Capacitor pin tinning device in front of PCB (printed circuit board) plug-in

Abstract

The utility model relates to a capacitor pin tin dipping device before PCB plug-in, which comprises a machine platform, a feeding assembly, a tin bath, a discharging assembly and a material moving assembly, the machine platform is provided with a machine platform surface, the feeding assembly, the tin bath and the discharging assembly are all installed on the machine platform surface, and the material moving assembly comprises a first driving part, a grabbing plate, a second driving part and a third driving part. A groove is formed in the bottom of the grabbing plate, a material returning groove is formed in the top of the grabbing plate, the output end of the first driving part is connected with the grabbing plate, the output end of the second driving part can sequentially penetrate through the material returning groove and the groove, the third driving part is installed on the machine table top, and the output end of the third driving part is connected with the first driving part. The first driving part drives the grabbing plate to move downwards until the PCB plug-in on the feeding assembly is clamped and embedded in the groove, so that grabbing work is completed, under driving of the third driving part, pins of the PCB plug-in are dipped in tin liquid in the tin bath, and the PCB plug-in can be ejected out of the groove through the second driving part and finally fall onto the discharging assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit manufacturing equipment, in particular to a capacitor pin tinning device before a PCB plug-in. Background Art

[0002] Before PCB is plugged in, it needs to be tinned (with flux first). A tinning device can be used to replace manual labor and improve production efficiency.

[0003] For example, the utility model patent with application number CN202120320236.9 proposes a tinning fixture for the pins of a plug-in metal package product, in which the assembled fixture is connected to the fixture fixing device of the tinning machine through a cantilever connector, and the metal package product to be tinned is placed in the product fixing position by utilizing the magnetic attraction of the magnet for magnetic fixation.

[0004] However, the magnet will magnetize the PCB, which may cause damage to the PCB board plug-in. Utility Model Content

[0005] In view of this, it is necessary to provide a capacitor pin tinning device before the PCB plug-in to solve the problem that the existing magnetic tinning fixture cannot be applied to the PCB plug-in.

[0006] The utility model provides a capacitor pin tinning device before a PCB plug-in, comprising a machine platform, a feed component, a tin bath, a discharging component and a moving component, wherein the machine platform has a machine platform surface, the feed component, the tin bath and the discharging component are all mounted on the machine platform surface, the moving component comprises a first driving member, a grab plate, a second driving member and a third driving member, the bottom of the grab plate is formed with a groove which can be connected with a PCB plug-in by interference fit, the top of the grab plate is formed with a material withdrawal groove connected to the groove, the output end of the first driving member is connected with the grab plate, and is used to drive the grab plate to move to a position where the PCB plug-in is inserted into the groove, the output end of the second driving member can pass through the material withdrawal groove and the groove in sequence, and is used to eject the PCB plug-in embedded in the groove, the third driving member is mounted on the machine platform surface, and the output end is connected with the first driving member, and is used to drive the grab plate to move back and forth between the feed component, the tin bath and the discharging component.

[0007] Furthermore, the first driving member and the second driving member are both cylinders, and the material moving assembly also includes a material stripping plate, and the material stripping plate can pass through the material stripping groove and the groove.

[0008] Furthermore, the third driving member includes a skateboard, a driving conveyor belt, a chuck, a drag chain, a guide column and a triangular plate. The guide column is fixedly arranged on the machine table, the skateboard is slidably connected to the guide column, the driving conveyor belt is installed on the machine table, the skateboard is connected to the driving conveyor belt via the chuck, the two ends of one end of the drag chain are respectively connected to the skateboard and the machine table, and the first driving member is fixedly connected to the skateboard via the triangular plate.

[0009] Furthermore, the feed assembly includes two feed support frames arranged opposite to each other and a feed conveyor belt arranged between the feed support frames, and the tops of the two feed support frames are formed with accommodating grooves for the pins of the PCB plug-in to pass through.

[0010] Furthermore, it also includes a flux tank and a temporary storage rack, and the feed assembly, flux tank, temporary storage rack, tin tank and discharge assembly are arranged in sequence along the sliding direction of the gripping plate.

[0011] Furthermore, there are two material moving components, one of which is disposed between the material feeding component and the temporary storage rack, and the other material moving component is disposed between the temporary storage rack and the material discharging component.

[0012] Furthermore, the temporary storage rack and the discharge assembly are both provided with receiving grooves for the pins of the PCB plug-in to pass through.

[0013] Furthermore, it also includes an inclined plate and a tin slag trough, one side of the inclined plate is connected to the edge of the top of the tin trough, and the other side of the inclined plate extends downwardly at an angle to the upper position of the tin slag trough.

[0014] Furthermore, it also includes a tin-pulling component, which has a tin-pulling end for scraping the tin slag on the surface of the tin tank into the upper tin slag tank.

[0015] Furthermore, the tin pulling assembly includes a fourth driving member, a fifth driving member and a scraper. The fourth driving member is installed on the machine table, and its output end is connected to the fifth driving member to drive the fifth driving member to move in a vertical direction. The output end of the fifth driving member is connected to the scraper to drive the scraper to move in a direction close to or away from the tin bath.

[0016] Compared with the prior art, the grab plate is driven by the third driving member to move to a position facing the feed assembly, and the first driving member drives the grab plate to move downward until the PCB plug-in on the feed assembly is embedded in the groove, thereby completing the grabbing work. Driven by the third driving member, the pins of the PCB plug-in dip into the tin liquid in the tin bath and move to a position facing the discharge assembly. The PCB plug-in can be pushed out of the groove by the second driving member and finally falls on the discharge assembly, thereby completing the entire tinning process. The grabbing method has no effect on the PCB plug-in. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of one of the overall viewing angles of the capacitor pin tinning device in front of a PCB plug-in provided by an embodiment of the utility model;

[0018] Figure 2 A schematic structural diagram of another perspective of the overall capacitor pin tinning device in front of a PCB plug-in provided by an embodiment of the utility model;

[0019] Figure 3 A schematic diagram of the structure of a material moving component in a capacitor pin tinning device before a PCB plug-in provided by an embodiment of the utility model;

[0020] Figure 4 The capacitor pin tinning device before the PCB plug-in provided by the embodiment of the utility model Figure 2 The enlarged schematic diagram of the middle A part;

[0021] Figure 5 The capacitor pin tinning device before the PCB plug-in provided by the embodiment of the utility model Figure 2 The enlarged schematic diagram of the middle part B;

[0022] Figure 6 A schematic structural diagram of a tin-pulling assembly in a capacitor pin tinning device before a PCB plug-in provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present application and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0024] like Figure 1-4As shown, the utility model provides a capacitor pin tinning device before a PCB plug-in, comprising a machine table 100, a feed assembly 200, a tin bath 300, a discharge assembly 400 and a material moving assembly 500, the machine table 100 having a machine table surface, the feed assembly 200, the tin bath 300 and the discharge assembly 400 are all mounted on the machine table surface, the material moving assembly 500 comprises a first driving member 510, a gripping plate 520, a second driving member 530 and a third driving member 540, the bottom of the gripping plate 520 is formed with a groove 521 which can be connected with the PCB plug-in by interference fit, the gripping plate 520 A material return groove 522 connected to the groove 521 is formed on the top, the output end of the first driving member 510 is connected to the grab plate 520, so as to drive the grab plate 520 to move to the position where the PCB plug-in is inserted into the groove 521, the output end of the second driving member 530 can pass through the material return groove 522 and the groove 521 in sequence, so as to eject the PCB plug-in embedded in the groove 521, the third driving member 540 is installed on the machine table, and the output end is connected to the first driving member 510, so as to drive the grab plate 520 to move back and forth between the feeding component 200, the tin bath 300 and the discharging component 400.

[0025] During implementation, the grab plate 520 is driven by the third driving member 540 to move to a position facing the feed component 200, and the first driving member 510 drives the grab plate 520 to move downward until the PCB plug-in on the feed component 200 is embedded in the groove 521, thereby completing the grabbing work. Driven by the third driving member 540, the pins of the PCB plug-in dip into the tin liquid in the tin bath 300 and move to a position facing the discharge component 400. The PCB plug-in can be pushed out of the groove 521 by the second driving member 530 and finally falls on the discharge component 400, thereby completing the entire tinning process. The grabbing method has no effect on the PCB plug-in.

[0026] The machine table surface of the machine table 100 in this embodiment is a plane for carrying, and the feed assembly 200, the tin bath 300, the discharge assembly 400 and the transfer assembly 500 can be placed thereon.

[0027] like Figure 5 As shown, the feed assembly 200 in this embodiment includes two feed support frames 210 arranged opposite to each other and a feed conveyor belt 220 arranged between the feed support frames 210. The tops of the two feed support frames 210 are formed with receiving grooves 230 for the pins of the PCB plug-in to pass through. As the feed conveyor belt 220 is conveyed, the PCB plug-in moves accordingly, and at the same time, the receiving grooves 230 arranged on the feed support frames 210 can allow the pins of the PCB plug-in to pass through.

[0028] In this embodiment, the material moving component 500 is a structure for grabbing and driving the PCB plug-in to move. The material moving component 500 includes a first driving member 510, a grab plate 520, a second driving member 530 and a third driving member 540. The bottom of the grab plate 520 is formed with a groove 521 that can be connected to the PCB plug-in by interference fit, and the top of the grab plate 520 is formed with a return groove 522 connected to the groove 521. The output end of the first driving member 510 is connected to the grab plate 520 to drive the grab plate 520 to move to a position where the PCB plug-in is inserted into the groove 521. The output end of the second driving member 530 can pass through the return groove 522 and the groove 521 in turn to eject the PCB plug-in embedded in the groove 521. The third driving member 540 is installed on the machine table, and the output end is connected to the first driving member 510 to drive the grab plate 520 to move back and forth between the feeding component 200, the tin bath 300 and the discharging component 400.

[0029] In one embodiment, the first driving member 510 and the second driving member 530 are both cylinders, and the material moving assembly 500 further includes a material stripping plate 531 , which can be disposed through the material stripping groove 522 and the recess 521 .

[0030] Of course, the first driving member 510 and the second driving member 530 can also be driven by other forms of structures such as cylinders or linear motors, as long as they can drive the grab plate 520 and the stripping plate 531 to move in a linear direction.

[0031] In one embodiment, the third driving member 540 includes a slide plate 541, a driving conveyor belt 542, a clamp 543, a drag chain 544, a guide column 545 and a triangular plate 546. The guide column 545 is fixedly arranged on the machine table, the slide plate 541 is slidably connected to the guide column 545, the driving conveyor belt 542 is installed on the machine table, the slide plate 541 is connected to the driving conveyor belt 542 via the clamp 543, the two ends of one end of the drag chain 544 are respectively connected to the slide plate 541 and the machine table, and the first driving member 510 is fixedly connected to the slide plate 541 via the triangular plate 546. The rotation of the driving conveyor belt 542 can drive the slide plate 541 to move along the transmission direction of the driving conveyor belt 542.

[0032] It is understandable that the third driving member 540 may also be implemented by a structure such as a pneumatic cylinder, an oil cylinder or a linear motor.

[0033] Before tinning, the pins of the PCB plug-in need to be subjected to a soldering flux sticking operation. For this purpose, the tinning device in this embodiment further includes a soldering flux tank 600 and a temporary storage rack 700. The feed assembly 200, the soldering flux tank 600, the temporary storage rack 700, the soldering trough 300 and the discharge assembly 400 are sequentially arranged along the sliding direction of the gripping plate 520. The soldering flux is stored in the soldering flux tank 600.

[0034] To improve production efficiency, in one embodiment, the number of material moving components 500 is two, one material moving component 500 is arranged between the feed component 200 and the temporary storage rack 700, and the other material moving component 500 is arranged between the temporary storage rack 700 and the discharge component 400.

[0035] One of the material moving components 500 is responsible for moving the PCB plug-in on the feeding component 200 to a position facing the flux tank 600, and inserting the pins of the PCB plug-in into the flux tank 600 filled with flux to pick up the flux, and finally placing the PCB plug-in with the flux on the temporary storage rack 700, and the other material moving component 500 is responsible for moving the PCB plug-in on the temporary storage clip to a position facing the tin tank 300, and inserting the pins of the PCB plug-in into the tin tank 300 filled with tin liquid to pick up the tin, and finally placing the tinned PCB plug-in on the discharging component 400.

[0036] In one embodiment, both the temporary storage rack 700 and the discharge assembly 400 are provided with receiving grooves 230 for the pins of the PCB plug-in to pass through.

[0037] like Figure 6 As shown, in one embodiment, it also includes an inclined plate 310 and a tin slag trough 810 , one side of the inclined plate 310 is connected to the edge of the top of the tin trough 300 , and the other side of the inclined plate 310 extends downwardly at an angle to the upper position of the tin slag trough 810 .

[0038] The present embodiment further includes a tin extractor assembly 800 . The tin extractor assembly 800 has a tin extractor end for scraping the tin slag on the surface of the tin bath 300 into the upper tin slag bath 810 .

[0039] In one embodiment, the tin pulling assembly 800 includes a fourth driving member 820, a fifth driving member 830 and a scraper 840. The fourth driving member 820 is installed on the machine table, and its output end is connected to the fifth driving member 830 to drive the fifth driving member 830 to move in a vertical direction. The output end of the fifth driving member 830 is connected to the scraper 840 to drive the scraper 840 to move in a direction close to or away from the tin bath 300.

[0040] It is understandable that the fourth driving member 820 and the fifth driving member 830 can be implemented by using structures such as a cylinder, an oil cylinder or a linear motor.

[0041] Compared with the prior art: the grab plate 520 is driven by the third driving member 540 to move to a position facing the feed component 200, and the first driving member 510 drives the grab plate 520 to move downward until the PCB plug-in on the feed component 200 is embedded in the groove 521, thereby completing the grabbing work. Driven by the third driving member 540, the pins of the PCB plug-in dip into the tin liquid in the tin bath 300 and move to a position facing the discharge component 400. The PCB plug-in can be pushed out of the groove 521 by the second driving member 530, and finally falls on the discharge component 400, thereby completing the entire tinning process, and the grabbing method has no effect on the PCB plug-in.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A device for tinning capacitor pins before PCB plug-in, characterized in that: include: A machine platform, which has a machine platform surface; The feeding assembly, the tin bath and the discharging assembly are all installed on the machine table; A material moving assembly comprises a first driving member, a grab plate, a second driving member and a third driving member. A groove which can be connected to a PCB plug-in by interference fit is formed at the bottom of the grab plate, and a material withdrawal groove connected to the groove is formed at the top of the grab plate. The output end of the first driving member is connected to the grab plate to drive the grab plate to move to a position where the PCB plug-in is inserted into the groove. The output end of the second driving member can pass through the material withdrawal groove and the groove in sequence to eject the PCB plug-in embedded in the groove. The third driving member is installed on the machine table, and the output end is connected to the first driving member to drive the grab plate to move back and forth between the feeding assembly, the tin bath and the discharging assembly.

2. The capacitor pin tinning device before PCB plug-in according to claim 1 is characterized in that: The first driving member and the second driving member are both cylinders, and the material moving assembly further comprises a material stripping plate, and the material stripping plate can pass through the material stripping groove and the groove.

3. The capacitor pin tinning device before PCB plug-in according to claim 1, characterized in that: The third driving member includes a slide plate, a driving conveyor belt, a chuck, a drag chain, a guide column and a triangular plate. The guide column is fixed on the machine table. The slide plate is slidably connected to the guide column. The driving conveyor belt is installed on the machine table. The slide plate is connected to the driving conveyor belt via the chuck. Both ends of one end of the drag chain are respectively connected to the slide plate and the machine table. The first driving member is fixedly connected to the slide plate via the triangular plate.

4. The capacitor pin tinning device before PCB plug-in according to claim 1, characterized in that: The feed assembly comprises two feed support frames arranged opposite to each other and a feed conveyor belt arranged between the feed support frames. The tops of the two feed support frames are both formed with receiving grooves for the pins of the PCB plug-in to pass through.

5. The capacitor pin tinning device before PCB plug-in according to claim 1, characterized in that: It also includes a flux tank and a temporary storage rack. The feed assembly, the flux tank, the temporary storage rack, the tin tank and the discharge assembly are arranged in sequence along the sliding direction of the grab plate.

6. The capacitor pin tinning device before PCB plug-in according to claim 5, characterized in that: There are two material moving components, one of which is arranged between the material feeding component and the temporary storage rack, and the other material moving component is arranged between the temporary storage rack and the material discharging component.

7. The capacitor pin tinning device before PCB plug-in according to claim 6, characterized in that: The temporary storage rack and the material discharging assembly are both provided with receiving grooves for the pins of the PCB plug-in to pass through.

8. The capacitor pin tinning device before PCB plug-in according to claim 5, characterized in that: It also includes an inclined plate and a tin slag trough, wherein one side of the inclined plate is connected to the edge of the top of the tin trough, and the other side of the inclined plate extends downwardly at an angle to the upper position of the tin slag trough.

9. The capacitor pin tinning device before PCB plug-in according to claim 8, characterized in that: It also includes a tin-pulling component, which has a tin-pulling end for scraping the tin slag on the surface of the tin tank into the upper tin slag tank.

10. The capacitor pin tinning device before PCB plug-in according to claim 9, characterized in that: The tin pulling assembly includes a fourth driving member, a fifth driving member and a scraper. The fourth driving member is installed on the machine table, and its output end is connected to the fifth driving member to drive the fifth driving member to move in a vertical direction. The output end of the fifth driving member is connected to the scraper to drive the scraper to move in a direction close to or away from the tin bath.

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