CN219401703U - Sliding type multi-mode wire drawing system for processing metal wire - Google Patents

Abstract

The utility model belongs to the technical field of multi-mode drawing of metal wires, in particular relates to a sliding multi-mode wire drawing system for processing metal wires, and solves the problems that when an existing sliding multi-mode wire drawing system is used for drawing micro-filament wires, wire breakage is easy to occur, drawing efficiency is low, and the prepared wire finished product has uneven tissues and poor performance. The system is characterized in that: comprises a wire drawing winding drum, a wire drawing die clamping seat, a plurality of wire drawing dies, a paying-off machine and a wire collecting machine; the wire drawing winding drum comprises a left winding drum and a right winding drum which are vertically arranged on the same horizontal plane and are of a multi-layer tower type structure; the diameters of the left winding drum and the right winding drum from the second layer to the upper layer of the tower are determined by the same mechanical face reduction rate; the wire drawing die clamping seat is fixedly arranged between the left winding drum and the right winding drum; the wire drawing die clamping seat is provided with clamping grooves for placing the wire drawing die at the height positions corresponding to the annular wire guide grooves on each layer of tower table of the right winding drum, and wires passing through the die holes of the wire drawing die are tangent to the left winding drum and the right winding drum on the corresponding layer.

Description

Sliding type multi-mode wire drawing system for processing metal wire

Technical Field

The utility model belongs to the technical field of multi-mode drawing of metal wires, and particularly relates to a sliding multi-mode drawing system for processing metal wires.

Background

The titanium alloy has the advantages of low density, high specific strength, good corrosion resistance, heat resistance, good machinability and the like, and the wire product of the titanium alloy is widely applied to the fields of aerospace, biomedical treatment, daily life and the like.

Currently, there are mainly two typical multimode drawing methods for titanium alloy wires: a wire storage type multimode continuous drawing is characterized in that a wire rod is subjected to wire drawing die and then a certain number of turns of wire rod are accumulated on a winding drum to adjust the linear speed and the winding drum speed, so that relative sliding between the wire rod and the winding drum is eliminated, the wire rod stroke in the wire drawing process is complex, and the wire rod with a certain number of turns is wound on the winding drum to eliminate the relative sliding, so that high-speed drawing cannot be adopted, the production efficiency is low, tension is generated at frequent times in the wire drawing process, and the wire rod is easy to break when the wire rod is drawn, so that the wire rod is not suitable for drawing the wire rod; the other is sliding type multimode drawing, the method leads the wire to continuously pass through a winding drum and a wire drawing die, the total extension coefficient in the wire drawing is large, the drawing speed is improved relative to the wire storage type multimode continuous drawing, and the method is suitable for drawing metals and alloys which can bear large pulling force, have wear-resistant surfaces, good plasticity and large total processing rate and can bear high-speed deformation, and is suitable for drawing the wire. However, when the existing sliding type multi-mode wire drawing system is used for drawing a micro-filament (the diameter is smaller than 0.5 mm), wire breakage is easy to occur, the drawing speed cannot be too high, the drawing efficiency is low, the grain refinement of the prepared filament finished product is insufficient, the structure is uneven, and the performance is poor.

Disclosure of Invention

The utility model aims to provide a sliding type multi-mode wire drawing system for processing metal wires, which solves the technical problems that when the existing sliding type multi-mode wire drawing system is used for drawing micro-filament wires (the diameter is smaller than 0.5 mm), wire breakage easily occurs, the drawing speed cannot be too high, the drawing efficiency is low, the grain refinement of the prepared finished wire products is insufficient, the structure is uneven and the performance is poor.

The utility model adopts the technical scheme that a sliding type multi-mode wire drawing system for processing metal wires is characterized in that:

the wire drawing machine comprises a wire drawing winding drum, a wire drawing die clamping seat, a plurality of wire drawing dies with different specification die hole diameters, a wire paying-off machine and a wire collecting machine;

the wire drawing winding drum comprises a left winding drum and a right winding drum; the left winding drum and the right winding drum are of multilayer tower table type structures and are vertically arranged on the same horizontal plane; the left winding drum and the right winding drum can synchronously rotate; the left winding drum and the right winding drum are arranged in sequence from bottom to top, the appearance and the size of corresponding towers with the same layer number are the same, coaxial annular wire guide grooves are formed in the outer cylindrical surface of each layer of towers, the diameter of each layer of towers is determined by the same mechanical face reduction rate from the second layer to top; the number of layers of the left reel tower is larger than that of the right reel tower;

the wire drawing die clamping seat is fixedly arranged between the left winding drum and the right winding drum; the clamping grooves for placing the wire drawing dies are arranged on the wire drawing die clamping seat at the height positions corresponding to the annular wire guide grooves on each layer of tower of the right winding drum, and wire passing grooves for respectively communicating the clamping grooves with the left end face and the right end face of the wire drawing die clamping seat are respectively arranged on the left side and the right side of the clamping grooves; the sizes of the clamping groove and the wire passing groove meet the following conditions: when the wire drawing die is placed in the clamping groove, the wire passing through the die hole of the wire drawing die is tangent to the left winding drum and the right winding drum on the corresponding layer;

the paying-off machine is arranged at the left side of the left winding drum;

the wire rewinding machine is arranged on the right side of the right winding drum.

Further, in order to ensure the dimensional accuracy and the surface quality of the drawn wire, the effect of drawing the micro-fine wire is better, and the wire drawing die adopts a polycrystalline or diamond wire drawing die.

Further, in order to simplify the structure of the wire drawing die clamping seat, the wire drawing die clamping seat is fixedly arranged on the same horizontal plane;

the front surface of the wire drawing die clamping seat is stepped from bottom to top; the number of the step-shaped corresponding steps is equal to the number of layers of the towers on the right winding drum, the steps of each layer are sequenced from bottom to top, the height of each layer along the vertical direction is equal to the height of the towers on the corresponding layer with the same number of layers on the right winding drum, the distance between the vertical step surfaces of two adjacent layers along the front-back direction is equal to the difference value between the radiuses of the towers of the corresponding two layers of towers with the same number of layers, and the vertical step surface of the upper layer is far away from a plane determined by the axes of the left winding drum and the right winding drum relative to the vertical step surface of the lower layer; the clamping groove is formed in the step surface of each step corresponding to the step shape along the vertical direction.

Further, in order to facilitate processing of the wire drawing die clamping seat and facilitate positioning during installation, the left and right surfaces and the rear surface of the wire drawing die clamping seat are all planar, and the left and right surfaces, the rear surface and the vertical step surfaces corresponding to the stepped shapes of the wire drawing die clamping seat are all perpendicular to the same horizontal plane; the distance from the axis of the left winding drum to the left surface of the wire drawing die clamping seat is equal to the distance from the axis of the right winding drum to the right surface of the wire drawing die clamping seat; the rear surface of the wire drawing die clamping seat is coplanar with a plane determined by the axes of the left winding drum and the right winding drum;

the annular guide wire groove is positioned in the middle of each layer of tower table along the vertical direction;

the clamping groove is positioned at the center of the step surface of each layer of step along the vertical direction.

Further, in order to match proper drawing passes, a movable guide wheel assembly is arranged between the paying-off machine and the left winding drum;

the movable guide wheel assembly comprises a movable guide wheel; the movable guide wheel can move up and down along the vertical direction and is used for sequentially guiding the wire materials discharged by the paying-off wheel on the paying-off machine into the left winding drum and the die holes on the wire drawing die at the lowest layer in the wire drawing die used during wire drawing, and the wire materials are always in the horizontal plane after passing through the movable guide wheel in the guiding process.

In this way, the proper drawing pass can be matched by adjusting the up-down position of the movable guide wheel.

Further, in order to simplify the structure of the movable guide wheel assembly, the movable guide wheel assembly further comprises a movable guide wheel assembly mounting plate, a bolt, a first locking gasket and a second locking gasket;

the movable guide wheel assembly mounting plate is vertically and fixedly arranged at the left side of the left winding drum on the same horizontal plane, and the plate surface of the movable guide wheel assembly mounting plate extends along the left-right direction; a vertical guide groove penetrating through the front plate surface and the rear plate surface along the up-down direction is formed in the movable guide wheel assembly mounting plate;

the bolt sequentially passes through the movable guide wheel, the first locking gasket, the guide groove and the second locking gasket; the first locking gasket and the second locking gasket are respectively provided with internal threads matched with the bolts, and the internal threads are used for locking the bolts on the mounting plate of the movable guide wheel assembly so as to realize the positioning of the movable guide wheel after the movable guide wheel moves up and down to a required position along the vertical direction; and the movable guide wheel is in clearance fit with the bolt.

The movable guide wheel is in clearance fit with the bolt, so that the movable guide wheel can rotate relative to the bolt, when in drawing, the wire is driven to rotate around the bolt, so that the wire and the movable guide wheel move in a rolling way, when the guide wheel moves in a sliding mode relative to the static guide wheel and the wire, the friction force is large, the wire is easy to wear and scratch, the rolling mode has small motion friction force, and the wire can be prevented from being scratched.

Further, in order to conveniently control the travelling path of the wire drawn from the tower at the uppermost layer of the left winding drum to enter the wire winding wheel on the wire winding machine, a fixed guide wheel assembly is arranged between the left winding drum and the wire winding machine;

the fixed guide wheel assembly is used for guiding the wire pulled out from the tower at the uppermost layer of the left winding drum into a take-up wheel on the take-up machine.

Further, in order to adjust the tension during drawing so as to achieve a stable paying-off effect, and in the wire drawing process, a counter tension opposite to the drawing force is formed at the other end of the wire, so that the drawing force on the wire is reduced, the drawing speed can be further increased, the drawing efficiency is improved, and the paying-off machine is provided with a tension control mechanism;

when the left winding drum and the right winding drum synchronously rotate, the linear speed corresponding to the point tangent to the wire on the annular wire guide groove is smaller than the advancing speed of the wire driven by the wire winding machine.

In addition, the drawing force on the wire is reduced, and the probability of wire stretch is correspondingly reduced.

Further, a spherical table-shaped structure is formed between the upper end face of the annular guide wire groove and the upper end face of the layer of tower where the annular guide wire groove is located, and between the lower end face of the annular guide wire groove and the lower end face of the layer of tower where the annular guide wire groove is located. The outer cylindrical surface of each layer of tower is designed to be in a spherical table-shaped structure from top to bottom, and the middle of each layer of tower is designed with an annular guide wire groove, so that the metal wire can move up and down when the wire is just pulled, the existence of the spherical table-shaped structure below can prevent the metal wire from sliding out of the tower, and the wire can be subjected to the reaction force of the spherical surface of the spherical table-shaped structure when the wire touches the spherical table-shaped structure, so that the wire can move to the annular guide wire groove in the middle of the tower, and the wire is protected from being stretched when the wire is just pulled; when the wire moves to the upper spherical table-shaped structure, the wire can also move to the annular wire guide groove in the middle of the tower due to the spherical surface of the spherical table-shaped structure, so that friction between the wire and the end surface of the tower when the wire is drawn is reduced, and the wire is protected from being stretched.

Further, in order to facilitate the movement of the sliding type multi-mode wire drawing system for processing the metal wire, the utility model further comprises a wire drawing system mounting base;

the same horizontal plane is a horizontal table top at the upper part of the installation base of the wire drawing system.

The beneficial effects of the utility model are as follows:

(1) The sliding type multi-mode wire drawing system for processing the metal wire comprises a wire drawing winding drum, wherein the wire drawing winding drum comprises a left winding drum and a right winding drum, the left winding drum and the right winding drum are of a multi-layer tower type structure, compared with the existing sliding type multi-mode wire drawing system, under the condition of a certain total deformation, the sliding type multi-mode wire drawing system has the advantages that the number of wire drawing passes is large, the single-pass deformation is small, the required drawing force is small, the drawing is easier, the drawing speed can be increased, and the drawing efficiency is improved; meanwhile, the drawing force is small, and the probability of broken wires is correspondingly reduced; the same total deformation is drawn, the number of passes is less than that of the passes, and the drawing is more uniform; secondly, in the sliding type multi-mode wire drawing system for processing the metal wire, the diameter of each layer of tower is determined by the same mechanical surface reduction rate from the second layer upwards, so that the diameter of a die hole of a wire drawing die is matched with the die surface reduction rate, each pass is the same, the wire bears uniform tension change on different layers of the tower, the wire is uniformly stressed on each layer, the grain refinement degree of the prepared finished wire is high, the structure is uniform, and the finished wire has excellent performance; in addition, in the sliding type multi-mode wire drawing system for processing the metal wire, when the wire drawing die is placed in the clamping groove, the wire passing through the die hole of the wire drawing die is tangent to the left winding drum and the right winding drum on the corresponding layer, so that the wire and the wire drawing die can be always kept vertical on one hand, the wire bears the same extrusion force applied to the center of the wire from the die hole of the wire drawing die when passing through the die hole of the wire drawing die, the wire is uniformly and stably deformed and is not easy to break, the single weight is improved, and the prepared finished wire has uniform tissue; on the other hand, the problems that if the wire is wound out from the left winding drum, the axis of the die hole of the wire drawing die and the tangential point of the wire wound into the right winding drum are avoided, when the three positions are not on the same line on the same plane, the wire enters the wire drawing die and does not form a vertical relationship with the wire drawing die, and when the wire is drawn, the deformation of one side of the wire is large, the deformation of the other side is small, and the wire is easily stretched out are avoided; in the sliding type multi-mode wire drawing system for processing the metal wire, the number of layers of the left winding drum tower is larger than that of the right winding drum tower, and the arrangement can relieve the speed difference between the speed of the wire passing through the wire drawing winding drum and the speed of the wire entering the wire winding machine, so that the wire breakage probability of the wire is reduced, the single weight of the wire is improved, the time waste caused by the readjustment procedure and the like when the prepared wire finished product is used for preparing other products in the follow-up process is reduced, and the equipment maintenance time is shortened; in the sliding type multi-mode wire drawing system for processing the metal wire, the left winding drum and the right winding drum synchronously rotate during drawing, the wire and the wire drawing winding drum move in a rolling mode, the required drawing force is small, the drawing speed can be further increased, and the drawing efficiency is improved; therefore, the utility model solves the technical problems that when the traditional sliding type multi-die wire drawing system is used for drawing a micro-filament (the diameter is smaller than 0.5 mm), the wire breakage is easy to occur, the drawing speed cannot be too high, the drawing efficiency is low, the grain refinement of the prepared finished product of the filament is insufficient, the structure is uneven and the performance is poor.

(2) In the sliding type multi-die wire drawing system for processing the metal wire, the diameter of each layer of tower is determined by the same mechanical surface reduction rate, so that the prepared finished wire has high grain refinement degree, uniform structure and excellent performance, and the deformation of the material can be regulated and controlled when the tower is designed.

(3) The sliding type multi-mode wire drawing system for processing the metal wire material is used for drawing the micro-filament material, so that the dimensional accuracy, the surface quality and the singleness of a finished product of the prepared micro-filament material are ensured, the production efficiency is improved, and the performance of the finished product of the prepared micro-filament material is excellent.

(4) The sliding type multi-mode wire drawing system for processing the metal wire is suitable for drawing and producing the fine wire with the diameter phi less than or equal to 0.5mm, can draw and obtain any size with the diameter phi of 0.02-0.5 mm of the finished wire, and the drawing speed is increased from about 2m/min to 15 m/min-30 m/min and is increased by about 10 times.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic illustration of the present utility model in the examples a left reel is structurally schematic;

FIG. 3 is a schematic view of the structure of each layer of tower on the left and right reels in an embodiment of the present utility model;

FIG. 4 is a front view of a wire drawing die cartridge and wire drawing die assembly in accordance with an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of the portion I of FIG. 4;

FIG. 6 is a left side view of FIG. 4;

FIG. 7 is an enlarged view of a portion of the portion II of FIG. 6;

FIG. 8 is a front view of a moving idler assembly according to an embodiment of the present disclosure;

fig. 9 is a left side view of fig. 8.

The reference numerals in the drawings are as follows:

1. a paying-off machine; 2. a paying-off wheel; 3. a wire; 4. moving the guide wheel assembly; 4-1, moving a guide wheel; 4-2, a bolt; 4-3, a first locking gasket; 4-4, a second locking gasket; 4-5, moving the guide wheel assembly mounting plate; 5. a wire drawing reel; 5-1-1. A first left winding drum; 5-1-2. The first a right reel; 5-2-1. A second left reel; 5-2-2, a second right winding drum; 5-3-1, a third left winding drum; 5-3-2, a third right winding drum; 5-4-1. A fourth left reel; 5-4-2, a fourth right winding drum; 5-5-1. A fifth left reel; 5-5-2. A fifth right reel; 5-6-1. A sixth left reel; 5-6-2, a sixth right winding drum; 5-7-1, a seventh left winding drum; 5-7-2, a seventh right winding drum; 5-8-1. Eighth left reel; 5-8-2, an eighth right winding drum; 5-9-1. A ninth left reel; 5-9-2. A ninth right reel; 5-10-1 tenthA left reel; 5-10-2, a tenth right winding drum; 5-11-1. A tenth left winding drum; 5-11-2, a tenth right winding drum; 5-12-1. A twelfth left reel; 5-12-2. A twelfth right reel; 5-13, a tenth left winding drum; 6. a wire drawing die clamping seat; 6-1, a first wire drawing die; 6-2, a second wire drawing die; 6-3, a third wire drawing die; 6-4, a fourth wire drawing die; 6-5, a fifth wire drawing die; 6-6, a sixth wire drawing die; 6-7, a seventh wire drawing die; 6-8, an eighth wire drawing die; 6-9, a ninth wire drawing die; 6-10, a tenth wire drawing die; 6-11, an eleventh wire drawing die; 6-12, a twelfth wire drawing die; 7. fixing the guide wheel assembly; 8. a wire winding wheel; 9. a wire winding machine; 10. a base is arranged on the wire drawing system;the diameter of the lowest layer tower; />Sequencing from bottom to top, and the diameter of the second layer of tower; />The diameter of the tower; h. the height of the tower.

Detailed Description

The utility model will be described in detail below with reference to the drawings and the detailed description.

Referring to fig. 1, the sliding type multi-die wire drawing system for processing metal wires comprises a wire drawing winding drum 5, a wire drawing die clamping seat 6, a plurality of wire drawing dies with different die hole diameters, a paying-off machine 1 and a wire collecting machine 9.

The wire drawing reel 5 comprises a left reel and a right reel; the left winding drum and the right winding drum are of multilayer tower table type structures and are vertically arranged on the same horizontal plane; the left winding drum and the right winding drum can synchronously rotate; the left winding drum and the right winding drum are arranged in sequence from bottom to top, the appearance and the size of corresponding towers with the same layer number are the same, coaxial annular wire guide grooves are formed in the outer cylindrical surface of each layer of towers, the diameter of each layer of towers is determined by the same mechanical face reduction rate from the second layer to top; the number of layers of the left reel tower is larger than that of the right reel tower; the wire drawing die clamping seat 6 is fixedly arranged between the left winding drum and the right winding drum; clamping grooves for placing the wire drawing dies are formed in the wire drawing die clamping seat 6 at the height positions corresponding to the annular wire guide grooves in each layer of tower of the right winding drum, and wire passing grooves for respectively communicating the clamping grooves with the left end surface and the right end surface of the wire drawing die clamping seat 6 are formed in the left side and the right side of the clamping grooves; the sizes of the clamping groove and the wire passing groove meet the following conditions: when the wire drawing die is placed in the clamping groove, the wire 3 passing through the die hole of the wire drawing die is tangent to the left winding drum and the right winding drum on the corresponding layer; the paying-off machine 1 is arranged at the left side of the left winding drum; the wire rewinding machine 9 is arranged on the right side of the right reel.

Referring to fig. 1, in this embodiment, in order to facilitate movement of the sliding multi-mode wire drawing system for processing a wire rod according to the present utility model, the sliding multi-mode wire drawing system for processing a wire rod further includes a wire drawing system mounting base 10; the same horizontal plane is a horizontal table surface at the upper part of the installation base 10 of the wire drawing system. I.e. the left reel and the right reel are vertically mounted on the horizontal table-board at the upper part of the wire drawing system mounting base 10.

Referring to fig. 1, in this embodiment, the left reel is 13 layers, the right reel is 12 layers, the number of layers of the left reel and the right reel can be other than the number of layers set in this embodiment, and the number of layers of the tower of the right reel is selected according to the design of the maximum number of wire drawing passes required. Referring to fig. 2 and 3, in this embodiment, the diameter of the lowermost tower on the left reel and the right reel is preferably 50mm to 150mm. The diameters of the lowest layer of towers on the left winding drum and the right winding drum are valued in the range of such a value, because if the diameter of the lowest layer of towers is too small, the structure of the finally formed wire drawing winding drum is small, the bearable tension of the wire drawing winding drum is small, and the service life of the wire drawing winding drum is reduced due to continuous abrasion in the use process of the wire drawing winding drum; if the diameter of the tower at the lowest layer is too large, the structure of the finally formed wire drawing winding drum is large, wire winding before drawing is not facilitated, the whole equipment is large due to the large structure, and equipment maintenance is not facilitated. When the diameter of the lowest layer tower is within the range, the whole wire drawing rollThe cylinder has a moderate structure, can bear certain tensile force and is convenient to maintain. From the second layer upwards, the diameter of each layer of tower is determined by the same mechanical surface reduction rate, so that the prepared finished wire has high grain refinement degree, uniform structure and excellent performance, and the deformation of the material can be regulated and controlled when the tower is designed. In the view of figure 2,representing the diameter of the lowermost tower; />Indicating the diameter of the second tier tower, ordered from bottom to top. The calculation formula of the mechanical surface reduction rate is as follows:n is the number of layers of the tower from bottom to top in the first layer, n is greater than 1; for example, when n is 6, < >>Representing the layer 6 turret diameter. The specific design process of the diameter of the tower is as follows: for example, diameter of the lowest layer tower +.>Designed as 100mm, the second-layer tower diameter +.>About 111mm, third layer tower diameter +.>About 123mm and so on. The diameters of the left winding drum and the right winding drum are sequentially increased from bottom to top. The wire drawing drum 5 provides drawing force for each pass of drawing.

With reference to figure 3 of the drawings, in this embodiment, preferably, a spherical structure is formed between the upper end face of the annular wire groove and the upper end face of the layer of tower, and between the lower end face of the annular wire groove and the lower end face of the layer of tower. The outer cylindrical surface of each layer of tower is designed to be in a spherical table-shaped structure from top to bottom, and the middle of each layer of tower is designed with an annular guide wire groove, so that the metal wire can move up and down when the wire is just pulled, the existence of the spherical table-shaped structure below can prevent the metal wire from sliding out of the tower, and the wire can be subjected to the reaction force of the spherical surface of the spherical table-shaped structure when the wire touches the spherical table-shaped structure, so that the wire can move to the annular guide wire groove in the middle of the tower, and the wire is protected from being stretched when the wire is just pulled; when the wire moves to the upper spherical table-shaped structure, the wire can also move to the annular wire guide groove in the middle of the tower due to the spherical surface of the spherical table-shaped structure, so that friction between the wire and the end surface of the tower when the wire is drawn is reduced, and the wire is protected from being stretched. In order to prevent the wire from falling off, in this embodiment, the height between the upper and lower end surfaces of the table-shaped structure is preferably 2mm or more, and the difference between the radii of the upper and lower end surfaces of the table-shaped structure is preferably 2mm or more.

Referring to fig. 3, the height of each layer of tower on the left reel and the right reel is preferably 50 mm-80 mm in this embodiment. The height of each layer of tower is within the value range because the metal wire is slightly dithered in the drawing process, particularly when the drawing is just started and stopped, if the height of the tower is too small, the wire is dithered up and down, and continuously collides with a spherical table-shaped structure above and below the tower, so that the wire is easily worn and broken, if the height of the tower is too large, the final whole wire drawing reel is extremely high, wire winding before drawing is not facilitated, and the maintenance is inconvenient; the height of the tower is valued in the range, which is favorable for drawing the metal wire and the post maintenance equipment is convenient. In the view of figure 3 of the drawings,representing the diameter of the tower; h represents the height of the tower.

In this embodiment, the synchronous rotation of the left reel and the right reel is achieved by combining a motor and a belt transmission, which are not shown in fig. 1.

Referring to fig. 1, 4, 5, 6 and 7, the wire drawing die holder 6 is fixedly mounted on the same horizontal plane as described above, and in this embodiment, the wire drawing die holder 6 is fixedly mounted on a horizontal table surface at the upper portion of the base 10. In order to simplify the structure of the wire drawing die holder, in this embodiment, the front surface of the wire drawing die holder 6 is stepped from bottom to top; the number of the step-shaped corresponding steps is equal to the number of layers of the towers on the right winding drum, the steps of each layer are sequenced from bottom to top, the height of each layer along the vertical direction is equal to the height of the towers on the corresponding layer with the same number of layers on the right winding drum, the distance between the vertical step surfaces of two adjacent layers along the front-back direction is equal to the difference value between the radiuses of the towers of the corresponding two layers with the same number of layers, and the vertical step surface of the upper layer is far away from a plane determined by the axes of the left winding drum and the right winding drum relative to the vertical step surface of the lower layer; the clamping groove is formed in a step surface of each step corresponding to the step shape along the vertical direction. In order to facilitate the processing of the wire-drawing die holder and to facilitate the positioning during installation, in this embodiment, the left and right surfaces and the rear surface of the wire-drawing die holder 6 are all planar, and the left and right surfaces, the rear surface and the vertical step surfaces corresponding to the steps of the wire-drawing die holder 6 are all perpendicular to the same horizontal plane, i.e., the horizontal table top at the upper part of the base 10; the distance from the axis of the left winding drum to the left surface of the wire drawing die clamping seat 6 is equal to the distance from the axis of the right winding drum to the right surface of the wire drawing die clamping seat 6; rear surface of wire drawing die clamping seat 6 and left winding drum coplanar with the plane defined by the right spool axis; the annular guide wire groove is positioned in the middle of each layer of tower table along the vertical direction; the clamping groove is positioned at the center of the step surface of each layer of step along the vertical direction.

In order to ensure the dimensional accuracy and the surface quality of the drawn wire, the effect of drawing the micro-filament is better, and in the embodiment, the wire drawing die adopts a polycrystalline or diamond wire drawing die. The number of the wire drawing dies is determined by the number of wire drawing passes; the wire drawing die is continuously and sequentially arranged in the corresponding clamping grooves from top to bottom on the wire drawing die clamping seat 6 according to the aperture of the die hole from small to large. When drawing, the wire drawing die can be abutted against the right side wall of the clamping groove under the drive of the metal wire, so that automatic fixing is realized. The size of the clamping groove in the clamping seat of the wire drawing die is larger than that of the wire drawing die, and the usable wire drawing die has a larger size range. Wire drawing dies are commercially available. In order to effectively reduce the abrasion of the wire drawing drum and prolong the service life of the wire drawing drum, the die hole diameter die matching surface reduction rate of each pass of wire drawing die is preferably not more than +/-15% from the mechanical surface reduction rate in design. Wire breakage also occurs easily when the die hole aperture die match reduction rate of each pass of the wire drawing die differs by more than + -15% from the mechanical reduction rate.

Referring to fig. 1, in order to match the proper drawing pass, a movable guide wheel assembly 4 is preferably provided between the pay-off machine 1 and the left reel in this embodiment; the movable guide wheel assembly 4 comprises a movable guide wheel 4-1; the movable guide wheel 4-1 can move up and down along the vertical direction, and is used for sequentially guiding the wire 3 discharged by the wire-discharging wheel 2 on the wire-discharging machine 1 into a left winding drum and a die hole on a wire-drawing die at the lowest layer in the wire-drawing die used in wire-drawing, and ensuring that the wire 3 is always in a horizontal plane after passing through the movable guide wheel 4-1 in the guiding process. Referring to fig. 8 and 9, for simplicity of construction of the moving guide wheel assembly, the moving guide wheel assembly 4 of this embodiment preferably includes a moving guide wheel assembly mounting plate 4-5, a bolt 4-2, a first locking washer 4-3, and a second locking washer 4-4 in addition to the moving guide wheel 4-1; the movable guide wheel assembly mounting plate 4-5 is vertically and fixedly arranged on the same horizontal plane, namely, the horizontal table top at the upper part of the base 10 is positioned at the left side of the left winding drum, and the plate surface of the movable guide wheel assembly mounting plate 4-5 extends along the left-right direction; a vertical guide groove penetrating through the front plate surface and the rear plate surface along the up-down direction is arranged on the movable guide wheel assembly mounting plate 4-5; the bolt 4-2 passes through the movable guide wheel 4-1, the first locking gasket 4-3, the guide groove and the second locking gasket 4-4 in sequence; the first locking gasket 4-3 and the second locking gasket 4-4 are respectively provided with internal threads matched with the bolt 4-2, and are used for locking the bolt 4-2 on the movable guide wheel assembly mounting plate 4-5 so as to realize the positioning of the movable guide wheel 4-1 after the movable guide wheel 4-1 moves up and down to a required position along the vertical direction; the movable guide wheel 4-1 is in clearance fit with the bolt 4-2. Thus, when the position of the movable guide wheel 4-1 needs to be changed, the bolt 4-2 can be loosened, the movable guide wheel 4-1 is moved upwards or downwards, when the movable guide wheel is moved to a required position, the bolt 4-2 is screwed down again, the movable guide wheel 4-1 is moved upwards or downwards and positioned, and the proper drawing pass is matched by adjusting the upper and lower positions of the movable guide wheel 4-1. The movable guide wheel 4-1 is in clearance fit with the bolt 4-2, so that the movable guide wheel 4-1 can rotate relative to the bolt 4-2, and the movable guide wheel 4-1 is driven by the wire 3 to rotate around the bolt 4-2 during drawing, so that the wire 3 and the movable guide wheel 4-1 move in a rolling mode, and the movable guide wheel is high in friction force, easy to abrade and scratch the wire when moving in a sliding mode relative to a static guide wheel and the wire, and the friction force of the rolling mode movement is small, so that the wire can be prevented from being scratched.

Referring to fig. 1, in order to conveniently control the wire drawn from the tower at the uppermost layer of the left reel to enter the take-up pulley on the take-up machine, a fixed guide wheel assembly 7 is arranged between the left reel and the take-up machine 9; the fixed guide wheel assembly 7 is used for guiding the wire 3 pulled out from the tower at the uppermost layer of the left winding drum to a take-up wheel 8 on a take-up machine 9. The wire winding machine 9 is used for providing a drawing force for the wire 3 and winding the drawn wire 3 on the wire winding wheel 8. The fixed guide wheel assembly 7 in this embodiment includes two fixed guide wheels; a fixed guide wheel assembly mounting plate is vertically and fixedly arranged at the right side of the right winding drum on a horizontal table top at the upper part of the wire drawing system mounting base; the fixed guide wheels are installed on the fixed guide wheel assembly mounting plate, the fixed guide wheels are sequentially arranged along the vertical direction, the axes of the fixed guide wheel mounting shafts are arranged along the front-back direction, the fixed guide wheels are in clearance fit with the fixed guide wheel mounting shafts, and therefore the fixed guide wheels can rotate around the fixed guide wheel mounting shafts under the driving of the wires 3, and accordingly the scratch risk of the wires is reduced. The wire 3 pulled out from the uppermost turret of the left reel is guided by two fixed guide wheels to take-up reel 8 on take-up machine 9.

In order to adjust the tension during drawing so as to achieve a stable paying-off effect, and form a counter tension opposite to the drawing force direction at the other end of the wire in the wire drawing process, the drawing force on the wire is reduced, and further the drawing speed can be further increased, and the drawing efficiency is improved, and the paying-off machine 1 is preferably provided with a tension control mechanism; when the left winding drum and the right winding drum synchronously rotate, the linear speed corresponding to the point tangent to the wire on the annular wire guide groove is smaller than the advancing speed of the wire driven by the wire winding machine 9. In this embodiment, the tension control mechanism adopts a mechanically conventional tensioner structure, which is not shown in fig. 1.

The sliding type multi-mode wire drawing system for processing the metal wire material comprises the following wire drawing processes: firstly, carrying out optimal pass wire drawing die matching according to the maximum reduction ratio bearable between two times of annealing of different metal wires; after the die matching process is finished, continuously and sequentially placing the wire drawing dies into corresponding clamping grooves on the wire drawing die clamping seat 6 from top to bottom according to the die hole aperture from small to large; then adjusting the movable guide wheel 4-1 to a corresponding position according to the drawing pass; then, firstly corroding the head of the wire 3 with acid to be thin, wherein the diameter of the wire is smaller than the aperture of all the die holes of the wire drawing die, and the wire can pass through the die holes; then winding is carried out; and finally, drawing is performed and completed.

The sliding multi-die wire drawing system for processing the metal wire material adopts the embodiment, the mechanical reduction rate is designed to be 11%, and the maximum drawing pass is 12. When the drawing pass is 12, the specific process of winding is as follows: after being paid off by a paying-off machine 1 on a paying-off wheel 2, a wire 3 enters a left winding drum in a wire drawing winding drum 5 through a movable guide wheel assembly 4, passes through a first wire drawing die 6-1 along the tangential direction after passing through the first left winding drum 5-1-1, then enters and bypasses a first right winding drum 5-1-2 along the tangential direction, then passes through a second wire drawing die 6-2 along the tangential direction of a second left winding drum 5-2-1, then enters and bypasses a second right winding drum 5-2-2 along the tangential direction, and is repeatedly performed until a tenth left winding drum 5-13 is bypassed, then enters a wire winding wheel 8 after being guided by a fixed guide wheel assembly 7, and cold drawing and wire winding work is completed under the action of a wire winding machine 9. When the required drawing pass is smaller than 12 passes, the wire 3 is paid off on the paying-off wheel 2 through the paying-off machine 1, enters a left winding drum in the wire drawing winding drum 5 through the movable guide wheel assembly 4, passes through a left winding drum corresponding to the layer where the wire drawing die positioned at the lowest layer is positioned in the wire drawing die, and is wound by analogy.

The sliding type multi-mode wire drawing system for processing the metal wire is suitable for drawing and producing the fine wire with the diameter phi less than or equal to 0.5mm, can draw and obtain any size with the diameter phi of 0.02-0.5 mm of the finished wire, and the drawing speed is increased from about 2m/min to 15 m/min-30 m/min and is increased by about 10 times.

The following are two specific examples of wire drawing performed using the sliding multi-die wire drawing system for processing wire rods of the present embodiment:

example 1:

a method for producing TC4 alloy micro-fine wire with the diameter of 0.3 mm. Firstly, annealing a TC4 alloy blank with the diameter of 0.5mm, and winding the annealed TC4 alloy blank around a paying-off wheel 2; then, diamond wire drawing dies with the diameters of die holes of 0.472mm, 0.446mm, 0.419mm, 0.396mm, 0.373mm, 0.352mm, 0.335mm, 0.318mm and 0.30mm are sequentially arranged on the fourth, fifth and sixth channels until reaching the twelfth channel wire drawing die; then, the movable guide wheel 4-1 is adjusted to be the same as the fourth wire drawing die 6-4 in height; etching the head of the silk blank with the diameter of 0.5mm by acid until the diameter of the head is smaller than 0.3mm; then the tension of the paying-off machine 1 is regulated to pay off stably, the wire 3 is led out, guided to the fourth left winding drum 5-4-1 by the movable guide wheel 4-1, then passes through the fourth wire drawing die 6-4, bypasses the fourth right winding drum 5-4-2, enters the fifth left winding drum 5-5-1, then passes through the fifth wire drawing die 6-5, and the wire enters a sixth left winding drum 5-6-1 through a fifth right winding drum 5-5-2, is repeatedly performed until a tenth left winding drum 5-13 is bypassed, and enters a wire winding machine 9 through a fixed guide wheel assembly 7, and is subjected to sliding continuous cold drawing at a wire drawing speed of 15 m/min. Finally, TC4 microfilaments with a diameter of 0.3mm were prepared by 9-pass cold drawing.

Implementation example 2:

a method for producing TiNi alloy micro-wires with the diameter of 0.05 mm. Firstly, annealing a TiNi alloy blank with the diameter of 0.1mm and winding the TiNi alloy blank around a paying-off wheel 2; then, diamond wire drawing dies with the diameters of 0.094mm, 0.089mm, 0.084mm, 0.079mm, 0.075mm, 0.071mm, 0.067mm, 0.063mm, 0.059mm, 0.056mm, 0.053mm and 0.05mm are sequentially arranged in the first, second and third channels until the twelfth wire drawing die; then, the movable guide wheel 4-1 is adjusted to be the same as the first wire drawing die 6-1 in height; etching the head of the silk blank with the diameter of 0.1mm by acid until the diameter of the head is smaller than 0.05mm; and then, adjusting tension of the paying-off machine 1 to pay off stably, leading out the wire 3, guiding the wire 3 to the first left winding drum 5-1-1 through the movable guide wheel 4-1, passing through the first wire drawing die 6-1, bypassing the first right winding drum 5-1-2, entering the second left winding drum 5-2-1, passing through the second wire drawing die 6-2, passing through the second right winding drum 5-2-1, entering the third left winding drum 5-3-1, repeating the steps until the wire 3 passes through the tenth left winding drum 5-13, entering the wire winding machine 9 through the fixed guide wheel assembly 7, and setting the wire drawing linear speed to be 20m/min for sliding continuous cold drawing. Finally, tiNi ultra-fine wires with the diameter of 0.05mm are prepared by 12-pass cold drawing.

The sliding type multi-mode wire drawing system for processing the metal wire is suitable for drawing and producing the micro wire with the diameter phi less than or equal to 0.5 mm.

Claims (10)

1. A sliding multi-die wire drawing system for processing a wire, comprising:

comprises a wire drawing winding drum (5), a wire drawing die clamping seat (6), a plurality of wire drawing dies with different specification die hole diameters, a paying-off machine (1) and a wire collecting machine (9);

the wire drawing winding drum (5) comprises a left winding drum and a right winding drum; the left winding drum and the right winding drum are of multilayer tower table type structures and are vertically arranged on the same horizontal plane; the left winding drum and the right winding drum can synchronously rotate; the left winding drum and the right winding drum are arranged in sequence from bottom to top, the appearance and the size of corresponding towers with the same layer number are the same, coaxial annular wire guide grooves are formed in the outer cylindrical surface of each layer of towers, the diameter of each layer of towers is determined by the same mechanical face reduction rate from the second layer to top; the number of layers of the left reel tower is larger than that of the right reel tower;

the wire drawing die clamping seat (6) is fixedly arranged between the left winding drum and the right winding drum; the wire drawing die clamping seat (6) is provided with clamping grooves for placing the wire drawing die at the height positions corresponding to the annular wire guide grooves on each layer of tower of the right winding drum, and wire passing grooves for respectively communicating the clamping grooves with the left end face and the right end face of the wire drawing die clamping seat (6) are respectively arranged on the left side and the right side of the clamping grooves; the sizes of the clamping groove and the wire passing groove meet the following conditions: when the wire drawing die is placed in the clamping groove, the wire (3) passing through the die hole of the wire drawing die is tangent to the left winding drum and the right winding drum on the corresponding layer;

the paying-off machine (1) is arranged at the left side of the left winding drum;

the wire rewinding machine (9) is arranged on the right side of the right winding drum.

2. The sliding multi-die wire drawing system for processing wire as defined in claim 1, wherein: the wire drawing die adopts a polycrystalline or diamond wire drawing die.

3. The sliding multi-die wire drawing system for processing wire as defined in claim 1, wherein:

the wire drawing die clamping seat (6) is fixedly arranged on the same horizontal plane;

the front surface of the wire drawing die clamping seat (6) is stepped from bottom to top; the number of the step-shaped corresponding steps is equal to the number of layers of the towers on the right winding drum, the steps of each layer are sequenced from bottom to top, the height of each layer along the vertical direction is equal to the height of the towers on the corresponding layer with the same number of layers on the right winding drum, the distance between the vertical step surfaces of two adjacent layers along the front-back direction is equal to the difference value between the radiuses of the towers of the corresponding two layers of towers with the same number of layers, and the vertical step surface of the upper layer is far away from a plane determined by the axes of the left winding drum and the right winding drum relative to the vertical step surface of the lower layer; the clamping groove is formed in the step surface of each step corresponding to the step shape along the vertical direction.

4. A sliding multi-die wire drawing system for processing wire as defined in claim 3, wherein:

the left and right surfaces and the rear surface of the wire drawing die clamping seat (6) are all planar, and the left and right surfaces, the rear surface and the corresponding vertical step surfaces of the wire drawing die clamping seat (6) are all perpendicular to the same horizontal plane; the distance from the axis of the left winding drum to the left surface of the wire drawing die clamping seat (6) is equal to the distance from the axis of the right winding drum to the right surface of the wire drawing die clamping seat (6); the rear surface of the wire drawing die clamping seat (6) is coplanar with a plane determined by the axes of the left winding drum and the right winding drum;

the annular guide wire groove is positioned in the middle of each layer of tower table along the vertical direction;

the clamping groove is positioned at the center of the step surface of each layer of step along the vertical direction.

5. The sliding multi-die wire drawing system for processing wire as defined in claim 1, wherein:

a movable guide wheel assembly (4) is arranged between the paying-off machine (1) and the left winding drum;

the movable guide wheel assembly (4) comprises a movable guide wheel (4-1); the movable guide wheel (4-1) can move up and down along the vertical direction and is used for sequentially guiding the wires (3) discharged by the wire-discharging wheel (2) on the wire-discharging machine (1) into a left winding drum and a die hole positioned on the wire-drawing die at the lowest layer in the wire-drawing die used in wire-drawing;

in the process of sequentially guiding the wire rods (3) discharged by the wire-releasing wheel (2) on the wire-releasing machine (1) into the left winding drum and the die holes on the wire-drawing die at the lowest layer in the wire-drawing die used in wire drawing, the wire rods (3) are always in the horizontal plane after passing through the movable guide wheel (4-1).

6. The sliding multi-die wire drawing system for processing wire as set forth in claim 5, wherein:

the movable guide wheel assembly (4) further comprises a movable guide wheel assembly mounting plate (4-5), a bolt (4-2), a first locking gasket (4-3) and a second locking gasket (4-4);

the movable guide wheel assembly mounting plate (4-5) is vertically and fixedly arranged at the left side of the left winding drum on the same horizontal plane, and the plate surface of the movable guide wheel assembly mounting plate (4-5) extends along the left-right direction; a vertical guide groove penetrating through the front plate surface and the rear plate surface along the up-down direction is arranged on the movable guide wheel assembly mounting plate (4-5);

the bolt (4-2) sequentially passes through the movable guide wheel (4-1), the first locking gasket (4-3), the guide groove and the second locking gasket (4-4); the first locking gasket (4-3) and the second locking gasket (4-4) are respectively provided with internal threads matched with the bolts (4-2) and used for locking the bolts (4-2) on the movable guide wheel assembly mounting plate (4-5) so as to realize the positioning of the movable guide wheel (4-1) after the movable guide wheel (4-1) moves up and down to a required position along the vertical direction; the movable guide wheel (4-1) is in clearance fit with the bolt (4-2).

7. The sliding multi-die wire drawing system for processing wire as defined in claim 1, wherein:

a fixed guide wheel assembly (7) is arranged between the left winding drum and the wire winding machine (9);

the fixed guide wheel assembly (7) is used for guiding the wire (3) pulled out from the tower at the uppermost layer of the left winding drum into a take-up wheel (8) on a take-up machine (9).

8. The sliding multi-die wire drawing system for processing wire as defined in claim 1, wherein:

the paying-off machine (1) is provided with a tension control mechanism;

when the left winding drum and the right winding drum synchronously rotate, the linear speed corresponding to the point tangent to the wire on the annular wire guide groove is smaller than the advancing speed of the wire driven by the wire winding machine (9).

9. The sliding multi-die wire drawing system for processing wire as defined in claim 1, wherein: and a spherical table-shaped structure is formed between the upper end face of the annular guide wire groove and the upper end face of the layer of tower where the annular guide wire groove is located, and between the lower end face of the annular guide wire groove and the lower end face of the layer of tower where the annular guide wire groove is located.

10. A sliding multi-die wire drawing system for processing wire according to any one of claims 1 to 9, wherein:

the wire drawing system also comprises a wire drawing system mounting base (10);

the same horizontal plane is a horizontal table top at the upper part of the installation base (10) of the wire drawing system.