Capacitor carrying device and circuit board production line

Abstract

The utility model discloses a capacitor carrying device and a circuit board production line, and the capacitor carrying device comprises a mounting plate which is provided with a chute; the first bracket and the second bracket are fixedly mounted on the upper side of the mounting plate; a precision buffer is slidably mounted on the second bracket; the baffle is located on the side, away from the precise buffer, of the upper end of the first support. The spring fixing base is located on the side, close to the precise buffer, of the first support. The inner side of the upper clamping and loosening pulling plate is fixedly connected with a precise buffer, a spring is connected with the spring fixing seat and the upper clamping and loosening pulling plate, and the upper clamping and loosening pulling plate penetrates through a sliding groove in the mounting plate; a lower clamping and loosening pulling plate is mounted on the lower side of the mounting plate and intermittently pushes the upper clamping and loosening pulling plate to move towards the side away from the carrying tray; an ejector pin is installed on the side, close to the first support, of the precision buffer. The problems of capacitor position movement and capacitor damage caused by too large clamping force in the square capacitor carrying process are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board assembly, in particular to a capacitor transport device and a circuit board production line. Background Art

[0002] The statements herein merely provide background art related to the present invention and do not necessarily constitute prior art.

[0003] In the manufacturing process of electronic products on circuit boards, welding capacitor components is an indispensable link. Before welding, it is necessary to fix the position of the capacitor and the welding tool in advance, and then transport it to the welding device for welding. However, since the capacitor is small and easy to slide, appropriate force needs to be applied to the capacitor during transportation to prevent the capacitor from shifting. In the production line of the prior art, square capacitors are often used to facilitate clamping and fixing. For square capacitors, existing capacitor handling devices usually use clamps to fix the capacitors, and the force of these clamps often comes from motors or cylinders, which directly apply horizontal force to the capacitor. Since the motor or cylinder often directly applies force instantly, the force directly applied by the motor or cylinder is large, or abnormal jamming and other phenomena may occur during the transportation of the capacitor, causing the capacitor to be subjected to an instantaneous increase in force, which can easily cause damage to the capacitor. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the embodiments of the utility model is to provide a capacitor handling device and a circuit board production line to solve the problem that square capacitors are easily damaged during handling.

[0005] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0006] A capacitor transport device, comprising:

[0007] A mounting plate, wherein a slide groove is provided on the mounting plate;

[0008] The bracket includes a first bracket and a second bracket, and the bracket is fixedly mounted on the upper side of the mounting plate;

[0009] The clamping mechanism comprises an upper clamping and releasing pull plate, a lower clamping and releasing pull plate, a spring, and a precision buffer;

[0010] A precision buffer is slidably mounted on the second bracket;

[0011] A baffle is disposed at the upper end of the first bracket, and the baffle is located on a side of the first bracket away from the precision buffer. The first bracket is also connected to a spring fixing seat, and the spring fixing seat is located on a side of the first bracket close to the precision buffer;

[0012] The inner side of the upper clamping and releasing pull plate is fixedly connected to the precision buffer, the spring is connected to the spring fixing seat and the upper clamping and releasing pull plate, and the upper clamping and releasing pull plate passes through the slide groove on the mounting plate;

[0013] A lower clamping and releasing pull plate is installed on the lower side of the installation plate, and the lower clamping and releasing pull plate intermittently pushes the upper clamping and releasing pull plate to move to a side away from the transport pallet;

[0014] A ejector pin is installed on one side of the precision buffer close to the first bracket. When the spring is in a natural state, the distance between the free end of the ejector pin and the baffle is smaller than the width of the capacitor.

[0015] Since capacitor components need to be welded when assembling circuit boards, the utility model aims at the problem that square capacitors are easily damaged by force during transportation. The utility model provides a capacitor transportation device, which drives the upper clamping and releasing pull plate through the lower clamping and releasing pull plate, and drives the upper clamping and releasing pull plate to move linearly in the slide groove of the mounting plate toward one side of the first bracket, stretching the spring, and driving the connected precision buffer to move at the same time, so that the ejector pin of the precision buffer moves backward, and the clamping mechanism is in an open state. At this time, the manipulator places the capacitor at a specific position on the transport pallet. The lower clamping and releasing pull plate is separated from the upper clamping and releasing pull plate, and the upper clamping and releasing pull plate drives the precision buffer and the ejector pin to move toward the capacitor under the action of the spring contraction force. When the ejector pin contacts the capacitor, the precision buffer absorbs the force of the rapid impact, thereby alleviating the impact of the ejector pin of the clamping mechanism on the capacitor due to the rapid movement, preventing damage to the capacitor, and then slowly recovers to clamp the capacitor.

[0016] In some embodiments, a driving mechanism is disposed on the lower side of the mounting plate, including a rotary electric cylinder, which provides driving force for the lower clamping and releasing pull plate.

[0017] In some embodiments, the lower clamping and releasing plate is a cam structure having a cam, and when the cam rotates to the upward position of the cam, the lower clamping and releasing plate contacts the upper clamping and releasing plate, pushing the upper clamping and releasing plate to move to the side away from the transport pallet.

[0018] In some embodiments, a transport tray is provided inside the first bracket baffle for placing capacitors.

[0019] In some embodiments, the precision buffer and the upper clamping and releasing pull plate are connected by a connecting member.

[0020] In some embodiments, the free end of the ejector pin is an arc-shaped structure. In the actual implementation of the present invention, the head structure of the free end of the ejector pin has been designed to be an arc head, a pointed head, and a flat head. However, the pointed head is easy to damage the capacitor A, and the flat head is easy to slide when the capacitor is carried, so the arc-shaped structure is selected.

[0021] In some embodiments, the spring fixing seat is a cylindrical structure and is arranged parallel to the first bracket.

[0022] In some embodiments, the spring fixing seat is mounted on the first bracket by screws.

[0023] In some embodiments, the baffle is integrally formed with the first bracket.

[0024] In some embodiments, the lower end of the upper clamping and releasing pull plate extends out of the mounting plate through a sliding groove.

[0025] In some embodiments, the width of the slide groove is greater than the width of the upper clamping and releasing pull plate, and the length of the slide groove is less than the distance between the upper clamping and releasing pull plate and the first bracket.

[0026] In some embodiments, the rotary electric cylinder is connected to the lower clamping and releasing pull plate via a rotating shaft, and is fixedly connected to the mounting plate via a bracket.

[0027] The embodiment of the utility model further provides a circuit board production line, comprising the capacitor transporting device mentioned above.

[0028] In some embodiments, the capacitor handling device is disposed between the capacitor supply grabbing structure and the welding device.

[0029] One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects or advantages:

[0030] 1. The utility model intermittently pushes the upper clamping and releasing pull plate through the lower clamping and releasing pull plate, so that the clamping mechanism is constantly in an open and clamping state, and applies a restoring force to the ejector pin through the spring to restore the clamping state. The addition of a precision buffer can absorb the impact force of the ejector pin on the capacitor due to the rapid movement, prevent the ejector pin from impacting the capacitor due to the rapid movement, and prevent damage to the capacitor. The slowly applied force is also conducive to the stable support of the capacitor.

[0031] 2. The utility model optimizes and controls the clamping pressure and the capacitor contact structure to ensure that the capacitor is not damaged during the clamping and transportation process while meeting the requirements. During the actual debugging process, the problem of unstable clamping during transportation due to increased rhythm was encountered. Finally, the above problem was solved through the technical solution of this application, and the moving speed was optimized at the same time, and the rhythm of this link was controlled to about 11 seconds. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings in the specification, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0033] Figure 1 It is a structural schematic diagram of a capacitor transport device provided by an embodiment of the utility model;

[0034] Figure 2 It is a schematic diagram of the structural coordination of the capacitor handling device in different states provided by an embodiment of the utility model;

[0035] Among them, (a) is the state when the cam is in contact with the upper clamping and releasing pull plate, and (b) is the state when the cam is separated from the upper clamping and releasing pull plate;

[0036] Figure 3 It is a schematic diagram of the coordination between the ejector pin and the capacitor in different states of the capacitor handling device provided by the embodiment of the utility model;

[0037] Among them, (a) is the ejector open state, (b) is the ejector pressed state;

[0038] Figure 4 It is a schematic diagram of the connection relationship between the precision buffer and the connector of the capacitor handling device provided by the embodiment of the utility model;

[0039] Figure 5 It is a schematic diagram of the ejector structure and an enlarged diagram of the ejector end provided by an embodiment of the utility model;

[0040] Figure 6 It is a schematic diagram of the structure of a circuit board production line provided by an embodiment of the utility model;

[0041] In the figure: 1. mounting plate; 2. spring; 3. upper clamping and releasing plate; 4. connecting piece; 5. ejector pin; 6. precision buffer; 7. spring mounting seat; 8. capacitor; 9. first bracket; 10. second bracket; 11. baffle; 12. slide; 13. transport pallet; 14. lower clamping and releasing plate; 15. rotating motor; 16. cam; 17. capacitor feeding and grabbing structure; 18. pallet transport structure; 19. welding device; 20. workpiece; 21. tighten the screws.

[0042] In order to show the positions of various parts, the distances or sizes between them are exaggerated and the schematic diagram is for reference only. DETAILED DESCRIPTION

[0043] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanation of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs.

[0044] As introduced in the background technology, in the prior art, capacitors are easily damaged when subjected to large forces during transportation. In order to solve the above technical problems, the utility model proposes a capacitor transportation device and a circuit board production line.

[0045] The use scenario of the structure of the utility model is: after taking the capacitor, it needs to be fixed on the workpiece to prevent movement, and then the workpiece and the capacitor are transported to the designated location for welding. During the transportation process, it is difficult to solve the problem of the movement of the capacitor position during transportation. Since the capacitor is small in size and easy to damage, if the clamping force is deliberately increased, it may cause damage to the capacitor. Therefore, the clamping buffer method provided by the utility model can effectively solve this problem, especially for square capacitors. The utility model also updates the structural design of the ejector head, which can clamp the capacitor and prevent the capacitor from moving.

[0046] like Figure 1 As shown, one embodiment of the utility model records a capacitor handling device, including a mounting plate 1, the mounting plate 1 has a slide groove 12, and a bracket is fixedly installed on the mounting plate 1, including a first bracket 9 and a second bracket 10. The above brackets are connected to the mounting plate 1 by screws and are installed on the upper side of the mounting plate 1.

[0047] The first bracket 9 is arranged on the short side of the slide groove 12, and a baffle 11 is arranged on the upper end. The baffle 11 and the first bracket 9 are arranged as a whole. A transport pallet 13 is installed on the inner side of the baffle 11, and a spring mounting seat 7 is installed on the lower pallet. The spring mounting seat 7 is a cylindrical structure and is arranged parallel to the first bracket 9. The spring mounting seat 7 is fixed to the inner side of the first bracket 9 by screws.

[0048] The second bracket 10 is perpendicular to the first bracket 9, and the second bracket 10 is fixed to the side of the slide slot 12 of the mounting plate 1 by screws. A slide rail is installed on the upper end of the second bracket 10, and the connecting member 4 of the precision buffer 6 is installed on the upper part of the second bracket 10 through the slide rail. The above-mentioned precision buffer 6 requires a small and stable pressure of about 1-1.5N.

[0049] The selection of the precision buffer 6 is a conventional selection, and it only needs to meet the above conditions. In this embodiment, the precision buffer of Xikaili (China) Co., Ltd. is selected, and the model is FBU2-12DH10-FL464634. The buffer can continuously provide 1N of buffering pressure.

[0050] One end of the connecting member 4 is connected to the upper end of the upper clamping and releasing pull plate 3. A through hole is provided in the connecting member 4, which passes through both ends of the connecting member 4. The through hole accommodates the precision buffer 6 and is fixedly connected to the precision buffer 6 by tightening the screw 21. The end of the precision buffer 6 close to the first bracket 9 is fixedly connected to the ejector pin 5. The upper clamping and releasing pull plate 3 is vertically arranged with the connecting member 4, and passes through the mounting plate 1 through the slide groove 12, and the lower end of the upper clamping and releasing pull plate 3 extends out of the mounting plate 1. The width of the slide groove 12 is greater than the width of the upper clamping and releasing pull plate 3, so that the upper clamping and releasing pull plate 3 can slide freely in the slide groove 12.

[0051] The spring mounting seat 7 and the upper clamping and releasing pull plate 3 are connected by the spring 2. When the spring 2 is in a natural state, the distance between the free end of the ejector pin 5 and the baffle 11 is smaller than the width of the capacitor 8. Thus, the spring 2 has a restoring force, driving the ejector pin 5 to approach the baffle 11 and the capacitor, thereby clamping the capacitor 8.

[0052] The free end of the ejector pin 5 is configured to be in an arc shape, which can better fix the square capacitor and reduce damage to the capacitor 8 .

[0053] A bracket is installed on the lower side of the mounting plate 1, and a rotating motor 15 is fixedly installed on the bracket. The rotating motor 15 is connected to a lower clamping and releasing pull plate 14 through a rotating shaft. The lower clamping and releasing pull plate 14 is a cam structure with a convex angle. The rotating motor 15 provides a driving force to rotate the cam. The cam is arranged at the lower part of the slide groove 12 of the mounting plate 1, and is in intermittent contact with the upper clamping and releasing pull plate 3. As the cam rotates, when the convex angle contacts the upper clamping and releasing pull plate 3, the upper clamping and releasing pull plate 3 is pushed to move linearly in the slide groove 12 in a direction away from the first bracket 9, thereby opening the clamping structure.

[0054] The cam continues to rotate, and the convex corner is separated from the upper clamping and releasing pull plate 3. The upper clamping and releasing pull plate 3 moves in the opposite direction in the slide groove 12 under the action of the spring tension, driving the ejector pin 5 to move backward, so that the clamping structure is clamped.

[0055] The action sequence of the above structure is:

[0056] When releasing, the rotating motor 15 drives the convex corner of the lower clamping and releasing pull plate 14 to push the upper clamping and releasing pull plate 3 to move along the slide groove 12, so that the upper clamping and releasing pull plate 3 moves backward, and the connecting part 4 and ejector pin 5 connected thereto move backward accordingly. At this time, the spring 2 is in a stretched state and the ejector pin 5 is in an open state.

[0057] When clamping, the convex corner of the lower clamping and releasing plate 14 leaves the upper clamping and releasing plate 3, the external force on the upper clamping and releasing plate 3 is cancelled, and the upper clamping and releasing plate 3 moves forward under the action of the spring 2. When the ejector pin 5 contacts the capacitor 8, the precision buffer 6 absorbs the force of the rapid impact to prevent the ejector pin 5 from damaging the capacitor 8 by rapid impact. When the impact force disappears, the precision buffer 6 slowly recovers to clamp the capacitor 8.

[0058] Another embodiment of the present invention further provides a circuit board production line, including a capacitor feeding grabbing structure 17 , the above-mentioned tray transporting structure 18 , and a welding device 19 .

[0059] The capacitor feeder gripping structure 16 comprises a Yamaha feeder, model FS2 tape feeder 8x4mm7inchwith holder.

[0060] Usually finished capacitors are stored in a supply tray. Taking out a single capacitor from the supply tray and moving it to a designated location usually requires the following three steps: separating a single capacitor from the supply tray, taking out and moving the capacitor, and moving the capacitor.

[0061] Among them, after a single capacitor is separated by the feeder, it is grabbed by a 3-axis robot composed of IAI electric cylinders and placed on a designated pallet. The capacitor is grabbed by suction cups.

[0062] The capacitor 8 needs to be transported on a transport pallet during transportation, and the capacitor 8 can be stably transported by loosening and clamping the clamping structure on the transport pallet.

[0063] Although the above describes the specific implementation methods of the utility model in combination with the accompanying drawings, it is not intended to limit the scope of protection of the utility model. Technical personnel in the relevant field should understand that on the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A capacitor transport device, characterized in that: include: A mounting plate, wherein a slide groove is provided on the mounting plate; The bracket includes a first bracket and a second bracket, and the bracket is fixedly mounted on the upper side of the mounting plate; The clamping mechanism comprises an upper clamping and releasing pull plate, a lower clamping and releasing pull plate, a spring, and a precision buffer; A precision buffer is slidably mounted on the second bracket; A baffle is disposed at the upper end of the first bracket, and the baffle is located on a side of the first bracket away from the precision buffer. The first bracket is also connected to a spring fixing seat, and the spring fixing seat is located on a side of the first bracket close to the precision buffer; The inner side of the upper clamping and releasing pull plate is fixedly connected to the precision buffer, the spring is connected to the spring fixing seat and the upper clamping and releasing pull plate, and the upper clamping and releasing pull plate passes through the slide groove on the mounting plate; A lower clamping and releasing pull plate is installed on the lower side of the installation plate, and the lower clamping and releasing pull plate intermittently pushes the upper clamping and releasing pull plate to move to a side away from the transport pallet; A ejector pin is installed on one side of the precision buffer close to the first bracket. When the spring is in a natural state, the distance between the free end of the ejector pin and the baffle is smaller than the width of the capacitor.

2. The capacitor transport device according to claim 1, characterized in that: A driving mechanism is arranged on the lower side of the mounting plate, including a rotary electric cylinder, which provides driving force for the lower clamping and releasing pull plate.

3. The capacitor transport device according to claim 1, wherein: The lower clamping and releasing pull plate is a cam structure, and a cam is provided with a convex angle. When the cam rotates to the convex angle upward position, the lower clamping and releasing pull plate contacts the upper clamping and releasing pull plate, pushing the upper clamping and releasing pull plate to move to the side away from the transport pallet.

4. The capacitor transport device according to claim 1, wherein: The free end of the ejector pin is an arc-shaped structure.

5. The capacitor transport device according to claim 1, wherein: The baffle and the first bracket are integrally arranged.

6. The capacitor transport device according to claim 1, wherein: The lower end of the upper clamping and releasing pull plate extends out of the mounting plate through the sliding groove.

7. The capacitor transport device according to claim 1, wherein: The width of the slide groove is greater than the width of the upper clamping and releasing pull plate, and the length of the slide groove is less than the distance between the upper clamping and releasing pull plate and the first bracket.

8. The capacitor transport device according to claim 2, wherein: The rotary electric cylinder is connected with the lower clamping and releasing pull plate through a rotating shaft.

9. A circuit board production line, characterized in that: A capacitor transport device comprising the capacitor transport device according to any one of claims 1 to 8.

10. The circuit board production line according to claim 9, characterized in that: The capacitor transport device is arranged between the capacitor feeding grasping structure and the welding device.

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