CN220782516U

CN220782516U - Chip welding device

Info

Publication number: CN220782516U
Application number: CN202322402748.1U
Authority: CN
Inventors: 苏兴渊; 李克; 邹海连; 林树发; 杨志荣
Original assignee: Shenzhen Xinhao Technology Co ltd
Current assignee: Shenzhen Xinhao Technology Co ltd
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-16
Anticipated expiration: 2033-09-05

Abstract

The utility model relates to the technical field of chip processing, in particular to a chip welding device which comprises a bottom plate, wherein the upper surface of the bottom plate is respectively provided with a conveying mechanism and a heat preservation heating mechanism; the conveying mechanism comprises two first plate bodies which are symmetrically and fixedly arranged on the upper surface of the bottom plate, the upper surface of the bottom plate is provided with a mounting groove, two side inner walls of the mounting groove are rotationally connected with first bidirectional threaded rods, the surfaces of the first bidirectional threaded rods are in threaded connection with two first threaded blocks which are respectively symmetrical with the two first plate bodies, and the upper surfaces of the two first threaded blocks are fixedly provided with second plate bodies. According to the utility model, the transmission mechanism is arranged, the crank is rotated to drive the first bidirectional threaded rod to rotate, and the two first threaded blocks respectively drive the two second plate bodies to move under the rotation of the first bidirectional threaded rod, so that the distance between the first plate bodies and the second plate bodies can be adjusted, and the device can be adjusted according to circuit boards with different sizes, and the practicability is improved.

Description

Chip welding device

Technical Field

The utility model relates to the technical field of chip processing, in particular to a chip welding device.

Background

The basic preparation process of the integrated circuit chip comprises the following steps: solder paste printing, part mounting, reflow soldering and the like, wherein the reflow soldering of the integrated circuit chip comprises two processes of single-sided mounting and double-sided mounting. Specifically, the double-sided mounting process of the chip reflow soldering is as follows: precoating solder paste on the surface A, pasting, reflow soldering, precoating solder paste on the surface B, pasting, reflow soldering, checking and electric testing:

however, the existing die bonding apparatus still has some disadvantages,

1, the interval of the conveyor unit for conveying the circuit boards in the scheme is fixed, and the interval can not be adjusted according to the widths of the circuit boards of different types, so that certain limitation exists when the conveyor unit is used;

2, in the above scheme, the heater is arranged to weld the chip on the circuit board, but in the above scheme, a mechanism for insulating the heater is not available, so that a large amount of energy is consumed while the periphery is easily affected by the heat generated by the heater.

In view of the above, the present utility model provides a die bonding apparatus.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a chip welding device which has the advantage of being adjustable according to the size of a circuit board so as to solve the problem that the width of the circuit board with different types cannot be adjusted in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the chip welding device comprises a bottom plate, wherein the upper surface of the bottom plate is respectively provided with a conveying mechanism and a heat preservation heating mechanism;

the conveying mechanism comprises two first plate bodies which are symmetrically and fixedly arranged on the upper surface of a bottom plate, the upper surface of the bottom plate is provided with a mounting groove, two side inner walls of the mounting groove are rotationally connected with first bidirectional threaded rods, the surfaces of the first bidirectional threaded rods are in threaded connection with two first threaded blocks which are respectively symmetrical with the two first plate bodies, the upper surfaces of the two first threaded blocks are fixedly provided with second plate bodies, the opposite surfaces of the first plate bodies and the second plate bodies are rotationally connected with two symmetrical rotating rods, the surfaces of the two rotating rods are respectively provided with a conveying belt through a synchronous wheel sleeve, one side surface, which is far away from the rotating rods, of each of the first plate bodies and the second plate bodies is fixedly provided with a driving motor, and an output shaft of the driving motor is fixedly connected with one end part of one rotating rod.

As the preferable technical scheme, the lower surface of the second plate body is provided with two symmetrical sliding blocks, and the upper surface of the bottom plate is provided with a sliding rail for sliding the sliding blocks.

As a preferable technical scheme, a crank used for rotating the first bidirectional threaded rod is arranged on the right side surface of the bottom plate.

As the preferable technical scheme, the heat preservation heating mechanism comprises a heat preservation cover fixedly arranged on the upper surface of the bottom plate, a mounting plate is arranged in the heat preservation cover, a heating block is fixedly arranged on the lower surface of the mounting plate, and a height adjusting mechanism is arranged between the heat preservation cover and the mounting plate.

As the preferable technical scheme, the height adjusting mechanism comprises a second bidirectional threaded rod rotatably connected to the inner wall of the heat insulation cover, and two symmetrical second threaded blocks are connected to the surface of the second bidirectional threaded rod in a threaded manner.

As the preferable technical scheme, the lower surface of second screw thread piece is connected with the vaulting pole through rotating the seat rotation, and the one end that the vaulting pole kept away from the second screw thread piece rotates with the upper surface of mounting panel to be connected.

As the preferable technical scheme, the back of the heat preservation cover is fixedly provided with a servo motor, and an output shaft of the servo motor is fixedly connected with one end of the second bidirectional threaded rod.

As the preferable technical scheme, the front and the back of the mounting plate are respectively provided with two symmetrical guide sliding blocks, and the inner front wall and the inner rear wall of the heat preservation cover are respectively provided with a sliding groove for the guide sliding blocks to slide.

As the preferable technical scheme, the driving motor, the servo motor and the heating block are all connected with an external power supply control device through wires.

As the preferable technical scheme, the inside of the heat preservation cover is provided with a heat preservation cotton layer.

(III) beneficial effects

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the transmission mechanism is arranged, the crank is rotated to drive the first bidirectional threaded rod to rotate, and the two first threaded blocks respectively drive the two second plate bodies to move under the rotation of the first bidirectional threaded rod, so that the distance between the first plate bodies and the second plate bodies can be adjusted, and the device can be adjusted according to circuit boards with different sizes, and the practicability is improved.

2. According to the utility model, the heat-preserving heating mechanism is arranged, so that the heat-preserving heating effect can be achieved under the action of the heating block and the heat-preserving cover, excessive heat dissipation is avoided, and the electric energy is saved while the heating effect is good.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of the present utility model in a top-down configuration;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic side sectional view of the present utility model;

fig. 5 is a schematic perspective view of a mounting plate according to the present utility model.

In the figure: 1. a bottom plate; 2. a first plate body; 3. a first bi-directional threaded rod; 4. a first threaded block; 5. a second plate body; 6. a rotating lever; 7. a conveyor belt; 8. a driving motor; 9. a thermal insulation cover; 10. a mounting plate; 11. a heating block; 12. a second bi-directional threaded rod; 13. a second threaded block; 14. a brace rod; 15. a servo motor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

According to the attached drawings 1-5, the embodiment of the utility model provides a chip welding device, which comprises a bottom plate 1, wherein the upper surface of the bottom plate 1 is respectively provided with a conveying mechanism and a heat preservation heating mechanism, the conveying mechanism comprises two first plate bodies 2 which are symmetrically and fixedly arranged on the upper surface of the bottom plate 1, the upper surface of the bottom plate 1 is provided with a mounting groove, the inner walls of the two sides of the mounting groove are rotationally connected with a first bidirectional threaded rod 3, the right side surface of the bottom plate 1 is provided with a crank used for rotating the first bidirectional threaded rod 3, the surface of the first bidirectional threaded rod 3 is in threaded connection with two first thread blocks 4 which are respectively symmetrical with the two first plate bodies 2, and the upper surfaces of the two first thread blocks 4 are fixedly provided with a second plate body 5.

The lower surface of second plate body 5 is provided with two sliders of symmetry, supplies the gliding slide rail of slider to have been seted up to the upper surface of bottom plate 1, and the equal rotation of opposite face of first plate body 2 and second plate body 5 is connected with two dwang 6 of symmetry, and the surface of two dwang 6 all is equipped with conveyer belt 7 through the synchronizing wheel cover, and first plate body 2 and the equal fixed mounting in one side surface that dwang 6 was kept away from to second plate body 5 have driving motor 8, driving motor 8's output shaft and one of them dwang 6's tip fixed connection.

The heat preservation heating mechanism comprises a heat preservation cover 9 fixedly installed on the upper surface of the bottom plate 1, a heat preservation cotton layer is arranged in the heat preservation cover 9, a mounting plate 10 is arranged in the heat preservation cover 9, a heating block 11 is fixedly installed on the lower surface of the mounting plate 10, a height adjusting mechanism is arranged between the heat preservation cover 9 and the mounting plate 10 and comprises a second bidirectional threaded rod 12 rotatably connected to the inner wall of the heat preservation cover 9, and two symmetrical second threaded blocks 13 are connected to the surface threads of the second bidirectional threaded rod 12.

The lower surface of second screw thread piece 13 rotates through the seat of rotation and is connected with vaulting pole 14, and the one end that vaulting pole 14 kept away from second screw thread piece 13 rotates with the upper surface of mounting panel 10 to be connected, and the back fixed mounting of heat preservation cover 9 has servo motor 15, and servo motor 15's output shaft and the one end fixed connection of second bidirectional threaded rod 12, mounting panel 10 openly all are provided with two direction sliders of symmetry with the back, and the sliding tray that supplies the direction slider to slide has all been seted up to the interior front wall and interior back wall of heat preservation cover 9.

The driving motor 8, the servo motor 15 and the heating block 11 are all connected with an external power supply control device through wires.

When the chip welding device is used, the crank is rotated to drive the first bidirectional threaded rod 3 to rotate, the two first thread blocks 4 respectively drive the two second plate bodies 5 to move under the rotation of the first bidirectional threaded rod 3, and the distance between the first plate body 2 and the second plate body 5 can be adjusted, so that the device can be adjusted according to circuit boards with different sizes, meanwhile, the effect of heat preservation and heating can be achieved under the action of the heating block 11 and the heat preservation cover 9, excessive heat dissipation is avoided, the heating effect is good, meanwhile, electric energy is saved, the operation of the servo motor 15 can drive the second bidirectional threaded rod 12 to rotate, the two second thread blocks 13 respectively drive the two supporting rods 14 to move under the rotation of the second bidirectional threaded rod 12, and the movement of the supporting rods 14 drives the mounting plate 10 to move up and down in the heat preservation cover 9, and the distance between the heating block 11 and the circuit board can be adjusted according to heating requirements, so that the temperature control effect is achieved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Chip bonding apparatus, comprising a base plate (1), characterized in that: the upper surface of the bottom plate (1) is respectively provided with a conveying mechanism and a heat preservation heating mechanism;

the conveying mechanism comprises two first plate bodies (2) which are symmetrically and fixedly arranged on the upper surface of a bottom plate (1), an installation groove is formed in the upper surface of the bottom plate (1), two side inner walls of the installation groove are rotationally connected with first bidirectional threaded rods (3), two first threaded blocks (4) which are respectively symmetrical with the two first plate bodies (2) are connected with surface threads of the first bidirectional threaded rods (3), a second plate body (5) is fixedly arranged on the upper surface of each of the two first threaded blocks (4), two rotating rods (6) which are symmetrically and fixedly connected with the opposite surfaces of the first plate body (2) and the second plate body (5) are rotationally connected with one another, a conveying belt (7) is arranged on the surfaces of the two rotating rods (6) through synchronous wheel sleeves, a driving motor (8) is fixedly arranged on one side surface of each of the first plate body (2) and the second plate body (5) which is far away from the rotating rods (6), and an output shaft of the driving motor (8) is fixedly connected with the end part of one rotating rod (6).

2. A die bonding apparatus according to claim 1, wherein: two symmetrical sliding blocks are arranged on the lower surface of the second plate body (5), and sliding rails for sliding the sliding blocks are arranged on the upper surface of the bottom plate (1).

3. A die bonding apparatus according to claim 1, wherein: the right side surface of the bottom plate (1) is provided with a crank used for rotating a first bidirectional threaded rod (3).

4. A die bonding apparatus according to claim 1, wherein: the heat preservation heating mechanism comprises a heat preservation cover (9) fixedly arranged on the upper surface of the bottom plate (1), a mounting plate (10) is arranged in the heat preservation cover (9), a heating block (11) is fixedly arranged on the lower surface of the mounting plate (10), and a height adjusting mechanism is arranged between the heat preservation cover (9) and the mounting plate (10).

5. The die bonding apparatus according to claim 4, wherein: the height adjusting mechanism comprises a second bidirectional threaded rod (12) rotatably connected to the inner wall of the heat insulation cover (9), and two symmetrical second threaded blocks (13) are connected to the surface of the second bidirectional threaded rod (12) in a threaded manner.

6. The die bonding apparatus according to claim 5, wherein: the lower surface of the second threaded block (13) is rotationally connected with a stay bar (14) through a rotating seat, and one end, far away from the second threaded block (13), of the stay bar (14) is rotationally connected with the upper surface of the mounting plate (10).

7. The die bonding apparatus according to claim 5, wherein: the back of the heat preservation cover (9) is fixedly provided with a servo motor (15), and an output shaft of the servo motor (15) is fixedly connected with one end of the second bidirectional threaded rod (12).

8. The die bonding apparatus according to claim 5, wherein: two symmetrical guide sliding blocks are arranged on the front surface and the back surface of the mounting plate (10), and sliding grooves for the guide sliding blocks to slide are formed in the inner front wall and the inner rear wall of the heat preservation cover (9).

9. A die bonding apparatus according to claim 1, wherein: the driving motor (8), the servo motor (15) and the heating block (11) are all connected with an external power supply control device through wires.

10. The die bonding apparatus according to claim 4, wherein: the inside of the heat preservation cover (9) is provided with a heat preservation cotton layer.