CN119282228A - Lead frame cutting device and cutting method - Google Patents
Lead frame cutting device and cutting method Download PDFInfo
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- CN119282228A CN119282228A CN202411806605.XA CN202411806605A CN119282228A CN 119282228 A CN119282228 A CN 119282228A CN 202411806605 A CN202411806605 A CN 202411806605A CN 119282228 A CN119282228 A CN 119282228A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 126
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000004804 winding Methods 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims description 34
- 238000003860 storage Methods 0.000 claims description 34
- 230000008569 process Effects 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 22
- 238000001125 extrusion Methods 0.000 claims description 18
- 230000007723 transport mechanism Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000032258 transport Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 description 24
- 238000010168 coupling process Methods 0.000 description 24
- 238000005859 coupling reaction Methods 0.000 description 24
- 210000004907 gland Anatomy 0.000 description 18
- 239000010720 hydraulic oil Substances 0.000 description 11
- 230000006872 improvement Effects 0.000 description 8
- 239000011550 stock solution Substances 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D15/00—Shearing machines or shearing devices cutting by blades which move parallel to themselves
- B23D15/04—Shearing machines or shearing devices cutting by blades which move parallel to themselves having only one moving blade
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D33/00—Accessories for shearing machines or shearing devices
- B23D33/02—Arrangements for holding, guiding, and/or feeding work during the operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shearing Machines (AREA)
Abstract
本发明涉及引线框架分切装置技术领域，尤其涉及一种引线框架分切装置及分切方法。包括有安装板，所述安装板固接有切割台，所述安装板固接有对称分布的固定柱，所述安装板设置有缠绕卷，所述缠绕卷上绕设有引线框架卷，对称分布的所述固定柱共同滑动连接有切割刀，其中一个所述固定柱滑动连接有第一电机，所述第一电机的输出轴固接有凸轮，该所述固定柱转动连接有连接杆，所述连接杆远离所述切割刀的一端固接有传动轮。本发明通过对引线框架的厚度进行检测，进而对第一电机的位置进行调整，改变凸轮和传动轮之间的传动比，使切割刀向下移动的速度可随引线框架的厚度进行调整，以降低切割刀在切割过程中的磨损。
The present invention relates to the technical field of lead frame slitting devices, and in particular to a lead frame slitting device and slitting method. It includes a mounting plate, the mounting plate is fixedly connected to a cutting table, the mounting plate is fixedly connected to symmetrically distributed fixed columns, the mounting plate is provided with a winding roll, the winding roll is wound with a lead frame roll, the symmetrically distributed fixed columns are slidably connected to a cutting knife, one of the fixed columns is slidably connected to a first motor, the output shaft of the first motor is fixedly connected to a cam, the fixed column is rotatably connected to a connecting rod, and the end of the connecting rod away from the cutting knife is fixedly connected to a transmission wheel. The present invention detects the thickness of the lead frame and then adjusts the position of the first motor, changes the transmission ratio between the cam and the transmission wheel, and allows the speed of the cutting knife moving downward to be adjusted according to the thickness of the lead frame, so as to reduce the wear of the cutting knife during the cutting process.
Description
Technical Field
The invention relates to the technical field of lead frame cutting devices, in particular to a lead frame cutting device and a lead frame cutting method.
Background
The production process of the lead frame generally comprises material selection, stamping, detection, electroplating, slitting, packaging and the like, wherein the raw material for preparing the lead frame is a thin metal sheet and is in a roll shape, continuous stamping or electroplating is convenient, after stamping or electroplating, the stamped lead frame is temporarily stored in a roll shape for processing in a subsequent slitting stage, and then is pulled out from the roll shape and conveyed to a cutting device for slitting.
At present, when cutting lead frames with different thicknesses, the initial feeding speed of the cutting device is the same, if the feeding speed of the cutting device is kept unchanged in the subsequent cutting process, the phenomenon that the lead frames rebound at the edge of the cut is easy to occur when the thinner lead frames are cut, the cutting precision is influenced, the pressure fed back to the cutting device by the lead frames is also increased when the thicker lead frames are cut, the abrasion speed of the cutting knife is easy to accelerate, the service life of the cutting knife is reduced, the cutting speed of the cutting device and the whole cutting quality are also influenced, and the quality of the cut lead frames is influenced.
Disclosure of Invention
In order to overcome the defect that the quality of the cut lead frame is easily influenced by the feeding speed of a cutter in the process of cutting the lead frame at present, the invention aims to provide a lead frame cutting device and a lead frame cutting method.
The technical scheme is that the lead frame slitting device comprises a mounting plate, a cutting table is fixedly connected to the upper side of the mounting plate, symmetrically distributed fixing columns are located on two sides of the cutting table, a winding roll is arranged on one side of the mounting plate, a lead frame roll is wound on the winding roll, positioning holes of a rectangular array are formed in the lead frame on the winding roll, symmetrically distributed connecting columns are fixedly connected to one side of the mounting plate, which is close to the winding roll, of the mounting plate, connecting blocks are symmetrically distributed, the connecting columns are fixedly connected with guide shafts in a rotating mode through adjacent connecting blocks, the lead frame bypasses the guide shafts, a guiding device is arranged on the upper side of the mounting plate, symmetrically distributed fixing columns are fixedly connected with cutting knives in a sliding mode, the cutting table is provided with grooves matched with the cutting knives, one fixing column is connected with a first motor in a sliding mode, the output shaft of the first motor is fixedly connected with a connecting rod in a rotating mode, the connecting rod is matched with the connecting rod in a sliding mode, the connecting rod is matched with the driving wheel, the connecting rod is far away from the first motor, and the position of the connecting rod is matched with the first driving wheel, and the connecting rod is matched with the position of the first driving wheel, and the connecting mechanism is used for being matched with the position of the first driving mechanism, and the position of the guide mechanism is used for the position of the cutter.
As the improvement of above-mentioned scheme, trigger mechanism is including the second motor, the second motor rigid coupling in the mounting panel is kept away from one side of first motor, the mounting panel is close to one side rotation of second motor is connected with the transfer line, the transfer line with pass through the gear train transmission between the output shaft of first motor, transfer line threaded connection has the gland, the gland with mounting panel sliding connection, the mounting panel is close to one side rigid coupling of first motor has the stock solution ring, sliding connection has in the stock solution ring with the removal ring of gland rigid coupling, sliding connection has the fixed column rigid coupling of first motor has the hydraulic telescoping rod, the flexible end of hydraulic telescoping rod with first motor rigid coupling, stock solution ring rigid coupling and intercommunication have the connecting pipe with hydraulic telescoping rod rigid coupling and intercommunication.
As the improvement of above-mentioned scheme, transport mechanism is including electric expansion bracket, electric expansion bracket install in the upside of mounting panel, the movable plate is installed to electric expansion bracket's upside, one side rigid coupling of movable plate has the third motor, the upside sliding connection of movable plate has first movable block and second movable block, first movable block with the rigid coupling has first elastic component between the second movable block, the upside rotation of movable plate is connected with the threaded rod, the threaded rod with the output shaft rigid coupling of third motor, the threaded rod passes the second movable block, just the threaded rod with first movable block screw thread fit, the upside of first movable block with the upside of second movable block all is provided with the fixed plate, wherein first movable block with adjacent the fixed plate rigid coupling, the upside of fixed plate has the locating lever of symmetric distribution through the connecting piece rigid coupling, locating lever and the locating hole sliding fit of frame, the cutting platform is provided with the spout of symmetric distribution, the threaded rod passes the second movable block, just the threaded rod with first movable block screw thread fit, wherein the upside of second movable block all is provided with the fixed plate.
As an improvement of the scheme, the distance between the positioning rods on the same side of the two fixing plates is the same as the distance between the non-adjacent positioning holes on the same side of the adjacent lead frames.
As the improvement of above-mentioned scheme, supporting component is including biax motor, biax motor rigid coupling is in the neighborhood the fixed plate is kept away from one side of movable plate, the locating lever is provided with the through-hole, the through-hole internal rotation of locating lever is connected with the adapter sleeve, the adapter sleeve with be adjacent through gear train transmission between the last adjacent output shaft of biax motor, adapter sleeve threaded connection has the movable rod, the movable rod is kept away from the neighborhood the one end rigid coupling of fixed plate has the toper piece, the locating lever is kept away from the neighborhood one side spacing sliding connection of fixed plate has circumference evenly distributed's supporting shoe, supporting shoe and adjacent toper piece sliding connection just supporting shoe and adjacent toper piece extrusion fit, one side of movable plate is provided with spacing part, spacing part is used for fixing the second removes the piece.
As an improvement of the scheme, the threads on the connecting sleeve are internal threads, the diameter of the through hole of the positioning rod is larger than the large diameter of the threaded part on the moving rod, and the height of the connecting sleeve, the height of the threads on the positioning rod and the height of the conical block are equal.
As the improvement of above-mentioned scheme, spacing part is including the connection shell, the connection shell pass through the connecting piece rigid coupling in one side of movable plate, the inside sliding connection of connection shell has the stopper, the stopper is kept away from one side that the winding was rolled up is provided with the inclined plane, the stopper with first movable block extrusion cooperation, the stopper with the rigid coupling has the second elastic component between the connection shell, the second movable block be close to one side of connection shell be provided with stopper spacing complex spacing groove, just the second movable block be close to one side of connection shell and on the connection shell the inclined groove be close to one side of first movable block all be provided with stopper extrusion complex inclined plane.
As the improvement of the scheme, the upper inclined surface of the limiting block and the upper inclined surface of the second moving block are symmetrically distributed, and the inclined surface in the limiting groove of the second moving block is the same as the inclined direction of the upper inclined surface of the limiting block.
As the improvement of above-mentioned scheme, still including adjustment mechanism, adjustment mechanism is used for changing the position of guiding axle, adjustment mechanism set up in the upside of second movable block, adjustment mechanism is including the stock solution shell, the stock solution shell rigid coupling in one side that the second movable block kept away from the movable plate, the second movable block with adjacent fixed plate sliding connection, sliding connection has the extrusion piece in the stock solution shell, the extrusion piece with adjacent the fixed plate rigid coupling, the second movable block with adjacent rigid coupling has the third elastic component between the fixed plate, one side of mounting panel is inlayed and is had the stock solution pipe, the inside sliding connection of stock solution pipe has the pushing disc, the upside rigid coupling of pushing disc has the dead lever, the dead lever with one of them adjacent connecting block rigid coupling on the spliced pole, the symmetric distribution the spliced pole respectively with adjacent connecting block sliding connection.
A lead frame cutting method based on the technical scheme comprises the following steps:
s1, moving the pretreated winding roll to the right side of a cutting table, enabling one end of a lead frame on the winding roll to bypass a guide shaft and a guide device on a mounting plate, and moving two leftmost positioning holes of the lead frame to the position above left adjacent positioning rods;
s2, the control terminal starts the electric telescopic frame, and drives the two positioning rods on the right side to synchronously move upwards through the transmission of other parts connected with the electric telescopic frame until the two positioning rods on the right side extend into adjacent positioning holes on the adjacent lead frames, and the electric telescopic frame is stopped;
S3, when the electric telescopic frame moves upwards to the limit position, the control terminal starts a double-shaft motor on the right side, the double-shaft motor drives two adjacent groups of supporting blocks to open, the two groups of supporting blocks fix the adjacent lead frames, and the double-shaft motor on the right side is stopped;
S4, after the adjacent lead frames are fixed, the control terminal starts a third motor, the third motor drives the adjacent fixed plates to synchronously move through the threaded rod, the first moving block, the two first elastic pieces and the second moving block, the fixed plates move the adjacent lead frames to the cutting positions through the transmission of the adjacent two positioning rods, and then the third motor is stopped;
S5, after the lead frame is moved to the slitting position, the control terminal starts a second motor, an output shaft of the second motor drives the gland to move downwards through the transmission of the direct-current gear set and the transmission rod, the gland and the cutting table are matched with each other to clamp and flatten the adjacent lead frame, and then the second motor is stopped;
S6, after the lead frame is fixed, the control terminal sequentially reversely starts the right double-shaft motor and the electric telescopic frame, so that the two groups of support blocks, the movable plate and other parts connected with the movable plate are reset to initial positions, and then the right double-shaft motor and the electric telescopic frame are sequentially stopped;
S7, after the movable plate is reset to an initial position, the control terminal starts a first motor, an output shaft of the first motor drives the cutting knife to move downwards through the cam, the driving wheel and the connecting rod, the cutting knife cuts the joint of two adjacent lead frames, and the lead frames are cut off;
And S8, after the lead frame is cut, the control terminal sequentially reversely starts the first motor and the second motor, sequentially resets the cutting knife and the gland to the initial position, then the control terminal sequentially starts the electric telescopic frame again, the steps are repeated, the cut lead frame is conveyed to the next operation flow, meanwhile, the next lead frame to be cut is conveyed to the cutting position, and the cutting knife is used for cutting the rest lead frames.
The invention has the advantages that 1, the thickness of the lead frame is detected, the position of the first motor is further adjusted, the transmission ratio between the cam and the driving wheel is changed, and the downward moving speed of the cutting knife can be adjusted along with the thickness of the lead frame, so that the abrasion of the cutting knife in the cutting process is reduced.
2. Clamping is carried out on the lead frame through the mutual cooperation of the gland and the cutting table, and meanwhile, the lead frame is flattened, so that the flatness of the lead frame after cutting is ensured.
3. The lead frame is driven to move through the positioning rod, the lead frame positioned on the winding roll is pulled out, so that the cut lead frame is supplemented, the positioning accuracy of the device to the lead frame is improved, the uniformity of the cutting size of a product is guaranteed, the stability of the product quality is guaranteed, and the cutting rejection rate of the product is reduced.
4. When the lead frame is reduced on the winding roll, the lead frame is discharged from the reserved buffer part between the cutting table guide device and the winding roll, so that the positioning rod can normally drive the lead frame to move, the situation that the positioning hole is deformed on the lead frame due to the extrusion of the positioning rod to the positioning hole on the lead frame is avoided, and the quality of the lead frame is damaged is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the trigger mechanism of the present invention;
FIG. 3 is a schematic perspective view of a liquid storage ring and a movable ring according to the present invention;
FIG. 4 is a schematic perspective view of a transport mechanism according to the present invention;
FIG. 5 is a schematic perspective view of a first moving block and a second moving block according to the present invention;
FIG. 6 is a schematic perspective view showing the connection between the second movable block and the fixed plate according to the present invention;
FIG. 7 is a schematic perspective view of the internal components of the locating lever of the present invention;
FIG. 8 is a schematic perspective view of a conical block and support block of the present invention;
FIG. 9 is a schematic perspective view of a spacing member of the present invention;
FIG. 10 is a schematic perspective view of an adjustment mechanism according to the present invention;
fig. 11 is a schematic perspective view of a liquid storage tube and a pushing disc according to the present invention.
The reference number of the drawing is 1-mounting plate, 2-cutting table, 3-fixed column, 4-winding reel, 401-connecting column, 402-guiding shaft, 5-cutting knife, 6-first motor, 7-cam, 8-connecting rod, 9-driving wheel, 10-second motor, 11-driving rod, 12-gland, 13-liquid storage ring, 14-moving ring, 15-hydraulic telescopic rod, 20-electric telescopic frame, 21-moving plate, 22-third motor, 23-first moving block, 24-second moving block, 241-first elastic piece, 242-threaded rod, 25-fixed plate, 26-positioning rod, 30-biaxial motor, 31-connecting sleeve, 32-moving rod, 33-conical block, 34-supporting block, 40-connecting shell, 41-limiting block, 42-second elastic piece, 50-liquid storage shell, 51-pressing block, 52-third elastic piece, 53-liquid storage tube, 54-pushing plate and 55-fixed rod.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present application and are not intended to limit the scope of the present application. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
In embodiment 1, considering that the pressure fed back to the cutting device by the lead frame is increased when the thicker lead frame is cut in the cutting process of the lead frame, if the feeding speed of the cutting device is unchanged, the abrasion speed of the cutting device is increased, the service life of the cutting device is reduced, and the cutting speed and the overall cutting quality of the cutting device are also influenced, so that the quality of the cut lead frame is influenced.
1-3, A lead frame cutting device, please refer to fig. 1-3 and read this section, including mounting panel 1, one side of mounting panel 1 is provided with control terminal, control terminal is current device, no longer show in the drawing, the upside rigid coupling of mounting panel 1 has cutting table 2, cutting table 2 is used for placing the lead frame, the upside rigid coupling of mounting panel 1 has two fixed posts 3 of front and back symmetric distribution, two fixed posts 3 are located the front and back both sides of cutting table 2 respectively, the right side of mounting panel 1 is provided with winding reel 4, winding reel 4 is gone up and is equipped with the lead frame reel, lead frame on winding reel 4 all is provided with four locating holes of rectangular array, the right side rigid coupling of mounting panel 1 has two spliced poles 401 of front and back symmetric distribution, the upside of two spliced poles 401 all is provided with the connecting block, two spliced poles 401 are through adjacent connecting block joint rotation, the lead frame walks around guiding axle 402, the upside of mounting panel 1 is provided with guiding device, guiding device and guiding axle are mutually supported for guiding the removal of lead frame on winding reel 4, the upside of two fixed posts 3 is provided with guiding roller 5, the cutting knife 5 is connected with cutting wheel 5 by the side of cutting roller 5, the end of cutting roller 5 is connected with cutting roller 5 through the connecting rod 8, the end of cutting roller 5 is connected with cutting roller 8 through the end of cutting roller 5 is connected with cutting roller 5 through the connecting rod 8 in sliding 6, the output shaft of the first motor 6 drives the driving wheel 9 to synchronously rotate through the transmission of the cam 7, meanwhile, the transmission ratio between the cam 7 and the driving wheel 9 is changed through the adjustment of the position of the first motor 6, a trigger mechanism for changing the position of the first motor 6 is arranged on the upper side of the mounting plate 1, and a conveying mechanism for conveying lead frames is arranged on the upper side of the mounting plate 1.
As shown in fig. 1-3, the triggering mechanism comprises a second motor 10, the second motor 10 is electrically connected with a control terminal, the second motor 10 is fixedly connected to the front side of the mounting plate 1, the front side of the mounting plate 1 is rotationally connected with a transmission rod 11, the transmission rod 11 is driven by a spur gear set to drive an output shaft of the first motor 6 to synchronously rotate, the transmission rod 11 is in threaded connection with a gland 12, the gland 12 is slidably connected with the mounting plate 1, the transmission rod 11 is driven by threaded transmission to synchronously move through the gland 12 in the rotating process, a liquid storage ring 13 is fixedly connected to the rear side of the mounting plate 1, hydraulic oil is stored in the liquid storage ring 13, a moving ring 14 fixedly connected with the gland 12 is slidably connected in the liquid storage ring 13, the gland 12 is driven to synchronously move downwards in the downward process of the downward movement, the hydraulic oil in the liquid storage ring 13 is extruded, a hydraulic telescopic rod 15 is fixedly connected to the telescopic end of the first motor 6 through the transmission rod 3 on the rear side, the telescopic end of the hydraulic telescopic rod 15 is used for driving the first motor 6 and parts connected to the first motor 6 through the telescopic rod 15 are synchronously moved in the downward direction of the telescopic rod 13, and the telescopic rod 15 is fixedly connected to the telescopic rod 13 through the telescopic rod 13, and the telescopic rod 15 is fixedly connected to the telescopic rod 13 through the telescopic rod 13.
As shown in fig. 1 and fig. 4-fig. 6, the transport mechanism includes an electric telescopic frame 20, the electric telescopic frame 20 is electrically connected with a control terminal, and the electric telescopic frame 20 is an existing device, the moving process of the electric telescopic frame is not described in detail, the electric telescopic frame 20 is installed on the upper side of the mounting plate 1, a moving plate 21 is installed on the upper side of the electric telescopic frame 20, the electric telescopic frame 20 is used for driving the moving plate 21 to move up and down, a third motor 22 electrically connected with the control terminal is fixedly connected on the upper side of the right part of the moving plate 21, a first moving block 23 and a second moving block 24 are slidingly connected on the upper side of the moving plate 21, two first elastic pieces 241 which are symmetrically distributed in front-back are fixedly connected between the first moving block 23 and the second moving block 24, the first elastic pieces 241 are tension springs, the upper side of the moving plate 21 is rotationally connected with a threaded rod 242, the threaded rod 242 is fixedly connected with an output shaft of the third motor 22, the output shaft of the third motor 22 drives the threaded rod 242 to rotate synchronously, the threaded rod 242 passes through the second moving block 24, the threaded rod 242 is in threaded fit with the first moving block 23, the threaded rod 242 drives the first moving block 23 to synchronously move through the transmission of threads in the rotating process, the first moving block 23 drives the second moving block 24 to synchronously move through the transmission of two first elastic pieces 241, the upper side of the first moving block 23 and the upper side of the second moving block 24 are both provided with the fixed plates 25, wherein the first moving block 23 is fixedly connected with the adjacent fixed plates 25, the first moving block 23 and the second moving block 24 respectively drive the adjacent fixed plates 25 to synchronously move in the moving process, the upper side of the fixed plates 25 is fixedly connected with two positioning rods 26 which are distributed in a front-back symmetrical way through connecting pieces, the two positioning rods 26 on the same fixed plate 25 are arranged into a group, the positioning rods 26 are in sliding fit with the adjacent positioning holes on the left side of the adjacent lead frames, the distance between two groups of positioning rods 26 is the same as the distance between two non-adjacent positioning holes on the same side on two adjacent lead frames, the two positioning rods 26 in the same group are mutually matched to drive the lead frames to move leftwards together, the cutting table 2 is provided with two sliding grooves in front and back, the positioning rods 26 slide in the adjacent sliding grooves on the cutting table 2, and the fixing plate 25 is provided with a supporting component used for fixing the lead frames and the adjacent positioning rods 26.
As shown in fig. 6 to 8, the supporting assembly comprises a double-shaft motor 30 electrically connected with the control terminal, the double-shaft motor 30 is fixedly connected to the upper side of the adjacent fixed plate 25, the positioning rod 26 is provided with a through hole, the through hole of the positioning rod 26 is rotationally connected with a connecting sleeve 31, the connecting sleeve 31 and the adjacent output shafts on the adjacent double-shaft motor 30 are driven by a bevel gear set, the two output shafts of the double-shaft motor 30 respectively drive the adjacent connecting sleeve 31 to rotate by the transmission of the adjacent bevel gear set, the connecting sleeve 31 is in threaded connection with a moving rod 32, the upper end of the moving rod 32 is fixedly connected with a conical block 33, the upper side limiting slide of the positioning rod 26 is connected with a group of supporting blocks 34, each group of supporting blocks 34 is provided with four uniformly distributed circumferentially, the supporting blocks 34 are in sliding connection with the adjacent conical blocks 33, the positioning rod 26 is mutually matched with the adjacent group of supporting blocks 34 to limit the adjacent conical blocks 33, simultaneously, the conical blocks 33 limit the adjacent movable rods 32, so that the movable rods 32 cannot rotate along with the adjacent connecting sleeves 31, when the connecting sleeves 31 rotate, the connecting sleeves 31 drive the adjacent movable rods 32 and other parts connected with the adjacent movable rods 32 to synchronously move (move up and down) through the transmission of threads, the supporting blocks 34 are in extrusion fit with the adjacent conical blocks 33, the movable rods 32 drive the adjacent conical blocks 33 to synchronously move in the moving process, and the adjacent group of supporting blocks 34 are propped up, the distance between the opposite sides of the adjacent group of supporting blocks 34 is gradually increased, the threads on the connecting sleeves 31 are internal threads, the diameter of the through holes of the positioning rods 26 is larger than the large diameter of the threaded parts on the movable rods 32, the influence of the diameter of the through holes of the positioning rods 26 on the normal movement of the movable rods 32 is avoided, the height of the connecting sleeves 31, the height of the threads on the positioning rods 26 and the height of the conical blocks 33 are equal, when the moving rod 32 moves to the limit position, the adjacent connecting sleeve 31 and the adjacent conical block 33 synchronously move to the limit position, and when the conical block 33 moves downwards to the limit position, the distance between the adjacent group of supporting blocks 34 is the maximum distance, and one side of the moving plate 21 is provided with a limiting part used for fixing the second moving block 24.
As shown in fig. 5, fig. 6 and fig. 9, the limiting component comprises a connecting shell 40, the connecting shell 40 is fixedly connected to the front side of the moving plate 21 through a connecting piece, a limiting block 41 is slidably connected to the inside of the connecting shell 40, an inclined surface is arranged on the left side of the limiting block 41, the limiting block 41 is in extrusion fit with the first moving block 23, a second elastic piece 42 is fixedly connected between the limiting block 41 and the connecting shell 40 in an initial position, the second elastic piece 42 is a spring, the second elastic piece 42 is in a compressed state in the initial position, when the first moving block 23 moves leftwards to a position where the limiting block 41 is out of contact, the second elastic piece 42 drives the limiting block 41 to move backwards, a limiting groove in limit fit with the limiting block 41 is formed in the front side of the second moving block 24, an inclined surface in extrusion fit with the limiting block 41 is formed on the left side of the second moving block 24, the limiting block 41 is extruded on the right side of the limiting block 41 in the process of moving block 24 in an initial position, the limiting block 41 is moved inwards to the connecting shell 40, the left side of the limiting block 41 is arranged on the left side of the limiting block 24 in the limit groove, and the second moving block 24 is in the same direction as the limiting block 24 in the direction of the second inclined surface, and the limiting block 24 is extruded on the second inclined surface in the limit block 24, and the second inclined surface is matched with the limiting block 24 in the left direction, and the second inclined surface in the limit groove is in the limit direction of the limit block 24, when the limit block 24 is matched with the second inclined surface, and the limiting block 24 is in the left in the direction, and the limit groove is in the limit direction of the limit groove.
When the device is used for slitting the lead frames, a worker moves the pretreated winding roll 4 to the right side of the cutting table 2 by means of the existing transport means, one end of the lead frame on the winding roll 4 bypasses the guide shaft 402 and the guide device on the mounting plate 1, two left positioning holes on the first lead frame are moved to positions perpendicular to adjacent right positioning rods 26 respectively, then the control terminal starts the electric telescopic frame 20, the electric telescopic frame 20 drives the moving plate 21 to move upwards, and the moving plate 21 drives the four positioning rods 26 to move upwards synchronously by the transmission of other parts connected with the electric telescopic frame 20.
When the moving plate 21 moves upwards to the limit position, the control terminal stops the electric telescopic frame 20, at this time, the two positioning rods 26 on the right side are respectively located in the adjacent positioning holes on the left side of the first lead frame, then the control terminal starts the double-shaft motor 30 on the right side, the output shafts of the double-shaft motor 30 drive the adjacent two connecting sleeves 31 to synchronously rotate through the transmission of the bevel gear group, the connecting sleeves 31 drive the adjacent moving rods 32 to move downwards through the transmission of the internal threads, the moving rods 32 drive the adjacent conical blocks 33 to move downwards, the conical blocks 33 press the adjacent group of supporting blocks 34 in the downward moving process, the group of supporting blocks 34 are respectively separated from each other along the positioning rods 26, until the outer side walls of the group of supporting blocks 34 are contacted with the inner walls of the adjacent positioning holes on the left side of the first lead frame, the double-shaft motor 30 on the right side is controlled to stop the terminal, the two groups of supporting blocks 34 on the right side are fixed at the position, the left side of the first lead frame is mutually matched with the two groups of supporting blocks 34 on the right side, the left side of the first lead frame is positioned through the internal threads, the adjacent conical blocks 33 in the subsequent moving process, the first lead frame is moved along the cutting table 2, and the situation of the first lead frame is prevented from moving in the moving process.
When the control terminal stops the right double-shaft motor 30, the control terminal synchronously starts the third motor 22, the output shaft of the third motor 22 drives the first moving block 23 to synchronously move leftwards through the transmission of the threaded rod 242, the first moving block 23 drives the second moving block 24 to synchronously move leftwards through the transmission of the two first elastic pieces 241, the second moving block 24 drives the adjacent fixed plate 25 to synchronously move leftwards, the fixed plate 25 pulls the first lead frame leftwards through the transmission of the adjacent two positioning rods 26, and a part of the lead frame positioned on the winding roll 4 is pulled out to supplement the cut lead frame.
In the process that the first moving block 23 drives the second moving block 24 to move leftwards, when the first moving block 23 moves leftwards to a position where the limiting block 41 is out of contact, the limiting block 41 moves backwards under the action of the second elastic piece 42 until the second elastic piece 42 is relaxed to a limit length, the limiting block 41 stops moving, when the inclined surface on the left side of the second moving block 24 contacts the limiting block 41, the inclined surface on the left side of the second moving block 24 presses the limiting block 41 in the moving process, so that the limiting block 41 moves into the connecting shell 40, and the second elastic piece 42 is compressed and accumulated until the second moving block 24 moves leftwards to a position where the limiting groove on the second moving block 24 contacts the limiting block 41, the limiting block 41 moves backwards again under the action of the second elastic piece 42, and the limiting block 41 limits the second moving block 24, so that the second moving block 24 cannot continue leftwards along with the first moving block 23, and at the moment, the connecting position of the first lead frame and the second lead frame is located above the groove of the cutting table 2.
When the second moving block 24 stops moving leftwards, the first moving block 23 continues to move leftwards to stretch and store the two first elastic pieces 241 until the first elastic pieces 241 are stretched to the limit state, the first moving block 23 moves leftwards to the limit position, then the control terminal stops the third motor 22 and simultaneously starts the second motor 10, the output shaft of the second motor 10 drives the transmission rod 11 to synchronously rotate through the transmission of the direct-current gear set, the transmission rod 11 drives the pressing cover 12 to move downwards through the transmission of the threads until the pressing cover 12 moves downwards until the lower side of the pressing cover 12 contacts with the upper side of the first lead frame, the control terminal stops the second motor 10, the pressing cover 12 and the cutting table 2 mutually cooperate to clamp the first lead frame, and simultaneously flattens the first lead frame, so that the flatness of the lead frame after cutting is ensured.
In the process of downward movement of the gland 12, the gland 12 drives the movable ring 14 to synchronously move downward, hydraulic oil in the liquid storage ring 13 is extruded by the movable ring 14, and then the extruded hydraulic oil in the movable ring 14 flows into the hydraulic telescopic rod 15 through the adjacent connecting pipe, so that the telescopic end of the hydraulic telescopic rod 15 drives the first motor 6 to move upward along the adjacent fixed column 3, the first motor 6 drives the cam 7 to synchronously move upward, so as to change the contact position of the cam 7 and the driving wheel 9, further change the transmission ratio between the cam 7 and the driving wheel 9, further change the rotating speed of the connecting rod 8, and after the second motor 10 is stopped at the control terminal, the first motor 6 does not move upward any more, so that the downward movement speed of the cutting knife 5 can be adjusted along with the thickness of the lead frame, the abrasion of the cutting knife 5 in the cutting process is reduced, and the service life of the cutting knife 5 is prolonged.
When the control terminal stops the second motor 10, the control terminal reversely starts the right double-shaft motor 30, and the output shaft of the right double-shaft motor 30 drives the adjacent two groups of support blocks 34 to reset to the initial position, so that the two groups of support blocks 34 on the right lose contact with the left positioning holes on the first lead frame, and after the two groups of support blocks 34 on the right reset to the initial position, the control terminal stops the right double-shaft motor 30.
When the control terminal stops the right double-shaft motor 30, the control terminal reversely starts the electric telescopic frame 20, the electric telescopic frame 20 drives the moving plate 21 and other parts connected with the moving plate 21 to reset downwards, until the moving plate 21 resets to the initial position, the control terminal stops the electric telescopic frame 20, meanwhile, the control terminal reversely starts the third motor 22, the output shaft of the third motor 22 drives the first moving block 23 to reset rightwards through the transmission of the threaded rod 242, the pulling force borne by the two first elastic pieces 241 is gradually reduced in the rightward moving process of the first moving block 23, the two first elastic pieces 241 are gradually reset to the initial state, when the two first elastic pieces 241 are reset to the initial state, the first moving block 23 drives the second moving block 24 to synchronously move rightwards through the transmission of the two first elastic pieces 241, meanwhile, the inclined surface on the left side in the limiting groove of the second moving block 24 extrudes the inclined surface on the left side of the limiting block 41 in the limiting groove in the rightward moving process of the second moving block 24, the limiting block 41 moves inwards the limiting block 41, and the second elastic pieces 42 are compressed and accumulated.
Until the stopper 41 loses contact with the second moving block 24, the stopper 41 moves backward again under the action of the second elastic member 42, until the first moving block 23 moves rightward to a position where the right side thereof is in oblique contact with the left side of the stopper 41, the first moving block 23 moves rightward to press the stopper 41, so that the stopper 41 moves inward of the connection housing 40 again, until after the first moving block 23 and the second moving block 24 are both reset to the initial positions, the control terminal turns off the third motor 22, at this time, the first moving block 23 is in contact with the stopper 41, and maintains the stopper 41 in that position (i.e., the stopper 41 is located in the connection housing 40), and at this time, the two positioning holes on the left side of the first lead frame are respectively located above the left adjacent positioning rods 26.
After the control terminal stops the third motor 22, the control terminal starts the first motor 6, the output shaft of the first motor 6 drives the connecting rod 8 to synchronously rotate through the transmission of the cam 7 and the transmission wheel 9, the connecting rod 8 drives the cutting knife 5 to move downwards through the transmission of the threads, and the cutting knife 5 cuts the joint of the first lead frame and the second lead frame to cut down the first lead frame.
After the first lead frame is cut, the control terminal reversely starts the first motor 6 and the second motor 10, the first motor 6 resets the cutting knife 5 to the initial position, the second motor 10 resets the gland 12 to the initial position, the control terminal stops the first motor 6 and the second motor 10, then the control terminal starts the electric telescopic frame 20 again, the electric telescopic frame 20 drives the moving plate 21 and other parts connected with the moving plate 21 to move upwards synchronously again, until the electric telescopic frame 20 moves upwards to the limit position, the two locating rods 26 on the left side are respectively located in the locating holes adjacent to the left side of the first lead frame, the two locating rods 26 on the right side are respectively located in the locating holes adjacent to the left side of the second lead frame, then the control terminal starts the third motor 22 again, the second moving block 24 moves the joint of the second lead frame and the third lead frame to the cutting position, and the first lead frame which is cut down is guided by the first moving block 23 to the left side of the cutting table 2 (the specific process is not described in detail, the left side motor 30 and the right side can be transported by the same as the normal operation device is carried out by the device, and the normal operation of the device is ensured by the following the normal operation of the transporting process).
In the process of synchronously transporting the lead frames by the second moving block 24 and the first moving block 23, the supporting and positioning of the left two groups of supporting blocks 34 to the first lead frame and the supporting and positioning of the right two groups of supporting blocks 34 to the second lead frame are performed, so that the accuracy of positioning the lead frames by the device is improved, meanwhile, the adjacent two lead frames always keep the same distance in the moving process, the cut lead frames are prevented from colliding with the lead frames which are not cut, the uniformity of the cutting size of products is guaranteed, the stability of the product quality is guaranteed, and the cutting rejection rate of the products is reduced.
In this embodiment, two connection columns 401 are fixedly connected to adjacent connection blocks, respectively, and in embodiment 2, two connection columns 401 are slidably connected to adjacent connection blocks, respectively.
In the case of the conventional lead frame dicing apparatus, when the lead frame wound around the winding reel is transported to the dicing position, the conveyor and the lead frame are rigidly connected to each other, and when the force required to stretch the lead frame is large, the rigid connection between the conveyor and the lead frame easily stretches the lead frame, and the lead frame is stretched and deformed.
On the basis of embodiment 1, as shown in fig. 5, 10 and 11, the device further comprises an adjusting mechanism for changing the position of the guide shaft 402, the adjusting mechanism is arranged on the upper side of the second moving block 24, the adjusting mechanism comprises a liquid storage shell 50, hydraulic oil is filled in the liquid storage shell 50, the liquid storage shell 50 is fixedly connected to the right side of the upper part of the second moving block 24, the second moving block 24 is slidably connected with the adjacent fixed plate 25, an extrusion block 51 is slidably connected in the liquid storage shell 50, the extrusion block 51 is fixedly connected with the adjacent fixed plate 25, the extrusion block 51 is driven by the fixed plate 25 to synchronously move, hydraulic oil in the liquid storage shell 50 is extruded by the extrusion block 51, a third elastic piece 52 which is symmetrically distributed in front-back direction is fixedly connected between the second moving block 24 and the adjacent fixed plate 25, the third elastic piece 52 is a spring, the third elastic piece 52 is used for maintaining the initial position of the adjacent fixed plate 25, and the fixed plate 25 after driving to move is reset to the initial position, the liquid storage pipe 53 is inlaid on the right side of the upper part of the mounting plate 1, the liquid storage pipe 53 is communicated with the liquid storage shell 50 through a connecting pipe, hydraulic oil extruded in the liquid storage shell 50 is conveyed into the liquid storage pipe 53 through the connecting pipe, a push disc 54 is slidingly connected in the liquid storage pipe 53, the position of the connecting pipe communicated with the liquid storage pipe 53 is positioned on the upper side of the push disc 54, the push disc 54 is extruded by the hydraulic oil to move downwards, a fixed rod 55 is fixedly connected on the upper side of the push disc 54, the fixed rod 55 is fixedly connected with a connecting block on the front connecting column 401, the push disc 54 drives a guide shaft 402 to synchronously move downwards through the transmission of the fixed rod 55 in the downward moving process, and further the buffer part reserved between a guide device on the cutting table 2 and the winding coil 4 of a lead frame is discharged, the two connecting columns 401 are respectively slidingly connected with the adjacent connecting blocks, for guiding the guide shaft 402, after the lead frame on the winding reel 4 bypasses the guide device and the guide shaft 402, the guide device is matched with the guide shaft 402, and a buffer part is reserved for the lead frame on the winding reel 4.
In the process of pulling out the lead frame on the winding roll 4 by the two positioning rods 26 on the right side, the two positioning rods 26 on the right side respectively squeeze the adjacent positioning holes on the adjacent lead frame, meanwhile, the two positioning holes on the left side on the lead frame also exert opposite acting forces on the two positioning rods 26, so that the two positioning rods 26 are stressed to drive the adjacent fixing plate 25 to move rightwards relative to the second moving block 24, and the right fixing plate 25 compresses and stores the two third elastic pieces 52 in the moving process, meanwhile, the right fixing plate 25 drives the extrusion block 51 to synchronously move rightwards in the moving process, and hydraulic oil stored in the liquid storage shell 50 is extruded outwards by the extrusion block 51.
After the extrusion block 51 extrudes the hydraulic oil stored in the liquid storage shell 50, the extruded hydraulic oil in the liquid storage shell 50 is conveyed into the liquid storage tube 53 through the transmission of the adjacent connecting tubes, so that the push disc 54 is extruded to move downwards, the push disc 54 drives the fixing rod 55 to move downwards, the fixing rod 55 drives the guide shaft 402 to move downwards synchronously along the two connecting columns 401, the height of the guide shaft 402 is reduced, the buffer part reserved between the guide device on the cutting table 2 and the winding roll 4 of the lead frame is further discharged, the two positioning rods 26 on the right side can normally drive the adjacent lead frame to move leftwards, and the situation that the two positioning holes on the left side of the adjacent lead frame are deformed due to extrusion of the two positioning rods 26 on the adjacent lead frame is avoided, so that the quality of the lead frame is damaged is avoided.
Until the second moving block 24 and the first moving block 23 are moved to the left to the limit position, the control terminal stops the third motor 22, fixes the second moving block 24 and the first moving block 23 at the position, and when the control terminal stops the third motor 22, the two positioning rods 26 on the right slowly reset to the left under the combined action of the two third elastic members 52, and drive the fixing rods 55 and the guide shafts 402 to slowly reset upwards, slowly pull out the rest lead frames on the winding roll 4, and simultaneously, move the connection part of the left uncut lead frames and the adjacent lead frames to the cutting position while reserving the buffer part again.
After the two third elastic members 52 are reset to the initial positions, the control terminal starts the second motor 10 according to the operation, the second motor 10 drives the pressing cover 12 to move downwards, the pressing cover 12 presses and fixes the lead frames to be cut, then the control terminal resets the two positioning rods 26 on the right side and other parts connected with the positioning rods to the initial positions according to the operation, and cuts the rest lead frames according to the operation.
Embodiment 3 based on embodiment 2, as shown in fig. 1 to 11, a lead frame splitting method, based on the above technical scheme, includes the following steps:
S1, moving the pretreated winding roll 4 to the right side of a cutting table 2, bypassing one end of a lead frame on the winding roll 4 by a guide shaft 402 and a guide device on a mounting plate 1, and moving two leftmost positioning holes of the lead frame to the upper side of a left adjacent positioning rod 26;
S2, the control terminal starts the electric telescopic frame 20, and drives the two positioning rods 26 on the right side to synchronously move upwards by the electric telescopic frame 20 through the transmission of other parts connected with the electric telescopic frame until the two positioning rods 26 on the right side extend into adjacent positioning holes on adjacent lead frames, and closes the electric telescopic frame 20;
S3, when the electric telescopic frame 20 moves upwards to the limit position, the control terminal starts the right double-shaft motor 30, the double-shaft motor 30 drives the two adjacent groups of supporting blocks 34 to open, the two groups of supporting blocks 34 fix the adjacent lead frames, and the right double-shaft motor 30 is stopped;
S4, after the adjacent lead frames are fixed, the control terminal starts the third motor 22, the third motor 22 drives the adjacent fixed plates 25 to synchronously move through the threaded rod 242, the first moving block 23, the two first elastic pieces 241 and the second moving block 24, the fixed plates 25 drive the adjacent lead frames to move to the slitting position through the transmission of the adjacent two positioning rods 26, and then the third motor 22 is stopped;
s5, after the lead frame is moved to a slitting position, the control terminal starts a second motor 10, an output shaft of the second motor 10 drives a gland 12 to move downwards through the transmission of a direct-current gear set and a transmission rod 11, the gland 12 is matched with the cutting table 2 to clamp and flatten the adjacent lead frame, and then the second motor 10 is stopped;
S6, after the lead frame is fixed, the control terminal sequentially reversely starts the right double-shaft motor 30 and the electric telescopic frame 20, so that the two groups of supporting blocks 34, the moving plate 21 and other parts connected with the supporting blocks are reset to initial positions, and then sequentially stops the right double-shaft motor 30 and the electric telescopic frame 20;
S7, after the movable plate 21 is reset to the initial position, the control terminal starts the first motor 6, an output shaft of the first motor 6 drives the cutting knife 5 to move downwards through the cam 7, the driving wheel 9 and the connecting rod 8, and the cutting knife 5 cuts the joint of two adjacent lead frames to cut down the lead frames;
And S8, after the lead frame is cut, the control terminal sequentially reversely starts the first motor 6 and the second motor 10, sequentially resets the cutting knife 5 and the gland 12 to the initial position, then the control terminal sequentially starts the electric telescopic frame 20 again, the steps are repeated, the cut lead frame is conveyed to the next operation flow, meanwhile, the lead frame to be cut is conveyed to the cutting position, and the cutting knife 5 cuts the rest lead frames.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (10)
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| CN202411806605.XA CN119282228B (en) | 2024-12-10 | 2024-12-10 | Lead frame cutting device and cutting method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119658000A (en) * | 2025-02-13 | 2025-03-21 | 江苏捷服科技有限公司 | Strip separator for thin strip sheet |
| CN120864194A (en) * | 2025-09-29 | 2025-10-31 | 泰州巨昌电子有限公司 | Material receiving device suitable for lead frame |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1187601A (en) * | 1997-07-08 | 1999-03-30 | Fujitsu Ltd | Semiconductor device, semiconductor device unit, and method of manufacturing semiconductor device unit |
| CN114589252A (en) * | 2022-03-15 | 2022-06-07 | 铜陵华锐科技有限公司 | Shearing mechanism is used in lead frame production |
| CN217551298U (en) * | 2022-07-07 | 2022-10-11 | 青岛增瑞特机械有限公司 | Steel band cutting equipment |
| CN217669000U (en) * | 2022-07-21 | 2022-10-28 | 四川明泰微电子有限公司 | Positioning tool for core sticking of lead frame |
| CN217942668U (en) * | 2022-08-30 | 2022-12-02 | 南阳市红阳车用配件有限公司 | Inner hole positioning tool for machining end face of connecting rod |
| CN218135265U (en) * | 2022-08-01 | 2022-12-27 | 江诠半导体(赣州)有限公司 | Cutting device is used in lead frame production |
| CN117123827A (en) * | 2023-10-26 | 2023-11-28 | 泰州神舟传动科技有限公司 | Automobile hub multi-station punching device |
-
2024
- 2024-12-10 CN CN202411806605.XA patent/CN119282228B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1187601A (en) * | 1997-07-08 | 1999-03-30 | Fujitsu Ltd | Semiconductor device, semiconductor device unit, and method of manufacturing semiconductor device unit |
| CN114589252A (en) * | 2022-03-15 | 2022-06-07 | 铜陵华锐科技有限公司 | Shearing mechanism is used in lead frame production |
| CN217551298U (en) * | 2022-07-07 | 2022-10-11 | 青岛增瑞特机械有限公司 | Steel band cutting equipment |
| CN217669000U (en) * | 2022-07-21 | 2022-10-28 | 四川明泰微电子有限公司 | Positioning tool for core sticking of lead frame |
| CN218135265U (en) * | 2022-08-01 | 2022-12-27 | 江诠半导体(赣州)有限公司 | Cutting device is used in lead frame production |
| CN217942668U (en) * | 2022-08-30 | 2022-12-02 | 南阳市红阳车用配件有限公司 | Inner hole positioning tool for machining end face of connecting rod |
| CN117123827A (en) * | 2023-10-26 | 2023-11-28 | 泰州神舟传动科技有限公司 | Automobile hub multi-station punching device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119658000A (en) * | 2025-02-13 | 2025-03-21 | 江苏捷服科技有限公司 | Strip separator for thin strip sheet |
| CN119658000B (en) * | 2025-02-13 | 2026-04-03 | 江苏捷服科技有限公司 | A thin strip sheet slitting machine |
| CN120864194A (en) * | 2025-09-29 | 2025-10-31 | 泰州巨昌电子有限公司 | Material receiving device suitable for lead frame |
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|---|---|
| CN119282228B (en) | 2025-03-25 |
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