CN102856237B - Pin trimming device based on recycled DIP (dual in-line package) type IC (integrated circuit) chip - Google Patents
Pin trimming device based on recycled DIP (dual in-line package) type IC (integrated circuit) chip Download PDFInfo
- Publication number
- CN102856237B CN102856237B CN201210325823.2A CN201210325823A CN102856237B CN 102856237 B CN102856237 B CN 102856237B CN 201210325823 A CN201210325823 A CN 201210325823A CN 102856237 B CN102856237 B CN 102856237B
- Authority
- CN
- China
- Prior art keywords
- pin
- chip
- counterdie
- tooth
- spill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a pin trimming device based on recycled DIP (dual in-line package) type IC (integrated circuit) chip. The pin trimming device is characterized by comprising a pin coplane trimming unit, a pin tooth root trimming unit, a pin prong trimming unit and a pin finishing unit. Based on the device disclosed by the invention, the DIP type IC chip can be efficiently, accurately, economically and practically recycled through the pin coplane trimming, the pin tooth root trimming, the pin prong trimming and the pin finishing in sequence.
Description
Technical field
The present invention relates to a kind of pin trimming device of integrated circuit (IC) chip, particularly relate to a kind of trimming device and method of IC chip pin of the DIP encapsulation towards reclaiming.
Background technology
The IC chip of DIP encapsulation (Dual In-line Package, dual in-line package) adopts perforation to install, and connects up and welds very conveniently, is widely used in electron trade.Along with the progress of technology and the increase of service life of the products, increasing electronic product is eliminated, and has produced thus a large amount of discarded DIP encapsulation IC chips.These chips are after suitable processing, and majority still can use, and have higher economic worth.But the number of pins Duo ﹑ spacing of DIP encapsulation IC chip is little, material softer, can produce unavoidably pin bending or crooked, thereby affect follow-up detection and reuse in the process of dismounting, transport and keeping.Therefore, the DIP encapsulation IC chip of disassembling through sealing-off from circuit board being carried out to pin finishing is the important means of simplifying subsequent technique, reducing processing cost, realize renewable resources, promote sustainable development.
Open day is on January 28th, 2009, publication number is that the Chinese patent of CN201188745 discloses a kind of " apparatus for trimming pin ", matched moulds and die sinking between the upper and lower template of this equipment utilization complete the finishing to IC component pin, but it can only solve the Coplanarity Problems of component pin, bending or crooked cannot the processing for the pin beyond coplanar, and this equipment, in the time that cope match-plate pattern acts on element, easily produces and rocks, the accuracy of impact finishing.
The master that Fig. 1 a is depicted as chip 30 looks schematic diagram, and Fig. 1 b is depicted as the schematic side view of chip 30; Chip pin in figure is dentation and distributes in both sides, chip pin has heel portion 31 and tiptoe portion 32, and because heel portion 31 is wider than tiptoe portion 32, between adjacent teeth, heel portion spacing is larger than tiptoe portion spacing.
Fig. 2 a, Fig. 2 b, Fig. 2 c and Fig. 2 d are several multi-form pin distortion of chip 30.
Summary of the invention
The present invention is for avoiding the existing weak point of above-mentioned prior art, provide a kind of efficient, high accuracy, economic, practical, towards the DIP encapsulation IC chip pin trimming device based on reclaiming reclaiming.
Technical solution problem of the present invention adopts following technical scheme:
The DIP encapsulation IC chip pin trimming device that the present invention is based on recovery, is characterized in arranging:
The coplanar trimming unit of one pin, to form coplanar finishing mould with the spill patrix of spill counterdie and a back-off, the matched moulds state of described common finishing mould is: chip is placed on spill counterdie down with pin, and the spill patrix of back-off is fastened on chip, with spill counterdie, chip is formed to clamping;
One pin tooth root trimming unit, to form tooth root finishing mould with a vertical tooth patrix and a convex counterdie, the matched moulds state of described tooth root finishing mould is: chip is to be placed in down on convex counterdie with pin, and vertical tooth patrix is fastened on chip, with convex counterdie, chip is formed to clamping; Described vertical tooth patrix has the vertical straight-tooth of two rows be arrangeding in parallel, the vertical range that the vertical range of two rows between vertical straight-tooth and chip two are arranged between pin equates, in the vertical straight-tooth of every row, the width of adjacent two interdental space equates with chip pin tooth root width;
One pin crown trimming unit, IC chip is to be fixedly installed on upward in concave base with pin, concave base is longitudinal setting, be positioned at the two ends of described concave base, there is the cross slide way that twice be arranged in parallel, the one pectination mould that is longitudinal setting be with two ends sliding bearing on described cross slide way, and can be on described cross slide way parallel; Described pectination mould its broach that is inclined to set, the backlash that the shape that the broach of described pectination mould matches with it can be interted chip pin from sidepiece.
One pin finishing unit, arranges a taper hole template, the pin of described IC chip is inserted down in the taper hole of taper hole template, can carry out the finishing of pin.
The DIP encapsulation IC chip pin trimming device that the present invention is based on recovery, its feature is also:
On the inner concave of described spill counterdie, be provided with air vent hole, described air vent hole is by being arranged on the external vacuum pump of gas channel in spill counterdie.
On the convex surface of described convex counterdie, be provided with air vent hole, described air vent hole is by being arranged on the external vacuum pump of gas channel in convex counterdie;
On the inner concave of described concave base, be provided with air vent hole, described air vent hole is by being arranged on the external vacuum pump of gas channel in concave base.
The present invention is based on the DIP encapsulation IC chip pin trimming device of recovery, its feature is also: a workbench is set, the twice that longitudinally be arranged in parallel on described workbench " V " type guide groove, described spill counterdie, convex counterdie or matrix pedestal are slidably fitted in described " V " type guide groove at bottom " V " shape muscle with relative set; On described workbench; in the direction of " V " type guide groove, front apron and backboard are set respectively; adjusting screw and rear adjusting screw before arranging respectively on described front apron and backboard, described in the spill counterdie, convex counterdie or the matrix pedestal that are arranged on workbench be to make longitudinal register by front adjusting screw and rear adjusting screw.
The DIP encapsulation IC chip pin trimming device that the present invention is based on recovery, its feature is also:
Folding mould actuator is set, that inverted spill patrix or vertical tooth patrix are fixed by screws on the bottom surface of top board, distribution triangular in shape three guide pillars that are fixedly installed on workbench run through top board by matched in clearance, be sleeved on pressure mounting of the spring on guide pillar between top board and workbench, the fixing cross-over connection of two guide pillars that one fixed axis is arranged diagonal angle, one band handle eccentric wheel is sleeved on fixed axis and can rotates around fixed axis, two are positioned at the described guide pad with the eccentric both sides of handle and are fixedly installed on the upper surface of top board, and form matched in clearance with described band handle eccentric wheel, between described top board and workbench, along vertical direction, a pair of limited post is set.
In described pin crown trimming unit, the cross slide way that twice be arranged in parallel is to be fixedly installed on workbench by support.
In described pin tooth root trimming unit, in the vertical straight-tooth of two rows of the vertical tooth patrix of described band, a pair of lengthening tooth is set respectively.
In described pin crown trimming unit, in the broach of described pectination mould, be provided with a pair of protrusion helical teeth protruding out towards the moving direction of pectination mould.
Compared with prior art, beneficial effect of the present invention is embodied in:
1, the present invention has not only solved the coplanar finishing problem of pin of DIP encapsulation IC chip, has also solved coplanar pin bending or crooked finishing problem in addition simultaneously, and accommodation is wide;
2, the invention solves location and the clamping problem of DIP encapsulation IC chip in pin dressing process, make the precision of pin finishing high, efficiency is high;
The pin of the DIP encapsulation IC chip producing when 3, the present invention not only can solve retrieving circuit board is repaired problem, but also can solve the pin finishing problem of new DIP encapsulation IC chip.
Brief description of the drawings
Fig. 1 a is that chip master looks schematic diagram, and Fig. 1 b is chip schematic side view;
Fig. 2 a, Fig. 2 b, Fig. 2 c and Fig. 2 d are several multi-form pin distortion;
Fig. 3 is folding mould actuator structural representation in the present invention;
Fig. 4 is the coplanar trimming unit schematic diagram of pin in the present invention;
Fig. 5 is the gas channel schematic diagram in camber counterdie of the present invention;
Fig. 6 is pin tooth root trimming unit schematic diagram in the present invention;
Fig. 7 a is pin crown trimming unit schematic diagram in the present invention;
Fig. 7 b is that in the present invention, pin crown trimming unit is used view;
Fig. 8 is pin finishing cell schematics in the present invention;
Number in the figure: 1 band handle eccentric wheel, 2 guide pillars, 3 top boards, 4 springs, 5 workbenches, 6 is " V " shape guide groove, adjusting screw before 7a, adjusting screw after 7b, 8 bolts, 9a front apron, 9b backboard; 10 limited posts, 11 spill counterdies, 11a matrix pedestal; 12 spill patrixes, 13 guide pads, 14 fixed axis, 15 chips, 16 pectination moulds, 17 cross slide waies, 18 vertical tooth patrixes, 19 taper hole templates, 20 gas channels, 21 convex counterdies, 22 lengthen tooth, and 23 protrude helical teeth, 24 taper holes.
Embodiment
The structure of the DIP encapsulation IC chip pin trimming device based on reclaiming in the present embodiment is set to:
The coplanar trimming unit of pin as shown in Figure 4, to form coplanar finishing mould with the spill patrix 12 of spill counterdie 11 and a back-off, the matched moulds state of common finishing mould is: chip 15 is placed on spill counterdie 11 down with pin, and the spill patrix 12 of back-off is fastened on chip 15, with spill counterdie 11, chip 15 is formed to clamping.Utilize the matched moulds between the spill patrix 12 of spill counterdie 11 and back-off to complete the coplanar finishing to DIP encapsulation IC chip pin.
The gas channel 20 of convex counterdie as shown in Figure 5, has identical gas channel 20 on spill counterdie 11 and matrix pedestal 11a, by external vacuum pump fixed chip 15.
Pin tooth root trimming unit as shown in Figure 6, to form tooth root finishing mould with a vertical tooth patrix 18 and a convex counterdie 21, the matched moulds state of tooth root finishing mould is: chip is to be placed in down on convex counterdie 21 with pin, and vertical tooth patrix 18 is fastened on chip, with convex counterdie 21, chip is formed to clamping; Vertical tooth patrix 18 has the vertical straight-tooth of two rows be arrangeding in parallel, and the vertical range that the vertical range between the vertical straight-tooth of two rows and chip two are arranged between pin equates, in the vertical straight-tooth of every row, the width of adjacent two interdental space equates with chip pin tooth root width.
Pin crown trimming unit as shown in Fig. 7 a and Fig. 7 b, chip 15 is to be fixedly installed on upward in concave base 11a with pin, concave base 11a is longitudinal setting, be positioned at the two ends of concave base 11a, there is the cross slide way 17 that twice be arranged in parallel, the one pectination mould 16 that is longitudinal setting be with two ends sliding bearing on cross slide way 17, and can be on cross slide way 17 parallel; Pectination mould 16 its broach that is inclined to set, the backlash that the shape that the broach of pectination mould 16 matches with it can be interted chip pin from sidepiece.
Pin finishing unit as shown in Figure 8, arranges a taper hole template 19, the pin of chip 15 is inserted down in the taper hole 24 of taper hole template 19, can carry out the finishing of pin.
In concrete enforcement, corresponding structure setting also comprises:
As shown in Figure 4, on the inner concave of spill counterdie 11, be provided with air vent hole, air vent hole is by being arranged on the external vacuum pump of gas channel 20 in spill counterdie 11, and the negative pressure that chip 15 forms by startup vacuum pump is attracted to the upper surface of spill counterdie 11 and is located.Equally, on the convex surface of convex counterdie 21, be provided with air vent hole, air vent hole is by being arranged on the external vacuum pump of gas channel in convex counterdie 21; On the inner concave of concave base 11a, be provided with air vent hole, air vent hole is by being arranged on the external vacuum pump of gas channel in concave base 11a.
Participate in Fig. 3, one workbench 5 is set in the present embodiment, the twice that longitudinally be arranged in parallel on workbench 5 " V " type guide groove 6, spill counterdie 11, convex counterdie 21 or matrix pedestal 11a are slidably fitted in " V " type guide groove 6 at bottom " V " shape muscle with relative set; On workbench 5, in the direction of " V " type guide groove 6, front apron 9a and backboard 9b are set respectively, adjusting screw 7a and adjusting screw 7b are set respectively on front apron 9a and backboard 9b, and the spill counterdie 11, convex counterdie 21 or the matrix pedestal 11a that are arranged on workbench 5 make longitudinal register by adjusting screw 7 a and adjusting screw 7b.For the ease of fixing, front apron 9a and backboard 9b are set to the baffle plate of " L " shape, " L " shape front apron 9a shown in figure and backboard 9b are fixedly installed on workbench 5 with bolt 8, screw rod 7a and front apron 9a, screw rod 7b and front apron 9b form screw thread pair, and rotating screw bolt 7a and screw rod 7b can clamp spill counterdie 11, convex counterdie 21 or matrix pedestal 11a.
As shown in Figure 3, folding mould actuator is set in the present embodiment, that inverted spill patrix 12 or vertical tooth patrix 18 are fixed by screws on the bottom surface of top board 3, distribution triangular in shape three guide pillars 2 that are fixedly installed on workbench 5 run through top board 3 by matched in clearance, the spring 4 being sleeved on guide pillar 2 is fitted between top board 3 and workbench 5, the fixing cross-over connection of two guide pillars 2 that one fixed axis 14 is arranged diagonal angle, one band handle eccentric wheel 1 is sleeved on fixed axis 14 and can rotates around fixed axis 14, two guide pads 13 that are positioned at the both sides with handle eccentric wheel 1 are fixedly installed on the upper surface of top board 3, and form matched in clearance with band handle eccentric wheel 1, thereby the play of check strap handle eccentric wheel 1 on fixed axis 14, between top board 3 and workbench 5, along vertical direction, a pair of limited post 10 is set.
Pull band handle eccentric wheel 1, top board 3 Compress Springs 4 move down in the guiding of guide pillar, by the matrix patrix 12 of back-off, the both sides pin of chip 15 are carried out to coplanar finishing, the height setting of limited post 10 back-off matrix patrix 12 move down distance; Unclamp band handle eccentric wheel 1, under the effect of spring 4, realize die sinking, on the spill patrix 12 of back-off, move, now, due to the effect of negative pressure, chip 15 can not taken away by the spill patrix 12 of back-off, thereby completes the coplanar finishing of both sides pin of IC chip 15.
As shown in Figure 6, in pin tooth root trimming unit, in the vertical straight-tooth of two rows with vertical tooth patrix 18, a pair of lengthening tooth 22 is set respectively, so that in guiding and location by carrying out initial position before chip pin being repaired with vertical tooth patrix 18.First utilize negative pressure that chip is fixed in mould, in top board 3 folding processes, need to be by adjusting screw rod 7a and adjusting screw 7b so that the front and back position of chip 15 is adjusted, can accurately embed in the correspondence position tooth root space of IC chip 15 with the lengthening tooth 22 on vertical tooth patrix 18 guaranteeing, complete location, continue afterwards to pull band handle eccentric wheel 1, by the matched moulds with convex counterdie with vertical tooth patrix 18, realize the tooth root finishing of the both sides pin to chip 15.
As shown in Fig. 7 a and Fig. 7 b, in pin crown trimming unit, the cross slide way 17 that twice be arranged in parallel is to be fixedly installed on workbench 5 by support, in the broach of pectination mould 16, be provided with a pair of protrusion helical teeth 23 protruding out towards the moving direction of pectination mould 16, because chip 15 is before this repaired through pin tooth root, can realize well contraposition to protrude helical teeth 23 as guiding and guiding; Centre-to-centre spacing on pectination mould 16 between adjacent fingers equates with the centre-to-centre spacing of chip by chip pin, and the pin shape of the slot form of pectination mould 16 and chip matches.
When use, the upper surface of concave base 11a will be placed in upward with pin through the chip 15 of tooth root finishing, start subsequently vacuum pump and form negative pressure, chip 15 firmly adsorbs fixing on the surface of concave base, promote pectination mould 16 along guide rail 17 and make it the pin near chip 15, by turn adjusting screw 7a and adjusting screw 7b, the front and back position of adjusting concave base 11a is the front and back position of chip 15, make the protrusion helical teeth 23 of pectination mould 16 can embed the tooth root space of chip 15, then screw adjusting screw 7a and adjusting screw 7b, continue the both sides pin that promotion pectination mould 16 makes it to slip over chip 15, can complete the crown finishing of IC chip 15.
As shown in Figure 8, on the flat board that pin finishing unit is is 10mm at a thickness, process the taper hole 24 of two row with tapering, centre-to-centre spacing between two row taper holes equals the centre-to-centre spacing between chip two row pins, in same row, the centre-to-centre spacing of adjacent taper hole is the centre-to-centre spacing of chip by chip pin, and the outside diameter of taper hole 24 is slightly larger than the Breadth Maximum of chip pin.
While carrying out pin finishing, first chip 15 pins are vertically put into each taper hole mouth position of taper hole template 19 down, gentlier pressed the upper surface of chip 15 can complete the finishing work of DIP encapsulation IC chip pin.
Successively through the finishing of coplanar finishing, pin tooth root, the finishing of pin crown and pin finishing, can realize that DIP encapsulation IC chip is efficient, high accuracy, economic, practical recovery based on apparatus of the present invention.
Claims (6)
1. the encapsulation of the DIP based on reclaiming IC chip pin trimming device, its version is to arrange:
The coplanar trimming unit of one pin, to form coplanar finishing mould with the spill patrix (12) of spill counterdie (11) and a back-off, the matched moulds state of described coplanar finishing mould is: chip (15) is placed on spill counterdie (11) down with pin, it is upper that the spill patrix (12) of back-off is fastened on chip (15), with spill counterdie (11), chip (15) formed to clamping;
One pin tooth root trimming unit, to form tooth root finishing mould with a vertical tooth patrix (18) and a convex counterdie (21), the matched moulds state of described tooth root finishing mould is: chip is to be placed in convex counterdie (21) down above with pin, and vertical tooth patrix (18) is fastened on chip, with convex counterdie (21), chip is formed to clamping; Described vertical tooth patrix (18) has the vertical straight-tooth of two rows be arrangeding in parallel, the vertical range that the vertical range of two rows between vertical straight-tooth and chip two are arranged between pin equates, in the vertical straight-tooth of every row, the width of adjacent two interdental space equates with chip pin tooth root width;
One pin crown trimming unit, IC chip is to be fixedly installed on upward in concave base (11a) with pin, concave base (11a) is longitudinal setting, be positioned at the two ends of described concave base (11a), there is the cross slide way (17) that twice be arranged in parallel, the one pectination mould (16) that is longitudinal setting is upper at described cross slide way (17) with two ends sliding bearing, and can be at the upper parallel of described cross slide way (17); Described pectination mould (16) its broach that is inclined to set, the backlash that the shape that the broach of described pectination mould (16) matches with it can be interted chip pin from sidepiece;
One pin finishing unit, arranges a taper hole template (19), the pin of described IC chip (15) is inserted down in the taper hole (24) of taper hole template (19), can carry out the finishing of pin;
It is characterized in that: a workbench (5) is set, the twice that longitudinally be arranged in parallel on described workbench (5) " V " type guide grooves (6), described spill counterdie (11), convex counterdie (21) or matrix pedestal (11a) are slidably fitted in described " V " type guide groove (6) at bottom " V " shape muscle with relative set; On described workbench (5), in the direction of " V " type guide groove (6), front apron (9a) and backboard (9b) are set respectively, front adjusting screw (7a) and rear adjusting screw (7b) are set respectively on described front apron (9a) and backboard (9b), described in the spill counterdie (11), convex counterdie (21) or the matrix pedestal (11a) that are arranged on workbench (5) be to make longitudinal register by front adjusting screw (7a) and rear adjusting screw (7b).
2. the DIP encapsulation IC chip pin trimming device based on reclaiming according to claim 1, is characterized in that:
On the inner concave of described spill counterdie (11), be provided with air vent hole, described air vent hole is by being arranged on the external vacuum pump of gas channel (20) in spill counterdie (11);
On the convex surface of described convex counterdie (21), be provided with air vent hole, described air vent hole is by being arranged on the external vacuum pump of gas channel in convex counterdie (21);
On the inner concave of described concave base (11a), be provided with air vent hole, described air vent hole is by being arranged on the external vacuum pump of gas channel in concave base (11a).
3. the DIP encapsulation IC chip pin trimming device based on reclaiming according to claim 1, it is characterized in that arranging folding mould actuator, that inverted spill patrix (12) or vertical tooth patrix (18) are fixed by screws on the bottom surface of top board (3), distribution triangular in shape three guide pillars (2) that are fixedly installed on workbench (5) run through top board (3) by matched in clearance, the spring (4) being sleeved on guide pillar (2) is fitted between top board (3) and workbench (5), the fixing cross-over connection of two guide pillars (2) that one fixed axis (14) is arranged diagonal angle, one band handle eccentric wheel (1) is sleeved on fixed axis (14) above and can rotates around fixed axis (14), two guide pads (13) that are positioned at the both sides of described band handle eccentric wheel (1) are fixedly installed on the upper surface of top board (3), and form matched in clearance with described band handle eccentric wheel (1), between described top board (3) and workbench (5), along vertical direction, a pair of limited post (10) is set.
4. the DIP encapsulation IC chip pin trimming device based on reclaiming according to claim 1, it is characterized in that: in described pin crown trimming unit, the cross slide way (17) that twice be arranged in parallel is to be fixedly installed on workbench (5) by support.
5. the DIP encapsulation IC chip pin trimming device based on reclaiming according to claim 1, it is characterized in that: in described pin tooth root trimming unit, in the vertical straight-tooth of two rows of described vertical tooth patrix (18), a pair of lengthening tooth (22) is set respectively.
6. the DIP encapsulation IC chip pin trimming device based on reclaiming according to claim 1, it is characterized in that: in described pin crown trimming unit, in the broach of described pectination mould (16), be provided with a pair of protrusion helical teeth (23) protruding out towards the moving direction of pectination mould (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325823.2A CN102856237B (en) | 2012-09-05 | 2012-09-05 | Pin trimming device based on recycled DIP (dual in-line package) type IC (integrated circuit) chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325823.2A CN102856237B (en) | 2012-09-05 | 2012-09-05 | Pin trimming device based on recycled DIP (dual in-line package) type IC (integrated circuit) chip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102856237A CN102856237A (en) | 2013-01-02 |
| CN102856237B true CN102856237B (en) | 2014-10-08 |
Family
ID=47402698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210325823.2A Expired - Fee Related CN102856237B (en) | 2012-09-05 | 2012-09-05 | Pin trimming device based on recycled DIP (dual in-line package) type IC (integrated circuit) chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102856237B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577703A (en) * | 2013-10-22 | 2015-04-29 | 杨雅屹 | Pin arrangement mechanism |
| CN103759825A (en) * | 2014-01-10 | 2014-04-30 | 中国科学院长春光学精密机械与物理研究所 | Fixing device for CCD detector bare chip |
| CN104363746A (en) * | 2014-11-25 | 2015-02-18 | 中国航空工业集团公司洛阳电光设备研究所 | Pin centralizer clamp and method for assembling element with pins through pin centralizer clamp |
| CN105321856B (en) * | 2015-11-04 | 2017-11-10 | 湖北工业大学 | A kind of DIP chip pins apparatus for shaping |
| CN108580744B (en) * | 2018-06-21 | 2024-01-02 | 上海空间电源研究所 | QFP device pin forming tool and application method thereof |
| CN109648005B (en) * | 2018-12-28 | 2020-11-24 | 江苏盛斗士网络技术有限公司 | Pin bending device of electronic element |
| CN111442915B (en) * | 2020-04-07 | 2020-12-25 | 南京东磊汽车仪表有限公司 | Electronic relay production manufacturing detection method |
| CN112916436A (en) * | 2020-12-29 | 2021-06-08 | 芜湖发电有限责任公司 | Cleaning device for transformer cooler |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312641A (en) * | 2007-05-21 | 2008-11-26 | 上海允科自动化有限公司 | Pin shaping apparatus for integrated circuit and pin shaping method |
-
2012
- 2012-09-05 CN CN201210325823.2A patent/CN102856237B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101312641A (en) * | 2007-05-21 | 2008-11-26 | 上海允科自动化有限公司 | Pin shaping apparatus for integrated circuit and pin shaping method |
Non-Patent Citations (2)
| Title |
|---|
| 基于回收的DIP封装IC芯片引脚整形装置;朱一等;《组合机床与自动化加工技术》;20100620(第6期);79-81 * |
| 朱一等.基于回收的DIP封装IC芯片引脚整形装置.《组合机床与自动化加工技术》.2010,(第6期),79-81. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102856237A (en) | 2013-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102856237B (en) | Pin trimming device based on recycled DIP (dual in-line package) type IC (integrated circuit) chip | |
| CN201751048U (en) | Quadrangle head riveting machine of chain | |
| CN101631450B (en) | Pin correcting device for integrated circuit | |
| CN101312641A (en) | Pin shaping apparatus for integrated circuit and pin shaping method | |
| CN206123189U (en) | Motor casing's frock | |
| CN104773482A (en) | Assembly line mechanism capable of automatically positioning | |
| CN206982940U (en) | A kind of porous ceramics 3D printer | |
| CN204377027U (en) | Package assembly fixed by curved surface backboard | |
| CN102891097B (en) | Recycled SOP (small out-line package) IC (integrated circuit) chip based pin dressing unit | |
| CN207993804U (en) | A kind of DIP encapsulation chip pin reshaping clamp | |
| CN208114128U (en) | A kind of leather shoes production shoes code printing equipment | |
| CN206009957U (en) | A kind of electromagnetic platen formula edge milling machines | |
| CN205888215U (en) | Quick cutting device of PCB board | |
| CN202224557U (en) | Filament bending die applied onto high-voltage spot welding machine for filaments | |
| CN205629392U (en) | Straightness accuracy plastic mould | |
| CN207082527U (en) | A kind of patch-type lead frame | |
| CN204867285U (en) | Easily add i -shaped positioning die | |
| CN206541854U (en) | A kind of LED substrates film sticking apparatus | |
| CN201115307Y (en) | A whole footer device for integrated circuit | |
| CN208840336U (en) | A kind of segmented sheet metal component molding machine | |
| CN201470807U (en) | Chain screw riveting machine | |
| CN107175293A (en) | A kind of efficient diel | |
| CN204052637U (en) | Sprocket wheel stamping die | |
| CN204867090U (en) | Steel backing plastic mould of bending | |
| CN205968289U (en) | Special clamping device of rail backing plate multiaspect ladder angle processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20210905 |