CN218767027U - Test tool - Google Patents

Abstract

The utility model belongs to test fixture field, especially, test fixture need put the chip to current before the material loading, fixes in suitable position, could detect, and operating time is long, needs a plurality of test probe, and the circuit of connection is too much, and cost of manufacture and use cost all can promote the problem, now proposes following scheme, and it includes supporting mechanism, supporting mechanism includes workstation, four support columns, two cylinders and through-hole, four the equal fixed connection of support column is in the bottom of workstation, two cylinder fixed connection is at the top of workstation and is the symmetry setting, the utility model discloses in, magnet can adsorb the chip, and subsequent chip of being convenient for detects, through starting servo motor, and first spur gear drives the vertical rebound of the rectangle case that is equipped with the chip through sliding block and second rack, and first rack drives montant and diaphragm lateral shifting, and then moves test probe to the top of chip, accomplishes the testing process.

Description

Test tool

Technical Field

The utility model relates to a test fixture technical field especially relates to a test fixture.

Background

The integrated circuit chip is a miniature electronic device capable of realizing a certain circuit function, in order to ensure the stable and smooth work of the integrated circuit chip, the integrated circuit chip needs to be tested to screen out defective products, and the testing tool is used for fixing the integrated circuit chip so as to be convenient for stabilizing a tool for testing the integrated circuit chip.

Through the retrieval, the utility model discloses a test fixture for integrated circuit chip that bulletin number is CN216622608U, concretely relates to integrated circuit technical field, including base and the bracing piece of installing in base top edge, install the roof on the bracing piece top, base top middle part inlays and is equipped with the lower magnetic sheet that length is greater than the base width, the magnetic sheet both ends extend one section distance to the base both sides down, it holds carrier to be provided with detachable chip down on the magnetic sheet, chip holds carrier and is used for placing the integrated circuit chip who carries out the test, chip holds carrier makes a round trip to slide in magnetic sheet surface down chip holds carrier's top and is equipped with the test component who installs on the roof. The utility model discloses make the range of integrated electric chip on the chip holds carrier and these two processes of test on test fixture can part and go on simultaneously, realize once only having promoted integrated circuit chip's efficiency of software testing to a plurality of integrated circuit chip.

When the test tool for the integrated circuit chip is used, the following defects exist:

1. the chips need to be placed and fixed at proper positions before loading, so that detection can be carried out, and the operation time is long;

2. a plurality of detection probes are needed, the number of connected circuits is too large, the manufacturing cost and the use cost are both increased, and the mass production is not convenient.

To the above problem, the utility model discloses the file provides a test fixture.

SUMMERY OF THE UTILITY MODEL

The utility model provides a test fixture has solved and has had to put the chip before the material loading among the prior art, fixes in suitable position, could detect, and operating time is long, needs a plurality of test probe, and the circuit of connection is too much, and cost of manufacture and use cost all can promote, the shortcoming of mass production not convenient for.

The utility model provides a following technical scheme:

a test tool comprises a supporting mechanism, wherein the supporting mechanism comprises a workbench, four supporting columns, two cylinders and through holes, the four supporting columns are all fixedly connected to the bottom of the workbench, the two cylinders are fixedly connected to the top of the workbench and are symmetrically arranged, and the through holes are formed in the workbench;

the lifting mechanism is arranged inside the through hole and used for adjusting the height of the placing mechanism, and the two placing mechanisms are respectively arranged on two sides of the lifting mechanism and used for placing the chip;

the detection mechanism is arranged at the top of the lifting mechanism and is used for detecting the chip;

and the control mechanism is arranged in the lifting mechanism and is used for providing power for the detection mechanism and the lifting mechanism.

In a possible design, the placing mechanism comprises a magnet, a sliding plate, a rectangular box, a sliding block, a round hole and two tension springs, the sliding block is fixedly connected to one side of the rectangular box, the sliding plate is slidably connected to the inner wall of the rectangular box, the magnet is arranged at the top of the sliding plate, the round hole is formed in the bottom of the rectangular box and matched with a cylinder for use, and the two tension springs are fixedly connected between the bottom of the sliding plate and the inner wall of the bottom of the rectangular box and used for placing chips and improving detection efficiency.

In a possible design, elevating system includes lift box, two second racks, two rectangular holes, lift box fixed connection is in the inside of through-hole, two rectangular hole set up respectively in the both sides of lift box and with sliding block sliding connection, two second rack fixed connection is in one side of two sliding blocks respectively for the height of mechanism is placed in the adjustment.

In a possible design, detection mechanism includes diaphragm, detection probe, montant and first rack, first rack slides even to be connected at the top of lifting box, montant fixed connection is at the top of first rack, diaphragm fixed connection is at the top of montant, detection probe fixed connection is in the bottom of diaphragm for realize detecting the function, can also utilize servo motor's power simultaneously.

In a possible design, control mechanism includes servo motor, first spur gear, first pivot, second spur gear, first bevel gear, second pivot, servo motor fixed connection is at one side inner wall of cage, servo motor's output shaft and the one end fixed connection of second pivot, the outer wall at the second pivot is established to first spur gear and the equal fixed cover of second bevel gear, first pivot rotation runs through the top of cage, the fixed cover of second spur gear is established at the outer wall of first pivot and is meshed with first rack mutually, the fixed cover of first bevel gear is established at the outer wall of first pivot and is meshed with the second bevel gear mutually, provides power for detection mechanism and elevating system.

In a possible design, the placing mechanism further comprises two screws and two thread grooves, the screw threads penetrate through the inside of the sliding block, the thread grooves are formed in one side of the rectangular box, and the thread grooves are matched with the screws for fixing the sliding block and the rectangular box.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

The utility model discloses in, place the chip at the top of sliding plate, magnet adsorbs it, be convenient for subsequent chip detection, start servo motor, servo motor's output shaft drives the second pivot and rotates, the second pivot drives second bevel gear and first spur gear rotation, first spur gear drives the rectangle case vertical upward movement that is equipped with the chip through sliding block and second rack band, simultaneously the second bevel gear drives first bevel gear rotation, first bevel gear drives the second spur gear rotation, the second spur gear drives first rack lateral shifting, first rack drives montant and diaphragm lateral shifting, and then move the detection probe to the position directly over the chip, accomplish the testing process;

in the utility model, the sliding plate on the other side moves vertically downwards, the cylinder is inserted into the rectangular box through the round hole and pushes the sliding plate to move vertically upwards, the sliding plate moves vertically upwards and the tension spring is stretched to push out the chip, so that the chip is convenient to take and use;

the utility model discloses in, magnet can adsorb the chip, and subsequent chip of being convenient for detects, through starting servo motor, and first spur gear passes through the vertical rebound of the rectangle case that sliding block and second rack belt move and are equipped with the chip, and first rack drives montant and diaphragm lateral shifting, and then removes test probe to the chip directly over, accomplishes the testing process.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a testing tool according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a three-dimensional structure of a lifting box in a testing tool according to an embodiment of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of a rectangular box in a test fixture according to an embodiment of the present invention;

fig. 4 is a schematic three-dimensional structure diagram of a first bevel gear and a second bevel gear in a test fixture according to an embodiment of the present invention.

Reference numerals:

1. a support mechanism; 101. a support pillar; 102. a work table; 103. a cylinder; 104. a through hole; 2. a placement mechanism; 201. a magnet; 202. a sliding plate; 203. a rectangular box; 204. a slider; 205. a screw; 206. a thread groove; 207. a circular hole; 208. a tension spring; 3. a detection mechanism; 301. a transverse plate; 302. detecting the probe; 303. a vertical rod; 304. a first rack; 4. a control mechanism; 401. a servo motor; 402. a first spur gear; 403. a first rotating shaft; 404. a second spur gear; 405. a first bevel gear; 406. a second bevel gear; 407. a second rotating shaft; 5. a lifting mechanism; 501. a lifting box; 502. a second rack; 503. a rectangular hole.

Detailed Description

The embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "mounted" are to be interpreted broadly, for example, the terms "connected" may or may not be detachably connected; may be directly connected or indirectly connected through an intermediate. Further, "communication" may be direct communication or indirect communication through an intermediary. The term "fixed" means that they are connected to each other and the relative positional relationship after the connection is not changed. The directional terms used in the embodiments of the present invention, such as "inner", "outer", "top", "bottom", etc., are merely directions referring to the drawings, and therefore, the directional terms used are intended to better and more clearly illustrate and understand the embodiments of the present invention, rather than to indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the embodiments of the present invention.

In the embodiments of the present invention, the terms "first" and "second" 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 embodiment of the present invention, "and/or" is only an association relationship describing an associated object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.

Example 1

Referring to fig. 1-4, a test fixture comprises a support mechanism 1, wherein the support mechanism 1 comprises a workbench 102, four support columns 101, two cylinders 103 and through holes 104, the four support columns 101 are all fixedly connected to the bottom of the workbench 102, the two cylinders 103 are fixedly connected to the top of the workbench 102 and symmetrically arranged, and the through holes 104 are formed in the workbench 102;

the lifting mechanism 5 and the two sets of placing mechanisms 2, the lifting mechanism 5 is arranged inside the through hole 104 and used for adjusting the height of the placing mechanism 2, the two sets of placing mechanisms 2 are respectively arranged on two sides of the lifting mechanism 5 and used for placing chips, the placing mechanism 2 comprises a magnet 201, a sliding plate 202, a rectangular box 203, a sliding block 204, a round hole 207 and two tension springs 208, the sliding block 204 is fixedly connected to one side of the rectangular box 203, the sliding plate 202 is slidably connected to the inner wall of the rectangular box 203, the magnet 201 is arranged on the top of the sliding plate 202, the round hole 207 is arranged at the bottom of the rectangular box 203 and used in cooperation with the cylinder 103, the two tension springs 208 are fixedly connected between the bottom of the sliding plate 202 and the inner wall of the bottom of the rectangular box 203 and used for placing chips, and detection efficiency is improved, the lifting mechanism 5 comprises a lifting box 501, two second racks 502 and two rectangular holes 503, the lifting box 501 is fixedly connected to the inside of the through hole 104, the two rectangular holes 503 are respectively arranged on two sides of the lifting box 501 and slidably connected with the sliding block 204, the two second racks 502 are respectively and used for adjusting the height of the placing mechanism 2;

the detection mechanism 3 is arranged at the top of the lifting mechanism 5 and used for detecting a chip, the detection mechanism 3 comprises a transverse plate 301, a detection probe 302, a vertical rod 303 and a first rack 304, the first rack 304 is connected to the top of the lifting box 501 in a sliding manner, the vertical rod 303 is fixedly connected to the top of the first rack 304, the transverse plate 301 is fixedly connected to the top of the vertical rod 303, the detection probe 302 is fixedly connected to the bottom of the transverse plate 301 and used for realizing a detection function, and meanwhile, the power of the servo motor 401 can be utilized;

the control mechanism 4 is arranged inside the lifting mechanism 5 and used for providing power for the detection mechanism 3 and the lifting mechanism 5, the control mechanism 4 comprises a servo motor 401, a first spur gear 402, a first rotating shaft 403, a second spur gear 404, a first bevel gear 405, a second bevel gear 406 and a second rotating shaft 407, the servo motor 401 is fixedly connected to the inner wall of one side of the lifting box 501, an output shaft of the servo motor 401 is fixedly connected with one end of the second rotating shaft 407, the first spur gear 402 and the second bevel gear 406 are fixedly sleeved on the outer wall of the second rotating shaft 407, the first rotating shaft 403 rotatably penetrates through the top of the lifting box 501, the second spur gear 404 is fixedly sleeved on the outer wall of the first rotating shaft 403 and meshed with the first rack 304, and the first bevel gear 405 is fixedly sleeved on the outer wall of the first rotating shaft 403 and meshed with the second bevel gear 406 to provide power for the detection mechanism 3 and the lifting mechanism 5.

Example 2

Referring to fig. 1-4, a test fixture comprises a support mechanism 1, wherein the support mechanism 1 comprises a workbench 102, four support columns 101, two cylinders 103 and through holes 104, the four support columns 101 are all fixedly connected to the bottom of the workbench 102, the two cylinders 103 are fixedly connected to the top of the workbench 102 and symmetrically arranged, and the through holes 104 are formed in the workbench 102;

the lifting mechanism 5 and the two sets of placing mechanisms 2, the lifting mechanism 5 is arranged inside the through hole 104 and used for adjusting the height of the placing mechanism 2, the two sets of placing mechanisms 2 are respectively arranged on two sides of the lifting mechanism 5 and used for placing chips, the placing mechanism 2 comprises a magnet 201, a sliding plate 202, a rectangular box 203, a sliding block 204, a round hole 207 and two tension springs 208, the sliding block 204 is fixedly connected to one side of the rectangular box 203, the sliding plate 202 is slidably connected to the inner wall of the rectangular box 203, the magnet 201 is arranged at the top of the sliding plate 202, the round hole 207 is arranged at the bottom of the rectangular box 203 and used in cooperation with a cylinder 103, the two tension springs 208 are both fixedly connected between the bottom of the sliding plate 202 and the inner wall of the bottom of the rectangular box 203 and used for placing chips, the detection efficiency is improved, the placing mechanism 2 further comprises two screws 205 and two thread grooves 206, the screws 205 penetrate through the inside of the sliding block 204, the thread grooves 206 are arranged on one side of the rectangular box 203, the thread grooves 206 are used in cooperation with the screws 205 and used for fixing the sliding block 204 and the rectangular box 203, the lifting mechanism 5 comprises two lifting boxes 501, two second racks 502, the lifting mechanism 501, the two through hole 501 are respectively connected to one side of the sliding block 204, and used for adjusting the sliding block 204, and the sliding mechanism 502;

the detection mechanism 3 is arranged at the top of the lifting mechanism 5 and used for detecting a chip, the detection mechanism 3 comprises a transverse plate 301, a detection probe 302, a vertical rod 303 and a first rack 304, the first rack 304 is connected to the top of the lifting box 501 in a sliding mode, the vertical rod 303 is fixedly connected to the top of the first rack 304, the transverse plate 301 is fixedly connected to the top of the vertical rod 303, the detection probe 302 is fixedly connected to the bottom of the transverse plate 301 and used for achieving a detection function, and meanwhile, the power of the servo motor 401 can be utilized;

the control mechanism 4 is arranged inside the lifting mechanism 5 and used for providing power for the detection mechanism 3 and the lifting mechanism 5, the control mechanism 4 comprises a servo motor 401, a first spur gear 402, a first rotating shaft 403, a second spur gear 404, a first bevel gear 405, a second bevel gear 406 and a second rotating shaft 407, the servo motor 401 is fixedly connected to the inner wall of one side of the lifting box 501, an output shaft of the servo motor 401 is fixedly connected with one end of the second rotating shaft 407, the first spur gear 402 and the second bevel gear 406 are fixedly sleeved on the outer wall of the second rotating shaft 407, the first rotating shaft 403 rotatably penetrates through the top of the lifting box 501, the second spur gear 404 is fixedly sleeved on the outer wall of the first rotating shaft 403 and meshed with the first rack 304, and the first bevel gear 405 is fixedly sleeved on the outer wall of the first rotating shaft 403 and meshed with the second bevel gear 406 to provide power for the detection mechanism 3 and the lifting mechanism 5.

However, as is well known to those skilled in the art, the working principle and wiring method of the servo motor 401 and the detection probe 302 are common knowledge and are not described herein, and those skilled in the art can make any choice according to their needs or convenience.

The working principle and the using process of the technical scheme are as follows: when the detection probe is used, a chip is placed on the top of the sliding plate 202, the magnet 201 adsorbs the chip to facilitate subsequent chip detection, the servo motor 401 is started, the output shaft of the servo motor 401 drives the second rotating shaft 407 to rotate, the second rotating shaft 407 drives the second bevel gear 406 and the first spur gear 402 to rotate, the first spur gear 402 drives the rectangular box 203 filled with the chip to vertically move upwards through the sliding block 204 and the second rack 502, the second bevel gear 406 drives the first bevel gear 405 to rotate, the first bevel gear 405 drives the second spur gear 404 to rotate, the second spur gear 404 drives the first rack 304 to transversely move, the first rack 304 drives the vertical rod 303 and the transverse plate 301 to transversely move, the detection probe 302 is further moved to the position right above the chip, the detection process is completed, the sliding plate 202 on the other side vertically moves downwards, the cylinder 103 is inserted into the rectangular box 203 through the circular hole 207 and pushes the sliding plate 202 to vertically move upwards, the sliding plate 202 vertically moves and stretches the tension spring 208 to push out the chip, and the chip is convenient to take and use.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention; without conflict, embodiments of the present invention and features of the embodiments may be combined with each other. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. The utility model provides a test fixture which characterized in that includes:

the supporting mechanism (1) comprises a workbench (102), four supporting columns (101), two cylinders (103) and through holes (104), wherein the four supporting columns (101) are fixedly connected to the bottom of the workbench (102), the two cylinders (103) are fixedly connected to the top of the workbench (102) and are symmetrically arranged, and the through holes (104) are formed in the workbench (102);

the chip placing device comprises a lifting mechanism (5) and two groups of placing mechanisms (2), wherein the lifting mechanism (5) is arranged in a through hole (104) and used for adjusting the height of the placing mechanisms (2), and the two groups of placing mechanisms (2) are respectively arranged on two sides of the lifting mechanism (5) and used for placing chips;

the detection mechanism (3) is arranged at the top of the lifting mechanism (5) and is used for detecting the chip;

and the control mechanism (4) is arranged in the lifting mechanism (5) and is used for providing power for the detection mechanism (3) and the lifting mechanism (5).

2. The test tool according to claim 1, wherein the placing mechanism (2) comprises a magnet (201), a sliding plate (202), a rectangular box (203), a sliding block (204), a round hole (207) and two tension springs (208), the sliding block (204) is fixedly connected to one side of the rectangular box (203), the sliding plate (202) is slidably connected to the inner wall of the rectangular box (203), the magnet (201) is arranged at the top of the sliding plate (202), the round hole (207) is formed in the bottom of the rectangular box (203) and is matched with the cylinder (103) for use, and the two tension springs (208) are both fixedly connected between the bottom of the sliding plate (202) and the inner wall of the bottom of the rectangular box (203).

3. The testing tool according to claim 1, wherein the lifting mechanism (5) comprises a lifting box (501), two second racks (502) and two rectangular holes (503), the lifting box (501) is fixedly connected inside the through hole (104), the two rectangular holes (503) are respectively formed in two sides of the lifting box (501) and are in sliding connection with the sliding block (204), and the two second racks (502) are respectively fixedly connected to one side of the two sliding blocks (204).

4. The testing tool according to claim 1, characterized in that the detection mechanism (3) comprises a transverse plate (301), a detection probe (302), a vertical rod (303) and a first rack (304), the first rack (304) is connected to the top of the lifting box (501) in a sliding manner, the vertical rod (303) is fixedly connected to the top of the first rack (304), the transverse plate (301) is fixedly connected to the top of the vertical rod (303), and the detection probe (302) is fixedly connected to the bottom of the transverse plate (301).

5. The test tool according to claim 1, wherein the control mechanism (4) comprises a servo motor (401), a first spur gear (402), a first rotating shaft (403), a second spur gear (404), a first bevel gear (405), a second bevel gear (406) and a second rotating shaft (407), the servo motor (401) is fixedly connected to the inner wall of one side of the lifting box (501), the output shaft of the servo motor (401) is fixedly connected with one end of the second rotating shaft (407), the first spur gear (402) and the second bevel gear (406) are both fixedly sleeved on the outer wall of the second rotating shaft (407), the first rotating shaft (403) rotates to penetrate through the top of the lifting box (501), the second spur gear (404) is fixedly sleeved on the outer wall of the first rotating shaft (403) and meshed with the first rack (304), and the first bevel gear (405) is fixedly sleeved on the outer wall of the first rotating shaft (403) and meshed with the second bevel gear (406).

6. The test tool according to claim 1, wherein the placing mechanism (2) further comprises two screws (205) and two thread grooves (206), the screws (205) penetrate through the inside of the sliding block (204), the thread grooves (206) are formed in one side of the rectangular box (203), and the thread grooves (206) are matched with the screws (205) in use.

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