CN218286681U

CN218286681U - Turnover bending mechanism

Info

Publication number: CN218286681U
Application number: CN202123348825.7U
Authority: CN
Inventors: 郭彦池
Original assignee: Shenzhen Bande Technology Co ltd
Current assignee: Shenzhen Bande Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-01-13
Anticipated expiration: 2031-12-28

Abstract

The utility model provides a turnover bending mechanism, which comprises a turnover fixing seat, a turnover shaft, a turnover plate, a pair of driving cylinders positioned outside the turnover fixing seat and a transmission assembly arranged on the turnover fixing seat and used for connecting the pair of driving cylinders with the turnover shaft in a transmission way; the transmission assembly comprises a pair of racks fixed with the driving cylinder and a gear positioned between the pair of racks and meshed with the pair of racks. The utility model provides a turnover bending mechanism which drives a pair of racks to reversely lift through a pair of driving cylinders to drive a gear positioned in the turnover mechanism to rotate and drives a turnover plate fixed on a turnover shaft to rotate through the rotation of the gear, thereby realizing the bending operation of a flexible circuit board positioned on the turnover plate; the overturning and bending mechanism is simple in overall structure and convenient to install, the arrangement of the driving cylinders is more flexible, and the relative positions of the two driving cylinders on the overturning fixing seat can be adjusted according to actual needs.

Description

Turnover bending mechanism

Technical Field

The utility model belongs to the technical field of the flexible circuit board automated processing technique and specifically relates to a mechanism of bending overturns is related to.

Background

A Flexible Printed Circuit (FPC) is a Flexible Printed Circuit board having high reliability and excellent performance, which is manufactured by etching a Circuit formed on a copper foil using polyimide or mylar as a base material. With the continuous development of science and technology, flexible circuit boards are required to be adopted as important components in more and more intelligent electronic devices. The flexible circuit board can be bent and folded at will, and has the advantages of light weight, small volume and good heat dissipation, so that the flexible circuit board is widely applied to various electronic products. And in the processing of bending that is used for the flexible circuit board at present, the mechanism of bending that uses, it is rotatory through motor drive pivot mostly for whole mechanism of bending is whole bulky, occupy great space, is unfavorable for arranging in the automated processing equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the mechanism of bending that uses among the current flexible circuit board processing equipment and adopt the motor to drive the rotatory scheme of pivot, lead to whole mechanism of bending bulky, occupation space, be unfavorable for the shortcoming of arranging among the automatic processing equipment, provide a mechanism of bending overturns.

The utility model provides a technical scheme that its technical problem adopted is: a turnover bending mechanism comprises a turnover fixing seat, a turnover shaft arranged in the turnover fixing seat, a turnover plate fixedly connected with the turnover shaft and positioned on the side surface of the turnover fixing seat, a pair of driving cylinders positioned on the outer side of the turnover fixing seat and a transmission assembly arranged on the turnover fixing seat and used for connecting the pair of driving cylinders with the turnover shaft in a transmission way; the transmission assembly comprises a pair of racks fixed with the driving cylinder and a gear positioned between the pair of racks and meshed with the pair of racks, one end of the turnover shaft is fixed in the gear, and the other end of the turnover shaft is fixedly connected with the turnover plate.

Furthermore, a horizontal mounting hole for the arrangement of the turnover shaft and a pair of vertical mounting holes for the arrangement of the rack are formed in the turnover fixing seat, and the horizontal mounting hole is located between the pair of vertical mounting holes.

Specifically, the gear is located in the horizontal mounting hole and is meshed with the pair of racks, and the racks extend out of the vertical mounting hole and are fixedly connected with the driving rod of the driving cylinder through a connecting piece.

Specifically, the transmission assembly further comprises a pair of bearings which are arranged in the horizontal mounting hole and sleeved on the turnover shaft, and the bearings are respectively located on two sides of the gear.

Furthermore, the turnover shaft comprises a first connecting section which is positioned in the horizontal mounting hole and connected with the gear and a second connecting section which is positioned outside the horizontal mounting hole and fixed with the turnover plate.

Specifically, the first connecting section and the second connecting section are both cylinders with waist-shaped sections, two abutting faces which are arranged in parallel are arranged on the cylinders, and threaded holes fixedly connected with the turnover plate are formed in the second connecting section.

Further, the connecting piece comprises a first mounting section fixed with the rack and a second mounting section fixed with the driving rod of the driving cylinder.

Specifically, the first mounting section is provided with a first mounting hole for inserting the rack and a first fixing hole perpendicular to the first mounting hole, and the second mounting section is provided with a second mounting hole for inserting the driving rod and a second fixing hole perpendicular to the second mounting hole.

Furthermore, a pair of drive cylinder is located the homonymy of upset fixing base.

Furthermore, a pair of driving cylinders are respectively positioned on the upper side and the lower side of the overturning fixing seat.

The utility model provides a turn over mechanism of bending's beneficial effect lies in: the pair of racks reversely ascend and descend to drive the gear positioned in the pair of driving cylinders to rotate, and the rotation of the gear drives the turnover plate fixed on the turnover shaft to rotate, so that the bending operation of the flexible circuit board positioned on the turnover plate is realized; and the utility model provides a upset mechanism of bending overall structure is simple, simple to operate to driving arranging of actuating cylinder more nimble, can adjusting two relative positions that drive actuating cylinder at the upset fixing base according to actual need.

Drawings

Fig. 1 is a schematic perspective exploded view of a bending mechanism according to a first embodiment of the present invention;

fig. 2 is a schematic perspective view of a transmission assembly and a turning shaft in a turning and bending mechanism according to a first embodiment of the present invention;

fig. 3 is a cross-sectional view of a connecting member in an overturning bending mechanism according to a first embodiment of the present invention;

fig. 4 is a schematic perspective exploded view of a bending mechanism according to a second embodiment of the present invention;

fig. 5 is a schematic perspective exploded view of a turning and bending mechanism according to a third embodiment of the present invention.

In the figure: 100-the turner-bender mechanism provided in the first embodiment;

200-the flip-bend mechanism provided in the second embodiment;

300-the flip-bend mechanism provided in the third embodiment;

10-overturning fixed seat, 11-horizontal mounting hole, 12-vertical mounting hole, 20-overturning shaft, 21-first connecting section, 22-second connecting section, 221-column, 222-abutting surface, 223-threaded hole 30-overturning plate, 40-driving cylinder, 41-driving rod, 50-transmission component, 51-rack, 52-gear, 53-bearing, 60-connecting piece, 61-first mounting section, 611-first mounting hole, 612-first fixing hole, 62-second mounting section, 621-second mounting hole and 622-second fixing hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The first embodiment is as follows:

referring to fig. 1 to 3, a roll-over bending mechanism 100 according to a first embodiment of the present invention is provided. The utility model provides a mechanism 100 is bent in upset is particularly useful for using in the flexible circuit board automated processing equipment for bend the processing to the flexible circuit board.

Further, as shown in fig. 1, a schematic three-dimensional exploded structure diagram of a bending structure 100 according to a first embodiment of the present invention is provided. The utility model provides a mechanism 100 is bent in upset, including upset fixing base 10, set up in upset fixing base 10 inside trip shaft 20, be located upset fixing base 10 side and 20 fixed connection's trip plate 30 of trip shaft, a pair of drive actuating cylinder 40 that is located the upset fixing base 10 outside and set up the drive assembly 50 that is connected a pair of drive actuating

cylinder

40 and 20 transmissions of trip shaft on upset fixing base 10. The utility model provides a mechanism 100 is bent in upset can set up in various automated processing equipment that are used for processing the flexible circuit board for the operation of bending is overturned to the flexible circuit board. The fixed turning seat 10 in the turning and bending mechanism 100 can be fixed at a mounting position required by the equipment through a locking member, and the whole turning and bending mechanism 100 can be mounted and fixed on the equipment through fixing the fixed turning seat 10. The flipping board 30 of the flipping and bending mechanism 100 can be used to place a flexible circuit board to be bent or flipped, which is fixed on the flipping board 30 and horizontally rotated by the flipping shaft 20. The trip shaft 20 is drivingly connected to a pair of drive cylinders 40 via a drive assembly 50.

In the present embodiment, the pair of driving cylinders 40 in the flip-flop bending mechanism 100 are disposed on the same side of the flip-flop fixed seat 10, and the pair of driving cylinders 40 are both located at the bottom of the flip-flop fixed seat 10. The pair of driving cylinders 40 drives the transmission assembly 50 to realize the horizontal rotation of the turning shaft 20 in the turning fixing seat 10.

Further, as shown in fig. 2, it is a schematic perspective view of the transmission assembly 50 in the folding mechanism 100 provided by the present invention. The transmission assembly 50 includes a pair of racks 51 fixed to the driving cylinder 40 and a gear 52 positioned between the pair of racks 51 and engaged with the pair of racks 51. A pair of racks 51 of the transmission assembly 50 is arranged in one-to-one correspondence with the pair of cylinders 40, that is, the end of one rack 51 is fixedly connected with one cylinder 40, so that the rack 51 can vertically lift relative to the turnover fixing base 10. In the vertical lifting process of the rack 51 relative to the roll-over fixing seat 10, the gear 52 between the pair of racks 51 is driven to rotate horizontally relative to the roll-over fixing seat 10.

Specifically, as shown in fig. 2, one end of the turning shaft 20 of the turning and bending mechanism 100 provided by the present invention is fixed in the gear 52, and the other end is fixedly connected to the turning plate 30. One end of the turning shaft 20 is fixed in a gear 52 of the transmission assembly 50, so that the horizontal rotation of the turning shaft 20 relative to the roll-over holder 10 can be realized by the horizontal rotation of the gear 52 relative to the roll-over holder 10. Meanwhile, the other end of the turning shaft 20 is fixedly connected with the turning plate 30, so that the gear 52 drives the turning plate 30 and the gear 52 to synchronously rotate when horizontally rotating relative to the turning fixing seat 10, and the turning and bending operation of the flexible circuit board on the turning plate 30 is realized.

Further, as shown in fig. 1, the turnover fixing base 10 of the turnover bending mechanism 100 provided by the present invention is provided with a horizontal mounting hole 11 for the turnover shaft 20 to be disposed and a pair of vertical mounting holes 12 for the rack 51 to be disposed, and the horizontal mounting hole 11 is located between the pair of vertical mounting holes 12. This horizontal installation hole 11 communicates with the returning face plate 30 that is located upset fixing base 10 side for after the one end that is located the trip shaft 20 of upset fixing base 10 is stretched out by the horizontal installation hole 11 of upset fixing base 10, can be directly with returning face plate 30 fixed connection. And the vertical mounting holes 12 penetrate from the top surface of the turnover fixing base 10 to the bottom surface of the turnover fixing base 10, and the pair of racks 51 in the transmission assembly 50 are respectively arranged in the pair of vertical mounting holes 12. The rack 51 may extend from the top of the vertical mounting hole 12 and then be fixedly connected to the driving cylinder 40, or may extend from the bottom of the vertical mounting hole 12 and then be fixedly connected to the driving cylinder 40. In the present embodiment, a pair of driving cylinders 40 are disposed on the top of the reversible fixing base 10, and therefore, in the present embodiment, the bottoms of the racks 51 in the pair of transmission assemblies 50 are extended from the bottom of the vertical mounting hole 12 of the reversible fixing base 10 and then fixedly connected to the driving rods 41 of the driving cylinders 40.

Specifically, as shown in fig. 2, in the transmission assembly 50 provided by the present invention, the gear 52 is located in the horizontal mounting hole 11 and is meshed with a pair of racks 51, and the racks 51 are fixedly connected to the driving rod of the driving cylinder 40 through the connecting member 60 after extending from the vertical mounting hole 12. One end of the connecting member 60 is fixedly connected to the end of the rack 51 located outside the reversible fixed seat 10, and the other end of the connecting member 60 is fixedly connected to the driving rod 41 of the driving cylinder 40, so that the driving cylinder 40 is fixedly connected to the rack 51 through the connecting member 60. A side surface of the rack 51 facing the gear 52 is provided with first engaging teeth that engage with the gear 52. The outer edge surface of the gear 52 is provided with second engaging teeth which can be engaged with the racks 51 on both sides. When the two racks 51 are moved in opposite directions, the gears 52 located therein can be driven to rotate in the same direction at the same time.

In this embodiment, two driving cylinders 40 are simultaneously disposed at the bottom of the turnover fixing base 10, and when the two driving cylinders 40 respectively act on the two racks 51, the driving cylinder 40 located on the left side drives the rack 51 located on the left side to move upward relative to the turnover fixing base 10, and simultaneously, the driving cylinder 40 located on the right side drives the rack 51 located on the right side to move downward relative to the turnover fixing base 10, so that, in this way, the gear 52 located between the two racks 51 will rotate clockwise relative to the turnover fixing base 10, thereby driving the turnover plate 30 fixed on the turnover shaft 20 to turn clockwise. Similarly, when the driving cylinder 40 on the left side drives the rack 51 to move downward and the driving cylinder 40 on the right side drives the rack to move upward, the turnover plate 30 is turned over in the counterclockwise direction.

Further, as shown in fig. 1 and fig. 2, the transmission assembly 50 of the turnover bending mechanism 100 of the present invention further includes a pair of bearings 53 disposed in the horizontal mounting hole 11 and sleeved on the turnover shaft 20, wherein the pair of bearings 53 are respectively located at two sides of the gear 52. The pair of bearings 53 are sleeved on the turning shaft 20 and fix the turning shaft 20 in the horizontal mounting hole 11 of the turning holder 10. While a pair of bearings 53 also define the gear 52 in the horizontal mounting hole 11, thereby defining the relative position of the gear 52 in the axial direction of the turning shaft 20.

Further, as shown in fig. 2, the present invention provides a turning shaft 20 including a first connecting section 21 located inside the horizontal mounting hole 11 and connected to the gear 52, and a second connecting section 22 located outside the horizontal mounting hole 11 and fixed to the turning plate 30. This first linkage segment 21 is located inside the horizontal installation hole 11 of upset fixing base 10 to the cover is equipped with gear 51 and bearing 53, makes gear 51 and the first linkage segment 21 fixed connection of trip shaft 20, through the rotation of gear 51, drives the rotation of trip shaft 20. The second connecting segment 22 is located outside the horizontal mounting hole 11 of the turnover fixing base 10 and is outside the side close to the turnover plate 30. The second connecting section 22 is fixedly connected with the roll-over plate 30, so that the roll-over plate 30 is in transmission connection with the transmission assembly 50.

Specifically, the first connecting section 21 and the second connecting section 22 of the turning shaft 20 are both a column 221 with a waist-shaped cross section. The column 221 is designed to have a waist-shaped cross section, and can be well inserted into the gear 51 and the turnover plate 30 to realize the fixed connection between the gear 51 and the turnover plate 30, and the gear 51 and the turnover plate 30 can not rotate relative to each other. As shown in fig. 2, the column 221 provided on the second connecting section 22 of the turning shaft 20 has two abutting surfaces 222 arranged in parallel with each other, and the second connecting section 22 is provided with a screw hole 223 fixedly connected with the turning plate 30. The second connecting section 22 of the turning shaft 20 is inserted into the turning plate 30, and then the locking member is inserted from the top of the turning plate 30 and locked in the threaded hole 223 of the second connecting section 22, thereby realizing the fixed connection between the turning shaft 20 and the turning plate 30.

Further, as shown in fig. 3, a cross-sectional view of the connecting member 60 in the bending mechanism 100 is provided. The link 60 includes a first mounting section 61 fixed to the rack 51 and a second mounting section 62 fixed to the driving rod 41 of the driving cylinder 40. The first mounting section 61 is the end of the connecting member 60 near the rack 51, and the second mounting section 62 is the end of the connecting member 60 near the driving cylinder 40. The first mounting section 61 is provided with a first mounting hole 611 into which the rack 51 can be inserted and a first fixing hole 612 perpendicular to the first mounting hole 611, and the second mounting section 62 is provided with a second mounting hole 621 into which the driving rod can be inserted and a second fixing hole 622 perpendicular to the second mounting hole 621. The end of the rack 51 is inserted into the first mounting hole 611, and the screw is inserted into the first mounting section 61 through the first fixing hole 612 and abuts against the side surface of the rack 51, so that the rack 51 and the connecting piece 60 are fixedly connected. The driving rod 41 of the driving cylinder 40 is inserted into the second mounting hole 621 of the connecting member 60, and the screw is inserted into the second mounting hole 621 through the second fixing hole 622 and abuts against the side surface of the driving rod 41, so that the connecting member 60 and the driving rod 41 are fixedly connected.

The utility model provides a mechanism 100 of bending overturns drives a pair of rack 51 and goes up and down to drive the gear 52 rotation that is located wherein through a pair of actuating cylinder 40 that drives to the rotatory returning face plate 30 that fixes that drives through gear 52 rotates on the trip shaft 20, thereby realizes being located the flexible circuit board's on the returning face plate 30 operation of bending.

The utility model provides a 100 overall structure of upset mechanism of bending simple to operate to driving actuating cylinder 40 arrange more in a flexible way, can adjust two relative positions that drive actuating cylinder 40 is at upset fixing base 10 according to actual need. In the present embodiment, the pair of driving cylinders 40 are located on the same side of the reverse fixing base 10, and the pair of driving cylinders 40 are located at the bottom of the reverse fixing base 10.

Example two:

referring to fig. 4, a turning and bending mechanism 200 according to a second embodiment of the present invention is provided. The utility model provides a mechanism 200 is bent in upset and the mechanism 100 is bent in upset of first embodiment's difference lies in, and a pair of actuating cylinder 40 that drives is located the homonymy of upset fixing base 10, but a pair of actuating cylinder 40 that drives all is located the top of upset fixing base 10. The pair of racks 51 can be driven to move reversely by the pair of driving cylinders 40, thereby realizing the horizontal rotation of the flipping board 30.

Example three:

referring to fig. 4, a turning and bending mechanism 300 according to a third embodiment of the present invention is provided. The utility model provides a mechanism 300 is bent in upset and the mechanism 100 is bent in upset of first embodiment's difference lies in, and a pair of actuating cylinder 40 that drives is located the upper and lower both sides of upset fixing base 10 respectively. In this embodiment, one driving cylinder 40 is located at the top of the roll fixing base 10, and one driving cylinder 40 is located at the bottom of the roll fixing base 10. The horizontal rotation of the turnover plate 30 is realized by driving the two driving cylinders 40 on both sides to drive the pair of racks 51 to move in opposite directions.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A turnover bending mechanism is characterized by comprising a turnover fixing seat, a turnover shaft arranged in the turnover fixing seat, a turnover plate positioned on the side surface of the turnover fixing seat and fixedly connected with the turnover shaft, a pair of driving cylinders positioned on the outer side of the turnover fixing seat and a transmission assembly arranged on the turnover fixing seat and used for driving and connecting the pair of driving cylinders and the turnover shaft; the transmission assembly comprises a pair of racks fixed with the driving cylinder and a gear positioned between the pair of racks and meshed with the pair of racks, one end of the turnover shaft is fixed in the gear, and the other end of the turnover shaft is fixedly connected with the turnover plate.

2. The mechanism of claim 1, wherein the fixed seat has a horizontal hole for the roll-over shaft and a pair of vertical holes for the rack, and the horizontal hole is located between the vertical holes.

3. The apparatus according to claim 2, wherein the gear is disposed in the horizontal mounting hole and is engaged with a pair of racks, and the racks are extended from the vertical mounting hole and are fixedly connected to the driving rod of the driving cylinder through a connecting member.

4. The mechanism of claim 2, wherein the transmission assembly further comprises a pair of bearings disposed in the horizontal mounting holes and sleeved on the flipping shaft, and the bearings are respectively disposed on two sides of the gear.

5. The mechanism of claim 2, wherein the flip shaft includes a first connecting section located within the horizontal mounting hole and connected to the gear and a second connecting section located outside the horizontal mounting hole and fixed to the flip plate.

6. The mechanism of claim 5, wherein the first connecting section and the second connecting section are both cylinders with waist-shaped cross sections, the cylinders are provided with two abutting surfaces which are arranged in parallel, and the second connecting section is provided with a threaded hole fixedly connected with the turnover plate.

7. A turnbuckle mechanism as claimed in claim 3, wherein said link member includes a first mounting section secured to said rack and a second mounting section secured to a drive rod of said drive cylinder.

8. The apparatus according to claim 7, wherein the first mounting section has a first mounting hole for inserting the rack and a first fixing hole perpendicular to the first mounting hole, and the second mounting section has a second mounting hole for inserting the driving rod and a second fixing hole perpendicular to the second mounting hole.

9. A turnup bender mechanism as claimed in any of claims 1 to 8, in which a pair of said actuating cylinders are located on the same side of the turnup mounting.

10. A flip-flop bending mechanism according to any one of claims 1 to 8, wherein a pair of said actuating cylinders are respectively located at upper and lower sides of said flip-flop fixing base.