CN112888296A

CN112888296A - Vertical braid feeder

Info

Publication number: CN112888296A
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: 2021-06-01
Anticipated expiration: 2041-01-28
Also published as: CN112888296B

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 feeding components, wherein the feeding components are 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, the upper ends of the two pushing connecting plates are respectively provided with a hook for pushing the braided belt to move along the U-shaped feeding area, the hook is rotationally connected with the pushing connecting plates, a torsional spring is arranged at the rotational connection position, one end of the torsional spring is buckled on the hook, the other end of the torsional spring is buckled on the pushing connecting plates, the device can drive the braid to move in the U-shaped feeding area through a simple component, so that 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 requirement of industrial production is met.

Description

Vertical braid 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, produced components are basically fixed by braids, and a PCB is the most concentrated place of the components. Before the components are inserted into the PCB board by the component inserter, the components need to be separated from the tape so that the components can be picked up by the component inserter.

The feeding equipment in the prior art has a relatively complex internal structure, and during feeding, a braid is easy to clamp in a production process and needs manual intervention and adjustment, so that the efficiency is low, the automation degree is low, and the requirement of industrial mass production is difficult to meet; meanwhile, as the number of internal components of the equipment is large, 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 problem that the mass production requirements cannot be met due to the fact that the feeding equipment is complex in internal structure and low in production efficiency and automation degree in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: a vertical braid feeder comprises a base frame, wherein a U-shaped feeding area for braid movement is formed on 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 a feed inlet of the U-shaped feeding area and comprises a guide belt wheel for adjusting the inclination of the braided belt, and the guide belt wheel is frustum-shaped and is rotationally connected with the base frame;

the feeding component is distributed in the middle of the U-shaped feeding area and located behind the conduction band unit, the feeding component 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 braid 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 braid, the pushing connecting plates are located on two sides of the base frame, the hooks are rotationally connected with the pushing connecting plates and provided with torsion springs at rotational 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.

Preferably, the hook is provided with a hook portion for hooking the braid material hole and a clamping portion for limiting the rotation of the hook, the hook portion and the clamping portion are respectively located at two ends of the hook, and an inclined surface is arranged on one side of the hook portion, which is close to the clamping portion.

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

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

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

Preferably, the cutting device further comprises a cutting foot component, the cutting foot component is distributed on one side, far away from the conduction band unit, of the U-shaped feeding area and is located behind the feeding component, the cutting foot component comprises a fixed cutter B, a movable cutter B, a cutter fixing seat B used for fixing the movable cutter B and a driving mechanism B used for driving the movable cutter B to be close to 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 a vertical strip-shaped through hole.

Preferably, the belt cutting assembly is further included, the belt cutting assembly is distributed at the discharge port, the belt cutting assembly comprises a fixed cutter C and a movable cutter C, the belt cutting assembly comprises a cutter fixing seat C used for fixing the movable cutter C and a driving mechanism C used 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 rotatably connected with the base frame.

Preferably, the through hole C is a vertical strip-shaped through hole.

Preferably, the two sides of the base frame are provided with support plates for supporting the braid, and the support plates are positioned below the braid.

The invention has the beneficial effects that:

1. the feeding area is designed in a U shape, and the vertical angle of the braid is adjusted through the conduction band unit, so that the braid is smoother when entering the U-shaped feeding area; the driving mechanism drives the hook to move relatively on two sides of the base frame, and the hook is matched with the torsion spring, so that the equipment can drive the braid to move in a 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 requirement of industrial production is met.

2. The equipment has the advantages of simple internal structure, few required components, small equipment occupation space, capability of meeting the requirement of equipment miniaturization, convenience in maintenance and reduction of the influence of equipment faults on production.

Drawings

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

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

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

FIG. 4 is a perspective view of a feed assembly in an embodiment of the present invention;

FIG. 5 is a top view of a feed assembly in an embodiment of the present invention;

FIG. 6 is a perspective view of the connection state of the pushing connecting plate and the 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 cutting foot assembly in 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 a camshaft B and a ball bearing B are coupled in the embodiment of the present invention;

FIG. 12 is a perspective view of a camshaft B in the embodiment of the present invention;

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

FIG. 14 is a perspective view showing a state where a camshaft C is coupled to a ball bearing C in the embodiment of the present invention;

fig. 15 is a perspective view of a camshaft C in the embodiment of the invention.

In the figure:

1-pedestal, 11-support plate;

2-U-shaped feeding area, 21-feeding hole and 22-discharging hole;

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

4-feeding component, 41-hook, 411-hook part, 412-inclined surface, 413-clamping part, 42-pushing connecting plate, 43-torsion spring, 44-elastic piece, 45-driving mechanism A, 451-synchronous belt and 452-stepping motor A;

5-a pin cutting assembly, 51-a fixed cutter B, 52-a movable cutter B, 53-a cutter fixing seat B, 531-a through hole B; 54-driving mechanism B, 541-stepping motor B, 542-camshaft B, 543-ball bearing B;

6-a belt cutting assembly, 61-a fixed cutter C, 62-a movable cutter C, 63-a cutter fixing seat C, 631-a through hole C; 64-drive mechanism C, 641-stepper motor C, 642-camshaft C, 643-ball bearing C;

7-braiding.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Examples

As shown in the accompanying drawings 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 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 two sides of the base frame 1 are provided with support plates 11 for supporting the braids 7, the support plates 11 are positioned below the braids 7, and when the feeding assembly 4 feeds materials, the support plates support the braids 7 so that the braids 7 can move in the U-shaped feeding area 2.

The guide belt unit 3 is located at the feed inlet 21 of the U-shaped feeding area 2, the guide belt unit 3 comprises a guide belt wheel 31 used for adjusting the inclination of the braid 7, and the guide belt wheel 31 is frustum-shaped and is rotatably connected with the base frame 1.

Note that the tape 7 with the components enters from the feeding port 21, and when the feeding is completed, the components are picked up by the component inserter, and then the empty tape comes out from the discharging port 22. The guide pulley 31 is frustum-shaped and is arranged at the feed port 21, and the inclined plane 412 on the guide pulley 31 is frustum-shaped, so that the braid 7 with components can be supported on the guide pulley 31 along the inclined plane 412 at a certain inclination, and the braid is smoother when entering the feed port, and is convenient for a subsequent feeding assembly to push the braid to move.

The feeding component 4 is distributed in the middle of the U-shaped feeding area 2 and is positioned behind the belt guiding unit 3, the feeding component 4 comprises two material pushing connecting plates 42 and a driving mechanism A45 for driving the two material 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 material pushing connecting plates 42 are fixedly connected with the two sides of the synchronous belt 451 respectively; the upper ends of the two pushing connecting plates 42 are respectively provided with a hook 41 for pushing the braid 7 to move along the U-shaped feeding area 2, the hook 41 is positioned between the base frame 1 and the braid 7, the pushing connecting plates 42 are positioned on two sides of the base frame 1, the hook 41 is rotatably connected with the pushing connecting plates 42, a torsion spring 43 is arranged at the rotary connection position, one end of the torsion spring 43 is buckled on the hook 41, and the other end of the torsion spring 43 is buckled on the pushing connecting plates 42; the feeding assembly 4 further comprises a spring sheet 44, one end of the spring sheet 44 is fixedly connected with the base frame 1, and the other end of the spring sheet 44 abuts against the braid 7. Through the mutual cooperation of actuating mechanism and couple, drive the braid and distinguish the removal at the U-shaped pay-off, solve the braid card shell problem of pay-off in-process, degree of automation is high.

It should be noted that the driving mechanism a45 is located below the hook 41, the stepping motor a452 drives the synchronous belt 451 to rotate back and forth, so as to drive the two pushing connecting plates 42 to move relatively, further drive the hooks 41 on the two pushing connecting plates 42 to move relatively in the U-shaped feeding area 2, and the hooks 41 are inserted into the material holes on the braid 7, so that the braid 7 can move in the U-shaped feeding area 2. Meanwhile, the sliding blocks are arranged on one sides of the two material pushing connecting plates close to the base frame 1, the sliding rails corresponding to the sliding blocks are arranged on the upper end face and the side face of the base frame 1, and the two material pushing connecting plates 42 are connected to the base frame 1 in a sliding mode through the sliding blocks. Such setting makes the occupation space of whole device littleer on the one hand, and on the other hand makes actuating mechanism A45 promote the in-process that braid 7 removed along U-shaped pay-off district 2 at drive couple 41, 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 the braid card shell appears.

Of course, the material pushing connecting plate 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 light shielding sheet, feeding is in place, the driving mechanism A45 stops rotating, then the driving mechanism A45 rotates in the opposite direction, so that all the parts are reset, the reset distance is fixed, the two pushing connecting plates 42 are driven to move oppositely in the opposite directions, the hooks 41 on the two pushing connecting plates 42 move relatively between the base frame 1 and the braid 7, and the braid 7 is pushed to move.

As shown in fig. 6 to 8, it is further detailed that the hook 41 is provided with a hook portion 411 for hooking the material hole of the braid 7 and a blocking portion 413 for limiting the rotation of the hook 41, the hook portion 411 and the blocking portion 413 are respectively located at two ends of the hook 41, and one side of the hook portion 411 close to the blocking portion 413 is provided with an inclined surface 412. When the hook 41 pushes the braid 7 to move, the hook part 411 is clamped in the material hole of the braid 7, the clamping part 413 is clamped on the material pushing connecting plate 42, one side of the hook part 411 opposite to the inclined plane 412 abuts against the material hole of the braid 7 to push the braid 7 to move, and at the moment, the elastic sheet 44 cannot limit the movement of the braid 7; when feeding is in place, the hook 41 resets, at the moment, one side of the hook part 411, which is provided with the inclined plane 412, abuts against the material hole of the braid 7, and the elastic sheet 44 further extrudes the braid 7 to prevent the braid 7 from moving when the hook 41 resets. 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 part 411 is separated from the braid 7 material hole, so that the braid 7 is prevented from being pulled back when the hook 41 is reset. Meanwhile, 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 material pushing connecting 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 for the pay-off subassembly can be accomplished the pay-off process with high efficiency, promotes the braid and removes, reduces artificial intervention, improves production efficiency.

Next, as shown in fig. 9 to 12, the feeding device further includes a pin cutting assembly 5, and the pin cutting assembly 5 is distributed on a side of the U-shaped feeding area 2 away from the belt guiding unit 3 and behind the feeding assembly 4. The pin cutting assembly 5 is mainly used for cutting off 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 are further taken by a component inserter and inserted onto a circuit board. The foot cutting assembly 5 comprises a fixed cutter B51, a movable cutter B52, a cutter fixing seat B53 used for fixing the movable cutter B52 and a driving mechanism B54 used for driving the movable cutter B52 to be close to or far away from the fixed cutter B51, the driving mechanism B54 is located 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 shaft 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 strip-shaped through hole, the cam shaft can only push the cutter fixing seat B53 to move horizontally, so that the movable cutter B52 moves close to or away from the fixed cutter B51. Certainly, the bottom of cutter fixing seat B53 is equipped with the slider, and bed frame 1 is equipped with the slide rail in relevant position department for step motor B541 is when promoting cutter fixing seat B53 horizontal migration, and the structure is more stable, and the foot effect of cutting is better. Meanwhile, the corner cutting component 5 is simple in structure and small in occupied equipment space.

In addition, as shown in the attached drawings 13-15, the device further comprises a belt cutting assembly 6, the belt cutting assembly 6 is distributed at the discharge port 22, and the belt cutting assembly 6 is mainly used for cutting the empty braids 7 with the cut pins into small blocks with a certain length, so that the braids 7 are convenient to recycle. The belt cutting assembly 6 comprises a fixed cutter C61 and a movable cutter C62, and comprises a cutter fixing seat C63 used for fixing the movable cutter C62 and a driving mechanism C64 used for driving the movable cutter C62 to rotate, 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 rotatably connected with the base frame 1, and the through hole C631 is an upright strip-shaped through hole.

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

The feeding area is designed in a U shape, and the vertical angle of the braid is adjusted through the conduction band unit, so that the braid is smoother when entering the U-shaped feeding area; the driving mechanism drives the hook to move relatively on two sides of the base frame, and the hook is matched with the torsion spring, so that the equipment can drive the braid to move in a 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 requirement of industrial production is met.

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

The embodiments of the present invention have been described in detail 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 in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.

Claims

1. A vertical braid feeder, comprising:

the device comprises a base frame (1), wherein a U-shaped feeding area (2) for moving a braid (7) is formed on 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) is positioned at a feed inlet (21) of the U-shaped feeding area (2), the guide belt unit (3) comprises a guide belt wheel (31) used for adjusting the inclination of the braid (7), and the guide belt wheel (31) is frustum-shaped and is rotatably connected with the base frame (1);

the feeding components (4) are distributed in the middle of the U-shaped feeding area (2), and is positioned behind the guide belt unit (3), the feeding component (4) comprises two pushing connecting plates (42) and a driving mechanism A (45) for driving the two pushing connecting plates (42) to move relatively, the upper ends of the two material pushing connecting plates (42) are respectively provided with a hook (41) for pushing the braid (7) to move along the U-shaped feeding area (2), the hook (41) is positioned between the base frame (1) and the braid (7), the pushing connecting plates (42) are positioned at two sides of the base frame (1), the hook (41) is rotationally connected with the pushing connecting plates (42) and a torsional spring (43) is arranged at the rotational connection position, one end of the torsion spring (43) is buckled on the hook (41) and the other end of the torsion spring (43) is buckled on the pushing connecting plate (42).

2. A vertical braid feeder as claimed in claim 1, wherein: hook portion (411) that is used for catching on braid (7) material hole and position portion (413) that is used for restricting couple (41) pivoted are equipped with on couple (41), hook portion (411) and position portion (413) are located respectively couple (41) both ends, hook portion (411) are close to one side of position portion (413) is equipped with inclined plane (412).

3. A vertical braid feeder as claimed in claim 1, wherein: 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 material pushing connecting plates (42) are fixedly connected with the two sides of the synchronous belt (451) respectively.

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

5. A vertical braid feeder as claimed in claim 1, wherein: the device also comprises a pin cutting component (5), the pin cutting component (5) is distributed on one side of the U-shaped feeding area (2) far away from the guide belt unit (3), and is positioned behind the feeding component (4), the cutting foot component (5) comprises a fixed cutter B (51) and a movable cutter B (52), and comprises a cutter fixing seat B (53) for fixing the movable cutter B (52) and a driving mechanism B (54) for driving the movable cutter B (52) to approach or depart from the fixed cutter B (51), the driving mechanism B (54) comprises a stepping motor B (541) and a cam shaft B (542) arranged on an output shaft of the stepping motor B (541), the cover is equipped with ball bearing B (543) on camshaft B (542), through-hole B (531) cover is established to cutter fixing base B (53) bottom on ball bearing B (543).

6. A vertical braid feeder as claimed in claim 5, wherein: the through hole B (531) is a vertical strip-shaped through hole.

7. A vertical braid feeder as claimed in claim 1, wherein: the belt cutting device is characterized by further comprising a belt cutting assembly (6), the belt cutting assembly (6) is distributed at the discharge hole (22), the belt cutting assembly (6) comprises a fixed cutter C (61) and a movable cutter C (62), the fixed cutter fixing seat C (63) used for fixing the movable cutter C (62) and a driving mechanism C (64) used for driving the movable cutter C (62) to rotate, the driving mechanism C (64) comprises a stepping motor C (641) and a cam shaft C (642) arranged on an output shaft of the stepping motor C (641), a ball bearing C (643) is sleeved on the cam shaft C (642), the upper end of the cutter fixing seat C (63) is sleeved on the ball bearing C (643) through a through hole C (631), and the lower end of the cutter fixing seat C (63) is rotatably connected with the base frame (1).

8. A vertical braid feeder as claimed in claim 7, wherein: the through hole C (631) is a vertical strip-shaped through hole.

9. A vertical braid feeder as claimed in claim 1, wherein: the base frame (1) both sides are equipped with backup pad (11) that are used for supporting braid (7), backup pad (11) are located braid (7) below.