CN102816915B - Semiautomatic streamline type production system and method for high-strength threaded steel bar - Google Patents
Semiautomatic streamline type production system and method for high-strength threaded steel bar Download PDFInfo
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- CN102816915B CN102816915B CN201210303188.8A CN201210303188A CN102816915B CN 102816915 B CN102816915 B CN 102816915B CN 201210303188 A CN201210303188 A CN 201210303188A CN 102816915 B CN102816915 B CN 102816915B
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Abstract
The invention discloses a semiautomatic streamline type production system and method for a high-strength threaded steel bar and relates to a production system and method for the high-strength threaded steel bar. The production system comprises a centerless lathe, a screw rolling machine and a heat treatment system, wherein the centerless lathe is connected together with the screw rolling machine through an automatic joining device; and the screw rolling machine is connected together with the heat treatment system through an automatic discharging mechanism of the screw rolling machine. The method comprises the steps of feeding S1 blanking, S2 turning, S3 roll threading, S4 heat treatment and S5checking. According to the semiautomatic streamline type production system and method disclosed by the invention, the production efficiency can be increased, the cost of products is reduced and the quality of the products is ensured; and the semiautomatic streamline type production system and method are suitable for producing the high-strength threaded steel bars with the diameter being 50-80mm and the length being 12m.
Description
Technical field
The present invention relates to semi-automatic pipeline system production system and the method thereof of a kind of production system and method thereof of high-strength screw-thread steel rod, particularly a kind of high-strength screw-thread steel rod.
Background technology
High-strength screw-thread steel rod is a kind of novel prefabricated concrete structural steel muscle, because it has the advantages that intensity is high, can spin, solve high strength cast iron and be difficult for the difficult problem that welding lengthens, and this high-strength screw-thread steel rod also has connection, anchoring is easy, clinging power is strong, stretch-draw anchor is safe and reliable, the advantages such as easy construction, be widely used in through beam and large-scale skeleton construction in large hydraulic engineering, industry and covil construction, in the construction and rock anchorage of the engineerings such as highway, railway wide span bridge, Nuclear power plants and earth anchor.
The production method of existing high-strength screw-thread steel rod is mainly divided following two kinds:
1. after machining, with quenching technology, produce high-strength screw-thread steel rod: produce at present the process for machining method of high-strength deformed steel bar rod mainly: by engine lathe processing work cylindrical and screw thread, make workpiece reach the dimensional precision of desired product.The main deficiency of this process for machining method is: working (machining) efficiency is low, and labour intensity is large, and more crucial is that this processing method is limited by machine tool structure, and the length of processing work can not exceed 5 meters.And after machining at present, the heat-treatment technology method of high-strength deformed steel bar rod mainly contains two kinds, one is after hot rolling, to wear water to realize quenching, and by the tempering of self-tempering mode, this processing method quench-hardened case is very thin, conventionally only have several millimeters, cannot production yield strength exceed the product of 830MPa rank; After another kind is heating steel billet rolled hardening, send into the tempering of tempering line, this processing method easily causes Quenching Soaking Time inadequate, and rolling Heating temperature is too high, causes coarse grains, can influence of rolled performance and rolling temperature is too low, thus affect the mechanical properties.
2, adopt continuously casting and continuously rolling technology to produce screw thread rod iron: this processing method is when steel mill's casting rolling blank; by screw thread rolling out, technical process is: the rear control of converter smelting → ladle vanadium micro-alloying → LF refining → full guard casting → steel billet inspection → process furnace heating → controlled rolling → roll is cooling.But the screw thread rod iron that this processing method is produced is discontinuous screw, and thread surface defect is difficult to eliminate, and causes the final performance of product to be difficult to guarantee.
Summary of the invention
The technical problem to be solved in the present invention is: semi-automatic pipeline system production system and method thereof that a kind of high-strength screw-thread steel rod is provided, to enhance productivity, guarantee quality product, and can production major diameter, length can exceed the high-strength screw-thread steel rod of 5 meters.
The technical scheme solving the problems of the technologies described above is: a kind of semi-automatic pipeline system production system of high-strength screw-thread steel rod, it is characterized in that: this system comprises Centreless lathe, thread rolling machine, heat treatment system, between described Centreless lathe and thread rolling machine, by automatic connecting device, link together, between described thread rolling machine and equipment for Heating Processing, by thread rolling machine automatic material blanking mechanism, link together.
Further technical scheme of the present invention is: described automatic connecting device comprises the discharge rack, transfer material toggling frame and the feeding rack that link together side by side successively, and described discharge rack is connected with the discharge port of Centreless lathe, and feeding rack is connected with the opening for feed of thread rolling machine; Described discharge rack comprises support, drive-motor A and driving rolls A, described support comprises crossbeam, is arranged on the rack leg of crossbeam bottom, drive-motor A is arranged on one end of support, described driving rolls A is parallel across being arranged on the crossbeam of support by turning rolls, and this driving rolls A is connected with the output terminal of drive-motor A by transmission rig; Described transfer material toggling frame comprises storage rack and is arranged on respectively discharging a rod for stiring materials, charging a rod for stiring materials of storage rack both sides, described discharging a rod for stiring materials, charging a rod for stiring materials are connected with driving cylinder respectively, and discharging a rod for stiring materials is connected with discharge rack, charging a rod for stiring materials is connected with feeding rack; Described feeding rack comprises bracing frame, drive-motor B, driving rolls B, turns round and help mechanism and lift cylinder, and described bracing frame comprises bracing frame crossbeam, is arranged on the bracing frame leg of bracing frame crossbeam bottom; Described drive-motor B is arranged on one end of bracing frame, and described driving rolls B is arranged on driving rolls frame, and driving rolls frame is by web plate across being arranged on bracing frame crossbeam, and driving rolls B is connected with the output terminal of drive-motor B by transmission rig; Described revolution helps mechanism to be arranged on bracing frame crossbeam; The described cylinder that lifts is arranged in bracing frame crossbeam, and the external part that lifts cylinder stretches out outside bracing frame crossbeam and is connected with driving rolls frame by web plate; Described driving rolls B is also provided with support roller on one side, and this support roller is the both sides that are axially arranged on bracing frame crossbeam along bracing frame crossbeam by turning rolls.
Further technical scheme of the present invention is: described revolution helps mechanism comprise support frame, briquetting and help cylinder, described support frame bottom is fixedly mounted on bracing frame crossbeam, described support cylinder and the described briquetting that can slide up and down along support frame are installed on support frame, the top of briquetting is connected with the external part of helping cylinder, and the bottom of briquetting is provided with the deep-slotted chip breaker matching with workpiece profile.
Further technical scheme of the present invention is: described thread rolling machine automatic material blanking mechanism comprises bracing frame, storage rack, blanking device, pay-off and pressing device, rolls materials device, and described bracing frame comprises the rectangle crossbeam of hollow, is arranged on the supporting leg of rectangle crossbeam bottom; Described storage rack is arranged on bracing frame one side, described pay-off and pressing device are arranged on respectively on bracing frame, described blanking device comprises blanking rack, blanking cylinder, blanking rack one end is connected with the discharge port of thread rolling machine, inductor block is installed in blanking rack, one end of blanking cylinder is fixed on storage rack, and the other end of blanking cylinder is connected with blanking rack by linkage assembly.
Further technical scheme more of the present invention is: described pay-off comprises feeding motor, material-feeding rolling wheels, material lift cylinder, described feeding motor is fixedly mounted on the bottom of rectangle crossbeam, the output terminal of feeding motor is connected with material-feeding rolling wheels by transmission mechanism, described material-feeding rolling wheels is arranged on material-feeding rolling wheels frame, material-feeding rolling wheels frame by mounting plate across being arranged on rectangle crossbeam, described material lift cylinder is arranged in rectangle crossbeam, and the external part of material lift cylinder stretches out outside rectangle crossbeam and is connected with material-feeding rolling wheels frame by mounting plate; Described pressing device comprises material-pressing rack, binder block, binder cylinder, described material-pressing rack bottom is fixedly mounted on rectangle crossbeam, described binder cylinder and the described binder block that can move up and down along material-pressing rack are installed on material-pressing rack, the top of binder block is connected with the external part of binder cylinder, and the bottom of binder block is provided with the deep-slotted chip breaker matching with workpiece profile; The described materials device that rolls comprises oblique wheel carrier and is arranged on the oblique roller on oblique wheel carrier, and described oblique wheel carrier is axially arranged on rectangle crossbeam along rectangle crossbeam; Described blanking cylinder, material lift cylinder, binder cylinder are connected with automatic control system that can control cylinder synchronization action respectively.
Further technical scheme of the present invention is: described heat treatment system is the online heat treatment system of intermediate frequency, the online heat treatment system of this intermediate frequency comprises successively connected mid-frequency induction hardening equipment, Medium frequency induction tempering equipment and on-line heating blackout painting anticorrosion device, the opening for feed of described mid-frequency induction hardening equipment is connected with and shifts roller-way and traversing platform, and described on-line heating blackout painting anticorrosion device discharge port is connected with cold bed, described on-line heating blackout painting anticorrosion device comprises fluid storage tank body, support, precooling unit, secondary spray infusion system, the auxiliary finishing system of sealing, described support is fixed on fluid storage tank body top, in fluid storage tank body, is divided into pre-cooling zone, secondary spray soak zone and the auxiliary coating area of sealing successively by large baffle I, large baffle II, described precooling unit is arranged in pre-cooling zone, this precooling unit comprises spray circle I, transfer lime I, variable valve I, displacer I and union lever I, described variable valve I is arranged in transfer lime I, transfer lime I is connected with spray circle I, union lever I bottom is connected with spray circle I, union lever I upper end is arranged in displacer I by displacement set screw, and displacer I is rack-mount by thrust screw, and the fluid storage tank body bottom of pre-cooling zone has leakage fluid dram I, described secondary spray infusion system is arranged in the secondary spray soak zone of fluid storage tank body, this secondary spray infusion system comprises large spray equipment, little spray equipment and immersion part, described large spray equipment comprises large spray circle, 2 transfer lime II, 2 variable valve II, displacer II and union lever II, 2 described variable valve II are arranged on respectively in 2 transfer lime II, 2 transfer lime II are all connected with large spray circle, union lever II bottom is connected with large spray circle, union lever II upper end is arranged in displacer II by displacement set screw, displacer II is rack-mount by thrust screw, described little spray equipment comprises little spray circle, transfer lime III, variable valve III, displacer III and union lever III, described variable valve III is arranged in transfer lime III, transfer lime III is connected with little spray circle, union lever III bottom is connected with little spray circle, union lever III upper end is arranged in displacer III by displacement set screw, displacer III is rack-mount by thrust screw, in the fluid storage tank body of described large spray equipment and little spray equipment both sides, be provided with small baffle I and small baffle II, small baffle I, between small baffle II and fluid storage tank body, form and soak part, fluid storage tank body bottom between described small baffle I and small baffle II has main leakage fluid dram, fluid storage tank body bottom between small baffle I and large baffle I has auxiliary leakage fluid dram I, fluid storage tank body bottom between small baffle II and fluid storage tank body rear end also has auxiliary leakage fluid dram II, the auxiliary finishing system of described sealing is arranged in the auxiliary coating area of sealing of fluid storage tank body, the auxiliary finishing system of described sealing comprises spray circle II, transfer lime IV, variable valve IV, displacer IV and union lever IV, described variable valve IV is arranged in transfer lime IV, transfer lime IV is connected with spray circle II, union lever IV bottom is connected with spray circle II, union lever IV upper end is arranged in displacer IV by displacement set screw, displacer IV is rack-mount by thrust screw, and the fluid storage tank body bottom of the auxiliary coating area of sealing has leakage fluid dram II, described auxiliary leakage fluid dram II is between small baffle II and large baffle II, in the auxiliary coating area of sealing of described fluid storage tank body, be also provided with air shooter, air shooter exit is provided with valve.
Further technical scheme more of the present invention is: described Centreless lathe is numerical control Centreless lathe; This Centreless lathe is with connecting device, thread rolling machine, thread rolling machine automatic material blanking mechanism, heat treatment system are in turn connected into semi-enclosed U-shaped structure automatically.
Another technical scheme of the present invention is: a kind of semi-automatic pipeline system production method of high-strength screw-thread steel rod, the method is a kind of method that adopts the semi-automatic pipeline system production system of above-mentioned high-strength screw-thread steel rod to process high-strength screw-thread steel rod, comprises the following steps:
S1. blanking: round steel is pressed to fixed-length segmental blanking, obtain rod iron blank;
S2. turning: adopt Centreless lathe to carry out turning to rod iron blank, make rod iron work in-process;
S3. roll threading: on thread rolling machine, rod iron work in-process are carried out to rolled thread, make screw thread rod iron work in-process;
S4. thermal treatment: the online heat treatment system double thread of employing intermediate frequency rod iron work in-process are heat-treated, blackening process, obtain high-strength screw-thread steel rod product;
S5. check, put in storage: high-strength screw-thread steel rod product is tested, warehousing after passing.
Further technical scheme of the present invention is: described step S3. roll threading comprises following particular content:
S3.1. material loading: the rod iron work in-process of the good cylindrical of car drive by the driving rolls A automatic connecting device discharge rack from the discharge port of not being in the mood for car, complete the blanking of not being in the mood for car; Then by discharging a rod for stiring materials of the transfer material toggling frame of automatic connecting device, rod iron work in-process are delivered on storage rack; Complete after transfer storing, by charging a rod for stiring materials of transfer material toggling frame, rod iron work in-process are delivered on the feeding rack being connected with thread rolling machine opening for feed, realize the material loading of thread rolling machine;
S3.2. feeding: by helping cylinder action, the revolution support mechanism of closing automatic connecting device, by lifting cylinder, driving rolls B and the rod iron work in-process entirety that is positioned on driving rolls B are mentioned again, drive-motor B drives driving rolls B, realizes the feeding feeding of rod iron work in-process to thread rolling machine;
S3.3. rolled thread: when rod iron work in-process head enters 2/3 length of thread rolling die, drive-motor B stops operating, lifting the piston retraction of cylinder transfers driving rolls B, rely on the support roller of automatic connecting device to play a supportive role to rod iron work in-process, start thread rolling machine, rod iron work in-process are carried out to continuous rolled thread, make screw thread rod iron work in-process;
S3.4. blanking: the binder cylinder action of the pressing device of thread rolling machine automatic material blanking mechanism, realize binder, material-feeding rolling wheels and screw thread rod iron work in-process are lifted in the material lift cylinder action of pay-off, feeding electric machine rotation, drive material-feeding rolling wheels that screw thread rod iron work in-process are sent to and are moved ahead, until screw thread rod iron work in-process, completely from the thread rolling die of thread rolling machine, exit and enter after blanking rack, lift the binder cylinder of all pressing devices, realize loose metal, now under inductor block effect, the blanking cylinder action of blanking device, realizes automatic blanking.
Further technical scheme of the present invention is: described step S4. thermal treatment comprises following particular content:
S4.1. material loading:
Transfer roller-way and traversing platform by heat treatment system are delivered to mid-frequency induction hardening equipment by screw thread rod iron work in-process;
S4.2. quench and heat:
Screw thread rod iron work in-process are carried out to the heating of M+N level induction quenching, and front M level is preheating heating, and adds and hanker in the preheating of front M level, controls screw thread rod iron work in-process higher 20 ~ 50 ℃ than previous stage temperature in the temperature of rear one-level; Rear N level is Heat preservation, 700 ~ 850 ℃ of the temperature of control quenching preheating zone, and 820 ~ 950 ℃ of the temperature in quenching and preserving heat district, the heating gait of march of quenching 0.2 ~ 0.5m/min, screw thread rod iron is 4 ~ 12min by the time in quenching and preserving heat district;
S4.3. quench:
Screw thread rod iron work in-process out enter spray circle in 30s from quenching and preserving heat district cooling, carry out quench treatment, cooling with the speed of cooling of 50 ~ 100 ℃/s, control out 60 ~ 100 ℃ of the temperature of spray circle refrigerating unit;
S4.4. tempering:
Screw thread rod iron work in-process after quench treatment are transported to Medium frequency induction tempering equipment and carry out temper, 3 ~ 5 grades of induction tempering heating are carried out in tempering, with the gait of march of 0.2 ~ 0.5m/min, pass through induction heating district, control 500 ~ 650 ℃ of tempering temperatures;
S4.4. blackout:
Screw thread rod iron work in-process after temper are delivered to on-line heating blackout painting anticorrosion device, heat blackout rotproofing, the temperature that control workpiece enters on-line heating blackout painting anticorrosion device is 300 ~ 550 ℃, and control workpiece goes out the temperature of on-line heating blackout painting anticorrosion device in 100 ℃;
S4.5. pack, deposit: on cold bed, after wire wrapping, roll off the production line and deposit;
The value of above-mentioned M can be arbitrary integer in 1 ~ 4, and the value of N can be arbitrary integer in 1 ~ 3, requires arbitrary integer in M+N=3 ~ 6.
Owing to adopting said structure, the semi-automatic pipeline system production system of the present invention's high-strength screw-thread steel rod and method thereof compared with prior art, have following beneficial effect:
1. can enhance productivity, reduce product cost:
Because the semi-automatic pipeline system production system of high-strength screw-thread steel rod of the present invention comprises Centreless lathe, thread rolling machine, heat treatment system, wherein between Centreless lathe and thread rolling machine, by automatic connecting device, link together, between described thread rolling machine and equipment for Heating Processing, by thread rolling machine automatic material blanking mechanism, link together.Therefore, each inter process of the present invention is by the automatic linking of automatic connecting device, thread rolling machine automatic material blanking mechanism, can realize the semi-automation of the continuous high strength screw product of big-length produces continuously, and whole process does not need manual operation, artificial participation is less, its labour intensity is little, and production efficiency is high.
In addition, the semi-automatic pipeline system production system of high-strength screw-thread steel rod of the present invention adopts U-shaped layout, this layout forms a closed loop to workpiece processing circulation, non-cutting time and the costs such as transportation in high-strength screw-thread steel rod production process, transhipment, circulation have been reduced, not only further improved production efficiency, also greatly reduce products production cost, improved the competitiveness of product in market.
2. quality product is high:
Because the present invention can realize continuously uninterrupted processing, in the course of processing, processing parameter is stable, and therefore, to processed high strength screw thread high conformity, dimensional precision is high, and its quality product is higher.
In addition, the automatic connecting device adopting due to the present invention can smooth and easyly complete processing excircles and rolled thread moulding two procedures linking processing, and by adopting transfer material toggling frame, can change high-strength screw-thread steel rod in prior art and add inter process in the man-hour present situation of handling workpiece repeatedly, avoid easily causing the problem of deflection deformation, guaranteed the specification of quality of rolled thread processing.
In addition, in the thermal treatment process of the semi-automatic pipeline system production method of the present invention's high-strength screw-thread steel rod, adopt stepped heating, through heating-Re, transmit-reheat-heat transmission again, so repeatedly, thereby reach the effect of through heating, make steel billet homogeneity of structure better, reach heart portion and textura epidermoidea basically identical; Reach after holding temperature, then transmit alternation effect through certain heating and heat, keep steel billet to have enough soaking times, then carry out quench treatment.Thereby guarantee good quenching structure, homogeneity of structure is good.Have darker hardened layer, yield strength is high, constant product quality, and mechanical property is good.Therefore, quality product of the present invention is higher.
3. can be suitable for the high-strength screw-thread steel rod that processing diameter is large, length is grown:
The automatic connecting device adopting between Centreless lathe and thread rolling machine due to the present invention is by the structure design of transfer material toggling frame, be aided with simultaneously idler wheel driving start building part mechanism design and revolution help feeding structure mode design, can realize the automatic loading/unloading of long pole processing and the functional effect of the automatic transfer linking of material that length is grown, can complete swimmingly processing excircles and rolled thread moulding two procedures and be connected processing.
And by the product after working method thermal treatment of the present invention, it organizes crystal grain tiny evenly, is more suitable for the workpiece of production large section size, the high-strength screw-thread steel of producing rod intensity, toughness level index are higher.Usually, the high-strength screw-thread steel diameter that the present invention produces can be in 50 to 80 millimeter, and length can reach 12 meters of left and right.
Therefore, the present invention has processing flexibility large, and adaptability is good, not only can be suitable for processing conventional high-strength screw-thread steel rod, is also suitable for processing major diameter, length can exceed the high-strength screw-thread steel rod of 5 meters.
Below, the semi-automatic pipeline system production system of the high-strength screw-thread steel rod to the present invention and the technical characterictic of method thereof are further described in conjunction with the accompanying drawings and embodiments.
Accompanying drawing explanation
The structural representation of the semi-automatic pipeline system production system of the high-strength screw-thread steel rod of the present invention described in Fig. 1: embodiment mono-;
The structural representation of automatic connecting device described in Fig. 2: embodiment mono-;
The structural representation of the discharge rack of automatic connecting device described in Fig. 3～Fig. 5: embodiment mono-,
Fig. 3: front view, the left view of Fig. 4: Fig. 3, the vertical view of Fig. 5: Fig. 3;
The structural representation of the transfer material toggling frame of automatic connecting device described in Fig. 6: embodiment mono-;
The structural representation of the feeding rack of automatic connecting device described in Fig. 7～Figure 10: embodiment mono-,
Fig. 7: front view, the vertical view of Fig. 8: Fig. 7, the left view of Fig. 9: Fig. 7,
The M portion enlarged view of Figure 10: Fig. 9;
The structural representation of thread rolling machine automatic material blanking mechanism described in Figure 11～Figure 12: embodiment mono-,
Figure 11: front view, the left view of Figure 12: Figure 11;
The structural representation of on-line heating blackout painting anticorrosion device described in Figure 13: embodiment mono-;
The schema of the semi-automatic pipeline system production method of the high-strength screw-thread steel rod of the present invention described in Figure 14: embodiment bis-;
The schema of step S3 roll threading described in Figure 15: embodiment bis-;
The heat treated schema of step S4 described in Figure 16: embodiment bis-;
In above-mentioned accompanying drawing, the label of each component is as follows:
1-Centreless lathe, the automatic connecting device of 2-, 21-discharge rack, 211-support,
2111-crossbeam, 2112-rack leg, 212-drive-motor A, 213-driving rolls A,
22-transfer material toggling frame, 221-discharging a rod for stiring materials, 222-storage rack, 223-charging a rod for stiring materials,
23-feeding rack, 231-bracing frame, 2311-bracing frame crossbeam, 2312-bracing frame leg,
232-drive-motor B, 233-driving rolls B, mechanism is helped in 234-revolution, 2341-support frame,
2342-briquetting, 2343-helps cylinder, and 235-lifts cylinder, 236-support roller,
3-thread rolling machine, 4-thread rolling machine automatic material blanking mechanism, 41-bracing frame, 411-rectangle crossbeam,
412-supporting leg, 42-storage rack, 43-blanking device, 431-blanking rack,
432-blanking cylinder, 433-inductor block, 434-linkage assembly, 44-pay-off,
441-feeding motor, 442-material-feeding rolling wheels, 443-material lift cylinder, 444-transmission mechanism,
45-pressing device, 451-material-pressing rack, 452-binder block, 453-binder cylinder,
46-rolls materials device, the oblique wheel carrier of 461-, and the oblique roller of 462-, 5-equipment for Heating Processing,
51-mid-frequency induction hardening equipment, 52-Medium frequency induction tempering equipment, 53-on-line heating blackout painting anticorrosion device,
531-fluid storage tank body, 532-dowel, 533-support, 534-spray circle I,
535-variable valve I, 536-displacer I, 537-displacement set screw, 538-union lever I,
539-transfer lime I, 5310-variable valve II, 5311-transfer lime II, 5312-displacer II,
5313-displacement set screw, 5314-union lever II, 5315-variable valve III, 5316-displacer III,
5317-displacement set screw, 5318-transfer lime III, 5319-union lever III, 5320-variable valve IV,
5321-union lever IV, 5322-displacement set screw, 5323-displacer IV, 5324-transfer lime IV,
5325-air shooter, 5326-valve, 5327-leakage fluid dram II, 5328-spray circle II,
5329-large baffle II, the auxiliary leakage fluid dram II of 5330-, 5331-small baffle II, the little spray circle of 5332-,
The large spray circle of 5333-, the main leakage fluid dram of 5334-, 5335-small baffle I, the auxiliary leakage fluid dram I of 5336-,
5337-large baffle I, 5338-leakage fluid dram I, 54-shifts roller-way and traversing platform, 55-cold bed.
Embodiment
Embodiment mono-:
Disclosed in Fig. 1 is a kind of semi-automatic pipeline system production system of high-strength screw-thread steel rod, this system comprises Centreless lathe 1, thread rolling machine 3, heat treatment system 5, described Centreless lathe 1 is the conventional numerical control Centreless lathe with numerical control Centreless lathe automatic feed mechanism, between this Centreless lathe 1 and thread rolling machine 3, by automatic connecting device 2, link together, between thread rolling machine 3 and equipment for Heating Processing 5, by thread rolling machine automatic material blanking mechanism 4, link together, whole system forms semi-enclosed U-shaped structure.
Described automatic connecting device 2 forms (referring to Fig. 2) by the discharge rack 21 linking together side by side successively, transfer material toggling frame 22 and feeding rack 23, and described discharge rack 21 is connected with the discharge port of Centreless lathe 1, and feeding rack 23 is connected with the opening for feed of thread rolling machine 3; Described discharge rack 21 comprises that support 211, drive-motor A212 and driving rolls A213(are referring to Fig. 3～Fig. 5), described support 211 comprises crossbeam 2111, is arranged on the rack leg 2112 of crossbeam 2111 bottoms, drive-motor A212 is arranged on one end of support 211, described driving rolls A213 is parallel across being arranged on the crossbeam 2111 of support by turning rolls, and this driving rolls A213 is connected with the output terminal of drive-motor A212 by transmission rig; Described transfer material toggling frame 22 comprises storage rack 222 and is arranged on respectively discharging a rod for stiring materials 221 of storage rack 222 both sides, charging a rod for stiring materials 223(referring to Fig. 6), described discharging a rod for stiring materials 221, charging a rod for stiring materials 223 are connected with driving cylinder respectively, and discharging a rod for stiring materials 221 is connected with discharge rack 21, charging a rod for stiring materials 223 is connected with feeding rack 23; Described feeding rack 23 comprises bracing frame 231, drive-motor B232, driving rolls B233, revolution support mechanism 234 and lifts cylinder 235(referring to Fig. 7～Figure 10), described bracing frame 231 comprises bracing frame crossbeam 2311, is arranged on the bracing frame leg 2312 of bracing frame crossbeam 2311 bottoms; Described drive-motor B232 is arranged on one end of bracing frame 231, described driving rolls B233 is arranged on driving rolls frame, driving rolls frame is by web plate across being arranged on bracing frame crossbeam 2311, and driving rolls B233 is connected with the output terminal of drive-motor B232 by transmission rig; Described revolution helps mechanism 234 to be arranged on bracing frame crossbeam 2311; The described cylinder 235 that lifts is arranged in bracing frame crossbeam 2311, and the external part that lifts cylinder 235 stretches out outside bracing frame crossbeam 2311 and is connected with driving rolls frame by web plate; Described driving rolls B233 is also provided with support roller 236 on one side, and this support roller 236 is the both sides that are axially arranged on bracing frame crossbeam 2311 along bracing frame crossbeam 2311 by turning rolls.Described revolution helps mechanism 234 comprise support frame 2341, briquetting 2342 and help cylinder 2343, described support frame 2341 bottoms are fixedly mounted on bracing frame crossbeam 2311, the described briquetting 2342 that described support cylinder 2343 is installed on support frame 2341 and can slides up and down along support frame 2341, the top of briquetting 2342 is connected with the external part of helping cylinder 2343, and the bottom of briquetting 2342 is provided with the deep-slotted chip breaker matching with workpiece profile.
Described thread rolling machine automatic material blanking mechanism 4 comprises bracing frame 41, storage rack 42, blanking device 43, pay-off 44 and pressing device 45, rolls materials device 46(referring to Figure 11～Figure 12), described bracing frame 41 comprises the rectangle crossbeam 411 of hollow, is arranged on the supporting leg 412 of rectangle crossbeam 411 bottoms; Described storage rack 42 is arranged on bracing frame 41 1 sides, described pay-off 44 and pressing device 45 are arranged on respectively on bracing frame 41, described blanking device 43 comprises blanking rack 431, blanking cylinder 432, blanking rack 431 one end are connected with the discharge port of thread rolling machine, inductor block 433 is installed in blanking rack 431, one end of blanking cylinder 432 is fixed on storage rack 41, and the other end of blanking cylinder 432 is connected with blanking rack 431 by linkage assembly 434.Described pay-off 44 comprises feeding motor 441, material-feeding rolling wheels 442, material lift cylinder 443, described feeding motor 441 is fixedly mounted on the bottom of rectangle crossbeam 411, the output terminal of feeding motor 441 is connected with material-feeding rolling wheels 442 by transmission mechanism 444, described material-feeding rolling wheels 442 is arranged on material-feeding rolling wheels frame, material-feeding rolling wheels frame by mounting plate across being arranged on rectangle crossbeam 411, described material lift cylinder 443 is arranged in rectangle crossbeam 411, and the external part of material lift cylinder 443 stretches out outside rectangle crossbeam 411 and is connected with material-feeding rolling wheels frame by mounting plate; Described pressing device 45 comprises material-pressing rack 451, binder block 452, binder cylinder 453, described material-pressing rack 452 bottoms are fixedly mounted on rectangle crossbeam 411, the described binder block 452 that described binder cylinder 453 is installed on material-pressing rack 451 and can moves up and down along material-pressing rack 451, the top of binder block 452 is connected with the external part of binder cylinder 453, and the bottom of binder block 452 is provided with the deep-slotted chip breaker matching with workpiece profile; The described materials device 46 that rolls comprises oblique wheel carrier 461 and is arranged on the oblique roller 462 on oblique wheel carrier 461, and described oblique wheel carrier 461 is axially arranged on rectangle crossbeam 411 along rectangle crossbeam 411; Above-mentioned blanking cylinder 432, material lift cylinder 443, binder cylinder 453 are connected with automatic control system that can control cylinder synchronization action respectively.
Described heat treatment system 5 is the online heat treatment system of intermediate frequency, the online heat treatment system of this intermediate frequency comprises successively connected mid-frequency induction hardening equipment 51, Medium frequency induction tempering equipment 52 and on-line heating blackout painting anticorrosion device 53, the opening for feed of described mid-frequency induction hardening equipment 51 is connected with and shifts roller-way and traversing platform 54, and described on-line heating blackout painting anticorrosion device 53 discharge ports are connected with cold bed 55.Described on-line heating blackout painting anticorrosion device 53 comprises fluid storage tank body 531, support 533, precooling unit, secondary spray infusion system, the auxiliary finishing system of sealing, described support 533 is fixed on fluid storage tank body top, in fluid storage tank body 531, is divided into pre-cooling zone, secondary spray soak zone and the auxiliary coating area of sealing successively by large baffle I 5337, large baffle II 5329, described precooling unit is arranged in pre-cooling zone, this precooling unit comprises spray circle I 534, transfer lime I 539, variable valve I 535, displacer I 536 and union lever I 538, described variable valve I 535 is arranged in transfer lime I 539, transfer lime I 539 is connected with spray circle I 534, union lever I 538 bottoms are connected with spray circle I 534, union lever I 538 upper ends are arranged in displacer I 536 by displacement set screw 537, displacer I 536 is rack-mount by thrust screw, and the fluid storage tank body bottom of pre-cooling zone has leakage fluid dram I 5338, described secondary spray infusion system is arranged in the secondary spray soak zone of fluid storage tank body, this secondary spray infusion system comprises large spray equipment, little spray equipment and immersion part, described large spray equipment comprises large spray circle 5333, 2 transfer lime II 5311, 2 variable valve II 5310, displacer II 5312 and union lever II 5314, 2 described variable valve II are arranged on respectively in 2 transfer lime II, 2 transfer lime II are all connected with large spray circle, union lever II bottom is connected with large spray circle, union lever II upper end is arranged in displacer II by displacement set screw 5313, displacer II is rack-mount by thrust screw, described little spray equipment comprises little spray circle 5332, transfer lime III 5318, variable valve III 5315, displacer III 5316 and union lever III 5319, described variable valve III is arranged in transfer lime III, transfer lime III is connected with little spray circle, union lever III bottom is connected with little spray circle, union lever III upper end is arranged in displacer III by displacement set screw 5317, displacer III is rack-mount by thrust screw, in the fluid storage tank body of described large spray equipment and little spray equipment both sides, be provided with small baffle I 5335 and small baffle II 5331, small baffle I, between small baffle II and fluid storage tank body, form and soak part, fluid storage tank body bottom between described small baffle I and small baffle II has main leakage fluid dram 5334, fluid storage tank body bottom between small baffle I and large baffle I has auxiliary leakage fluid dram I 5336, fluid storage tank body bottom between small baffle II and fluid storage tank body rear end also has auxiliary leakage fluid dram II 5330, the auxiliary finishing system of described sealing is arranged in the auxiliary coating area of sealing of fluid storage tank body, the auxiliary finishing system of described sealing comprises spray circle II 5328, transfer lime IV 5324, variable valve IV 5320, displacer IV 5323 and union lever IV 5321, described variable valve IV is arranged in transfer lime IV, transfer lime IV is connected with spray circle II, union lever IV bottom is connected with spray circle II, union lever IV upper end is arranged in displacer IV by displacement set screw 5322, displacer IV is rack-mount by thrust screw, the fluid storage tank body bottom of the auxiliary coating area of sealing has leakage fluid dram II 5327, described auxiliary leakage fluid dram II 5330 is between small baffle II 5331 and large baffle II 5329, in the auxiliary coating area of sealing of described fluid storage tank body, be also provided with air shooter 5325, air shooter exit is provided with valve 5326.
Above-mentioned thread rolling machine, automatic control system, mid-frequency induction hardening equipment, Medium frequency induction tempering equipment are known equipment, no longer its structure are described in detail here.
Embodiment bis-:
A kind of semi-automatic pipeline system production method of high-strength screw-thread steel rod, the method is the method that the semi-automatic pipeline system production system of the high-strength screw-thread steel rod described in a kind of embodiment of employing mono-is processed high-strength screw-thread steel rod, comprises the following steps (referring to Figure 14):
S1. blanking: round steel is pressed to fixed-length segmental blanking, obtain rod iron blank;
S2. turning: adopt Centreless lathe to carry out turning to rod iron blank, make rod iron work in-process;
S3. roll threading: on thread rolling machine, rod iron work in-process are carried out to rolled thread, make screw thread rod iron work in-process;
S4. thermal treatment: the online heat treatment system double thread of employing intermediate frequency rod iron work in-process are heat-treated, blackening process, obtain high-strength screw-thread steel rod product;
S5. check, put in storage: high-strength screw-thread steel rod product is tested, warehousing after passing.
Described step S3. roll threading comprises following particular content (referring to Figure 15):
S3.1. material loading: the rod iron work in-process of the good cylindrical of car drive by the driving rolls A212 automatic connecting device discharge rack from the discharge port of not being in the mood for car, complete the blanking of not being in the mood for car; Then by discharging a rod for stiring materials 221 of the transfer material toggling frame of automatic connecting device, rod iron work in-process are delivered on storage rack 222; Complete after transfer storing, by charging a rod for stiring materials of transfer material toggling frame, rod iron work in-process are delivered on the feeding rack 23 being connected with thread rolling machine opening for feed, realize the material loading of thread rolling machine;
S3.2. feeding: by helping cylinder 2343 to move, the revolution support mechanism 234 of closing automatic connecting device, by lifting cylinder 235, driving rolls B233 and the rod iron work in-process entirety that is positioned on driving rolls B are mentioned again, drive-motor B232 drives driving rolls B233, realizes the feeding feeding of rod iron work in-process to thread rolling machine;
S3.3. rolled thread: when rod iron work in-process head enters 2/3 length of thread rolling die, drive-motor B232 stops operating, lifting the piston retraction of cylinder 235 transfers driving rolls B233, rely on the support roller 236 of automatic connecting device to play a supportive role to rod iron work in-process, start thread rolling machine, rod iron work in-process are carried out to continuous rolled thread, make screw thread rod iron work in-process;
S3.4. blanking: the binder cylinder 453 of the pressing device 45 of thread rolling machine automatic material blanking mechanism 4 moves, realize binder, the material lift cylinder 443 of pay-off 44 moves material-feeding rolling wheels 442 and screw thread rod iron work in-process is lifted, feeding motor 441 rotates, drive material-feeding rolling wheels 442 that screw thread rod iron work in-process are sent to and are moved ahead, until screw thread rod iron work in-process, from exiting the thread rolling die of thread rolling machine, enter after blanking rack 431 completely, lift the binder cylinder 453 of all pressing devices, realize loose metal, now under inductor block 433 effects, the blanking cylinder 432 of blanking device moves, realize automatic blanking.
Described step S4. thermal treatment comprises following particular content (referring to Figure 16):
S4.1. material loading:
Transfer roller-way and traversing platform 54 by heat treatment system 5 are delivered to mid-frequency induction hardening equipment 51 by screw thread rod iron work in-process;
S4.2. quench and heat:
Screw thread rod iron work in-process are carried out to the heating of M+N=3 level induction quenching, and front M=2 level is preheating heating, and adds and hanker in the preheating of front M level, controls screw thread rod iron work in-process higher 40 ℃ than previous stage temperature in the temperature of rear one-level; Rear N=1 level is Heat preservation, 700 ~ 750 ℃ of the temperature of control quenching preheating zone, and 820 ~ 850 ℃ of the temperature in quenching and preserving heat district, the heating gait of march of quenching 0.5m/min, screw thread rod iron is 6min by the time in quenching and preserving heat district;
S4.3. quench:
Screw thread rod iron work in-process out enter spray circle in 30s from quenching and preserving heat district cooling, carry out quench treatment, cooling with the speed of cooling of 100 ℃/s, control out 90 ~ 100 ℃ of the temperature of spray circle refrigerating unit;
S4.4. tempering:
Screw thread rod iron work in-process after quench treatment are transported to Medium frequency induction tempering equipment 52 and carry out temper, 3 grades of induction tempering heating are carried out in tempering, with the gait of march of 0.5m/min, pass through induction heating district, control 500 ~ 550 ℃ of tempering temperatures;
S4.4. blackout:
Screw thread rod iron work in-process after temper are delivered to on-line heating blackout painting anticorrosion device 53, heat blackout rotproofing, the temperature that control workpiece enters on-line heating blackout painting anticorrosion device 53 is 300 ℃, and control workpiece goes out the temperature of on-line heating blackout painting anticorrosion device 53 in 100 ℃;
S4.5. pack, deposit: on cold bed, after wire wrapping, roll off the production line and deposit.
Embodiment tri-:
A kind of semi-automatic pipeline system production method of high-strength screw-thread steel rod, the basic step of the method is all with embodiment bis-, institute's difference is: the design parameter that described step S4. thermal treatment relates to is different, and the particular content that this step S4. thermal treatment comprises is as follows:
S4.1. material loading:
Transfer roller-way and traversing platform 54 by heat treatment system 5 are delivered to mid-frequency induction hardening equipment 51 by screw thread rod iron work in-process;
S4.2. quench and heat:
Screw thread rod iron work in-process are carried out to 6 grades of induction quenching heating, first 3 grades is preheating heating, and add and hanker in the preheating of front M level, control screw thread rod iron work in-process higher 20 ℃ than previous stage temperature in the temperature of rear one-level, latter 3 grades is Heat preservation, 760 ~ 850 ℃ of the temperature of control quenching preheating zone, 860 ~ 950 ℃ of the temperature in quenching and preserving heat district, the heating gait of march of quenching 0.2m/min, screw thread rod iron is 10min by the time in quenching and preserving heat district;
S4.3. quench:
Screw thread rod iron work in-process out enter spray circle in 30s from quenching and preserving heat district cooling, carry out quench treatment, cooling with the speed of cooling of 50 ℃/s, control out 50 ~ 80 ℃ of the temperature of spray circle refrigerating unit;
S4.4. tempering:
Screw thread rod iron work in-process after quench treatment are transported to Medium frequency induction tempering equipment 52 and carry out temper, 6 grades of induction tempering heating are carried out in tempering, with the gait of march of 0.2m/min, pass through induction heating district, control 560 ~ 650 ℃ of tempering temperatures;
S4.4. blackout:
Screw thread rod iron work in-process after temper are delivered to on-line heating blackout painting anticorrosion device 53, heat blackout rotproofing, the temperature that control workpiece enters on-line heating blackout painting anticorrosion device 53 is 550 ℃, and control workpiece goes out the temperature of on-line heating blackout painting anticorrosion device 53 in 100 ℃;
S4.5. pack, deposit: on cold bed, after wire wrapping, roll off the production line and deposit.
As the one conversion of embodiment bis-to embodiment tri-, in the poly-S4.2 of step, the value of described M can be arbitrary integer in 1 ~ 4, and the value of N can be arbitrary integer in 1 ~ 3, requires arbitrary integer in M+N=3 ~ 6.
As another conversion of embodiment bis-to embodiment tri-, in the poly-S4.2 of step, the temperature of described quenching preheating zone is generally got 700 ~ 850 ℃, and add and hanker in the preheating of front M level, control screw thread rod iron work in-process general higher 20 ~ 50 ℃ than previous stage temperature in the temperature of rear one-level, the temperature in quenching and preserving heat district is generally got 820 ~ 950 ℃, and the heating gait of march of quenching is generally 0.2 ~ 0.5m/min, and screw thread rod iron is generally 4 ~ 12min by the time in quenching and preserving heat district;
As another conversion of embodiment bis-to embodiment tri-, in the poly-S4.3 of step, described speed of cooling is generally got 50 ~ 100 ℃/s, goes out 60 ~ 100 ℃ of the temperature of spray circle refrigerating unit.
As another conversion of embodiment bis-to embodiment tri-, in the poly-S4.4 of step, 3 ~ 6 grades of induction tempering heating are carried out in described tempering, and described gait of march is generally got 0.2 ~ 0.5m/min, controls tempering temperature and generally gets 500 ~ 650 ℃; In the poly-S4.4 of step, the temperature of described on-line heating blackout painting anticorrosion device 53 is 300 ~ 550 ℃.
Claims (8)
1. the semi-automatic pipeline system production system of a high-strength screw-thread steel rod, it is characterized in that: this system comprises Centreless lathe (1), thread rolling machine (3), heat treatment system (5), between described Centreless lathe (1) and thread rolling machine (3), by automatic connecting device (2), link together, between described thread rolling machine (3) and heat treatment system (5), by thread rolling machine automatic material blanking mechanism (4), link together; Described automatic connecting device (2) comprises the discharge rack (21), transfer material toggling frame (22) and the feeding rack (23) that link together side by side successively, described discharge rack (21) is connected with the discharge port of Centreless lathe (1), and feeding rack (23) is connected with the opening for feed of thread rolling machine (3); Described discharge rack (21) comprises support (211), drive-motor A(212) and driving rolls A(213), described support (211) comprises crossbeam (2111), is arranged on the rack leg (2112) of crossbeam (2111) bottom, drive-motor A(212) be arranged on one end of support (211), described driving rolls A(213) parallel upper across the crossbeam (2111) that is arranged on support by turning rolls, this driving rolls A(213) by transmission rig and drive-motor A(212) output terminal be connected; Described transfer material toggling frame (22) comprises storage rack (222) and is arranged on respectively discharging a rod for stiring materials (221) of storage rack (222) both sides, charging a rod for stiring materials (223), described discharging a rod for stiring materials (221), charging a rod for stiring materials (223) are connected with driving cylinder respectively, and discharging a rod for stiring materials (221) is connected with discharge rack (21), charging a rod for stiring materials (223) is connected with feeding rack (23); Described feeding rack (23) comprises bracing frame (231), drive-motor B(232), driving rolls B(233), revolution helps mechanism (234) and lift cylinder (235), described bracing frame (231) comprises bracing frame crossbeam (2311), be arranged on the bracing frame leg (2312) bottom bracing frame crossbeam (2311); Described drive-motor B(232) be arranged on one end of bracing frame (231), described driving rolls B(233) be arranged on driving rolls frame, driving rolls frame is upper across being arranged on bracing frame crossbeam (2311) by web plate, driving rolls B(233) by transmission rig and drive-motor B(232) output terminal be connected; Described revolution helps mechanism (234) to be arranged on bracing frame crossbeam (2311); The described cylinder (235) that lifts is arranged in bracing frame crossbeam (2311), and the external part that lifts cylinder (235) stretches out outside bracing frame crossbeam (2311) and is connected with driving rolls frame by web plate; Described driving rolls B(233) support roller (236) is also installed on one side, this support roller (236) is the both sides that are axially arranged on bracing frame crossbeam (2311) along bracing frame crossbeam (2311) by turning rolls.
2. the semi-automatic pipeline system production system of high-strength screw-thread steel rod according to claim 1, it is characterized in that: described revolution helps mechanism (234) to comprise support frame (2341), briquetting (2342) and support cylinder (2343), described support frame (2341) bottom is fixedly mounted on bracing frame crossbeam (2311), described support cylinder (2343) and the described briquetting (2342) that can slide up and down along support frame (2341) are installed on support frame (2341), the top of briquetting (2342) is connected with the external part of helping cylinder (2343), the bottom of briquetting (2342) is provided with the deep-slotted chip breaker matching with workpiece profile.
3. the semi-automatic pipeline system production system of high-strength screw-thread steel rod according to claim 1, it is characterized in that: described thread rolling machine automatic material blanking mechanism (4) comprises bracing frame (41), storage rack (42), blanking device (43), pay-off (44) and pressing device (45), rolls materials device (46), described bracing frame (41) comprises the rectangle crossbeam (411) of hollow, is arranged on the supporting leg (412) of rectangle crossbeam (411) bottom; Described storage rack (42) is arranged on bracing frame (41) one sides, described pay-off (44) and pressing device (45) are arranged on respectively on bracing frame (41), described blanking device (43) comprises blanking rack (431), blanking cylinder (432), blanking rack (431) one end is connected with the discharge port of thread rolling machine, inductor block (433) is installed in blanking rack (431), it is upper that one end of blanking cylinder (432) is fixed on storage rack (42), and the other end of blanking cylinder (432) is connected with blanking rack (431) by linkage assembly (434).
4. the semi-automatic pipeline system production system of high-strength screw-thread steel rod according to claim 3, it is characterized in that: described pay-off (44) comprises feeding motor (441), material-feeding rolling wheels (442), material lift cylinder (443), described feeding motor (441) is fixedly mounted on the bottom of rectangle crossbeam (411), the output terminal of feeding motor (441) is connected with material-feeding rolling wheels (442) by transmission mechanism (444), described material-feeding rolling wheels (442) is arranged on material-feeding rolling wheels frame, material-feeding rolling wheels frame by mounting plate across being arranged on rectangle crossbeam (411), described material lift cylinder (443) is arranged in rectangle crossbeam (411), the external part of material lift cylinder (443) stretches out outside rectangle crossbeam (411) and is connected with material-feeding rolling wheels frame by mounting plate, described pressing device (45) comprises material-pressing rack (451), binder block (452), binder cylinder (453), described material-pressing rack (451) bottom is fixedly mounted on rectangle crossbeam (411), described binder cylinder (453) and the described binder block (452) that can move up and down along material-pressing rack (451) are installed on material-pressing rack (451), the top of binder block (452) is connected with the external part of binder cylinder (453), and the bottom of binder block (452) is provided with the deep-slotted chip breaker matching with workpiece profile, the described materials device (46) that rolls comprises oblique wheel carrier (461) and is arranged on the oblique roller (462) on oblique wheel carrier (461), and described oblique wheel carrier (461) is axially arranged on rectangle crossbeam (411) along rectangle crossbeam (411), described blanking cylinder (432), material lift cylinder (443), binder cylinder (453) are connected with automatic control system that can control cylinder synchronization action respectively.
5. the semi-automatic pipeline system production system of high-strength screw-thread steel rod according to claim 1, it is characterized in that: described heat treatment system (5) is the online heat treatment system of intermediate frequency, the online heat treatment system of this intermediate frequency comprises successively connected mid-frequency induction hardening equipment (51), Medium frequency induction tempering equipment (52) and on-line heating blackout painting anticorrosion device (53), the opening for feed of described mid-frequency induction hardening equipment (51) is connected with and shifts roller-way and traversing platform (54), described on-line heating blackout painting anticorrosion device (53) discharge port is connected with cold bed (55), described on-line heating blackout painting anticorrosion device (53) comprises fluid storage tank body (531), support (533), precooling unit, secondary spray infusion system, the auxiliary finishing system of sealing, described support (533) is fixed on fluid storage tank body top, in fluid storage tank body (531), is divided into pre-cooling zone, secondary spray soak zone and the auxiliary coating area of sealing successively by large baffle I (5337), large baffle II (5329), described precooling unit is arranged in pre-cooling zone, this precooling unit comprises spray circle I (534), transfer lime I (539), variable valve I (535), displacer I (536) and union lever I (538), described variable valve I (535) is arranged in transfer lime I (539), transfer lime I (539) is connected with spray circle I (534), union lever I (538) bottom is connected with spray circle I (534), union lever I (538) upper end is arranged in displacer I (536) by displacement set screw (537), displacer I (536) is rack-mount by thrust screw, the fluid storage tank body bottom of pre-cooling zone has leakage fluid dram I (5338), described secondary spray infusion system is arranged in the secondary spray soak zone of fluid storage tank body, this secondary spray infusion system comprises large spray equipment, little spray equipment and immersion part, described large spray equipment comprises large spray circle (5333), 2 transfer lime II (5311), 2 variable valve II (5310), displacer II (5312) and union lever II (5314), 2 described variable valve II are arranged on respectively in 2 transfer lime II, 2 transfer lime II are all connected with large spray circle, union lever II bottom is connected with large spray circle, union lever II upper end is arranged in displacer II by displacement set screw (5313), displacer II is rack-mount by thrust screw, described little spray equipment comprises little spray circle (5332), transfer lime III (5318), variable valve III (5315), displacer III (5316) and union lever III (5319), described variable valve III is arranged in transfer lime III, transfer lime III is connected with little spray circle, union lever III bottom is connected with little spray circle, union lever III upper end is arranged in displacer III by displacement set screw (5317), displacer III is rack-mount by thrust screw, in the fluid storage tank body of described large spray equipment and little spray equipment both sides, be provided with small baffle I (5335) and small baffle II (5331), small baffle I, between small baffle II and fluid storage tank body, form and soak part, fluid storage tank body bottom between described small baffle I and small baffle II has main leakage fluid dram (5334), fluid storage tank body bottom between small baffle I and large baffle I has auxiliary leakage fluid dram I (5336), fluid storage tank body bottom between small baffle II and fluid storage tank body rear end also has auxiliary leakage fluid dram II (5330), the auxiliary finishing system of described sealing is arranged in the auxiliary coating area of sealing of fluid storage tank body, the auxiliary finishing system of described sealing comprises spray circle II (5328), transfer lime IV (5324), variable valve IV (5320), displacer IV (5323) and union lever IV (5321), described variable valve IV is arranged in transfer lime IV, transfer lime IV is connected with spray circle II, union lever IV bottom is connected with spray circle II, union lever IV upper end is arranged in displacer IV by displacement set screw (5322), displacer IV is rack-mount by thrust screw, the fluid storage tank body bottom of the auxiliary coating area of sealing has leakage fluid dram II (5327), described auxiliary leakage fluid dram II (5330) is positioned between small baffle II (5331) and large baffle II (5329), in the auxiliary coating area of sealing of described fluid storage tank body, be also provided with air shooter (5325), air shooter exit is provided with valve (5326).
6. according to the semi-automatic pipeline system production system of the high-strength screw-thread steel rod described in the arbitrary claim of claim 1 to 5, it is characterized in that: described Centreless lathe (1) is numerical control Centreless lathe; This Centreless lathe (1) is with connecting device (2), thread rolling machine (3), thread rolling machine automatic material blanking mechanism (4), heat treatment system (5) are in turn connected into semi-enclosed U-shaped structure automatically.
7. the semi-automatic pipeline system production method of a high-strength screw-thread steel rod, it is characterized in that: the method is a kind of method that adopts the semi-automatic pipeline system production system of high-strength screw-thread steel rod as claimed in claim 7 to process high-strength screw-thread steel rod, comprises the following steps:
S1. blanking: round steel is pressed to fixed-length segmental blanking, obtain rod iron blank;
S2. turning: adopt Centreless lathe to carry out turning to rod iron blank, make rod iron work in-process;
S3. roll threading: on thread rolling machine, rod iron work in-process are carried out to rolled thread, make screw thread rod iron work in-process;
S4. thermal treatment: the online heat treatment system double thread of employing intermediate frequency rod iron work in-process are heat-treated, blackening process, obtain high-strength screw-thread steel rod product;
S5. check, put in storage: high-strength screw-thread steel rod product is tested, warehousing after passing;
Described step S3. roll threading comprises following particular content:
S3.1. material loading: the rod iron work in-process of the good cylindrical of car pass through the driving rolls A(212 automatic connecting device discharge rack from the discharge port of not being in the mood for car) drive, complete the blanking of not being in the mood for car; Then by discharging a rod for stiring materials (221) of the transfer material toggling frame of automatic connecting device, rod iron work in-process are delivered on storage rack (222); Complete after transfer storing, by charging a rod for stiring materials of transfer material toggling frame, rod iron work in-process are delivered to the feeding rack (23) being connected with thread rolling machine opening for feed upper, realize the material loading of thread rolling machine;
S3.2. feeding: by helping cylinder (2343) action, the revolution support mechanism (234) of closing automatic connecting device, again by lifting cylinder (235) by driving rolls B(233) and the rod iron work in-process entirety being positioned on driving rolls B mention, drive-motor B(232) driving driving rolls B(233), realize the feeding feeding of rod iron work in-process to thread rolling machine;
S3.3. rolled thread: when rod iron work in-process head enters 2/3 length of thread rolling die, drive-motor B(232) stop operating, the piston that lifts cylinder (235) bounces back driving rolls B(233) transfer, rely on the support roller (236) of automatic connecting device to play a supportive role to rod iron work in-process, start thread rolling machine, rod iron work in-process are carried out to continuous rolled thread, make screw thread rod iron work in-process;
S3.4. blanking: binder cylinder (453) action of the pressing device (45) of thread rolling machine automatic material blanking mechanism (4), realize binder, material-feeding rolling wheels (442) and screw thread rod iron work in-process are lifted in material lift cylinder (443) action of pay-off (44), feeding motor (441) rotates, drive material-feeding rolling wheels (442) that screw thread rod iron work in-process are sent to and are moved ahead, until screw thread rod iron work in-process, from exiting the thread rolling die of thread rolling machine, enter after blanking rack (431) completely, lift the binder cylinder (453) of all pressing devices, realize loose metal, now under inductor block (433) effect, blanking cylinder (432) action of blanking device, realize automatic blanking.
8. the semi-automatic pipeline system production method of high-strength screw-thread steel rod according to claim 7, is characterized in that: described step S4. thermal treatment comprises following particular content:
S4.1. material loading:
Transfer roller-way and traversing platform (54) by heat treatment system (5) are delivered to mid-frequency induction hardening equipment (51) by screw thread rod iron work in-process;
S4.2. quench and heat:
Screw thread rod iron work in-process are carried out to the heating of M+N level induction quenching, and front M level is preheating heating, and adds and hanker in the preheating of front M level, controls screw thread rod iron work in-process higher 20 ~ 50 ℃ than previous stage temperature in the temperature of rear one-level; Rear N level is Heat preservation, 700 ~ 850 ℃ of the temperature of control quenching preheating zone, and 820 ~ 950 ℃ of the temperature in quenching and preserving heat district, the heating gait of march of quenching 0.2 ~ 0.5m/min, screw thread rod iron is 4 ~ 12min by the time in quenching and preserving heat district;
S4.3. quench:
Screw thread rod iron work in-process out enter spray circle in 30s from quenching and preserving heat district cooling, carry out quench treatment, cooling with the speed of cooling of 50 ~ 100 ℃/s, control out 60 ~ 100 ℃ of the temperature of spray circle refrigerating unit;
S4.4. tempering:
Screw thread rod iron work in-process after quench treatment are transported to Medium frequency induction tempering equipment (52) and carry out temper, 3 ~ 5 grades of induction tempering heating are carried out in tempering, with the gait of march of 0.2 ~ 0.5m/min, pass through induction heating district, control 500 ~ 650 ℃ of tempering temperatures;
S4.4. blackout:
Screw thread rod iron work in-process after temper are delivered to on-line heating blackout painting anticorrosion device (53), heat blackout rotproofing, the temperature that control workpiece enters on-line heating blackout painting anticorrosion device (53) is 300 ~ 550 ℃, and the temperature that control workpiece goes out on-line heating blackout painting anticorrosion device (53) is in 100 ℃;
S4.5. pack, deposit: on cold bed, after wire wrapping, roll off the production line and deposit;
The value of above-mentioned M can be arbitrary integer in 1 ~ 4, and the value of N can be arbitrary integer in 1 ~ 3, requires arbitrary integer in M+N=3 ~ 6.
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| TW201720936A (en) * | 2015-12-08 | 2017-06-16 | 財團法人金屬工業研究發展中心 | Cooling device |
| CN106148653A (en) * | 2016-08-31 | 2016-11-23 | 成都真火科技有限公司 | A kind of material treatment systems |
| CN106269446A (en) * | 2016-10-07 | 2017-01-04 | 柳州欧维姆机械股份有限公司 | High anticorrosion major diameter high-strength screw-thread steel rod and preparation method thereof |
| CN106391954A (en) * | 2016-11-30 | 2017-02-15 | 重庆奇甫机械有限责任公司 | Thread roller and reinforcement machining production line |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101186962A (en) * | 2007-12-14 | 2008-05-28 | 天津市金能电力电子有限公司 | Technique for induction heating steel rod tempering heat treatment |
| CN201144263Y (en) * | 2007-11-22 | 2008-11-05 | 天津市金能电力电子有限公司 | Steel bar quenching and high temperature tempering production line |
| CN102260830A (en) * | 2011-07-08 | 2011-11-30 | 曾美霞 | Method for processing high-strength fastener and hot-treating process |
| CN102268523A (en) * | 2011-07-13 | 2011-12-07 | 天津阿瑞斯工业炉有限公司 | Continuous quenching line for large-diameter tube and bar materials |
-
2012
- 2012-08-24 CN CN201210303188.8A patent/CN102816915B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201144263Y (en) * | 2007-11-22 | 2008-11-05 | 天津市金能电力电子有限公司 | Steel bar quenching and high temperature tempering production line |
| CN101186962A (en) * | 2007-12-14 | 2008-05-28 | 天津市金能电力电子有限公司 | Technique for induction heating steel rod tempering heat treatment |
| CN102260830A (en) * | 2011-07-08 | 2011-11-30 | 曾美霞 | Method for processing high-strength fastener and hot-treating process |
| CN102268523A (en) * | 2011-07-13 | 2011-12-07 | 天津阿瑞斯工业炉有限公司 | Continuous quenching line for large-diameter tube and bar materials |
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