Error-proofing detection device suitable for plate riveting processing
By combining an infrared transmitter and receiver with a transmission mechanism, the rivet position of the plate can be detected in real time, solving the problems of low efficiency and high error rate of manual inspection and achieving efficient and accurate rivet error prevention detection.
Patent Information
- Application Number
- CN202422792457.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-15
AI Technical Summary
During the plate riveting process, manual inspection is inefficient and prone to errors, resulting in incorrect plates flowing into the next process, affecting production progress.
The infrared transmitter and receiver are combined with the transmission mechanism. The infrared rangefinder is used to locate and control the movement of the infrared transmitter in real time to detect the accuracy of the rivet position. The CPU module is used to determine whether there is a wrong rivet, and the indicator light displays the detection result.
The efficiency and accuracy of rivet error prevention detection are improved, the labor intensity of staff is reduced, and the accuracy of plate detection is ensured.
Smart Images
Figure CN223449163U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mistake proofing device, in particular to a device capable of detecting whether the plate after rivet -joining processing exists rivet -joining mistake, belongs to rivet -joining mistake proofing detection equipment technical field. BACKGROUND
[0002] Rivet -joining technology is a kind of efficient fastening connection method, and application field is wide, including but not limited to automobile manufacturing industry, aviation manufacturing industry, electronic industry, machinery manufacturing industry, construction industry and solar energy industry, rivet -joining process is used for the fastening connection of the components such as car body, chassis, engine in automobile manufacturing industry, improves the safety and durability of car, and the thin plate such as the aluminum alloy bumper of new electric vehicle, anti -collision beam, battery shell, floor threshold more widely adopts efficient and convenient rivet -joining connection mode, improves the sealing and shock resistance of product, in the production process of individual plate of electric vehicle, rivet -joining installation rivet -joining screw and core-pulling rivet quantity are numerous, and manual assembly efficiency is low and error rate is high, whether rivet -joining is normal needs artificial naked eye to check, since rivet -joining quantity is numerous and the quantity of plate needing detection is huge, staff inevitably exists inattentive, leading to the plate with rivet -joining error to flow into next process, influence overall production progress, so a mistake proofing detection device is required, which can efficiently and accurately detect the rivet -joining mistake of plate. CONTENT OF UTILITY MODEL
[0003] The utility model aims at overcoming the insufficient of prior art, provide a kind of mistake proofing detection device suitable for plate rivet -joining processing, it not only can reduce the labor intensity of staff, also can improve rivet -joining mistake proofing detection efficiency and precision.
[0004] The problem of the utility model is solved by the following technical scheme:
[0005] A kind of mistake proofing detection device suitable for plate rivet -joining processing, including bottom plate, positioning portion, top plate, bottom detection portion, prompt light and top detection portion;The top plate is set on the bottom plate by support, and top plate is located directly above the bottom plate;The positioning portion is set on the ground by support, and it is located between top plate and bottom plate;The bottom detection portion is set in the top end surface of bottom plate, and top detection portion is set in the bottom end surface of top plate;The signal input end of prompt light is connected with the signal output end of CPU.
[0006] The above-mentioned mistake proofing detection device suitable for plate rivet -joining processing, the bottom detection portion includes first transmission mechanism, second transmission mechanism and infrared emitter;The first transmission mechanism is set on the upper end surface of bottom plate, and second transmission mechanism is set on first transmission mechanism;The infrared emitter is set on second transmission mechanism.
[0007] The first transmission mechanism comprises a first motor, a first screw rod, a first screw rod nut, a sliding plate and a first infrared distance meter; the upper end surface of the bottom plate is provided with a sliding rail along the length direction thereof, and the sliding plate is slidingly arranged on the sliding rail of the upper end surface of the bottom plate; the length direction line of the sliding plate is parallel to the width direction line of the bottom plate; the first motor is arranged at one end of the upper end surface of the bottom plate, and the first vertical plate is arranged at the other end of the upper end surface of the bottom plate; one end of the first screw rod is connected with the output shaft of the first motor, and the other end of the first screw rod is connected with the first vertical plate; the first screw rod nut is arranged on the first screw rod; the center line of the first screw rod is parallel to the center line of the sliding rail on the bottom plate; the first screw rod nut is connected with the sliding plate; the first infrared distance meter is arranged on the end surface of the first screw rod nut close to the first vertical plate, and the infrared emission end thereof is directed to the first vertical plate; the signal input end of the first motor is connected with the signal output end of the CPU; and the signal output end of the first infrared distance meter is connected with the signal input end of the CPU.
[0008] The second transmission mechanism comprises a second motor, a second screw rod, a second screw rod nut and a second infrared distance meter; the second motor is arranged at one end of the upper end surface of the sliding plate, and the second vertical plate is arranged at the other end of the upper end surface of the sliding plate; one end of the second screw rod is connected with the second motor, and the other end of the second screw rod is connected with the second vertical plate, and the center line of the second screw rod is perpendicular to the center line of the first screw rod; the second screw rod nut is arranged on the second screw rod; the second infrared distance meter is arranged on the end surface of the second screw rod nut close to the second vertical plate, and the infrared emission end of the second infrared distance meter is directed to the second vertical plate; the infrared emitter is arranged at the central position of the top end surface of the second screw rod nut, and the infrared emission end thereof is vertically directed upward; the signal input end of the second motor is connected with the signal output end of the CPU; and the signal output end of the second infrared distance meter is connected with the signal input end of the CPU.
[0009] The top detection part comprises a third transmission mechanism, a fourth transmission mechanism and an infrared receiver; the third transmission mechanism is arranged on the lower end surface of the top plate, and the fourth transmission mechanism is arranged on the third transmission mechanism; the infrared receiver is arranged on the fourth transmission mechanism, and the signal output end of the infrared receiver is connected with the signal input end of the CPU.
[0010] The third transmission mechanism and the first transmission mechanism are completely symmetrical about the horizontal parting surface of the top plate and the bottom plate, and the fourth transmission mechanism and the second transmission mechanism are completely symmetrical about the horizontal parting surface of the top plate and the bottom plate.
[0011] The infrared receiver is arranged on the bottom end surface of the fourth screw nut of the fourth transmission mechanism and is located directly above the infrared emitter.
[0012] The positioning part comprises a positioning plate, which is arranged on the ground through a support and is located at the central position between the top plate and the bottom plate, and a vertical hole is arranged on the positioning plate, the horizontal cross section of the vertical hole is matched with the outermost contour of the plate to be detected, and a limiting strip is arranged on the inner wall of the vertical hole of the positioning plate, the plate to be detected is placed in the vertical hole of the positioning plate and is arranged on the limiting strip, and the inner wall of the vertical hole of the positioning plate is matched with the outer wall of the plate to be detected.
[0013] The first transmission mechanism and the second transmission mechanism are matched, so that the infrared emitter sequentially moves along the respective rivet positions, meanwhile, the third transmission mechanism and the fourth transmission mechanism drive the infrared receiver to synchronously keep at the position directly above the infrared emitter, when the infrared emitter is located directly below the position to be riveted, if the riveting is successful, the light is blocked, the infrared receiver cannot receive the signal, and it is indicated that the riveting at the position is correct, if the infrared emitter passes through the position with a hole in the plate but without riveting, if the infrared receiver above receives the light signal, it is indicated that the position is not incorrectly riveted, after the infrared emitter passes through all the positions to be detected, the riveting detection work of the plate is completed, the detection efficiency of the riveting mistake prevention is greatly improved, and the labor intensity of the workers is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;
[0015] Figure 2 It is a partial enlarged structure schematic view of the utility model A.
[0016] In the drawing, the list of each reference numeral is as follows: 1. bottom plate, 2. top plate, 3. infrared emitter, 4. first motor, 5. first screw nut, 6. sliding plate, 7. second motor, 8. second screw nut, 9. positioning plate. DETAILED DESCRIPTION
[0017] Referring to Figure 1 and Figure 2The utility model discloses a bottom plate 1, positioning part, roof 2, bottom detection part, prompt light and top detection part, bottom detection part and top detection part cooperation carry out the pull rivet mistake proofing detection of the board to be detected, positioning part is used for limiting the position of the board to be detected, and then ensure that every board can be fixed on the same position in succession, and it is convenient for the detection of the following, the roof 2 is set up on the bottom plate 1 through the support, and the roof 2 is located the just above of bottom plate 1, the positioning part is set up on the ground through the support, and it is located between the roof 2 and bottom plate 1, the bottom detection part sets up at the top end surface of bottom plate 1, and top detection part sets up at the bottom end surface of roof 2, the signal input end of prompt light is connected with the signal output end of CPU.
[0018] The bottom detection part includes a first transmission mechanism, a second transmission mechanism and an infrared emitter 3, the first transmission mechanism is arranged on the upper end surface of the bottom plate 1, and the second transmission mechanism is arranged on the first transmission mechanism, the infrared emitter 3 is arranged on the second transmission mechanism, through the cooperation of the first transmission mechanism and the second transmission mechanism, the infrared emitter 3 is driven to move along each detection point, wherein the detection point refers to a position point at which pull riveting is to be performed and a point at which there is a hole but pull riveting is not required, through the detection of each point, it is determined whether pull riveting is insufficient or excessive.
[0019] The first transmission mechanism includes a first motor 4, a first lead screw, a first lead screw nut 5, a sliding plate 6 and a first infrared distance meter, the upper end surface of the bottom plate 1 is provided with a sliding rail along the length direction thereof, and the sliding plate 6 is slidingly arranged on the sliding rail of the upper end surface of the bottom plate 1, the length direction line of the sliding plate 6 is parallel to the width direction line of the bottom plate 1, the first motor 4 is arranged at one end of the upper end surface of the bottom plate 1, and a first vertical plate is arranged at the other end of the upper end surface of the bottom plate 1, one end of the first lead screw is connected with the output shaft of the first motor 4, and the other end of the first lead screw is connected with the first vertical plate, the first lead screw nut 5 is arranged on the first lead screw, the axis line of the first lead screw is parallel to the center line of the sliding rail on the bottom plate 1, the first lead screw nut 5 is connected with the sliding plate 6, the first motor 4 can drive the first lead screw to rotate, thereby driving the first lead screw nut 5 to move along the axis direction of the first lead screw, and the first lead screw nut can drive the sliding plate 6 to slide synchronously, the first infrared distance meter is arranged on the end surface of the first lead screw nut 5 close to the first vertical plate, and the infrared emission end thereof points to the first vertical plate, through the first infrared distance meter, the real-time accurate position of the first lead screw nut and the sliding plate 6 can be known in real time, the signal input end of the first motor 4 is connected with the signal output end of the CPU, and the signal output end of the first infrared distance meter is connected with the signal input end of the CPU.
[0020] The second transmission mechanism comprises a second motor 7, a second lead screw, a second lead screw nut 8 and a second infrared distance meter; the second motor 7 is arranged at one end of the upper end surface of the slide plate 6, and the second vertical plate is arranged at the other end of the upper end surface of the slide plate 6; one end of the second lead screw is connected with the second motor 7, the other end of the second lead screw is connected with the second vertical plate in a shaft manner, and the axis of the second lead screw is perpendicular to the axis of the first lead screw; the second lead screw nut 8 is arranged on the second lead screw; the second motor 7 can drive the second lead screw to rotate, thereby driving the second lead screw nut to move along the axis direction of the second lead screw, and thereby driving the infrared emitter 3 to move synchronously; the second infrared distance meter is arranged on the end surface of the second lead screw nut 8 close to the second vertical plate, and the infrared emission end of the second infrared distance meter points to the second vertical plate; the position of the second lead screw nut 8 can be known in real time through the second infrared distance meter; through the cooperation of the first infrared distance meter and the second infrared distance meter, the real-time position of the infrared emitter 3 is positioned in real time, thereby accurately controlling the movement of the infrared emitter 3, so that the infrared emitter 3 can move sequentially between each detection point; whether the infrared receiver above the infrared emitter 3 receives a signal when the infrared emitter 3 passes through the detection point can be used to judge whether the rivet is pulled normally, whether it is pulled too much or too little; the infrared emitter 3 is arranged at the central position of the top end surface of the second lead screw nut 8, and the infrared emission end thereof is vertically directed upward; the signal input end of the second motor 7 is connected with the signal output end of the CPU; the signal output end of the second infrared distance meter is connected with the signal input end of the CPU.
[0021] The top detection part comprises a third transmission mechanism, a fourth transmission mechanism and an infrared receiver; the transmission mechanism of the top detection part is completely identical with the bottom transmission mechanism, and the action is completely identical, so as to ensure that the infrared receiver can follow above the infrared emitter throughout the process, and ensure that the infrared receiver can smoothly receive the infrared rays from the infrared emitter; the third transmission mechanism is arranged on the lower end surface of the top plate 2, and the fourth transmission mechanism is arranged on the third transmission mechanism; the infrared receiver is arranged on the fourth transmission mechanism, and the signal output end of the infrared receiver is connected with the signal input end of the CPU.
[0022] The third transmission mechanism is completely identical in structure with the first transmission mechanism, and the fourth transmission mechanism is completely identical in structure with the second transmission mechanism; the third transmission mechanism and the first transmission mechanism are symmetric about the horizontal bisector of the top plate 2 and the bottom plate 1, and the fourth transmission mechanism and the second transmission mechanism are symmetric about the horizontal bisector of the top plate 2 and the bottom plate 1.
[0023] The infrared receiver is arranged on the bottom end surface of the fourth lead screw nut of the fourth transmission mechanism, and is located above the infrared emitter 3; the infrared receiver and the infrared emitter move synchronously throughout the process.
[0024] The positioning part comprises a positioning plate 9; the positioning plate 9 is arranged on the ground through a support and is located at a central position between the top plate 2 and the bottom plate 1; the positioning plate 9 is provided with vertical holes, and the horizontal cross section of the vertical holes is matched with the outermost contour of the plate to be detected; limit strips are arranged on the inner wall of the vertical holes of the positioning plate 9 along a line; the plate to be detected is placed in the vertical holes of the positioning plate 9 and is arranged on the limit strips; the plate to be detected is arranged on the limit strips, and the holes of the positioning plate 9 limit the position of the plate to be detected, so that the position of each plate to be detected is kept consistent when the plate to be detected is placed on the positioning plate 9, and the positions of the detection points can be accurately detected in subsequent infrared detection; the inner wall of the vertical holes of the positioning plate 9 is matched with the outer wall of the plate to be detected.
[0025] The model of the CPU module in the utility model is 87C196KC.
[0026] Principle: the positions of the same batch of plates to be detected and the positions of the holes but not needing riveting are known; the plate to be detected is placed in the holes of the positioning plate 9 to limit the position; each motor is started to enable the infrared transmitter and the infrared receiver to move synchronously and always keep the infrared receiver above the infrared transmitter; each motor is actuated to accurately control the positions of the infrared transmitter and the receiver in cooperation with each infrared distance meter, so that the infrared transmitter and the receiver pass through the detection points in sequence; the detection points are the above-mentioned riveting positions and the positions of the holes but not needing riveting; after the combination of the infrared receiver and the transmitter passes through all the points in sequence, if all the riveting positions are not transparent and all the positions of the holes but not needing riveting are transparent, it is indicated that the plate processing is correct; at this time, the prompt lamp is bright, indicating that the plate is normal; otherwise, the prompt lamp is not bright, indicating that the plate processing has a problem and needs to be returned for correction.
Claims
1. A device for detecting errors in plate riveting, characterized by: The invention comprises a bottom plate (1), a positioning part, a top plate (2), a bottom detection part, a prompt light and a top detection part; the top plate (2) is arranged on the bottom plate (1) through a bracket, and the top plate (2) is located directly above the bottom plate (1); the positioning part is arranged on the ground through the bracket, and is located between the top plate (2) and the bottom plate (1); the bottom detection part is arranged on the top end surface of the bottom plate (1), and the top detection part is arranged on the bottom end surface of the top plate (2); the signal input end of the prompt light is connected to the signal output end of the CPU.
2. The error-proofing detection device for plate riveting processing according to claim 1 is characterized in that: The bottom detection part comprises a first transmission mechanism, a second transmission mechanism and an infrared emitter (3); the first transmission mechanism is arranged on the upper end surface of the bottom plate (1), and the second transmission mechanism is arranged on the first transmission mechanism; the infrared emitter (3) is arranged on the second transmission mechanism.
3. The error-proofing detection device for plate riveting processing according to claim 2 is characterized in that: The first transmission mechanism comprises a first motor (4), a first lead screw, a first lead screw nut (5), a slide plate (6) and a first infrared rangefinder; the upper end surface of the base plate (1) is provided with a slide rail along its length direction, and the slide plate (6) is slidably provided on the slide rail of the upper end surface of the base plate (1); the length direction line of the slide plate (6) is parallel to the width direction line of the base plate (1); the first motor (4) is provided at one end of the upper end surface of the base plate (1), and the first vertical plate is provided at the other end of the upper end surface of the base plate (1); one end of the first lead screw is connected to the output shaft of the first motor (4) The first screw is connected to the first vertical plate; the other end of the first screw is axially connected to the first vertical plate; the first screw nut (5) is arranged on the first screw; the axis of the first screw is parallel to the center line of the slide rail on the base plate (1); the first screw nut (5) is connected to the slide plate (6); the first infrared rangefinder is arranged on the end surface of the first screw nut (5) close to the first vertical plate, and its infrared emitting end points to the first vertical plate; the signal input end of the first motor (4) is connected to the signal output end of the CPU; the signal output end of the first infrared rangefinder is connected to the signal input end of the CPU.
4. The error-proofing detection device for plate riveting processing according to claim 3 is characterized in that: The second transmission mechanism comprises a second motor (7), a second lead screw, a second lead screw nut (8) and a second infrared rangefinder; the second motor (7) is arranged at one end of the upper end surface of the slide (6), and the second vertical plate is arranged at the other end of the upper end surface of the slide (6); one end of the second lead screw is connected to the second motor (7), the other end of the second lead screw is axially connected to the second vertical plate, and the axis of the second lead screw is perpendicular to the axis of the first lead screw; the second lead screw nut (8) is arranged on the second lead screw; the second infrared rangefinder is arranged on the end surface of the second lead screw nut (8) close to the second vertical plate, and the infrared emitting end of the second infrared rangefinder points to the second vertical plate; the infrared emitter (3) is arranged at the center position of the top end surface of the second lead screw nut (8), and its infrared emitting end points vertically upward; the signal input end of the second motor (7) is connected to the signal output end of the CPU; the signal output end of the second infrared rangefinder is connected to the signal input end of the CPU.
5. The error-proofing detection device for plate riveting processing according to claim 4 is characterized in that: The top detection part comprises a third transmission mechanism, a fourth transmission mechanism and an infrared receiver; the third transmission mechanism is arranged on the lower end surface of the top plate (2), and the fourth transmission mechanism is arranged on the third transmission mechanism; the infrared receiver is arranged on the fourth transmission mechanism, and the signal output end of the infrared receiver is connected to the signal input end of the CPU.
6. The error-proofing detection device for plate riveting processing according to claim 5 is characterized in that: The structure of the third transmission mechanism is completely identical to that of the first transmission mechanism, and the structure of the fourth transmission mechanism is completely identical to that of the second transmission mechanism; the third transmission mechanism is symmetrical to the first transmission mechanism with respect to the horizontal plane bisecting the top plate (2) and the bottom plate (1), and the fourth transmission mechanism is symmetrical to the second transmission mechanism with respect to the horizontal plane bisecting the top plate (2) and the bottom plate (1).
7. The error-proofing detection device for plate riveting processing according to claim 6 is characterized in that: The infrared receiver is arranged on the bottom end surface of the fourth lead screw nut of the fourth transmission mechanism and is located directly above the infrared transmitter (3).
8. The error-proofing detection device for plate riveting processing according to claim 7 is characterized in that: The positioning part includes a positioning plate (9); the positioning plate (9) is set on the ground through a bracket, and is located at a central position between the top plate (2) and the bottom plate (1); a vertical hole is provided on the positioning plate (9), and the contour of the horizontal cross section of the vertical hole matches the contour of the outermost edge of the plate to be detected; a limiting strip is provided along the inner wall of the vertical hole of the positioning plate (9), and the plate to be detected is placed in the vertical hole of the positioning plate (9), and the plate to be detected is placed on the limiting strip; the inner wall of the vertical hole of the positioning plate (9) matches and contacts the outer wall of the plate to be detected.