CN110180989B - Chain machining process - Google Patents
Chain machining process Download PDFInfo
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- CN110180989B CN110180989B CN201910486795.4A CN201910486795A CN110180989B CN 110180989 B CN110180989 B CN 110180989B CN 201910486795 A CN201910486795 A CN 201910486795A CN 110180989 B CN110180989 B CN 110180989B
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- chain
- limiting
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- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L9/00—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains
- B21L9/02—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains of roller-chain or other plate-link type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L19/00—Appurtenances for chain-making not restricted to any particular process
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a chain processing technology, which comprises the following steps: a. raw material inspection: selecting alloy steel with austenite grain size of more than six grades, wherein the alloy steel contains Cr, Ni and Mo elements; b. blanking; c. hot-knitting chains; d. shot blasting: steel shots with required diameters are sprayed on the surfaces of the parts as required to form uniform small pits so as to improve the surface fatigue strength of the chain; e. welding and deburring: two end faces of a bent metal circular ring are butted into a closed loop by a resistance welding method; f. and (3) heat treatment: in the heat treatment equipment, various auxiliary media are adopted at high temperature, so that the organization structure of parts is improved, and the performance of various articles is improved; g. stretching and straightening: the full-automatic stretching program comprises eight parts, namely pull head advancing, fast advancing, slow advancing, pressure maintaining, measuring, fast retreating, slow retreating and pull head retreating, so that the high precision of stretching displacement is ensured; h. and (4) dipping paint and warehousing: putting the chain into a paint dipping device, and painting paint on the surface of the chain to prevent the chain from directly contacting with air and water.
Description
Technical Field
The invention belongs to the technical field of waste plastic recovery, and particularly relates to a chain processing technology.
Background
The chain is generally a metallic chain ring or ring, and is used for mechanical transmission and traction. Chains used to obstruct traffic paths (e.g. in streets, rivers or estuary entrances), chains used mechanically.
Splayed chain is the one kind of chain, and splayed chain can be the connecting link effect in daily life for the hanging of advertising sign or outdoor flowerpot is used, for increasing pleasing to the eye degree, scribbles paint on the splayed chain usually, and general splayed chain painting method is for directly putting into the dip-dyeing pond with the splayed chain and dip-dyes, and the chain is in the paint easily and is infected with too much paint on the chain for a long time, causes the waste of paint, and the chain is in quiescent condition simultaneously, the dip-dyeing dead angle appears easily.
Disclosure of Invention
The invention provides a chain processing technology for overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: a chain processing technology comprises the following steps:
a. raw material inspection: selecting alloy steel with austenite grain size of more than six grades, wherein the alloy steel contains Cr, Ni and Mo elements;
b. blanking: cutting off the raw material by adopting a precise bar stock shearing machine and a constraint shearing principle;
c. hot-knitting chain: adopting heating equipment and chaining equipment to work simultaneously, and connecting the interlinkage together to form a chain rudiment;
d. shot blasting: steel shots with required diameters are sprayed on the surfaces of the parts as required to form uniform small pits so as to improve the surface fatigue strength of the chain;
e. welding and deburring: two end faces of a bent metal circular ring are butted into a closed loop by a resistance welding method;
f. and (3) heat treatment: in the heat treatment equipment, various auxiliary media are adopted at high temperature, so that the organization structure of parts is improved, and the performance of various articles is improved;
g. stretching and straightening: the full-automatic stretching program comprises eight parts, namely pull head advancing, fast advancing, slow advancing, pressure maintaining, measuring, fast retreating, slow retreating and pull head retreating, so that the high precision of stretching displacement is ensured;
h. and (4) dipping paint and warehousing: putting the chain into paint dipping equipment, and painting paint on the surface of the chain to prevent the chain from directly contacting with air and water;
the dip coating equipment in the step h comprises a dip dyeing barrel and a connecting plate arranged above the dip dyeing barrel, wherein a plurality of first through holes are formed in the connecting plate, an installation cavity is formed in the connecting plate, the first through holes penetrate through the installation cavity, a fixing rod matched with the first through holes is arranged in the installation cavity, a limiting assembly matched with the fixing rod is arranged on one side of the fixing rod, the fixing rod and the limiting assembly are respectively arranged on two sides of the first through holes, a first connecting block is arranged at the top of the connecting plate, a hydraulic cylinder is arranged above the first connecting block, and the first connecting block is rotatably connected to a piston rod of the hydraulic cylinder; the inner wall of the dip dyeing barrel is provided with a threaded groove, and the side wall of the connecting plate is provided with a threaded convex strip matched with the threaded groove; after the chain is stretched, the chain is conveyed to the position above the connecting plate, the chain is aligned with the first through hole, the processing chain is placed into the first through hole, after the end part of the chain moves into the first through hole, the fixing rod moves towards the limiting assembly, the fixing rod penetrates through a chain ring at the end part of the chain to be matched with the limiting assembly, the chain is fixed in the first through hole, and the chain is installed on the connecting plate; after all being equipped with the chain in every first through-hole, pneumatic cylinder drive connecting plate down moves, and the connecting plate drives the chain and down moves along the dip-dyeing bucket, and thread groove and screw thread sand grip are mutually supported, make the connecting plate rotate at the decline in-process, drive the chain at the dip-dyeing bucket internal rotation, make the chain stir paint, and after the connecting plate descends to the dip-dyeing bottom of the barrel portion, pneumatic cylinder drive connecting plate up rises, accomplishes the dip-dyeing process to the chain.
The chain is fixed in a mode of placing the chain on the connecting plate, so that the chain is conveniently placed in the dip dyeing barrel for dip coating treatment, and meanwhile, the chain in the dip dyeing barrel can be conveniently taken out, the material taking difficulty of the chain is reduced, and the chain is more convenient to process; under the mutual matching of the threaded grooves and the threaded raised lines, the connecting plate rotates in the descending process, and the connecting plate drives the chain to rotate, so that the chain can stir the paint, the paint is prevented from being deposited at the bottom of the dip dyeing barrel, and the painting effect of the chain is ensured; when the chain moves downwards along with the connecting plate to be contacted with the bottom surface of the dip dyeing barrel, the bottom of the chain is arranged at the bottom of the dip dyeing barrel, so that the chain is in a loose state, the contact points between chain rings are separated, the paint is contacted with the contact points of the chain rings, and the painting uniformity of the chain is improved.
The heat treatment in the step f adopts a far infrared thermometer to monitor the heat treatment temperature in real time, and the temperature measurement range is selected to be between 200 ℃ and 1100 ℃ according to the process requirements of the heat treatment of the round-link chain; the far infrared temperature measuring instrument is used for monitoring the heat treatment equipment, the temperature of the heat treatment equipment is controlled within a certain value, and the influence on the processing of the chain caused by overhigh temperature or overlow temperature is avoided.
The sensor position of the far infrared thermometer is arranged at a position forming an angle of 45 degrees with the plane where the two straight edges of the vertical ring of the chain to be measured are located, and the distance between the sensor and the chain to be measured depends on the diameter of the chain; the position of the sensor of the far infrared thermometer is adjusted, so that the sensor is always matched with the chain, the temperature on the chain is conveniently controlled in real time, and the processing effect on the chain is improved.
The blanking in the step b requires that the steel bar can be erected, no burr and chamfer are generated, and the length error of the steel bar is +/-0.5 mm; and monitoring the blanking bar stock, and adjusting the chain from the raw material to ensure the quality of the finished chain product.
The deburring method in the step e comprises the following steps: after the welding is finished, rapidly removing burrs by adopting a single cutter after 2 seconds of pressure maintaining time; adopt the mode welding burr of single sword to strike off under specific pressure, make chain link surface more level and smooth, promote the pleasing to the eye degree of chain finished product, avoid welding burr to cause the injury to the user.
An equipment cavity is formed in the connecting block, a first driving motor is arranged in the equipment cavity, an output shaft of the first driving motor penetrates through the installation cavity, a first driving wheel is arranged on the output shaft of the first driving motor, and a driving lug is arranged on the side wall of the first driving wheel; a first connecting rod is arranged in the mounting cavity, the fixing rod is arranged on the first connecting rod, and a second driving wheel matched with the driving lug is arranged at one end of the first connecting rod; after the chain is placed into the first through hole, the chain is placed downwards along the inner wall of the first through hole, the chain moves downwards along the first through hole until one end of the chain moves into the first through hole, the first driving motor drives the first driving wheel to rotate, when the first driving wheel rotates, the driving lug is in contact with the second driving wheel to drive the second driving wheel to rotate, the second driving wheel rotates around a connecting point, the fixed rod moves towards the limiting component, the fixed rod penetrates through the chain ring to be matched with the limiting component, the chain is fixed in the first through hole, and the connecting plate drives the chain to move upwards and downwards to complete paint dipping operation of the chain; after the chain is placed into the first through hole, the fixed rod automatically moves towards the limiting assembly under the action of the first driving motor to fix the chain, so that the chain is conveniently arranged on the connecting plate; the chains are sequentially placed into the first through holes until the first through holes are filled with the chains, and an operator only needs to place the chains into the first through holes to complete the installation of the chains, so that the assembly difficulty of the chains is reduced; the plurality of chains are fixed through the plurality of first through holes, so that the plurality of chains are subjected to paint dipping treatment simultaneously, and the processing efficiency of the chains is improved; under the mutually supporting of transmission lug and second drive wheel, can control the dead lever of every first through-hole department alone respectively, make the use of connection pad more nimble, can play the fixed action to the chain in the first through-hole of corresponding quantity as required, be convenient for to the dead lever independent control of every first through-hole department, promote the cooperation effect of dead lever and chain.
The limiting assembly comprises a second connecting rod arranged in the mounting cavity, a limiting groove arranged on the second connecting rod and a first limiting plate arranged in the limiting groove, the fixing rod is matched with the limiting groove, a first groove is formed in the side wall of the limiting groove, a limiting spring is arranged in the first groove, a first limiting tooth is arranged on the first limiting plate, and a second limiting tooth matched with the first limiting tooth is arranged on the fixing rod; a first movable cavity is arranged above the mounting cavity, a push plate is arranged in the first movable cavity, a first through groove is formed in the bottom of the first movable cavity, and a lug matched with the second connecting rod is arranged at the bottom of the push plate; a second groove matched with the second connecting rod is formed in the bottom of the mounting cavity, and a supporting spring is arranged in the second groove; after one end of the chain enters the first through hole, the fixed rod moves towards the direction of the limiting assembly, the fixed rod is inserted into the limiting groove, the first limiting tooth is contacted with the second limiting tooth, the first limiting tooth pushes the first limiting plate to enter the first groove, the first limiting tooth moves to the other side of the second limiting tooth, and the first limiting tooth and the second limiting tooth are matched with each other to fix the chain; after the paint dipping of the chain is finished, the hydraulic cylinder drives the connecting plate to rise, the push plate moves downwards along the first movable cavity, the push block pushes the second connecting rod to move towards the second groove, the fixed rod is separated from the limiting groove, the fixed rod is separated from the chain ring, the chain is taken out of the first through hole, and the chain after the paint dipping is finished is collected; under the action of the push plate, all the second connecting rods can be controlled, so that the first limiting teeth and the second limiting teeth are separated, the fixed rod is separated from the chain ring, the chain is convenient to collect, and the difficulty in collecting the chain is reduced; the chains do not need to be detached from the connecting disc one by one, so that the chain collecting efficiency is improved; under the mutual cooperation of first spacing tooth and second spacing tooth, make the dead lever can only unidirectional motion, change over to the spacing inslot into as the dead lever and be fixed in the spacing inslot promptly, make the fixed operation of dead lever more convenient, reduce the chain assembly degree of difficulty.
The invention has the following advantages: when the chain moves downwards along with the connecting plate to be contacted with the bottom surface of the dip dyeing barrel, the bottom of the chain is arranged at the bottom of the dip dyeing barrel, so that the chain is in a loose state, the contact points between chain rings are separated, the paint is contacted with the contact points of the chain rings, and the painting uniformity of the chain is improved.
Drawings
FIG. 1 is a schematic view of the construction of the paint dipping apparatus of the present invention.
Fig. 2 is a first cross-sectional schematic view of the paint dipping apparatus of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is an enlarged view of fig. 2 at B.
FIG. 5 is a schematic sectional view of the second embodiment of the paint dipping apparatus of the present invention.
Fig. 6 is an enlarged view of fig. 5 at C.
Fig. 7 is an enlarged view of fig. 5 at D.
Fig. 8 is an enlarged view of fig. 5 at E.
Fig. 9 is a schematic sectional view three of the paint dipping apparatus of the present invention.
Fig. 10 is a schematic sectional view of the paint dipping apparatus of the present invention.
Fig. 11 is an enlarged view of fig. 10 at F.
Detailed Description
A chain processing technology comprises the following steps: a. raw material inspection: selecting alloy steel with austenite grain size of more than six grades, wherein the alloy steel contains Cr, Ni and Mo elements; b. blanking: cutting off the raw material by adopting a precise bar stock shearing machine and a constraint shearing principle; c. hot-knitting chain: adopting heating equipment and chaining equipment to work simultaneously, and connecting the interlinkage together to form a chain rudiment; d. shot blasting: steel shots with required diameters are sprayed on the surfaces of the parts as required to form uniform small pits so as to improve the surface fatigue strength of the chain; e. welding and deburring: two end faces of a bent metal circular ring are butted into a closed loop by a resistance welding method; f. and (3) heat treatment: in the heat treatment equipment, various auxiliary media are adopted at high temperature, so that the organization structure of parts is improved, and the performance of various articles is improved; g. stretching and straightening: the full-automatic stretching program comprises eight parts, namely pull head advancing, fast advancing, slow advancing, pressure maintaining, measuring, fast retreating, slow retreating and pull head retreating, so that the high precision of stretching displacement is ensured; h. and (4) dipping paint and warehousing: putting the chain into paint dipping equipment, and painting paint on the surface of the chain to prevent the chain from directly contacting with air and water; the heat treatment in the step f adopts a far infrared thermometer to monitor the heat treatment temperature in real time, and the temperature measurement range is selected to be between 200 ℃ and 1100 ℃ according to the process requirements of the heat treatment of the round-link chain; the sensor position of the far infrared thermometer is arranged at a position forming an angle of 45 degrees with the plane where the two straight edges of the vertical ring of the chain to be measured are located, and the distance between the sensor and the chain to be measured depends on the diameter of the chain; the blanking in the step b requires that the steel bar can be erected, no burr and chamfer are generated, and the length error of the steel bar is +/-0.5 mm; the deburring method in the step e comprises the following steps: and (5) after the welding is finished, and after 2 seconds of pressure maintaining time, rapidly removing burrs by adopting a single cutter.
As shown in fig. 1 to 11, the dip coating equipment in the step h includes a dip dyeing barrel 1 and a connecting plate 2 disposed above the dip dyeing barrel 1, the connecting plate 2 is provided with a plurality of first through holes 23, the connecting plate 2 is provided with an installation cavity 26, the first through holes 23 penetrate through the installation cavity 26, a fixing rod 271 matched with the first through holes 23 is disposed in the installation cavity 26, a limiting component matched with the fixing rod 271 is disposed on one side of the fixing rod 271, the fixing rod 271 and the limiting component are respectively disposed on two sides of the first through hole 23, a first connecting block 22 is disposed on the top of the connecting plate 2, a hydraulic cylinder 21 is disposed above the first connecting block 22, and the first connecting block 22 is rotatably connected to a piston rod of the hydraulic cylinder 21; the inner wall of the dip dyeing barrel 1 is provided with a threaded groove, and the side wall of the connecting plate 2 is provided with a threaded convex strip matched with the threaded groove; after the chain is stretched, the chain is conveyed to the position above the connecting plate 2, the chain is aligned with the first through hole 23, the chain is placed into the first through hole 23, after the end part of the chain moves into the first through hole 23, the fixing rod 271 moves towards the limiting assembly, the fixing rod 271 penetrates through a chain ring at the end part of the chain to be matched with the limiting assembly, the chain is fixed in the first through hole 23, and the chain is installed on the connecting plate 2; after all being equipped with the chain in every first through-hole 23, pneumatic cylinder 21 drive connecting plate 2 downstream, connecting plate 2 drives the chain along the 1 downstream of dip-dye bucket, and the screw thread groove is mutually supported with the screw thread sand grip, makes connecting plate 2 rotate at the in-process that descends, drives the chain at 1 internal rotation of dip-dye bucket, makes the chain stir paint, and after connecting plate 2 descends to dip-dye bucket 1 bottom, pneumatic cylinder 21 drive connecting plate 2 up rises, accomplishes the dip-dye process to the chain.
The chain is fixed in a mode of placing the chain on the connecting plate, so that the chain is conveniently placed in the dip dyeing barrel for dip coating treatment, and meanwhile, the chain in the dip dyeing barrel can be conveniently taken out, the material taking difficulty of the chain is reduced, and the chain is more convenient to process; under the mutual matching of the threaded grooves and the threaded raised lines, the connecting plate rotates in the descending process, and the connecting plate drives the chain to rotate, so that the chain can stir the paint, the paint is prevented from being deposited at the bottom of the dip dyeing barrel, and the painting effect of the chain is ensured; when the chain moves downwards along with the connecting plate to be contacted with the bottom surface of the dip dyeing barrel, the bottom of the chain is arranged at the bottom of the dip dyeing barrel, so that the chain is in a loose state, the contact points between chain rings are separated, the paint is contacted with the contact points of the chain rings, and the painting uniformity of the chain is improved.
The top of the first connecting block is provided with a connecting shaft 221, the connecting shaft penetrates through a piston rod of the hydraulic cylinder, the top of the connecting shaft is provided with a second limiting plate, a piston rod of the hydraulic cylinder is provided with a second movable cavity matched with the second limiting plate, and the first connecting block and the piston rod of the hydraulic cylinder can be rotatably connected under the mutual matching of the connecting shaft, the second limiting plate and the second movable cavity.
An equipment cavity is formed in the connecting block, a first driving motor 222 is arranged in the equipment cavity, an output shaft of the first driving motor 222 is arranged in the mounting cavity 26 in a penetrating mode, a first driving wheel 25 is arranged on the output shaft of the first driving motor 222, and a driving lug 251 is arranged on the side wall of the first driving wheel 25; a first connecting rod 27 is arranged in the mounting cavity 26, the fixing rod 271 is arranged on the first connecting rod 27, and a second driving wheel 273 matched with the driving lug 251 is arranged at one end of the first connecting rod 27; after the chain is placed into the first through hole 23, the chain is placed downwards along the inner wall of the first through hole 23, the chain is enabled to move downwards along the first through hole 23 until one end of the chain moves into the first through hole 23, the first driving motor 222 drives the first driving wheel 25 to rotate, when the first driving wheel 25 rotates, the driving lug 251 is in contact with the second driving wheel 273 to drive the second driving wheel 273 to rotate, the second driving wheel 273 rotates around a connecting point, the fixing rod 271 moves towards the limiting component, the fixing rod 271 penetrates through a chain ring to be matched with the limiting component, the chain is fixed in the first through hole 23, and the connecting plate 2 drives the chain to move upwards and downwards to complete paint dipping operation of the chain; after the chain is placed into the first through hole, the fixed rod automatically moves towards the limiting assembly under the action of the first driving motor to fix the chain, so that the chain is conveniently arranged on the connecting plate; the chain is sequentially placed into the first through hole until the first through hole is filled with the chain, and an operator only needs to place the chain into the first through hole to complete the installation of the chain, so that the assembly difficulty of the chain is reduced; the plurality of chains are fixed through the plurality of first through holes, so that the plurality of chains are subjected to paint dipping treatment simultaneously, and the processing efficiency of the chains is improved; under the mutually supporting of transmission lug and second drive wheel, can control the dead lever of every first through-hole department alone respectively, make the use of connection pad more nimble, can play the fixed action to the chain in the first through-hole of corresponding quantity as required, be convenient for to the dead lever independent control of every first through-hole department, promote the cooperation effect of dead lever and chain.
In order to enable the first driving motor to accurately control the fixed rod at the first through hole, an initial position is selected from a plurality of first through holes in the connecting plate, when the chain is assembled, the chain is firstly placed in the through hole at the initial position, then the chain is placed in the first through hole on the left side or the right side of the initial position according to the rotating direction of the first driving motor, and the chain is placed in the first through holes one by one, so that the first driving motor can conveniently control the fixed rod; the joint of the second driving wheel and the inner wall of the equipment cavity is provided with a torsion spring, so that the first connecting rod can automatically move towards the direction away from the limiting assembly after the fixed rod is not matched with the limiting assembly, and the chain can be conveniently detached from the first through hole.
The limiting assembly comprises a second connecting rod 28 arranged in the mounting cavity 26, a limiting groove 281 arranged on the second connecting rod 28 and a first limiting plate 283 arranged in the limiting groove 281, the fixing rod 271 is matched with the limiting groove 281, a first groove is arranged on the side wall of the limiting groove 281, a limiting spring 282 is arranged in the first groove, a first limiting tooth 284 is arranged on the first limiting plate 283, and a second limiting tooth 272 matched with the first limiting tooth 284 is arranged on the fixing rod 271; a first movable cavity is arranged above the mounting cavity 26, a push plate 24 is arranged in the first movable cavity, a first through groove is formed in the bottom of the first movable cavity, and a protruding block 242 matched with the second connecting rod 28 is arranged at the bottom of the push plate 24; a second groove 29 matched with the second connecting rod 28 is formed in the bottom of the mounting cavity 26, and a supporting spring 285 is arranged in the second groove 29; after one end of the chain enters the first through hole 23, the fixing rod 271 moves towards the limiting component, the fixing rod 271 is inserted into the limiting groove 281, the first limiting tooth 284 is in contact with the second limiting tooth 272, the first limiting tooth 284 pushes the first limiting plate 283 to enter the first groove, the first limiting tooth 284 moves to the other side of the second limiting tooth 272, and the first limiting tooth 284 and the second limiting tooth 272 are mutually matched to fix the chain; after the paint dipping of the chain is finished, the hydraulic cylinder 21 drives the connecting plate 2 to rise, the push plate 24 moves downwards along the first movable cavity, the push block 242 pushes the second connecting rod 28 to move towards the second groove 29, the fixed rod 271 is separated from the limiting groove 281, the fixed rod 271 is separated from the chain ring, the chain is taken out from the first through hole 23, and the chain after the paint dipping is finished is collected; under the action of the push plate, all the second connecting rods can be controlled, so that the first limiting teeth and the second limiting teeth are separated, the fixed rod is separated from the chain ring, the chain is convenient to collect, and the difficulty in collecting the chain is reduced; the chains do not need to be detached from the connecting disc one by one, so that the chain collecting efficiency is improved; under the mutual cooperation of first spacing tooth and second spacing tooth, make the dead lever can only unidirectional motion, change over to the spacing inslot into as the dead lever and be fixed in the spacing inslot promptly, make the fixed operation of dead lever more convenient, it is difficult to reduce the chain assembly.
The push plate is provided with a second through groove 241 matched with the first through hole, so that the first through hole is prevented from being blocked by the push plate; the bottom of the push plate is provided with a return spring 243, the bottom of the return spring is connected with the bottom of the first movable cavity, and under the action of the return spring, the push plate can automatically reset after descending, so that the second connecting rod can be conveniently restored to the original position, and the first limit teeth and the second limit teeth are mutually matched.
The first connecting block is provided with an air pressure cavity 223, the top of the first movable cavity is provided with a plurality of third through grooves communicated with the air pressure cavity, and the air pressure cavity is connected with an air conveying pipe; after the chain dip coating is accomplished, pneumatic cylinder drive connecting plate up moves, and the air-supply pipe is to atmospheric pressure intracavity delivery air, makes the air enter into first activity intracavity, increases the pressure in first activity intracavity, pushes down the push pedal downstream under the atmospheric pressure effect, makes the ejector pad promote the second connecting rod and down moves, provides power for the removal of second connecting rod, makes dead lever and spacing subassembly throw off the cooperation, is convenient for collect the chain.
The dip dyeing machine is characterized in that a supporting seat 3 is arranged on one side of the dip dyeing barrel, a connecting ring 31 is arranged on the supporting seat, an opening is formed in the connecting ring, a plurality of guide assemblies are arranged on the inner wall of the connecting ring, a connecting rope matched with the guide assemblies is arranged in the connecting ring, the connecting rope forms a ring shape in the connecting ring, two ends of the connecting rope are arranged in a crossed mode, namely the left end of the connecting rope is located at the right end of the connecting ring, and the right end of the; the side walls of the two sides of the connecting ring are respectively provided with a second driving motor matched with the connecting rope, and the supporting seat is provided with a third driving motor 34 used for driving the connecting ring to rotate; after the chain dip coating is accomplished, pneumatic cylinder drive connecting plate up moves, the connecting plate drives the chain and moves to the dip dyeing bucket top, the go-between is in the chain around, second drive work will be connected the rope and wind on second driving motor, make the ring that the intra-annular connection rope formed reduce gradually, contact with the chain lateral wall and fix the back with the chain until connecting the rope, the push pedal down moves and pushes the second connecting rod in the second recess, make first spacing tooth and the spacing tooth of second throw off the cooperation, the dead lever is deviate from in the chain link, the chain drops from first through-hole, third driving motor drive go-between rotates, carry the intra-annular chain of link, be convenient for collect the chain.
The guide assembly comprises a connecting spring 331 arranged on the inner wall of the connecting ring and a second connecting block 33 arranged at one end of the connecting spring, a second through hole 332 is arranged on the second connecting block, the connecting rope penetrates through the second through hole, third grooves 312 are respectively arranged at two ends of an opening of the connecting ring, the connecting rope penetrates through the third grooves, the position of the connecting rope is convenient to fix through the third grooves, and the position of the connecting rope is prevented from deviating; the connecting ring is made of plastic; mounting plates 32 are arranged on the side walls of the two sides of the connecting ring, a second driving motor is arranged on the mounting plates, a winding shaft 321 is arranged on an output shaft of the driving motor, and the two ends of the connecting rope are fixedly connected to the winding shaft; after the chain dip coating was accomplished, second driving motor drive spool rotated, made the both ends of connecting the rope around on the spool, shortened the length of connecting the rope, connected the rope and driven the second connecting block and remove, made the coil of connecting the rope formation draw close toward the middle part, all tied up all chains at the middle part of connecting the rope until connecting the rope, played the fixed action to the chain.
A third connecting block 311 is arranged on the side wall of the connecting ring, a connecting pipe 35 is arranged at the bottom of the third connecting block, a third movable cavity matched with the connecting pipe is arranged in the supporting seat, a limiting block is arranged on the side wall of the bottom of the connecting pipe, and an output shaft of a third driving motor penetrates through the connecting pipe; under the mutually supporting of connecting pipe and stopper, play the guard action to third driving motor, avoid third driving motor's output shaft to receive great moment of torsion power to damage, extension third driving motor life.
When the chain is subjected to dip coating treatment, the chain is placed into the first through hole at the initial position, after one end of the chain enters the first through hole, the first driving motor drives the transmission lug to rotate, so that the transmission lug drives the first connecting rod to rotate, the fixed rod is inserted into the limiting groove, the first limiting tooth and the second limiting tooth are matched with each other to fix the fixed rod, and the fixed rod is enabled to fix the chain; then, the chains are arranged into the first through holes one by one along the rotation direction of the driving motor until the chains are arranged in the first through holes, the hydraulic cylinder drives the connecting plate to move downwards, so that the connecting plate drives the chains to move downwards to enter the matched dip-dyeing barrel, the connecting plate rotates in the descending process to drive the chains to rotate in the dip-dyeing barrel, and the painting effect of the chains is improved; when the connecting plate moves to the bottom of the dip dyeing barrel, the connecting plate stays in the dip dyeing barrel for a preset time, then the hydraulic cylinder drives the connecting plate to move upwards to enable the connecting plate to move above the dip dyeing barrel, the second driving motor drives the winding roller to rotate, two ends of the connecting rope are wound on the winding roller to enable the connecting rope to tie the chain tightly, the push plate moves downwards to enable the push block to push the second connecting rod to move downwards, the first limiting teeth and the second limiting teeth are staggered, the fixing rod is separated from the chain ring, the chain falls out of the first through hole, the third driving motor drives the connecting ring to rotate, the connecting ring drives the chain to rotate to one side of the dip dyeing barrel, and the chain is convenient to collect; after the chains on the connecting rings are collected, the connecting rings rotate to the upper side of the dip dyeing barrel again, the second driving motor drives the winding rollers to rotate reversely, the reset of the connecting rings is completed, and the next work of the connecting rings is facilitated.
Claims (7)
1. A chain processing technology is characterized in that: the method comprises the following steps:
a. raw material inspection: selecting alloy steel with austenite grain size of more than six grades, wherein the alloy steel contains Cr, Ni and Mo elements;
b. blanking: cutting off the raw material by adopting a precise bar stock shearing machine and a constraint shearing principle;
c. hot-knitting chain: adopting heating equipment and chaining equipment to work simultaneously, and connecting the interlinkage together to form a chain rudiment;
d. shot blasting: steel shots with required diameters are sprayed on the surfaces of the parts as required to form uniform small pits so as to improve the surface fatigue strength of the chain;
e. welding and deburring: two end faces of a bent metal circular ring are butted into a closed loop by a resistance welding method;
f. and (3) heat treatment: in the heat treatment equipment, various auxiliary media are adopted at high temperature, so that the organization structure of parts is improved, and the performance of various articles is improved;
g. stretching and straightening: the full-automatic stretching program comprises eight parts, namely pull head advancing, fast advancing, slow advancing, pressure maintaining, measuring, fast retreating, slow retreating and pull head retreating, so that the high precision of stretching displacement is ensured;
h. and (4) dipping paint and warehousing: putting the chain into paint dipping equipment, and painting paint on the surface of the chain to prevent the chain from directly contacting with air and water;
wherein the dip coating equipment in the step h comprises a dip dyeing barrel (1) and a connecting plate (2) arranged above the dip dyeing barrel (1), a plurality of first through holes (23) are arranged on the connecting plate (2), an installation cavity (26) is arranged on the connecting plate (2), the first through hole (23) penetrates through the installation cavity (26), a fixing rod (271) matched with the first through hole (23) is arranged in the installation cavity (26), one side of the fixed rod (271) is provided with a limit component matched with the fixed rod (271), the fixed rod (271) and the limiting component are respectively arranged at two sides of the first through hole (23), a first connecting block (22) is arranged at the top of the connecting plate (2), a hydraulic cylinder (21) is arranged above the first connecting block (22), the first connecting block (22) is rotatably connected to a piston rod of the hydraulic cylinder (21); the inner wall of the dip dyeing barrel (1) is provided with a threaded groove, and the side wall of the connecting plate (2) is provided with a threaded convex strip matched with the threaded groove; after the chain is stretched, the chain is conveyed to the position above the connecting plate (2) to be aligned with the first through hole (23), the chain is placed into the first through hole (23), after the end part of the chain moves into the first through hole (23), the fixing rod (271) moves towards the direction of the limiting assembly, the fixing rod (271) penetrates through a chain ring at the end part of the chain to be matched with the limiting assembly, the chain is fixed in the first through hole (23), and the chain is installed on the connecting plate (2); after all being equipped with the chain in every first through-hole (23), pneumatic cylinder (21) drive connecting plate (2) downstream, connecting plate (2) drive chain along dip-dye bucket (1) downstream, the thread groove mutually supports with the screw thread sand grip, make connecting plate (2) rotate at the drop in-process, drive the chain at dip-dye bucket (1) internal rotation, make the chain stir paint, drop to dip-dye bucket (1) bottom after connecting plate (2), pneumatic cylinder (21) drive connecting plate (2) up-lift, accomplish the dip-dye process to the chain.
2. A chain processing process according to claim 1, wherein: and (f) carrying out heat treatment in the step f by adopting a far infrared thermometer to monitor the heat treatment temperature in real time, wherein the temperature measurement range is selected to be between 200 and 1100 ℃ according to the process requirements of the heat treatment of the round-link chain.
3. A chain processing process according to claim 2, wherein: the sensor of the far infrared thermometer is arranged at a position forming an angle of 45 degrees with the plane where the two straight edges of the vertical ring of the chain to be measured are located, and the distance between the sensor and the chain to be measured depends on the diameter of the chain.
4. A chain processing process according to claim 1, wherein: and b, blanking in the step b is required to be vertical, no burr and chamfer are generated, and the length error of the bar is +/-0.5 mm.
5. A chain processing process according to claim 1, wherein: the deburring method in the step e comprises the following steps: and (5) after the welding is finished, and after 2 seconds of pressure maintaining time, rapidly removing burrs by adopting a single cutter.
6. A chain processing process according to claim 1, wherein: an equipment cavity is formed in the connecting block, a first driving motor (222) is arranged in the equipment cavity, an output shaft of the first driving motor (222) penetrates through the installation cavity (26), a first driving wheel (25) is arranged on the output shaft of the first driving motor (222), and a driving lug (251) is arranged on the side wall of the first driving wheel (25); a first connecting rod (27) is arranged in the mounting cavity (26), the fixing rod (271) is arranged on the first connecting rod (27), and one end of the first connecting rod (27) is provided with a second driving wheel (273) matched with the driving lug (251); after the chain is placed into the first through hole (23), the chain is placed downwards along the inner wall of the first through hole (23), the chain is made to move downwards along the first through hole (23) until one end of the chain moves into the first through hole (23), the first driving motor (222) drives the first driving wheel (25) to rotate, when the first driving wheel (25) rotates, the driving lug (251) is in contact with the second driving wheel (273), the second driving wheel (273) is driven to rotate, the second driving wheel (273) rotates around a connecting point, the fixing rod (271) moves towards the limiting component, the fixing rod (271) penetrates through a chain ring to form fit with the limiting component, the chain is fixed in the first through hole (23), and the connecting plate (2) drives the chain to move upwards and downwards to complete paint dipping operation of the chain.
7. A chain processing process according to claim 1, wherein: the limiting assembly comprises a second connecting rod (28) arranged in the mounting cavity (26), a limiting groove (281) arranged on the second connecting rod (28) and a first limiting plate (283) arranged in the limiting groove (281), the fixing rod (271) is matched with the limiting groove (281), a first groove is formed in the side wall of the limiting groove (281), a limiting spring (282) is arranged in the first groove, a first limiting tooth (284) is arranged on the first limiting plate (283), and a second limiting tooth (272) matched with the first limiting tooth (284) is arranged on the fixing rod (271); a first movable cavity is arranged above the mounting cavity (26), a push plate (24) is arranged in the first movable cavity, a first through groove is formed in the bottom of the first movable cavity, and a lug (242) matched with the second connecting rod (28) is arranged at the bottom of the push plate (24); a second groove (29) matched with the second connecting rod (28) is formed in the bottom of the mounting cavity (26), and a supporting spring (285) is arranged in the second groove (29); after one end of the chain enters the first through hole (23), the fixing rod (271) moves towards the limiting assembly, the fixing rod (271) is inserted into the limiting groove (281), the first limiting tooth (284) is contacted with the second limiting tooth (272), the first limiting tooth (284) pushes the first limiting plate (283) to enter the first groove, so that the first limiting tooth (284) moves to the other side of the second limiting tooth (272), and the first limiting tooth (284) and the second limiting tooth (272) are mutually matched to fix the chain; after the chain finishes dipping paint, the hydraulic cylinder (21) drives the connecting plate (2) to rise, the push plate (24) moves downwards along the first movable cavity, the push block (242) pushes the second connecting rod (28) to move towards the second groove (29), the fixing rod (271) is separated from the limiting groove (281), the fixing rod (271) is separated from the chain ring, the chain is taken out from the first through hole (23), and the chain after dipping paint is finished is collected.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010688704.8A CN111906241B (en) | 2019-06-05 | 2019-06-05 | Chain processing technology with uniform painting |
| CN201910486795.4A CN110180989B (en) | 2019-06-05 | 2019-06-05 | Chain machining process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910486795.4A CN110180989B (en) | 2019-06-05 | 2019-06-05 | Chain machining process |
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| CN202010688704.8A Division CN111906241B (en) | 2019-06-05 | 2019-06-05 | Chain processing technology with uniform painting |
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| CN110180989A CN110180989A (en) | 2019-08-30 |
| CN110180989B true CN110180989B (en) | 2020-08-21 |
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| CN202010688704.8A Active CN111906241B (en) | 2019-06-05 | 2019-06-05 | Chain processing technology with uniform painting |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010688704.8A Active CN111906241B (en) | 2019-06-05 | 2019-06-05 | Chain processing technology with uniform painting |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB814096A (en) * | 1956-03-19 | 1959-05-27 | Don Ite Company | Improvements in or relating to method and apparatus for dip coating |
| US3824952A (en) * | 1972-10-05 | 1974-07-23 | Riken Light Metal Ind Co | Finish dip painting device of metal works on mass production basis |
| JPS5544565A (en) * | 1978-09-25 | 1980-03-28 | Hotani:Kk | Chain float lifting apparatus for scale removing liquid vessel of metal plate |
| CN101992175B (en) * | 2010-11-09 | 2016-06-08 | 王钧祥 | The automatic painting production line of recycling excess paint |
| CN102205482B (en) * | 2011-05-13 | 2013-06-12 | 山东良达发兴圆环链有限公司 | Method for producing round-link chain |
| CN203711748U (en) * | 2013-11-29 | 2014-07-16 | 湖州科尼物流设备有限公司 | Chain oiling system |
| CN206560957U (en) * | 2017-02-28 | 2017-10-17 | 桂盟链条（太仓）有限公司 | A kind of chain automatic oil immersing device |
| CN208757924U (en) * | 2018-08-06 | 2019-04-19 | 天津永旭鑫源金属制品有限公司 | Dip painting installation is used in a kind of production of chain |
| CN108817308A (en) * | 2018-08-07 | 2018-11-16 | 浙江德立坤链传动有限公司 | One kind oils uniform chain oiling device |
| CN108746471A (en) * | 2018-08-07 | 2018-11-06 | 浙江德立坤链传动有限公司 | A kind of chain oiling device with de-oiling function |
-
2019
- 2019-06-05 CN CN201910486795.4A patent/CN110180989B/en active Active
- 2019-06-05 CN CN202010688704.8A patent/CN111906241B/en active Active
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| CN110180989A (en) | 2019-08-30 |
| CN111906241A (en) | 2020-11-10 |
| CN111906241B (en) | 2022-07-08 |
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Effective date of registration: 20200803 Address after: 301500 west of Liujing road and north of Shuichang Road, Panzhuang Industrial Zone, Ninghe District, Tianjin Applicant after: TIANJIN FUXINGDA CHAIN Co.,Ltd. Address before: 313300 Tianzihu Modern Industrial Park, Gaoyu Town, Anji County, Huzhou City, Zhejiang Province Applicant before: ZHEJIANG ANJI CHANGHONG CHAIN MANUFACTURING Co.,Ltd. |