CN110538870B - Processing device and processing technology for cold forming of metal special-shaped long material and product - Google Patents
Processing device and processing technology for cold forming of metal special-shaped long material and product Download PDFInfo
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- CN110538870B CN110538870B CN201910822406.0A CN201910822406A CN110538870B CN 110538870 B CN110538870 B CN 110538870B CN 201910822406 A CN201910822406 A CN 201910822406A CN 110538870 B CN110538870 B CN 110538870B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
Abstract
The invention discloses a processing device for cold forming of metal special-shaped long materials, which comprises an unreeling unit, at least two groups of cold forming units and a reeling unit which are sequentially arranged along a processing direction, wherein each cold forming unit comprises a first straightening component, a cold rolling component and a roller die component, and the metal special-shaped long materials can sequentially pass through the first straightening component, the cold rolling component and the roller die component. According to the processing device for cold forming of the metal special-shaped long material, the first straightening assembly, the cold rolling assembly and the roller die assembly in the cold forming unit are arranged, so that the cold rolling precision and the straightness of the processed metal special-shaped long material can be guaranteed to the maximum extent; meanwhile, the arrangement of at least two groups of cold forming units can realize the continuous rolling of the metal special-shaped long material and realize the cold forming processing of the large-size and large-size metal special-shaped long material.
Description
Technical Field
The invention relates to the field of cold forming processing of metal special-shaped long materials, in particular to a processing device, a processing technology and a product for cold forming of metal special-shaped long materials.
Background
The metal profile is a special-shaped metal wire which can be applied to multiple industries such as petrochemical industry, mining industry, papermaking, screening filters, automobiles, aerospace, aviation, medical appliances and the like, and has huge requirements. With the development of large-scale machinery industry, the size requirement of metal profile is higher and higher. The metal profile with large radial dimension can be suitable for larger machinery, and the metal profile with large axial dimension is more convenient for subsequent processing and transportation. Therefore, based on the above facts, there is an increasing demand for large-gauge metal profile long products having large radial and axial dimensions. However, due to structural limitations of the conventional rolling equipment for cold forming of metal wires, the conventional rolling equipment can only be applied to processing of special-shaped wires with small radial dimension (less than 8 mm), small axial dimension and low requirement on reduction ratio, while special-shaped long materials with large radial dimension and large axial dimension and high requirement on reduction ratio, such as special-shaped long materials with a diameter of 10mm to 25mm and a reduction ratio of 30% to 50%, cannot be directly processed and produced by the conventional rolling equipment, and the rolling equipment is matched with a plurality of rolling equipment, so that on one hand, the production efficiency is low, and on the other hand, the rolling precision and the straightness of the processed metal special-shaped long materials cannot be guaranteed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a processing device for cold forming of metal special-shaped long materials, which can realize cold forming processing of large-size and large-size metal special-shaped long materials, ensures the rolling precision and straightness of the processed and formed metal special-shaped long materials and has high production efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that:
a processing device for cold forming of metal special-shaped long materials comprises an unreeling unit, at least two groups of cold forming units and a reeling unit which are sequentially arranged along a processing direction,
the cold-forming unit comprises a cold-forming unit,
the first straightening assembly comprises two straightening rollers which are arranged along the vertical direction and are respectively and rotatably arranged on two sides of the metal special-shaped long material, wherein the two straightening rollers are vertical to the processing direction, straightening grooves which are formed in the roller surfaces of the straightening rollers around the circumferential direction of the straightening rollers, the rotating axis of each straightening roller is vertical to the processing direction and extends along the horizontal direction, and the metal special-shaped long material can be matched and clamped in the straightening grooves;
the cold rolling assembly comprises two first rollers which are arranged along the vertical direction and are respectively and rotatably arranged on two sides of the special-shaped metal long material, which are perpendicular to the processing direction, two second rollers which are arranged along the horizontal direction and are respectively and rotatably arranged on two sides of the special-shaped metal long material, which are perpendicular to the processing direction, and a first driving module for driving the first rollers and the second rollers to rotate;
the roller die assembly comprises a plurality of molding rollers which are respectively and rotatably arranged on the peripheral sides of the metal special-shaped long materials vertical to the processing direction, molding channels are formed among the molding rollers, and the metal special-shaped long materials can penetrate through the molding channels in a matched mode;
the metal special-shaped long material can sequentially pass through the first straightening assembly, the cold rolling assembly and the roller die assembly.
Preferably, the cold rolling assembly further comprises a first protruding portion provided on a roll surface of at least one of the two first rolls along a circumferential direction of the first roll, and/or a second protruding portion provided on a roll surface of at least one of the two second rolls along a circumferential direction of the second roll.
Preferably, the cold forming unit is still including locating cold rolling subassembly with tensioning subassembly between the roller die assembly, tensioning subassembly includes two rotatable first tensioning rollers that set gradually along the direction of working, rotatable and can locate along the gliding second tensioning roller that locates of vertical direction the clearance below between two first tensioning rollers, be used for driving the gliding second drive module of second tensioning roller.
Preferably, the processing device further comprises a welding module, a derusting module and a reducing module which are sequentially arranged between the unreeling unit and the cold forming unit along the processing direction, wherein the welding module is used for welding continuous materials for the metal special-shaped long material; the rust removal module is used for removing rust for the metal special-shaped long material; the reducing module is used for reducing the diameter of the metal special-shaped long material.
Preferably, the processing device further comprises a second straightening assembly, an oiling module and a guiding module which are sequentially arranged between the cold forming unit and the winding unit along the processing direction, wherein the second straightening assembly is used for straightening the processed and formed metal special-shaped long material again; the oiling module is used for spraying anti-rust oil on the metal special-shaped long material which is straightened again; the guiding module is used for guiding the metal special-shaped long material after being oiled so as to facilitate rolling.
The second purpose of the invention is to provide a processing technology for cold forming of the metal special-shaped long material based on the processing device, the processing technology can realize cold forming processing of large-size and large-size metal special-shaped long materials, the rolling precision and the straightness of the processed and formed metal special-shaped long materials are ensured, meanwhile, the production efficiency is high, and the processing technology has simple steps and is convenient to operate.
In order to achieve the purpose, the invention adopts the technical scheme that:
a processing technology for cold forming of metal special-shaped long materials based on the processing device comprises the following steps:
(1) straightening: straightening a long metal material with a circular cross section;
(2) cold rolling: performing cold rolling and rolling on the metal long material subjected to straightening treatment in the step (1);
(3) molding: feeding the metal long material rolled and rolled in the step (2) into a roller die, and correcting the shape and the size of the metal long material;
(4) rolling for multiple times: and (4) straightening the metal long material molded in the step (3) again, and then repeating the step (2) and the step (3) until the metal special-shaped long material with the preset size and shape is obtained.
Preferably, before the straightening treatment in the step (1), the processing technology further comprises pretreatment of the metal long material raw material, wherein the pretreatment comprises welding material addition, rust removal and reducing.
Preferably, the process further comprises the step of
(5) And (3) winding treatment: and (4) straightening the metal special-shaped long material obtained in the step (4) again, spraying anti-rust oil on the surface of the metal special-shaped long material, and finally, guiding by a guide module and then rolling.
The third purpose of the invention is to provide a metal special-shaped long product cold-formed based on the processing device and the processing technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the product is prepared by the processing device, the radial section of the product is in a special shape, the radial length of the product is s1, the axial length of the product is s2, the mass of the product is m, s1 is not more than 10mm and not more than 25mm, s2 is not less than 1000m and not more than 1200m, and m is not less than 2000kg and not more than 2200 kg.
The product is prepared by the processing technology, the radial section of the product is special-shaped, the radial length of the product is s1, the axial length of the product is s2, the mass of the product is m, s1 is not more than 10mm and not more than 25mm, s2 is not more than 1000m and not more than 1200m, and m is not less than 2000kg and not more than 2200 kg.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the processing device for cold forming of the metal special-shaped long material, the first straightening assembly, the cold rolling assembly and the roller die assembly in the cold forming unit are arranged, so that the cold rolling precision and the straightness of the processed metal special-shaped long material can be guaranteed to the maximum extent; meanwhile, the arrangement of at least two groups of cold forming units can realize the continuous rolling of the metal special-shaped long material and realize the cold forming processing of the large-size and large-size metal special-shaped long material.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken perpendicular to the machine direction of a first straightening assembly in accordance with the invention;
FIG. 3 is a schematic top view of the cold rolling assembly of the present invention;
FIG. 4 is a cross-sectional view taken perpendicular to the machine direction of the roll mold assembly of the present invention;
FIG. 5 is a schematic structural view of the tension assembly of the present invention;
fig. 6 is a schematic radial cross-sectional view of a metal profile long product manufactured by the processing apparatus and the processing method according to the embodiment of the present invention.
Wherein: 1. an unwinding unit; 2. a winding unit; 3. a first straightening assembly; 3a, straightening rollers; 3b, straightening grooves; 4. cold rolling the assembly; 4a, a first roller; 4b, a second roller; 5. a roller die assembly; 5a, molding rollers; 5b, molding a channel; 6. a tension assembly; 6a, a first tensioning roller; 6b, a second tensioning roller; 6c, a second driving module; 7. welding the module; 8. a derusting module; 9. a reducing module; 10. a second straightening assembly; 11. an oiling module; 12. a guide module; 12a, a first guiding module; 12b, a second guiding module; 13. a traction module;
100. metal special-shaped long material.
Detailed Description
The technical scheme of the invention is further explained by combining the attached drawings.
Referring to fig. 1 to 6, a processing device for cold forming of a metal special-shaped long material includes an unwinding unit 1, at least two sets of cold forming units, and a winding unit 2, which are sequentially arranged along a processing direction. Here, the processing apparatus further includes a control unit (not shown) for controlling operations of the unwinding unit 1, the cold forming unit, and the winding unit 2. The control unit is a control box in the prior art, and the detailed structure is not described in detail.
The cold-forming unit comprises a cold-forming unit,
the first straightening assembly 3 comprises two straightening rollers 3a which are arranged along the vertical direction and are respectively rotatably arranged on two sides of the metal special-shaped long material 100 perpendicular to the processing direction, and straightening grooves 3b which are arranged on the roller surfaces of the straightening rollers 3a around the circumferential direction of the straightening rollers 3a, wherein the rotating axis of the straightening rollers 3a is perpendicular to the processing direction and extends along the horizontal direction, and the metal special-shaped long material 100 can be matched and clamped in the straightening grooves 3 b. Here, the first straightening assemblies 3 are in two sets and are arranged along the machine direction. Through the arrangement of the first straightening component 3, the guide function can be realized on the metal special-shaped long material 100, and the straightness of the large-size and large-size metal special-shaped long material 100 during processing is ensured.
The cold rolling assembly 4 comprises two first rollers 4a which are arranged along the vertical direction and are respectively rotatably arranged on two sides of the metal special-shaped long material 100 perpendicular to the processing direction, two second rollers 4b which are arranged along the horizontal direction and are respectively rotatably arranged on two sides of the metal special-shaped long material 100 perpendicular to the processing direction, and a first driving module (not shown in the figure) for driving the first rollers 4a and the second rollers 4b to rotate, wherein the rotating axis of the first rollers 4a is perpendicular to the processing direction and extends along the horizontal direction, and the rotating axis of the second rollers 4b is perpendicular to the processing direction and extends along the vertical direction. Here, the cold rolling unit 4 is provided, and the two first rolls 4a and the two second rolls 4b are engaged with each other to perform four-roll rolling of the metal profile long product 100, thereby effectively ensuring the stability of the forming process and the rolling dimension accuracy of the metal profile long product 100. The first driving module is a driving motor. Here, the cold rolling assembly 4 further includes a bracket for controlling the first roller 4a and the second roller 4b to move along the processing direction, the bracket is a screw and can drive the first roller 4a and the second roller 4b to move under the driving of a servo motor. The first roller 4a and the second roller 4b are connected to the screw rod and move through screw rod transmission. The first roller 4a and the second roller 4b can move for rolling through the arrangement of the bracket, and the rolling effect is improved.
In the present embodiment, the cold rolling assembly 4 further includes a first projection provided on the roll surface of at least one of the two first rolls 4a along the circumferential direction of the first roll 4a, and/or a second projection provided on the roll surface of at least one of the two second rolls 4b along the circumferential direction of the second roll 4 b. Here, the first protruding portion and the second protruding portion can realize grooving of the surface of the metal profiled long product 100 and realize machining of the metal profiled long product 100 with different cross-sectional shapes during the rotation of the first roller 4a and the second roller 4 b. Here, cavities may be formed on the surfaces of the first and second rolls 4a and 4b for processing protrusions on the surface of the profiled metal long product 100.
The roller die assembly 5 comprises a plurality of molding rollers 5a which are respectively and rotatably arranged on the peripheral side of the metal special-shaped long material 100 vertical to the processing direction, molding channels 5b are formed among the molding rollers 5a, and the metal special-shaped long material 100 can penetrate through the molding channels 5b in a matched mode. Here, there are four molding rolls 5a, which are respectively located at the upper, lower, left, and right sides of the metal profile long product 100 perpendicular to the machine direction. Through the setting of roll former subassembly 5, can be to the shape and the size of metal heterotypic long material 100 trimming, can cooperate first straightening subassembly 3 to realize the guide effect simultaneously.
In this embodiment, the metal profile long product 100 can be rolled by passing through the first straightening unit 3, the cold rolling unit 4, and the roller module 5 in this order, and the cold rolling accuracy and straightness of the metal profile long product 100 to be processed can be ensured to the maximum extent by the cooperation of the first straightening unit 3, the cold rolling unit 4, and the roller module 5. The cold forming units are five groups, and the five groups of cold forming units are arranged to realize continuous rolling of the metal special-shaped long material 100, so that cold forming processing of the large-size and large-size metal special-shaped long material 100 can be realized. The five groups of cold forming units are used for primary forming of products, and the fifth group is used for final forming and finishing of the products.
The cold forming unit further comprises a tensioning assembly 6 arranged between the cold rolling assembly 4 and the roller module 5, wherein the tensioning assembly 6 comprises two rotatable first tensioning rollers 6a sequentially arranged along the machining direction, a second tensioning roller 6b which is arranged below a gap between the two first tensioning rollers 6a in a rotatable manner and can slide along the vertical direction, and a second driving module 6c for driving the second tensioning roller 6b to slide. Here, the metal profile long product 100 can pass through the first tension roller 6a, the second tension roller 6b, and the second first tension roller 6a in this order in the machine direction, and the first tension roller 6a and the second tension roller 6b can tension the metal profile long product 100. In this embodiment, the second driving module 6c is an air cylinder, and a displacement sensor is provided on the second tension roller 6b side. Since the axial length of the metal profile long product 100 is elongated after cold rolling, the rotation speed of the roller at the rear of the processing device is required to be higher than that of the roller at the front, and the speeds of the two rollers are correspondingly matched. When the rotation speeds of the front and rear rollers of the metal special-shaped long material 100 cannot be matched, the metal special-shaped long material can be displaced, when the displacement sensor detects that the displacement of the metal special-shaped long material 100 in the vertical direction exceeds a set value, the displacement sensor transmits a displacement signal to the control unit, the control unit controls the air cylinder to drive the second tensioning roller 6b to move up and down, meanwhile, the rotation speeds of the rollers in the cold rolling assembly 4 in the front and rear of the tensioning assembly 6 are adjusted, the speed reduction of the front roller and/or the speed acceleration of the rear roller are controlled, the re-tensioning of the metal special-shaped long material 100 is realized, and the front and rear speed matching. Here, the set displacement of the displacement sensor is set according to specific needs.
The processing device also comprises a welding module 7, a derusting module 8 and a reducing module 9 which are sequentially arranged between the unreeling unit 1 and the cold forming unit along the processing direction, wherein the welding module 7 is used for welding continuous materials for the metal special-shaped long material 100; the derusting module 8 is used for derusting the metal special-shaped long material 100; the reducing module 9 is used for reducing the diameter of the metal special-shaped long material 100. The welding module 7 is a butt welding machine in the prior art, the derusting module 8 is a shelling deruster or an abrasive belt deruster in the prior art, the reducing module 9 is a reducing mill in the prior art, and the processing device also comprises a traction module 13 which is used for matching with the reducing mill to pull the special-shaped metal long material 100 to realize reducing, wherein the traction module is a horizontal type drawing machine in the prior art. The welding module 7 is arranged, so that the metal special-shaped long materials 100 with different winding times can be welded together end to end, the continuity of the machining process is guaranteed, and the machining efficiency is improved; due to the arrangement of the rust removal module 8, rust on the surface of the metal special-shaped long material 100 to be processed can be removed, and the quality of the processed product is ensured; the diameter of the metal special-shaped long material 100 with larger radial dimension can be adjusted to meet the requirement by the arrangement of the reducing module 9.
The processing device also comprises a second straightening component 10, an oiling module 11 and a guide module 12 which are sequentially arranged between the cold forming unit and the winding unit 3 along the processing direction, wherein the second straightening component 10 is used for straightening the processed and formed metal special-shaped long material 100 again; the oiling module 11 is used for spraying anti-rust oil on the re-straightened metal special-shaped long material 100; and the guide module 12 is used for guiding the oiled metal special-shaped long material 100 so as to facilitate rolling. The second straightening assembly 10 comprises a plurality of roll shafts which are respectively arranged at the upper side and the lower side of the metal special-shaped long material 100, the roll shafts at the upper side and the lower side are sequentially arranged in a staggered and corresponding mode, the upper roll shaft is positioned above the gap between the two adjacent roll shafts at the lower side, the lower roll shaft is positioned below the gap between the two adjacent roll shafts at the upper side, and each roll shaft is provided with a roll groove along the circumferential direction thereof and is used for final straightening of the metal special-shaped long material 100; the oiling module is an oiling machine in the prior art; the guide module 12 comprises a first guide module 12a and a second guide module 12b which are sequentially arranged, the first guide module 12a comprises a first guide roller located below the metal special-shaped long material 100, the second guide module 12b comprises a second guide roller and a third guide roller located on the upper side and the lower side of the metal special-shaped long material 100 respectively, and the first guide roller, the second guide roller and the third guide roller are used for achieving rolling guide of the metal special-shaped long material 100.
A processing technology based on the metal special-shaped long material cold forming processing device comprises the following steps:
(1) straightening: and (3) straightening the long metal material with a circular cross section. The straightening treatment is here effected by the first straightening assembly 3. The first straightening assembly 3 comprises two straightening rollers 3a which are arranged along the vertical direction and are respectively rotatably arranged on two sides of the metal special-shaped long material 100 perpendicular to the processing direction, and straightening grooves 3b which are arranged on the roller surfaces of the straightening rollers 3a around the circumferential direction of the straightening rollers 3a, the rotating axis of each straightening roller 3a is perpendicular to the processing direction and extends along the horizontal direction, and the metal special-shaped long material 100 can be matched and clamped in the straightening grooves 3 b.
(2) Cold rolling: and (2) carrying out cold rolling on the metal long material subjected to straightening treatment in the step (1). Here, cold rolling is carried out by means of the cold rolling assembly 4. The cold rolling assembly 4 comprises two first rollers 4a which are arranged along the vertical direction and are respectively rotatably arranged on two sides of the metal special-shaped long material 100 perpendicular to the processing direction, two second rollers 4b which are arranged along the horizontal direction and are respectively rotatably arranged on two sides of the metal special-shaped long material 100 perpendicular to the processing direction, and a first driving module which is used for driving the first rollers 4a and the second rollers 4b to rotate, wherein the rotating axis of the first rollers 4a is perpendicular to the processing direction and extends along the horizontal direction, and the rotating axis of the second rollers 4b is perpendicular to the processing direction and extends along the vertical direction.
(3) Molding: and (3) feeding the metal long material subjected to cold rolling in the step (2) into a roller die, and correcting the shape and size of the metal long material. The profiling is here effected by means of a roller die assembly 5. The roller die assembly 5 comprises a plurality of molding rollers 5a which are respectively rotatably arranged on the peripheral sides of the metal special-shaped long materials 100 vertical to the processing direction, molding channels 5b are formed among the molding rollers 5a, and the metal special-shaped long materials 100 can penetrate through the molding channels 5b in a matched mode.
(4) Rolling for multiple times: and (4) straightening the metal long material molded in the step (3) again, and then repeating the step (2) and the step (3) until the metal special-shaped long material with the preset size and shape is obtained. Here, the predetermined size and shape can be flexibly made as needed.
(5) And (3) winding treatment: and (4) straightening the metal special-shaped long material obtained in the step (4) again, spraying anti-rust oil on the surface of the metal special-shaped long material, and finally, guiding by a guide module and then rolling. The straightening process here is carried out by means of the second straightening assembly 10. The second straightening component 10 comprises a plurality of roll shafts respectively arranged on the upper side and the lower side of the metal special-shaped long material 100, the roll shafts on the upper side and the lower side are arranged in a staggered and corresponding mode, the roll shaft on the upper side is located above the gap between the two adjacent roll shafts on the lower side, the roll shaft on the lower side is located below the gap between the two adjacent roll shafts on the upper side, and a roll groove is formed in each roll shaft along the circumferential direction of the roll shaft. Spraying the anti-rust oil is realized by an oiling machine. The guide module is including the first guide module 12a and the second guide module 12b that set gradually, and first guide module 12a is including being located the first guide roll of long material 100 below of metal abnormal shape, and second guide module 12b is including being located the second guide roll and the third guide roll of the long material 100 upper and lower both sides of metal abnormal shape respectively, and first guide roll, second guide roll and third guide roll are used for realizing the rolling direction of long material 100 of metal abnormal shape.
In this embodiment, before the straightening treatment in step (1), the processing technology further includes pretreatment of the metal long material, where the pretreatment includes welding, rust removal, and diameter reduction. The welding material feeding, the derusting and the reducing are respectively realized by a butt welding machine, a derusting machine and a reducing machine.
The radial section of the metal special-shaped long product is special, the radial length of the product is s1, the axial length of the product is s2, the mass of the product is m, s2 is larger than or equal to 10mm and smaller than or equal to 25mm, s1 is larger than or equal to 1000m and smaller than or equal to 1200m, and m is larger than or equal to 2000kg and smaller than or equal to 2200 kg. As shown in fig. 6, the cross section of the metal special-shaped long material 100 is a special shape with a groove, in this embodiment, the radial length s1 is 20mm, the axial length s2 is 1000m, and the metal special-shaped long material is coiled into a coil shape, and the m is 2000kg, so that the metal special-shaped long material is convenient to subsequently process and transport, and meets the requirement of industrial production on large-size and large-size metal special-shaped long materials.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (10)
1. The utility model provides a processingequipment of long material cold forming of metal abnormal shape which characterized in that: the processing device comprises an unreeling unit (1), at least two groups of cold forming units and a reeling unit (2) which are sequentially arranged along the processing direction,
the cold-forming unit comprises a cold-forming unit,
the first straightening assembly (3) comprises two straightening rollers (3 a) which are arranged along the vertical direction and are respectively rotatably arranged on two sides of the metal special-shaped long material (100) vertical to the processing direction, and straightening grooves (3 b) which are formed on the roller surfaces of the straightening rollers (3 a) around the circumferential direction of the straightening rollers (3 a), wherein the rotating axis of the straightening rollers (3 a) is perpendicular to the processing direction and extends along the horizontal direction, and the metal special-shaped long material (100) can be matched and clamped in the straightening grooves (3 b);
the cold rolling assembly (4) comprises two first rollers (4 a) which are arranged along the vertical direction and are respectively rotatably arranged on two sides of the metal special-shaped long material (100) in the vertical processing direction, two second rollers (4 b) which are arranged along the horizontal direction and are respectively rotatably arranged on two sides of the metal special-shaped long material (100) in the vertical processing direction, and a first driving module for driving the first rollers (4 a) and the second rollers (4 b) to rotate, wherein the rotating axis of the first rollers (4 a) is perpendicular to the processing direction and extends along the horizontal direction, and the rotating axis of the second rollers (4 b) is perpendicular to the processing direction and extends along the vertical direction;
the cold rolling assembly (4) further comprises a support for controlling the movement of the first roll (4 a) and the second roll (4 b) along the working direction;
the roller die assembly (5) comprises a plurality of molding rollers (5 a) which are respectively rotatably arranged on the peripheral sides of the metal special-shaped long materials (100) vertical to the processing direction, molding channels (5 b) are formed among the molding rollers (5 a), and the metal special-shaped long materials (100) can penetrate through the molding channels (5 b) in a matched mode;
the metal special-shaped long material (100) can sequentially pass through the first straightening assembly (3), the cold rolling assembly (4) and the roller die assembly (5).
2. The processing device for cold forming of the metal profiled long material as claimed in claim 1, wherein: the cold rolling assembly (4) further comprises a first bulge arranged on the roller surface of at least one of the two first rollers (4 a) along the circumferential direction of the first roller (4 a), and/or a second bulge arranged on the roller surface of at least one of the two second rollers (4 b) along the circumferential direction of the second roller (4 b).
3. The processing device for cold forming of the metal profiled long material as claimed in claim 1, wherein: the cold forming unit is still including locating cold rolling subassembly (4) with tensioning subassembly (6) between roller die assembly (5), tensioning subassembly (6) include along two rotatable first tensioning rollers (6 a) that the direction of working set gradually, rotatable and can be along the gliding locating of vertical direction two first tensioning rollers (6 a) between second tensioning roller (6 b) of clearance below, be used for the drive the gliding second drive module (6 c) of second tensioning roller (6 b).
4. The processing device for cold forming of the metal profiled long material as claimed in claim 1, wherein: the processing device further comprises a welding module (7), a derusting module (8) and a reducing module (9) which are sequentially arranged between the unreeling unit (1) and the cold forming unit along the processing direction, wherein the welding module (7) is used for welding and feeding the metal special-shaped long material (100); the rust removal module (8) is used for removing rust for the metal special-shaped long material (100); the reducing module (9) is used for reducing the diameter of the metal special-shaped long material (100).
5. The processing device for cold forming of the metal profiled long material as claimed in claim 1, wherein: the processing device further comprises a second straightening component (10), an oiling module (11) and a guide module (12) which are sequentially arranged between the cold forming unit and the winding unit (3) along the processing direction, wherein the second straightening component (10) is used for straightening the metal special-shaped long material (100) which is formed by processing again; the oiling module (11) is used for spraying anti-rust oil on the metal special-shaped long material (100) which is straightened again; the guiding module (12) is used for guiding the metal special-shaped long material (100) after being oiled so as to facilitate rolling.
6. A processing technology of cold forming of metal profiled long products based on the processing device of any one of claims 1 to 5, is characterized in that: the processing technology comprises the following steps:
(1) straightening: straightening a long metal material with a circular cross section;
(2) cold rolling: performing cold rolling and rolling on the metal long material subjected to straightening treatment in the step (1);
(3) molding: feeding the metal long material rolled and rolled in the step (2) into a roller die, and correcting the shape and the size of the metal long material;
(4) rolling for multiple times: and (4) straightening the metal long material molded in the step (3) again, and then repeating the step (2) and the step (3) until the metal special-shaped long material with the preset size and shape is obtained.
7. The processing technology for cold forming of the metal profiled long material as claimed in claim 6, wherein: before the straightening treatment in the step (1), the processing technology further comprises pretreatment of the metal long material raw material, wherein the pretreatment comprises welding material addition, rust removal and reducing.
8. The processing technology for cold forming of the metal profiled long material as claimed in claim 6, wherein: the processing technology also comprises the steps of
(5) And (3) winding treatment: and (4) straightening the metal special-shaped long material obtained in the step (4) again, spraying anti-rust oil on the surface of the metal special-shaped long material, and finally, guiding by a guide module and then rolling.
9. The utility model provides a long material cold forming's of metal abnormal shape product which characterized in that: the product is prepared by the processing device as claimed in any one of claims 1 to 5, the radial section of the product is profiled, and the radial length of the product is s1, the axial length is s2, and the mass is m, wherein 10mm < s1 < 25mm, 1000m < s2 < 1200m, and 2000kg < m < 2200 kg.
10. The utility model provides a long material cold forming's of metal abnormal shape product which characterized in that: the product is prepared by the processing technology of any one of claims 6 to 8, the radial section of the product is special-shaped, the radial length of the product is s1, the axial length of the product is s2, the mass of the product is m, wherein 10mm < s1 < 25mm, 1000m < s2 < 1200m, 2000kg < m < 2200 kg.
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