CN212965278U - General test equipment frame and test equipment - Google Patents

Abstract

The utility model provides a general test equipment frame and test equipment, general test equipment frame includes fixed part and lower fixed part, it includes the mounting panel to go up the fixed part, the fixed part includes the mount table down, the mounting panel with the mutual parallel arrangement of mount table, the mounting panel with be connected with a drive assembly between the mount table, the last needle test module detachably installs the opening part of mounting panel, lower needle test module detachably installs the opening part of mount table bottom surface. The first driving assembly drives the upper needle testing module to press the testing support plate downwards, and the testing support plate continues to press the lower needle testing module downwards under the pushing of the upper needle testing module to conduct testing. The universal test equipment frame can meet different test requirements by replacing the upper pin test module and the lower pin test module or the test carrier plate according to the test requirements of different objects to be tested, and other jig frames do not need to be adopted again.

Description

General test equipment frame and test equipment

Technical Field

The utility model belongs to the technical field of test fixture, a general test equipment frame and test equipment is related to.

Background

In the manufacture of electronic devices, a large number of PCBs are used, and the PCBs of the products need to be tested in order to ensure the reliability of the products.

With the development and change of science and technology, electronic equipment products are updated more and more quickly, and the types and the sizes of the PCB boards of the products are greatly different. The test fixture in the market at present aims at the test-free requirements of the same test product, and different fixtures need to be designed to meet the test requirements, so that the research and development cost and the production cost are increased; the different structures/frames of the jigs cause the deviation of test results of different functions of the same product, and much effort and time are needed to eliminate the test difference among the jigs, thereby increasing the time for research and development and test; different jigs are different in use and standard operation, the operation mode of an operator needs to be retrained, and the labor cost is high; the arrangement of the test fixtures of multiple types occupies more space, so that the space utilization rate is reduced; for the updated products, the old jig can not be used continuously and can only be scrapped, and the equipment depreciation cost is high.

Therefore, the prior art has the problems that the same test fixture can not meet different test requirements and different test devices are required to be separated for testing.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a general test equipment frame and test equipment, through the test module of changing the interior installation of frame just can satisfy different test demands, need not change whole test fixture, easy operation, shared space is few, has practiced thrift a large amount of research and development and manufacturing cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a universal test equipment frame comprises an upper fixing part and a lower fixing part, wherein the upper fixing part can move up and down relative to the lower fixing part, the upper fixing part comprises a mounting plate, the lower fixing part comprises an assembly table, the mounting plate and the assembly table are arranged in parallel, the mounting plate and the assembly table are provided with opening structures corresponding to each other up and down, a first driving assembly is connected between the mounting plate and the assembly table, the mounting plate reciprocates up and down relative to the assembly table under the action of the first driving assembly, an upper needle test module is detachably mounted at an opening of the mounting plate, and a lower needle test module is detachably mounted at an opening of the bottom surface of the assembly table;

the top of the mounting plate is connected with a prepressing block, and the mounting plate is matched with the prepressing assembly to be used for mounting the upper needle testing module; the top surface of the assembly table is connected with a support plate connecting piece, the support plate connecting piece is horizontally connected with the assembly table in a sliding manner, the support plate connecting piece is used for detachably mounting a test support plate, and the test support plate is used for placing an object to be tested;

the first driving assembly drives an upper needle testing module mounted on the mounting plate to be downwards pressed and mounted on a testing support plate of the support plate connecting piece, and the testing support plate is pushed by the upper needle testing module to be continuously pressed and mounted on the lower needle testing module.

Preferably, the first driving assemblies are symmetrically arranged on two sides of an opening of the assembling table, each first driving assembly comprises a first air cylinder and a guide post, the first air cylinders are located between the two guide posts on the same side, and the mounting plate is driven by the first air cylinders to reciprocate up and down along the guide posts relative to the assembling table.

Further, the mounting panel is equipped with and is used for the installation the mount pad of guide post, guide post one end is passed the mount pad with the buffer spacer at mount pad top is connected, buffer spacer keeps away from guide post one side is equipped with the spacing strip of mould.

Preferably, the mounting plate is provided with a downward pressing limit column extending towards the assembly table.

Preferably, the support plate connecting piece is connected with a second driving assembly, the second driving assembly is horizontally arranged on the assembly table, and the second driving assembly drives the support plate connecting piece to horizontally move relative to the assembly table.

Further, carrier plate connecting piece is kept away from second drive assembly one side is connected with prevents pressing from both sides the mechanism, prevent pressing from both sides the mechanism include prevent the clamp plate and with the unsteady slider that the clamp plate is connected, unsteady slider is located prevent the clamp plate with between the carrier plate connecting piece, it prevents pressing from both sides spring and spring zip to be equipped with in the unsteady slider, prevent pressing from both sides the spring cover and establish in the spring zip outside, the spring zip is used for connecting prevent the clamp plate with the carrier plate connecting piece.

Preferably, guide pins and elastic pieces are further arranged on two sides of the opening of the assembling table.

Preferably, including last casing and lower casing, go up the casing with the casing cooperation forms square cavity down, square cavity is used for holding go up the fixed part with fixed part down, it is equipped with the rectangle opening to go up casing one side, the rectangle opening is used for installing the test support plate but the horizontal business turn over of support plate connecting piece square cavity.

Further, a cooling fan is arranged on the inner side of the lower shell.

A test device comprises the general test device frame, and an upper pin test module, a lower pin test module and a test carrier plate which are arranged on the general test device frame.

The utility model has the advantages that: the utility model provides a general test equipment frame, through the mounting panel with the stromatolite design that the assembly table is parallel to each other, the last needle test module is connected with lower needle test module detachable the mounting panel with on the assembly table, can redesign according to the test demand of different determinand go up needle test module and install with lower needle test module again the mounting panel with on the assembly table, need not adopt other tool frames again, just can satisfy different test demands. The structure is simple and convenient and easy to transport, and the production and transportation cost is reduced. And for different test products, the test carrier plate arranged on the carrier plate connecting piece can be replaced for testing. The air cylinder is adopted for driving, and the guide post is used for positioning, so that the uniform stress during stress test is ensured, and the test stability of the jig is improved. The universal equipment frame is adopted, the stress analysis and tolerance analysis are convenient and fast, the difference of the test results of different test modules adopting the same frame is small, the research and development difficulty and the research and development cost are reduced, and the test efficiency is improved. The spacing post of pushing down can be right the distance of mounting panel and assembly bench forms certain restriction, avoids the test module excessively to extrude the product that awaits measuring, has guaranteed the test quality of needle test from top to bottom. Be equipped with on the support plate connecting piece and prevent pressing from both sides the mechanism, when the condition of face tong when placing product or installation test support plate, the spring atress of preventing pressing from both sides in the slider that floats is tensile, has reduced the pressure of preventing pressing from both sides the board to the hand, realizes preventing the effect of pressing from both sides. The guide pin of the opening part of the assembling table ensures that the test can be accurate and effective, and the elastic piece can avoid the loss caused by hard contact of a product and a test module. The arrangement of the cooling fan ensures that components in the jig can be continuously cooled so that the equipment can be continuously and efficiently tested. A test device comprises a universal test device frame, an upper needle test module, a lower needle test module and a test carrier plate, and is simple in use and maintenance method and easy to operate.

Drawings

FIG. 1 is an exploded view of upper and lower fixtures of a universal test equipment frame;

FIG. 2 is an exploded view of a generic test equipment frame;

FIG. 3 is an enlarged fragmentary view at A of FIG. 2;

FIG. 4 is a schematic structural diagram of a generic test equipment frame;

FIG. 5 is a schematic structural view of the upper and lower fixing portions in a non-operating state;

FIG. 6 is a side view of the upper and lower stationary portions in a non-operating condition;

fig. 7 is a side view of the upper and lower fixing portions in an operating state.

The labels in the figure are: 1-mounting a plate; 2-an assembly table; 3-a first drive assembly; 4-carrier plate connecting piece; 5-a second drive assembly; 6-anti-pinch mechanism; 7-an upper shell; 8-a lower shell; 9-a needle-mounting test module; 10-testing a carrier plate; 11-a needle-setting test module; 12-a gas spring; 101-pre-briquetting; 102-a mount; 103-a buffer shim; 104-upper die limit strip; 105-pressing down the limit post; 201-guide pins; 202-an elastic member; 301-a first cylinder; 302-a guide post; 601-anti-pinch plate; 602-a floating slider; 701-starting a key; 702-a reset button; 703-emergency stop key; 704-test indicator light; 801-radiator fan.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 7, the present application discloses a test apparatus, which includes a universal test apparatus frame, and an upper pin test module 9, a lower pin test module 11 and a test carrier board 10 mounted on the universal test apparatus frame.

As shown in fig. 1 to 2, the general test equipment frame that this application discloses, including last fixed part and lower fixed part, it can be relative to go up the fixed part down the fixed part reciprocates, it includes mounting panel 1 to go up the fixed part, the fixed part includes mount table 2 down, mounting panel 1 with mount table 2 parallel arrangement each other, mount table 2 with mounting panel 1 all is equipped with the opening, the open structure of mount table 2 with the open structure of mounting panel 1 corresponds the setting from top to bottom. Mounting panel 1 is the U-shaped board, 1 top of mounting panel is connected with briquetting 101 in advance, and the U-shaped opening part at mounting panel 1 is installed to last needle test module 9 detachably, briquetting 101 is located the top of last needle test module 9 in advance, goes up needle test module 9 and moves towards on the U-shaped board 2 directions of assembly bench expose and test the needle.

The top of the assembly table 2 is connected with a carrier plate connecting piece 4, the carrier plate connecting piece 4 is connected with the assembly table 2 through a second driving component 5 in a horizontal sliding mode, a test carrier plate 10 is detachably installed on the carrier plate connecting piece 4, and the test carrier plate 10 is used for placing an object to be tested. The needle test module 11 down is installed to 2 bottom detachably of assembly bench, and the needle test module 11 is installed down the opening part court of assembly bench 2 the test needle under the 1 orientation of mounting panel exposes. The mounting plate 1 presses the assembly table 2, so that an upper test needle of the upper needle test module 9 and a lower test needle of the lower needle test module 11 respectively probe into an object to be tested, and the object to be tested can be tested.

The mounting panel 1 with be connected with first drive assembly 3 between the assembly table 2, first drive assembly 3 drives mounting panel 1 follows mutually assembly table 2 up-and-down motion. The mounting panel 1 the mount table 2 is used for installing last needle test module 9, test support plate 10 and lower needle test module 11 respectively, during the use, can redesign according to the test demand of different determinand and go up needle test module 9 and install down needle test module 11 respectively mounting panel 1 with on the mount table 2, need not adopt other tool frames again, just can accomplish a plurality of functional test of same test object. When different test objects need to be tested, the test carrier board 10 mounted on the carrier board connecting piece 4 is replaced to test different types of objects to be tested. When different functions of different types of objects to be tested are tested, the upper pin testing module 9, the lower pin testing module 11 and the testing carrier plate 10 can be disassembled and replaced again, so that the requirements of multiple functional tests of multiple products are met. The general test equipment frame of this application suitability is strong, only needs just can realize the multiple function test of many products with trading corresponding test module, has practiced thrift the cost. Go up mounting panel 1 and last needle test die pass through the screw fixation and use the pin location, can realize dismouting fast accurately, and installation procedure is simple, adopts same test frame to the test of different functions, only needs simple operation just can accomplish, has improved the commonality and the convenience of tool.

Referring to fig. 6 to 7, when the test is started, the first driving assembly 3 drives the upper test module to press the product to be tested downward, the product to be tested continues to press the lower pin test module 11 downward under the pushing of the upper test module, and the upper and lower test probes are respectively connected to the test points on the product to be tested for testing.

As shown in fig. 2 to 4, the first driving assemblies 3 are symmetrically disposed at two sides of the opening of the assembly table 2, each first driving assembly 3 includes a first cylinder 301 and a guide post 302, and the first cylinder 301 is located between two guide posts 302 on the same side. The number of the first cylinders 301 is 2, and the number of the guide posts 302 is 4. The testing device is driven by an air cylinder, 4 guide columns 302 are used for positioning, when the upper needle testing module 9 on the mounting plate 1 is pressed on the object to be tested and then continues to be pressed on the lower needle testing module 11 on the assembly table 2 for upper and lower needle testing, under the positioning of the guide columns 302, the object to be tested can be uniformly stressed during detection, and the testing stability of the testing frame is improved.

As shown in fig. 1 to 3, the mounting plate 1 is provided with a mounting seat 102, the mounting seat 102 is used for mounting a guide post 302, one end of the guide post 302 passes through the mounting seat 102 and is connected with a buffer spacer 103 at the top of the mounting seat 102, and an upper mold limiting strip 104 is arranged on one side of the buffer spacer 103 away from the guide post 302. Guide post 302 one end is equipped with buffer pad 103, can avoid installing hard contact when the last needle test module 9 of mounting panel 1 and determinand pressfitting plays the cushioning effect. The bottom of the assembly table 2 is provided with a bearing seat and a linear bearing, the guide column 302 penetrates through the assembly table 2 to be connected with the linear bearing, and the linear bearing is installed at the bottom of the assembly table 2 through the bearing seat. The linear bearing is sleeved on the outer side of the guide post 302, and the guide post 302 can move up and down relative to the linear bearing.

The mounting plate 1 is provided with a downward pressing limit column 105 extending towards the assembly table 2. Work as mounting panel 1 is in drive of first cylinder 301 down to 2 directions of assembly table remove, when moving certain distance down push down under spacing post 105 the effect of mounting panel 1 no longer moves down, guaranteed that the last test probe of last test module on mounting panel 1 can visit into the determinand, can not cause the influence to the testing process of lower needle test module 11 simultaneously. The spacing post 105 of pushing down can be right the distance of mounting panel 1 and assembly bench 2 forms certain restriction, avoids the test module excessively to extrude the product that awaits measuring, has guaranteed the test quality of last lower needle test.

As shown in fig. 1 to fig. 3, the carrier board connector 4 is horizontally slidably connected to the assembly table 2 through a second driving assembly 5, and the carrier board connector 4 can horizontally enter and exit the universal testing apparatus frame under the driving of the second driving assembly 5. Second drive assembly 5 includes the second cylinder, the second cylinder level sets up on assembly table 2, the second cylinder outside still overlaps and is equipped with the back protection seat, the back protection seat is installed on assembly table 2.

As shown in fig. 5 and fig. 6, carrier plate connecting piece 4 keeps away from 5 one side of second drive assembly is connected with prevents pressing from both sides mechanism 6, prevent pressing from both sides mechanism 6 including prevent clamp 601 and with prevent the slider 602 that floats that clamp 601 is connected, the slider 602 that floats is located prevent clamp 601 with between carrier plate connecting piece 4, it prevents pressing from both sides spring (not marking in the picture) and spring zip (not marking in the picture) to be equipped with in the slider 602 that floats, prevent pressing from both sides the spring housing and establish in the spring zip outside, the spring zip is used for connecting prevent clamp 601 with carrier plate connecting piece 4. Before testing, the test carrier plate 10 is installed on the carrier plate connecting piece 4, then a product to be tested is placed on the test carrier plate 10, and the product to be tested enters the test equipment under the drive of the second driving assembly 5 to start testing. Be equipped with on carrier plate connecting piece 4 and prevent pressing from both sides mechanism 6, when the condition of the tong is faced when placing product or installation test carrier plate 10, the spring atress of preventing pressing from both sides in the slider 602 that floats is tensile, has reduced the pressure of preventing pressing from both sides board 601 to the hand to reach the effect of preventing pressing from both sides.

As shown in fig. 2 and 3, in the present embodiment, guide pins 201 and elastic members 202 are further disposed on two sides of the opening of the mounting table 2. The elastic member 202 is a buffer spring. When the upper needle testing module 9 pushes down a product to be tested and the product to be tested is pressed with the lower needle testing module 11, the probes of the upper needle testing module 11 and the lower needle testing module 11 can be accurately connected to the testing points of the product to be tested under the action of the guide pin 201, and the testing can be accurate and effective. The buffer spring plays a certain buffering role when the test product is pressed towards the downward needle test module 11, and the loss caused by hard contact of the product and the test module is avoided.

As shown in fig. 2 and 4, in this embodiment, the pass test equipment frame further includes an upper casing 7 and a lower casing 8, the upper casing 7 and the lower casing 8 cooperate to form a square cavity, and the upper fixing portion and the lower fixing portion are accommodated in the square cavity. Go up casing 7 with casing 8 is right go up the fixed part with fixed part plays the guard action down, avoids external environment to cause the interference to product test. A rectangular opening is formed in one side of the upper shell 7, and the rectangular opening is used for enabling the test carrier plate 10 to horizontally enter and exit the square cavity to form a drawer type structure.

As shown in fig. 2 and 4, in the present embodiment, heat dissipation fans 801 are disposed inside the lower casing 8, and the heat dissipation fans 801 are symmetrically disposed on the inner side walls of the lower casing 8. Radiator fan 801 can dispel the heat to the components and parts in the equipment according to the gas flow, ensures that the components and parts in the tool can continuously cool down so that equipment can last the efficient test.

As shown in fig. 6, in this embodiment, a gas spring 12 is further disposed at the bottom of the assembly table 2, one end of the gas spring 12 is connected to the bottom of the assembly table 2, and the other end of the gas spring 12 is connected to the bottom of the lower housing 8, and the gas spring 12 provides a certain supporting force and a certain buffering action for the assembly table 2.

As shown in fig. 4, in this embodiment, a control board is further disposed on the assembly table 2, a start key 701 and a reset key 702 are further disposed on an outer side surface of the upper housing 7, and the start key 701 and the reset key 702 are respectively electrically connected to the control board for starting/resetting the test equipment.

The upper shell 7 is further provided with an emergency stop button 703 and a test indicator lamp 704, the emergency stop button 703 and the test indicator lamp 704 are respectively electrically connected with the control board, the emergency stop button 703 controls the test equipment to suspend testing, and the test indicator lamp 704 can respectively indicate according to a test state: the test system comprises a non-working state, a working state of a test carrier plate 10 where a product to be tested is located, a position abnormal state of the product to be tested, a pressing-down state of an upper needle test module 9, a pressing-down abnormal state of the upper needle test module 9 and a test state. The user can carry out certain adjustment according to the suggestion state of pilot lamp, has guaranteed that the testing process of product is smooth, high-efficient going on.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A universal test equipment frame is characterized by comprising an upper fixing part and a lower fixing part, the upper fixing part can move up and down relative to the lower fixing part and comprises a mounting plate (1), the lower fixing part comprises an assembly table (2), the mounting plate (1) and the assembly table (2) are arranged in parallel, the mounting plate (1) and the assembly table (2) are provided with opening structures which correspond up and down, a first driving component (3) is connected between the mounting plate (1) and the assembly table (2), the mounting plate (1) reciprocates up and down relative to the assembly table (2) under the action of the first driving component (3), the upper needle testing module (9) is detachably mounted at an opening of the mounting plate (1), and the lower needle testing module (11) is detachably mounted at an opening of the bottom surface of the assembly table (2);

the top of the mounting plate (1) is connected with a pre-pressing block (101), and the mounting plate (1) is matched with the pre-pressing block (101) to be used for mounting the upper needle testing module; the top surface of the assembly table (2) is connected with a carrier plate connecting piece (4), the carrier plate connecting piece (4) is horizontally connected with the assembly table (2) in a sliding manner, the carrier plate connecting piece (4) is used for detachably mounting a test carrier plate (10), and the test carrier plate (10) is used for placing an object to be tested;

the first driving assembly (3) drives the upper pin testing module (9) installed on the installation plate (1) to be downwards pressed and installed on a testing carrier plate (10) of the carrier plate connecting piece (4), and the testing carrier plate (10) is pushed by the upper pin testing module (9) to be continuously pressed and installed downwards on the lower pin testing module (11).

2. The universal test equipment frame as claimed in claim 1, wherein the first driving assemblies (3) are symmetrically arranged at two sides of the opening of the assembly table (2), the first driving assemblies (3) comprise a first air cylinder (301) and guide posts (302), the first air cylinder (301) is located between the two guide posts (302) at the same side, and the mounting plate (1) is driven by the first air cylinder (301) to reciprocate up and down along the guide posts (302) relative to the assembly table (2).

3. The universal test equipment frame as claimed in claim 2, wherein the mounting plate (1) is provided with a mounting seat (102) for mounting the guide post (302), one end of the guide post (302) penetrates through the mounting seat (102) to be connected with a buffer gasket (103) on the top of the mounting seat (102), and an upper die limit strip (104) is arranged on one side, away from the guide post (302), of the buffer gasket (103).

4. The universal test equipment frame according to claim 1, characterized in that the mounting plate (1) is provided with hold-down posts (105) extending in the direction of the mounting table.

5. The universal test equipment frame according to claim 1, wherein a second driving assembly (5) is connected to the carrier board connector (4), the second driving assembly (5) is horizontally disposed on the assembly table (2), and the second driving assembly (5) drives the carrier board connector (4) to horizontally move relative to the assembly table (2).

6. The universal test equipment frame of claim 5, wherein carrier plate connection piece (4) is kept away from second drive assembly (5) one side is connected with prevents pressing from both sides mechanism (6), prevent pressing from both sides mechanism (6) including prevent clamp plate (601) and with prevent floating slider (602) that clamp plate (601) is connected, floating slider (602) are located prevent clamp plate (601) with between carrier plate connection piece (4), be equipped with in floating slider (602) and prevent pressing from both sides spring and spring zip, prevent pressing from both sides the spring housing and establish in the spring zip outside, the spring zip is used for connecting prevent clamp plate (601) with carrier plate connection piece.

7. The universal test equipment frame according to claim 1, wherein the two sides of the opening of the mounting table are further provided with a guide pin (201) and an elastic member (202).

8. The universal test equipment frame according to any one of claims 1 to 7, comprising an upper case (7) and a lower case (8), wherein the upper case (7) and the lower case (8) are matched to form a square cavity for accommodating the upper fixing portion and the lower fixing portion, and one side of the upper case (7) is provided with a rectangular opening for allowing the carrier board connector mounted with the test carrier board (10) to horizontally enter and exit the square cavity.

9. The universal test equipment frame according to claim 8, wherein a heat sink fan (801) is provided inside the lower housing.

10. A test equipment comprising a generic test equipment frame according to any of claims 1-9 and an upper pin test module (9), a lower pin test module (11) and a test carrier board (10) mounted to the generic test equipment frame.

Images