CN111360091A - Efficient cold-drawing equipment for stainless steel seamless steel pipe and machining method thereof - Google Patents
Efficient cold-drawing equipment for stainless steel seamless steel pipe and machining method thereof Download PDFInfo
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- CN111360091A CN111360091A CN202010237643.3A CN202010237643A CN111360091A CN 111360091 A CN111360091 A CN 111360091A CN 202010237643 A CN202010237643 A CN 202010237643A CN 111360091 A CN111360091 A CN 111360091A
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- steel pipe
- displacement
- driving
- hydraulic cylinder
- clamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/27—Carriages; Drives
- B21C1/28—Carriages; Connections of grippers thereto; Grippers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/32—Feeding or discharging the material or mandrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/34—Guiding or supporting the material or mandrels
Abstract
The invention relates to high-efficiency cold drawing equipment and a processing method thereof for a stainless steel seamless steel pipe, and the equipment comprises a steel pipe drawing and pushing mechanism, a steel pipe input mechanism arranged above the steel pipe drawing and pushing mechanism, and a drawing die rotating mechanism arranged at the tail end side of the steel pipe drawing and pushing mechanism, wherein the side end part of the drawing die rotating mechanism is provided with a drawing frame body, the upper end surface of the drawing frame body is provided with a displacement conveying chain, one side of the tail end part of the drawing frame body is provided with a drawing displacement driving motor for driving the displacement conveying chain to run, the displacement conveying chain is connected with a drawing displacement vehicle, and the lower part of the displacement conveying chain of the drawing. The steel pipe cold-drawing device can automatically convey the steel pipe to the cold-drawing equipment for processing, replaces the traditional conveying mode of manually conveying blank steel pipes, is suitable for drawing and processing steel pipes with different pipe diameters, has strong universality, and can be used for conveying, outputting and storing the processed steel pipes through the output mechanism, thereby avoiding the steel pipes from directly falling off and breaking and ensuring the processing quality of the steel pipes.
Description
Technical Field
The invention relates to the technical field of cold-drawing processing of steel pipes, in particular to efficient cold-drawing equipment and a processing method of a stainless steel seamless steel pipe.
Background
At present, the common cold drawing device for seamless steel pipes is to hammer a blank steel pipe with the pipe diameter and the wall thickness needing to be changed into a head, one end of the blank steel pipe needing to be cold drawn is hammered flat and hammered pointed so that the blank steel pipe can extend out of an outer die hole of the cold drawing device, and a cold drawing tong vehicle can clamp the hammerhead to carry out cold drawing, so that the process is used continuously, the existing cold drawing device needs to be matched with large manual operation to carry out processing, for example, feeding is difficult, blank steel pipes need to be sequentially fed into the cold drawing device to carry out cold drawing by manpower, the conveying efficiency of the steel pipes is low, the labor intensity is high, meanwhile, a drawing die holder of the existing cold drawing device for steel pipes is fixed, only a die with one diameter size can be used, the applicability is low, the function is single, the requirements of seamless steel pipes with different pipe diameters cannot be met, and when the drawn steel pipes fall off from a cold drawing trolley, the steel pipes have a section, in the prior art, the steel pipe directly falls off and is broken, materials and machines are damaged, and equipment and a production process need to be improved due to the defects of the existing steel pipe cold-drawing device.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides high-efficiency cold-drawing equipment and a processing method thereof for a stainless steel seamless steel tube, the high-efficiency cold-drawing equipment can automatically convey the steel tube to the cold-drawing equipment for processing, the traditional conveying mode of manually conveying a blank steel tube is replaced, a rotary disc for installing a plurality of drawing dies with different specifications and sizes is arranged on a drawing die seat of the cold-drawing equipment, the equipment can be suitable for drawing processing of steel tubes with different tube diameters, the universality is strong, meanwhile, the equipment is also provided with a steel tube output mechanism, the processed steel tube is guided by the output mechanism to be output and stored, the steel tube is prevented from directly falling off and breaking, and the processing quality of the.
The invention is realized by the following technical scheme: the utility model provides a high-efficient cold drawing equipment of stainless steel seamless steel pipe, includes that the steel pipe draws advancing mechanism, sets up the steel pipe input mechanism, the drawing die rotary mechanism of setting up the tail end side of advancing mechanism are drawn at the steel pipe to the setting of advancing mechanism top are drawn at the steel pipe, drawing die rotary mechanism side tip sets up draws the support body, draw the support body up end and set up the displacement drive motor that draws of drive displacement conveying chain operation, connect on the displacement conveying chain and draw the displacement car, and draw the support body and set up steel pipe output mechanism in displacement conveying chain lower part, steel pipe input mechanism is including connecting the carriage, the up end both sides of connecting the carriage set up conveying guide, and connect the carriage and set up the drive rack on the medial surface by one side conveying guide, the foot tip activity joint of conveying guide and displacement roof both sides, and the displacement roof sets up horizontal displacement motor by a side foot tip up end, horizontal displacement motor pivot is passed the displacement roof and at the fixed drive gear of pivot tip, and drive gear and drive rack meshing, the fixed lift drive hydraulic cylinder in terminal surface middle part under the displacement roof, lift drive hydraulic cylinder piston rod passes the displacement roof and links the board at the fixed lift of piston rod tip, the even board both ends of lift set up vertical polished rod, vertical polished rod and the movable cross-under of displacement roof, and the fixed clamp of tip under the vertical polished rod gets the hydraulic cylinder, the clamp is got the fixed clamping part of hydraulic cylinder both ends telescopic link.
Further, advancing mechanism is drawn to steel pipe is including setting up drawing the propulsion platform in connecting the carriage lower part, draw the protruding top portion of propulsion platform and set up and place V type groove, and drawing the propulsion platform tail end and set up the propulsion hydraulic cylinder, the propulsion hydraulic cylinder piston rod passes and draws the propulsion platform tail end and at the fixed propulsion piece of piston rod tip, and the propulsion piece is located and places V type inslot.
Further, drawing die rotary mechanism is including fixing the installation plate at drawing support body front end, the cross-under rotation axis on the installation plate, and the fixed die rotary disk of rotation axis one-end, the fixed moving gear of another axle head of rotation axis, evenly fixed a plurality of drawing die on the quotation that the die rotary disk leaned on the profile edge, fixed rotation driving motor on the installation plate, the driving gear is fixed in the rotation driving motor pivot, the driving gear with drive the gear engagement transmission.
Further, the central die hole of the drawing die is formed by butting a conical hole part and a cylindrical hole part, and the hole diameter of the cylindrical hole part of each drawing die is different in size.
Further, draw the displacement car including drawing the displacement pallet car, draw the displacement pallet car front end and set up the centre gripping breach, and draw the displacement pallet car and set up clamping hydraulic cylinder in centre gripping breach both sides, clamping hydraulic cylinder piston rod fixes the clamping piece, the centre gripping terminal surface of clamping piece is convex flank of tooth, draw the displacement pallet car lower extreme face set up the locking piece of being connected with displacement conveying chain, and set up the locking bolt who passes through fixedly with displacement conveying chain on the locking piece.
Further, steel pipe output mechanism includes one end and draws support body articulated guide plate and fix the angle adjusting cylinder on drawing the support body, the piston rod tip of angle adjusting cylinder with lead the lower terminal surface of feed plate articulated, and set up steel pipe storage frame at the output board mouth of leading the feed plate.
The invention also provides a use method of the stainless steel seamless steel tube efficient cold-drawing equipment, which comprises the following steps:
1) starting a horizontal displacement motor of the steel pipe input mechanism, driving a driving gear meshed with a driving rack to rotate by the horizontal displacement motor, driving a displacement top plate to move to the upper part of a steel pipe to be processed along a conveying guide rail, driving a lifting connecting plate and a clamping part to vertically descend by a lifting driving hydraulic cylinder, moving the clamping part to two sides of the steel pipe downwards, driving the clamping part to clamp the steel pipe by a clamping hydraulic cylinder, driving the clamping part by the horizontal displacement motor and the lifting driving hydraulic cylinder, moving the clamped steel pipe to a V-shaped groove of a steel pipe drawing and pushing mechanism, and driving the clamping part to put down the steel pipe to the V-shaped groove by the clamping hydraulic cylinder;
2) starting a rotary driving motor of the drawing die rotating mechanism, driving a die rotating disc on a rotating shaft to rotate by the rotary driving motor through a driving gear and a driving gear which are mutually meshed, rotating a drawing die with a specified drawing aperture on the die rotating disc to the same central axis with the V-shaped groove, then starting a propelling hydraulic cylinder of a steel pipe drawing propelling mechanism, driving a propelling block to prop against the tail end part of a steel pipe in the V-shaped groove by the propelling hydraulic cylinder, and propelling the front end part of the steel pipe forwards into a central die hole of the drawing die;
3) starting a drawing displacement driving motor to drive a displacement conveying chain to run, so that a drawing displacement vehicle on the displacement conveying chain is transferred to one side of a drawing die on a die rotating disc, then starting a clamping hydraulic cylinder on the drawing displacement vehicle, driving a clamping block by the clamping hydraulic cylinder to clamp the front end part of a steel pipe penetrating and connected in a central die hole of the drawing die, driving the drawing displacement vehicle to move forwards on the displacement conveying chain by the drawing displacement driving motor, and simultaneously pushing the steel pipe forwards at the tail end by combining with a pushing hydraulic cylinder, so that the clamped steel pipe is drawn and pulled out from the central die hole of the drawing die to finish the diameter-reducing drawing of the steel pipe;
4) after the steel pipe is drawn along the displacement conveying chain, the clamping hydraulic cylinder drives the clamping block to release the processed steel pipe, then the steel pipe drops to a guide plate on the steel pipe output mechanism from the drawing frame body, the steel pipe rolls along the guide plate to a steel pipe storage frame for storage, and the guide plate can be driven by an angle adjusting cylinder to adjust the pitching angle of the drawing frame body, so that the rolling speed and position of the steel pipe are adjusted, the steel pipe drawing processing flow is completed, and the processing period of the next steel pipe is carried out.
Compared with the prior art, the invention has the beneficial effects that: the invention relates to a high-efficiency cold-drawing equipment main body of a stainless steel seamless steel pipe, which comprises a steel pipe drawing and pushing mechanism, a steel pipe input mechanism above the steel pipe drawing and pushing mechanism, a drawing die rotating mechanism at the front end part of a drawing frame body, a drawing displacement plate cart related structure on the drawing frame body and a steel pipe output mechanism, wherein a blank steel pipe to be processed is transferred to the steel pipe drawing and pushing mechanism by the steel pipe input mechanism, then the drawing die rotating mechanism rotates the drawing die with related specification to the position at the output end side of the steel pipe drawing and pushing mechanism, the front end part of the blank steel pipe is pushed forwards into the drawing die by the steel pipe drawing and pushing mechanism, then the drawing displacement plate cart on the drawing frame body is driven by a drawing displacement driving motor to be conveyed to the end side of the drawing die along a displacement conveying chain, and then the front end part of the blank steel, the blank steel pipe is pulled out of the drawing die by the drawing displacement plate trolley, the steel pipe drawing pusher pushes the blank steel pipe to advance at the rear end while the drawing displacement plate trolley pulls the blank steel pipe forwards, after the steel pipe is completely pulled out of the drawing die and is processed, the clamping hydraulic cylinder clamps and releases the steel pipe, the steel pipe falls from the drawing displacement plate trolley to a guide plate of a steel pipe output mechanism, the steel pipe rolls along the guide plate to a steel pipe storage frame for storage, the steel pipe can be automatically conveyed to cold drawing equipment for processing, the traditional conveying mode of manually conveying the blank steel pipe is replaced, a drawing die base of the cold drawing equipment is provided with a plurality of rotating disks for installing drawing dies with different specifications and sizes, the equipment can be suitable for drawing processing of steel pipes with different pipe diameters, the universality is strong, meanwhile, the equipment is also provided with the steel pipe output mechanism, and the processed steel pipe is conveyed by the output mechanism for output and storage, the steel pipe is prevented from directly falling off and breaking, and the processing quality of the steel pipe is ensured.
Drawings
FIG. 1 is a schematic structural view of the stainless steel seamless steel tube efficient cold drawing equipment of the present invention;
FIG. 2 is a top view of the steel pipe input mechanism of the present invention;
FIG. 3 is a front view of the steel pipe input mechanism of the present invention;
FIG. 4 is a schematic view of a driving connection structure of a clamping portion of the steel pipe input mechanism according to the present invention;
FIG. 5 is a top view of the steel tube drawing and pushing mechanism of the present invention;
FIG. 6 is a side view of the steel tube drawing and pushing mechanism of the present invention;
FIG. 7 is a side view of a rotation mechanism of the drawing die of the present invention;
FIG. 8 is a schematic view of the end face of the rotating disc of the drawing die rotating mechanism according to the present invention;
FIG. 9 is a top view of the drawing displacement carriage of the present invention;
FIG. 10 is a front view of the pull displacement vehicle of the present invention;
FIG. 11 is a schematic view of the connection between the steel tube output mechanism and the drawing frame body according to the present invention.
Wherein: 1. a steel pipe drawing and pushing mechanism; 2. a steel pipe input mechanism; 3. a drawing die rotating mechanism; 4. drawing the frame body; 5. a displacement conveying chain; 7. drawing the displacement driving motor; 8. drawing displacement vehicle; 9. a steel pipe output mechanism; 10. a steel pipe storage frame; 101. a drawing and pushing table; 102. placing a V-shaped groove; 103. a propulsion hydraulic cylinder; 104. a propulsion block; 201. connecting a conveying frame; 202. a conveying guide rail; 203. a foot end portion; 204. a displacement top plate; 205. a horizontal displacement motor; 206. a drive rack; 207. lifting connecting plates; 208. a clamping portion; 209. a drive gear; 210. a vertical polish rod; 211. a lifting driving hydraulic cylinder; 212. clamping a hydraulic cylinder; 301. a mold rotating disc; 302. installing a plate block; 303. driving the gear; 304. a rotary drive motor; 305. a driving gear; 306. drawing the die; 307. a conical bore portion; 308. a cylindrical hole portion; 801. drawing a displacement plate lathe; 802. clamping the notch; 803. clamping the hydraulic cylinder; 804. a clamping block; 805. a circular arc convex tooth surface; 806. a locking block; 807. locking the bolt; 901. a guide plate; 902. an angle adjusting cylinder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the invention relates to an efficient cold drawing device for a stainless steel seamless steel tube, which comprises a steel tube drawing and pushing mechanism 1, a steel tube input mechanism 2 arranged above the steel tube drawing and pushing mechanism 1, and a drawing die rotating mechanism 3 arranged at the tail end side of the steel tube drawing and pushing mechanism 1, wherein the side end part of the drawing die rotating mechanism 3 is provided with a drawing frame body 4, the upper end surface of the drawing frame body 4 is provided with a displacement conveying chain 5, a drawing displacement driving motor 7 for driving the displacement conveying chain 5 to operate is arranged at one side of the tail end part of the drawing frame body 4, the displacement conveying chain 5 is connected with a drawing displacement vehicle 8, and the lower part of the drawing frame body 4 on the displacement conveying chain 5 is provided with a.
As shown in fig. 2, 3 and 4, the steel pipe input mechanism 2 includes a connecting conveying frame 201, conveying guide rails 202 are disposed on two sides of an upper end surface of the connecting conveying frame 201, a driving rack 206 is disposed on an inner end surface of the connecting conveying frame 201 close to one side of the conveying guide rail 202, the conveying guide rail 202 is movably clamped with foot end portions 203 of two side ends of a displacement top plate 204, a horizontal displacement motor 205 is disposed on an upper end surface of the displacement top plate 204 close to one side of the foot end portion 203, a rotating shaft of the horizontal displacement motor 205 passes through the displacement top plate 204 and a driving gear 209 is fixed on an end portion of the rotating shaft, the driving gear 209 is engaged with the driving rack 206, a lifting driving hydraulic cylinder 211 is fixed on a middle portion of the lower end surface of the displacement top plate 204, a piston rod of the lifting driving hydraulic cylinder 211 passes through the displacement top plate 204 and a lifting connecting plate 207 is fixed on an end portion of the piston rod, and the lower end of the vertical polish rod 210 is fixed with a clamping hydraulic cylinder 212, and the two ends of the clamping hydraulic cylinder 212 are fixed with the clamping parts 208 by telescopic rod ends.
As shown in fig. 5 and 6, the steel tube drawing and pushing mechanism 1 includes a drawing and pushing table 101 disposed at a lower portion of a connecting carriage 201, a V-shaped groove 102 is disposed at a top end portion of a protrusion of the drawing and pushing table 101, a pushing hydraulic cylinder 103 is disposed at a rear end portion of the drawing and pushing table 101, a piston rod of the pushing hydraulic cylinder 103 passes through a rear end portion of the drawing and pushing table 101 and fixes a pushing block 104 at an end portion of the piston rod, and the pushing block 104 is located in the V-shaped groove 102.
As shown in fig. 7 and 8, the drawing die rotating mechanism 3 includes an installation plate block 302 fixed at the front end of the drawing frame body 4, the installation plate block 302 is connected with a rotating shaft in a penetrating manner, a die rotating disc 301 is fixed at one end of the rotating shaft, a moving gear 303 is fixed at the other end of the rotating shaft, a plurality of drawing dies 306 are uniformly fixed on the disc surface of the die rotating disc 301 close to the edge of the profile, a rotating driving motor 304 is fixed on the installation plate block 302, a driving gear 305 is fixed on the rotating shaft of the rotating driving motor 304, the driving gear 305 is in meshing transmission with the moving gear 303, a central die hole of the drawing die 306 is formed by butt-joint of conical hole portions 307 and cylindrical hole portions 308, and the size of the cylindrical hole.
As shown in fig. 9 and 10, the drawing displacement cart 8 includes a drawing displacement cart 801, a clamping gap 802 is disposed at a front end portion of the drawing displacement cart 801, clamping cylinders 803 are disposed on two sides of the clamping gap 802 of the drawing displacement cart 801, a piston rod of each clamping cylinder 803 fixes each clamping block 804, a clamping end face of each clamping block 804 is an arc convex tooth face 805, a locking block 806 connected with the displacement conveying chain 5 is disposed on a lower end face of the drawing displacement cart 801, and a locking bolt 807 fixed to the displacement conveying chain 5 in a penetrating manner is disposed on each locking block 806.
As shown in fig. 1 and 11, the steel tube output mechanism 9 includes a guide plate 901 having one end hinged to the drawing frame body 4, and an angle adjusting cylinder 902 fixed on the drawing frame body 4, wherein a piston rod end of the angle adjusting cylinder 902 is hinged to a lower end face of the guide plate 901, and a steel tube storage frame 10 is disposed at an output plate opening of the guide plate 901.
The use method of the efficient cold-drawing equipment for the stainless steel seamless steel pipe comprises the following steps:
1) starting a horizontal displacement motor 205 of the steel pipe input mechanism 2, driving a driving gear 209 meshed with a driving rack 206 to rotate by the horizontal displacement motor 205, driving a displacement top plate 204 to move to the upper part of a steel pipe to be processed along a conveying guide rail 202, driving a lifting connecting plate 207 and a clamping part 208 to vertically descend by a lifting driving hydraulic cylinder 211, moving the clamping part 208 to the two sides of the steel pipe, driving the clamping part 208 to clamp the steel pipe by a clamping hydraulic cylinder 212, driving the steel pipe by the horizontal displacement motor 205 and the lifting driving hydraulic cylinder 211, moving the clamped steel pipe to a V-shaped groove 102 of a steel pipe drawing and pushing mechanism 1, and driving the clamping part 208 to be put down into the V-shaped groove 102 by the clamping hydraulic cylinder 212;
2) starting a rotary driving motor 304 of the drawing die rotating mechanism 3, driving a die rotating disc 301 on a rotating shaft to rotate by the rotary driving motor 304 through a driving gear 305 and a driving gear 303 which are mutually meshed, rotating a drawing die 306 with a specified drawing aperture on the die rotating disc 301 to the same central axis with the V-shaped groove 102, then starting a pushing hydraulic cylinder 103 of the steel tube drawing and pushing mechanism 1, driving a pushing block 104 to push against the tail end part of a steel tube in the V-shaped groove 102 by the pushing hydraulic cylinder 103, and pushing the front end part of the steel tube forwards into a central die hole of the drawing die 306;
3) starting a drawing displacement driving motor 7 to drive a displacement conveying chain 5 to run, so that a drawing displacement vehicle 8 on the displacement conveying chain 5 is moved to one side of a drawing die 306 on a die rotating disc 301, then starting a clamping hydraulic cylinder 803 on the drawing displacement vehicle 8, driving a clamping block 804 by the clamping hydraulic cylinder 803 to clamp the front end part of a steel pipe penetrating and connected in a central die hole of the drawing die 306, driving the drawing displacement vehicle 8 to move forwards on the displacement conveying chain 5 by the drawing displacement driving motor 7, and simultaneously pushing the steel pipe forwards at the tail end by combining with a pushing hydraulic cylinder 103, so that the clamped steel pipe is drawn out from the central die hole of the drawing die 306, and the diameter-reducing drawing of the steel pipe is completed;
4) after the steel pipe is drawn along the displacement conveying chain 5, the clamping hydraulic cylinder 803 drives the clamping block 804 to release the processed steel pipe, then the steel pipe falls from the drawing frame body 4 onto the guide plate 901 on the steel pipe output mechanism 9, the steel pipe rolls down along the guide plate 901 to the steel pipe storage frame 10 for storage, and the angle adjusting cylinder 902 can drive the guide plate 901 to adjust the pitch angle of the drawing frame body 4, so that the rolling speed and position of the steel pipe are adjusted, the steel pipe drawing process flow is completed, and the processing cycle of the next steel pipe is performed.
The high-efficiency cold-drawing equipment body of the stainless steel seamless steel tube comprises a steel tube drawing and pushing mechanism 1, a steel tube input mechanism 2 above the steel tube drawing and pushing mechanism 1, a drawing die rotating mechanism 3 at the front end part of a drawing frame body 4, a relevant structure of a drawing displacement plate cart 8 on the drawing frame body 4 and a steel tube output mechanism 9, wherein a blank steel tube to be processed is transferred to the steel tube drawing and pushing mechanism by the steel tube input mechanism, then the drawing die rotating mechanism 3 rotates the drawing die 306 with relevant specification and size to the position of the output end side of the steel tube drawing and pushing mechanism 1 forwards the front end part of the blank steel tube to the drawing die 306, then the drawing displacement plate cart 8 on the drawing frame body 4 is driven by a drawing displacement driving motor 7 to be conveyed to the end side of the drawing die 306 along a displacement conveying chain 5, and then the front end part of the blank steel tube is clamped by a clamping and fixing hydraulic cylinder 803 on the drawing displacement, the blank steel pipe is pulled out from the drawing die 306 by the drawing displacement plate trolley 8, the steel pipe drawing pushing mechanism 1 pushes the blank steel pipe to advance at the rear end while the drawing displacement plate trolley 8 draws the blank steel pipe forwards, after the steel pipe is completely pulled out from the drawing die 306 and is processed, the clamping hydraulic cylinder 803 releases the steel pipe, the steel pipe falls from the drawing displacement plate trolley 8 onto the guide plate 901 of the steel pipe output mechanism 9, the steel pipe rolls along the guide plate 901 to the steel pipe storage frame 10 to be stored, the steel pipe can be automatically conveyed to cold drawing equipment to be processed, the traditional conveying mode of manually conveying the blank steel pipe is replaced, the drawing die base of the cold drawing equipment is provided with a die rotating disk 301 for installing a plurality of drawing dies with different specifications and sizes, the equipment can be suitable for drawing processing of steel pipes with different pipe diameters, the universality is strong, meanwhile, the equipment is also provided with a steel pipe output mechanism, and the processed steel pipe is guided by the output mechanism to be output and stored, the steel pipe is prevented from directly falling off and breaking, and the processing quality of the steel pipe is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a high-efficient cold drawing equipment of stainless steel seamless steel pipe, includes that the steel pipe draws advancing mechanism (1), sets up steel pipe input mechanism (2) of advancing mechanism (1) top are drawn to the steel pipe, sets up drawing die rotary mechanism (3) of advancing mechanism (1) tail end side are drawn at the steel pipe, its characterized in that, drawing die rotary mechanism (3) side tip sets up draws support body (4), draw support body (4) up end setting displacement conveying chain (5), and draw displacement driving motor (7) of drawing that sets up drive displacement conveying chain (5) operation drawing in drawing support body (4) tail end one side, connect on the displacement conveying chain (5) and draw displacement car (8), and draw support body (4) and set up steel pipe output mechanism (9) in displacement conveying chain (5) lower part, steel pipe input mechanism (2) are including connecting carriage (201), the automatic lifting device is characterized in that conveying guide rails (202) are arranged on two sides of the upper end face of the connecting conveying frame (201), a driving rack (206) is arranged on the end face of the inner side of the conveying guide rail (202) close to one side of the connecting conveying frame (201), the conveying guide rail (202) is movably clamped with the end portions (203) of two sides of the displacement top plate (204), a horizontal displacement motor (205) is arranged on the upper end face of the end portion (203) close to one side of the displacement top plate (204), a rotating shaft of the horizontal displacement motor (205) penetrates through the displacement top plate (204) and a driving gear (209) is fixed at the end portion of the rotating shaft, the driving gear (209) is meshed with the driving rack (206), a lifting driving hydraulic cylinder (211) is fixed in the middle of the lower end face of the displacement top plate (204), a piston rod of the lifting driving hydraulic cylinder (211) penetrates through the displacement top plate (204) and a lifting connecting plate, the vertical polish rod (210) is movably connected with the displacement top plate (204) in a penetrating mode, the lower end portion of the vertical polish rod (210) is fixedly provided with a clamping hydraulic cylinder (212), and the two ends of the clamping hydraulic cylinder (212) are fixedly provided with telescopic rod end fixing clamping portions (208).
2. The efficient cold drawing equipment for the stainless steel seamless steel pipe according to claim 1 is characterized in that the steel pipe drawing pushing mechanism (1) comprises a drawing pushing platform (101) arranged on the lower portion of a connecting conveying frame (201), a V-shaped groove (102) is formed in the top protruding portion of the drawing pushing platform (101), a pushing hydraulic cylinder (103) is arranged on the tail end portion of the drawing pushing platform (101), a piston rod of the pushing hydraulic cylinder (103) penetrates through the tail end portion of the drawing pushing platform (101) and a pushing block (104) is fixed to the end portion of the piston rod, and the pushing block (104) is located in the V-shaped groove (102).
3. The efficient cold-drawing equipment for the stainless steel seamless steel tube according to claim 1 is characterized in that the drawing die rotating mechanism (3) comprises an installation plate block (302) fixed at the front end of the drawing frame body (4), the installation plate block (302) is connected with a rotating shaft in a penetrating manner, a die rotating disc (301) is fixed at one end of the rotating shaft, a moving gear (303) is fixed at the other end of the rotating shaft, a plurality of drawing dies (306) are uniformly fixed on the disc surface of the die rotating disc (301) close to the edge of the profile, a rotating driving motor (304) is fixed on the installation plate block (302), a driving gear (305) is fixed at the rotating shaft of the rotating driving motor (304), and the driving gear (305) is in meshing transmission with the moving gear (.
4. The efficient cold-drawing equipment for the stainless steel seamless steel pipe according to claim 3 is characterized in that the central die hole of the drawing die (306) is formed by butting the orifices of a conical hole part (307) and a cylindrical hole part (308), and the diameter of the cylindrical hole part (308) of each drawing die (306) is different in size.
5. The efficient cold drawing equipment for the stainless steel seamless steel pipe according to claim 1 is characterized in that the drawing displacement trolley (8) comprises a drawing displacement plate trolley (801), a clamping notch (802) is formed in the front end portion of the drawing displacement plate trolley (801), clamping hydraulic cylinders (803) are arranged on two sides of the clamping notch (802) of the drawing displacement plate trolley (801), a piston rod of each clamping hydraulic cylinder (803) fixes each clamping block (804), the clamping end faces of the clamping blocks (804) are arc-shaped convex tooth faces (805), a locking block (806) connected with a displacement conveying chain (5) is arranged on the lower end face of the drawing displacement plate trolley (801), and a locking bolt (807) which is fixedly connected with the displacement conveying chain (5) in a penetrating mode is arranged on each locking block (806).
6. The efficient cold drawing equipment for the stainless steel seamless steel tube according to claim 1 is characterized in that the steel tube output mechanism (9) comprises a guide plate (901) with one end hinged to the drawing frame body (4) and an angle adjusting cylinder (902) fixed to the drawing frame body (4), the end of a piston rod of the angle adjusting cylinder (902) is hinged to the lower end face of the guide plate (901), and a steel tube storage frame (10) is arranged at an output plate opening of the guide plate (901).
7. The use method of the high-efficiency cold-drawing equipment for the stainless steel seamless steel pipe in the claim 1 comprises the following steps:
1) starting a horizontal displacement motor (205) of the steel pipe input mechanism (2), driving a driving gear (209) meshed with a driving rack (206) to rotate by the horizontal displacement motor (205), driving a displacement top plate (204) to move to the upper part of a steel pipe to be processed along a conveying guide rail (202), driving a lifting connecting plate (207) and a clamping part (208) to vertically descend by a lifting driving hydraulic cylinder (211), moving the clamping part (208) to two sides of the steel pipe, driving the clamping part (208) to clamp the steel pipe by a clamping hydraulic cylinder (212), driving the horizontal displacement motor (205) and the lifting driving hydraulic cylinder (211), moving the clamped steel pipe to a V-shaped groove (102) of a steel pipe drawing and pushing mechanism (1), and driving the clamping part (208) to descend into the V-shaped groove (102) by the clamping hydraulic cylinder (212);
2) starting a rotary driving motor (304) of the drawing die rotating mechanism (3), driving a die rotating disc (301) on a rotating shaft to rotate by the rotary driving motor (304) through a driving gear (305) and a driving gear (303) which are meshed with each other, rotating the drawing die (306) with a specified drawing aperture on the die rotating disc (301) to the same central axis with the V-shaped groove (102), then starting a pushing hydraulic cylinder (103) of the steel tube drawing and pushing mechanism (1), driving a pushing block (104) to prop against the tail end part of a steel tube in the V-shaped groove (102) by the pushing hydraulic cylinder (103), and pushing the front end part of the steel tube forwards into a central die hole of the drawing die (306);
3) starting a drawing displacement driving motor (7) to drive a displacement conveying chain (5) to run, so that a drawing displacement vehicle (8) on the displacement conveying chain (5) is transferred to one side of a drawing die (306) on a die rotating disc (301), then starting a clamping hydraulic cylinder (803) on the drawing displacement vehicle (8), driving a clamping block (804) by the clamping hydraulic cylinder (803) to clamp the front end part of a steel pipe penetrating and connected in a central die hole of the drawing die (306), driving the drawing displacement vehicle (8) to move forwards on the displacement conveying chain (5) by the drawing displacement driving motor (7), and simultaneously combining a pushing hydraulic cylinder (103) to push the steel pipe forwards at the tail end, so that the clamped steel pipe is drawn out from the central die hole of the drawing die (306), and finishing the diameter-reducing drawing of the steel pipe;
4) after the steel pipe is drawn along the displacement conveying chain (5), the clamping hydraulic cylinder (803) drives the clamping block (804) to release the processed steel pipe, then the steel pipe falls onto the guide plate (901) on the steel pipe output mechanism (9) from the drawing frame body (4), the steel pipe rolls along the guide plate (901) into the steel pipe storage frame (10) to be stored, and the angle adjusting cylinder (902) can drive the guide plate (901) to adjust the pitching angle of the drawing frame body (4), so that the rolling speed and the rolling position of the steel pipe are adjusted, the steel pipe drawing processing flow is completed, and the processing period of the next steel pipe is carried out.
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| CN112620369A (en) * | 2020-12-01 | 2021-04-09 | 上海浦营金属科技有限公司 | Processing device for high-performance stainless steel seamless steel pipe |
| CN113351664A (en) * | 2021-06-03 | 2021-09-07 | 无锡广兴东茂科技有限公司 | Special-shaped steel drawing method and drawing device |
| CN113523650A (en) * | 2021-05-24 | 2021-10-22 | 江苏兴海特钢有限公司 | Method for processing high-strength corrosion-resistant stainless steel welding material for chemical industry |
| CN115476153A (en) * | 2022-07-18 | 2022-12-16 | 山东黄金鑫意工艺品有限责任公司 | Noble metal processing pipe-pulling, pressing and forming device and process |
| CN116237382A (en) * | 2022-11-25 | 2023-06-09 | 张家港保税区恒隆钢管有限公司 | Cold drawing machine for producing seamless steel tube |
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Denomination of invention: A high-efficiency cold drawing equipment for stainless steel seamless steel pipes and its processing method Effective date of registration: 20230907 Granted publication date: 20210713 Pledgee: Zhejiang Songyang Rural Commercial Bank Co.,Ltd. Xiping Branch Pledgor: ZHEJIANG JULONG STEEL INDUSTRY Co.,Ltd. Registration number: Y2023330001987 |
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