Electronic component thermocompression welding equipment

By designing a structure in the hot press welding equipment for electronic components that connects the processing tank and the cleaning tank, combined with the electric drive of the clamping block and clamping strip, as well as the heating plate and blocking strip under the hot press base, the problem of cleaning welding residue was solved, and the welding accuracy and quality were improved.

CN223718524UActive Publication Date: 2025-12-26TIANJIN JINHAI BODA ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520138434.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-12-26
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing hot-press welding equipment for electronic components is prone to solder residue buildup due to the high temperature and pressure environment, leading to poor welding and frequent solder bridging, which affects welding accuracy and product quality.

Method used

The design incorporates a machining slot above the machining base, which connects to the cleaning slot. It is equipped with a clamping block and clamping strip driven by an electric push rod. A heating plate and a blocking strip are located below the hot press base to ensure welding accuracy and easy cleaning.

Benefits of technology

It achieves efficient cleaning of welding residue, improves welding precision, prevents molten solder from spreading, ensures welding quality and stability, and reduces the defect rate.

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Abstract

The utility model relates to the technical field of electronic components, and discloses an electronic component thermocompression welding device which comprises a machining base, a processing groove is formed in the upper portion of the machining base, a movable processing carrier plate is arranged in the processing groove, and a cleaning groove communicated with the processing groove is formed in one side of the machining base; the fixing mechanism comprises two jacking blocks and a jacking strip, the two jacking blocks are arranged on the two sides of the machining carrier plate in the machining groove, the jacking strip is arranged on the front side of the machining carrier plate in the machining groove, and the jacking blocks and the jacking strip are driven by electric push rods fixedly arranged in the machining groove; the hot-pressing mechanism comprises a hot-pressing seat and a multidirectional driving frame for driving the hot-pressing seat to move, the multidirectional driving frame is fixedly arranged above the processing seat, a heating plate is detachably arranged below the hot-pressing seat, a heater is arranged above the hot-pressing seat, a hot-pressing groove is formed below the heating plate, and blocking strips are arranged below the heating plate and located on the two sides of the hot-pressing groove. The workbench has the advantages that the workbench can be cleaned conveniently, and the phenomenon of tin connection is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electronic components technical field, specifically point to a kind of electronic components hot pressure welding equipment. BACKGROUND

[0002] Electronic components hot pressure welding equipment is a professional equipment for electronic components connection. In principle, it is to realize welding by heating and applying pressure. In the welding process, by accurately controlling temperature and pressure, the metal material of the welding site reaches the appropriate state, so that the pins, wires and other components of two or more electronic components are firmly connected together. This equipment is generally composed of heating system, pressure control system, welding head and operation platform. For example, when welding tiny chip pins, hot pressure welding equipment can accurately connect chip pins with pads on the circuit board, ensuring the stability and reliability of the circuit. It is widely used in electronic chip packaging, circuit board manufacturing and many other electronic industries.

[0003] In the current electronic manufacturing field, although electronic components hot pressure welding equipment plays a key role, there are still some problems to be solved. When working, the high-temperature and high-pressure environment causes the solder to melt and re-solidify, and a large amount of welding metal slag inevitably remains on the workbench. With the accumulation of residues, subsequent hot pressure welding work is hindered. On the one hand, residue particles may be mixed in the parts to be welded, which can easily cause poor welding in some places, causing unstable circuit connection. On the other hand, the flow characteristics of solder become difficult to control in the hot pressure link, and the probability of soldering increases significantly, which seriously affects the welding precision and product quality, increases the rate of defective products and rework cost. INVENTION CONTENTS

[0004] The utility model discloses electronic components hot pressure welding equipment for solving the above-mentioned various problems, is convenient to the workbench and is reduced to a kind of electronic components hot pressure welding equipment that soldering phenomenon occurs.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows: an electronic components hot pressure welding equipment, comprising:

[0006] A machining seat is provided above a machining groove, a movable machining carrier plate is provided in the machining groove, and a cleaning groove is provided in one side of the machining seat and communicated with the machining groove.

[0007] A fixing mechanism includes a jacking block and a jacking strip, two jacking blocks are provided on both sides of the machining carrier plate in the machining groove, the jacking strip is provided on the front side of the machining carrier plate in the machining groove, and the jacking block and the jacking strip are driven by an electric push rod fixed in the machining groove.

[0008] The hot-pressing mechanism comprises a hot-pressing seat and a multidirectional driving frame for driving the hot-pressing seat to move, the multidirectional driving frame is fixedly arranged above a processing seat, a heating plate is detachably arranged below the hot-pressing seat, a heater for heating the heating plate is arranged above the hot-pressing seat, a plurality of hot-pressing grooves matched with electronic components are arranged below the heating plate, and blocking strips for preventing tin liquid from spreading are integrally formed at both sides of the hot-pressing grooves below the heating plate.

[0009] Further, the bottom surface of the cleaning groove is flush with the bottom surface of the processing groove.

[0010] Further, the electric push rods for driving the clamping strips are two, are connected with both ends of the clamping strips respectively and synchronously drive both ends of the clamping strips to move.

[0011] Further, the multidirectional driving frame is provided with a synchronous belt module for driving the hot-pressing seat to move leftward and rightward and a cylinder for driving the hot-pressing seat to move upward and downward, the cylinder is fixedly arranged on a moving plate driven by the synchronous belt module, and the hot-pressing seat is fixedly arranged below the cylinder.

[0012] Further, the heating plate is fixedly arranged below the hot-pressing seat through screws arranged at four corners of the heating plate, and the rear side of the heating plate is provided with a notch.

[0013] Further, the bottom surface of the hot-pressing groove is an arc surface with a middle part protruding downward, and the blocking strip is a semicircular section.

[0014] Compared with the prior art, the processing seat is provided with a processing groove, one side of the processing groove is communicated with a cleaning groove and the bottom surfaces are flush, so that the residual slag left in the processing groove during processing can be conveniently cleaned.

[0015] The heating plate is arranged below the hot-pressing seat, the hot-pressing groove is arranged below the heating plate, the bottom surface of the hot-pressing groove is an arc surface with a middle part protruding downward, can stably contact with the soldering feet of the electronic components and ensure the welding precision, and the blocking strips with semicircular sections are integrally formed at both sides of the hot-pressing groove, can effectively block the tin liquid from spreading and avoid the tin liquid flowing to other positions to cause the tin connection to occur, and ensure the welding quality. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the utility model Figure 1 ;

[0017] Figure 2 is a perspective view of the utility model Figure 2 ;

[0018] Figure 3 is a plan view of the utility model

[0019] Figure 4is the front view of the utility model;

[0020] Figure 5 is the side view of the utility model;

[0021] Figure 6 is the enlarged view of part A of the utility model.

[0022] As shown in the figure: 1, processing seat; 2, processing groove; 3, processing carrier plate; 4, cleaning groove; 5, jacking block; 6, jacking strip; 7, electric push rod; 8, hot pressing seat; 9, heating plate; 10, heater; 11, hot pressing groove; 12, blocking strip; 13, synchronous belt module; 14, air cylinder; 15, moving support plate. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in connection with the drawings.

[0024] In connection with the drawings Figure 1 , the drawings Figure 2 , the drawings Figure 4 , an electronic component hot pressing welding equipment, include: processing seat 1, its upper is equipped with processing groove 2, movable processing carrier plate 3 is equipped in the processing groove 2, the processing seat 1 one side is equipped with the cleaning groove 4 that communicates with processing groove 2, the cleaning groove 4 bottom surface is flush with the processing groove 2 bottom surface, is convenient for cleaning the residue etc. that is left in processing groove 2 during processing.

[0025] In connection with the drawings Figure 1 , the drawings Figure 3 , fixed mechanism, including jacking block 5 and jacking strip 6, the jacking block 5 is equipped with two and is located in the processing groove 2 processing carrier plate 3 both sides, the jacking strip 6 is located in the processing groove 2 processing carrier plate 3 front side, the jacking block 5 and jacking strip 6 are all by the electric push rod 7 that is fixed in the processing groove 2 drives, the electric push rod 7 that drives the jacking strip 6 is two, is connected with jacking strip 6 both ends respectively and synchronously drives jacking strip 6 both ends to move, so that jacking strip 6 is more uniform when jacking operation to processing carrier plate 3 front side, can better fixed processing carrier plate 3, guarantee the stability of processing.The jacking strip 6 lower end is equipped with cleaning notch, more convenient for fast cleaning residue.

[0026] In connection with the drawings Figure 1 , the drawings Figure 5The hot-pressing mechanism comprises a hot-pressing seat 8 and a multi-directional driving frame for driving the hot-pressing seat 8 to move, the multi-directional driving frame is fixedly arranged above the machining seat 1, a synchronous belt module 13 for driving the hot-pressing seat 8 to move left and right and a cylinder 14 for driving the hot-pressing seat 8 to move up and down are arranged on the multi-directional driving frame, the cylinder 14 is fixedly arranged on a moving support plate 15 driven by the synchronous belt module 13, and the hot-pressing seat 8 is fixedly arranged below the cylinder 14; the combined driving mode can accurately control the position of the hot-pressing seat 8, so that the hot-pressing seat 8 can flexibly and accurately reach the specified position for hot-pressing welding operation, and the welding precision is improved.

[0027] The drawings are combined Figure 5 A heating plate 9 is detachably arranged below the hot-pressing seat 8, the heating plate 9 is fixedly arranged below the hot-pressing seat 8 through screws arranged at four corners of the heating plate 9, and the screw fixing facilitates installation, disassembly and replacement of the heating plate 9.

[0028] The drawings are combined Figure 2 , the drawings are combined Figure 6 A heater 10 for heating the heating plate 9 is arranged above the hot-pressing seat 8, a plurality of hot-pressing grooves 11 matched with electronic components are arranged below the heating plate 9, and blocking strips 12 for preventing tin liquid from diffusing are integrally formed at both sides of the hot-pressing grooves 11 below the heating plate 9. The bottom surface of the hot-pressing groove 11 is an arc surface that is convex downward in the middle, can stably contact the welding leg of the electronic component and heat-press the welding leg, guarantees the welding precision, the vertical section of the blocking strip 12 is a semicircle, can effectively block the tin liquid from diffusing, guarantees the welding quality and avoids the tin liquid from affecting other parts.

[0029] Specific implementation manner of the utility model: firstly, connect the equipment with external power supply, place the circuit board needing hot-pressing welding on the machining carrier plate 3, then start the electric push rod 7 in the fixing mechanism, the clamping blocks 5 on both sides of the machining carrier plate 3 in the machining groove 2 move to the middle under the pushing of the electric push rod 7, at the same time, the electric push rod 7 connected with both ends of the clamping strip 6 synchronously drives the clamping strip 6 to move to the rear side, the clamping blocks 5 and the clamping strip 6 cooperate with the machining groove 2 to tightly clamp the machining carrier plate 3, and provide a stable supporting basis for subsequent welding.

[0030] Then, the mobile support plate 15 is driven to move left and right by the synchronous belt module 13 on the multi-directional driving frame, and the hot-pressing seat 8 fixed below the cylinder 14 is driven to move left and right, then the cylinder 14 drives the hot-pressing seat 8 to move downward, so that the heating plate 9 fixed below the hot-pressing seat 8 by screws is close to the position to be welded on the circuit board, and the soldered electronic component pins are placed below the hot-pressing groove 11. The heater 10 is started to heat the heating plate 9, the heating plate 9 moves downward, the upper wall of the hot-pressing groove 11 contacts and hot-presses the electronic component pins, and the blocking strip 12 can effectively block the diffusion of the melted tin liquid, so as to ensure the welding quality. The residues on the circuit board and in the processing groove 2 can be cleaned during welding, and then cleaned out through the cleaning groove 4, and after the welding is completed, the position of the processing carrier plate 3 can be moved and adjusted, and the processing groove 2 can be thoroughly cleaned.

[0031] In the description of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, and for ordinary skilled in the art, the specific meaning of the above-mentioned term in the present application can be understood according to the specific circumstances.

[0032] The above describes the present application and its implementation, which is not limited, and the embodiment shown in the drawings is only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if the ordinary skilled in the art is inspired, without departing from the creative purpose of the present application, without creative design, similar structure and embodiments of the technical scheme can be designed, which should belong to the protection scope of the present application.

Claims

1. A thermoforming equipment for electronic components, characterized in that, The utility model relates to a processing seat (1) is provided with processing groove (2) above, movable processing carrier plate (3) are equipped in processing groove (2), and the processing seat (1) one side is provided with with processing groove (2) intercommunication's cleaning groove (4); The fixed mechanism includes a pressing block (5) and a pressing strip (6), the pressing block (5) is provided with two and is equipped in the processing groove (2) processing carrier plate (3) both sides, the pressing strip (6) is equipped in the processing groove (2) processing carrier plate (3) front side, the pressing block (5) and the pressing strip (6) are all driven by the electric push rod (7) fixedly arranged in the processing groove (2); The hot-pressing mechanism includes a hot-pressing seat (8) and a multi-directional drive frame for driving the hot-pressing seat (8) to move, the multi-directional drive frame is fixedly arranged above the processing seat (1), a heating plate (9) is detachably arranged below the hot-pressing seat (8), a heater (10) is arranged above the hot-pressing seat (8) for heating the heating plate (9), a plurality of hot-pressing grooves (11) matched with electronic components are arranged below the heating plate (9), and a barrier strip (12) for preventing tin liquid from diffusing is integrally formed on both sides of the hot-pressing grooves (11) below the heating plate (9). The bottom surface of the cleaning groove (4) is flush with the bottom surface of the processing groove (2).

2. An apparatus for thermocompression bonding of electronic components as recited in claim 1, further comprising: The electric push rod (7) for driving the pressing strip (6) is two, respectively connected with both ends of the pressing strip (6) and synchronously drives both ends of the pressing strip (6) to move, and the lower end of the pressing strip (6) is provided with a cleaning notch.

3. The apparatus of claim 1 wherein: the first and second heating elements are formed of a material having a thermal conductivity of at least 100 W / mK. The multi-directional drive frame is provided with a synchronous belt module (13) for driving the hot-pressing seat (8) to move left and right and an air cylinder (14) for driving the hot-pressing seat (8) to move up and down, the air cylinder (14) is fixedly arranged on a moving plate (15) driven by the synchronous belt module (13), and the hot-pressing seat (8) is fixedly arranged below the air cylinder (14).

4. The apparatus of claim 1 wherein: The heating plate (9) is fixedly arranged below the hot-pressing seat (8) through screws arranged at four corners thereof, and the rear side of the heating plate (9) is provided with a notch.

5. The apparatus of claim 1 wherein: the first and second electrodes are formed of a material selected from the group consisting of copper, silver, gold, platinum, and alloys thereof. The bottom surface of the hot-pressing groove (11) is an arc surface with a downward protrusion in the middle, and the vertical cross section of the barrier strip (12) is semicircular.

6. The apparatus of claim 1 wherein: ​