CN112888296B

CN112888296B - Vertical braiding feeder

Info

Publication number: CN112888296B
Application number: CN202110116364.6A
Authority: CN
Inventors: 李杰林
Original assignee: Foshan Chiheng Automation Technology Co ltd
Current assignee: Foshan Chiheng Automation Technology Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2024-06-07
Anticipated expiration: 2041-01-28
Also published as: CN112888296A

Abstract

The invention belongs to the technical field of feeding equipment, and particularly discloses a vertical braid feeder which comprises a base frame, a conduction band unit and a feeding component, wherein the feeding component is distributed in the middle of a U-shaped feeding area and is positioned behind the conduction band unit, the feeding component comprises two pushing connecting plates and a driving mechanism A for driving the two pushing connecting plates to move relatively, hooks for pushing braids to move along the U-shaped feeding area are arranged at the upper ends of the two pushing connecting plates, the hooks are rotationally connected with the pushing connecting plates, torsion springs are arranged at the rotating connection positions, one ends of the torsion springs are buckled on the hooks, and the other ends of the torsion springs are buckled on the pushing connecting plates, so that the equipment can drive braids to move in the U-shaped feeding area through a simple component, the problem of shell blocking in the feeding process is solved, manual intervention and adjustment are reduced, the production efficiency and the degree of automation are greatly improved, and the requirements of industrial production are met.

Description

Vertical braiding feeder

Technical Field

The invention relates to the technical field of feeding equipment, in particular to a vertical braid feeder.

Background

At present, in the electronic field, the produced components are basically fixed by braids, and the PCB is the place where the components are most concentrated. Before the components are inserted into the PCB board by the inserter, the components need to be separated from the braid so that the components are picked up by the inserter.

The internal structure of the feeding equipment in the prior art is relatively complex, the braid is easy to be blocked in the production process in the feeding process, manual intervention and adjustment are needed, the efficiency is low, the automation degree is low, and the requirement of industrial mass production is difficult to be met; meanwhile, as a plurality of components are arranged in the equipment, the structure is relatively complex, the occupied space of the equipment is large, and the market demand of miniaturization of the equipment is difficult to meet.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a vertical braid feeder, which solves the problems that the internal structure of feeding equipment is complex, the production efficiency and the automation degree are low, and the requirement of mass production cannot be met in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the vertical braiding feeder comprises a base frame, wherein a U-shaped feeding area for braiding movement is formed at the periphery of the base frame, a feeding hole and a discharging hole are formed in the U-shaped feeding area, and the feeding hole and the discharging hole are arranged at one end of the base frame in parallel;

The guide belt unit is positioned at the feed inlet of the U-shaped feeding area and comprises a guide belt wheel for adjusting the gradient of the braid, and the guide belt wheel is in a frustum shape and is rotationally connected with the base frame;

The feeding assembly is distributed in the middle of the U-shaped feeding area and located behind the conduction band unit, the feeding assembly comprises two pushing connecting plates and a driving mechanism A used for driving the two pushing connecting plates to move relatively, hooks used for pushing the braiding belt to move along the U-shaped feeding area are arranged at the upper ends of the two pushing connecting plates, the hooks are located between the base frame and the braiding belt, the pushing connecting plates are located on two sides of the base frame, the hooks are connected with the pushing connecting plates in a rotating mode, torsion springs are arranged at the positions of the rotating connection portions, one ends of the torsion springs are buckled on the hooks, and the other ends of the torsion springs are buckled on the pushing connecting plates.

Preferably, the hook is provided with a hook part for hooking the braiding belt hole and a clamping part for limiting the rotation of the hook, the hook part and the clamping part are respectively positioned at two ends of the hook, and one side of the hook part, which is close to the clamping part, is provided with an inclined plane.

Preferably, a sliding block is arranged on one side of the pushing connection plate, which is close to the base frame, a sliding rail corresponding to the sliding block is arranged on the base frame, and the pushing connection plate is connected to the base frame in a sliding manner through the sliding block.

Preferably, the driving mechanism a comprises a synchronous belt and a stepping motor a for driving the synchronous belt to rotate back and forth, and the lower ends of the two pushing connection plates are fixedly connected with two sides of the synchronous belt respectively.

Preferably, the feeding assembly further comprises a spring piece, one end of the spring piece is fixedly connected with the base frame, and the other end of the spring piece abuts against the braid.

Preferably, the cutter comprises a cutter assembly, the cutter assembly is distributed on one side of the U-shaped feeding area, which is far away from the conduction band unit, and is positioned behind the feeding assembly, the cutter assembly comprises a fixed cutter B and a movable cutter B, the cutter assembly comprises a cutter fixing seat B for fixing the movable cutter B and a driving mechanism B for driving the movable cutter B to approach or far away from the fixed cutter B, the driving mechanism B comprises a stepping motor B and a cam shaft B arranged on an output shaft of the stepping motor B, a ball bearing B is sleeved on the cam shaft B, and the bottom end of the cutter fixing seat B is sleeved on the ball bearing B through a through hole B.

Preferably, the through hole B is an upright bar-shaped through hole.

Preferably, the belt cutting device further comprises a belt cutting assembly, the belt cutting assembly is distributed at the discharge hole, the belt cutting assembly comprises a fixed cutter C and a movable cutter C, the belt cutting assembly comprises a cutter fixing seat C for fixing the movable cutter C and a driving mechanism C for driving the movable cutter C to rotate, the driving mechanism C comprises a stepping motor C and a cam shaft C arranged on an output shaft of the stepping motor C, a ball bearing C is sleeved on the cam shaft C, the upper end of the cutter fixing seat C is sleeved on the ball bearing C through a through hole C, and the lower end of the cutter fixing seat C is rotationally connected with the base frame.

Preferably, the through hole C is an upright bar-shaped through hole.

Preferably, support plates for supporting the braiding belt are arranged on two sides of the base frame, and the support plates are located below the braiding belt.

The beneficial effects of the invention are as follows:

1. The feeding area adopts a U-shaped design, and the upright angle of the braid is adjusted through the conduction band unit, so that the braid can enter the U-shaped feeding area more smoothly; the driving mechanism drives the hooks to relatively move on two sides of the base frame, the hooks are matched with the torsion springs, so that the equipment can drive the braid to move in the U-shaped feeding area through a simple assembly, the problem of shell clamping in the feeding process is solved, manual intervention and adjustment are reduced, the production efficiency and the automation degree are greatly improved, and the requirements of industrial production are met.

2. The equipment internal structure is simple, and the required subassembly is few, and equipment occupation space is little, can satisfy the miniaturized demand of equipment, and simultaneously, the maintenance is also more convenient, reduces the influence of equipment trouble to production.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of the internal components (with parts omitted) of an embodiment of the present invention;

FIG. 3 is a top view (with parts omitted) of an embodiment of the present invention;

FIG. 4 is a perspective view of a feed assembly according to an embodiment of the invention;

FIG. 5 is a top view of a feed assembly according to an embodiment of the invention;

FIG. 6 is a perspective view showing a connection state of a pushing connection plate and a hook in the embodiment of the invention;

FIG. 7 is a perspective view of a hanger in an embodiment of the present invention;

FIG. 8 is a top view of a hanger in an embodiment of the present invention;

FIG. 9 is a perspective view of a foot cutting assembly according to an embodiment of the present invention;

fig. 10 is a perspective view of a cutter holder B according to an embodiment of the present invention;

FIG. 11 is a perspective view showing a state where the cam shaft B is connected with the ball bearing B in the embodiment of the present invention;

FIG. 12 is a perspective view of a camshaft B according to an embodiment of the present invention;

FIG. 13 is a perspective view of a tape cutting assembly according to an embodiment of the present invention;

Fig. 14 is a perspective view showing a state where the cam shaft C is connected to the ball bearing C in the embodiment of the present invention;

fig. 15 is a perspective view of a cam shaft C according to an embodiment of the present invention.

In the figure:

1-a base frame and 11-a supporting plate;

2-U-shaped feeding area, 21-feeding port, 22-discharging port;

3-a conduction band unit, 31-a conduction band wheel;

4-feeding components, 41-hooks, 411-hooks, 412-inclined planes, 413-clamping parts, 42-pushing connecting plates, 43-torsion springs, 44-elastic sheets, 45-driving mechanisms A, 451-synchronous belts and 452-stepping motors A;

5-foot cutting components, 51-fixed cutters B, 52-movable cutters B, 53-cutter fixing seats B, 531-through holes B; 54-a driving mechanism B, 541-a stepping motor B, 542-a cam shaft B, 543-a ball bearing B;

6-belt cutting components, 61-fixed cutters C, 62-movable cutters C, 63-cutter fixing seats C, 631-through holes C; 64-drive mechanism C, 641-stepper motor C, 642-camshaft C, 643-ball bearing C;

7-braiding.

Detailed Description

The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Examples

As shown in fig. 1-6, the vertical braid feeder provided by the invention comprises a base frame 1, wherein a U-shaped feeding area 2 for moving a braid 7 is formed at the periphery of the base frame 1, the U-shaped feeding area 2 is provided with a feeding port 21 and a discharging port 22, and the feeding port 21 and the discharging port 22 are arranged at one end of the base frame 1 in parallel; the two sides of the base frame 1 are provided with supporting plates 11 for supporting the braiding belt 7, the supporting plates 11 are positioned below the braiding belt 7, and the braiding belt 7 is supported when the feeding assembly 4 feeds materials so that the braiding belt 7 can move in the U-shaped feeding area 2.

The conduction band unit 3, conduction band unit 3 is located the feed inlet 21 department of U-shaped pay-off district 2, and conduction band unit 3 includes the conduction band pulley 31 that is used for adjusting braid 7 gradient, and conduction band pulley 31 is the frustum form and rotates with bed frame 1 to be connected.

The braid 7 with components enters from the inlet 21, and when the feeding is completed, the components are taken up by the inserter, and then the empty tape exits from the outlet 22. The guide pulley 31 is the frustum form and sets up in feed inlet 21 department, through the inclined plane 412 on the guide pulley 31 that is the frustum form for the braid 7 that has components and parts can support on guide pulley 31 along inclined plane 412 with certain gradient, and is more smooth and easy when getting into the feed inlet, the follow-up feeding subassembly of being convenient for promotes the braid and removes.

The feeding assembly 4 is distributed in the middle of the U-shaped feeding area 2 and is positioned behind the conduction band unit 3, the feeding assembly 4 comprises two pushing connecting plates 42 and a driving mechanism A45 for driving the two pushing connecting plates 42 to move relatively, the driving mechanism A45 comprises a synchronous belt 451 and a stepping motor A452 for driving the synchronous belt 451 to rotate back and forth, and the lower ends of the two pushing connecting plates 42 are fixedly connected with two sides of the synchronous belt 451 respectively; the upper ends of the two pushing connection plates 42 are respectively provided with a hook 41 for pushing the braid 7 to move along the U-shaped feeding area 2, the hooks 41 are positioned between the base frame 1 and the braid 7, the pushing connection plates 42 are positioned at two sides of the base frame 1, the hooks 41 are rotationally connected with the pushing connection plates 42, torsion springs 43 are arranged at the rotationally connected positions, one ends of the torsion springs 43 are buckled on the hooks 41, and the other ends of the torsion springs 43 are buckled on the pushing connection plates 42; the feeding assembly 4 further comprises a spring 44, one end of the spring 44 is fixedly connected with the base frame 1, and the other end of the spring 44 abuts against the braid 7. Through the cooperation of actuating mechanism and couple, drive the braid and remove in U-shaped pay-off district, solve the braid card shell problem in the pay-off process, degree of automation is high.

It should be noted that, the driving mechanism a45 is located below the hook 41, and the stepper motor a452 drives the synchronous belt 451 to rotate back and forth to drive the two pushing connection plates 42 to move relatively, so as to drive the hook 41 on the two pushing connection plates 42 to move relatively in the U-shaped feeding area 2, and the hook 41 is inserted into a feeding hole on the braid 7, so that the braid 7 can move in the U-shaped feeding area 2. Meanwhile, the two pushing connection plates are provided with sliding blocks on one side close to the base frame 1, the upper end face and the side face of the base frame 1 are provided with sliding rails corresponding to the sliding blocks, and the two pushing connection plates 42 are connected to the base frame 1 in a sliding manner through the sliding blocks. Such setting makes the occupation space of whole device littleer on the one hand, on the other hand makes actuating mechanism A45 promote the braid 7 at drive couple 41 and follows the in-process that U-shaped pay-off district 2 removed, and overall structure is more stable, and the couple is difficult to appear rocking, and the cooperation between couple and the braid is accurate, further reduces the condition that appears the braid card shell.

Of course, the pushing connection board 42 is provided with a light shielding sheet, and the base frame 1 is provided with a sensor for receiving information of the light shielding sheet. When the sensor senses the anti-dazzling screen, feeding is in place, the driving mechanism A45 stops rotating, then the driving mechanism A45 rotates in the opposite direction, each part is reset, the reset distance is fixed, the two pushing connection plates 42 are driven to move relatively in opposite directions, and accordingly the hooks 41 on the two pushing connection plates 42 move relatively between the base frame 1 and the braid 7 to push the braid 7 to move.

As shown in fig. 6 to 8, further details, a hook portion 411 for hooking a material hole of the braid 7 and a clamping portion 413 for limiting rotation of the hook 41 are arranged on the hook 41, the hook portion 411 and the clamping portion 413 are respectively located at two ends of the hook 41, and an inclined surface 412 is arranged on one side, close to the clamping portion 413, of the hook portion 411. When the hooks 41 push the braid 7 to move, the hooks 411 are clamped in the holes of the braid 7, the clamping parts 413 are clamped on the pushing connecting plates 42, the hooks 411 are abutted against the holes of the braid 7 relative to one side of the inclined plane 412, so that the braid 7 is pushed to move, and at the moment, the elastic sheets 44 do not limit the braid 7 to move; when feeding is in place, the hook 41 is reset, at this time, one side of the hook 411 provided with the inclined plane 412 is abutted against the inside of the material hole of the braid 7, and the elastic sheet 44 further presses the braid 7 to prevent the braid 7 from moving when the hook 41 is reset. Under the action of the reverse movement of the hook 41 and the braid 7, the hook 41 rotates to the side far away from the braid 7, and the hook 411 is separated from the material hole of the braid 7, so that the braid 7 is prevented from being pulled back when the hook 41 is reset. At the same time, the torsion spring 43 presses the hook 41 to approach the braid 7, so that the hook 411 is clamped in the material hole of the next braid 7, the clamping part 413 is clamped on the pushing connection plate 42 again, and the hook 41 pushes the braid 7 to move again. The ingenious design of hook portion, inclined plane and screens portion on the couple, cooperation torsion spring for the pay-off process can be accomplished to the high efficiency to the pay-off subassembly, promotes the braid removal, reduces manual intervention, improves production efficiency.

Next, as shown in fig. 9 to 12, the cutter assembly 5 is further included, and the cutter assembly 5 is distributed on one side of the U-shaped feeding area 2 away from the conduction band unit 3 and is located behind the feeding assembly 4. The pin cutting assembly 5 is mainly used for cutting pins of components on the braid 7 conveyed by the feeding assembly 4, and the components are separated from the braid 7 after the pins are cut off and further taken up by the component inserter and inserted onto the circuit board. The foot cutting assembly 5 comprises a fixed cutter B51, a movable cutter B52, a cutter fixing seat B53 for fixing the movable cutter B52 and a driving mechanism B54 for driving the movable cutter B52 to approach or depart from the fixed cutter B51, wherein the driving mechanism B54 is positioned below the cutter fixing seat B53, the driving mechanism B54 comprises a stepping motor B541 and a cam shaft B542 arranged on an output shaft of the stepping motor B541, a ball bearing B543 is sleeved on the cam shaft B542, the bottom end of the cutter fixing seat B53 is sleeved on the ball bearing B543 through a through hole B531, and the through hole B531 is a vertical strip-shaped through hole.

Specifically, when the stepping motor B541 is driven, the cam collar rotates around the output shaft of the stepping motor B541, and since the through hole B531 at the bottom end of the cutter fixing seat B53 is a vertical bar-shaped through hole, the cam shaft can only push the cutter fixing seat B53 to move horizontally, so that the movable cutter B52 approaches or separates from the fixed cutter B51. Of course, the bottom of the cutter fixing seat B53 is provided with a sliding block, and the base frame 1 is provided with a sliding rail at a corresponding position, so that the stepping motor B541 has a more stable structure and a better foot cutting effect when pushing the cutter fixing seat B53 to horizontally move. Meanwhile, the corner cutting assembly 5 is simple in structure and small in occupied equipment space.

In addition, as shown in fig. 13-15, the device further comprises a tape cutting assembly 6, the tape cutting assembly 6 is distributed at the discharge hole 22, and the tape cutting assembly 6 is mainly used for cutting the blank braid 7 with cut feet into small blocks with a certain length, so that the braid 7 can be conveniently recovered. The belt cutting assembly 6 comprises a fixed cutter C61, a movable cutter C62, a cutter fixing seat C63 for fixing the movable cutter C62 and a driving mechanism C64 for driving the movable cutter C62 to rotate, wherein the driving mechanism C64 comprises a stepping motor C641 and a cam shaft C642 arranged on an output shaft of the stepping motor C641, a ball bearing C643 is sleeved on the cam shaft C642, the upper end of the cutter fixing seat C63 is sleeved on the ball bearing C643 through a through hole C631, the lower end of the cutter fixing seat C63 is rotationally connected with the base frame 1, and the through hole C631 is a vertical strip-shaped through hole.

It should be noted that, since the through holes of the cutter fixing seat C63 and the cutter fixing seat B53 sleeved on the output shaft of the stepper motor are all vertical bar-shaped through holes, that is, the manner in which the stepper motor C641 drives the cam shaft C642 is consistent with the manner in which the stepper motor B541 drives the cam shaft B542, the cutter fixing seat is horizontally moved. The difference lies in that cutter fixing base C63 lower extreme still rotates with bed frame 1 to be connected, and step motor C641 is when driving camshaft C642 like this, and cutter fixing base C63 is whole to rotate round rotating junction, drives simultaneously and moves cutter C62 rotation, realizes rotary type and cuts, cuts the effect better. Meanwhile, the belt cutting assembly 6 is simple in structure and small in occupied equipment space.

The feeding area adopts a U-shaped design, and the upright angle of the braid is adjusted through the conduction band unit, so that the braid can enter the U-shaped feeding area more smoothly; the driving mechanism drives the hooks to relatively move on two sides of the base frame, the hooks are matched with the torsion springs, so that the equipment can drive the braid to move in the U-shaped feeding area through a simple assembly, the problem of shell clamping in the feeding process is solved, manual intervention and adjustment are reduced, the production efficiency and the automation degree are greatly improved, and the requirements of industrial production are met.

Meanwhile, the equipment is simple in internal structure, few in required components and small in occupied space, the requirement of equipment miniaturization can be met, meanwhile, maintenance is convenient, and the influence of equipment faults on production is reduced.

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, and yet fall within the scope of the invention.

Claims

1. A vertical braid feeder comprising:

The feeding device comprises a base frame (1), wherein a U-shaped feeding area (2) for moving a braid (7) is formed at the periphery of the base frame (1), the U-shaped feeding area (2) is provided with a feeding hole (21) and a discharging hole (22), and the feeding hole (21) and the discharging hole (22) are arranged at one end of the base frame (1) in parallel;

The guide belt unit (3), the guide belt unit (3) is located at a feed port (21) of the U-shaped feeding area (2), the guide belt unit (3) comprises a guide belt wheel (31) for adjusting the inclination of the braiding (7), and the guide belt wheel (31) is in a frustum shape and is rotationally connected with the base frame (1);

The feeding assembly (4), feeding assembly (4) distribute in U-shaped pay-off district (2) middle part to be located conduction band unit (3) rear, feeding assembly (4) include two push away material connecting plate (42) and be used for driving two push away material connecting plate (42) relative movement's actuating mechanism A (45), two push away material connecting plate (42) upper ends all are equipped with and are used for promoting braid (7) along U-shaped pay-off district (2) removal couple (41), couple (41) are located between bed frame (1) and braid (7), push away material connecting plate (42) are located bed frame (1) both sides, couple (41) with push away material connecting plate (42) rotation and rotation junction and be equipped with torsion spring (43), torsion spring (43) one end buckle in couple (41) and torsion spring (43) other end buckle in push away material connecting plate (42);

the hook (41) is provided with a hook part (411) for hooking a braid (7) material hole and a clamping part (413) for limiting the rotation of the hook (41), the hook part (411) and the clamping part (413) are respectively positioned at two ends of the hook (41), and one side, close to the clamping part (413), of the hook part (411) is provided with an inclined plane (412);

The driving mechanism A (45) comprises a synchronous belt (451) and a stepping motor A (452) used for driving the synchronous belt (451) to rotate back and forth, and the lower ends of the two pushing connection plates (42) are respectively and fixedly connected with two sides of the synchronous belt (451).

2. A vertical braid feeder as claimed in claim 1, wherein: the feeding assembly (4) further comprises an elastic piece (44), one end of the elastic piece (44) is fixedly connected with the base frame (1), and the other end of the elastic piece (44) abuts against the braid (7).

3. A vertical braid feeder as claimed in claim 1, wherein: still include cutting foot subassembly (5), it is in to cut foot subassembly (5) distribution U-shaped pay-off district (2) keep away from one side of conduction band unit (3), and be located pay-off subassembly (4) rear, it includes and decides cutter B (51) and moves cutter B (52) to cut foot subassembly (5), and including being used for fixing move cutter B (52) cutter fixing base B (53) and be used for the drive move cutter B (52) to decide cutter B (51) be close to or drive mechanism B (54) that keep away from, drive mechanism B (54) include step motor B (541) and set up camshaft B (542) on step motor B (541) output shaft, the cover is equipped with ball bearing B (543) on camshaft B (542), cutter fixing base B (53) bottom is established through-hole B (531) cover on ball bearing B (543).

4. A vertical braid feeder as claimed in claim 3, characterized in that: the through holes B (531) are vertical strip-shaped through holes.

5. A vertical braid feeder as claimed in claim 1, wherein: still include cutting area subassembly (6), cut area subassembly (6) distribute in discharge gate (22) department, cut area subassembly (6) including decide cutter C (61) and move cutter C (62), and including being used for fixing move cutter fixing base C (63) of cutter C (62) and be used for the drive move rotatory actuating mechanism C (64) of cutter C (62), actuating mechanism C (64) include step motor C (641) and set up camshaft C (642) on step motor C (641) output shaft, the cover is equipped with ball bearing C (643) on camshaft C (642), cutter fixing base C (63) upper end is established through-hole C (631) cover on ball bearing C (643) and cutter fixing base C (63) lower extreme with pedestal (1) rotate and are connected.

6. A vertical braid feeder as claimed in claim 5, wherein: the through hole C (631) is an upright bar-shaped through hole.

7. A vertical braid feeder as claimed in claim 1, wherein: the two sides of the base frame (1) are provided with supporting plates (11) for supporting the braiding belt (7), and the supporting plates (11) are positioned below the braiding belt (7).