CN215005732U - Circuit board testing equipment - Google Patents
Circuit board testing equipment Download PDFInfo
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- CN215005732U CN215005732U CN202120054767.8U CN202120054767U CN215005732U CN 215005732 U CN215005732 U CN 215005732U CN 202120054767 U CN202120054767 U CN 202120054767U CN 215005732 U CN215005732 U CN 215005732U
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Abstract
The utility model discloses a circuit board test equipment, place in with in the quick-witted box testing arrangement in the internal chamber of machine box, testing arrangement has two along upper and lower direction mutual disposition's test needle board seat and one arranges in two between the test needle board seat and be used for accepting the unit of accepting of support plate, and work as the support plate is arranged in when accepting on the unit, two at least one in the test needle board seat can be relative the support plate removes, and then realizes two the test needle board seat homoenergetic enough to be put in circuit board to be measured on the support plate carries out functional test. The circuit board testing equipment is reasonable and novel in structure, convenient to operate and high in automation degree, not only improves the testing precision and the testing efficiency, but also effectively reduces the labor intensity of operators and effectively saves the production cost.
Description
Technical Field
The utility model relates to a test equipment technical field specifically provides a circuit board test equipment.
Background
Before the circuit board leaves a factory, the circuit board needs to be subjected to function detection. At present, manual operation is mostly adopted, but on one hand, visual fatigue is difficult to avoid by manual visual inspection for a long time, the detection precision of a circuit board is influenced, and the product quality is difficult to control; on the other hand, the manual detection intensity is high, and the test efficiency is low; and the circuit board is easy to be damaged during manual detection, and the production loss is increased.
In view of this, the present invention is especially provided.
Disclosure of Invention
In order to overcome the defects, the utility model provides a circuit board testing device, its is rational in infrastructure, novel, and convenient operation, degree of automation are high, have both improved measuring accuracy and efficiency of software testing, have effectively reduced operating personnel's intensity of labour again, and have effectively practiced thrift manufacturing cost.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a circuit board test equipment, places in including quick-witted box testing arrangement in the quick-witted box inner chamber, testing arrangement has two along upper and lower direction mutual disposition's test needle board seat and one arranges in two between the test needle board seat and be used for accepting the unit of accepting of support plate, and works as the support plate is arranged in when accepting on the unit, two at least one in the test needle board seat can be relative the support plate removes, and then realizes two the test needle board seat all can be to placing in the circuit board that awaits measuring on the support plate carries out functional test.
As a further improvement of the present invention, two of the test needle plate seats are defined as an upper test needle plate seat and a lower test needle plate seat respectively, wherein the upper test needle plate seat has an upper plate seat transversely arranged in the inner cavity of the chassis body, a plurality of upper probes positioned on the lower side of the upper plate seat, and a plurality of floating blocks elastically connected to the lower side of the upper plate seat through springs a, and the lower test needle plate seat has a lower plate seat transversely arranged in the inner cavity of the chassis body and simultaneously positioned below the upper test needle plate seat, a plurality of lower probes positioned on the upper side of the lower plate seat, and a floating plate frame which is annular and elastically connected to the periphery of the upper side of the lower plate seat through a plurality of springs B;
the bearing unit is provided with two bearing plates in a transverse long strip shape, and the two bearing plates are arranged between the upper plate seat and the lower plate seat side by side and can move up and down so as to be used for the carrying plate to carry;
and when the support plate stretches over and is placed on the two bearing plates, one of the upper test needle plate seat and the lower test needle plate seat can move relative to the support plate, and the upper test needle plate seat or the lower test needle plate seat can drive the two bearing plates and the support plate to move synchronously, so that the function test of the circuit board to be tested on the support plate can be performed by a plurality of upper probes on the upper test needle plate seat and a plurality of lower probes on the lower test needle plate seat.
As a further improvement of the utility model, three transversely placed partition plates are positioned and arranged in the inner cavity of the case body, and the three partition plates are also arranged in parallel along the up-down direction so as to divide two testing stations in the inner cavity of the case body;
the testing devices are two and are respectively arranged in the two testing stations, correspondingly, one testing device positioned above is defined as an upper testing device, and the other testing device positioned below is defined as a lower testing device.
As a further improvement of the utility model, three baffles are sequentially defined as an upper baffle, a middle baffle and a lower baffle from top to bottom;
the two bearing plates in the upper testing device are arranged between the upper partition plate and the middle partition plate and can move up and down, the lower testing needle plate seat in the upper testing device is positioned and connected to the upper side of the middle partition plate, and the upper testing needle plate seat in the upper testing device is movably connected to the lower side of the upper partition plate and can also move downwards relative to the carrier plate and the lower testing needle plate seat;
two of the lower test device are arranged between the middle partition plate and the lower partition plate, the receiving plates can move up and down, the upper test needle plate seat in the lower test device is connected to the lower side of the middle partition plate in a positioning mode, and the lower test needle plate seat in the lower test device is movably connected to the upper side of the lower partition plate and can move up and down relative to the carrier plate and the upper test needle plate seat.
As a further improvement of the utility model, the realization is located go up two among the testing arrangement accept the board can reciprocate set up in go up the baffle with structure between the median septum does: the bearing unit in the upper testing device is also provided with two supporting plates in a transverse long strip shape, the two supporting plates are arranged side by side and fixedly arranged between the upper partition plate and the middle partition plate, a plurality of vertical guide rods are respectively arranged on the two supporting plates, the two bearing plates are respectively in one-to-one correspondence with the two supporting plates, and each bearing plate is also respectively movably sleeved on the corresponding vertical guide rods; in addition, a spring C is sleeved outside each vertical guide rod, and the upper end and the lower end of each spring C are respectively connected with the corresponding bearing plate and the corresponding supporting plate in a positioning way;
the realization is located go up among the testing arrangement test needle board seat location connect in the structure on the median septum upside does: the lower side of the lower plate seat in the upper testing device is positioned and connected to the upper side of the middle partition plate through a plurality of screws;
the realization is located in go up among the testing arrangement go up test needle board seat swing joint in on the last baffle downside, and can also be relative the support plate reaches the structure that test needle board seat pushed down the removal down does: go up testing arrangement still has one and goes up the lift cylinder, go up the cylinder body location of lift cylinder set up in go up on the baffle upside, the piston rod of going up the lift cylinder is worn to establish downwards go up the baffle and can follow vertical direction and carry out concertina movement, just go up and go up still positioning connection on the piston rod bottom of lift cylinder and have one to go up the mounting panel, on in the testing arrangement go up the upper plate seat upside location connect in go up on the mounting panel downside.
As a further improvement of the utility model, the realization is located two in the testing arrangement down accept the board can reciprocate set up in the median septum with structure between the baffle down is: two guide column groups are positioned in the inner cavity of the case body, each guide column group is provided with at least two vertical guide columns which are arranged side by side along the length direction of the bearing plate, and the two guide column groups are also arranged side by side along the parallel direction of the two bearing plates; the two bearing plates in the lower testing device are respectively in one-to-one correspondence with the two guide post groups, and each bearing plate is also movably sleeved on at least two corresponding vertical guide posts through a shaft sleeve;
the realization is located among the lower testing device go up test needle board seat location connect in the structure on the median septum downside is: the upper side of the upper plate seat in the lower testing device is positioned and connected to the lower side of the middle partition plate through a plurality of screws;
the realization is located in test device down test needle board seat swing joint in down on the baffle upside, and can also be relative the support plate reaches go up the structure that test needle board seat carried out the top pressure and removed does: lower testing arrangement still has a lift cylinder, the cylinder body location of lift cylinder set up in down on the baffle downside, the piston rod of lift cylinder upwards wears to establish down the baffle and can follow vertical direction and carry out concertina movement, just be in down on the piston rod top of lift cylinder still the location be connected with mounting panel down, down among the testing arrangement down the base downside location connect in down on the mounting panel upside.
As a further improvement of the utility model, a plurality of anti-over-pressure rods are respectively positioned on the lower side of the upper plate seat and the upper side of the lower plate seat; correspondingly, a plurality of through holes for the anti-overpressure rod to penetrate through are respectively arranged on the carrier plate and the floating plate frame.
As a further improvement, the utility model is provided with a plurality of rollers which are symmetrically arranged on the bearing plate.
The utility model has the advantages that: compared with the prior art, the circuit board testing equipment is reasonable and novel in structure, convenient to operate and high in automation degree, not only improves testing precision and testing efficiency, but also effectively reduces labor intensity of operators and effectively saves production cost. Secondly, the circuit board testing equipment is easy to be combined with other equipment (such as a docking station, a manipulator and the like) in a production line for application, so that the automation level of a production workshop is greatly improved.
Drawings
Fig. 1 is a schematic view of an exploded structure of the circuit board testing apparatus of the present invention;
fig. 2 is a partial view of the internal structure of the circuit board testing apparatus of the present invention;
FIG. 3 is an enlarged schematic view of the L-shaped portion (i.e., the receiving unit of the upper testing device) shown in FIG. 2;
FIG. 4 is an enlarged schematic view of the M part (i.e., the receiving unit in the lower testing device) shown in FIG. 2;
fig. 5 is a schematic view of the assembly relationship between the upper test needle plate seat, the carrier plate and the lower test needle plate seat of the present invention.
The following description is made with reference to the accompanying drawings:
1, a machine box body; 10-L-shaped support; 2-a testing device; 20-a receiving unit;
200-bearing plate; 201-a support plate; 202-vertical guide rod; 203-a roller; 204-connecting plate; 21-mounting a test needle board seat; 210-upper plate seat; 211-upper probe; 212 — a slider; 22-lower test needle board seat; 220-lower plate seat; 221-lower probe; 222-floating plate frames; 23-lifting and lowering the cylinder; 24-an upper mounting plate; 25-lower lifting cylinder; 26-lower mounting plate; 27-an anti-overpressure bar; 3, carrying a plate; 4-a partition board; 5, vertical guide pillars.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention is not limited to the embodiments described in the present application.
It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relation or adjustment of the size should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention. The terms "a", "B", "C" and the like in the description are used for convenience only and are not intended to limit the scope of the invention, and changes or modifications of their relative relationships may be made without substantial change in the technical content.
Example (b):
please refer to fig. 1, which is a schematic diagram of an exploded structure of the circuit board testing apparatus according to the present invention.
Circuit board test equipment include quick-witted box 1 and place in testing arrangement 2 in the 1 inner chamber of quick-witted box, it is unusual, testing arrangement 2 has two along the test needle board seat of upper and lower direction mutual disposition and one arranges in two between the test needle board seat and be used for accepting support plate 3 accept unit 20, and work as support plate 3 is arranged in through manipulator or the platform of plugging into when accepting on the unit 20, two at least one in the test needle board seat can be relative support plate 3 removes, and then realizes two test needle board seat homoenergetic relative in the circuit board that awaits measuring on the support plate 3 carries out functional test.
In this embodiment, it is preferable that two test probe card seats are respectively defined as an upper test probe card seat 21 and a lower test probe card seat 22, wherein, referring to fig. 5, the upper test probe card seat 21 has an upper board seat 210 transversely disposed in the inner cavity of the chassis 1, a plurality of upper probes 211 positioned on the lower side of the upper board seat 210, and a plurality of sliders 212 elastically connected to the lower side of the upper board seat 210 through springs a, and the lower test probe card seat 22 has a lower board seat 220 transversely disposed in the inner cavity of the chassis 1 and simultaneously located below the upper test probe card seat 21, a plurality of lower probes 221 positioned on the upper side of the lower board seat 220, and a floating board frame 222 in a ring shape (further in a square ring shape) and elastically connected to the upper periphery of the lower board seat 220 through a plurality of springs B;
the receiving unit 20 has two receiving plates 200 in a shape of a horizontal long strip, and the two receiving plates 200 are arranged side by side and can move up and down between the upper plate base 210 and the lower plate base 220 for the carrier plate 3 to set up;
when the carrier plate 3 is spanned and placed on the two bearing plates 200, one of the upper test needle plate seat 21 and the lower test needle plate seat 22 can move relative to the carrier plate 3, and the upper test needle plate seat 21 or the lower test needle plate seat 22 which moves can also drive the two bearing plates 200 and the carrier plate 3 to move synchronously, so that the function test of the circuit board to be tested on the carrier plate 3 can be performed by the upper probes 211 on the upper test needle plate seat 21 and the lower probes 221 on the lower test needle plate seat 22.
Preferably, three transverse partition plates 4 are positioned in the inner cavity of the chassis body 1, and the three partition plates 4 are also arranged in parallel in the vertical direction, so that two testing stations are divided in the inner cavity of the chassis body 1, and the method can be specifically shown in fig. 1 and fig. 2; the number of the test devices 2 is two, the test devices are respectively installed in the two test stations, correspondingly, one test device 2 located above is also defined as an upper test device, and the other test device 2 located below is defined as a lower test device, so that the following description is convenient;
in addition, the three partition boards 4 are sequentially defined as an upper partition board, a middle partition board and a lower partition board from top to bottom, wherein two receiving boards 200 in the upper testing device can be vertically moved between the upper partition board and the middle partition board, the lower testing pin board seat 22 in the upper testing device is positioned and connected on the upper side of the middle partition board, and the upper testing pin board seat 21 in the upper testing device is movably connected on the lower side of the upper partition board and can also be pressed and moved downwards relative to the carrier board 3 and the lower testing pin board seat 22 which are matched with the upper testing device;
two of the receiving plates 200 in the lower testing device can be arranged between the middle partition plate and the lower partition plate in a vertically movable manner, the upper testing needle plate seat 21 in the lower testing device is connected to the lower side of the middle partition plate in a positioning manner, and the lower testing needle plate seat 22 in the lower testing device is movably connected to the upper side of the lower partition plate and can also be relatively matched with the carrier plate 3 and the upper testing needle plate seat 21 to move in an upward pressing manner.
Further preferably, the two receiving plates 200 in the upper testing device are arranged between the upper partition plate and the middle partition plate in a vertically movable manner: the bearing unit 20 in the upper testing device is further provided with two supporting plates 201 which are both in a transverse long strip shape, the two supporting plates 201 are arranged side by side and fixedly arranged between the upper partition plate and the middle partition plate, the two supporting plates 201 are further respectively provided with a plurality of vertical guide rods 202, the two bearing plates 200 are respectively in one-to-one correspondence with the two supporting plates 201, and each bearing plate 200 is further respectively movably sleeved on the plurality of vertical guide rods 202 corresponding to the bearing plate 200; in addition, a spring C is sleeved outside each vertical guide rod 202, and the upper end and the lower end of each spring C are respectively connected with the corresponding bearing plate 200 and the corresponding support plate 201 in a positioning manner; refer specifically to FIGS. 2 and 3;
the realization is located in last testing arrangement lower test needle board seat 22 location connect in the structure on the median septum upside is: the lower side of the lower plate seat 220 in the upper test device is positioned and connected to the upper side of the middle partition plate through a plurality of screws;
the structure for realizing that the upper test needle plate seat 21 in the upper test device is movably connected to the lower side of the upper partition plate and can also move downwards relative to the carrier plate 3 and the lower test needle plate seat 22 is as follows: the upper testing device is also provided with an upper lifting cylinder 23, the cylinder body of the upper lifting cylinder 23 is positioned and arranged on the upper side of the upper partition plate, the piston rod of the upper lifting cylinder 23 downwards penetrates through the upper partition plate and can perform telescopic motion along the vertical direction, the bottom end of the piston rod of the upper lifting cylinder 23 is also positioned and connected with an upper mounting plate 24, and the upper side of the upper plate base 210 in the upper testing device is positioned and connected to the lower side of the upper mounting plate 24; in particular, refer to FIG. 2;
the two bearing plates 200 in the lower testing device can be vertically moved between the middle partition plate and the lower partition plate in the following structure: two guide column groups are positioned in the inner cavity of the case body 1, each guide column group is provided with at least two vertical guide columns 5 which are arranged side by side along the length direction of the bearing plate 200, and the two guide column groups are also arranged side by side along the parallel direction of the two bearing plates 200; the two bearing plates 200 in the lower testing device are respectively in one-to-one correspondence with the two guide post groups, and each bearing plate 200 is also movably sleeved on at least two corresponding vertical guide posts 5 through shaft sleeves; refer specifically to FIGS. 2 and 4; in addition, for realizing that each bearing plate 200 is movably sleeved on at least two corresponding vertical guide pillars 5 through a shaft sleeve, various embodiments can be provided, such as: two opposite sides of the two bearing plates 200 can be respectively and fixedly connected with a connecting plate 204, and the two connecting plates 204 are respectively movably sleeved on the vertical guide post 5 through shaft sleeves; in addition, in order to realize the limit stop of the two bearing plates 200 in the lower testing device, an L-shaped support 10 (see fig. 2) is further arranged in the inner cavity of the chassis body 1 to support and limit the two bearing plates 200, that is, when the lower lifting cylinder 25 does not perform the upward extending action, the two bearing plates 200 are freely overlapped on the two L-shaped supports 10;
the realization is located in lower testing device go up test faller seat 21 location connect in the structure on the median septum downside is: the upper side of the upper plate base 210 in the lower testing device is positioned and connected to the lower side of the middle partition plate through a plurality of screws;
the structure that realizes that the lower testing needle plate seat 22 in the lower testing device is movably connected to the upper side of the lower partition plate and can move upwards relative to the carrier plate 3 and the upper testing needle plate seat 21 is as follows: the lower testing device is also provided with a lower lifting cylinder 25, the cylinder body of the lower lifting cylinder 25 is positioned and arranged on the lower side of the lower partition plate, the piston rod of the lower lifting cylinder 25 upwards penetrates through the lower partition plate and can perform telescopic motion along the vertical direction, the top end of the piston rod of the lower lifting cylinder 25 is also positioned and connected with a lower mounting plate 26, and the lower side of the lower plate base 220 in the lower testing device is positioned and connected to the upper side of the lower mounting plate 26; in particular, reference is made to fig. 2.
In this embodiment, preferably, a plurality of overpressure-proof rods 27 are respectively positioned on the lower side of the upper plate base 210 and the upper side of the lower plate base 220, as shown in fig. 5; correspondingly, a plurality of through holes for the over-pressure prevention rods 27 to pass through are respectively arranged on the carrier plate 3 and the floating plate frame 222.
Preferably, a plurality of rollers 203 are symmetrically and movably mounted on the two bearing plates 200, so as to facilitate the carrier plate 3 to walk.
The utility model also provides a working method of circuit board test equipment specifically is: firstly, the carrier board 3 completes a loading process on a docking station (i.e. a circuit board to be tested is placed on the carrier board 3), and then the carrier board 3 is transferred onto the receiving unit 20 under the transportation of the docking station, which belongs to a common technical means in an automated workshop and does not belong to the protection point of the application, so that the detailed description is omitted herein; in addition, the feeding and the feeding processes can be realized through a connecting table, and can also be completed through other automatic equipment such as a manipulator and the like;
when a photoelectric sensor arranged in the test station senses that a carrier plate I is received on a receiving unit 20 in the upper test device, a controller controls the upper lifting cylinder 23 to work so as to drive the upper test needle plate seat 21 in the upper test device to move downwards relative to the carrier plate I and the lower test needle plate seat 22, and further, a plurality of upper probes 211 and a plurality of lower probes 221 in the upper test device respectively perform function tests on a circuit board to be tested on the carrier plate I;
correspondingly, when the photoelectric sensor arranged in the test station senses that the support plate II is supported on the supporting unit 20 in the lower test device, the controller controls the lower lifting cylinder 25 to work so as to drive the lower test needle plate seat 22 in the lower test device to perform upward pressing movement relative to the support plate II and the upper test needle plate seat 21, and further, the function test of the circuit board to be tested on the support plate I by the upper probes 211 and the lower probes 221 in the lower test device is realized respectively;
description of the drawings: a. photoelectric sensors for sensing incoming material information of the support plate are respectively installed in the two testing stations, and the two photoelectric sensors are respectively and electrically connected to the controller; b. the upper test device and the lower test device can work simultaneously or independently and are determined according to production requirements;
and thirdly, after the circuit board is subjected to functional test, the support plate and the circuit board on the support plate can be taken away through the connecting table or the manipulator.
To sum up, compare in prior art, circuit board test equipment is rational in infrastructure, novel, and convenient operation, degree of automation are high, have both improved measuring accuracy and efficiency of software testing, have effectively reduced operating personnel's intensity of labour again to and effectively practiced thrift manufacturing cost. In addition, the circuit board testing equipment is also easy to be combined with other equipment (such as a docking station, a manipulator and the like) in a production line for application, and the automation level of a production workshop is greatly improved.
The above description is only a preferred embodiment of the present invention, but not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and the present invention should also be considered as being in the protection scope of the present invention.
Claims (8)
1. The utility model provides a circuit board test equipment, includes quick-witted box (1) and places in testing arrangement (2) in quick-witted box (1) inner chamber, its characterized in that: the testing device (2) is provided with two testing needle plate seats which are oppositely arranged along the vertical direction and a bearing unit (20) which is arranged between the two testing needle plate seats and is used for bearing the carrier plate (3), and when the carrier plate (3) is arranged on the bearing unit (20), at least one of the two testing needle plate seats can move relative to the carrier plate (3), so that the two testing needle plate seats can carry out function testing on a circuit board to be tested on the carrier plate (3).
2. The circuit board testing apparatus of claim 1, wherein: defining the two test needle plate seats as an upper test needle plate seat (21) and a lower test needle plate seat (22) respectively, wherein the upper test needle plate seat (21) is provided with an upper plate seat (210) transversely arranged in the inner cavity of the case body (1), a plurality of upper probes (211) positioned and arranged on the lower side of the upper plate seat (210), and a plurality of floating blocks (212) elastically connected to the lower side of the upper plate seat (210) through springs A, the lower test needle plate seat (22) is provided with a lower plate seat (220) which is transversely arranged in the inner cavity of the machine box body (1) and is simultaneously positioned below the upper test needle plate seat (21), a plurality of lower probes (221) which are positioned and arranged on the upper side of the lower plate seat (220), and a floating plate frame (222) which is annular and is elastically connected to the periphery of the upper side of the lower plate seat (220) through a plurality of springs B;
the bearing unit (20) is provided with two bearing plates (200) which are in a horizontal long strip shape, and the two bearing plates (200) are arranged between the upper plate seat (210) and the lower plate seat (220) side by side and can move up and down so as to be used for the bearing plate (3) to be placed;
and when the carrier plate (3) stretches over and is placed on the two bearing plates (200), one of the upper test needle plate seat (21) and the lower test needle plate seat (22) can move relative to the carrier plate (3), and the upper test needle plate seat (21) or the lower test needle plate seat (22) can also drive the two bearing plates (200) and the carrier plate (3) to move synchronously, so that the function test of the circuit board to be tested on the carrier plate (3) can be realized through a plurality of upper probes (211) on the upper test needle plate seat (21) and a plurality of lower probes (221) on the lower test needle plate seat (22).
3. The circuit board testing apparatus of claim 2, wherein: three transverse partition plates (4) are positioned in the inner cavity of the machine box body (1), and the three partition plates (4) are also arranged in parallel along the vertical direction so as to divide two testing stations in the inner cavity of the machine box body (1);
the testing devices (2) are arranged in the two testing stations respectively, correspondingly, one testing device (2) positioned above is defined as an upper testing device, and the other testing device (2) positioned below is defined as a lower testing device.
4. The circuit board testing apparatus of claim 3, wherein: the three clapboards (4) are sequentially defined as an upper clapboard, a middle clapboard and a lower clapboard from top to bottom;
the two bearing plates (200) in the upper testing device are arranged between the upper partition plate and the middle partition plate and can move up and down, the lower testing needle plate seat (22) in the upper testing device is positioned and connected on the upper side of the middle partition plate, and the upper testing needle plate seat (21) in the upper testing device is movably connected on the lower side of the upper partition plate and can also move downwards relative to the carrier plate (3) and the lower testing needle plate seat (22);
two bearing plates (200) in the lower testing device can be arranged between the middle partition plate and the lower partition plate in an up-and-down mode, the upper testing needle plate seat (21) in the lower testing device is connected to the lower side of the middle partition plate in a positioning mode, and the lower testing needle plate seat (22) in the lower testing device is movably connected to the upper side of the lower partition plate and can move upwards relative to the carrier plate (3) and the upper testing needle plate seat (21).
5. The circuit board testing apparatus of claim 4, wherein: the structure which is arranged between the upper partition plate and the middle partition plate and can realize that two bearing plates (200) in the upper testing device can move up and down is as follows: the bearing unit (20) in the upper testing device is also provided with two supporting plates (201) which are in a transverse long strip shape, the two supporting plates (201) are arranged side by side and fixedly arranged between the upper partition plate and the middle partition plate, a plurality of vertical guide rods (202) are respectively arranged on the two supporting plates (201), the two bearing plates (200) are respectively in one-to-one correspondence with the two supporting plates (201), and each bearing plate (200) is also movably sleeved on the corresponding vertical guide rods (202); in addition, a spring C is sleeved outside each vertical guide rod (202), and the upper end and the lower end of each spring C are respectively connected with the bearing plate (200) and the supporting plate (201) corresponding to the spring C in a positioning manner;
the structure that the lower test needle plate seat (22) positioned in the upper test device is connected to the upper side of the middle partition plate is realized as follows: the lower side of the lower plate seat (220) in the upper testing device is positioned and connected to the upper side of the middle partition plate through a plurality of screws;
the structure that the upper test needle plate seat (21) which is positioned in the upper test device is movably connected on the lower side of the upper partition plate and can also move downwards relative to the carrier plate (3) and the lower test needle plate seat (22) is realized as follows: go up testing arrangement and still have one and go up lift cylinder (23), go up the cylinder body location of lift cylinder (23) set up in go up on the baffle upside, the piston rod of going up lift cylinder (23) is worn to establish downwards go up the baffle and can follow vertical direction and carry out concertina movement, just go up and go up still positioning connection on the piston rod bottom of lift cylinder (23) and have one to go up mounting panel (24), on in the testing arrangement go up plate holder (210) upside location connect in go up on mounting panel (24) downside.
6. The circuit board testing apparatus of claim 4, wherein: the two bearing plates (200) in the lower testing device can move up and down and are arranged between the middle partition plate and the lower partition plate in a structure that: two guide column groups are positioned in an inner cavity of the case body (1), each guide column group is provided with at least two vertical guide columns (5) which are arranged side by side along the length direction of the bearing plate (200), and the two guide column groups are also arranged side by side along the parallel direction of the two bearing plates (200); the two bearing plates (200) in the lower testing device are respectively in one-to-one correspondence with the two guide post groups, and each bearing plate (200) is also movably sleeved on at least two corresponding vertical guide posts (5) through shaft sleeves;
the structure that the upper test needle plate seat (21) positioned in the lower test device is connected to the lower side of the middle partition plate is realized as follows: the upper side of the upper plate seat (210) in the lower testing device is positioned and connected to the lower side of the middle partition plate through a plurality of screws;
the structure that the lower test needle plate seat (22) which is positioned in the lower test device is movably connected to the upper side of the lower partition plate and can move upwards relative to the carrier plate (3) and the upper test needle plate seat (21) is realized as follows: lower testing arrangement still has lift cylinder (25) once, the cylinder body location of lift cylinder (25) set up in down on the baffle downside, the piston rod of lift cylinder (25) upwards wears to establish down the baffle and can follow vertical direction and carry out concertina movement, just be in down on the piston rod top of lift cylinder (25) still the location connect have mounting panel (26) once, down in the testing arrangement down plate holder (220) downside location connect in on mounting panel (26) upside down.
7. The circuit board testing apparatus of claim 2, wherein: a plurality of anti-over-pressure rods (27) are respectively positioned on the lower side of the upper plate seat (210) and the upper side of the lower plate seat (220); correspondingly, a plurality of through holes for the over-pressure prevention rods (27) to penetrate are respectively formed in the carrier plate (3) and the floating plate frame (222).
8. The circuit board testing apparatus of claim 2, wherein: a plurality of rollers (203) are also symmetrically and movably arranged on the two bearing plates (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120054767.8U CN215005732U (en) | 2021-01-11 | 2021-01-11 | Circuit board testing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120054767.8U CN215005732U (en) | 2021-01-11 | 2021-01-11 | Circuit board testing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215005732U true CN215005732U (en) | 2021-12-03 |
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| CN202120054767.8U Active CN215005732U (en) | 2021-01-11 | 2021-01-11 | Circuit board testing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117310232A (en) * | 2023-11-29 | 2023-12-29 | 苏州维森格电子有限公司 | Carbon film testing device and method for circuit board production line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117310232A (en) * | 2023-11-29 | 2023-12-29 | 苏州维森格电子有限公司 | Carbon film testing device and method for circuit board production line |
| CN117310232B (en) * | 2023-11-29 | 2024-02-13 | 苏州维森格电子有限公司 | Carbon film testing device and method for circuit board production line |
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