CN111872121A - Cold rolling forming mechanism of jumbo size abnormal shape wire rod and use its cold rolling forming device - Google Patents

Abstract

The invention discloses a cold rolling forming mechanism for large-size special-shaped wires and a cold rolling forming device using the same. According to the cold rolling forming mechanism, two first working rollers and two first supporting rollers which form the two first cold rolling units and two second working rollers and two second supporting rollers which form the two second cold rolling units form an eight-roller structure through the two first cold rolling units arranged up and down and the two second cold rolling units arranged left and right, and the large rolling force formed by the supporting rollers and the working rollers in a matched mode can simply and efficiently realize cold rolling forming processing of large-size wires; the cold rolling forming device with the cold rolling forming mechanism is provided with at least two groups of cold rolling forming mechanisms, can realize continuous forming and winding of wires, and is high in processing efficiency.

Description

Cold rolling forming mechanism of large-sized special-shaped wire rod and cold rolling forming device using the same

technical field

The invention relates to the field of cold rolling forming of metal wire rods, in particular to a cold rolling forming mechanism for large-sized special-shaped wire rods and a cold rolling forming device applying the same.

Background technique

At present, for the processing of large-sized special-shaped wire (large-sized special-shaped wire refers to the special-shaped metal wire formed by the use of metal discs with a diameter between 25mm and 38mm), it usually requires a complete set of complex processing. At the same time, due to the structural limitation of the processing equipment, the special-shaped wire needs to be cut to length and cold drawn to achieve the final product, and the continuous processing and winding of the special-shaped wire cannot be realized, which further reduces the processing efficiency. .

SUMMARY OF THE INVENTION

One object of the present invention is to overcome the deficiencies of the prior art and provide a cold rolling forming mechanism for large-sized special-shaped wire rods with high processing efficiency.

To achieve the above object, the technical scheme adopted in the present invention is:

A cold rolling forming mechanism for large-sized special-shaped wire rods comprises a stand, two first cold rolling units arranged on the stand along a vertical direction, and a cold rolling unit arranged on the stand along a horizontal direction. Two second cold rolling units, the two first cold rolling units and the two second cold rolling units can be matched to form a cavity for the special-shaped wire rod to pass through;

The first cold rolling unit includes a first support roll and a first work roll that are rotatably disposed and abut against each other, and the second cold rolling unit includes a second support roll and a first work roll that are rotatable and abutted against each other. Two work rolls, the first work roll and the second work roll can respectively fit against the peripheral side of the profiled wire, and the rotation axes of the first support roll and the first work roll are along the The horizontal direction extends and is perpendicular to the passing direction of the profiled wire, and the rotation axes of the second support roll and the second work roll extend along the vertical direction;

The cold rolling forming mechanism further includes a first driving module for driving the first work roll to rotate.

Preferably, the roll diameter of the first work roll is smaller than the roll diameter of the first backup roll, and the roll diameter of the second work roll is smaller than the roll diameter of the second backup roll.

Preferably, the cold-roll forming mechanism further comprises a concave portion provided on the first support roll and/or the second support roll around the circumference of the first support roll and/or the second support roll 2. The convex part provided on the first work roll and/or the second work roll around the circumference of the first work roll and/or the second work roll, the concave part and the convex part The risers can be matched with each other.

Further preferably, the protruding portion can fit against the axial side portion of the profiled wire.

Preferably, the cold rolling forming mechanism further comprises a chute opened on the frame along the vertical direction, and one of the two first cold rolling units is slidably arranged in the chute , the cold rolling forming mechanism further includes a second driving module for driving one of the two first cold rolling units to slide.

Preferably, the cold rolling forming mechanism further includes a guiding unit located on one side of the frame, and the guiding unit includes a plurality of groups of guiding modules arranged in sequence along the passing direction of the special-shaped wire, each group The guide modules respectively include two rotatable guide rollers arranged on both sides of the passing direction of the special-shaped wire, the rotation axes of the two guide rollers extend along the vertical direction, and the two guide rollers extend along the vertical direction. The guide rollers can be matched against both sides of the profiled wire rod in the axial direction respectively.

Another object of the present invention is to overcome the deficiencies of the prior art, and to provide a cold rolling forming device for large-sized special-shaped wire rods that uses the above-mentioned cold rolling forming mechanism and can realize continuous processing and winding of the wire rods.

To achieve the above object, the technical scheme adopted in the present invention is:

A cold rolling forming device for large-sized special-shaped wire rod, comprising an unwinding mechanism and a winding mechanism, and the cold rolling forming device further comprises at least two groups located between the unwinding mechanism and the winding mechanism as described above cold-rolled forming mechanism.

Preferably, the rewinding mechanism comprises a stand, a rotatable and slidable rewinding roller provided on the stand, a third driving module for driving the rewinding roller to rotate, and a third driving module for driving the rewinding roller. The fourth drive module for the winding roller slides, the rotation axis of the winding roller extends along the horizontal direction and is perpendicular to the passing direction of the profiled wire, and the sliding direction of the winding roller is consistent with the extending direction of its rotation axis.

Preferably, the cold rolling forming device further comprises a plurality of tensioning assemblies and straightening assemblies respectively located between each two groups of the cold rolling forming mechanisms.

Preferably, the cold rolling forming device further comprises a winding guide mechanism located between the cold rolling forming mechanism and the winding mechanism, and the winding guide mechanism comprises a winding guide mechanism arranged along the passing direction of the profiled wire rod two sets of horizontal guide units, a vertical guide unit located between the two sets of horizontal guide units, the horizontal guide units include a plurality of horizontal guide rollers arranged at intervals on both sides of the profiled wire in the horizontal direction, The vertical guide unit includes a plurality of vertical guide rollers arranged at intervals on both sides of the vertical direction of the profiled wire, the rotation axis of the horizontal guide rollers extends along the vertical direction, and the vertical guide rollers The axis of rotation of the roller extends along the horizontal direction, and the horizontal guide roller and the vertical guide roller can respectively fit against the peripheral side of the profiled wire rod.

Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art: the cold rolling forming mechanism of the present invention, through the two first cold rolling units arranged up and down and the two second cold rolling units arranged left and right, The two first work rolls and the two first backup rolls that make up the two first cold rolling units, and the two second work rolls and the two second backup rolls that make up the two second cold rolling units form an eight-high structure , the large rolling force formed by the cooperation of the backup roll and the work roll can realize the cold rolling forming process of large-size wire rods simply and efficiently; the cold rolling forming device using the cold rolling forming mechanism is provided with at least two sets of cold rolling forming mechanisms, which can Realize the continuous forming and winding of the wire, and the processing efficiency is high.

Description of drawings

1 is a schematic front view of a cold rolling forming mechanism in a specific embodiment of the present invention;

2 is a schematic top view of a cold rolling forming mechanism in a specific embodiment of the present invention;

3 is a schematic side view of a cold rolling forming mechanism in a specific embodiment of the present invention;

4 is a schematic top view of a cold rolling forming device in a specific embodiment of the present invention;

5 is a schematic top view of the winding mechanism in the specific embodiment of the present invention;

FIG. 6 is a schematic top view of the winding guide mechanism in the specific embodiment of the present invention.

In the figure: 1, stand; 2, the first cold rolling unit; 2a, the first backup roll; 2b, the first work roll; 3, the second cold rolling unit; 3a, the second backup roll; 3b, the second work Roller; 4. The first driving module; 5. The recessed part; 6. The convex part; 7. The chute; 8. The second driving module; 9. The guide unit; 9a, the guide module; 10. Machine base; 11. Winding roller; 12. Third drive module; 13. Fourth drive module; 14. Tension assembly; 15. Straightening assembly; 16. Horizontal guide unit; 16a, Horizontal guide roller; Vertical guide unit; 17a, vertical guide roller; 18, guide assembly; 19, guide module;

100. Special-shaped wire.

Detailed ways

The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings.

The present invention relates to the improvement of the cold rolling forming device for large-sized special-shaped wire rods. The improved cold-rolling forming device consists of two first cold-rolling units and two One backup roll, two second work rolls and two second backup rolls forming two second cold rolling units form an eight-roll structure, and the large rolling force formed by the cooperation of the backup rolls and the work rolls can simply and efficiently The cold rolling forming process of the size wire rod; the cold rolling forming device applying the cold rolling forming mechanism is provided with at least two groups of cold rolling forming mechanisms, which can realize the continuous forming and winding of the wire rod, and has high processing efficiency.

Referring to Fig. 4, a cold rolling forming device for large-sized special-shaped wires is shown, including an unwinding mechanism (not shown in the figure), a winding mechanism, and a winding mechanism located between the unwinding mechanism and the winding mechanism. Five groups of cold-rolled forming mechanisms. Here, the cold rolling forming device also includes a control mechanism (not shown in the figure) for controlling the operation of the unwinding mechanism, the cold rolling forming mechanism and the winding mechanism, and the total installed power is 400Kw. The control mechanism here is a control box in the prior art, and the specific structure will not be repeated.

As shown in Figures 1-3, the cold rolling forming mechanism includes a stand 1, two first cold rolling units 2 arranged on the stand 1 along the vertical direction, and two first cold rolling units 2 arranged on the stand 1 along the horizontal direction. The two second cold rolling units 3 , the two first cold rolling units 2 and the two second cold rolling units 3 can be matched to form a cavity for the special-shaped wire rod 100 to pass through.

Further, the first cold rolling unit 2 includes a first support roll 2a and a first work roll 2b that are rotatable and abut against each other, and the second cold rolling unit 3 includes a second support that is rotatable and abutted against each other The rolls 3a and the second work rolls 3b, the first work rolls 2b and the second work rolls 3b can respectively fit against the peripheral side of the profiled wire 100, and the rotation axes of the first support rolls 2a and the first work rolls 2b are along the Extending in the horizontal direction and perpendicular to the passing direction of the profiled wire 100, the rotation axes of the second support roll 3a and the second work roll 3b extend in the vertical direction.

Specifically, on the upper and lower sides of the special-shaped wire rod 100, the first support roll 2a and the first work roll 2b are cooperatively rolled, the first work roll 2b is pressed against the upper and lower surfaces of the special-shaped wire rod 100, and the first support roll 2a is pressed against On the first work roll 2b; on the left and right sides of the special-shaped wire 100, the second support roll 3a and the second work roll 3b cooperate to roll, the second work roll 3b presses against the left and right surfaces of the special-shaped wire 100, the second The backup roll 3a is pressed against the second work roll 3b. In this way, the support force of the backup roll is increased on the basis of the rolling force of the work roll, and the combination of the two can form a large rolling force, which can easily realize the cold rolling forming of large-size wire rods, and no longer needs to go through the complicated process in the prior art. processing technology.

The cold-rolling forming device using the above-mentioned cold-rolling forming mechanism can form a five-joint mechanism by arranging five sets of cold-rolling forming mechanisms in sequence, and can perform multi-pass cold rolling on the special-shaped wire rod 100, and the forming effect is better and can realize the wire rod. Continuous forming and winding, high processing efficiency, the final production speed can reach 50m/min.

As a preferred solution, the roll diameter of the first work roll 2b is smaller than the roll diameter of the first backup roll 2a, and the roll diameter of the second work roll 3b is smaller than the roll diameter of the second backup roll 3a. Specifically, the roll diameter of the first backup roll 2a is 320 mm, the roll diameter of the first work roll 2b is 260 mm, the roll diameter of the second backup roll 3a is 160 mm, and the roll diameter of the second work roll 3b is 150 mm. In this way, by reducing the roll diameter of the work rolls, the area of the work rolls in contact with the profiled wire rod 100 is reduced, and the rolling force on the profiled wire rod 100 is further increased. However, since the work rolls with smaller roll diameters cannot bear large forces, supporting rolls with larger roll diameters are equipped to cooperate with them, so that the cold rolling purpose of the present application can be well achieved.

In this embodiment, the cold rolling forming mechanism further includes a first driving module 4 for driving the first work roll 2b to rotate. The first drive module 4 here is a drive motor, and the drive motor is connected to one end of the first work roll 2b through a coupling. In this way, the motor can drive the first work roll 2b to rotate actively to bring the special-shaped wire 100 into the cavity, which greatly reduces the frictional resistance of the special-shaped wire 100 passing through the cavity, and improves the forming ability of the special-shaped wire 100 .

Further, as shown in FIG. 1 , the cold-roll forming mechanism of this example further includes a depression 5 provided on the first backup roll 2a and the second backup roll 3a around the circumferential direction of the first backup roll 2a and the second backup roll 3a 2. The convex parts 6 on the first work roll 2b and the second work roll 3b are arranged around the circumference of the first work roll 2b and the second work roll 3b. The concave part 5 and the convex part 6 can be matched with each other, and the convex part 6 can be matched against the axial side of the special-shaped wire 100 . The protrusions 6 here can be designed into different shapes according to requirements, so as to interfere with the surface of the wire and realize the slotting on the surface of the wire during the rotation of the work roll, so that the wire can be processed into a special-shaped wire with different cross-sectional shapes. Among them, the concave part 5 and the convex part 6 are respectively the inner concave surface arranged on the first backup roll 2a and the second backup roll 3a and the outer convex surface arranged on the first work roll 2b and the second work roll 3b. It can just be embedded in the concave surface without affecting the relative rotation of the backup roll and the work roll.

In this embodiment, the cold rolling forming mechanism further includes a chute 7 opened on the frame 1 along the vertical direction, and the cold rolling unit 2 located above the profiled wire 100 can be driven on the chute 7 by the second driving module 8 Swipe in. Wherein, the second driving module 8 is a pressing device in the prior art, which is used to drive the cold rolling unit 2 to slide and press it against the upper side of the profiled wire rod 100 .

As shown in FIGS. 2-3 , the cold rolling forming mechanism of this example further includes a guide unit 9 located on one side of the stand 1 , and the guide unit 9 includes a plurality of sets of guides arranged in sequence along the passing direction of the profiled wire 100 . Module 9a, each set of guide modules 9a respectively includes two rotatable guide rollers 9a1 located on both sides of the passing direction of the special-shaped wire, the rotation axes of the two guide rollers 9a1 extend along the vertical direction, and the two guide rollers 9a1 The guide rollers 9a1 can be matched against both sides of the profiled wire 100 in the axial direction respectively. In this way, after the special-shaped wire rod 100 is formed and output by the cold rolling forming mechanism, it can pass through the guiding unit 9 to ensure the straightness of the large-sized special-shaped wire rod 100 .

In this embodiment, the unwinding mechanism includes a rotatable unwinding roller (not shown in the figure), the profiled wire 100 is wound on the unwinding roller, and the unwinding roller is driven by a motor to rotate to realize the profiled wire 100 of unwinding.

As shown in FIG. 5 , the winding mechanism includes a machine base 10 , a rotatable and slidable winding roller 11 provided on the machine base 10 , a third driving module 12 for driving the winding roll 11 to rotate, and a third driving module 12 for driving In the fourth driving module 13 of the winding roller 11 sliding, the rotation axis of the winding roller 11 extends along the horizontal direction and is perpendicular to the passing direction of the profiled wire 100 . The sliding direction of the winding roller 11 is consistent with the extending direction of its rotation axis. Here, the third driving module 12 and the fourth driving module 13 are both motors, wherein the output end of the third driving module 12 is connected to the winding roller 11 through a reducer, for driving the winding roller 11 to rotate and winding the profiled wire 100, The output end of the fourth drive module 13 is connected to a screw rod, and the winding roller 11 can move left and right through the cooperation of the motor and the screw rod, so as to realize the uniform winding of the special-shaped wire 100 on the winding roller 11 .

The above-mentioned cold rolling forming device further includes a plurality of tensioning components 14 , straightening components 15 and guiding components 18 respectively located between each two sets of cold rolling forming mechanisms. The tension component 14 is a tension frame in the prior art, which is used to realize the tensioning of the special-shaped wire 100; the straightening component 15 is a straightening machine in the prior art, which is used to realize the straightening of the special-shaped wire 100; the guiding component 18 includes rollers respectively disposed on the left and right sides of the special-shaped wire 100 for cooperating with the guiding unit 9 to realize the guiding of the special-shaped wire 100 .

Further, as shown in FIG. 6 , the cold rolling forming device further includes a winding guide mechanism located between the cold rolling forming mechanism and the winding mechanism, for realizing the winding guidance of the special-shaped wire rod 100 . The winding guide mechanism includes two sets of horizontal guide units 16 arranged along the passing direction of the profiled wire 100, and a vertical guide unit 17 located between the two sets of horizontal guide units 16. The horizontal guide unit 16 includes a plurality of The horizontal guide rollers 16a on both sides of the profiled wire 100 in the horizontal direction, the vertical guide unit 17 includes a plurality of vertical guide rollers 17a arranged at intervals on both sides of the profiled wire 100 in the vertical direction, and the rotation axis of the horizontal guide rollers 16a is along the Extending in the vertical direction, the rotation axis of the vertical guide roller 17a extends along the horizontal direction.

Here, the horizontal guide rollers 16a located on both sides of the horizontal direction of the special-shaped wire 100 are arranged in a corresponding staggered order. The left horizontal guide roller 16a corresponds to the gap between the two adjacent horizontal guide rollers 16a on the right side. The guide roller 16a corresponds to the gap between the two adjacent horizontal guide rollers 16a on the left side.

A guide module 19 is also arranged between the winding guide mechanism and the winding mechanism. The guide module 19 includes two guide rollers located on both sides of the profiled wire rod 100 , and is used for cooperating with the winding guide mechanism to realize the movement of the profiled wire rod 100 . guide.

The above-mentioned embodiments are only intended to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those skilled in the art to understand the content of the present invention and implement them accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A cold rolling forming mechanism of jumbo size abnormal shape wire rod which characterized in that: the special-shaped wire cold rolling device comprises a rack (1), two first cold rolling units (2) arranged on the rack (1) along the vertical direction and two second cold rolling units (3) arranged on the rack (1) along the horizontal direction, wherein the two first cold rolling units (2) and the two second cold rolling units (3) can be matched to form a cavity for a special-shaped wire (100) to pass through;

the first cold rolling unit (2) comprises a first supporting roller (2a) and a first working roller (2b) which are rotatably arranged and mutually abutted, the second cold rolling unit (3) comprises a second supporting roller (3a) and a second working roller (3b) which are rotatably arranged and mutually abutted, the first working roller (2b) and the second working roller (3b) can respectively abut against the peripheral side part of the special-shaped wire (100) in a matched mode, the rotating axes of the first supporting roller (2a) and the first working roller (2b) extend along the horizontal direction and are perpendicular to the passing direction of the special-shaped wire (100), and the rotating axes of the second supporting roller (3a) and the second working roller (3b) extend along the vertical direction;

the cold rolling forming mechanism further comprises a first driving module (4) for driving the first working roll (2b) to rotate.

2. The cold rolling forming mechanism for the large-size special-shaped wire rod as claimed in claim 1, wherein: the roller diameter of the first working roller (2b) is smaller than that of the first supporting roller (2a), and the roller diameter of the second working roller (3b) is smaller than that of the second supporting roller (3 a).

3. The cold rolling forming mechanism for the large-size special-shaped wire rod as claimed in claim 1, wherein: the cold rolling forming mechanism further comprises a concave part (5) arranged around the first supporting roller (2a) and/or the second supporting roller (3a) in the circumferential direction, and a convex part (6) arranged around the first working roller (2b) and/or the second working roller (3b) in the circumferential direction, wherein the concave part (5) and the convex part (6) can be matched with each other, and the first supporting roller (2a) and/or the second supporting roller (3a) are/is arranged on the first supporting roller (2a) and/or the second supporting roller (3a) in the circumferential direction.

4. The cold rolling forming mechanism for the large-size special-shaped wire rod as claimed in claim 3, wherein: the bulge (6) can be matched with and abutted against the axial side part of the special-shaped wire (100).

5. The cold rolling forming mechanism for the large-size special-shaped wire rod as claimed in claim 1, wherein: the cold rolling forming mechanism further comprises a sliding groove (7) which is arranged on the rack (1) along the vertical direction, one of the two first cold rolling units (2) can be arranged in the sliding groove (7) in a sliding mode, and the cold rolling forming mechanism further comprises a second driving module (8) which is used for driving one of the two first cold rolling units (2) to slide.

6. The cold rolling forming mechanism for the large-size special-shaped wire rod as claimed in claim 1, wherein: the cold rolling forming mechanism further comprises a guiding unit (9) located on one side of the rack (1), the guiding unit (9) comprises a plurality of groups of guiding modules (9a) which are sequentially arranged along the passing direction of the special-shaped wire (100), each group of guiding modules (9a) respectively comprises two rotatable guiding rollers (9a1) which are arranged on two sides of the passing direction of the special-shaped wire, the rotating axes of the two guiding rollers (9a1) extend along the vertical direction, and the two guiding rollers (9a1) can be respectively matched with the two axial side portions of the special-shaped wire (100) in a butting mode.

7. The utility model provides a cold rolling forming device of jumbo size abnormal shape wire rod, includes unwinding mechanism and winding mechanism, its characterized in that: the cold-rolling forming device further comprises at least two groups of cold-rolling forming mechanisms which are arranged between the unwinding mechanism and the winding mechanism and are defined in any one of claims 1 to 6.

8. The cold-rolling forming apparatus for large-size profiled wire as claimed in claim 7, wherein: winding mechanism includes frame (10), rotatable and slidable locates wind-up roll (11), the drive that is used for on frame (10) wind-up roll (11) pivoted third drive module (12) and be used for the drive the gliding fourth drive module (13) of wind-up roll (11), the axis of rotation of wind-up roll (11) extends and perpendicular along the horizontal direction the direction of passing through of heterotypic wire rod (100), the slip direction of wind-up roll (11) is unanimous rather than the direction of extension of axis of rotation.

9. The cold-rolling forming apparatus for large-size profiled wire as claimed in claim 7, wherein: the cold rolling forming device also comprises a plurality of tension assemblies (14) and straightening assemblies (15) which are respectively positioned between every two groups of cold rolling forming mechanisms.

10. The cold-rolling forming apparatus for large-size profiled wire as claimed in claim 7, wherein: the cold rolling forming device further comprises a rolling guide mechanism positioned between the cold rolling forming mechanism and the rolling mechanism, the rolling guide mechanism comprises two groups of horizontal guide units (16) arranged along the passing direction of the special-shaped wire (100) and a vertical guide unit (17) positioned between the two groups of horizontal guide units (16), the horizontal guide units (16) comprise a plurality of horizontal guide rollers (16a) arranged at two sides of the horizontal direction of the special-shaped wire (100) at intervals, the vertical guide units (17) comprise a plurality of vertical guide rollers (17a) arranged at two sides of the vertical direction of the special-shaped wire (100) at intervals, the rotating axis of the horizontal guide rollers (16a) extends along the vertical direction, the rotating axis of the vertical guide rollers (17a) extends along the horizontal direction, and the horizontal guide rollers (16a) and the vertical guide rollers (17a) can respectively and cooperatively abut against the special-shaped wire (100) The peripheral side portion of the wire (100).

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