up a plurality of pressure bars, press the stick and be used for pressing the carrier plate module.

Further, the floating lifting platform is arranged on the bottom box through a plurality of guide rods, a plurality of springs are arranged on the guide rods in a penetrating mode, the upper ends of the springs are abutted to the floating lifting platform, and the lower ends of the springs are abutted to the bottom box.

Still further, the base box includes the box and sets up in the bottom plate of box top, set up a plurality of through-holes on the bottom plate, set up the bearing in the through-hole, wear to establish in the bearing the guide arm.

Further, a fixed block is arranged on one side of the floating lifting platform, a groove is formed in one side, close to the fixed block, of the upper pressing plate, and the fixed block is arranged in the groove; a rotating shaft penetrates through the inside of the fixed block, and two ends of the rotating shaft are rotatably connected with the upper pressing plate; and a torsion spring is arranged on the rotating shaft in a penetrating way.

Further, the lower pressing die assembly comprises an upper pull rod, two pressing rods and two supports, wherein the two pressing rods are arranged at intervals and in parallel, each pressing rod is correspondingly arranged with one support, and each pressing rod is rotationally connected to the corresponding support; an upper pull rod is arranged between the other ends of the two compression bars, which are far away from the support, and a pressing piece for pressing the pressing plate module is arranged on the inner sides of the compression bars.

Further, the pressing module further comprises a lower pull rod and a clamping hook rod, the middle part of the pressing rod is connected with the clamping hook rod, and one end of the clamping hook rod is provided with the lower pull rod; the clamping hook is connected to the lower portion of the clamping hook rod, the clamping hook seat is arranged on the bottom box, and the clamping hook is clamped with the clamping hook seat to lock the pressing module.

Further, one end of the hook rod, which is far away from the lower pull rod, is connected with a tension spring, and the other end of the tension spring is connected with a compression rod.

Further, a rotating shaft is arranged between the two supports, and the compression bar is connected to the rotating shaft.

Further, a test module is arranged between the carrier plate module and the bottom box, the test module comprises a probe, and the upper end of the probe is abutted against a test point of the PCB in the carrier plate module.

Further, the carrier plate module comprises a carrier plate, wherein a groove for placing a PCB is formed in the carrier plate; the test module comprises a test mounting plate, a plurality of lower positioning grooves are formed in the upper surface of the test mounting plate, a plurality of upper positioning grooves corresponding to the lower positioning grooves are formed in the lower surface of the carrier plate, buffer springs are arranged in the lower positioning grooves, and the upper ends of the buffer springs penetrate into the upper positioning grooves.

Furthermore, the test mounting plate is also provided with a plurality of positioning holes, and the positioning holes are correspondingly arranged with the guide sleeve.

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

according to the flip type floating positioning test equipment provided by the utility model, the floating lifting table is arranged, the positioning guide assembly is arranged between the pressing plate module and the carrier plate module, when the pressing plate module is pressed down after the pressing plate module rotates, the pressing plate module is turned over onto the floating lifting table, the pressing plate module is continuously pressed down subsequently, the carrier plate is pressed by vertically downwards moving the pressing plate module, and the precise guide is realized by utilizing the guide piece and the positioning piece, so that the precise pressing of the PCB is realized.

According to the utility model, the test module is arranged below the carrier module, and the carrier module moves downwards simultaneously while the PCB is precisely pressed, so that precise contact between the PCB and the probe is realized, further, conduction of test signals is realized, and the test efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural diagram of the pressing module.

Fig. 3 is a schematic structural diagram of the pressing module and the pressing plate module.

Fig. 4 is a schematic structural view of the platen module and the floating lift table.

FIG. 5 is a schematic view of the floating lift table and the bottom case.

Fig. 6 is a schematic structural diagram of the platen module and the carrier module.

Fig. 7 is a schematic structural diagram of the carrier module and the test module.

Reference numerals illustrate:

the device comprises a 1-pressing module, a 101-upper pull rod, a 102-pressing rod, a 103-support, a 104-lower pull rod, a 105-clamping hook rod, a 106-clamping hook, a 107-tension spring, a 108-rotating shaft, a 109-bearing and a 110-limiting block;

2-pressing plate modules, 201-an upper pressing plate, 202-pressing blocks and 203-guide posts;

3-floating lifting platform, 4-carrier plate module, 401-carrier plate, 402-guide sleeve and 403-guide column;

5-test modules, 501-test mounting plates, 502-lower positioning grooves, 503-buffer springs and 504-positioning holes;

6-bottom box, 601-box body, 602-bottom plate, 7-hook seat, 8-guide rod, 9-spring, 10-fixed block, 11-rotating shaft, 12-torsion spring, 13-PCB board and 14-limit column.

Detailed Description

The technical solutions of the present utility model will be clearly described below with reference to the accompanying drawings, and it is obvious that the described embodiments are not all embodiments of the present utility model, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of protection of the present utility model.

It should be noted that the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments should not be construed as limiting the scope of the present utility model unless it is specifically stated otherwise.

Furthermore, it should be understood that the dimensions of the various elements shown in the figures are not necessarily drawn to actual scale, e.g., the thickness, width, length, or distance of some elements may be exaggerated relative to other structures for ease of description.

The following description of the exemplary embodiment(s) is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail herein, but where applicable, should be considered part of the present specification.

As shown in fig. 1, the utility model provides flip-type floating positioning test equipment, which comprises a pressing module 1, a pressing plate module 2, a floating lifting table 3, a carrier plate module 4, a test module 5 and a bottom box 6 which are sequentially arranged from top to bottom; the lower die set 1 is in a flip-type structure, and one end of the lower die set 1 is rotatably connected to the bottom box 6 through a support, so that the lower die set 1 can rotate within a certain angle range. One end of the pressing plate module 2 is rotationally connected with the floating lifting table 3, the pressing plate module 2 can synchronously rotate the flip cover with the lower pressing die set 1, when the pressing plate module 2 is turned up, the lower carrier plate module 4 is exposed, and a PCB to be detected can be placed in the PCB. When the pressing plate module 2 rotates downwards to press downwards, the pressing plate module 2 does not directly contact the carrier plate module 4 and is guided, but turns onto the floating lifting platform 3 first to continue pressing downwards, and then the pressing plate module 2 vertically presses the carrier plate module 4.

Specifically, as shown in fig. 2, the pressing module 1 includes a lower pull rod 104, an upper pull rod 101, two pressing rods 102, two supports 103, and a hook rod 105, where the two pressing rods 102 are spaced and arranged in parallel, each pressing rod 102 is arranged corresponding to one support 103, a rotating shaft 108 is arranged between two supports 103, the pressing rods 102 are connected to the rotating shaft 108, and the rotating shaft 108 is rotationally connected with the supports 103, so that the rotating connection between the pressing rods 102 and the supports 103 is realized. An upper pull rod 101 is arranged between the other ends of the two pressing rods 102 far away from the support 103, and a pressing piece for pressing the pressing plate module is arranged on the inner side of the pressing rods 102.

The middle part of the compression bar 102 is connected with a hook rod 105, one end of the hook rod 105 is provided with a lower pull rod 104, and the lower pull rod 104 is positioned below the upper pull rod 101; the lower part of the clamping hook rod 105 is connected with a clamping hook 106, the bottom box 6 is provided with a clamping hook seat 7, and the clamping hook 106 is clamped with the clamping hook seat 7 to lock the pressing module 1. One end of the clamping hook rod 105 far away from the lower pull rod 104 is connected with a tension spring 107, and the other end of the tension spring 107 is connected with a compression rod 102.

A limiting block 110 is arranged on the outer side of the support 103, and when the lower pressing module 1 is in an upward overturning state, the limiting block 110 can limit the overturning angle of the lower pressing module 1; then, the lower die set 1 is turned downwards by manually operating the upper pull rod 101 or the lower pull rod 104; when the hook 106 is turned over to be close to the hook seat 7, the lower pull rod 104 is pulled relative to the upper pull rod 101, so that the lower pull rod 104 is close to the upper pull rod 101, the hook 106 rotates, the tension spring 107 is lengthened, the lower pull rod 104 is loosened after the tension spring 107 is continuously pressed down, and the hook 106 is clamped into the hook seat 7 under the elastic acting force of the tension spring 107 to realize locking.

While in the process of turning down the pressing die set 1, the pressing bar 102 presses the pressing die set 2 by a pressing member, preferably a bearing 109, as shown in fig. 3, the bearing 109 can roll on the pressing die set 2, and thus pressing resistance can be reduced.

One end of the pressing plate module 2 is rotatably connected with the floating lifting platform 3, as shown in fig. 4, the pressing plate module 2 comprises an upper pressing plate 201 and a pressing block 202 arranged below the upper pressing plate 201, a fixed block 10 is arranged above one side of the floating lifting platform 3, a groove is arranged on one side, close to the fixed block 10, of the upper pressing plate 201, and the fixed block 10 is arranged in the groove; a rotating shaft 11 penetrates through the inside of the fixed block 10, and two ends of the rotating shaft 11 are rotatably connected with the upper pressing plate 201; a torsion spring 12 is arranged on the rotating shaft 11 in a penetrating way; one end of the torsion spring 12 abuts against the upper platen 201, and the other end of the torsion spring 12 abuts against the floating lift table 3. Therefore, in the unlocked state of the pressing module 1, the torsion spring 12 makes the upper platen 201 and the floating lifting platform 3 form an included angle state, for example, the upper platen 201 is in an upright state, the upper platen 201 drives the pressing module 1 to be in an upright state together under the action of the torsion spring 12, and the limiting block 110 is arranged on one side of the support 103 of the pressing module 1 to limit the overturning angles of the upper platen 201 and the pressing module 1.

After the pressing module 1 presses the pressing plate module 2 downwards until the edge of the upper pressing plate 201 is attached to the floating lifting platform 3, the floating lifting platform 3 can vertically move downwards along with the pressing of the pressing module 1, the specific structure is shown in fig. 5, the floating lifting platform 3 is of a U-shaped structure, the floating lifting platform 3 is arranged on the bottom box 6 through four guide rods 8, a plurality of springs 9 penetrate through the guide rods 8, the upper ends of the springs 9 are abutted to the floating lifting platform 3, and the lower ends of the springs 9 are abutted to the bottom box 6. The bottom box 6 comprises a box body 601 and a bottom plate 602 arranged above the box body 601, a plurality of through holes are formed in the bottom plate 602, bearings are arranged in the through holes, and guide rods 8 penetrate through the bearings. The guide bar 8 provides a guiding function for the vertical movement of the floating riser 3 during the downward movement of the floating riser 3 and provides a buffering and restoring function by providing the springs 9.

Two limit posts 14 are arranged below the floating lifting platform 3, and the two limit posts 14 are symmetrically arranged on two sides of the floating lifting platform 3 and used for limiting the movement stroke of the floating lifting platform 3 and avoiding the overpressure of the pressing plate module 2.

As shown in fig. 6, the lower surface of the pressing block 202 is provided with a guide member, and the upper surface of the carrier plate module 4 is provided with a positioning member matched with the guide member. Preferably, the guide member is a guide post 203, the positioning member is a guide sleeve 402, and the guide post 203 can be inserted into the guide sleeve 402.

When the platen module 2 rotates to a horizontal state, the lower surface of the platen module 2 is attached to the upper surface of the floating lift table 3, and the guide posts 203 are aligned with the guide sleeves 402 but the guide posts 203 are not inserted into the guide sleeves 402. The lower surface of the pressing block 202 is further provided with a plurality of pressing rods, and the pressing rods are used for pressing the carrier plate module 4.

The carrier plate module 4 comprises a carrier plate 401, wherein a groove for placing the PCB 13 is arranged in the carrier plate 401; the test module 5 is arranged below the carrier plate module 4, the test module 5 comprises a probe, and the upper end of the probe is abutted to a test point of the PCB 13 in the carrier plate module 4. As shown in fig. 7, the test module 5 includes a test mounting board 501, a plurality of lower positioning slots 502 are provided on an upper surface of the test mounting board 501, a plurality of upper positioning slots corresponding to the lower positioning slots 502 are provided on a lower surface of the carrier 401, a buffer spring 503 is provided in the lower positioning slots 502, and an upper end of the buffer spring 503 extends into the upper positioning slots. By arranging the buffer spring 503, the pressing motion of the carrier plate module 4 is buffered, and the PCB 13 is prevented from being impacted greatly.

Meanwhile, a plurality of guide posts 403 are further arranged around the carrier plate 401, a plurality of through holes are formed in the test mounting plate 501 corresponding to the guide posts 403, bearings are arranged in the through holes, and the guide posts 403 reciprocate in the bearings, so that a guide effect is provided for the reciprocating motion of the carrier plate 401. The test mounting plate 501 is further provided with a plurality of positioning holes 504, and the positioning holes 504 are correspondingly arranged with the guide sleeve 402 so as to avoid the movement of the guide post 203 in the guide sleeve 402.

The box 601 below the test module 5, as shown in fig. 1, the front side of the box 601 is further provided with a plurality of buttons, such as a power switch, an emergency stop switch and the like, which are beneficial to the regulation and control of the test equipment, the two sides of the box 601 are provided with lock bodies, the two sides of the bottom plate 602 are provided with lock catches, the lock bodies are matched with the lock catches to fix the bottom plate on the box, and the separation of the bottom plate 602 and the box 601 is convenient, so that the installation and the maintenance are facilitated.

The working principle of the utility model is as follows: in the initial state of the equipment, the PCB to be tested is not arranged in the carrier plate module 4, and the lower pressing die plate 1 is locked; firstly, the lower pull rod 104 is pulled to separate the clamping hook 106 from the clamping hook seat 7, then the pressing plate module 2 is driven to be turned upwards under the action of the torsion spring 12, and meanwhile the upper pressing plate 201 pushes the lower pressing module 1 to be turned up until the pressing plate module 2 and the lower pressing module 1 are in an upright state. The PCB 13 to be tested is placed in the groove of the carrier plate 401, then the lower pressing die set 1 is turned over, the pressing plate module 2 is turned downwards under the pressing of the bearing 109, when the upper pressing plate 201 is turned over to be attached to the floating lifting table 3, a certain distance is kept between the pressing block 202 and the carrier plate 401, the pressing rod is not contacted with the carrier plate 401, and the guide post 203 is located above the guide sleeve 402 but is not inserted into the guide sleeve 402. Continuing to overturn the lower press die assembly 1 downwards, the press rod 102 applies pressure to the upper press plate 201 through the bearing 109, the upper press plate 201 applies pressure to the floating lifting platform 3, the floating lifting platform 3 moves vertically downwards under the guiding action of the guide rod 8, the spring 9 is compressed, the upper press plate 201 moves vertically downwards, the guide post 203 is inserted into the guide sleeve 402 to provide guiding action for the press block 202, then the press rod on the lower surface of the press block 202 contacts and presses the carrier plate 401, and the press block 202 presses the PCB 13; as the carrier plate 401 is pressed, the carrier plate 401 moves downwards, and then the buffer spring 503 is compressed until the carrier plate 401 is pressed to a set position, and the probe is in stable contact with a test point of the PCB, so that conduction of test signals is realized; meanwhile, the hook 106 is clamped into the hook seat 7 through the pull-down rod 104 to lock the push-down module 1 for testing.

After the test is finished, the clamping hooks 106 are loosened through the pull-down rods 104, the pressing plate module 2 is turned upwards under the action of the torsion springs 12, the floating lifting platform 3 moves upwards under the action of the springs 9, the carrier plate 401 moves upwards under the action of the buffer springs 503, and the tested PCB can be taken out.

According to the PCB pressing device, the floating lifting table is arranged, the positioning guide assembly is arranged between the pressing plate module and the carrier plate module, when the pressing plate module is pressed down after the pressing module rotates, the pressing plate module is turned over onto the floating lifting table, the pressing plate module is continuously pressed down, the carrier plate is pressed by vertically moving down, and precise guide is realized by utilizing the guide piece and the positioning piece, so that the PCB is precisely pressed.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the scope of the technical solution of the present utility model, which is intended to be covered by the claims of the present utility model.

Claims (10)

1. A flip type floating positioning test device comprises a pressing module, a pressing plate module, a floating lifting table and a carrier plate module which are sequentially arranged from top to bottom; the lower pressing die set is used for pressing the pressing plate module, pressing plate module one end with floating elevating platform rotates to be connected, its characterized in that, pressing plate module lower surface sets up the guide, the support plate module upper surface sets up the setting element with the guide matching.

2. The flip-top type floating positioning test device according to claim 1, wherein the guide member is a guide post, the positioning member is a guide sleeve, and the guide post can be inserted into the guide sleeve;

when the pressing plate module rotates to a horizontal state, the lower surface of the pressing plate module is attached to the upper surface of the floating lifting table, and the guide post is aligned with the guide sleeve but is not inserted into the guide sleeve.

3. The flip type floating positioning test device according to claim 1, wherein the pressing plate module comprises an upper pressing plate and a pressing block arranged below the upper pressing plate, the edge of the lower surface of the upper pressing plate is attached to the upper surface of the floating lifting table, and a guide piece is arranged on the lower surface of the pressing block.

4. The flip type floating positioning test device according to claim 3, further comprising a bottom box, wherein the floating lifting platform is arranged on the bottom box through a plurality of guide rods, a plurality of springs are arranged on the guide rods in a penetrating mode, the upper ends of the springs are abutted to the floating lifting platform, and the lower ends of the springs are abutted to the bottom box;

the bottom box comprises a box body and a bottom plate arranged above the box body, wherein a plurality of through holes are formed in the bottom plate, bearings are arranged in the through holes, and the guide rods are arranged in the bearings in a penetrating mode.

5. The flip type floating positioning test device according to claim 3, wherein a fixed block is arranged on one side of the floating lifting platform, a groove is arranged on one side, close to the fixed block, of the upper pressing plate, and the fixed block is arranged in the groove; a rotating shaft penetrates through the inside of the fixed block, and two ends of the rotating shaft are rotatably connected with the upper pressing plate; and a torsion spring is arranged on the rotating shaft in a penetrating way.

6. The flip type floating positioning test device according to claim 4, wherein the lower pressing die assembly comprises an upper pull rod, two pressing rods and two supports, the two pressing rods are arranged at intervals and in parallel, each pressing rod is arranged corresponding to one support, and each pressing rod is rotatably connected to the corresponding support; an upper pull rod is arranged between the other ends of the two compression bars, which are far away from the support, and a pressing piece for pressing the pressing plate module is arranged on the inner sides of the compression bars.

7. The flip type floating positioning test device according to claim 6, wherein the pressing module further comprises a lower pull rod and a clamping hook rod, the middle part of the pressing rod is connected with the clamping hook rod, and one end of the clamping hook rod is provided with the lower pull rod; the lower part of the clamping hook rod is connected with a clamping hook, the bottom box is provided with a clamping hook seat, and the clamping hook is clamped with the clamping hook seat to lock the pressing module.

8. The flip type floating positioning test device according to claim 7, wherein one end of the trip rod, which is far away from the lower pull rod, is connected with a tension spring, and the other end of the tension spring is connected with a compression rod.

9. The flip type floating positioning test device according to claim 1, wherein a test module is arranged between the carrier module and the bottom box, the test module comprises a probe, and the upper end of the probe is abutted against a test point of a PCB in the carrier module.

10. The flip type floating positioning test device according to claim 9, wherein the carrier plate module comprises a carrier plate, and a groove for placing a PCB board is formed in the carrier plate; the test module comprises a test mounting plate, a plurality of lower positioning grooves are formed in the upper surface of the test mounting plate, a plurality of upper positioning grooves corresponding to the lower positioning grooves are formed in the lower surface of the carrier plate, buffer springs are arranged in the lower positioning grooves, and the upper ends of the buffer springs penetrate into the upper positioning grooves.