Solder paste stirrer for SMT production line quality detection

Abstract

The utility model discloses a solder paste stirrer for SMT production line quality detection, and relates to the technical field of solder paste stirring. The device comprises a workbench and a stirring barrel, a rotating assembly is fixedly arranged at the top end of the workbench, the rotating assembly is connected with the stirring barrel, an L-shaped supporting plate is fixedly arranged at the top end of the workbench, and a mixing assembly is arranged at the top end of the L-shaped supporting plate; by means of the stirring barrel and the mixing assembly, the influence of the structure in the barrel on solder paste taking can be reduced, then the stirring barrel is moved upwards, limiting blocks are moved into grooves from limiting grooves, inserting blocks are moved out of inserting grooves, and the stirring barrel is taken down, so that the situation that the solder paste in the stirring barrel is inconvenient to take out can be avoided, and the purpose of conveniently taking out the solder paste is achieved; the solder paste is stirred and mixed through a first mixing rod of the stirring rod and a second mixing rod of the auxiliary rod in a staggered mode, meanwhile, the telescopic end of the electric telescopic rod drives the stirring rod to slightly move up and down in the stirring barrel in a reciprocating mode, the mixing effect of the solder paste is further improved, and therefore the solder paste can be conveniently stirred.

Description

Technical Field

[0001] The utility model relates to the technical field of solder paste stirring, in particular to a solder paste stirring machine for quality detection of an SMT production line. Background Art

[0002] SMT is the surface mount technology, which is the most popular technology and process in the current electronic assembly industry. It is a circuit assembly technology that mounts pinless or short-lead surface mount components on the surface of a printed circuit board or other substrate, and assembles them by soldering or dip soldering. Soldering generally uses solder paste, which needs to be mixed evenly by a stirring device before use to avoid uneven solder paste composition affecting the welding effect.

[0003] Most existing mixing devices add solder paste into a semi-enclosed mixing barrel, but this structure makes it difficult to take the solder paste out of the barrel after mixing, which is not conducive to subsequent use. Utility Model Content

[0004] In order to solve the problem that it is difficult to take out solder paste from a semi-enclosed mixing barrel, the utility model aims to provide a solder paste mixer for quality inspection of an SMT production line.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a solder paste mixer for quality inspection of an SMT production line, comprising a workbench and a mixing barrel, wherein the mixing barrel is located on the workbench, a rotating assembly is fixedly provided on the top of the workbench, the rotating assembly is connected to the mixing barrel, an L-shaped support plate is fixedly provided on the top of the workbench, and a mixing assembly is provided on the top of the L-shaped support plate; the rotating assembly comprises a rotating seat, the rotating seat is rotatably mounted on the workbench, a motor is fixedly provided at the bottom end of the rotating seat, an end of the motor output shaft movably passes through the workbench and is fixedly connected to the bottom end of the rotating seat, a slot is provided on the top end of the rotating seat, and an insert is fixedly provided at the bottom end of the mixing barrel The insert block is movably inserted into the interior of the slot, a groove is provided on the inner wall of the slot, a limit block is slidably provided inside the groove, a limit groove is provided on the outer side of the insert block, the limit block is movably inserted in the limit groove, the rotating seat is driven to rotate by the end of the motor output shaft, the rotating seat drives the mixing barrel to rotate at a uniform speed, and the mixing barrel is moved upward so that the limit block moves from the limit groove into the groove, and the insert block is moved out of the slot to remove the mixing barrel, so as to avoid the inconvenience of removing the internal solder paste of the mixing barrel, and the outer side of the mixing barrel is fixedly provided with handles which are symmetrically distributed, and the mixing barrel can be conveniently moved by the handles, and the bottom end of the workbench is fixedly provided with support legs distributed in a rectangular array, and the stability of the device can be improved by the support legs.

[0006] Preferably, the mixing assembly comprises a cover plate, an electric telescopic rod is fixedly provided on the top end of the L-shaped support plate, the telescopic end of the electric telescopic rod movably passes through the middle part of the cover plate, a stirring rod is fixedly provided on the telescopic end of the electric telescopic rod, an auxiliary rod distributed in a ring array is fixedly provided on the outer side of the stirring rod, a plurality of symmetrically distributed first mixing rods are fixedly provided on the outer side of the stirring rod, a second mixing rod distributed side by side is fixedly provided on the side of the auxiliary rod close to the stirring rod, and the solder paste is stirred and mixed by the first mixing rod of the stirring rod and the second mixing rod of the auxiliary rod through dislocation At the same time, the telescopic end of the electric telescopic rod drives the stirring rod to move back and forth slightly up and down in the stirring barrel, so as to further improve the mixing effect of the solder paste, which can facilitate the stirring of the solder paste. A sealing gasket is fixedly provided on the side of the cover plate close to the stirring rod, and the sealing performance between the cover plate and the stirring barrel is improved by the sealing gasket. A positioning plate is fixedly provided on the top of the stirring rod, and one side of the positioning plate is fitted with the telescopic end of the electric telescopic rod. The stirring rod drives the cover plate to move upward through the positioning plate, and the first mixing rod and the second mixing rod are staggered. This can improve the mixing effect of the solder paste.

[0007] Preferably, a guide rod is fixedly provided inside the groove, one end of the guide rod movably passes through the limit block, a return spring is movably sleeved on the outer side of the guide rod, and both ends of the return spring are respectively fixedly connected to the inner wall of the groove and one side of the limit block.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The mixing barrel and mixing assembly can reduce the influence of the structure inside the barrel on the solder paste removal. Then, by moving the mixing barrel upward, the limit block is moved from the limit slot into the groove, and the plug block is removed from the slot to remove the mixing barrel. This can avoid the inconvenience of removing the solder paste inside the mixing barrel, thereby achieving the purpose of facilitating the removal of the solder paste.

[0010] 2. The solder paste is stirred and mixed by the first mixing rod of the stirring rod and the second mixing rod of the auxiliary rod through dislocation. At the same time, the telescopic end of the electric telescopic rod drives the stirring rod to move up and down slightly in the stirring barrel, further improving the mixing effect of the solder paste, which makes it convenient to stir the solder paste. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1It is a schematic diagram of the structure of the utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the utility model.

[0014] Figure 3 for Figure 2 A is an enlarged view of the structure.

[0015] In the figure: 1. workbench; 2. rotating assembly; 21. rotating seat; 22. insert block; 23. slot; 24. groove; 25. limit block; 26. limit slot; 27. motor; 28. guide rod; 29. ​​reset spring; 3. mixing barrel; 4. L-shaped support plate; 5. mixing assembly; 51. electric telescopic rod; 52. cover plate; 53. stirring rod; 54. auxiliary rod; 55. first mixing rod; 56. second mixing rod; 57. sealing pad; 58. positioning plate; 6. support leg; 7. handle. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example: Figure 1-3As shown, the utility model provides a solder paste mixer for quality inspection of an SMT production line, comprising a workbench 1 and a mixing barrel 3, the mixing barrel 3 being located on the workbench 1, a rotating assembly 2 being fixedly provided on the top of the workbench 1, the rotating assembly 2 being connected to the mixing barrel 3, an L-shaped supporting plate 4 being fixedly provided on the top of the workbench 1, a mixing assembly 5 being provided on the top of the L-shaped supporting plate 4; the rotating assembly 2 comprising a rotating seat 21, the rotating seat 21 being rotatably mounted on the workbench 1, a motor 27 being fixedly provided on the bottom end of the rotating seat 21, the end of the output shaft of the motor 27 being movably passed through the workbench 1 and being fixedly connected to the bottom end of the rotating seat 21, a slot 23 being provided on the top end of the rotating seat 21, an insert block 22 being fixedly provided on the bottom end of the mixing barrel 3, the insert block 22 being movably inserted in the interior of the slot 23, the insert block 22 being inserted in the interior of the slot 23, and the insert block 22 being inserted in the interior of the slot 23. A groove 24 is provided on the inner wall of the groove 23, and a limit block 25 is provided for sliding inside the groove 24. A limit groove 26 is provided on the outer side of the insert block 22, and the limit block 25 is movably inserted in the limit groove 26. The end of the output shaft of the motor 27 drives the rotating seat 21 to rotate, and the rotating seat 21 drives the mixing barrel 3 to rotate at a uniform speed. By moving the mixing barrel 3 upward, the limit block 25 is moved from the limit groove 26 into the groove 24, and the insert block 22 is moved out of the slot 23 to remove the mixing barrel 3, so as to avoid the inconvenience of removing the internal solder paste of the mixing barrel 3. The outer side of the mixing barrel 3 is fixed with handles 7 which are symmetrically distributed, and the mixing barrel 3 can be conveniently moved by the handles 7. The bottom end of the workbench 1 is fixed with support legs 6 distributed in a rectangular array, and the stability of the device can be improved by the support legs 6.

[0018] The mixing assembly 5 includes a cover plate 52, an electric telescopic rod 51 is fixedly provided on the top of the L-shaped support plate 4, the telescopic end of the electric telescopic rod 51 movably passes through the middle of the cover plate 52, a stirring rod 53 is fixedly provided on the telescopic end of the electric telescopic rod 51, an auxiliary rod 54 distributed in a ring array is fixedly provided on the outside of the stirring rod 53, a plurality of symmetrically distributed first mixing rods 55 are fixedly provided on the outside of the stirring rod 53, and a side of the auxiliary rod 54 close to the stirring rod 53 is fixedly provided with a second mixing rod 56 distributed side by side, the first mixing rod 55 of the stirring rod 53 and the second mixing rod 56 of the auxiliary rod 54 are staggered to mix the solder paste, and at the same time The telescopic end of the electric telescopic rod 51 drives the stirring rod 53 to move back and forth up and down in the stirring barrel 3, further improving the mixing effect of the solder paste, which can facilitate the stirring of the solder paste. A sealing gasket 57 is fixedly provided on the side of the cover plate 52 close to the stirring rod 53. The sealing gasket 57 improves the sealing between the cover plate 52 and the stirring barrel 3. A positioning plate 58 is fixedly provided on the top of the stirring rod 53. One side of the positioning plate 58 is fitted with the telescopic end of the electric telescopic rod 51. The stirring rod 53 drives the cover plate 52 to move upward through the positioning plate 58. The first mixing rod 55 and the second mixing rod 56 are staggered. This can improve the mixing effect of the solder paste.

[0019] A guide rod 28 is fixedly provided inside the groove 24, one end of the guide rod 28 movably passes through the limit block 25, and a return spring 29 is movably sleeved on the outer side of the guide rod 28. The two ends of the return spring 29 are respectively fixedly connected to the inner wall of the groove 24 and one side of the limit block 25. The guide rod 28 keeps the limit block 25 stable in movement, and the elastic force of the return spring 29 can drive the limit block 25 to reset.

[0020] Working principle: First, solder paste is added into the mixing barrel 3, and the electric telescopic rod 51 is started, so that the end of the output shaft of the electric telescopic rod 51 drives the stirring rod 53 to move downward, so that the stirring rod 53 is inserted into the mixing barrel 3, and at the same time, the cover plate 52 moves downward synchronously and covers the mixing barrel 3 by gravity, and the sealing between the cover plate 52 and the mixing barrel 3 is improved by the sealing gasket 57, and then the motor 27 is started to make the motor 27 start to work, and the end of the output shaft of the motor 27 drives the rotating seat 21 to rotate, and the rotating seat 21 drives the mixing barrel 3 to rotate at a uniform speed, and the mixing barrel 3 drives the internal solder paste to rotate, so that the first mixing rod 55 of the stirring rod 53 and the second mixing rod 56 of the auxiliary rod 54 are staggered to mix the solder paste, and at the same time, the telescopic end of the electric telescopic rod 51 drives the stirring rod 53 to move up and down in the mixing barrel 3 in a small range, so as to further improve the mixing effect of the solder paste, so that the solder paste can be conveniently stirred;

[0021] When the solder paste is stirred, the telescopic end of the electric telescopic rod 51 is started to drive the stirring rod 53 to move out of the stirring barrel 3 and reset. At the same time, the stirring rod 53 drives the cover plate 52 to move upward and reset through the positioning plate 58. Then hold the handle 7 and move the stirring barrel 3 upward. The limiting block 25 is moved from the limiting groove 26 into the groove 24 through the squeezing force on the limiting block 25 in the limiting groove 26, and the limiting block 25 is kept stable by the guide rod 28. Then the insert block 22 is moved out of the slot 23 to remove the stirring barrel 3. This can avoid the inconvenience of taking out the internal solder paste of the stirring barrel 3, thereby achieving the purpose of facilitating the removal of the solder paste.

[0022] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A solder paste mixer for quality inspection of an SMT production line, comprising a workbench (1) and a mixing barrel (3), characterized in that: The stirring barrel (3) is located on the workbench (1); a rotating assembly (2) is fixedly provided on the top of the workbench (1); the rotating assembly (2) is connected to the stirring barrel (3); an L-shaped supporting plate (4) is fixedly provided on the top of the workbench (1); a mixing assembly (5) is provided on the top of the L-shaped supporting plate (4); The rotating assembly (2) comprises a rotating seat (21), the rotating seat (21) is rotatably mounted on the workbench (1), a motor (27) is fixedly provided at the bottom end of the rotating seat (21), the end of the output shaft of the motor (27) movably passes through the workbench (1) and is fixedly connected to the bottom end of the rotating seat (21), a slot (23) is provided at the top end of the rotating seat (21), an insert block (22) is fixedly provided at the bottom end of the mixing barrel (3), the insert block (22) is movably inserted into the inside of the slot (23), a groove (24) is provided on the inner wall of the slot (23), a limit block (25) is slidably provided inside the groove (24), a limit groove (26) is provided on the outer side of the insert block (22), and the limit block (25) is movably inserted into the limit groove (26).

2. A solder paste mixer for SMT production line quality inspection as claimed in claim 1, characterized in that: The mixing assembly (5) comprises a cover plate (52), an electric telescopic rod (51) is fixedly provided at the top end of the L-shaped support plate (4), the telescopic end of the electric telescopic rod (51) movably passes through the middle of the cover plate (52), a stirring rod (53) is fixedly provided at the telescopic end of the electric telescopic rod (51), auxiliary rods (54) distributed in a ring array are fixedly provided on the outer side of the stirring rod (53), a plurality of symmetrically distributed first mixing rods (55) are fixedly provided on the outer side of the stirring rod (53), and second mixing rods (56) distributed side by side are fixedly provided on the side of the auxiliary rod (54) close to the stirring rod (53).

3. The solder paste mixer for SMT production line quality inspection according to claim 1, characterized in that: A guide rod (28) is fixedly provided inside the groove (24), one end of the guide rod (28) movably passes through the limit block (25), a return spring (29) is movably sleeved on the outer side of the guide rod (28), and two ends of the return spring (29) are respectively fixedly connected to the inner wall of the groove (24) and one side of the limit block (25).

4. A solder paste mixer for SMT production line quality inspection as claimed in claim 2, characterized in that: A sealing gasket (57) is fixedly provided on one side of the cover plate (52) close to the stirring rod (53).

5. A solder paste mixer for SMT production line quality inspection as claimed in claim 2, characterized in that: A positioning plate (58) is fixedly sleeved at the top end of the stirring rod (53), and one side of the positioning plate (58) is in contact with the telescopic end of the electric telescopic rod (51).

6. A solder paste mixer for SMT production line quality inspection as claimed in claim 1, characterized in that: The outer side of the mixing barrel (3) is fixedly provided with handles (7) which are symmetrically distributed.

7. A solder paste mixer for SMT production line quality inspection as claimed in claim 1, characterized in that: Support legs (6) distributed in a rectangular array are fixedly provided at the bottom end of the workbench (1).

8. A solder paste mixer for SMT production line quality inspection as claimed in claim 2, characterized in that: The first mixing rod (55) and the second mixing rod (56) are distributed in a staggered manner.

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