CN214719725U

CN214719725U - Hairpin profiling forming and automatic blanking mechanism of automatic flat wire inserting forming machine

Info

Publication number: CN214719725U
Application number: CN202120873371.6U
Authority: CN
Inventors: 文武; 何小兵; 何小京; 王小明
Original assignee: Changsha Huarui Mechanical & Electrical Industry Co ltd
Current assignee: Changsha Huarui Mechanical & Electrical Industry Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-11-16
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a card-issuing profiling forming and automatic blanking mechanism of a flat wire automatic off-line forming machine, which comprises a frame, wherein baffles are fixed on two sides of the frame, and through holes for flat wires to pass through are formed on the baffles; one baffle is provided with a flat wire rotating structure; a horizontally arranged punching die forming device is arranged on the inner side of the rack and connected with a forming punching die; a first material beating device is arranged on one side of the rack in an inclined and downward mode, the first material beating device is located above the die forming device, and a second material beating device is arranged on the other side of the rack. The utility model discloses a knockout cylinder has realized the automatic unloading of flat line hairpin profiling to detachable shaping die makes can replace different die as required in order to adapt to the requirement of different stamping points, and links up two steps of flat line punching press, and has realized the protection to the flat line through the protection boss.

Description

Hairpin profiling forming and automatic blanking mechanism of automatic flat wire inserting forming machine

Technical Field

The utility model belongs to the field of machinery, especially, provide a flat line is automatic rolls off production line shaping of hairpin profiling and automatic blanking mechanism of make-up machine.

Background

The automatic make-up machine that rolls off production line of current flat line in market has simple U type, but current stamping device needs artifical unloading, influences production efficiency and takes place danger easily. In addition, it is difficult to adjust the punching point according to the required specification of flat line, and last flat line still needs the press mold to press the shaping after punching into hairpin form, but current device needs the reloading, leads to the process complicacy.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a hairpin profiling and automatic blanking mechanism of automatic line make-up machine that rolls off production line of flat line. The utility model discloses a knockout cylinder has realized the automatic unloading of flat line hairpin profiling to detachable shaping die makes can replace different die as required in order to adapt to the requirement of different stamping points, and links up two steps of flat line punching press, and has realized the protection to the flat line through the protection boss.

In order to achieve the above technical effects, the technical scheme of the utility model is that:

a hairpin profiling forming and automatic blanking mechanism of a flat wire automatic off-line forming machine comprises a rack, wherein baffles are fixed on two sides of the rack, and through holes for flat wires to pass through are formed in the baffles; one baffle is provided with a flat wire rotating structure; a horizontally arranged punching die forming device is arranged on the inner side of the rack and connected with a forming punching die; a first material beating device is arranged on one side of the rack in an inclined and downward mode, the first material beating device is located above the die forming device, and a second material beating device is arranged on the other side of the rack.

In a further improvement, the first knockout device is a first knockout cylinder, and the second knockout device is a second knockout cylinder.

The further improvement, the die forming device is a die forming oil cylinder, and the die forming oil cylinder is detachably connected with a forming die through a bolt.

In a further improvement, the end of the forming die is formed with a tapered punch.

The improved structure is characterized in that a female die is arranged at the discharge end of the rack, and a male die is arranged above the female die; a U-shaped pressing die is arranged above the forming stamping die, and the male die and the pressing die are both connected with a pressing oil cylinder.

In a further improvement, protection bosses are convexly formed on two sides of the forming punch die, and grooves matched with the flat wires are concavely formed on the inner sides of the protection bosses.

The utility model has the advantages that:

the utility model discloses a knockout cylinder has realized the automatic unloading of flat line hairpin profiling to detachable shaping die makes can replace different die as required in order to adapt to the requirement of different stamping points, and links up two steps of flat line punching press, and has realized the protection to the flat line through the protection boss.

Drawings

FIG. 1 is a schematic perspective view of an automatic off-line molding machine;

FIG. 2 is a schematic perspective view of an automatic pre-feeding mechanism;

FIG. 3 is a schematic perspective view of a flat wire straightening mechanism;

FIG. 4 is a schematic view of the installation position structure of the pre-straightening mechanism;

FIG. 5 is a schematic cross-sectional view of a pre-alignment mechanism;

FIG. 6 is a schematic perspective view of a copying tool mechanism for removing paint coat without damage;

FIG. 7 is a front structural view of a copying tool nondestructive coat removing mechanism;

FIG. 8 is a schematic top view of the contour cutter non-destructive paint peel removing mechanism;

FIG. 9 is a schematic perspective view of a broadside paint removal tool;

FIG. 10 is a schematic structural view of a narrow-edge paint removal tool;

FIG. 11 is a schematic structural view of a U-shaped paint removal groove;

FIG. 12 is a schematic view of the mounting structure of the dust-receiving box;

FIG. 13 is a schematic perspective view of a flat wire feeding mechanism and a hair pin profile length equal positioning rotary wire cutting mechanism;

FIG. 14 is an exploded view of the flat wire chamfering and preliminary cutting mechanism;

FIG. 15 is a schematic view of an assembly structure of the flat wire chamfering and preliminary cutting mechanism;

FIG. 16 is a schematic structural view of a lower cutter, an upper cutter and a punching cutter;

FIG. 17 is a schematic perspective view of a hairpin profiling and automatic blanking mechanism;

FIG. 18 is a schematic front view of a hairpin profiling and automatic blanking mechanism;

FIG. 19 is a perspective view of the forming die;

fig. 20 is a schematic perspective view of a stamper.

Detailed Description

The technical solution of the present invention will be described in detail below with reference to specific embodiments.

As shown in fig. 1-20, an automatic flat wire feeding and forming machine is sequentially provided with an automatic pre-feeding mechanism 6, a flat wire straightening mechanism 5, a profiling cutter lossless coat removing mechanism 4, a flat wire feeding mechanism 7, a flat wire chamfering and primary cutting mechanism 3, a hair-clip profiling length equal positioning rotary wire cutting mechanism 1 and a hair-clip profiling forming and automatic blanking mechanism 2 along the moving direction of a flat wire.

The automatic wire pre-feeding mechanism 6 comprises a first bracket 61 and a second bracket 62, wherein a flat wire winding shaft 63 is coupled to the first bracket 61, and the flat wire winding shaft 63 is connected with a wire releasing motor 611; the second bracket 62 is connected with a rotating shaft 64 in a sliding manner, and a guide wheel 65 is coupled on the rotating shaft 64; the guide wheel 65 is connected with a balancing weight 68, the balancing weight 68 is connected to the second bracket 62 in a sliding manner, and a proximity switch 612 matched with the balancing weight 68 is arranged at the upper part and the lower part of the second bracket 62; the proximity switch 612 is wired or wirelessly connected to the pay-off motor 611.

The second bracket 62 comprises a base 66, an inverted U-shaped rod 67 is fixed on the base 66, two sides of the inverted U-shaped rod 67 are respectively connected with a balancing weight 68 in a sliding manner, and the balancing weight 68 is fixedly connected with the rotating shaft 64; a wire guide plate 613 is arranged between the balancing weights 68, and a wire guide hole 614 is formed on the wire guide plate 613; the outer side of the flat wire winding shaft 63 is connected with a rudder plate 69, and the inner side of the flat wire winding shaft is connected with a baffle 610.

Like this, when the flat wire send line mechanism 7 pulling flat wire, the flat wire drives wire guide plate 613, balancing weight 68 and leading wheel 65 go upward, balancing weight 68 is kept away from proximity switch 612, proximity switch sends the limit number for unwrapping wire motor 611, unwrapping wire motor 611 drives the rotatory unwrapping wire of flat copper wire spool 63 for balancing weight 68 falls to base 66 gradually and is close with proximity switch 612, proximity switch 612 sends the signal, make unwrapping wire motor 611 stall, if it is repeated, in order to guarantee that the flat copper wire is in the tensioning state, be convenient for subsequent alignment and going on of depainting procedure.

The flat wire straightening mechanism 5 comprises a mounting bottom plate 51, and a vertical straightening mechanism and a horizontal straightening mechanism are fixed on the mounting bottom plate 51; the vertical straightening mechanism and the horizontal straightening mechanism have the same structure; the vertical straightening mechanism and the horizontal straightening mechanism both comprise a mounting plate 52, at least two groups of sliding plate linear guide rails 53 are fixed on the mounting plate 52, the sliding plate linear guide rails 53 are connected with straightening wheel sliding plates 54 in a sliding manner, and a plurality of straightening wheels 55 are axially connected on the straightening wheel sliding plates 54; a straightening adjusting seam 56 is formed between the two straightening wheel sliding plates 54, a standard middle reference plate 57 is fixed at the tail end of the straightening adjusting seam 56, and a guide groove 58 is formed in the standard middle reference plate 57; an oblong hole 59 is formed in the mounting plate 52; a quick lock wrench 510 passes through the oblong hole 59 to fix the straightening wheel sliding plate 54; the fixing plates 511 are respectively fixed on two sides of the mounting plate 52, the fixing plates 511 are in threaded connection with a straightening wheel adjusting handle 512, and the straightening wheel adjusting handle 512 is connected with a digital display 513.

The flat wire straightening mechanism 5 is connected with a pre-straightening mechanism 514, the pre-straightening mechanism 514 comprises a pre-straightening mechanism mounting sleeve 515, spring cover plates 516 are fixed at the top and the bottom of the pre-straightening mechanism mounting sleeve 515, the spring cover plates 516 are in threaded connection with adjusting bolts 517, the adjusting bolts 517 penetrate through the spring cover plates 516, spring adjusting plates 518 are installed on the inner sides of the spring cover plates 516, bearing support frames 519 are installed on the inner sides of the spring adjusting plates 518, and pre-straightening bearings 520 are installed on the bearing support frames 519; a spring 521 is arranged between the spring adjusting plate 518 and the bearing support 519; long holes 522 are formed at two sides of the pre-straightening mechanism mounting sleeve 515; a wire protecting sleeve 523 is fixed on the wire inlet side of the pre-straightening mechanism mounting sleeve 515; the bottom of the pre-alignment mechanism mounting sleeve 515 is coupled to a wire-sliding nylon wheel 525 via a connection plate 524.

This allows the alignment roller slider plate 54 to be adjusted to grip the flat wire based on the width of the wide side and the width of the narrow side of the flat wire. And fine adjustment is achieved by alignment wheel adjustment handle 512 and first digital display 513.

The copying tool lossless coat removing mechanism 4 comprises coat removing fixing seats 41 at two ends, a coat scraping copper wire pressing cylinder 42 is mounted on each of the two coat removing fixing seats 41, and the coat scraping copper wire pressing cylinder 42 is connected with a coat removing pressing block 43; a linear guide rail 44 is arranged between the two enamel removing fixing seats 41; the linear guide rail 44 is connected with a wide-edge paint removing mechanism 45 and a narrow-edge paint removing mechanism 46 in a sliding manner; the wide-edge paint removing mechanism 45 and the narrow-edge paint removing mechanism 46 both comprise sliding seats 47 in sliding connection with the linear guide rails 44, the sliding seats 47 are connected with paint scraping moving cylinders 48, paint removing clamping mechanisms are mounted on the sliding seats 47, and each paint removing clamping mechanism comprises a gear 49 which is connected to the corresponding sliding seat 47 in a shaft connection mode; one side of the gear 49 is engaged with a paint scraping driving rack 410, and the other side is engaged with a paint scraping driven rack 411; the paint scraping driving rack 410 and the paint scraping driven rack 411 are both connected with a paint scraping knife mounting plate 435, and a paint removing knife 412 is fixed on the paint scraping knife mounting plate 435 through a paint scraping knife mounting cover 436; the paint scraping driving rack 410 is connected with a paint removing cylinder; the paint removing cylinder comprises a wide-edge paint scraping clamping cylinder 413 of a wide-edge paint removing mechanism 45 and a narrow-edge paint scraping clamping cylinder 4131 of a narrow-edge paint removing mechanism 46; a paint scraping copper cutting baffle 437 is arranged on the sliding seat 47 in a matching way with the paint removing cutter 412; a paint scraping copper wire guide plate 438 for the flat copper wire to pass through is fixed on each sliding seat 47.

The paint removing tool 412 comprises a wide-edge paint removing tool 414 and a narrow-edge paint removing tool 415; the sections of the wide-edge paint removing tool 414 and the narrow-edge paint removing tool 415 are quadrilateral, the wide-edge paint removing tool 414 and the narrow-edge paint removing tool 415 are arranged in a mode that the lower part is wide and the upper part is narrow, and sharp-edge chamfers 416 are formed at four corners; u-shaped paint removing grooves 417 are formed in the sides of the narrow-edge paint removing cutter 415, and the corners of the two sides of each U-shaped paint removing groove 417 are arc-shaped chamfers 418 matched with the flat copper wires; the outlet end of the U-shaped paint removal groove 417 is formed with a tapered opening 419;

a dust collecting box 420 is arranged below the broadside paint removing mechanism 45 and the narrow-side paint removing mechanism 46, a dust suction seat 421 is arranged above the end part of the dust collecting box 420, and the dust suction seat 421 is connected with the broadside paint removing mechanism 45 and the narrow-side paint removing mechanism 46 through a dust suction fixing plate 422; the dust suction base 421 is communicated with a dust suction opening 423, and a dust suction opening conversion cylinder 424 is installed on the dust suction opening 423.

The action flow is as follows: the paint scraping and pressing copper wire cylinder stretches out and presses the flat copper wire, the narrow side paint scraping and clamping cylinder clamps the narrow side of the flat copper wire, the paint scraping and moving cylinder pushes the paint scraping knife to move forward to scrape paint, the narrow side paint scraping and clamping cylinder is loosened about 1mm before the narrow side paint scraping and moving end point position, and the narrow side paint scraping and moving cylinder continues to move to the end point directly. The narrow-edge paint scraping cylinder clamps the flat copper wire again, and the narrow-edge paint scraping moving cylinder reversely pushes the paint scraping cutter to return to about 3mm, so that the burr removing narrow edge copper-containing wire arc angle is scraped to finish paint scraping. And repeating the actions by the wide-edge paint scraping mechanism to finish wide and flat paint scraping. Meanwhile, the collection of dust after paint removal can be realized, and the environment pollution is prevented.

In this way, the two sliding blocks on the linear guide rail move relatively, so that the precision and the stability of the multiple reciprocating motion of the cutter are ensured. The cylinder is adopted to push the driving cutter sliding block to move in a clamping manner, and a set of driven racks are designed to drive the other cutter to move oppositely, so that the aim of scraping paint and clamping is fulfilled; the design can ensure that the clamping force of the cutters at two sides is consistent; this design can compensate the defect of supplied materials automatically when the copper line remodelling and copper line thickness are inhomogeneous, need not operating personnel and adjusts equipment. The collection of waste residues is considered on the cutter mounting seat and the movement mechanism, so that the waste residues cannot be accumulated on the cutter and the paint scraping mechanism in the long-term use process, and the unified collection and the cleaning are facilitated. The flat wire feeding mechanism 7 comprises a motor 113, the motor 113 is connected with a threaded rod 103, and two sides of the threaded rod 103 are provided with sliding rods 104; the threaded rod 103 is in threaded connection with a wire clamping sliding seat 105, a wire clamping groove 106 and a wire clamping cylinder 107 are arranged on the wire clamping sliding seat 105, and the wire clamping sliding seat 105 is in sliding connection with the sliding rod 104; the hair clip profiling length equal positioning rotary wire cutting mechanism 1 comprises a rotary gear 109, a flat wire groove 110 is formed in the rotary gear 109, a vertical rack 111 is meshed with the rotary gear 109, and the vertical rack 111 is connected with a stretching cylinder 112.

The flat wire chamfering and primary cutting mechanism 3 comprises an oil cylinder mounting seat 31, a base 32 is fixed in the oil cylinder mounting seat 31, a lower cutter mounting seat 33 is fixed above the base 32, a lower cutter 34 is fixed on the lower cutter mounting seat 33, a front end plate 35 is fixed on the lower cutter 34, a rear end plate 36 is fixed at the other end of the lower cutter, a flat wire passing groove 37 is formed in the front end plate 35, and a flat wire passing hole 316 is formed in the rear end plate 36; an upper cutter 38 is arranged above the lower cutter 34, and the upper cutter 38 penetrates through a punching cutter 39; the punching knife 39 is connected with a punching knife fixing plate 310, the punching knife fixing plate 310 is connected with a chamfering die upper top plate 311, two ends of the chamfering die upper top plate 311 are connected with copper pipes 312, and the copper pipes 312 are slidably sleeved on the guide posts 313; the guide post 313 is fixed on the oil cylinder mounting seat 31 and is sleeved with a spring 314; the upper top plate 311 of the chamfering die is connected with a chamfering oil cylinder 315; the punching knife 39 is butterfly-shaped; an avoiding groove 317 is formed at the bottom of the punching knife 39; the lower cutter 34 and the upper cutter 38 are both provided with a cutting through hole 318, the middle part of the cutting through hole 318 of the lower cutter 34 is fixed with a pad strip 319 matched with the avoiding groove 317, and the middle part of the pad strip 319 is convexly provided with a conical bulge 320. Therefore, the flat wire feeding mechanism 7 moves for a fixed length each time, and the cut length of the flat wire is fixed. The flat wire then passes through the gap between the lower cutter 34 and the upper cutter 38, and the punching cutter 39 punches the flat wire out of the chamfer, but the flat wire is not broken due to the existence of the escape groove 317 and the filler strip 319, and the corresponding position becomes weak by the tapered protrusion 320 to form a break-off point. Therefore, the flat wire cannot be broken, the flat wire entering the hair clip profiling length equal positioning rotary wire breaking mechanism cannot shake due to vibration, and the situation that the flat wire pressed into the two sides of the hair clip profiling is not in preset specification due to shaking is avoided. The flat wire passes through the hairpin profiling forming and automatic blanking mechanism, the front end of the flat wire enters the hairpin profiling length equal positioning rotary wire breaking mechanism 1, the stretching cylinder 112 drives the rotary gear 109 to rotate ninety degrees through the vertical rack 111, and simultaneously drives the flat wire to rotate ninety degrees, so that the flat wire is broken from the easy breaking point, and the wide surface of the flat wire is aligned with the forming die.

The hairpin profiling and automatic blanking mechanism 2 comprises a rack 21, wherein baffles 22 are fixed on two sides of the rack 21, and through holes for flat wires to pass through are formed in the baffles 22; a flat wire rotating structure 102 is arranged on one baffle 22; a horizontally arranged die forming oil cylinder 23 is arranged on the inner side of the frame 21, and the die forming oil cylinder 23 is detachably connected with a forming die 24 through a bolt; the end is formed with a conical punch 211; a first material beating cylinder 26 which is arranged obliquely downwards is arranged on one side of the frame 21, the first material beating cylinder 26 is positioned above the die forming oil cylinder 23, and a second material beating cylinder 213 is arranged on the other side of the frame.

A female die 27 is arranged at the discharge end of the frame 21, and a male die 28 is arranged above the female die 27; a U-shaped pressing die 29 is arranged above the forming punch die 24, and the male die 28 and the pressing die 29 are both connected with a lower pressing oil cylinder 210; protection bosses 212 are convexly formed on two sides of the forming die 24, and grooves 25 matched with the flat wires are concavely formed on the inner sides of the protection bosses 212.

The utility model discloses application method as follows:

the flat wire is coiled on the automatic wire pre-feeding mechanism 6, the flat wire feeding mechanism 7 clamps the flat wire to move, the straightened and depainted flat wire is conveyed to the card sending profiling and automatic blanking mechanism 2, in the process, the flat wire pulls up the guide wheel 65, the proximity switch 612 and the balancing weight 68 are separated, then the wire feeding motor 611 starts the wire feeding, when the wire feeding motor 611 continues to rotate to feed the wire to reach the wire feeding buffering length after the flat wire feeding mechanism 7 feeds the wire in place, the balancing weight 68 freely falls down to return, at the moment, the proximity switch 612 is close to the balancing weight 68, and the wire feeding motor 611 stops rotating to feed the wire. After the flat wire is conveyed to the hairpin profiling and automatic blanking mechanism 2, the flat wire passes through the flat wire groove 110 of the flat wire rotating structure 102, then the stretching cylinder 112 acts, the flat wire groove 110 drives the flat wire to rotate ninety degrees through a gear and a rack, the flat wire is simultaneously unscrewed, then the stamping die forming cylinder 23 pushes the forming stamping die 24 to move to punch the flat wire into a hairpin shape, the pressing cylinder 210 drives the male die 28 and the stamping die 29 to press downwards, the stamping surface is pressed and formed through the female die 27 and the male die 28, the stamping die 29 and the protection boss 212 form limiting protection, then the pressing cylinder 210 retracts with the stamping die forming cylinder 23, and the first blanking cylinder 26 and the second blanking cylinder 213 act in sequence to push the hairpin-shaped flat wire down to a collection frame or a collection rod.

The above-mentioned is only a concrete direction embodiment of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this design right the utility model discloses carry out immaterial change, all should belong to the action of infringing the scope of protection of the utility model.

Claims

1. A hairpin profiling forming and automatic blanking mechanism of a flat wire automatic off-line forming machine is characterized by comprising a rack (21), wherein two sides of the rack (21) are fixed with baffle plates (22), and the baffle plates (22) are respectively provided with a through hole for the flat wire to pass through; one baffle (22) is provided with a flat wire rotating structure (102); a horizontally arranged die forming device is arranged on the inner side of the frame (21), and the die forming device is connected with a forming die (24); a first material beating device which is arranged obliquely downwards is arranged on one side of the frame (21), the first material beating device is positioned above the die forming device, and a second material beating device is arranged on the other side of the frame.

2. The automatic flat wire inserting molding machine hairpin profiling and automatic blanking mechanism of claim 1 wherein the first knockout cylinder (26) and the second knockout cylinder (213) are provided as the first knockout cylinder and the second knockout cylinder respectively.

3. The automatic flat wire inserting and molding machine of the card-issuing profiling and automatic blanking mechanism according to claim 1, wherein the die-molding device is a die-molding cylinder (23), and the die-molding cylinder (23) is detachably connected with the molding die (24) through a bolt.

4. The automatic flat wire off-line forming machine with card-issuing profiling and automatic blanking mechanism of claim 3, characterized in that the end of the forming die (24) is formed with a conical punch (211).

5. The automatic flat wire inserting molding machine of the card-issuing profiling and automatic blanking mechanism according to claim 1 is characterized in that a female die (27) is installed at the discharging end of the frame (21), and a male die (28) is installed above the female die (27); a U-shaped pressing die (29) is arranged above the forming punch die (24), and the male die (28) and the pressing die (29) are both connected with a pressing oil cylinder (210).

6. The mechanism of claim 1, wherein the forming die (24) is provided with two protruding protection bosses (212), and the protection bosses (212) are recessed inside to form a groove (25) matching with the flat wire.