CN110142376B - Chain machining process - Google Patents
Chain machining process Download PDFInfo
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- CN110142376B CN110142376B CN201910420194.3A CN201910420194A CN110142376B CN 110142376 B CN110142376 B CN 110142376B CN 201910420194 A CN201910420194 A CN 201910420194A CN 110142376 B CN110142376 B CN 110142376B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L1/00—Making chains or chain links by bending workpieces of rod, wire, or strip to form links of oval or other simple shape
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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. welding and deburring: two end faces of a bent metal circular ring are butted into a closed loop by a resistance welding method, and then the formed chain is placed into a deburring device to remove welding slag of a welding point, so that the surface of the chain is smoother; e. 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; f. 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; g. surface treatment: a series of processing treatments are carried out on the surface of the chain, so that a protective film is formed on the surface of the chain, and the chain is protected.
Description
Technical Field
The invention belongs to the technical field of chain processing, 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.
The trailer chain is a chain for traction, a front vehicle pulls a rear vehicle to move, and the processing and production requirements of the trailer chain are higher because the strength of the trailer chain is higher due to the heavier weight of a general vehicle body; the chain is subjected to operations of braiding, welding and deburring during manufacturing, the conventional deburring process is carried out separately for each chain link, and welding slag on each chain link is removed one by one, although the purpose of removing the welding slag on the chain link can be achieved, the processing efficiency of the chain is reduced due to single processing operation, and the production requirement cannot be met.
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 to form a chain prototype;
d. welding and deburring: two end faces of a bent metal circular ring are butted into a closed loop by a resistance welding method, and then the formed chain is placed into a deburring device to remove welding slag of a welding point, so that the surface of the chain is smoother;
e. 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;
f. 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;
g. surface treatment: carrying out a series of processing treatments on the surface of the chain to form a protective film on the surface of the chain so as to protect the chain;
the deburring device in the welding deburring process comprises a base, a first conveying wheel and a second conveying wheel which are arranged on the base, and a scraper assembly arranged on the base; the base is provided with a first groove and a second groove, the first groove and the second groove are respectively arranged on two sides of the base, the first transmission wheel is arranged in the first groove, the second transmission wheel is arranged in the second groove, a third groove is arranged between the first groove and the second groove, the scraper component is arranged in the third groove, the inner wall of the first groove is provided with a first limiting component matched with the first transmission wheel, the inner wall of the second groove is provided with a second limiting component matched with the second transmission wheel, a slide rail is arranged in the third groove, and the scraper component can move along the slide rail; after the chain ring after the hot knitting is welded, welding the two ends of the opening of the chain ring together, putting the chain into the first groove, pulling the chain to enable one end of the chain to enter the second groove, and enabling the first conveying wheel and the second conveying wheel to be respectively contacted with the chain to drive the chain to move forwards so as to enable the middle part of the chain to be suspended in the third groove; when a new section of chain moves into the third groove, the first limiting assembly is matched with the first conveying wheel, the second limiting assembly is matched with the second conveying wheel, the first conveying wheel and the second conveying wheel cannot rotate towards the direction of the third groove, the chain is fixed, the scraper assembly moves along the sliding rail, the scraper assembly contacts with the side wall of the chain when moving, welding slag on the side wall of the chain is scraped, when the scraper assembly moves from one end of the sliding rail to the other end, the first limiting assembly is disengaged from the first conveying wheel, the second limiting assembly is disengaged from the second conveying wheel, the first conveying wheel and the second conveying wheel drive the chain to continue to move, and the processed chain is transmitted from the base.
After an unprocessed section of the chain moves into the third groove, the first conveying wheel and the second conveying wheel are limited under the action of the first limiting assembly and the second limiting assembly, so that the first conveying wheel and the second conveying wheel cannot rotate in the third groove, the chain is always in a straightening state, the scraper assembly is better contacted with the side wall of the chain when moving, and welding slag on the side wall of the chain is scraped; under the cooperation of the third groove and the scraper component, a section of longer chain can be synchronously subjected to deburring treatment, the treatment efficiency of the chain is improved, and the yield of the chain is increased; arrange the chain in first recess and second recess, transport the chain through first transfer gear and second transfer gear, play limiting displacement to the chain on left and right sides direction, make the unable skew of chain, the cutter of being convenient for strikes off the welding slag on chain link surface, promotes the chain and removes thorn effect.
The surface treatment comprises the operations of blackening, bluing, shot blasting, phosphorization, nickel plating, zinc plating, oiling and greasing; through a series of surface treatment to the chain, form the protection film on the chain surface, play the guard action to the chain, avoid the chain directly to damage with air and water contact postback, extension chain life.
The phosphorization operation comprises the following steps: the parts are immersed in the phosphating solution, so that a phosphating layer is formed on the surfaces of the parts, the surface colors of the parts are black or gray, the attractiveness of the chain is improved, and the purpose of corrosion prevention is achieved.
The nickel plating operation is as follows: the method of electroplating or chemical nickel plating is adopted to form a nickel plating layer on the surface of the part, and the nickel plating layer can not only beautify the chain, but also prevent corrosion.
The galvanizing operation is as follows: by adopting an electroplating or chemical galvanizing method, a zinc coating is formed on the surface of the part, and the zinc coating can not only beautify the chain, but also prevent corrosion.
A first movable cavity is formed in the inner wall of the first groove, a first connecting shaft is arranged on the side wall of the first transmission wheel and penetrates through the first movable cavity, a first transmission wheel is arranged at one end of the first connecting shaft, a plurality of first through holes are formed in the first transmission wheel, a second movable cavity is formed in the side wall of the first movable cavity, the first limiting assembly comprises a limiting rod and a first limiting spring, the limiting rod is arranged in the second movable cavity, the first limiting spring is arranged at one end of the limiting rod, a cavity is formed in one side of the second movable cavity, an electromagnet is arranged in the cavity, and the limiting rod is made of a magnetic material; after the chain is placed into the base, the chain is matched with the first conveying wheel and the second conveying wheel, the first conveying wheel drives the chain to move towards the third groove, when an unprocessed chain enters the third groove, the electromagnet is electrified, the electromagnet generates magnetic force repelling with the limiting rod, the electromagnet pushes the limiting rod to enter the first through hole, the limiting rod is inserted into the first through hole, the first conveying wheel cannot rotate, the scraper component cannot drive the chain to move when moving, and processing of the chain is completed; when the first transmission wheel drives the chain to move in the first groove, the limiting rod is placed in the second movable cavity under the action of the first limiting spring, so that the first transmission wheel normally rotates; when the scraper component moves along the sliding rail to treat the surface of the chain, the limiting rod enters the first through hole under the action of magnetic force, and the first conveying wheel is braked under the action of the limiting rod, so that the first conveying wheel cannot rotate, the scraper component is prevented from driving the chain to move when moving along the chain, the cutter is enabled to be in contact with the surface of the chain better, welding slag on the surface of the chain is effectively scraped, and the treatment effect on the chain is improved; under the cooperation of electro-magnet and gag lever post, be convenient for control the gag lever post, make the gag lever post play limiting displacement to first transfer gear as required to handle the chain condition.
A third movable cavity is formed in the inner wall of the second groove, a second connecting shaft is arranged on the side wall of the second conveying wheel and penetrates through the third movable cavity, a second driving wheel is arranged at one end of the second connecting shaft, a fourth movable cavity is arranged at the bottom of the third movable cavity, the second limiting assembly comprises a guide rod arranged on the inner wall of the fourth movable cavity, a connecting plate arranged on the guide rod and a lug arranged on the connecting plate, a plurality of first limiting blocks matched with the lug are arranged on the side wall of the second driving wheel, one side of the lug is of an arc-surface structure, a movable groove is formed in the inner wall of the fourth movable cavity, a connecting block is rotatably connected in the movable groove, the guide rod is arranged on the connecting block, and an elastic supporting frame matched with the connecting plate is arranged at the bottom of the fourth movable cavity; when the second conveying wheel rotates to drive the chain to move in the second groove, the first limiting block is in contact with the cambered surface of the lug, the first limiting block pushes the lug to move downwards, the connecting plate presses the elastic support frame downwards, and the first limiting block passes through the upper part of the lug to enable the second conveying wheel to normally rotate; when the scraper component moves along the slide rail, the chain pulls the second conveying wheel to rotate towards the third groove, the first limiting block is contacted with one side of the convex block non-arc surface structure, the second conveying wheel is fixed, and the scraper component moves along the surface of the chain to scrape off welding slag on the surface of the chain; under the mutually supporting of lug and first stopper, make the second transfer gear can only rotate toward a direction, realize the unidirectional rotation of second transfer gear, make the second transfer gear can only drive the chain toward base one side motion, the chain can't drive the second transfer gear toward third recess direction rotation, straighten the chain in the third recess, make the chain lateral wall form good cooperation with scraper component, promote the treatment effect to the chain.
The invention has the following advantages: under the cooperation of third recess and scraper subassembly, can be synchronous do to one section longer chain and remove the thorn and handle, promote the treatment effeciency to the chain, increase chain output.
Drawings
FIG. 1 is a schematic structural view of the deburring device of the present invention.
FIG. 2 is a first cross-sectional view of the deburring device of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
FIG. 4 is a schematic cross-sectional view of a second embodiment of the deburring apparatus of the present invention.
Fig. 5 is an enlarged view of fig. 4 at B.
FIG. 6 is a third schematic cross-sectional view of the deburring device of the present invention.
Fig. 7 is an enlarged view of fig. 6 at C.
FIG. 8 is a fourth schematic cross-sectional view of the deburring device of the present invention.
FIG. 9 is a schematic cross-sectional view of a deburring device of the present invention.
Fig. 10 is an enlarged view of fig. 9 at D.
FIG. 11 is a schematic cross-sectional view of a sixth embodiment of the deburring apparatus of the present invention.
Fig. 12 is an enlarged view of fig. 11 at E.
FIG. 13 is a schematic cross-sectional view of a deburring device of the present invention.
Fig. 14 is an enlarged view of fig. 13 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 to form a chain prototype; d. welding and deburring: two end faces of a bent metal circular ring are butted into a closed loop by a resistance welding method, and then the formed chain is placed into a deburring device to remove welding slag of a welding point, so that the surface of the chain is smoother; e. 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; f. 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; g. surface treatment: carrying out a series of processing treatments on the surface of the chain to form a protective film on the surface of the chain so as to protect the chain; the surface treatment comprises the operations of blackening, bluing, shot blasting, phosphorization, nickel plating, zinc plating, oiling and greasing; the phosphorization operation comprises the following steps: the part is immersed in the phosphating solution, so that a phosphating layer is formed on the surface of the part, the surface color of the part is black or gray, the attractiveness of the chain is improved, and the purpose of corrosion prevention is achieved; the nickel plating operation is as follows: a nickel plating layer is formed on the surface of the part by adopting an electroplating or chemical nickel plating method, and the nickel plating layer can not only beautify the chain, but also prevent corrosion; the galvanizing operation is as follows: by adopting an electroplating or chemical galvanizing method, a zinc coating is formed on the surface of the part, and the zinc coating can not only beautify the chain, but also prevent corrosion.
As shown in fig. 1-14, the deburring device in welding deburring comprises a base 1, a first conveying wheel 3 and a second conveying wheel 4 which are arranged on the base 1, and a scraper component which is arranged on the base 1; a first groove and a second groove are formed in the base 1, the first groove and the second groove are respectively formed in two sides of the base 1, the first conveying wheel 3 is arranged in the first groove, the second conveying wheel 4 is arranged in the second groove, a third groove is formed between the first groove and the second groove, the scraper assembly is arranged in the third groove, a first limiting assembly matched with the first conveying wheel 3 is arranged on the inner wall of the first groove, a second limiting assembly matched with the second conveying wheel 4 is arranged on the inner wall of the second groove, a sliding rail 2 is arranged in the third groove, and the scraper assembly can move along the sliding rail 2; after the chain ring after the hot knitting is welded, welding the two ends of the opening of the chain ring together, putting the chain into the first groove, pulling the chain to enable one end of the chain to enter the second groove, and enabling the first conveying wheel 3 and the second conveying wheel 4 to be respectively contacted with the chain to drive the chain to move forwards so as to enable the middle part of the chain to be suspended in the third groove; when a new section of chain moves into the third groove, the first limiting assembly is matched with the first transmission wheel 3, the second limiting assembly is matched with the second transmission wheel 4, the first transmission wheel 3 and the second transmission wheel 4 cannot rotate towards the direction of the third groove to fix the chain, the scraper assembly moves along the sliding rail 2, the scraper assembly contacts with the side wall of the chain when moving to scrape welding slag on the side wall of the chain, when the scraper assembly moves from one end of the sliding rail 2 to the other end, the first limiting assembly is disengaged from the first transmission wheel 3, the second limiting assembly is disengaged from the second transmission wheel 4, the first transmission wheel 3 and the second transmission wheel 4 drive the chain to continue to move, and the processed chain is transmitted from the base 1.
After an unprocessed section of the chain moves into the third groove, the first conveying wheel and the second conveying wheel are limited under the action of the first limiting assembly and the second limiting assembly, so that the first conveying wheel and the second conveying wheel cannot rotate in the third groove, the chain is always in a straightening state, the scraper assembly is better contacted with the side wall of the chain when moving, and welding slag on the side wall of the chain is scraped; under the cooperation of the third groove and the scraper component, a section of longer chain can be synchronously subjected to deburring treatment, the treatment efficiency of the chain is improved, and the yield of the chain is increased; arrange the chain in first recess and second recess, transport the chain through first transfer gear and second transfer gear, play limiting displacement to the chain on left and right sides direction, make the unable skew of chain, the cutter of being convenient for strikes off the welding slag on chain link surface, promotes the chain and removes thorn effect.
The base top is equipped with first driving motor and second driving motor, and first driving motor cooperatees with first transfer gear, and second driving motor cooperatees with the second transfer gear, and first driving motor and second driving motor provide power for the rotation of first transfer gear and second transfer gear, make first transfer gear and second transfer gear drive the chain and carry out the transmission on the base, are convenient for handle the deburring of chain.
A first movable cavity is formed in the inner wall of the first groove, a first connecting shaft is arranged on the side wall of the first transmission wheel 3 and penetrates through the first movable cavity, a first transmission wheel 31 is arranged at one end of the first connecting shaft, a plurality of first through holes 32 are formed in the first transmission wheel 31, a second movable cavity is formed in the side wall of the first movable cavity, the first limiting assembly comprises a limiting rod 19 arranged in the second movable cavity and a first limiting spring 191 arranged at one end of the limiting rod 19, a cavity is formed in one side of the second movable cavity, an electromagnet 110 is arranged in the cavity, and the limiting rod 19 is made of a magnetic material; after the chain is placed into the base 1, the chain is matched with the first transmission wheel 3 and the second transmission wheel 4, the first transmission wheel 3 drives the chain to move towards the third groove, when an unprocessed chain section enters the third groove, the electromagnet 110 is electrified, the electromagnet 110 generates magnetic force repelling with the limiting rod 19, the electromagnet 110 pushes the limiting rod 19 to enter the first through hole 32, the limiting rod 19 is inserted into the first through hole 32, the first transmission wheel 31 cannot rotate, the scraper component cannot drive the chain to move when moving, and the processing of the chain is completed; when the first transmission wheel drives the chain to move in the first groove, the limiting rod is placed in the second movable cavity under the action of the first limiting spring, so that the first transmission wheel normally rotates; when the scraper component moves along the sliding rail to treat the surface of the chain, the limiting rod enters the first through hole under the action of magnetic force, and the first conveying wheel is braked under the action of the limiting rod, so that the first conveying wheel cannot rotate, the scraper component is prevented from driving the chain to move when moving along the chain, the cutter is enabled to be in contact with the surface of the chain better, welding slag on the surface of the chain is effectively scraped, and the treatment effect on the chain is improved; under the cooperation of electro-magnet and gag lever post, be convenient for control the gag lever post, make the gag lever post play limiting displacement to first transfer gear as required to handle the chain condition.
An equipment cavity is formed in one side of the cavity, a fifth movable cavity 18 is formed in one side of the equipment cavity, a third driving motor 16 is arranged in the equipment cavity, a rotating wheel 161 is arranged on an output shaft of the third driving motor, a convex disc 162 is arranged on the side wall of the rotating wheel, the convex disc is of a semicircular structure, the rotating wheel is arranged in the fifth movable cavity, a first push plate 17 is arranged at the bottom of the fifth movable cavity, a supporting spring 171 is arranged at the bottom of the first push plate, and the first push plate is connected with a switch of an electromagnet; when the first conveying wheel and the second conveying wheel transport the chain, the third driving motor drives the rotating wheel to rotate, the rotating wheel drives the convex disc to rotate, the convex disc is in contact with the first push plate, the first push plate is pushed to move downwards under the action of the convex disc, the first push plate compresses the supporting spring to move downwards, the first push plate is enabled to touch the electromagnet switch, the electromagnet is powered on after the electromagnet switch is contacted, and therefore the electromagnet generates magnetic force to push the limiting rod into the first through hole, and the limiting effect is achieved on the first conveying wheel; when the limiting rod is inserted into the first through hole, the first driving motor stops working, and the first driving motor is prevented from being damaged by the limiting rod; under the mutual cooperation of the third driving motor and the convex disc, the on-off of the electromagnet is controlled in a timing mode, so that the chain can stop after advancing for a certain distance, the surface of the whole chain is treated, and dead angles of the surface of the chain are avoided.
A third movable cavity 14 is arranged on the inner wall of the second groove, a second connecting shaft is arranged on the side wall of the second conveying wheel 4, the second connecting shaft is arranged in the third movable cavity 14 in a penetrating way, one end of the second connecting shaft is provided with a second driving wheel 41, the bottom of the third movable cavity 14 is provided with a fourth movable cavity 15, the second limiting component comprises a guide rod 155 arranged on the inner wall of the fourth movable cavity 15, a connecting plate 151 arranged on the guide rod 155 and a lug 153 arranged on the connecting plate 151, a plurality of first limit blocks 42 matched with the convex blocks 153 are arranged on the side wall of the second driving wheel 41, one side of the bump 153 is of a cambered surface structure, the inner wall of the fourth movable cavity 15 is provided with a movable groove, the movable groove is rotatably connected with a connecting block 154, the guide rod 155 is arranged on the connecting block 154, the bottom of the fourth movable cavity 15 is provided with an elastic supporting frame 157 matched with the connecting plate 151; when the second transmission wheel 4 rotates to drive the chain to move in the second groove, the first limiting block 42 contacts with the arc surface of the convex block 153, the first limiting block 42 pushes the convex block 153 to move downwards, so that the connecting plate 151 presses the elastic support frame 157 downwards, and the first limiting block 42 passes over the convex block 153, so that the second transmission wheel 4 rotates normally; when the scraper component moves along the slide rail 2, the chain pulls the second conveying wheel 4 to rotate towards the third groove, the first limiting block 42 is contacted with one side of the convex block 153 with a non-arc surface structure, the second conveying wheel 4 is fixed, and the scraper component moves along the surface of the chain to scrape off welding slag on the surface of the chain; under the mutually supporting of lug and first stopper, make the second transfer gear can only rotate toward a direction, realize the unidirectional rotation of second transfer gear, make the second transfer gear can only drive the chain toward base one side motion, the chain can't drive the second transfer gear toward third recess direction rotation, straighten the chain in the third recess, make the chain lateral wall form good cooperation with scraper component, promote the treatment effect to the chain.
The elastic supporting frame is made of metal sheets, and is obtained by bending one metal sheet from the middle part; a sixth movable cavity 1511 is arranged on the connecting plate, the guide rod penetrates through the sixth movable cavity, a second limiting block 1551 is arranged at one end of the guide rod and is arranged in the sixth movable cavity, a second limiting spring 156 is arranged on the side wall of the connecting plate, and one end of the second limiting spring is connected with the connecting block; the other end of the fourth movable cavity is also provided with a connecting frame 152, and the connecting frame is matched with the connecting plate; when the second conveying wheel rotates towards the outer side of the third groove, the first limiting block is in contact with one side of the cambered surface of the lug to push the lug to move downwards, so that the connecting block rotates around the connecting point, and the second conveying wheel rotates normally; when the chain is used for deburring, the second driving motor does not work, the scraper component is contacted with the chain, the chain is pulled to move towards the inside of the third groove, the second conveying wheel tends to rotate towards the inside of the third groove, the first limiting block is contacted with the side wall of the other side of the lug, the first limiting block pushes the lug to move, the lug drives the connecting plate to move towards the inside of the connecting frame, the connecting plate enters the connecting frame to be contacted with the inner wall of the connecting frame, the connecting plate cannot move downwards, the second limiting block is contacted with the inner wall of the sixth movable cavity, and the connecting plate cannot move forwards continuously, thereby play limiting displacement to the connecting plate, make the connecting plate can't press the elastic support frame and advance the upset to make the lug play the effect of blockking to first stopper, make the unable rotation of second transfer gear, avoid the chain to draw in the chain in the third recess influence the deburring of chain when cooperating with the scraper subassembly.
A first sliding groove and a second sliding groove 13 are respectively arranged on the inner walls of two sides of the third groove, a first sliding block matched with the first sliding groove and a second sliding block 24 matched with the second sliding groove are respectively arranged on the side walls of two sides of the sliding rail, a mounting plate 11 is arranged on the side wall of the base, a first air cylinder 12 is arranged on the mounting plate, a second push plate 121 is arranged on a piston rod of the first air cylinder, first push blocks are arranged at two ends of the side wall of the second push plate, a first through groove communicated with the second sliding groove is arranged on the side wall of the base, one first push block on the second push plate is arranged in the first through groove in a penetrating mode and is contacted with the second sliding block, and the other first push block on the second push plate is contacted with; arc-shaped grooves are formed in the side walls of the sliding rails, the two groups of sliding rails are respectively arranged on two sides of the third groove, and the two groups of corresponding scraper assemblies are respectively arranged on two sides of the third groove; after the chain is carried to in the third recess, first cylinder drive piston rod stretches out, makes first cylinder promote the slide rail and draws close toward the third recess centre, and two sets of slide rails contact each other, wraps up the chain between two sets of scraper subassemblies, and the slide rail plays the fixed action to the chain, makes the scraper subassembly better contact with the chain lateral wall, gets rid of the welding slag on chain surface, promotes the treatment effect to the chain.
The scraper component comprises a knife rest 21 and a scraper arranged on the knife rest, the shape of the knife rest is the same as that of an arc-shaped groove on the sliding rail, a second air cylinder 25 is arranged in a second sliding block, a piston rod of the second air cylinder is connected with the knife rest, a switch of the second air cylinder is arranged on the two groups of sliding rails, and when the two groups of sliding rails are contacted with each other, the second air cylinder works to push the knife rest to move along the sliding rails; the side wall of the knife rest is provided with a sliding block, the inner wall of the arc-shaped groove is provided with a sliding groove 22 matched with the sliding block, and the knife rest is more stable in moving under the mutual matching of the sliding block and the sliding groove 22; when a section of unprocessed chain moves into the third groove, the first air cylinder pushes the sliding rails to move towards the third groove, so that the two groups of sliding rails are in contact, the switch of the second air cylinder is switched on after the two groups of sliding rails are in contact, the second air cylinder pushes the tool rest to move along the sliding rails, the scraper is in contact with the side wall of the chain, and welding slag on the surface of the chain is removed.
A second through groove 23 matched with the tool rest is formed in one end of the sliding rail, a second through hole is formed in the tool rest, a second air cylinder piston rod penetrates through the second through hole, a first fixing plate 251 and a second fixing plate 252 are arranged on the second air cylinder piston rod, the first fixing plate is fixedly connected to the second air cylinder piston rod, the second fixing plate is connected to the second air cylinder piston rod through threads, a third through groove is formed in the side wall of the sliding rail, the third through groove is formed in the side wall of the second through groove, the width of the third through groove is larger than the thickness of the second fixing plate, and the second fixing plate can be conveniently installed from the third; when the scraper component is installed, the knife rest is placed into the second through groove, the sliding block is matched with the sliding groove 22, the knife rest is pushed along the second through groove, the second cylinder piston rod penetrates into the second through hole until the knife rest side wall is contacted with the first fixing plate, the second fixing plate is placed into the third through groove, the second fixing plate is sleeved on the second cylinder piston rod, the second fixing plate is rotated, the second fixing plate is fixedly connected onto the second cylinder piston rod under the matching of threads, the second fixing plate side wall is contacted with the knife rest side wall, the knife rest is fixed onto the second cylinder piston rod, and the scraper component is installed.
A material receiving box 5 is arranged at the bottom of the third groove, a baffle matched with the material receiving box is arranged on the side wall of the third groove, and a second push block is arranged on the side wall of the material receiving box, so that the material receiving box can be pulled to move conveniently; after the scraper component scrapes off the welding slag on the surface of the chain, the welding slag drops downwards to the material receiving box, the welding slag is collected through the material receiving box, and the scraped welding slag is convenient to be uniformly processed.
When the chain is processed, the chain is placed into a first groove and a second groove, a first transmission wheel and a second transmission wheel are in contact with the chain, the first transmission wheel and the second transmission wheel are driven by a first driving motor and a second driving motor to rotate, the first transmission wheel and the second transmission wheel drive the chain to move, one section of the chain is placed into a third groove, a convex disc is driven by the third driving motor to push a first push plate to move downwards, an electromagnet generates magnetic force after being electrified, a limiting rod is pushed into a first through hole, the first driving motor and the second driving motor stop working, the chain is fixed into the third groove, a first air cylinder pushes sliding rails to move towards the middle of the third groove, the two groups of sliding rails are close to each other, and the chain is wrapped by the two groups of sliding rails to play a role in fixing the chain; after the two groups of sliding rails are contacted, a switch of a second cylinder is connected, the second cylinder drives a piston rod to extend out, so that a scraper moves along the sliding rails to scrape off welding slag on the surface of the chain; when the scraper moves to the other end of the sliding rail, the first cylinder drives the sliding rail to separate, the convex disc rotates away from the first push plate, the electromagnet is powered off and loses magnetic force, the first limiting spring pulls the limiting rod to enter the second movable cavity, the first driving motor and the second driving motor work again to drive the chain to move forwards continuously until a new section of unprocessed chain moves into the third groove, the actions are repeated, and the second cylinder drives the piston rod to move backwards to drive the scraper to move towards the second cylinder, so that welding slag on the surface of the chain is scraped; the welding slag on the surface of the chain is cleaned through the back-and-forth movement of the scraper, so that the scraper does not need to reset after each time of working is finished, the use of equipment is facilitated, and the processing efficiency of the chain is improved; the welding slag after scraping drops in the material receiving box, collects the welding slag, and the chain is worn out from the base along with first transfer gear and second transfer gear together motion, is convenient for do processing on next step to the chain.
Claims (6)
1. A chain processing technology is characterized in that: the method comprises the following steps:
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;
blanking: cutting off the raw material by adopting a precise bar stock shearing machine and a constraint shearing principle;
hot-knitting chain: adopting heating equipment and chaining equipment to work simultaneously to form a chain prototype;
welding and deburring: two end faces of a bent metal circular ring are butted into a closed loop by a resistance welding method, and then the formed chain is placed into a deburring device to remove welding slag of a welding point, so that the surface of the chain is smoother;
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;
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;
surface treatment: carrying out a series of processing treatments on the surface of the chain to form a protective film on the surface of the chain so as to protect the chain;
the deburring device in the welding deburring comprises a base (1), a first conveying wheel (3) and a second conveying wheel (4) which are arranged on the base (1), and a scraper component arranged on the base (1); a first groove and a second groove are formed in the base (1), the first groove and the second groove are respectively formed in two sides of the base (1), the first transmission wheel (3) is arranged in the first groove, the second transmission wheel (4) is arranged in the second groove, a third groove is formed between the first groove and the second groove, the scraper component is arranged in the third groove, a first limiting component matched with the first transmission wheel (3) is arranged on the inner wall of the first groove, a second limiting component matched with the second transmission wheel (4) is arranged on the inner wall of the second groove, a sliding rail (2) is arranged in the third groove, and the scraper component can move along the sliding rail (2); after the chain ring after the hot knitting is welded, welding the two ends of the opening of the chain ring together, putting the chain into the first groove, pulling the chain to enable one end of the chain to enter the second groove, and enabling the first conveying wheel (3) and the second conveying wheel (4) to be respectively contacted with the chain to drive the chain to move forwards so as to enable the middle part of the chain to be suspended in the third groove; when a new section of chain moves into the third groove, the first limiting assembly is matched with the first conveying wheel (3), the second limiting assembly is matched with the second conveying wheel (4), the first conveying wheel (3) and the second conveying wheel (4) cannot rotate towards the direction of the third groove, the chain is fixed, the scraper assembly moves along the sliding rail (2), the scraper assembly is contacted with the side wall of the chain when moving and scrapes welding slag on the side wall of the chain, when the scraper assembly moves from one end of the sliding rail (2) to the other end, the first limiting assembly is disengaged from the first conveying wheel (3), the second limiting assembly is disengaged from the second conveying wheel (4), the first conveying wheel (3) and the second conveying wheel (4) drive the chain to continue to move, and the processed chain is transferred out of the base (1);
a first movable cavity is formed in the inner wall of the first groove, a first connecting shaft is arranged on the side wall of the first transmission wheel (3), the first connecting shaft penetrates through the first movable cavity, a first transmission wheel (31) is arranged at one end of the first connecting shaft, a plurality of first through holes (32) are formed in the first transmission wheel (31), a second movable cavity is formed in the side wall of the first movable cavity, the first limiting component comprises a limiting rod (19) arranged in the second movable cavity and a first limiting spring (191) arranged at one end of the limiting rod (19), a cavity is formed in one side of the second movable cavity, an electromagnet (110) is arranged in the cavity, and the limiting rod (19) is made of a magnetic material; after the chain is put into base (1), the chain forms the cooperation with first transfer gear (3) and second transfer gear (4), first transfer gear (3) drive the chain toward the third recess internal motion, after a section of chain that does not handle enters into the third recess in, electro-magnet (110) circular telegram, make electro-magnet (110) produce the magnetic force that repels with gag lever post (19), electro-magnet (110) promote gag lever post (19) and enter into first through-hole (32), gag lever post (19) insert make first transfer gear (31) unable rotation in first through-hole (32), make scraper component unable drive chain removal when removing, accomplish the processing of chain.
2. A chain processing process according to claim 1, wherein: the surface treatment comprises the operations of blackening, bluing, shot blasting, phosphorization, nickel plating, zinc plating, oiling and greasing.
3. A chain processing process according to claim 2, wherein: the phosphorization operation comprises the following steps: the parts are immersed in the phosphating solution, so that a phosphating layer is formed on the surfaces of the parts, the surface colors of the parts are black or gray, the attractiveness of the chain is improved, and the purpose of corrosion prevention is achieved.
4. A chain processing process according to claim 2, wherein: the nickel plating operation is as follows: the method of electroplating or chemical nickel plating is adopted to form a nickel plating layer on the surface of the part, and the nickel plating layer can not only beautify the chain, but also prevent corrosion.
5. A chain processing process according to claim 2, wherein: the galvanizing operation is as follows: by adopting an electroplating or chemical galvanizing method, a zinc coating is formed on the surface of the part, and the zinc coating can not only beautify the chain, but also prevent corrosion.
6. A chain processing process according to claim 1, wherein: a third movable cavity (14) is arranged on the inner wall of the second groove, a second connecting shaft is arranged on the side wall of the second conveying wheel (4), the second connecting shaft penetrates through the third movable cavity (14), a second driving wheel (41) is arranged at one end of the second connecting shaft, a fourth movable cavity (15) is arranged at the bottom of the third movable cavity (14), the second limiting component comprises a guide rod (155) arranged on the inner wall of the fourth movable cavity (15), a connecting plate (151) arranged on the guide rod (155) and a convex block (153) arranged on the connecting plate (151), a plurality of first limiting blocks (42) matched with the convex block (153) are arranged on the side wall of the second driving wheel (41), one side of the convex block (153) is of an arc surface structure, a movable groove is arranged on the inner wall of the fourth movable cavity (15), and a connecting block (154) is rotatably connected in the movable groove, the guide rod (155) is arranged on the connecting block (154), and the bottom of the fourth movable cavity (15) is provided with an elastic support frame (157) matched with the connecting plate (151); when the second conveying wheel (4) rotates to drive the chain to move in the second groove, the first limiting block (42) is in contact with the arc surface of the convex block (153), the first limiting block (42) pushes the convex block (153) to move downwards, so that the connecting plate (151) presses the elastic supporting frame (157) downwards, and the first limiting block (42) passes through the upper part of the convex block (153), so that the second conveying wheel (4) normally rotates; when the scraper component moves along the sliding rail (2), the chain pulls the second conveying wheel (4) to rotate towards the third groove, the first limiting block (42) is contacted with one side of the convex block (153) which is not in the arc surface structure, the second conveying wheel (4) is fixed, and the scraper component moves along the surface of the chain to scrape off welding slag on the surface of the chain.
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| CN201910420194.3A CN110142376B (en) | 2019-05-20 | 2019-05-20 | Chain machining process |
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| CN201910420194.3A CN110142376B (en) | 2019-05-20 | 2019-05-20 | Chain machining process |
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| CN110142376B true CN110142376B (en) | 2021-05-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111673199B (en) * | 2019-10-10 | 2021-08-27 | 浦江恒全五金制品有限公司 | Higher trailer chain of work efficiency removes welding slag equipment |
| CN112008133B (en) * | 2020-08-24 | 2022-10-28 | 安徽瑞邦电池有限公司 | Make things convenient for shearing mechanism of chain butt joint |
| CN112045241B (en) * | 2020-08-24 | 2022-10-28 | 安徽瑞邦电池有限公司 | Auxiliary device for chain installation |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SE321202B (en) * | 1967-05-10 | 1970-03-02 | Elektriska Svetsnings Ab | |
| FR2036244A5 (en) * | 1969-03-10 | 1970-12-24 | Poirier Fils Et Cie | Pneumatic small chain welding machine |
| CN1057020A (en) * | 1990-06-05 | 1991-12-18 | 镇江锚链厂 | Welded chain ring deburring machine |
| CN1218797C (en) * | 2001-06-29 | 2005-09-14 | 宣碧华 | Method for manufacturing chain |
| 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 |
| CN202639540U (en) * | 2012-07-13 | 2013-01-02 | 马锡文 | Chain burr removing machine tool |
| CN203221291U (en) * | 2013-04-22 | 2013-10-02 | 安吉长虹制链有限公司 | Chain conveying device in chain welding |
| CN103302229B (en) * | 2013-05-17 | 2015-09-02 | 中煤张家口煤矿机械有限责任公司 | A kind of structural design of round-link chain deburrer |
| CN107932234A (en) * | 2017-11-28 | 2018-04-20 | 绩溪山合机械有限公司 | A kind of reciprocating chain burring mechanism |
| CN208577786U (en) * | 2018-06-07 | 2019-03-05 | 浙江双鸟锚链股份有限公司 | Burr remover is used in a kind of production of anchor chain |
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