CN108161370B - Chain production process and pin shaft fillet machining device applied to same - Google Patents
Chain production process and pin shaft fillet machining device applied to same Download PDFInfo
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- CN108161370B CN108161370B CN201810118501.8A CN201810118501A CN108161370B CN 108161370 B CN108161370 B CN 108161370B CN 201810118501 A CN201810118501 A CN 201810118501A CN 108161370 B CN108161370 B CN 108161370B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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Abstract
The invention discloses a chain production process and a pin shaft fillet processing device applied to the process, and the key points of the technical scheme are that the pin shaft fillet processing device comprises a workbench, a bottom plate arranged on the workbench, a roller arranged on the bottom plate, a transmission mechanism arranged on the bottom plate and used for driving the roller to rotate, and a vibrating screen arranged at the bottom of one end of the roller and used for separating a pin shaft from sand; the chain production process comprises the following steps: (1) processing a chain sheet; (2) processing a roller; (3) processing a sleeve; (4) processing a pin shaft; (5) polishing; (6) and (6) assembling the chain. According to the invention, a batch of pin shafts can be subjected to fillet machining at one time in the pin shaft machining process, so that the machining efficiency is improved.
Description
Technical Field
The invention relates to the field of chain processing, in particular to a chain production process and a pin shaft fillet processing device applied to the process.
Background
The chain is an original element with power transmission and conveying functions and has a wide application range, and the chain generally comprises a panel, a shaft, a roller and a sleeve.
In the prior art, chinese patent application publication No. CN105382175A discloses a chain processing process, and the processing process of the panel thereof includes: (1) blanking, namely stamping the workpiece by using stamping equipment; (2) bending and punching: straightening and bending the workpiece by using a bending die, centering the workpiece, and punching the workpiece by using a punch; (4) heat treatment; the processing technology of the shaft comprises the following steps: (1) preparing materials; (2) finish machining: grinding the workpiece by a grinding machine; (3) heat treatment; the processing technology of the roller comprises the following steps: (1) selecting materials, namely selecting 42CrMo as a raw material, (2) turning the raw material by a lathe, wherein the thickness of the inner wall of the roller is increased by 3 mm; (3) performing heat treatment, namely performing flame dipping treatment on the workpiece, and then performing high-frequency treatment on the workpiece; the processing technology of the sleeve comprises the following steps: (1) selecting materials, namely selecting 42CrMo as a raw material, (2) turning, and turning by a lathe; (3) and (4) performing heat treatment, namely performing flame dipping treatment on the workpiece, and then performing high-frequency treatment on the workpiece.
The existing chain processing technology adopts a grinding machine to carry out grinding treatment when round corners of shafts are processed, only one shaft can be processed at a time, and the problem of low processing efficiency exists.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a chain production process and a pin shaft fillet processing device applied to the process, which can process fillets of a batch of pin shafts at one time and improve the processing efficiency.
In order to achieve the purpose, the invention provides the following technical scheme: a round corner processing device for a pin shaft comprises a workbench, a bottom plate arranged on the workbench, a roller arranged on the bottom plate, a transmission mechanism arranged on the bottom plate and used for driving the roller to rotate, and a vibrating screen arranged at the bottom of one end of the roller and used for separating the pin shaft from sand; a feed inlet is formed in one end of the roller, a discharge outlet is formed in the other end of the roller, and the vibrating screen is located below one end of the discharge outlet of the roller; one end of the feed port of the roller is fixedly connected with a material blocking ring for preventing the pin shaft and the sand from falling from the roller in the rolling process; a discharging ring fixedly connected to the bottom plate and used for preventing the pin shaft and the sand from falling off the roller in the rolling process is arranged at one end of a discharging hole of the roller, and a discharging plate capable of sliding upwards from the discharging ring is arranged at the bottom of the middle of the discharging ring; the discharging ring is rotationally connected with the roller; one end of the bottom plate, which is close to the vibrating screen, is rotatably connected to the workbench, and an air cylinder for driving one end of the bottom plate, which is far away from the vibrating screen, to move upwards is arranged at the bottom of the other end of the bottom plate, which is opposite to the vibrating screen.
By adopting the technical scheme, the pin shaft and the sand are added into the roller together, the transmission mechanism drives the roller to rotate, and the roller drives the sand to carry out fillet grinding and milling on the pin shaft in the rotating process; after the sand and the pin shaft are milled in the roller for 6-8 hours, the round angle of the pin shaft is machined; the cylinder can be once processed the fillet of a batch round pin axle, has improved machining efficiency.
The invention is further configured to: the transmission mechanism comprises two rotating shafts, a transmission wheel and a motor, wherein the two rotating shafts are arranged at the top of the bottom plate, the axes of the two rotating shafts are parallel to the axis of the roller, the transmission wheel is fixedly connected to two ends of each rotating shaft, and the motor is fixedly connected to the bottom plate and provides power for one rotating shaft; the rotating shafts are positioned at two sides of the bottom of the roller, and the horizontal heights of the two rotating shafts are equal; two ends of the rotating shaft are rotatably connected with supporting plates; the rotating shaft is rotatably connected to the bottom plate through a supporting plate; the position of the periphery of the roller close to the two ends is fixedly connected with a transmission ring, and the transmission ring is matched with a transmission wheel close to the end.
Through adopting above-mentioned technical scheme, the motor drives the cylinder through pivot, drive wheel and driving ring and rotates, and drive mechanism can enough support the cylinder, can drive the cylinder again and support.
The invention is further configured to: the bottom of the cylinder is rotatably connected to the workbench; the bottom of the bottom plate is rotatably connected with a connecting shaft, and the connecting shaft is rotatably connected with a connecting shaft sleeve fixedly connected with a piston rod of the air cylinder.
Through adopting above-mentioned technical scheme, piston rod top fixedly connected with rotates the connecting axle sleeve of being connected with the connecting axle, and the cylinder bottom rotates to be connected on the workstation to make the cylinder drive one side upward movement that the bottom plate deviates from the reciprocating sieve through the piston rod.
The invention is further configured to: the reciprocating sieve comprises a sieve plate, reciprocating springs fixedly connected to four corners of the bottom of the sieve plate, a reciprocating motor fixedly connected to the bottom of the sieve plate and supporting columns fixedly connected to the reciprocating springs and opposite to the other end of the sieve plate.
Through adopting above-mentioned technical scheme, shock dynamo will shake and transmit for the sieve, and the sieve produces vibrations on vibrations spring to can shake the screening to round pin axle and grit on the sieve.
The invention is further configured to: the bottom plate is fixedly connected with a material guide plate which is obliquely arranged, the higher end of the material guide plate is positioned at the bottom of the discharge hole, and the lower end of the material guide plate is positioned at the top of the vibrating screen.
Through adopting above-mentioned technical scheme, can play the guide effect to round pin axle and grit through setting up the stock guide for round pin axle and grit can be more smooth be sent to the reciprocating sieve on.
The invention is further configured to: the bottom of the sieve plate is provided with a vibrating plate, and the top of the vibrating plate is fixedly connected with an electromagnet; the four corners of the bottom of the vibrating plate are fixedly connected with vibrating springs, and the other ends of the vibrating springs, which are opposite to the vibrating plate, are fixedly connected with supporting columns; the bottom of the vibration plate is fixedly connected with a vibration motor.
By adopting the technical scheme, the sand falls on the vibrating plate, the electromagnet is electrified, scrap iron in the sand is adsorbed on the electromagnet, and the vibrating plate is driven to vibrate by the vibrating motor and the vibrating spring, so that the scrap iron in the sand can be more fully adsorbed on the vibrating plate; after the sand is sent out from the vibration plate, the electromagnet is powered off, and the scrap iron on the vibration plate is sent out under the action of the vibration motor and the vibration spring.
Aiming at the defects in the prior art, the invention also aims to provide a chain production process, which can be used for performing fillet machining on a batch of pin shafts at one time and improving the working efficiency, and comprises the following specific operation steps:
(1) processing the chain sheet: a. blanking: blanking the chain sheet by using a punch; b. vacuum quenching: heating the chain sheet to 850-880 ℃, and then preserving heat for 45-80 min; quenching the chain sheet by using oil as a medium after heat preservation; c. cleaning and deoiling: cleaning the chain after quenching by using water, and cleaning oil stains on the surface of the chain; d. tempering: electrically heating the chain sheet to 280-320 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
(2) processing a roller: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the roller to 800-830 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the roller to 260-280 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
(3) sleeve processing: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the sleeve to 800-830 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the sleeve to 260-280 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
(4) processing a pin shaft: a. blanking: cutting the raw material by using a cutting machine to obtain a pin shaft; b. rounding: adding the pin shaft into a pin shaft fillet processing device for fillet processing, and mixing and grinding the pin shaft and sand in a roller for 6-8 hours; c. quenching: heating the pin shaft to 880-920 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; d. tempering: electrically heating the pin shaft to 220-250 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
(5) polishing: respectively adding the pin shaft, the chain sheet, the roller and the sleeve into a pin shaft fillet processing device for polishing, and polishing for 10min by using sand in a roller;
(6) assembling the chain: and assembling the chain sheet, the pin shaft, the roller and the sleeve together by using chain assembling equipment.
Through adopting above-mentioned technical scheme, utilize the grit to carry out fillet processing to the round pin axle in the middle of the cylinder, once can carry out fillet processing to a batch of round pin axles, improved machining efficiency.
The invention is further configured to: and (2) heating the chain sheet by using propane and kerosene as fuels when quenching is carried out in the step (1).
By adopting the technical scheme, the wear resistance and hardness of the chain sheet can be improved by adding propane and kerosene as fuels in the quenching process.
The invention is further configured to: in the step (2), the step (3) and the step (4), propane and methanol are used as fuels when the roller, the sleeve and the pin shaft are quenched and heated.
By adopting the technical scheme, the hardness of the processed workpiece can be improved by adopting propane and methanol as quenching fuels, and the hardness of the surface of the workpiece can be uniform.
The invention is further configured to: after the pin shaft, the chain, the roller and the sleeve are polished in the step (5), a step of recycling sand can be added, and the specific method is as follows: and (3) putting the sand on the vibrating plate, removing scrap iron ground in the sand, and reusing the sand.
Through adopting above-mentioned technical scheme, can clear away the iron fillings in the grit, prevent to influence the processing effect because iron fillings are too much in the grit.
In summary, compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, a batch of pin shafts can be directly thrown into the roller through the roller, and the round corners of the pin shafts are processed through the sand, so that the processing efficiency is improved and the processing cost is reduced.
2. The vibrating plate can be arranged to remove scrap iron in the sand, so that the influence of excessive scrap iron on the processing effect of the sand is prevented.
3. The chain production process adopted by the invention can improve the wear resistance of the chain sheet, improve the hardness of the pin shaft, the shaft sleeve and the roller, ensure that the surface hardness is uniform, and also can improve the efficiency of round angle processing of the pin shaft.
Drawings
FIG. 1 is an isometric view of the complete structure of the embodiment;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of an embodiment showing a feed opening;
FIG. 4 is an enlarged view of the portion B of FIG. 3;
fig. 5 is an enlarged schematic view of the portion C of fig. 3.
In the figure: 1. a work table; 2. a drum; 21. a feed inlet; 211. a material blocking ring; 22. a discharge port; 221. discharging rings; 222. a discharge plate; 23. a drive ring; 24. a transmission mechanism; 241. a rotating shaft; 242. a driving wheel; 243. a support plate; 244. a motor; 25. a material guide plate; 26. a base plate; 261. a connecting shaft; 271. connecting the shaft sleeve; 27. a cylinder; 3. vibrating screen; 31. a sieve plate; 32. vibrating a motor; 33. vibrating the spring; 34. a support pillar; 4. a vibration plate; 41. an electromagnet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The first embodiment is as follows: a round corner processing device of a pin shaft is used for processing round corners of the pin shaft and is shown in the attached figure 1, and comprises a workbench 1, a bottom plate 26 arranged on the workbench 1, a roller 2 arranged on the bottom plate 26, a vibrating screen 3 arranged at the discharging end of the roller 2 and a vibrating plate 4 arranged below the vibrating screen 3; one end of the roller 2 is provided with a feeding hole 21, the other end is provided with a discharging hole 22, and the vibrating screen 3 is positioned below one end of the discharging hole 22 of the roller 2; add the round pin axle that the grit and need carry out fillet processing together in the middle of the cylinder 2, cylinder 2 drives the grit in the middle of the rolling process and carries out the fillet and hand over the processing to the round pin axle, and in the middle of the shale shaker 3 is added together to grit and round pin axle after processing, through the screening of shale shaker 3, the round pin axle is seen off from 3 ejection of compact one end of shale shaker, and the grit is seen off from 3 bottoms of shale shaker, falls into on the vibrations board 4.
Referring to fig. 1 and fig. 2, one end of the bottom plate 26 close to the vibrating screen 3 is rotatably connected to the workbench 1, the bottom of the other end is provided with an air cylinder 27, the bottom of one side of the bottom plate 26 close to the air cylinder 27 is fixedly connected with a connecting shaft 261, the axial direction of which is parallel to the direction of the shorter side of the bottom plate 26, and the middle position of the connecting shaft 261 is rotatably connected with a connecting shaft sleeve 271 fixedly connected with a piston rod of the air cylinder 27; the bottom of the air cylinder 27 is rotatably connected with the workbench 1. After the screening is finished, the air cylinder 27 drives the bottom plate 26 to move upwards at the side of the feed opening 21 through the piston rod, so that the bottom plate 26 is inclined, and the pin shaft and the sand in the roller 2 are sent out from the discharge opening 22 under the action of self gravity. One end of the feed inlet 21 of the roller 2 is fixedly connected with a material blocking ring 211 for preventing sand and a pin shaft from falling from the roller 2 in the rolling process.
Referring to fig. 1, a material guide plate 25 is fixedly connected to the bottom plate 26, the material guide plate 25 is obliquely arranged, and the higher end of the material guide plate 25 is positioned below the discharge port 22 of the drum 2, and the lower end of the material guide plate is positioned above the vibrating screen 3; the vibrating screen 3 comprises a screen plate 31, a vibrating motor 32 fixedly connected to the bottom of the screen plate 31, vibrating springs 33 fixedly connected to four corners of the bottom of the screen plate 31, and supporting columns 34 fixedly connected to the other ends of the springs opposite to the other end of the screen plate 31; when the screening machine works, the vibrating motor 32 vibrates the screening plate 31, and the screening plate 31 performs vibrating screening 3 on sand and pin shafts on the top of the screening plate 31 under the action of the vibrating spring 33. The discharge side of the screening plate 31 is located on the side of the screening plate 31 facing away from the drum 2.
Referring to fig. 1 and 3, the transmission mechanism 24 includes two rotating shafts 241 disposed on the top of the bottom plate 26 and parallel to the axial direction of the drum 2, transmission wheels 242 fixedly connected to two ends of the rotating shafts 241, and a motor 244 fixedly connected to the bottom plate 26 for providing power to one of the rotating shafts 241; the rotating shaft 241 is located at the bottom of the drum 2 and the two rotating shafts 241 have the same horizontal height. Support plates 243 are fixedly connected to both ends of each shaft 241, and the shafts 241 are rotatably connected to the base plate 26 through the two support plates 243; the positions of the periphery of the roller 2 close to the two ends are fixedly connected with transmission rings 23, and the transmission rings 23 are matched with transmission wheels 242 close to the ends; the driving wheel 242 rotates the drum 2 by driving the driving ring 23. The motor 244 rotates the rotation shaft 241, thereby rotating the drum 2 through the transmission wheel 242 and the transmission ring 23.
Referring to fig. 3 and 4, one end of the discharge hole 22 of the drum 2 is provided with a discharge ring 221 fixedly connected to the bottom plate 26 for preventing sand and pins from falling from the drum 2 during the rotation of the drum 2, and a discharge plate 222 capable of sliding upwards from the discharge ring 221 is slidably connected to the middle bottom position of the discharge ring 221; the discharging plate 222 is lifted from the discharging ring 221 to facilitate discharging from the roller 2; the discharging ring 221 is rotationally connected with the roller 2; when the drum 2 rotates, the discharging plate 222 is inserted into the discharging ring 221, and when the drum 2 stops working, the discharging plate 222 is pulled out from the discharging ring 221 to send out the sand and the pin shaft in the drum 2.
Referring to fig. 3 and 5, a vibration spring 33 is also fixedly connected to the bottom of the vibration plate 4, and a support pillar 34 is fixedly connected to the bottom of the vibration spring 33; the bottom of the vibration plate 4 is fixedly connected with a vibration motor 32 which generates vibration to the vibration plate 4. The top of the vibration plate 4 is fixedly connected with an electromagnet 41.
Reciprocating sieve 3 switches on electro-magnet 41 when screening the grit to vibrations board 4, electro-magnet 41 produces magnetic force, vibrating motor 32 produces vibrations to the grit, iron fillings in the in-process grit of vibrations can be more abundant adsorb by electro-magnet 41, the ejection of compact one end of grit from vibrations board 4 is seen off under vibrating motor 32's effect, iron fillings are adsorbed on electro-magnet 41, all sands are all followed vibration board 4 and are seen off after, cut off power supply to electro-magnet 41, make electro-magnet 41 lose magnetic force, iron fillings are seen off from vibration board 4 ejection of compact one end under vibrating motor 32's effect, collect iron fillings.
The working principle of the round pin shaft fillet processing device when in use is as follows: adding a pin shaft to be subjected to fillet machining into the roller 2 through the feed inlet 21, driving the roller 2 to rotate by a motor 244 through a rotating shaft 241, a driving wheel 242 and a driving ring 23, and machining a fillet for the pin shaft through the grinding and milling action of sand on the pin shaft; after round pin axle fillet processing finishes, extract flitch 222, adjust cylinder 27 drives the bottom plate 26 slope through the piston rod of cylinder 27, send into in the middle of the shale shaker 3 grit and the round pin axle in the middle of the cylinder 2, the round pin axle is seen off from ejection of compact one side under the effect of shock dynamo 32, the grit is selected and is fallen into on the vibrations board 4, the circular telegram to electro-magnet 41, more abundant quilt of iron fillings is adsorbed on electro-magnet 41 under the effect of shock dynamo 32, the grit is then seen off from the ejection of compact one end of vibrations board 4, treat that all sands are all seen off after, cut off power supply with electro-magnet 41, iron fillings are seen off from ejection of compact one side of vibrations board 4 under the effect of shock dynamo 32.
Example two: a production process of a chain mainly comprises the following steps:
(1) processing the chain sheet: a. blanking: blanking the chain sheet by using a punch; b. vacuum quenching: heating the chain sheet by using propane and kerosene as fuels to 850-880 ℃, and then preserving heat for 45-80 min; quenching the chain sheet by using oil as a medium after heat preservation; c. cleaning and deoiling: cleaning the chain after quenching by using water, and cleaning oil stains on the surface of the chain; d. tempering: electrically heating the chain sheet to 280-320 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
(2) processing a roller: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the roller by using propane and methanol as fuels to 800 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the roller to 260 ℃, and then taking out and cooling to normal temperature by using air;
(3) sleeve processing: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the sleeve to 800 ℃ by using propane and methanol as fuels, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the sleeve to 260 ℃, and then taking out and cooling to normal temperature by using air;
(4) processing a pin shaft: a. blanking: cutting the raw material by using a cutting machine to obtain a pin shaft; b. rounding: adding the pin shaft into a pin shaft fillet processing device for fillet processing, and mixing and grinding the pin shaft and sand in the roller 2 for 6 hours; c. quenching: heating the pin shaft by using propane and methanol as fuels to 880 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; d. tempering: electrically heating the pin shaft to 220 ℃, and then taking out the pin shaft to be cooled to normal temperature by using air;
(5) polishing: respectively adding the pin shaft, the chain sheet, the roller and the sleeve into a pin shaft fillet processing device for polishing, and polishing for 10min by using sand in the roller 2;
(6) and (3) sand recovery: and (3) putting the sand on the vibrating plate 4, removing scrap iron ground in the sand, and reusing the sand.
(7) Assembling the chain: and assembling the chain sheet, the pin shaft, the roller and the sleeve together by using chain assembling equipment.
Example three: a production process of a chain mainly comprises the following steps:
(1) processing the chain sheet: a. blanking: blanking the chain sheet by using a punch; b. vacuum quenching: heating the chain sheet by using propane and kerosene as fuels to 860 ℃, and then preserving heat for 60 min; quenching the chain sheet by using oil as a medium after heat preservation; c. cleaning and deoiling: cleaning the chain after quenching by using water, and cleaning oil stains on the surface of the chain; d. tempering: electrically heating the chain sheet to 300 ℃, preserving heat for 35min, and then taking out and cooling to normal temperature by using air;
(2) processing a roller: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the roller by using propane and methanol as fuels to 810 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the roller to 270 ℃, preserving heat for 35min, and then taking out and cooling to normal temperature by using air;
(3) sleeve processing: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the sleeve to 815 ℃ by using propane and methanol as fuels, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the sleeve to 270 ℃, preserving heat for 35min, and then taking out and cooling to normal temperature by using air;
(4) processing a pin shaft: a. blanking: cutting the raw material by using a cutting machine to obtain a pin shaft; b. rounding: adding the pin shaft into a pin shaft fillet processing device for fillet processing, and mixing and grinding the pin shaft and sand in the roller 2 for 7 hours; c. quenching: heating the pin shaft by using propane and methanol as fuels to 900 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; d. tempering: electrically heating the pin shaft to 235 ℃, preserving heat for 35min, and then taking out and cooling to normal temperature by using air;
(5) polishing: respectively adding the pin shaft, the chain sheet, the roller and the sleeve into a pin shaft fillet processing device for polishing, and polishing for 10min by using sand in the roller 2;
(6) and (3) sand recovery: putting sand on the vibrating plate 4, removing scrap iron ground in the sand, and reusing the sand;
(7) assembling the chain: and assembling the chain sheet, the pin shaft, the roller and the sleeve together by using chain assembling equipment.
Example four: a production process of a chain mainly comprises the following steps:
(1) processing the chain sheet: a. blanking: blanking the chain sheet by using a punch; b. vacuum quenching: heating the chain sheet by using propane and kerosene as fuels, heating to 880 ℃, and then preserving heat for 80 min; quenching the chain sheet by using oil as a medium after heat preservation; c. cleaning and deoiling: cleaning the chain after quenching by using water, and cleaning oil stains on the surface of the chain; d. tempering: electrically heating the chain sheet to 320 ℃, preserving heat for 40min, and then taking out and cooling to normal temperature by using air;
(2) processing a roller: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the roller by using propane and methanol as fuels to 830 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the roller to 280 ℃, preserving heat for 40min, and then taking out and cooling to normal temperature by using air;
(3) sleeve processing: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the sleeve to 830 ℃ by using propane and methanol as fuels, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the sleeve to 280 ℃, preserving heat for 40min, and then taking out and cooling to normal temperature by using air;
(4) processing a pin shaft: a. blanking: cutting the raw material by using a cutting machine to obtain a pin shaft; b. rounding: adding the pin shaft into a pin shaft fillet processing device for fillet processing, and mixing and grinding the pin shaft and sand in the roller 2 for 8 hours; c. quenching: heating the pin shaft by using propane and methanol as fuels to 920 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; d. tempering: electrically heating the pin shaft to 250 ℃, preserving heat for 40min, and then taking out and cooling to normal temperature by using air;
(5) polishing: respectively adding the pin shaft, the chain sheet, the roller and the sleeve into a pin shaft fillet processing device for polishing, and polishing for 10min by using sand in the roller 2;
(6) and (3) sand recovery: putting sand on the vibrating plate 4, removing scrap iron ground in the sand, and reusing the sand;
(7) assembling the chain: and assembling the chain sheet, the pin shaft, the roller and the sleeve together by using chain assembling equipment.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (9)
1. A chain production process is characterized in that: the production process of the chain comprises the following steps:
(1) processing the chain sheet: a. blanking: blanking the chain sheet by using a punch; b. vacuum quenching: heating the chain sheet to 850-880 ℃, and then preserving heat for 45-80 min; quenching the chain sheet by using oil as a medium after heat preservation; c. cleaning and deoiling: cleaning the chain after quenching by using water, and cleaning oil stains on the surface of the chain; d. tempering: electrically heating the chain sheet to 280-320 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
(2) processing a roller: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the roller to 800-830 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the roller to 260-280 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
(3) sleeve processing: a. blanking: producing a shaft sleeve by using a roller chain pipe coiling machine; b. quenching: heating the sleeve to 800-830 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; c. tempering: electrically heating the sleeve to 260-280 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
(4) processing a pin shaft: a. blanking: cutting the raw material by using a cutting machine to obtain a pin shaft; b. rounding: adding the pin shaft into a pin shaft fillet processing device for fillet processing, and mixing and grinding the pin shaft and sand in the roller (2) for 6-8 hours; c. quenching: heating the pin shaft to 880-920 ℃, and then preserving heat for 45 min; quenching the chain sheet by using water as a medium after heat preservation; d. tempering: electrically heating the pin shaft to 220-250 ℃, preserving heat for 30-40 min, and then taking out and cooling to normal temperature by using air;
the round pin shaft fillet machining device comprises a workbench (1), a bottom plate (26) arranged on the workbench (1), a roller (2) arranged on the bottom plate (26), a transmission mechanism (24) arranged on the bottom plate (26) and used for driving the roller (2) to rotate, and a vibrating screen (3) arranged at the bottom of one end of the roller (2) and used for separating a pin shaft from sand; one end of the roller (2) is provided with a feeding hole (21), the other end of the roller is provided with a discharging hole (22), and the vibrating screen (3) is positioned below one end of the discharging hole (22) of the roller (2); one end of a feed inlet (21) of the roller (2) is fixedly connected with a material blocking ring (211) for preventing the pin shaft and the sand from falling from the roller (2) in the rolling process; one end of a discharge hole (22) of the roller (2) is provided with a discharge ring (221) which is fixedly connected to the bottom plate (26) and used for preventing the pin shaft and the sand from falling from the roller (2) in the rolling process, and the bottom of the middle of the discharge ring (221) is provided with a discharge plate (222) which can slide upwards from the discharge ring (221); the discharging ring (221) is rotationally connected with the roller (2); one end, close to the vibrating screen (3), of the bottom plate (26) is rotatably connected to the workbench (1), and an air cylinder (27) for driving one end, far away from the vibrating screen (3), of the bottom plate (26) to move upwards is arranged at the bottom of the other end, opposite to the vibrating screen (3), of the bottom plate (26);
(5) polishing: respectively adding the pin shaft, the chain sheet, the roller and the sleeve into a pin shaft fillet processing device for polishing, and polishing for 10min by using sand in the roller (2);
(6) assembling the chain: and assembling the chain sheet, the pin shaft, the roller and the sleeve together by using chain assembling equipment.
2. The chain production process according to claim 1, characterized in that: the transmission mechanism (24) comprises two rotating shafts (241) which are arranged on the top of the bottom plate (26) and are parallel to the axis of the roller (2), transmission wheels (242) which are fixedly connected to two ends of each rotating shaft (241) and a motor (244) which is fixedly connected to the bottom plate (26) and provides power for one rotating shaft (241); the rotating shafts (241) are positioned at two sides of the bottom of the roller (2), and the horizontal heights of the two rotating shafts (241) are equal; the two ends of the rotating shaft (241) are rotatably connected with supporting plates (243), and the rotating shaft (241) is rotatably connected to the bottom plate (26) through the supporting plates (243); the positions of the periphery of the roller (2) close to the two ends are fixedly connected with transmission rings (23), and the transmission rings (23) are matched with transmission wheels (242) close to the ends.
3. The chain production process according to claim 1, characterized in that: the bottom of the air cylinder (27) is rotatably connected to the workbench (1); the bottom of the bottom plate (26) is rotatably connected with a connecting shaft (261), and the connecting shaft (261) is rotatably connected with a connecting shaft sleeve (271) fixedly connected with a piston rod of the air cylinder (27).
4. The chain production process according to claim 1, characterized in that: the vibrating screen (3) comprises a screen plate (31), vibrating springs (33) fixedly connected at four corners of the bottom of the screen plate (31), a vibrating motor (32) fixedly connected to the bottom of the screen plate (31) and supporting columns (34) fixedly connected to the vibrating springs (33) and opposite to the other end of the screen plate (31).
5. The chain production process according to claim 1, characterized in that: the bottom plate (26) is fixedly connected with a material guide plate (25) which is obliquely arranged, the higher end of the material guide plate (25) is positioned at the bottom of the discharge hole (22), and the lower end of the material guide plate is positioned at the top of the vibrating screen (3).
6. The chain production process according to claim 4, wherein: the bottom of the sieve plate (31) is provided with a vibration plate (4), and the top of the vibration plate (4) is fixedly connected with an electromagnet (41); four corners of the bottom of the vibration plate (4) are fixedly connected with vibration springs (33), and the other end of each vibration spring (33) corresponding to the vibration plate (4) is fixedly connected with a support pillar (34); the bottom of the vibration plate (4) is fixedly connected with a vibration motor (32).
7. The chain production process according to claim 1, characterized in that: and (2) heating the chain sheet by using propane and kerosene as fuels when quenching is carried out in the step (1).
8. The chain production process according to claim 1, characterized in that: in the step (2), the step (3) and the step (4), propane and methanol are used as fuels when the roller, the sleeve and the pin shaft are quenched and heated.
9. The chain production process according to claim 1, characterized in that: after the pin shaft, the chain, the roller and the sleeve are polished in the step (5), a step of recycling sand can be added, and the specific method is as follows: and (3) putting the sand on the vibrating plate (4), removing scrap iron in the sand, and reusing the sand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118501.8A CN108161370B (en) | 2018-02-06 | 2018-02-06 | Chain production process and pin shaft fillet machining device applied to same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810118501.8A CN108161370B (en) | 2018-02-06 | 2018-02-06 | Chain production process and pin shaft fillet machining device applied to same |
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| Publication Number | Publication Date |
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| CN108161370A CN108161370A (en) | 2018-06-15 |
| CN108161370B true CN108161370B (en) | 2020-05-22 |
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| CN201810118501.8A Expired - Fee Related CN108161370B (en) | 2018-02-06 | 2018-02-06 | Chain production process and pin shaft fillet machining device applied to same |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109226108B (en) * | 2018-08-24 | 2020-10-20 | 连云港永发包装有限公司 | Cleaning equipment convenient to use for metal material processing |
| CN109746648B (en) * | 2019-03-04 | 2021-01-05 | 黄山中链科技有限公司 | Production process of high-strength wear-resistant engine chain |
| CN110303304B (en) * | 2019-07-23 | 2022-03-15 | 重庆申耀机械工业有限责任公司 | Processing technique of roller |
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| CN108161370A (en) | 2018-06-15 |
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