Uniform stirring machine for PCB (Printed Circuit Board) solder paste

Abstract

The utility model discloses a PCB (Printed Circuit Board) solder paste uniform stirring machine which comprises a base on which a first rotating seat is arranged; the rotating disc is rotationally arranged on the first rotating seat through a driving mechanism in the base, and second rotating seats are distributed on the rotating disc in an annular array shape; the solder paste tank positioning seat is rotationally arranged on the second rotating seat, a solder paste tank is inserted and positioned in an inner cavity of the solder paste tank positioning seat, and a plurality of first magnets are circumferentially distributed on the side surface of the solder paste tank positioning seat; and a second magnet is arranged on the rotation guide mechanism. The solder paste stirrer can solve the problems that when an existing solder paste stirrer is used, solder paste stirring is not uniform, stirring quality and efficiency are poor, and the welding effect is affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a stirring machine technical field, concretely speaking, a kind of PCB tin cream uniform stirring machine. BACKGROUND

[0002] In PCB circuit board processing link, tin cream is indispensable processing material on PCB board electronic component welding operation.Tin cream main component is metal lead-tin alloy or tin other alloy and flux, long-time storage or transport process, metal tin alloy can sink to cream bottom, therefore, in addition to being warmed to room temperature before use, tin cream is also stirred to ensure that tin cream composition is uniform.

[0003] The existing tin cream stirring mode mainly includes using stirrer to automatically stir tin cream or tin cream jar and manual stirring, and the above-mentioned stirring mode all has the problems of uneven stirring, poor stirring quality and efficiency and influence welding effect. UTILITY MODEL CONTENTS

[0004] The utility model aims at: in order to solve the uneven stirring of existing tin cream stirrer, the problem of poor stirring quality and efficiency and influence welding effect when using, and provide a kind of PCB tin cream uniform stirring machine.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of PCB tin cream uniform stirring machine, comprising:

[0006] Base, first rotary seat is arranged on it;

[0007] Rotating disc is rotationally arranged on the first rotary seat by the drive mechanism in the base, and second rotary seat is arranged in annular array on it;

[0008] Tin cream jar positioning seat is rotationally arranged on the second rotary seat, tin cream jar is inserted and positioned in the inner cavity thereof, and a plurality of first magnets are circumferentially arranged on the side surface thereof;

[0009] Self-rotation guide mechanism, second magnet is arranged on it.

[0010] As a further description of the above technical scheme:

[0011] The drive mechanism is arranged in the mounting groove of the base, and comprises drive gear and drive gear ring connected with each other, the drive gear is connected with the output shaft of motor, and the drive gear ring is positioned at the bottom of the rotating disc.

[0012] As a further description of the above technical scheme:

[0013] The mounting groove is further provided with a positioning column, the rotating disc and the driving gear ring are rotatably sleeved on the positioning column, and a limiting seat is arranged at the top of the positioning column and abuts against the top surface of the rotating disc.

[0014] As a further description of the above technical solution:

[0015] The side surface of the limiting seat is circumferentially provided with a plurality of third magnets.

[0016] As a further description of the above technical solution:

[0017] The inner cavity side wall of the tin paste jar positioning seat outwardly extends a positioning groove, a limiting block is slidably arranged in the positioning groove, and a first elastic member is arranged between the positioning groove and the limiting block.

[0018] As a further description of the above technical solution:

[0019] A second elastic member is embeddedly arranged at the bottom of the inner cavity of the tin paste jar positioning seat.

[0020] As a further description of the above technical solution:

[0021] The top of the tin paste jar is sleeved with a limiting ring, and the outer edge of the limiting ring is embedded into the recessed edge outside the top of the inner cavity of the tin paste jar positioning seat.

[0022] As a further description of the above technical solution:

[0023] A third rotating seat is arranged at the top of the tin paste jar positioning seat, and a pressing sheet is rotatably arranged on the third rotating seat through a connecting shaft and is pressed against the outer edge of the limiting ring.

[0024] As described above, compared with the prior art, the utility model has the following advantages

[0025] Beneficial effects:

[0026] During stirring of the mixer, the motor operates to drive the gear to rotate, the rotation of the rotating disc is realized through the meshing connection between the gear and the driving gear ring, the tin paste jar synchronously revolves, centrifugal stirring is realized, during the period, the relative position of the tin paste jar positioning seat, the self-rotation guiding mechanism and the limiting seat changes, the magnetic force action between the first magnet and the two magnets on the inner and outer sides changes, and then the tin paste jar positioning seat self-rotates to realize double stirring. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.

[0028] Fig. 1 It is a partial sectional view of a kind of PCB tin cream uniform stirrer.

[0029] Fig. 2 It is the use state sectional view of tin cream jar positioning seat in a kind of PCB tin cream uniform stirrer.

[0030] Legend:

[0031] 1, base;2, first rotating seat;3, turntable;4, driving mechanism;5, second rotating seat;6, tin cream jar positioning seat;7, first magnet;8, autorotation guide mechanism;9, second magnet;10, driving gear;11, driving gear ring;12, positioning column;13, limit seat;14, third magnet;15, limit block;16, first elastic member;17, second elastic member;18, limit ring;19, third rotating seat;20, press attached elastic sheet;100, tin cream jar. Specific embodiments

[0032] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, and obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] Please refer to Figs. 1-2 The present application provides a technical scheme: a kind of PCB tin cream uniform stirrer, comprising:

[0035] Base 1, first rotating seat 2 is arranged on it;

[0036] A rotating disc 3 is arranged on the first rotating seat 2 by a driving mechanism 4 in the base 1, and a second rotating seat 5 is arranged on the rotating disc 3 in an annular array;

[0037] A tin paste pot positioning seat 6 is arranged on the second rotating seat 5, and a tin paste pot 100 is arranged in the inner cavity of the tin paste pot positioning seat 6, and a plurality of first magnets 7 are arranged on the side surface of the tin paste pot positioning seat 6 in a circumferential direction;

[0038] A self-rotation guiding mechanism 8 is arranged on the tin paste pot positioning seat 6, and a second magnet 9 is arranged on the self-rotation guiding mechanism 8.

[0039] The driving mechanism 4 is arranged in a mounting groove of the base 1, and includes a driving gear 10 and a driving gear ring 11 which are connected to each other in a meshing manner, the driving gear 10 is connected to the output shaft of a motor, and the driving gear ring 11 is arranged at the bottom of the rotating disc 3, so as to improve the stability of the rotating driving of the rotating disc 3, and further improve the stirring effect of the tin paste in the tin paste pot when the tin paste pot rotates.

[0040] A positioning column 12 is further arranged in the mounting groove, the rotating disc 3 and the driving gear ring 11 are rotatably sleeved on the positioning column 12, a limiting seat 13 is arranged at the top of the positioning column 12, and the limiting seat 13 abuts against the top surface of the rotating disc 3, so as to guide and limit the rotation of the rotating disc 3.

[0041] A plurality of third magnets 14 are arranged on the side surface of the limiting seat 13 in a circumferential direction. The magnetic cooperation of the first magnets 7 and the second magnets 9 realizes the rotation of the rotating disc 3 and the self-rotation of the tin paste pot positioning seat 6 when the tin paste pot rotates, and on this basis, the third magnets 14 are additionally arranged on the inner side, so as to realize the magnetic traction on the inner side, and improve the stability of the self-rotation.

[0042] The inner cavity side wall of the tin paste pot positioning seat 6 outwardly extends a positioning groove, a limiting block 15 is slidably arranged in the positioning groove, and a first elastic member 16 is arranged between the positioning groove and the limiting block 15, so as to stably limit the tin paste pot 100 and facilitate the removal of the tin paste pot 100.

[0043] A second elastic member 17 is embeddedly arranged at the inner cavity bottom of the tin paste pot positioning seat 6, so that the tin paste pot positioning seat 6 forms an upward elastic ejection force on the tin paste pot 100, so as to facilitate the buffering when the tin paste pot 100 is put in and the automatic ejection when the vertical limiting action on the tin paste pot 100 is released, and facilitate the removal.

[0044] A limiting ring 18 is sleeved on the top of the tin paste pot 100, and the outer edge of the limiting ring 18 is embedded in the inner cavity top outer side of the tin paste pot positioning seat 6. A third rotating seat 19 is arranged at the top of the tin paste pot positioning seat 6, a pressing elastic piece 20 is rotatably arranged on the third rotating seat 19 through a connecting shaft, and the end of the pressing elastic piece 20 is pressed on the outer edge of the limiting ring 18. Thus, the design stably limits the vertical position of the tin paste pot 100, and the locking and unlocking operations of the limiting ring 18 are convenient.

[0045] The working principle of the PCB tin paste uniform stirring machine of the embodiment includes: before stirring operation, the tin paste tank 100 is placed into the inner cavity of the tin paste tank positioning seat 6, the limiting block 15 is extruded by the tin paste tank 100 and is moved outward and elastically abuts against the tin paste tank 100, horizontal plane positioning is realized, the second elastic member 17 buffers it, the limiting ring 18 is sleeved on the top of the tin paste tank 100 and is pressed downward, and the rotary pressing elastic sheet 20 is rotated to press and position the limiting ring 18, so that the tin paste tank 100 is quickly positioned; during stirring, the motor is operated to drive the gear 10 to rotate, through the meshing connection of the gear 10 and the drive gear ring 11, the rotation of the disc 3 is realized, the tin paste tank 100 is synchronized with revolution, centrifugal stirring is realized, during the period, the tin paste tank positioning seat 6 and the self-rotation guide mechanism 8 and the limiting seat 13 change the relative position, so that the magnetic force action of the first magnet 7 and the two magnets on the inner and outer sides is changed, and then the tin paste tank positioning seat 6 is self-rotated to realize double stirring; after stirring is completed, the motor is stopped, the self-rotation of the tin paste tank positioning seat 6 is stopped, the rotary pressing elastic sheet 20 is rotated, the second elastic member 17 pushes out the tin paste tank 100 and the limiting ring 18, and the stirred tin paste tank 100 can be taken out. Through the above-mentioned double stirring mode of the revolution and the self-rotation of the tin paste tank 100, the tin paste is stirred uniformly and quickly. The magnet can be a permanent magnet or an electromagnet.

[0046] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A PCB solder paste homogenizing mixer characterized by, Include: The base, on which the first rotating seat is arranged; Rotary disc, which is arranged on the first rotating seat by the drive mechanism in the base, and the second rotating seat is arranged in an annular array on it; Solder paste tank positioning seat, which is rotatably arranged on the second rotating seat, and the solder paste tank is inserted and positioned in the inner cavity, and a plurality of first magnets are arranged on the side surface in the circumferential direction; Self-rotation guide mechanism, which is provided with a second magnet.

2. The PCB solder paste homogenizing machine of claim 1, wherein, The drive mechanism is arranged in the mounting groove of the base, which includes a drive gear and a drive gear ring connected with each other, the drive gear is connected with the output shaft of the motor, and the drive gear ring is positioned at the bottom of the rotary disc.

3. The PCB solder paste homogenizing machine of claim 2, wherein, The mounting groove is also provided with a positioning column, and the rotary disc and the drive gear ring are rotatably sleeved on the positioning column, and the top of the positioning column is provided with a limiting seat, which abuts against the top surface of the rotary disc.

4. The PCB solder paste homogenizing machine of claim 3, wherein, The side surface of the limiting seat is circumferentially provided with a plurality of third magnets.

5. The PCB solder paste homogenizing machine of claim 1, wherein, The inner cavity side wall of the solder paste tank positioning seat extends outwardly with a positioning groove, a limiting block is slidably arranged in the positioning groove, and a first elastic member is arranged between the positioning groove and the limiting block.

6. The PCB solder paste homogenizing machine of claim 1, wherein, The inner cavity bottom of the solder paste tank positioning seat is embedded with a second elastic member.

7. The PCB solder paste homogenizing machine of claim 1, wherein, The top of the solder paste tank is sleeved with a limiting ring, and the outer edge of the limiting ring is embedded in the recessed edge outside the top of the inner cavity of the solder paste tank positioning seat.

8. The PCB solder paste homogenizing machine of claim 7, wherein, The top of the solder paste tank positioning seat is provided with a third rotating seat, and the pressing elastic sheet is rotatably arranged on the third rotating seat through a connecting shaft, and the end thereof is pressed on the outer edge of the limiting ring.

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