CN108017013B - Cam jacking structure of tower tool of test PCBA - Google Patents

Cam jacking structure of tower tool of test PCBA Download PDF

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Publication number
CN108017013B
CN108017013B CN201711082014.2A CN201711082014A CN108017013B CN 108017013 B CN108017013 B CN 108017013B CN 201711082014 A CN201711082014 A CN 201711082014A CN 108017013 B CN108017013 B CN 108017013B
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cam
rod
fixed block
hole
bearing
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CN108017013A (en
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罗鹏
梁强
钟飞飞
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Suzhou Qiuyeyi Machinery Co ltd
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Suzhou Qiuyeyi Machinery Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/12Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H25/00Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/08Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
    • F16H25/14Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation perpendicular to the axis of rotation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/2806Apparatus therefor, e.g. test stations, drivers, analysers, conveyors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transmission Devices (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

A cam jacking structure of a tower type jig for testing PCBA mainly comprises a motor, a rotating rod, a cam, a supporting plate, a belt pulley, a first bearing, a second bearing, a gasket and a fixed block, wherein the motor drives the belt pulley to rotate so as to drive the rotating rod and the cam to integrally rotate; due to the structural characteristics of the cam, the supporting plate can be lifted by the pushing action of the cam pulley at the tail part of the cam on the supporting plate in the periodic rotation process, and the lifting of the upper die of the tower-type jig can be easily realized in the non-standard jig manufactured according to the special requirements of customers, so that the test process is smoothly carried out.

Description

Cam jacking structure of tower tool of test PCBA
Technical Field
The invention relates to the field of printed circuit board testing, in particular to a cam jacking structure of a tower type jig for testing PCBA.
Background
Pcb (printed Circuit board), which is called printed Circuit board in chinese, is an important electronic component, is a support for electronic components, and is a carrier for electrical connection of electronic components. Pcba (printed circuit Board assembly) is a printed circuit assembly Board that is mounted on a PCB Board by SMT (Surface Mount Technology) and then subjected to DIP-mounting.
After the PCBA board is installed, performance testing is required to be carried out to ensure the use performance of the PCBA. An auxiliary device can be used in the PCBA board testing process, so that the measured product can be conveniently fixed and accurately and repeatedly positioned in a testing instrument, and the testing efficiency is improved. In the PCBA test process, a tower type jig is used, and the main structure of the tower type jig comprises an upper template, a valve bank, a power supply, a tap board, a memory module structure, an exhaust fan and the like, wherein the valve bank, the power supply, the tap board, the memory module structure and the exhaust fan are fixed on a top board. Traditional tool elevation structure action flow: the stepping motor is pressed down, the memory and the CPU are integrally descended, the control box monitors the pressing pressure and the pressing stroke (contacting with the test carrier plate), the test is completed, the rotating rod is assisted to rotate by the pressure of the bottom cylinder and is supported by the ascending block, and the total pressing assembly is ascended to the original position. Because the cylinder at the bottom of the tower type jig selects the output force of the cylinder according to the overall design of the machine, the test ascending effect of the machine is achieved. However, the non-standard jig is designed according to the customer requirements, the whole of the individual jig is large, the jacking force of the air cylinder on the market is insufficient, the lifting effect of the mechanism cannot be achieved, and therefore the test cannot be carried out.
The cam structure is a high-pair mechanism which is composed of a cam, a driven piece and a frame. The cam usually rotates continuously at a constant speed, and the driven member is designed to obtain a certain regular movement according to the use requirement. The cam mechanism can meet complex motion requirements and is widely applied to various automatic and semi-automatic mechanical devices.
Aiming at the technical problem, the invention provides a cam jacking structure of a tower type jig for testing PCBA, which mainly comprises the following components: the motor drives the belt pulley to rotate through the motor, and then the rotating rod and the cam are driven to integrally rotate; due to the structural characteristics of the cam, the supporting plate can be lifted by the pushing action of the cam pulley at the tail part of the cam on the supporting plate in the periodic rotation process, and the lifting of the upper die of the tower-type jig can be easily realized in the non-standard jig manufactured according to the special requirements of customers, so that the test process is smoothly carried out.
Disclosure of Invention
The utility model provides a cam jacking structure of tower tool of test PCBA, the essential element includes: motor 1, dwang 2, cam 3, backup pad 4, belt pulley 5, first bearing 6, second bearing 7, packing ring 8, fixed block 9, the length both ends of dwang 2 all are equipped with the middle part processing that one section cylinder structure and one end cylinder have plane recess 21, be regular hexagon cylinder between two sections cylinders, cam 3 comprises cam circle 31, cam plate 32, cam roller 33, and cam circle 31 central point processing has regular hexagon through-hole 311, and the tail end of cam plate 32 is equipped with glossy first through-hole 321, and the central point of cam roller 33 is equipped with second through-hole 331, inserts shaft-like coupling assembling in cam roller 33's first through-hole 321 and cam plate 32's second through-hole 331, makes cam roller 33 of cam 3 can roll around the rotation of center pin, be equipped with two screw through-holes 51 on belt pulley 5 and be 90 between two screw through-holes contained angle, a circular through hole is formed in the center of the first bearing 6, and a right hexagonal through hole is formed in the center of the second bearing 7; the fixing block 9 comprises a first fixing block 91 with a central hole, a second fixing block 92 with a central hole and a third fixing block 93 with a central hole, the central holes of the first fixing block 91 and the third fixing block 93 are equal to the diameter of the rod part of the first bearing 6, and the diameter of the central hole of the second fixing block 92 is equal to the diameter of the rod part of the second bearing 7; the belt pulley 5 is sleeved on a cylinder which is arranged at one end of the rotating rod 2 and is provided with a plane groove 21, a screw is screwed into two thread through holes 51 on the belt pulley 5 and is contacted with the plane groove 21 on the side surface of the cylinder at the upper end of the rotating rod 2, and the belt pulley 5 is prevented from slipping by virtue of the compression friction force between the tip part of the screw and the plane groove 21; the cylindrical parts at the two ends of the rotating rod 2 are sleeved with a first fixed block 91 and a third fixed block 93, the middle part of the rotating rod 2 is sleeved with a second fixed block 92, first bearings 6 are arranged between the first fixed block 91 and the third fixed block 93 and the rotating rod 2, and a second bearing 7 is arranged between the second fixed block 92 and the rotating rod 2; secondly, the supporting plate 4, the first fixing block 91, the second fixing block 92 and the third fixing block 93 are fixed in an upper die structure of the tower type jig, no connection relation exists between the supporting plate 4 and the cam jacking structure, but when the cam 3 rotates, the cam roller 33 just contacts with the lower end face of the supporting plate 4, and the motor 1 is connected with the belt pulley 5 through a belt.
The rotation of the motor 1 is transmitted to the belt pulley 5 through the belt by the cam jacking structure, so that the rotating rod 4 and the cam 3 are driven to rotate, and the cam roller 33 at the tail end of the cam plate 32 can prop against the supporting plate 4 to do periodic up-and-down lifting movement while the cam 3 rotates. Because the supporting plate 4 is fixed on the base plate of the upper module, the lifting of the upper module can be realized by the lifting of the supporting plate 4, so that the upper die of the tower-type jig can move upwards. For the nonstandard jig designed according to the requirements of customers, especially when the whole jig is large, the cam jacking structure can provide enough jacking force to push the mechanism to ascend, and the test can be smoothly carried out.
Preferably, in the cam jacking structure of tower tool, the central point on the upper and lower surface of second fixed block 92 puts to process has two circular step holes 921, the tip of the pole of second bearing 7 be equipped with draw-in groove 71 and with draw-in groove assorted snap ring 72, respectively inlay a packing ring 8 in two circular step holes 921, packing ring 8 and second fixed block 9 all cup joint on the pole of second bearing 7 and are located the position between draw-in groove 71 and the 7 tip of second bearing, it makes the rigidity of second fixed block 92 to imbed snap ring 72 into draw-in groove 71, prevent that second fixed block 92 from taking place the horizontal slip in the axial of dwang 7.
Preferably, in the cam jacking structure of the tower-type jig, 2 screw holes are processed on the side surface of the cam ring 31 in the cam 3, and the included angle between the 2 screw holes and the center connecting line of the cam ring 31 is 90 °. Through in with screw in screw hole and extrude the surface at dwang 2, utilize and compress tightly frictional force with cam 3 rigid fixation on dwang 2, prevent that cam 3 from taking place to slide in the axial of dwang 4, further improved simultaneously and avoided taking place to rotate a little between the two by the power of hugging closely between cam 3 and dwang 4.
Preferably, in the cam jacking structure of the tower-type jig, the rod-shaped connecting assembly is composed of a smooth round rod and a clamping ring, wherein clamping ring grooves are formed in two end parts of the smooth round rod, the smooth round rod is inserted into the through holes 321 and 331 of the cam roller 33 and the cam plate 32, and the clamping ring is clamped into the clamping ring grooves in the two end parts of the smooth round rod.
Preferably, in the cam jacking structure of the tower-type jig, the rod-shaped connecting assembly is a screw and nut assembly, wherein two ends of the screw are provided with threads, the middle of the screw is smooth, the screw is inserted into the through holes 321 and 331 of the cam roller 33 and the cam plate 32, and the nut is screwed into the thread sections at the two ends of the screw.
Description of the drawings:
the embodiments are further described with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of a lifting structure of a conventional tower-type jig;
FIG. 2 is a schematic view of a cam jacking structure of a tower jig according to the present invention;
FIG. 3 is a schematic structural view of a cam jacking structure part of the tower jig according to the present invention;
FIG. 4 is a schematic view of a bearing structure in a cam jacking structure of a tower jig according to the present invention;
fig. 5 is a schematic structural view of a rod-shaped joint assembly according to embodiment 1 of the present invention;
fig. 6 is a schematic structural view of a rod-shaped joint assembly according to embodiment 2 of the present invention;
fig. 7 is a cam structure schematic diagram of a cam jacking structure of the tower-type jig according to the invention;
description of main structural sequence numbers
1 2 21 3 31 31 1 32 32 1 33 33 1 4 5 6 7 71 72 8 9 91 92 92 1 93
Electric power Machine for working Rotating shaft Movable part Rod Flat plate Noodle Concave Trough Convex part Wheel Convex part Wheel Ring Six ingredients Corner Tong (Chinese character of 'tong') Hole(s) Convex part Wheel Board First, the A Tong (Chinese character of 'tong') Hole(s) Convex part Wheel Roller Wheel First, the II Tong (Chinese character of 'tong') Hole(s) Branch stand Support Board Leather Belt Wheel First, the A Shaft Bearing First, the II Shaft Bearing Card with a detachable cover Trough Card with a detachable cover Ring (C) Pad Ring Fixing device Stator Block First, the A Fixing device Stator Block First, the II Fixing device Stator Block Round (T-shaped) Shape of Table (Ref. Table) Step (A) Hole(s) Third fixed block
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Specific embodiment example 1:
the utility model provides a cam jacking structure of tower tool of test PCBA, the essential element includes: motor 1, dwang 2, cam 3, backup pad 4, belt pulley 5, first bearing 6, second bearing 7, packing ring 8, fixed block 9, the length both ends of dwang 2 all are equipped with the middle part processing that one section cylinder structure and one end cylinder have plane recess 21, be regular hexagon cylinder between two sections cylinders, cam 3 comprises cam circle 31, cam plate 32, cam roller 33, and cam circle 31 central point processing has regular hexagon through-hole 311, and the tail end of cam plate 32 is equipped with glossy first through-hole 321, and the central point of cam roller 33 is equipped with second through-hole 331, inserts shaft-like coupling assembling in cam roller 33, the first through-hole 321 of cam plate 32, second through-hole 331, makes cam roller 33 of cam 3 can roll around the rotation of center pin, be equipped with two screw through-holes 51 on belt pulley 5 and be 90 between two screw through-holes 51 contained angles, a circular through hole is formed in the center of the first bearing 6, and a right hexagonal through hole is formed in the center of the second bearing 7; the fixing block 9 comprises a first fixing block 91, a second fixing block 92 and a third fixing block 93 which are provided with center holes, the center holes of the first fixing block 91 and the third fixing block 93 are equal to the diameter of the rod part of the first bearing 6, and the diameter of the center hole of the second fixing block 92 is equal to the diameter of the rod part of the second bearing 7; the belt pulley 5 is sleeved on a cylinder which is arranged at one end of the rotating rod 2 and is provided with a plane groove 21, a screw is screwed into two thread through holes 51 on the belt pulley 5 and is contacted with the plane groove 21 on the side surface of the cylinder at the upper end of the rotating rod 2, and the belt pulley 5 is prevented from slipping by virtue of the compression friction force between the tip part of the screw and the plane groove 21; the cylindrical parts at the two ends of the rotating rod 2 are sleeved with a first fixed block 91 and a third fixed block 93, the middle part of the rotating rod 2 is sleeved with a second fixed block 92, first bearings 6 are arranged between the first fixed block 91 and the third fixed block 93 and the rotating rod 2, and a second bearing 7 is arranged between the second fixed block 92 and the rotating rod 2; secondly, the supporting plate 4 and the fixing block 9 are fixed in an upper die structure of the tower type jig, no connection relation exists between the supporting plate 4 and the cam jacking structure, but when the cam 3 rotates, the cam roller 33 just contacts with the lower end face of the supporting plate 4, and the motor 1 is connected with the belt pulley 5 through a belt.
The rod-shaped connecting assembly is composed of a smooth round rod and clamping rings, clamping ring grooves are formed in the two end portions of the smooth round rod, the smooth round rod is inserted into the through holes 321 and 331 of the cam roller 33 and the cam plate 32, and the clamping rings are clamped into the clamping ring grooves in the two end portions of the smooth round rod. 2 screw holes are processed on the side surface of the cam ring 31 in the cam 3, and the included angle between the 2 screw holes and the central connecting line of the cam ring 31 is 90 degrees. Through in with screw in screw hole and extrude the surface at dwang 2, utilize and compress tightly frictional force with cam 3 rigid fixation on dwang 2, prevent that cam 3 from taking place to slide in the axial of dwang 4, further improved simultaneously and avoided taking place to rotate a little between the two by the power of hugging closely between cam 3 and dwang 4.
The lifting of the upper die of the tower-type jig can be easily realized in the non-standard jig manufactured according to the special requirements of customers, so that the test process is smoothly carried out.
Specific embodiment example 2:
the utility model provides a cam jacking structure of tower tool of test PCBA, the essential element includes: motor 1, dwang 2, cam 3, backup pad 4, belt pulley 5, first bearing 6, second bearing 7, packing ring 8, fixed block 9, the length both ends of dwang 2 all are equipped with the middle part processing that one section cylinder structure and one end cylinder have plane recess 21, be regular hexagon cylinder between two sections cylinders, cam 3 comprises cam circle 31, cam plate 32, cam roller 33, and cam circle 31 central point processing has regular hexagon through-hole 311, and the tail end of cam plate 32 is equipped with glossy first through-hole 321, and the central point of cam roller 33 is equipped with second through-hole 331, inserts shaft-like coupling assembling in cam roller 33, the first through-hole 321 of cam plate 32, second through-hole 331, makes cam roller 33 of cam 3 can roll around the rotation of center pin, be equipped with two screw through-holes 51 on belt pulley 5 and be 90 between two screw through-holes 51 contained angles, a circular through hole is formed in the center of the first bearing 6, and a right hexagonal through hole is formed in the center of the second bearing 7; the fixed block 9 comprises a first fixed block 91 with a central hole, a second fixed block 92 with a central hole, and a third fixed block 93 with a central hole, wherein the central holes of the first fixed block 91 and the third fixed block 93 are equal to the diameter of the rod part of the first bearing 6, and the diameter of the central hole of the second fixed block 92 is equal to the diameter of the rod part of the second bearing 7; the belt pulley 5 is sleeved on a cylinder which is arranged at one end of the rotating rod 2 and is provided with a plane groove 21, a screw is screwed into two thread through holes 51 on the belt pulley 5 and is contacted with the plane groove 21 on the side surface of the cylinder at the upper end of the rotating rod 2, and the belt pulley 5 is prevented from slipping by virtue of the compression friction force between the tip part of the screw and the plane groove 21; the cylindrical parts at the two ends of the rotating rod 2 are sleeved with a first fixed block 91 and a third fixed block 93, the middle part of the rotating rod 2 is sleeved with a second fixed block 92, first bearings 6 are arranged between the first fixed block 91 and the third fixed block 93 and the rotating rod 2, and a second bearing 7 is arranged between the second fixed block 92 and the rotating rod 2; secondly, the supporting plate 4 and the fixing block 9 are fixed in an upper die structure of the tower type jig, no connection relation exists between the supporting plate 4 and the cam jacking structure, but when the cam 3 rotates, the cam roller 33 just contacts with the lower end face of the supporting plate 4, and the motor 1 is connected with the belt pulley 5 through a belt.
Among the cam jacking structure of tower tool, the central point on surface puts processing has two circular step holes 921 about the second fixed block 92, the tip of the pole of second bearing 7 be equipped with draw-in groove 71 and with draw-in groove assorted snap ring 72, respectively inlay a packing ring 8 in two circular step holes 921, packing ring 8 and second fixed block 9 all cup joint on the pole of second bearing 7 and are located the position between draw-in groove 71 and the 7 tip of second bearing, it makes the rigidity of second fixed block 92 to imbed snap ring 72 into draw-in groove 71, prevent that second fixed block 92 from taking place the horizontal slip in the axial of dwang 7. In the cam jacking structure of the tower-type jig, the rod-shaped connecting assembly is a screw rod and nut assembly, wherein the two end parts of the screw rod are provided with threads, the middle part of the screw rod is smooth, the screw rod is inserted into the cam roller 33 and the first through hole 321 and the second through hole 331 of the cam plate 32, and the nuts are screwed into the thread sections at the two end parts of the screw rod. 2 screw holes are processed on the side surface of the cam ring 31 in the cam 3, and the included angle between the 2 screw holes and the central connecting line of the cam ring 31 is 90 degrees. Through in with screw in screw hole and extrude the surface at dwang 2, utilize and compress tightly frictional force with cam 3 rigid fixation on dwang 2, prevent that cam 3 from taking place to slide in the axial of dwang 4, further improved simultaneously and avoided taking place to rotate a little between the two by the power of hugging closely between cam 3 and dwang 4.
The lifting of the upper die of the tower-type jig can be easily realized in the non-standard jig manufactured according to the special requirements of customers, so that the test process is smoothly carried out.
The lifting of the upper die of the tower-type jig can be easily realized in the non-standard jig manufactured according to the special requirements of customers, so that the test process is smoothly carried out.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (5)

1. The utility model provides a cam jacking structure of tower tool of test PCBA, the essential element includes: the motor, the dwang, the backup pad, the belt pulley, first bearing, the second bearing, the packing ring, the fixed block, its characterized in that: the cam is composed of a cam ring, a cam plate and a cam roller, a right hexagonal through hole is formed in the center of the cam ring, a smooth first through hole is formed in the tail end of the cam plate, a second through hole is formed in the center of the cam roller, a rod-shaped connecting assembly is sequentially inserted into the first through hole of the cam roller and the second through hole of the cam plate, the cam roller of the cam can rotate around a central shaft, two threaded through holes are formed in the belt pulley, an included angle between the two threaded through holes is 90 degrees, a circular through hole is formed in the center of the first bearing, and a right hexagonal through hole is formed in the center of the second bearing; the fixed block comprises a first fixed block provided with a central hole, a second fixed block provided with a central hole and a third fixed block provided with a central hole, the central holes of the first fixed block and the third fixed block are equal to the diameter of the rod part of the first bearing, and the diameter of the central hole of the second fixed block is equal to the diameter of the rod part of the second bearing; the belt pulley is sleeved on a cylinder with one end provided with a plane groove on the rotating rod, a screw is screwed into two thread through holes on the belt pulley and is contacted with the plane groove on the side surface of the cylinder at the upper end of the rotating rod, and the belt pulley is prevented from slipping by virtue of the compression friction force between the tip part of the screw and the plane groove; the cylindrical parts at the two ends of the rotating rod are sleeved with a first fixed block and a third fixed block, the middle part of the rotating rod is sleeved with a second fixed block, first bearings are arranged between the first fixed block and the rotating rod, and a second bearing is arranged between the second fixed block and the rotating rod; secondly, the supporting plate, the first fixing block, the second fixing block and the third fixing block are fixed in an upper die structure of the tower type jig, when the cam rotates, the cam roller just contacts with the lower end face of the supporting plate, and the motor is connected with the belt pulley through a belt.
2. The cam jacking structure of the tower-type jig for testing the PCBA as recited in claim 1, wherein two circular step holes are processed at the center positions of the upper and lower surfaces of the second fixing block, a clamping groove and a snap ring matched with the clamping groove are arranged at the end part of the rod of the second bearing, a gasket is respectively embedded in the two circular step holes, and the gasket and the second fixing block are both sleeved on the rod of the second bearing and are positioned between the clamping groove and the end part of the second bearing.
3. The cam lifting structure of the tower-type jig for testing the PCBA as recited in claim 1, wherein 2 screw holes are processed on the side surface of the cam middle cam ring, and the included angle between the 2 screw holes and the center connecting line of the cam ring is 90 °.
4. The cam jacking structure of the tower-type jig for testing the PCBA as recited in claim 1, wherein the rod-shaped connecting assembly is composed of a smooth round rod and a clamping ring, wherein clamping ring grooves are formed at two end portions of the smooth round rod, the smooth round rod is inserted into the first through hole of the cam roller and the second through hole of the cam plate, and the clamping ring is clamped into the clamping ring grooves at the two end portions of the smooth round rod.
5. The cam jacking structure of the tower-type jig for testing the PCBA as recited in claim 1, wherein the rod-shaped connecting component is a screw rod and a nut component, wherein two end parts of the screw rod are provided with threads, the middle part of the screw rod is smooth, the screw rod is sequentially inserted into the first through hole of the cam roller and the second through hole of the cam plate, and the nut is screwed into the thread sections at the two end parts of the screw rod.
CN201711082014.2A 2017-11-07 2017-11-07 Cam jacking structure of tower tool of test PCBA Active CN108017013B (en)

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CN201711082014.2A CN108017013B (en) 2017-11-07 2017-11-07 Cam jacking structure of tower tool of test PCBA

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CN108017013B true CN108017013B (en) 2020-05-15

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110244086A (en) * 2019-04-29 2019-09-17 苏州日和科技有限公司 The cam-type of liquid crystal display pcb board connector pushes mechanism for testing
CN114261611B (en) * 2021-12-30 2023-06-20 苏州秋叶义机械有限公司 Box with open-close limiting fool-proof mechanism

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201387465Y (en) * 2008-12-26 2010-01-20 比亚迪股份有限公司 PCBA test device
CN201569724U (en) * 2009-12-11 2010-09-01 厦门赛特勒电子有限公司 Test tool structure for PCBA product joined board
CN202083749U (en) * 2011-04-28 2011-12-21 马夸特开关(上海)有限公司 PCBA functional test system
CN104166085A (en) * 2014-03-19 2014-11-26 深圳市森力普电子有限公司 PCBA board testing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201387465Y (en) * 2008-12-26 2010-01-20 比亚迪股份有限公司 PCBA test device
CN201569724U (en) * 2009-12-11 2010-09-01 厦门赛特勒电子有限公司 Test tool structure for PCBA product joined board
CN202083749U (en) * 2011-04-28 2011-12-21 马夸特开关(上海)有限公司 PCBA functional test system
CN104166085A (en) * 2014-03-19 2014-11-26 深圳市森力普电子有限公司 PCBA board testing device

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