CN102762087A - Chain feeding vertical plug-in machine - Google Patents

Abstract

The invention relates to the technical field of vertical electronic element plug-in machines, in particular to a chain type feeding vertical plug-in machine, which comprises a rack and a plug-in head, wherein a driving wheel arranged on the rack and at least two driven wheels arranged on the rack are provided with a motor for driving the driving wheel to rotate; the plug-in head is positioned right above one of the chain clamps of the conveying chain. In the vertical chain feeding component inserter, the component inserter head does not need to move horizontally in the inserting process, so that the mechanism of the component inserter is greatly simplified, the processing and assembling difficulty is reduced, the overhauling and maintenance in actual processing are more convenient, the inserting stability of the component inserter is improved, and the vertical chain feeding component inserter is high in practicability.

Description

Chain feeding vertical plug-in machine

technical field

The invention relates to the technical field of vertical electronic component insertion machines, in particular to a vertical insertion machine for chain feeding.

Background technique

With the rapid development of electronic technology, the use of electronic products is becoming more and more extensive. PCB circuit boards are important components of electronic products. Vertical plug-in machines are processing equipment that insert various vertical components into designated positions on PCB circuit boards. . In the processing process of the vertical plug-in machine, the components with vertical components are generally conveyed to the station device for material distribution, and then embedded in the chain clip, and then transported by other devices to the The upper part of the PCB board is positioned, and then the clamping device moves down, and the vertical component is accurately inserted into the preset pin socket of the PCB circuit board, and then the clamping device is reset to facilitate the clamping of new electronic components for the next time Plug-in processing, the inserted electronic components remain on the PCB circuit board, and run together with the PCB circuit board to the next position for welding and reinforcement.

During the insertion process of vertical components, the bulk vertical components are generally installed on the chain clips of the chain clip conveyor by the feeding device. When the chain clip conveyor transports the vertical components to the vicinity of the head mechanism of the plug-in machine, the chain The clip transmission device is suspended, and then the plug-in machine head clip device removes it from the chain clip and inserts it on the PCB circuit board. The plug-in machine head mechanism using this technical solution needs to move in the horizontal direction as a whole to achieve As a result, the structure of the head mechanism of the plug-in machine is very complicated. Not only is it difficult to process and assemble, the performance of the plug-in machine is not stable enough, and it is also extremely inconvenient to overhaul and maintain in actual processing, which greatly increases the investment and cost of plug-in machine equipment. Running costs, the flaws are obvious.

Contents of the invention

The technical problem to be solved by the present invention is to provide a chain feeding vertical plug-in machine without horizontal movement of the plug-in head of the plug-in machine. Mechanism for easy inspection and maintenance.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: a chain feeding vertical plug-in machine, including a frame, a plug-in head, a driving wheel mounted on the frame and at least two slaves mounted on the frame The driving wheel, the frame is equipped with a motor for driving the driving wheel to rotate, the driving wheel and at least two driven wheels are connected by a transmission chain, and the transmission chain is equipped with a chain clip that can clamp vertical components, and the side of the transmission chain It is provided with a station feeding device, an unloading pushing device and a paper tape cutting knife. The frame is equipped with a driving cylinder for driving the paper tape cutting knife to move back and forth; the plug-in head is located directly above one of the chain clips of the conveyor chain.

Wherein, the station feeding device includes a station body arranged on the frame and an active slider installed on the station body, the active slider is provided with an upper push piece and a lower push piece, and the lower push piece is located at the upper push Right below the sheet, there is an interval between the front end of the push-up sheet and the front end of the push-down sheet.

Wherein, the front ends of the push-up pieces are all provided with W-shaped grooves.

Wherein, the discharge pushing device includes a feeding base arranged on the frame, a feeding guide rod installed on the feeding base and a driving mechanism for driving the feeding guide rod to move back and forth, and the front end of the feeding guide rod is equipped with A U-shaped frame, the upper end of the U-shaped frame is equipped with a pushing block, and the lower end of the U-shaped frame is equipped with a feeding slot; the lower end of the U-shaped frame is provided with a hinge pin, and the hinge pin is installed There is a material clamping bracket, and the material clamping bracket is equipped with a material clamping piece, and the material clamping piece abuts against the feeding groove piece.

Wherein, the front end of the feeding base is equipped with a limit support, and the limit support is equipped with two chain limit blocks, and a space for the transmission chain to pass is provided between the two chain limit blocks.

Wherein, the limit support is equipped with a clamping seat, and the clamping seat is equipped with a feeding stopper, the rear end of the feeding stopper is hinged with the clamping seat, and the side wall of the feeding stopper is provided with a side wall. Push slope and upper top slope; the clamping bracket is provided with a dial pin, when the feeding guide rod moves forward, the dial pin abuts against the upper top slope; when the feed guide rod moves backward, the dial pin and the side push slope Abut.

Wherein, the feeding stopper is equipped with a stopper spring, and the two ends of the stopper spring are respectively connected with the front part of the feeding stopper and the material holding seat.

Wherein, the clamping seat is provided with a long hole and a screw, and the screw is screwed to the limiting support after passing through the long hole.

Wherein, the clamping bracket is equipped with a clamping spring, and the two ends of the clamping spring are respectively connected with the clamping bracket and the U-shaped frame.

Wherein, the driving mechanism includes a cylinder seat arranged on the feeding base and a push cylinder installed on the cylinder seat, the piston rod of the push cylinder is connected to the feeding guide rod; the cylinder seat is equipped with a feeding spring, Both ends of the feeding spring are respectively connected with the cylinder base and the feeding guide rod.

The beneficial effects of the present invention are: the present invention provides a vertical plug-in machine. During the plug-in process, the drive wheel rotates intermittently under the action of the motor, and drives the transmission chain to run intermittently. When the vertical components are loaded by the station After the device is loaded on the chain clip, the conveyor chain runs; when the chain clip moves to the right below the plug-in head, the conveyor chain pauses, and the unloading push device starts to move, pushing the vertical components to the plug-in head, so that the plug-in head will The vertical components are plugged into the PCB circuit board. In the chain feed vertical plug-in machine of the present invention, the plug-in head does not need to move horizontally during the plug-in process, which greatly simplifies the mechanism of the plug-in machine, reduces the difficulty of processing and assembly, and is more convenient for inspection and maintenance in actual processing, improving It ensures the stability of the plug-in machine and has strong practicability.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of the chain feeding vertical plug-in machine of the present invention.

Fig. 2 is a three-dimensional structural schematic diagram of the chain feeding vertical plug-in machine in the working state of the present invention.

Fig. 3 is a three-dimensional structural schematic diagram of the station feeding device of the present invention.

Fig. 4 is an exploded perspective view of the three-dimensional structure of the front part of the station loading device of the present invention.

Fig. 5 is a three-dimensional structural schematic diagram of a push-up piece and a push-down piece of the present invention.

Fig. 6 is a schematic diagram of another three-dimensional structure of the push-up piece and the push-down piece of the present invention.

Fig. 7 is a schematic perspective view of the three-dimensional structure of the unloading and pushing device of the present invention.

Fig. 8 is an exploded perspective view of the three-dimensional structure of the chain clip unloading and pushing device of the present invention.

Fig. 9 is a left view structural diagram of the feeding stopper and the clamping bracket when the feeding guide rod moves backward according to the present invention.

Fig. 10 is a left view structural diagram of the feeding stopper and the clamping bracket when the feeding guide rod of the present invention moves forward.

Fig. 11 is a schematic perspective view of the three-dimensional structure of the unloading and pushing device of the present invention when it performs the unloading and pushing action.

Fig. 12 is a schematic diagram of the three-dimensional structure when the vertical component is pushed to the plug head.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the embodiments are not intended to limit the present invention.

As shown in Figures 1 to 12, a chain feeding vertical plug-in machine includes a frame 1, a plug-in head 2, a driving wheel 3 mounted on the frame 1 and at least two The driven wheel 4, the frame 1 is equipped with a motor for driving the driving wheel 3 to rotate, the driving wheel 3 and at least two driven wheels 4 are connected by a transmission chain 5, and the transmission chain 5 is equipped with a chain that can clamp vertical components Clip 7, the side of the conveyor chain 5 is provided with a station feeding device, an unloading push device and a paper tape cutter 6, and the frame 1 is equipped with a driving cylinder for driving the paper tape cutter 6 to move back and forth; the plug-in The head 2 is located directly above one of the chain clips 7 of the conveyor chain 5 .

During the insertion process of the vertical plug-in machine, the drive wheel 3 rotates intermittently under the action of the motor, and drives the transmission chain 5 to run intermittently. When the vertical components are loaded on the chain clamp 7 by the station loading device, the transmission chain 5 running; when the chain clamp 7 moves to the front of the paper tape cutter 6, the paper tape cutter 6 moves forward under the action of the drive cylinder, and cuts off the redundant pins of the vertical electronic components with the paper tape , so that the electronic components are ready for insertion. When the chain clip 7 moves to the right below the plug-in head 2, the conveyor chain 5 pauses, and the unloading and pushing device starts to move, pushing the vertical components to the plug-in head 2. In order to facilitate the plug-in head 2 to insert the vertical component onto the PCB circuit board.

During the insertion process of the chain feeding vertical plug-in machine of the present invention, the plug-in head 2 does not need to move horizontally, which greatly simplifies the mechanism of the plug-in machine, reduces the difficulty of processing and assembly, and is more convenient for inspection and maintenance in actual processing. The insertion stability of the plug-in machine is improved, and the practicability is strong.

Referring to Fig. 4 and Fig. 5, the station feeding device of the present embodiment includes a station body 8 arranged on the frame 1 and an active slider 9 installed on the station body 8, the active slider 9 is provided with The push-up piece 10 and the push-down piece 11, the push-down piece 11 is located directly below the push-up piece 10, and there is an interval between the front end of the push-up piece 10 and the front end of the push-down piece 11. The front ends of the push-up piece 10 and the push-down piece 11 of this embodiment are all provided with a W-shaped groove 12. When the front-ends of the push-up piece 10 and the push-down piece 11 abut against the pins of the LED, the LED's The two pins are respectively embedded in the two notches of the W-shaped groove 12 to further improve the stability of the upper push piece 10 and the lower push piece 11 when transporting the LED. In this embodiment, the distance between the two notches of the W-shaped groove 12 is 3.5 mm, so as to facilitate the insertion processing of vertical components with a lead distance of 3.5 mm.

Certainly, the mechanisms of the front ends of the push-up piece 10 and the push-down piece 11 can also be arranged as the structure shown in FIG. 6 , which can also achieve the above-mentioned technical effect.

See Fig. 7 to Fig. 12, the described unloading pushing device of this embodiment comprises the feeding base 13 that is arranged on frame 1, the feeding guide rod 14 that is installed on feeding base 13 and is used for driving feeding guide rod 14 to move back and forth. Drive mechanism, the front end portion of described feeding guide rod 14 is equipped with U-shaped frame 15, and the upper end portion of this U-shaped frame 15 is equipped with pushing material block 16, and the lower end portion of this U-shaped frame 15 is equipped with feeding groove sheet 17; the lower end of the U-shaped frame 15 is provided with a hinge pin 18, and the hinge pin 18 is equipped with a clamping bracket 19, and the clamping bracket 19 is equipped with a clamping piece 20, and the clamping piece 20 is connected to the described Feed slot piece 17 abuts.

During the plug-in processing, the chain clip 7 moves intermittently under the action of the conveying chain 5, and the feeding guide rod 14 moves backward under the action of the driving mechanism. At this time, the clip bracket 19 rotates forward around the hinge pin 18, and The tablet 20 is separated from the feeding slot 17; the U-shaped frame 15 moves backward synchronously with the feeding guide rod 14, and drives the pushing block 16 and the feeding slot 17 to move backward together. When the chain clip 7 carries the vertical element and stays behind the material clip of the plug-in head 2, the feeding guide rod 14 moves forward under the action of the driving mechanism, and the U-shaped frame 15 moves forward synchronously with the feeding guide rod 14, And drive pusher block 16 and feed groove sheet 17 to move forward together, until described pusher block 16 abuts with the top of vertical element, described feed groove sheet 17 abuts with the pin of vertical element, at this moment , the clamping bracket 19 rotates in reverse around the hinge pin 18, and the clamping piece 20 abuts against the feeding groove piece 17, so as to clamp the vertical component and prevent the vertical component from falling off.

See Fig. 8 and Fig. 11, along with feeding guide bar 14 and U-shaped frame 15 continue to move forward, described pushing block 16 and feeding groove piece 17 push off the vertical element on the chain clip 7 together, and will The vertical element is pushed to the clip of the plug-in head 2; see Figure 12, when the vertical component is pushed to the clip of the plug-in head 2, the clamping bracket 19 rotates forward around the hinge pin 18, and the clamping sheet 20 and The feeding slot 17 is separated, and after the vertical element is clamped by the clip of the plug-in head 2, the feeding guide rod 14 and the U-shaped frame 15 move backward under the action of the driving mechanism, thereby completing the unloading of a vertical element. material pushing action; then, the conveyor chain 5 continues to run until the next chain clamp 7 carrying the vertical element stays behind the material clamp of the plug-in head 2, and the feeding guide rod 14 moves forward again under the action of the drive mechanism, And then repeat the above-mentioned action, in order to carry out unloading and pushing action to new vertical element.

The unloading pushing device of the present invention is used to push off the vertical elements on the chain clip 7, and push it to the material clip of the plug-in head 2 of the plug-in machine, so that the plug-in head 2 or the clip of the plug-in machine do not need to be integrated Horizontal movement greatly simplifies the complexity of the plug-in head 2 of the plug-in machine, reduces the processing and assembly difficulty of the plug-in machine, and improves the stability of the plug-in machine. In addition, the unloading and pushing device of the present invention can be disassembled from the plug-in machine Carrying out maintenance and overhaul operations greatly reduces the investment and operating costs of the plug-in machine equipment, with obvious progress and strong practicability.

The front end of the feeding base 13 in this embodiment is equipped with a limit support 21, and the limit support 21 is equipped with two chain limit blocks 22, and between the two chain limit blocks 22 is a The interval through which the conveyor chain 5 passes. When the chain of the conveyor chain 5 drives the chain clamp 7 to be transported to the discharge pushing device together, the chain passes through the space between the two chain limit blocks 22, so as to prevent the chain from swinging back and forth and affect the push block 16 and The pushing action of the feeding groove sheet 17 improves the stability of the unloading and pushing of the described unloading pushing device and ensures the normal and stable operation of the plug-in machine.

The limit support 21 of this embodiment is equipped with a clamping seat 23, and the clamping seat 23 is equipped with a feeding stopper 24, the rear end of the feeding stopper 24 is hinged with the clamping seat 23, and the feeding The side wall of the stopper 24 is provided with a side pushing inclined surface 25 and an upper inclined surface 26; ; When the feeding guide rod 14 moves backward, the dial pin 27 abuts against the side push slope 25 .

Preferably, the clamping bracket 19 is equipped with a clamping spring 31 , and the two ends of the clamping spring 31 are respectively connected with the clamping bracket 19 and the U-shaped frame 15 .

See Fig. 8 and Fig. 9, when the feeding guide rod 14 moves backward under the action of the driving mechanism, the dial pin 27 of the clamping bracket 19 abuts against the side pushing slope 25, and moves downward along the side pushing slope 25 Sliding at the rear, so that the clamping bracket 19 rotates forwardly around the hinge pin 18, thereby realizing the separation action of the clamping piece 20 and the feeding groove piece 17; At the rear, the pin 27 of the clamping bracket 19 is separated from the side push slope 25, and the clamping bracket 19 rotates reversely around the hinge pin 18 under the action of the clamping spring 31, and the clamping sheet 20 and the vertical At the same time, the feeding guide rod 14 stops moving backward under the action of the driving mechanism, and starts to move forward, and the clamping sheet 20 abuts against the feeding groove sheet 17 to realize the unloading. The clamping action of the material pushing device, and the vertical element is pushed off from the chain clip 7.

See Fig. 8 and Fig. 11, at this moment, the pin 27 of clamping bracket 19 slides along the top slope 26, and pushes up the front part of feeding block 24, and clamping bracket 19 does not rotate temporarily, when said The feeding guide rod 14 continues to move forward under the action of the driving mechanism until the vertical element is clamped on the material clip of the plug-in head 2, and the dial pin 27 of the material clamping bracket 19 slides to abut against the side push slope 25, Subsequently, the front portion of the feeding block 24 swings downward under the action of its own gravity, and pushes the dial pin 27 to move forward, so that the clamping bracket 19 rotates forwardly around the hinge pin 18, and the clamping sheet 20 and the hinge pin 18 rotate forward. The feed slots 17 are separated to prevent the clipping sheet 20 from knocking down the vertical components on the clips of the plug-in head 2 . The on-demand opening and closing actions of the clamping sheet 20 of the present invention are all realized through the linkage relationship between the dial pin 27 of the clamping bracket 19 and the feeding stopper 24, and have the advantages of simple structure, fast response speed, and timing of opening and closing. Accurate advantages.

It needs to be added that: the forward or reverse rotation of the clamping bracket 19 around the hinge pin 18 can also be realized by installing a servo motor on the U-shaped frame 15, or setting it on the U-shaped frame 15 The small cylinder drives the dial pin 27 to move back and forth, and also can realize the technical effect of opening and closing the clamping sheet 20 as required.

In addition, the pushing block 16 and the feeding slot 17 can also be made of magnetic materials, so that the pushing block 16 and the feeding slot 17 are magnetically attracted to each other, and then replace the above-mentioned clamping spring 31, which can also achieve the above-mentioned technical effect.

The feeding stopper 24 of the present embodiment is equipped with a stopper spring 28, and the two ends of the stopper spring 28 are respectively connected with the front part of the feeding stopper 24 and the clamping seat 23, when the clamping bracket 19 When the pin 27 slides to abut against the side push slope 25, the stretching action of the stopper spring 28 can speed up the speed at which the front portion of the feed stopper 24 swings downward, and improve the response rate of the feed stopper 24, thereby improving the plug-in function. machine equipment efficiency.

Specifically, as shown in Fig. 8, the clamping seat 23 is provided with a long hole 29 and a screw, and the screw passes through the long hole 29 and is threadedly connected with the limit support 21. After the screw is loosened, the clamping seat After the front and rear proper movement of 23 is carried out, the front and rear position adjustment of the clamping seat 23 can be completed by tightening the screw again. The structure is simple and the practicability is strong.

The drive mechanism of the present embodiment includes a cylinder block 32 arranged on the feeding base 13 and a push cylinder 33 installed on the cylinder block 32, the piston rod of the push cylinder 33 is connected with the feed guide rod 14; Under the control of the push cylinder 33, the piston rod of the push cylinder 33 is extended and retracted to realize the driving function of the driving mechanism. It has the advantages of simple structure, low cost, quick response, and convenient maintenance.

Of course, the driving mechanism can also be a rack and pinion and cooperate with a motor to realize the forward and backward movement of the feeding guide rod 14 , which can also achieve the above technical effects.

Further, the cylinder base 32 is equipped with a feed spring 34, and the two ends of the feed spring 34 are respectively connected with the cylinder base 32 and the feed guide rod 14, if the air supply device breaks down and other accidents cause insufficient air supply At this time, the feeding guide rod 14 moves backward under the action of the feeding spring 34, so that the U-shaped frame 15, the pushing block 16 and the feeding groove are kept at a sufficient distance from the clip of the plug-in head 2, so as to avoid damage caused by the action of the plug-in head 2. Different components collide and damage the equipment, improving the safety of the plug-in machine; in addition, the stretching effect of the feeding spring 34 can speed up the speed of the backward movement of the feeding guide rod 14, and improve the response rate of the feeding guide rod 14, thereby further improving the plug-in machine. machine equipment efficiency.

The above embodiment is one of the preferred implementation solutions of the present invention. In addition, the present invention can also be realized in other ways, and any obvious replacements are within the protection scope of the present invention without departing from the concept of the present invention.

Claims (10)

1. the vertical inserter of chain type feed; Comprise frame (1), plug head (2); Be installed in the driving wheel (3) of frame (1) and be installed at least two driven pulleys (4) of frame (1); Frame (1) is equiped with and is used to drive the motor that driving wheel (3) rotates, and it is characterized in that: driving wheel (3) and at least two driven pulleys (4) connect through conveyer chain (5), this conveyer chain (5) but be equiped with the chain folder (7) of clamping vertical component; Said conveyer chain (5) side is provided with erect-position feeding device, discharging pusher and paper tape shearing blade (6), and said frame (1) is equipped with and is used to drive the driving cylinder that paper tape shearing blade (6) moves around; Plug head (2) be positioned at conveyer chain (5) one of them chain folder (7) directly over.

2. the vertical inserter of chain type feed according to claim 1; It is characterized in that: said erect-position feeding device comprises erect-position body (8) that is arranged at frame (1) and the active sliding block (9) that is installed in erect-position body (8); This active sliding block (9) is provided with push jack (10) and reaches push jack (11) down; Following push jack (11) be positioned at push jack (10) under, have between the leading section of the leading section of last push jack (10) and following push jack (11) at interval.

3. the vertical inserter of chain type feed according to claim 2 is characterized in that: the said leading section of going up push jack (10) is provided with W shape groove (12).

4. the vertical inserter of chain type feed according to claim 1; It is characterized in that: said discharging pusher comprises feeding base (13), the feeding guide rod (14) that is installed in feeding base (13) that is arranged at frame (1) and is used to drive the driving mechanism that feeding guide rod (14) moves forward and backward; The leading section of said feeding guide rod (14) is equiped with U-shaped frame (15); The upper end of this U-shaped frame (15) is equiped with expeller (16), and the bottom of this U-shaped frame (15) is equiped with feeding slotted vane (17); The bottom of said U-shaped frame (15) is provided with swivel pin (18), and this swivel pin (18) is equiped with material folding support (19), and this material folding support (19) is equiped with material folding sheet (20), this material folding sheet (20) and said feeding slotted vane (17) against.

5. the vertical inserter of chain type feed according to claim 4; It is characterized in that: the leading section of said feeding base (13) is equiped with spacing bearing (21); This spacing bearing (21) is equiped with two chain guide vane end stops (22), is provided with between these two chain guide vane end stops (22) to be used for the interval that conveyer chain (5) passes.

6. the vertical inserter of chain type feed according to claim 5; It is characterized in that: said spacing bearing (21) is equiped with the seat (23) that gets stuck; This seat (23) that gets stuck is equiped with feeding block (24); The rearward end of this feeding block (24) is hinged with the seat (23) that gets stuck, and the sidewall of this feeding block (24) is provided with thruster inclined-plane (25) and last top bevel (26); Said material folding support (19) is provided with finger (27), and feeding guide rod (14) is when moving forward, this finger (27) and last top bevel (26) butt; When feeding guide rod (14) moves backward, this finger (27) and thruster inclined-plane (25) butt.

7. the vertical inserter of chain type feed according to claim 6; It is characterized in that: said feeding block (24) is equiped with stopper spring (28), and the two ends of this stopper spring (28) are connected with the said seat (23) that gets stuck with the front portion of feeding block (24) respectively.

8. the vertical inserter of chain type feed according to claim 6 is characterized in that: the said seat (23) that gets stuck is provided with slotted hole (29) and screw, and this screw passes this slotted hole (29) back and is threaded with said spacing bearing (21).

9. the vertical inserter of chain type feed according to claim 4 is characterized in that: said material folding support (19) is equiped with material folding spring (31), and the two ends of this material folding spring (31) are connected with said U-shaped frame (15) with material folding support (19) respectively.

10. the vertical inserter of chain type feed according to claim 4; It is characterized in that: said driving mechanism comprises cylinder block (32) that is arranged at said feeding base (13) and the propelling movement cylinder (33) that is installed in cylinder block (32), and this piston rod that pushes cylinder (33) is connected with said feeding guide rod (14); Said cylinder block (32) is equiped with feeding spring (34), and the two ends of this feeding spring (34) are connected with said feeding guide rod (14) with cylinder block (32) respectively.

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