A cylinder head seat ring feeding mistake-proofing device and method

By using through-beam laser technology to perform two inspections on the cylinder head seat rings, the problem of incorrect seat ring orientation was solved, achieving a 100% error prevention rate and improving the accuracy of cylinder head seat ring loading and production efficiency.

CN116618984BActive Publication Date: 2026-02-27CHINA FAW CO LTD
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Patent Information

Application Number
CN202310695341.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-13
Publication Date
2026-02-27
Estimated Expiration
2043-06-13

AI Technical Summary

Technical Problem

The existing cylinder head seat ring feeding process has a problem with incorrect seat ring orientation during pressing, resulting in an error prevention rate of less than 99.9%.

Method used

Using through-beam laser technology, the chamfer inside the seat ring is inspected twice. The position of the seat ring is detected by the first and second devices respectively. If the position is incorrect, it is rotated 180 degrees and re-inspected until the position is correct, and the defective product is rejected.

Benefits of technology

It achieves a 100% error prevention rate, ensuring that the seat ring is correctly oriented before entering the next workstation, thereby improving production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a cylinder cover seat ring feeding mistake-proofing device and method, belongs to the technical field of feeding mistake-proofing, and comprises a base, a cylinder, a first rotary cylinder, a profiling fixture, a receiving jig and a first pair of light emitting photoelectric sensors. The cylinder and the first rotary cylinder are arranged on the base. The receiving jig is fixedly connected to the first rotary cylinder. The receiving jig is provided with a through channel capable of accommodating the seat ring. The through channel is vertically provided with an opening. The cylinder is fixedly connected with the profiling fixture. The profiling fixture can move close to or away from the opening under the driving of the cylinder. The profiling fixture can be matched with the chamfer of the seat ring in the receiving jig by passing through the opening. The profiling fixture is provided with a through hole. The first pair of light emitting photoelectric sensors are arranged on both sides of the through hole. A laser beam can pass through the through hole. The mistake-proofing rate reaches 100% through laser beam detection.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of feeding error prevention, in particular to a cylinder cover seat ring feeding error prevention device and method. BACKGROUND

[0002] The seat ring pressing equipment of the engine cylinder cover production line is the main auxiliary machine equipment of the cylinder cover line, and the engine cylinder cover seat ring feeding is in an automatic feeding mode. In the automatic feeding process of the seat ring, the existing error prevention technology adopts mechanical and measurement error prevention technology. The seat ring utilizes the outer chamfer mechanical error prevention technology. If the chamfer direction is incorrect, the seat ring is automatically fed into the reject bin, and the error prevention rate reaches 99.9%. SUMMARY

[0003] The application provides a cylinder cover seat ring feeding error prevention device and method. The technology of the opposite laser is adopted on the production line, and two error prevention measures are adopted, so that the correctness rate reaches 100%. The seat ring utilizes the inner chamfer, adopts the laser opposite technology, detects whether the chamfer of the seat ring is laser opposite feedback, and adopts the error prevention measure. If the position is incorrect, the seat ring is rejected into the material box by the reject cylinder.

[0004] The technical scheme of the application is as follows. A cylinder cover seat ring feeding error prevention device comprises a first device and a second device.

[0005] The first device comprises a base, a cylinder, a first rotary cylinder, a profiling fixture, a material receiving jig and a first opposite photoelectric sensor. The cylinder and the first rotary cylinder are arranged on the base. The first rotary cylinder is fixedly connected with the material receiving jig. The material receiving jig is provided with a through channel capable of accommodating the seat ring. The through channel is vertically provided with an opening. The cylinder is fixedly connected with the profiling fixture. The profiling fixture can move close to or away from the opening under the driving of the cylinder. The profiling fixture can cooperate with the chamfer of the seat ring in the material receiving jig by penetrating the opening. The profiling fixture is provided with a through hole. The first opposite photoelectric sensor is arranged on both sides of the through hole. A laser beam can penetrate the through hole.

[0006] The second device comprises a feeding bin, a second opposite photoelectric sensor and a material receiving device arranged in the feeding bin. One end of the feeding bin is provided with a channel. The seat ring enters the feeding bin from the channel to the material receiving device. The material receiving device can rotate under the driving of the second rotary cylinder. The surface of the feeding bin is further provided with a through hole. The second opposite photoelectric sensor is arranged on both sides of the through hole of the feeding bin according to the angle of the chamfer of the seat ring. A laser beam can penetrate the through hole.

[0007] Further, the first device further comprises a first material rejection sensor arranged on the material receiving jig. The first material rejection sensor probe is arranged in the channel of the material receiving jig.

[0008] Further, the second device further comprises a reject cylinder, a second material rejection sensor, a material discharging guide and a material returning box.

[0009] Further, the second pair of light photoelectric sensors is fixed on the feed bin through a support.

[0010] A cylinder cover seat loading mistake proofing method, comprising the following steps:

[0011] The seat enters a first device receiving jig, a profiling fixture is driven by a cylinder to cooperate with the seat, a first pair of light photoelectric sensors is opened, if the laser beam of the first pair of light photoelectric sensors can pass through the first through hole, the seat position is correct, if the laser beam of the first pair of light photoelectric sensors cannot pass through the first through hole, a first rotary cylinder is rotated by 180 degrees;

[0012] The seat with correct position is transported to a second device feed bin, a second pair of light photoelectric sensors is opened, if the laser beam of the second pair of light photoelectric sensors can pass through the second through hole, the seat position is correct, if the laser beam of the second pair of light photoelectric sensors cannot pass through the second through hole, a second rotary cylinder is rotated by 180 degrees, if the laser beam of the second pair of light photoelectric sensors still cannot pass through the second through hole, the seat is pushed by a material rejection cylinder to pass through a discharge guide and enter a return box.

[0013] The beneficial effect of the present application is that the mistake proofing rate reaches 100% through laser detection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a seat schematic diagram I.

[0015] Figure 2 It is a first device schematic diagram of the present application.

[0016] Figure 3 It is a second device schematic diagram of the present application.

[0017] Figure 4 It is a second device internal schematic diagram of the present application.

[0018] Figure 5 It is a seat schematic diagram II.

[0019] Figure 6 It is a seat side view perspective drawing.

[0020] In the drawing:

[0021] 101-base; 102-cylinder; 103-first rotary cylinder; 104-profiling fixture; 105-receiving jig; 106-first pair of light photoelectric sensors; 107-first feeding sensor; 201-feed bin; 202-second pair of light photoelectric sensors; 203-receiving device; 205-material rejection cylinder; 206-second feeding sensor; 207-discharge guide; 3-seat; 4-laser beam. DETAILED DESCRIPTION

[0022] It should be noted that in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation.

[0023] In the present application, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" and the like should be understood broadly, for example, "fixed" can be fixed connection, or detachable connection, or integral; the connection can be mechanical connection, or electrical connection; the connection can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] The technical problem to be solved by the present application is to prevent the cylinder cover seat ring 3 from being pressed before being pressed, and to prevent the seat ring 3 from being pressed in the wrong direction. The laser detection is carried out through the chamfer in the seat ring 3. If there is an error, the seat ring 3 is rotated by 180° and sent to the next station for continuous detection. The qualified products continue to be transported through the channel, and the unqualified products are rejected to the unqualified bin

[0025] The seat ring 3 is a circular ring with chamfer, and the inner side of the circular ring is chamfered by 15 degrees, as shown in Figure 1 .

[0026] A cylinder cover seat ring feeding mistake-proof device, comprising: a first device and a second device,

[0027] The first device comprises a base 101, a cylinder 102, a first rotary cylinder 103, a profiling fixture 104, a receiving jig 105 and a first pair of laser photoelectric sensors 106. The cylinder 102 and the first rotary cylinder 103 are arranged on the base 101. The first rotary cylinder 103 is fixedly connected with the receiving jig 105. The receiving jig 105 is provided with a through channel capable of accommodating the seat ring 3, and is provided with an opening perpendicular to the channel direction. The cylinder 102 is fixedly connected with the profiling fixture 104. The profiling fixture 104 can be driven by the cylinder 102 to move close to or away from the opening. The profiling fixture 104 can pass through the opening and cooperate with the chamfer of the seat ring in the receiving jig 105. The profiling fixture 104 is provided with a through hole. The first pair of laser photoelectric sensors 106 are arranged on both sides of the through hole. The laser beam can pass through the through hole;

[0028] The second device comprises a feeding bin 201, a second pair of laser photoelectric sensors 202, and a receiving device 203 arranged in the feeding bin. The feeding bin 201 is provided with a passage at one end, and the seat ring 3 enters the feeding bin 201 from the passage to the receiving device 203. The receiving device 203 can rotate under the driving of the second rotary cylinder. The feeding bin 201 is further provided with a through hole penetrating the surface. The second pair of laser photoelectric sensors 202 are arranged on both sides of the through hole of the feeding bin 201 according to the angle of the seat ring chamfer, and the laser beam can pass through the through hole.

[0029] The first device further comprises a first feeding sensor 107 arranged on the receiving jig 105. The first feeding sensor probe is arranged in the passage of the receiving jig 105.

[0030] The second device further comprises a rejecting cylinder 205, a second feeding sensor 206, a discharging guide 207, and a returning box.

[0031] The second pair of laser photoelectric sensors 202 are fixed on the feeding bin 201 through a support.

[0032] The seat ring 3 automatically enters the receiving jig 105 through the vibrating bin. The receiving jig 105 is a cylinder, which is provided with a through passage penetrating the surface and capable of accommodating the seat ring 3. An opening is arranged vertically at the passage position. A profiling fixture 104 is arranged opposite to the opening. The profiling fixture 104 can approach or move away from the opening under the driving of the cylinder 102. The profiling fixture 104 is provided with a through hole penetrating the surface. The first pair of laser photoelectric sensors 106 are arranged on both sides of the through hole.

[0033] The profiling fixture 104 can pass through the opening and cooperate with the seat ring chamfer to detect whether the seat ring position is correct.

[0034] If the seat ring position is correct, the laser can penetrate the through hole on the profiling fixture 104, and then enter the second device.

[0035] If the seat ring position is incorrect, the laser cannot penetrate the through hole on the profiling fixture 104, and an error signal is sent. The first rotary cylinder 103 is controlled by the program to rotate 180 degrees with the receiving jig 105 as the axis. After rotation, the seat ring 3 enters the second device.

[0036] The seat ring 3 enters the receiving jig 105 of the first device. The profiling fixture 104 is driven by the cylinder 102 to cooperate with the seat ring 3, and the first pair of laser photoelectric sensors 106 are turned on. If the laser beam of the first pair of laser photoelectric sensors can penetrate the through hole, the seat ring 3 position is correct. If the laser beam of the first pair of laser photoelectric sensors cannot penetrate the through hole, the first rotary cylinder is rotated by 180 degrees.

[0037] The position correct seat 3 is transported to the second device feeding bin 201, the second pair of light photoelectric sensor 202 is opened, if the second pair of light photoelectric sensor 202 laser beam can pass through the through hole, then the seat position is correct, if the second pair of light photoelectric sensor 202 laser beam cannot pass through the through hole, then the second rotating cylinder drives the material receiving device 203 to rotate 180 degrees, if the second pair of light photoelectric sensor 202 laser beam still cannot pass through the through hole, then the seat is pushed by the material rejecting cylinder 205 and passes through the discharging guide 207 and enters the return material box.

[0038] The cylinder 102, the first rotating cylinder 103, the first pair of light photoelectric sensor 106, the first feeding sensor 107, the second pair of light photoelectric sensor 202, the second rotating cylinder, the material rejecting cylinder 205 and the second feeding sensor 206 are connected with the computer, and the whole process is controlled by the computer, without manual operation.

[0039] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make any modification, equivalent replacement and improvement within the technical range disclosed by the present application, as long as it is within the spirit and principle of the present application, which should be covered within the protection scope of the present application.

[0040] It should be noted that, in this paper, such as the first and second relationship terms are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent in such process, method, article or equipment.

Claims

1. A cylinder head gasket loading mistake proofing device, characterized by, The device comprises: A first device and a second device; The first device comprises: a base, a cylinder, a first rotary cylinder, a profiling fixture, a receiving jig and a first pair of light electric sensors, the cylinder and the first rotary cylinder are arranged on the base, the first rotary cylinder is fixedly connected with the receiving jig, the receiving jig is provided with a through channel capable of accommodating a raceway, the through channel is vertically provided with an opening, the cylinder is fixedly connected with the profiling fixture, the profiling fixture can move close to or away from the opening under the driving of the cylinder, the profiling fixture can be matched with the raceway in the receiving jig through the opening, the profiling fixture is provided with a through hole, and the first pair of light electric sensors are arranged on both sides of the through hole, and a laser beam can pass through the through hole; The second device comprises: a feeding bin, a second pair of light electric sensors, and a receiving device arranged in the feeding bin, one end of the feeding bin is provided with a channel, the raceway enters the feeding bin from the channel to the receiving device, the receiving device can be rotated under the driving of the second rotary cylinder, the surface of the feeding bin is also provided with a through hole, the second pair of light electric sensors are arranged on both sides of the through hole of the feeding bin according to the angle of the raceway chamfer, and a laser beam can pass through the through hole.

2. The cylinder head gasket loading mistake proofing device of claim 1, wherein, The first device further comprises a first feeding sensor arranged on the receiving jig, and a first feeding sensor probe arranged in the channel of the receiving jig.

3. The cylinder head gasket loading mistake proofing device of claim 2, wherein, The second device further comprises a rejecting cylinder, a second feeding sensor, a discharging guide and a returning box.

4. The cylinder head gasket loading mistake proofing device of claim 3, wherein, The second pair of light electric sensors are fixed on the feeding bin through a support.

5. The mistake-proofing method using the device of claim 4, comprising the following steps: The raceway enters the receiving jig of the first device, the profiling fixture is matched with the raceway under the driving of the cylinder, the first pair of light electric sensors are turned on, if the laser beam of the first pair of light electric sensors can pass through the first through hole, the position of the raceway is correct, if the laser beam of the first pair of light electric sensors cannot pass through the first through hole, the first rotary cylinder is rotated by 180 degrees; The raceway with correct position is transported into the feeding bin of the second device, the second pair of light electric sensors are turned on, if the laser beam of the second pair of light electric sensors can pass through the second through hole, the position of the raceway is correct, if the laser beam of the second pair of light electric sensors cannot pass through the second through hole, the second rotary cylinder is rotated by 180 degrees, if the laser beam of the second pair of light electric sensors still cannot pass through the second through hole, the raceway is pushed into the returning box through the discharging guide under the driving of the rejecting cylinder.

Citation Information

Patent Citations

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