CN217412239U - Forming device - Google Patents

Abstract

The utility model belongs to the technical field of the blade shaping, a forming device is provided, it includes the sword that bends, goes up the row circle sword and arrange the circle sword down. The bending knife is used for bending the wire; the upper-row ring cutter comprises a first cutter handle and a first roller, the first roller is rotatably connected with one end of the first cutter handle, and the first cutter handle is provided with a first side surface; the lower-row ring cutter comprises a second cutter handle and a second roller, the second roller is rotatably connected with one end of the second cutter handle, the second cutter handle is provided with a second side face, the lower-row ring cutter is arranged at the bottom of the upper-row ring cutter, the first roller and the second roller are both provided with first grooves formed along the circumferential direction, the first grooves are used for carrying out spiral processing on a wire rod, the axial direction of the first roller and the first side face form a first preset angle, and the axial direction of the second roller and the second side face form a second preset angle.

Description

Forming device

Technical Field

The utility model belongs to the technical field of the blade shaping, especially, relate to a forming device.

Background

Helical blade mainly used carries the great and compressibility material of viscosity, and this kind of helicoid type is accomplishing the transport operation in-process, has and accomplishes functions such as stirring, the mixture to the material simultaneously, and helical blade shaping mode mainly has following mode:

the stamping and welding molding is mainly used for manufacturing large helical blades, a circular plate is cut along the radius, then the circular ring is stamped into a single helical blade, and finally the helical blades are welded together. The disadvantage is that the material is formed by welding a plurality of helical blades, the integrity is poor, and when the material is used for stirring or feeding, the risk of material blockage is generated.

And the winding forming is to fix one end of the strip steel and rotate the strip steel around a shaft to form, so that the obtained helical blade has higher linearity. However, when a helical blade having a large pitch is required to be processed, secondary drawing is often required.

In summary, in the existing technology of helical blade forming, the manufacturing process of the helical blade is complex, the production efficiency of the blade is low, the quality is poor, and the specification of helical blade production is limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a forming device, it includes the sword that bends, goes up the row of circle sword and circle sword down.

The bending knife is used for bending the wire;

the upper-row ring cutter comprises a first cutter handle and a first roller wheel, the first roller wheel is rotatably connected with one end of the first cutter handle, and the first cutter handle is provided with a first side surface;

lower circle sword of arranging, including second handle of a knife and second gyro wheel, the second gyro wheel with second handle of a knife one end is rotated and is connected, the second handle of a knife is equipped with the second side, lower circle sword set up in go up the bottom of circle sword, first gyro wheel with the second gyro wheel all is equipped with along the first recess of circumference formation, first recess is used for right the wire rod carries out helical machining, the axial of first gyro wheel with first side forms first angle of predetermineeing, the axial of second gyro wheel with the second side forms the second angle of predetermineeing.

Preferably, the first groove is a V-shaped rolling groove.

Preferably, still include core and fuselage, the core is equipped with the through-hole, the wire rod is in the through-hole removes, the core is fixed in the fuselage.

Preferably, SKD11 is adopted as the material of the movement.

Preferably, the wire bending machine further comprises an upper auxiliary knife and a lower auxiliary knife, and the upper auxiliary knife and the lower auxiliary knife are used for fixing and assisting in bending the wire.

Preferably, go up supplementary sword includes first blade and first cutting edge, first blade with first cutting edge forms the contained angle and is 135 degrees, supplementary sword includes second blade and second cutting edge down, the second blade with the second cutting edge forms the contained angle and is 135 degrees, first cutting edge with the second cutting edge is parallel to each other.

Preferably, one end of the bending knife is provided with a second groove, the other end of the bending knife is used for being connected with the mechanical arm, and the second groove is used for avoiding the upper auxiliary knife and the lower auxiliary knife.

Preferably, the wire cutting machine further comprises an upper cutter and a lower cutter, wherein the upper cutter and the lower cutter are arranged oppositely, and the upper cutter and the lower cutter are used for cutting off the wire.

Compared with the prior art, the forming device provided by the application has the beneficial effects that:

1. a forming device bends a wire through a bending piece, then an upper row of coiling knives is matched with a lower row of coiling knives, first section bending is carried out by the upper row of coiling knives, the wire is curled into a larger R angle, and then second section bending is carried out by the lower row of coiling knives, so that the wire forms a helical blade. The spiral blade is formed by cold rolling, the surface of the manufactured spiral blade is smooth and clean, the shape is regular, and the precision is high, so that the quality of the spiral blade is improved, the mechanical arm is matched with the upper row of ring cutters and the lower row of ring cutters to advance and retreat, the production efficiency of the blade is improved, and meanwhile, the integrity of the produced blade is good. Go up the row of circle sword and arrange the circle sword down and pass through special fixture and fix at the arm, through adjusting its angle and position, can change helical blade's external diameter and pitch, produce the helical blade of different specifications, forming device's suitability has been improved, first angle of predetermineeing and second predetermine the angle big more, processing helical blade's pitch is big more, only need to change the different specifications and arrange the circle sword down, can produce different specifications helical blade, helical blade's manufacturing cost has greatly been reduced, and device simple structure, the manufacturing process is convenient fast.

Drawings

Fig. 1 is a schematic structural diagram of a forming device according to the present invention;

fig. 2 is a schematic structural diagram of a forming device according to the present invention;

fig. 3 is a schematic view of a partial structure of a molding apparatus provided in the present invention;

fig. 4 is a schematic structural diagram of an upper row of ring cutters of a forming device provided by the present invention;

fig. 5 is a schematic structural diagram of an upper row of ring cutters of the forming device according to the present invention;

fig. 6 is a schematic structural view of a lower ring discharging knife of the forming device provided by the present invention;

fig. 7 is a schematic structural view of an upper auxiliary knife of a forming device provided by the present invention;

fig. 8 is a schematic structural view of a lower auxiliary knife of a forming device according to the present invention;

fig. 9 is a flow chart of a forming method of the helical blade provided by the present invention;

fig. 10 is a detailed flowchart of a forming method of the helical blade according to the present invention.

Illustration of the drawings:

10. bending a knife; 11. a second groove;

20. an upper row of ring cutters; 21. a first handle; 22. a first roller; 23. a first connecting member; 24. a first groove; 25. a first side surface;

30. a lower ring cutter; 31. a second handle; 32. a second roller; 33. a second connecting member; 34. a second side surface;

40. a movement;

50. a body;

60. an upper auxiliary knife; 61. a lower auxiliary knife; 601. a first blade; 602. a first blade; 611. a second blade; 612. a second blade;

70. an upper cutter; 71. a lower cutter;

80. a wire rod; 81. a helical blade.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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, in the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 8, the present invention provides a forming device, which comprises a bending knife 10, an upper row ring knife 20 and a lower row ring knife 30.

The bending knife 10 is used for bending the wire 80; the upper-row ring cutter 20 can comprise a first cutter handle 21, a first roller 22 and a first connecting piece 23, the first roller 22 is rotatably connected with the first connecting piece 23, the first roller 22 and the first connecting piece 23 are placed at one end of the first cutter handle 21, the other end of the first cutter handle 21 is used for being connected with a mechanical arm, and the first cutter handle 21 is provided with a first side surface 25; lower circle sword 30 includes second handle of a knife 31, second gyro wheel 32 and second connecting piece 33, second gyro wheel 32 rotates with second connecting piece 33 to be connected, second gyro wheel 32 and second connecting piece 33 are placed to the one end of second handle of a knife 31, the other end of second handle of a knife 31 is used for being connected with the arm, second handle of a knife 31 is equipped with second side 34, lower circle sword 30 sets up in the bottom of last circle sword 20 of arranging, first gyro wheel 22 and second gyro wheel 32 all are equipped with along the first recess 24 of circumference formation, first recess 24 is used for carrying out helical machining to wire rod 80, the axial of first gyro wheel 22 forms first preset angle a with first side 25, the axial of second gyro wheel 32 forms second preset angle b with second side 34. The first preset angle a may be 5 to 15 °, and the second preset angle b may be 35 to 50 °. The first tool handle 21 and the second tool handle 31 are respectively provided with an assembling hole, the first connecting piece 23 and the second connecting piece 33 are fixed in the assembling holes, the first connecting piece 23 and the second connecting piece 33 can be pins, and the first roller 22 and the second roller 32 respectively rotate on the first connecting piece 23 and the second connecting piece 33.

In the design, the wire 80 is bent through the bending piece, then the upper row of ring cutters 20 is matched with the lower row of ring cutters 30, the upper row of ring cutters 20 is used for bending a first section, so that the wire 80 is curled into a larger R angle, and then the lower row of ring cutters 30 is used for bending a second section, so that the wire 80 forms a helical blade 81. The helical blade 81 is formed by cold rolling, the surface of the manufactured helical blade 81 is smooth and clean, the shape is regular, and the precision is high, so that the quality of the helical blade 81 is improved, the mechanical arm is matched with the upper row of ring cutters 20 and the lower row of ring cutters 30 to advance and retreat, the production efficiency of the blade is improved, and meanwhile, the produced blade is good in integrity. Go up row circle sword 20 and circle sword 30 down and fix at the arm through special anchor clamps for, through adjusting its angle and position, can change helical blade 81's external diameter and pitch, produce the helical blade 81 of different specifications, forming device's suitability has been improved, first angle a of predetermineeing and second predetermine angle b big more, the pitch of processing helical blade 81 is big more, only need change different specifications go up row circle sword 20 and circle sword 30 down, can produce different specifications helical blade 81, helical blade 81's manufacturing cost has greatly been reduced, and the device simple structure, the manufacturing process is convenient fast.

Further, the first groove 24 is a V-shaped roll groove. The bottom of V-arrangement rolling slot has the radius angle to handle, adopts the first gyro wheel 22 after the radius angle is handled, can make things convenient for wire rod 80 to process, avoids stress concentration simultaneously, leads to first gyro wheel 22 to collapse. The size of the V-shaped groove roller can be changed according to the line diameter of a product, so that blades of different specifications can be conveniently produced.

The forming device further comprises a machine core 40 and a machine body 50, wherein the machine core 40 is provided with a through hole, the wire 80 moves in the through hole, and the machine core 40 is fixed on the machine body 50. The bending knife 10, the upper row of ring knives 20, the lower row of ring knives 30, the upper auxiliary knife 60, the lower auxiliary knife 61, the upper knife 70 and the lower knife 71 can be connected to the machine body 50 through mechanical arms. The movement 40 is a component for restraining and guiding the wire 80, and simultaneously participates in the forming process of the helical blade 81, and the whole movement 40 is cylindrical, and the top of the movement is in a sector shape of 120-140 degrees.

Specifically, SKD11 is used as the material of the movement 40. Because the through hole of the movement 40 bears a large force when the helical blade 81 is molded, the SKD11 is used as the material of the movement 40, so that the possibility of deformation and breakage of the movement 40 can be reduced.

Further, the forming device further comprises an upper auxiliary knife 60 and a lower auxiliary knife 61, wherein the upper auxiliary knife 60 and the lower auxiliary knife 61 are used for fixing and assisting in bending the wire 80, and the wire 80 can be bent conveniently. The upper auxiliary knife 60 and the lower auxiliary knife 61 are both fixed on a mechanical arm through a clamp, and are controlled by the mechanical arm during movement, and only have one degree of freedom. The movement tracks of the upper auxiliary knife 60 and the lower auxiliary knife 61 are parallel, and the upper auxiliary knife 60 and the lower auxiliary knife 61 clamp the wire 80 at the central line position of the movement 40 under the control of a program.

Specifically, referring to fig. 7 to 8, the upper subsidiary knife 60 includes a first blade 601 and a first blade 602, the first blade 601 is connected to the first blade 602, the first blade 601 forms an included angle of 135 ° with the first blade 602, and the included angle formed by the first blade 601 and the first blade 602 is determined by the position of the robot arm and the angle of the material. In addition, the lower subsidiary knife 61 includes a second blade 612 and a second blade edge 611, the included angle formed by the second blade 612 and the second blade edge 611 is 135 degrees, the included angle formed by the second blade 612 and the second blade edge 611 is determined by the position of the mechanical arm of the apparatus and the angle of the material, and the first blade 602 and the second blade edge 611 are parallel to each other. Further, the first blade body 601 may be a regular rectangle, so that the clamping is convenient, the first blade 602 is cylindrical, the first blade 602 may be a cylinder, and when the first blade is bent, the wire 80 is tightly attached to the upper auxiliary blade 60 and bent around the first blade 602, the size of the bending radius may be adjusted by using the upper auxiliary blade 60 with different cylinder diameters, and the larger the diameter of the cylinder is, the larger the bending radius of the blade is.

Further, one end of the bending knife 10 is provided with a second groove 11, and the other end is used for being connected with a mechanical arm. The bending knife is of a hook-shaped structure, a second groove 11 is formed in one end of the bending knife 10, the second groove 11 is used for avoiding the upper auxiliary knife 60 and the lower auxiliary knife 61, the bending knife 10 has two degrees of freedom and can move along the direction of the mechanical arm, and meanwhile, axial rotation movement can be conducted in the direction perpendicular to the direction of the mechanical arm to offset resilience of the wire 80 and form a right angle.

Further, the forming device further comprises an upper cutter 70 and a lower cutter 71, the upper cutter 70 and the lower cutter 71 are oppositely arranged, and the upper cutter 70 and the lower cutter 71 are used for cutting the wire 80. The upper cutter 70 is fixed on the upper right mechanical arm through a clamp, the lower cutter 71 is fixed on the lower left mechanical arm through the clamp, and the upper cutter 70 and the lower cutter 71 are tightly attached when relatively moving to a cutting position, so that burrs can be reduced.

Referring to fig. 9-10, the present application further provides a method for forming a helical blade, which is suitable for any one of the above forming apparatuses, the method comprising the following steps:

s1: the driving wire moves along the axial direction from the through hole of the movement.

In this step, adopt the core conveying wire rod, can retrain and lead the straight to the wire rod, ensure that the wire rod straightness accuracy that moves out from core through-hole department is higher, the course of working is more accurate.

S2: the wire rod is conveyed to a preset position, the upper auxiliary knife and the lower auxiliary knife perform feeding action, the upper auxiliary knife and the lower auxiliary knife are driven to fix the wire rod, the bending knife is driven to bend the wire rod, and after a first preset time, the upper auxiliary knife and the lower auxiliary knife perform retracting action.

In this step, go up auxiliary knife and lower auxiliary knife and press from both sides the wire rod tightly in the center line position of core, the sword of being convenient for bends the wire rod.

S3: and the V-shaped rolling groove of the upper coil arranging cutter is driven to bend the wire, the wire is continuously sent out from the core, and the V-shaped first roller wheel continuously rotates to process the wire to form an arc-shaped wire.

In the step, the upper row of ring cutters are used for bending the first section, so that the wire is curled into a larger R angle, and the machine core continuously conveys the wire, so that the bending is continuously carried out.

S4: and the V-shaped rolling groove for driving the lower row of ring cutters bends the arc-shaped wire rod processed by the upper row of ring cutters to form a helical blade.

In this step, the lower row of ring cutters is used for two-stage bending, so that the wire rod forms a helical blade.

S5: and after a second preset time, driving the upper cutter and the lower cutter to move relatively, and cutting off the helical blade formed after the wire rod is processed.

In this step, the one end that upper cutter and lower cutter are relative is equipped with the cutting edge, is mutually supported by upper cutter and lower cutter, cuts off the helical blade who forms, improves the efficiency of processing.

Further, after a second preset time, the upper cutter and the lower cutter are driven to move relatively, and the step of cutting off the helical blade formed after the wire rod is processed specifically comprises the following steps:

s51: the upper row of ring cutters and the lower row of ring cutters perform cutter withdrawing action to stop the transmission of the wire;

s52: driving the upper cutter and the lower cutter to move relatively, and cutting off the helical blade formed after the wire rod is processed;

s53: the cut helical blade moves to a conveyor for further processing.

In this step, in the second preset time, go up the circle sword and arrange the circle sword down and move back the sword, stop the conveying of wire rod for the course of working is carried out more steadily, goes up the product of cutter and lower cutter after cutting off and continuously transports through conveyer, and machining efficiency promotes.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (8)

1. A molding apparatus, comprising:

the bending knife is used for bending the wire;

the upper-row ring cutter comprises a first cutter handle and a first roller wheel, the first roller wheel is rotatably connected with one end of the first cutter handle, and the first cutter handle is provided with a first side surface;

lower circle sword of arranging, including second handle of a knife and second gyro wheel, the second gyro wheel with second handle of a knife one end is rotated and is connected, the second handle of a knife is equipped with the second side, lower circle sword set up in go up the bottom of circle sword, first gyro wheel with the second gyro wheel all is equipped with along the first recess of circumference formation, first recess is used for right the wire rod carries out helical machining, the axial of first gyro wheel with first side forms first angle of predetermineeing, the axial of second gyro wheel with the second side forms the second angle of predetermineeing.

2. The molding apparatus as defined in claim 1, wherein: the first groove is a V-shaped rolling groove.

3. The molding apparatus as defined in claim 1, wherein: still include core and fuselage, the core is equipped with the through-hole, the wire rod is in remove in the through-hole, the core is fixed in the fuselage.

4. The molding apparatus as defined in claim 3, wherein: the material of the movement is SKD 11.

5. The molding apparatus as defined in claim 1, wherein: the wire bending machine further comprises an upper auxiliary knife and a lower auxiliary knife, and the upper auxiliary knife and the lower auxiliary knife are used for fixing and assisting in bending the wire.

6. The molding apparatus as defined in claim 5, wherein: go up supplementary sword and include first blade and first cutting edge, first blade with first cutting edge forms the contained angle and is 135 degrees, supplementary sword includes second blade and second cutting edge down, the second blade with the second cutting edge forms the contained angle and is 135 degrees, first cutting edge with the second cutting edge is parallel to each other.

7. The molding apparatus as defined in claim 5, wherein: one end of the bending knife is provided with a second groove, the other end of the bending knife is used for being connected with the mechanical arm, and the second groove is used for avoiding the upper auxiliary knife and the lower auxiliary knife.

8. The molding apparatus as defined in claim 1, wherein: the wire cutting machine further comprises an upper cutter and a lower cutter, wherein the upper cutter and the lower cutter are arranged oppositely, and the upper cutter and the lower cutter are used for cutting off the wire.

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