CN113359009A - Bearing needle inserting mechanism and carrier thereof - Google Patents
Bearing needle inserting mechanism and carrier thereof Download PDFInfo
- Publication number
- CN113359009A CN113359009A CN202110611462.7A CN202110611462A CN113359009A CN 113359009 A CN113359009 A CN 113359009A CN 202110611462 A CN202110611462 A CN 202110611462A CN 113359009 A CN113359009 A CN 113359009A
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- carrier body
- positioning groove
- pcb
- positioning
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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
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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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
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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
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07314—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being perpendicular to test object, e.g. bed of nails or probe with bump contacts on a rigid support
- G01R1/07328—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being perpendicular to test object, e.g. bed of nails or probe with bump contacts on a rigid support for testing printed circuit boards
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a carrier, which comprises a carrier body, a sliding rod, an elastic piece, a magnet and a pushing piece. The top of the carrier body is provided with a PCB positioning groove, a wire positioning groove, a sinking avoidance cavity and a movable cavity; the sinking avoidance cavity is positioned right in front of the PCB positioning groove, and the wire positioning groove is positioned right behind the PCB positioning groove; the movable cavity is positioned on the left side or the right side of the PCB positioning groove, the slide bar is arranged on the carrier body in a sliding mode along the left and right directions of the carrier body and can be switched between a first position and a second position in a sliding mode, and the pushing piece is positioned in the movable cavity and is assembled and connected with the slide bar; the elastic piece is arranged between the sliding rod and the carrier body, the elastic piece constantly has a tendency of driving the sliding rod and the pushing piece to slide to a second position, the magnet is assembled at the rear side cavity wall of the sinking avoidance cavity, and the pushing piece tightly presses the PCB in the PCB positioning groove when in the second position; the purposes of accurate positioning and clamping are achieved. In addition, the invention also discloses a bearing acupuncture mechanism.
Description
Technical Field
The present disclosure relates to testing apparatuses, and particularly to a needle supporting mechanism and a needle supporting carrier for a testing apparatus.
Background
With the continuous development of economy and the continuous progress of society, various material consumer goods are provided for the life of people, and electronic products are one of the material consumer goods.
As is well known, smart phones, tablet computers, notebook computers, and the like all belong to electronic products. For the smart phone, the smart phone can not be used in a mobile phone power protection board. In the production process of the mobile phone power protection board, the free end of the connecting line in the PCB board and the connecting line which are welded together can be pricked by the pricking device in the testing equipment, so that the performance test of the PCB board and the connecting line which are welded together can be met.
In order to enable the work between the welding equipment and the testing equipment to be consistent, a conveying pipeline is not required to be used, and the carrier plate with the PCB and the connecting lines is conveyed from the welding equipment to the testing equipment by the aid of the conveying pipeline.
However, in the existing carrier plate, the clamping positioning groove is arranged for clamping and positioning the PCB and the wire positioning groove is used for positioning the connecting wire, so that the manipulator and the CCD device are needed to accurately place the PCB into the clamping positioning groove, the cost is increased on one hand, and the PCB clamping positioning operation is troublesome on the other hand.
Therefore, a carrier with high clamping and positioning accuracy, low cost and simple operation and a needle supporting mechanism with the carrier are needed to overcome the above defects.
Disclosure of Invention
The invention aims to provide a carrier which is high in clamping and positioning accuracy, low in cost and simple and convenient to operate.
The invention also aims to provide the needle bearing and inserting mechanism which is high in clamping and positioning accuracy, low in cost and simple and convenient to operate.
In order to achieve the above object, the carrier of the present invention comprises a carrier body, a sliding rod, an elastic member, a magnet and a pushing piece. The top of the carrier body is provided with a PCB positioning groove for positioning a PCB, a wire positioning groove for positioning a connecting wire for welding the PCB together, a sinking avoidance cavity for sinking the top of the carrier body and a movable cavity for moving the pushing sheet, wherein the sinking avoidance cavity is communicatively positioned right in front of the PCB positioning groove, the wire positioning groove is communicatively positioned right behind the PCB positioning groove, the wire positioning groove also extends along the front-back direction of the carrier body, and the movable cavity is communicatively positioned on the left side or the right side of the PCB positioning groove; the slide rod is arranged on the carrier body in a sliding mode along the left and right direction of the carrier body and can be switched between a first position and a second position in a sliding mode, the pushing piece is located in the movable cavity and is connected with the slide rod in an assembling mode, the elastic piece is arranged between the slide rod and the carrier body, and the elastic piece constantly has the tendency of driving the slide rod and the pushing piece to move to the second position in a sliding mode; the magnet is assembled on the rear side cavity wall of the sinking avoidance cavity, and the pushing sheet compresses the PCB in the PCB positioning groove at the second position.
Preferably, the sinking avoidance cavity extends along the left and right direction of the carrier body, so that the sinking avoidance cavity extends to positions adjacent to the left side edge and the right side edge of the carrier body respectively, the PCB positioning grooves are multiple and arranged at intervals along the left and right direction of the carrier body, and each PCB positioning groove corresponds to one movable cavity, one pushing piece, two wire positioning grooves and at least one magnet.
Preferably, the slide bar is located below the pushing sheet and is arranged in the carrier body, a pushed wheel is mounted at a position of the slide bar, which is far away from the elastic piece, and an exposure space for exposing the pushed wheel is formed in the front side wall of the carrier body.
In order to achieve the above object, the present invention provides a supporting needle inserting mechanism, which comprises a mechanism frame, a sliding driver, a needle inserting module and the above carrier. The utility model discloses a wire rod constant head device, including slip support body, slip drive ware, slip driver, slip support body is followed the upper and lower direction cunning of carrier body is located the mechanism support body orders about the slip support body slides from top to bottom, the prick needle module is located directly over the carrier body and assemble in the slip support body, the prick needle module is in the slip drive ware orders about the in-process that the slip support body slided downwards is right the operation is pierced to connecting wire in the wire rod constant head tank.
Preferably, the needle inserting module comprises a first needle, a first plate, a guide member and a spring, the first needle is assembled on the sliding frame and arranged downwards, the first plate is located under the first needle, the first plate is provided with a first guide hole aligned with the first needle and an auxiliary positioning groove communicated with the first guide hole, the first guide hole is vertically penetrated through the first plate, the auxiliary positioning groove is located at the lower side of the first plate in a penetrating manner, the auxiliary positioning groove extends along the front and back direction of the carrier body, the guide member and the spring are respectively staggered with the auxiliary positioning groove and the first guide hole, the guide member is vertically penetrated through the first plate and the sliding frame, the spring is arranged between the first plate and the sliding frame, and the spring constantly has the function of driving the first plate to slide downwards relative to the sliding frame so as to slide the first needle out of the auxiliary positioning groove And the auxiliary positioning groove is in straight line butt joint with the wire positioning groove along the front-back direction of the carrier body when the first plate body is in contact with the carrier body.
Preferably, the top of the carrier body is further provided with a positioning cavity which is communicatively located right behind the wire positioning groove, the lower side of the first plate body is provided with a bump structure which protrudes downwards and is positioned in cooperation with the positioning cavity, the auxiliary positioning groove is formed in the bump structure, and the auxiliary positioning groove penetrates through the bump structure downwards.
Preferably, the pricking module further includes a first positioning pin and a second positioning pin assembled on the first plate and spaced apart from each other along the left-right direction of the carrier body, the first positioning pin and the second positioning pin respectively protrude downward from the first plate, the bump structure is located between the first positioning pin and the second positioning pin along the left-right direction of the carrier body, and the carrier body is correspondingly provided with a first positioning hole matched with the first positioning pin and a second positioning hole matched with the second positioning pin.
Preferably, the needle inserting module further includes a second needle assembled to the sliding frame and extending downward from the sliding frame, the second needle is aligned with the first needle along the front-back direction of the carrier body, the first plate further has a second guide hole aligned with the second needle, and the second guide hole penetrates the first plate vertically.
Preferably, the sliding frame body includes a sliding frame slidably connected to the mechanism frame body, a suspension frame assembled to the sliding frame, a suspension plate located right below the suspension frame, and an intermediate connection rod connected between the suspension frame and the suspension plate, the first needle is assembled to the suspension plate, the first plate is located right below the suspension plate, the spring is located between the suspension plate and the first plate, the guide is inserted into the suspension plate and the first plate, and the guide is located beside the intermediate connection rod.
Preferably, the bearing acupuncture mechanism of the invention further comprises a screw rod which is rotatably assembled on the mechanism frame body and a nut which is slidably sleeved on the screw rod, the screw rod is arranged along the up-down direction of the carrier body, the sliding frame body is fixedly connected with the nut, and the sliding driver drives the screw rod to rotate; the suspension frame and the sliding connection frame enclose an L shape together, and the sliding connection frame is stacked with the mechanism frame body along the front-back direction of the carrier body.
Compared with the prior art, before the manipulator places the PCB in the PCB positioning groove, the sliding rod and the pushing sheet slide and cut to the first position, so that the elastic part is in an energy storage state; secondly, the PCB is placed at the PCB positioning groove by the manipulator, and in the process of placing the PCB at the PCB positioning groove, the magnet assembled at the rear side cavity wall of the sinking avoidance cavity performs magnetic adsorption on the PCB placed at the PCB positioning groove, so that the PCB is quickly placed at the PCB positioning groove and is magnetically sucked tightly; the force applied to the sliding rod is loosened, the elastic piece drives the sliding rod and the pushing piece to slide to the second position, and therefore the pushing piece compresses the PCB in the PCB positioning groove when being switched to the second position, on one hand, a CCD device is avoided, and cost is reduced; on the other hand, the clamping positioning device has the advantages of high clamping positioning precision and convenience in operation.
Drawings
Fig. 1 is a schematic perspective view illustrating a structure of the carrier of the present invention pressing the PCB in the PCB positioning groove when the pushing plate is switched to the second position.
Fig. 2 is a schematic perspective view of the carrier according to the present invention when the pushing piece is switched to the first position and the pressing force on the PCB in the PCB positioning groove is released.
Fig. 3 is a schematic perspective exploded view of the carrier shown in fig. 2.
Fig. 4 is a schematic perspective exploded view of fig. 3 at another angle.
Fig. 5 is a schematic perspective view of the needle supporting mechanism of the present invention.
Fig. 6 is a schematic perspective view of the mechanism frame, the sliding driver and the pricking module of the needle supporting and pricking mechanism of the present invention.
Fig. 7 is a schematic plan view of fig. 6 projected in the direction opposite to the arrow B.
Fig. 8 is a schematic perspective view of the needle insertion module of the needle supporting mechanism of the present invention mounted on the sliding frame.
Figure 9 is a schematic plan view of the needle retention mechanism of figure 5 shown in a hidden horizontal platform and projected in the opposite direction to arrow a.
Fig. 10 is a schematic view of the needle supporting mechanism shown in fig. 9 in a state where the first plate is in positioning contact with the carrier body.
Fig. 11 is a schematic view of the needle supporting mechanism shown in fig. 9, after the first plate is blocked by the carrier body, the first needle passes through the first guiding hole and is inserted into the connecting wire constrained and limited by the auxiliary positioning groove.
Detailed Description
In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.
Referring to fig. 1 to 4, a carrier 10 of the present invention includes a carrier body 11, a sliding rod 12, an elastic member 13, a magnet 14, and a pushing piece 15. The top of the carrier body 11 is provided with a PCB positioning groove 111 for positioning the PCB 210, a wire positioning groove 112 for positioning a connecting wire 220 for welding the PCB 210 together, a sinking avoidance cavity 113 for sinking the top of the carrier body 11 and a movable cavity 114 for moving the pushing sheet 15, wherein the sinking avoidance cavity 113 is communicatively located right in front of the PCB positioning groove 111, so that the sinking avoidance cavity 113 is located right in front of the PCB positioning groove 111 and is communicated with the PCB positioning groove 111, and the state is shown in fig. 3; the wire positioning groove 112 is communicatively located right behind the PCB positioning groove 111, so that the wire positioning groove 112 is located right behind the PCB positioning groove 111 and is in communication with the PCB positioning groove 111, and the wire positioning groove 112 further extends in the front-rear direction of the carrier body 11, as shown in fig. 3; the movable cavity 114 is communicatively located at the left side of the PCB positioning slot 111, so that the movable cavity 114 is located at the left side of the PCB positioning slot 111 and is communicatively connected with the PCB positioning slot 111, as shown in fig. 3, of course, the movable cavity 114 can be communicatively located at the right side of the PCB positioning slot 111 according to actual needs, and therefore, the above description is not limited; the slide rod 12 is slidably disposed on the carrier body 11 along the left and right directions of the carrier body 11 and can be slidably switched between a first position shown in fig. 2 and a second position shown in fig. 1; the pushing sheet 15 is positioned in the movable cavity 114 and is assembled and connected with the sliding rod 12, so that the pushing sheet 15 can slide along with the sliding rod 12; the elastic member 13 is arranged between the sliding rod 12 and the carrier body 11, the elastic member 13 constantly has a tendency of driving the sliding rod 12 and the pushing sheet 15 to slide to the second position, and the pushing sheet 15 compresses the PCB 210 in the PCB positioning groove 111 when in the second position, as shown in fig. 1, so that the pushing sheet 15 keeps a state of pushing the PCB 210 in the PCB positioning groove 111 under a normal state by the elastic member 13; the magnet 14 is mounted on the rear side cavity wall 1131 of the sinking escape cavity 113 for performing a lateral magnetic attraction action on the PCB 210 placed in the PCB positioning groove 111 to prevent the PCB 210 in the PCB positioning groove 111 from moving accidentally. More specifically, the following:
as shown in fig. 1 to 3, the sinking avoidance cavity 113 extends along the left-right direction of the carrier body 11, so that the sinking avoidance cavity 113 extends to positions adjacent to the left side edge and the right side edge of the carrier body 11, respectively, and thus the sinking avoidance cavity 113 can provide a more sufficient avoidance space; the number of the PCB positioning slots 111 is four and is arranged at intervals along the left-right direction of the carrier body 11, so that the carrier 10 of the present invention can clamp and position four PCB boards 210 at a time, and of course, the number of the PCB positioning slots 111 may be one, two, three or five according to actual needs, so the above description is not limited; each PCB positioning groove 111 corresponds to one movable cavity 114, one pushing piece 15, two wire positioning grooves 112 and two magnets 14, so as to meet the requirement that one PCB 210 is welded with two connecting wires 220 together, meet the requirement that two magnets 14 are used for performing lateral magnetic attraction on one PCB 210, meet the requirement that each pushing piece 15 is used for compressing the corresponding PCB 210, and meet the requirement that the same sliding rod 12 drives all the pushing pieces 15 to slide and switch between the first position and the second position. Specifically, in fig. 3 and 4, the sliding rod 12 is located below the pushing sheet 15 and is embedded in the carrier body 11, and the sliding rod 12 is hidden by the carrier body 11, so that the carrier 10 of the present invention is more compact and more reliable in operation; a pushed wheel 16 is installed at a position of the slide bar 12 far away from the elastic member 13, an exposed space 116 exposing the pushed wheel 16 is opened on the front side wall of the carrier body 11, so that an external power device (for example, an output end of an air cylinder) can extend into the exposed space 116 and push the pushed wheel 16, thereby achieving the purpose of driving the slide bar 12 and the pushing sheet 15 to switch to the first position, and the external power device exits the exposed space 116 to lose pushing of the pushed wheel 16, so that the slide bar 12 and the pushing sheet 15 are switched to the second position under the action of the elastic member 13. For example, the elastic element 13 is a compression spring, but of course, it is selected as an extension spring according to actual needs, and thus, the invention is not limited thereto. It can be understood that the external power device extends into or withdraws from the exposed space 116 along a direction parallel to the front-back direction of the carrier body 11.
Referring to fig. 5 to 8, the supporting pricking mechanism 100 of the present invention includes a mechanism frame 20, a sliding frame 30, a sliding driver 40, a pricking module 50 and the carrier 10. The sliding frame body 30 is slidably arranged on the mechanism frame body 20 along the up-down direction of the carrier body 11, and the mechanism frame body 20 provides a supporting function and an assembling place for the sliding frame body 30; the sliding driver 40 is assembled on the mechanism frame body 20, the mechanism frame body 20 provides a supporting function and an assembling place for the sliding driver 40, and the sliding driver 40 drives the sliding frame body 30 to slide up and down so as to meet the power requirement of the sliding frame body 30 for sliding up and down; the pricking module 50 is located right above the carrier body 11, the pricking module 50 is further assembled to the sliding frame 30, so that the pricking module 50 can slide along with the sliding frame 30, and the pricking module 50 performs a pricking operation on the connecting wire 220 in the wire positioning slot 112 in a process that the sliding driver 40 drives the sliding frame 30 to slide downwards, as shown in fig. 11. Specifically, in fig. 6 to 8, the pricking module 50 includes a first pricking pin 51, a first plate 52, a guide 53 and a spring 54; the first puncture needle 51 is assembled on the sliding frame body 30 and arranged downwards, the first plate body 52 is located right below the first puncture needle 51, the first plate body 52 is provided with a first guide hole 521 aligned with the first puncture needle 51 and an auxiliary positioning groove 522 communicated with the first guide hole 521, the first guide hole 521 penetrates through the first plate body 52 from top to bottom, the auxiliary positioning groove 522 is located at the lower side of the first plate body 52 in a penetrating manner, and the auxiliary positioning groove 522 extends along the front-rear direction of the carrier body 11, and the state is shown in fig. 8; the guide 53 and the spring 54 are each offset from the auxiliary positioning groove 522 and the first guide hole 521, respectively, i.e., the guide 53 and the spring 54 are each not aligned with the auxiliary positioning groove 522 and the first guide hole 521 in a direction parallel to the up-down direction of the carrier body 11; the guide 53 is vertically inserted into the first plate 52 and the sliding frame 30 to provide a guiding function for the first plate 52 to slide relative to the sliding frame 30 by the guide 53, specifically, in fig. 6 to 8, a first end of the guide 53 is inserted into the first plate 52 and fixed with the first plate 52, a second end of the guide 53 is slidably inserted through the sliding frame 30 (specifically, the suspension plate 33 described below) in a direction parallel to the vertical direction of the carrier body 11 and is provided with a blocking structure 531 to block and cooperate with the sliding frame 30 (specifically, the suspension plate 33) by the blocking structure 531, so as to prevent the first plate 52 from accidentally falling off from the sliding frame 30 in a direction parallel to the vertical direction of the carrier body 11, of course, according to actual needs, the first end of the guide 53 can be inserted through the suspension plate 33 and fixed with the suspension plate 33, and the second end of the guide 53 is inserted through the first plate 52 and fixed with the suspension plate 33 in a direction parallel to the vertical direction of the carrier body 11 and is fixed with the second end of the first plate 53 The blocking structure 531 is provided, so the illustration of the drawing is not limited; the spring 54 is disposed between the first plate 52 and the sliding frame 30, the spring 54 constantly has a tendency to drive the first plate 52 to slide downward relative to the sliding frame 30 so as to slide the first needle 51 out of the auxiliary positioning slot 522, as shown in fig. 8, and the auxiliary positioning slot 522 is in linear butt joint with the wire positioning slot 112 along the front-rear direction of the carrier body 11 when the first plate 52 contacts with the carrier body 11; with the aid of the spring 54, the guide 53, the auxiliary positioning slot 522 of the first plate 52 and the first guiding hole 521, in the process that the sliding driver 40 drives the sliding frame body 30 to penetrate and slide downwards together with the first puncture needle 51, the first plate 52 is firstly in contact with the carrier body 11, and the state is shown in fig. 10; then, the first plate 52 overcomes the elastic force of the spring 54 by pushing the carrier body 11 (i.e. the carrier body 11 is still) to allow the first needle 51 to enter the auxiliary positioning slot 522 through the first guiding hole 521, and because the auxiliary positioning slot 522 positions and constrains the free end of the connecting wire 220 among the PCB 210 and the connecting wire 220 welded together and carried by the carrier body 11 when the first plate 52 contacts the carrier body 11, the free end of the connecting wire 220 entering the auxiliary positioning slot 522 is not bent and warped randomly due to the positioning constraint, as shown in fig. 10, so that the first needle 51 entering the auxiliary positioning slot 522 and guided by the first guiding hole 521 can directly penetrate into the free end of the connecting wire 220 positioned and constrained by the auxiliary positioning slot, as shown in fig. 11, thereby ensuring impedance consistency and improving success rate 522. More specifically, the following:
as shown in fig. 6 and 8, a guide 53 is inserted through each corner of the first plate 52 to ensure the smoothness of the sliding movement of the first plate 52 relative to the sliding frame 30; meanwhile, as shown in fig. 8, three springs 54 are arranged in a spaced manner along the left-right direction of the carrier body 11 to ensure that the elasticity of the springs 54 received by the first plate 52 is more uniform, and of course, the number of the springs 54 may be one, two, or four, but is not limited thereto, according to the actual requirement.
As shown in fig. 1 to 3, a positioning cavity 116 is further opened at the top of the carrier body 11 and is communicatively located right behind the wire positioning slot 112, so that the positioning cavity 116 is located right behind the wire positioning slot 112 and is in communication with the wire positioning slot 112; a bump structure 523 protruding downwards and matched with the positioning cavity 116 for positioning is arranged on the lower side of the first plate body 52, an auxiliary positioning groove 522 is formed on the bump structure 523, and the auxiliary positioning groove 522 penetrates through the bump structure 523 downwards; the bump structure 523 is engaged with the positioning cavity 116 to ensure the reliability of the positioning between the needle insertion module 50 and the carrier body 11, and the auxiliary positioning groove 522 is formed at the bump structure 523 to facilitate the manufacturing process of the auxiliary positioning groove 522. Specifically, in order to further improve the positioning reliability between the needle inserting module 50 and the carrier body 11, in fig. 8, the needle inserting module 50 further includes a first positioning pin 55 and a second positioning pin 56 which are assembled on the first plate 52 and spaced apart from each other along the left-right direction of the carrier body 11, the first positioning pin 55 and the second positioning pin 56 respectively protrude downward from the first plate 52, the bump structure 523 is located between the first positioning pin 55 and the second positioning pin 56 along the left-right direction of the carrier body 11, and the carrier body 11 is correspondingly provided with a first positioning hole 117 matching the first positioning pin 55 and a second positioning hole 118 matching the second positioning pin 56. Meanwhile, in fig. 6 to 8, the eight first needles 51 are arranged in a row at intervals along the left-right direction of the carrier body 11, each first needle 51 corresponds to one auxiliary positioning slot 522 and one first guiding hole 521, the four bump structures 523 are arranged in a row at intervals along the left-right direction of the carrier body 11, and each bump structure 523 is provided with two auxiliary positioning slots 522, that is, the number of any one of the first needles 51, the first guiding holes 521 and the auxiliary positioning slots 522 is twice that of the bump structures 523, so as to meet the testing requirements. It should be noted that, according to actual needs, the number of the first needles 51 may be an even number of two, four or more, and is not limited to the above; in addition, according to actual needs, the bump structure 523 on the first plate 52 can be removed, and the auxiliary positioning groove 522 is located at the lower side of the first plate 52, so the above description is not limited.
As shown in fig. 7 and 8, the needle inserting module 50 further includes a second needle 57 assembled on the sliding frame 30 and extending downward from the sliding frame 30, the second needle 57 is aligned with the first needle 51 along the front-back direction of the carrier body 11, the first board 52 is further provided with a second guiding hole 524 aligned with the second needle 57, and the second guiding hole 524 penetrates the first board 52 up and down to electrically contact the PCB 210 carried by the carrier body 11 by the second needle 57 so as to meet the testing requirement. Specifically, in fig. 8, the number of the second pins 57 is the same as the number of the first pins 51, each of the second pins 57 is aligned with a corresponding one of the first pins 51 in the front-rear direction of the carrier body 11, and since the second guide holes 524 are passed through by the second pins 57, the number of the second guide holes 524 is correspondingly the same as the number of the second pins 57. For example, the first needle 51 and the second needle 57 are probes, but not limited thereto.
As shown in fig. 6 to 8, the sliding frame body 30 includes a sliding link frame 31 slidably connected to the mechanism frame body 20, a suspension frame 32 assembled to the sliding link frame 31, a suspension plate 33 located directly below the suspension frame 32, and an intermediate connection rod 34 connected between the suspension frame 32 and the suspension plate 33; the first puncture needle 51 is assembled on the suspension plate 33, the first plate body 52 is positioned right below the suspension plate 33, the spring 54 is arranged between the suspension plate 33 and the first plate body 52, the guide piece 54 penetrates through the suspension plate 33 and the first plate body 52, and the guide piece 53 is positioned beside the middle connecting rod 34; this is designed to bias the first puncture needle 51, the first plate 52, the guide 53, the spring 54, the first positioning pin 55, and the second positioning pin 56 in the front-rear direction of the carrier body 11 with respect to the carriage 31, thereby providing a more sufficient space for the carrier body 11 to be placed. Specifically, in fig. 7, the suspension frame 32 and the slide frame 31 together enclose an "L" shape, and the slide frame 31 and the mechanism frame body 20 are stacked on each other in the front-rear direction of the carrier body 11, so that the space between the slide frame body 30 and the mechanism frame body 20 is more compact. It will be appreciated that when a second needle 57 is provided, the second needle 57 at this time is also mounted to the suspension plate 33.
As shown in fig. 5 to 7, the supporting acupuncture mechanism 100 of the present invention further includes a screw rod 60 rotatably assembled to the mechanism frame 20 and a nut 70 slidably sleeved on the screw rod 60, the screw rod 60 is disposed along the up-down direction of the carrier body 11, the sliding frame 30 is fixedly connected with the nut 70, and the sliding driver 40 drives the screw rod 60 to rotate; so that the screw nut 70 is driven to slide up and down together with the sliding frame 30 during the rotation of the screw rod 60. Specifically, in fig. 5 to 7, the sliding driver 40 is a motor, and the motor is directly assembled and connected with the screw rod 60, but the motor may drive the screw rod 60 to rotate through a belt transmission, a chain transmission, a gear transmission, or the like according to actual needs, and thus the disclosure is not limited to the drawings.
Compared with the prior art, before the manipulator places the PCB 210 in the PCB positioning slot 111, the sliding rod 12 and the pushing sheet 15 slide and cut to the first position, so that the elastic element 13 is in an energy storage state; then, the PCB 210 is placed at the PCB positioning groove 111 by the manipulator, and in the process of placing the PCB 210 at the PCB positioning groove 111, the magnet 14 assembled at the rear side cavity wall 1131 of the sinking avoidance cavity 113 performs magnetic adsorption on the PCB 210 placed at the PCB positioning groove 111, so that the PCB 210 is quickly placed at the PCB positioning groove 111 and is magnetically sucked tightly; the force applied to the sliding rod 12 is released, the elastic piece 13 drives the sliding rod 12 and the pushing piece 15 to slide to the second position, so that the pushing piece 15 presses the PCB 210 in the PCB positioning groove 111 when switching to the second position, and on one hand, a CCD device is avoided, and the cost is reduced; on the other hand, the clamping positioning device has the advantages of high clamping positioning precision and convenience in operation.
Note that the direction indicated by the arrow a in the drawing is a direction from the front to the back of the carrier body 11, the direction indicated by the arrow B in the drawing is a direction from the left to the right of the carrier body 11, and the direction indicated by the arrow C in the drawing is a direction from the top to the bottom of the carrier body 11. In addition, the wire positioning groove 112 only restricts the portion of the free end of the connecting wire 220 adjacent to the PCB 210, and the portion of the free end of the connecting wire 220 away from the PCB 210 is located outside the wire positioning groove 112, because the portion of the free end of the connecting wire 220 away from the PCB 210 cannot be sucked by the manipulator because the connecting wire 220 is clamped by the automatic wire feeding equipment when the manipulator transfers to the carrier 10, and is located outside the wire positioning groove 112 after transferring to the carrier 10, so the restraint is performed from above by the auxiliary positioning groove 522. In addition, in fig. 1 and 2, the PCB 210 includes a lying sheet 211 and a lateral sheet 212, and the lateral sheet 212 and the lying sheet 211 are integrated into a whole, so that when the PCB 210 is placed in the PCB positioning slot 111, the lying sheet 211 lies in the PCB positioning slot 111, and the lateral sheet 212 is attracted to the lateral sheet 212 by the magnet 14 mounted on the rear lateral cavity wall 1131 of the sinking avoidance cavity 113, so that the lateral sheet 212 and the rear lateral cavity wall 1131 of the sinking avoidance cavity 113 are overlapped and abutted.
The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the invention.
Claims (10)
1. A carrier is characterized by comprising a carrier body, a slide rod, an elastic piece, a magnet and a pushing sheet, wherein a PCB positioning groove for positioning a PCB, a wire positioning groove for positioning a connecting wire for welding the PCB together, a sinking avoiding cavity for making the top of the carrier body sink and a movable cavity for moving the pushing sheet are formed in the top of the carrier body, the sinking avoiding cavity is communicatively positioned right ahead of the PCB positioning groove, the wire positioning groove is communicatively positioned right behind the PCB positioning groove, the wire positioning groove further extends along the front-back direction of the carrier body, the movable cavity is communicatively positioned on the left side or the right side of the PCB positioning groove, the slide rod is slidably arranged on the carrier body along the left-right direction of the carrier body and can be slidably switched between a first position and a second position, the pushing sheet is located in the movable cavity and is in assembly connection with the sliding rod, the elastic piece is arranged between the sliding rod and the carrier body, the elastic piece constantly has a tendency of driving the sliding rod and the pushing sheet to slide to the second position, the magnet is assembled on the rear side cavity wall of the sinking avoidance cavity, and the pushing sheet compresses the PCB in the PCB positioning groove when in the second position.
2. The vehicle according to claim 1, wherein the sinking avoidance cavity extends along a left-right direction of the vehicle body, so that the sinking avoidance cavity extends to positions adjacent to a left edge and a right edge of the vehicle body, respectively, the PCB positioning slots are plural and are arranged at intervals along the left-right direction of the vehicle body, and each PCB positioning slot corresponds to one of the movable cavities, one of the push pieces, two of the wire positioning slots, and at least one of the magnets.
3. The carrier according to claim 1, wherein the slide bar is disposed under the pushing piece and is disposed inside the carrier body, a pushed wheel is mounted at a position of the slide bar away from the elastic member, and an exposed space for exposing the pushed wheel is formed on a front sidewall of the carrier body.
4. The utility model provides a bearing mechanism of pricking, includes mechanism support body, slip driver and the module of pricking, its characterized in that, bearing mechanism of pricking still includes the carrier according to any one of claims 1 to 3, the slip support body is followed the upper and lower direction cunning of carrier body is located the mechanism support body, the slip driver assemble in the mechanism support body orders about the slip support body slides from top to bottom, the module of pricking is located directly over the carrier body and assemble in the slip support body, the module of pricking is in the slip driver orders about the in-process that the slip support body slided downwards is right the operation is pierced to connecting wire in the wire rod constant head tank.
5. The bearing pricking mechanism of claim 4, wherein the pricking module comprises a first pricking pin, a first plate, a guide member and a spring, the first pricking pin is assembled on the sliding frame and arranged downward, the first plate is located right below the first pricking pin, the first plate is provided with a first guide hole aligned with the first pricking pin and an auxiliary positioning groove communicated with the first guide hole, the first guide hole penetrates the first plate from top to bottom, the auxiliary positioning groove is located at the lower side of the first plate in a penetrating manner, the auxiliary positioning groove extends along the front-back direction of the carrier body, the guide member and the spring are respectively staggered with the auxiliary positioning groove and the first guide hole, the guide member penetrates the first plate and the sliding frame from top to bottom, the spring is arranged between the first plate and the sliding frame, the spring is invariably had and orders about first plate body is relative slide the support body slides downwards so that first acupuncture roll-off supplementary constant head tank's trend, supplementary constant head tank is in first plate body with when the contact of carrier body along the fore-and-aft direction of carrier body with wire rod constant head tank straight line butt joint.
6. The mechanism of claim 5, further comprising a positioning cavity formed at the top of the carrier body and located right behind the wire positioning groove, wherein a protrusion structure protruding downward and located in cooperation with the positioning cavity is formed at the lower side of the first plate, the auxiliary positioning groove is formed in the protrusion structure, and the auxiliary positioning groove penetrates downward through the protrusion structure.
7. The support pricking mechanism of claim 6, further comprising a first positioning pin and a second positioning pin mounted on the first plate and spaced apart from each other along the left-right direction of the carrier body, wherein the first positioning pin and the second positioning pin each protrude downward from the first plate, the protrusion structure is located between the first positioning pin and the second positioning pin along the left-right direction of the carrier body, and the carrier body is correspondingly provided with a first positioning hole matching the first positioning pin and a second positioning hole matching the second positioning pin.
8. The bearing needle inserting mechanism according to claim 5, wherein the needle inserting module further comprises a second needle inserted into the sliding frame and extending downward from the sliding frame, the second needle is aligned with the first needle along the front-back direction of the carrier body, the first plate further defines a second guide hole aligned with the second needle, and the second guide hole penetrates the first plate vertically.
9. The bearing needle inserting mechanism according to claim 5, wherein the sliding frame body comprises a sliding frame slidably connected with the mechanism frame body, a suspension frame assembled on the sliding frame, a suspension plate located right below the suspension frame, and an intermediate connecting rod connected between the suspension frame and the suspension plate, the first needle is assembled on the suspension plate, the first plate body is located right below the suspension plate, the spring is located between the suspension plate and the first plate body, the guide piece penetrates through the suspension plate and the first plate body, and the guide piece is located beside the intermediate connecting rod.
10. The bearing acupuncture mechanism of claim 9, further comprising a screw rod rotatably assembled to the mechanism frame and a nut slidably fitted to the screw rod, wherein the screw rod is arranged along the up-down direction of the carrier body, the sliding frame is fixedly connected to the nut, and the sliding driver drives the screw rod to rotate; the suspension frame and the sliding connection frame enclose an L shape together, and the sliding connection frame is stacked with the mechanism frame body along the front-back direction of the carrier body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110611462.7A CN113359009B (en) | 2021-06-01 | 2021-06-01 | Bearing needle inserting mechanism and carrier thereof |
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| CN202110611462.7A CN113359009B (en) | 2021-06-01 | 2021-06-01 | Bearing needle inserting mechanism and carrier thereof |
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| CN113359009A true CN113359009A (en) | 2021-09-07 |
| CN113359009B CN113359009B (en) | 2022-07-19 |
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