CN220419003U

CN220419003U - Substrate test fixture tool

Info

Publication number: CN220419003U
Application number: CN202321327262.XU
Authority: CN
Inventors: 王高飞; 张永超; 张灿; 葛苹苹; 陈得双
Original assignee: Nanjing Jianzhen Electronic Technology Co ltd
Current assignee: Nanjing Jianzhen Electronic Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2024-01-30
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a substrate test fixture tool, which relates to the field of substrate test tools and aims to solve the technical problems that the sizes and types of fixture tools used by the existing substrate test equipment are not uniform and the customization cost is high.

Description

Substrate test fixture tool

Technical Field

The utility model belongs to the field of substrate test tools, and particularly relates to a substrate test fixture tool.

Background

The substrate is a base material of a printed circuit board, in order to ensure that the substrate can meet the use requirement of equipment during design and manufacture, the heat resistance, the conductivity, the bending resistance and the compression resistance of the board are required to be subjected to targeted tests, wherein the mechanical property test of the substrate is particularly critical, the bending resistance test is one of the mechanical properties of the substrate directly related to the service life of the substrate and the tolerance of the use environment, the bending resistance test of the substrate generally adopts a microcomputer-controlled board mechanical property tester, the substrate is required to be firmly locked on a test frame by using a clamp during the test, the clamp tool of the conventional test equipment is required to be customized according to different test equipment specifications, the designed style is very various, and different clamps cannot be applied to all test equipment, so that the manufacturing cost is high.

The present chinese patent publication No. CN214750450U discloses a substrate test fixture, wherein the substrate test fixture comprises: the clamp comprises a base, clamps and a support plate, wherein the base is provided with a vertical plate extending upwards; the base is used for supporting a substrate to be tested; a switch button is arranged on the base; the switch button is used for controlling the start and stop of the substrate; the clamp is arranged on the vertical plate; the clamp is provided with a handheld part and a moving part, and the moving part is connected with the vertical plate in a lifting manner and pivoted with the handheld part; the support plate is arranged on the moving part and moves relative to the substrate to be tested along with the movement of the moving part; the support plate is provided with probes arranged opposite to the substrate to be tested and a pressing block opposite to the switch button, and the pressing block and the probes are positioned on the same side of the support plate; in the moving process of the support plate towards the substrate to be tested, the probe abuts against the substrate to be tested when the pressing block presses the switch button.

Therefore, the fixture tool used for the substrate testing equipment cannot be suitable for equipment of all different models, the condition of high customization cost is developed, the novel fixture tool is developed, the adjustable assembly structure of the fixture is utilized, and the fixture tool can be installed on a rack main body of different sizes according to different testing equipment, so that the applicability is good.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a substrate test fixture tool, which aims to solve the technical problems of non-uniform size and model and high customization cost of the fixture tool used by the existing substrate test equipment.

(2) Technical proposal

In order to solve the technical problems, the utility model provides the substrate test fixture tool which comprises a base and a sliding rail arranged at the upper end of the base, wherein a rack is symmetrically arranged at the upper end of the base, a top plate is fixedly connected between the upper ends of the rack, two groups of sliding seats are movably connected to the outer sides of the sliding rail, two groups of clamping pieces are symmetrically arranged front and back above the sliding seats, a back beam frame is arranged at the rear side of the rack, a hanging sleeve is symmetrically arranged at the upper end of the back beam frame, a hanging rod is movably connected to the inner side of the hanging sleeve, two groups of U-shaped buckle frames are symmetrically arranged at the front end of the back beam frame, the rack is arranged at the inner side of a U-shaped groove of the buckle frame, an end plate is arranged at the opposite end of the buckle frame, a steering motor is arranged at the upper end of the end plate, and a pressing piece is arranged at the lower end of a power output element of the steering motor.

When the substrate test fixture tool is used, a user longitudinally butts up through the inserted link and the jack, the sliding rail and the sliding seat are installed on the base, according to the size of a substrate to be tested, the sliding seat slides left and right along the sliding rail, the distance between the brackets is adjusted, two ends of the substrate can fall on the brackets, then the hanging link is inserted into the hanging hole from the lower direction of the top plate, the upper end of the hanging link is screwed with the nut, the hanging sleeve and the rear back beam frame are installed on the rear side of the frame, then the clamping frame slides left and right along the sliding groove according to the width of the frame, the frame enters the U-shaped groove of the clamping frame, the limiting piece is rotated, the clamping frame is horizontally locked with the frame, then the substrate is placed on the brackets, the clamping piece is subjected to the pushing action of the elastic force of the spring, the clamping piece moves to be clamped on the front and rear sides of the substrate along the opposite directions, the substrate is moved to the middle part of the brackets, then the steering motor is started, the driving piece horizontally rotates to the substrate, the clamping frame and the front end are controlled to move along the vertical cylinder, the clamping frame and the clamping frame are also moved along the front end, the clamping frame and the clamping frame are controlled to be in the same direction, the clamping frame is pressed by the clamping frame, the substrate is controlled to be clamped, and the middle of the computer is loaded by the micro-pressing frame, and the pressing frame is simultaneously, and the action is controlled.

Further, a hydraulic module is installed at the upper end of the top plate, a loading machine head is installed at the lower end of a hydraulic execution element of the hydraulic module, the loading machine head is arranged above the sliding rail, a microcomputer is installed at the rear side of the upper end of the top plate, the loading machine head is a force transmission unit, the hydraulic module is used for controlling lifting, continuous acting force is applied to a suspended part of a lower substrate, and the microcomputer records the force application size, time and substrate deformation condition of the hydraulic module.

Further, the jack has been seted up to base upper end bilateral symmetry, the inserted bar is installed to slide rail lower extreme bilateral symmetry, the inserted bar set up in the jack is inboard, the gyro wheel is installed to the slide lower extreme, the wire hole has been seted up to the slide inboard, wire hole inboard threaded connection has the locking bolt, and the slide rail passes through the mode that the inserted bar vertically pegged graft the jack, and stable installation is on the base, and the slide rail cross-section is I shape structure, and the slide is rather than the adaptation, when sliding to the assigned position, twists the locking bolt and makes its extrusion at the slide rail surface, locks the slide.

Further, slide upper end fixedly connected with bracket, the guide slot has been seted up to the bracket upper end, clamping piece lower extreme swing joint in the guide slot is inboard, the clamping piece lower extreme with install the spring between the guide slot inner wall, the bracket is used for the tip of bearing base plate, and the spring has the elasticity elongation performance, and the clamping piece receives the elasticity incremental launching effect of spring, takes place to move in opposite directions, promotes the base plate to be in the middle part of bracket, plays location and temporary horizontal locking effect.

Further, the hanging hole has been seted up to the inboard bilateral symmetry of roof, hanging pole upper end set up in hanging hole is inboard, hanging pole upper end threaded connection has the nut, fixedly connected with balancing stand between the hanging pole, perpendicular hydro-cylinder is installed to the balancing stand upper end, back beam frame with the hydraulic actuator fixed connection of perpendicular hydro-cylinder, hanging pole and the back beam frame of its lower part hoist and mount through hanging hole on the roof are connected, in the in-service use, need use equipment such as hand drill to different test equipment tops to install, and perpendicular hydro-cylinder drive lower part back beam frame and buckle frame remove in the lump, make the preforming extrusion at the base plate surface.

Further, the spout has transversely been seted up to back beam frame inboard, buckle frame rear end fixedly connected with slider, slider swing joint in the spout is inboard, and buckle frame slides about the spout and can adjust the interval for with the test equipment stable installation that has different width frames, utilize the frame effect back beam frame and the guide structure of longitudinal movement of preforming.

Further, buckle frame front end fixed mounting has the end cover, end cover left end and another all swing joint in end cover right side has spacing piece, spacing piece set up in the frame outside, spacing piece is connected with the end cover through movable axostylus axostyle, rotates to the horizontality, is in the outside of frame, cooperates buckle frame, forms horizontal locking with the frame between, restriction buckle frame slides about.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the substrate testing fixture tool adopts the fixture tool with the adjustable mounting structure, can be assembled on a rack of substrate testing equipment with different specifications and sizes, is firm and stable in mounting, simple and quick in disassembly and flexible in use, does not need to customize a special fixture according to different equipment, and is low in production cost; the substrate is thoroughly positioned on the bracket through the transverse extrusion locking of the clamping piece and the longitudinal extrusion locking of the pressing piece, and the substrate cannot move during testing, so that the locking effect is good.

Drawings

FIG. 1 is a schematic diagram of an assembly structure of an embodiment of a substrate test fixture of the present utility model;

FIG. 2 is a schematic diagram of a mounting structure of a base and a slide rail of an embodiment of a fixture for testing a substrate;

FIG. 3 is a schematic diagram of a mounting structure of a slider and a clip according to an embodiment of a substrate testing fixture of the present utility model;

fig. 4 is a schematic diagram of a mounting structure of a back beam frame and a buckle frame of an embodiment of a substrate testing fixture tool of the present utility model.

The marks in the drawings are: 1. a base; 2. a frame; 3. a top plate; 4. a slide rail; 5. a slide; 6. a clamping piece; 7. a back beam frame; 8. hanging a sleeve; 9. a hanging rod; 10. a buckle frame; 11. an end plate; 12. a steering motor; 13. tabletting; 14. a hydraulic module; 15. loading the machine head; 16. a microcomputer; 17. a jack; 18. a rod; 19. a roller; 20. a wire hole; 21. a locking bolt; 22. a bracket; 23. a guide groove; 24. a spring; 25. a hanging hole; 26. a nut; 27. a balancing stand; 28. a vertical cylinder; 29. a chute; 30. a slide block; 31. an end cap; 32. and a limiting piece.

Detailed Description

The embodiment is a substrate test fixture tool, the assembly structure schematic diagram of which is shown in fig. 1, the installation structure schematic diagram of a base 1 and a sliding rail 4 is shown in fig. 2, the installation structure schematic diagram of a sliding seat 5 and a clamping piece 6 is shown in fig. 3, the installation structure schematic diagram of a back beam frame 7 and a buckle frame 10 is shown in fig. 4, the fixture tool comprises a base 1 and a sliding rail 4 arranged at the upper end of the base 1, a frame 2 is symmetrically arranged at the left and right sides of the upper end of the base 1, a top plate 3 is fixedly connected between the upper ends of the frame 2, two groups of sliding seats 5 are movably connected at the outer sides of the sliding rail 4, two groups of clamping pieces 6 are symmetrically arranged at the front and rear sides of the sliding seats 5, a back beam frame 7 is symmetrically arranged at the left and right sides of the upper end of the back beam frame 7, a hanging sleeve 8 is movably connected with a hanging rod 9, two groups of U-shaped buckle frames 10 are symmetrically arranged at the left and right sides of the front end of the back beam frame 7, the frame 2 is arranged at the inner sides of a U-shaped groove of the buckle frame 10, a motor end plate 11 is fixedly connected at the front end plate 12 of the steering plate 11, and a power end plate 12 is arranged at the lower end plate 12 is arranged at the steering end 12.

Aiming at the specific implementation mode, the test machine used in the scheme is equipment for testing the bending strength of a substrate, is a SANS microcomputer controlled electronic universal tester, such as a model WDW-100 electronic universal tester, the measuring range of the test machine is +/-50 kN, the static load error is +/-0.5%, the environmental temperature of a test room is set to be 25+/-3 ℃, the relative humidity is (50+/-10)%, the test machine is loaded in a displacement control mode, the loading rate is 1-2 mm/min, the test material in the scheme is based on the substrate, the test principle is that one end or two ends of the substrate are fixed, the load is applied to the other end or the middle part of a suspended plate, and the initial breaking load, the initial damage state, the final breaking load and the crack form during the final breaking are recorded simultaneously in the test process.

The hydraulic module 14 is installed at the upper end of the top plate 3, the loading machine head 15 is installed at the lower end of a hydraulic execution element of the hydraulic module 14, the loading machine head 15 is arranged above the sliding rail 4, the microcomputer 16 is installed at the rear side of the upper end of the top plate 3, the loading machine head 15 is a force transmission unit, the hydraulic module 14 controls lifting, continuous acting force is applied to a suspended part of a lower substrate, and the microcomputer 16 records the force application size, time and substrate deformation condition of the hydraulic module 14 while applying force.

Meanwhile, the jack 17 is symmetrically arranged at the left and right of the upper end of the base 1, the inserting rod 18 is symmetrically arranged at the left and right of the lower end of the sliding rail 4, the inserting rod 18 is arranged at the inner side of the jack 17, the roller 19 is arranged at the lower end of the sliding seat 5, the wire hole 20 is arranged at the inner side of the sliding seat 5, the locking bolt 21 is connected with the inner side of the wire hole 20 in a threaded manner, the bracket 22 is fixedly connected with the upper end of the sliding seat 5, the guide groove 23 is arranged at the upper end of the bracket 22, the lower end of the clamping piece 6 is movably connected with the inner side of the guide groove 23, the spring 24 is arranged between the lower end of the clamping piece 6 and the inner wall of the guide groove 23, the sliding rail 4 is longitudinally inserted into the jack 17 through the inserting rod 18 and is stably arranged on the base 1, the sliding rail 4 is of an I-shaped structure in section, when the sliding seat 5 is matched with the sliding seat, the sliding seat 5 is screwed to a designated position, the locking bolt 21 is extruded on the surface of the sliding rail 4 to lock the sliding seat 5, the end of the bracket 22 is used for supporting the substrate, the spring 24 has elastic extension performance, the clamping piece 6 is elastically stretched, the elastic action of the spring 24, the clamping piece 24 is pushed to the bracket 22, the middle part is temporarily, the middle part is pushed to the substrate is temporarily, and the middle part is temporarily pushed to be positioned, and the substrate is temporarily and the middle part is positioned horizontally and is positioned horizontally.

In addition, the inner side of the top plate 3 is symmetrically provided with hanging holes 25, the upper ends of the hanging rods 9 are arranged at the inner side of the hanging holes 25, nuts 26 are connected at the upper ends of the hanging rods 9 in a threaded manner, a balance table 27 is fixedly connected between the hanging rods 9, a vertical cylinder 28 is arranged at the upper end of the balance table 27, a back beam frame 7 is fixedly connected with a hydraulic actuating element of the vertical cylinder 28, a sliding groove 29 is transversely arranged at the inner side of the back beam frame 7, a sliding block 30 is fixedly connected at the rear end of the buckling frame 10, the sliding block 30 is movably connected at the inner side of the sliding groove 29, an end sleeve 31 is fixedly arranged at the front end of the buckling frame 10, a limit piece 32 is movably connected at the left end of the end sleeve 31 and the right side of the other end sleeve 31, the limit piece 32 is arranged at the outer side of the frame 2, the hanging rod 9 and the back beam frame 7 at the lower part thereof are connected in a hanging way through the hanging hole 25 on the top plate 3, in actual use, different test equipment tops are required to be perforated and installed by hand drills and other equipment, the vertical cylinder 28 drives the back beam frame 7 at the lower part and the buckle frame 10 to move together, the pressing piece 13 is extruded on the surface of a substrate, the buckle frame 10 slides left and right along the sliding groove 29 to adjust the distance, the device is used for stably installing the test equipment with the frames 2 with different widths, the back beam frame 7 and the longitudinally moving guide structure of the pressing piece 13 are used for stably installing the test equipment with the frames 2, the limiting piece 32 is connected with the end sleeve 31 through a movable shaft rod, and is positioned at the outer side of the frames 2 when rotating to a horizontal state, and is matched with the buckle frame 10 to form horizontal locking with the frames 2, so as to limit the left and right sliding of the buckle frame 10.

When the substrate test fixture tool of the technical scheme is used, a user longitudinally butts up through the inserting rod 18 and the inserting hole 17, installs the sliding rail 4 and the sliding seat 5 on the base 1, slides the sliding seat 5 left and right along the sliding rail 4 according to the size of a substrate to be tested, adjusts the distance between the brackets 22, enables two ends of the substrate to fall on the brackets 22, inserts the hanging rod 9 into the hanging hole 25 from the lower direction of the top plate 3, screws the nut 26 on the upper end of the hanging rod 9, installs the hanging sleeve 8 and the back beam frame 7 on the rear side of the frame 2, then slides the buckling frame 10 left and right along the sliding groove 29 according to the width of the frame 2, enables the frame 2 to enter the U-shaped groove of the buckling frame 10, rotates the limiting piece 32, enables the buckling frame 10 to be horizontally locked with the frame 2, then places the substrate on the brackets 22, enables the clamping piece 6 to be acted by the elastic force of the spring 24, moves and clamps the front and back sides of the substrate along the guide groove 23, pushes the substrate to move to the middle part of the brackets 22, then starts the motor 12, drives the base plate 7 to rotate along with the sliding groove 29, simultaneously presses the pressing piece 13, and simultaneously, presses the pressing piece 13 is controlled to be horizontally loaded on the front side of the frame 13, and the pressing piece is simultaneously, and the pressing piece is pressed.

Claims

1. The fixture comprises a base (1) and a sliding rail (4) arranged at the upper end of the base (1); the novel electric power steering device is characterized in that a rack (2) is symmetrically arranged at the left and right of the upper end of the base (1), a top plate (3) is fixedly connected between the upper ends of the rack (2), two groups of sliding seats (5) are movably connected to the outer sides of sliding rails (4), two groups of clamping pieces (6) are symmetrically arranged on the front and rear sides of the upper sides of the sliding seats (5), a back beam frame (7) is arranged at the rear side of the rack (2), a hanging sleeve (8) is symmetrically arranged at the left and right of the upper end of the back beam frame (7), hanging rods (9) are movably connected to the inner sides of the hanging sleeve (8), two groups of U-shaped clamping frames (10) are symmetrically arranged at the left and right of the front ends of the back beam frame (7), an end plate (11) is arranged at the opposite end of the clamping frames (10), a steering motor (12) is arranged at the upper end of the end plate (11), and a pressing piece (13) is arranged at the lower end of a power output element of the steering motor (12).

2. The substrate test fixture tool according to claim 1, wherein a hydraulic module (14) is installed at the upper end of the top plate (3), a loading machine head (15) is installed at the lower end of a hydraulic execution element of the hydraulic module (14), the loading machine head (15) is arranged above the sliding rail (4), and a microcomputer (16) is installed at the rear side of the upper end of the top plate (3).

3. The substrate test fixture tool according to claim 1, wherein jacks (17) are symmetrically formed in the upper end of the base (1), inserting rods (18) are symmetrically mounted in the lower end of the sliding rail (4), the inserting rods (18) are arranged on the inner side of the jacks (17), rollers (19) are mounted at the lower end of the sliding seat (5), screw holes (20) are formed in the inner side of the sliding seat (5), and locking bolts (21) are connected with the inner sides of the screw holes (20) in a threaded mode.

4. The substrate test fixture tool according to claim 1, wherein a bracket (22) is fixedly connected to the upper end of the sliding seat (5), a guide groove (23) is formed in the upper end of the bracket (22), the lower end of the clamping piece (6) is movably connected to the inner side of the guide groove (23), and a spring (24) is installed between the lower end of the clamping piece (6) and the inner wall of the guide groove (23).

5. The substrate test fixture tool according to claim 1, wherein hanging holes (25) are symmetrically formed in the inner side of the top plate (3), the upper ends of the hanging rods (9) are arranged in the inner sides of the hanging holes (25), nuts (26) are connected to the upper ends of the hanging rods (9) in a threaded mode, a balancing table (27) is fixedly connected between the hanging rods (9), a vertical oil cylinder (28) is arranged at the upper ends of the balancing table (27), and the back beam frame (7) is fixedly connected with a hydraulic actuating element of the vertical oil cylinder (28).

6. The substrate test fixture tool according to claim 1, wherein a sliding groove (29) is transversely formed in the inner side of the back beam frame (7), a sliding block (30) is fixedly connected to the rear end of the buckle frame (10), and the sliding block (30) is movably connected to the inner side of the sliding groove (29).

7. The substrate test fixture tool according to claim 1, wherein an end sleeve (31) is fixedly arranged at the front end of the buckle frame (10), a limiting piece (32) is movably connected to the left end of the end sleeve (31) and the right side of the other end sleeve (31), and the limiting piece (32) is arranged on the outer side of the frame (2).