A solder paste feeding device for chip production line

Abstract

The present invention discloses a solder paste feeding device for a chip production line, comprising a cold storage box, wherein the upper end of one side surface of the cold storage box is connected to a feed shell, and the lower end of the other side surface is connected to a discharge shell, and the cold storage box is provided with a feed port connected to the feed shell and a discharge port connected to the discharge shell, and a plurality of partitions are evenly arranged in the cold storage box from top to bottom, one end of a layer of partitions is provided with a leakage port, and the other end of a layer of partitions is provided with a leakage port, and leakage port opening and closing structures are installed on the outer surface of the cold storage box and extend into the partitions, and a solder paste lifting structure is installed on one side surface of the cold storage box and below the feed shell. The advantages of the present invention are: good low-temperature stability, large storage capacity, and easy loading.

Description

Technical Field

[0001] The invention relates to the technical field of chip production, and in particular to solder paste feeding equipment for a chip production line. Background Art

[0002] Solder paste, 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, and ICs on the surface of PCBs in the SMT industry. The production of chips often requires the use of solder paste. The storage of solder paste should be controlled in an environment of 1-10℃; the shelf life of solder paste is 6 months (unopened); it should not be placed in sunlight.

[0003] The existing solder paste storage and feeding equipment for chip production lines are basically common refrigerated boxes on the market. When solder paste is needed, the entire box door needs to be opened and closed, which will seriously affect the low-temperature balance inside, thereby shortening the storage time and use effect of the solder paste, or even making it unusable. In addition, there are basically only two or three layers of placement boards in the existing refrigerated boxes, and the placement space is limited, and large amounts of storage cannot be carried out. For companies that use a large amount of solder paste, it is necessary to purchase them frequently, which is more troublesome. Summary of the invention

[0004] In order to solve the above-mentioned problems, the present invention provides a solder paste feeding device for a chip production line which has good low-temperature stability, large storage capacity and is easy to load.

[0005] In order to solve the above technical problems, the technical solution provided by the present invention is as follows: a solder paste feeding device for a chip production line, comprising a cold storage box, wherein the upper end of one side surface of the cold storage box is connected to a feed shell, and the lower end of the other side surface is connected to a discharge shell, and the cold storage box is provided with a feed port connected to the feed shell and a discharge port connected to the discharge shell, and a plurality of partitions are evenly arranged in the cold storage box from top to bottom, one end of the partition of one layer is provided with a leakage port, and the other end of the partition of the next layer is provided with a leakage port, and leakage port opening and closing structures are installed on the outer side surface of the cold storage box and extend into the partition, and a solder paste lifting structure is installed on one side surface of the cold storage box and below the feed shell;

[0006] The leakage port opening and closing structure includes a slot located on one side of the leakage port and inside the partition, an opening and closing plate is inserted into the slot, a reset structure is installed on the bottom of the slot, the other end of the reset structure is fixedly connected to the opening and closing plate by bolts, a protective shell is installed on the outer side of the refrigerator and at a position corresponding to the partition by bolts, a motor is installed in the protective shell by bolts, a rotating wheel is sleeved on the output end of the motor, a steel wire rope is wound on the rotating wheel, a wire through hole is provided in the partition, and the other end of the steel wire rope passes through the wire through hole and is connected to the opening and closing plate.

[0007] Preferably, the reset structure comprises a rod sleeve fixed to the bottom surface of the slot by bolts, an insertion rod is inserted in the rod sleeve, the other end of the insertion rod is fixedly connected to the opening and closing plate by bolts, and a reset spring is arranged in the rod sleeve.

[0008] Preferably, an inclined surface is provided on the partition plate and lower than the leakage port.

[0009] Preferably, the solder paste lifting structure includes a horizontal plate installed at the upper and lower ends of one side of the refrigerator by bolts, a vertical plate is integrally formed between the other ends of the two horizontal plates, a second motor is installed on the lower horizontal plate by bolts, a screw is connected to the output end of the second motor, the upper end of the screw is rotatably connected to the upper horizontal plate, a lifting plate is threadedly connected to the screw, a strip through hole is provided on the vertical plate, a mounting plate is installed on the other end of the lifting plate passing through the strip through hole by bolts, an upper hopper is hinged at the upper end of the other side of the mounting plate, a groove is provided on the other side of the mounting plate, an electric push rod is hinged on the bottom surface of the groove, and the other end of the electric push rod is hinged to the upper hopper.

[0010] Preferably, a door panel is hinged on the feed port, and a bidirectional spring is installed at the hinge of the door panel.

[0011] Preferably, a second inclined surface lower than the feed port is provided on the inner bottom surface of the feed shell, and a third inclined surface lower than the discharge port is provided on the inner bottom surface of the discharge port.

[0012] Preferably, the openings of the feed shell and the discharge shell are both sewn with elastic openings.

[0013] Compared with the prior art, the advantages of the present invention are as follows: when the present invention is in use, the setting of the solder paste lifting structure can facilitate the loading operation of the solder paste, and even when facing a higher storage box, there is no need to climb up to operate, thereby avoiding the risk of falling injuries; the setting of the leakage port opening and closing structure, the feeding shell and the discharging shell can allow the solder paste to enter from the feeding shell and roll to each layer from top to bottom one by one, and the entire operation avoids the loss of a large amount of low temperature, and has a better effect on maintaining the low temperature, and each layer has a leakage port opening and closing structure, even if a small amount of temperature is lost, it will only have a slight impact on one layer, and will not affect the entire cold storage box, and it complies with the "first in, first out" principle of use; the setting of the inclined surface, the second inclined surface and the third inclined surface can facilitate the entry of the solder paste, the rolling in the cold storage box and the discharging, so that the overall movement is smooth and there will be no jamming; the setting of the elastic opening and the door panel can further enhance the thermal insulation effect of the cold storage box. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a solder paste feeding device for a chip production line of the present invention.

[0015] Figure 2 The present invention is a schematic diagram of the main structure of a solder paste feeding device for a chip production line.

[0016] Figure 3 The present invention is a schematic diagram of the main internal structure of a solder paste feeding device for a chip production line.

[0017] Figure 4 The present invention is a schematic diagram of the internal structure of a solder paste feeding device for a chip production line viewed from above.

[0018] Figure 5 The present invention is a schematic diagram of the opening and closing structure of a material leakage port of a solder paste feeding device for a chip production line.

[0019] Figure 6 The present invention is a schematic diagram of the structure of a hopper of a solder paste feeding device for a chip production line.

[0020] As shown in the figure: 1. Refrigerator; 2. Feed shell; 3. Discharge shell; 4. Partition; 5. Leakage port; 6. Slot; 7. Open and close plate; 8. Protective shell; 9. Motor; 10. Rotor; 11. Wire rope; 12. Rod sleeve; 13. Insert rod; 14. Reset spring; 15. Inclined surface; 16. Horizontal plate; 17. Vertical plate; 18. Motor 2; 19. Screw; 20. Lifting plate; 21. Mounting plate; 22. Upper hopper; 23. Electric push rod; 24. Door panel; 25. Elastic mouth. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0022] Combined with Figure 1 To Attachment Figure 6 , a solder paste feeding device for a chip production line, comprising a cold storage box 1, a feed shell 2 is connected to the upper end of one side of the cold storage box 1, and a discharge shell 3 is connected to the lower end of the other side, a feed port connected to the feed shell 2 and a discharge port connected to the discharge shell 3 are provided on the cold storage box 1, a plurality of partitions 4 are evenly arranged from top to bottom in the cold storage box 1, one end of the partition 4 of one layer is provided with a leakage port 5, and the other end of the partition 4 of the next layer is provided with a leakage port 5, a leakage port opening and closing structure is installed on the outer side of the cold storage box 1 and extends into the partition 4, and a solder paste lifting structure is installed on one side of the cold storage box 1 and below the feed shell 2;

[0023] The leakage port opening and closing structure includes a slot 6 located on one side of the leakage port 5 and inside the partition 4, an opening and closing plate 7 is inserted into the slot 6, a reset structure is installed on the bottom of the slot 6, and the other end of the reset structure is fixedly connected to the opening and closing plate 7 by bolts, a protective shell 8 is installed by bolts on the outer side of the cold storage box 1 and at a position corresponding to the partition 4, a motor 9 is installed in the protective shell 8 by bolts, a rotating wheel 10 is sleeved on the output end of the motor 9, a steel wire rope 11 is wound around the rotating wheel 10, a wire hole is provided in the partition 4, and the other end of the steel wire rope 11 passes through the wire hole and is connected to the opening and closing plate 7.

[0024] The reset structure includes a rod sleeve 12 fixed to the bottom surface of the slot 6 by bolts, an insertion rod 13 is inserted into the rod sleeve 12, and the other end of the insertion rod 13 is fixedly connected to the opening and closing plate 7 by bolts, and a reset spring 14 is arranged in the rod sleeve 12.

[0025] An inclined surface 15 is provided on the partition plate 4 and is lower than the material leakage port 5 .

[0026] The solder paste lifting structure includes a horizontal plate 16 installed at the upper and lower ends of one side of the cold storage box 1 by bolts, and a vertical plate 17 is integrally formed between the other ends of the two horizontal plates 16. A motor 18 is installed on the lower end of the horizontal plate 16 by bolts, and a screw 19 is connected to the output end of the motor 18. The upper end of the screw 19 is rotatably connected to the upper horizontal plate 16, and a lifting plate 20 is threadedly connected to the screw 19. A strip through hole is provided on the vertical plate 17, and a mounting plate 21 is installed on the other end of the lifting plate 20 passing through the strip through hole by bolts. An upper hopper 22 is hinged at the upper end of the other side of the mounting plate 21, and a groove is provided on the other side of the mounting plate 21. An electric push rod 23 is hinged on the bottom surface of the groove, and the other end of the electric push rod 23 is hinged to the upper hopper 22.

[0027] A door panel 24 is hinged on the feed port, and a bidirectional spring is installed at the hinge of the door panel 24.

[0028] The inner bottom surface of the feed shell 2 is provided with an inclined surface 2 which is lower than the feed port, and the inner bottom surface of the discharge port is provided with an inclined surface 3 which is lower than the discharge shell 3.

[0029] The openings of the feed shell 2 and the discharge shell 3 are both sewn with elastic openings 25 .

[0030] The motor 9 and the motor 2 18 are both brake motors.

[0031] The front and rear sides of the leakage port 5 are provided with slide grooves extending into the slot 6, and the front and rear surfaces of the opening and closing plate 7 are integrally formed with slide bars that slide in cooperation with the slide grooves.

[0032] An observation glass window is installed on the front of the refrigerator 1.

[0033] Specific implementation of the present invention: When the present invention is used, the solder paste barrel can be first placed in the upper hopper 22, and then the motor 18 can be started to rotate through the control button (not shown in the figure), driving the screw 19 to rotate, thereby driving the mounting plate 21 and the upper hopper 22 to rise as a whole through the lifting plate 20. After reaching the top, the electric push rod 23 can be started to extend, which can push the upper hopper 22 to flip, and then the solder paste barrel can be poured into the feed shell 2, and the solder paste barrel will roll one by one along the inclined surface 15 to the other end of the partition 4 , then the motor 9 can be started to rotate, driving the rotating wheel 10 to rotate, thereby tightening the wire rope 11, and then driving the opening and closing plate 7 to retract into the slot 6, opening the leakage port 5, and the solder paste barrels will roll to the lower layer one by one, and open each layer of the opening and closing plates 7 in turn, and fill each layer one by one, and then the motor 9 can be reversed to loosen the wire rope 11. Under the elastic force of the reset structure, the opening and closing plates 7 will be closed. When it is needed, the lowermost opening and closing plate 7 can be opened to drop the solder paste barrel into the discharge shell 3.

[0034] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. A solder paste feeding device for a chip production line, comprising a cold storage box (1), characterized in that The upper end of one side surface of the cold storage box (1) is connected to a feed shell (2), and the lower end of the other side surface is connected to a discharge shell (3). The cold storage box (1) is provided with a feed port connected to the feed shell (2) and a discharge port connected to the discharge shell (3). A plurality of partitions (4) are evenly arranged in the cold storage box (1) from top to bottom. One end of a layer of partitions (4) is provided with a leakage port (5), and the other end of a layer of partitions (4) is provided with a leakage port (5). A leakage port opening and closing structure is installed on the outer side surface of the cold storage box (1) and extends into the partition (4). A solder paste lifting structure is installed on one side surface of the cold storage box (1) and below the feed shell (2); The leakage opening and closing structure comprises a slot (6) on one side of the leakage opening (5) and located in the partition (4), an opening and closing plate (7) is inserted in the slot (6), a reset structure is installed on the bottom surface of the slot (6), the other end of the reset structure is fixedly connected to the opening and closing plate (7) by bolts, a protective shell (8) is installed on the outer side of the refrigerator (1) and at a position corresponding to the partition (4) by bolts, a motor (9) is installed in the protective shell (8) by bolts, a rotating wheel (10) is sleeved on the output end of the motor (9), a steel wire rope (11) is wound around the rotating wheel (10), a wire hole is provided in the partition (4), and the other end of the steel wire rope (11) passes through the wire hole and is connected to the opening and closing plate (7); The reset structure comprises a rod sleeve (12) fixed to the bottom surface of the slot (6) by means of bolts, an insertion rod (13) is inserted into the rod sleeve (12), the other end of the insertion rod (13) is fixedly connected to the opening and closing plate (7) by means of bolts, and a reset spring (14) is arranged in the rod sleeve (12); An inclined surface (15) is provided on the partition plate (4) and is lower than the material leakage port (5); The solder paste lifting structure comprises a horizontal plate (16) installed at the upper and lower ends of one side of the cold storage box (1) by bolts, a vertical plate (17) is integrally formed between the other ends of the two horizontal plates (16), a motor 2 (18) is installed on the lower end of the horizontal plate (16) by bolts, a screw rod (19) is connected to the output end of the motor 2 (18), the upper end of the screw rod (19) is rotatably connected to the upper horizontal plate (16), a lifting plate (20) is threadedly connected to the screw rod (19), a strip through hole is provided on the vertical plate (17), a mounting plate (21) is installed on the other end of the lifting plate (20) passing through the strip through hole by bolts, an upper hopper (22) is hinged at the upper end of the other side of the mounting plate (21), a groove is provided on the other side of the mounting plate (21), an electric push rod (23) is hinged on the bottom surface of the groove, and the other end of the electric push rod (23) is hinged to the upper hopper (22).

2. The solder paste feeding device for a chip production line according to claim 1, characterized in that: A door panel (24) is hinged on the feed port, and a bidirectional spring is installed at the hinge of the door panel (24).

3. The solder paste feeding device for a chip production line according to claim 1, characterized in that: A second inclined surface lower than the feed port is provided on the inner bottom surface of the feed shell (2), and a third inclined surface lower than the discharge port is provided on the inner bottom surface of the discharge port.

4. The solder paste feeding device for a chip production line according to claim 1, characterized in that: The openings of the feed shell (2) and the discharge shell (3) are both sewn with elastic openings (25).

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