CN216757978U

CN216757978U - Braid flying reach shear long and short foot device

Info

Publication number: CN216757978U
Application number: CN202220162877.0U
Authority: CN
Inventors: 王文涛; 孟小翔; 叶庆; 陈蔚周
Original assignee: Dongguan Desuda Precision Equipment Co ltd; Phoenix Contact Asia Pacific Nanjing Co Ltd
Current assignee: Dongguan Desuda Precision Equipment Co ltd; Phoenix Contact Asia Pacific Nanjing Co Ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-17
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a braid flying reach shear long and short foot device which is provided with a supporting structure, a material cutting stationary knife, a material cutting movable knife and a material pressing mechanism, wherein the supporting structure is provided with a material passing groove with a certain width, and left and right side walls defining the material passing groove are respectively a first side wall and a second side wall; the fixed material cutting knife is positioned on the first side wall, and a first step-shaped cutting edge is arranged on the fixed material cutting knife; the cutting movable knife is positioned on the second side wall, a second step-shaped cutting edge is arranged on the cutting movable knife, and the second step-shaped cutting edge is matched with the first step-shaped cutting edge for shearing to obtain a notch with the height difference from top to bottom; the pressing mechanism is assembled on the supporting structure and used for stabilizing pins of the electronic element so as to cooperate with the shearing pins of the material cutting fixed knife and the material cutting movable knife to work. The utility model has the advantages of mechanized operation, stable shearing quality and high efficiency; meanwhile, material pins with specified length difference are cut, and the requirement of automatic splicing operation of the braid materials is met. Simple structure, low investment cost and industrial production and utilization.

Description

Braid flying reach shear long and short foot device

Technical Field

The utility model relates to the technical field of electronic element finishing equipment, in particular to an electronic element pin cutting device.

Background

Conventionally, electronic components with leads, such as resistors and capacitors, are produced after the front-end processing; before packaging or loading the electronic component product, the pins of the electronic component product need to be cut according to the size required by a customer. The prior art is as follows: 1. the pins of the electronic components are manually sheared, so that the efficiency is low, the shearing quality is unstable, the precision of the sheared pins is poor, and the consistency of the shearing quality cannot be ensured. 2. The product on the conveyer belt braid is punched by utilizing the single punching mode of the die to cut off the pins, the single operation efficiency is poor, the impact on the product is large, and the maintenance cost of the knife edge of the die is high.

The subsequent emergence of a device for feeding and continuous shearing of the braid is flown in order to satisfy the braid material automation plug-in operation. However, after the materials are cut off from the braid due to the deviation of the pin spacing of the braid materials and the size of the hole spacing of the PCBA, the plug-in cannot pass through photographing and cannot be automatically plugged, and the reason is that the material pins with the specified length difference cannot be cut out by the cutting device.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a braid flying reach shear long and short pin device, which can continuously complete the pin cutting action, can cut material pins with specified length difference and meets the requirement of braid material automatic plug-in operation.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a braid flying shear long and short foot device for shearing pins of electronic components is provided with:

the supporting structure is provided with a material passing groove with a certain width, and left and right side walls of the material passing groove are defined as a first side wall and a second side wall respectively;

the fixed material cutting knife is positioned on the first side wall, and a first step-shaped cutting edge is arranged on the fixed material cutting knife;

the material cutting movable knife is positioned on the second side wall, a second step-shaped cutting edge is arranged on the material cutting movable knife, and the second step-shaped cutting edge is matched with the first step-shaped cutting edge for shearing to obtain a notch with the height drop from top to bottom;

the pressing mechanism is assembled on the supporting structure and at least used for stabilizing pins of the electronic element so as to cooperate with the shearing pins of the cutting fixed knife and the cutting movable knife to work.

According to the scheme, the second side wall is provided with a material cutting rotating shaft, the material cutting rotating shaft is vertically arranged, the upper end of the material cutting rotating shaft is connected with the material cutting movable knife, the lower end of the material cutting rotating shaft is connected with the rocker, the rocker is operated to drive the material cutting movable knife to perform shearing action, the material cutting movable knife deflects by taking the central axis of the material cutting rotating shaft as a reference, and the material cutting movable knife moves in an opening and closing mode relative to the material cutting fixed knife.

The pressing mechanism further comprises a body protecting part, a foot clamping part and a fixing part, wherein the fixing part is used for connecting the supporting structure, the body protecting part is used for stabilizing the electronic element body, and the foot clamping part is used for clamping pins of the electronic element; the clamping foot part comprises a first clamping foot piece and a second clamping foot piece which are opposite left and right, the first clamping foot piece is fixed on the upper side of the cutting fixed knife, and the second clamping foot piece is arranged on the upper side of the cutting movable knife and can be close to or far away from the first clamping foot piece; the body protecting part comprises a first protecting piece and a second protecting piece which are opposite left and right, the first protecting piece is fixed on the upper side of the first leg clamping piece, and the second protecting piece is arranged on the upper side of the second leg clamping piece and can be close to or far away from the first protecting piece.

The above aspect is further that the second guard member and the second clip foot member move in synchronism.

The second protection piece is assembled on the sliding block, and the sliding block is assembled on the fixed part through the guide structure and is supported by the sliding return spring; the second clamping foot piece is located on the lower side of the sliding block and connected with the sliding block into a whole, a pushing top is further arranged on the second clamping foot piece and located at one side end, far away from the first clamping foot piece, of the second clamping foot piece, the pushing top cooperates with a material pressing connecting rod to drive the second clamping foot piece to be close to the first clamping foot piece, and the material pressing connecting rod is assembled on the supporting structure.

According to the utility model, the material passing groove with a certain width is arranged on the supporting structure so as to be convenient for connecting the braid to a feeding system, so that the braid is fed in a penetrating manner, and the material cutting stationary knife, the material cutting movable knife and the material pressing mechanism are matched, so that the action of cutting pins can be continuously completed, the mechanical operation is realized, the cutting quality is stable, and the efficiency is high; meanwhile, a first step-shaped cutting edge is arranged on the material cutting fixed cutter, a second step-shaped cutting edge is arranged on the material cutting movable cutter, and the second step-shaped cutting edge is matched with the first step-shaped cutting edge for shearing to obtain a notch with a height difference from top to bottom, so that material pins with a specified length difference are sheared, and the operation requirement of the automatic splicing of the braided material is met. The utility model has simple structure, low investment cost, simple and convenient use and maintenance, is scientific and reasonable, and accords with industrial production and utilization.

Description of the drawings:

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic side view of the embodiment of FIG. 1;

FIG. 3 is an exploded view of the embodiment of FIG. 1;

FIG. 4 is a schematic view of another perspective structure of the embodiment of FIG. 3;

fig. 5 is a schematic diagram showing the length of a pin of the cut electronic component according to the present invention.

The specific implementation mode is as follows:

the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1, 2, 3 and 4, which are schematic views of a preferred embodiment of the present invention, the present invention relates to a braid flying and cutting long and short foot device, which can be embedded in a braid flying and feeding system to continuously cut pins of electronic components, and the device has a supporting structure 1, a material cutting stationary knife 2, a material cutting movable knife 3 and a material pressing mechanism 4, wherein the supporting structure 1 is provided with a material passing groove 11 with a certain width, and the material passing groove 11 is in a form of a cutting groove with an upward opening and can be horizontally connected with the braid flying and feeding to feed the braid materials, preferably, the electronic component braid materials are vertically loaded; and left and right side walls defining the trough 11 are a first side wall 12 and a second side wall 13, respectively. The fixed cutter 2 is positioned on the first side wall 12, and a first stepped cutting edge 21 is provided on the fixed cutter 2. The cutting movable knife 3 is positioned on the second side wall 13, the second step-shaped knife edge 31 is arranged on the cutting movable knife 3, the second step-shaped knife edge 31 and the first step-shaped knife edge 21 are matched for shearing to obtain a notch with a height difference from top to bottom, so that pins with a specified length difference are sheared, and the requirement of automatic splicing operation of the braiding materials is met. The pressing mechanism 4 is assembled on the supporting structure 1, and the pressing mechanism 4 is at least used for stabilizing pins of the electronic component so as to cooperate with the shearing pins of the cutting fixed knife 2 and the cutting movable knife 3 to work. In this embodiment, the first stepped cutting edge 21 of the fixed cutter 2 and the second stepped cutting edge 31 of the movable cutter 3 are designed as required to cut out the specified length difference (shown in fig. 5) between the

different pins

101 and 102 on the same electronic component, so that the long pin can be inserted first in the process of inserting the component, then the moving distance is calculated by taking a picture, the corresponding distance is moved by the shaft of the component, and the short pin is inserted, thereby realizing the insertion, solving the problem that the material is not matched with the plate hole when the automatic insertion of the braid material is carried out, and meeting the operation requirement of the automatic insertion.

As shown in fig. 1, 2, 3, and 4, further, a material cutting rotating shaft 5 is arranged on the second side wall 13, the material cutting rotating shaft 5 is vertically arranged, the upper end of the material cutting rotating shaft 5 is connected with the material cutting movable blade 3, the lower end of the material cutting rotating shaft 5 is connected with a rocker 6, the material cutting movable blade 3 is driven to cut by operating the rocker 6, and the material cutting movable blade 3 deflects by using the central axis of the material cutting rotating shaft 5 as a reference, so that the material cutting movable blade 3 moves relative to the material cutting stationary blade 2. The shearing mechanism is simple in structure, convenient to manufacture and assemble, stable and reliable in work and beneficial to guaranteeing the shearing quality. In this embodiment, the rocker 6 can be driven by power components such as a cylinder and a servo motor, but is not limited thereto, as long as the movable cutter 3 for cutting moves back and forth relative to the stationary cutter 2 for cutting. In this embodiment, the axial direction of the material cutting rotating shaft 5 is further sleeved with a compression spring 51, so that the material cutting movable blade 3 has elastic buffering in the vertical direction, the material cutting movable blade 3 is effectively protected, and the material cutting movable blade 3 and the material cutting stationary blade 2 are ensured to be combined for shearing work.

As shown in fig. 1, 2, 3 and 4, further, the pressing mechanism 4 includes a body protecting portion 41, a foot clamping portion 42 and a fixing portion 43, the fixing portion 43 is used for connecting the supporting structure 1, the body protecting portion 41 is used for stabilizing the body of the electronic component, and the foot clamping portion 42 is used for clamping the pins of the electronic component; the clamping leg part 42 comprises a first clamping leg member 421 and a second clamping leg member 422 which are opposite left and right, the first clamping leg member 421 is fixed on the upper side of the cutting fixed knife 2, and the second clamping leg member 422 is arranged on the upper side of the cutting movable knife 3 and can be close to or far away from the first clamping leg member 421; the body protecting part 41 includes a first protecting member 411 and a second protecting member 412 which are opposite to each other in the left-right direction, the first protecting member 411 is fixed on the upper side of the first leg member 421, and the second protecting member 412 is disposed on the upper side of the second leg member 422 and can be close to or far from the first protecting member 411. Preferably, the second protection member 412 and the second clamping member 422 in this embodiment move synchronously, so as to simplify the structure and ensure stable and reliable material pressing. Specifically, the second protector 412 is assembled on a sliding block 413, the sliding block 413 being assembled on the fixed portion 43 through a guide structure and being supported by the sliding return spring 44; the second clip 422 is located under the sliding block 413 and is integrally connected to the sliding block 413. The second leg member 422 is further provided with a pushing portion 4221, the pushing portion 4221 is located at one side end of the second leg member 422 away from the first leg member 421, the pushing portion 4221 cooperates with the swaging link 45 to drive the second leg member 422 to approach the first leg member 421, and the swaging link 45 is assembled on the support structure 1. As shown in the drawings, the material pressing connecting rod 45 pushes the top portion 4221 by a lever action, so that the second leg member 422 approaches the first leg member 421 to clamp the pin of the electronic component, and the sliding block 413 moves along with the pin to drive the second protection member 412 to approach the first protection member 411, thereby clamping the body of the electronic component; at this time, the return spring 44 compresses the stored force, so that when the swaging link 45 is ejected, the return spring 44 pushes the sliding block 413 to return, and the second protection member 412 and the second leg member 422 perform the holding operation, and the operation is circulated. In this embodiment, the swaging link 45 may also be driven by a power component such as a cylinder and a servo motor, but is not limited thereto.

Fig. 1 to 5 illustrate a cylindrical capacitor product as an example, but the utility model is not limited to only processing electronic components with this shape, and can also process electronic components with other shapes, such as resistors and capacitors with leads, and thus, the description of the drawings is omitted.

According to the utility model, the material passing groove with a certain width is arranged on the supporting structure so as to be convenient for connecting the braid to a feeding system, so that the braid is fed in a penetrating manner, and the material cutting stationary knife, the material cutting movable knife and the material pressing mechanism are matched, so that the pin cutting action can be continuously completed, the mechanical operation is realized, the cutting quality is stable, and the efficiency is high; meanwhile, a first step-shaped cutting edge is arranged on the material cutting fixed cutter, a second step-shaped cutting edge is arranged on the material cutting movable cutter, and the second step-shaped cutting edge is matched with the first step-shaped cutting edge for shearing to obtain a notch with a height difference from top to bottom, so that material pins with a specified length difference are sheared, and the operation requirement of the automatic splicing of the braided material is met. The utility model has simple structure, low investment cost, simple and convenient use and maintenance, is scientific and reasonable, and accords with industrial production and utilization.

While the preferred embodiments of the utility model have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.

Claims

1. A braid flies to reach and cuts long short foot device for shearing pin of electronic component, its characterized in that has:

the supporting structure (1) is provided with a material passing groove (11) with a certain width, and left and right side walls defining the material passing groove (11) are a first side wall (12) and a second side wall (13) respectively;

the fixed cutter (2) for cutting is positioned on the first side wall (12), and a first step-shaped cutting edge (21) is arranged on the fixed cutter (2) for cutting;

the cutting movable knife (3) is positioned on the second side wall (13), a second step-shaped knife edge (31) is arranged on the cutting movable knife (3), and the second step-shaped knife edge (31) is matched with the first step-shaped knife edge (21) for shearing to obtain a notch with the height drop height from top to bottom;

the pressing mechanism (4) is assembled on the supporting structure (1), and the pressing mechanism (4) is at least used for stabilizing pins of the electronic element so as to cooperate with the shearing pins of the material cutting fixed knife (2) and the material cutting movable knife (3) to work.

2. The braid flying reach shear long and short foot device of claim 1, wherein: be equipped with blank pivot (5) on second lateral wall (13), this blank pivot (5) are erect and are set up, and the upper end of blank pivot (5) is connected the blank and is moved sword (3), and rocker (6) are connected to the lower extreme of blank pivot (5), drive the blank through operation rocker (6) and move sword (3) shearing action, and the blank moves sword (3) and does the deflection with the axis of blank pivot (5) as the benchmark, reaches the blank and moves sword (3) relative blank stationary knife (2) the motion that opens and shuts.

3. The braid flying reach shear long and short foot device of claim 1, wherein: the pressing mechanism (4) comprises a body protecting part (41), a foot clamping part (42) and a fixing part (43), the fixing part (43) is used for connecting the supporting structure (1), the body protecting part (41) is used for stabilizing the body of the electronic element, and the foot clamping part (42) is used for clamping pins of the electronic element; the foot clamping part (42) comprises a first foot clamping piece (421) and a second foot clamping piece (422) which are opposite left and right, the first foot clamping piece (421) is fixed on the upper side of the cutting fixed knife (2), and the second foot clamping piece (422) is arranged on the upper side of the cutting movable knife (3) and can be close to or far away from the first foot clamping piece (421); the body protecting part (41) comprises a first protecting piece (411) and a second protecting piece (412) which are opposite from left to right, the first protecting piece (411) is fixed on the upper side of the first clamping foot piece (421), and the second protecting piece (412) is arranged on the upper side of the second clamping foot piece (422) and can be close to or far away from the first protecting piece (411).

4. The braid flying reach shear long and short foot device of claim 3, wherein: the second guard (412) and the second leg member (422) move in unison.

5. The braid flying reach shear long and short foot device of claim 4, wherein: the second guard (412) is assembled on a sliding block (413), the sliding block (413) is assembled on a fixed part (43) through a guide structure and is supported by a sliding return spring (44); the second clamping foot piece (422) is located on the lower side of the sliding block (413) and connected with the sliding block (413) into a whole, a pushing top portion (4221) is further arranged on the second clamping foot piece (422), the pushing top portion (4221) is arranged at one side end, away from the first clamping foot piece (421), of the second clamping foot piece (422), the pushing top portion (4221) cooperates with the material pressing connecting rod (45) to drive the second clamping foot piece (422) to be close to the first clamping foot piece (421), and the material pressing connecting rod (45) is assembled on the supporting structure (1).