SMT patch quality detection device

By designing an SMT patch quality detection device with rotor, motor, gear and electromagnet, the connection strength of the patch is detected by centrifugal force and vibration of the electromagnet, the problem of single detection methods is solved and multi-directional detection is realized and more representative test results.

CN222212591UActive Publication Date: 2024-12-20LANZHOU UNIVERSITY OF TECHNOLOGY
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Patent Information

Application Number
CN202420752259.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-12
Publication Date
2024-12-20
Estimated Expiration
2034-04-12

AI Technical Summary

Technical Problem

The existing SMT patch quality detection device has a relatively single detection method, and it is impossible to conduct multi-directional testing, and the detection results are not representative.

Method used

A detection device including a rotor, motor, gear, electromagnet and transparent frame is designed. The gear and ring gear are rotated quickly by the motor, and the connection strength of the patch is detected by centrifugal force, and the electromagnet is repeatedly turned on and off. Make the workpiece vibrate up and down, and combine it with a transparent frame blocking patch to prevent it from flying out, achieving multi-directional detection.

Benefits of technology

A more diverse detection method is realized, the quality of the patch can be detected from multiple angles, and the representativeness and accuracy of the detection results are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an SMT patch quality detection device which comprises a machine base, a top base arranged at the upper end of the machine base, a supporting base fixedly installed at the top of the top base, an anti-skid soft cushion fixedly connected to the top of the supporting base, four positioning mechanisms arranged on the top base and distributed at the supporting base in a four-corner mode, and a rotary drum rotatably installed on the machine base. The upper end of the spline shaft is fixedly connected to the center of the bottom of the top seat, a spring is arranged in the rotary drum, the two ends of the spring are fixedly connected into the rotary drum and the bottom of the spline shaft respectively, the motor drives the gear to rotate, the gear drives the gear ring to rotate, and the gear ring and the rotary drum are connected and rotate synchronously. The patch on the workpiece is subjected to the action of centrifugal force in the rotating process, so that when the patch is not firmly pasted, the patch moves under the action of the centrifugal force, the patch is separated from the workpiece, and the connection strength of the patch can be detected.
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Description

Technical Field

[0001] The utility model relates to the technical field related to patch detection, in particular to an SMT patch quality detection device. Background Art

[0002] The patch quality inspection device is a device used to detect the quality of patch components. These devices usually have high-precision detection capabilities and can accurately identify and evaluate the various parameters of patch components to ensure that they meet the specified standards and quality requirements. In the electronics manufacturing industry, the quality of patch components is crucial to the performance and reliability of the product. Therefore, patch quality inspection devices are widely used in production lines. They can detect key parameters such as the position, size, and shape of patch components in real time during the production process, and quickly and accurately determine whether they meet production requirements. With the continuous development of science and technology, patch quality inspection devices are also constantly upgraded and improved. Modern patch quality inspection devices are usually equipped with advanced sensors and image processing technology, which can achieve faster and more accurate detection. At the same time, some high-end inspection devices also have the characteristics of automation and intelligence, which can automatically adjust the inspection parameters, automatically identify and classify defects, and provide real-time feedback on the inspection results, greatly improving production efficiency and product quality. The existing SMT patch quality inspection device has a relatively single inspection method, which cannot be carried out in all directions, and the inspection results are relatively single and not representative. Utility Model Content

[0003] In order to solve the defects in the prior art, the utility model provides a SMT patch quality detection device.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] The utility model discloses an SMT patch quality inspection device, comprising a machine base, a top base is arranged at the upper end of the machine base, a support base is fixedly installed at the top of the top base, a non-slip soft pad is fixedly connected to the top of the support base, four positioning mechanisms are arranged on the top base, and the four positioning mechanisms are distributed at the support base at four corners, a rotating drum is rotatably arranged on the machine base, a spline groove is arranged inside the rotating drum, a spline shaft is inserted in the rotating drum, the lower end of the spline shaft is spline-matched with the spline groove, the upper end of the spline shaft is fixedly connected to the center of the bottom of the top base, a spring is arranged in the rotating drum, and two ends of the spring are respectively fixedly connected in the rotating drum and the bottom of the spline shaft, a driving mechanism is installed on the machine base, and the driving mechanism is connected to the rotating drum and can drive the rotating drum to rotate.

[0006] As a preferred technical solution of the utility model, the driving mechanism includes a gear ring, which is sleeved outside the rotating drum and fixedly connected to the rotating drum. A motor is fixedly mounted on the machine base, and a gear is fixedly mounted on the output shaft end of the motor, and the gear is meshed with the gear ring.

[0007] As a preferred technical solution of the utility model, the positioning mechanism includes a pressure block, which is arranged above the anti-slip pad, and a plurality of guide rods pass through the pressure block, and the lower ends of the guide rods are fixedly connected to the top seat, and a screw rod passes through and is threadedly connected to the pressure block, and the lower end of the screw rod can be rotatably mounted on the top seat, and a turntable is fixedly mounted on the top of the screw rod.

[0008] As a preferred technical solution of the utility model, an annular groove is provided on the top seat, and a plurality of connecting blocks distributed in a circular array are fixedly connected in the annular groove. The utility model also includes a mounting seat, which can be placed in the annular groove, and a transparent frame is fixedly installed on the top of the mounting seat, and the transparent frame is arranged in a ring shape.

[0009] As a preferred technical solution of the utility model, an electromagnet is fixedly installed in the rotating drum, the electromagnet is located in the spring, a magnet is fixedly installed at the bottom of the spline shaft, and the magnet is arranged in coordination with the electromagnet.

[0010] The beneficial effects of the utility model are:

[0011] The motor drives the gear to rotate, the gear drives the gear ring to rotate, the gear ring and the rotating drum are connected and rotate synchronously, so that the workpiece rotates rapidly. During the rotation of the patch on the workpiece, the patch is affected by the centrifugal force. Therefore, when the patch is not firmly attached, the patch will move under the action of centrifugal force, so that the patch will be separated from the workpiece. The connection strength of the patch can be tested.

[0012] The patch on the workpiece is affected by centrifugal force during its rotation. When the patch is not firmly attached, the patch will move under the action of centrifugal force, causing the patch to detach from the workpiece. After the patch detaches, it will continue to move and be blocked by a transparent frame to prevent the patch from flying far away and being difficult to pick up, and to prevent the patch from hitting the staff.

[0013] By repeatedly turning the electromagnet on and off, the workpiece is vibrated up and down to detect the connection strength of the patch on the workpiece. Therefore, the patch quality detection device in this application has more diverse detection methods, can perform multi-directional detection, and the detection results are more representative. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 This is a schematic diagram of the structure of a SMT patch quality inspection device of the utility model. Figure 1 ;

[0016] Figure 2 This is a schematic diagram of the structure of a SMT patch quality inspection device of the utility model. Figure 2 ;

[0017] Figure 3 This is an enlarged cross-sectional view of a part of the structure of an SMT patch quality inspection device of the utility model;

[0018] Figure 4 The utility model is an enlarged structural schematic diagram of a positioning mechanism of an SMT patch quality detection device.

[0019] In the figure: machine base 1, top base 2, support base 3, anti-skid cushion 4, rotating drum 5, spline groove 6, spline shaft 7, spring 8, gear ring 9, motor 10, gear 11, pressure block 12, guide rod 13, screw 14, turntable 15, annular groove 16, connecting block 17, mounting base 18, transparent frame 19, electromagnet 20, magnet 21. DETAILED DESCRIPTION

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0021] Example: Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the utility model is an SMT patch quality detection device, including a machine base 1, a top seat 2 is arranged on the upper end of the machine base 1, a support seat 3 is fixedly installed on the top of the top seat 2, a non-slip cushion 4 is fixedly connected to the top of the support seat 3, four positioning mechanisms are arranged on the top seat 2, and the four positioning mechanisms are distributed at the four corners of the support seat 3, a rotating drum 5 is rotatably installed on the machine base 1, a spline groove 6 is arranged inside the rotating drum 5, a spline shaft 7 is inserted in the rotating drum 5, the lower end of the spline shaft 7 is spline-matched with the spline groove 6, and the upper end of the spline shaft 7 is fixedly connected to the center of the bottom of the top seat 2, a spring 8 is arranged in the rotating drum 5, and the two ends of the spring 8 are respectively fixedly connected to the rotating drum 5 and the bottom of the spline shaft 7, and a driving mechanism is installed on the machine base 1, and the driving mechanism is connected to the rotating drum 5 and can drive the rotating drum 5 to rotate.

[0022] The driving mechanism includes a gear ring 9 which is sleeved outside the drum 5 and fixedly connected to the drum 5 . A motor 10 is fixedly mounted on the machine base 1 . A gear 11 is fixedly mounted on the output shaft end of the motor 10 . The gear 11 meshes with the gear ring 9 .

[0023] By placing the workpiece on the anti-skid pad 4, fixing it through four positioning mechanisms, and driving the gear 11 to rotate through the motor 10, the gear 11 drives the gear ring 9 to rotate, and the gear ring 9 and the rotating drum 5 are connected and rotate synchronously, so that the rotating drum 5 can drive the spline shaft 7 to rotate, and the spline shaft 7, the top seat 2, the anti-skid pad 4 and the workpiece thereon rotate, so that the workpiece rotates quickly, and the patch on the workpiece is affected by centrifugal force during the rotation process, so that when the patch is not firmly attached, the patch will move under the action of centrifugal force, so that the patch will be separated from the workpiece. The connection strength of the patch can be detected.

[0024] Among them, the positioning mechanism includes a pressure block 12, which is arranged above the anti-slip pad 4. A plurality of guide rods 13 pass through the pressure block 12. The lower ends of the guide rods 13 are fixedly connected to the top seat 2. A screw 14 passes through and is threadedly connected to the pressure block 12. The lower end of the screw 14 can be rotatably installed on the top seat 2, and a turntable 15 is fixedly installed on the top of the screw 14.

[0025] The workpiece is placed on the anti-skid cushion 4 and fixed by four positioning mechanisms. The screw 14 is driven to rotate by rotating the turntable 15, so that the pressing block 12 moves along the direction of the guide rod 13, so that the four pressing blocks 12 are pressed on the workpiece and fix the workpiece.

[0026] Among them, an annular groove 16 is opened on the top seat 2, and a plurality of connecting blocks 17 distributed in a circular array are fixedly connected in the annular groove 16. It also includes a mounting seat 18, which can be placed in the annular groove 16. A transparent frame 19 is fixedly installed on the top of the mounting seat 18, and the transparent frame 19 is arranged in a ring shape.

[0027] The patch on the workpiece is affected by centrifugal force during rotation, so when the patch is not firmly attached, the patch will move under the action of centrifugal force, causing the patch to detach from the workpiece. After detaching, the patch will continue to move, and the transparent frame 19 will block the patch to prevent the patch from flying far away and being difficult to pick up, and to prevent the patch from hitting the staff.

[0028] An electromagnet 20 is fixedly installed in the rotating drum 5 , and the electromagnet 20 is located in the spring 8 . A magnet 21 is fixedly installed at the bottom of the spline shaft 7 , and the magnet 21 is matched with the electromagnet 20 .

[0029] When the workpiece is in a stationary state, by energizing the electromagnet 20, the electromagnet 20 applies an adsorption force to the magnet 21, which can drive the spline shaft 7, the top seat 2, and the workpiece to move downward, the spring 8 contracts, and the electromagnet 20 is powered off again, and the spring 8 elastic force drives the workpiece to move upward, and then the electromagnet 20 is repeatedly powered on and off, so that the workpiece vibrates up and down to detect the connection strength of the patch on the workpiece. Therefore, the detection method of the patch quality detection device in this application is more diverse, and multi-directional detection can be performed, and the detection results are more representative.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A SMT patch quality inspection device, comprising a base (1), It is characterized in that A top seat (2) is arranged at the upper end of the machine base (1), a support seat (3) is fixedly installed on the top of the top seat (2), a non-slip soft pad (4) is fixedly connected to the top of the support seat (3), four positioning mechanisms are arranged on the top seat (2), and the four positioning mechanisms are distributed at four corners of the support seat (3), a rotating drum (5) is rotatably mounted on the machine base (1), a spline groove (6) is arranged inside the rotating drum (5), a spline shaft (7) is inserted into the rotating drum (5), the lower end of the spline shaft (7) is spline-matched with the spline groove (6), the upper end of the spline shaft (7) is fixedly connected to the center of the bottom of the top seat (2), a spring (8) is arranged in the rotating drum (5), and the two ends of the spring (8) are respectively fixedly connected to the rotating drum (5) and the bottom of the spline shaft (7), and a driving mechanism is installed on the machine base (1), and the driving mechanism is connected to the rotating drum (5) and can drive the rotating drum (5) to rotate.

2. A SMT patch quality detection device according to claim 1, It is characterized in that The driving mechanism comprises a gear ring (9), the gear ring (9) is sleeved outside the rotating drum (5) and fixedly connected to the rotating drum (5), a motor (10) is fixedly mounted on the machine base (1), a gear (11) is fixedly mounted on the output shaft end of the motor (10), and the gear (11) is meshed with the gear ring (9).

3. The SMT patch quality detection device according to claim 1, It is characterized in that The positioning mechanism comprises a pressing block (12), wherein the pressing block (12) is arranged above the anti-slip soft pad (4), a plurality of guide rods (13) pass through the pressing block (12), the lower ends of the guide rods (13) are fixedly connected to the top seat (2), a screw rod (14) passes through and is threadedly connected to the pressing block (12), the lower end of the screw rod (14) is rotatably mounted on the top seat (2), and a rotating disk (15) is fixedly mounted on the top of the screw rod (14).

4. The SMT patch quality detection device according to claim 1, It is characterized in that The top seat (2) is provided with an annular groove (16), a plurality of connection blocks (17) distributed in a circumferential array are fixedly connected in the annular groove (16), and also includes a mounting seat (18), the mounting seat (18) can be placed in the annular groove (16), and a transparent frame (19) is fixedly installed on the top of the mounting seat (18), and the transparent frame (19) is arranged in an annular shape.

5. The SMT patch quality detection device according to claim 2, It is characterized in that An electromagnet (20) is fixedly installed in the rotating drum (5), and the electromagnet (20) is located in the spring (8). A magnet (21) is fixedly installed at the bottom of the spline shaft (7), and the magnet (21) is arranged in coordination with the electromagnet (20).