Laser solder ball welding clamp

By introducing a pressure roller, pressure sensor, and transmission mechanism into the laser welding fixture, the problems of complex clamp connection and magnet demagnetization are solved, achieving stable control of the pressure under the cover plate and improving welding efficiency and yield.

CN223699589UActive Publication Date: 2025-12-23JIANGSU YIDINGXUN INTELLIGENT EQUIP CO LTD
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Patent Information

Application Number
CN202423294176.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-23
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing laser welding fixtures have complex connection structures between the pressure claws and the fixture, and are cumbersome to disassemble. Demagnetization of the magnets leads to unstable downward pressure, affecting welding efficiency and yield.

Method used

It employs a pressure roller, pressure sensor, and transmission mechanism. The position of the pressure roller is adjusted by rotating the screw driven by a motor. Combined with springs and clamping components, it achieves stable downward pressure on the cover plate and detects and adjusts the downward pressure in real time.

Benefits of technology

This achieves stable control of the pressure under the cover plate, improves welding efficiency and yield, and avoids instability caused by magnet demagnetization.

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Abstract

The utility model discloses a laser solder ball welding fixture, including base, cover plate, depression bar and clamping frame, the cover plate is movably installed on the top of base, the depression bar is fixedly connected to the bottom of cover plate, the depression bar is provided with a plurality of equidistant, the clamping frame is fixedly installed inside the base, and the clamping frame is fixedly connected to the bottom of the cover plate. The multiple clamping frames are distributed at equal intervals, fixing bases are fixedly connected to the two sides of the top of the base, transmission mechanisms are fixedly connected to the front faces of the fixing bases, and fixing shaft frames are arranged on the rear sides of the inner sides of the fixing bases. According to the utility model, the pressing wheel is arranged, so that the pressure sensor can detect the pressing force of the pressing wheel on the cover plate in real time, and the problem that the pressing force of the cover plate on a circuit board cannot be ensured because the cover plate is adsorbed by the magnetic force of a magnet in the use process and the magnet is demagnetized after being used for a long time is solved. And therefore, certain limitation exists.
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Description

TECHNICAL FIELD

[0001] The utility model relates to laser welding technical field, concretely is a kind of laser solder ball welding fixture. BACKGROUND

[0002] Laser welding is a kind of high-efficiency precision welding method using high-energy density laser beam as heat source.Laser welding is an important embodiment of laser material processing technology application.

[0003] For example, the utility model discloses a laser solder ball welding fixture, including cover plate, base, a plurality of clamping mechanisms and a plurality of pressure adjusting mechanisms, the cover plate is rotatably installed on the base, the clamping mechanism includes support seat and workpiece base installed on the support seat, the support seat is installed on the base, the workpiece to be welded is arranged on the workpiece base, the cover plate is pressed above the workpiece to be welded in closed state, each pressure adjusting mechanism is correspondingly connected with one clamping mechanism to adjust the pressure when the workpiece base and the workpiece to be welded are welded.

[0004] Based on the above patent search, and combined with the existing technology in the art, the above-mentioned device can solve the problems of complex pressure jaw and clamp connection structure, cumbersome pressure jaw disassembly, large space occupation in the current market clamp for laser welding. Some laser welding clamps even need to replace the entire clamp when cleaning the pressure jaw, resulting in high cost, low yield and low welding efficiency of laser welding. However, the cover plate is adsorbed by the magnetic force of the magnet during use, and the magnet will lose its magnetism after a long time of use, so that the downward pressure of the cover plate on the circuit board cannot be ensured, thus there is certain limitation. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the above background art, the purpose of the utility model is to provide a laser solder ball welding fixture, which has the advantages of auxiliary downward pressure, solves the problem that the cover plate is adsorbed by the magnetic force of the magnet during use, and the magnet will lose its magnetism after a long time of use, so that the downward pressure of the cover plate on the circuit board cannot be ensured, thus there is certain limitation.

[0006] To achieve the above object, the utility model provides following technical scheme: a laser soldering of tin ball clamp, including base, apron, batten and clamping frame, apron movable installation in the top of base, batten fixed connection in the bottom of apron, batten is provided with several and is equidistant, clamping frame fixed mounting in the inside of base, clamping frame is provided with several and is equidistant distribution, both sides of base top are all fixedly connected with fixed seat, the front of fixed seat is fixedly connected with transmission mechanism, the back of fixed seat inboard is provided with fixed axle bracket, the surface of fixed axle bracket is movably connected with down pressure wheel, the top of fixed axle bracket is fixedly connected with pressure sensor, the top of pressure sensor is fixedly connected with abutting assembly, down pressure wheel with apron movably connected.

[0007] As the utility model is preferred, the transmission mechanism includes motor, the output of motor is fixedly connected with screw rod, the surface of screw rod is fixedly connected with the screw sleeve, and the top of screw sleeve is fixedly connected with the adjusting assembly.

[0008] As the utility model is preferred, the adjusting assembly includes fixed frame, the fixed frame is fixedly connected at the top of screw sleeve, the inside of fixed frame is fixedly connected with electric rod, and the bottom of electric rod is fixedly connected with adjusting plate.

[0009] As the utility model is preferred, the abutting assembly includes abutting plate, both sides of the top of abutting plate are all fixedly connected with spring, and the top of spring is fixedly connected with the bottom of adjusting plate.

[0010] As the utility model is preferred, both sides of the bottom of adjusting plate are all fixedly connected with telescopic rod, the bottom of telescopic rod is fixedly connected with the top of abutting plate, the surface of spring is provided with telescopic protective sleeve, the top of telescopic protective sleeve is fixedly connected with the bottom of adjusting plate, and the bottom of telescopic protective sleeve is fixedly connected with the top of abutting plate.

[0011] As the utility model is preferred, both sides of the front of base are all fixedly connected with numerical display, and the numerical display is electrically connected with pressure sensor through wire.

[0012] As the utility model is preferred, the back of inner wall of base is movably embedded with support rod, and the front of support rod is fixedly connected with the rear end of screw rod.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. The utility model discloses a lower pressure wheel is set up, make pressure sensor can real -time detection lower pressure wheel to the cover plate lower pressure, solved in the process of using through the magnetism of magnet and cover plate adsorption, and the long -time use of magnet can appear the phenomenon of demagnetization, thereby can not guarantee the lower pressure of cover plate to circuit board, thereby there is certain limited problem, has the advantage of auxiliary lower pressure.

[0015] 2. The utility model discloses a transmission mechanism is set up, make motor start -up can drive screw rod and rotate, make screw rod rotate can drive the movement of the fixed seat inside screw bush, again through setting up adjusting component, make the electric rod in fixed frame inside start -up can drive adjusting plate and move, thereby make adjusting plate can through spring and the down pressure wheel of close -fit board on fixed axle frame and drive height adjustment.

[0016] 3. The utility model discloses a close -fit component is set up, make the spring of adjusting plate bottom can through the elastic force of self -driven close -fit board and move down, make close -fit board move down can drive the down pressure wheel of fixed axle frame to cover plate and close -fit, again through setting up telescopic link and telescopic protective sheath, make the use of telescopic link can be positioned to spring, and the use of telescopic protective sheath can protect the surface of spring. DRAWINGS

[0017] Figure 1 It is the three -dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is the three -dimensional structure schematic diagram of another angle of the utility model;

[0019] Figure 3 It is the fixed seat three -dimensional cut -off explosion schematic diagram of the utility model.

[0020] In the drawing: 1, base plate; 2, cover plate; 3, pressing strip; 4, clamping frame; 5, fixed seat; 6, transmission mechanism; 61, motor; 62, screw rod; 63, screw bush; 64, adjusting component; 641, fixed frame; 642, electric rod; 643, adjusting plate; 7, fixed axle frame; 8, down pressure wheel; 9, pressure sensor; 10, close -fit component; 101, close -fit board; 102, spring; 11, telescopic link; 12, telescopic protective sheath; 13, numerical display; 14, support rod. SPECIFIC IMPLEMENTATION

[0021] The technical scheme in the embodiments of the utility model will be described below in conjunction with the drawings in the embodiments of the utility model, apparently, the described embodiments only part of the embodiments of the utility model, but not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0022] As Figures 1 to 3 shown, the utility model provides a kind of laser soldering of tin ball clamp, including base 1, cover plate 2, batten 3 and clamping frame 4, cover plate 2 movably installed at the top of base 1, batten 3 is fixedly connected at the bottom of cover plate 2, batten 3 is provided with several and equidistance, clamping frame 4 is fixedly installed in the inside of base 1, clamping frame 4 is provided with several and equidistance distribution, the both sides of base 1 top are fixedly connected with fixed seat 5, the front of fixed seat 5 is fixedly connected with transmission mechanism 6, the rear of fixed seat 5 inside is provided with fixed axle bracket 7, the surface of fixed axle bracket 7 is movably connected with down pressure wheel 8, the top of fixed axle bracket 7 is fixedly connected with pressure sensor 9, the top of pressure sensor 9 is fixedly connected with abutting assembly 10, down pressure wheel 8 is movably connected with cover plate 2.

[0023] Reference Figure 3 , transmission mechanism 6 includes motor 61, the output of motor 61 is fixedly penetrated to the inside of fixed seat 5, the output of motor 61 is fixedly connected with screw rod 62, the surface of screw rod 62 is threadedly connected with screw sleeve 63, the top of screw sleeve 63 is fixedly connected with adjusting assembly 64.

[0024] As a kind of technical optimization scheme of the utility model, by setting transmission mechanism 6, motor 61 can be driven screw rod 62 to rotate after starting, make screw rod 62 rotate can drive screw sleeve 63 moves in the inside of fixed seat 5.

[0025] Reference Figure 3 , adjusting assembly 64 includes fixed frame 641, fixed frame 641 is fixedly connected at the top of screw sleeve 63, the inside of fixed frame 641 is fixedly connected with electric rod 642, the bottom of electric rod 642 is fixedly connected with adjusting plate 643.

[0026] As a kind of technical optimization scheme of the utility model, by setting adjusting assembly 64, electric rod 642 in the inside of fixed frame 641 can drive adjusting plate 643 to move after starting, so that adjusting plate 643 can drive down pressure wheel 8 on fixed axle bracket 7 to carry out height adjustment by spring 102 and abutting plate 101.

[0027] Reference Figure 3 , abutting assembly 10 includes abutting plate 101, the both sides of abutting plate 101 top are fixedly connected with spring 102, the top of spring 102 is fixedly connected with the bottom of adjusting plate 643.

[0028] As a kind of technical optimization scheme of the utility model, by setting abutting assembly 10, spring 102 in the bottom of adjusting plate 643 can drive abutting plate 101 to move downward by the elastic force of itself, abutting plate 101 can drive down pressure wheel 8 on fixed axle bracket 7 to abutting and fit cover plate 2 after moving downward.

[0029] With reference to Figure 3 The bottom of the adjusting plate 643 is fixedly connected with two telescopic rods 11, the bottom end of the telescopic rod 11 is fixedly connected with the top of the abutting plate 101, the surface of the spring 102 is sleeved with a telescopic protective sleeve 12, the top of the telescopic protective sleeve 12 is fixedly connected with the bottom of the adjusting plate 643, and the bottom of the telescopic protective sleeve 12 is fixedly connected with the top of the abutting plate 101.

[0030] As a technical optimization scheme of the utility model, the telescopic rod 11 can limit the spring 102, and the telescopic protective sleeve 12 can protect the surface of the spring 102.

[0031] With reference to Figure 1 The front of the base 1 is fixedly connected with a numerical display 13, and the numerical display 13 is electrically connected with the pressure sensor 9 through wires.

[0032] As a technical optimization scheme of the utility model, the numerical display 13 can display the value of the pressure sensor 9 in real time, so that the user can observe the pressure data in real time.

[0033] With reference to Figure 3 The rear side of the inner wall of the base 1 is movably embedded with a supporting rod 14, and the front end of the supporting rod 14 is fixedly connected with the rear end of the screw rod 62.

[0034] As a technical optimization scheme of the utility model, the supporting rod 14 can support the screw rod 62, thereby ensuring the stability of the screw rod 62 during rotation.

[0035] The working principle and use process of the utility model: when using, cover the cover plate 2, then start the motor 61, make the motor 61 drive the screw rod 62 to rotate, make the screw rod 62 drive the screw sleeve 63 to move to the front side after rotating, make the screw sleeve 63 drive the fixed frame 641 to move to the front side after moving to the front side, make the fixed frame 641 drive the electric lever 642 to move to the front side, make the electric lever 642 drive the abutting plate 101 to move to the front side through the telescopic rod 11 at the bottom of the adjusting plate 643, the abutting plate 101 can move on the cover plate 2 through the fixed shaft frame 7 at the bottom of the pressure sensor 9 after moving to the front side, so as to adjust the pressing position of the pressing wheel 8 to the cover plate 2, then start the electric lever 642, the electric lever 642 can drive the adjusting plate 643 to move downward after starting, the abutting plate 101 can be driven to move downward through the spring 102 after the adjusting plate 643 moves downward, the abutting plate 101 can drive the fixed shaft frame 7 to move through the pressure sensor 9 after moving downward, the fixed shaft frame 7 drives the pressing wheel 8 to press the cover plate 2, and the pressure sensor 9 can detect the pressing force of the pressing wheel 8 to the cover plate 2 in real time, so that the user can control the pressing force of the cover plate 2 in real time, and the effect of auxiliary pressing is achieved.

[0036] In conclusion: the laser tin ball welding fixture, through the setting of the pressing wheel 8, the pressure sensor 9 can detect the pressing force of the pressing wheel 8 to the cover plate 2 in real time, solves the problem that the cover plate is adsorbed by the magnetic force of the magnet during use, and the magnet will demagnetize after long-time use, so that the pressing force of the cover plate to the circuit board cannot be ensured, thereby existing certain limitation.

[0037] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0038] Although the embodiments of the utility model have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A laser soldering jig for soldering a tin ball, comprising a base (1), a cover plate (2), a pressing strip (3) and a clamping frame (4), characterized in that: The cover plate (2) is movably mounted on the top of the base (1), the pressing strip (3) is fixedly connected to the bottom of the cover plate (2), the pressing strip (3) is provided with several and is equidistant, the clamping frame (4) is fixedly installed in the inside of the base (1), the clamping frame (4) is provided with several and is equidistantly distributed, both sides of the top of the base (1) are fixedly connected with the fixed seat (5), the front surface of the fixed seat (5) is fixedly connected with the transmission mechanism (6), the back side of the inner side of the fixed seat (5) is provided with the fixed shaft frame (7), the surface of the fixed shaft frame (7) is movably connected with the lower pressing wheel (8), the top of the fixed shaft frame (7) is fixedly connected with the pressure sensor (9), the top of the pressure sensor (9) is fixedly connected with the abutting assembly (10), the lower pressing wheel (8) is movably connected with the cover plate (2).

2. The laser soldering fixture of claim 1, wherein: The transmission mechanism (6) comprises a motor (61), the output end of the motor (61) is fixedly connected to the inside of the fixed seat (5), the output end of the motor (61) is fixedly connected with the screw rod (62), the surface of the screw rod (62) is threadedly connected with the screw sleeve (63), the top of the screw sleeve (63) is fixedly connected with the adjusting assembly (64).

3. The laser soldering fixture of claim 2, wherein: The adjusting assembly (64) comprises a fixed frame (641), the fixed frame (641) is fixedly connected to the top of the screw sleeve (63), the inside of the fixed frame (641) is fixedly connected with the electric rod (642), the bottom end of the electric rod (642) is fixedly connected with the adjusting plate (643).

4. The laser soldering fixture of claim 3, wherein: The abutting assembly (10) comprises an abutting plate (101), both sides of the top of the abutting plate (101) are fixedly connected with the spring (102), the top end of the spring (102) is fixedly connected with the bottom of the adjusting plate (643).

5. The laser soldering fixture of claim 4, wherein: Both sides of the bottom of the adjusting plate (643) are fixedly connected with the telescopic rod (11), the bottom end of the telescopic rod (11) is fixedly connected with the top of the abutting plate (101), the surface of the spring (102) is sleeved with the telescopic protective sleeve (12), the top of the telescopic protective sleeve (12) is fixedly connected with the bottom of the adjusting plate (643), the bottom of the telescopic protective sleeve (12) is fixedly connected with the top of the abutting plate (101).

6. The laser soldering fixture of claim 1, wherein: Both sides of the front surface of the base (1) are fixedly connected with the numerical display (13), the numerical display (13) is electrically connected with the pressure sensor (9) through wires.

7. The laser soldering fixture of claim 2, wherein: The rear side of the inner wall of the base (1) is movably embedded with the supporting rod (14), the front end of the supporting rod (14) is fixedly connected with the rear end of the screw rod (62).

Citation Information

Patent Citations

  • Laser solder ball welding fixture

    CN213288979U