CN218445823U

CN218445823U - Testing device based on touch driving circuit

Info

Publication number: CN218445823U
Application number: CN202222288968.1U
Authority: CN
Inventors: 沈乔; 柳时东
Original assignee: Nanjing Puhuixin Information Technology Co ltd
Current assignee: Nanjing Puhuixin Information Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-03
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a testing arrangement based on touch-sensitive drive circuit belongs to circuit board test field, the on-line screen storage device comprises a base, the surface bolt of base has the support, mounting platform is installed at the top of support, mounting platform's top is fixed with the pneumatic cylinder through the mounting frame cooperation, the pneumatic cylinder pass mounting platform's surface through the piston rod cooperation and with mounting panel fixed connection, the bottom symmetrical formula of mounting panel is equipped with the mounting bracket, two be fixed with the compression roller between the mounting bracket, the direction subassembly is installed with the mounting platform cooperation to the piston rod, the surface of roof is equipped with spacing subassembly, be equipped with test component between roof and the bottom plate. The utility model discloses can ensure the uniformity of exerting pressure to drive circuit board's surface at concrete test procedure, and then increase the referential of test result.

Description

Testing device based on touch driving circuit

Technical Field

The utility model relates to a circuit board test field specifically is a testing arrangement based on touch-sensitive drive circuit.

Background

The intermediate circuit, which is located between the main circuit and the control circuit and used for amplifying the signal of the control circuit (i.e. amplifying the signal of the control circuit to drive the power transistor), is called a drive circuit, and a substrate of the drive circuit needs to be tested in the manufacturing process of the touch drive circuit.

Application No.: CN201922203118.5 discloses a printed circuit board compression resistance testing device, which relates to the technical field of printed circuit boards, wherein a circuit board is placed on movable blocks in the application, an oil cylinder is controlled to move downwards and power is continuously increased, whether the surface of the circuit board is broken or not is observed through a glass plate, the pressure value of a pressure sensor is recorded at the moment of breakage and is the pressure value of front compression resistance, the pressure value of the pressure sensor is displayed through a display screen on a controller, similarly, when the side compression resistance detection is carried out on the circuit board, the circuit board is vertically clamped between the two movable blocks, the circuit board is fixed by tightly pressing the circuit board through rotating an adjusting pipe, the testing method is the same as the front test, through the arrangement of the two movable blocks and an adjusting mechanism, the fixation of the front test and the fixation of the side test of the circuit board can be realized by utilizing different forms of the two movable blocks, the number of clamps of a circuit board pressure testing machine is reduced, the production cost and the occupied area are reduced, the situation of slag crushing sputtering can be effectively prevented while the observation is convenient, and the use safety of the device is improved.

However, the following problems still remain:

1. the number of clamps for pressure testing is reduced, the production cost and the occupied area are reduced, but in order to prevent broken circuit board slag from sputtering, a closed testing chamber is arranged for use, and still extra cost and occupied area are needed;

2. the whole test work only depends on a single pressure sensor to carry out reading, the surface stress of the circuit board is inconvenient to ensure to be even when force is applied, the situation that the circuit board is locally pressed too much to damage can occur, and the detection result can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a testing arrangement based on touch drive circuit can ensure the homogeneity of exerting pressure to drive circuit board's surface in specific test procedure, and then increases the referential of test result.

The utility model provides a following technical scheme: a testing device based on a touch driving circuit comprises a base, wherein a support is bolted on the surface of the base, an installation platform is installed at the top of the support, a hydraulic cylinder is fixed at the top of the installation platform through an installation frame in a matched mode, the hydraulic cylinder penetrates through the surface of the installation platform through a piston rod in a matched mode and is fixedly connected with an installation plate, installation frames are symmetrically arranged at the bottom of the installation plate, a compression roller is fixed between the two installation frames, and a guide assembly is installed between the piston rod and the installation platform in a matched mode;

the surface of base is equipped with supporting mechanism, supporting mechanism includes bottom plate, roof and two branches, the bottom plate bolt joint is on the surface of base, branch, two are all installed to the both sides of bottom plate branch all slides and passes the roof, the surface of roof is equipped with spacing subassembly, be equipped with test assembly between roof and the bottom plate.

Preferably, the guide assembly comprises two guide rods and a connecting plate, the connecting plate is fixedly sleeved on the surface of the piston rod, the two guide rods are symmetrically fixed at the bottom of the mounting platform, and the other ends of the two guide rods penetrate through the surface of the connecting plate in a sliding manner.

Preferably, the top of two branch all is equipped with spacing limit, spacing limit is branch top surface integrated into one piece structure.

Preferably, the compression roller includes the roll body, strengthens the piece, fills up the sheath and the rubber block, the enhancement piece has been laid on the surface of roll body, it has been laid to strengthen the surface of piece and has been filled up the sheath, the surface of filling up the sheath evenly is equipped with the rubber block in proper order.

Preferably, the limiting assembly comprises a sliding groove, a limiting block, a sliding block and a connecting spring, two sliding grooves are formed in the surface of the top plate in a symmetrical mode, the sliding block is arranged on each sliding groove in a sliding mode, the connecting spring is arranged on one side of the sliding block and the surface of the inner wall of the sliding groove, and the limiting block is arranged at the top of the sliding block.

Preferably, the test assembly comprises four mounting seats, four the mounting seats are all fixed on the surface of the bottom plate, four the surface of the mounting seats is all bonded with a fixed table, and the surface of the fixed table is all provided with pressure sensors, four the pressure sensors are all contacted with the bottom of the top plate.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up the direction subassembly and be used for playing the direction effect to the part of exerting pressure, avoid the application of force direction of pneumatic cylinder and piston rod to appear squinting, set up at least four pressure sensor in the bottom test assembly, can judge whether the circuit board has received even pressure according to pressure sensor's reading numerical value, can guarantee to exert pressure homogeneity to the surface of drive circuit board with this in the concrete test procedure, and then increase the referential of test result;

2. the test action need not to damage drive circuit board, only predetermine the value of required bearing pressure, can terminate the application of force action after reaching the target value according to the pressure sensor reading, and the roll body structure that is used for exerting pressure has set up the rubber block of brush form, when the extrusion of contact with the circuit board, even the circuit board appears damaging, the rubber block of its contact surface also can block the bits and pieces that contact the damaged face and shelter from, need not to set up other protection component, has reduced extra cost and occupation of land space when increasing whole security.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the compression roller of the present invention;

fig. 3 is a schematic structural diagram of a part of the supporting mechanism of the present invention.

Description of reference numerals: 1. a base; 2. a support; 3. mounting a platform; 4. a hydraulic cylinder; 5. mounting the frame; 6. a piston rod; 7. a connecting plate; 8. a guide bar; 9. mounting a plate; 10. a mounting frame; 11. a compression roller; 111. a roller body; 112. a reinforcing sheet; 113. a pad protection layer; 114. a rubber block; 12. a support mechanism; 121. a base plate; 122. a top plate; 123. a strut; 124. a limiting edge; 13. a chute; 14. a limiting block; 15. a slider; 16. a connecting spring; 17. a mounting seat; 18. a fixed table; 19. a pressure sensor.

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 all belong to the protection scope of the present invention.

The utility model provides a testing arrangement based on touch-sensitive drive circuit as shown in fig. 1-3, the on-line screen storage device comprises a base 1, base 1's surface bolt has support 2, mounting platform 3 is installed at the top of support 2, mounting platform 3's top is fixed with pneumatic cylinder 4 through the cooperation of installation frame 5, pneumatic cylinder 4 pass mounting platform 3's surface and with mounting panel 9 fixed connection through the cooperation of piston rod 6, mounting panel 9's bottom symmetry formula is equipped with mounting bracket 10, be fixed with compression roller 11 between two mounting bracket 10, compression roller 11 includes roll body 111, reinforcing sheet 112, cover layer 113 and rubber block 114, reinforcing sheet 112 has been laid on the surface of roll body 111, cover layer 113 has been laid on the surface of reinforcing sheet 112, cover layer 113's surface evenly is equipped with rubber block 114 in proper order. Optimize compression roller 11 structure, constitute the lamellar structure in order to increase whole resistance to compression effect, ensure to exert good even power to the circuit board surface when carrying out test work to even the circuit board breakage appears surely, each block rubber 114 also can play the effect of certain separation disintegrating slag, ensures the security. The piston rod 6 is provided with a guide component in cooperation with the mounting platform 3.

The guide assembly comprises two guide rods 8 and a connecting plate 7, the connecting plate 7 is fixedly sleeved on the surface of the piston rod 6, the two guide rods 8 are symmetrically fixed at the bottom of the mounting platform 3, and the other ends of the two guide rods 8 penetrate through the surface of the connecting plate 7 in a sliding mode. Set up the direction subassembly and play the auxiliary test effect, when pneumatic cylinder 4 control piston rod 6 carries out the propelling movement, can utilize piston rod 6 to drive connecting plate 7 and remove, connecting plate 7 can slide along two guide arms 8 surfaces during, play the direction effect, avoid the skew of position appearing in the propulsive in-process of piston rod 6 to lead to the fact adverse effect to the test effect.

The surface of base 1 is equipped with supporting mechanism 12, and supporting mechanism 12 includes bottom plate 121, roof 122 and two branch 123, and bottom plate 121 bolt connects on the surface of base 1, and branch 123 is all installed to the both sides of bottom plate 121, and two branch 123 all slide and pass roof 122, and the surface of roof 122 is equipped with spacing subassembly, is equipped with test assembly between roof 122 and the bottom plate 121. The top of two branch 123 all is equipped with spacing limit 124, and spacing limit 124 is branch 123 top surface integrated into one piece structure. The structure of the limiting edge 124 is used for preventing the top plate 122 from being directly separated from the two supporting rods 123, and the stability of the whole structure is guaranteed.

Spacing subassembly includes spout 13, stopper 14, slider 15 and connecting spring 16, and two spouts 13 have been seted up to the surperficial symmetry formula of roof 122, and equal slidable mounting has slider 15 on spout 13, and one side of slider 15 and the inner wall surface of spout 13 are equipped with connecting spring 16, and stopper 14 is installed at slider 15's top. The touch driving circuit to be tested is directly placed on the surface of the top plate 122, the two limit blocks 14 need to be pushed to one side of the sliding groove 13 in the process, the connecting spring 16 deforms, the limit blocks 14 are loosened after the circuit board is placed, the connecting spring 16 pushes the sliding block 15 through the counterforce, the limit blocks 14 are in surface contact with the circuit board, and the limit component can directly fix the circuit board and is easy to operate. The test assembly comprises four mounting seats 17, the four mounting seats 17 are all fixed on the surface of the bottom plate 121, the fixed table 18 is bonded on the surface of each of the four mounting seats 17, the surface of each fixed table 18 is provided with a pressure sensor 19, and the four pressure sensors 19 are all in contact with the bottom of the top plate 122. Wherein the fixed station 18 is made of rubber materials, the pressure sensor 19 is arranged by the structure to increase the contact effect with the top plate 122, certain movement can be downwards generated when the surface of the top plate 122 and a circuit board are pressed, the bottom of the top plate 122 extrudes the pressure sensor 19, and the bottom fixed station 18 plays a role in auxiliary fixing and protection.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A testing device based on a touch driving circuit comprises a base (1), and is characterized in that: the surface of the base (1) is bolted with a support (2), the top of the support (2) is provided with a mounting platform (3), the top of the mounting platform (3) is fixedly provided with a hydraulic cylinder (4) in a matched manner through a mounting frame (5), the hydraulic cylinder (4) penetrates through the surface of the mounting platform (3) in a matched manner through a piston rod (6) and is fixedly connected with a mounting plate (9), the bottom of the mounting plate (9) is symmetrically provided with mounting frames (10), a compression roller (11) is fixed between the two mounting frames (10), and the piston rod (6) and the mounting platform (3) are provided with guide components in a matched manner;

the surface of base (1) is equipped with and struts mechanism (12), strut mechanism (12) including bottom plate (121), roof (122) and two branch (123), bottom plate (121) bolt is on the surface of base (1), branch (123) are all installed to the both sides of bottom plate (121), two branch (123) all slide and pass roof (122), the surface of roof (122) is equipped with spacing subassembly, be equipped with the test subassembly between roof (122) and bottom plate (121).

2. The touch driving circuit based test device according to claim 1, wherein: the guide assembly comprises two guide rods (8) and a connecting plate (7), the connecting plate (7) is fixedly sleeved on the surface of the piston rod (6), the two guide rods (8) are symmetrically fixed at the bottom of the mounting platform (3), and the other ends of the two guide rods (8) penetrate through the surface of the connecting plate (7) in a sliding mode.

3. The touch driving circuit based test device according to claim 1, wherein: the top of two branch (123) all is equipped with spacing limit (124), spacing limit (124) are branch (123) top surface integrated into one piece structure.

4. The touch driving circuit based test device according to claim 1, wherein: compression roller (11) are including roll body (111), strengthen piece (112), protection layer (113) and block rubber (114), strengthen piece (112) have been laid on the surface of roll body (111), protection layer (113) have been laid on the surface of strengthening piece (112), the surface of protection layer (113) evenly is equipped with block rubber (114) in proper order.

5. The touch driving circuit based test device according to claim 1, wherein: spacing subassembly includes spout (13), stopper (14), slider (15) and connecting spring (16), two spout (13) have been seted up to the surperficial symmetry formula of roof (122), equal slidable mounting has slider (15) on spout (13), one side of slider (15) and the inner wall surface of spout (13) are equipped with connecting spring (16), stopper (14) are installed at the top of slider (15).

6. The touch driving circuit based test device according to claim 1, wherein: the test assembly comprises four mounting seats (17), four the mounting seats (17) are all fixed on the surface of the bottom plate (121), four the surface of the mounting seats (17) is all bonded with a fixed table (18), the surface of the fixed table (18) is provided with pressure sensors (19), and the pressure sensors (19) are all in contact with the bottom of the top plate (122).