CN220661752U

CN220661752U - Riveting device

Info

Publication number: CN220661752U
Application number: CN202322053598.8U
Authority: CN
Inventors: 曹阳; 张磊
Original assignee: Continental Automotive Changchun Co Ltd
Current assignee: Continental Automotive Changchun Co Ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-03-26
Anticipated expiration: 2033-08-01

Abstract

The utility model provides a riveting device which comprises a turntable, a checking mechanism and an infrared riveting mechanism, wherein a clamp is arranged on the turntable and used for clamping a first riveting piece and a second riveting piece, and the turntable can drive the first riveting piece and the second riveting piece to rotate to a first station and a second station in sequence; the checking mechanism is arranged on the first station and used for checking the model of the first rivet when the first rivet and the second rivet are positioned at the first station so as to confirm whether the model of the first rivet is the same as the preset model; the infrared riveting mechanism is arranged on the second station and used for carrying out infrared riveting on the first riveting piece and the second riveting piece when the first riveting piece and the second riveting piece are located on the second station. The riveting device provided by the utility model can ensure that the model of the PCB is correctly selected, and can improve the stability of the riveting quality, thereby improving the production efficiency and saving the cost.

Description

Riveting device

Technical Field

The utility model relates to the technical field of automobile production devices, in particular to a riveting device.

Background

PCB (PrintedCircuitBoard) circuit board is the core hardware part of car electronic system, and for high performance car, various control mechanism, operating system all need to adopt the high performance PCB circuit board that matches with it. When the PCB is mounted, the PCB is usually riveted to a plastic housing, and then the plastic housing is fixed to a corresponding position of the automobile.

At present, in order to rivet a PCB circuit board with a plastic shell, a hot air riveting mechanism is generally adopted for riveting, but because the appearance of the PCB circuit boards with different types is similar, operators easily mistakenly take the PCB circuit boards with different types from a preset model, the riveting needs to be performed again, and the production efficiency is affected; in addition, hot air generated by the hot air riveting mechanism is easily influenced by environment, unstable in state and easy to influence the riveting quality of the PCB, so that the production requirement cannot be met.

Disclosure of Invention

The utility model aims to solve the technical problems that the PCB model is frequently selected incorrectly and the riveting quality is unstable when the PCB is riveted at present. The riveting device provided by the utility model can ensure that the model of the PCB is correctly selected, and can improve the stability of the riveting quality, thereby improving the production efficiency and saving the cost.

An embodiment of the present utility model provides a riveting device for riveting a first rivet and a second rivet, the riveting device including:

the turntable is provided with a clamp which is used for clamping the first riveting piece and the second riveting piece, and can drive the first riveting piece and the second riveting piece to rotate to the first station and the second station in sequence;

the verification mechanism is arranged on the first station and used for verifying the model of the first rivet when the first rivet and the second rivet are positioned at the first station so as to confirm whether the model of the first rivet is the same as the preset model;

the infrared riveting mechanism is arranged on the second station and used for carrying out infrared riveting on the first riveting piece and the second riveting piece when the first riveting piece and the second riveting piece are positioned at the second station, so that the first riveting piece and the second riveting piece are riveted to form the riveting piece.

Illustratively, the first rivet may be a PCB and the second rivet may be a plastic housing.

According to another specific embodiment of the utility model, the verification mechanism comprises a laser code scanner, a first rivet is provided with a type number, and the laser code scanner is used for scanning the type number to obtain the type number of the first rivet; the riveting device further comprises a control system, wherein the control system is used for controlling the turntable to rotate when the model of the first riveting piece is the same as the preset model so as to drive the first riveting piece and the second riveting piece to rotate to the second station, and controlling the turntable to stop running when the model of the first riveting piece is different from the preset model.

According to another embodiment of the present utility model, a second rivet is provided with a rivet post extending in a vertical direction, a first rivet is provided with a limiting hole penetrating through the first rivet in the vertical direction, the rivet post penetrates through the limiting hole, and the infrared riveting mechanism comprises:

the riveting head is positioned above the turntable, the riveting head comprises a connecting body and a riveting cover, a first cavity is arranged in the connecting body, a second cavity is arranged in the riveting cover, the connecting body is arranged above the riveting cover and is communicated with the second cavity, a connecting rod extending along the vertical direction is arranged in the first cavity, and a riveting pressure head is fixedly connected to the bottom of the connecting rod; an infrared heating tube is also arranged in the first cavity and can generate infrared radiation so as to heat the riveting column;

the moving piece is connected with the riveting head and is used for driving the riveting head to move along the vertical direction so that the riveting cover covers the riveting column in the second cavity;

the cylinder is connected with the connecting rod and used for driving the connecting rod and the riveting pressure head to move along the vertical direction so that the riveting pressure head extrudes the riveting column, and the top of the riveting column can form a limiting bulge after the riveting column is extruded.

According to another specific embodiment of the utility model, an air blowing channel is further arranged in the first cavity, one end of the air blowing channel is communicated with an external air source, the other end of the air blowing channel is communicated with the second cavity, and the air blowing channel is used for blowing air into the second cavity so as to cool and mold the riveting piece.

According to another specific embodiment of the utility model, the riveting device further comprises a third station, the third station is arranged at the downstream of the second station along the rotating direction of the turntable, the turntable can drive the riveting piece to rotate from the second station to the third station, a measuring mechanism is arranged on the third station, and the measuring mechanism is used for measuring the height of the limiting protrusion when the riveting piece is positioned at the third station so as to judge whether the riveting piece is qualified or not and output a judging result.

According to another embodiment of the utility model, the measuring mechanism comprises:

the height sensor is used for measuring the height of the limiting protrusion;

the information processor is electrically connected with the height sensor and is used for comparing the height of the limiting protrusion with a preset height range, outputting a first signal when the height of the limiting protrusion exceeds the preset height range, and outputting a second signal when the height of the limiting protrusion is within the preset height range.

According to another specific embodiment of the utility model, the riveting device further comprises a fourth station, the fourth station is arranged at the downstream of the third station along the rotating direction of the rotary table, the rotary table can drive the riveting piece to rotate from the third station to the fourth station, the fourth station is provided with a sorting mechanism, the sorting mechanism is used for receiving the judgment result output by the measuring mechanism, and according to the judgment result, when the riveting piece is positioned at the fourth station, the qualified riveting piece and the unqualified riveting piece are separated.

According to another embodiment of the utility model, the sorting mechanism comprises:

the first conveying belt is used for conveying unqualified riveting pieces;

the second conveying belt is used for conveying qualified riveting pieces;

the control system is further used for controlling the mechanical arm to place the riveting piece on the first conveying belt when the information processor outputs a first signal, and controlling the mechanical arm to place the riveting piece on the second conveying belt when the information processor outputs a second signal.

According to another embodiment of the utility model, the sorting mechanism further comprises a driving unit connected to the mechanical arm, the driving unit being used for controlling the mechanical arm to grasp and put down the rivet.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the verification mechanism is arranged, so that when the PCB is required to be riveted, the verification mechanism can verify the type of the PCB, and the incorrect selection of the type of the PCB is avoided, and the production efficiency is prevented from being influenced; according to the utility model, the existing hot air riveting mechanism is replaced by the infrared riveting mechanism, and the infrared riveting is not easily affected by the environment, so that the riveting quality is stable, the defective rate can be reduced, the production efficiency is improved, and the cost is saved.

Drawings

FIG. 1 shows a schematic view of a riveting apparatus provided by an embodiment of the utility model;

FIG. 2 shows a top view of a riveting device provided by an embodiment of the utility model;

FIG. 3 is a schematic diagram of an infrared riveting mechanism according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a rivet head according to one embodiment of the present utility model;

FIG. 5 illustrates a cross-sectional view of a first rivet according to one embodiment of the present utility model;

FIG. 6 illustrates an assembly schematic of a first rivet and a second rivet according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram illustrating the operation of the rivet joint according to an embodiment of the present utility model;

FIG. 8 shows a second operation diagram of the rivet joint according to an embodiment of the present utility model;

FIG. 9 illustrates a third operation of the rivet joint according to an embodiment of the present utility model;

fig. 10 shows a cross-sectional view of a rivet provided by an embodiment of the present utility model.

Reference numerals:

1. a first rivet; 11. a limiting hole; 2. a second rivet; 21. riveting a column; 211. a limit protrusion; 3. a turntable; 4. a laser code scanner; 5. an infrared riveting mechanism; 51. a rivet joint; 52. a moving member; 53. a cylinder; 54. a connecting body; 55. riveting covers; 56. a first cavity; 57. a second cavity; 58. a connecting rod; 59. a riveting press head; 510. an infrared heating tube; 511. a blowing channel; 6. a first station; 7. a second station; 8. a third station; 81. a measuring mechanism; 9. a fourth station; 91. a first conveyor belt; 92. a second conveyor belt; 10. and (5) riveting pieces.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

In order to solve the technical problems, the utility model provides the riveting device which can ensure that the model of the PCB is correctly selected, and can improve the stability of the riveting quality, thereby improving the production efficiency and saving the cost.

In order to make the technical scheme and advantages of the present utility model more clear, embodiments of the present utility model are described in further detail below.

Referring to fig. 1, 2 and 6, the embodiment of the present utility model provides a riveting device for riveting a first rivet 1 and a second rivet 2, the riveting device includes a turntable 3, a checking mechanism and an infrared riveting mechanism 5, a clamp (not shown in the figure) is arranged on the turntable, the clamp is used for clamping the first rivet 1 and the second rivet 2, the turntable 3 can drive the first rivet 1 and the second rivet 2 to rotate to a first station 6 and a second station 7 in sequence, and in the embodiment, the rotation direction of the turntable 3 is shown as R direction in fig. 2; the checking mechanism is arranged on the first station 6 and is used for checking the model of the first rivet 1 when the first rivet 1 and the second rivet 2 are positioned at the first station 6 so as to confirm whether the model of the first rivet 1 is the same as the preset model; the infrared riveting mechanism 5 is arranged on the second station 7, and the infrared riveting mechanism 5 is used for carrying out infrared riveting on the first riveting piece 1 and the second riveting piece 2 when the first riveting piece 1 and the second riveting piece 2 are positioned on the second station 7, and the riveting piece 10 is formed after the first riveting piece 1 and the second riveting piece 2 are riveted, as shown in fig. 10.

Illustratively, the first rivet 1 may be a PCB and the second rivet 2 may be a plastic housing. When the PCB circuit board and the plastic shell are required to be riveted, the PCB circuit board and the plastic shell are fixed on the clamp of the turntable, and when the PCB circuit board and the plastic shell are located at the first station 6, the verification mechanism can verify the model of the PCB circuit board, so that the model of the PCB circuit board is prevented from being different from the preset model. According to the utility model, the existing hot air riveting mechanism is replaced by the infrared riveting mechanism, and the infrared riveting is not easily affected by the environment, so that the riveting quality is stable, the defective rate can be reduced, the production efficiency is improved, and the cost is saved.

Specifically, referring to fig. 1, the verification mechanism includes a laser code scanner 4, a type number (not shown in the figure) is arranged on the first rivet 1, and the laser code scanner 4 is used for scanning the type number to obtain the type number of the first rivet; the riveting device further comprises a control system (not shown in the figure), wherein the control system is used for controlling the turntable 3 to rotate so as to drive the first rivet 1 and the second rivet 2 to rotate to the second station 7 when the model of the first rivet 1 is the same as the preset model, and controlling the turntable 3 to stop running and send out an alarm when the model of the first rivet 1 is different from the preset model, so that the model of the PCB is prevented from being different from the preset model.

Alternatively, referring to fig. 3 to 9, the infrared riveting mechanism 5 includes a rivet head 51, a moving member 52, and a cylinder 53, the rivet head 51 being located above the turntable 3, and in this embodiment, the "upper" orientation is the orientation indicated by the a direction in fig. 3, and the "lower" orientation is the orientation indicated by the B direction in fig. 3. The riveting head 51 comprises a connecting body 54 and a riveting cover 55, a first cavity 56 is arranged in the connecting body 54, a second cavity 57 is arranged in the riveting cover 55, the connecting body 54 is arranged above the riveting cover 55, the first cavity 56 is communicated with the second cavity 57, a connecting rod 58 extending along the vertical direction (Y direction shown in fig. 4) is arranged in the first cavity 56, and a riveting press head 59 is fixedly connected to the bottom of the connecting rod 58; the second rivet 2 is provided with a rivet column 21 extending along the vertical direction, the first rivet 1 is provided with a limiting hole 11 penetrating through the first rivet 1 along the vertical direction, the rivet column 21 penetrates through the limiting hole 11, the first cavity 56 is internally provided with an infrared heating tube 510, and the infrared heating tube 510 can generate infrared radiation to heat the rivet column 21; the moving member 52 is connected to the rivet joint 51, and the moving member 52 is used for driving the rivet joint 51 to move in a vertical direction, so that the rivet cover 55 covers the rivet post 21 in the second cavity 57, as shown in fig. 7; the air cylinder 53 is connected to the connecting rod 58, and the air cylinder 53 is used for driving the connecting rod 58 and the riveting press head 59 to move in the vertical direction so that the riveting press head 59 presses the rivet stem 21, as shown in fig. 8. The rivet 21 may be pressed to form a stop protrusion 211 at the top thereof, as shown in fig. 9.

Specifically, referring to fig. 7 to 9, when the first rivet 1 and the second rivet 2 are located at the second station 7, the moving member 52 drives the rivet head 51 to move downward in the vertical direction until the rivet cover 55 covers the rivet stem 21 in the second cavity 57, when the rivet stem 21 is located in the second cavity 57, the infrared radiation generated by the infrared heating tube 510 can heat the rivet stem 21, after the rivet stem 21 is heated for a certain time, the cylinder 53 is started, and the cylinder 53 drives the connecting rod 58 and the rivet ram 59 to move downward in the vertical direction, so that the rivet ram 59 extrudes the heated rivet stem 21. After the rivet column 21 is extruded, the height of the rivet column 21 is shortened, a limit protrusion 211 can be formed at the top of the rivet column 21 in the pressing process, the lower surface of the limit protrusion 211 can be attached to the upper surface of the first rivet 1, the limit protrusion 211 can press the first rivet 1 downwards under the action of the riveting press head 59 until the lower surface of the first rivet 1 is attached to the upper surface of the second rivet 2, the distance between the lower surface of the first rivet 1 and the upper surface of the second rivet 2 is eliminated (as shown by a dimension L in FIG. 6), the attachment of the first rivet 1 and the second rivet 2 is tighter, the first rivet 1 can be fixed on the second rivet 2 under the action of the limit protrusion 211 and the second rivet 2, and after the rivet column 21 is cooled, the riveting is completed.

Illustratively, the rivet 21 may be plastic. The plastic has good thermal plasticity, and is easy to shape after being heated, so that the rivet 21 is conveniently heated and extruded to form the limit protrusion 211 at the top.

Optionally, referring to fig. 4, an air blowing channel 511 is further provided in the first cavity 56, an upper end of the air blowing channel 511 is connected to an external air source (not shown in the figure), a lower end of the air blowing channel 511 is connected to the second cavity 57, and the air blowing channel 511 is used for blowing air into the second cavity 57, so that the rivet 10 is rapidly cooled and formed. After the rivet 21 is heated and extruded, the second cavity 57 can be blown through the blowing channel 511, so that the rivet 21 is rapidly cooled and molded, thereby completing the riveting more rapidly and improving the production efficiency.

Optionally, referring to fig. 2, the riveting machine further includes a third station 8, the third station 8 is disposed downstream of the second station 7 along the rotation direction of the turntable 3, the turntable 3 can drive the riveting member 10 to rotate from the second station 7 to the third station 8, a measurement mechanism 81 is disposed on the third station 8, and the measurement mechanism 81 is used for measuring the height of the limiting protrusion 211 on the riveting member 10 when the riveting member 10 is located in the third station 8, so as to determine whether the height of the limiting protrusion 211 is qualified, and output a determination result. According to the utility model, the measuring mechanism 81 is arranged at the third station 8, and after riveting is finished, the measuring mechanism 81 can measure the height of the limiting protrusion 211, so that the problem that the PCB is loosened due to collision with other parts on an automobile caused by overhigh limiting protrusion 211 is avoided.

Specifically, the measuring mechanism 81 includes a height sensor (not shown) for measuring the height of the limit projection 211, and an information processor (not shown); the information processor is electrically connected with the height sensor, and is used for comparing the height of the limiting protrusion 211 with a preset height range, outputting a first signal when the height of the limiting protrusion 211 exceeds the preset height range, and outputting a second signal when the height of the limiting protrusion 211 is within the preset height range, so that the qualified riveting piece 10 and the unqualified riveting piece 10 can be distinguished.

Optionally, referring to fig. 1 and 2, the riveting machine further includes a fourth station 9, the fourth station 9 is disposed downstream of the third station 8 along the rotation direction of the turntable 3, the turntable 3 may drive the riveting member 10 to rotate from the third station 8 to the fourth station 9, and the fourth station 9 is provided with a sorting mechanism, which is configured to receive the determination result output by the measurement mechanism 81, and separate the qualified riveting member 10 from the unqualified riveting member 10 when the riveting member 10 is located at the fourth station 9 according to the determination result. The sorting mechanism is arranged at the fourth station 9, so that the qualified riveting piece 10 and the unqualified riveting piece 10 can be separated, and the confusion of the qualified riveting piece 10 and the unqualified riveting piece 10 is avoided.

Specifically, referring to fig. 1, the sorting mechanism includes a first conveyor belt 91, a second conveyor belt 92, and a robot arm (not shown), the first conveyor belt 91 being used to convey the reject rivet 10; the second conveyor belt 92 is used for conveying qualified rivets 10; the mechanical arm is used for grabbing the riveting piece 10 from the clamp, the mechanical arm is electrically connected with the control system, and the control system can control the mechanical arm to place the riveting piece 10 on the first conveying belt 91 when receiving the first signal output by the information processor and control the mechanical arm to place the riveting piece 10 on the second conveying belt 92 when receiving the second signal output by the information processor, so that the qualified riveting piece 10 and the unqualified riveting piece 10 are separated.

Optionally, the sorting mechanism further comprises a drive unit (not shown) connected to the robot arm, the drive unit being adapted to control the robot arm to grasp and drop the rivet 10.

The driving unit may be a cylinder, for example.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.

Claims

1. A riveting device for riveting a first rivet and a second rivet, the riveting device comprising:

the rotary table is provided with a clamp, the clamp is used for clamping the first riveting piece and the second riveting piece, and the rotary table can drive the first riveting piece and the second riveting piece to rotate to a first station and a second station in sequence;

the checking mechanism is arranged on the first station and is used for checking the model of the first rivet when the first rivet and the second rivet are positioned at the first station so as to confirm whether the model of the first rivet is the same as a preset model;

the infrared riveting mechanism is arranged on the second station and is used for carrying out infrared riveting on the first riveting piece and the second riveting piece when the first riveting piece and the second riveting piece are positioned at the second station, so that the first riveting piece and the second riveting piece form a riveting piece after riveting is completed.

2. The riveting apparatus of claim 1, wherein the verification mechanism comprises a laser scanner, wherein the first rivet is provided with a number, and the laser scanner is used for scanning the number to obtain the model of the first rivet; the riveting device further comprises a control system, wherein the control system is used for controlling the turntable to rotate when the model of the first riveting piece is the same as the preset model, so as to drive the first riveting piece and the second riveting piece to rotate to the second station, and controlling the turntable to stop running when the model of the first riveting piece is different from the preset model.

3. The riveting apparatus of claim 2, wherein the second rivet has a rivet stem extending in a vertical direction, the first rivet has a limiting hole extending through the first rivet in the vertical direction, the rivet stem extends through the limiting hole, and the infrared riveting mechanism comprises:

the riveting head is positioned above the turntable, the riveting head comprises a connecting body and a riveting cover, a first cavity is arranged in the connecting body, a second cavity is arranged in the riveting cover, the connecting body is arranged above the riveting cover and is communicated with the second cavity, a connecting rod extending along the vertical direction is arranged in the first cavity, and a riveting pressure head is fixedly connected to the bottom of the connecting rod; an infrared heating tube is further arranged in the first cavity and can generate infrared radiation so as to heat the riveting column;

the moving piece is connected with the rivet joint and is used for driving the rivet joint to move along the vertical direction so that the riveting cover covers the riveting column in the second cavity;

the cylinder is connected with the connecting rod and used for driving the connecting rod and the riveting pressure head to move along the vertical direction, so that the riveting pressure head extrudes the riveting column, and the top of the riveting column can form a limiting bulge after being extruded.

4. A riveting apparatus according to claim 3, wherein the first chamber is further provided with an air blowing passage, one end of the air blowing passage is communicated with an external air source, the other end of the air blowing passage is communicated with the second chamber, and the air blowing passage is used for blowing air into the second chamber so as to cool and shape the riveting member.

5. The riveting device according to claim 4, further comprising a third station, wherein the third station is disposed downstream of the second station in a rotation direction of the turntable, the turntable can drive the riveting member to rotate from the second station to the third station, and a measuring mechanism is disposed on the third station and is used for measuring the height of the limiting protrusion when the riveting member is located in the third station, so as to determine whether the riveting member is qualified, and output a determination result.

6. The staking device of claim 5, wherein said measuring mechanism includes:

the height sensor is used for measuring the height of the limiting protrusion;

7. The riveting apparatus according to claim 6, further comprising a fourth station, wherein the fourth station is disposed downstream of the third station in a rotation direction of the turntable, the turntable drives the rivet to rotate from the third station to the fourth station, and the fourth station is provided with a sorting mechanism for receiving the determination result output by the measuring mechanism, and separating the rivet that is qualified from the rivet that is unqualified when the rivet is located at the fourth station according to the determination result.

8. The riveting apparatus of claim 7, wherein the sorting mechanism comprises:

the first conveying belt is used for conveying the unqualified riveting pieces;

the second conveying belt is used for conveying the qualified riveting pieces;

the mechanical arm is used for grabbing the riveting piece from the clamp, the mechanical arm is electrically connected with the control system, and the control system is further used for controlling the mechanical arm to place the riveting piece on the first conveying belt when the information processor outputs the first signal and controlling the mechanical arm to place the riveting piece on the second conveying belt when the information processor outputs the second signal.

9. The riveting apparatus of claim 8, wherein the sorting mechanism further comprises a drive unit coupled to the robotic arm, the drive unit for controlling the robotic arm to grasp and drop the rivet.