Equipment and method for detecting and removing cold solder joints of electronic components

By designing equipment for detecting and removing false soldering of electronic components, and using motors and cylinder drive mechanisms to automatically detect and remove false soldered joints, the problem of manpower dependence and difficulty in controlling accuracy in the existing technology has been solved, and efficient and accurate false soldering detection and removal has been achieved. .

CN119327742APending Publication Date: 2025-01-21郯城鸿锐电子有限公司
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Patent Information

Application Number
CN202310878629.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2023-07-18
Publication Date
2025-01-21

AI Technical Summary

Technical Problem

The prior art relies on manpower to detect false welding of electronic components, resulting in high labor consumption and difficult to control accuracy, and lacks the function of eliminating and recycling of virtual welding electronic components.

Method used

Design an electronic component virtual soldering detection and rejection equipment, including a detection mechanism and a rejection mechanism. The detection mechanism drives the eccentric wheel through the motor to drive the electronic components to rock back and forth, and uses the touch switch to detect the false soldering; the rejecting mechanism drives the push block through the cylinder to remove the false soldered parts and recycle them.

Benefits of technology

It realizes automated detection and rejection, reduces manpower consumption, improves detection accuracy, and has the function of effectively rejecting and recycling virtual soldered electronic components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an electronic component cold solder joint detecting and removing device which comprises a bottom plate, a detecting mechanism and a removing mechanism. The removing mechanism comprises a vertical plate fixedly connected to the top of the bottom plate, an air cylinder is fixedly installed on one side of the vertical plate, a piston rod of the air cylinder is fixedly connected with a push block, and the top of the vertical plate is fixedly connected with a supporting plate through a fixing plate. According to the electronic component pseudo soldering detection and removal equipment and the method thereof, the detection mechanism and the removal mechanism are arranged on the bottom plate, so that the fixed frame can drive the electronic component to shake back and forth after the motor is started, the pseudo soldering electronic component can touch the touch switch, and a worker can conveniently determine the pseudo soldering problem in time through an indicator lamp; after the air cylinder is started, the push block can be driven to remove the pseudo soldering part on the electronic element into the empty slot for recovery; through the arrangement, manpower consumption is reduced, and the problem that accuracy is difficult to control due to the fact that workers judge pseudo soldering only through naked eyes is solved.
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Description

Technical Field

[0001] The invention relates to the field of electronic components, in particular to an electronic component cold solder joint detection and rejection device and a method thereof. Background Art

[0002] As we all know, when testing the cold solder joint problem of electronic components, the existing technology usually adopts four methods: 1. intuitive detection method; 2. current detection method; 3. shaking method; 4. vibration method. Among them, when testing larger electronic components, the shaking method is mainly used; the specific operation of the shaking method is that the staff shakes the pinched electronic components with their hands or tweezers, and determines whether the electronic components have cold solder joints by observing whether the electronic components are loose;

[0003] The prior art mainly relies on manual operation when using the shaking method to detect cold solder joints on electronic components, which not only increases the manpower consumption, but also makes it difficult for the staff to accurately judge the cold solder joint problem by naked eyes, and also does not have the function of removing and recycling electronic components with cold solder joints. Therefore, we propose an electronic component cold solder joint detection and removal device and method.

[0004] The above information disclosed in the Background section is only for enhancement of understanding of the background of the present disclosure and therefore it may include information that does not constitute the prior art that is already known to one of ordinary skill in the art. Summary of the invention

[0005] The object of the present invention is to provide an electronic component cold solder joint detection and rejection device and method thereof to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: an electronic component cold solder joint detection and rejection device, comprising: a bottom plate, a detection mechanism and a rejection mechanism;

[0007] The rejection mechanism comprises a vertical plate fixedly connected to the top of the bottom plate, a cylinder is fixedly installed on one side of the vertical plate, a piston rod of the cylinder is fixedly connected to a push block, and the top of the vertical plate is fixedly connected to a support plate via a fixing plate;

[0008] The detection mechanism includes a slider movably connected to the bottom of the support plate and an indicator light fixedly installed on the top of the support plate, the bottom of the slider is fixedly connected to a fixed frame, one side of the fixed frame is provided with a groove, the outer side of the fixed frame is fixedly connected to a block, the inside of the block is slidably connected to a sliding rod, one end of the sliding rod is fixedly connected to a connecting block, one side of the connecting block is fixedly connected to a movable frame, a second spring is mounted on the sliding rod, the two ends of the second spring are respectively fixedly connected to the block and the connecting block, a connecting seat is hingedly connected to a side of the fixed frame away from the movable frame, a touch switch is fixedly installed on the connecting seat, and the electric control output end of the touch switch is electrically connected to the electric control input end of the indicator light.

[0009] By adopting the above technical scheme, after the cylinder is started, it can drive the push block to move in the direction close to the fixed electronic component, so that the push block can remove the cold-soldered part of the electronic component; in addition, after the electronic component to be inspected is placed in the groove, the movable frame can be loosened so that the slide bar can drive the movable frame to be inserted into the groove through the connecting block under the action of the second spring reset, so that the electronic component in the groove can be clamped; when the fixed frame drives the electronic component to swing back and forth, the electronic component with cold soldering will become loose, so that when the loose side touches the touch switch during the shaking process, the touch switch can start the indicator light, so that the staff can find the electronic component with cold soldering in time.

[0010] Preferably, the rejection mechanism further comprises a base fixedly connected to the top of the bottom plate, and an empty groove is formed on one side of the base.

[0011] By adopting the above technical solution, the removed parts of the electronic components can enter the empty slots for recycling.

[0012] Preferably, the detection mechanism also includes a bracket fixedly connected to the top of the base, one side of the bracket is fixedly connected to the support plate, and a motor is fixedly installed on the other side of the bracket, the output shaft of the motor is fixedly connected to an eccentric wheel, the outer side of the eccentric wheel is tightly attached to a baffle, one side of the baffle is fixedly connected to a rod body, the rod body is slidably connected to the inside of the support plate, one end of the rod body away from the baffle is fixedly connected to a slider, the rod body is sleeved with a first spring, and both ends of the first spring are respectively fixedly connected to the slider and the support plate.

[0013] By adopting the above technical solution, after the motor is started, it can drive the eccentric wheel to continuously squeeze the baffle, so that the baffle can move back and forth with the rotation of the eccentric wheel under the action of the rod body and the first spring, and then the slider can drive the electronic component to swing back and forth through the fixed frame.

[0014] Preferably, a sliding groove is provided at the bottom of the support plate, and the inner side wall of the sliding groove is slidably connected to the sliding block.

[0015] By adopting the above technical solution, the slider can move more smoothly on the bottom of the support plate.

[0016] Preferably, a through slot is provided inside the connecting base, the touch switch is fixedly mounted on one side of the connecting base, and a button of the touch switch passes through the inside of the through slot.

[0017] By adopting the above technical solution, it is easier for a loose electronic component to touch the button of the touch switch.

[0018] Preferably, a thread groove is provided on one side of the connecting seat, an arc-shaped plate is fixedly connected to one side of the fixing frame, and two bolts are connected to the inner threads of the arc-shaped plate.

[0019] By adopting the above technical solution, the position of the connecting socket can be easily fixed during normal use and when folded.

[0020] Preferably, a pull ear is fixedly connected to a side of the movable frame away from the fixed frame.

[0021] By adopting the above technical solution, it is possible to easily pull the movable frame.

[0022] Preferably, a first switch and a second switch are fixedly installed on one side of the vertical plate, respectively, the electric control output end of the first switch is electrically connected to the electric control input end of the motor through a wire, and the electric control output end of the second switch is electrically connected to the electric control input end of the cylinder through a wire.

[0023] By adopting the above technical solution, the operating states of the motor and the cylinder can be easily controlled.

[0024] In addition, the present invention also provides a method for detecting and removing cold solder joints of electronic components, comprising the following steps:

[0025] Step 1: Pull the movable frame out of the groove through the pull ear, then put the welded electronic component into the groove, and after releasing the pull ear, the slide bar drives the movable frame into the groove through the connecting block under the reset action of the second spring, so that one side of the electronic component is clamped by the movable frame;

[0026] Step 2: The motor drives the eccentric wheel to rotate, so that the baffle is constantly squeezed by the eccentric wheel, and the rod body drives the baffle to reset continuously under the action of the first spring, so that the slider drives the electronic component to swing back and forth continuously through the fixed frame under the action of the rod body;

[0027] Step 3: The electronic component with a cold solder joint may become loose on the side not fixed by the fixing frame due to the unstable connection. The loosened electronic component may come into contact with the touch switch during the movement. When the touch switch is touched, the indicator light is activated, so that the inspection personnel can find the electronic component with a cold solder joint in time.

[0028] Step 4: Turn off the motor through the first switch, then unscrew one of the bolts from the thread groove, rotate the connecting seat, so that the connecting seat drives the touch switch to move to a position perpendicular to the fixing frame, and screw another corresponding bolt into the thread groove to fix the position of the connecting seat after rotation;

[0029] Step 5. Start the cylinder through the second switch, and the cylinder drives the push block to move towards the direction close to the electronic component, so that the electronic component with cold solder joint is disconnected under the thrust of the push block, and the electronic component on one side that is removed enters the empty slot for recycling, so as to facilitate welding processing again.

[0030] Preferably, in step 2, the electronic component will not come into contact with the push block and the base when it is driven by the fixing frame to rock back and forth.

[0031] In summary, the present application includes at least one of the following beneficial technical effects:

[0032] The electronic component cold solder joint detection and rejection device and method thereof are provided with a detection mechanism and a rejection mechanism on a bottom plate, so that after the motor is started, the fixed frame can drive the electronic component to swing back and forth, so that the cold solder joint electronic component can touch the touch switch, thereby facilitating the staff to determine the cold solder joint problem in time through the indicator light; and after the cylinder is started, it can drive the push block to reject the cold solder joint part on the electronic component into an empty slot for recycling; through the above settings, not only the manpower consumption is reduced, but also the problem of the staff only judging the cold solder joint by naked eyes and causing the accuracy to be difficult to control is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a structural schematic diagram of the electronic component cold solder joint detection and rejection device of the present invention;

[0034] Figure 2 It is an enlarged schematic diagram of area A of the structural schematic diagram of the electronic component cold solder joint detection and rejection device of the present invention;

[0035] Figure 3 It is a structural schematic diagram of the detection mechanism in the electronic component cold solder joint detection and rejection device of the present invention;

[0036] Figure 4 It is an enlarged schematic diagram of area B of the structural schematic diagram of the detection mechanism in the electronic component cold solder joint detection and rejection device of the present invention;

[0037] Figure 5It is a schematic diagram of the structure of the fixing frame and the connecting seat in the electronic component cold solder joint detection and rejection device of the present invention;

[0038] Figure 6 It is a schematic structural diagram of the arc plate and bolts in the electronic component cold solder joint detection and removal device of the present invention.

[0039] In the figure: 1, bottom plate; 2, detection mechanism; 20, base; 21, bracket; 22, motor; 23, eccentric wheel; 24, baffle; 25, rod body; 26, support plate; 27, fixed frame; 28, slide groove; 29, first spring; 201, slider; 202, groove; 203, movable frame; 204, pull ear; 205, connecting seat; 206, touch switch; 207, connecting block; 208, second spring; 209, block; 210, slide rod; 212, indicator light; 213, through groove; 214, arc plate; 215, bolt; 216, threaded groove; 3, rejection mechanism; 30, empty groove; 31, vertical plate; 32, cylinder; 33, push block; 34, fixed plate; 35, first switch; 36, second switch. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] See also Figure 1-Figure 6 , This embodiment provides a technical solution: an electronic component cold solder joint detection and rejection device, comprising: a base plate 1, a detection mechanism 2 and a rejection mechanism 3;

[0042] First, in order to enable the cylinder 32 to drive the push block 33 to move toward the direction close to the fixed electronic component after being started, so that the push block 33 can remove the poorly soldered part of the electronic component, the removal mechanism 3 includes a vertical plate 31 fixedly connected to the top of the bottom plate 1, a cylinder 32 is fixedly installed on one side of the vertical plate 31, a piston rod of the cylinder 32 is fixedly connected to the push block 33, and the top of the vertical plate 31 is fixedly connected to the support plate 26 through a fixed plate 34; in order to enable the removed part of the electronic component to enter the empty slot 30 for recycling, the removed part of the electronic component can enter the empty slot 30 for recycling; in order to facilitate the control of the operating state of the motor 22 and the cylinder 32, a first switch 35 and a second switch 36 are fixedly installed on one side of the vertical plate 31, respectively, the electric control output end of the first switch 35 is electrically connected to the electric control input end of the motor 22 through a wire, and the electric control output end of the second switch 36 is electrically connected to the electric control input end of the cylinder 32 through a wire;

[0043] Secondly, after the electronic component to be detected is placed in the groove 202, the movable frame 203 can be loosened so that the slide bar 210 can drive the movable frame 203 to be inserted into the groove 202 through the connecting block 207 under the reset action of the second spring 208, so that the electronic component in the groove 202 can be clamped; and when the fixed frame 27 drives the electronic component to shake back and forth, the electronic component with a cold solder joint will become loose, so that the loose side touches the touch switch 206 during the shaking process, and the touch switch 206 can turn on the indicator light 21 2 is started, so that the staff can find the electronic components with poor soldering in time; the detection mechanism 2 includes a slider 201 movably connected to the bottom of the support plate 26 and an indicator light 212 fixedly installed on the top of the support plate 26, the bottom of the slider 201 is fixedly connected to a fixing frame 27, one side of the fixing frame 27 is provided with a groove 202, the outer side of the fixing frame 27 is fixedly connected to a block 209, the inner side of the block 209 is slidably connected to a slide rod 210, one end of the slide rod 210 is fixedly connected to a connecting block 207, and one side of the connecting block 207 is fixedly connected to a movable The movable frame 203 and the slide bar 210 are provided with a second spring 208, and the two ends of the second spring 208 are fixedly connected to the block 209 and the connecting block 207 respectively. A connecting seat 205 is hingedly connected to the side of the fixed frame 27 away from the movable frame 203, and a touch switch 206 is fixedly installed on the connecting seat 205. The electric control output end of the touch switch 206 is electrically connected to the electric control input end of the indicator light 212; in order to make it easier for loose electronic components to touch the button of the touch switch 206, a through groove 213 is opened inside the connecting seat 205, and the touch The switch 206 is fixedly mounted on one side of the connection base 205, and the button of the touch switch 206 passes through the interior of the through slot 213; in order to facilitate the position fixation of the connection base 205 during normal use and when folded, a threaded slot 216 is provided on one side of the connection base 205, and an arc plate 214 is fixedly connected to one side of the fixed frame 27, and two bolts 215 are connected to the internal threads of the arc plate 214; in order to facilitate the pulling of the movable frame 203, a pull ear 204 is fixedly connected to the side of the movable frame 203 away from the fixed frame 27;

[0044] Again, in order to enable the motor 22 to drive the eccentric wheel 23 to continuously squeeze the baffle 24 after starting, so that the baffle 24 can move back and forth with the rotation of the eccentric wheel 23 under the action of the rod body 25 and the first spring 29, and then the slider 201 can drive the electronic component to swing back and forth through the fixed frame 27, the detection mechanism 2 also includes a bracket 21 fixedly connected to the top of the base 20, one side of the bracket 21 is fixedly connected to the support plate 26, and the other side of the bracket 21 is fixedly installed with the motor 22, and the output shaft of the motor 22 is fixedly connected to the eccentric wheel 2 3. The outer side of the eccentric wheel 23 is tightly attached to a baffle plate 24, one side of the baffle plate 24 is fixedly connected to a rod body 25, the rod body 25 is slidably connected to the inside of the support plate 26, one end of the rod body 25 away from the baffle plate 24 is fixedly connected to the slider 201, and the rod body 25 is sleeved with a first spring 29, the two ends of the first spring 29 are respectively fixedly connected to the slider 201 and the support plate 26; in order to enable the slider 201 to move more smoothly at the bottom of the support plate 26, a slide groove 28 is opened at the bottom of the support plate 26, and the inner side wall of the slide groove 28 is slidably connected to the slider 201.

[0045] In addition, this embodiment also provides a method for detecting and removing cold solder joints of electronic components, comprising the following steps:

[0046] Step 1: Pull the movable frame 203 out of the groove 202 through the pull ear 204, then put the welded electronic component into the groove 202, and after loosening the pull ear 204, the slide bar 210 drives the movable frame 203 into the groove 202 through the connecting block 207 under the reset action of the second spring 208, so that one side of the electronic component is clamped by the movable frame 203;

[0047] Step 2: The motor 22 drives the eccentric wheel 23 to rotate, so that the baffle 24 is continuously squeezed by the eccentric wheel 23, and the rod body 25 drives the baffle 24 to reset continuously under the action of the first spring 29, so that the slider 201 drives the electronic component to swing back and forth continuously through the fixed frame 27 under the action of the rod body 25;

[0048] Step 3: The electronic component with a cold solder joint may become loose on the side not fixed by the fixing frame 27 due to the unstable connection. The loosened electronic component may come into contact with the touch switch 206 during the movement. When the touch switch 206 is touched, the indicator light 212 is activated, so that the inspection personnel can find the electronic component with a cold solder joint in time.

[0049] Step 4: Turn off the motor 22 through the first switch 35, then screw one of the bolts 215 out of the thread groove 216, and then rotate the connecting base 205 so that the connecting base 205 drives the touch switch 206 to move to a position perpendicular to the fixing frame 27, and screw another corresponding bolt 215 into the thread groove 216, so that the position of the connecting base 205 after rotation is fixed;

[0050] Step 5, start the cylinder 32 through the second switch 36, and the cylinder 32 drives the push block 33 to move towards the direction close to the electronic components, so that the electronic components with cold solder joints are disconnected under the thrust of the push block 33, and the electronic components on one side that have been removed enter the empty slot 30 for recycling, so as to facilitate welding processing again.

[0051] It should be noted that in step 2, when the electronic component is driven by the fixing frame 27 to rock back and forth, it will not come into contact with the push block 33 and the base 20 .

[0052] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electronic component cold solder joint detection and rejection device, characterized in that: include: A bottom plate (1), a detection mechanism (2) and a rejection mechanism (3); The rejection mechanism (3) comprises a vertical plate (31) fixedly connected to the top of the bottom plate (1), a cylinder (32) is fixedly installed on one side of the vertical plate (31), a piston rod of the cylinder (32) is fixedly connected to a push block (33), and the top of the vertical plate (31) is fixedly connected to a support plate (26) via a fixing plate (34); The detection mechanism (2) comprises a slider (201) movably connected to the bottom of a support plate (26) and an indicator light (212) fixedly mounted on the top of the support plate (26); the bottom of the slider (201) is fixedly connected to a fixing frame (27); one side of the fixing frame (27) is provided with a groove (202); the outer side of the fixing frame (27) is fixedly connected to a block (209); the interior of the block (209) is slidably connected to a slide rod (210); one end of the slide rod (210) is fixedly connected to a connecting block (207); A movable frame (203) is fixedly connected to one side of the connecting block (207); a second spring (208) is mounted on the sliding rod (210); two ends of the second spring (208) are respectively fixedly connected to the block body (209) and the connecting block (207); a connecting seat (205) is hingedly connected to one side of the fixed frame (27) away from the movable frame (203); a touch switch (206) is fixedly mounted on the connecting seat (205); and an electric control output end of the touch switch (206) is electrically connected to an electric control input end of an indicator light (212).

2. The electronic component cold solder joint detection and rejection device according to claim 1, characterized in that: The rejection mechanism (3) further comprises a base (20) fixedly connected to the top of the bottom plate (1), and a hollow groove (30) is provided on one side of the base (20).

3. The electronic component cold solder joint detection and removal device according to claim 2, characterized in that: The detection mechanism (2) further comprises a bracket (21) fixedly connected to the top of the base (20), one side of the bracket (21) being fixedly connected to the support plate (26), the other side of the bracket (21) being fixedly mounted with a motor (22), the output shaft of the motor (22) being fixedly connected to an eccentric wheel (23), the outer side of the eccentric wheel (23) being tightly attached to a baffle plate (24), one side of the baffle plate (24) being fixedly connected to a rod body (25), the rod body (25) being slidably connected to the inside of the support plate (26), one end of the rod body (25) away from the baffle plate (24) being fixedly connected to a slider (201), the rod body (25) being sleeved with a first spring (29), the two ends of the first spring (29) being fixedly connected to the slider (201) and the support plate (26) respectively.

4. The electronic component cold solder joint detection and rejection device according to claim 3, characterized in that: A sliding groove (28) is provided at the bottom of the support plate (26), and the inner side wall of the sliding groove (28) is slidably connected to the sliding block (201).

5. The electronic component cold solder joint detection and rejection device according to claim 1, characterized in that: A through slot (213) is provided inside the connection base (205), the touch switch (206) is fixedly mounted on one side of the connection base (205), and a button of the touch switch (206) passes through the inside of the through slot (213).

6. The electronic component cold solder joint detection and rejection device according to claim 5, characterized in that: A thread groove (216) is provided on one side of the connection seat (205), an arc-shaped plate (214) is fixedly connected to one side of the fixing frame (27), and two bolts (215) are connected to the inner threads of the arc-shaped plate (214).

7. The electronic component cold solder joint detection and rejection device according to claim 1, characterized in that: A pull ear (204) is fixedly connected to a side of the movable frame (203) away from the fixed frame (27).

8. The electronic component cold solder joint detection and rejection device according to claim 3, characterized in that: A first switch (35) and a second switch (36) are fixedly mounted on one side of the vertical plate (31), respectively; an electric control output end of the first switch (35) is electrically connected to an electric control input end of the motor (22) via a wire, and an electric control output end of the second switch (36) is electrically connected to an electric control input end of the cylinder (32) via a wire.

9. A method for detecting and removing cold solder joints of electronic components, characterized in that: The following steps are involved: Step 1: Pull the movable frame (203) out of the groove (202) through the pull ear (204), then put the welded electronic component into the groove (202), and after loosening the pull ear (204), the slide bar (210) drives the movable frame (203) into the groove (202) through the connecting block (207) under the reset action of the second spring (208), so that one side of the electronic component is clamped by the movable frame (203); Step 2: The motor (22) drives the eccentric wheel (23) to rotate, so that the baffle (24) is continuously squeezed by the eccentric wheel (23), and the rod body (25) drives the baffle (24) to be reset continuously under the action of the first spring (29), so that the slider (201) drives the electronic component to swing back and forth continuously through the fixed frame (27) under the action of the rod body (25); Step 3: Since the electronic component with a cold solder joint is not firmly connected, the side of the electronic component that is not fixed by the fixing frame (27) may become loose. The loosened electronic component may come into contact with the touch switch (206) during movement. When the touch switch (206) is touched, the indicator light (212) is activated, so that the inspection personnel can find the electronic component with a cold solder joint in time. Step 4: Turn off the motor (22) through the first switch (35), then screw one of the bolts (215) out of the thread groove (216), and then rotate the connecting seat (25) so that the connecting seat (25) drives the touch switch (206) to move to a position perpendicular to the fixing frame (27), and screw another corresponding bolt (215) into the thread groove (216) so that the position of the connecting seat (25) after rotation is fixed; Step 5: The air cylinder (32) is activated by the second switch (36), and the air cylinder (32) drives the push block (33) to move in a direction close to the electronic component, so that the electronic component with a cold solder joint is disconnected under the thrust of the push block (33), and the electronic component on one side that has been removed enters the empty slot (30) for recovery, so as to facilitate welding processing again.

10. The method for detecting and removing cold solder joints of electronic components according to claim 9, characterized in that: In step 2, when the electronic component is driven by the fixing frame (27) to rock back and forth, it will not come into contact with the push block (33) and the base (20).