CN114260579B - Automatic coding equipment for engine connecting rod - Google Patents
Automatic coding equipment for engine connecting rod Download PDFInfo
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- CN114260579B CN114260579B CN202111588704.1A CN202111588704A CN114260579B CN 114260579 B CN114260579 B CN 114260579B CN 202111588704 A CN202111588704 A CN 202111588704A CN 114260579 B CN114260579 B CN 114260579B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses automatic coding equipment for an engine connecting rod, which comprises a feeding step feeding channel, a robot, a CCD visual detection system, a four-station cam divider, a product positioning tool, a cylinder push rod assembly, a laser engraving machine, a two-dimensional code reader, a discharging step feeding channel, a reverse material storage channel, a waste material channel and a PLC control system, wherein a product center positioning mechanism is arranged on the feeding step feeding channel, and feeding detectors are arranged on two sides of a feeding station; the product center positioning mechanism, the robot, the four-station cam divider, the CCD visual detection system, the laser engraving machine, the two-dimensional code reader, the cylinder push rod assembly and the feeding detector are all electrically connected with the PLC control system. The invention has compact layout and reasonable design, can automatically separate and accurately position the products in the material channel, outputs signals to other equipment control systems, has the function of identification and error correction, and realizes the automatic and accurate positioning, high efficiency and unmanned operation of the connecting rod coding operation.
Description
Technical Field
The invention relates to the technical field of coding equipment, in particular to automatic coding equipment for an engine connecting rod.
Background
An engine connecting rod is a tool that connects a piston and a crankshaft, transmits the force applied by the piston to the crankshaft, and converts the reciprocating motion of the piston into rotational motion of the crankshaft. In the production process, key processing data in the processing process of each engine connecting rod are collected, and it is particularly important that the subsequent traceability of the product processing data is facilitated. Before the engine connecting rod is processed, an identity two-dimensional code is engraved on the surface of the engine connecting rod, and the binding of the subsequent processing data and the identity two-dimensional code becomes an indispensable step. Meanwhile, the existing manual material taking mode is high in labor intensity and low in working efficiency, and compared with automatic equipment, the automatic material taking mode has a large potential safety hazard, and the current production requirements of safety, fast rhythm, fewer people and even no people cannot be met.
In view of the above, how to develop and design an automatic coding device for engine connecting rods so as to meet the requirements on higher and higher automation degree and have important significance on actual production.
Disclosure of Invention
The invention aims to provide an automatic coding device for an engine connecting rod, which can not only keep the load state of the original track, but also enable the structure to become light and realize the intelligent switching between manual and automatic modes.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention discloses automatic coding equipment for an engine connecting rod, which comprises a feeding step material channel, a robot, a four-station cam divider, a product positioning tool, a discharging step material channel and a PLC control system, wherein the robot and the four-station cam divider are arranged on a workbench; the feeding device is characterized in that a product center positioning mechanism is arranged at the discharge end of the feeding channel of the feeding step, four product positioning tools are uniformly distributed on the top surface of the four-station cam divider in a circumference manner, and feeding detectors are arranged on two sides of a feeding station of the four-station cam divider; the product center positioning mechanism, the robot, the four-station cam divider, the CCD visual detection system, the laser marking machine, the two-dimensional code reader, the cylinder push rod assembly and the feeding detector are all electrically connected with the PLC control system.
Further, the product center positioning mechanism comprises a main mounting plate and two auxiliary mounting plates, each auxiliary mounting plate is assembled with the main mounting plate through two connecting columns, the auxiliary mounting plates are connected to the feeding channel of the feeding step through bolts, two in-place inductors are mounted on the connecting columns, a product blocking mechanism is connected to the auxiliary mounting plates, a feeding mechanism is arranged on one side of the main mounting plate, and a plug rod mechanism is connected to the feeding mechanism; a positioning assembly is arranged in the center of the main mounting plate; and the driving devices on the in-place sensor, the product blocking mechanism, the feeding mechanism, the inserted link mechanism and the positioning assembly are electrically connected with the PLC control system.
Further, an intermediate plate is arranged between the main mounting plate and the two auxiliary mounting plates, and the intermediate plate is connected to the main mounting plate through a linear rail sliding block assembly; the positioning assembly comprises a positioning three-jaw, a three-jaw driving cylinder and a tail positioning cylinder, wherein the three-jaw driving cylinder is connected to the upper part of the middle plate which is vertically arranged, the positioning three-jaw is connected with the three-jaw driving cylinder, the working end of the positioning three-jaw penetrates through the through hole of the middle plate, and the positioning three-jaw is embedded into the big head hole of the connecting rod during positioning; a tail positioning cylinder is arranged below the middle plate and is arranged on a cylinder mounting plate, the cylinder mounting plate is connected to the main mounting plate, and the working end of the tail positioning cylinder is connected with a tail positioning piece;
the feeding mechanism comprises a feeding transverse moving cylinder and a feeding connecting plate, one side of the feeding transverse moving cylinder is arranged on the main mounting plate, and the other side of the feeding transverse moving cylinder is connected with the inserting rod mechanism through the feeding connecting plate; the inserting rod mechanism comprises a material dividing and inserting cylinder and an inserting rod, the material dividing and inserting cylinder is arranged on an inserting cylinder mounting plate, the material dividing and inserting cylinder is vertically arranged with a feeding transverse moving cylinder, the inserting cylinder mounting plate is connected with a telescopic rod of the feeding transverse moving cylinder through a feeding connecting plate, two inserting rods are connected to the end parts of the telescopic rod of the material dividing and inserting cylinder, and the inserting rods extend to the front of the middle plate; a baffle rod is arranged below the inserted link and connected to the telescopic link of the material dividing and inserting cylinder; the product blocking mechanism comprises a blocking air cylinder, the blocking air cylinder is arranged on the auxiliary mounting plate, the end part of a telescopic rod of the blocking air cylinder is connected with a blocking plate, and the blocking plate extends into the feeding stepping channel and blocks the forward movement of the connecting rod.
Further, a square clearance hole is formed in the center of the main mounting plate, a limiting plate is connected to the top edge of the main mounting plate, and the linear rail sliding block assembly drives the middle plate, the positioning three claws and the connecting rod to be coded to move up and down.
Further, the robot comprises a robot base and a robot clamping jaw, wherein the robot clamping jaw is connected to the robot base through a six-axis connecting arm; the robot base is arranged on a frame at a design position or on the ground through a bolt assembly, and the robot clamping jaw can automatically open and close to clamp the connecting rod.
Further, the four-station cam divider comprises a disc and a cam divider, the cam divider is mounted at the bottom of the disc, the cam divider is connected with a gear reduction motor and driven by the gear reduction motor, and a plurality of product positioning tools are circumferentially and uniformly distributed on the top surface of the disc.
Further, the product positioning tool is provided with four products which are circumferentially and uniformly distributed on the top surface of the disc and are close to the edge.
Further, the product positioning tool comprises a compressing moving plate, a product pulling block and a fixed plate, wherein the compressing moving plate and the fixed plate are vertically arranged in parallel and limited by two adapter plates, the fixed plate is connected to the edge of the top surface of the disc, the adapter plates are arranged on the disc, the product pulling block is positioned on one side of the fixed plate, the product pulling block is connected to a soil-shaped connecting plate through screws, four angle positions of the soil-shaped connecting plate are connected with four guide shafts, four guide sleeves are arranged on the compressing moving plate, the other ends of the guide shafts penetrate through the guide sleeves, reset springs are sleeved on the guide shafts, and two ends of each reset spring are respectively abutted to one side surface of the compressing moving plate and a positioning nut at the end part of the guide shaft; the product pull-out block cooperates with the cylinder push rod assembly on the outside.
Further, the cylinder push rod assembly comprises a support, a push rod cylinder and a push rod, wherein the push rod cylinder is arranged on the workbench through the support, the push rod is connected to a telescopic rod of the push rod cylinder, and the head of the push rod is embedded and connected into a groove of the product pulling block; the push rod cylinder drives the push rod to horizontally move, and the product pulling-out block drives the compaction moving plate to be close to or far away from the fixed plate.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention relates to automatic coding equipment for an engine connecting rod, which comprises a feeding step feeding channel, a CCD visual detection system, a robot, a four-station cam divider, a product positioning tool, a discharging step feeding channel and a PLC control system, wherein the periphery of the four-station cam divider is sequentially provided with a cylinder push rod assembly, a laser engraving machine, a code reader and another cylinder push rod assembly from a feeding station, the other parallel side of the feeding step feeding channel is provided with a material reflecting storage channel, and the other parallel side of the discharging step feeding channel is provided with a waste material channel; a product center positioning mechanism is arranged at the discharge end of the feeding channel of the feeding step, four product positioning tools are uniformly distributed on the top surface of the four-station cam divider in a circumference manner, and feeding detectors are arranged at two sides of the feeding station of the four-station cam divider; the product center positioning mechanism, the robot, the four-station cam divider, the CCD visual detection system, the laser engraving machine, the two-dimensional code reader, the cylinder push rod assembly and the feeding detector are electrically connected with the PLC control system, so that automatic engraving operation of the connecting rod is realized.
The design of the four-station cam divider realizes continuous operation of connecting rod feeding, coding, qualified coding detection and finished product output, and has high automation degree;
2) The design of the product positioning tool realizes the stable conversion among a plurality of stations in the process of coding by virtue of the design of the spring and the push rod cylinder assembly;
3) The robot is selected, so that the automation level is further improved, the manual operation is greatly reduced, the working efficiency is improved, the labor intensity of workers is reduced, and the production safety is improved;
4) The design of CCD visual detection system and two-dimensional code reader belongs to the mistake proofing design, has realized the discernment of abnormal product, in time eliminates the defective products, the effectual product processingquality that has guaranteed.
In general, the automatic positioning device is compact in layout and reasonable in design, can automatically separate and accurately position products in a material channel, outputs signals to control systems of other equipment, has an identification and error correction function, and achieves automatic and accurate positioning, high efficiency and unmanned operation of connecting rod coding operation.
Drawings
The invention is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of an automatic engine connecting rod coding device according to the present invention;
FIG. 2 is a schematic view of a product centering mechanism of the present invention;
FIG. 3 is a front view of the product center positioning mechanism of the present invention;
FIG. 4 is a side view of the product centering mechanism of the present invention;
FIG. 5 is a top view of the product center positioning mechanism of the present invention;
FIG. 6 is a schematic view of a robot according to the present invention;
FIG. 7 is a schematic diagram of a four-position cam divider of the present invention;
FIG. 8 is a schematic diagram of a product positioning tool according to the present invention;
FIG. 9 is a second schematic diagram of a product positioning tool according to the present invention;
FIG. 10 is a schematic view of a cylinder pushrod assembly according to the present invention;
reference numerals illustrate: 1. feeding step by step; 2. a product center positioning mechanism; 3. a robot; 4. a four-position cam divider; 5. product positioning tool; 6. a CCD visual detection system; 7. a laser engraving machine; 8. a feeding channel for the discharging step; 9. a two-dimensional code reader; 10. a waste material channel; 11. a cylinder push rod assembly; 12. a loading detector; 13. a material returning storage station;
201. a main mounting plate; 202. positioning three claws; 203. a feeding and transversely moving cylinder; 203-1, a feeding connecting plate; 204. the material is separated and inserted into an air cylinder; 204-1, inserting a cylinder mounting plate; 204-2, a plunger; 205. a gear lever; 206. a gear limiting cylinder; 206-1, baffle; 207. a wire rail slider assembly; 208. an in-place sensor; 209. an auxiliary mounting plate; 210. a tail positioning cylinder; 210-1, a tail positioning cylinder mounting plate; 210-2, tail positioning piece; 211. a three-jaw driving cylinder; 212. an intermediate plate; 213. a connecting column; 214. a limiting plate;
301. a robot base; 302. a six-axis connecting arm; 303. a robot jaw;
401. a disc; 402. a cam divider; 403. a gear reduction motor;
501. compressing the movable plate; 502. a product pull-out block; 503. a guide sleeve; 504. a guide shaft; 505. a return spring; 506. an adapter plate; 507. a soil-shaped connecting plate; 508. a fixing plate;
1101. a support; 1102. a push rod cylinder; 1103. a push rod;
Detailed Description
As shown in fig. 1-10, an automatic coding device of an engine connecting rod comprises a feeding step feeding channel 1, a robot 3, a four-station cam divider 4, a product positioning tool 5, a discharging step feeding channel 8 and a PLC control system, wherein the robot 3 and the four-station cam divider 4 are arranged on a workbench, the feeding step feeding channel 1 and the discharging step feeding channel 8 are arranged on two sides of the robot 3, a CCD visual detection system 6 is arranged between the feeding step feeding channel 1 and the four-station cam divider 4, a cylinder push rod assembly 11, a laser marking machine 7, a two-dimensional code reader 9 and another cylinder push rod assembly 11 are sequentially arranged on the periphery of the four-station cam divider 4 from a feeding station, a reverse material storage channel 13 is arranged on the parallel other side of the feeding step feeding channel 1, and a waste material channel 10 is arranged on the parallel other side of the discharging step feeding channel 8; the discharging end of the feeding channel 1 of the feeding step is provided with a product center positioning mechanism 2, four product positioning tools 5 are uniformly distributed on the top surface of the four-station cam divider 4 in a circumference manner, and two sides of a feeding station of the four-station cam divider 4 are provided with feeding detectors 12; the product center positioning mechanism 2, the robot 3, the four-station cam divider 4, the CCD visual detection system 6, the laser marking machine 7, the two-dimensional code reader 9, the cylinder push rod assembly 11 and the feeding detector 12 are electrically connected with the PLC control system so as to realize automatic control.
As shown in fig. 2-5, the product center positioning mechanism 2 includes a main mounting plate 201 and two auxiliary mounting plates 209, each auxiliary mounting plate 209 is assembled with the main mounting plate 201 through two connecting columns, the auxiliary mounting plates 209 are connected to the feeding channel 1 through bolts, two in-place sensors 208 are installed on the connecting columns, a product blocking mechanism is connected to the auxiliary mounting plates 209, a feeding mechanism is arranged on one side of the main mounting plate 201, and a rod inserting mechanism is connected to the feeding mechanism; a positioning assembly is arranged in the center of the main mounting plate 201; the driving devices on the in-place sensor 208, the product blocking mechanism, the feeding mechanism, the inserting rod mechanism and the positioning assembly are all electrically connected with the PLC control system.
When the device works specifically, the connecting rods sequentially move inwards to feed through the feeding channel 1 of the feeding step, the connecting rods slide to the blocking mechanism and stop moving, after the in-place sensor 208 acquires an in-place signal of the connecting rods, the rod inserting mechanism receives an instruction and acts, and the rod inserting mechanism is inserted between the first connecting rod and the second connecting rod at the tail end; after the inserted link mechanism acts in place, the blocking mechanism acts to stop blocking operation and returns to a position where products are not blocked; the feeding mechanism acts to pull the first connecting rod at the tail end to the positioning assembly; the PLC control system detects that the feeding mechanism pulls the product to the positioning assembly, controls the product blocking mechanism to act, starts the function of blocking the product, and controls the positioning assembly to open for accurate center positioning of the product; after the positioning action of the positioning component is finished, the PLC control system controls the rod inserting mechanism to return and sends out an instruction signal to the robot 3 for product grabbing; after the PLC control system detects that the return action of the inserted link mechanism is finished, an action command is issued to control the feeding mechanism to return to an initial state.
Specifically, an intermediate plate 212 is disposed between the main mounting plate 201 and the two auxiliary mounting plates 209, and the intermediate plate 212 is connected to the main mounting plate 201 through a wire rail slider assembly 207; the positioning assembly comprises a three-jaw positioning device 202, a three-jaw driving cylinder 211 and a tail positioning cylinder 210, wherein the three-jaw driving cylinder 211 is connected to the upper part of a middle plate 212 which is vertically arranged, the three-jaw positioning device 202 is connected with the three-jaw driving cylinder 211, the working end of the three-jaw positioning device 202 passes through a through hole of the middle plate 212, and the three-jaw positioning device 202 is embedded into a big head hole of a connecting rod during positioning; a tail positioning cylinder 210 is arranged below the middle plate 212, the tail positioning cylinder 210 is mounted on a cylinder mounting plate 210-1, the cylinder mounting plate 210-1 is connected to the main mounting plate 201, the working end of the tail positioning cylinder 210 is connected with a tail positioning piece 210-2, and the small head end of a connecting rod is limited in the tail positioning piece 210-2; during operation, the three positioning claws 202 are driven to open by the three-claw driving cylinder 211, so that the big head end of the pushed connecting rod is precisely limited, and the small head end is limited by the tail positioning piece 210-2 at the bottom.
The feeding mechanism comprises a feeding transverse moving cylinder 203 and a feeding connecting plate 203-1, one side of the feeding transverse moving cylinder 203 is arranged on the main mounting plate 201, and the other side of the feeding transverse moving cylinder 203 is connected with the inserted link mechanism through the feeding connecting plate 203-1; the inserting rod mechanism comprises a material dividing and inserting cylinder 204 and an inserting rod 204-2, the material dividing and inserting cylinder 204 is arranged on an inserting cylinder mounting plate 204-1, the material dividing and inserting cylinder 204 is vertically arranged with a feeding and transversely moving cylinder 203, the inserting cylinder mounting plate 204-1 is connected with a telescopic rod of the feeding and transversely moving cylinder 203 through a feeding connecting plate 203-1, two inserting rods 204-2 are connected to the end parts of the telescopic rods of the material dividing and inserting cylinder 204, the inserting rods 204-2 extend to the front of the middle plate 212, a baffle rod 205 is arranged below the inserting rods 204-2, and the baffle rod 205 is connected to the telescopic rods of the material dividing and inserting cylinder 204; the product blocking mechanism comprises a blocking air cylinder 206, the blocking air cylinder 206 is mounted on the auxiliary mounting plate 209, the end part of a telescopic rod of the blocking air cylinder 206 is connected with a blocking plate 206-1, and the blocking plate 206-1 extends into the feeding channel 1 of the feeding step and blocks the forward movement of a connecting rod; when the device works, the working rod of the material dividing and inserting cylinder 204 drives the inserting rod 204-2 and the baffle rod 205 to extend to the middle of the first connecting rod and the second connecting rod to be coded, after the blocking cylinder 206 is retracted, the telescopic rod of the feeding transverse moving cylinder 203 is retracted to drive the inserting rod 204-2 to push the first connecting rod to the middle plate 212, and then the three positioning claws 202 and the tail positioning piece 210-2 work to realize connecting rod positioning; finally, the blocking cylinder 206 is pushed out for reset, and the telescopic rod of the material separating and inserting cylinder 204 is retracted for reset.
As shown in fig. 4 and 5, a square clearance hole is formed in the center of the main mounting plate 201, a limiting plate 214 is connected to the top edge of the main mounting plate 201, the linear rail sliding block assembly 207 drives the middle plate 212, the positioning three claws 202 and the connecting rod to be coded to move up and down, and the connecting rod is limited by the limiting plate 214 after being conveyed to the top upwards, so that the material taking operation of the robot is facilitated. Specifically, the wire rail slider assembly 207 is an existing standard component, and is assembled into the mechanism after purchase, and the specific components are not described herein.
As shown in fig. 6, the robot 3 includes a robot base 301 and a robot jaw 303, the robot jaw 303 being connected to the robot base 301 by a six-axis connecting arm 302; the robot base 301 is installed on a frame of a design position or on the ground through a bolt assembly, and the robot clamping jaw 303 can automatically open and close to clamp the connecting rod.
As shown in fig. 7, the four-station cam divider 4 includes a disc 401 and a cam divider 402, the cam divider 402 is mounted at the bottom of the disc 401, the cam divider 402 is connected with a gear reduction motor 403 and driven by the gear reduction motor 403, and a plurality of product positioning tools 5 are circumferentially and uniformly distributed on the top surface of the disc 401.
As shown in fig. 8 and 9, the product positioning tool 5 is provided with four product positioning tools and is circumferentially and uniformly distributed on the top surface of the disc 401 and near the edge. The product positioning tool 5 comprises a pressing moving plate 501, a product pulling block 502 and a fixed plate 508, wherein the pressing moving plate 501 and the fixed plate 508 are vertically arranged in parallel and limited by two adapter plates 506, the fixed plate 508 is connected to the edge of the top surface of the disc 401, the adapter plates 506 are installed on the disc 401, the product pulling block 502 is located at one side of the fixed plate 508, the product pulling block 502 is connected to a soil-shaped connecting plate 507 through screws, four corners of the soil-shaped connecting plate are connected with four guide shafts 504, four guide sleeves 503 are installed on the pressing moving plate 501, the other ends of the guide shafts 504 penetrate through the guide sleeves 503, a reset spring 505 is sleeved on the guide shafts 504, and two ends of the reset spring 505 are respectively abutted to one side surface of the pressing moving plate 501 and positioning nuts at the ends of the guide shafts 504; the product pull out block 502 mates with the outer cylinder push rod assembly 11.
As shown in fig. 10, the cylinder-push rod assembly 11 includes a support 1101, a push rod cylinder 1102 and a push rod 1103, the push rod cylinder 1102 is mounted on the table 401 through the support 1101, the push rod 1103 is connected to a telescopic rod of the push rod cylinder 1102, and a head of the push rod 1103 is embedded and connected in a groove of the product pulling block 502; the push rod cylinder 1102 drives the push rod 1103 to horizontally move through the product pulling block 502 to drive the pressing moving plate 501 to approach or separate from the fixing plate 508. Specifically, the four-station cam divider 4 rotates to sequentially pass through a feeding station, a coding station, a code reading station and a discharging station, and the heads of the push rods 1103 are directly embedded into the grooves of the product pulling blocks 502 at the feeding station and the discharging station.
Specifically, before the connecting rod is placed into the compressing moving plate 501 and the fixed plate 508 through the robot 3 at the feeding station, the push rod 1103 drives the product pulling block 502 to act so that the compressing moving plate 501 is far away from the fixed plate 508, the reset spring 505 is in a compressing state, the connecting rod is placed between the compressing moving plate 501 and the fixed plate 508, then the push rod cylinder 1102 drives the push rod 1103 to reset, the reset spring 505 stretches to drive the compressing moving plate 501 to be close to the fixed plate 508 and compress the connecting rod, positioning is achieved, and finally the disc 401 on the four-station cam divider 4 rotates to finish the marking operation, the code reading judgment and the material taking operation of the connecting rod, and the material taking operation is that the push rod 1103 drives the product pulling block 502 to act so that the compressing moving plate 501 is far away from the fixed plate 508, so that the connecting rod is released to be in a free state and is taken away by the robot to be placed on the next corresponding station.
The working process of the invention is as follows:
firstly, feeding operation: the feeding step feeding channel 1 is used for placing a connecting rod of a two-dimensional code to be engraved by an operator, the robot 3 is used for clamping the connecting rod which is positioned accurately by the product center positioning mechanism 2 at the tail end of the feeding step feeding channel, the connecting rod is sequentially used for identifying the front and the back of a product through the CCD visual detection system 6, if the product direction meets the requirement, the robot places the product into the product positioning tool 5 of the feeding station, and if the product does not meet the product direction, the robot rotates the product for 180 degrees and then judges again; if not, putting the materials into the material returning storage channel 13;
secondly, the coding operation: the four-station cam divider mechanism 4 is used for robot feeding, coding, code reading and robot blanking operation respectively; the product positioning tool 5 is in an open state when the robot 3 performs feeding and discharging, so that the robot 3 is convenient to take out, the code-carving station and the code-reading station are in a closed state, the product positioning tool is used for accurately positioning products, the laser imprinter 7 is used for imprinting two-dimension codes in a designated area, the imprinted two-dimension code data are automatically generated by an informatization system and are transmitted to a PLC (programmable logic controller) control system through a TCP/IP (transmission control protocol/Internet protocol), and the PLC control system transmits the data to the laser imprinter 7 through a profinet interface for code-carving operation;
the PLC control system transmits the data to the two-dimensional code reader 9 through the profinet interface, the two-dimensional code reader 9 is used for reading the two-dimensional code of the previous marking and transmitting the two-dimensional code data to the PLC control system, and the upper computer informatization system judges whether the data is a qualified product after acquiring the data;
finally, blanking operation: judging and identifying by a two-dimensional code reader 9, if the product is qualified, placing the processed connecting rod on a feeding channel 8 of the blanking step by a robot 3, and outputting the connecting rod through the feeding channel 8 of the blanking step; if the connecting rod is a defective product, the processed defective connecting rod is placed on a waste material channel 13 through a robot 3.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. An automatic coding equipment of engine connecting rod, its characterized in that: the automatic feeding device comprises a feeding step feeding channel (1), a robot (3), a four-station cam divider (4), a product positioning tool (5), a discharging step feeding channel (8) and a PLC control system, wherein the robot (3) and the four-station cam divider (4) are arranged on a workbench, the feeding step feeding channel (1) and the discharging step feeding channel (8) are arranged on two sides of the robot (3), a CCD visual detection system (6) is arranged between the feeding step feeding channel (1) and the four-station cam divider (4), one cylinder push rod assembly (11), a laser engraving machine (7), a two-dimensional code reader (9) and the other cylinder push rod assembly (11) are sequentially arranged on the periphery of the four-station cam divider (4) from a feeding station, a feedback storage channel (13) is arranged on the other parallel side of the feeding step feeding channel (1), and a waste material channel (10) is arranged on the other parallel side of the discharging step feeding channel (8); a product center positioning mechanism (2) is arranged at the discharge end of the feeding channel (1) of the feeding step, four product positioning tools (5) are uniformly distributed on the top surface of the four-station cam divider (4) in a circumference manner, and feeding detectors (12) are arranged at two sides of a feeding station of the four-station cam divider (4);
the product center positioning mechanism (2), the robot (3), the four-station cam divider (4), the CCD visual detection system (6), the laser marking machine (7), the two-dimensional code reader (9), the cylinder push rod assembly (11) and the feeding detector (12) are electrically connected with the PLC control system;
the product center positioning mechanism (2) comprises a main mounting plate (201) and two auxiliary mounting plates (209), each auxiliary mounting plate (209) is assembled with the main mounting plate (201) through two connecting columns (213), the auxiliary mounting plates (209) are connected to the feeding channel (1) through bolts, two in-place sensors (208) are mounted on the connecting columns (213), a product blocking mechanism is connected to the auxiliary mounting plates (209), a feeding mechanism is arranged on one side of the main mounting plate (201), and a rod inserting mechanism is connected to the feeding mechanism; a positioning assembly is arranged in the center of the main mounting plate (201); the driving devices on the in-place sensor (208), the product blocking mechanism, the feeding mechanism, the inserting rod mechanism and the positioning assembly are electrically connected with the PLC control system;
an intermediate plate (212) is arranged between the main mounting plate (201) and the two auxiliary mounting plates (209), and the intermediate plate (212) is connected to the main mounting plate (201) through a wire rail sliding block assembly (207);
the positioning assembly comprises a three-jaw positioning device (202), a three-jaw driving cylinder (211) and a tail positioning cylinder (210), wherein the three-jaw driving cylinder (211) is connected to the upper part of a middle plate (212) which is vertically arranged, the three-jaw positioning device (202) is connected with the three-jaw driving cylinder (211), the working end of the three-jaw positioning device (202) passes through a through hole of the middle plate (212), and the three-jaw positioning device (202) is embedded into a big head hole of a connecting rod during positioning; a tail positioning air cylinder (210) is arranged below the middle plate (212), the tail positioning air cylinder (210) is arranged on an air cylinder mounting plate (210-1), the air cylinder mounting plate (210-1) is connected to the main mounting plate (201), and the working end of the tail positioning air cylinder (210) is connected with a tail positioning piece (210-2);
the feeding mechanism comprises a feeding transverse moving cylinder (203) and a feeding connecting plate (203-1), one side of the feeding transverse moving cylinder (203) is arranged on the main mounting plate (201), and the other side of the feeding transverse moving cylinder (203) is connected with the inserted link mechanism through the feeding connecting plate (203-1);
the inserting rod mechanism comprises a material dividing and inserting cylinder (204) and an inserting rod (204-2), the material dividing and inserting cylinder (204) is arranged on an inserting cylinder mounting plate (204-1), the material dividing and inserting cylinder (204) is vertically arranged with a feeding transverse moving cylinder (203), the inserting cylinder mounting plate (204-1) is connected with a telescopic rod of the feeding transverse moving cylinder (203) through the feeding connecting plate (203-1), two inserting rods (204-2) are connected to the end parts of the telescopic rods of the material dividing and inserting cylinder (204), the inserting rods (204-2) extend to the front of the middle plate (212), a baffle rod (205) is arranged below the inserting rods (204-2), and the baffle rod (205) is connected to the telescopic rods of the material dividing and inserting cylinder (204);
the product blocking mechanism comprises a blocking air cylinder (206), the blocking air cylinder (206) is arranged on the auxiliary mounting plate (209), a blocking plate (206-1) is connected to the end portion of a telescopic rod of the blocking air cylinder (206), and the blocking plate (206-1) extends into the feeding channel (1) of the feeding step and blocks the forward movement of the connecting rod.
2. The automatic engine connecting rod coding device according to claim 1, wherein: the center of main mounting panel (201) is provided with square clearance hole, the top edge of main mounting panel (201) is connected with limiting plate (214), line rail slider subassembly (207) drive intermediate plate (212) three-jaw (202) and the connecting rod that waits to carve the sign indicating number reciprocates.
3. The automatic engine connecting rod coding device according to claim 1, wherein: the robot (3) comprises a robot base (301) and a robot clamping jaw (303), wherein the robot clamping jaw (303) is connected to the robot base (301) through a six-axis connecting arm (302); the robot base (301) is installed on a frame of a design position or on the ground through a bolt assembly, and the robot clamping jaw (303) can automatically open and close to clamp the connecting rod.
4. The automatic engine connecting rod coding device according to claim 1, wherein: the four-station cam divider (4) comprises a disc (401) and a cam divider (402), the cam divider (402) is arranged at the bottom of the disc (401), the cam divider (402) is connected with a gear reduction motor (403) and driven by the gear reduction motor (403), and a plurality of product positioning tools (5) are circumferentially and uniformly distributed on the top surface of the disc (401).
5. The automatic engine connecting rod coding device according to claim 4, wherein: the product positioning tool (5) is provided with four products which are uniformly distributed on the top surface of the disc (401) in a circumference manner and are close to the edge.
6. The automatic engine connecting rod coding device according to claim 5, wherein: the product positioning tool (5) comprises a pressing moving plate (501), a product pulling block (502) and a fixed plate (508), wherein the pressing moving plate (501) and the fixed plate (508) are vertically arranged in parallel and limited by two adapter plates (506), the fixed plate (508) is connected to the edge of the top surface of the disc (401), the adapter plates (506) are installed on the disc (401), the product pulling block (502) is located on one side of the fixed plate (508), the product pulling block (502) is connected to a soil-shaped connecting plate (507) through screws, four guide shafts (504) are connected to four corners of the soil-shaped connecting plate, four guide sleeves (503) are installed on the pressing moving plate (501), the other ends of the guide shafts (504) penetrate through the guide sleeves (503), reset springs (505) are sleeved on the guide shafts (504), and two ends of each reset spring (505) are respectively abutted to one side surface of the pressing moving plate (504) and one end of each guide shaft (end of each guide nut) is located on each guide shaft (503); the product pull out block (502) cooperates with the outer cylinder push rod assembly (11).
7. The automatic engine connecting rod coding device according to claim 6, wherein: the cylinder push rod assembly (11) comprises a support (1101), a push rod cylinder (1102) and a push rod (1103), wherein the push rod cylinder (1102) is installed on a workbench through the support (1101), the push rod (1103) is connected to a telescopic rod of the push rod cylinder (1102), and the head of the push rod (1103) is embedded and connected in a groove of the product pulling block (502); the push rod cylinder (1102) drives the push rod (1103) to horizontally move, and the product pulling-out block (502) drives the compressing moving plate (501) to be close to or far away from the fixed plate (508).
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| CN202111588704.1A CN114260579B (en) | 2021-12-23 | 2021-12-23 | Automatic coding equipment for engine connecting rod |
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| CN202111588704.1A CN114260579B (en) | 2021-12-23 | 2021-12-23 | Automatic coding equipment for engine connecting rod |
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| CN114260579B true CN114260579B (en) | 2023-08-25 |
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| CN117943700A (en) * | 2024-03-22 | 2024-04-30 | 宁德时代新能源科技股份有限公司 | Code-engraving device, code-engraving method and code-engraving fool-proofing method |
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