CN113134315A - Solder paste mixer for producing computer mainboard and use method thereof - Google Patents
Solder paste mixer for producing computer mainboard and use method thereof Download PDFInfo
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- CN113134315A CN113134315A CN202110229664.5A CN202110229664A CN113134315A CN 113134315 A CN113134315 A CN 113134315A CN 202110229664 A CN202110229664 A CN 202110229664A CN 113134315 A CN113134315 A CN 113134315A
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- 229910000679 solder Inorganic materials 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 48
- 238000005192 partition Methods 0.000 claims abstract description 25
- 238000005476 soldering Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000006210 lotion Substances 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2115—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
- B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
- B01F25/4521—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through orifices in elements, e.g. flat plates or cylinders, which obstruct the whole diameter of the tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/22—Control or regulation
- B01F35/221—Control or regulation of operational parameters, e.g. level of material in the mixer, temperature or pressure
- B01F35/2215—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F2035/35—Use of other general mechanical engineering elements in mixing devices
- B01F2035/351—Sealings
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
A solder paste mixer for producing a computer mainboard comprises a mixing box and a vacuumizing device; the mixing box is provided with a shell and a feeding hopper, the mixing box is divided into a second mixing bin and a first mixing bin through an annular partition plate, and the annular partition plate is provided with a plurality of groups of first through holes; the first mixing bin is provided with an air suction hole for communicating with a vacuumizing device on a mixing box, and a piston plate, a plurality of groups of guide rods connected with the piston plate in a sliding manner and a first threaded rod connected with the piston plate in a threaded fit manner are arranged in the first mixing bin in a sliding manner; the second mixing bin is provided with a discharge pipe on the bottom surface of the mixing box, and a piston and a second threaded rod for connecting the piston in a threaded fit manner are arranged in the second mixing bin in a sliding manner; the second threaded rod and the first threaded rod are in transmission connection with a driving assembly in the shell, wherein the rotation directions of the second threaded rod and the first threaded rod are opposite. The invention also provides an adaptation method of the solder paste mixer for producing the computer mainboard. The invention has simple operation and convenient use and can uniformly mix the raw materials of the soldering paste.
Description
Technical Field
The invention relates to the technical field of computer production, in particular to a solder paste mixer for producing a computer mainboard and a using method thereof.
Background
The computer is a modern electronic computing machine used for high-speed computing, can carry out numerical computation and logic computation, has a memory function, and is a modern intelligent electronic device which can run according to a program and automatically process mass data at high speed; the computer consists of a hardware system and a software system, wherein the mainboard is used as the core of the computer; soldering tin is needed to be carried out on the main board by using soldering paste in the production process of the main board of the computer so as to weld the welded components and the main board of the computer together to form permanent connection; when a computer mainboard is subjected to tin soldering, solder paste needs to be prepared; the soldering paste is a complicated system, is the lotion that is formed by the mixture of solder powder, scaling powder and other additives, need mix the soldering paste raw materials when preparing the soldering paste, but current mixing apparatus can't guarantee its homogeneous mixing when mixing the soldering paste raw materials, and the soldering paste of mixing back has the performance of bubble greatly reduced soldering paste, and the soldering paste after the mixing can remain and cause the waste of raw materials on the mixing apparatus inner wall.
Disclosure of Invention
Objects of the invention
The invention provides a solder paste mixer for producing a computer mainboard and a using method thereof, aiming at solving the technical problems in the background art.
(II) technical scheme
The invention provides a solder paste mixer for producing a computer mainboard, which comprises a mixing box, a first threaded rod, a discharge pipe, a second threaded rod, a plurality of groups of guide rods, a charging hopper, a vacuumizing device and a control box, wherein the first threaded rod is arranged on the mixing box;
the upper end surface of the mixing box is provided with a shell, the bottom surface of the mixing box is provided with a plurality of groups of supporting columns, and an annular partition plate is arranged in the mixing box; the central axis of the annular partition plate is superposed with the central axis of the mixing box, a second mixing bin is defined between the inner wall of the annular partition plate and the inner wall of the mixing box, a first mixing bin is defined between the outer peripheral surface of the annular partition plate and the inner wall of the mixing box, and a plurality of groups of first through holes are uniformly arranged on the outer peripheral surface of the annular partition plate along the circumferential direction of the outer peripheral surface;
the first mixing bin is provided with a feeding hole and an air exhaust hole which is used for communicating a vacuumizing device on the peripheral surface of the mixing box, and a piston plate is arranged in the first mixing bin in a sliding manner; the piston plate is sleeved on the outer side of the annular partition plate, and a plurality of groups of second through holes and a group of third through holes are formed in the piston plate; each group of second through holes is internally provided with a guide sealing sleeve; a first threaded pipe is arranged in the third through hole; the charging hopper is connected with the peripheral surface of the mixing box, the discharging end of the charging hopper is connected with the feeding port, and the feeding end of the charging hopper is provided with a sealing cover;
a plurality of groups of guide rods are distributed in the first mixing bin side by side, the guide rods respectively penetrate through the guide sealing sleeves in an interference manner, and two ends of the guide rods are respectively connected with the inner wall of the first mixing bin; the first threaded rod is in threaded fit with a first threaded pipe, and two ends of the first threaded rod are respectively in rotary connection with the inner wall of the first mixing bin;
the second mixing bin is provided with a discharge port on the bottom surface of the mixing box, and a piston is arranged in the second mixing bin in a sliding manner; a fourth through hole is formed in the piston; a second threaded pipe is arranged in the fourth through hole; the second threaded rod is in threaded fit with a second threaded pipe and is rotationally connected with the inner wall of the second mixing bin; the central axes of the second threaded rod and the first threaded rod are parallel, and one ends of the second threaded rod and the first threaded rod extend into the shell; a driving assembly for simultaneously driving and connecting a second threaded rod and a first threaded rod is arranged in the shell, wherein the rotating directions of the second threaded rod and the first threaded rod are opposite;
a pipe orifice at one end of the discharge pipe is connected with a discharge port, and a control valve is arranged on the discharge pipe; the control box is connected with the shell, a controller is arranged in the control box, and a key module and a display are arranged on the control box; the key module, the display, the vacuumizing device, the driving assembly and the controller are electrically connected.
Preferably, the multiple groups of guide rods are uniformly distributed in a circular shape by taking the central axis of the mixing box as the center, and each group of guide rods is provided with a hollow bin along the central axis direction; each group of hollow bins is internally provided with a heating device; the plurality of groups of heating devices are all connected with the controller in a control way; a temperature sensor is arranged in any one hollow bin; the temperature sensor is in communication connection with the controller.
Preferably, the upper end surface of the piston plate is provided with a first limiting module; the upper end surface of the piston is provided with a second limiting module; the second limiting module and the first limiting module are both in communication connection with the controller.
Preferably, the device also comprises a plurality of groups of sliding plates; wherein, a plurality of groups of sliding chutes are arranged on the inner wall of the annular clapboard along the central axis direction;
the outer peripheral face of piston is all connected to the multiunit slide, and multiunit slide is sliding connection multiunit spout respectively.
Preferably, the bottom surface of the second mixing bin is recessed downwards towards the central axis direction of the discharge port to form a second spherical surface; the lower end surface of the piston protrudes downwards along the central axis direction to form a first spherical surface which is used for being attached to the second spherical surface.
Preferably, the drive assembly comprises a drive means, a first gear and a second gear;
the first gear is connected with a second threaded rod positioned in the shell, and the central axis of the first gear is superposed with the central axis of the second threaded rod; one end of the second threaded rod is connected with an output shaft of the driving device; the driving device is connected with the inner wall of the shell;
the second gear is connected with a first threaded rod positioned in the shell, the central axis of the second gear is superposed with the central axis of the first threaded rod, and the second gear is meshed with the first gear.
Preferably, the number of teeth of the first gear is the same as that of the second gear, and the outer diameter value of the first gear is the same as that of the second gear; the first threaded rod located inside the mixing box has the same length value as the second threaded rod.
Preferably, the aperture of each group of first through holes is gradually increased from the openings at the two ends to the inside.
Preferably, the sealing cover is in threaded fit connection with the charging hopper.
A use method of a solder paste mixer for computer motherboard production comprises the following steps:
s1, opening the sealing cover, adding the raw materials of the soldering paste into the first mixing bin from the feeding hopper, and then installing the sealing cover and the feeding hopper in a matching way;
s2, starting a vacuumizing device to vacuumize the mixing box;
s3, controlling the driving device to operate to drive the first threaded rod and the second threaded rod to operate simultaneously; wherein,
controlling the driving device to operate in a forward direction, driving the piston plate to move downwards along the central axis directions of the plurality of groups of guide rods by the first threaded rod, driving the piston plate to move upwards along the central axis directions of the plurality of groups of guide rods by the second threaded rod, and pressing the raw materials in the first mixing bin into the second mixing bin from the plurality of groups of first through holes by the piston plate to mix the raw materials;
controlling the driving device to run reversely, wherein the first threaded rod drives the piston plate to move upwards along the central axis directions of the plurality of groups of guide rods, and meanwhile, the second threaded rod drives the piston to move downwards along the central axis directions of the plurality of groups of guide rods, so that the piston presses the raw materials in the second mixing bin into the first mixing bin from the plurality of groups of first through holes to mix the raw materials;
and S4, after the raw materials are uniformly mixed, opening a control valve to collect the uniformly mixed solder paste from the discharge pipe orifice of the discharge pipe.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
when the soldering paste mixing device is used, the sealing cover is opened, the soldering paste raw materials are added into the first mixing bin from the feeding hopper, and then the sealing cover and the feeding hopper are installed in a matched mode; starting a vacuumizing device to vacuumize the interior of the mixing box, so that the interior of the mixing box is always in a vacuum state, and further ensuring that the finally uniformly mixed soldering paste does not contain bubbles to ensure the quality of the soldering paste; controlling the driving device to operate in a forward direction, driving the piston plate to move downwards along the central axis directions of the plurality of groups of guide rods by the first threaded rod, driving the piston plate to move upwards along the central axis directions of the plurality of groups of guide rods by the second threaded rod, and pressing the raw materials in the first mixing bin into the second mixing bin from the plurality of groups of first through holes by the piston plate to mix the raw materials; controlling the driving device to run reversely, wherein the first threaded rod drives the piston plate to move upwards along the central axis directions of the plurality of groups of guide rods, and meanwhile, the second threaded rod drives the piston to move downwards along the central axis directions of the plurality of groups of guide rods, so that the piston presses the raw materials in the second mixing bin into the first mixing bin from the plurality of groups of first through holes to mix the raw materials; the driving device periodically rotates forwards and backwards to uniformly mix the raw materials of the soldering paste in the mixing box; after the raw materials are uniformly mixed, opening a control valve to collect the uniformly mixed soldering paste from a discharge pipe orifice of a discharge pipe;
in the invention, during discharging, along with the up-and-down movement of the piston plate and the piston, all solder paste remained on the inner walls of the first mixing bin and the second mixing bin can be discharged, so that the solder paste is prevented from remaining on the inner walls of the first mixing bin and the second mixing bin, the utilization rate of raw materials is greatly improved, and the waste of the solder paste is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a solder paste mixer for producing a computer motherboard according to the present invention.
Fig. 2 is a partially enlarged structural schematic diagram of a position a of a solder paste mixer for producing a computer motherboard according to the present invention.
FIG. 3 is a front view of a solder paste mixer for manufacturing a computer motherboard according to the present invention.
FIG. 4 is a top view of a piston plate of a solder paste mixer for manufacturing a computer motherboard according to the present invention.
Fig. 5 is a schematic perspective view of a piston in a solder paste mixer for producing a computer motherboard according to the present invention.
FIG. 6 is a schematic block diagram of a solder paste mixer for producing a computer motherboard according to the present invention.
Reference numerals: 1. a mixing box; 2. a first mixing bin; 3. a first threaded rod; 4. an annular partition plate; 5. a support pillar; 6. a discharge pipe; 7. a control valve; 8. a second threaded rod; 9. a second mixing bin; 10. a heating device; 11. a guide bar; 12. a temperature sensor; 13. a hopper; 14. a sealing cover; 15. a first limit module; 16. a piston plate; 17. a housing; 18. a drive device; 19. a first gear; 20. a second gear; 21. a second limiting module; 22. a piston; 23. a first through hole; 24. a second through hole; 25. a guide sealing sleeve; 26. a third through hole; 27. a first threaded pipe; 28. a slide plate; 29. a fourth via hole; 30. a second threaded pipe; 31. a second spherical surface; 32. a control box; 33. and a controller.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Example 1
As shown in fig. 1-6, the solder paste mixer for producing a computer motherboard provided by the invention comprises a mixing box 1, a first threaded rod 3, a discharge pipe 6, a second threaded rod 8, a plurality of groups of guide rods 11, a charging hopper 13, a vacuum pumping device and a control box 32;
the upper end surface of the mixing box 1 is provided with a shell 17, the bottom surface of the mixing box 1 is provided with a plurality of groups of supporting columns 5, and an annular partition plate 4 is arranged in the mixing box 1; the central axis of the annular partition plate 4 is superposed with the central axis of the mixing box 1, two ends of the annular partition plate 4 are respectively connected with the upper end inner wall and the bottom inner wall of the mixing box 1, a second mixing bin 9 is enclosed between the inner wall of the annular partition plate 4 and the inner wall of the mixing box 1, a first mixing bin 2 is enclosed between the outer peripheral surface of the annular partition plate 4 and the inner wall of the mixing box 1, and a plurality of groups of first through holes 23 are uniformly arranged on the outer peripheral surface of the annular partition plate 4 along the circumferential direction; the multiple groups of first through holes 23 are communicated with the first mixing bin 2 and the second mixing bin 9, and the multiple groups of first through holes 23 are positioned on one side of the annular partition plate 4 close to the bottom surface of the mixing box 1;
the first mixing bin 2 is provided with a feeding hole and an air suction hole for communicating a vacuum device on the peripheral surface of the mixing box 1, and a piston plate 16 is arranged in the first mixing bin 2 in a sliding manner;
the piston plate 16 is connected with the inner wall of the first mixing bin 2 in a sliding manner, the piston plate 16 is sleeved on the outer side of the annular partition plate 4, and a plurality of groups of second through holes 24 and a group of third through holes 26 are formed in the piston plate 16;
further, the projected shape of the piston plate 16 is a circular ring;
a guide sealing sleeve 25 is arranged in each group of second through holes 24; a first threaded pipe 27 is arranged in the third through hole 26; the charging hopper 13 is connected with the peripheral surface of the mixing box 1, the discharging end of the charging hopper 13 is connected with the feeding hole, and the feeding end of the charging hopper 13 is provided with a sealing cover 14;
the multiple groups of guide rods 11 are distributed in the first mixing bin 2 side by side, the multiple groups of guide rods 11 respectively penetrate through the multiple groups of guide sealing sleeves 25 in an interference fit mode, and two ends of the multiple groups of guide rods 11 are respectively connected with the inner wall of the first mixing bin 2; the first threaded rod 3 is in threaded fit with a first threaded pipe 27, and two ends of the first threaded rod 3 are respectively in rotary connection with the inner wall of the first mixing bin 2;
the second mixing bin 9 is provided with a discharge outlet at the bottom surface of the mixing box 1, and a piston 22 is arranged in the second mixing bin 9 in a sliding manner;
the piston 22 is provided with a fourth through hole 29; a second threaded pipe 30 is arranged in the fourth through hole 29; in the initial state, the piston 22 is positioned at one side close to the bottom surface of the second mixing bin 9 and is used for sealing a plurality of groups of first through holes 23 so as to prevent the raw materials added into the first mixing bin 2 from entering the second mixing bin 9 through the plurality of groups of first through holes 23, and the piston plate 16 is positioned above the piston 22;
the second threaded rod 8 is in threaded fit with a second threaded pipe 30, and the second threaded rod 8 is rotationally connected with the inner wall of the second mixing bin 9; the central axes of the second threaded rod 8 and the first threaded rod 3 are parallel, and one ends of the second threaded rod 8 and the first threaded rod 3 extend into the shell 17; a driving component for simultaneously driving and connecting the second threaded rod 8 and the first threaded rod 3 is arranged in the shell 17, wherein the rotating directions of the second threaded rod 8 and the first threaded rod 3 are opposite;
a pipe orifice at one end of the discharge pipe 6 is connected with a discharge port, and a control valve 7 is arranged on the discharge pipe 6;
the control box 32 is connected with the shell 17, a controller 33 is arranged in the control box 32, and a key module and a display are arranged on the control box 32; the key module, the display, the vacuum pumping device, the driving assembly and the controller 33 are electrically connected.
In one embodiment of the invention, when in use, the sealing cover 14 is opened, solder paste raw materials are added into the first mixing bin 2 from the feeding hopper 13, and then the sealing cover 14 is matched with the feeding hopper 13; starting a vacuumizing device to vacuumize the interior of the mixing box 1, so that the interior of the mixing box 1 is always in a vacuum state, and further ensuring that the finally and uniformly mixed soldering paste does not contain bubbles to ensure the quality of the soldering paste; controlling the driving device 18 to operate in the forward direction, driving the piston plate 16 to move downwards along the central axis direction of the plurality of groups of guide rods 11 by the first threaded rod 3, driving the piston 22 to move upwards along the central axis direction of the plurality of groups of guide rods 11 by the second threaded rod 8, and pressing the raw materials in the first mixing bin 2 into the second mixing bin 9 from the plurality of groups of first through holes 23 by the piston plate 16 to mix the raw materials; controlling the driving device 18 to run reversely, wherein the first threaded rod 3 drives the piston plate 16 to move upwards along the central axis direction of the plurality of groups of guide rods 11, and the second threaded rod 8 drives the piston 22 to move downwards along the central axis direction of the plurality of groups of guide rods 11, so that the piston 22 presses the raw materials in the second mixing bin 9 into the first mixing bin 2 from the plurality of groups of first through holes 23 to mix the raw materials; the driving device 18 periodically rotates forwards and backwards to uniformly mix the raw materials of the soldering paste in the mixing box 1; after the raw materials misce bene, open control valve 7 from the row of arranging material mouth of pipe of arranging material pipe 6 collect the solder paste of misce bene can, in addition, when the blowing, along with reciprocating of piston plate 16 and piston 22, can guarantee to discharge all residual solder paste on first mixing bunker 2 and the mixed 9 inner walls of second, avoid the solder paste to remain on first mixing bunker 2 and the mixed 9 inner walls of second, improved the utilization ratio of raw materials greatly.
In an alternative embodiment, the multiple groups of guide rods 11 are uniformly distributed in a circular shape with the central axis of the mixing box 1 as the center, and each group of guide rods 11 is provided with a hollow bin along the central axis direction thereof; each group of hollow bins is internally provided with a heating device 10; the plurality of groups of heating devices 10 are all connected with the controller 33 in a control way; a temperature sensor 12 is arranged in any hollow bin; the temperature sensor 12 is in communication connection with the controller 33;
during the use, piston 22 and piston plate 16 reciprocate the in-process, piston 22 and annular partition plate 4's inner wall and piston plate 16 respectively with annular partition plate 4's outer peripheral face and mixing box 1's inner wall between the sliding action produce heat energy and then can heat the effect with the solder paste raw materials, but efficiency is not good, for this when the solder paste raw materials mix, start multiunit heating device 10 and heat multiunit guide bar 11 and carry out the heating effect through the heat-conduction mode to the solder paste raw materials in the mixing box 1, and then can improve the mixed effect and the mixing efficiency of solder paste raw materials.
In an alternative embodiment, the upper end face of the piston plate 16 is provided with a first limit module 15; the upper end surface of the piston 22 is provided with a second limiting module 21; the second limiting module 21 and the first limiting module 15 are both in communication connection with the controller 33; when the second limiting module 21 presses the inner wall of the upper end of the mixing box 1, the controller 33 controls the driving device 18 to rotate reversely; when the first limiting module 15 presses the inner wall of the upper end of the mixing box 1, the controller 33 controls the driving device 18 to rotate reversely again.
In an alternative embodiment, a plurality of sets of slides 28 are also included; wherein, a plurality of groups of sliding chutes are arranged on the inner wall of the annular clapboard 4 along the central axis direction thereof;
the plurality of sets of sliding plates 28 are all connected with the outer peripheral surface of the piston 22, and the plurality of sets of sliding plates 28 are respectively connected with the plurality of sets of sliding grooves in a sliding manner.
In an alternative embodiment, the bottom surface of the second mixing bin 9 is concave downwards towards the central axis direction of the discharge port to form a second spherical surface; the lower end surface of the piston 22 protrudes downward along the central axis direction thereof to form a first spherical surface 31 for being attached to a second spherical surface;
when the material discharging device is used, the first spherical surface is arranged on the bottom surface of the second mixing bin 9, so that materials in the second mixing bin 9 can be conveniently and quickly discharged into the discharging pipe 6 from the discharging opening; the piston 22 is provided with a first spherical surface 31 which presses the material collected in the first spherical surface from the discharge opening into the discharge pipe 6 in a rapid manner with a second spherical surface fit.
In an alternative embodiment, the drive assembly comprises a drive means 18, a first gear 19 and a second gear 20;
the first gear 19 is connected with the second threaded rod 8 positioned in the shell 17, and the central axis of the first gear 19 is superposed with the central axis of the second threaded rod 8; one end of the second threaded rod 8 is connected with an output shaft of the driving device 18; the driving device 18 is connected with the inner wall of the shell 17; the driving device 18 adopts a variable frequency motor;
the second gear 20 is connected with the first threaded rod 3 positioned in the shell 17, the central axis of the second gear 20 is superposed with the central axis of the first threaded rod 3, and the second gear 20 is meshed with the first gear 19;
when in use, the first gear 19 and the second gear 20 are meshed to realize the reverse transmission of the first threaded rod 3 and the second threaded rod 8.
In an alternative embodiment, the number of teeth of the first gear 19 is the same as the number of teeth of the second gear 20, and the outer diameter of the first gear 19 has the same value as the outer diameter of the second gear 20; the length value of the first threaded rod 3 in the mixing box 1 is the same as that of the second threaded rod 8, wherein after the piston 22 moves, the volume of a space formed between the lower end surface of the piston 22 and the inner wall of the second mixing bin 9 is not less than the volume of solder paste raw materials extruded out of the first mixing bin 2 when the piston plate 16 moves downwards.
In an alternative embodiment, the aperture of each group of first through holes 23 gradually increases from the openings at both ends thereof to the inside, so that the paste can rapidly flow from the first mixing bin 2 into the second mixing bin 9 or the second mixing bin 9 flows into the first mixing bin 2.
In an alternative embodiment, the sealing cap 14 is threadably engaged with the hopper 13 to facilitate removal and installation of the sealing cap 14.
Example 2
The invention also provides a use method of the solder paste mixer for producing the computer mainboard, which comprises the solder paste mixer for producing the computer mainboard in the embodiment 1, and specifically comprises the following steps:
s1, opening the sealing cover 14, adding the raw materials of the soldering paste into the first mixing bin 2 from the feeding hopper 13, and then installing the sealing cover 14 and the feeding hopper 13 in a matching manner;
s2, starting a vacuumizing device to vacuumize the mixing box 1;
s3, controlling the driving device 18 to operate to drive the first threaded rod 3 and the second threaded rod 8 to operate simultaneously; wherein,
controlling the driving device 18 to operate in the forward direction, driving the piston plate 16 to move downwards along the central axis direction of the plurality of groups of guide rods 11 by the first threaded rod 3, driving the piston 22 to move upwards along the central axis direction of the plurality of groups of guide rods 11 by the second threaded rod 8, and pressing the raw materials in the first mixing bin 2 into the second mixing bin 9 from the plurality of groups of first through holes 23 by the piston plate 16 to mix the raw materials;
controlling the driving device 18 to run reversely, wherein the first threaded rod 3 drives the piston plate 16 to move upwards along the central axis direction of the plurality of groups of guide rods 11, and the second threaded rod 8 drives the piston 22 to move downwards along the central axis direction of the plurality of groups of guide rods 11, so that the piston 22 presses the raw materials in the second mixing bin 9 into the first mixing bin 2 from the plurality of groups of first through holes 23 to mix the raw materials;
and S4, after the raw materials are uniformly mixed, opening the control valve 7 to collect the uniformly mixed solder paste from the discharge pipe orifice of the discharge pipe 6.
The solder paste mixer provided by the invention is simple to operate and convenient to use, and can be used for mixing solder paste raw materials by repeatedly extruding and sieving the solder paste raw materials in an extruding and sieving mode, so that the solder paste raw materials are uniformly mixed with good mixing effect; the solder paste raw materials are mixed under the vacuum environment, so that the mixed solder paste is ensured not to contain bubbles, and the quality of the solder paste is ensured.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A solder paste mixer for producing a computer mainboard is characterized by comprising a mixing box (1), a first threaded rod (3), a discharge pipe (6), a second threaded rod (8), a plurality of groups of guide rods (11), a charging hopper (13), a vacuumizing device and a control box (32);
the upper end surface of the mixing box (1) is provided with a shell (17), the bottom surface of the mixing box (1) is provided with a plurality of groups of supporting columns (5), and an annular partition plate (4) is arranged in the mixing box (1); the central axis of the annular partition plate (4) is superposed with the central axis of the mixing box (1), a second mixing bin (9) is enclosed between the inner wall of the annular partition plate (4) and the inner wall of the mixing box (1), a first mixing bin (2) is enclosed between the outer peripheral surface of the annular partition plate (4) and the inner wall of the mixing box (1), and a plurality of groups of first through holes (23) are uniformly arranged on the outer peripheral surface of the annular partition plate (4) along the circumferential direction;
a feed inlet and an air exhaust hole for communicating a vacuum device are arranged on the peripheral surface of the mixing box (1) of the first mixing bin (2), and a piston plate (16) is arranged in the first mixing bin (2) in a sliding manner; the piston plate (16) is sleeved on the outer side of the annular partition plate (4), and a plurality of groups of second through holes (24) and a group of third through holes (26) are formed in the piston plate (16); a guide sealing sleeve (25) is arranged in each group of second through holes (24); a first threaded pipe (27) is arranged in the third through hole (26); the charging hopper (13) is connected with the peripheral surface of the mixing box (1), the discharging end of the charging hopper (13) is connected with the feeding port, and the feeding end of the charging hopper (13) is provided with a sealing cover (14);
a plurality of groups of guide rods (11) are distributed in the first mixing bin (2) side by side, the guide rods (11) respectively penetrate through the guide sealing sleeves (25) in an interference manner, and two ends of the guide rods (11) are respectively connected with the inner wall of the first mixing bin (2); the first threaded rod (3) is in threaded fit connection with a first threaded pipe (27), and two ends of the first threaded rod (3) are respectively in rotary connection with the inner wall of the first mixing bin (2);
the second mixing bin (9) is provided with a discharge outlet on the bottom surface of the mixing box (1), and a piston (22) is arranged in the second mixing bin (9) in a sliding manner; a fourth through hole (29) is arranged on the piston (22); a second threaded pipe (30) is arranged in the fourth through hole (29); the second threaded rod (8) is in threaded fit connection with a second threaded pipe (30), and the second threaded rod (8) is rotationally connected with the inner wall of the second mixing bin (9); the central axes of the second threaded rod (8) and the first threaded rod (3) are parallel, and one ends of the second threaded rod (8) and the first threaded rod (3) extend into the shell (17); a driving assembly for simultaneously driving and connecting the second threaded rod (8) and the first threaded rod (3) is arranged in the shell (17), wherein the rotating directions of the second threaded rod (8) and the first threaded rod (3) are opposite;
a pipe orifice at one end of the discharge pipe (6) is connected with a discharge port, and a control valve (7) is arranged on the discharge pipe (6); the control box (32) is connected with the shell (17), a controller (33) is arranged in the control box (32), and a key module and a display are arranged on the control box (32); the key module, the display, the vacuum pumping device, the driving assembly and the controller (33) are electrically connected.
2. The solder paste mixer for producing the computer main board according to claim 1, wherein a plurality of groups of guide rods (11) are uniformly distributed in a circular shape with a central axis of the mixing box (1) as a center, and each group of guide rods (11) is provided with a hollow bin along the central axis direction; each group of hollow bins is internally provided with a heating device (10); the multiple groups of heating devices (10) are all connected with the controller (33) in a control way; a temperature sensor (12) is arranged in any one hollow bin; the temperature sensor (12) is in communication with the controller (33).
3. The solder paste mixer for computer motherboard production according to claim 1, wherein the upper end face of the piston plate (16) is provided with a first limit module (15); a second limiting module (21) is arranged on the upper end face of the piston (22); the second limiting module (21) and the first limiting module (15) are in communication connection with the controller (33).
4. A solder paste mixer for production of computer main board according to claim 1, further comprising a plurality of sets of slide plates (28); wherein, a plurality of groups of sliding grooves are arranged on the inner wall of the annular clapboard (4) along the central axis direction;
the multiple groups of sliding plates (28) are connected with the peripheral surface of the piston (22), and the multiple groups of sliding plates (28) are respectively connected with the multiple groups of sliding grooves in a sliding manner.
5. The solder paste mixer for producing the computer main board according to claim 1, wherein the bottom surface of the second mixing bin (9) is recessed downward toward the central axis of the discharge opening to form a second spherical surface; the lower end surface of the piston (22) protrudes downward along the central axis direction thereof to form a first spherical surface (31) for fitting with the second spherical surface.
6. A solder paste mixer for production of computer main boards according to claim 1, wherein the drive assembly comprises a drive device (18), a first gear (19) and a second gear (20);
the first gear (19) is connected with a second threaded rod (8) positioned in the shell (17), and the central axis of the first gear (19) is superposed with the central axis of the second threaded rod (8); one end of the second threaded rod (8) is connected with an output shaft of the driving device (18); the driving device (18) is connected with the inner wall of the shell (17);
the second gear (20) is connected with the first threaded rod (3) positioned in the shell (17), the central axis of the second gear (20) is superposed with the central axis of the first threaded rod (3), and the second gear (20) is meshed with the first gear (19).
7. A solder paste mixer for computer motherboard production according to claim 6, wherein the number of teeth of the first gear (19) is the same as the number of teeth of the second gear (20), and the outer diameter value of the first gear (19) is the same as the outer diameter value of the second gear (20); the length of the first threaded rod (3) located in the mixing box (1) has the same value as the length of the second threaded rod (8).
8. Solder paste mixer for production of computer main board according to claim 1, wherein the aperture of each set of first through holes (23) is gradually increased from the apertures at both ends toward the inside.
9. A solder paste mixer for producing computer main boards according to claim 1, wherein the sealing lid (14) is screw-fittingly connected to the hopper (13).
10. A method of using a solder paste mixer for computer motherboard production, comprising the solder paste mixer for computer motherboard production of any of claims 1-9, comprising the steps of:
s1, opening the sealing cover (14), adding the raw materials of the soldering paste into the first mixing bin (2) from the feeding hopper (13), and then installing the sealing cover (14) and the feeding hopper (13) in a matching manner;
s2, starting a vacuumizing device to vacuumize the mixing box (1);
s3, controlling the driving device (18) to operate to drive the first threaded rod (3) and the second threaded rod (8) to operate simultaneously; wherein,
controlling a driving device (18) to operate in a forward direction, driving a piston plate (16) to move downwards along the central axis direction of a plurality of groups of guide rods (11) by a first threaded rod (3), driving a piston (22) to move upwards along the central axis direction of the plurality of groups of guide rods (11) by a second threaded rod (8), and pressing the raw materials in a first mixing bin (2) into a second mixing bin (9) from a plurality of groups of first through holes (23) by the piston plate (16) to mix the raw materials;
the driving device (18) is controlled to run reversely, the first threaded rod (3) drives the piston plate (16) to move upwards along the central axis direction of the plurality of groups of guide rods (11), meanwhile, the second threaded rod (8) drives the piston (22) to move downwards along the central axis direction of the plurality of groups of guide rods (11), and then the piston (22) presses the raw materials in the second mixing bin (9) into the first mixing bin (2) from the plurality of groups of first through holes (23) so as to mix the raw materials;
and S4, after the raw materials are uniformly mixed, opening the control valve (7) to collect the uniformly mixed solder paste from the discharge pipe orifice of the discharge pipe (6).
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| CN202110229664.5A CN113134315B (en) | 2021-03-02 | 2021-03-02 | Solder paste mixer for producing computer mainboard and use method thereof |
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| CN202110229664.5A CN113134315B (en) | 2021-03-02 | 2021-03-02 | Solder paste mixer for producing computer mainboard and use method thereof |
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Cited By (1)
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|---|---|---|---|---|
| CN116870743A (en) * | 2023-09-05 | 2023-10-13 | 包头职业技术学院 | Raw material mixing equipment for alloy production |
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| CN113134315B (en) | 2022-08-09 |
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