CN114406835B - Screw heat treatment cleaning process - Google Patents
Screw heat treatment cleaning process Download PDFInfo
- Publication number
- CN114406835B CN114406835B CN202210062555.3A CN202210062555A CN114406835B CN 114406835 B CN114406835 B CN 114406835B CN 202210062555 A CN202210062555 A CN 202210062555A CN 114406835 B CN114406835 B CN 114406835B
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- China
- Prior art keywords
- screw
- rod
- bevel gear
- scraper
- driving
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 40
- 238000004140 cleaning Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 19
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 239000012459 cleaning agent Substances 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000005238 degreasing Methods 0.000 claims abstract description 5
- 238000010791 quenching Methods 0.000 claims abstract description 4
- 230000000171 quenching effect Effects 0.000 claims abstract description 4
- 238000005496 tempering Methods 0.000 claims abstract description 4
- 238000007664 blowing Methods 0.000 claims description 26
- 230000001360 synchronised effect Effects 0.000 claims description 25
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005202 decontamination Methods 0.000 abstract description 2
- 230000003588 decontaminative effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/04—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F17/00—Multi-step processes for surface treatment of metallic material involving at least one process provided for in class C23 and at least one process covered by subclass C21D or C22F or class C25
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning In General (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The application relates to a screw heat treatment cleaning process, which comprises the following steps: s1, deburring and preliminary rust removal are carried out on the surface of a screw by using cleaning equipment, and degreasing and rust removal are carried out on the surface of the screw by using cleaning agents; s2, preheating: the screw is preheated in two sections, wherein the first section is at 500-550 ℃ for 10 minutes, the second section is at 750-850 ℃ for 15-20 minutes; s3, quenching treatment: and heating the screw in a furnace to 700-800 ℃, preserving heat for 20-30 minutes, and discharging the screw from the furnace for oil cooling. S4, high-temperature tempering treatment: and heating the screw in a furnace to 500-550 ℃, preserving heat for 40-60 minutes, discharging the screw from the furnace, and cooling with water. Before the screw is subjected to heat treatment, the screw is subjected to deburring treatment, decontamination treatment and rust removal treatment, so that the influence of other factors on the screw on the heat treatment of the screw can be reduced, and the quality of the screw after the heat treatment is improved.
Description
Technical Field
The application relates to the field of heat treatment, in particular to a screw heat treatment cleaning process.
Background
The screw is a tool for fastening the parts of the device step by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of the object. The heat treatment is a metal heat processing technology for obtaining the required performance by changing the chemical components and tissues of the surface or the inside of a metal material in a solid state through heating, heat preservation and cooling means. Such as a heat treatment device used during the processing of screws.
After the screw is processed, the screw is subjected to heat treatment, burrs are formed on the surface of the screw, or scrap iron is left on the surface of the screw to influence the heat treatment effect of the screw, and when some screws retained in a warehouse are subjected to heat treatment, the retained screw surface is rusted and the heat treatment effect of the screw is also possibly influenced.
Disclosure of Invention
In order to improve the effect of improving the screw heat treatment, the application provides a screw heat treatment cleaning process.
The screw heat treatment cleaning process provided by the application adopts the following technical scheme:
A screw heat treatment cleaning process comprises the following steps:
S1, deburring and preliminary rust removal are carried out on the surface of a screw by using cleaning equipment, and degreasing and rust removal are carried out on the surface of the screw by using cleaning agents;
S2, preheating: the screw is preheated in two sections, wherein the first section is at 500-550 ℃ for 10 minutes, the second section is at 750-850 ℃ for 15-20 minutes;
s3, quenching treatment: and heating the screw in a furnace to 700-800 ℃, preserving heat for 20-30 minutes, and discharging the screw from the furnace for oil cooling.
S4, high-temperature tempering treatment: and heating the screw in a furnace to 500-550 ℃, preserving heat for 40-60 minutes, discharging the screw from the furnace, and cooling with water.
Through adopting above-mentioned technical scheme, before the screw carries out the heat treatment, carry out burring treatment, decontamination treatment and rust cleaning treatment to the screw earlier, can reduce the influence of other factors on the screw to the screw heat treatment to improve the screw quality after the heat treatment.
Preferably, the cleaning device in the step S1 includes a workbench, a rust removing mechanism and a deburring mechanism which are arranged on the workbench, the rust removing mechanism includes a first driving member, a receiving block and a scraper which are slidably connected on the workbench, the first driving member is used for driving the receiving block and the scraper to clamp a screw, and the scraper is used for being embedded into a thread groove of the screw and scraping rust in the thread groove along the rotation direction of the thread groove along with the rotation of the screw;
the deburring mechanism comprises a driving piece II, a driving piece III and a brush wheel, wherein the workbench is connected with a moving block in a sliding manner along the axis direction perpendicular to the screw, the brush wheel is rotationally connected to the moving block, the driving piece II drives the brush wheel to move towards one side of the screw to be abutted to the screw, the driving piece III drives the brush wheel to rotate on the moving block, the deburring mechanism is positioned on one side of the rust removing mechanism, and the brush wheel is used for deburring the screw after rust removal.
Through adopting above-mentioned technical scheme, the manual position that changes the piece of accepting and scraper makes the piece of accepting and scraper clamp screw, then through rotating the screw, makes the scraper scrape in proper order along the screw flute on the screw and wipes away to the rust in the screw flute that makes the screw difficult clearance on is cleared up, then removes towards deburring mechanism after the screw rust removal, and the brush wheel rotates and carries out burring processing to the screw.
Preferably, the number of the brush wheels is two, and the two brush wheels are respectively positioned at two sides of the screw to perform deburring treatment on the screw.
Through adopting above-mentioned technical scheme, two brush wheels homoenergetic butt on the screw, make the atress of screw can be balanced, reduce the probability of screw skew.
Preferably, the three-jaw chuck is characterized by further comprising a driving piece IV, wherein the driving piece IV is connected with a moving seat in a sliding manner perpendicular to the sliding direction of the scraper, a three-jaw chuck is connected to the moving seat in a rotating manner, the axial direction of the three-jaw chuck is parallel to the sliding direction of the moving seat, the three-jaw chuck is used for clamping one end of a screw far away from a thread groove, and the driving piece IV drives the three-jaw chuck to rotate.
Through adopting above-mentioned technical scheme, drive the screw through driving piece four drive three-jaw chuck and rotate, when the scraper is scraped along the screw flute and is wiped, the screw not by rust cleaning part can be automatic towards scraper one side removal to drive the movable block and remove, can realize the rust cleaning of screw automatically.
Preferably, the driving piece IV is a first motor, the first motor is fixed on the movable seat, and an output shaft of the first motor is coaxially and fixedly connected to the three-jaw chuck;
The driving piece III comprises a first rod, a second rod, a driving rod, a first synchronous belt, a first bevel gear, two first synchronous wheels, a second bevel gear, a third bevel gear, a fourth bevel gear and a driving rod, wherein the second rod is rotationally connected in a workbench, the axial direction of the second rod is parallel to the sliding direction of the movable seat, the first rod is coaxially and slidingly connected on the second rod, the first rod is rotationally connected on the workbench at the same time, the two first synchronous wheels are respectively and fixedly connected on the first rod and the output shaft of a first motor, and the first synchronous belt is wound on the two first synchronous wheels;
the movable block is positioned on one side of the second rod, and the first bevel gear is coaxially and fixedly connected to the second rod. The drive rod is rotationally connected to the workbench, the axial direction of the drive rod is parallel to the sliding direction of the moving block, the second bevel gear is coaxially and fixedly connected to the drive rod, the second bevel gear is meshed with the first bevel gear, the drive rod is arranged in a penetrating manner and movably connected to the corresponding moving block, the third bevel gear is slidingly connected to the corresponding drive rod along the axial direction of the drive rod, the third bevel gear is positioned in the moving block and is rotationally connected to the moving block, the fourth bevel gear is coaxially and fixedly connected to the brush wheel, and the fourth bevel gear is positioned in the moving block and meshed with the corresponding third bevel gear.
Through adopting above-mentioned technical scheme, when first motor drives screw rotation, can drive the brush wheel through a series of structures and rotate, can reduce the use of driving source.
Preferably, the automatic scrap blowing machine further comprises a scrap blowing mechanism, the scrap blowing mechanism is located between the rust removing mechanism and the deburring mechanism, the scrap blowing mechanism comprises a machine shell, a rotating shaft, a blowing pipe, a second synchronous belt, two second synchronous wheels and a plurality of blades, the machine shell is arranged on a workbench, the rotating shaft is rotationally connected to the machine shell, the blades are distributed on the rotating shaft along the circumferential direction of the rotating shaft, the machine shell is sleeved on the blades, the rotating shaft and the circumferential direction of the driving wheel are mutually parallel, the two second synchronous wheels are respectively and fixedly connected to the rotating shaft and the driving rod, the second synchronous belt is wound on the two second synchronous wheels, one end of the blowing pipe is communicated with the machine shell, the other end of the blowing pipe is close to the butt joint of the scraping knife and the screw, and the blowing pipe is used for blowing scrap iron scraped by the scraping knife from the screw.
Through adopting above-mentioned technical scheme, when the scraper carries out rust cleaning operation to the screw, rust in the thread groove can attach on the scraper or drop on the screw again, and when the screw pivoted this moment, the drive pole can rotate through the cooperation drive pivot of second synchronizing wheel and second hold-in range to drive the blade rotation and produce wind-force, blow off screw and scraper with iron fillings through blowing pipe direction wind-force.
Preferably, an arc-shaped groove which is concave towards one side far away from the scraper is formed in the side face of the bearing block, which faces towards the scraper.
By adopting the technical scheme, the arc-shaped groove has the radian, so that the screw has the trend of moving towards the lowest position side of the arc-shaped groove, and the probability of displacement of the screw during rust removal can be reduced.
Preferably, when no external force acts on the rust removing mechanism, an insertion gap for the end part of the screw to extend is reserved between the scraper and the bearing block, and the axis of the screw penetrates through the insertion gap.
Through adopting above-mentioned technical scheme, operating personnel need not to remove scraper and accepting the piece by hand any more, makes scraper and accepting the piece and supports tight screw, can directly aim at inserting clearance one side with the screw tip and insert, then rotates the screw, and the screw can be automatic by scraper and accepting the piece and press from both sides tightly.
In summary, the present application includes at least one of the following beneficial technical effects:
Through setting up the rust removing mechanism, the operator manually changes the positions of the bearing block and the scraper to enable the bearing block and the scraper to clamp the screw, and then through rotating the screw, the scraper is enabled to scrape along the thread groove on the screw in sequence, so that rust in the thread groove which is most difficult to clean on the screw is cleaned;
through setting up the clearance of inserting, operating personnel need not to move scraper and accepting the piece again manually, makes scraper and accepting the piece and supports tight screw, can directly insert screw tip alignment clearance one side, then rotates the screw, and the screw can be automatic by scraper and accepting the piece clamping.
Drawings
Fig. 1 is a schematic overall structure of an embodiment of the present application.
FIG. 2 is a partial cross-sectional view of a table according to an embodiment of the application.
Fig. 3 is an enlarged view at a in fig. 2.
Reference numerals illustrate: 1. a work table; 11. a movable seat; 111. a first chute; 12. a three-jaw chuck; 13. a driving member IV; 131. a first motor; 14. a second chute; 2. a rust removing mechanism; 21. a fixing frame; 211. a through groove; 22. a scraper; 23. a receiving block; 231. an arc-shaped groove; 232. a knife slot; 24. a first driving member; 241. a first spring; 242. a second spring; 25. inserting the gap; 3. a deburring mechanism; 31. a brush wheel; 311. a vertical rod; 32. a second driving piece; 321. a third spring; 33. a moving block; 34. a third driving member; 341. a first lever; 342. a second lever; 343. a first synchronizing wheel; 344. a first synchronization belt; 345. a first bevel gear; 346. a second bevel gear; 347. a drive rod; 348. a third bevel gear; 349. a fourth bevel gear; 4. a chip blowing mechanism; 41. a housing; 42. a rotating shaft; 43. a blow pipe; 44. a second timing belt; 45. a blade; 46. a vertical block; 5. a screw; 51. a head; 52. a stem portion; 521. a thread groove.
Detailed Description
The application is described in further detail below with reference to fig. 1-3.
The embodiment of the application discloses a screw heat treatment cleaning process.
Referring to fig. 1, a screw heat treatment cleaning process of the present embodiment includes the following steps:
S1, deburring and preliminary rust removal are carried out on the surface of a screw 5 by using cleaning equipment, degreasing and rust removal are carried out on the surface of the screw 5 by using cleaning agents, wherein the cleaning agents can be rust removal oil and water-based cleaning agents, the screw is firstly subjected to integral rust removal by using the rust removal oil, and then the screw is subjected to degreasing treatment by using the water-based cleaning agents;
S2, preheating: the screw 5 is preheated in two sections, wherein the first section is at 500-550 ℃ for 10 minutes, the second section is at 750-850 ℃ for 15-20 minutes;
S3, quenching treatment: and heating the screw 5 to 700-800 ℃ in a furnace, preserving heat for 20-30 minutes, and discharging the screw 5 from the furnace for oil cooling.
S4, high-temperature tempering treatment: and heating the screw 5 to 500-550 ℃ in a furnace, preserving heat for 40-60 minutes, and discharging the screw 5 from the furnace for water cooling.
Referring to fig. 1, the cleaning apparatus in step S1 includes a table 1, a rust removing mechanism 2 provided on the table 1, a chip blowing mechanism 4, and a deburring mechanism 3. The workbench 1 is provided with a movable seat 11 in a sliding connection along the length direction of the workbench 1, the screw 5 is detachably connected to the movable seat 11, the movable seat 11 is driven to move, and the movable seat 11 drives the screw 5 to sequentially pass through the rust removing mechanism 2, the chip blowing mechanism 4 and the deburring mechanism 3. The rust removing mechanism 2 is used for removing rust on the screw 5, the chip blowing mechanism 4 is used for blowing rust removed by the rust removing mechanism 2 away from the screw 5, and the deburring mechanism 3 is used for removing burrs on the surface of the screw 5.
Referring to fig. 1 and 2, a first chute 111 is formed on the top surface of the workbench 1, the length direction of the first chute 111 is parallel to the length direction of the workbench 1, the movable seat 11 is slidably connected to the first chute 111 along the length direction of the first chute 111, and the rust removing mechanism 2, the chip blowing mechanism 4 and the deburring mechanism 3 are all located at one side of the length direction of the first chute 111. The movable seat 11 is rotatably connected with a three-jaw chuck 12 towards one side surface of the rust removing mechanism 2. The moving seat 11 is provided with a driving piece IV 13, and the driving piece IV 13 drives the three-jaw chuck 12 to rotate.
Referring to fig. 2 and 3, the driving member four 13 is a first motor 131, the first motor 131 is fixedly connected to a side surface of the movable base 11, which is far away from the three-jaw chuck 12, an output shaft of the first motor 131 extends toward the side of the three-jaw chuck 12 and is coaxially and fixedly connected to the three-jaw chuck 12, and an axial direction of the output shaft of the first motor 131 is parallel to a length direction of the workbench 1.
Referring to fig. 2 and 3, the screw 5 includes a head 51 and a shaft 52, the head 51 is coaxially fixed to one end of the shaft 52 in the longitudinal direction, a screw groove 521 is spirally formed in the outer wall of the shaft 52 in the longitudinal direction of the shaft 52, and one end of the shaft 52 away from the head 51 is gradually retracted toward one end away from the head 51. The three-jaw chuck 12 is used for clamping the head 51 of the screw 5, and when the three-jaw chuck 12 clamps the screw 5, the rod 52 extends towards the rust removing mechanism 2, and the screw 5 and the three-jaw chuck 12 are coaxially arranged. When the output shaft of the first motor 131 rotates, the screw 5 can be driven to rotate by the three-jaw chuck 12.
Referring to fig. 2 and 3, the rust removing mechanism 2 includes a fixing frame 21, a first driving member 24, a receiving block 23 movably connected to the workbench 1, and a scraper 22, wherein the fixing frame 21 is fixed to the top surface of the workbench 1, a through groove 211 is formed in a side surface of the fixing frame 21, the receiving block 23 and the scraper 22 are both slidably connected to the through groove 211 in the vertical direction, and the length directions of the scraper 22 and the receiving block 23 are both perpendicular to the width direction of the workbench 1. The scraper 22 is located above the bearing block 23, and an arc-shaped groove 231 is formed in the side surface of one side, facing the scraper 22, of the bearing block 23, and the arc-shaped groove 231 is concave towards the side, facing away from the scraper 22. In order to make the movement of the scraper 22 in the vertical direction more stable, the two ends of the inner wall of the arc-shaped groove 231 are respectively provided with a cutter groove 232, the two ends of the scraper 22 are respectively connected to the two cutter grooves 232 in a sliding manner along the vertical direction, and the first driving part 24 is used for driving the bearing block 23 and the scraper 22 to move towards the side close to each other.
Referring to fig. 2 and 3, the first driving member 24 includes a plurality of first springs 241 and a plurality of second springs 242, two ends of the first springs 241 are respectively and fixedly connected to the top wall of the through groove 211 and the top surface of the scraper 22, two ends of the second springs 242 are respectively and fixedly connected to the bottom wall of the through groove 211 and the bottom surface of the receiving block 23, and the first springs 241 and the second springs 242 are in a compressed state. When no external force acts on the rust removing mechanism 2, the scraper 22 moves to abut against the bottom surface of the cutter groove 232, at this time, an insertion gap 25 is reserved between the scraper 22 and the arc-shaped groove 231, into which one end of the screw 5, which is far away from the head 51, extends, and when the screw 5 is clamped on the three-jaw chuck 12, the axis of the screw 5 is opposite to and penetrates through the center position of the insertion gap 25.
The rust removing method for removing rust on the screw 5 by using the rust removing mechanism 2 is that an operator fixedly installs the screw 5 on the three-jaw chuck 12, then drives the first motor 131 to rotate, and pushes the moving seat 11 towards one side of the rust removing mechanism 2 until the end of the screw 5 stretches into the insertion gap 25, at this time, the scraper 22 and the receiving block 23 automatically adjust positions according to the diameter of the screw 5, the screw 5 is abutted on the bottom surface of the arc-shaped groove 231, and the scraper 22 is used for being embedded into the thread groove 521 of the screw 5 and scraping rust in the thread groove 521 along the screwing direction of the thread groove 521 along with the rotation of the screw 5.
Referring to fig. 2 and 3, the direction of rotation of the output shaft of the first motor 131 is required to be along the rotation direction of the screw groove 521 on the screw 5, and the screw 5 can automatically move towards the side far from the three-jaw chuck 12 without external force along with the rotation of the screw 5; the movable seat 11 moves towards the derusting mechanism 2 under the driving of the screw 5 until the movable seat 11 moves to abut against the end wall of the first chute 111, which is close to the derusting mechanism 2, at the moment, the thread groove 521 is cleaned by the scraper 22 substantially once, then the output shaft of the first motor 131 is driven to rotate reversely, the screw 5 can move towards the three-jaw chuck 12, and the scraper 22 can derust the wall of the thread groove 521 of the screw 5 again.
Referring to fig. 2 and 3, the deburring mechanism 3 includes a second driving member 32, a third driving member 34 and two brush wheels 31, two second sliding grooves 14 are formed in the top surface of the worktable 1, the length direction of the second sliding grooves 14 is parallel to the width direction of the worktable 1, moving blocks 33 are slidingly connected to the second sliding grooves 14 along the length direction parallel to the second sliding grooves 14, and the two moving blocks 33 are opposite to each other. The moving block 33 is rotatably connected with two vertical rods 311, the axial direction of the vertical rods 311 is vertical, the two vertical rods 311 respectively extend out of the two second sliding grooves 14 and are respectively positioned on two sides of the screw 5, and the two brush wheels 31 are respectively coaxially fixed on the two vertical rods 311.
Referring to fig. 2 and 3, the second driving member 32 drives the two moving blocks 33 to move toward the side close to each other, and the third driving member 34 drives the vertical rod 311 to rotate on the corresponding moving block 33.
Referring to fig. 2 and 3, the second driving member 32 includes two third springs 321, the two third springs 321 are respectively located on the two second sliding grooves 14, one end of each third spring 321 abuts against a side surface of the corresponding second sliding groove 14 away from the other second sliding groove 14, the other end of each third spring 321 abuts against a side surface of the corresponding moving block 33 away from the other moving block 33, and the third springs 321 are always in a compressed state.
Referring to fig. 2 and 3, the driving member three 34 includes a first shaft 341, a second shaft 342, a driving shaft 347, a first timing belt 344, a first bevel gear 345, two first timing wheels 343, two second bevel gears 346, two third bevel gears 348, two fourth bevel gears 349, and two driving shafts 347. The second rod 342 is rotatably connected in the workbench 1, the axial direction of the second rod 342 is parallel to the length direction of the workbench 1, the first rod 341 is coaxially and slidably connected on the second rod 342, the first rod 341 is simultaneously and rotatably connected on the workbench 1, two first synchronous wheels 343 are coaxially and fixedly connected on the first rod 341 and the output shaft of the first motor 131 respectively, and the first synchronous belt 344 is wound on the two first synchronous wheels 343.
The two moving blocks 33 are respectively located at both sides of the second rod 342, and the first bevel gear 345 is coaxially and fixedly coupled to the second rod 342. The two driving rods 347 are rotatably connected to the workbench 1, the axial direction of the driving rods 347 is parallel to the width direction of the workbench 1, the two driving rods 347 are respectively located at two sides of the second rod 342, the two second bevel gears 346 respectively correspond to the two driving rods 347, the second bevel gears 346 are coaxially and fixedly connected to one end of the corresponding driving rod 347 facing the second rod 342, and the second bevel gears 346 are meshed with the first bevel gears 345.
The two driving rods 347 respectively correspond to the two moving blocks 33, the driving rods 347 penetrate through and are movably connected to the corresponding moving blocks 33, and the driving rods 347 penetrate through the corresponding third springs 321. The two third bevel gears 348 correspond to the two driving rods 347 respectively, the third bevel gears 348 are slidably connected to the corresponding driving rods 347 along the axial direction of the driving rods 347, the third bevel gears 348 are located in the moving block 33 and are rotatably connected to the moving block 33 along the axial direction parallel to the driving rods 347, the two fourth bevel gears 349 correspond to the two vertical rods 311 respectively, the fourth bevel gears 349 are fixedly connected to the bottom ends of the corresponding vertical rods 311 coaxially, and the fourth bevel gears 349 are located in the moving block 33 and are in meshed connection with the corresponding third bevel gears 348.
Referring to fig. 2 and 3, the output shaft of the first motor 131 is driven to rotate, so that the scraper 22 removes rust from the screw 5, the output shaft of the first motor 131 rotates to drive the first rod 341 to rotate through the cooperation of the first synchronous wheel 343 and the first synchronous belt 344, and meanwhile, the first rod 341 slides towards one side of the second rod 342 along with the movement of the moving seat 11, so that the first rod 341 can drive the second rod 342 to rotate on the premise of not influencing the position of the second rod 342, the second rod 342 rotates to drive the two driving rods 347 to rotate through the cooperation of the first bevel gear 345 and the second bevel gear 346, the two driving rods 347 rotate to drive the vertical rod 311 to rotate through the cooperation of the third bevel gear 348 and the fourth bevel gear 349, and finally the brush wheel 31 is driven to rotate by the vertical rod 311. Along with the process that the screw 5 moves towards one side of the brush wheel 31, the brush wheel 31 can adjust the distance between the two brush wheels 31 according to the diameter of the screw 5, and the brush wheel 31 can abut against the outer wall of the screw 5 under the action of the third spring 321 to perform deburring treatment on the screw 5. At the same time, the rotation direction of the brush wheel 31 is along the moving direction of the screw 5, which can play a role in helping the screw 5 to move.
Referring to fig. 1 and 3, the chip blowing mechanism 4 is located between the rust removing mechanism 2 and the deburring mechanism 3, the chip blowing mechanism 4 includes a casing 41, a rotating shaft 42, a blowing pipe 43, a second synchronous belt 44, two second synchronous wheels and a plurality of blades 45, a vertical block 46 is fixed on the top surface of the table 1 along the vertical direction, and the vertical block 46 is located at one side of the deburring mechanism 3. The casing 41 is fixedly connected to the top surface of the vertical block 46, the rotating shaft 42 is rotatably connected to the casing 41, the axial direction of the rotating shaft 42 is parallel to the width direction of the workbench 1, the blades 45 are uniformly distributed on the circumferential outer wall of the rotating shaft 42 along the circumferential direction of the rotating shaft 42, the casing 41 is sleeved on the blades 45, the two second synchronous wheels are respectively and coaxially fixedly connected to the rotating shaft 42 and the driving rod 347 close to the chip blowing mechanism 4, and the second synchronous belt 44 is wound on the two second synchronous wheels. One end of the blow tube 43 is communicated with the shell 41, and the other end of the blow tube 43 is tapered and is arranged close to the abutting part of the scraper 22 and the screw 5.
When the scraper 22 performs rust removal on the screw 5, rust in the thread groove 521 is attached to the scraper 22 or falls onto the screw 5 again, and at this time, the driving rod 347 can drive the rotating shaft 42 to rotate through the cooperation of the second synchronizing wheel and the second synchronizing belt 44 while the screw 5 rotates, so that the blade 45 is driven to rotate to generate wind power, and the wind power is guided by the blowing pipe 43 to blow the scrap iron away from the screw 5 and the scraper 22.
The implementation principle of the screw heat treatment cleaning process provided by the embodiment of the application is as follows: the screw 5 passes through the rust removing mechanism 2, the chip blowing mechanism 4 and the deburring mechanism 3 in sequence, the rust removing mechanism 2 is used for removing rust on the screw 5, the chip blowing mechanism 4 is used for blowing rust removed by the rust removing mechanism 2 away from the screw 5 and the scraper 22, and the deburring mechanism 3 is used for removing burrs on the surface of the screw 5.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (7)
1. The screw heat treatment cleaning process is characterized by comprising the following steps of:
s1, deburring and preliminary rust removal are carried out on the surface of a screw (5) by using cleaning equipment, and degreasing and rust removal are carried out on the surface of the screw (5) by using cleaning agents;
s2, preheating: carrying out two-stage preheating on the screw (5), wherein the first stage temperature is 500-550 ℃ for 10 minutes, the second stage temperature is 750-850 ℃ for 15-20 minutes;
s3, quenching treatment: heating the screw (5) to 700-800 ℃ in a furnace, preserving heat for 20-30 minutes, and discharging the screw (5) from the furnace for oil cooling;
s4, high-temperature tempering treatment: heating the screw (5) to 500-550 ℃ in a furnace, preserving heat for 40-60 minutes, discharging the screw (5) from the furnace, and cooling with water;
The cleaning equipment in the step S1 comprises a workbench (1), a rust removing mechanism (2) and a deburring mechanism (3), wherein the rust removing mechanism (2) is arranged on the workbench (1), the rust removing mechanism (2) comprises a first driving piece (24), a bearing block (23) and a scraper (22), the bearing block (23) and the scraper (22) are connected to the workbench (1) in a sliding mode, the first driving piece (24) is used for driving the bearing block (23) and the scraper (22) to clamp the screw (5), and the scraper (22) is used for being embedded into a thread groove (521) of the screw (5) and scraping rust in the thread groove (521) along the rotation direction of the thread groove (521) along with the rotation of the screw (5);
The deburring mechanism (3) comprises a second driving part (32), a third driving part (34) and a brush wheel (31), wherein the workbench (1) is connected with a moving block (33) in a sliding mode along the axis direction perpendicular to the screw (5), the brush wheel (31) is rotationally connected to the moving block (33), the second driving part (32) drives the brush wheel (31) to move towards one side of the screw (5) to be abutted to the screw (5), the third driving part (34) drives the brush wheel (31) to rotate on the moving block (33), the deburring mechanism (3) is located on one side of the rust removing mechanism (2), and the brush wheel (31) is used for deburring the screw (5) after rust removal.
2. The screw heat treatment cleaning process according to claim 1, wherein: the number of the brush wheels (31) is two, and the two brush wheels (31) are respectively positioned at two sides of the screw (5) to perform deburring treatment on the screw (5).
3. The screw heat treatment cleaning process according to claim 1, wherein: still include driving piece IV (13), the slip direction sliding connection who is perpendicular to scraper (22) on workstation (1) has and removes seat (11), it is connected with three jaw chuck (12) to remove to rotate on seat (11), the axis direction of three jaw chuck (12) is on a parallel with the slip direction who removes seat (11), three jaw chuck (12) are used for centre gripping screw (5) to keep away from the one end of screw groove (521), driving piece IV (13) drive three jaw chuck (12) rotate.
4. A screw heat treatment cleaning process according to claim 3, characterized in that: the driving piece IV (13) is a first motor (131), the first motor (131) is fixed on the movable seat (11), and an output shaft of the first motor (131) is coaxially and fixedly connected to the three-jaw chuck (12);
The driving part III (34) comprises a first rod (341), a second rod (342), a driving rod (347), a first synchronous belt (344), a first bevel gear (345), two first synchronous wheels (343), a second bevel gear (346), a third bevel gear (348), a fourth bevel gear (349) and the driving rod (347), wherein the second rod (342) is rotationally connected in the workbench (1), the axial direction of the second rod (342) is parallel to the sliding direction of the movable seat (11), the first rod (341) is coaxially and slidingly connected on the second rod (342), the first rod (341) is simultaneously rotationally connected on the workbench (1), the two first synchronous wheels (343) are respectively and fixedly connected on the first rod (341) and the output shaft of the first motor (131), and the first synchronous belt (344) is wound on the two first synchronous wheels (343);
The movable block (33) is located on one side of the second rod (342), the first bevel gear (345) is fixedly connected to the second rod (342) in a coaxial mode, the driving rod (347) is connected to the workbench (1) in a rotating mode, the axis direction of the driving rod (347) is parallel to the sliding direction of the movable block (33), the second bevel gear (346) is fixedly connected to the driving rod (347) in a coaxial mode, the second bevel gear (346) is meshed with the first bevel gear (345), the driving rod (347) is arranged in the movable block (33) in a penetrating mode and is movably connected to the corresponding movable block (33), the third bevel gear (348) is connected to the corresponding driving rod (347) in a sliding mode in the axis direction of the driving rod (347), the third bevel gear (348) is located in the movable block (33) and connected to the movable block (33) in a rotating mode, the fourth bevel gear (349) is fixedly connected to the brush wheel (31) in a coaxial mode, and the fourth bevel gear (349) is located in the movable block (33) and is meshed with the corresponding third bevel gear (348).
5. The screw heat treatment cleaning process according to claim 4, wherein: still including blowing bits mechanism (4), it is located between rust cleaning mechanism (2) and the deburring mechanism (3) to blow bits mechanism (4), it includes casing (41), pivot (42), blowpipe (43), second hold-in range (44), two second synchronizing wheels and a plurality of blade (45) to blow bits mechanism (4), casing (41) set up on workstation (1), pivot (42) rotate and connect on casing (41), a plurality of blade (45) distribute on pivot (42) along the circumference direction of pivot (42), casing (41) cover is established on a plurality of blade (45), pivot (42) are parallel arrangement each other with the circumference direction of drive wheel, and two second synchronizing wheels coaxial fixed connection are on pivot (42) and drive pole (347) respectively, second synchronizing belt (44) are rolled up on two second synchronizing wheels, one end intercommunication casing (41) of blowpipe (43), the other end of blowpipe (43) is close to (22) and is used for blowing out screw (5) from the butt of blowpipe (22).
6. The screw heat treatment cleaning process according to claim 1, wherein: an arc-shaped groove (231) which is concave towards one side far away from the scraper (22) is formed in the side face of the bearing block (23) towards the scraper (22).
7. The screw heat treatment cleaning process according to claim 6, wherein: when no external force acts on the rust removing mechanism (2), an insertion gap (25) for the end part of the screw (5) to extend in is reserved between the scraper (22) and the bearing block (23), and the axis of the screw (5) extends to the insertion gap (25).
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| CN202210062555.3A CN114406835B (en) | 2022-01-19 | 2022-01-19 | Screw heat treatment cleaning process |
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| CN115889905A (en) * | 2022-12-05 | 2023-04-04 | 河北天越激光再制造科技有限公司 | Bolt cleaning equipment convenient to rust cleaning to screw thread fast |
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