CN115302240B - Online ring joint full-automatic assembly equipment for timing chain of automobile engine - Google Patents
Online ring joint full-automatic assembly equipment for timing chain of automobile engine Download PDFInfo
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- CN115302240B CN115302240B CN202210760790.8A CN202210760790A CN115302240B CN 115302240 B CN115302240 B CN 115302240B CN 202210760790 A CN202210760790 A CN 202210760790A CN 115302240 B CN115302240 B CN 115302240B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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Abstract
The invention relates to the technical field of timing chain assembly, in particular to an on-line loop connection full-automatic assembly device for an automobile engine timing chain, which comprises a machine body, wherein a chain conveying unit, a chain loop connection unit, a chain testing unit and a program control unit are arranged on the machine body; the timing chain is put into the full-automatic assembly equipment in a flat state through the chain loop connection unit, the timing chain is cut off, the timing chain is cut into the required length and then enters the chain loop connection unit, the chain loop connection unit encircles the section of the timing chain in a cut-off manner, and the two ends of the section of the timing chain are connected in a shaft pin and chain piece supplementing manner, so that the automatic loop connection operation of the section of the timing chain is realized, the full-automatic loop connection of the strip-shaped timing chain can be realized, the staff cost is greatly reduced, and the production efficiency of the timing chain is improved.
Description
Technical Field
The invention relates to the technical field of timing chain assembly, in particular to on-line loop connection full-automatic assembly equipment for an automobile engine timing chain.
Background
The main function of the engine timing chain is to drive a valve mechanism of the engine, so that an engine inlet valve and an engine exhaust valve are opened or closed at proper time, and the engine cylinder can be guaranteed to be capable of sucking and exhausting normally; because the engine timing chain has the remarkable advantages of compact structure, high transmission power, high reliability and wear resistance, various design types, no maintenance for life and the like, the engine timing chain overcomes certain congenital defects in gear transmission and belt transmission performance, adds new use value for automobile end users, and increasingly shows wide market application prospect.
At present, when assembling the automobile engine timing chain with the structure shown in fig. 8, the automobile engine timing chain is characterized in that the shaft pins are matched with the structures of the outer chain plates and the inner chain plates, specifically, two outer chain plates and six inner chain plates are arranged on each shaft pin, one shaft pin is connected with the two outer chain plates and the two middle inner chain plates, and the other inner chain plates are connected with the next shaft pin.
However, the existing full-automatic assembly equipment for the timing chain of the automobile engine only stays in full-automatic assembly of the shaft pin and the chain plate, but cannot realize the annular assembly of the timing chain, and for the annular assembly of the chain, semi-automatic annular operation is needed to be carried out by combining a riveting machine with a positioning jig, so that staff cost is brought, the length of the chain needs to be calculated in the annular process, the annular efficiency is low, the annular cost is high, and therefore, the full-automatic annular equipment is needed to be designed aiming at the annular process of the timing chain.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.
The utility model provides an on-line loop of automobile engine timing chain connects full-automatic equipment, includes the organism, is provided with chain conveying unit, chain loop and connects unit and program control unit on the organism, wherein:
the chain conveying unit comprises a chain guide conveying channel for limiting the timing chain to be in a flat state, a first chain power mechanism for driving the timing chain to move along the chain guide conveying channel, a shaft pin punching mechanism for punching a shaft pin on the timing chain from the chain guide conveying channel, and a chain piece pushing mechanism for pushing a chain piece separated after punching the shaft pin out of the chain guide conveying channel;
the chain loop connection unit comprises a chain loop mechanism and a chain connecting mechanism, wherein the chain loop mechanism comprises a chain loop track, a second chain power mechanism and a third chain power mechanism, the chain loop track is provided with a feeding end which is in butt joint with the chain guide conveying channel, and the chain loop track is also provided with a discharging end which is correspondingly arranged between the second chain power mechanism and the third chain power mechanism; the chain connecting mechanism comprises a chain plate conveying mechanism, a shaft pin conveying mechanism and a riveting mechanism, wherein the chain plate conveying mechanism supplements the chain plates between two ends of the timing chain after the timing chain is looped in a chain loop track, the chain plates are conveyed into the shaft pin through the shaft pin conveying mechanism, and finally the shaft pin is riveted through the riveting mechanism;
the program control unit is preset with chain length data, and controls the first chain power mechanism to drive the timing chain to enter the length of the chain loop unit according to the chain length data.
Preferably, after the timing chain enters the chain encircling track along the feeding end of the chain encircling track by the driving of the first chain power mechanism, the timing chain is continuously driven to be transferred to the third chain power mechanism along the chain encircling track by the second chain power mechanism, and after the third chain power mechanism is abutted to the timing chain, when the third chain power mechanism does not work, the second chain power mechanism drives the timing chain to be extruded along the discharging end, and when the third chain power mechanism works, the third chain power mechanism drives the timing chain to be continuously transferred to the butt joint of the two ends of the timing chain along the chain encircling track.
Preferably, the chain guiding conveying channel comprises a sliding channel and two limiting strips positioned at two sides of the sliding channel, the timing chain slides on the sliding channel, and the timing chain is limited by the two limiting strips.
Preferably, the chain guide conveying way is provided with a front section and a rear section, the shaft pin punching mechanism and the chain piece pushing mechanism are both arranged at the rear section of the chain guide conveying way, the front section of the machine body, which is positioned in the chain guide conveying way, is also provided with a chain defect detection mechanism, the chain defect detection mechanism comprises a chain piece missing part induction module corresponding to the number of the chain pieces on each section of timing chain, a plurality of through holes are formed in the limiting strip according to the heights of different chain pieces on each section of timing chain, and the chain piece missing part induction modules respectively sense whether the chain pieces on each section of timing chain are missing parts or not through the corresponding through holes.
Preferably, a framed chain transition platform is further installed between the front chain guide conveying channel and the rear chain guide conveying channel, and three first chain power mechanisms are arranged, wherein two first chain power mechanisms are respectively located at the front position and the rear position of the framed chain transition platform, and the other first chain power mechanism is located behind the chain sheet pushing mechanism.
Preferably, the first chain power mechanism, the second chain power mechanism and the third chain power mechanism all comprise a driving motor fixedly matched with the machine body, a conveying chain wheel connected to the power end of the driving motor, a photoelectric sensor fixedly matched with the driving motor and counting teeth connected to the power end of the driving motor and corresponding to the photoelectric sensor.
Preferably, the shaft pin punching and discharging mechanism comprises a supporting frame arranged on the machine body, a punching mechanism arranged on the supporting frame and a lower pressing block connected to the movable end of the punching mechanism, wherein a punching column matched with the shaft pin is arranged at the lower end of the lower pressing block, a material outlet structure is arranged at the position, corresponding to the shaft pin punching and discharging mechanism, on the chain guide conveying channel, and when the shaft pin punching and discharging mechanism works, the punching mechanism drives the punching column to punch the shaft pin on the chain in alignment, so that the shaft pin is punched and discharged from the material outlet structure to the chain guide conveying channel.
Preferably, the chain sheet pushing mechanism comprises a pushing cylinder arranged at the side of the chain guide conveying channel and a pushing plate connected to the power end of the pushing cylinder, and the pushing plate corresponds to the material removing opening structure.
Preferably, the machine body is further provided with a chain testing unit, the chain testing unit comprises a tension testing mechanism arranged on the machine body and a chain pushing mechanism used for conveying the looped timing chain from the chain encircling track to the tension testing mechanism, the program control unit is provided with tension peak value data in advance, and the program control unit controls the tension testing mechanism to carry out tension testing on the timing chain according to the tension peak value data.
Preferably, the tension testing mechanism comprises a chain bearing bracket, a fixed sprocket positioned on the chain bearing bracket, a hydraulic rod testing mechanism arranged on the chain bearing bracket, a linear sliding table arranged on the chain bearing bracket and connected with a testing end of the hydraulic rod testing mechanism in a power mode, and a movable sprocket arranged on the linear sliding table and capable of moving relative to the fixed sprocket on the chain bearing bracket.
Compared with the prior art, the invention has the beneficial effects that:
the automatic loop connection operation of the timing chain is realized by connecting the two ends of the section of the timing chain in a way of supplementing a shaft pin and a chain piece, after loop connection is completed, the timing chain is sent into the chain test unit, tension force is applied to the inner side of the looped timing chain, the looped timing chain is straightened, tension force test is performed on the timing chain through preset tension force, if the timing chain is straightened and is not broken, the timing chain is judged, through the design, the full-automatic loop connection of the strip-shaped timing chain can be realized, and the loop connection length of the timing chain can be set according to a program, thereby achieving full-automatic, online and arbitrary-size timing chain loop connection operation and tension force detection operation after loop connection, greatly reducing the cost and improving the production efficiency of the timing chain.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the present invention with portions of the chain test unit removed;
FIG. 3 is a schematic view of the chain guide conveyor of the present invention in combination with a first chain power mechanism, a pin punch-out mechanism and a chain sheet pushing mechanism, respectively;
FIG. 4 is a schematic diagram of the chain encircling mechanism, chain plate conveying mechanism, pin conveying mechanism and riveting mechanism of the present invention in a disassembled configuration;
FIG. 5 is a schematic view of the chain encircling mechanism of the present invention;
FIG. 6 is a schematic diagram of a chain test unit according to the present invention;
FIG. 7 is a schematic diagram showing the cooperation of the chain guide conveyor of the present invention with a chain defect detection mechanism and a framed chain transition platform, respectively;
fig. 8 is a schematic structural view of an engine timing chain for an automobile according to the present invention.
Reference numerals and names in the drawings are as follows:
the chain testing device comprises a machine body 10, a chain conveying unit 20, a chain loop connection unit 30, a chain testing unit 40, a chain defect detecting mechanism 50, a chain guiding conveying channel 21, a first chain power mechanism 22, a shaft pin punching mechanism 23, a chain piece pushing mechanism 24, a chain encircling mechanism 31, a chain connecting mechanism 32, a chain piece missing part sensing module 51, a framed chain transition platform 52, a sliding channel 211, a limiting bar 212, a material taking-off opening structure 213, a driving motor 221, a conveying chain wheel 222, a photoelectric sensor 223, a counting tooth 224, a supporting frame 231, a punching mechanism 232, a pressing block 233, a punching column 234, a material pushing cylinder 241, a material pushing plate 242, a chain encircling rail 311, a second chain power mechanism 312, a third chain power mechanism 313, a feeding end 314, a discharging end 315, a chain plate conveying mechanism 321, a shaft pin conveying mechanism 322, a riveting mechanism 323, a tension testing mechanism 41, a chain pushing mechanism 42, a chain bearing bracket 411, a fixed chain wheel 412, a hydraulic rod testing mechanism 413, a straight line 414 and a movable chain wheel 415.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, in an embodiment of the present invention, an on-line full-automatic assembly device for a timing chain of an automobile engine includes a machine body 10, a chain conveying unit 20, a chain looping unit 30, a chain testing unit 40 and a program control unit are disposed on the machine body 10, the chain conveying unit 20 is configured to receive a timing chain which is not looped, the timing chain enters the full-automatic assembly device for looping in a flat state through the chain looping unit 30, and cuts the timing chain, so that the timing chain enters the chain looping unit 30 after being cut into a required length, the chain looping unit 30 loops the length with the cut timing chain, and connects two ends of the length of the timing chain in a manner of supplementing a shaft pin and a chain piece, so as to implement an automatic looping operation for the length of the timing chain, after looping is completed, the timing chain is sent to the chain testing unit 40, the looped timing chain is straightened by applying a tension to an inner side of the looped timing chain, and a tension test is performed through a preset tension for the timing chain, if the timing chain is not pulled off after being straightened, the timing chain is determined to reach the standard, and the preset length can be controlled by the following steps, wherein the program is implemented by combining the following control structures:
the chain conveying unit 20 comprises a chain guide conveying channel 21 for limiting the timing chain to be in a flat state, a first chain power mechanism 22 for driving the timing chain to move along the chain guide conveying channel 21, a shaft pin punching and disengaging mechanism 23 for punching and disengaging a shaft pin on the timing chain from the chain guide conveying channel 21, and a chain sheet pushing mechanism 24 for pushing out a chain sheet separated after punching and disengaging the shaft pin from the chain guide conveying channel 21;
the chain guide conveying way 21 is used for limiting a timing chain, one end of the chain guide conveying way 21 can extend out of the machine body 10 to facilitate the entry of the timing chain, the chain guide conveying way 21 can comprise a sliding way 211 and two limiting strips 212 positioned at two sides of the sliding way 211, the sliding way 211 plays a role in supporting the timing chain, the limiting strips 212 are used for limiting the timing chain to slide on the sliding way 211, if the timing chain needs to be turned, the sliding way 211 and the limiting strips 212 are bent according to the turning degree, the bending of the timing chain adopts a structure with arc bending, and the timing chain can be bent, so that the design of the chain guide conveying way 21 can guide the horizontally-arranged timing chain to enter the annular full-automatic assembly equipment, and the guiding direction can be changed; the chain guiding conveying channel 21 is combined with the first chain power mechanism 22 to play a role in guiding the timing chain, and the first chain power mechanism 22 for driving the timing chain is driven by a chain wheel according to the operation of the timing chain, so that the first chain power mechanism 22 for driving the timing chain comprises a driving motor 221 fixedly matched with the machine body 10, a conveying chain wheel 222 connected to the power end of the driving motor 221, a photoelectric sensor 223 fixedly matched with the driving motor 221 and counting teeth 224 connected to the power end of the driving motor 221 and corresponding to the photoelectric sensor 223, wherein the conveying chain wheel 222 is meshed with the timing chain, and according to the structural design of the chain guiding conveying channel 21, the conveying chain wheel 222 and the timing chain are meshed in a manner that a window into which teeth of the conveying chain wheel 222 extend is formed in a limiting strip 212, so that the conveying chain wheel 222 can be meshed with the timing chain through the window; the conveying chain wheel 222 is driven to rotate by the driving motor 221, on the basis, in order to realize the monitoring of the length of the timing chain and the cutting of the corresponding length of the timing chain, the photoelectric sensor 223 is adopted to realize the cooperation of the counting teeth 224, the technical teeth and the conveying chain wheel 222 synchronously run, the number of the chain links of the timing chain driven by the conveying chain wheel 222 can be calculated through the photoelectric sensor, and the number of the timing chain can be calculated, so that the length of the timing chain is calculated;
the shaft pin punching and removing mechanism 23 comprises a supporting frame 231, a punching mechanism 232 arranged on the supporting frame 231 and a lower pressing block 233 connected to the movable end of the punching mechanism 232, wherein a punching column 234 matched with a shaft pin is arranged at the lower end of the lower pressing block 233, the lower pressing block is arranged on the machine body 10 and positioned above the chain guide conveying channel 21, a material outlet structure 213 is arranged on the position, corresponding to the shaft pin punching and removing mechanism 23, on the chain guide conveying channel 21, when the shaft pin punching and removing mechanism 23 works, the punching column 234 is driven by the punching mechanism 232 to punch the shaft pin on a timing chain, so that the shaft pin is punched and removed, and then the chain guide conveying channel 21 is sent out from the material outlet structure 213;
the chain sheet pushing mechanism 24 is provided with a pushing cylinder 241 at the side of the chain guiding conveying channel 21, a pushing plate 242 is mounted at the movable end of the pushing cylinder 241, the pushing plate 242 is consistent with the height of the chain plate to be pushed out, when the chain sheet pushing mechanism 24 works, the pushing cylinder 241 drives the pushing plate 242 to enter from the material outlet structure 213 to push the chain plate to be sent out to the other side of the material outlet structure 213, the pushing action of the chain plate is realized, and after the shaft pin and the chain plate are pushed out, in order to prevent accumulation, the shaft pin and the chain plate can be stored by arranging a material receiving groove at the position of the material outlet structure 213.
The chain loop connection unit 30 comprises a chain loop mechanism 31 and a chain connecting mechanism 32, wherein the chain loop mechanism 31 comprises a chain loop track 311, a second chain power mechanism 312 and a third chain power mechanism 313, the second chain power mechanism 312 and the third chain power mechanism 313 are consistent with the structural design of the first chain power mechanism 22, the chain loop track 311 is provided with a feeding end 314 which is abutted to the chain guide conveying channel 21, the chain loop track 311 is also provided with a discharging end 315 which is correspondingly arranged between the second chain power mechanism 312 and the third chain power mechanism 313, the timing chain is driven by the first chain power mechanism 22 to enter the chain loop track 311 along the feeding end 314 of the chain loop track 311, the timing chain is continuously driven by the second chain power mechanism 312 to be transferred to the third chain power mechanism 313 along the chain loop track 311, the third chain power mechanism 313 is abutted to the timing chain, when the third chain power mechanism 313 does not work, the second chain power mechanism 312 drives the timing chain to be extruded along the discharging end 315, and when the third chain power mechanism 313 works, the third chain power mechanism 313 drives the timing chain to continuously transfer to the two ends of the abutted timing chain along the loop track 311; because the lengths of the timing chains are different, the second chain power mechanism 312 and the third chain power mechanism 313 are matched with the chain encircling rail 311, the timing chains are combined with the guiding function of the chain encircling rail 311 through the driving function of the second chain power mechanism 312, so that the timing chains have a certain guiding traction function, the timing chains can be pulled to be connected to the third chain power mechanism 313 in an opposite mode, after the third chain power mechanism 313 receives the timing chains, if the lengths of the timing chains exceed the lengths of the chain encircling rail 311, the third chain power mechanism 313 drives the timing chains to cause collision with parts which do not enter the chain encircling rail 311, and therefore, by adopting a mode of stopping the operation of the third chain power mechanism 313, the end parts of the timing chains are stopped from moving by the restriction of the third chain power mechanism 313 and the chain encircling rail 311, at the moment, the second chain power mechanism 312 continues to work, and the excessive parts of the timing chains are extruded from the discharging end, so that the annular connection applicable to the timing chains with different lengths can be transferred to the third chain power mechanism 313, and elastic or controllable stop blocks can be arranged at the discharging end of the chain encircling rail 311, and the stop blocks are flush with the inner wall of the chain encircling rail 311; calculation of the timing chain length by the chain loop unit 30 is also realized by the cooperation of the photoelectric sensor 223 and the counting teeth 224;
the chain connecting mechanism 32 comprises a chain plate conveying mechanism 321, a shaft pin conveying mechanism 322 and a riveting mechanism 323, after the timing chain is looped around the track 311, the chain plate is supplemented by the chain plate conveying mechanism 321 between the two ends of the timing chain, the shaft pin is conveyed by the shaft pin conveying mechanism 322, the shaft pin is finally riveted by the riveting mechanism 323, and the chain plate conveying mechanism 321, the shaft pin conveying mechanism 322 and the riveting mechanism 323 are all mechanisms for assembling the timing chain by adopting the prior art, such as a shaft pin feeding mechanism, a chain plate feeding mechanism and a riveting mechanism which are described in an authorized bulletin No. CN214080161U, so that excessive description is not needed; the chain test unit 40 comprises a tension test mechanism 41 installed on the machine body 10 and a chain pushing mechanism 42 for conveying the looped timing chain from the chain encircling rail 311 to the tension test mechanism 41, wherein the tension test mechanism 41 comprises a chain bearing bracket 411, a fixed chain wheel 412 positioned on the chain bearing bracket 411, a hydraulic rod test mechanism 413 installed on the chain bearing bracket 411, a linear sliding table 414 installed on the chain bearing bracket 411 and connected with the test end of the hydraulic rod test mechanism 413 in a power mode, and a movable chain wheel 415 installed on the linear sliding table 414 and capable of moving relative to the fixed chain wheel 412 on the chain bearing bracket 411;
the program control unit is preset with chain length data and tension peak value data, and controls the first chain power mechanism 22 to drive the timing chain to enter the length of the chain loop unit 30 according to the chain length data, and controls the tension testing mechanism 41 to carry out tension test on the timing chain according to the tension peak value data.
Referring to fig. 1, 2 and 7, in order to enable the timing chain to completely enter the full-automatic assembly equipment for loop connection, and reduce the rejection rate after the chain loop connection, the chain guide conveying path 21 has a front section and a rear section, the pin punching mechanism 23 and the chain piece pushing mechanism 24 are both disposed at the rear section of the chain guide conveying path 21, the front section of the machine body 10 located in the chain guide conveying path 21 is further provided with a chain defect detection mechanism 50, the chain defect detection mechanism 50 includes a chain piece missing sensing module 51 corresponding to the number of chain pieces on each section of timing chain, a plurality of through holes are disposed on the limiting strip 212 according to the heights of different chain pieces on each section of timing chain, and the plurality of chain piece missing sensing modules 51 respectively sense whether the chain pieces on each section of timing chain are missing through the corresponding through holes; because each time the timing chain is cut off and the loop connection operation needs to be stopped, in order to improve the detection efficiency before the timing chain is fed, a framed chain transition platform 52 is further arranged between the front chain guide conveying channel 21 and the rear chain guide conveying channel 21, and three first chain power mechanisms 22 are arranged, wherein two first chain power mechanisms 22 are respectively positioned at the front position and the rear position of the framed chain transition platform 52, the other first chain power mechanism 22 is positioned behind the chain sheet pushing mechanism 24, the timing chain enters the framed chain transition platform 52 after passing through the chain defect detection mechanism 50, a certain buffer effect is achieved, and the work of the chain defect detection mechanism 50 and other mechanisms is not interfered with each other, so that the working efficiency of timing can be improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (9)
1. The utility model provides an on-line loop of automobile engine timing chain connects full-automatic equipment, includes the organism, its characterized in that is provided with chain conveying unit, chain loop and connects unit and program control unit on the organism, wherein:
the chain conveying unit comprises a chain guide conveying channel for limiting the timing chain to be in a flat state, a first chain power mechanism for driving the timing chain to move along the chain guide conveying channel, a shaft pin punching mechanism for punching a shaft pin on the timing chain from the chain guide conveying channel, and a chain piece pushing mechanism for pushing a chain piece separated after punching the shaft pin out of the chain guide conveying channel;
the chain loop connection unit comprises a chain loop mechanism and a chain connecting mechanism, wherein the chain loop mechanism comprises a chain loop track, a second chain power mechanism and a third chain power mechanism, the chain loop track is provided with a feeding end which is in butt joint with the chain guide conveying channel, and the chain loop track is also provided with a discharging end which is correspondingly arranged between the second chain power mechanism and the third chain power mechanism; the chain connecting mechanism comprises a chain plate conveying mechanism, a shaft pin conveying mechanism and a riveting mechanism, wherein the chain plate conveying mechanism supplements the chain plates between two ends of the timing chain after the timing chain is looped in a chain loop track, the chain plates are conveyed into the shaft pin through the shaft pin conveying mechanism, and finally the shaft pin is riveted through the riveting mechanism;
the program control unit is preset with chain length data, and controls the first chain power mechanism to drive the timing chain to enter the length of the chain loop connection unit according to the chain length data;
after the timing chain enters the chain encircling track along the feeding end of the chain encircling track through the driving of the first chain power mechanism, the timing chain is continuously driven to be transferred to the third chain power mechanism along the chain encircling track through the second chain power mechanism, after the third chain power mechanism is abutted against the timing chain, when the third chain power mechanism does not work, the second chain power mechanism drives the timing chain to be extruded along the discharging end, and when the third chain power mechanism works, the third chain power mechanism drives the timing chain to be continuously transferred to the opposite connection of the two ends of the timing chain along the chain encircling track.
2. The full-automatic assembly equipment for online loop connection of timing chains of automobile engines according to claim 1, wherein the chain guiding conveying channel comprises a sliding channel and two limiting strips positioned at two sides of the sliding channel, the timing chains slide on the sliding channel, and the timing chains are limited by the two limiting strips.
3. The full-automatic assembly equipment for the on-line loop connection of the timing chain of the automobile engine according to claim 2, wherein the chain guide conveying channel is provided with a front section and a rear section, the shaft pin punching mechanism and the chain piece pushing mechanism are both arranged on the rear section of the chain guide conveying channel, the front section of the machine body, which is positioned on the chain guide conveying channel, is also provided with a chain defect detection mechanism, the chain defect detection mechanism comprises a chain piece missing part sensing module corresponding to the number of the chain pieces on each section of the timing chain, a plurality of through holes are arranged on the limiting strip according to the heights of different chain pieces on each section of the timing chain, and the chain piece missing part sensing modules sense whether the chain pieces on each section of the timing chain are missing parts or not through the corresponding through holes respectively.
4. The full-automatic assembly equipment for the on-line loop connection of the timing chain of the automobile engine according to claim 3, wherein a framed chain transition platform is further arranged between the front chain guide conveying channel and the rear chain guide conveying channel, three first chain power mechanisms are arranged, two first chain power mechanisms are respectively arranged at the front position and the rear position of the framed chain transition platform, and the other first chain power mechanism is arranged behind the chain sheet pushing mechanism.
5. The full automatic assembly equipment for on-line loop connection of timing chain of automobile engine according to claim 4, wherein the first chain power mechanism, the second chain power mechanism and the third chain power mechanism each comprise a driving motor fixedly matched with the machine body, a conveying chain wheel connected to the power end of the driving motor, a photoelectric sensor fixedly matched with the driving motor, and counting teeth connected to the power end of the driving motor and corresponding to the photoelectric sensor.
6. The full-automatic assembly equipment for the on-line loop connection of the timing chain of the automobile engine according to claim 1, wherein the shaft pin punching and disengaging mechanism comprises a support frame arranged on a machine body, a punching mechanism arranged on the support frame and a lower pressing block connected to the movable end of the punching mechanism, a punching column matched with the shaft pin is arranged at the lower end of the lower pressing block, a material removing opening structure is arranged at the position, corresponding to the shaft pin punching and disengaging mechanism, on a chain guide conveying channel, when the shaft pin punching and disengaging mechanism works, the punching mechanism drives the punching column to punch the shaft pin on the timing chain, so that the shaft pin is punched and disengaged, and then the shaft pin is conveyed out of the material removing opening structure.
7. The full-automatic assembly equipment for the on-line loop connection of the timing chain of the automobile engine according to claim 1, wherein the chain sheet pushing mechanism comprises a pushing cylinder arranged at the side part of the chain guiding conveying channel and a pushing plate connected to the power end of the pushing cylinder, and the pushing plate corresponds to the material removing opening structure.
8. The full-automatic assembly equipment for online loop connection of the timing chain of the automobile engine according to claim 1, wherein the machine body is further provided with a chain testing unit, the chain testing unit comprises a tension testing mechanism arranged on the machine body and a chain pushing mechanism used for conveying the looped timing chain from a chain encircling track to the tension testing mechanism, the program control unit is pre-provided with tension peak value data, and the program control unit controls the tension testing mechanism to carry out tension testing on the timing chain according to the tension peak value data.
9. The full automatic assembly equipment for on-line loop connection of a timing chain of an automobile engine according to claim 8, wherein the tension testing mechanism comprises a chain bearing bracket, a fixed sprocket positioned on the chain bearing bracket, a hydraulic rod testing mechanism mounted on the chain bearing bracket, a linear sliding table mounted on the chain bearing bracket and connected with a testing end of the hydraulic rod testing mechanism in a power mode, and a movable sprocket mounted on the linear sliding table and capable of moving relative to the fixed sprocket on the chain bearing bracket.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210760790.8A CN115302240B (en) | 2022-06-29 | 2022-06-29 | Online ring joint full-automatic assembly equipment for timing chain of automobile engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210760790.8A CN115302240B (en) | 2022-06-29 | 2022-06-29 | Online ring joint full-automatic assembly equipment for timing chain of automobile engine |
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| Publication Number | Publication Date |
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| CN115302240A CN115302240A (en) | 2022-11-08 |
| CN115302240B true CN115302240B (en) | 2023-07-04 |
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| CN202210760790.8A Active CN115302240B (en) | 2022-06-29 | 2022-06-29 | Online ring joint full-automatic assembly equipment for timing chain of automobile engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5003184B2 (en) * | 2007-02-01 | 2012-08-15 | 株式会社ジェイテクト | Power transmission chain pin and manufacturing method thereof |
| CN203385567U (en) * | 2013-07-31 | 2014-01-08 | 杭州朗格锯链有限公司 | Saw chain pulling force testing apparatus |
| CN104308070B (en) * | 2014-11-19 | 2017-02-22 | 湖州求精汽车链传动有限公司 | Automatic chain forming assembly device and assembly method thereof |
| CN107345855B (en) * | 2017-06-28 | 2019-05-24 | 杭州盾牌链条有限公司 | A kind of chain Short Item detection device |
| CN107252868B (en) * | 2017-08-17 | 2019-06-04 | 青岛征和工业股份有限公司 | A kind of chain automatic ring connects head riveter |
| CN109648276B (en) * | 2019-01-30 | 2020-02-11 | 温州源利智能科技有限公司 | Chain and processing method and system thereof |
| CN216284683U (en) * | 2021-04-16 | 2022-04-12 | 大连科技学院 | Novel chain tension test machine |
| CN214894547U (en) * | 2021-06-15 | 2021-11-26 | 杭州星宇链业有限公司 | Tensile test device is used in chain processing |
| CN113927681A (en) * | 2021-11-18 | 2022-01-14 | 江苏建筑职业技术学院 | Multi-functional splicing apparatus of assembled building |
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2022
- 2022-06-29 CN CN202210760790.8A patent/CN115302240B/en active Active
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