CN221157068U - Grinding device for solid soldering paste - Google Patents

Abstract

The utility model discloses a grinding device for solid solder paste, including a box body, a feed hopper is fixedly connected to the top of the box body, a crushing mechanism is arranged below the feed hopper, and a grinding mechanism is arranged below the crushing mechanism, a load-bearing plate is fixedly connected to the left side of the box body near the bottom, a driving motor is fixedly connected to the bottom of the load-bearing plate near the left side, a turntable is fixedly connected to the output shaft of the driving motor, a crank is fixedly provided on the lower surface of the turntable, one end of the crank is fixedly connected to a connecting rod, the other end of the connecting rod penetrates the side wall of the box body and extends to the inside thereof and is fixedly connected to a screening plate, and a fan is arranged on one side of the screening plate. The utility model can perform layered screening processing on solid solder paste through the structure provided, thereby improving the efficiency of solid solder paste screening and enhancing the ability to screen solid solder paste.

Description

A grinding device for solid solder paste

Technical Field

The utility model relates to the technical field of solid solder paste, in particular to a grinding device for solid solder paste.

Background technique

Solder paste is also called tin paste, 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 PCB surface resistors, capacitors, and ICs in the SMT industry. The production of solder paste is made by grinding the flux paste and adding some metal powder. The raw materials need to be ground before processing.

In view of the existing patent CN202022151138.5, an ore grinding device is provided, wherein an arc-shaped screen plate, a grinding roller, a second rotating shaft, a first rotating shaft, a support rod, a rotating plate and an eccentric wheel are used inside the device. During the grinding process of the grinding roller, the arc-shaped screen plate can be shaken left and right to shake and screen the ore particles on the arc-shaped screen plate, thereby improving the screening efficiency. At the same time, the ore with large particle size can contact the grinding roller during the shaking process, thereby improving the technical effect of the grinding efficiency. The existing ore grinding equipment usually uses a grinding roller for extrusion and crushing, and the ore with large particle size is directly put into the grinding tank. The large ore cannot be fully ground in the grinding tank, and the screening plate is fixedly placed, and the screening process is prone to blockage, thereby reducing the technical problem of the efficiency of ore grinding; however, its screening capacity is relatively single, and there is no device for secondary screening of the material, so that the material particles screened out are uneven and uneven, and the screening effect is poor; therefore, the existing needs are not met, and a solid solder paste grinding device is proposed for this purpose.

Utility Model Content

The purpose of the utility model is to provide a grinding device for solid solder paste to solve the problem proposed in the above background technology for the existing patent CN202022151138.5, an ore grinding device, wherein an arc-shaped screen plate, a grinding roller, a second rotating shaft, a first rotating shaft, a support rod, a rotating plate and an eccentric wheel are used inside the device, and the arc-shaped screen plate can be shaken left and right during the grinding process of the grinding roller, and the ore particles on the arc-shaped screen plate are shaken and screened, thereby improving the screening efficiency. At the same time, the ore with a large particle size can contact the grinding roller during the shaking process, thereby improving the technical effect of the grinding efficiency, and solving the problem that the existing ore grinding equipment usually uses a grinding roller for extrusion and crushing, and the ore with a large particle size is directly put into the grinding tank, and the large ore cannot be fully ground in the grinding tank, and the screening plate is fixedly placed, and the screening process is prone to blockage, thereby reducing the technical problem of the efficiency of ore grinding; however, its screening capacity is relatively single, and there is no device for secondary screening of the material, so that the material particles screened out are uneven, uneven, and the screening effect is poor.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding device for solid solder paste, comprising a box body, a feed hopper is fixedly connected to the top of the box body, a crushing mechanism is arranged below the feed hopper, and a grinding mechanism is arranged below the crushing mechanism, a load-bearing plate is fixedly connected to the left side of the box body near the bottom, a driving motor is fixedly connected to the bottom of the load-bearing plate near the left side, a turntable is fixedly connected to the output shaft of the driving motor, a crank is fixedly provided on the lower surface of the turntable, a connecting rod is fixedly connected to one end of the crank, and a screening plate is fixedly connected thereto at the other end of the connecting rod passes through the side wall of the box body and extends to the inside thereof, a fan is provided on one side of the screening plate, and the fan is fixedly connected to the side wall of the box body, a through hole is opened on the side wall of the box body located at the back of the fan, and a filter screen is fixedly connected to the through hole by bolts, sliders are fixedly connected to both sides of the screening plate, two groups of transverse slide grooves are symmetrically arranged between the two side walls of the box body, and the sliders extend into the inside of the slide grooves for sliding connection.

Preferably, a quick-pull assembly is installed inside the box, and the inner cavity of the box is slidably connected to the collection frame through the quick-pull assembly; the quick-pull assembly includes a limiting slide groove opened on the upper end surface of the bottom wall of the box, the limiting slide groove is internally slidably connected to a limiting pulley, and the top of the limiting pulley is fixedly connected to the bottom of the collection frame through a wheel seat, the inner wall surface of the box is fixedly connected to a positioning cylinder, the other side of the collection frame is fixedly connected to a positioning rod, and the surface of the positioning rod is slidably connected to the inside of the positioning cylinder.

Preferably, the quick pull assembly also includes a second magnetic plate and a first magnetic plate, one end of the second magnetic plate is fixedly connected to the other end of the positioning tube, and the outer end surface of the second magnetic plate is slidably connected to the inner wall surface of the positioning rod, one end of the first magnetic plate is fixedly connected to the inner wall surface of the positioning rod, and the first magnetic plate and the second magnetic plate are magnetically connected.

Preferably, guide strips are symmetrically fixedly connected on both sides of the collection frame, guide seats matching the guide strips are symmetrically fixedly connected on both sides of the box body cavity, and the surface of the guide strip is slidably connected to a guide groove opened inside the guide seat.

Preferably, inclined plates are provided on the top of the screening plate near the left and right sides, and the two inclined plates are fixedly connected to the inner cavity of the box body at the sides away from each other.

Preferably, two groups of telescopic rods are symmetrically arranged between the side of the screening plate close to the fan and the side wall of the box body.

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

1. The utility model uses an external power supply to pour solid solder paste into the feed hopper, crush and grind it, and then the ground solid solder paste will fall completely into the inner cavity of the screening plate through the setting of two inclined plates, and then start the drive motor to rotate the turntable and drive the crank to move at the same time. Through the cooperation of the crank and the sliders and the slide grooves on both sides of the screening plate, the connecting rod drives the screening plate to adjust its position on the slide groove, which is convenient for adjusting the position of the screening plate, so that it can vibrate in the horizontal direction during the screening operation, which is convenient for the ground solid solder paste Screening operation is performed so that the powder smaller than the aperture of the screen plate falls into the inner cavity of the collection frame, while a very small number of powder larger than the aperture of the screen plate will remain on the top of the screen plate. When the screening is completed, the box door is opened by the handle to collect the screened solid solder paste in the inner cavity of the collection frame, and a very small number of powders with larger particles on the screen plate are recycled, so that the screening effect is better, which is convenient for subsequent recycling and utilization, and the classification effect is good. The solid solder paste can be screened in layers, thereby improving the efficiency of solid solder paste screening and enhancing the ability to screen solid solder paste;

2. The utility model facilitates the cleaning operation of the screening plate through the fan and the filter. After the screening operation is completed, since dust accumulates on the surface of the screening plate, the dust needs to be processed. It only needs to connect the fan to make it run. Under the action of the fan, air enters from the through slot and is blown to the surface of the screening plate, which can effectively remove the dust on the surface of the screening plate, realize the cleaning operation, and improve the practicality of the device. At the same time, by providing a filter, when the air enters from the through slot under the action of the fan, the dust in the air is filtered to prevent affecting the cleaning effect.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a side view of the utility model as a whole;

FIG2 is a schematic diagram of the overall structure of the utility model;

FIG3 is an enlarged schematic diagram of the partial structure of point A in FIG1 of the present invention;

FIG. 4 is a schematic diagram of a partial structure of the utility model as a whole.

In the figure: 1. box body; 2. crushing mechanism; 3. grinding mechanism; 3. quick pull assembly; 31. limit slide; 32. guide bar; 33. limit pulley; 34. positioning rod; 341. first magnetic plate; 35. positioning cylinder; 351. second magnetic plate; 36. guide seat; 4. inclined plate; 5. load-bearing plate; 6. driving motor; 7. turntable; 8. crank; 9. connecting rod; 10. slide; 11. screening plate; 12. slider; 13. telescopic rod; 14. fan; 15. collecting frame; 16. arc screen plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

Please refer to Figures 1 to 4. An embodiment of the utility model is a solid solder paste grinding device, including a box body 1, a feed hopper is fixedly connected to the top of the box body 1, a crushing mechanism 2 is arranged below the feed hopper, and a grinding mechanism is arranged below the crushing mechanism 2, a load-bearing plate 5 is fixedly connected to the left side of the box body 1 near the bottom, a drive motor 6 is fixedly connected to the bottom of the load-bearing plate 5 near the left side, a turntable 7 is fixedly connected to the output shaft of the drive motor 6, a crank 8 is fixedly arranged on the lower surface of the turntable 7, and one side of the crank 8 is fixedly connected to the bottom of the box body 1. A connecting rod 9 is fixedly connected to one end of the box body 1, and the other end of the connecting rod 9 passes through the side wall of the box body 1 and extends to the inside thereof to be fixedly connected to a screening plate 11. A fan 14 is arranged on one side of the screening plate 11, and the fan 14 is fixedly connected to the side wall of the box body 1. A through hole is opened on the side wall of the box body 1 located on the back side of the fan 14, and a filter screen is fixedly connected to the through hole by bolts. Slide blocks 12 are fixedly connected to both sides of the screening plate 11, and two groups of horizontal slide grooves 10 are symmetrically arranged between the two side walls of the box body 1, and the slide blocks 12 extend into the inside of the slide grooves 10 for sliding connection.

A quick-pull assembly 3 is installed inside the box body 1, and the inner cavity of the box body 1 is slidably connected to the collection frame 15 through the quick-pull assembly 3; the quick-pull assembly 3 includes a limiting slide groove 31 opened on the upper end surface of the inner bottom wall of the box body 1, and the limiting slide groove 31 is internally slidably connected to a limiting pulley 33, and the top of the limiting pulley 33 is fixedly connected to the bottom of the collection frame 15 through a wheel seat, a positioning cylinder 35 is fixedly connected to the inner wall surface of the box body 1, and a positioning rod 34 is fixedly connected to the other side of the collection frame 15, and the surface of the positioning rod 34 is slidably connected to the inside of the positioning cylinder 35.

The quick-pull assembly 3 also includes a second magnetic plate 351 and a first magnetic plate 341. One end of the second magnetic plate 351 is fixedly connected to the other end of the positioning tube 35, and the outer end surface of the second magnetic plate 351 is slidably connected to the inner wall surface of the positioning rod 34. One end of the first magnetic plate 341 is fixedly connected to the inner wall surface of the positioning rod 34, and the first magnetic plate 341 and the second magnetic plate 351 are magnetically connected.

The two sides of the collecting frame 15 are symmetrically fixedly connected with guide bars 32 , and the two sides of the inner cavity of the box body 1 are symmetrically fixedly connected with guide seats 36 matching the guide bars 32 , and the surfaces of the guide bars 32 are slidably connected in the guide grooves opened inside the guide seats 36 .

Inclined plates 4 are provided on the top of the screening plate 11 near the left and right sides, and the two inclined plates 4 are fixedly connected to the inner cavity of the box body 1 at the sides away from each other.

Two groups of telescopic rods 13 are symmetrically arranged between one side of the screening plate 11 close to the fan 14 and the side wall of the box body 1. The telescopic rods 13 include a sleeve and a movable shaft. The interior of the sleeve is movably connected to the movable shaft via a positioning ring.

When the solid solder paste grinding device is in use, an external power source is connected, and solid solder paste is poured into the feed hopper to be crushed and ground. Subsequently, the ground solid solder paste is completely dropped into the inner cavity of the screen plate 11 by the arrangement of the two inclined plates 4, and then the drive motor 6 is started to rotate the turntable 7, and the crank 8 is driven to move at the same time. Through the cooperation of the crank 8 and the sliders 12 on both sides of the screen plate 11 and the slide 10, the connecting rod 9 drives the screen plate 11 to adjust its position on the slide 10, which is convenient for adjusting the position of the screen plate 11. The screen plate 11 is adjusted so that it can vibrate in the horizontal direction during the screening operation, so as to facilitate the screening operation of the ground solid solder paste, so that the powder smaller than the aperture of the screen plate 11 falls into the inner cavity of the collection frame 15, and a few powder larger than the aperture of the screen plate 11 will remain on the top of the screen plate 11. When the screening is completed, the box door is opened by the handle to collect the screened solid solder paste in the inner cavity of the collection frame 15, and the few powders with larger particles on the screen plate 11 are recycled, so as to achieve a better screening effect;

The fan 14 and the filter are provided to facilitate the cleaning operation of the screen plate 11. After the screening operation is completed, dust accumulates on the surface of the screen plate 11 and the dust needs to be processed. Just connect the fan 14 to make it run. Under the action of the fan 14, air enters from the through slot and is blown to the surface of the screen plate 11, which can effectively remove the dust on the surface of the screen plate 11, realize the cleaning operation, and improve the practicability of the device. At the same time, by providing a filter, when the air enters from the through slot under the action of the fan 14, the dust in the air is filtered to prevent affecting the cleaning effect.

It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims (6)

1. The utility model provides a grinder of solid solder paste, includes box (1), the top fixedly connected with feeder hopper of box (1), the below of feeder hopper is provided with broken mechanism (2) to the below of broken mechanism (2) is provided with grinding mechanism, its characterized in that: the utility model discloses a box, including box (1), box (1), through-hole, box (1) and filter screen, box (1) are located the lateral wall at the back of fan (14), and through-hole, box (1) is located the lateral wall at the back of fan (14) and is connected with filter screen through bolt fixedly, the lower fixed surface of carousel (7) is equipped with crank (8), the one end fixedly connected with connecting rod (9) of crank (8), the other end of connecting rod (9) runs through the lateral wall of box (1) and extends to its inside fixedly connected with screening board (11), one side of screening board (11) is provided with fan (14), and fan (14) links to each other with the lateral wall of box (1) fixedly, through-hole is last through-bolt fixedly connected with filter screen, both sides of screening board (11) are all fixedly connected with slider (12), the symmetry is provided with two sets of horizontal spouts (10) between the both sides wall of box (1), and slider (12) stretch into inside sliding connection of spout (10).

2. A grinding apparatus for solid solder paste according to claim 1, wherein: the inner part of the box body (1) is provided with a quick drawing component (3), and the inner cavity of the box body (1) is connected with a collecting frame (15) in a sliding way through the quick drawing component (3); the quick drawing assembly (3) comprises a limiting chute (31) arranged on the upper end face of the inner bottom wall of the box body (1), a limiting pulley (33) is connected to the limiting chute (31) in a sliding mode, the top of the limiting pulley (33) is fixedly connected to the bottom of the collecting frame (15) through a wheel seat, a positioning cylinder (35) is fixedly connected to the inner wall face of the box body (1), a positioning rod (34) is fixedly connected to the other side of the collecting frame (15), and the surface of the positioning rod (34) is connected to the inside of the positioning cylinder (35) in a sliding mode.

3. A grinding apparatus for solid solder paste according to claim 2, wherein: the quick drawing assembly (3) further comprises a second magnetic suction plate (351) and a first magnetic suction plate (341), one end of the second magnetic suction plate (351) is fixedly connected with the other end of the positioning cylinder (35), the outer end face of the second magnetic suction plate (351) is slidably connected with the inner wall face of the positioning rod (34), one end of the first magnetic suction plate (341) is fixedly connected with the inner wall face of the positioning rod (34), and the first magnetic suction plate (341) is magnetically connected with the second magnetic suction plate (351).

4. A grinding apparatus for solid solder paste according to claim 2, wherein: the collecting frame is characterized in that guide strips (32) are symmetrically and fixedly connected to two sides of the collecting frame (15), guide bases (36) matched with the guide strips (32) are symmetrically and fixedly connected to two sides of the inner cavity of the box body (1), and the surfaces of the guide strips (32) are slidably connected into guide grooves formed in the guide bases (36).

5. A grinding apparatus for solid solder paste according to claim 1, wherein: the top of screening board (11) is close to left and right sides department all is equipped with swash plate (4), two one side that swash plate (4) kept away from mutually all is connected with box (1) inner chamber fixed.

6. A grinding apparatus for solid solder paste according to claim 1, wherein: two groups of telescopic rods (13) are symmetrically arranged between one side of the screening plate (11) close to the fan (14) and the side wall of the box body (1).