CN116840741A - Testing device, testing method and production line - Google Patents
Testing device, testing method and production line Download PDFInfo
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- CN116840741A CN116840741A CN202310668219.8A CN202310668219A CN116840741A CN 116840741 A CN116840741 A CN 116840741A CN 202310668219 A CN202310668219 A CN 202310668219A CN 116840741 A CN116840741 A CN 116840741A
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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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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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
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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
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The application discloses a testing device, a testing method and a production line, wherein the testing device is used for detecting wires in a product and comprises a rack; the vision mechanism is used for determining the position information of the wire; the test mechanism comprises a driving part and an elastic sheet needle module, and the driving part drives the elastic sheet needle module to move; the shrapnel needle module comprises a shrapnel needle assembly which is movably arranged, a distance measuring assembly which is used for determining the retreating distance of the shrapnel needle assembly along a first direction, a locking assembly which is used for limiting the shrapnel needle assembly, and a first reset piece and a second reset piece which act on the shrapnel needle assembly. Thereby realize the test through shell fragment needle module and wire contact, confirm the wire condition through vision mechanism, simultaneously through drive component, range finding subassembly's assistance, thereby the first piece that resets of combination, second reset the problem that the reply product shell radian that can be fine and wire test end are scattered, reduced the effect to the damage in product and the outward appearance as far as possible when realizing the test.
Description
Technical Field
The application relates to the technical field of cantilever needle testing devices, in particular to a testing device, a testing method and a production line.
Background
In the nonstandard test industry, the test of the wires of the product can be carried out by adopting a mode of singly using or combining a plurality of conductive copper blocks, silica gel needles, probes and the like according to the length of the wires, the number of the wires, the arrangement condition and other factors.
When the wires of the test products are positioned in the products, the shell wall of the products is thin and has a certain radian, the wires are small and are distributed tightly, the test ends are scattered, and the lengths of the wires between the products are inconsistent, so that the requirements of the test cannot be well met in the existing test modes such as copper blocks, probes, silica gel needles and the like.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art. Therefore, the application provides the testing device which can well solve the problems of radian of the outer shell of the product and scattered testing ends of the lead, thereby having better testing function.
The application also provides a testing method using the testing device.
The application also provides a production line comprising the testing device.
According to an embodiment of the first aspect of the present application, a testing device for detecting wires inside a product includes:
a frame;
the visual mechanism is arranged on the rack and is used for determining the position information of the wire;
the testing mechanism is arranged on the rack and comprises a driving part and an elastic sheet needle module, and the driving part is used for driving the elastic sheet needle module to move along a first direction or a second direction; and
the elastic sheet needle module comprises a ranging component, a locking component, a first resetting piece, a second resetting piece and an elastic sheet needle component, wherein the elastic sheet needle component is movably arranged, the locking component is used for limiting the elastic sheet needle component at a preset position in the first direction, the first resetting piece acts on the elastic sheet needle component so that the elastic sheet needle component has a trend of stretching out and resetting along the first direction, and the second resetting piece acts on the elastic sheet needle component so that the elastic sheet needle component has a trend of stretching out along the second direction;
the locking assembly performs locking or loosening action on the shrapnel needle assembly based on the position information determined by the visual mechanism, and the distance measuring assembly is used for determining the distance of the shrapnel needle assembly backing along the first direction when the locking assembly performs loosening action on the shrapnel needle assembly.
The testing device according to the embodiment of the first aspect of the application has at least the following advantages: the elastic piece needle module is contacted with the lead inside the product to realize a test function, wherein the lead condition is determined through a visual mechanism aiming at the test of the small lead inside the thin-wall product, and meanwhile, the first reset piece and the second reset piece are combined with the aid of the driving part and the ranging component to solve the problem that the radian of the product shell and the test end of the lead are scattered, so that the effect of damage to the product and the appearance is reduced as much as possible during the test.
According to the testing device disclosed by the embodiment of the first aspect of the application, the distance measuring assembly comprises a laser distance measuring piece and a distance sensing block, the distance sensing block and the shrapnel needle assembly synchronously move, and the laser distance measuring piece is suitable for converting the relative distance change between the laser distance measuring piece and the distance sensing block to obtain the current position of the shrapnel needle assembly.
According to the testing device of the embodiment of the first aspect of the application, the shrapnel needle assembly comprises a plurality of shrapnel needles and a fixed block, the shrapnel needles are of an S-shaped structure and have elasticity, and the shrapnel needles are orderly arranged on the fixed block.
According to an embodiment of the first aspect of the present application, the locking assembly includes a limiting latch and a driving member, where the driving member is configured to drive the limiting latch, so that the limiting latch has a first state of locking the elastic needle assembly and a second state of being relatively separated from the elastic needle assembly.
According to the testing device disclosed by the embodiment of the first aspect of the application, the shrapnel needle module comprises a first sliding rail and a second sliding rail, the second sliding rail is arranged on the first sliding rail in a sliding way, and the shrapnel needle assembly is arranged on the second sliding rail in a sliding way, so that the shrapnel needle assembly can move along the first direction or the second direction.
According to the testing device disclosed by the embodiment of the first aspect of the application, the driving component comprises a first driving component and a second driving component, the first driving component and the second driving component are matched, the first driving component is used for driving the shrapnel needle module to move along the first direction, and the second driving component is used for driving the shrapnel needle module to move along the second direction.
According to an embodiment of the first aspect of the present application, the test device further comprises:
the carrier mechanism is arranged on the rack and is used for fixing the product;
the test mechanism further comprises a silica gel needle test module and a probe test module, the silica gel needle test module and the probe test module are arranged on the frame, and the silica gel needle test module, the probe test module and the elastic sheet needle module act respectively according to the information of the visual mechanism.
According to the testing device of the embodiment of the first aspect of the application, the visual mechanism comprises an upper visual module and a lower visual module, the upper visual module is used for confirming the position information of the lead inside the product and feeding back the position information to the silicone needle testing module, the probe testing module and the shrapnel needle module, and the lower visual module is used for being matched with the shrapnel needle module and determining the relative position relationship between the shrapnel needle module and the product.
According to a test method of an embodiment of the second aspect of the present application, a test apparatus according to an embodiment of the first aspect of the present application is used, comprising the steps of:
shooting product information through a visual mechanism, and determining the condition of a lead in the product;
setting the length from the beginning to the end of the wire as A, and setting the distance from the beginning to the specific position of the wire as C;
when C is more than A, the locking component performs locking action on the shrapnel needle component, so that the shrapnel needle component cannot move along the first direction, and the driving component drives the shrapnel needle module to test a lead according to product information shot by the visual mechanism;
c is less than or equal to A, the locking component is used for loosening the shrapnel needle component, so that the shrapnel needle component is suitable for moving along the first direction, according to the product information shot by the visual mechanism, the driving component is used for driving the shrapnel needle module to move to a position close to the product, and the implementation steps comprise:
the elastic sheet needle module gradually approaches the edge of the shell of the product from inside to outside until contacting, the contact enables the elastic sheet needle module to retract and triggers the distance measuring assembly to record distance change, the driving part drives the elastic sheet needle module to extend out and reset along the first direction and retract by a specific distance according to the distance change, and then drives the elastic sheet needle module to move along the second direction and test the lead.
According to an embodiment of the third aspect of the present application, a production line includes: the test device according to an embodiment of the first aspect of the present application.
It will be appreciated that the testing method in the embodiment of the second aspect of the present application and the production line in the embodiment of the third aspect of the present application both have the technical effects of the testing device in the embodiment of the first aspect as described above, and thus are not described in detail.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The application is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of an embodiment of the present application;
FIG. 2 is a schematic diagram showing the relative positional relationship of the wires and the product according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a connection structure between a driving component and a spring pin module according to an embodiment of the present application;
fig. 4 is an exploded view of the spring pin module according to the embodiment of the present application.
Reference numerals:
a frame 100, a carrier mechanism 110, an upper vision module 120, a lower vision module 130, a silicone needle testing module 140, and a probe testing module 150;
shrapnel needle module 200, laser distance measuring piece 211, distance sensing block 212, limit plug 221, driving piece 222, first resetting piece 230, second resetting piece 240, shrapnel needle 251, fixing block 252, first slide rail 260 and second slide rail 270;
a driving part 300, a first driving assembly 310, a second driving assembly 320;
product 400, wire 410.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the application.
In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.
In the description of the present application, a number means one or more, a number means at least two, and more than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art after combining the specific contents of the technical solutions.
Referring to fig. 1 to 4, the testing device according to the first aspect of the present application is applied to the testing of fine wires 410 inside a thin-walled product 400, and the testing device is used for detecting the wires 410 inside the product 400, and comprises a frame 100, a vision mechanism and a testing mechanism.
Wherein a vision mechanism is disposed on the housing 100 for determining positional information of the wire 410; the testing mechanism is arranged on the frame 100, and comprises a driving part 300 and a shrapnel needle module 200, wherein the driving part 300 is used for driving the shrapnel needle module 200 to move along a first direction or a second direction; and the shrapnel needle module 200 comprises a ranging component, a locking component, a first reset piece 230, a second reset piece 240 and a shrapnel needle component, wherein the shrapnel needle component is movably arranged, the locking component is used for limiting the shrapnel needle component at a preset position in a first direction, the first reset piece 230 acts on the shrapnel needle component so that the shrapnel needle component has a trend of stretching and resetting along the first direction, and the second reset piece 240 acts on the shrapnel needle component so that the shrapnel needle component has a trend of stretching along a second direction; the locking assembly performs locking action or loosening action on the shrapnel needle assembly based on the position information determined by the visual mechanism, and the distance measuring assembly is used for determining the distance of the shrapnel needle assembly retreating along the first direction when the locking assembly performs loosening action on the shrapnel needle assembly.
It should be noted that, the visual mechanism can perform visual positioning on the wire 410 of the product 400, determine the positions of the shell of the product 400 and the wire 410 respectively, and control the driving component 300 and the shrapnel needle module 200 based on the determination of the two positions, wherein the driving component 300 is used for driving the shrapnel needle module 200 to move so as to adjust the relative positional relationship between the shrapnel needle module 200 and the wire 410 and perform the conduction test, and the locking component is controlled according to different positions of the shell of the product 400 and the wire 410 so as to correspond to different testing steps. Specifically, when the inner wire 410 of the product 400 is far away from the edge of the shell of the product 400, the locking component locks the elastic sheet needle component, the elastic sheet needle component can normally perform corresponding tests without fine adjustment, when the inner wire 410 of the product 400 is near the edge of the shell of the product 400, the locking component releases the elastic sheet needle component, and the elastic sheet needle component cooperates with the first resetting piece 230 and the ranging component to achieve the effects of fine adjustment and accurate positioning, so that the problem of disorder of the radian of the shell of the product 400 and the testing end of the wire 410 can be well solved, and then the conduction test is performed. Specifically, the length from the beginning to the end of the wire 410 is a, the distance from the beginning to the end of the wire 410 is C, where the specific position is a proper position of the wire 410 at a certain distance from the edge of the housing of the product 400, if C > a represents that the wire 410 is far from the edge of the housing of the product 400, if C > a represents that the wire 410 is near to the edge of the housing of the product 400, and the mode of driving the spring pin assembly is switched according to the distance to execute the test actions of different modes.
Referring to fig. 1 to 4, in the testing device according to the first embodiment of the present application, the elastic needle module 200 contacts with the conductive wire 410 inside the product 400 to realize a testing function, wherein for testing the thin conductive wire 410 inside the thin-walled product 400, the condition of the conductive wire 410 is determined by the visual mechanism, and meanwhile, the first reset member 230 and the second reset member 240 are combined with the assistance of the driving member 300 and the ranging assembly, so that the problem of radian of the outer shell of the product 400 and scattering of the testing end of the conductive wire 410 can be well solved, and the effect of damaging the product 400 and the appearance is reduced as much as possible during the testing. Specifically, the first reset element 230 and the second reset element 240 not only can enable the shrapnel needle assembly to have a reset function, but also can avoid damaging the lead 410 during testing, wherein the first reset element 230 and the second reset element 240 can be springs.
In some embodiments of the present application, the distance measuring assembly includes a laser distance measuring element 211 and a distance sensing block 212, the distance sensing block 212 and the shrapnel needle assembly are synchronously movable, and the laser distance measuring element 211 is adapted to convert the relative distance change between the distance sensing block 212 and the laser distance measuring element to obtain the current position of the shrapnel needle assembly. It can be understood that the shrapnel needle module 200 is driven by the driving component 300 to perform the slow displacement on the X-axis until the shrapnel needle module touches the product 400 shell and receives the opposite external force action on the X-axis direction, the shrapnel needle module will perform the displacement on the X-axis direction, so that the distance between the distance sensing block 212 and the laser distance measuring piece 211 becomes larger, and the sensor recognizes the change of the distance to record the current position, thereby avoiding the edge of the product 400 shell and performing further movement. Specifically, the laser ranging element 211 is a laser range finder.
In some embodiments of the present application, the shrapnel needle assembly includes a plurality of shrapnel needles 251 and a fixed block 252, the shrapnel needles 251 are S-shaped and elastic, and each shrapnel needle 251 is orderly arranged on the fixed block 252. It can be understood that the S-shaped structure of the shrapnel needle 251 makes it have a certain elasticity, and after decompression, the original structure shape is restored, and by utilizing this characteristic, a plurality of shrapnel needles 251 are orderly arranged and placed in the fixed copper block, so that the shrapnel needle assembly is manufactured, and the problems of radian of the outer shell of the product 400 and scattered testing ends of the lead 410 can be well solved.
In some embodiments of the present application, the locking assembly includes a limit plug 221 and a driving member 222, wherein the driving member 222 is used for driving the limit plug 221, so that the limit plug 221 has a first state of locking the shrapnel needle assembly and a second state of being separated from the shrapnel needle assembly. It can be understood that the limiting pin 221 is driven by the driving member 222 to switch states, and when the limiting pin 221 extends, the spring pin assembly can not move in the X-axis direction, so as to switch test modes. Specifically, the driving member 222 may be a cylinder.
In some embodiments of the present application, the shrapnel needle module 200 includes a first slide rail 260 and a second slide rail 270, the second slide rail 270 is slidably disposed on the first slide rail 260, and the shrapnel needle assembly is slidably disposed on the second slide rail 270, so that the shrapnel needle assembly can move along the first direction or the second direction. Further, the driving component 300 includes a first driving component 310 and a second driving component 320, where the first driving component 310 and the second driving component 320 are cooperatively disposed, the first driving component 310 is used for driving the shrapnel needle module 200 to move along a first direction, and the second driving component 320 is used for driving the shrapnel needle module 200 to move along a second direction.
It will be appreciated that the first slide rail 260 extends in a first direction, the second slide rail 270 extends in a second direction, and the spring pin assembly can be driven by the driving member 300 to move arbitrarily in a plane defined by the first slide rail 260 and the second slide rail 270. More specifically, the first direction is the X-axis direction, and the second direction is the Z-axis direction, so that the movable path is conveniently set, and the movable mode of the shrapnel needle assembly is optimally controlled. It should be noted that, the first driving assembly 310 and the second driving assembly 320 may be a common screw-nut component and a cylinder sliding rail component, and the first driving assembly 310 and the second driving assembly 320 are preferably electric linear modules, so that the accuracy of driving the spring needle assembly can be improved through the linear modules.
In some embodiments of the present application, the testing device further includes a carrier mechanism 110, the carrier mechanism 110 is disposed on the rack 100, and the carrier mechanism 110 is used for fixing the product 400; the testing mechanism further comprises a silicone needle testing module 140 and a probe testing module 150, the silicone needle testing module 140 and the probe testing module 150 are arranged on the frame 100, and the silicone needle testing module 140, the probe testing module 150 and the elastic piece needle module 200 act respectively according to information of the vision mechanism. It can be understood that, during testing, the product 400 is placed into the carrier mechanism 110 to be fixed, after the testing is completed, each testing module is reset, the carrier mechanism 110 is withdrawn, and the product 400 is taken out, wherein, in order to enrich the testing functions of the testing device, at least one of the probe testing module 150 and the silicone needle testing module 140 simultaneously performs corresponding testing on the corresponding testing part of the product 400 while testing the spring needle module 200, thereby improving the production beat.
In some embodiments of the present application, the vision mechanism includes an upper vision module 120 and a lower vision module 130, the upper vision module 120 is used for confirming the position information of the conductive wires 410 inside the product 400 and feeding back to the silicone needle testing module 140, the probe testing module 150 and the shrapnel needle module 200, and the lower vision module 130 is used for cooperating with the shrapnel needle module 200 and determining the relative positional relationship between the shrapnel needle module 200 and the product 400. It can be understood that the specific position of the shrapnel needle module 200 can be determined by the test of the shrapnel needle module 200 assisted by the lower vision module 130, so that the control precision is improved to reduce the damage to the product 400 and the appearance as much as possible, the position information of the lead 410 inside the product 400 can be determined by the upper vision module 120 and uploaded to the control end, and the control end further controls the silica gel needle test module 140, the probe test module 150 and the shrapnel needle module 200 to perform corresponding tests on the corresponding test positions of the product 400 according to the information.
Referring to fig. 1 to 4, a test method according to an embodiment of the second aspect of the present application may be a method for using the test apparatus according to the embodiment of the first aspect of the present application, the test method including the steps of:
shooting the information of the product 400 through a visual mechanism, and determining the condition of the lead 410 in the product 400;
setting the length from the beginning to the end of the wire 410 as A, and setting the distance from the beginning to the specific position of the wire 410 as C;
when C is more than A, the locking component locks the elastic sheet needle component, so that the elastic sheet needle component cannot move along the first direction, and the driving component 300 drives the elastic sheet needle module 200 to test the lead 410 according to the product 400 information shot by the visual mechanism;
when C is less than or equal to a, the locking assembly releases the elastic needle assembly, so that the elastic needle assembly is suitable for moving along the first direction, and according to the product 400 information shot by the visual mechanism, the driving component 300 drives the elastic needle module 200 to move to a position close to the product 400, and the implementation steps include:
the shrapnel needle module 200 gradually approaches the edge of the shell of the product 400 from inside to outside along a first direction until contacting, the contact enables the shrapnel needle module 200 to retract and triggers the distance measuring assembly to record the distance change, the driving part 300 drives the shrapnel needle module 200 to extend and reset along the first direction and retract by a specific distance according to the distance change, and then drives the shrapnel needle module 200 to move along a second direction and test the lead 410.
It should be noted that the specific workflow of positioning and testing includes:
after the product 400 is placed in the carrier mechanism 110 and the code scanning gun scans the code of the product 400, the start button is pressed, the lower visual module 130 confirms the position of the spring plate needle module 200, then the carrier mechanism 110 enters the testing position, the upper visual module 120 takes images to confirm the condition of the internal lead 410 of the product 400, and if the internal lead 410 of the product 400 is far away from the edge of the shell of the product 400, namely C is larger than A, the first scheme is used for testing: the driving piece 222 of the shrapnel needle module 200 acts, the limit plug pin 221 stretches out along with the action, so that the shrapnel needle module cannot move upwards along the X-axis direction of the first slide rail 260, then the shrapnel needle module 200 is sent to the testing end of the lead 410 of the product 400 for testing through the first driving component 310 and the second driving component 320 according to the information of the product 400 shot by the upper visual module 120, meanwhile, the probe testing module 150 and the silica gel needle testing module 140 correspondingly test the corresponding testing part of the product 400, after the testing is finished, each testing module is reset, the carrier mechanism 110 of the product 400 is withdrawn, and the product 400 is taken out;
if the upper vision module 120 takes an image to confirm that the inner lead 410 of the product 400 is near the edge of the outer shell of the product 400, i.e. C is less than or equal to A, the test is performed by the second scheme: the driving piece 222 of the shrapnel needle module 200 can not act, the limiting plug pin 221 can not extend, after the shrapnel needle module 200 is sent to a position with a certain distance from the edge of the shell of the product 400 through the second driving component 320 of the first driving component 310, the first driving component 310 enables the shrapnel needle module 200 to be gradually close to the edge of the shell of the product 400, when the sensor detection distance of the laser range finder changes, the first driving component 310 stops moving, the sensor records the current position, the sensor returns by 0.05mm, the second driving component 320 moves downwards to enable the shrapnel needle module 200 to perform the needle insertion test, meanwhile, the probe test module 150 and the silica gel needle test module 140 perform corresponding tests on the corresponding test position of the product 400, after the test is completed, each test module returns, the carrier mechanism 110 of the product 400 exits, and the product 400 is taken out.
It can be appreciated that, in the testing of the mechanism, the second reset member 240 and the second slide rail 270 can enable the elastic pin 251 to perform displacement in the Z-axis direction after touching the testing end of the conductive wire 410 of the product 400, and the second reset member 240 can prevent the elastic pin module 200 from damaging the product 400 during the downward movement. After the test is completed, the first driving assembly 310 and the second driving assembly 320 are orderly reset, and the first reset element 230 and the second reset element 240 can make the elastic pin 251 module return to the initial positions.
Referring to fig. 1 to 4, the production line according to the third embodiment of the present application may be a production line for testing the conductive wires 410 of the product 400, and the production line includes the testing device according to the first embodiment of the present application, which is capable of being applied to testing the fine conductive wires 410 inside the thin-walled product 400, and well solving the problem of the radian of the outer shell of the product 400 and the scattered testing ends of the conductive wires 410 during testing, thereby reducing damage to the product 400 and the appearance as much as possible, and ensuring the testing quality and efficiency of the production line.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The embodiments of the present application have been described in detail with reference to the accompanying drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present application.
Claims (10)
1. A test device for wire inspection within a product, comprising:
a frame;
the visual mechanism is arranged on the rack and is used for determining the position information of the wire;
the testing mechanism is arranged on the rack and comprises a driving part and an elastic sheet needle module, and the driving part is used for driving the elastic sheet needle module to move along a first direction or a second direction; and
the elastic sheet needle module comprises a ranging component, a locking component, a first resetting piece, a second resetting piece and an elastic sheet needle component, wherein the elastic sheet needle component is movably arranged, the locking component is used for limiting the elastic sheet needle component at a preset position in the first direction, the first resetting piece acts on the elastic sheet needle component so that the elastic sheet needle component has a trend of stretching out and resetting along the first direction, and the second resetting piece acts on the elastic sheet needle component so that the elastic sheet needle component has a trend of stretching out along the second direction;
the locking assembly performs locking or loosening action on the shrapnel needle assembly based on the position information determined by the visual mechanism, and the distance measuring assembly is used for determining the distance of the shrapnel needle assembly backing along the first direction when the locking assembly performs loosening action on the shrapnel needle assembly.
2. The test device of claim 1, wherein: the distance measuring assembly comprises a laser distance measuring piece and a distance sensing block, the distance sensing block and the shrapnel needle assembly move synchronously, and the laser distance measuring piece is suitable for converting relative distance change between the laser distance measuring piece and the distance sensing block to obtain the current position of the shrapnel needle assembly.
3. The test device according to claim 1 or 2, wherein: the elastic sheet needle assembly comprises a plurality of elastic sheet needles and a fixed block, wherein the elastic sheet needles are of an S-shaped structure and have elasticity, and the elastic sheet needles are orderly arranged on the fixed block.
4. The test device of claim 1, wherein: the locking assembly comprises a limiting bolt and a driving piece, wherein the driving piece is used for driving the limiting bolt, so that the limiting bolt is in a first state of locking the elastic piece needle assembly and a second state of being separated from the elastic piece needle assembly relatively.
5. The test device of claim 1, wherein: the elastic sheet needle module comprises a first sliding rail and a second sliding rail, the second sliding rail is arranged on the first sliding rail in a sliding mode, and the elastic sheet needle assembly is arranged on the second sliding rail in a sliding mode, so that the elastic sheet needle assembly can move along the first direction or the second direction.
6. The test device of claim 1 or 5, wherein: the driving component comprises a first driving component and a second driving component, the first driving component and the second driving component are matched, the first driving component is used for driving the elastic sheet needle module to move along the first direction, and the second driving component is used for driving the elastic sheet needle module to move along the second direction.
7. The test device of claim 1, wherein: the test device further includes:
the carrier mechanism is arranged on the rack and is used for fixing the product;
the test mechanism further comprises a silica gel needle test module and a probe test module, the silica gel needle test module and the probe test module are arranged on the frame, and the silica gel needle test module, the probe test module and the elastic sheet needle module act respectively according to the information of the visual mechanism.
8. The test device of claim 7, wherein: the visual mechanism comprises an upper visual module and a lower visual module, wherein the upper visual module is used for confirming the wire position information inside a product and feeding back the wire position information to the silica gel needle test module, the probe test module and the shrapnel needle module, and the lower visual module is used for being matched with the shrapnel needle module to set and determine the relative position relation between the shrapnel needle module and the product.
9. A test method, characterized in that a test device according to any one of claims 1 to 8 is used, comprising the steps of:
shooting product information through a visual mechanism, and determining the condition of a lead in the product;
setting the length from the beginning to the end of the wire as A, and setting the distance from the beginning to the specific position of the wire as C;
when C is more than A, the locking component performs locking action on the shrapnel needle component, so that the shrapnel needle component cannot move along the first direction, and the driving component drives the shrapnel needle module to test a lead according to product information shot by the visual mechanism;
when C is less than or equal to A, the locking component releases the elastic sheet needle component, so that the elastic sheet needle component is suitable for moving along the first direction, according to product information shot by the visual mechanism, the driving component drives the elastic sheet needle component to move to a position close to a product, then the elastic sheet needle component gradually approaches the edge of a shell of the product along the first direction from inside to outside until contacting, the contact enables the elastic sheet needle component to retract and triggers the distance measuring component to record distance change, and the driving component drives the elastic sheet needle component to extend, reset and retract along the first direction by a specific distance according to the distance change, and then drives the elastic sheet needle component to move along the second direction and test a lead.
10. A production line, comprising: a test device as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310668219.8A CN116840741A (en) | 2023-06-06 | 2023-06-06 | Testing device, testing method and production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310668219.8A CN116840741A (en) | 2023-06-06 | 2023-06-06 | Testing device, testing method and production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116840741A true CN116840741A (en) | 2023-10-03 |
Family
ID=88171564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310668219.8A Pending CN116840741A (en) | 2023-06-06 | 2023-06-06 | Testing device, testing method and production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116840741A (en) |
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2023
- 2023-06-06 CN CN202310668219.8A patent/CN116840741A/en active Pending
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