CN107611064A - A kind of device that post technique is planted for copper post grid array interconnection devices - Google Patents
A kind of device that post technique is planted for copper post grid array interconnection devices Download PDFInfo
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- CN107611064A CN107611064A CN201710765590.0A CN201710765590A CN107611064A CN 107611064 A CN107611064 A CN 107611064A CN 201710765590 A CN201710765590 A CN 201710765590A CN 107611064 A CN107611064 A CN 107611064A
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- drill chuck
- copper post
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Abstract
A kind of device that post technique is planted for copper post grid array interconnection devices, it is related to a column with cultivations of flower or grass process unit, and in particular to a kind of device that post technique is planted for copper post grid array interconnection devices.The present invention increases fabrication cycles and cost to solve the problems, such as that the plant column method welding column of existing plant column device and its use is easily scraped off, welding column is difficult to high-precision centering and positioning, different size device need to customize different moulds.The present invention includes drill chuck translational motion mechanism, drill chuck rotational motion component, objective table component and feeding material component, the drill chuck rotational motion component is arranged in the drill chuck translational motion mechanism, the drill chuck rotational motion component is arranged on the top of the objective table component, and the feeding material component is arranged on the side of the drill chuck rotational motion component.The invention belongs to electronics field.
Description
Technical field
The present invention relates to a column with cultivations of flower or grass process unit, and in particular to one kind is used for copper post grid array interconnection devices and plants post technique
Device, belong to electronics field.
Background technology
CCGA interconnection refers to set the welding column interconnection of array arrangement on chip carrier substrate, to realize chip
Mechanical connection and electrical connection between upper integrated circuit and extraneous part.The characteristics of interconnection form be interconnection density it is big, can
By property height.In the CCGA interconnection devices originally developed, the material of the welding column of array arrangement is high lead solder, the pricker
Stock column both ends are by means respectively of on the pad of array arrangement on soft solder soldering connection to chip carrier substrate and printed circuit board (PCB).
In recent years people begin attempt to the material of the welding column of array arrangement being adjusted to mechanical property and the more preferable fine copper welding column of electric conductivity, claim
It is interconnected for Ceramic copper column gate array.The plant post technique of solder post or copper post is the crucial manufacture of CCGA interconnection devices
Technique, the quality for planting post directly determine device lifetime.
Existing plant column device and its plant post principle at present, it is that array arrangement is provided with using ad-hoc location, has one mostly
The mould in the hole of depthkeeping degree and fixation clip thereon are come the centering of welding column before being welded and in welding process, relative position
Fixed and plant post；Welding column is put into die hole one by one before weldering, and adjustment pressing plate fixes welding column with after mould relative position, passing through transmission
Band, which is delivered into reflow machine, heats and realizes welding column one end and the connection of pad on substrate, and pressing plate and positioning are dismantled after cooling
Mould, complete the positioning of welding column and plant post process.
Such plants column operation, easy scratch when welding column is put into mould and postwelding mould release before weldering, scrapes curved welding column；Together
When, be put into welding column, dismounting mould need to leave certain gap between welding column and die hole, the presence in the gap causes diameter very
The perpendicularity of thin welding column and centering and positioning precision are difficult to reach higher standard.Simultaneously as different size device welding column
Quantity, spacing, the parameter such as diameter it is different, therefore the device of the every kind of specification of plant column method must customize one set of die, this
Cost of manufacture is greatly increased, is unsuitable for multi items, multiple batches of production.The encirclement of solder joint surrounding mould in other welding process,
Barrier directly affects heat from heat source and is effectively passed to welding position, while increasing welding difficulty, also easily buries moistening badness etc.
Weld defect hidden danger.
The content of the invention
To solve, the plant column method welding column of existing plant column device and its use is easily scraped off the present invention, welding column is difficult to height
Precision centering and positioning, different size device need to customize the problem of different mould increase fabrication cycles and cost, and then propose one
Kind is used for the device that copper post grid array interconnection devices plant post technique.
The present invention adopts the technical scheme that to solve the above problems：The present invention includes drill chuck translational motion mechanism, bored
Chuck rotational motion component, objective table component and feeding material component, the drill chuck rotational motion component are arranged on the drill chuck
In translational motion mechanism, the drill chuck rotational motion component is arranged on the top of the objective table component, the feeding material component
It is arranged on the side of the drill chuck rotational motion component.
Being automatically separated of single copper post, the brazing flux of copper post termination coating and continuous automatic defeated are realized by the feeding material component
Send action of the copper post to specified location；Pass through drill chuck translational motion mechanism, drill chuck rotational motion component and objective table component
Ordered movement realize the clamping action of copper post of specified location, drill chuck clamping copper post and objective table upper substrate pad essence
The rotating down pressing of true centering action and copper post pierces the plant post action on pad in solder.
The beneficial effects of the invention are as follows：
1st, the present invention plants the feeding material component of column device, except can continuously realize single copper post from being automatically separated in hopper and
Outside the action of feeding, it can also realize that the brazing flux of copper post plant styletable coats automatically, be given birth to beneficial to the high-efficiency automatic streamline of encapsulation
Production.
2nd, the present invention can pass through the loading of drill chuck translational motion mechanism, drill chuck rotational motion component and mounted board
The action of platform component, continuously realize single copper post and pad centering positioning and then above pad rotating down pressing pierces
Mode on pad in solder plants post automatically.It is of the invention compared with the plant column method for planting column device and its use existing at present
The automatic assembly line production of encapsulation can not only be realized by planting column device, can also be solved existing plant post technique welding column and be difficult to precise alignment
The problem of positioning, plant post position degree is good, and device lifetime improves.
3rd, the present invention plant column device drill chuck clamping copper post rotating speed, plant the parameter such as post depth and feed speed from
Dynamic control so that the plant column parameter of each welding column is consistent, and the coplanarity of array welding column can be guaranteed, with prior art
Compare, be more conducive to realize high quality interconnection and interconnection efficiency.
4th, automatic plant column device of the invention, planting need not customize and using particular manufacturing craft, no different size during post
Device need to customize the problem of different moulds, fabrication cycle and cost increase, compared with prior art, suitable for multi items, multiple batches of
Production.Meanwhile also without the easy scratch of welding column is caused because of postwelding mould release the problem of.
5th, present invention is particularly suitable for the plant post of ceramics/plastics copper post grid array interconnection devices copper post.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the top view of feeding material component；
Fig. 3 is the side view of feeding material component；
Fig. 4 is drill chuck translational motion mechanism and drill chuck rotational motion component structure diagram；
Fig. 5 is the structural representation of objective table component.
Fig. 6 is the structural representation of drill chuck
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1 to Fig. 5, one kind described in present embodiment is used for copper post
The device that grid array interconnection devices plant post technique includes drill chuck translational motion mechanism, drill chuck rotational motion component, objective table
Component and feeding material component, the drill chuck rotational motion component are arranged in the drill chuck translational motion mechanism, the drill point
Head rotational motion component is arranged on the top of the objective table component, and the feeding material component is arranged on the drill chuck rotational motion
The side of component.By the feeding material component realize being automatically separated of single copper post, the coating of the brazing flux of copper post termination and it is continuous from
Action of the dynamic conveying copper post to specified location；Pass through drill chuck translational motion mechanism, drill chuck rotational motion component and objective table
The ordered movement of component realizes clamping action, the copper post of drill chuck clamping and the objective table upper substrate pad of the copper post of specified location
Precise alignment action and copper post rotating down pressing pierce on pad in solder plant post action.
Embodiment two：Illustrate present embodiment with reference to Fig. 4, one kind described in present embodiment is used for copper post grid array
The drill chuck rotational motion component that interconnection devices plant the device of post technique includes horizontal connecting plate 24, digit control motor 25, motor
Tensioning plate 26, driving wheel 27, driven pulley 28, conveyer belt 29 and rotary shaft and drill chuck 30, digit control motor 25 pass through motor
Tight plate 26 is arranged on horizontal connecting plate 24, and driving wheel 27 is sleeved in the rotary shaft of digit control motor 25, and driven pulley 28 is set with
The upper end of rotary shaft 30 where drill chuck, driving wheel 27 are connected by conveyer belt 29 with driven pulley 28.
The digit control motor 25 drives the driving wheel 27 to rotate, and the driving wheel 27 is driven by the conveyer belt 29
The driven pulley 28 rotates, and the driven pulley 28 drives the rotary shaft and drill chuck 30 to rotate, and operates and can be achieved more than
The rotary motion of the rotary shaft and drill chuck 30 using Z as axle.
As shown in fig. 6, the action of clamping and release of the plant post part drill chuck 30 to copper post 5, is by the brill
The rotation of chuck shell 43 drives the drill chuck body 42 to rotate, drive three clamping jaws 41 to rotate, drive the promotion
Nut 39 rotates, and the promotion nut 39 of the threaded connection causes promotion nut 39 relative with the relative rotation of lead-screw 44
Lead-screw 44 axially upwards or moves downward, and the promotion nut 39 moves downward can promote three clamping jaws 41 in institute
State V-arrangement acrosome 40, it is described promote nut 39 in guide rail and the through hole of drill chuck body 42 common limitation under gradient reduce,
Clamping jaw 41 unclamps；On the contrary, when the promotion nut 39 promotes three clamping jaws 41 in institute with respect to the upward athletic meeting of lead-screw
State V-arrangement acrosome 40, it is described promote nut 39 in guide rail and the through hole of drill chuck body 42 common limitation under gradient increase,
Clamping jaw 41 closes；The rotation of the drill chuck shell 43 can manually or numerical control program control realize, so as to realize copper post
Clamping and release action, the concrete structure of drill chuck is current known technology.Other compositions and annexation and specific implementation
Mode one is identical.
Embodiment three：Illustrate present embodiment with reference to Fig. 4, one kind described in present embodiment is used for copper post grid array
The drill chuck translational motion mechanism that interconnection devices plant the device of post technique includes standing to sole plate 11, X-direction exercise group
Part and Z-direction moving parts, the X-direction moving parts include X to line slideway 12, X to rack 13, X to motion gear 14,
Digit control motor 15, X to moving slide block 16 and are stood to connecting plate 17, X to line slideway 12 and X to rack 13 from top to bottom successively
Side by side parallel is arranged on and stood on sole plate 11, stands to connecting plate 17 and is slided by X to moving slide block 16 and X to line slideway 12
Dynamic connection, digit control motor 15 are arranged on and stood on connecting plate 17, and X is sleeved on the rotation of digit control motor 15 to motion gear 14
On axle, X engages to motion gear 14 with X to rack 13；The Z-direction moving parts are arranged on and stood on connecting plate 17.
The digit control motor 15 drives the X to be rotated to motion gear 14 and by the X to motion gear 14 and institute
The engagement for stating X to rack 13 is X to horizontal movement, the X to moving slide block 16 the X on line slideway 12 with institute
State to stand and be X together to connecting plate 17 and digit control motor 15 and drive described stand to fortune to horizontal movement, described stand to connecting plate 17
Dynamic flat board 21 and the horizontal connecting plate 24 are X to horizontal movement together, are operated more than and the drill chuck 30 can be achieved in X
Horizontal movement on direction.Other compositions and annexation are identical with embodiment one.
Embodiment four：Illustrate present embodiment with reference to Fig. 4, one kind described in present embodiment is used for copper post grid array
The drill chuck translational motion mechanism that interconnection devices plant the device of post technique includes standing to sole plate 11, X-direction moving parts and Z
Direction moving parts, the Z-direction moving parts include Z-direction line slideway 18, Z-direction rack 19, Z-direction moving slide block 20, stand to
Exercise stress 21, digit control motor 22 and Z-direction motion gear 23.Z-direction line slideway 18, the side by side parallel of Z-direction rack 19 are arranged on
Stand on connecting plate 17, and the center line of Z-direction line slideway 18 along its length and X-direction line slideway 12 are along its length
Central axis, stand to exercise stress 21 and be slidably connected by Z-direction moving slide block 20 and Z-direction line slideway 18, digit control motor
22 installed in being stood on exercise stress 21, and Z-direction motion gear 23 is sleeved in the rotary shaft of digit control motor 22, Z-direction motion tooth
Wheel 23 is engaged with Z-direction rack 19, and horizontal connecting plate 24 is connected with standing to the lower end of exercise stress 21.The digit control motor 22 drives
Dynamic Z-direction motion gear 23 rotates and does fortune up and down by the engagement of Z-direction motion gear 23 and the Z-direction rack 19
Dynamic, the Z-direction moving slide block 20 described is stood to exercise stress 21 and described on the Z-direction line slideway 18 with what is be fixedly connected
Digit control motor 22 moves up and down together；Described stand to exercise stress 21 drives the horizontal connecting plate 24 to move up and down, and leads to
The up and down motion of the drill chuck 30 in z-direction can be realized by crossing aforesaid operations.Other compositions and annexation and specific implementation
Mode one or three is identical.
Embodiment five：Illustrate present embodiment with reference to Fig. 5, one kind described in present embodiment is used for copper post grid array
The objective table component that interconnection devices plant the device of post technique includes 31, two Y-direction line slideways 32 of substrate, Y-direction rack 33, two
Y-direction moving slide block 34, horizontal table 35, digit control motor 36, Y-direction motion gear 37 and two objective tables 38, two Y-directions are straight
The side by side parallel of line guide rail 32 is arranged on the upper surface of substrate 31, and the lower surface of horizontal table 35 is slided by two Y-direction motions
Block 34 is slidably connected with two Y-direction line slideways 32, and Y-direction rack 33 is arranged between two Y-direction line slideways 32, and Y-direction tooth
The center line of bar 33 along its length and the centerline parallel of Y-direction line slideway 32 along its length, digit control motor 36 are installed
On horizontal table 35, Y-direction motion gear 37 is sleeved in the rotary shaft of digit control motor 36, Y-direction motion gear 37 and Y-direction
Rack 33 is engaged, and two objective tables 38 are arranged on the upper surface of horizontal table 35.
The digit control motor 36 drives the Y-direction motion gear 37 to rotate and move gear 37 and institute by the Y-direction
The engagement for stating Y-direction rack 33 does Y-direction horizontal movement, the Y-direction moving slide block 34 on the Y-direction line slideway 32 with institute
State horizontal table 35 and digit control motor 36 does Y-direction horizontal movement together, operation can is realized positioned at described more than
The Y-direction horizontal movement of the objective table 38 of on horizontal table 35, described fixed ceramic substrate or resin substrate.It is other composition and
Annexation is identical with embodiment one.
Embodiment six：Illustrate present embodiment with reference to Fig. 2 and Fig. 3, one kind described in present embodiment is used for copper post
Grid array interconnection devices plant post technique device feeding material component include hopper 1, holding pad 3, spring 4, ratchet delivery sheet and its
Motion driving mechanism 6, brazing flux storage tank 7, storage tank cover plate 8, sliding block and its motion driving mechanism 9 and two feeding guides 10, two
The side by side parallel of feeding guide 10 is set, and brazing flux storage tank 7 is slidably connected by sliding block 9 and two feeding guides 10, brazing flux storage tank 7
Storage tank cover plate 8 is provided with upper opening, storage tank cover plate 8 is provided with copper post spacing hole 8-1, and hopper 1 is arranged on the upper of brazing flux storage tank 7
Side, hopper 1 include hopper riser 1-1 and hopper bottom plate 1-2, and the copper post that hopper bottom plate 1-2 is corresponded on lower section storage tank cover plate 8 is spacing
Hole 8-1 position is provided with blanking hole 2, and copper post 5 is arranged in hopper 1, and holding pad 3 is arranged in hopper 1, and holding pad 3
In the outside of copper post 5, spring 4 is arranged on the outside of holding pad 3.Ratchet delivery sheet 6 is provided with ratchet 6-2, ratchet 6-2 front end
Provided with copper post groove 6-1.
The copper post 5 is positioned in the hopper 1, and the spring 4 compresses the pressure strip 3, and the copper post 5 is by the pressure
Flitch 3 is pressed in the hopper 1；The ratchet delivery sheet 6 is close to the hopper riser of the hopper 1 under corresponding mechanism driving
1-1 and its relative bilateral reciprocation；The ratchet delivery sheet 6 along the hopper 1 move right when, the copper post 5 is described
Ratchet 6-2 agitation and the copper post groove 6-1 for entering the ratchet delivery sheet 6 under the pressure of the holding pad 3 on ratchet delivery sheet 6
In, the copper post groove 6-1 of the ratchet delivery sheet 6 can only accommodate single copper post, it is achieved thereby that the copper post 5 is from the hopper 1
The action of middle separation.The ratchet delivery sheet 6 embedded with single copper post moves back and forth from right to left along the hopper 1 in copper post groove
When, the single copper post of copper post groove 6-1 drives of the ratchet delivery sheet 6 moves to the hopper bottom plate 1-2 of the hopper 1 blanking hole
2 top simultaneously makes single copper post be fallen along blanking hole 2；The material of copper post spacing hole and the hopper 1 on the storage tank cover plate 8
The centering of blanking hole 2 of bottom sheet, the single copper post in the copper post groove 6-1 of the ratchet delivery sheet 6 is by described 2 times backwardnesss of blanking hole
The copper post spacing hole 8-1 on the storage tank cover plate 8 is entered through, the lower end of the single copper post falls into the brazing flux storage tank 7
In and infiltrated by brazing flux therein, and the upper end of the single copper post then exposes to the top certain length of storage tank cover plate 8,
To facilitate drill chuck crawl and clamping, it is achieved thereby that single copper post plants the action of the brazing flux coating of styletable.By described in control
Slider-actuated mechanism controls the feeding sliding block 9 to move, and drives the brazing flux storage tank 7 being installed on feeding sliding block 9 along sending
Material guide rail 10 is moved, and specified location is delivered to so as to which the single copper post be removed from the hopper bottom plate 1-2 of hopper 1 lower section, from
And realize the feeding action of single copper post.Other compositions and annexation are identical with embodiment one.
Embodiment seven：Illustrate present embodiment with reference to Fig. 1 to Fig. 5, one kind described in present embodiment is used for copper post
Grid array interconnection devices plant the drill chuck rotational motion component of the device of post technique, and the lower section of the driven pulley 28 sets one group of rotation
Rotating shaft and its drill chuck 30 of drive, three groups of rotary shafts and its drive can also be set in three positions in right angled triangle summit
Drill chuck 30 or the multigroup rotary shaft of the vertex position of other shapes setting and its drill chuck 30 of drive, described three or more
The rotary motion of individual drill chuck and its copper post of clamping using Z as axle, it is that the driving wheel is driven by the digit control motor 25
27th, the conveyer belt 29, the driven pulley 28, the rotary shaft 30 and thereon add set the travelling gear and nibble therewith
What the two or more travelling gears and the spinning movement of rotary shaft thereon closed were realized.Between three or more described travelling gears
Spacing post pad to be planted with target spacing it is equal.Other compositions and annexation are identical with embodiment one.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as be without departing from technical solution of the present invention content, according to the technical spirit of the present invention,
Within the spirit and principles in the present invention, any simple modification, equivalent substitution and improvement for being made to above example etc., still
Belong within the protection domain of technical solution of the present invention.
Claims (6)
- A kind of 1. device that post technique is planted for copper post grid array interconnection devices, it is characterised in that：Described one kind is used for copper post grid The device that array interconnection devices plant post technique includes drill chuck translational motion mechanism, drill chuck rotational motion component, objective table group Part and feeding material component, the drill chuck rotational motion component are arranged in the drill chuck translational motion mechanism, the drill chuck Rotational motion component is arranged on the top of the objective table component, and the feeding material component is arranged on the drill chuck rotational motion group The side of part.
- A kind of 2. device that post technique is planted for copper post grid array interconnection devices according to claim 1, it is characterised in that：Institute Stating drill chuck rotational motion component includes horizontal connecting plate (24), digit control motor (25), motor tensioning plate (26), driving wheel (27), driven pulley (28), conveyer belt (29) and rotary shaft and drill chuck (30), digit control motor (25) pass through motor tensioning plate (26) it is arranged on horizontal connecting plate (24), driving wheel (27) is sleeved in the rotary shaft of digit control motor (25), driven pulley (28) upper end of rotary shaft (30) where being sleeved on drill chuck, driving wheel (27) are connected by conveyer belt (29) and driven pulley (28) Connect.
- A kind of 3. device that post technique is planted for copper post grid array interconnection devices according to claim 1, it is characterised in that：Institute Stating drill chuck translational motion mechanism includes standing to sole plate (11), X-direction moving parts and Z-direction moving parts, the X side To moving parts include X to line slideway (12), X to rack (13), X to motion gear (14), digit control motor (15), X to Moving slide block (16) and stand to connecting plate (17), X is to line slideway (12) and X to rack (13) from top to bottom side by side parallel successively Installed in standing on sole plate (11), stand sliding to moving slide block (16) and X to line slideway (12) by X to connecting plate (17) Dynamic connection, digit control motor (15) are arranged on and stood on connecting plate (17), and X is sleeved on digit control motor to motion gear (14) (15) in rotary shaft, X engages to motion gear (14) with X to rack (13)；The Z-direction moving parts, which are arranged on, to be stood to even On fishplate bar (17).
- 4. according to a kind of device that post technique is planted for copper post grid array interconnection devices of claim 1 or 3, its feature exists In：The drill chuck translational motion mechanism includes standing to sole plate (11), X-direction moving parts and Z-direction moving parts, institute Stating Z-direction moving parts includes Z-direction line slideway (18), Z-direction rack (19), Z-direction moving slide block (20), stands to exercise stress (21), digit control motor (22) and Z-direction motion gear (23), Z-direction line slideway (18), the installation of Z-direction rack (19) side by side parallel Standing on connecting plate (17), and the center line of Z-direction line slideway (18) along its length and X-direction line slideway (12) are along length The central axis in direction is spent, stands to exercise stress (21) and company is slided by Z-direction moving slide block (20) and Z-direction line slideway (18) Connect, digit control motor (22) is arranged on and stood on exercise stress (21), and Z-direction motion gear (23) is sleeved on digit control motor (22) Rotary shaft on, Z-direction motion gear (23) engaged with Z-direction rack (19), horizontal connecting plate (24) with stand to exercise stress (21) Lower end connection.
- A kind of 5. device that post technique is planted for copper post grid array interconnection devices according to claim 1, it is characterised in that：Institute State objective table component include substrate (31), two Y-direction line slideways (32), Y-direction rack (33), two Y-direction moving slide blocks (34), Horizontal table (35), digit control motor (36), Y-direction motion gear (37) and two objective tables (38), two Y-direction line slideways (32) side by side parallel is arranged on the upper surface of substrate (31), and the lower surface of horizontal table (35) is slided by two Y-direction motions Block (34) is slidably connected with two Y-direction line slideways (32), and Y-direction rack (33) is arranged between two Y-direction line slideways (32), And the center line of Y-direction rack (33) along its length and the centerline parallel of Y-direction line slideway (32) along its length, digit control Motor (36) is arranged on horizontal table (35), and Y-direction motion gear (37) is sleeved in the rotary shaft of digit control motor (36), Y-direction motion gear (37) engages with Y-direction rack (33), and two objective tables (38) are arranged on the upper surface of horizontal table (35) On.
- A kind of 6. device that post technique is planted for copper post grid array interconnection devices according to claim 1, it is characterised in that：Institute Stating feeding material component includes hopper (1), holding pad (3), spring (4), ratchet delivery sheet and its motion driving mechanism (6), brazing flux storage Groove (7), storage tank cover plate (8), sliding block and its motion driving mechanism (9) and two feeding guides (10), two feeding guides (10) Side by side parallel is set, and brazing flux storage tank (7) is slidably connected by sliding block (9) and two feeding guides (10), brazing flux storage tank (7) it is upper Square opening is provided with storage tank cover plate (8), and storage tank cover plate (8) is provided with copper post spacing hole (8-1), and hopper (1) is arranged on brazing flux storage The top of groove (7), hopper (1) are provided with hopper riser (1-1) and hopper bottom plate (1-2), the corresponding lower section storage tank of hopper bottom plate (1-2) The position of copper post spacing hole (8-1) on cover plate (8) is provided with blanking hole (2), and copper post (5) is arranged in hopper (1), holding pad (3) it is arranged in hopper (1), and holding pad (3) is located at the outside of copper post (5), spring (4) is arranged on the outside of holding pad (3), Ratchet delivery sheet (6) is provided with ratchet (6-2), and the front end of ratchet (6-2) is provided with copper post groove (6-1).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110290638A (en) * | 2019-07-30 | 2019-09-27 | 信丰祥达丰电子有限公司 | The copper post crimping machine that a kind of pcb board uses when producing |
| CN110836819A (en) * | 2019-11-25 | 2020-02-25 | 哈尔滨理工大学 | Pneumatic transmission auxiliary device for measuring pull-out load and welding spot shearing performance of welding column in CGA column planting process |
| CN113857607A (en) * | 2021-10-19 | 2021-12-31 | 哈尔滨理工大学 | Constraint pressurizing drill chuck welding tool and friction dynamic pressure welding column planting method |
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| CN110290638A (en) * | 2019-07-30 | 2019-09-27 | 信丰祥达丰电子有限公司 | The copper post crimping machine that a kind of pcb board uses when producing |
| CN110290638B (en) * | 2019-07-30 | 2024-02-09 | 信丰祥达丰电子有限公司 | Copper post crimping machine that uses during PCB board production |
| CN110836819A (en) * | 2019-11-25 | 2020-02-25 | 哈尔滨理工大学 | Pneumatic transmission auxiliary device for measuring pull-out load and welding spot shearing performance of welding column in CGA column planting process |
| CN110836819B (en) * | 2019-11-25 | 2022-03-01 | 哈尔滨理工大学 | Pneumatic transmission auxiliary device for measuring pull-out load and welding spot shearing performance of welding column in CGA column planting process |
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