CN216226140U - Active and passive combined cold rolling mill - Google Patents

Abstract

The utility model relates to the technical field of metal material processing equipment, in particular to an active and passive combined cold rolling mill, which comprises a feeding device, a front tension control regulator, a positioning gauge round die box, a first active flat rolling cold rolling mill, a first tension control regulator, an N +1 group cold rolling forming unit, a second passive cross cold rolling mill, a third active flat rolling cold rolling mill, a third tension control regulator, an M +1 group special-shaped passive cold rolling mill, a rear tension control regulator and a finished product winding device, wherein the feeding device, the front tension control regulator, the positioning gauge round die box, the first active flat rolling cold rolling mill, the first tension control regulator, the N +1 group cold rolling forming unit, the second passive cross cold rolling mill, the third active flat rolling cold rolling mill, the third tension control regulator, the M +1 group special-shaped passive cold rolling mill, the rear tension control regulator and the finished product winding device are sequentially arranged from front to back along the motion direction of a wire rod; the cold rolling forming units respectively comprise a first passive cross cold rolling mill, a second active flat rolling mill and a second tension control regulator which are sequentially arranged along the movement direction of the wire; the special-shaped passive cold rolling units respectively comprise a first special-shaped passive cross cold rolling mill, a second special-shaped passive cross cold rolling mill and a power unit for drawing wires, wherein the first special-shaped passive cross cold rolling mill, the second special-shaped passive cross cold rolling mill and the power unit are sequentially arranged along the movement direction of the wires.

Description

Active and passive combined cold rolling mill

Technical Field

The utility model relates to the technical field of metal material processing equipment, in particular to an active and passive combined cold rolling mill.

Background

At present, the production of the precise special-shaped metal wire or the precise metal flat wire is realized by adopting a cold rolling mode, wherein the precise special-shaped metal wire or the precise metal flat wire with the width-thickness ratio less than 2 can be directly formed by a special-shaped cross rolling mill; the common method for the precision special-shaped metal wire or the precision metal flat wire with the width-thickness ratio being equal to or larger than 2 in the market comprises the following steps: the flat rolling mill rolls flat into flat wires, the flat wires are formed into special-shaped metal wires or metal flat wires in a mode of die drawing, and the special-shaped metal wires or metal flat wires are formed by more than two working procedures, and the processing mode has the defects of low efficiency, poor precision and high cost;

at present, high-precision metal wires used in China are imported from foreign countries, and the main reason is that the size precision of most of the existing domestic equipment processing cannot meet the product requirement, so the market urgently needs to develop equipment for producing precision special-shaped metal wires or precision metal flat wires so as to meet the market demand.

The application number is CN110694792A, Chinese utility model patent with publication number 2020.01.17 discloses a production line of alloy anchor line profile, which comprises a first tension device and an equipment shell, wherein a cold rolling device, a first laser sensor, a second tension device, a hole type cold rolling device, a pre-drawing forming device, a third tension device, a cleaning device, a final forming device, a straightening pulley set, a guiding device, a fourth tension device, a wire clamping device, a wire take-up device and an electromagnetic power supply are arranged in the equipment shell, and a power receiving wheel and two power receiving wheels are arranged in the second tension device; the groove of the power receiving wheel is provided with a power receiving ring which is contacted with the anchor line; the power receiving wheel is provided with an accommodating groove, the inner wall of the accommodating groove is provided with a power receiving ring, the power receiving ring is connected with a plurality of electromagnetic coils, the power receiving ring and the electromagnetic coils are electrically connected with an electromagnetic power supply, one magnetic pole of each electromagnetic coil faces the power receiving ring, and the other magnetic pole faces the circle center of the power receiving wheel; the power receiving ring is made of an electric conduction and non-magnetic conduction material and is not in contact with the anchor line, so that the wire is not broken by metal scraps after being tensioned. The production line disclosed in this patent still cannot meet the production requirements of high-precision metal wire rods.

SUMMERY OF THE UTILITY MODEL

The method aims to solve the problems that the size precision of metal wires processed by most of domestic equipment in the prior art cannot meet the requirement of high precision, the equipment has multiple processes, the cost is high and the efficiency is low; the utility model provides an active and passive combined cold rolling mill aiming at cold rolling forming processing of special-shaped metal wires or precise metal flat wires with the width-thickness ratio of more than 2, which combines processing of a plurality of processes and can produce high-precision precise special-shaped metal wires or precise metal flat wires at high speed.

The utility model provides an active and passive combined cold rolling mill, which comprises a feeding device, a front tension control regulator, a positioning gauge round die box, a first active flat rolling cold rolling mill, a first tension control regulator, an N +1 group cold rolling forming unit, a second passive cross cold rolling mill, a third active flat rolling cold rolling mill, a third tension control regulator, an M +1 group special-shaped passive cold rolling mill, a rear tension control regulator and a finished product winding device, wherein the feeding device, the front tension control regulator, the positioning gauge round die box, the first active flat rolling cold rolling mill, the first tension control regulator, the N +1 group cold rolling forming unit, the second passive cross cold rolling mill, the third active flat rolling cold rolling mill, the third tension control regulator, the M +1 group special-shaped passive cold rolling unit, the rear tension control regulator and the finished product winding device are sequentially arranged from front to back along the motion direction of wires; each cold rolling forming unit comprises a first passive cross cold rolling mill, a second active flat rolling mill and a second tension control regulator which are sequentially arranged along the movement direction of the wire, wherein N is more than or equal to zero; each group of special-shaped passive cold rolling units comprises a first special-shaped passive cross cold rolling mill, a second special-shaped passive cross cold rolling mill and a power unit for drawing wires, wherein the first special-shaped passive cross cold rolling mill, the second special-shaped passive cross cold rolling mill and the power unit are sequentially arranged along the movement direction of the wires, and M is larger than or equal to zero.

In one embodiment, the system further comprises a controller; the first driving flat rolling cold rolling mill, the second driving flat rolling cold rolling mill and the third driving flat rolling cold rolling mill are all electrically connected with the controller, so that the controller controls the first driving flat rolling cold rolling mill, the second driving flat rolling cold rolling mill and the third driving flat rolling cold rolling mill to operate.

In one embodiment, the straightening device further comprises a straightening guide for adjusting the straightness of the wire;

the straightening guider is arranged between the discharging device and the front tension control regulator.

In one embodiment, the front tension control adjuster, the first tension control adjuster, the second tension control adjuster, the third tension control adjuster and the rear tension control adjuster all comprise a cross base, and a fixed guide wheel, a movable guide wheel and a lifting mechanism which are arranged on the cross base;

the cross-shaped base comprises a cross rod frame and a vertical rod frame, fixed guide wheels on the same horizontal line are arranged at two ends of the cross rod frame respectively, and the movable guide wheels are connected with the vertical rod frame through a lifting mechanism so that the lifting mechanism drives the movable guide wheels to move up and down.

In one embodiment, the special-shaped wire straightening machine further comprises a first straightener and a second straightener for adjusting the straightness of the special-shaped wire;

the first leveler is arranged at the front end of the third tension control adjuster, and the second leveler is arranged at the rear end of the second special-shaped passive cross cold rolling mill.

In one embodiment, the wire arranging device further comprises a finished product wire arranging device for arranging wires;

the finished product winding device is arranged between the rear tension control regulator and the finished product winding device, so that the wire rods transmitted by the rear tension control regulator are wound to the finished product winding device after being positioned by the winding displacement of the winding displacement rod of the finished product winding device.

In one embodiment, the finished product take-up device is a reciprocating active-off-axis spool take-up machine;

the finished product winding device comprises a finished product winding base, an I-shaped winding wheel and a material receiving motor; the I-shaped curling wheel is sleeved on the rotating shaft; the rotating shaft is arranged on a bearing seat of the finished product curling base; the material collecting motor is connected with the rotating shaft through a coupler so as to enable the material collecting motor to roll the wire rod on the I-shaped curling wheel by driving the I-shaped curling wheel to rotate.

In one embodiment, the power unit is a twin drum tractor.

In one embodiment, the finished product winding device, the power unit and the emptying device are all electrically connected with the controller.

In one embodiment, the front end of the straightening guide is also provided with a positioning guide wheel for guiding and positioning the wire.

Compared with the prior art, the active and passive combined cold rolling mill provided by the utility model has the following advantages: 1. the efficiency is high: feeding round wire rods into a process to form the round wire rods at a high speed; 2. the precision is high: the wire rod manufactured by combining the active flat rolling cold rolling and the passive cross cold rolling mill can reach the micrometer-level precision; 3. the growth of the metal wire with the complicated section and the special shape is realized; 4. the cost is low: high-speed production and one single process, thereby greatly reducing the production cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of a straightening guide according to an embodiment of the present invention;

FIG. 3 is a side view schematically illustrating the upper straightening wheels in the straightening guide according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a tension control adjuster according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an active cold flat rolling mill in an embodiment provided by the present invention;

FIG. 6 is a schematic diagram of an embodiment of an ecreteur provided in the present invention;

FIG. 7 is a schematic structural diagram of a positioning gauge round mold box in an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a finished cable routing device and a controller according to an embodiment of the present invention;

FIG. 9 is a front view of the power pack in one embodiment of the present invention;

FIG. 10 is a partial schematic illustration of a first power pack in an embodiment of the present invention;

FIG. 11 is a partial schematic illustration of a second power pack in an embodiment of the present invention;

fig. 12 is a schematic structural view of a finished product winding device in an embodiment of the present disclosure.

Reference numerals:

1 discharging device 2 straightening guider 3 preposed tension control regulator

4 location rule round die box 5 first initiative flat rolling cold rolling mill 6 first tension control regulator

7 cold rolling forming unit 8 second passive cross cold rolling mill 9 third active flat cold rolling mill

10 first leveler 124 power unit

11 third tension control regulator 12 rear tension control regulator of special-shaped passive cold rolling unit 13

14 finished product winding device 15 controller 16 finished product winding device

71 first passive cross cold rolling mill 72 second active flat cold rolling mill 73 second tension control regulator

121 first special-shaped passive cross cold rolling mill 122 second special-shaped passive cross cold rolling mill 123 second leveler

110 upper straightening wheels 120 lower straightening wheels 130 positioning guide wheels

310 cross base 320 fixed guide wheel 330 movable guide wheel

340 lifting mechanism 341 rotating connecting rod 342 driving mechanism of movable guide wheel

Roll driving mechanism for roll seat 530 of roll set 510 of 520 roll

102 upper leveling roll system 102 lower leveling roll system 101 rack

1241 Power base 1242 first traction wheel 1243 second traction wheel

1244 roller traction motor 1245 drive shaft 1246 first sprocket

1247 driven shaft 1248 second sprocket 1249 connecting rod

1610 finished product curling base 1620I-shaped curling wheel 1630 material receiving motor

1640 rotary shaft

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in the embodiment of fig. 1 to 12, the utility model provides an active and passive combined cold rolling mill, which comprises a discharging device 1 for discharging a wire rod, a front tension control regulator 3, a positioning gauge circle box 4, a first active flat rolling cold rolling mill 5, a first tension control regulator 6, an N +1 group cold rolling forming unit 7, a second passive cross cold rolling mill 8, a third active flat rolling cold rolling mill 9, a third tension control regulator 11, an M +1 group special-shaped passive cold rolling unit 12, a rear tension control regulator 13 and a finished product winding device 16 for winding a finished wire rod, which are sequentially arranged from front to back along the moving direction of the wire rod; each group of cold rolling forming units 7 comprises a first passive cross cold rolling mill 71, a second active flat rolling mill 72 and a second tension control regulator 73 which are sequentially arranged along the motion direction of the wire rod, wherein N is more than or equal to zero; each group of the special-shaped passive cold rolling units 12 comprises a first special-shaped passive cross cold rolling mill 121, a second special-shaped passive cross cold rolling mill 122 and a power unit 124 for drawing the wires, wherein the first special-shaped passive cross cold rolling mill 121, the second special-shaped passive cross cold rolling mill 122 and the power unit 124 are sequentially arranged along the movement direction of the wires, and M is larger than or equal to zero.

Specifically, the working process of the active and passive combined cold rolling mill provided by the utility model is as follows: sleeving a metal wire loaded with a metal wire raw material on a feeding device 1, drawing the metal wire out, sequentially passing through a front tension control regulator 3, a positioning gauge circular die box 4, a first active flat rolling cold-rolling mill 5, a first tension control regulator 6, an N +1 cold-rolling forming unit 7 (sequentially passing through a first passive cross cold-rolling mill 71, a second active flat rolling cold-rolling mill 72 and a second tension control regulator 73), a second passive cross cold-rolling mill 8, a third active flat rolling mill 9, a third tension control regulator 11, an M +1 special-shaped passive cold-rolling mill unit 12 (sequentially passing through a first special-shaped passive cross cold-rolling mill 121, a second special-shaped passive cross cold-rolling mill 122, a power unit 124 and a rear tension control regulator 13), and finally fixing the metal wire on a finished product winding device 16;

during specific work, metal wires are fed through the feeding device 1, sequentially pass through the preposed tension control regulator 3 and the positioning gauge circle die box 4, and sequentially enter the first active flat rolling cold rolling mill 5 and the first tension control regulator 6; the preposed tension control regulator 3 controls the tension regulation movable guide wheel 330 to reciprocate up and down to press the metal wire to control the speed of the metal wire, so that the discharging speed of the discharging device 1 is regulated; the positioning gauge circle die box 4 is used for regulating a fed material, positioning a flat rolling wheel position of the first driving flat rolling cold rolling mill 5, providing stable reverse tension for the first driving flat rolling cold rolling mill 5, ensuring the size precision and straightness of a material rolled by the first driving flat rolling cold rolling mill 5, rolling the thickness of a metal wire by the first driving flat rolling cold rolling mill 5, and regulating the speed of the first driving flat rolling cold rolling mill 5 by controlling the speed of the metal wire by the first tension control regulator 6 at the rear end of the first tension control regulator;

then the wire rod enters an N +1 group cold rolling forming unit 7, namely passes through a first passive cross cold rolling mill 71, a second active flat rolling mill 72 and a second tension control regulator 73 in sequence; the first passive cross cold rolling mill 71 is used for finishing the width of the metal wire, and the first passive cross cold rolling mill 71 is used for finishing the width of the metal wire so as to ensure the width precision and the straightness of the material after each pass of flat rolling and provide stable reverse tension for each pass of flat rolling; then the second active cold flat rolling mill 72 rolls the metal wire to be thick, and a second tension control regulator 73 at the rear end of the second active cold flat rolling mill 72 regulates the rolling speed of the second active cold flat rolling mill 72 by controlling the speed of the metal wire;

the metal wire rod after being rolled by the cold rolling forming unit 7 sequentially passes through a second passive cross cold rolling mill 8, a third active flat rolling cold rolling mill 9, a third tension control regulator 11 and an M +1 group of special-shaped passive cold rolling units 12 (sequentially passes through a first special-shaped passive cross cold rolling mill 121, a second special-shaped passive cross cold rolling mill 122 and a power unit 124); the power unit 124 provides power for the traction of the metal wire, the second passive cross cold rolling mill 8 refines the width of the metal wire, and the first passive cross cold rolling mill 71 refines the width of the metal wire to ensure the width precision and the straightness of the metal wire after each pass of flat rolling and provide stable reverse tension for each pass of flat rolling; then the third active flat rolling cold rolling mill 9 rolls the metal wire, and the third tension control regulator 11 at the rear end of the third active flat rolling cold rolling; the first special-shaped passive cross cold rolling mill 121 and the second special-shaped passive cross cold rolling mill 122 perform special-shaped cold rolling on the wire, and the first special-shaped passive cross cold rolling mill 121, the second special-shaped passive cross cold rolling mill 122 and the power unit 124 form a passive rolling special shape to prepare a finished product;

finally, the finished product winding device 16 provides power, the wire finished product is wound into the finished product winding device 16 through the post-tension control regulator 13, wherein the post-tension control regulator 13 regulates the wire material receiving speed of the finished product winding device 16 by controlling the speed of the metal wire.

It should be noted that:

in the embodiments shown in fig. 1 to 12 provided by the present invention, N +1 cold rolling forming unit 7 is 3, that is, N is 3, and M +1 special-shaped passive cold rolling unit 12 is 1, that is, M is 0, according to the above design concept, a person skilled in the art can adjust the number of the cold rolling forming unit 7 and the special-shaped passive cold rolling unit 12 according to the wire processing requirement, including but not limited to the solutions shown in the embodiments;

the active flat rolling cold rolling mill is the prior art, as shown in fig. 5, each of the first active flat rolling cold rolling mill 5, the second active flat rolling cold rolling mill 72, and the third active flat rolling cold rolling mill 9 includes a roll base 510, a roll set 520 formed by a first roll and a second roll arranged up and down, and a roll driving mechanism 530 for driving the rolls to rotate, and the specific working mechanism of the wire actively rolled by the active flat rolling cold rolling mill is the prior art, and will not be described herein; specifically, the active flat rolling cold rolling mill can adopt the existing device, and according to the conception, a person skilled in the art can select a proper model according to the requirement;

the passive cross cold rolling mill is the prior art, as shown in the embodiment shown in fig. 1 to 12, the cross cold rolling mills in the embodiment, that is, the first passive cross cold rolling mill 71, the second passive cross cold rolling mill 8, the first special-shaped passive cross cold rolling mill 121 and the second special-shaped passive cross cold rolling mill 122 all adopt the existing passive cross cold rolling mills, each existing passive cross cold rolling mill comprises a base and a roll mechanism arranged on the base, each roll mechanism comprises four rolls which are distributed at 90 degrees, the rolls are distributed in a cross shape relative to a rolled piece and can also be distributed in an X shape, the specific working mechanism of the passive cross cold rolling mill is the prior art, and description is omitted herein; specifically, the passive cross cold rolling mill can be an existing device, for example, a passive cross cold rolling mill with model number SP50, model number SP85, model number SP125 and model number SP160 manufactured by catallants line company, and those skilled in the art can select an appropriate model number according to requirements, including but not limited to the above options; the shape of the rollers in the first special-shaped passive cross cold rolling mill 121 and the second special-shaped passive cross cold rolling mill 122 can be adjusted and designed according to the size and structure requirements of the profiled bars;

the positioning gauge round die box 4 is used for regulating a fed wire to improve the rolling quality of the rear wire, the positioning gauge round die box 4 is the existing positioning gauge round die box 4, the positioning gauge round die box 4 adopted in the embodiment comprises a die seat and a positioning gauge round die, the positioning gauge round die is a die body with a through hole in a certain shape formed in the inner part, and the positioning gauge round die is fixedly arranged in the die seat and arranged along the moving direction of the wire; when the wire rod rounding machine is used, a wire rod penetrates through the inside of the positioning rounding die and enters the next working procedure, and the positioning rounding die box 4 rounds and shapes the wire rod to form the wire rod with specified straightness and compasses.

The utility model fully utilizes the advantages of active flat rolling and cold rolling and the advantages of a passive cross cold rolling mill, combines a plurality of procedures, and can efficiently produce precise special-shaped metal wires or precise metal flat wires: the positioning gauge circle die box 4 is used in the active and passive combined cold rolling mill, so that the fed material is normalized, the flat rolling wheel position of the first active flat rolling cold rolling mill 5 is positioned, stable reverse tension is provided for the first active flat rolling cold rolling mill 5, and the size precision and the straightness of the first rolled material are ensured; finishing the width by using a first driven cross cold rolling mill 71 and a second driven cross cold rolling mill 8 to ensure the width precision and the straightness of the material after each pass of flat rolling and provide stable reverse tension for each pass of flat rolling; the first special-shaped passive cross cold rolling mill 121, the second special-shaped passive cross cold rolling mill 122 and the power unit 124 are used for forming a passive rolling special shape. In conclusion, the active and passive combined cold rolling mill provided by the utility model has the following advantages: 1. the efficiency is high: feeding round wire rods into a process to form the round wire rods at a high speed; 2. the precision is high: the wire rod manufactured by combining the active flat rolling cold rolling and the passive cross cold rolling mill can reach the micrometer-level precision; 3. the growth of the metal wire with the complicated section and the special shape is realized; 4. the cost is low: high-speed production and one single process, thereby greatly reducing the production cost.

Preferably, a controller 15 is also included; the first driving cold flat rolling mill 5, the second driving cold flat rolling mill 72 and the third driving cold flat rolling mill 9 are all electrically connected with the controller 15, so that the controller 15 controls the first driving cold flat rolling mill 5, the second driving cold flat rolling mill 72 and the third driving cold flat rolling mill 9 to operate.

In specific implementation, the roller driving mechanisms 530 of the first active cold flat rolling mill 5, the second active cold flat rolling mill 72 and the third active cold flat rolling mill 9 are electrically connected to the controller 15, and the controller 15 can control the operation of the roller driving mechanisms 530 to control the operation state of the rollers of the active cold flat rolling mill, for example, in some embodiments, the roller driving mechanisms 530 adopt motors, and the controller 15 controls the motor to start, close, rotate forward and backward and other movement states to control the movement of the rollers, so as to control the operation of the first active cold flat rolling mill 5 and the second active cold flat rolling mill 72. The control mode of the controller 15 for controlling the operation of the active cold flat rolling mill is the prior art, and the working principle of the controller is not described in a tired manner.

The controller 15 is a conventional art, and has a programmable memory function for storing a program therein, executing instructions for a user such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or manufacturing processes through digital or analog input/output. The working principles of data processing and control of various machines or production processes are not described in further detail.

Further, the controller 15 may be a controller 15 with a display control panel or control buttons.

An operator can issue an instruction and set related parameters and the like through a display control panel or a control button of the controller 15, and the controller 15 feeds an electric signal back to devices such as an active flat rolling cold rolling mill and the like to control the operation of the devices, so that man-machine interaction management is realized.

Preferably, the straightening device also comprises a straightening guide 2 for adjusting the straightness of the wire; the straightening guider 2 is arranged between the emptying device 1 and the front tension control regulator 3.

The straightening guide 2 is used for adjusting the straightness of the wire entering the front tension control regulator 3, and is beneficial to production continuity and improvement of production efficiency; as shown in fig. 2, the straightening guide 2 in this embodiment includes two rows of upper and lower two sets of straightening wheels parallel to each other, the side surfaces of the straightening wheels are provided with grooves, and the straightening wheels are staggered and arranged in a cross manner; when the straightening machine is used, wires penetrate through groove holes reserved in the side faces of the two groups of mutually staggered straightening wheel sets, wherein the reciprocating linear motion mechanisms (such as hydraulic cylinders, pneumatic cylinders and other linear motion mechanisms) arranged above the upper straightening wheels 110 press the upper straightening wheels 110 downwards, bending deformation of the wires in the vertical direction can be straightened, straightening in the horizontal direction is limited by grooves in the side faces of the upper straightening wheels 110 and the lower straightening wheels 120, the grooves of the upper straightening wheels 110 are also in the same straight line due to the fact that the grooves of the lower straightening wheels 120 are in the same straight line, the two groups of grooves are opposite, bending deformation of the wires in the horizontal direction is limited, and the yield is improved.

It should be noted that besides the guide wheel type straightening guide 2 shown in the embodiment, a person skilled in the art may also select other types or models of existing straightening guides 2, including but not limited to the solutions described in the embodiments.

Preferably, the front end of the straightening guide 2 is further provided with a positioning guide wheel 130 for guiding and positioning the wire; the positioning and guiding wheel 130 is used for positioning and guiding the wire rod entering the straightening guider 2 from the discharging device 1.

Preferably, the front tension control adjuster 3, the first tension control adjuster 6, the second tension control adjuster 73, the third tension control adjuster 11 and the rear tension control adjuster 13 each comprise a cross base 310, and a fixed guide wheel 320, a movable guide wheel 330 and a lifting mechanism 340 which are arranged on the cross base 310; the cross-shaped base 310 comprises a cross bar frame and a vertical bar frame, wherein two ends of the cross bar frame are respectively provided with a fixed guide wheel 320 on the same horizontal line, and the movable guide wheel 330 is connected with the vertical bar frame through a lifting mechanism 340, so that the lifting mechanism 340 drives the movable guide wheel 330 to move up and down.

When the wire rod is used, the wire rod penetrates through the upper parts of the two fixed guide wheels 320, and the movable guide wheel 330 is driven by the lifting mechanism 340 to move up and down in a reciprocating manner; during operation, the movable guide wheel 330 reciprocates up and down to adjust the tension and speed of the wire by pressing down and applying force to the wire, and the tension control adjuster is used for controlling the tension of the wire by matching with the front-end process device and the rear-end process device.

As shown in the embodiment of fig. 4, the structure of the lifting mechanism 340 in this embodiment may specifically be: the lifting mechanism 340 comprises a rotating connecting rod 341 and a movable guide wheel driving mechanism 342, one end of the rotating connecting rod 341 is rotatably connected with the vertical rod frame, and the other end is connected with the movable guide wheel 330; the movable guide wheel driving mechanism 342 is connected to the vertical rod frame, and the other end of the movable guide wheel driving mechanism 342, i.e., the output end thereof, is connected to the rotating link 9341, so that the movable guide wheel driving mechanism 342 drives the rotating link 341 to rotate, thereby driving the movable guide wheel 330 to move up and down.

It should be noted that: the movable guide wheel driving mechanism 342 can use the existing reciprocating linear motion mechanism, such as a pneumatic/hydraulic cylinder, including but not limited to the reciprocating linear motion mechanism in the embodiment; the tension control regulator is an existing tension regulating device for regulating the tension of the wire, and a person skilled in the art can select an existing tension regulating device of a suitable type and model according to requirements, including but not limited to the scheme described in the embodiment.

Preferably, the special-shaped wire straightening machine further comprises a first straightener 10 and a second straightener 123 for adjusting the straightness of the special-shaped wire; the first leveler 10 is arranged at the front end of the third tension control adjuster 11, and the second leveler 123 is arranged at the rear end of the second special-shaped passive cross cold rolling mill 122.

The leveler is arranged for adjusting the straightness of the flat wire, so that the production continuity is facilitated, the production efficiency is improved, and the quality of the manufactured wire is improved. As shown in fig. 6, the leveler in this embodiment includes a frame 101, two rows of leveling roller systems (i.e., an upper leveling roller system 102 and a lower leveling roller system 102) disposed on the frame 101, a lower pressing driving device for driving the upper leveling roller system 102 to move downward, and an upper driving device for driving the lower leveling roller system 102 to move upward; the leveler adjusts the straightness of the flat wire through the upper leveling roller and the lower leveling roller, so that the product quality is improved, and the yield is improved.

It should be noted that the first leveler 10 and the second leveler 123 are linear levelers conventionally used in an existing wire production line, and the working principle thereof is not described again, and those skilled in the art can select an appropriate type of existing commercially available leveler according to the needs.

Preferably, as shown in fig. 8, a finished wire arranging device 14 for arranging wires is further included; the finished product winding displacement device 14 is installed between the post tension control regulator 13 and the finished product winding device 16, so that the wire rods transmitted by the post tension control regulator 13 are wound to the finished product winding device 16 after being wound and positioned by the winding displacement rod 1430 of the finished product winding displacement device 14.

It should be noted that, besides the finished traverse 14 used in the present embodiment, a person skilled in the art can select other existing finished traverse 14, including but not limited to the solutions described in the above embodiments.

Preferably, the finished product winding device 16 is a reciprocating type active shaft-disengaging spool material receiving machine;

the finished product winding device 16 comprises a finished product winding base 1610, an i-shaped winding wheel 1620 and a material receiving motor 1630; the spool 1620 is sleeved on the rotating shaft 1640; the shaft 1640 is disposed on the bearing seat of the finished crimped base 1610; the material receiving motor 1630 is connected with the rotating shaft 1640 through a coupler, so that the material receiving motor 1630 winds the wire material on the l-shaped curling wheel 1620 by driving the l-shaped curling wheel 1620 to rotate.

When the metal wire winding machine is used, the material receiving motor 1630 provides power, and the shaft coupling drives the rotating shaft 1640 to rotate so as to drive the I-shaped winding wheel 1620 to rotate, so that metal wires can be wound on the I-shaped winding wheel 1620; wherein the finished product curl weight is set according to customer requirements.

Preferably, the power unit 124 is a twin drum tractor.

Further, as shown in the embodiment of fig. 1-12, the twin drum tractor in this embodiment includes a power base 1241, a first traction wheel 1242, a second traction wheel 1243, and a drum traction motor 1244; the first traction wheel 1242 is provided with a driving shaft 1245; the driving shaft 1245 is arranged on a bearing seat of the power base 1241; the driving shaft 1245 is provided with a first chain wheel 1246; the second traction wheel 1243 is provided with a driven shaft 1247; the driven shaft 1247 is arranged on a bearing seat of the power base 1241; the driven shaft 1247 is provided with a second chain wheel 1248; a second chain is sleeved between the first chain wheel 1246 and the second chain wheel 1248; the driving shaft 1245 is connected to the driven shaft 1247 through a connecting rod 1249; the drum traction motor 1244 is connected to the drive shaft 1245 by a coupling. Further, a wire pressing wheel is arranged above the first traction wheel 1242 and the second traction wheel 1243.

In specific implementation, as shown in fig. 1-12, power is provided by a drum traction motor 1244 and transmitted to a first traction wheel 1242 by a coupling; the first traction wheel 1242 and the second traction wheel 1243 are driven by a chain wheel and a chain, and the first traction wheel 1242 drives the second traction wheel 1243 to rotate under the action of the connecting rod 1249; the metal wire is pulled to move forward on the power unit 124 by the friction force between the metal material and the surface of the traction wheel. Wire pressing wheels are arranged above the first traction wheel 1242 and the second traction wheel 1243, the height of the metal wire can be limited, and the wire pressing wheels are used for positioning the metal wire.

It should be noted that besides the double-drum traction machine described in the embodiment, a person skilled in the art may also select other existing power units 124 for supplying power to the traction wire, including but not limited to the double-drum traction machine described in the above embodiment.

Preferably, the emptying device 1 is a driving spool emptying machine. The driving spool discharging machine provided by the embodiment comprises a discharging wheel base, an I-shaped discharging wheel which is arranged on the discharging wheel base and can freely rotate, and a discharging motor for driving the I-shaped discharging wheel to rotate; when the wire winding machine is used, an unprocessed wire is wound on the I-shaped discharging wheel and is discharged through the rotation of the I-shaped discharging wheel. It should be noted that, the driving spool feeding machine is an existing device, and a person skilled in the art can select an appropriate type and model according to requirements.

Preferably, the finished product winding device 16, the power unit 124 and the emptying device 1 are all electrically connected with the controller 15.

In specific implementation, the controller 15 controls the operations of the material receiving motor 1630 of the finished product winding device 16, the roller traction motor 1244 of the power unit 124 (dual roller tractor) and the emptying motor of the emptying device 1, for example, controls the operation states of the motors, such as on, off, forward and reverse rotation, and the like, so as to control the movements of the finished product winding device 16, the dual roller tractor and the emptying device 1.

Although terms such as emptying device, pre-tension control regulator, positioning gauge round box, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. An active and passive combined cold rolling mill is characterized in that: the wire rod coiling device comprises a wire rod feeding device (1), a front tension control regulator (3), a positioning gauge round die box (4), a first driving flat rolling cold rolling mill (5), a first tension control regulator (6), an N +1 group of cold rolling forming units (7), a second driven cross cold rolling mill (8), a third driving flat rolling cold rolling mill (9), a third tension control regulator (11), an M +1 group of special-shaped driven cold rolling units (12), a rear tension control regulator (13) and a finished product coiling device (16) for coiling a wire rod finished product, wherein the wire rod feeding device (1), the front tension control regulator (3), the positioning gauge round die box (4), the first driving flat rolling cold rolling mill (5), the first tension control regulator (6), the N +1 group of cold rolling forming units (7), the second driven cross cold rolling mill (8), the third driving flat rolling cold rolling mill (9), the third tension control regulator (11), the M +1 group of special-shaped driven cold rolling units (12), the rear tension control regulator (13) and the finished product coiling device (16) for coiling the wire rod finished product;

each group of cold rolling forming units (7) comprises a first passive cross cold rolling mill (71), a second active flat rolling mill (72) and a second tension control regulator (73) which are sequentially arranged along the movement direction of the wire rod, wherein N is more than or equal to zero;

each group of special-shaped passive cold rolling units (12) comprises a first special-shaped passive cross cold rolling mill (121), a second special-shaped passive cross cold rolling mill (122) and a power unit (124) for drawing wires, wherein the first special-shaped passive cross cold rolling mill and the second special-shaped passive cross cold rolling mill are sequentially arranged along the movement direction of the wires, and M is larger than or equal to zero.

2. The active-passive combined cold-rolling mill according to claim 1, characterized in that: further comprising a controller (15); the first driving cold flat rolling mill (5), the second driving cold flat rolling mill (72) and the third driving cold flat rolling mill (9) are electrically connected with the controller (15) so that the controller (15) controls the first driving cold flat rolling mill (5), the second driving cold flat rolling mill (72) and the third driving cold flat rolling mill (9) to operate.

3. The active-passive combined cold-rolling mill according to claim 1, characterized in that: the straightening machine also comprises a straightening guide (2) used for adjusting the straightness of the wire;

the straightening guider (2) is arranged between the emptying device (1) and the front tension control regulator (3).

4. The active-passive combined cold-rolling mill according to claim 1, characterized in that: the front tension control regulator (3), the first tension control regulator (6), the second tension control regulator (73), the third tension control regulator (11) and the rear tension control regulator (13) respectively comprise a cross base (310), and a fixed guide wheel (320), a movable guide wheel (330) and a lifting mechanism (340) which are arranged on the cross base (310);

the cross-shaped base (310) comprises a cross rod frame and a vertical rod frame, fixed guide wheels (320) which are positioned on the same horizontal line are arranged at two ends of the cross rod frame respectively, and the movable guide wheels (330) are connected with the vertical rod frame through lifting mechanisms (340) so that the lifting mechanisms (340) drive the movable guide wheels (330) to move up and down.

5. The active-passive combined cold-rolling mill according to claim 1, characterized in that: the special-shaped wire straightening machine further comprises a first straightener (10) and a second straightener (123) which are used for adjusting the straightness of the special-shaped wire;

the first leveler (10) is arranged at the front end of the third tension control regulator (11), and the second leveler (123) is arranged at the rear end of the second special-shaped passive cross cold rolling mill (122).

6. The active-passive combined cold-rolling mill according to claim 1, characterized in that: the wire arranging device also comprises a finished product wire arranging device (14) for arranging wires;

the finished product winding displacement device (14) is arranged between the rear tension control regulator (13) and the finished product winding device (16), so that the wires transmitted by the rear tension control regulator (13) are wound to the finished product winding device (16) after being positioned by the winding displacement rod of the finished product winding displacement device (14).

7. The active-passive combined cold-rolling mill according to claim 1, characterized in that: the finished product winding device (16) is a reciprocating type active shaft-disengaging spool material receiving machine;

the finished product rolling device (16) comprises a finished product rolling base (1610), an I-shaped rolling wheel (1620) and a material receiving motor (1630); the I-shaped crimping wheel (1620) is sleeved on the rotating shaft (1640); the rotating shaft (1640) is arranged on a bearing seat of the finished crimping base (1610); the material collecting motor (1630) is connected with the rotating shaft (1640) through a coupler, so that the material collecting motor (1630) winds the wire material on the I-shaped curling wheel (1620) by driving the I-shaped curling wheel (1620) to rotate.

8. The active-passive combined cold-rolling mill according to claim 1, characterized in that: the power unit (124) is a double-roller tractor.

9. The active-passive combined cold-rolling mill according to claim 1, characterized in that: the finished product winding device (16), the power unit (124) and the emptying device (1) are electrically connected with the controller (15).

10. The active-passive combined cold-rolling mill according to claim 3, characterized in that: the front end of the straightening guider (2) is also provided with a positioning guide wheel (130) for guiding and positioning the wire.

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