Automatic detection equipment suitable for crankcase production line

Abstract

The utility model discloses automatic detection equipment suitable for a crankcase production line. The automatic detection equipment comprises a conveying device, a lifting device, a transfer device and a detection device, a detection sensor is arranged on the output device; the transferring device comprises a stand column and a cantilever. The lifting device comprises a lifting driving device, a lifting frame and a group of connecting mechanisms; the connecting mechanism comprises a rotary driving device and a bolt assembly; the detection device comprises an upper detection camera and a lower detection assembly; the lower detection assembly comprises a rotating device arranged on the conveying device, a connecting rod arranged on the rotating device and a lower detection camera arranged on the connecting rod; a placing table is arranged on the side, away from the conveying device, of the transferring device and used for placing unqualified crankcases. The automatic detection equipment suitable for the crankcase production line is used in the crankcase production line and can automatically detect passing crankcases, so that the labor intensity of workers is reduced, the detection efficiency is high, and missing detection and false detection are reduced and avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to detection device, concretely relates to a kind of automation detection equipment suitable for crankcase production line. BACKGROUND

[0002] Crankcase is an important component in automobile engine, located in the lower part of cylinder block, mainly for installing crankshaft.Crankcase production line is a flow line equipment for producing crankcase;When crankcase is more complex, production line in machining crankcase, often need multiple processing equipment in turn processing: first, cast into the crankcase casting piece of molding is placed on loading table, by manipulator crankcase casting piece is transferred from loading table to conveyer belt, by conveyer belt crankcase casting piece is transported to the first processing equipment, by manipulator crankcase casting piece on conveyer belt is transferred to the first processing equipment and is processed (milling, boring and other material removal operations), after processing, continue by manipulator to transfer the semi-finished product to another conveyer belt, by conveyer belt semi-finished product is transported to another processing equipment for further processing (finishing operation), until crankcase machining is completed.

[0003] In the above crankcase production step, when the previous process is completed, detection is needed before being transferred to the next process, to avoid defective parts flowing into the next process for processing, thereby causing resource waste.Current process detection is usually equipped with staff for visual inspection;This manual detection method is prone to miss detection and misdiagnosis.Furthermore, the machining position of some crankcases is at the bottom, and the crankcase needs to be lifted for observation during detection, so that the labor intensity of workers is large, and the detection efficiency is low. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the present application provides a kind of automation detection equipment suitable for crankcase production line.The automation detection equipment suitable for crankcase production line of the present application is used for the detection of the crankcase in crankcase production line, thereby reducing the labor intensity of workers, and the detection efficiency is high, and the occurrence of miss detection and misdiagnosis is reduced.

[0005] The technical scheme of the present application is:

[0006] The application discloses an automatic detection equipment suitable for a crankcase production line, which comprises a conveying device, a lifting device, a transfer device and a detection device; the conveying device is used for receiving the crankcase transferred from a previous process and conveying the crankcase to the lower side of the lifting device; a detection sensor is arranged on the conveying device, and the conveying device is paused when the detection sensor detects the crankcase during operation; the transfer device comprises a stand and a cantilever, and the cantilever can rotate around the stand; the lifting device comprises a lifting driving device arranged on the cantilever, a lifting frame connected with the lifting driving device and a group of connecting mechanisms arranged on the lifting frame; the connecting mechanism comprises a rotating driving device arranged on the lifting frame and a bolt assembly in transmission connection with the rotating driving device, and the end of the bolt assembly can rotate into a threaded hole on the crankcase during operation; the detection device comprises an upper detection camera arranged on the lower surface of the lifting frame and a lower detection assembly arranged on the conveying device; the lower detection assembly comprises a rotating device arranged on the conveying device, a connecting rod arranged on the rotating device and a lower detection camera arranged on the connecting rod; a placing table is arranged on the side of the transfer device away from the conveying device, and is used for placing the unqualified crankcase.

[0007] Compared with the prior art, the automatic detection equipment suitable for the crankcase production line is provided with the conveying device, the lifting device, the transfer device and the detection device, the upper surface of the crankcase is photographed by the upper detection camera and uploaded to the host computer, the lower surface of the crankcase is photographed by the lower detection camera and uploaded to the host computer, the host computer automatically compares the photos uploaded by the upper detection camera and the lower detection camera with qualified pictures, after the comparison is completed, if the host computer judges that the crankcase is qualified, the qualified crankcase is conveyed to the next process, and if the host computer judges that the crankcase is unqualified, the crankcase is placed on the placing table to wait for the worker to remove, so that the labor intensity of the workers is reduced, the detection efficiency is higher, the occurrence of missed detection and misjudgment is reduced, and the qualified rate of the crankcase products is improved.

[0008] As an optimization, the bolt assembly in the automatic detection equipment suitable for the crankcase production line comprises a bolt head, a sleeve and a buffer spring; the lower end of the sleeve is fixedly connected with the bolt head, the inner side of the upper end of the sleeve and the outer side of the transmission shaft of the rotating driving device form a sliding pair structure, the buffer spring is arranged in the sleeve and located between the transmission shaft of the rotating driving device and the bolt head, and a strip-shaped through hole is arranged on the sleeve and used for limiting the movement of the sleeve relative to the transmission shaft. The buffer spring is arranged in the sleeve, and when the bolt head contacts the crankcase during operation, the buffer spring can play a buffering role, so that the bolt head is prevented from damaging the crankcase, and the reliability of the equipment is improved.

[0009] As an optimization, the sleeve is provided with an annular plate in the foregoing automatic detection equipment applicable to a crankcase production line; and the lifting frame is provided with a contact switch. With this structure, when the screw hole of the crankcase is unqualified or the crankcase is not stopped right below the lifting device, i.e. the bolt head cannot normally enter the screw hole, the annular plate on the sleeve will touch the contact switch as the lifting frame is lowered, so that the contact switch is activated to stop the lifting device, avoiding damage to the equipment or the crankcase caused by the continuous lowering of the lifting device, and further improving the reliability of the equipment.

[0010] As an optimization, the lifting frame is provided with a bearing at the contact position with the transmission shaft of the rotary driving device in the foregoing automatic detection equipment applicable to a crankcase production line. The bearing can limit the transmission shaft of the rotary driving device, avoiding damage to the rotary driving device caused by the inclination of the transmission shaft.

[0011] As an optimization, the detection sensor is a photoelectric sensor in the foregoing automatic detection equipment applicable to a crankcase production line. The photoelectric sensor has the advantages of fast response and accurate identification.

[0012] As an optimization, the placement table is provided with a pressure sensor in the foregoing automatic detection equipment applicable to a crankcase production line. The pressure sensor can remind the worker to timely remove the unqualified crankcase.

[0013] As an optimization, the lifting driving device is a lifting cylinder in the foregoing automatic detection equipment applicable to a crankcase production line. The lifting cylinder has the advantages of simple structure, convenient maintenance, and fast response speed.

[0014] As an optimization, the rotary driving device is a motor in the foregoing automatic detection equipment applicable to a crankcase production line. The motor has the advantages of high precision and low maintenance cost.

[0015] As an optimization, the rotary driving device is a rotary cylinder in the foregoing automatic detection equipment applicable to a crankcase production line. The rotary cylinder has the advantages of small space occupation, high precision, and fast response. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic diagram of the automatic detection equipment applicable to a crankcase production line of the present application when working Figure 1 ;

[0017] Figure 2 is a structure schematic diagram of the automatic detection equipment applicable to a crankcase production line of the present application when working Figure 2 ;

[0018] Figure 3 is a structure schematic diagram of the automatic detection equipment applicable to a crankcase production line of the present application when working

[0019] Figure 4 is the structural diagram of the lifting device in the present application;

[0020] Figure 5 is another view of Figure 4 ;

[0021] Figure 6 is the structural diagram of the connecting mechanism in the present application;

[0022] Figure 7 is the structural diagram of the bolt assembly in the present application;

[0023] Figure 8 is another view of Figure 7 ;

[0024] Figure 9 is the structural diagram of the crankcase in the present application.

[0025] The marks in the drawings are: 1-conveying device; 2-lifting device, 21-lifting drive device, 22-lifting frame, 23-connecting mechanism, 231-rotary drive device, 232-bolt assembly, 2321-bolt head, 2322-sleeve, 2323-buffer spring, 2324-annular plate; 3-transfer device, 31-stand, 32-cantilever; 4-detection device, 41-upper detection camera, 42-lower detection assembly, 421-rotary device, 422-linkage, 423-lower detection camera; 5-crankcase, 51-thread hole; 6-detection sensor; 7-placing table; 8-contact switch; 9-bearing. DETAILED DESCRIPTION

[0026] The present application will be further described below in conjunction with the drawings and examples, but it is not limited to the basis of the application. In the following examples, the contents not described in detail or not shown in detail in the drawings are all the technical common sense in the art.

[0027] Example (see Figures 1-9 ):

[0028] The utility model provides an automatic detection equipment suitable for crankcase production line, including conveying device 1, lifting device 2, transfer device 3 and detection device 4, conveying device 1 is used to receive the crankcase 5 transferred from the previous process and is conveyed to the below of lifting device 2, and detection sensor 6 is equipped on conveying device 1, when detection sensor 6 detects the crankcase 5 in working, conveying device 1 pauses, transfer device 3 includes column 31 and cantilever 32, and cantilever 32 can rotate around column 31, lifting device 2 includes lifting drive device 21 arranged on cantilever 32, lifting frame 22 connected with lifting drive device 21 and a group of connecting mechanisms 23 arranged on lifting frame 22, connecting mechanism 23 includes rotating drive device 231 arranged on lifting frame 22 and bolt assembly 232 transmission connected with rotating drive device 231, and when working, the end of bolt assembly 232 can rotate into the screw hole 51 on the crankcase 5, detection device 4 includes upper detection camera 41 arranged on the lower surface of lifting frame 22 and lower detection assembly 42 arranged on conveying device 1, and lower detection assembly 42 includes rotating device 421 arranged on conveying device 1, connecting rod 422 arranged on rotating device 421 and lower detection camera 423 arranged on connecting rod 422, and the side away from conveying device 1 of transfer device 3 is equipped with placing table 7 for placing unqualified crankcase 5.

[0029] In the embodiment, the bolt assembly 232 includes a bolt head 2321, a sleeve 2322, and a buffer spring 2323. The lower end of the sleeve 2322 is fixedly connected with the bolt head 2321, and the inner side of the upper end of the sleeve 2322 forms a sliding pair structure with the outer side of the transmission shaft of the rotating drive device 231. The buffer spring 2323 is arranged inside the sleeve 2322 and between the transmission shaft of the rotating drive device 231 and the bolt head 2321. A strip-shaped through hole is arranged on the sleeve 2322 to limit the movement of the sleeve 2322 relative to the transmission shaft. With the buffer spring 2323, when the bolt head 2321 contacts the crankcase 5 during operation, the buffer spring 2323 can play a buffering role, avoiding damage to the crankcase 5 by the bolt head 2321 and improving the reliability of the equipment.

[0030] In the embodiment, an annular plate 2324 is arranged on the sleeve 2322, and a contact switch 8 is arranged on the lifting frame 22. When the screw hole 51 of the crankcase 5 is unqualified or the crankcase 5 does not stop directly below the lifting device 2, i.e., the bolt head 2321 cannot normally enter the screw hole 51, as the lifting frame 22 descends, the annular plate 2324 on the sleeve 2322 will touch the contact switch 8, causing the contact switch 8 to start and pause the lifting device 2, avoiding damage to the equipment or the crankcase 5 caused by the continuous descent of the lifting device 2, and further improving the reliability of the equipment.

[0031] In the embodiment, the lifting frame 22 is provided with a bearing 9 at the position where the transmission shaft of the rotary driving device 231 is in contact. The bearing can limit the transmission shaft of the rotary driving device 231, avoiding the damage of the rotary driving device 231 caused by the inclination of the transmission shaft.

[0032] In the embodiment, the detection sensor 6 is a photoelectric sensor. The photoelectric sensor has the advantages of fast response and accurate identification.

[0033] In the embodiment, the placing table 7 is provided with a pressure sensor. The pressure sensor can remind the staff to remove the unqualified crankcase 5 in time.

[0034] In the embodiment, the conveying device 1 is a belt conveyor; the lifting driving device 21 is a lifting cylinder; the rotary driving device 231 is a motor; and the rotating device 421 is a rotary cylinder.

[0035] When the automatic detection equipment suitable for the crankcase production line of the embodiment works, the following steps are performed (the position of the detection sensor 6 is calibrated in advance, so that the crankcase 5 can be accurately stopped below the lifting device 2):

[0036] ① After the conveying device 1 receives the crankcase 5 of the previous process in the crankcase production line, the crankcase 4 is conveyed to the lower side of the lifting device 2;

[0037] ② When the detection sensor 6 on the conveying device 1 detects the crankcase 4, the conveying device 1 stops;

[0038] ③ The upper detection camera 41 takes a photo of the crankcase 5 and uploads it to the host computer, the lifting driving device 21 in the lifting device 2 drives the lifting frame 22 to descend, and the rotary driving device 231 drives the screw assembly 232 to rotate, so that the screw head 2321 of the screw assembly 232 rotates into the screw hole 51 on the crankcase 5;

[0039] ④ Stop the rotary driving device 231, and the lifting driving device 21 drives the lifting frame 22 to ascend, thereby driving the crankcase 5 to ascend;

[0040] ⑤ After lifting to the position, the rotating device 421 in the lower detection assembly 42 drives the connecting rod 422 to rotate below the crankcase 5, and the lower detection camera 423 takes a photo of the crankcase 5 and uploads it to the host computer;

[0041] ⑥ The rotating device 421 in the lower detection assembly 42 drives the connecting rod 422 to reset;

[0042] The host computer automatically compares the photos uploaded by the upper detection camera 41 and the lower detection camera 423 with the qualified pictures, and after the comparison is completed, if the host computer judges that the crankcase 5 is qualified, step 7 is performed, and if the host computer judges that the crankcase 5 is unqualified, step 9 is performed;

[0043] The lifting driving device 21 drives the lifting frame 22 to descend, and the crankcase 5 is placed on the conveying device 1. The rotating driving device 231 drives the bolt assembly 232 to rotate, so that the bolt head 2321 of the bolt assembly 232 is withdrawn from the screw hole 51 on the crankcase 5. The lifting driving device 21 drives the lifting frame 22 to ascend and reset. The conveying device 1 is started, and the qualified crankcase 5 is conveyed to the next process.

[0044] The cantilever 32 in the transfer device 3 rotates and drives the crankcase 5 to the upper side of the placement table 7. The lifting driving device 21 drives the lifting frame 22 to descend, and the crankcase 5 is placed on the placement table 7. The rotating driving device 231 drives the bolt assembly 232 to rotate, so that the bolt head 2321 of the bolt assembly 232 is withdrawn from the screw hole 51 on the crankcase 5. The lifting driving device 21 drives the lifting frame 22 to ascend. After the lifting frame 22 is in place, the cantilever 32 rotates and drives the lifting device 2 to the upper side of the conveying device 1. The conveying device 1 is started.

[0045] The general description of the utility model involved in the present application and the description of the specific embodiments should not be understood as a limitation of the technical solutions of the utility model. Based on the disclosure of the present application, the skilled in the art can add, reduce or combine the disclosed technical features in the general description or / and the specific embodiments (including examples) without violating the elements of the utility model involved, to form other technical solutions within the scope of protection of the present application.

Claims

1. An automated inspection apparatus suitable for use in a crankcase production line, characterised in that: The application relates to a lifting device for a crankcase, which comprises a conveying device (1), a lifting device (2), a transfer device (3) and a detection device (4); the conveying device (1) is used for receiving a crankcase (5) transferred from a previous process and conveying the crankcase to the lower side of the lifting device (2); a detection sensor (6) is arranged on the conveying device (1); when the detection sensor (6) detects the crankcase (5) during work, the conveying device (1) is paused; the transfer device (3) comprises a stand (31) and a cantilever (32), the cantilever (32) can rotate around the stand (31); the lifting device (2) comprises lifting driving devices (21) arranged on the cantilever (32), a lifting frame (22) connected with the lifting driving devices (21) and a group of connecting mechanisms (23) arranged on the lifting frame (22); the connecting mechanisms (23) comprise rotating driving devices (231) arranged on the lifting frame (22) and bolt assemblies (232) in transmission connection with the rotating driving devices (231); during work, the end of the bolt assembly (232) can be screwed into a screw hole (51) on the crankcase (5); the detection device (4) comprises an upper detection camera (41) arranged on the lower surface of the lifting frame (22) and a lower detection assembly (42) arranged on the conveying device (1); the lower detection assembly (42) comprises rotating devices (421) arranged on the conveying device (1), connecting rods (422) arranged on the rotating devices (421) and lower detection cameras (423) arranged on the connecting rods (422); a placing table (7) is arranged on the side of the transfer device (3) far from the conveying device (1) and used for placing unqualified crankcases (5).

2. The automated inspection apparatus suitable for use in a crankcase production line according to claim 1, characterized in that: The bolt assembly (232) comprises a bolt head (2321), a sleeve (2322) and a buffer spring (2323); the lower end of the sleeve (2322) is fixedly connected with the bolt head (2321), the inner side of the upper end of the sleeve (2322) is in sliding pair structure with the outer side of the transmission shaft of the rotating driving device (231); the buffer spring (2323) is arranged in the sleeve (2322) and located between the transmission shaft of the rotating driving device (231) and the bolt head (2321); a strip-shaped through hole is arranged on the sleeve (2322) and used for limiting the movement of the sleeve (2322) relative to the transmission shaft.

3. The automated inspection apparatus suitable for use in a crankcase production line according to claim 2, characterized in that: An annular plate (2324) is arranged on the sleeve (2322); a contact switch (8) is arranged on the lifting frame (22).

4. The automated inspection apparatus suitable for use in a crankcase production line according to claim 3, characterized in that: A bearing (9) is arranged on the lifting frame (22) and in contact with the transmission shaft of the rotating driving device (231).

5. The automated inspection apparatus suitable for use in a crankcase production line according to any one of claims 1-4, characterized in that: The detection sensor (6) is an optical sensor.

6. The automated inspection apparatus suitable for use in a crankcase production line according to claim 5, characterized in that: A pressure sensor is arranged on the placing table (7).

7. The automated inspection apparatus suitable for use in a crankcase production line according to claim 6, characterized in that: The lifting driving device (21) is a lifting cylinder.

8. The automated inspection apparatus suitable for use in a crankcase production line according to claim 7, characterized in that: The rotating driving device (231) is a motor.

9. The automated inspection apparatus suitable for use in a crankcase production line according to claim 8, characterized in that: The rotating device (421) is a rotating cylinder.

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