Feeding mechanism of bulk chip mounter

Abstract

The utility model discloses a feeding mechanism of a bulk chip mounter. The feeding mechanism comprises a vibration feeder, a discharging channel, a guide groove, a first air cylinder, a second air cylinder, a transfer block, an air pipe and a conveying device. A discharging hole is formed in the end portion above a feeding spiral groove of the vibration feeder, the width of the discharging hole is slightly smaller than that of the feeding spiral groove, and the length of the discharging hole is L4 and L1lt. L4lt; l2; the conveying device is arranged below the outer side of the second end face of the guide groove. According to the utility model, the feeding direction of the capacitor is skillful and regular through the vibration feeder; through cooperation of the first air cylinder, the guide groove and the second air cylinder, side-by-side regular transmission of capacitors is achieved, finally, cyclic feeding of single capacitors is achieved through the conveying device with the negative pressure function, and the whole device is low in cost and suitable for large-batch capacitor feeding and surface mounting.

Description

TECHNICAL FIELD

[0001] The utility model relates to patch machine technical field especially relates to a feeding mechanism of bulk patch machine. BACKGROUND

[0002] Bulk patch machine is a kind of automation mounting equipment specially for processing non-standardized packaging electronic components, and it is suitable for the components in bulk (Bulk), tube (Tube) or tray (Tray) form. Unlike traditional tape-and-reel patch machine, bulk patch machine can efficiently process small batch, multi-species or special packaging components through flexible feeding system, and it is an ideal choice for research and development, sample production, repair and small batch production.

[0003] In prior art, when bulk patch machine is used to mount long pin capacitor, feeding mechanism generally completes by mechanical hand cooperating with air jet equipment, when capacitor is accumulated, air jet equipment is used to blow away multiple capacitors, and then the capacitor is grabbed for feeding after visual identification, however, feeding by visual identification cooperating with mechanical hand is not suitable for large batch capacitor mounting because of high cost.

[0004] Therefore, it is necessary to develop a feeding mechanism of bulk patch machine to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model discloses a feeding mechanism of bulk patch machine.

[0006] The utility model discloses a feeding mechanism of bulk patch machine.

[0007] The feeding mechanism of bulk patch machine is used for the feeding of capacitor, and the capacitor includes a capacitor body and capacitor pins, the first end of the capacitor body is connected with the first end of the capacitor pin, the distance from the center of gravity of the capacitor to the second end of the capacitor body is L1, the distance from the center of gravity of the capacitor to the second end of the capacitor pin is L2, and the length of the capacitor body is L3.

[0008] The upper end of the feeding spiral groove of the vibration feeder is provided with a discharging hole, the width of the discharging hole is slightly smaller than the width of the feeding spiral groove, the length of the discharging hole is L4, and L1

[0009] The lower discharging channel is vertically installed below the discharging hole, and the upper end entrance of the lower discharging channel is communicated with the discharging hole.

[0010] Guide groove; The guide groove is formed into a cuboid shape. A first through hole is provided on the first end face of the guide groove. The top and second end face of the guide groove are open. The first end face and the second end face of the guide groove are opposite to each other. The first end of the guide groove is located directly below the outlet of the feeding channel. The guide groove is horizontally set. Multiple capacitors are placed side by side in the guide groove. The width of the guide groove is slightly larger than the diameter of the capacitor body.

[0011] First cylinder;

[0012] The second cylinder; the first cylinder and the second cylinder are respectively placed on the outer sides of the two ends of the guide groove. The piston rod of the first cylinder passes through the first through hole and is used to push the capacitor to move along the length of the guide groove.

[0013] Transfer block;

[0014] The air tube; the piston rod of the second cylinder is connected to the first end face of the transfer block, the piston rods of the first cylinder and the piston rods of the second cylinder are set on the same axis, the interior of the transfer block is hollow, the interior of the transfer block is connected to the first end of the air tube, and the second end of the air tube is connected to the negative pressure source; multiple first negative pressure suction holes are provided on the second end face of the transfer block, and the first end face and the second end face of the transfer block are opposite end faces;

[0015] Conveying device; the conveying device is located below the outer side of the second end face of the guide groove.

[0016] The beneficial effects of this utility model are as follows:

[0017] In this application, a vibratory feeder is used to neatly and orderly feed the capacitors; the cooperation of the first cylinder, the guide groove, and the second cylinder enables the orderly side-by-side transmission of the capacitors; and finally, a conveying device with negative pressure function is used to cyclically feed individual capacitors. The entire device has low cost and is suitable for large-scale capacitor feeding and mounting. Attached Figure Description

[0018] Figure 1 This is a cross-sectional view of the vibrating feeder in this application;

[0019] Figure 2 This is a top view of the vibrating feeder in this application;

[0020] Figure 3 This is a schematic diagram showing the dimensions of the feeding hole and the capacitor body in this application;

[0021] Figure 4 This is a top view of the material feeding channel in this application;

[0022] Figure 5 This is a front view of the mating structure of the feeding channel, the first cylinder, the guide groove, and the second cylinder in this application;

[0023] Figure 6 It is the top view of the cooperation structure of the discharging channel, the first cylinder, the guide groove and the second cylinder in the application.

[0024] Figure 7 It is the structure schematic view of the conveying device in the application.

[0025] Figure 8 It is the cooperation structure schematic view of the adsorption block and the negative pressure box in the application.

[0026] Figure 9 It is the installation structure schematic view of the air curtain in the application.

[0027] Legend: 1-base, 2-vibrator, 3-storing cylinder, 4-feeding spiral groove, 5-capacitor, 6-discharging hole, 7-capacitor body, 8-capacitor pin, 9-discharging channel, 10-opening part, 11-guiding part, 12-first cylinder, 13-guide groove, 14-conveying device, 15-second cylinder, 16-transfer block, 17-air pipe, 18-conveying belt, 19-adsorption block, 20-pushing block, 21-negative pressure box, 22-air curtain, 23-negative pressure fan. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0031] In the description of the utility model, it is understood that the terms "upper", "lower", "inner", "outer", "left", "right" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0032] In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0033] In the description of the utility model, it is also necessary to explain that, unless otherwise explicitly specified and limited, the terms "arrangement", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] The specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0035] As Figure 1 And 2 And 3 and 5 and 6 are shown, the feeding mechanism of bulk patch machine is used for the feeding of capacitor 5, capacitor 5 includes capacitor main body 7, capacitor pin 8, the first end of capacitor main body 7 is connected with the first end of capacitor pin 8, the distance from the center of gravity of capacitor 5 to the second end of capacitor main body 7 is L1, the distance from the center of gravity of capacitor 5 to the second end of capacitor pin 8 is L2, the length of capacitor main body 7 is L3, and the feeding mechanism includes:

[0036] Vibration feeder; the upper end of the feeding spiral groove 4 of vibration feeder is provided with a discharging hole 6, the width of the discharging hole 6 is slightly smaller than the width of the feeding spiral groove 4, the length of the discharging hole 6 is L4, and L1 < L4 < L2;

[0037] Discharging channel 9; the discharging channel 9 is vertically installed directly below the discharging hole 6, and the upper end entrance of the discharging channel 9 is communicated with the discharging hole 6;

[0038] The guide groove 13 is formed in a cuboid shape, a first through hole is arranged on the first end face of the guide groove 13, the upper side and the second end face of the guide groove 13 are both arranged in an open manner, the first end face and the second end face of the guide groove 13 are two opposite end faces, the first end of the guide groove 13 is arranged directly below the outlet of the discharging channel 9, the guide groove 13 is arranged horizontally, and a plurality of capacitors 5 are arranged side by side in the guide groove 13; the width of the guide groove 13 is slightly greater than the diameter of the capacitor main body 7;

[0039] The first cylinder 12;

[0040] The second cylinder 15; the first cylinder 12 and the second cylinder 15 are respectively arranged outside the two ends of the guide groove 13, and the piston rod of the first cylinder 12 is used to push the capacitor 5 to move along the length direction of the guide groove 13 after passing through the first through hole;

[0041] The transfer block 16;

[0042] The air pipe 17; the piston rod of the second cylinder 15 is connected with the first end face of the transfer block 16, the piston rod of the first cylinder 12 is coaxially arranged with the piston rod of the second cylinder 15, the inside of the transfer block 16 is empty, the inside of the transfer block 16 is in communication with the first end of the air pipe 17, and the second end of the air pipe 17 is connected with a negative pressure source; a plurality of first negative pressure suction holes are arranged on the second end face of the transfer block 16, and the first end face and the second end face of the transfer block 16 are two opposite end faces;

[0043] The conveying device 14; the conveying device 14 is arranged below the second end face of the guide groove 13.

[0044] As shown in Figure 5 , the top of the conveying device 14 is slightly lower than the bottom of the guide groove 13. The purpose of this arrangement is to avoid the friction between the conveying device 14 and the bottom of the capacitor 5 affecting the transfer of the capacitor 5.

[0045] As shown in Figure 1 and 2 , the vibrating feeder comprises a base 1, a vibrator 2 and a storage cylinder 3, the storage cylinder 3 is installed on the base 1, the vibrator 2 is installed in the middle of the base 1, and a feeding spiral groove 4 is sequentially installed from the inner side wall of the storage cylinder 3, the top of the storage cylinder 3 and the outer side.

[0046] As shown in Figure 4 and 5 , the discharging channel 9 comprises an opening part 10 and a guide part 11, the guide part 11 is arranged in a gradually reduced manner from the upper end to the lower end, the lower end of the opening part 10 is in communication with the upper end of the guide part 11, and the width of the guide part 11 is slightly greater than the width of the capacitor 5. The lower end of the guide part 11 is slightly higher than the top of the capacitor 5 arranged in the guide groove 13. The purpose of this arrangement is to guide the capacitor 5 to the maximum extent.

[0047] AsFigure 6 As shown in the figure, the piston rod of the first cylinder 12 is connected with the first end of the push block 20, the push block 20 is placed in the guide groove 13, the second end surface of the push block 20 is formed as a first concave arc surface, and the diameter of the first concave arc surface is the same as the diameter of the capacitor 5.

[0048] As shown in the figure, Figure 5 and 6 As shown in the figure, the second end surface of the transfer block 16 is formed as a second concave arc surface, and the diameter of the second concave arc surface is the same as the diameter of the capacitor 5.

[0049] As shown in the figure, Figures 6-8 As shown in the figure, the conveying device 14 includes a conveying belt 18, a plurality of negative pressure boxes 21, a plurality of negative pressure fans 23, and a plurality of adsorption blocks 19. The adsorption block 19 is a shell structure with an open lower end surface, the negative pressure box 21 is a shell structure with an open upper end surface, the plurality of negative pressure boxes 21 are fixedly installed above the fixed part of the conveying device 14, the plurality of adsorption blocks 19 are installed along the length direction of the conveying belt 18 and at the middle part in the width direction of the conveying belt 18, a plurality of second negative pressure suction holes are arranged on the upper end surface of the adsorption block 19, the air inlets of the plurality of negative pressure fans 23 are respectively connected with the lower ends of the plurality of negative pressure boxes 21, and the upper end surface of the negative pressure box 21 is arranged close to the lower end surface of the adsorption block 19 when the adsorption block 19 passes. The conveying belt 18 is a prior art and is not described here. The conveying belt 18 is divided into two parts on both sides, and the two ends of the adsorption block 19 are respectively connected with the inner sides of the two conveying belts 18. When the conveying belt 18 is conveying, the adsorption block 19 is moved.

[0050] In some embodiments, the adsorption block 19 is formed as a quadrangular prism structure, and the two small side surfaces of the adsorption block 19 are trapezoidal. The lower end of the adsorption block 19 is a smaller bottom surface, so that when the plurality of adsorption blocks 19 pass through the arc-shaped conveying of the two ends of the conveying belt 18, the side walls between adjacent adsorption blocks 19 will not be extruded.

[0051] As shown in the figure, Figure 8 and 9 As shown in the figure, the air curtain 22 is arranged downwardly at the lower end of the adsorption block 19, and the air curtain 22 is composed of a plurality of flexible baffles arranged side by side.

[0052] When the application is working, the capacitor 5 is gradually transmitted upwards from the storage cylinder 3 along the feeding spiral groove 4 under the action of the vibrator 2, until it reaches the discharging hole 6. The first case is that the capacitor main body 7 is in front, because L1 < L4, when the capacitor 5 passes its center of gravity, the capacitor main body 7 of the capacitor 5 falls down from the discharging hole 6; the second case is that the capacitor pin 8 is in front, because L4 < L2, when the capacitor 5 passes its center of gravity, the capacitor pin 8 is on the rear end of the discharging hole 6, under the action of vibration, the capacitor 5 continues to move forward, until the second end of the capacitor main body 7 falls from the front end of the discharging hole 6 into the discharging hole 6, then the reversing of the capacitor 5 is completed, at this time all the capacitors 5 falling into the discharging channel 9 have the capacitor main body 7 below and the capacitor pin 8 above; under the guiding action of the opening part 10 and the guide part 11, the capacitor 5 is in a vertical state when it is discharged from the lower end of the guide part 11, and the capacitor 5 in a vertical state maintains its posture and enters the first end of the guide groove 13; then the first cylinder 12 works, the push block 20 pushes the capacitor 5 towards the second end of the guide groove 13, here only a distance of the width of the capacitor 5 is pushed, then the push block 20 retracts under the action of the first cylinder 12, waiting for the next push, here a detection sensor can be set to detect whether there is a capacitor 5 entering the detection station in the guide groove 13, when the capacitor 5 is detected, the first cylinder 12 is triggered to work; generally, the second cylinder 15 is started when the capacitor 5 accumulates in the guide groove 13, the piston rod of the second cylinder 15 pushes the transfer block 16 to cross above the conveying device 14 and contacts the side wall of the capacitor main body 7 of a capacitor 5, at this time the negative pressure source passes through the air pipe 17 and then through the inside of the transfer block 16 and the first negative pressure suction hole to adsorb the capacitor 5, after adsorption, the piston rod of the second cylinder 15 retracts, moves the capacitor 5 above the conveying device 14, and then gradually reduces until the negative pressure source is stopped, then the capacitor 5 falls onto the conveying device 14. On the conveying device 14, only the conveying device 14 has the ability of negative pressure adsorption above it, and the conveying device 14 can complete all the work of the capacitor 5 in the feeding stage from one end to the other end of the conveying device 14. The working principle of the conveying device 14 is that the conveying belt 18 is step-by-step, the negative pressure fan 23 works to extract the gas in the negative pressure box 21, and because the conveying belt 18 after step-by-step work transmits the adsorption block 19 to the positive side of the negative pressure box 21, because of the action of the air curtain 22, a certain sealing is performed between the upper end of the negative pressure box 21 and the lower end of the adsorption block 19, so that the negative pressure fan 23 also extracts the gas in the adsorption block 19, realizing the negative pressure adsorption of the capacitor 5 placed on the top of the adsorption block 19 from multiple second negative pressure suction holes, avoiding the overturning of the capacitor 5 in the conveying process due to vibration.

[0053] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A feeding mechanism for a bulk component placement machine, used for feeding capacitors, wherein the capacitor includes a capacitor body and capacitor leads, a first end of the capacitor body is connected to a first end of the capacitor leads, the distance from the center of gravity of the capacitor to a second end of the capacitor body is L1, the distance from the center of gravity of the capacitor to a second end of the capacitor leads is L2, and the length of the capacitor body is L3, characterized in that... The feeding mechanism includes: Vibrating feeder; the upper end of the feeding auger groove of the vibrating feeder is provided with a discharge hole, the width of which is slightly smaller than the width of the feeding auger groove, and the length of the discharge hole is L4, L1. <L4<L2; The material feeding channel is installed vertically directly below the material feeding hole, and the upper inlet of the material feeding channel is connected to the material feeding hole. Guide groove; The guide groove is formed into a cuboid shape. A first through hole is provided on the first end face of the guide groove. The top and second end face of the guide groove are open. The first end face and the second end face of the guide groove are opposite to each other. The first end of the guide groove is located directly below the outlet of the feeding channel. The guide groove is horizontally set. Multiple capacitors are placed side by side in the guide groove. The width of the guide groove is slightly larger than the diameter of the capacitor body. First cylinder; The second cylinder; the first cylinder and the second cylinder are respectively placed on the outer sides of the two ends of the guide groove. The piston rod of the first cylinder passes through the first through hole and is used to push the capacitor to move along the length of the guide groove. Transfer block; The air tube; the piston rod of the second cylinder is connected to the first end face of the transfer block, the piston rods of the first cylinder and the piston rods of the second cylinder are set on the same axis, the interior of the transfer block is hollow, the interior of the transfer block is connected to the first end of the air tube, and the second end of the air tube is connected to the negative pressure source; multiple first negative pressure suction holes are provided on the second end face of the transfer block, and the first end face and the second end face of the transfer block are opposite end faces; Conveying device; the conveying device is located below the outer side of the second end face of the guide groove.

2. The feeding mechanism of the bulk material placement machine according to claim 1, characterized in that, The top of the conveyor is slightly lower than the bottom of the guide trough.

3. The feeding mechanism of the bulk material placement machine according to claim 1, characterized in that, The vibratory feeder includes a base, a vibrator, and a storage cylinder. The storage cylinder is installed on the base, the vibrator is installed in the middle of the base, and the feeding spiral groove extends sequentially from the inner wall of the storage cylinder, the top of the storage cylinder, and the outer side of the storage cylinder.

4. The feeding mechanism of the bulk material placement machine according to claim 1, characterized in that, The feeding channel includes an opening and a guide section. The guide section is designed to gradually narrow from the top to the bottom. The bottom of the opening is connected to the top of the guide section. The width of the guide section is slightly larger than the width of the capacitor.

5. The feeding mechanism of the bulk material placement machine according to claim 1, characterized in that, The piston rod of the first cylinder is connected to the first end of the push block. The push block is placed in the guide groove. The second end face of the push block is formed as a first concave arc surface. The diameter of the first concave arc surface is the same as the diameter of the capacitor.

6. The feeding mechanism of the bulk material placement machine according to claim 1, characterized in that, The second end face of the transfer block is formed as a second concave arc surface, and the diameter of the second concave arc surface is the same as the diameter of the capacitor.

7. The feeding mechanism of the bulk material placement machine according to claim 1, characterized in that, The conveying device includes a conveyor belt, multiple negative pressure boxes, multiple negative pressure fans, and multiple adsorption blocks. The adsorption blocks are shell structures with open lower ends, and the negative pressure boxes are shell structures with open upper ends. The multiple negative pressure boxes are fixedly installed above the fixed part of the conveying device. The multiple adsorption blocks are installed along the length of the conveyor belt and in the middle of the width of the conveyor belt. Multiple second negative pressure suction holes are provided on the upper end surface of the adsorption blocks. The air inlets of the multiple negative pressure fans are respectively connected to the lower ends of the multiple negative pressure boxes. The upper end opening of the negative pressure box is positioned close to the lower end opening of the adsorption block when the adsorption block passes by.

8. The feeding mechanism of the bulk material placement machine according to claim 7, characterized in that, An air curtain is installed downwards at the lower end of the adsorption block. The air curtain consists of multiple flexible baffles arranged side by side.

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