CN115245997A

CN115245997A - Microcrystalline phosphorus copper ball material extrusion equipment

Info

Publication number: CN115245997A
Application number: CN202210879690.7A
Authority: CN
Inventors: 徐岳; 刘爽; 钟小芳; 邵悦颖; 倪姜
Original assignee: Jiangxi Jiangnan New Material Technology Co ltd
Current assignee: Jiangxi Jiangnan New Material Technology Co ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-10-28

Abstract

The invention relates to the technical field of phosphorus copper ball production, in particular to microcrystalline phosphorus copper ball material extrusion equipment which comprises a machine table, wherein a lower die is arranged at the middle section position of the upper side of the machine table, two door frames are symmetrically fixed at the two ends of the upper side of the machine table, a transverse plate is fixed at the upper sides of the two door frames, an upper hydraulic rod is inserted and installed at the middle section position inside the transverse plate, an upper die is fixed at the telescopic end of the upper hydraulic rod, end vertical plates are fixed at the middle section positions of the two ends of the upper side of the machine table, and end hydraulic rods are inserted and installed at the upper ends of the two end vertical plates. According to the invention, when the upper die moves upwards, the lifting column of the demoulding jacking mechanism is driven to move upwards through the demoulding linkage mechanism, so that the ejector block is driven to move upwards, the copper rod in the cavity of the lower die is ejected out by the ejector block, the rapid demoulding is realized, and the problem of difficult demoulding caused by the fact that the copper rod is clamped at the inner side of the die cavity due to extrusion force is prevented.

Description

Microcrystalline phosphor-copper ball material extrusion equipment

Technical Field

The invention relates to the technical field of phosphorus copper ball production, in particular to microcrystalline phosphorus copper ball material extrusion equipment.

Background

Printed circuit boards, also known as printed circuit boards, are providers of electrical connections of electronic components, and can be divided into single-sided boards, double-sided boards, four-sided boards, six-sided boards and other multilayer circuit boards according to the number of layers of the circuit boards. At present, the quality of the ball is improved through the processes of oblique rolling extrusion, hot extrusion rolling, cold extrusion balling and the like, so that the grain size of the phosphor-copper ball reaches the micron level. Before the phosphor copper ball is rolled and extruded to form the ball, the copper rod needs to be extruded.

According to the patent publication numbers: CN215785762U discloses an extruder for metal material processing, which comprises a base, wherein the upper end of the base is provided with a push plate, and the upper end of the push plate is provided with a metal material fixing component; the fixed subassembly of metal material includes fixed orifices, fixing bolt, splint, screw rod, mounting panel and fixed plate, wherein, the upper end of push pedal is provided with the fixed plate, the fixed plate passes through fixing bolt and push pedal fixed connection, the surface of push pedal is provided with the fixed orifices that the multiunit corresponds fixing bolt, the upper end of fixed plate is provided with the mounting panel, this patent is through having set up the fixed subassembly of metal material, this subassembly can avoid metal material when carrying out extrusion, because the problem of skew can appear in extrusion atress metal material, thereby the quality of metal material extrusion has been promoted, through having set up slider and spout, can promote the stability of splint in the removal process, search more than based on, combine prior art discovery, the mould of prior art is after accomplishing the material extrusion, the material card is easy in the die cavity inboard, cause the drawing of patterns difficulty, and prior art can not carry out the unloading to the material of extrusion completion automatically, at the bottom of the degree of automation, production efficiency has been reduced.

Disclosure of Invention

The invention aims to provide microcrystalline phosphor-copper ball material extrusion equipment to solve the problems in the background technology.

The technical scheme of the invention is as follows: the utility model provides a micrite phosphorus copper ball material extrusion equipment, includes the board, the upside of board is located middle section position department and installs the lower mould, and the upside of board is located both ends position department symmetry and is fixed with two gantries, two the upside of gantry is fixed with the diaphragm, the inside of diaphragm is located middle section position department and inserts and establish and install the hydraulic stem, the flexible end of going up the hydraulic stem is fixed with last mould, the upside both ends of board are located middle section position department and all are fixed with the tip riser, two the upper end of tip riser is all inserted and is established and install the tip hydraulic stem, two the flexible end of tip hydraulic stem all is fixed with tip extrusion post, the inside of lower mould is located middle section position department and has seted up the cavity, the ejector pad groove has been seted up to the upside of cavity, and the inboard bottom mounting of cavity has the fixed column, the upper end of fixed column slides and inserts and is equipped with the lift post, the upper end of lift post is fixed with the kicking block, the inboard looks adaptation in ejector pad and the ejector pad groove, be provided with demoulding mechanism between fixed column and the lift post, the one side of going up mould and lower mould is located both ends position department symmetry and is provided with two unloading mechanisms that the same structure.

Preferably, the demolding jacking mechanism comprises a screw rod rotatably connected to the lower end of the inner side of the fixed column and a transmission shaft rotatably inserted into one side of the lower end of the fixed column, the upper end of the screw rod is rotatably connected with the inside of the lifting column through threads, a driven bevel gear is fixed to the position, located at the lower end, of the outer side of the screw rod, a driving bevel gear located inside the fixed column is fixed to one end of the transmission shaft, the driving bevel gear is meshed with the driven bevel gear through teeth, and a demolding linkage mechanism is arranged between the other end of the transmission shaft and the upper mold and the lower mold.

Preferably, the drawing of patterns link gear is including the gear that is fixed in the transmission shaft other end and the rack dead lever that is fixed in the corresponding gear position department in last mould one side, lower extreme one side of rack dead lever is fixed with the rack, the rack passes through tooth and gear engagement, the lower extreme opposite side of rack dead lever is fixed with the support guide arm, the outside slip cover that supports the guide arm is equipped with the guide arm slider, the one end of guide arm slider is fixed with one side of lower mould.

Preferably, unloading mechanism corresponds the engaging lug of fixed L shape connecting rod position department including being fixed in fixed L shape connecting rod that lower mould one side is located one end position department and being fixed in last mould one side, the one end of engaging lug is rotated and is connected with the rocker, and the downside of engaging lug is fixed with the stopper, the one end of engaging lug is rotated and is connected with the gyro wheel, the downside one end of stopper is connected with tension spring, tension spring's upper end is connected with the downside of rocker, upper end one side of fixed L shape connecting rod is rotated and is connected with and rotates L shape connecting rod, the upper end one side of rotating L shape connecting rod is fixed with the linkage wedge.

Preferably, an extension wedge block is fixed at the lower end of the rotary L-shaped connecting rod.

Preferably, the lead angle of the screw and the lifting column is smaller than the friction angle.

Preferably, a supporting sliding plate is fixed at the lower end of the lifting column, and the supporting sliding plate is connected to the inner side of the fixed column in a sliding manner.

Preferably, two guide rods are fixed at two ends of the upper side of the upper die, and the two guide rods are inserted into the transverse plate in a sliding manner.

Preferably, four support columns which are arranged in a rectangular shape are fixed on the lower side of the machine table, and support bottom plates are fixed at the lower ends of the four support columns.

Preferably, the lower end of one side of the end vertical plate is fixed with a reinforcing plate, and the lower side of the reinforcing plate is fixed with the upper side of the machine table.

Compared with the prior art, the invention has the following improvements and advantages that:

one is as follows: according to the invention, when the upper die moves upwards, the rack fixing rod and the rack of the demoulding link mechanism are driven to move upwards, the rack drives the gear to rotate through threaded engagement, the gear drives the transmission shaft of the demoulding jacking mechanism to rotate, the transmission shaft drives the driving bevel gear to rotate, so that the driven bevel gear and the screw rod are driven to rotate, the screw rod rotates to drive the lifting column to move upwards through threaded engagement, so that the ejector block is driven to move upwards, the copper rod in the cavity of the lower die is ejected out by the ejector block, the rapid demoulding is realized, and the problem of difficult demoulding caused by the fact that the copper rod is clamped at the inner side of the cavity due to extrusion force is prevented.

The second step is as follows: according to the automatic blanking device, when the upper die moves upwards, the blanking mechanism can rotate the rotary L-shaped connecting rod of the blanking mechanism, and the lower end of the rotary L-shaped connecting rod pushes out the copper rod ejected out of the die cavity, so that the automatic blanking function can be realized, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional structural schematic view of the present invention;

FIG. 3 is an enlarged schematic view of the invention at A of FIG. 2;

FIG. 4 is an enlarged view of the structure of FIG. 1 at B according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 1 at C;

FIG. 6 is a schematic structural diagram of a stripper lift mechanism of the present invention;

FIG. 7 is a schematic forward partial cross-sectional structural view of the present invention;

fig. 8 is a front view of the present invention.

Reference numerals:

1. a machine platform; 2. a lower die; 3. a gantry; 4. a transverse plate; 5. an upper hydraulic rod; 6. an upper die; 7. an end vertical plate; 8. an end hydraulic rod; 9. an end extrusion column; 10. a cavity; 11. a top block groove; 12. a top block; 13. fixing a column; 14. a lifting column; 15. a screw; 16. a driven bevel gear; 17. a drive shaft; 18. a drive bevel gear; 19. a gear; 20. a rack fixing rod; 21. a rack; 22. fixing the L-shaped connecting rod; 23. rotating the L-shaped connecting rod; 24. prolonging the wedge block; 25. linking wedge blocks; 26. connecting lugs; 27. a rocker; 28. a roller; 29. a limiting block; 30. a tension spring; 31. a support guide rod; 32. a guide rod slider; 33. a guide bar; 34. a support column; 35. a reinforcing plate; 36. supporting the slide plate.

Detailed Description

The present invention is described in detail below, and technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a microcrystalline phosphor-copper ball material extrusion device through improvement, and the technical scheme of the invention is as follows:

as shown in fig. 1 to 8, an embodiment of the present invention provides an extrusion apparatus for microcrystalline phosphorus copper ball materials, including a machine table 1, a lower die 2 is installed at a middle position of an upper side of the machine table 1, two door frames 3 are symmetrically fixed at two end positions of the upper side of the machine table 1, a transverse plate 4 is fixed at upper sides of the two door frames 3, an upper hydraulic rod 5 is inserted and installed at a middle position of an inside of the transverse plate 4, an upper die 6 is fixed at a telescopic end of the upper hydraulic rod 5, end vertical plates 7 are fixed at two ends of the upper side of the machine table 1 at the middle position, end hydraulic rods 8 are inserted and installed at upper ends of the two end vertical plates 7, end extrusion columns 9 are fixed at telescopic ends of the two end hydraulic rods 8, a cavity 10 is opened at the middle position of an inside of the lower die 2, a top block groove 11 is opened at an upper side of the cavity 10, a fixed column 13 is fixed at a bottom end of an inner side of the cavity 10, a lifting column 14 is slidably inserted and a lifting column 14 is fixed at an upper end of the lifting column 14, a top block 12 is matched with an inner side of the top block groove 11, a lifting mechanism and a lower die unloading mechanism is arranged at a same side of the upper die 2.

Further, the drawing of patterns climbing mechanism is including rotating the screw rod 15 of connecting in fixed column 13 inboard lower extreme, and rotate and insert the transmission shaft 17 of locating fixed column 13 lower extreme one side, the upper end of screw rod 15 is passed through the screw thread and is connected with the inside rotation of lift post 14, and the outside of screw rod 15 is located lower extreme position department and is fixed with driven bevel gear 16, the one end of transmission shaft 17 is fixed with the drive bevel gear 18 that is located fixed column 13 inside, drive bevel gear 18 passes through tooth and driven bevel gear 16 meshing, be provided with drawing of patterns link gear between the other end of transmission shaft 17 and last mould 6 and lower mould 2, drawing of patterns climbing mechanism, be used for driving lift post 14 and reciprocate, thereby drive kicking block 12 reciprocates, can be with copper pole ejecting die cavity.

Furthermore, the demoulding link gear comprises a gear 19 fixed at the other end of the transmission shaft 17 and a rack fixing rod 20 fixed at a position corresponding to the gear 19 on one side of the upper die 6, a rack 21 is fixed on one side of the lower end of the rack fixing rod 20, the rack 21 is meshed with the gear 19 through teeth, a supporting guide rod 31 is fixed on the other side of the lower end of the rack fixing rod 20, a guide rod slider 32 is sleeved on the outer side of the supporting guide rod 31 in a sliding manner, one end of the guide rod slider 32 is fixed with one side of the lower die 2, and the demoulding link gear converts the power of the upward movement of the upper die 6 into the rotating force of the transmission shaft 17 so as to drive the demoulding jacking mechanism to operate.

Further, the blanking mechanism comprises a fixed L-shaped connecting rod 22 fixed at one end of one side of the lower die 2 and a connecting lug 26 fixed at one side of the upper die 6 corresponding to the position of the fixed L-shaped connecting rod 22, one end of the connecting lug 26 is rotatably connected with a rocker 27, a limiting block 29 is fixed on the lower side of the connecting lug 26, one end of the connecting lug 26 is rotatably connected with a roller 28, one end of the lower side of the limiting block 29 is connected with a tension spring 30, the upper end of the tension spring 30 is connected with the lower side of the rocker 27, one side of the upper end of the fixed L-shaped connecting rod 22 is rotatably connected with a rotating L-shaped connecting rod 23, a linkage wedge block 25 is fixed on one side of the upper end of the rotating L-shaped connecting rod 23, the upper die 6 moves upwards to drive the connecting lug 26, the rocker 27, the roller 28, the limiting block 29, the tension spring 30 and other components to move upwards, when the upper die 6 rises to be close to the highest point, the roller 28 is in contact with the lower side of the linkage wedge block 25, the inclined plane on the lower side of the linkage wedge block 25 pushes the upper end of the rotating L-shaped connecting rod 23 to move outwards, so that the lower end of the rotating L-shaped connecting rod 23 rotates the copper wedge block to push out, thereby improving the blanking efficiency of automatic production.

Furthermore, an extension wedge block 24 is fixed at the lower end of the rotary L-shaped connecting rod 23, and the extension wedge block 24 can extend to a position between the upper die 6 and the lower die 2, so that the copper rod can be conveniently pushed out.

Furthermore, the lead angle of the screw 15 and the lifting column 14 is smaller than the friction angle, so that the self-locking function is achieved, and the lifting column 14 is prevented from shaking up and down.

Furthermore, the lower end of the lifting column 14 is fixed with a supporting sliding plate 36, the supporting sliding plate 36 is connected to the inner side of the fixed column 13 in a sliding manner, and the supporting sliding plate 36 plays a supporting role in one end of the lifting column 14, so that the sliding stability of the lifting column is improved.

Furthermore, two guide rods 33 are fixed at two ends of the upper side of the upper die 6, the two guide rods 33 are slidably inserted into the transverse plate 4, and the guide rods 33 play a role in guiding the upper die 6 to move up and down.

Further, the lower side of the machine table 1 is fixed with four support columns 34 which are arranged in a rectangular shape, the lower ends of the four support columns 34 are fixed with support bottom plates, and the support columns 34 are used for supporting the whole device.

Further, the lower extreme of one side of two tip risers 7 all is fixed with gusset plate 35, and the downside of two gusset plates 35 all is fixed with the upside of board 1, and gusset plate 35 improves the fixed fastness between tip riser 7 and the board 1.

The working principle is as follows: when the device is used, a copper rod for manufacturing a phosphor copper ball is placed on the upper side of the ejector block 12, then the telescopic end of the upper hydraulic rod 5 is controlled to extend out to drive the upper die 6 to move downwards, the upper die 6 moves downwards and simultaneously drives the rack fixing rod 20 of the demoulding linkage mechanism to move downwards, the rack fixing rod 20 drives the rack 21 on one side of the rack to move downwards, the rack 21 moves downwards to drive the gear 19 to rotate through tooth meshing, the gear 19 drives the transmission shaft 17 to rotate, the transmission shaft 17 drives the driving bevel gear 18 of the demoulding jacking mechanism to rotate, the driving bevel gear 18 rotates to drive the driven bevel gear 16 to rotate through tooth meshing, the driven bevel gear 16 drives the screw 15 to rotate, the screw 15 rotates to drive the lifting column 14 to move upwards and downwards through thread meshing, the lifting column 14 moves downwards, the lifting column 14 drives the copper rod to move downwards to the inner side of the die cavity of the lower die 2, then the upper die 6 is pressed on the upper side of the copper rod to extrude the upper side and the lower sides of the upper die 6, then the telescopic ends of the two end hydraulic rods 8 are controlled to extend out to drive the two end extrusion columns 9 to move towards the middle section position, the two end extrusion columns 9 extrude the two ends of the copper rod, the volume of the copper rod is reduced, the tissue of the phosphor copper rod reaches the micron level, the quality of the ball is improved, after the extrusion is finished, the telescopic ends of the upper hydraulic rods 5 retract to drive the upper die 6 to move upwards, the rack fixing rod 20 of the demoulding linkage mechanism is driven to move upwards while the upper die 6 moves upwards, through the principle, the lifting column 14 can be driven to move upwards, the lifting column 14 drives the ejector block 12 to move upwards, the ejector block 12 can eject the copper rod inside the die cavity of the lower die 2, the rapid demoulding is realized, the copper rod is prevented from being clamped inside the die cavity due to extrusion force, the demoulding difficulty is prevented, the upper die 6 moves upwards to drive the connecting lug 26, the rocker 27, the roller 28, the limiting block 29, the tension spring 30 and other components to move upwards, when the upper die 6 rises to be close to the highest point, the roller 28 contacts with the lower side of the linkage wedge block 25, the upper end of the rotary L-shaped connecting rod 23 is pushed to rotate outwards through the inclined plane on the lower side of the linkage wedge block 25, so that the lower end of the rotary L-shaped connecting rod 23 rotates inwards, the extended wedge block 24 on the lower end of the rotary L-shaped connecting rod 23 pushes out the jacked copper rod, the automatic blanking effect is achieved, the production efficiency is improved, the tension spring 30 is connected between the lower side of the rocker 27 and the limiting block 29, when the upper die 6 drives the rocker 27 and other components to move downwards, the rocker 27 turns upwards under the blocking of the linkage wedge block 25 and stretches the tension spring 30, so that the rotary L-shaped connecting rod 23 cannot rotate, and when the rocker 27 descends to the lower side of the linkage wedge block 25, the rocker 27 resets under the elastic force of the tension spring 30.

The previous description is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a microcrystal phosphorus copper ball material extrusion equipment which characterized in that: including board (1), the upside of board (1) is located middle section position department and installs lower mould (2), and the upside of board (1) is located both ends position department symmetry and is fixed with two portal (3), two the upside of portal (3) is fixed with diaphragm (4), the inside of diaphragm (4) is located middle section position department and inserts and establish and install hydraulic stem (5), the flexible end of going up hydraulic stem (5) is fixed with last mould (6), the upside both ends of board (1) are located middle section position department and all are fixed with tip riser (7), two the upper end of tip riser (7) is all inserted and is established and install tip hydraulic stem (8), two the flexible end of tip hydraulic stem (8) all is fixed with tip extrusion post (9), the inside of lower mould (2) is located middle section position department and has seted up cavity (10), ejector block groove (11) has been seted up to the upside of cavity (10), and the inboard bottom of cavity (10) is fixed with fixed column (13), the upper end of fixed column (13) slides and is equipped with lift post (14), the upper end that the lift post (14) is inserted and fixed with jack (12) the jack block (12) and jack (12) be provided with two inboard bottom mechanisms (6) and lift mechanism (6) and lift block (12) are located between the inboard bottom and lift mechanism (6) and lift mechanism (12) the jack (12) and lift mechanism inboard fixed with lift post (6) one side The blanking mechanism has the same structure.

2. The microcrystalline phosphor-copper ball material extrusion device of claim 1, wherein: the demolding jacking mechanism comprises a screw (15) rotatably connected to the lower end of the inner side of the fixed column (13) and a transmission shaft (17) rotatably inserted into one side of the lower end of the fixed column (13), the upper end of the screw (15) is rotatably connected with the inside of the lifting column (14) through threads, a driven bevel gear (16) is fixed to the position, located at the lower end, of the outer side of the screw (15), a driving bevel gear (18) located inside the fixed column (13) is fixed to one end of the transmission shaft (17), the driving bevel gear (18) is meshed with the driven bevel gear (16) through teeth, and a demolding linkage mechanism is arranged between the other end of the transmission shaft (17) and the upper mold (6) and the lower mold (2).

3. The microcrystalline phosphor-copper ball material extrusion device of claim 2, wherein: demoulding link gear is including gear (19) that are fixed in the transmission shaft (17) other end and being fixed in rack dead lever (20) that go up mould (6) one side and correspond gear (19) position department, lower extreme one side of rack dead lever (20) is fixed with rack (21), rack (21) are through tooth and gear (19) meshing, the lower extreme opposite side of rack dead lever (20) is fixed with support guide arm (31), the outside slip cap that supports guide arm (31) is equipped with guide arm slider (32), the one end of guide arm slider (32) is fixed with one side of lower mould (2).

4. The microcrystalline phosphor-copper ball material extrusion device of claim 1, wherein: unloading mechanism is including being fixed in fixed L shape connecting rod (22) that lower mould (2) one side is located one end position department and being fixed in engaging lug (26) that last mould (6) one side corresponds fixed L shape connecting rod (22) position department, the one end of engaging lug (26) is rotated and is connected with rocker (27), and the downside of engaging lug (26) is fixed with stopper (29), the one end of engaging lug (26) is rotated and is connected with gyro wheel (28), the downside one end of stopper (29) is connected with tension spring (30), the upper end of tension spring (30) is connected with the downside of rocker (27), the upper end one side of fixed L shape connecting rod (22) is rotated and is connected with and rotates L shape connecting rod (23), the upper end one side of rotating L shape connecting rod (23) is fixed with linkage wedge (25).

5. The microcrystalline phosphor-copper ball material extrusion equipment as claimed in claim 4, wherein: an extended wedge block (24) is fixed at the lower end of the rotary L-shaped connecting rod (23).

6. The microcrystalline phosphor-copper ball material extrusion equipment as claimed in claim 2, wherein: the lead angle of the screw (15) and the lifting column (14) is smaller than the friction angle.

7. The microcrystalline phosphor-copper ball material extrusion equipment as claimed in claim 2, wherein: and a supporting sliding plate (36) is fixed at the lower end of the lifting column (14), and the supporting sliding plate (36) is connected to the inner side of the fixed column (13) in a sliding manner.

8. The microcrystalline phosphor-copper ball material extrusion device of claim 1, wherein: two guide rods (33) are fixed at two ends of the upper side of the upper die (6), and the two guide rods (33) are inserted into the transverse plate (4) in a sliding manner.

9. The microcrystalline phosphor-copper ball material extrusion device of claim 1, wherein: the lower side of the machine table (1) is fixedly provided with four support columns (34) which are arranged in a rectangular shape, and the lower ends of the four support columns (34) are fixedly provided with support bottom plates.

10. The microcrystalline phosphor-copper ball material extrusion device of claim 1, wherein: and reinforcing plates (35) are fixed at the lower ends of one sides of the end vertical plates (7), and the lower sides of the reinforcing plates (35) are fixed with the upper side of the machine table (1).