CN213847465U

CN213847465U - Angle folding device

Info

Publication number: CN213847465U
Application number: CN202023097793.3U
Authority: CN
Inventors: 潘伟仁; 顾立亮
Original assignee: Kunshan Longyu Intelligent Technology Co ltd
Current assignee: Kunshan Longyu Intelligent Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-07-30
Anticipated expiration: 2030-12-21

Abstract

The utility model belongs to the technical field of circuit board production, a dog-ear device is disclosed. The angle bending device is used for bending pins of components fixed on a circuit board, and comprises a rack and a bending mechanism, wherein the rack comprises a carrying platform used for carrying and fixing the circuit board, and the bending mechanism comprises a plurality of folding knives, a driving part and a resetting part. The folding knives are all connected to the rack in a sliding mode, and the sliding paths of the folding knives are parallel to the bending direction of the pins extending out of the lower portion of the carrying platform in a one-to-one correspondence mode. The driving part can drive the folding knives to slide so that the folding knives can bend the pins together. The reset portion is configured to reset the plurality of folding knives. The angle bending device can bend a plurality of pins along respective bending directions by one-time work of the driving part, reduces the bending workload and improves the working efficiency.

Description

Angle folding device

Technical Field

The utility model relates to a circuit board production technical field especially relates to a dog-ear device.

Background

With the development of information, electronic devices are widely spread in daily life, and each electronic device includes electronic elements such as an integrated circuit. In order to electrically interconnect the electronic components, the electronic components are usually mounted on a printed wiring board, and the printed wiring board is used to connect and insulate the wires between the electronic components.

In order to meet the requirements of connecting the electronic component with other parts or circuits, the pins of the electronic component can be bent according to the required shape according to the requirement of the flat cable. Because the integration of the circuit is higher and higher, the pins of a plurality of electronic elements may need to be bent on one printed circuit board, and the traditional process usually bends the pins of the electronic elements one by one, so that the workload is large, and the bending efficiency is low.

Therefore, there is a need to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dog-ear device to solve the problem that the work load is big and the operating efficiency is low when bending a plurality of electronic component's pin one by one.

To achieve the purpose, the utility model adopts the following technical proposal:

the corner folding device is used for bending pins of components fixed on a circuit board and comprises a rack and a bending mechanism, wherein the rack comprises a carrying platform used for carrying and fixing the circuit board, and the bending mechanism comprises a plurality of folding knives, a driving part and a resetting part. The folding knives are all connected to the rack in a sliding mode, and the sliding paths of the folding knives are parallel to the bending direction of the pins extending out of the lower portion of the carrying platform in a one-to-one correspondence mode. The driving part can drive the folding knives to slide so that the folding knives can bend the pins together. The reset portion is configured to reset the plurality of folding knives.

Preferably, the driving part includes a first cylinder and a plurality of rollers, and the bending mechanism further includes a plurality of slide rails, a plurality of sliders, and a plurality of skew blocks, wherein:

the plurality of sliding rails are fixedly connected to the rack, and the extending directions of the plurality of sliding rails are parallel to the sliding paths of the plurality of folding knives in a one-to-one correspondence manner;

the folding knives are fixed to the inclined blocks respectively, the inclined blocks are fixed to the sliding blocks respectively, and the sliding blocks are connected to the sliding rails in a sliding mode respectively;

the rollers are rotatably connected to the output end of the first air cylinder, and the first air cylinder can drive the rollers to respectively push the inclined surfaces of the inclined blocks so as to enable the sliding blocks to move.

Preferably, the reset portion is a plurality of springs, and the plurality of springs are respectively disposed between the frame and the plurality of sliders.

Preferably, the reset part is a plurality of tension springs, and the plurality of tension springs are respectively arranged between the rack and the plurality of sliders.

Preferably, the inclined surfaces of the plurality of inclined blocks are respectively configured to allow the plurality of folding knives to simultaneously abut against the lead or sequentially abut against the lead.

Preferably, the corner folding device further comprises a pressing mechanism configured to fix the circuit board to the chassis.

Preferably, the pressing mechanism includes a second cylinder, a connecting portion, and a pressing head. The second cylinder is fixed to the baffle. The connecting part is connected to the output end of the second cylinder. The pressure head is fixed in connecting portion, the second cylinder can drive the pressure head support press in the circuit board, the pressure head butt one side of circuit board is provided with the elastic component, works as the pressure head support press in when the circuit board, elastic deformation takes place for the elastic component.

Preferably, the frame is provided with a first groove for accommodating the bending mechanism, the bending mechanism is arranged in the first groove, the carrying platform comprises a baffle plate, the baffle plate covers the top of the bending mechanism, and the plurality of folding knives are exposed out of the baffle plate.

Preferably, the baffle plate is provided with a plurality of positioning pin holes, and the plurality of positioning pin holes are configured to position the circuit board.

Preferably, the number of the bending mechanisms is two or more.

The utility model has the advantages that: through the arrangement of the bending mechanism capable of driving the plurality of folding knives, the sliding paths of the plurality of folding knives correspond to the bending mechanisms parallel to the bending directions of the plurality of pins one by one, so that the plurality of pins can be bent along the respective bending directions by one-time work of the driving part, the bending workload is reduced, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a corner folding device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the angle folding device according to the embodiment of the present invention after the baffle is removed;

FIG. 3 is a top view of the bending mechanism of FIG. 2;

fig. 4 is a top view of the bending mechanism of fig. 3 with the drive section removed.

In the figure:

11. a frame; 12. a baffle plate; 121. a positioning pin hole; 122. a second groove; 13. a first groove;

21. a first folding knife; 22. a second folding knife; 23. a third folding knife; 24. a fourth folding knife; 25. a fifth folding knife; 26. a sixth folding knife;

3. a drive section; 31. a first roller; 32. a second roller; 33. a third roller; 34. a fourth roller; 35. a fifth roller; 36. a sixth roller; 37. a first cylinder; 38. a first connecting plate; 39. a second connecting plate;

41. a first slide rail; 42. a second slide rail; 43. a third slide rail; 44. a fourth slide rail; 45. a fifth slide rail; 46. a sixth slide rail;

51. a first swash block; 52. a second swash block; 53. a third swash block; 54. a fourth swash block; 55. a fifth swash block; 56. a sixth swash block;

6. a pressing mechanism; 61. a second cylinder; 62. a connecting portion; 63. a seventh slide rail; 64. a seventh slider; 65. and (4) pressing head.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Generally, the number of pins of components on a circuit board is large, and the pins of the components are bent one by a conventional pin bending device, so that the work load of bending the pins is large, and the work efficiency is low.

In order to solve the above problem, the present embodiment provides a corner folding device, where the corner folding device is configured to fold a pin of a component fixed on a circuit board, the corner folding device may include a frame 11 and a bending mechanism, the frame 11 may include a carrier for carrying and fixing the circuit board, and the bending mechanism may include a plurality of folding knives, a driving portion 3, and a resetting portion. The folding knives are all connected to the frame 11 in a sliding mode, sliding paths of the folding knives are parallel to the bending direction of the pins extending out of the lower portion of the carrying platform in a one-to-one mode, the driving portion 3 can drive the folding knives to slide, the folding knives bend the pins together, and the resetting portion is configured to reset the folding knives.

Through setting up and to drive a plurality of book swoves to the slip path one-to-one of a plurality of book swoves is on a parallel with the mechanism of bending of the direction of bending of a plurality of pins, in order to realize that 3 work of drive division just can make a plurality of pins bend along respective direction of bending, has reduced the work load of the pin of bending one by one and has improved work efficiency.

Further, the driving part 3 may include a first cylinder 37 and a plurality of rollers, and the bending mechanism may further include a plurality of slide rails, a plurality of sliders, and a plurality of swash blocks. The equal rigid coupling in frame 11 of a plurality of slide rails, the extending direction of a plurality of slide rails can be on a parallel with the slip path of a plurality of book swoves by the one-to-one, a plurality of book swoves can be fixed in a plurality of sloping blocks respectively, a plurality of sloping blocks are fixed in a plurality of sliders respectively, a plurality of sliders are sliding connection respectively in a plurality of slide rails, a plurality of gyro wheels rotationally connect in the output of first cylinder 37, first cylinder 37 can drive a plurality of gyro wheels and push away the inclined plane to a plurality of sloping blocks respectively, so that a plurality of sliders remove, thereby drive a plurality of book swoves and bend the pin that corresponds with each book sword respectively, when having guaranteed the precision of bending, the structure of dog-ear device is more firm and compact.

Specifically, referring to fig. 1 to 4, in the present embodiment, the bending mechanism includes a first slide rail 41, a second slide rail 42, a third slide rail 43, a first slider slidably connected to the first slide rail 41, a second slider slidably connected to the second slide rail 42, a third slider slidably connected to the third slide rail 43, a first oblique block 51 fixed to the first slider, a second oblique block 52 fixed to the second slider, and a third oblique block 53 fixed to the third slider, wherein a first folding knife 21 is fixed to a top of the first oblique block 51, a second folding knife 22 is fixed to a top of the second oblique block 52, and a third folding knife 23 is fixed to a top of the third oblique block 53. The first slide rail 41, the second slide rail 42 and the third slide rail 43 are all fixedly connected to the frame 11, and the extending directions of the first slide rail 41, the second slide rail 42 and the third slide rail 43 are respectively parallel to the sliding paths of the first folding knife 21, the second folding knife 22 and the third folding knife 23 in a one-to-one correspondence manner.

The driving part 3 includes a first cylinder 37, a first connecting plate 38, a first roller 31, a second roller 32, and a third roller 33, the first connecting plate 38 is connected to an output end of the first cylinder 37, the first roller 31, the second roller 32, and the third roller 33 are rotatably fixed to the first connecting plate 38, when the output end of the first cylinder 37 pushes against the first connecting plate 38, the first roller 31, the second roller 32 and the third roller 33 can push against the inclined surface of the first inclined block 51, the inclined surface of the second inclined block 52 and the inclined surface of the third inclined block 53 respectively, so that the first sliding block, the second sliding block and the third sliding block respectively slide along the extending directions of the first sliding rail 41, the second sliding rail 42 and the third sliding rail 43, thereby driving the first folding knife 21, the second folding knife 22 and the third folding knife 23 to respectively slide along the bending direction of the corresponding pins, and then the first air cylinder 37 drives a plurality of folding knives to fold a plurality of pins of the components on the circuit board.

In order to enable the first folding knife 21, the second folding knife 22 and the third folding knife 23 which are bent to be capable of being restored to the initial positions so as to facilitate the bending of the next workpiece, further, the restoring portion is a plurality of springs which are respectively arranged between the rack 11 and the first slider, between the rack 11 and the second slider and between the rack 11 and the third slider, and are respectively arranged on one side of the first slider, which is away from the inclined plane of the first inclined block 51, on one side of the second slider, which is away from the inclined plane of the second inclined block 52, and on one side of the third slider, which is away from the inclined plane of the third inclined block 53, so that the springs are compressed to be elastically deformed in the sliding process of the first slider, the second slider and the third slider, and when the first cylinder 37 is restored, the first folding knife 21, the second folding knife 22 and the third folding knife 23 are respectively capable of being restored to the initial positions.

It should be understood that, in other embodiments, the resetting unit may also be a plurality of tension springs respectively disposed between the frame 11 and the first slider, between the frame 11 and the second slider, and between the frame 11 and the third slider, and the plurality of tension springs are respectively disposed on a side of the first slider close to the inclined surface of the first inclined block 51, a side of the second slider close to the inclined surface of the second inclined block 52, and a side of the third slider close to the inclined surface of the third inclined block 53, so that the plurality of tension springs are respectively stretched and elastically deformed during the sliding of the first slider, the second slider, and the third slider, so that when the first cylinder 37 is reset, the first folding knife 21, the second folding knife 22, and the third folding knife 23 can respectively return to the initial positions, which is not limited herein.

In order to optimize the structure of the bending mechanism and reduce the space occupied by the bending mechanism, the inclined surfaces of the plurality of inclined blocks may be configured to enable the plurality of folding knives to simultaneously abut against or sequentially abut against the pins, so as to reduce the space of the bending mechanism and optimize the structure of the bending mechanism.

Specifically, in the present embodiment, by respectively setting the included angle between the inclined surface of the first inclined block 51 and the sliding path of the first folding knife 21, the included angle between the inclined surface of the second inclined block 52 and the sliding path of the second folding knife 22, and the included angle between the inclined surface of the third inclined block 53 and the sliding path of the third folding knife 23, the sliding speed at which the first roller 31, the second roller 32, and the third roller 33 respectively push against the first inclined block 51, the sliding speed of the second inclined block 52, and the sliding speed of the third inclined block 53 are controlled, so that the first folding knife 21, the second folding knife 22, and the third folding knife 23 simultaneously abut against or sequentially abut against the corresponding pins.

Further, in order to enable the circuit board to be stably fixed on the frame 11 when the plurality of folding knives are used for bending, the corner folding device further comprises a pressing mechanism 6, wherein the pressing mechanism 6 is configured to fix the circuit board on the frame 11 so as to prevent the circuit board from moving along with the plurality of folding knives when the plurality of folding knives are used for bending, and therefore the corner folding precision of the bending device is improved.

Specifically, as shown in fig. 1 and 2, the pressing mechanism 6 includes a second cylinder 61, a connecting portion 62, a pair of seventh slide rails 63, a pair of seventh sliders 64, and a pressing head 65. The second cylinder 61 is fixed on the baffle 12 and fixed between the pair of support plates, the pair of seventh slide rails 63 are vertically fixed on the pair of support plates respectively, the pair of seventh slide blocks 64 are slidably connected to the pair of seventh slide rails 63 respectively, the connecting portion 62 is connected to the output end of the second cylinder 61 and is fixedly connected to the pair of seventh slide blocks 64, the pressing head 65 is fixed on the connecting portion 62, the second cylinder 61 can drive the pressing head 65 to abut against the circuit board, an elastic member is arranged on one side of the pressing head 65 abutting against the circuit board, when the pressing head 65 abuts against the circuit board, the elastic member can elastically deform, so that the pressing mechanism 6 is prevented from abutting against the circuit board to deform.

In order to protect the bending mechanism and prevent other articles from damaging the bending mechanism, further, the frame 11 is provided with a first groove 13 for accommodating the bending mechanism, the bending mechanism is arranged in the first groove 13, the carrying platform comprises a baffle plate 12, the baffle plate 12 covers the top of the bending mechanism, the first folding knife 21, the second folding knife 22 and the third folding knife 23 are all exposed out of the baffle plate 12, and the baffle plate 12 is provided with groove holes for accommodating the first folding knife 21, the second folding knife 22 and the third folding knife 23 to respectively slide along the bending direction of the corresponding pins, so that the pins of the circuit board can be inserted into the baffle plate 12, thereby protecting the corner folding device.

In order to fix the circuit board on the baffle plate 12 firmly, the baffle plate 12 is provided with a plurality of positioning pin holes 121, the circuit board is provided with positioning portions respectively matched with the plurality of positioning pin holes 121, and the plurality of positioning portions can be respectively inserted into the plurality of positioning pin holes 121, so that the circuit board is fixed on the baffle plate 12 firmly.

Further, in order to protect the components on the circuit board from rubbing against the surface of the baffle 12 during the bending process, the baffle 12 is provided with a second groove 122 to protect the components on the circuit board on the baffle 12 and prevent the components from rubbing against the surface of the baffle 12.

In order to further reduce the workload of bending the pins of the components of the circuit board and improve the work efficiency of bending the pins, the angle bending device can also be provided with two bending mechanisms. Specifically, as shown in fig. 3 and 4, the bending mechanism further includes another first cylinder 37, a second connecting plate 39, a fourth roller 34, a fifth roller 35, a sixth roller 36, a fourth slide rail 44, a fifth slide rail 45, a sixth slide rail 46, a fourth slider, a fifth slider, a sixth slider, a fourth oblique block 54, a fifth oblique block 55, a sixth oblique block 56, a fourth folding knife 24, a fifth folding knife 25, and a sixth folding knife 26. The second connecting plate 39 is connected to an output end of another first cylinder 37, the fourth roller 34, the fifth roller 35 and the sixth roller 36 are all rotatably fixed to the second connecting plate 39, and the extending directions of the fourth slide rail 44, the fifth slide rail 45 and the sixth slide rail 46 are respectively parallel to the sliding paths of the fourth folding knife 24, the fifth folding knife 25 and the sixth folding knife 26 in a one-to-one correspondence manner. The fourth slider, the fifth slider and the sixth slider are respectively connected to the fourth slide rail 44, the fifth slide rail 45 and the sixth slide rail 46 in a sliding manner, the fourth inclined block 54, the fifth inclined block 55 and the sixth inclined block 56 are respectively fixed to the fourth slider, the fifth slider and the sixth slider, and the fourth folding knife 24, the fifth folding knife 25 and the sixth folding knife 26 are respectively fixed to the tops of the fourth inclined block 54, the fifth inclined block 55 and the sixth inclined block 56.

When the output end of the other first cylinder 37 pushes against the second connecting plate 39, the fourth roller 34, the fifth roller 35, and the sixth roller 36 can push against the inclined surface of the fourth inclined block 54, the inclined surface of the fifth inclined block 55, and the inclined surface of the sixth inclined block 56, respectively, so that the fourth slider, the fifth slider, and the sixth slider can slide along the extending directions of the fourth slide rail 44, the fifth slide rail 45, and the sixth slide rail 46, respectively, thereby driving the fourth folding knife 24, the fifth folding knife 25, and the sixth folding knife 26 to slide along the bending directions of the corresponding pins, respectively, and further driving the plurality of folding knives to bend the plurality of pins of the components on the circuit board through the other first cylinder 37, thereby further reducing the workload of bending the pins of the components on the circuit board, and improving the work efficiency of pin bending.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a dog-ear device for buckle the pin of fixing the components and parts on the circuit board, dog-ear device includes frame (11) and the mechanism of bending, frame (11) are including being used for carrying putting and fixing the microscope carrier of circuit board, its characterized in that, the mechanism of bending includes:

the folding knives are all connected to the rack (11) in a sliding mode, and the sliding paths of the folding knives are parallel to the bending direction of the pins extending out of the lower portion of the carrier platform in a one-to-one correspondence mode;

the driving part (3) can drive the folding knives to slide so that the folding knives can bend the pins together; and

a reset section configured to reset the plurality of folding knives.

2. The beveling apparatus according to claim 1, wherein the driving section (3) comprises a first cylinder (37) and a plurality of rollers, and wherein the beveling mechanism further comprises a plurality of slide rails, a plurality of slide blocks, and a plurality of skew blocks, wherein:

the sliding rails are fixedly connected to the rack (11), and the extending directions of the sliding rails are parallel to the sliding paths of the folding knives in a one-to-one correspondence manner;

the rollers are rotatably connected to the output end of the first air cylinder (37), and the first air cylinder (37) can drive the rollers to respectively push the inclined surfaces of the inclined blocks so as to enable the sliding blocks to move.

3. The beveling apparatus according to claim 2, wherein the returning section is a plurality of springs provided between the frame (11) and the plurality of sliders, respectively.

4. The corner device according to claim 2, wherein the reset portion is a plurality of tension springs respectively disposed between the frame (11) and the plurality of sliders.

5. The beveling apparatus according to claim 2, wherein the inclined surfaces of the plurality of blocks are respectively configured so that the plurality of blades abut against the lead simultaneously or sequentially.

6. The beveling apparatus according to claim 1, further comprising a press-down mechanism (6), wherein the press-down mechanism (6) is configured to fix the circuit board to the housing (11).

7. The beveling apparatus according to claim 6, wherein the press-down mechanism (6) comprises:

a second cylinder (61) fixed to the stage;

a connecting part (62) connected to the output end of the second cylinder (61); and

pressure head (65), be fixed in connecting portion (62), second cylinder (61) can drive pressure head (65) support press in the circuit board, pressure head (65) butt one side of circuit board is provided with the elastic component, works as pressure head (65) support press in when the circuit board, elastic deformation takes place for the elastic component.

8. The corner folding device according to claim 6, wherein the frame (11) is provided with a first groove (13) for accommodating the bending mechanism, the bending mechanism is arranged in the first groove (13), the carrying platform comprises a baffle plate (12), the baffle plate (12) covers the top of the bending mechanism, and the folding knives are exposed out of the baffle plate (12).

9. The corner folding device according to claim 8, wherein a plurality of positioning pin holes (121) are provided on the baffle plate (12), and the plurality of positioning pin holes (121) are configured to position the circuit board.

10. The corner device according to claim 1, wherein there are two or more bending mechanisms.