A feeding device for solder paste processing

Abstract

The invention discloses a feeding device for tin solder paste processing, comprising a base, a fixing frame and a mounting platform, wherein the fixing frame is fixedly arranged on the base, a mixing box is fixedly arranged on the fixing frame, a first supporting platform and a second supporting platform are symmetrically arranged on both sides of the fixing frame, a grinding box is fixedly arranged above the first supporting platform through a plurality of vertical rods; a load-bearing column is fixedly arranged on the second supporting platform, the mounting platform is rotatably arranged on the top of the load-bearing column, a second telescopic rod is rotatably arranged at one end of the mounting platform, a stirring rod assembly is fixedly arranged at the lower end of the second telescopic rod; two connecting blocks are fixedly arranged at the other end of the mounting platform, a bidirectional threaded rod is rotatably arranged between the two connecting blocks, movable blocks are symmetrically penetrated on the bidirectional threaded rod, a scissor mechanism is hingedly arranged between the two movable blocks, an extrusion plate is hingedly arranged at the lower end of the scissor mechanism, the tin solder paste raw material is sequentially ground, stirred and filtered for pretreatment before feeding, the device has diverse functions, simple operation and good practicality.

Description

Technical Field

[0001] The invention relates to the technical field of feeding devices, in particular to a feeding device used for solder paste processing. Background Art

[0002] Tin solder paste is also called solder paste. It is a gray paste. Solder paste is a new type of welding material that came into being with SMT. It is a paste mixture formed by mixing solder powder, flux and other surfactants, thixotropic agents, etc. It is mainly used for welding electronic components such as resistors, capacitors, ICs on the surface of PCBs in the SMT industry. Solder paste has a certain viscosity at room temperature and can initially stick electronic components to a given position. At the welding temperature, as the solvent and some additives evaporate, the components to be welded are welded to the printed circuit pads to form a permanent connection.

[0003] The existing feeding device for processing solder paste has a relatively simple structure and function, and is unable to pre-treat the solder paste, thereby affecting the processing quality of the solder paste. Therefore, the present invention proposes a feeding device for processing solder paste to solve the above problem. Summary of the invention

[0004] The embodiment of the present invention aims to provide a feeding device for solder paste processing to solve the above-mentioned problem.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A feeding device for tin solder paste processing comprises a base, a fixing frame and a mounting platform, the fixing frame is fixedly arranged on the base, a mixing box is fixedly arranged on the fixing frame, a first supporting platform and a second supporting platform are symmetrically arranged on both sides of the fixing frame, a grinding box is fixedly arranged above the first supporting platform through a plurality of vertical rods, a first telescopic rod is rotatably arranged on the top of the inner cavity of the grinding box, a grinding block is fixedly arranged on the lower end of the first telescopic rod; a load-bearing column is fixedly arranged on the second supporting platform, the mounting platform is rotatably arranged on the top of the load-bearing column, a second telescopic rod is rotatably arranged on one end of the mounting platform, a stirring rod assembly is fixedly arranged on the lower end of the second telescopic rod; two connecting blocks are fixedly arranged on the other end of the mounting platform, a bidirectional threaded rod is rotatably arranged between the two connecting blocks, movable blocks are symmetrically penetrated on the bidirectional threaded rod, a scissors mechanism is hingedly arranged between the two movable blocks, and an extrusion plate is hingedly arranged at the lower end of the scissors mechanism.

[0007] In an optional solution: a plurality of spike rods are symmetrically inserted on the base, and the spike rods are threadedly connected to the base.

[0008] In an optional solution: a feed port is provided on the side wall of the grinding box, a first motor is installed on the top of the grinding box, and an output shaft of the first motor extends into the grinding box and is fixedly connected to the upper end of the first telescopic rod.

[0009] In an optional solution: a material guide pipe is connected to the bottom of the grinding box, one end of the material guide pipe away from the grinding box extends into the mixing box, and a first discharge valve is provided on the material guide pipe.

[0010] In an optional solution: a limit pin for positioning itself is threadedly connected to the mounting platform.

[0011] In an optional solution: a second motor is fixedly provided on the top of the mounting platform, and an output shaft of the second motor extends into the mounting platform and is fixedly connected to the upper end of the second telescopic rod.

[0012] In an optional solution: an electric motor is fixedly disposed on one of the two connecting blocks, and the output shaft of the electric motor extends into the connecting block and is fixedly connected to one end of the bidirectional threaded rod.

[0013] In an optional solution: a discharge pipe is provided at the bottom of the mixing box, a grid is provided inside the discharge pipe, and a second discharge valve is provided on the discharge pipe.

[0014] Compared with the prior art, the beneficial effects of the embodiments of the present invention are as follows:

[0015] 1. It is equipped with a grinding box, a stirring rod assembly, an extrusion plate and a mixing box. The solder paste raw materials are ground, stirred and filtered before loading, which effectively improves the processing quality of the product. It has various functions, simple operation and good practicality.

[0016] 2. A spike rod is provided. When the device is installed and fixed, the spike rod is rotated with a tool so that its lower end is inserted into the ground, which greatly improves the firmness and safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. 1 is a schematic structural diagram of a first embodiment of the present invention.

[0018] Figure 2 FIG. 2 is a schematic structural diagram of a second embodiment of the present invention.

[0019] Notes on figure numbers: 1-base, 2-fixed frame, 3-first supporting platform, 4-vertical rod, 5-grinding box, 6-feeding port, 7-grinding block, 8-first telescopic rod, 9-first motor, 10-first discharge valve, 11-material guide pipe, 12-stirring rod assembly, 13-second telescopic rod, 14-second motor, 15-mounting platform, 16-load-bearing column, 17-electric motor, 18-bidirectional threaded rod, 19-movable block, 20-connecting block, 21-scissor mechanism, 22-extrusion plate, 23-second supporting platform, 24-mixing box, 25-grid, 26-second discharge valve, 27-discharge pipe, 28-spike rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] Example 1

[0022] See also Figure 1 In an embodiment of the present invention, a feeding device for solder paste processing includes a base 1, a fixing frame 2 and a mounting table 15, wherein the fixing frame 2 is fixedly mounted on the base 1, a mixing box 24 is fixedly mounted on the fixing frame 2, a first supporting platform 3 and a second supporting platform 23 are symmetrically mounted on both sides of the fixing frame 2, a grinding box 5 is fixedly mounted above the first supporting platform 3 through a plurality of vertical rods 4, a feeding port 6 is mounted on the side wall of the grinding box 5, a first telescopic rod 8 is rotatably mounted on the top of the inner cavity of the grinding box 5, a grinding block 7 is fixedly mounted on the lower end of the first telescopic rod 8, a first motor 9 is mounted on the top of the grinding box 5, an output shaft of the first motor 9 extends into the grinding box 5 and is fixedly connected to the upper end of the first telescopic rod 8, a material guide pipe 11 is connected to the bottom of the grinding box 5, an end of the material guide pipe 11 away from the grinding box 5 extends into the mixing box 24, and a first discharge valve 10 is mounted on the material guide pipe 11.

[0023] A load-bearing column 16 is fixedly provided on the second support platform 23, and a mounting platform 15 is rotatably provided on the top of the load-bearing column 16. A limit pin for positioning itself is threadedly connected to the mounting platform 15. A second telescopic rod 13 is rotatably provided at one end of the mounting platform 15. Both the second telescopic rod 13 and the first telescopic rod 8 are electric telescopic rods. A stirring rod assembly 12 is fixedly provided at the lower end of the second telescopic rod 13. A second motor 14 is fixedly provided on the top of the mounting platform 15. The output shaft of the second motor 14 extends into the mounting platform 15 and is fixedly connected to the upper end of the second telescopic rod 13. Two connecting blocks 20 are fixedly provided at the other end of the mounting platform 15, and a rotating connecting rod 12 is provided between the two connecting blocks 20. A bidirectional threaded rod 18, wherein the threads on the two rod sections divided by the midpoint have opposite directions, an electric motor 17 is fixedly arranged on one of the two connecting blocks 20, the output shaft of the electric motor 17 extends into the connecting block 20 and is fixedly connected to one end of the bidirectional threaded rod 18, and movable blocks 19 are symmetrically penetrated on the bidirectional threaded rod 18, the movable blocks 19 are both threadedly connected to the bidirectional threaded rod 18, the upper ends of the movable blocks 19 are both slidably connected to the bottom of the mounting platform 15, a scissor mechanism 21 is hingedly installed between the two movable blocks 19, and an extrusion plate 22 is hingedly arranged at the lower end of the scissor mechanism 21, and the outer diameter of the extrusion plate 22 is the same as the inner diameter of the mixing box 24.

[0024] A discharge pipe 27 is provided at the bottom of the mixing box 24, a grid 25 is provided inside the discharge pipe 27, and a second discharge valve 26 is provided on the discharge pipe 27; a power supply interface and a control cabinet are provided on the base 1.

[0025] When in use, first put the additive raw materials such as solder powder and flux into the grinding box 5, and start the first telescopic rod 8 and the first motor 9 to fully and evenly grind them, then introduce the ground additive raw materials into the mixing box 24 through the guide tube 11 to mix with the paste raw materials, and then start the second telescopic rod 13 and the second motor 14, the second motor 14 drives the stirring rod assembly 12 to rotate at a uniform speed, at the same time, the second telescopic rod 13 drives the stirring rod assembly 12 to move up and down continuously so that the additive raw materials and the paste raw materials are fully mixed, finally rotate the mounting table 15 so that the extrusion plate 22 is located directly above the mixing box 24 and start the electric motor 17, the electric motor 17 drives the bidirectional threaded rod 18 to rotate so that the two movable blocks 19 move toward the center point of the bidirectional threaded rod 18, the scissor mechanism 21 extends to make the extrusion plate 22 squeeze out the solder paste in the mixing box 24, and during the extrusion process, the grid 25 filters the impurities in the solder paste, so that the product quality is better, the structure is simple, and it is convenient and practical.

[0026] Example 2

[0027] See also Figure 2 The difference between the embodiment of the present invention and embodiment 1 is that, further, in order to improve the stability and safety of the device, a plurality of spike rods 28 are symmetrically inserted on the base 1, and the spike rods 28 are threadedly connected to the base 1. When the device is installed and fixed, the spike rods 28 are rotated with a tool so that the lower end thereof is inserted into the ground, which greatly improves the firmness and safety of the device.

[0028] The working principle of the present invention is as follows: when the present invention is used, firstly, additive raw materials such as solder powder and flux are put into the grinding box 5, and the first telescopic rod 8 and the first motor 9 are started to fully and evenly grind them, then the ground additive raw materials are introduced into the mixing box 24 through the guide tube 11 to mix with the paste raw materials, and then the second telescopic rod 13 and the second motor 14 are started, and the second motor 14 drives the stirring rod assembly 12 to rotate at a uniform speed. At the same time, the second telescopic rod 13 drives the stirring rod assembly 12 to move up and down continuously so that the additive raw materials and the paste raw materials are fully mixed, and finally the mounting table 15 is rotated so that the extrusion plate 22 is located directly above the mixing box 24 and the electric motor 17 is started, and the electric motor 17 drives the bidirectional threaded rod 18 to rotate so that the two movable blocks 19 move toward the center point of the bidirectional threaded rod 18, and the scissor mechanism 21 is extended so that the extrusion plate 22 squeezes out the solder paste in the mixing box 24, and during the extrusion process, the grid net 25 filters the impurities in the solder paste, so that the product quality is better, the structure is simple, and it is convenient and practical.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A feeding device for solder paste processing, comprising a base (1), a fixing frame (2) and a mounting table (15), wherein the fixing frame (2) is fixedly mounted on the base (1), and characterized in that: A mixing box (24) is fixedly provided on the fixed frame (2), a first support platform (3) and a second support platform (23) are symmetrically provided on both sides of the fixed frame (2), a grinding box (5) is fixedly provided above the first support platform (3) via a plurality of vertical rods (4), a first telescopic rod (8) is rotatably provided at the top of the inner cavity of the grinding box (5), and a grinding block (7) is fixedly provided at the lower end of the first telescopic rod (8); A load-bearing column (16) is fixedly provided on the second support platform (23); the mounting platform (15) is rotatably provided on the top of the load-bearing column (16); a second telescopic rod (13) is rotatably provided on one end of the mounting platform (15); a stirring rod assembly (12) is fixedly provided on the lower end of the second telescopic rod (13); two connecting blocks (20) are fixedly provided on the other end of the mounting platform (15); a bidirectional threaded rod (18) is rotatably provided between the two connecting blocks (20); movable blocks (19) are symmetrically provided on the bidirectional threaded rod (18); a scissor mechanism (21) is hingedly provided between the two movable blocks (19); and an extrusion plate (22) is hingedly provided at the lower end of the scissor mechanism (21); A feed port (6) is provided on the side wall of the grinding box (5), a first motor (9) is installed on the top of the grinding box (5), and an output shaft of the first motor (9) extends into the grinding box (5) and is fixedly connected to the upper end of the first telescopic rod (8); The bottom of the grinding box (5) is connected to a material guide pipe (11), one end of the material guide pipe (11) away from the grinding box (5) extends into a mixing box (24), and a first discharge valve (10) is provided on the material guide pipe (11).

2. The feeding device for solder paste processing according to claim 1, characterized in that: A plurality of spike rods (28) are symmetrically inserted on the base (1), and the spike rods (28) are threadedly connected to the base (1).

3. The feeding device for solder paste processing according to claim 1, characterized in that: The mounting platform (15) is threadedly connected with a limit pin for positioning itself.

4. The feeding device for solder paste processing according to claim 1, characterized in that: A second motor (14) is fixedly provided on the top of the mounting platform (15); an output shaft of the second motor (14) extends into the mounting platform (15) and is fixedly connected to the upper end of the second telescopic rod (13).

5. The feeding device for solder paste processing according to claim 1, characterized in that: An electric motor (17) is fixedly mounted on one of the two connecting blocks (20); an output shaft of the electric motor (17) extends into the connecting block (20) and is fixedly connected to one end of a bidirectional threaded rod (18).

6. The feeding device for solder paste processing according to any one of claims 1 to 5, characterized in that: A discharge pipe (27) is provided at the bottom of the mixing box (24), a grid (25) is provided inside the discharge pipe (27), and a second discharge valve (26) is provided on the discharge pipe (27).

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