CN114236200B - Position-adjustable electric test needle device - Google Patents
Position-adjustable electric test needle device Download PDFInfo
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- CN114236200B CN114236200B CN202111553722.6A CN202111553722A CN114236200B CN 114236200 B CN114236200 B CN 114236200B CN 202111553722 A CN202111553722 A CN 202111553722A CN 114236200 B CN114236200 B CN 114236200B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2851—Testing of integrated circuits [IC]
- G01R31/2855—Environmental, reliability or burn-in testing
- G01R31/2856—Internal circuit aspects, e.g. built-in test features; Test chips; Measuring material aspects, e.g. electro migration [EM]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention relates to an electric test needle device, in particular to an electric test needle device with adjustable position. The invention provides an adjustable position electric test needle device capable of replacing different types of test needles. The present invention provides such a position-adjustable motorized test needle device comprising: the base is provided with a shell at the top; the movable door is arranged on the front side of the shell in a sliding manner; the observation lens, the shell top left and right sides all is provided with the observation lens that can conveniently observe PCB board test condition. The third movable frame upwards moves to drive the inserted bar upwards to move so as to loosen the test needle, a worker takes down the test needle and changes the test needle, then the worker places the PCB on the object placing plate, the worker pushes the second movable frame to slide left and right to adjust the position of the test needle, and then the first movable frame downwards slides to drive the test needle to contact with the PCB, so that the PCB is tested.
Description
Technical Field
The invention relates to an electric test needle device, in particular to an electric test needle device with adjustable position.
Background
In order to ensure the connection effectiveness between the PCB and the PCB, the PCB is used as the most important core component in the electronic product, so that the PCB needs to be tested against part of pins of the BTB connector in the PCB by using a test to ensure that the PCB can effectively transmit electric signals.
Patent publication number CN207051437U discloses an electric test needle device comprising a housing, and a test mechanism; the test mechanism comprises a miniature driving motor and a test part; the shell is provided with a first cavity and a second cavity from top to bottom in sequence, the micro driving motor is arranged in the first cavity, and the test part is arranged in the second cavity; the drive shaft of miniature driving motor sets up to the tip and sets up the lead screw that locates the second cavity lateral wall, and test portion includes the locating plate to and many test needles, many test needles all with run through the pinhole sliding fit that sets up in the test wall of second cavity, the second cavity is provided with the spout, the both ends and the spout sliding fit of locating plate, the inner wall of first cavity cover has electromagnetic shield layer. When the test needle device is used, according to the test position, the test needle and the micro driving motor are integrally arranged in advance, then the assembled test needle device is directly installed, then the micro driving motor is started, the output shaft of the micro driving motor rotates positively and negatively to drive the screw rod to rotate, the screw rod rotates to drive the positioning plate to move up and down, the positioning plate moves up and down to drive the test needle to move up and down, the test needle moves to a proper position, and a worker holds the whole device to test the PCB. But this test needle device can not change the test needle of different grade type, but also can not be accurate according to the position that the PCB board tested to adjust the test needle to influence PCB board test efficiency.
Therefore, it is necessary to invent a position-adjustable electric test needle device capable of changing different types of test needles to solve the above-mentioned problems.
Disclosure of Invention
In order to overcome the defects that the existing test needle device cannot replace different types of test needles and can not accurately adjust the test needles according to the tested positions of the PCB, thereby influencing the test efficiency of the PCB, the technical problem of the invention is that: an adjustable position motorized test needle device is provided that enables replacement of different types of test needles.
The invention is realized by the following technical approaches: an electrically-operated test needle device with adjustable position, comprising: the base is provided with a shell at the top; the movable door is arranged on the front side of the shell in a sliding manner; the left side and the right side of the top of the shell are respectively provided with an observation lens which can conveniently observe the testing condition of the PCB; the lower part in the shell is provided with a placing component capable of placing the PCB; the lower part in the shell is provided with a test component which can test the PCB; the test assembly is detachably provided with a test needle; the test device comprises a replacement component, wherein the replacement component is arranged on the test component and is convenient for replacing the test needle.
As an improvement of the above, the placement module includes: the first guide rod is symmetrically arranged at the left and right of the inner lower part of the shell; the first movable plates are symmetrically arranged on the two first guide rods in a sliding mode; the object placing plates are arranged among the four first movable plates and can be used for placing the PCB; the first spring is wound between the bottom of the first movable plate and the similar first guide rod; and the limiting plates are arranged in the middle of the two first guide rods, and the object placing plate moves downwards to be in contact with the limiting plates.
As an improvement of the above, the test assembly includes: the middle position of the top in the shell is provided with the electric push rod; the left side and the right side of the inner top of the shell are symmetrically provided with the second guide rods in a front-back way; the first movable frame is arranged among the four second guide rods in a sliding manner, and the extension end of the electric push rod is connected with the top of the first movable frame; three groups of chute rods are uniformly arranged between the left side and the right side of the lower part of the first movable frame at intervals, and two chute rods are one group; the second movable frames are arranged on each group of chute rods in a sliding manner; the upper parts of the three second movable frames are respectively provided with a first sliding sleeve; the lower parts of the three second movable frames are respectively provided with a first sliding rod in a sliding manner, the upper parts of the first sliding rods are respectively connected with a similar first sliding sleeve in a sliding manner, and the test needles are respectively arranged at the bottom ends of the first sliding rods in a detachable manner; the second spring is connected between the top end of the first sliding rod and the upper part of the similar first sliding sleeve; the top ends of the three first sliding rods are respectively provided with an ejector rod, and the ejector rods are respectively connected with the similar first sliding sleeves in a sliding manner; the top all is provided with pressure sensor in three second movable frames, and pressure sensor passes through electric connection with electric putter, and the ejector pin upwards moves and pressure sensor contact.
As an improvement of the above, the replacement assembly includes: the lower parts of the three first sliding rods are symmetrically and horizontally provided with the second sliding rods in a sliding manner; a third movable frame is arranged between the top ends of the two second sliding rods which are close to each other; the bottom of each of the three third movable frames is symmetrically provided with a plunger which is matched with a similar test needle; and a third spring is wound between the lower part of the second sliding rod and the similar first sliding rod.
As the improvement of above-mentioned scheme, still including the adjusting part that can adjust the test needle position, adjusting part includes: the support frames are arranged on the left side and the right side of the first movable frame, and three bearings are uniformly and rotatably arranged on the two support frames at intervals; the rotating rod is uniformly arranged between the left bearing and the right bearing, and the left end and the right end of the rotating rod are both connected with the shell in a sliding manner; the left end and the right end of the three rotating rods are respectively provided with a knob; the middle parts of the three rotating rods are respectively provided with a screw rod; the middle parts of the three screw rods are matched with nuts, and the tops of the second movable frames with similar bottoms are connected.
As the improvement of above-mentioned scheme, still including the firm subassembly that can press from both sides tight PCB board, firm subassembly includes: the support ring is arranged at the bottom of the object placing plate; the support ring is provided with a rotary table with grooves in a sliding manner; the four third guide rods are uniformly arranged in the storage plate at intervals and are respectively arranged on the front side, the rear side, the left side and the right side in the storage plate; the first movable clamping plates are arranged on the four third guide rods in a sliding manner and can clamp the PCB; the fourth springs are wound between one back side of each of the four first movable clamping plates and the inside of the object placing plate; the bottoms of the four first movable clamping plates are provided with first contact rods which are connected with the grooved turntable in a sliding manner; the middle position of the lower part in the shell is provided with a groove drum; the bottom of the belt groove rotary table is provided with a belt bar rotary table which is connected with the groove drum in a sliding manner; the left side and the right side of the lower part of the first movable frame are provided with second sliding sleeves symmetrically in front-back mode; the compression bars are arranged in the four second sliding sleeves in a sliding mode, and move downwards to be in contact with the object placing plate; and a fifth spring is connected between the top of the compression bar and the inside of the second sliding sleeve.
As the improvement of above-mentioned scheme, still including the anti-subassembly that turns that can prevent the dwang, the anti-subassembly that turns includes: the contact plates are symmetrically arranged on the left side and the right side in the shell from front to back; the fixed clamping plates are arranged on one side, opposite to the back, of the two support frames; the third sliding rod is symmetrically arranged on the front and back of the two contact plates in a sliding mode; the second movable clamping plates are arranged between the outer ends of the two similar third sliding rods; the sixth springs are symmetrically connected in a surrounding manner between the inner side of the second movable clamping plate and the outer side of the similar fixed clamping plate; the second contact rods are symmetrically arranged on one side of the two second movable clamp plates, which is opposite to the side, and the second contact rods move downwards to be in contact with the contact plates; the left side and the right side of the three rotating rods are respectively provided with a second movable plate in a sliding mode, and the second movable clamping plates inwards slide to be in contact with the second movable plates; and a seventh spring is wound between the inner side of the second movable plate and the outer side of the similar bearing.
As an improvement of the scheme, the front side of the lower part of the movable door is provided with a handle.
Compared with the prior art, the invention has the remarkable advantages that: 1. the third movable frame upwards moves to drive the inserted bar upwards to move so as to loosen the test needle, a worker takes down the test needle and changes the test needle, then the worker places the PCB on the object placing plate, the worker pushes the second movable frame to slide left and right to adjust the position of the test needle, and then the first movable frame downwards slides to drive the test needle to contact with the PCB, so that the PCB is tested.
2. The staff can make the lead screw positive and negative rotation through forward rotation or reverse rotation knob, and then has realized that the test needle moves about and adjusts the position, no longer need the manual second movable frame of stirring of manual work.
3. The object placing plate moves downwards to drive the grooved turntable to move downwards, so that the grooved turntable is matched with the grooved drum to drive the grooved turntable to rotate by sliding downwards, and the first movable clamping plate slides in opposite directions to clamp the PCB.
4. The first contact rod moves downwards to be in contact with the contact plate, so that the second movable clamp plate moves in opposite directions to push the second movable plate to slide in opposite directions to be in contact with the fixed clamp plate, and further friction force is increased between the fixed clamp plate and the second movable clamp plate by clamping the second movable plate, and the rotating rod is prevented from rotating due to external force in the downward movement process of the first movable frame.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic view of a first partially cut-away structure of the present invention.
Fig. 3 is a schematic perspective view of a second embodiment of the present invention.
Fig. 4 is a schematic view of a second partially cut-away structure of the present invention.
Fig. 5 is a schematic view of a third partial cross-sectional structure of the present invention.
Fig. 6 is a schematic cross-sectional view of the placement module of the present invention.
FIG. 7 is a schematic cross-sectional view of a test needle assembly of the present invention.
Fig. 8 is an enlarged view of the portion a of the present invention.
Fig. 9 is an enlarged view of the portion B of the present invention.
FIG. 10 is a schematic cross-sectional view of a replacement assembly of the present invention.
FIG. 11 is a schematic cross-sectional view of an adjustment assembly of the present invention.
Fig. 12 is an enlarged view of the part C of the present invention.
FIG. 13 is a schematic view of a first partially cut-away configuration of a stabilization assembly of the present invention.
Fig. 14 is an enlarged view of the portion D of the present invention.
FIG. 15 is a schematic view of a portion of a stabilization assembly according to the present invention.
FIG. 16 is a schematic view of a second partially cut-away configuration of a stabilization assembly of the present invention.
Fig. 17 is an enlarged view of the portion E of the present invention.
FIG. 18 is a schematic cross-sectional view of a rotation stop assembly of the present invention.
Fig. 19 is an enlarged view of the portion F of the present invention.
Reference numerals in the figures: 1: base, 2: a shell, 3: movable door, 4: viewing lens, 5: test needle, 6: placing an assembly, 601: first guide bar, 602: first movable plate, 603: storage board, 604: first spring, 605: limiting plate, 7: test component, 701: electric putter, 702: second guide bar, 703: first movable frame, 704: chute rod, 705: second movable frame, 706: first sliding sleeve, 707: first slide bar, 708: second spring, 709: ejector pin, 710: pressure sensor, 8: replacement assembly, 801: third movable frame, 802: inserted bar, 803: second slide bar, 804: third spring, 9: adjusting part, 901: a support frame, 902: rotating lever, 903: knob, 904: screw, 905: nut, 10: stability assembly, 1001: support ring, 1002: fluted disc, 1003: third guide bar, 1004: first movable clamp plate, 1005: fourth spring, 1006: first contact lever, 1007: slot cartridge, 1008: lever carousel, 1009: second sliding sleeve, 1010: compression bar, 1011: fifth spring, 11: rotation stop assembly, 1101: contact plate, 1102: fixed splint 1103: third slide bar, 1104: second movable clamp plate, 1105: sixth spring, 1106: second contact lever, 1107: second movable plate 1108: and a seventh spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-10, an electric test needle device with adjustable position includes a base 1, a housing 2, a movable door 3, an observation lens 4, a test needle 5, a placement component 6, a test component 7 and a replacement component 8, wherein the top of the base 1 is provided with the housing 2, the front side of the housing 2 is slidably provided with the movable door 3, the front side of the lower part of the movable door 3 is provided with a handle, both sides of the top of the housing 2 are provided with the observation lens 4, the observation lens 4 is used for conveniently observing the test condition of a PCB board, the placement component 6 is arranged at the lower part in the housing 2, the placement component 6 is used for placing the PCB board, the test component 7 is arranged at the lower part in the housing 2, the test component 7 is used for testing the PCB board, the test needle 5 is detachably arranged on the test component 7, the replacement component 8 is arranged on the test component 7, and the replacement component 8 is used for replacing the test needle 5.
When the PCB needs to be tested, a worker fixes a proper test needle 5 on a test assembly 7 by using a replacement assembly 8, then the worker pushes a handle to drive a movable door 3 to slide upwards to open a shell 2, then the worker places the PCB on a placement assembly 6, after placement is completed, the worker pushes the test assembly 7 to slide left and right according to the position to be tested on the PCB, and then the test needle 5 moves left and right to a proper position, after completion, the worker releases the handle, the movable door 3 slides downwards to reset under the action of gravity to close the shell 2, and the test needle 5 is driven to move downwards to contact the PCB by the downward movement of the test assembly 7, so that the PCB is tested, and then the worker can observe the condition of the PCB test by observing a lens 4. The device has simple structure and is convenient to operate.
Example 2
Referring to fig. 6, on the basis of embodiment 1, the placement module 6 includes a first guide rod 601, a first movable plate 602, a placement plate 603, a first spring 604 and a limiting plate 605, the first guide rod 601 is symmetrically welded at the lower part of the housing 2, the first movable plates 602 are symmetrically arranged on the two first guide rods 601 in a sliding mode, the placement plate 603 is welded between the four first movable plates 602, the placement plate 603 is used for placing a PCB, a first spring 604 is wound between the bottom of the first movable plate 602 and the adjacent first guide rod 601, the middle part of the two first guide rods 601 is provided with the limiting plate 605, and the placement plate 603 moves downwards to contact with the limiting plate 605.
Referring to fig. 7-9, the test assembly 7 includes an electric push rod 701, a second guide rod 702, a first movable frame 703, sliding chute rods 704, a second movable frame 705, a first sliding sleeve 706, a first sliding rod 707, a second spring 708, a push rod 709 and a pressure sensor 710, wherein the electric push rod 701 is arranged in the middle of the top of the housing 2, the second guide rods 702 are symmetrically arranged on the left and right sides of the top of the housing 2, a first movable frame 703 is slidably arranged between the four second guide rods 702, the extension ends of the electric push rod 701 are connected with the top of the first movable frame 703, three groups of sliding chute rods 704 are uniformly welded at intervals between the left and right sides of the lower part of the first movable frame 703, two sliding chute rods 704 are in one group, the second movable frame 705 is slidably arranged on each group of sliding chute rods 704, the upper portions of the three second movable frames 705 are respectively provided with a first sliding sleeve 706, the lower portions of the three second movable frames 705 are respectively provided with a first sliding rod 707 in a sliding mode, the upper portions of the first sliding rods 707 are respectively connected with the similar first sliding sleeves 706 in a sliding mode, the test needles 5 are respectively detachably arranged at the bottom ends of the first sliding rods 707, second springs 708 are connected between the top ends of the first sliding rods 707 and the upper portions of the similar first sliding sleeves 706, ejector rods 709 are respectively welded at the top ends of the three first sliding rods 707, the ejector rods 709 are respectively connected with the similar first sliding sleeves 706 in a sliding mode, pressure sensors 710 are respectively arranged at the inner tops of the three second movable frames 705, and the pressure sensors 710 are in electrical connection with the electric push rods 701.
Referring to fig. 10, the replacing assembly 8 includes a third movable frame 801, an inserting rod 802, a second sliding rod 803 and a third spring 804, the lower parts of the three first sliding rods 707 are symmetrically provided with the second sliding rods 803 in a left-right sliding manner, the third movable frame 801 is welded between the top ends of the two adjacent second sliding rods 803, the inserting rods 802 are symmetrically provided at the bottoms of the three third movable frames 801 in a left-right manner, the inserting rods 802 are matched with the adjacent test needles 5, and the third springs 804 are wound between the lower parts of the second sliding rods 803 and the adjacent first sliding rods 707.
When the PCB board needs to be tested, a worker pulls the third movable frame 801 to move upwards, the third movable frame 801 moves upwards to drive the inserting rod 802 to move upwards, the third movable frame 801 moves upwards to drive the second sliding rod 803 to slide upwards, the third spring 804 is compressed, the inserting rod 802 moves upwards to loosen the test needle 5, then the worker removes the test needle 5 and replaces the test needle 5 with the test needle 5 used by the PCB board needing to be tested, after replacement, the worker installs the test needle 5 back to the bottom of the first sliding rod 707, then the worker releases the third movable frame 801, the third spring 804 moves downwards to drive the second sliding rod 803 to slide downwards to reset, the second sliding rod 803 moves downwards to drive the third movable frame 801 to move downwards, the third movable frame 801 moves downwards to drive the inserting rod 802 to insert the test needle 5, after the replacement, the worker pushes the handle to drive the movable door 3 to slide upwards to open the housing 2, then the PCB board is placed on the object board, after the placement, the worker pushes the second movable frame 705 to move left and right according to the position needed by the test on the PCB board, the first sliding rod 707 moves downwards, the second sliding rod 703 moves downwards, the second sliding rod 803 moves downwards to slide downwards, the second sliding rod 703 slides downwards, the second sliding rod 803 moves downwards to slide downwards, the second sliding rod 703 slides downwards, the second sliding rod 703 moves downwards to slide downwards, and then the second sliding rod 703 slides downwards to slide down the second sliding rod 703, and then moves the second sliding rod 703 to slide down the object through the second sliding rod 703, and moves the second sliding rod is downwards to slide the second sliding rod and moves the second sliding rod slide 3 to slide downwards to slide the slide. The object placing plate 603 moves downwards to drive the first movable plate 602 to slide downwards, the first spring 604 is compressed along with the first movable plate, when the object placing plate 603 moves downwards to be in contact with the limiting plate 605, the object placing plate 603 does not move downwards any more, when the test needle 5 moves downwards to be in contact with the PCB, the test needle 5 moves upwards along with the first sliding rod 707 to drive the first sliding rod 707 to slide upwards, the second spring 708 is compressed along with the second spring 708, the first sliding rod 707 slides upwards to drive the ejector rod 709 to slide upwards to be in contact with the pressure sensor 710, the pressure sensor 710 is controlled by pressure to stop stretching the stretching end of the electric push rod 701, at this time, the test needle 5 tests the PCB, after the test is finished, the staff controls the stretching end of the electric push rod 701 to shorten and reset, the stretching end of the electric push rod 701 shortens and drives the first movable frame 703 to slide upwards to reset, the first movable frame 703 slides upwards to be no longer in contact with the object placing plate 603, the first spring 604 resets to drive the first movable plate 602 to slide upwards to reset, the first movable plate 602 slides upwards to drive the object placing plate 603 to move upwards to reset, the first movable frame 703 slides upwards to pass through the chute rod 704, the second movable frame 705 and the first sliding rod 707 to drive the test needle 5 to move upwards to be separated from contact with the PCB, the second spring 708 resets to drive the first sliding rod 707 to slide downwards to reset, the first sliding rod 707 slides downwards to drive the ejector rod 709 to move downwards to reset, the first sliding rod 707 slides downwards to drive the test needle 5 to move downwards to reset, the ejector rod 709 moves downwards to be separated from contact with the pressure sensor 710, then the electric push rod 701 is closed to stop operation, the worker drives the movable door 3 to slide upwards again to open the shell 2 by pushing the handle, then the worker takes out the tested PCB to collect, the worker releases the handle after the test is completed, the movable door 3 slides downwards to reset under the action of gravity so as to close the shell 2. This device simple structure, the third movable frame 801 upwards moves and drives inserted bar 802 upwards to remove and loosen test needle 5, and the staff takes off test needle 5 and changes, then the staff puts the PCB board on putting the thing board 603, and the staff rethread promotes second movable frame 705 side-by-side and slides and adjust the position of test needle 5, then drives test needle 5 and PCB board contact through first movable frame 703 downwardly sliding, and then has realized testing the PCB board.
Example 3
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 11 and fig. 12, on the basis of embodiment 2, an adjusting component 9 is further included, the adjusting component 9 is used for adjusting the position of the test needle 5, the adjusting component 9 includes a supporting frame 901, a rotating rod 902, a knob 903, a screw rod 904 and a nut 905, the left side and the right side of the first movable frame 703 are respectively provided with the supporting frame 901, three bearings are uniformly and rotatably arranged on the two supporting frames 901 at intervals, the rotating rod 902 is respectively arranged between the left bearing and the right bearing, the left end and the right end of the rotating rod 902 are respectively connected with the shell 2 in a sliding manner, the knobs 903 are respectively welded at the left end and the right end of the three rotating rods 902, the screw rod 904 is respectively arranged in the middle of the three rotating rods 902, the middle of the three screw rods 904 are respectively matched with the nut 905, and the bottom of the nut 905 is respectively connected with the top of the second movable frame 705.
When the position of the test needle 5 needs to be adjusted, the worker rotates the rotary rod 902 forward and backward, the rotary rod 902 rotates forward and backward to drive the screw rod 904 to rotate forward and backward, the screw rod 904 rotates forward and backward to drive the nut 905 to move left and right, the nut 905 moves left and right to drive the second movable frame 705 to slide left and right, the second movable frame 705 slides left and right to drive the test needle 5 to move left and right, and when the test needle 5 to be tested moves to a proper position, the worker stops rotating the rotary rod 903. The device simple structure, the staff can make lead screw 904 positive and negative rotation through corotation or reversal knob 903, and then has realized that test needle 5 moves about and adjusts the position, no longer need the manual second movable frame 705 of stirring of manual.
Referring to fig. 2, 4, 13, 14, 15, 16 and 17, the PCB fixing device further comprises a fixing device 10, the fixing device 10 clamps the PCB, the fixing device 10 comprises a supporting ring 1001, a grooved turntable 1002, a third guide rod 1003, a first movable clamping plate 1004, a fourth spring 1005, a first contact rod 1006, a grooved drum 1007, a belt rod turntable 1008, a second sliding sleeve 1009, a compression bar 1010 and a fifth spring 1011, a supporting ring 1001 is arranged at the bottom of the accommodating plate 603, the grooved turntable 1002 is slidingly arranged on the supporting ring 1001, four third guide rods 1003 are uniformly arranged in the accommodating plate 603 at intervals, the four third guide rods 1003 are respectively arranged on the front, back, left and right sides of the interior of the accommodating plate 603, the four third guide rods 1003 are slidingly provided with a first movable clamping plate 1004, the first movable clamp plate 1004 is used for pressing from both sides tight PCB board, the round joint has fourth spring 1005 between four first movable clamp plate 1004 dorsad and the thing board 603 inside, first contact pole 1006 has all been welded to four first movable clamp plate 1004 bottoms, first contact pole 1006 all is connected with grooved pulley 1002 slidingtype, lower part intermediate position is provided with grooved drum 1007 in the shell 2, grooved pulley 1002 bottom is provided with area pole carousel 1008, area pole carousel 1008 is connected with grooved drum 1007 slidingtype, first movable frame 703 lower part left and right sides all bilateral symmetry is provided with second sliding sleeve 1009, all slidingtype is provided with depression bar 1010 in four second sliding sleeve 1009, depression bar 1010 downwardly moving is with putting thing board 603 contact, be connected with fifth spring 1011 between depression bar 1010 top and the second sliding sleeve inside that is close.
The first movable frame 703 slides downwards to drive the pressing rod 1010 to move downwards through the second sliding sleeve 1009, the pressing rod 1010 moves downwards to contact with the object placing plate 603, and because the force of the fifth spring 1011 is larger than that of the first spring 604, the pressing rod 1010 moves downwards to push the object placing plate 603 to move downwards, the first spring 604 is compressed, the object placing plate 603 moves downwards to drive the grooved turntable 1002 to move downwards, the grooved turntable 1002 moves downwards to drive the grooved turntable 1008 to slide downwards, the grooved turntable 1008 slides downwards to match with the grooved drum 1007, the grooved turntable 1002 is further caused to rotate, the grooved turntable 1002 rotates to push the first movable clamping plate 1004 to slide towards each other through the first contact rod 1006, the fourth spring 1005 is stretched, the first movable clamping plate 1004 slides towards each other to clamp the PCB, when the object placing plate 603 contacts with the limiting plate 605, the first movable frame 703 continues to slide downwards to drive the second sliding sleeve 1009 to slide downwards, at this time, the fifth spring 1011 is compressed, and at the same time, the test needle 5 contacts the PCB board to perform a test, after the test is completed, the first movable frame 703 slides upwards to reset and drive the second sliding sleeve 1009 to move upwards to reset, the fifth spring 1011 resets, and after the fifth spring 1011 completely resets, the second sliding sleeve 1009 moves upwards to reset, the fifth spring 1011 drives the pressing rod 1010 to move upwards to reset, the pressing rod 1010 moves upwards to disengage from the placing plate 603, the first spring 604 resets and drives the placing plate 603 to move upwards, the placing plate 603 moves upwards to drive the grooved turntable 1002 to move upwards to reset, the grooved turntable 1002 moves upwards to drive the grooved turntable 1008 to slide upwards, the grooved turntable 1008 slides upwards to cooperate with the grooved drum 1007, so that the grooved turntable 1002 is reversed, the grooved turntable 1002 pulls the first movable clamping plate 1004 to slide back to reset through the first contact rod 1006 in a reverse direction, the fourth spring resets, the first movable clamp 1004 slides back to release the PCB. The device has a simple structure, the object placing plate 603 moves downwards to drive the grooved turntable 1002 to move downwards, and then the grooved turntable 1008 slides downwards to be matched with the grooved drum 1007 to drive the grooved turntable 1002 to rotate, so that the first movable clamping plate 1004 slides in opposite directions to clamp the PCB.
Referring to fig. 2, fig. 4, fig. 18 and fig. 19, the anti-rotation device further includes an anti-rotation device 11, the anti-rotation device 11 is used for preventing the rotation rod 902 from rotating, the anti-rotation device 11 includes a contact plate 1101, a fixed clamping plate 1102, a third sliding rod 1103, a second movable clamping plate 1104, a sixth spring 1105, a second contact rod 1106, a second movable plate 1107 and a seventh spring 1108, the contact plate 1101 is symmetrically welded on the left and right sides in the housing 2, the fixed clamping plate 1102 is symmetrically welded on the back side of the two support frames 901, the third sliding rod 1103 is symmetrically arranged on the front and back side of the two contact plates 1101, a second movable clamping plate 1104 is arranged between the outer ends of the two similar third sliding rods 1103, a sixth spring 1105 is symmetrically wound around the front and back side of the inner side of the second movable clamping plate 1104, the second contact rod 1106 moves downwards to contact the contact plate 1101, the second movable plate 1107 is slidably arranged on the left and right sides of the three rotating rods 902, the second movable clamping plate 1107 is connected with the second movable clamping plate 1107 in a sliding mode, and the second movable clamping plate 1107 is connected with the outer side of the second movable clamping plate 1107 in a sliding mode.
The first movable frame 703 moves downwards to drive the second contact rod 1106 to move downwards to contact with the contact plate 1101, the second movable clamp plate 1104 moves towards each other under the action of the inclined surface of the contact plate 1101, the sixth spring 1105 is compressed along with the movement, the third sliding rod 1103 slides towards each other along with the movement of the second movable clamp plate 1104 towards each other to push the second movable clamp plate 1107 to slide towards each other to contact with the fixed clamp plate 1102, the seventh spring 1108 is compressed along with the movement of the second movable clamp plate 1107, at the moment, the second movable clamp plate 1107 is clamped between the fixed clamp plate 1102 and the second movable clamp plate 1104, because the friction force between the second movable clamp plate 1107 and the fixed clamp plate 1102 is larger, the rotating rod 902 cannot rotate due to external force in the process of moving the first movable frame 703 downwards, when the first movable frame moves upwards to reset, the first movable frame 703 moves upwards to drive the first contact rod 1006 to move upwards to reset to be in contact with the contact plate 1101, the sixth spring 1104 moves back to drive the second movable clamp plate 1104 to slide towards each other to contact with the fixed clamp plate 1102, the second movable clamp plate 1107 moves back to slide back to the second movable clamp plate 1104 away from the fixed clamp plate 1107, and the second movable clamp plate 1107 moves back to slide back to the second movable clamp plate 1107 back to move back to the movable clamp plate 1107. The device has a simple structure, the first contact rod 1006 moves downwards to be in contact with the contact plate 1101, so that the second movable clamp plate 1104 moves in opposite directions to push the second movable plate 1107 to slide in opposite directions to be in contact with the fixed clamp plate 1102, and further the friction force between the fixed clamp plate 1102 and the second movable clamp plate 1104 is increased by the second movable plate 1107, and the rotation of the rotating rod 902 due to external force in the process of moving the first movable frame 703 downwards is prevented.
It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the invention in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.
Claims (6)
1. An electrically actuated test needle device with adjustable position, comprising:
the base (1), the top of the base (1) is provided with a shell (2);
the movable door (3) is arranged on the front side of the shell (2) in a sliding manner, and the movable door (3) is arranged on the front side of the shell;
the left side and the right side of the top of the shell (2) are respectively provided with an observation lens (4) which can conveniently observe the testing condition of the PCB;
the placing component (6) is arranged at the lower part in the shell (2), and the placing component (6) capable of placing the PCB board is arranged at the lower part in the shell;
the testing assembly (7) is arranged at the lower part in the shell (2), and the testing assembly (7) capable of testing the PCB board is arranged at the lower part in the shell;
the test assembly (7) is detachably provided with the test needle (5);
the test device comprises a replacement component (8), wherein the test component (7) is provided with the replacement component (8) which is convenient for replacing the test needle (5);
the placement assembly (6) comprises:
the first guide rod (601) is symmetrically arranged at the left and right of the inner lower part of the shell (2);
the first movable plates (602) are symmetrically arranged on the two first guide rods (601) in a sliding mode, and the first movable plates (602) are arranged on the first guide rods in a sliding mode;
the object placing plates (603) are arranged among the four first movable plates (602), and the object placing plates (603) capable of placing the PCB are arranged;
a first spring (604), wherein the first spring (604) is wound between the bottom of the first movable plate (602) and the similar first guide rod (601);
the limiting plates (605) are arranged in the middle of the two first guide rods (601), and the object placing plates (603) move downwards to be in contact with the limiting plates (605);
the test assembly (7) comprises:
the middle position of the top in the shell (2) is provided with the electric push rod (701);
the left side and the right side of the inner top of the shell (2) are symmetrically provided with the second guide rod (702) in front-back mode;
the first movable frame (703) is arranged among the four second guide rods (702) in a sliding manner, and the extension end of the electric push rod (701) is connected with the top of the first movable frame (703);
three groups of chute rods (704) are uniformly arranged at intervals between the left side and the right side of the lower part of the first movable frame (703), and the two chute rods (704) are in one group;
the second movable frames (705) are arranged on each group of chute rods (704) in a sliding mode;
the upper parts of the three second movable frames (705) are respectively provided with a first sliding sleeve (706);
the lower parts of the three second movable frames (705) are respectively provided with a first sliding rod (707), the upper parts of the first sliding rods (707) are respectively connected with a similar first sliding sleeve (706) in a sliding way, and the test needles (5) are respectively arranged at the bottom ends of the first sliding rods (707) in a detachable way;
a second spring (708) is connected between the top end of the first sliding rod (707) and the upper part of the similar first sliding sleeve (706);
the top ends of the three first sliding rods (707) are respectively provided with an ejector rod (709), and the ejector rods (709) are respectively connected with the similar first sliding sleeve (706) in a sliding manner;
the pressure sensors (710) are arranged at the inner top parts of the three second movable frames (705), the pressure sensors (710) are electrically connected with the electric push rod (701), and the push rod (709) moves upwards to be in contact with the pressure sensors (710).
2. A position-adjustable electric test needle device according to claim 1, characterized in that the replacement assembly (8) comprises:
the lower parts of the three first sliding rods (707) are symmetrically provided with the second sliding rods (803) in a sliding mode;
a third movable frame (801) is arranged between the tops of two adjacent second sliding rods (803);
the inserted bars (802) are symmetrically arranged at the bottoms of the three third movable frames (801), and the inserted bars (802) are matched with the similar test needles (5);
and a third spring (804) is wound between the lower part of the second sliding rod (803) and the similar first sliding rod (707).
3. A position-adjustable motorized test needle device as claimed in claim 2, further comprising an adjustment assembly (9) for adjusting the position of the test needle (5), the adjustment assembly (9) comprising:
the support frames (901) are arranged on the left side and the right side of the first movable frame (703), and three bearings are uniformly and rotatably arranged on the two support frames (901) at intervals;
the rotating rod (902) is uniformly arranged between the left bearing and the right bearing, and the left end and the right end of the rotating rod (902) are both connected with the shell (2) in a sliding manner;
knob (903), the left and right ends of the three turning rods (902) are provided with knobs (903);
the middle parts of the three rotating rods (902) are respectively provided with a screw rod (904);
the nuts (905) are matched with the nuts (905) at the middle parts of the three screw rods (904), and the tops of the second movable frames (705) which are similar to each other at the bottoms of the nuts (905) are connected.
4. A position adjustable electric test pin device according to claim 3, further comprising a securing assembly (10) capable of clamping a PCB board, the securing assembly (10) comprising:
the support ring (1001) is arranged at the bottom of the object placing plate (603);
a grooved turntable (1002), the grooved turntable (1002) being slidably arranged on the support ring (1001);
the third guide rods (1003) are uniformly arranged in the object placing plate (603) at intervals, and the four third guide rods (1003) are respectively arranged at the front side, the rear side, the left side and the right side in the object placing plate (603);
the first movable clamping plates (1004) are arranged on the four third guide rods (1003) in a sliding mode, and the first movable clamping plates (1004) can clamp the PCB;
a fourth spring (1005), wherein the fourth spring (1005) is wound between the back side of the four first movable clamping plates (1004) and the inside of the object placing plate (603);
the bottoms of the four first movable clamping plates (1004) are respectively provided with a first contact rod (1006), and the first contact rods (1006) are respectively connected with the grooved turntable (1002) in a sliding manner;
a groove drum (1007), the middle position of the lower part in the shell (2) is provided with the groove drum (1007);
the belt pole turntable (1008), the belt pole turntable (1008) is arranged at the bottom of the belt groove turntable (1002), and the belt pole turntable (1008) is connected with the groove drum (1007) in a sliding way;
the second sliding sleeve (1009) is symmetrically arranged on the left side and the right side of the lower part of the first movable frame (703) in a front-back way;
the compression bars (1010) are arranged in the four second sliding sleeves (1009) in a sliding mode, and the compression bars (1010) move downwards to be in contact with the object placing plate (603);
and a fifth spring (1011) is connected between the top of the compression bar (1010) and the inside of the second similar sliding sleeve (1009).
5. A position adjustable electric test needle device according to claim 4, further comprising a rotation stop assembly (11) capable of preventing rotation of the rotatable lever (902), the rotation stop assembly (11) comprising:
the contact plates (1101) are symmetrically arranged on the left side and the right side in the shell (2) in a front-back mode;
the fixed clamping plates (1102) are arranged on one side, opposite to the side, of the two supporting frames (901);
a third sliding rod (1103), wherein the third sliding rod (1103) is symmetrically arranged on the front and back of the two contact plates (1101) in a sliding way;
a second movable clamping plate (1104) is arranged between the outer ends of the two similar third sliding rods (1103);
a sixth spring (1105), wherein the sixth spring (1105) is symmetrically wound around the front and back between the inner side of the second movable clamping plate (1104) and the outer side of the similar fixed clamping plate (1102);
the second contact rods (1106) are symmetrically arranged on the back sides of the two second movable clamping plates (1104), and the second contact rods (1106) move downwards to be in contact with the contact plates (1101);
the second movable plates (1107) are arranged on the left side and the right side of the three rotating rods (902) in a sliding mode, and the second movable clamping plates (1104) are in inward sliding contact with the second movable plates (1107);
and a seventh spring (1108) is wound between the inner side of the second movable plate (1107) and the outer side of the similar bearing.
6. A position-adjustable electric test needle device according to claim 1, characterized in that the front side of the lower part of the movable door (3) is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553722.6A CN114236200B (en) | 2021-12-17 | 2021-12-17 | Position-adjustable electric test needle device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111553722.6A CN114236200B (en) | 2021-12-17 | 2021-12-17 | Position-adjustable electric test needle device |
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| CN114236200A CN114236200A (en) | 2022-03-25 |
| CN114236200B true CN114236200B (en) | 2023-06-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116338438B (en) * | 2023-05-17 | 2024-01-19 | 盐城声科超声科技有限公司 | Intelligent electronic component testing equipment |
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| DE4337500A1 (en) * | 1993-11-03 | 1995-05-04 | Test Plus Electronic Gmbh | Two-part adapter device |
| CN102062789A (en) * | 2010-12-09 | 2011-05-18 | 深南电路有限公司 | PCB (Printed Circuit Board) insulation resistance testing jig |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011054260B4 (en) * | 2011-10-06 | 2020-06-18 | Ingun Prüfmittelbau Gmbh | Device and method for testing printed circuit boards |
| CN103630821B (en) * | 2012-08-20 | 2015-12-16 | 上海斐讯数据通信技术有限公司 | Testing auxiliary device |
| DE102016114143A1 (en) * | 2016-08-01 | 2018-02-01 | Endress+Hauser Flowtec Ag | Test system for checking electronic connections of components with a printed circuit board and printed circuit board |
| WO2020051828A1 (en) * | 2018-09-13 | 2020-03-19 | 太仓德纳森机电工程有限公司 | Circuit board testing device |
| CN211348541U (en) * | 2019-12-20 | 2020-08-25 | 名扬城智达科技(深圳)有限公司 | Mainboard ICT testing arrangement |
| CN212568846U (en) * | 2020-03-16 | 2021-02-19 | 深圳市富伟电子有限公司 | PCB intelligent test equipment |
| CN213210365U (en) * | 2020-09-03 | 2021-05-14 | 深圳市特瑞达电子有限公司 | Double-layer type PCB testing device |
| CN213957447U (en) * | 2020-12-17 | 2021-08-13 | 昆翌电子（深圳）有限公司 | Multifunctional efficient PCB testing jig |
| CN113156296A (en) * | 2021-03-26 | 2021-07-23 | 赣州金顺科技有限公司 | Inner layer board testing device of hard circuit board and implementation method thereof |
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2021
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4337500A1 (en) * | 1993-11-03 | 1995-05-04 | Test Plus Electronic Gmbh | Two-part adapter device |
| CN102062789A (en) * | 2010-12-09 | 2011-05-18 | 深南电路有限公司 | PCB (Printed Circuit Board) insulation resistance testing jig |
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| CN114236200A (en) | 2022-03-25 |
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