CN214350764U - Automatic device of screwing up of engine cylinder body main bearing cap bolt - Google Patents
Automatic device of screwing up of engine cylinder body main bearing cap bolt Download PDFInfo
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- CN214350764U CN214350764U CN202120339349.3U CN202120339349U CN214350764U CN 214350764 U CN214350764 U CN 214350764U CN 202120339349 U CN202120339349 U CN 202120339349U CN 214350764 U CN214350764 U CN 214350764U
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- screwing
- main bearing
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Abstract
The utility model provides an automatic device of screwing up of engine cylinder body main bearing cap bolt installs on the rollgang of engine cylinder body, include: the control system is used for screwing up a screwing station of bolts of the main bearing cap, transferring a conveying rotary table of the engine cylinder body after screwing up is finished and repairing a repairing station for repairing unqualified bolts; the tightening station is connected with the conveying roller way and comprises a lifting roller way with the top surface flush with the conveying roller way and a tightening mechanism arranged above the lifting roller way; the lifting roller way, the screwing mechanism and the conveying rotary table are electrically connected with the control system and used for automatically screwing the main bearing cap bolt on the engine cylinder block conveyed in place and transferring the engine cylinder block which is not screwed up to a repair station through the conveying rotary table for repair. The utility model provides the qualification rate of quality is screwed up to the engine main bearing cap, has realized the full-automatic tightening of bolt, has reduced operating personnel's intensity of labour.
Description
Technical Field
The utility model relates to an engine assembling field especially relates to an automatic device of screwing up of engine cylinder body main bearing cap bolt.
Background
A main bearing cap bolt of an engine cylinder block is one of key fasteners of an engine, is an important factor for ensuring the reliability of the cylinder block, and the failure of the main bearing cap bolt directly influences the reliability of the whole engine.
The bolt screwing of the main bearing cap of the engine cylinder body in the prior art is mainly realized by manually screwing by using a screwing gun by an operator according to customized tool tools for different types of engines, and whether the screwing is qualified or not is mainly checked by using a hand-driven torque wrench by the operator. Therefore, the screwing state of the main bearing cap cannot be traced and inquired, the manual torque wrench has certain limitation in inspection, and great quality risk exists; fourteen main bearing bolts need to be screwed down for each engine, and the labor intensity of operators is high.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model aims to provide an automatic device of screwing up of engine cylinder body main bearing cap bolt has solved current engine main bearing cap bolt and has screwed up quality risk to and the data storage inquiry scheduling problem of defective work, has promoted the engine main bearing cap and has screwed up the quality qualification rate, realizes full-automatic screwing up, has reduced operating personnel's intensity of labour.
The utility model provides an automatic device of screwing up of engine cylinder body main bearing cap bolt installs on the rollgang of engine cylinder body, include: the control system is used for screwing up a screwing station of bolts of the main bearing cap, transferring a conveying rotary table of the engine cylinder body after screwing up is finished and repairing a repairing station for repairing unqualified bolts;
the tightening station is connected with the conveying roller way and comprises a lifting roller way with the top surface flush with the conveying roller way and a tightening mechanism arranged above the lifting roller way;
the lifting roller way, the screwing mechanism and the conveying rotary table are electrically connected with the control system and used for automatically screwing the main bearing cap bolt on the engine cylinder block conveyed in place and transferring the engine cylinder block which is not screwed up to a repair station through the conveying rotary table for repair.
Further, a photoelectric sensor used for sensing that the engine cylinder block reaches the screwing station is arranged on the lifting roller way, and the photoelectric sensor is electrically connected with the control system.
Furthermore, a two-dimensional code serial number is engraved on the engine cylinder body, two-dimensional code scanning cameras for identifying the engine cylinder bodies one by one are mounted on the side portion of the lifting roller way, and the two-dimensional code scanning cameras are electrically connected with the control system.
Furthermore, the lower part of the lifting roller way is connected with an air cylinder capable of controlling the lifting roller way to lift, and an air cylinder magnetic switch used for detecting the lifting roller way to lift in place, and the air cylinder magnetic switch is electrically connected with the control system.
Further, a cylinder body positioning hole is formed in the engine cylinder body, and an equipment positioning pin is arranged on the lifting roller way.
Further, the tightening mechanism comprises a lifting platform and a tightening gun connected to the lifting platform, and the tightening gun is connected with a tightening gun controller and used for controlling tightening torque and angle of bolts of a main bearing cap of the engine cylinder body.
Further, the tightening gun comprises a tightening gun sleeve arranged at the bottom end of the tightening gun, and the tightening gun controller controls tightening torque and angle of a main bearing cap bolt of the engine cylinder body through the tightening gun sleeve.
Further, still include the industrial computer, control system with the industrial computer electricity is connected.
The utility model discloses a screw up the station, carry the revolving stage and reprocess the mutual cooperation of station, realized the automatic screwing up of engine cylinder body main bearing cap bolt to can transport the unqualified product of screwing up to reprocess the station through carrying the revolving stage, reduced the error rate and the intensity of labour of artifical judgement;
through the lifting roller way and the tightening mechanism arranged above the lifting roller way, when the engine cylinder block reaches a tightening station, the lifting roller way and the tightening mechanism can sequentially fall down, and the main bearing cap bolt is automatically tightened through the tightening mechanism, so that the assembly efficiency is effectively improved;
through the control system which is electrically connected with the lifting roller way, the tightening mechanism and the conveying rotary table, the quality state of the tightened bolt can be detected in real time, and the quality qualification rate of the assembly of the engine cylinder body is effectively improved.
Drawings
The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a schematic structural view of an automatic bolt tightening device for a main bearing cap of an engine cylinder of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic side view of the structure of FIG. 1 at a conveying direction angle;
FIG. 4 is a schematic side view of the rework station of FIG. 1;
fig. 5 is the control flow chart of the automatic screwing device for the bolt of the main bearing cap of the engine cylinder body.
In the drawings, like parts are designated with like reference numerals, and the drawings are not to scale.
Detailed Description
For the purpose of clearly explaining the contents of the present invention, the present invention will be described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-4, the utility model provides an automatic device of screwing up of engine cylinder body main bearing cap bolt installs on the rollgang of engine cylinder body, include: the control system is used for screwing a screwing station of the main bearing cap bolt 2, a conveying rotary table 11 of the engine cylinder body after the screwing is finished and a repairing station 13 for repairing unqualified bolt screwing;
the tightening station is connected with the conveying roller way 1 and comprises a lifting roller way 5 with the top surface flush with the conveying roller way 1 and a tightening mechanism arranged above the lifting roller way 5;
the lifting roller way 5, the screwing mechanism and the conveying rotary table 11 are electrically connected with a control system and used for automatically screwing the main bearing cap bolt 2 on the engine cylinder block conveyed in place and transferring the engine cylinder block which is not screwed up to the repair station 13 through the conveying rotary table 11 for repair.
The utility model provides an automatic device of screwing up of engine cylinder body main bearing cap bolt, carry the engine cylinder body when rollgang 1 and screw up the station after, 5 whereabouts messenger engine cylinder bodies of control system control lift roll table are fixed and are fixed a position the height of screwing up, then fasten main bearing cap bolt 2 through screwing up mechanism whereabouts, screw up the moment of screwing up and the angle of accomplishing the back to every bolt and judge, carry the roll table on the low reaches station 14 with the engine cylinder body after screwing up qualified, shift to repairing station 13 through carrying revolving stage 11 to screwing up unqualified engine cylinder body, the manual work is reprocessed screwing up unqualified bolt, reprocess the back and carry again to low reaches station 14 and process. On the one hand, the automatic screwing of the main bearing cap bolt is realized, on the other hand, the error rate caused by artificial judgment is avoided, the assembly quality of the engine cylinder body is improved, the screwing qualification rate of the main bearing cap bolt of the existing engine cylinder body is greatly improved, and the production efficiency and the production beat are improved.
In one embodiment, a photoelectric sensor 4 for sensing the arrival of the engine cylinder block at the screwing station is arranged on the lifting roller way 5, and the photoelectric sensor 4 is electrically connected with the control system. The engine cylinder block conveyed from the conveying roller way 1 can be automatically sensed through the photoelectric sensor 4, and the control system is enabled to automatically screw the main bearing cap bolt 2.
The engine cylinder body is imprinted with a two-dimensional code serial number, the side part of the lifting roller way 5 is provided with two-dimensional code scanning cameras 10 for identifying the engine cylinder bodies one by one, and the two-dimensional code scanning cameras 10 are electrically connected with a control system. Through the identification of the two-dimensional code serial number on the engine cylinder body by the two-dimensional code scanning camera 10, the screwing result of each engine cylinder body can be traced, and the assembly quality of the engine cylinder body is reliably ensured.
The lower part of the lifting roller way 5 is connected with an air cylinder 6 capable of controlling the lifting roller way to lift and an air cylinder magnetic switch (not shown in the figure) for detecting the lifting roller way 5 to lift in place, and the air cylinder magnetic switch is electrically connected with a control system. The lifting roller way 5 can be lifted on the screwing station by bearing the engine cylinder body through the air cylinder 6, the air cylinder magnetic switch can ensure that the lifting roller way 5 accurately reaches the falling height before screwing and the conveying height which is parallel to the conveying roller way 1 after screwing, the precision of the assembly process is greatly improved, and the normal operation of the screwing process is ensured. In order to further improve the positioning accuracy of the engine cylinder block, the lifting roller way 5 is provided with an equipment positioning pin which can be accurately butted with a cylinder block positioning hole in the engine cylinder block, so that the fastening requirement on the main bearing cap bolt 2 of the engine cylinder block is met.
In a further embodiment, the tightening mechanism comprises a lifting platform 7 and tightening guns 3 connected to the lifting platform 7, the tightening guns 3 comprise a plurality of one-to-one corresponding to the main bearing cap bolts 2, each tightening gun 3 is connected with a tightening gun controller, the tightening guns 3 comprise tightening gun sleeves 8 arranged at the bottom ends thereof, and the tightening gun controllers control tightening torque and angle of the tightening guns 3 acting on the main bearing cap bolts 2 of the engine block when tightening through the tightening gun sleeves 8.
When the engine cylinder body falls in place on the lifting roller way 5, the lifting platform 7 drives the tightening gun 3 to fall down, the tightening gun controller firstly controls the tightening gun 3 to rotate to perform bolt cap recognizing action, and when the tightening gun controller detects that all sleeves 8 of the tightening gun 3 enter the nuts through the torque and the angle, the tightening gun controller starts to execute a bolt tightening program and tightens all main bearing cap bolts 2 through the tightening gun sleeves 8.
The automatic screwing device for the main bearing cap bolt of the engine cylinder body in the embodiment further comprises an industrial personal computer 12, the control system is specifically a PLC, the industrial personal computer 12 is electrically connected with the PLC, OPC software and screwing software are arranged inside the industrial personal computer 12, the industrial personal computer 12 is in network communication with the PLC through the OPC software to obtain the cylinder body serial number, screwing data of the bolt are recorded through the screwing software, bolt screwing process data of each workpiece are stored in a database, and information such as moment, angle, curve, cylinder body serial number, processing date and the like can be obtained, and quality tracing of the engine cylinder body main bearing cap bolt screwing process data can be achieved.
With reference to fig. 5, the following description will be provided to the specific control flow of the automatic bolt tightening device for the main bearing cap of the engine cylinder of the present invention.
After the engine cylinder block is conveyed to a screwing station of the main bearing cap bolt 2 through the conveying roller way 1, the photoelectric sensor 4 detects that the engine cylinder block is in place, the two-dimensional code scanning camera 10 reads a two-dimensional code serial number engraved on the engine cylinder block and transmits the two-dimensional code serial number to the PLC through the Ethernet, and the PLC transmits the engine cylinder block serial number to the industrial personal computer 12.
After the two-dimensional code sequence number is read, the air cylinder 6 drives the lifting roller way 5 to fall down to enable a cylinder body positioning hole to fall into an equipment positioning pin, the air cylinder magnetic switch detects that the lifting roller way 5 falls in place, a signal is sent to the PLC, the PLC controls the servo motor to act, the servo motor controls the lifting platform 7 to drive the tightening gun 3 to simultaneously descend, the PLC sends a descending in-place signal to the tightening gun controller through industrial Ethernet communication after the lifting platform 7 descends in place, the tightening gun controller controls the tightening gun 3 to rotate to conduct bolt cap recognizing action, when the tightening gun controller detects that the tightening gun sleeve 8 completely enters a nut through torque and angle, the tightening gun controller starts to execute a bolt tightening program, all bolts reach the set tightening torque and angle and complete the tightening, the tightening gun controller sends a signal to the PLC, the servo motor controls the lifting platform 7 to ascend in place, the air cylinder 6 drives the lifting roller way 5 to ascend, the cylinder magnetic switch detects that the lifting roller way 5 is lifted in place.
The equipment analyzes whether the bolt is screwed up in real time according to the tightening torque and angle of each bolt and the tightening curve, if the bolt is screwed up in a qualified way, the roller conveyor motor 9 controls the roller conveyor 1 to operate to automatically convey the engine cylinder block to the downstream station 14 for processing; if the bolts are not screwed up well, the cylinder body is conveyed to a repair station 13 through a conveying rotary table 11, the bolts which are not screwed up well are repaired manually, and the repaired bolts enter a downstream station 14 for processing.
The PLC records the serial number of each engine cylinder by scanning the two-dimensional code of the serial number of the engine cylinder, communicates with OPC software of the industrial personal computer 12 through Ethernet, transmits the serial number of the engine cylinder to the OPC software and stores the serial number of the engine cylinder in a database of the industrial personal computer 12; meanwhile, the tightening gun controller stores the recorded tightening data into a database of the industrial personal computer 12 through tightening software installed on the industrial personal computer 12. The method realizes the tracing of the bolt tightening result of each main bearing cap of each engine cylinder block, and has a guiding function on the quality and the repair of the engine.
The utility model discloses it is qualified by the manual judgement bolt tightening after screwing up to current engine main bearing cap, the problem that has certain error rate has introduced automatic screwing up and real-time supervision technique, to the unqualified problem of engine main bearing cap bolt tightening simultaneously, has provided an adopt the device of monitoring software real-time detection bolt tightening state, the quality status after the real-time detection bolt tightening, whether appear screwing up the quality problems through the inside program of screwing up the rifle controller and the control judgement of screwing up the curve.
The method comprises the following steps that an engine cylinder body is automatically conveyed to a screwing station of a main bearing cap bolt 2 through a conveying roller way 1, after the engine cylinder body is detected by a photoelectric sensor 4, a lifting roller way 5 is controlled to fall through a PLC program to achieve positioning of an engine cylinder body workpiece, a servo motor drives a lifting platform 7 to drive a screwing gun 3 to descend simultaneously, the PLC communicates with a screwing gun controller, the screwing gun controller selects a corresponding screwing program to screw the bolt, after the screwing is completed, data of each bolt screwing process of the main bearing cap of the engine cylinder body and results of judging whether the bolt screwing is qualified are transmitted to an industrial personal computer 12, and if the bolt screwing is unqualified, the workpiece is automatically transmitted to a repair station 13 through a roller way on a conveying rotary table 11 to wait for manual judgment and repair; if the bolts are screwed up to be qualified, the workpieces are automatically conveyed to a roller way on the downstream station 14, and the next procedure is continued for normal processing.
The method has the advantages that through automatic screwing of the bolts of the main bearing cap of the engine and real-time detection of the screwing states of the bolts, manual bolt screwing and quality identification in the traditional sense are replaced, the error rate and labor intensity of manual judgment are reduced, meanwhile, the screwing process of the bolts of the main bearing cap is monitored in real time through screwing software, data of the screwing process are stored on an industrial personal computer, and later-stage quality data can be analyzed and traced; the automatic bolt tightening mode reduces the labor intensity of operators, reduces the quality error risk and improves the production line beat.
Finally, it is to be understood that the above embodiments are merely exemplary embodiments that have been employed to illustrate the principles of the present invention, and that the present invention is not limited thereto. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications are to be considered as the protection scope of the invention.
Claims (8)
1. The utility model provides an automatic device of screwing up of engine cylinder body main bearing cap bolt installs on the rollgang of engine cylinder body which characterized in that includes: the control system is used for screwing up a screwing station of bolts of the main bearing cap, transferring a conveying rotary table of the engine cylinder body after screwing up is finished and repairing a repairing station for repairing unqualified bolts;
the tightening station is connected with the conveying roller way and comprises a lifting roller way with the top surface flush with the conveying roller way and a tightening mechanism arranged above the lifting roller way;
the lifting roller way, the screwing mechanism and the conveying rotary table are electrically connected with the control system and used for automatically screwing the main bearing cap bolt on the engine cylinder block conveyed in place and transferring the engine cylinder block which is not screwed up to a repair station through the conveying rotary table for repair.
2. The automatic tightening device for the bolt of the main bearing cap of the engine cylinder block as claimed in claim 1, wherein a photoelectric sensor for sensing the arrival of the engine cylinder block at the tightening station is arranged on the lifting roller way, and the photoelectric sensor is electrically connected with the control system.
3. The automatic tightening device for the bolts of the main bearing cap of the engine cylinder block as claimed in claim 1, wherein the engine cylinder block is imprinted with a two-dimensional code serial number, and a two-dimensional code scanning camera for identifying the engine cylinder block one by one is mounted on the side of the lifting roller bed and electrically connected with the control system.
4. The automatic bolt tightening device for the main bearing cap of the engine cylinder body as claimed in claim 1, wherein a cylinder capable of controlling the lifting of the lifting roller way and a cylinder magnetic switch for detecting the lifting of the lifting roller way in place are connected to the lower part of the lifting roller way, and the cylinder magnetic switch is electrically connected with the control system.
5. The automatic tightening device for the bolt of the main bearing cap of the engine cylinder block as claimed in claim 4, wherein the engine cylinder block is provided with a cylinder block positioning hole, and the lifting roller way is provided with an equipment positioning pin.
6. The automatic tightening device of engine block main bearing cap bolts according to claim 1, wherein the tightening mechanism comprises a lifting table and a tightening gun connected to the lifting table, the tightening gun having a tightening gun controller connected thereto for controlling tightening torque and angle of the engine block main bearing cap bolts.
7. The automatic engine block main bearing cap bolt tightening device of claim 6, wherein the tightening gun includes a tightening gun sleeve disposed at a bottom end thereof, and the tightening gun controller controls a tightening torque and angle of the engine block main bearing cap bolt through the tightening gun sleeve.
8. The automatic engine block main bearing cap bolt tightening device according to any one of claims 1-7, further comprising an industrial personal computer, wherein the control system is electrically connected with the industrial personal computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339349.3U CN214350764U (en) | 2021-02-04 | 2021-02-04 | Automatic device of screwing up of engine cylinder body main bearing cap bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339349.3U CN214350764U (en) | 2021-02-04 | 2021-02-04 | Automatic device of screwing up of engine cylinder body main bearing cap bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214350764U true CN214350764U (en) | 2021-10-08 |
Family
ID=77964199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120339349.3U Active CN214350764U (en) | 2021-02-04 | 2021-02-04 | Automatic device of screwing up of engine cylinder body main bearing cap bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214350764U (en) |
-
2021
- 2021-02-04 CN CN202120339349.3U patent/CN214350764U/en active Active
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